Logo Search packages:      
Sourcecode: linux version File versions  Download package

magician.c

/*
 * Support for HTC Magician PDA phones:
 * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
 * and T-Mobile MDA Compact.
 *
 * Copyright (c) 2006-2007 Philipp Zabel
 *
 * Based on hx4700.c, spitz.c and others.
 *
 * 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/delay.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/mfd/htc-egpio.h>
#include <linux/mfd/htc-pasic3.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/magician.h>
#include <mach/mfp-pxa27x.h>
#include <mach/pxa-regs.h>
#include <mach/pxa2xx-regs.h>
#include <mach/pxafb.h>
#include <mach/i2c.h>
#include <mach/mmc.h>
#include <mach/irda.h>
#include <mach/ohci.h>

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

static unsigned long magician_pin_config[] __initdata = {

      /* SDRAM and Static Memory I/O Signals */
      GPIO20_nSDCS_2,
      GPIO21_nSDCS_3,
      GPIO15_nCS_1,
      GPIO78_nCS_2,   /* PASIC3 */
      GPIO79_nCS_3,   /* EGPIO CPLD */
      GPIO80_nCS_4,
      GPIO33_nCS_5,

      /* I2C */
      GPIO117_I2C_SCL,
      GPIO118_I2C_SDA,

      /* PWM 0 */
      GPIO16_PWM0_OUT,

      /* I2S */
      GPIO28_I2S_BITCLK_OUT,
      GPIO29_I2S_SDATA_IN,
      GPIO31_I2S_SYNC,
      GPIO113_I2S_SYSCLK,

      /* SSP 2 */
      GPIO19_SSP2_SCLK,
      GPIO14_SSP2_SFRM,
      GPIO89_SSP2_TXD,
      GPIO88_SSP2_RXD,

      /* MMC */
      GPIO32_MMC_CLK,
      GPIO92_MMC_DAT_0,
      GPIO109_MMC_DAT_1,
      GPIO110_MMC_DAT_2,
      GPIO111_MMC_DAT_3,
      GPIO112_MMC_CMD,

      /* LCD */
      GPIO58_LCD_LDD_0,
      GPIO59_LCD_LDD_1,
      GPIO60_LCD_LDD_2,
      GPIO61_LCD_LDD_3,
      GPIO62_LCD_LDD_4,
      GPIO63_LCD_LDD_5,
      GPIO64_LCD_LDD_6,
      GPIO65_LCD_LDD_7,
      GPIO66_LCD_LDD_8,
      GPIO67_LCD_LDD_9,
      GPIO68_LCD_LDD_10,
      GPIO69_LCD_LDD_11,
      GPIO70_LCD_LDD_12,
      GPIO71_LCD_LDD_13,
      GPIO72_LCD_LDD_14,
      GPIO73_LCD_LDD_15,
      GPIO74_LCD_FCLK,
      GPIO75_LCD_LCLK,
      GPIO76_LCD_PCLK,
      GPIO77_LCD_BIAS,

      /* QCI */
      GPIO12_CIF_DD_7,
      GPIO17_CIF_DD_6,
      GPIO50_CIF_DD_3,
      GPIO51_CIF_DD_2,
      GPIO52_CIF_DD_4,
      GPIO53_CIF_MCLK,
      GPIO54_CIF_PCLK,
      GPIO55_CIF_DD_1,
      GPIO81_CIF_DD_0,
      GPIO82_CIF_DD_5,
      GPIO84_CIF_FV,
      GPIO85_CIF_LV,

      /* Magician specific input GPIOs */
      GPIO9_GPIO, /* unknown */
      GPIO10_GPIO,      /* GSM_IRQ */
      GPIO13_GPIO,      /* CPLD_IRQ */
      GPIO107_GPIO,     /* DS1WM_IRQ */
      GPIO108_GPIO,     /* GSM_READY */
      GPIO115_GPIO,     /* nPEN_IRQ */
};

/*
 * IRDA
 */

static void magician_irda_transceiver_mode(struct device *dev, int mode)
{
      gpio_set_value(GPIO83_MAGICIAN_nIR_EN, mode & IR_OFF);
      pxa2xx_transceiver_mode(dev, mode);
}

static struct pxaficp_platform_data magician_ficp_info = {
      .transceiver_cap  = IR_SIRMODE | IR_OFF,
      .transceiver_mode = magician_irda_transceiver_mode,
};

/*
 * GPIO Keys
 */

static struct gpio_keys_button magician_button_table[] = {
      {KEY_POWER,      GPIO0_MAGICIAN_KEY_POWER,      0, "Power button"},
      {KEY_ESC,        GPIO37_MAGICIAN_KEY_HANGUP,    0, "Hangup button"},
      {KEY_F10,        GPIO38_MAGICIAN_KEY_CONTACTS,  0, "Contacts button"},
      {KEY_CALENDAR,   GPIO90_MAGICIAN_KEY_CALENDAR,  0, "Calendar button"},
      {KEY_CAMERA,     GPIO91_MAGICIAN_KEY_CAMERA,    0, "Camera button"},
      {KEY_UP,         GPIO93_MAGICIAN_KEY_UP,        0, "Up button"},
      {KEY_DOWN,       GPIO94_MAGICIAN_KEY_DOWN,      0, "Down button"},
      {KEY_LEFT,       GPIO95_MAGICIAN_KEY_LEFT,      0, "Left button"},
      {KEY_RIGHT,      GPIO96_MAGICIAN_KEY_RIGHT,     0, "Right button"},
      {KEY_KPENTER,    GPIO97_MAGICIAN_KEY_ENTER,     0, "Action button"},
      {KEY_RECORD,     GPIO98_MAGICIAN_KEY_RECORD,    0, "Record button"},
      {KEY_VOLUMEUP,   GPIO100_MAGICIAN_KEY_VOL_UP,   0, "Volume up"},
      {KEY_VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, 0, "Volume down"},
      {KEY_PHONE,      GPIO102_MAGICIAN_KEY_PHONE,    0, "Phone button"},
      {KEY_PLAY,       GPIO99_MAGICIAN_HEADPHONE_IN,  0, "Headset button"},
};

static struct gpio_keys_platform_data gpio_keys_data = {
      .buttons  = magician_button_table,
      .nbuttons = ARRAY_SIZE(magician_button_table),
};

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


/*
 * EGPIO (Xilinx CPLD)
 *
 * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input
 */

static struct resource egpio_resources[] = {
      [0] = {
            .start = PXA_CS3_PHYS,
            .end   = PXA_CS3_PHYS + 0x20,
            .flags = IORESOURCE_MEM,
      },
      [1] = {
            .start = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
            .end   = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
            .flags = IORESOURCE_IRQ,
      },
};

static struct htc_egpio_chip egpio_chips[] = {
      [0] = {
            .reg_start = 0,
            .gpio_base = MAGICIAN_EGPIO(0, 0),
            .num_gpios = 24,
            .direction = HTC_EGPIO_OUTPUT,
            .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
      },
      [1] = {
            .reg_start = 4,
            .gpio_base = MAGICIAN_EGPIO(4, 0),
            .num_gpios = 24,
            .direction = HTC_EGPIO_INPUT,
      },
};

static struct htc_egpio_platform_data egpio_info = {
      .reg_width    = 8,
      .bus_width    = 32,
      .irq_base     = IRQ_BOARD_START,
      .num_irqs     = 4,
      .ack_register = 3,
      .chip         = egpio_chips,
      .num_chips    = ARRAY_SIZE(egpio_chips),
};

static struct platform_device egpio = {
      .name          = "htc-egpio",
      .id            = -1,
      .resource      = egpio_resources,
      .num_resources = ARRAY_SIZE(egpio_resources),
      .dev = {
            .platform_data = &egpio_info,
      },
};

/*
 * LCD - Toppoly TD028STEB1 or Samsung LTP280QV
 */

static struct pxafb_mode_info toppoly_modes[] = {
      {
            .pixclock     = 96153,
            .bpp          = 16,
            .xres         = 240,
            .yres         = 320,
            .hsync_len    = 11,
            .vsync_len    = 3,
            .left_margin  = 19,
            .upper_margin = 2,
            .right_margin = 10,
            .lower_margin = 2,
            .sync         = 0,
      },
};

static struct pxafb_mode_info samsung_modes[] = {
      {
            .pixclock     = 96153,
            .bpp          = 16,
            .xres         = 240,
            .yres         = 320,
            .hsync_len    = 8,
            .vsync_len    = 4,
            .left_margin  = 9,
            .upper_margin = 4,
            .right_margin = 9,
            .lower_margin = 4,
            .sync         = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
      },
};

static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
{
      pr_debug("Toppoly LCD power\n");

      if (on) {
            pr_debug("on\n");
            gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
            udelay(2000);
            gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
            udelay(2000);
            /* FIXME: enable LCDC here */
            udelay(2000);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
            udelay(2000);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
      } else {
            pr_debug("off\n");
            msleep(15);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
            udelay(500);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
            udelay(1000);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
            gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
      }
}

static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
{
      pr_debug("Samsung LCD power\n");

      if (on) {
            pr_debug("on\n");
            if (system_rev < 3)
                  gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
            else
                  gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
            mdelay(10);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
            mdelay(10);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
            mdelay(30);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
            mdelay(10);
      } else {
            pr_debug("off\n");
            mdelay(10);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
            mdelay(30);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
            mdelay(10);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
            mdelay(10);
            if (system_rev < 3)
                  gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
            else
                  gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
      }
}

static struct pxafb_mach_info toppoly_info = {
      .modes           = toppoly_modes,
      .num_modes       = 1,
      .fixed_modes     = 1,
      .lccr0           = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
      .lccr3           = LCCR3_PixRsEdg,
      .pxafb_lcd_power = toppoly_lcd_power,
};

static struct pxafb_mach_info samsung_info = {
      .modes           = samsung_modes,
      .num_modes       = 1,
      .fixed_modes     = 1,
      .lccr0           = LCCR0_LDDALT | LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
      .lccr3           = LCCR3_PixFlEdg,
      .pxafb_lcd_power = samsung_lcd_power,
};

/*
 * Backlight
 */

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

      ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
      if (ret)
            goto err;
      ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
      if (ret)
            goto err2;
      return 0;

err2:
      gpio_free(EGPIO_MAGICIAN_BL_POWER);
err:
      return ret;
}

static int magician_backlight_notify(int brightness)
{
      gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
      if (brightness >= 200) {
            gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
            return brightness - 72;
      } else {
            gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
            return brightness;
      }
}

static void magician_backlight_exit(struct device *dev)
{
      gpio_free(EGPIO_MAGICIAN_BL_POWER);
      gpio_free(EGPIO_MAGICIAN_BL_POWER2);
}

static struct platform_pwm_backlight_data backlight_data = {
      .pwm_id         = 0,
      .max_brightness = 272,
      .dft_brightness = 100,
      .pwm_period_ns  = 30923,
      .init           = magician_backlight_init,
      .notify         = magician_backlight_notify,
      .exit           = magician_backlight_exit,
};

static struct platform_device backlight = {
      .name = "pwm-backlight",
      .id   = -1,
      .dev  = {
            .parent        = &pxa27x_device_pwm0.dev,
            .platform_data = &backlight_data,
      },
};

/*
 * LEDs
 */

static struct gpio_led gpio_leds[] = {
      {
            .name = "magician::vibra",
            .default_trigger = "none",
            .gpio = GPIO22_MAGICIAN_VIBRA_EN,
      },
      {
            .name = "magician::phone_bl",
            .default_trigger = "none",
            .gpio = GPIO103_MAGICIAN_LED_KP,
      },
};

static struct gpio_led_platform_data gpio_led_info = {
      .leds = gpio_leds,
      .num_leds = ARRAY_SIZE(gpio_leds),
};

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

static struct pasic3_led pasic3_leds[] = {
      {
            .led = {
                  .name            = "magician:red",
                  .default_trigger = "ds2760-battery.0-charging",
            },
            .hw_num = 0,
            .bit2   = PASIC3_BIT2_LED0,
            .mask   = PASIC3_MASK_LED0,
      },
      {
            .led = {
                  .name            = "magician:green",
                  .default_trigger = "ds2760-battery.0-charging-or-full",
            },
            .hw_num = 1,
            .bit2   = PASIC3_BIT2_LED1,
            .mask   = PASIC3_MASK_LED1,
      },
      {
            .led = {
                  .name            = "magician:blue",
                  .default_trigger = "bluetooth",
            },
            .hw_num = 2,
            .bit2   = PASIC3_BIT2_LED2,
            .mask   = PASIC3_MASK_LED2,
      },
};

static struct platform_device pasic3;

static struct pasic3_leds_machinfo pasic3_leds_info = {
      .num_leds   = ARRAY_SIZE(pasic3_leds),
      .power_gpio = EGPIO_MAGICIAN_LED_POWER,
      .leds       = pasic3_leds,
};

/*
 * PASIC3 with DS1WM
 */

static struct resource pasic3_resources[] = {
      [0] = {
            .start  = PXA_CS2_PHYS,
            .end  = PXA_CS2_PHYS + 0x1b,
            .flags  = IORESOURCE_MEM,
      },
      /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
      [1] = {
            .start  = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
            .end    = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
            .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
      }
};

static struct pasic3_platform_data pasic3_platform_data = {
      .bus_shift  = 2,
      .led_pdata  = &pasic3_leds_info,
      .clock_rate = 4000000,
};

static struct platform_device pasic3 = {
      .name       = "pasic3",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(pasic3_resources),
      .resource   = pasic3_resources,
      .dev = {
            .platform_data = &pasic3_platform_data,
      },
};

/*
 * External power
 */

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

      ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");
      if (ret)
            goto err_cs_ac;
      ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_USB, "CABLE_STATE_USB");
      if (ret)
            goto err_cs_usb;
      ret = gpio_request(EGPIO_MAGICIAN_CHARGE_EN, "CHARGE_EN");
      if (ret)
            goto err_chg_en;
      ret = gpio_request(GPIO30_MAGICIAN_nCHARGE_EN, "nCHARGE_EN");
      if (!ret)
            ret = gpio_direction_output(GPIO30_MAGICIAN_nCHARGE_EN, 0);
      if (ret)
            goto err_nchg_en;

      return 0;

err_nchg_en:
      gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
err_chg_en:
      gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
err_cs_usb:
      gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
err_cs_ac:
      return ret;
}

static int magician_is_ac_online(void)
{
      return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
}

static int magician_is_usb_online(void)
{
      return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_USB);
}

static void magician_set_charge(int flags)
{
      gpio_set_value(GPIO30_MAGICIAN_nCHARGE_EN, !flags);
      gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);
}

static void power_supply_exit(struct device *dev)
{
      gpio_free(GPIO30_MAGICIAN_nCHARGE_EN);
      gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
      gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
      gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
}

static char *magician_supplicants[] = {
      "ds2760-battery.0", "backup-battery"
};

static struct pda_power_pdata power_supply_info = {
      .init            = power_supply_init,
      .is_ac_online    = magician_is_ac_online,
      .is_usb_online   = magician_is_usb_online,
      .set_charge      = magician_set_charge,
      .exit            = power_supply_exit,
      .supplied_to     = magician_supplicants,
      .num_supplicants = ARRAY_SIZE(magician_supplicants),
};

static struct resource power_supply_resources[] = {
      [0] = {
            .name  = "ac",
            .flags = IORESOURCE_IRQ,
            .start = IRQ_MAGICIAN_AC,
            .end   = IRQ_MAGICIAN_AC,
      },
      [1] = {
            .name  = "usb",
            .flags = IORESOURCE_IRQ,
            .start = IRQ_MAGICIAN_AC,
            .end   = IRQ_MAGICIAN_AC,
      },
};

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


/*
 * MMC/SD
 */

static int magician_mci_init(struct device *dev,
                        irq_handler_t detect_irq, void *data)
{
      int err;

      err = request_irq(IRQ_MAGICIAN_SD, detect_irq,
                        IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
                        "MMC card detect", data);
      if (err)
            goto err_request_irq;
      err = gpio_request(EGPIO_MAGICIAN_SD_POWER, "SD_POWER");
      if (err)
            goto err_request_power;
      err = gpio_request(EGPIO_MAGICIAN_nSD_READONLY, "nSD_READONLY");
      if (err)
            goto err_request_readonly;

      return 0;

err_request_readonly:
      gpio_free(EGPIO_MAGICIAN_SD_POWER);
err_request_power:
      free_irq(IRQ_MAGICIAN_SD, data);
err_request_irq:
      return err;
}

static void magician_mci_setpower(struct device *dev, unsigned int vdd)
{
      struct pxamci_platform_data *pdata = dev->platform_data;

      gpio_set_value(EGPIO_MAGICIAN_SD_POWER, (1 << vdd) & pdata->ocr_mask);
}

static int magician_mci_get_ro(struct device *dev)
{
      return (!gpio_get_value(EGPIO_MAGICIAN_nSD_READONLY));
}

static void magician_mci_exit(struct device *dev, void *data)
{
      gpio_free(EGPIO_MAGICIAN_nSD_READONLY);
      gpio_free(EGPIO_MAGICIAN_SD_POWER);
      free_irq(IRQ_MAGICIAN_SD, data);
}

static struct pxamci_platform_data magician_mci_info = {
      .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
      .init     = magician_mci_init,
      .get_ro   = magician_mci_get_ro,
      .setpower = magician_mci_setpower,
      .exit     = magician_mci_exit,
};


/*
 * USB OHCI
 */

static struct pxaohci_platform_data magician_ohci_info = {
      .port_mode  = PMM_PERPORT_MODE,
      .flags            = ENABLE_PORT1 | ENABLE_PORT3 | POWER_CONTROL_LOW,
      .power_budget     = 0,
};


/*
 * StrataFlash
 */

static void magician_set_vpp(struct map_info *map, int vpp)
{
      gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
}

#define PXA_CS_SIZE           0x04000000

static struct resource strataflash_resource = {
      .start = PXA_CS0_PHYS,
      .end   = PXA_CS0_PHYS + PXA_CS_SIZE - 1,
      .flags = IORESOURCE_MEM,
};

static struct physmap_flash_data strataflash_data = {
      .width = 4,
      .set_vpp = magician_set_vpp,
};

static struct platform_device strataflash = {
      .name          = "physmap-flash",
      .id            = -1,
      .resource      = &strataflash_resource,
      .num_resources = 1,
      .dev = {
            .platform_data = &strataflash_data,
      },
};

/*
 * Platform devices
 */

static struct platform_device *devices[] __initdata = {
      &gpio_keys,
      &egpio,
      &backlight,
      &pasic3,
      &power_supply,
      &strataflash,
      &leds_gpio,
};

static void __init magician_init(void)
{
      void __iomem *cpld;
      int lcd_select;
      int err;

      gpio_request(GPIO13_MAGICIAN_CPLD_IRQ, "CPLD_IRQ");
      gpio_request(GPIO107_MAGICIAN_DS1WM_IRQ, "DS1WM_IRQ");

      pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));

      platform_add_devices(devices, ARRAY_SIZE(devices));

      err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN");
      if (!err) {
            gpio_direction_output(GPIO83_MAGICIAN_nIR_EN, 1);
            pxa_set_ficp_info(&magician_ficp_info);
      }
      pxa_set_i2c_info(NULL);
      pxa_set_mci_info(&magician_mci_info);
      pxa_set_ohci_info(&magician_ohci_info);

      /* Check LCD type we have */
      cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
      if (cpld) {
            u8 board_id = __raw_readb(cpld+0x14);
            iounmap(cpld);
            system_rev = board_id & 0x7;
            lcd_select = board_id & 0x8;
            pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
            if (lcd_select && (system_rev < 3)) {
                  gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");
                  gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
            }
            gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");
            gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");
            gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");
            gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
            gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
            gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
            set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info);
      } else
            pr_err("LCD detection: CPLD mapping failed\n");
}


MACHINE_START(MAGICIAN, "HTC Magician")
      .phys_io = 0x40000000,
      .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .boot_params = 0xa0000100,
      .map_io = pxa_map_io,
      .init_irq = pxa27x_init_irq,
      .init_machine = magician_init,
      .timer = &pxa_timer,
MACHINE_END

Generated by  Doxygen 1.6.0   Back to index