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Message-ID: <d4b3df9c-9b0b-96c3-7731-4f74975a6097@collabora.com>
Date: Wed, 13 Mar 2019 20:33:36 -0300
From: Helen Koike <helen.koike@...labora.com>
To: kieran.bingham@...asonboard.com, linux-media@...r.kernel.org
Cc: lucmaga@...il.com, linux-kernel@...r.kernel.org,
lkcamp@...ts.libreplanetbr.org, andrealmeid@...labora.com,
Hans Verkuil <hverkuil@...all.nl>, kernel@...labora.com,
Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: [PATCH v2] media: vimc: propagate pixel format in the stream
On 3/13/19 10:24 AM, Kieran Bingham wrote:
> Hi Helen,
>
> Glancing through I saw one tiny thing below: Not a full review...
>
> s/vimc_cap_supported_pixftm/vimc_cap_supported_pixfmt/
Thanks for spotting that, fixed in v3 :)
Helen
>
>
> --
> Regards
>
> Kieran
>
>
> On 13/03/2019 01:37, Helen Koike wrote:
>> Media bus codes were being mapped to pixelformats, which causes a
>> limitation on vimc because not all pixelformats can be mapped to media
>> bus codes.
>> Also, media bus codes are an internal configuration from the device.
>> Userspace only assures media bus codes matches between pads and expects
>> the image in a given pixelformat. So we can allow almost any media bus
>> format to be configured between pads, except for debayer that expects a
>> media bus code of type bayer in the sink pad.
>>
>> Signed-off-by: Helen Koike <helen.koike@...labora.com>
>>
>> ---
>> Hello,
>>
>> I fixed the errors "v4l2-compliance -m0" was reporting (thanks Hans for
>> testing, I'll be more carefull next time), I also removed some
>> dead code from the vimc-common.h header (thanks Andre for the review).
>> I hope this looks find now, please let me knof if you see anything else.
>>
>> The series depends on
>> "[PATCH] media: Introduce helpers to fill pixel format structs "
>>
>> Thanks,
>> Helen
>>
>> Changes in v2:
>> - use __u32 for vimc_mbus_list[] as it is compared with userspace
>> objects
>> - remove struct vimc_pix_map and vimc_pix_map_*() function scopes from
>> header that are not required anymore.
>> - fix failing "v4l2-compliance -m0" tests by adding
>> vimc_mbus_code_supported() and checking the mbus code given by userspace
>> in set_fmt functions.
>>
>> drivers/media/platform/vimc/vimc-capture.c | 76 +++--
>> drivers/media/platform/vimc/vimc-common.c | 309 ++++++++------------
>> drivers/media/platform/vimc/vimc-common.h | 58 ++--
>> drivers/media/platform/vimc/vimc-debayer.c | 81 +++--
>> drivers/media/platform/vimc/vimc-scaler.c | 63 ++--
>> drivers/media/platform/vimc/vimc-sensor.c | 51 +---
>> drivers/media/platform/vimc/vimc-streamer.c | 2 +
>> drivers/media/platform/vimc/vimc-streamer.h | 6 +
>> 8 files changed, 304 insertions(+), 342 deletions(-)
>>
>> diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
>> index e976a9d6b460..6377974879d7 100644
>> --- a/drivers/media/platform/vimc/vimc-capture.c
>> +++ b/drivers/media/platform/vimc/vimc-capture.c
>> @@ -28,6 +28,32 @@
>>
>> #define VIMC_CAP_DRV_NAME "vimc-capture"
>>
>> +static const u32 vimc_cap_supported_pixftm[] = {
>
> Should that be vimc_cap_supported_pixfmt? (s/ftm/fmt/)
>
>> + V4L2_PIX_FMT_BGR24,
>> + V4L2_PIX_FMT_RGB24,
>> + V4L2_PIX_FMT_ARGB32,
>> + V4L2_PIX_FMT_SBGGR8,
>> + V4L2_PIX_FMT_SGBRG8,
>> + V4L2_PIX_FMT_SGRBG8,
>> + V4L2_PIX_FMT_SRGGB8,
>> + V4L2_PIX_FMT_SBGGR10,
>> + V4L2_PIX_FMT_SGBRG10,
>> + V4L2_PIX_FMT_SGRBG10,
>> + V4L2_PIX_FMT_SRGGB10,
>> + V4L2_PIX_FMT_SBGGR10ALAW8,
>> + V4L2_PIX_FMT_SGBRG10ALAW8,
>> + V4L2_PIX_FMT_SGRBG10ALAW8,
>> + V4L2_PIX_FMT_SRGGB10ALAW8,
>> + V4L2_PIX_FMT_SBGGR10DPCM8,
>> + V4L2_PIX_FMT_SGBRG10DPCM8,
>> + V4L2_PIX_FMT_SGRBG10DPCM8,
>> + V4L2_PIX_FMT_SRGGB10DPCM8,
>> + V4L2_PIX_FMT_SBGGR12,
>> + V4L2_PIX_FMT_SGBRG12,
>> + V4L2_PIX_FMT_SGRBG12,
>> + V4L2_PIX_FMT_SRGGB12,
>> +};
>> +
>> struct vimc_cap_device {
>> struct vimc_ent_device ved;
>> struct video_device vdev;
>> @@ -101,29 +127,25 @@ static int vimc_cap_try_fmt_vid_cap(struct file *file, void *priv,
>> struct v4l2_format *f)
>> {
>> struct v4l2_pix_format *format = &f->fmt.pix;
>> - const struct vimc_pix_map *vpix;
>>
>> format->width = clamp_t(u32, format->width, VIMC_FRAME_MIN_WIDTH,
>> VIMC_FRAME_MAX_WIDTH) & ~1;
>> format->height = clamp_t(u32, format->height, VIMC_FRAME_MIN_HEIGHT,
>> VIMC_FRAME_MAX_HEIGHT) & ~1;
>>
>> - /* Don't accept a pixelformat that is not on the table */
>> - vpix = vimc_pix_map_by_pixelformat(format->pixelformat);
>> - if (!vpix) {
>> - format->pixelformat = fmt_default.pixelformat;
>> - vpix = vimc_pix_map_by_pixelformat(format->pixelformat);
>> - }
>> - /* TODO: Add support for custom bytesperline values */
>> - format->bytesperline = format->width * vpix->bpp;
>> - format->sizeimage = format->bytesperline * format->height;
>> + vimc_colorimetry_clamp(format);
>>
>> if (format->field == V4L2_FIELD_ANY)
>> format->field = fmt_default.field;
>>
>> - vimc_colorimetry_clamp(format);
>> + /* TODO: Add support for custom bytesperline values */
>>
>> - return 0;
>> + /* Don't accept a pixelformat that is not on the table */
>> + if (!v4l2_format_info(format->pixelformat))
>> + format->pixelformat = fmt_default.pixelformat;
>> +
>> + return v4l2_fill_pixfmt(format, format->pixelformat,
>> + format->width, format->height);
>> }
>>
>> static int vimc_cap_s_fmt_vid_cap(struct file *file, void *priv,
>> @@ -159,27 +181,31 @@ static int vimc_cap_s_fmt_vid_cap(struct file *file, void *priv,
>> static int vimc_cap_enum_fmt_vid_cap(struct file *file, void *priv,
>> struct v4l2_fmtdesc *f)
>> {
>> - const struct vimc_pix_map *vpix = vimc_pix_map_by_index(f->index);
>> -
>> - if (!vpix)
>> + if (f->index >= ARRAY_SIZE(vimc_cap_supported_pixftm))
>> return -EINVAL;
>>
>> - f->pixelformat = vpix->pixelformat;
>> + f->pixelformat = vimc_cap_supported_pixftm[f->index];
>>
>> return 0;
>> }
>>
>> +static bool vimc_cap_is_pixfmt_supported(u32 pixelformat)
>> +{
>> + unsigned int i;
>> +
>> + for (i = 0; i < ARRAY_SIZE(vimc_cap_supported_pixftm); i++)
>> + if (vimc_cap_supported_pixftm[i] == pixelformat)
>> + return true;
>> + return false;
>> +}
>> +
>> static int vimc_cap_enum_framesizes(struct file *file, void *fh,
>> struct v4l2_frmsizeenum *fsize)
>> {
>> - const struct vimc_pix_map *vpix;
>> -
>> if (fsize->index)
>> return -EINVAL;
>>
>> - /* Only accept code in the pix map table */
>> - vpix = vimc_pix_map_by_code(fsize->pixel_format);
>> - if (!vpix)
>> + if (!vimc_cap_is_pixfmt_supported(fsize->pixel_format))
>> return -EINVAL;
>>
>> fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
>> @@ -253,6 +279,7 @@ static int vimc_cap_start_streaming(struct vb2_queue *vq, unsigned int count)
>> return ret;
>> }
>>
>> + vcap->stream.producer_pixfmt = vcap->format.pixelformat;
>> ret = vimc_streamer_s_stream(&vcap->stream, &vcap->ved, 1);
>> if (ret) {
>> media_pipeline_stop(entity);
>> @@ -403,7 +430,6 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
>> {
>> struct v4l2_device *v4l2_dev = master_data;
>> struct vimc_platform_data *pdata = comp->platform_data;
>> - const struct vimc_pix_map *vpix;
>> struct vimc_cap_device *vcap;
>> struct video_device *vdev;
>> struct vb2_queue *q;
>> @@ -458,10 +484,8 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
>>
>> /* Set default frame format */
>> vcap->format = fmt_default;
>> - vpix = vimc_pix_map_by_pixelformat(vcap->format.pixelformat);
>> - vcap->format.bytesperline = vcap->format.width * vpix->bpp;
>> - vcap->format.sizeimage = vcap->format.bytesperline *
>> - vcap->format.height;
>> + v4l2_fill_pixfmt(&vcap->format, vcap->format.pixelformat,
>> + vcap->format.width, vcap->format.height);
>>
>> /* Fill the vimc_ent_device struct */
>> vcap->ved.ent = &vcap->vdev.entity;
>> diff --git a/drivers/media/platform/vimc/vimc-common.c b/drivers/media/platform/vimc/vimc-common.c
>> index 0adbfd8fd26d..dcfefaf4fa61 100644
>> --- a/drivers/media/platform/vimc/vimc-common.c
>> +++ b/drivers/media/platform/vimc/vimc-common.c
>> @@ -20,192 +20,139 @@
>>
>> #include "vimc-common.h"
>>
>> -/*
>> - * NOTE: non-bayer formats need to come first (necessary for enum_mbus_code
>> - * in the scaler)
>> - */
>> -static const struct vimc_pix_map vimc_pix_map_list[] = {
>> - /* TODO: add all missing formats */
>> -
>> - /* RGB formats */
>> - {
>> - .code = MEDIA_BUS_FMT_BGR888_1X24,
>> - .pixelformat = V4L2_PIX_FMT_BGR24,
>> - .bpp = 3,
>> - .bayer = false,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_RGB888_1X24,
>> - .pixelformat = V4L2_PIX_FMT_RGB24,
>> - .bpp = 3,
>> - .bayer = false,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_ARGB8888_1X32,
>> - .pixelformat = V4L2_PIX_FMT_ARGB32,
>> - .bpp = 4,
>> - .bayer = false,
>> - },
>> -
>> - /* Bayer formats */
>> - {
>> - .code = MEDIA_BUS_FMT_SBGGR8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SBGGR8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGBRG8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SGBRG8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGRBG8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SGRBG8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SRGGB8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SRGGB8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SBGGR10_1X10,
>> - .pixelformat = V4L2_PIX_FMT_SBGGR10,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGBRG10_1X10,
>> - .pixelformat = V4L2_PIX_FMT_SGBRG10,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGRBG10_1X10,
>> - .pixelformat = V4L2_PIX_FMT_SGRBG10,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SRGGB10_1X10,
>> - .pixelformat = V4L2_PIX_FMT_SRGGB10,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> -
>> - /* 10bit raw bayer a-law compressed to 8 bits */
>> - {
>> - .code = MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SBGGR10ALAW8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SGBRG10ALAW8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SGRBG10ALAW8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SRGGB10ALAW8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> -
>> - /* 10bit raw bayer DPCM compressed to 8 bits */
>> - {
>> - .code = MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SBGGR10DPCM8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SGBRG10DPCM8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SGRBG10DPCM8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8,
>> - .pixelformat = V4L2_PIX_FMT_SRGGB10DPCM8,
>> - .bpp = 1,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SBGGR12_1X12,
>> - .pixelformat = V4L2_PIX_FMT_SBGGR12,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGBRG12_1X12,
>> - .pixelformat = V4L2_PIX_FMT_SGBRG12,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SGRBG12_1X12,
>> - .pixelformat = V4L2_PIX_FMT_SGRBG12,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> - {
>> - .code = MEDIA_BUS_FMT_SRGGB12_1X12,
>> - .pixelformat = V4L2_PIX_FMT_SRGGB12,
>> - .bpp = 2,
>> - .bayer = true,
>> - },
>> +const __u32 vimc_mbus_list[] = {
>> + MEDIA_BUS_FMT_FIXED,
>> + MEDIA_BUS_FMT_RGB444_1X12,
>> + MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE,
>> + MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE,
>> + MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE,
>> + MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE,
>> + MEDIA_BUS_FMT_RGB565_1X16,
>> + MEDIA_BUS_FMT_BGR565_2X8_BE,
>> + MEDIA_BUS_FMT_BGR565_2X8_LE,
>> + MEDIA_BUS_FMT_RGB565_2X8_BE,
>> + MEDIA_BUS_FMT_RGB565_2X8_LE,
>> + MEDIA_BUS_FMT_RGB666_1X18,
>> + MEDIA_BUS_FMT_RBG888_1X24,
>> + MEDIA_BUS_FMT_RGB666_1X24_CPADHI,
>> + MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
>> + MEDIA_BUS_FMT_BGR888_1X24,
>> + MEDIA_BUS_FMT_GBR888_1X24,
>> + MEDIA_BUS_FMT_RGB888_1X24,
>> + MEDIA_BUS_FMT_RGB888_2X12_BE,
>> + MEDIA_BUS_FMT_RGB888_2X12_LE,
>> + MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
>> + MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA,
>> + MEDIA_BUS_FMT_ARGB8888_1X32,
>> + MEDIA_BUS_FMT_RGB888_1X32_PADHI,
>> + MEDIA_BUS_FMT_RGB101010_1X30,
>> + MEDIA_BUS_FMT_RGB121212_1X36,
>> + MEDIA_BUS_FMT_RGB161616_1X48,
>> + MEDIA_BUS_FMT_Y8_1X8,
>> + MEDIA_BUS_FMT_UV8_1X8,
>> + MEDIA_BUS_FMT_UYVY8_1_5X8,
>> + MEDIA_BUS_FMT_VYUY8_1_5X8,
>> + MEDIA_BUS_FMT_YUYV8_1_5X8,
>> + MEDIA_BUS_FMT_YVYU8_1_5X8,
>> + MEDIA_BUS_FMT_UYVY8_2X8,
>> + MEDIA_BUS_FMT_VYUY8_2X8,
>> + MEDIA_BUS_FMT_YUYV8_2X8,
>> + MEDIA_BUS_FMT_YVYU8_2X8,
>> + MEDIA_BUS_FMT_Y10_1X10,
>> + MEDIA_BUS_FMT_Y10_2X8_PADHI_LE,
>> + MEDIA_BUS_FMT_UYVY10_2X10,
>> + MEDIA_BUS_FMT_VYUY10_2X10,
>> + MEDIA_BUS_FMT_YUYV10_2X10,
>> + MEDIA_BUS_FMT_YVYU10_2X10,
>> + MEDIA_BUS_FMT_Y12_1X12,
>> + MEDIA_BUS_FMT_UYVY12_2X12,
>> + MEDIA_BUS_FMT_VYUY12_2X12,
>> + MEDIA_BUS_FMT_YUYV12_2X12,
>> + MEDIA_BUS_FMT_YVYU12_2X12,
>> + MEDIA_BUS_FMT_UYVY8_1X16,
>> + MEDIA_BUS_FMT_VYUY8_1X16,
>> + MEDIA_BUS_FMT_YUYV8_1X16,
>> + MEDIA_BUS_FMT_YVYU8_1X16,
>> + MEDIA_BUS_FMT_YDYUYDYV8_1X16,
>> + MEDIA_BUS_FMT_UYVY10_1X20,
>> + MEDIA_BUS_FMT_VYUY10_1X20,
>> + MEDIA_BUS_FMT_YUYV10_1X20,
>> + MEDIA_BUS_FMT_YVYU10_1X20,
>> + MEDIA_BUS_FMT_VUY8_1X24,
>> + MEDIA_BUS_FMT_YUV8_1X24,
>> + MEDIA_BUS_FMT_UYYVYY8_0_5X24,
>> + MEDIA_BUS_FMT_UYVY12_1X24,
>> + MEDIA_BUS_FMT_VYUY12_1X24,
>> + MEDIA_BUS_FMT_YUYV12_1X24,
>> + MEDIA_BUS_FMT_YVYU12_1X24,
>> + MEDIA_BUS_FMT_YUV10_1X30,
>> + MEDIA_BUS_FMT_UYYVYY10_0_5X30,
>> + MEDIA_BUS_FMT_AYUV8_1X32,
>> + MEDIA_BUS_FMT_UYYVYY12_0_5X36,
>> + MEDIA_BUS_FMT_YUV12_1X36,
>> + MEDIA_BUS_FMT_YUV16_1X48,
>> + MEDIA_BUS_FMT_UYYVYY16_0_5X48,
>> + MEDIA_BUS_FMT_SBGGR8_1X8,
>> + MEDIA_BUS_FMT_SGBRG8_1X8,
>> + MEDIA_BUS_FMT_SGRBG8_1X8,
>> + MEDIA_BUS_FMT_SRGGB8_1X8,
>> + MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8,
>> + MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8,
>> + MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8,
>> + MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8,
>> + MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8,
>> + MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8,
>> + MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8,
>> + MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8,
>> + MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE,
>> + MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE,
>> + MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE,
>> + MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE,
>> + MEDIA_BUS_FMT_SBGGR10_1X10,
>> + MEDIA_BUS_FMT_SGBRG10_1X10,
>> + MEDIA_BUS_FMT_SGRBG10_1X10,
>> + MEDIA_BUS_FMT_SRGGB10_1X10,
>> + MEDIA_BUS_FMT_SBGGR12_1X12,
>> + MEDIA_BUS_FMT_SGBRG12_1X12,
>> + MEDIA_BUS_FMT_SGRBG12_1X12,
>> + MEDIA_BUS_FMT_SRGGB12_1X12,
>> + MEDIA_BUS_FMT_SBGGR14_1X14,
>> + MEDIA_BUS_FMT_SGBRG14_1X14,
>> + MEDIA_BUS_FMT_SGRBG14_1X14,
>> + MEDIA_BUS_FMT_SRGGB14_1X14,
>> + MEDIA_BUS_FMT_SBGGR16_1X16,
>> + MEDIA_BUS_FMT_SGBRG16_1X16,
>> + MEDIA_BUS_FMT_SGRBG16_1X16,
>> + MEDIA_BUS_FMT_SRGGB16_1X16,
>> + MEDIA_BUS_FMT_JPEG_1X8,
>> + MEDIA_BUS_FMT_S5C_UYVY_JPEG_1X8,
>> + MEDIA_BUS_FMT_AHSV8888_1X32,
>> };
>>
>> -const struct vimc_pix_map *vimc_pix_map_by_index(unsigned int i)
>> -{
>> - if (i >= ARRAY_SIZE(vimc_pix_map_list))
>> - return NULL;
>> -
>> - return &vimc_pix_map_list[i];
>> -}
>> -EXPORT_SYMBOL_GPL(vimc_pix_map_by_index);
>> -
>> -const struct vimc_pix_map *vimc_pix_map_by_code(u32 code)
>> +/* Helper function to check mbus codes */
>> +bool vimc_mbus_code_supported(__u32 code)
>> {
>> unsigned int i;
>>
>> - for (i = 0; i < ARRAY_SIZE(vimc_pix_map_list); i++) {
>> - if (vimc_pix_map_list[i].code == code)
>> - return &vimc_pix_map_list[i];
>> - }
>> - return NULL;
>> + for (i = 0; i < ARRAY_SIZE(vimc_mbus_list); i++)
>> + if (code == vimc_mbus_list[i])
>> + return true;
>> + return false;
>> }
>> -EXPORT_SYMBOL_GPL(vimc_pix_map_by_code);
>> +EXPORT_SYMBOL_GPL(vimc_mbus_code_supported);
>>
>> -const struct vimc_pix_map *vimc_pix_map_by_pixelformat(u32 pixelformat)
>> +/* Helper function to enumerate mbus codes */
>> +int vimc_enum_mbus_code(struct v4l2_subdev *sd,
>> + struct v4l2_subdev_pad_config *cfg,
>> + struct v4l2_subdev_mbus_code_enum *code)
>> {
>> - unsigned int i;
>> + if (code->index >= ARRAY_SIZE(vimc_mbus_list))
>> + return -EINVAL;
>>
>> - for (i = 0; i < ARRAY_SIZE(vimc_pix_map_list); i++) {
>> - if (vimc_pix_map_list[i].pixelformat == pixelformat)
>> - return &vimc_pix_map_list[i];
>> - }
>> - return NULL;
>> + code->code = vimc_mbus_list[code->index];
>> + return 0;
>> }
>> -EXPORT_SYMBOL_GPL(vimc_pix_map_by_pixelformat);
>> +EXPORT_SYMBOL_GPL(vimc_enum_mbus_code);
>>
>> /* Helper function to allocate and initialize pads */
>> struct media_pad *vimc_pads_init(u16 num_pads, const unsigned long *pads_flag)
>> @@ -277,15 +224,13 @@ static int vimc_get_mbus_format(struct media_pad *pad,
>> struct video_device,
>> entity);
>> struct vimc_ent_device *ved = video_get_drvdata(vdev);
>> - const struct vimc_pix_map *vpix;
>> struct v4l2_pix_format vdev_fmt;
>>
>> if (!ved->vdev_get_format)
>> return -ENOIOCTLCMD;
>>
>> ved->vdev_get_format(ved, &vdev_fmt);
>> - vpix = vimc_pix_map_by_pixelformat(vdev_fmt.pixelformat);
>> - v4l2_fill_mbus_format(&fmt->format, &vdev_fmt, vpix->code);
>> + v4l2_fill_mbus_format(&fmt->format, &vdev_fmt, 0);
>> } else {
>> return -EINVAL;
>> }
>> @@ -325,8 +270,12 @@ int vimc_link_validate(struct media_link *link)
>> /* The width, height and code must match. */
>> if (source_fmt.format.width != sink_fmt.format.width
>> || source_fmt.format.height != sink_fmt.format.height
>> - || source_fmt.format.code != sink_fmt.format.code)
>> + || (source_fmt.format.code && sink_fmt.format.code &&
>> + source_fmt.format.code != sink_fmt.format.code)) {
>> + pr_err("vimc: format doesn't match in link %s->%s\n",
>> + link->source->entity->name, link->sink->entity->name);
>> return -EPIPE;
>> + }
>>
>> /*
>> * The field order must match, or the sink field order must be NONE
>> diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/platform/vimc/vimc-common.h
>> index 07987eab988f..98e5ffaf98fb 100644
>> --- a/drivers/media/platform/vimc/vimc-common.h
>> +++ b/drivers/media/platform/vimc/vimc-common.h
>> @@ -22,6 +22,8 @@
>> #include <media/media-device.h>
>> #include <media/v4l2-device.h>
>>
>> +#include "vimc-streamer.h"
>> +
>> #define VIMC_PDEV_NAME "vimc"
>>
>> /* VIMC-specific controls */
>> @@ -77,23 +79,6 @@ struct vimc_platform_data {
>> char entity_name[32];
>> };
>>
>> -/**
>> - * struct vimc_pix_map - maps media bus code with v4l2 pixel format
>> - *
>> - * @code: media bus format code defined by MEDIA_BUS_FMT_* macros
>> - * @bbp: number of bytes each pixel occupies
>> - * @pixelformat: pixel format devined by V4L2_PIX_FMT_* macros
>> - *
>> - * Struct which matches the MEDIA_BUS_FMT_* codes with the corresponding
>> - * V4L2_PIX_FMT_* fourcc pixelformat and its bytes per pixel (bpp)
>> - */
>> -struct vimc_pix_map {
>> - unsigned int code;
>> - unsigned int bpp;
>> - u32 pixelformat;
>> - bool bayer;
>> -};
>> -
>> /**
>> * struct vimc_ent_device - core struct that represents a node in the topology
>> *
>> @@ -115,12 +100,30 @@ struct vimc_pix_map {
>> struct vimc_ent_device {
>> struct media_entity *ent;
>> struct media_pad *pads;
>> + struct vimc_stream *stream;
>> void * (*process_frame)(struct vimc_ent_device *ved,
>> const void *frame);
>> void (*vdev_get_format)(struct vimc_ent_device *ved,
>> struct v4l2_pix_format *fmt);
>> };
>>
>> +/**
>> + * vimc_mbus_code_supported - helper to check supported mbus codes
>> + *
>> + * Helper function to check if mbus code is enumerated by vimc_enum_mbus_code()
>> + */
>> +bool vimc_mbus_code_supported(__u32 code);
>> +
>> +/**
>> + * vimc_enum_mbus_code - enumerate mbus codes
>> + *
>> + * Helper function to be pluged in .enum_mbus_code from
>> + * struct v4l2_subdev_pad_ops.
>> + */
>> +int vimc_enum_mbus_code(struct v4l2_subdev *sd,
>> + struct v4l2_subdev_pad_config *cfg,
>> + struct v4l2_subdev_mbus_code_enum *code);
>> +
>> /**
>> * vimc_pads_init - initialize pads
>> *
>> @@ -155,27 +158,6 @@ static inline void vimc_pads_cleanup(struct media_pad *pads)
>> */
>> int vimc_pipeline_s_stream(struct media_entity *ent, int enable);
>>
>> -/**
>> - * vimc_pix_map_by_index - get vimc_pix_map struct by its index
>> - *
>> - * @i: index of the vimc_pix_map struct in vimc_pix_map_list
>> - */
>> -const struct vimc_pix_map *vimc_pix_map_by_index(unsigned int i);
>> -
>> -/**
>> - * vimc_pix_map_by_code - get vimc_pix_map struct by media bus code
>> - *
>> - * @code: media bus format code defined by MEDIA_BUS_FMT_* macros
>> - */
>> -const struct vimc_pix_map *vimc_pix_map_by_code(u32 code);
>> -
>> -/**
>> - * vimc_pix_map_by_pixelformat - get vimc_pix_map struct by v4l2 pixel format
>> - *
>> - * @pixelformat: pixel format devined by V4L2_PIX_FMT_* macros
>> - */
>> -const struct vimc_pix_map *vimc_pix_map_by_pixelformat(u32 pixelformat);
>> -
>> /**
>> * vimc_ent_sd_register - initialize and register a subdev node
>> *
>> diff --git a/drivers/media/platform/vimc/vimc-debayer.c b/drivers/media/platform/vimc/vimc-debayer.c
>> index 20826f209731..419ad57a4f5c 100644
>> --- a/drivers/media/platform/vimc/vimc-debayer.c
>> +++ b/drivers/media/platform/vimc/vimc-debayer.c
>> @@ -26,6 +26,9 @@
>> #include "vimc-common.h"
>>
>> #define VIMC_DEB_DRV_NAME "vimc-debayer"
>> +/* This module only supports tranforming a bayer format to V4L2_PIX_FMT_RGB24 */
>> +#define VIMC_DEB_SRC_PIXFMT V4L2_PIX_FMT_RGB24
>> +#define VIMC_DEB_SRC_MBUS_FMT_DEFAULT MEDIA_BUS_FMT_RGB888_1X24
>>
>> static unsigned int deb_mean_win_size = 3;
>> module_param(deb_mean_win_size, uint, 0000);
>> @@ -44,6 +47,7 @@ enum vimc_deb_rgb_colors {
>> };
>>
>> struct vimc_deb_pix_map {
>> + u32 pixelformat;
>> u32 code;
>> enum vimc_deb_rgb_colors order[2][2];
>> };
>> @@ -73,61 +77,73 @@ static const struct v4l2_mbus_framefmt sink_fmt_default = {
>>
>> static const struct vimc_deb_pix_map vimc_deb_pix_map_list[] = {
>> {
>> + .pixelformat = V4L2_PIX_FMT_SBGGR8,
>> .code = MEDIA_BUS_FMT_SBGGR8_1X8,
>> .order = { { VIMC_DEB_BLUE, VIMC_DEB_GREEN },
>> { VIMC_DEB_GREEN, VIMC_DEB_RED } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SGBRG8,
>> .code = MEDIA_BUS_FMT_SGBRG8_1X8,
>> .order = { { VIMC_DEB_GREEN, VIMC_DEB_BLUE },
>> { VIMC_DEB_RED, VIMC_DEB_GREEN } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SGRBG8,
>> .code = MEDIA_BUS_FMT_SGRBG8_1X8,
>> .order = { { VIMC_DEB_GREEN, VIMC_DEB_RED },
>> { VIMC_DEB_BLUE, VIMC_DEB_GREEN } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SRGGB8,
>> .code = MEDIA_BUS_FMT_SRGGB8_1X8,
>> .order = { { VIMC_DEB_RED, VIMC_DEB_GREEN },
>> { VIMC_DEB_GREEN, VIMC_DEB_BLUE } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SBGGR10,
>> .code = MEDIA_BUS_FMT_SBGGR10_1X10,
>> .order = { { VIMC_DEB_BLUE, VIMC_DEB_GREEN },
>> { VIMC_DEB_GREEN, VIMC_DEB_RED } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SGBRG10,
>> .code = MEDIA_BUS_FMT_SGBRG10_1X10,
>> .order = { { VIMC_DEB_GREEN, VIMC_DEB_BLUE },
>> { VIMC_DEB_RED, VIMC_DEB_GREEN } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SGRBG10,
>> .code = MEDIA_BUS_FMT_SGRBG10_1X10,
>> .order = { { VIMC_DEB_GREEN, VIMC_DEB_RED },
>> { VIMC_DEB_BLUE, VIMC_DEB_GREEN } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SRGGB10,
>> .code = MEDIA_BUS_FMT_SRGGB10_1X10,
>> .order = { { VIMC_DEB_RED, VIMC_DEB_GREEN },
>> { VIMC_DEB_GREEN, VIMC_DEB_BLUE } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SBGGR12,
>> .code = MEDIA_BUS_FMT_SBGGR12_1X12,
>> .order = { { VIMC_DEB_BLUE, VIMC_DEB_GREEN },
>> { VIMC_DEB_GREEN, VIMC_DEB_RED } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SGBRG12,
>> .code = MEDIA_BUS_FMT_SGBRG12_1X12,
>> .order = { { VIMC_DEB_GREEN, VIMC_DEB_BLUE },
>> { VIMC_DEB_RED, VIMC_DEB_GREEN } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SGRBG12,
>> .code = MEDIA_BUS_FMT_SGRBG12_1X12,
>> .order = { { VIMC_DEB_GREEN, VIMC_DEB_RED },
>> { VIMC_DEB_BLUE, VIMC_DEB_GREEN } }
>> },
>> {
>> + .pixelformat = V4L2_PIX_FMT_SRGGB12,
>> .code = MEDIA_BUS_FMT_SRGGB12_1X12,
>> .order = { { VIMC_DEB_RED, VIMC_DEB_GREEN },
>> { VIMC_DEB_GREEN, VIMC_DEB_BLUE } }
>> @@ -168,41 +184,32 @@ static int vimc_deb_enum_mbus_code(struct v4l2_subdev *sd,
>> struct v4l2_subdev_pad_config *cfg,
>> struct v4l2_subdev_mbus_code_enum *code)
>> {
>> - /* We only support one format for source pads */
>> - if (IS_SRC(code->pad)) {
>> - struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
>> -
>> - if (code->index)
>> - return -EINVAL;
>> -
>> - code->code = vdeb->src_code;
>> - } else {
>> + /* For the sink pad we only support codes in the map_list */
>> + if (IS_SINK(code->pad)) {
>> if (code->index >= ARRAY_SIZE(vimc_deb_pix_map_list))
>> return -EINVAL;
>>
>> code->code = vimc_deb_pix_map_list[code->index].code;
>> + return 0;
>> }
>>
>> - return 0;
>> + return vimc_enum_mbus_code(sd, cfg, code);
>> }
>>
>> static int vimc_deb_enum_frame_size(struct v4l2_subdev *sd,
>> struct v4l2_subdev_pad_config *cfg,
>> struct v4l2_subdev_frame_size_enum *fse)
>> {
>> - struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
>> -
>> if (fse->index)
>> return -EINVAL;
>>
>> + /* For the sink pad we only support codes in the map_list */
>> if (IS_SINK(fse->pad)) {
>> const struct vimc_deb_pix_map *vpix =
>> vimc_deb_pix_map_by_code(fse->code);
>>
>> if (!vpix)
>> return -EINVAL;
>> - } else if (fse->code != vdeb->src_code) {
>> - return -EINVAL;
>> }
>>
>> fse->min_width = VIMC_FRAME_MIN_WIDTH;
>> @@ -258,6 +265,9 @@ static int vimc_deb_set_fmt(struct v4l2_subdev *sd,
>> struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
>> struct v4l2_mbus_framefmt *sink_fmt;
>>
>> + if (!vimc_mbus_code_supported(fmt->format.code))
>> + fmt->format.code = sink_fmt_default.code;
>> +
>> if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
>> /* Do not change the format while stream is on */
>> if (vdeb->src_frame)
>> @@ -270,11 +280,11 @@ static int vimc_deb_set_fmt(struct v4l2_subdev *sd,
>>
>> /*
>> * Do not change the format of the source pad,
>> - * it is propagated from the sink
>> + * it is propagated from the sink (except for the code)
>> */
>> if (IS_SRC(fmt->pad)) {
>> + vdeb->src_code = fmt->format.code;
>> fmt->format = *sink_fmt;
>> - /* TODO: Add support for other formats */
>> fmt->format.code = vdeb->src_code;
>> } else {
>> /* Set the new format in the sink pad */
>> @@ -306,7 +316,7 @@ static const struct v4l2_subdev_pad_ops vimc_deb_pad_ops = {
>> .set_fmt = vimc_deb_set_fmt,
>> };
>>
>> -static void vimc_deb_set_rgb_mbus_fmt_rgb888_1x24(struct vimc_deb_device *vdeb,
>> +static void vimc_deb_set_rgb_pix_rgb24(struct vimc_deb_device *vdeb,
>> unsigned int lin,
>> unsigned int col,
>> unsigned int rgb[3])
>> @@ -323,25 +333,38 @@ static int vimc_deb_s_stream(struct v4l2_subdev *sd, int enable)
>> struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
>>
>> if (enable) {
>> - const struct vimc_pix_map *vpix;
>> + u32 src_pixelformat = vdeb->ved.stream->producer_pixfmt;
>> + const struct v4l2_format_info *pix_info;
>> unsigned int frame_size;
>>
>> if (vdeb->src_frame)
>> return 0;
>>
>> - /* Calculate the frame size of the source pad */
>> - vpix = vimc_pix_map_by_code(vdeb->src_code);
>> - frame_size = vdeb->sink_fmt.width * vdeb->sink_fmt.height *
>> - vpix->bpp;
>> -
>> - /* Save the bytes per pixel of the sink */
>> - vpix = vimc_pix_map_by_code(vdeb->sink_fmt.code);
>> - vdeb->sink_bpp = vpix->bpp;
>> + /* We only support translating bayer to RGB24 */
>> + if (src_pixelformat != V4L2_PIX_FMT_RGB24) {
>> + dev_err(vdeb->dev,
>> + "translating to pixfmt (%s) is not supported\n",
>> + v4l2_get_fourcc_name(src_pixelformat));
>> + return -EINVAL;
>> + }
>>
>> /* Get the corresponding pixel map from the table */
>> vdeb->sink_pix_map =
>> vimc_deb_pix_map_by_code(vdeb->sink_fmt.code);
>>
>> + /* Request bayer format from the pipeline for the sink pad */
>> + vdeb->ved.stream->producer_pixfmt =
>> + vdeb->sink_pix_map->pixelformat;
>> +
>> + /* Calculate frame_size of the source */
>> + pix_info = v4l2_format_info(src_pixelformat);
>> + frame_size = vdeb->sink_fmt.width * vdeb->sink_fmt.height *
>> + pix_info->bpp[0];
>> +
>> + /* Get bpp from the sink */
>> + pix_info = v4l2_format_info(vdeb->sink_pix_map->pixelformat);
>> + vdeb->sink_bpp = pix_info->bpp[0];
>> +
>> /*
>> * Allocate the frame buffer. Use vmalloc to be able to
>> * allocate a large amount of memory
>> @@ -542,14 +565,14 @@ static int vimc_deb_comp_bind(struct device *comp, struct device *master,
>>
>> /* Initialize the frame format */
>> vdeb->sink_fmt = sink_fmt_default;
>> + vdeb->src_code = VIMC_DEB_SRC_MBUS_FMT_DEFAULT;
>> /*
>> * TODO: Add support for more output formats, we only support
>> - * RGB888 for now
>> + * RGB24 for now.
>> * NOTE: the src format is always the same as the sink, except
>> * for the code
>> */
>> - vdeb->src_code = MEDIA_BUS_FMT_RGB888_1X24;
>> - vdeb->set_rgb_src = vimc_deb_set_rgb_mbus_fmt_rgb888_1x24;
>> + vdeb->set_rgb_src = vimc_deb_set_rgb_pix_rgb24;
>>
>> return 0;
>> }
>> diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c
>> index 2028afa4ef7a..fbdd72b9303b 100644
>> --- a/drivers/media/platform/vimc/vimc-scaler.c
>> +++ b/drivers/media/platform/vimc/vimc-scaler.c
>> @@ -35,6 +35,12 @@ MODULE_PARM_DESC(sca_mult, " the image size multiplier");
>> #define IS_SRC(pad) (pad)
>> #define MAX_ZOOM 8
>>
>> +static const u32 vimc_sca_supported_pixftm[] = {
>> + V4L2_PIX_FMT_BGR24,
>> + V4L2_PIX_FMT_RGB24,
>> + V4L2_PIX_FMT_ARGB32,
>> +};
>> +
>> struct vimc_sca_device {
>> struct vimc_ent_device ved;
>> struct v4l2_subdev sd;
>> @@ -57,6 +63,16 @@ static const struct v4l2_mbus_framefmt sink_fmt_default = {
>> .colorspace = V4L2_COLORSPACE_DEFAULT,
>> };
>>
>> +static bool vimc_sca_is_pixfmt_supported(u32 pixelformat)
>> +{
>> + unsigned int i;
>> +
>> + for (i = 0; i < ARRAY_SIZE(vimc_sca_supported_pixftm); i++)
>> + if (vimc_sca_supported_pixftm[i] == pixelformat)
>> + return true;
>> + return false;
>> +}
>> +
>> static int vimc_sca_init_cfg(struct v4l2_subdev *sd,
>> struct v4l2_subdev_pad_config *cfg)
>> {
>> @@ -76,35 +92,13 @@ static int vimc_sca_init_cfg(struct v4l2_subdev *sd,
>> return 0;
>> }
>>
>> -static int vimc_sca_enum_mbus_code(struct v4l2_subdev *sd,
>> - struct v4l2_subdev_pad_config *cfg,
>> - struct v4l2_subdev_mbus_code_enum *code)
>> -{
>> - const struct vimc_pix_map *vpix = vimc_pix_map_by_index(code->index);
>> -
>> - /* We don't support bayer format */
>> - if (!vpix || vpix->bayer)
>> - return -EINVAL;
>> -
>> - code->code = vpix->code;
>> -
>> - return 0;
>> -}
>> -
>> static int vimc_sca_enum_frame_size(struct v4l2_subdev *sd,
>> struct v4l2_subdev_pad_config *cfg,
>> struct v4l2_subdev_frame_size_enum *fse)
>> {
>> - const struct vimc_pix_map *vpix;
>> -
>> if (fse->index)
>> return -EINVAL;
>>
>> - /* Only accept code in the pix map table in non bayer format */
>> - vpix = vimc_pix_map_by_code(fse->code);
>> - if (!vpix || vpix->bayer)
>> - return -EINVAL;
>> -
>> fse->min_width = VIMC_FRAME_MIN_WIDTH;
>> fse->min_height = VIMC_FRAME_MIN_HEIGHT;
>>
>> @@ -141,13 +135,6 @@ static int vimc_sca_get_fmt(struct v4l2_subdev *sd,
>>
>> static void vimc_sca_adjust_sink_fmt(struct v4l2_mbus_framefmt *fmt)
>> {
>> - const struct vimc_pix_map *vpix;
>> -
>> - /* Only accept code in the pix map table in non bayer format */
>> - vpix = vimc_pix_map_by_code(fmt->code);
>> - if (!vpix || vpix->bayer)
>> - fmt->code = sink_fmt_default.code;
>> -
>> fmt->width = clamp_t(u32, fmt->width, VIMC_FRAME_MIN_WIDTH,
>> VIMC_FRAME_MAX_WIDTH) & ~1;
>> fmt->height = clamp_t(u32, fmt->height, VIMC_FRAME_MIN_HEIGHT,
>> @@ -166,6 +153,9 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
>> struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
>> struct v4l2_mbus_framefmt *sink_fmt;
>>
>> + if (!vimc_mbus_code_supported(fmt->format.code))
>> + fmt->format.code = sink_fmt_default.code;
>> +
>> if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
>> /* Do not change the format while stream is on */
>> if (vsca->src_frame)
>> @@ -208,7 +198,7 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
>>
>> static const struct v4l2_subdev_pad_ops vimc_sca_pad_ops = {
>> .init_cfg = vimc_sca_init_cfg,
>> - .enum_mbus_code = vimc_sca_enum_mbus_code,
>> + .enum_mbus_code = vimc_enum_mbus_code,
>> .enum_frame_size = vimc_sca_enum_frame_size,
>> .get_fmt = vimc_sca_get_fmt,
>> .set_fmt = vimc_sca_set_fmt,
>> @@ -219,15 +209,22 @@ static int vimc_sca_s_stream(struct v4l2_subdev *sd, int enable)
>> struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
>>
>> if (enable) {
>> - const struct vimc_pix_map *vpix;
>> + u32 pixelformat = vsca->ved.stream->producer_pixfmt;
>> + const struct v4l2_format_info *pix_info;
>> unsigned int frame_size;
>>
>> if (vsca->src_frame)
>> return 0;
>>
>> + if (!vimc_sca_is_pixfmt_supported(pixelformat)) {
>> + dev_err(vsca->dev, "pixfmt (%s) is not supported\n",
>> + v4l2_get_fourcc_name(pixelformat));
>> + return -EINVAL;
>> + }
>> +
>> /* Save the bytes per pixel of the sink */
>> - vpix = vimc_pix_map_by_code(vsca->sink_fmt.code);
>> - vsca->bpp = vpix->bpp;
>> + pix_info = v4l2_format_info(pixelformat);
>> + vsca->bpp = pix_info->bpp[0];
>>
>> /* Calculate the width in bytes of the src frame */
>> vsca->src_line_size = vsca->sink_fmt.width *
>> diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c
>> index d7891d3bbeaa..081e54204c9f 100644
>> --- a/drivers/media/platform/vimc/vimc-sensor.c
>> +++ b/drivers/media/platform/vimc/vimc-sensor.c
>> @@ -65,34 +65,13 @@ static int vimc_sen_init_cfg(struct v4l2_subdev *sd,
>> return 0;
>> }
>>
>> -static int vimc_sen_enum_mbus_code(struct v4l2_subdev *sd,
>> - struct v4l2_subdev_pad_config *cfg,
>> - struct v4l2_subdev_mbus_code_enum *code)
>> -{
>> - const struct vimc_pix_map *vpix = vimc_pix_map_by_index(code->index);
>> -
>> - if (!vpix)
>> - return -EINVAL;
>> -
>> - code->code = vpix->code;
>> -
>> - return 0;
>> -}
>> -
>> static int vimc_sen_enum_frame_size(struct v4l2_subdev *sd,
>> struct v4l2_subdev_pad_config *cfg,
>> struct v4l2_subdev_frame_size_enum *fse)
>> {
>> - const struct vimc_pix_map *vpix;
>> -
>> if (fse->index)
>> return -EINVAL;
>>
>> - /* Only accept code in the pix map table */
>> - vpix = vimc_pix_map_by_code(fse->code);
>> - if (!vpix)
>> - return -EINVAL;
>> -
>> fse->min_width = VIMC_FRAME_MIN_WIDTH;
>> fse->max_width = VIMC_FRAME_MAX_WIDTH;
>> fse->min_height = VIMC_FRAME_MIN_HEIGHT;
>> @@ -117,14 +96,17 @@ static int vimc_sen_get_fmt(struct v4l2_subdev *sd,
>>
>> static void vimc_sen_tpg_s_format(struct vimc_sen_device *vsen)
>> {
>> - const struct vimc_pix_map *vpix =
>> - vimc_pix_map_by_code(vsen->mbus_format.code);
>> + u32 pixelformat = vsen->ved.stream->producer_pixfmt;
>> + const struct v4l2_format_info *pix_info;
>> +
>> + pix_info = v4l2_format_info(pixelformat);
>>
>> tpg_reset_source(&vsen->tpg, vsen->mbus_format.width,
>> vsen->mbus_format.height, vsen->mbus_format.field);
>> - tpg_s_bytesperline(&vsen->tpg, 0, vsen->mbus_format.width * vpix->bpp);
>> + tpg_s_bytesperline(&vsen->tpg, 0,
>> + vsen->mbus_format.width * pix_info->bpp[0]);
>> tpg_s_buf_height(&vsen->tpg, vsen->mbus_format.height);
>> - tpg_s_fourcc(&vsen->tpg, vpix->pixelformat);
>> + tpg_s_fourcc(&vsen->tpg, pixelformat);
>> /* TODO: add support for V4L2_FIELD_ALTERNATE */
>> tpg_s_field(&vsen->tpg, vsen->mbus_format.field, false);
>> tpg_s_colorspace(&vsen->tpg, vsen->mbus_format.colorspace);
>> @@ -135,13 +117,6 @@ static void vimc_sen_tpg_s_format(struct vimc_sen_device *vsen)
>>
>> static void vimc_sen_adjust_fmt(struct v4l2_mbus_framefmt *fmt)
>> {
>> - const struct vimc_pix_map *vpix;
>> -
>> - /* Only accept code in the pix map table */
>> - vpix = vimc_pix_map_by_code(fmt->code);
>> - if (!vpix)
>> - fmt->code = fmt_default.code;
>> -
>> fmt->width = clamp_t(u32, fmt->width, VIMC_FRAME_MIN_WIDTH,
>> VIMC_FRAME_MAX_WIDTH) & ~1;
>> fmt->height = clamp_t(u32, fmt->height, VIMC_FRAME_MIN_HEIGHT,
>> @@ -161,6 +136,9 @@ static int vimc_sen_set_fmt(struct v4l2_subdev *sd,
>> struct vimc_sen_device *vsen = v4l2_get_subdevdata(sd);
>> struct v4l2_mbus_framefmt *mf;
>>
>> + if (!vimc_mbus_code_supported(fmt->format.code))
>> + fmt->format.code = fmt_default.code;
>> +
>> if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
>> /* Do not change the format while stream is on */
>> if (vsen->frame)
>> @@ -193,7 +171,7 @@ static int vimc_sen_set_fmt(struct v4l2_subdev *sd,
>>
>> static const struct v4l2_subdev_pad_ops vimc_sen_pad_ops = {
>> .init_cfg = vimc_sen_init_cfg,
>> - .enum_mbus_code = vimc_sen_enum_mbus_code,
>> + .enum_mbus_code = vimc_enum_mbus_code,
>> .enum_frame_size = vimc_sen_enum_frame_size,
>> .get_fmt = vimc_sen_get_fmt,
>> .set_fmt = vimc_sen_set_fmt,
>> @@ -215,7 +193,8 @@ static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable)
>> container_of(sd, struct vimc_sen_device, sd);
>>
>> if (enable) {
>> - const struct vimc_pix_map *vpix;
>> + u32 pixelformat = vsen->ved.stream->producer_pixfmt;
>> + const struct v4l2_format_info *pix_info;
>> unsigned int frame_size;
>>
>> if (vsen->kthread_sen)
>> @@ -223,8 +202,8 @@ static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable)
>> return 0;
>>
>> /* Calculate the frame size */
>> - vpix = vimc_pix_map_by_code(vsen->mbus_format.code);
>> - frame_size = vsen->mbus_format.width * vpix->bpp *
>> + pix_info = v4l2_format_info(pixelformat);
>> + frame_size = vsen->mbus_format.width * pix_info->bpp[0] *
>> vsen->mbus_format.height;
>>
>> /*
>> diff --git a/drivers/media/platform/vimc/vimc-streamer.c b/drivers/media/platform/vimc/vimc-streamer.c
>> index 5a3bda62fbc8..c19093b6c787 100644
>> --- a/drivers/media/platform/vimc/vimc-streamer.c
>> +++ b/drivers/media/platform/vimc/vimc-streamer.c
>> @@ -52,6 +52,7 @@ static void vimc_streamer_pipeline_terminate(struct vimc_stream *stream)
>> while (stream->pipe_size) {
>> stream->pipe_size--;
>> ved = stream->ved_pipeline[stream->pipe_size];
>> + ved->stream = NULL;
>> stream->ved_pipeline[stream->pipe_size] = NULL;
>>
>> if (!is_media_entity_v4l2_subdev(ved->ent))
>> @@ -87,6 +88,7 @@ static int vimc_streamer_pipeline_init(struct vimc_stream *stream,
>> return -EINVAL;
>> }
>> stream->ved_pipeline[stream->pipe_size++] = ved;
>> + ved->stream = stream;
>>
>> if (is_media_entity_v4l2_subdev(ved->ent)) {
>> sd = media_entity_to_v4l2_subdev(ved->ent);
>> diff --git a/drivers/media/platform/vimc/vimc-streamer.h b/drivers/media/platform/vimc/vimc-streamer.h
>> index a7c5ac5ace4f..2b3667408794 100644
>> --- a/drivers/media/platform/vimc/vimc-streamer.h
>> +++ b/drivers/media/platform/vimc/vimc-streamer.h
>> @@ -25,6 +25,11 @@
>> * processed in the pipeline.
>> * @pipe_size: size of @ved_pipeline
>> * @kthread: thread that generates the frames of the stream.
>> + * @producer_pixfmt: the pixel format requested from the pipeline. This must
>> + * be set just before calling vimc_streamer_s_stream(ent, 1). This value is
>> + * propagated up to the source of the base image (usually a sensor node) and
>> + * can be modified by entities during s_stream callback to request a different
>> + * format from rest of the pipeline.
>> *
>> * When the user call stream_on in a video device, struct vimc_stream is
>> * used to keep track of all entities and subdevices that generates and
>> @@ -35,6 +40,7 @@ struct vimc_stream {
>> struct vimc_ent_device *ved_pipeline[VIMC_STREAMER_PIPELINE_MAX_SIZE];
>> unsigned int pipe_size;
>> struct task_struct *kthread;
>> + u32 producer_pixfmt;
>> };
>>
>> /**
>>
>
>
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