aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/magician.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa/magician.c')
-rw-r--r--arch/arm/mach-pxa/magician.c118
1 files changed, 90 insertions, 28 deletions
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index badba064dc0..c9d274f0048 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -17,31 +17,32 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
+#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/mfd/htc-egpio.h>
#include <linux/mfd/htc-pasic3.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
-#include <asm/gpio.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/arch/magician.h>
#include <asm/arch/mfp-pxa27x.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/i2c.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/ohci.h>
+#include "devices.h"
#include "generic.h"
-static unsigned long magician_pin_config[] = {
+static unsigned long magician_pin_config[] __initdata = {
/* SDRAM and Static Memory I/O Signals */
GPIO20_nSDCS_2,
@@ -131,6 +132,7 @@ static unsigned long magician_pin_config[] = {
static void magician_irda_transceiver_mode(struct device *dev, int mode)
{
gpio_set_value(GPIO83_MAGICIAN_nIR_EN, mode & IR_OFF);
+ pxa2xx_transceiver_mode(dev, mode);
}
static struct pxaficp_platform_data magician_ficp_info = {
@@ -348,40 +350,59 @@ static struct pxafb_mach_info samsung_info = {
* Backlight
*/
-static void magician_set_bl_intensity(int intensity)
+static int magician_backlight_init(struct device *dev)
{
- if (intensity) {
- PWM_CTRL0 = 1;
- PWM_PERVAL0 = 0xc8;
- if (intensity > 0xc7) {
- PWM_PWDUTY0 = intensity - 0x48;
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
- } else {
- PWM_PWDUTY0 = intensity;
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
- }
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 1);
- pxa_set_cken(CKEN_PWM0, 1);
+ int ret;
+
+ ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
+ if (ret)
+ goto err;
+ ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
+ if (ret)
+ goto err2;
+ return 0;
+
+err2:
+ gpio_free(EGPIO_MAGICIAN_BL_POWER);
+err:
+ return ret;
+}
+
+static int magician_backlight_notify(int brightness)
+{
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
+ if (brightness >= 200) {
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
+ return brightness - 72;
} else {
- /* PWM_PWDUTY0 = intensity; */
- gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0);
- pxa_set_cken(CKEN_PWM0, 0);
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
+ return brightness;
}
}
-static struct generic_bl_info backlight_info = {
- .default_intensity = 0x64,
- .limit_mask = 0x0b,
- .max_intensity = 0xc7+0x48,
- .set_bl_intensity = magician_set_bl_intensity,
+static void magician_backlight_exit(struct device *dev)
+{
+ gpio_free(EGPIO_MAGICIAN_BL_POWER);
+ gpio_free(EGPIO_MAGICIAN_BL_POWER2);
+}
+
+static struct platform_pwm_backlight_data backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 272,
+ .dft_brightness = 100,
+ .pwm_period_ns = 30923,
+ .init = magician_backlight_init,
+ .notify = magician_backlight_notify,
+ .exit = magician_backlight_exit,
};
static struct platform_device backlight = {
- .name = "generic-bl",
+ .name = "pwm-backlight",
+ .id = -1,
.dev = {
- .platform_data = &backlight_info,
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &backlight_data,
},
- .id = -1,
};
/*
@@ -490,6 +511,37 @@ static struct platform_device pasic3 = {
* External power
*/
+static int power_supply_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");
+ if (ret)
+ goto err_cs_ac;
+ ret = gpio_request(EGPIO_MAGICIAN_CABLE_STATE_USB, "CABLE_STATE_USB");
+ if (ret)
+ goto err_cs_usb;
+ ret = gpio_request(EGPIO_MAGICIAN_CHARGE_EN, "CHARGE_EN");
+ if (ret)
+ goto err_chg_en;
+ ret = gpio_request(GPIO30_MAGICIAN_nCHARGE_EN, "nCHARGE_EN");
+ if (!ret)
+ ret = gpio_direction_output(GPIO30_MAGICIAN_nCHARGE_EN, 0);
+ if (ret)
+ goto err_nchg_en;
+
+ return 0;
+
+err_nchg_en:
+ gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
+err_chg_en:
+ gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
+err_cs_usb:
+ gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
+err_cs_ac:
+ return ret;
+}
+
static int magician_is_ac_online(void)
{
return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
@@ -506,14 +558,24 @@ static void magician_set_charge(int flags)
gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);
}
+static void power_supply_exit(struct device *dev)
+{
+ gpio_free(GPIO30_MAGICIAN_nCHARGE_EN);
+ gpio_free(EGPIO_MAGICIAN_CHARGE_EN);
+ gpio_free(EGPIO_MAGICIAN_CABLE_STATE_USB);
+ gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
+}
+
static char *magician_supplicants[] = {
"ds2760-battery.0", "backup-battery"
};
static struct pda_power_pdata power_supply_info = {
+ .init = power_supply_init,
.is_ac_online = magician_is_ac_online,
.is_usb_online = magician_is_usb_online,
.set_charge = magician_set_charge,
+ .exit = power_supply_exit,
.supplied_to = magician_supplicants,
.num_supplicants = ARRAY_SIZE(magician_supplicants),
};