/* SPDX-License-Identifier: GPL-2.0 */ /* * 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. * */ #ifndef __GC2235_H__ #define __GC2235_H__ #include <linux/kernel.h> #include <linux/types.h> #include <linux/i2c.h> #include <linux/delay.h> #include <linux/videodev2.h> #include <linux/spinlock.h> #include <media/v4l2-subdev.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #include <linux/v4l2-mediabus.h> #include <media/media-entity.h> #include "../include/linux/atomisp_platform.h" /* * FIXME: non-preview resolutions are currently broken */ #define ENABLE_NON_PREVIEW … /* Defines for register writes and register array processing */ #define I2C_MSG_LENGTH … #define I2C_RETRY_COUNT … #define GC2235_FOCAL_LENGTH_NUM … #define MAX_FMTS … /* * focal length bits definition: * bits 31-16: numerator, bits 15-0: denominator */ #define GC2235_FOCAL_LENGTH_DEFAULT … /* * current f-number bits definition: * bits 31-16: numerator, bits 15-0: denominator */ #define GC2235_F_NUMBER_DEFAULT … /* * 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 … #define GC2235_ID … #define GC2235_FINE_INTG_TIME_MIN … #define GC2235_FINE_INTG_TIME_MAX_MARGIN … #define GC2235_COARSE_INTG_TIME_MIN … #define GC2235_COARSE_INTG_TIME_MAX_MARGIN … /* * GC2235 System control registers */ #define GC2235_SENSOR_ID_H … #define GC2235_SENSOR_ID_L … #define GC2235_RESET_RELATED … #define GC2235_SW_RESET … #define GC2235_MIPI_RESET … #define GC2235_RESET_BIT … #define GC2235_REGISTER_PAGE_0 … #define GC2235_REGISTER_PAGE_3 … #define GC2235_V_CROP_START_H … #define GC2235_V_CROP_START_L … #define GC2235_H_CROP_START_H … #define GC2235_H_CROP_START_L … #define GC2235_V_OUTSIZE_H … #define GC2235_V_OUTSIZE_L … #define GC2235_H_OUTSIZE_H … #define GC2235_H_OUTSIZE_L … #define GC2235_HB_H … #define GC2235_HB_L … #define GC2235_VB_H … #define GC2235_VB_L … #define GC2235_SH_DELAY_H … #define GC2235_SH_DELAY_L … #define GC2235_CSI2_MODE … #define GC2235_EXPOSURE_H … #define GC2235_EXPOSURE_L … #define GC2235_GLOBAL_GAIN … #define GC2235_PRE_GAIN … #define GC2235_AWB_R_GAIN … #define GC2235_AWB_G_GAIN … #define GC2235_AWB_B_GAIN … #define GC2235_START_STREAMING … #define GC2235_STOP_STREAMING … struct regval_list { … }; struct gc2235_resolution { … }; struct gc2235_format { … }; /* * gc2235 device structure. */ struct gc2235_device { … }; enum gc2235_tok_type { … }; /* * 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 { … }; #define to_gc2235_sensor(x) … #define GC2235_MAX_WRITE_BUF_SIZE … struct gc2235_write_buffer { … }; struct gc2235_write_ctrl { … }; static struct gc2235_reg const gc2235_stream_on[] = …; static struct gc2235_reg const gc2235_stream_off[] = …; static struct gc2235_reg const gc2235_init_settings[] = …; /* * Register settings for various resolution */ #if ENABLE_NON_PREVIEW static struct gc2235_reg const gc2235_1296_736_30fps[] = { { GC2235_8BIT, 0x8b, 0xa0 }, { GC2235_8BIT, 0x8c, 0x02 }, { GC2235_8BIT, 0x07, 0x01 }, /* VBI */ { GC2235_8BIT, 0x08, 0x44 }, { GC2235_8BIT, 0x09, 0x00 }, /* row start */ { GC2235_8BIT, 0x0a, 0xf0 }, { GC2235_8BIT, 0x0b, 0x00 }, /* col start */ { GC2235_8BIT, 0x0c, 0xa0 }, { GC2235_8BIT, 0x0d, 0x02 }, /* win height 736 */ { GC2235_8BIT, 0x0e, 0xf0 }, { GC2235_8BIT, 0x0f, 0x05 }, /* win width: 1296 */ { GC2235_8BIT, 0x10, 0x20 }, { GC2235_8BIT, 0x90, 0x01 }, { GC2235_8BIT, 0x92, 0x08 }, { GC2235_8BIT, 0x94, 0x08 }, { GC2235_8BIT, 0x95, 0x02 }, /* crop win height 736 */ { GC2235_8BIT, 0x96, 0xe0 }, { GC2235_8BIT, 0x97, 0x05 }, /* crop win width 1296 */ { GC2235_8BIT, 0x98, 0x10 }, /* 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, 0x54 }, /* val_low = (width * 10 / 8) & 0xFF */ { GC2235_8BIT, 0x13, 0x06 }, /* val_high = (width * 10 / 8) >> 8 */ { GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/ { GC2235_8BIT, 0x04, 0x10 }, { GC2235_8BIT, 0x05, 0x00 }, { GC2235_8BIT, 0x17, 0x01 }, { GC2235_8BIT, 0x22, 0x01 }, { GC2235_8BIT, 0x23, 0x05 }, { GC2235_8BIT, 0x24, 0x10 }, { GC2235_8BIT, 0x25, 0x10 }, { GC2235_8BIT, 0x26, 0x02 }, { GC2235_8BIT, 0x21, 0x10 }, { GC2235_8BIT, 0x29, 0x01 }, { GC2235_8BIT, 0x2a, 0x02 }, { GC2235_8BIT, 0x2b, 0x02 }, { GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */ { GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; static struct gc2235_reg const gc2235_960_640_30fps[] = { { GC2235_8BIT, 0x8b, 0xa0 }, { GC2235_8BIT, 0x8c, 0x02 }, { GC2235_8BIT, 0x07, 0x02 }, /* VBI */ { GC2235_8BIT, 0x08, 0xA4 }, { GC2235_8BIT, 0x09, 0x01 }, /* row start */ { GC2235_8BIT, 0x0a, 0x18 }, { GC2235_8BIT, 0x0b, 0x01 }, /* col start */ { GC2235_8BIT, 0x0c, 0x40 }, { GC2235_8BIT, 0x0d, 0x02 }, /* win height 656 */ { GC2235_8BIT, 0x0e, 0x90 }, { GC2235_8BIT, 0x0f, 0x03 }, /* win width: 976 */ { GC2235_8BIT, 0x10, 0xd0 }, { GC2235_8BIT, 0x90, 0x01 }, { GC2235_8BIT, 0x92, 0x02 }, { GC2235_8BIT, 0x94, 0x06 }, { GC2235_8BIT, 0x95, 0x02 }, /* crop win height 640 */ { GC2235_8BIT, 0x96, 0x80 }, { GC2235_8BIT, 0x97, 0x03 }, /* crop win width 960 */ { GC2235_8BIT, 0x98, 0xc0 }, /* mimp 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, 0xb0 }, /* val_low = (width * 10 / 8) & 0xFF */ { GC2235_8BIT, 0x13, 0x04 }, /* val_high = (width * 10 / 8) >> 8 */ { GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/ { GC2235_8BIT, 0x04, 0x10 }, { GC2235_8BIT, 0x05, 0x00 }, { GC2235_8BIT, 0x17, 0x01 }, { GC2235_8BIT, 0x22, 0x01 }, { GC2235_8BIT, 0x23, 0x05 }, { GC2235_8BIT, 0x24, 0x10 }, { GC2235_8BIT, 0x25, 0x10 }, { GC2235_8BIT, 0x26, 0x02 }, { GC2235_8BIT, 0x21, 0x10 }, { GC2235_8BIT, 0x29, 0x01 }, { GC2235_8BIT, 0x2a, 0x02 }, { GC2235_8BIT, 0x2b, 0x02 }, { GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */ { GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */ { GC2235_TOK_TERM, 0, 0 } }; #endif static struct gc2235_reg const gc2235_1600_900_30fps[] = …; static struct gc2235_reg const gc2235_1616_1082_30fps[] = …; static struct gc2235_reg const gc2235_1616_1216_30fps[] = …; static struct gc2235_resolution gc2235_res_preview[] = …; #define N_RES_PREVIEW … /* * Disable non-preview configurations until the configuration selection is * improved. */ #if ENABLE_NON_PREVIEW static struct gc2235_resolution gc2235_res_still[] = { { .desc = "gc2235_1600_900_30fps", .width = 1600, .height = 900, .pix_clk_freq = 30, .fps = 30, .used = 0, .pixels_per_line = 2132, .lines_per_frame = 1068, .skip_frames = 3, .regs = gc2235_1600_900_30fps, }, { .desc = "gc2235_1600_1066_30fps", .width = 1616, .height = 1082, .pix_clk_freq = 30, .fps = 30, .used = 0, .pixels_per_line = 2132, .lines_per_frame = 1368, .skip_frames = 3, .regs = gc2235_1616_1082_30fps, }, { .desc = "gc2235_1600_1200_30fps", .width = 1616, .height = 1216, .pix_clk_freq = 30, .fps = 30, .used = 0, .pixels_per_line = 2132, .lines_per_frame = 1368, .skip_frames = 3, .regs = gc2235_1616_1216_30fps, }, }; #define N_RES_STILL … static struct gc2235_resolution gc2235_res_video[] = { { .desc = "gc2235_1296_736_30fps", .width = 1296, .height = 736, .pix_clk_freq = 30, .fps = 30, .used = 0, .pixels_per_line = 1828, .lines_per_frame = 888, .skip_frames = 3, .regs = gc2235_1296_736_30fps, }, { .desc = "gc2235_960_640_30fps", .width = 960, .height = 640, .pix_clk_freq = 30, .fps = 30, .used = 0, .pixels_per_line = 1492, .lines_per_frame = 792, .skip_frames = 3, .regs = gc2235_960_640_30fps, }, }; #define N_RES_VIDEO … #endif static struct gc2235_resolution *gc2235_res = …; static unsigned long N_RES = …; #endif
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