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palmtx.h

/*
 * GPIOs and interrupts for Palm T|X Handheld Computer
 *
 * Based on palmld-gpio.h by Alex Osborne
 *
 * Authors: Marek Vasut <marek.vasut@gmail.com>
 *          Cristiano P. <cristianop@users.sourceforge.net>
 *          Jan Herman <2hp@seznam.cz>
 *
 * 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.
 *
 */

#ifndef _INCLUDE_PALMTX_H_
#define _INCLUDE_PALMTX_H_

/** HERE ARE GPIOs **/

/* GPIOs */
#define GPIO_NR_PALMTX_GPIO_RESET         1

#define GPIO_NR_PALMTX_POWER_DETECT       12 /* 90 */
#define GPIO_NR_PALMTX_HOTSYNC_BUTTON_N         10
#define GPIO_NR_PALMTX_EARPHONE_DETECT          107

/* SD/MMC */
#define GPIO_NR_PALMTX_SD_DETECT_N        14
#define GPIO_NR_PALMTX_SD_POWER                 114 /* probably */
#define GPIO_NR_PALMTX_SD_READONLY        115 /* probably */

/* TOUCHSCREEN */
#define GPIO_NR_PALMTX_WM9712_IRQ         27

/* IRDA -  disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
#define GPIO_NR_PALMTX_IR_DISABLE         40

/* USB */
#define GPIO_NR_PALMTX_USB_DETECT_N       13
#define GPIO_NR_PALMTX_USB_POWER          95
#define GPIO_NR_PALMTX_USB_PULLUP         93

/* LCD/BACKLIGHT */
#define GPIO_NR_PALMTX_BL_POWER                 84
#define GPIO_NR_PALMTX_LCD_POWER          96

/* LCD BORDER */
#define GPIO_NR_PALMTX_BORDER_SWITCH            98
#define GPIO_NR_PALMTX_BORDER_SELECT            22

/* BLUETOOTH */
#define GPIO_NR_PALMTX_BT_POWER                 17
#define GPIO_NR_PALMTX_BT_RESET                 83

/* PCMCIA (WiFi) */
#define GPIO_NR_PALMTX_PCMCIA_POWER1            94
#define GPIO_NR_PALMTX_PCMCIA_POWER2            108
#define GPIO_NR_PALMTX_PCMCIA_RESET       79
#define GPIO_NR_PALMTX_PCMCIA_READY       116

/* NAND Flash ... this GPIO may be incorrect! */
#define GPIO_NR_PALMTX_NAND_BUFFER_DIR          79

/* INTERRUPTS */
#define IRQ_GPIO_PALMTX_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMTX_SD_DETECT_N)
#define IRQ_GPIO_PALMTX_WM9712_IRQ  IRQ_GPIO(GPIO_NR_PALMTX_WM9712_IRQ)
#define IRQ_GPIO_PALMTX_USB_DETECT  IRQ_GPIO(GPIO_NR_PALMTX_USB_DETECT)
#define IRQ_GPIO_PALMTX_GPIO_RESET  IRQ_GPIO(GPIO_NR_PALMTX_GPIO_RESET)

/** HERE ARE INIT VALUES **/

/* Various addresses  */
#define PALMTX_PCMCIA_PHYS    0x28000000
#define PALMTX_PCMCIA_VIRT    0xf0000000
#define PALMTX_PCMCIA_SIZE    0x100000

#define PALMTX_PHYS_RAM_START 0xa0000000
#define PALMTX_PHYS_IO_START  0x40000000

#define PALMTX_PHYS_FLASH_START     PXA_CS0_PHYS      /* ChipSelect 0 */
#define PALMTX_PHYS_NAND_START      PXA_CS1_PHYS      /* ChipSelect 1 */

/* TOUCHSCREEN */
#define AC97_LINK_FRAME             21


/* BATTERY */
#define PALMTX_BAT_MAX_VOLTAGE            4000  /* 4.00v current voltage */
#define PALMTX_BAT_MIN_VOLTAGE            3550  /* 3.55v critical voltage */
#define PALMTX_BAT_MAX_CURRENT            0     /* unknokn */
#define PALMTX_BAT_MIN_CURRENT            0     /* unknown */
#define PALMTX_BAT_MAX_CHARGE       1     /* unknown */
#define PALMTX_BAT_MIN_CHARGE       1     /* unknown */
#define PALMTX_MAX_LIFE_MINS        360   /* on-life in minutes */

#define PALMTX_BAT_MEASURE_DELAY    (HZ * 1)

/* BACKLIGHT */
#define PALMTX_MAX_INTENSITY        0xFE
#define PALMTX_DEFAULT_INTENSITY    0x7E
#define PALMTX_LIMIT_MASK           0x7F
#define PALMTX_PRESCALER            0x3F
#define PALMTX_PERIOD_NS            3500

#endif

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