/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2019 MediaTek Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_MTK_AAL_SUPPORT #include /* #include */ #endif #ifdef CONFIG_MTK_PWM #include #endif #ifdef CONFIG_MTK_PMIC_NEW_ARCH #include #endif #ifdef CONFIG_MTK_FB #include #include "ddp_pwm.h" #include "mtkfb.h" #endif // #define MET_USER_EVENT_SUPPORT #ifdef MET_USER_EVENT_SUPPORT #include #endif #include "mtk_leds_sw.h" #include "mtk_leds_hal.h" #include "../mtk_leds_drv.h" /* for LED&Backlight bringup, define the dummy API */ #ifndef CONFIG_MTK_PMIC_NEW_ARCH u16 pmic_set_register_value(u32 flagname, u32 val) { return 0; } #endif static DEFINE_MUTEX(leds_mutex); static DEFINE_MUTEX(leds_pmic_mutex); /**************************************************************************** * variables ***************************************************************************/ #define CLK_DIV1 0 static unsigned int bl_brightness_hal = 102; #ifdef CONFIG_MTK_PWM static unsigned int bl_duty_hal = 21; #endif static unsigned int bl_div_hal = CLK_DIV1; /* for button led don't do ISINK disable first time */ static int button_flag_isink0; static int button_flag_isink1; struct wakeup_source leds_suspend_lock; struct cust_mt65xx_led *pled_dtsi; char *leds_name[MT65XX_LED_TYPE_TOTAL] = { "red", "green", "blue", "jogball-backlight", "keyboard-backlight", "button-backlight", "lcd-backlight", }; /**************************************************************************** * DEBUG MACROS ***************************************************************************/ static int debug_enable_led_hal = 1; #define LEDS_DEBUG(format, args...) do { \ if (debug_enable_led_hal) { \ pr_debug("[LED]"format, ##args);\ } \ } while (0) /*****************PWM *************************************************/ #define PWM_DIV_NUM 8 #ifdef CONFIG_MTK_PWM static int time_array_hal[PWM_DIV_NUM] = { 256, 512, 1024, 2048, 4096, 8192, 16384, 32768 }; static unsigned int backlight_PWM_div_hal = CLK_DIV1; static unsigned int div_array_hal[PWM_DIV_NUM] = { 1, 2, 4, 8, 16, 32, 64, 128 }; #endif /**************************************************************************** * func:return global variables ***************************************************************************/ static unsigned long long current_t, last_time; static int count; static char buffer[4096] = "[BL] Set Backlight directly "; static void backlight_debug_log(int level, int mappingLevel) { unsigned long cur_time_mod = 0; unsigned long long cur_time_display = 0; int ret = 0; current_t = sched_clock(); cur_time_display = current_t; do_div(cur_time_display, 1000000); cur_time_mod = do_div(cur_time_display, 1000); ret = snprintf(buffer + strlen(buffer), 4095 - strlen(buffer), "T:%lld.%ld,L:%d map:%d ", cur_time_display, cur_time_mod, level, mappingLevel); count++; if (ret < 0 || ret >= 4096) { pr_info("print log error!"); count = 5; } if (level == 0 || count >= 5 || (current_t - last_time) > 1000000000) { LEDS_DEBUG("%s", buffer); count = 0; buffer[strlen("Set Backlight directly ")] = '\0'; } last_time = sched_clock(); } void mt_leds_wake_lock_init(void) { // wakeup_source_init(&leds_suspend_lock, "leds wakelock"); } unsigned int *mt_get_div_array(void) { return &div_array_hal[0]; } struct cust_mt65xx_led *get_cust_led_dtsi(void) { struct device_node *led_node = NULL; bool isSupportDTS = false; int i, ret; int mode, data; int pwm_config[5] = { 0 }; if (pled_dtsi) goto out; pr_info("[LED] %s pled_dtsi is null, load dts file\n", __func__); pled_dtsi = kmalloc_array(MT65XX_LED_TYPE_TOTAL, sizeof(struct cust_mt65xx_led), GFP_KERNEL); if (pled_dtsi == NULL) { LEDS_DEBUG("%s kmalloc fail\n", __func__); goto out; } for (i = 0; i < MT65XX_LED_TYPE_TOTAL; i++) { char node_name[32] = "mediatek,"; if (strlen(node_name) + strlen(leds_name[i]) + 1 > sizeof(node_name)) { LEDS_DEBUG("buffer for %s%s not enough\n", node_name, leds_name[i]); pled_dtsi[i].mode = 0; pled_dtsi[i].data = -1; continue; } pled_dtsi[i].name = leds_name[i]; led_node = of_find_compatible_node(NULL, NULL, strncat(node_name, leds_name[i], sizeof(node_name) - strlen(node_name) - 1)); if (!led_node) { pr_info("[LED]Cannot find LED node from dts\n"); pled_dtsi[i].mode = 0; pled_dtsi[i].data = -1; continue; } isSupportDTS = true; ret = of_property_read_u32(led_node, "led_mode", &mode); if (!ret) { pled_dtsi[i].mode = mode; LEDS_DEBUG("The %s's led mode is : %d\n", pled_dtsi[i].name, pled_dtsi[i].mode); } else { LEDS_DEBUG("led dts can not get %s led mode\n", pled_dtsi[i].name); pled_dtsi[i].mode = 0; } ret = of_property_read_u32(led_node, "data", &data); if (!ret) { pled_dtsi[i].data = data; LEDS_DEBUG("The %s's led data is : %ld\n", pled_dtsi[i].name, pled_dtsi[i].data); } else { LEDS_DEBUG("led dts can not get %s led data\n", pled_dtsi[i].name); pled_dtsi[i].data = -1; } ret = of_property_read_u32_array(led_node, "pwm_config", pwm_config, ARRAY_SIZE(pwm_config)); if (!ret) { LEDS_DEBUG("%s's pwm cfg %d %d %d %d %d\n", pled_dtsi[i].name, pwm_config[0], pwm_config[1], pwm_config[2], pwm_config[3], pwm_config[4]); pled_dtsi[i].config_data.clock_source = pwm_config[0]; pled_dtsi[i].config_data.div = pwm_config[1]; pled_dtsi[i].config_data.low_duration = pwm_config[2]; pled_dtsi[i].config_data.High_duration = pwm_config[3]; pled_dtsi[i].config_data.pmic_pad = pwm_config[4]; } else LEDS_DEBUG("led dts can't get pwm config\n"); switch (pled_dtsi[i].mode) { case MT65XX_LED_MODE_CUST_LCM: #if defined(CONFIG_BACKLIGHT_SUPPORT_LM3697) pled_dtsi[i].data = (long)chargepump_set_backlight_level; LEDS_DEBUG("BL set by chargepump\n"); #else pled_dtsi[i].data = (long)mtkfb_set_backlight_level; #endif LEDS_DEBUG("kernel:the BL hw mode is LCM.\n"); break; case MT65XX_LED_MODE_CUST_BLS_PWM: pled_dtsi[i].data = (long)disp_bls_set_backlight; LEDS_DEBUG("kernel:the BL hw mode is BLS.\n"); break; default: break; } } if (!isSupportDTS) { kfree(pled_dtsi); pled_dtsi = NULL; } out: return pled_dtsi; } struct cust_mt65xx_led *mt_get_cust_led_list(void) { struct cust_mt65xx_led *cust_led_list = get_cust_led_dtsi(); return cust_led_list; } /**************************************************************************** * internal functions ***************************************************************************/ #ifdef CONFIG_MTK_PWM static int brightness_mapto64(int level) { if (level < 30) return (level >> 1) + 7; else if (level <= 120) return (level >> 2) + 14; else if (level <= 160) return level / 5 + 20; else return (level >> 3) + 33; } static int find_time_index(int time) { int index = 0; while (index < 8) { if (time < time_array_hal[index]) return index; index++; } return PWM_DIV_NUM - 1; } #endif int mt_led_set_pwm(int pwm_num, struct nled_setting *led) { #ifdef CONFIG_MTK_PWM struct pwm_spec_config pwm_setting; int time_index = 0; memset(&pwm_setting, 0, sizeof(struct pwm_spec_config)); pwm_setting.pwm_no = pwm_num; pwm_setting.mode = PWM_MODE_OLD; LEDS_DEBUG("led_set_pwm: mode=%d,pwm_no=%d\n", led->nled_mode, pwm_num); /* We won't choose 32K to be the clock src of old mode because of * system performance. The setting here will be clock src = 26MHz, * CLKSEL = 26M/1625 (i.e. 16K) */ pwm_setting.clk_src = PWM_CLK_OLD_MODE_32K; pwm_setting.pmic_pad = 0; switch (led->nled_mode) { /* Actually, the setting still can not to turn off NLED. We should * disable PWM to turn off NLED. */ case NLED_OFF: pwm_setting.PWM_MODE_OLD_REGS.THRESH = 0; pwm_setting.clk_div = CLK_DIV1; pwm_setting.PWM_MODE_OLD_REGS.DATA_WIDTH = 100 / 2; break; case NLED_ON: pwm_setting.PWM_MODE_OLD_REGS.THRESH = 30 / 2; pwm_setting.clk_div = CLK_DIV1; pwm_setting.PWM_MODE_OLD_REGS.DATA_WIDTH = 100 / 2; break; case NLED_BLINK: LEDS_DEBUG("LED blink on time = %d offtime = %d\n", led->blink_on_time, led->blink_off_time); time_index = find_time_index(led->blink_on_time + led->blink_off_time); LEDS_DEBUG("LED div is %d\n", time_index); pwm_setting.clk_div = time_index; pwm_setting.PWM_MODE_OLD_REGS.DATA_WIDTH = (led->blink_on_time + led->blink_off_time) * MIN_FRE_OLD_PWM / div_array_hal[time_index]; pwm_setting.PWM_MODE_OLD_REGS.THRESH = (led->blink_on_time * 100) / (led->blink_on_time + led->blink_off_time); break; default: LEDS_DEBUG("Invalid nled mode\n"); return -1; } pwm_setting.PWM_MODE_FIFO_REGS.IDLE_VALUE = 0; pwm_setting.PWM_MODE_FIFO_REGS.GUARD_VALUE = 0; pwm_setting.PWM_MODE_FIFO_REGS.GDURATION = 0; pwm_setting.PWM_MODE_FIFO_REGS.WAVE_NUM = 0; pwm_set_spec_config(&pwm_setting); #endif return 0; } /************************ led breath function*****************************/ /************************************************************************* * func is to switch to breath mode from PWM mode of ISINK * para: enable: 1 : breath mode; 0: PWM mode; *************************************************************************/ #if 0 static int led_switch_breath_pmic(enum mt65xx_led_pmic pmic_type, struct nled_setting *led, int enable) { /* int time_index = 0; */ /* int duty = 0; */ LEDS_DEBUG("led_blink_pmic: pmic_type=%d\n", pmic_type); if ((pmic_type != MT65XX_LED_PMIC_NLED_ISINK0 && pmic_type != MT65XX_LED_PMIC_NLED_ISINK1 && pmic_type != MT65XX_LED_PMIC_NLED_ISINK2 && pmic_type != MT65XX_LED_PMIC_NLED_ISINK3) || led->nled_mode != NLED_BLINK) { return -1; } if (enable == 1) { switch (pmic_type) { case MT65XX_LED_PMIC_NLED_ISINK0: pmic_set_register_value(PMIC_ISINK_CH0_MODE, ISINK_BREATH_MODE); pmic_set_register_value(PMIC_ISINK_CH0_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_BREATH0_TR1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH0_TR2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH0_TF1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH0_TF2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH0_TON_SEL, 0x02); pmic_set_register_value(PMIC_ISINK_BREATH0_TOFF_SEL, 0x03); pmic_set_register_value(PMIC_ISINK_DIM0_DUTY, 15); pmic_set_register_value(PMIC_ISINK_DIM0_FSEL, 11); break; case MT65XX_LED_PMIC_NLED_ISINK1: pmic_set_register_value(PMIC_ISINK_CH1_MODE, ISINK_BREATH_MODE); pmic_set_register_value(PMIC_ISINK_CH1_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_BREATH1_TR1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH1_TR2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH1_TF1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH1_TF2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH1_TON_SEL, 0x02); pmic_set_register_value(PMIC_ISINK_BREATH1_TOFF_SEL, 0x03); pmic_set_register_value(PMIC_ISINK_DIM1_DUTY, 15); pmic_set_register_value(PMIC_ISINK_DIM1_FSEL, 11); break; case MT65XX_LED_PMIC_NLED_ISINK2: pmic_set_register_value(PMIC_ISINK_CH2_MODE, ISINK_BREATH_MODE); pmic_set_register_value(PMIC_ISINK_CH2_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_BREATH2_TR1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH2_TR2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH2_TF1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH2_TF2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH2_TON_SEL, 0x02); pmic_set_register_value(PMIC_ISINK_BREATH2_TOFF_SEL, 0x03); pmic_set_register_value(PMIC_ISINK_DIM2_DUTY, 15); pmic_set_register_value(PMIC_ISINK_DIM2_FSEL, 11); break; case MT65XX_LED_PMIC_NLED_ISINK3: pmic_set_register_value(PMIC_ISINK_CH3_MODE, ISINK_BREATH_MODE); pmic_set_register_value(PMIC_ISINK_CH3_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_BREATH3_TR1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH3_TR2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH3_TF1_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH3_TF2_SEL, 0x04); pmic_set_register_value(PMIC_ISINK_BREATH3_TON_SEL, 0x02); pmic_set_register_value(PMIC_ISINK_BREATH3_TOFF_SEL, 0x03); pmic_set_register_value(PMIC_ISINK_DIM3_DUTY, 15); pmic_set_register_value(PMIC_ISINK_DIM3_FSEL, 11); break; default: break; } } else { switch (pmic_type) { case MT65XX_LED_PMIC_NLED_ISINK0: pmic_set_register_value(PMIC_ISINK_CH3_MODE, ISINK_PWM_MODE); break; case MT65XX_LED_PMIC_NLED_ISINK0: pmic_set_register_value(PMIC_ISINK_CH3_MODE, ISINK_PWM_MODE); break; case MT65XX_LED_PMIC_NLED_ISINK0: pmic_set_register_value(PMIC_ISINK_CH3_MODE, ISINK_PWM_MODE); break; case MT65XX_LED_PMIC_NLED_ISINK0: pmic_set_register_value(PMIC_ISINK_CH3_MODE, ISINK_PWM_MODE); break; default: break; } } return 0; } #endif #ifndef CONFIG_MTK_PMIC_CHIP_MT6358 #define PMIC_PERIOD_NUM 8 int pmic_period_array[] = { 2, 4, 6, 8, 10, 12, 20, 60 }; int pmic_freqsel_array[] = { 0, 1, 2, 3, 4, 5, 9, 28 }; static int find_time_index_pmic(int time_ms) { int i; for (i = 0; i < PMIC_PERIOD_NUM; i++) { if (time_ms <= pmic_period_array[i]) return i; } return PMIC_PERIOD_NUM - 1; } #endif int mt_led_blink_pmic(enum mt65xx_led_pmic pmic_type, struct nled_setting *led) { #ifdef CONFIG_MTK_PMIC_CHIP_MT6358 LEDS_DEBUG("%s pmic_type = %d isink does not support this path\n", __func__, pmic_type); #else int time_index = 0; int duty = 0; if (led->nled_mode != NLED_BLINK) return -1; LEDS_DEBUG("%s blink on time = %d offtime = %d\n", __func__, led->blink_on_time, led->blink_off_time); time_index = find_time_index_pmic(led->blink_on_time + led->blink_off_time); LEDS_DEBUG("LED index is %d freqsel=%d\n", time_index, pmic_freqsel_array[time_index]); duty = 256 * led->blink_on_time / (led->blink_on_time + led->blink_off_time); if (pmic_type > MT65XX_LED_PMIC_NLED_ISINK_MIN && pmic_type < MT65XX_LED_PMIC_NLED_ISINK_MAX) pmic_set_register_value(PMIC_RG_DRV_128K_CK_PDN, 0x0); switch (pmic_type) { case MT65XX_LED_PMIC_NLED_ISINK0: pmic_set_register_value(PMIC_ISINK_CH0_EN, NLED_OFF); pmic_set_register_value(PMIC_RG_DRV_ISINK0_CK_PDN, 0); pmic_set_register_value(PMIC_ISINK_CH0_MODE, ISINK_PWM_MODE); pmic_set_register_value(PMIC_ISINK_CH0_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_DIM0_DUTY, duty); pmic_set_register_value(PMIC_ISINK_DIM0_FSEL, pmic_freqsel_array[time_index]); pmic_set_register_value(PMIC_ISINK_CH0_BIAS_EN, NLED_ON); pmic_set_register_value(PMIC_ISINK_CHOP0_EN, NLED_ON); pmic_set_register_value(PMIC_ISINK_CH0_EN, NLED_ON); break; case MT65XX_LED_PMIC_NLED_ISINK1: pmic_set_register_value(PMIC_ISINK_CH1_EN, NLED_OFF); pmic_set_register_value(PMIC_RG_DRV_ISINK1_CK_PDN, 0); pmic_set_register_value(PMIC_ISINK_CH1_MODE, ISINK_PWM_MODE); pmic_set_register_value(PMIC_ISINK_CH1_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_DIM1_DUTY, duty); pmic_set_register_value(PMIC_ISINK_DIM1_FSEL, pmic_freqsel_array[time_index]); pmic_set_register_value(PMIC_ISINK_CH1_BIAS_EN, NLED_ON); pmic_set_register_value(PMIC_ISINK_CHOP1_EN, NLED_ON); pmic_set_register_value(PMIC_ISINK_CH1_EN, NLED_ON); break; default: LEDS_DEBUG("pmic_type %d is not handled\n", pmic_type); break; } #endif return 0; } int mt_backlight_set_pwm(int pwm_num, u32 level, u32 div, struct PWM_config *config_data) { #ifdef CONFIG_MTK_PWM struct pwm_spec_config pwm_setting; unsigned int BacklightLevelSupport = Cust_GetBacklightLevelSupport_byPWM(); pwm_setting.pwm_no = pwm_num; if (BacklightLevelSupport == BACKLIGHT_LEVEL_PWM_256_SUPPORT) pwm_setting.mode = PWM_MODE_OLD; else pwm_setting.mode = PWM_MODE_FIFO; pwm_setting.pmic_pad = config_data->pmic_pad; if (config_data->div) { pwm_setting.clk_div = config_data->div; backlight_PWM_div_hal = config_data->div; } else pwm_setting.clk_div = div; if (BacklightLevelSupport == BACKLIGHT_LEVEL_PWM_256_SUPPORT) { /* PWM_CLK_OLD_MODE_32K is block/1625 = 26M/1625 = 16KHz @ MT6571 */ if (config_data->clock_source) pwm_setting.clk_src = PWM_CLK_OLD_MODE_BLOCK; else pwm_setting.clk_src = PWM_CLK_OLD_MODE_32K; pwm_setting.PWM_MODE_OLD_REGS.IDLE_VALUE = 0; pwm_setting.PWM_MODE_OLD_REGS.GUARD_VALUE = 0; pwm_setting.PWM_MODE_OLD_REGS.GDURATION = 0; pwm_setting.PWM_MODE_OLD_REGS.WAVE_NUM = 0; pwm_setting.PWM_MODE_OLD_REGS.DATA_WIDTH = 255; /* 256 level */ pwm_setting.PWM_MODE_OLD_REGS.THRESH = level; LEDS_DEBUG("[%d]backlight set pwm:duty is %d/%d\n", BacklightLevelSupport, level, pwm_setting.PWM_MODE_OLD_REGS.DATA_WIDTH); LEDS_DEBUG("[%d]backlight set pwm:clk_src/div is %d%d\n", BacklightLevelSupport, pwm_setting.clk_src, pwm_setting.clk_div); if (level > 0 && level < 256) { pwm_set_spec_config(&pwm_setting); LEDS_DEBUG ("[%d]old mode: thres/data_width is %d/%d\n", BacklightLevelSupport, pwm_setting.PWM_MODE_OLD_REGS.THRESH, pwm_setting.PWM_MODE_OLD_REGS.DATA_WIDTH); } else { LEDS_DEBUG("[%d]Error level in backlight\n", BacklightLevelSupport); mt_pwm_disable(pwm_setting.pwm_no, config_data->pmic_pad); } } else { if (config_data->clock_source) { pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK; } else { pwm_setting.clk_src = PWM_CLK_NEW_MODE_BLOCK_DIV_BY_1625; } if (config_data->High_duration && config_data->low_duration) { pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = config_data->High_duration; pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = pwm_setting.PWM_MODE_FIFO_REGS.HDURATION; } else { pwm_setting.PWM_MODE_FIFO_REGS.HDURATION = 4; pwm_setting.PWM_MODE_FIFO_REGS.LDURATION = 4; } pwm_setting.PWM_MODE_FIFO_REGS.IDLE_VALUE = 0; pwm_setting.PWM_MODE_FIFO_REGS.GUARD_VALUE = 0; pwm_setting.PWM_MODE_FIFO_REGS.STOP_BITPOS_VALUE = 31; pwm_setting.PWM_MODE_FIFO_REGS.GDURATION = (pwm_setting.PWM_MODE_FIFO_REGS.HDURATION + 1) * 32 - 1; pwm_setting.PWM_MODE_FIFO_REGS.WAVE_NUM = 0; LEDS_DEBUG("%s :duty is %d\n", __func__, level); LEDS_DEBUG("clk_src/div/high/low is %d%d%d%d\n", pwm_setting.clk_src, pwm_setting.clk_div, pwm_setting.PWM_MODE_FIFO_REGS.HDURATION, pwm_setting.PWM_MODE_FIFO_REGS.LDURATION); if (level > 0 && level <= 32) { pwm_setting.PWM_MODE_FIFO_REGS.GUARD_VALUE = 0; pwm_setting.PWM_MODE_FIFO_REGS.SEND_DATA0 = (1 << level) - 1; pwm_set_spec_config(&pwm_setting); } else if (level > 32 && level <= 64) { pwm_setting.PWM_MODE_FIFO_REGS.GUARD_VALUE = 1; level -= 32; pwm_setting.PWM_MODE_FIFO_REGS.SEND_DATA0 = (1 << level) - 1; pwm_set_spec_config(&pwm_setting); } else { LEDS_DEBUG("Error level in backlight\n"); mt_pwm_disable(pwm_setting.pwm_no, config_data->pmic_pad); } } #endif return 0; } void mt_led_pwm_disable(int pwm_num) { #ifdef CONFIG_MTK_PWM struct cust_mt65xx_led *cust_led_list = get_cust_led_dtsi(); mt_pwm_disable(pwm_num, cust_led_list->config_data.pmic_pad); #endif } int mt_brightness_set_pmic(enum mt65xx_led_pmic pmic_type, u32 level, u32 div) { #ifdef CONFIG_MTK_PMIC_CHIP_MT6358 LEDS_DEBUG("%s, pmic_type = %d isink does not support this path\n", __func__, pmic_type); #else static bool first_time = true; LEDS_DEBUG("%s pmic_type%d level%d\n", __func__, pmic_type, level); mutex_lock(&leds_pmic_mutex); if (pmic_type == MT65XX_LED_PMIC_NLED_ISINK0) { /* button flag ==0, means this ISINK is not for button */ if ((button_flag_isink0 == 0) && (first_time == true)) { /* sw workround for sync leds status */ if (button_flag_isink1 == 0) // pmic_set_register_value(PMIC_ISINK_CH1_EN, // NLED_OFF); first_time = false; } pmic_set_register_value(PMIC_RG_DRV_128K_CK_PDN, 0x0); pmic_set_register_value(PMIC_RG_DRV_ISINK0_CK_PDN, 0); pmic_set_register_value(PMIC_ISINK_CH0_MODE, ISINK_PWM_MODE); /* 16mA */ pmic_set_register_value(PMIC_ISINK_CH0_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_DIM0_DUTY, 255); /* 1KHz */ pmic_set_register_value(PMIC_ISINK_DIM0_FSEL, ISINK_128K_500HZ); pmic_set_register_value(PMIC_ISINK_CH0_BIAS_EN, NLED_ON); pmic_set_register_value(PMIC_ISINK_CHOP0_EN, NLED_ON); if (level) pmic_set_register_value(PMIC_ISINK_CH0_EN, NLED_ON); else pmic_set_register_value(PMIC_ISINK_CH0_EN, NLED_OFF); mutex_unlock(&leds_pmic_mutex); return 0; } else if (pmic_type == MT65XX_LED_PMIC_NLED_ISINK1) { /* button flag ==0, means this ISINK is not for button*/ if ((button_flag_isink1 == 0) && (first_time == true)) { /* sw workround for sync leds status */ if (button_flag_isink0 == 0) pmic_set_register_value(PMIC_ISINK_CH0_EN, NLED_OFF); first_time = false; } /* Disable power down */ pmic_set_register_value(PMIC_RG_DRV_128K_CK_PDN, 0x0); pmic_set_register_value(PMIC_RG_DRV_ISINK1_CK_PDN, 0); pmic_set_register_value(PMIC_ISINK_CH1_MODE, ISINK_PWM_MODE); /* 16mA */ pmic_set_register_value(PMIC_ISINK_CH1_STEP, ISINK_3); pmic_set_register_value(PMIC_ISINK_DIM1_DUTY, 255); /* 1KHz */ pmic_set_register_value(PMIC_ISINK_DIM1_FSEL, ISINK_128K_500HZ); pmic_set_register_value(PMIC_ISINK_CH1_BIAS_EN, NLED_ON); pmic_set_register_value(PMIC_ISINK_CHOP1_EN, NLED_ON); if (level) pmic_set_register_value(PMIC_ISINK_CH1_EN, NLED_ON); else pmic_set_register_value(PMIC_ISINK_CH1_EN, NLED_OFF); mutex_unlock(&leds_pmic_mutex); return 0; } mutex_unlock(&leds_pmic_mutex); #endif return -1; } int mt_mt65xx_led_set_cust(struct cust_mt65xx_led *cust, int level) { #ifdef CONFIG_MTK_PWM struct nled_setting led_tmp_setting = { 0, 0, 0 }; int tmp_level = level; unsigned int BacklightLevelSupport = Cust_GetBacklightLevelSupport_byPWM(); #endif static bool button_flag; switch (cust->mode) { case MT65XX_LED_MODE_PWM: #ifdef CONFIG_MTK_PWM if (strcmp(cust->name, "lcd-backlight") == 0) { bl_brightness_hal = level; if (level == 0) { mt_pwm_disable(cust->data, cust->config_data.pmic_pad); } else { if (BacklightLevelSupport == BACKLIGHT_LEVEL_PWM_256_SUPPORT) level = brightness_mapping(tmp_level); else level = brightness_mapto64(tmp_level); mt_backlight_set_pwm(cust->data, level, bl_div_hal, &cust->config_data); } bl_duty_hal = level; } else { if (level == 0) { led_tmp_setting.nled_mode = NLED_OFF; mt_led_set_pwm(cust->data, &led_tmp_setting); mt_pwm_disable(cust->data, cust->config_data.pmic_pad); } else { led_tmp_setting.nled_mode = NLED_ON; mt_led_set_pwm(cust->data, &led_tmp_setting); } } #endif return 1; case MT65XX_LED_MODE_GPIO: LEDS_DEBUG("%s led GPIO mode!!\n", __func__); return ((cust_set_brightness) (cust->data)) (level); case MT65XX_LED_MODE_PMIC: /* for button baclight used SINK channel, when set button ISINK, * don't do disable other ISINK channel */ if ((strcmp(cust->name, "button-backlight") == 0)) { if (button_flag == false) { switch (cust->data) { case MT65XX_LED_PMIC_NLED_ISINK0: button_flag_isink0 = 1; break; case MT65XX_LED_PMIC_NLED_ISINK1: button_flag_isink1 = 1; break; default: break; } button_flag = true; } } return mt_brightness_set_pmic(cust->data, level, bl_div_hal); case MT65XX_LED_MODE_CUST_LCM: if (strcmp(cust->name, "lcd-backlight") == 0) bl_brightness_hal = level; LEDS_DEBUG("%s backlight control by LCM\n", __func__); /* warning for this API revork */ return ((cust_brightness_set) (cust->data)) (level, bl_div_hal); case MT65XX_LED_MODE_CUST_BLS_PWM: if (strcmp(cust->name, "lcd-backlight") == 0) bl_brightness_hal = level; #ifdef MET_USER_EVENT_SUPPORT if (enable_met_backlight_tag()) output_met_backlight_tag(level); #endif return ((cust_set_brightness) (cust->data)) (level); case MT65XX_LED_MODE_NONE: default: break; } return -1; } void mt_mt65xx_led_work(struct work_struct *work) { struct mt65xx_led_data *led_data = container_of(work, struct mt65xx_led_data, work); LEDS_DEBUG("%s:%d work start\n", led_data->cust.name, led_data->level); mutex_lock(&leds_mutex); mt_mt65xx_led_set_cust(&led_data->cust, led_data->level); mutex_unlock(&leds_mutex); } void mt_mt65xx_led_set(struct led_classdev *led_cdev, enum led_brightness level) { struct mt65xx_led_data *led_data = container_of(led_cdev, struct mt65xx_led_data, cdev); /* unsigned long flags; */ /* spin_lock_irqsave(&leds_lock, flags); */ /* do something only when level is changed */ if (led_data->level == level) { LEDS_DEBUG("no level change,do nothing\n"); return; } led_data->level = level; if (strcmp(led_data->cust.name, "lcd-backlight") != 0) { LEDS_DEBUG("Set NLED directly %d at time %lu\n", led_data->level, jiffies); schedule_work(&led_data->work); return; } if (level != 0 && level * CONFIG_LIGHTNESS_MAPPING_VALUE < 255) level = 1; else level = (level * CONFIG_LIGHTNESS_MAPPING_VALUE) / 255; backlight_debug_log(led_data->level, level); disp_pq_notify_backlight_changed((((1 << MT_LED_INTERNAL_LEVEL_BIT_CNT) - 1) * level + 127) / 255); #ifdef CONFIG_MTK_AAL_SUPPORT disp_aal_notify_backlight_changed((((1 << MT_LED_INTERNAL_LEVEL_BIT_CNT) - 1) * level + 127) / 255); #else if (led_data->cust.mode == MT65XX_LED_MODE_CUST_BLS_PWM) mt_mt65xx_led_set_cust(&led_data->cust, ((((1 << MT_LED_INTERNAL_LEVEL_BIT_CNT) - 1) * level + 127) / 255)); else mt_mt65xx_led_set_cust(&led_data->cust, level); #endif } /* spin_unlock_irqrestore(&leds_lock, flags); */ /* if(0!=aee_kernel_Powerkey_is_press()) */ /* aee_kernel_wdt_kick_Powkey_api("mt_mt65xx_led_set",WDT_SETBY_Backlight); */ int mt_mt65xx_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { struct mt65xx_led_data *led_data = container_of(led_cdev, struct mt65xx_led_data, cdev); static int got_wake_lock; struct nled_setting nled_tmp_setting = { 0, 0, 0 }; if ((*delay_on == led_data->delay_on) && (*delay_off == led_data->delay_off)) { LEDS_DEBUG("blink para not changed,do nothing %ld %ld\n", *delay_on, *delay_off); return -1; } /* only allow software blink when delay_on or delay_off changed */ led_data->delay_on = *delay_on; led_data->delay_off = *delay_off; if (led_data->delay_on && led_data->delay_off) { led_data->level = 255; /* AP PWM all support OLD mode */ if (led_data->cust.mode == MT65XX_LED_MODE_PWM) { nled_tmp_setting.nled_mode = NLED_BLINK; nled_tmp_setting.blink_off_time = led_data->delay_off; nled_tmp_setting.blink_on_time = led_data->delay_on; mt_led_set_pwm(led_data->cust.data, &nled_tmp_setting); } else if (led_data->cust.mode == MT65XX_LED_MODE_PMIC) { nled_tmp_setting.nled_mode = NLED_BLINK; nled_tmp_setting.blink_off_time = led_data->delay_off; nled_tmp_setting.blink_on_time = led_data->delay_on; mt_led_blink_pmic(led_data->cust.data, &nled_tmp_setting); } else if (!got_wake_lock) { __pm_stay_awake(&leds_suspend_lock); got_wake_lock = 1; } } else if (!led_data->delay_on && led_data->delay_off) { /* AP PWM all support OLD mode */ if (led_data->cust.mode == MT65XX_LED_MODE_PWM) { nled_tmp_setting.nled_mode = NLED_OFF; mt_led_set_pwm(led_data->cust.data, &nled_tmp_setting); } else if (led_data->cust.mode == MT65XX_LED_MODE_PMIC) mt_brightness_set_pmic(led_data->cust.data, 0, 0); else if (got_wake_lock) { __pm_relax(&leds_suspend_lock); got_wake_lock = 0; } } else if (led_data->delay_on && !led_data->delay_off) { /* AP PWM all support OLD mode */ if (led_data->cust.mode == MT65XX_LED_MODE_PWM) { nled_tmp_setting.nled_mode = NLED_ON; mt_led_set_pwm(led_data->cust.data, &nled_tmp_setting); } else if (led_data->cust.mode == MT65XX_LED_MODE_PMIC) mt_brightness_set_pmic(led_data->cust.data, 1, 0); else if (got_wake_lock) { __pm_relax(&leds_suspend_lock); got_wake_lock = 0; } } else return -1; return 0; }