board-sx1.c

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/*
* linux/arch/arm/mach-omap1/board-sx1.c
*
* Modified from board-generic.c
*
* Support for the Siemens SX1 mobile phone.
*
* Original version : Vladimir Ananiev (Vovan888-at-gmail com)
*
* Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
*       oslik.ru
*
* 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.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <linux/notifier.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/errno.h>
#include <linux/export.h>
#include <linux/omapfb.h>
#include <linux/platform_data/keypad-omap.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <mach/flash.h>
#include <mach/mux.h>
#include <plat/dma.h>
#include <mach/irda.h>
#include <plat/tc.h>
#include <mach/board-sx1.h>

#include <mach/hardware.h>
#include <mach/usb.h>

#include "common.h"

/* Write to I2C device */
int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
{
    struct i2c_adapter *adap;
    int err;
    struct i2c_msg msg[1];
    unsigned char data[2];

    adap = i2c_get_adapter(0);
    if (!adap)
        return -ENODEV;
    msg->addr = devaddr;    /* I2C address of chip */
    msg->flags = 0;
    msg->len = 2;
    msg->buf = data;
    data[0] = regoffset;    /* register num */
    data[1] = value;        /* register data */
    err = i2c_transfer(adap, msg, 1);
    i2c_put_adapter(adap);
    if (err >= 0)
        return 0;
    return err;
}

/* Read from I2C device */
int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
{
    struct i2c_adapter *adap;
    int err;
    struct i2c_msg msg[1];
    unsigned char data[2];

    adap = i2c_get_adapter(0);
    if (!adap)
        return -ENODEV;

    msg->addr = devaddr;    /* I2C address of chip */
    msg->flags = 0;
    msg->len = 1;
    msg->buf = data;
    data[0] = regoffset;    /* register num */
    err = i2c_transfer(adap, msg, 1);

    msg->addr = devaddr;    /* I2C address */
    msg->flags = I2C_M_RD;
    msg->len = 1;
    msg->buf = data;
    err = i2c_transfer(adap, msg, 1);
    *value = data[0];
    i2c_put_adapter(adap);

    if (err >= 0)
        return 0;
    return err;
}
/* set keyboard backlight intensity */
int sx1_setkeylight(u8 keylight)
{
    if (keylight > SOFIA_MAX_LIGHT_VAL)
        keylight = SOFIA_MAX_LIGHT_VAL;
    return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
}
/* get current keylight intensity */
int sx1_getkeylight(u8 * keylight)
{
    return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
}
/* set LCD backlight intensity */
int sx1_setbacklight(u8 backlight)
{
    if (backlight > SOFIA_MAX_LIGHT_VAL)
        backlight = SOFIA_MAX_LIGHT_VAL;
    return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
                  backlight);
}
/* get current LCD backlight intensity */
int sx1_getbacklight (u8 * backlight)
{
    return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
                 backlight);
}
/* set LCD backlight power on/off */
int sx1_setmmipower(u8 onoff)
{
    int err;
    u8 dat = 0;
    err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
    if (err < 0)
        return err;
    if (onoff)
        dat |= SOFIA_MMILIGHT_POWER;
    else
        dat &= ~SOFIA_MMILIGHT_POWER;
    return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}

/* set USB power on/off */
int sx1_setusbpower(u8 onoff)
{
    int err;
    u8 dat = 0;
    err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
    if (err < 0)
        return err;
    if (onoff)
        dat |= SOFIA_USB_POWER;
    else
        dat &= ~SOFIA_USB_POWER;
    return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}

EXPORT_SYMBOL(sx1_setkeylight);
EXPORT_SYMBOL(sx1_getkeylight);
EXPORT_SYMBOL(sx1_setbacklight);
EXPORT_SYMBOL(sx1_getbacklight);
EXPORT_SYMBOL(sx1_setmmipower);
EXPORT_SYMBOL(sx1_setusbpower);

/*----------- Keypad -------------------------*/

static const unsigned int sx1_keymap[] = {
    KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
    KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
    KEY(4, 1, GROUP_2 | 114), /* voice memo */
    KEY(4, 2, GROUP_3 | 114), /* voice memo */
    KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
    KEY(3, 4, GROUP_1 | KEY_LEFT),
    KEY(3, 2, GROUP_1 | KEY_DOWN),
    KEY(3, 1, GROUP_1 | KEY_RIGHT),
    KEY(3, 0, GROUP_1 | KEY_UP),
    KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
    KEY(0, 5, GROUP_1 | KEY_1),
    KEY(0, 4, GROUP_1 | KEY_2),
    KEY(0, 3, GROUP_1 | KEY_3),
    KEY(4, 3, GROUP_1 | KEY_4),
    KEY(4, 4, GROUP_1 | KEY_5),
    KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
    KEY(1, 4, GROUP_1 | KEY_6),
    KEY(1, 5, GROUP_1 | KEY_7),
    KEY(1, 3, GROUP_1 | KEY_8),
    KEY(2, 3, GROUP_1 | KEY_9),
    KEY(2, 5, GROUP_1 | KEY_0),
    KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
    KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
    KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
    KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
    KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
    KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
    KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
};

static struct resource sx1_kp_resources[] = {
    [0] = {
        .start  = INT_KEYBOARD,
        .end    = INT_KEYBOARD,
        .flags  = IORESOURCE_IRQ,
    },
};

static const struct matrix_keymap_data sx1_keymap_data = {
    .keymap     = sx1_keymap,
    .keymap_size    = ARRAY_SIZE(sx1_keymap),
};

static struct omap_kp_platform_data sx1_kp_data = {
    .rows       = 6,
    .cols       = 6,
    .keymap_data    = &sx1_keymap_data,
    .delay  = 80,
};

static struct platform_device sx1_kp_device = {
    .name       = "omap-keypad",
    .id     = -1,
    .dev        = {
        .platform_data = &sx1_kp_data,
    },
    .num_resources  = ARRAY_SIZE(sx1_kp_resources),
    .resource   = sx1_kp_resources,
};

/*----------- IRDA -------------------------*/

static struct omap_irda_config sx1_irda_data = {
    .transceiver_cap    = IR_SIRMODE,
    .rx_channel     = OMAP_DMA_UART3_RX,
    .tx_channel     = OMAP_DMA_UART3_TX,
    .dest_start     = UART3_THR,
    .src_start      = UART3_RHR,
    .tx_trigger     = 0,
    .rx_trigger     = 0,
};

static struct resource sx1_irda_resources[] = {
    [0] = {
        .start  = INT_UART3,
        .end    = INT_UART3,
        .flags  = IORESOURCE_IRQ,
    },
};

static u64 irda_dmamask = 0xffffffff;

static struct platform_device sx1_irda_device = {
    .name       = "omapirda",
    .id     = 0,
    .dev        = {
        .platform_data  = &sx1_irda_data,
        .dma_mask   = &irda_dmamask,
    },
    .num_resources  = ARRAY_SIZE(sx1_irda_resources),
    .resource   = sx1_irda_resources,
};

/*----------- MTD -------------------------*/

static struct mtd_partition sx1_partitions[] = {
    /* bootloader (U-Boot, etc) in first sector */
    {
        .name       = "bootloader",
        .offset     = 0x01800000,
        .size       = SZ_128K,
        .mask_flags = MTD_WRITEABLE, /* force read-only */
    },
    /* bootloader params in the next sector */
    {
        .name       = "params",
        .offset     = MTDPART_OFS_APPEND,
        .size       = SZ_128K,
        .mask_flags = 0,
    },
    /* kernel */
    {
        .name       = "kernel",
        .offset     = MTDPART_OFS_APPEND,
        .size       = SZ_2M - 2 * SZ_128K,
        .mask_flags = 0
    },
    /* file system */
    {
        .name       = "filesystem",
        .offset     = MTDPART_OFS_APPEND,
        .size       = MTDPART_SIZ_FULL,
        .mask_flags = 0
    }
};

static struct physmap_flash_data sx1_flash_data = {
    .width      = 2,
    .set_vpp    = omap1_set_vpp,
    .parts      = sx1_partitions,
    .nr_parts   = ARRAY_SIZE(sx1_partitions),
};

#ifdef CONFIG_SX1_OLD_FLASH
/* MTD Intel StrataFlash - old flashes */
static struct resource sx1_old_flash_resource[] = {
    [0] = {
        .start  = OMAP_CS0_PHYS,    /* Physical */
        .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = OMAP_CS1_PHYS,
        .end    = OMAP_CS1_PHYS + SZ_8M - 1,
        .flags  = IORESOURCE_MEM,
    },
};

static struct platform_device sx1_flash_device = {
    .name       = "physmap-flash",
    .id     = 0,
    .dev        = {
        .platform_data  = &sx1_flash_data,
    },
    .num_resources  = 2,
    .resource   = &sx1_old_flash_resource,
};
#else
/* MTD Intel 4000 flash - new flashes */
static struct resource sx1_new_flash_resource = {
    .start      = OMAP_CS0_PHYS,
    .end        = OMAP_CS0_PHYS + SZ_32M - 1,
    .flags      = IORESOURCE_MEM,
};

static struct platform_device sx1_flash_device = {
    .name       = "physmap-flash",
    .id     = 0,
    .dev        = {
        .platform_data  = &sx1_flash_data,
    },
    .num_resources  = 1,
    .resource   = &sx1_new_flash_resource,
};
#endif

/*----------- USB -------------------------*/

static struct omap_usb_config sx1_usb_config __initdata = {
    .otg        = 0,
    .register_dev   = 1,
    .register_host  = 0,
    .hmc_mode   = 0,
    .pins[0]    = 2,
    .pins[1]    = 0,
    .pins[2]    = 0,
};

/*----------- LCD -------------------------*/

static struct omap_lcd_config sx1_lcd_config __initdata = {
    .ctrl_name  = "internal",
};

/*-----------------------------------------*/
static struct platform_device *sx1_devices[] __initdata = {
    &sx1_flash_device,
    &sx1_kp_device,
    &sx1_irda_device,
};

/*-----------------------------------------*/

static void __init omap_sx1_init(void)
{
    /* mux pins for uarts */
    omap_cfg_reg(UART1_TX);
    omap_cfg_reg(UART1_RTS);
    omap_cfg_reg(UART2_TX);
    omap_cfg_reg(UART2_RTS);
    omap_cfg_reg(UART3_TX);
    omap_cfg_reg(UART3_RX);

    platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));

    omap_serial_init();
    omap_register_i2c_bus(1, 100, NULL, 0);
    omap1_usb_init(&sx1_usb_config);
    sx1_mmc_init();

    /* turn on USB power */
    /* sx1_setusbpower(1); can't do it here because i2c is not ready */
    gpio_request(1, "A_IRDA_OFF");
    gpio_request(11, "A_SWITCH");
    gpio_request(15, "A_USB_ON");
    gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
    gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
    gpio_direction_output(15, 0);   /*A_USB_ON = 0 */

    omapfb_set_lcd_config(&sx1_lcd_config);
}

MACHINE_START(SX1, "OMAP310 based Siemens SX1")
    .atag_offset    = 0x100,
    .map_io     = omap15xx_map_io,
    .init_early     = omap1_init_early,
    .reserve    = omap_reserve,
    .init_irq   = omap1_init_irq,
    .init_machine   = omap_sx1_init,
    .init_late  = omap1_init_late,
    .timer      = &omap1_timer,
    .restart    = omap1_restart,
MACHINE_END