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board.h

/*
 * arch/arm/mach-at91/include/mach/board.h
 *
 *  Copyright (C) 2005 HP Labs
 *
 * 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 program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 * These are data structures found in platform_device.dev.platform_data,
 * and describing board-specific data needed by drivers.  For example,
 * which pin is used for a given GPIO role.
 *
 * In 2.6, drivers should strongly avoid board-specific knowledge so
 * that supporting new boards normally won't require driver patches.
 * Most board-specific knowledge should be in arch/.../board-*.c files.
 */

#ifndef __ASM_ARCH_BOARD_H
#define __ASM_ARCH_BOARD_H

#include <linux/mtd/partitions.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
#include <linux/atmel-mci.h>
#include <sound/atmel-ac97c.h>

 /* USB Device */
00044 struct at91_udc_data {
      u8    vbus_pin;         /* high == host powering us */
      u8    pullup_pin;       /* active == D+ pulled up */
      u8    pullup_active_low;      /* true == pullup_pin is active low */
};
extern void __init at91_add_device_udc(struct at91_udc_data *data);

 /* USB High Speed Device */
extern void __init at91_add_device_usba(struct usba_platform_data *data);

 /* Compact Flash */
00055 struct at91_cf_data {
      u8    irq_pin;          /* I/O IRQ */
      u8    det_pin;          /* Card detect */
      u8    vcc_pin;          /* power switching */
      u8    rst_pin;          /* card reset */
      u8    chipselect;       /* EBI Chip Select number */
      u8    flags;
#define AT91_CF_TRUE_IDE      0x01
#define AT91_IDE_SWAP_A0_A2   0x02
};
extern void __init at91_add_device_cf(struct at91_cf_data *data);

 /* MMC / SD */
  /* at91_mci platform config */
00069 struct at91_mmc_data {
      u8          det_pin;    /* card detect IRQ */
      unsigned    slot_b:1;   /* uses Slot B */
      unsigned    wire4:1;    /* (SD) supports DAT0..DAT3 */
      u8          wp_pin;           /* (SD) writeprotect detect */
      u8          vcc_pin;    /* power switching (high == on) */
};
extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data);

  /* atmel-mci platform config */
extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data);

 /* Ethernet (EMAC & MACB) */
00082 struct at91_eth_data {
      u32         phy_mask;
      u8          phy_irq_pin;      /* PHY IRQ */
      u8          is_rmii;    /* using RMII interface? */
};
extern void __init at91_add_device_eth(struct at91_eth_data *data);

#if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91CAP9) \
      || defined(CONFIG_ARCH_AT91SAM9G45)
#define eth_platform_data     at91_eth_data
#endif

 /* USB Host */
00095 struct at91_usbh_data {
      u8          ports;            /* number of ports on root hub */
      u8          vbus_pin[2];      /* port power-control pin */
};
extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);

 /* NAND / SmartMedia */
00103 struct atmel_nand_data {
      u8          enable_pin; /* chip enable */
      u8          det_pin;    /* card detect */
      u8          rdy_pin;    /* ready/busy */
      u8              rdy_pin_active_low;     /* rdy_pin value is inverted */
      u8          ale;        /* address line number connected to ALE */
      u8          cle;        /* address line number connected to CLE */
      u8          bus_width_16;     /* buswidth is 16 bit */
      struct mtd_partition* (*partition_info)(int, int*);
};
extern void __init at91_add_device_nand(struct atmel_nand_data *data);

 /* I2C*/
#if defined(CONFIG_ARCH_AT91SAM9G45)
extern void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices);
#else
extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices);
#endif

 /* SPI */
extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices);

 /* Serial */
#define ATMEL_UART_CTS  0x01
#define ATMEL_UART_RTS  0x02
#define ATMEL_UART_DSR  0x04
#define ATMEL_UART_DTR  0x08
#define ATMEL_UART_DCD  0x10
#define ATMEL_UART_RI   0x20

extern void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins);
extern void __init at91_set_serial_console(unsigned portnr);

00136 struct at91_uart_config {
      unsigned short    console_tty;      /* tty number of serial console */
      unsigned short    nr_tty;           /* number of serial tty's */
      short       tty_map[];  /* map UART to tty number */
};
extern struct platform_device *atmel_default_console_device;
extern void __init __deprecated at91_init_serial(struct at91_uart_config *config);

00144 struct atmel_uart_data {
      short       use_dma_tx; /* use transmit DMA? */
      short       use_dma_rx; /* use receive DMA? */
      void __iomem      *regs;            /* virtual base address, if any */
};
extern void __init at91_add_device_serial(void);

/*
 * PWM
 */
#define AT91_PWM0 0
#define AT91_PWM1 1
#define AT91_PWM2 2
#define AT91_PWM3 3

extern void __init at91_add_device_pwm(u32 mask);

/*
 * SSC -- accessed through ssc_request(id).  Drivers don't bind to SSC
 * platform devices.  Their SSC ID is part of their configuration data,
 * along with information about which SSC signals they should use.
 */
#define ATMEL_SSC_TK    0x01
#define ATMEL_SSC_TF    0x02
#define ATMEL_SSC_TD    0x04
#define ATMEL_SSC_TX    (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)

#define ATMEL_SSC_RK    0x10
#define ATMEL_SSC_RF    0x20
#define ATMEL_SSC_RD    0x40
#define ATMEL_SSC_RX    (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)

extern void __init at91_add_device_ssc(unsigned id, unsigned pins);

 /* LCD Controller */
struct atmel_lcdfb_info;
extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data);

 /* AC97 */
extern void __init at91_add_device_ac97(struct ac97c_platform_data *data);

 /* ISI */
extern void __init at91_add_device_isi(void);

 /* Touchscreen Controller */
extern void __init at91_add_device_tsadcc(void);

/* CAN */
00192 struct at91_can_data {
      void (*transceiver_switch)(int on);
};
extern void __init at91_add_device_can(struct at91_can_data *data);

 /* LEDs */
extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
extern void __init at91_pwm_leds(struct gpio_led *leds, int nr);

/* FIXME: this needs a better location, but gets stuff building again */
extern int at91_suspend_entering_slow_clock(void);

#endif

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