/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 by Daniel Stenberg * * iPod driver based on code from the ipodlinux project - http://ipodlinux.org * Adapted for Rockbox in December 2005 * Original file: linux/arch/armnommu/mach-ipod/keyboard.c * Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org) * * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ /* * Rockbox button functions */ #include #include "config.h" #include "cpu.h" #include "system.h" #include "button.h" #include "kernel.h" #include "backlight.h" #include "adc.h" #include "serial.h" #include "power.h" #include "system.h" #include "powermgmt.h" #if (CONFIG_KEYPAD == IRIVER_H100_PAD) \ || (CONFIG_KEYPAD == IRIVER_H300_PAD) #include "lcd-remote.h" #endif struct event_queue button_queue; static long lastbtn; /* Last valid button status */ static long last_read; /* Last button status, for debouncing/filtering */ #ifdef HAVE_LCD_BITMAP static bool flipped; /* buttons can be flipped to match the LCD flip */ #endif /* how often we check to see if a button is pressed */ #define POLL_FREQUENCY HZ/100 /* how long until repeat kicks in */ #define REPEAT_START 30 /* the speed repeat starts at */ #define REPEAT_INTERVAL_START 16 /* speed repeat finishes at */ #define REPEAT_INTERVAL_FINISH 5 /* the power-off button and number of repeated keys before shutting off */ #if (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) ||\ (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD) #define POWEROFF_BUTTON BUTTON_PLAY #define POWEROFF_COUNT 40 #elif (CONFIG_KEYPAD == IAUDIO_X5_PAD) #define POWEROFF_BUTTON BUTTON_POWER #define POWEROFF_COUNT 10 #else #define POWEROFF_BUTTON BUTTON_OFF #define POWEROFF_COUNT 10 #endif static int button_read(void); #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) static bool remote_button_hold_only(void); #endif #if CONFIG_KEYPAD == IPOD_4G_PAD /* Variable to use for setting button status in interrupt handler */ int int_btn = BUTTON_NONE; #endif #if (CONFIG_KEYPAD == IPOD_4G_PAD) && (!defined(APPLE_IPODMINI)) static void opto_i2c_init(void) { int i, curr_value; /* wait for value to settle */ i = 1000; curr_value = (inl(0x7000c104) << 16) >> 24; while (i > 0) { int new_value = (inl(0x7000c104) << 16) >> 24; if (new_value != curr_value) { i = 10000; curr_value = new_value; } else { i--; } } GPIOB_OUTPUT_VAL |= 0x10; DEV_EN |= 0x10000; DEV_RS |= 0x10000; udelay(5); DEV_RS &= ~0x10000; /* finish reset */ outl(0xffffffff, 0x7000c120); outl(0xffffffff, 0x7000c124); outl(0xc00a1f00, 0x7000c100); outl(0x1000000, 0x7000c104); } static int ipod_4g_button_read(void) { /* The ipodlinux source had a udelay(250) here, but testing has shown that it is not needed - tested on Nano, Color/Photo and Video. */ /* udelay(250);*/ int btn = BUTTON_NONE; unsigned reg = 0x7000c104; if ((inl(0x7000c104) & 0x4000000) != 0) { unsigned status = inl(0x7000c140); reg = reg + 0x3C; /* 0x7000c140 */ outl(0x0, 0x7000c140); /* clear interrupt status? */ if ((status & 0x800000ff) == 0x8000001a) { static int clickwheel_down IDATA_ATTR = 0; static int old_wheel_value IDATA_ATTR = -1; if (status & 0x100) btn |= BUTTON_SELECT; if (status & 0x200) btn |= BUTTON_RIGHT; if (status & 0x400) btn |= BUTTON_LEFT; if (status & 0x800) btn |= BUTTON_PLAY; if (status & 0x1000) btn |= BUTTON_MENU; if (status & 0x40000000) { /* NB: highest wheel = 0x5F, clockwise increases */ int new_wheel_value = ((status << 9) >> 25) & 0xff; /* scroll wheel down */ clickwheel_down = 1; backlight_on(); if (old_wheel_value >= 0) { int wheel_keycode = BUTTON_NONE; int wheel_delta; if (old_wheel_value > new_wheel_value + 48) { /* Forward wrapping case */ wheel_delta = new_wheel_value + 96 - old_wheel_value; } else { wheel_delta = new_wheel_value - old_wheel_value; if (wheel_delta > 48) wheel_delta -= 96; /* Backward wrapping case */ } /* TODO: these thresholds should most definitely be settings, and we're probably going to want a more advanced scheme than this anyway. */ if (wheel_delta > 4) { wheel_keycode = BUTTON_SCROLL_FWD; old_wheel_value = new_wheel_value; } else if (wheel_delta < -4) { wheel_keycode = BUTTON_SCROLL_BACK; old_wheel_value = new_wheel_value; } if (wheel_keycode != BUTTON_NONE) { /* When you use the clickwheel, the queue should usually have no other events in it, so we check if it's empty to see whether pending clickwheel events have been handled. This way, Rockbox will stop responding to the clickwheel if it doesn't have time to handle the events immediately. Can also implement queue_peek() to do this in a cleaner way. */ if (queue_empty(&button_queue)) queue_post(&button_queue, wheel_keycode, NULL); } } else { old_wheel_value = new_wheel_value; } } else if (clickwheel_down) { /* scroll wheel up */ old_wheel_value = -1; clickwheel_down = 0; } } /* Don't know why this should be needed, let me know if you do. else if ((status & 0x800000FF) == 0x8000003A) { wheel_value = status & 0x800000FF; } */ else if (status == 0xffffffff) { opto_i2c_init(); } } if ((inl(reg) & 0x8000000) != 0) { outl(0xffffffff, 0x7000c120); outl(0xffffffff, 0x7000c124); } return btn; } void ipod_4g_button_int(void) { CPU_HI_INT_CLR = I2C_MASK; /* The following delay was 250 in the ipodlinux source, but 50 seems to work fine - tested on Nano, Color/Photo and Video. */ udelay(50); outl(0x0, 0x7000c140); int_btn = ipod_4g_button_read(); outl(inl(0x7000c104) | 0xC000000, 0x7000c104); outl(0x400a1f00, 0x7000c100); GPIOB_OUTPUT_VAL |= 0x10; CPU_INT_EN = 0x40000000; CPU_HI_INT_EN = I2C_MASK; } #endif #if (CONFIG_KEYPAD == IPOD_3G_PAD) || (defined(APPLE_IPODMINI)) /** * * */ void handle_scroll_wheel(int new_scroll, int was_hold, int reverse) { int wheel_keycode = BUTTON_NONE; static int prev_scroll = -1; static int scroll_state[4][4] = { {0, 1, -1, 0}, {-1, 0, 0, 1}, {1, 0, 0, -1}, {0, -1, 1, 0} }; if ( prev_scroll == -1 ) { prev_scroll = new_scroll; } else if (!was_hold) { switch (scroll_state[prev_scroll][new_scroll]) { case 1: if (reverse) { /* 'r' keypress */ wheel_keycode = BUTTON_SCROLL_FWD; } else { /* 'l' keypress */ wheel_keycode = BUTTON_SCROLL_BACK; } break; case -1: if (reverse) { /* 'l' keypress */ wheel_keycode = BUTTON_SCROLL_BACK; } else { /* 'r' keypress */ wheel_keycode = BUTTON_SCROLL_FWD; } break; default: /* only happens if we get out of sync */ break; } } if (wheel_keycode != BUTTON_NONE) queue_post(&button_queue, wheel_keycode, NULL); prev_scroll = new_scroll; } #endif #if (CONFIG_KEYPAD == IPOD_4G_PAD) && (defined(APPLE_IPODMINI)) static int ipod_mini_button_read(void) { unsigned char source, wheel_source, state, wheel_state; int btn = BUTTON_NONE; /* * we need some delay for mini, cause hold generates several interrupts, * some of them delayed */ udelay(250); /* get source(s) of interupt */ source = GPIOA_INT_STAT & 0x3f; wheel_source = GPIOB_INT_STAT & 0x30; if (source == 0 && wheel_source == 0) { return BUTTON_NONE; /* not for us */ } /* get current keypad & wheel status */ state = GPIOA_INPUT_VAL & 0x3f; wheel_state = GPIOB_INPUT_VAL & 0x30; /* toggle interrupt level */ GPIOA_INT_LEV = ~state; GPIOB_INT_LEV = ~wheel_state; if (source & 0x1) btn |= BUTTON_SELECT; if (source & 0x2) btn |= BUTTON_MENU; if (source & 0x4) btn |= BUTTON_PLAY; if (source & 0x8) btn |= BUTTON_RIGHT; if (source & 0x10) btn |= BUTTON_LEFT; if (wheel_source & 0x30) { handle_scroll_wheel((wheel_state & 0x30) >> 4, 0, 1); } /* ack any active interrupts */ if (source) GPIOA_INT_CLR = source; if (wheel_source) GPIOB_INT_CLR = wheel_source; return btn; } void ipod_mini_button_int(void) { CPU_HI_INT_CLR = GPIO_MASK; int_btn = ipod_mini_button_read(); //CPU_INT_EN = 0x40000000; CPU_HI_INT_EN = GPIO_MASK; } #endif #if CONFIG_KEYPAD == IPOD_3G_PAD static int ipod_3g_button_read(void) { unsigned char source, state; static int was_hold = 0; int btn = BUTTON_NONE; /* * we need some delay for g3, cause hold generates several interrupts, * some of them delayed */ udelay(250); /* get source of interupts */ source = GPIOA_INT_STAT; /* get current keypad status */ state = GPIOA_INPUT_VAL; GPIOA_INT_LEV = ~state; if (was_hold && source == 0x40 && state == 0xbf) { /* ack any active interrupts */ GPIOA_INT_CLR = source; return BUTTON_NONE; } was_hold = 0; if ((state & 0x20) == 0) { /* 3g hold switch is active low */ btn |= BUTTON_HOLD; was_hold = 1; /* hold switch on 3g causes all outputs to go low */ /* we shouldn't interpret these as key presses */ GPIOA_INT_CLR = source; return BUTTON_NONE; } if ((state & 0x1) == 0) { btn |= BUTTON_RIGHT; } if ((state & 0x2) == 0) { btn |= BUTTON_SELECT; } if ((state & 0x4) == 0) { btn |= BUTTON_PLAY; } if ((state & 0x8) == 0) { btn |= BUTTON_LEFT; } if ((state & 0x10) == 0) { btn |= BUTTON_MENU; } if (source & 0xc0) { handle_scroll_wheel((state & 0xc0) >> 6, was_hold, 0); } /* ack any active interrupts */ GPIOA_INT_CLR = source; return btn; } #endif static void button_tick(void) { static int tick = 0; static int count = 0; static int repeat_speed = REPEAT_INTERVAL_START; static int repeat_count = 0; static bool repeat = false; static bool post = false; int diff; int btn; #if (CONFIG_KEYPAD == PLAYER_PAD) || (CONFIG_KEYPAD == RECORDER_PAD) /* Post events for the remote control */ btn = remote_control_rx(); if(btn) { queue_post(&button_queue, btn, NULL); } #endif /* only poll every X ticks */ if ( ++tick >= POLL_FREQUENCY ) { btn = button_read(); /* Find out if a key has been released */ diff = btn ^ lastbtn; if(diff && (btn & diff) == 0) { queue_post(&button_queue, BUTTON_REL | diff, NULL); } else { if ( btn ) { /* normal keypress */ if ( btn != lastbtn ) { post = true; repeat = false; repeat_speed = REPEAT_INTERVAL_START; } else /* repeat? */ { if ( repeat ) { if (!post) count--; if (count == 0) { post = true; /* yes we have repeat */ repeat_speed--; if (repeat_speed < REPEAT_INTERVAL_FINISH) repeat_speed = REPEAT_INTERVAL_FINISH; count = repeat_speed; repeat_count++; /* Send a SYS_POWEROFF event if we have a device which doesn't shut down easily with the OFF key */ #ifdef HAVE_SW_POWEROFF if ((btn == POWEROFF_BUTTON #ifdef BUTTON_RC_STOP || btn == BUTTON_RC_STOP) && #else ) && #endif #if defined(HAVE_CHARGING) && !defined(HAVE_POWEROFF_WHILE_CHARGING) !charger_inserted() && #endif repeat_count > POWEROFF_COUNT) { /* Tell the main thread that it's time to power off */ sys_poweroff(); /* Safety net for players without hardware poweroff */ if(repeat_count > POWEROFF_COUNT * 10) power_off(); } #endif } } else { if (count++ > REPEAT_START) { post = true; repeat = true; repeat_count = 0; /* initial repeat */ count = REPEAT_INTERVAL_START; } } } if ( post ) { if (repeat) { if (queue_empty(&button_queue)) { queue_post( &button_queue, BUTTON_REPEAT | btn, NULL); post = false; } } else { queue_post(&button_queue, btn, NULL); post = false; } #ifdef HAVE_REMOTE_LCD if(btn & BUTTON_REMOTE) remote_backlight_on(); else #endif backlight_on(); reset_poweroff_timer(); } } else { repeat = false; count = 0; } } lastbtn = btn & ~(BUTTON_REL | BUTTON_REPEAT); tick = 0; } } long button_get(bool block) { struct event ev; if ( block || !queue_empty(&button_queue) ) { queue_wait(&button_queue, &ev); return ev.id; } return BUTTON_NONE; } long button_get_w_tmo(int ticks) { struct event ev; queue_wait_w_tmo(&button_queue, &ev, ticks); return (ev.id != SYS_TIMEOUT)? ev.id: BUTTON_NONE; } void button_init(void) { /* hardware inits */ #if CONFIG_KEYPAD == IRIVER_H100_PAD /* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs */ GPIO1_FUNCTION |= 0x00100062; GPIO1_ENABLE &= ~0x00100060; #elif CONFIG_KEYPAD == IRIVER_H300_PAD /* Set GPIO9 and GPIO15 as general purpose inputs */ GPIO_ENABLE &= ~0x00008200; GPIO_FUNCTION |= 0x00008200; /* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs */ GPIO1_ENABLE &= ~0x00100060; GPIO1_FUNCTION |= 0x00100062; #elif CONFIG_KEYPAD == IAUDIO_X5_PAD /* Power, Remote Play & Hold switch */ GPIO_FUNCTION |= 0x0e000000; GPIO_ENABLE &= ~0x0e000000; #elif CONFIG_KEYPAD == RECORDER_PAD /* Set PB4 and PB8 as input pins */ PBCR1 &= 0xfffc; /* PB8MD = 00 */ PBCR2 &= 0xfcff; /* PB4MD = 00 */ PBIOR &= ~0x0110; /* Inputs */ #elif CONFIG_KEYPAD == PLAYER_PAD /* set PA5 and PA11 as input pins */ PACR1 &= 0xff3f; /* PA11MD = 00 */ PACR2 &= 0xfbff; /* PA5MD = 0 */ PAIOR &= ~0x0820; /* Inputs */ #elif CONFIG_KEYPAD == ONDIO_PAD /* nothing to initialize here */ #elif CONFIG_KEYPAD == GMINI100_PAD /* nothing to initialize here */ #elif (CONFIG_KEYPAD == IPOD_4G_PAD) && (!defined(APPLE_IPODMINI)) opto_i2c_init(); /* hold button - enable as input */ GPIOA_ENABLE |= 0x20; GPIOA_OUTPUT_EN &= ~0x20; /* hold button - set interrupt levels */ GPIOA_INT_LEV = ~(GPIOA_INPUT_VAL & 0x20); GPIOA_INT_CLR = GPIOA_INT_STAT & 0x20; /* enable interrupts */ GPIOA_INT_EN = 0x20; /* unmask interrupt */ CPU_INT_EN = 0x40000000; CPU_HI_INT_EN = I2C_MASK; #elif (CONFIG_KEYPAD == IPOD_4G_PAD) && (defined(APPLE_IPODMINI)) /* iPod Mini G1 */ /* buttons - enable as input */ GPIOA_ENABLE |= 0x3f; GPIOA_OUTPUT_EN &= ~0x3f; /* scroll wheel- enable as input */ GPIOB_ENABLE |= 0x30; /* port b 4,5 */ GPIOB_OUTPUT_EN &= ~0x30; /* port b 4,5 */ /* buttons - set interrupt levels */ GPIOA_INT_LEV = ~(GPIOA_INPUT_VAL & 0x3f); GPIOA_INT_CLR = GPIOA_INT_STAT & 0x3f; /* scroll wheel - set interrupt levels */ GPIOB_INT_LEV = ~(GPIOB_INPUT_VAL & 0x3f); GPIOB_INT_CLR = GPIOB_INT_STAT & 0x3f; /* enable interrupts */ GPIOA_INT_EN = 0x3f; GPIOB_INT_EN = 0x30; /* unmask interrupt */ CPU_INT_EN = 0x40000000; CPU_HI_INT_EN = GPIO_MASK; #elif CONFIG_KEYPAD == IPOD_3G_PAD GPIOA_INT_LEV = ~GPIOA_INPUT_VAL; GPIOA_INT_CLR = GPIOA_INT_STAT; GPIOA_INT_EN = 0xff; #endif /* CONFIG_KEYPAD */ queue_init(&button_queue); button_read(); lastbtn = button_read(); tick_add_task(button_tick); reset_poweroff_timer(); #ifdef HAVE_LCD_BITMAP flipped = false; #endif } #ifdef HAVE_LCD_BITMAP /* only bitmap displays can be flipped */ #if (CONFIG_KEYPAD != IPOD_3G_PAD) && (CONFIG_KEYPAD != IPOD_4G_PAD) /* * helper function to swap UP/DOWN, LEFT/RIGHT (and F1/F3 for Recorder) */ static int button_flip(int button) { int newbutton; newbutton = button & ~(BUTTON_UP | BUTTON_DOWN | BUTTON_LEFT | BUTTON_RIGHT #if CONFIG_KEYPAD == RECORDER_PAD | BUTTON_F1 | BUTTON_F3 #endif ); if (button & BUTTON_UP) newbutton |= BUTTON_DOWN; if (button & BUTTON_DOWN) newbutton |= BUTTON_UP; if (button & BUTTON_LEFT) newbutton |= BUTTON_RIGHT; if (button & BUTTON_RIGHT) newbutton |= BUTTON_LEFT; #if CONFIG_KEYPAD == RECORDER_PAD if (button & BUTTON_F1) newbutton |= BUTTON_F3; if (button & BUTTON_F3) newbutton |= BUTTON_F1; #endif return newbutton; } #else /* We don't flip the iPod's keypad yet*/ #define button_flip(x) (x) #endif /* * set the flip attribute * better only call this when the queue is empty */ void button_set_flip(bool flip) { if (flip != flipped) /* not the current setting */ { /* avoid race condition with the button_tick() */ int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL); lastbtn = button_flip(lastbtn); flipped = flip; set_irq_level(oldlevel); } } #endif /* HAVE_LCD_BITMAP */ /* Archos hardware button hookup ============================= Recorder / Recorder FM/V2 ------------------------- F1, F2, F3, UP: connected to AN4 through a resistor network DOWN, PLAY, LEFT, RIGHT: likewise connected to AN5 The voltage on AN4/ AN5 depends on which keys (or key combo) is pressed FM/V2 has PLAY and RIGHT switched compared to plain recorder ON: PB8, low active (plain recorder) / AN3, low active (fm/v2) OFF: PB4, low active (plain recorder) / AN2, high active (fm/v2) Player ------ LEFT: AN0 MENU: AN1 RIGHT: AN2 PLAY: AN3 STOP: PA11 ON: PA5 All buttons are low active Ondio ----- LEFT, RIGHT, UP, DOWN: connected to AN4 through a resistor network The voltage on AN4 depends on which keys (or key combo) is pressed OPTION: AN2, high active (assigned as MENU) ON/OFF: AN3, low active (assigned as OFF) */ #if CONFIG_KEYPAD == RECORDER_PAD #ifdef HAVE_FMADC /* FM Recorder super-special levels */ #define LEVEL1 150 #define LEVEL2 385 #define LEVEL3 545 #define LEVEL4 700 #define ROW2_BUTTON1 BUTTON_PLAY #define ROW2_BUTTON3 BUTTON_RIGHT #else /* plain bog standard Recorder levels */ #define LEVEL1 250 #define LEVEL2 500 #define LEVEL3 700 #define LEVEL4 900 #define ROW2_BUTTON1 BUTTON_RIGHT #define ROW2_BUTTON3 BUTTON_PLAY #endif /* HAVE_FMADC */ #elif CONFIG_KEYPAD == ONDIO_PAD /* Ondio levels */ #define LEVEL1 165 #define LEVEL2 415 #define LEVEL3 585 #define LEVEL4 755 #endif /* CONFIG_KEYPAD */ /* * Get button pressed from hardware */ static int button_read(void) { int btn = BUTTON_NONE; int retval; int data; #if (CONFIG_KEYPAD == IRIVER_H100_PAD)\ || (CONFIG_KEYPAD == IRIVER_H300_PAD) static bool hold_button = false; static bool remote_hold_button = false; /* light handling */ if (hold_button && !button_hold()) { backlight_on(); } if (remote_hold_button && !remote_button_hold_only()) { remote_backlight_on(); } hold_button = button_hold(); remote_hold_button = remote_button_hold_only(); /* normal buttons */ if (!hold_button) { data = adc_scan(ADC_BUTTONS); #if CONFIG_KEYPAD == IRIVER_H100_PAD if (data < 0x80) if (data < 0x30) if (data < 0x18) btn = BUTTON_SELECT; else btn = BUTTON_UP; else if (data < 0x50) btn = BUTTON_LEFT; else btn = BUTTON_DOWN; else if (data < 0xb0) if (data < 0xa0) btn = BUTTON_RIGHT; else btn = BUTTON_OFF; else if (data < 0xd0) btn = BUTTON_MODE; else if (data < 0xf0) btn = BUTTON_REC; #else /* H300 */ if (data < 0x54) if (data < 0x30) if (data < 0x10) btn = BUTTON_SELECT; else btn = BUTTON_UP; else btn = BUTTON_LEFT; else if (data < 0x98) if (data < 0x76) btn = BUTTON_DOWN; else btn = BUTTON_RIGHT; else if(data < 0xba) btn = BUTTON_OFF; #endif } /* remote buttons */ if (!remote_hold_button) { data = adc_scan(ADC_REMOTE); switch(remote_type()) { case REMOTETYPE_H100_LCD: if (data < 0x73) if (data < 0x3f) if (data < 0x25) if(data < 0x0c) btn = BUTTON_RC_STOP; else btn = BUTTON_RC_VOL_DOWN; else btn = BUTTON_RC_MODE; else if (data < 0x5a) btn = BUTTON_RC_VOL_UP; else btn = BUTTON_RC_BITRATE; else if (data < 0xa8) if (data < 0x8c) btn = BUTTON_RC_REC; else btn = BUTTON_RC_SOURCE; else if (data < 0xdf) if(data < 0xc5) btn = BUTTON_RC_FF; else btn = BUTTON_RC_MENU; else if (data < 0xf5) btn = BUTTON_RC_REW; break; case REMOTETYPE_H300_LCD: if (data < 0x73) if (data < 0x42) if (data < 0x27) if(data < 0x0c) btn = BUTTON_RC_VOL_DOWN; else btn = BUTTON_RC_FF; else btn = BUTTON_RC_STOP; else if (data < 0x5b) btn = BUTTON_RC_MODE; else btn = BUTTON_RC_REC; else if (data < 0xab) if (data < 0x8e) btn = BUTTON_RC_ON; else btn = BUTTON_RC_BITRATE; else if (data < 0xde) if(data < 0xc5) btn = BUTTON_RC_SOURCE; else btn = BUTTON_RC_VOL_UP; else if (data < 0xf5) btn = BUTTON_RC_REW; break; case REMOTETYPE_H300_NONLCD: if(data<0x7d) if(data<0x25) btn = BUTTON_RC_FF; else btn = BUTTON_RC_REW; else if(data<0xd5) btn = BUTTON_RC_VOL_DOWN; else if(data<0xf1) /* 0xff no button pressed */ btn = BUTTON_RC_VOL_UP; break; } } /* special buttons */ #if CONFIG_KEYPAD == IRIVER_H300_PAD if (!hold_button) { data = GPIO_READ; if ((data & 0x0200) == 0) btn |= BUTTON_MODE; if ((data & 0x8000) == 0) btn |= BUTTON_REC; } #endif data = GPIO1_READ; if (!hold_button && ((data & 0x20) == 0)) btn |= BUTTON_ON; if (!remote_hold_button && ((data & 0x40) == 0)) switch(remote_type()) { case REMOTETYPE_H100_LCD: case REMOTETYPE_H300_NONLCD: btn |= BUTTON_RC_ON; break; case REMOTETYPE_H300_LCD: btn |= BUTTON_RC_MENU; break; } #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD static bool hold_button = false; /* light handling */ if (hold_button && !button_hold()) { backlight_on(); } hold_button = button_hold(); /* normal buttons */ if (!button_hold()) { data = adc_read(ADC_BUTTONS); if (data < 0x151) if (data < 0xc7) if (data < 0x41) btn = BUTTON_LEFT; else btn = BUTTON_RIGHT; else btn = BUTTON_SELECT; else if (data < 0x268) if (data < 0x1d7) btn = BUTTON_UP; else btn = BUTTON_DOWN; else if (data < 0x2f9) btn = BUTTON_EQ; else if (data < 0x35c) btn = BUTTON_MODE; } if (!button_hold() && (adc_read(ADC_BUTTON_PLAY) < 0x64)) btn |= BUTTON_PLAY; #elif CONFIG_KEYPAD == RECORDER_PAD #ifdef HAVE_FMADC if ( adc_read(ADC_BUTTON_ON) < 512 ) btn |= BUTTON_ON; if ( adc_read(ADC_BUTTON_OFF) > 512 ) btn |= BUTTON_OFF; #else /* check port B pins for ON and OFF */ data = PBDR; if ((data & 0x0100) == 0) btn |= BUTTON_ON; if ((data & 0x0010) == 0) btn |= BUTTON_OFF; #endif /* check F1..F3 and UP */ data = adc_read(ADC_BUTTON_ROW1); if (data >= LEVEL1) { if (data >= LEVEL3) if (data >= LEVEL4) btn |= BUTTON_F3; else btn |= BUTTON_UP; else if (data >= LEVEL2) btn |= BUTTON_F2; else btn |= BUTTON_F1; } /* Some units have mushy keypads, so pressing UP also activates the Left/Right buttons. Let's combat that by skipping the AN5 checks when UP is pressed. */ if(!(btn & BUTTON_UP)) { /* check DOWN, PLAY, LEFT, RIGHT */ data = adc_read(ADC_BUTTON_ROW2); if (data >= LEVEL1) { if (data >= LEVEL3) if (data >= LEVEL4) btn |= BUTTON_DOWN; else btn |= ROW2_BUTTON3; else if (data >= LEVEL2) btn |= BUTTON_LEFT; else btn |= ROW2_BUTTON1; } } #elif CONFIG_KEYPAD == PLAYER_PAD /* buttons are active low */ if (adc_read(0) < 0x180) btn |= BUTTON_LEFT; if (adc_read(1) < 0x180) btn |= BUTTON_MENU; if(adc_read(2) < 0x180) btn |= BUTTON_RIGHT; if(adc_read(3) < 0x180) btn |= BUTTON_PLAY; /* check port A pins for ON and STOP */ data = PADR; if ( !(data & 0x0020) ) btn |= BUTTON_ON; if ( !(data & 0x0800) ) btn |= BUTTON_STOP; #elif CONFIG_KEYPAD == ONDIO_PAD if(adc_read(ADC_BUTTON_OPTION) > 0x200) /* active high */ btn |= BUTTON_MENU; if(adc_read(ADC_BUTTON_ONOFF) < 0x120) /* active low */ btn |= BUTTON_OFF; /* Check the 4 direction keys */ data = adc_read(ADC_BUTTON_ROW1); if (data >= LEVEL1) { if (data >= LEVEL3) if (data >= LEVEL4) btn |= BUTTON_LEFT; else btn |= BUTTON_RIGHT; else if (data >= LEVEL2) btn |= BUTTON_UP; else btn |= BUTTON_DOWN; } #elif CONFIG_KEYPAD == GMINI100_PAD if (adc_read(7) < 0xE3) btn |= BUTTON_LEFT; else if (adc_read(7) < 0x1c5) btn |= BUTTON_DOWN; else if (adc_read(7) < 0x2a2) btn |= BUTTON_RIGHT; else if (adc_read(7) < 0x38a) btn |= BUTTON_UP; if (adc_read(6) < 0x233) btn |= BUTTON_OFF; else if (adc_read(6) < 0x288) btn |= BUTTON_PLAY; else if (adc_read(6) < 0x355) btn |= BUTTON_MENU; data = P7; if (data & 0x01) btn |= BUTTON_ON; #elif (CONFIG_KEYPAD == IPOD_4G_PAD) (void)data; /* The int_btn variable is set in the button interrupt handler */ btn = int_btn; #elif (CONFIG_KEYPAD == IPOD_3G_PAD) (void)data; btn = ipod_3g_button_read(); #elif (CONFIG_KEYPAD == IAUDIO_X5_PAD) static bool hold_button = false; static bool remote_hold_button = false; hold_button = button_hold(); remote_hold_button = remote_button_hold(); /* normal buttons */ if (!hold_button) { data = adc_scan(ADC_BUTTONS); if(data < 0x7c) if(data < 0x42) btn = BUTTON_LEFT; else if(data < 0x62) btn = BUTTON_RIGHT; else btn = BUTTON_SELECT; else if(data < 0xb6) if(data < 0x98) btn = BUTTON_PLAY; else btn = BUTTON_REC; else if(data < 0xd3) btn = BUTTON_DOWN; else if(data < 0xf0) btn = BUTTON_UP; } /* remote buttons */ data = adc_scan(ADC_REMOTE); if(data < 0x17) remote_hold_button = true; if(!remote_hold_button) { if(data < 0x7a) if(data < 0x41) btn = BUTTON_RC_REW; else if(data < 0x61) btn = BUTTON_RC_FF; else btn = BUTTON_RC_MODE; else if(data < 0xb4) if(data < 0x96) btn = BUTTON_RC_REC; else btn = BUTTON_RC_MENU; else if(data < 0xd1) btn = BUTTON_RC_VOL_UP; else if(data < 0xee) btn = BUTTON_RC_VOL_DOWN; } data = GPIO_READ; if (!(data & 0x04000000)) btn |= BUTTON_POWER; if (!(data & 0x02000000)) btn |= BUTTON_RC_PLAY; #endif /* CONFIG_KEYPAD */ #ifdef HAVE_LCD_BITMAP if (btn && flipped) btn = button_flip(btn); /* swap upside down */ #endif /* Filter the button status. It is only accepted if we get the same status twice in a row. */ if (btn != last_read) retval = lastbtn; else retval = btn; last_read = btn; return retval; } #if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) bool button_hold(void) { return (GPIOA_INPUT_VAL & 0x20)?false:true; } #endif #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) bool button_hold(void) { return (GPIO1_READ & 0x00000002)?true:false; } static bool remote_button_hold_only(void) { if(remote_type() == REMOTETYPE_H300_NONLCD) return adc_scan(ADC_REMOTE)<0x0d; /* hold should be 0x00 */ else return (GPIO1_READ & 0x00100000)?true:false; } /* returns true only if there is remote present */ bool remote_button_hold(void) { /* H300's NON-LCD remote doesn't set the "remote present" bit */ if(remote_type() == REMOTETYPE_H300_NONLCD) return remote_button_hold_only(); else return ((GPIO_READ & 0x40000000) == 0)?remote_button_hold_only():false; } #endif #if CONFIG_KEYPAD == IRIVER_IFP7XX_PAD bool button_hold(void) { return (GPIO5_READ & 4) ? false : true; } #endif #if (CONFIG_KEYPAD == IAUDIO_X5_PAD) bool button_hold(void) { return (GPIO_READ & 0x08000000)?false:true; } bool remote_button_hold(void) { return false; /* TODO X5 */ } #endif int button_status(void) { return lastbtn; } void button_clear_queue(void) { queue_clear(&button_queue); }