// SPDX-License-Identifier: GPL-2.0 /* * gc2093 sensor driver * * Copyright (C) 2020 Rockchip Electronics Co., Ltd. * * V0.0X01.0X00 first version. * V0.0X01.0X01 Add HDR support. * V0.0X01.0X02 update sensor driver * 1. fix linear mode ae flicker issue. * 2. add hdr mode exposure limit issue. * 3. fix hdr mode highlighting pink issue. * 4. add some debug info. */ //#define DEBUG #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <linux/of_graph.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/version.h> #include <linux/rk-camera-module.h> #include <linux/rk-preisp.h> #include <media/v4l2-async.h> #include <media/media-entity.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> #define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x02) #define GC2093_NAME "gc2093" #define GC2093_MEDIA_BUS_FMT MEDIA_BUS_FMT_SRGGB10_1X10 #define MIPI_FREQ_297M 297000000 #define MIPI_FREQ_396M 396000000 #define GC2093_XVCLK_FREQ 27000000 #define GC2093_REG_CHIP_ID_H 0x03F0 #define GC2093_REG_CHIP_ID_L 0x03F1 #define GC2093_REG_EXP_SHORT_H 0x0001 #define GC2093_REG_EXP_SHORT_L 0x0002 #define GC2093_REG_EXP_LONG_H 0x0003 #define GC2093_REG_EXP_LONG_L 0x0004 #define GC2093_REG_VB_H 0x0007 #define GC2093_REG_VB_L 0x0008 #define GC2093_REG_VTS_H 0x0041 #define GC2093_REG_VTS_L 0x0042 #define GC2093_MIRROR_FLIP_REG 0x0017 #define MIRROR_MASK BIT(0) #define FLIP_MASK BIT(1) #define GC2093_REG_CTRL_MODE 0x003E #define GC2093_MODE_SW_STANDBY 0x11 #define GC2093_MODE_STREAMING 0x91 #define GC2093_CHIP_ID 0x2093 #define GC2093_VTS_MAX 0x3FFF #define GC2093_HTS_MAX 0xFFF #define GC2093_EXPOSURE_MAX 0x3FFF #define GC2093_EXPOSURE_MIN 1 #define GC2093_EXPOSURE_STEP 1 #define GC2093_GAIN_MIN 0x40 #define GC2093_GAIN_MAX 0x2000 #define GC2093_GAIN_STEP 1 #define GC2093_GAIN_DEFAULT 64 #define REG_NULL 0xFFFF #define GC2093_LANES 2 static const char * const gc2093_supply_names[] = { <------>"dovdd", /* Digital I/O power */ <------>"avdd", /* Analog power */ <------>"dvdd", /* Digital power */ }; #define GC2093_NUM_SUPPLIES ARRAY_SIZE(gc2093_supply_names) #define to_gc2093(sd) container_of(sd, struct gc2093, subdev) enum { <------>LINK_FREQ_297M_INDEX, <------>LINK_FREQ_396M_INDEX, }; struct gain_reg_config { <------>u32 value; <------>u16 analog_gain; <------>u16 col_gain; <------>u16 analog_sw; <------>u16 ram_width; }; struct gc2093_mode { <------>u32 width; <------>u32 height; <------>struct v4l2_fract max_fps; <------>u32 hts_def; <------>u32 vts_def; <------>u32 exp_def; <------>u32 link_freq_index; <------>const struct reg_sequence *reg_list; <------>u32 reg_num; <------>u32 hdr_mode; <------>u32 vc[PAD_MAX]; }; struct gc2093 { <------>struct device *dev; <------>struct clk *xvclk; <------>struct regmap *regmap; <------>struct gpio_desc *reset_gpio; <------>struct gpio_desc *pwdn_gpio; <------>struct regulator_bulk_data supplies[GC2093_NUM_SUPPLIES]; <------>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 *hblank; <------>struct v4l2_ctrl *vblank; <------>struct v4l2_ctrl *h_flip; <------>struct v4l2_ctrl *v_flip; <------>struct v4l2_ctrl *link_freq; <------>struct v4l2_ctrl *pixel_rate; <------>struct mutex lock; <------>bool streaming; <------>bool power_on; <------>unsigned int cfg_num; <------>const struct gc2093_mode *cur_mode; <------>u32 module_index; <------>const char *module_facing; <------>const char *module_name; <------>const char *len_name; <------>u32 cur_vts; <------>bool has_init_exp; <------>struct preisp_hdrae_exp_s init_hdrae_exp; }; static const struct regmap_config gc2093_regmap_config = { <------>.reg_bits = 16, <------>.val_bits = 8, <------>.max_register = 0x04f0, }; static const s64 link_freq_menu_items[] = { <------>MIPI_FREQ_297M, <------>MIPI_FREQ_396M, }; /* * window size=1920*1080 mipi@2lane * mclk=27M mipi_clk=594Mbps * pixel_line_total=2200 line_frame_total=1125 * row_time=29.62us frame_rate=30fps */ static const struct reg_sequence gc2093_1080p_liner_settings[] = { <------>/* System */ <------>{0x03fe, 0x80}, <------>{0x03fe, 0x80}, <------>{0x03fe, 0x80}, <------>{0x03fe, 0x00}, <------>{0x03f2, 0x00}, <------>{0x03f3, 0x00}, <------>{0x03f4, 0x36}, <------>{0x03f5, 0xc0}, <------>{0x03f6, 0x0a}, <------>{0x03f7, 0x01}, <------>{0x03f8, 0x2c}, <------>{0x03f9, 0x10}, <------>{0x03fc, 0x8e}, <------>/* Cisctl & Analog */ <------>{0x0087, 0x18}, <------>{0x00ee, 0x30}, <------>{0x00d0, 0xb7}, <------>{0x01a0, 0x00}, <------>{0x01a4, 0x40}, <------>{0x01a5, 0x40}, <------>{0x01a6, 0x40}, <------>{0x01af, 0x09}, <------>{0x0001, 0x00}, <------>{0x0002, 0x02}, <------>{0x0003, 0x00}, <------>{0x0004, 0x02}, <------>{0x0005, 0x04}, <------>{0x0006, 0x4c}, <------>{0x0007, 0x00}, <------>{0x0008, 0x11}, <------>{0x0009, 0x00}, <------>{0x000a, 0x02}, <------>{0x000b, 0x00}, <------>{0x000c, 0x04}, <------>{0x000d, 0x04}, <------>{0x000e, 0x40}, <------>{0x000f, 0x07}, <------>{0x0010, 0x8c}, <------>{0x0013, 0x15}, <------>{0x0019, 0x0c}, <------>{0x0041, 0x04}, <------>{0x0042, 0x65}, <------>{0x0053, 0x60}, <------>{0x008d, 0x92}, <------>{0x0090, 0x00}, <------>{0x00c7, 0xe1}, <------>{0x001b, 0x73}, <------>{0x0028, 0x0d}, <------>{0x0029, 0x24}, <------>{0x002b, 0x04}, <------>{0x002e, 0x23}, <------>{0x0037, 0x03}, <------>{0x0043, 0x04}, <------>{0x0044, 0x38}, <------>{0x004a, 0x01}, <------>{0x004b, 0x28}, <------>{0x0055, 0x38}, <------>{0x006b, 0x44}, <------>{0x0077, 0x00}, <------>{0x0078, 0x20}, <------>{0x007c, 0xa1}, <------>{0x00d3, 0xd4}, <------>{0x00e6, 0x50}, <------>/* Gain */ <------>{0x00b6, 0xc0}, <------>{0x00b0, 0x60}, <------>/* Isp */ <------>{0x0102, 0x89}, <------>{0x0104, 0x01}, <------>{0x010f, 0x00}, <------>{0x0158, 0x00}, <------>{0x0123, 0x08}, <------>{0x0123, 0x00}, <------>{0x0120, 0x01}, <------>{0x0121, 0x00}, <------>{0x0122, 0x10}, <------>{0x0124, 0x03}, <------>{0x0125, 0xff}, <------>{0x0126, 0x3c}, <------>{0x001a, 0x8c}, <------>{0x00c6, 0xe0}, <------>/* Blk */ <------>{0x0026, 0x30}, <------>{0x0142, 0x00}, <------>{0x0149, 0x1e}, <------>{0x014a, 0x07}, <------>{0x014b, 0x80}, <------>{0x0155, 0x00}, <------>{0x0414, 0x78}, <------>{0x0415, 0x78}, <------>{0x0416, 0x78}, <------>{0x0417, 0x78}, <------>/* Window */ <------>{0x0192, 0x02}, <------>{0x0194, 0x03}, <------>{0x0195, 0x04}, <------>{0x0196, 0x38}, <------>{0x0197, 0x07}, <------>{0x0198, 0x80}, <------>/* MIPI */ <------>{0x019a, 0x06}, <------>{0x007b, 0x2a}, <------>{0x0023, 0x2d}, <------>{0x0201, 0x27}, <------>{0x0202, 0x56}, <------>{0x0203, 0xce}, <------>{0x0212, 0x80}, <------>{0x0213, 0x07}, <------>{0x003e, 0x91}, }; /* * window size=1920*1080 mipi@2lane * mclk=27M mipi_clk=792Mbps * pixel_line_total=2640 line_frame_total=1250 * row_time=13.33us frame_rate=60fps */ static const struct reg_sequence gc2093_1080p_hdr_settings[] = { <------>/* System */ <------>{0x03fe, 0x80}, <------>{0x03fe, 0x80}, <------>{0x03fe, 0x80}, <------>{0x03fe, 0x00}, <------>{0x03f2, 0x00}, <------>{0x03f3, 0x00}, <------>{0x03f4, 0x36}, <------>{0x03f5, 0xc0}, <------>{0x03f6, 0x0B}, <------>{0x03f7, 0x01}, <------>{0x03f8, 0x58}, <------>{0x03f9, 0x40}, <------>{0x03fc, 0x8e}, <------>/* Cisctl & Analog */ <------>{0x0087, 0x18}, <------>{0x00ee, 0x30}, <------>{0x00d0, 0xbf}, <------>{0x01a0, 0x00}, <------>{0x01a4, 0x40}, <------>{0x01a5, 0x40}, <------>{0x01a6, 0x40}, <------>{0x01af, 0x09}, <------>{0x0001, 0x00}, <------>{0x0002, 0x02}, <------>{0x0003, 0x04}, <------>{0x0004, 0x02}, <------>{0x0005, 0x02}, <------>{0x0006, 0x94}, <------>{0x0007, 0x00}, <------>{0x0008, 0x11}, <------>{0x0009, 0x00}, <------>{0x000a, 0x02}, <------>{0x000b, 0x00}, <------>{0x000c, 0x04}, <------>{0x000d, 0x04}, <------>{0x000e, 0x40}, <------>{0x000f, 0x07}, <------>{0x0010, 0x8c}, <------>{0x0013, 0x15}, <------>{0x0019, 0x0c}, <------>{0x0041, 0x04}, <------>{0x0042, 0xe2}, <------>{0x0053, 0x60}, <------>{0x008d, 0x92}, <------>{0x0090, 0x00}, <------>{0x00c7, 0xe1}, <------>{0x001b, 0x73}, <------>{0x0028, 0x0d}, <------>{0x0029, 0x24}, <------>{0x002b, 0x04}, <------>{0x002e, 0x23}, <------>{0x0037, 0x03}, <------>{0x0043, 0x04}, <------>{0x0044, 0x20}, <------>{0x004a, 0x01}, <------>{0x004b, 0x20}, <------>{0x0055, 0x30}, <------>{0x006b, 0x44}, <------>{0x0077, 0x00}, <------>{0x0078, 0x20}, <------>{0x007c, 0xa1}, <------>{0x00d3, 0xd4}, <------>{0x00e6, 0x50}, <------>/* Gain */ <------>{0x00b6, 0xc0}, <------>{0x00b0, 0x60}, <------>/* Isp */ <------>{0x0102, 0x89}, <------>{0x0104, 0x01}, <------>{0x010e, 0x01}, <------>{0x0158, 0x00}, <------>{0x0183, 0x01}, <------>{0x0187, 0x50}, <------>/* Dark sun*/ <------>{0x0123, 0x08}, <------>{0x0123, 0x00}, <------>{0x0120, 0x01}, <------>{0x0121, 0x00}, <------>{0x0122, 0x10}, <------>{0x0124, 0x03}, <------>{0x0125, 0xff}, <------>{0x0126, 0x3c}, <------>{0x001a, 0x8c}, <------>{0x00c6, 0xe0}, <------>/* Blk */ <------>{0x0026, 0x30}, <------>{0x0142, 0x00}, <------>{0x0149, 0x1e}, <------>{0x014a, 0x0f}, <------>{0x014b, 0x00}, <------>{0x0155, 0x00}, <------>{0x0414, 0x78}, <------>{0x0415, 0x78}, <------>{0x0416, 0x78}, <------>{0x0417, 0x78}, <------>{0x0454, 0x78}, <------>{0x0455, 0x78}, <------>{0x0456, 0x78}, <------>{0x0457, 0x78}, <------>{0x04e0, 0x18}, <------>/* Window */ <------>{0x0192, 0x02}, <------>{0x0194, 0x03}, <------>{0x0195, 0x04}, <------>{0x0196, 0x38}, <------>{0x0197, 0x07}, <------>{0x0198, 0x80}, <------>/* MIPI */ <------>{0x019a, 0x06}, <------>{0x007b, 0x2a}, <------>{0x0023, 0x2d}, <------>{0x0201, 0x27}, <------>{0x0202, 0x56}, <------>{0x0203, 0xb6}, <------>{0x0212, 0x80}, <------>{0x0213, 0x07}, <------>{0x0215, 0x12}, <------>{0x003e, 0x91}, <------>/* HDR En */ <------>{0x0027, 0x71}, <------>{0x0215, 0x92}, <------>{0x024d, 0x01}, }; static const struct gc2093_mode supported_modes[] = { <------>{ <------><------>.width = 1920, <------><------>.height = 1080, <------><------>.max_fps = { <------><------><------>.numerator = 10000, <------><------><------>.denominator = 300000, <------><------>}, <------><------>.exp_def = 0x460, <------><------>.hts_def = 0x898, <------><------>.vts_def = 0x465, <------><------>.link_freq_index = LINK_FREQ_297M_INDEX, <------><------>.reg_list = gc2093_1080p_liner_settings, <------><------>.reg_num = ARRAY_SIZE(gc2093_1080p_liner_settings), <------><------>.hdr_mode = NO_HDR, <------><------>.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, <------>}, <------>{ <------><------>.width = 1920, <------><------>.height = 1080, <------><------>.max_fps = { <------><------><------>.numerator = 10000, <------><------><------>.denominator = 300000, <------><------>}, <------><------>.exp_def = 0x460, <------><------>.hts_def = 0xa50, <------><------>.vts_def = 0x4e2, <------><------>.link_freq_index = LINK_FREQ_396M_INDEX, <------><------>.reg_list = gc2093_1080p_hdr_settings, <------><------>.reg_num = ARRAY_SIZE(gc2093_1080p_hdr_settings), <------><------>.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 <------>}, }; /* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */ /* * 2, to match suitable isp freq */ static u64 to_pixel_rate(u32 index) { <------>u64 pixel_rate = link_freq_menu_items[index] * 2 * GC2093_LANES * 2; <------>do_div(pixel_rate, 10); <------>return pixel_rate; } static inline int gc2093_read_reg(struct gc2093 *gc2093, u16 addr, u8 *value) { <------>unsigned int val; <------>int ret; <------>ret = regmap_read(gc2093->regmap, addr, &val); <------>if (ret) { <------><------>dev_err(gc2093->dev, "i2c read failed at addr: %x\n", addr); <------><------>return ret; <------>} <------>*value = val & 0xff; <------>return 0; } static inline int gc2093_write_reg(struct gc2093 *gc2093, u16 addr, u8 value) { <------>int ret; <------>ret = regmap_write(gc2093->regmap, addr, value); <------>if (ret) { <------><------>dev_err(gc2093->dev, "i2c write failed at addr: %x\n", addr); <------><------>return ret; <------>} <------>return ret; } static const struct gain_reg_config gain_reg_configs[] = { <------>{ 64, 0x0000, 0x0100, 0x6807, 0x00f8}, <------>{ 75, 0x0010, 0x010c, 0x6807, 0x00f8}, <------>{ 90, 0x0020, 0x011b, 0x6c08, 0x00f9}, <------>{ 105, 0x0030, 0x012c, 0x6c0a, 0x00fa}, <------>{ 122, 0x0040, 0x013f, 0x7c0b, 0x00fb}, <------>{ 142, 0x0050, 0x0216, 0x7c0d, 0x00fe}, <------>{ 167, 0x0060, 0x0235, 0x7c0e, 0x00ff}, <------>{ 193, 0x0070, 0x0316, 0x7c10, 0x0801}, <------>{ 223, 0x0080, 0x0402, 0x7c12, 0x0802}, <------>{ 257, 0x0090, 0x0431, 0x7c13, 0x0803}, <------>{ 299, 0x00a0, 0x0532, 0x7c15, 0x0805}, <------>{ 346, 0x00b0, 0x0635, 0x7c17, 0x0807}, <------>{ 397, 0x00c0, 0x0804, 0x7c18, 0x0808}, <------>{ 444, 0x005a, 0x0919, 0x7c17, 0x0807}, <------>{ 523, 0x0083, 0x0b0f, 0x7c17, 0x0807}, <------>{ 607, 0x0093, 0x0d12, 0x7c19, 0x0809}, <------>{ 700, 0x0084, 0x1000, 0x7c1b, 0x080c}, <------>{ 817, 0x0094, 0x123a, 0x7c1e, 0x080f}, <------>{1131, 0x005d, 0x1a02, 0x7c23, 0x0814}, <------>{1142, 0x009b, 0x1b20, 0x7c25, 0x0816}, <------>{1334, 0x008c, 0x200f, 0x7c27, 0x0818}, <------>{1568, 0x009c, 0x2607, 0x7c2a, 0x081b}, <------>{2195, 0x00b6, 0x3621, 0x7c32, 0x0823}, <------>{2637, 0x00ad, 0x373a, 0x7c36, 0x0827}, <------>{3121, 0x00bd, 0x3d02, 0x7c3a, 0x082b}, }; static int gc2093_set_gain(struct gc2093 *gc2093, u32 gain) { <------>int ret, i = 0; <------>u16 pre_gain = 0; <------>for (i = 0; i < ARRAY_SIZE(gain_reg_configs) - 1; i++) <------><------>if ((gain_reg_configs[i].value <= gain) && (gain < gain_reg_configs[i+1].value)) <------><------><------>break; <------>ret = gc2093_write_reg(gc2093, 0x00b4, gain_reg_configs[i].analog_gain >> 8); <------>ret |= gc2093_write_reg(gc2093, 0x00b3, gain_reg_configs[i].analog_gain & 0xff); <------>ret |= gc2093_write_reg(gc2093, 0x00b8, gain_reg_configs[i].col_gain >> 8); <------>ret |= gc2093_write_reg(gc2093, 0x00b9, gain_reg_configs[i].col_gain & 0xff); <------>ret |= gc2093_write_reg(gc2093, 0x00ce, gain_reg_configs[i].analog_sw >> 8); <------>ret |= gc2093_write_reg(gc2093, 0x00c2, gain_reg_configs[i].analog_sw & 0xff); <------>ret |= gc2093_write_reg(gc2093, 0x00cf, gain_reg_configs[i].ram_width >> 8); <------>ret |= gc2093_write_reg(gc2093, 0x00d9, gain_reg_configs[i].ram_width & 0xff); <------>pre_gain = 64 * gain / gain_reg_configs[i].value; <------>ret |= gc2093_write_reg(gc2093, 0x00b1, (pre_gain >> 6)); <------>ret |= gc2093_write_reg(gc2093, 0x00b2, ((pre_gain & 0x3f) << 2)); <------>return ret; } static int gc2093_set_ctrl(struct v4l2_ctrl *ctrl) { <------>struct gc2093 *gc2093 = container_of(ctrl->handler, <------><------><------><------><------> struct gc2093, ctrl_handler); <------>s64 max; <------>int ret = 0; <------>u32 vts = 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 = gc2093->cur_mode->height + ctrl->val - 4; <------><------>__v4l2_ctrl_modify_range(gc2093->exposure, <------><------><------><------><------> gc2093->exposure->minimum, max, <------><------><------><------><------> gc2093->exposure->step, <------><------><------><------><------> gc2093->exposure->default_value); <------><------>break; <------>} <------>if (!pm_runtime_get_if_in_use(gc2093->dev)) <------><------>return 0; <------>switch (ctrl->id) { <------>case V4L2_CID_EXPOSURE: <------><------>if (gc2093->cur_mode->hdr_mode != NO_HDR) <------><------><------>goto ctrl_end; <------><------>dev_dbg(gc2093->dev, "set exposure value 0x%x\n", ctrl->val); <------><------>ret = gc2093_write_reg(gc2093, GC2093_REG_EXP_LONG_H, <------><------><------><------> (ctrl->val >> 8) & 0x3f); <------><------>ret |= gc2093_write_reg(gc2093, GC2093_REG_EXP_LONG_L, <------><------><------><------><------>ctrl->val & 0xff); <------><------>break; <------>case V4L2_CID_ANALOGUE_GAIN: <------><------>if (gc2093->cur_mode->hdr_mode != NO_HDR) <------><------><------>goto ctrl_end; <------><------>dev_dbg(gc2093->dev, "set gain value 0x%x\n", ctrl->val); <------><------>gc2093_set_gain(gc2093, ctrl->val); <------><------>break; <------>case V4L2_CID_VBLANK: <------><------>vts = gc2093->cur_mode->height + ctrl->val; <------><------>gc2093->cur_vts = vts; <------><------>ret = gc2093_write_reg(gc2093, GC2093_REG_VTS_H, <------><------><------><------> (vts >> 8) & 0x3f); <------><------>ret |= gc2093_write_reg(gc2093, GC2093_REG_VTS_L, <------><------><------><------><------>vts & 0xff); <------><------>dev_dbg(gc2093->dev, " set blank value 0x%x\n", ctrl->val); <------><------>break; <------>case V4L2_CID_HFLIP: <------><------><------>regmap_update_bits(gc2093->regmap, GC2093_MIRROR_FLIP_REG, <------><------><------><------><------> MIRROR_MASK, ctrl->val ? MIRROR_MASK : 0); <------><------>break; <------>case V4L2_CID_VFLIP: <------><------><------>regmap_update_bits(gc2093->regmap, GC2093_MIRROR_FLIP_REG, <------><------><------><------><------> FLIP_MASK, ctrl->val ? FLIP_MASK : 0); <------><------>break; <------>default: <------><------>dev_warn(gc2093->dev, "%s Unhandled id:0x%x, val:0x%x\n", <------><------><------> __func__, ctrl->id, ctrl->val); <------><------>break; <------>} ctrl_end: <------>pm_runtime_put(gc2093->dev); <------>return ret; } static const struct v4l2_ctrl_ops gc2093_ctrl_ops = { <------>.s_ctrl = gc2093_set_ctrl, }; static int gc2093_get_regulators(struct gc2093 *gc2093) { <------>unsigned int i; <------>for (i = 0; i < GC2093_NUM_SUPPLIES; i++) <------><------>gc2093->supplies[i].supply = gc2093_supply_names[i]; <------>return devm_regulator_bulk_get(gc2093->dev, <------><------><------><------> GC2093_NUM_SUPPLIES, <------><------><------><------> gc2093->supplies); } static int gc2093_initialize_controls(struct gc2093 *gc2093) { <------>const struct gc2093_mode *mode; <------>struct v4l2_ctrl_handler *handler; <------>s64 exposure_max, vblank_def; <------>u32 h_blank; <------>int ret; <------>handler = &gc2093->ctrl_handler; <------>mode = gc2093->cur_mode; <------>ret = v4l2_ctrl_handler_init(handler, 8); <------>if (ret) <------><------>return ret; <------>handler->lock = &gc2093->lock; <------>gc2093->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, <------><------><------><------><------><------> ARRAY_SIZE(link_freq_menu_items) - 1, 0, <------><------><------><------><------><------> link_freq_menu_items); <------>gc2093->pixel_rate = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, <------><------><------><------><------> 0, to_pixel_rate(LINK_FREQ_396M_INDEX), <------><------><------><------><------> 1, to_pixel_rate(LINK_FREQ_297M_INDEX)); <------>h_blank = mode->hts_def - mode->width; <------>gc2093->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, <------><------><------><------><------> h_blank, h_blank, 1, h_blank); <------>if (gc2093->hblank) <------><------>gc2093->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; <------>vblank_def = mode->vts_def - mode->height; <------>gc2093->cur_vts = mode->vts_def; <------>gc2093->vblank = v4l2_ctrl_new_std(handler, &gc2093_ctrl_ops, <------><------><------><------><------> V4L2_CID_VBLANK, vblank_def, <------><------><------><------><------> GC2093_VTS_MAX - mode->height, <------><------><------><------><------> 1, vblank_def); <------>exposure_max = mode->vts_def - 4; <------>gc2093->exposure = v4l2_ctrl_new_std(handler, &gc2093_ctrl_ops, <------><------><------><------><------> V4L2_CID_EXPOSURE, GC2093_EXPOSURE_MIN, <------><------><------><------><------> exposure_max, GC2093_EXPOSURE_STEP, <------><------><------><------><------> mode->exp_def); <------>gc2093->anal_gain = v4l2_ctrl_new_std(handler, &gc2093_ctrl_ops, <------><------><------><------><------> V4L2_CID_ANALOGUE_GAIN, GC2093_GAIN_MIN, <------><------><------><------><------> GC2093_GAIN_MAX, GC2093_GAIN_STEP, <------><------><------><------><------> GC2093_GAIN_DEFAULT); <------>gc2093->h_flip = v4l2_ctrl_new_std(handler, &gc2093_ctrl_ops, <------><------><------><------><------> V4L2_CID_HFLIP, 0, 1, 1, 0); <------>gc2093->v_flip = v4l2_ctrl_new_std(handler, &gc2093_ctrl_ops, <------><------><------><------><------> V4L2_CID_VFLIP, 0, 1, 1, 0); <------>if (handler->error) { <------><------>ret = handler->error; <------><------>dev_err(gc2093->dev, "Failed to init controls(%d)\n", ret); <------><------>goto err_free_handler; <------>} <------>gc2093->subdev.ctrl_handler = handler; <------>gc2093->has_init_exp = false; <------>return 0; err_free_handler: <------>v4l2_ctrl_handler_free(handler); <------>return ret; } static int __gc2093_power_on(struct gc2093 *gc2093) { <------>int ret; <------>struct device *dev = gc2093->dev; <------>ret = clk_set_rate(gc2093->xvclk, GC2093_XVCLK_FREQ); <------>if (ret < 0) <------><------>dev_warn(dev, "Failed to set xvclk rate\n"); <------>if (clk_get_rate(gc2093->xvclk) != GC2093_XVCLK_FREQ) <------><------>dev_warn(dev, "xvclk mismatched, modes are based on 27MHz\n"); <------>ret = clk_prepare_enable(gc2093->xvclk); <------>if (ret < 0) { <------><------>dev_err(dev, "Failed to enable xvclk\n"); <------><------>return ret; <------>} <------>ret = regulator_bulk_enable(GC2093_NUM_SUPPLIES, gc2093->supplies); <------>if (ret < 0) { <------><------>dev_err(dev, "Failed to enable regulators\n"); <------><------>goto disable_clk; <------>} <------>if (!IS_ERR(gc2093->reset_gpio)) <------><------>gpiod_set_value_cansleep(gc2093->reset_gpio, 1); <------>usleep_range(1000, 2000); <------>if (!IS_ERR(gc2093->pwdn_gpio)) <------><------>gpiod_set_value_cansleep(gc2093->pwdn_gpio, 1); <------>if (!IS_ERR(gc2093->reset_gpio)) <------><------>gpiod_set_value_cansleep(gc2093->reset_gpio, 0); <------>usleep_range(10000, 20000); <------>return 0; disable_clk: <------>clk_disable_unprepare(gc2093->xvclk); <------>return ret; } static void __gc2093_power_off(struct gc2093 *gc2093) { <------>if (!IS_ERR(gc2093->reset_gpio)) <------><------>gpiod_set_value_cansleep(gc2093->reset_gpio, 1); <------>if (!IS_ERR(gc2093->pwdn_gpio)) <------><------>gpiod_set_value_cansleep(gc2093->pwdn_gpio, 0); <------>regulator_bulk_disable(GC2093_NUM_SUPPLIES, gc2093->supplies); <------>clk_disable_unprepare(gc2093->xvclk); } static int gc2093_check_sensor_id(struct gc2093 *gc2093) { <------>u8 id_h = 0, id_l = 0; <------>u16 id = 0; <------>int ret = 0; <------>ret = gc2093_read_reg(gc2093, GC2093_REG_CHIP_ID_H, &id_h); <------>ret |= gc2093_read_reg(gc2093, GC2093_REG_CHIP_ID_L, &id_l); <------>if (ret) { <------><------>dev_err(gc2093->dev, "Failed to read sensor id, (%d)\n", ret); <------><------>return ret; <------>} <------>id = id_h << 8 | id_l; <------>if (id != GC2093_CHIP_ID) { <------><------>dev_err(gc2093->dev, "sensor id: %04X mismatched\n", id); <------><------>return -ENODEV; <------>} <------>dev_info(gc2093->dev, "Detected GC2093 sensor\n"); <------>return 0; } static void gc2093_get_module_inf(struct gc2093 *gc2093, <------><------><------><------> struct rkmodule_inf *inf) { <------>memset(inf, 0, sizeof(*inf)); <------>strlcpy(inf->base.lens, gc2093->len_name, sizeof(inf->base.lens)); <------>strlcpy(inf->base.sensor, GC2093_NAME, sizeof(inf->base.sensor)); <------>strlcpy(inf->base.module, gc2093->module_name, sizeof(inf->base.module)); } static long gc2093_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>struct preisp_hdrae_exp_s *hdrae_exp = arg; <------>struct rkmodule_hdr_cfg *hdr_cfg; <------>long ret = 0; <------>u32 i, h, w; <------>u32 stream = 0; <------>u8 vb_h = 0, vb_l = 0; <------>u16 vb = 0, cur_vts = 0, short_exp = 0, middle_exp = 0; <------>u64 delay_us = 0; <------>u32 fps = 0; <------>switch (cmd) { <------>case PREISP_CMD_SET_HDRAE_EXP: <------><------>if (!gc2093->has_init_exp && !gc2093->streaming) { <------><------><------>gc2093->init_hdrae_exp = *hdrae_exp; <------><------><------>gc2093->has_init_exp = true; <------><------><------>dev_info(gc2093->dev, "don't streaming, record hdrae\n"); <------><------><------>break; <------><------>} <------><------>ret = gc2093_set_gain(gc2093, hdrae_exp->short_gain_reg); <------><------>if (ret) { <------><------><------>dev_err(gc2093->dev, "Failed to set gain!)\n"); <------><------><------>return ret; <------><------>} <------><------>dev_dbg(gc2093->dev, "%s exp_reg middle: 0x%x, short: 0x%x, gain 0x%x\n", <------><------><------>__func__, hdrae_exp->middle_exp_reg, <------><------><------>hdrae_exp->short_exp_reg, hdrae_exp->short_gain_reg); <------><------>// Optimize blooming effect <------><------>if (hdrae_exp->middle_exp_reg < 0x30 || hdrae_exp->short_exp_reg < 4) <------><------><------>gc2093_write_reg(gc2093, 0x0032, 0xfd); <------><------>else <------><------><------>gc2093_write_reg(gc2093, 0x0032, 0xf8); <------><------>/* hdr exp limit <------><------> * 1. max short_exp_reg < VB <------><------> * 2. short_exp_reg + middle_exp_reg < framelength <------><------> */ <------><------>/* 30FPS sample */ // if (hdrae_exp->middle_exp_reg > 1100) // hdrae_exp->middle_exp_reg = 1100; // // if (hdrae_exp->short_exp_reg > 68) // hdrae_exp->short_exp_reg = 68; <------><------>ret = gc2093_read_reg(gc2093, GC2093_REG_VB_H, &vb_h); <------><------>ret |= gc2093_read_reg(gc2093, GC2093_REG_VB_L, &vb_l); <------><------>if (ret) { <------><------><------>dev_err(gc2093->dev, "Failed to read vb data)\n"); <------><------><------>return ret; <------><------>} <------><------>vb = vb_h << 8 | vb_l; <------><------>/* max short exposure limit to 3 ms */ <------><------>if (hdrae_exp->short_exp_reg <= (vb - 8)) { <------><------><------>short_exp = hdrae_exp->short_exp_reg; <------><------>} else { <------><------><------>short_exp = vb - 8; <------><------><------>dev_err(gc2093->dev, "short exposure should be less than %d\n", <------><------><------><------>vb - 8); <------><------>} <------><------>cur_vts = gc2093->cur_vts; <------><------>dev_dbg(gc2093->dev, "%s cur_vts: 0x%x\n", __func__, cur_vts); <------><------>if (short_exp + hdrae_exp->middle_exp_reg > cur_vts) { <------><------><------>middle_exp = cur_vts - short_exp; <------><------><------>dev_err(gc2093->dev, "total exposure should be less than %d\n", <------><------><------><------>cur_vts); <------><------>} else { <------><------><------>middle_exp = hdrae_exp->middle_exp_reg; <------><------>} <------><------>dev_dbg(gc2093->dev, "%s cal exp_reg middle: 0x%x, short: 0x%x\n", <------><------><------>__func__, middle_exp, short_exp); <------><------>ret |= gc2093_write_reg(gc2093, GC2093_REG_EXP_LONG_H, <------><------><------><------><------>(middle_exp >> 8) & 0x3f); <------><------>ret |= gc2093_write_reg(gc2093, GC2093_REG_EXP_LONG_L, <------><------><------><------><------>middle_exp & 0xff); <------><------>ret |= gc2093_write_reg(gc2093, GC2093_REG_EXP_SHORT_H, <------><------><------><------><------>(short_exp >> 8) & 0x3f); <------><------>ret |= gc2093_write_reg(gc2093, GC2093_REG_EXP_SHORT_L, <------><------><------><------><------>short_exp & 0xff); <------><------>break; <------>case RKMODULE_GET_HDR_CFG: <------><------>hdr_cfg = (struct rkmodule_hdr_cfg *)arg; <------><------>hdr_cfg->esp.mode = HDR_NORMAL_VC; <------><------>hdr_cfg->hdr_mode = gc2093->cur_mode->hdr_mode; <------><------>break; <------>case RKMODULE_SET_HDR_CFG: <------><------>hdr_cfg = (struct rkmodule_hdr_cfg *)arg; <------><------>w = gc2093->cur_mode->width; <------><------>h = gc2093->cur_mode->height; <------><------>for (i = 0; i < gc2093->cfg_num; i++) { <------><------><------>if (w == supported_modes[i].width && <------><------><------>h == supported_modes[i].height && <------><------><------>supported_modes[i].hdr_mode == hdr_cfg->hdr_mode) { <------><------><------><------>gc2093->cur_mode = &supported_modes[i]; <------><------><------><------>break; <------><------><------>} <------><------>} <------><------>if (i == gc2093->cfg_num) { <------><------><------>dev_err(gc2093->dev, "not find hdr mode:%d %dx%d config\n", <------><------><------><------>hdr_cfg->hdr_mode, w, h); <------><------><------>ret = -EINVAL; <------><------>} else { <------><------><------>w = gc2093->cur_mode->hts_def - gc2093->cur_mode->width; <------><------><------>h = gc2093->cur_mode->vts_def - gc2093->cur_mode->height; <------><------><------>__v4l2_ctrl_modify_range(gc2093->hblank, w, w, 1, w); <------><------><------>__v4l2_ctrl_modify_range(gc2093->vblank, h, <------><------><------><------><------><------> GC2093_VTS_MAX - gc2093->cur_mode->height, <------><------><------><------><------><------> 1, h); <------><------><------>gc2093->cur_vts = gc2093->cur_mode->vts_def; <------><------><------>dev_info(gc2093->dev, "sensor mode: %d\n", <------><------><------><------> gc2093->cur_mode->hdr_mode); <------><------>} <------><------>break; <------>case RKMODULE_GET_MODULE_INFO: <------><------>gc2093_get_module_inf(gc2093, (struct rkmodule_inf *)arg); <------><------>break; <------>case RKMODULE_SET_QUICK_STREAM: <------><------>stream = *((u32 *)arg); <------><------>if (stream) { <------><------><------>ret = gc2093_write_reg(gc2093, GC2093_REG_CTRL_MODE, <------><------><------><------>GC2093_MODE_STREAMING); <------><------>} else { <------><------><------>ret = gc2093_write_reg(gc2093, GC2093_REG_CTRL_MODE, <------><------><------><------>GC2093_MODE_SW_STANDBY); <------><------><------>fps = gc2093->cur_mode->max_fps.denominator / <------><------><------><------> gc2093->cur_mode->max_fps.numerator; <------><------><------>delay_us = 1000000 / (gc2093->cur_mode->vts_def * fps / gc2093->cur_vts); <------><------><------>usleep_range(delay_us, delay_us + 2000); <------><------>} <------><------>break; <------>default: <------><------>ret = -ENOIOCTLCMD; <------><------>break; <------>} <------>return ret; } static int __gc2093_start_stream(struct gc2093 *gc2093) { <------>int ret; <------>ret = regmap_multi_reg_write(gc2093->regmap, <------><------><------><------> gc2093->cur_mode->reg_list, <------><------><------><------> gc2093->cur_mode->reg_num); <------>if (ret) <------><------>return ret; <------>/* Apply customized control from user */ <------>mutex_unlock(&gc2093->lock); <------>v4l2_ctrl_handler_setup(&gc2093->ctrl_handler); <------>mutex_lock(&gc2093->lock); <------>if (gc2093->has_init_exp && gc2093->cur_mode->hdr_mode != NO_HDR) { <------><------>ret = gc2093_ioctl(&gc2093->subdev, PREISP_CMD_SET_HDRAE_EXP, <------><------><------><------> &gc2093->init_hdrae_exp); <------><------>if (ret) { <------><------><------>dev_err(gc2093->dev, "init exp fail in hdr mode\n"); <------><------><------>return ret; <------><------>} <------>} <------>return gc2093_write_reg(gc2093, GC2093_REG_CTRL_MODE, <------><------><------><------>GC2093_MODE_STREAMING); } static int __gc2093_stop_stream(struct gc2093 *gc2093) { <------>gc2093->has_init_exp = false; <------>return gc2093_write_reg(gc2093, GC2093_REG_CTRL_MODE, <------><------><------><------>GC2093_MODE_SW_STANDBY); } #ifdef CONFIG_COMPAT static long gc2093_compat_ioctl32(struct v4l2_subdev *sd, <------><------><------><------> unsigned int cmd, unsigned long arg) { <------>void __user *up = compat_ptr(arg); <------>struct rkmodule_inf *inf; <------>struct rkmodule_hdr_cfg *hdr; <------>struct preisp_hdrae_exp_s *hdrae; <------>long ret = 0; <------>u32 stream = 0; <------>switch (cmd) { <------>case RKMODULE_GET_MODULE_INFO: <------><------>inf = kzalloc(sizeof(*inf), GFP_KERNEL); <------><------>if (!inf) { <------><------><------>ret = -ENOMEM; <------><------><------>return ret; <------><------>} <------><------>ret = gc2093_ioctl(sd, cmd, inf); <------><------>if (!ret) { <------><------><------>ret = copy_to_user(up, inf, sizeof(*inf)); <------><------><------>if (ret) <------><------><------><------>ret = -EFAULT; <------><------>} <------><------>kfree(inf); <------><------>break; <------>case RKMODULE_GET_HDR_CFG: <------><------>hdr = kzalloc(sizeof(*hdr), GFP_KERNEL); <------><------>if (!hdr) { <------><------><------>ret = -ENOMEM; <------><------><------>return ret; <------><------>} <------><------>ret = gc2093_ioctl(sd, cmd, hdr); <------><------>if (!ret) { <------><------><------>ret = copy_to_user(up, hdr, sizeof(*hdr)); <------><------><------>if (ret) <------><------><------><------>ret = -EFAULT; <------><------>} <------><------>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 = gc2093_ioctl(sd, cmd, hdr); <------><------>else <------><------><------>ret = -EFAULT; <------><------>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 = gc2093_ioctl(sd, cmd, hdrae); <------><------>else <------><------><------>ret = -EFAULT; <------><------>kfree(hdrae); <------><------>break; <------>case RKMODULE_SET_QUICK_STREAM: <------><------>ret = copy_from_user(&stream, up, sizeof(u32)); <------><------>if (!ret) <------><------><------>ret = gc2093_ioctl(sd, cmd, &stream); <------><------>else <------><------><------>ret = -EFAULT; <------><------>break; <------>default: <------><------>ret = -ENOIOCTLCMD; <------><------>break; <------>} <------>return ret; } #endif static int gc2093_s_stream(struct v4l2_subdev *sd, int on) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>int ret = 0; <------>unsigned int fps; <------>unsigned int delay_us; <------>fps = DIV_ROUND_CLOSEST(gc2093->cur_mode->max_fps.denominator, <------><------><------><------><------>gc2093->cur_mode->max_fps.numerator); <------>dev_info(gc2093->dev, "%s: on: %d, %dx%d@%d\n", __func__, on, <------><------><------><------>gc2093->cur_mode->width, <------><------><------><------>gc2093->cur_mode->height, <------><------><------><------>fps); <------>mutex_lock(&gc2093->lock); <------>on = !!on; <------>if (on == gc2093->streaming) <------><------>goto unlock_and_return; <------>if (on) { <------><------>ret = pm_runtime_get_sync(gc2093->dev); <------><------>if (ret < 0) { <------><------><------>pm_runtime_put_noidle(gc2093->dev); <------><------><------>goto unlock_and_return; <------><------>} <------><------>ret = __gc2093_start_stream(gc2093); <------><------>if (ret) { <------><------><------>dev_err(gc2093->dev, "Failed to start gc2093 stream\n"); <------><------><------>pm_runtime_put(gc2093->dev); <------><------><------>goto unlock_and_return; <------><------>} <------>} else { <------><------>__gc2093_stop_stream(gc2093); <------><------>/* delay to enable oneframe complete */ <------><------>delay_us = 1000 * 1000 / fps; <------><------>usleep_range(delay_us, delay_us+10); <------><------>dev_info(gc2093->dev, "%s: on: %d, sleep(%dus)\n", <------><------><------><------>__func__, on, delay_us); <------><------>pm_runtime_put(gc2093->dev); <------>} <------>gc2093->streaming = on; unlock_and_return: <------>mutex_unlock(&gc2093->lock); <------>return 0; } static int gc2093_g_frame_interval(struct v4l2_subdev *sd, <------><------><------><------> struct v4l2_subdev_frame_interval *fi) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>const struct gc2093_mode *mode = gc2093->cur_mode; <------>mutex_lock(&gc2093->lock); <------>fi->interval = mode->max_fps; <------>mutex_unlock(&gc2093->lock); <------>return 0; } static int gc2093_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id, <------><------><------><------>struct v4l2_mbus_config *config) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>u32 val = 1 << (GC2093_LANES - 1) | V4L2_MBUS_CSI2_CHANNEL_0 | <------><------> V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; <------>config->type = V4L2_MBUS_CSI2_DPHY; <------>config->flags = (gc2093->cur_mode->hdr_mode == NO_HDR) ? <------><------><------>val : (val | V4L2_MBUS_CSI2_CHANNEL_1); <------>return 0; } static int gc2093_enum_mbus_code(struct v4l2_subdev *sd, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_subdev_mbus_code_enum *code) { <------>if (code->index != 0) <------><------>return -EINVAL; <------>code->code = GC2093_MEDIA_BUS_FMT; <------>return 0; } static int gc2093_enum_frame_sizes(struct v4l2_subdev *sd, <------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------> struct v4l2_subdev_frame_size_enum *fse) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>if (fse->index >= gc2093->cfg_num) <------><------>return -EINVAL; <------>if (fse->code != GC2093_MEDIA_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 gc2093_enum_frame_interval(struct v4l2_subdev *sd, <------><------><------><------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------><------><------><------> struct v4l2_subdev_frame_interval_enum *fie) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>if (fie->index >= gc2093->cfg_num) <------><------>return -EINVAL; <------>fie->code = GC2093_MEDIA_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 int gc2093_set_fmt(struct v4l2_subdev *sd, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_format *fmt) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>const struct gc2093_mode *mode; <------>s64 h_blank, vblank_def; <------>mutex_lock(&gc2093->lock); <------>mode = v4l2_find_nearest_size(supported_modes, <------><------><------><------> ARRAY_SIZE(supported_modes), <------><------><------><------> width, height, <------><------><------><------> fmt->format.width, fmt->format.height); <------>fmt->format.code = GC2093_MEDIA_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(&gc2093->lock); <------><------>return -ENOTTY; #endif <------>} else { <------><------>gc2093->cur_mode = mode; <------><------>__v4l2_ctrl_s_ctrl(gc2093->link_freq, mode->link_freq_index); <------><------>__v4l2_ctrl_s_ctrl_int64(gc2093->pixel_rate, <------><------><------><------><------> to_pixel_rate(mode->link_freq_index)); <------><------>h_blank = mode->hts_def - mode->width; <------><------>__v4l2_ctrl_modify_range(gc2093->hblank, h_blank, <------><------><------><------><------> h_blank, 1, h_blank); <------><------>vblank_def = mode->vts_def - mode->height; <------><------>__v4l2_ctrl_modify_range(gc2093->vblank, vblank_def, <------><------><------><------><------> GC2093_VTS_MAX - mode->height, <------><------><------><------><------> 1, vblank_def); <------>} <------>mutex_unlock(&gc2093->lock); <------>return 0; } static int gc2093_get_fmt(struct v4l2_subdev *sd, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_format *fmt) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>const struct gc2093_mode *mode = gc2093->cur_mode; <------>mutex_lock(&gc2093->lock); <------>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(&gc2093->lock); <------><------>return -ENOTTY; #endif <------>} else { <------><------>fmt->format.width = mode->width; <------><------>fmt->format.height = mode->height; <------><------>fmt->format.code = GC2093_MEDIA_BUS_FMT; <------><------>fmt->format.field = V4L2_FIELD_NONE; <------><------>/* format info: width/height/data type/virctual channel */ <------><------>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(&gc2093->lock); <------>return 0; } #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static int gc2093_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>struct v4l2_mbus_framefmt *try_fmt = <------><------><------><------>v4l2_subdev_get_try_format(sd, fh->pad, 0); <------>const struct gc2093_mode *def_mode = &supported_modes[0]; <------>mutex_lock(&gc2093->lock); <------>/* Initialize try_fmt */ <------>try_fmt->width = def_mode->width; <------>try_fmt->height = def_mode->height; <------>try_fmt->code = GC2093_MEDIA_BUS_FMT; <------>try_fmt->field = V4L2_FIELD_NONE; <------>mutex_unlock(&gc2093->lock); <------>return 0; } #endif #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static const struct v4l2_subdev_internal_ops gc2093_internal_ops = { <------>.open = gc2093_open, }; #endif static int gc2093_s_power(struct v4l2_subdev *sd, int on) { <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>int ret = 0; <------>mutex_lock(&gc2093->lock); <------>if (gc2093->power_on == !!on) <------><------>goto unlock_and_return; <------>if (on) { <------><------>ret = pm_runtime_get_sync(gc2093->dev); <------><------>if (ret < 0) { <------><------><------>pm_runtime_put_noidle(gc2093->dev); <------><------><------>goto unlock_and_return; <------><------>} <------><------>gc2093->power_on = true; <------>} else { <------><------>pm_runtime_put(gc2093->dev); <------><------>gc2093->power_on = false; <------>} unlock_and_return: <------>mutex_unlock(&gc2093->lock); <------>return ret; } static const struct v4l2_subdev_core_ops gc2093_core_ops = { <------>.s_power = gc2093_s_power, <------>.ioctl = gc2093_ioctl, #ifdef CONFIG_COMPAT <------>.compat_ioctl32 = gc2093_compat_ioctl32, #endif }; static const struct v4l2_subdev_video_ops gc2093_video_ops = { <------>.s_stream = gc2093_s_stream, <------>.g_frame_interval = gc2093_g_frame_interval, }; static const struct v4l2_subdev_pad_ops gc2093_pad_ops = { <------>.enum_mbus_code = gc2093_enum_mbus_code, <------>.enum_frame_size = gc2093_enum_frame_sizes, <------>.enum_frame_interval = gc2093_enum_frame_interval, <------>.get_fmt = gc2093_get_fmt, <------>.set_fmt = gc2093_set_fmt, <------>.get_mbus_config = gc2093_g_mbus_config, }; static const struct v4l2_subdev_ops gc2093_subdev_ops = { <------>.core = &gc2093_core_ops, <------>.video = &gc2093_video_ops, <------>.pad = &gc2093_pad_ops, }; static int gc2093_runtime_resume(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>__gc2093_power_on(gc2093); <------>return 0; } static int gc2093_runtime_suspend(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>__gc2093_power_off(gc2093); <------>return 0; } static const struct dev_pm_ops gc2093_pm_ops = { <------>SET_RUNTIME_PM_OPS(gc2093_runtime_suspend, <------><------><------> gc2093_runtime_resume, NULL) }; static int gc2093_probe(struct i2c_client *client, <------><------><------> const struct i2c_device_id *id) { <------>struct device *dev = &client->dev; <------>struct device_node *node = dev->of_node; <------>struct gc2093 *gc2093; <------>struct v4l2_subdev *sd; <------>char facing[2]; <------>int ret; <------>dev_info(dev, "driver version: %02x.%02x.%02x", <------><------> DRIVER_VERSION >> 16, <------><------> (DRIVER_VERSION & 0xff00) >> 8, <------><------> DRIVER_VERSION & 0x00ff); <------>gc2093 = devm_kzalloc(dev, sizeof(*gc2093), GFP_KERNEL); <------>if (!gc2093) <------><------>return -ENOMEM; <------>gc2093->dev = dev; <------>gc2093->regmap = devm_regmap_init_i2c(client, &gc2093_regmap_config); <------>if (IS_ERR(gc2093->regmap)) { <------><------>dev_err(dev, "Failed to initialize I2C\n"); <------><------>return -ENODEV; <------>} <------>ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, <------><------><------><------> &gc2093->module_index); <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, <------><------><------><------> &gc2093->module_facing); <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, <------><------><------><------> &gc2093->module_name); <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, <------><------><------><------> &gc2093->len_name); <------>if (ret) { <------><------>dev_err(dev, "Failed to get module information\n"); <------><------>return -EINVAL; <------>} <------>gc2093->xvclk = devm_clk_get(gc2093->dev, "xvclk"); <------>if (IS_ERR(gc2093->xvclk)) { <------><------>dev_err(gc2093->dev, "Failed to get xvclk\n"); <------><------>return -EINVAL; <------>} <------>gc2093->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); <------>if (IS_ERR(gc2093->reset_gpio)) <------><------>dev_warn(dev, "Failed to get reset-gpios\n"); <------>gc2093->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_HIGH); <------>if (IS_ERR(gc2093->pwdn_gpio)) <------><------>dev_warn(dev, "Failed to get pwdn-gpios\n"); <------>ret = gc2093_get_regulators(gc2093); <------>if (ret) { <------><------>dev_err(dev, "Failed to get regulators\n"); <------><------>return ret; <------>} <------>mutex_init(&gc2093->lock); <------>/* set default mode */ <------>gc2093->cur_mode = &supported_modes[0]; <------>gc2093->cfg_num = ARRAY_SIZE(supported_modes); <------>gc2093->cur_vts = gc2093->cur_mode->vts_def; <------>sd = &gc2093->subdev; <------>v4l2_i2c_subdev_init(sd, client, &gc2093_subdev_ops); <------>ret = gc2093_initialize_controls(gc2093); <------>if (ret) <------><------>goto err_destroy_mutex; <------>ret = __gc2093_power_on(gc2093); <------>if (ret) <------><------>goto err_free_handler; <------>ret = gc2093_check_sensor_id(gc2093); <------>if (ret) <------><------>goto err_power_off; #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API <------>sd->internal_ops = &gc2093_internal_ops; <------>sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; #endif #ifdef CONFIG_MEDIA_CONTROLLER <------>gc2093->pad.flags = MEDIA_PAD_FL_SOURCE; <------>sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; <------>ret = media_entity_pads_init(&sd->entity, 1, &gc2093->pad); <------>if (ret < 0) <------><------>goto err_power_off; #endif <------>memset(facing, 0, sizeof(facing)); <------>if (strcmp(gc2093->module_facing, "back") == 0) <------><------>facing[0] = 'b'; <------>else <------><------>facing[0] = 'f'; <------>snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", <------><------> gc2093->module_index, facing, <------><------> GC2093_NAME, dev_name(sd->dev)); <------>ret = v4l2_async_register_subdev_sensor_common(sd); <------>if (ret) { <------><------>dev_err(dev, "Failed to register v4l2 async subdev\n"); <------><------>goto err_clean_entity; <------>} <------>pm_runtime_set_active(dev); <------>pm_runtime_enable(dev); <------>pm_runtime_idle(dev); <------>return 0; err_clean_entity: #ifdef CONFIG_MEDIA_CONTROLLER <------>media_entity_cleanup(&sd->entity); #endif err_power_off: <------>__gc2093_power_off(gc2093); err_free_handler: <------>v4l2_ctrl_handler_free(&gc2093->ctrl_handler); err_destroy_mutex: <------>mutex_destroy(&gc2093->lock); <------>return ret; } static int gc2093_remove(struct i2c_client *client) { <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); <------>struct gc2093 *gc2093 = to_gc2093(sd); <------>v4l2_async_unregister_subdev(sd); #ifdef CONFIG_MEDIA_CONTROLLER <------>media_entity_cleanup(&sd->entity); #endif <------>v4l2_ctrl_handler_free(&gc2093->ctrl_handler); <------>mutex_destroy(&gc2093->lock); <------>pm_runtime_disable(&client->dev); <------>if (!pm_runtime_status_suspended(&client->dev)) <------><------>__gc2093_power_off(gc2093); <------>pm_runtime_set_suspended(&client->dev); <------>return 0; } static const struct i2c_device_id gc2093_match_id[] = { <------>{ "gc2093", 0 }, <------>{ }, }; static const struct of_device_id gc2093_of_match[] = { <------>{ .compatible = "galaxycore,gc2093" }, <------>{}, }; MODULE_DEVICE_TABLE(of, gc2093_of_match); static struct i2c_driver gc2093_i2c_driver = { <------>.driver = { <------><------>.name = GC2093_NAME, <------><------>.pm = &gc2093_pm_ops, <------><------>.of_match_table = of_match_ptr(gc2093_of_match), <------>}, <------>.probe = &gc2093_probe, <------>.remove = &gc2093_remove, <------>.id_table = gc2093_match_id, }; static int __init sensor_mod_init(void) { <------>return i2c_add_driver(&gc2093_i2c_driver); } static void __exit sensor_mod_exit(void) { <------>i2c_del_driver(&gc2093_i2c_driver); } device_initcall_sync(sensor_mod_init); module_exit(sensor_mod_exit); MODULE_DESCRIPTION("Galaxycore GC2093 Image Sensor driver"); MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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