From patchwork Fri Jan 6 20:39:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 640229 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 4D318C63797 for ; Fri, 6 Jan 2023 20:39:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235069AbjAFUjZ (ORCPT ); Fri, 6 Jan 2023 15:39:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbjAFUjY (ORCPT ); Fri, 6 Jan 2023 15:39:24 -0500 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::226]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA6621740C; Fri, 6 Jan 2023 12:39:22 -0800 (PST) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id 1C180C0002; Fri, 6 Jan 2023 20:39:18 +0000 (UTC) From: Jacopo Mondi To: Nicholas Roth , Robert Mader , robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: Jacopo Mondi , Laurent Pinchart , Sakari Ailus , linux-media@vger.kernel.org, Jacopo Mondi , devicetree@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: media: Add OmniVision OV8858 Date: Fri, 6 Jan 2023 21:39:08 +0100 Message-Id: <20230106203909.184073-2-jacopo@jmondi.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230106203909.184073-1-jacopo@jmondi.org> References: <20230106203909.184073-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Jacopo Mondi Add binding schema for the OmniVision OV8858 8 Megapixels camera sensor. Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- .../bindings/media/i2c/ovti,ov8858.yaml | 105 ++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml -- 2.38.1 diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml new file mode 100644 index 000000000000..002461a974f8 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml @@ -0,0 +1,105 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/ovti,ov8858.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: OmniVision OV8858 Image Sensor + +maintainers: + - Jacopo Mondi + - Nicholas Roth + +description: | + The OmniVision OV8858 is a color CMOS 8 Megapixels (3264x2448) image sensor + controlled through an I2C-compatible SCCB bus. The sensor transmits images + on a MIPI CSI-2 output interface with up to 4 data lanes. + +properties: + compatible: + const: ovti,ov8858 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + description: XVCLK external clock + + clock-names: + const: xvclk + + dvdd-supply: + description: Digital Domain Power Supply + + avdd-supply: + description: Analog Domain Power Supply + + dovdd-supply: + description: I/O Domain Power Supply + + powerdown-gpios: + description: PWDNB powerdown GPIO (active low) + + reset-gpios: + description: XSHUTDN reset GPIO (active low) + + port: + description: MIPI CSI-2 transmitter port + $ref: /schemas/graph.yaml#/$defs/port-base + additionalProperties: false + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + minItems: 1 + maxItems: 4 + + required: + - data-lanes + +required: + - compatible + - reg + - clocks + - port + +additionalProperties: false + +examples: + - | + #include + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + ov8858: camera@36 { + compatible = "ovti,ov8858"; + reg = <0x36>; + + clocks = <&cru SCLK_CIF_OUT>; + clock-names = "xvclk"; + assigned-clocks = <&cru SCLK_CIF_OUT>; + assigned-clock-rates = <24000000>; + + dovdd-supply = <&vcc1v8_dvp>; + + reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>; + powerdown-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_LOW>; + + port { + ucam_out: endpoint { + remote-endpoint = <&mipi_in_ucam>; + data-lanes = <1 2 3 4>; + }; + }; + }; + }; +... From patchwork Fri Jan 6 20:39:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 639900 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 EBEE1C54EBD for ; Fri, 6 Jan 2023 20:39:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235699AbjAFUj3 (ORCPT ); Fri, 6 Jan 2023 15:39:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbjAFUj2 (ORCPT ); Fri, 6 Jan 2023 15:39:28 -0500 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B76551740C for ; Fri, 6 Jan 2023 12:39:24 -0800 (PST) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id B51FCC0005; Fri, 6 Jan 2023 20:39:21 +0000 (UTC) From: Jacopo Mondi To: Nicholas Roth , Robert Mader Cc: Jacopo Mondi , Laurent Pinchart , Sakari Ailus , linux-media@vger.kernel.org, Jacopo Mondi Subject: [PATCH v2 2/2] media: i2c: Add driver for OmniVision OV8858 Date: Fri, 6 Jan 2023 21:39:09 +0100 Message-Id: <20230106203909.184073-3-jacopo@jmondi.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230106203909.184073-1-jacopo@jmondi.org> References: <20230106203909.184073-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Nicholas Roth Add a driver for OmniVision OV8858 image sensor. The driver currently supports operations with 2 and 4 data lanes, in full resolution and half-binned resolution modes. The driver has been upported from the PinephonePro BSP available at https://gitlab.com/pine64-org/linux.git at commit 8c4a90c12dc2 ("media: i2c: ov8858: Use default subdev name"). Signed-off-by: Nicholas Roth Signed-off-by: Jacopo Mondi --- MAINTAINERS | 9 + drivers/media/i2c/Kconfig | 13 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/ov8858.c | 1952 ++++++++++++++++++++++++++++++++++++ 4 files changed, 1975 insertions(+) create mode 100644 drivers/media/i2c/ov8858.c diff --git a/MAINTAINERS b/MAINTAINERS index f61eb221415b..fafb0a01be93 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15524,6 +15524,15 @@ T: git git://linuxtv.org/media_tree.git F: Documentation/devicetree/bindings/media/i2c/ov8856.yaml F: drivers/media/i2c/ov8856.c +OMNIVISION OV8858 SENSOR DRIVER +M: Jacopo Mondi +M: Nicholas Roth +L: linux-media@vger.kernel.org +S: Maintained +T: git git://linuxtv.org/media_tree.git +F: Documentation/devicetree/bindings/media/i2c/ovti,ov8858.yaml +F: drivers/media/i2c/ov8858.c + OMNIVISION OV9282 SENSOR DRIVER M: Paul J. Murphy M: Daniele Alessandrelli diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 833241897d63..12ba8542778f 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -645,6 +645,19 @@ config VIDEO_OV8856 To compile this driver as a module, choose M here: the module will be called ov8856. +config VIDEO_OV8858 + tristate "OmniVision OV8858 sensor support" + depends on I2C && PM && VIDEO_DEV + select MEDIA_CONTROLLER + select VIDEO_V4L2_SUBDEV_API + select V4L2_FWNODE + help + This is a Video4Linux2 sensor driver for OmniVision + OV8858 camera sensor. + + To compile this driver as a module, choose M here: the + module will be called ov8858. + config VIDEO_OV8865 tristate "OmniVision OV8865 sensor support" depends on I2C && PM && VIDEO_DEV diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 4d6c052bb5a7..b611a8277d57 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -96,6 +96,7 @@ obj-$(CONFIG_VIDEO_OV7670) += ov7670.o obj-$(CONFIG_VIDEO_OV772X) += ov772x.o obj-$(CONFIG_VIDEO_OV7740) += ov7740.o obj-$(CONFIG_VIDEO_OV8856) += ov8856.o +obj-$(CONFIG_VIDEO_OV8858) += ov8858.o obj-$(CONFIG_VIDEO_OV8865) += ov8865.o obj-$(CONFIG_VIDEO_OV9282) += ov9282.o obj-$(CONFIG_VIDEO_OV9640) += ov9640.o diff --git a/drivers/media/i2c/ov8858.c b/drivers/media/i2c/ov8858.c new file mode 100644 index 000000000000..bfdfac49caa9 --- /dev/null +++ b/drivers/media/i2c/ov8858.c @@ -0,0 +1,1952 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023 Jacopo Mondi + * Copyright (C) 2022 Nicholas Roth + * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd. + */ + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#define OV8858_LINK_FREQ 360000000U +#define OV8858_XVCLK_FREQ 24000000 + +#define OV8858_REG_SIZE_SHIFT 16 +#define OV8858_REG_ADDR_MASK 0xffff +#define OV8858_REG_8BIT(n) ((1U << OV8858_REG_SIZE_SHIFT) | (n)) +#define OV8858_REG_16BIT(n) ((2U << OV8858_REG_SIZE_SHIFT) | (n)) +#define OV8858_REG_24BIT(n) ((3U << OV8858_REG_SIZE_SHIFT) | (n)) + +#define OV8858_CHIP_ID 0x008858 +#define OV8858_REG_CHIP_ID OV8858_REG_24BIT(0x300a) + +#define OV8858_REG_CTRL_MODE OV8858_REG_8BIT(0x0100) +#define OV8858_MODE_SW_STANDBY 0x0 +#define OV8858_MODE_STREAMING 0x1 + +#define OV8858_REG_EXPOSURE OV8858_REG_24BIT(0x3500) +#define OV8858_EXPOSURE_MIN 4 +#define OV8858_EXPOSURE_STEP 1 +#define OV8858_VTS_MAX 0x7fff + +#define OV8858_REG_GAIN_H OV8858_REG_8BIT(0x3508) +#define OV8858_REG_GAIN_L OV8858_REG_8BIT(0x3509) +#define OV8858_GAIN_H_MASK 0x07 +#define OV8858_GAIN_H_SHIFT 8 +#define OV8858_GAIN_L_MASK 0xff +#define OV8858_GAIN_MIN 0x0 +#define OV8858_GAIN_MAX 0x7ff +#define OV8858_GAIN_STEP 1 +#define OV8858_GAIN_DEFAULT 0x80 + +#define OV8858_REG_DGAIN_H OV8858_REG_8BIT(0x350a) +#define OV8858_REG_DGAIN_L OV8858_REG_8BIT(0x350b) +#define OV8858_DGAIN_H_MASK 0xff +#define OV8858_DGAIN_H_SHIFT 6 +#define OV8858_DGAIN_L_MASK 0x3f +#define OV8858_DGAIN_MIN 0x0 +#define OV8858_DGAIN_MAX 0x3fff +#define OV8858_DGAIN_STEP 1 +#define OV8858_DGAIN_DEFAULT 0x200 + +#define OV8858_REG_TEST_PATTERN OV8858_REG_8BIT(0x5e00) +#define OV8858_TEST_PATTERN_ENABLE 0x80 +#define OV8858_TEST_PATTERN_DISABLE 0x0 + +#define OV8858_REG_VTS OV8858_REG_16BIT(0x380e) + +#define REG_NULL 0xffff + +#define OV8858_CHIP_REVISION_REG OV8858_REG_8BIT(0x302a) +#define OV8858_R1A 0xb0 +#define OV8858_R2A 0xb2 + +static const char * const ov8858_supply_names[] = { + "avdd", /* Analog power */ + "dovdd", /* Digital I/O power */ + "dvdd", /* Digital core power */ +}; + +#define OV8858_NUM_SUPPLIES ARRAY_SIZE(ov8858_supply_names) + +struct regval { + u16 addr; + u8 val; +}; + +struct regval_modes { + const struct regval *mode_2lanes; + const struct regval *mode_4lanes; +}; + +struct ov8858_mode { + u32 width; + u32 height; + u32 hts_def; + u32 vts_def; + u32 exp_def; + const struct regval_modes reg_modes; +}; + +struct ov8858 { + struct i2c_client *client; + struct clk *xvclk; + struct gpio_desc *reset_gpio; + struct gpio_desc *pwdn_gpio; + struct regulator_bulk_data supplies[OV8858_NUM_SUPPLIES]; + + struct v4l2_subdev subdev; + struct media_pad pad; + + /* Protect controls and image format. */ + struct mutex mutex; + + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vblank; + + const struct regval *global_regs; + const struct ov8858_mode *cur_mode; + + bool streaming; + unsigned int num_lanes; + unsigned int pixel_rate; +}; + +#define to_ov8858(sd) container_of(sd, struct ov8858, subdev) + +static const struct regval ov8858_global_regs_r1a[] = { + {0x0100, 0x00}, + {0x0100, 0x00}, + {0x0100, 0x00}, + {0x0100, 0x00}, + {0x0302, 0x1e}, + {0x0303, 0x00}, + {0x0304, 0x03}, + {0x030e, 0x00}, + {0x030f, 0x09}, + {0x0312, 0x01}, + {0x031e, 0x0c}, + {0x3600, 0x00}, + {0x3601, 0x00}, + {0x3602, 0x00}, + {0x3603, 0x00}, + {0x3604, 0x22}, + {0x3605, 0x30}, + {0x3606, 0x00}, + {0x3607, 0x20}, + {0x3608, 0x11}, + {0x3609, 0x28}, + {0x360a, 0x00}, + {0x360b, 0x06}, + {0x360c, 0xdc}, + {0x360d, 0x40}, + {0x360e, 0x0c}, + {0x360f, 0x20}, + {0x3610, 0x07}, + {0x3611, 0x20}, + {0x3612, 0x88}, + {0x3613, 0x80}, + {0x3614, 0x58}, + {0x3615, 0x00}, + {0x3616, 0x4a}, + {0x3617, 0xb0}, + {0x3618, 0x56}, + {0x3619, 0x70}, + {0x361a, 0x99}, + {0x361b, 0x00}, + {0x361c, 0x07}, + {0x361d, 0x00}, + {0x361e, 0x00}, + {0x361f, 0x00}, + {0x3638, 0xff}, + {0x3633, 0x0c}, + {0x3634, 0x0c}, + {0x3635, 0x0c}, + {0x3636, 0x0c}, + {0x3645, 0x13}, + {0x3646, 0x83}, + {0x364a, 0x07}, + {0x3015, 0x01}, + {0x3018, 0x32}, + {0x3020, 0x93}, + {0x3022, 0x01}, + {0x3031, 0x0a}, + {0x3034, 0x00}, + {0x3106, 0x01}, + {0x3305, 0xf1}, + {0x3308, 0x00}, + {0x3309, 0x28}, + {0x330a, 0x00}, + {0x330b, 0x20}, + {0x330c, 0x00}, + {0x330d, 0x00}, + {0x330e, 0x00}, + {0x330f, 0x40}, + {0x3307, 0x04}, + {0x3500, 0x00}, + {0x3501, 0x4d}, + {0x3502, 0x40}, + {0x3503, 0x00}, + {0x3505, 0x80}, + {0x3508, 0x04}, + {0x3509, 0x00}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x3510, 0x00}, + {0x3511, 0x02}, + {0x3512, 0x00}, + {0x3700, 0x18}, + {0x3701, 0x0c}, + {0x3702, 0x28}, + {0x3703, 0x19}, + {0x3704, 0x14}, + {0x3705, 0x00}, + {0x3706, 0x35}, + {0x3707, 0x04}, + {0x3708, 0x24}, + {0x3709, 0x33}, + {0x370a, 0x00}, + {0x370b, 0xb5}, + {0x370c, 0x04}, + {0x3718, 0x12}, + {0x3719, 0x31}, + {0x3712, 0x42}, + {0x3714, 0x24}, + {0x371e, 0x19}, + {0x371f, 0x40}, + {0x3720, 0x05}, + {0x3721, 0x05}, + {0x3724, 0x06}, + {0x3725, 0x01}, + {0x3726, 0x06}, + {0x3728, 0x05}, + {0x3729, 0x02}, + {0x372a, 0x03}, + {0x372b, 0x53}, + {0x372c, 0xa3}, + {0x372d, 0x53}, + {0x372e, 0x06}, + {0x372f, 0x10}, + {0x3730, 0x01}, + {0x3731, 0x06}, + {0x3732, 0x14}, + {0x3733, 0x10}, + {0x3734, 0x40}, + {0x3736, 0x20}, + {0x373a, 0x05}, + {0x373b, 0x06}, + {0x373c, 0x0a}, + {0x373e, 0x03}, + {0x3755, 0x10}, + {0x3758, 0x00}, + {0x3759, 0x4c}, + {0x375a, 0x06}, + {0x375b, 0x13}, + {0x375c, 0x20}, + {0x375d, 0x02}, + {0x375e, 0x00}, + {0x375f, 0x14}, + {0x3768, 0x22}, + {0x3769, 0x44}, + {0x376a, 0x44}, + {0x3761, 0x00}, + {0x3762, 0x00}, + {0x3763, 0x00}, + {0x3766, 0xff}, + {0x376b, 0x00}, + {0x3772, 0x23}, + {0x3773, 0x02}, + {0x3774, 0x16}, + {0x3775, 0x12}, + {0x3776, 0x04}, + {0x3777, 0x00}, + {0x3778, 0x1b}, + {0x37a0, 0x44}, + {0x37a1, 0x3d}, + {0x37a2, 0x3d}, + {0x37a3, 0x00}, + {0x37a4, 0x00}, + {0x37a5, 0x00}, + {0x37a6, 0x00}, + {0x37a7, 0x44}, + {0x37a8, 0x4c}, + {0x37a9, 0x4c}, + {0x3760, 0x00}, + {0x376f, 0x01}, + {0x37aa, 0x44}, + {0x37ab, 0x2e}, + {0x37ac, 0x2e}, + {0x37ad, 0x33}, + {0x37ae, 0x0d}, + {0x37af, 0x0d}, + {0x37b0, 0x00}, + {0x37b1, 0x00}, + {0x37b2, 0x00}, + {0x37b3, 0x42}, + {0x37b4, 0x42}, + {0x37b5, 0x33}, + {0x37b6, 0x00}, + {0x37b7, 0x00}, + {0x37b8, 0x00}, + {0x37b9, 0xff}, + {0x3800, 0x00}, + {0x3801, 0x0c}, + {0x3802, 0x00}, + {0x3803, 0x0c}, + {0x3804, 0x0c}, + {0x3805, 0xd3}, + {0x3806, 0x09}, + {0x3807, 0xa3}, + {0x3808, 0x06}, + {0x3809, 0x60}, + {0x380a, 0x04}, + {0x380b, 0xc8}, + {0x380c, 0x07}, + {0x380d, 0x88}, + {0x380e, 0x04}, + {0x380f, 0xdc}, + {0x3810, 0x00}, + {0x3811, 0x04}, + {0x3813, 0x02}, + {0x3814, 0x03}, + {0x3815, 0x01}, + {0x3820, 0x00}, + {0x3821, 0x67}, + {0x382a, 0x03}, + {0x382b, 0x01}, + {0x3830, 0x08}, + {0x3836, 0x02}, + {0x3837, 0x18}, + {0x3841, 0xff}, + {0x3846, 0x48}, + {0x3d85, 0x14}, + {0x3f08, 0x08}, + {0x3f0a, 0x80}, + {0x4000, 0xf1}, + {0x4001, 0x10}, + {0x4005, 0x10}, + {0x4002, 0x27}, + {0x4009, 0x81}, + {0x400b, 0x0c}, + {0x401b, 0x00}, + {0x401d, 0x00}, + {0x4020, 0x00}, + {0x4021, 0x04}, + {0x4022, 0x04}, + {0x4023, 0xb9}, + {0x4024, 0x05}, + {0x4025, 0x2a}, + {0x4026, 0x05}, + {0x4027, 0x2b}, + {0x4028, 0x00}, + {0x4029, 0x02}, + {0x402a, 0x04}, + {0x402b, 0x04}, + {0x402c, 0x02}, + {0x402d, 0x02}, + {0x402e, 0x08}, + {0x402f, 0x02}, + {0x401f, 0x00}, + {0x4034, 0x3f}, + {0x403d, 0x04}, + {0x4300, 0xff}, + {0x4301, 0x00}, + {0x4302, 0x0f}, + {0x4316, 0x00}, + {0x4500, 0x38}, + {0x4503, 0x18}, + {0x4600, 0x00}, + {0x4601, 0xcb}, + {0x481f, 0x32}, + {0x4837, 0x16}, + {0x4850, 0x10}, + {0x4851, 0x32}, + {0x4b00, 0x2a}, + {0x4b0d, 0x00}, + {0x4d00, 0x04}, + {0x4d01, 0x18}, + {0x4d02, 0xc3}, + {0x4d03, 0xff}, + {0x4d04, 0xff}, + {0x4d05, 0xff}, + {0x5000, 0x7e}, + {0x5001, 0x01}, + {0x5002, 0x08}, + {0x5003, 0x20}, + {0x5046, 0x12}, + {0x5901, 0x00}, + {0x5e00, 0x00}, + {0x5e01, 0x41}, + {0x382d, 0x7f}, + {0x4825, 0x3a}, + {0x4826, 0x40}, + {0x4808, 0x25}, + //{0x0100, 0x01}, + {REG_NULL, 0x00}, +}; + +static const struct regval ov8858_global_regs_r2a_2lane[] = { + /* + * MIPI=720Mbps, SysClk=144Mhz,Dac Clock=360Mhz. + * v00_01_00 (05/29/2014) : initial setting + * AM19 : 3617 <- 0xC0 + * AM20 : change FWC_6K_EN to be default 0x3618=0x5a + */ + {0x0103, 0x01},// software reset for OVTATool only + {0x0103, 0x01},// software reset + {0x0100, 0x00},// software standby + {0x0302, 0x1e},// pll1_multi + {0x0303, 0x00},// pll1_divm + {0x0304, 0x03},// pll1_div_mipi + {0x030e, 0x02},// pll2_rdiv + {0x030f, 0x04},// pll2_divsp + {0x0312, 0x03},// pll2_pre_div0, pll2_r_divdac + {0x031e, 0x0c},// pll1_no_lat + {0x3600, 0x00}, + {0x3601, 0x00}, + {0x3602, 0x00}, + {0x3603, 0x00}, + {0x3604, 0x22}, + {0x3605, 0x20}, + {0x3606, 0x00}, + {0x3607, 0x20}, + {0x3608, 0x11}, + {0x3609, 0x28}, + {0x360a, 0x00}, + {0x360b, 0x05}, + {0x360c, 0xd4}, + {0x360d, 0x40}, + {0x360e, 0x0c}, + {0x360f, 0x20}, + {0x3610, 0x07}, + {0x3611, 0x20}, + {0x3612, 0x88}, + {0x3613, 0x80}, + {0x3614, 0x58}, + {0x3615, 0x00}, + {0x3616, 0x4a}, + {0x3617, 0x90}, + {0x3618, 0x5a}, + {0x3619, 0x70}, + {0x361a, 0x99}, + {0x361b, 0x0a}, + {0x361c, 0x07}, + {0x361d, 0x00}, + {0x361e, 0x00}, + {0x361f, 0x00}, + {0x3638, 0xff}, + {0x3633, 0x0f}, + {0x3634, 0x0f}, + {0x3635, 0x0f}, + {0x3636, 0x12}, + {0x3645, 0x13}, + {0x3646, 0x83}, + {0x364a, 0x07}, + {0x3015, 0x00}, + {0x3018, 0x32}, // MIPI 2 lane + {0x3020, 0x93}, // Clock switch output normal, pclk_div =/1 + {0x3022, 0x01}, // pd_mipi enable when rst_sync + {0x3031, 0x0a}, // MIPI 10-bit mode + {0x3034, 0x00}, // + {0x3106, 0x01}, // sclk_div, sclk_pre_div + {0x3305, 0xf1}, + {0x3308, 0x00}, + {0x3309, 0x28}, + {0x330a, 0x00}, + {0x330b, 0x20}, + {0x330c, 0x00}, + {0x330d, 0x00}, + {0x330e, 0x00}, + {0x330f, 0x40}, + {0x3307, 0x04}, + {0x3500, 0x00}, // exposure H + {0x3501, 0x4d}, // exposure M + {0x3502, 0x40}, // exposure L + {0x3503, 0x80}, // gain delay ?, exposure delay 1 frame, real gain + {0x3505, 0x80}, // gain option + {0x3508, 0x02}, // gain H + {0x3509, 0x00}, // gain L + {0x350c, 0x00}, // short gain H + {0x350d, 0x80}, // short gain L + {0x3510, 0x00}, // short exposure H + {0x3511, 0x02}, // short exposure M + {0x3512, 0x00}, // short exposure L + {0x3700, 0x18}, + {0x3701, 0x0c}, + {0x3702, 0x28}, + {0x3703, 0x19}, + {0x3704, 0x14}, + {0x3705, 0x00}, + {0x3706, 0x82}, + {0x3707, 0x04}, + {0x3708, 0x24}, + {0x3709, 0x33}, + {0x370a, 0x01}, + {0x370b, 0x82}, + {0x370c, 0x04}, + {0x3718, 0x12}, + {0x3719, 0x31}, + {0x3712, 0x42}, + {0x3714, 0x24}, + {0x371e, 0x19}, + {0x371f, 0x40}, + {0x3720, 0x05}, + {0x3721, 0x05}, + {0x3724, 0x06}, + {0x3725, 0x01}, + {0x3726, 0x06}, + {0x3728, 0x05}, + {0x3729, 0x02}, + {0x372a, 0x03}, + {0x372b, 0x53}, + {0x372c, 0xa3}, + {0x372d, 0x53}, + {0x372e, 0x06}, + {0x372f, 0x10}, + {0x3730, 0x01}, + {0x3731, 0x06}, + {0x3732, 0x14}, + {0x3733, 0x10}, + {0x3734, 0x40}, + {0x3736, 0x20}, + {0x373a, 0x05}, + {0x373b, 0x06}, + {0x373c, 0x0a}, + {0x373e, 0x03}, + {0x3750, 0x0a}, + {0x3751, 0x0e}, + {0x3755, 0x10}, + {0x3758, 0x00}, + {0x3759, 0x4c}, + {0x375a, 0x06}, + {0x375b, 0x13}, + {0x375c, 0x20}, + {0x375d, 0x02}, + {0x375e, 0x00}, + {0x375f, 0x14}, + {0x3768, 0x22}, + {0x3769, 0x44}, + {0x376a, 0x44}, + {0x3761, 0x00}, + {0x3762, 0x00}, + {0x3763, 0x00}, + {0x3766, 0xff}, + {0x376b, 0x00}, + {0x3772, 0x23}, + {0x3773, 0x02}, + {0x3774, 0x16}, + {0x3775, 0x12}, + {0x3776, 0x04}, + {0x3777, 0x00}, + {0x3778, 0x17}, + {0x37a0, 0x44}, + {0x37a1, 0x3d}, + {0x37a2, 0x3d}, + {0x37a3, 0x00}, + {0x37a4, 0x00}, + {0x37a5, 0x00}, + {0x37a6, 0x00}, + {0x37a7, 0x44}, + {0x37a8, 0x4c}, + {0x37a9, 0x4c}, + {0x3760, 0x00}, + {0x376f, 0x01}, + {0x37aa, 0x44}, + {0x37ab, 0x2e}, + {0x37ac, 0x2e}, + {0x37ad, 0x33}, + {0x37ae, 0x0d}, + {0x37af, 0x0d}, + {0x37b0, 0x00}, + {0x37b1, 0x00}, + {0x37b2, 0x00}, + {0x37b3, 0x42}, + {0x37b4, 0x42}, + {0x37b5, 0x31}, + {0x37b6, 0x00}, + {0x37b7, 0x00}, + {0x37b8, 0x00}, + {0x37b9, 0xff}, + {0x3800, 0x00}, // x start H + {0x3801, 0x0c}, // x start L + {0x3802, 0x00}, // y start H + {0x3803, 0x0c}, // y start L + {0x3804, 0x0c}, // x end H + {0x3805, 0xd3}, // x end L + {0x3806, 0x09}, // y end H + {0x3807, 0xa3}, // y end L + {0x3808, 0x06}, // x output size H + {0x3809, 0x60}, // x output size L + {0x380a, 0x04}, // y output size H + {0x380b, 0xc8}, // y output size L + {0x380c, 0x07}, // HTS H + {0x380d, 0x88}, // HTS L + {0x380e, 0x04}, // VTS H + {0x380f, 0xdc}, // VTS L + {0x3810, 0x00}, // ISP x win H + {0x3811, 0x04}, // ISP x win L + {0x3813, 0x02}, // ISP y win L + {0x3814, 0x03}, // x odd inc + {0x3815, 0x01}, // x even inc + {0x3820, 0x00}, // vflip off + {0x3821, 0x67}, // mirror on, bin on + {0x382a, 0x03}, // y odd inc + {0x382b, 0x01}, // y even inc + {0x3830, 0x08}, // + {0x3836, 0x02}, // + {0x3837, 0x18}, // + {0x3841, 0xff}, // window auto size enable + {0x3846, 0x48}, // + {0x3d85, 0x16}, // OTP power up load data enable with BIST + {0x3d8c, 0x73}, // OTP setting start High + {0x3d8d, 0xde}, // OTP setting start Low + {0x3f08, 0x08}, // + {0x3f0a, 0x00}, // + {0x4000, 0xf1}, // out_range_trig, format_chg_trig + {0x4001, 0x10}, // total 128 black column + {0x4005, 0x10}, // BLC target L + {0x4002, 0x27}, // value used to limit BLC offset + {0x4009, 0x81}, // final BLC offset limitation enable + {0x400b, 0x0c}, // DCBLC on, DCBLC manual mode on + {0x401b, 0x00}, // zero line R coefficient + {0x401d, 0x00}, // zoro line T coefficient + {0x4020, 0x00}, // Anchor left start H + {0x4021, 0x04}, // Anchor left start L + {0x4022, 0x06}, // Anchor left end H + {0x4023, 0x00}, // Anchor left end L + {0x4024, 0x0f}, // Anchor right start H + {0x4025, 0x2a}, // Anchor right start L + {0x4026, 0x0f}, // Anchor right end H + {0x4027, 0x2b}, // Anchor right end L + {0x4028, 0x00}, // top zero line start + {0x4029, 0x02}, // top zero line number + {0x402a, 0x04}, // top black line start + {0x402b, 0x04}, // top black line number + {0x402c, 0x00}, // bottom zero line start + {0x402d, 0x02}, // bottom zoro line number + {0x402e, 0x04}, // bottom black line start + {0x402f, 0x04}, // bottom black line number + {0x401f, 0x00}, // interpolation x/y disable, Anchor one disable + {0x4034, 0x3f}, // + {0x403d, 0x04}, // md_precision_en + {0x4300, 0xff}, // clip max H + {0x4301, 0x00}, // clip min H + {0x4302, 0x0f}, // clip min L, clip max L + {0x4316, 0x00}, // + {0x4500, 0x58}, // + {0x4503, 0x18}, // + {0x4600, 0x00}, // + {0x4601, 0xcb}, // + {0x481f, 0x32}, // clk prepare min + {0x4837, 0x16}, // global timing + {0x4850, 0x10}, // lane 1 = 1, lane 0 = 0 + {0x4851, 0x32}, // lane 3 = 3, lane 2 = 2 + {0x4b00, 0x2a}, // + {0x4b0d, 0x00}, // + {0x4d00, 0x04}, // temperature sensor + {0x4d01, 0x18}, // + {0x4d02, 0xc3}, // + {0x4d03, 0xff}, // + {0x4d04, 0xff}, // + {0x4d05, 0xff}, // temperature sensor + {0x5000, 0xfe}, // lenc on, slave/master AWB gain/statistics enable + {0x5001, 0x01}, // BLC on + {0x5002, 0x08}, // H scale off, WBMATCH off, OTP_DPC + {0x5003, 0x20}, // DPC_DBC buffer control enable, WB + {0x501e, 0x93}, // enable digital gain + {0x5046, 0x12}, // + {0x5780, 0x3e}, // DPC + {0x5781, 0x0f}, // + {0x5782, 0x44}, // + {0x5783, 0x02}, // + {0x5784, 0x01}, // + {0x5785, 0x00}, // + {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}, // DPC + {0x5871, 0x0d}, // Lenc + {0x5870, 0x18}, // + {0x586e, 0x10}, // + {0x586f, 0x08}, // + {0x58f7, 0x01}, // + {0x58f8, 0x3d}, // Lenc + {0x5901, 0x00}, // H skip off, V skip off + {0x5b00, 0x02}, // OTP DPC start address + {0x5b01, 0x10}, // OTP DPC start address + {0x5b02, 0x03}, // OTP DPC end address + {0x5b03, 0xcf}, // OTP DPC end address + {0x5b05, 0x6c}, // recover method = 2b11, + {0x5e00, 0x00}, // use 0x3ff to test pattern off + {0x5e01, 0x41}, // window cut enable + {0x382d, 0x7f}, // + {0x4825, 0x3a}, // lpx_p_min + {0x4826, 0x40}, // hs_prepare_min + {0x4808, 0x25}, // wake up delay in 1/1024 s + {0x3763, 0x18}, // + {0x3768, 0xcc}, // + {0x470b, 0x28}, // + {0x4202, 0x00}, // + {0x400d, 0x10}, // BLC offset trigger L + {0x4040, 0x04}, // BLC gain th2 + {0x403e, 0x04}, // BLC gain th1 + {0x4041, 0xc6}, // BLC + {0x3007, 0x80}, + {0x400a, 0x01}, + {REG_NULL, 0x00}, +}; + +/* + * Xclk 24Mhz + * max_framerate 30fps + * mipi_datarate per lane 720Mbps + */ +static const struct regval ov8858_1632x1224_regs_2lane[] = { + /* + * MIPI=720Mbps, SysClk=144Mhz,Dac Clock=360Mhz. + * v00_01_00 (05/29/2014) : initial setting + * AM19 : 3617 <- 0xC0 + * AM20 : change FWC_6K_EN to be default 0x3618=0x5a + */ + {0x0100, 0x00}, + {0x3501, 0x4d}, // exposure M + {0x3502, 0x40}, // exposure L + {0x3778, 0x17}, // + {0x3808, 0x06}, // x output size H + {0x3809, 0x60}, // x output size L + {0x380a, 0x04}, // y output size H + {0x380b, 0xc8}, // y output size L + {0x380c, 0x07}, // HTS H + {0x380d, 0x88}, // HTS L + {0x380e, 0x04}, // VTS H + {0x380f, 0xdc}, // VTS L + {0x3814, 0x03}, // x odd inc + {0x3821, 0x67}, // mirror on, bin on + {0x382a, 0x03}, // y odd inc + {0x3830, 0x08}, + {0x3836, 0x02}, + {0x3f0a, 0x00}, + {0x4001, 0x10}, // total 128 black column + {0x4022, 0x06}, // Anchor left end H + {0x4023, 0x00}, // Anchor left end L + {0x4025, 0x2a}, // Anchor right start L + {0x4027, 0x2b}, // Anchor right end L + {0x402b, 0x04}, // top black line number + {0x402f, 0x04}, // bottom black line number + {0x4500, 0x58}, + {0x4600, 0x00}, + {0x4601, 0xcb}, + {0x382d, 0x7f}, + {0x0100, 0x01}, + {REG_NULL, 0x00}, +}; + +/* + * Xclk 24Mhz + * max_framerate 15fps + * mipi_datarate per lane 720Mbps + */ +static const struct regval ov8858_3264x2448_regs_2lane[] = { + {0x0100, 0x00}, + {0x3501, 0x9a},// exposure M + {0x3502, 0x20},// exposure L + {0x3778, 0x1a},// + {0x3808, 0x0c},// x output size H + {0x3809, 0xc0},// x output size L + {0x380a, 0x09},// y output size H + {0x380b, 0x90},// y output size L + {0x380c, 0x07},// HTS H + {0x380d, 0x94},// HTS L + {0x380e, 0x09},// VTS H + {0x380f, 0xaa},// VTS L + {0x3814, 0x01},// x odd inc + {0x3821, 0x46},// mirror on, bin off + {0x382a, 0x01},// y odd inc + {0x3830, 0x06}, + {0x3836, 0x01}, + {0x3f0a, 0x00}, + {0x4001, 0x00},// total 256 black column + {0x4022, 0x0c},// Anchor left end H + {0x4023, 0x60},// Anchor left end L + {0x4025, 0x36},// Anchor right start L + {0x4027, 0x37},// Anchor right end L + {0x402b, 0x08},// top black line number + {0x402f, 0x08},// bottom black line number + {0x4500, 0x58}, + {0x4600, 0x01}, + {0x4601, 0x97}, + {0x382d, 0xff}, + {REG_NULL, 0x00}, +}; + +static const struct regval ov8858_global_regs_r2a_4lane[] = { + /* + * MIPI=720Mbps, SysClk=144Mhz,Dac Clock=360Mhz. + * v00_01_00 (05/29/2014) : initial setting + * AM19 : 3617 <- 0xC0 + * AM20 : change FWC_6K_EN to be default 0x3618=0x5a + */ + {0x0103, 0x01}, // software reset for OVTATool only + {0x0103, 0x01}, // software reset + {0x0100, 0x00}, // software standby + {0x0302, 0x1e}, // pll1_multi + {0x0303, 0x00}, // pll1_divm + {0x0304, 0x03}, // pll1_div_mipi + {0x030e, 0x00}, // pll2_rdiv + {0x030f, 0x04}, // pll2_divsp + {0x0312, 0x01}, // pll2_pre_div0, pll2_r_divdac + {0x031e, 0x0c}, // pll1_no_lat + {0x3600, 0x00}, + {0x3601, 0x00}, + {0x3602, 0x00}, + {0x3603, 0x00}, + {0x3604, 0x22}, + {0x3605, 0x20}, + {0x3606, 0x00}, + {0x3607, 0x20}, + {0x3608, 0x11}, + {0x3609, 0x28}, + {0x360a, 0x00}, + {0x360b, 0x05}, + {0x360c, 0xd4}, + {0x360d, 0x40}, + {0x360e, 0x0c}, + {0x360f, 0x20}, + {0x3610, 0x07}, + {0x3611, 0x20}, + {0x3612, 0x88}, + {0x3613, 0x80}, + {0x3614, 0x58}, + {0x3615, 0x00}, + {0x3616, 0x4a}, + {0x3617, 0x90}, + {0x3618, 0x5a}, + {0x3619, 0x70}, + {0x361a, 0x99}, + {0x361b, 0x0a}, + {0x361c, 0x07}, + {0x361d, 0x00}, + {0x361e, 0x00}, + {0x361f, 0x00}, + {0x3638, 0xff}, + {0x3633, 0x0f}, + {0x3634, 0x0f}, + {0x3635, 0x0f}, + {0x3636, 0x12}, + {0x3645, 0x13}, + {0x3646, 0x83}, + {0x364a, 0x07}, + {0x3015, 0x01}, // + {0x3018, 0x72}, // MIPI 4 lane + {0x3020, 0x93}, // Clock switch output normal, pclk_div =/1 + {0x3022, 0x01}, // pd_mipi enable when rst_sync + {0x3031, 0x0a}, // MIPI 10-bit mode + {0x3034, 0x00}, // + {0x3106, 0x01}, // sclk_div, sclk_pre_div + {0x3305, 0xf1}, + {0x3308, 0x00}, + {0x3309, 0x28}, + {0x330a, 0x00}, + {0x330b, 0x20}, + {0x330c, 0x00}, + {0x330d, 0x00}, + {0x330e, 0x00}, + {0x330f, 0x40}, + {0x3307, 0x04}, + {0x3500, 0x00}, // exposure H + {0x3501, 0x4d}, // exposure M + {0x3502, 0x40}, // exposure L + {0x3503, 0x80}, // gain delay ?, exposure delay 1 frame, real gain + {0x3505, 0x80}, // gain option + {0x3508, 0x02}, // gain H + {0x3509, 0x00}, // gain L + {0x350c, 0x00}, // short gain H + {0x350d, 0x80}, // short gain L + {0x3510, 0x00}, // short exposure H + {0x3511, 0x02}, // short exposure M + {0x3512, 0x00}, // short exposure L + {0x3700, 0x30}, + {0x3701, 0x18}, + {0x3702, 0x50}, + {0x3703, 0x32}, + {0x3704, 0x28}, + {0x3705, 0x00}, + {0x3706, 0x82}, + {0x3707, 0x08}, + {0x3708, 0x48}, + {0x3709, 0x66}, + {0x370a, 0x01}, + {0x370b, 0x82}, + {0x370c, 0x07}, + {0x3718, 0x14}, + {0x3719, 0x31}, + {0x3712, 0x44}, + {0x3714, 0x24}, + {0x371e, 0x31}, + {0x371f, 0x7f}, + {0x3720, 0x0a}, + {0x3721, 0x0a}, + {0x3724, 0x0c}, + {0x3725, 0x02}, + {0x3726, 0x0c}, + {0x3728, 0x0a}, + {0x3729, 0x03}, + {0x372a, 0x06}, + {0x372b, 0xa6}, + {0x372c, 0xa6}, + {0x372d, 0xa6}, + {0x372e, 0x0c}, + {0x372f, 0x20}, + {0x3730, 0x02}, + {0x3731, 0x0c}, + {0x3732, 0x28}, + {0x3733, 0x10}, + {0x3734, 0x40}, + {0x3736, 0x30}, + {0x373a, 0x0a}, + {0x373b, 0x0b}, + {0x373c, 0x14}, + {0x373e, 0x06}, + {0x3750, 0x0a}, + {0x3751, 0x0e}, + {0x3755, 0x10}, + {0x3758, 0x00}, + {0x3759, 0x4c}, + {0x375a, 0x0c}, + {0x375b, 0x26}, + {0x375c, 0x20}, + {0x375d, 0x04}, + {0x375e, 0x00}, + {0x375f, 0x28}, + {0x3768, 0x22}, + {0x3769, 0x44}, + {0x376a, 0x44}, + {0x3761, 0x00}, + {0x3762, 0x00}, + {0x3763, 0x00}, + {0x3766, 0xff}, + {0x376b, 0x00}, + {0x3772, 0x46}, + {0x3773, 0x04}, + {0x3774, 0x2c}, + {0x3775, 0x13}, + {0x3776, 0x08}, + {0x3777, 0x00}, + {0x3778, 0x17}, + {0x37a0, 0x88}, + {0x37a1, 0x7a}, + {0x37a2, 0x7a}, + {0x37a3, 0x00}, + {0x37a4, 0x00}, + {0x37a5, 0x00}, + {0x37a6, 0x00}, + {0x37a7, 0x88}, + {0x37a8, 0x98}, + {0x37a9, 0x98}, + {0x3760, 0x00}, + {0x376f, 0x01}, + {0x37aa, 0x88}, + {0x37ab, 0x5c}, + {0x37ac, 0x5c}, + {0x37ad, 0x55}, + {0x37ae, 0x19}, + {0x37af, 0x19}, + {0x37b0, 0x00}, + {0x37b1, 0x00}, + {0x37b2, 0x00}, + {0x37b3, 0x84}, + {0x37b4, 0x84}, + {0x37b5, 0x60}, + {0x37b6, 0x00}, + {0x37b7, 0x00}, + {0x37b8, 0x00}, + {0x37b9, 0xff}, + {0x3800, 0x00}, // x start H + {0x3801, 0x0c}, // x start L + {0x3802, 0x00}, // y start H + {0x3803, 0x0c}, // y start L + {0x3804, 0x0c}, // x end H + {0x3805, 0xd3}, // x end L + {0x3806, 0x09}, // y end H + {0x3807, 0xa3}, // y end L + {0x3808, 0x06}, // x output size H + {0x3809, 0x60}, // x output size L + {0x380a, 0x04}, // y output size H + {0x380b, 0xc8}, // y output size L + {0x380c, 0x07}, // HTS H + {0x380d, 0x88}, // HTS L + {0x380e, 0x04}, // VTS H + {0x380f, 0xdc}, // VTS L + {0x3810, 0x00}, // ISP x win H + {0x3811, 0x04}, // ISP x win L + {0x3813, 0x02}, // ISP y win L + {0x3814, 0x03}, // x odd inc + {0x3815, 0x01}, // x even inc + {0x3820, 0x00}, // vflip off + {0x3821, 0x67}, // mirror on, bin o + {0x382a, 0x03}, // y odd inc + {0x382b, 0x01}, // y even inc + {0x3830, 0x08}, + {0x3836, 0x02}, + {0x3837, 0x18}, + {0x3841, 0xff}, // window auto size enable + {0x3846, 0x48}, // + {0x3d85, 0x16}, // OTP power up load data/setting enable + {0x3d8c, 0x73}, // OTP setting start High + {0x3d8d, 0xde}, // OTP setting start Low + {0x3f08, 0x10}, // + {0x3f0a, 0x00}, // + {0x4000, 0xf1}, // out_range/format_chg/gain/exp_chg trig enable + {0x4001, 0x10}, // total 128 black column + {0x4005, 0x10}, // BLC target L + {0x4002, 0x27}, // value used to limit BLC offset + {0x4009, 0x81}, // final BLC offset limitation enable + {0x400b, 0x0c}, // DCBLC on, DCBLC manual mode on + {0x401b, 0x00}, // zero line R coefficient + {0x401d, 0x00}, // zoro line T coefficient + {0x4020, 0x00}, // Anchor left start H + {0x4021, 0x04}, // Anchor left start L + {0x4022, 0x06}, // Anchor left end H + {0x4023, 0x00}, // Anchor left end L + {0x4024, 0x0f}, // Anchor right start H + {0x4025, 0x2a}, // Anchor right start L + {0x4026, 0x0f}, // Anchor right end H + {0x4027, 0x2b}, // Anchor right end L + {0x4028, 0x00}, // top zero line start + {0x4029, 0x02}, // top zero line number + {0x402a, 0x04}, // top black line start + {0x402b, 0x04}, // top black line number + {0x402c, 0x00}, // bottom zero line start + {0x402d, 0x02}, // bottom zoro line number + {0x402e, 0x04}, // bottom black line start + {0x402f, 0x04}, // bottom black line number + {0x401f, 0x00}, // interpolation x/y disable, Anchor one disable + {0x4034, 0x3f}, + {0x403d, 0x04}, // md_precision_en + {0x4300, 0xff}, // clip max H + {0x4301, 0x00}, // clip min H + {0x4302, 0x0f}, // clip min L, clip max L + {0x4316, 0x00}, + {0x4500, 0x58}, + {0x4503, 0x18}, + {0x4600, 0x00}, + {0x4601, 0xcb}, + {0x481f, 0x32}, // clk prepare min + {0x4837, 0x16}, // global timing + {0x4850, 0x10}, // lane 1 = 1, lane 0 = 0 + {0x4851, 0x32}, // lane 3 = 3, lane 2 = 2 + {0x4b00, 0x2a}, + {0x4b0d, 0x00}, + {0x4d00, 0x04}, // temperature sensor + {0x4d01, 0x18}, // + {0x4d02, 0xc3}, // + {0x4d03, 0xff}, // + {0x4d04, 0xff}, // + {0x4d05, 0xff}, // temperature sensor + {0x5000, 0xfe}, // lenc on, slave/master AWB gain/statistics enable + {0x5001, 0x01}, // BLC on + {0x5002, 0x08}, // WBMATCH sensor's gain, H scale/WBMATCH/OTP_DPC off + {0x5003, 0x20}, // DPC_DBC buffer control enable, WB + {0x501e, 0x93}, // enable digital gain + {0x5046, 0x12}, // + {0x5780, 0x3e}, // DPC + {0x5781, 0x0f}, // + {0x5782, 0x44}, // + {0x5783, 0x02}, // + {0x5784, 0x01}, // + {0x5785, 0x00}, // + {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}, // DPC + {0x5871, 0x0d}, // Lenc + {0x5870, 0x18}, // + {0x586e, 0x10}, // + {0x586f, 0x08}, // + {0x58f7, 0x01}, // + {0x58f8, 0x3d}, // Lenc + {0x5901, 0x00}, // H skip off, V skip off + {0x5b00, 0x02}, // OTP DPC start address + {0x5b01, 0x10}, // OTP DPC start address + {0x5b02, 0x03}, // OTP DPC end address + {0x5b03, 0xcf}, // OTP DPC end address + {0x5b05, 0x6c}, // recover method = 2b11 + {0x5e00, 0x00}, // use 0x3ff to test pattern off + {0x5e01, 0x41}, // window cut enable + {0x382d, 0x7f}, // + {0x4825, 0x3a}, // lpx_p_min + {0x4826, 0x40}, // hs_prepare_min + {0x4808, 0x25}, // wake up delay in 1/1024 s + {0x3763, 0x18}, + {0x3768, 0xcc}, + {0x470b, 0x28}, + {0x4202, 0x00}, + {0x400d, 0x10}, // BLC offset trigger L + {0x4040, 0x04}, // BLC gain th2 + {0x403e, 0x04}, // BLC gain th1 + {0x4041, 0xc6}, // BLC + {0x3007, 0x80}, + {0x400a, 0x01}, + {REG_NULL, 0x00}, +}; + +/* + * Xclk 24Mhz + * max_framerate 60fps + * mipi_datarate per lane 720Mbps + */ +static const struct regval ov8858_1632x1224_regs_4lane[] = { + {0x0100, 0x00}, + {0x3501, 0x4d}, // exposure M + {0x3502, 0x40}, // exposure L + {0x3808, 0x06}, // x output size H + {0x3809, 0x60}, // x output size L + {0x380a, 0x04}, // y output size H + {0x380b, 0xc8}, // y output size L + {0x380c, 0x07}, // HTS H + {0x380d, 0x88}, // HTS L + {0x380e, 0x04}, // VTS H + {0x380f, 0xdc}, // VTS L + {0x3814, 0x03}, // x odd inc + {0x3821, 0x67}, // mirror on, bin on + {0x382a, 0x03}, // y odd inc + {0x3830, 0x08}, + {0x3836, 0x02}, + {0x3f0a, 0x00}, + {0x4001, 0x10}, // total 128 black column + {0x4022, 0x06}, // Anchor left end H + {0x4023, 0x00}, // Anchor left end L + {0x4025, 0x2a}, // Anchor right start L + {0x4027, 0x2b}, // Anchor right end L + {0x402b, 0x04}, // top black line number + {0x402f, 0x04}, // bottom black line number + {0x4500, 0x58}, + {0x4600, 0x00}, + {0x4601, 0xcb}, + {0x382d, 0x7f}, + {0x0100, 0x01}, + {REG_NULL, 0x00}, +}; + +/* + * Xclk 24Mhz + * max_framerate 30fps + * mipi_datarate per lane 720Mbps + */ +static const struct regval ov8858_3264x2448_regs_4lane[] = { + {0x0100, 0x00}, + {0x3501, 0x9a}, // exposure M + {0x3502, 0x20}, // exposure L + {0x3808, 0x0c}, // x output size H + {0x3809, 0xc0}, // x output size L + {0x380a, 0x09}, // y output size H + {0x380b, 0x90}, // y output size L + {0x380c, 0x07}, // HTS H + {0x380d, 0x94}, // HTS L + {0x380e, 0x09}, // VTS H + {0x380f, 0xaa}, // VTS L + {0x3814, 0x01}, // x odd inc + {0x3821, 0x46}, // mirror on, bin off + {0x382a, 0x01}, // y odd inc + {0x3830, 0x06}, + {0x3836, 0x01}, + {0x3f0a, 0x00}, + {0x4001, 0x00}, // total 256 black column + {0x4022, 0x0c}, // Anchor left end H + {0x4023, 0x60}, // Anchor left end L + {0x4025, 0x36}, // Anchor right start L + {0x4027, 0x37}, // Anchor right end L + {0x402b, 0x08}, // top black line number + {0x402f, 0x08}, // interpolation x/y disable, Anchor one disable + {0x4500, 0x58}, + {0x4600, 0x01}, + {0x4601, 0x97}, + {0x382d, 0xff}, + {REG_NULL, 0x00}, +}; + +static const struct ov8858_mode ov8858_modes[] = { + { + .width = 3264, + .height = 2448, + .exp_def = 2464, + .hts_def = 1940 * 2, + .vts_def = 2472, + .reg_modes = { + .mode_2lanes = ov8858_3264x2448_regs_2lane, + .mode_4lanes = ov8858_3264x2448_regs_4lane, + }, + }, + { + .width = 1632, + .height = 1224, + .exp_def = 1232, + .hts_def = 1928 * 2, + .vts_def = 1244, + .reg_modes = { + .mode_2lanes = ov8858_1632x1224_regs_2lane, + .mode_4lanes = ov8858_1632x1224_regs_4lane, + }, + }, +}; +#define OV8858_NUM_MODES ARRAY_SIZE(ov8858_modes) + +static const s64 link_freq_menu_items[] = { + OV8858_LINK_FREQ +}; + +static const char * const ov8858_test_pattern_menu[] = { + "Disabled", + "Vertical Color Bar Type 1", + "Vertical Color Bar Type 2", + "Vertical Color Bar Type 3", + "Vertical Color Bar Type 4" +}; + +static int ov8858_write_reg(struct i2c_client *client, u32 reg, u32 val, + int *err) +{ + unsigned int len = (reg >> OV8858_REG_SIZE_SHIFT) & 3; + u16 addr = reg & OV8858_REG_ADDR_MASK; + u8 buf[6]; + int ret; + + if (err && *err) + return *err; + + put_unaligned_be16(addr, buf); + put_unaligned_be32(val << (8 * (4 - len)), buf + 2); + + ret = i2c_master_send(client, buf, len + 2); + if (ret != len + 2) { + if (err) + *err = ret < 0 ? ret : -EIO; + return ret < 0 ? ret : -EIO; + } + + return 0; +} + +static int ov8858_write_array(struct i2c_client *client, const struct regval *regs) +{ + unsigned int i; + int ret = 0; + + for (i = 0; ret == 0 && regs[i].addr != REG_NULL; ++i) + ov8858_write_reg(client, OV8858_REG_8BIT(regs[i].addr), + regs[i].val, &ret); + + return ret; +} + +static int ov8858_read_reg(struct i2c_client *client, u32 reg, u32 *val) +{ + __be16 reg_addr_be = cpu_to_be16(reg & OV8858_REG_ADDR_MASK); + unsigned int len = (reg >> OV8858_REG_SIZE_SHIFT) & 3; + struct i2c_msg msgs[2]; + __be32 data_be = 0; + u8 *data_be_p; + int ret; + + data_be_p = (u8 *)&data_be; + /* Write register address */ + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = 2; + msgs[0].buf = (u8 *)®_addr_be; + + /* Read data from register */ + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = len; + msgs[1].buf = &data_be_p[4 - len]; + + ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (ret != ARRAY_SIZE(msgs)) + return -EIO; + + *val = be32_to_cpu(data_be); + + return 0; +} + +static int ov8858_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + struct v4l2_subdev_format *fmt) +{ + struct ov8858 *ov8858 = to_ov8858(sd); + struct v4l2_mbus_framefmt *format; + const struct ov8858_mode *mode; + s64 h_blank, vblank_def; + + mode = v4l2_find_nearest_size(ov8858_modes, OV8858_NUM_MODES, + width, height, fmt->format.width, + fmt->format.height); + + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.field = V4L2_FIELD_NONE; + + format = v4l2_subdev_get_pad_format(sd, state, 0); + + if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { + ov8858->cur_mode = mode; + h_blank = mode->hts_def - mode->width; + __v4l2_ctrl_modify_range(ov8858->hblank, h_blank, h_blank, 1, + h_blank); + + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(ov8858->vblank, vblank_def, + OV8858_VTS_MAX - mode->height, 1, + vblank_def); + } + + *format = fmt->format; + + return 0; +} + +static int ov8858_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->index != 0) + return -EINVAL; + + code->code = MEDIA_BUS_FMT_SBGGR10_1X10; + + return 0; +} + +static int ov8858_enum_frame_sizes(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + struct v4l2_subdev_frame_size_enum *fse) +{ + if (fse->index >= OV8858_NUM_MODES) + return -EINVAL; + + if (fse->code != MEDIA_BUS_FMT_SBGGR10_1X10) + return -EINVAL; + + fse->min_width = ov8858_modes[fse->index].width; + fse->max_width = ov8858_modes[fse->index].width; + fse->max_height = ov8858_modes[fse->index].height; + fse->min_height = ov8858_modes[fse->index].height; + + return 0; +} + +static int ov8858_enable_test_pattern(struct ov8858 *ov8858, u32 pattern) +{ + u32 val; + + if (pattern) + val = (pattern - 1) | OV8858_TEST_PATTERN_ENABLE; + else + val = OV8858_TEST_PATTERN_DISABLE; + + return ov8858_write_reg(ov8858->client, OV8858_REG_TEST_PATTERN, + val, NULL); +} + +static int ov8858_start_stream(struct ov8858 *ov8858) +{ + const struct regval *reg_list; + int ret; + + ret = ov8858_write_array(ov8858->client, ov8858->global_regs); + if (ret) + return ret; + + if (ov8858->num_lanes == 4) + reg_list = ov8858->cur_mode->reg_modes.mode_4lanes; + else + reg_list = ov8858->cur_mode->reg_modes.mode_2lanes; + + ret = ov8858_write_array(ov8858->client, reg_list); + if (ret) + return ret; + + /* 200 usec max to have PLL stabilize. */ + fsleep(200); + + ret = __v4l2_ctrl_handler_setup(&ov8858->ctrl_handler); + if (ret) + return ret; + + ret = ov8858_write_reg(ov8858->client, OV8858_REG_CTRL_MODE, + OV8858_MODE_STREAMING, NULL); + if (ret) + return ret; + + /* t5 (fixed) = 10msec before entering streaming state */ + fsleep(10000); + + return 0; +} + +static int ov8858_stop_stream(struct ov8858 *ov8858) +{ + return ov8858_write_reg(ov8858->client, OV8858_REG_CTRL_MODE, + OV8858_MODE_SW_STANDBY, NULL); +} + +static int ov8858_s_stream(struct v4l2_subdev *sd, int on) +{ + struct ov8858 *ov8858 = to_ov8858(sd); + struct i2c_client *client = ov8858->client; + struct v4l2_subdev_state *state; + int ret = 0; + + /* Only for locking purpose. */ + state = v4l2_subdev_lock_and_get_active_state(sd); + + if (!!on == ov8858->streaming) + goto unlock_and_return; + + if (on) { + ret = pm_runtime_resume_and_get(&client->dev); + if (ret < 0) + goto unlock_and_return; + + ret = ov8858_start_stream(ov8858); + if (ret) { + dev_err(&client->dev, "Failed to start streaming\n"); + pm_runtime_put(&client->dev); + goto unlock_and_return; + } + } else { + ov8858_stop_stream(ov8858); + pm_runtime_put(&client->dev); + } + + ov8858->streaming = !!on; + +unlock_and_return: + v4l2_subdev_unlock_state(state); + + return ret; +} + +static int ov8858_power_on(struct ov8858 *ov8858) +{ + struct device *dev = &ov8858->client->dev; + unsigned long delay_us; + int ret; + + ret = clk_set_rate(ov8858->xvclk, OV8858_XVCLK_FREQ); + if (ret < 0) + dev_warn(dev, "Failed to set xvclk rate (24MHz)\n"); + if (clk_get_rate(ov8858->xvclk) != OV8858_XVCLK_FREQ) + dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); + + ret = clk_prepare_enable(ov8858->xvclk); + if (ret < 0) { + dev_err(dev, "Failed to enable xvclk\n"); + return ret; + } + + ret = regulator_bulk_enable(OV8858_NUM_SUPPLIES, ov8858->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators\n"); + goto disable_clk; + } + + /* + * The chip manual only suggests 8192 cycles prior to first SCCB + * transaction, but a double sleep between the release of gpios + * helps with sporadic failures observed at probe time. + */ + delay_us = DIV_ROUND_UP(8192, OV8858_XVCLK_FREQ / 1000 / 1000); + + gpiod_set_value_cansleep(ov8858->reset_gpio, 0); + fsleep(delay_us); + gpiod_set_value_cansleep(ov8858->pwdn_gpio, 0); + fsleep(delay_us); + + return 0; + +disable_clk: + clk_disable_unprepare(ov8858->xvclk); + + return ret; +} + +static void ov8858_power_off(struct ov8858 *ov8858) +{ + gpiod_set_value_cansleep(ov8858->pwdn_gpio, 1); + clk_disable_unprepare(ov8858->xvclk); + gpiod_set_value_cansleep(ov8858->reset_gpio, 1); + + regulator_bulk_disable(OV8858_NUM_SUPPLIES, ov8858->supplies); +} + +static int ov8858_runtime_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov8858 *ov8858 = to_ov8858(sd); + + return ov8858_power_on(ov8858); +} + +static int ov8858_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov8858 *ov8858 = to_ov8858(sd); + + ov8858_power_off(ov8858); + + return 0; +} + +static int ov8858_init_cfg(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state) +{ + struct ov8858 *ov8858 = to_ov8858(sd); + const struct ov8858_mode *def_mode = ov8858->cur_mode; + struct v4l2_subdev_format fmt = { + .which = V4L2_SUBDEV_FORMAT_TRY, + .format = { + .width = def_mode->width, + .height = def_mode->height, + }, + }; + + ov8858_set_fmt(sd, sd_state, &fmt); + + return 0; +} + +static const struct v4l2_subdev_video_ops ov8858_video_ops = { + .s_stream = ov8858_s_stream, +}; + +static const struct v4l2_subdev_pad_ops ov8858_pad_ops = { + .init_cfg = ov8858_init_cfg, + .enum_mbus_code = ov8858_enum_mbus_code, + .enum_frame_size = ov8858_enum_frame_sizes, + .get_fmt = v4l2_subdev_get_fmt, + .set_fmt = ov8858_set_fmt, +}; + +static const struct v4l2_subdev_ops ov8858_subdev_ops = { + .video = &ov8858_video_ops, + .pad = &ov8858_pad_ops, +}; + +static int ov8858_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct ov8858 *ov8858 = container_of(ctrl->handler, + struct ov8858, ctrl_handler); + struct i2c_client *client = ov8858->client; + s64 max_exp; + int ret; + + /* Propagate change of current control to all related controls */ + switch (ctrl->id) { + case V4L2_CID_VBLANK: + /* Update max exposure while meeting expected vblanking */ + max_exp = ov8858->cur_mode->height + ctrl->val - 4; + __v4l2_ctrl_modify_range(ov8858->exposure, + ov8858->exposure->minimum, max_exp, + ov8858->exposure->step, + ov8858->exposure->default_value); + break; + } + + if (!pm_runtime_get_if_in_use(&client->dev)) + return 0; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + /* 4 least significant bits of exposure are fractional part */ + ret = ov8858_write_reg(ov8858->client, OV8858_REG_EXPOSURE, + ctrl->val << 4, NULL); + break; + case V4L2_CID_ANALOGUE_GAIN: + ret = 0; + ov8858_write_reg(ov8858->client, OV8858_REG_GAIN_H, + (ctrl->val >> OV8858_GAIN_H_SHIFT) & + OV8858_GAIN_H_MASK, &ret); + ov8858_write_reg(ov8858->client, + OV8858_REG_GAIN_L, + ctrl->val & OV8858_GAIN_L_MASK, &ret); + break; + case V4L2_CID_DIGITAL_GAIN: + ret = 0; + ov8858_write_reg(ov8858->client, OV8858_REG_DGAIN_H, + (ctrl->val >> OV8858_DGAIN_H_SHIFT) & + OV8858_DGAIN_H_MASK, &ret); + ov8858_write_reg(ov8858->client, OV8858_REG_DGAIN_L, + ctrl->val & OV8858_DGAIN_L_MASK, &ret); + break; + case V4L2_CID_VBLANK: + ret = ov8858_write_reg(ov8858->client, OV8858_REG_VTS, + ctrl->val + ov8858->cur_mode->height, + NULL); + break; + case V4L2_CID_TEST_PATTERN: + ret = ov8858_enable_test_pattern(ov8858, ctrl->val); + break; + default: + ret = -EINVAL; + dev_warn(&client->dev, "%s Unhandled id: 0x%x\n", + __func__, ctrl->id); + break; + } + + return ret; +} + +static const struct v4l2_ctrl_ops ov8858_ctrl_ops = { + .s_ctrl = ov8858_set_ctrl, +}; + +static int ov8858_initialize_controls(struct ov8858 *ov8858) +{ + struct v4l2_fwnode_device_properties props; + struct v4l2_ctrl_handler *handler; + const struct ov8858_mode *mode; + s64 exposure_max, vblank_def; + struct v4l2_ctrl *ctrl; + u32 h_blank; + int ret; + + handler = &ov8858->ctrl_handler; + mode = ov8858->cur_mode; + ret = v4l2_ctrl_handler_init(handler, 10); + if (ret) + return ret; + handler->lock = &ov8858->mutex; + + ctrl = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, + 0, 0, link_freq_menu_items); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, + 0, ov8858->pixel_rate, 1, ov8858->pixel_rate); + + h_blank = mode->hts_def - mode->width; + ov8858->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, + h_blank, h_blank, 1, h_blank); + if (ov8858->hblank) + ov8858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + vblank_def = mode->vts_def - mode->height; + ov8858->vblank = v4l2_ctrl_new_std(handler, &ov8858_ctrl_ops, + V4L2_CID_VBLANK, vblank_def, + OV8858_VTS_MAX - mode->height, + 1, vblank_def); + + exposure_max = mode->vts_def - 4; + ov8858->exposure = v4l2_ctrl_new_std(handler, &ov8858_ctrl_ops, + V4L2_CID_EXPOSURE, + OV8858_EXPOSURE_MIN, + exposure_max, OV8858_EXPOSURE_STEP, + mode->exp_def); + + v4l2_ctrl_new_std(handler, &ov8858_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, + OV8858_GAIN_MIN, OV8858_GAIN_MAX, OV8858_GAIN_STEP, + OV8858_GAIN_DEFAULT); + + v4l2_ctrl_new_std(handler, &ov8858_ctrl_ops, V4L2_CID_DIGITAL_GAIN, + OV8858_DGAIN_MIN, OV8858_DGAIN_MAX, OV8858_DGAIN_STEP, + OV8858_DGAIN_DEFAULT); + + v4l2_ctrl_new_std_menu_items(handler, &ov8858_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov8858_test_pattern_menu) - 1, + 0, 0, ov8858_test_pattern_menu); + + if (handler->error) { + ret = handler->error; + goto err_free_handler; + } + + ret = v4l2_fwnode_device_parse(&ov8858->client->dev, &props); + if (ret) + goto err_free_handler; + + ret = v4l2_ctrl_new_fwnode_properties(handler, &ov8858_ctrl_ops, + &props); + if (ret) + goto err_free_handler; + + ov8858->subdev.ctrl_handler = handler; + + return 0; + +err_free_handler: + dev_err(&ov8858->client->dev, "Failed to init controls (%d)\n", ret); + v4l2_ctrl_handler_free(handler); + + return ret; +} + +static int ov8858_check_sensor_id(struct ov8858 *ov8858, + struct i2c_client *client) +{ + struct device *dev = &ov8858->client->dev; + u32 id = 0; + int ret; + + ret = ov8858_read_reg(client, OV8858_REG_CHIP_ID, &id); + if (id != OV8858_CHIP_ID) { + dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret); + return ret; + } + + ret = ov8858_read_reg(client, OV8858_CHIP_REVISION_REG, &id); + if (ret) { + dev_err(dev, "Read chip revision register error\n"); + return ret; + } + + dev_info(dev, "Detected OV%06x sensor, REVISION 0x%x\n", + OV8858_CHIP_ID, id); + + if (id == OV8858_R2A) { + ov8858->global_regs = ov8858->num_lanes == 4 + ? ov8858_global_regs_r2a_4lane + : ov8858_global_regs_r2a_2lane; + } else { + ov8858->global_regs = ov8858_global_regs_r1a; + dev_warn(dev, "R1A may not work well!\n"); + } + + return 0; +} + +static int ov8858_configure_regulators(struct ov8858 *ov8858) +{ + unsigned int i; + + for (i = 0; i < OV8858_NUM_SUPPLIES; i++) + ov8858->supplies[i].supply = ov8858_supply_names[i]; + + return devm_regulator_bulk_get(&ov8858->client->dev, + OV8858_NUM_SUPPLIES, + ov8858->supplies); +} + +static int ov8858_parse_of(struct ov8858 *ov8858) +{ + struct v4l2_fwnode_endpoint vep = { .bus_type = V4L2_MBUS_CSI2_DPHY }; + struct device *dev = &ov8858->client->dev; + struct fwnode_handle *endpoint; + int ret; + + endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(dev), NULL); + if (!endpoint) { + dev_err(dev, "Failed to get endpoint\n"); + return -EINVAL; + } + + ret = v4l2_fwnode_endpoint_parse(endpoint, &vep); + if (ret) { + dev_err(dev, "Failed to parse endpoint: %d\n", ret); + fwnode_handle_put(endpoint); + return ret; + } + + ov8858->num_lanes = vep.bus.mipi_csi2.num_data_lanes; + switch (ov8858->num_lanes) { + case 4: + fallthrough; + case 2: + break; + default: + dev_err(dev, "Unsupported number of data lanes %u\n", + ov8858->num_lanes); + fwnode_handle_put(endpoint); + return -EINVAL; + } + + /* pixel rate = link frequency * 2 * lanes / bpp */ + ov8858->cur_mode = &ov8858_modes[0]; + ov8858->pixel_rate = OV8858_LINK_FREQ * 2U * ov8858->num_lanes / 10U; + ov8858->subdev.fwnode = endpoint; + + dev_dbg(dev, "num_lanes = %u - pixel_rate = %u\n", + ov8858->num_lanes, ov8858->pixel_rate); + + return 0; +} + +static int ov8858_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct v4l2_subdev *sd; + struct ov8858 *ov8858; + int ret; + + ov8858 = devm_kzalloc(dev, sizeof(*ov8858), GFP_KERNEL); + if (!ov8858) + return -ENOMEM; + + ov8858->client = client; + + ov8858->xvclk = devm_clk_get(dev, "xvclk"); + if (IS_ERR(ov8858->xvclk)) + return dev_err_probe(dev, PTR_ERR(ov8858->xvclk), + "failed to get xvclk\n"); + + ov8858->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_OUT_HIGH); + if (IS_ERR(ov8858->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ov8858->reset_gpio), + "failed to get reset gpio\n"); + + ov8858->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", + GPIOD_OUT_HIGH); + if (IS_ERR(ov8858->pwdn_gpio)) + return dev_err_probe(dev, PTR_ERR(ov8858->pwdn_gpio), + "failed to get powerdown gpio\n"); + + ret = ov8858_configure_regulators(ov8858); + if (ret) + return dev_err_probe(dev, ret, "failed to get regulators\n"); + + sd = &ov8858->subdev; + v4l2_i2c_subdev_init(sd, client, &ov8858_subdev_ops); + + ret = ov8858_parse_of(ov8858); + if (ret != 0) + return ret; + + ret = ov8858_initialize_controls(ov8858); + if (ret) + return ret; + + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + ov8858->pad.flags = MEDIA_PAD_FL_SOURCE; + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; + ret = media_entity_pads_init(&sd->entity, 1, &ov8858->pad); + if (ret < 0) + goto err_free_handler; + + sd->state_lock = &ov8858->mutex; + ret = v4l2_subdev_init_finalize(sd); + if (ret < 0) { + dev_err(&client->dev, "subdev initialization error %d\n", ret); + goto err_clean_entity; + } + + ret = ov8858_power_on(ov8858); + if (ret) + goto err_clean_entity; + + ret = ov8858_check_sensor_id(ov8858, client); + if (ret) + goto err_power_off; + + ret = v4l2_async_register_subdev_sensor(sd); + if (ret) { + dev_err(dev, "v4l2 async register subdev failed\n"); + goto err_power_off; + } + + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + pm_runtime_idle(dev); + + return 0; + +err_power_off: + ov8858_power_off(ov8858); +err_clean_entity: + media_entity_cleanup(&sd->entity); +err_free_handler: + v4l2_ctrl_handler_free(&ov8858->ctrl_handler); + + return ret; +} + +static void ov8858_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov8858 *ov8858 = to_ov8858(sd); + + v4l2_async_unregister_subdev(sd); + media_entity_cleanup(&sd->entity); + v4l2_ctrl_handler_free(&ov8858->ctrl_handler); + + pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + ov8858_power_off(ov8858); + pm_runtime_set_suspended(&client->dev); +} + +static const struct of_device_id ov8858_of_match[] = { + { .compatible = "ovti,ov8858" }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, ov8858_of_match); + +static const struct dev_pm_ops ov8858_pm_ops = { + SET_RUNTIME_PM_OPS(ov8858_runtime_suspend, + ov8858_runtime_resume, NULL) +}; + +static struct i2c_driver ov8858_i2c_driver = { + .driver = { + .name = "ov8858", + .pm = &ov8858_pm_ops, + .of_match_table = of_match_ptr(ov8858_of_match), + }, + .probe_new = &ov8858_probe, + .remove = &ov8858_remove, +}; + +module_i2c_driver(ov8858_i2c_driver); + +MODULE_DESCRIPTION("OmniVision ov8858 sensor driver"); +MODULE_LICENSE("GPL");