diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-video.c')
-rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 239 |
1 files changed, 156 insertions, 83 deletions
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 48e1a01718ec..02bb6747a39c 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -628,6 +628,9 @@ void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) if (card_in(dev, dev->ctl_input).tv) saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id); + /* Set the correct norm for the saa6752hs. This function + does nothing if there is no saa6752hs. */ + saa7134_i2c_call_saa6752(dev, VIDIOC_S_STD, &dev->tvnorm->id); } static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) @@ -1112,10 +1115,8 @@ static struct videobuf_queue_ops video_qops = { /* ------------------------------------------------------------------ */ -int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c) +int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; const struct v4l2_queryctrl* ctrl; ctrl = ctrl_by_id(c->id); @@ -1160,20 +1161,31 @@ int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c) } return 0; } -EXPORT_SYMBOL_GPL(saa7134_g_ctrl); +EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal); + +static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c) +{ + struct saa7134_fh *fh = priv; + + return saa7134_g_ctrl_internal(fh->dev, fh, c); +} -int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c) +int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c) { const struct v4l2_queryctrl* ctrl; - struct saa7134_fh *fh = f; - struct saa7134_dev *dev = fh->dev; unsigned long flags; int restart_overlay = 0; - int err = -EINVAL; + int err; - err = v4l2_prio_check(&dev->prio, &fh->prio); - if (0 != err) - return err; + /* When called from the empress code fh == NULL. + That needs to be fixed somehow, but for now this is + good enough. */ + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } + err = -EINVAL; mutex_lock(&dev->lock); @@ -1274,7 +1286,14 @@ error: mutex_unlock(&dev->lock); return err; } -EXPORT_SYMBOL_GPL(saa7134_s_ctrl); +EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal); + +static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c) +{ + struct saa7134_fh *fh = f; + + return saa7134_s_ctrl_internal(fh->dev, fh, c); +} /* ------------------------------------------------------------------ */ @@ -1314,6 +1333,8 @@ static int video_open(struct inode *inode, struct file *file) struct saa7134_fh *fh; enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; int radio = 0; + + lock_kernel(); list_for_each_entry(dev, &saa7134_devlist, devlist) { if (dev->video_dev && (dev->video_dev->minor == minor)) goto found; @@ -1326,6 +1347,7 @@ static int video_open(struct inode *inode, struct file *file) goto found; } } + unlock_kernel(); return -ENODEV; found: @@ -1334,8 +1356,10 @@ static int video_open(struct inode *inode, struct file *file) /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -1368,6 +1392,7 @@ static int video_open(struct inode *inode, struct file *file) /* switch to video/vbi mode */ video_mux(dev,dev->ctl_input); } + unlock_kernel(); return 0; } @@ -1496,7 +1521,7 @@ static int video_mmap(struct file *file, struct vm_area_struct * vma) /* ------------------------------------------------------------------ */ -static int saa7134_try_get_set_fmt_vbi(struct file *file, void *priv, +static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_fh *fh = priv; @@ -1516,7 +1541,7 @@ static int saa7134_try_get_set_fmt_vbi(struct file *file, void *priv, return 0; } -static int saa7134_g_fmt_cap(struct file *file, void *priv, +static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_fh *fh = priv; @@ -1532,7 +1557,7 @@ static int saa7134_g_fmt_cap(struct file *file, void *priv, return 0; } -static int saa7134_g_fmt_overlay(struct file *file, void *priv, +static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_fh *fh = priv; @@ -1546,7 +1571,7 @@ static int saa7134_g_fmt_overlay(struct file *file, void *priv, return 0; } -static int saa7134_try_fmt_cap(struct file *file, void *priv, +static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_fh *fh = priv; @@ -1597,7 +1622,7 @@ static int saa7134_try_fmt_cap(struct file *file, void *priv, return 0; } -static int saa7134_try_fmt_overlay(struct file *file, void *priv, +static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_fh *fh = priv; @@ -1611,13 +1636,13 @@ static int saa7134_try_fmt_overlay(struct file *file, void *priv, return verify_preview(dev, &f->fmt.win); } -static int saa7134_s_fmt_cap(struct file *file, void *priv, +static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_fh *fh = priv; int err; - err = saa7134_try_fmt_cap(file, priv, f); + err = saa7134_try_fmt_vid_cap(file, priv, f); if (0 != err) return err; @@ -1628,7 +1653,7 @@ static int saa7134_s_fmt_cap(struct file *file, void *priv, return 0; } -static int saa7134_s_fmt_overlay(struct file *file, void *priv, +static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_fh *fh = priv; @@ -1774,18 +1799,25 @@ static int saa7134_querycap(struct file *file, void *priv, return 0; } -static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) +int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; unsigned long flags; unsigned int i; v4l2_std_id fixup; int err; - err = v4l2_prio_check(&dev->prio, &fh->prio); - if (0 != err) - return err; + /* When called from the empress code fh == NULL. + That needs to be fixed somehow, but for now this is + good enough. */ + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } else if (res_locked(dev, RESOURCE_OVERLAY)) { + /* Don't change the std from the mpeg device + if overlay is active. */ + return -EBUSY; + } for (i = 0; i < TVNORMS; i++) if (*id == tvnorms[i].id) @@ -1818,7 +1850,7 @@ static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) *id = tvnorms[i].id; mutex_lock(&dev->lock); - if (res_check(fh, RESOURCE_OVERLAY)) { + if (fh && res_check(fh, RESOURCE_OVERLAY)) { spin_lock_irqsave(&dev->slock, flags); stop_preview(dev, fh); spin_unlock_irqrestore(&dev->slock, flags); @@ -1835,6 +1867,23 @@ static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) mutex_unlock(&dev->lock); return 0; } +EXPORT_SYMBOL_GPL(saa7134_s_std_internal); + +static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_fh *fh = priv; + + return saa7134_s_std_internal(fh->dev, fh, id); +} + +static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + *id = dev->tvnorm->id; + return 0; +} static int saa7134_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap) @@ -2028,7 +2077,7 @@ static int saa7134_s_priority(struct file *file, void *f, return v4l2_prio_change(&dev->prio, &fh->prio, prio); } -static int saa7134_enum_fmt_cap(struct file *file, void *priv, +static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { if (f->index >= FORMATS) @@ -2042,7 +2091,7 @@ static int saa7134_enum_fmt_cap(struct file *file, void *priv, return 0; } -static int saa7134_enum_fmt_overlay(struct file *file, void *priv, +static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_fmtdesc *f) { if (saa7134_no_overlay > 0) { @@ -2061,18 +2110,6 @@ static int saa7134_enum_fmt_overlay(struct file *file, void *priv, return 0; } -static int saa7134_enum_fmt_vbi(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (0 != f->index) - return -EINVAL; - - f->pixelformat = V4L2_PIX_FMT_GREY; - strcpy(f->description, "vbi data"); - - return 0; -} - static int saa7134_g_fbuf(struct file *file, void *f, struct v4l2_framebuffer *fb) { @@ -2208,6 +2245,32 @@ static int saa7134_g_parm(struct file *file, void *fh, return 0; } +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_register (struct file *file, void *priv, + struct v4l2_register *reg) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return -EINVAL; + reg->val = saa_readb(reg->reg); + return 0; +} + +static int vidioc_s_register (struct file *file, void *priv, + struct v4l2_register *reg) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return -EINVAL; + saa_writeb(reg->reg&0xffffff, reg->val); + return 0; +} +#endif + static int radio_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { @@ -2327,39 +2390,19 @@ static const struct file_operations video_fops = .llseek = no_llseek, }; -static const struct file_operations radio_fops = -{ - .owner = THIS_MODULE, - .open = video_open, - .release = video_release, - .ioctl = video_ioctl2, - .compat_ioctl = v4l_compat_ioctl32, - .llseek = no_llseek, -}; - -/* ----------------------------------------------------------- */ -/* exported stuff */ - -struct video_device saa7134_video_template = -{ - .name = "saa7134-video", - .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER | - VID_TYPE_CLIPPING|VID_TYPE_SCALES, - .fops = &video_fops, - .minor = -1, +static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_querycap = saa7134_querycap, - .vidioc_enum_fmt_cap = saa7134_enum_fmt_cap, - .vidioc_g_fmt_cap = saa7134_g_fmt_cap, - .vidioc_try_fmt_cap = saa7134_try_fmt_cap, - .vidioc_s_fmt_cap = saa7134_s_fmt_cap, - .vidioc_enum_fmt_overlay = saa7134_enum_fmt_overlay, - .vidioc_g_fmt_overlay = saa7134_g_fmt_overlay, - .vidioc_try_fmt_overlay = saa7134_try_fmt_overlay, - .vidioc_s_fmt_overlay = saa7134_s_fmt_overlay, - .vidioc_enum_fmt_vbi = saa7134_enum_fmt_vbi, - .vidioc_g_fmt_vbi = saa7134_try_get_set_fmt_vbi, - .vidioc_try_fmt_vbi = saa7134_try_get_set_fmt_vbi, - .vidioc_s_fmt_vbi = saa7134_try_get_set_fmt_vbi, + .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap, + .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay, + .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, + .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, + .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, + .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, + .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, .vidioc_g_audio = saa7134_g_audio, .vidioc_s_audio = saa7134_s_audio, .vidioc_cropcap = saa7134_cropcap, @@ -2368,6 +2411,7 @@ struct video_device saa7134_video_template = .vidioc_qbuf = saa7134_qbuf, .vidioc_dqbuf = saa7134_dqbuf, .vidioc_s_std = saa7134_s_std, + .vidioc_g_std = saa7134_g_std, .vidioc_enum_input = saa7134_enum_input, .vidioc_g_input = saa7134_g_input, .vidioc_s_input = saa7134_s_input, @@ -2391,16 +2435,22 @@ struct video_device saa7134_video_template = .vidioc_g_parm = saa7134_g_parm, .vidioc_g_frequency = saa7134_g_frequency, .vidioc_s_frequency = saa7134_s_frequency, - .tvnorms = SAA7134_NORMS, - .current_norm = V4L2_STD_PAL, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif }; -struct video_device saa7134_radio_template = -{ - .name = "saa7134-radio", - .type = VID_TYPE_TUNER, - .fops = &radio_fops, - .minor = -1, +static const struct file_operations radio_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .ioctl = video_ioctl2, + .compat_ioctl = v4l_compat_ioctl32, + .llseek = no_llseek, +}; + +static const struct v4l2_ioctl_ops radio_ioctl_ops = { .vidioc_querycap = radio_querycap, .vidioc_g_tuner = radio_g_tuner, .vidioc_enum_input = radio_enum_input, @@ -2417,6 +2467,25 @@ struct video_device saa7134_radio_template = .vidioc_s_frequency = saa7134_s_frequency, }; +/* ----------------------------------------------------------- */ +/* exported stuff */ + +struct video_device saa7134_video_template = { + .name = "saa7134-video", + .fops = &video_fops, + .ioctl_ops = &video_ioctl_ops, + .minor = -1, + .tvnorms = SAA7134_NORMS, + .current_norm = V4L2_STD_PAL, +}; + +struct video_device saa7134_radio_template = { + .name = "saa7134-radio", + .fops = &radio_fops, + .ioctl_ops = &radio_ioctl_ops, + .minor = -1, +}; + int saa7134_video_init1(struct saa7134_dev *dev) { /* sanitycheck insmod options */ @@ -2458,13 +2527,14 @@ int saa7134_videoport_init(struct saa7134_dev *dev) int vo = saa7134_boards[dev->board].video_out; int video_reg; unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; + + /* Configure videoport */ saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); video_reg = video_out[vo][1]; if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) video_reg &= ~VP_T_CODE_P_INVERTED; saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); - saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); video_reg = video_out[vo][5]; if (vid_port_opts & SET_CLOCK_NOT_DELAYED) @@ -2481,6 +2551,9 @@ int saa7134_videoport_init(struct saa7134_dev *dev) saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); + /* Start videoport */ + saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); + return 0; } |