diff options
Diffstat (limited to 'drivers/staging/dream/camera/mt9p012_fox.c')
| -rw-r--r-- | drivers/staging/dream/camera/mt9p012_fox.c | 1306 |
1 files changed, 0 insertions, 1306 deletions
diff --git a/drivers/staging/dream/camera/mt9p012_fox.c b/drivers/staging/dream/camera/mt9p012_fox.c deleted file mode 100644 index 791bd6c4061..00000000000 --- a/drivers/staging/dream/camera/mt9p012_fox.c +++ /dev/null @@ -1,1306 +0,0 @@ -/* - * Copyright (C) 2008-2009 QUALCOMM Incorporated. - */ - -#include <linux/delay.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/uaccess.h> -#include <linux/miscdevice.h> -#include <linux/kernel.h> -#include <media/msm_camera.h> -#include <mach/gpio.h> -#include <mach/camera.h> -#include "mt9p012.h" - -/*============================================================= - SENSOR REGISTER DEFINES -==============================================================*/ -#define MT9P012_REG_MODEL_ID 0x0000 -#define MT9P012_MODEL_ID 0x2801 -#define REG_GROUPED_PARAMETER_HOLD 0x0104 -#define GROUPED_PARAMETER_HOLD 0x0100 -#define GROUPED_PARAMETER_UPDATE 0x0000 -#define REG_COARSE_INT_TIME 0x3012 -#define REG_VT_PIX_CLK_DIV 0x0300 -#define REG_VT_SYS_CLK_DIV 0x0302 -#define REG_PRE_PLL_CLK_DIV 0x0304 -#define REG_PLL_MULTIPLIER 0x0306 -#define REG_OP_PIX_CLK_DIV 0x0308 -#define REG_OP_SYS_CLK_DIV 0x030A -#define REG_SCALE_M 0x0404 -#define REG_FRAME_LENGTH_LINES 0x300A -#define REG_LINE_LENGTH_PCK 0x300C -#define REG_X_ADDR_START 0x3004 -#define REG_Y_ADDR_START 0x3002 -#define REG_X_ADDR_END 0x3008 -#define REG_Y_ADDR_END 0x3006 -#define REG_X_OUTPUT_SIZE 0x034C -#define REG_Y_OUTPUT_SIZE 0x034E -#define REG_FINE_INTEGRATION_TIME 0x3014 -#define REG_ROW_SPEED 0x3016 -#define MT9P012_REG_RESET_REGISTER 0x301A -#define MT9P012_RESET_REGISTER_PWON 0x10CC -#define MT9P012_RESET_REGISTER_PWOFF 0x10C8 -#define REG_READ_MODE 0x3040 -#define REG_GLOBAL_GAIN 0x305E -#define REG_TEST_PATTERN_MODE 0x3070 - -#define MT9P012_REV_7 - - -enum mt9p012_test_mode { - TEST_OFF, - TEST_1, - TEST_2, - TEST_3 -}; - -enum mt9p012_resolution { - QTR_SIZE, - FULL_SIZE, - INVALID_SIZE -}; - -enum mt9p012_reg_update { - /* Sensor egisters that need to be updated during initialization */ - REG_INIT, - /* Sensor egisters that needs periodic I2C writes */ - UPDATE_PERIODIC, - /* All the sensor Registers will be updated */ - UPDATE_ALL, - /* Not valid update */ - UPDATE_INVALID -}; - -enum mt9p012_setting { - RES_PREVIEW, - RES_CAPTURE -}; - -/* actuator's Slave Address */ -#define MT9P012_AF_I2C_ADDR 0x18 - -/* AF Total steps parameters */ -#define MT9P012_STEPS_NEAR_TO_CLOSEST_INF 32 -#define MT9P012_TOTAL_STEPS_NEAR_TO_FAR 32 - -#define MT9P012_MU5M0_PREVIEW_DUMMY_PIXELS 0 -#define MT9P012_MU5M0_PREVIEW_DUMMY_LINES 0 - -/* Time in milisecs for waiting for the sensor to reset.*/ -#define MT9P012_RESET_DELAY_MSECS 66 - -/* for 20 fps preview */ -#define MT9P012_DEFAULT_CLOCK_RATE 24000000 -#define MT9P012_DEFAULT_MAX_FPS 26 /* ???? */ - -struct mt9p012_work { - struct work_struct work; -}; -static struct mt9p012_work *mt9p012_sensorw; -static struct i2c_client *mt9p012_client; - -struct mt9p012_ctrl { - const struct msm_camera_sensor_info *sensordata; - - int sensormode; - uint32_t fps_divider; /* init to 1 * 0x00000400 */ - uint32_t pict_fps_divider; /* init to 1 * 0x00000400 */ - - uint16_t curr_lens_pos; - uint16_t init_curr_lens_pos; - uint16_t my_reg_gain; - uint32_t my_reg_line_count; - - enum mt9p012_resolution prev_res; - enum mt9p012_resolution pict_res; - enum mt9p012_resolution curr_res; - enum mt9p012_test_mode set_test; -}; - - -static struct mt9p012_ctrl *mt9p012_ctrl; -static DECLARE_WAIT_QUEUE_HEAD(mt9p012_wait_queue); -DECLARE_MUTEX(mt9p012_sem); - -/*============================================================= - EXTERNAL DECLARATIONS -==============================================================*/ -extern struct mt9p012_reg mt9p012_regs; /* from mt9p012_reg.c */ - - - -/*=============================================================*/ - -static int mt9p012_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 = length, - .buf = rxdata, - }, - }; - - if (i2c_transfer(mt9p012_client->adapter, msgs, 2) < 0) { - CDBG("mt9p012_i2c_rxdata failed!\n"); - return -EIO; - } - - return 0; -} - -static int32_t mt9p012_i2c_read_w(unsigned short saddr, unsigned short raddr, - unsigned short *rdata) -{ - int32_t rc = 0; - unsigned char buf[4]; - - if (!rdata) - return -EIO; - - memset(buf, 0, sizeof(buf)); - - buf[0] = (raddr & 0xFF00)>>8; - buf[1] = (raddr & 0x00FF); - - rc = mt9p012_i2c_rxdata(saddr, buf, 2); - if (rc < 0) - return rc; - - *rdata = buf[0] << 8 | buf[1]; - - if (rc < 0) - CDBG("mt9p012_i2c_read failed!\n"); - - return rc; -} - -static int32_t mt9p012_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(mt9p012_client->adapter, msg, 1) < 0) { - CDBG("mt9p012_i2c_txdata failed\n"); - return -EIO; - } - - return 0; -} - -static int32_t mt9p012_i2c_write_b(unsigned short saddr, unsigned short baddr, - unsigned short bdata) -{ - int32_t rc = -EIO; - unsigned char buf[2]; - - memset(buf, 0, sizeof(buf)); - buf[0] = baddr; - buf[1] = bdata; - rc = mt9p012_i2c_txdata(saddr, buf, 2); - - if (rc < 0) - CDBG("i2c_write failed, saddr = 0x%x addr = 0x%x, val =0x%x!\n", - saddr, baddr, bdata); - - return rc; -} - -static int32_t mt9p012_i2c_write_w(unsigned short saddr, unsigned short waddr, - unsigned short wdata) -{ - int32_t rc = -EIO; - 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); - - rc = mt9p012_i2c_txdata(saddr, buf, 4); - - if (rc < 0) - CDBG("i2c_write_w failed, addr = 0x%x, val = 0x%x!\n", - waddr, wdata); - - return rc; -} - -static int32_t mt9p012_i2c_write_w_table( - struct mt9p012_i2c_reg_conf *reg_conf_tbl, int num) -{ - int i; - int32_t rc = -EIO; - - for (i = 0; i < num; i++) { - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - reg_conf_tbl->waddr, reg_conf_tbl->wdata); - if (rc < 0) - break; - reg_conf_tbl++; - } - - return rc; -} - -static int32_t mt9p012_test(enum mt9p012_test_mode mo) -{ - int32_t rc = 0; - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, - GROUPED_PARAMETER_HOLD); - if (rc < 0) - return rc; - - if (mo == TEST_OFF) - return 0; - else { - rc = mt9p012_i2c_write_w_table(mt9p012_regs.ttbl, mt9p012_regs.ttbl_size); - if (rc < 0) - return rc; - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - REG_TEST_PATTERN_MODE, (uint16_t)mo); - if (rc < 0) - return rc; - } - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, - GROUPED_PARAMETER_UPDATE); - if (rc < 0) - return rc; - - return rc; -} - -static int32_t mt9p012_lens_shading_enable(uint8_t is_enable) -{ - int32_t rc = 0; - - CDBG("%s: entered. enable = %d\n", __func__, is_enable); - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_HOLD); - if (rc < 0) - return rc; - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, 0x3780, - ((uint16_t) is_enable) << 15); - if (rc < 0) - return rc; - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_UPDATE); - - CDBG("%s: exiting. rc = %d\n", __func__, rc); - return rc; -} - -static int32_t mt9p012_set_lc(void) -{ - int32_t rc; - - rc = mt9p012_i2c_write_w_table(mt9p012_regs.lctbl, mt9p012_regs.lctbl_size); - if (rc < 0) - return rc; - - rc = mt9p012_i2c_write_w_table(mt9p012_regs.rftbl, mt9p012_regs.rftbl_size); - - return rc; -} - -static void mt9p012_get_pict_fps(uint16_t fps, uint16_t *pfps) -{ - /* input fps is preview fps in Q8 format */ - uint32_t divider; /*Q10 */ - uint32_t pclk_mult; /*Q10 */ - - if (mt9p012_ctrl->prev_res == QTR_SIZE) { - divider = (uint32_t) - (((mt9p012_regs.reg_pat[RES_PREVIEW].frame_length_lines * - mt9p012_regs.reg_pat[RES_PREVIEW].line_length_pck) * 0x00000400) / - (mt9p012_regs.reg_pat[RES_CAPTURE].frame_length_lines * - mt9p012_regs.reg_pat[RES_CAPTURE].line_length_pck)); - - pclk_mult = - (uint32_t) ((mt9p012_regs.reg_pat[RES_CAPTURE].pll_multiplier * - 0x00000400) / (mt9p012_regs.reg_pat[RES_PREVIEW].pll_multiplier)); - } else { - /* full size resolution used for preview. */ - divider = 0x00000400; /*1.0 */ - pclk_mult = 0x00000400; /*1.0 */ - } - - /* Verify PCLK settings and frame sizes. */ - *pfps = (uint16_t) (fps * divider * pclk_mult / 0x00000400 / - 0x00000400); -} - -static uint16_t mt9p012_get_prev_lines_pf(void) -{ - if (mt9p012_ctrl->prev_res == QTR_SIZE) - return mt9p012_regs.reg_pat[RES_PREVIEW].frame_length_lines; - else - return mt9p012_regs.reg_pat[RES_CAPTURE].frame_length_lines; -} - -static uint16_t mt9p012_get_prev_pixels_pl(void) -{ - if (mt9p012_ctrl->prev_res == QTR_SIZE) - return mt9p012_regs.reg_pat[RES_PREVIEW].line_length_pck; - else - return mt9p012_regs.reg_pat[RES_CAPTURE].line_length_pck; -} - -static uint16_t mt9p012_get_pict_lines_pf(void) -{ - return mt9p012_regs.reg_pat[RES_CAPTURE].frame_length_lines; -} - -static uint16_t mt9p012_get_pict_pixels_pl(void) -{ - return mt9p012_regs.reg_pat[RES_CAPTURE].line_length_pck; -} - -static uint32_t mt9p012_get_pict_max_exp_lc(void) -{ - uint16_t snapshot_lines_per_frame; - - if (mt9p012_ctrl->pict_res == QTR_SIZE) - snapshot_lines_per_frame = - mt9p012_regs.reg_pat[RES_PREVIEW].frame_length_lines - 1; - else - snapshot_lines_per_frame = - mt9p012_regs.reg_pat[RES_CAPTURE].frame_length_lines - 1; - - return snapshot_lines_per_frame * 24; -} - -static int32_t mt9p012_set_fps(struct fps_cfg *fps) -{ - /* input is new fps in Q10 format */ - int32_t rc = 0; - - mt9p012_ctrl->fps_divider = fps->fps_div; - mt9p012_ctrl->pict_fps_divider = fps->pict_fps_div; - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, - GROUPED_PARAMETER_HOLD); - if (rc < 0) - return -EBUSY; - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - REG_LINE_LENGTH_PCK, - (mt9p012_regs.reg_pat[RES_PREVIEW].line_length_pck * - fps->f_mult / 0x00000400)); - if (rc < 0) - return rc; - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, - GROUPED_PARAMETER_UPDATE); - - return rc; -} - -static int32_t mt9p012_write_exp_gain(uint16_t gain, uint32_t line) -{ - uint16_t max_legal_gain = 0x01FF; - uint32_t line_length_ratio = 0x00000400; - enum mt9p012_setting setting; - int32_t rc = 0; - - CDBG("Line:%d mt9p012_write_exp_gain \n", __LINE__); - - if (mt9p012_ctrl->sensormode == SENSOR_PREVIEW_MODE) { - mt9p012_ctrl->my_reg_gain = gain; - mt9p012_ctrl->my_reg_line_count = (uint16_t)line; - } - - if (gain > max_legal_gain) { - CDBG("Max legal gain Line:%d \n", __LINE__); - gain = max_legal_gain; - } - - /* Verify no overflow */ - if (mt9p012_ctrl->sensormode != SENSOR_SNAPSHOT_MODE) { - line = (uint32_t)(line * mt9p012_ctrl->fps_divider / - 0x00000400); - setting = RES_PREVIEW; - } else { - line = (uint32_t)(line * mt9p012_ctrl->pict_fps_divider / - 0x00000400); - setting = RES_CAPTURE; - } - - /* Set digital gain to 1 */ -#ifdef MT9P012_REV_7 - gain |= 0x1000; -#else - gain |= 0x0200; -#endif - - if ((mt9p012_regs.reg_pat[setting].frame_length_lines - 1) < line) { - line_length_ratio = (uint32_t) (line * 0x00000400) / - (mt9p012_regs.reg_pat[setting].frame_length_lines - 1); - } else - line_length_ratio = 0x00000400; - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, - GROUPED_PARAMETER_HOLD); - if (rc < 0) { - CDBG("mt9p012_i2c_write_w failed... Line:%d \n", __LINE__); - return rc; - } - - rc = - mt9p012_i2c_write_w( - mt9p012_client->addr, - REG_GLOBAL_GAIN, gain); - if (rc < 0) { - CDBG("mt9p012_i2c_write_w failed... Line:%d \n", __LINE__); - return rc; - } - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - REG_COARSE_INT_TIME, - line); - if (rc < 0) { - CDBG("mt9p012_i2c_write_w failed... Line:%d \n", __LINE__); - return rc; - } - - CDBG("mt9p012_write_exp_gain: gain = %d, line = %d\n", gain, line); - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, - GROUPED_PARAMETER_UPDATE); - if (rc < 0) - CDBG("mt9p012_i2c_write_w failed... Line:%d \n", __LINE__); - - return rc; -} - -static int32_t mt9p012_set_pict_exp_gain(uint16_t gain, uint32_t line) -{ - int32_t rc = 0; - - CDBG("Line:%d mt9p012_set_pict_exp_gain \n", __LINE__); - - rc = - mt9p012_write_exp_gain(gain, line); - if (rc < 0) { - CDBG("Line:%d mt9p012_set_pict_exp_gain failed... \n", - __LINE__); - return rc; - } - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - MT9P012_REG_RESET_REGISTER, - 0x10CC | 0x0002); - if (rc < 0) { - CDBG("mt9p012_i2c_write_w failed... Line:%d \n", __LINE__); - return rc; - } - - mdelay(5); - - /* camera_timed_wait(snapshot_wait*exposure_ratio); */ - return rc; -} - -static int32_t mt9p012_setting(enum mt9p012_reg_update rupdate, - enum mt9p012_setting rt) -{ - int32_t rc = 0; - - switch (rupdate) { - case UPDATE_PERIODIC: - if (rt == RES_PREVIEW || rt == RES_CAPTURE) { - - struct mt9p012_i2c_reg_conf ppc_tbl[] = { - {REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_HOLD}, - {REG_ROW_SPEED, mt9p012_regs.reg_pat[rt].row_speed}, - {REG_X_ADDR_START, mt9p012_regs.reg_pat[rt].x_addr_start}, - {REG_X_ADDR_END, mt9p012_regs.reg_pat[rt].x_addr_end}, - {REG_Y_ADDR_START, mt9p012_regs.reg_pat[rt].y_addr_start}, - {REG_Y_ADDR_END, mt9p012_regs.reg_pat[rt].y_addr_end}, - {REG_READ_MODE, mt9p012_regs.reg_pat[rt].read_mode}, - {REG_SCALE_M, mt9p012_regs.reg_pat[rt].scale_m}, - {REG_X_OUTPUT_SIZE, mt9p012_regs.reg_pat[rt].x_output_size}, - {REG_Y_OUTPUT_SIZE, mt9p012_regs.reg_pat[rt].y_output_size}, - - {REG_LINE_LENGTH_PCK, mt9p012_regs.reg_pat[rt].line_length_pck}, - {REG_FRAME_LENGTH_LINES, - (mt9p012_regs.reg_pat[rt].frame_length_lines * - mt9p012_ctrl->fps_divider / 0x00000400)}, - {REG_COARSE_INT_TIME, mt9p012_regs.reg_pat[rt].coarse_int_time}, - {REG_FINE_INTEGRATION_TIME, mt9p012_regs.reg_pat[rt].fine_int_time}, - {REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_UPDATE}, - }; - - rc = mt9p012_i2c_write_w_table(&ppc_tbl[0], - ARRAY_SIZE(ppc_tbl)); - if (rc < 0) - return rc; - - rc = mt9p012_test(mt9p012_ctrl->set_test); - if (rc < 0) - return rc; - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - MT9P012_REG_RESET_REGISTER, - MT9P012_RESET_REGISTER_PWON | 0x0002); - if (rc < 0) - return rc; - - mdelay(5); /* 15? wait for sensor to transition*/ - - return rc; - } - break; /* UPDATE_PERIODIC */ - - case REG_INIT: - if (rt == RES_PREVIEW || rt == RES_CAPTURE) { - struct mt9p012_i2c_reg_conf ipc_tbl1[] = { - {MT9P012_REG_RESET_REGISTER, MT9P012_RESET_REGISTER_PWOFF}, - {REG_VT_PIX_CLK_DIV, mt9p012_regs.reg_pat[rt].vt_pix_clk_div}, - {REG_VT_SYS_CLK_DIV, mt9p012_regs.reg_pat[rt].vt_sys_clk_div}, - {REG_PRE_PLL_CLK_DIV, mt9p012_regs.reg_pat[rt].pre_pll_clk_div}, - {REG_PLL_MULTIPLIER, mt9p012_regs.reg_pat[rt].pll_multiplier}, - {REG_OP_PIX_CLK_DIV, mt9p012_regs.reg_pat[rt].op_pix_clk_div}, - {REG_OP_SYS_CLK_DIV, mt9p012_regs.reg_pat[rt].op_sys_clk_div}, -#ifdef MT9P012_REV_7 - {0x30B0, 0x0001}, - {0x308E, 0xE060}, - {0x3092, 0x0A52}, - {0x3094, 0x4656}, - {0x3096, 0x5652}, - {0x30CA, 0x8006}, - {0x312A, 0xDD02}, - {0x312C, 0x00E4}, - {0x3170, 0x299A}, -#endif - /* optimized settings for noise */ - {0x3088, 0x6FF6}, - {0x3154, 0x0282}, - {0x3156, 0x0381}, - {0x3162, 0x04CE}, - {0x0204, 0x0010}, - {0x0206, 0x0010}, - {0x0208, 0x0010}, - {0x020A, 0x0010}, - {0x020C, 0x0010}, - {MT9P012_REG_RESET_REGISTER, MT9P012_RESET_REGISTER_PWON}, - }; - - struct mt9p012_i2c_reg_conf ipc_tbl2[] = { - {MT9P012_REG_RESET_REGISTER, MT9P012_RESET_REGISTER_PWOFF}, - {REG_VT_PIX_CLK_DIV, mt9p012_regs.reg_pat[rt].vt_pix_clk_div}, - {REG_VT_SYS_CLK_DIV, mt9p012_regs.reg_pat[rt].vt_sys_clk_div}, - {REG_PRE_PLL_CLK_DIV, mt9p012_regs.reg_pat[rt].pre_pll_clk_div}, - {REG_PLL_MULTIPLIER, mt9p012_regs.reg_pat[rt].pll_multiplier}, - {REG_OP_PIX_CLK_DIV, mt9p012_regs.reg_pat[rt].op_pix_clk_div}, - {REG_OP_SYS_CLK_DIV, mt9p012_regs.reg_pat[rt].op_sys_clk_div}, -#ifdef MT9P012_REV_7 - {0x30B0, 0x0001}, - {0x308E, 0xE060}, - {0x3092, 0x0A52}, - {0x3094, 0x4656}, - {0x3096, 0x5652}, - {0x30CA, 0x8006}, - {0x312A, 0xDD02}, - {0x312C, 0x00E4}, - {0x3170, 0x299A}, -#endif - /* optimized settings for noise */ - {0x3088, 0x6FF6}, - {0x3154, 0x0282}, - {0x3156, 0x0381}, - {0x3162, 0x04CE}, - {0x0204, 0x0010}, - {0x0206, 0x0010}, - {0x0208, 0x0010}, - {0x020A, 0x0010}, - {0x020C, 0x0010}, - {MT9P012_REG_RESET_REGISTER, MT9P012_RESET_REGISTER_PWON}, - }; - - struct mt9p012_i2c_reg_conf ipc_tbl3[] = { - {REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_HOLD}, - /* Set preview or snapshot mode */ - {REG_ROW_SPEED, mt9p012_regs.reg_pat[rt].row_speed}, - {REG_X_ADDR_START, mt9p012_regs.reg_pat[rt].x_addr_start}, - {REG_X_ADDR_END, mt9p012_regs.reg_pat[rt].x_addr_end}, - {REG_Y_ADDR_START, mt9p012_regs.reg_pat[rt].y_addr_start}, - {REG_Y_ADDR_END, mt9p012_regs.reg_pat[rt].y_addr_end}, - {REG_READ_MODE, mt9p012_regs.reg_pat[rt].read_mode}, - {REG_SCALE_M, mt9p012_regs.reg_pat[rt].scale_m}, - {REG_X_OUTPUT_SIZE, mt9p012_regs.reg_pat[rt].x_output_size}, - {REG_Y_OUTPUT_SIZE, mt9p012_regs.reg_pat[rt].y_output_size}, - {REG_LINE_LENGTH_PCK, mt9p012_regs.reg_pat[rt].line_length_pck}, - {REG_FRAME_LENGTH_LINES, - mt9p012_regs.reg_pat[rt].frame_length_lines}, - {REG_COARSE_INT_TIME, mt9p012_regs.reg_pat[rt].coarse_int_time}, - {REG_FINE_INTEGRATION_TIME, mt9p012_regs.reg_pat[rt].fine_int_time}, - {REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_UPDATE}, - }; - - /* reset fps_divider */ - mt9p012_ctrl->fps_divider = 1 * 0x0400; - - rc = mt9p012_i2c_write_w_table(&ipc_tbl1[0], - ARRAY_SIZE(ipc_tbl1)); - if (rc < 0) - return rc; - - rc = mt9p012_i2c_write_w_table(&ipc_tbl2[0], - ARRAY_SIZE(ipc_tbl2)); - if (rc < 0) - return rc; - - mdelay(5); - - rc = mt9p012_i2c_write_w_table(&ipc_tbl3[0], - ARRAY_SIZE(ipc_tbl3)); - if (rc < 0) - return rc; - - /* load lens shading */ - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_HOLD); - if (rc < 0) - return rc; - - rc = mt9p012_set_lc(); - if (rc < 0) - return rc; - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - REG_GROUPED_PARAMETER_HOLD, GROUPED_PARAMETER_UPDATE); - - if (rc < 0) - return rc; - } - break; /* case REG_INIT: */ - - default: - rc = -EINVAL; - break; - } /* switch (rupdate) */ - - return rc; -} - -static int32_t mt9p012_video_config(int mode, int res) -{ - int32_t rc; - - switch (res) { - case QTR_SIZE: - rc = mt9p012_setting(UPDATE_PERIODIC, RES_PREVIEW); - if (rc < 0) - return rc; - - CDBG("mt9p012 sensor configuration done!\n"); - break; - - case FULL_SIZE: - rc = - mt9p012_setting(UPDATE_PERIODIC, RES_CAPTURE); - if (rc < 0) - return rc; - - break; - - default: - return 0; - } /* switch */ - - mt9p012_ctrl->prev_res = res; - mt9p012_ctrl->curr_res = res; - mt9p012_ctrl->sensormode = mode; - - rc = - mt9p012_write_exp_gain(mt9p012_ctrl->my_reg_gain, - mt9p012_ctrl->my_reg_line_count); - - rc = - mt9p012_i2c_write_w(mt9p012_client->addr, - MT9P012_REG_RESET_REGISTER, - 0x10cc|0x0002); - - return rc; -} - -static int32_t mt9p012_snapshot_config(int mode) -{ - int32_t rc = 0; - - rc = mt9p012_setting(UPDATE_PERIODIC, RES_CAPTURE); - if (rc < 0) - return rc; - - mt9p012_ctrl->curr_res = mt9p012_ctrl->pict_res; - - mt9p012_ctrl->sensormode = mode; - - return rc; -} - -static int32_t mt9p012_raw_snapshot_config(int mode) -{ - int32_t rc = 0; - - rc = mt9p012_setting(UPDATE_PERIODIC, RES_CAPTURE); - if (rc < 0) - return rc; - - mt9p012_ctrl->curr_res = mt9p012_ctrl->pict_res; - - mt9p012_ctrl->sensormode = mode; - - return rc; -} - -static int32_t mt9p012_power_down(void) -{ - int32_t rc = 0; - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - MT9P012_REG_RESET_REGISTER, - MT9P012_RESET_REGISTER_PWOFF); - - mdelay(5); - return rc; -} - -static int32_t mt9p012_move_focus(int direction, int32_t num_steps) -{ - int16_t step_direction; - int16_t actual_step; - int16_t next_position; - uint8_t code_val_msb, code_val_lsb; - - if (num_steps > MT9P012_TOTAL_STEPS_NEAR_TO_FAR) - num_steps = MT9P012_TOTAL_STEPS_NEAR_TO_FAR; - else if (num_steps == 0) { - CDBG("mt9p012_move_focus failed at line %d ...\n", __LINE__); - return -EINVAL; - } - - if (direction == MOVE_NEAR) - step_direction = 16; /* 10bit */ - else if (direction == MOVE_FAR) - step_direction = -16; /* 10 bit */ - else { - CDBG("mt9p012_move_focus failed at line %d ...\n", __LINE__); - return -EINVAL; - } - - if (mt9p012_ctrl->curr_lens_pos < mt9p012_ctrl->init_curr_lens_pos) - mt9p012_ctrl->curr_lens_pos = - mt9p012_ctrl->init_curr_lens_pos; - - actual_step = (int16_t)(step_direction * (int16_t)num_steps); - next_position = (int16_t)(mt9p012_ctrl->curr_lens_pos + actual_step); - - if (next_position > 1023) - next_position = 1023; - else if (next_position < 0) - next_position = 0; - - code_val_msb = next_position >> 4; - code_val_lsb = (next_position & 0x000F) << 4; - /* code_val_lsb |= mode_mask; */ - - /* Writing the digital code for current to the actuator */ - if (mt9p012_i2c_write_b(MT9P012_AF_I2C_ADDR >> 1, - code_val_msb, code_val_lsb) < 0) { - CDBG("mt9p012_move_focus failed at line %d ...\n", __LINE__); - return -EBUSY; - } - - /* Storing the current lens Position */ - mt9p012_ctrl->curr_lens_pos = next_position; - - return 0; -} - -static int32_t mt9p012_set_default_focus(void) -{ - int32_t rc = 0; - uint8_t code_val_msb, code_val_lsb; - - code_val_msb = 0x00; - code_val_lsb = 0x00; - - /* Write the digital code for current to the actuator */ - rc = mt9p012_i2c_write_b(MT9P012_AF_I2C_ADDR >> 1, - code_val_msb, code_val_lsb); - - mt9p012_ctrl->curr_lens_pos = 0; - mt9p012_ctrl->init_curr_lens_pos = 0; - - return rc; -} - -static int mt9p012_probe_init_done(const struct msm_camera_sensor_info *data) -{ - gpio_direction_output(data->sensor_reset, 0); - gpio_free(data->sensor_reset); - return 0; -} - -static int mt9p012_probe_init_sensor(const struct msm_camera_sensor_info *data) -{ - int32_t rc; - uint16_t chipid; - - rc = gpio_request(data->sensor_reset, "mt9p012"); - if (!rc) - gpio_direction_output(data->sensor_reset, 1); - else - goto init_probe_done; - - mdelay(20); - - /* RESET the sensor image part via I2C command */ - CDBG("mt9p012_sensor_init(): reseting sensor.\n"); - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - MT9P012_REG_RESET_REGISTER, 0x10CC|0x0001); - if (rc < 0) { - CDBG("sensor reset failed. rc = %d\n", rc); - goto init_probe_fail; - } - - mdelay(MT9P012_RESET_DELAY_MSECS); - - /* 3. Read sensor Model ID: */ - rc = mt9p012_i2c_read_w(mt9p012_client->addr, - MT9P012_REG_MODEL_ID, &chipid); - if (rc < 0) - goto init_probe_fail; - - /* 4. Compare sensor ID to MT9T012VC ID: */ - if (chipid != MT9P012_MODEL_ID) { - CDBG("mt9p012 wrong model_id = 0x%x\n", chipid); - rc = -ENODEV; - goto init_probe_fail; - } - - rc = mt9p012_i2c_write_w(mt9p012_client->addr, 0x306E, 0x9000); - if (rc < 0) { - CDBG("REV_7 write failed. rc = %d\n", rc); - goto init_probe_fail; - } - - /* RESET_REGISTER, enable parallel interface and disable serialiser */ - CDBG("mt9p012_sensor_init(): enabling parallel interface.\n"); - rc = mt9p012_i2c_write_w(mt9p012_client->addr, 0x301A, 0x10CC); - if (rc < 0) { - CDBG("enable parallel interface failed. rc = %d\n", rc); - goto init_probe_fail; - } - - /* To disable the 2 extra lines */ - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - 0x3064, 0x0805); - - if (rc < 0) { - CDBG("disable the 2 extra lines failed. rc = %d\n", rc); - goto init_probe_fail; - } - - mdelay(MT9P012_RESET_DELAY_MSECS); - goto init_probe_done; - -init_probe_fail: - mt9p012_probe_init_done(data); -init_probe_done: - return rc; -} - -static int mt9p012_sensor_open_init(const struct msm_camera_sensor_info *data) -{ - int32_t rc; - - mt9p012_ctrl = kzalloc(sizeof(struct mt9p012_ctrl), GFP_KERNEL); - if (!mt9p012_ctrl) { - CDBG("mt9p012_init failed!\n"); - rc = -ENOMEM; - goto init_done; - } - - mt9p012_ctrl->fps_divider = 1 * 0x00000400; - mt9p012_ctrl->pict_fps_divider = 1 * 0x00000400; - mt9p012_ctrl->set_test = TEST_OFF; - mt9p012_ctrl->prev_res = QTR_SIZE; - mt9p012_ctrl->pict_res = FULL_SIZE; - - if (data) - mt9p012_ctrl->sensordata = data; - - /* enable mclk first */ - msm_camio_clk_rate_set(MT9P012_DEFAULT_CLOCK_RATE); - mdelay(20); - - msm_camio_camif_pad_reg_reset(); - mdelay(20); - - rc = mt9p012_probe_init_sensor(data); - if (rc < 0) - goto init_fail1; - - if (mt9p012_ctrl->prev_res == QTR_SIZE) - rc = mt9p012_setting(REG_INIT, RES_PREVIEW); - else - rc = mt9p012_setting(REG_INIT, RES_CAPTURE); - - if (rc < 0) { - CDBG("mt9p012_setting failed. rc = %d\n", rc); - goto init_fail1; - } - - /* sensor : output enable */ - CDBG("mt9p012_sensor_open_init(): enabling output.\n"); - rc = mt9p012_i2c_write_w(mt9p012_client->addr, - MT9P012_REG_RESET_REGISTER, MT9P012_RESET_REGISTER_PWON); - if (rc < 0) { - CDBG("sensor output enable failed. rc = %d\n", rc); - goto init_fail1; - } - - /* TODO: enable AF actuator */ -#if 0 - CDBG("enable AF actuator, gpio = %d\n", - mt9p012_ctrl->sensordata->vcm_pwd); - rc = gpio_request(mt9p012_ctrl->sensordata->vcm_pwd, "mt9p012"); - if (!rc) - gpio_direction_output(mt9p012_ctrl->sensordata->vcm_pwd, 1); - else { - CDBG("mt9p012_ctrl gpio request failed!\n"); - goto init_fail1; - } - mdelay(20); - - rc = mt9p012_set_default_focus(); -#endif - if (rc >= 0) - goto init_done; - - /* TODO: - * gpio_direction_output(mt9p012_ctrl->sensordata->vcm_pwd, 0); - * gpio_free(mt9p012_ctrl->sensordata->vcm_pwd); */ -init_fail1: - mt9p012_probe_init_done(data); - kfree(mt9p012_ctrl); -init_done: - return rc; -} - -static int mt9p012_init_client(struct i2c_client *client) -{ - /* Initialize the MSM_CAMI2C Chip */ - init_waitqueue_head(&mt9p012_wait_queue); - return 0; -} - -static int32_t mt9p012_set_sensor_mode(int mode, int res) -{ - int32_t rc = 0; - - switch (mode) { - case SENSOR_PREVIEW_MODE: - rc = mt9p012_video_config(mode, res); - break; - - case SENSOR_SNAPSHOT_MODE: - rc = mt9p012_snapshot_config(mode); - break; - - case SENSOR_RAW_SNAPSHOT_MODE: - rc = mt9p012_raw_snapshot_config(mode); - break; - - default: - rc = -EINVAL; - break; - } - - return rc; -} - -int mt9p012_sensor_config(void __user *argp) -{ - struct sensor_cfg_data cdata; - int rc = 0; - - if (copy_from_user(&cdata, - (void *)argp, - sizeof(struct sensor_cfg_data))) - return -EFAULT; - - down(&mt9p012_sem); - - CDBG("%s: cfgtype = %d\n", __func__, cdata.cfgtype); - switch (cdata.cfgtype) { - case CFG_GET_PICT_FPS: - mt9p012_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 = mt9p012_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 = mt9p012_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 = mt9p012_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 = mt9p012_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 = - mt9p012_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 = mt9p012_set_fps(&(cdata.cfg.fps)); - break; - - case CFG_SET_EXP_GAIN: - rc = mt9p012_write_exp_gain(cdata.cfg.exp_gain.gain, - cdata.cfg.exp_gain.line); - break; - - case CFG_SET_PICT_EXP_GAIN: - CDBG("Line:%d CFG_SET_PICT_EXP_GAIN \n", __LINE__); - rc = mt9p012_set_pict_exp_gain(cdata.cfg.exp_gain.gain, - cdata.cfg.exp_gain.line); - break; - - case CFG_SET_MODE: - rc = mt9p012_set_sensor_mode(cdata.mode, cdata.rs); - break; - - case CFG_PWR_DOWN: - rc = mt9p012_power_down(); - break; - - case CFG_MOVE_FOCUS: - CDBG("mt9p012_ioctl: CFG_MOVE_FOCUS: cdata.cfg.focus.dir=%d cdata.cfg.focus.steps=%d\n", - cdata.cfg.focus.dir, cdata.cfg.focus.steps); - rc = mt9p012_move_focus(cdata.cfg.focus.dir, - cdata.cfg.focus.steps); - break; - - case CFG_SET_DEFAULT_FOCUS: - rc = mt9p012_set_default_focus(); - break; - - case CFG_SET_LENS_SHADING: - CDBG("%s: CFG_SET_LENS_SHADING\n", __func__); - rc = mt9p012_lens_shading_enable(cdata.cfg.lens_shading); - break; - - case CFG_GET_AF_MAX_STEPS: - cdata.max_steps = MT9P012_STEPS_NEAR_TO_CLOSEST_INF; - if (copy_to_user((void *)argp, - &cdata, - sizeof(struct sensor_cfg_data))) - rc = -EFAULT; - break; - - case CFG_SET_EFFECT: - default: - rc = -EINVAL; - break; - } - - up(&mt9p012_sem); - return rc; -} - -int mt9p012_sensor_release(void) -{ - int rc = -EBADF; - - down(&mt9p012_sem); - - mt9p012_power_down(); - - gpio_direction_output(mt9p012_ctrl->sensordata->sensor_reset, - 0); - gpio_free(mt9p012_ctrl->sensordata->sensor_reset); - - gpio_direction_output(mt9p012_ctrl->sensordata->vcm_pwd, 0); - gpio_free(mt9p012_ctrl->sensordata->vcm_pwd); - - kfree(mt9p012_ctrl); - mt9p012_ctrl = NULL; - - CDBG("mt9p012_release completed\n"); - - up(&mt9p012_sem); - return rc; -} - -static int mt9p012_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int rc = 0; - CDBG("mt9p012_probe called!\n"); - - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - CDBG("i2c_check_functionality failed\n"); - goto probe_failure; - } - - mt9p012_sensorw = kzalloc(sizeof(struct mt9p012_work), GFP_KERNEL); - if (!mt9p012_sensorw) { - CDBG("kzalloc failed.\n"); - rc = -ENOMEM; - goto probe_failure; - } - - i2c_set_clientdata(client, mt9p012_sensorw); - mt9p012_init_client(client); - mt9p012_client = client; - - mdelay(50); - - CDBG("mt9p012_probe successed! rc = %d\n", rc); - return 0; - -probe_failure: - CDBG("mt9p012_probe failed! rc = %d\n", rc); - return rc; -} - -static const struct i2c_device_id mt9p012_i2c_id[] = { - { "mt9p012", 0}, - { } -}; - -static struct i2c_driver mt9p012_i2c_driver = { - .id_table = mt9p012_i2c_id, - .probe = mt9p012_i2c_probe, - .remove = __exit_p(mt9p012_i2c_remove), - .driver = { - .name = "mt9p012", - }, -}; - -static int mt9p012_sensor_probe(const struct msm_camera_sensor_info *info, - struct msm_sensor_ctrl *s) -{ - int rc = i2c_add_driver(&mt9p012_i2c_driver); - if (rc < 0 || mt9p012_client == NULL) { - rc = -ENOTSUPP; - goto probe_done; - } - - msm_camio_clk_rate_set(MT9P012_DEFAULT_CLOCK_RATE); - mdelay(20); - - rc = mt9p012_probe_init_sensor(info); - if (rc < 0) - goto probe_done; - - s->s_init = mt9p012_sensor_open_init; - s->s_release = mt9p012_sensor_release; - s->s_config = mt9p012_sensor_config; - mt9p012_probe_init_done(info); - -probe_done: - CDBG("%s %s:%d\n", __FILE__, __func__, __LINE__); - return rc; -} - -static int __mt9p012_probe(struct platform_device *pdev) -{ - return msm_camera_drv_start(pdev, mt9p012_sensor_probe); -} - -static struct platform_driver msm_camera_driver = { - .probe = __mt9p012_probe, - .driver = { - .name = "msm_camera_mt9p012", - .owner = THIS_MODULE, - }, -}; - -static int __init mt9p012_init(void) -{ - return platform_driver_register(&msm_camera_driver); -} - -module_init(mt9p012_init); |