[v2,1/3] media: vimc: Support multiple media bus codes for each pixelformat

Message ID	20200326214730.2449707-2-nfraprado@protonmail.com
State	New
Headers	show Return-Path: <SRS0=KtNH=5L=vger.kernel.org=linux-media-owner@kernel.org> Date: Thu, 26 Mar 2020 21:47:45 +0000 To: linux-media@vger.kernel.org From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= <nfraprado@protonmail.com> Cc: Helen Koike <helen.koike@collabora.com>, Shuah Khan <skhan@linuxfoundation.org>, Mauro Carvalho Chehab <mchehab@kernel.org>, Hans Verkuil <hverkuil@xs4all.nl>, linux-kernel@vger.kernel.org, lkcamp@lists.libreplanetbr.org Reply-To: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= <nfraprado@protonmail.com> Subject: [PATCH v2 1/3] media: vimc: Support multiple media bus codes for each pixelformat Message-ID: <20200326214730.2449707-2-nfraprado@protonmail.com> In-Reply-To: <20200326214730.2449707-1-nfraprado@protonmail.com> References: <20200326214730.2449707-1-nfraprado@protonmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: linux-media-owner@vger.kernel.org Precedence: bulk
Series	[v2,1/3] media: vimc: Support multiple media bus codes for each pixelformat \| expand [v2,1/3] media: vimc: Support multiple media bus codes for each pixelformat [v2,2/3] media: vimc: Add missing {RGB,BGR,GBR}888 media bus codes

diff --git a/drivers/media/platform/vimc/vimc-common.c b/drivers/media/platform/vimc/vimc-common.c index c95c17c048f2..119846f3eaa5 100644 --- a/drivers/media/platform/vimc/vimc-common.c +++ b/drivers/media/platform/vimc/vimc-common.c @@ -19,19 +19,19 @@ static const struct vimc_pix_map vimc_pix_map_list[] = { /* RGB formats */ { - .code = MEDIA_BUS_FMT_BGR888_1X24, + .code = { MEDIA_BUS_FMT_BGR888_1X24 }, .pixelformat = V4L2_PIX_FMT_BGR24, .bpp = 3, .bayer = false, }, { - .code = MEDIA_BUS_FMT_RGB888_1X24, + .code = { MEDIA_BUS_FMT_RGB888_1X24 }, .pixelformat = V4L2_PIX_FMT_RGB24, .bpp = 3, .bayer = false, }, { - .code = MEDIA_BUS_FMT_ARGB8888_1X32, + .code = { MEDIA_BUS_FMT_ARGB8888_1X32 }, .pixelformat = V4L2_PIX_FMT_ARGB32, .bpp = 4, .bayer = false, @@ -39,49 +39,49 @@ static const struct vimc_pix_map vimc_pix_map_list[] = { /* Bayer formats */ { - .code = MEDIA_BUS_FMT_SBGGR8_1X8, + .code = { MEDIA_BUS_FMT_SBGGR8_1X8 }, .pixelformat = V4L2_PIX_FMT_SBGGR8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGBRG8_1X8, + .code = { MEDIA_BUS_FMT_SGBRG8_1X8 }, .pixelformat = V4L2_PIX_FMT_SGBRG8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGRBG8_1X8, + .code = { MEDIA_BUS_FMT_SGRBG8_1X8 }, .pixelformat = V4L2_PIX_FMT_SGRBG8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SRGGB8_1X8, + .code = { MEDIA_BUS_FMT_SRGGB8_1X8 }, .pixelformat = V4L2_PIX_FMT_SRGGB8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SBGGR10_1X10, + .code = { MEDIA_BUS_FMT_SBGGR10_1X10 }, .pixelformat = V4L2_PIX_FMT_SBGGR10, .bpp = 2, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGBRG10_1X10, + .code = { MEDIA_BUS_FMT_SGBRG10_1X10 }, .pixelformat = V4L2_PIX_FMT_SGBRG10, .bpp = 2, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGRBG10_1X10, + .code = { MEDIA_BUS_FMT_SGRBG10_1X10 }, .pixelformat = V4L2_PIX_FMT_SGRBG10, .bpp = 2, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SRGGB10_1X10, + .code = { MEDIA_BUS_FMT_SRGGB10_1X10 }, .pixelformat = V4L2_PIX_FMT_SRGGB10, .bpp = 2, .bayer = true, @@ -89,25 +89,25 @@ static const struct vimc_pix_map vimc_pix_map_list[] = { /* 10bit raw bayer a-law compressed to 8 bits */ { - .code = MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8, + .code = { MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8 }, .pixelformat = V4L2_PIX_FMT_SBGGR10ALAW8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8, + .code = { MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8 }, .pixelformat = V4L2_PIX_FMT_SGBRG10ALAW8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8, + .code = { MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8 }, .pixelformat = V4L2_PIX_FMT_SGRBG10ALAW8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8, + .code = { MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8 }, .pixelformat = V4L2_PIX_FMT_SRGGB10ALAW8, .bpp = 1, .bayer = true, @@ -115,49 +115,49 @@ static const struct vimc_pix_map vimc_pix_map_list[] = { /* 10bit raw bayer DPCM compressed to 8 bits */ { - .code = MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8, + .code = { MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8 }, .pixelformat = V4L2_PIX_FMT_SBGGR10DPCM8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8, + .code = { MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8 }, .pixelformat = V4L2_PIX_FMT_SGBRG10DPCM8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8, + .code = { MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8 }, .pixelformat = V4L2_PIX_FMT_SGRBG10DPCM8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8, + .code = { MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8 }, .pixelformat = V4L2_PIX_FMT_SRGGB10DPCM8, .bpp = 1, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SBGGR12_1X12, + .code = { MEDIA_BUS_FMT_SBGGR12_1X12 }, .pixelformat = V4L2_PIX_FMT_SBGGR12, .bpp = 2, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGBRG12_1X12, + .code = { MEDIA_BUS_FMT_SGBRG12_1X12 }, .pixelformat = V4L2_PIX_FMT_SGBRG12, .bpp = 2, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SGRBG12_1X12, + .code = { MEDIA_BUS_FMT_SGRBG12_1X12 }, .pixelformat = V4L2_PIX_FMT_SGRBG12, .bpp = 2, .bayer = true, }, { - .code = MEDIA_BUS_FMT_SRGGB12_1X12, + .code = { MEDIA_BUS_FMT_SRGGB12_1X12 }, .pixelformat = V4L2_PIX_FMT_SRGGB12, .bpp = 2, .bayer = true, @@ -182,13 +182,31 @@ const struct vimc_pix_map *vimc_pix_map_by_index(unsigned int i) return &vimc_pix_map_list[i]; } +const u32 vimc_mbus_code_by_index(unsigned int index) +{ + unsigned int i, j; + + for (i = 0; i < ARRAY_SIZE(vimc_pix_map_list); i++) { + for (j = 0; j < ARRAY_SIZE(vimc_pix_map_list[i].code); j++) { + if (vimc_pix_map_list[i].code[j]) { + if (!index) + return vimc_pix_map_list[i].code[j]; + index--; + } + } + } + return 0; +} + const struct vimc_pix_map *vimc_pix_map_by_code(u32 code) { - unsigned int i; + unsigned int i, j; 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]; + for (j = 0; j < ARRAY_SIZE(vimc_pix_map_list[i].code); j++) { + if (vimc_pix_map_list[i].code[j] == code) + return &vimc_pix_map_list[i]; + } } return NULL; } diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/platform/vimc/vimc-common.h index 616d5a6b0754..585441694c86 100644 --- a/drivers/media/platform/vimc/vimc-common.h +++ b/drivers/media/platform/vimc/vimc-common.h @@ -69,7 +69,7 @@ do { \ * V4L2_PIX_FMT_* fourcc pixelformat and its bytes per pixel (bpp) */ struct vimc_pix_map { - unsigned int code; + unsigned int code[1]; unsigned int bpp; u32 pixelformat; bool bayer; @@ -172,6 +172,15 @@ void vimc_sen_release(struct vimc_ent_device *ved); */ const struct vimc_pix_map *vimc_pix_map_by_index(unsigned int i); +/** + * vimc_mbus_code_by_index - get mbus code by its index + * + * @index: index of the mbus code in vimc_pix_map_list + * + * Returns 0 if no mbus code is found for the given index. + */ +const u32 vimc_mbus_code_by_index(unsigned int index); + /** * vimc_pix_map_by_code - get vimc_pix_map struct by media bus code * diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c index 7521439747c5..6bac1fa65a6f 100644 --- a/drivers/media/platform/vimc/vimc-scaler.c +++ b/drivers/media/platform/vimc/vimc-scaler.c @@ -110,13 +110,19 @@ 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); + const u32 mbus_code = vimc_mbus_code_by_index(code->index); + const struct vimc_pix_map *vpix; + + if (!mbus_code) + return -EINVAL; + + vpix = vimc_pix_map_by_code(mbus_code); /* We don't support bayer format */ if (!vpix || vpix->bayer) return -EINVAL; - code->code = vpix->code; + code->code = mbus_code; return 0; } diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c index 92daee58209e..b8bd430809c1 100644 --- a/drivers/media/platform/vimc/vimc-sensor.c +++ b/drivers/media/platform/vimc/vimc-sensor.c @@ -52,12 +52,12 @@ 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); + const u32 mbus_code = vimc_mbus_code_by_index(code->index); - if (!vpix) + if (!mbus_code) return -EINVAL; - code->code = vpix->code; + code->code = mbus_code; return 0; }

[v2,1/3] media: vimc: Support multiple media bus codes for each pixelformat

Commit Message

Patch