From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66B35C43331 for ; Thu, 26 Mar 2020 21:47:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E29F20719 for ; Thu, 26 Mar 2020 21:47:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=protonmail.com header.i=@protonmail.com header.b="j8KL9LpE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727708AbgCZVrw (ORCPT ); Thu, 26 Mar 2020 17:47:52 -0400 Received: from mail2.protonmail.ch ([185.70.40.22]:62835 "EHLO mail2.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727690AbgCZVrv (ORCPT ); Thu, 26 Mar 2020 17:47:51 -0400 Date: Thu, 26 Mar 2020 21:47:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=default; t=1585259269; bh=stiO+oTkSbgJ7M8OCyFbyLQ9cSx8/J3iNoaZP2si4Jo=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=j8KL9LpEIn8YVGKqH/1DOAKnTVihi/koB8j1fzf1Hi97SHN/dgpW1fhIfTv8qGl4j eMnWIMFBknj+RT9Y54/AlQCU+w2G9morsq5kBRZJdVGz38k9aLKOwJCsJPrBXruJX8 uzLGTijmXLg9eACPOQ2mwszHzcED7kz8ntDLmXH4= To: linux-media@vger.kernel.org From: =?UTF-8?Q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= Cc: Helen Koike , Shuah Khan , Mauro Carvalho Chehab , Hans Verkuil , linux-kernel@vger.kernel.org, lkcamp@lists.libreplanetbr.org Reply-To: =?UTF-8?Q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Change vimc_pix_map_list to allow multiple media bus codes to map to the same pixelformat, making it possible to add media bus codes for which there are no pixelformat. Signed-off-by: N=C3=ADcolas F. R. A. Prado --- Changes in v2: - Fix vimc_mbus_code_by_index not checking code array bounds - Fix array formatting - Rename variables - Change code array size - Add comment about vimc_mbus_code_by_index return value drivers/media/platform/vimc/vimc-common.c | 70 ++++++++++++++--------- drivers/media/platform/vimc/vimc-common.h | 11 +++- drivers/media/platform/vimc/vimc-scaler.c | 10 +++- drivers/media/platform/vimc/vimc-sensor.c | 6 +- 4 files changed, 65 insertions(+), 32 deletions(-) diff --git a/drivers/media/platform/vimc/vimc-common.c b/drivers/media/plat= form/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[] = =3D { =20 =09/* RGB formats */ =09{ -=09=09.code =3D MEDIA_BUS_FMT_BGR888_1X24, +=09=09.code =3D { MEDIA_BUS_FMT_BGR888_1X24 }, =09=09.pixelformat =3D V4L2_PIX_FMT_BGR24, =09=09.bpp =3D 3, =09=09.bayer =3D false, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_RGB888_1X24, +=09=09.code =3D { MEDIA_BUS_FMT_RGB888_1X24 }, =09=09.pixelformat =3D V4L2_PIX_FMT_RGB24, =09=09.bpp =3D 3, =09=09.bayer =3D false, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_ARGB8888_1X32, +=09=09.code =3D { MEDIA_BUS_FMT_ARGB8888_1X32 }, =09=09.pixelformat =3D V4L2_PIX_FMT_ARGB32, =09=09.bpp =3D 4, =09=09.bayer =3D false, @@ -39,49 +39,49 @@ static const struct vimc_pix_map vimc_pix_map_list[] = =3D { =20 =09/* Bayer formats */ =09{ -=09=09.code =3D MEDIA_BUS_FMT_SBGGR8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SBGGR8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SBGGR8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGBRG8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SGBRG8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGBRG8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGRBG8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SGRBG8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGRBG8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SRGGB8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SRGGB8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SRGGB8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SBGGR10_1X10, +=09=09.code =3D { MEDIA_BUS_FMT_SBGGR10_1X10 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SBGGR10, =09=09.bpp =3D 2, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGBRG10_1X10, +=09=09.code =3D { MEDIA_BUS_FMT_SGBRG10_1X10 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGBRG10, =09=09.bpp =3D 2, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGRBG10_1X10, +=09=09.code =3D { MEDIA_BUS_FMT_SGRBG10_1X10 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGRBG10, =09=09.bpp =3D 2, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SRGGB10_1X10, +=09=09.code =3D { MEDIA_BUS_FMT_SRGGB10_1X10 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SRGGB10, =09=09.bpp =3D 2, =09=09.bayer =3D true, @@ -89,25 +89,25 @@ static const struct vimc_pix_map vimc_pix_map_list[] = =3D { =20 =09/* 10bit raw bayer a-law compressed to 8 bits */ =09{ -=09=09.code =3D MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SBGGR10ALAW8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGBRG10ALAW8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGRBG10ALAW8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SRGGB10ALAW8, =09=09.bpp =3D 1, =09=09.bayer =3D true, @@ -115,49 +115,49 @@ static const struct vimc_pix_map vimc_pix_map_list[] = =3D { =20 =09/* 10bit raw bayer DPCM compressed to 8 bits */ =09{ -=09=09.code =3D MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SBGGR10DPCM8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGBRG10DPCM8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGRBG10DPCM8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8, +=09=09.code =3D { MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SRGGB10DPCM8, =09=09.bpp =3D 1, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SBGGR12_1X12, +=09=09.code =3D { MEDIA_BUS_FMT_SBGGR12_1X12 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SBGGR12, =09=09.bpp =3D 2, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGBRG12_1X12, +=09=09.code =3D { MEDIA_BUS_FMT_SGBRG12_1X12 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGBRG12, =09=09.bpp =3D 2, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SGRBG12_1X12, +=09=09.code =3D { MEDIA_BUS_FMT_SGRBG12_1X12 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SGRBG12, =09=09.bpp =3D 2, =09=09.bayer =3D true, =09}, =09{ -=09=09.code =3D MEDIA_BUS_FMT_SRGGB12_1X12, +=09=09.code =3D { MEDIA_BUS_FMT_SRGGB12_1X12 }, =09=09.pixelformat =3D V4L2_PIX_FMT_SRGGB12, =09=09.bpp =3D 2, =09=09.bayer =3D true, @@ -182,13 +182,31 @@ const struct vimc_pix_map *vimc_pix_map_by_index(unsi= gned int i) =09return &vimc_pix_map_list[i]; } =20 +const u32 vimc_mbus_code_by_index(unsigned int index) +{ +=09unsigned int i, j; + +=09for (i =3D 0; i < ARRAY_SIZE(vimc_pix_map_list); i++) { +=09=09for (j =3D 0; j < ARRAY_SIZE(vimc_pix_map_list[i].code); j++) { +=09=09=09if (vimc_pix_map_list[i].code[j]) { +=09=09=09=09if (!index) +=09=09=09=09=09return vimc_pix_map_list[i].code[j]; +=09=09=09=09index--; +=09=09=09} +=09=09} +=09} +=09return 0; +} + const struct vimc_pix_map *vimc_pix_map_by_code(u32 code) { -=09unsigned int i; +=09unsigned int i, j; =20 =09for (i =3D 0; i < ARRAY_SIZE(vimc_pix_map_list); i++) { -=09=09if (vimc_pix_map_list[i].code =3D=3D code) -=09=09=09return &vimc_pix_map_list[i]; +=09=09for (j =3D 0; j < ARRAY_SIZE(vimc_pix_map_list[i].code); j++) { +=09=09=09if (vimc_pix_map_list[i].code[j] =3D=3D code) +=09=09=09=09return &vimc_pix_map_list[i]; +=09=09} =09} =09return NULL; } diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/plat= form/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 {=09=09=09=09=09=09=09=09=09\ * V4L2_PIX_FMT_* fourcc pixelformat and its bytes per pixel (bpp) */ struct vimc_pix_map { -=09unsigned int code; +=09unsigned int code[1]; =09unsigned int bpp; =09u32 pixelformat; =09bool 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); =20 +/** + * vimc_mbus_code_by_index - get mbus code by its index + * + * @index:=09=09index 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/plat= form/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, =09=09=09=09 struct v4l2_subdev_pad_config *cfg, =09=09=09=09 struct v4l2_subdev_mbus_code_enum *code) { -=09const struct vimc_pix_map *vpix =3D vimc_pix_map_by_index(code->index); +=09const u32 mbus_code =3D vimc_mbus_code_by_index(code->index); +=09const struct vimc_pix_map *vpix; + +=09if (!mbus_code) +=09=09return -EINVAL; + +=09vpix =3D vimc_pix_map_by_code(mbus_code); =20 =09/* We don't support bayer format */ =09if (!vpix || vpix->bayer) =09=09return -EINVAL; =20 -=09code->code =3D vpix->code; +=09code->code =3D mbus_code; =20 =09return 0; } diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/plat= form/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, =09=09=09=09 struct v4l2_subdev_pad_config *cfg, =09=09=09=09 struct v4l2_subdev_mbus_code_enum *code) { -=09const struct vimc_pix_map *vpix =3D vimc_pix_map_by_index(code->index); +=09const u32 mbus_code =3D vimc_mbus_code_by_index(code->index); =20 -=09if (!vpix) +=09if (!mbus_code) =09=09return -EINVAL; =20 -=09code->code =3D vpix->code; +=09code->code =3D mbus_code; =20 =09return 0; } --=20 2.25.2