From patchwork Wed Jun 15 15:14:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 582122 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8DFDC433EF for ; Wed, 15 Jun 2022 15:15:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346997AbiFOPPr (ORCPT ); Wed, 15 Jun 2022 11:15:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347422AbiFOPPn (ORCPT ); Wed, 15 Jun 2022 11:15:43 -0400 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::221]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CEFD3E0C1; Wed, 15 Jun 2022 08:15:40 -0700 (PDT) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id 717F7240017; Wed, 15 Jun 2022 15:15:36 +0000 (UTC) From: Jacopo Mondi To: dave.stevenson@raspberrypi.com Cc: Jacopo Mondi , david.plowman@raspberrypi.com, laurent.pinchart@ideasonboard.com, Valentine Barshak , linux-renesas-soc@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH 5/5] media: ov5647: Add support for test patterns Date: Wed, 15 Jun 2022 17:14:57 +0200 Message-Id: <20220615151457.415038-6-jacopo@jmondi.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220615151457.415038-1-jacopo@jmondi.org> References: <20220615151457.415038-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support for V4L2_CID_TEST_PATTERN. Based on a patch from Renesas R-Car BSP 4.1.0 from Valentine Barshak Signed-off-by: Jacopo Mondi --- drivers/media/i2c/ov5647.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c index 0a3e4acec036..68e56b0d8153 100644 --- a/drivers/media/i2c/ov5647.c +++ b/drivers/media/i2c/ov5647.c @@ -60,6 +60,7 @@ #define OV5647_REG_MIPI_CTRL00 0x4800 #define OV5647_REG_MIPI_CTRL14 0x4814 #define OV5647_REG_AWB 0x5001 +#define OV5647_REG_ISP_CTRL3D 0x503d #define REG_TERM 0xfffe #define VAL_TERM 0xfe @@ -812,6 +813,22 @@ static const struct ov5647_mode ov5647_8_bpp_modes[] = { #define OV5647_DEFAULT_MODE (&ov5647_10_bpp_modes[3]) #define OV5647_DEFAULT_FORMAT (ov5647_10_bpp_modes[3].format) +static const char * const ov5647_test_pattern_menu[] = { + "Disabled", + "Color Bars", + "Color Squares", + "Random Data", + "Input Data" +}; + +static u8 ov5647_test_pattern_val[] = { + 0x00, /* Disabled */ + 0x80, /* Color Bars */ + 0x82, /* Color Squares */ + 0x81, /* Random Data */ + 0x83, /* Input Data */ +}; + static int ov5647_write16(struct v4l2_subdev *sd, u16 reg, u16 val) { unsigned char data[4] = { reg >> 8, reg & 0xff, val >> 8, val & 0xff}; @@ -1582,6 +1599,10 @@ static int ov5647_s_ctrl(struct v4l2_ctrl *ctrl) ov5647_s_flip(sd, OV5647_REG_VFLIP, ctrl->val); break; + case V4L2_CID_TEST_PATTERN: + ret = ov5647_write(sd, OV5647_REG_ISP_CTRL3D, + ov5647_test_pattern_val[ctrl->val]); + break; default: dev_info(&client->dev, "Control (id:0x%x, val:0x%x) not supported\n", @@ -1604,7 +1625,7 @@ static int ov5647_init_controls(struct ov5647 *sensor, struct device *dev) int hblank, exposure_max, exposure_def; struct v4l2_fwnode_device_properties props; - v4l2_ctrl_handler_init(&sensor->ctrls, 10); + v4l2_ctrl_handler_init(&sensor->ctrls, 11); v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops, V4L2_CID_AUTOGAIN, 0, 1, 1, 0); @@ -1658,6 +1679,11 @@ static int ov5647_init_controls(struct ov5647 *sensor, struct device *dev) if (sensor->vflip) sensor->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; + v4l2_ctrl_new_std_menu_items(&sensor->ctrls, &ov5647_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov5647_test_pattern_menu) - 1, + 0, 0, ov5647_test_pattern_menu); + v4l2_fwnode_device_parse(dev, &props); v4l2_ctrl_new_fwnode_properties(&sensor->ctrls, &ov5647_ctrl_ops,