ref: ec042e5f710d1da2d3d3c28f1d5593c96ee4ed1b
dir: /os/ipaq1110/io.h/
/*
* iPAQ 36xx-specific definitions
*/
/*
* GPIO assignment on iPAQ (see H3600 hardware spec).
* Following Plan 9, _i is input signal, _o is output, _io is both.
*/
enum {
GPIO_PWR_ON_i = 1<<0, /* power on/off (active low)*/
GPIO_UP_IRQ_i = 1<<1, /* microcontroller interrupt (active low) */
/* 2-9 are LCD 8-15 */
GPIO_CARD_IND1_i = 1<<10, /* PCMCIA/CF socket 1 card inserted (active low) */
GPIO_CARD_IRQ1_i = 1<<11, /* socket 1 IRQ (active low) */
GPIO_CLK_SET0_o = 1<<12, /* codec clock select 0 */
GPIO_CLK_SET1_o = 1<<13, /* codec clock select 1 */
GPIO_L3_SDA_io = 1<<14, /* L3 data to/from UDA1341 */
GPIO_L3_MODE_o = 1<<15, /* L3 mode to UDA1341 */
GPIO_L3_SCLK_o = 1<<16, /* L3 SCLK to UDA1341 */
GPIO_CARD_IND0_i = 1<<17, /* PCMCIA/CF socket 0 card inserted (active low) */
GPIO_KEY_ACT_i = 1<<18, /* joypad centre button (active low) */
GPIO_SYS_CLK_i = 1<<19, /* codec external clock */
GPIO_BAT_FAULT_i = 1<<20, /* battery fault (active high) */
GPIO_CARD_IRQ0_i = 1<<21, /* socket 0 IRQ (active low) */
GPIO_LOCK_i = 1<<22, /* expansion pack lock/unlock signal (active low) */
GPIO_COM_DCD_i = 1<<23, /* UART3 DCD from cradle (active high) */
GPIO_OPT_IRQ_i = 1<<24, /* expansion pack shared IRQ (all but PCMCIA/CF, active high) */
GPIO_COM_CTS_i = 1<<25, /* UART3 CTS (active high) */
GPIO_COM_RTS_o = 1<<26, /* UART3 RTS (active high) */
GPIO_OPT_IND_i = 1<<27, /* expansion pack inserted (active low) */
};
/* special EGPIO register, write only*/
enum {
EGPIO_VPEN = 1<<0, /* flash write enable */
EGPIO_CARD_RESET = 1<<1, /* CF/PCMCIA reset signal */
EGPIO_OPT_RESET = 1<<2, /* expansion pack reset for other than CF/PCMCIA */
EGPIO_CODEC_RESET = 1<<3, /* codec reset signal (active low) */
EGPIO_OPT_PWR_ON = 1<<4, /* enable power to NVRAM in expansion pack */
EGPIO_OPT_ON = 1<<5, /* enable full power to expansion pack */
EGPIO_LCD_ON = 1<<6, /* enable LCD 3.3v supply */
EGPIO_RS232_ON = 1<<7, /* enable RS232 transceiver */
EGPIO_LCD_PCI = 1<<8, /* enable power to LCD control IC */
EGPIO_IR_ON = 1<<9, /* enable power to IR module */
EGPIO_AUD_ON = 1<<10, /* enable power to audio amp */
EGPIO_AUD_PWR_ON = 1<<11, /* enable power to all other audio circuitry */
EGPIO_QMUTE = 1<<12, /* mute audio codec (nb: wastes power if set when audio not powered) */
EGPIO_IR_FSEL = 1<<13, /* FIR mode selection: 1=FIR, 0=SIR */
EGPIO_LCD_5V_ON = 1<<14, /* enable 5V to LCD module */
EGPIO_LVDD_ON = 1<<15, /* enable 9V and -6.5V to LCD module */
};
/* board-dependent GPIO pin assignment for l3gpio.c */
enum {
L3Data = GPIO_L3_SDA_io,
L3Mode = GPIO_L3_MODE_o,
L3Clock = GPIO_L3_SCLK_o,
};
#include "../sa1110/sa1110io.h"