/* * Support for GalaxyCore GC2235 2M camera sensor. * * Copyright (c) 2014 Intel Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. * */ #ifndef __GC2235_H__ #define __GC2235_H__ #include #include #include #include #include #include #include #include #ifndef CONFIG_GMIN_INTEL_MID /* FIXME! for non-gmin*/ #include #endif #include #include #include #define GC2235_NAME "gc2235" /* Defines for register writes and register array processing */ #define I2C_MSG_LENGTH 0x2 #define I2C_RETRY_COUNT 5 #define GC2235_FOCAL_LENGTH_NUM 278 /*2.78mm*/ #define GC2235_FOCAL_LENGTH_DEM 100 #define GC2235_F_NUMBER_DEFAULT_NUM 26 #define GC2235_F_NUMBER_DEM 10 #define MAX_FMTS 1 /* * focal length bits definition: * bits 31-16: numerator, bits 15-0: denominator */ #define GC2235_FOCAL_LENGTH_DEFAULT 0x1160064 /* * current f-number bits definition: * bits 31-16: numerator, bits 15-0: denominator */ #define GC2235_F_NUMBER_DEFAULT 0x1a000a /* * f-number range bits definition: * bits 31-24: max f-number numerator * bits 23-16: max f-number denominator * bits 15-8: min f-number numerator * bits 7-0: min f-number denominator */ #define GC2235_F_NUMBER_RANGE 0x1a0a1a0a #define GC2235_ID 0x2235 #define GC2235_FINE_INTG_TIME_MIN 0 #define GC2235_FINE_INTG_TIME_MAX_MARGIN 0 #define GC2235_COARSE_INTG_TIME_MIN 1 #define GC2235_COARSE_INTG_TIME_MAX_MARGIN (0xffff - 6) /* * GC2235 System control registers */ /* * GC2235 System control registers */ #define GC2235_SENSOR_ID_H 0xF0 #define GC2235_SENSOR_ID_L 0xF1 #define GC2235_RESET_RELATED 0xFE #define GC2235_SW_RESET 0x8 #define GC2235_MIPI_RESET 0x3 #define GC2235_RESET_BIT 0x4 #define GC2235_REGISTER_PAGE_0 0x0 #define GC2235_REGISTER_PAGE_3 0x3 #define GC2235_V_CROP_START_H 0x91 #define GC2235_V_CROP_START_L 0x92 #define GC2235_H_CROP_START_H 0x93 #define GC2235_H_CROP_START_L 0x94 #define GC2235_V_OUTSIZE_H 0x95 #define GC2235_V_OUTSIZE_L 0x96 #define GC2235_H_OUTSIZE_H 0x97 #define GC2235_H_OUTSIZE_L 0x98 #define GC2235_HB_H 0x5 #define GC2235_HB_L 0x6 #define GC2235_VB_H 0x7 #define GC2235_VB_L 0x8 #define GC2235_SH_DELAY_H 0x11 #define GC2235_SH_DELAY_L 0x12 #define GC2235_CSI2_MODE 0x10 #define GC2235_EXPOSURE_H 0x3 #define GC2235_EXPOSURE_L 0x4 #define GC2235_GLOBAL_GAIN 0xB0 #define GC2235_PRE_GAIN 0xB1 #define GC2235_AWB_R_GAIN 0xB3 #define GC2235_AWB_G_GAIN 0xB4 #define GC2235_AWB_B_GAIN 0xB5 #define GC2235_START_STREAMING 0x91 #define GC2235_STOP_STREAMING 0x0 struct regval_list { u16 reg_num; u8 value; }; struct gc2235_resolution { u8 *desc; const struct gc2235_reg *regs; int res; int width; int height; int fps; int pix_clk_freq; u32 skip_frames; u16 pixels_per_line; u16 lines_per_frame; u8 bin_factor_x; u8 bin_factor_y; u8 bin_mode; bool used; }; struct gc2235_format { u8 *desc; u32 pixelformat; struct gc2235_reg *regs; }; struct gc2235_control { struct v4l2_queryctrl qc; int (*query)(struct v4l2_subdev *sd, s32 *value); int (*tweak)(struct v4l2_subdev *sd, s32 value); }; /* * gc2235 device structure. */ struct gc2235_device { struct v4l2_subdev sd; struct media_pad pad; struct v4l2_mbus_framefmt format; struct mutex input_lock; struct camera_sensor_platform_data *platform_data; int vt_pix_clk_freq_mhz; int fmt_idx; int run_mode; u8 res; u8 type; }; enum gc2235_tok_type { GC2235_8BIT = 0x0001, GC2235_16BIT = 0x0002, GC2235_32BIT = 0x0004, GC2235_TOK_TERM = 0xf000, /* terminating token for reg list */ GC2235_TOK_DELAY = 0xfe00, /* delay token for reg list */ GC2235_TOK_MASK = 0xfff0 }; /** * struct gc2235_reg - MI sensor register format * @type: type of the register * @reg: 8-bit offset to register * @val: 8/16/32-bit register value * * Define a structure for sensor register initialization values */ struct gc2235_reg { enum gc2235_tok_type type; u8 reg; u32 val; /* @set value for read/mod/write, @mask */ }; #define to_gc2235_sensor(x) container_of(x, struct gc2235_device, sd) #define GC2235_MAX_WRITE_BUF_SIZE 30 struct gc2235_write_buffer { u8 addr; u8 data[GC2235_MAX_WRITE_BUF_SIZE]; }; struct gc2235_write_ctrl { int index; struct gc2235_write_buffer buffer; }; static const struct i2c_device_id gc2235_id[] = { {GC2235_NAME, 0}, {} }; static struct gc2235_reg const gc2235_stream_on[] = { { GC2235_8BIT, 0xfe, 0x03}, /* switch to P3 */ { GC2235_8BIT, 0x10, 0x91}, /* start mipi */ { GC2235_8BIT, 0xfe, 0x00}, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; static struct gc2235_reg const gc2235_stream_off[] = { { GC2235_8BIT, 0xfe, 0x03}, /* switch to P3 */ { GC2235_8BIT, 0x10, 0x81}, /* stop mipi */ { GC2235_8BIT, 0xfe, 0x00}, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; static struct gc2235_reg const gc2235_init_settings[] = { /* Sysytem */ { GC2235_8BIT, 0xfe, 0x80 }, { GC2235_8BIT, 0xfe, 0x80 }, { GC2235_8BIT, 0xfe, 0x80 }, { GC2235_8BIT, 0xf2, 0x00 }, { GC2235_8BIT, 0xf6, 0x00 }, { GC2235_8BIT, 0xfc, 0x06 }, { GC2235_8BIT, 0xf7, 0x15 }, { GC2235_8BIT, 0xf8, 0x85 }, { GC2235_8BIT, 0xf9, 0xfe }, { GC2235_8BIT, 0xfa, 0x00 }, { GC2235_8BIT, 0xfe, 0x00 }, /* Analog & cisctl */ { GC2235_8BIT, 0x03, 0x04 }, { GC2235_8BIT, 0x04, 0x9e }, { GC2235_8BIT, 0x05, 0x00 }, { GC2235_8BIT, 0x06, 0xf4 }, { GC2235_8BIT, 0x07, 0x00 }, { GC2235_8BIT, 0x08, 0x88 }, { GC2235_8BIT, 0x0a, 0x00 }, /* row start */ { GC2235_8BIT, 0x0c, 0x00 }, /* col start */ { GC2235_8BIT, 0x0d, 0x04 }, /* win height 1232 */ { GC2235_8BIT, 0x0e, 0xd0 }, { GC2235_8BIT, 0x0f, 0x06 }, /* win width: 1616 */ { GC2235_8BIT, 0x10, 0x60 }, { GC2235_8BIT, 0x17, 0x15 }, /* mirror flip */ { GC2235_8BIT, 0x18, 0x12 }, { GC2235_8BIT, 0x19, 0x06 }, { GC2235_8BIT, 0x1a, 0x01 }, { GC2235_8BIT, 0x1b, 0x4d }, { GC2235_8BIT, 0x1e, 0x88 }, { GC2235_8BIT, 0x1f, 0x48 }, { GC2235_8BIT, 0x20, 0x03 }, { GC2235_8BIT, 0x21, 0x7f }, { GC2235_8BIT, 0x22, 0x83 }, { GC2235_8BIT, 0x23, 0x42 }, { GC2235_8BIT, 0x24, 0x16 }, { GC2235_8BIT, 0x26, 0x01 }, /*analog gain*/ { GC2235_8BIT, 0x27, 0x30 }, { GC2235_8BIT, 0x3f, 0x00 }, /* PRC */ /* blk */ { GC2235_8BIT, 0x40, 0x03 }, { GC2235_8BIT, 0x41, 0x00 }, { GC2235_8BIT, 0x43, 0x20 }, { GC2235_8BIT, 0x5e, 0x00 }, { GC2235_8BIT, 0x5f, 0x00 }, { GC2235_8BIT, 0x60, 0x00 }, { GC2235_8BIT, 0x61, 0x00 }, { GC2235_8BIT, 0x62, 0x00 }, { GC2235_8BIT, 0x63, 0x00 }, { GC2235_8BIT, 0x64, 0x00 }, { GC2235_8BIT, 0x65, 0x00 }, { GC2235_8BIT, 0x66, 0x20 }, { GC2235_8BIT, 0x67, 0x20 }, { GC2235_8BIT, 0x68, 0x20 }, { GC2235_8BIT, 0x69, 0x20 }, /* Gain */ { GC2235_8BIT, 0xb2, 0x00 }, { GC2235_8BIT, 0xb3, 0x40 }, { GC2235_8BIT, 0xb4, 0x40 }, { GC2235_8BIT, 0xb5, 0x40 }, /* Dark sun */ { GC2235_8BIT, 0xbc, 0x00 }, { GC2235_8BIT, 0xfe, 0x03 }, { GC2235_8BIT, 0x10, 0x81 }, /* disable mipi */ { GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; /* * Register settings for various resolution */ static struct gc2235_reg const gc2235_1616_916_30fps[] = { { GC2235_8BIT, 0x8b, 0xa0 }, { GC2235_8BIT, 0x8c, 0x02 }, { GC2235_8BIT, 0x90, 0x01 }, { GC2235_8BIT, 0x92, 0x96 }, { GC2235_8BIT, 0x94, 0x00 }, { GC2235_8BIT, 0x95, 0x03 }, /* crop win height 900 */ { GC2235_8BIT, 0x96, 0x94 }, { GC2235_8BIT, 0x97, 0x06 }, /* crop win width 1600 */ { GC2235_8BIT, 0x98, 0x50 }, /* mimi init */ { GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */ { GC2235_8BIT, 0x01, 0x07 }, { GC2235_8BIT, 0x02, 0x11 }, { GC2235_8BIT, 0x03, 0x11 }, { GC2235_8BIT, 0x06, 0x80 }, { GC2235_8BIT, 0x11, 0x2b }, /* set mipi buffer */ { GC2235_8BIT, 0x12, 0xe4 }, /* val_low = (width * 10 / 8) & 0xFF */ { GC2235_8BIT, 0x13, 0x07 }, /* val_high = (width * 10 / 8) >> 8 */ { GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/ { GC2235_8BIT, 0x04, 0x20 }, { GC2235_8BIT, 0x05, 0x00 }, { GC2235_8BIT, 0x17, 0x01 }, { GC2235_8BIT, 0x21, 0x01 }, { GC2235_8BIT, 0x22, 0x02 }, { GC2235_8BIT, 0x23, 0x01 }, { GC2235_8BIT, 0x29, 0x02 }, { GC2235_8BIT, 0x2a, 0x01 }, { GC2235_8BIT, 0x10, 0x81 }, /* disable mipi */ { GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; static struct gc2235_reg const gc2235_1616_1082_30fps[] = { { GC2235_8BIT, 0x8b, 0xa0 }, { GC2235_8BIT, 0x8c, 0x02 }, { GC2235_8BIT, 0x90, 0x01 }, { GC2235_8BIT, 0x92, 0x4a }, { GC2235_8BIT, 0x94, 0x00 }, { GC2235_8BIT, 0x95, 0x04 }, /* crop win height 1082 */ { GC2235_8BIT, 0x96, 0x3a }, { GC2235_8BIT, 0x97, 0x06 }, /* crop win width 1616 */ { GC2235_8BIT, 0x98, 0x50 }, /* mimi init */ { GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */ { GC2235_8BIT, 0x01, 0x07 }, { GC2235_8BIT, 0x02, 0x11 }, { GC2235_8BIT, 0x03, 0x11 }, { GC2235_8BIT, 0x06, 0x80 }, { GC2235_8BIT, 0x11, 0x2b }, /* set mipi buffer */ { GC2235_8BIT, 0x12, 0xe4 }, /* val_low = (width * 10 / 8) & 0xFF */ { GC2235_8BIT, 0x13, 0x07 }, /* val_high = (width * 10 / 8) >> 8 */ { GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/ { GC2235_8BIT, 0x04, 0x20 }, { GC2235_8BIT, 0x05, 0x00 }, { GC2235_8BIT, 0x17, 0x01 }, { GC2235_8BIT, 0x21, 0x01 }, { GC2235_8BIT, 0x22, 0x02 }, { GC2235_8BIT, 0x23, 0x01 }, { GC2235_8BIT, 0x29, 0x02 }, { GC2235_8BIT, 0x2a, 0x01 }, { GC2235_8BIT, 0x10, 0x81 }, /* disable mipi */ { GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; static struct gc2235_reg const gc2235_1616_1216_30fps[] = { { GC2235_8BIT, 0x8b, 0xa0 }, { GC2235_8BIT, 0x8c, 0x02 }, { GC2235_8BIT, 0x90, 0x01 }, { GC2235_8BIT, 0x92, 0x02 }, { GC2235_8BIT, 0x94, 0x00 }, { GC2235_8BIT, 0x95, 0x04 }, /* crop win height 1216 */ { GC2235_8BIT, 0x96, 0xc0 }, { GC2235_8BIT, 0x97, 0x06 }, /* crop win width 1616 */ { GC2235_8BIT, 0x98, 0x50 }, /* mimi init */ { GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */ { GC2235_8BIT, 0x01, 0x07 }, { GC2235_8BIT, 0x02, 0x11 }, { GC2235_8BIT, 0x03, 0x11 }, { GC2235_8BIT, 0x06, 0x80 }, { GC2235_8BIT, 0x11, 0x2b }, /* set mipi buffer */ { GC2235_8BIT, 0x12, 0xe4 }, /* val_low = (width * 10 / 8) & 0xFF */ { GC2235_8BIT, 0x13, 0x07 }, /* val_high = (width * 10 / 8) >> 8 */ { GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/ { GC2235_8BIT, 0x04, 0x20 }, { GC2235_8BIT, 0x05, 0x00 }, { GC2235_8BIT, 0x17, 0x01 }, { GC2235_8BIT, 0x21, 0x01 }, { GC2235_8BIT, 0x22, 0x02 }, { GC2235_8BIT, 0x23, 0x01 }, { GC2235_8BIT, 0x29, 0x02 }, { GC2235_8BIT, 0x2a, 0x01 }, { GC2235_8BIT, 0x10, 0x81 }, /* disable mipi */ { GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; struct gc2235_resolution gc2235_res_preview[] = { { .desc = "gc2235_1600_900_30fps", .width = 1616, .height = 916, .pix_clk_freq = 75, .fps = 30, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 932, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_916_30fps, }, { .desc = "gc2235_1600_1066_30fps", .width = 1616, .height = 1082, .pix_clk_freq = 75, .fps = 30, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 1098, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_1082_30fps, }, { .desc = "gc2235_1600_1200_30fps", .width = 1616, .height = 1216, .pix_clk_freq = 75, .fps = 27, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 1232, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_1216_30fps, }, }; #define N_RES_PREVIEW (ARRAY_SIZE(gc2235_res_preview)) struct gc2235_resolution gc2235_res_still[] = { { .desc = "gc2235_1600_900_30fps", .width = 1616, .height = 916, .pix_clk_freq = 75, .fps = 30, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 932, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_916_30fps, }, { .desc = "gc2235_1600_1066_30fps", .width = 1616, .height = 1082, .pix_clk_freq = 75, .fps = 30, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 1098, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_1082_30fps, }, { .desc = "gc2235_1600_1200_30fps", .width = 1616, .height = 1216, .pix_clk_freq = 75, .fps = 27, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 1232, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_1216_30fps, }, }; #define N_RES_STILL (ARRAY_SIZE(gc2235_res_still)) struct gc2235_resolution gc2235_res_video[] = { { .desc = "gc2235_1600_900_30fps", .width = 1616, .height = 916, .pix_clk_freq = 75, .fps = 30, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 932, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_916_30fps, }, { .desc = "gc2235_1600_1066_30fps", .width = 1616, .height = 1082, .pix_clk_freq = 75, .fps = 30, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 1098, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_1082_30fps, }, { .desc = "gc2235_1600_1200_30fps", .width = 1616, .height = 1216, .pix_clk_freq = 75, .fps = 27, .used = 0, .pixels_per_line = 1616, .lines_per_frame = 1232, .bin_factor_x = 0, .bin_factor_y = 0, .bin_mode = 0, .skip_frames = 3, .regs = gc2235_1616_1216_30fps, }, }; #define N_RES_VIDEO (ARRAY_SIZE(gc2235_res_video)) static struct gc2235_resolution *gc2235_res = gc2235_res_preview; static int N_RES = N_RES_PREVIEW; #endif