diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-empress.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-empress.c | 590 |
1 files changed, 0 insertions, 590 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c deleted file mode 100644 index dde361a9194e..000000000000 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ /dev/null @@ -1,590 +0,0 @@ -/* - * - * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/delay.h> - -#include "saa7134-reg.h" -#include "saa7134.h" - -#include <media/saa6752hs.h> -#include <media/v4l2-common.h> -#include <media/v4l2-chip-ident.h> - -/* ------------------------------------------------------------------ */ - -MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); -MODULE_LICENSE("GPL"); - -static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; - -module_param_array(empress_nr, int, NULL, 0444); -MODULE_PARM_DESC(empress_nr,"ts device number"); - -static unsigned int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug,"enable debug messages"); - -#define dprintk(fmt, arg...) if (debug) \ - printk(KERN_DEBUG "%s/empress: " fmt, dev->name , ## arg) - -/* ------------------------------------------------------------------ */ - -static void ts_reset_encoder(struct saa7134_dev* dev) -{ - if (!dev->empress_started) - return; - - saa_writeb(SAA7134_SPECIAL_MODE, 0x00); - msleep(10); - saa_writeb(SAA7134_SPECIAL_MODE, 0x01); - msleep(100); - dev->empress_started = 0; -} - -static int ts_init_encoder(struct saa7134_dev* dev) -{ - u32 leading_null_bytes = 0; - - /* If more cards start to need this, then this - should probably be added to the card definitions. */ - switch (dev->board) { - case SAA7134_BOARD_BEHOLD_M6: - case SAA7134_BOARD_BEHOLD_M63: - case SAA7134_BOARD_BEHOLD_M6_EXTRA: - leading_null_bytes = 1; - break; - } - ts_reset_encoder(dev); - saa_call_all(dev, core, init, leading_null_bytes); - dev->empress_started = 1; - return 0; -} - -/* ------------------------------------------------------------------ */ - -static int ts_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct saa7134_dev *dev = video_drvdata(file); - int err; - - dprintk("open dev=%s\n", video_device_node_name(vdev)); - err = -EBUSY; - if (!mutex_trylock(&dev->empress_tsq.vb_lock)) - return err; - if (atomic_read(&dev->empress_users)) - goto done; - - /* Unmute audio */ - saa_writeb(SAA7134_AUDIO_MUTE_CTRL, - saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6)); - - atomic_inc(&dev->empress_users); - file->private_data = dev; - err = 0; - -done: - mutex_unlock(&dev->empress_tsq.vb_lock); - return err; -} - -static int ts_release(struct file *file) -{ - struct saa7134_dev *dev = file->private_data; - - videobuf_stop(&dev->empress_tsq); - videobuf_mmap_free(&dev->empress_tsq); - - /* stop the encoder */ - ts_reset_encoder(dev); - - /* Mute audio */ - saa_writeb(SAA7134_AUDIO_MUTE_CTRL, - saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6)); - - atomic_dec(&dev->empress_users); - - return 0; -} - -static ssize_t -ts_read(struct file *file, char __user *data, size_t count, loff_t *ppos) -{ - struct saa7134_dev *dev = file->private_data; - - if (!dev->empress_started) - ts_init_encoder(dev); - - return videobuf_read_stream(&dev->empress_tsq, - data, count, ppos, 0, - file->f_flags & O_NONBLOCK); -} - -static unsigned int -ts_poll(struct file *file, struct poll_table_struct *wait) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_poll_stream(file, &dev->empress_tsq, wait); -} - - -static int -ts_mmap(struct file *file, struct vm_area_struct * vma) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_mmap_mapper(&dev->empress_tsq, vma); -} - -/* - * This function is _not_ called directly, but from - * video_generic_ioctl (and maybe others). userspace - * copying is done already, arg is a kernel pointer. - */ - -static int empress_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct saa7134_dev *dev = file->private_data; - - strcpy(cap->driver, "saa7134"); - strlcpy(cap->card, saa7134_boards[dev->board].name, - sizeof(cap->card)); - sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); - cap->capabilities = - V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING; - return 0; -} - -static int empress_enum_input(struct file *file, void *priv, - struct v4l2_input *i) -{ - if (i->index != 0) - return -EINVAL; - - i->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(i->name, "CCIR656"); - - return 0; -} - -static int empress_g_input(struct file *file, void *priv, unsigned int *i) -{ - *i = 0; - return 0; -} - -static int empress_s_input(struct file *file, void *priv, unsigned int i) -{ - if (i != 0) - return -EINVAL; - - return 0; -} - -static int empress_enum_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (f->index != 0) - return -EINVAL; - - strlcpy(f->description, "MPEG TS", sizeof(f->description)); - f->pixelformat = V4L2_PIX_FMT_MPEG; - - return 0; -} - -static int empress_g_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct saa7134_dev *dev = file->private_data; - struct v4l2_mbus_framefmt mbus_fmt; - - saa_call_all(dev, video, g_mbus_fmt, &mbus_fmt); - - v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); - f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; - f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; - - return 0; -} - -static int empress_s_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct saa7134_dev *dev = file->private_data; - struct v4l2_mbus_framefmt mbus_fmt; - - v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); - saa_call_all(dev, video, s_mbus_fmt, &mbus_fmt); - v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); - - f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; - f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; - - return 0; -} - -static int empress_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct saa7134_dev *dev = file->private_data; - - f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; - f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets; - - return 0; -} - -static int empress_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *p) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_reqbufs(&dev->empress_tsq, p); -} - -static int empress_querybuf(struct file *file, void *priv, - struct v4l2_buffer *b) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_querybuf(&dev->empress_tsq, b); -} - -static int empress_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_qbuf(&dev->empress_tsq, b); -} - -static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_dqbuf(&dev->empress_tsq, b, - file->f_flags & O_NONBLOCK); -} - -static int empress_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_streamon(&dev->empress_tsq); -} - -static int empress_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct saa7134_dev *dev = file->private_data; - - return videobuf_streamoff(&dev->empress_tsq); -} - -static int empress_s_ext_ctrls(struct file *file, void *priv, - struct v4l2_ext_controls *ctrls) -{ - struct saa7134_dev *dev = file->private_data; - int err; - - /* count == 0 is abused in saa6752hs.c, so that special - case is handled here explicitly. */ - if (ctrls->count == 0) - return 0; - - if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) - return -EINVAL; - - err = saa_call_empress(dev, core, s_ext_ctrls, ctrls); - ts_init_encoder(dev); - - return err; -} - -static int empress_g_ext_ctrls(struct file *file, void *priv, - struct v4l2_ext_controls *ctrls) -{ - struct saa7134_dev *dev = file->private_data; - - if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) - return -EINVAL; - return saa_call_empress(dev, core, g_ext_ctrls, ctrls); -} - -static int empress_g_ctrl(struct file *file, void *priv, - struct v4l2_control *c) -{ - struct saa7134_dev *dev = file->private_data; - - return saa7134_g_ctrl_internal(dev, NULL, c); -} - -static int empress_s_ctrl(struct file *file, void *priv, - struct v4l2_control *c) -{ - struct saa7134_dev *dev = file->private_data; - - return saa7134_s_ctrl_internal(dev, NULL, c); -} - -static int empress_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *c) -{ - /* Must be sorted from low to high control ID! */ - static const u32 user_ctrls[] = { - V4L2_CID_USER_CLASS, - V4L2_CID_BRIGHTNESS, - V4L2_CID_CONTRAST, - V4L2_CID_SATURATION, - V4L2_CID_HUE, - V4L2_CID_AUDIO_VOLUME, - V4L2_CID_AUDIO_MUTE, - V4L2_CID_HFLIP, - 0 - }; - - /* Must be sorted from low to high control ID! */ - static const u32 mpeg_ctrls[] = { - V4L2_CID_MPEG_CLASS, - V4L2_CID_MPEG_STREAM_TYPE, - V4L2_CID_MPEG_STREAM_PID_PMT, - V4L2_CID_MPEG_STREAM_PID_AUDIO, - V4L2_CID_MPEG_STREAM_PID_VIDEO, - V4L2_CID_MPEG_STREAM_PID_PCR, - V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, - V4L2_CID_MPEG_AUDIO_ENCODING, - V4L2_CID_MPEG_AUDIO_L2_BITRATE, - V4L2_CID_MPEG_VIDEO_ENCODING, - V4L2_CID_MPEG_VIDEO_ASPECT, - V4L2_CID_MPEG_VIDEO_BITRATE_MODE, - V4L2_CID_MPEG_VIDEO_BITRATE, - V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, - 0 - }; - static const u32 *ctrl_classes[] = { - user_ctrls, - mpeg_ctrls, - NULL - }; - struct saa7134_dev *dev = file->private_data; - - c->id = v4l2_ctrl_next(ctrl_classes, c->id); - if (c->id == 0) - return -EINVAL; - if (c->id == V4L2_CID_USER_CLASS || c->id == V4L2_CID_MPEG_CLASS) - return v4l2_ctrl_query_fill(c, 0, 0, 0, 0); - if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) - return saa7134_queryctrl(file, priv, c); - return saa_call_empress(dev, core, queryctrl, c); -} - -static int empress_querymenu(struct file *file, void *priv, - struct v4l2_querymenu *c) -{ - struct saa7134_dev *dev = file->private_data; - - if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) - return -EINVAL; - return saa_call_empress(dev, core, querymenu, c); -} - -static int empress_g_chip_ident(struct file *file, void *fh, - struct v4l2_dbg_chip_ident *chip) -{ - struct saa7134_dev *dev = file->private_data; - - chip->ident = V4L2_IDENT_NONE; - chip->revision = 0; - if (chip->match.type == V4L2_CHIP_MATCH_I2C_DRIVER && - !strcmp(chip->match.name, "saa6752hs")) - return saa_call_empress(dev, core, g_chip_ident, chip); - if (chip->match.type == V4L2_CHIP_MATCH_I2C_ADDR) - return saa_call_empress(dev, core, g_chip_ident, chip); - return -EINVAL; -} - -static int empress_s_std(struct file *file, void *priv, v4l2_std_id *id) -{ - struct saa7134_dev *dev = file->private_data; - - return saa7134_s_std_internal(dev, NULL, id); -} - -static int empress_g_std(struct file *file, void *priv, v4l2_std_id *id) -{ - struct saa7134_dev *dev = file->private_data; - - *id = dev->tvnorm->id; - return 0; -} - -static const struct v4l2_file_operations ts_fops = -{ - .owner = THIS_MODULE, - .open = ts_open, - .release = ts_release, - .read = ts_read, - .poll = ts_poll, - .mmap = ts_mmap, - .ioctl = video_ioctl2, -}; - -static const struct v4l2_ioctl_ops ts_ioctl_ops = { - .vidioc_querycap = empress_querycap, - .vidioc_enum_fmt_vid_cap = empress_enum_fmt_vid_cap, - .vidioc_try_fmt_vid_cap = empress_try_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = empress_s_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = empress_g_fmt_vid_cap, - .vidioc_reqbufs = empress_reqbufs, - .vidioc_querybuf = empress_querybuf, - .vidioc_qbuf = empress_qbuf, - .vidioc_dqbuf = empress_dqbuf, - .vidioc_streamon = empress_streamon, - .vidioc_streamoff = empress_streamoff, - .vidioc_s_ext_ctrls = empress_s_ext_ctrls, - .vidioc_g_ext_ctrls = empress_g_ext_ctrls, - .vidioc_enum_input = empress_enum_input, - .vidioc_g_input = empress_g_input, - .vidioc_s_input = empress_s_input, - .vidioc_queryctrl = empress_queryctrl, - .vidioc_querymenu = empress_querymenu, - .vidioc_g_ctrl = empress_g_ctrl, - .vidioc_s_ctrl = empress_s_ctrl, - .vidioc_g_chip_ident = empress_g_chip_ident, - .vidioc_s_std = empress_s_std, - .vidioc_g_std = empress_g_std, -}; - -/* ----------------------------------------------------------- */ - -static struct video_device saa7134_empress_template = { - .name = "saa7134-empress", - .fops = &ts_fops, - .ioctl_ops = &ts_ioctl_ops, - - .tvnorms = SAA7134_NORMS, - .current_norm = V4L2_STD_PAL, -}; - -static void empress_signal_update(struct work_struct *work) -{ - struct saa7134_dev* dev = - container_of(work, struct saa7134_dev, empress_workqueue); - - if (dev->nosignal) { - dprintk("no video signal\n"); - } else { - dprintk("video signal acquired\n"); - } -} - -static void empress_signal_change(struct saa7134_dev *dev) -{ - schedule_work(&dev->empress_workqueue); -} - - -static int empress_init(struct saa7134_dev *dev) -{ - int err; - - dprintk("%s: %s\n",dev->name,__func__); - dev->empress_dev = video_device_alloc(); - if (NULL == dev->empress_dev) - return -ENOMEM; - *(dev->empress_dev) = saa7134_empress_template; - dev->empress_dev->parent = &dev->pci->dev; - dev->empress_dev->release = video_device_release; - snprintf(dev->empress_dev->name, sizeof(dev->empress_dev->name), - "%s empress (%s)", dev->name, - saa7134_boards[dev->board].name); - - INIT_WORK(&dev->empress_workqueue, empress_signal_update); - - video_set_drvdata(dev->empress_dev, dev); - err = video_register_device(dev->empress_dev,VFL_TYPE_GRABBER, - empress_nr[dev->nr]); - if (err < 0) { - printk(KERN_INFO "%s: can't register video device\n", - dev->name); - video_device_release(dev->empress_dev); - dev->empress_dev = NULL; - return err; - } - printk(KERN_INFO "%s: registered device %s [mpeg]\n", - dev->name, video_device_node_name(dev->empress_dev)); - - videobuf_queue_sg_init(&dev->empress_tsq, &saa7134_ts_qops, - &dev->pci->dev, &dev->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_ALTERNATE, - sizeof(struct saa7134_buf), - dev, NULL); - - empress_signal_update(&dev->empress_workqueue); - return 0; -} - -static int empress_fini(struct saa7134_dev *dev) -{ - dprintk("%s: %s\n",dev->name,__func__); - - if (NULL == dev->empress_dev) - return 0; - flush_work_sync(&dev->empress_workqueue); - video_unregister_device(dev->empress_dev); - dev->empress_dev = NULL; - return 0; -} - -static struct saa7134_mpeg_ops empress_ops = { - .type = SAA7134_MPEG_EMPRESS, - .init = empress_init, - .fini = empress_fini, - .signal_change = empress_signal_change, -}; - -static int __init empress_register(void) -{ - return saa7134_ts_register(&empress_ops); -} - -static void __exit empress_unregister(void) -{ - saa7134_ts_unregister(&empress_ops); -} - -module_init(empress_register); -module_exit(empress_unregister); - -/* ----------------------------------------------------------- */ -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |