From patchwork Wed Apr 3 15:03:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13616312 Received: from mail-108-mta190.mxroute.com (mail-108-mta190.mxroute.com [136.175.108.190]) (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 AB7D814A4C6 for ; Wed, 3 Apr 2024 15:09:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.190 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712156956; cv=none; b=ZfV1gPrKzcSbtwnUJgwXy/BzvrSbXRjPkfDnQXB3gFGqYpjG/EkfF1TiMJ9lL06kJ8fRVf9zfl+rP59UrU4zDRjSraEx/Qcra0msPh2NWMUAQjUUaXsZknwz5fSawLhClRlGFpoGxdUZrVNBBTLpKeUZmcr6Rz3AzVHPbdYCgLw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712156956; c=relaxed/simple; bh=2KiDPIPrAyEOmsxZKZY3Y3qTYbPl9CiEweth8BOHzBA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ardqQ30n2YDg2oqTx1vVTqsRj1PtP8q6Y2K1vy3UONfInrJLaqxMRJKCh/Je7ovd97LzaPCSSeHLv7Gqbux+OAoEECF0GmaSyMyyIfi8p/uswSTKyXS+8rkLpsxIxr62yok2UXqxiuFHB1fz42/xFoAFk+v+oWG2UzBGQStmxcg= 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=1nUEMgzb; arc=none smtp.client-ip=136.175.108.190 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="1nUEMgzb" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta190.mxroute.com (ZoneMTA) with ESMTPSA id 18ea480a7640003bea.011 for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 03 Apr 2024 15:07:58 +0000 X-Zone-Loop: ec1f1c7391900ac5b18e348b19eab40a7f789042f458 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=ErGfBiv96IhRXR9lVyx7qpOcKhdhC9HLbuBBkY+Bp80=; b=1nUEMgzbJGXtMzpiaatw3Kd+uc WQQWV/C8zDnRyJdwclSAHiq+Zl5ojA89XtNu4gYRfTM6+6VxXWh29ATi+nuvHG3vd6r0EIlPAijEv jZyEP2HtwPS0D415J505BPxNCsc+g1xuDoDHIir88qv7XLWSDhiw+VmYXHFk8RadKg1g43ZhRCd8v eyG97HTx6F9+YAYyXzMTGvtD4aRHBOTEmx7EscXtYGOi2Es4EOSBk4wKjCkbYvLy+18SIaMibhAXX 7zSHbOM4Jg8psjDyS2gDEAGgKiLZ2XJFHGRAuTGo+nk8vbQ7ECBZL+I0YR8OMgoa8vyTeRAbD7ys0 qfvKXvhg==; 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, pavel@ucw.cz, phone-devel@vger.kernel.org, Luis Garcia Subject: [PATCH v3 20/25] media: i2c: imx258: Make HFLIP and VFLIP controls writable Date: Wed, 3 Apr 2024 09:03:49 -0600 Message-ID: <20240403150355.189229-21-git@luigi311.com> In-Reply-To: <20240403150355.189229-1-git@luigi311.com> References: <20240403150355.189229-1-git@luigi311.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org 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: Luis Garcia --- 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 fa48da212037..e2ecf6109516 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", @@ -671,6 +688,8 @@ 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; @@ -769,9 +788,23 @@ 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; @@ -779,7 +812,7 @@ 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 */ @@ -872,10 +905,6 @@ 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) { @@ -898,6 +927,15 @@ 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", @@ -919,11 +957,13 @@ 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; } @@ -932,10 +972,11 @@ 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; @@ -946,12 +987,13 @@ 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; } @@ -963,7 +1005,7 @@ 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; } @@ -999,13 +1041,12 @@ 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; @@ -1156,15 +1197,6 @@ 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) @@ -1317,7 +1349,6 @@ 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; @@ -1342,16 +1373,15 @@ 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;