From e7549b926dd3ceec048f5689df90d4ec970c9419 Mon Sep 17 00:00:00 2001 From: Wolfgang Wiedmeyer Date: Fri, 23 Oct 2015 13:30:20 +0200 Subject: more driver stuff from 3.2.72 --- drivers/media/video/em28xx/em28xx-video.c | 72 ++++++++++++++++++++++++++----- 1 file changed, 62 insertions(+), 10 deletions(-) (limited to 'drivers/media/video/em28xx/em28xx-video.c') diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 7b6461d..9b4557a 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -32,7 +32,6 @@ #include #include #include -#include #include #include #include @@ -50,7 +49,8 @@ "Sascha Sommer " #define DRIVER_DESC "Empia em28xx based USB video device driver" -#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 2) + +#define EM28XX_VERSION "0.1.3" #define em28xx_videodbg(fmt, arg...) do {\ if (video_debug) \ @@ -72,6 +72,7 @@ do {\ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); +MODULE_VERSION(EM28XX_VERSION); static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; @@ -1155,6 +1156,21 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) return 0; } +static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) +{ + struct em28xx_fh *fh = priv; + struct em28xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + v4l2_device_call_all(&dev->v4l2_dev, 0, video, querystd, norm); + + return 0; +} + static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) { struct em28xx_fh *fh = priv; @@ -1757,8 +1773,6 @@ static int vidioc_querycap(struct file *file, void *priv, strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->version = EM28XX_VERSION_CODE; - cap->capabilities = V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE | @@ -1788,6 +1802,45 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, return 0; } +static int vidioc_enum_framesizes(struct file *file, void *priv, + struct v4l2_frmsizeenum *fsize) +{ + struct em28xx_fh *fh = priv; + struct em28xx *dev = fh->dev; + struct em28xx_fmt *fmt; + unsigned int maxw = norm_maxw(dev); + unsigned int maxh = norm_maxh(dev); + + fmt = format_by_fourcc(fsize->pixel_format); + if (!fmt) { + em28xx_videodbg("Fourcc format (%08x) invalid.\n", + fsize->pixel_format); + return -EINVAL; + } + + if (dev->board.is_em2800) { + if (fsize->index > 1) + return -EINVAL; + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsize->discrete.width = maxw / (1 + fsize->index); + fsize->discrete.height = maxh / (1 + fsize->index); + return 0; + } + + if (fsize->index != 0) + return -EINVAL; + + /* Report a continuous range */ + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; + fsize->stepwise.min_width = 48; + fsize->stepwise.min_height = 32; + fsize->stepwise.max_width = maxw; + fsize->stepwise.max_height = maxh; + fsize->stepwise.step_width = 1; + fsize->stepwise.step_height = 1; + return 0; +} + /* Sliced VBI ioctls */ static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, struct v4l2_format *f) @@ -1976,7 +2029,6 @@ static int radio_querycap(struct file *file, void *priv, strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->version = EM28XX_VERSION_CODE; cap->capabilities = V4L2_CAP_TUNER; return 0; } @@ -2202,6 +2254,7 @@ static int em28xx_v4l2_close(struct file *filp) free the remaining resources */ if (dev->state & DEV_DISCONNECTED) { em28xx_release_resources(dev); + kfree(dev->alt_max_pkt_size); kfree(dev); return 0; } @@ -2342,10 +2395,10 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, + .vidioc_enum_framesizes = vidioc_enum_framesizes, .vidioc_g_audio = vidioc_g_audio, .vidioc_s_audio = vidioc_s_audio, .vidioc_cropcap = vidioc_cropcap, - .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, @@ -2355,6 +2408,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, .vidioc_g_std = vidioc_g_std, + .vidioc_querystd = vidioc_querystd, .vidioc_s_std = vidioc_s_std, .vidioc_g_parm = vidioc_g_parm, .vidioc_s_parm = vidioc_s_parm, @@ -2450,10 +2504,8 @@ int em28xx_register_analog_devices(struct em28xx *dev) u8 val; int ret; - printk(KERN_INFO "%s: v4l2 driver version %d.%d.%d\n", - dev->name, - (EM28XX_VERSION_CODE >> 16) & 0xff, - (EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff); + printk(KERN_INFO "%s: v4l2 driver version %s\n", + dev->name, EM28XX_VERSION); /* set default norm */ dev->norm = em28xx_video_template.current_norm; -- cgit v1.1