diff options
Diffstat (limited to 'drivers/media/video/bttv-driver.c')
-rw-r--r-- | drivers/media/video/bttv-driver.c | 153 |
1 files changed, 95 insertions, 58 deletions
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c index 0005741d5514..1ddf9ba613ef 100644 --- a/drivers/media/video/bttv-driver.c +++ b/drivers/media/video/bttv-driver.c @@ -727,71 +727,71 @@ void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits) static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout) { - unsigned char fl, fh, fi; + unsigned char fl, fh, fi; - /* prevent overflows */ - fin/=4; - fout/=4; + /* prevent overflows */ + fin/=4; + fout/=4; - fout*=12; - fi=fout/fin; + fout*=12; + fi=fout/fin; - fout=(fout%fin)*256; - fh=fout/fin; + fout=(fout%fin)*256; + fh=fout/fin; - fout=(fout%fin)*256; - fl=fout/fin; + fout=(fout%fin)*256; + fl=fout/fin; - btwrite(fl, BT848_PLL_F_LO); - btwrite(fh, BT848_PLL_F_HI); - btwrite(fi|BT848_PLL_X, BT848_PLL_XCI); + btwrite(fl, BT848_PLL_F_LO); + btwrite(fh, BT848_PLL_F_HI); + btwrite(fi|BT848_PLL_X, BT848_PLL_XCI); } static void set_pll(struct bttv *btv) { - int i; + int i; - if (!btv->pll.pll_crystal) - return; + if (!btv->pll.pll_crystal) + return; if (btv->pll.pll_ofreq == btv->pll.pll_current) { dprintk("bttv%d: PLL: no change required\n",btv->c.nr); - return; - } + return; + } - if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) { - /* no PLL needed */ - if (btv->pll.pll_current == 0) - return; + if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) { + /* no PLL needed */ + if (btv->pll.pll_current == 0) + return; bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n", - btv->c.nr,btv->pll.pll_ifreq); - btwrite(0x00,BT848_TGCTRL); - btwrite(0x00,BT848_PLL_XCI); - btv->pll.pll_current = 0; - return; - } + btv->c.nr,btv->pll.pll_ifreq); + btwrite(0x00,BT848_TGCTRL); + btwrite(0x00,BT848_PLL_XCI); + btv->pll.pll_current = 0; + return; + } bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr, - btv->pll.pll_ifreq, btv->pll.pll_ofreq); + btv->pll.pll_ifreq, btv->pll.pll_ofreq); set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq); - for (i=0; i<10; i++) { + for (i=0; i<10; i++) { /* Let other people run while the PLL stabilizes */ bttv_printk("."); msleep(10); - if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) { + if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) { btwrite(0,BT848_DSTATUS); - } else { - btwrite(0x08,BT848_TGCTRL); - btv->pll.pll_current = btv->pll.pll_ofreq; + } else { + btwrite(0x08,BT848_TGCTRL); + btv->pll.pll_current = btv->pll.pll_ofreq; bttv_printk(" ok\n"); - return; - } - } - btv->pll.pll_current = -1; + return; + } + } + btv->pll.pll_current = -1; bttv_printk("failed\n"); - return; + return; } /* used to switch between the bt848's analog/digital video capture modes */ @@ -1720,7 +1720,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg) memset(i,0,sizeof(*i)); i->index = n; i->type = V4L2_INPUT_TYPE_CAMERA; - i->audioset = 1; + i->audioset = 0; if (i->index == bttv_tvcards[btv->c.type].tuner) { sprintf(i->name, "Television"); i->type = V4L2_INPUT_TYPE_TUNER; @@ -1771,12 +1771,20 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg) memset(t,0,sizeof(*t)); strcpy(t->name, "Television"); t->type = V4L2_TUNER_ANALOG_TV; - t->rangehigh = 0xffffffffUL; t->capability = V4L2_TUNER_CAP_NORM; t->rxsubchans = V4L2_TUNER_SUB_MONO; if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) t->signal = 0xffff; { + struct video_tuner tuner; + + memset(&tuner, 0, sizeof (tuner)); + tuner.rangehigh = 0xffffffffUL; + bttv_call_i2c_clients(btv, VIDIOCGTUNER, &tuner); + t->rangelow = tuner.rangelow; + t->rangehigh = tuner.rangehigh; + } + { /* Hmmm ... */ struct video_audio va; memset(&va, 0, sizeof(struct video_audio)); @@ -1853,7 +1861,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg) } case VIDIOC_LOG_STATUS: { - bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, 0); + bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL); return 0; } @@ -1956,7 +1964,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv, } down(&fh->cap.lock); - kfree(fh->ov.clips); + kfree(fh->ov.clips); fh->ov.clips = clips; fh->ov.nclips = n; @@ -2029,19 +2037,33 @@ static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type) return 0; } +static void +pix_format_set_size (struct v4l2_pix_format * f, + const struct bttv_format * fmt, + unsigned int width, + unsigned int height) +{ + f->width = width; + f->height = height; + + if (fmt->flags & FORMAT_FLAGS_PLANAR) { + f->bytesperline = width; /* Y plane */ + f->sizeimage = (width * height * fmt->depth) >> 3; + } else { + f->bytesperline = (width * fmt->depth) >> 3; + f->sizeimage = height * f->bytesperline; + } +} + static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f) { switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format)); - f->fmt.pix.width = fh->width; - f->fmt.pix.height = fh->height; + pix_format_set_size (&f->fmt.pix, fh->fmt, + fh->width, fh->height); f->fmt.pix.field = fh->cap.field; f->fmt.pix.pixelformat = fh->fmt->fourcc; - f->fmt.pix.bytesperline = - (f->fmt.pix.width * fh->fmt->depth) >> 3; - f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; return 0; case V4L2_BUF_TYPE_VIDEO_OVERLAY: memset(&f->fmt.win,0,sizeof(struct v4l2_window)); @@ -2106,11 +2128,9 @@ static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv, f->fmt.pix.width = maxw; if (f->fmt.pix.height > maxh) f->fmt.pix.height = maxh; - f->fmt.pix.width &= ~0x03; - f->fmt.pix.bytesperline = - (f->fmt.pix.width * fmt->depth) >> 3; - f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; + pix_format_set_size (&f->fmt.pix, fmt, + f->fmt.pix.width & ~3, + f->fmt.pix.height); return 0; } @@ -2278,6 +2298,15 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file, retval = -EINVAL; goto fh_unlock_and_return; } + if (fmt->flags & FORMAT_FLAGS_RAW) { + /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL * + RAW_LINES * 2. F1 is stored at offset 0, F2 + at buffer size / 2. */ + fh->width = RAW_BPL; + fh->height = gbufsize / RAW_BPL; + btv->init.width = RAW_BPL; + btv->init.height = gbufsize / RAW_BPL; + } fh->ovfmt = fmt; fh->fmt = fmt; btv->init.ovfmt = fmt; @@ -2589,9 +2618,11 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file, if (0 == v4l2) return -EINVAL; - strcpy(cap->driver,"bttv"); - strlcpy(cap->card,btv->video_dev->name,sizeof(cap->card)); - sprintf(cap->bus_info,"PCI:%s",pci_name(btv->c.pci)); + memset(cap, 0, sizeof (*cap)); + strlcpy(cap->driver, "bttv", sizeof (cap->driver)); + strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card)); + snprintf(cap->bus_info, sizeof (cap->bus_info), + "PCI:%s", pci_name(btv->c.pci)); cap->version = BTTV_VERSION_CODE; cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | @@ -2727,7 +2758,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file, fh->ov.w.height = fb->fmt.height; btv->init.ov.w.width = fb->fmt.width; btv->init.ov.w.height = fb->fmt.height; - kfree(fh->ov.clips); + kfree(fh->ov.clips); fh->ov.clips = NULL; fh->ov.nclips = 0; @@ -2952,6 +2983,8 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; field = videobuf_next_field(&fh->cap); if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { + kfree (fh->cap.read_buf); + fh->cap.read_buf = NULL; up(&fh->cap.lock); return POLLERR; } @@ -3667,6 +3700,10 @@ static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs) int handled = 0; btv=(struct bttv *)dev_id; + + if (btv->any_irq) + handled = bttv_any_irq(&btv->c); + count=0; while (1) { /* get/clear interrupt status bits */ |