[{"id":30356,"web_url":"https://patchwork.libcamera.org/comment/30356/","msgid":"","date":"2024-07-05T13:36:28","subject":"Re: [PATCH v2 08/11] include: rkisp1: Update header for compand\n\tparameters","submitter":{"id":184,"url":"https://patchwork.libcamera.org/api/people/184/","name":"Stefan Klug","email":"stefan.klug@ideasonboard.com"},"content":"Hi Paul, hi Laurent,\n\nThank you for the patch.\n\nOn Thu, Jul 04, 2024 at 07:20:32PM +0300, Laurent Pinchart wrote:\n> From: Paul Elder \n> \n> Update the rkisp1-config.h header with the definitions for the\n> companding block, which use the extensible parameters format. The\n> changes come from the \"[PATCH v2 0/5] media: rkisp1: Add support for the\n> companding block\" series posted to the linux-media mailing list and\n> available at [1].\n> \n> [1] https://lore.kernel.org/all/20240704154932.6686-1-laurent.pinchart@ideasonboard.com/\n> \n> Signed-off-by: Paul Elder \n> Signed-off-by: Laurent Pinchart \n\nReviewed-by: Stefan Klug \n\nCheers,\nStefan\n\n\n> ---\n> include/linux/rkisp1-config.h | 89 ++++++++++++++++++++++++++++++++++-\n> 1 file changed, 88 insertions(+), 1 deletion(-)\n> \n> diff --git a/include/linux/rkisp1-config.h b/include/linux/rkisp1-config.h\n> index 2fe735943d02..848c7f72bc43 100644\n> --- a/include/linux/rkisp1-config.h\n> +++ b/include/linux/rkisp1-config.h\n> @@ -164,6 +164,11 @@\n> #define RKISP1_CIF_ISP_DPF_MAX_NLF_COEFFS 17\n> #define RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS 6\n> \n> +/*\n> + * Compand\n> + */\n> +#define RKISP1_CIF_ISP_COMPAND_NUM_POINTS\t64\n> +\n> /*\n> * Measurement types\n> */\n> @@ -851,6 +856,39 @@ struct rkisp1_params_cfg {\n> \tstruct rkisp1_cif_isp_isp_other_cfg others;\n> };\n> \n> +/**\n> + * struct rkisp1_cif_isp_compand_bls_config - Rockchip ISP1 Companding parameters (BLS)\n> + * @r: Fixed subtraction value for Bayer pattern R\n> + * @gr: Fixed subtraction value for Bayer pattern Gr\n> + * @gb: Fixed subtraction value for Bayer pattern Gb\n> + * @b: Fixed subtraction value for Bayer pattern B\n> + *\n> + * The values will be subtracted from the sensor values. Note that unlike the\n> + * dedicated BLS block, the BLS values in the compander are 20-bit unsigned.\n> + */\n> +struct rkisp1_cif_isp_compand_bls_config {\n> +\t__u32 r;\n> +\t__u32 gr;\n> +\t__u32 gb;\n> +\t__u32 b;\n> +};\n> +\n> +/**\n> + * struct rkisp1_cif_isp_compand_curve_config - Rockchip ISP1 Companding\n> + * parameters (expand and compression curves)\n> + * @px: Compand curve x-values. Each value stores the distance from the\n> + * previous x-value, expressed as log2 of the distance on 5 bits.\n> + * @x: Compand curve x-values. The functionality of these parameters are\n> + * unknown due to do a lack of hardware documentation, but these are left\n> + * here for future compatibility purposes.\n> + * @y: Compand curve y-values\n> + */\n> +struct rkisp1_cif_isp_compand_curve_config {\n> +\t__u8 px[RKISP1_CIF_ISP_COMPAND_NUM_POINTS];\n> +\t__u32 x[RKISP1_CIF_ISP_COMPAND_NUM_POINTS];\n> +\t__u32 y[RKISP1_CIF_ISP_COMPAND_NUM_POINTS];\n> +};\n> +\n> /*---------- PART2: Measurement Statistics ------------*/\n> \n> /**\n> @@ -1018,6 +1056,9 @@ struct rkisp1_stat_buffer {\n> * @RKISP1_EXT_PARAMS_BLOCK_TYPE_HST_MEAS: Histogram statistics\n> * @RKISP1_EXT_PARAMS_BLOCK_TYPE_AEC_MEAS: Auto exposure statistics\n> * @RKISP1_EXT_PARAMS_BLOCK_TYPE_AFC_MEAS: Auto-focus statistics\n> + * @RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_BLS: BLS in the compand block\n> + * @RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_EXPAND: Companding expand curve\n> + * @RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_COMPRESS: Companding compress curve\n> */\n> enum rkisp1_ext_params_block_type {\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_BLS,\n> @@ -1037,6 +1078,9 @@ enum rkisp1_ext_params_block_type {\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_HST_MEAS,\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_AEC_MEAS,\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_AFC_MEAS,\n> +\tRKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_BLS,\n> +\tRKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_EXPAND,\n> +\tRKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_COMPRESS,\n> };\n> \n> /**\n> @@ -1384,6 +1428,46 @@ struct rkisp1_ext_params_afc_config {\n> \tstruct rkisp1_cif_isp_afc_config config;\n> } __attribute__((aligned(8)));\n> \n> +/**\n> + * struct rkisp1_ext_params_compand_bls_config - RkISP1 extensible params\n> + * Compand BLS config\n> + *\n> + * RkISP1 extensible parameters Companding configuration block (black level\n> + * subtraction). Identified by :c:type:`RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_BLS`.\n> + *\n> + * @header: The RkISP1 extensible parameters header, see\n> + *\t :c:type:`rkisp1_ext_params_block_header`\n> + * @config: Companding BLS configuration, see\n> + *\t :c:type:`rkisp1_cif_isp_compand_bls_config`\n> + */\n> +struct rkisp1_ext_params_compand_bls_config {\n> +\tstruct rkisp1_ext_params_block_header header;\n> +\tstruct rkisp1_cif_isp_compand_bls_config config;\n> +} __attribute__((aligned(8)));\n> +\n> +/**\n> + * struct rkisp1_ext_params_compand_curve_config - RkISP1 extensible params\n> + * Compand curve config\n> + *\n> + * RkISP1 extensible parameters Companding configuration block (expand and\n> + * compression curves). Identified by\n> + * :c:type:`RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_EXPAND`or\n> + * :c:type:`RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_COMPRESS`.\n> + *\n> + * @header: The RkISP1 extensible parameters header, see\n> + *\t :c:type:`rkisp1_ext_params_block_header`\n> + * @config: Companding curve configuration, see\n> + *\t :c:type:`rkisp1_cif_isp_compand_curve_config`\n> + */\n> +struct rkisp1_ext_params_compand_curve_config {\n> +\tstruct rkisp1_ext_params_block_header header;\n> +\tstruct rkisp1_cif_isp_compand_curve_config config;\n> +} __attribute__((aligned(8)));\n> +\n> +/*\n> + * The rkisp1_ext_params_compand_curve_config structure is counted twice as it\n> + * is used for both the COMPAND_EXPAND and COMPAND_COMPRESS block types.\n> + */\n> #define RKISP1_EXT_PARAMS_MAX_SIZE\t\t\t\t\t\\\n> \t(sizeof(struct rkisp1_ext_params_bls_config)\t\t\t+\\\n> \tsizeof(struct rkisp1_ext_params_dpcc_config)\t\t\t+\\\n> @@ -1401,7 +1485,10 @@ struct rkisp1_ext_params_afc_config {\n> \tsizeof(struct rkisp1_ext_params_awb_meas_config)\t\t+\\\n> \tsizeof(struct rkisp1_ext_params_hst_config)\t\t\t+\\\n> \tsizeof(struct rkisp1_ext_params_aec_config)\t\t\t+\\\n> -\tsizeof(struct rkisp1_ext_params_afc_config))\n> +\tsizeof(struct rkisp1_ext_params_afc_config)\t\t\t+\\\n> +\tsizeof(struct rkisp1_ext_params_compand_bls_config)\t\t+\\\n> +\tsizeof(struct rkisp1_ext_params_compand_curve_config)\t\t+\\\n> +\tsizeof(struct rkisp1_ext_params_compand_curve_config))\n> \n> /**\n> * enum rksip1_ext_param_buffer_version - RkISP1 extensible parameters version\n> -- \n> Regards,\n> \n> Laurent Pinchart\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 52B14BD87C\n\tfor ;\n\tFri, 5 Jul 2024 13:36:35 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4746D62C99;\n\tFri, 5 Jul 2024 15:36:34 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A4FA9619BF\n\tfor ;\n\tFri, 5 Jul 2024 15:36:31 +0200 (CEST)","from ideasonboard.com (unknown\n\t[IPv6:2a00:6020:448c:6c00:60b6:33a3:3a20:6030])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id D43657F3;\n\tFri, 5 Jul 2024 15:36:01 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"gHLRxi8v\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1720186561;\n\tbh=NE3f44n8mNu14pwA00Ni2XUyM5RuplWEeLficDVTJnQ=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=gHLRxi8vT6I5h892tKvZ/AKn1w3I7ZFjqDZ2P0Y30hTfxJa9MgIGT2CSzlCsteF8S\n\tfIixhHmfoLovkP+trjp8+wtlpkPwiKbkQxv1SLKhwotcz/6FjMWG7Q2tfYDQUE4oRa\n\tEIbgyNmIb1VWKftg+4H693GhhS88QCa0tms0u5IY=","Date":"Fri, 5 Jul 2024 15:36:28 +0200","From":"Stefan Klug ","To":"Laurent Pinchart ","Cc":"libcamera-devel@lists.libcamera.org, \n\tJacopo Mondi ,\n\tPaul Elder ","Subject":"Re: [PATCH v2 08/11] include: rkisp1: Update header for compand\n\tparameters","Message-ID":"","References":"<20240704162035.15074-1-laurent.pinchart@ideasonboard.com>\n\t<20240704162035.15074-9-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20240704162035.15074-9-laurent.pinchart@ideasonboard.com>","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":30360,"web_url":"https://patchwork.libcamera.org/comment/30360/","msgid":"","date":"2024-07-05T14:29:35","subject":"Re: [PATCH v2 08/11] include: rkisp1: Update header for compand\n\tparameters","submitter":{"id":156,"url":"https://patchwork.libcamera.org/api/people/156/","name":"Dan Scally","email":"dan.scally@ideasonboard.com"},"content":"Hi Laurent, Paul\n\nOn 04/07/2024 17:20, Laurent Pinchart wrote:\n> From: Paul Elder \n>\n> Update the rkisp1-config.h header with the definitions for the\n> companding block, which use the extensible parameters format. The\n> changes come from the \"[PATCH v2 0/5] media: rkisp1: Add support for the\n> companding block\" series posted to the linux-media mailing list and\n> available at [1].\n>\n> [1] https://lore.kernel.org/all/20240704154932.6686-1-laurent.pinchart@ideasonboard.com/\n>\n> Signed-off-by: Paul Elder \n> Signed-off-by: Laurent Pinchart \n> ---\n\n\nLooks good to me:\n\n\nReviewed-by: Daniel Scally \n\n> include/linux/rkisp1-config.h | 89 ++++++++++++++++++++++++++++++++++-\n> 1 file changed, 88 insertions(+), 1 deletion(-)\n>\n> diff --git a/include/linux/rkisp1-config.h b/include/linux/rkisp1-config.h\n> index 2fe735943d02..848c7f72bc43 100644\n> --- a/include/linux/rkisp1-config.h\n> +++ b/include/linux/rkisp1-config.h\n> @@ -164,6 +164,11 @@\n> #define RKISP1_CIF_ISP_DPF_MAX_NLF_COEFFS 17\n> #define RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS 6\n> \n> +/*\n> + * Compand\n> + */\n> +#define RKISP1_CIF_ISP_COMPAND_NUM_POINTS\t64\n> +\n> /*\n> * Measurement types\n> */\n> @@ -851,6 +856,39 @@ struct rkisp1_params_cfg {\n> \tstruct rkisp1_cif_isp_isp_other_cfg others;\n> };\n> \n> +/**\n> + * struct rkisp1_cif_isp_compand_bls_config - Rockchip ISP1 Companding parameters (BLS)\n> + * @r: Fixed subtraction value for Bayer pattern R\n> + * @gr: Fixed subtraction value for Bayer pattern Gr\n> + * @gb: Fixed subtraction value for Bayer pattern Gb\n> + * @b: Fixed subtraction value for Bayer pattern B\n> + *\n> + * The values will be subtracted from the sensor values. Note that unlike the\n> + * dedicated BLS block, the BLS values in the compander are 20-bit unsigned.\n> + */\n> +struct rkisp1_cif_isp_compand_bls_config {\n> +\t__u32 r;\n> +\t__u32 gr;\n> +\t__u32 gb;\n> +\t__u32 b;\n> +};\n> +\n> +/**\n> + * struct rkisp1_cif_isp_compand_curve_config - Rockchip ISP1 Companding\n> + * parameters (expand and compression curves)\n> + * @px: Compand curve x-values. Each value stores the distance from the\n> + * previous x-value, expressed as log2 of the distance on 5 bits.\n> + * @x: Compand curve x-values. The functionality of these parameters are\n> + * unknown due to do a lack of hardware documentation, but these are left\n> + * here for future compatibility purposes.\n> + * @y: Compand curve y-values\n> + */\n> +struct rkisp1_cif_isp_compand_curve_config {\n> +\t__u8 px[RKISP1_CIF_ISP_COMPAND_NUM_POINTS];\n> +\t__u32 x[RKISP1_CIF_ISP_COMPAND_NUM_POINTS];\n> +\t__u32 y[RKISP1_CIF_ISP_COMPAND_NUM_POINTS];\n> +};\n> +\n> /*---------- PART2: Measurement Statistics ------------*/\n> \n> /**\n> @@ -1018,6 +1056,9 @@ struct rkisp1_stat_buffer {\n> * @RKISP1_EXT_PARAMS_BLOCK_TYPE_HST_MEAS: Histogram statistics\n> * @RKISP1_EXT_PARAMS_BLOCK_TYPE_AEC_MEAS: Auto exposure statistics\n> * @RKISP1_EXT_PARAMS_BLOCK_TYPE_AFC_MEAS: Auto-focus statistics\n> + * @RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_BLS: BLS in the compand block\n> + * @RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_EXPAND: Companding expand curve\n> + * @RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_COMPRESS: Companding compress curve\n> */\n> enum rkisp1_ext_params_block_type {\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_BLS,\n> @@ -1037,6 +1078,9 @@ enum rkisp1_ext_params_block_type {\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_HST_MEAS,\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_AEC_MEAS,\n> \tRKISP1_EXT_PARAMS_BLOCK_TYPE_AFC_MEAS,\n> +\tRKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_BLS,\n> +\tRKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_EXPAND,\n> +\tRKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_COMPRESS,\n> };\n> \n> /**\n> @@ -1384,6 +1428,46 @@ struct rkisp1_ext_params_afc_config {\n> \tstruct rkisp1_cif_isp_afc_config config;\n> } __attribute__((aligned(8)));\n> \n> +/**\n> + * struct rkisp1_ext_params_compand_bls_config - RkISP1 extensible params\n> + * Compand BLS config\n> + *\n> + * RkISP1 extensible parameters Companding configuration block (black level\n> + * subtraction). Identified by :c:type:`RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_BLS`.\n> + *\n> + * @header: The RkISP1 extensible parameters header, see\n> + *\t :c:type:`rkisp1_ext_params_block_header`\n> + * @config: Companding BLS configuration, see\n> + *\t :c:type:`rkisp1_cif_isp_compand_bls_config`\n> + */\n> +struct rkisp1_ext_params_compand_bls_config {\n> +\tstruct rkisp1_ext_params_block_header header;\n> +\tstruct rkisp1_cif_isp_compand_bls_config config;\n> +} __attribute__((aligned(8)));\n> +\n> +/**\n> + * struct rkisp1_ext_params_compand_curve_config - RkISP1 extensible params\n> + * Compand curve config\n> + *\n> + * RkISP1 extensible parameters Companding configuration block (expand and\n> + * compression curves). Identified by\n> + * :c:type:`RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_EXPAND`or\n> + * :c:type:`RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_COMPRESS`.\n> + *\n> + * @header: The RkISP1 extensible parameters header, see\n> + *\t :c:type:`rkisp1_ext_params_block_header`\n> + * @config: Companding curve configuration, see\n> + *\t :c:type:`rkisp1_cif_isp_compand_curve_config`\n> + */\n> +struct rkisp1_ext_params_compand_curve_config {\n> +\tstruct rkisp1_ext_params_block_header header;\n> +\tstruct rkisp1_cif_isp_compand_curve_config config;\n> +} __attribute__((aligned(8)));\n> +\n> +/*\n> + * The rkisp1_ext_params_compand_curve_config structure is counted twice as it\n> + * is used for both the COMPAND_EXPAND and COMPAND_COMPRESS block types.\n> + */\n> #define RKISP1_EXT_PARAMS_MAX_SIZE\t\t\t\t\t\\\n> \t(sizeof(struct rkisp1_ext_params_bls_config)\t\t\t+\\\n> \tsizeof(struct rkisp1_ext_params_dpcc_config)\t\t\t+\\\n> @@ -1401,7 +1485,10 @@ struct rkisp1_ext_params_afc_config {\n> \tsizeof(struct rkisp1_ext_params_awb_meas_config)\t\t+\\\n> \tsizeof(struct rkisp1_ext_params_hst_config)\t\t\t+\\\n> \tsizeof(struct rkisp1_ext_params_aec_config)\t\t\t+\\\n> -\tsizeof(struct rkisp1_ext_params_afc_config))\n> +\tsizeof(struct rkisp1_ext_params_afc_config)\t\t\t+\\\n> +\tsizeof(struct rkisp1_ext_params_compand_bls_config)\t\t+\\\n> +\tsizeof(struct rkisp1_ext_params_compand_curve_config)\t\t+\\\n> +\tsizeof(struct rkisp1_ext_params_compand_curve_config))\n> \n> /**\n> * enum rksip1_ext_param_buffer_version - RkISP1 extensible parameters version","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id EC311BEFBE\n\tfor ;\n\tFri, 5 Jul 2024 14:29:41 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C42AD619C7;\n\tFri, 5 Jul 2024 16:29:40 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 63EDB619BF\n\tfor ;\n\tFri, 5 Jul 2024 16:29:38 +0200 (CEST)","from [192.168.0.43]\n\t(cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id A35DC4CC\n\tfor ;\n\tFri, 5 Jul 2024 16:29:08 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"KzHjhgPA\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1720189748;\n\tbh=LMnfriGYIm255KgHiATCnaMrMmZeDo3077Qk6qhAQ4U=;\n\th=Date:Subject:To:References:From:In-Reply-To:From;\n\tb=KzHjhgPAXXeoiabloeBxAcAKilSx1Pfb01zKgX+5DSb4ZRW+0aDQUZbqeG72zow3m\n\twy2TT5VmrIuN6/DlvGZ4YqpTG4g1i7jl9qlFR4yDmPhp3EenDx+CYzOLCjtjmzlUez\n\tcx+ulkrpCayW3Iukm6CLHq6KOJeOBMNlc9GoOj6E=","Message-ID":"","Date":"Fri, 5 Jul 2024 15:29:35 +0100","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v2 08/11] include: rkisp1: Update header for compand\n\tparameters","To":"libcamera-devel@lists.libcamera.org","References":"<20240704162035.15074-1-laurent.pinchart@ideasonboard.com>\n\t<20240704162035.15074-9-laurent.pinchart@ideasonboard.com>","Content-Language":"en-US","From":"Dan Scally ","Autocrypt":"addr=dan.scally@ideasonboard.com; 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