diff options
Diffstat (limited to 'drivers/staging/easycap/easycap_main.c')
-rw-r--r-- | drivers/staging/easycap/easycap_main.c | 7508 |
1 files changed, 3494 insertions, 4014 deletions
diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c index acc1f56e6f29..cee3252ea2d9 100644 --- a/drivers/staging/easycap/easycap_main.c +++ b/drivers/staging/easycap/easycap_main.c @@ -29,47 +29,86 @@ /*****************************************************************************/ #include "easycap.h" -#include "easycap_standard.h" -#include "easycap_ioctl.h" +#include <linux/usb/audio.h> -static int easycap_debug; -static int easycap_bars; -int easycap_gain = 16; + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("R.M. Thomas <rmthomas@sciolus.org>"); +MODULE_DESCRIPTION(EASYCAP_DRIVER_DESCRIPTION); +MODULE_VERSION(EASYCAP_DRIVER_VERSION); + +#ifdef CONFIG_EASYCAP_DEBUG +int easycap_debug; module_param_named(debug, easycap_debug, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug level: 0(default),1,2,...,9"); +#endif /* CONFIG_EASYCAP_DEBUG */ + +bool easycap_readback; +module_param_named(readback, easycap_readback, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(readback, "read back written registers: (default false)"); + +static int easycap_bars = 1; module_param_named(bars, easycap_bars, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(bars, + "Testcard bars on input signal failure: 0=>no, 1=>yes(default)"); + +static int easycap_gain = 16; module_param_named(gain, easycap_gain, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(gain, "Audio gain: 0,...,16(default),...31"); -/*---------------------------------------------------------------------------*/ -/* - * dongle_this IS INDISPENSIBLY static BECAUSE FUNCTION easycap_usb_probe() - * IS CALLED SUCCESSIVELY FOR INTERFACES 0, 1, 2 AND THE POINTER peasycap - * ALLOCATED DURING THE PROBING OF INTERFACE 0 MUST BE REMEMBERED WHEN - * PROBING INTERFACES 1 AND 2. - * - * IOCTL LOCKING IS DONE AT MODULE LEVEL, NOT DEVICE LEVEL. -*/ -/*---------------------------------------------------------------------------*/ +static bool easycap_ntsc; +module_param_named(ntsc, easycap_ntsc, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(ntsc, "NTCS default encoding (default PAL)"); -struct easycap_dongle easycap_dongle[DONGLE_MANY]; -static int dongle_this; -static int dongle_done; -/*---------------------------------------------------------------------------*/ -/* - * PARAMETERS APPLICABLE TO ENTIRE DRIVER, I.E. BOTH VIDEO AND AUDIO - */ -/*---------------------------------------------------------------------------*/ -struct usb_device_id easycap_usb_device_id_table[] = { -{ USB_DEVICE(USB_EASYCAP_VENDOR_ID, USB_EASYCAP_PRODUCT_ID) }, -{ } -}; -MODULE_DEVICE_TABLE(usb, easycap_usb_device_id_table); -struct usb_driver easycap_usb_driver = { -.name = "easycap", -.id_table = easycap_usb_device_id_table, -.probe = easycap_usb_probe, -.disconnect = easycap_usb_disconnect, -}; + +struct easycap_dongle easycapdc60_dongle[DONGLE_MANY]; +static struct mutex mutex_dongle; +static void easycap_complete(struct urb *purb); +static int reset(struct easycap *peasycap); + +const char *strerror(int err) +{ +#define ERRNOSTR(_e) case _e: return # _e + switch (err) { + case 0: return "OK"; + ERRNOSTR(ENOMEM); + ERRNOSTR(ENODEV); + ERRNOSTR(ENXIO); + ERRNOSTR(EINVAL); + ERRNOSTR(EAGAIN); + ERRNOSTR(EFBIG); + ERRNOSTR(EPIPE); + ERRNOSTR(EMSGSIZE); + ERRNOSTR(ENOSPC); + ERRNOSTR(EINPROGRESS); + ERRNOSTR(ENOSR); + ERRNOSTR(EOVERFLOW); + ERRNOSTR(EPROTO); + ERRNOSTR(EILSEQ); + ERRNOSTR(ETIMEDOUT); + ERRNOSTR(EOPNOTSUPP); + ERRNOSTR(EPFNOSUPPORT); + ERRNOSTR(EAFNOSUPPORT); + ERRNOSTR(EADDRINUSE); + ERRNOSTR(EADDRNOTAVAIL); + ERRNOSTR(ENOBUFS); + ERRNOSTR(EISCONN); + ERRNOSTR(ENOTCONN); + ERRNOSTR(ESHUTDOWN); + ERRNOSTR(ENOENT); + ERRNOSTR(ECONNRESET); + ERRNOSTR(ETIME); + ERRNOSTR(ECOMM); + ERRNOSTR(EREMOTEIO); + ERRNOSTR(EXDEV); + ERRNOSTR(EPERM); + default: return "unknown"; + } + +#undef ERRNOSTR +} + /*---------------------------------------------------------------------------*/ /* * PARAMETERS USED WHEN REGISTERING THE VIDEO INTERFACE @@ -79,171 +118,77 @@ struct usb_driver easycap_usb_driver = { * THIS IS THE CASE FOR OpenSUSE. */ /*---------------------------------------------------------------------------*/ -const struct file_operations easycap_fops = { - .owner = THIS_MODULE, - .open = easycap_open, - .release = easycap_release, -#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL) - .unlocked_ioctl = easycap_ioctl_noinode, -#else - .ioctl = easycap_ioctl, -#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/ - .poll = easycap_poll, - .mmap = easycap_mmap, - .llseek = no_llseek, -}; -struct vm_operations_struct easycap_vm_ops = { - .open = easycap_vma_open, - .close = easycap_vma_close, - .fault = easycap_vma_fault, -}; -struct usb_class_driver easycap_class = { - .name = "usb/easycap%d", - .fops = &easycap_fops, - .minor_base = USB_SKEL_MINOR_BASE, -}; -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) -#if defined(EASYCAP_NEEDS_V4L2_FOPS) -const struct v4l2_file_operations v4l2_fops = { - .owner = THIS_MODULE, - .open = easycap_open_noinode, - .release = easycap_release_noinode, -#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL) - .unlocked_ioctl = easycap_ioctl_noinode, -#else - .ioctl = easycap_ioctl, -#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/ - .poll = easycap_poll, - .mmap = easycap_mmap, -}; -#endif /*EASYCAP_NEEDS_V4L2_FOPS*/ -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ -/*--------------------------------------------------------------------------*/ -/* - * PARAMETERS USED WHEN REGISTERING THE AUDIO INTERFACE - */ -/*--------------------------------------------------------------------------*/ -const struct file_operations easysnd_fops = { - .owner = THIS_MODULE, - .open = easysnd_open, - .release = easysnd_release, -#if defined(EASYCAP_NEEDS_UNLOCKED_IOCTL) - .unlocked_ioctl = easysnd_ioctl_noinode, -#else - .ioctl = easysnd_ioctl, -#endif /*EASYCAP_NEEDS_UNLOCKED_IOCTL*/ - .read = easysnd_read, - .llseek = no_llseek, -}; -struct usb_class_driver easysnd_class = { -.name = "usb/easysnd%d", -.fops = &easysnd_fops, -.minor_base = USB_SKEL_MINOR_BASE, -}; /****************************************************************************/ /*---------------------------------------------------------------------------*/ /* * THIS ROUTINE DOES NOT DETECT DUPLICATE OCCURRENCES OF POINTER peasycap */ /*---------------------------------------------------------------------------*/ -int -isdongle(struct easycap *peasycap) +int isdongle(struct easycap *peasycap) { -int k; -if (NULL == peasycap) - return -2; -for (k = 0; k < DONGLE_MANY; k++) { - if (easycap_dongle[k].peasycap == peasycap) { - peasycap->isdongle = k; - return k; + int k; + if (!peasycap) + return -2; + for (k = 0; k < DONGLE_MANY; k++) { + if (easycapdc60_dongle[k].peasycap == peasycap) { + peasycap->isdongle = k; + return k; + } } + return -1; } -return -1; -} -/*****************************************************************************/ -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) -int -easycap_open_noinode(struct file *file) -{ -return easycap_open((struct inode *)NULL, file); -} -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ -int -easycap_open(struct inode *inode, struct file *file) +static int easycap_open(struct inode *inode, struct file *file) { -#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT)) -struct usb_interface *pusb_interface; -#else -struct video_device *pvideo_device; -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -struct easycap *peasycap; -int rc; + struct video_device *pvideo_device; + struct easycap *peasycap; + int rc; -JOT(4, "\n"); -SAY("==========OPEN=========\n"); + JOT(4, "\n"); + SAY("==========OPEN=========\n"); -peasycap = (struct easycap *)NULL; -/*---------------------------------------------------------------------------*/ -#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT)) -if ((struct inode *)NULL == inode) { - SAY("ERROR: inode is NULL.\n"); - return -EFAULT; -} -pusb_interface = usb_find_interface(&easycap_usb_driver, iminor(inode)); -if (!pusb_interface) { - SAY("ERROR: pusb_interface is NULL.\n"); - return -EFAULT; -} -peasycap = usb_get_intfdata(pusb_interface); -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#else -pvideo_device = video_devdata(file); -if ((struct video_device *)NULL == pvideo_device) { - SAY("ERROR: pvideo_device is NULL.\n"); - return -EFAULT; -} -peasycap = (struct easycap *)video_get_drvdata(pvideo_device); -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); - return -EFAULT; -} -if (NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; -} else { - JOM(16, "0x%08lX=peasycap->pusb_device\n", \ - (long int)peasycap->pusb_device); -} -file->private_data = peasycap; -rc = wakeup_device(peasycap->pusb_device); -if (0 == rc) - JOM(8, "wakeup_device() OK\n"); -else { - SAM("ERROR: wakeup_device() returned %i\n", rc); - if (-ENODEV == rc) - SAM("ERROR: wakeup_device() returned -ENODEV\n"); - else - SAM("ERROR: wakeup_device() returned %i\n", rc); - return rc; -} -peasycap->input = 0; -rc = reset(peasycap); -if (0 != rc) { - SAM("ERROR: reset() returned %i\n", rc); - return -EFAULT; -} -return 0; + pvideo_device = video_devdata(file); + if (!pvideo_device) { + SAY("ERROR: pvideo_device is NULL.\n"); + return -EFAULT; + } + peasycap = (struct easycap *)video_get_drvdata(pvideo_device); + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return -EFAULT; + } + if (!peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + return -EFAULT; + } else { + JOM(16, "peasycap->pusb_device=%p\n", peasycap->pusb_device); + } + file->private_data = peasycap; + rc = wakeup_device(peasycap->pusb_device); + if (0 == rc) + JOM(8, "wakeup_device() OK\n"); + else { + SAM("ERROR: wakeup_device() rc = %i\n", rc); + if (-ENODEV == rc) + SAM("ERROR: wakeup_device() returned -ENODEV\n"); + else + SAM("ERROR: wakeup_device() rc = %i\n", rc); + return rc; + } + peasycap->input = 0; + rc = reset(peasycap); + if (rc) { + SAM("ERROR: reset() rc = %i\n", rc); + return -EFAULT; + } + return 0; } + /*****************************************************************************/ /*---------------------------------------------------------------------------*/ /* @@ -253,18 +198,18 @@ return 0; * A BAD VIDEO FRAME SIZE. */ /*---------------------------------------------------------------------------*/ -int -reset(struct easycap *peasycap) +static int reset(struct easycap *peasycap) { -struct easycap_standard const *peasycap_standard; -int i, rc, input, rate; -bool ntsc, other; + struct easycap_standard const *peasycap_standard; + int i, rc, input, rate; + bool ntsc, other; + int fmtidx; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -input = peasycap->input; + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + input = peasycap->input; /*---------------------------------------------------------------------------*/ /* @@ -277,74 +222,70 @@ input = peasycap->input; * COMPLETE, SO SHOULD NOT BE INVOKED WITHOUT GOOD REASON. */ /*---------------------------------------------------------------------------*/ -other = false; -if (true == peasycap->ntsc) - JOM(8, "true=peasycap->ntsc\n"); -else - JOM(8, "false=peasycap->ntsc\n"); -rate = ready_saa(peasycap->pusb_device); -if (0 > rate) { - JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); - if (true == peasycap->ntsc) { - JOM(8, "... trying PAL ...\n"); ntsc = false; - } else { - JOM(8, "... trying NTSC ...\n"); ntsc = true; -} -rc = setup_stk(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_stk() OK\n"); -else { - SAM("ERROR: setup_stk() returned %i\n", rc); - return -EFAULT; -} -rc = setup_saa(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_saa() OK\n"); -else { - SAM("ERROR: setup_saa() returned %i\n", rc); - return -EFAULT; -} -rate = ready_saa(peasycap->pusb_device); -if (0 > rate) { - JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); - JOM(8, "... saa register 0x1F has 0x%02X\n", \ - read_saa(peasycap->pusb_device, 0x1F)); - ntsc = peasycap->ntsc; + other = false; + JOM(8, "peasycap->ntsc=%d\n", peasycap->ntsc); + + rate = ready_saa(peasycap->pusb_device); + if (0 > rate) { + JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); + if (peasycap->ntsc) { + JOM(8, "... trying PAL ...\n"); ntsc = false; + } else { + JOM(8, "... trying NTSC ...\n"); ntsc = true; + } + rc = setup_stk(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_stk() OK\n"); + else { + SAM("ERROR: setup_stk() rc = %i\n", rc); + return -EFAULT; + } + rc = setup_saa(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_saa() OK\n"); + else { + SAM("ERROR: setup_saa() rc = %i\n", rc); + return -EFAULT; + } + rate = ready_saa(peasycap->pusb_device); + if (0 > rate) { + JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); + JOM(8, "... saa register 0x1F has 0x%02X\n", + read_saa(peasycap->pusb_device, 0x1F)); + ntsc = peasycap->ntsc; + } else { + JOM(8, "... success at second try: %i=rate\n", rate); + ntsc = (0 < (rate/2)) ? true : false ; + other = true; + } } else { - JOM(8, "... success at second try: %i=rate\n", rate); - ntsc = (0 < (rate/2)) ? true : false ; - other = true; + JOM(8, "... success at first try: %i=rate\n", rate); + ntsc = (0 < rate/2) ? true : false ; } -} else { - JOM(8, "... success at first try: %i=rate\n", rate); - ntsc = (0 < rate/2) ? true : false ; -} -if (true == ntsc) - JOM(8, "true=ntsc\n"); -else - JOM(8, "false=ntsc\n"); -/*---------------------------------------------------------------------------*/ - -rc = setup_stk(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_stk() OK\n"); -else { - SAM("ERROR: setup_stk() returned %i\n", rc); - return -EFAULT; -} -rc = setup_saa(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_saa() OK\n"); -else { - SAM("ERROR: setup_saa() returned %i\n", rc); - return -EFAULT; -} + JOM(8, "ntsc=%d\n", ntsc); +/*---------------------------------------------------------------------------*/ + + rc = setup_stk(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_stk() OK\n"); + else { + SAM("ERROR: setup_stk() rc = %i\n", rc); + return -EFAULT; + } + rc = setup_saa(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_saa() OK\n"); + else { + SAM("ERROR: setup_saa() rc = %i\n", rc); + return -EFAULT; + } + + for (i = 0; i < 180; i++) + peasycap->merit[i] = 0; -for (i = 0; i < 180; i++) - peasycap->merit[i] = 0; -peasycap->video_eof = 0; -peasycap->audio_eof = 0; -do_gettimeofday(&peasycap->timeval7); + peasycap->video_eof = 0; + peasycap->audio_eof = 0; + do_gettimeofday(&peasycap->timeval7); /*---------------------------------------------------------------------------*/ /* * RESTORE INPUT AND FORCE REFRESH OF STANDARD, FORMAT, ETC. @@ -352,87 +293,75 @@ do_gettimeofday(&peasycap->timeval7); * WHILE THIS PROCEDURE IS IN PROGRESS, SOME IOCTL COMMANDS WILL RETURN -EBUSY. */ /*---------------------------------------------------------------------------*/ -peasycap->input = -8192; -peasycap->standard_offset = -8192; -if (true == other) { - peasycap_standard = &easycap_standard[0]; - while (0xFFFF != peasycap_standard->mask) { - if (true == ntsc) { - if (NTSC_M == \ - peasycap_standard->v4l2_standard.index) { - peasycap->inputset[input].standard_offset = \ - peasycap_standard - \ - &easycap_standard[0]; - break; - } - } else { - if (PAL_BGHIN == \ - peasycap_standard->v4l2_standard.index) { - peasycap->inputset[input].standard_offset = \ - peasycap_standard - - &easycap_standard[0]; + peasycap->input = -8192; + peasycap->standard_offset = -8192; + fmtidx = ntsc ? NTSC_M : PAL_BGHIN; + if (other) { + peasycap_standard = &easycap_standard[0]; + while (0xFFFF != peasycap_standard->mask) { + if (fmtidx == peasycap_standard->v4l2_standard.index) { + peasycap->inputset[input].standard_offset = + peasycap_standard - easycap_standard; break; } + peasycap_standard++; } - peasycap_standard++; - } - if (0xFFFF == peasycap_standard->mask) { - SAM("ERROR: standard not found\n"); - return -EINVAL; + if (0xFFFF == peasycap_standard->mask) { + SAM("ERROR: standard not found\n"); + return -EINVAL; + } + JOM(8, "%i=peasycap->inputset[%i].standard_offset\n", + peasycap->inputset[input].standard_offset, input); } -JOM(8, "%i=peasycap->inputset[%i].standard_offset\n", \ - peasycap->inputset[input].standard_offset, input); -} -peasycap->format_offset = -8192; -peasycap->brightness = -8192; -peasycap->contrast = -8192; -peasycap->saturation = -8192; -peasycap->hue = -8192; + peasycap->format_offset = -8192; + peasycap->brightness = -8192; + peasycap->contrast = -8192; + peasycap->saturation = -8192; + peasycap->hue = -8192; -rc = newinput(peasycap, input); + rc = newinput(peasycap, input); -if (0 == rc) + if (rc) { + SAM("ERROR: newinput(.,%i) rc = %i\n", rc, input); + return -EFAULT; + } JOM(4, "restored input, standard and format\n"); -else { - SAM("ERROR: newinput(.,%i) returned %i\n", rc, input); - return -EFAULT; -} -if (true == peasycap->ntsc) - JOM(8, "true=peasycap->ntsc\n"); -else - JOM(8, "false=peasycap->ntsc\n"); - -if (0 > peasycap->input) { - SAM("MISTAKE: %i=peasycap->input\n", peasycap->input); - return -ENOENT; -} -if (0 > peasycap->standard_offset) { - SAM("MISTAKE: %i=peasycap->standard_offset\n", \ - peasycap->standard_offset); - return -ENOENT; -} -if (0 > peasycap->format_offset) { - SAM("MISTAKE: %i=peasycap->format_offset\n", \ - peasycap->format_offset); - return -ENOENT; -} -if (0 > peasycap->brightness) { - SAM("MISTAKE: %i=peasycap->brightness\n", peasycap->brightness); - return -ENOENT; -} -if (0 > peasycap->contrast) { - SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast); - return -ENOENT; -} -if (0 > peasycap->saturation) { - SAM("MISTAKE: %i=peasycap->saturation\n", peasycap->saturation); - return -ENOENT; -} -if (0 > peasycap->hue) { - SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue); - return -ENOENT; -} -return 0; + + JOM(8, "true=peasycap->ntsc %d\n", peasycap->ntsc); + + if (0 > peasycap->input) { + SAM("MISTAKE: %i=peasycap->input\n", peasycap->input); + return -ENOENT; + } + if (0 > peasycap->standard_offset) { + SAM("MISTAKE: %i=peasycap->standard_offset\n", + peasycap->standard_offset); + return -ENOENT; + } + if (0 > peasycap->format_offset) { + SAM("MISTAKE: %i=peasycap->format_offset\n", + peasycap->format_offset); + return -ENOENT; + } + if (0 > peasycap->brightness) { + SAM("MISTAKE: %i=peasycap->brightness\n", + peasycap->brightness); + return -ENOENT; + } + if (0 > peasycap->contrast) { + SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast); + return -ENOENT; + } + if (0 > peasycap->saturation) { + SAM("MISTAKE: %i=peasycap->saturation\n", + peasycap->saturation); + return -ENOENT; + } + if (0 > peasycap->hue) { + SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue); + return -ENOENT; + } + return 0; } /*****************************************************************************/ /*---------------------------------------------------------------------------*/ @@ -454,21 +383,21 @@ return 0; int newinput(struct easycap *peasycap, int input) { -int rc, k, m, mood, off; -int inputnow, video_idlenow, audio_idlenow; -bool resubmit; + int rc, k, m, mood, off; + int inputnow, video_idlenow, audio_idlenow; + bool resubmit; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -JOM(8, "%i=input sought\n", input); + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + JOM(8, "%i=input sought\n", input); -if (0 > input && INPUT_MANY <= input) - return -ENOENT; -inputnow = peasycap->input; -if (input == inputnow) - return 0; + if (0 > input && INPUT_MANY <= input) + return -ENOENT; + inputnow = peasycap->input; + if (input == inputnow) + return 0; /*---------------------------------------------------------------------------*/ /* * IF STREAMING IS IN PROGRESS THE URBS ARE KILLED AT THIS @@ -477,414 +406,317 @@ if (input == inputnow) * ROUTINE. */ /*---------------------------------------------------------------------------*/ -video_idlenow = peasycap->video_idle; -audio_idlenow = peasycap->audio_idle; + video_idlenow = peasycap->video_idle; + audio_idlenow = peasycap->audio_idle; -peasycap->video_idle = 1; -peasycap->audio_idle = 1; -if (peasycap->video_isoc_streaming) { - resubmit = true; - kill_video_urbs(peasycap); -} else - resubmit = false; -/*---------------------------------------------------------------------------*/ -if (NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -ENODEV; -} -rc = usb_set_interface(peasycap->pusb_device, - peasycap->video_interface, \ - peasycap->video_altsetting_off); -if (0 != rc) { - SAM("ERROR: usb_set_interface() returned %i\n", rc); - return -EFAULT; -} -rc = stop_100(peasycap->pusb_device); -if (0 != rc) { - SAM("ERROR: stop_100() returned %i\n", rc); - return -EFAULT; -} -for (k = 0; k < FIELD_BUFFER_MANY; k++) { - for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) - memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE); -} -for (k = 0; k < FRAME_BUFFER_MANY; k++) { - for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) - memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE); -} -peasycap->field_page = 0; -peasycap->field_read = 0; -peasycap->field_fill = 0; - -peasycap->frame_read = 0; -peasycap->frame_fill = 0; -for (k = 0; k < peasycap->input; k++) { - (peasycap->frame_fill)++; - if (peasycap->frame_buffer_many <= peasycap->frame_fill) - peasycap->frame_fill = 0; -} -peasycap->input = input; -select_input(peasycap->pusb_device, peasycap->input, 9); + peasycap->video_idle = 1; + peasycap->audio_idle = 1; + if (peasycap->video_isoc_streaming) { + resubmit = true; + kill_video_urbs(peasycap); + } else { + resubmit = false; + } /*---------------------------------------------------------------------------*/ -if (input == peasycap->inputset[input].input) { - off = peasycap->inputset[input].standard_offset; - if (off != peasycap->standard_offset) { - rc = adjust_standard(peasycap, \ + if (!peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + return -ENODEV; + } + rc = usb_set_interface(peasycap->pusb_device, + peasycap->video_interface, + peasycap->video_altsetting_off); + if (rc) { + SAM("ERROR: usb_set_interface() rc = %i\n", rc); + return -EFAULT; + } + rc = stop_100(peasycap->pusb_device); + if (rc) { + SAM("ERROR: stop_100() rc = %i\n", rc); + return -EFAULT; + } + for (k = 0; k < FIELD_BUFFER_MANY; k++) { + for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) + memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE); + } + for (k = 0; k < FRAME_BUFFER_MANY; k++) { + for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) + memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE); + } + peasycap->field_page = 0; + peasycap->field_read = 0; + peasycap->field_fill = 0; + + peasycap->frame_read = 0; + peasycap->frame_fill = 0; + for (k = 0; k < peasycap->input; k++) { + (peasycap->frame_fill)++; + if (peasycap->frame_buffer_many <= peasycap->frame_fill) + peasycap->frame_fill = 0; + } + peasycap->input = input; + select_input(peasycap->pusb_device, peasycap->input, 9); +/*---------------------------------------------------------------------------*/ + if (input == peasycap->inputset[input].input) { + off = peasycap->inputset[input].standard_offset; + if (off != peasycap->standard_offset) { + rc = adjust_standard(peasycap, easycap_standard[off].v4l2_standard.id); - if (0 != rc) { - SAM("ERROR: adjust_standard() returned %i\n", rc); - return -EFAULT; - } - JOM(8, "%i=peasycap->standard_offset\n", \ - peasycap->standard_offset); - } else { - JOM(8, "%i=peasycap->standard_offset unchanged\n", \ + if (rc) { + SAM("ERROR: adjust_standard() rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->standard_offset\n", + peasycap->standard_offset); + } else { + JOM(8, "%i=peasycap->standard_offset unchanged\n", peasycap->standard_offset); - } - off = peasycap->inputset[input].format_offset; - if (off != peasycap->format_offset) { - rc = adjust_format(peasycap, \ - easycap_format[off].v4l2_format.fmt.pix.width, \ - easycap_format[off].v4l2_format.fmt.pix.height, \ - easycap_format[off].v4l2_format.fmt.pix.pixelformat, \ - easycap_format[off].v4l2_format.fmt.pix.field, false); - if (0 > rc) { - SAM("ERROR: adjust_format() returned %i\n", rc); - return -EFAULT; } - JOM(8, "%i=peasycap->format_offset\n", peasycap->format_offset); - } else { - JOM(8, "%i=peasycap->format_offset unchanged\n", \ - peasycap->format_offset); - } - mood = peasycap->inputset[input].brightness; - if (mood != peasycap->brightness) { - rc = adjust_brightness(peasycap, mood); - if (0 != rc) { - SAM("ERROR: adjust_brightness returned %i\n", rc); - return -EFAULT; + off = peasycap->inputset[input].format_offset; + if (off != peasycap->format_offset) { + struct v4l2_pix_format *pix = + &easycap_format[off].v4l2_format.fmt.pix; + rc = adjust_format(peasycap, + pix->width, pix->height, + pix->pixelformat, pix->field, false); + if (0 > rc) { + SAM("ERROR: adjust_format() rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->format_offset\n", + peasycap->format_offset); + } else { + JOM(8, "%i=peasycap->format_offset unchanged\n", + peasycap->format_offset); } - JOM(8, "%i=peasycap->brightness\n", peasycap->brightness); - } - mood = peasycap->inputset[input].contrast; - if (mood != peasycap->contrast) { - rc = adjust_contrast(peasycap, mood); - if (0 != rc) { - SAM("ERROR: adjust_contrast returned %i\n", rc); - return -EFAULT; + mood = peasycap->inputset[input].brightness; + if (mood != peasycap->brightness) { + rc = adjust_brightness(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_brightness rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->brightness\n", + peasycap->brightness); } - JOM(8, "%i=peasycap->contrast\n", peasycap->contrast); - } - mood = peasycap->inputset[input].saturation; - if (mood != peasycap->saturation) { - rc = adjust_saturation(peasycap, mood); - if (0 != rc) { - SAM("ERROR: adjust_saturation returned %i\n", rc); - return -EFAULT; + mood = peasycap->inputset[input].contrast; + if (mood != peasycap->contrast) { + rc = adjust_contrast(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_contrast rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->contrast\n", peasycap->contrast); } - JOM(8, "%i=peasycap->saturation\n", peasycap->saturation); - } - mood = peasycap->inputset[input].hue; - if (mood != peasycap->hue) { - rc = adjust_hue(peasycap, mood); - if (0 != rc) { - SAM("ERROR: adjust_hue returned %i\n", rc); - return -EFAULT; + mood = peasycap->inputset[input].saturation; + if (mood != peasycap->saturation) { + rc = adjust_saturation(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_saturation rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->saturation\n", + peasycap->saturation); } - JOM(8, "%i=peasycap->hue\n", peasycap->hue); + mood = peasycap->inputset[input].hue; + if (mood != peasycap->hue) { + rc = adjust_hue(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_hue rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->hue\n", peasycap->hue); + } + } else { + SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input); + return -ENOENT; } -} else { - SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input); - return -ENOENT; -} /*---------------------------------------------------------------------------*/ -if (NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -ENODEV; -} -rc = usb_set_interface(peasycap->pusb_device, - peasycap->video_interface, \ - peasycap->video_altsetting_on); -if (0 != rc) { - SAM("ERROR: usb_set_interface() returned %i\n", rc); - return -EFAULT; -} -rc = start_100(peasycap->pusb_device); -if (0 != rc) { - SAM("ERROR: start_100() returned %i\n", rc); - return -EFAULT; -} -if (true == resubmit) - submit_video_urbs(peasycap); + if (!peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + return -ENODEV; + } + rc = usb_set_interface(peasycap->pusb_device, + peasycap->video_interface, + peasycap->video_altsetting_on); + if (rc) { + SAM("ERROR: usb_set_interface() rc = %i\n", rc); + return -EFAULT; + } + rc = start_100(peasycap->pusb_device); + if (rc) { + SAM("ERROR: start_100() rc = %i\n", rc); + return -EFAULT; + } + if (resubmit) + submit_video_urbs(peasycap); -peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1; -peasycap->video_idle = video_idlenow; -peasycap->audio_idle = audio_idlenow; -peasycap->video_junk = 0; + peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1; + peasycap->video_idle = video_idlenow; + peasycap->audio_idle = audio_idlenow; + peasycap->video_junk = 0; -return 0; + return 0; } /*****************************************************************************/ -int -submit_video_urbs(struct easycap *peasycap) +int submit_video_urbs(struct easycap *peasycap) { -struct data_urb *pdata_urb; -struct urb *purb; -struct list_head *plist_head; -int j, isbad, nospc, m, rc; -int isbuf; - -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} + struct data_urb *pdata_urb; + struct urb *purb; + struct list_head *plist_head; + int j, isbad, nospc, m, rc; + int isbuf; -if (NULL == peasycap->purb_video_head) { - SAY("ERROR: peasycap->urb_video_head uninitialized\n"); - return -EFAULT; -} -if (NULL == peasycap->pusb_device) { - SAY("ERROR: peasycap->pusb_device is NULL\n"); - return -ENODEV; -} -if (!peasycap->video_isoc_streaming) { - JOM(4, "submission of all video urbs\n"); - isbad = 0; nospc = 0; m = 0; - list_for_each(plist_head, (peasycap->purb_video_head)) { - pdata_urb = list_entry(plist_head, struct data_urb, list_head); - if (NULL != pdata_urb) { - purb = pdata_urb->purb; - if (NULL != purb) { + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + + if (!peasycap->purb_video_head) { + SAY("ERROR: peasycap->urb_video_head uninitialized\n"); + return -EFAULT; + } + if (!peasycap->pusb_device) { + SAY("ERROR: peasycap->pusb_device is NULL\n"); + return -ENODEV; + } + if (!peasycap->video_isoc_streaming) { + JOM(4, "submission of all video urbs\n"); + isbad = 0; nospc = 0; m = 0; + list_for_each(plist_head, (peasycap->purb_video_head)) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb && pdata_urb->purb) { + purb = pdata_urb->purb; isbuf = pdata_urb->isbuf; purb->interval = 1; purb->dev = peasycap->pusb_device; - purb->pipe = \ - usb_rcvisocpipe(peasycap->pusb_device,\ + purb->pipe = + usb_rcvisocpipe(peasycap->pusb_device, peasycap->video_endpointnumber); purb->transfer_flags = URB_ISO_ASAP; - purb->transfer_buffer = \ + purb->transfer_buffer = peasycap->video_isoc_buffer[isbuf].pgo; - purb->transfer_buffer_length = \ + purb->transfer_buffer_length = peasycap->video_isoc_buffer_size; purb->complete = easycap_complete; purb->context = peasycap; purb->start_frame = 0; - purb->number_of_packets = \ + purb->number_of_packets = peasycap->video_isoc_framesperdesc; - for (j = 0; j < peasycap->\ - video_isoc_framesperdesc; j++) { - purb->iso_frame_desc[j].\ - offset = j * \ - peasycap->\ - video_isoc_maxframesize; - purb->iso_frame_desc[j].\ - length = peasycap->\ - video_isoc_maxframesize; - } + for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) { + purb->iso_frame_desc[j]. offset = + j * peasycap->video_isoc_maxframesize; + purb->iso_frame_desc[j]. length = + peasycap->video_isoc_maxframesize; + } rc = usb_submit_urb(purb, GFP_KERNEL); - if (0 != rc) { + if (rc) { isbad++; - SAM("ERROR: usb_submit_urb() failed " \ - "for urb with rc:\n"); - switch (rc) { - case -ENOMEM: { - SAM("ERROR: -ENOMEM=" \ - "usb_submit_urb()\n"); - break; - } - case -ENODEV: { - SAM("ERROR: -ENODEV=" \ - "usb_submit_urb()\n"); - break; - } - case -ENXIO: { - SAM("ERROR: -ENXIO=" \ - "usb_submit_urb()\n"); - break; - } - case -EINVAL: { - SAM("ERROR: -EINVAL=" \ - "usb_submit_urb()\n"); - break; - } - case -EAGAIN: { - SAM("ERROR: -EAGAIN=" \ - "usb_submit_urb()\n"); - break; - } - case -EFBIG: { - SAM("ERROR: -EFBIG=" \ - "usb_submit_urb()\n"); - break; - } - case -EPIPE: { - SAM("ERROR: -EPIPE=" \ - "usb_submit_urb()\n"); - break; - } - case -EMSGSIZE: { - SAM("ERROR: -EMSGSIZE=" \ - "usb_submit_urb()\n"); - break; - } - case -ENOSPC: { + SAM("ERROR: usb_submit_urb() failed " + "for urb with rc:-%s\n", + strerror(rc)); + if (rc == -ENOSPC) nospc++; - break; - } - default: { - SAM("ERROR: %i=" \ - "usb_submit_urb()\n",\ - rc); - break; - } - } } else { m++; } - } else { - isbad++; - } } else { - isbad++; + isbad++; } } - if (nospc) { - SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc); - SAM("..... possibly inadequate USB bandwidth\n"); - peasycap->video_eof = 1; - } + if (nospc) { + SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc); + SAM("..... possibly inadequate USB bandwidth\n"); + peasycap->video_eof = 1; + } - if (isbad) { - JOM(4, "attempting cleanup instead of submitting\n"); - list_for_each(plist_head, (peasycap->purb_video_head)) { - pdata_urb = list_entry(plist_head, struct data_urb, \ - list_head); - if (NULL != pdata_urb) { - purb = pdata_urb->purb; - if (NULL != purb) - usb_kill_urb(purb); + if (isbad) { + JOM(4, "attempting cleanup instead of submitting\n"); + list_for_each(plist_head, (peasycap->purb_video_head)) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb) { + purb = pdata_urb->purb; + if (purb) + usb_kill_urb(purb); + } } + peasycap->video_isoc_streaming = 0; + } else { + peasycap->video_isoc_streaming = 1; + JOM(4, "submitted %i video urbs\n", m); } - peasycap->video_isoc_streaming = 0; } else { - peasycap->video_isoc_streaming = 1; - JOM(4, "submitted %i video urbs\n", m); + JOM(4, "already streaming video urbs\n"); } -} else { - JOM(4, "already streaming video urbs\n"); -} -return 0; + return 0; } /*****************************************************************************/ -int -kill_video_urbs(struct easycap *peasycap) +int kill_video_urbs(struct easycap *peasycap) { -int m; -struct list_head *plist_head; -struct data_urb *pdata_urb; + int m; + struct list_head *plist_head; + struct data_urb *pdata_urb; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -if (peasycap->video_isoc_streaming) { - if ((struct list_head *)NULL != peasycap->purb_video_head) { - peasycap->video_isoc_streaming = 0; - JOM(4, "killing video urbs\n"); - m = 0; - list_for_each(plist_head, (peasycap->purb_video_head)) { - pdata_urb = list_entry(plist_head, struct data_urb, \ - list_head); - if (NULL != pdata_urb) { - if (NULL != pdata_urb->purb) { - usb_kill_urb(pdata_urb->purb); - m++; - } - } - } - JOM(4, "%i video urbs killed\n", m); - } else { + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + if (!peasycap->video_isoc_streaming) { + JOM(8, "%i=video_isoc_streaming, no video urbs killed\n", + peasycap->video_isoc_streaming); + return 0; + } + if (!peasycap->purb_video_head) { SAM("ERROR: peasycap->purb_video_head is NULL\n"); return -EFAULT; } -} else { - JOM(8, "%i=video_isoc_streaming, no video urbs killed\n", \ - peasycap->video_isoc_streaming); -} -return 0; + + peasycap->video_isoc_streaming = 0; + JOM(4, "killing video urbs\n"); + m = 0; + list_for_each(plist_head, (peasycap->purb_video_head)) { + pdata_urb = list_entry(plist_head, struct data_urb, list_head); + if (pdata_urb && pdata_urb->purb) { + usb_kill_urb(pdata_urb->purb); + m++; + } + } + JOM(4, "%i video urbs killed\n", m); + + return 0; } /****************************************************************************/ -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) -int -easycap_release_noinode(struct file *file) -{ -return easycap_release((struct inode *)NULL, file); -} -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ /*--------------------------------------------------------------------------*/ -int -easycap_release(struct inode *inode, struct file *file) +static int easycap_open_noinode(struct file *file) { -#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT)) -struct easycap *peasycap; - -JOT(4, "\n"); - -peasycap = file->private_data; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL.\n"); - SAY("ending unsuccessfully\n"); - return -EFAULT; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); - return -EFAULT; -} -if (0 != kill_video_urbs(peasycap)) { - SAM("ERROR: kill_video_urbs() failed\n"); - return -EFAULT; + return easycap_open(NULL, file); } -JOM(4, "ending successfully\n"); -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#else -# -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -return 0; -} -/****************************************************************************/ -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) -int -videodev_release(struct video_device *pvideo_device) +static int videodev_release(struct video_device *pvideo_device) { -struct easycap *peasycap; + struct easycap *peasycap; -JOT(4, "\n"); - -peasycap = video_get_drvdata(pvideo_device); -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - SAY("ending unsuccessfully\n"); - return -EFAULT; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); - return -EFAULT; -} -if (0 != kill_video_urbs(peasycap)) { - SAM("ERROR: kill_video_urbs() failed\n"); - return -EFAULT; -} -JOM(4, "ending successfully\n"); -return 0; + peasycap = video_get_drvdata(pvideo_device); + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + SAY("ending unsuccessfully\n"); + return -EFAULT; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return -EFAULT; + } + if (0 != kill_video_urbs(peasycap)) { + SAM("ERROR: kill_video_urbs() failed\n"); + return -EFAULT; + } + JOM(4, "ending successfully\n"); + return 0; } -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ /*****************************************************************************/ /*--------------------------------------------------------------------------*/ @@ -896,318 +728,331 @@ return 0; * peasycap->pusb_device IS NO LONGER VALID. */ /*---------------------------------------------------------------------------*/ -void -easycap_delete(struct kref *pkref) +static void easycap_delete(struct kref *pkref) { -int k, m, gone, kd; -int allocation_video_urb, allocation_video_page, allocation_video_struct; -int allocation_audio_urb, allocation_audio_page, allocation_audio_struct; -int registered_video, registered_audio; -struct easycap *peasycap; -struct data_urb *pdata_urb; -struct list_head *plist_head, *plist_next; - -JOT(4, "\n"); - -peasycap = container_of(pkref, struct easycap, kref); -if (NULL == peasycap) { - SAM("ERROR: peasycap is NULL: cannot perform deletions\n"); - return; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); - return; -} -kd = isdongle(peasycap); + struct easycap *peasycap; + struct data_urb *pdata_urb; + struct list_head *plist_head, *plist_next; + int k, m, gone, kd; + int allocation_video_urb; + int allocation_video_page; + int allocation_video_struct; + int allocation_audio_urb; + int allocation_audio_page; + int allocation_audio_struct; + int registered_video, registered_audio; + + peasycap = container_of(pkref, struct easycap, kref); + if (!peasycap) { + SAM("ERROR: peasycap is NULL: cannot perform deletions\n"); + return; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return; + } + kd = isdongle(peasycap); /*---------------------------------------------------------------------------*/ /* * FREE VIDEO. */ /*---------------------------------------------------------------------------*/ -if ((struct list_head *)NULL != peasycap->purb_video_head) { - JOM(4, "freeing video urbs\n"); - m = 0; - list_for_each(plist_head, (peasycap->purb_video_head)) { - pdata_urb = list_entry(plist_head, struct data_urb, list_head); - if (NULL == pdata_urb) - JOM(4, "ERROR: pdata_urb is NULL\n"); - else { - if ((struct urb *)NULL != pdata_urb->purb) { - usb_free_urb(pdata_urb->purb); - pdata_urb->purb = (struct urb *)NULL; - peasycap->allocation_video_urb -= 1; + if (peasycap->purb_video_head) { + JOM(4, "freeing video urbs\n"); + m = 0; + list_for_each(plist_head, (peasycap->purb_video_head)) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (!pdata_urb) { + JOM(4, "ERROR: pdata_urb is NULL\n"); + } else { + if (pdata_urb->purb) { + usb_free_urb(pdata_urb->purb); + pdata_urb->purb = NULL; + peasycap->allocation_video_urb -= 1; + m++; + } + } + } + + JOM(4, "%i video urbs freed\n", m); +/*---------------------------------------------------------------------------*/ + JOM(4, "freeing video data_urb structures.\n"); + m = 0; + list_for_each_safe(plist_head, plist_next, + peasycap->purb_video_head) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb) { + peasycap->allocation_video_struct -= + sizeof(struct data_urb); + kfree(pdata_urb); + pdata_urb = NULL; m++; } } + JOM(4, "%i video data_urb structures freed\n", m); + JOM(4, "setting peasycap->purb_video_head=NULL\n"); + peasycap->purb_video_head = NULL; } - - JOM(4, "%i video urbs freed\n", m); /*---------------------------------------------------------------------------*/ - JOM(4, "freeing video data_urb structures.\n"); + JOM(4, "freeing video isoc buffers.\n"); m = 0; - list_for_each_safe(plist_head, plist_next, peasycap->purb_video_head) { - pdata_urb = list_entry(plist_head, struct data_urb, list_head); - if ((struct data_urb *)NULL != pdata_urb) { - kfree(pdata_urb); pdata_urb = (struct data_urb *)NULL; - peasycap->allocation_video_struct -= \ - sizeof(struct data_urb); + for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { + if (peasycap->video_isoc_buffer[k].pgo) { + free_pages((unsigned long) + peasycap->video_isoc_buffer[k].pgo, + VIDEO_ISOC_ORDER); + peasycap->video_isoc_buffer[k].pgo = NULL; + peasycap->allocation_video_page -= + BIT(VIDEO_ISOC_ORDER); m++; } } - JOM(4, "%i video data_urb structures freed\n", m); - JOM(4, "setting peasycap->purb_video_head=NULL\n"); - peasycap->purb_video_head = (struct list_head *)NULL; -} + JOM(4, "isoc video buffers freed: %i pages\n", + m * (0x01 << VIDEO_ISOC_ORDER)); /*---------------------------------------------------------------------------*/ -JOM(4, "freeing video isoc buffers.\n"); -m = 0; -for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { - if ((void *)NULL != peasycap->video_isoc_buffer[k].pgo) { - free_pages((unsigned long)\ - (peasycap->video_isoc_buffer[k].pgo), \ - VIDEO_ISOC_ORDER); - peasycap->video_isoc_buffer[k].pgo = (void *)NULL; - peasycap->allocation_video_page -= \ - ((unsigned int)(0x01 << VIDEO_ISOC_ORDER)); - m++; - } -} -JOM(4, "isoc video buffers freed: %i pages\n", m * (0x01 << VIDEO_ISOC_ORDER)); -/*---------------------------------------------------------------------------*/ -JOM(4, "freeing video field buffers.\n"); -gone = 0; -for (k = 0; k < FIELD_BUFFER_MANY; k++) { - for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) { - if ((void *)NULL != peasycap->field_buffer[k][m].pgo) { - free_page((unsigned long)\ - (peasycap->field_buffer[k][m].pgo)); - peasycap->field_buffer[k][m].pgo = (void *)NULL; - peasycap->allocation_video_page -= 1; - gone++; + JOM(4, "freeing video field buffers.\n"); + gone = 0; + for (k = 0; k < FIELD_BUFFER_MANY; k++) { + for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) { + if (peasycap->field_buffer[k][m].pgo) { + free_page((unsigned long) + peasycap->field_buffer[k][m].pgo); + peasycap->field_buffer[k][m].pgo = NULL; + peasycap->allocation_video_page -= 1; + gone++; + } } } -} -JOM(4, "video field buffers freed: %i pages\n", gone); -/*---------------------------------------------------------------------------*/ -JOM(4, "freeing video frame buffers.\n"); -gone = 0; -for (k = 0; k < FRAME_BUFFER_MANY; k++) { - for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) { - if ((void *)NULL != peasycap->frame_buffer[k][m].pgo) { - free_page((unsigned long)\ - (peasycap->frame_buffer[k][m].pgo)); - peasycap->frame_buffer[k][m].pgo = (void *)NULL; - peasycap->allocation_video_page -= 1; - gone++; + JOM(4, "video field buffers freed: %i pages\n", gone); +/*---------------------------------------------------------------------------*/ + JOM(4, "freeing video frame buffers.\n"); + gone = 0; + for (k = 0; k < FRAME_BUFFER_MANY; k++) { + for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) { + if (peasycap->frame_buffer[k][m].pgo) { + free_page((unsigned long) + peasycap->frame_buffer[k][m].pgo); + peasycap->frame_buffer[k][m].pgo = NULL; + peasycap->allocation_video_page -= 1; + gone++; + } } } -} -JOM(4, "video frame buffers freed: %i pages\n", gone); + JOM(4, "video frame buffers freed: %i pages\n", gone); /*---------------------------------------------------------------------------*/ /* * FREE AUDIO. */ /*---------------------------------------------------------------------------*/ -if ((struct list_head *)NULL != peasycap->purb_audio_head) { - JOM(4, "freeing audio urbs\n"); - m = 0; - list_for_each(plist_head, (peasycap->purb_audio_head)) { - pdata_urb = list_entry(plist_head, struct data_urb, list_head); - if (NULL == pdata_urb) - JOM(4, "ERROR: pdata_urb is NULL\n"); - else { - if ((struct urb *)NULL != pdata_urb->purb) { - usb_free_urb(pdata_urb->purb); - pdata_urb->purb = (struct urb *)NULL; - peasycap->allocation_audio_urb -= 1; + if (peasycap->purb_audio_head) { + JOM(4, "freeing audio urbs\n"); + m = 0; + list_for_each(plist_head, (peasycap->purb_audio_head)) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (!pdata_urb) + JOM(4, "ERROR: pdata_urb is NULL\n"); + else { + if (pdata_urb->purb) { + usb_free_urb(pdata_urb->purb); + pdata_urb->purb = NULL; + peasycap->allocation_audio_urb -= 1; + m++; + } + } + } + JOM(4, "%i audio urbs freed\n", m); +/*---------------------------------------------------------------------------*/ + JOM(4, "freeing audio data_urb structures.\n"); + m = 0; + list_for_each_safe(plist_head, plist_next, + peasycap->purb_audio_head) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb) { + peasycap->allocation_audio_struct -= + sizeof(struct data_urb); + kfree(pdata_urb); + pdata_urb = NULL; m++; } } + JOM(4, "%i audio data_urb structures freed\n", m); + JOM(4, "setting peasycap->purb_audio_head=NULL\n"); + peasycap->purb_audio_head = NULL; } - JOM(4, "%i audio urbs freed\n", m); /*---------------------------------------------------------------------------*/ - JOM(4, "freeing audio data_urb structures.\n"); + JOM(4, "freeing audio isoc buffers.\n"); m = 0; - list_for_each_safe(plist_head, plist_next, peasycap->purb_audio_head) { - pdata_urb = list_entry(plist_head, struct data_urb, list_head); - if ((struct data_urb *)NULL != pdata_urb) { - kfree(pdata_urb); pdata_urb = (struct data_urb *)NULL; - peasycap->allocation_audio_struct -= \ - sizeof(struct data_urb); + for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { + if (peasycap->audio_isoc_buffer[k].pgo) { + free_pages((unsigned long) + (peasycap->audio_isoc_buffer[k].pgo), + AUDIO_ISOC_ORDER); + peasycap->audio_isoc_buffer[k].pgo = NULL; + peasycap->allocation_audio_page -= + BIT(AUDIO_ISOC_ORDER); m++; } } -JOM(4, "%i audio data_urb structures freed\n", m); -JOM(4, "setting peasycap->purb_audio_head=NULL\n"); -peasycap->purb_audio_head = (struct list_head *)NULL; -} + JOM(4, "easyoss_delete(): isoc audio buffers freed: %i pages\n", + m * (0x01 << AUDIO_ISOC_ORDER)); /*---------------------------------------------------------------------------*/ -JOM(4, "freeing audio isoc buffers.\n"); -m = 0; -for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { - if ((void *)NULL != peasycap->audio_isoc_buffer[k].pgo) { - free_pages((unsigned long)\ - (peasycap->audio_isoc_buffer[k].pgo), \ - AUDIO_ISOC_ORDER); - peasycap->audio_isoc_buffer[k].pgo = (void *)NULL; - peasycap->allocation_audio_page -= \ - ((unsigned int)(0x01 << AUDIO_ISOC_ORDER)); - m++; +#ifdef CONFIG_EASYCAP_OSS + JOM(4, "freeing audio buffers.\n"); + gone = 0; + for (k = 0; k < peasycap->audio_buffer_page_many; k++) { + if (peasycap->audio_buffer[k].pgo) { + free_page((unsigned long)peasycap->audio_buffer[k].pgo); + peasycap->audio_buffer[k].pgo = NULL; + peasycap->allocation_audio_page -= 1; + gone++; + } } -} -JOM(4, "easysnd_delete(): isoc audio buffers freed: %i pages\n", \ - m * (0x01 << AUDIO_ISOC_ORDER)); + JOM(4, "easyoss_delete(): audio buffers freed: %i pages\n", gone); +#endif /* CONFIG_EASYCAP_OSS */ /*---------------------------------------------------------------------------*/ -JOM(4, "freeing audio buffers.\n"); -gone = 0; -for (k = 0; k < peasycap->audio_buffer_page_many; k++) { - if ((void *)NULL != peasycap->audio_buffer[k].pgo) { - free_page((unsigned long)(peasycap->audio_buffer[k].pgo)); - peasycap->audio_buffer[k].pgo = (void *)NULL; - peasycap->allocation_audio_page -= 1; - gone++; + JOM(4, "freeing easycap structure.\n"); + allocation_video_urb = peasycap->allocation_video_urb; + allocation_video_page = peasycap->allocation_video_page; + allocation_video_struct = peasycap->allocation_video_struct; + registered_video = peasycap->registered_video; + allocation_audio_urb = peasycap->allocation_audio_urb; + allocation_audio_page = peasycap->allocation_audio_page; + allocation_audio_struct = peasycap->allocation_audio_struct; + registered_audio = peasycap->registered_audio; + + kfree(peasycap); + + if (0 <= kd && DONGLE_MANY > kd) { + if (mutex_lock_interruptible(&mutex_dongle)) { + SAY("ERROR: cannot down mutex_dongle\n"); + } else { + JOM(4, "locked mutex_dongle\n"); + easycapdc60_dongle[kd].peasycap = NULL; + mutex_unlock(&mutex_dongle); + JOM(4, "unlocked mutex_dongle\n"); + JOT(4, " null-->dongle[%i].peasycap\n", kd); + allocation_video_struct -= sizeof(struct easycap); + } + } else { + SAY("ERROR: cannot purge dongle[].peasycap"); } -} -JOM(4, "easysnd_delete(): audio buffers freed: %i pages\n", gone); -/*---------------------------------------------------------------------------*/ -JOM(4, "freeing easycap structure.\n"); -allocation_video_urb = peasycap->allocation_video_urb; -allocation_video_page = peasycap->allocation_video_page; -allocation_video_struct = peasycap->allocation_video_struct; -registered_video = peasycap->registered_video; -allocation_audio_urb = peasycap->allocation_audio_urb; -allocation_audio_page = peasycap->allocation_audio_page; -allocation_audio_struct = peasycap->allocation_audio_struct; -registered_audio = peasycap->registered_audio; - -kfree(peasycap); -if (0 <= kd && DONGLE_MANY > kd) { - easycap_dongle[kd].peasycap = (struct easycap *)NULL; - JOT(4, " null-->easycap_dongle[%i].peasycap\n", kd); - allocation_video_struct -= sizeof(struct easycap); -} else { - SAY("ERROR: cannot purge easycap_dongle[].peasycap"); -} /*---------------------------------------------------------------------------*/ -SAY("%8i= video urbs after all deletions\n", allocation_video_urb); -SAY("%8i= video pages after all deletions\n", allocation_video_page); -SAY("%8i= video structs after all deletions\n", allocation_video_struct); -SAY("%8i= video devices after all deletions\n", registered_video); -SAY("%8i= audio urbs after all deletions\n", allocation_audio_urb); -SAY("%8i= audio pages after all deletions\n", allocation_audio_page); -SAY("%8i= audio structs after all deletions\n", allocation_audio_struct); -SAY("%8i= audio devices after all deletions\n", registered_audio); - -JOT(4, "ending.\n"); -return; + SAY("%8i=video urbs after all deletions\n", allocation_video_urb); + SAY("%8i=video pages after all deletions\n", allocation_video_page); + SAY("%8i=video structs after all deletions\n", allocation_video_struct); + SAY("%8i=video devices after all deletions\n", registered_video); + SAY("%8i=audio urbs after all deletions\n", allocation_audio_urb); + SAY("%8i=audio pages after all deletions\n", allocation_audio_page); + SAY("%8i=audio structs after all deletions\n", allocation_audio_struct); + SAY("%8i=audio devices after all deletions\n", registered_audio); + + JOT(4, "ending.\n"); + return; } /*****************************************************************************/ -unsigned int easycap_poll(struct file *file, poll_table *wait) +static unsigned int easycap_poll(struct file *file, poll_table *wait) { -struct easycap *peasycap; -int rc, kd; + struct easycap *peasycap; + int rc, kd; -JOT(8, "\n"); + JOT(8, "\n"); -if (NULL == ((poll_table *)wait)) - JOT(8, "WARNING: poll table pointer is NULL ... continuing\n"); -if ((struct file *)NULL == file) { - SAY("ERROR: file pointer is NULL\n"); - return -ERESTARTSYS; -} -peasycap = file->private_data; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); - return -EFAULT; -} -if (NULL == peasycap->pusb_device) { - SAY("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; -} -/*---------------------------------------------------------------------------*/ -kd = isdongle(peasycap); -if (0 <= kd && DONGLE_MANY > kd) { - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_video)) { - SAY("ERROR: cannot down easycap_dongle[%i].mutex_video\n", kd); - return -ERESTARTSYS; - } - JOM(4, "locked easycap_dongle[%i].mutex_video\n", kd); - /*-------------------------------------------------------------------*/ - /* - * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER - * peasycap, IN WHICH CASE A REPEAT CALL TO isdongle() WILL FAIL. - * IF NECESSARY, BAIL OUT. - */ - /*-------------------------------------------------------------------*/ - if (kd != isdongle(peasycap)) - return -ERESTARTSYS; - if (NULL == file) { - SAY("ERROR: file is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); + if (NULL == ((poll_table *)wait)) + JOT(8, "WARNING: poll table pointer is NULL ... continuing\n"); + if (!file) { + SAY("ERROR: file pointer is NULL\n"); return -ERESTARTSYS; } peasycap = file->private_data; - if (NULL == peasycap) { + if (!peasycap) { SAY("ERROR: peasycap is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); - return -ERESTARTSYS; + return -EFAULT; } if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", \ - (unsigned long int) peasycap); - mutex_unlock(&easycap_dongle[kd].mutex_video); - return -ERESTARTSYS; + SAY("ERROR: bad peasycap: %p\n", peasycap); + return -EFAULT; } - if (NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycap_dongle[kd].mutex_video); - return -ERESTARTSYS; + if (!peasycap->pusb_device) { + SAY("ERROR: peasycap->pusb_device is NULL\n"); + return -EFAULT; } -} else - /*-------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------*/ + kd = isdongle(peasycap); + if (0 <= kd && DONGLE_MANY > kd) { + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) { + SAY("ERROR: cannot down dongle[%i].mutex_video\n", kd); + return -ERESTARTSYS; + } + JOM(4, "locked dongle[%i].mutex_video\n", kd); + /* + * MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER + * peasycap, IN WHICH CASE A REPEAT CALL TO isdongle() WILL FAIL. + * IF NECESSARY, BAIL OUT. + */ + if (kd != isdongle(peasycap)) + return -ERESTARTSYS; + if (!file) { + SAY("ERROR: file is NULL\n"); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + return -ERESTARTSYS; + } + peasycap = file->private_data; + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + return -ERESTARTSYS; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + return -ERESTARTSYS; + } + if (!peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + return -ERESTARTSYS; + } + } else /* * IF easycap_usb_disconnect() HAS ALREADY FREED POINTER peasycap * BEFORE THE ATTEMPT TO ACQUIRE THE SEMAPHORE, isdongle() WILL * HAVE FAILED. BAIL OUT. */ - /*-------------------------------------------------------------------*/ - return -ERESTARTSYS; -/*---------------------------------------------------------------------------*/ -rc = easycap_dqbuf(peasycap, 0); -peasycap->polled = 1; -mutex_unlock(&easycap_dongle[kd].mutex_video); -if (0 == rc) - return POLLIN | POLLRDNORM; -else - return POLLERR; -} + return -ERESTARTSYS; +/*---------------------------------------------------------------------------*/ + rc = easycap_dqbuf(peasycap, 0); + peasycap->polled = 1; + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + if (0 == rc) + return POLLIN | POLLRDNORM; + else + return POLLERR; + } /*****************************************************************************/ /*---------------------------------------------------------------------------*/ /* * IF mode IS NONZERO THIS ROUTINE RETURNS -EAGAIN RATHER THAN BLOCKING. */ /*---------------------------------------------------------------------------*/ -int -easycap_dqbuf(struct easycap *peasycap, int mode) +int easycap_dqbuf(struct easycap *peasycap, int mode) { -int input, ifield, miss, rc; + int input, ifield, miss, rc; -JOT(8, "\n"); -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -if (NULL == peasycap->pusb_device) { - SAY("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; -} -ifield = 0; -JOM(8, "%i=ifield\n", ifield); + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + if (!peasycap->pusb_device) { + SAY("ERROR: peasycap->pusb_device is NULL\n"); + return -EFAULT; + } + ifield = 0; + JOM(8, "%i=ifield\n", ifield); /*---------------------------------------------------------------------------*/ /* * CHECK FOR LOST INPUT SIGNAL. @@ -1223,187 +1068,179 @@ JOM(8, "%i=ifield\n", ifield); * INPUT 0 UNPLUGGED, INPUT 4 UNPLUGGED => SCREEN 0 BARS, SCREEN 4 BARS */ /*---------------------------------------------------------------------------*/ -input = peasycap->input; -if (0 <= input && INPUT_MANY > input) { - rc = read_saa(peasycap->pusb_device, 0x1F); - if (0 <= rc) { - if (rc & 0x40) - peasycap->lost[input] += 1; - else - peasycap->lost[input] -= 2; + input = peasycap->input; + if (0 <= input && INPUT_MANY > input) { + rc = read_saa(peasycap->pusb_device, 0x1F); + if (0 <= rc) { + if (rc & 0x40) + peasycap->lost[input] += 1; + else + peasycap->lost[input] -= 2; - if (0 > peasycap->lost[input]) - peasycap->lost[input] = 0; - else if ((2 * VIDEO_LOST_TOLERATE) < peasycap->lost[input]) - peasycap->lost[input] = (2 * VIDEO_LOST_TOLERATE); + if (0 > peasycap->lost[input]) + peasycap->lost[input] = 0; + else if ((2 * VIDEO_LOST_TOLERATE) < peasycap->lost[input]) + peasycap->lost[input] = (2 * VIDEO_LOST_TOLERATE); + } } -} /*---------------------------------------------------------------------------*/ /* * WAIT FOR FIELD ifield (0 => TOP, 1 => BOTTOM) */ /*---------------------------------------------------------------------------*/ -miss = 0; -while ((peasycap->field_read == peasycap->field_fill) || \ - (0 != (0xFF00 & peasycap->field_buffer\ - [peasycap->field_read][0].kount)) || \ - (ifield != (0x00FF & peasycap->field_buffer\ + miss = 0; + while ((peasycap->field_read == peasycap->field_fill) || + (0 != (0xFF00 & peasycap->field_buffer + [peasycap->field_read][0].kount)) || + (ifield != (0x00FF & peasycap->field_buffer [peasycap->field_read][0].kount))) { - if (mode) - return -EAGAIN; + if (mode) + return -EAGAIN; - JOM(8, "first wait on wq_video, " \ - "%i=field_read %i=field_fill\n", \ + JOM(8, "first wait on wq_video, %i=field_read %i=field_fill\n", peasycap->field_read, peasycap->field_fill); - if (0 != (wait_event_interruptible(peasycap->wq_video, \ - (peasycap->video_idle || peasycap->video_eof || \ - ((peasycap->field_read != peasycap->field_fill) && \ - (0 == (0xFF00 & peasycap->field_buffer\ - [peasycap->field_read][0].kount)) && \ - (ifield == (0x00FF & peasycap->field_buffer\ - [peasycap->field_read][0].kount))))))) { - SAM("aborted by signal\n"); - return -EIO; + if (0 != (wait_event_interruptible(peasycap->wq_video, + (peasycap->video_idle || peasycap->video_eof || + ((peasycap->field_read != peasycap->field_fill) && + (0 == (0xFF00 & peasycap->field_buffer[peasycap->field_read][0].kount)) && + (ifield == (0x00FF & peasycap->field_buffer[peasycap->field_read][0].kount))))))) { + SAM("aborted by signal\n"); + return -EIO; } - if (peasycap->video_idle) { - JOM(8, "%i=peasycap->video_idle ... returning -EAGAIN\n", \ + if (peasycap->video_idle) { + JOM(8, "%i=peasycap->video_idle returning -EAGAIN\n", peasycap->video_idle); - return -EAGAIN; - } - if (peasycap->video_eof) { - JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof); - #if defined(PERSEVERE) - if (1 == peasycap->status) { - JOM(8, "persevering ...\n"); - peasycap->video_eof = 0; - peasycap->audio_eof = 0; - if (0 != reset(peasycap)) { - JOM(8, " ... failed ... returning -EIO\n"); - peasycap->video_eof = 1; - peasycap->audio_eof = 1; - kill_video_urbs(peasycap); - return -EIO; - } - peasycap->status = 0; - JOM(8, " ... OK ... returning -EAGAIN\n"); return -EAGAIN; } - #endif /*PERSEVERE*/ - peasycap->video_eof = 1; - peasycap->audio_eof = 1; - kill_video_urbs(peasycap); - JOM(8, "returning -EIO\n"); - return -EIO; + if (peasycap->video_eof) { + JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof); + #if defined(PERSEVERE) + if (1 == peasycap->status) { + JOM(8, "persevering ...\n"); + peasycap->video_eof = 0; + peasycap->audio_eof = 0; + if (0 != reset(peasycap)) { + JOM(8, " ... failed returning -EIO\n"); + peasycap->video_eof = 1; + peasycap->audio_eof = 1; + kill_video_urbs(peasycap); + return -EIO; + } + peasycap->status = 0; + JOM(8, " ... OK returning -EAGAIN\n"); + return -EAGAIN; + } + #endif /*PERSEVERE*/ + peasycap->video_eof = 1; + peasycap->audio_eof = 1; + kill_video_urbs(peasycap); + JOM(8, "returning -EIO\n"); + return -EIO; + } + miss++; } -miss++; -} -JOM(8, "first awakening on wq_video after %i waits\n", miss); + JOM(8, "first awakening on wq_video after %i waits\n", miss); -rc = field2frame(peasycap); -if (0 != rc) - SAM("ERROR: field2frame() returned %i\n", rc); + rc = field2frame(peasycap); + if (rc) + SAM("ERROR: field2frame() rc = %i\n", rc); /*---------------------------------------------------------------------------*/ /* * WAIT FOR THE OTHER FIELD */ /*---------------------------------------------------------------------------*/ -if (ifield) - ifield = 0; -else - ifield = 1; -miss = 0; -while ((peasycap->field_read == peasycap->field_fill) || \ - (0 != (0xFF00 & peasycap->field_buffer\ - [peasycap->field_read][0].kount)) || \ - (ifield != (0x00FF & peasycap->field_buffer\ - [peasycap->field_read][0].kount))) { - if (mode) - return -EAGAIN; + if (ifield) + ifield = 0; + else + ifield = 1; + miss = 0; + while ((peasycap->field_read == peasycap->field_fill) || + (0 != (0xFF00 & peasycap->field_buffer[peasycap->field_read][0].kount)) || + (ifield != (0x00FF & peasycap->field_buffer[peasycap->field_read][0].kount))) { + if (mode) + return -EAGAIN; - JOM(8, "second wait on wq_video, " \ - "%i=field_read %i=field_fill\n", \ + JOM(8, "second wait on wq_video %i=field_read %i=field_fill\n", peasycap->field_read, peasycap->field_fill); - if (0 != (wait_event_interruptible(peasycap->wq_video, \ - (peasycap->video_idle || peasycap->video_eof || \ - ((peasycap->field_read != peasycap->field_fill) && \ - (0 == (0xFF00 & peasycap->field_buffer\ - [peasycap->field_read][0].kount)) && \ - (ifield == (0x00FF & peasycap->field_buffer\ - [peasycap->field_read][0].\ - kount))))))) { - SAM("aborted by signal\n"); - return -EIO; - } - if (peasycap->video_idle) { - JOM(8, "%i=peasycap->video_idle ... returning -EAGAIN\n", \ + if (0 != (wait_event_interruptible(peasycap->wq_video, + (peasycap->video_idle || peasycap->video_eof || + ((peasycap->field_read != peasycap->field_fill) && + (0 == (0xFF00 & peasycap->field_buffer[peasycap->field_read][0].kount)) && + (ifield == (0x00FF & peasycap->field_buffer[peasycap->field_read][0].kount))))))) { + SAM("aborted by signal\n"); + return -EIO; + } + if (peasycap->video_idle) { + JOM(8, "%i=peasycap->video_idle returning -EAGAIN\n", peasycap->video_idle); - return -EAGAIN; - } - if (peasycap->video_eof) { - JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof); - #if defined(PERSEVERE) - if (1 == peasycap->status) { - JOM(8, "persevering ...\n"); - peasycap->video_eof = 0; - peasycap->audio_eof = 0; - if (0 != reset(peasycap)) { - JOM(8, " ... failed ... returning -EIO\n"); - peasycap->video_eof = 1; - peasycap->audio_eof = 1; - kill_video_urbs(peasycap); - return -EIO; - } - peasycap->status = 0; - JOM(8, " ... OK ... returning -EAGAIN\n"); return -EAGAIN; } - #endif /*PERSEVERE*/ - peasycap->video_eof = 1; - peasycap->audio_eof = 1; - kill_video_urbs(peasycap); - JOM(8, "returning -EIO\n"); - return -EIO; + if (peasycap->video_eof) { + JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof); +#if defined(PERSEVERE) + if (1 == peasycap->status) { + JOM(8, "persevering ...\n"); + peasycap->video_eof = 0; + peasycap->audio_eof = 0; + if (0 != reset(peasycap)) { + JOM(8, " ... failed returning -EIO\n"); + peasycap->video_eof = 1; + peasycap->audio_eof = 1; + kill_video_urbs(peasycap); + return -EIO; + } + peasycap->status = 0; + JOM(8, " ... OK ... returning -EAGAIN\n"); + return -EAGAIN; + } +#endif /*PERSEVERE*/ + peasycap->video_eof = 1; + peasycap->audio_eof = 1; + kill_video_urbs(peasycap); + JOM(8, "returning -EIO\n"); + return -EIO; + } + miss++; } -miss++; -} -JOM(8, "second awakening on wq_video after %i waits\n", miss); + JOM(8, "second awakening on wq_video after %i waits\n", miss); -rc = field2frame(peasycap); -if (0 != rc) - SAM("ERROR: field2frame() returned %i\n", rc); + rc = field2frame(peasycap); + if (rc) + SAM("ERROR: field2frame() rc = %i\n", rc); /*---------------------------------------------------------------------------*/ /* * WASTE THIS FRAME */ /*---------------------------------------------------------------------------*/ -if (0 != peasycap->skip) { - peasycap->skipped++; - if (peasycap->skip != peasycap->skipped) - return peasycap->skip - peasycap->skipped; - peasycap->skipped = 0; -} + if (peasycap->skip) { + peasycap->skipped++; + if (peasycap->skip != peasycap->skipped) + return peasycap->skip - peasycap->skipped; + else + peasycap->skipped = 0; + } /*---------------------------------------------------------------------------*/ -peasycap->frame_read = peasycap->frame_fill; -peasycap->queued[peasycap->frame_read] = 0; -peasycap->done[peasycap->frame_read] = V4L2_BUF_FLAG_DONE; + peasycap->frame_read = peasycap->frame_fill; + peasycap->queued[peasycap->frame_read] = 0; + peasycap->done[peasycap->frame_read] = V4L2_BUF_FLAG_DONE; -(peasycap->frame_fill)++; -if (peasycap->frame_buffer_many <= peasycap->frame_fill) - peasycap->frame_fill = 0; + peasycap->frame_fill++; + if (peasycap->frame_buffer_many <= peasycap->frame_fill) + peasycap->frame_fill = 0; -if (0x01 & easycap_standard[peasycap->standard_offset].mask) { - peasycap->frame_buffer[peasycap->frame_read][0].kount = \ + if (0x01 & easycap_standard[peasycap->standard_offset].mask) + peasycap->frame_buffer[peasycap->frame_read][0].kount = V4L2_FIELD_TOP; -} else { - peasycap->frame_buffer[peasycap->frame_read][0].kount = \ + else + peasycap->frame_buffer[peasycap->frame_read][0].kount = V4L2_FIELD_BOTTOM; -} -JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read); -JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill); -return 0; + JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read); + JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill); + + return 0; } /*****************************************************************************/ /*---------------------------------------------------------------------------*/ @@ -1421,222 +1258,204 @@ return 0; int field2frame(struct easycap *peasycap) { -struct timeval timeval; -long long int above, below; -__u32 remainder; -struct signed_div_result sdr; - -void *pex, *pad; -int kex, kad, mex, mad, rex, rad, rad2; -int c2, c3, w2, w3, cz, wz; -int rc, bytesperpixel, multiplier, much, more, over, rump, caches, input; -__u8 mask, margin; -bool odd, isuy, decimatepixel, offerfields, badinput; - -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} + struct timeval timeval; + long long int above, below; + u32 remainder; + struct signed_div_result sdr; + + void *pex, *pad; + int kex, kad, mex, mad, rex, rad, rad2; + int c2, c3, w2, w3, cz, wz; + int rc, bytesperpixel, multiplier; + int much, more, over, rump, caches, input; + u8 mask, margin; + bool odd, isuy, decimatepixel, offerfields, badinput; + + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } -badinput = false; -input = 0x07 & peasycap->field_buffer[peasycap->field_read][0].input; + badinput = false; + input = 0x07 & peasycap->field_buffer[peasycap->field_read][0].input; -JOM(8, "===== parity %i, input 0x%02X, field buffer %i --> " \ - "frame buffer %i\n", \ - peasycap->field_buffer[peasycap->field_read][0].kount,\ - peasycap->field_buffer[peasycap->field_read][0].input,\ + JOM(8, "===== parity %i, input 0x%02X, field buffer %i --> " + "frame buffer %i\n", + peasycap->field_buffer[peasycap->field_read][0].kount, + peasycap->field_buffer[peasycap->field_read][0].input, peasycap->field_read, peasycap->frame_fill); -JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel); -if (true == peasycap->offerfields) - JOM(8, "===== offerfields\n"); + JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel); + if (peasycap->offerfields) + JOM(8, "===== offerfields\n"); /*---------------------------------------------------------------------------*/ /* * REJECT OR CLEAN BAD FIELDS */ /*---------------------------------------------------------------------------*/ -if (peasycap->field_read == peasycap->field_fill) { - SAM("ERROR: on entry, still filling field buffer %i\n", \ - peasycap->field_read); - return 0; -} -#if defined(EASYCAP_TESTCARD) -easycap_testcard(peasycap, peasycap->field_read); + if (peasycap->field_read == peasycap->field_fill) { + SAM("ERROR: on entry, still filling field buffer %i\n", + peasycap->field_read); + return 0; + } +#ifdef EASYCAP_TESTCARD + easycap_testcard(peasycap, peasycap->field_read); #else -if (0 <= input && INPUT_MANY > input) { - if (easycap_bars && VIDEO_LOST_TOLERATE <= peasycap->lost[input]) - easycap_testcard(peasycap, peasycap->field_read); -} + if (0 <= input && INPUT_MANY > input) { + if (easycap_bars && VIDEO_LOST_TOLERATE <= peasycap->lost[input]) + easycap_testcard(peasycap, peasycap->field_read); + } #endif /*EASYCAP_TESTCARD*/ /*---------------------------------------------------------------------------*/ -offerfields = peasycap->offerfields; -bytesperpixel = peasycap->bytesperpixel; -decimatepixel = peasycap->decimatepixel; - -if ((2 != bytesperpixel) && \ - (3 != bytesperpixel) && \ - (4 != bytesperpixel)) { - SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel); - return -EFAULT; -} -if (true == decimatepixel) - multiplier = 2; -else - multiplier = 1; - -w2 = 2 * multiplier * (peasycap->width); -w3 = bytesperpixel * \ - multiplier * \ - (peasycap->width); -wz = multiplier * \ - (peasycap->height) * \ - multiplier * \ - (peasycap->width); - -kex = peasycap->field_read; mex = 0; -kad = peasycap->frame_fill; mad = 0; - -pex = peasycap->field_buffer[kex][0].pgo; rex = PAGE_SIZE; -pad = peasycap->frame_buffer[kad][0].pgo; rad = PAGE_SIZE; -if (peasycap->field_buffer[kex][0].kount) - odd = true; -else - odd = false; - -if ((true == odd) && (false == decimatepixel)) { - JOM(8, " initial skipping %4i bytes p.%4i\n", \ - w3/multiplier, mad); - pad += (w3 / multiplier); rad -= (w3 / multiplier); -} -isuy = true; -mask = 0; rump = 0; caches = 0; + offerfields = peasycap->offerfields; + bytesperpixel = peasycap->bytesperpixel; + decimatepixel = peasycap->decimatepixel; -cz = 0; -while (cz < wz) { - /*-------------------------------------------------------------------*/ - /* - ** PROCESS ONE LINE OF FRAME AT FULL RESOLUTION: - ** READ w2 BYTES FROM FIELD BUFFER, - ** WRITE w3 BYTES TO FRAME BUFFER - **/ - /*-------------------------------------------------------------------*/ - if (false == decimatepixel) { - over = w2; - do { - much = over; more = 0; margin = 0; mask = 0x00; - if (rex < much) - much = rex; - rump = 0; - - if (much % 2) { - SAM("MISTAKE: much is odd\n"); - return -EFAULT; - } + if ((2 != bytesperpixel) && + (3 != bytesperpixel) && + (4 != bytesperpixel)) { + SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel); + return -EFAULT; + } + if (decimatepixel) + multiplier = 2; + else + multiplier = 1; + + w2 = 2 * multiplier * (peasycap->width); + w3 = bytesperpixel * multiplier * (peasycap->width); + wz = multiplier * (peasycap->height) * + multiplier * (peasycap->width); + + kex = peasycap->field_read; mex = 0; + kad = peasycap->frame_fill; mad = 0; + + pex = peasycap->field_buffer[kex][0].pgo; rex = PAGE_SIZE; + pad = peasycap->frame_buffer[kad][0].pgo; rad = PAGE_SIZE; + odd = !!(peasycap->field_buffer[kex][0].kount); + + if (odd && (!decimatepixel)) { + JOM(8, "initial skipping %4i bytes p.%4i\n", + w3/multiplier, mad); + pad += (w3 / multiplier); rad -= (w3 / multiplier); + } + isuy = true; + mask = 0; rump = 0; caches = 0; + + cz = 0; + while (cz < wz) { + /* + * PROCESS ONE LINE OF FRAME AT FULL RESOLUTION: + * READ w2 BYTES FROM FIELD BUFFER, + * WRITE w3 BYTES TO FRAME BUFFER + */ + if (!decimatepixel) { + over = w2; + do { + much = over; more = 0; + margin = 0; mask = 0x00; + if (rex < much) + much = rex; + rump = 0; + + if (much % 2) { + SAM("MISTAKE: much is odd\n"); + return -EFAULT; + } - more = (bytesperpixel * \ - much) / 2; + more = (bytesperpixel * + much) / 2; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - if (1 < bytesperpixel) { - if (rad * 2 < much * bytesperpixel) { - /* - ** INJUDICIOUS ALTERATION OF THIS - ** STATEMENT BLOCK WILL CAUSE - ** BREAKAGE. BEWARE. - **/ - rad2 = rad + bytesperpixel - 1; - much = ((((2 * \ - rad2)/bytesperpixel)/2) * 2); - rump = ((bytesperpixel * \ - much) / 2) - rad; - more = rad; + if (1 < bytesperpixel) { + if (rad * 2 < much * bytesperpixel) { + /* + * INJUDICIOUS ALTERATION OF + * THIS STATEMENT BLOCK WILL + * CAUSE BREAKAGE. BEWARE. + */ + rad2 = rad + bytesperpixel - 1; + much = ((((2 * rad2)/bytesperpixel)/2) * 2); + rump = ((bytesperpixel * much) / 2) - rad; + more = rad; } - mask = (__u8)rump; - margin = 0; - if (much == rex) { - mask |= 0x04; - if ((mex + 1) < FIELD_BUFFER_SIZE/ \ - PAGE_SIZE) { - margin = *((__u8 *)(peasycap->\ - field_buffer\ - [kex][mex + 1].pgo)); - } else - mask |= 0x08; + mask = (u8)rump; + margin = 0; + if (much == rex) { + mask |= 0x04; + if ((mex + 1) < FIELD_BUFFER_SIZE / PAGE_SIZE) + margin = *((u8 *)(peasycap->field_buffer[kex][mex + 1].pgo)); + else + mask |= 0x08; + } + } else { + SAM("MISTAKE: %i=bytesperpixel\n", + bytesperpixel); + return -EFAULT; } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - } else { - SAM("MISTAKE: %i=bytesperpixel\n", \ - bytesperpixel); - return -EFAULT; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - if (rump) - caches++; - if (true == badinput) { - JOM(8, "ERROR: 0x%02X=->field_buffer" \ - "[%i][%i].input, " \ - "0x%02X=(0x08|->input)\n", \ - peasycap->field_buffer\ - [kex][mex].input, kex, mex, \ - (0x08|peasycap->input)); + if (rump) + caches++; + if (badinput) { + JOM(8, "ERROR: 0x%02X=->field_buffer" + "[%i][%i].input, " + "0x%02X=(0x08|->input)\n", + peasycap->field_buffer + [kex][mex].input, kex, mex, + (0x08|peasycap->input)); + } + rc = redaub(peasycap, pad, pex, much, more, + mask, margin, isuy); + if (0 > rc) { + SAM("ERROR: redaub() failed\n"); + return -EFAULT; } - rc = redaub(peasycap, pad, pex, much, more, \ - mask, margin, isuy); - if (0 > rc) { - SAM("ERROR: redaub() failed\n"); - return -EFAULT; - } - if (much % 4) { - if (isuy) - isuy = false; - else - isuy = true; - } - over -= much; cz += much; - pex += much; rex -= much; - if (!rex) { - mex++; - pex = peasycap->field_buffer[kex][mex].pgo; - rex = PAGE_SIZE; - if (peasycap->field_buffer[kex][mex].input != \ - (0x08|peasycap->input)) - badinput = true; - } - pad += more; - rad -= more; - if (!rad) { - mad++; - pad = peasycap->frame_buffer[kad][mad].pgo; - rad = PAGE_SIZE; - if (rump) { - pad += rump; - rad -= rump; + if (much % 4) + isuy = !isuy; + + over -= much; cz += much; + pex += much; rex -= much; + if (!rex) { + mex++; + pex = peasycap->field_buffer[kex][mex].pgo; + rex = PAGE_SIZE; + if (peasycap->field_buffer[kex][mex].input != (0x08|peasycap->input)) + badinput = true; } - } - } while (over); + pad += more; + rad -= more; + if (!rad) { + mad++; + pad = peasycap->frame_buffer[kad][mad].pgo; + rad = PAGE_SIZE; + if (rump) { + pad += rump; + rad -= rump; + } + } + } while (over); /*---------------------------------------------------------------------------*/ /* * SKIP w3 BYTES IN TARGET FRAME BUFFER, * UNLESS IT IS THE LAST LINE OF AN ODD FRAME */ /*---------------------------------------------------------------------------*/ - if ((false == odd) || (cz != wz)) { - over = w3; - do { - if (!rad) { - mad++; - pad = peasycap->frame_buffer\ - [kad][mad].pgo; - rad = PAGE_SIZE; - } - more = over; - if (rad < more) - more = rad; - over -= more; - pad += more; - rad -= more; - } while (over); - } + if (!odd || (cz != wz)) { + over = w3; + do { + if (!rad) { + mad++; + pad = peasycap->frame_buffer + [kad][mad].pgo; + rad = PAGE_SIZE; + } + more = over; + if (rad < more) + more = rad; + over -= more; + pad += more; + rad -= more; + } while (over); + } /*---------------------------------------------------------------------------*/ /* * PROCESS ONE LINE OF FRAME AT REDUCED RESOLUTION: @@ -1645,214 +1464,205 @@ while (cz < wz) { * WRITE w3 / 2 BYTES TO FRAME BUFFER */ /*---------------------------------------------------------------------------*/ - } else if (false == odd) { - over = w2; - do { - much = over; more = 0; margin = 0; mask = 0x00; - if (rex < much) - much = rex; - rump = 0; + } else if (!odd) { + over = w2; + do { + much = over; more = 0; margin = 0; mask = 0x00; + if (rex < much) + much = rex; + rump = 0; - if (much % 2) { - SAM("MISTAKE: much is odd\n"); - return -EFAULT; - } + if (much % 2) { + SAM("MISTAKE: much is odd\n"); + return -EFAULT; + } - more = (bytesperpixel * \ - much) / 4; + more = (bytesperpixel * much) / 4; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - if (1 < bytesperpixel) { - if (rad * 4 < much * bytesperpixel) { - /* - ** INJUDICIOUS ALTERATION OF THIS - ** STATEMENT BLOCK WILL CAUSE - ** BREAKAGE. BEWARE. - **/ - rad2 = rad + bytesperpixel - 1; - much = ((((2 * rad2)/bytesperpixel)/2)\ - * 4); - rump = ((bytesperpixel * \ - much) / 4) - rad; - more = rad; + if (1 < bytesperpixel) { + if (rad * 4 < much * bytesperpixel) { + /* + * INJUDICIOUS ALTERATION OF + * THIS STATEMENT BLOCK + * WILL CAUSE BREAKAGE. + * BEWARE. + */ + rad2 = rad + bytesperpixel - 1; + much = ((((2 * rad2) / bytesperpixel) / 2) * 4); + rump = ((bytesperpixel * much) / 4) - rad; + more = rad; } - mask = (__u8)rump; - margin = 0; - if (much == rex) { - mask |= 0x04; - if ((mex + 1) < FIELD_BUFFER_SIZE/ \ - PAGE_SIZE) { - margin = *((__u8 *)(peasycap->\ - field_buffer\ - [kex][mex + 1].pgo)); - } - else - mask |= 0x08; + mask = (u8)rump; + margin = 0; + if (much == rex) { + mask |= 0x04; + if ((mex + 1) < FIELD_BUFFER_SIZE / PAGE_SIZE) + margin = *((u8 *)(peasycap->field_buffer[kex][mex + 1].pgo)); + else + mask |= 0x08; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ } else { - SAM("MISTAKE: %i=bytesperpixel\n", \ + SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel); return -EFAULT; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - if (rump) - caches++; - - if (true == badinput) { - JOM(8, "ERROR: 0x%02X=->field_buffer" \ - "[%i][%i].input, " \ - "0x%02X=(0x08|->input)\n", \ - peasycap->field_buffer\ - [kex][mex].input, kex, mex, \ - (0x08|peasycap->input)); - } - rc = redaub(peasycap, pad, pex, much, more, \ + if (rump) + caches++; + + if (badinput) { + JOM(8, "ERROR: 0x%02X=->field_buffer" + "[%i][%i].input, " + "0x%02X=(0x08|->input)\n", + peasycap->field_buffer + [kex][mex].input, kex, mex, + (0x08|peasycap->input)); + } + rc = redaub(peasycap, pad, pex, much, more, mask, margin, isuy); - if (0 > rc) { - SAM("ERROR: redaub() failed\n"); - return -EFAULT; - } - over -= much; cz += much; - pex += much; rex -= much; - if (!rex) { - mex++; - pex = peasycap->field_buffer[kex][mex].pgo; - rex = PAGE_SIZE; - if (peasycap->field_buffer[kex][mex].input != \ - (0x08|peasycap->input)) - badinput = true; - } - pad += more; - rad -= more; - if (!rad) { - mad++; - pad = peasycap->frame_buffer[kad][mad].pgo; - rad = PAGE_SIZE; - if (rump) { - pad += rump; - rad -= rump; + if (0 > rc) { + SAM("ERROR: redaub() failed\n"); + return -EFAULT; } - } - } while (over); + over -= much; cz += much; + pex += much; rex -= much; + if (!rex) { + mex++; + pex = peasycap->field_buffer[kex][mex].pgo; + rex = PAGE_SIZE; + if (peasycap->field_buffer[kex][mex].input != + (0x08|peasycap->input)) + badinput = true; + } + pad += more; + rad -= more; + if (!rad) { + mad++; + pad = peasycap->frame_buffer[kad][mad].pgo; + rad = PAGE_SIZE; + if (rump) { + pad += rump; + rad -= rump; + } + } + } while (over); /*---------------------------------------------------------------------------*/ /* * OTHERWISE JUST * READ w2 BYTES FROM FIELD BUFFER AND DISCARD THEM */ /*---------------------------------------------------------------------------*/ - } else { - over = w2; - do { - if (!rex) { - mex++; - pex = peasycap->field_buffer[kex][mex].pgo; - rex = PAGE_SIZE; - if (peasycap->field_buffer[kex][mex].input != \ - (0x08|peasycap->input)) { - JOM(8, "ERROR: 0x%02X=->field_buffer"\ - "[%i][%i].input, " \ - "0x%02X=(0x08|->input)\n", \ - peasycap->field_buffer\ - [kex][mex].input, kex, mex, \ - (0x08|peasycap->input)); - badinput = true; + } else { + over = w2; + do { + if (!rex) { + mex++; + pex = peasycap->field_buffer[kex][mex].pgo; + rex = PAGE_SIZE; + if (peasycap->field_buffer[kex][mex].input != + (0x08|peasycap->input)) { + JOM(8, "ERROR: 0x%02X=->field_buffer" + "[%i][%i].input, " + "0x%02X=(0x08|->input)\n", + peasycap->field_buffer + [kex][mex].input, kex, mex, + (0x08|peasycap->input)); + badinput = true; + } } - } - much = over; - if (rex < much) - much = rex; - over -= much; - cz += much; - pex += much; - rex -= much; - } while (over); + much = over; + if (rex < much) + much = rex; + over -= much; + cz += much; + pex += much; + rex -= much; + } while (over); + } } -} /*---------------------------------------------------------------------------*/ /* * SANITY CHECKS */ /*---------------------------------------------------------------------------*/ -c2 = (mex + 1)*PAGE_SIZE - rex; -if (cz != c2) - SAM("ERROR: discrepancy %i in bytes read\n", c2 - cz); -c3 = (mad + 1)*PAGE_SIZE - rad; - -if (false == decimatepixel) { - if (bytesperpixel * \ - cz != c3) \ - SAM("ERROR: discrepancy %i in bytes written\n", \ - c3 - (bytesperpixel * \ - cz)); -} else { - if (false == odd) { - if (bytesperpixel * \ - cz != (4 * c3)) - SAM("ERROR: discrepancy %i in bytes written\n", \ - (2*c3)-(bytesperpixel * \ - cz)); - } else { - if (0 != c3) - SAM("ERROR: discrepancy %i " \ - "in bytes written\n", c3); - } -} -if (rump) - SAM("WORRY: undischarged cache at end of line in frame buffer\n"); + c2 = (mex + 1)*PAGE_SIZE - rex; + if (cz != c2) + SAM("ERROR: discrepancy %i in bytes read\n", c2 - cz); + c3 = (mad + 1)*PAGE_SIZE - rad; -JOM(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3); -JOM(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad); + if (!decimatepixel) { + if (bytesperpixel * cz != c3) + SAM("ERROR: discrepancy %i in bytes written\n", + c3 - (bytesperpixel * cz)); + } else { + if (!odd) { + if (bytesperpixel * + cz != (4 * c3)) + SAM("ERROR: discrepancy %i in bytes written\n", + (2*c3)-(bytesperpixel * cz)); + } else { + if (0 != c3) + SAM("ERROR: discrepancy %i " + "in bytes written\n", c3); + } + } + if (rump) + SAM("WORRY: undischarged cache at end of line in frame buffer\n"); -if (true == odd) - JOM(8, "+++++ field2frame(): frame buffer %i is full\n", kad); + JOM(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3); + JOM(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad); -if (peasycap->field_read == peasycap->field_fill) - SAM("WARNING: on exit, filling field buffer %i\n", \ - peasycap->field_read); + if (odd) + JOM(8, "+++++ field2frame(): frame buffer %i is full\n", kad); + + if (peasycap->field_read == peasycap->field_fill) + SAM("WARNING: on exit, filling field buffer %i\n", + peasycap->field_read); /*---------------------------------------------------------------------------*/ /* * CALCULATE VIDEO STREAMING RATE */ /*---------------------------------------------------------------------------*/ -do_gettimeofday(&timeval); -if (peasycap->timeval6.tv_sec) { - below = ((long long int)(1000000)) * \ - ((long long int)(timeval.tv_sec - \ - peasycap->timeval6.tv_sec)) + \ - (long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec); - above = (long long int)1000000; + do_gettimeofday(&timeval); + if (peasycap->timeval6.tv_sec) { + below = ((long long int)(1000000)) * + ((long long int)(timeval.tv_sec - + peasycap->timeval6.tv_sec)) + + (long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec); + above = (long long int)1000000; - sdr = signed_div(above, below); - above = sdr.quotient; - remainder = (__u32)sdr.remainder; + sdr = signed_div(above, below); + above = sdr.quotient; + remainder = (u32)sdr.remainder; - JOM(8, "video streaming at %3lli.%03i fields per second\n", above, \ - (remainder/1000)); -} -peasycap->timeval6 = timeval; + JOM(8, "video streaming at %3lli.%03i fields per second\n", + above, (remainder/1000)); + } + peasycap->timeval6 = timeval; -if (caches) - JOM(8, "%i=caches\n", caches); -return 0; + if (caches) + JOM(8, "%i=caches\n", caches); + return 0; } /*****************************************************************************/ struct signed_div_result signed_div(long long int above, long long int below) { -struct signed_div_result sdr; - -if (((0 <= above) && (0 <= below)) || ((0 > above) && (0 > below))) { - sdr.remainder = (unsigned long long int) do_div(above, below); - sdr.quotient = (long long int) above; -} else { - if (0 > above) - above = -above; - if (0 > below) - below = -below; - sdr.remainder = (unsigned long long int) do_div(above, below); - sdr.quotient = -((long long int) above); -} -return sdr; + struct signed_div_result sdr; + + if (((0 <= above) && (0 <= below)) || ((0 > above) && (0 > below))) { + sdr.remainder = (unsigned long long int) do_div(above, below); + sdr.quotient = (long long int) above; + } else { + if (0 > above) + above = -above; + if (0 > below) + below = -below; + sdr.remainder = (unsigned long long int) do_div(above, below); + sdr.quotient = -((long long int) above); + } + return sdr; } /*****************************************************************************/ /*---------------------------------------------------------------------------*/ @@ -1881,345 +1691,176 @@ return sdr; */ /*---------------------------------------------------------------------------*/ int -redaub(struct easycap *peasycap, void *pad, void *pex, int much, int more, \ - __u8 mask, __u8 margin, bool isuy) +redaub(struct easycap *peasycap, void *pad, void *pex, int much, int more, + u8 mask, u8 margin, bool isuy) { -static __s32 ay[256], bu[256], rv[256], gu[256], gv[256]; -__u8 *pcache; -__u8 r, g, b, y, u, v, c, *p2, *p3, *pz, *pr; -int bytesperpixel; -bool byteswaporder, decimatepixel, last; -int j, rump; -__s32 s32; - -if (much % 2) { - SAM("MISTAKE: much is odd\n"); - return -EFAULT; -} -bytesperpixel = peasycap->bytesperpixel; -byteswaporder = peasycap->byteswaporder; -decimatepixel = peasycap->decimatepixel; - -/*---------------------------------------------------------------------------*/ -if (!bu[255]) { - for (j = 0; j < 112; j++) { - s32 = (0xFF00 & (453 * j)) >> 8; - bu[j + 128] = s32; bu[127 - j] = -s32; - s32 = (0xFF00 & (359 * j)) >> 8; - rv[j + 128] = s32; rv[127 - j] = -s32; - s32 = (0xFF00 & (88 * j)) >> 8; - gu[j + 128] = s32; gu[127 - j] = -s32; - s32 = (0xFF00 & (183 * j)) >> 8; - gv[j + 128] = s32; gv[127 - j] = -s32; - } - for (j = 0; j < 16; j++) { - bu[j] = bu[16]; rv[j] = rv[16]; - gu[j] = gu[16]; gv[j] = gv[16]; - } - for (j = 240; j < 256; j++) { - bu[j] = bu[239]; rv[j] = rv[239]; - gu[j] = gu[239]; gv[j] = gv[239]; - } - for (j = 16; j < 236; j++) - ay[j] = j; - for (j = 0; j < 16; j++) - ay[j] = ay[16]; - for (j = 236; j < 256; j++) - ay[j] = ay[235]; - JOM(8, "lookup tables are prepared\n"); -} -pcache = peasycap->pcache; -if (NULL == pcache) - pcache = &peasycap->cache[0]; + static s32 ay[256], bu[256], rv[256], gu[256], gv[256]; + u8 *pcache; + u8 r, g, b, y, u, v, c, *p2, *p3, *pz, *pr; + int bytesperpixel; + bool byteswaporder, decimatepixel, last; + int j, rump; + s32 tmp; + + if (much % 2) { + SAM("MISTAKE: much is odd\n"); + return -EFAULT; + } + bytesperpixel = peasycap->bytesperpixel; + byteswaporder = peasycap->byteswaporder; + decimatepixel = peasycap->decimatepixel; + +/*---------------------------------------------------------------------------*/ + if (!bu[255]) { + for (j = 0; j < 112; j++) { + tmp = (0xFF00 & (453 * j)) >> 8; + bu[j + 128] = tmp; bu[127 - j] = -tmp; + tmp = (0xFF00 & (359 * j)) >> 8; + rv[j + 128] = tmp; rv[127 - j] = -tmp; + tmp = (0xFF00 & (88 * j)) >> 8; + gu[j + 128] = tmp; gu[127 - j] = -tmp; + tmp = (0xFF00 & (183 * j)) >> 8; + gv[j + 128] = tmp; gv[127 - j] = -tmp; + } + for (j = 0; j < 16; j++) { + bu[j] = bu[16]; rv[j] = rv[16]; + gu[j] = gu[16]; gv[j] = gv[16]; + } + for (j = 240; j < 256; j++) { + bu[j] = bu[239]; rv[j] = rv[239]; + gu[j] = gu[239]; gv[j] = gv[239]; + } + for (j = 16; j < 236; j++) + ay[j] = j; + for (j = 0; j < 16; j++) + ay[j] = ay[16]; + for (j = 236; j < 256; j++) + ay[j] = ay[235]; + JOM(8, "lookup tables are prepared\n"); + } + pcache = peasycap->pcache; + if (!pcache) + pcache = &peasycap->cache[0]; /*---------------------------------------------------------------------------*/ /* * TRANSFER CONTENTS OF CACHE TO THE FRAME BUFFER */ /*---------------------------------------------------------------------------*/ -if (!pcache) { - SAM("MISTAKE: pcache is NULL\n"); - return -EFAULT; -} + if (!pcache) { + SAM("MISTAKE: pcache is NULL\n"); + return -EFAULT; + } -if (pcache != &peasycap->cache[0]) - JOM(16, "cache has %i bytes\n", (int)(pcache - &peasycap->cache[0])); -p2 = &peasycap->cache[0]; -p3 = (__u8 *)pad - (int)(pcache - &peasycap->cache[0]); -while (p2 < pcache) { - *p3++ = *p2; p2++; -} -pcache = &peasycap->cache[0]; -if (p3 != pad) { - SAM("MISTAKE: pointer misalignment\n"); - return -EFAULT; -} -/*---------------------------------------------------------------------------*/ -rump = (int)(0x03 & mask); -u = 0; v = 0; -p2 = (__u8 *)pex; pz = p2 + much; pr = p3 + more; last = false; -p2++; - -if (true == isuy) - u = *(p2 - 1); -else - v = *(p2 - 1); - -if (rump) - JOM(16, "%4i=much %4i=more %i=rump\n", much, more, rump); - -/*---------------------------------------------------------------------------*/ -switch (bytesperpixel) { -case 2: { - if (false == decimatepixel) { - memcpy(pad, pex, (size_t)much); - if (false == byteswaporder) - /*---------------------------------------------------*/ - /* - ** UYVY - */ - /*---------------------------------------------------*/ - return 0; - else { - /*---------------------------------------------------*/ - /* - ** YUYV - */ - /*---------------------------------------------------*/ - p3 = (__u8 *)pad; pz = p3 + much; - while (pz > p3) { - c = *p3; - *p3 = *(p3 + 1); - *(p3 + 1) = c; - p3 += 2; - } - return 0; - } - } else { - if (false == byteswaporder) { - /*---------------------------------------------------*/ - /* - ** UYVY DECIMATED - */ - /*---------------------------------------------------*/ - p2 = (__u8 *)pex; p3 = (__u8 *)pad; pz = p2 + much; - while (pz > p2) { - *p3 = *p2; - *(p3 + 1) = *(p2 + 1); - *(p3 + 2) = *(p2 + 2); - *(p3 + 3) = *(p2 + 3); - p3 += 4; p2 += 8; - } - return 0; - } else { - /*---------------------------------------------------*/ - /* - ** YUYV DECIMATED - **/ - /*---------------------------------------------------*/ - p2 = (__u8 *)pex; p3 = (__u8 *)pad; pz = p2 + much; - while (pz > p2) { - *p3 = *(p2 + 1); - *(p3 + 1) = *p2; - *(p3 + 2) = *(p2 + 3); - *(p3 + 3) = *(p2 + 2); - p3 += 4; p2 += 8; - } - return 0; - } + if (pcache != &peasycap->cache[0]) + JOM(16, "cache has %i bytes\n", (int)(pcache - &peasycap->cache[0])); + p2 = &peasycap->cache[0]; + p3 = (u8 *)pad - (int)(pcache - &peasycap->cache[0]); + while (p2 < pcache) { + *p3++ = *p2; p2++; } - break; - } -case 3: - { - if (false == decimatepixel) { - if (false == byteswaporder) { - /*---------------------------------------------------*/ - /* - ** RGB - **/ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } else - if (0x08 & mask) - ; - } else { - if (true == isuy) - v = *(p2 + 1); - else - u = *(p2 + 1); - } + pcache = &peasycap->cache[0]; + if (p3 != pad) { + SAM("MISTAKE: pointer misalignment\n"); + return -EFAULT; + } +/*---------------------------------------------------------------------------*/ + rump = (int)(0x03 & mask); + u = 0; v = 0; + p2 = (u8 *)pex; pz = p2 + much; pr = p3 + more; last = false; + p2++; - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - - if ((true == last) && rump) { - pcache = &peasycap->cache[0]; - switch (bytesperpixel - rump) { - case 1: { - *p3 = r; - *pcache++ = g; - *pcache++ = b; - break; - } - case 2: { - *p3 = r; - *(p3 + 1) = g; - *pcache++ = b; - break; - } - default: { - SAM("MISTAKE: %i=rump\n", \ - bytesperpixel - rump); - return -EFAULT; - } - } - } else { - *p3 = r; - *(p3 + 1) = g; - *(p3 + 2) = b; + if (isuy) + u = *(p2 - 1); + else + v = *(p2 - 1); + + if (rump) + JOM(16, "%4i=much %4i=more %i=rump\n", much, more, rump); + +/*---------------------------------------------------------------------------*/ + switch (bytesperpixel) { + case 2: { + if (!decimatepixel) { + memcpy(pad, pex, (size_t)much); + if (!byteswaporder) { + /* UYVY */ + return 0; + } else { + /* YUYV */ + p3 = (u8 *)pad; pz = p3 + much; + while (pz > p3) { + c = *p3; + *p3 = *(p3 + 1); + *(p3 + 1) = c; + p3 += 2; } - p2 += 2; - if (true == isuy) - isuy = false; - else - isuy = true; - p3 += bytesperpixel; + return 0; } - return 0; } else { - /*---------------------------------------------------*/ - /* - ** BGR - */ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } - else - if (0x08 & mask) - ; - } else { - if (true == isuy) - v = *(p2 + 1); - else - u = *(p2 + 1); + if (!byteswaporder) { + /* UYVY DECIMATED */ + p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much; + while (pz > p2) { + *p3 = *p2; + *(p3 + 1) = *(p2 + 1); + *(p3 + 2) = *(p2 + 2); + *(p3 + 3) = *(p2 + 3); + p3 += 4; p2 += 8; } - - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - - if ((true == last) && rump) { - pcache = &peasycap->cache[0]; - switch (bytesperpixel - rump) { - case 1: { - *p3 = b; - *pcache++ = g; - *pcache++ = r; - break; - } - case 2: { - *p3 = b; - *(p3 + 1) = g; - *pcache++ = r; - break; - } - default: { - SAM("MISTAKE: %i=rump\n", \ - bytesperpixel - rump); - return -EFAULT; - } - } - } else { - *p3 = b; - *(p3 + 1) = g; - *(p3 + 2) = r; - } - p2 += 2; - if (true == isuy) - isuy = false; - else - isuy = true; - p3 += bytesperpixel; + return 0; + } else { + /* YUYV DECIMATED */ + p2 = (u8 *)pex; p3 = (u8 *)pad; pz = p2 + much; + while (pz > p2) { + *p3 = *(p2 + 1); + *(p3 + 1) = *p2; + *(p3 + 2) = *(p2 + 3); + *(p3 + 3) = *(p2 + 2); + p3 += 4; p2 += 8; } + return 0; } - return 0; - } else { - if (false == byteswaporder) { - /*---------------------------------------------------*/ - /* - ** RGB DECIMATED - */ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } else - if (0x08 & mask) - ; - } else { - if (true == isuy) - v = *(p2 + 1); + } + break; + } + case 3: + { + if (!decimatepixel) { + if (!byteswaporder) { + /* RGB */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; else - u = *(p2 + 1); - } + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } else + if (0x08 & mask) + ; + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); + } - if (true == isuy) { - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - \ - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - - if ((true == last) && rump) { + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { pcache = &peasycap->cache[0]; switch (bytesperpixel - rump) { case 1: { @@ -2235,9 +1876,8 @@ case 3: break; } default: { - SAM("MISTAKE: " \ - "%i=rump\n", \ - bytesperpixel - rump); + SAM("MISTAKE: %i=rump\n", + bytesperpixel - rump); return -EFAULT; } } @@ -2246,56 +1886,50 @@ case 3: *(p3 + 1) = g; *(p3 + 2) = b; } - isuy = false; + p2 += 2; + if (isuy) + isuy = false; + else + isuy = true; p3 += bytesperpixel; - } else { - isuy = true; } - p2 += 2; - } - return 0; - } else { - /*---------------------------------------------------*/ - /* - * BGR DECIMATED - */ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } else + return 0; + } else { + /* BGR */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; + else + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } + else if (0x08 & mask) ; - } else { - if (true == isuy) - v = *(p2 + 1); - else - u = *(p2 + 1); - } - - if (true == isuy) { - - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - \ - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); + } - if ((true == last) && rump) { + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { pcache = &peasycap->cache[0]; switch (bytesperpixel - rump) { case 1: { @@ -2311,9 +1945,8 @@ case 3: break; } default: { - SAM("MISTAKE: " \ - "%i=rump\n", \ - bytesperpixel - rump); + SAM("MISTAKE: %i=rump\n", + bytesperpixel - rump); return -EFAULT; } } @@ -2322,229 +1955,201 @@ case 3: *(p3 + 1) = g; *(p3 + 2) = r; } - isuy = false; + p2 += 2; + if (isuy) + isuy = false; + else + isuy = true; p3 += bytesperpixel; } - else - isuy = true; - p2 += 2; } return 0; - } - } - break; - } -case 4: - { - if (false == decimatepixel) { - if (false == byteswaporder) { - /*---------------------------------------------------*/ - /* - ** RGBA - */ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } else - if (0x08 & mask) - ; - } else { - if (true == isuy) - v = *(p2 + 1); + } else { + if (!byteswaporder) { + /* RGB DECIMATED */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; else - u = *(p2 + 1); - } - - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - - if ((true == last) && rump) { - pcache = &peasycap->cache[0]; - switch (bytesperpixel - rump) { - case 1: { - *p3 = r; - *pcache++ = g; - *pcache++ = b; - *pcache++ = 0; - break; - } - case 2: { - *p3 = r; - *(p3 + 1) = g; - *pcache++ = b; - *pcache++ = 0; - break; - } - case 3: { - *p3 = r; - *(p3 + 1) = g; - *(p3 + 2) = b; - *pcache++ = 0; - break; - } - default: { - SAM("MISTAKE: %i=rump\n", \ - bytesperpixel - rump); - return -EFAULT; + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } else + if (0x08 & mask) + ; + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); } + + if (isuy) { + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - + gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { + pcache = &peasycap->cache[0]; + switch (bytesperpixel - rump) { + case 1: { + *p3 = r; + *pcache++ = g; + *pcache++ = b; + break; + } + case 2: { + *p3 = r; + *(p3 + 1) = g; + *pcache++ = b; + break; + } + default: { + SAM("MISTAKE: " + "%i=rump\n", + bytesperpixel - rump); + return -EFAULT; + } + } + } else { + *p3 = r; + *(p3 + 1) = g; + *(p3 + 2) = b; + } + isuy = false; + p3 += bytesperpixel; + } else { + isuy = true; } - } else { - *p3 = r; - *(p3 + 1) = g; - *(p3 + 2) = b; - *(p3 + 3) = 0; + p2 += 2; } - p2 += 2; - if (true == isuy) - isuy = false; - else - isuy = true; - p3 += bytesperpixel; - } - return 0; - } else { - /*---------------------------------------------------*/ - /* - ** BGRA - */ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } else - if (0x08 & mask) - ; - } else { - if (true == isuy) - v = *(p2 + 1); + return 0; + } else { + /* BGR DECIMATED */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; else - u = *(p2 + 1); - } - - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - - if ((true == last) && rump) { - pcache = &peasycap->cache[0]; - switch (bytesperpixel - rump) { - case 1: { - *p3 = b; - *pcache++ = g; - *pcache++ = r; - *pcache++ = 0; - break; - } - case 2: { - *p3 = b; - *(p3 + 1) = g; - *pcache++ = r; - *pcache++ = 0; - break; - } - case 3: { - *p3 = b; - *(p3 + 1) = g; - *(p3 + 2) = r; - *pcache++ = 0; - break; - } - default: { - SAM("MISTAKE: %i=rump\n", \ - bytesperpixel - rump); - return -EFAULT; + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } else + if (0x08 & mask) + ; + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); } + + if (isuy) { + + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - + gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { + pcache = &peasycap->cache[0]; + switch (bytesperpixel - rump) { + case 1: { + *p3 = b; + *pcache++ = g; + *pcache++ = r; + break; + } + case 2: { + *p3 = b; + *(p3 + 1) = g; + *pcache++ = r; + break; + } + default: { + SAM("MISTAKE: " + "%i=rump\n", + bytesperpixel - rump); + return -EFAULT; + } + } + } else { + *p3 = b; + *(p3 + 1) = g; + *(p3 + 2) = r; + } + isuy = false; + p3 += bytesperpixel; + } + else + isuy = true; + p2 += 2; } - } else { - *p3 = b; - *(p3 + 1) = g; - *(p3 + 2) = r; - *(p3 + 3) = 0; + return 0; } - p2 += 2; - if (true == isuy) - isuy = false; - else - isuy = true; - p3 += bytesperpixel; } + break; } - return 0; - } else { - if (false == byteswaporder) { - /*---------------------------------------------------*/ - /* - ** RGBA DECIMATED - */ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } else - if (0x08 & mask) - ; - } else { - if (true == isuy) - v = *(p2 + 1); + case 4: + { + if (!decimatepixel) { + if (!byteswaporder) { + /* RGBA */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; else - u = *(p2 + 1); - } - - if (true == isuy) { - - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - \ - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } else + if (0x08 & mask) + ; + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); + } - if ((true == last) && rump) { + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { pcache = &peasycap->cache[0]; switch (bytesperpixel - rump) { case 1: { @@ -2569,67 +2174,62 @@ case 4: break; } default: { - SAM("MISTAKE: " \ - "%i=rump\n", \ - bytesperpixel - \ - rump); + SAM("MISTAKE: %i=rump\n", + bytesperpixel - rump); return -EFAULT; - } + } } } else { *p3 = r; *(p3 + 1) = g; *(p3 + 2) = b; *(p3 + 3) = 0; - } - isuy = false; - p3 += bytesperpixel; - } else - isuy = true; - p2 += 2; - } - return 0; - } else { - /*---------------------------------------------------*/ - /* - ** BGRA DECIMATED - */ - /*---------------------------------------------------*/ - while (pz > p2) { - if (pr <= (p3 + bytesperpixel)) - last = true; - else - last = false; - y = *p2; - if ((true == last) && (0x0C & mask)) { - if (0x04 & mask) { - if (true == isuy) - v = margin; - else - u = margin; - } else - if (0x08 & mask) - ; - } else { - if (true == isuy) - v = *(p2 + 1); + } + p2 += 2; + if (isuy) + isuy = false; else - u = *(p2 + 1); + isuy = true; + p3 += bytesperpixel; } + return 0; + } else { + /* + * BGRA + */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; + else + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } else + if (0x08 & mask) + ; + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); + } - if (true == isuy) { - s32 = ay[(int)y] + rv[(int)v]; - r = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] - gu[(int)u] - \ - gv[(int)v]; - g = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - s32 = ay[(int)y] + bu[(int)u]; - b = (255 < s32) ? 255 : ((0 > s32) ? \ - 0 : (__u8)s32); - - if ((true == last) && rump) { + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { pcache = &peasycap->cache[0]; switch (bytesperpixel - rump) { case 1: { @@ -2653,157 +2253,322 @@ case 4: *pcache++ = 0; break; } - default: { - SAM("MISTAKE: " \ - "%i=rump\n", \ - bytesperpixel - rump); + default: + SAM("MISTAKE: %i=rump\n", + bytesperpixel - rump); return -EFAULT; } - } } else { *p3 = b; *(p3 + 1) = g; *(p3 + 2) = r; *(p3 + 3) = 0; } - isuy = false; + p2 += 2; + if (isuy) + isuy = false; + else + isuy = true; p3 += bytesperpixel; - } else - isuy = true; + } + } + return 0; + } else { + if (!byteswaporder) { + /* + * RGBA DECIMATED + */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; + else + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } else + if (0x08 & mask) + ; + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); + } + + if (isuy) { + + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - + gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { + pcache = &peasycap->cache[0]; + switch (bytesperpixel - rump) { + case 1: { + *p3 = r; + *pcache++ = g; + *pcache++ = b; + *pcache++ = 0; + break; + } + case 2: { + *p3 = r; + *(p3 + 1) = g; + *pcache++ = b; + *pcache++ = 0; + break; + } + case 3: { + *p3 = r; + *(p3 + 1) = g; + *(p3 + 2) = b; + *pcache++ = 0; + break; + } + default: { + SAM("MISTAKE: " + "%i=rump\n", + bytesperpixel - + rump); + return -EFAULT; + } + } + } else { + *p3 = r; + *(p3 + 1) = g; + *(p3 + 2) = b; + *(p3 + 3) = 0; + } + isuy = false; + p3 += bytesperpixel; + } else + isuy = true; p2 += 2; } return 0; + } else { + /* + * BGRA DECIMATED + */ + while (pz > p2) { + if (pr <= (p3 + bytesperpixel)) + last = true; + else + last = false; + y = *p2; + if (last && (0x0C & mask)) { + if (0x04 & mask) { + if (isuy) + v = margin; + else + u = margin; + } else + if (0x08 & mask) + ; + } else { + if (isuy) + v = *(p2 + 1); + else + u = *(p2 + 1); + } + + if (isuy) { + tmp = ay[(int)y] + rv[(int)v]; + r = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] - gu[(int)u] - + gv[(int)v]; + g = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + tmp = ay[(int)y] + bu[(int)u]; + b = (255 < tmp) ? 255 : ((0 > tmp) ? + 0 : (u8)tmp); + + if (last && rump) { + pcache = &peasycap->cache[0]; + switch (bytesperpixel - rump) { + case 1: { + *p3 = b; + *pcache++ = g; + *pcache++ = r; + *pcache++ = 0; + break; + } + case 2: { + *p3 = b; + *(p3 + 1) = g; + *pcache++ = r; + *pcache++ = 0; + break; + } + case 3: { + *p3 = b; + *(p3 + 1) = g; + *(p3 + 2) = r; + *pcache++ = 0; + break; + } + default: { + SAM("MISTAKE: " + "%i=rump\n", + bytesperpixel - rump); + return -EFAULT; + } + } + } else { + *p3 = b; + *(p3 + 1) = g; + *(p3 + 2) = r; + *(p3 + 3) = 0; + } + isuy = false; + p3 += bytesperpixel; + } else + isuy = true; + p2 += 2; + } + return 0; + } } + break; + } + default: { + SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel); + return -EFAULT; } - break; - } -default: { - SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel); - return -EFAULT; } -} -return 0; + return 0; } /*****************************************************************************/ -/*---------------------------------------------------------------------------*/ /* * SEE CORBET ET AL. "LINUX DEVICE DRIVERS", 3rd EDITION, PAGES 430-434 */ -/*---------------------------------------------------------------------------*/ -int easycap_mmap(struct file *file, struct vm_area_struct *pvma) -{ - -JOT(8, "\n"); - -pvma->vm_ops = &easycap_vm_ops; -pvma->vm_flags |= VM_RESERVED; -if (NULL != file) - pvma->vm_private_data = file->private_data; -easycap_vma_open(pvma); -return 0; -} /*****************************************************************************/ -void -easycap_vma_open(struct vm_area_struct *pvma) +static void easycap_vma_open(struct vm_area_struct *pvma) { -struct easycap *peasycap; + struct easycap *peasycap; -peasycap = pvma->vm_private_data; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); + peasycap = pvma->vm_private_data; + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return; + } + peasycap->vma_many++; + JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many); return; } -peasycap->vma_many++; -JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many); -return; -} /*****************************************************************************/ -void -easycap_vma_close(struct vm_area_struct *pvma) +static void easycap_vma_close(struct vm_area_struct *pvma) { -struct easycap *peasycap; + struct easycap *peasycap; -peasycap = pvma->vm_private_data; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); + peasycap = pvma->vm_private_data; + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return; + } + peasycap->vma_many--; + JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many); return; } -peasycap->vma_many--; -JOT(8, "%i=peasycap->vma_many\n", peasycap->vma_many); -return; -} /*****************************************************************************/ -int -easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf) +static int easycap_vma_fault(struct vm_area_struct *pvma, struct vm_fault *pvmf) { -int k, m, retcode; -void *pbuf; -struct page *page; -struct easycap *peasycap; + int k, m, retcode; + void *pbuf; + struct page *page; + struct easycap *peasycap; -retcode = VM_FAULT_NOPAGE; -pbuf = (void *)NULL; -page = (struct page *)NULL; + retcode = VM_FAULT_NOPAGE; -if (NULL == pvma) { - SAY("pvma is NULL\n"); - return retcode; -} -if (NULL == pvmf) { - SAY("pvmf is NULL\n"); - return retcode; -} + if (!pvma) { + SAY("pvma is NULL\n"); + return retcode; + } + if (!pvmf) { + SAY("pvmf is NULL\n"); + return retcode; + } -k = (pvmf->pgoff) / (FRAME_BUFFER_SIZE/PAGE_SIZE); -m = (pvmf->pgoff) % (FRAME_BUFFER_SIZE/PAGE_SIZE); + k = (pvmf->pgoff) / (FRAME_BUFFER_SIZE/PAGE_SIZE); + m = (pvmf->pgoff) % (FRAME_BUFFER_SIZE/PAGE_SIZE); -if (!m) - JOT(4, "%4i=k, %4i=m\n", k, m); -else - JOT(16, "%4i=k, %4i=m\n", k, m); + if (!m) + JOT(4, "%4i=k, %4i=m\n", k, m); + else + JOT(16, "%4i=k, %4i=m\n", k, m); -if ((0 > k) || (FRAME_BUFFER_MANY <= k)) { - SAY("ERROR: buffer index %i out of range\n", k); - return retcode; -} -if ((0 > m) || (FRAME_BUFFER_SIZE/PAGE_SIZE <= m)) { - SAY("ERROR: page number %i out of range\n", m); - return retcode; -} -peasycap = pvma->vm_private_data; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return retcode; -} + if ((0 > k) || (FRAME_BUFFER_MANY <= k)) { + SAY("ERROR: buffer index %i out of range\n", k); + return retcode; + } + if ((0 > m) || (FRAME_BUFFER_SIZE/PAGE_SIZE <= m)) { + SAY("ERROR: page number %i out of range\n", m); + return retcode; + } + peasycap = pvma->vm_private_data; + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return retcode; + } /*---------------------------------------------------------------------------*/ -pbuf = peasycap->frame_buffer[k][m].pgo; -if (NULL == pbuf) { - SAM("ERROR: pbuf is NULL\n"); - goto finish; -} -page = virt_to_page(pbuf); -if (NULL == page) { - SAM("ERROR: page is NULL\n"); - goto finish; -} -get_page(page); -/*---------------------------------------------------------------------------*/ -finish: -if (NULL == page) { - SAM("ERROR: page is NULL after get_page(page)\n"); -} else { - pvmf->page = page; - retcode = VM_FAULT_MINOR; + pbuf = peasycap->frame_buffer[k][m].pgo; + if (!pbuf) { + SAM("ERROR: pbuf is NULL\n"); + return retcode; + } + page = virt_to_page(pbuf); + if (!page) { + SAM("ERROR: page is NULL\n"); + return retcode; + } + get_page(page); +/*---------------------------------------------------------------------------*/ + if (!page) { + SAM("ERROR: page is NULL after get_page(page)\n"); + } else { + pvmf->page = page; + retcode = VM_FAULT_MINOR; + } + return retcode; } -return retcode; + +static const struct vm_operations_struct easycap_vm_ops = { + .open = easycap_vma_open, + .close = easycap_vma_close, + .fault = easycap_vma_fault, +}; + +static int easycap_mmap(struct file *file, struct vm_area_struct *pvma) +{ + JOT(8, "\n"); + + pvma->vm_ops = &easycap_vm_ops; + pvma->vm_flags |= VM_RESERVED; + if (file) + pvma->vm_private_data = file->private_data; + easycap_vma_open(pvma); + return 0; } /*****************************************************************************/ /*---------------------------------------------------------------------------*/ @@ -2832,291 +2597,128 @@ return retcode; * 0 != (kount & 0x0100) => BUFFER HAS TWO EXTRA BYTES - WHY? */ /*---------------------------------------------------------------------------*/ -void -easycap_complete(struct urb *purb) +static void easycap_complete(struct urb *purb) { -struct easycap *peasycap; -struct data_buffer *pfield_buffer; -char errbuf[16]; -int i, more, much, leap, rc, last; -int videofieldamount; -unsigned int override, bad; -int framestatus, framelength, frameactual, frameoffset; -__u8 *pu; - -if (NULL == purb) { - SAY("ERROR: easycap_complete(): purb is NULL\n"); - return; -} -peasycap = purb->context; -if (NULL == peasycap) { - SAY("ERROR: easycap_complete(): peasycap is NULL\n"); - return; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); - return; -} -if (peasycap->video_eof) - return; -for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++) - if (purb->transfer_buffer == peasycap->video_isoc_buffer[i].pgo) - break; -JOM(16, "%2i=urb\n", i); -last = peasycap->video_isoc_sequence; -if ((((VIDEO_ISOC_BUFFER_MANY - 1) == last) && \ - (0 != i)) || \ - (((VIDEO_ISOC_BUFFER_MANY - 1) != last) && \ - ((last + 1) != i))) { - JOM(16, "ERROR: out-of-order urbs %i,%i ... continuing\n", last, i); -} -peasycap->video_isoc_sequence = i; + struct easycap *peasycap; + struct data_buffer *pfield_buffer; + char errbuf[16]; + int i, more, much, leap, rc, last; + int videofieldamount; + unsigned int override, bad; + int framestatus, framelength, frameactual, frameoffset; + u8 *pu; + + if (!purb) { + SAY("ERROR: easycap_complete(): purb is NULL\n"); + return; + } + peasycap = purb->context; + if (!peasycap) { + SAY("ERROR: easycap_complete(): peasycap is NULL\n"); + return; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return; + } + if (peasycap->video_eof) + return; + for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++) + if (purb->transfer_buffer == peasycap->video_isoc_buffer[i].pgo) + break; + JOM(16, "%2i=urb\n", i); + last = peasycap->video_isoc_sequence; + if ((((VIDEO_ISOC_BUFFER_MANY - 1) == last) && (0 != i)) || + (((VIDEO_ISOC_BUFFER_MANY - 1) != last) && ((last + 1) != i))) { + JOM(16, "ERROR: out-of-order urbs %i,%i ... continuing\n", + last, i); + } + peasycap->video_isoc_sequence = i; -if (peasycap->video_idle) { - JOM(16, "%i=video_idle %i=video_isoc_streaming\n", \ - peasycap->video_idle, peasycap->video_isoc_streaming); - if (peasycap->video_isoc_streaming) { - rc = usb_submit_urb(purb, GFP_ATOMIC); - if (0 != rc) { - switch (rc) { - case -ENOMEM: { - SAM("ENOMEM\n"); - break; - } - case -ENODEV: { - SAM("ENODEV\n"); - break; - } - case -ENXIO: { - SAM("ENXIO\n"); - break; - } - case -EINVAL: { - SAM("EINVAL\n"); - break; - } - case -EAGAIN: { - SAM("EAGAIN\n"); - break; - } - case -EFBIG: { - SAM("EFBIG\n"); - break; - } - case -EPIPE: { - SAM("EPIPE\n"); - break; - } - case -EMSGSIZE: { - SAM("EMSGSIZE\n"); - break; - } - case -ENOSPC: { - SAM("ENOSPC\n"); - break; - } - default: { - SAM("0x%08X\n", rc); - break; - } + if (peasycap->video_idle) { + JOM(16, "%i=video_idle %i=video_isoc_streaming\n", + peasycap->video_idle, peasycap->video_isoc_streaming); + if (peasycap->video_isoc_streaming) { + rc = usb_submit_urb(purb, GFP_ATOMIC); + if (rc) { + SAM("%s:%d ENOMEM\n", strerror(rc), rc); + if (-ENODEV != rc) + SAM("ERROR: while %i=video_idle, " + "usb_submit_urb() " + "failed with rc:\n", + peasycap->video_idle); } - if (-ENODEV != rc) \ - SAM("ERROR: while %i=video_idle, " \ - "usb_submit_urb() " \ - "failed with rc:\n", \ - peasycap->video_idle); } + return; } -return; -} -override = 0; + override = 0; /*---------------------------------------------------------------------------*/ -if (FIELD_BUFFER_MANY <= peasycap->field_fill) { - SAM("ERROR: bad peasycap->field_fill\n"); - return; -} -if (purb->status) { - if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) { - JOM(8, "urb status -ESHUTDOWN or -ENOENT\n"); + if (FIELD_BUFFER_MANY <= peasycap->field_fill) { + SAM("ERROR: bad peasycap->field_fill\n"); return; } + if (purb->status) { + if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) { + JOM(8, "urb status -ESHUTDOWN or -ENOENT\n"); + return; + } - (peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ; - SAM("ERROR: bad urb status:\n"); - switch (purb->status) { - case -EINPROGRESS: { - SAM("-EINPROGRESS\n"); break; - } - case -ENOSR: { - SAM("-ENOSR\n"); break; - } - case -EPIPE: { - SAM("-EPIPE\n"); break; - } - case -EOVERFLOW: { - SAM("-EOVERFLOW\n"); break; - } - case -EPROTO: { - SAM("-EPROTO\n"); break; - } - case -EILSEQ: { - SAM("-EILSEQ\n"); break; - } - case -ETIMEDOUT: { - SAM("-ETIMEDOUT\n"); break; - } - case -EMSGSIZE: { - SAM("-EMSGSIZE\n"); break; - } - case -EOPNOTSUPP: { - SAM("-EOPNOTSUPP\n"); break; - } - case -EPFNOSUPPORT: { - SAM("-EPFNOSUPPORT\n"); break; - } - case -EAFNOSUPPORT: { - SAM("-EAFNOSUPPORT\n"); break; - } - case -EADDRINUSE: { - SAM("-EADDRINUSE\n"); break; - } - case -EADDRNOTAVAIL: { - SAM("-EADDRNOTAVAIL\n"); break; - } - case -ENOBUFS: { - SAM("-ENOBUFS\n"); break; - } - case -EISCONN: { - SAM("-EISCONN\n"); break; - } - case -ENOTCONN: { - SAM("-ENOTCONN\n"); break; - } - case -ESHUTDOWN: { - SAM("-ESHUTDOWN\n"); break; - } - case -ENOENT: { - SAM("-ENOENT\n"); break; - } - case -ECONNRESET: { - SAM("-ECONNRESET\n"); break; - } - case -ENOSPC: { - SAM("ENOSPC\n"); break; - } - default: { - SAM("unknown error code 0x%08X\n", purb->status); break; - } - } + (peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ; + SAM("ERROR: bad urb status -%s: %d\n", + strerror(purb->status), purb->status); /*---------------------------------------------------------------------------*/ -} else { - for (i = 0; i < purb->number_of_packets; i++) { - if (0 != purb->iso_frame_desc[i].status) { - (peasycap->field_buffer\ - [peasycap->field_fill][0].kount) |= 0x8000 ; - switch (purb->iso_frame_desc[i].status) { - case 0: { - strcpy(&errbuf[0], "OK"); break; - } - case -ENOENT: { - strcpy(&errbuf[0], "-ENOENT"); break; - } - case -EINPROGRESS: { - strcpy(&errbuf[0], "-EINPROGRESS"); break; - } - case -EPROTO: { - strcpy(&errbuf[0], "-EPROTO"); break; - } - case -EILSEQ: { - strcpy(&errbuf[0], "-EILSEQ"); break; - } - case -ETIME: { - strcpy(&errbuf[0], "-ETIME"); break; - } - case -ETIMEDOUT: { - strcpy(&errbuf[0], "-ETIMEDOUT"); break; - } - case -EPIPE: { - strcpy(&errbuf[0], "-EPIPE"); break; - } - case -ECOMM: { - strcpy(&errbuf[0], "-ECOMM"); break; - } - case -ENOSR: { - strcpy(&errbuf[0], "-ENOSR"); break; - } - case -EOVERFLOW: { - strcpy(&errbuf[0], "-EOVERFLOW"); break; - } - case -EREMOTEIO: { - strcpy(&errbuf[0], "-EREMOTEIO"); break; - } - case -ENODEV: { - strcpy(&errbuf[0], "-ENODEV"); break; - } - case -EXDEV: { - strcpy(&errbuf[0], "-EXDEV"); break; - } - case -EINVAL: { - strcpy(&errbuf[0], "-EINVAL"); break; - } - case -ECONNRESET: { - strcpy(&errbuf[0], "-ECONNRESET"); break; - } - case -ENOSPC: { - SAM("ENOSPC\n"); break; - } - case -ESHUTDOWN: { - strcpy(&errbuf[0], "-ESHUTDOWN"); break; - } - default: { - strcpy(&errbuf[0], "unknown error"); break; - } - } - } - framestatus = purb->iso_frame_desc[i].status; - framelength = purb->iso_frame_desc[i].length; - frameactual = purb->iso_frame_desc[i].actual_length; - frameoffset = purb->iso_frame_desc[i].offset; - - JOM(16, "frame[%2i]:" \ - "%4i=status " \ - "%4i=actual " \ - "%4i=length " \ - "%5i=offset\n", \ - i, framestatus, frameactual, framelength, frameoffset); - if (!purb->iso_frame_desc[i].status) { - more = purb->iso_frame_desc[i].actual_length; - pfield_buffer = &peasycap->field_buffer\ - [peasycap->field_fill][peasycap->field_page]; - videofieldamount = (peasycap->field_page * \ - PAGE_SIZE) + \ - (int)(pfield_buffer->pto - pfield_buffer->pgo); - if (4 == more) - peasycap->video_mt++; - if (4 < more) { - if (peasycap->video_mt) { - JOM(8, "%4i empty video urb frames\n", \ - peasycap->video_mt); - peasycap->video_mt = 0; - } - if (FIELD_BUFFER_MANY <= peasycap->field_fill) { - SAM("ERROR: bad peasycap->field_fill\n"); - return; - } - if (FIELD_BUFFER_SIZE/PAGE_SIZE <= \ - peasycap->field_page) { - SAM("ERROR: bad peasycap->field_page\n"); - return; + } else { + for (i = 0; i < purb->number_of_packets; i++) { + if (0 != purb->iso_frame_desc[i].status) { + (peasycap->field_buffer + [peasycap->field_fill][0].kount) |= 0x8000 ; + /* FIXME: 1. missing '-' check boundaries */ + strcpy(&errbuf[0], + strerror(purb->iso_frame_desc[i].status)); } - pfield_buffer = &peasycap->field_buffer\ - [peasycap->field_fill][peasycap->field_page]; - pu = (__u8 *)(purb->transfer_buffer + \ - purb->iso_frame_desc[i].offset); - if (0x80 & *pu) - leap = 8; - else - leap = 4; + framestatus = purb->iso_frame_desc[i].status; + framelength = purb->iso_frame_desc[i].length; + frameactual = purb->iso_frame_desc[i].actual_length; + frameoffset = purb->iso_frame_desc[i].offset; + + JOM(16, "frame[%2i]:" + "%4i=status " + "%4i=actual " + "%4i=length " + "%5i=offset\n", + i, framestatus, frameactual, framelength, frameoffset); + if (!purb->iso_frame_desc[i].status) { + more = purb->iso_frame_desc[i].actual_length; + pfield_buffer = &peasycap->field_buffer + [peasycap->field_fill][peasycap->field_page]; + videofieldamount = (peasycap->field_page * + PAGE_SIZE) + + (int)(pfield_buffer->pto - pfield_buffer->pgo); + if (4 == more) + peasycap->video_mt++; + if (4 < more) { + if (peasycap->video_mt) { + JOM(8, "%4i empty video urb frames\n", + peasycap->video_mt); + peasycap->video_mt = 0; + } + if (FIELD_BUFFER_MANY <= peasycap->field_fill) { + SAM("ERROR: bad peasycap->field_fill\n"); + return; + } + if (FIELD_BUFFER_SIZE/PAGE_SIZE <= + peasycap->field_page) { + SAM("ERROR: bad peasycap->field_page\n"); + return; + } + pfield_buffer = &peasycap->field_buffer + [peasycap->field_fill][peasycap->field_page]; + pu = (u8 *)(purb->transfer_buffer + + purb->iso_frame_desc[i].offset); + if (0x80 & *pu) + leap = 8; + else + leap = 4; /*--------------------------------------------------------------------------*/ /* * EIGHT-BYTE END-OF-VIDEOFIELD MARKER. @@ -3134,196 +2736,195 @@ if (purb->status) { * RESTS WITH dqbuf(). */ /*---------------------------------------------------------------------------*/ - if ((8 == more) || override) { - if (videofieldamount > \ - peasycap->videofieldamount) { - if (2 == videofieldamount - \ - peasycap->\ - videofieldamount) { - (peasycap->field_buffer\ - [peasycap->field_fill]\ - [0].kount) |= 0x0100; - peasycap->video_junk += (1 + \ - VIDEO_JUNK_TOLERATE); - } else - (peasycap->field_buffer\ - [peasycap->field_fill]\ - [0].kount) |= 0x4000; - } else if (videofieldamount < \ - peasycap->\ - videofieldamount) { - (peasycap->field_buffer\ - [peasycap->field_fill]\ - [0].kount) |= 0x2000; - } - bad = 0xFF00 & peasycap->field_buffer\ - [peasycap->field_fill]\ - [0].kount; - if (!bad) { - (peasycap->video_junk)--; - if (-VIDEO_JUNK_TOLERATE > \ - peasycap->video_junk) \ - peasycap->video_junk =\ - -VIDEO_JUNK_TOLERATE; - peasycap->field_read = \ - (peasycap->\ - field_fill)++; - if (FIELD_BUFFER_MANY <= \ - peasycap->\ - field_fill) - peasycap->\ - field_fill = 0; + if ((8 == more) || override) { + if (videofieldamount > + peasycap->videofieldamount) { + if (2 == videofieldamount - + peasycap-> + videofieldamount) { + (peasycap->field_buffer + [peasycap->field_fill] + [0].kount) |= 0x0100; + peasycap->video_junk += (1 + + VIDEO_JUNK_TOLERATE); + } else + (peasycap->field_buffer + [peasycap->field_fill] + [0].kount) |= 0x4000; + } else if (videofieldamount < + peasycap-> + videofieldamount) { + (peasycap->field_buffer + [peasycap->field_fill] + [0].kount) |= 0x2000; + } + bad = 0xFF00 & peasycap->field_buffer + [peasycap->field_fill] + [0].kount; + if (!bad) { + (peasycap->video_junk)--; + if (-VIDEO_JUNK_TOLERATE > + peasycap->video_junk) + peasycap->video_junk = + -VIDEO_JUNK_TOLERATE; + peasycap->field_read = + (peasycap-> + field_fill)++; + if (FIELD_BUFFER_MANY <= + peasycap-> + field_fill) + peasycap-> + field_fill = 0; + peasycap->field_page = 0; + pfield_buffer = &peasycap-> + field_buffer + [peasycap-> + field_fill] + [peasycap-> + field_page]; + pfield_buffer->pto = + pfield_buffer->pgo; + JOM(8, "bumped to: %i=" + "peasycap->" + "field_fill %i=" + "parity\n", + peasycap->field_fill, + 0x00FF & + pfield_buffer->kount); + JOM(8, "field buffer %i has " + "%i bytes fit to be " + "read\n", + peasycap->field_read, + videofieldamount); + JOM(8, "wakeup call to " + "wq_video, " + "%i=field_read " + "%i=field_fill " + "%i=parity\n", + peasycap->field_read, + peasycap->field_fill, + 0x00FF & peasycap-> + field_buffer + [peasycap-> + field_read][0].kount); + wake_up_interruptible + (&(peasycap-> + wq_video)); + do_gettimeofday + (&peasycap->timeval7); + } else { + peasycap->video_junk++; + if (bad & 0x0010) + peasycap->video_junk += + (1 + VIDEO_JUNK_TOLERATE/2); + JOM(8, "field buffer %i had %i " + "bytes, now discarded: " + "0x%04X\n", + peasycap->field_fill, + videofieldamount, + (0xFF00 & + peasycap->field_buffer + [peasycap->field_fill][0]. + kount)); + (peasycap->field_fill)++; + + if (FIELD_BUFFER_MANY <= + peasycap->field_fill) + peasycap->field_fill = 0; peasycap->field_page = 0; - pfield_buffer = &peasycap->\ - field_buffer\ - [peasycap->\ - field_fill]\ - [peasycap->\ - field_page]; - pfield_buffer->pto = \ - pfield_buffer->pgo; - JOM(8, "bumped to: %i="\ - "peasycap->" \ - "field_fill %i="\ - "parity\n", \ - peasycap->field_fill, \ - 0x00FF & \ - pfield_buffer->kount); - JOM(8, "field buffer %i has "\ - "%i bytes fit to be "\ - "read\n", \ - peasycap->field_read, \ - videofieldamount); - JOM(8, "wakeup call to "\ - "wq_video, " \ - "%i=field_read "\ - "%i=field_fill "\ - "%i=parity\n", \ - peasycap->field_read, \ - peasycap->field_fill, \ - 0x00FF & peasycap->\ - field_buffer\ - [peasycap->\ - field_read][0].kount); - wake_up_interruptible\ - (&(peasycap->\ - wq_video)); - do_gettimeofday\ - (&peasycap->timeval7); - } else { - peasycap->video_junk++; - if (bad & 0x0010) \ - peasycap->video_junk += \ - (1 + VIDEO_JUNK_TOLERATE/2); - JOM(8, "field buffer %i had %i " \ - "bytes, now discarded: "\ - "0x%04X\n", \ - peasycap->field_fill, \ - videofieldamount,\ - (0xFF00 & \ - peasycap->field_buffer\ - [peasycap->field_fill][0].\ - kount)); - (peasycap->field_fill)++; - - if (FIELD_BUFFER_MANY <= \ - peasycap->field_fill) - peasycap->field_fill = 0; - peasycap->field_page = 0; - pfield_buffer = \ - &peasycap->field_buffer\ - [peasycap->field_fill]\ - [peasycap->field_page]; - pfield_buffer->pto = \ - pfield_buffer->pgo; - - JOM(8, "bumped to: %i=peasycap->" \ - "field_fill %i=parity\n", \ - peasycap->field_fill, \ - 0x00FF & pfield_buffer->kount); - } - if (8 == more) { - JOM(8, "end-of-field: received " \ - "parity byte 0x%02X\n", \ - (0xFF & *pu)); - if (0x40 & *pu) - pfield_buffer->kount = 0x0000; - else - pfield_buffer->kount = 0x0001; - pfield_buffer->input = 0x08 | \ - (0x07 & peasycap->input); - JOM(8, "end-of-field: 0x%02X=kount\n",\ - 0xFF & pfield_buffer->kount); + pfield_buffer = + &peasycap->field_buffer + [peasycap->field_fill] + [peasycap->field_page]; + pfield_buffer->pto = + pfield_buffer->pgo; + + JOM(8, "bumped to: %i=peasycap->" + "field_fill %i=parity\n", + peasycap->field_fill, + 0x00FF & pfield_buffer->kount); + } + if (8 == more) { + JOM(8, "end-of-field: received " + "parity byte 0x%02X\n", + (0xFF & *pu)); + if (0x40 & *pu) + pfield_buffer->kount = 0x0000; + else + pfield_buffer->kount = 0x0001; + pfield_buffer->input = 0x08 | + (0x07 & peasycap->input); + JOM(8, "end-of-field: 0x%02X=kount\n", + 0xFF & pfield_buffer->kount); + } } - } /*---------------------------------------------------------------------------*/ /* * COPY more BYTES FROM ISOC BUFFER TO FIELD BUFFER */ /*---------------------------------------------------------------------------*/ - pu += leap; - more -= leap; + pu += leap; + more -= leap; - if (FIELD_BUFFER_MANY <= peasycap->field_fill) { - SAM("ERROR: bad peasycap->field_fill\n"); - return; - } - if (FIELD_BUFFER_SIZE/PAGE_SIZE <= \ - peasycap->field_page) { - SAM("ERROR: bad peasycap->field_page\n"); - return; - } - pfield_buffer = &peasycap->field_buffer\ - [peasycap->field_fill][peasycap->field_page]; - while (more) { - pfield_buffer = &peasycap->field_buffer\ - [peasycap->field_fill]\ - [peasycap->field_page]; - if (PAGE_SIZE < (pfield_buffer->pto - \ - pfield_buffer->pgo)) { - SAM("ERROR: bad pfield_buffer->pto\n"); + if (FIELD_BUFFER_MANY <= peasycap->field_fill) { + SAM("ERROR: bad peasycap->field_fill\n"); return; } - if (PAGE_SIZE == (pfield_buffer->pto - \ - pfield_buffer->pgo)) { - (peasycap->field_page)++; - if (FIELD_BUFFER_SIZE/PAGE_SIZE <= \ - peasycap->field_page) { - JOM(16, "wrapping peasycap->" \ - "field_page\n"); - peasycap->field_page = 0; - } - pfield_buffer = &peasycap->\ - field_buffer\ - [peasycap->field_fill]\ - [peasycap->field_page]; - pfield_buffer->pto = \ - pfield_buffer->pgo; - pfield_buffer->input = 0x08 | \ - (0x07 & peasycap->input); - if ((peasycap->field_buffer[peasycap->\ - field_fill][0]).\ - input != \ - pfield_buffer->input) - (peasycap->field_buffer\ - [peasycap->field_fill]\ - [0]).kount |= 0x1000; + if (FIELD_BUFFER_SIZE/PAGE_SIZE <= peasycap->field_page) { + SAM("ERROR: bad peasycap->field_page\n"); + return; } + pfield_buffer = &peasycap->field_buffer + [peasycap->field_fill][peasycap->field_page]; + while (more) { + pfield_buffer = &peasycap->field_buffer + [peasycap->field_fill] + [peasycap->field_page]; + if (PAGE_SIZE < (pfield_buffer->pto - + pfield_buffer->pgo)) { + SAM("ERROR: bad pfield_buffer->pto\n"); + return; + } + if (PAGE_SIZE == (pfield_buffer->pto - + pfield_buffer->pgo)) { + (peasycap->field_page)++; + if (FIELD_BUFFER_SIZE/PAGE_SIZE <= + peasycap->field_page) { + JOM(16, "wrapping peasycap->" + "field_page\n"); + peasycap->field_page = 0; + } + pfield_buffer = &peasycap-> + field_buffer + [peasycap->field_fill] + [peasycap->field_page]; + pfield_buffer->pto = pfield_buffer->pgo; + pfield_buffer->input = 0x08 | + (0x07 & peasycap->input); + if ((peasycap->field_buffer[peasycap-> + field_fill][0]). + input != + pfield_buffer->input) + (peasycap->field_buffer + [peasycap->field_fill] + [0]).kount |= 0x1000; + } - much = PAGE_SIZE - (int)(pfield_buffer->pto - \ + much = PAGE_SIZE - + (int)(pfield_buffer->pto - pfield_buffer->pgo); - if (much > more) - much = more; - memcpy(pfield_buffer->pto, pu, much); - pu += much; - (pfield_buffer->pto) += much; - more -= much; + if (much > more) + much = more; + memcpy(pfield_buffer->pto, pu, much); + pu += much; + (pfield_buffer->pto) += much; + more -= much; + } } } } } -} /*---------------------------------------------------------------------------*/ /* * RESUBMIT THIS URB, UNLESS A SEVERE PERSISTENT ERROR CONDITION EXISTS. @@ -3332,218 +2933,130 @@ if (purb->status) { * THE USERSPACE PROGRAM, E.G. mplayer, MAY HANG ON EXIT. BEWARE. */ /*---------------------------------------------------------------------------*/ -if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) { - SAM("easycap driver shutting down on condition green\n"); - peasycap->status = 1; - peasycap->video_eof = 1; - peasycap->video_junk = 0; - wake_up_interruptible(&peasycap->wq_video); + if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) { + SAM("easycap driver shutting down on condition green\n"); + peasycap->status = 1; + peasycap->video_eof = 1; + peasycap->video_junk = 0; + wake_up_interruptible(&peasycap->wq_video); #if !defined(PERSEVERE) - peasycap->audio_eof = 1; - wake_up_interruptible(&peasycap->wq_audio); + peasycap->audio_eof = 1; + wake_up_interruptible(&peasycap->wq_audio); #endif /*PERSEVERE*/ - return; -} -if (peasycap->video_isoc_streaming) { - rc = usb_submit_urb(purb, GFP_ATOMIC); - if (0 != rc) { - switch (rc) { - case -ENOMEM: { - SAM("ENOMEM\n"); break; - } - case -ENODEV: { - SAM("ENODEV\n"); break; - } - case -ENXIO: { - SAM("ENXIO\n"); break; - } - case -EINVAL: { - SAM("EINVAL\n"); break; - } - case -EAGAIN: { - SAM("EAGAIN\n"); break; - } - case -EFBIG: { - SAM("EFBIG\n"); break; - } - case -EPIPE: { - SAM("EPIPE\n"); break; - } - case -EMSGSIZE: { - SAM("EMSGSIZE\n"); break; - } - case -ENOSPC: { - SAM("ENOSPC\n"); break; - } - default: { - SAM("0x%08X\n", rc); break; - } + return; + } + if (peasycap->video_isoc_streaming) { + rc = usb_submit_urb(purb, GFP_ATOMIC); + if (rc) { + SAM("%s: %d\n", strerror(rc), rc); + if (-ENODEV != rc) + SAM("ERROR: while %i=video_idle, " + "usb_submit_urb() " + "failed with rc:\n", + peasycap->video_idle); } - if (-ENODEV != rc) \ - SAM("ERROR: while %i=video_idle, " \ - "usb_submit_urb() " \ - "failed with rc:\n", \ - peasycap->video_idle); } + return; } -return; -} +static const struct file_operations easycap_fops = { + .owner = THIS_MODULE, + .open = easycap_open, + .unlocked_ioctl = easycap_unlocked_ioctl, + .poll = easycap_poll, + .mmap = easycap_mmap, + .llseek = no_llseek, +}; +static const struct usb_class_driver easycap_class = { + .name = "usb/easycap%d", + .fops = &easycap_fops, + .minor_base = USB_SKEL_MINOR_BASE, +}; +/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ +static const struct v4l2_file_operations v4l2_fops = { + .owner = THIS_MODULE, + .open = easycap_open_noinode, + .unlocked_ioctl = easycap_unlocked_ioctl, + .poll = easycap_poll, + .mmap = easycap_mmap, +}; /*****************************************************************************/ /*---------------------------------------------------------------------------*/ /* - * - * FIXME - * - * - * THIS FUNCTION ASSUMES THAT, ON EACH AND EVERY OCCASION THAT THE EasyCAP - * IS PHYSICALLY PLUGGED IN, INTERFACE 0 IS PROBED FIRST. - * IF THIS IS NOT TRUE, THERE IS THE POSSIBILITY OF AN Oops. - * - * THIS HAS NEVER BEEN A PROBLEM IN PRACTICE, BUT SOMETHING SEEMS WRONG HERE. + * WHEN THE EasyCAP IS PHYSICALLY PLUGGED IN, THIS FUNCTION IS CALLED THREE + * TIMES, ONCE FOR EACH OF THE THREE INTERFACES. BEWARE. */ /*---------------------------------------------------------------------------*/ -int -easycap_usb_probe(struct usb_interface *pusb_interface, \ - const struct usb_device_id *id) +static int easycap_usb_probe(struct usb_interface *pusb_interface, + const struct usb_device_id *pusb_device_id) { -struct usb_device *pusb_device, *pusb_device1; -struct usb_host_interface *pusb_host_interface; -struct usb_endpoint_descriptor *pepd; -struct usb_interface_descriptor *pusb_interface_descriptor; -struct usb_interface_assoc_descriptor *pusb_interface_assoc_descriptor; -struct urb *purb; -struct easycap *peasycap; -struct data_urb *pdata_urb; -size_t wMaxPacketSize; -int ISOCwMaxPacketSize; -int BULKwMaxPacketSize; -int INTwMaxPacketSize; -int CTRLwMaxPacketSize; -__u8 bEndpointAddress; -__u8 ISOCbEndpointAddress; -__u8 INTbEndpointAddress; -int isin, i, j, k, m, rc; -__u8 bInterfaceNumber; -__u8 bInterfaceClass; -__u8 bInterfaceSubClass; -void *pbuf; -int okalt[8], isokalt; -int okepn[8]; -int okmps[8]; -int maxpacketsize; -__u16 mask; -__s32 value; -struct easycap_format *peasycap_format; - -JOT(4, "\n"); - -if (!dongle_done) { - dongle_done = 1; - for (k = 0; k < DONGLE_MANY; k++) { - easycap_dongle[k].peasycap = (struct easycap *)NULL; - mutex_init(&easycap_dongle[k].mutex_video); - mutex_init(&easycap_dongle[k].mutex_audio); - } -} + struct usb_device *pusb_device; + struct usb_host_interface *pusb_host_interface; + struct usb_endpoint_descriptor *pepd; + struct usb_interface_descriptor *pusb_interface_descriptor; + struct urb *purb; + struct easycap *peasycap; + int ndong; + struct data_urb *pdata_urb; + size_t wMaxPacketSize; + int ISOCwMaxPacketSize; + int BULKwMaxPacketSize; + int INTwMaxPacketSize; + int CTRLwMaxPacketSize; + u8 bEndpointAddress; + u8 ISOCbEndpointAddress; + u8 INTbEndpointAddress; + int isin, i, j, k, m, rc; + u8 bInterfaceNumber; + u8 bInterfaceClass; + u8 bInterfaceSubClass; + void *pbuf; + int okalt[8], isokalt; + int okepn[8]; + int okmps[8]; + int maxpacketsize; + u16 mask; + s32 value; + struct easycap_format *peasycap_format; + int fmtidx; + struct inputset *inputset; + struct v4l2_device *pv4l2_device; -peasycap = (struct easycap *)NULL; - -if ((struct usb_interface *)NULL == pusb_interface) { - SAY("ERROR: pusb_interface is NULL\n"); - return -EFAULT; -} /*---------------------------------------------------------------------------*/ /* * GET POINTER TO STRUCTURE usb_device */ /*---------------------------------------------------------------------------*/ -pusb_device1 = container_of(pusb_interface->dev.parent, \ - struct usb_device, dev); -if ((struct usb_device *)NULL == pusb_device1) { - SAY("ERROR: pusb_device1 is NULL\n"); - return -EFAULT; -} -pusb_device = usb_get_dev(pusb_device1); -if ((struct usb_device *)NULL == pusb_device) { - SAY("ERROR: pusb_device is NULL\n"); - return -EFAULT; -} -if ((unsigned long int)pusb_device1 != (unsigned long int)pusb_device) { - JOT(4, "ERROR: pusb_device1 != pusb_device\n"); - return -EFAULT; -} - -JOT(4, "bNumConfigurations=%i\n", pusb_device->descriptor.bNumConfigurations); + pusb_device = interface_to_usbdev(pusb_interface); + JOT(4, "bNumConfigurations=%i\n", pusb_device->descriptor.bNumConfigurations); /*---------------------------------------------------------------------------*/ -pusb_host_interface = pusb_interface->cur_altsetting; -if (NULL == pusb_host_interface) { - SAY("ERROR: pusb_host_interface is NULL\n"); - return -EFAULT; -} -pusb_interface_descriptor = &(pusb_host_interface->desc); -if (NULL == pusb_interface_descriptor) { - SAY("ERROR: pusb_interface_descriptor is NULL\n"); - return -EFAULT; -} + pusb_host_interface = pusb_interface->cur_altsetting; + if (!pusb_host_interface) { + SAY("ERROR: pusb_host_interface is NULL\n"); + return -EFAULT; + } + pusb_interface_descriptor = &(pusb_host_interface->desc); + if (!pusb_interface_descriptor) { + SAY("ERROR: pusb_interface_descriptor is NULL\n"); + return -EFAULT; + } /*---------------------------------------------------------------------------*/ /* * GET PROPERTIES OF PROBED INTERFACE */ /*---------------------------------------------------------------------------*/ -bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber; -bInterfaceClass = pusb_interface_descriptor->bInterfaceClass; -bInterfaceSubClass = pusb_interface_descriptor->bInterfaceSubClass; + bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber; + bInterfaceClass = pusb_interface_descriptor->bInterfaceClass; + bInterfaceSubClass = pusb_interface_descriptor->bInterfaceSubClass; -JOT(4, "intf[%i]: pusb_interface->num_altsetting=%i\n", \ + JOT(4, "intf[%i]: num_altsetting=%i\n", bInterfaceNumber, pusb_interface->num_altsetting); -JOT(4, "intf[%i]: pusb_interface->cur_altsetting - " \ - "pusb_interface->altsetting=%li\n", bInterfaceNumber, \ - (long int)(pusb_interface->cur_altsetting - \ - pusb_interface->altsetting)); -switch (bInterfaceClass) { -case USB_CLASS_AUDIO: { - JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_AUDIO\n", \ - bInterfaceNumber, bInterfaceClass); break; - } -case USB_CLASS_VIDEO: { - JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_VIDEO\n", \ - bInterfaceNumber, bInterfaceClass); break; - } -case USB_CLASS_VENDOR_SPEC: { - JOT(4, "intf[%i]: bInterfaceClass=0x%02X=USB_CLASS_VENDOR_SPEC\n", \ - bInterfaceNumber, bInterfaceClass); break; - } -default: - break; -} -switch (bInterfaceSubClass) { -case 0x01: { - JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=AUDIOCONTROL\n", \ - bInterfaceNumber, bInterfaceSubClass); break; -} -case 0x02: { - JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=AUDIOSTREAMING\n", \ - bInterfaceNumber, bInterfaceSubClass); break; -} -case 0x03: { - JOT(4, "intf[%i]: bInterfaceSubClass=0x%02X=MIDISTREAMING\n", \ - bInterfaceNumber, bInterfaceSubClass); break; -} -default: - break; -} -/*---------------------------------------------------------------------------*/ -pusb_interface_assoc_descriptor = pusb_interface->intf_assoc; -if (NULL != pusb_interface_assoc_descriptor) { - JOT(4, "intf[%i]: bFirstInterface=0x%02X bInterfaceCount=0x%02X\n", \ - bInterfaceNumber, \ - pusb_interface_assoc_descriptor->bFirstInterface, \ - pusb_interface_assoc_descriptor->bInterfaceCount); -} else { -JOT(4, "intf[%i]: pusb_interface_assoc_descriptor is NULL\n", \ - bInterfaceNumber); -} + JOT(4, "intf[%i]: cur_altsetting - altsetting=%li\n", + bInterfaceNumber, + (long int)(pusb_interface->cur_altsetting - + pusb_interface->altsetting)); + JOT(4, "intf[%i]: bInterfaceClass=0x%02X bInterfaceSubClass=0x%02X\n", + bInterfaceNumber, bInterfaceClass, bInterfaceSubClass); /*---------------------------------------------------------------------------*/ /* * A NEW struct easycap IS ALWAYS ALLOCATED WHEN INTERFACE 0 IS PROBED. @@ -3553,788 +3066,785 @@ JOT(4, "intf[%i]: pusb_interface_assoc_descriptor is NULL\n", \ * * THE POINTER peasycap TO THE struct easycap IS REMEMBERED WHEN * INTERFACES 1 AND 2 ARE PROBED. - * - * IF TWO EasyCAPs ARE PLUGGED IN NEARLY SIMULTANEOUSLY THERE WILL - * BE TROUBLE. BEWARE. */ /*---------------------------------------------------------------------------*/ -if (0 == bInterfaceNumber) { - peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL); - if (NULL == peasycap) { - SAY("ERROR: Could not allocate peasycap\n"); - return -ENOMEM; - } - SAM("allocated 0x%08lX=peasycap\n", (unsigned long int) peasycap); -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) - SAM("where 0x%08lX=&peasycap->video_device\n", \ - (unsigned long int) &peasycap->video_device); -#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) - SAM("and 0x%08lX=&peasycap->v4l2_device\n", \ - (unsigned long int) &peasycap->v4l2_device); -#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + if (0 == bInterfaceNumber) { + peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL); + if (!peasycap) { + SAY("ERROR: Could not allocate peasycap\n"); + return -ENOMEM; + } /*---------------------------------------------------------------------------*/ /* * PERFORM URGENT INTIALIZATIONS ... */ /*---------------------------------------------------------------------------*/ - strcpy(&peasycap->telltale[0], TELLTALE); - kref_init(&peasycap->kref); - JOM(8, "intf[%i]: after kref_init(..._video) " \ - "%i=peasycap->kref.refcount.counter\n", \ - bInterfaceNumber, peasycap->kref.refcount.counter); - - init_waitqueue_head(&peasycap->wq_video); - init_waitqueue_head(&peasycap->wq_audio); - - for (dongle_this = 0; dongle_this < DONGLE_MANY; dongle_this++) { - if (NULL == easycap_dongle[dongle_this].peasycap) { - if (0 == mutex_is_locked(&easycap_dongle\ - [dongle_this].mutex_video)) { - if (0 == mutex_is_locked(&easycap_dongle\ - [dongle_this].mutex_audio)) { - easycap_dongle\ - [dongle_this].peasycap = \ - peasycap; - JOM(8, "intf[%i]: peasycap-->easycap" \ - "_dongle[%i].peasycap\n", \ - bInterfaceNumber, dongle_this); + peasycap->minor = -1; + strcpy(&peasycap->telltale[0], TELLTALE); + kref_init(&peasycap->kref); + JOM(8, "intf[%i]: after kref_init(..._video) " + "%i=peasycap->kref.refcount.counter\n", + bInterfaceNumber, peasycap->kref.refcount.counter); + + /* module params */ + peasycap->gain = (s8)clamp(easycap_gain, 0, 31); + + init_waitqueue_head(&peasycap->wq_video); + init_waitqueue_head(&peasycap->wq_audio); + init_waitqueue_head(&peasycap->wq_trigger); + + if (mutex_lock_interruptible(&mutex_dongle)) { + SAY("ERROR: cannot down mutex_dongle\n"); + return -ERESTARTSYS; + } else { +/*---------------------------------------------------------------------------*/ + /* + * FOR INTERFACES 1 AND 2 THE POINTER peasycap WILL NEED TO + * TO BE THE SAME AS THAT ALLOCATED NOW FOR INTERFACE 0. + * + * NORMALLY ndong WILL NOT HAVE CHANGED SINCE INTERFACE 0 WAS + * PROBED, BUT THIS MAY NOT BE THE CASE IF, FOR EXAMPLE, TWO + * EASYCAPs ARE PLUGGED IN SIMULTANEOUSLY. + */ +/*---------------------------------------------------------------------------*/ + for (ndong = 0; ndong < DONGLE_MANY; ndong++) { + if ((!easycapdc60_dongle[ndong].peasycap) && + (!mutex_is_locked(&easycapdc60_dongle + [ndong].mutex_video)) && + (!mutex_is_locked(&easycapdc60_dongle + [ndong].mutex_audio))) { + easycapdc60_dongle[ndong].peasycap = peasycap; + peasycap->isdongle = ndong; + JOM(8, "intf[%i]: peasycap-->easycap" + "_dongle[%i].peasycap\n", + bInterfaceNumber, ndong); break; } } + if (DONGLE_MANY <= ndong) { + SAM("ERROR: too many dongles\n"); + mutex_unlock(&mutex_dongle); + return -ENOMEM; + } + mutex_unlock(&mutex_dongle); } - } - if (DONGLE_MANY <= dongle_this) { - SAM("ERROR: too many dongles\n"); - return -ENOMEM; - } - - peasycap->allocation_video_struct = sizeof(struct easycap); - peasycap->allocation_video_page = 0; - peasycap->allocation_video_urb = 0; - peasycap->allocation_audio_struct = 0; - peasycap->allocation_audio_page = 0; - peasycap->allocation_audio_urb = 0; + peasycap->allocation_video_struct = sizeof(struct easycap); + peasycap->allocation_video_page = 0; + peasycap->allocation_video_urb = 0; + peasycap->allocation_audio_struct = 0; + peasycap->allocation_audio_page = 0; + peasycap->allocation_audio_urb = 0; /*---------------------------------------------------------------------------*/ /* * ... AND FURTHER INITIALIZE THE STRUCTURE */ /*---------------------------------------------------------------------------*/ - peasycap->pusb_device = pusb_device; - peasycap->pusb_interface = pusb_interface; + peasycap->pusb_device = pusb_device; + peasycap->pusb_interface = pusb_interface; - peasycap->ilk = 0; - peasycap->microphone = false; + peasycap->ilk = 0; + peasycap->microphone = false; - peasycap->video_interface = -1; - peasycap->video_altsetting_on = -1; - peasycap->video_altsetting_off = -1; - peasycap->video_endpointnumber = -1; - peasycap->video_isoc_maxframesize = -1; - peasycap->video_isoc_buffer_size = -1; + peasycap->video_interface = -1; + peasycap->video_altsetting_on = -1; + peasycap->video_altsetting_off = -1; + peasycap->video_endpointnumber = -1; + peasycap->video_isoc_maxframesize = -1; + peasycap->video_isoc_buffer_size = -1; - peasycap->audio_interface = -1; - peasycap->audio_altsetting_on = -1; - peasycap->audio_altsetting_off = -1; - peasycap->audio_endpointnumber = -1; - peasycap->audio_isoc_maxframesize = -1; - peasycap->audio_isoc_buffer_size = -1; + peasycap->audio_interface = -1; + peasycap->audio_altsetting_on = -1; + peasycap->audio_altsetting_off = -1; + peasycap->audio_endpointnumber = -1; + peasycap->audio_isoc_maxframesize = -1; + peasycap->audio_isoc_buffer_size = -1; - peasycap->frame_buffer_many = FRAME_BUFFER_MANY; + peasycap->frame_buffer_many = FRAME_BUFFER_MANY; - for (k = 0; k < INPUT_MANY; k++) - peasycap->lost[k] = 0; - peasycap->skip = 0; - peasycap->skipped = 0; - peasycap->offerfields = 0; + for (k = 0; k < INPUT_MANY; k++) + peasycap->lost[k] = 0; + peasycap->skip = 0; + peasycap->skipped = 0; + peasycap->offerfields = 0; /*---------------------------------------------------------------------------*/ /* * DYNAMICALLY FILL IN THE AVAILABLE FORMATS ... */ /*---------------------------------------------------------------------------*/ - rc = fillin_formats(); - if (0 > rc) { - SAM("ERROR: fillin_formats() returned %i\n", rc); - return -EFAULT; - } - JOM(4, "%i formats available\n", rc); + rc = fillin_formats(); + if (0 > rc) { + SAM("ERROR: fillin_formats() rc = %i\n", rc); + return -EFAULT; + } + JOM(4, "%i formats available\n", rc); /*---------------------------------------------------------------------------*/ /* * ... AND POPULATE easycap.inputset[] */ /*---------------------------------------------------------------------------*/ - for (k = 0; k < INPUT_MANY; k++) { - peasycap->inputset[k].input_ok = 0; - peasycap->inputset[k].standard_offset_ok = 0; - peasycap->inputset[k].format_offset_ok = 0; - peasycap->inputset[k].brightness_ok = 0; - peasycap->inputset[k].contrast_ok = 0; - peasycap->inputset[k].saturation_ok = 0; - peasycap->inputset[k].hue_ok = 0; - } - if (true == peasycap->ntsc) { - i = 0; + /* FIXME: maybe we just use memset 0 */ + inputset = peasycap->inputset; + for (k = 0; k < INPUT_MANY; k++) { + inputset[k].input_ok = 0; + inputset[k].standard_offset_ok = 0; + inputset[k].format_offset_ok = 0; + inputset[k].brightness_ok = 0; + inputset[k].contrast_ok = 0; + inputset[k].saturation_ok = 0; + inputset[k].hue_ok = 0; + } + + fmtidx = peasycap->ntsc ? NTSC_M : PAL_BGHIN; m = 0; mask = 0; - while (0xFFFF != easycap_standard[i].mask) { - if (NTSC_M == easycap_standard[i].\ - v4l2_standard.index) { + for (i = 0; 0xFFFF != easycap_standard[i].mask; i++) { + if (fmtidx == easycap_standard[i].v4l2_standard.index) { m++; - for (k = 0; k < INPUT_MANY; k++) { - peasycap->inputset[k].\ - standard_offset = i; - } - mask = easycap_standard[i].mask; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].standard_offset = i; + + mask = easycap_standard[i].mask; } - i++; } - } else { - i = 0; + + if (1 != m) { + SAM("ERROR: " + "inputset->standard_offset unpopulated, %i=m\n", m); + return -ENOENT; + } + + peasycap_format = &easycap_format[0]; m = 0; - mask = 0; - while (0xFFFF != easycap_standard[i].mask) { - if (PAL_BGHIN == easycap_standard[i].\ - v4l2_standard.index) { + for (i = 0; peasycap_format->v4l2_format.fmt.pix.width; i++) { + struct v4l2_pix_format *pix = + &peasycap_format->v4l2_format.fmt.pix; + if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) && + pix->field == V4L2_FIELD_NONE && + pix->pixelformat == V4L2_PIX_FMT_UYVY && + pix->width == 640 && pix->height == 480) { m++; - for (k = 0; k < INPUT_MANY; k++) { - peasycap->inputset[k].\ - standard_offset = i; - } - mask = easycap_standard[i].mask; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].format_offset = i; + break; } - i++; + peasycap_format++; + } + if (1 != m) { + SAM("ERROR: inputset[]->format_offset unpopulated\n"); + return -ENOENT; } - } - - if (1 != m) { - SAM("MISTAKE: easycap.inputset[].standard_offset " \ - "unpopulated, %i=m\n", m); - return -ENOENT; - } - peasycap_format = &easycap_format[0]; - i = 0; - m = 0; - while (0 != peasycap_format->v4l2_format.fmt.pix.width) { - if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) && \ - (peasycap_format->\ - v4l2_format.fmt.pix.field == \ - V4L2_FIELD_NONE) && \ - (peasycap_format->\ - v4l2_format.fmt.pix.pixelformat == \ - V4L2_PIX_FMT_UYVY) && \ - (peasycap_format->\ - v4l2_format.fmt.pix.width == \ - 640) && \ - (peasycap_format->\ - v4l2_format.fmt.pix.height == 480)) { - m++; - for (k = 0; k < INPUT_MANY; k++) - peasycap->inputset[k].format_offset = i; - break; + m = 0; + for (i = 0; 0xFFFFFFFF != easycap_control[i].id; i++) { + value = easycap_control[i].default_value; + if (V4L2_CID_BRIGHTNESS == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].brightness = value; + } else if (V4L2_CID_CONTRAST == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].contrast = value; + } else if (V4L2_CID_SATURATION == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].saturation = value; + } else if (V4L2_CID_HUE == easycap_control[i].id) { + m++; + for (k = 0; k < INPUT_MANY; k++) + inputset[k].hue = value; + } } - peasycap_format++; - i++; - } - if (1 != m) { - SAM("MISTAKE: easycap.inputset[].format_offset unpopulated\n"); - return -ENOENT; - } - i = 0; - m = 0; - while (0xFFFFFFFF != easycap_control[i].id) { - value = easycap_control[i].default_value; - if (V4L2_CID_BRIGHTNESS == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - peasycap->inputset[k].brightness = value; - } else if (V4L2_CID_CONTRAST == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - peasycap->inputset[k].contrast = value; - } else if (V4L2_CID_SATURATION == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - peasycap->inputset[k].saturation = value; - } else if (V4L2_CID_HUE == easycap_control[i].id) { - m++; - for (k = 0; k < INPUT_MANY; k++) - peasycap->inputset[k].hue = value; + if (4 != m) { + SAM("ERROR: inputset[]->brightness underpopulated\n"); + return -ENOENT; } - i++; - } - if (4 != m) { - SAM("MISTAKE: easycap.inputset[].brightness,... " \ - "underpopulated\n"); - return -ENOENT; - } - for (k = 0; k < INPUT_MANY; k++) - peasycap->inputset[k].input = k; - JOM(4, "populated easycap.inputset[]\n"); - JOM(4, "finished initialization\n"); -} else { + for (k = 0; k < INPUT_MANY; k++) + inputset[k].input = k; + JOM(4, "populated inputset[]\n"); + JOM(4, "finished initialization\n"); + } else { /*---------------------------------------------------------------------------*/ - /* - * FOR INTERFACES 1 AND 2 THE POINTER peasycap IS OBTAINED BY ASSUMING - * THAT dongle_this HAS NOT CHANGED SINCE INTERFACE 0 WAS PROBED. IF - * THIS IS NOT THE CASE, FOR EXAMPLE WHEN TWO EASYCAPs ARE PLUGGED IN - * SIMULTANEOUSLY, THERE WILL BE SERIOUS TROUBLE. - */ +/* + * FIXME + * + * IDENTIFY THE APPROPRIATE POINTER peasycap FOR INTERFACES 1 AND 2. + * THE ADDRESS OF peasycap->pusb_device IS RELUCTANTLY USED FOR THIS PURPOSE. + */ /*---------------------------------------------------------------------------*/ - if ((0 > dongle_this) || (DONGLE_MANY <= dongle_this)) { - SAY("ERROR: bad dongle count\n"); - return -EFAULT; - } - peasycap = easycap_dongle[dongle_this].peasycap; - JOT(8, "intf[%i]: easycap_dongle[%i].peasycap-->peasycap\n", \ - bInterfaceNumber, dongle_this); - - if ((struct easycap *)NULL == peasycap) { - SAY("ERROR: peasycap is NULL when probing interface %i\n", \ - bInterfaceNumber); - return -EFAULT; + for (ndong = 0; ndong < DONGLE_MANY; ndong++) { + if (pusb_device == easycapdc60_dongle[ndong].peasycap-> + pusb_device) { + peasycap = easycapdc60_dongle[ndong].peasycap; + JOT(8, "intf[%i]: dongle[%i].peasycap\n", + bInterfaceNumber, ndong); + break; + } + } + if (DONGLE_MANY <= ndong) { + SAY("ERROR: peasycap is unknown when probing interface %i\n", + bInterfaceNumber); + return -ENODEV; + } + if (!peasycap) { + SAY("ERROR: peasycap is NULL when probing interface %i\n", + bInterfaceNumber); + return -ENODEV; + } +/*---------------------------------------------------------------------------*/ +/* + * SOME VERSIONS OF THE videodev MODULE OVERWRITE THE DATA WHICH HAS + * BEEN WRITTEN BY THE CALL TO usb_set_intfdata() IN easycap_usb_probe(), + * REPLACING IT WITH A POINTER TO THE EMBEDDED v4l2_device STRUCTURE. + * TO DETECT THIS, THE STRING IN THE easycap.telltale[] BUFFER IS CHECKED. +*/ +/*---------------------------------------------------------------------------*/ + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + pv4l2_device = usb_get_intfdata(pusb_interface); + if (!pv4l2_device) { + SAY("ERROR: pv4l2_device is NULL\n"); + return -ENODEV; + } + peasycap = (struct easycap *) + container_of(pv4l2_device, struct easycap, v4l2_device); + } } -} /*---------------------------------------------------------------------------*/ -if ((USB_CLASS_VIDEO == bInterfaceClass) || \ - (USB_CLASS_VENDOR_SPEC == bInterfaceClass)) { - if (-1 == peasycap->video_interface) { - peasycap->video_interface = bInterfaceNumber; - JOM(4, "setting peasycap->video_interface=%i\n", \ + if ((USB_CLASS_VIDEO == bInterfaceClass) || + (USB_CLASS_VENDOR_SPEC == bInterfaceClass)) { + if (-1 == peasycap->video_interface) { + peasycap->video_interface = bInterfaceNumber; + JOM(4, "setting peasycap->video_interface=%i\n", + peasycap->video_interface); + } else { + if (peasycap->video_interface != bInterfaceNumber) { + SAM("ERROR: attempting to reset " + "peasycap->video_interface\n"); + SAM("...... continuing with " + "%i=peasycap->video_interface\n", peasycap->video_interface); - } else { - if (peasycap->video_interface != bInterfaceNumber) { - SAM("ERROR: attempting to reset " \ - "peasycap->video_interface\n"); - SAM("...... continuing with " \ - "%i=peasycap->video_interface\n", \ - peasycap->video_interface); + } } - } -} else if ((USB_CLASS_AUDIO == bInterfaceClass) && \ - (0x02 == bInterfaceSubClass)) { - if (-1 == peasycap->audio_interface) { - peasycap->audio_interface = bInterfaceNumber; - JOM(4, "setting peasycap->audio_interface=%i\n", \ - peasycap->audio_interface); - } else { - if (peasycap->audio_interface != bInterfaceNumber) { - SAM("ERROR: attempting to reset " \ - "peasycap->audio_interface\n"); - SAM("...... continuing with " \ - "%i=peasycap->audio_interface\n", \ - peasycap->audio_interface); + } else if ((USB_CLASS_AUDIO == bInterfaceClass) && + (USB_SUBCLASS_AUDIOSTREAMING == bInterfaceSubClass)) { + if (-1 == peasycap->audio_interface) { + peasycap->audio_interface = bInterfaceNumber; + JOM(4, "setting peasycap->audio_interface=%i\n", + peasycap->audio_interface); + } else { + if (peasycap->audio_interface != bInterfaceNumber) { + SAM("ERROR: attempting to reset " + "peasycap->audio_interface\n"); + SAM("...... continuing with " + "%i=peasycap->audio_interface\n", + peasycap->audio_interface); + } } } -} /*---------------------------------------------------------------------------*/ /* * INVESTIGATE ALL ALTSETTINGS. * DONE IN DETAIL BECAUSE USB DEVICE 05e1:0408 HAS DISPARATE INCARNATIONS. */ /*---------------------------------------------------------------------------*/ -isokalt = 0; - -for (i = 0; i < pusb_interface->num_altsetting; i++) { - pusb_host_interface = &(pusb_interface->altsetting[i]); - if ((struct usb_host_interface *)NULL == pusb_host_interface) { - SAM("ERROR: pusb_host_interface is NULL\n"); - return -EFAULT; - } - pusb_interface_descriptor = &(pusb_host_interface->desc); - if ((struct usb_interface_descriptor *)NULL == \ - pusb_interface_descriptor) { - SAM("ERROR: pusb_interface_descriptor is NULL\n"); - return -EFAULT; - } + isokalt = 0; - JOM(4, "intf[%i]alt[%i]: desc.bDescriptorType=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->bDescriptorType); - JOM(4, "intf[%i]alt[%i]: desc.bInterfaceNumber=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceNumber); - JOM(4, "intf[%i]alt[%i]: desc.bAlternateSetting=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->bAlternateSetting); - JOM(4, "intf[%i]alt[%i]: desc.bNumEndpoints=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->bNumEndpoints); - JOM(4, "intf[%i]alt[%i]: desc.bInterfaceClass=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceClass); - JOM(4, "intf[%i]alt[%i]: desc.bInterfaceSubClass=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceSubClass); - JOM(4, "intf[%i]alt[%i]: desc.bInterfaceProtocol=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceProtocol); - JOM(4, "intf[%i]alt[%i]: desc.iInterface=0x%02X\n", \ - bInterfaceNumber, i, pusb_interface_descriptor->iInterface); - - ISOCwMaxPacketSize = -1; - BULKwMaxPacketSize = -1; - INTwMaxPacketSize = -1; - CTRLwMaxPacketSize = -1; - ISOCbEndpointAddress = 0; - INTbEndpointAddress = 0; - - if (0 == pusb_interface_descriptor->bNumEndpoints) - JOM(4, "intf[%i]alt[%i] has no endpoints\n", \ - bInterfaceNumber, i); -/*---------------------------------------------------------------------------*/ - for (j = 0; j < pusb_interface_descriptor->bNumEndpoints; j++) { - pepd = &(pusb_host_interface->endpoint[j].desc); - if ((struct usb_endpoint_descriptor *)NULL == pepd) { - SAM("ERROR: pepd is NULL.\n"); - SAM("...... skipping\n"); - continue; + for (i = 0; i < pusb_interface->num_altsetting; i++) { + pusb_host_interface = &(pusb_interface->altsetting[i]); + if (!pusb_host_interface) { + SAM("ERROR: pusb_host_interface is NULL\n"); + return -EFAULT; } - wMaxPacketSize = le16_to_cpu(pepd->wMaxPacketSize); - bEndpointAddress = pepd->bEndpointAddress; - - JOM(4, "intf[%i]alt[%i]end[%i]: bEndpointAddress=0x%X\n", \ - bInterfaceNumber, i, j, \ - pepd->bEndpointAddress); - JOM(4, "intf[%i]alt[%i]end[%i]: bmAttributes=0x%X\n", \ - bInterfaceNumber, i, j, \ - pepd->bmAttributes); - JOM(4, "intf[%i]alt[%i]end[%i]: wMaxPacketSize=%i\n", \ - bInterfaceNumber, i, j, \ - pepd->wMaxPacketSize); - JOM(4, "intf[%i]alt[%i]end[%i]: bInterval=%i\n", - bInterfaceNumber, i, j, \ - pepd->bInterval); - - if (pepd->bEndpointAddress & USB_DIR_IN) { - JOM(4, "intf[%i]alt[%i]end[%i] is an IN endpoint\n",\ - bInterfaceNumber, i, j); - isin = 1; - } else { - JOM(4, "intf[%i]alt[%i]end[%i] is an OUT endpoint\n",\ - bInterfaceNumber, i, j); - SAM("ERROR: OUT endpoint unexpected\n"); - SAM("...... continuing\n"); - isin = 0; + pusb_interface_descriptor = &(pusb_host_interface->desc); + if (!pusb_interface_descriptor) { + SAM("ERROR: pusb_interface_descriptor is NULL\n"); + return -EFAULT; } - if ((pepd->bmAttributes & \ - USB_ENDPOINT_XFERTYPE_MASK) == \ - USB_ENDPOINT_XFER_ISOC) { - JOM(4, "intf[%i]alt[%i]end[%i] is an ISOC endpoint\n",\ - bInterfaceNumber, i, j); - if (isin) { - switch (bInterfaceClass) { - case USB_CLASS_VIDEO: - case USB_CLASS_VENDOR_SPEC: { - if (!peasycap) { - SAM("MISTAKE: " \ - "peasycap is NULL\n"); - return -EFAULT; - } - if (pepd->wMaxPacketSize) { - if (8 > isokalt) { - okalt[isokalt] = i; - JOM(4,\ - "%i=okalt[%i]\n", \ - okalt[isokalt], \ - isokalt); - okepn[isokalt] = \ - pepd->\ - bEndpointAddress & \ - 0x0F; - JOM(4,\ - "%i=okepn[%i]\n", \ - okepn[isokalt], \ - isokalt); - okmps[isokalt] = \ - le16_to_cpu(pepd->\ - wMaxPacketSize); - JOM(4,\ - "%i=okmps[%i]\n", \ - okmps[isokalt], \ - isokalt); - isokalt++; + + JOM(4, "intf[%i]alt[%i]: desc.bDescriptorType=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->bDescriptorType); + JOM(4, "intf[%i]alt[%i]: desc.bInterfaceNumber=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceNumber); + JOM(4, "intf[%i]alt[%i]: desc.bAlternateSetting=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->bAlternateSetting); + JOM(4, "intf[%i]alt[%i]: desc.bNumEndpoints=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->bNumEndpoints); + JOM(4, "intf[%i]alt[%i]: desc.bInterfaceClass=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceClass); + JOM(4, "intf[%i]alt[%i]: desc.bInterfaceSubClass=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceSubClass); + JOM(4, "intf[%i]alt[%i]: desc.bInterfaceProtocol=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceProtocol); + JOM(4, "intf[%i]alt[%i]: desc.iInterface=0x%02X\n", + bInterfaceNumber, i, pusb_interface_descriptor->iInterface); + + ISOCwMaxPacketSize = -1; + BULKwMaxPacketSize = -1; + INTwMaxPacketSize = -1; + CTRLwMaxPacketSize = -1; + ISOCbEndpointAddress = 0; + INTbEndpointAddress = 0; + + if (0 == pusb_interface_descriptor->bNumEndpoints) + JOM(4, "intf[%i]alt[%i] has no endpoints\n", + bInterfaceNumber, i); +/*---------------------------------------------------------------------------*/ + for (j = 0; j < pusb_interface_descriptor->bNumEndpoints; j++) { + pepd = &(pusb_host_interface->endpoint[j].desc); + if (!pepd) { + SAM("ERROR: pepd is NULL.\n"); + SAM("...... skipping\n"); + continue; + } + wMaxPacketSize = le16_to_cpu(pepd->wMaxPacketSize); + bEndpointAddress = pepd->bEndpointAddress; + + JOM(4, "intf[%i]alt[%i]end[%i]: bEndpointAddress=0x%X\n", + bInterfaceNumber, i, j, + pepd->bEndpointAddress); + JOM(4, "intf[%i]alt[%i]end[%i]: bmAttributes=0x%X\n", + bInterfaceNumber, i, j, + pepd->bmAttributes); + JOM(4, "intf[%i]alt[%i]end[%i]: wMaxPacketSize=%i\n", + bInterfaceNumber, i, j, + pepd->wMaxPacketSize); + JOM(4, "intf[%i]alt[%i]end[%i]: bInterval=%i\n", + bInterfaceNumber, i, j, + pepd->bInterval); + + if (pepd->bEndpointAddress & USB_DIR_IN) { + JOM(4, "intf[%i]alt[%i]end[%i] is an IN endpoint\n", + bInterfaceNumber, i, j); + isin = 1; + } else { + JOM(4, "intf[%i]alt[%i]end[%i] is an OUT endpoint\n", + bInterfaceNumber, i, j); + SAM("ERROR: OUT endpoint unexpected\n"); + SAM("...... continuing\n"); + isin = 0; + } + if ((pepd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_ISOC) { + JOM(4, "intf[%i]alt[%i]end[%i] is an ISOC endpoint\n", + bInterfaceNumber, i, j); + if (isin) { + switch (bInterfaceClass) { + case USB_CLASS_VIDEO: + case USB_CLASS_VENDOR_SPEC: { + if (!peasycap) { + SAM("MISTAKE: " + "peasycap is NULL\n"); + return -EFAULT; } - } else { - if (-1 == peasycap->\ - video_altsetting_off) { - peasycap->\ - video_altsetting_off =\ - i; - JOM(4, "%i=video_" \ - "altsetting_off " \ - "<====\n", \ - peasycap->\ - video_altsetting_off); + if (pepd->wMaxPacketSize) { + if (8 > isokalt) { + okalt[isokalt] = i; + JOM(4, + "%i=okalt[%i]\n", + okalt[isokalt], + isokalt); + okepn[isokalt] = + pepd-> + bEndpointAddress & + 0x0F; + JOM(4, + "%i=okepn[%i]\n", + okepn[isokalt], + isokalt); + okmps[isokalt] = + le16_to_cpu(pepd-> + wMaxPacketSize); + JOM(4, + "%i=okmps[%i]\n", + okmps[isokalt], + isokalt); + isokalt++; + } } else { - SAM("ERROR: peasycap" \ - "->video_altsetting_" \ - "off already set\n"); - SAM("...... " \ - "continuing with " \ - "%i=peasycap->video_" \ - "altsetting_off\n", \ - peasycap->\ - video_altsetting_off); + if (-1 == peasycap-> + video_altsetting_off) { + peasycap-> + video_altsetting_off = + i; + JOM(4, "%i=video_" + "altsetting_off " + "<====\n", + peasycap-> + video_altsetting_off); + } else { + SAM("ERROR: peasycap" + "->video_altsetting_" + "off already set\n"); + SAM("...... " + "continuing with " + "%i=peasycap->video_" + "altsetting_off\n", + peasycap-> + video_altsetting_off); + } } - } - break; - } - case USB_CLASS_AUDIO: { - if (0x02 != bInterfaceSubClass) break; - if (!peasycap) { - SAM("MISTAKE: " \ - "peasycap is NULL\n"); - return -EFAULT; } - if (pepd->wMaxPacketSize) { - if (8 > isokalt) { - okalt[isokalt] = i ; - JOM(4,\ - "%i=okalt[%i]\n", \ - okalt[isokalt], \ - isokalt); - okepn[isokalt] = \ - pepd->\ - bEndpointAddress & \ - 0x0F; - JOM(4,\ - "%i=okepn[%i]\n", \ - okepn[isokalt], \ - isokalt); - okmps[isokalt] = \ - le16_to_cpu(pepd->\ - wMaxPacketSize); - JOM(4,\ - "%i=okmps[%i]\n",\ - okmps[isokalt], \ - isokalt); - isokalt++; + case USB_CLASS_AUDIO: { + if (bInterfaceSubClass != + USB_SUBCLASS_AUDIOSTREAMING) + break; + if (!peasycap) { + SAM("MISTAKE: " + "peasycap is NULL\n"); + return -EFAULT; } - } else { - if (-1 == peasycap->\ - audio_altsetting_off) { - peasycap->\ - audio_altsetting_off =\ - i; - JOM(4, "%i=audio_" \ - "altsetting_off " \ - "<====\n", \ - peasycap->\ - audio_altsetting_off); + if (pepd->wMaxPacketSize) { + if (8 > isokalt) { + okalt[isokalt] = i ; + JOM(4, + "%i=okalt[%i]\n", + okalt[isokalt], + isokalt); + okepn[isokalt] = + pepd-> + bEndpointAddress & + 0x0F; + JOM(4, + "%i=okepn[%i]\n", + okepn[isokalt], + isokalt); + okmps[isokalt] = + le16_to_cpu(pepd-> + wMaxPacketSize); + JOM(4, + "%i=okmps[%i]\n", + okmps[isokalt], + isokalt); + isokalt++; + } } else { - SAM("ERROR: peasycap" \ - "->audio_altsetting_" \ - "off already set\n"); - SAM("...... " \ - "continuing with " \ - "%i=peasycap->\ - audio_altsetting_" \ - "off\n", - peasycap->\ - audio_altsetting_off); + if (-1 == peasycap-> + audio_altsetting_off) { + peasycap-> + audio_altsetting_off = + i; + JOM(4, "%i=audio_" + "altsetting_off " + "<====\n", + peasycap-> + audio_altsetting_off); + } else { + SAM("ERROR: peasycap" + "->audio_altsetting_" + "off already set\n"); + SAM("...... " + "continuing with " + "%i=peasycap->" + "audio_altsetting_" + "off\n", + peasycap-> + audio_altsetting_off); + } } - } - break; - } - default: break; + } + default: + break; + } } + } else if ((pepd->bmAttributes & + USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_BULK) { + JOM(4, "intf[%i]alt[%i]end[%i] is a BULK endpoint\n", + bInterfaceNumber, i, j); + } else if ((pepd->bmAttributes & + USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_INT) { + JOM(4, "intf[%i]alt[%i]end[%i] is an INT endpoint\n", + bInterfaceNumber, i, j); + } else { + JOM(4, "intf[%i]alt[%i]end[%i] is a CTRL endpoint\n", + bInterfaceNumber, i, j); + } + if (0 == pepd->wMaxPacketSize) { + JOM(4, "intf[%i]alt[%i]end[%i] " + "has zero packet size\n", + bInterfaceNumber, i, j); } - } else if ((pepd->bmAttributes & \ - USB_ENDPOINT_XFERTYPE_MASK) ==\ - USB_ENDPOINT_XFER_BULK) { - JOM(4, "intf[%i]alt[%i]end[%i] is a BULK endpoint\n",\ - bInterfaceNumber, i, j); - } else if ((pepd->bmAttributes & \ - USB_ENDPOINT_XFERTYPE_MASK) ==\ - USB_ENDPOINT_XFER_INT) { - JOM(4, "intf[%i]alt[%i]end[%i] is an INT endpoint\n",\ - bInterfaceNumber, i, j); - } else { - JOM(4, "intf[%i]alt[%i]end[%i] is a CTRL endpoint\n",\ - bInterfaceNumber, i, j); - } - if (0 == pepd->wMaxPacketSize) { - JOM(4, "intf[%i]alt[%i]end[%i] " \ - "has zero packet size\n", \ - bInterfaceNumber, i, j); } } -} /*---------------------------------------------------------------------------*/ /* * PERFORM INITIALIZATION OF THE PROBED INTERFACE */ /*---------------------------------------------------------------------------*/ -JOM(4, "initialization begins for interface %i\n", \ - pusb_interface_descriptor->bInterfaceNumber); -switch (bInterfaceNumber) { + JOM(4, "initialization begins for interface %i\n", + pusb_interface_descriptor->bInterfaceNumber); + switch (bInterfaceNumber) { /*---------------------------------------------------------------------------*/ /* * INTERFACE 0 IS THE VIDEO INTERFACE */ /*---------------------------------------------------------------------------*/ -case 0: { - if (!peasycap) { - SAM("MISTAKE: peasycap is NULL\n"); - return -EFAULT; - } - if (!isokalt) { - SAM("ERROR: no viable video_altsetting_on\n"); - return -ENOENT; - } else { - peasycap->video_altsetting_on = okalt[isokalt - 1]; - JOM(4, "%i=video_altsetting_on <====\n", \ - peasycap->video_altsetting_on); - } + case 0: { + if (!peasycap) { + SAM("MISTAKE: peasycap is NULL\n"); + return -EFAULT; + } + if (!isokalt) { + SAM("ERROR: no viable video_altsetting_on\n"); + return -ENOENT; + } else { + peasycap->video_altsetting_on = okalt[isokalt - 1]; + JOM(4, "%i=video_altsetting_on <====\n", + peasycap->video_altsetting_on); + } /*---------------------------------------------------------------------------*/ /* * DECIDE THE VIDEO STREAMING PARAMETERS */ /*---------------------------------------------------------------------------*/ - peasycap->video_endpointnumber = okepn[isokalt - 1]; - JOM(4, "%i=video_endpointnumber\n", peasycap->video_endpointnumber); - maxpacketsize = okmps[isokalt - 1]; - if (USB_2_0_MAXPACKETSIZE > maxpacketsize) { - peasycap->video_isoc_maxframesize = maxpacketsize; - } else { - peasycap->video_isoc_maxframesize = \ - USB_2_0_MAXPACKETSIZE; - } - JOM(4, "%i=video_isoc_maxframesize\n", \ - peasycap->video_isoc_maxframesize); - if (0 >= peasycap->video_isoc_maxframesize) { - SAM("ERROR: bad video_isoc_maxframesize\n"); - SAM(" possibly because port is USB 1.1\n"); - return -ENOENT; - } - peasycap->video_isoc_framesperdesc = VIDEO_ISOC_FRAMESPERDESC; - JOM(4, "%i=video_isoc_framesperdesc\n", \ - peasycap->video_isoc_framesperdesc); - if (0 >= peasycap->video_isoc_framesperdesc) { - SAM("ERROR: bad video_isoc_framesperdesc\n"); - return -ENOENT; - } - peasycap->video_isoc_buffer_size = \ - peasycap->video_isoc_maxframesize * \ - peasycap->video_isoc_framesperdesc; - JOM(4, "%i=video_isoc_buffer_size\n", \ - peasycap->video_isoc_buffer_size); - if ((PAGE_SIZE << VIDEO_ISOC_ORDER) < \ - peasycap->video_isoc_buffer_size) { - SAM("MISTAKE: peasycap->video_isoc_buffer_size too big\n"); - return -EFAULT; - } + peasycap->video_endpointnumber = okepn[isokalt - 1]; + JOM(4, "%i=video_endpointnumber\n", peasycap->video_endpointnumber); + maxpacketsize = okmps[isokalt - 1]; + + peasycap->video_isoc_maxframesize = + min(maxpacketsize, USB_2_0_MAXPACKETSIZE); + if (0 >= peasycap->video_isoc_maxframesize) { + SAM("ERROR: bad video_isoc_maxframesize\n"); + SAM(" possibly because port is USB 1.1\n"); + return -ENOENT; + } + JOM(4, "%i=video_isoc_maxframesize\n", + peasycap->video_isoc_maxframesize); + + peasycap->video_isoc_framesperdesc = VIDEO_ISOC_FRAMESPERDESC; + JOM(4, "%i=video_isoc_framesperdesc\n", + peasycap->video_isoc_framesperdesc); + if (0 >= peasycap->video_isoc_framesperdesc) { + SAM("ERROR: bad video_isoc_framesperdesc\n"); + return -ENOENT; + } + peasycap->video_isoc_buffer_size = + peasycap->video_isoc_maxframesize * + peasycap->video_isoc_framesperdesc; + JOM(4, "%i=video_isoc_buffer_size\n", + peasycap->video_isoc_buffer_size); + if ((PAGE_SIZE << VIDEO_ISOC_ORDER) < + peasycap->video_isoc_buffer_size) { + SAM("MISTAKE: peasycap->video_isoc_buffer_size too big\n"); + return -EFAULT; + } /*---------------------------------------------------------------------------*/ - if (-1 == peasycap->video_interface) { - SAM("MISTAKE: video_interface is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->video_altsetting_on) { - SAM("MISTAKE: video_altsetting_on is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->video_altsetting_off) { - SAM("MISTAKE: video_interface_off is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->video_endpointnumber) { - SAM("MISTAKE: video_endpointnumber is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->video_isoc_maxframesize) { - SAM("MISTAKE: video_isoc_maxframesize is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->video_isoc_buffer_size) { - SAM("MISTAKE: video_isoc_buffer_size is unset\n"); - return -EFAULT; - } + if (-1 == peasycap->video_interface) { + SAM("MISTAKE: video_interface is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->video_altsetting_on) { + SAM("MISTAKE: video_altsetting_on is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->video_altsetting_off) { + SAM("MISTAKE: video_interface_off is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->video_endpointnumber) { + SAM("MISTAKE: video_endpointnumber is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->video_isoc_maxframesize) { + SAM("MISTAKE: video_isoc_maxframesize is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->video_isoc_buffer_size) { + SAM("MISTAKE: video_isoc_buffer_size is unset\n"); + return -EFAULT; + } /*---------------------------------------------------------------------------*/ /* * ALLOCATE MEMORY FOR VIDEO BUFFERS. LISTS MUST BE INITIALIZED FIRST. */ /*---------------------------------------------------------------------------*/ - INIT_LIST_HEAD(&(peasycap->urb_video_head)); - peasycap->purb_video_head = &(peasycap->urb_video_head); -/*---------------------------------------------------------------------------*/ - JOM(4, "allocating %i frame buffers of size %li\n", \ - FRAME_BUFFER_MANY, (long int)FRAME_BUFFER_SIZE); - JOM(4, ".... each scattered over %li pages\n", \ - FRAME_BUFFER_SIZE/PAGE_SIZE); - - for (k = 0; k < FRAME_BUFFER_MANY; k++) { - for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) { - if ((void *)NULL != peasycap->frame_buffer[k][m].pgo) - SAM("attempting to reallocate frame " \ - " buffers\n"); - else { - pbuf = (void *)__get_free_page(GFP_KERNEL); - if ((void *)NULL == pbuf) { - SAM("ERROR: Could not allocate frame "\ - "buffer %i page %i\n", k, m); - return -ENOMEM; - } else - peasycap->allocation_video_page += 1; - peasycap->frame_buffer[k][m].pgo = pbuf; + INIT_LIST_HEAD(&(peasycap->urb_video_head)); + peasycap->purb_video_head = &(peasycap->urb_video_head); +/*---------------------------------------------------------------------------*/ + JOM(4, "allocating %i frame buffers of size %li\n", + FRAME_BUFFER_MANY, (long int)FRAME_BUFFER_SIZE); + JOM(4, ".... each scattered over %li pages\n", + FRAME_BUFFER_SIZE/PAGE_SIZE); + + for (k = 0; k < FRAME_BUFFER_MANY; k++) { + for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) { + if (peasycap->frame_buffer[k][m].pgo) + SAM("attempting to reallocate frame " + " buffers\n"); + else { + pbuf = (void *)__get_free_page(GFP_KERNEL); + if (!pbuf) { + SAM("ERROR: Could not allocate frame " + "buffer %i page %i\n", k, m); + return -ENOMEM; + } else + peasycap->allocation_video_page += 1; + peasycap->frame_buffer[k][m].pgo = pbuf; + } + peasycap->frame_buffer[k][m].pto = + peasycap->frame_buffer[k][m].pgo; } - peasycap->frame_buffer[k][m].pto = \ - peasycap->frame_buffer[k][m].pgo; } - } - - peasycap->frame_fill = 0; - peasycap->frame_read = 0; - JOM(4, "allocation of frame buffers done: %i pages\n", k * \ - m); -/*---------------------------------------------------------------------------*/ - JOM(4, "allocating %i field buffers of size %li\n", \ - FIELD_BUFFER_MANY, (long int)FIELD_BUFFER_SIZE); - JOM(4, ".... each scattered over %li pages\n", \ - FIELD_BUFFER_SIZE/PAGE_SIZE); - for (k = 0; k < FIELD_BUFFER_MANY; k++) { - for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) { - if ((void *)NULL != peasycap->field_buffer[k][m].pgo) { - SAM("ERROR: attempting to reallocate " \ - "field buffers\n"); - } else { - pbuf = (void *) __get_free_page(GFP_KERNEL); - if ((void *)NULL == pbuf) { - SAM("ERROR: Could not allocate field" \ - " buffer %i page %i\n", k, m); - return -ENOMEM; + peasycap->frame_fill = 0; + peasycap->frame_read = 0; + JOM(4, "allocation of frame buffers done: %i pages\n", k * + m); +/*---------------------------------------------------------------------------*/ + JOM(4, "allocating %i field buffers of size %li\n", + FIELD_BUFFER_MANY, (long int)FIELD_BUFFER_SIZE); + JOM(4, ".... each scattered over %li pages\n", + FIELD_BUFFER_SIZE/PAGE_SIZE); + + for (k = 0; k < FIELD_BUFFER_MANY; k++) { + for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) { + if (peasycap->field_buffer[k][m].pgo) { + SAM("ERROR: attempting to reallocate " + "field buffers\n"); + } else { + pbuf = (void *) __get_free_page(GFP_KERNEL); + if (!pbuf) { + SAM("ERROR: Could not allocate field" + " buffer %i page %i\n", k, m); + return -ENOMEM; + } + else + peasycap->allocation_video_page += 1; + peasycap->field_buffer[k][m].pgo = pbuf; } - else - peasycap->allocation_video_page += 1; - peasycap->field_buffer[k][m].pgo = pbuf; - } - peasycap->field_buffer[k][m].pto = \ - peasycap->field_buffer[k][m].pgo; + peasycap->field_buffer[k][m].pto = + peasycap->field_buffer[k][m].pgo; + } + peasycap->field_buffer[k][0].kount = 0x0200; } - peasycap->field_buffer[k][0].kount = 0x0200; - } - peasycap->field_fill = 0; - peasycap->field_page = 0; - peasycap->field_read = 0; - JOM(4, "allocation of field buffers done: %i pages\n", k * \ - m); -/*---------------------------------------------------------------------------*/ - JOM(4, "allocating %i isoc video buffers of size %i\n", \ - VIDEO_ISOC_BUFFER_MANY, \ - peasycap->video_isoc_buffer_size); - JOM(4, ".... each occupying contiguous memory pages\n"); - - for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { - pbuf = (void *)__get_free_pages(GFP_KERNEL, VIDEO_ISOC_ORDER); - if (NULL == pbuf) { - SAM("ERROR: Could not allocate isoc video buffer " \ - "%i\n", k); - return -ENOMEM; - } else - peasycap->allocation_video_page += \ - ((unsigned int)(0x01 << VIDEO_ISOC_ORDER)); + peasycap->field_fill = 0; + peasycap->field_page = 0; + peasycap->field_read = 0; + JOM(4, "allocation of field buffers done: %i pages\n", k * + m); +/*---------------------------------------------------------------------------*/ + JOM(4, "allocating %i isoc video buffers of size %i\n", + VIDEO_ISOC_BUFFER_MANY, + peasycap->video_isoc_buffer_size); + JOM(4, ".... each occupying contiguous memory pages\n"); + + for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { + pbuf = (void *)__get_free_pages(GFP_KERNEL, + VIDEO_ISOC_ORDER); + if (!pbuf) { + SAM("ERROR: Could not allocate isoc video buffer " + "%i\n", k); + return -ENOMEM; + } else + peasycap->allocation_video_page += + BIT(VIDEO_ISOC_ORDER); - peasycap->video_isoc_buffer[k].pgo = pbuf; - peasycap->video_isoc_buffer[k].pto = pbuf + \ - peasycap->video_isoc_buffer_size; - peasycap->video_isoc_buffer[k].kount = k; - } - JOM(4, "allocation of isoc video buffers done: %i pages\n", \ - k * (0x01 << VIDEO_ISOC_ORDER)); + peasycap->video_isoc_buffer[k].pgo = pbuf; + peasycap->video_isoc_buffer[k].pto = + pbuf + peasycap->video_isoc_buffer_size; + peasycap->video_isoc_buffer[k].kount = k; + } + JOM(4, "allocation of isoc video buffers done: %i pages\n", + k * (0x01 << VIDEO_ISOC_ORDER)); /*---------------------------------------------------------------------------*/ /* * ALLOCATE AND INITIALIZE MULTIPLE struct urb ... */ /*---------------------------------------------------------------------------*/ - JOM(4, "allocating %i struct urb.\n", VIDEO_ISOC_BUFFER_MANY); - JOM(4, "using %i=peasycap->video_isoc_framesperdesc\n", \ - peasycap->video_isoc_framesperdesc); - JOM(4, "using %i=peasycap->video_isoc_maxframesize\n", \ - peasycap->video_isoc_maxframesize); - JOM(4, "using %i=peasycap->video_isoc_buffer_sizen", \ - peasycap->video_isoc_buffer_size); - - for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { - purb = usb_alloc_urb(peasycap->video_isoc_framesperdesc, \ - GFP_KERNEL); - if (NULL == purb) { - SAM("ERROR: usb_alloc_urb returned NULL for buffer " \ - "%i\n", k); - return -ENOMEM; - } else - peasycap->allocation_video_urb += 1; + JOM(4, "allocating %i struct urb.\n", VIDEO_ISOC_BUFFER_MANY); + JOM(4, "using %i=peasycap->video_isoc_framesperdesc\n", + peasycap->video_isoc_framesperdesc); + JOM(4, "using %i=peasycap->video_isoc_maxframesize\n", + peasycap->video_isoc_maxframesize); + JOM(4, "using %i=peasycap->video_isoc_buffer_sizen", + peasycap->video_isoc_buffer_size); + + for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) { + purb = usb_alloc_urb(peasycap->video_isoc_framesperdesc, + GFP_KERNEL); + if (!purb) { + SAM("ERROR: usb_alloc_urb returned NULL for buffer " + "%i\n", k); + return -ENOMEM; + } else + peasycap->allocation_video_urb += 1; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); - if (NULL == pdata_urb) { - SAM("ERROR: Could not allocate struct data_urb.\n"); - return -ENOMEM; - } else - peasycap->allocation_video_struct += \ - sizeof(struct data_urb); + pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); + if (!pdata_urb) { + SAM("ERROR: Could not allocate struct data_urb.\n"); + return -ENOMEM; + } else + peasycap->allocation_video_struct += + sizeof(struct data_urb); - pdata_urb->purb = purb; - pdata_urb->isbuf = k; - pdata_urb->length = 0; - list_add_tail(&(pdata_urb->list_head), \ - peasycap->purb_video_head); + pdata_urb->purb = purb; + pdata_urb->isbuf = k; + pdata_urb->length = 0; + list_add_tail(&(pdata_urb->list_head), + peasycap->purb_video_head); /*---------------------------------------------------------------------------*/ /* * ... AND INITIALIZE THEM */ /*---------------------------------------------------------------------------*/ - if (!k) { - JOM(4, "initializing video urbs thus:\n"); - JOM(4, " purb->interval = 1;\n"); - JOM(4, " purb->dev = peasycap->pusb_device;\n"); - JOM(4, " purb->pipe = usb_rcvisocpipe" \ - "(peasycap->pusb_device,%i);\n", \ - peasycap->video_endpointnumber); - JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); - JOM(4, " purb->transfer_buffer = peasycap->" \ - "video_isoc_buffer[.].pgo;\n"); - JOM(4, " purb->transfer_buffer_length = %i;\n", \ - peasycap->video_isoc_buffer_size); - JOM(4, " purb->complete = easycap_complete;\n"); - JOM(4, " purb->context = peasycap;\n"); - JOM(4, " purb->start_frame = 0;\n"); - JOM(4, " purb->number_of_packets = %i;\n", \ - peasycap->video_isoc_framesperdesc); - JOM(4, " for (j = 0; j < %i; j++)\n", \ - peasycap->video_isoc_framesperdesc); - JOM(4, " {\n"); - JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n",\ - peasycap->video_isoc_maxframesize); - JOM(4, " purb->iso_frame_desc[j].length = %i;\n", \ - peasycap->video_isoc_maxframesize); - JOM(4, " }\n"); - } + if (!k) { + JOM(4, "initializing video urbs thus:\n"); + JOM(4, " purb->interval = 1;\n"); + JOM(4, " purb->dev = peasycap->pusb_device;\n"); + JOM(4, " purb->pipe = usb_rcvisocpipe" + "(peasycap->pusb_device,%i);\n", + peasycap->video_endpointnumber); + JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); + JOM(4, " purb->transfer_buffer = peasycap->" + "video_isoc_buffer[.].pgo;\n"); + JOM(4, " purb->transfer_buffer_length = %i;\n", + peasycap->video_isoc_buffer_size); + JOM(4, " purb->complete = easycap_complete;\n"); + JOM(4, " purb->context = peasycap;\n"); + JOM(4, " purb->start_frame = 0;\n"); + JOM(4, " purb->number_of_packets = %i;\n", + peasycap->video_isoc_framesperdesc); + JOM(4, " for (j = 0; j < %i; j++)\n", + peasycap->video_isoc_framesperdesc); + JOM(4, " {\n"); + JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n", + peasycap->video_isoc_maxframesize); + JOM(4, " purb->iso_frame_desc[j].length = %i;\n", + peasycap->video_isoc_maxframesize); + JOM(4, " }\n"); + } - purb->interval = 1; - purb->dev = peasycap->pusb_device; - purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, \ - peasycap->video_endpointnumber); - purb->transfer_flags = URB_ISO_ASAP; - purb->transfer_buffer = peasycap->video_isoc_buffer[k].pgo; - purb->transfer_buffer_length = \ - peasycap->video_isoc_buffer_size; - purb->complete = easycap_complete; - purb->context = peasycap; - purb->start_frame = 0; - purb->number_of_packets = peasycap->video_isoc_framesperdesc; - for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) { - purb->iso_frame_desc[j].offset = j * \ - peasycap->video_isoc_maxframesize; - purb->iso_frame_desc[j].length = \ - peasycap->video_isoc_maxframesize; + purb->interval = 1; + purb->dev = peasycap->pusb_device; + purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, + peasycap->video_endpointnumber); + purb->transfer_flags = URB_ISO_ASAP; + purb->transfer_buffer = peasycap->video_isoc_buffer[k].pgo; + purb->transfer_buffer_length = + peasycap->video_isoc_buffer_size; + purb->complete = easycap_complete; + purb->context = peasycap; + purb->start_frame = 0; + purb->number_of_packets = peasycap->video_isoc_framesperdesc; + for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) { + purb->iso_frame_desc[j].offset = j * + peasycap->video_isoc_maxframesize; + purb->iso_frame_desc[j].length = + peasycap->video_isoc_maxframesize; + } } - } - JOM(4, "allocation of %i struct urb done.\n", k); + JOM(4, "allocation of %i struct urb done.\n", k); /*--------------------------------------------------------------------------*/ /* * SAVE POINTER peasycap IN THIS INTERFACE. */ /*--------------------------------------------------------------------------*/ - usb_set_intfdata(pusb_interface, peasycap); + usb_set_intfdata(pusb_interface, peasycap); /*---------------------------------------------------------------------------*/ /* * IT IS ESSENTIAL TO INITIALIZE THE HARDWARE BEFORE, RATHER THAN AFTER, @@ -4343,448 +3853,435 @@ case 0: { * BEWARE. */ /*---------------------------------------------------------------------------*/ -#if defined(PREFER_NTSC) - peasycap->ntsc = true; - JOM(8, "defaulting initially to NTSC\n"); -#else - peasycap->ntsc = false; - JOM(8, "defaulting initially to PAL\n"); -#endif /*PREFER_NTSC*/ - rc = reset(peasycap); - if (0 != rc) { - SAM("ERROR: reset() returned %i\n", rc); - return -EFAULT; - } + peasycap->ntsc = easycap_ntsc; + JOM(8, "defaulting initially to %s\n", + easycap_ntsc ? "NTSC" : "PAL"); + rc = reset(peasycap); + if (rc) { + SAM("ERROR: reset() rc = %i\n", rc); + return -EFAULT; + } /*--------------------------------------------------------------------------*/ /* * THE VIDEO DEVICE CAN BE REGISTERED NOW, AS IT IS READY. */ /*--------------------------------------------------------------------------*/ -#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT)) - if (0 != (usb_register_dev(pusb_interface, &easycap_class))) { - err("Not able to get a minor for this device"); - usb_set_intfdata(pusb_interface, NULL); - return -ENODEV; - } else { - (peasycap->registered_video)++; - SAM("easycap attached to minor #%d\n", pusb_interface->minor); - break; - } -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#else -#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) - if (0 != (v4l2_device_register(&(pusb_interface->dev), \ - &(peasycap->v4l2_device)))) { - SAM("v4l2_device_register() failed\n"); - return -ENODEV; - } else { - JOM(4, "registered device instance: %s\n", \ - &(peasycap->v4l2_device.name[0])); - } + if (0 != (v4l2_device_register(&(pusb_interface->dev), + &(peasycap->v4l2_device)))) { + SAM("v4l2_device_register() failed\n"); + return -ENODEV; + } else { + JOM(4, "registered device instance: %s\n", + &(peasycap->v4l2_device.name[0])); + } /*---------------------------------------------------------------------------*/ /* - * FIXME + * FIXME * * * THIS IS BELIEVED TO BE HARMLESS, BUT MAY WELL BE UNNECESSARY OR WRONG: */ /*---------------------------------------------------------------------------*/ - peasycap->video_device.v4l2_dev = (struct v4l2_device *)NULL; + peasycap->video_device.v4l2_dev = NULL; /*---------------------------------------------------------------------------*/ -#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ - strcpy(&peasycap->video_device.name[0], "easycapdc60"); -#if defined(EASYCAP_NEEDS_V4L2_FOPS) - peasycap->video_device.fops = &v4l2_fops; -#else - peasycap->video_device.fops = &easycap_fops; -#endif /*EASYCAP_NEEDS_V4L2_FOPS*/ - peasycap->video_device.minor = -1; - peasycap->video_device.release = (void *)(&videodev_release); + strcpy(&peasycap->video_device.name[0], "easycapdc60"); + peasycap->video_device.fops = &v4l2_fops; + peasycap->video_device.minor = -1; + peasycap->video_device.release = (void *)(&videodev_release); - video_set_drvdata(&(peasycap->video_device), (void *)peasycap); + video_set_drvdata(&(peasycap->video_device), (void *)peasycap); - if (0 != (video_register_device(&(peasycap->video_device), \ - VFL_TYPE_GRABBER, -1))) { - err("Not able to register with videodev"); - videodev_release(&(peasycap->video_device)); - return -ENODEV; - } else { - (peasycap->registered_video)++; - SAM("registered with videodev: %i=minor\n", \ - peasycap->video_device.minor); - } -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ + if (0 != (video_register_device(&(peasycap->video_device), + VFL_TYPE_GRABBER, -1))) { + err("Not able to register with videodev"); + videodev_release(&(peasycap->video_device)); + return -ENODEV; + } else { + (peasycap->registered_video)++; + SAM("registered with videodev: %i=minor\n", + peasycap->video_device.minor); + peasycap->minor = peasycap->video_device.minor; + } /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ - break; -} + + break; + } /*--------------------------------------------------------------------------*/ /* * INTERFACE 1 IS THE AUDIO CONTROL INTERFACE * INTERFACE 2 IS THE AUDIO STREAMING INTERFACE */ /*--------------------------------------------------------------------------*/ -case 1: { - if (!peasycap) { - SAM("ERROR: peasycap is NULL\n"); - return -EFAULT; - } + case 1: { + if (!peasycap) { + SAM("MISTAKE: peasycap is NULL\n"); + return -EFAULT; + } /*--------------------------------------------------------------------------*/ /* * SAVE POINTER peasycap IN INTERFACE 1 */ /*--------------------------------------------------------------------------*/ - usb_set_intfdata(pusb_interface, peasycap); - JOM(4, "no initialization required for interface %i\n", \ - pusb_interface_descriptor->bInterfaceNumber); - break; -} -/*--------------------------------------------------------------------------*/ -case 2: { - if (!peasycap) { - SAM("MISTAKE: peasycap is NULL\n"); - return -EFAULT; - } - if (!isokalt) { - SAM("ERROR: no viable audio_altsetting_on\n"); - return -ENOENT; - } else { - peasycap->audio_altsetting_on = okalt[isokalt - 1]; - JOM(4, "%i=audio_altsetting_on <====\n", \ - peasycap->audio_altsetting_on); - } - - peasycap->audio_endpointnumber = okepn[isokalt - 1]; - JOM(4, "%i=audio_endpointnumber\n", peasycap->audio_endpointnumber); - - peasycap->audio_isoc_maxframesize = okmps[isokalt - 1]; - JOM(4, "%i=audio_isoc_maxframesize\n", \ - peasycap->audio_isoc_maxframesize); - if (0 >= peasycap->audio_isoc_maxframesize) { - SAM("ERROR: bad audio_isoc_maxframesize\n"); - return -ENOENT; - } - if (9 == peasycap->audio_isoc_maxframesize) { - peasycap->ilk |= 0x02; - SAM("hardware is FOUR-CVBS\n"); - peasycap->microphone = true; - peasycap->audio_pages_per_fragment = 4; - } else if (256 == peasycap->audio_isoc_maxframesize) { - peasycap->ilk &= ~0x02; - SAM("hardware is CVBS+S-VIDEO\n"); - peasycap->microphone = false; - peasycap->audio_pages_per_fragment = 4; - } else { - SAM("hardware is unidentified:\n"); - SAM("%i=audio_isoc_maxframesize\n", \ - peasycap->audio_isoc_maxframesize); - return -ENOENT; + usb_set_intfdata(pusb_interface, peasycap); + JOM(4, "no initialization required for interface %i\n", + pusb_interface_descriptor->bInterfaceNumber); + break; } +/*--------------------------------------------------------------------------*/ + case 2: { + if (!peasycap) { + SAM("MISTAKE: peasycap is NULL\n"); + return -EFAULT; + } + if (!isokalt) { + SAM("ERROR: no viable audio_altsetting_on\n"); + return -ENOENT; + } else { + peasycap->audio_altsetting_on = okalt[isokalt - 1]; + JOM(4, "%i=audio_altsetting_on <====\n", + peasycap->audio_altsetting_on); + } - peasycap->audio_bytes_per_fragment = \ - peasycap->audio_pages_per_fragment * \ - PAGE_SIZE ; - peasycap->audio_buffer_page_many = (AUDIO_FRAGMENT_MANY * \ - peasycap->audio_pages_per_fragment); - - JOM(4, "%6i=AUDIO_FRAGMENT_MANY\n", AUDIO_FRAGMENT_MANY); - JOM(4, "%6i=audio_pages_per_fragment\n", \ - peasycap->audio_pages_per_fragment); - JOM(4, "%6i=audio_bytes_per_fragment\n", \ - peasycap->audio_bytes_per_fragment); - JOM(4, "%6i=audio_buffer_page_many\n", \ - peasycap->audio_buffer_page_many); + peasycap->audio_endpointnumber = okepn[isokalt - 1]; + JOM(4, "%i=audio_endpointnumber\n", peasycap->audio_endpointnumber); - peasycap->audio_isoc_framesperdesc = 128; + peasycap->audio_isoc_maxframesize = okmps[isokalt - 1]; + JOM(4, "%i=audio_isoc_maxframesize\n", + peasycap->audio_isoc_maxframesize); + if (0 >= peasycap->audio_isoc_maxframesize) { + SAM("ERROR: bad audio_isoc_maxframesize\n"); + return -ENOENT; + } + if (9 == peasycap->audio_isoc_maxframesize) { + peasycap->ilk |= 0x02; + SAM("audio hardware is microphone\n"); + peasycap->microphone = true; + peasycap->audio_pages_per_fragment = + PAGES_PER_AUDIO_FRAGMENT; + } else if (256 == peasycap->audio_isoc_maxframesize) { + peasycap->ilk &= ~0x02; + SAM("audio hardware is AC'97\n"); + peasycap->microphone = false; + peasycap->audio_pages_per_fragment = + PAGES_PER_AUDIO_FRAGMENT; + } else { + SAM("hardware is unidentified:\n"); + SAM("%i=audio_isoc_maxframesize\n", + peasycap->audio_isoc_maxframesize); + return -ENOENT; + } - JOM(4, "%i=audio_isoc_framesperdesc\n", \ - peasycap->audio_isoc_framesperdesc); - if (0 >= peasycap->audio_isoc_framesperdesc) { - SAM("ERROR: bad audio_isoc_framesperdesc\n"); - return -ENOENT; - } + peasycap->audio_bytes_per_fragment = + peasycap->audio_pages_per_fragment * PAGE_SIZE; + peasycap->audio_buffer_page_many = (AUDIO_FRAGMENT_MANY * + peasycap->audio_pages_per_fragment); + + JOM(4, "%6i=AUDIO_FRAGMENT_MANY\n", AUDIO_FRAGMENT_MANY); + JOM(4, "%6i=audio_pages_per_fragment\n", + peasycap->audio_pages_per_fragment); + JOM(4, "%6i=audio_bytes_per_fragment\n", + peasycap->audio_bytes_per_fragment); + JOM(4, "%6i=audio_buffer_page_many\n", + peasycap->audio_buffer_page_many); + + peasycap->audio_isoc_framesperdesc = AUDIO_ISOC_FRAMESPERDESC; + + JOM(4, "%i=audio_isoc_framesperdesc\n", + peasycap->audio_isoc_framesperdesc); + if (0 >= peasycap->audio_isoc_framesperdesc) { + SAM("ERROR: bad audio_isoc_framesperdesc\n"); + return -ENOENT; + } - peasycap->audio_isoc_buffer_size = \ - peasycap->audio_isoc_maxframesize * \ - peasycap->audio_isoc_framesperdesc; - JOM(4, "%i=audio_isoc_buffer_size\n", \ - peasycap->audio_isoc_buffer_size); - if (AUDIO_ISOC_BUFFER_SIZE < peasycap->audio_isoc_buffer_size) { - SAM("MISTAKE: audio_isoc_buffer_size bigger " - "than %li=AUDIO_ISOC_BUFFER_SIZE\n", \ - AUDIO_ISOC_BUFFER_SIZE); - return -EFAULT; - } - if (-1 == peasycap->audio_interface) { - SAM("MISTAKE: audio_interface is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->audio_altsetting_on) { - SAM("MISTAKE: audio_altsetting_on is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->audio_altsetting_off) { - SAM("MISTAKE: audio_interface_off is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->audio_endpointnumber) { - SAM("MISTAKE: audio_endpointnumber is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->audio_isoc_maxframesize) { - SAM("MISTAKE: audio_isoc_maxframesize is unset\n"); - return -EFAULT; - } - if (-1 == peasycap->audio_isoc_buffer_size) { - SAM("MISTAKE: audio_isoc_buffer_size is unset\n"); - return -EFAULT; - } + peasycap->audio_isoc_buffer_size = + peasycap->audio_isoc_maxframesize * + peasycap->audio_isoc_framesperdesc; + JOM(4, "%i=audio_isoc_buffer_size\n", + peasycap->audio_isoc_buffer_size); + if (AUDIO_ISOC_BUFFER_SIZE < peasycap->audio_isoc_buffer_size) { + SAM("MISTAKE: audio_isoc_buffer_size bigger " + "than %li=AUDIO_ISOC_BUFFER_SIZE\n", + AUDIO_ISOC_BUFFER_SIZE); + return -EFAULT; + } + if (-1 == peasycap->audio_interface) { + SAM("MISTAKE: audio_interface is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->audio_altsetting_on) { + SAM("MISTAKE: audio_altsetting_on is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->audio_altsetting_off) { + SAM("MISTAKE: audio_interface_off is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->audio_endpointnumber) { + SAM("MISTAKE: audio_endpointnumber is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->audio_isoc_maxframesize) { + SAM("MISTAKE: audio_isoc_maxframesize is unset\n"); + return -EFAULT; + } + if (-1 == peasycap->audio_isoc_buffer_size) { + SAM("MISTAKE: audio_isoc_buffer_size is unset\n"); + return -EFAULT; + } /*---------------------------------------------------------------------------*/ /* * ALLOCATE MEMORY FOR AUDIO BUFFERS. LISTS MUST BE INITIALIZED FIRST. */ /*---------------------------------------------------------------------------*/ - INIT_LIST_HEAD(&(peasycap->urb_audio_head)); - peasycap->purb_audio_head = &(peasycap->urb_audio_head); + INIT_LIST_HEAD(&(peasycap->urb_audio_head)); + peasycap->purb_audio_head = &(peasycap->urb_audio_head); - JOM(4, "allocating an audio buffer\n"); - JOM(4, ".... scattered over %i pages\n", \ - peasycap->audio_buffer_page_many); +#ifdef CONFIG_EASYCAP_OSS + JOM(4, "allocating an audio buffer\n"); + JOM(4, ".... scattered over %i pages\n", + peasycap->audio_buffer_page_many); - for (k = 0; k < peasycap->audio_buffer_page_many; k++) { - if ((void *)NULL != peasycap->audio_buffer[k].pgo) { - SAM("ERROR: attempting to reallocate audio buffers\n"); - } else { - pbuf = (void *) __get_free_page(GFP_KERNEL); - if ((void *)NULL == pbuf) { - SAM("ERROR: Could not allocate audio " \ - "buffer page %i\n", k); - return -ENOMEM; - } else - peasycap->allocation_audio_page += 1; + for (k = 0; k < peasycap->audio_buffer_page_many; k++) { + if (peasycap->audio_buffer[k].pgo) { + SAM("ERROR: attempting to reallocate audio buffers\n"); + } else { + pbuf = (void *) __get_free_page(GFP_KERNEL); + if (!pbuf) { + SAM("ERROR: Could not allocate audio " + "buffer page %i\n", k); + return -ENOMEM; + } else + peasycap->allocation_audio_page += 1; - peasycap->audio_buffer[k].pgo = pbuf; + peasycap->audio_buffer[k].pgo = pbuf; + } + peasycap->audio_buffer[k].pto = peasycap->audio_buffer[k].pgo; } - peasycap->audio_buffer[k].pto = peasycap->audio_buffer[k].pgo; - } - - peasycap->audio_fill = 0; - peasycap->audio_read = 0; - JOM(4, "allocation of audio buffer done: %i pages\n", k); -/*---------------------------------------------------------------------------*/ - JOM(4, "allocating %i isoc audio buffers of size %i\n", \ - AUDIO_ISOC_BUFFER_MANY, peasycap->audio_isoc_buffer_size); - JOM(4, ".... each occupying contiguous memory pages\n"); - for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { - pbuf = (void *)__get_free_pages(GFP_KERNEL, AUDIO_ISOC_ORDER); - if (NULL == pbuf) { - SAM("ERROR: Could not allocate isoc audio buffer " \ - "%i\n", k); - return -ENOMEM; - } else - peasycap->allocation_audio_page += \ - ((unsigned int)(0x01 << AUDIO_ISOC_ORDER)); + peasycap->audio_fill = 0; + peasycap->audio_read = 0; + JOM(4, "allocation of audio buffer done: %i pages\n", k); +#endif /* CONFIG_EASYCAP_OSS */ +/*---------------------------------------------------------------------------*/ + JOM(4, "allocating %i isoc audio buffers of size %i\n", + AUDIO_ISOC_BUFFER_MANY, + peasycap->audio_isoc_buffer_size); + JOM(4, ".... each occupying contiguous memory pages\n"); + + for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { + pbuf = (void *)__get_free_pages(GFP_KERNEL, + AUDIO_ISOC_ORDER); + if (!pbuf) { + SAM("ERROR: Could not allocate isoc audio buffer " + "%i\n", k); + return -ENOMEM; + } else + peasycap->allocation_audio_page += + BIT(AUDIO_ISOC_ORDER); - peasycap->audio_isoc_buffer[k].pgo = pbuf; - peasycap->audio_isoc_buffer[k].pto = pbuf + \ - peasycap->audio_isoc_buffer_size; - peasycap->audio_isoc_buffer[k].kount = k; - } - JOM(4, "allocation of isoc audio buffers done.\n"); + peasycap->audio_isoc_buffer[k].pgo = pbuf; + peasycap->audio_isoc_buffer[k].pto = pbuf + + peasycap->audio_isoc_buffer_size; + peasycap->audio_isoc_buffer[k].kount = k; + } + JOM(4, "allocation of isoc audio buffers done.\n"); /*---------------------------------------------------------------------------*/ /* * ALLOCATE AND INITIALIZE MULTIPLE struct urb ... */ /*---------------------------------------------------------------------------*/ - JOM(4, "allocating %i struct urb.\n", AUDIO_ISOC_BUFFER_MANY); - JOM(4, "using %i=peasycap->audio_isoc_framesperdesc\n", \ + JOM(4, "allocating %i struct urb.\n", AUDIO_ISOC_BUFFER_MANY); + JOM(4, "using %i=peasycap->audio_isoc_framesperdesc\n", peasycap->audio_isoc_framesperdesc); - JOM(4, "using %i=peasycap->audio_isoc_maxframesize\n", \ + JOM(4, "using %i=peasycap->audio_isoc_maxframesize\n", peasycap->audio_isoc_maxframesize); - JOM(4, "using %i=peasycap->audio_isoc_buffer_size\n", \ + JOM(4, "using %i=peasycap->audio_isoc_buffer_size\n", peasycap->audio_isoc_buffer_size); - for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { - purb = usb_alloc_urb(peasycap->audio_isoc_framesperdesc, \ + for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) { + purb = usb_alloc_urb(peasycap->audio_isoc_framesperdesc, GFP_KERNEL); - if (NULL == purb) { - SAM("ERROR: usb_alloc_urb returned NULL for buffer " \ - "%i\n", k); - return -ENOMEM; - } else + if (!purb) { + SAM("ERROR: usb_alloc_urb returned NULL for buffer " + "%i\n", k); + return -ENOMEM; + } peasycap->allocation_audio_urb += 1 ; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); - if (NULL == pdata_urb) { - SAM("ERROR: Could not allocate struct data_urb.\n"); - return -ENOMEM; - } else - peasycap->allocation_audio_struct += \ + pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL); + if (!pdata_urb) { + SAM("ERROR: Could not allocate struct data_urb.\n"); + return -ENOMEM; + } + peasycap->allocation_audio_struct += sizeof(struct data_urb); - pdata_urb->purb = purb; - pdata_urb->isbuf = k; - pdata_urb->length = 0; - list_add_tail(&(pdata_urb->list_head), \ - peasycap->purb_audio_head); + pdata_urb->purb = purb; + pdata_urb->isbuf = k; + pdata_urb->length = 0; + list_add_tail(&(pdata_urb->list_head), + peasycap->purb_audio_head); /*---------------------------------------------------------------------------*/ /* * ... AND INITIALIZE THEM */ /*---------------------------------------------------------------------------*/ - if (!k) { - JOM(4, "initializing audio urbs thus:\n"); - JOM(4, " purb->interval = 1;\n"); - JOM(4, " purb->dev = peasycap->pusb_device;\n"); - JOM(4, " purb->pipe = usb_rcvisocpipe(peasycap->" \ - "pusb_device,%i);\n", \ - peasycap->audio_endpointnumber); - JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); - JOM(4, " purb->transfer_buffer = " \ - "peasycap->audio_isoc_buffer[.].pgo;\n"); - JOM(4, " purb->transfer_buffer_length = %i;\n", \ + if (!k) { + JOM(4, "initializing audio urbs thus:\n"); + JOM(4, " purb->interval = 1;\n"); + JOM(4, " purb->dev = peasycap->pusb_device;\n"); + JOM(4, " purb->pipe = usb_rcvisocpipe(peasycap->" + "pusb_device,%i);\n", + peasycap->audio_endpointnumber); + JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n"); + JOM(4, " purb->transfer_buffer = " + "peasycap->audio_isoc_buffer[.].pgo;\n"); + JOM(4, " purb->transfer_buffer_length = %i;\n", peasycap->audio_isoc_buffer_size); - JOM(4, " purb->complete = easysnd_complete;\n"); - JOM(4, " purb->context = peasycap;\n"); - JOM(4, " purb->start_frame = 0;\n"); - JOM(4, " purb->number_of_packets = %i;\n", \ - peasycap->audio_isoc_framesperdesc); - JOM(4, " for (j = 0; j < %i; j++)\n", \ - peasycap->audio_isoc_framesperdesc); - JOM(4, " {\n"); - JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n",\ +#ifdef CONFIG_EASYCAP_OSS + JOM(4, " purb->complete = easyoss_complete;\n"); +#else /* CONFIG_EASYCAP_OSS */ + JOM(4, " purb->complete = easycap_alsa_complete;\n"); +#endif /* CONFIG_EASYCAP_OSS */ + JOM(4, " purb->context = peasycap;\n"); + JOM(4, " purb->start_frame = 0;\n"); + JOM(4, " purb->number_of_packets = %i;\n", + peasycap->audio_isoc_framesperdesc); + JOM(4, " for (j = 0; j < %i; j++)\n", + peasycap->audio_isoc_framesperdesc); + JOM(4, " {\n"); + JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n", peasycap->audio_isoc_maxframesize); - JOM(4, " purb->iso_frame_desc[j].length = %i;\n", \ + JOM(4, " purb->iso_frame_desc[j].length = %i;\n", peasycap->audio_isoc_maxframesize); - JOM(4, " }\n"); + JOM(4, " }\n"); } - purb->interval = 1; - purb->dev = peasycap->pusb_device; - purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, \ - peasycap->audio_endpointnumber); - purb->transfer_flags = URB_ISO_ASAP; - purb->transfer_buffer = peasycap->audio_isoc_buffer[k].pgo; - purb->transfer_buffer_length = \ - peasycap->audio_isoc_buffer_size; - purb->complete = easysnd_complete; - purb->context = peasycap; - purb->start_frame = 0; - purb->number_of_packets = peasycap->audio_isoc_framesperdesc; - for (j = 0; j < peasycap->audio_isoc_framesperdesc; j++) { - purb->iso_frame_desc[j].offset = j * \ - peasycap->audio_isoc_maxframesize; - purb->iso_frame_desc[j].length = \ - peasycap->audio_isoc_maxframesize; + purb->interval = 1; + purb->dev = peasycap->pusb_device; + purb->pipe = usb_rcvisocpipe(peasycap->pusb_device, + peasycap->audio_endpointnumber); + purb->transfer_flags = URB_ISO_ASAP; + purb->transfer_buffer = peasycap->audio_isoc_buffer[k].pgo; + purb->transfer_buffer_length = + peasycap->audio_isoc_buffer_size; +#ifdef CONFIG_EASYCAP_OSS + purb->complete = easyoss_complete; +#else /* CONFIG_EASYCAP_OSS */ + purb->complete = easycap_alsa_complete; +#endif /* CONFIG_EASYCAP_OSS */ + purb->context = peasycap; + purb->start_frame = 0; + purb->number_of_packets = peasycap->audio_isoc_framesperdesc; + for (j = 0; j < peasycap->audio_isoc_framesperdesc; j++) { + purb->iso_frame_desc[j].offset = j * + peasycap->audio_isoc_maxframesize; + purb->iso_frame_desc[j].length = + peasycap->audio_isoc_maxframesize; + } } - } - JOM(4, "allocation of %i struct urb done.\n", k); + JOM(4, "allocation of %i struct urb done.\n", k); /*---------------------------------------------------------------------------*/ /* * SAVE POINTER peasycap IN THIS INTERFACE. */ /*---------------------------------------------------------------------------*/ - usb_set_intfdata(pusb_interface, peasycap); + usb_set_intfdata(pusb_interface, peasycap); /*---------------------------------------------------------------------------*/ /* * THE AUDIO DEVICE CAN BE REGISTERED NOW, AS IT IS READY. */ /*---------------------------------------------------------------------------*/ - rc = usb_register_dev(pusb_interface, &easysnd_class); - if (0 != rc) { - err("Not able to get a minor for this device."); - usb_set_intfdata(pusb_interface, NULL); - return -ENODEV; - } else { - JOM(8, "kref_get() with %i=peasycap->kref.refcount.counter\n",\ - (int)peasycap->kref.refcount.counter); - kref_get(&peasycap->kref); - (peasycap->registered_audio)++; +#ifndef CONFIG_EASYCAP_OSS + JOM(4, "initializing ALSA card\n"); + + rc = easycap_alsa_probe(peasycap); + if (rc) { + err("easycap_alsa_probe() rc = %i\n", rc); + return -ENODEV; + } else { + JOM(8, "kref_get() with %i=kref.refcount.counter\n", + peasycap->kref.refcount.counter); + kref_get(&peasycap->kref); + peasycap->registered_audio++; + } + +#else /* CONFIG_EASYCAP_OSS */ + rc = usb_register_dev(pusb_interface, &easyoss_class); + if (rc) { + SAY("ERROR: usb_register_dev() failed\n"); + usb_set_intfdata(pusb_interface, NULL); + return -ENODEV; + } else { + JOM(8, "kref_get() with %i=kref.refcount.counter\n", + peasycap->kref.refcount.counter); + kref_get(&peasycap->kref); + peasycap->registered_audio++; + } + SAM("easyoss attached to minor #%d\n", pusb_interface->minor); +#endif /* CONFIG_EASYCAP_OSS */ + + break; } /*---------------------------------------------------------------------------*/ /* - * LET THE USER KNOW WHAT NODE THE AUDIO DEVICE IS ATTACHED TO. - */ -/*---------------------------------------------------------------------------*/ - SAM("easysnd attached to minor #%d\n", pusb_interface->minor); - break; -} -/*---------------------------------------------------------------------------*/ -/* * INTERFACES OTHER THAN 0, 1 AND 2 ARE UNEXPECTED */ /*---------------------------------------------------------------------------*/ -default: { - JOM(4, "ERROR: unexpected interface %i\n", bInterfaceNumber); - return -EINVAL; -} -} -JOM(4, "ends successfully for interface %i\n", \ - pusb_interface_descriptor->bInterfaceNumber); -return 0; + default: + JOM(4, "ERROR: unexpected interface %i\n", bInterfaceNumber); + return -EINVAL; + } + SAM("ends successfully for interface %i\n", bInterfaceNumber); + return 0; } /*****************************************************************************/ /*---------------------------------------------------------------------------*/ /* * WHEN THIS FUNCTION IS CALLED THE EasyCAP HAS ALREADY BEEN PHYSICALLY * UNPLUGGED. HENCE peasycap->pusb_device IS NO LONGER VALID. + * + * THIS FUNCTION AFFECTS BOTH OSS AND ALSA. BEWARE. */ /*---------------------------------------------------------------------------*/ -void -easycap_usb_disconnect(struct usb_interface *pusb_interface) +static void easycap_usb_disconnect(struct usb_interface *pusb_interface) { -struct usb_host_interface *pusb_host_interface; -struct usb_interface_descriptor *pusb_interface_descriptor; -__u8 bInterfaceNumber; -struct easycap *peasycap; - -struct list_head *plist_head; -struct data_urb *pdata_urb; -int minor, m, kd; -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#if defined(EASYCAP_IS_VIDEODEV_CLIENT) -#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) -struct v4l2_device *pv4l2_device; -#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + struct usb_host_interface *pusb_host_interface; + struct usb_interface_descriptor *pusb_interface_descriptor; + u8 bInterfaceNumber; + struct easycap *peasycap; -JOT(4, "\n"); + struct list_head *plist_head; + struct data_urb *pdata_urb; + int minor, m, kd; + struct v4l2_device *pv4l2_device; -if ((struct usb_interface *)NULL == pusb_interface) { - JOT(4, "ERROR: pusb_interface is NULL\n"); - return; -} -pusb_host_interface = pusb_interface->cur_altsetting; -if ((struct usb_host_interface *)NULL == pusb_host_interface) { - JOT(4, "ERROR: pusb_host_interface is NULL\n"); - return; -} -pusb_interface_descriptor = &(pusb_host_interface->desc); -if ((struct usb_interface_descriptor *)NULL == pusb_interface_descriptor) { - JOT(4, "ERROR: pusb_interface_descriptor is NULL\n"); - return; -} -bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber; -minor = pusb_interface->minor; -JOT(4, "intf[%i]: minor=%i\n", bInterfaceNumber, minor); + JOT(4, "\n"); -if (1 == bInterfaceNumber) - return; + pusb_host_interface = pusb_interface->cur_altsetting; + if (!pusb_host_interface) { + JOT(4, "ERROR: pusb_host_interface is NULL\n"); + return; + } + pusb_interface_descriptor = &(pusb_host_interface->desc); + if (!pusb_interface_descriptor) { + JOT(4, "ERROR: pusb_interface_descriptor is NULL\n"); + return; + } + bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber; + minor = pusb_interface->minor; + JOT(4, "intf[%i]: minor=%i\n", bInterfaceNumber, minor); -peasycap = usb_get_intfdata(pusb_interface); -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return; -} -/*---------------------------------------------------------------------------*/ -#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT)) -# -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#else -#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) + if (1 == bInterfaceNumber) + return; + + peasycap = usb_get_intfdata(pusb_interface); + if (!peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return; + } /*---------------------------------------------------------------------------*/ /* * SOME VERSIONS OF THE videodev MODULE OVERWRITE THE DATA WHICH HAS @@ -4793,80 +4290,72 @@ if (NULL == peasycap) { * TO DETECT THIS, THE STRING IN THE easycap.telltale[] BUFFER IS CHECKED. */ /*---------------------------------------------------------------------------*/ -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - pv4l2_device = usb_get_intfdata(pusb_interface); - if ((struct v4l2_device *)NULL == pv4l2_device) { - SAY("ERROR: pv4l2_device is NULL\n"); - return; + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + pv4l2_device = usb_get_intfdata(pusb_interface); + if (!pv4l2_device) { + SAY("ERROR: pv4l2_device is NULL\n"); + return; + } + peasycap = (struct easycap *) + container_of(pv4l2_device, struct easycap, v4l2_device); } - peasycap = (struct easycap *) \ - container_of(pv4l2_device, struct easycap, v4l2_device); -} -#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ -# -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ /*---------------------------------------------------------------------------*/ -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: 0x%08lX\n", (unsigned long int) peasycap); - return; -} + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return; + } /*---------------------------------------------------------------------------*/ /* * IF THE WAIT QUEUES ARE NOT CLEARED A DEADLOCK IS POSSIBLE. BEWARE. */ /*---------------------------------------------------------------------------*/ -peasycap->video_eof = 1; -peasycap->audio_eof = 1; -wake_up_interruptible(&(peasycap->wq_video)); -wake_up_interruptible(&(peasycap->wq_audio)); -/*---------------------------------------------------------------------------*/ -switch (bInterfaceNumber) { -case 0: { - if ((struct list_head *)NULL != peasycap->purb_video_head) { - JOM(4, "killing video urbs\n"); - m = 0; - list_for_each(plist_head, (peasycap->purb_video_head)) - { - pdata_urb = list_entry(plist_head, \ - struct data_urb, list_head); - if ((struct data_urb *)NULL != pdata_urb) { - if ((struct urb *)NULL != \ - pdata_urb->purb) { - usb_kill_urb(pdata_urb->purb); - m++; + peasycap->video_eof = 1; + peasycap->audio_eof = 1; + wake_up_interruptible(&(peasycap->wq_video)); + wake_up_interruptible(&(peasycap->wq_audio)); +/*---------------------------------------------------------------------------*/ + switch (bInterfaceNumber) { + case 0: { + if (peasycap->purb_video_head) { + JOM(4, "killing video urbs\n"); + m = 0; + list_for_each(plist_head, peasycap->purb_video_head) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb) { + if (pdata_urb->purb) { + usb_kill_urb(pdata_urb->purb); + m++; + } } } + JOM(4, "%i video urbs killed\n", m); } - JOM(4, "%i video urbs killed\n", m); + break; } - break; -} /*---------------------------------------------------------------------------*/ -case 2: { - if ((struct list_head *)NULL != peasycap->purb_audio_head) { - JOM(4, "killing audio urbs\n"); - m = 0; - list_for_each(plist_head, \ - (peasycap->purb_audio_head)) { - pdata_urb = list_entry(plist_head, \ - struct data_urb, list_head); - if ((struct data_urb *)NULL != pdata_urb) { - if ((struct urb *)NULL != \ - pdata_urb->purb) { - usb_kill_urb(pdata_urb->purb); - m++; + case 2: { + if (peasycap->purb_audio_head) { + JOM(4, "killing audio urbs\n"); + m = 0; + list_for_each(plist_head, peasycap->purb_audio_head) { + pdata_urb = list_entry(plist_head, + struct data_urb, list_head); + if (pdata_urb) { + if (pdata_urb->purb) { + usb_kill_urb(pdata_urb->purb); + m++; + } } } + JOM(4, "%i audio urbs killed\n", m); } - JOM(4, "%i audio urbs killed\n", m); + break; + } + default: + break; } - break; -} -/*---------------------------------------------------------------------------*/ -default: - break; -} /*--------------------------------------------------------------------------*/ /* * DEREGISTER @@ -4876,183 +4365,174 @@ default: * AN EasyCAP IS UNPLUGGED WHILE THE URBS ARE RUNNING. BEWARE. */ /*--------------------------------------------------------------------------*/ -kd = isdongle(peasycap); -switch (bInterfaceNumber) { -case 0: { - if (0 <= kd && DONGLE_MANY > kd) { - wake_up_interruptible(&peasycap->wq_video); - JOM(4, "about to lock easycap_dongle[%i].mutex_video\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].\ + kd = isdongle(peasycap); + switch (bInterfaceNumber) { + case 0: { + if (0 <= kd && DONGLE_MANY > kd) { + wake_up_interruptible(&peasycap->wq_video); + JOM(4, "about to lock dongle[%i].mutex_video\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd]. mutex_video)) { - SAY("ERROR: cannot lock easycap_dongle[%i]." \ - "mutex_video\n", kd); - return; + SAY("ERROR: " + "cannot lock dongle[%i].mutex_video\n", kd); + return; + } + JOM(4, "locked dongle[%i].mutex_video\n", kd); + } else { + SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd); } - JOM(4, "locked easycap_dongle[%i].mutex_video\n", kd); - } else - SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd); /*---------------------------------------------------------------------------*/ -#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT)) - if ((struct easycap *)NULL == peasycap) { - SAM("ERROR: peasycap has become NULL\n"); - } else { - usb_deregister_dev(pusb_interface, &easycap_class); - (peasycap->registered_video)--; - JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber); - SAM("easycap detached from minor #%d\n", minor); - } -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#else -#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H) - if (!peasycap->v4l2_device.name[0]) { - SAM("ERROR: peasycap->v4l2_device.name is empty\n"); - if (0 <= kd && DONGLE_MANY > kd) - mutex_unlock(&easycap_dongle[kd].mutex_video); - return; - } - v4l2_device_disconnect(&peasycap->v4l2_device); - JOM(4, "v4l2_device_disconnect() OK\n"); - v4l2_device_unregister(&peasycap->v4l2_device); - JOM(4, "v4l2_device_unregister() OK\n"); -#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/ - - video_unregister_device(&peasycap->video_device); - JOM(4, "intf[%i]: video_unregister_device() OK\n", bInterfaceNumber); - (peasycap->registered_video)--; - JOM(4, "unregistered with videodev: %i=minor\n", minor); -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ + if (!peasycap->v4l2_device.name[0]) { + SAM("ERROR: peasycap->v4l2_device.name is empty\n"); + if (0 <= kd && DONGLE_MANY > kd) + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + return; + } + v4l2_device_disconnect(&peasycap->v4l2_device); + JOM(4, "v4l2_device_disconnect() OK\n"); + v4l2_device_unregister(&peasycap->v4l2_device); + JOM(4, "v4l2_device_unregister() OK\n"); + + video_unregister_device(&peasycap->video_device); + JOM(4, "intf[%i]: video_unregister_device() minor=%i\n", + bInterfaceNumber, minor); + peasycap->registered_video--; /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ - if (0 <= kd && DONGLE_MANY > kd) { - mutex_unlock(&easycap_dongle[kd].mutex_video); - JOM(4, "unlocked easycap_dongle[%i].mutex_video\n", kd); + if (0 <= kd && DONGLE_MANY > kd) { + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + JOM(4, "unlocked dongle[%i].mutex_video\n", kd); + } + break; } - break; -} -case 2: { - if (0 <= kd && DONGLE_MANY > kd) { - wake_up_interruptible(&peasycap->wq_audio); - JOM(4, "about to lock easycap_dongle[%i].mutex_audio\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].\ + case 2: { + if (0 <= kd && DONGLE_MANY > kd) { + wake_up_interruptible(&peasycap->wq_audio); + JOM(4, "about to lock dongle[%i].mutex_audio\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd]. mutex_audio)) { - SAY("ERROR: cannot lock easycap_dongle[%i]." \ - "mutex_audio\n", kd); - return; + SAY("ERROR: " + "cannot lock dongle[%i].mutex_audio\n", kd); + return; + } + JOM(4, "locked dongle[%i].mutex_audio\n", kd); + } else + SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd); +#ifndef CONFIG_EASYCAP_OSS + if (0 != snd_card_free(peasycap->psnd_card)) { + SAY("ERROR: snd_card_free() failed\n"); + } else { + peasycap->psnd_card = NULL; + (peasycap->registered_audio)--; } - JOM(4, "locked easycap_dongle[%i].mutex_audio\n", kd); - } else - SAY("ERROR: %i=kd is bad: cannot lock dongle\n", kd); - - usb_deregister_dev(pusb_interface, &easysnd_class); - (peasycap->registered_audio)--; - - JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber); - SAM("easysnd detached from minor #%d\n", minor); - - if (0 <= kd && DONGLE_MANY > kd) { - mutex_unlock(&easycap_dongle[kd].mutex_audio); - JOM(4, "unlocked easycap_dongle[%i].mutex_audio\n", kd); +#else /* CONFIG_EASYCAP_OSS */ + usb_deregister_dev(pusb_interface, &easyoss_class); + peasycap->registered_audio--; + JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber); + SAM("easyoss detached from minor #%d\n", minor); +#endif /* CONFIG_EASYCAP_OSS */ + if (0 <= kd && DONGLE_MANY > kd) { + mutex_unlock(&easycapdc60_dongle[kd].mutex_audio); + JOM(4, "unlocked dongle[%i].mutex_audio\n", kd); + } + break; + } + default: + break; } - break; -} -default: - break; -} /*---------------------------------------------------------------------------*/ /* * CALL easycap_delete() IF NO REMAINING REFERENCES TO peasycap + * (ALSO WHEN ALSA HAS BEEN IN USE) */ /*---------------------------------------------------------------------------*/ -if (!peasycap->kref.refcount.counter) { - SAM("ERROR: peasycap->kref.refcount.counter is zero " - "so cannot call kref_put()\n"); - SAM("ending unsuccessfully: may cause memory leak\n"); - return; -} -if (0 <= kd && DONGLE_MANY > kd) { - JOM(4, "about to lock easycap_dongle[%i].mutex_video\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_video)) { - SAY("ERROR: cannot down easycap_dongle[%i].mutex_video\n", kd); - SAM("ending unsuccessfully: may cause memory leak\n"); - return; - } - JOM(4, "locked easycap_dongle[%i].mutex_video\n", kd); - JOM(4, "about to lock easycap_dongle[%i].mutex_audio\n", kd); - if (mutex_lock_interruptible(&easycap_dongle[kd].mutex_audio)) { - SAY("ERROR: cannot down easycap_dongle[%i].mutex_audio\n", kd); - mutex_unlock(&(easycap_dongle[kd].mutex_video)); - JOM(4, "unlocked easycap_dongle[%i].mutex_video\n", kd); + if (!peasycap->kref.refcount.counter) { + SAM("ERROR: peasycap->kref.refcount.counter is zero " + "so cannot call kref_put()\n"); SAM("ending unsuccessfully: may cause memory leak\n"); return; } - JOM(4, "locked easycap_dongle[%i].mutex_audio\n", kd); -} -JOM(4, "intf[%i]: %i=peasycap->kref.refcount.counter\n", \ - bInterfaceNumber, (int)peasycap->kref.refcount.counter); -kref_put(&peasycap->kref, easycap_delete); -JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber); -if (0 <= kd && DONGLE_MANY > kd) { - mutex_unlock(&(easycap_dongle[kd].mutex_audio)); - JOT(4, "unlocked easycap_dongle[%i].mutex_audio\n", kd); - mutex_unlock(&easycap_dongle[kd].mutex_video); - JOT(4, "unlocked easycap_dongle[%i].mutex_video\n", kd); -} + if (0 <= kd && DONGLE_MANY > kd) { + JOM(4, "about to lock dongle[%i].mutex_video\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) { + SAY("ERROR: cannot lock dongle[%i].mutex_video\n", kd); + SAM("ending unsuccessfully: may cause memory leak\n"); + return; + } + JOM(4, "locked dongle[%i].mutex_video\n", kd); + JOM(4, "about to lock dongle[%i].mutex_audio\n", kd); + if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_audio)) { + SAY("ERROR: cannot lock dongle[%i].mutex_audio\n", kd); + mutex_unlock(&(easycapdc60_dongle[kd].mutex_video)); + JOM(4, "unlocked dongle[%i].mutex_video\n", kd); + SAM("ending unsuccessfully: may cause memory leak\n"); + return; + } + JOM(4, "locked dongle[%i].mutex_audio\n", kd); + } + JOM(4, "intf[%i]: %i=peasycap->kref.refcount.counter\n", + bInterfaceNumber, (int)peasycap->kref.refcount.counter); + kref_put(&peasycap->kref, easycap_delete); + JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber); + if (0 <= kd && DONGLE_MANY > kd) { + mutex_unlock(&(easycapdc60_dongle[kd].mutex_audio)); + JOT(4, "unlocked dongle[%i].mutex_audio\n", kd); + mutex_unlock(&easycapdc60_dongle[kd].mutex_video); + JOT(4, "unlocked dongle[%i].mutex_video\n", kd); + } /*---------------------------------------------------------------------------*/ -JOM(4, "ends\n"); -return; + JOM(4, "ends\n"); + return; } /*****************************************************************************/ -int __init -easycap_module_init(void) -{ -int result; -SAY("========easycap=======\n"); -JOT(4, "begins. %i=debug %i=bars %i=gain\n", easycap_debug, easycap_bars, \ - easycap_gain); -SAY("version: " EASYCAP_DRIVER_VERSION "\n"); /*---------------------------------------------------------------------------*/ /* - * REGISTER THIS DRIVER WITH THE USB SUBSYTEM. + * PARAMETERS APPLICABLE TO ENTIRE DRIVER, I.E. BOTH VIDEO AND AUDIO */ /*---------------------------------------------------------------------------*/ -JOT(4, "registering driver easycap\n"); +static struct usb_device_id easycap_usb_device_id_table[] = { + {USB_DEVICE(USB_EASYCAP_VENDOR_ID, USB_EASYCAP_PRODUCT_ID)}, + { } +}; -result = usb_register(&easycap_usb_driver); -if (0 != result) - SAY("ERROR: usb_register returned %i\n", result); +MODULE_DEVICE_TABLE(usb, easycap_usb_device_id_table); +struct usb_driver easycap_usb_driver = { + .name = "easycap", + .id_table = easycap_usb_device_id_table, + .probe = easycap_usb_probe, + .disconnect = easycap_usb_disconnect, +}; -JOT(4, "ends\n"); -return result; -} -/*****************************************************************************/ -void __exit -easycap_module_exit(void) +static int __init easycap_module_init(void) { -JOT(4, "begins\n"); + int k, rc; -/*---------------------------------------------------------------------------*/ -/* - * DEREGISTER THIS DRIVER WITH THE USB SUBSYTEM. - */ -/*---------------------------------------------------------------------------*/ -usb_deregister(&easycap_usb_driver); + printk(KERN_INFO "Easycap version: "EASYCAP_DRIVER_VERSION "\n"); + + JOT(4, "begins. %i=debug %i=bars %i=gain\n", + easycap_debug, easycap_bars, easycap_gain); + + mutex_init(&mutex_dongle); + for (k = 0; k < DONGLE_MANY; k++) { + easycapdc60_dongle[k].peasycap = NULL; + mutex_init(&easycapdc60_dongle[k].mutex_video); + mutex_init(&easycapdc60_dongle[k].mutex_audio); + } + rc = usb_register(&easycap_usb_driver); + if (rc) + printk(KERN_ERR "Easycap: usb_register failed rc=%d\n", rc); -JOT(4, "ends\n"); + return rc; +} +/*****************************************************************************/ +static void __exit easycap_module_exit(void) +{ + usb_deregister(&easycap_usb_driver); } /*****************************************************************************/ module_init(easycap_module_init); module_exit(easycap_module_exit); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("R.M. Thomas <rmthomas@sciolus.org>"); -MODULE_DESCRIPTION(EASYCAP_DRIVER_DESCRIPTION); -MODULE_VERSION(EASYCAP_DRIVER_VERSION); -#if defined(EASYCAP_DEBUG) -MODULE_PARM_DESC(debug, "Debug level: 0(default),1,2,...,9"); -#endif /*EASYCAP_DEBUG*/ -MODULE_PARM_DESC(bars, \ - "Testcard bars on input signal failure: 0=>no, 1=>yes(default)"); -MODULE_PARM_DESC(gain, "Audio gain: 0,...,16(default),...31"); /*****************************************************************************/ |