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tosa.c

/*
 *  Support for Sharp SL-C6000x PDAs
 *  Model: (Tosa)
 *
 *  Copyright (c) 2005 Dirk Opfer
 *
 *    Based on code written by Sharp/Lineo for 2.4 kernels
 *
 *  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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/mmc/host.h>
#include <linux/mfd/tc6393xb.h>
#include <linux/mfd/tmio.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/pm.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/pda_power.h>
#include <linux/spi/spi.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/input/matrix_keypad.h>

#include <asm/setup.h>
#include <asm/mach-types.h>

#include <mach/pxa25x.h>
#include <mach/reset.h>
#include <mach/irda.h>
#include <plat/i2c.h>
#include <mach/mmc.h>
#include <mach/udc.h>
#include <mach/tosa_bt.h>
#include <mach/audio.h>
#include <mach/smemc.h>

#include <asm/mach/arch.h>
#include <mach/tosa.h>

#include <asm/hardware/scoop.h>
#include <asm/mach/sharpsl_param.h>

#include "generic.h"
#include "clock.h"
#include "devices.h"

static unsigned long tosa_pin_config[] = {
      GPIO78_nCS_2, /* Scoop */
      GPIO80_nCS_4, /* tg6393xb */
      GPIO33_nCS_5, /* Scoop */

      // GPIO76 CARD_VCC_ON1

      GPIO19_GPIO, /* Reset out */
      GPIO1_RST | WAKEUP_ON_EDGE_FALL,

      GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */
      GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */
      GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */
      GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */
      GPIO20_GPIO, /* EAR_IN */
      GPIO22_GPIO, /* On */

      GPIO5_GPIO, /* USB_IN */
      GPIO32_GPIO, /* Pen IRQ */

      GPIO7_GPIO, /* Jacket Detect */
      GPIO14_GPIO, /* BAT0_CRG */
      GPIO12_GPIO, /* BAT1_CRG */
      GPIO17_GPIO, /* BAT0_LOW */
      GPIO84_GPIO, /* BAT1_LOW */
      GPIO38_GPIO, /* BAT_LOCK */

      GPIO11_3_6MHz,
      GPIO15_GPIO, /* TC6393XB IRQ */
      GPIO18_RDY,
      GPIO27_GPIO, /* LCD Sync */

      /* MMC */
      GPIO6_MMC_CLK,
      GPIO8_MMC_CS0,
      GPIO9_GPIO, /* Detect */
      GPIO10_GPIO, /* nSD_INT */

      /* CF */
      GPIO13_GPIO, /* CD_IRQ */
      GPIO21_GPIO, /* Main Slot IRQ */
      GPIO36_GPIO, /* Jacket Slot IRQ */
      GPIO48_nPOE,
      GPIO49_nPWE,
      GPIO50_nPIOR,
      GPIO51_nPIOW,
      GPIO52_nPCE_1,
      GPIO53_nPCE_2,
      GPIO54_nPSKTSEL,
      GPIO55_nPREG,
      GPIO56_nPWAIT,
      GPIO57_nIOIS16,

      /* AC97 */
      GPIO31_AC97_SYNC,
      GPIO30_AC97_SDATA_OUT,
      GPIO28_AC97_BITCLK,
      GPIO29_AC97_SDATA_IN_0,
      // GPIO79 nAUD_IRQ

      /* FFUART */
      GPIO34_FFUART_RXD,
      GPIO35_FFUART_CTS,
      GPIO37_FFUART_DSR,
      GPIO39_FFUART_TXD,
      GPIO40_FFUART_DTR,
      GPIO41_FFUART_RTS,

      /* BTUART */
      GPIO42_BTUART_RXD,
      GPIO43_BTUART_TXD,
      GPIO44_BTUART_CTS,
      GPIO45_BTUART_RTS,

      /* Keybd */
      GPIO58_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 0 */
      GPIO59_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 1 */
      GPIO60_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 2 */
      GPIO61_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 3 */
      GPIO62_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 4 */
      GPIO63_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 5 */
      GPIO64_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 6 */
      GPIO65_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 7 */
      GPIO66_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 8 */
      GPIO67_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 9 */
      GPIO68_GPIO | MFP_LPM_DRIVE_LOW,    /* Column 10 */
      GPIO69_GPIO | MFP_LPM_DRIVE_LOW,    /* Row 0 */
      GPIO70_GPIO | MFP_LPM_DRIVE_LOW,    /* Row 1 */
      GPIO71_GPIO | MFP_LPM_DRIVE_LOW,    /* Row 2 */
      GPIO72_GPIO | MFP_LPM_DRIVE_LOW,    /* Row 3 */
      GPIO73_GPIO | MFP_LPM_DRIVE_LOW,    /* Row 4 */
      GPIO74_GPIO | MFP_LPM_DRIVE_LOW,    /* Row 5 */
      GPIO75_GPIO | MFP_LPM_DRIVE_LOW,    /* Row 6 */

      /* SPI */
      GPIO81_SSP2_CLK_OUT,
      GPIO82_SSP2_FRM_OUT,
      GPIO83_SSP2_TXD,

      /* IrDA is managed in other way */
      GPIO46_GPIO,
      GPIO47_GPIO,
};

/*
 * SCOOP Device
 */
static struct resource tosa_scoop_resources[] = {
      [0] = {
            .start      = TOSA_CF_PHYS,
            .end  = TOSA_CF_PHYS + 0xfff,
            .flags      = IORESOURCE_MEM,
      },
};

static struct scoop_config tosa_scoop_setup = {
      .io_dir     = TOSA_SCOOP_IO_DIR,
      .gpio_base  = TOSA_SCOOP_GPIO_BASE,
};

static struct platform_device tosascoop_device = {
      .name       = "sharp-scoop",
      .id         = 0,
      .dev        = {
            .platform_data    = &tosa_scoop_setup,
      },
      .num_resources    = ARRAY_SIZE(tosa_scoop_resources),
      .resource   = tosa_scoop_resources,
};


/*
 * SCOOP Device Jacket
 */
static struct resource tosa_scoop_jc_resources[] = {
      [0] = {
            .start            = TOSA_SCOOP_PHYS + 0x40,
            .end        = TOSA_SCOOP_PHYS + 0xfff,
            .flags            = IORESOURCE_MEM,
      },
};

static struct scoop_config tosa_scoop_jc_setup = {
      .io_dir     = TOSA_SCOOP_JC_IO_DIR,
      .gpio_base  = TOSA_SCOOP_JC_GPIO_BASE,
};

static struct platform_device tosascoop_jc_device = {
      .name       = "sharp-scoop",
      .id         = 1,
      .dev        = {
            .platform_data    = &tosa_scoop_jc_setup,
            .parent     = &tosascoop_device.dev,
      },
      .num_resources    = ARRAY_SIZE(tosa_scoop_jc_resources),
      .resource   = tosa_scoop_jc_resources,
};

/*
 * PCMCIA
 */
static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
{
      .dev        = &tosascoop_device.dev,
      .irq        = TOSA_IRQ_GPIO_CF_IRQ,
      .cd_irq     = TOSA_IRQ_GPIO_CF_CD,
      .cd_irq_str = "PCMCIA0 CD",
},{
      .dev        = &tosascoop_jc_device.dev,
      .irq        = TOSA_IRQ_GPIO_JC_CF_IRQ,
      .cd_irq     = -1,
},
};

static struct scoop_pcmcia_config tosa_pcmcia_config = {
      .devs         = &tosa_pcmcia_scoop[0],
      .num_devs     = 2,
};

/*
 * USB Device Controller
 */
static struct pxa2xx_udc_mach_info udc_info __initdata = {
      .gpio_pullup            = TOSA_GPIO_USB_PULLUP,
      .gpio_vbus        = TOSA_GPIO_USB_IN,
      .gpio_vbus_inverted     = 1,
};

/*
 * MMC/SD Device
 */
static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
{
      int err;

      err = gpio_request(TOSA_GPIO_nSD_INT, "SD Int");
      if (err) {
            printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
            goto err_gpio_int;
      }
      err = gpio_direction_input(TOSA_GPIO_nSD_INT);
      if (err)
            goto err_gpio_int_dir;

      return 0;

err_gpio_int_dir:
      gpio_free(TOSA_GPIO_nSD_INT);
err_gpio_int:
      return err;
}

static void tosa_mci_exit(struct device *dev, void *data)
{
      gpio_free(TOSA_GPIO_nSD_INT);
}

static struct pxamci_platform_data tosa_mci_platform_data = {
      .detect_delay_ms  = 250,
      .ocr_mask         = MMC_VDD_32_33|MMC_VDD_33_34,
      .init             = tosa_mci_init,
      .exit             = tosa_mci_exit,
      .gpio_card_detect = TOSA_GPIO_nSD_DETECT,
      .gpio_card_ro           = TOSA_GPIO_SD_WP,
      .gpio_power       = TOSA_GPIO_PWR_ON,
};

/*
 * Irda
 */
static void tosa_irda_transceiver_mode(struct device *dev, int mode)
{
      if (mode & IR_OFF) {
            gpio_set_value(TOSA_GPIO_IR_POWERDWN, 0);
            pxa2xx_transceiver_mode(dev, mode);
            gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
      } else {
            pxa2xx_transceiver_mode(dev, mode);
            gpio_set_value(TOSA_GPIO_IR_POWERDWN, 1);
      }
}

static int tosa_irda_startup(struct device *dev)
{
      int ret;

      ret = gpio_request(TOSA_GPIO_IRDA_TX, "IrDA TX");
      if (ret)
            goto err_tx;
      ret = gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
      if (ret)
            goto err_tx_dir;

      ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
      if (ret)
            goto err_pwr;

      ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
      if (ret)
            goto err_pwr_dir;

      tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);

      return 0;

err_pwr_dir:
      gpio_free(TOSA_GPIO_IR_POWERDWN);
err_pwr:
err_tx_dir:
      gpio_free(TOSA_GPIO_IRDA_TX);
err_tx:
      return ret;
}

static void tosa_irda_shutdown(struct device *dev)
{
      tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
      gpio_free(TOSA_GPIO_IR_POWERDWN);
      gpio_free(TOSA_GPIO_IRDA_TX);
}

static struct pxaficp_platform_data tosa_ficp_platform_data = {
      .gpio_pwdown            = -1,
      .transceiver_cap  = IR_SIRMODE | IR_OFF,
      .transceiver_mode = tosa_irda_transceiver_mode,
      .startup          = tosa_irda_startup,
      .shutdown         = tosa_irda_shutdown,
};

/*
 * Tosa AC IN
 */
static int tosa_power_init(struct device *dev)
{
      int ret = gpio_request(TOSA_GPIO_AC_IN, "ac in");
      if (ret)
            goto err_gpio_req;

      ret = gpio_direction_input(TOSA_GPIO_AC_IN);
      if (ret)
            goto err_gpio_in;

      return 0;

err_gpio_in:
      gpio_free(TOSA_GPIO_AC_IN);
err_gpio_req:
      return ret;
}

static void tosa_power_exit(struct device *dev)
{
      gpio_free(TOSA_GPIO_AC_IN);
}

static int tosa_power_ac_online(void)
{
      return gpio_get_value(TOSA_GPIO_AC_IN) == 0;
}

static char *tosa_ac_supplied_to[] = {
      "main-battery",
      "backup-battery",
      "jacket-battery",
};

static struct pda_power_pdata tosa_power_data = {
      .init             = tosa_power_init,
      .is_ac_online           = tosa_power_ac_online,
      .exit             = tosa_power_exit,
      .supplied_to            = tosa_ac_supplied_to,
      .num_supplicants  = ARRAY_SIZE(tosa_ac_supplied_to),
};

static struct resource tosa_power_resource[] = {
      {
            .name       = "ac",
            .start            = gpio_to_irq(TOSA_GPIO_AC_IN),
            .end        = gpio_to_irq(TOSA_GPIO_AC_IN),
            .flags            = IORESOURCE_IRQ |
                          IORESOURCE_IRQ_HIGHEDGE |
                          IORESOURCE_IRQ_LOWEDGE,
      },
};

static struct platform_device tosa_power_device = {
      .name             = "pda-power",
      .id               = -1,
      .dev.platform_data      = &tosa_power_data,
      .resource         = tosa_power_resource,
      .num_resources          = ARRAY_SIZE(tosa_power_resource),
};

/*
 * Tosa Keyboard
 */
static const uint32_t tosakbd_keymap[] = {
      KEY(0, 2, KEY_W),
      KEY(0, 6, KEY_K),
      KEY(0, 7, KEY_BACKSPACE),
      KEY(0, 8, KEY_P),
      KEY(1, 1, KEY_Q),
      KEY(1, 2, KEY_E),
      KEY(1, 3, KEY_T),
      KEY(1, 4, KEY_Y),
      KEY(1, 6, KEY_O),
      KEY(1, 7, KEY_I),
      KEY(1, 8, KEY_COMMA),
      KEY(2, 1, KEY_A),
      KEY(2, 2, KEY_D),
      KEY(2, 3, KEY_G),
      KEY(2, 4, KEY_U),
      KEY(2, 6, KEY_L),
      KEY(2, 7, KEY_ENTER),
      KEY(2, 8, KEY_DOT),
      KEY(3, 1, KEY_Z),
      KEY(3, 2, KEY_C),
      KEY(3, 3, KEY_V),
      KEY(3, 4, KEY_J),
      KEY(3, 5, TOSA_KEY_ADDRESSBOOK),
      KEY(3, 6, TOSA_KEY_CANCEL),
      KEY(3, 7, TOSA_KEY_CENTER),
      KEY(3, 8, TOSA_KEY_OK),
      KEY(3, 9, KEY_LEFTSHIFT),
      KEY(4, 1, KEY_S),
      KEY(4, 2, KEY_R),
      KEY(4, 3, KEY_B),
      KEY(4, 4, KEY_N),
      KEY(4, 5, TOSA_KEY_CALENDAR),
      KEY(4, 6, TOSA_KEY_HOMEPAGE),
      KEY(4, 7, KEY_LEFTCTRL),
      KEY(4, 8, TOSA_KEY_LIGHT),
      KEY(4, 10, KEY_RIGHTSHIFT),
      KEY(5, 1, KEY_TAB),
      KEY(5, 2, KEY_SLASH),
      KEY(5, 3, KEY_H),
      KEY(5, 4, KEY_M),
      KEY(5, 5, TOSA_KEY_MENU),
      KEY(5, 7, KEY_UP),
      KEY(5, 11, TOSA_KEY_FN),
      KEY(6, 1, KEY_X),
      KEY(6, 2, KEY_F),
      KEY(6, 3, KEY_SPACE),
      KEY(6, 4, KEY_APOSTROPHE),
      KEY(6, 5, TOSA_KEY_MAIL),
      KEY(6, 6, KEY_LEFT),
      KEY(6, 7, KEY_DOWN),
      KEY(6, 8, KEY_RIGHT),
};

static struct matrix_keymap_data tosakbd_keymap_data = {
      .keymap           = tosakbd_keymap,
      .keymap_size      = ARRAY_SIZE(tosakbd_keymap),
};

static const int tosakbd_col_gpios[] =
                  { 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68 };
static const int tosakbd_row_gpios[] =
                  { 69, 70, 71, 72, 73, 74, 75 };

static struct matrix_keypad_platform_data tosakbd_pdata = {
      .keymap_data            = &tosakbd_keymap_data,
      .row_gpios        = tosakbd_row_gpios,
      .col_gpios        = tosakbd_col_gpios,
      .num_row_gpios          = ARRAY_SIZE(tosakbd_row_gpios),
      .num_col_gpios          = ARRAY_SIZE(tosakbd_col_gpios),
      .col_scan_delay_us      = 10,
      .debounce_ms            = 10,
      .wakeup                 = 1,
};

static struct platform_device tosakbd_device = {
      .name       = "matrix-keypad",
      .id         = -1,
      .dev        = {
            .platform_data = &tosakbd_pdata,
      },
};

static struct gpio_keys_button tosa_gpio_keys[] = {
      /*
       * Two following keys are directly tied to "ON" button of tosa. Why?
       * The first one can be used as a wakeup source, the second can't;
       * also the first one is OR of ac_powered and on_button.
       */
      {
            .type = EV_PWR,
            .code = KEY_RESERVED,
            .gpio = TOSA_GPIO_POWERON,
            .desc = "Poweron",
            .wakeup     = 1,
            .active_low = 1,
      },
      {
            .type = EV_PWR,
            .code = KEY_SUSPEND,
            .gpio = TOSA_GPIO_ON_KEY,
            .desc = "On key",
            /*
             * can't be used as wakeup
             * .wakeup  = 1,
             */
            .active_low = 1,
      },
      {
            .type = EV_KEY,
            .code = TOSA_KEY_RECORD,
            .gpio = TOSA_GPIO_RECORD_BTN,
            .desc = "Record Button",
            .wakeup     = 1,
            .active_low = 1,
      },
      {
            .type = EV_KEY,
            .code = TOSA_KEY_SYNC,
            .gpio = TOSA_GPIO_SYNC,
            .desc = "Sync Button",
            .wakeup     = 1,
            .active_low = 1,
      },
      {
            .type = EV_SW,
            .code = SW_HEADPHONE_INSERT,
            .gpio = TOSA_GPIO_EAR_IN,
            .desc = "HeadPhone insert",
            .active_low = 1,
            .debounce_interval = 300,
      },
};

static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
      .buttons    = tosa_gpio_keys,
      .nbuttons   = ARRAY_SIZE(tosa_gpio_keys),
};

static struct platform_device tosa_gpio_keys_device = {
      .name = "gpio-keys",
      .id   = -1,
      .dev  = {
            .platform_data    = &tosa_gpio_keys_platform_data,
      },
};

/*
 * Tosa LEDs
 */
static struct gpio_led tosa_gpio_leds[] = {
      {
            .name             = "tosa:amber:charge",
            .default_trigger  = "main-battery-charging",
            .gpio             = TOSA_GPIO_CHRG_ERR_LED,
      },
      {
            .name             = "tosa:green:mail",
            .default_trigger  = "nand-disk",
            .gpio             = TOSA_GPIO_NOTE_LED,
      },
      {
            .name             = "tosa:dual:wlan",
            .default_trigger  = "none",
            .gpio             = TOSA_GPIO_WLAN_LED,
      },
      {
            .name             = "tosa:blue:bluetooth",
            .default_trigger  = "tosa-bt",
            .gpio             = TOSA_GPIO_BT_LED,
      },
};

static struct gpio_led_platform_data tosa_gpio_leds_platform_data = {
      .leds       = tosa_gpio_leds,
      .num_leds   = ARRAY_SIZE(tosa_gpio_leds),
};

static struct platform_device tosaled_device = {
      .name = "leds-gpio",
      .id   = -1,
      .dev  = {
            .platform_data    = &tosa_gpio_leds_platform_data,
      },
};

/*
 * Toshiba Mobile IO Controller
 */
static struct resource tc6393xb_resources[] = {
      [0] = {
            .start      = TOSA_LCDC_PHYS,
            .end  = TOSA_LCDC_PHYS + 0x3ffffff,
            .flags      = IORESOURCE_MEM,
      },

      [1] = {
            .start      = TOSA_IRQ_GPIO_TC6393XB_INT,
            .end  = TOSA_IRQ_GPIO_TC6393XB_INT,
            .flags      = IORESOURCE_IRQ,
      },
};


static int tosa_tc6393xb_enable(struct platform_device *dev)
{
      int rc;

      rc = gpio_request(TOSA_GPIO_TC6393XB_REST_IN, "tc6393xb #pclr");
      if (rc)
            goto err_req_pclr;
      rc = gpio_request(TOSA_GPIO_TC6393XB_SUSPEND, "tc6393xb #suspend");
      if (rc)
            goto err_req_suspend;
      rc = gpio_request(TOSA_GPIO_TC6393XB_L3V_ON, "tc6393xb l3v");
      if (rc)
            goto err_req_l3v;
      rc = gpio_direction_output(TOSA_GPIO_TC6393XB_L3V_ON, 0);
      if (rc)
            goto err_dir_l3v;
      rc = gpio_direction_output(TOSA_GPIO_TC6393XB_SUSPEND, 0);
      if (rc)
            goto err_dir_suspend;
      rc = gpio_direction_output(TOSA_GPIO_TC6393XB_REST_IN, 0);
      if (rc)
            goto err_dir_pclr;

      mdelay(1);

      gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);

      mdelay(10);

      gpio_set_value(TOSA_GPIO_TC6393XB_REST_IN, 1);
      gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);

      return 0;
err_dir_pclr:
err_dir_suspend:
err_dir_l3v:
      gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
err_req_l3v:
      gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
err_req_suspend:
      gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
err_req_pclr:
      return rc;
}

static int tosa_tc6393xb_disable(struct platform_device *dev)
{
      gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
      gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
      gpio_free(TOSA_GPIO_TC6393XB_REST_IN);

      return 0;
}

static int tosa_tc6393xb_resume(struct platform_device *dev)
{
      gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
      mdelay(10);
      gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
      mdelay(10);

      return 0;
}

static int tosa_tc6393xb_suspend(struct platform_device *dev)
{
      gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 0);
      gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 0);
      return 0;
}

static struct mtd_partition tosa_nand_partition[] = {
      {
            .name = "smf",
            .offset     = 0,
            .size = 7 * 1024 * 1024,
      },
      {
            .name = "root",
            .offset     = MTDPART_OFS_APPEND,
            .size = 28 * 1024 * 1024,
      },
      {
            .name = "home",
            .offset     = MTDPART_OFS_APPEND,
            .size = MTDPART_SIZ_FULL,
      },
};

static uint8_t scan_ff_pattern[] = { 0xff, 0xff };

static struct nand_bbt_descr tosa_tc6393xb_nand_bbt = {
      .options    = 0,
      .offs       = 4,
      .len        = 2,
      .pattern    = scan_ff_pattern
};

static struct tmio_nand_data tosa_tc6393xb_nand_config = {
      .num_partitions   = ARRAY_SIZE(tosa_nand_partition),
      .partition  = tosa_nand_partition,
      .badblock_pattern = &tosa_tc6393xb_nand_bbt,
};

static int tosa_tc6393xb_setup(struct platform_device *dev)
{
      int rc;

      rc = gpio_request(TOSA_GPIO_CARD_VCC_ON, "CARD_VCC_ON");
      if (rc)
            goto err_req;

      rc = gpio_direction_output(TOSA_GPIO_CARD_VCC_ON, 1);
      if (rc)
            goto err_dir;

      return rc;

err_dir:
      gpio_free(TOSA_GPIO_CARD_VCC_ON);
err_req:
      return rc;
}

static void tosa_tc6393xb_teardown(struct platform_device *dev)
{
      gpio_free(TOSA_GPIO_CARD_VCC_ON);
}

#ifdef CONFIG_MFD_TC6393XB
static struct fb_videomode tosa_tc6393xb_lcd_mode[] = {
      {
            .xres = 480,
            .yres = 640,
            .pixclock = 0x002cdf00,/* PLL divisor */
            .left_margin = 0x004c,
            .right_margin = 0x005b,
            .upper_margin = 0x0001,
            .lower_margin = 0x000d,
            .hsync_len = 0x0002,
            .vsync_len = 0x0001,
            .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
            .vmode = FB_VMODE_NONINTERLACED,
      },{
            .xres = 240,
            .yres = 320,
            .pixclock = 0x00e7f203,/* PLL divisor */
            .left_margin = 0x0024,
            .right_margin = 0x002f,
            .upper_margin = 0x0001,
            .lower_margin = 0x000d,
            .hsync_len = 0x0002,
            .vsync_len = 0x0001,
            .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
            .vmode = FB_VMODE_NONINTERLACED,
      }
};

static struct tmio_fb_data tosa_tc6393xb_fb_config = {
      .lcd_set_power    = tc6393xb_lcd_set_power,
      .lcd_mode   = tc6393xb_lcd_mode,
      .num_modes  = ARRAY_SIZE(tosa_tc6393xb_lcd_mode),
      .modes            = &tosa_tc6393xb_lcd_mode[0],
      .height           = 82,
      .width            = 60,
};
#endif

static struct tc6393xb_platform_data tosa_tc6393xb_data = {
      .scr_pll2cr = 0x0cc1,
      .scr_gper   = 0x3300,

      .irq_base   = IRQ_BOARD_START,
      .gpio_base  = TOSA_TC6393XB_GPIO_BASE,
      .setup            = tosa_tc6393xb_setup,
      .teardown   = tosa_tc6393xb_teardown,

      .enable           = tosa_tc6393xb_enable,
      .disable    = tosa_tc6393xb_disable,
      .suspend    = tosa_tc6393xb_suspend,
      .resume           = tosa_tc6393xb_resume,

      .nand_data  = &tosa_tc6393xb_nand_config,
#ifdef CONFIG_MFD_TC6393XB
      .fb_data    = &tosa_tc6393xb_fb_config,
#endif

      .resume_restore = 1,
};


static struct platform_device tc6393xb_device = {
      .name = "tc6393xb",
      .id   = -1,
      .dev  = {
            .platform_data    = &tosa_tc6393xb_data,
      },
      .num_resources    = ARRAY_SIZE(tc6393xb_resources),
      .resource   = tc6393xb_resources,
};

static struct tosa_bt_data tosa_bt_data = {
      .gpio_pwr   = TOSA_GPIO_BT_PWR_EN,
      .gpio_reset = TOSA_GPIO_BT_RESET,
};

static struct platform_device tosa_bt_device = {
      .name = "tosa-bt",
      .id   = -1,
      .dev.platform_data = &tosa_bt_data,
};

static struct pxa2xx_spi_master pxa_ssp_master_info = {
      .num_chipselect   = 1,
};

static struct spi_board_info spi_board_info[] __initdata = {
      {
            .modalias   = "tosa-lcd",
            // .platform_data
            .max_speed_hz     = 28750,
            .bus_num    = 2,
            .chip_select      = 0,
            .mode       = SPI_MODE_0,
      },
};

static struct mtd_partition sharpsl_rom_parts[] = {
      {
            .name ="Boot PROM Filesystem",
            .offset     = 0x00160000,
            .size = MTDPART_SIZ_FULL,
      },
};

static struct physmap_flash_data sharpsl_rom_data = {
      .width            = 2,
      .nr_parts   = ARRAY_SIZE(sharpsl_rom_parts),
      .parts            = sharpsl_rom_parts,
};

static struct resource sharpsl_rom_resources[] = {
      {
            .start      = 0x00000000,
            .end  = 0x007fffff,
            .flags      = IORESOURCE_MEM,
      },
};

static struct platform_device sharpsl_rom_device = {
      .name = "physmap-flash",
      .id   = -1,
      .resource = sharpsl_rom_resources,
      .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
      .dev.platform_data = &sharpsl_rom_data,
};

static struct platform_device *devices[] __initdata = {
      &tosascoop_device,
      &tosascoop_jc_device,
      &tc6393xb_device,
      &tosa_power_device,
      &tosakbd_device,
      &tosa_gpio_keys_device,
      &tosaled_device,
      &tosa_bt_device,
      &sharpsl_rom_device,
};

static void tosa_poweroff(void)
{
      arm_machine_restart('g', NULL);
}

static void tosa_restart(char mode, const char *cmd)
{
      uint32_t msc0 = __raw_readl(MSC0);

      /* Bootloader magic for a reboot */
      if((msc0 & 0xffff0000) == 0x7ff00000)
            __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);

      tosa_poweroff();
}

static void __init tosa_init(void)
{
      int dummy;

      pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));

      pxa_set_ffuart_info(NULL);
      pxa_set_btuart_info(NULL);
      pxa_set_stuart_info(NULL);

      gpio_set_wake(MFP_PIN_GPIO1, 1);
      /* We can't pass to gpio-keys since it will drop the Reset altfunc */

      init_gpio_reset(TOSA_GPIO_ON_RESET, 0, 0);

      pm_power_off = tosa_poweroff;
      arm_pm_restart = tosa_restart;

      PCFR |= PCFR_OPDE;

      /* enable batt_fault */
      PMCR = 0x01;

      dummy = gpiochip_reserve(TOSA_SCOOP_GPIO_BASE, 12);
      dummy = gpiochip_reserve(TOSA_SCOOP_JC_GPIO_BASE, 12);
      dummy = gpiochip_reserve(TOSA_TC6393XB_GPIO_BASE, 16);

      pxa_set_mci_info(&tosa_mci_platform_data);
      pxa_set_udc_info(&udc_info);
      pxa_set_ficp_info(&tosa_ficp_platform_data);
      pxa_set_i2c_info(NULL);
      pxa_set_ac97_info(NULL);
      platform_scoop_config = &tosa_pcmcia_config;

      pxa2xx_set_spi_info(2, &pxa_ssp_master_info);
      spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));

      clk_add_alias("CLK_CK3P6MI", tc6393xb_device.name, "GPIO11_CLK", NULL);

      platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init fixup_tosa(struct machine_desc *desc,
            struct tag *tags, char **cmdline, struct meminfo *mi)
{
      sharpsl_save_param();
      mi->nr_banks=1;
      mi->bank[0].start = 0xa0000000;
      mi->bank[0].size = (64*1024*1024);
}

MACHINE_START(TOSA, "SHARP Tosa")
      .fixup          = fixup_tosa,
      .map_io         = pxa25x_map_io,
      .nr_irqs    = TOSA_NR_IRQS,
      .init_irq       = pxa25x_init_irq,
      .init_machine   = tosa_init,
      .timer          = &pxa_timer,
MACHINE_END

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