diff options
Diffstat (limited to 'drivers/staging/dream/camera/mt9d112.c')
| -rw-r--r-- | drivers/staging/dream/camera/mt9d112.c | 762 |
1 files changed, 0 insertions, 762 deletions
diff --git a/drivers/staging/dream/camera/mt9d112.c b/drivers/staging/dream/camera/mt9d112.c deleted file mode 100644 index e6f2d512461..00000000000 --- a/drivers/staging/dream/camera/mt9d112.c +++ /dev/null @@ -1,762 +0,0 @@ -/* - * Copyright (C) 2008-2009 QUALCOMM Incorporated. - */ - -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/i2c.h> -#include <linux/uaccess.h> -#include <linux/miscdevice.h> -#include <media/msm_camera.h> -#include <mach/gpio.h> -#include "mt9d112.h" - -/* Micron MT9D112 Registers and their values */ -/* Sensor Core Registers */ -#define REG_MT9D112_MODEL_ID 0x3000 -#define MT9D112_MODEL_ID 0x1580 - -/* SOC Registers Page 1 */ -#define REG_MT9D112_SENSOR_RESET 0x301A -#define REG_MT9D112_STANDBY_CONTROL 0x3202 -#define REG_MT9D112_MCU_BOOT 0x3386 - -struct mt9d112_work { - struct work_struct work; -}; - -static struct mt9d112_work *mt9d112_sensorw; -static struct i2c_client *mt9d112_client; - -struct mt9d112_ctrl { - const struct msm_camera_sensor_info *sensordata; -}; - - -static struct mt9d112_ctrl *mt9d112_ctrl; - -static DECLARE_WAIT_QUEUE_HEAD(mt9d112_wait_queue); -DECLARE_MUTEX(mt9d112_sem); - - -/*============================================================= - EXTERNAL DECLARATIONS -==============================================================*/ -extern struct mt9d112_reg mt9d112_regs; - - -/*=============================================================*/ - -static int mt9d112_reset(const struct msm_camera_sensor_info *dev) -{ - int rc = 0; - - rc = gpio_request(dev->sensor_reset, "mt9d112"); - - if (!rc) { - rc = gpio_direction_output(dev->sensor_reset, 0); - mdelay(20); - rc = gpio_direction_output(dev->sensor_reset, 1); - } - - gpio_free(dev->sensor_reset); - return rc; -} - -static int32_t mt9d112_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(mt9d112_client->adapter, msg, 1) < 0) { - CDBG("mt9d112_i2c_txdata failed\n"); - return -EIO; - } - - return 0; -} - -static int32_t mt9d112_i2c_write(unsigned short saddr, - unsigned short waddr, unsigned short wdata, enum mt9d112_width width) -{ - int32_t rc = -EIO; - unsigned char buf[4]; - - memset(buf, 0, sizeof(buf)); - switch (width) { - case WORD_LEN: { - buf[0] = (waddr & 0xFF00)>>8; - buf[1] = (waddr & 0x00FF); - buf[2] = (wdata & 0xFF00)>>8; - buf[3] = (wdata & 0x00FF); - - rc = mt9d112_i2c_txdata(saddr, buf, 4); - } - break; - - case BYTE_LEN: { - buf[0] = waddr; - buf[1] = wdata; - rc = mt9d112_i2c_txdata(saddr, buf, 2); - } - break; - - default: - break; - } - - if (rc < 0) - CDBG( - "i2c_write failed, addr = 0x%x, val = 0x%x!\n", - waddr, wdata); - - return rc; -} - -static int32_t mt9d112_i2c_write_table( - struct mt9d112_i2c_reg_conf const *reg_conf_tbl, - int num_of_items_in_table) -{ - int i; - int32_t rc = -EIO; - - for (i = 0; i < num_of_items_in_table; i++) { - rc = mt9d112_i2c_write(mt9d112_client->addr, - reg_conf_tbl->waddr, reg_conf_tbl->wdata, - reg_conf_tbl->width); - if (rc < 0) - break; - if (reg_conf_tbl->mdelay_time != 0) - mdelay(reg_conf_tbl->mdelay_time); - reg_conf_tbl++; - } - - return rc; -} - -static int mt9d112_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(mt9d112_client->adapter, msgs, 2) < 0) { - CDBG("mt9d112_i2c_rxdata failed!\n"); - return -EIO; - } - - return 0; -} - -static int32_t mt9d112_i2c_read(unsigned short saddr, - unsigned short raddr, unsigned short *rdata, enum mt9d112_width width) -{ - int32_t rc = 0; - unsigned char buf[4]; - - if (!rdata) - return -EIO; - - memset(buf, 0, sizeof(buf)); - - switch (width) { - case WORD_LEN: { - buf[0] = (raddr & 0xFF00)>>8; - buf[1] = (raddr & 0x00FF); - - rc = mt9d112_i2c_rxdata(saddr, buf, 2); - if (rc < 0) - return rc; - - *rdata = buf[0] << 8 | buf[1]; - } - break; - - default: - break; - } - - if (rc < 0) - CDBG("mt9d112_i2c_read failed!\n"); - - return rc; -} - -static int32_t mt9d112_set_lens_roll_off(void) -{ - int32_t rc = 0; - rc = mt9d112_i2c_write_table(&mt9d112_regs.rftbl[0], - mt9d112_regs.rftbl_size); - return rc; -} - -static long mt9d112_reg_init(void) -{ - int32_t array_length; - int32_t i; - long rc; - - /* PLL Setup Start */ - rc = mt9d112_i2c_write_table(&mt9d112_regs.plltbl[0], - mt9d112_regs.plltbl_size); - - if (rc < 0) - return rc; - /* PLL Setup End */ - - array_length = mt9d112_regs.prev_snap_reg_settings_size; - - /* Configure sensor for Preview mode and Snapshot mode */ - for (i = 0; i < array_length; i++) { - rc = mt9d112_i2c_write(mt9d112_client->addr, - mt9d112_regs.prev_snap_reg_settings[i].register_address, - mt9d112_regs.prev_snap_reg_settings[i].register_value, - WORD_LEN); - - if (rc < 0) - return rc; - } - - /* Configure for Noise Reduction, Saturation and Aperture Correction */ - array_length = mt9d112_regs.noise_reduction_reg_settings_size; - - for (i = 0; i < array_length; i++) { - rc = mt9d112_i2c_write(mt9d112_client->addr, - mt9d112_regs.noise_reduction_reg_settings[i].register_address, - mt9d112_regs.noise_reduction_reg_settings[i].register_value, - WORD_LEN); - - if (rc < 0) - return rc; - } - - /* Set Color Kill Saturation point to optimum value */ - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x35A4, - 0x0593, - WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write_table(&mt9d112_regs.stbl[0], - mt9d112_regs.stbl_size); - if (rc < 0) - return rc; - - rc = mt9d112_set_lens_roll_off(); - if (rc < 0) - return rc; - - return 0; -} - -static long mt9d112_set_sensor_mode(int mode) -{ - uint16_t clock; - long rc = 0; - - switch (mode) { - case SENSOR_PREVIEW_MODE: - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, 0xA20C, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, 0x0004, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, 0xA215, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, 0x0004, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, 0xA20B, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, 0x0000, WORD_LEN); - if (rc < 0) - return rc; - - clock = 0x0250; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x341C, clock, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, 0xA103, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, 0x0001, WORD_LEN); - if (rc < 0) - return rc; - - mdelay(5); - break; - - case SENSOR_SNAPSHOT_MODE: - /* Switch to lower fps for Snapshot */ - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x341C, 0x0120, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, 0xA120, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, 0x0002, WORD_LEN); - if (rc < 0) - return rc; - - mdelay(5); - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, 0xA103, WORD_LEN); - if (rc < 0) - return rc; - - rc = - mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, 0x0002, WORD_LEN); - if (rc < 0) - return rc; - break; - - default: - return -EINVAL; - } - - return 0; -} - -static long mt9d112_set_effect(int mode, int effect) -{ - uint16_t reg_addr; - uint16_t reg_val; - long rc = 0; - - switch (mode) { - case SENSOR_PREVIEW_MODE: - /* Context A Special Effects */ - reg_addr = 0x2799; - break; - - case SENSOR_SNAPSHOT_MODE: - /* Context B Special Effects */ - reg_addr = 0x279B; - break; - - default: - reg_addr = 0x2799; - break; - } - - switch (effect) { - case CAMERA_EFFECT_OFF: { - reg_val = 0x6440; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, reg_addr, WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, reg_val, WORD_LEN); - if (rc < 0) - return rc; - } - break; - - case CAMERA_EFFECT_MONO: { - reg_val = 0x6441; - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, reg_addr, WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, reg_val, WORD_LEN); - if (rc < 0) - return rc; - } - break; - - case CAMERA_EFFECT_NEGATIVE: { - reg_val = 0x6443; - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, reg_addr, WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, reg_val, WORD_LEN); - if (rc < 0) - return rc; - } - break; - - case CAMERA_EFFECT_SOLARIZE: { - reg_val = 0x6445; - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, reg_addr, WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, reg_val, WORD_LEN); - if (rc < 0) - return rc; - } - break; - - case CAMERA_EFFECT_SEPIA: { - reg_val = 0x6442; - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, reg_addr, WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, reg_val, WORD_LEN); - if (rc < 0) - return rc; - } - break; - - case CAMERA_EFFECT_PASTEL: - case CAMERA_EFFECT_MOSAIC: - case CAMERA_EFFECT_RESIZE: - return -EINVAL; - - default: { - reg_val = 0x6440; - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, reg_addr, WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, reg_val, WORD_LEN); - if (rc < 0) - return rc; - - return -EINVAL; - } - } - - /* Refresh Sequencer */ - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x338C, 0xA103, WORD_LEN); - if (rc < 0) - return rc; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x3390, 0x0005, WORD_LEN); - - return rc; -} - -static int mt9d112_sensor_init_probe(const struct msm_camera_sensor_info *data) -{ - uint16_t model_id = 0; - int rc = 0; - - CDBG("init entry \n"); - rc = mt9d112_reset(data); - if (rc < 0) { - CDBG("reset failed!\n"); - goto init_probe_fail; - } - - mdelay(5); - - /* Micron suggested Power up block Start: - * Put MCU into Reset - Stop MCU */ - rc = mt9d112_i2c_write(mt9d112_client->addr, - REG_MT9D112_MCU_BOOT, 0x0501, WORD_LEN); - if (rc < 0) - goto init_probe_fail; - - /* Pull MCU from Reset - Start MCU */ - rc = mt9d112_i2c_write(mt9d112_client->addr, - REG_MT9D112_MCU_BOOT, 0x0500, WORD_LEN); - if (rc < 0) - goto init_probe_fail; - - mdelay(5); - - /* Micron Suggested - Power up block */ - rc = mt9d112_i2c_write(mt9d112_client->addr, - REG_MT9D112_SENSOR_RESET, 0x0ACC, WORD_LEN); - if (rc < 0) - goto init_probe_fail; - - rc = mt9d112_i2c_write(mt9d112_client->addr, - REG_MT9D112_STANDBY_CONTROL, 0x0008, WORD_LEN); - if (rc < 0) - goto init_probe_fail; - - /* FUSED_DEFECT_CORRECTION */ - rc = mt9d112_i2c_write(mt9d112_client->addr, - 0x33F4, 0x031D, WORD_LEN); - if (rc < 0) - goto init_probe_fail; - - mdelay(5); - - /* Micron suggested Power up block End */ - /* Read the Model ID of the sensor */ - rc = mt9d112_i2c_read(mt9d112_client->addr, - REG_MT9D112_MODEL_ID, &model_id, WORD_LEN); - if (rc < 0) - goto init_probe_fail; - - CDBG("mt9d112 model_id = 0x%x\n", model_id); - - /* Check if it matches it with the value in Datasheet */ - if (model_id != MT9D112_MODEL_ID) { - rc = -EINVAL; - goto init_probe_fail; - } - - rc = mt9d112_reg_init(); - if (rc < 0) - goto init_probe_fail; - - return rc; - -init_probe_fail: - return rc; -} - -int mt9d112_sensor_init(const struct msm_camera_sensor_info *data) -{ - int rc = 0; - - mt9d112_ctrl = kzalloc(sizeof(struct mt9d112_ctrl), GFP_KERNEL); - if (!mt9d112_ctrl) { - CDBG("mt9d112_init failed!\n"); - rc = -ENOMEM; - goto init_done; - } - - if (data) - mt9d112_ctrl->sensordata = data; - - /* Input MCLK = 24MHz */ - msm_camio_clk_rate_set(24000000); - mdelay(5); - - msm_camio_camif_pad_reg_reset(); - - rc = mt9d112_sensor_init_probe(data); - if (rc < 0) { - CDBG("mt9d112_sensor_init failed!\n"); - goto init_fail; - } - -init_done: - return rc; - -init_fail: - kfree(mt9d112_ctrl); - return rc; -} - -static int mt9d112_init_client(struct i2c_client *client) -{ - /* Initialize the MSM_CAMI2C Chip */ - init_waitqueue_head(&mt9d112_wait_queue); - return 0; -} - -int mt9d112_sensor_config(void __user *argp) -{ - struct sensor_cfg_data cfg_data; - long rc = 0; - - if (copy_from_user(&cfg_data, - (void *)argp, - sizeof(struct sensor_cfg_data))) - return -EFAULT; - - /* down(&mt9d112_sem); */ - - CDBG("mt9d112_ioctl, cfgtype = %d, mode = %d\n", - cfg_data.cfgtype, cfg_data.mode); - - switch (cfg_data.cfgtype) { - case CFG_SET_MODE: - rc = mt9d112_set_sensor_mode( - cfg_data.mode); - break; - - case CFG_SET_EFFECT: - rc = mt9d112_set_effect(cfg_data.mode, - cfg_data.cfg.effect); - break; - - case CFG_GET_AF_MAX_STEPS: - default: - rc = -EINVAL; - break; - } - - /* up(&mt9d112_sem); */ - - return rc; -} - -int mt9d112_sensor_release(void) -{ - int rc = 0; - - /* down(&mt9d112_sem); */ - - kfree(mt9d112_ctrl); - /* up(&mt9d112_sem); */ - - return rc; -} - -static int mt9d112_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int rc = 0; - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - rc = -ENOTSUPP; - goto probe_failure; - } - - mt9d112_sensorw = - kzalloc(sizeof(struct mt9d112_work), GFP_KERNEL); - - if (!mt9d112_sensorw) { - rc = -ENOMEM; - goto probe_failure; - } - - i2c_set_clientdata(client, mt9d112_sensorw); - mt9d112_init_client(client); - mt9d112_client = client; - - CDBG("mt9d112_probe succeeded!\n"); - - return 0; - -probe_failure: - kfree(mt9d112_sensorw); - mt9d112_sensorw = NULL; - CDBG("mt9d112_probe failed!\n"); - return rc; -} - -static const struct i2c_device_id mt9d112_i2c_id[] = { - { "mt9d112", 0}, - { }, -}; - -static struct i2c_driver mt9d112_i2c_driver = { - .id_table = mt9d112_i2c_id, - .probe = mt9d112_i2c_probe, - .remove = __exit_p(mt9d112_i2c_remove), - .driver = { - .name = "mt9d112", - }, -}; - -static int mt9d112_sensor_probe(const struct msm_camera_sensor_info *info, - struct msm_sensor_ctrl *s) -{ - int rc = i2c_add_driver(&mt9d112_i2c_driver); - if (rc < 0 || mt9d112_client == NULL) { - rc = -ENOTSUPP; - goto probe_done; - } - - /* Input MCLK = 24MHz */ - msm_camio_clk_rate_set(24000000); - mdelay(5); - - rc = mt9d112_sensor_init_probe(info); - if (rc < 0) - goto probe_done; - - s->s_init = mt9d112_sensor_init; - s->s_release = mt9d112_sensor_release; - s->s_config = mt9d112_sensor_config; - -probe_done: - CDBG("%s %s:%d\n", __FILE__, __func__, __LINE__); - return rc; -} - -static int __mt9d112_probe(struct platform_device *pdev) -{ - return msm_camera_drv_start(pdev, mt9d112_sensor_probe); -} - -static struct platform_driver msm_camera_driver = { - .probe = __mt9d112_probe, - .driver = { - .name = "msm_camera_mt9d112", - .owner = THIS_MODULE, - }, -}; - -static int __init mt9d112_init(void) -{ - return platform_driver_register(&msm_camera_driver); -} - -module_init(mt9d112_init); |