From patchwork Tue Sep 10 13:04:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongchun Zhu X-Patchwork-Id: 11139505 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 26E9976 for ; Tue, 10 Sep 2019 13:05:29 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 055F420872 for ; Tue, 10 Sep 2019 13:05:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lCwv4OXm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 055F420872 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wuEL2X+uVdOGHE/mAvWAE2xYz3M+1Kj4A1MDEQR38EE=; b=lCwv4OXm+WukCa T7W6IDEPzfYHu4SpHleoSwCgBpxd1hhN8PonoDfOeGFGCRqcmQXZkxZpyWCMuPo53KX/96mUmhak5 0NP4Od1eYCQyOFKROkZ3hqysOmCZNykxhfrrvUTwteHbkpLdIXPBEbZAOQwYLvHdy6QkZQ5zGgTC0 YjgXn5hYZG8xqbCfAggdIN7Xas0JyHUgJdWlv6d5H+ZlkIjWoaX0c8qHiWdKLFDss9fgTJFO0GJLr gl/SNXkvCVsG8QCVCuOkV0gDrvPcACGVkpfC69kX+F3hvBphnbbEIDeKUsYOmx/gVfmKKF1Cmupp4 wOnOzVw24ghtfVeNg6jg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i7fpn-0008Oz-E6; Tue, 10 Sep 2019 13:05:27 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i7fpR-00079J-Aj; Tue, 10 Sep 2019 13:05:06 +0000 X-UUID: 6ec13b4283674d38a3b4c792f40378e7-20190910 X-UUID: 6ec13b4283674d38a3b4c792f40378e7-20190910 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 206600382; Tue, 10 Sep 2019 05:04:54 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 10 Sep 2019 06:04:52 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 10 Sep 2019 21:04:50 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 10 Sep 2019 21:04:50 +0800 From: To: , , , , , , , , Subject: [V2, 1/2] media: dt-bindings: media: i2c: Add bindings for ov8856 Date: Tue, 10 Sep 2019 21:04:45 +0800 Message-ID: <20190910130446.26413-2-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 In-Reply-To: <20190910130446.26413-1-dongchun.zhu@mediatek.com> References: <20190910130446.26413-1-dongchun.zhu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190910_060505_448361_AA8F79DE X-CRM114-Status: GOOD ( 11.41 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, shengnan.wang@mediatek.com, sj.huang@mediatek.com, linux-mediatek@lists.infradead.org, dongchun.zhu@mediatek.com, louis.kuo@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Dongchun Zhu This patch adds device tree bindings documentation for the ov8856 CMOS image sensor. Signed-off-by: Dongchun Zhu --- .../devicetree/bindings/media/i2c/ov8856.txt | 51 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov8856.txt diff --git a/Documentation/devicetree/bindings/media/i2c/ov8856.txt b/Documentation/devicetree/bindings/media/i2c/ov8856.txt new file mode 100644 index 0000000..99c654a --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov8856.txt @@ -0,0 +1,51 @@ +* Omnivision OV8856 MIPI CSI-2 sensor + +Required Properties: +- compatible: Shall be "ovti,ov8856" +- reg: I2C bus address of the device. Depending on how the sensor is wired, + it shall be <0x10>. +- clocks: Reference to the xvclk input clock. +- clock-names: Shall be "xvclk". +- clock-frequency: Frequency of the xclk clock. +- dovdd-supply: Digital I/O voltage supply, 1.8 volts +- avdd-supply: Analog voltage supply, 2.8 volts +- dvdd-supply: Digital core voltage supply, 1.5 volts +- reset-gpios: High active reset gpio + +The device node shall contain one 'port' child node with +an 'endpoint' subnode. For further reading on port node refer to +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Required Properties on endpoint: +- data-lanes: check ../video-interfaces.txt +- link-frequencies: check ../video-interfaces.txt +- remote-endpoint: check ../video-interfaces.txt + +Example: + +&i2c1 { + ov8856: camera-sensor@10 { + compatible = "ovti,ov8856"; + reg = <0x10>; + pinctrl-names = "default"; + pinctrl-0 = <&clk_24m_cam>; + + clocks = <&cru SCLK_TESTCLKOUT1>; + clock-names = "xvclk"; + clock-frequency = <19200000>; + + avdd-supply = <&mt6358_vcama2_reg>; + dvdd-supply = <&mt6358_vcamd_reg>; + dovdd-supply = <&mt6358_vcamio_reg>; + reset-gpios = <&pio 111 GPIO_ACTIVE_HIGH>; + + port { + /* MIPI CSI-2 bus endpoint */ + wcam_out: endpoint { + remote-endpoint = <&mipi_in_wcam>; + data-lanes = <1 2 3 4>; + link-frequencies = /bits/ 64 <360000000 180000000>; + }; + }; + }; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 783569e..7746c6b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11889,6 +11889,7 @@ L: linux-media@vger.kernel.org T: git git://linuxtv.org/media_tree.git S: Maintained F: drivers/media/i2c/ov8856.c +F: Documentation/devicetree/bindings/media/i2c/ov8856.txt OMNIVISION OV9650 SENSOR DRIVER M: Sakari Ailus From patchwork Tue Sep 10 13:04:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongchun Zhu X-Patchwork-Id: 11139501 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 28E4276 for ; Tue, 10 Sep 2019 13:05:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F117C20872 for ; Tue, 10 Sep 2019 13:05:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Rsyq7zDF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F117C20872 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; 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Tue, 10 Sep 2019 13:05:05 +0000 X-UUID: a3980f1b58d64ec09b7dd91700fd056c-20190910 X-UUID: a3980f1b58d64ec09b7dd91700fd056c-20190910 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1402907106; Tue, 10 Sep 2019 05:04:55 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 10 Sep 2019 06:04:54 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 10 Sep 2019 21:04:53 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 10 Sep 2019 21:04:51 +0800 From: To: , , , , , , , , Subject: [V2, 2/2] media: i2c: Add more sensor modes for ov8856 camera sensor Date: Tue, 10 Sep 2019 21:04:46 +0800 Message-ID: <20190910130446.26413-3-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 In-Reply-To: <20190910130446.26413-1-dongchun.zhu@mediatek.com> References: <20190910130446.26413-1-dongchun.zhu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190910_060502_729113_DAD6CAC2 X-CRM114-Status: GOOD ( 13.36 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, shengnan.wang@mediatek.com, sj.huang@mediatek.com, linux-mediatek@lists.infradead.org, dongchun.zhu@mediatek.com, louis.kuo@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Dongchun Zhu This patch mainly adds two more sensor modes for OV8856 CMOS image sensor. That is, the resolution of 1632*1224 and 3264*2448, corresponding to the bayer order of BGGR. The sensor revision also differs in some OTP register. Signed-off-by: Dongchun Zhu --- drivers/media/i2c/ov8856.c | 654 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 639 insertions(+), 15 deletions(-) struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = 0; + u32 val; if (ov8856->streaming == enable) return 0; @@ -908,6 +1425,44 @@ static int ov8856_set_stream(struct v4l2_subdev *sd, int enable) return ret; } +static int __ov8856_power_on(struct ov8856 *ov8856) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); + int ret; + + ret = clk_prepare_enable(ov8856->xvclk); + if (ret < 0) { + dev_err(&client->dev, "failed to enable xvclk\n"); + return ret; + } + + gpiod_set_value_cansleep(ov8856->n_shutdn_gpio, GPIOD_OUT_LOW); + + ret = regulator_bulk_enable(OV8856_NUM_SUPPLIES, ov8856->supplies); + if (ret < 0) { + dev_err(&client->dev, "failed to enable regulators\n"); + goto disable_clk; + } + + gpiod_set_value_cansleep(ov8856->n_shutdn_gpio, GPIOD_OUT_HIGH); + + usleep_range(1400, 1500); + + return 0; + +disable_clk: + clk_disable_unprepare(ov8856->xvclk); + + return ret; +} + +static void __ov8856_power_off(struct ov8856 *ov8856) +{ + gpiod_set_value_cansleep(ov8856->n_shutdn_gpio, 1); + regulator_bulk_disable(OV8856_NUM_SUPPLIES, ov8856->supplies); + clk_disable_unprepare(ov8856->xvclk); +} + static int __maybe_unused ov8856_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -951,6 +1506,7 @@ static int ov8856_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_format *fmt) { struct ov8856 *ov8856 = to_ov8856(sd); + struct v4l2_mbus_framefmt *mbus_fmt = &fmt->format; const struct ov8856_mode *mode; s32 vblank_def, h_blank; @@ -960,7 +1516,9 @@ static int ov8856_set_format(struct v4l2_subdev *sd, fmt->format.height); mutex_lock(&ov8856->mutex); - ov8856_update_pad_format(mode, &fmt->format); + mbus_fmt->code = ov8856->fmt.code; + ov8856_update_pad_format(mode, mbus_fmt); + ov8856->fmt = fmt->format; if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; } else { @@ -992,13 +1550,17 @@ static int ov8856_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_format *fmt) { struct ov8856 *ov8856 = to_ov8856(sd); + struct v4l2_mbus_framefmt *mbus_fmt = &fmt->format; mutex_lock(&ov8856->mutex); - if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { fmt->format = *v4l2_subdev_get_try_format(&ov8856->sd, cfg, fmt->pad); - else - ov8856_update_pad_format(ov8856->cur_mode, &fmt->format); + } else { + fmt->format = ov8856->fmt; + ov8856_update_pad_format(ov8856->cur_mode, mbus_fmt); + mbus_fmt->code = ov8856->fmt.code; + } mutex_unlock(&ov8856->mutex); @@ -1009,11 +1571,12 @@ static int ov8856_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { - /* Only one bayer order GRBG is supported */ + struct ov8856 *ov8856 = to_ov8856(sd); + if (code->index > 0) return -EINVAL; - code->code = MEDIA_BUS_FMT_SGRBG10_1X10; + code->code = ov8856->fmt.code; return 0; } @@ -1089,6 +1652,20 @@ static int ov8856_identify_module(struct ov8856 *ov8856) return -ENXIO; } + /* check sensor hardware revision */ + ret = ov8856_check_revision(ov8856); + if (ret) { + dev_err(&client->dev, "failed to check sensor revision"); + return ret; + } + + ret = ov8856_read_reg(ov8856, OV8856_MODULE_REVISION, + OV8856_REG_VALUE_08BIT, &val); + if (ret) + return ret; + + ov8856->is_1B_revision = (val == OV8856_1B_MODULE) ? 1 : 0; + return 0; } @@ -1107,7 +1684,7 @@ static int ov8856_check_hwcfg(struct device *dev) return -ENXIO; fwnode_property_read_u32(fwnode, "clock-frequency", &mclk); - if (mclk != OV8856_MCLK) { + if (mclk != OV8856_XVCLK) { dev_err(dev, "external clock %d is not supported", mclk); return -EINVAL; } @@ -1164,6 +1741,9 @@ static int ov8856_remove(struct i2c_client *client) media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + __ov8856_power_off(ov8856); + pm_runtime_set_suspended(&client->dev); mutex_destroy(&ov8856->mutex); return 0; @@ -1172,6 +1752,7 @@ static int ov8856_remove(struct i2c_client *client) static int ov8856_probe(struct i2c_client *client) { struct ov8856 *ov8856; + unsigned int i; int ret; ret = ov8856_check_hwcfg(&client->dev); @@ -1186,6 +1767,42 @@ static int ov8856_probe(struct i2c_client *client) return -ENOMEM; v4l2_i2c_subdev_init(&ov8856->sd, client, &ov8856_subdev_ops); + ov8856->fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10; + + ov8856->xvclk = devm_clk_get(&client->dev, "xvclk"); + if (IS_ERR(ov8856->xvclk)) { + dev_err(&client->dev, "failed to get xvclk\n"); + return -EINVAL; + } + + ret = clk_set_rate(ov8856->xvclk, OV8856_XVCLK_TYP); + if (ret < 0) { + dev_err(&client->dev, "failed to set xvclk rate (24MHz)\n"); + return ret; + } + if (clk_get_rate(ov8856->xvclk) != OV8856_XVCLK_TYP) + dev_warn(&client->dev, + "xvclk mismatched, modes are based on 24MHz\n"); + + ov8856->n_shutdn_gpio = devm_gpiod_get(&client->dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(ov8856->n_shutdn_gpio)) { + dev_err(&client->dev, "failed to get reset-gpios\n"); + return -EINVAL; + } + + for (i = 0; i < OV8856_NUM_SUPPLIES; i++) + ov8856->supplies[i].supply = ov8856_supply_names[i]; + + ret = devm_regulator_bulk_get(&client->dev, OV8856_NUM_SUPPLIES, + ov8856->supplies); + if (ret) + dev_warn(&client->dev, "failed to get regulators\n"); + + ret = __ov8856_power_on(ov8856); + if (ret) + dev_warn(&client->dev, "failed to power on\n"); + ret = ov8856_identify_module(ov8856); if (ret) { dev_err(&client->dev, "failed to find sensor: %d", ret); @@ -1251,11 +1868,18 @@ static const struct acpi_device_id ov8856_acpi_ids[] = { MODULE_DEVICE_TABLE(acpi, ov8856_acpi_ids); #endif +static const struct of_device_id ov8856_of_match[] = { + { .compatible = "ovti,ov8856" }, + {}, +}; +MODULE_DEVICE_TABLE(of, ov8856_of_match); + static struct i2c_driver ov8856_i2c_driver = { .driver = { .name = "ov8856", .pm = &ov8856_pm_ops, .acpi_match_table = ACPI_PTR(ov8856_acpi_ids), + .of_match_table = ov8856_of_match, }, .probe_new = ov8856_probe, .remove = ov8856_remove, diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c index cd347d6..9ad0b73 100644 --- a/drivers/media/i2c/ov8856.c +++ b/drivers/media/i2c/ov8856.c @@ -1,12 +1,15 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Intel Corporation. +#include #include #include #include +#include #include #include #include +#include #include #include #include @@ -18,10 +21,15 @@ #define OV8856_LINK_FREQ_360MHZ 360000000ULL #define OV8856_LINK_FREQ_180MHZ 180000000ULL #define OV8856_SCLK 144000000ULL -#define OV8856_MCLK 19200000 +#define OV8856_XVCLK 19200000 +#define OV8856_XVCLK_TYP 24000000 #define OV8856_DATA_LANES 4 #define OV8856_RGB_DEPTH 10 +#define REG_X_ADDR_START 0x3808 +#define X_OUTPUT_FULL_SIZE 0x0cc0 +#define X_OUTPUT_BINNING_SIZE 0x0660 + #define OV8856_REG_CHIP_ID 0x300a #define OV8856_CHIP_ID 0x00885a @@ -29,6 +37,22 @@ #define OV8856_MODE_STANDBY 0x00 #define OV8856_MODE_STREAMING 0x01 +/* define 1B module revision */ +#define OV8856_1B_MODULE 0x02 + +/* the OTP read-out buffer is at 0x7000 and 0xf is the offset + * of the byte in the OTP that means the module revision + */ +#define OV8856_MODULE_REVISION 0x700f +#define OV8856_OTP_MODE_CTRL 0x3d84 +#define OV8856_OTP_LOAD_CTRL 0x3d81 +#define OV8856_OTP_MODE_AUTO 0x00 +#define OV8856_OTP_LOAD_CTRL_ENABLE BIT(0) + +/* Analog control register that decided by module revision */ +#define OV8856_ANAL_MODE_CTRL 0x3614 +#define OV8856_ANAL_1B_VAL 0x20 + /* vertical-timings from sensor */ #define OV8856_REG_VTS 0x380e #define OV8856_VTS_MAX 0x7fff @@ -64,6 +88,14 @@ #define to_ov8856(_sd) container_of(_sd, struct ov8856, sd) +static const char * const ov8856_supply_names[] = { + "dovdd", /* Digital I/O power */ + "avdd", /* Analog power */ + "dvdd", /* Digital core power */ +}; + +#define OV8856_NUM_SUPPLIES ARRAY_SIZE(ov8856_supply_names) + enum { OV8856_LINK_FREQ_720MBPS, OV8856_LINK_FREQ_360MBPS, @@ -195,11 +227,11 @@ static const struct ov8856_reg mode_3280x2464_regs[] = { {0x3800, 0x00}, {0x3801, 0x00}, {0x3802, 0x00}, - {0x3803, 0x06}, + {0x3803, 0x07}, {0x3804, 0x0c}, {0x3805, 0xdf}, {0x3806, 0x09}, - {0x3807, 0xa7}, + {0x3807, 0xa6}, {0x3808, 0x0c}, {0x3809, 0xd0}, {0x380a, 0x09}, @@ -211,7 +243,7 @@ static const struct ov8856_reg mode_3280x2464_regs[] = { {0x3810, 0x00}, {0x3811, 0x00}, {0x3812, 0x00}, - {0x3813, 0x01}, + {0x3813, 0x00}, {0x3814, 0x01}, {0x3815, 0x01}, {0x3816, 0x00}, @@ -316,6 +348,209 @@ static const struct ov8856_reg mode_3280x2464_regs[] = { {0x5e00, 0x00} }; +static const struct ov8856_reg mode_3264x2448_regs[] = { + {0x0103, 0x01}, + {0x0302, 0x3c}, + {0x0303, 0x01}, + {0x031e, 0x0c}, + {0x3000, 0x20}, + {0x3003, 0x08}, + {0x300e, 0x20}, + {0x3010, 0x00}, + {0x3015, 0x84}, + {0x3018, 0x72}, + {0x3021, 0x23}, + {0x3033, 0x24}, + {0x3500, 0x00}, + {0x3501, 0x9a}, + {0x3502, 0x20}, + {0x3503, 0x08}, + {0x3505, 0x83}, + {0x3508, 0x01}, + {0x3509, 0x80}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x350e, 0x04}, + {0x350f, 0x00}, + {0x3510, 0x00}, + {0x3511, 0x02}, + {0x3512, 0x00}, + {0x3600, 0x72}, + {0x3601, 0x40}, + {0x3602, 0x30}, + {0x3610, 0xc5}, + {0x3611, 0x58}, + {0x3612, 0x5c}, + {0x3613, 0xca}, + {0x3614, 0x60}, + {0x3628, 0xff}, + {0x3629, 0xff}, + {0x362a, 0xff}, + {0x3633, 0x10}, + {0x3634, 0x10}, + {0x3635, 0x10}, + {0x3636, 0x10}, + {0x3663, 0x08}, + {0x3669, 0x34}, + {0x366d, 0x00}, + {0x366e, 0x10}, + {0x3706, 0x86}, + {0x370b, 0x7e}, + {0x3714, 0x23}, + {0x3730, 0x12}, + {0x3733, 0x10}, + {0x3764, 0x00}, + {0x3765, 0x00}, + {0x3769, 0x62}, + {0x376a, 0x2a}, + {0x376b, 0x30}, + {0x3780, 0x00}, + {0x3781, 0x24}, + {0x3782, 0x00}, + {0x3783, 0x23}, + {0x3798, 0x2f}, + {0x37a1, 0x60}, + {0x37a8, 0x6a}, + {0x37ab, 0x3f}, + {0x37c2, 0x04}, + {0x37c3, 0xf1}, + {0x37c9, 0x80}, + {0x37cb, 0x16}, + {0x37cc, 0x16}, + {0x37cd, 0x16}, + {0x37ce, 0x16}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x0c}, + {0x3804, 0x0c}, + {0x3805, 0xdf}, + {0x3806, 0x09}, + {0x3807, 0xa3}, + {0x3808, 0x0c}, + {0x3809, 0xc0}, + {0x380a, 0x09}, + {0x380b, 0x90}, + {0x380c, 0x07}, + {0x380d, 0x8c}, + {0x380e, 0x09}, + {0x380f, 0xb2}, + {0x3810, 0x00}, + {0x3811, 0x04}, + {0x3812, 0x00}, + {0x3813, 0x02}, + {0x3814, 0x01}, + {0x3815, 0x01}, + {0x3816, 0x00}, + {0x3817, 0x00}, + {0x3818, 0x00}, + {0x3819, 0x00}, + {0x3820, 0x80}, + {0x3821, 0x46}, + {0x382a, 0x01}, + {0x382b, 0x01}, + {0x3830, 0x06}, + {0x3836, 0x02}, + {0x3862, 0x04}, + {0x3863, 0x08}, + {0x3cc0, 0x33}, + {0x3d85, 0x17}, + {0x3d8c, 0x73}, + {0x3d8d, 0xde}, + {0x4001, 0xe0}, + {0x4003, 0x40}, + {0x4008, 0x00}, + {0x4009, 0x0b}, + {0x400a, 0x00}, + {0x400b, 0x84}, + {0x400f, 0x80}, + {0x4010, 0xf0}, + {0x4011, 0xff}, + {0x4012, 0x02}, + {0x4013, 0x01}, + {0x4014, 0x01}, + {0x4015, 0x01}, + {0x4042, 0x00}, + {0x4043, 0x80}, + {0x4044, 0x00}, + {0x4045, 0x80}, + {0x4046, 0x00}, + {0x4047, 0x80}, + {0x4048, 0x00}, + {0x4049, 0x80}, + {0x4041, 0x03}, + {0x404c, 0x20}, + {0x404d, 0x00}, + {0x404e, 0x20}, + {0x4203, 0x80}, + {0x4307, 0x30}, + {0x4317, 0x00}, + {0x4502, 0x50}, + {0x4503, 0x08}, + {0x4601, 0x80}, + {0x4800, 0x44}, + {0x4816, 0x53}, + {0x481b, 0x50}, + {0x481f, 0x27}, + {0x4823, 0x3c}, + {0x482b, 0x00}, + {0x4831, 0x66}, + {0x4837, 0x16}, + {0x483c, 0x0f}, + {0x484b, 0x05}, + {0x5000, 0x77}, + {0x5001, 0x0a}, + {0x5003, 0xc8}, + {0x5004, 0x04}, + {0x5006, 0x00}, + {0x5007, 0x00}, + {0x502e, 0x03}, + {0x5030, 0x41}, + {0x5780, 0x14}, + {0x5781, 0x0f}, + {0x5782, 0x44}, + {0x5783, 0x02}, + {0x5784, 0x01}, + {0x5785, 0x01}, + {0x5786, 0x00}, + {0x5787, 0x04}, + {0x5788, 0x02}, + {0x5789, 0x0f}, + {0x578a, 0xfd}, + {0x578b, 0xf5}, + {0x578c, 0xf5}, + {0x578d, 0x03}, + {0x578e, 0x08}, + {0x578f, 0x0c}, + {0x5790, 0x08}, + {0x5791, 0x04}, + {0x5792, 0x00}, + {0x5793, 0x52}, + {0x5794, 0xa3}, + {0x5795, 0x02}, + {0x5796, 0x20}, + {0x5797, 0x20}, + {0x5798, 0xd5}, + {0x5799, 0xd5}, + {0x579a, 0x00}, + {0x579b, 0x50}, + {0x579c, 0x00}, + {0x579d, 0x2c}, + {0x579e, 0x0c}, + {0x579f, 0x40}, + {0x57a0, 0x09}, + {0x57a1, 0x40}, + {0x59f8, 0x3d}, + {0x5a08, 0x02}, + {0x5b00, 0x02}, + {0x5b01, 0x10}, + {0x5b02, 0x03}, + {0x5b03, 0xcf}, + {0x5b05, 0x6c}, + {0x5e00, 0x00}, + {0x5e10, 0xfc} +}; + static const struct ov8856_reg mode_1640x1232_regs[] = { {0x3000, 0x20}, {0x3003, 0x08}, @@ -385,11 +620,11 @@ static const struct ov8856_reg mode_1640x1232_regs[] = { {0x3800, 0x00}, {0x3801, 0x00}, {0x3802, 0x00}, - {0x3803, 0x06}, + {0x3803, 0x07}, {0x3804, 0x0c}, {0x3805, 0xdf}, {0x3806, 0x09}, - {0x3807, 0xa7}, + {0x3807, 0xa6}, {0x3808, 0x06}, {0x3809, 0x68}, {0x380a, 0x04}, @@ -401,7 +636,7 @@ static const struct ov8856_reg mode_1640x1232_regs[] = { {0x3810, 0x00}, {0x3811, 0x00}, {0x3812, 0x00}, - {0x3813, 0x01}, + {0x3813, 0x00}, {0x3814, 0x03}, {0x3815, 0x01}, {0x3816, 0x00}, @@ -506,6 +741,209 @@ static const struct ov8856_reg mode_1640x1232_regs[] = { {0x5e00, 0x00} }; +static const struct ov8856_reg mode_1632x1224_regs[] = { + {0x0103, 0x01}, + {0x0302, 0x3c}, + {0x0303, 0x01}, + {0x031e, 0x0c}, + {0x3000, 0x20}, + {0x3003, 0x08}, + {0x300e, 0x20}, + {0x3010, 0x00}, + {0x3015, 0x84}, + {0x3018, 0x72}, + {0x3021, 0x23}, + {0x3033, 0x24}, + {0x3500, 0x00}, + {0x3501, 0x4c}, + {0x3502, 0xe0}, + {0x3503, 0x08}, + {0x3505, 0x83}, + {0x3508, 0x01}, + {0x3509, 0x80}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x350e, 0x04}, + {0x350f, 0x00}, + {0x3510, 0x00}, + {0x3511, 0x02}, + {0x3512, 0x00}, + {0x3600, 0x72}, + {0x3601, 0x40}, + {0x3602, 0x30}, + {0x3610, 0xc5}, + {0x3611, 0x58}, + {0x3612, 0x5c}, + {0x3613, 0xca}, + {0x3614, 0x60}, + {0x3628, 0xff}, + {0x3629, 0xff}, + {0x362a, 0xff}, + {0x3633, 0x10}, + {0x3634, 0x10}, + {0x3635, 0x10}, + {0x3636, 0x10}, + {0x3663, 0x08}, + {0x3669, 0x34}, + {0x366d, 0x00}, + {0x366e, 0x08}, + {0x3706, 0x86}, + {0x370b, 0x7e}, + {0x3714, 0x27}, + {0x3730, 0x12}, + {0x3733, 0x10}, + {0x3764, 0x00}, + {0x3765, 0x00}, + {0x3769, 0x62}, + {0x376a, 0x2a}, + {0x376b, 0x30}, + {0x3780, 0x00}, + {0x3781, 0x24}, + {0x3782, 0x00}, + {0x3783, 0x23}, + {0x3798, 0x2f}, + {0x37a1, 0x60}, + {0x37a8, 0x6a}, + {0x37ab, 0x3f}, + {0x37c2, 0x14}, + {0x37c3, 0xf1}, + {0x37c9, 0x80}, + {0x37cb, 0x16}, + {0x37cc, 0x16}, + {0x37cd, 0x16}, + {0x37ce, 0x16}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x0c}, + {0x3804, 0x0c}, + {0x3805, 0xdf}, + {0x3806, 0x09}, + {0x3807, 0xa3}, + {0x3808, 0x06}, + {0x3809, 0x60}, + {0x380a, 0x04}, + {0x380b, 0xc8}, + {0x380c, 0x07}, + {0x380d, 0x8c}, + {0x380e, 0x09}, + {0x380f, 0xb2}, + {0x3810, 0x00}, + {0x3811, 0x02}, + {0x3812, 0x00}, + {0x3813, 0x02}, + {0x3814, 0x03}, + {0x3815, 0x01}, + {0x3816, 0x00}, + {0x3817, 0x00}, + {0x3818, 0x00}, + {0x3819, 0x00}, + {0x3820, 0x80}, + {0x3821, 0x47}, + {0x382a, 0x03}, + {0x382b, 0x01}, + {0x3830, 0x06}, + {0x3836, 0x02}, + {0x3862, 0x04}, + {0x3863, 0x08}, + {0x3cc0, 0x33}, + {0x3d85, 0x17}, + {0x3d8c, 0x73}, + {0x3d8d, 0xde}, + {0x4001, 0xe0}, + {0x4003, 0x40}, + {0x4008, 0x00}, + {0x4009, 0x05}, + {0x400a, 0x00}, + {0x400b, 0x84}, + {0x400f, 0x80}, + {0x4010, 0xf0}, + {0x4011, 0xff}, + {0x4012, 0x02}, + {0x4013, 0x01}, + {0x4014, 0x01}, + {0x4015, 0x01}, + {0x4042, 0x00}, + {0x4043, 0x80}, + {0x4044, 0x00}, + {0x4045, 0x80}, + {0x4046, 0x00}, + {0x4047, 0x80}, + {0x4048, 0x00}, + {0x4049, 0x80}, + {0x4041, 0x03}, + {0x404c, 0x20}, + {0x404d, 0x00}, + {0x404e, 0x20}, + {0x4203, 0x80}, + {0x4307, 0x30}, + {0x4317, 0x00}, + {0x4502, 0x50}, + {0x4503, 0x08}, + {0x4601, 0x80}, + {0x4800, 0x44}, + {0x4816, 0x53}, + {0x481b, 0x50}, + {0x481f, 0x27}, + {0x4823, 0x3c}, + {0x482b, 0x00}, + {0x4831, 0x66}, + {0x4837, 0x16}, + {0x483c, 0x0f}, + {0x484b, 0x05}, + {0x5000, 0x77}, + {0x5001, 0x0a}, + {0x5003, 0xc8}, + {0x5004, 0x04}, + {0x5006, 0x00}, + {0x5007, 0x00}, + {0x502e, 0x03}, + {0x5030, 0x41}, + {0x5795, 0x00}, + {0x5796, 0x10}, + {0x5797, 0x10}, + {0x5798, 0x73}, + {0x5799, 0x73}, + {0x579a, 0x00}, + {0x579b, 0x28}, + {0x579c, 0x00}, + {0x579d, 0x16}, + {0x579e, 0x06}, + {0x579f, 0x20}, + {0x57a0, 0x04}, + {0x57a1, 0xa0}, + {0x5780, 0x14}, + {0x5781, 0x0f}, + {0x5782, 0x44}, + {0x5783, 0x02}, + {0x5784, 0x01}, + {0x5785, 0x01}, + {0x5786, 0x00}, + {0x5787, 0x04}, + {0x5788, 0x02}, + {0x5789, 0x0f}, + {0x578a, 0xfd}, + {0x578b, 0xf5}, + {0x578c, 0xf5}, + {0x578d, 0x03}, + {0x578e, 0x08}, + {0x578f, 0x0c}, + {0x5790, 0x08}, + {0x5791, 0x04}, + {0x5792, 0x00}, + {0x5793, 0x52}, + {0x5794, 0xa3}, + {0x59f8, 0x3d}, + {0x5a08, 0x02}, + {0x5b00, 0x02}, + {0x5b01, 0x10}, + {0x5b02, 0x03}, + {0x5b03, 0xcf}, + {0x5b05, 0x6c}, + {0x5e00, 0x00}, + {0x5e10, 0xfc} +}; + static const char * const ov8856_test_pattern_menu[] = { "Disabled", "Standard Color Bar", @@ -548,6 +986,18 @@ static const struct ov8856_mode supported_modes[] = { .link_freq_index = OV8856_LINK_FREQ_720MBPS, }, { + .width = 3264, + .height = 2448, + .hts = 1932, + .vts_def = 2482, + .vts_min = 2482, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_3264x2448_regs), + .regs = mode_3264x2448_regs, + }, + .link_freq_index = OV8856_LINK_FREQ_720MBPS, + }, + { .width = 1640, .height = 1232, .hts = 3820, @@ -558,6 +1008,18 @@ static const struct ov8856_mode supported_modes[] = { .regs = mode_1640x1232_regs, }, .link_freq_index = OV8856_LINK_FREQ_360MBPS, + }, + { + .width = 1632, + .height = 1224, + .hts = 1932, + .vts_def = 2482, + .vts_min = 2482, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_1632x1224_regs), + .regs = mode_1632x1224_regs, + }, + .link_freq_index = OV8856_LINK_FREQ_360MBPS, } }; @@ -566,16 +1028,28 @@ struct ov8856 { struct media_pad pad; struct v4l2_ctrl_handler ctrl_handler; + struct clk *xvclk; + struct gpio_desc *n_shutdn_gpio; + struct regulator_bulk_data supplies[OV8856_NUM_SUPPLIES]; + /* V4L2 Controls */ struct v4l2_ctrl *link_freq; struct v4l2_ctrl *pixel_rate; struct v4l2_ctrl *vblank; struct v4l2_ctrl *hblank; struct v4l2_ctrl *exposure; + struct v4l2_mbus_framefmt fmt; /* Current mode */ const struct ov8856_mode *cur_mode; + /* module hardware version that can be read out from register 0x700f + * the register value corresponds to different hardware version + * 01: 2A module revision + * 02: 1B module revision + */ + bool is_1B_revision; + /* To serialize asynchronus callbacks */ struct mutex mutex; @@ -696,6 +1170,25 @@ static int ov8856_test_pattern(struct ov8856 *ov8856, u32 pattern) OV8856_REG_VALUE_08BIT, pattern); } +static int ov8856_check_revision(struct ov8856 *ov8856) +{ + int ret; + + ret = ov8856_write_reg(ov8856, OV8856_REG_MODE_SELECT, + OV8856_REG_VALUE_08BIT, OV8856_MODE_STREAMING); + if (ret) + return ret; + + ret = ov8856_write_reg(ov8856, OV8856_OTP_MODE_CTRL, + OV8856_REG_VALUE_08BIT, OV8856_OTP_MODE_AUTO); + if (ret) + return ret; + + return ov8856_write_reg(ov8856, OV8856_OTP_LOAD_CTRL, + OV8856_REG_VALUE_08BIT, + OV8856_OTP_LOAD_CTRL_ENABLE); +} + static int ov8856_set_ctrl(struct v4l2_ctrl *ctrl) { struct ov8856 *ov8856 = container_of(ctrl->handler, @@ -825,7 +1318,6 @@ static void ov8856_update_pad_format(const struct ov8856_mode *mode, { fmt->width = mode->width; fmt->height = mode->height; - fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; fmt->field = V4L2_FIELD_NONE; } @@ -834,6 +1326,7 @@ static int ov8856_start_streaming(struct ov8856 *ov8856) struct i2c_client *client = v4l2_get_subdevdata(&ov8856->sd); const struct ov8856_reg_list *reg_list; int link_freq_index, ret; + u32 h_size; link_freq_index = ov8856->cur_mode->link_freq_index; reg_list = &link_freq_configs[link_freq_index].reg_list; @@ -850,6 +1343,29 @@ static int ov8856_start_streaming(struct ov8856 *ov8856) return ret; } + /* Update R3614 if the revision is 1B module */ + if (ov8856->is_1B_revision) { + ret = ov8856_write_reg(ov8856, OV8856_ANAL_MODE_CTRL, + OV8856_REG_VALUE_08BIT, + OV8856_ANAL_1B_VAL); + if (ret) { + dev_err(&client->dev, "failed to set R3614"); + return ret; + } + } + + ret = ov8856_read_reg(ov8856, REG_X_ADDR_START, + OV8856_REG_VALUE_16BIT, &h_size); + if (ret) { + dev_err(&client->dev, "failed to read out R3614"); + return ret; + } + + if (h_size == X_OUTPUT_FULL_SIZE || h_size == X_OUTPUT_BINNING_SIZE) + ov8856->fmt.code = MEDIA_BUS_FMT_SBGGR10_1X10; + ret = __v4l2_ctrl_handler_setup(ov8856->sd.ctrl_handler); if (ret) return ret; @@ -878,6 +1394,7 @@ static int ov8856_set_stream(struct v4l2_subdev *sd, int enable) struct ov8856 *ov8856 = to_ov8856(sd);