diff options
Diffstat (limited to 'drivers/media/usb/hdpvr/hdpvr-video.c')
| -rw-r--r-- | drivers/media/usb/hdpvr/hdpvr-video.c | 945 |
1 files changed, 452 insertions, 493 deletions
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c index da6b77912222..774ba0e820be 100644 --- a/drivers/media/usb/hdpvr/hdpvr-video.c +++ b/drivers/media/usb/hdpvr/hdpvr-video.c @@ -10,6 +10,7 @@ */ #include <linux/kernel.h> +#include <linux/kconfig.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/slab.h> @@ -20,9 +21,11 @@ #include <linux/workqueue.h> #include <linux/videodev2.h> +#include <linux/v4l2-dv-timings.h> #include <media/v4l2-dev.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-event.h> #include "hdpvr.h" #define BULK_URB_TIMEOUT 90 /* 0.09 seconds */ @@ -34,8 +37,23 @@ list_size(&dev->free_buff_list), \ list_size(&dev->rec_buff_list)); } +static const struct v4l2_dv_timings hdpvr_dv_timings[] = { + V4L2_DV_BT_CEA_720X480I59_94, + V4L2_DV_BT_CEA_720X576I50, + V4L2_DV_BT_CEA_720X480P59_94, + V4L2_DV_BT_CEA_720X576P50, + V4L2_DV_BT_CEA_1280X720P50, + V4L2_DV_BT_CEA_1280X720P60, + V4L2_DV_BT_CEA_1920X1080I50, + V4L2_DV_BT_CEA_1920X1080I60, +}; + +/* Use 480i59 as the default timings */ +#define HDPVR_DEF_DV_TIMINGS_IDX (0) + struct hdpvr_fh { - struct hdpvr_device *dev; + struct v4l2_fh fh; + bool legacy_mode; }; static uint list_size(struct list_head *list) @@ -359,53 +377,29 @@ static int hdpvr_stop_streaming(struct hdpvr_device *dev) static int hdpvr_open(struct file *file) { - struct hdpvr_device *dev; - struct hdpvr_fh *fh; - int retval = -ENOMEM; - - dev = (struct hdpvr_device *)video_get_drvdata(video_devdata(file)); - if (!dev) { - pr_err("open failing with with ENODEV\n"); - retval = -ENODEV; - goto err; - } - - fh = kzalloc(sizeof(struct hdpvr_fh), GFP_KERNEL); - if (!fh) { - v4l2_err(&dev->v4l2_dev, "Out of memory\n"); - goto err; - } - /* lock the device to allow correctly handling errors - * in resumption */ - mutex_lock(&dev->io_mutex); - dev->open_count++; - mutex_unlock(&dev->io_mutex); + struct hdpvr_fh *fh = kzalloc(sizeof(*fh), GFP_KERNEL); - fh->dev = dev; - - /* save our object in the file's private structure */ + if (fh == NULL) + return -ENOMEM; + fh->legacy_mode = true; + v4l2_fh_init(&fh->fh, video_devdata(file)); + v4l2_fh_add(&fh->fh); file->private_data = fh; - - retval = 0; -err: - return retval; + return 0; } static int hdpvr_release(struct file *file) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; - - if (!dev) - return -ENODEV; + struct hdpvr_device *dev = video_drvdata(file); mutex_lock(&dev->io_mutex); - if (!(--dev->open_count) && dev->status == STATUS_STREAMING) + if (file->private_data == dev->owner) { hdpvr_stop_streaming(dev); - + dev->owner = NULL; + } mutex_unlock(&dev->io_mutex); - return 0; + return v4l2_fh_release(file); } /* @@ -415,8 +409,7 @@ static int hdpvr_release(struct file *file) static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, loff_t *pos) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; + struct hdpvr_device *dev = video_drvdata(file); struct hdpvr_buffer *buf = NULL; struct urb *urb; unsigned int ret = 0; @@ -425,9 +418,6 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, if (*pos) return -ESPIPE; - if (!dev) - return -ENODEV; - mutex_lock(&dev->io_mutex); if (dev->status == STATUS_IDLE) { if (hdpvr_start_streaming(dev)) { @@ -439,6 +429,7 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, mutex_unlock(&dev->io_mutex); goto err; } + dev->owner = file->private_data; print_buffer_status(); } mutex_unlock(&dev->io_mutex); @@ -516,23 +507,23 @@ err: static unsigned int hdpvr_poll(struct file *filp, poll_table *wait) { + unsigned long req_events = poll_requested_events(wait); struct hdpvr_buffer *buf = NULL; - struct hdpvr_fh *fh = filp->private_data; - struct hdpvr_device *dev = fh->dev; - unsigned int mask = 0; + struct hdpvr_device *dev = video_drvdata(filp); + unsigned int mask = v4l2_ctrl_poll(filp, wait); - mutex_lock(&dev->io_mutex); + if (!(req_events & (POLLIN | POLLRDNORM))) + return mask; - if (!video_is_registered(dev->video_dev)) { - mutex_unlock(&dev->io_mutex); - return -EIO; - } + mutex_lock(&dev->io_mutex); if (dev->status == STATUS_IDLE) { if (hdpvr_start_streaming(dev)) { v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, "start_streaming failed\n"); dev->status = STATUS_IDLE; + } else { + dev->owner = filp->private_data; } print_buffer_status(); @@ -574,36 +565,188 @@ static int vidioc_querycap(struct file *file, void *priv, strcpy(cap->driver, "hdpvr"); strcpy(cap->card, "Hauppauge HD PVR"); usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_AUDIO | - V4L2_CAP_READWRITE; + cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | + V4L2_CAP_READWRITE; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; return 0; } -static int vidioc_s_std(struct file *file, void *private_data, - v4l2_std_id *std) +static int vidioc_s_std(struct file *file, void *_fh, + v4l2_std_id std) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; u8 std_type = 1; - if (*std & (V4L2_STD_NTSC | V4L2_STD_PAL_60)) + if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) + return -ENODATA; + if (dev->status != STATUS_IDLE) + return -EBUSY; + if (std & V4L2_STD_525_60) std_type = 0; + dev->cur_std = std; + dev->width = 720; + dev->height = std_type ? 576 : 480; return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type); } +static int vidioc_g_std(struct file *file, void *_fh, + v4l2_std_id *std) +{ + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; + + if (!fh->legacy_mode && dev->options.video_input == HDPVR_COMPONENT) + return -ENODATA; + *std = dev->cur_std; + return 0; +} + +static int vidioc_querystd(struct file *file, void *_fh, v4l2_std_id *a) +{ + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_video_info *vid_info; + struct hdpvr_fh *fh = _fh; + + *a = V4L2_STD_ALL; + if (dev->options.video_input == HDPVR_COMPONENT) + return fh->legacy_mode ? 0 : -ENODATA; + vid_info = get_video_info(dev); + if (vid_info == NULL) + return 0; + if (vid_info->width == 720 && + (vid_info->height == 480 || vid_info->height == 576)) { + *a = (vid_info->height == 480) ? + V4L2_STD_525_60 : V4L2_STD_625_50; + } + kfree(vid_info); + return 0; +} + +static int vidioc_s_dv_timings(struct file *file, void *_fh, + struct v4l2_dv_timings *timings) +{ + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; + int i; + + fh->legacy_mode = false; + if (dev->options.video_input) + return -ENODATA; + if (dev->status != STATUS_IDLE) + return -EBUSY; + for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) + if (v4l_match_dv_timings(timings, hdpvr_dv_timings + i, 0)) + break; + if (i == ARRAY_SIZE(hdpvr_dv_timings)) + return -EINVAL; + dev->cur_dv_timings = hdpvr_dv_timings[i]; + dev->width = hdpvr_dv_timings[i].bt.width; + dev->height = hdpvr_dv_timings[i].bt.height; + return 0; +} + +static int vidioc_g_dv_timings(struct file *file, void *_fh, + struct v4l2_dv_timings *timings) +{ + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; + + fh->legacy_mode = false; + if (dev->options.video_input) + return -ENODATA; + *timings = dev->cur_dv_timings; + return 0; +} + +static int vidioc_query_dv_timings(struct file *file, void *_fh, + struct v4l2_dv_timings *timings) +{ + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; + struct hdpvr_video_info *vid_info; + bool interlaced; + int ret = 0; + int i; + + fh->legacy_mode = false; + if (dev->options.video_input) + return -ENODATA; + vid_info = get_video_info(dev); + if (vid_info == NULL) + return -ENOLCK; + interlaced = vid_info->fps <= 30; + for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) { + const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt; + unsigned hsize; + unsigned vsize; + unsigned fps; + + hsize = bt->hfrontporch + bt->hsync + bt->hbackporch + bt->width; + vsize = bt->vfrontporch + bt->vsync + bt->vbackporch + + bt->il_vfrontporch + bt->il_vsync + bt->il_vbackporch + + bt->height; + fps = (unsigned)bt->pixelclock / (hsize * vsize); + if (bt->width != vid_info->width || + bt->height != vid_info->height || + bt->interlaced != interlaced || + (fps != vid_info->fps && fps + 1 != vid_info->fps)) + continue; + *timings = hdpvr_dv_timings[i]; + break; + } + if (i == ARRAY_SIZE(hdpvr_dv_timings)) + ret = -ERANGE; + kfree(vid_info); + return ret; +} + +static int vidioc_enum_dv_timings(struct file *file, void *_fh, + struct v4l2_enum_dv_timings *timings) +{ + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; + + fh->legacy_mode = false; + memset(timings->reserved, 0, sizeof(timings->reserved)); + if (dev->options.video_input) + return -ENODATA; + if (timings->index >= ARRAY_SIZE(hdpvr_dv_timings)) + return -EINVAL; + timings->timings = hdpvr_dv_timings[timings->index]; + return 0; +} + +static int vidioc_dv_timings_cap(struct file *file, void *_fh, + struct v4l2_dv_timings_cap *cap) +{ + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; + + fh->legacy_mode = false; + if (dev->options.video_input) + return -ENODATA; + cap->type = V4L2_DV_BT_656_1120; + cap->bt.min_width = 720; + cap->bt.max_width = 1920; + cap->bt.min_height = 480; + cap->bt.max_height = 1080; + cap->bt.min_pixelclock = 27000000; + cap->bt.max_pixelclock = 74250000; + cap->bt.standards = V4L2_DV_BT_STD_CEA861; + cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | V4L2_DV_BT_CAP_PROGRESSIVE; + return 0; +} + static const char *iname[] = { [HDPVR_COMPONENT] = "Component", [HDPVR_SVIDEO] = "S-Video", [HDPVR_COMPOSITE] = "Composite", }; -static int vidioc_enum_input(struct file *file, void *priv, - struct v4l2_input *i) +static int vidioc_enum_input(struct file *file, void *_fh, struct v4l2_input *i) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; unsigned int n; n = i->index; @@ -617,27 +760,42 @@ static int vidioc_enum_input(struct file *file, void *priv, i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; - i->std = dev->video_dev->tvnorms; + i->capabilities = n ? V4L2_IN_CAP_STD : V4L2_IN_CAP_DV_TIMINGS; + i->std = n ? V4L2_STD_ALL : 0; return 0; } -static int vidioc_s_input(struct file *file, void *private_data, +static int vidioc_s_input(struct file *file, void *_fh, unsigned int index) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; + struct hdpvr_device *dev = video_drvdata(file); int retval; if (index >= HDPVR_VIDEO_INPUTS) return -EINVAL; if (dev->status != STATUS_IDLE) - return -EAGAIN; + return -EBUSY; retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1); - if (!retval) + if (!retval) { dev->options.video_input = index; + /* + * Unfortunately gstreamer calls ENUMSTD and bails out if it + * won't find any formats, even though component input is + * selected. This means that we have to leave tvnorms at + * V4L2_STD_ALL. We cannot use the 'legacy' trick since + * tvnorms is set at the device node level and not at the + * filehandle level. + * + * Comment this out for now, but if the legacy mode can be + * removed in the future, then this code should be enabled + * again. + dev->video_dev->tvnorms = + (index != HDPVR_COMPONENT) ? V4L2_STD_ALL : 0; + */ + } return retval; } @@ -645,8 +803,7 @@ static int vidioc_s_input(struct file *file, void *private_data, static int vidioc_g_input(struct file *file, void *private_data, unsigned int *index) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; + struct hdpvr_device *dev = video_drvdata(file); *index = dev->options.video_input; return 0; @@ -679,15 +836,14 @@ static int vidioc_enumaudio(struct file *file, void *priv, static int vidioc_s_audio(struct file *file, void *private_data, const struct v4l2_audio *audio) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; + struct hdpvr_device *dev = video_drvdata(file); int retval; if (audio->index >= HDPVR_AUDIO_INPUTS) return -EINVAL; if (dev->status != STATUS_IDLE) - return -EAGAIN; + return -EBUSY; retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec); if (!retval) @@ -699,8 +855,7 @@ static int vidioc_s_audio(struct file *file, void *private_data, static int vidioc_g_audio(struct file *file, void *private_data, struct v4l2_audio *audio) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; + struct hdpvr_device *dev = video_drvdata(file); audio->index = dev->options.audio_input; audio->capability = V4L2_AUDCAP_STEREO; @@ -709,335 +864,69 @@ static int vidioc_g_audio(struct file *file, void *private_data, return 0; } -static const s32 supported_v4l2_ctrls[] = { - V4L2_CID_BRIGHTNESS, - V4L2_CID_CONTRAST, - V4L2_CID_SATURATION, - V4L2_CID_HUE, - V4L2_CID_SHARPNESS, - V4L2_CID_MPEG_AUDIO_ENCODING, - V4L2_CID_MPEG_VIDEO_ENCODING, - V4L2_CID_MPEG_VIDEO_BITRATE_MODE, - V4L2_CID_MPEG_VIDEO_BITRATE, - V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, -}; - -static int fill_queryctrl(struct hdpvr_options *opt, struct v4l2_queryctrl *qc, - int ac3, int fw_ver) -{ - int err; - - if (fw_ver > 0x15) { - switch (qc->id) { - case V4L2_CID_BRIGHTNESS: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); - case V4L2_CID_CONTRAST: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40); - case V4L2_CID_SATURATION: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40); - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill(qc, 0x0, 0x1e, 1, 0xf); - case V4L2_CID_SHARPNESS: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); - } - } else { - switch (qc->id) { - case V4L2_CID_BRIGHTNESS: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86); - case V4L2_CID_CONTRAST: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); - case V4L2_CID_SATURATION: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); - case V4L2_CID_SHARPNESS: - return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); - } - } - - switch (qc->id) { - case V4L2_CID_MPEG_AUDIO_ENCODING: - return v4l2_ctrl_query_fill( - qc, V4L2_MPEG_AUDIO_ENCODING_AAC, - ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 - : V4L2_MPEG_AUDIO_ENCODING_AAC, - 1, V4L2_MPEG_AUDIO_ENCODING_AAC); - case V4L2_CID_MPEG_VIDEO_ENCODING: - return v4l2_ctrl_query_fill( - qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, - V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); - -/* case V4L2_CID_MPEG_VIDEO_? maybe keyframe interval: */ -/* return v4l2_ctrl_query_fill(qc, 0, 128, 128, 0); */ - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - return v4l2_ctrl_query_fill( - qc, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, - V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1, - V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); - - case V4L2_CID_MPEG_VIDEO_BITRATE: - return v4l2_ctrl_query_fill(qc, 1000000, 13500000, 100000, - 6500000); - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: - err = v4l2_ctrl_query_fill(qc, 1100000, 20200000, 100000, - 9000000); - if (!err && opt->bitrate_mode == HDPVR_CONSTANT) - qc->flags |= V4L2_CTRL_FLAG_INACTIVE; - return err; - default: - return -EINVAL; - } -} - -static int vidioc_queryctrl(struct file *file, void *private_data, - struct v4l2_queryctrl *qc) -{ - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; - int i, next; - u32 id = qc->id; - - memset(qc, 0, sizeof(*qc)); - - next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL); - qc->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL; - - for (i = 0; i < ARRAY_SIZE(supported_v4l2_ctrls); i++) { - if (next) { - if (qc->id < supported_v4l2_ctrls[i]) - qc->id = supported_v4l2_ctrls[i]; - else - continue; - } - - if (qc->id == supported_v4l2_ctrls[i]) - return fill_queryctrl(&dev->options, qc, - dev->flags & HDPVR_FLAG_AC3_CAP, - dev->fw_ver); - - if (qc->id < supported_v4l2_ctrls[i]) - break; - } - - return -EINVAL; -} - -static int vidioc_g_ctrl(struct file *file, void *private_data, - struct v4l2_control *ctrl) +static int hdpvr_try_ctrl(struct v4l2_ctrl *ctrl) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; + struct hdpvr_device *dev = + container_of(ctrl->handler, struct hdpvr_device, hdl); switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - ctrl->value = dev->options.brightness; - break; - case V4L2_CID_CONTRAST: - ctrl->value = dev->options.contrast; - break; - case V4L2_CID_SATURATION: - ctrl->value = dev->options.saturation; - break; - case V4L2_CID_HUE: - ctrl->value = dev->options.hue; - break; - case V4L2_CID_SHARPNESS: - ctrl->value = dev->options.sharpness; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && + dev->video_bitrate->val >= dev->video_bitrate_peak->val) + dev->video_bitrate_peak->val = + dev->video_bitrate->val + 100000; break; - default: - return -EINVAL; } return 0; } -static int vidioc_s_ctrl(struct file *file, void *private_data, - struct v4l2_control *ctrl) +static int hdpvr_s_ctrl(struct v4l2_ctrl *ctrl) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; - int retval; + struct hdpvr_device *dev = + container_of(ctrl->handler, struct hdpvr_device, hdl); + struct hdpvr_options *opt = &dev->options; + int ret = -EINVAL; switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: - retval = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->value); - if (!retval) - dev->options.brightness = ctrl->value; - break; + ret = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->val); + if (ret) + break; + dev->options.brightness = ctrl->val; + return 0; case V4L2_CID_CONTRAST: - retval = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->value); - if (!retval) - dev->options.contrast = ctrl->value; - break; + ret = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->val); + if (ret) + break; + dev->options.contrast = ctrl->val; + return 0; case V4L2_CID_SATURATION: - retval = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->value); - if (!retval) - dev->options.saturation = ctrl->value; - break; + ret = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->val); + if (ret) + break; + dev->options.saturation = ctrl->val; + return 0; case V4L2_CID_HUE: - retval = hdpvr_config_call(dev, CTRL_HUE, ctrl->value); - if (!retval) - dev->options.hue = ctrl->value; - break; + ret = hdpvr_config_call(dev, CTRL_HUE, ctrl->val); + if (ret) + break; + dev->options.hue = ctrl->val; + return 0; case V4L2_CID_SHARPNESS: - retval = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->value); - if (!retval) - dev->options.sharpness = ctrl->value; - break; - default: - return -EINVAL; - } - - return retval; -} - - -static int hdpvr_get_ctrl(struct hdpvr_options *opt, - struct v4l2_ext_control *ctrl) -{ - switch (ctrl->id) { - case V4L2_CID_MPEG_AUDIO_ENCODING: - ctrl->value = opt->audio_codec; - break; - case V4L2_CID_MPEG_VIDEO_ENCODING: - ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC; - break; -/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ -/* ctrl->value = (opt->gop_mode & 0x2) ? 0 : 128; */ -/* break; */ - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - ctrl->value = opt->bitrate_mode == HDPVR_CONSTANT - ? V4L2_MPEG_VIDEO_BITRATE_MODE_CBR - : V4L2_MPEG_VIDEO_BITRATE_MODE_VBR; - break; - case V4L2_CID_MPEG_VIDEO_BITRATE: - ctrl->value = opt->bitrate * 100000; - break; - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: - ctrl->value = opt->peak_bitrate * 100000; - break; - case V4L2_CID_MPEG_STREAM_TYPE: - ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS; - break; - default: - return -EINVAL; - } - return 0; -} - -static int vidioc_g_ext_ctrls(struct file *file, void *priv, - struct v4l2_ext_controls *ctrls) -{ - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; - int i, err = 0; - - if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { - for (i = 0; i < ctrls->count; i++) { - struct v4l2_ext_control *ctrl = ctrls->controls + i; - - err = hdpvr_get_ctrl(&dev->options, ctrl); - if (err) { - ctrls->error_idx = i; - break; - } - } - return err; - - } - - return -EINVAL; -} - - -static int hdpvr_try_ctrl(struct v4l2_ext_control *ctrl, int ac3) -{ - int ret = -EINVAL; - - switch (ctrl->id) { - case V4L2_CID_MPEG_AUDIO_ENCODING: - if (ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AAC || - (ac3 && ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AC3)) - ret = 0; - break; - case V4L2_CID_MPEG_VIDEO_ENCODING: - if (ctrl->value == V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC) - ret = 0; - break; -/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ -/* if (ctrl->value == 0 || ctrl->value == 128) */ -/* ret = 0; */ -/* break; */ - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR || - ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) - ret = 0; - break; - case V4L2_CID_MPEG_VIDEO_BITRATE: - { - uint bitrate = ctrl->value / 100000; - if (bitrate >= 10 && bitrate <= 135) - ret = 0; - break; - } - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: - { - uint peak_bitrate = ctrl->value / 100000; - if (peak_bitrate >= 10 && peak_bitrate <= 202) - ret = 0; - break; - } - case V4L2_CID_MPEG_STREAM_TYPE: - if (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS) - ret = 0; - break; - default: - return -EINVAL; - } - return ret; -} - -static int vidioc_try_ext_ctrls(struct file *file, void *priv, - struct v4l2_ext_controls *ctrls) -{ - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; - int i, err = 0; - - if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { - for (i = 0; i < ctrls->count; i++) { - struct v4l2_ext_control *ctrl = ctrls->controls + i; - - err = hdpvr_try_ctrl(ctrl, - dev->flags & HDPVR_FLAG_AC3_CAP); - if (err) { - ctrls->error_idx = i; - break; - } - } - return err; - } - - return -EINVAL; -} - - -static int hdpvr_set_ctrl(struct hdpvr_device *dev, - struct v4l2_ext_control *ctrl) -{ - struct hdpvr_options *opt = &dev->options; - int ret = 0; - - switch (ctrl->id) { + ret = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->val); + if (ret) + break; + dev->options.sharpness = ctrl->val; + return 0; case V4L2_CID_MPEG_AUDIO_ENCODING: if (dev->flags & HDPVR_FLAG_AC3_CAP) { - opt->audio_codec = ctrl->value; - ret = hdpvr_set_audio(dev, opt->audio_input, + opt->audio_codec = ctrl->val; + return hdpvr_set_audio(dev, opt->audio_input, opt->audio_codec); } - break; + return 0; case V4L2_CID_MPEG_VIDEO_ENCODING: - break; + return 0; /* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ /* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */ /* opt->gop_mode |= 0x2; */ @@ -1050,86 +939,41 @@ static int hdpvr_set_ctrl(struct hdpvr_device *dev, /* opt->gop_mode); */ /* } */ /* break; */ - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR && - opt->bitrate_mode != HDPVR_CONSTANT) { - opt->bitrate_mode = HDPVR_CONSTANT; - hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, - opt->bitrate_mode); - } - if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && - opt->bitrate_mode == HDPVR_CONSTANT) { - opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: { + uint peak_bitrate = dev->video_bitrate_peak->val / 100000; + uint bitrate = dev->video_bitrate->val / 100000; + + if (ctrl->is_new) { + if (ctrl->val == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) + opt->bitrate_mode = HDPVR_CONSTANT; + else + opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, opt->bitrate_mode); + v4l2_ctrl_activate(dev->video_bitrate_peak, + ctrl->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); } - break; - case V4L2_CID_MPEG_VIDEO_BITRATE: { - uint bitrate = ctrl->value / 100000; - - opt->bitrate = bitrate; - if (bitrate >= opt->peak_bitrate) - opt->peak_bitrate = bitrate+1; - - hdpvr_set_bitrate(dev); - break; - } - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: { - uint peak_bitrate = ctrl->value / 100000; - - if (opt->bitrate_mode == HDPVR_CONSTANT) - break; - if (opt->bitrate < peak_bitrate) { + if (dev->video_bitrate_peak->is_new || + dev->video_bitrate->is_new) { + opt->bitrate = bitrate; opt->peak_bitrate = peak_bitrate; hdpvr_set_bitrate(dev); - } else - ret = -EINVAL; - break; + } + return 0; } case V4L2_CID_MPEG_STREAM_TYPE: - break; + return 0; default: - return -EINVAL; + break; } return ret; } -static int vidioc_s_ext_ctrls(struct file *file, void *priv, - struct v4l2_ext_controls *ctrls) -{ - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; - int i, err = 0; - - if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { - for (i = 0; i < ctrls->count; i++) { - struct v4l2_ext_control *ctrl = ctrls->controls + i; - - err = hdpvr_try_ctrl(ctrl, - dev->flags & HDPVR_FLAG_AC3_CAP); - if (err) { - ctrls->error_idx = i; - break; - } - err = hdpvr_set_ctrl(dev, ctrl); - if (err) { - ctrls->error_idx = i; - break; - } - } - return err; - - } - - return -EINVAL; -} - static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, struct v4l2_fmtdesc *f) { - - if (f->index != 0 || f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + if (f->index != 0) return -EINVAL; f->flags = V4L2_FMT_FLAG_COMPRESSED; @@ -1139,56 +983,92 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, return 0; } -static int vidioc_g_fmt_vid_cap(struct file *file, void *private_data, +static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh, struct v4l2_format *f) { - struct hdpvr_fh *fh = file->private_data; - struct hdpvr_device *dev = fh->dev; - struct hdpvr_video_info *vid_info; - - if (!dev) - return -ENODEV; - - vid_info = get_video_info(dev); - if (!vid_info) - return -EFAULT; - - f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + struct hdpvr_device *dev = video_drvdata(file); + struct hdpvr_fh *fh = _fh; + + /* + * The original driver would always returns the current detected + * resolution as the format (and EFAULT if it couldn't be detected). + * With the introduction of VIDIOC_QUERY_DV_TIMINGS there is now a + * better way of doing this, but to stay compatible with existing + * applications we assume legacy mode every time an application opens + * the device. Only if one of the new DV_TIMINGS ioctls is called + * will the filehandle go into 'normal' mode where g_fmt returns the + * last set format. + */ + if (fh->legacy_mode) { + struct hdpvr_video_info *vid_info; + + vid_info = get_video_info(dev); + if (!vid_info) + return -EFAULT; + f->fmt.pix.width = vid_info->width; + f->fmt.pix.height = vid_info->height; + kfree(vid_info); + } else { + f->fmt.pix.width = dev->width; + f->fmt.pix.height = dev->height; + } f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; - f->fmt.pix.width = vid_info->width; - f->fmt.pix.height = vid_info->height; f->fmt.pix.sizeimage = dev->bulk_in_size; - f->fmt.pix.colorspace = 0; f->fmt.pix.bytesperline = 0; - f->fmt.pix.field = V4L2_FIELD_ANY; - - kfree(vid_info); + f->fmt.pix.priv = 0; + if (f->fmt.pix.width == 720) { + /* SDTV formats */ + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + f->fmt.pix.field = V4L2_FIELD_INTERLACED; + } else { + /* HDTV formats */ + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE240M; + f->fmt.pix.field = V4L2_FIELD_NONE; + } return 0; } static int vidioc_encoder_cmd(struct file *filp, void *priv, struct v4l2_encoder_cmd *a) { - struct hdpvr_fh *fh = filp->private_data; - struct hdpvr_device *dev = fh->dev; - int res; + struct hdpvr_device *dev = video_drvdata(filp); + int res = 0; mutex_lock(&dev->io_mutex); + a->flags = 0; - memset(&a->raw, 0, sizeof(a->raw)); switch (a->cmd) { case V4L2_ENC_CMD_START: - a->flags = 0; + if (dev->owner && filp->private_data != dev->owner) { + res = -EBUSY; + break; + } + if (dev->status == STATUS_STREAMING) + break; res = hdpvr_start_streaming(dev); + if (!res) + dev->owner = filp->private_data; + else + dev->status = STATUS_IDLE; break; case V4L2_ENC_CMD_STOP: + if (dev->owner && filp->private_data != dev->owner) { + res = -EBUSY; + break; + } + if (dev->status == STATUS_IDLE) + break; res = hdpvr_stop_streaming(dev); + if (!res) + dev->owner = NULL; break; default: v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, "Unsupported encoder cmd %d\n", a->cmd); res = -EINVAL; + break; } + mutex_unlock(&dev->io_mutex); return res; } @@ -1196,6 +1076,7 @@ static int vidioc_encoder_cmd(struct file *filp, void *priv, static int vidioc_try_encoder_cmd(struct file *filp, void *priv, struct v4l2_encoder_cmd *a) { + a->flags = 0; switch (a->cmd) { case V4L2_ENC_CMD_START: case V4L2_ENC_CMD_STOP: @@ -1208,22 +1089,28 @@ static int vidioc_try_encoder_cmd(struct file *filp, void *priv, static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = { .vidioc_querycap = vidioc_querycap, .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, + .vidioc_querystd = vidioc_querystd, + .vidioc_s_dv_timings = vidioc_s_dv_timings, + .vidioc_g_dv_timings = vidioc_g_dv_timings, + .vidioc_query_dv_timings= vidioc_query_dv_timings, + .vidioc_enum_dv_timings = vidioc_enum_dv_timings, + .vidioc_dv_timings_cap = vidioc_dv_timings_cap, .vidioc_enum_input = vidioc_enum_input, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, .vidioc_enumaudio = vidioc_enumaudio, .vidioc_g_audio = vidioc_g_audio, .vidioc_s_audio = vidioc_s_audio, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, - .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, - .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_enum_fmt_vid_cap= vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_g_fmt_vid_cap, .vidioc_encoder_cmd = vidioc_encoder_cmd, .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd, + .vidioc_log_status = v4l2_ctrl_log_status, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static void hdpvr_device_release(struct video_device *vdev) @@ -1236,9 +1123,10 @@ static void hdpvr_device_release(struct video_device *vdev) mutex_unlock(&dev->io_mutex); v4l2_device_unregister(&dev->v4l2_dev); + v4l2_ctrl_handler_free(&dev->hdl); /* deregister I2C adapter */ -#if defined(CONFIG_I2C) || (CONFIG_I2C_MODULE) +#if IS_ENABLED(CONFIG_I2C) mutex_lock(&dev->i2c_mutex); i2c_del_adapter(&dev->i2c_adapter); mutex_unlock(&dev->i2c_mutex); @@ -1249,41 +1137,112 @@ static void hdpvr_device_release(struct video_device *vdev) } static const struct video_device hdpvr_video_template = { -/* .type = VFL_TYPE_GRABBER, */ -/* .type2 = VID_TYPE_CAPTURE | VID_TYPE_MPEG_ENCODER, */ .fops = &hdpvr_fops, .release = hdpvr_device_release, .ioctl_ops = &hdpvr_ioctl_ops, - .tvnorms = - V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_B | - V4L2_STD_PAL_G | V4L2_STD_PAL_H | V4L2_STD_PAL_I | - V4L2_STD_PAL_D | V4L2_STD_PAL_M | V4L2_STD_PAL_N | - V4L2_STD_PAL_60, - .current_norm = V4L2_STD_NTSC | V4L2_STD_PAL_M | - V4L2_STD_PAL_60, + .tvnorms = V4L2_STD_ALL, +}; + +static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = { + .try_ctrl = hdpvr_try_ctrl, + .s_ctrl = hdpvr_s_ctrl, }; int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, int devnum) { + struct v4l2_ctrl_handler *hdl = &dev->hdl; + bool ac3 = dev->flags & HDPVR_FLAG_AC3_CAP; + int res; + + dev->cur_std = V4L2_STD_525_60; + dev->width = 720; + dev->height = 480; + dev->cur_dv_timings = hdpvr_dv_timings[HDPVR_DEF_DV_TIMINGS_IDX]; + v4l2_ctrl_handler_init(hdl, 11); + if (dev->fw_ver > 0x15) { + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x80); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x40); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x40); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_HUE, 0x0, 0x1e, 1, 0xf); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); + } else { + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0x0, 0xff, 1, 0x86); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_CONTRAST, 0x0, 0xff, 1, 0x80); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_SATURATION, 0x0, 0xff, 1, 0x80); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_HUE, 0x0, 0xff, 1, 0x80); + v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_SHARPNESS, 0x0, 0xff, 1, 0x80); + } + + v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, + V4L2_CID_MPEG_STREAM_TYPE, + V4L2_MPEG_STREAM_TYPE_MPEG2_TS, + 0x1, V4L2_MPEG_STREAM_TYPE_MPEG2_TS); + v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, + V4L2_CID_MPEG_AUDIO_ENCODING, + ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : V4L2_MPEG_AUDIO_ENCODING_AAC, + 0x7, V4L2_MPEG_AUDIO_ENCODING_AAC); + v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, + V4L2_CID_MPEG_VIDEO_ENCODING, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 0x3, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); + + dev->video_mode = v4l2_ctrl_new_std_menu(hdl, &hdpvr_ctrl_ops, + V4L2_CID_MPEG_VIDEO_BITRATE_MODE, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); + + dev->video_bitrate = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_MPEG_VIDEO_BITRATE, + 1000000, 13500000, 100000, 6500000); + dev->video_bitrate_peak = v4l2_ctrl_new_std(hdl, &hdpvr_ctrl_ops, + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, + 1100000, 20200000, 100000, 9000000); + dev->v4l2_dev.ctrl_handler = hdl; + if (hdl->error) { + res = hdl->error; + v4l2_err(&dev->v4l2_dev, "Could not register controls\n"); + goto error; + } + v4l2_ctrl_cluster(3, &dev->video_mode); + res = v4l2_ctrl_handler_setup(hdl); + if (res < 0) { + v4l2_err(&dev->v4l2_dev, "Could not setup controls\n"); + goto error; + } + /* setup and register video device */ dev->video_dev = video_device_alloc(); if (!dev->video_dev) { v4l2_err(&dev->v4l2_dev, "video_device_alloc() failed\n"); + res = -ENOMEM; goto error; } - *(dev->video_dev) = hdpvr_video_template; + *dev->video_dev = hdpvr_video_template; strcpy(dev->video_dev->name, "Hauppauge HD PVR"); - dev->video_dev->parent = parent; + dev->video_dev->v4l2_dev = &dev->v4l2_dev; video_set_drvdata(dev->video_dev, dev); + set_bit(V4L2_FL_USE_FH_PRIO, &dev->video_dev->flags); - if (video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum)) { + res = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum); + if (res < 0) { v4l2_err(&dev->v4l2_dev, "video_device registration failed\n"); goto error; } return 0; error: - return -ENOMEM; + v4l2_ctrl_handler_free(hdl); + return res; } |