antifallobst
/
lineage_kernel_xcoverpro
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
lineage_kernel_xcoverpro/drivers/leds/leds-sm5713-fled.c

1075 lines
32 KiB
C
Executable File
Raw Permalink Blame History

/*
* leds-sm5713-fled.c - SM5713 Flash-LEDs device driver
*
* Copyright (C) 2017 Samsung Electronics Co.Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/mfd/sm5713.h>
#include <linux/mfd/sm5713-private.h>
#include <linux/kthread.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
static struct sm5713_fled_data *g_sm5713_fled;
extern struct class *camera_class; /*sys/class/camera*/
/* for MUIC HV-VBUS control */
extern int muic_request_disable_afc_state(void);
extern void sm5713_request_default_power_src(void);
extern int muic_check_fled_state(bool enable, u8 mode); /* mode:1 = FLED_MODE_TORCH, mode:2 = FLED_MODE_FLASH */
extern int sm5713_usbpd_check_fled_state(bool enable, u8 mode);
static void fled_set_mode(struct sm5713_fled_data *fled, u8 fled_index, u8 mode)
{
switch (fled_index) {
case SM5713_FLED_INDEX_1:
case SM5713_FLED_INDEX_2:
sm5713_update_reg(fled->i2c, SM5713_CHG_REG_FLED1CNTL1 + (fled_index * 2), (mode << 0), (0x3 << 0));
break;
case SM5713_FLED_INDEX_3:
sm5713_update_reg(fled->i2c, SM5713_CHG_REG_FLED3CNTL, (mode << 4), (0x1 << 4));
break;
}
}
static void fled_set_fled_current(struct sm5713_fled_data *fled, u8 fled_index, u8 offset)
{
switch (fled_index) {
case SM5713_FLED_INDEX_1:
case SM5713_FLED_INDEX_2:
sm5713_update_reg(fled->i2c, SM5713_CHG_REG_FLED1CNTL2 + (fled_index * 2), (offset << 0), (0xf << 0));
break;
case SM5713_FLED_INDEX_3:
dev_err(fled->dev, "%s: can't used fled2\n", __func__);
break;
}
}
static void fled_set_mled_current(struct sm5713_fled_data *fled, u8 fled_index, u8 offset)
{
switch (fled_index) {
case SM5713_FLED_INDEX_1:
case SM5713_FLED_INDEX_2:
sm5713_update_reg(fled->i2c, SM5713_CHG_REG_FLED1CNTL2 + (fled_index * 2), (offset << 4), (0x7 << 4));
break;
case SM5713_FLED_INDEX_3:
sm5713_update_reg(fled->i2c, SM5713_CHG_REG_FLED3CNTL, (offset << 0), (0xf << 0));
break;
}
}
static int sm5713_fled_check_vbus(struct sm5713_fled_data *fled)
{
fled->vbus_voltage = sm5713_charger_oper_get_vbus_voltage();
if (fled->vbus_voltage > 5500) {
muic_request_disable_afc_state();
sm5713_request_default_power_src();
}
return 0;
}
static int sm5713_fled_control(u8 fled_index, u8 fled_mode)
{
struct sm5713_fled_data *fled = g_sm5713_fled;
int ret = 0;
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: not probe fled yet\n", __func__);
return -ENXIO;
}
if (fled_mode == FLED_MODE_FLASH) {
ret = gpio_request(fled->pdata->led[fled_index].fen_pin, "sm5713_fled");
if (ret < 0) {
dev_err(fled->dev, "%s: failed request fen-gpio(%d)", __func__, ret);
fled_set_mode(fled, fled_index, fled_mode);
fled->pdata->led[fled_index].used_gpio_ctrl = false;
} else {
gpio_direction_output(fled->pdata->led[fled_index].fen_pin, 0);
msleep(10); //it need to delay change to boosting mode in sm5713(about 7ms)
fled_set_mode(fled, fled_index, FLED_MODE_EXTERNAL);
gpio_set_value(fled->pdata->led[fled_index].fen_pin, 1);
gpio_set_value(fled->pdata->led[fled_index].men_pin, 0);
fled->pdata->led[fled_index].used_gpio_ctrl = true;
}
pr_info("sm5713-fled: %s: Flash mode & used gpio = %d.\n", __func__, fled->pdata->led[fled_index].used_gpio_ctrl);
} else if (fled_mode == FLED_MODE_TORCH) {
ret = gpio_request(fled->pdata->led[fled_index].men_pin, "sm5713_fled");
if (ret < 0) {
dev_err(fled->dev, "%s: failed request men-gpio(%d)", __func__, ret);
fled_set_mode(fled, fled_index, fled_mode);
fled->pdata->led[fled_index].used_gpio_ctrl = false;
} else {
gpio_direction_output(fled->pdata->led[fled_index].men_pin, 0);
fled_set_mode(fled, fled_index, FLED_MODE_EXTERNAL);
gpio_set_value(fled->pdata->led[fled_index].men_pin, 1);
gpio_set_value(fled->pdata->led[fled_index].fen_pin, 0);
fled->pdata->led[fled_index].used_gpio_ctrl = true;
}
pr_info("sm5713-fled: %s: Torch mode & used gpio = %d.\n", __func__, fled->pdata->led[fled_index].used_gpio_ctrl);
} else if (fled_mode == FLED_MODE_OFF) {
pr_info("sm5713-fled: %s: off mode & used gpio = %d.\n", __func__, fled->pdata->led[fled_index].used_gpio_ctrl);
fled_set_mode(fled, fled_index, fled_mode);
if (fled->pdata->led[fled_index].used_gpio_ctrl == true) {
gpio_set_value(fled->pdata->led[fled_index].fen_pin, 0);
gpio_set_value(fled->pdata->led[fled_index].men_pin, 0);
gpio_free(fled->pdata->led[fled_index].men_pin);
gpio_free(fled->pdata->led[fled_index].fen_pin);
fled->pdata->led[fled_index].used_gpio_ctrl = false;
}
if (fled->pdata->led[fled_index].en_mled == true) {
fled->torch_on_cnt--;
if (fled->torch_on_cnt == 0) {
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_TORCH, 0);
if (fled->flash_prepare_cnt == 0) {
muic_check_fled_state(0, FLED_MODE_TORCH);
sm5713_usbpd_check_fled_state(0, FLED_MODE_TORCH);
}
}
fled->pdata->led[fled_index].en_mled = false;
}
if (fled->pdata->led[fled_index].en_fled == true) {
fled->flash_on_cnt--;
if (fled->flash_on_cnt == 0) {
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_FLASH, 0);
}
fled->pdata->led[fled_index].en_fled = false;
}
} else {
pr_err("sm5713-fled: %s: fen_pin : %d, men_pin : %d, FLED_MODE = %d\n", __func__, fled->pdata->led[fled_index].fen_pin, fled->pdata->led[fled_index].men_pin, fled_mode);
return -EINVAL;
}
return 0;
}
static int sm5713_fled_torch_on(u8 fled_index, u8 brightness)
{
struct sm5713_fled_data *fled = g_sm5713_fled;
pr_info("sm5713-fled: %s: start.\n", __func__);
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: not probe fled yet\n", __func__);
return -ENXIO;
}
mutex_lock(&fled->fled_mutex);
if (brightness) {
fled_set_mled_current(fled, fled_index, brightness);
} else {
fled_set_mled_current(fled, fled_index, fled->pdata->led[fled_index].torch_brightness);
}
if (fled->pdata->led[fled_index].en_mled == false) {
if (fled->torch_on_cnt == 0) {
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_TORCH, 1);
}
fled->pdata->led[fled_index].en_mled = true;
fled->torch_on_cnt++;
}
sm5713_fled_control(fled_index, FLED_MODE_TORCH);
mutex_unlock(&fled->fled_mutex);
pr_info("sm5713-fled: %s: done.\n", __func__);
return 0;
}
static int sm5713_fled_flash_on(u8 fled_index, u8 brightness)
{
struct sm5713_fled_data *fled = g_sm5713_fled;
pr_info("sm5713-fled: %s: start.\n", __func__);
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: not probe fled yet\n", __func__);
return -ENXIO;
}
mutex_lock(&fled->fled_mutex);
if (brightness) {
fled_set_fled_current(fled, fled_index, brightness);
} else {
fled_set_fled_current(fled, fled_index, fled->pdata->led[fled_index].flash_brightness);
}
if (fled->pdata->led[fled_index].en_fled == false) {
if (fled->flash_on_cnt == 0) {
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_FLASH, 1);
}
fled->pdata->led[fled_index].en_fled = true;
fled->flash_on_cnt++;
}
sm5713_fled_control(fled_index, FLED_MODE_FLASH);
mutex_unlock(&fled->fled_mutex);
pr_info("sm5713-fled: %s: done.\n", __func__);
return 0;
}
static int sm5713_fled_prepare_flash(u8 fled_index)
{
struct sm5713_fled_data *fled = g_sm5713_fled;
pr_info("sm5713-fled: %s: start.\n", __func__);
if (fled == NULL) {
pr_err("sm5713-fled: %s: not probe fled yet\n", __func__);
return -ENXIO;
}
if (fled_index > SM5713_FLED_INDEX_2 || fled->pdata->led[fled_index].flash_brightness == 0) {
pr_err("sm5713-fled: %s: don't support flash mode (fled_index=%d)\n", __func__, fled_index);
return -EPERM;
}
if (fled->pdata->led[fled_index].pre_fled == true) {
pr_info("sm5713-fled: %s: already prepared\n", __func__);
return 0;
}
mutex_lock(&fled->fled_mutex);
if (fled->flash_prepare_cnt == 0) {
sm5713_fled_check_vbus(fled);
muic_check_fled_state(1, FLED_MODE_FLASH);
sm5713_usbpd_check_fled_state(1, FLED_MODE_FLASH);
}
fled_set_fled_current(fled, fled_index, fled->pdata->led[fled_index].flash_brightness);
fled_set_mled_current(fled, fled_index, fled->pdata->led[fled_index].torch_brightness);
fled->flash_prepare_cnt++;
fled->pdata->led[fled_index].pre_fled = true;
mutex_unlock(&fled->fled_mutex);
pr_info("sm5713-fled: %s: done.\n", __func__);
return 0;
}
static int sm5713_fled_close_flash(u8 fled_index)
{
struct sm5713_fled_data *fled = g_sm5713_fled;
pr_info("sm5713-fled: %s: start.\n", __func__);
if (fled == NULL) {
pr_err("sm5713-fled: %s: not probe fled yet\n", __func__);
return -ENXIO;
}
if (fled_index > SM5713_FLED_INDEX_2 || fled->pdata->led[fled_index].flash_brightness == 0) {
pr_err("sm5713-fled: %s: don't support flash mode (fled_index=%d)\n", __func__, fled_index);
return -EPERM;
}
if (fled->pdata->led[fled_index].pre_fled == false) {
pr_info("sm5713-fled: %s: already closed\n", __func__);
return 0;
}
mutex_lock(&fled->fled_mutex);
fled_set_mode(fled, fled_index, FLED_MODE_OFF);
fled->flash_prepare_cnt--;
if (fled->flash_prepare_cnt == 0) {
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_TORCH, 0);
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_FLASH, 0);
muic_check_fled_state(0, FLED_MODE_FLASH);
sm5713_usbpd_check_fled_state(0, FLED_MODE_FLASH);
}
fled->pdata->led[fled_index].pre_fled = false;
mutex_unlock(&fled->fled_mutex);
pr_info("sm5713-fled: %s: done.\n", __func__);
return 0;
}
/**
* For export Camera flash control support
*
* Caution - MUST be called "sm5713_fled_prepare_flash" before
* using to FLED. also if finished using FLED, MUST be called
* "sm5713_fled_close_flash".
*/
int sm5713_fled_prepare_flash_thread_func(void* fled_index)
{
int ret = 0;
u8 fled_index_value = *(u8*)fled_index;
ret = sm5713_fled_prepare_flash(fled_index_value);
if(ret < 0){
pr_err("PREPARE_FLASH failed");
return ret;
}
kfree(fled_index);
return ret;
}
int sm5713_fled_run_prepare_flash_thread(u8 fled_index)
{
struct task_struct* prepare_flash_task;
u8* index_data = (u8*)kzalloc(sizeof(u8),GFP_KERNEL);
*index_data = fled_index;
prepare_flash_task = kthread_run(sm5713_fled_prepare_flash_thread_func, index_data, "prepare_flash");
return 0;
}
int32_t sm5713_fled_mode_ctrl(u8 fled_index, int state)
{
struct sm5713_fled_data *fled = g_sm5713_fled;
int ret = 0;
pr_info("sm5713-fled: %s: sm5713_fled_mode_ctrl start\n", __func__);
if (g_sm5713_fled == NULL)
{
pr_err("sm5713_fled: %s: g_sm5713_fled is not initialized.\n", __func__);
return -EFAULT;
}
switch (state) {
case SM5713_FLED_MODE_OFF:
/* FlashLight Mode OFF */
ret = sm5713_fled_control(fled_index, FLED_MODE_OFF);
if (ret < 0)
pr_err("sm5713-fled: %s: SM5713_FLED_MODE_OFF(%d) failed\n", __func__, state);
else
pr_info("sm5713-fled: %s: SM5713_FLED_MODE_OFF(%d) done\n", __func__, state);
break;
case SM5713_FLED_MODE_MAIN_FLASH:
/* FlashLight Mode Flash */
ret = sm5713_fled_flash_on(fled_index, fled->pdata->led[fled_index].flash_brightness);
if (ret < 0)
pr_err("sm5713-fled: %s: SM5713_FLED_MODE_MAIN_FLASH(%d) failed\n", __func__, state);
else
pr_info("sm5713-fled: %s: SM5713_FLED_MODE_MAIN_FLASH(%d) done\n", __func__, state);
break;
case SM5713_FLED_MODE_TORCH_FLASH: /* TORCH FLASH */
/* FlashLight Mode TORCH */
ret = sm5713_fled_torch_on(fled_index, fled->pdata->led[fled_index].torch_brightness);
if (ret < 0)
pr_err("sm5713-fled: %s: SM5713_FLED_MODE_TORCH_FLASH(%d) failed\n", __func__, state);
else
pr_info("sm5713-fled: %s: SM5713_FLED_MODE_TORCH_FLASH(%d) done\n", __func__, state);
break;
case SM5713_FLED_MODE_PRE_FLASH: /* TORCH FLASH */
/* FlashLight Mode TORCH */
ret = sm5713_fled_torch_on(fled_index, fled->pdata->led[fled_index].preflash_brightness);
if (ret < 0)
pr_err("sm5713-fled: %s: SM5713_FLED_MODE_PRE_FLASH(%d) failed\n", __func__, state);
else
pr_info("sm5713-fled: %s: SM5713_FLED_MODE_PRE_FLASH(%d) done\n", __func__, state);
break;
case SM5713_FLED_MODE_PREPARE_FLASH:
/* 9V -> 5V VBUS change */
ret = sm5713_fled_run_prepare_flash_thread(fled_index);
if (ret < 0)
pr_err("sm5713-fled: %s: SM5713_FLED_MODE_PREPARE_FLASH(%d) thread failed to start\n", __func__, state);
else
pr_info("sm5713-fled: %s: SM5713_FLED_MODE_PREPARE_FLASH(%d) thread started \n", __func__, state);
break;
case SM5713_FLED_MODE_CLOSE_FLASH:
/* 5V -> 9V VBUS change */
ret = sm5713_fled_close_flash(fled_index);
if (ret < 0)
pr_err("sm5713-fled: %s: SM5713_FLED_MODE_CLOSE_FLASH(%d) failed\n", __func__, state);
else
pr_info("sm5713-fled: %s: SM5713_FLED_MODE_CLOSE_FLASH(%d) done\n", __func__, state);
break;
default:
/* FlashLight Mode OFF */
ret = sm5713_fled_control(fled_index, FLED_MODE_OFF);
if (ret < 0)
pr_err("sm5713-fled: %s: FLED_MODE_OFF(%d) failed\n", __func__, state);
else
pr_info("sm5713-fled: %s: FLED_MODE_OFF(%d) done\n", __func__, state);
break;
}
return ret;
}
EXPORT_SYMBOL_GPL(sm5713_fled_mode_ctrl);
/**
* For camera_class device file control (Torch-LED)
*/
int get_brightness_index(int store_value)
{
if (store_value <= 1001) {
return 0;
} else if (store_value <= 1002) {
return 1;
} else if (store_value <= 1004) {
return 2;
} else if (store_value <= 1006) {
return 3;
} else if (store_value <= 1009) {
return 4;
} else {
return 0;
}
}
#if defined (CONFIG_LEDS_SM5713_DUAL_LED)
static int get_fled_index(sm5713_fled_platform_data *pdata, struct device_attribute *attr, int store_value, int *fled_index_array)
{
int fled_index_num = 0;
int i = 0;
if (strcmp(attr->attr.name, "rear_flash") == 0 || strcmp(attr->attr.name, "rear_torch_flash") == 0) {
if (store_value <= 1001) {
fled_index_num = pdata->torch_index_cnt[0];
for (i = 0; i < fled_index_num; i++) {
fled_index_array[i] = pdata->torch_index[0][i];
}
} else if (store_value <= 1002) {
fled_index_num = pdata->torch_index_cnt[1];
for (i = 0; i < fled_index_num; i++) {
fled_index_array[i] = pdata->torch_index[1][i];
}
} else if (store_value <= 1004) {
fled_index_num = pdata->torch_index_cnt[2];
for (i = 0; i < fled_index_num; i++) {
fled_index_array[i] = pdata->torch_index[2][i];
}
} else if (store_value <= 1006) {
fled_index_num = pdata->torch_index_cnt[3];
for (i = 0; i < fled_index_num; i++) {
fled_index_array[i] = pdata->torch_index[3][i];
}
} else if (store_value <= 1009) {
fled_index_num = pdata->torch_index_cnt[4];
for (i = 0; i < fled_index_num; i++) {
fled_index_array[i] = pdata->torch_index[4][i];
}
} else {
fled_index_num = 1;
fled_index_array[0] = SM5713_FLED_INDEX_1;
}
} else {
pr_err("sm5713-fled: flash index not matched (attr=%s) \n", attr->attr.name);
}
pr_err("[leds-sm5713-fled] store_value [%d] selected fled_index is [%d]",store_value, fled_index_num);
return fled_index_num;
}
static ssize_t sm5713_rear_flash_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int fled_index = SM5713_FLED_INDEX_3;
int fled_index_cnt;
int fled_index_array[SM5713_FLED_MAX_NUM];
u32 store_value;
int led_iterator;
int ret;
struct sm5713_fled_data *fled = g_sm5713_fled;
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: g_sm5713_fled NULL \n", __func__);
return -ENODEV;
}
if (IS_ERR_VALUE((unsigned long)fled_index) || (buf == NULL) || kstrtouint(buf, 10, &store_value)) {
return -ENXIO;
}
fled_index_cnt = get_fled_index(fled->pdata, attr, store_value, fled_index_array);
dev_info(fled->dev, "%s: value=%d\n", __func__, store_value);
mutex_lock(&fled->fled_mutex);
for (led_iterator = 0; led_iterator < fled_index_cnt; led_iterator++) {
fled_index = fled_index_array[led_iterator];
fled->pdata->led[fled_index].sysfs_input_data = store_value;
if (store_value == 0) {
if (fled->pdata->led[fled_index].en_mled == false
&& fled->pdata->led[fled_index].en_fled == false) {
goto out_skip;
}
sm5713_fled_control(fled_index, FLED_MODE_OFF);
} else {
if (store_value == 200) { /* 200 : Flash ON */
fled_set_fled_current(fled, fled_index, 0x0); /* Set fled = 600mA */
if (fled->pdata->led[fled_index].en_fled == false) {
if (fled->flash_on_cnt == 0) {
sm5713_charger_oper_push_event(
SM5713_CHARGER_OP_EVENT_FLASH, 1);
}
fled->pdata->led[fled_index].en_fled = true;
fled->flash_on_cnt++;
}
sm5713_fled_control(fled_index, FLED_MODE_FLASH);
} else { /* 1, 100, 1001~1010, : Torch ON */
/* Main Torch on */
if (store_value == 1) {
fled_set_mled_current(fled, fled_index, 0x1); /* Set mled = 75mA(0x1) */
/* Factory Torch on */
} else if (store_value == 100) {
fled_set_mled_current(fled, fled_index, 0x7); /* Set mled=225mA */
} else if (store_value >= 1001 && store_value <= 1010) {
/* Torch on (Normal) */
if (fled->pdata->led[fled_index].apply_torch_brightness_control) {
int brigthness_index;
brigthness_index = get_brightness_index(store_value);
fled_set_mled_current(fled, fled_index,
fled->pdata->led[fled_index].torch_brightness_levels[brigthness_index]);
} else {
if (store_value - 1001 > 7)
fled_set_mled_current(fled, fled_index, 0x07); /* Max 225mA(0x7) */
else
fled_set_mled_current(fled, fled_index,
(store_value - 1001)); /* 50mA(0x0) ~ 225mA(0x7) at 25mA step */
}
} else {
dev_err(fled->dev, "%s: failed store cmd\n", __func__);
ret = -EINVAL;
goto out_p;
}
dev_info(fled->dev, "%s: en_mled=%d, torch_on_cnt = %d \n",
__func__, fled->pdata->led[fled_index].en_mled,
fled->torch_on_cnt);
if (fled->pdata->led[fled_index].en_mled == true) {
goto out_skip;
}
if (fled->torch_on_cnt == 0) {
sm5713_fled_check_vbus(fled);
muic_check_fled_state(1, FLED_MODE_TORCH);
sm5713_usbpd_check_fled_state(1, FLED_MODE_TORCH);
sm5713_charger_oper_push_event(
SM5713_CHARGER_OP_EVENT_TORCH, 1);
}
sm5713_fled_control(fled_index, FLED_MODE_TORCH);
fled->pdata->led[fled_index].en_mled = true;
fled->torch_on_cnt++;
}
}
}
out_skip:
ret = count;
out_p:
mutex_unlock(&fled->fled_mutex);
return count;
}
static ssize_t sm5713_rear_flash_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sm5713_fled_data *fled = g_sm5713_fled;
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: g_sm5713_fled is NULL\n", __func__);
return -ENODEV;
}
return sprintf(buf, "LED1[%d], LED2[%d], LED3[%d]\n",
fled->pdata->led[SM5713_FLED_INDEX_1].sysfs_input_data,
fled->pdata->led[SM5713_FLED_INDEX_2].sysfs_input_data,
fled->pdata->led[SM5713_FLED_INDEX_3].sysfs_input_data);
}
static ssize_t sm5713_rear_flash2_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count) {
int fled_index = SM5713_FLED_INDEX_1;
u32 store_value;
int ret;
struct sm5713_fled_data *fled = g_sm5713_fled;
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: g_sm5713_fled NULL \n", __func__);
return -ENODEV;
}
if (IS_ERR_VALUE((unsigned long) fled_index) || (buf == NULL)
|| kstrtouint(buf, 10, &store_value)) {
return -ENXIO;
}
fled->pdata->led[fled_index].sysfs_input_data = store_value;
dev_info(fled->dev, "%s: value=%d\n", __func__, store_value);
mutex_lock(&fled->fled_mutex);
if (store_value == 0) { /* 0: Torch OFF */
if (fled->pdata->led[fled_index].en_mled == false
&& fled->pdata->led[fled_index].en_fled == false) {
goto out_skip;
}
sm5713_fled_control(fled_index, FLED_MODE_OFF);
} else if (store_value == 200) { /* 200 : Flash ON */
fled_set_fled_current(fled, fled_index, 0x0); /* Set fled = 600mA */
if (fled->pdata->led[fled_index].en_fled == false) {
if (fled->flash_on_cnt == 0) {
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_FLASH,
1);
}
fled->pdata->led[fled_index].en_fled = true;
fled->flash_on_cnt++;
}
sm5713_fled_control(fled_index, FLED_MODE_FLASH);
} else { /* 1, 100, 1001~1010, : Torch ON */
/* Main Torch on */
if (store_value == 1) {
fled_set_mled_current(fled, fled_index, 0x1); /* Set mled = 75mA(0x1) */
/* Factory Torch on */
} else if (store_value == 100) {
fled_set_mled_current(fled, fled_index, 0x7); /* Set mled=225mA */
} else if (store_value >= 1001 && store_value <= 1010) {
/* Torch on (Normal) */
if (fled->pdata->led[fled_index].apply_torch_brightness_control) {
int brigthness_index;
brigthness_index = get_brightness_index(store_value);
fled_set_mled_current(fled, fled_index,
fled->pdata->led[fled_index].torch_brightness_levels[brigthness_index]);
} else {
if (store_value - 1001 > 7)
fled_set_mled_current(fled, fled_index, 0x07); /* Max 225mA(0x7) */
else
fled_set_mled_current(fled, fled_index,
(store_value - 1001)); /* 50mA(0x0) ~ 225mA(0x7) at 25mA step */
}
} else {
dev_err(fled->dev, "%s: failed store cmd\n", __func__);
ret = -EINVAL;
goto out_p;
}
dev_info(fled->dev, "%s: en_mled=%d, torch_on_cnt = %d \n", __func__,
fled->pdata->led[fled_index].en_mled, fled->torch_on_cnt);
if (fled->pdata->led[fled_index].en_mled == true) {
goto out_skip;
}
if (fled->torch_on_cnt == 0) {
sm5713_fled_check_vbus(fled);
muic_check_fled_state(1, FLED_MODE_TORCH);
sm5713_usbpd_check_fled_state(1, FLED_MODE_TORCH);
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_TORCH, 1);
}
sm5713_fled_control(fled_index, FLED_MODE_TORCH);
fled->pdata->led[fled_index].en_mled = true;
fled->torch_on_cnt++;
}
out_skip:
ret = count;
out_p:
mutex_unlock(&fled->fled_mutex);
return count;
}
static ssize_t sm5713_rear_flash2_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int fled_index = SM5713_FLED_INDEX_1;
struct sm5713_fled_data *fled = g_sm5713_fled;
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: g_sm5713_fled is NULL\n", __func__);
return -ENODEV;
}
if (IS_ERR_VALUE((unsigned long) fled_index)) {
return -ENOENT;
}
return sprintf(buf, "%d\n", fled->pdata->led[fled_index].sysfs_input_data);
}
static DEVICE_ATTR(rear_flash2, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH, sm5713_rear_flash2_show, sm5713_rear_flash2_store);
#else /* #if defined (CONFIG_LEDS_SM5713_DUAL_LED) */
static int get_fled_index(struct device_attribute *attr)
{
int fled_index = -EINVAL;
if (strcmp(attr->attr.name, "rear_flash") == 0 || strcmp(attr->attr.name, "rear_torch_flash") == 0) {
fled_index = SM5713_FLED_INDEX_1;
} else {
pr_err("sm5713-fled: flash index not matched (attr=%s) \n", attr->attr.name);
}
return fled_index;
}
static ssize_t sm5713_rear_flash_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int fled_index = get_fled_index(attr);
u32 store_value;
int ret;
struct sm5713_fled_data *fled = g_sm5713_fled;
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: g_sm5713_fled NULL \n", __func__);
return -ENODEV;
}
if (IS_ERR_VALUE((unsigned long)fled_index) || (buf == NULL) || kstrtouint(buf, 10, &store_value)) {
return -ENXIO;
}
fled->pdata->led[fled_index].sysfs_input_data = store_value;
dev_info(fled->dev, "%s: value=%d\n", __func__, store_value);
mutex_lock(&fled->fled_mutex);
if (store_value == 0) { /* 0: Torch OFF */
if (fled->pdata->led[fled_index].en_mled == false && fled->pdata->led[fled_index].en_fled == false) {
goto out_skip;
}
sm5713_fled_control(fled_index, FLED_MODE_OFF);
} else if (store_value == 200) { /* 200 : Flash ON */
fled_set_fled_current(fled, fled_index, 0x0); /* Set fled = 600mA */
if (fled->pdata->led[fled_index].en_fled == false) {
if (fled->flash_on_cnt == 0) {
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_FLASH, 1);
}
fled->pdata->led[fled_index].en_fled = true;
fled->flash_on_cnt++;
}
sm5713_fled_control(fled_index, FLED_MODE_FLASH);
} else { /* 1, 100, 1001~1010, : Torch ON */
/* Main Torch on */
if (store_value == 1) {
fled_set_mled_current(fled, fled_index, 0x1); /* Set mled = 75mA(0x1) */
/* Factory Torch on */
} else if (store_value == 100) {
fled_set_mled_current(fled, fled_index, 0x7); /* Set mled=225mA */
} else if (store_value >= 1001 && store_value <= 1010) {
/* Torch on (Normal) */
if (fled->pdata->led[fled_index].apply_torch_brightness_control) {
int brigthness_index;
brigthness_index = get_brightness_index(store_value);
fled_set_mled_current(fled, fled_index, fled->pdata->led[fled_index].torch_brightness_levels[brigthness_index]);
} else {
if (store_value-1001 > 7)
fled_set_mled_current(fled, fled_index, 0x07); /* Max 225mA(0x7) */
else
fled_set_mled_current(fled, fled_index, (store_value-1001)); /* 50mA(0x0) ~ 225mA(0x7) at 25mA step */
}
} else {
dev_err(fled->dev, "%s: failed store cmd\n", __func__);
ret = -EINVAL;
goto out_p;
}
dev_info(fled->dev, "%s: en_mled=%d, torch_on_cnt = %d \n", __func__, fled->pdata->led[fled_index].en_mled, fled->torch_on_cnt);
if (fled->pdata->led[fled_index].en_mled == true) {
goto out_skip;
}
if (fled->torch_on_cnt == 0) {
sm5713_fled_check_vbus(fled);
muic_check_fled_state(1, FLED_MODE_TORCH);
sm5713_usbpd_check_fled_state(1, FLED_MODE_TORCH);
sm5713_charger_oper_push_event(SM5713_CHARGER_OP_EVENT_TORCH, 1);
}
sm5713_fled_control(fled_index, FLED_MODE_TORCH);
fled->pdata->led[fled_index].en_mled = true;
fled->torch_on_cnt++;
}
out_skip:
ret = count;
out_p:
mutex_unlock(&fled->fled_mutex);
return count;
}
static ssize_t sm5713_rear_flash_show(struct device *dev, struct device_attribute *attr, char *buf)
{
int fled_index = get_fled_index(attr);
struct sm5713_fled_data *fled = g_sm5713_fled;
if (g_sm5713_fled == NULL) {
pr_err("sm5713-fled: %s: g_sm5713_fled is NULL\n", __func__);
return -ENODEV;
}
if (IS_ERR_VALUE((unsigned long)fled_index)) {
return -ENOENT;
}
return sprintf(buf, "%d\n", fled->pdata->led[fled_index].sysfs_input_data);
}
#endif /* #if defined (CONFIG_LEDS_SM5713_DUAL_LED) */
static DEVICE_ATTR(rear_flash, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH, sm5713_rear_flash_show, sm5713_rear_flash_store);
static int sm5713_fled_parse_dt(struct device *dev, sm5713_fled_platform_data *pdata)
{
struct device_node *np, *c_np;
int fled_index, ret = 0;
u32 temp;
np = of_find_node_by_name(NULL, "sm5713-fled");
if (!np) {
dev_err(dev, "%s: can't find sm5713-fled np\n", __func__);
return -EINVAL;
}
#if defined (CONFIG_LEDS_SM5713_DUAL_LED)
ret = of_property_read_u32_array(np, "torch-led-cnt",
pdata->torch_index_cnt, MAX_TORCH_LEVELS_5713);
for (temp = 0; temp < MAX_TORCH_LEVELS_5713; temp++) {
char name[20];
u32 index;
sprintf(name, "torch-led-index-%d", temp);
dev_info(dev, "num [%d].name [%s]\n", pdata->torch_index_cnt[temp], name);
ret = of_property_read_u32_array(np, name,
pdata->torch_index[temp], pdata->torch_index_cnt[temp]);
for (index = 0; index < pdata->torch_index_cnt[temp]; index++) {
dev_info(dev, "value [%d].\t", pdata->torch_index[temp][index]);
}
}
#endif /* #if defined (CONFIG_LEDS_SM5713_DUAL_LED) */
for_each_child_of_node(np, c_np) {
ret = of_property_read_u32(c_np, "id", &fled_index);
if (ret) {
pr_err("sm5713-fled: %s: fail to get a id\n", __func__);
return ret;
}
of_property_read_u32(c_np, "flash-brightness", &temp);
pdata->led[fled_index].flash_brightness = (temp & 0xff);
of_property_read_u32(c_np, "preflash-brightness", &temp);
pdata->led[fled_index].preflash_brightness = (temp & 0xff);
of_property_read_u32(c_np, "torch-brightness", &temp);
pdata->led[fled_index].torch_brightness = (temp & 0xff);
ret = of_property_read_u32_array(c_np, "torch-brightness-levels",
pdata->led[fled_index].torch_brightness_levels,
MAX_TORCH_LEVELS_5713);
if (ret) {
pdata->led[fled_index].apply_torch_brightness_control = false;
} else {
pdata->led[fled_index].apply_torch_brightness_control = true;
}
of_property_read_u32(c_np, "timeout", &temp);
pdata->led[fled_index].timeout = (temp & 0xff);
pdata->led[fled_index].fen_pin = of_get_named_gpio(c_np, "flash-en-gpio", 0);
pdata->led[fled_index].men_pin = of_get_named_gpio(c_np, "torch-en-gpio", 0);
dev_info(dev, "%s: f_cur=0x%x, pre_cur=0x%x, t_cur=0x%x, tout=%d, gpio=%d:%d\n",
__func__, pdata->led[fled_index].flash_brightness, pdata->led[fled_index].preflash_brightness,
pdata->led[fled_index].torch_brightness, pdata->led[fled_index].timeout,
pdata->led[fled_index].fen_pin, pdata->led[fled_index].men_pin);
}
dev_info(dev, "%s: parse dt done.\n", __func__);
return 0;
}
static void sm5713_fled_init(struct sm5713_fled_data *fled)
{
int i;
for (i = 0; i < SM5713_FLED_MAX_NUM; ++i) {
fled_set_mode(fled, i, FLED_MODE_OFF);
fled->pdata->led[i].en_mled = 0;
fled->pdata->led[i].en_fled = 0;
fled->pdata->led[i].pre_fled = 0;
fled->pdata->led[i].used_gpio_ctrl = 0;
}
fled->torch_on_cnt = 0;
fled->flash_on_cnt = 0;
fled->flash_prepare_cnt = 0;
mutex_init(&fled->fled_mutex);
}
static int sm5713_fled_probe(struct platform_device *pdev)
{
struct sm5713_dev *sm5713 = dev_get_drvdata(pdev->dev.parent);
struct sm5713_fled_data *fled;
int ret = 0;
dev_info(&pdev->dev, "sm5713 fled probe start (rev=%d)\n", sm5713->pmic_rev);
fled = devm_kzalloc(&pdev->dev, sizeof(struct sm5713_fled_data), GFP_KERNEL);
if (unlikely(!fled)) {
dev_err(&pdev->dev, "%s: fail to alloc_devm\n", __func__);
return -ENOMEM;
}
fled->dev = &pdev->dev;
fled->i2c = sm5713->charger;
fled->pdata = devm_kzalloc(&pdev->dev, sizeof(sm5713_fled_platform_data), GFP_KERNEL);
if (unlikely(!fled->pdata)) {
dev_err(fled->dev, "%s: fail to alloc_pdata\n", __func__);
ret = -ENOMEM;
goto free_dev;
}
ret = sm5713_fled_parse_dt(fled->dev, fled->pdata);
if (ret < 0) {
goto free_pdata;
}
sm5713_fled_init(fled);
g_sm5713_fled = fled;
if (IS_ERR_OR_NULL(camera_class)) {
dev_err(fled->dev, "%s: can't find camera_class sysfs object, didn't used rear_flash attribute\n", __func__);
goto free_pdata;
}
fled->rear_fled_dev = device_create(camera_class, NULL, 0, NULL, "flash");
if (IS_ERR(fled->rear_fled_dev)) {
dev_err(fled->dev, "%s failed create device for rear_flash\n", __func__);
goto free_pdata;
}
fled->rear_fled_dev->parent = fled->dev;
ret = device_create_file(fled->rear_fled_dev, &dev_attr_rear_flash);
if (IS_ERR_VALUE((unsigned long)ret)) {
dev_err(fled->dev, "%s failed create device file for rear_flash\n", __func__);
goto free_device;
}
#if defined (CONFIG_LEDS_SM5713_DUAL_LED)
ret = device_create_file(fled->rear_fled_dev, &dev_attr_rear_flash2);
if (IS_ERR_VALUE((unsigned long) ret)) {
dev_err(fled->dev, "%s failed create device file for rear_flash2\n",
__func__);
goto free_device;
}
#endif
dev_info(&pdev->dev, "sm5713 fled probe done.\n");
return 0;
free_device:
device_destroy(camera_class, fled->rear_fled_dev->devt);
free_pdata:
devm_kfree(&pdev->dev, fled->pdata);
free_dev:
devm_kfree(&pdev->dev, fled);
return ret;
}
static int sm5713_fled_remove(struct platform_device *pdev)
{
struct sm5713_fled_data *fled = platform_get_drvdata(pdev);
int i = 0;
#if defined (CONFIG_LEDS_SM5713_DUAL_LED)
device_remove_file(fled->rear_fled_dev, &dev_attr_rear_flash2);
#endif
device_remove_file(fled->rear_fled_dev, &dev_attr_rear_flash);
device_destroy(camera_class, fled->rear_fled_dev->devt);
for (i = 0; i < SM5713_FLED_MAX_NUM ; i++)
fled_set_mode(fled, i, FLED_MODE_OFF);
platform_set_drvdata(pdev, NULL);
devm_kfree(&pdev->dev, fled->pdata);
devm_kfree(&pdev->dev, fled);
return 0;
}
static struct of_device_id sm5713_fled_match_table[] = {
{ .compatible = "siliconmitus,sm5713-fled",},
{},
};
static const struct platform_device_id sm5713_fled_id[] = {
{"sm5713-fled", 0},
{},
};
static struct platform_driver sm5713_led_driver = {
.driver = {
.name = "sm5713-fled",
.owner = THIS_MODULE,
.of_match_table = sm5713_fled_match_table,
},
.probe = sm5713_fled_probe,
.remove = sm5713_fled_remove,
.id_table = sm5713_fled_id,
};
static int __init sm5713_led_driver_init(void)
{
return platform_driver_register(&sm5713_led_driver);
}
module_init(sm5713_led_driver_init);
static void __exit sm5713_led_driver_exit(void)
{
platform_driver_unregister(&sm5713_led_driver);
}
module_exit(sm5713_led_driver_exit);
MODULE_DESCRIPTION("SM5713 LED driver");
MODULE_AUTHOR("Samsung Electronics");
MODULE_LICENSE("GPL");
Reference in New Issue View Git Blame Copy Permalink