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@@ -24,6 +24,7 @@
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#include <linux/io.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <linux/gpio.h>
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#include <linux/pwm_backlight.h>
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#include <linux/pwm_backlight.h>
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+#include <linux/i2c.h>
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#include <video/platform_lcd.h>
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#include <video/platform_lcd.h>
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#include <linux/mmc/host.h>
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#include <linux/mmc/host.h>
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@@ -59,6 +60,14 @@
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#include <plat/mci.h>
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#include <plat/mci.h>
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#include <plat/ts.h>
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#include <plat/ts.h>
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+#include <sound/uda1380.h>
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+
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+#define H1940_LATCH ((void __force __iomem *)0xF8000000)
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+
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+#define H1940_PA_LATCH S3C2410_CS2
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+
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+#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
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+
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static struct map_desc h1940_iodesc[] __initdata = {
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static struct map_desc h1940_iodesc[] __initdata = {
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[0] = {
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[0] = {
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.virtual = (unsigned long)H1940_LATCH,
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.virtual = (unsigned long)H1940_LATCH,
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@@ -100,9 +109,9 @@ static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
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/* Board control latch control */
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/* Board control latch control */
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-static unsigned int latch_state = H1940_LATCH_DEFAULT;
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+static unsigned int latch_state;
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-void h1940_latch_control(unsigned int clear, unsigned int set)
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+static void h1940_latch_control(unsigned int clear, unsigned int set)
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{
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{
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unsigned long flags;
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unsigned long flags;
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@@ -116,7 +125,42 @@ void h1940_latch_control(unsigned int clear, unsigned int set)
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local_irq_restore(flags);
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local_irq_restore(flags);
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}
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}
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-EXPORT_SYMBOL_GPL(h1940_latch_control);
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+static inline int h1940_gpiolib_to_latch(int offset)
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+{
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+ return 1 << (offset + 16);
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+}
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+
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+static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
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+ unsigned offset, int value)
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+{
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+ int latch_bit = h1940_gpiolib_to_latch(offset);
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+
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+ h1940_latch_control(value ? 0 : latch_bit,
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+ value ? latch_bit : 0);
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+}
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+
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+static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
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+ unsigned offset, int value)
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+{
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+ h1940_gpiolib_latch_set(chip, offset, value);
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+ return 0;
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+}
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+
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+static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
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+ unsigned offset)
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+{
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+ return (latch_state >> (offset + 16)) & 1;
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+}
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+
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+struct gpio_chip h1940_latch_gpiochip = {
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+ .base = H1940_LATCH_GPIO(0),
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+ .owner = THIS_MODULE,
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+ .label = "H1940_LATCH",
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+ .ngpio = 16,
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+ .direction_output = h1940_gpiolib_latch_output,
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+ .set = h1940_gpiolib_latch_set,
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+ .get = h1940_gpiolib_latch_get,
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+};
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static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
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static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
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{
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{
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@@ -125,10 +169,10 @@ static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
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switch (cmd)
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switch (cmd)
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{
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{
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case S3C2410_UDC_P_ENABLE :
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case S3C2410_UDC_P_ENABLE :
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- h1940_latch_control(0, H1940_LATCH_USB_DP);
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+ gpio_set_value(H1940_LATCH_USB_DP, 1);
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break;
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break;
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case S3C2410_UDC_P_DISABLE :
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case S3C2410_UDC_P_DISABLE :
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- h1940_latch_control(H1940_LATCH_USB_DP, 0);
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+ gpio_set_value(H1940_LATCH_USB_DP, 0);
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break;
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break;
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case S3C2410_UDC_P_RESET :
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case S3C2410_UDC_P_RESET :
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break;
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break;
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@@ -199,10 +243,25 @@ static struct platform_device h1940_device_bluetooth = {
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.id = -1,
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.id = -1,
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};
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};
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+static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
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+{
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+ switch (power_mode) {
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+ case MMC_POWER_OFF:
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+ gpio_set_value(H1940_LATCH_SD_POWER, 0);
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+ break;
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+ case MMC_POWER_UP:
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+ case MMC_POWER_ON:
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+ gpio_set_value(H1940_LATCH_SD_POWER, 1);
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+ break;
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+ default:
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+ break;
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+ };
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+}
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+
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static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
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static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
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.gpio_detect = S3C2410_GPF(5),
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.gpio_detect = S3C2410_GPF(5),
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.gpio_wprotect = S3C2410_GPH(8),
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.gpio_wprotect = S3C2410_GPH(8),
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- .set_power = NULL,
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+ .set_power = h1940_set_mmc_power,
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.ocr_avail = MMC_VDD_32_33,
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.ocr_avail = MMC_VDD_32_33,
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};
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};
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@@ -213,15 +272,32 @@ static int h1940_backlight_init(struct device *dev)
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gpio_direction_output(S3C2410_GPB(0), 0);
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gpio_direction_output(S3C2410_GPB(0), 0);
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s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
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s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
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s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
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s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
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+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
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return 0;
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return 0;
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}
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}
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+static int h1940_backlight_notify(struct device *dev, int brightness)
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+{
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+ if (!brightness) {
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+ gpio_direction_output(S3C2410_GPB(0), 1);
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+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
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+ } else {
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+ gpio_direction_output(S3C2410_GPB(0), 0);
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+ s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
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+ s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
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+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
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+ }
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+ return brightness;
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+}
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+
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static void h1940_backlight_exit(struct device *dev)
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static void h1940_backlight_exit(struct device *dev)
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{
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{
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gpio_direction_output(S3C2410_GPB(0), 1);
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gpio_direction_output(S3C2410_GPB(0), 1);
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+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
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}
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}
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+
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static struct platform_pwm_backlight_data backlight_data = {
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static struct platform_pwm_backlight_data backlight_data = {
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.pwm_id = 0,
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.pwm_id = 0,
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.max_brightness = 100,
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.max_brightness = 100,
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@@ -229,6 +305,7 @@ static struct platform_pwm_backlight_data backlight_data = {
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/* tcnt = 0x31 */
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/* tcnt = 0x31 */
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.pwm_period_ns = 36296,
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.pwm_period_ns = 36296,
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.init = h1940_backlight_init,
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.init = h1940_backlight_init,
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+ .notify = h1940_backlight_notify,
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.exit = h1940_backlight_exit,
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.exit = h1940_backlight_exit,
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};
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};
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@@ -247,19 +324,37 @@ static void h1940_lcd_power_set(struct plat_lcd_data *pd,
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int value;
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int value;
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if (!power) {
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if (!power) {
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- /* set to 3ec */
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- gpio_direction_output(S3C2410_GPC(0), 0);
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+ gpio_set_value(S3C2410_GPC(0), 0);
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/* wait for 3ac */
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/* wait for 3ac */
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do {
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do {
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value = gpio_get_value(S3C2410_GPC(6));
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value = gpio_get_value(S3C2410_GPC(6));
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} while (value);
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} while (value);
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- /* set to 38c */
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- gpio_direction_output(S3C2410_GPC(5), 0);
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+
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+ gpio_set_value(H1940_LATCH_LCD_P2, 0);
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+ gpio_set_value(H1940_LATCH_LCD_P3, 0);
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+ gpio_set_value(H1940_LATCH_LCD_P4, 0);
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+
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+ gpio_direction_output(S3C2410_GPC(1), 0);
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+ gpio_direction_output(S3C2410_GPC(4), 0);
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+
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+ gpio_set_value(H1940_LATCH_LCD_P1, 0);
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+ gpio_set_value(H1940_LATCH_LCD_P0, 0);
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+
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+ gpio_set_value(S3C2410_GPC(5), 0);
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+
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} else {
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} else {
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- /* Set to 3ac */
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- gpio_direction_output(S3C2410_GPC(5), 1);
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- /* Set to 3ad */
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- gpio_direction_output(S3C2410_GPC(0), 1);
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+ gpio_set_value(H1940_LATCH_LCD_P0, 1);
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+ gpio_set_value(H1940_LATCH_LCD_P1, 1);
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+
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+ s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
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+ s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
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+
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+ gpio_set_value(S3C2410_GPC(5), 1);
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+ gpio_set_value(S3C2410_GPC(0), 1);
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+
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+ gpio_set_value(H1940_LATCH_LCD_P3, 1);
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+ gpio_set_value(H1940_LATCH_LCD_P2, 1);
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+ gpio_set_value(H1940_LATCH_LCD_P4, 1);
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}
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}
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}
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}
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@@ -273,12 +368,26 @@ static struct platform_device h1940_lcd_powerdev = {
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.dev.platform_data = &h1940_lcd_power_data,
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.dev.platform_data = &h1940_lcd_power_data,
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};
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};
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+static struct uda1380_platform_data uda1380_info = {
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+ .gpio_power = H1940_LATCH_UDA_POWER,
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+ .gpio_reset = S3C2410_GPA(12),
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+ .dac_clk = UDA1380_DAC_CLK_SYSCLK,
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+};
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+
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+static struct i2c_board_info h1940_i2c_devices[] = {
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+ {
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+ I2C_BOARD_INFO("uda1380", 0x1a),
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+ .platform_data = &uda1380_info,
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+ },
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+};
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+
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static struct platform_device *h1940_devices[] __initdata = {
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static struct platform_device *h1940_devices[] __initdata = {
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&s3c_device_ohci,
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&s3c_device_ohci,
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&s3c_device_lcd,
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&s3c_device_lcd,
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&s3c_device_wdt,
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&s3c_device_wdt,
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&s3c_device_i2c0,
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&s3c_device_i2c0,
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&s3c_device_iis,
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&s3c_device_iis,
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+ &s3c_device_pcm,
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&s3c_device_usbgadget,
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&s3c_device_usbgadget,
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&h1940_device_leds,
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&h1940_device_leds,
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&h1940_device_bluetooth,
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&h1940_device_bluetooth,
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@@ -303,6 +412,10 @@ static void __init h1940_map_io(void)
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memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
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memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
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#endif
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#endif
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s3c_pm_init();
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s3c_pm_init();
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+
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+ /* Add latch gpio chip, set latch initial value */
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+ h1940_latch_control(0, 0);
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+ WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
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}
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}
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/* H1940 and RX3715 need to reserve this for suspend */
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/* H1940 and RX3715 need to reserve this for suspend */
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@@ -340,12 +453,38 @@ static void __init h1940_init(void)
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writel(tmp, S3C2410_UPLLCON);
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writel(tmp, S3C2410_UPLLCON);
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gpio_request(S3C2410_GPC(0), "LCD power");
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gpio_request(S3C2410_GPC(0), "LCD power");
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+ gpio_request(S3C2410_GPC(1), "LCD power");
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+ gpio_request(S3C2410_GPC(4), "LCD power");
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gpio_request(S3C2410_GPC(5), "LCD power");
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gpio_request(S3C2410_GPC(5), "LCD power");
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gpio_request(S3C2410_GPC(6), "LCD power");
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gpio_request(S3C2410_GPC(6), "LCD power");
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-
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+ gpio_request(H1940_LATCH_LCD_P0, "LCD power");
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+ gpio_request(H1940_LATCH_LCD_P1, "LCD power");
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+ gpio_request(H1940_LATCH_LCD_P2, "LCD power");
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+ gpio_request(H1940_LATCH_LCD_P3, "LCD power");
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+ gpio_request(H1940_LATCH_LCD_P4, "LCD power");
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+ gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
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+ gpio_direction_output(S3C2410_GPC(0), 0);
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+ gpio_direction_output(S3C2410_GPC(1), 0);
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+ gpio_direction_output(S3C2410_GPC(4), 0);
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+ gpio_direction_output(S3C2410_GPC(5), 0);
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gpio_direction_input(S3C2410_GPC(6));
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gpio_direction_input(S3C2410_GPC(6));
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+ gpio_direction_output(H1940_LATCH_LCD_P0, 0);
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+ gpio_direction_output(H1940_LATCH_LCD_P1, 0);
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+ gpio_direction_output(H1940_LATCH_LCD_P2, 0);
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+ gpio_direction_output(H1940_LATCH_LCD_P3, 0);
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+ gpio_direction_output(H1940_LATCH_LCD_P4, 0);
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+ gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
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+
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+ gpio_request(H1940_LATCH_USB_DP, "USB pullup");
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+ gpio_direction_output(H1940_LATCH_USB_DP, 0);
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+
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+ gpio_request(H1940_LATCH_SD_POWER, "SD power");
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+ gpio_direction_output(H1940_LATCH_SD_POWER, 0);
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platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
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platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
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+
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+ i2c_register_board_info(0, h1940_i2c_devices,
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+ ARRAY_SIZE(h1940_i2c_devices));
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}
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}
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MACHINE_START(H1940, "IPAQ-H1940")
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MACHINE_START(H1940, "IPAQ-H1940")
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