diff options
Diffstat (limited to 'drivers/staging/dream/camera/mt9p012_fox.c')
| -rw-r--r-- | drivers/staging/dream/camera/mt9p012_fox.c | 1305 |
1 files changed, 1305 insertions, 0 deletions
diff --git a/drivers/staging/dream/camera/mt9p012_fox.c b/drivers/staging/dream/camera/mt9p012_fox.c new file mode 100644 index 000000000000..70119d5e0ab3 --- /dev/null +++ b/drivers/staging/dream/camera/mt9p012_fox.c @@ -0,0 +1,1305 @@ +/* + * Copyright (C) 2008-2009 QUALCOMM Incorporated. + */ + +#include <linux/delay.h> +#include <linux/types.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); |