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M7350/kernel/drivers/media/platform/msm/camera_v1/ov5647.c
T f9cc65cfda M7350v1_en_gpl
2024-09-09 08:52:07 +00:00

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/* Copyright (c) 2012, The Linux Foundation. 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 and
* only 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.
*/
#include <linux/delay.h>
#include <linux/debugfs.h>
#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/uaccess.h>
#include <linux/miscdevice.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/bitops.h>
#include <linux/leds.h>
#include <mach/camera.h>
#include <media/msm_camera.h>
#include "ov5647.h"
/* 16bit address - 8 bit context register structure */
#define Q8 0x00000100
#define Q10 0x00000400
#define REG_OV5647_GAIN_MSB 0x350A
#define REG_OV5647_GAIN_LSB 0x350B
#define REG_OV5647_LINE_HSB 0x3500
#define REG_OV5647_LINE_MSB 0x3501
#define REG_OV5647_LINE_LSB 0x3502
/* MCLK */
#define OV5647_MASTER_CLK_RATE 24000000
/* AF Total steps parameters */
#define OV5647_TOTAL_STEPS_NEAR_TO_FAR 32
#define OV5647_REG_PREV_FRAME_LEN_1 31
#define OV5647_REG_PREV_FRAME_LEN_2 32
#define OV5647_REG_PREV_LINE_LEN_1 33
#define OV5647_REG_PREV_LINE_LEN_2 34
#define OV5647_REG_SNAP_FRAME_LEN_1 15
#define OV5647_REG_SNAP_FRAME_LEN_2 16
#define OV5647_REG_SNAP_LINE_LEN_1 17
#define OV5647_REG_SNAP_LINE_LEN_2 18
#define MSB 1
#define LSB 0
/* Debug switch */
#ifdef CDBG
#undef CDBG
#endif
#ifdef CDBG_HIGH
#undef CDBG_HIGH
#endif
/*#define OV5647_VERBOSE_DGB*/
#ifdef OV5647_VERBOSE_DGB
#define CDBG(fmt, args...) pr_debug(fmt, ##args)
#define CDBG_HIGH(fmt, args...) pr_debug(fmt, ##args)
#else
#define CDBG(fmt, args...) do { } while (0)
#define CDBG_HIGH(fmt, args...) pr_debug(fmt, ##args)
#endif
/*for debug*/
#ifdef CDBG
#undef CDBG
#endif
#define CDBG(fmt, args...) printk(fmt, ##args)
static uint8_t mode_mask = 0x09;
struct ov5647_work_t {
struct work_struct work;
};
static struct ov5647_work_t *ov5647_sensorw;
static struct ov5647_work_t *ov5647_af_sensorw;
static struct i2c_client *ov5647_af_client;
static struct i2c_client *ov5647_client;
struct ov5647_ctrl_t {
const struct msm_camera_sensor_info *sensordata;
uint32_t sensormode;
uint32_t fps_divider;/* init to 1 * 0x00000400 */
uint32_t pict_fps_divider;/* init to 1 * 0x00000400 */
uint16_t fps;
uint16_t curr_lens_pos;
uint16_t curr_step_pos;
uint16_t my_reg_gain;
uint32_t my_reg_line_count;
uint16_t total_lines_per_frame;
enum ov5647_resolution_t prev_res;
enum ov5647_resolution_t pict_res;
enum ov5647_resolution_t curr_res;
enum ov5647_test_mode_t set_test;
};
static bool CSI_CONFIG;
static struct ov5647_ctrl_t *ov5647_ctrl;
static DECLARE_WAIT_QUEUE_HEAD(ov5647_wait_queue);
static DECLARE_WAIT_QUEUE_HEAD(ov5647_af_wait_queue);
DEFINE_MUTEX(ov5647_mut);
static uint16_t prev_line_length_pck;
static uint16_t prev_frame_length_lines;
static uint16_t snap_line_length_pck;
static uint16_t snap_frame_length_lines;
static int ov5647_i2c_rxdata(unsigned short saddr,
unsigned char *rxdata, int length)
{
struct i2c_msg msgs[] = {
{
.addr = saddr,
.flags = 0,
.len = 2,
.buf = rxdata,
},
{
.addr = saddr,
.flags = I2C_M_RD,
.len = 1,
.buf = rxdata,
},
};
if (i2c_transfer(ov5647_client->adapter, msgs, 2) < 0) {
CDBG("ov5647_i2c_rxdata faild 0x%x\n", saddr);
return -EIO;
}
return 0;
}
static int32_t ov5647_i2c_txdata(unsigned short saddr,
unsigned char *txdata, int length)
{
struct i2c_msg msg[] = {
{
.addr = saddr,
.flags = 0,
.len = length,
.buf = txdata,
},
};
if (i2c_transfer(ov5647_client->adapter, msg, 1) < 0) {
CDBG("ov5647_i2c_txdata faild 0x%x\n", saddr);
return -EIO;
}
return 0;
}
static int32_t ov5647_i2c_read(unsigned short raddr,
unsigned short *rdata)
{
int32_t rc = 0;
unsigned char buf[2];
if (!rdata)
return -EIO;
CDBG("%s:saddr:0x%x raddr:0x%x data:0x%x",
__func__, ov5647_client->addr, raddr, *rdata);
memset(buf, 0, sizeof(buf));
buf[0] = (raddr & 0xFF00) >> 8;
buf[1] = (raddr & 0x00FF);
rc = ov5647_i2c_rxdata(ov5647_client->addr >> 1, buf, 1);
if (rc < 0) {
CDBG("ov5647_i2c_read 0x%x failed!\n", raddr);
return rc;
}
*rdata = buf[0];
CDBG("ov5647_i2c_read 0x%x val = 0x%x!\n", raddr, *rdata);
return rc;
}
static int32_t ov5647_i2c_write_b_sensor(unsigned short waddr, uint8_t bdata)
{
int32_t rc = -EFAULT;
unsigned char buf[3];
memset(buf, 0, sizeof(buf));
buf[0] = (waddr & 0xFF00) >> 8;
buf[1] = (waddr & 0x00FF);
buf[2] = bdata;
CDBG("i2c_write_b addr = 0x%x, val = 0x%x\n", waddr, bdata);
rc = ov5647_i2c_txdata(ov5647_client->addr >> 1, buf, 3);
if (rc < 0) {
pr_err("i2c_write_b failed, addr = 0x%x, val = 0x%x!\n",
waddr, bdata);
}
return rc;
}
static int32_t ov5647_i2c_write_b_table(struct ov5647_i2c_reg_conf const
*reg_conf_tbl, int num)
{
int i;
int32_t rc = -EIO;
for (i = 0; i < num; i++) {
rc = ov5647_i2c_write_b_sensor(reg_conf_tbl->waddr,
reg_conf_tbl->wdata);
if (rc < 0)
break;
reg_conf_tbl++;
}
return rc;
}
static int32_t ov5647_af_i2c_txdata(unsigned short saddr,
unsigned char *txdata, int length)
{
struct i2c_msg msg[] = {
{
.addr = saddr,
.flags = 0,
.len = length,
.buf = txdata,
},
};
if (i2c_transfer(ov5647_af_client->adapter, msg, 1) < 0) {
pr_err("ov5647_af_i2c_txdata faild 0x%x\n", saddr);
return -EIO;
}
return 0;
}
static int32_t ov5647_af_i2c_write_b_sensor(uint8_t waddr, uint8_t bdata)
{
int32_t rc = -EFAULT;
unsigned char buf[2];
memset(buf, 0, sizeof(buf));
buf[0] = waddr;
buf[1] = bdata;
CDBG("i2c_write_b addr = 0x%x, val = 0x%x\n", waddr, bdata);
rc = ov5647_af_i2c_txdata(ov5647_af_client->addr, buf, 2);
if (rc < 0) {
pr_err("i2c_write_b failed, addr = 0x%x, val = 0x%x!\n",
waddr, bdata);
}
return rc;
}
static void ov5647_start_stream(void)
{
CDBG("CAMERA_DBG: 0x4202 0x0, stream on...\r\n");
ov5647_i2c_write_b_sensor(0x4202, 0x00);/* streaming on */
}
static void ov5647_stop_stream(void)
{
CDBG("CAMERA_DBG: 0x4202 0xf, stream off...\r\n");
ov5647_i2c_write_b_sensor(0x4202, 0x0f);/* streaming off */
}
static void ov5647_group_hold_on(void)
{
ov5647_i2c_write_b_sensor(0x0104, 0x01);
}
static void ov5647_group_hold_off(void)
{
ov5647_i2c_write_b_sensor(0x0104, 0x0);
}
static void ov5647_get_pict_fps(uint16_t fps, uint16_t *pfps)
{
/* input fps is preview fps in Q8 format */
uint32_t divider, d1, d2;
uint32_t preview_pclk = 0x37, snapshot_pclk = 0x4f;
d1 = (prev_frame_length_lines * 0x00000400) / snap_frame_length_lines;
d2 = (prev_line_length_pck * 0x00000400) / snap_line_length_pck;
divider = (d1 * d2*preview_pclk/snapshot_pclk) / 0x400;
CDBG(KERN_ERR "ov5647_get_pict_fps divider = %d", divider);
/*Verify PCLK settings and frame sizes.*/
*pfps = (uint16_t) (fps * divider / 0x400);
}
static uint16_t ov5647_get_prev_lines_pf(void)
{
if (ov5647_ctrl->prev_res == QTR_SIZE)
return prev_frame_length_lines;
else
return snap_frame_length_lines;
}
static uint16_t ov5647_get_prev_pixels_pl(void)
{
if (ov5647_ctrl->prev_res == QTR_SIZE)
return prev_line_length_pck;
else
return snap_line_length_pck;
}
static uint16_t ov5647_get_pict_lines_pf(void)
{
if (ov5647_ctrl->pict_res == QTR_SIZE)
return prev_frame_length_lines;
else
return snap_frame_length_lines;
}
static uint16_t ov5647_get_pict_pixels_pl(void)
{
if (ov5647_ctrl->pict_res == QTR_SIZE)
return prev_line_length_pck;
else
return snap_line_length_pck;
}
static uint32_t ov5647_get_pict_max_exp_lc(void)
{
return snap_frame_length_lines * 24;
}
static int32_t ov5647_set_fps(struct fps_cfg *fps)
{
uint16_t total_lines_per_frame;
int32_t rc = 0;
ov5647_ctrl->fps_divider = fps->fps_div;
ov5647_ctrl->pict_fps_divider = fps->pict_fps_div;
if (ov5647_ctrl->sensormode == SENSOR_PREVIEW_MODE) {
total_lines_per_frame = (uint16_t)
((prev_frame_length_lines * ov5647_ctrl->fps_divider) / 0x400);
} else {
total_lines_per_frame = (uint16_t)
((snap_frame_length_lines * ov5647_ctrl->fps_divider) / 0x400);
}
ov5647_group_hold_on();
rc = ov5647_i2c_write_b_sensor(0x0340,
((total_lines_per_frame & 0xFF00) >> 8));
rc = ov5647_i2c_write_b_sensor(0x0341,
(total_lines_per_frame & 0x00FF));
ov5647_group_hold_off();
return rc;
}
static inline uint8_t ov5647_byte(uint16_t word, uint8_t offset)
{
return word >> (offset * BITS_PER_BYTE);
}
static int32_t ov5647_write_exp_gain(uint16_t gain, uint32_t line)
{
int rc = 0;
uint16_t max_line;
u8 intg_time_hsb, intg_time_msb, intg_time_lsb;
uint8_t gain_lsb, gain_hsb;
ov5647_ctrl->my_reg_gain = gain;
ov5647_ctrl->my_reg_line_count = (uint16_t)line;
CDBG(KERN_ERR "preview exposure setting 0x%x, 0x%x, %d",
gain, line, line);
gain_lsb = (uint8_t) (ov5647_ctrl->my_reg_gain);
gain_hsb = (uint8_t)((ov5647_ctrl->my_reg_gain & 0x300)>>8);
/* adjust frame rate */
if (line > 980) {
rc = ov5647_i2c_write_b_sensor(0x380E,
(uint8_t)((line+4) >> 8)) ;
rc = ov5647_i2c_write_b_sensor(0x380F,
(uint8_t)((line+4) & 0x00FF)) ;
max_line = line + 4;
} else if (max_line > 984) {
rc = ov5647_i2c_write_b_sensor(0x380E,
(uint8_t)(984 >> 8)) ;
rc = ov5647_i2c_write_b_sensor(0x380F,
(uint8_t)(984 & 0x00FF)) ;
max_line = 984;
}
line = line<<4;
/* ov5647 need this operation */
intg_time_hsb = (u8)(line>>16);
intg_time_msb = (u8) ((line & 0xFF00) >> 8);
intg_time_lsb = (u8) (line & 0x00FF);
ov5647_group_hold_on();
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_HSB, intg_time_hsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_MSB, intg_time_msb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_LSB, intg_time_lsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_GAIN_MSB, gain_hsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_GAIN_LSB, gain_lsb) ;
ov5647_group_hold_off();
return rc;
}
static int32_t ov5647_set_pict_exp_gain(uint16_t gain, uint32_t line)
{
uint16_t max_line;
int rc = 0;
uint8_t gain_lsb, gain_hsb;
u8 intg_time_hsb, intg_time_msb, intg_time_lsb;
ov5647_ctrl->my_reg_gain = gain;
ov5647_ctrl->my_reg_line_count = (uint16_t)line;
gain_lsb = (uint8_t) (ov5647_ctrl->my_reg_gain);
gain_hsb = (uint8_t)((ov5647_ctrl->my_reg_gain & 0x300)>>8);
CDBG(KERN_ERR "snapshot exposure seting 0x%x, 0x%x, %d"
, gain, line, line);
if (line > 1964) {
rc = ov5647_i2c_write_b_sensor(0x380E,
(uint8_t)((line+4) >> 8)) ;
rc = ov5647_i2c_write_b_sensor(0x380F,
(uint8_t)((line+4) & 0x00FF)) ;
max_line = line + 4;
} else if (max_line > 1968) {
rc = ov5647_i2c_write_b_sensor(0x380E,
(uint8_t)(1968 >> 8)) ;
rc = ov5647_i2c_write_b_sensor(0x380F,
(uint8_t)(1968 & 0x00FF)) ;
max_line = 1968;
}
line = line<<4;
/* ov5647 need this operation */
intg_time_hsb = (u8)(line>>16);
intg_time_msb = (u8) ((line & 0xFF00) >> 8);
intg_time_lsb = (u8) (line & 0x00FF);
/* FIXME for BLC trigger */
ov5647_group_hold_on();
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_HSB, intg_time_hsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_MSB, intg_time_msb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_LSB, intg_time_lsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_GAIN_MSB, gain_hsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_GAIN_LSB, gain_lsb - 1) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_HSB, intg_time_hsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_MSB, intg_time_msb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_LINE_LSB, intg_time_lsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_GAIN_MSB, gain_hsb) ;
rc = ov5647_i2c_write_b_sensor(REG_OV5647_GAIN_LSB, gain_lsb) ;
ov5647_group_hold_off();
msleep(500);
return rc;
}
static int32_t ov5647_move_focus(int direction, int32_t num_steps)
{
uint8_t code_val_msb = 0;
uint8_t code_val_lsb = 0;
int16_t step_direction, actual_step, next_position;
int rc;
if (num_steps == 0)
return 0;
if (direction == MOVE_NEAR)
step_direction = 20;
else if (direction == MOVE_FAR)
step_direction = -20;
else
return -EINVAL;
actual_step = (int16_t)(step_direction * num_steps);
next_position = (int16_t)ov5647_ctrl->curr_lens_pos + actual_step;
if (next_position < 0) {
CDBG(KERN_ERR "%s: OV5647 position(=%d) out of range",
__func__, next_position);
next_position = 0;
}
if (next_position > 0x3FF) {
CDBG(KERN_ERR "%s: OV5647 position(=%d) out of range",
__func__, next_position);
next_position = 0x3FF;
}
ov5647_ctrl->curr_lens_pos = next_position;
code_val_msb = (uint8_t)((ov5647_ctrl->curr_lens_pos & 0x03FF) >> 4);
code_val_lsb = (uint8_t)((ov5647_ctrl->curr_lens_pos & 0x000F) << 4);
code_val_lsb |= mode_mask;
rc = ov5647_af_i2c_write_b_sensor(code_val_msb, code_val_lsb);
/* DAC Setting */
if (rc != 0) {
CDBG(KERN_ERR "%s: WRITE ERROR lsb = 0x%x, msb = 0x%x",
__func__, code_val_lsb, code_val_msb);
} else {
CDBG(KERN_ERR "%s: Successful lsb = 0x%x, msb = 0x%x",
__func__, code_val_lsb, code_val_msb);
/* delay may set based on the steps moved
when I2C write successful */
msleep(100);
}
return 0;
}
static int32_t ov5647_set_default_focus(uint8_t af_step)
{
uint8_t code_val_msb = 0;
uint8_t code_val_lsb = 0;
int rc = 0;
ov5647_ctrl->curr_lens_pos = 200;
code_val_msb = (ov5647_ctrl->curr_lens_pos & 0x03FF) >> 4;
code_val_lsb = (ov5647_ctrl->curr_lens_pos & 0x000F) << 4;
code_val_lsb |= mode_mask;
CDBG(KERN_ERR "ov5647_set_default_focus:lens pos = %d",
ov5647_ctrl->curr_lens_pos);
rc = ov5647_af_i2c_write_b_sensor(code_val_msb, code_val_lsb);
/* DAC Setting */
if (rc != 0)
CDBG(KERN_ERR "%s: WRITE ERROR lsb = 0x%x, msb = 0x%x",
__func__, code_val_lsb, code_val_msb);
else
CDBG(KERN_ERR "%s: WRITE successful lsb = 0x%x, msb = 0x%x",
__func__, code_val_lsb, code_val_msb);
usleep_range(10000, 11000);
return 0;
}
static int32_t ov5647_test(enum ov5647_test_mode_t mo)
{
int32_t rc = 0;
if (mo != TEST_OFF)
rc = ov5647_i2c_write_b_sensor(0x0601, (uint8_t) mo);
return rc;
}
static void ov5647_reset_sensor(void)
{
ov5647_i2c_write_b_sensor(0x103, 0x1);
}
static int32_t ov5647_sensor_setting(int update_type, int rt)
{
int32_t rc = 0;
struct msm_camera_csi_params ov5647_csi_params;
ov5647_stop_stream();
/* wait for clk/data really stop */
if ((rt == RES_CAPTURE) || (CSI_CONFIG == 0))
msleep(66);
else
msleep(266);
CDBG("CAMERA_DBG1: 0x4800 regVal:0x25\r\n");
ov5647_i2c_write_b_sensor(0x4800, 0x25);/* streaming off */
usleep_range(10000, 11000);
if (update_type == REG_INIT) {
ov5647_reset_sensor();
ov5647_i2c_write_b_table(ov5647_regs.rec_settings,
ov5647_regs.rec_size);
CSI_CONFIG = 0;
} else if (update_type == UPDATE_PERIODIC) {
/* turn off flash when preview */
if (rt == RES_PREVIEW) {
ov5647_i2c_write_b_table(ov5647_regs.reg_prev,
ov5647_regs.reg_prev_size);
CDBG("CAMERA_DBG:preview settings...\r\n");
} else {
ov5647_i2c_write_b_table(ov5647_regs.reg_snap,
ov5647_regs.reg_snap_size);
CDBG("CAMERA_DBG:snapshot settings...\r\n");
}
msleep(20);
if (!CSI_CONFIG) {
msm_camio_vfe_clk_rate_set(192000000);
ov5647_csi_params.data_format = CSI_8BIT;
ov5647_csi_params.lane_cnt = 2;
ov5647_csi_params.lane_assign = 0xe4;
ov5647_csi_params.dpcm_scheme = 0;
ov5647_csi_params.settle_cnt = 10;
rc = msm_camio_csi_config(&ov5647_csi_params);
msleep(20);
CSI_CONFIG = 1;
/* exit powerdown state */
ov5647_i2c_write_b_sensor(0x0100, 0x01);
}
CDBG("CAMERA_DBG: 0x4800 regVal:0x04\r\n");
/* streaming on */
ov5647_i2c_write_b_sensor(0x4800, 0x04);
msleep(266);
ov5647_start_stream();
msleep(30);
}
return rc;
}
static int32_t ov5647_video_config(int mode)
{
int32_t rc = 0;
int rt;
CDBG("video config\n");
/* change sensor resolution if needed */
if (ov5647_ctrl->prev_res == QTR_SIZE)
rt = RES_PREVIEW;
else
rt = RES_CAPTURE;
if (ov5647_sensor_setting(UPDATE_PERIODIC, rt) < 0)
return rc;
if (ov5647_ctrl->set_test) {
if (ov5647_test(ov5647_ctrl->set_test) < 0)
return rc;
}
ov5647_ctrl->curr_res = ov5647_ctrl->prev_res;
ov5647_ctrl->sensormode = mode;
return rc;
}
static int32_t ov5647_snapshot_config(int mode)
{
int32_t rc = 0;
int rt;
/*change sensor resolution if needed */
if (ov5647_ctrl->curr_res != ov5647_ctrl->pict_res) {
if (ov5647_ctrl->pict_res == QTR_SIZE)
rt = RES_PREVIEW;
else
rt = RES_CAPTURE;
if (ov5647_sensor_setting(UPDATE_PERIODIC, rt) < 0)
return rc;
}
ov5647_ctrl->curr_res = ov5647_ctrl->pict_res;
ov5647_ctrl->sensormode = mode;
return rc;
}
static int32_t ov5647_raw_snapshot_config(int mode)
{
int32_t rc = 0;
int rt;
/* change sensor resolution if needed */
if (ov5647_ctrl->curr_res != ov5647_ctrl->pict_res) {
if (ov5647_ctrl->pict_res == QTR_SIZE)
rt = RES_PREVIEW;
else
rt = RES_CAPTURE;
if (ov5647_sensor_setting(UPDATE_PERIODIC, rt) < 0)
return rc;
}
ov5647_ctrl->curr_res = ov5647_ctrl->pict_res;
ov5647_ctrl->sensormode = mode;
return rc;
}
static int32_t ov5647_set_sensor_mode(int mode,
int res)
{
int32_t rc = 0;
switch (mode) {
case SENSOR_PREVIEW_MODE:
rc = ov5647_video_config(mode);
break;
case SENSOR_SNAPSHOT_MODE:
rc = ov5647_snapshot_config(mode);
break;
case SENSOR_RAW_SNAPSHOT_MODE:
rc = ov5647_raw_snapshot_config(mode);
break;
default:
rc = -EINVAL;
break;
}
return rc;
}
static int32_t ov5647_power_down(void)
{
ov5647_stop_stream();
return 0;
}
static int ov5647_probe_init_done(const struct msm_camera_sensor_info *data)
{
CDBG("probe done\n");
gpio_direction_output(data->sensor_pwd, 1);
return 0;
}
static int ov5647_probe_init_sensor(const struct msm_camera_sensor_info *data)
{
int32_t rc = 0;
uint16_t regaddress1 = 0x300a;
uint16_t regaddress2 = 0x300b;
uint16_t chipid1 = 0;
uint16_t chipid2 = 0;
CDBG("%s: %d\n", __func__, __LINE__);
gpio_direction_output(data->sensor_pwd, 0);
usleep_range(4000, 4100);
gpio_direction_output(data->sensor_reset, 1);
usleep_range(2000, 2100);
ov5647_i2c_read(regaddress1, &chipid1);
if (chipid1 != 0x56) {
rc = -ENODEV;
pr_err("ov5647_probe_init_sensor fail chip id doesnot match\n");
goto init_probe_fail;
}
ov5647_i2c_read(regaddress2, &chipid2);
if (chipid2 != 0x47) {
rc = -ENODEV;
pr_err("ov5647_probe_init_sensor fail chip id doesnot match\n");
goto init_probe_fail;
}
pr_err("ID1: 0x%x\n", chipid1);
pr_err("ID2: 0x%x\n", chipid2);
goto init_probe_done;
init_probe_fail:
pr_err(" ov5647_probe_init_sensor fails\n");
ov5647_probe_init_done(data);
return rc;
init_probe_done:
pr_debug(" ov5647_probe_init_sensor finishes\n");
gpio_direction_output(data->sensor_pwd, 1);
return rc;
}
static int ov5647_sensor_open_init(const struct msm_camera_sensor_info *data)
{
int32_t rc = 0;
CDBG("%s: %d\n", __func__, __LINE__);
CDBG("Calling ov5647_sensor_open_init\n");
ov5647_ctrl = kzalloc(sizeof(struct ov5647_ctrl_t), GFP_KERNEL);
if (!ov5647_ctrl) {
CDBG("ov5647_init failed!\n");
rc = -ENOMEM;
goto init_done;
}
ov5647_ctrl->fps_divider = 1 * 0x00000400;
ov5647_ctrl->pict_fps_divider = 1 * 0x00000400;
ov5647_ctrl->set_test = TEST_OFF;
ov5647_ctrl->prev_res = QTR_SIZE;
ov5647_ctrl->pict_res = FULL_SIZE;
if (data)
ov5647_ctrl->sensordata = data;
prev_frame_length_lines = 0x3d8;
prev_line_length_pck = 0x768*2;
snap_frame_length_lines = 0x7b0;
snap_line_length_pck = 0xa8c;
/* enable mclk first */
msm_camio_clk_rate_set(OV5647_MASTER_CLK_RATE);
gpio_direction_output(data->sensor_pwd, 1);
gpio_direction_output(data->sensor_reset, 0);
usleep_range(10000, 11000);
/* power on camera ldo and vreg */
if (ov5647_ctrl->sensordata->pmic_gpio_enable)
lcd_camera_power_onoff(1);
usleep_range(10000, 11000); /*waiting for ldo stable*/
gpio_direction_output(data->sensor_pwd, 0);
msleep(20);
gpio_direction_output(data->sensor_reset, 1);
msleep(25);
CDBG("init settings\n");
if (ov5647_ctrl->prev_res == QTR_SIZE)
rc = ov5647_sensor_setting(REG_INIT, RES_PREVIEW);
else
rc = ov5647_sensor_setting(REG_INIT, RES_CAPTURE);
ov5647_ctrl->fps = 30 * Q8;
/* enable AF actuator */
if (ov5647_ctrl->sensordata->vcm_enable) {
CDBG("enable AF actuator, gpio = %d\n",
ov5647_ctrl->sensordata->vcm_pwd);
rc = gpio_request(ov5647_ctrl->sensordata->vcm_pwd,
"ov5647_af");
if (!rc)
gpio_direction_output(
ov5647_ctrl->sensordata->vcm_pwd,
1);
else {
pr_err("ov5647_ctrl gpio request failed!\n");
goto init_fail;
}
msleep(20);
rc = ov5647_set_default_focus(0);
if (rc < 0) {
gpio_direction_output(ov5647_ctrl->sensordata->vcm_pwd,
0);
gpio_free(ov5647_ctrl->sensordata->vcm_pwd);
}
}
if (rc < 0)
goto init_fail;
else
goto init_done;
init_fail:
CDBG("init_fail\n");
ov5647_probe_init_done(data);
/* No need to power OFF camera ldo and vreg
affects Display while resume */
init_done:
CDBG("init_done\n");
return rc;
}
static int ov5647_i2c_remove(struct i2c_client *client)
{
return 0;
}
static int ov5647_init_client(struct i2c_client *client)
{
/* Initialize the MSM_CAMI2C Chip */
init_waitqueue_head(&ov5647_wait_queue);
return 0;
}
static int ov5647_af_init_client(struct i2c_client *client)
{
/* Initialize the MSM_CAMI2C Chip */
init_waitqueue_head(&ov5647_af_wait_queue);
return 0;
}
static const struct i2c_device_id ov5647_af_i2c_id[] = {
{"ov5647_af", 0},
{ }
};
static int ov5647_af_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int rc = 0;
CDBG("ov5647_af_probe called!\n");
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
CDBG("i2c_check_functionality failed\n");
goto probe_failure;
}
ov5647_af_sensorw = kzalloc(sizeof(struct ov5647_work_t), GFP_KERNEL);
if (!ov5647_af_sensorw) {
CDBG("kzalloc failed.\n");
rc = -ENOMEM;
goto probe_failure;
}
i2c_set_clientdata(client, ov5647_af_sensorw);
ov5647_af_init_client(client);
ov5647_af_client = client;
msleep(50);
CDBG("ov5647_af_probe successed! rc = %d\n", rc);
return 0;
probe_failure:
CDBG("ov5647_af_probe failed! rc = %d\n", rc);
return rc;
}
static const struct i2c_device_id ov5647_i2c_id[] = {
{"ov5647", 0}, {}
};
static int ov5647_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int rc = 0;
CDBG("ov5647_probe called!\n");
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
CDBG("i2c_check_functionality failed\n");
goto probe_failure;
}
ov5647_sensorw = kzalloc(sizeof(struct ov5647_work_t), GFP_KERNEL);
if (!ov5647_sensorw) {
CDBG("kzalloc failed.\n");
rc = -ENOMEM;
goto probe_failure;
}
i2c_set_clientdata(client, ov5647_sensorw);
ov5647_init_client(client);
ov5647_client = client;
msleep(50);
CDBG("ov5647_probe successed! rc = %d\n", rc);
return 0;
probe_failure:
CDBG("ov5647_probe failed! rc = %d\n", rc);
return rc;
}
static int __devexit ov5647_remove(struct i2c_client *client)
{
struct ov5647_work_t *sensorw = i2c_get_clientdata(client);
free_irq(client->irq, sensorw);
ov5647_client = NULL;
kfree(sensorw);
return 0;
}
static int __devexit ov5647_af_remove(struct i2c_client *client)
{
struct ov5647_work_t *ov5647_af = i2c_get_clientdata(client);
free_irq(client->irq, ov5647_af);
ov5647_af_client = NULL;
kfree(ov5647_af);
return 0;
}
static struct i2c_driver ov5647_i2c_driver = {
.id_table = ov5647_i2c_id,
.probe = ov5647_i2c_probe,
.remove = ov5647_i2c_remove,
.driver = {
.name = "ov5647",
},
};
static struct i2c_driver ov5647_af_i2c_driver = {
.id_table = ov5647_af_i2c_id,
.probe = ov5647_af_i2c_probe,
.remove = __exit_p(ov5647_af_i2c_remove),
.driver = {
.name = "ov5647_af",
},
};
int ov5647_sensor_config(void __user *argp)
{
struct sensor_cfg_data cdata;
long rc = 0;
if (copy_from_user(&cdata,
(void *)argp,
sizeof(struct sensor_cfg_data)))
return -EFAULT;
mutex_lock(&ov5647_mut);
CDBG("ov5647_sensor_config: cfgtype = %d\n",
cdata.cfgtype);
switch (cdata.cfgtype) {
case CFG_GET_PICT_FPS:
ov5647_get_pict_fps(
cdata.cfg.gfps.prevfps,
&(cdata.cfg.gfps.pictfps));
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_GET_PREV_L_PF:
cdata.cfg.prevl_pf =
ov5647_get_prev_lines_pf();
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_GET_PREV_P_PL:
cdata.cfg.prevp_pl =
ov5647_get_prev_pixels_pl();
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_GET_PICT_L_PF:
cdata.cfg.pictl_pf =
ov5647_get_pict_lines_pf();
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_GET_PICT_P_PL:
cdata.cfg.pictp_pl =
ov5647_get_pict_pixels_pl();
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_GET_PICT_MAX_EXP_LC:
cdata.cfg.pict_max_exp_lc =
ov5647_get_pict_max_exp_lc();
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_SET_FPS:
case CFG_SET_PICT_FPS:
rc = ov5647_set_fps(&(cdata.cfg.fps));
break;
case CFG_SET_EXP_GAIN:
rc = ov5647_write_exp_gain(cdata.cfg.exp_gain.gain,
cdata.cfg.exp_gain.line);
break;
case CFG_SET_PICT_EXP_GAIN:
rc = ov5647_set_pict_exp_gain(cdata.cfg.exp_gain.gain,
cdata.cfg.exp_gain.line);
break;
case CFG_SET_MODE:
rc = ov5647_set_sensor_mode(cdata.mode, cdata.rs);
break;
case CFG_PWR_DOWN:
rc = ov5647_power_down();
break;
case CFG_MOVE_FOCUS:
rc = ov5647_move_focus(cdata.cfg.focus.dir,
cdata.cfg.focus.steps);
break;
case CFG_SET_DEFAULT_FOCUS:
rc = ov5647_set_default_focus(cdata.cfg.focus.steps);
break;
case CFG_GET_AF_MAX_STEPS:
cdata.max_steps = OV5647_TOTAL_STEPS_NEAR_TO_FAR;
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_SET_EFFECT:
rc = ov5647_set_default_focus(cdata.cfg.effect);
break;
default:
rc = -EFAULT;
break;
}
mutex_unlock(&ov5647_mut);
return rc;
}
static int ov5647_sensor_release(void)
{
int rc = -EBADF;
unsigned short rdata;
mutex_lock(&ov5647_mut);
ov5647_power_down();
msleep(20);
ov5647_i2c_read(0x3018, &rdata);
rdata |= 0x18; /*set bit 3 bit 4 to 1*/
ov5647_i2c_write_b_sensor(0x3018, rdata);/*write back*/
msleep(20);
gpio_set_value(ov5647_ctrl->sensordata->sensor_pwd, 1);
usleep_range(5000, 5100);
if (ov5647_ctrl->sensordata->vcm_enable) {
gpio_direction_output(ov5647_ctrl->sensordata->vcm_pwd, 0);
gpio_free(ov5647_ctrl->sensordata->vcm_pwd);
}
/* No need to power OFF camera ldo and vreg
affects Display while resume */
kfree(ov5647_ctrl);
ov5647_ctrl = NULL;
CDBG("ov5647_release completed\n");
mutex_unlock(&ov5647_mut);
return rc;
}
static int ov5647_sensor_probe(const struct msm_camera_sensor_info *info,
struct msm_sensor_ctrl *s)
{
int rc = 0;
CDBG("%s E\n", __func__);
gpio_direction_output(info->sensor_pwd, 1);
gpio_direction_output(info->sensor_reset, 0);
usleep_range(1000, 1100);
/* turn on ldo and vreg */
if (info->pmic_gpio_enable)
lcd_camera_power_onoff(1);
rc = i2c_add_driver(&ov5647_i2c_driver);
if (rc < 0 || ov5647_client == NULL) {
rc = -ENOTSUPP;
CDBG("I2C add driver ov5647 failed");
goto probe_fail_2;
}
if (info->vcm_enable) {
rc = i2c_add_driver(&ov5647_af_i2c_driver);
if (rc < 0 || ov5647_af_client == NULL) {
rc = -ENOTSUPP;
CDBG("I2C add driver ov5647 af failed");
goto probe_fail_3;
}
}
msm_camio_clk_rate_set(OV5647_MASTER_CLK_RATE);
rc = ov5647_probe_init_sensor(info);
if (rc < 0)
goto probe_fail_1;
s->s_init = ov5647_sensor_open_init;
s->s_release = ov5647_sensor_release;
s->s_config = ov5647_sensor_config;
s->s_mount_angle = info->sensor_platform_info->mount_angle;
gpio_set_value(info->sensor_pwd, 1);
ov5647_probe_init_done(info);
/* turn off ldo and vreg */
if (info->pmic_gpio_enable)
lcd_camera_power_onoff(0);
CDBG("%s X", __func__);
return rc;
probe_fail_3:
i2c_del_driver(&ov5647_af_i2c_driver);
probe_fail_2:
i2c_del_driver(&ov5647_i2c_driver);
probe_fail_1:
/* turn off ldo and vreg */
if (info->pmic_gpio_enable)
lcd_camera_power_onoff(0);
CDBG("ov5647_sensor_probe: SENSOR PROBE FAILS!\n");
CDBG("%s X", __func__);
return rc;
}
static int __devinit ov5647_probe(struct platform_device *pdev)
{
return msm_camera_drv_start(pdev, ov5647_sensor_probe);
}
static struct platform_driver msm_camera_driver = {
.probe = ov5647_probe,
.driver = {
.name = "msm_camera_ov5647",
.owner = THIS_MODULE,
},
};
static int __init ov5647_init(void)
{
return platform_driver_register(&msm_camera_driver);
}
module_init(ov5647_init);
MODULE_DESCRIPTION("Omnivision 5 MP Bayer sensor driver");
MODULE_LICENSE("GPL v2");
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