/* * 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/sysdev.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 <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/mfp-pxa27x.h> #include <mach/pxa27x_keypad.h> #include <mach/pxafb.h> #include <mach/pxa2xx-regs.h> #include <mach/mmc.h> #include <mach/udc.h> #include <mach/pxa27x-udc.h> #include <mach/mioa701.h> #include "generic.h" #include "devices.h" static unsigned long mioa701_pin_config[] = { /* Mio global */ MIO_CFG_OUT(GPIO9_CHARGE_nEN, 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), /* 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_USB_DETECT, AF0), MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), /* 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, /* Bluetooth */ GPIO44_BTUART_CTS, GPIO42_BTUART_RXD, GPIO45_BTUART_RTS, GPIO43_BTUART_TXD, MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), /* 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 */ 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, /* Unknown */ MFP_CFG_IN(GPIO14, AF0), 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_OUT(GPIO77, AF0, DRIVE_HIGH), MFP_CFG_IN(GPIO80, AF0), MFP_CFG_OUT(GPIO86, 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 void udc_power_command(int cmd) { switch (cmd) { case PXA2XX_UDC_CMD_DISCONNECT: gpio_set_value(GPIO22_USB_ENABLE, 0); break; case PXA2XX_UDC_CMD_CONNECT: gpio_set_value(GPIO22_USB_ENABLE, 1); break; default: printk(KERN_INFO "udc_control: unknown command (0x%x)!\n", cmd); break; } } static int is_usb_connected(void) { return !!gpio_get_value(GPIO13_USB_DETECT); } static struct pxa2xx_udc_mach_info mioa701_udc_info = { .udc_is_connected = is_usb_connected, .udc_command = udc_power_command, }; struct gpio_ress udc_gpios[] = { MIO_GPIO_OUT(GPIO22_USB_ENABLE, 0, "USB Vbus enable") }; static int __init udc_init(void) { pxa_set_udc_info(&mioa701_udc_info); return mio_gpio_request(ARRAY_AND_SIZE(udc_gpios)); } static void udc_exit(void) { mio_gpio_free(ARRAY_AND_SIZE(udc_gpios)); } /* * SDIO/MMC Card controller */ static void mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data *p_d = dev->platform_data; if ((1 << vdd) & p_d->ocr_mask) gpio_set_value(GPIO91_SDIO_EN, 1); /* enable SDIO power */ else gpio_set_value(GPIO91_SDIO_EN, 0); /* disable SDIO power */ } static int mci_get_ro(struct device *dev) { return gpio_get_value(GPIO78_SDIO_RO); } struct gpio_ress mci_gpios[] = { MIO_GPIO_IN(GPIO78_SDIO_RO, "SDIO readonly detect"), MIO_GPIO_IN(GPIO15_SDIO_INSERT, "SDIO insertion detect"), MIO_GPIO_OUT(GPIO91_SDIO_EN, 0, "SDIO power enable") }; static void mci_exit(struct device *dev, void *data) { mio_gpio_free(ARRAY_AND_SIZE(mci_gpios)); free_irq(gpio_to_irq(GPIO15_SDIO_INSERT), data); } static struct pxamci_platform_data mioa701_mci_info; /** * The card detect interrupt isn't debounced so we delay it by 250ms * to give the card a chance to fully insert/eject. */ static int mci_init(struct device *dev, irq_handler_t detect_int, void *data) { int rc; int irq = gpio_to_irq(GPIO15_SDIO_INSERT); rc = mio_gpio_request(ARRAY_AND_SIZE(mci_gpios)); if (rc) goto err_gpio; /* enable RE/FE interrupt on card insertion and removal */ rc = request_irq(irq, detect_int, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "MMC card detect", data); if (rc) goto err_irq; mioa701_mci_info.detect_delay = msecs_to_jiffies(250); return 0; err_irq: dev_err(dev, "mioa701_mci_init: MMC/SD:" " can't request MMC card detect IRQ\n"); mio_gpio_free(ARRAY_AND_SIZE(mci_gpios)); err_gpio: return rc; } static struct pxamci_platform_data mioa701_mci_info = { .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .init = mci_init, .get_ro = mci_get_ro, .setpower = mci_setpower, .exit = mci_exit, }; /* 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 dependant. 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(struct sys_device *sysdev, pm_message_t state) { 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 int mioa701_sys_resume(struct sys_device *sysdev) { 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++]; return 0; } static struct sysdev_class mioa701_sysclass = { .name = "mioa701", }; static struct sys_device sysdev_bootstrap = { .cls = &mioa701_sysclass, }; static struct sysdev_driver driver_bootstrap = { .suspend = &mioa701_sys_suspend, .resume = &mioa701_sys_resume, }; static int __init bootstrap_init(void) { int rc; int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); rc = sysdev_class_register(&mioa701_sysclass); if (rc) { printk(KERN_ERR "Failed registering mioa701 sys class\n"); return -ENODEV; } rc = sysdev_register(&sysdev_bootstrap); if (rc) { printk(KERN_ERR "Failed registering mioa701 sys device\n"); return -ENODEV; } rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap); if (rc) { printk(KERN_ERR "Failed registering PMU sys driver\n"); return -ENODEV; } 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); sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap); sysdev_unregister(&sysdev_bootstrap); sysdev_class_unregister(&mioa701_sysclass); printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" "resume !!!\n"); } /* * Power Supply */ static char *supplicants[] = { "mioa701_battery" }; static void mioa701_set_charge(int flags) { gpio_set_value(GPIO9_CHARGE_nEN, !flags); } static struct pda_power_pdata power_pdata = { .is_ac_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(GPIO13_USB_DETECT), .end = gpio_to_irq(GPIO13_USB_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, }, }; #if defined(CONFIG_PDA_POWER) && defined(CONFIG_TOUCHSCREEN_WM97XX) static struct wm97xx *battery_wm; static enum power_supply_property battery_props[] = { POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, /* Necessary for apm */ }; static int get_battery_voltage(void) { int adc = -1; if (battery_wm) adc = wm97xx_read_aux_adc(battery_wm, WM97XX_AUX_ID1); return adc; } static int get_battery_status(struct power_supply *b) { int status; if (is_usb_connected()) status = POWER_SUPPLY_STATUS_CHARGING; else status = POWER_SUPPLY_STATUS_DISCHARGING; return status; } static int get_property(struct power_supply *b, enum power_supply_property psp, union power_supply_propval *val) { int rc = 0; switch (psp) { case POWER_SUPPLY_PROP_STATUS: val->intval = get_battery_status(b); break; case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: val->intval = 0xfd0; break; case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: val->intval = 0xc00; break; case POWER_SUPPLY_PROP_VOLTAGE_NOW: val->intval = get_battery_voltage(); break; case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: val->intval = 100; break; default: val->intval = -1; rc = -1; } return rc; }; static struct power_supply battery_ps = { .name = "mioa701_battery", .type = POWER_SUPPLY_TYPE_BATTERY, .get_property = get_property, .properties = battery_props, .num_properties = ARRAY_SIZE(battery_props), }; static int battery_probe(struct platform_device *pdev) { struct wm97xx *wm = platform_get_drvdata(pdev); int rc; battery_wm = wm; rc = power_supply_register(NULL, &battery_ps); if (rc) dev_err(&pdev->dev, "Could not register mioa701 battery -> %d\n", rc); return rc; } static int battery_remove(struct platform_device *pdev) { battery_wm = NULL; return 0; } static struct platform_driver mioa701_battery_driver = { .driver = { .name = "wm97xx-battery", }, .probe = battery_probe, .remove = battery_remove }; static int __init mioa701_battery_init(void) { int rc; rc = platform_driver_register(&mioa701_battery_driver); if (rc) printk(KERN_ERR "Could not register mioa701 battery driver\n"); return rc; } #else static int __init mioa701_battery_init(void) { return 0; } #endif /* * 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(pxa2xx_ac97, "pxa2xx-ac97", NULL) MIO_PARENT_DEV(mio_wm9713_codec, "wm9713-codec", &pxa2xx_ac97.dev, NULL) MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) static struct platform_device *devices[] __initdata = { &mioa701_gpio_keys, &mioa701_backlight, &mioa701_led, &pxa2xx_pcm, &pxa2xx_ac97, &mio_wm9713_codec, &mioa701_sound, &power_dev, &strataflash, &mioa701_board }; static void mioa701_machine_exit(void); static void mioa701_poweroff(void) { mioa701_machine_exit(); gpio_set_value(GPIO18_POWEROFF, 1); } static void mioa701_restart(char c) { mioa701_machine_exit(); arm_machine_restart(c); } struct gpio_ress global_gpios[] = { MIO_GPIO_OUT(GPIO9_CHARGE_nEN, 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)); mio_gpio_request(ARRAY_AND_SIZE(global_gpios)); bootstrap_init(); set_pxa_fb_info(&mioa701_pxafb_info); pxa_set_mci_info(&mioa701_mci_info); pxa_set_keypad_info(&mioa701_keypad_info); udc_init(); pm_power_off = mioa701_poweroff; arm_pm_restart = mioa701_restart; platform_add_devices(devices, ARRAY_SIZE(devices)); gsm_init(); mioa701_battery_init(); } static void mioa701_machine_exit(void) { udc_exit(); bootstrap_exit(); gsm_exit(); } MACHINE_START(MIOA701, "MIO A701") .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 = mioa701_machine_init, .timer = &pxa_timer, MACHINE_END