From patchwork Wed Mar 27 23:16:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607668 Received: from mail-108-mta36.mxroute.com (mail-108-mta36.mxroute.com [136.175.108.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 49147153BE2 for ; Wed, 27 Mar 2024 23:22:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.36 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581751; cv=none; b=XWfGifEVa4o+Xr8MVRZrArz7FBg2WKVjiI3upzRu693+/kb2l0B+9OggK9f4kRJesSDdnTDzvbeRfh2f2+BSyOG5h5bPCvuajdx6K/yPqSI4b7NlgKHQjFKLpNStmrPUTdYNXrTE+xB+Wu/8Frpthp5HmEJDDxEavLjj4IOTVUo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581751; c=relaxed/simple; bh=AdHweroZnT+pHzZ/vSg+ukBfbmEglEx27aSOBLZQSiA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hg4Ws1elfNoO4hOh2ulvUOQ9NnpOWJyl1KwrDL9TKkIe/2is6yZwb+rbfxv1Cw7uIjJHIW8BuHC6S3uGqmmA5U1IE6XWrJQXam7cJvMkihG6Tf2saS5ghGpIjGK3gthmreb2ODcVfVkQtV+gdt8A2ubGNFBkR9NulJLTg7VmD00= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=XuedZhcO; arc=none smtp.client-ip=136.175.108.36 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="XuedZhcO" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta36.mxroute.com (ZoneMTA) with ESMTPSA id 18e82342a660003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:20 +0000 X-Zone-Loop: f86b70b57523154725224f6aee1159432798d0a8ca24 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=oPBK+fqL/hsM837Y3buk53bLBMvRdlTlsTvv2J3d9qk=; b=XuedZhcOk3oxws/6gsMm1d6NPc CUNpuVFVG+a888XylOiGJqtT0HeZPaGljb9MbfFDV+Qqb8yDOxK/FIDTjskVaK52+g1Vynhc8sKcg daKoLdGV9tTJDnKcnxnBxXKKW5lUqlcLcuCoIIy/xz2017e0+uw+ySDR4VEgxjmiheLlNllk1PXPH Cj6FTLD6mSBjs8PAzafDzUEijaGhkRBhdyWfiQwXlPevVAhk+lJX1GfZQw4Cg18/viTViCA9dDl0o S8DJ0vmgh6gmR96gnOU9sphI2wvl44xE9XCKmiUmWcGXminJkyZ7zy4WsGv2msV5Ik3LqZgfqj5Hl 8K7EVUGg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 01/23] media: i2c: imx258: Remove unused defines Date: Wed, 27 Mar 2024 17:16:47 -0600 Message-ID: <20240327231710.53188-2-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The IMX258_FLL_* defines are unused. Remove them. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index a577afb530b7..2dbafd21dd70 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -29,12 +29,6 @@ #define IMX258_VTS_30FPS_VGA 0x034c #define IMX258_VTS_MAX 0xffff -/*Frame Length Line*/ -#define IMX258_FLL_MIN 0x08a6 -#define IMX258_FLL_MAX 0xffff -#define IMX258_FLL_STEP 1 -#define IMX258_FLL_DEFAULT 0x0c98 - /* HBLANK control - read only */ #define IMX258_PPL_DEFAULT 5352 From patchwork Wed Mar 27 23:16:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607672 Received: from mail-108-mta1.mxroute.com (mail-108-mta1.mxroute.com [136.175.108.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F497155390 for ; Wed, 27 Mar 2024 23:22:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.1 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581757; cv=none; b=jfxUBwZCJpmLIXjLokCRdxJbXhZpNLjTNwDurwFFbZe8UGGF8bOjbwQ0pv4ekUbNBferR9J+75bZgB5qabMV44xQXbtCAuC2SOkYVnjwownYhzY3S5hJD2mRz32yAgUVDCKMS049QnB/a8eMawfJLi8KMtHxfVjxOimakl5ztwc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581757; c=relaxed/simple; bh=jNP2p08WMq4rAvPD5G7zFc0QqU8Ssu6AvUGSAXAqNqE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fPzSVaxpXjjrWoBpPVrdQOVtul0abfn8HxZir5yM8eSBJLSbuJtsOW1BYg7BupYSOxBevlOhnNo5PKaqXmHulKotdyrePq8fluW5iZzz2CfnBP4P8SMm9nxzwMAKe3DO7OzdVpr+UXx/1zuauPG3xpjEDstKhbSRoPyTScHSCmM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=tn9RdufV; arc=none smtp.client-ip=136.175.108.1 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="tn9RdufV" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta1.mxroute.com (ZoneMTA) with ESMTPSA id 18e8234330c0003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:22 +0000 X-Zone-Loop: d7878d35de8016434e0d0db8cf1d3337e94b8ef10090 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=pF+o/HwmqytRK3VcYcqwANjTHrDtZUjVJoHdG1r7wW4=; b=tn9RdufV+7IMiuGIs8gnE6SNWC reYocmMyyw4thwgYkcZAW7SiHwuooanWLcrcFyemAFqaXOh4BV2GuSdQBSH6g53y8nM1eLAHV2KSI 3o0c8dyTKDddb77d+LkKNdGno0yNa+5stjVOzgaohobipbBh92A2fJcSYsyR2DEMQfXkeksb06dfc sRDP8fFCcc6a0xLC4fV+q1vK8KLPLv3oeD+8z1myuQr58DOcR6bDfWBIaKcK1v2nkcR8KIcIUMc1L p6HkuiRYoKjWURr9SUsmWVyO/uHedcgRjWkOX1Qid1jl0mOO+Vcli1wc0hncFUBei88rjmX70ea7f yS4wBGHA==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/23] media: i2c: imx258: Make image geometry meet sensor requirements Date: Wed, 27 Mar 2024 17:16:48 -0600 Message-ID: <20240327231710.53188-3-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The output image is defined as being 4208x3118 pixels in size. Y_ADD_STA register was set to 0, and Y_ADD_END to 3118, giving 3119 lines total. The datasheet lists a requirement for Y_ADD_STA to be a multiple of a power of 2 depending on binning/scaling mode (2 for full pixel, 4 for x2-bin/scale, 8 for (x2-bin)+(x2-subsample) or x4-bin, or 16 for (x4-bin)+(x2-subsample)). (Y_ADD_END – Y_ADD_STA + 1) also has to be a similar power of 2. The current configuration for the full res modes breaks that second requirement, and we can't increase Y_ADD_STA to 1 to retain exactly the same field of view as that then breaks the first requirement. For the binned modes, they are worse off as 3118 is not a multiple of 4. Increase the main mode to 4208x3120 so that it is the same FOV as the binned modes, with Y_ADD_STA at 0. Fix Y_ADD_STA and Y_ADD_END for the binned modes so that they meet the sensor requirements. This does change the Bayer order as the default configuration is for H&V flips to be enabled, so readout is from Y_STA_END to Y_ADD_STA, and this patch has changed Y_STA_END. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 2dbafd21dd70..4a7048d834c6 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -111,7 +111,7 @@ struct imx258_mode { struct imx258_reg_list reg_list; }; -/* 4208x3118 needs 1267Mbps/lane, 4 lanes */ +/* 4208x3120 needs 1267Mbps/lane, 4 lanes */ static const struct imx258_reg mipi_data_rate_1267mbps[] = { { 0x0301, 0x05 }, { 0x0303, 0x02 }, @@ -148,7 +148,7 @@ static const struct imx258_reg mipi_data_rate_640mbps[] = { { 0x0823, 0x00 }, }; -static const struct imx258_reg mode_4208x3118_regs[] = { +static const struct imx258_reg mode_4208x3120_regs[] = { { 0x0136, 0x13 }, { 0x0137, 0x33 }, { 0x3051, 0x00 }, @@ -210,7 +210,7 @@ static const struct imx258_reg mode_4208x3118_regs[] = { { 0x0348, 0x10 }, { 0x0349, 0x6F }, { 0x034A, 0x0C }, - { 0x034B, 0x2E }, + { 0x034B, 0x2F }, { 0x0381, 0x01 }, { 0x0383, 0x01 }, { 0x0385, 0x01 }, @@ -329,7 +329,7 @@ static const struct imx258_reg mode_2104_1560_regs[] = { { 0x0348, 0x10 }, { 0x0349, 0x6F }, { 0x034A, 0x0C }, - { 0x034B, 0x2E }, + { 0x034B, 0x2F }, { 0x0381, 0x01 }, { 0x0383, 0x01 }, { 0x0385, 0x01 }, @@ -448,7 +448,7 @@ static const struct imx258_reg mode_1048_780_regs[] = { { 0x0348, 0x10 }, { 0x0349, 0x6F }, { 0x034A, 0x0C }, - { 0x034B, 0x2E }, + { 0x034B, 0x2F }, { 0x0381, 0x01 }, { 0x0383, 0x01 }, { 0x0385, 0x01 }, @@ -562,12 +562,12 @@ static const struct imx258_link_freq_config link_freq_configs[] = { static const struct imx258_mode supported_modes[] = { { .width = 4208, - .height = 3118, + .height = 3120, .vts_def = IMX258_VTS_30FPS, .vts_min = IMX258_VTS_30FPS, .reg_list = { - .num_of_regs = ARRAY_SIZE(mode_4208x3118_regs), - .regs = mode_4208x3118_regs, + .num_of_regs = ARRAY_SIZE(mode_4208x3120_regs), + .regs = mode_4208x3120_regs, }, .link_freq_index = IMX258_LINK_FREQ_1267MBPS, }, @@ -707,7 +707,7 @@ static int imx258_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) /* Initialize try_fmt */ try_fmt->width = supported_modes[0].width; try_fmt->height = supported_modes[0].height; - try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; + try_fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10; try_fmt->field = V4L2_FIELD_NONE; return 0; @@ -819,7 +819,7 @@ static int imx258_enum_mbus_code(struct v4l2_subdev *sd, if (code->index > 0) return -EINVAL; - code->code = MEDIA_BUS_FMT_SGRBG10_1X10; + code->code = MEDIA_BUS_FMT_SBGGR10_1X10; return 0; } @@ -831,7 +831,7 @@ static int imx258_enum_frame_size(struct v4l2_subdev *sd, if (fse->index >= ARRAY_SIZE(supported_modes)) return -EINVAL; - if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) + if (fse->code != MEDIA_BUS_FMT_SBGGR10_1X10) return -EINVAL; fse->min_width = supported_modes[fse->index].width; @@ -847,7 +847,7 @@ static void imx258_update_pad_format(const struct imx258_mode *mode, { fmt->format.width = mode->width; fmt->format.height = mode->height; - fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; fmt->format.field = V4L2_FIELD_NONE; } @@ -894,7 +894,7 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, mutex_lock(&imx258->mutex); /* Only one raw bayer(GBRG) order is supported */ - fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; mode = v4l2_find_nearest_size(supported_modes, ARRAY_SIZE(supported_modes), width, height, From patchwork Wed Mar 27 23:16:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607669 Received: from mail-108-mta113.mxroute.com (mail-108-mta113.mxroute.com [136.175.108.113]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A0E5155393 for ; Wed, 27 Mar 2024 23:22:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.113 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581757; cv=none; b=KVDpU2bOx1r/oleB1xjedK5Rna+ET7tof5RlrWj7eWJV7AYpgTsllIKkDAkjMVX1gT6mfTI8JoRV4LM+R4Gxr9FncKzSHt0DAzBgB/OR159+I3m/Z4nCbVDgDe0bV+2qwBciXPX8AZLVhFe9mpoU3SNYdXPeg1Co1xvTsDg40H8= ARC-Message-Signature: i=1; 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Wed, 27 Mar 2024 23:17:23 +0000 X-Zone-Loop: 07c8432a64294419e55473c0ce60ba46410407b8281c DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=KW1mmB+UsQBWu80vviFCvkS83K6yY9xI4ffO4IjmdFk=; b=e3TgpllE3g2X0HiQXdM/8QW772 1t0TMuZgesQ1YdxNmIxqKAh1EC+kU+Z/Fn6zlhPFgBVBz17PYrhlj4UJ9f5xxJ1WyGN7PpZHsAwOO +DRr84wnuj7ZP3I3CBPsbo0rdi1zGvJjEDsA7c/G7M1R21RoA6KEnlL4Af6QrdonKypUgJ83XKZUz 8IVw5mn++whmXqrHP647oYQEjSSf0REYv7Zj0+LTdHnXQVGeo8yx5e+8Hz09rdaeCvWDkpEJVc5cZ EfG0TSdDfub2hoSdRFYONofdu+Ld++Ny2m7wJQx0BqThWfcUyOzFk1WpziRQvkunQZ7htLpFaRzQg gw9M25qg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 03/23] media: i2c: imx258: Disable digital cropping on binned modes Date: Wed, 27 Mar 2024 17:16:49 -0600 Message-ID: <20240327231710.53188-4-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The binned modes set DIG_CROP_X_OFFSET and DIG_CROP_IMAGE_WIDTH to less than the full image, even though the image being captured is meant to be a scaled version of the full array size. Reduce X_OFFSET to 0, and increase IMAGE_WIDTH to the full array. Signed-off-by: Dave Stevenson --- drivers/media/i2c/imx258.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 4a7048d834c6..0ae4371940ca 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -340,11 +340,11 @@ static const struct imx258_reg mode_2104_1560_regs[] = { { 0x0404, 0x00 }, { 0x0405, 0x20 }, { 0x0408, 0x00 }, - { 0x0409, 0x02 }, + { 0x0409, 0x00 }, { 0x040A, 0x00 }, { 0x040B, 0x00 }, { 0x040C, 0x10 }, - { 0x040D, 0x6A }, + { 0x040D, 0x70 }, { 0x040E, 0x06 }, { 0x040F, 0x18 }, { 0x3038, 0x00 }, @@ -459,11 +459,11 @@ static const struct imx258_reg mode_1048_780_regs[] = { { 0x0404, 0x00 }, { 0x0405, 0x40 }, { 0x0408, 0x00 }, - { 0x0409, 0x06 }, + { 0x0409, 0x00 }, { 0x040A, 0x00 }, { 0x040B, 0x00 }, { 0x040C, 0x10 }, - { 0x040D, 0x64 }, + { 0x040D, 0x70 }, { 0x040E, 0x03 }, { 0x040F, 0x0C }, { 0x3038, 0x00 }, From patchwork Wed Mar 27 23:16:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607671 Received: from mail-108-mta20.mxroute.com (mail-108-mta20.mxroute.com [136.175.108.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EDF115538D for ; Wed, 27 Mar 2024 23:22:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.20 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581757; cv=none; b=Hnhvu/vQBk92fJjF7MMA/got+2swLnzZ4OuFp+dlflBeFG0SXmOmCcio1ESXrBVZpFThhgCDXVlGxdAe6XCCOb5JhEIevmBbqJt5Fz8sNGbrVr7PuHCjyViw8mh4AKzQXk61f+vNj22pXL69lJaUU6gH6LjQY6q4jutqZFIYrAs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581757; c=relaxed/simple; bh=B4s2yCDpIKOW86tAjjQ6L/UaYF/IQ6mt7oWrgOD4HUs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=psqd4wHSpjvZm9RRFd1SFCiMLnccyBvr1gy+aYwMH5ax3LA9donVm7uiTKwJVrHDuPuCrxqgERztB/H4Re/cXtjvyyAmGBnDV1MUHyBd4aVG4x+BRT5G8CSm+CSpJ6H7e/b6LxTylhHVkSG7mJ3CoxK6OKCUeSFV/89fR2KVZ9w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=nzfzHTnG; arc=none smtp.client-ip=136.175.108.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="nzfzHTnG" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta20.mxroute.com (ZoneMTA) with ESMTPSA id 18e82343dda0003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:25 +0000 X-Zone-Loop: 8b12fbdbcaa19668f23d7ba5dca79fad428f8dd215d4 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=8bhqgLzRjHq8zDgKCYHR1LOSNnMHG3H17WmIQSeJXnE=; b=nzfzHTnGwT7apjCKgZJQPReuZE nxKFY0VjZI7M5lx4Qw43V+zEhgWz2pYpNQbZdgc7Rl9CoT8UCzLFa1jCESGpMA/0EmH0mV/rrAt2/ 0FpChHxYkictCF4ll7KTeOfILvl1hmvhOxxVTrOLmqjqKGIaU67ci5s4u+CVzOw5YgSTe5ciTd5Qs 3KFmi15SrfMJ7tZzDbyKLa6VHXHVB/XXwcZNG823zDZO1ypEwHIRAuOClD74C5JxvuvgGyx4tggBP /FpK5uS/4IDov8faNXw0vq9xiDP68kpTTBDn0zw+KpTaJHLyK0w2sxzkBhuEK7ZN3AkBpPY+enDqz pQz26EOw==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 04/23] media: i2c: imx258: Remove redundant I2C writes. Date: Wed, 27 Mar 2024 17:16:50 -0600 Message-ID: <20240327231710.53188-5-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson Registers 0x0202 and 0x0203 are written via the control handler for V4L2_CID_EXPOSURE, so are not needed from the mode lists. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 0ae4371940ca..df7ed4716762 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -237,8 +237,6 @@ static const struct imx258_reg mode_4208x3120_regs[] = { { 0x034E, 0x0C }, { 0x034F, 0x30 }, { 0x0350, 0x01 }, - { 0x0202, 0x0C }, - { 0x0203, 0x46 }, { 0x0204, 0x00 }, { 0x0205, 0x00 }, { 0x020E, 0x01 }, @@ -356,8 +354,6 @@ static const struct imx258_reg mode_2104_1560_regs[] = { { 0x034E, 0x06 }, { 0x034F, 0x18 }, { 0x0350, 0x01 }, - { 0x0202, 0x06 }, - { 0x0203, 0x2E }, { 0x0204, 0x00 }, { 0x0205, 0x00 }, { 0x020E, 0x01 }, @@ -475,8 +471,6 @@ static const struct imx258_reg mode_1048_780_regs[] = { { 0x034E, 0x03 }, { 0x034F, 0x0C }, { 0x0350, 0x01 }, - { 0x0202, 0x03 }, - { 0x0203, 0x42 }, { 0x0204, 0x00 }, { 0x0205, 0x00 }, { 0x020E, 0x01 }, From patchwork Wed Mar 27 23:16:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607691 Received: from mail-108-mta56.mxroute.com (mail-108-mta56.mxroute.com [136.175.108.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6E2E61553B2 for ; Wed, 27 Mar 2024 23:22:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581762; cv=none; b=Z4bHF7AwxwB7euXUTzg1IHz4lfY3uC2q1WHNGOanIb/Ve8v/WNLimgflbwW63oOqdHXsRZ/G4uZOu+ysuL4pbumy7M6vSPSn8LY5eacrUzTV/rBYwnkL3tmrWcHWOuqrzjyjBVHWVlfezZBY08olZumM//KmxCuLh5RMqMcJxK0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581762; c=relaxed/simple; bh=1iE8P7W9oJH44MhsahqLftnU88zvC+0TSEH6ZniPwWY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; 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Wed, 27 Mar 2024 23:17:28 +0000 X-Zone-Loop: a5b87c35525dd69ad9e1cc072241accbdb578ccbd526 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=hq3LXvJ1k7/mJNF6jC9ba4k3K25mnAdHN91vxGscAic=; b=ZFaMkrGCR1VTgX5BJNZOHrhz+Z KLQI+o+Pd5s+9A9IseKwvfEU9EQK9bJRrCB+iG4OIo1SNJBDHHRBTyXVnU9GubB5obZfiVxtWwHcX cTxNm85ckb3KuflObK/r8YEazGnH8pip9kUxd7yFTxx4+aLYZejrhub1FHNMPt8bsMsma0knekvvj UOFLAlTz7Ai73jkJtFjKEK7eb0zz9c0vAhvMq5EpiJesb6YMjbsF/nhDiowRhy7adyO8t5CczWHRu 37K1+kXrXa4rZKArZQdrCe5GZdNIXeslLOjFgtR+Q6mgFEai9gSmYEkolyFMnV4KTXZCBY63CugD1 8EUSyzrQ==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 05/23] media: i2c: imx258: Add regulator control Date: Wed, 27 Mar 2024 17:16:51 -0600 Message-ID: <20240327231710.53188-6-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The device tree bindings define the relevant regulators for the sensor, so update the driver to request the regulators and control them at the appropriate times. Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 --- drivers/media/i2c/imx258.c | 42 +++++++++++++++++++++++++++++++++++++- 1 file changed, 41 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index df7ed4716762..495eaada2945 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include @@ -507,6 +508,16 @@ static const char * const imx258_test_pattern_menu[] = { "Pseudorandom Sequence (PN9)", }; +/* regulator supplies */ +static const char * const imx258_supply_name[] = { + /* Supplies can be enabled in any order */ + "vana", /* Analog (2.8V) supply */ + "vdig", /* Digital Core (1.2V) supply */ + "vif", /* IF (1.8V) supply */ +}; + +#define IMX258_NUM_SUPPLIES ARRAY_SIZE(imx258_supply_name) + /* Configurations for supported link frequencies */ #define IMX258_LINK_FREQ_634MHZ 633600000ULL #define IMX258_LINK_FREQ_320MHZ 320000000ULL @@ -611,6 +622,7 @@ struct imx258 { struct mutex mutex; struct clk *clk; + struct regulator_bulk_data supplies[IMX258_NUM_SUPPLIES]; }; static inline struct imx258 *to_imx258(struct v4l2_subdev *_sd) @@ -995,9 +1007,19 @@ static int imx258_power_on(struct device *dev) struct imx258 *imx258 = to_imx258(sd); int ret; + ret = regulator_bulk_enable(IMX258_NUM_SUPPLIES, + imx258->supplies); + if (ret) { + dev_err(dev, "%s: failed to enable regulators\n", + __func__); + return ret; + } + ret = clk_prepare_enable(imx258->clk); - if (ret) + if (ret) { dev_err(dev, "failed to enable clock\n"); + regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); + } return ret; } @@ -1008,6 +1030,7 @@ static int imx258_power_off(struct device *dev) struct imx258 *imx258 = to_imx258(sd); clk_disable_unprepare(imx258->clk); + regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); return 0; } @@ -1220,6 +1243,18 @@ static void imx258_free_controls(struct imx258 *imx258) mutex_destroy(&imx258->mutex); } +static int imx258_get_regulators(struct imx258 *imx258, + struct i2c_client *client) +{ + unsigned int i; + + for (i = 0; i < IMX258_NUM_SUPPLIES; i++) + imx258->supplies[i].supply = imx258_supply_name[i]; + + return devm_regulator_bulk_get(&client->dev, + IMX258_NUM_SUPPLIES, imx258->supplies); +} + static int imx258_probe(struct i2c_client *client) { struct imx258 *imx258; @@ -1230,6 +1265,11 @@ static int imx258_probe(struct i2c_client *client) if (!imx258) return -ENOMEM; + ret = imx258_get_regulators(imx258, client); + if (ret) + return dev_err_probe(&client->dev, ret, + "failed to get regulators\n"); + imx258->clk = devm_clk_get_optional(&client->dev, NULL); if (IS_ERR(imx258->clk)) return dev_err_probe(&client->dev, PTR_ERR(imx258->clk), From patchwork Wed Mar 27 23:16:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607662 Received: from mail-108-mta50.mxroute.com (mail-108-mta50.mxroute.com [136.175.108.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B4E64152160 for ; 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bh=XYmNM0zbv3+O+YfnDH4hEcGfkU7Y/smW11E/sBjJxo8=; b=pc/+BPkonW5guBkaLMYnqc+UZj 3qDQacC3Wjy7gocq2iX0HFpZqURNpocPIyOXrrSlcy4Cvhh5+D287Ln+Bk+PTGBC4n2vuFevW2I62 lQ4OsB5+9XrSyPjNsdIIpxw+NxfJUWMgaGhSKTI12grVagEIRSMBaGj7FfXL4sLeY5GMOFvWNtwdt Hif1pptKXWK5b2xBtfuhfyuXZ39hUo0SKM/Bm2dbWvVFVBtN1ZG9n5VKcVDluKLY/EiXxROhq5YQG 4yKb61/9xE8z2/QNeVeHGRhfw1ET2ufflRwC4glFUNx5kcn+EkVQe2xdxHqH3xzblVMLWtxqzNQ3l 9VHqt3dA==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 06/23] media: i2c: imx258: Make V4L2_CID_VBLANK configurable. Date: Wed, 27 Mar 2024 17:16:52 -0600 Message-ID: <20240327231710.53188-7-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The values and ranges of V4L2_CID_VBLANK are all computed, so there is no reason for it to be a read only control. Remove the register values from the mode lists, add the handler, and remove the read only flag. Signed-off-by: Dave Stevenson --- drivers/media/i2c/imx258.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 495eaada2945..321b504c6a48 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -30,6 +30,8 @@ #define IMX258_VTS_30FPS_VGA 0x034c #define IMX258_VTS_MAX 0xffff +#define IMX258_REG_VTS 0x0340 + /* HBLANK control - read only */ #define IMX258_PPL_DEFAULT 5352 @@ -202,8 +204,6 @@ static const struct imx258_reg mode_4208x3120_regs[] = { { 0x0114, 0x03 }, { 0x0342, 0x14 }, { 0x0343, 0xE8 }, - { 0x0340, 0x0C }, - { 0x0341, 0x50 }, { 0x0344, 0x00 }, { 0x0345, 0x00 }, { 0x0346, 0x00 }, @@ -319,8 +319,6 @@ static const struct imx258_reg mode_2104_1560_regs[] = { { 0x0114, 0x03 }, { 0x0342, 0x14 }, { 0x0343, 0xE8 }, - { 0x0340, 0x06 }, - { 0x0341, 0x38 }, { 0x0344, 0x00 }, { 0x0345, 0x00 }, { 0x0346, 0x00 }, @@ -436,8 +434,6 @@ static const struct imx258_reg mode_1048_780_regs[] = { { 0x0114, 0x03 }, { 0x0342, 0x14 }, { 0x0343, 0xE8 }, - { 0x0340, 0x03 }, - { 0x0341, 0x4C }, { 0x0344, 0x00 }, { 0x0345, 0x00 }, { 0x0346, 0x00 }, @@ -800,6 +796,11 @@ static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) BIT(IMX258_HDR_RATIO_MAX)); } break; + case V4L2_CID_VBLANK: + ret = imx258_write_reg(imx258, IMX258_REG_VTS, + IMX258_REG_VALUE_16BIT, + imx258->cur_mode->height + ctrl->val); + break; default: dev_info(&client->dev, "ctrl(id:0x%x,val:0x%x) is not handled\n", @@ -1174,9 +1175,6 @@ static int imx258_init_controls(struct imx258 *imx258) IMX258_VTS_MAX - imx258->cur_mode->height, 1, vblank_def); - if (imx258->vblank) - imx258->vblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; - imx258->hblank = v4l2_ctrl_new_std( ctrl_hdlr, &imx258_ctrl_ops, V4L2_CID_HBLANK, IMX258_PPL_DEFAULT - imx258->cur_mode->width, From patchwork Wed Mar 27 23:16:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607663 Received: from mail-108-mta224.mxroute.com (mail-108-mta224.mxroute.com [136.175.108.224]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBDD5152DFE for ; 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arc=none smtp.client-ip=136.175.108.224 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="zpbqHRT6" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta224.mxroute.com (ZoneMTA) with ESMTPSA id 18e823453e00003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:31 +0000 X-Zone-Loop: 600e9a668f42a626bcd8044984c5334009df057ac153 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=JsJQaJuq/Y8/E5VAKWZ8Y8tdFAXhqbEJOpojskktF5o=; b=zpbqHRT659Uw+mZhsA3haLrllC doxOCusepPGGdYvtPSPUpWQOBqwoPvWO4IzLzmryPs/Du6vHxfkWQfoiF/NwG9dkTHckbRgXPIxsp 6aNiD/1MVEoL27RB+CaqLfZ/dRddmDWchSSGscj2gxtUyOt8Sb7aqFu/tkCt6ERYOT6/IsO+m0c4B 8W75LMzOY6z0t8nydLYQuNR5JHLJNcMaxjKqPJrDGNPVXL/0mCTj8DkyOzs1hBcFORlvCWmcAYsNZ 77FzTeC38Vq85bfqDT1x/JxoLy+Q5IwuzQ/7Ju864Z5siL6aG77ViVt1yzpXCMO5b4pdb6V4LAq2G Cbe7EdQQ==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 07/23] media: i2c: imx258: Split out common registers from the mode based ones Date: Wed, 27 Mar 2024 17:16:53 -0600 Message-ID: <20240327231710.53188-8-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson Out of all the registers that are defined for each mode, only around 10 differ between the modes. Split the table into common and mode specific ones. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 236 ++++--------------------------------- 1 file changed, 21 insertions(+), 215 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 321b504c6a48..351add1bc5d5 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -151,7 +151,7 @@ static const struct imx258_reg mipi_data_rate_640mbps[] = { { 0x0823, 0x00 }, }; -static const struct imx258_reg mode_4208x3120_regs[] = { +static const struct imx258_reg mode_common_regs[] = { { 0x0136, 0x13 }, { 0x0137, 0x33 }, { 0x3051, 0x00 }, @@ -216,27 +216,17 @@ static const struct imx258_reg mode_4208x3120_regs[] = { { 0x0383, 0x01 }, { 0x0385, 0x01 }, { 0x0387, 0x01 }, - { 0x0900, 0x00 }, - { 0x0901, 0x11 }, - { 0x0401, 0x00 }, { 0x0404, 0x00 }, - { 0x0405, 0x10 }, { 0x0408, 0x00 }, { 0x0409, 0x00 }, { 0x040A, 0x00 }, { 0x040B, 0x00 }, { 0x040C, 0x10 }, { 0x040D, 0x70 }, - { 0x040E, 0x0C }, - { 0x040F, 0x30 }, { 0x3038, 0x00 }, { 0x303A, 0x00 }, { 0x303B, 0x10 }, { 0x300D, 0x00 }, - { 0x034C, 0x10 }, - { 0x034D, 0x70 }, - { 0x034E, 0x0C }, - { 0x034F, 0x30 }, { 0x0350, 0x01 }, { 0x0204, 0x00 }, { 0x0205, 0x00 }, @@ -266,234 +256,43 @@ static const struct imx258_reg mode_4208x3120_regs[] = { { 0x0220, 0x00 }, }; +static const struct imx258_reg mode_4208x3120_regs[] = { + { 0x0900, 0x00 }, + { 0x0901, 0x11 }, + { 0x0401, 0x00 }, + { 0x0405, 0x10 }, + { 0x040E, 0x0C }, + { 0x040F, 0x30 }, + { 0x034C, 0x10 }, + { 0x034D, 0x70 }, + { 0x034E, 0x0C }, + { 0x034F, 0x30 }, +}; + static const struct imx258_reg mode_2104_1560_regs[] = { - { 0x0136, 0x13 }, - { 0x0137, 0x33 }, - { 0x3051, 0x00 }, - { 0x3052, 0x00 }, - { 0x4E21, 0x14 }, - { 0x6B11, 0xCF }, - { 0x7FF0, 0x08 }, - { 0x7FF1, 0x0F }, - { 0x7FF2, 0x08 }, - { 0x7FF3, 0x1B }, - { 0x7FF4, 0x23 }, - { 0x7FF5, 0x60 }, - { 0x7FF6, 0x00 }, - { 0x7FF7, 0x01 }, - { 0x7FF8, 0x00 }, - { 0x7FF9, 0x78 }, - { 0x7FFA, 0x00 }, - { 0x7FFB, 0x00 }, - { 0x7FFC, 0x00 }, - { 0x7FFD, 0x00 }, - { 0x7FFE, 0x00 }, - { 0x7FFF, 0x03 }, - { 0x7F76, 0x03 }, - { 0x7F77, 0xFE }, - { 0x7FA8, 0x03 }, - { 0x7FA9, 0xFE }, - { 0x7B24, 0x81 }, - { 0x7B25, 0x00 }, - { 0x6564, 0x07 }, - { 0x6B0D, 0x41 }, - { 0x653D, 0x04 }, - { 0x6B05, 0x8C }, - { 0x6B06, 0xF9 }, - { 0x6B08, 0x65 }, - { 0x6B09, 0xFC }, - { 0x6B0A, 0xCF }, - { 0x6B0B, 0xD2 }, - { 0x6700, 0x0E }, - { 0x6707, 0x0E }, - { 0x9104, 0x00 }, - { 0x4648, 0x7F }, - { 0x7420, 0x00 }, - { 0x7421, 0x1C }, - { 0x7422, 0x00 }, - { 0x7423, 0xD7 }, - { 0x5F04, 0x00 }, - { 0x5F05, 0xED }, - { 0x0112, 0x0A }, - { 0x0113, 0x0A }, - { 0x0114, 0x03 }, - { 0x0342, 0x14 }, - { 0x0343, 0xE8 }, - { 0x0344, 0x00 }, - { 0x0345, 0x00 }, - { 0x0346, 0x00 }, - { 0x0347, 0x00 }, - { 0x0348, 0x10 }, - { 0x0349, 0x6F }, - { 0x034A, 0x0C }, - { 0x034B, 0x2F }, - { 0x0381, 0x01 }, - { 0x0383, 0x01 }, - { 0x0385, 0x01 }, - { 0x0387, 0x01 }, { 0x0900, 0x01 }, { 0x0901, 0x12 }, { 0x0401, 0x01 }, - { 0x0404, 0x00 }, { 0x0405, 0x20 }, - { 0x0408, 0x00 }, - { 0x0409, 0x00 }, - { 0x040A, 0x00 }, - { 0x040B, 0x00 }, - { 0x040C, 0x10 }, - { 0x040D, 0x70 }, { 0x040E, 0x06 }, { 0x040F, 0x18 }, - { 0x3038, 0x00 }, - { 0x303A, 0x00 }, - { 0x303B, 0x10 }, - { 0x300D, 0x00 }, { 0x034C, 0x08 }, { 0x034D, 0x38 }, { 0x034E, 0x06 }, { 0x034F, 0x18 }, - { 0x0350, 0x01 }, - { 0x0204, 0x00 }, - { 0x0205, 0x00 }, - { 0x020E, 0x01 }, - { 0x020F, 0x00 }, - { 0x0210, 0x01 }, - { 0x0211, 0x00 }, - { 0x0212, 0x01 }, - { 0x0213, 0x00 }, - { 0x0214, 0x01 }, - { 0x0215, 0x00 }, - { 0x7BCD, 0x01 }, - { 0x94DC, 0x20 }, - { 0x94DD, 0x20 }, - { 0x94DE, 0x20 }, - { 0x95DC, 0x20 }, - { 0x95DD, 0x20 }, - { 0x95DE, 0x20 }, - { 0x7FB0, 0x00 }, - { 0x9010, 0x3E }, - { 0x9419, 0x50 }, - { 0x941B, 0x50 }, - { 0x9519, 0x50 }, - { 0x951B, 0x50 }, - { 0x3030, 0x00 }, - { 0x3032, 0x00 }, - { 0x0220, 0x00 }, }; static const struct imx258_reg mode_1048_780_regs[] = { - { 0x0136, 0x13 }, - { 0x0137, 0x33 }, - { 0x3051, 0x00 }, - { 0x3052, 0x00 }, - { 0x4E21, 0x14 }, - { 0x6B11, 0xCF }, - { 0x7FF0, 0x08 }, - { 0x7FF1, 0x0F }, - { 0x7FF2, 0x08 }, - { 0x7FF3, 0x1B }, - { 0x7FF4, 0x23 }, - { 0x7FF5, 0x60 }, - { 0x7FF6, 0x00 }, - { 0x7FF7, 0x01 }, - { 0x7FF8, 0x00 }, - { 0x7FF9, 0x78 }, - { 0x7FFA, 0x00 }, - { 0x7FFB, 0x00 }, - { 0x7FFC, 0x00 }, - { 0x7FFD, 0x00 }, - { 0x7FFE, 0x00 }, - { 0x7FFF, 0x03 }, - { 0x7F76, 0x03 }, - { 0x7F77, 0xFE }, - { 0x7FA8, 0x03 }, - { 0x7FA9, 0xFE }, - { 0x7B24, 0x81 }, - { 0x7B25, 0x00 }, - { 0x6564, 0x07 }, - { 0x6B0D, 0x41 }, - { 0x653D, 0x04 }, - { 0x6B05, 0x8C }, - { 0x6B06, 0xF9 }, - { 0x6B08, 0x65 }, - { 0x6B09, 0xFC }, - { 0x6B0A, 0xCF }, - { 0x6B0B, 0xD2 }, - { 0x6700, 0x0E }, - { 0x6707, 0x0E }, - { 0x9104, 0x00 }, - { 0x4648, 0x7F }, - { 0x7420, 0x00 }, - { 0x7421, 0x1C }, - { 0x7422, 0x00 }, - { 0x7423, 0xD7 }, - { 0x5F04, 0x00 }, - { 0x5F05, 0xED }, - { 0x0112, 0x0A }, - { 0x0113, 0x0A }, - { 0x0114, 0x03 }, - { 0x0342, 0x14 }, - { 0x0343, 0xE8 }, - { 0x0344, 0x00 }, - { 0x0345, 0x00 }, - { 0x0346, 0x00 }, - { 0x0347, 0x00 }, - { 0x0348, 0x10 }, - { 0x0349, 0x6F }, - { 0x034A, 0x0C }, - { 0x034B, 0x2F }, - { 0x0381, 0x01 }, - { 0x0383, 0x01 }, - { 0x0385, 0x01 }, - { 0x0387, 0x01 }, { 0x0900, 0x01 }, { 0x0901, 0x14 }, { 0x0401, 0x01 }, - { 0x0404, 0x00 }, { 0x0405, 0x40 }, - { 0x0408, 0x00 }, - { 0x0409, 0x00 }, - { 0x040A, 0x00 }, - { 0x040B, 0x00 }, - { 0x040C, 0x10 }, - { 0x040D, 0x70 }, { 0x040E, 0x03 }, { 0x040F, 0x0C }, - { 0x3038, 0x00 }, - { 0x303A, 0x00 }, - { 0x303B, 0x10 }, - { 0x300D, 0x00 }, { 0x034C, 0x04 }, { 0x034D, 0x18 }, { 0x034E, 0x03 }, { 0x034F, 0x0C }, - { 0x0350, 0x01 }, - { 0x0204, 0x00 }, - { 0x0205, 0x00 }, - { 0x020E, 0x01 }, - { 0x020F, 0x00 }, - { 0x0210, 0x01 }, - { 0x0211, 0x00 }, - { 0x0212, 0x01 }, - { 0x0213, 0x00 }, - { 0x0214, 0x01 }, - { 0x0215, 0x00 }, - { 0x7BCD, 0x00 }, - { 0x94DC, 0x20 }, - { 0x94DD, 0x20 }, - { 0x94DE, 0x20 }, - { 0x95DC, 0x20 }, - { 0x95DD, 0x20 }, - { 0x95DE, 0x20 }, - { 0x7FB0, 0x00 }, - { 0x9010, 0x3E }, - { 0x9419, 0x50 }, - { 0x941B, 0x50 }, - { 0x9519, 0x50 }, - { 0x951B, 0x50 }, - { 0x3030, 0x00 }, - { 0x3032, 0x00 }, - { 0x0220, 0x00 }, }; static const char * const imx258_test_pattern_menu[] = { @@ -955,6 +754,13 @@ static int imx258_start_streaming(struct imx258 *imx258) return ret; } + ret = imx258_write_regs(imx258, mode_common_regs, + ARRAY_SIZE(mode_common_regs)); + if (ret) { + dev_err(&client->dev, "%s failed to set common regs\n", __func__); + return ret; + } + /* Apply default values of current mode */ reg_list = &imx258->cur_mode->reg_list; ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs); From patchwork Wed Mar 27 23:16:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607692 Received: from mail-108-mta200.mxroute.com (mail-108-mta200.mxroute.com [136.175.108.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71608155731 for ; Wed, 27 Mar 2024 23:22:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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bh=v0tIOtHXLmE3QmL+EJPups6PUsU/L3wQwMMW/4d4ByM=; b=lVyuabTnwkHJM6p1tFAbhIuqil PUZ5H45YLHwaz/i8lh45Jt8mpARdo3UgcF0jg8VOGYrOj6oRg63bY3CyWvq+01IY/Gb+ezgIlo2F0 eNkKLLc6p/uFN1o63NI1tlyyDn7HCeCZQRpsetnecox44/craYveTWZ9WAJxu+3sMJYYcMbWaWrkd p7X8cxtkijRzfJBBvXw50ZHx4+ZciSzP4WhY1a8X7cl+cLbxKAZ2DrQ+h71y7aQxekhwTYTcEqATc aD/9orBkq0x8grE4kjcVpQpcX/5GKdAwcnGaoMwm6CDvVJRIDe4k8gmZgXEf0Hb+1kT+MoZh66S59 ENJZnlrA==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 08/23] media: i2c: imx258: Add support for 24MHz clock Date: Wed, 27 Mar 2024 17:16:54 -0600 Message-ID: <20240327231710.53188-9-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson There's no reason why only a clock of 19.2MHz is supported. Indeed this isn't even a frequency listed in the datasheet. Add support for 24MHz as well. The PLL settings result in slightly different link frequencies, so parameterise those. Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 --- drivers/media/i2c/imx258.c | 133 +++++++++++++++++++++++++++++-------- 1 file changed, 107 insertions(+), 26 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 351add1bc5d5..6ee7de079454 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -76,9 +76,6 @@ #define REG_CONFIG_MIRROR_FLIP 0x03 #define REG_CONFIG_FLIP_TEST_PATTERN 0x02 -/* Input clock frequency in Hz */ -#define IMX258_INPUT_CLOCK_FREQ 19200000 - struct imx258_reg { u16 address; u8 val; @@ -115,7 +112,9 @@ struct imx258_mode { }; /* 4208x3120 needs 1267Mbps/lane, 4 lanes */ -static const struct imx258_reg mipi_data_rate_1267mbps[] = { +static const struct imx258_reg mipi_1267mbps_19_2mhz[] = { + { 0x0136, 0x13 }, + { 0x0137, 0x33 }, { 0x0301, 0x05 }, { 0x0303, 0x02 }, { 0x0305, 0x03 }, @@ -133,7 +132,29 @@ static const struct imx258_reg mipi_data_rate_1267mbps[] = { { 0x0823, 0xCC }, }; -static const struct imx258_reg mipi_data_rate_640mbps[] = { +static const struct imx258_reg mipi_1272mbps_24mhz[] = { + { 0x0136, 0x18 }, + { 0x0137, 0x00 }, + { 0x0301, 0x05 }, + { 0x0303, 0x02 }, + { 0x0305, 0x04 }, + { 0x0306, 0x00 }, + { 0x0307, 0xD4 }, + { 0x0309, 0x0A }, + { 0x030B, 0x01 }, + { 0x030D, 0x02 }, + { 0x030E, 0x00 }, + { 0x030F, 0xD8 }, + { 0x0310, 0x00 }, + { 0x0820, 0x13 }, + { 0x0821, 0x4C }, + { 0x0822, 0xCC }, + { 0x0823, 0xCC }, +}; + +static const struct imx258_reg mipi_640mbps_19_2mhz[] = { + { 0x0136, 0x13 }, + { 0x0137, 0x33 }, { 0x0301, 0x05 }, { 0x0303, 0x02 }, { 0x0305, 0x03 }, @@ -151,9 +172,27 @@ static const struct imx258_reg mipi_data_rate_640mbps[] = { { 0x0823, 0x00 }, }; +static const struct imx258_reg mipi_642mbps_24mhz[] = { + { 0x0136, 0x18 }, + { 0x0137, 0x00 }, + { 0x0301, 0x05 }, + { 0x0303, 0x02 }, + { 0x0305, 0x04 }, + { 0x0306, 0x00 }, + { 0x0307, 0x6B }, + { 0x0309, 0x0A }, + { 0x030B, 0x01 }, + { 0x030D, 0x02 }, + { 0x030E, 0x00 }, + { 0x030F, 0xD8 }, + { 0x0310, 0x00 }, + { 0x0820, 0x0A }, + { 0x0821, 0x00 }, + { 0x0822, 0x00 }, + { 0x0823, 0x00 }, +}; + static const struct imx258_reg mode_common_regs[] = { - { 0x0136, 0x13 }, - { 0x0137, 0x33 }, { 0x3051, 0x00 }, { 0x3052, 0x00 }, { 0x4E21, 0x14 }, @@ -313,10 +352,6 @@ static const char * const imx258_supply_name[] = { #define IMX258_NUM_SUPPLIES ARRAY_SIZE(imx258_supply_name) -/* Configurations for supported link frequencies */ -#define IMX258_LINK_FREQ_634MHZ 633600000ULL -#define IMX258_LINK_FREQ_320MHZ 320000000ULL - enum { IMX258_LINK_FREQ_1267MBPS, IMX258_LINK_FREQ_640MBPS, @@ -335,25 +370,55 @@ static u64 link_freq_to_pixel_rate(u64 f) } /* Menu items for LINK_FREQ V4L2 control */ -static const s64 link_freq_menu_items[] = { +/* Configurations for supported link frequencies */ +#define IMX258_LINK_FREQ_634MHZ 633600000ULL +#define IMX258_LINK_FREQ_320MHZ 320000000ULL + +static const s64 link_freq_menu_items_19_2[] = { IMX258_LINK_FREQ_634MHZ, IMX258_LINK_FREQ_320MHZ, }; +/* Configurations for supported link frequencies */ +#define IMX258_LINK_FREQ_636MHZ 636000000ULL +#define IMX258_LINK_FREQ_321MHZ 321000000ULL + +static const s64 link_freq_menu_items_24[] = { + IMX258_LINK_FREQ_636MHZ, + IMX258_LINK_FREQ_321MHZ, +}; + /* Link frequency configs */ -static const struct imx258_link_freq_config link_freq_configs[] = { +static const struct imx258_link_freq_config link_freq_configs_19_2[] = { [IMX258_LINK_FREQ_1267MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, .reg_list = { - .num_of_regs = ARRAY_SIZE(mipi_data_rate_1267mbps), - .regs = mipi_data_rate_1267mbps, + .num_of_regs = ARRAY_SIZE(mipi_1267mbps_19_2mhz), + .regs = mipi_1267mbps_19_2mhz, } }, [IMX258_LINK_FREQ_640MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, .reg_list = { - .num_of_regs = ARRAY_SIZE(mipi_data_rate_640mbps), - .regs = mipi_data_rate_640mbps, + .num_of_regs = ARRAY_SIZE(mipi_640mbps_19_2mhz), + .regs = mipi_640mbps_19_2mhz, + } + }, +}; + +static const struct imx258_link_freq_config link_freq_configs_24[] = { + [IMX258_LINK_FREQ_1267MBPS] = { + .pixels_per_line = IMX258_PPL_DEFAULT, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mipi_1272mbps_24mhz), + .regs = mipi_1272mbps_24mhz, + } + }, + [IMX258_LINK_FREQ_640MBPS] = { + .pixels_per_line = IMX258_PPL_DEFAULT, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mipi_642mbps_24mhz), + .regs = mipi_642mbps_24mhz, } }, }; @@ -410,6 +475,9 @@ struct imx258 { /* Current mode */ const struct imx258_mode *cur_mode; + const struct imx258_link_freq_config *link_freq_configs; + const s64 *link_freq_menu_items; + /* * Mutex for serialized access: * Protect sensor module set pad format and start/stop streaming safely. @@ -713,7 +781,7 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, imx258->cur_mode = mode; __v4l2_ctrl_s_ctrl(imx258->link_freq, mode->link_freq_index); - link_freq = link_freq_menu_items[mode->link_freq_index]; + link_freq = imx258->link_freq_menu_items[mode->link_freq_index]; pixel_rate = link_freq_to_pixel_rate(link_freq); __v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate, pixel_rate); /* Update limits and set FPS to default */ @@ -727,7 +795,7 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, vblank_def); __v4l2_ctrl_s_ctrl(imx258->vblank, vblank_def); h_blank = - link_freq_configs[mode->link_freq_index].pixels_per_line + imx258->link_freq_configs[mode->link_freq_index].pixels_per_line - imx258->cur_mode->width; __v4l2_ctrl_modify_range(imx258->hblank, h_blank, h_blank, 1, h_blank); @@ -747,7 +815,7 @@ static int imx258_start_streaming(struct imx258 *imx258) /* Setup PLL */ link_freq_index = imx258->cur_mode->link_freq_index; - reg_list = &link_freq_configs[link_freq_index].reg_list; + reg_list = &imx258->link_freq_configs[link_freq_index].reg_list; ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs); if (ret) { dev_err(&client->dev, "%s failed to set plls\n", __func__); @@ -946,9 +1014,9 @@ static int imx258_init_controls(struct imx258 *imx258) imx258->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx258_ctrl_ops, V4L2_CID_LINK_FREQ, - ARRAY_SIZE(link_freq_menu_items) - 1, + ARRAY_SIZE(link_freq_menu_items_19_2) - 1, 0, - link_freq_menu_items); + imx258->link_freq_menu_items); if (imx258->link_freq) imx258->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; @@ -964,8 +1032,10 @@ static int imx258_init_controls(struct imx258 *imx258) if (vflip) vflip->flags |= V4L2_CTRL_FLAG_READ_ONLY; - pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]); - pixel_rate_min = link_freq_to_pixel_rate(link_freq_menu_items[1]); + pixel_rate_max = + link_freq_to_pixel_rate(imx258->link_freq_menu_items[0]); + pixel_rate_min = + link_freq_to_pixel_rate(imx258->link_freq_menu_items[1]); /* By default, PIXEL_RATE is read only */ imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, V4L2_CID_PIXEL_RATE, @@ -1086,8 +1156,19 @@ static int imx258_probe(struct i2c_client *client) } else { val = clk_get_rate(imx258->clk); } - if (val != IMX258_INPUT_CLOCK_FREQ) { - dev_err(&client->dev, "input clock frequency not supported\n"); + + switch (val) { + case 19200000: + imx258->link_freq_configs = link_freq_configs_19_2; + imx258->link_freq_menu_items = link_freq_menu_items_19_2; + break; + case 24000000: + imx258->link_freq_configs = link_freq_configs_24; + imx258->link_freq_menu_items = link_freq_menu_items_24; + break; + default: + dev_err(&client->dev, "input clock frequency of %u not supported\n", + val); return -EINVAL; } From patchwork Wed Mar 27 23:16:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607693 Received: from mail-108-mta79.mxroute.com (mail-108-mta79.mxroute.com [136.175.108.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B60EA155734 for ; Wed, 27 Mar 2024 23:22:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.79 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581767; cv=none; b=p2fpBV27p0FkdtQpO271lPFVuvJLQQREoQhat2E8ZinJChmsVEgEFXzVmNe54o4aLgfTornPNTn+xc3NxEvNO5Uxm7CVrAvGIRoxS5uflmeoMZBvaL3doTQnaPFIfrdk5FbZ/hu8+YwRfUs/BZS2clIpFrUpcB6oPj7gcUCFpJA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581767; c=relaxed/simple; bh=NA4X1r1+uHBdhIRfrPTtAP2uPVsX5ISROQaTF9/cHho=; 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Wed, 27 Mar 2024 23:17:35 +0000 X-Zone-Loop: dfc98ff3ba8a0f06c6cbd6bd9b93653013a2786b5738 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=JSVvy6qYqNREABJ9B24Hgd/994IGZ+daMOMn7F0GMDk=; b=NTkh79fo6/bKHCu4GpZvLp3Hpe l9frUrwgAnwuinubKx3obETrKYZuz5JOfYji2sCkcXt7caK77m6UKA4dzXyZnfdcUqWJBmkcrSTyJ mLZbBcjaroD7UlGhpX5qeyrxml/Jtf05Q5R94alc/aeWFJtQR0K8/A1GR9NiIkZtht5uGYYuh+sld NUUlRbjIL/+oAiGjzVxA/ww5TK0H2mzRtt9anHbzNQCo/yL9paQzYFAAOWolpJ4as/HqtCYxJed0d k6Vd9fUXEnZM8ltjqAklK6ePqI8TA8m+VYYtOMA3hAIy97JQlLuU6Lluo3GLyaeR2/yE+RwQAfeqy +HKQZmuw==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 09/23] media: i2c: imx258: Add support for running on 2 CSI data lanes Date: Wed, 27 Mar 2024 17:16:55 -0600 Message-ID: <20240327231710.53188-10-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson Extends the driver to also support 2 data lanes. Frame rates are obviously more restricted on 2 lanes, but some hardware simply hasn't wired more up. Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 --- drivers/media/i2c/imx258.c | 214 ++++++++++++++++++++++++++++++++----- 1 file changed, 190 insertions(+), 24 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 6ee7de079454..c65b9aad3b0a 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -86,12 +86,18 @@ struct imx258_reg_list { const struct imx258_reg *regs; }; +enum { + IMX258_2_LANE_MODE, + IMX258_4_LANE_MODE, + IMX258_LANE_CONFIGS, +}; + /* Link frequency config */ struct imx258_link_freq_config { u32 pixels_per_line; /* PLL registers for this link frequency */ - struct imx258_reg_list reg_list; + struct imx258_reg_list reg_list[IMX258_LANE_CONFIGS]; }; /* Mode : resolution and related config&values */ @@ -111,8 +117,34 @@ struct imx258_mode { struct imx258_reg_list reg_list; }; -/* 4208x3120 needs 1267Mbps/lane, 4 lanes */ -static const struct imx258_reg mipi_1267mbps_19_2mhz[] = { +/* + * 4208x3120 @ 30 fps needs 1267Mbps/lane, 4 lanes. + * To avoid further computation of clock settings, adopt the same per + * lane data rate when using 2 lanes, thus allowing a maximum of 15fps. + */ +static const struct imx258_reg mipi_1267mbps_19_2mhz_2l[] = { + { 0x0136, 0x13 }, + { 0x0137, 0x33 }, + { 0x0301, 0x0A }, + { 0x0303, 0x02 }, + { 0x0305, 0x03 }, + { 0x0306, 0x00 }, + { 0x0307, 0xC6 }, + { 0x0309, 0x0A }, + { 0x030B, 0x01 }, + { 0x030D, 0x02 }, + { 0x030E, 0x00 }, + { 0x030F, 0xD8 }, + { 0x0310, 0x00 }, + + { 0x0114, 0x01 }, + { 0x0820, 0x09 }, + { 0x0821, 0xa6 }, + { 0x0822, 0x66 }, + { 0x0823, 0x66 }, +}; + +static const struct imx258_reg mipi_1267mbps_19_2mhz_4l[] = { { 0x0136, 0x13 }, { 0x0137, 0x33 }, { 0x0301, 0x05 }, @@ -126,16 +158,18 @@ static const struct imx258_reg mipi_1267mbps_19_2mhz[] = { { 0x030E, 0x00 }, { 0x030F, 0xD8 }, { 0x0310, 0x00 }, + + { 0x0114, 0x03 }, { 0x0820, 0x13 }, { 0x0821, 0x4C }, { 0x0822, 0xCC }, { 0x0823, 0xCC }, }; -static const struct imx258_reg mipi_1272mbps_24mhz[] = { +static const struct imx258_reg mipi_1272mbps_24mhz_2l[] = { { 0x0136, 0x18 }, { 0x0137, 0x00 }, - { 0x0301, 0x05 }, + { 0x0301, 0x0a }, { 0x0303, 0x02 }, { 0x0305, 0x04 }, { 0x0306, 0x00 }, @@ -146,13 +180,59 @@ static const struct imx258_reg mipi_1272mbps_24mhz[] = { { 0x030E, 0x00 }, { 0x030F, 0xD8 }, { 0x0310, 0x00 }, + + { 0x0114, 0x01 }, { 0x0820, 0x13 }, { 0x0821, 0x4C }, { 0x0822, 0xCC }, { 0x0823, 0xCC }, }; -static const struct imx258_reg mipi_640mbps_19_2mhz[] = { +static const struct imx258_reg mipi_1272mbps_24mhz_4l[] = { + { 0x0136, 0x18 }, + { 0x0137, 0x00 }, + { 0x0301, 0x05 }, + { 0x0303, 0x02 }, + { 0x0305, 0x04 }, + { 0x0306, 0x00 }, + { 0x0307, 0xD4 }, + { 0x0309, 0x0A }, + { 0x030B, 0x01 }, + { 0x030D, 0x02 }, + { 0x030E, 0x00 }, + { 0x030F, 0xD8 }, + { 0x0310, 0x00 }, + + { 0x0114, 0x03 }, + { 0x0820, 0x13 }, + { 0x0821, 0xE0 }, + { 0x0822, 0x00 }, + { 0x0823, 0x00 }, +}; + +static const struct imx258_reg mipi_640mbps_19_2mhz_2l[] = { + { 0x0136, 0x13 }, + { 0x0137, 0x33 }, + { 0x0301, 0x05 }, + { 0x0303, 0x02 }, + { 0x0305, 0x03 }, + { 0x0306, 0x00 }, + { 0x0307, 0x64 }, + { 0x0309, 0x0A }, + { 0x030B, 0x01 }, + { 0x030D, 0x02 }, + { 0x030E, 0x00 }, + { 0x030F, 0xD8 }, + { 0x0310, 0x00 }, + + { 0x0114, 0x01 }, + { 0x0820, 0x05 }, + { 0x0821, 0x00 }, + { 0x0822, 0x00 }, + { 0x0823, 0x00 }, +}; + +static const struct imx258_reg mipi_640mbps_19_2mhz_4l[] = { { 0x0136, 0x13 }, { 0x0137, 0x33 }, { 0x0301, 0x05 }, @@ -166,13 +246,37 @@ static const struct imx258_reg mipi_640mbps_19_2mhz[] = { { 0x030E, 0x00 }, { 0x030F, 0xD8 }, { 0x0310, 0x00 }, + + { 0x0114, 0x03 }, + { 0x0820, 0x0A }, + { 0x0821, 0x00 }, + { 0x0822, 0x00 }, + { 0x0823, 0x00 }, +}; + +static const struct imx258_reg mipi_642mbps_24mhz_2l[] = { + { 0x0136, 0x18 }, + { 0x0137, 0x00 }, + { 0x0301, 0x0A }, + { 0x0303, 0x02 }, + { 0x0305, 0x04 }, + { 0x0306, 0x00 }, + { 0x0307, 0x6B }, + { 0x0309, 0x0A }, + { 0x030B, 0x01 }, + { 0x030D, 0x02 }, + { 0x030E, 0x00 }, + { 0x030F, 0xD8 }, + { 0x0310, 0x00 }, + + { 0x0114, 0x01 }, { 0x0820, 0x0A }, { 0x0821, 0x00 }, { 0x0822, 0x00 }, { 0x0823, 0x00 }, }; -static const struct imx258_reg mipi_642mbps_24mhz[] = { +static const struct imx258_reg mipi_642mbps_24mhz_4l[] = { { 0x0136, 0x18 }, { 0x0137, 0x00 }, { 0x0301, 0x05 }, @@ -186,6 +290,8 @@ static const struct imx258_reg mipi_642mbps_24mhz[] = { { 0x030E, 0x00 }, { 0x030F, 0xD8 }, { 0x0310, 0x00 }, + + { 0x0114, 0x03 }, { 0x0820, 0x0A }, { 0x0821, 0x00 }, { 0x0822, 0x00 }, @@ -240,7 +346,6 @@ static const struct imx258_reg mode_common_regs[] = { { 0x5F05, 0xED }, { 0x0112, 0x0A }, { 0x0113, 0x0A }, - { 0x0114, 0x03 }, { 0x0342, 0x14 }, { 0x0343, 0xE8 }, { 0x0344, 0x00 }, @@ -359,11 +464,13 @@ enum { /* * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample - * data rate => double data rate; number of lanes => 4; bits per pixel => 10 + * data rate => double data rate; + * number of lanes => (configurable 2 or 4); + * bits per pixel => 10 */ -static u64 link_freq_to_pixel_rate(u64 f) +static u64 link_freq_to_pixel_rate(u64 f, unsigned int nlanes) { - f *= 2 * 4; + f *= 2 * nlanes; do_div(f, 10); return f; @@ -393,15 +500,27 @@ static const struct imx258_link_freq_config link_freq_configs_19_2[] = { [IMX258_LINK_FREQ_1267MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, .reg_list = { - .num_of_regs = ARRAY_SIZE(mipi_1267mbps_19_2mhz), - .regs = mipi_1267mbps_19_2mhz, + [IMX258_2_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_1267mbps_19_2mhz_2l), + .regs = mipi_1267mbps_19_2mhz_2l, + }, + [IMX258_4_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_1267mbps_19_2mhz_4l), + .regs = mipi_1267mbps_19_2mhz_4l, + }, } }, [IMX258_LINK_FREQ_640MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, .reg_list = { - .num_of_regs = ARRAY_SIZE(mipi_640mbps_19_2mhz), - .regs = mipi_640mbps_19_2mhz, + [IMX258_2_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_640mbps_19_2mhz_2l), + .regs = mipi_640mbps_19_2mhz_2l, + }, + [IMX258_4_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_640mbps_19_2mhz_4l), + .regs = mipi_640mbps_19_2mhz_4l, + }, } }, }; @@ -410,15 +529,27 @@ static const struct imx258_link_freq_config link_freq_configs_24[] = { [IMX258_LINK_FREQ_1267MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, .reg_list = { - .num_of_regs = ARRAY_SIZE(mipi_1272mbps_24mhz), - .regs = mipi_1272mbps_24mhz, + [IMX258_2_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_1272mbps_24mhz_2l), + .regs = mipi_1272mbps_24mhz_2l, + }, + [IMX258_4_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_1272mbps_24mhz_4l), + .regs = mipi_1272mbps_24mhz_4l, + }, } }, [IMX258_LINK_FREQ_640MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, .reg_list = { - .num_of_regs = ARRAY_SIZE(mipi_642mbps_24mhz), - .regs = mipi_642mbps_24mhz, + [IMX258_2_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_642mbps_24mhz_2l), + .regs = mipi_642mbps_24mhz_2l, + }, + [IMX258_4_LANE_MODE] = { + .num_of_regs = ARRAY_SIZE(mipi_642mbps_24mhz_4l), + .regs = mipi_642mbps_24mhz_4l, + }, } }, }; @@ -477,6 +608,7 @@ struct imx258 { const struct imx258_link_freq_config *link_freq_configs; const s64 *link_freq_menu_items; + unsigned int nlanes; /* * Mutex for serialized access: @@ -782,7 +914,7 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, __v4l2_ctrl_s_ctrl(imx258->link_freq, mode->link_freq_index); link_freq = imx258->link_freq_menu_items[mode->link_freq_index]; - pixel_rate = link_freq_to_pixel_rate(link_freq); + pixel_rate = link_freq_to_pixel_rate(link_freq, imx258->nlanes); __v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate, pixel_rate); /* Update limits and set FPS to default */ vblank_def = imx258->cur_mode->vts_def - @@ -811,11 +943,13 @@ static int imx258_start_streaming(struct imx258 *imx258) { struct i2c_client *client = v4l2_get_subdevdata(&imx258->sd); const struct imx258_reg_list *reg_list; + const struct imx258_link_freq_config *link_freq_cfg; int ret, link_freq_index; /* Setup PLL */ link_freq_index = imx258->cur_mode->link_freq_index; - reg_list = &imx258->link_freq_configs[link_freq_index].reg_list; + link_freq_cfg = &imx258->link_freq_configs[link_freq_index]; + reg_list = &link_freq_cfg->reg_list[imx258->nlanes == 2 ? 0 : 1]; ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs); if (ret) { dev_err(&client->dev, "%s failed to set plls\n", __func__); @@ -1033,9 +1167,11 @@ static int imx258_init_controls(struct imx258 *imx258) vflip->flags |= V4L2_CTRL_FLAG_READ_ONLY; pixel_rate_max = - link_freq_to_pixel_rate(imx258->link_freq_menu_items[0]); + link_freq_to_pixel_rate(imx258->link_freq_menu_items[0], + imx258->nlanes); pixel_rate_min = - link_freq_to_pixel_rate(imx258->link_freq_menu_items[1]); + link_freq_to_pixel_rate(imx258->link_freq_menu_items[1], + imx258->nlanes); /* By default, PIXEL_RATE is read only */ imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, V4L2_CID_PIXEL_RATE, @@ -1132,6 +1268,10 @@ static int imx258_get_regulators(struct imx258 *imx258, static int imx258_probe(struct i2c_client *client) { struct imx258 *imx258; + struct fwnode_handle *endpoint; + struct v4l2_fwnode_endpoint ep = { + .bus_type = V4L2_MBUS_CSI2_DPHY + }; int ret; u32 val = 0; @@ -1172,13 +1312,35 @@ static int imx258_probe(struct i2c_client *client) return -EINVAL; } + endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); + if (!endpoint) { + dev_err(&client->dev, "Endpoint node not found\n"); + return -EINVAL; + } + + ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep); + fwnode_handle_put(endpoint); + if (ret) { + dev_err(&client->dev, "Parsing endpoint node failed\n"); + return ret; + } + + /* Get number of data lanes */ + imx258->nlanes = ep.bus.mipi_csi2.num_data_lanes; + if (imx258->nlanes != 2 && imx258->nlanes != 4) { + dev_err(&client->dev, "Invalid data lanes: %u\n", + imx258->nlanes); + ret = -EINVAL; + goto error_endpoint_free; + } + /* Initialize subdev */ v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops); /* Will be powered off via pm_runtime_idle */ ret = imx258_power_on(&client->dev); if (ret) - return ret; + goto error_endpoint_free; /* Check module identity */ ret = imx258_identify_module(imx258); @@ -1211,6 +1373,7 @@ static int imx258_probe(struct i2c_client *client) pm_runtime_set_active(&client->dev); pm_runtime_enable(&client->dev); pm_runtime_idle(&client->dev); + v4l2_fwnode_endpoint_free(&ep); return 0; @@ -1223,6 +1386,9 @@ static int imx258_probe(struct i2c_client *client) error_identify: imx258_power_off(&client->dev); +error_endpoint_free: + v4l2_fwnode_endpoint_free(&ep); + return ret; } From patchwork Wed Mar 27 23:16:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607696 Received: from mail-108-mta60.mxroute.com (mail-108-mta60.mxroute.com [136.175.108.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7AB3F153802 for ; Wed, 27 Mar 2024 23:22:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="LR/pr/hd" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta60.mxroute.com (ZoneMTA) with ESMTPSA id 18e8234741b0003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:39 +0000 X-Zone-Loop: ca33e32a544b045392abe341447e95bea04a1a32a342 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Wfd3IM9yvSlmOOZPNTkn/UcYNYLQj3XQ9wKwbMSeFFA=; b=LR/pr/hdDf/T3GTNGYXS+y6rBl 5y9PzVXxJy1PDIf+IK31ZEVYkEVmOxaT2/N1x6hYlVMCQ3P5Jbx7DzKQ6bTa5zXctSrCR9bzy71wF jdWdIrN/3K14luv/kgu8JjkFpz3d0oX5yLYjJ6zyzCHCHHVC0qVhML3+4UOG9DuPCpGEkYOAj6/sq P0WftRtoeGDcrh5/8Vx8nLHk3S8hZdowl7HJMXR+VXRuGAtwTioxKfwFifrEXzoJYEKGteC9PrPpw VVqk+Y5QnueNqwbVM2E/oe+mMW66fBo+f6GWl3vnorfQRfYKTa7qpcsTTvQQaJW6Q2rM01gnzWOEF 6rYt0BEg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 10/23] media: i2c: imx258: Follow normal V4L2 behaviours for clipping exposure Date: Wed, 27 Mar 2024 17:16:56 -0600 Message-ID: <20240327231710.53188-11-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson V4L2 sensor drivers are expected are expected to clip the supported exposure range based on the VBLANK configured. IMX258 wasn't doing that as register 0x350 (FRM_LENGTH_CTL) switches it to a mode where frame length tracks coarse exposure time. Disable this mode and clip the range for V4L2_CID_EXPOSURE appropriately based on V4L2_CID_VBLANK. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index c65b9aad3b0a..1f5fb980cfbe 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -37,10 +37,11 @@ /* Exposure control */ #define IMX258_REG_EXPOSURE 0x0202 +#define IMX258_EXPOSURE_OFFSET 10 #define IMX258_EXPOSURE_MIN 4 #define IMX258_EXPOSURE_STEP 1 #define IMX258_EXPOSURE_DEFAULT 0x640 -#define IMX258_EXPOSURE_MAX 65535 +#define IMX258_EXPOSURE_MAX (IMX258_VTS_MAX - IMX258_EXPOSURE_OFFSET) /* Analog gain control */ #define IMX258_REG_ANALOG_GAIN 0x0204 @@ -371,7 +372,7 @@ static const struct imx258_reg mode_common_regs[] = { { 0x303A, 0x00 }, { 0x303B, 0x10 }, { 0x300D, 0x00 }, - { 0x0350, 0x01 }, + { 0x0350, 0x00 }, { 0x0204, 0x00 }, { 0x0205, 0x00 }, { 0x020E, 0x01 }, @@ -741,6 +742,19 @@ static int imx258_update_digital_gain(struct imx258 *imx258, u32 len, u32 val) return 0; } +static void imx258_adjust_exposure_range(struct imx258 *imx258) +{ + int exposure_max, exposure_def; + + /* Honour the VBLANK limits when setting exposure. */ + exposure_max = imx258->cur_mode->height + imx258->vblank->val - + IMX258_EXPOSURE_OFFSET; + exposure_def = min(exposure_max, imx258->exposure->val); + __v4l2_ctrl_modify_range(imx258->exposure, imx258->exposure->minimum, + exposure_max, imx258->exposure->step, + exposure_def); +} + static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) { struct imx258 *imx258 = @@ -748,6 +762,13 @@ static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) struct i2c_client *client = v4l2_get_subdevdata(&imx258->sd); int ret = 0; + /* + * The VBLANK control may change the limits of usable exposure, so check + * and adjust if necessary. + */ + if (ctrl->id == V4L2_CID_VBLANK) + imx258_adjust_exposure_range(imx258); + /* * Applying V4L2 control value only happens * when power is up for streaming From patchwork Wed Mar 27 23:16:57 2024 Content-Type: text/plain; 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Wed, 27 Mar 2024 23:17:39 +0000 X-Zone-Loop: d62fe3e8cba862e0a99c22bcc32f068fe26ceb3e8dc5 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=KTzgM/Hg/qDUQABeevstUkAZjkMCak0+N7cZAxmCg3o=; b=jjSDi0apZwodL/ENrPR2nIWVBK 0YJHaHEqGP2vIlEsZWNEvBhXySz5pt+VvjrFo31pqxt/X8hmZyokc5Vu06BUpmk+PJc198ZrE9O5F LB0DHgUix/P0IVmDDGM7437z/dGiXanogqUOPy5W3hXm0xSkkgj1Qh0OlUYnwU/p6SuumnxEuaUyl CicIVvuADexow2WYWq9ghTX4kwPZ52dAEMajoOyoFIfeu66c9kgEf8832g+9sZDCEIJMIzaMxSbl1 PqafgWgTf3DlA+8e/qIPl0XkIXVL+scReX9jB5gLX9sU1Lne3DSSjO/qOIjRAv/oe2riA6lww60w5 eFuUM5PQ==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 11/23] media: i2c: imx258: Add get_selection for pixel array information Date: Wed, 27 Mar 2024 17:16:57 -0600 Message-ID: <20240327231710.53188-12-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson Libcamera requires the cropping information for each mode, so add this information to the driver. Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 90 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 1f5fb980cfbe..979ac7872249 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -77,6 +77,14 @@ #define REG_CONFIG_MIRROR_FLIP 0x03 #define REG_CONFIG_FLIP_TEST_PATTERN 0x02 +/* IMX258 native and active pixel array size. */ +#define IMX258_NATIVE_WIDTH 4224U +#define IMX258_NATIVE_HEIGHT 3192U +#define IMX258_PIXEL_ARRAY_LEFT 8U +#define IMX258_PIXEL_ARRAY_TOP 16U +#define IMX258_PIXEL_ARRAY_WIDTH 4208U +#define IMX258_PIXEL_ARRAY_HEIGHT 3120U + struct imx258_reg { u16 address; u8 val; @@ -116,6 +124,9 @@ struct imx258_mode { u32 link_freq_index; /* Default register values */ struct imx258_reg_list reg_list; + + /* Analog crop rectangle. */ + struct v4l2_rect crop; }; /* @@ -567,6 +578,12 @@ static const struct imx258_mode supported_modes[] = { .regs = mode_4208x3120_regs, }, .link_freq_index = IMX258_LINK_FREQ_1267MBPS, + .crop = { + .left = IMX258_PIXEL_ARRAY_LEFT, + .top = IMX258_PIXEL_ARRAY_TOP, + .width = 4208, + .height = 3120, + }, }, { .width = 2104, @@ -578,6 +595,12 @@ static const struct imx258_mode supported_modes[] = { .regs = mode_2104_1560_regs, }, .link_freq_index = IMX258_LINK_FREQ_640MBPS, + .crop = { + .left = IMX258_PIXEL_ARRAY_LEFT, + .top = IMX258_PIXEL_ARRAY_TOP, + .width = 4208, + .height = 3120, + }, }, { .width = 1048, @@ -589,6 +612,12 @@ static const struct imx258_mode supported_modes[] = { .regs = mode_1048_780_regs, }, .link_freq_index = IMX258_LINK_FREQ_640MBPS, + .crop = { + .left = IMX258_PIXEL_ARRAY_LEFT, + .top = IMX258_PIXEL_ARRAY_TOP, + .width = 4208, + .height = 3120, + }, }, }; @@ -705,6 +734,7 @@ static int imx258_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { struct v4l2_mbus_framefmt *try_fmt = v4l2_subdev_state_get_format(fh->state, 0); + struct v4l2_rect *try_crop; /* Initialize try_fmt */ try_fmt->width = supported_modes[0].width; @@ -712,6 +742,13 @@ static int imx258_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) try_fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10; try_fmt->field = V4L2_FIELD_NONE; + /* Initialize try_crop */ + try_crop = v4l2_subdev_state_get_crop(fh->state, 0); + try_crop->left = IMX258_PIXEL_ARRAY_LEFT; + try_crop->top = IMX258_PIXEL_ARRAY_TOP; + try_crop->width = IMX258_PIXEL_ARRAY_WIDTH; + try_crop->height = IMX258_PIXEL_ARRAY_HEIGHT; + return 0; } @@ -959,6 +996,58 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, return 0; } +static const struct v4l2_rect * +__imx258_get_pad_crop(struct imx258 *imx258, + struct v4l2_subdev_state *sd_state, + unsigned int pad, enum v4l2_subdev_format_whence which) +{ + switch (which) { + case V4L2_SUBDEV_FORMAT_TRY: + return v4l2_subdev_state_get_crop(sd_state, pad); + case V4L2_SUBDEV_FORMAT_ACTIVE: + return &imx258->cur_mode->crop; + } + + return NULL; +} + +static int imx258_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_selection *sel) +{ + switch (sel->target) { + case V4L2_SEL_TGT_CROP: { + struct imx258 *imx258 = to_imx258(sd); + + mutex_lock(&imx258->mutex); + sel->r = *__imx258_get_pad_crop(imx258, sd_state, sel->pad, + sel->which); + mutex_unlock(&imx258->mutex); + + return 0; + } + + case V4L2_SEL_TGT_NATIVE_SIZE: + sel->r.left = 0; + sel->r.top = 0; + sel->r.width = IMX258_NATIVE_WIDTH; + sel->r.height = IMX258_NATIVE_HEIGHT; + + return 0; + + case V4L2_SEL_TGT_CROP_DEFAULT: + case V4L2_SEL_TGT_CROP_BOUNDS: + sel->r.left = IMX258_PIXEL_ARRAY_LEFT; + sel->r.top = IMX258_PIXEL_ARRAY_TOP; + sel->r.width = IMX258_PIXEL_ARRAY_WIDTH; + sel->r.height = IMX258_PIXEL_ARRAY_HEIGHT; + + return 0; + } + + return -EINVAL; +} + /* Start streaming */ static int imx258_start_streaming(struct imx258 *imx258) { @@ -1135,6 +1224,7 @@ static const struct v4l2_subdev_pad_ops imx258_pad_ops = { .get_fmt = imx258_get_pad_format, .set_fmt = imx258_set_pad_format, .enum_frame_size = imx258_enum_frame_size, + .get_selection = imx258_get_selection, }; static const struct v4l2_subdev_ops imx258_subdev_ops = { From patchwork Wed Mar 27 23:16:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607664 Received: from mail-108-mta86.mxroute.com (mail-108-mta86.mxroute.com [136.175.108.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E0A0A154BE3 for ; Wed, 27 Mar 2024 23:17:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.86 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581470; cv=none; b=rImRPx95jNy7gmZ770XoZi8rsJ709lwaNgp+hnF5x+IUFU897g+RGO15Wp8yl7fx2GqtxNNCsumGDIXjfDL1vmUUm3x0YDVnZh0XwpHuulOlDxIeBLOaFJqUi0OPNyaqgpZU8OPI3wf5u4gpI+3qFcUqQoRR6ul6jynOS80Rbuo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581470; 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Wed, 27 Mar 2024 23:17:40 +0000 X-Zone-Loop: 1ec8ebc557e712af2f2454e58c4914e098d2947c97d8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=tzcV6O++Ljt/ASIa7w8Ii7uMMQ256AACbEeevdXTGDg=; b=djhh2rrX3hxdfDjlQEENfp23cx zokz16x08OytLp/F1wdlcqU2RMg/d6ljHM9/UscMtrhOQH3XMvFqh3EdW/chepAH+ap4f5irAuv0K tvA31jQwWZWGyHcuzZspjStuLSqejaIsMtFJM8i3vHgxZelEm0Tp4kAM45hPYl0nuE8vralmqQdfc MPooWcU9DOPe5tZ6K6FnqEWVdb1HaR9M1HTY8Kx3Sg77LKiSCPoqBxGcShT3B2RELa/JIID+Q5FV0 xH2QuutihoPfJWdDSKUU5nPif9uuElSX/qtUpZlUzEX7M4keU8PDGvF+a+XGsvrIKoSUK2ynMDePa Y7G5zxHw==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 12/23] media: i2c: imx258: Allow configuration of clock lane behaviour Date: Wed, 27 Mar 2024 17:16:58 -0600 Message-ID: <20240327231710.53188-13-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The sensor supports the clock lane either remaining in HS mode during frame blanking, or dropping to LP11. Add configuration of the mode via V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 979ac7872249..85c2f1ccaea1 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -72,6 +72,8 @@ /* Test Pattern Control */ #define IMX258_REG_TEST_PATTERN 0x0600 +#define IMX258_CLK_BLANK_STOP 0x4040 + /* Orientation */ #define REG_MIRROR_FLIP_CONTROL 0x0101 #define REG_CONFIG_MIRROR_FLIP 0x03 @@ -639,6 +641,7 @@ struct imx258 { const struct imx258_link_freq_config *link_freq_configs; const s64 *link_freq_menu_items; unsigned int nlanes; + unsigned int csi2_flags; /* * Mutex for serialized access: @@ -1073,6 +1076,15 @@ static int imx258_start_streaming(struct imx258 *imx258) return ret; } + ret = imx258_write_reg(imx258, IMX258_CLK_BLANK_STOP, + IMX258_REG_VALUE_08BIT, + imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK ? + 1 : 0); + if (ret) { + dev_err(&client->dev, "%s failed to set clock lane mode\n", __func__); + return ret; + } + /* Apply default values of current mode */ reg_list = &imx258->cur_mode->reg_list; ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs); @@ -1445,6 +1457,8 @@ static int imx258_probe(struct i2c_client *client) goto error_endpoint_free; } + imx258->csi2_flags = ep.bus.mipi_csi2.flags; + /* Initialize subdev */ v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops); From patchwork Wed Mar 27 23:16:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607695 Received: from mail-108-mta100.mxroute.com (mail-108-mta100.mxroute.com [136.175.108.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 819A2154C05 for ; Wed, 27 Mar 2024 23:22:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.100 ARC-Seal: i=1; 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From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 13/23] media: i2c: imx258: Correct max FRM_LENGTH_LINES value Date: Wed, 27 Mar 2024 17:16:59 -0600 Message-ID: <20240327231710.53188-14-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The data sheet states that the maximum value for registers 0x0340/0x0341 FRM_LENGTH_LINES is 65525(decimal), not the 0xFFFF defined in this driver. Correct this limit. Signed-off-by: Dave Stevenson Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 85c2f1ccaea1..c2c5e819ddc0 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -28,7 +28,7 @@ #define IMX258_VTS_30FPS 0x0c50 #define IMX258_VTS_30FPS_2K 0x0638 #define IMX258_VTS_30FPS_VGA 0x034c -#define IMX258_VTS_MAX 0xffff +#define IMX258_VTS_MAX 65525 #define IMX258_REG_VTS 0x0340 From patchwork Wed Mar 27 23:17:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607665 Received: from mail-108-mta142.mxroute.com (mail-108-mta142.mxroute.com [136.175.108.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E440A154BEA for ; Wed, 27 Mar 2024 23:17:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581470; cv=none; b=RPTyZBSRBRI7vaHO02fiI6PSXzDUSs2dZIQhxjVKhc78GNG2bgDrezJoNvR13QU7hLycT9eF53K7qEmcGspN7YppgsdJeQsDvHc+yLoq4Wyq/MbOSKaCYoKffkq04C7wew8WLJ9quhxD8ACmw5DaQ+ozdrm2RhfpVS5kV1q9pl8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581470; c=relaxed/simple; bh=6+2wz7C48VzI3IyZhlih65O+oIcytRh3P8S1DW3VqYU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=B1VfLRhz8ai/cOG8PeS7Vafyqgr5bnH0kJd2/kqTtC2YrKjkUAHaSu7C87jQvY1KVJZ6r1gZP45sJ1xYJnfehp6mK46J668nfSI03dGHbDyq2XbEJJri9JY0Fwo3pduzgwJ1bk58vLuE5VtpAp9PoiXMwN0U0yr9EKPf/QSc/B8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=HJ1eg5oN; arc=none smtp.client-ip=136.175.108.142 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="HJ1eg5oN" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta142.mxroute.com (ZoneMTA) with ESMTPSA id 18e823488ac0003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:44 +0000 X-Zone-Loop: 1d3514ca4d3736d6f5a40b426c854684883a05f2424b DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=MWmmMzvpB7rAQwa1TAxwPfh+Zj5RVzbFzB4BAQpgxHA=; b=HJ1eg5oNFBw6ptNnK6DZzTUMzV eizEzmCukzFA5ZssZ1MdX5BAte3cGofJ/hqCj6uVuVQxWdTOIcAB6FGDKE420+IytRo4HNswQy6FN QQADfHQLAFNW88ni8/35rUCXtevGG3wkSdJK5pAfyDJMbTpTd5RI3/bhay2IZ3FQA7bkxvabqSlx+ Yu2Gy8YQnWQauI3NjagAnxbq/LJlYm3VrFd3rVRaiTMrMnUvrTzeCLfwdC1qakl1Y3LHSgiGoJFVH CxcosMAqcgoF1xgeaL3Js5On987dUVbavhEkf4YpNn4jsogebyYaEjxb3q9lwlbmMvhrJAiok8oFr EOelcVUg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 14/23] media: i2c: imx258: Issue reset before starting streaming Date: Wed, 27 Mar 2024 17:17:00 -0600 Message-ID: <20240327231710.53188-15-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson Whilst not documented, register 0x0103 bit 0 is the soft reset for the sensor, so send it before trying to configure the sensor. Signed-off-by: Dave Stevenson --- drivers/media/i2c/imx258.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index c2c5e819ddc0..a62ed8c26663 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -20,6 +20,8 @@ #define IMX258_MODE_STANDBY 0x00 #define IMX258_MODE_STREAMING 0x01 +#define IMX258_REG_RESET 0x0103 + /* Chip ID */ #define IMX258_REG_CHIP_ID 0x0016 #define IMX258_CHIP_ID 0x0258 @@ -1059,6 +1061,16 @@ static int imx258_start_streaming(struct imx258 *imx258) const struct imx258_link_freq_config *link_freq_cfg; int ret, link_freq_index; + ret = imx258_write_reg(imx258, IMX258_REG_RESET, IMX258_REG_VALUE_08BIT, + 0x01); + if (ret) { + dev_err(&client->dev, "%s failed to reset sensor\n", __func__); + return ret; + } + + /* 12ms is required from poweron to standby */ + fsleep(12000); + /* Setup PLL */ link_freq_index = imx258->cur_mode->link_freq_index; link_freq_cfg = &imx258->link_freq_configs[link_freq_index]; 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Wed, 27 Mar 2024 23:17:48 +0000 X-Zone-Loop: c24189ade7ea0586d099d5512b26a525ebfea04a53d0 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=NKk0T+d3dsRrMPw1XZzJJ8j4Y7WxSYSZmFULC91tvv0=; b=hTxbudJRSiFPMc+ihEv8FupVz3 k8LehyTrGLjdIxqWCNs6So6isud70oR3Q0ThwGcNRdqOX/Ou1r6/yfBKPCvXd9Ksp/+LbvIF0NYxM htbsIktfGtMI6pqsuH+EMib1iTiaSjaj+Nih63nFOGB9Tl+YCYfOOBI5P3yEQefSbzUnGuHsgD4Mz 7rNDnYpwBcjd50kw1hriv3WMo107A09lWSE1bmfdOcyjV6VaP8bnuTP00goRptSb4yGdHMhUUNfJe UgFuTJdhzdooQcAwd9IFDe8DbwPqEj5Dw4l+Wl2tNDs0JCEWW0tRjaJshDdQRX2u/h2zEGYtKApRb EMWqO8iQ==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 15/23] media: i2c: imx258: Set pixel_rate range to the same as the value Date: Wed, 27 Mar 2024 17:17:01 -0600 Message-ID: <20240327231710.53188-16-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson With a read only control there is limited point in advertising a minimum and maximum for the control, so change to set the value, min, and max all to the selected pixel rate. Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 Reviewed-by: Jacopo Mondi --- drivers/media/i2c/imx258.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index a62ed8c26663..66022088e4da 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -978,7 +978,8 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, link_freq = imx258->link_freq_menu_items[mode->link_freq_index]; pixel_rate = link_freq_to_pixel_rate(link_freq, imx258->nlanes); - __v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate, pixel_rate); + __v4l2_ctrl_modify_range(imx258->pixel_rate, pixel_rate, + pixel_rate, 1, pixel_rate); /* Update limits and set FPS to default */ vblank_def = imx258->cur_mode->vts_def - imx258->cur_mode->height; @@ -1269,8 +1270,7 @@ static int imx258_init_controls(struct imx258 *imx258) struct v4l2_ctrl *vflip, *hflip; s64 vblank_def; s64 vblank_min; - s64 pixel_rate_min; - s64 pixel_rate_max; + s64 pixel_rate; int ret; ctrl_hdlr = &imx258->ctrl_handler; @@ -1301,18 +1301,13 @@ static int imx258_init_controls(struct imx258 *imx258) if (vflip) vflip->flags |= V4L2_CTRL_FLAG_READ_ONLY; - pixel_rate_max = - link_freq_to_pixel_rate(imx258->link_freq_menu_items[0], - imx258->nlanes); - pixel_rate_min = - link_freq_to_pixel_rate(imx258->link_freq_menu_items[1], - imx258->nlanes); + pixel_rate = link_freq_to_pixel_rate(imx258->link_freq_menu_items[0], + imx258->nlanes); /* By default, PIXEL_RATE is read only */ imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, V4L2_CID_PIXEL_RATE, - pixel_rate_min, pixel_rate_max, - 1, pixel_rate_max); - + pixel_rate, pixel_rate, + 1, pixel_rate); vblank_def = imx258->cur_mode->vts_def - imx258->cur_mode->height; vblank_min = imx258->cur_mode->vts_min - imx258->cur_mode->height; From patchwork Wed Mar 27 23:17:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607699 Received: from mail-108-mta13.mxroute.com (mail-108-mta13.mxroute.com [136.175.108.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CE571552E8 for ; 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arc=none smtp.client-ip=136.175.108.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="TPzVje5o" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta13.mxroute.com (ZoneMTA) with ESMTPSA id 18e8234974b0003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:48 +0000 X-Zone-Loop: a171116e40dd0e045670b8b28f410fcc129de467e4c0 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=2hEJDv6UdkDP+8OHpzsCbaDIrQpZ6/TPz2mkJ9spkto=; b=TPzVje5oQxj2tk/MgXVmnCTfJU gEmic0UoH8ECDZC3vJwbVOVsW/MtnxZIpxTph7HETUijp6zsgIi0JeTBNw7GFvYIQs6rByQ7V/kjP /4OWR2uMWU6LXZgul/fdJbO5SB05j4OlH+AbB87696i5cm0Eo/hMlhDBOZegSOIonL/AR7BPtRAkd vAny6JcJy1nnI7yMqM8O6wuBu0LlV8Xjsnk/01quoWHWwkxTuZ8YKRQeJhuBkNlpjLZi9gBWd6Uxk f2rFKAHqnbndZVHd1N10NWGU8T8BDCFP7phplahzDskHf/bCqOF/hyCK2ol8vaWIKjkcv1jkXVgbe e+QUN0wQ==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 16/23] media: i2c: imx258: Support faster pixel rate on binned modes Date: Wed, 27 Mar 2024 17:17:02 -0600 Message-ID: <20240327231710.53188-17-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson With the binned modes, there is little point in faithfully reproducing the horizontal line length of 5352 pixels on the CSI2 bus, and the FIFO between the pixel array and MIPI serialiser allows us to remove that dependency. Allow the pixel array to run with the normal settings, with the MIPI serialiser at half the rate. This requires some additional information for the link frequency to pixel rate function that needs to be added to the configuration tables. Signed-off-by: Dave Stevenson --- drivers/media/i2c/imx258.c | 109 ++++++++++++++++++++++++------------- 1 file changed, 71 insertions(+), 38 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 66022088e4da..f5d0979110fe 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -99,6 +99,11 @@ struct imx258_reg_list { const struct imx258_reg *regs; }; +struct imx258_link_cfg { + unsigned int lf_to_pix_rate_factor; + struct imx258_reg_list reg_list; +}; + enum { IMX258_2_LANE_MODE, IMX258_4_LANE_MODE, @@ -109,8 +114,8 @@ enum { struct imx258_link_freq_config { u32 pixels_per_line; - /* PLL registers for this link frequency */ - struct imx258_reg_list reg_list[IMX258_LANE_CONFIGS]; + /* Configuration for this link frequency / num lanes selection */ + struct imx258_link_cfg link_cfg[IMX258_LANE_CONFIGS]; }; /* Mode : resolution and related config&values */ @@ -273,7 +278,7 @@ static const struct imx258_reg mipi_640mbps_19_2mhz_4l[] = { static const struct imx258_reg mipi_642mbps_24mhz_2l[] = { { 0x0136, 0x18 }, { 0x0137, 0x00 }, - { 0x0301, 0x0A }, + { 0x0301, 0x05 }, { 0x0303, 0x02 }, { 0x0305, 0x04 }, { 0x0306, 0x00 }, @@ -479,14 +484,22 @@ enum { }; /* - * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample - * data rate => double data rate; - * number of lanes => (configurable 2 or 4); - * bits per pixel => 10 + * Pixel rate does not necessarily relate to link frequency on this sensor as + * there is a FIFO between the pixel array pipeline and the MIPI serializer. + * The recommendation from Sony is that the pixel array is always run with a + * line length of 5352 pixels, which means that there is a large amount of + * blanking time for the 1048x780 mode. There is no need to replicate this + * blanking on the CSI2 bus, and the configuration of register 0x0301 allows the + * divider to be altered. + * + * The actual factor between link frequency and pixel rate is in the + * imx258_link_cfg, so use this to convert between the two. + * bits per pixel being 10, and D-PHY being DDR is assumed by this function, so + * the value is only the combination of number of lanes and pixel clock divider. */ -static u64 link_freq_to_pixel_rate(u64 f, unsigned int nlanes) +static u64 link_freq_to_pixel_rate(u64 f, const struct imx258_link_cfg *link_cfg) { - f *= 2 * nlanes; + f *= 2 * link_cfg->lf_to_pix_rate_factor; do_div(f, 10); return f; @@ -511,31 +524,33 @@ static const s64 link_freq_menu_items_24[] = { IMX258_LINK_FREQ_321MHZ, }; +#define REGS(_list) { .num_of_regs = ARRAY_SIZE(_list), .regs = _list, } + /* Link frequency configs */ static const struct imx258_link_freq_config link_freq_configs_19_2[] = { [IMX258_LINK_FREQ_1267MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, - .reg_list = { + .link_cfg = { [IMX258_2_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_1267mbps_19_2mhz_2l), - .regs = mipi_1267mbps_19_2mhz_2l, + .lf_to_pix_rate_factor = 2 * 2, + .reg_list = REGS(mipi_1267mbps_19_2mhz_2l), }, [IMX258_4_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_1267mbps_19_2mhz_4l), - .regs = mipi_1267mbps_19_2mhz_4l, + .lf_to_pix_rate_factor = 4, + .reg_list = REGS(mipi_1267mbps_19_2mhz_4l), }, } }, [IMX258_LINK_FREQ_640MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, - .reg_list = { + .link_cfg = { [IMX258_2_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_640mbps_19_2mhz_2l), - .regs = mipi_640mbps_19_2mhz_2l, + .lf_to_pix_rate_factor = 2, + .reg_list = REGS(mipi_640mbps_19_2mhz_2l), }, [IMX258_4_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_640mbps_19_2mhz_4l), - .regs = mipi_640mbps_19_2mhz_4l, + .lf_to_pix_rate_factor = 4, + .reg_list = REGS(mipi_640mbps_19_2mhz_4l), }, } }, @@ -544,27 +559,27 @@ static const struct imx258_link_freq_config link_freq_configs_19_2[] = { static const struct imx258_link_freq_config link_freq_configs_24[] = { [IMX258_LINK_FREQ_1267MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, - .reg_list = { + .link_cfg = { [IMX258_2_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_1272mbps_24mhz_2l), - .regs = mipi_1272mbps_24mhz_2l, + .lf_to_pix_rate_factor = 2, + .reg_list = REGS(mipi_1272mbps_24mhz_2l), }, [IMX258_4_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_1272mbps_24mhz_4l), - .regs = mipi_1272mbps_24mhz_4l, + .lf_to_pix_rate_factor = 4, + .reg_list = REGS(mipi_1272mbps_24mhz_4l), }, } }, [IMX258_LINK_FREQ_640MBPS] = { .pixels_per_line = IMX258_PPL_DEFAULT, - .reg_list = { + .link_cfg = { [IMX258_2_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_642mbps_24mhz_2l), - .regs = mipi_642mbps_24mhz_2l, + .lf_to_pix_rate_factor = 2 * 2, + .reg_list = REGS(mipi_642mbps_24mhz_2l), }, [IMX258_4_LANE_MODE] = { - .num_of_regs = ARRAY_SIZE(mipi_642mbps_24mhz_4l), - .regs = mipi_642mbps_24mhz_4l, + .lf_to_pix_rate_factor = 4, + .reg_list = REGS(mipi_642mbps_24mhz_4l), }, } }, @@ -642,7 +657,7 @@ struct imx258 { const struct imx258_link_freq_config *link_freq_configs; const s64 *link_freq_menu_items; - unsigned int nlanes; + unsigned int lane_mode_idx; unsigned int csi2_flags; /* @@ -952,8 +967,10 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_format *fmt) { struct imx258 *imx258 = to_imx258(sd); - const struct imx258_mode *mode; + const struct imx258_link_freq_config *link_freq_cfgs; + const struct imx258_link_cfg *link_cfg; struct v4l2_mbus_framefmt *framefmt; + const struct imx258_mode *mode; s32 vblank_def; s32 vblank_min; s64 h_blank; @@ -977,7 +994,11 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, __v4l2_ctrl_s_ctrl(imx258->link_freq, mode->link_freq_index); link_freq = imx258->link_freq_menu_items[mode->link_freq_index]; - pixel_rate = link_freq_to_pixel_rate(link_freq, imx258->nlanes); + link_freq_cfgs = + &imx258->link_freq_configs[mode->link_freq_index]; + + link_cfg = &link_freq_cfgs->link_cfg[imx258->lane_mode_idx]; + pixel_rate = link_freq_to_pixel_rate(link_freq, link_cfg); __v4l2_ctrl_modify_range(imx258->pixel_rate, pixel_rate, pixel_rate, 1, pixel_rate); /* Update limits and set FPS to default */ @@ -1075,7 +1096,8 @@ static int imx258_start_streaming(struct imx258 *imx258) /* Setup PLL */ link_freq_index = imx258->cur_mode->link_freq_index; link_freq_cfg = &imx258->link_freq_configs[link_freq_index]; - reg_list = &link_freq_cfg->reg_list[imx258->nlanes == 2 ? 0 : 1]; + + reg_list = &link_freq_cfg->link_cfg[imx258->lane_mode_idx].reg_list; ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs); if (ret) { dev_err(&client->dev, "%s failed to set plls\n", __func__); @@ -1265,9 +1287,11 @@ static const struct v4l2_subdev_internal_ops imx258_internal_ops = { static int imx258_init_controls(struct imx258 *imx258) { struct i2c_client *client = v4l2_get_subdevdata(&imx258->sd); + const struct imx258_link_freq_config *link_freq_cfgs; struct v4l2_fwnode_device_properties props; - struct v4l2_ctrl_handler *ctrl_hdlr; struct v4l2_ctrl *vflip, *hflip; + struct v4l2_ctrl_handler *ctrl_hdlr; + const struct imx258_link_cfg *link_cfg; s64 vblank_def; s64 vblank_min; s64 pixel_rate; @@ -1301,8 +1325,11 @@ static int imx258_init_controls(struct imx258 *imx258) if (vflip) vflip->flags |= V4L2_CTRL_FLAG_READ_ONLY; + link_freq_cfgs = &imx258->link_freq_configs[0]; + link_cfg = link_freq_cfgs[imx258->lane_mode_idx].link_cfg; pixel_rate = link_freq_to_pixel_rate(imx258->link_freq_menu_items[0], - imx258->nlanes); + link_cfg); + /* By default, PIXEL_RATE is read only */ imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, V4L2_CID_PIXEL_RATE, @@ -1456,10 +1483,16 @@ static int imx258_probe(struct i2c_client *client) } /* Get number of data lanes */ - imx258->nlanes = ep.bus.mipi_csi2.num_data_lanes; - if (imx258->nlanes != 2 && imx258->nlanes != 4) { + switch (ep.bus.mipi_csi2.num_data_lanes) { + case 2: + imx258->lane_mode_idx = IMX258_2_LANE_MODE; + break; + case 4: + imx258->lane_mode_idx = IMX258_4_LANE_MODE; + break; + default: dev_err(&client->dev, "Invalid data lanes: %u\n", - imx258->nlanes); + ep.bus.mipi_csi2.num_data_lanes); ret = -EINVAL; goto error_endpoint_free; } From patchwork Wed Mar 27 23:17:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607698 Received: from mail-108-mta115.mxroute.com (mail-108-mta115.mxroute.com [136.175.108.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A0039155385 for ; Wed, 27 Mar 2024 23:23:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.115 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581782; cv=none; b=B8b3f/JUSKekAin55Ewf3zAorcbTJPTlHOZezK4bqVPzP+hQAqYbMeyX96xvjRZrG+cUH5SUfxoYHh11gkRG1S2r/A1ENIVa4Mhrdr/egFl0eWgGc3uQiQCKH+L2L2eDJfLoU428EG+yqOqisxf0s2qkaFa4p5p7/M/rzvL3h6U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581782; c=relaxed/simple; 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Wed, 27 Mar 2024 23:17:50 +0000 X-Zone-Loop: 95c6991f1d4f0d0d94ae904ae50511d8fb2853b8faa8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=HHelyH8dUAACB6PBOj0zLfLWRDzbJsLmhryy/cNSXnk=; b=ZQHpV/jMB5FDL9PLkOb7BMtUAZ X0tnG1+Rw9WM12WQdPZNnLw0+yCORvlej5sozcE1R/MRuIKFrhNVMVjjPNupsycNLClL3wrMjue6q UtU2WMtA0YjPtUUZdCCFxyZOQ6e3R60zXorQAY2sj1NyFXZbDQM+Lk62n5XIO8xn8sqznQ3DNcpTA TbCJYT8Xl0aQmmVVs6IIo09cJyUitO3o/qe+fQtlQp1js7vmdoYE1Od01e6FYAgTxJLcQbMsrfVOh TfnzWKgseMlyfFh094dwdOw/a54tajIITvQslJUmUerAofOWpDHPgP8m9u3IuUOjg60ZE3IOV5tNi xFAO/6Vg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Conor Dooley Subject: [PATCH 17/23] dt-bindings: media: imx258: Rename to include vendor prefix Date: Wed, 27 Mar 2024 17:17:03 -0600 Message-ID: <20240327231710.53188-18-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson imx258.yaml doesn't include the vendor prefix of sony, so rename to add it. Update the id entry and MAINTAINERS to match. Signed-off-by: Dave Stevenson Acked-by: Conor Dooley --- .../bindings/media/i2c/{imx258.yaml => sony,imx258.yaml} | 2 +- MAINTAINERS | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) rename Documentation/devicetree/bindings/media/i2c/{imx258.yaml => sony,imx258.yaml} (97%) diff --git a/Documentation/devicetree/bindings/media/i2c/imx258.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml similarity index 97% rename from Documentation/devicetree/bindings/media/i2c/imx258.yaml rename to Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml index 80d24220baa0..bee61a443b23 100644 --- a/Documentation/devicetree/bindings/media/i2c/imx258.yaml +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml @@ -1,7 +1,7 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: http://devicetree.org/schemas/media/i2c/imx258.yaml# +$id: http://devicetree.org/schemas/media/i2c/sony,imx258.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Sony IMX258 13 Mpixel CMOS Digital Image Sensor diff --git a/MAINTAINERS b/MAINTAINERS index aa3b947fb080..1f17f6734bf5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20464,7 +20464,7 @@ M: Sakari Ailus L: linux-media@vger.kernel.org S: Maintained T: git git://linuxtv.org/media_tree.git -F: Documentation/devicetree/bindings/media/i2c/imx258.yaml +F: Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml F: drivers/media/i2c/imx258.c SONY IMX274 SENSOR DRIVER From patchwork Wed Mar 27 23:17:04 2024 Content-Type: text/plain; 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Wed, 27 Mar 2024 23:17:53 +0000 X-Zone-Loop: b7d58c5c0ccfd102e70ea57d2f7719c1d7c3fcb928d4 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=UNQcRvC+BTJmcFMUv7/581GlzybaY7yH1KloLiIT/SI=; b=dLhz1N/8XTD0i1MlofJeNmVnd9 KNK0xCCp/l+iZzxi0rYKrbFjimMoRnkkze42ULyiXwsQaivKWjnVPo/aY+g2TXhKbYDvpmQK91rJZ QgVVze3hO+RXJIv2dxPal421YStiXvBnnNHFf3oi+nArsRoxo8S9VUaoe/CCF8c0mpt8hs9ClNP3H VJYeVDiw7Si5GzR9tTHr2tYsz7nYmdzE9+BsTRsf1gd6bsPAw4pt8aav1Vw0X9MwTA+cfmY8qmJxt TEEkKQGeYM5wkg3Adq30woS3FPIGOSxl8LO450RCfdmQDQYP1w8/m6vyh0R3Rc2DZbU80ScFOJ17o UGSrKYBQ==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 18/23] dt-bindings: media: imx258: Add alternate compatible strings Date: Wed, 27 Mar 2024 17:17:04 -0600 Message-ID: <20240327231710.53188-19-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson There are a number of variants of the imx258 modules that can not be differentiated at runtime, so add compatible strings for them. Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 --- .../devicetree/bindings/media/i2c/sony,imx258.yaml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml index bee61a443b23..c7856de15ba3 100644 --- a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml @@ -14,10 +14,14 @@ description: |- type stacked image sensor with a square pixel array of size 4208 x 3120. It is programmable through I2C interface. Image data is sent through MIPI CSI-2. + There are a number of variants of the sensor which cannot be detected at + runtime, so multiple compatible strings are required to differentiate these. properties: compatible: - const: sony,imx258 + - enum: + - sony,imx258 + - sony,imx258-pdaf assigned-clocks: true assigned-clock-parents: true From patchwork Wed Mar 27 23:17:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607666 Received: from mail-108-mta44.mxroute.com (mail-108-mta44.mxroute.com [136.175.108.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0885F154BF7 for ; Wed, 27 Mar 2024 23:17:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581480; cv=none; b=BXsMe73phockpUbq7Z+ah936hDnz0JKSQ0m+z0nv0g9eIH3e51kJaBen1JpncSXmgmYA3ESbS3CjGjSPz1AC4N2tMuQat/8e6mhb2NSyTJd1NqJu3edvv9cHbBB1ugg0OLvkLIEbkUxkv2mnLKCRgzPCxieSBKLJ1E3dZYbGJ5A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581480; c=relaxed/simple; bh=7i/9IjTAd+pde/paZFBB+EA9Lnwb/pQVeVpaMtOzxi0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hKHIL0R8NNPVM8IpIMH3Y2Dcm7JgsrVDsrBOSgLCbYM2WiEmwtHINpI655zo8D30wUkQ+ivwgJ/XtdRFgyIP5qexwuimsU2V6c3odBD0Ffj9071cCDq/uZd71qzHHc3MkdxourKRY2K6g+q0YJEz80YFbYCZ/Jbd6Njjeb/rfJQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=kNmHO50O; arc=none smtp.client-ip=136.175.108.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="kNmHO50O" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta44.mxroute.com (ZoneMTA) with ESMTPSA id 18e8234b0050003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:54 +0000 X-Zone-Loop: 54e3da433e2f91554ec64e3ff7fe47d4ef3c5a12b0f9 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=7j4MzTjtD7AfwCCrPVn3U68Ne8jjZ+gWNwi69A2egJA=; b=kNmHO50OQJHrToL8EwUTx/NHHt Eq3XH7Z6+3IJBrfaGBrRLXAuZT/hX1rsH+TuAJivxpMsBTcp3HHQvkByzmtIuidYGhBkchS0kuhPi bq/ZT5r22YjmgKcACJTv+CG6+BpMd2pDsGef8qmwnOijWx2yNI8mdtF5Zzu6sPSIf1UpBbqNId3zg E6xobz8A9LCPlTGcvGb+jQN3BYtmEW9B8qKCHvvepvOaFupQttzRuHG4yquDFJjNgC1HNLVjVKbeL c6lOoNd8TdDH9feQeQjmseOxRILiKtfz2yB2ElXyyBW1zvXtahvAHRnIwHo4swHa+6dCrJjAmNP+w gRsBHZmA==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 19/23] media: i2c: imx258: Change register settings for variants of the sensor Date: Wed, 27 Mar 2024 17:17:05 -0600 Message-ID: <20240327231710.53188-20-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson Sony have advised that there are variants of the IMX258 sensor which require slightly different register configuration to the mainline imx258 driver defaults. There is no available run-time detection for the variant, so add configuration via the DT compatible string. The Vision Components imx258 module supports PDAF, so add the register differences for that variant Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 --- drivers/media/i2c/imx258.c | 48 ++++++++++++++++++++++++++++++++++---- 1 file changed, 44 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index f5d0979110fe..09f635574215 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -321,8 +322,6 @@ static const struct imx258_reg mipi_642mbps_24mhz_4l[] = { static const struct imx258_reg mode_common_regs[] = { { 0x3051, 0x00 }, - { 0x3052, 0x00 }, - { 0x4E21, 0x14 }, { 0x6B11, 0xCF }, { 0x7FF0, 0x08 }, { 0x7FF1, 0x0F }, @@ -345,7 +344,6 @@ static const struct imx258_reg mode_common_regs[] = { { 0x7FA8, 0x03 }, { 0x7FA9, 0xFE }, { 0x7B24, 0x81 }, - { 0x7B25, 0x00 }, { 0x6564, 0x07 }, { 0x6B0D, 0x41 }, { 0x653D, 0x04 }, @@ -460,6 +458,33 @@ static const struct imx258_reg mode_1048_780_regs[] = { { 0x034F, 0x0C }, }; +struct imx258_variant_cfg { + const struct imx258_reg *regs; + unsigned int num_regs; +}; + +static const struct imx258_reg imx258_cfg_regs[] = { + { 0x3052, 0x00 }, + { 0x4E21, 0x14 }, + { 0x7B25, 0x00 }, +}; + +static const struct imx258_variant_cfg imx258_cfg = { + .regs = imx258_cfg_regs, + .num_regs = ARRAY_SIZE(imx258_cfg_regs), +}; + +static const struct imx258_reg imx258_pdaf_cfg_regs[] = { + { 0x3052, 0x01 }, + { 0x4E21, 0x10 }, + { 0x7B25, 0x01 }, +}; + +static const struct imx258_variant_cfg imx258_pdaf_cfg = { + .regs = imx258_pdaf_cfg_regs, + .num_regs = ARRAY_SIZE(imx258_pdaf_cfg_regs), +}; + static const char * const imx258_test_pattern_menu[] = { "Disabled", "Solid Colour", @@ -644,6 +669,8 @@ struct imx258 { struct v4l2_subdev sd; struct media_pad pad; + const struct imx258_variant_cfg *variant_cfg; + struct v4l2_ctrl_handler ctrl_handler; /* V4L2 Controls */ struct v4l2_ctrl *link_freq; @@ -1111,6 +1138,14 @@ static int imx258_start_streaming(struct imx258 *imx258) return ret; } + ret = imx258_write_regs(imx258, imx258->variant_cfg->regs, + imx258->variant_cfg->num_regs); + if (ret) { + dev_err(&client->dev, "%s failed to set variant config\n", + __func__); + return ret; + } + ret = imx258_write_reg(imx258, IMX258_CLK_BLANK_STOP, IMX258_REG_VALUE_08BIT, imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK ? @@ -1499,6 +1534,10 @@ static int imx258_probe(struct i2c_client *client) imx258->csi2_flags = ep.bus.mipi_csi2.flags; + imx258->variant_cfg = of_device_get_match_data(&client->dev); + if (!imx258->variant_cfg) + imx258->variant_cfg = &imx258_cfg; + /* Initialize subdev */ v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops); @@ -1586,7 +1625,8 @@ MODULE_DEVICE_TABLE(acpi, imx258_acpi_ids); #endif static const struct of_device_id imx258_dt_ids[] = { - { .compatible = "sony,imx258" }, + { .compatible = "sony,imx258", .data = &imx258_cfg }, + { .compatible = "sony,imx258-pdaf", .data = &imx258_pdaf_cfg }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, imx258_dt_ids); From patchwork Wed Mar 27 23:17:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607702 Received: from mail-108-mta240.mxroute.com (mail-108-mta240.mxroute.com [136.175.108.240]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA22F156225 for ; Wed, 27 Mar 2024 23:23:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.240 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581793; cv=none; b=hbJxSDz8l58leSf3T4ag5sRvZzQl+No5BLzjJxrjOIW79o7IWc7wMx26Cc6hW+Pebilc595xu3CS8mwp0ICLiHl9AEUw9mVAWA+4q8kJ5E5mO5gwZkdXsMg0rjvuxh4zkUIo/tW+ZCkVxiLyv401YpZlrXnX3M9fdV9wz4QqwrE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581793; c=relaxed/simple; bh=i9Ntlovoi3ooZkRsN+o16KerLKAU9fkLZfvrVHes2Ys=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AOsPtmEN3qPv/1ExarZcWz7l2Abtf3KgF2EFrrqRjAMGVNHjabLhtZFE6RfFzzSYciLJuvlTVvr4M+6uSlT23gZZZ5+3U3/gvuHM2qHvKQWmt9JrdK+rkYUR1B0pblStfdne45IR49Wm7EKoEO5J9H9niGbPtdzqJbCez6nMG7E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=ABvvmSwT; arc=none smtp.client-ip=136.175.108.240 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="ABvvmSwT" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta240.mxroute.com (ZoneMTA) with ESMTPSA id 18e8234b79d0003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:56 +0000 X-Zone-Loop: c1dbb1e18bb49b95fad9fa541ac614698b1faa003bff DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=mFHTUCwQg5gTK24jGbuwOaYPT6CqEHBpeAEz9uUl43Q=; b=ABvvmSwTyRHQ/VrghPh58HQ51f UUYuUvEFRwTtbiM4lfDLT40U6YznI0RWoV15kMgUh24+Q4t7FiEuGGra+moxbPWMyCCTSfsyi88gH fCzLbwpXHXGXLtoONKi/V1E3oNB1zZ6GWB1mJ8yolRSfPi6IuKjLgroOPg74FZ3VVBWIESj42QfiC 7MyItRGOc2tfROlVVOOVfbihqPxZmSUgwXbKIhiY/1D28PKDRK1HCfiEpI9TGFHHFQj7TC7c27DtS gNJCD5ELp5lvQBhhss9ai7sAoC5JZa9VzwVrPQ1gf2J/oDbb+97f1BVPEvf5gJh7m8PYJPYO4Ymsn suYnTIwg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 Subject: [PATCH 20/23] media: i2c: imx258: Make HFLIP and VFLIP controls writable Date: Wed, 27 Mar 2024 17:17:06 -0600 Message-ID: <20240327231710.53188-21-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson The sensor supports H & V flips, but the controls were READ_ONLY. Note that the Bayer order changes with these flips, therefore they set the V4L2_CTRL_FLAG_MODIFY_LAYOUT property. Signed-off-by: Dave Stevenson Signed-off-by: Luigi311 --- drivers/media/i2c/imx258.c | 100 ++++++++++++++++++++++++------------- 1 file changed, 65 insertions(+), 35 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 09f635574215..52eaeeae1bed 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -79,8 +79,8 @@ /* Orientation */ #define REG_MIRROR_FLIP_CONTROL 0x0101 -#define REG_CONFIG_MIRROR_FLIP 0x03 -#define REG_CONFIG_FLIP_TEST_PATTERN 0x02 +#define REG_CONFIG_MIRROR_HFLIP 0x01 +#define REG_CONFIG_MIRROR_VFLIP 0x02 /* IMX258 native and active pixel array size. */ #define IMX258_NATIVE_WIDTH 4224U @@ -485,6 +485,23 @@ static const struct imx258_variant_cfg imx258_pdaf_cfg = { .num_regs = ARRAY_SIZE(imx258_pdaf_cfg_regs), }; +/* + * The supported formats. + * This table MUST contain 4 entries per format, to cover the various flip + * combinations in the order + * - no flip + * - h flip + * - v flip + * - h&v flips + */ +static const u32 codes[] = { + /* 10-bit modes. */ + MEDIA_BUS_FMT_SRGGB10_1X10, + MEDIA_BUS_FMT_SGRBG10_1X10, + MEDIA_BUS_FMT_SGBRG10_1X10, + MEDIA_BUS_FMT_SBGGR10_1X10 +}; + static const char * const imx258_test_pattern_menu[] = { "Disabled", "Solid Colour", @@ -678,6 +695,8 @@ struct imx258 { struct v4l2_ctrl *vblank; struct v4l2_ctrl *hblank; struct v4l2_ctrl *exposure; + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; /* Current mode */ const struct imx258_mode *cur_mode; @@ -776,9 +795,23 @@ static int imx258_write_regs(struct imx258 *imx258, return 0; } +/* Get bayer order based on flip setting. */ +static u32 imx258_get_format_code(const struct imx258 *imx258) +{ + unsigned int i; + + lockdep_assert_held(&imx258->mutex); + + i = (imx258->vflip->val ? 2 : 0) | + (imx258->hflip->val ? 1 : 0); + + return codes[i]; +} + /* Open sub-device */ static int imx258_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { + struct imx258 *imx258 = to_imx258(sd); struct v4l2_mbus_framefmt *try_fmt = v4l2_subdev_state_get_format(fh->state, 0); struct v4l2_rect *try_crop; @@ -786,7 +819,7 @@ static int imx258_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) /* Initialize try_fmt */ try_fmt->width = supported_modes[0].width; try_fmt->height = supported_modes[0].height; - try_fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10; + try_fmt->code = imx258_get_format_code(imx258); try_fmt->field = V4L2_FIELD_NONE; /* Initialize try_crop */ @@ -879,10 +912,6 @@ static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) ret = imx258_write_reg(imx258, IMX258_REG_TEST_PATTERN, IMX258_REG_VALUE_16BIT, ctrl->val); - ret = imx258_write_reg(imx258, REG_MIRROR_FLIP_CONTROL, - IMX258_REG_VALUE_08BIT, - !ctrl->val ? REG_CONFIG_MIRROR_FLIP : - REG_CONFIG_FLIP_TEST_PATTERN); break; case V4L2_CID_WIDE_DYNAMIC_RANGE: if (!ctrl->val) { @@ -905,6 +934,15 @@ static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) IMX258_REG_VALUE_16BIT, imx258->cur_mode->height + ctrl->val); break; + case V4L2_CID_VFLIP: + case V4L2_CID_HFLIP: + ret = imx258_write_reg(imx258, REG_MIRROR_FLIP_CONTROL, + IMX258_REG_VALUE_08BIT, + (imx258->hflip->val ? + REG_CONFIG_MIRROR_HFLIP : 0) | + (imx258->vflip->val ? + REG_CONFIG_MIRROR_VFLIP : 0)); + break; default: dev_info(&client->dev, "ctrl(id:0x%x,val:0x%x) is not handled\n", @@ -926,11 +964,13 @@ static int imx258_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { - /* Only one bayer order(GRBG) is supported */ + struct imx258 *imx258 = to_imx258(sd); + + /* Only one bayer format (10 bit) is supported */ if (code->index > 0) return -EINVAL; - code->code = MEDIA_BUS_FMT_SBGGR10_1X10; + code->code = imx258_get_format_code(imx258); return 0; } @@ -939,10 +979,11 @@ static int imx258_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { + struct imx258 *imx258 = to_imx258(sd); if (fse->index >= ARRAY_SIZE(supported_modes)) return -EINVAL; - if (fse->code != MEDIA_BUS_FMT_SBGGR10_1X10) + if (fse->code != imx258_get_format_code(imx258)) return -EINVAL; fse->min_width = supported_modes[fse->index].width; @@ -953,12 +994,13 @@ static int imx258_enum_frame_size(struct v4l2_subdev *sd, return 0; } -static void imx258_update_pad_format(const struct imx258_mode *mode, +static void imx258_update_pad_format(struct imx258 *imx258, + const struct imx258_mode *mode, struct v4l2_subdev_format *fmt) { fmt->format.width = mode->width; fmt->format.height = mode->height; - fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; + fmt->format.code = imx258_get_format_code(imx258); fmt->format.field = V4L2_FIELD_NONE; } @@ -970,7 +1012,7 @@ static int __imx258_get_pad_format(struct imx258 *imx258, fmt->format = *v4l2_subdev_state_get_format(sd_state, fmt->pad); else - imx258_update_pad_format(imx258->cur_mode, fmt); + imx258_update_pad_format(imx258, imx258->cur_mode, fmt); return 0; } @@ -1006,13 +1048,12 @@ static int imx258_set_pad_format(struct v4l2_subdev *sd, mutex_lock(&imx258->mutex); - /* Only one raw bayer(GBRG) order is supported */ - fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; + fmt->format.code = imx258_get_format_code(imx258); mode = v4l2_find_nearest_size(supported_modes, ARRAY_SIZE(supported_modes), width, height, fmt->format.width, fmt->format.height); - imx258_update_pad_format(mode, fmt); + imx258_update_pad_format(imx258, mode, fmt); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); *framefmt = fmt->format; @@ -1163,15 +1204,6 @@ static int imx258_start_streaming(struct imx258 *imx258) return ret; } - /* Set Orientation be 180 degree */ - ret = imx258_write_reg(imx258, REG_MIRROR_FLIP_CONTROL, - IMX258_REG_VALUE_08BIT, REG_CONFIG_MIRROR_FLIP); - if (ret) { - dev_err(&client->dev, "%s failed to set orientation\n", - __func__); - return ret; - } - /* Apply customized values from user */ ret = __v4l2_ctrl_handler_setup(imx258->sd.ctrl_handler); if (ret) @@ -1324,7 +1356,6 @@ static int imx258_init_controls(struct imx258 *imx258) struct i2c_client *client = v4l2_get_subdevdata(&imx258->sd); const struct imx258_link_freq_config *link_freq_cfgs; struct v4l2_fwnode_device_properties props; - struct v4l2_ctrl *vflip, *hflip; struct v4l2_ctrl_handler *ctrl_hdlr; const struct imx258_link_cfg *link_cfg; s64 vblank_def; @@ -1349,16 +1380,15 @@ static int imx258_init_controls(struct imx258 *imx258) if (imx258->link_freq) imx258->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; - /* The driver only supports one bayer order and flips by default. */ - hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, - V4L2_CID_HFLIP, 1, 1, 1, 1); - if (hflip) - hflip->flags |= V4L2_CTRL_FLAG_READ_ONLY; + imx258->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 1); + if (imx258->hflip) + imx258->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; - vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, - V4L2_CID_VFLIP, 1, 1, 1, 1); - if (vflip) - vflip->flags |= V4L2_CTRL_FLAG_READ_ONLY; + imx258->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 1); + if (imx258->vflip) + imx258->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; link_freq_cfgs = &imx258->link_freq_configs[0]; link_cfg = link_freq_cfgs[imx258->lane_mode_idx].link_cfg; From patchwork Wed Mar 27 23:17:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607703 Received: from mail-108-mta191.mxroute.com (mail-108-mta191.mxroute.com [136.175.108.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8BBBA155A5B for ; Wed, 27 Mar 2024 23:23:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.191 ARC-Seal: i=1; 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From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 , Ondrej Jirman Subject: [PATCH 21/23] drivers: media: i2c: imx258: Use macros Date: Wed, 27 Mar 2024 17:17:07 -0600 Message-ID: <20240327231710.53188-22-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Luigi311 Use understandable macros instead of raw values. Signed-off-by: Ondrej Jirman Signed-off-by: Luigi311 --- drivers/media/i2c/imx258.c | 434 ++++++++++++++++++------------------- 1 file changed, 207 insertions(+), 227 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 52eaeeae1bed..c559a06bf180 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -33,8 +33,6 @@ #define IMX258_VTS_30FPS_VGA 0x034c #define IMX258_VTS_MAX 65525 -#define IMX258_REG_VTS 0x0340 - /* HBLANK control - read only */ #define IMX258_PPL_DEFAULT 5352 @@ -90,6 +88,53 @@ #define IMX258_PIXEL_ARRAY_WIDTH 4208U #define IMX258_PIXEL_ARRAY_HEIGHT 3120U +/* regs */ +#define IMX258_REG_PLL_MULT_DRIV 0x0310 +#define IMX258_REG_IVTPXCK_DIV 0x0301 +#define IMX258_REG_IVTSYCK_DIV 0x0303 +#define IMX258_REG_PREPLLCK_VT_DIV 0x0305 +#define IMX258_REG_IOPPXCK_DIV 0x0309 +#define IMX258_REG_IOPSYCK_DIV 0x030b +#define IMX258_REG_PREPLLCK_OP_DIV 0x030d +#define IMX258_REG_PHASE_PIX_OUTEN 0x3030 +#define IMX258_REG_PDPIX_DATA_RATE 0x3032 +#define IMX258_REG_SCALE_MODE 0x0401 +#define IMX258_REG_SCALE_MODE_EXT 0x3038 +#define IMX258_REG_AF_WINDOW_MODE 0x7bcd +#define IMX258_REG_FRM_LENGTH_CTL 0x0350 +#define IMX258_REG_CSI_LANE_MODE 0x0114 +#define IMX258_REG_X_EVN_INC 0x0381 +#define IMX258_REG_X_ODD_INC 0x0383 +#define IMX258_REG_Y_EVN_INC 0x0385 +#define IMX258_REG_Y_ODD_INC 0x0387 +#define IMX258_REG_BINNING_MODE 0x0900 +#define IMX258_REG_BINNING_TYPE_V 0x0901 +#define IMX258_REG_FORCE_FD_SUM 0x300d +#define IMX258_REG_DIG_CROP_X_OFFSET 0x0408 +#define IMX258_REG_DIG_CROP_Y_OFFSET 0x040a +#define IMX258_REG_DIG_CROP_IMAGE_WIDTH 0x040c +#define IMX258_REG_DIG_CROP_IMAGE_HEIGHT 0x040e +#define IMX258_REG_SCALE_M 0x0404 +#define IMX258_REG_X_OUT_SIZE 0x034c +#define IMX258_REG_Y_OUT_SIZE 0x034e +#define IMX258_REG_X_ADD_STA 0x0344 +#define IMX258_REG_Y_ADD_STA 0x0346 +#define IMX258_REG_X_ADD_END 0x0348 +#define IMX258_REG_Y_ADD_END 0x034a +#define IMX258_REG_EXCK_FREQ 0x0136 +#define IMX258_REG_CSI_DT_FMT 0x0112 +#define IMX258_REG_LINE_LENGTH_PCK 0x0342 +#define IMX258_REG_SCALE_M_EXT 0x303a +#define IMX258_REG_FRM_LENGTH_LINES 0x0340 +#define IMX258_REG_FINE_INTEG_TIME 0x0200 +#define IMX258_REG_PLL_IVT_MPY 0x0306 +#define IMX258_REG_PLL_IOP_MPY 0x030e +#define IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H 0x0820 +#define IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L 0x0822 + +#define REG8(a, v) { a, v } +#define REG16(a, v) { a, ((v) >> 8) & 0xff }, { (a) + 1, (v) & 0xff } + struct imx258_reg { u16 address; u8 val; @@ -145,179 +190,139 @@ struct imx258_mode { * lane data rate when using 2 lanes, thus allowing a maximum of 15fps. */ static const struct imx258_reg mipi_1267mbps_19_2mhz_2l[] = { - { 0x0136, 0x13 }, - { 0x0137, 0x33 }, - { 0x0301, 0x0A }, - { 0x0303, 0x02 }, - { 0x0305, 0x03 }, - { 0x0306, 0x00 }, - { 0x0307, 0xC6 }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x01 }, - { 0x0820, 0x09 }, - { 0x0821, 0xa6 }, - { 0x0822, 0x66 }, - { 0x0823, 0x66 }, + REG16(IMX258_REG_EXCK_FREQ, 0x1333), + REG8(IMX258_REG_IVTPXCK_DIV, 10), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 3), + REG16(IMX258_REG_PLL_IVT_MPY, 0x00C6), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 1), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x09A6), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0x6666), }; static const struct imx258_reg mipi_1267mbps_19_2mhz_4l[] = { - { 0x0136, 0x13 }, - { 0x0137, 0x33 }, - { 0x0301, 0x05 }, - { 0x0303, 0x02 }, - { 0x0305, 0x03 }, - { 0x0306, 0x00 }, - { 0x0307, 0xC6 }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x03 }, - { 0x0820, 0x13 }, - { 0x0821, 0x4C }, - { 0x0822, 0xCC }, - { 0x0823, 0xCC }, + REG16(IMX258_REG_EXCK_FREQ, 0x1333), + REG8(IMX258_REG_IVTPXCK_DIV, 5), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 3), + REG16(IMX258_REG_PLL_IVT_MPY, 0x00C6), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 3), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x134C), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0xCCCC), }; static const struct imx258_reg mipi_1272mbps_24mhz_2l[] = { - { 0x0136, 0x18 }, - { 0x0137, 0x00 }, - { 0x0301, 0x0a }, - { 0x0303, 0x02 }, - { 0x0305, 0x04 }, - { 0x0306, 0x00 }, - { 0x0307, 0xD4 }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x01 }, - { 0x0820, 0x13 }, - { 0x0821, 0x4C }, - { 0x0822, 0xCC }, - { 0x0823, 0xCC }, + REG16(IMX258_REG_EXCK_FREQ, 0x1800), + REG8(IMX258_REG_IVTPXCK_DIV, 10), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 4), + REG16(IMX258_REG_PLL_IVT_MPY, 0x00D4), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 1), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x134C), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0xCCCC), }; static const struct imx258_reg mipi_1272mbps_24mhz_4l[] = { - { 0x0136, 0x18 }, - { 0x0137, 0x00 }, - { 0x0301, 0x05 }, - { 0x0303, 0x02 }, - { 0x0305, 0x04 }, - { 0x0306, 0x00 }, - { 0x0307, 0xD4 }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x03 }, - { 0x0820, 0x13 }, - { 0x0821, 0xE0 }, - { 0x0822, 0x00 }, - { 0x0823, 0x00 }, + REG16(IMX258_REG_EXCK_FREQ, 0x1800), + REG8(IMX258_REG_IVTPXCK_DIV, 5), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 4), + REG16(IMX258_REG_PLL_IVT_MPY, 0x00D4), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 3), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x13E0), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0x0000), }; static const struct imx258_reg mipi_640mbps_19_2mhz_2l[] = { - { 0x0136, 0x13 }, - { 0x0137, 0x33 }, - { 0x0301, 0x05 }, - { 0x0303, 0x02 }, - { 0x0305, 0x03 }, - { 0x0306, 0x00 }, - { 0x0307, 0x64 }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x01 }, - { 0x0820, 0x05 }, - { 0x0821, 0x00 }, - { 0x0822, 0x00 }, - { 0x0823, 0x00 }, + REG16(IMX258_REG_EXCK_FREQ, 0x1333), + REG8(IMX258_REG_IVTPXCK_DIV, 5), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 3), + REG16(IMX258_REG_PLL_IVT_MPY, 0x0064), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 1), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x0500), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0x0000), }; static const struct imx258_reg mipi_640mbps_19_2mhz_4l[] = { - { 0x0136, 0x13 }, - { 0x0137, 0x33 }, - { 0x0301, 0x05 }, - { 0x0303, 0x02 }, - { 0x0305, 0x03 }, - { 0x0306, 0x00 }, - { 0x0307, 0x64 }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x03 }, - { 0x0820, 0x0A }, - { 0x0821, 0x00 }, - { 0x0822, 0x00 }, - { 0x0823, 0x00 }, + REG16(IMX258_REG_EXCK_FREQ, 0x1333), + REG8(IMX258_REG_IVTPXCK_DIV, 5), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 3), + REG16(IMX258_REG_PLL_IVT_MPY, 0x0064), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 3), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x0A00), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0x0000), }; static const struct imx258_reg mipi_642mbps_24mhz_2l[] = { - { 0x0136, 0x18 }, - { 0x0137, 0x00 }, - { 0x0301, 0x05 }, - { 0x0303, 0x02 }, - { 0x0305, 0x04 }, - { 0x0306, 0x00 }, - { 0x0307, 0x6B }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x01 }, - { 0x0820, 0x0A }, - { 0x0821, 0x00 }, - { 0x0822, 0x00 }, - { 0x0823, 0x00 }, + REG16(IMX258_REG_EXCK_FREQ, 0x1800), + REG8(IMX258_REG_IVTPXCK_DIV, 5), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 4), + REG16(IMX258_REG_PLL_IVT_MPY, 0x006B), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 1), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x0A00), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0x0000), }; static const struct imx258_reg mipi_642mbps_24mhz_4l[] = { - { 0x0136, 0x18 }, - { 0x0137, 0x00 }, - { 0x0301, 0x05 }, - { 0x0303, 0x02 }, - { 0x0305, 0x04 }, - { 0x0306, 0x00 }, - { 0x0307, 0x6B }, - { 0x0309, 0x0A }, - { 0x030B, 0x01 }, - { 0x030D, 0x02 }, - { 0x030E, 0x00 }, - { 0x030F, 0xD8 }, - { 0x0310, 0x00 }, - - { 0x0114, 0x03 }, - { 0x0820, 0x0A }, - { 0x0821, 0x00 }, - { 0x0822, 0x00 }, - { 0x0823, 0x00 }, + REG16(IMX258_REG_EXCK_FREQ, 0x1800), + REG8(IMX258_REG_IVTPXCK_DIV, 5), + REG8(IMX258_REG_IVTSYCK_DIV, 2), + REG8(IMX258_REG_PREPLLCK_VT_DIV, 4), + REG16(IMX258_REG_PLL_IVT_MPY, 0x006B), + REG8(IMX258_REG_IOPPXCK_DIV, 10), + REG8(IMX258_REG_IOPSYCK_DIV, 1), + REG8(IMX258_REG_PREPLLCK_OP_DIV, 2), + REG16(IMX258_REG_PLL_IOP_MPY, 0x00D8), + REG8(IMX258_REG_PLL_MULT_DRIV, 0), + + REG8(IMX258_REG_CSI_LANE_MODE, 3), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_H, 0x0A00), + REG16(IMX258_REG_REQ_LINK_BIT_RATE_MBPS_L, 0x0000), }; static const struct imx258_reg mode_common_regs[] = { @@ -363,45 +368,29 @@ static const struct imx258_reg mode_common_regs[] = { { 0x7423, 0xD7 }, { 0x5F04, 0x00 }, { 0x5F05, 0xED }, - { 0x0112, 0x0A }, - { 0x0113, 0x0A }, - { 0x0342, 0x14 }, - { 0x0343, 0xE8 }, - { 0x0344, 0x00 }, - { 0x0345, 0x00 }, - { 0x0346, 0x00 }, - { 0x0347, 0x00 }, - { 0x0348, 0x10 }, - { 0x0349, 0x6F }, - { 0x034A, 0x0C }, - { 0x034B, 0x2F }, - { 0x0381, 0x01 }, - { 0x0383, 0x01 }, - { 0x0385, 0x01 }, - { 0x0387, 0x01 }, - { 0x0404, 0x00 }, - { 0x0408, 0x00 }, - { 0x0409, 0x00 }, - { 0x040A, 0x00 }, - { 0x040B, 0x00 }, - { 0x040C, 0x10 }, - { 0x040D, 0x70 }, - { 0x3038, 0x00 }, - { 0x303A, 0x00 }, - { 0x303B, 0x10 }, - { 0x300D, 0x00 }, - { 0x0350, 0x00 }, - { 0x0204, 0x00 }, - { 0x0205, 0x00 }, - { 0x020E, 0x01 }, - { 0x020F, 0x00 }, - { 0x0210, 0x01 }, - { 0x0211, 0x00 }, - { 0x0212, 0x01 }, - { 0x0213, 0x00 }, - { 0x0214, 0x01 }, - { 0x0215, 0x00 }, - { 0x7BCD, 0x00 }, + REG16(IMX258_REG_CSI_DT_FMT, 0x0a0a), + REG16(IMX258_REG_LINE_LENGTH_PCK, 5352 ), + REG16(IMX258_REG_X_ADD_STA, 0), + REG16(IMX258_REG_Y_ADD_STA, 0), + REG16(IMX258_REG_X_ADD_END, 4207), + REG16(IMX258_REG_Y_ADD_END, 3119), + REG8(IMX258_REG_X_EVN_INC, 1), + REG8(IMX258_REG_X_ODD_INC, 1), + REG8(IMX258_REG_Y_EVN_INC, 1), + REG8(IMX258_REG_Y_ODD_INC, 1), + REG16(IMX258_REG_DIG_CROP_X_OFFSET, 0), + REG16(IMX258_REG_DIG_CROP_Y_OFFSET, 0), + REG16(IMX258_REG_DIG_CROP_IMAGE_WIDTH, 4208), + REG8(IMX258_REG_SCALE_MODE_EXT, 0), + REG16(IMX258_REG_SCALE_M_EXT, 16), + REG8(IMX258_REG_FORCE_FD_SUM, 0), + REG8(IMX258_REG_FRM_LENGTH_CTL, 0), + REG16(IMX258_REG_ANALOG_GAIN, 0), + REG16(IMX258_REG_GR_DIGITAL_GAIN, 256), + REG16(IMX258_REG_R_DIGITAL_GAIN, 256), + REG16(IMX258_REG_B_DIGITAL_GAIN, 256), + REG16(IMX258_REG_GB_DIGITAL_GAIN, 256), + REG8(IMX258_REG_AF_WINDOW_MODE, 0), { 0x94DC, 0x20 }, { 0x94DD, 0x20 }, { 0x94DE, 0x20 }, @@ -414,48 +403,39 @@ static const struct imx258_reg mode_common_regs[] = { { 0x941B, 0x50 }, { 0x9519, 0x50 }, { 0x951B, 0x50 }, - { 0x3030, 0x00 }, - { 0x3032, 0x00 }, - { 0x0220, 0x00 }, + REG8(IMX258_REG_PHASE_PIX_OUTEN, 0), + REG8(IMX258_REG_PDPIX_DATA_RATE, 0), + REG8(IMX258_REG_HDR, 0), }; static const struct imx258_reg mode_4208x3120_regs[] = { - { 0x0900, 0x00 }, - { 0x0901, 0x11 }, - { 0x0401, 0x00 }, - { 0x0405, 0x10 }, - { 0x040E, 0x0C }, - { 0x040F, 0x30 }, - { 0x034C, 0x10 }, - { 0x034D, 0x70 }, - { 0x034E, 0x0C }, - { 0x034F, 0x30 }, + REG8(IMX258_REG_BINNING_MODE, 0), + REG8(IMX258_REG_BINNING_TYPE_V, 0x11), + REG8(IMX258_REG_SCALE_MODE, 0), + REG16(IMX258_REG_SCALE_M, 16), + REG16(IMX258_REG_DIG_CROP_IMAGE_HEIGHT, 3120), + REG16(IMX258_REG_X_OUT_SIZE, 4208), + REG16(IMX258_REG_Y_OUT_SIZE, 3120), }; static const struct imx258_reg mode_2104_1560_regs[] = { - { 0x0900, 0x01 }, - { 0x0901, 0x12 }, - { 0x0401, 0x01 }, - { 0x0405, 0x20 }, - { 0x040E, 0x06 }, - { 0x040F, 0x18 }, - { 0x034C, 0x08 }, - { 0x034D, 0x38 }, - { 0x034E, 0x06 }, - { 0x034F, 0x18 }, + REG8(IMX258_REG_BINNING_MODE, 1), + REG8(IMX258_REG_BINNING_TYPE_V, 0x12), + REG8(IMX258_REG_SCALE_MODE, 1), + REG16(IMX258_REG_SCALE_M, 32), + REG16(IMX258_REG_DIG_CROP_IMAGE_HEIGHT, 1560), + REG16(IMX258_REG_X_OUT_SIZE, 2104), + REG16(IMX258_REG_Y_OUT_SIZE, 1560), }; static const struct imx258_reg mode_1048_780_regs[] = { - { 0x0900, 0x01 }, - { 0x0901, 0x14 }, - { 0x0401, 0x01 }, - { 0x0405, 0x40 }, - { 0x040E, 0x03 }, - { 0x040F, 0x0C }, - { 0x034C, 0x04 }, - { 0x034D, 0x18 }, - { 0x034E, 0x03 }, - { 0x034F, 0x0C }, + REG8(IMX258_REG_BINNING_MODE, 1), + REG8(IMX258_REG_BINNING_TYPE_V, 0x14), + REG8(IMX258_REG_SCALE_MODE, 1), + REG16(IMX258_REG_SCALE_M, 64), + REG16(IMX258_REG_DIG_CROP_IMAGE_HEIGHT, 780), + REG16(IMX258_REG_X_OUT_SIZE, 1048), + REG16(IMX258_REG_Y_OUT_SIZE, 780), }; struct imx258_variant_cfg { @@ -930,7 +910,7 @@ static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) } break; case V4L2_CID_VBLANK: - ret = imx258_write_reg(imx258, IMX258_REG_VTS, + ret = imx258_write_reg(imx258, IMX258_REG_FRM_LENGTH_LINES, IMX258_REG_VALUE_16BIT, imx258->cur_mode->height + ctrl->val); break; From patchwork Wed Mar 27 23:17:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607701 Received: from mail-108-mta226.mxroute.com (mail-108-mta226.mxroute.com [136.175.108.226]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA1E6156222 for ; 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bh=bZsei1tpRAidGrbzZBEBrMkrAWAYUFFFPXs9zNhTnjM=; b=CQZa0O3PSCbFR1uiO7kH14OhAl MRIrBoW588+LBeFTMgqoC9m6Q6QhFF9QJXofPkO5Y608wcdb0mwdS6uG971ktGYzOVPFDlYRrMxT5 IdUr7FImKuxuMA+r9BaBdB+OKEHWTAGM2a1CpTzW/dkctGnYYIiOghw5joJ7TBgpxNhMvXDT9KF+5 +tx2NWcH66UGXEkkA8Sv+WMKabdhX1UQ6i5zz7Zu8XnkY2SXNq6/B+3VvboiVrKMTNrmjlSlcQiDT nACFUSO4pwvsJzaOX+uq8qWVO65/VB4hXQnNfhxEKxrgq/aDrjIKRVHJ34Zf6krUjS6W9wFpMESaN 3sPxq0kg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 , Ondrej Jirman Subject: [PATCH 22/23] drivers: media: i2c: imx258: Add support for powerdown gpio Date: Wed, 27 Mar 2024 17:17:08 -0600 Message-ID: <20240327231710.53188-23-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Luigi311 On some boards powerdown signal needs to be deasserted for this sensor to be enabled. Signed-off-by: Ondrej Jirman --- .../devicetree/bindings/media/i2c/sony,imx258.yaml | 4 ++++ drivers/media/i2c/imx258.c | 13 +++++++++++++ 2 files changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml index c7856de15ba3..0414085bf22f 100644 --- a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml @@ -35,6 +35,10 @@ properties: reg: maxItems: 1 + powerdown-gpios: + description: |- + Reference to the GPIO connected to the PWDN pin, if any. + reset-gpios: description: |- Reference to the GPIO connected to the XCLR pin, if any. diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index c559a06bf180..d8c51d5f04e0 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -686,6 +686,8 @@ struct imx258 { unsigned int lane_mode_idx; unsigned int csi2_flags; + struct gpio_desc *powerdown_gpio; + /* * Mutex for serialized access: * Protect sensor module set pad format and start/stop streaming safely. @@ -1220,6 +1222,8 @@ static int imx258_power_on(struct device *dev) struct imx258 *imx258 = to_imx258(sd); int ret; + gpiod_set_value_cansleep(imx258->powerdown_gpio, 0); + ret = regulator_bulk_enable(IMX258_NUM_SUPPLIES, imx258->supplies); if (ret) { @@ -1231,6 +1235,7 @@ static int imx258_power_on(struct device *dev) ret = clk_prepare_enable(imx258->clk); if (ret) { dev_err(dev, "failed to enable clock\n"); + gpiod_set_value_cansleep(imx258->powerdown_gpio, 1); regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); } @@ -1245,6 +1250,8 @@ static int imx258_power_off(struct device *dev) clk_disable_unprepare(imx258->clk); regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); + gpiod_set_value_cansleep(imx258->powerdown_gpio, 1); + return 0; } @@ -1548,6 +1555,12 @@ static int imx258_probe(struct i2c_client *client) if (!imx258->variant_cfg) imx258->variant_cfg = &imx258_cfg; + /* request optional power down pin */ + imx258->powerdown_gpio = devm_gpiod_get_optional(&client->dev, "powerdown", + GPIOD_OUT_HIGH); + if (IS_ERR(imx258->powerdown_gpio)) + return PTR_ERR(imx258->powerdown_gpio); + /* Initialize subdev */ v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops); From patchwork Wed Mar 27 23:17:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607667 Received: from mail-108-mta20.mxroute.com (mail-108-mta20.mxroute.com [136.175.108.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1771B152160 for ; Wed, 27 Mar 2024 23:18:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.20 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581486; cv=none; b=cNuOBctYsS4WaDCxnBFdKAorbsj7Ctc/3t1kb/hy58q1zPQKLKnvBNKESA/iYkhMDtJlU+ihetcNwKD9JOjsmGR1PGvzIbIpXKjNHRqg8fZPh/XYYAe0kAEwgL82qNIP28N3fDv/ACbgHY64Kw+8lOw5N7/+MHWtDXjz2sUSpOY= ARC-Message-Signature: i=1; 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Wed, 27 Mar 2024 23:18:03 +0000 X-Zone-Loop: ed48c9ae1baba35f06f57f47279d12e06b0263533049 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=LjTpuhBdOaCqahODS/RH8FzgsjiJhHlH8fSAiGxPvj0=; b=RhqwllJSBTxd/TzOcE9rhrNwm/ ojUPMl2wS6Zrqe/2JHwhaHKHw98UlTxqsAr5cRSbd4WFMsrgLhtqKkLPjiLHnKAuoCbUOGpC9BRlT LSRjKfvQGq5BsSX16E+OxL25FMF6o0MxG0RaEJPBlB8gUKO0iS6EBFroAgerWKVL1vqJPICZQC4pd rfjN9rIx3y0rOpONq26ezELw0VlWXvhASTYQ0TuqCtc+W0IXoxJgIxDMYyGKN5fz1f06CXkAldUW2 /dnfLu3eQN5sT5HyuE853SpSJXAQ//2Jnc68M1Jf9Olo54V2ynbRbqa5fPPdGEYt3NPvhKbmGLL3S k2JD6JFg==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Luigi311 , Ondrej Jirman Subject: [PATCH 23/23] drivers: media: i2c: imx258: Add support for reset gpio Date: Wed, 27 Mar 2024 17:17:09 -0600 Message-ID: <20240327231710.53188-24-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Luigi311 It was documented in DT, but not implemented. Signed-off-by: Ondrej Jirman --- drivers/media/i2c/imx258.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index d8c51d5f04e0..42e1c9246bed 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -687,6 +687,7 @@ struct imx258 { unsigned int csi2_flags; struct gpio_desc *powerdown_gpio; + struct gpio_desc *reset_gpio; /* * Mutex for serialized access: @@ -1239,7 +1240,11 @@ static int imx258_power_on(struct device *dev) regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); } - return ret; + gpiod_set_value_cansleep(imx258->reset_gpio, 0); + + usleep_range(400, 500); + + return 0; } static int imx258_power_off(struct device *dev) @@ -1250,6 +1255,7 @@ static int imx258_power_off(struct device *dev) clk_disable_unprepare(imx258->clk); regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); + gpiod_set_value_cansleep(imx258->reset_gpio, 1); gpiod_set_value_cansleep(imx258->powerdown_gpio, 1); return 0; @@ -1561,6 +1567,12 @@ static int imx258_probe(struct i2c_client *client) if (IS_ERR(imx258->powerdown_gpio)) return PTR_ERR(imx258->powerdown_gpio); + /* request optional reset pin */ + imx258->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", + GPIOD_OUT_HIGH); + if (IS_ERR(imx258->reset_gpio)) + return PTR_ERR(imx258->reset_gpio); + /* Initialize subdev */ v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops);