From patchwork Tue Apr 13 10:57:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 420470 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 CE7F7C433B4 for ; Tue, 13 Apr 2021 11:03:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4D8C61249 for ; Tue, 13 Apr 2021 11:03:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345062AbhDMLDe (ORCPT ); Tue, 13 Apr 2021 07:03:34 -0400 Received: from esa.microchip.iphmx.com ([68.232.154.123]:64818 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345023AbhDMLDc (ORCPT ); Tue, 13 Apr 2021 07:03:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1618311793; x=1649847793; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=S/0vz3mGicfYvuOuMvfCW2wMt7bft/DcBJ9lakhWmfk=; b=e1/oB+lt4CjQcIybvzxiaMpgMdT+sY93MjO5wE0pQ1E5ceXPD8K3x6sm 7SVS2asBTVGW0aqOWR60ThdVtmI92/qc5S9ByBZni33MQGDt1m+3z0ICL Eg/bJMFCeCfA1ZEObDxpHqNth6PfpRv3TN/cVWNV6yS/nqmWzumiwHrtx dkmTwG7L3mE8KDcxqVFJeYyeanvgnjFDsBXzOeicd4Tf9SLg0u68IOUEE jNLiNC0bSpS8kkTEtj/Cw/RwkC/ydSiVPKp1zncRFKhVhF70U+ZhPHGMa enkPVNnftgxOVfnReuz+qEfX8cFLO1C4Fa9b0ckwxvWaLXnmZJTm5g3XZ w==; IronPort-SDR: tOUsfNrL8nur/PWdsruQbQrV+6fVa0OgXwzhZQKj2zMXXhBY+NG6OYxJVuyglyEkpvs4U5zn8H 58LzKTk1XYEYobIIJzu77GD17K4snoSyrhTMqO9otkK02zt5ci/Ftamt/iFbIqFxoKSJluFzs5 fVWtY2hKwT3GZ7SxvhiSu6oRq6od0ToNVOdsK0mLYWzs5NXw7M841PAm2JXpgfXp4lN6D2G1Na 5owpf9khQln08lIkaCxCg+JylEaD35lLthwyzsVb0ZXj+nvNOL8dpm4TyemLEuaioYAllj8Ipd R9E= X-IronPort-AV: E=Sophos;i="5.82,219,1613458800"; d="scan'208";a="113386328" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 13 Apr 2021 04:03:12 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Tue, 13 Apr 2021 04:03:11 -0700 Received: from ROB-ULT-M18282.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Tue, 13 Apr 2021 04:03:06 -0700 From: Eugen Hristev To: , , , CC: , , Eugen Hristev Subject: [PATCH v3 23/33] media: atmel: atmel-isc: create callback for RLP submodule product specific Date: Tue, 13 Apr 2021 13:57:21 +0300 Message-ID: <20210413105731.610028-24-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210413105731.610028-1-eugen.hristev@microchip.com> References: <20210413105731.610028-1-eugen.hristev@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The RLP submodule is a part of the atmel-isc pipeline, and stands for Rounding,Limiting and Packaging. It used to extract specific data from the ISC pipeline. For example if we want to output greyscale 8 bit, we would use limiting to 8 bits, and packaging to Luma component only. Create a product specific callback for initializing the RLP submodule of the pipeline Signed-off-by: Eugen Hristev --- Changes in v3: - added module description in commit message Changes in v2: - addded function prototype to avoid warning with W=1 drivers/media/platform/atmel/atmel-isc-base.c | 6 ++---- drivers/media/platform/atmel/atmel-isc.h | 3 +++ drivers/media/platform/atmel/atmel-sama5d2-isc.c | 11 +++++++++++ 3 files changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c index bd24e0c99613..8422df41f083 100644 --- a/drivers/media/platform/atmel/atmel-isc-base.c +++ b/drivers/media/platform/atmel/atmel-isc-base.c @@ -711,11 +711,10 @@ static void isc_set_histogram(struct isc_device *isc, bool enable) static int isc_configure(struct isc_device *isc) { struct regmap *regmap = isc->regmap; - u32 pfe_cfg0, rlp_mode, dcfg, mask, pipeline; + u32 pfe_cfg0, dcfg, mask, pipeline; struct isc_subdev_entity *subdev = isc->current_subdev; pfe_cfg0 = isc->config.sd_format->pfe_cfg0_bps; - rlp_mode = isc->config.rlp_cfg_mode; pipeline = isc->config.bits_pipeline; dcfg = isc->config.dcfg_imode | isc->dcfg; @@ -728,8 +727,7 @@ static int isc_configure(struct isc_device *isc) regmap_update_bits(regmap, ISC_PFE_CFG0, mask, pfe_cfg0); - regmap_update_bits(regmap, ISC_RLP_CFG + isc->offsets.rlp, - ISC_RLP_CFG_MODE_MASK, rlp_mode); + isc->config_rlp(isc); regmap_write(regmap, ISC_DCFG + isc->offsets.dma, dcfg); diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h index 1e6988f1876e..abeef7b2ab27 100644 --- a/drivers/media/platform/atmel/atmel-isc.h +++ b/drivers/media/platform/atmel/atmel-isc.h @@ -231,6 +231,8 @@ struct isc_reg_offsets { * specific CC module * @config_gam: pointer to a function that initializes product * specific GAMMA module + * @config_rlp: pointer to a function that initializes product + * specific RLP module * @config_ctrls: pointer to a functoin that initializes product * specific v4l2 controls. * @@ -309,6 +311,7 @@ struct isc_device { void (*config_cbc)(struct isc_device *isc); void (*config_cc)(struct isc_device *isc); void (*config_gam)(struct isc_device *isc); + void (*config_rlp)(struct isc_device *isc); void (*config_ctrls)(struct isc_device *isc, const struct v4l2_ctrl_ops *ops); diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c index df26941af64b..855027821fba 100644 --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c @@ -59,6 +59,7 @@ void isc_sama5d2_config_cbc(struct isc_device *isc); void isc_sama5d2_config_cc(struct isc_device *isc); void isc_sama5d2_config_dpc(struct isc_device *isc); void isc_sama5d2_config_gam(struct isc_device *isc); +void isc_sama5d2_config_rlp(struct isc_device *isc); void isc_sama5d2_config_ctrls(struct isc_device *isc, const struct v4l2_ctrl_ops *ops); @@ -126,6 +127,15 @@ void isc_sama5d2_config_gam(struct isc_device *isc) /* No specific gamma configuration */ } +void isc_sama5d2_config_rlp(struct isc_device *isc) +{ + struct regmap *regmap = isc->regmap; + u32 rlp_mode = isc->config.rlp_cfg_mode; + + regmap_update_bits(regmap, ISC_RLP_CFG + isc->offsets.rlp, + ISC_RLP_CFG_MODE_MASK, rlp_mode); +} + /* Gamma table with gamma 1/2.2 */ const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = { /* 0 --> gamma 1/1.8 */ @@ -276,6 +286,7 @@ static int atmel_isc_probe(struct platform_device *pdev) isc->config_cbc = isc_sama5d2_config_cbc; isc->config_cc = isc_sama5d2_config_cc; isc->config_gam = isc_sama5d2_config_gam; + isc->config_rlp = isc_sama5d2_config_rlp; isc->config_ctrls = isc_sama5d2_config_ctrls; isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;