diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 825113cfc750..4094f3a20c3f 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -1047,6 +1047,13 @@ config VIDEO_DW9714 ---help--- This is a driver for the DW9714 camera lens voice coil. +config VIDEO_FP5510 + tristate "FP5510 lens voice coil support" + depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER + depends on VIDEO_V4L2_SUBDEV_API + ---help--- + This is a driver for the FP5510 camera lens voice coil. + comment "Audio/Video compression chips" config VIDEO_SAA6752HS diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 7eb0cb2aff79..838ae9a988fe 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -114,4 +114,5 @@ obj-$(CONFIG_VIDEO_BF3925) += bf3925.o obj-$(CONFIG_VIDEO_PREISP_DUMMY_SENSOR) += preisp-dummy.o obj-$(CONFIG_VIDEO_VM149C) += vm149c.o obj-$(CONFIG_VIDEO_DW9714) += dw9714.o +obj-$(CONFIG_VIDEO_FP5510) += fp5510.o obj-$(CONFIG_VIDEO_VIRT_CAMERA) += virtual-camera.o diff --git a/drivers/media/i2c/fp5510.c b/drivers/media/i2c/fp5510.c new file mode 100644 index 000000000000..781900a2806f --- /dev/null +++ b/drivers/media/i2c/fp5510.c @@ -0,0 +1,814 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * fp5510 vcm driver + * + * Copyright (C) 2019 Fuzhou Rockchip Electronics Co., Ltd. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include "rk_vcm_head.h" +#include + +#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x0) +#define FP5510_NAME "fp5510" + +#define FP5510_MAX_CURRENT 100U +#define FP5510_MAX_REG 1023U + +#define FP5510_DEFAULT_START_CURRENT 0 +#define FP5510_DEFAULT_RATED_CURRENT 100 +#define FP5510_DEFAULT_STEP_MODE 0xd +#define REG_NULL 0xFF +#define ENABLE 0x1 +#define DISABLE 0x0 +/* fp5510 device structure */ +struct fp5510_device { + struct v4l2_ctrl_handler ctrls_vcm; + struct v4l2_subdev sd; + struct v4l2_device vdev; + u16 current_val; + struct gpio_desc *pwdn_gpio; + + unsigned short current_related_pos; + unsigned short current_lens_pos; + unsigned int start_current; + unsigned int rated_current; + unsigned int step; + unsigned int step_mode; + unsigned int vcm_movefull_t; + unsigned int esc_enable; + unsigned int tsc_enable; + unsigned int t_src; + unsigned int mclk; + + struct timeval start_move_tv; + struct timeval end_move_tv; + unsigned long move_ms; + + u32 module_index; + const char *module_facing; +}; + +struct TimeTabel_s { + unsigned int t_src;/* time of slew rate control */ + unsigned int step00;/* S[1:0] /MCLK[1:0] step period */ + unsigned int step01; + unsigned int step10; + unsigned int step11; +}; + +static const struct TimeTabel_s fp5510_lsc_time_table[] = { + {0b10000, 136, 272, 544, 1088}, + {0b10001, 130, 260, 520, 1040}, + {0b10010, 125, 250, 500, 1000}, + {0b10011, 120, 240, 480, 960 }, + {0b10100, 116, 232, 464, 928 }, + {0b10101, 112, 224, 448, 896 }, + {0b10110, 108, 216, 432, 864 }, + {0b10111, 104, 208, 416, 832 }, + {0b11000, 101, 202, 404, 808 }, + {0b11001, 98, 196, 392, 784 }, + {0b11010, 95, 190, 380, 760 }, + {0b11011, 92, 184, 368, 736 }, + {0b11100, 89, 178, 356, 712 }, + {0b11101, 87, 174, 348, 696 }, + {0b11110, 85, 170, 340, 680 }, + {0b11111, 83, 166, 332, 664 }, + {0b00000, 81, 162, 324, 648 }, + {0b00001, 79, 158, 316, 632 }, + {0b00010, 77, 155, 310, 620 }, + {0b00011, 76, 152, 304, 608 }, + {0b00100, 74, 149, 298, 596 }, + {0b00101, 73, 146, 292, 584 }, + {0b00110, 71, 143, 286, 572 }, + {0b00111, 70, 140, 280, 560 }, + {0b01000, 69, 138, 276, 552 }, + {0b01001, 68, 136, 272, 544 }, + {0b01010, 67, 134, 268, 536 }, + {0b01011, 66, 132, 264, 528 }, + {0b01100, 65, 131, 262, 524 }, + {0b01101, 65, 130, 260, 520 }, + {0b01110, 64, 129, 258, 516 }, + {0b01111, 64, 128, 256, 512 }, + {REG_NULL, 0, 0, 0, 0}, +}; + +static const struct TimeTabel_s fp5510_dlc_time_table[] = {/* us */ + {0b10000, 21250, 10630, 5310, 2660}, + {0b10001, 20310, 10160, 5080, 2540}, + {0b10010, 19530, 9770, 4880, 2440}, + {0b10011, 18750, 9380, 4690, 2340}, + {0b10100, 18130, 9060, 4530, 2270}, + {0b10101, 17500, 8750, 4380, 2190}, + {0b10110, 16880, 8440, 4220, 2110}, + {0b10111, 16250, 8130, 4060, 2030}, + {0b11000, 15780, 7890, 3950, 1970}, + {0b11001, 15310, 7660, 3830, 1910}, + {0b11010, 14840, 7420, 3710, 1860}, + {0b11011, 14380, 7190, 3590, 1800}, + {0b11100, 13910, 6950, 3480, 1740}, + {0b11101, 13590, 6800, 3400, 1700}, + {0b11110, 13280, 6640, 3320, 1660}, + {0b11111, 12970, 6480, 3240, 1620}, + {0b00000, 12660, 6330, 3160, 1580}, + {0b00001, 12340, 6170, 3090, 1540}, + {0b00010, 12110, 6050, 3030, 1510}, + {0b00011, 11880, 5940, 2970, 1480}, + {0b00100, 11640, 5820, 2910, 1460}, + {0b00101, 11410, 5700, 2850, 1430}, + {0b00110, 11170, 5590, 2790, 1400}, + {0b00111, 10940, 5470, 2730, 1370}, + {0b01000, 10780, 5390, 2700, 1350}, + {0b01001, 10630, 5310, 2660, 1330}, + {0b01010, 10470, 5230, 2620, 1310}, + {0b01011, 10310, 5160, 2580, 1290}, + {0b01100, 10230, 5120, 2560, 1280}, + {0b01101, 10160, 5080, 2540, 1270}, + {0b01110, 10080, 5040, 2520, 1260}, + {0b01111, 10000, 5000, 2500, 1250}, + {REG_NULL, 0, 0, 0, 0}, +}; + +static inline struct fp5510_device *to_fp5510_vcm(struct v4l2_ctrl *ctrl) +{ + return container_of(ctrl->handler, struct fp5510_device, ctrls_vcm); +} + +static inline struct fp5510_device *sd_to_fp5510_vcm(struct v4l2_subdev *subdev) +{ + return container_of(subdev, struct fp5510_device, sd); +} + +static int __fp5510_power_on(struct fp5510_device *dev_vcm) +{ + if (!IS_ERR(dev_vcm->pwdn_gpio)) { + gpiod_set_value_cansleep(dev_vcm->pwdn_gpio, 1); + dev_err(dev_vcm->sd.dev, "power on success!\n"); + } + + return 0; +} + +static int __fp5510_power_off(struct fp5510_device *dev_vcm) +{ + if (!IS_ERR(dev_vcm->pwdn_gpio)) { + gpiod_set_value_cansleep(dev_vcm->pwdn_gpio, 0); + dev_err(dev_vcm->sd.dev, "power off success!\n"); + } + + return 0; +} + +static int fp5510_read_msg(struct i2c_client *client, + unsigned char *msb, unsigned char *lsb) +{ + int ret = 0; + struct i2c_msg msg[1]; + unsigned char data[2]; + int retries; + + if (!client->adapter) { + dev_err(&client->dev, "client->adapter NULL\n"); + return -ENODEV; + } + + for (retries = 0; retries < 5; retries++) { + msg->addr = client->addr; + msg->flags = I2C_M_RD; + msg->len = 2; + msg->buf = data; + + ret = i2c_transfer(client->adapter, msg, 1); + if (ret == 1) { + dev_dbg(&client->dev, + "%s: vcm i2c ok, addr 0x%x, data 0x%x, 0x%x\n", + __func__, msg->addr, data[0], data[1]); + + *msb = data[0]; + *lsb = data[1]; + return 0; + } + + dev_info(&client->dev, + "retrying I2C... %d\n", retries); + retries++; + msleep(20); + } + dev_err(&client->dev, + "%s: i2c write to failed with error %d\n", __func__, ret); + return ret; +} + +static int fp5510_write_msg(struct i2c_client *client, + u8 msb, u8 lsb) +{ + int ret = 0; + struct i2c_msg msg[1]; + unsigned char data[2]; + int retries; + + if (!client->adapter) { + dev_err(&client->dev, "client->adapter NULL\n"); + return -ENODEV; + } + + for (retries = 0; retries < 5; retries++) { + msg->addr = client->addr; + msg->flags = 0; + msg->len = 2; + msg->buf = data; + + data[0] = msb; + data[1] = lsb; + + ret = i2c_transfer(client->adapter, msg, 1); + + if (ret == 1) { + dev_dbg(&client->dev, + "%s: vcm i2c ok, addr 0x%x, data 0x%x, 0x%x\n", + __func__, msg->addr, data[0], data[1]); + return 0; + } + + dev_info(&client->dev, + "retrying I2C... %d\n", retries); + retries++; + msleep(20); + } + dev_err(&client->dev, + "i2c write to failed with error %d msb:%d lsb:%d\n", + ret, msb, lsb); + return ret; +} + +static unsigned int fp5510_move_time(struct fp5510_device *dev_vcm, + unsigned int move_pos) +{ + unsigned int move_time_ms = 200; + unsigned int step_period_lsc = 0; + unsigned int step_period_dlc = 0; + unsigned int step_period = 0; + int i = 0; + int table_cnt = 0; + unsigned int step_case; + unsigned int codes_per_step = 1; + struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd); + + if ((dev_vcm->esc_enable == ENABLE) || + (dev_vcm->tsc_enable == ENABLE)) { + step_case = dev_vcm->mclk & 0x3; + table_cnt = sizeof(fp5510_dlc_time_table) / + sizeof(struct TimeTabel_s); + for (i = 0; i < table_cnt; i++) { + if (fp5510_dlc_time_table[i].t_src == dev_vcm->t_src) + break; + } + } else { + step_case = dev_vcm->step_mode & 0x3; + table_cnt = sizeof(fp5510_lsc_time_table) / + sizeof(struct TimeTabel_s); + for (i = 0; i < table_cnt; i++) { + if (fp5510_lsc_time_table[i].t_src == dev_vcm->t_src) + break; + } + } + + if (i >= table_cnt) + i = 0; + + switch (step_case) { + case 0: + step_period_lsc = fp5510_lsc_time_table[i].step00; + step_period_dlc = fp5510_dlc_time_table[i].step00; + break; + case 1: + step_period_lsc = fp5510_lsc_time_table[i].step01; + step_period_dlc = fp5510_dlc_time_table[i].step01; + break; + case 2: + step_period_lsc = fp5510_lsc_time_table[i].step10; + step_period_dlc = fp5510_dlc_time_table[i].step10; + break; + case 3: + step_period_lsc = fp5510_lsc_time_table[i].step11; + step_period_dlc = fp5510_dlc_time_table[i].step11; + break; + default: + dev_err(&client->dev, + "%s: step_case is error %d\n", + __func__, step_case); + break; + } + codes_per_step = (dev_vcm->step_mode & 0x0c) >> 2; + if (codes_per_step > 1) + codes_per_step = 1 << (codes_per_step - 1); + + if ((dev_vcm->esc_enable == ENABLE) || (dev_vcm->tsc_enable == ENABLE)) + step_period = step_period_dlc; + else + step_period = step_period_lsc; + + if (dev_vcm->tsc_enable == ENABLE) { + move_time_ms = step_period * move_pos / 1000; + } else if (dev_vcm->esc_enable == ENABLE) { + move_time_ms = step_period * 2 * move_pos / 1000; + } else { + if (!codes_per_step) + move_time_ms = step_period * move_pos / 1000; + else + move_time_ms = step_period * move_pos / + codes_per_step / 1000; + } + + return move_time_ms; +} + +static int fp5510_get_pos(struct fp5510_device *dev_vcm, + unsigned int *cur_pos) +{ + struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd); + int ret; + unsigned char lsb = 0; + unsigned char msb = 0; + unsigned int abs_step; + + ret = fp5510_read_msg(client, &msb, &lsb); + if (IS_ERR_VALUE(ret)) + goto err; + + abs_step = (((unsigned int)(msb & 0x3FU)) << 4U) | + (((unsigned int)lsb) >> 4U); + if (abs_step <= dev_vcm->start_current) + abs_step = VCMDRV_MAX_LOG; + else if ((abs_step > dev_vcm->start_current) && + (abs_step <= dev_vcm->rated_current)) + abs_step = (dev_vcm->rated_current - abs_step) / dev_vcm->step; + else + abs_step = 0; + + *cur_pos = abs_step; + dev_dbg(&client->dev, "%s: get position %d\n", __func__, *cur_pos); + return 0; + +err: + dev_err(&client->dev, + "%s: failed with error %d\n", __func__, ret); + return ret; +} + +static int fp5510_set_pos(struct fp5510_device *dev_vcm, + unsigned int dest_pos) +{ + int ret; + unsigned char lsb = 0; + unsigned char msb = 0; + unsigned int position; + struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd); + + if (dest_pos >= VCMDRV_MAX_LOG) + position = dev_vcm->start_current; + else + position = dev_vcm->start_current + + (dev_vcm->step * (VCMDRV_MAX_LOG - dest_pos)); + + if (position > FP5510_MAX_REG) + position = FP5510_MAX_REG; + + dev_vcm->current_lens_pos = position; + dev_vcm->current_related_pos = dest_pos; + msb = (0x00U | ((dev_vcm->current_lens_pos & 0x3F0U) >> 4U)); + lsb = (((dev_vcm->current_lens_pos & 0x0FU) << 4U) | + dev_vcm->step_mode); + ret = fp5510_write_msg(client, msb, lsb); + if (IS_ERR_VALUE(ret)) + goto err; + + return ret; +err: + dev_err(&client->dev, + "%s: failed with error %d\n", __func__, ret); + return ret; +} + +static int fp5510_get_ctrl(struct v4l2_ctrl *ctrl) +{ + struct fp5510_device *dev_vcm = to_fp5510_vcm(ctrl); + + if (ctrl->id == V4L2_CID_FOCUS_ABSOLUTE) + return fp5510_get_pos(dev_vcm, &ctrl->val); + + return -EINVAL; +} + +static int fp5510_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct fp5510_device *dev_vcm = to_fp5510_vcm(ctrl); + struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd); + unsigned int dest_pos = ctrl->val; + int move_pos; + long mv_us; + int ret = 0; + + if (ctrl->id == V4L2_CID_FOCUS_ABSOLUTE) { + if (dest_pos > VCMDRV_MAX_LOG) { + dev_info(&client->dev, + "%s dest_pos is error. %d > %d\n", + __func__, dest_pos, VCMDRV_MAX_LOG); + return -EINVAL; + } else { + /* calculate move time */ + move_pos = dev_vcm->current_related_pos - dest_pos; + if (move_pos < 0) + move_pos = -move_pos; + + ret = fp5510_set_pos(dev_vcm, dest_pos); + + dev_vcm->move_ms = + ((dev_vcm->vcm_movefull_t * + (uint32_t)move_pos) / + VCMDRV_MAX_LOG); + + dev_vcm->start_move_tv = ns_to_timeval(ktime_get_ns()); + mv_us = dev_vcm->start_move_tv.tv_usec + + dev_vcm->move_ms * 1000; + if (mv_us >= 1000000) { + dev_vcm->end_move_tv.tv_sec = + dev_vcm->start_move_tv.tv_sec + 1; + dev_vcm->end_move_tv.tv_usec = mv_us - 1000000; + } else { + dev_vcm->end_move_tv.tv_sec = + dev_vcm->start_move_tv.tv_sec; + dev_vcm->end_move_tv.tv_usec = mv_us; + } + } + } + + return ret; +} + +static const struct v4l2_ctrl_ops fp5510_vcm_ctrl_ops = { + .g_volatile_ctrl = fp5510_get_ctrl, + .s_ctrl = fp5510_set_ctrl, +}; + +static int fp5510_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + int rval; + + rval = pm_runtime_get_sync(sd->dev); + if (rval < 0) { + pm_runtime_put_noidle(sd->dev); + return rval; + } + + return 0; +} + +static int fp5510_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + pm_runtime_put(sd->dev); + + return 0; +} + +static const struct v4l2_subdev_internal_ops fp5510_int_ops = { + .open = fp5510_open, + .close = fp5510_close, +}; + +static long fp5510_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) +{ + int ret = 0; + struct rk_cam_vcm_tim *vcm_tim; + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct fp5510_device *fp5510_dev = sd_to_fp5510_vcm(sd); + + if (cmd == RK_VIDIOC_VCM_TIMEINFO) { + vcm_tim = (struct rk_cam_vcm_tim *)arg; + + vcm_tim->vcm_start_t.tv_sec = fp5510_dev->start_move_tv.tv_sec; + vcm_tim->vcm_start_t.tv_usec = + fp5510_dev->start_move_tv.tv_usec; + vcm_tim->vcm_end_t.tv_sec = fp5510_dev->end_move_tv.tv_sec; + vcm_tim->vcm_end_t.tv_usec = fp5510_dev->end_move_tv.tv_usec; + + dev_dbg(&client->dev, "fp5510_get_move_res 0x%lx, 0x%lx, 0x%lx, 0x%lx\n", + vcm_tim->vcm_start_t.tv_sec, + vcm_tim->vcm_start_t.tv_usec, + vcm_tim->vcm_end_t.tv_sec, + vcm_tim->vcm_end_t.tv_usec); + } else { + dev_err(&client->dev, + "cmd 0x%x not supported\n", cmd); + return -EINVAL; + } + + return ret; +} + +#ifdef CONFIG_COMPAT +static long fp5510_compat_ioctl32(struct v4l2_subdev *sd, + unsigned int cmd, unsigned long arg) +{ + struct rk_cam_vcm_tim vcm_tim; + struct rk_cam_compat_vcm_tim compat_vcm_tim; + struct rk_cam_compat_vcm_tim __user *p32 = compat_ptr(arg); + struct i2c_client *client = v4l2_get_subdevdata(sd); + long ret; + + if (cmd == RK_VIDIOC_COMPAT_VCM_TIMEINFO) { + ret = fp5510_ioctl(sd, RK_VIDIOC_VCM_TIMEINFO, &vcm_tim); + compat_vcm_tim.vcm_start_t.tv_sec = vcm_tim.vcm_start_t.tv_sec; + compat_vcm_tim.vcm_start_t.tv_usec = + vcm_tim.vcm_start_t.tv_usec; + compat_vcm_tim.vcm_end_t.tv_sec = vcm_tim.vcm_end_t.tv_sec; + compat_vcm_tim.vcm_end_t.tv_usec = vcm_tim.vcm_end_t.tv_usec; + + put_user(compat_vcm_tim.vcm_start_t.tv_sec, + &p32->vcm_start_t.tv_sec); + put_user(compat_vcm_tim.vcm_start_t.tv_usec, + &p32->vcm_start_t.tv_usec); + put_user(compat_vcm_tim.vcm_end_t.tv_sec, + &p32->vcm_end_t.tv_sec); + put_user(compat_vcm_tim.vcm_end_t.tv_usec, + &p32->vcm_end_t.tv_usec); + } else { + dev_err(&client->dev, + "cmd 0x%x not supported\n", cmd); + return -EINVAL; + } + + return ret; +} +#endif + +static const struct v4l2_subdev_core_ops fp5510_core_ops = { + .ioctl = fp5510_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl32 = fp5510_compat_ioctl32 +#endif +}; + +static const struct v4l2_subdev_ops fp5510_ops = { + .core = &fp5510_core_ops, +}; + +static void fp5510_subdev_cleanup(struct fp5510_device *fp5510_dev) +{ + v4l2_device_unregister_subdev(&fp5510_dev->sd); + v4l2_device_unregister(&fp5510_dev->vdev); + v4l2_ctrl_handler_free(&fp5510_dev->ctrls_vcm); + media_entity_cleanup(&fp5510_dev->sd.entity); +} + +static int fp5510_init_controls(struct fp5510_device *dev_vcm) +{ + struct v4l2_ctrl_handler *hdl = &dev_vcm->ctrls_vcm; + const struct v4l2_ctrl_ops *ops = &fp5510_vcm_ctrl_ops; + + v4l2_ctrl_handler_init(hdl, 1); + + v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FOCUS_ABSOLUTE, + 0, VCMDRV_MAX_LOG, 1, VCMDRV_MAX_LOG); + + if (hdl->error) + dev_err(dev_vcm->sd.dev, "%s fail error: 0x%x\n", + __func__, hdl->error); + dev_vcm->sd.ctrl_handler = hdl; + return hdl->error; +} + +static int fp5510_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device_node *np = of_node_get(client->dev.of_node); + struct fp5510_device *fp5510_dev; + struct device *dev = &client->dev; + int ret; + int current_distance; + unsigned int start_current; + unsigned int rated_current; + unsigned int step_mode; + struct v4l2_subdev *sd; + char facing[2]; + unsigned char data = 0x0; + + dev_info(&client->dev, "probing...\n"); + if (of_property_read_u32( + np, + OF_CAMERA_VCMDRV_START_CURRENT, + (unsigned int *)&start_current)) { + start_current = FP5510_DEFAULT_START_CURRENT; + dev_info(&client->dev, + "could not get module %s from dts!\n", + OF_CAMERA_VCMDRV_START_CURRENT); + } + if (of_property_read_u32( + np, + OF_CAMERA_VCMDRV_RATED_CURRENT, + (unsigned int *)&rated_current)) { + rated_current = FP5510_DEFAULT_RATED_CURRENT; + dev_info(&client->dev, + "could not get module %s from dts!\n", + OF_CAMERA_VCMDRV_RATED_CURRENT); + } + if (of_property_read_u32( + np, + OF_CAMERA_VCMDRV_STEP_MODE, + (unsigned int *)&step_mode)) { + step_mode = FP5510_DEFAULT_STEP_MODE; + dev_info(&client->dev, + "could not get module %s from dts!\n", + OF_CAMERA_VCMDRV_STEP_MODE); + } + + fp5510_dev = devm_kzalloc(&client->dev, sizeof(*fp5510_dev), + GFP_KERNEL); + if (!fp5510_dev) + return -ENOMEM; + + ret = of_property_read_u32(np, RKMODULE_CAMERA_MODULE_INDEX, + &fp5510_dev->module_index); + ret |= of_property_read_string(np, RKMODULE_CAMERA_MODULE_FACING, + &fp5510_dev->module_facing); + if (ret) { + dev_err(&client->dev, + "could not get module information!\n"); + return -EINVAL; + } + + v4l2_i2c_subdev_init(&fp5510_dev->sd, client, &fp5510_ops); + + fp5510_dev->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_HIGH); + if (IS_ERR(fp5510_dev->pwdn_gpio)) + dev_warn(dev, "Failed to get pwdn-gpios\n"); + + fp5510_dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + fp5510_dev->sd.internal_ops = &fp5510_int_ops; + + ret = fp5510_init_controls(fp5510_dev); + if (ret) + goto err_cleanup; + + __fp5510_power_on(fp5510_dev); + + ret = media_entity_init(&fp5510_dev->sd.entity, 0, NULL, 0); + if (ret < 0) + goto err_cleanup; + + sd = &fp5510_dev->sd; + sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_LENS; + + memset(facing, 0, sizeof(facing)); + if (strcmp(fp5510_dev->module_facing, "back") == 0) + facing[0] = 'b'; + else + facing[0] = 'f'; + + snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", + fp5510_dev->module_index, facing, + FP5510_NAME, dev_name(sd->dev)); + ret = v4l2_async_register_subdev(sd); + if (ret) + dev_err(&client->dev, "v4l2 async register subdev failed\n"); + + current_distance = rated_current - start_current; + current_distance = current_distance * FP5510_MAX_REG / + FP5510_MAX_CURRENT; + fp5510_dev->step = (current_distance + (VCMDRV_MAX_LOG - 1)) / + VCMDRV_MAX_LOG; + fp5510_dev->start_current = start_current * FP5510_MAX_REG / + FP5510_MAX_CURRENT; + fp5510_dev->rated_current = fp5510_dev->start_current + + VCMDRV_MAX_LOG * + fp5510_dev->step; + fp5510_dev->step_mode = step_mode; + fp5510_dev->move_ms = 0; + fp5510_dev->current_related_pos = VCMDRV_MAX_LOG; + fp5510_dev->start_move_tv = ns_to_timeval(ktime_get_ns()); + fp5510_dev->end_move_tv = ns_to_timeval(ktime_get_ns()); + /* + * Note: + * 1. At ESC mode, ESC code=1 and TSC must be equal 0. + * 2. If ESC code=1 and TSC code=1, it get the TSC mode. + */ + fp5510_dev->esc_enable = DISABLE; + fp5510_dev->tsc_enable = DISABLE; + fp5510_dev->mclk = 0; + fp5510_dev->t_src = 0x0; + + ret = fp5510_write_msg(client, 0xEC, 0xA3); + if (IS_ERR_VALUE(ret)) + dev_err(&client->dev, + "%s: failed with error %d\n", __func__, ret); + + data = (fp5510_dev->mclk & 0x3) | 0x04 | + (((fp5510_dev->tsc_enable << 0x3) | + (fp5510_dev->esc_enable << 0x4)) & 0x18); + ret = fp5510_write_msg(client, 0xA1, data); + if (IS_ERR_VALUE(ret)) + dev_err(&client->dev, + "%s: failed with error %d\n", __func__, ret); + + data = (fp5510_dev->t_src << 0x3) & 0xf8; + ret = fp5510_write_msg(client, 0xF2, data); + if (IS_ERR_VALUE(ret)) + dev_err(&client->dev, + "%s: failed with error %d\n", __func__, ret); + + ret = fp5510_write_msg(client, 0xDC, 0x51); + if (IS_ERR_VALUE(ret)) + dev_err(&client->dev, + "%s: failed with error %d\n", __func__, ret); + + fp5510_dev->vcm_movefull_t = + fp5510_move_time(fp5510_dev, FP5510_MAX_REG); + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + pm_runtime_idle(&client->dev); + + dev_info(&client->dev, "probing successful\n"); + + return 0; + +err_cleanup: + fp5510_subdev_cleanup(fp5510_dev); + dev_err(&client->dev, "Probe failed: %d\n", ret); + return ret; +} + +static int fp5510_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct fp5510_device *fp5510_dev = sd_to_fp5510_vcm(sd); + + pm_runtime_disable(&client->dev); + fp5510_subdev_cleanup(fp5510_dev); + if (!pm_runtime_status_suspended(&client->dev)) + __fp5510_power_off(fp5510_dev); + pm_runtime_set_suspended(&client->dev); + + return 0; +} + +static int fp5510_vcm_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct fp5510_device *fp5510_dev = sd_to_fp5510_vcm(sd); + + __fp5510_power_on(fp5510_dev); + + return 0; +} + +static int fp5510_vcm_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct fp5510_device *fp5510_dev = sd_to_fp5510_vcm(sd); + + __fp5510_power_off(fp5510_dev); + + return 0; +} + +static const struct i2c_device_id fp5510_id_table[] = { + { FP5510_NAME, 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, fp5510_id_table); + +static const struct of_device_id fp5510_of_table[] = { + { .compatible = "fitipower,fp5510" }, + { } +}; +MODULE_DEVICE_TABLE(of, fp5510_of_table); + +static const struct dev_pm_ops fp5510_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(fp5510_vcm_suspend, fp5510_vcm_resume) + SET_RUNTIME_PM_OPS(fp5510_vcm_suspend, fp5510_vcm_resume, NULL) +}; + +static struct i2c_driver fp5510_i2c_driver = { + .driver = { + .name = FP5510_NAME, + .pm = &fp5510_pm_ops, + .of_match_table = fp5510_of_table, + }, + .probe = &fp5510_probe, + .remove = &fp5510_remove, + .id_table = fp5510_id_table, +}; + +module_i2c_driver(fp5510_i2c_driver); + +MODULE_DESCRIPTION("FP5510 VCM driver"); +MODULE_LICENSE("GPL v2");