From patchwork Wed Jul 24 08:49:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 13740686 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1EF514E2CC for ; Wed, 24 Jul 2024 08:50:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721811048; cv=none; b=bWlTNJ4zeTHYZ4Am/xz2WkC361zXxPqvevpV4xmG4PoSmx4sK59wXMr9tjgBRNUSj7GDKmkxLlZUdUefdM3fT8SfAdwRt6uQYFYv3744DtoZZGp+7ISsUfMtH2mLJc1Yh7HWUCQCAhrvOM7M6b7QE2fzM1Y1Gw+nYLaHcUpDpJs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721811048; c=relaxed/simple; bh=XOZl/+nTuJyzZmPRxKl6ffK65xQ5aUNQfLA+3jdDc0w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oGOqXa1I6EYQ1p1tgNfRbHTKu6+DG0vCvZZsLAku8cv0D36XuazFmz3Cc3CQGLYYQ7FsTJDoiXzClEeyVbUFim5QrKnrGD9/WZdKPTmILu9rsa4CryibqKlQ/Cw9ASZbBnExxEEdp9gYbXniDNRtyMd4CwG3MSqQTLbLFEh3mTM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=qyCLuDZf; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="qyCLuDZf" Received: from localhost.localdomain (unknown [IPv6:2001:b07:5d2e:52c9:24bf:30c5:c4f3:c9fe]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D19BF1E91; Wed, 24 Jul 2024 10:49:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1721810993; bh=XOZl/+nTuJyzZmPRxKl6ffK65xQ5aUNQfLA+3jdDc0w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qyCLuDZfNSlw85fOVDyAinCK3CjsHum9grX5+2UmQ2Yps2qtSpxQHl3LHQDqR/v+t cfF0XEV15k9maAKA7JTPS3DTpgfLi5t5ucP4bY6kQjVnCndO0xQL0gAOr+AEY+ha+l jPNxKQlDfslrfIOn3RPd9I+ImINanDj9VNA0DCrI= From: Jacopo Mondi To: Linux Media Mailing List Cc: Jacopo Mondi , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Stefan Klug , Paul Elder , Daniel Scally , Kieran Bingham , Umang Jain , Dafna Hirschfeld , Mauro Carvalho Chehab , Heiko Stuebner Subject: [PATCH v7 08/12] media: rkisp1: Add helper function to swap colour channels Date: Wed, 24 Jul 2024 10:49:59 +0200 Message-ID: <20240724085004.82694-9-jacopo.mondi@ideasonboard.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240724085004.82694-1-jacopo.mondi@ideasonboard.com> References: <20240724085004.82694-1-jacopo.mondi@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Laurent Pinchart The BLS parameters passed by userspace are specified for named colour channels (R, Gr, Gb and B), while the hardware registers reference positions in the 2x2 CFA pattern (A, B, C and D). The BLS values are swapped based on the CFA pattern when writing to or reading from registers, using hand-roled switch statements. The logic is duplicated already, and new code will require similar processing. Move the swap logic to a shared function, using static data to control the channels order. Signed-off-by: Laurent Pinchart Reviewed-by: Jacopo Mondi Reviewed-by: Paul Elder Signed-off-by: Jacopo Mondi --- .../platform/rockchip/rkisp1/rkisp1-common.c | 14 +++++ .../platform/rockchip/rkisp1/rkisp1-common.h | 3 + .../platform/rockchip/rkisp1/rkisp1-params.c | 62 +++++-------------- .../platform/rockchip/rkisp1/rkisp1-stats.c | 51 +++++---------- 4 files changed, 45 insertions(+), 85 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c index f956b90a407a..60c97bb7b18b 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c @@ -178,3 +178,17 @@ void rkisp1_sd_adjust_crop(struct v4l2_rect *crop, rkisp1_sd_adjust_crop_rect(crop, &crop_bounds); } + +void rkisp1_bls_swap_regs(enum rkisp1_fmt_raw_pat_type pattern, + const u32 input[4], u32 output[4]) +{ + static const unsigned int swap[4][4] = { + [RKISP1_RAW_RGGB] = { 0, 1, 2, 3 }, + [RKISP1_RAW_GRBG] = { 1, 0, 3, 2 }, + [RKISP1_RAW_GBRG] = { 2, 3, 0, 1 }, + [RKISP1_RAW_BGGR] = { 3, 2, 1, 0 }, + }; + + for (unsigned int i = 0; i < 4; ++i) + output[i] = input[swap[pattern][i]]; +} diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index 2f4bf7e97927..6fbc69128b55 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h @@ -598,6 +598,9 @@ void rkisp1_sd_adjust_crop_rect(struct v4l2_rect *crop, void rkisp1_sd_adjust_crop(struct v4l2_rect *crop, const struct v4l2_mbus_framefmt *bounds); +void rkisp1_bls_swap_regs(enum rkisp1_fmt_raw_pat_type pattern, + const u32 input[4], u32 output[4]); + /* * rkisp1_mbus_info_get_by_code - get the isp info of the media bus code * diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c index d0e3974a8098..ca24ed858448 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c @@ -165,54 +165,20 @@ static void rkisp1_bls_config(struct rkisp1_params *params, new_control &= RKISP1_CIF_ISP_BLS_ENA; /* fixed subtraction values */ if (!arg->enable_auto) { - const struct rkisp1_cif_isp_bls_fixed_val *pval = - &arg->fixed_val; - - switch (params->raw_type) { - case RKISP1_RAW_BGGR: - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED, - pval->r); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED, - pval->gr); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED, - pval->gb); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED, - pval->b); - break; - case RKISP1_RAW_GBRG: - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED, - pval->r); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED, - pval->gr); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED, - pval->gb); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED, - pval->b); - break; - case RKISP1_RAW_GRBG: - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED, - pval->r); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED, - pval->gr); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED, - pval->gb); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED, - pval->b); - break; - case RKISP1_RAW_RGGB: - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED, - pval->r); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED, - pval->gr); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED, - pval->gb); - rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED, - pval->b); - break; - default: - break; - } - + static const u32 regs[] = { + RKISP1_CIF_ISP_BLS_A_FIXED, + RKISP1_CIF_ISP_BLS_B_FIXED, + RKISP1_CIF_ISP_BLS_C_FIXED, + RKISP1_CIF_ISP_BLS_D_FIXED, + }; + u32 swapped[4]; + + rkisp1_bls_swap_regs(params->raw_type, regs, swapped); + + rkisp1_write(params->rkisp1, swapped[0], arg->fixed_val.r); + rkisp1_write(params->rkisp1, swapped[1], arg->fixed_val.gr); + rkisp1_write(params->rkisp1, swapped[2], arg->fixed_val.gb); + rkisp1_write(params->rkisp1, swapped[3], arg->fixed_val.b); } else { if (arg->en_windows & BIT(1)) { rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_H2_START, diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c index 2795eef91bdd..a502719e916a 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c @@ -304,48 +304,25 @@ static void rkisp1_stats_get_hst_meas_v12(struct rkisp1_stats *stats, static void rkisp1_stats_get_bls_meas(struct rkisp1_stats *stats, struct rkisp1_stat_buffer *pbuf) { + static const u32 regs[] = { + RKISP1_CIF_ISP_BLS_A_MEASURED, + RKISP1_CIF_ISP_BLS_B_MEASURED, + RKISP1_CIF_ISP_BLS_C_MEASURED, + RKISP1_CIF_ISP_BLS_D_MEASURED, + }; struct rkisp1_device *rkisp1 = stats->rkisp1; const struct rkisp1_mbus_info *in_fmt = rkisp1->isp.sink_fmt; struct rkisp1_cif_isp_bls_meas_val *bls_val; + u32 swapped[4]; + + rkisp1_bls_swap_regs(in_fmt->bayer_pat, regs, swapped); bls_val = &pbuf->params.ae.bls_val; - if (in_fmt->bayer_pat == RKISP1_RAW_BGGR) { - bls_val->meas_b = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED); - bls_val->meas_gb = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED); - bls_val->meas_gr = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED); - bls_val->meas_r = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED); - } else if (in_fmt->bayer_pat == RKISP1_RAW_GBRG) { - bls_val->meas_gb = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED); - bls_val->meas_b = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED); - bls_val->meas_r = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED); - bls_val->meas_gr = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED); - } else if (in_fmt->bayer_pat == RKISP1_RAW_GRBG) { - bls_val->meas_gr = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED); - bls_val->meas_r = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED); - bls_val->meas_b = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED); - bls_val->meas_gb = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED); - } else if (in_fmt->bayer_pat == RKISP1_RAW_RGGB) { - bls_val->meas_r = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED); - bls_val->meas_gr = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED); - bls_val->meas_gb = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED); - bls_val->meas_b = - rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED); - } + + bls_val->meas_r = rkisp1_read(rkisp1, swapped[0]); + bls_val->meas_gr = rkisp1_read(rkisp1, swapped[1]); + bls_val->meas_gb = rkisp1_read(rkisp1, swapped[2]); + bls_val->meas_b = rkisp1_read(rkisp1, swapped[3]); } static const struct rkisp1_stats_ops rkisp1_v10_stats_ops = {