From patchwork Sat Feb 5 18:53:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 12736387 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 81757C433F5 for ; Sat, 5 Feb 2022 19:25:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pR60kj9jW1uaM+scv4wOdjqp0SakO+7BSxuIeBC5GaI=; b=K18Qoqps6P1Uml dwi+hs6iJqmC23s3bkgMx1Eu1iKLL+6ptQz9BiCstBoMTQ2H20F1QClxPrOBctRm0g/+7QOPfyXtk +EesV/ySJ7vOgPugG3DS0QGYtGqDMHP9Y+OgrAwMaQTaCESPQumKvbMpEYRNet4xUKH2kYc6oWwF0 uNoubf8kmd5qAMopcNF4sKHzZ/AY3VuzT0v7lHQwMhUdLSmPvE1G5NVxas8F+D+7fWqXtkLlRXBCX yXMZokLQq37DAwWkc5rN50IpOcl62LNVkf/TiuXSKo30WZ+8mN9doGkLEVA5J5EZ3wk8swgWEt+mg T0OzJQ4s+JaHV6kEXSGQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nGQga-007CgQ-AQ; Sat, 05 Feb 2022 19:25:28 +0000 Received: from relay10.mail.gandi.net ([2001:4b98:dc4:8::230]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nGQDl-006zqQ-QY; Sat, 05 Feb 2022 18:55:52 +0000 Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 78310240009; Sat, 5 Feb 2022 18:55:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1644087340; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EjzQGEu5uZtLWAl3LnvoaNwDma9Ro0WnTNllST1NPGE=; b=erisk26vtUM6RR1kyunZtADoxA0lzgjmtSN9ua+gkPoyZp38DFryUdFtM+n/UrCx4WXVyV OWRsYOauSvj0GFalibRWCeaRnQFtoXxBnTR6ZvzrnzBPTGr1sZWn5Rj+3i4j6mb5O46gtE es5TesTFloMSWAS415dIfLtIzWmqlgtPcQCU2wdNX4Nd9bPZREZf7cPIhOJsApzkOpaxP0 joCcHwnJdc1K3plQD56TlQrhYPGe7+6T0elaleoZmD/L4qNxI6gl6zEuECYLilsCzLyAWk 6IIyjhZhJWcBeMaLIU4nzRk5Lgua8qr+BYF5WX8py49uvD0Z0CvoeKowfZDbOw== From: Paul Kocialkowski To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-clk@vger.kernel.org, linux-staging@lists.linux.dev Cc: Yong Deng , Mauro Carvalho Chehab , Rob Herring , Maxime Ripard , Sakari Ailus , Hans Verkuil , Chen-Yu Tsai , Jernej Skrabec , Paul Kocialkowski , Greg Kroah-Hartman , Helen Koike , Laurent Pinchart , Thomas Petazzoni Subject: [PATCH v2 35/66] media: sun6i-csi: Implement address configuration without indirection Date: Sat, 5 Feb 2022 19:53:58 +0100 Message-Id: <20220205185429.2278860-36-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220205185429.2278860-1-paul.kocialkowski@bootlin.com> References: <20220205185429.2278860-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220205_105542_237772_124E2AB4 X-CRM114-Status: GOOD ( 18.46 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Instead of calculating the planar_offset at one point and using it later in a dedicated function, reimplement address configuration with v4l2 format info in the buffer_configure function. Signed-off-by: Paul Kocialkowski --- .../platform/sunxi/sun6i-csi/sun6i_csi.c | 27 ---------------- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 10 ------ .../sunxi/sun6i-csi/sun6i_csi_capture.c | 32 ++++++++++++++++++- 3 files changed, 31 insertions(+), 38 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c index ee2d4df50481..5314497ad681 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c @@ -463,7 +463,6 @@ static void sun6i_csi_set_window(struct sun6i_csi_device *csi_dev) struct sun6i_csi_config *config = &csi_dev->config; u32 bytesperline_y; u32 bytesperline_c; - int *planar_offset = csi_dev->planar_offset; u32 width = config->width; u32 height = config->height; u32 hor_len = width; @@ -488,7 +487,6 @@ static void sun6i_csi_set_window(struct sun6i_csi_device *csi_dev) SUN6I_CSI_CH_VSIZE_LEN(height) | SUN6I_CSI_CH_VSIZE_START(0)); - planar_offset[0] = 0; switch (config->pixelformat) { case V4L2_PIX_FMT_NV12_16L16: case V4L2_PIX_FMT_NV12: @@ -497,23 +495,15 @@ static void sun6i_csi_set_window(struct sun6i_csi_device *csi_dev) case V4L2_PIX_FMT_NV61: bytesperline_y = width; bytesperline_c = width; - planar_offset[1] = bytesperline_y * height; - planar_offset[2] = -1; break; case V4L2_PIX_FMT_YUV420: case V4L2_PIX_FMT_YVU420: bytesperline_y = width; bytesperline_c = width / 2; - planar_offset[1] = bytesperline_y * height; - planar_offset[2] = planar_offset[1] + - bytesperline_c * height / 2; break; case V4L2_PIX_FMT_YUV422P: bytesperline_y = width; bytesperline_c = width / 2; - planar_offset[1] = bytesperline_y * height; - planar_offset[2] = planar_offset[1] + - bytesperline_c * height; break; default: /* raw */ dev_dbg(csi_dev->dev, @@ -522,8 +512,6 @@ static void sun6i_csi_set_window(struct sun6i_csi_device *csi_dev) bytesperline_y = (sun6i_csi_get_bpp(config->pixelformat) * config->width) / 8; bytesperline_c = 0; - planar_offset[1] = -1; - planar_offset[2] = -1; break; } @@ -547,21 +535,6 @@ int sun6i_csi_update_config(struct sun6i_csi_device *csi_dev, return 0; } -void sun6i_csi_update_buf_addr(struct sun6i_csi_device *csi_dev, - dma_addr_t addr) -{ - regmap_write(csi_dev->regmap, SUN6I_CSI_CH_FIFO0_ADDR_REG, - SUN6I_CSI_ADDR_VALUE(addr + csi_dev->planar_offset[0])); - if (csi_dev->planar_offset[1] != -1) - regmap_write(csi_dev->regmap, SUN6I_CSI_CH_FIFO1_ADDR_REG, - SUN6I_CSI_ADDR_VALUE(addr + - csi_dev->planar_offset[1])); - if (csi_dev->planar_offset[2] != -1) - regmap_write(csi_dev->regmap, SUN6I_CSI_CH_FIFO2_ADDR_REG, - SUN6I_CSI_ADDR_VALUE(addr + - csi_dev->planar_offset[2])); -} - void sun6i_csi_set_stream(struct sun6i_csi_device *csi_dev, bool enable) { struct regmap *regmap = csi_dev->regmap; diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h index 741cacaa43e1..e16b3439a63c 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h @@ -63,8 +63,6 @@ struct sun6i_csi_device { struct clk *clk_mod; struct clk *clk_ram; struct reset_control *reset; - - int planar_offset[3]; }; /** @@ -91,14 +89,6 @@ int sun6i_csi_set_power(struct sun6i_csi_device *csi_dev, bool enable); int sun6i_csi_update_config(struct sun6i_csi_device *csi_dev, struct sun6i_csi_config *config); -/** - * sun6i_csi_update_buf_addr() - update the csi frame buffer address - * @csi: pointer to the csi - * @addr: frame buffer's physical address - */ -void sun6i_csi_update_buf_addr(struct sun6i_csi_device *csi_dev, - dma_addr_t addr); - /** * sun6i_csi_set_stream() - start/stop csi streaming * @csi: pointer to the csi diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c index 7b8556a25c61..f32beed0aaad 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c @@ -6,6 +6,7 @@ */ #include +#include #include #include @@ -16,6 +17,7 @@ #include "sun6i_csi.h" #include "sun6i_csi_capture.h" +#include "sun6i_csi_reg.h" /* This is got from BSP sources. */ #define MIN_WIDTH (32) @@ -109,13 +111,41 @@ static void sun6i_csi_capture_buffer_configure(struct sun6i_csi_device *csi_dev, struct sun6i_csi_buffer *csi_buffer) { + struct regmap *regmap = csi_dev->regmap; + const struct v4l2_format_info *info; struct vb2_buffer *vb2_buffer; + unsigned int width, height; dma_addr_t address; + u32 pixelformat; vb2_buffer = &csi_buffer->v4l2_buffer.vb2_buf; address = vb2_dma_contig_plane_dma_addr(vb2_buffer, 0); - sun6i_csi_update_buf_addr(csi_dev, address); + regmap_write(regmap, SUN6I_CSI_CH_FIFO0_ADDR_REG, + SUN6I_CSI_ADDR_VALUE(address)); + + sun6i_csi_capture_dimensions(csi_dev, &width, &height); + sun6i_csi_capture_format(csi_dev, &pixelformat, NULL); + + info = v4l2_format_info(pixelformat); + /* Unsupported formats are single-plane, so we can stop here. */ + if (!info) + return; + + if (info->comp_planes > 1) { + address += info->bpp[0] * width * height; + + regmap_write(regmap, SUN6I_CSI_CH_FIFO1_ADDR_REG, + SUN6I_CSI_ADDR_VALUE(address)); + } + + if (info->comp_planes > 2) { + address += info->bpp[1] * DIV_ROUND_UP(width, info->hdiv) * + DIV_ROUND_UP(height, info->vdiv); + + regmap_write(regmap, SUN6I_CSI_CH_FIFO2_ADDR_REG, + SUN6I_CSI_ADDR_VALUE(address)); + } } static void sun6i_csi_capture_configure(struct sun6i_csi_device *csi_dev)