android_kernel_modules_leno.../camera/drivers/media/i2c/gc2235.h

559 lines
14 KiB
C

/*
* 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 <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>
#ifndef CONFIG_GMIN_INTEL_MID /* FIXME! for non-gmin*/
#include <media/v4l2-chip-ident.h>
#endif
#include <linux/v4l2-mediabus.h>
#include <media/media-entity.h>
#include <linux/atomisp_platform.h>
#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