--- /dev/null
+/*
+ * 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
git.openpandora.org / pandora-kernel.git / commitdiff