Merge branch 'for-linus' of git://android.git.kernel.org/kernel/tegra
[pandora-kernel.git] / arch / arm / mach-s3c2410 / mach-h1940.c
index 1a81fe1..2a2fa06 100644 (file)
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
 #include <linux/pwm_backlight.h>
 #include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/pda_power.h>
+#include <linux/s3c_adc_battery.h>
+#include <linux/delay.h>
+
 #include <video/platform_lcd.h>
 
 #include <linux/mmc/host.h>
@@ -162,29 +169,10 @@ struct gpio_chip h1940_latch_gpiochip = {
        .get                    = h1940_gpiolib_latch_get,
 };
 
-static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
-{
-       printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
-
-       switch (cmd)
-       {
-               case S3C2410_UDC_P_ENABLE :
-                       gpio_set_value(H1940_LATCH_USB_DP, 1);
-                       break;
-               case S3C2410_UDC_P_DISABLE :
-                       gpio_set_value(H1940_LATCH_USB_DP, 0);
-                       break;
-               case S3C2410_UDC_P_RESET :
-                       break;
-               default:
-                       break;
-       }
-}
-
 static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
-       .udc_command            = h1940_udc_pullup,
        .vbus_pin               = S3C2410_GPG(5),
        .vbus_pin_inverted      = 1,
+       .pullup_pin             = H1940_LATCH_USB_DP,
 };
 
 static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
@@ -222,20 +210,239 @@ static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
        .num_displays = 1,
        .default_display = 0,
 
-       .lpcsel       0x02,
-       .gpccon       0xaa940659,
-       .gpccon_mask=   0xffffffff,
-       .gpcup        0x0000ffff,
-       .gpcup_mask   0xffffffff,
-       .gpdcon       0xaa84aaa0,
-       .gpdcon_mask  0xffffffff,
-       .gpdup        0x0000faff,
-       .gpdup_mask   0xffffffff,
+       .lpcsel =       0x02,
+       .gpccon =       0xaa940659,
+       .gpccon_mask =  0xffffc0f0,
+       .gpcup =        0x0000ffff,
+       .gpcup_mask =   0xffffffff,
+       .gpdcon =       0xaa84aaa0,
+       .gpdcon_mask =  0xffffffff,
+       .gpdup =        0x0000faff,
+       .gpdup_mask =   0xffffffff,
 };
 
-static struct platform_device h1940_device_leds = {
-       .name             = "h1940-leds",
+static int power_supply_init(struct device *dev)
+{
+       return gpio_request(S3C2410_GPF(2), "cable plugged");
+}
+
+static int h1940_is_ac_online(void)
+{
+       return !gpio_get_value(S3C2410_GPF(2));
+}
+
+static void power_supply_exit(struct device *dev)
+{
+       gpio_free(S3C2410_GPF(2));
+}
+
+static char *h1940_supplicants[] = {
+       "main-battery",
+       "backup-battery",
+};
+
+static struct pda_power_pdata power_supply_info = {
+       .init                   = power_supply_init,
+       .is_ac_online           = h1940_is_ac_online,
+       .exit                   = power_supply_exit,
+       .supplied_to            = h1940_supplicants,
+       .num_supplicants        = ARRAY_SIZE(h1940_supplicants),
+};
+
+static struct resource power_supply_resources[] = {
+       [0] = {
+                       .name   = "ac",
+                       .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
+                                         IORESOURCE_IRQ_HIGHEDGE,
+                       .start  = IRQ_EINT2,
+                       .end    = IRQ_EINT2,
+       },
+};
+
+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),
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
+       { .volt = 4070, .cur = 162, .level = 100},
+       { .volt = 4040, .cur = 165, .level = 95},
+       { .volt = 4016, .cur = 164, .level = 90},
+       { .volt = 3996, .cur = 166, .level = 85},
+       { .volt = 3971, .cur = 168, .level = 80},
+       { .volt = 3951, .cur = 168, .level = 75},
+       { .volt = 3931, .cur = 170, .level = 70},
+       { .volt = 3903, .cur = 172, .level = 65},
+       { .volt = 3886, .cur = 172, .level = 60},
+       { .volt = 3858, .cur = 176, .level = 55},
+       { .volt = 3842, .cur = 176, .level = 50},
+       { .volt = 3818, .cur = 176, .level = 45},
+       { .volt = 3789, .cur = 180, .level = 40},
+       { .volt = 3769, .cur = 180, .level = 35},
+       { .volt = 3749, .cur = 184, .level = 30},
+       { .volt = 3732, .cur = 184, .level = 25},
+       { .volt = 3716, .cur = 184, .level = 20},
+       { .volt = 3708, .cur = 184, .level = 15},
+       { .volt = 3716, .cur = 96, .level = 10},
+       { .volt = 3700, .cur = 96, .level = 5},
+       { .volt = 3684, .cur = 96, .level = 0},
+};
+
+static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
+       { .volt = 4130, .cur = 0, .level = 100},
+       { .volt = 3982, .cur = 0, .level = 50},
+       { .volt = 3854, .cur = 0, .level = 10},
+       { .volt = 3841, .cur = 0, .level = 0},
+};
+
+int h1940_bat_init(void)
+{
+       int ret;
+
+       ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
+       if (ret)
+               return ret;
+       gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
+
+       return 0;
+
+}
+
+void h1940_bat_exit(void)
+{
+       gpio_free(H1940_LATCH_SM803_ENABLE);
+}
+
+void h1940_enable_charger(void)
+{
+       gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
+}
+
+void h1940_disable_charger(void)
+{
+       gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
+}
+
+static struct s3c_adc_bat_pdata h1940_bat_cfg = {
+       .init = h1940_bat_init,
+       .exit = h1940_bat_exit,
+       .enable_charger = h1940_enable_charger,
+       .disable_charger = h1940_disable_charger,
+       .gpio_charge_finished = S3C2410_GPF(3),
+       .gpio_inverted = 1,
+       .lut_noac = bat_lut_noac,
+       .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
+       .lut_acin = bat_lut_acin,
+       .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
+       .volt_channel = 0,
+       .current_channel = 1,
+       .volt_mult = 4056,
+       .current_mult = 1893,
+       .internal_impedance = 200,
+       .backup_volt_channel = 3,
+       /* TODO Check backup volt multiplier */
+       .backup_volt_mult = 4056,
+       .backup_volt_min = 0,
+       .backup_volt_max = 4149288
+};
+
+static struct platform_device h1940_battery = {
+       .name             = "s3c-adc-battery",
        .id               = -1,
+       .dev = {
+               .parent = &s3c_device_adc.dev,
+               .platform_data = &h1940_bat_cfg,
+       },
+};
+
+DEFINE_SPINLOCK(h1940_blink_spin);
+
+int h1940_led_blink_set(unsigned gpio, int state,
+       unsigned long *delay_on, unsigned long *delay_off)
+{
+       int blink_gpio, check_gpio1, check_gpio2;
+
+       switch (gpio) {
+       case H1940_LATCH_LED_GREEN:
+               blink_gpio = S3C2410_GPA(7);
+               check_gpio1 = S3C2410_GPA(1);
+               check_gpio2 = S3C2410_GPA(3);
+               break;
+       case H1940_LATCH_LED_RED:
+               blink_gpio = S3C2410_GPA(1);
+               check_gpio1 = S3C2410_GPA(7);
+               check_gpio2 = S3C2410_GPA(3);
+               break;
+       default:
+               blink_gpio = S3C2410_GPA(3);
+               check_gpio1 = S3C2410_GPA(1);
+               check_gpio1 = S3C2410_GPA(7);
+               break;
+       }
+
+       if (delay_on && delay_off && !*delay_on && !*delay_off)
+               *delay_on = *delay_off = 500;
+
+       spin_lock(&h1940_blink_spin);
+
+       switch (state) {
+       case GPIO_LED_NO_BLINK_LOW:
+       case GPIO_LED_NO_BLINK_HIGH:
+               if (!gpio_get_value(check_gpio1) &&
+                   !gpio_get_value(check_gpio2))
+                       gpio_set_value(H1940_LATCH_LED_FLASH, 0);
+               gpio_set_value(blink_gpio, 0);
+               if (gpio_is_valid(gpio))
+                       gpio_set_value(gpio, state);
+               break;
+       case GPIO_LED_BLINK:
+               if (gpio_is_valid(gpio))
+                       gpio_set_value(gpio, 0);
+               gpio_set_value(H1940_LATCH_LED_FLASH, 1);
+               gpio_set_value(blink_gpio, 1);
+               break;
+       }
+
+       spin_unlock(&h1940_blink_spin);
+
+       return 0;
+}
+EXPORT_SYMBOL(h1940_led_blink_set);
+
+static struct gpio_led h1940_leds_desc[] = {
+       {
+               .name                   = "Green",
+               .default_trigger        = "main-battery-full",
+               .gpio                   = H1940_LATCH_LED_GREEN,
+               .retain_state_suspended = 1,
+       },
+       {
+               .name                   = "Red",
+               .default_trigger
+                       = "main-battery-charging-blink-full-solid",
+               .gpio                   = H1940_LATCH_LED_RED,
+               .retain_state_suspended = 1,
+       },
+};
+
+static struct gpio_led_platform_data h1940_leds_pdata = {
+       .num_leds       = ARRAY_SIZE(h1940_leds_desc),
+       .leds           = h1940_leds_desc,
+       .gpio_blink_set = h1940_led_blink_set,
+};
+
+static struct platform_device h1940_device_leds = {
+       .name   = "leds-gpio",
+       .id     = -1,
+       .dev    = {
+                       .platform_data = &h1940_leds_pdata,
+       },
 };
 
 static struct platform_device h1940_device_bluetooth = {
@@ -321,14 +528,14 @@ static struct platform_device h1940_backlight = {
 static void h1940_lcd_power_set(struct plat_lcd_data *pd,
                                        unsigned int power)
 {
-       int value;
+       int value, retries = 100;
 
        if (!power) {
                gpio_set_value(S3C2410_GPC(0), 0);
                /* wait for 3ac */
                do {
                        value = gpio_get_value(S3C2410_GPC(6));
-               } while (value);
+               } while (value && retries--);
 
                gpio_set_value(H1940_LATCH_LCD_P2, 0);
                gpio_set_value(H1940_LATCH_LCD_P3, 0);
@@ -346,6 +553,9 @@ static void h1940_lcd_power_set(struct plat_lcd_data *pd,
                gpio_set_value(H1940_LATCH_LCD_P0, 1);
                gpio_set_value(H1940_LATCH_LCD_P1, 1);
 
+               gpio_direction_input(S3C2410_GPC(1));
+               gpio_direction_input(S3C2410_GPC(4));
+               mdelay(10);
                s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
                s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
 
@@ -381,7 +591,44 @@ static struct i2c_board_info h1940_i2c_devices[] = {
        },
 };
 
+#define DECLARE_BUTTON(p, k, n, w)     \
+       {                               \
+               .gpio           = p,    \
+               .code           = k,    \
+               .desc           = n,    \
+               .wakeup         = w,    \
+               .active_low     = 1,    \
+       }
+
+static struct gpio_keys_button h1940_buttons[] = {
+       DECLARE_BUTTON(S3C2410_GPF(0),       KEY_POWER,          "Power", 1),
+       DECLARE_BUTTON(S3C2410_GPF(6),       KEY_ENTER,         "Select", 1),
+       DECLARE_BUTTON(S3C2410_GPF(7),      KEY_RECORD,         "Record", 0),
+       DECLARE_BUTTON(S3C2410_GPG(0),         KEY_F11,       "Calendar", 0),
+       DECLARE_BUTTON(S3C2410_GPG(2),         KEY_F12,       "Contacts", 0),
+       DECLARE_BUTTON(S3C2410_GPG(3),        KEY_MAIL,           "Mail", 0),
+       DECLARE_BUTTON(S3C2410_GPG(6),        KEY_LEFT,     "Left_arrow", 0),
+       DECLARE_BUTTON(S3C2410_GPG(7),    KEY_HOMEPAGE,           "Home", 0),
+       DECLARE_BUTTON(S3C2410_GPG(8),       KEY_RIGHT,    "Right_arrow", 0),
+       DECLARE_BUTTON(S3C2410_GPG(9),          KEY_UP,       "Up_arrow", 0),
+       DECLARE_BUTTON(S3C2410_GPG(10),       KEY_DOWN,     "Down_arrow", 0),
+};
+
+static struct gpio_keys_platform_data h1940_buttons_data = {
+       .buttons        = h1940_buttons,
+       .nbuttons       = ARRAY_SIZE(h1940_buttons),
+};
+
+static struct platform_device h1940_dev_buttons = {
+       .name           = "gpio-keys",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &h1940_buttons_data,
+       }
+};
+
 static struct platform_device *h1940_devices[] __initdata = {
+       &h1940_dev_buttons,
        &s3c_device_ohci,
        &s3c_device_lcd,
        &s3c_device_wdt,
@@ -398,6 +645,8 @@ static struct platform_device *h1940_devices[] __initdata = {
        &h1940_lcd_powerdev,
        &s3c_device_adc,
        &s3c_device_ts,
+       &power_supply,
+       &h1940_battery,
 };
 
 static void __init h1940_map_io(void)
@@ -475,14 +724,20 @@ static void __init h1940_init(void)
        gpio_direction_output(H1940_LATCH_LCD_P4, 0);
        gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
 
-       gpio_request(H1940_LATCH_USB_DP, "USB pullup");
-       gpio_direction_output(H1940_LATCH_USB_DP, 0);
-
        gpio_request(H1940_LATCH_SD_POWER, "SD power");
        gpio_direction_output(H1940_LATCH_SD_POWER, 0);
 
        platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
 
+       gpio_request(S3C2410_GPA(1), "Red LED blink");
+       gpio_request(S3C2410_GPA(3), "Blue LED blink");
+       gpio_request(S3C2410_GPA(7), "Green LED blink");
+       gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
+       gpio_direction_output(S3C2410_GPA(1), 0);
+       gpio_direction_output(S3C2410_GPA(3), 0);
+       gpio_direction_output(S3C2410_GPA(7), 0);
+       gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
+
        i2c_register_board_info(0, h1940_i2c_devices,
                ARRAY_SIZE(h1940_i2c_devices));
 }