|  | /* | 
|  | * Handles the Mitac Mio A701 Board | 
|  | * | 
|  | * Copyright (C) 2008 Robert Jarzmik | 
|  | * | 
|  | * 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 | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/syscore_ops.h> | 
|  | #include <linux/input.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/gpio_keys.h> | 
|  | #include <linux/pwm_backlight.h> | 
|  | #include <linux/rtc.h> | 
|  | #include <linux/leds.h> | 
|  | #include <linux/gpio.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/irq.h> | 
|  | #include <linux/pda_power.h> | 
|  | #include <linux/power_supply.h> | 
|  | #include <linux/wm97xx.h> | 
|  | #include <linux/mtd/physmap.h> | 
|  | #include <linux/usb/gpio_vbus.h> | 
|  | #include <linux/regulator/max1586.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/i2c/pxa-i2c.h> | 
|  |  | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/mach/arch.h> | 
|  |  | 
|  | #include <mach/pxa27x.h> | 
|  | #include <mach/regs-rtc.h> | 
|  | #include <plat/pxa27x_keypad.h> | 
|  | #include <mach/pxafb.h> | 
|  | #include <mach/mmc.h> | 
|  | #include <mach/udc.h> | 
|  | #include <mach/pxa27x-udc.h> | 
|  | #include <mach/camera.h> | 
|  | #include <mach/audio.h> | 
|  | #include <media/soc_camera.h> | 
|  |  | 
|  | #include <mach/mioa701.h> | 
|  |  | 
|  | #include "generic.h" | 
|  | #include "devices.h" | 
|  |  | 
|  | static unsigned long mioa701_pin_config[] = { | 
|  | /* Mio global */ | 
|  | MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), | 
|  | MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), | 
|  | MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), | 
|  | MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), | 
|  |  | 
|  | /* Backlight PWM 0 */ | 
|  | GPIO16_PWM0_OUT, | 
|  |  | 
|  | /* MMC */ | 
|  | GPIO32_MMC_CLK, | 
|  | GPIO92_MMC_DAT_0, | 
|  | GPIO109_MMC_DAT_1, | 
|  | GPIO110_MMC_DAT_2, | 
|  | GPIO111_MMC_DAT_3, | 
|  | GPIO112_MMC_CMD, | 
|  | MIO_CFG_IN(GPIO78_SDIO_RO, AF0), | 
|  | MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0), | 
|  | MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW), | 
|  |  | 
|  | /* USB */ | 
|  | MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), | 
|  | MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), | 
|  |  | 
|  | /* LCD */ | 
|  | GPIOxx_LCD_TFT_16BPP, | 
|  |  | 
|  | /* 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, | 
|  |  | 
|  | /* Bluetooth */ | 
|  | MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), | 
|  | GPIO44_BTUART_CTS, | 
|  | GPIO42_BTUART_RXD, | 
|  | GPIO45_BTUART_RTS, | 
|  | GPIO43_BTUART_TXD, | 
|  | MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), | 
|  | MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), | 
|  |  | 
|  | /* GPS */ | 
|  | MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW), | 
|  | MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW), | 
|  | MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW), | 
|  | MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW), | 
|  | MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW), | 
|  | GPIO46_STUART_RXD, | 
|  | GPIO47_STUART_TXD, | 
|  |  | 
|  | /* GSM */ | 
|  | MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW), | 
|  | MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0), | 
|  | MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH, | 
|  | GPIO34_FFUART_RXD, | 
|  | GPIO35_FFUART_CTS, | 
|  | GPIO36_FFUART_DCD, | 
|  | GPIO37_FFUART_DSR, | 
|  | GPIO39_FFUART_TXD, | 
|  | GPIO40_FFUART_DTR, | 
|  | GPIO41_FFUART_RTS, | 
|  |  | 
|  | /* Sound */ | 
|  | GPIO28_AC97_BITCLK, | 
|  | GPIO29_AC97_SDATA_IN_0, | 
|  | GPIO30_AC97_SDATA_OUT, | 
|  | GPIO31_AC97_SYNC, | 
|  | GPIO89_AC97_SYSCLK, | 
|  | MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0), | 
|  |  | 
|  | /* Leds */ | 
|  | MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH), | 
|  | MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH), | 
|  |  | 
|  | /* Keyboard */ | 
|  | MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH, | 
|  | MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0), | 
|  | MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0), | 
|  | GPIO100_KP_MKIN_0, | 
|  | GPIO101_KP_MKIN_1, | 
|  | GPIO102_KP_MKIN_2, | 
|  | GPIO103_KP_MKOUT_0, | 
|  | GPIO104_KP_MKOUT_1, | 
|  | GPIO105_KP_MKOUT_2, | 
|  |  | 
|  | /* I2C */ | 
|  | GPIO117_I2C_SCL, | 
|  | GPIO118_I2C_SDA, | 
|  |  | 
|  | /* Unknown */ | 
|  | MFP_CFG_IN(GPIO20, AF0), | 
|  | MFP_CFG_IN(GPIO21, AF0), | 
|  | MFP_CFG_IN(GPIO33, AF0), | 
|  | MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH), | 
|  | MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), | 
|  | MFP_CFG_IN(GPIO96, AF0), | 
|  | MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), | 
|  | }; | 
|  |  | 
|  | #define MIO_GPIO_IN(num, _desc) \ | 
|  | { .gpio = (num), .dir = 0, .desc = (_desc) } | 
|  | #define MIO_GPIO_OUT(num, _init, _desc) \ | 
|  | { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) } | 
|  | struct gpio_ress { | 
|  | unsigned gpio : 8; | 
|  | unsigned dir : 1; | 
|  | unsigned init : 1; | 
|  | char *desc; | 
|  | }; | 
|  |  | 
|  | static int mio_gpio_request(struct gpio_ress *gpios, int size) | 
|  | { | 
|  | int i, rc = 0; | 
|  | int gpio; | 
|  | int dir; | 
|  |  | 
|  | for (i = 0; (!rc) && (i < size); i++) { | 
|  | gpio = gpios[i].gpio; | 
|  | dir = gpios[i].dir; | 
|  | rc = gpio_request(gpio, gpios[i].desc); | 
|  | if (rc) { | 
|  | printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n", | 
|  | gpio, gpios[i].desc, rc); | 
|  | continue; | 
|  | } | 
|  | if (dir) | 
|  | gpio_direction_output(gpio, gpios[i].init); | 
|  | else | 
|  | gpio_direction_input(gpio); | 
|  | } | 
|  | while ((rc) && (--i >= 0)) | 
|  | gpio_free(gpios[i].gpio); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | static void mio_gpio_free(struct gpio_ress *gpios, int size) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < size; i++) | 
|  | gpio_free(gpios[i].gpio); | 
|  | } | 
|  |  | 
|  | /* LCD Screen and Backlight */ | 
|  | static struct platform_pwm_backlight_data mioa701_backlight_data = { | 
|  | .pwm_id		= 0, | 
|  | .max_brightness	= 100, | 
|  | .dft_brightness	= 50, | 
|  | .pwm_period_ns	= 4000 * 1024,	/* Fl = 250kHz */ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * LTM0305A776C LCD panel timings | 
|  | * | 
|  | * see: | 
|  | *  - the LTM0305A776C datasheet, | 
|  | *  - and the PXA27x Programmers' manual | 
|  | */ | 
|  | static struct pxafb_mode_info mioa701_ltm0305a776c = { | 
|  | .pixclock		= 220000,	/* CLK=4.545 MHz */ | 
|  | .xres			= 240, | 
|  | .yres			= 320, | 
|  | .bpp			= 16, | 
|  | .hsync_len		= 4, | 
|  | .vsync_len		= 2, | 
|  | .left_margin		= 6, | 
|  | .right_margin		= 4, | 
|  | .upper_margin		= 5, | 
|  | .lower_margin		= 3, | 
|  | }; | 
|  |  | 
|  | static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) | 
|  | { | 
|  | gpio_set_value(GPIO87_LCD_POWER, on); | 
|  | } | 
|  |  | 
|  | static struct pxafb_mach_info mioa701_pxafb_info = { | 
|  | .modes			= &mioa701_ltm0305a776c, | 
|  | .num_modes		= 1, | 
|  | .lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | 
|  | .pxafb_lcd_power	= mioa701_lcd_power, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Keyboard configuration | 
|  | */ | 
|  | static unsigned int mioa701_matrix_keys[] = { | 
|  | KEY(0, 0, KEY_UP), | 
|  | KEY(0, 1, KEY_RIGHT), | 
|  | KEY(0, 2, KEY_MEDIA), | 
|  | KEY(1, 0, KEY_DOWN), | 
|  | KEY(1, 1, KEY_ENTER), | 
|  | KEY(1, 2, KEY_CONNECT),	/* GPS key */ | 
|  | KEY(2, 0, KEY_LEFT), | 
|  | KEY(2, 1, KEY_PHONE),	/* Phone Green key */ | 
|  | KEY(2, 2, KEY_CAMERA)	/* Camera key */ | 
|  | }; | 
|  | static struct pxa27x_keypad_platform_data mioa701_keypad_info = { | 
|  | .matrix_key_rows = 3, | 
|  | .matrix_key_cols = 3, | 
|  | .matrix_key_map = mioa701_matrix_keys, | 
|  | .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys), | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * GPIO Key Configuration | 
|  | */ | 
|  | #define MIO_KEY(key, _gpio, _desc, _wakeup) \ | 
|  | { .code = (key), .gpio = (_gpio), .active_low = 0, \ | 
|  | .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } | 
|  | static struct gpio_keys_button mioa701_button_table[] = { | 
|  | MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), | 
|  | MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), | 
|  | MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), | 
|  | MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) | 
|  | }; | 
|  |  | 
|  | static struct gpio_keys_platform_data mioa701_gpio_keys_data = { | 
|  | .buttons  = mioa701_button_table, | 
|  | .nbuttons = ARRAY_SIZE(mioa701_button_table), | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Leds and vibrator | 
|  | */ | 
|  | #define ONE_LED(_gpio, _name) \ | 
|  | { .gpio = (_gpio), .name = (_name), .active_low = true } | 
|  | static struct gpio_led gpio_leds[] = { | 
|  | ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), | 
|  | ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), | 
|  | ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), | 
|  | ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), | 
|  | ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") | 
|  | }; | 
|  |  | 
|  | static struct gpio_led_platform_data gpio_led_info = { | 
|  | .leds = gpio_leds, | 
|  | .num_leds = ARRAY_SIZE(gpio_leds), | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * GSM Sagem XS200 chip | 
|  | * | 
|  | * GSM handling was purged from kernel. For history, this is the way to go : | 
|  | *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 | 
|  | *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 | 
|  | *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), | 
|  | *             GPIO24_GSM_MOD_RESET_CMD = 0 | 
|  | *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), | 
|  | *                GPIO88_GSM_nMOD_ON_CMD = 1 | 
|  | *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), | 
|  | *                GPIO90_GSM_nMOD_OFF_CMD = 1 | 
|  | */ | 
|  | static int is_gsm_on(void) | 
|  | { | 
|  | int is_on; | 
|  |  | 
|  | is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); | 
|  | return is_on; | 
|  | } | 
|  |  | 
|  | irqreturn_t gsm_on_irq(int irq, void *p) | 
|  | { | 
|  | printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", | 
|  | is_gsm_on() ? "on" : "off"); | 
|  | return IRQ_HANDLED; | 
|  | } | 
|  |  | 
|  | struct gpio_ress gsm_gpios[] = { | 
|  | MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"), | 
|  | MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"), | 
|  | }; | 
|  |  | 
|  | static int __init gsm_init(void) | 
|  | { | 
|  | int rc; | 
|  |  | 
|  | rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios)); | 
|  | if (rc) | 
|  | goto err_gpio; | 
|  | rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, | 
|  | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | 
|  | "GSM XS200 Power Irq", NULL); | 
|  | if (rc) | 
|  | goto err_irq; | 
|  |  | 
|  | gpio_set_wake(GPIO113_GSM_EVENT, 1); | 
|  | return 0; | 
|  |  | 
|  | err_irq: | 
|  | printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); | 
|  | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | 
|  | err_gpio: | 
|  | printk(KERN_ERR "Mioa701: gsm not available\n"); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | static void gsm_exit(void) | 
|  | { | 
|  | free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); | 
|  | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Bluetooth BRF6150 chip | 
|  | * | 
|  | * BT handling was purged from kernel. For history, this is the way to go : | 
|  | * - turn on  : GPIO83_BT_ON = 1 | 
|  | * - turn off : GPIO83_BT_ON = 0 | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * GPS Sirf Star III chip | 
|  | * | 
|  | * GPS handling was purged from kernel. For history, this is the way to go : | 
|  | * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | 
|  | *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 | 
|  | * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 | 
|  | * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * USB UDC | 
|  | */ | 
|  | static int is_usb_connected(void) | 
|  | { | 
|  | return !gpio_get_value(GPIO13_nUSB_DETECT); | 
|  | } | 
|  |  | 
|  | static struct pxa2xx_udc_mach_info mioa701_udc_info = { | 
|  | .udc_is_connected = is_usb_connected, | 
|  | .gpio_pullup	  = GPIO22_USB_ENABLE, | 
|  | }; | 
|  |  | 
|  | struct gpio_vbus_mach_info gpio_vbus_data = { | 
|  | .gpio_vbus = GPIO13_nUSB_DETECT, | 
|  | .gpio_vbus_inverted = 1, | 
|  | .gpio_pullup = -1, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * SDIO/MMC Card controller | 
|  | */ | 
|  | /** | 
|  | * The card detect interrupt isn't debounced so we delay it by 250ms | 
|  | * to give the card a chance to fully insert/eject. | 
|  | */ | 
|  | static struct pxamci_platform_data mioa701_mci_info = { | 
|  | .detect_delay_ms	= 250, | 
|  | .ocr_mask 		= MMC_VDD_32_33 | MMC_VDD_33_34, | 
|  | .gpio_card_detect	= GPIO15_SDIO_INSERT, | 
|  | .gpio_card_ro		= GPIO78_SDIO_RO, | 
|  | .gpio_power		= GPIO91_SDIO_EN, | 
|  | }; | 
|  |  | 
|  | /* FlashRAM */ | 
|  | static struct resource strataflash_resource = { | 
|  | .start = PXA_CS0_PHYS, | 
|  | .end   = PXA_CS0_PHYS + SZ_64M - 1, | 
|  | .flags = IORESOURCE_MEM, | 
|  | }; | 
|  |  | 
|  | static struct physmap_flash_data strataflash_data = { | 
|  | .width = 2, | 
|  | /* .set_vpp = mioa701_set_vpp, */ | 
|  | }; | 
|  |  | 
|  | static struct platform_device strataflash = { | 
|  | .name	       = "physmap-flash", | 
|  | .id	       = -1, | 
|  | .resource      = &strataflash_resource, | 
|  | .num_resources = 1, | 
|  | .dev = { | 
|  | .platform_data = &strataflash_data, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Suspend/Resume bootstrap management | 
|  | * | 
|  | * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled, | 
|  | * this sequence is as follows : | 
|  | *   - disables interrupts | 
|  | *   - initialize SDRAM (self refresh RAM into active RAM) | 
|  | *   - initialize GPIOs (depends on value at 0xa020b020) | 
|  | *   - initialize coprossessors | 
|  | *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start | 
|  | *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start | 
|  | *   - else do a resume, ie. jump to addr 0xa0100000 | 
|  | */ | 
|  | #define RESUME_ENABLE_ADDR	0xa020b000 | 
|  | #define RESUME_ENABLE_VAL	0x0f0f0f0f | 
|  | #define RESUME_BT_ADDR		0xa020b020 | 
|  | #define RESUME_UNKNOWN_ADDR	0xa020b024 | 
|  | #define RESUME_VECTOR_ADDR	0xa0100000 | 
|  | #define BOOTSTRAP_WORDS		mioa701_bootstrap_lg/4 | 
|  |  | 
|  | static u32 *save_buffer; | 
|  |  | 
|  | static void install_bootstrap(void) | 
|  | { | 
|  | int i; | 
|  | u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR); | 
|  | u32 *src = &mioa701_bootstrap; | 
|  |  | 
|  | for (i = 0; i < BOOTSTRAP_WORDS; i++) | 
|  | rom_bootstrap[i] = src[i]; | 
|  | } | 
|  |  | 
|  |  | 
|  | static int mioa701_sys_suspend(void) | 
|  | { | 
|  | int i = 0, is_bt_on; | 
|  | u32 *mem_resume_vector	= phys_to_virt(RESUME_VECTOR_ADDR); | 
|  | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | 
|  | u32 *mem_resume_bt	= phys_to_virt(RESUME_BT_ADDR); | 
|  | u32 *mem_resume_unknown	= phys_to_virt(RESUME_UNKNOWN_ADDR); | 
|  |  | 
|  | /* Devices prepare suspend */ | 
|  | is_bt_on = !!gpio_get_value(GPIO83_BT_ON); | 
|  | pxa2xx_mfp_set_lpm(GPIO83_BT_ON, | 
|  | is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); | 
|  |  | 
|  | for (i = 0; i < BOOTSTRAP_WORDS; i++) | 
|  | save_buffer[i] = mem_resume_vector[i]; | 
|  | save_buffer[i++] = *mem_resume_enabler; | 
|  | save_buffer[i++] = *mem_resume_bt; | 
|  | save_buffer[i++] = *mem_resume_unknown; | 
|  |  | 
|  | *mem_resume_enabler = RESUME_ENABLE_VAL; | 
|  | *mem_resume_bt	    = is_bt_on; | 
|  |  | 
|  | install_bootstrap(); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void mioa701_sys_resume(void) | 
|  | { | 
|  | int i = 0; | 
|  | u32 *mem_resume_vector	= phys_to_virt(RESUME_VECTOR_ADDR); | 
|  | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | 
|  | u32 *mem_resume_bt	= phys_to_virt(RESUME_BT_ADDR); | 
|  | u32 *mem_resume_unknown	= phys_to_virt(RESUME_UNKNOWN_ADDR); | 
|  |  | 
|  | for (i = 0; i < BOOTSTRAP_WORDS; i++) | 
|  | mem_resume_vector[i] = save_buffer[i]; | 
|  | *mem_resume_enabler = save_buffer[i++]; | 
|  | *mem_resume_bt	    = save_buffer[i++]; | 
|  | *mem_resume_unknown = save_buffer[i++]; | 
|  | } | 
|  |  | 
|  | static struct syscore_ops mioa701_syscore_ops = { | 
|  | .suspend	= mioa701_sys_suspend, | 
|  | .resume		= mioa701_sys_resume, | 
|  | }; | 
|  |  | 
|  | static int __init bootstrap_init(void) | 
|  | { | 
|  | int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); | 
|  |  | 
|  | register_syscore_ops(&mioa701_syscore_ops); | 
|  |  | 
|  | save_buffer = kmalloc(save_size, GFP_KERNEL); | 
|  | if (!save_buffer) | 
|  | return -ENOMEM; | 
|  | printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", | 
|  | save_size); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void bootstrap_exit(void) | 
|  | { | 
|  | kfree(save_buffer); | 
|  | unregister_syscore_ops(&mioa701_syscore_ops); | 
|  |  | 
|  | printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" | 
|  | "resume !!!\n"); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Power Supply | 
|  | */ | 
|  | static char *supplicants[] = { | 
|  | "mioa701_battery" | 
|  | }; | 
|  |  | 
|  | static int is_ac_connected(void) | 
|  | { | 
|  | return gpio_get_value(GPIO96_AC_DETECT); | 
|  | } | 
|  |  | 
|  | static void mioa701_set_charge(int flags) | 
|  | { | 
|  | gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); | 
|  | } | 
|  |  | 
|  | static struct pda_power_pdata power_pdata = { | 
|  | .is_ac_online	= is_ac_connected, | 
|  | .is_usb_online	= is_usb_connected, | 
|  | .set_charge = mioa701_set_charge, | 
|  | .supplied_to = supplicants, | 
|  | .num_supplicants = ARRAY_SIZE(supplicants), | 
|  | }; | 
|  |  | 
|  | static struct resource power_resources[] = { | 
|  | [0] = { | 
|  | .name	= "ac", | 
|  | .start	= gpio_to_irq(GPIO96_AC_DETECT), | 
|  | .end	= gpio_to_irq(GPIO96_AC_DETECT), | 
|  | .flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | | 
|  | IORESOURCE_IRQ_LOWEDGE, | 
|  | }, | 
|  | [1] = { | 
|  | .name	= "usb", | 
|  | .start	= gpio_to_irq(GPIO13_nUSB_DETECT), | 
|  | .end	= gpio_to_irq(GPIO13_nUSB_DETECT), | 
|  | .flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | | 
|  | IORESOURCE_IRQ_LOWEDGE, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device power_dev = { | 
|  | .name		= "pda-power", | 
|  | .id		= -1, | 
|  | .resource	= power_resources, | 
|  | .num_resources	= ARRAY_SIZE(power_resources), | 
|  | .dev = { | 
|  | .platform_data	= &power_pdata, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct wm97xx_batt_pdata mioa701_battery_data = { | 
|  | .batt_aux	= WM97XX_AUX_ID1, | 
|  | .temp_aux	= -1, | 
|  | .charge_gpio	= -1, | 
|  | .min_voltage	= 0xc00, | 
|  | .max_voltage	= 0xfc0, | 
|  | .batt_tech	= POWER_SUPPLY_TECHNOLOGY_LION, | 
|  | .batt_div	= 1, | 
|  | .batt_mult	= 1, | 
|  | .batt_name	= "mioa701_battery", | 
|  | }; | 
|  |  | 
|  | static struct wm97xx_pdata mioa701_wm97xx_pdata = { | 
|  | .batt_pdata	= &mioa701_battery_data, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Voltage regulation | 
|  | */ | 
|  | static struct regulator_consumer_supply max1586_consumers[] = { | 
|  | { | 
|  | .supply = "vcc_core", | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct regulator_init_data max1586_v3_info = { | 
|  | .constraints = { | 
|  | .name = "vcc_core range", | 
|  | .min_uV = 1000000, | 
|  | .max_uV = 1705000, | 
|  | .always_on = 1, | 
|  | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | 
|  | }, | 
|  | .num_consumer_supplies = ARRAY_SIZE(max1586_consumers), | 
|  | .consumer_supplies = max1586_consumers, | 
|  | }; | 
|  |  | 
|  | static struct max1586_subdev_data max1586_subdevs[] = { | 
|  | { .name = "vcc_core", .id = MAX1586_V3, | 
|  | .platform_data = &max1586_v3_info }, | 
|  | }; | 
|  |  | 
|  | static struct max1586_platform_data max1586_info = { | 
|  | .subdevs = max1586_subdevs, | 
|  | .num_subdevs = ARRAY_SIZE(max1586_subdevs), | 
|  | .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Camera interface | 
|  | */ | 
|  | struct pxacamera_platform_data mioa701_pxacamera_platform_data = { | 
|  | .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | | 
|  | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, | 
|  | .mclk_10khz = 5000, | 
|  | }; | 
|  |  | 
|  | static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("max1586", 0x14), | 
|  | .platform_data = &max1586_info, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* Board I2C devices. */ | 
|  | static struct i2c_board_info mioa701_i2c_devices[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("mt9m111", 0x5d), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct soc_camera_link iclink = { | 
|  | .bus_id		= 0, /* Match id in pxa27x_device_camera in device.c */ | 
|  | .board_info	= &mioa701_i2c_devices[0], | 
|  | .i2c_adapter_id	= 0, | 
|  | }; | 
|  |  | 
|  | struct i2c_pxa_platform_data i2c_pdata = { | 
|  | .fast_mode = 1, | 
|  | }; | 
|  |  | 
|  | static pxa2xx_audio_ops_t mioa701_ac97_info = { | 
|  | .reset_gpio = 95, | 
|  | .codec_pdata = { &mioa701_wm97xx_pdata, }, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Mio global | 
|  | */ | 
|  |  | 
|  | /* Devices */ | 
|  | #define MIO_PARENT_DEV(var, strname, tparent, pdata)	\ | 
|  | static struct platform_device var = {			\ | 
|  | .name		= strname,			\ | 
|  | .id		= -1,				\ | 
|  | .dev		= {				\ | 
|  | .platform_data = pdata,			\ | 
|  | .parent	= tparent,			\ | 
|  | },						\ | 
|  | }; | 
|  | #define MIO_SIMPLE_DEV(var, strname, pdata)	\ | 
|  | MIO_PARENT_DEV(var, strname, NULL, pdata) | 
|  |  | 
|  | MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",	    &mioa701_gpio_keys_data) | 
|  | MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev, | 
|  | &mioa701_backlight_data); | 
|  | MIO_SIMPLE_DEV(mioa701_led,	  "leds-gpio",	    &gpio_led_info) | 
|  | MIO_SIMPLE_DEV(pxa2xx_pcm,	  "pxa2xx-pcm",	    NULL) | 
|  | MIO_SIMPLE_DEV(mioa701_sound,	  "mioa701-wm9713", NULL) | 
|  | MIO_SIMPLE_DEV(mioa701_board,	  "mioa701-board",  NULL) | 
|  | MIO_SIMPLE_DEV(gpio_vbus,	  "gpio-vbus",      &gpio_vbus_data); | 
|  | MIO_SIMPLE_DEV(mioa701_camera,	  "soc-camera-pdrv",&iclink); | 
|  |  | 
|  | static struct platform_device *devices[] __initdata = { | 
|  | &mioa701_gpio_keys, | 
|  | &mioa701_backlight, | 
|  | &mioa701_led, | 
|  | &pxa2xx_pcm, | 
|  | &mioa701_sound, | 
|  | &power_dev, | 
|  | &strataflash, | 
|  | &gpio_vbus, | 
|  | &mioa701_camera, | 
|  | &mioa701_board, | 
|  | }; | 
|  |  | 
|  | static void mioa701_machine_exit(void); | 
|  |  | 
|  | static void mioa701_poweroff(void) | 
|  | { | 
|  | mioa701_machine_exit(); | 
|  | arm_machine_restart('s', NULL); | 
|  | } | 
|  |  | 
|  | static void mioa701_restart(char c, const char *cmd) | 
|  | { | 
|  | mioa701_machine_exit(); | 
|  | arm_machine_restart('s', cmd); | 
|  | } | 
|  |  | 
|  | static struct gpio_ress global_gpios[] = { | 
|  | MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"), | 
|  | MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"), | 
|  | MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"), | 
|  | }; | 
|  |  | 
|  | static void __init mioa701_machine_init(void) | 
|  | { | 
|  | PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ | 
|  | PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; | 
|  | RTTR = 32768 - 1; /* Reset crazy WinCE value */ | 
|  | UP2OCR = UP2OCR_HXOE; | 
|  |  | 
|  | pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); | 
|  | pxa_set_ffuart_info(NULL); | 
|  | pxa_set_btuart_info(NULL); | 
|  | pxa_set_stuart_info(NULL); | 
|  | mio_gpio_request(ARRAY_AND_SIZE(global_gpios)); | 
|  | bootstrap_init(); | 
|  | pxa_set_fb_info(NULL, &mioa701_pxafb_info); | 
|  | pxa_set_mci_info(&mioa701_mci_info); | 
|  | pxa_set_keypad_info(&mioa701_keypad_info); | 
|  | pxa_set_udc_info(&mioa701_udc_info); | 
|  | pxa_set_ac97_info(&mioa701_ac97_info); | 
|  | pm_power_off = mioa701_poweroff; | 
|  | arm_pm_restart = mioa701_restart; | 
|  | platform_add_devices(devices, ARRAY_SIZE(devices)); | 
|  | gsm_init(); | 
|  |  | 
|  | i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices)); | 
|  | pxa_set_i2c_info(&i2c_pdata); | 
|  | pxa27x_set_i2c_power_info(NULL); | 
|  | pxa_set_camera_info(&mioa701_pxacamera_platform_data); | 
|  | } | 
|  |  | 
|  | static void mioa701_machine_exit(void) | 
|  | { | 
|  | bootstrap_exit(); | 
|  | gsm_exit(); | 
|  | } | 
|  |  | 
|  | MACHINE_START(MIOA701, "MIO A701") | 
|  | .boot_params	= 0xa0000100, | 
|  | .map_io		= &pxa27x_map_io, | 
|  | .init_irq	= &pxa27x_init_irq, | 
|  | .init_machine	= mioa701_machine_init, | 
|  | .timer		= &pxa_timer, | 
|  | MACHINE_END |