diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-15 18:29:14 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-15 18:29:14 -0700 |
commit | 71f3a82fab1b631ae9cb1feb677f498d4ca5007d (patch) | |
tree | f3b7fd0a62658d60b491c65cf8ab93378e322024 /drivers/media/platform/video-mux.c | |
parent | 54dbe75bbf1e189982516de179147208e90b5e45 (diff) | |
parent | da2048b7348a0be92f706ac019e022139e29495e (diff) |
Merge tag 'media/v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new Socionext MN88443x ISDB-S/T demodulator driver: mn88443x
- new sensor drivers: ak7375, ov2680 and rj54n1cb0c
- an old soc-camera sensor driver converted to the V4L2 framework:
mt9v111
- a new Voice-Coil Motor (VCM) driver: dw9807-vcm
- some cleanups at cx25821, removing legacy unused code
- some improvements at ddbridge driver
- new platform driver: vicodec
- some DVB API cleanups, removing ioctls and compat code for old
out-of-tree drivers that were never merged upstream
- improvements at DVB core to support frontents that support both
Satellite and non-satellite delivery systems
- got rid of the unused VIDIOC_RESERVED V4L2 ioctl
- some cleanups/improvements at gl861 ISDB driver
- several improvements on ov772x, ov7670 and ov5640, imx274, ov5645,
and smiapp sensor drivers
- fixes at em28xx to support dual TS devices
- some cleanups at V4L2/VB2 locking logic
- some API improvements at media controller
- some cec core and drivers improvements
- some uvcvideo improvements
- some improvements at platform drivers: stm32-dcmi, rcar-vin, coda,
reneseas-ceu, imx, vsp1, venus, camss
- lots of other cleanups and fixes
* tag 'media/v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (406 commits)
Revert "media: vivid: shut up warnings due to a non-trivial logic"
siano: get rid of an unused return code for debugfs register
media: isp: fix a warning about a wrong struct initializer
media: radio-wl1273: fix return code for the polling routine
media: s3c-camif: fix return code for the polling routine
media: saa7164: fix return codes for the polling routine
media: exynos-gsc: fix return code if mutex was interrupted
media: mt9v111: Fix build error with no VIDEO_V4L2_SUBDEV_API
media: xc4000: get rid of uneeded casts
media: drxj: get rid of uneeded casts
media: tuner-xc2028: don't use casts for printing sizes
media: cleanup fall-through comments
media: vivid: shut up warnings due to a non-trivial logic
media: rtl28xxu: be sure that it won't go past the array size
media: mt9v111: avoid going past the buffer
media: vsp1_dl: add a description for cmdpool field
media: sta2x11: add a missing parameter description
media: v4l2-mem2mem: add descriptions to MC fields
media: i2c: fix warning in Aptina MT9V111
media: imx: shut up a false positive warning
...
Diffstat (limited to 'drivers/media/platform/video-mux.c')
-rw-r--r-- | drivers/media/platform/video-mux.c | 119 |
1 files changed, 115 insertions, 4 deletions
diff --git a/drivers/media/platform/video-mux.c b/drivers/media/platform/video-mux.c index 1fb887293337..c01e1592ad0a 100644 --- a/drivers/media/platform/video-mux.c +++ b/drivers/media/platform/video-mux.c @@ -34,6 +34,13 @@ struct video_mux { int active; }; +static const struct v4l2_mbus_framefmt video_mux_format_mbus_default = { + .width = 1, + .height = 1, + .code = MEDIA_BUS_FMT_Y8_1X8, + .field = V4L2_FIELD_NONE, +}; + static inline struct video_mux *v4l2_subdev_to_video_mux(struct v4l2_subdev *sd) { return container_of(sd, struct video_mux, subdev); @@ -180,6 +187,88 @@ static int video_mux_set_format(struct v4l2_subdev *sd, if (!source_mbusformat) return -EINVAL; + /* No size limitations except V4L2 compliance requirements */ + v4l_bound_align_image(&sdformat->format.width, 1, 65536, 0, + &sdformat->format.height, 1, 65536, 0, 0); + + /* All formats except LVDS and vendor specific formats are acceptable */ + switch (sdformat->format.code) { + case MEDIA_BUS_FMT_RGB444_1X12: + case MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE: + case MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE: + case MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE: + case MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE: + case MEDIA_BUS_FMT_RGB565_1X16: + case MEDIA_BUS_FMT_BGR565_2X8_BE: + case MEDIA_BUS_FMT_BGR565_2X8_LE: + case MEDIA_BUS_FMT_RGB565_2X8_BE: + case MEDIA_BUS_FMT_RGB565_2X8_LE: + case MEDIA_BUS_FMT_RGB666_1X18: + case MEDIA_BUS_FMT_RBG888_1X24: + case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: + case MEDIA_BUS_FMT_BGR888_1X24: + case MEDIA_BUS_FMT_GBR888_1X24: + case MEDIA_BUS_FMT_RGB888_1X24: + case MEDIA_BUS_FMT_RGB888_2X12_BE: + case MEDIA_BUS_FMT_RGB888_2X12_LE: + case MEDIA_BUS_FMT_ARGB8888_1X32: + case MEDIA_BUS_FMT_RGB888_1X32_PADHI: + case MEDIA_BUS_FMT_RGB101010_1X30: + case MEDIA_BUS_FMT_RGB121212_1X36: + case MEDIA_BUS_FMT_RGB161616_1X48: + case MEDIA_BUS_FMT_Y8_1X8: + case MEDIA_BUS_FMT_UV8_1X8: + case MEDIA_BUS_FMT_UYVY8_1_5X8: + case MEDIA_BUS_FMT_VYUY8_1_5X8: + case MEDIA_BUS_FMT_YUYV8_1_5X8: + case MEDIA_BUS_FMT_YVYU8_1_5X8: + case MEDIA_BUS_FMT_UYVY8_2X8: + case MEDIA_BUS_FMT_VYUY8_2X8: + case MEDIA_BUS_FMT_YUYV8_2X8: + case MEDIA_BUS_FMT_YVYU8_2X8: + case MEDIA_BUS_FMT_Y10_1X10: + case MEDIA_BUS_FMT_UYVY10_2X10: + case MEDIA_BUS_FMT_VYUY10_2X10: + case MEDIA_BUS_FMT_YUYV10_2X10: + case MEDIA_BUS_FMT_YVYU10_2X10: + case MEDIA_BUS_FMT_Y12_1X12: + case MEDIA_BUS_FMT_UYVY12_2X12: + case MEDIA_BUS_FMT_VYUY12_2X12: + case MEDIA_BUS_FMT_YUYV12_2X12: + case MEDIA_BUS_FMT_YVYU12_2X12: + case MEDIA_BUS_FMT_UYVY8_1X16: + case MEDIA_BUS_FMT_VYUY8_1X16: + case MEDIA_BUS_FMT_YUYV8_1X16: + case MEDIA_BUS_FMT_YVYU8_1X16: + case MEDIA_BUS_FMT_YDYUYDYV8_1X16: + case MEDIA_BUS_FMT_UYVY10_1X20: + case MEDIA_BUS_FMT_VYUY10_1X20: + case MEDIA_BUS_FMT_YUYV10_1X20: + case MEDIA_BUS_FMT_YVYU10_1X20: + case MEDIA_BUS_FMT_VUY8_1X24: + case MEDIA_BUS_FMT_YUV8_1X24: + case MEDIA_BUS_FMT_UYYVYY8_0_5X24: + case MEDIA_BUS_FMT_UYVY12_1X24: + case MEDIA_BUS_FMT_VYUY12_1X24: + case MEDIA_BUS_FMT_YUYV12_1X24: + case MEDIA_BUS_FMT_YVYU12_1X24: + case MEDIA_BUS_FMT_YUV10_1X30: + case MEDIA_BUS_FMT_UYYVYY10_0_5X30: + case MEDIA_BUS_FMT_AYUV8_1X32: + case MEDIA_BUS_FMT_UYYVYY12_0_5X36: + case MEDIA_BUS_FMT_YUV12_1X36: + case MEDIA_BUS_FMT_YUV16_1X48: + case MEDIA_BUS_FMT_UYYVYY16_0_5X48: + case MEDIA_BUS_FMT_JPEG_1X8: + case MEDIA_BUS_FMT_AHSV8888_1X32: + break; + default: + sdformat->format.code = MEDIA_BUS_FMT_Y8_1X8; + break; + } + if (sdformat->format.field == V4L2_FIELD_ANY) + sdformat->format.field = V4L2_FIELD_NONE; + mutex_lock(&vmux->lock); /* Source pad mirrors active sink pad, no limitations on sink pads */ @@ -197,7 +286,27 @@ static int video_mux_set_format(struct v4l2_subdev *sd, return 0; } +static int video_mux_init_cfg(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg) +{ + struct video_mux *vmux = v4l2_subdev_to_video_mux(sd); + struct v4l2_mbus_framefmt *mbusformat; + unsigned int i; + + mutex_lock(&vmux->lock); + + for (i = 0; i < sd->entity.num_pads; i++) { + mbusformat = v4l2_subdev_get_try_format(sd, cfg, i); + *mbusformat = video_mux_format_mbus_default; + } + + mutex_unlock(&vmux->lock); + + return 0; +} + static const struct v4l2_subdev_pad_ops video_mux_pad_ops = { + .init_cfg = video_mux_init_cfg, .get_fmt = video_mux_get_format, .set_fmt = video_mux_set_format, }; @@ -214,8 +323,8 @@ static int video_mux_probe(struct platform_device *pdev) struct device_node *ep; struct video_mux *vmux; unsigned int num_pads = 0; + unsigned int i; int ret; - int i; vmux = devm_kzalloc(dev, sizeof(*vmux), GFP_KERNEL); if (!vmux) @@ -260,9 +369,11 @@ static int video_mux_probe(struct platform_device *pdev) sizeof(*vmux->format_mbus), GFP_KERNEL); - for (i = 0; i < num_pads - 1; i++) - vmux->pads[i].flags = MEDIA_PAD_FL_SINK; - vmux->pads[num_pads - 1].flags = MEDIA_PAD_FL_SOURCE; + for (i = 0; i < num_pads; i++) { + vmux->pads[i].flags = (i < num_pads - 1) ? MEDIA_PAD_FL_SINK + : MEDIA_PAD_FL_SOURCE; + vmux->format_mbus[i] = video_mux_format_mbus_default; + } vmux->subdev.entity.function = MEDIA_ENT_F_VID_MUX; ret = media_entity_pads_init(&vmux->subdev.entity, num_pads, |