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M7350/kernel/drivers/media/platform/msm/camera_v1/imx072.c

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M7350v1_en_gpl
2024-09-09 08:52:07 +00:00
/* Copyright (c) 2011, 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 <media/msm_camera.h>
#include <mach/gpio.h>
#include <mach/camera.h>
#include "imx072.h"
/* SENSOR REGISTER DEFINES */
#define REG_GROUPED_PARAMETER_HOLD 0x0104
#define GROUPED_PARAMETER_HOLD_OFF 0x00
#define GROUPED_PARAMETER_HOLD 0x01
/* Integration Time */
#define REG_COARSE_INTEGRATION_TIME 0x0202
/* Gain */
#define REG_GLOBAL_GAIN 0x0204
/* PLL registers */
#define REG_FRAME_LENGTH_LINES 0x0340
#define REG_LINE_LENGTH_PCK 0x0342
/* 16bit address - 8 bit context register structure */
#define Q8 0x00000100
#define Q10 0x00000400
#define IMX072_MASTER_CLK_RATE 24000000
#define IMX072_OFFSET 3
/* AF Total steps parameters */
#define IMX072_AF_I2C_ADDR 0x18
#define IMX072_TOTAL_STEPS_NEAR_TO_FAR 30
static uint16_t imx072_step_position_table[IMX072_TOTAL_STEPS_NEAR_TO_FAR+1];
static uint16_t imx072_nl_region_boundary1;
static uint16_t imx072_nl_region_code_per_step1;
static uint16_t imx072_l_region_code_per_step = 12;
static uint16_t imx072_sw_damping_time_wait = 8;
static uint16_t imx072_af_initial_code = 350;
static uint16_t imx072_damping_threshold = 10;
struct imx072_work_t {
struct work_struct work;
};
static struct imx072_work_t *imx072_sensorw;
static struct i2c_client *imx072_client;
struct imx072_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 imx072_resolution_t prev_res;
enum imx072_resolution_t pict_res;
enum imx072_resolution_t curr_res;
enum imx072_test_mode_t set_test;
enum imx072_cam_mode_t cam_mode;
};
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 bool CSI_CONFIG;
static struct imx072_ctrl_t *imx072_ctrl;
static DECLARE_WAIT_QUEUE_HEAD(imx072_wait_queue);
DEFINE_MUTEX(imx072_mut);
#ifdef CONFIG_DEBUG_FS
static int cam_debug_init(void);
static struct dentry *debugfs_base;
#endif
static int imx072_i2c_rxdata(unsigned short saddr,
unsigned char *rxdata, int length)
{
struct i2c_msg msgs[] = {
{
.addr = saddr,
.flags = 0,
.len = length,
.buf = rxdata,
},
{
.addr = saddr,
.flags = I2C_M_RD,
.len = length,
.buf = rxdata,
},
};
if (i2c_transfer(imx072_client->adapter, msgs, 2) < 0) {
pr_err("imx072_i2c_rxdata faild 0x%x\n", saddr);
return -EIO;
}
return 0;
}
static int32_t imx072_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(imx072_client->adapter, msg, 1) < 0) {
pr_err("imx072_i2c_txdata faild 0x%x\n", saddr);
return -EIO;
}
return 0;
}
static int32_t imx072_i2c_read(unsigned short raddr,
unsigned short *rdata, int rlen)
{
int32_t rc = 0;
unsigned char buf[2];
if (!rdata)
return -EIO;
memset(buf, 0, sizeof(buf));
buf[0] = (raddr & 0xFF00) >> 8;
buf[1] = (raddr & 0x00FF);
rc = imx072_i2c_rxdata(imx072_client->addr>>1, buf, rlen);
if (rc < 0) {
pr_err("imx072_i2c_read 0x%x failed!\n", raddr);
return rc;
}
*rdata = (rlen == 2 ? buf[0] << 8 | buf[1] : buf[0]);
CDBG("imx072_i2c_read 0x%x val = 0x%x!\n", raddr, *rdata);
return rc;
}
static int32_t imx072_i2c_write_w_sensor(unsigned short waddr,
uint16_t wdata)
{
int32_t rc = -EFAULT;
unsigned char buf[4];
memset(buf, 0, sizeof(buf));
buf[0] = (waddr & 0xFF00) >> 8;
buf[1] = (waddr & 0x00FF);
buf[2] = (wdata & 0xFF00) >> 8;
buf[3] = (wdata & 0x00FF);
CDBG("i2c_write_b addr = 0x%x, val = 0x%x\n", waddr, wdata);
rc = imx072_i2c_txdata(imx072_client->addr>>1, buf, 4);
if (rc < 0) {
pr_err("i2c_write_b failed, addr = 0x%x, val = 0x%x!\n",
waddr, wdata);
}
return rc;
}
static int32_t imx072_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 = imx072_i2c_txdata(imx072_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 imx072_i2c_write_b_af(uint8_t msb, uint8_t lsb)
{
int32_t rc = -EFAULT;
unsigned char buf[2];
buf[0] = msb;
buf[1] = lsb;
rc = imx072_i2c_txdata(IMX072_AF_I2C_ADDR>>1, buf, 2);
if (rc < 0)
pr_err("af_i2c_write faield msb = 0x%x lsb = 0x%x",
msb, lsb);
return rc;
}
static int32_t imx072_i2c_write_w_table(struct imx072_i2c_reg_conf const
*reg_conf_tbl, int num)
{
int i;
int32_t rc = -EIO;
for (i = 0; i < num; i++) {
rc = imx072_i2c_write_b_sensor(reg_conf_tbl->waddr,
reg_conf_tbl->wdata);
if (rc < 0)
break;
reg_conf_tbl++;
}
return rc;
}
static void imx072_group_hold_on(void)
{
imx072_i2c_write_b_sensor(REG_GROUPED_PARAMETER_HOLD,
GROUPED_PARAMETER_HOLD);
}
static void imx072_group_hold_off(void)
{
imx072_i2c_write_b_sensor(REG_GROUPED_PARAMETER_HOLD,
GROUPED_PARAMETER_HOLD_OFF);
}
static void imx072_start_stream(void)
{
imx072_i2c_write_b_sensor(0x0100, 0x01);
}
static void imx072_stop_stream(void)
{
imx072_i2c_write_b_sensor(0x0100, 0x00);
}
static void imx072_get_pict_fps(uint16_t fps, uint16_t *pfps)
{
/* input fps is preview fps in Q8 format */
uint32_t divider, d1, d2;
d1 = prev_frame_length_lines * 0x00000400 / snap_frame_length_lines;
d2 = prev_line_length_pck * 0x00000400 / snap_line_length_pck;
divider = d1 * d2 / 0x400;
/*Verify PCLK settings and frame sizes.*/
*pfps = (uint16_t) (fps * divider / 0x400);
}
static uint16_t imx072_get_prev_lines_pf(void)
{
return prev_frame_length_lines;
}
static uint16_t imx072_get_prev_pixels_pl(void)
{
return prev_line_length_pck;
}
static uint16_t imx072_get_pict_lines_pf(void)
{
return snap_frame_length_lines;
}
static uint16_t imx072_get_pict_pixels_pl(void)
{
return snap_line_length_pck;
}
static uint32_t imx072_get_pict_max_exp_lc(void)
{
return snap_frame_length_lines * 24;
}
static int32_t imx072_set_fps(struct fps_cfg *fps)
{
uint16_t total_lines_per_frame;
int32_t rc = 0;
total_lines_per_frame = (uint16_t)
((prev_frame_length_lines *
imx072_ctrl->fps_divider)/0x400);
imx072_ctrl->fps_divider = fps->fps_div;
imx072_ctrl->pict_fps_divider = fps->pict_fps_div;
imx072_group_hold_on();
rc = imx072_i2c_write_w_sensor(REG_FRAME_LENGTH_LINES,
total_lines_per_frame);
imx072_group_hold_off();
return rc;
}
static int32_t imx072_write_exp_gain(uint16_t gain, uint32_t line)
{
uint32_t fl_lines = 0;
uint8_t offset;
int32_t rc = 0;
if (imx072_ctrl->curr_res == imx072_ctrl->prev_res)
fl_lines = prev_frame_length_lines;
else if (imx072_ctrl->curr_res == imx072_ctrl->pict_res)
fl_lines = snap_frame_length_lines;
line = (line * imx072_ctrl->fps_divider) / Q10;
offset = IMX072_OFFSET;
if (line > (fl_lines - offset))
fl_lines = line + offset;
imx072_group_hold_on();
rc = imx072_i2c_write_w_sensor(REG_FRAME_LENGTH_LINES, fl_lines);
rc = imx072_i2c_write_w_sensor(REG_COARSE_INTEGRATION_TIME, line);
rc = imx072_i2c_write_w_sensor(REG_GLOBAL_GAIN, gain);
imx072_group_hold_off();
return rc;
}
static int32_t imx072_set_pict_exp_gain(uint16_t gain, uint32_t line)
{
int32_t rc = 0;
rc = imx072_write_exp_gain(gain, line);
return rc;
}
static int32_t imx072_sensor_setting(int update_type, int rt)
{
int32_t rc = 0;
struct msm_camera_csi_params imx072_csi_params;
imx072_stop_stream();
msleep(30);
if (update_type == REG_INIT) {
msleep(20);
CSI_CONFIG = 0;
imx072_i2c_write_w_table(imx072_regs.rec_settings,
imx072_regs.rec_size);
} else if (update_type == UPDATE_PERIODIC) {
#ifdef CONFIG_DEBUG_FS
cam_debug_init();
#endif
msleep(20);
if (!CSI_CONFIG) {
imx072_csi_params.lane_cnt = 2;
imx072_csi_params.data_format = CSI_10BIT;
imx072_csi_params.lane_assign = 0xe4;
imx072_csi_params.dpcm_scheme = 0;
imx072_csi_params.settle_cnt = 0x18;
msm_camio_vfe_clk_rate_set(192000000);
rc = msm_camio_csi_config(&imx072_csi_params);
msleep(100);
CSI_CONFIG = 1;
}
imx072_i2c_write_w_table(
imx072_regs.conf_array[rt].conf,
imx072_regs.conf_array[rt].size);
imx072_start_stream();
msleep(30);
}
return rc;
}
static int32_t imx072_video_config(int mode)
{
int32_t rc = 0;
/* change sensor resolution if needed */
if (imx072_sensor_setting(UPDATE_PERIODIC,
imx072_ctrl->prev_res) < 0)
return rc;
imx072_ctrl->curr_res = imx072_ctrl->prev_res;
imx072_ctrl->sensormode = mode;
return rc;
}
static int32_t imx072_snapshot_config(int mode)
{
int32_t rc = 0;
/*change sensor resolution if needed */
if (imx072_ctrl->curr_res != imx072_ctrl->pict_res) {
if (imx072_sensor_setting(UPDATE_PERIODIC,
imx072_ctrl->pict_res) < 0)
return rc;
}
imx072_ctrl->curr_res = imx072_ctrl->pict_res;
imx072_ctrl->sensormode = mode;
return rc;
}
static int32_t imx072_raw_snapshot_config(int mode)
{
int32_t rc = 0;
/* change sensor resolution if needed */
if (imx072_ctrl->curr_res != imx072_ctrl->pict_res) {
if (imx072_sensor_setting(UPDATE_PERIODIC,
imx072_ctrl->pict_res) < 0)
return rc;
}
imx072_ctrl->curr_res = imx072_ctrl->pict_res;
imx072_ctrl->sensormode = mode;
return rc;
}
static int32_t imx072_mode_init(int mode, struct sensor_init_cfg init_info)
{
int32_t rc = 0;
CDBG("%s: %d\n", __func__, __LINE__);
if (mode != imx072_ctrl->cam_mode) {
imx072_ctrl->prev_res = init_info.prev_res;
imx072_ctrl->pict_res = init_info.pict_res;
imx072_ctrl->cam_mode = mode;
prev_frame_length_lines =
imx072_regs.conf_array[imx072_ctrl->prev_res].
conf[IMX072_FRAME_LENGTH_LINES_HI].wdata << 8 |
imx072_regs.conf_array[imx072_ctrl->prev_res].
conf[IMX072_FRAME_LENGTH_LINES_LO].wdata;
prev_line_length_pck =
imx072_regs.conf_array[imx072_ctrl->prev_res].
conf[IMX072_LINE_LENGTH_PCK_HI].wdata << 8 |
imx072_regs.conf_array[imx072_ctrl->prev_res].
conf[IMX072_LINE_LENGTH_PCK_LO].wdata;
snap_frame_length_lines =
imx072_regs.conf_array[imx072_ctrl->pict_res].
conf[IMX072_FRAME_LENGTH_LINES_HI].wdata << 8 |
imx072_regs.conf_array[imx072_ctrl->pict_res].
conf[IMX072_FRAME_LENGTH_LINES_LO].wdata;
snap_line_length_pck =
imx072_regs.conf_array[imx072_ctrl->pict_res].
conf[IMX072_LINE_LENGTH_PCK_HI].wdata << 8 |
imx072_regs.conf_array[imx072_ctrl->pict_res].
conf[IMX072_LINE_LENGTH_PCK_LO].wdata;
rc = imx072_sensor_setting(REG_INIT,
imx072_ctrl->prev_res);
}
return rc;
}
static int32_t imx072_set_sensor_mode(int mode,
int res)
{
int32_t rc = 0;
switch (mode) {
case SENSOR_PREVIEW_MODE:
imx072_ctrl->prev_res = res;
rc = imx072_video_config(mode);
break;
case SENSOR_SNAPSHOT_MODE:
imx072_ctrl->pict_res = res;
rc = imx072_snapshot_config(mode);
break;
case SENSOR_RAW_SNAPSHOT_MODE:
imx072_ctrl->pict_res = res;
rc = imx072_raw_snapshot_config(mode);
break;
default:
rc = -EINVAL;
break;
}
return rc;
}
#define DIV_CEIL(x, y) ((x/y + ((x%y) ? 1 : 0)))
static int32_t imx072_move_focus(int direction,
int32_t num_steps)
{
int32_t rc = 0;
int16_t step_direction, dest_lens_position, dest_step_position;
uint8_t code_val_msb, code_val_lsb;
int16_t next_lens_position, target_dist, small_step;
if (direction == MOVE_NEAR)
step_direction = 1;
else if (direction == MOVE_FAR)
step_direction = -1;
else {
pr_err("Illegal focus direction\n");
return -EINVAL;
}
dest_step_position = imx072_ctrl->curr_step_pos +
(step_direction * num_steps);
if (dest_step_position < 0)
dest_step_position = 0;
else if (dest_step_position > IMX072_TOTAL_STEPS_NEAR_TO_FAR)
dest_step_position = IMX072_TOTAL_STEPS_NEAR_TO_FAR;
if (dest_step_position == imx072_ctrl->curr_step_pos) {
CDBG("imx072 same position No-Move exit\n");
return rc;
}
CDBG("%s Index = [%d]\n", __func__, dest_step_position);
dest_lens_position = imx072_step_position_table[dest_step_position];
CDBG("%s lens_position value = %d\n", __func__, dest_lens_position);
target_dist = step_direction * (dest_lens_position -
imx072_ctrl->curr_lens_pos);
if (step_direction < 0 && (target_dist >=
(imx072_step_position_table[imx072_damping_threshold]
- imx072_af_initial_code))) {
small_step = DIV_CEIL(target_dist, 10);
imx072_sw_damping_time_wait = 30;
} else {
small_step = DIV_CEIL(target_dist, 4);
imx072_sw_damping_time_wait = 20;
}
CDBG("%s: small_step:%d, wait_time:%d\n", __func__, small_step,
imx072_sw_damping_time_wait);
for (next_lens_position = imx072_ctrl->curr_lens_pos +
(step_direction * small_step);
(step_direction * next_lens_position) <=
(step_direction * dest_lens_position);
next_lens_position += (step_direction * small_step)) {
code_val_msb = ((next_lens_position & 0x03F0) >> 4);
code_val_lsb = ((next_lens_position & 0x000F) << 4);
CDBG("position value = %d\n", next_lens_position);
CDBG("movefocus vcm_msb = %d\n", code_val_msb);
CDBG("movefocus vcm_lsb = %d\n", code_val_lsb);
rc = imx072_i2c_write_b_af(code_val_msb, code_val_lsb);
if (rc < 0) {
pr_err("imx072_move_focus failed writing i2c\n");
return rc;
}
imx072_ctrl->curr_lens_pos = next_lens_position;
usleep(imx072_sw_damping_time_wait*100);
}
if (imx072_ctrl->curr_lens_pos != dest_lens_position) {
code_val_msb = ((dest_lens_position & 0x03F0) >> 4);
code_val_lsb = ((dest_lens_position & 0x000F) << 4);
CDBG("position value = %d\n", dest_lens_position);
CDBG("movefocus vcm_msb = %d\n", code_val_msb);
CDBG("movefocus vcm_lsb = %d\n", code_val_lsb);
rc = imx072_i2c_write_b_af(code_val_msb, code_val_lsb);
if (rc < 0) {
pr_err("imx072_move_focus failed writing i2c\n");
return rc;
}
usleep(imx072_sw_damping_time_wait * 100);
}
imx072_ctrl->curr_lens_pos = dest_lens_position;
imx072_ctrl->curr_step_pos = dest_step_position;
return rc;
}
static int32_t imx072_init_focus(void)
{
uint8_t i;
int32_t rc = 0;
imx072_step_position_table[0] = imx072_af_initial_code;
for (i = 1; i <= IMX072_TOTAL_STEPS_NEAR_TO_FAR; i++) {
if (i <= imx072_nl_region_boundary1)
imx072_step_position_table[i] =
imx072_step_position_table[i-1]
+ imx072_nl_region_code_per_step1;
else
imx072_step_position_table[i] =
imx072_step_position_table[i-1]
+ imx072_l_region_code_per_step;
if (imx072_step_position_table[i] > 1023)
imx072_step_position_table[i] = 1023;
}
imx072_ctrl->curr_lens_pos = 0;
return rc;
}
static int32_t imx072_set_default_focus(void)
{
int32_t rc = 0;
uint8_t code_val_msb, code_val_lsb;
int16_t dest_lens_position = 0;
CDBG("%s Index = [%d]\n", __func__, 0);
if (imx072_ctrl->curr_step_pos != 0)
rc = imx072_move_focus(MOVE_FAR,
imx072_ctrl->curr_step_pos);
else {
dest_lens_position = imx072_af_initial_code;
code_val_msb = ((dest_lens_position & 0x03F0) >> 4);
code_val_lsb = ((dest_lens_position & 0x000F) << 4);
CDBG("position value = %d\n", dest_lens_position);
CDBG("movefocus vcm_msb = %d\n", code_val_msb);
CDBG("movefocus vcm_lsb = %d\n", code_val_lsb);
rc = imx072_i2c_write_b_af(code_val_msb, code_val_lsb);
if (rc < 0) {
pr_err("imx072_set_default_focus failed writing i2c\n");
return rc;
}
imx072_ctrl->curr_lens_pos = dest_lens_position;
imx072_ctrl->curr_step_pos = 0;
}
usleep(5000);
return rc;
}
static int32_t imx072_af_power_down(void)
{
int32_t rc = 0;
int32_t i = 0;
int16_t dest_lens_position = imx072_af_initial_code;
if (imx072_ctrl->curr_lens_pos != 0) {
rc = imx072_set_default_focus();
CDBG("%s after imx072_set_default_focus\n", __func__);
msleep(40);
/*to avoid the sound during the power off.
brings the actuator to mechanical infinity gradually.*/
for (i = 0; i < IMX072_TOTAL_STEPS_NEAR_TO_FAR; i++) {
dest_lens_position = dest_lens_position -
(imx072_af_initial_code /
IMX072_TOTAL_STEPS_NEAR_TO_FAR);
CDBG("position value = %d\n", dest_lens_position);
rc = imx072_i2c_write_b_af(
((dest_lens_position & 0x03F0) >> 4),
((dest_lens_position & 0x000F) << 4));
CDBG("count = %d\n", i);
msleep(20);
if (rc < 0) {
pr_err("imx072_set_default_focus failed writing i2c\n");
return rc;
}
}
rc = imx072_i2c_write_b_af(0x00, 00);
msleep(40);
}
rc = imx072_i2c_write_b_af(0x80, 00);
return rc;
}
static int32_t imx072_power_down(void)
{
int32_t rc = 0;
rc = imx072_af_power_down();
return rc;
}
static int imx072_probe_init_done(const struct msm_camera_sensor_info *data)
{
pr_err("probe done\n");
gpio_free(data->sensor_reset);
return 0;
}
static int imx072_probe_init_sensor(
const struct msm_camera_sensor_info *data)
{
int32_t rc = 0;
uint16_t chipid = 0;
CDBG("%s: %d\n", __func__, __LINE__);
rc = gpio_request(data->sensor_reset, "imx072");
CDBG(" imx072_probe_init_sensor\n");
if (!rc) {
pr_err("sensor_reset = %d\n", rc);
gpio_direction_output(data->sensor_reset, 0);
msleep(50);
gpio_set_value_cansleep(data->sensor_reset, 1);
msleep(20);
} else
goto gpio_req_fail;
CDBG(" imx072_probe_init_sensor is called\n");
rc = imx072_i2c_read(0x0, &chipid, 2);
CDBG("ID: %d\n", chipid);
/* 4. Compare sensor ID to IMX072 ID: */
if (chipid != 0x0045) {
rc = -ENODEV;
pr_err("imx072_probe_init_sensor chip id doesnot match\n");
goto init_probe_fail;
}
return rc;
init_probe_fail:
pr_err(" imx072_probe_init_sensor fails\n");
gpio_set_value_cansleep(data->sensor_reset, 0);
imx072_probe_init_done(data);
if (data->vcm_enable) {
int ret = gpio_request(data->vcm_pwd, "imx072_af");
if (!ret) {
gpio_direction_output(data->vcm_pwd, 0);
msleep(20);
gpio_free(data->vcm_pwd);
}
}
gpio_req_fail:
return rc;
}
int imx072_sensor_open_init(const struct msm_camera_sensor_info *data)
{
int32_t rc = 0;
CDBG("%s: %d\n", __func__, __LINE__);
imx072_ctrl = kzalloc(sizeof(struct imx072_ctrl_t), GFP_KERNEL);
if (!imx072_ctrl) {
pr_err("imx072_init failed!\n");
rc = -ENOMEM;
goto init_done;
}
imx072_ctrl->fps_divider = 1 * 0x00000400;
imx072_ctrl->pict_fps_divider = 1 * 0x00000400;
imx072_ctrl->set_test = TEST_OFF;
imx072_ctrl->cam_mode = MODE_INVALID;
if (data)
imx072_ctrl->sensordata = data;
if (rc < 0) {
pr_err("Calling imx072_sensor_open_init fail1\n");
return rc;
}
CDBG("%s: %d\n", __func__, __LINE__);
/* enable mclk first */
msm_camio_clk_rate_set(IMX072_MASTER_CLK_RATE);
rc = imx072_probe_init_sensor(data);
if (rc < 0)
goto init_fail;
imx072_init_focus();
imx072_ctrl->fps = 30*Q8;
if (rc < 0) {
gpio_set_value_cansleep(data->sensor_reset, 0);
goto init_fail;
} else
goto init_done;
init_fail:
pr_err("init_fail\n");
imx072_probe_init_done(data);
init_done:
pr_err("init_done\n");
return rc;
}
static int imx072_init_client(struct i2c_client *client)
{
/* Initialize the MSM_CAMI2C Chip */
init_waitqueue_head(&imx072_wait_queue);
return 0;
}
static const struct i2c_device_id imx072_i2c_id[] = {
{"imx072", 0},
{ }
};
static int imx072_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int rc = 0;
CDBG("imx072_probe called!\n");
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
pr_err("i2c_check_functionality failed\n");
goto probe_failure;
}
imx072_sensorw = kzalloc(sizeof(struct imx072_work_t),
GFP_KERNEL);
if (!imx072_sensorw) {
pr_err("kzalloc failed.\n");
rc = -ENOMEM;
goto probe_failure;
}
i2c_set_clientdata(client, imx072_sensorw);
imx072_init_client(client);
imx072_client = client;
msleep(50);
CDBG("imx072_probe successed! rc = %d\n", rc);
return 0;
probe_failure:
pr_err("imx072_probe failed! rc = %d\n", rc);
return rc;
}
static int imx072_send_wb_info(struct wb_info_cfg *wb)
{
return 0;
}
static int __exit imx072_remove(struct i2c_client *client)
{
struct imx072_work_t_t *sensorw = i2c_get_clientdata(client);
free_irq(client->irq, sensorw);
imx072_client = NULL;
kfree(sensorw);
return 0;
}
static struct i2c_driver imx072_i2c_driver = {
.id_table = imx072_i2c_id,
.probe = imx072_i2c_probe,
.remove = __exit_p(imx072_i2c_remove),
.driver = {
.name = "imx072",
},
};
int imx072_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(&imx072_mut);
CDBG("imx072_sensor_config: cfgtype = %d\n",
cdata.cfgtype);
switch (cdata.cfgtype) {
case CFG_GET_PICT_FPS:
imx072_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 =
imx072_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 =
imx072_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 =
imx072_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 =
imx072_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 =
imx072_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 = imx072_set_fps(&(cdata.cfg.fps));
break;
case CFG_SET_EXP_GAIN:
rc = imx072_write_exp_gain(
cdata.cfg.exp_gain.gain,
cdata.cfg.exp_gain.line);
break;
case CFG_SET_PICT_EXP_GAIN:
rc = imx072_set_pict_exp_gain(
cdata.cfg.exp_gain.gain,
cdata.cfg.exp_gain.line);
break;
case CFG_SET_MODE:
rc = imx072_set_sensor_mode(cdata.mode, cdata.rs);
break;
case CFG_PWR_DOWN:
rc = imx072_power_down();
break;
case CFG_MOVE_FOCUS:
rc = imx072_move_focus(cdata.cfg.focus.dir,
cdata.cfg.focus.steps);
break;
case CFG_SET_DEFAULT_FOCUS:
imx072_set_default_focus();
break;
case CFG_GET_AF_MAX_STEPS:
cdata.max_steps = IMX072_TOTAL_STEPS_NEAR_TO_FAR;
if (copy_to_user((void *)argp,
&cdata,
sizeof(struct sensor_cfg_data)))
rc = -EFAULT;
break;
case CFG_SET_EFFECT:
break;
case CFG_SEND_WB_INFO:
rc = imx072_send_wb_info(
&(cdata.cfg.wb_info));
break;
case CFG_SENSOR_INIT:
rc = imx072_mode_init(cdata.mode,
cdata.cfg.init_info);
break;
case CFG_SET_LENS_SHADING:
break;
default:
rc = -EFAULT;
break;
}
mutex_unlock(&imx072_mut);
return rc;
}
static int imx072_sensor_release(void)
{
int rc = -EBADF;
mutex_lock(&imx072_mut);
imx072_power_down();
gpio_set_value_cansleep(imx072_ctrl->sensordata->sensor_reset, 0);
msleep(20);
gpio_free(imx072_ctrl->sensordata->sensor_reset);
if (imx072_ctrl->sensordata->vcm_enable) {
gpio_set_value_cansleep(imx072_ctrl->sensordata->vcm_pwd, 0);
gpio_free(imx072_ctrl->sensordata->vcm_pwd);
}
kfree(imx072_ctrl);
imx072_ctrl = NULL;
pr_err("imx072_release completed\n");
mutex_unlock(&imx072_mut);
return rc;
}
static int imx072_sensor_probe(const struct msm_camera_sensor_info *info,
struct msm_sensor_ctrl *s)
{
int rc = 0;
rc = i2c_add_driver(&imx072_i2c_driver);
if (rc < 0 || imx072_client == NULL) {
rc = -ENOTSUPP;
pr_err("I2C add driver failed");
goto probe_fail;
}
msm_camio_clk_rate_set(IMX072_MASTER_CLK_RATE);
rc = imx072_probe_init_sensor(info);
if (rc < 0)
goto probe_fail;
s->s_init = imx072_sensor_open_init;
s->s_release = imx072_sensor_release;
s->s_config = imx072_sensor_config;
s->s_mount_angle = info->sensor_platform_info->mount_angle;
gpio_set_value_cansleep(info->sensor_reset, 0);
imx072_probe_init_done(info);
if (info->vcm_enable) {
rc = gpio_request(info->vcm_pwd, "imx072_af");
if (!rc) {
gpio_direction_output(info->vcm_pwd, 0);
msleep(20);
gpio_free(info->vcm_pwd);
} else
return rc;
}
pr_info("imx072_sensor_probe : SUCCESS\n");
return rc;
probe_fail:
pr_err("imx072_sensor_probe: SENSOR PROBE FAILS!\n");
return rc;
}
static int __imx072_probe(struct platform_device *pdev)
{
return msm_camera_drv_start(pdev, imx072_sensor_probe);
}
static struct platform_driver msm_camera_driver = {
.probe = __imx072_probe,
.driver = {
.name = "msm_camera_imx072",
.owner = THIS_MODULE,
},
};
static int __init imx072_init(void)
{
return platform_driver_register(&msm_camera_driver);
}
module_init(imx072_init);
void imx072_exit(void)
{
i2c_del_driver(&imx072_i2c_driver);
}
MODULE_DESCRIPTION("Aptina 8 MP Bayer sensor driver");
MODULE_LICENSE("GPL v2");
#ifdef CONFIG_DEBUG_FS
static bool streaming = 1;
static int cam_debug_stream_set(void *data, u64 val)
{
int rc = 0;
if (val) {
imx072_start_stream();
streaming = 1;
} else {
imx072_stop_stream();
streaming = 0;
}
return rc;
}
static int cam_debug_stream_get(void *data, u64 *val)
{
*val = streaming;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(cam_stream, cam_debug_stream_get,
cam_debug_stream_set, "%llu\n");
static int imx072_set_af_codestep(void *data, u64 val)
{
imx072_l_region_code_per_step = val;
imx072_init_focus();
return 0;
}
static int imx072_get_af_codestep(void *data, u64 *val)
{
*val = imx072_l_region_code_per_step;
return 0;
}
static uint16_t imx072_linear_total_step = IMX072_TOTAL_STEPS_NEAR_TO_FAR;
static int imx072_set_linear_total_step(void *data, u64 val)
{
imx072_linear_total_step = val;
return 0;
}
static int imx072_af_linearity_test(void *data, u64 *val)
{
int i = 0;
imx072_set_default_focus();
msleep(3000);
for (i = 0; i < imx072_linear_total_step; i++) {
imx072_move_focus(MOVE_NEAR, 1);
CDBG("moved to index =[%d]\n", i);
msleep(1000);
}
for (i = 0; i < imx072_linear_total_step; i++) {
imx072_move_focus(MOVE_FAR, 1);
CDBG("moved to index =[%d]\n", i);
msleep(1000);
}
return 0;
}
static uint16_t imx072_step_val = IMX072_TOTAL_STEPS_NEAR_TO_FAR;
static uint8_t imx072_step_dir = MOVE_NEAR;
static int imx072_af_step_config(void *data, u64 val)
{
imx072_step_val = val & 0xFFFF;
imx072_step_dir = (val >> 16) & 0x1;
return 0;
}
static int imx072_af_step(void *data, u64 *val)
{
int i = 0;
int dir = MOVE_NEAR;
imx072_set_default_focus();
msleep(3000);
if (imx072_step_dir == 1)
dir = MOVE_FAR;
for (i = 0; i < imx072_step_val; i += 4) {
imx072_move_focus(dir, 4);
msleep(1000);
}
imx072_set_default_focus();
msleep(3000);
return 0;
}
static int imx072_af_set_resolution(void *data, u64 val)
{
imx072_init_focus();
return 0;
}
static int imx072_af_get_resolution(void *data, u64 *val)
{
*val = 0xFF;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(af_codeperstep, imx072_get_af_codestep,
imx072_set_af_codestep, "%llu\n");
DEFINE_SIMPLE_ATTRIBUTE(af_linear, imx072_af_linearity_test,
imx072_set_linear_total_step, "%llu\n");
DEFINE_SIMPLE_ATTRIBUTE(af_step, imx072_af_step,
imx072_af_step_config, "%llu\n");
DEFINE_SIMPLE_ATTRIBUTE(af_step_res, imx072_af_get_resolution,
imx072_af_set_resolution, "%llu\n");
static int cam_debug_init(void)
{
struct dentry *cam_dir;
debugfs_base = debugfs_create_dir("sensor", NULL);
if (!debugfs_base)
return -ENOMEM;
cam_dir = debugfs_create_dir("imx072", debugfs_base);
if (!cam_dir)
return -ENOMEM;
if (!debugfs_create_file("stream", S_IRUGO | S_IWUSR, cam_dir,
NULL, &cam_stream))
return -ENOMEM;
if (!debugfs_create_file("af_codeperstep", S_IRUGO | S_IWUSR, cam_dir,
NULL, &af_codeperstep))
return -ENOMEM;
if (!debugfs_create_file("af_linear", S_IRUGO | S_IWUSR, cam_dir,
NULL, &af_linear))
return -ENOMEM;
if (!debugfs_create_file("af_step", S_IRUGO | S_IWUSR, cam_dir,
NULL, &af_step))
return -ENOMEM;
if (!debugfs_create_file("af_step_res", S_IRUGO | S_IWUSR, cam_dir,
NULL, &af_step_res))
return -ENOMEM;
return 0;
}
#endif
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