/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Copyright (C) 2002 by Linus Nielsen Feltzing * Additional work by Martin Ritter (2007) and Thomas Martitz (2008) * for backlight thread fading * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "config.h" #if !defined(BOOTLOADER) #include "settings.h" #include "action.h" #include "../apps/gui/skin_engine/skin_engine.h" #endif #include #include "cpu.h" #include "kernel.h" #include "thread.h" #include "i2c.h" #include "debug.h" #include "rtc.h" #include "usb.h" #include "power.h" #include "system.h" #include "button.h" #include "timer.h" #include "backlight.h" #include "lcd.h" #include "screendump.h" #ifdef HAVE_REMOTE_LCD #include "lcd-remote.h" #endif #ifndef SIMULATOR /* Device specific implementation: bool backlight_hw_init(void); void backlight_hw_on(void); void backlight_hw_off(void); void backlight_hw_brightness(int brightness); */ #include "backlight-target.h" #else #include "backlight-sim.h" #endif #if defined(HAVE_BACKLIGHT) && defined(BACKLIGHT_FULL_INIT) #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) #include "backlight-sw-fading.h" #endif #define BACKLIGHT_FADE_IN_THREAD \ (CONFIG_BACKLIGHT_FADING & (BACKLIGHT_FADING_SW_SETTING \ |BACKLIGHT_FADING_SW_HW_REG \ |BACKLIGHT_FADING_PWM) ) #define BACKLIGHT_THREAD_TIMEOUT HZ enum { BACKLIGHT_ON, BACKLIGHT_OFF, BACKLIGHT_TMO_CHANGED, #ifdef HAVE_BACKLIGHT_BRIGHTNESS BACKLIGHT_BRIGHTNESS_CHANGED, #endif #ifdef HAVE_REMOTE_LCD REMOTE_BACKLIGHT_ON, REMOTE_BACKLIGHT_OFF, REMOTE_BACKLIGHT_TMO_CHANGED, #endif #if defined(_BACKLIGHT_FADE_BOOST) || defined(_BACKLIGHT_FADE_ENABLE) BACKLIGHT_FADE_FINISH, #endif #ifdef HAVE_LCD_SLEEP LCD_SLEEP, #endif #ifdef HAVE_BUTTON_LIGHT BUTTON_LIGHT_ON, BUTTON_LIGHT_OFF, BUTTON_LIGHT_TMO_CHANGED, #ifdef HAVE_BUTTONLIGHT_BRIGHTNESS BUTTON_LIGHT_BRIGHTNESS_CHANGED, #endif #endif /* HAVE_BUTTON_LIGHT */ #ifdef BACKLIGHT_DRIVER_CLOSE BACKLIGHT_QUIT, #endif }; static void backlight_thread(void); static long backlight_stack[DEFAULT_STACK_SIZE/sizeof(long)]; static const char backlight_thread_name[] = "backlight"; static struct event_queue backlight_queue SHAREDBSS_ATTR; static bool ignore_backlight_on = false; static int backlight_ignored_timer = 0; #ifdef BACKLIGHT_DRIVER_CLOSE static unsigned int backlight_thread_id = 0; #endif #ifdef HAVE_BACKLIGHT_BRIGHTNESS int backlight_brightness = DEFAULT_BRIGHTNESS_SETTING; #endif static int backlight_timer SHAREDBSS_ATTR; static int backlight_timeout_normal = 5*HZ; #if CONFIG_CHARGING static int backlight_timeout_plugged = 5*HZ; #endif static int backlight_on_button_hold = 0; static void backlight_handle_timeout(void); #ifdef HAVE_BUTTON_LIGHT static int buttonlight_timer; static int buttonlight_timeout = 5*HZ; static bool ignore_buttonlight_on = false; static int buttonlight_ignored_timer = 0; /* Update state of buttonlight according to timeout setting */ static void buttonlight_update_state(void) { buttonlight_timer = buttonlight_timeout; /* Buttonlight == OFF in the setting? */ if (buttonlight_timer < 0) { buttonlight_timer = 0; /* Disable the timeout */ buttonlight_hw_off(); } else buttonlight_hw_on(); } /* external interface */ void buttonlight_on(void) { if(!ignore_buttonlight_on) { queue_remove_from_head(&backlight_queue, BUTTON_LIGHT_ON); queue_post(&backlight_queue, BUTTON_LIGHT_ON, 0); } } void buttonlight_on_ignore(bool value, int timeout) { ignore_buttonlight_on = value; buttonlight_ignored_timer = timeout; } void buttonlight_off(void) { queue_post(&backlight_queue, BUTTON_LIGHT_OFF, 0); } void buttonlight_set_timeout(int value) { buttonlight_timeout = HZ * value; queue_post(&backlight_queue, BUTTON_LIGHT_TMO_CHANGED, 0); } int buttonlight_get_current_timeout(void) { return buttonlight_timeout; } #endif /* HAVE_BUTTON_LIGHT */ #ifdef HAVE_REMOTE_LCD static int remote_backlight_timer; static int remote_backlight_timeout_normal = 5*HZ; #if CONFIG_CHARGING static int remote_backlight_timeout_plugged = 5*HZ; #endif #ifdef HAS_REMOTE_BUTTON_HOLD static int remote_backlight_on_button_hold = 0; #endif #endif /* HAVE_REMOTE_LCD */ #ifdef HAVE_LCD_SLEEP #ifdef HAVE_LCD_SLEEP_SETTING static int lcd_sleep_timeout = 10*HZ; #else /* Target defines needed value */ #define lcd_sleep_timeout LCD_SLEEP_TIMEOUT #endif static int lcd_sleep_timer SHAREDBSS_ATTR; static void backlight_lcd_sleep_countdown(bool start) { if (!start) { /* Cancel the LCD sleep countdown */ lcd_sleep_timer = 0; return; } /* Start LCD sleep countdown */ if (lcd_sleep_timeout <= 0) { lcd_sleep_timer = 0; if (lcd_sleep_timeout == 0) /* Setting == Always */ { /* Ensure lcd_sleep() is called from backlight_thread() */ #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_PWM) queue_post(&backlight_queue, LCD_SLEEP, 0); #else lcd_sleep(); #endif } } else { lcd_sleep_timer = lcd_sleep_timeout; } } #endif /* HAVE_LCD_SLEEP */ #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) static int backlight_fading_type = (FADING_UP|FADING_DOWN); static int backlight_fading_state = NOT_FADING; #endif /* backlight fading */ #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_PWM) #define BL_PWM_INTERVAL 5 /* Cycle interval in ms */ #define BL_PWM_BITS 8 #define BL_PWM_COUNT (1<> 16; if (bl_dim_current > 0 && bl_dim_current < BL_PWM_COUNT) { _backlight_on_isr(); timer_period = (timer_period * bl_dim_current) >> BL_PWM_BITS; bl_dim_state = DIM_STATE_MAIN; } else { if (bl_dim_current) _backlight_on_isr(); else _backlight_off_isr(); if (bl_dim_current == bl_dim_target) idle = true; } if (bl_dim_current < bl_dim_target) { bl_dim_fraction = MIN(bl_dim_fraction + bl_fade_in_step, (BL_PWM_COUNT<<16)); } else if (bl_dim_current > bl_dim_target) { bl_dim_fraction = MAX(bl_dim_fraction - bl_fade_out_step, 0); } break; /* Dim main screen */ case DIM_STATE_MAIN: _backlight_off_isr(); timer_period = (timer_period * (BL_PWM_COUNT - bl_dim_current)) >> BL_PWM_BITS; bl_dim_state = DIM_STATE_START; break ; } if (idle) { #if defined(_BACKLIGHT_FADE_BOOST) || defined(_BACKLIGHT_FADE_ENABLE) queue_post(&backlight_queue, BACKLIGHT_FADE_FINISH, 0); #endif timer_unregister(); bl_timer_active = false; #ifdef HAVE_LCD_SLEEP if (bl_dim_current == 0) backlight_lcd_sleep_countdown(true); #endif } else timer_set_period(timer_period); } static void backlight_switch(void) { if (bl_dim_target > (BL_PWM_COUNT/2)) { _backlight_on_normal(); bl_dim_fraction = (BL_PWM_COUNT<<16); } else { _backlight_off_normal(); bl_dim_fraction = 0; #ifdef HAVE_LCD_SLEEP backlight_lcd_sleep_countdown(true); #endif } } static void backlight_release_timer(void) { #ifdef _BACKLIGHT_FADE_BOOST cpu_boost(false); #endif timer_unregister(); bl_timer_active = false; backlight_switch(); } static void backlight_dim(int value) { /* protect from extraneous calls with the same target value */ if (value == bl_dim_target) return; bl_dim_target = value; if (bl_timer_active) return ; if (timer_register(0, backlight_release_timer, 2, backlight_isr IF_COP(, CPU))) { #ifdef _BACKLIGHT_FADE_BOOST /* Prevent cpu frequency changes while dimming. */ cpu_boost(true); #endif bl_timer_active = true; } else backlight_switch(); } static void backlight_setup_fade_up(void) { if (bl_fade_in_step > 0) { #ifdef _BACKLIGHT_FADE_ENABLE _backlight_hw_enable(true); #endif backlight_dim(BL_PWM_COUNT); } else { bl_dim_target = BL_PWM_COUNT; bl_dim_fraction = (BL_PWM_COUNT<<16); _backlight_on_normal(); } } static void backlight_setup_fade_down(void) { /* Start fading display if it's not dimmed yet */ if (bl_fade_out_step > 0 && bl_dim_current > 0) { backlight_dim(0); } else { bl_dim_target = bl_dim_fraction = 0; _backlight_off_normal(); #ifdef HAVE_LCD_SLEEP backlight_lcd_sleep_countdown(true); #endif } } void backlight_set_fade_in(int value) { if (value > 0) bl_fade_in_step = ((BL_PWM_INTERVAL*BL_PWM_COUNT)<<16) / value; else bl_fade_in_step = 0; } void backlight_set_fade_out(int value) { if (value > 0) bl_fade_out_step = ((BL_PWM_INTERVAL*BL_PWM_COUNT)<<16) / value; else bl_fade_out_step = 0; } #elif (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) void backlight_set_fade_out(bool value) { if(value) /* on */ backlight_fading_type |= FADING_DOWN; else backlight_fading_type &= FADING_UP; } void backlight_set_fade_in(bool value) { if(value) /* on */ backlight_fading_type |= FADING_UP; else backlight_fading_type &= FADING_DOWN; } static void backlight_setup_fade_up(void) { if (backlight_fading_type & FADING_UP) { if (backlight_fading_state == NOT_FADING) { /* make sure the backlight is at lowest level */ backlight_hw_on(); } backlight_fading_state = FADING_UP; } else { backlight_fading_state = NOT_FADING; _backlight_fade_update_state(backlight_brightness); backlight_hw_on(); backlight_hw_brightness(backlight_brightness); } } static void backlight_setup_fade_down(void) { if (backlight_fading_type & FADING_DOWN) { backlight_fading_state = FADING_DOWN; } else { backlight_fading_state = NOT_FADING; _backlight_fade_update_state(MIN_BRIGHTNESS_SETTING-1); backlight_hw_off(); #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) /* write the lowest brightness level to the hardware so that * fading up is glitch free */ backlight_hw_brightness(MIN_BRIGHTNESS_SETTING); #endif #ifdef HAVE_LCD_SLEEP backlight_lcd_sleep_countdown(true); #endif } } #endif /* CONFIG_BACKLIGHT_FADING */ static inline void do_backlight_off(void) { backlight_timer = 0; #if BACKLIGHT_FADE_IN_THREAD backlight_setup_fade_down(); #else backlight_hw_off(); /* targets that have fading need to start the countdown when done with * fading */ #ifdef HAVE_LCD_SLEEP backlight_lcd_sleep_countdown(true); #endif #endif } /* Update state of backlight according to timeout setting */ static void backlight_update_state(void) { int timeout = backlight_get_current_timeout(); /* Backlight == OFF in the setting? */ if (UNLIKELY(timeout < 0)) { do_backlight_off(); #if defined(HAVE_TRANSFLECTIVE_LCD) && defined(HAVE_LCD_SLEEP) /* LCD must be enabled to allow "passive" operation (backlight always off) */ lcd_awake(); #endif #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) /* necessary step to issue fading down when the setting is selected */ if (queue_empty(&backlight_queue)) queue_post(&backlight_queue, SYS_TIMEOUT, 0); #endif } else { backlight_timer = timeout; #ifdef HAVE_LCD_SLEEP backlight_lcd_sleep_countdown(false); /* wake up lcd */ #endif #if BACKLIGHT_FADE_IN_THREAD backlight_setup_fade_up(); #else backlight_hw_on(); #endif } } #ifdef HAVE_REMOTE_LCD /* Update state of remote backlight according to timeout setting */ static void remote_backlight_update_state(void) { int timeout = remote_backlight_get_current_timeout(); /* Backlight == OFF in the setting? */ if (timeout < 0) { remote_backlight_timer = 0; /* Disable the timeout */ remote_backlight_hw_off(); } else { remote_backlight_timer = timeout; remote_backlight_hw_on(); } } #endif /* HAVE_REMOTE_LCD */ static void backlight_queue_wait(struct queue_event *ev) { #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) if (backlight_fading_state != NOT_FADING) queue_wait_w_tmo(&backlight_queue, ev, FADE_DELAY); else #endif queue_wait_w_tmo(&backlight_queue, ev, BACKLIGHT_THREAD_TIMEOUT); } void backlight_thread(void) { struct queue_event ev; bool locked = false; while(1) { backlight_queue_wait(&ev); switch(ev.id) { /* These events must always be processed */ #ifdef _BACKLIGHT_FADE_BOOST case BACKLIGHT_FADE_FINISH: cpu_boost(false); break; #endif #ifdef _BACKLIGHT_FADE_ENABLE case BACKLIGHT_FADE_FINISH: _backlight_hw_enable((bl_dim_current|bl_dim_target) != 0); break; #endif #ifndef SIMULATOR /* Here for now or else the aggressive init messes up scrolling */ #ifdef HAVE_REMOTE_LCD case SYS_REMOTE_PLUGGED: lcd_remote_on(); lcd_remote_update(); break; case SYS_REMOTE_UNPLUGGED: lcd_remote_off(); break; #elif defined HAVE_REMOTE_LCD_AS_MAIN case SYS_REMOTE_PLUGGED: lcd_on(); lcd_update(); break; case SYS_REMOTE_UNPLUGGED: lcd_off(); break; #endif /* HAVE_REMOTE_LCD/ HAVE_REMOTE_LCD_AS_MAIN */ #endif /* !SIMULATOR */ case SYS_USB_CONNECTED: usb_acknowledge(SYS_USB_CONNECTED_ACK, ev.data); break; #ifdef BACKLIGHT_DRIVER_CLOSE /* Get out of here */ case BACKLIGHT_QUIT: return; #endif } if (locked) continue; switch(ev.id) { /* These events are only processed if backlight isn't locked */ #ifdef HAVE_REMOTE_LCD case REMOTE_BACKLIGHT_TMO_CHANGED: case REMOTE_BACKLIGHT_ON: remote_backlight_update_state(); break; case REMOTE_BACKLIGHT_OFF: remote_backlight_timer = 0; /* Disable the timeout */ remote_backlight_hw_off(); break; #endif /* HAVE_REMOTE_LCD */ case BACKLIGHT_TMO_CHANGED: case BACKLIGHT_ON: backlight_update_state(); break; case BACKLIGHT_OFF: do_backlight_off(); break; #ifdef HAVE_BACKLIGHT_BRIGHTNESS case BACKLIGHT_BRIGHTNESS_CHANGED: backlight_brightness = (int)ev.data; backlight_hw_brightness((int)ev.data); #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) /* receive backlight brightness */ _backlight_fade_update_state((int)ev.data); #endif break; #endif /* HAVE_BACKLIGHT_BRIGHTNESS */ #ifdef HAVE_LCD_SLEEP case LCD_SLEEP: lcd_sleep(); break; #endif #ifdef HAVE_BUTTON_LIGHT case BUTTON_LIGHT_TMO_CHANGED: case BUTTON_LIGHT_ON: buttonlight_update_state(); break; case BUTTON_LIGHT_OFF: buttonlight_timer = 0; buttonlight_hw_off(); break; #ifdef HAVE_BUTTONLIGHT_BRIGHTNESS case BUTTON_LIGHT_BRIGHTNESS_CHANGED: buttonlight_hw_brightness((int)ev.data); break; #endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */ #endif /* HAVE_BUTTON_LIGHT */ case SYS_REBOOT: case SYS_POWEROFF: /* Lock backlight on poweroff so it doesn't */ locked = true; /* go off before power is actually cut. */ #if !defined(BOOTLOADER) #if defined(HAVE_LCD_SLEEP) /* bugfix ipod Video, 6G crashes if screen off at shutdown */ lcd_awake(); #endif if (!global_settings.show_shutdown_message) break; #endif /* else fall through */ #if CONFIG_CHARGING case SYS_CHARGER_CONNECTED: case SYS_CHARGER_DISCONNECTED: #endif backlight_update_state(); #ifdef HAVE_REMOTE_LCD remote_backlight_update_state(); #endif break; case SYS_TIMEOUT: backlight_handle_timeout(); break; } } /* end while */ } static void backlight_timeout_handler(void) { if(backlight_timer > 0) { backlight_timer -= BACKLIGHT_THREAD_TIMEOUT; if(backlight_timer <= 0) { do_backlight_off(); } } #ifdef HAVE_LCD_SLEEP else if(lcd_sleep_timer > 0) { lcd_sleep_timer -= BACKLIGHT_THREAD_TIMEOUT; if(lcd_sleep_timer <= 0) { lcd_sleep(); } } #endif /* HAVE_LCD_SLEEP */ #ifdef HAVE_REMOTE_LCD if(remote_backlight_timer > 0) { remote_backlight_timer -= BACKLIGHT_THREAD_TIMEOUT; if(remote_backlight_timer <= 0) { remote_backlight_hw_off(); } } #endif /* HAVE_REMOVE_LCD */ #ifdef HAVE_BUTTON_LIGHT if (buttonlight_timer > 0) { buttonlight_timer -= BACKLIGHT_THREAD_TIMEOUT; if (buttonlight_timer <= 0) { buttonlight_hw_off(); } } if (buttonlight_ignored_timer > 0) { buttonlight_ignored_timer -= BACKLIGHT_THREAD_TIMEOUT; if (buttonlight_ignored_timer <= 0) ignore_buttonlight_on = false; } #endif /* HAVE_BUTTON_LIGHT */ if (backlight_ignored_timer > 0) { backlight_ignored_timer -= BACKLIGHT_THREAD_TIMEOUT; if (backlight_ignored_timer <= 0) ignore_backlight_on = false; } } static void backlight_handle_timeout(void) { #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_SETTING) \ || (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_SW_HW_REG) if (backlight_fading_state != NOT_FADING) { if ((_backlight_fade_step(backlight_fading_state))) { /* finished fading */ #ifdef HAVE_LCD_SLEEP if (backlight_fading_state == FADING_DOWN) { /* start sleep countdown */ backlight_lcd_sleep_countdown(true); } #endif backlight_fading_state = NOT_FADING; } } else #endif /* CONFIG_BACKLIGHT_FADING */ backlight_timeout_handler(); } void backlight_init(void) { queue_init(&backlight_queue, true); if (backlight_hw_init()) { #if (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_PWM) /* If backlight is already on, don't fade in. */ bl_dim_target = BL_PWM_COUNT; bl_dim_fraction = (BL_PWM_COUNT<<16); #endif } /* Leave all lights as set by the bootloader here. The settings load will * call the appropriate backlight_set_*() functions, only changing light * status if necessary. */ #ifdef BACKLIGHT_DRIVER_CLOSE backlight_thread_id = #endif create_thread(backlight_thread, backlight_stack, sizeof(backlight_stack), 0, backlight_thread_name IF_PRIO(, PRIORITY_USER_INTERFACE) IF_COP(, CPU)); } #ifdef BACKLIGHT_DRIVER_CLOSE void backlight_close(void) { unsigned int thread = backlight_thread_id; /* Wait for thread to exit */ if (thread == 0) return; backlight_thread_id = 0; queue_post(&backlight_queue, BACKLIGHT_QUIT, 0); thread_wait(thread); } #endif /* BACKLIGHT_DRIVER_CLOSE */ void backlight_on(void) { if(!ignore_backlight_on) { queue_remove_from_head(&backlight_queue, BACKLIGHT_ON); queue_post(&backlight_queue, BACKLIGHT_ON, 0); } } void backlight_on_ignore(bool value, int timeout) { ignore_backlight_on = value; backlight_ignored_timer = timeout; } void backlight_off(void) { queue_post(&backlight_queue, BACKLIGHT_OFF, 0); } /* returns true when the backlight is on, * and optionally when it's set to always off. */ bool is_backlight_on(bool ignore_always_off) { int timeout = backlight_get_current_timeout(); return (backlight_timer > 0) /* countdown */ || (timeout == 0) /* always on */ || ((timeout < 0) && !ignore_always_off); } /* return value in ticks; 0 means always on, <0 means always off */ int backlight_get_current_timeout(void) { if ((backlight_on_button_hold != 0) #if (defined(HAVE_REMOTE_LCD_AS_MAIN) && defined(HAS_REMOTE_BUTTON_HOLD)) && remote_button_hold() #elif defined(HAS_BUTTON_HOLD) && button_hold() #else && is_keys_locked() #endif ) return (backlight_on_button_hold == 2) ? 0 : -1; /* always on or always off */ else #if CONFIG_CHARGING if (power_input_present()) return backlight_timeout_plugged; else #endif return backlight_timeout_normal; } void backlight_set_timeout(int value) { backlight_timeout_normal = HZ * value; queue_post(&backlight_queue, BACKLIGHT_TMO_CHANGED, 0); } #if CONFIG_CHARGING void backlight_set_timeout_plugged(int value) { backlight_timeout_plugged = HZ * value; queue_post(&backlight_queue, BACKLIGHT_TMO_CHANGED, 0); } #endif /* CONFIG_CHARGING */ #ifdef HAS_BUTTON_HOLD /* Hold button change event handler. */ void backlight_hold_changed(bool hold_button) { #ifndef BOOTLOADER skin_request_update_locked(hold_button); #endif if (!hold_button || (backlight_on_button_hold > 0)) { /* if unlocked or override in effect */ /*backlight_on(); REMOVED*/ queue_remove_from_head(&backlight_queue, BACKLIGHT_ON); queue_post(&backlight_queue, BACKLIGHT_ON, 0); } } #endif /* HAS_BUTTON_HOLD */ void backlight_set_on_button_hold(int index) { if ((unsigned)index >= 3) /* if given a weird value, use default */ index = 0; backlight_on_button_hold = index; queue_post(&backlight_queue, BACKLIGHT_TMO_CHANGED, 0); } #ifdef HAVE_LCD_SLEEP_SETTING void lcd_set_sleep_after_backlight_off(int timeout_seconds) { lcd_sleep_timeout = HZ * timeout_seconds; if (is_backlight_on(true)) /* Timer will be set when bl turns off or bl set to on. */ return; /* Backlight is Off */ if (lcd_sleep_timeout < 0) lcd_sleep_timer = 0; /* Never */ else if (lcd_sleep_timeout == 0) lcd_sleep_timer = 1; /* Always - sleep next tick */ else lcd_sleep_timer = lcd_sleep_timeout; /* other */ } #endif /* HAVE_LCD_SLEEP_SETTING */ #ifdef HAVE_REMOTE_LCD void remote_backlight_on(void) { queue_post(&backlight_queue, REMOTE_BACKLIGHT_ON, 0); } void remote_backlight_off(void) { queue_post(&backlight_queue, REMOTE_BACKLIGHT_OFF, 0); } void remote_backlight_set_timeout(int value) { remote_backlight_timeout_normal = HZ * value; queue_post(&backlight_queue, REMOTE_BACKLIGHT_TMO_CHANGED, 0); } #if CONFIG_CHARGING void remote_backlight_set_timeout_plugged(int value) { remote_backlight_timeout_plugged = HZ * value; queue_post(&backlight_queue, REMOTE_BACKLIGHT_TMO_CHANGED, 0); } #endif /* CONFIG_CHARGING */ #ifdef HAS_REMOTE_BUTTON_HOLD /* Remote hold button change event handler. */ void remote_backlight_hold_changed(bool rc_hold_button) { if (!rc_hold_button || (remote_backlight_on_button_hold > 0)) /* if unlocked or override */ remote_backlight_on(); } void remote_backlight_set_on_button_hold(int index) { if ((unsigned)index >= 3) /* if given a weird value, use default */ index = 0; remote_backlight_on_button_hold = index; queue_post(&backlight_queue, REMOTE_BACKLIGHT_TMO_CHANGED, 0); } #endif /* HAS_REMOTE_BUTTON_HOLD */ /* return value in ticks; 0 means always on, <0 means always off */ int remote_backlight_get_current_timeout(void) { #ifdef HAS_REMOTE_BUTTON_HOLD if (remote_button_hold() && (remote_backlight_on_button_hold != 0)) return (remote_backlight_on_button_hold == 2) ? 0 : -1; /* always on or always off */ else #endif #if CONFIG_CHARGING if (power_input_present()) return remote_backlight_timeout_plugged; else #endif return remote_backlight_timeout_normal; } /* returns true when the backlight is on, and * optionally when it's set to always off */ bool is_remote_backlight_on(bool ignore_always_off) { int timeout = remote_backlight_get_current_timeout(); return (remote_backlight_timer > 0) /* countdown */ || (timeout == 0) /* always on */ || ((timeout < 0) && !ignore_always_off); } #endif /* HAVE_REMOTE_LCD */ #ifdef HAVE_BACKLIGHT_BRIGHTNESS void backlight_set_brightness(int val) { if (val < MIN_BRIGHTNESS_SETTING) val = MIN_BRIGHTNESS_SETTING; else if (val > MAX_BRIGHTNESS_SETTING) val = MAX_BRIGHTNESS_SETTING; queue_post(&backlight_queue, BACKLIGHT_BRIGHTNESS_CHANGED, val); } #endif /* HAVE_BACKLIGHT_BRIGHTNESS */ #ifdef HAVE_BUTTONLIGHT_BRIGHTNESS void buttonlight_set_brightness(int val) { if (val < MIN_BRIGHTNESS_SETTING) val = MIN_BRIGHTNESS_SETTING; else if (val > MAX_BRIGHTNESS_SETTING) val = MAX_BRIGHTNESS_SETTING; queue_post(&backlight_queue, BUTTON_LIGHT_BRIGHTNESS_CHANGED, val); } #endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */ #else /* !defined(HAVE_BACKLIGHT) || !defined(BACKLIGHT_FULL_INIT) -- no backlight, empty dummy functions */ #if defined(HAVE_BACKLIGHT) && !defined(BACKLIGHT_FULL_INIT) void backlight_init(void) { (void)backlight_hw_init(); backlight_hw_on(); } #endif void backlight_on(void) {} void backlight_off(void) {} void backlight_set_timeout(int value) {(void)value;} bool is_backlight_on(bool ignore_always_off) { (void)ignore_always_off; return true; } #ifdef HAVE_REMOTE_LCD void remote_backlight_on(void) {} void remote_backlight_off(void) {} void remote_backlight_set_timeout(int value) {(void)value;} bool is_remote_backlight_on(bool ignore_always_off) { (void)ignore_always_off; return true; } #endif /* HAVE_REMOTE_LCD */ #ifdef HAVE_BACKLIGHT_BRIGHTNESS void backlight_set_brightness(int val) { (void)val; } #endif #ifdef HAVE_BUTTON_LIGHT void buttonlight_on(void) {} #ifdef HAVE_BUTTONLIGHT_BRIGHTNESS void buttonlight_set_brightness(int val) { (void)val; } #endif #endif /* HAVE_BUTTON_LIGHT */ #endif /* defined(HAVE_BACKLIGHT) && defined(BACKLIGHT_FULL_INIT) */ #ifndef HAVE_BUTTON_LIGHT /* Dummy Functions */ void buttonlight_on(void) {} void buttonlight_on_ignore(bool value, int timeout){(void)value;(void)timeout;} void buttonlight_off(void) {} void buttonlight_set_timeout(int value) {(void)value;} #endif /* ndef HAVE_BUTTON_LIGHT */ #ifndef HAVE_BUTTONLIGHT_BRIGHTNESS /* Dummy Functions */ void buttonlight_set_brightness(int val) { (void)val; } #endif /* ndef HAVE_BUTTONLIGHT_BRIGHTNESS */