diff options
Diffstat (limited to 'drivers/media/usb/s2255/s2255drv.c')
-rw-r--r-- | drivers/media/usb/s2255/s2255drv.c | 61 |
1 files changed, 39 insertions, 22 deletions
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 9cb832517040..88f728d3b24f 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -225,6 +225,7 @@ struct s2255_channel { struct s2255_dmaqueue vidq; struct s2255_bufferi buffer; struct s2255_mode mode; + v4l2_std_id std; /* jpeg compression */ unsigned jpegqual; /* capture parameters (for high quality mode full size) */ @@ -312,7 +313,7 @@ struct s2255_fh { /* Need DSP version 5+ for video status feature */ #define S2255_MIN_DSP_STATUS 5 #define S2255_MIN_DSP_COLORFILTER 8 -#define S2255_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC) +#define S2255_NORMS (V4L2_STD_ALL) /* private V4L2 controls */ @@ -443,27 +444,27 @@ static const struct s2255_fmt formats[] = { } }; -static int norm_maxw(struct video_device *vdev) +static int norm_maxw(struct s2255_channel *channel) { - return (vdev->current_norm & V4L2_STD_NTSC) ? + return (channel->std & V4L2_STD_525_60) ? LINE_SZ_4CIFS_NTSC : LINE_SZ_4CIFS_PAL; } -static int norm_maxh(struct video_device *vdev) +static int norm_maxh(struct s2255_channel *channel) { - return (vdev->current_norm & V4L2_STD_NTSC) ? + return (channel->std & V4L2_STD_525_60) ? (NUM_LINES_1CIFS_NTSC * 2) : (NUM_LINES_1CIFS_PAL * 2); } -static int norm_minw(struct video_device *vdev) +static int norm_minw(struct s2255_channel *channel) { - return (vdev->current_norm & V4L2_STD_NTSC) ? + return (channel->std & V4L2_STD_525_60) ? LINE_SZ_1CIFS_NTSC : LINE_SZ_1CIFS_PAL; } -static int norm_minh(struct video_device *vdev) +static int norm_minh(struct s2255_channel *channel) { - return (vdev->current_norm & V4L2_STD_NTSC) ? + return (channel->std & V4L2_STD_525_60) ? (NUM_LINES_1CIFS_NTSC) : (NUM_LINES_1CIFS_PAL); } @@ -725,10 +726,10 @@ static int buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, if (channel->fmt == NULL) return -EINVAL; - if ((w < norm_minw(&channel->vdev)) || - (w > norm_maxw(&channel->vdev)) || - (h < norm_minh(&channel->vdev)) || - (h > norm_maxh(&channel->vdev))) { + if ((w < norm_minw(channel)) || + (w > norm_maxw(channel)) || + (h < norm_minh(channel)) || + (h > norm_maxh(channel))) { dprintk(4, "invalid buffer prepare\n"); return -EINVAL; } @@ -870,8 +871,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct s2255_fh *fh = priv; struct s2255_channel *channel = fh->channel; int is_ntsc; - is_ntsc = - (channel->vdev.current_norm & V4L2_STD_NTSC) ? 1 : 0; + is_ntsc = (channel->std & V4L2_STD_525_60) ? 1 : 0; fmt = format_by_fourcc(f->fmt.pix.pixelformat); @@ -998,8 +998,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, channel->height = f->fmt.pix.height; fh->vb_vidq.field = f->fmt.pix.field; fh->type = f->type; - if (channel->width > norm_minw(&channel->vdev)) { - if (channel->height > norm_minh(&channel->vdev)) { + if (channel->width > norm_minw(channel)) { + if (channel->height > norm_minh(channel)) { if (channel->cap_parm.capturemode & V4L2_MODE_HIGHQUALITY) mode.scale = SCALE_4CIFSI; @@ -1323,7 +1323,9 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) struct s2255_fh *fh = priv; struct s2255_mode mode; struct videobuf_queue *q = &fh->vb_vidq; + struct s2255_channel *channel = fh->channel; int ret = 0; + mutex_lock(&q->vb_lock); if (videobuf_queue_is_busy(q)) { dprintk(1, "queue busy\n"); @@ -1336,24 +1338,30 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) goto out_s_std; } mode = fh->channel->mode; - if (*i & V4L2_STD_NTSC) { - dprintk(4, "%s NTSC\n", __func__); + if (*i & V4L2_STD_525_60) { + dprintk(4, "%s 60 Hz\n", __func__); /* if changing format, reset frame decimation/intervals */ if (mode.format != FORMAT_NTSC) { mode.restart = 1; mode.format = FORMAT_NTSC; mode.fdec = FDEC_1; + channel->width = LINE_SZ_4CIFS_NTSC; + channel->height = NUM_LINES_4CIFS_NTSC * 2; } - } else if (*i & V4L2_STD_PAL) { - dprintk(4, "%s PAL\n", __func__); + } else if (*i & V4L2_STD_625_50) { + dprintk(4, "%s 50 Hz\n", __func__); if (mode.format != FORMAT_PAL) { mode.restart = 1; mode.format = FORMAT_PAL; mode.fdec = FDEC_1; + channel->width = LINE_SZ_4CIFS_PAL; + channel->height = NUM_LINES_4CIFS_PAL * 2; } } else { ret = -EINVAL; + goto out_s_std; } + fh->channel->std = *i; if (mode.restart) s2255_set_mode(fh->channel, &mode); out_s_std: @@ -1361,6 +1369,14 @@ out_s_std: return ret; } +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *i) +{ + struct s2255_fh *fh = priv; + + *i = fh->channel->std; + return 0; +} + /* Sensoray 2255 is a multiple channel capture device. It does not have a "crossbar" of inputs. We use one V4L device per channel. The user must @@ -1815,6 +1831,7 @@ static const struct v4l2_ioctl_ops s2255_ioctl_ops = { .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, .vidioc_enum_input = vidioc_enum_input, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, @@ -1851,7 +1868,6 @@ static struct video_device template = { .ioctl_ops = &s2255_ioctl_ops, .release = s2255_video_device_release, .tvnorms = S2255_NORMS, - .current_norm = V4L2_STD_NTSC_M, }; static const struct v4l2_ctrl_ops s2255_ctrl_ops = { @@ -2265,6 +2281,7 @@ static int s2255_board_init(struct s2255_dev *dev) channel->jpegqual = S2255_DEF_JPEG_QUAL; channel->width = LINE_SZ_4CIFS_NTSC; channel->height = NUM_LINES_4CIFS_NTSC * 2; + channel->std = V4L2_STD_NTSC_M; channel->fmt = &formats[0]; channel->mode.restart = 1; channel->req_image_size = get_transfer_size(&mode_def); |