From patchwork Thu Aug 6 11:50:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dafna Hirschfeld X-Patchwork-Id: 256247 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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT 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 47BFBC433DF for ; Thu, 6 Aug 2020 17:28:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABDD222DCC for ; Thu, 6 Aug 2020 17:28:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727771AbgHFR2H (ORCPT ); Thu, 6 Aug 2020 13:28:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729164AbgHFRBZ (ORCPT ); Thu, 6 Aug 2020 13:01:25 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B007C06138D for ; Thu, 6 Aug 2020 04:50:44 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: dafna) with ESMTPSA id 7BBC8299453 From: Dafna Hirschfeld To: linux-media@vger.kernel.org Cc: dafna.hirschfeld@collabora.com, helen.koike@collabora.com, ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, mchehab@kernel.org, laurent.pinchart@ideasonboard.com, tfiga@chromium.org Subject: [PATCH v2 1/4] media: staging: rkisp1: replace 9 coeff* fields with a 3x3 array Date: Thu, 6 Aug 2020 13:50:30 +0200 Message-Id: <20200806115033.32475-2-dafna.hirschfeld@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200806115033.32475-1-dafna.hirschfeld@collabora.com> References: <20200806115033.32475-1-dafna.hirschfeld@collabora.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The struct rkisp1_cif_isp_ctk_config has 9 fields 'coeff*' for the 3x3 color correction matrix. Replace these fields with one 3x3 array coeff[3][3] and document the field. Signed-off-by: Dafna Hirschfeld Acked-by: Helen Koike --- drivers/staging/media/rkisp1/rkisp1-params.c | 15 ++++++--------- drivers/staging/media/rkisp1/uapi/rkisp1-config.h | 14 ++++---------- 2 files changed, 10 insertions(+), 19 deletions(-) diff --git a/drivers/staging/media/rkisp1/rkisp1-params.c b/drivers/staging/media/rkisp1/rkisp1-params.c index 797e79de659c..00b102eb67b6 100644 --- a/drivers/staging/media/rkisp1/rkisp1-params.c +++ b/drivers/staging/media/rkisp1/rkisp1-params.c @@ -402,15 +402,12 @@ static void rkisp1_goc_config(struct rkisp1_params *params, static void rkisp1_ctk_config(struct rkisp1_params *params, const struct rkisp1_cif_isp_ctk_config *arg) { - rkisp1_write(params->rkisp1, arg->coeff0, RKISP1_CIF_ISP_CT_COEFF_0); - rkisp1_write(params->rkisp1, arg->coeff1, RKISP1_CIF_ISP_CT_COEFF_1); - rkisp1_write(params->rkisp1, arg->coeff2, RKISP1_CIF_ISP_CT_COEFF_2); - rkisp1_write(params->rkisp1, arg->coeff3, RKISP1_CIF_ISP_CT_COEFF_3); - rkisp1_write(params->rkisp1, arg->coeff4, RKISP1_CIF_ISP_CT_COEFF_4); - rkisp1_write(params->rkisp1, arg->coeff5, RKISP1_CIF_ISP_CT_COEFF_5); - rkisp1_write(params->rkisp1, arg->coeff6, RKISP1_CIF_ISP_CT_COEFF_6); - rkisp1_write(params->rkisp1, arg->coeff7, RKISP1_CIF_ISP_CT_COEFF_7); - rkisp1_write(params->rkisp1, arg->coeff8, RKISP1_CIF_ISP_CT_COEFF_8); + unsigned int i, j, k = 0; + + for (i = 0; i < 3; i++) + for (j = 0; j < 3; j++) + rkisp1_write(params->rkisp1, arg->coeff[i][j], + RKISP1_CIF_ISP_CT_COEFF_0 + 4 * k++); rkisp1_write(params->rkisp1, arg->ct_offset_r, RKISP1_CIF_ISP_CT_OFFSET_R); rkisp1_write(params->rkisp1, arg->ct_offset_g, diff --git a/drivers/staging/media/rkisp1/uapi/rkisp1-config.h b/drivers/staging/media/rkisp1/uapi/rkisp1-config.h index 8f9b061e5b6b..790d56ac9310 100644 --- a/drivers/staging/media/rkisp1/uapi/rkisp1-config.h +++ b/drivers/staging/media/rkisp1/uapi/rkisp1-config.h @@ -417,19 +417,13 @@ struct rkisp1_cif_isp_bdm_config { /** * struct rkisp1_cif_isp_ctk_config - Configuration used by Cross Talk correction * - * @coeff: color correction matrix + * @coeff: color correction matrix. Values are 11-bit signed fixed-point numbers with 4 bit integer + * and 7 bit fractional part, ranging from -8 (0x400) to +7.992 (0x3FF). 0 is + * represented by 0x000 and a coefficient value of 1 as 0x080. * @ct_offset_b: offset for the crosstalk correction matrix */ struct rkisp1_cif_isp_ctk_config { - __u16 coeff0; - __u16 coeff1; - __u16 coeff2; - __u16 coeff3; - __u16 coeff4; - __u16 coeff5; - __u16 coeff6; - __u16 coeff7; - __u16 coeff8; + __u16 coeff[3][3]; __u16 ct_offset_r; __u16 ct_offset_g; __u16 ct_offset_b;