palmtx.h

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/*
 * GPIOs and interrupts for Palm T|X Handheld Computer
 *
 * Based on palmld-gpio.h by Alex Osborne
 *
 * Authors: Marek Vasut <[email protected]>
 *      Cristiano P. <[email protected]>
 *      Jan Herman <[email protected]>
 *
 * 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_

/* 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_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 PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_SD_DETECT_N)
#define IRQ_GPIO_PALMTX_WM9712_IRQ  PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_WM9712_IRQ)
#define IRQ_GPIO_PALMTX_USB_DETECT  PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_USB_DETECT)
#define IRQ_GPIO_PALMTX_GPIO_RESET  PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_GPIO_RESET)

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

#define PALMTX_PHYS_RAM_START   0xa0000000
#define PALMTX_PHYS_IO_START    0x40000000

#define PALMTX_STR_BASE     0xa0200000

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

#define PALMTX_NAND_ALE_PHYS    (PALMTX_PHYS_NAND_START | (1 << 24))
#define PALMTX_NAND_CLE_PHYS    (PALMTX_PHYS_NAND_START | (1 << 25))
#define PALMTX_NAND_ALE_VIRT    IOMEM(0xff100000)
#define PALMTX_NAND_CLE_VIRT    IOMEM(0xff200000)

/* 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   /* unknown */
#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