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Commit 38fc5136 authored by Shawn Tu's avatar Shawn Tu Committed by Sakari Ailus
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media: i2c: Add ov08x40 image sensor driver 

Add a V4L2 sub-device driver for Omnivision ov08X40 image sensor.
This is a camera sensor using the I2C bus for control and the
CSI-2 bus for data.

This driver supports following features:
- manual exposure and analog/digital gain control support
- vblank/hblank control support
- test pattern support
- media controller support
- runtime PM support
- support following resolutions:
  + 3856x2464 at 30FPS
  + 1928x1208 at 30FPS
Signed-off-by: default avatarJason Chen <jason.z.chen@intel.com>
Signed-off-by: default avatarShawn Tu <shawnx.tu@intel.com>
Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
parent f98a5c2e
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MAINTAINERS
View file @ 38fc5136
...@@ -15176,6 +15176,13 @@ S: Maintained ...@@ -15176,6 +15176,13 @@ S: Maintained
T: git git://linuxtv.org/media_tree.git T: git git://linuxtv.org/media_tree.git
F: drivers/media/i2c/ov08d10.c F: drivers/media/i2c/ov08d10.c
OMNIVISION OV08X40 SENSOR DRIVER
M: Jason Chen <jason.z.chen@intel.com>
L: linux-media@vger.kernel.org
S: Maintained
T: git git://linuxtv.org/media_tree.git
F: drivers/media/i2c/ov08x40.c
OMNIVISION OV13858 SENSOR DRIVER OMNIVISION OV13858 SENSOR DRIVER
M: Sakari Ailus <sakari.ailus@linux.intel.com> M: Sakari Ailus <sakari.ailus@linux.intel.com>
L: linux-media@vger.kernel.org L: linux-media@vger.kernel.org
......
drivers/media/i2c/Kconfig
View file @ 38fc5136
...@@ -364,6 +364,19 @@ config VIDEO_OV08D10 ...@@ -364,6 +364,19 @@ config VIDEO_OV08D10
To compile this driver as a module, choose M here: the To compile this driver as a module, choose M here: the
module will be called ov08d10. module will be called ov08d10.
config VIDEO_OV08X40
tristate "OmniVision OV08X40 sensor support"
depends on VIDEO_V4L2 && I2C
select MEDIA_CONTROLLER
select VIDEO_V4L2_SUBDEV_API
select V4L2_FWNODE
help
This is a Video4Linux2 sensor driver for the OmniVision
OV08X40 camera.
To compile this driver as a module, choose M here: the
module will be called ov08x40.
config VIDEO_OV13858 config VIDEO_OV13858
tristate "OmniVision OV13858 sensor support" tristate "OmniVision OV13858 sensor support"
depends on I2C && VIDEO_DEV depends on I2C && VIDEO_DEV
......
drivers/media/i2c/Makefile
View file @ 38fc5136
...@@ -72,6 +72,7 @@ obj-$(CONFIG_VIDEO_NOON010PC30) += noon010pc30.o ...@@ -72,6 +72,7 @@ obj-$(CONFIG_VIDEO_NOON010PC30) += noon010pc30.o
obj-$(CONFIG_VIDEO_OG01A1B) += og01a1b.o obj-$(CONFIG_VIDEO_OG01A1B) += og01a1b.o
obj-$(CONFIG_VIDEO_OV02A10) += ov02a10.o obj-$(CONFIG_VIDEO_OV02A10) += ov02a10.o
obj-$(CONFIG_VIDEO_OV08D10) += ov08d10.o obj-$(CONFIG_VIDEO_OV08D10) += ov08d10.o
obj-$(CONFIG_VIDEO_OV08X40) += ov08x40.o
obj-$(CONFIG_VIDEO_OV13858) += ov13858.o obj-$(CONFIG_VIDEO_OV13858) += ov13858.o
obj-$(CONFIG_VIDEO_OV13B10) += ov13b10.o obj-$(CONFIG_VIDEO_OV13B10) += ov13b10.o
obj-$(CONFIG_VIDEO_OV2640) += ov2640.o obj-$(CONFIG_VIDEO_OV2640) += ov2640.o
......
drivers/media/i2c/ov08x40.c 0 → 100644
View file @ 38fc5136
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2022 Intel Corporation.
#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fwnode.h>
#define OV08X40_REG_VALUE_08BIT 1
#define OV08X40_REG_VALUE_16BIT 2
#define OV08X40_REG_VALUE_24BIT 3
#define OV08X40_REG_MODE_SELECT 0x0100
#define OV08X40_MODE_STANDBY 0x00
#define OV08X40_MODE_STREAMING 0x01
#define OV08X40_REG_AO_STANDBY 0x1000
#define OV08X40_AO_STREAMING 0x04
#define OV08X40_REG_MS_SELECT 0x1001
#define OV08X40_MS_STANDBY 0x00
#define OV08X40_MS_STREAMING 0x04
#define OV08X40_REG_SOFTWARE_RST 0x0103
#define OV08X40_SOFTWARE_RST 0x01
/* Chip ID */
#define OV08X40_REG_CHIP_ID 0x300a
#define OV08X40_CHIP_ID 0x560858
/* V_TIMING internal */
#define OV08X40_REG_VTS 0x380e
#define OV08X40_VTS_30FPS 0x1388
#define OV08X40_VTS_BIN_30FPS 0x115c
#define OV08X40_VTS_MAX 0x7fff
/* H TIMING internal */
#define OV08X40_REG_HTS 0x380c
#define OV08X40_HTS_30FPS 0x0280
/* Exposure control */
#define OV08X40_REG_EXPOSURE 0x3500
#define OV08X40_EXPOSURE_MAX_MARGIN 31
#define OV08X40_EXPOSURE_MIN 1
#define OV08X40_EXPOSURE_STEP 1
#define OV08X40_EXPOSURE_DEFAULT 0x40
/* Short Exposure control */
#define OV08X40_REG_SHORT_EXPOSURE 0x3540
/* Analog gain control */
#define OV08X40_REG_ANALOG_GAIN 0x3508
#define OV08X40_ANA_GAIN_MIN 0x80
#define OV08X40_ANA_GAIN_MAX 0x07c0
#define OV08X40_ANA_GAIN_STEP 1
#define OV08X40_ANA_GAIN_DEFAULT 0x80
/* Digital gain control */
#define OV08X40_REG_DGTL_GAIN_H 0x350a
#define OV08X40_REG_DGTL_GAIN_M 0x350b
#define OV08X40_REG_DGTL_GAIN_L 0x350c
#define OV08X40_DGTL_GAIN_MIN 1024 /* Min = 1 X */
#define OV08X40_DGTL_GAIN_MAX (4096 - 1) /* Max = 4 X */
#define OV08X40_DGTL_GAIN_DEFAULT 2560 /* Default gain = 2.5 X */
#define OV08X40_DGTL_GAIN_STEP 1 /* Each step = 1/1024 */
#define OV08X40_DGTL_GAIN_L_SHIFT 6
#define OV08X40_DGTL_GAIN_L_MASK 0x3
#define OV08X40_DGTL_GAIN_M_SHIFT 2
#define OV08X40_DGTL_GAIN_M_MASK 0xff
#define OV08X40_DGTL_GAIN_H_SHIFT 10
#define OV08X40_DGTL_GAIN_H_MASK 0x1F
/* Test Pattern Control */
#define OV08X40_REG_TEST_PATTERN 0x50C1
#define OV08X40_REG_ISP 0x5000
#define OV08X40_REG_SHORT_TEST_PATTERN 0x53C1
#define OV08X40_TEST_PATTERN_ENABLE BIT(0)
#define OV08X40_TEST_PATTERN_MASK 0xcf
#define OV08X40_TEST_PATTERN_BAR_SHIFT 4
/* Flip Control */
#define OV08X40_REG_VFLIP 0x3820
#define OV08X40_REG_MIRROR 0x3821
/* Horizontal Window Offset */
#define OV08X40_REG_H_WIN_OFFSET 0x3811
/* Vertical Window Offset */
#define OV08X40_REG_V_WIN_OFFSET 0x3813
enum {
OV08X40_LINK_FREQ_400MHZ_INDEX,
};
struct ov08x40_reg {
u16 address;
u8 val;
};
struct ov08x40_reg_list {
u32 num_of_regs;
const struct ov08x40_reg *regs;
};
/* Link frequency config */
struct ov08x40_link_freq_config {
u32 pixels_per_line;
/* registers for this link frequency */
struct ov08x40_reg_list reg_list;
};
/* Mode : resolution and related config&values */
struct ov08x40_mode {
/* Frame width */
u32 width;
/* Frame height */
u32 height;
u32 lanes;
/* V-timing */
u32 vts_def;
u32 vts_min;
/* Index of Link frequency config to be used */
u32 link_freq_index;
/* Default register values */
struct ov08x40_reg_list reg_list;
};
static const struct ov08x40_reg mipi_data_rate_800mbps[] = {
{0x0103, 0x01},
{0x1000, 0x00},
{0x1601, 0xd0},
{0x1001, 0x04},
{0x5004, 0x53},
{0x5110, 0x00},
{0x5111, 0x14},
{0x5112, 0x01},
{0x5113, 0x7b},
{0x5114, 0x00},
{0x5152, 0xa3},
{0x5a52, 0x1f},
{0x5a1a, 0x0e},
{0x5a1b, 0x10},
{0x5a1f, 0x0e},
{0x5a27, 0x0e},
{0x6002, 0x2e},
};
static const struct ov08x40_reg mode_3856x2416_regs[] = {
{0x5000, 0x5d},
{0x5001, 0x20},
{0x5008, 0xb0},
{0x50c1, 0x00},
{0x53c1, 0x00},
{0x5f40, 0x00},
{0x5f41, 0x40},
{0x0300, 0x3a},
{0x0301, 0xc8},
{0x0302, 0x31},
{0x0303, 0x03},
{0x0304, 0x01},
{0x0305, 0xa1},
{0x0306, 0x04},
{0x0307, 0x01},
{0x0308, 0x03},
{0x0309, 0x03},
{0x0310, 0x0a},
{0x0311, 0x02},
{0x0312, 0x01},
{0x0313, 0x08},
{0x0314, 0x66},
{0x0315, 0x00},
{0x0316, 0x34},
{0x0320, 0x02},
{0x0321, 0x03},
{0x0323, 0x05},
{0x0324, 0x01},
{0x0325, 0xb8},
{0x0326, 0x4a},
{0x0327, 0x04},
{0x0329, 0x00},
{0x032a, 0x05},
{0x032b, 0x00},
{0x032c, 0x00},
{0x032d, 0x00},
{0x032e, 0x02},
{0x032f, 0xa0},
{0x0350, 0x00},
{0x0360, 0x01},
{0x1216, 0x60},
{0x1217, 0x5b},
{0x1218, 0x00},
{0x1220, 0x24},
{0x198a, 0x00},
{0x198b, 0x01},
{0x198e, 0x00},
{0x198f, 0x01},
{0x3009, 0x04},
{0x3012, 0x41},
{0x3015, 0x00},
{0x3016, 0xb0},
{0x3017, 0xf0},
{0x3018, 0xf0},
{0x3019, 0xd2},
{0x301a, 0xb0},
{0x301c, 0x81},
{0x301d, 0x02},
{0x301e, 0x80},
{0x3022, 0xf0},
{0x3025, 0x89},
{0x3030, 0x03},
{0x3044, 0xc2},
{0x3050, 0x35},
{0x3051, 0x60},
{0x3052, 0x25},
{0x3053, 0x00},
{0x3054, 0x00},
{0x3055, 0x02},
{0x3056, 0x80},
{0x3057, 0x80},
{0x3058, 0x80},
{0x3059, 0x00},
{0x3107, 0x86},
{0x3400, 0x1c},
{0x3401, 0x80},
{0x3402, 0x8c},
{0x3419, 0x13},
{0x341a, 0x89},
{0x341b, 0x30},
{0x3420, 0x00},
{0x3421, 0x00},
{0x3422, 0x00},
{0x3423, 0x00},
{0x3424, 0x00},
{0x3425, 0x00},
{0x3426, 0x00},
{0x3427, 0x00},
{0x3428, 0x0f},
{0x3429, 0x00},
{0x342a, 0x00},
{0x342b, 0x00},
{0x342c, 0x00},
{0x342d, 0x00},
{0x342e, 0x00},
{0x342f, 0x11},
{0x3430, 0x11},
{0x3431, 0x10},
{0x3432, 0x00},
{0x3433, 0x00},
{0x3434, 0x00},
{0x3435, 0x00},
{0x3436, 0x00},
{0x3437, 0x00},
{0x3442, 0x02},
{0x3443, 0x02},
{0x3444, 0x07},
{0x3450, 0x00},
{0x3451, 0x00},
{0x3452, 0x18},
{0x3453, 0x18},
{0x3454, 0x00},
{0x3455, 0x80},
{0x3456, 0x08},
{0x3500, 0x00},
{0x3501, 0x02},
{0x3502, 0x00},
{0x3504, 0x4c},
{0x3506, 0x30},
{0x3507, 0x00},
{0x3508, 0x01},
{0x3509, 0x00},
{0x350a, 0x01},
{0x350b, 0x00},
{0x350c, 0x00},
{0x3540, 0x00},
{0x3541, 0x01},
{0x3542, 0x00},
{0x3544, 0x4c},
{0x3546, 0x30},
{0x3547, 0x00},
{0x3548, 0x01},
{0x3549, 0x00},
{0x354a, 0x01},
{0x354b, 0x00},
{0x354c, 0x00},
{0x3688, 0x02},
{0x368a, 0x2e},
{0x368e, 0x71},
{0x3696, 0xd1},
{0x3699, 0x00},
{0x369a, 0x00},
{0x36a4, 0x00},
{0x36a6, 0x00},
{0x3711, 0x00},
{0x3712, 0x51},
{0x3713, 0x00},
{0x3714, 0x24},
{0x3716, 0x00},
{0x3718, 0x07},
{0x371a, 0x1c},
{0x371b, 0x00},
{0x3720, 0x08},
{0x3725, 0x32},
{0x3727, 0x05},
{0x3760, 0x02},
{0x3761, 0x17},
{0x3762, 0x02},
{0x3763, 0x02},
{0x3764, 0x02},
{0x3765, 0x2c},
{0x3766, 0x04},
{0x3767, 0x2c},
{0x3768, 0x02},
{0x3769, 0x00},
{0x376b, 0x20},
{0x376e, 0x03},
{0x37b0, 0x00},
{0x37b1, 0xab},
{0x37b2, 0x01},
{0x37b3, 0x82},
{0x37b4, 0x00},
{0x37b5, 0xe4},
{0x37b6, 0x01},
{0x37b7, 0xee},
{0x3800, 0x00},
{0x3801, 0x00},
{0x3802, 0x00},
{0x3803, 0x00},
{0x3804, 0x0f},
{0x3805, 0x1f},
{0x3806, 0x09},
{0x3807, 0x7f},
{0x3808, 0x0f},
{0x3809, 0x10},
{0x380a, 0x09},
{0x380b, 0x70},
{0x380c, 0x02},
{0x380d, 0x80},
{0x380e, 0x13},
{0x380f, 0x88},
{0x3810, 0x00},
{0x3811, 0x08},
{0x3812, 0x00},
{0x3813, 0x07},
{0x3814, 0x11},
{0x3815, 0x11},
{0x3820, 0x00},
{0x3821, 0x04},
{0x3822, 0x00},
{0x3823, 0x04},
{0x3828, 0x0f},
{0x382a, 0x80},
{0x382e, 0x41},
{0x3837, 0x08},
{0x383a, 0x81},
{0x383b, 0x81},
{0x383c, 0x11},
{0x383d, 0x11},
{0x383e, 0x00},
{0x383f, 0x38},
{0x3840, 0x00},
{0x3847, 0x00},
{0x384a, 0x00},
{0x384c, 0x02},
{0x384d, 0x80},
{0x3856, 0x50},
{0x3857, 0x30},
{0x3858, 0x80},
{0x3859, 0x40},
{0x3860, 0x00},
{0x3888, 0x00},
{0x3889, 0x00},
{0x388a, 0x00},
{0x388b, 0x00},
{0x388c, 0x00},
{0x388d, 0x00},
{0x388e, 0x00},
{0x388f, 0x00},
{0x3894, 0x00},
{0x3895, 0x00},
{0x3c84, 0x00},
{0x3d85, 0x8b},
{0x3daa, 0x80},
{0x3dab, 0x14},
{0x3dac, 0x80},
{0x3dad, 0xc8},
{0x3dae, 0x81},
{0x3daf, 0x7b},
{0x3f00, 0x10},
{0x3f01, 0x11},
{0x3f06, 0x0d},
{0x3f07, 0x0b},
{0x3f08, 0x0d},
{0x3f09, 0x0b},
{0x3f0a, 0x01},
{0x3f0b, 0x11},
{0x3f0c, 0x33},
{0x4001, 0x07},
{0x4007, 0x20},
{0x4008, 0x00},
{0x4009, 0x05},
{0x400a, 0x00},
{0x400b, 0x08},
{0x400c, 0x00},
{0x400d, 0x08},
{0x400e, 0x14},
{0x4010, 0xf4},
{0x4011, 0x03},
{0x4012, 0x55},
{0x4015, 0x00},
{0x4016, 0x2d},
{0x4017, 0x00},
{0x4018, 0x0f},
{0x401b, 0x08},
{0x401c, 0x00},
{0x401d, 0x10},
{0x401e, 0x02},
{0x401f, 0x00},
{0x4050, 0x06},
{0x4051, 0xff},
{0x4052, 0xff},
{0x4053, 0xff},
{0x4054, 0xff},
{0x4055, 0xff},
{0x4056, 0xff},
{0x4057, 0x7f},
{0x4058, 0x00},
{0x4059, 0x00},
{0x405a, 0x00},
{0x405b, 0x00},
{0x405c, 0x07},
{0x405d, 0xff},
{0x405e, 0x07},
{0x405f, 0xff},
{0x4080, 0x78},
{0x4081, 0x78},
{0x4082, 0x78},
{0x4083, 0x78},
{0x4019, 0x00},
{0x401a, 0x40},
{0x4020, 0x04},
{0x4021, 0x00},
{0x4022, 0x04},
{0x4023, 0x00},
{0x4024, 0x04},
{0x4025, 0x00},
{0x4026, 0x04},
{0x4027, 0x00},
{0x4030, 0x00},
{0x4031, 0x00},
{0x4032, 0x00},
{0x4033, 0x00},
{0x4034, 0x00},
{0x4035, 0x00},
{0x4036, 0x00},
{0x4037, 0x00},
{0x4040, 0x00},
{0x4041, 0x80},
{0x4042, 0x00},
{0x4043, 0x80},
{0x4044, 0x00},
{0x4045, 0x80},
{0x4046, 0x00},
{0x4047, 0x80},
{0x4060, 0x00},
{0x4061, 0x00},
{0x4062, 0x00},
{0x4063, 0x00},
{0x4064, 0x00},
{0x4065, 0x00},
{0x4066, 0x00},
{0x4067, 0x00},
{0x4068, 0x00},
{0x4069, 0x00},
{0x406a, 0x00},
{0x406b, 0x00},
{0x406c, 0x00},
{0x406d, 0x00},
{0x406e, 0x00},
{0x406f, 0x00},
{0x4070, 0x00},
{0x4071, 0x00},
{0x4072, 0x00},
{0x4073, 0x00},
{0x4074, 0x00},
{0x4075, 0x00},
{0x4076, 0x00},
{0x4077, 0x00},
{0x4078, 0x00},
{0x4079, 0x00},
{0x407a, 0x00},
{0x407b, 0x00},
{0x407c, 0x00},
{0x407d, 0x00},
{0x407e, 0x00},
{0x407f, 0x00},
{0x40e0, 0x00},
{0x40e1, 0x00},
{0x40e2, 0x00},
{0x40e3, 0x00},
{0x40e4, 0x00},
{0x40e5, 0x00},
{0x40e6, 0x00},
{0x40e7, 0x00},
{0x40e8, 0x00},
{0x40e9, 0x80},
{0x40ea, 0x00},
{0x40eb, 0x80},
{0x40ec, 0x00},
{0x40ed, 0x80},
{0x40ee, 0x00},
{0x40ef, 0x80},
{0x40f0, 0x02},
{0x40f1, 0x04},
{0x4300, 0x00},
{0x4301, 0x00},
{0x4302, 0x00},
{0x4303, 0x00},
{0x4304, 0x00},
{0x4305, 0x00},
{0x4306, 0x00},
{0x4307, 0x00},
{0x4308, 0x00},
{0x4309, 0x00},
{0x430a, 0x00},
{0x430b, 0xff},
{0x430c, 0xff},
{0x430d, 0x00},
{0x430e, 0x00},
{0x4315, 0x00},
{0x4316, 0x00},
{0x4317, 0x00},
{0x4318, 0x00},
{0x4319, 0x00},
{0x431a, 0x00},
{0x431b, 0x00},
{0x431c, 0x00},
{0x4500, 0x07},
{0x4501, 0x00},
{0x4502, 0x00},
{0x4503, 0x0f},
{0x4504, 0x80},
{0x4506, 0x01},
{0x4509, 0x05},
{0x450c, 0x00},
{0x450d, 0x20},
{0x450e, 0x00},
{0x450f, 0x00},
{0x4510, 0x00},
{0x4523, 0x00},
{0x4526, 0x00},
{0x4542, 0x00},
{0x4543, 0x00},
{0x4544, 0x00},
{0x4545, 0x00},
{0x4546, 0x00},
{0x4547, 0x10},
{0x4602, 0x00},
{0x4603, 0x15},
{0x460b, 0x07},
{0x4680, 0x11},
{0x4686, 0x00},
{0x4687, 0x00},
{0x4700, 0x00},
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{0x5f19, 0x75},
{0x5f1a, 0x75},
{0x5f1b, 0x75},
{0x5f1c, 0x75},
{0x5f1d, 0x75},
{0x5f1e, 0x75},
{0x5f1f, 0x75},
};
static const struct ov08x40_reg mode_1928x1208_regs[] = {
{0x5000, 0x55},
{0x5001, 0x00},
{0x5008, 0xb0},
{0x50c1, 0x00},
{0x53c1, 0x00},
{0x5f40, 0x00},
{0x5f41, 0x40},
{0x0300, 0x3a},
{0x0301, 0xc8},
{0x0302, 0x31},
{0x0303, 0x03},
{0x0304, 0x01},
{0x0305, 0xa1},
{0x0306, 0x04},
{0x0307, 0x01},
{0x0308, 0x03},
{0x0309, 0x03},
{0x0310, 0x0a},
{0x0311, 0x02},
{0x0312, 0x01},
{0x0313, 0x08},
{0x0314, 0x66},
{0x0315, 0x00},
{0x0316, 0x34},
{0x0320, 0x02},
{0x0321, 0x03},
{0x0323, 0x05},
{0x0324, 0x01},
{0x0325, 0xb8},
{0x0326, 0x4a},
{0x0327, 0x04},
{0x0329, 0x00},
{0x032a, 0x05},
{0x032b, 0x00},
{0x032c, 0x00},
{0x032d, 0x00},
{0x032e, 0x02},
{0x032f, 0xa0},
{0x0350, 0x00},
{0x0360, 0x01},
{0x1216, 0x60},
{0x1217, 0x5b},
{0x1218, 0x00},
{0x1220, 0x24},
{0x198a, 0x00},
{0x198b, 0x01},
{0x198e, 0x00},
{0x198f, 0x01},
{0x3009, 0x04},
{0x3012, 0x41},
{0x3015, 0x00},
{0x3016, 0xb0},
{0x3017, 0xf0},
{0x3018, 0xf0},
{0x3019, 0xd2},
{0x301a, 0xb0},
{0x301c, 0x81},
{0x301d, 0x02},
{0x301e, 0x80},
{0x3022, 0xf0},
{0x3025, 0x89},
{0x3030, 0x03},
{0x3044, 0xc2},
{0x3050, 0x35},
{0x3051, 0x60},
{0x3052, 0x25},
{0x3053, 0x00},
{0x3054, 0x00},
{0x3055, 0x02},
{0x3056, 0x80},
{0x3057, 0x80},
{0x3058, 0x80},
{0x3059, 0x00},
{0x3107, 0x86},
{0x3400, 0x1c},
{0x3401, 0x80},
{0x3402, 0x8c},
{0x3419, 0x08},
{0x341a, 0xaf},
{0x341b, 0x30},
{0x3420, 0x00},
{0x3421, 0x00},
{0x3422, 0x00},
{0x3423, 0x00},
{0x3424, 0x00},
{0x3425, 0x00},
{0x3426, 0x00},
{0x3427, 0x00},
{0x3428, 0x0f},
{0x3429, 0x00},
{0x342a, 0x00},
{0x342b, 0x00},
{0x342c, 0x00},
{0x342d, 0x00},
{0x342e, 0x00},
{0x342f, 0x11},
{0x3430, 0x11},
{0x3431, 0x10},
{0x3432, 0x00},
{0x3433, 0x00},
{0x3434, 0x00},
{0x3435, 0x00},
{0x3436, 0x00},
{0x3437, 0x00},
{0x3442, 0x02},
{0x3443, 0x02},
{0x3444, 0x07},
{0x3450, 0x00},
{0x3451, 0x00},
{0x3452, 0x18},
{0x3453, 0x18},
{0x3454, 0x00},
{0x3455, 0x80},
{0x3456, 0x08},
{0x3500, 0x00},
{0x3501, 0x02},
{0x3502, 0x00},
{0x3504, 0x4c},
{0x3506, 0x30},
{0x3507, 0x00},
{0x3508, 0x01},
{0x3509, 0x00},
{0x350a, 0x01},
{0x350b, 0x00},
{0x350c, 0x00},
{0x3540, 0x00},
{0x3541, 0x01},
{0x3542, 0x00},
{0x3544, 0x4c},
{0x3546, 0x30},
{0x3547, 0x00},
{0x3548, 0x01},
{0x3549, 0x00},
{0x354a, 0x01},
{0x354b, 0x00},
{0x354c, 0x00},
{0x3688, 0x02},
{0x368a, 0x2e},
{0x368e, 0x71},
{0x3696, 0xd1},
{0x3699, 0x00},
{0x369a, 0x00},
{0x36a4, 0x00},
{0x36a6, 0x00},
{0x3711, 0x00},
{0x3712, 0x50},
{0x3713, 0x00},
{0x3714, 0x21},
{0x3716, 0x00},
{0x3718, 0x07},
{0x371a, 0x1c},
{0x371b, 0x00},
{0x3720, 0x08},
{0x3725, 0x32},
{0x3727, 0x05},
{0x3760, 0x02},
{0x3761, 0x28},
{0x3762, 0x02},
{0x3763, 0x02},
{0x3764, 0x02},
{0x3765, 0x2c},
{0x3766, 0x04},
{0x3767, 0x2c},
{0x3768, 0x02},
{0x3769, 0x00},
{0x376b, 0x20},
{0x376e, 0x07},
{0x37b0, 0x01},
{0x37b1, 0x0f},
{0x37b2, 0x01},
{0x37b3, 0xd6},
{0x37b4, 0x01},
{0x37b5, 0x48},
{0x37b6, 0x02},
{0x37b7, 0x40},
{0x3800, 0x00},
{0x3801, 0x00},
{0x3802, 0x00},
{0x3803, 0x00},
{0x3804, 0x0f},
{0x3805, 0x1f},
{0x3806, 0x09},
{0x3807, 0x7f},
{0x3808, 0x07},
{0x3809, 0x88},
{0x380a, 0x04},
{0x380b, 0xb8},
{0x380c, 0x02},
{0x380d, 0xd0},
{0x380e, 0x11},
{0x380f, 0x5c},
{0x3810, 0x00},
{0x3811, 0x04},
{0x3812, 0x00},
{0x3813, 0x03},
{0x3814, 0x11},
{0x3815, 0x11},
{0x3820, 0x02},
{0x3821, 0x14},
{0x3822, 0x00},
{0x3823, 0x04},
{0x3828, 0x0f},
{0x382a, 0x80},
{0x382e, 0x41},
{0x3837, 0x08},
{0x383a, 0x81},
{0x383b, 0x81},
{0x383c, 0x11},
{0x383d, 0x11},
{0x383e, 0x00},
{0x383f, 0x38},
{0x3840, 0x00},
{0x3847, 0x00},
{0x384a, 0x00},
{0x384c, 0x02},
{0x384d, 0xd0},
{0x3856, 0x50},
{0x3857, 0x30},
{0x3858, 0x80},
{0x3859, 0x40},
{0x3860, 0x00},
{0x3888, 0x00},
{0x3889, 0x00},
{0x388a, 0x00},
{0x388b, 0x00},
{0x388c, 0x00},
{0x388d, 0x00},
{0x388e, 0x00},
{0x388f, 0x00},
{0x3894, 0x00},
{0x3895, 0x00},
{0x3c84, 0x00},
{0x3d85, 0x8b},
{0x3daa, 0x80},
{0x3dab, 0x14},
{0x3dac, 0x80},
{0x3dad, 0xc8},
{0x3dae, 0x81},
{0x3daf, 0x7b},
{0x3f00, 0x10},
{0x3f01, 0x11},
{0x3f06, 0x0d},
{0x3f07, 0x0b},
{0x3f08, 0x0d},
{0x3f09, 0x0b},
{0x3f0a, 0x01},
{0x3f0b, 0x11},
{0x3f0c, 0x33},
{0x4001, 0x07},
{0x4007, 0x20},
{0x4008, 0x00},
{0x4009, 0x05},
{0x400a, 0x00},
{0x400b, 0x04},
{0x400c, 0x00},
{0x400d, 0x04},
{0x400e, 0x14},
{0x4010, 0xf4},
{0x4011, 0x03},
{0x4012, 0x55},
{0x4015, 0x00},
{0x4016, 0x27},
{0x4017, 0x00},
{0x4018, 0x0f},
{0x401b, 0x08},
{0x401c, 0x00},
{0x401d, 0x10},
{0x401e, 0x02},
{0x401f, 0x00},
{0x4050, 0x06},
{0x4051, 0xff},
{0x4052, 0xff},
{0x4053, 0xff},
{0x4054, 0xff},
{0x4055, 0xff},
{0x4056, 0xff},
{0x4057, 0x7f},
{0x4058, 0x00},
{0x4059, 0x00},
{0x405a, 0x00},
{0x405b, 0x00},
{0x405c, 0x07},
{0x405d, 0xff},
{0x405e, 0x07},
{0x405f, 0xff},
{0x4080, 0x78},
{0x4081, 0x78},
{0x4082, 0x78},
{0x4083, 0x78},
{0x4019, 0x00},
{0x401a, 0x40},
{0x4020, 0x04},
{0x4021, 0x00},
{0x4022, 0x04},
{0x4023, 0x00},
{0x4024, 0x04},
{0x4025, 0x00},
{0x4026, 0x04},
{0x4027, 0x00},
{0x4030, 0x00},
{0x4031, 0x00},
{0x4032, 0x00},
{0x4033, 0x00},
{0x4034, 0x00},
{0x4035, 0x00},
{0x4036, 0x00},
{0x4037, 0x00},
{0x4040, 0x00},
{0x4041, 0x80},
{0x4042, 0x00},
{0x4043, 0x80},
{0x4044, 0x00},
{0x4045, 0x80},
{0x4046, 0x00},
{0x4047, 0x80},
{0x4060, 0x00},
{0x4061, 0x00},
{0x4062, 0x00},
{0x4063, 0x00},
{0x4064, 0x00},
{0x4065, 0x00},
{0x4066, 0x00},
{0x4067, 0x00},
{0x4068, 0x00},
{0x4069, 0x00},
{0x406a, 0x00},
{0x406b, 0x00},
{0x406c, 0x00},
{0x406d, 0x00},
{0x406e, 0x00},
{0x406f, 0x00},
{0x4070, 0x00},
{0x4071, 0x00},
{0x4072, 0x00},
{0x4073, 0x00},
{0x4074, 0x00},
{0x4075, 0x00},
{0x4076, 0x00},
{0x4077, 0x00},
{0x4078, 0x00},
{0x4079, 0x00},
{0x407a, 0x00},
{0x407b, 0x00},
{0x407c, 0x00},
{0x407d, 0x00},
{0x407e, 0x00},
{0x407f, 0x00},
{0x40e0, 0x00},
{0x40e1, 0x00},
{0x40e2, 0x00},
{0x40e3, 0x00},
{0x40e4, 0x00},
{0x40e5, 0x00},
{0x40e6, 0x00},
{0x40e7, 0x00},
{0x40e8, 0x00},
{0x40e9, 0x80},
{0x40ea, 0x00},
{0x40eb, 0x80},
{0x40ec, 0x00},
{0x40ed, 0x80},
{0x40ee, 0x00},
{0x40ef, 0x80},
{0x40f0, 0x02},
{0x40f1, 0x04},
{0x4300, 0x00},
{0x4301, 0x00},
{0x4302, 0x00},
{0x4303, 0x00},
{0x4304, 0x00},
{0x4305, 0x00},
{0x4306, 0x00},
{0x4307, 0x00},
{0x4308, 0x00},
{0x4309, 0x00},
{0x430a, 0x00},
{0x430b, 0xff},
{0x430c, 0xff},
{0x430d, 0x00},
{0x430e, 0x00},
{0x4315, 0x00},
{0x4316, 0x00},
{0x4317, 0x00},
{0x4318, 0x00},
{0x4319, 0x00},
{0x431a, 0x00},
{0x431b, 0x00},
{0x431c, 0x00},
{0x4500, 0x07},
{0x4501, 0x10},
{0x4502, 0x00},
{0x4503, 0x0f},
{0x4504, 0x80},
{0x4506, 0x01},
{0x4509, 0x05},
{0x450c, 0x00},
{0x450d, 0x20},
{0x450e, 0x00},
{0x450f, 0x00},
{0x4510, 0x00},
{0x4523, 0x00},
{0x4526, 0x00},
{0x4542, 0x00},
{0x4543, 0x00},
{0x4544, 0x00},
{0x4545, 0x00},
{0x4546, 0x00},
{0x4547, 0x10},
{0x4602, 0x00},
{0x4603, 0x15},
{0x460b, 0x07},
{0x4680, 0x11},
{0x4686, 0x00},
{0x4687, 0x00},
{0x4700, 0x00},
{0x4800, 0x64},
{0x4806, 0x40},
{0x480b, 0x10},
{0x480c, 0x80},
{0x480f, 0x32},
{0x4813, 0xe4},
{0x4837, 0x14},
{0x4850, 0x42},
{0x4884, 0x04},
{0x4c00, 0xf8},
{0x4c01, 0x44},
{0x4c03, 0x00},
{0x4d00, 0x00},
{0x4d01, 0x16},
{0x4d04, 0x10},
{0x4d05, 0x00},
{0x4d06, 0x0c},
{0x4d07, 0x00},
{0x3d84, 0x04},
{0x3680, 0xa4},
{0x3682, 0x80},
{0x3601, 0x40},
{0x3602, 0x90},
{0x3608, 0x0a},
{0x3938, 0x09},
{0x3a74, 0x84},
{0x3a99, 0x84},
{0x3ab9, 0xa6},
{0x3aba, 0xba},
{0x3b12, 0x84},
{0x3b14, 0xbb},
{0x3b15, 0xbf},
{0x3a29, 0x26},
{0x3a1f, 0x8a},
{0x3a22, 0x91},
{0x3a25, 0x96},
{0x3a28, 0xb4},
{0x3a2b, 0xba},
{0x3a2e, 0xbf},
{0x3a31, 0xc1},
{0x3a20, 0x05},
{0x3939, 0x6b},
{0x3902, 0x10},
{0x3903, 0x10},
{0x3904, 0x10},
{0x3905, 0x10},
{0x3906, 0x01},
{0x3907, 0x0b},
{0x3908, 0x10},
{0x3909, 0x13},
{0x360f, 0x99},
{0x390b, 0x11},
{0x390c, 0x21},
{0x390d, 0x32},
{0x390e, 0x76},
{0x3911, 0x90},
{0x3913, 0x90},
{0x3b3f, 0x9d},
{0x3b45, 0x9d},
{0x3b1b, 0xc9},
{0x3b21, 0xc9},
{0x3a1a, 0x1c},
{0x3a23, 0x15},
{0x3a26, 0x17},
{0x3a2c, 0x50},
{0x3a2f, 0x18},
{0x3a32, 0x4f},
{0x3ace, 0x01},
{0x3ad2, 0x01},
{0x3ad6, 0x01},
{0x3ada, 0x01},
{0x3ade, 0x01},
{0x3ae2, 0x01},
{0x3aee, 0x01},
{0x3af2, 0x01},
{0x3af6, 0x01},
{0x3afa, 0x01},
{0x3afe, 0x01},
{0x3b02, 0x01},
{0x3b06, 0x01},
{0x3b0a, 0x01},
{0x3b0b, 0x00},
{0x3b0e, 0x01},
{0x3b0f, 0x00},
{0x392c, 0x02},
{0x392d, 0x01},
{0x392e, 0x04},
{0x392f, 0x03},
{0x3930, 0x09},
{0x3931, 0x07},
{0x3932, 0x10},
{0x3933, 0x0d},
{0x3609, 0x08},
{0x3921, 0x0f},
{0x3928, 0x15},
{0x3929, 0x2a},
{0x392a, 0x52},
{0x392b, 0xa3},
{0x340b, 0x1b},
{0x3426, 0x10},
{0x3407, 0x01},
{0x3404, 0x01},
{0x3500, 0x00},
{0x3501, 0x08},
{0x3502, 0x10},
{0x3508, 0x04},
{0x3509, 0x00},
};
static const char * const ov08x40_test_pattern_menu[] = {
"Disabled",
"Vertical Color Bar Type 1",
"Vertical Color Bar Type 2",
"Vertical Color Bar Type 3",
"Vertical Color Bar Type 4"
};
/* Configurations for supported link frequencies */
#define OV08X40_LINK_FREQ_400MHZ 400000000ULL
#define OV08X40_EXT_CLK 19200000
#define OV08X40_DATA_LANES 4
/*
* pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample
* data rate => double data rate; number of lanes => 4; bits per pixel => 10
*/
static u64 link_freq_to_pixel_rate(u64 f)
{
f *= 2 * OV08X40_DATA_LANES;
do_div(f, 10);
return f;
}
/* Menu items for LINK_FREQ V4L2 control */
static const s64 link_freq_menu_items[] = {
OV08X40_LINK_FREQ_400MHZ,
};
/* Link frequency configs */
static const struct ov08x40_link_freq_config link_freq_configs[] = {
[OV08X40_LINK_FREQ_400MHZ_INDEX] = {
.reg_list = {
.num_of_regs = ARRAY_SIZE(mipi_data_rate_800mbps),
.regs = mipi_data_rate_800mbps,
}
},
};
/* Mode configs */
static const struct ov08x40_mode supported_modes[] = {
{
.width = 3856,
.height = 2416,
.vts_def = OV08X40_VTS_30FPS,
.vts_min = OV08X40_VTS_30FPS,
.lanes = 4,
.reg_list = {
.num_of_regs = ARRAY_SIZE(mode_3856x2416_regs),
.regs = mode_3856x2416_regs,
},
.link_freq_index = OV08X40_LINK_FREQ_400MHZ_INDEX,
},
{
.width = 1928,
.height = 1208,
.vts_def = OV08X40_VTS_BIN_30FPS,
.vts_min = OV08X40_VTS_BIN_30FPS,
.lanes = 4,
.reg_list = {
.num_of_regs = ARRAY_SIZE(mode_1928x1208_regs),
.regs = mode_1928x1208_regs,
},
.link_freq_index = OV08X40_LINK_FREQ_400MHZ_INDEX,
},
};
struct ov08x40 {
struct v4l2_subdev sd;
struct media_pad pad;
struct v4l2_ctrl_handler ctrl_handler;
/* V4L2 Controls */
struct v4l2_ctrl *link_freq;
struct v4l2_ctrl *pixel_rate;
struct v4l2_ctrl *vblank;
struct v4l2_ctrl *hblank;
struct v4l2_ctrl *exposure;
/* Current mode */
const struct ov08x40_mode *cur_mode;
/* Mutex for serialized access */
struct mutex mutex;
/* Streaming on/off */
bool streaming;
};
#define to_ov08x40(_sd) container_of(_sd, struct ov08x40, sd)
/* Read registers up to 4 at a time */
static int ov08x40_read_reg(struct ov08x40 *ov08x,
u16 reg, u32 len, u32 *val)
{
struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
struct i2c_msg msgs[2];
u8 *data_be_p;
int ret;
__be32 data_be = 0;
__be16 reg_addr_be = cpu_to_be16(reg);
if (len > 4)
return -EINVAL;
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 *)&reg_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;
}
/* Write registers up to 4 at a time */
static int ov08x40_write_reg(struct ov08x40 *ov08x,
u16 reg, u32 len, u32 __val)
{
struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
int buf_i, val_i;
u8 buf[6], *val_p;
__be32 val;
if (len > 4)
return -EINVAL;
buf[0] = reg >> 8;
buf[1] = reg & 0xff;
val = cpu_to_be32(__val);
val_p = (u8 *)&val;
buf_i = 2;
val_i = 4 - len;
while (val_i < 4)
buf[buf_i++] = val_p[val_i++];
if (i2c_master_send(client, buf, len + 2) != len + 2)
return -EIO;
return 0;
}
/* Write a list of registers */
static int ov08x40_write_regs(struct ov08x40 *ov08x,
const struct ov08x40_reg *regs, u32 len)
{
struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
int ret;
u32 i;
for (i = 0; i < len; i++) {
ret = ov08x40_write_reg(ov08x, regs[i].address, 1,
regs[i].val);
if (ret) {
dev_err_ratelimited(&client->dev,
"Failed to write reg 0x%4.4x. error = %d\n",
regs[i].address, ret);
return ret;
}
}
return 0;
}
static int ov08x40_write_reg_list(struct ov08x40 *ov08x,
const struct ov08x40_reg_list *r_list)
{
return ov08x40_write_regs(ov08x, r_list->regs, r_list->num_of_regs);
}
static int ov08x40_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
const struct ov08x40_mode *default_mode = &supported_modes[0];
struct ov08x40 *ov08x = to_ov08x40(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
mutex_lock(&ov08x->mutex);
/* Initialize try_fmt */
try_fmt->width = default_mode->width;
try_fmt->height = default_mode->height;
try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
try_fmt->field = V4L2_FIELD_NONE;
/* No crop or compose */
mutex_unlock(&ov08x->mutex);
return 0;
}
static int ov08x40_update_digital_gain(struct ov08x40 *ov08x, u32 d_gain)
{
int ret;
u32 val;
/*
* 0x350C[1:0], 0x350B[7:0], 0x350A[4:0]
*/
val = (d_gain & OV08X40_DGTL_GAIN_L_MASK) << OV08X40_DGTL_GAIN_L_SHIFT;
ret = ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_L,
OV08X40_REG_VALUE_08BIT, val);
if (ret)
return ret;
val = (d_gain >> OV08X40_DGTL_GAIN_M_SHIFT) & OV08X40_DGTL_GAIN_M_MASK;
ret = ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_M,
OV08X40_REG_VALUE_08BIT, val);
if (ret)
return ret;
val = (d_gain >> OV08X40_DGTL_GAIN_H_SHIFT) & OV08X40_DGTL_GAIN_H_MASK;
return ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_H,
OV08X40_REG_VALUE_08BIT, val);
}
static int ov08x40_enable_test_pattern(struct ov08x40 *ov08x, u32 pattern)
{
int ret;
u32 val;
ret = ov08x40_read_reg(ov08x, OV08X40_REG_TEST_PATTERN,
OV08X40_REG_VALUE_08BIT, &val);
if (ret)
return ret;
if (pattern) {
ret = ov08x40_read_reg(ov08x, OV08X40_REG_ISP,
OV08X40_REG_VALUE_08BIT, &val);
if (ret)
return ret;
ret = ov08x40_write_reg(ov08x, OV08X40_REG_ISP,
OV08X40_REG_VALUE_08BIT,
val | BIT(1));
if (ret)
return ret;
ret = ov08x40_read_reg(ov08x, OV08X40_REG_SHORT_TEST_PATTERN,
OV08X40_REG_VALUE_08BIT, &val);
if (ret)
return ret;
ret = ov08x40_write_reg(ov08x, OV08X40_REG_SHORT_TEST_PATTERN,
OV08X40_REG_VALUE_08BIT,
val | BIT(0));
if (ret)
return ret;
ret = ov08x40_read_reg(ov08x, OV08X40_REG_TEST_PATTERN,
OV08X40_REG_VALUE_08BIT, &val);
if (ret)
return ret;
val &= OV08X40_TEST_PATTERN_MASK;
val |= ((pattern - 1) << OV08X40_TEST_PATTERN_BAR_SHIFT) |
OV08X40_TEST_PATTERN_ENABLE;
} else {
val &= ~OV08X40_TEST_PATTERN_ENABLE;
}
return ov08x40_write_reg(ov08x, OV08X40_REG_TEST_PATTERN,
OV08X40_REG_VALUE_08BIT, val);
}
static int ov08x40_set_ctrl_hflip(struct ov08x40 *ov08x, u32 ctrl_val)
{
int ret;
u32 val;
ret = ov08x40_read_reg(ov08x, OV08X40_REG_MIRROR,
OV08X40_REG_VALUE_08BIT, &val);
if (ret)
return ret;
return ov08x40_write_reg(ov08x, OV08X40_REG_MIRROR,
OV08X40_REG_VALUE_08BIT,
ctrl_val ? val | BIT(2) : val & ~BIT(2));
}
static int ov08x40_set_ctrl_vflip(struct ov08x40 *ov08x, u32 ctrl_val)
{
int ret;
u32 val;
ret = ov08x40_read_reg(ov08x, OV08X40_REG_VFLIP,
OV08X40_REG_VALUE_08BIT, &val);
if (ret)
return ret;
return ov08x40_write_reg(ov08x, OV08X40_REG_VFLIP,
OV08X40_REG_VALUE_08BIT,
ctrl_val ? val | BIT(2) : val & ~BIT(2));
}
static int ov08x40_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct ov08x40 *ov08x = container_of(ctrl->handler,
struct ov08x40, ctrl_handler);
struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
s64 max;
int ret = 0;
/* Propagate change of current control to all related controls */
switch (ctrl->id) {
case V4L2_CID_VBLANK:
/* Update max exposure while meeting expected vblanking */
max = ov08x->cur_mode->height + ctrl->val - OV08X40_EXPOSURE_MAX_MARGIN;
__v4l2_ctrl_modify_range(ov08x->exposure,
ov08x->exposure->minimum,
max, ov08x->exposure->step, max);
break;
}
/*
* Applying V4L2 control value only happens
* when power is up for streaming
*/
if (!pm_runtime_get_if_in_use(&client->dev))
return 0;
switch (ctrl->id) {
case V4L2_CID_ANALOGUE_GAIN:
ret = ov08x40_write_reg(ov08x, OV08X40_REG_ANALOG_GAIN,
OV08X40_REG_VALUE_16BIT,
ctrl->val << 1);
break;
case V4L2_CID_DIGITAL_GAIN:
ret = ov08x40_update_digital_gain(ov08x, ctrl->val);
break;
case V4L2_CID_EXPOSURE:
ret = ov08x40_write_reg(ov08x, OV08X40_REG_EXPOSURE,
OV08X40_REG_VALUE_24BIT,
ctrl->val);
break;
case V4L2_CID_VBLANK:
ret = ov08x40_write_reg(ov08x, OV08X40_REG_VTS,
OV08X40_REG_VALUE_16BIT,
ov08x->cur_mode->height
+ ctrl->val);
break;
case V4L2_CID_TEST_PATTERN:
ret = ov08x40_enable_test_pattern(ov08x, ctrl->val);
break;
case V4L2_CID_HFLIP:
ov08x40_set_ctrl_hflip(ov08x, ctrl->val);
break;
case V4L2_CID_VFLIP:
ov08x40_set_ctrl_vflip(ov08x, ctrl->val);
break;
default:
dev_info(&client->dev,
"ctrl(id:0x%x,val:0x%x) is not handled\n",
ctrl->id, ctrl->val);
break;
}
pm_runtime_put(&client->dev);
return ret;
}
static const struct v4l2_ctrl_ops ov08x40_ctrl_ops = {
.s_ctrl = ov08x40_set_ctrl,
};
static int ov08x40_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
/* Only one bayer order(GRBG) is supported */
if (code->index > 0)
return -EINVAL;
code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
return 0;
}
static int ov08x40_enum_frame_size(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
if (fse->index >= ARRAY_SIZE(supported_modes))
return -EINVAL;
if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
return -EINVAL;
fse->min_width = supported_modes[fse->index].width;
fse->max_width = fse->min_width;
fse->min_height = supported_modes[fse->index].height;
fse->max_height = fse->min_height;
return 0;
}
static void ov08x40_update_pad_format(const struct ov08x40_mode *mode,
struct v4l2_subdev_format *fmt)
{
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
fmt->format.field = V4L2_FIELD_NONE;
}
static int ov08x40_do_get_pad_format(struct ov08x40 *ov08x,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct v4l2_mbus_framefmt *framefmt;
struct v4l2_subdev *sd = &ov08x->sd;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
fmt->format = *framefmt;
} else {
ov08x40_update_pad_format(ov08x->cur_mode, fmt);
}
return 0;
}
static int ov08x40_get_pad_format(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct ov08x40 *ov08x = to_ov08x40(sd);
int ret;
mutex_lock(&ov08x->mutex);
ret = ov08x40_do_get_pad_format(ov08x, sd_state, fmt);
mutex_unlock(&ov08x->mutex);
return ret;
}
static int
ov08x40_set_pad_format(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct ov08x40 *ov08x = to_ov08x40(sd);
const struct ov08x40_mode *mode;
struct v4l2_mbus_framefmt *framefmt;
s32 vblank_def;
s32 vblank_min;
s64 h_blank;
s64 pixel_rate;
s64 link_freq;
mutex_lock(&ov08x->mutex);
/* Only one raw bayer(GRBG) order is supported */
if (fmt->format.code != MEDIA_BUS_FMT_SGRBG10_1X10)
fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
mode = v4l2_find_nearest_size(supported_modes,
ARRAY_SIZE(supported_modes),
width, height,
fmt->format.width, fmt->format.height);
ov08x40_update_pad_format(mode, fmt);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
*framefmt = fmt->format;
} else {
ov08x->cur_mode = mode;
__v4l2_ctrl_s_ctrl(ov08x->link_freq, mode->link_freq_index);
link_freq = link_freq_menu_items[mode->link_freq_index];
pixel_rate = link_freq_to_pixel_rate(link_freq);
__v4l2_ctrl_s_ctrl_int64(ov08x->pixel_rate, pixel_rate);
/* Update limits and set FPS to default */
vblank_def = ov08x->cur_mode->vts_def -
ov08x->cur_mode->height;
vblank_min = ov08x->cur_mode->vts_min -
ov08x->cur_mode->height;
__v4l2_ctrl_modify_range(ov08x->vblank, vblank_min,
OV08X40_VTS_MAX
- ov08x->cur_mode->height,
1,
vblank_def);
__v4l2_ctrl_s_ctrl(ov08x->vblank, vblank_def);
h_blank =
link_freq_configs[mode->link_freq_index].pixels_per_line
- ov08x->cur_mode->width;
__v4l2_ctrl_modify_range(ov08x->hblank, h_blank,
h_blank, 1, h_blank);
}
mutex_unlock(&ov08x->mutex);
return 0;
}
static int ov08x40_start_streaming(struct ov08x40 *ov08x)
{
struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
const struct ov08x40_reg_list *reg_list;
int ret, link_freq_index;
/* Get out of from software reset */
ret = ov08x40_write_reg(ov08x, OV08X40_REG_SOFTWARE_RST,
OV08X40_REG_VALUE_08BIT, OV08X40_SOFTWARE_RST);
if (ret) {
dev_err(&client->dev, "%s failed to set powerup registers\n",
__func__);
return ret;
}
link_freq_index = ov08x->cur_mode->link_freq_index;
reg_list = &link_freq_configs[link_freq_index].reg_list;
ret = ov08x40_write_reg_list(ov08x, reg_list);
if (ret) {
dev_err(&client->dev, "%s failed to set plls\n", __func__);
return ret;
}
/* Apply default values of current mode */
reg_list = &ov08x->cur_mode->reg_list;
ret = ov08x40_write_reg_list(ov08x, reg_list);
if (ret) {
dev_err(&client->dev, "%s failed to set mode\n", __func__);
return ret;
}
/* Apply customized values from user */
ret = __v4l2_ctrl_handler_setup(ov08x->sd.ctrl_handler);
if (ret)
return ret;
return ov08x40_write_reg(ov08x, OV08X40_REG_MODE_SELECT,
OV08X40_REG_VALUE_08BIT,
OV08X40_MODE_STREAMING);
}
/* Stop streaming */
static int ov08x40_stop_streaming(struct ov08x40 *ov08x)
{
return ov08x40_write_reg(ov08x, OV08X40_REG_MODE_SELECT,
OV08X40_REG_VALUE_08BIT, OV08X40_MODE_STANDBY);
}
static int ov08x40_set_stream(struct v4l2_subdev *sd, int enable)
{
struct ov08x40 *ov08x = to_ov08x40(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
int ret = 0;
mutex_lock(&ov08x->mutex);
if (ov08x->streaming == enable) {
mutex_unlock(&ov08x->mutex);
return 0;
}
if (enable) {
ret = pm_runtime_resume_and_get(&client->dev);
if (ret < 0)
goto err_unlock;
/*
* Apply default & customized values
* and then start streaming.
*/
ret = ov08x40_start_streaming(ov08x);
if (ret)
goto err_rpm_put;
} else {
ov08x40_stop_streaming(ov08x);
pm_runtime_put(&client->dev);
}
ov08x->streaming = enable;
mutex_unlock(&ov08x->mutex);
return ret;
err_rpm_put:
pm_runtime_put(&client->dev);
err_unlock:
mutex_unlock(&ov08x->mutex);
return ret;
}
static int __maybe_unused ov08x40_suspend(struct device *dev)
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct ov08x40 *ov08x = to_ov08x40(sd);
if (ov08x->streaming)
ov08x40_stop_streaming(ov08x);
return 0;
}
static int __maybe_unused ov08x40_resume(struct device *dev)
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
struct ov08x40 *ov08x = to_ov08x40(sd);
int ret;
if (ov08x->streaming) {
ret = ov08x40_start_streaming(ov08x);
if (ret)
goto error;
}
return 0;
error:
ov08x40_stop_streaming(ov08x);
ov08x->streaming = false;
return ret;
}
/* Verify chip ID */
static int ov08x40_identify_module(struct ov08x40 *ov08x)
{
struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
int ret;
u32 val;
ret = ov08x40_read_reg(ov08x, OV08X40_REG_CHIP_ID,
OV08X40_REG_VALUE_24BIT, &val);
if (ret)
return ret;
if (val != OV08X40_CHIP_ID) {
dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
OV08X40_CHIP_ID, val);
return -EIO;
}
return 0;
}
static const struct v4l2_subdev_video_ops ov08x40_video_ops = {
.s_stream = ov08x40_set_stream,
};
static const struct v4l2_subdev_pad_ops ov08x40_pad_ops = {
.enum_mbus_code = ov08x40_enum_mbus_code,
.get_fmt = ov08x40_get_pad_format,
.set_fmt = ov08x40_set_pad_format,
.enum_frame_size = ov08x40_enum_frame_size,
};
static const struct v4l2_subdev_ops ov08x40_subdev_ops = {
.video = &ov08x40_video_ops,
.pad = &ov08x40_pad_ops,
};
static const struct media_entity_operations ov08x40_subdev_entity_ops = {
.link_validate = v4l2_subdev_link_validate,
};
static const struct v4l2_subdev_internal_ops ov08x40_internal_ops = {
.open = ov08x40_open,
};
static int ov08x40_init_controls(struct ov08x40 *ov08x)
{
struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd);
struct v4l2_fwnode_device_properties props;
struct v4l2_ctrl_handler *ctrl_hdlr;
s64 exposure_max;
s64 vblank_def;
s64 vblank_min;
s64 hblank;
s64 pixel_rate_min;
s64 pixel_rate_max;
const struct ov08x40_mode *mode;
u32 max;
int ret;
ctrl_hdlr = &ov08x->ctrl_handler;
ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
if (ret)
return ret;
mutex_init(&ov08x->mutex);
ctrl_hdlr->lock = &ov08x->mutex;
max = ARRAY_SIZE(link_freq_menu_items) - 1;
ov08x->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
&ov08x40_ctrl_ops,
V4L2_CID_LINK_FREQ,
max,
0,
link_freq_menu_items);
if (ov08x->link_freq)
ov08x->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]);
pixel_rate_min = 0;
/* By default, PIXEL_RATE is read only */
ov08x->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
V4L2_CID_PIXEL_RATE,
pixel_rate_min, pixel_rate_max,
1, pixel_rate_max);
mode = ov08x->cur_mode;
vblank_def = mode->vts_def - mode->height;
vblank_min = mode->vts_min - mode->height;
ov08x->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
V4L2_CID_VBLANK,
vblank_min,
OV08X40_VTS_MAX - mode->height, 1,
vblank_def);
hblank = link_freq_configs[mode->link_freq_index].pixels_per_line -
mode->width;
ov08x->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
V4L2_CID_HBLANK,
hblank, hblank, 1, hblank);
if (ov08x->hblank)
ov08x->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
exposure_max = mode->vts_def - OV08X40_EXPOSURE_MAX_MARGIN;
ov08x->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
V4L2_CID_EXPOSURE,
OV08X40_EXPOSURE_MIN,
exposure_max, OV08X40_EXPOSURE_STEP,
exposure_max);
v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
OV08X40_ANA_GAIN_MIN, OV08X40_ANA_GAIN_MAX,
OV08X40_ANA_GAIN_STEP, OV08X40_ANA_GAIN_DEFAULT);
/* Digital gain */
v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
OV08X40_DGTL_GAIN_MIN, OV08X40_DGTL_GAIN_MAX,
OV08X40_DGTL_GAIN_STEP, OV08X40_DGTL_GAIN_DEFAULT);
v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov08x40_ctrl_ops,
V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(ov08x40_test_pattern_menu) - 1,
0, 0, ov08x40_test_pattern_menu);
v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
if (ctrl_hdlr->error) {
ret = ctrl_hdlr->error;
dev_err(&client->dev, "%s control init failed (%d)\n",
__func__, ret);
goto error;
}
ret = v4l2_fwnode_device_parse(&client->dev, &props);
if (ret)
goto error;
ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov08x40_ctrl_ops,
&props);
if (ret)
goto error;
ov08x->sd.ctrl_handler = ctrl_hdlr;
return 0;
error:
v4l2_ctrl_handler_free(ctrl_hdlr);
mutex_destroy(&ov08x->mutex);
return ret;
}
static void ov08x40_free_controls(struct ov08x40 *ov08x)
{
v4l2_ctrl_handler_free(ov08x->sd.ctrl_handler);
mutex_destroy(&ov08x->mutex);
}
static int ov08x40_check_hwcfg(struct device *dev)
{
struct v4l2_fwnode_endpoint bus_cfg = {
.bus_type = V4L2_MBUS_CSI2_DPHY
};
struct fwnode_handle *ep;
struct fwnode_handle *fwnode = dev_fwnode(dev);
unsigned int i, j;
int ret;
u32 ext_clk;
if (!fwnode)
return -ENXIO;
ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency",
&ext_clk);
if (ret) {
dev_err(dev, "can't get clock frequency");
return ret;
}
if (ext_clk != OV08X40_EXT_CLK) {
dev_err(dev, "external clock %d is not supported",
ext_clk);
return -EINVAL;
}
ep = fwnode_graph_get_next_endpoint(fwnode, NULL);
if (!ep)
return -ENXIO;
ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg);
fwnode_handle_put(ep);
if (ret)
return ret;
if (bus_cfg.bus.mipi_csi2.num_data_lanes != OV08X40_DATA_LANES) {
dev_err(dev, "number of CSI2 data lanes %d is not supported",
bus_cfg.bus.mipi_csi2.num_data_lanes);
ret = -EINVAL;
goto out_err;
}
if (!bus_cfg.nr_of_link_frequencies) {
dev_err(dev, "no link frequencies defined");
ret = -EINVAL;
goto out_err;
}
for (i = 0; i < ARRAY_SIZE(link_freq_menu_items); i++) {
for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) {
if (link_freq_menu_items[i] ==
bus_cfg.link_frequencies[j])
break;
}
if (j == bus_cfg.nr_of_link_frequencies) {
dev_err(dev, "no link frequency %lld supported",
link_freq_menu_items[i]);
ret = -EINVAL;
goto out_err;
}
}
out_err:
v4l2_fwnode_endpoint_free(&bus_cfg);
return ret;
}
static int ov08x40_probe(struct i2c_client *client)
{
struct ov08x40 *ov08x;
int ret;
/* Check HW config */
ret = ov08x40_check_hwcfg(&client->dev);
if (ret) {
dev_err(&client->dev, "failed to check hwcfg: %d", ret);
return ret;
}
ov08x = devm_kzalloc(&client->dev, sizeof(*ov08x), GFP_KERNEL);
if (!ov08x)
return -ENOMEM;
/* Initialize subdev */
v4l2_i2c_subdev_init(&ov08x->sd, client, &ov08x40_subdev_ops);
/* Check module identity */
ret = ov08x40_identify_module(ov08x);
if (ret) {
dev_err(&client->dev, "failed to find sensor: %d\n", ret);
return ret;
}
/* Set default mode to max resolution */
ov08x->cur_mode = &supported_modes[0];
ret = ov08x40_init_controls(ov08x);
if (ret)
return ret;
/* Initialize subdev */
ov08x->sd.internal_ops = &ov08x40_internal_ops;
ov08x->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
ov08x->sd.entity.ops = &ov08x40_subdev_entity_ops;
ov08x->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
/* Initialize source pad */
ov08x->pad.flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_pads_init(&ov08x->sd.entity, 1, &ov08x->pad);
if (ret) {
dev_err(&client->dev, "%s failed:%d\n", __func__, ret);
goto error_handler_free;
}
ret = v4l2_async_register_subdev_sensor(&ov08x->sd);
if (ret < 0)
goto error_media_entity;
/*
* Device is already turned on by i2c-core with ACPI domain PM.
* Enable runtime PM and turn off the device.
*/
pm_runtime_set_active(&client->dev);
pm_runtime_enable(&client->dev);
pm_runtime_idle(&client->dev);
return 0;
error_media_entity:
media_entity_cleanup(&ov08x->sd.entity);
error_handler_free:
ov08x40_free_controls(ov08x);
return ret;
}
static int ov08x40_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct ov08x40 *ov08x = to_ov08x40(sd);
v4l2_async_unregister_subdev(sd);
media_entity_cleanup(&sd->entity);
ov08x40_free_controls(ov08x);
pm_runtime_disable(&client->dev);
pm_runtime_set_suspended(&client->dev);
return 0;
}
static const struct dev_pm_ops ov08x40_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(ov08x40_suspend, ov08x40_resume)
};
#ifdef CONFIG_ACPI
static const struct acpi_device_id ov08x40_acpi_ids[] = {
{"OVTI08F4"},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(acpi, ov08x40_acpi_ids);
#endif
static struct i2c_driver ov08x40_i2c_driver = {
.driver = {
.name = "ov08x40",
.pm = &ov08x40_pm_ops,
.acpi_match_table = ACPI_PTR(ov08x40_acpi_ids),
},
.probe_new = ov08x40_probe,
.remove = ov08x40_remove,
};
module_i2c_driver(ov08x40_i2c_driver);
MODULE_AUTHOR("Jason Chen <jason.z.chen@intel.com>");
MODULE_AUTHOR("Shawn Tu <shawnx.tu@intel.com>");
MODULE_DESCRIPTION("OmniVision OV08X40 sensor driver");
MODULE_LICENSE("GPL");
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