From 68e0c84550274c83700a4412370c9a5a2c7a54e3 Mon Sep 17 00:00:00 2001 From: Zefa Chen Date: Thu, 19 Nov 2020 20:25:30 +0800 Subject: [PATCH] media: i2c: support os05a20 camera driver Signed-off-by: Zefa Chen Change-Id: Ic2345f685f008c910ff7ad1dcbb5d09d90e70a5e --- drivers/media/i2c/Kconfig | 9 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/os05a20.c | 1980 +++++++++++++++++++++++++++++++++++ 3 files changed, 1990 insertions(+) create mode 100644 drivers/media/i2c/os05a20.c diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index d714d86f4e14..38118fe9fd61 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -777,6 +777,15 @@ config VIDEO_OS04A10 This is a Video4Linux2 sensor driver for the OmniVision OS04A10 camera. +config VIDEO_OS05A20 + tristate "OmniVision OS05A20 sensor support" + depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API + depends on MEDIA_CAMERA_SUPPORT + select V4L2_FWNODE + help + This is a Video4Linux2 sensor driver for the OmniVision + OS05A20 camera. + config VIDEO_OV02B10 tristate "OmniVision OV02B10 sensor support" depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 7b914a6a76db..e4756530f3af 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -72,6 +72,7 @@ obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o obj-$(CONFIG_VIDEO_OS04A10) += os04a10.o +obj-$(CONFIG_VIDEO_OS05A20) += os05a20.o obj-$(CONFIG_VIDEO_OV02B10) += ov02b10.o obj-$(CONFIG_VIDEO_OV02K10) += ov02k10.o obj-$(CONFIG_VIDEO_OV2640) += ov2640.o diff --git a/drivers/media/i2c/os05a20.c b/drivers/media/i2c/os05a20.c new file mode 100644 index 000000000000..b8addf711c15 --- /dev/null +++ b/drivers/media/i2c/os05a20.c @@ -0,0 +1,1980 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * os05a20 driver + * + * Copyright (C) 2020 Fuzhou Rockchip Electronics Co., Ltd. + * + * V0.0X01.0X00 first version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "../platform/rockchip/isp/rkisp_tb_helper.h" + +#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x01) + +#ifndef V4L2_CID_DIGITAL_GAIN +#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN +#endif + +#define MIPI_FREQ_750M 750000000 + +#define PIXEL_RATE_WITH_750M (MIPI_FREQ_750M * 2 / 12 * 4) + +#define OF_CAMERA_HDR_MODE "rockchip,camera-hdr-mode" + +#define OS05A20_XVCLK_FREQ 24000000 + +#define CHIP_ID 0x530541 +#define OS05A20_REG_CHIP_ID 0x300a + +#define OS05A20_REG_CTRL_MODE 0x0100 +#define OS05A20_MODE_SW_STANDBY 0x0 +#define OS05A20_MODE_STREAMING BIT(0) + +#define OS05A20_EXPOSURE_MIN 4 +#define OS05A20_EXPOSURE_STEP 1 +#define OS05A20_VTS_MAX 0xffff + +#define OS05A20_REG_EXP_LONG_H 0x3501 +#define OS05A20_REG_EXP_VS_H 0x3511 + +#define OS05A20_REG_AGAIN_LONG_H 0x3508 +#define OS05A20_REG_AGAIN_VS_H 0x350c + +#define OS05A20_REG_DGAIN_LONG_H 0x350a +#define OS05A20_REG_DGAIN_VS_H 0x350e +#define OS05A20_GAIN_MIN 0x80 +#define OS05A20_GAIN_MAX 0x3D9CC +#define OS05A20_GAIN_STEP 1 +#define OS05A20_GAIN_DEFAULT 0x80 + +#define OS05A20_GROUP_UPDATE_ADDRESS 0x3208 +#define OS05A20_GROUP_UPDATE_START_DATA 0x00 +#define OS05A20_GROUP_UPDATE_END_DATA 0x10 +#define OS05A20_GROUP_UPDATE_LAUNCH 0xA0 + +#define OS05A20_SOFTWARE_RESET_REG 0x0103 + +#define OS05A20_REG_TEST_PATTERN 0x5081 +#define OS05A20_TEST_PATTERN_ENABLE 0x80 +#define OS05A20_TEST_PATTERN_DISABLE 0x0 + +#define OS05A20_REG_VTS 0x380e + +#define REG_NULL 0xFFFF + +#define OS05A20_REG_VALUE_08BIT 1 +#define OS05A20_REG_VALUE_16BIT 2 +#define OS05A20_REG_VALUE_24BIT 3 + +#define OS05A20_LANES 4 + +#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default" +#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep" + +#define OS05A20_NAME "os05a20" + +#define USED_SYS_DEBUG + +static const char * const os05a20_supply_names[] = { + "avdd", /* Analog power */ + "dovdd", /* Digital I/O power */ + "dvdd", /* Digital core power */ +}; + +#define OS05A20_NUM_SUPPLIES ARRAY_SIZE(os05a20_supply_names) + +#define OS05A20_FLIP_REG 0x3820 +#define OS05A20_MIRROR_REG 0x3821 +#define MIRROR_BIT_MASK BIT(2) +#define FLIP_BIT_MASK BIT(2) + +enum os05a20_max_pad { + PAD0, + PAD1, + PAD2, + PAD3, + PAD_MAX, +}; + +struct regval { + u16 addr; + u8 val; +}; + +struct os05a20_mode { + u32 bus_fmt; + u32 width; + u32 height; + struct v4l2_fract max_fps; + u32 hts_def; + u32 vts_def; + u32 exp_def; + const struct regval *reg_list; + u32 hdr_mode; + u32 vc[PAD_MAX]; +}; + +struct os05a20 { + struct i2c_client *client; + struct clk *xvclk; + struct gpio_desc *power_gpio; + struct gpio_desc *reset_gpio; + struct gpio_desc *pwdn_gpio; + struct regulator_bulk_data supplies[OS05A20_NUM_SUPPLIES]; + + struct pinctrl *pinctrl; + struct pinctrl_state *pins_default; + struct pinctrl_state *pins_sleep; + + struct v4l2_subdev subdev; + struct media_pad pad; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *anal_gain; + struct v4l2_ctrl *digi_gain; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *test_pattern; + struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *link_freq; + struct v4l2_ctrl *h_flip; + struct v4l2_ctrl *v_flip; + struct mutex mutex; + bool streaming; + bool power_on; + const struct os05a20_mode *cur_mode; + u32 cfg_num; + u32 module_index; + const char *module_facing; + const char *module_name; + const char *len_name; + bool has_init_exp; + struct preisp_hdrae_exp_s init_hdrae_exp; + bool is_thunderboot; + bool is_thunderboot_ng; + bool is_first_streamoff; +}; + +#define to_os05a20(sd) container_of(sd, struct os05a20, subdev) + +/* + * Xclk 24Mhz + */ +static const struct regval os05a20_global_regs[] = { + {REG_NULL, 0x00}, +}; + +static const struct regval os05a20_linear12bit_2688x1944_regs[] = { + {0x0103, 0x01}, + {0x0303, 0x01}, + {0x0305, 0x5e}, + {0x0306, 0x00}, + {0x0307, 0x00}, + {0x0308, 0x03}, + {0x0309, 0x04}, + {0x032a, 0x00}, + {0x031e, 0x0a}, + {0x0325, 0x48}, + {0x0328, 0x07}, + {0x300d, 0x11}, + {0x300e, 0x11}, + {0x300f, 0x11}, + {0x3010, 0x01}, + {0x3012, 0x41}, + {0x3016, 0xf0}, + {0x3018, 0xf0}, + {0x3028, 0xf0}, + {0x301e, 0x98}, + {0x3010, 0x04}, + {0x3011, 0x06}, + {0x3031, 0xa9}, + {0x3103, 0x48}, + {0x3104, 0x01}, + {0x3106, 0x10}, + {0x3400, 0x04}, + {0x3025, 0x03}, + {0x3425, 0x51}, + {0x3428, 0x01}, + {0x3406, 0x08}, + {0x3408, 0x03}, + {0x3501, 0x09}, + {0x3502, 0xa0}, + {0x3505, 0x83}, + {0x3508, 0x00}, + {0x3509, 0x80}, + {0x350a, 0x04}, + {0x350b, 0x00}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x350e, 0x04}, + {0x350f, 0x00}, + {0x3600, 0x00}, + {0x3626, 0xff}, + {0x3605, 0x50}, + {0x3609, 0xdb}, + {0x3610, 0x69}, + {0x360c, 0x01}, + {0x3628, 0xa4}, + {0x3629, 0x6a}, + {0x362d, 0x10}, + {0x3660, 0xd3}, + {0x3661, 0x06}, + {0x3662, 0x00}, + {0x3663, 0x28}, + {0x3664, 0x0d}, + {0x366a, 0x38}, + {0x366b, 0xa0}, + {0x366d, 0x00}, + {0x366e, 0x00}, + {0x3680, 0x00}, + {0x36c0, 0x00}, + {0x3621, 0x81}, + {0x3634, 0x31}, + {0x3620, 0x00}, + {0x3622, 0x00}, + {0x362a, 0xd0}, + {0x362e, 0x8c}, + {0x362f, 0x98}, + {0x3630, 0xb0}, + {0x3631, 0xd7}, + {0x3701, 0x0f}, + {0x3737, 0x02}, + {0x3741, 0x04}, + {0x373c, 0x0f}, + {0x373b, 0x02}, + {0x3705, 0x00}, + {0x3706, 0xa0}, + {0x370a, 0x01}, + {0x370b, 0xc8}, + {0x3709, 0x4a}, + {0x3714, 0x21}, + {0x371c, 0x00}, + {0x371d, 0x08}, + {0x375e, 0x0e}, + {0x3760, 0x13}, + {0x3776, 0x10}, + {0x3781, 0x02}, + {0x3782, 0x04}, + {0x3783, 0x02}, + {0x3784, 0x08}, + {0x3785, 0x08}, + {0x3788, 0x01}, + {0x3789, 0x01}, + {0x3797, 0x84}, + {0x3798, 0x01}, + {0x3799, 0x00}, + {0x3761, 0x02}, + {0x3762, 0x0d}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x0c}, + {0x3804, 0x0e}, + {0x3805, 0xff}, + {0x3806, 0x08}, + {0x3807, 0x6f}, + {0x3808, 0x0a}, + {0x3809, 0x80}, + {0x380a, 0x07}, + {0x380b, 0x98}, + {0x380c, 0x02}, + {0x380d, 0xd0}, + {0x380e, 0x09}, + {0x380f, 0xc0}, + {0x3813, 0x04}, + {0x3814, 0x01}, + {0x3815, 0x01}, + {0x3816, 0x01}, + {0x3817, 0x01}, + {0x381c, 0x00}, + {0x3820, 0x00}, + {0x3821, 0x04}, + {0x3823, 0x18}, + {0x3826, 0x00}, + {0x3827, 0x01}, + {0x3832, 0x02}, + {0x383c, 0x48}, + {0x383d, 0xff}, + {0x3843, 0x20}, + {0x382d, 0x08}, + {0x3d85, 0x0b}, + {0x3d84, 0x40}, + {0x3d8c, 0x63}, + {0x3d8d, 0x00}, + {0x4000, 0x78}, + {0x4001, 0x2b}, + {0x4005, 0x40}, + {0x4028, 0x2f}, + {0x400a, 0x01}, + {0x4010, 0x12}, + {0x4008, 0x02}, + {0x4009, 0x0d}, + {0x401a, 0x58}, + {0x4050, 0x00}, + {0x4051, 0x01}, + {0x4052, 0x00}, + {0x4053, 0x80}, + {0x4054, 0x00}, + {0x4055, 0x80}, + {0x4056, 0x00}, + {0x4057, 0x80}, + {0x4058, 0x00}, + {0x4059, 0x80}, + {0x430b, 0xff}, + {0x430c, 0xff}, + {0x430d, 0x00}, + {0x430e, 0x00}, + {0x4501, 0x18}, + {0x4502, 0x00}, + {0x4600, 0x00}, + {0x4601, 0x10}, + {0x4603, 0x01}, + {0x4643, 0x00}, + {0x4640, 0x01}, + {0x4641, 0x04}, + {0x480e, 0x00}, + {0x4813, 0x00}, + {0x4815, 0x2b}, + {0x486e, 0x36}, + {0x486f, 0x84}, + {0x4860, 0x00}, + {0x4861, 0xa0}, + {0x484b, 0x05}, + {0x4850, 0x00}, + {0x4851, 0xaa}, + {0x4852, 0xff}, + {0x4853, 0x8a}, + {0x4854, 0x08}, + {0x4855, 0x30}, + {0x4800, 0x00}, + {0x4837, 0x0a}, + {0x484a, 0x3f}, + {0x5000, 0xc9}, + {0x5001, 0x43}, + {0x5002, 0x00}, + {0x5211, 0x03}, + {0x5291, 0x03}, + {0x520d, 0x0f}, + {0x520e, 0xfd}, + {0x520f, 0xa5}, + {0x5210, 0xa5}, + {0x528d, 0x0f}, + {0x528e, 0xfd}, + {0x528f, 0xa5}, + {0x5290, 0xa5}, + {0x5004, 0x40}, + {0x5005, 0x00}, + {0x5180, 0x00}, + {0x5181, 0x10}, + {0x5182, 0x0f}, + {0x5183, 0xff}, + {0x580b, 0x03}, + {0x4d00, 0x03}, + {0x4d01, 0xe9}, + {0x4d02, 0xba}, + {0x4d03, 0x66}, + {0x4d04, 0x46}, + {0x4d05, 0xa5}, + {0x3603, 0x3c}, + {0x3703, 0x26}, + {0x3709, 0x49}, + {0x3708, 0x2d}, + {0x3719, 0x1c}, + {0x371a, 0x06}, + {0x4000, 0x79}, + {0x380c, 0x04}, + {0x380d, 0x04}, + {0x380e, 0x0d}, + {0x380f, 0xad}, + {0x3501, 0x0d}, + {0x3502, 0xa5}, + {0x4603, 0x00}, + {REG_NULL, 0x00}, +}; + +static const struct regval os05a20_hdr12bit_2688x1944_regs[] = { + {0x0100, 0x00}, + {0x0103, 0x01}, + {0x0303, 0x01}, + {0x0305, 0x5e}, + {0x0306, 0x00}, + {0x0307, 0x00}, + {0x0308, 0x03}, + {0x0309, 0x04}, + {0x032a, 0x00}, + {0x031e, 0x0a}, + {0x0325, 0x48}, + {0x0328, 0x07}, + {0x300d, 0x11}, + {0x300e, 0x11}, + {0x300f, 0x11}, + {0x3026, 0x00}, + {0x3027, 0x00}, + {0x3010, 0x01}, + {0x3012, 0x41}, + {0x3016, 0xf0}, + {0x3018, 0xf0}, + {0x3028, 0xf0}, + {0x301e, 0x98}, + {0x3010, 0x01}, + {0x3011, 0x04}, + {0x3031, 0xa9}, + {0x3103, 0x48}, + {0x3104, 0x01}, + {0x3106, 0x10}, + {0x3501, 0x09}, + {0x3502, 0xa0}, + {0x3505, 0x83}, + {0x3508, 0x00}, + {0x3509, 0x80}, + {0x350a, 0x04}, + {0x350b, 0x00}, + {0x350c, 0x00}, + {0x350d, 0x80}, + {0x350e, 0x04}, + {0x350f, 0x00}, + {0x3600, 0x00}, + {0x3626, 0xff}, + {0x3605, 0x50}, + {0x3609, 0xb5}, + {0x3610, 0x69}, + {0x360c, 0x01}, + {0x3628, 0xa4}, + {0x3629, 0x6a}, + {0x362d, 0x10}, + {0x3660, 0x42}, + {0x3661, 0x07}, + {0x3662, 0x00}, + {0x3663, 0x28}, + {0x3664, 0x0d}, + {0x366a, 0x38}, + {0x366b, 0xa0}, + {0x366d, 0x00}, + {0x366e, 0x00}, + {0x3680, 0x00}, + {0x36c0, 0x00}, + {0x3621, 0x81}, + {0x3634, 0x31}, + {0x3620, 0x00}, + {0x3622, 0x00}, + {0x362a, 0xd0}, + {0x362e, 0x8c}, + {0x362f, 0x98}, + {0x3630, 0xb0}, + {0x3631, 0xd7}, + {0x3701, 0x0f}, + {0x3737, 0x02}, + {0x3740, 0x18}, + {0x3741, 0x04}, + {0x373c, 0x0f}, + {0x373b, 0x02}, + {0x3705, 0x00}, + {0x3706, 0x50}, + {0x370a, 0x00}, + {0x370b, 0xe4}, + {0x3709, 0x4a}, + {0x3714, 0x21}, + {0x371c, 0x00}, + {0x371d, 0x08}, + {0x375e, 0x0e}, + {0x3760, 0x13}, + {0x3776, 0x10}, + {0x3781, 0x02}, + {0x3782, 0x04}, + {0x3783, 0x02}, + {0x3784, 0x08}, + {0x3785, 0x08}, + {0x3788, 0x01}, + {0x3789, 0x01}, + {0x3797, 0x04}, + {0x3798, 0x01}, + {0x3799, 0x00}, + {0x3761, 0x02}, + {0x3762, 0x0d}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x0c}, + {0x3804, 0x0e}, + {0x3805, 0xff}, + {0x3806, 0x08}, + {0x3807, 0x6f}, + {0x3808, 0x0a}, + {0x3809, 0x80}, + {0x380a, 0x07}, + {0x380b, 0x98}, + {0x380c, 0x02}, + {0x380d, 0xd0}, + {0x380e, 0x09}, + {0x380f, 0xc0}, + {0x3811, 0x10}, + {0x3813, 0x04}, + {0x3814, 0x01}, + {0x3815, 0x01}, + {0x3816, 0x01}, + {0x3817, 0x01}, + {0x381c, 0x08}, + {0x3820, 0x00}, + {0x3821, 0x24}, + {0x3822, 0x54}, + {0x3823, 0x08}, + {0x3826, 0x00}, + {0x3827, 0x01}, + {0x3833, 0x01}, + {0x3832, 0x02}, + {0x383c, 0x48}, + {0x383d, 0xff}, + {0x3843, 0x20}, + {0x382d, 0x08}, + {0x3d85, 0x0b}, + {0x3d84, 0x40}, + {0x3d8c, 0x63}, + {0x3d8d, 0x00}, + {0x4000, 0x78}, + {0x4001, 0x2b}, + {0x4004, 0x00}, + {0x4005, 0x40}, + {0x4028, 0x2f}, + {0x400a, 0x01}, + {0x4010, 0x12}, + {0x4008, 0x02}, + {0x4009, 0x0d}, + {0x401a, 0x58}, + {0x4050, 0x00}, + {0x4051, 0x01}, + {0x4052, 0x00}, + {0x4053, 0x80}, + {0x4054, 0x00}, + {0x4055, 0x80}, + {0x4056, 0x00}, + {0x4057, 0x80}, + {0x4058, 0x00}, + {0x4059, 0x80}, + {0x430b, 0xff}, + {0x430c, 0xff}, + {0x430d, 0x00}, + {0x430e, 0x00}, + {0x4501, 0x18}, + {0x4502, 0x00}, + {0x4643, 0x00}, + {0x4640, 0x01}, + {0x4641, 0x04}, + {0x480e, 0x04}, + {0x4813, 0x98}, + {0x4815, 0x2b}, + {0x486e, 0x36}, + {0x486f, 0x84}, + {0x4860, 0x00}, + {0x4861, 0xa0}, + {0x484b, 0x05}, + {0x4850, 0x00}, + {0x4851, 0xaa}, + {0x4852, 0xff}, + {0x4853, 0x8a}, + {0x4854, 0x08}, + {0x4855, 0x30}, + {0x4800, 0x60}, + {0x4837, 0x0a}, + {0x484a, 0x3f}, + {0x5000, 0xc9}, + {0x5001, 0x43}, + {0x5002, 0x00}, + {0x5211, 0x03}, + {0x5291, 0x03}, + {0x520d, 0x0f}, + {0x520e, 0xfd}, + {0x520f, 0xa5}, + {0x5210, 0xa5}, + {0x528d, 0x0f}, + {0x528e, 0xfd}, + {0x528f, 0xa5}, + {0x5290, 0xa5}, + {0x5004, 0x40}, + {0x5005, 0x00}, + {0x5180, 0x00}, + {0x5181, 0x10}, + {0x5182, 0x0f}, + {0x5183, 0xff}, + {0x580b, 0x03}, + {0x4d00, 0x03}, + {0x4d01, 0xe9}, + {0x4d02, 0xba}, + {0x4d03, 0x66}, + {0x4d04, 0x46}, + {0x4d05, 0xa5}, + {0x3603, 0x3c}, + {0x3703, 0x26}, + {0x3709, 0x49}, + {0x3708, 0x2d}, + {0x3719, 0x1c}, + {0x371a, 0x06}, + {0x4000, 0x79}, + {0x380c, 0x02}, + {0x380d, 0xd0}, + {0x380e, 0x09}, + {0x380f, 0xc4}, + {0x3501, 0x08}, + {0x3502, 0xc4}, + {0x3511, 0x00}, + {0x3512, 0x20}, + {REG_NULL, 0x00}, +}; + +/* + * The width and height must be configured to be + * the same as the current output resolution of the sensor. + * The input width of the isp needs to be 16 aligned. + * The input height of the isp needs to be 8 aligned. + * If the width or height does not meet the alignment rules, + * you can configure the cropping parameters with the following function to + * crop out the appropriate resolution. + * struct v4l2_subdev_pad_ops { + * .get_selection + * } + */ +static const struct os05a20_mode supported_modes[] = { + { + .bus_fmt = MEDIA_BUS_FMT_SBGGR12_1X12, + .width = 2688, + .height = 1944, + .max_fps = { + .numerator = 10000, + .denominator = 300000, + }, + .exp_def = 0x09a0, + .hts_def = 0x02d0 * 4, + .vts_def = 0x0dad, + .reg_list = os05a20_linear12bit_2688x1944_regs, + .hdr_mode = NO_HDR, + .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, + }, + { + .bus_fmt = MEDIA_BUS_FMT_SBGGR12_1X12, + .width = 2688, + .height = 1944, + .max_fps = { + .numerator = 10000, + .denominator = 300000, + }, + .exp_def = 0x09a0, + .hts_def = 0x02d0 * 4, + .vts_def = 0x09c4, + .reg_list = os05a20_hdr12bit_2688x1944_regs, + .hdr_mode = HDR_X2, + .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_1, + .vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_0,//L->csi wr0 + .vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_1, + .vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_1,//M->csi wr2 //Α½ΥλΉΜΆ¨ΆΜΦ‘ + }, +}; + +static const s64 link_freq_menu_items[] = { + MIPI_FREQ_750M, +}; + +static const char * const os05a20_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 __os05a20_power_on(struct os05a20 *os05a20); + +/* Write registers up to 4 at a time */ +static int os05a20_write_reg(struct i2c_client *client, u16 reg, + u32 len, u32 val) +{ + u32 buf_i, val_i; + u8 buf[6]; + u8 *val_p; + __be32 val_be; + + if (len > 4) + return -EINVAL; + + buf[0] = reg >> 8; + buf[1] = reg & 0xff; + + val_be = cpu_to_be32(val); + val_p = (u8 *)&val_be; + 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; +} + +static int os05a20_write_array(struct i2c_client *client, + const struct regval *regs) +{ + u32 i; + int ret = 0; + + for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) { + ret |= os05a20_write_reg(client, regs[i].addr, + OS05A20_REG_VALUE_08BIT, regs[i].val); + } + return ret; +} + +/* Read registers up to 4 at a time */ +static int os05a20_read_reg(struct i2c_client *client, + u16 reg, + unsigned int len, + u32 *val) +{ + struct i2c_msg msgs[2]; + u8 *data_be_p; + __be32 data_be = 0; + __be16 reg_addr_be = cpu_to_be16(reg); + int ret; + + if (len > 4 || !len) + 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 *)®_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 os05a20_get_reso_dist(const struct os05a20_mode *mode, + struct v4l2_mbus_framefmt *framefmt) +{ + return abs(mode->width - framefmt->width) + + abs(mode->height - framefmt->height); +} + +static const struct os05a20_mode * +os05a20_find_best_fit(struct os05a20 *os05a20, struct v4l2_subdev_format *fmt) +{ + struct v4l2_mbus_framefmt *framefmt = &fmt->format; + int dist; + int cur_best_fit = 0; + int cur_best_fit_dist = -1; + unsigned int i; + + for (i = 0; i < os05a20->cfg_num; i++) { + dist = os05a20_get_reso_dist(&supported_modes[i], framefmt); + if ((cur_best_fit_dist == -1 || dist <= cur_best_fit_dist) && + (supported_modes[i].bus_fmt == framefmt->code)) { + cur_best_fit_dist = dist; + cur_best_fit = i; + } + } + + return &supported_modes[cur_best_fit]; +} + +static int os05a20_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + const struct os05a20_mode *mode; + s64 h_blank, vblank_def; + + mutex_lock(&os05a20->mutex); + + mode = os05a20_find_best_fit(os05a20, fmt); + fmt->format.code = mode->bus_fmt; + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.field = V4L2_FIELD_NONE; + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; +#else + mutex_unlock(&os05a20->mutex); + return -ENOTTY; +#endif + } else { + os05a20->cur_mode = mode; + h_blank = mode->hts_def - mode->width; + __v4l2_ctrl_modify_range(os05a20->hblank, h_blank, + h_blank, 1, h_blank); + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(os05a20->vblank, vblank_def, + OS05A20_VTS_MAX - mode->height, + 1, vblank_def); + } + + mutex_unlock(&os05a20->mutex); + + return 0; +} + +static int os05a20_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + const struct os05a20_mode *mode = os05a20->cur_mode; + + mutex_lock(&os05a20->mutex); + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + fmt->format = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad); +#else + mutex_unlock(&os05a20->mutex); + return -ENOTTY; +#endif + } else { + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.code = mode->bus_fmt; + fmt->format.field = V4L2_FIELD_NONE; + if (fmt->pad < PAD_MAX && mode->hdr_mode != NO_HDR) + fmt->reserved[0] = mode->vc[fmt->pad]; + else + fmt->reserved[0] = mode->vc[PAD0]; + } + mutex_unlock(&os05a20->mutex); + + return 0; +} + +static int os05a20_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + + if (code->index != 0) + return -EINVAL; + code->code = os05a20->cur_mode->bus_fmt; + + return 0; +} + +static int os05a20_enum_frame_sizes(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + + if (fse->index >= os05a20->cfg_num) + return -EINVAL; + + if (fse->code != supported_modes[fse->index].bus_fmt) + return -EINVAL; + + fse->min_width = supported_modes[fse->index].width; + fse->max_width = supported_modes[fse->index].width; + fse->max_height = supported_modes[fse->index].height; + fse->min_height = supported_modes[fse->index].height; + + return 0; +} + +static int os05a20_enable_test_pattern(struct os05a20 *os05a20, u32 pattern) +{ + u32 val; + int ret = 0; + + if (pattern) + val = ((pattern - 1) << 2) | OS05A20_TEST_PATTERN_ENABLE; + else + val = OS05A20_TEST_PATTERN_DISABLE; + ret = os05a20_write_reg(os05a20->client, OS05A20_REG_TEST_PATTERN, + OS05A20_REG_VALUE_08BIT, val); + return ret; +} + +static int os05a20_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *fi) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + const struct os05a20_mode *mode = os05a20->cur_mode; + + mutex_lock(&os05a20->mutex); + fi->interval = mode->max_fps; + mutex_unlock(&os05a20->mutex); + + return 0; +} + +static int os05a20_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *config) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + const struct os05a20_mode *mode = os05a20->cur_mode; + u32 val = 0; + + if (mode->hdr_mode == NO_HDR) + val = 1 << (OS05A20_LANES - 1) | + V4L2_MBUS_CSI2_CHANNEL_0 | + V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; + if (mode->hdr_mode == HDR_X2) + val = 1 << (OS05A20_LANES - 1) | + V4L2_MBUS_CSI2_CHANNEL_0 | + V4L2_MBUS_CSI2_CONTINUOUS_CLOCK | + V4L2_MBUS_CSI2_CHANNEL_1; + + config->type = V4L2_MBUS_CSI2; + config->flags = val; + + return 0; +} + +static void os05a20_get_module_inf(struct os05a20 *os05a20, + struct rkmodule_inf *inf) +{ + memset(inf, 0, sizeof(*inf)); + strlcpy(inf->base.sensor, OS05A20_NAME, sizeof(inf->base.sensor)); + strlcpy(inf->base.module, os05a20->module_name, + sizeof(inf->base.module)); + strlcpy(inf->base.lens, os05a20->len_name, sizeof(inf->base.lens)); +} + +static int os05a20_set_hdrae(struct os05a20 *os05a20, + struct preisp_hdrae_exp_s *ae) +{ + u32 m_exp_time, s_exp_time; + u32 m_gain, s_gain; + u32 m_d_gain = 1024; + u32 s_d_gain = 1024; + int ret = 0; + + if (!os05a20->has_init_exp && !os05a20->streaming) { + os05a20->init_hdrae_exp = *ae; + os05a20->has_init_exp = true; + dev_dbg(&os05a20->client->dev, "os05a20 don't stream, record exp for hdr!\n"); + return ret; + } + m_exp_time = ae->middle_exp_reg; + s_exp_time = ae->short_exp_reg; + m_gain = ae->middle_gain_reg; + s_gain = ae->short_gain_reg; + dev_dbg(&os05a20->client->dev, + "rev exp req: L_exp: 0x%x, 0x%x, S_exp: 0x%x, 0x%x\n", + m_exp_time, m_gain, + s_exp_time, s_gain); + + if (m_exp_time <= s_exp_time || m_exp_time < 4 || s_exp_time < 4) { + dev_err(&os05a20->client->dev, + "long exposure must bigger than short exposure,min exposure is 4 line\n"); + return -EINVAL; + } + + if (m_gain > 1984) {// >15.5x + m_d_gain = m_gain * 10 / 155; + m_gain = 1984; + } + + if (s_gain > 1984) {// >15.5x + s_d_gain = s_gain * 10 / 155; + s_gain = 1984; + } + dev_dbg(&os05a20->client->dev, + "set exp: L_exp: 0x%x, 0x%x 0x%x, S_exp: 0x%x, 0x%x, 0x%x\n", + m_exp_time, m_gain, m_d_gain, + s_exp_time, s_gain, s_d_gain); + + ret = os05a20_write_reg(os05a20->client, + OS05A20_GROUP_UPDATE_ADDRESS, + OS05A20_REG_VALUE_08BIT, + OS05A20_GROUP_UPDATE_START_DATA); + + ret |= os05a20_write_reg(os05a20->client, + OS05A20_REG_EXP_LONG_H, + OS05A20_REG_VALUE_16BIT, + m_exp_time); + ret |= os05a20_write_reg(os05a20->client, + OS05A20_REG_EXP_VS_H, + OS05A20_REG_VALUE_16BIT, + s_exp_time); + + ret |= os05a20_write_reg(os05a20->client, + OS05A20_REG_AGAIN_LONG_H, + OS05A20_REG_VALUE_16BIT, + m_gain & 0x7ff); + ret |= os05a20_write_reg(os05a20->client, + OS05A20_REG_DGAIN_LONG_H, + OS05A20_REG_VALUE_16BIT, + m_d_gain & 0x3fff); + + ret |= os05a20_write_reg(os05a20->client, + OS05A20_REG_AGAIN_VS_H, + OS05A20_REG_VALUE_16BIT, + s_gain & 0x7ff); + ret |= os05a20_write_reg(os05a20->client, + OS05A20_REG_DGAIN_VS_H, + OS05A20_REG_VALUE_16BIT, + s_d_gain & 0x3fff); + ret |= os05a20_write_reg(os05a20->client, + OS05A20_GROUP_UPDATE_ADDRESS, + OS05A20_REG_VALUE_08BIT, + OS05A20_GROUP_UPDATE_END_DATA); + ret |= os05a20_write_reg(os05a20->client, + OS05A20_GROUP_UPDATE_ADDRESS, + OS05A20_REG_VALUE_08BIT, + OS05A20_GROUP_UPDATE_LAUNCH); + return ret; +} + +static long os05a20_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + struct rkmodule_hdr_cfg *hdr_cfg; + long ret = 0; + u32 i, h, w; + u32 stream = 0; + + switch (cmd) { + case PREISP_CMD_SET_HDRAE_EXP: + return os05a20_set_hdrae(os05a20, arg); + case RKMODULE_SET_HDR_CFG: + hdr_cfg = (struct rkmodule_hdr_cfg *)arg; + w = os05a20->cur_mode->width; + h = os05a20->cur_mode->height; + for (i = 0; i < os05a20->cfg_num; i++) { + if (w == supported_modes[i].width && + h == supported_modes[i].height && + supported_modes[i].hdr_mode == hdr_cfg->hdr_mode) { + os05a20->cur_mode = &supported_modes[i]; + break; + } + } + if (i == os05a20->cfg_num) { + dev_err(&os05a20->client->dev, + "not find hdr mode:%d %dx%d config\n", + hdr_cfg->hdr_mode, w, h); + ret = -EINVAL; + } else { + w = os05a20->cur_mode->hts_def - os05a20->cur_mode->width; + h = os05a20->cur_mode->vts_def - os05a20->cur_mode->height; + __v4l2_ctrl_modify_range(os05a20->hblank, w, w, 1, w); + __v4l2_ctrl_modify_range(os05a20->vblank, h, + OS05A20_VTS_MAX - os05a20->cur_mode->height, + 1, h); + dev_info(&os05a20->client->dev, + "sensor mode: %d\n", + os05a20->cur_mode->hdr_mode); + } + break; + case RKMODULE_GET_MODULE_INFO: + os05a20_get_module_inf(os05a20, (struct rkmodule_inf *)arg); + break; + case RKMODULE_GET_HDR_CFG: + hdr_cfg = (struct rkmodule_hdr_cfg *)arg; + hdr_cfg->esp.mode = HDR_NORMAL_VC; + hdr_cfg->hdr_mode = os05a20->cur_mode->hdr_mode; + break; + case RKMODULE_SET_CONVERSION_GAIN: + ret = -EINVAL; + break; + case RKMODULE_SET_QUICK_STREAM: + + stream = *((u32 *)arg); + + if (stream) + ret = os05a20_write_reg(os05a20->client, OS05A20_REG_CTRL_MODE, + OS05A20_REG_VALUE_08BIT, OS05A20_MODE_STREAMING); + else + ret = os05a20_write_reg(os05a20->client, OS05A20_REG_CTRL_MODE, + OS05A20_REG_VALUE_08BIT, OS05A20_MODE_SW_STANDBY); + break; + default: + ret = -ENOIOCTLCMD; + break; + } + + return ret; +} + +#ifdef CONFIG_COMPAT +static long os05a20_compat_ioctl32(struct v4l2_subdev *sd, + unsigned int cmd, unsigned long arg) +{ + void __user *up = compat_ptr(arg); + struct rkmodule_inf *inf; + struct rkmodule_awb_cfg *cfg; + struct rkmodule_hdr_cfg *hdr; + struct preisp_hdrae_exp_s *hdrae; + long ret; + u32 stream = 0; + + switch (cmd) { + case RKMODULE_GET_MODULE_INFO: + inf = kzalloc(sizeof(*inf), GFP_KERNEL); + if (!inf) { + ret = -ENOMEM; + return ret; + } + + ret = os05a20_ioctl(sd, cmd, inf); + if (!ret) + ret = copy_to_user(up, inf, sizeof(*inf)); + kfree(inf); + break; + case RKMODULE_AWB_CFG: + cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); + if (!cfg) { + ret = -ENOMEM; + return ret; + } + + ret = copy_from_user(cfg, up, sizeof(*cfg)); + if (!ret) + ret = os05a20_ioctl(sd, cmd, cfg); + kfree(cfg); + break; + case RKMODULE_GET_HDR_CFG: + hdr = kzalloc(sizeof(*hdr), GFP_KERNEL); + if (!hdr) { + ret = -ENOMEM; + return ret; + } + + ret = os05a20_ioctl(sd, cmd, hdr); + if (!ret) + ret = copy_to_user(up, hdr, sizeof(*hdr)); + kfree(hdr); + break; + case RKMODULE_SET_HDR_CFG: + hdr = kzalloc(sizeof(*hdr), GFP_KERNEL); + if (!hdr) { + ret = -ENOMEM; + return ret; + } + + ret = copy_from_user(hdr, up, sizeof(*hdr)); + if (!ret) + ret = os05a20_ioctl(sd, cmd, hdr); + kfree(hdr); + break; + case PREISP_CMD_SET_HDRAE_EXP: + hdrae = kzalloc(sizeof(*hdrae), GFP_KERNEL); + if (!hdrae) { + ret = -ENOMEM; + return ret; + } + + ret = copy_from_user(hdrae, up, sizeof(*hdrae)); + if (!ret) + ret = os05a20_ioctl(sd, cmd, hdrae); + kfree(hdrae); + break; + case RKMODULE_SET_CONVERSION_GAIN: + ret = -EINVAL; + break; + case RKMODULE_SET_QUICK_STREAM: + ret = copy_from_user(&stream, up, sizeof(u32)); + if (!ret) + ret = os05a20_ioctl(sd, cmd, &stream); + break; + default: + ret = -ENOIOCTLCMD; + break; + } + + return ret; +} +#endif + +static int __os05a20_start_stream(struct os05a20 *os05a20) +{ + int ret; + + if (!os05a20->is_thunderboot) { + ret = os05a20_write_array(os05a20->client, os05a20_global_regs); + if (ret) { + dev_err(&os05a20->client->dev, + "could not set init registers\n"); + return ret; + } + + ret = os05a20_write_array(os05a20->client, os05a20->cur_mode->reg_list); + if (ret) + return ret; + } + + /* In case these controls are set before streaming */ + ret = __v4l2_ctrl_handler_setup(&os05a20->ctrl_handler); + if (ret) + return ret; + if (os05a20->has_init_exp && os05a20->cur_mode->hdr_mode != NO_HDR) { + ret = os05a20_ioctl(&os05a20->subdev, + PREISP_CMD_SET_HDRAE_EXP, + &os05a20->init_hdrae_exp); + if (ret) { + dev_err(&os05a20->client->dev, + "init exp fail in hdr mode\n"); + return ret; + } + } + return os05a20_write_reg(os05a20->client, OS05A20_REG_CTRL_MODE, + OS05A20_REG_VALUE_08BIT, OS05A20_MODE_STREAMING); +} + +static int __os05a20_stop_stream(struct os05a20 *os05a20) +{ + os05a20->has_init_exp = false; + if (os05a20->is_thunderboot) + os05a20->is_first_streamoff = true; + return os05a20_write_reg(os05a20->client, OS05A20_REG_CTRL_MODE, + OS05A20_REG_VALUE_08BIT, OS05A20_MODE_SW_STANDBY); +} + +static int os05a20_s_stream(struct v4l2_subdev *sd, int on) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + struct i2c_client *client = os05a20->client; + int ret = 0; + + mutex_lock(&os05a20->mutex); + on = !!on; + if (on == os05a20->streaming) + goto unlock_and_return; + + if (on) { + if (os05a20->is_thunderboot && rkisp_tb_get_state() == RKISP_TB_NG) { + os05a20->is_thunderboot = false; + __os05a20_power_on(os05a20); + } + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + pm_runtime_put_noidle(&client->dev); + goto unlock_and_return; + } + + ret = __os05a20_start_stream(os05a20); + if (ret) { + v4l2_err(sd, "start stream failed while write regs\n"); + pm_runtime_put(&client->dev); + goto unlock_and_return; + } + } else { + __os05a20_stop_stream(os05a20); + pm_runtime_put(&client->dev); + } + + os05a20->streaming = on; + +unlock_and_return: + mutex_unlock(&os05a20->mutex); + + return ret; +} + +static int os05a20_s_power(struct v4l2_subdev *sd, int on) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + struct i2c_client *client = os05a20->client; + int ret = 0; + + mutex_lock(&os05a20->mutex); + + /* If the power state is not modified - no work to do. */ + if (os05a20->power_on == !!on) + goto unlock_and_return; + + if (on) { + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + pm_runtime_put_noidle(&client->dev); + goto unlock_and_return; + } + + if (!os05a20->is_thunderboot) { + ret |= os05a20_write_reg(os05a20->client, + OS05A20_SOFTWARE_RESET_REG, + OS05A20_REG_VALUE_08BIT, + 0x01); + usleep_range(100, 200); + } + + os05a20->power_on = true; + } else { + pm_runtime_put(&client->dev); + os05a20->power_on = false; + } + +unlock_and_return: + mutex_unlock(&os05a20->mutex); + + return ret; +} + +/* Calculate the delay in us by clock rate and clock cycles */ +static inline u32 os05a20_cal_delay(u32 cycles) +{ + return DIV_ROUND_UP(cycles, OS05A20_XVCLK_FREQ / 1000 / 1000); +} + +static int __os05a20_power_on(struct os05a20 *os05a20) +{ + int ret; + u32 delay_us; + struct device *dev = &os05a20->client->dev; + + if (os05a20->is_thunderboot) + return 0; + + if (!IS_ERR_OR_NULL(os05a20->pins_default)) { + ret = pinctrl_select_state(os05a20->pinctrl, + os05a20->pins_default); + if (ret < 0) + dev_err(dev, "could not set pins\n"); + } + ret = clk_set_rate(os05a20->xvclk, OS05A20_XVCLK_FREQ); + if (ret < 0) + dev_warn(dev, "Failed to set xvclk rate (24MHz)\n"); + if (clk_get_rate(os05a20->xvclk) != OS05A20_XVCLK_FREQ) + dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); + ret = clk_prepare_enable(os05a20->xvclk); + if (ret < 0) { + dev_err(dev, "Failed to enable xvclk\n"); + return ret; + } + if (!IS_ERR(os05a20->power_gpio)) { + gpiod_direction_output(os05a20->power_gpio, 1); + usleep_range(6000, 8000); + } + if (!IS_ERR(os05a20->reset_gpio)) + gpiod_direction_output(os05a20->reset_gpio, 1); + + ret = regulator_bulk_enable(OS05A20_NUM_SUPPLIES, os05a20->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators\n"); + goto disable_clk; + } + + if (!IS_ERR(os05a20->reset_gpio)) + gpiod_direction_output(os05a20->reset_gpio, 0); + + usleep_range(500, 1000); + if (!IS_ERR(os05a20->pwdn_gpio)) + gpiod_direction_output(os05a20->pwdn_gpio, 1); + /* + * There is no need to wait for the delay of RC circuit + * if the reset signal is directly controlled by GPIO. + */ + if (!IS_ERR(os05a20->reset_gpio)) + usleep_range(6000, 8000); + else + usleep_range(12000, 16000); + + /* 8192 cycles prior to first SCCB transaction */ + delay_us = os05a20_cal_delay(8192); + usleep_range(delay_us, delay_us * 2); + + return 0; + +disable_clk: + clk_disable_unprepare(os05a20->xvclk); + + return ret; +} + +static void __os05a20_power_off(struct os05a20 *os05a20) +{ + int ret; + struct device *dev = &os05a20->client->dev; + + if (os05a20->is_thunderboot) { + if (os05a20->is_first_streamoff) { + os05a20->is_thunderboot = false; + os05a20->is_first_streamoff = false; + } else { + return; + } + } + + if (!IS_ERR(os05a20->pwdn_gpio)) + gpiod_direction_output(os05a20->pwdn_gpio, 0); + + clk_disable_unprepare(os05a20->xvclk); + + if (!IS_ERR(os05a20->reset_gpio)) + gpiod_direction_output(os05a20->reset_gpio, 0); + if (!IS_ERR(os05a20->power_gpio)) + gpiod_direction_output(os05a20->power_gpio, 0); + if (!IS_ERR_OR_NULL(os05a20->pins_sleep)) { + ret = pinctrl_select_state(os05a20->pinctrl, + os05a20->pins_sleep); + if (ret < 0) + dev_dbg(dev, "could not set pins\n"); + } + + if (os05a20->is_thunderboot_ng) { + os05a20->is_thunderboot_ng = false; + regulator_bulk_disable(OS05A20_NUM_SUPPLIES, os05a20->supplies); + } +} + +static int os05a20_runtime_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct os05a20 *os05a20 = to_os05a20(sd); + + return __os05a20_power_on(os05a20); +} + +static int os05a20_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct os05a20 *os05a20 = to_os05a20(sd); + + __os05a20_power_off(os05a20); + + return 0; +} + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static int os05a20_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + struct v4l2_mbus_framefmt *try_fmt = + v4l2_subdev_get_try_format(sd, fh->pad, 0); + const struct os05a20_mode *def_mode = &supported_modes[0]; + + mutex_lock(&os05a20->mutex); + /* Initialize try_fmt */ + try_fmt->width = def_mode->width; + try_fmt->height = def_mode->height; + try_fmt->code = def_mode->bus_fmt; + try_fmt->field = V4L2_FIELD_NONE; + + mutex_unlock(&os05a20->mutex); + /* No crop or compose */ + + return 0; +} +#endif + +static int os05a20_enum_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_interval_enum *fie) +{ + struct os05a20 *os05a20 = to_os05a20(sd); + + if (fie->index >= os05a20->cfg_num) + return -EINVAL; + + fie->code = supported_modes[fie->index].bus_fmt; + fie->width = supported_modes[fie->index].width; + fie->height = supported_modes[fie->index].height; + fie->interval = supported_modes[fie->index].max_fps; + fie->reserved[0] = supported_modes[fie->index].hdr_mode; + return 0; +} + +static const struct dev_pm_ops os05a20_pm_ops = { + SET_RUNTIME_PM_OPS(os05a20_runtime_suspend, + os05a20_runtime_resume, NULL) +}; + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static const struct v4l2_subdev_internal_ops os05a20_internal_ops = { + .open = os05a20_open, +}; +#endif + +static const struct v4l2_subdev_core_ops os05a20_core_ops = { + .s_power = os05a20_s_power, + .ioctl = os05a20_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl32 = os05a20_compat_ioctl32, +#endif +}; + +static const struct v4l2_subdev_video_ops os05a20_video_ops = { + .s_stream = os05a20_s_stream, + .g_frame_interval = os05a20_g_frame_interval, + .g_mbus_config = os05a20_g_mbus_config, +}; + +static const struct v4l2_subdev_pad_ops os05a20_pad_ops = { + .enum_mbus_code = os05a20_enum_mbus_code, + .enum_frame_size = os05a20_enum_frame_sizes, + .enum_frame_interval = os05a20_enum_frame_interval, + .get_fmt = os05a20_get_fmt, + .set_fmt = os05a20_set_fmt, +}; + +static const struct v4l2_subdev_ops os05a20_subdev_ops = { + .core = &os05a20_core_ops, + .video = &os05a20_video_ops, + .pad = &os05a20_pad_ops, +}; + +static int os05a20_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct os05a20 *os05a20 = container_of(ctrl->handler, + struct os05a20, ctrl_handler); + struct i2c_client *client = os05a20->client; + s64 max; + int ret = 0; + u32 again, dgain; + u32 val = 0; + + /* Propagate change of current control to all related controls */ + switch (ctrl->id) { + case V4L2_CID_VBLANK: + if (os05a20->cur_mode->hdr_mode == NO_HDR) { + /* Update max exposure while meeting expected vblanking */ + max = os05a20->cur_mode->height + ctrl->val - 8; + __v4l2_ctrl_modify_range(os05a20->exposure, + os05a20->exposure->minimum, max, + os05a20->exposure->step, + os05a20->exposure->default_value); + break; + } + } + + if (!pm_runtime_get_if_in_use(&client->dev)) + return 0; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + if (os05a20->cur_mode->hdr_mode != NO_HDR) + return 0; + ret = os05a20_write_reg(os05a20->client, + OS05A20_REG_EXP_LONG_H, + OS05A20_REG_VALUE_16BIT, + ctrl->val); + dev_dbg(&client->dev, "set exposure 0x%x\n", + ctrl->val); + break; + case V4L2_CID_ANALOGUE_GAIN: + if (os05a20->cur_mode->hdr_mode != NO_HDR) + return 0; + if (ctrl->val > 1984) {// >15.5x + dgain = ctrl->val * 10 / 155; + again = 1984; + } else { + dgain = 1024; + again = ctrl->val; + } + ret = os05a20_write_reg(os05a20->client, + OS05A20_REG_AGAIN_LONG_H, + OS05A20_REG_VALUE_16BIT, + again & 0x7ff); + ret |= os05a20_write_reg(os05a20->client, + OS05A20_REG_DGAIN_LONG_H, + OS05A20_REG_VALUE_16BIT, + dgain & 0x3fff); + dev_dbg(&client->dev, "set analog gain 0x%x digital gain 0x%x\n", + again, dgain); + break; + case V4L2_CID_VBLANK: + ret = os05a20_write_reg(os05a20->client, OS05A20_REG_VTS, + OS05A20_REG_VALUE_16BIT, + ctrl->val + os05a20->cur_mode->height); + dev_dbg(&client->dev, "set vblank 0x%x\n", + ctrl->val); + break; + case V4L2_CID_TEST_PATTERN: + ret = os05a20_enable_test_pattern(os05a20, ctrl->val); + break; + case V4L2_CID_HFLIP: + ret = os05a20_read_reg(os05a20->client, OS05A20_MIRROR_REG, + OS05A20_REG_VALUE_08BIT, + &val); + if (ctrl->val) + val |= MIRROR_BIT_MASK; + else + val &= ~MIRROR_BIT_MASK; + ret = os05a20_write_reg(os05a20->client, OS05A20_MIRROR_REG, + OS05A20_REG_VALUE_08BIT, + val); + break; + case V4L2_CID_VFLIP: + ret = os05a20_read_reg(os05a20->client, OS05A20_FLIP_REG, + OS05A20_REG_VALUE_08BIT, + &val); + if (ctrl->val) + val |= FLIP_BIT_MASK; + else + val &= ~FLIP_BIT_MASK; + ret = os05a20_write_reg(os05a20->client, OS05A20_FLIP_REG, + OS05A20_REG_VALUE_08BIT, + val); + break; + default: + dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", + __func__, ctrl->id, ctrl->val); + break; + } + + pm_runtime_put(&client->dev); + + return ret; +} + +static const struct v4l2_ctrl_ops os05a20_ctrl_ops = { + .s_ctrl = os05a20_set_ctrl, +}; + +static int os05a20_initialize_controls(struct os05a20 *os05a20) +{ + const struct os05a20_mode *mode; + struct v4l2_ctrl_handler *handler; + s64 exposure_max, vblank_def; + u32 h_blank; + int ret; + + handler = &os05a20->ctrl_handler; + mode = os05a20->cur_mode; + ret = v4l2_ctrl_handler_init(handler, 9); + if (ret) + return ret; + handler->lock = &os05a20->mutex; + + os05a20->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, + V4L2_CID_LINK_FREQ, + 1, 0, link_freq_menu_items); + /* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */ + os05a20->pixel_rate = v4l2_ctrl_new_std(handler, NULL, + V4L2_CID_PIXEL_RATE, + 0, PIXEL_RATE_WITH_750M, + 1, PIXEL_RATE_WITH_750M); + + h_blank = mode->hts_def - mode->width; + os05a20->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, + h_blank, h_blank, 1, h_blank); + if (os05a20->hblank) + os05a20->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + vblank_def = mode->vts_def - mode->height; + os05a20->vblank = v4l2_ctrl_new_std(handler, &os05a20_ctrl_ops, + V4L2_CID_VBLANK, vblank_def, + OS05A20_VTS_MAX - mode->height, + 1, vblank_def); + + exposure_max = mode->vts_def - 8; + os05a20->exposure = v4l2_ctrl_new_std(handler, &os05a20_ctrl_ops, + V4L2_CID_EXPOSURE, OS05A20_EXPOSURE_MIN, + exposure_max, OS05A20_EXPOSURE_STEP, + mode->exp_def); + + os05a20->anal_gain = v4l2_ctrl_new_std(handler, &os05a20_ctrl_ops, + V4L2_CID_ANALOGUE_GAIN, OS05A20_GAIN_MIN, + OS05A20_GAIN_MAX, OS05A20_GAIN_STEP, + OS05A20_GAIN_DEFAULT); + + os05a20->test_pattern = + v4l2_ctrl_new_std_menu_items(handler, + &os05a20_ctrl_ops, V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(os05a20_test_pattern_menu) - 1, + 0, 0, os05a20_test_pattern_menu); + + os05a20->h_flip = v4l2_ctrl_new_std(handler, &os05a20_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + + os05a20->v_flip = v4l2_ctrl_new_std(handler, &os05a20_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + if (handler->error) { + ret = handler->error; + dev_err(&os05a20->client->dev, + "Failed to init controls(%d)\n", ret); + goto err_free_handler; + } + + os05a20->subdev.ctrl_handler = handler; + os05a20->has_init_exp = false; + + return 0; + +err_free_handler: + v4l2_ctrl_handler_free(handler); + + return ret; +} + +static int os05a20_check_sensor_id(struct os05a20 *os05a20, + struct i2c_client *client) +{ + struct device *dev = &os05a20->client->dev; + u32 id = 0; + int ret; + + if (os05a20->is_thunderboot) { + dev_info(dev, "Enable thunderboot mode, skip sensor id check\n"); + return 0; + } + + ret = os05a20_read_reg(client, OS05A20_REG_CHIP_ID, + OS05A20_REG_VALUE_24BIT, &id); + if (id != CHIP_ID) { + dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret); + return -ENODEV; + } + + dev_info(dev, "Detected OV%06x sensor\n", CHIP_ID); + + return 0; +} + +static int os05a20_configure_regulators(struct os05a20 *os05a20) +{ + unsigned int i; + + for (i = 0; i < OS05A20_NUM_SUPPLIES; i++) + os05a20->supplies[i].supply = os05a20_supply_names[i]; + + return devm_regulator_bulk_get(&os05a20->client->dev, + OS05A20_NUM_SUPPLIES, + os05a20->supplies); +} + +static int os05a20_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device_node *node = dev->of_node; + struct os05a20 *os05a20; + struct v4l2_subdev *sd; + char facing[2]; + int ret; + u32 i, hdr_mode = 0; + + dev_info(dev, "driver version: %02x.%02x.%02x", + DRIVER_VERSION >> 16, + (DRIVER_VERSION & 0xff00) >> 8, + DRIVER_VERSION & 0x00ff); + + os05a20 = devm_kzalloc(dev, sizeof(*os05a20), GFP_KERNEL); + if (!os05a20) + return -ENOMEM; + + ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, + &os05a20->module_index); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, + &os05a20->module_facing); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, + &os05a20->module_name); + ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, + &os05a20->len_name); + if (ret) { + dev_err(dev, "could not get module information!\n"); + return -EINVAL; + } + + os05a20->is_thunderboot = IS_ENABLED(CONFIG_VIDEO_ROCKCHIP_THUNDER_BOOT_ISP); + ret = of_property_read_u32(node, OF_CAMERA_HDR_MODE, + &hdr_mode); + if (ret) { + hdr_mode = NO_HDR; + dev_warn(dev, " Get hdr mode failed! no hdr default\n"); + } + os05a20->cfg_num = ARRAY_SIZE(supported_modes); + for (i = 0; i < os05a20->cfg_num; i++) { + if (hdr_mode == supported_modes[i].hdr_mode) { + os05a20->cur_mode = &supported_modes[i]; + break; + } + } + os05a20->client = client; + + os05a20->xvclk = devm_clk_get(dev, "xvclk"); + if (IS_ERR(os05a20->xvclk)) { + dev_err(dev, "Failed to get xvclk\n"); + return -EINVAL; + } + + os05a20->power_gpio = devm_gpiod_get(dev, "power", GPIOD_ASIS); + if (IS_ERR(os05a20->power_gpio)) + dev_warn(dev, "Failed to get power-gpios\n"); + + os05a20->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS); + if (IS_ERR(os05a20->reset_gpio)) + dev_warn(dev, "Failed to get reset-gpios\n"); + + os05a20->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_ASIS); + if (IS_ERR(os05a20->pwdn_gpio)) + dev_warn(dev, "Failed to get pwdn-gpios\n"); + + os05a20->pinctrl = devm_pinctrl_get(dev); + if (!IS_ERR(os05a20->pinctrl)) { + os05a20->pins_default = + pinctrl_lookup_state(os05a20->pinctrl, + OF_CAMERA_PINCTRL_STATE_DEFAULT); + if (IS_ERR(os05a20->pins_default)) + dev_err(dev, "could not get default pinstate\n"); + + os05a20->pins_sleep = + pinctrl_lookup_state(os05a20->pinctrl, + OF_CAMERA_PINCTRL_STATE_SLEEP); + if (IS_ERR(os05a20->pins_sleep)) + dev_err(dev, "could not get sleep pinstate\n"); + } else { + dev_err(dev, "no pinctrl\n"); + } + + ret = os05a20_configure_regulators(os05a20); + if (ret) { + dev_err(dev, "Failed to get power regulators\n"); + return ret; + } + + mutex_init(&os05a20->mutex); + + sd = &os05a20->subdev; + v4l2_i2c_subdev_init(sd, client, &os05a20_subdev_ops); + ret = os05a20_initialize_controls(os05a20); + if (ret) + goto err_destroy_mutex; + + ret = __os05a20_power_on(os05a20); + if (ret) + goto err_free_handler; + + ret = os05a20_check_sensor_id(os05a20, client); + if (ret) + goto err_power_off; + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + sd->internal_ops = &os05a20_internal_ops; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; +#endif +#if defined(CONFIG_MEDIA_CONTROLLER) + os05a20->pad.flags = MEDIA_PAD_FL_SOURCE; + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; + ret = media_entity_pads_init(&sd->entity, 1, &os05a20->pad); + if (ret < 0) + goto err_power_off; +#endif + + memset(facing, 0, sizeof(facing)); + if (strcmp(os05a20->module_facing, "back") == 0) + facing[0] = 'b'; + else + facing[0] = 'f'; + + snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", + os05a20->module_index, facing, + OS05A20_NAME, dev_name(sd->dev)); + ret = v4l2_async_register_subdev_sensor_common(sd); + if (ret) { + dev_err(dev, "v4l2 async register subdev failed\n"); + goto err_clean_entity; + } + + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + pm_runtime_idle(dev); + return 0; + +err_clean_entity: +#if defined(CONFIG_MEDIA_CONTROLLER) + media_entity_cleanup(&sd->entity); +#endif +err_power_off: + __os05a20_power_off(os05a20); +err_free_handler: + v4l2_ctrl_handler_free(&os05a20->ctrl_handler); +err_destroy_mutex: + mutex_destroy(&os05a20->mutex); + + return ret; +} + +static int os05a20_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct os05a20 *os05a20 = to_os05a20(sd); + + v4l2_async_unregister_subdev(sd); +#if defined(CONFIG_MEDIA_CONTROLLER) + media_entity_cleanup(&sd->entity); +#endif + v4l2_ctrl_handler_free(&os05a20->ctrl_handler); + mutex_destroy(&os05a20->mutex); + + pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + __os05a20_power_off(os05a20); + pm_runtime_set_suspended(&client->dev); + + return 0; +} + +#if IS_ENABLED(CONFIG_OF) +static const struct of_device_id os05a20_of_match[] = { + { .compatible = "ovti,os05a20" }, + {}, +}; +MODULE_DEVICE_TABLE(of, os05a20_of_match); +#endif + +static const struct i2c_device_id os05a20_match_id[] = { + { "ovti,os05a20", 0 }, + { }, +}; + +static struct i2c_driver os05a20_i2c_driver = { + .driver = { + .name = OS05A20_NAME, + .pm = &os05a20_pm_ops, + .of_match_table = of_match_ptr(os05a20_of_match), + }, + .probe = &os05a20_probe, + .remove = &os05a20_remove, + .id_table = os05a20_match_id, +}; + +#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT +module_i2c_driver(os05a20_i2c_driver); +#else +static int __init sensor_mod_init(void) +{ + return i2c_add_driver(&os05a20_i2c_driver); +} + +static void __exit sensor_mod_exit(void) +{ + i2c_del_driver(&os05a20_i2c_driver); +} + +device_initcall_sync(sensor_mod_init); +module_exit(sensor_mod_exit); +#endif + +MODULE_DESCRIPTION("OmniVision os05a20 sensor driver"); +MODULE_LICENSE("GPL v2");