[ARM] pxa/spitz: use generic GPIO API for SCOOP1/SCOOP2 GPIOs
Original patch from Dmitry Baryshkov's inital scoop gpio conversion
work at http://git.infradead.org/users/dbaryshkov/zaurus-2.6.git.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/include/mach/spitz.h b/arch/arm/mach-pxa/include/mach/spitz.h
index d2fc22d..e9b3d33 100644
--- a/arch/arm/mach-pxa/include/mach/spitz.h
+++ b/arch/arm/mach-pxa/include/mach/spitz.h
@@ -16,6 +16,7 @@
#endif
#include <linux/fb.h>
+#include <linux/gpio.h>
/* Spitz/Akita GPIOs */
@@ -107,6 +108,17 @@
#define SPITZ_SCP_SUS_CLR (SPITZ_SCP_MUTE_L | SPITZ_SCP_MUTE_R | SPITZ_SCP_JK_A | SPITZ_SCP_ADC_TEMP_ON)
#define SPITZ_SCP_SUS_SET 0
+#define SPITZ_SCP_GPIO_BASE (NR_BUILTIN_GPIO)
+#define SPITZ_GPIO_LED_GREEN (SPITZ_SCP_GPIO_BASE + 0)
+#define SPITZ_GPIO_JK_B (SPITZ_SCP_GPIO_BASE + 1)
+#define SPITZ_GPIO_CHRG_ON (SPITZ_SCP_GPIO_BASE + 2)
+#define SPITZ_GPIO_MUTE_L (SPITZ_SCP_GPIO_BASE + 3)
+#define SPITZ_GPIO_MUTE_R (SPITZ_SCP_GPIO_BASE + 4)
+#define SPITZ_GPIO_CF_POWER (SPITZ_SCP_GPIO_BASE + 5)
+#define SPITZ_GPIO_LED_ORANGE (SPITZ_SCP_GPIO_BASE + 6)
+#define SPITZ_GPIO_JK_A (SPITZ_SCP_GPIO_BASE + 7)
+#define SPITZ_GPIO_ADC_TEMP_ON (SPITZ_SCP_GPIO_BASE + 8)
+
/* Spitz Scoop Device (No. 2) GPIOs */
/* Suspend States in comments */
#define SPITZ_SCP2_IR_ON SCOOP_GPCR_PA11 /* High */
@@ -128,6 +140,16 @@
SPITZ_SCP2_BACKLIGHT_CONT | SPITZ_SCP2_BACKLIGHT_ON | SPITZ_SCP2_MIC_BIAS)
#define SPITZ_SCP2_SUS_SET (SPITZ_SCP2_IR_ON | SPITZ_SCP2_RESERVED_1)
+#define SPITZ_SCP2_GPIO_BASE (NR_BUILTIN_GPIO + 12)
+#define SPITZ_GPIO_IR_ON (SPITZ_SCP2_GPIO_BASE + 0)
+#define SPITZ_GPIO_AKIN_PULLUP (SPITZ_SCP2_GPIO_BASE + 1
+#define SPITZ_GPIO_RESERVED_1 (SPITZ_SCP2_GPIO_BASE + 2)
+#define SPITZ_GPIO_RESERVED_2 (SPITZ_SCP2_GPIO_BASE + 3)
+#define SPITZ_GPIO_RESERVED_3 (SPITZ_SCP2_GPIO_BASE + 4)
+#define SPITZ_GPIO_RESERVED_4 (SPITZ_SCP2_GPIO_BASE + 5)
+#define SPITZ_GPIO_BACKLIGHT_CONT (SPITZ_SCP2_GPIO_BASE + 6)
+#define SPITZ_GPIO_BACKLIGHT_ON (SPITZ_SCP2_GPIO_BASE + 7)
+#define SPITZ_GPIO_MIC_BIAS (SPITZ_SCP2_GPIO_BASE + 8)
/* Spitz IRQ Definitions */
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 8b06b7a..2900082 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -134,10 +134,11 @@
};
static struct scoop_config spitz_scoop_setup = {
- .io_dir = SPITZ_SCP_IO_DIR,
+ .io_dir = SPITZ_SCP_IO_DIR,
.io_out = SPITZ_SCP_IO_OUT,
- .suspend_clr = SPITZ_SCP_SUS_CLR,
- .suspend_set = SPITZ_SCP_SUS_SET,
+ .suspend_clr = SPITZ_SCP_SUS_CLR,
+ .suspend_set = SPITZ_SCP_SUS_SET,
+ .gpio_base = SPITZ_SCP_GPIO_BASE,
};
struct platform_device spitzscoop_device = {
@@ -162,10 +163,11 @@
};
static struct scoop_config spitz_scoop2_setup = {
- .io_dir = SPITZ_SCP2_IO_DIR,
+ .io_dir = SPITZ_SCP2_IO_DIR,
.io_out = SPITZ_SCP2_IO_OUT,
- .suspend_clr = SPITZ_SCP2_SUS_CLR,
- .suspend_set = SPITZ_SCP2_SUS_SET,
+ .suspend_clr = SPITZ_SCP2_SUS_CLR,
+ .suspend_set = SPITZ_SCP2_SUS_SET,
+ .gpio_base = SPITZ_SCP2_GPIO_BASE,
};
struct platform_device spitzscoop2_device = {
@@ -187,7 +189,7 @@
unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
if (new_cpr & 0x0007) {
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+ gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
if (!(cpr & 0x0002) && !(cpr & 0x0004))
mdelay(5);
if (device == SPITZ_PWR_CF)
@@ -203,7 +205,7 @@
if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
mdelay(1);
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+ gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
} else {
write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
}
@@ -283,16 +285,8 @@
static void spitz_notify_intensity(int intensity)
{
if (machine_is_spitz() || machine_is_borzoi()) {
- /* Bit 5 is via SCOOP */
- if (intensity & 0x0020)
- reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
- else
- set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
-
- if (intensity)
- set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
- else
- reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
+ gpio_set_value(SPITZ_GPIO_BACKLIGHT_CONT, !(intensity & 0x20));
+ gpio_set_value(SPITZ_GPIO_BACKLIGHT_ON, intensity);
return;
}
@@ -515,12 +509,34 @@
/*
* Irda
*/
+static int spitz_irda_startup(struct device *dev)
+{
+ int rc;
+
+ rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
+ if (rc)
+ goto err;
+
+ rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
+ if (rc)
+ goto err_dir;
+
+ return 0;
+
+err_dir:
+ gpio_free(SPITZ_GPIO_IR_ON);
+err:
+ return rc;
+}
+
+static void spitz_irda_shutdown(struct device *dev)
+{
+ gpio_free(SPITZ_GPIO_IR_ON);
+}
+
static void spitz_irda_transceiver_mode(struct device *dev, int mode)
{
- if (mode & IR_OFF)
- set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
- else
- reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
+ gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
pxa2xx_transceiver_mode(dev, mode);
}
@@ -536,8 +552,10 @@
#endif
static struct pxaficp_platform_data spitz_ficp_platform_data = {
- .transceiver_cap = IR_SIRMODE | IR_OFF,
- .transceiver_mode = spitz_irda_transceiver_mode,
+ .transceiver_cap = IR_SIRMODE | IR_OFF,
+ .transceiver_mode = spitz_irda_transceiver_mode,
+ .startup = spitz_irda_startup,
+ .shutdown = spitz_irda_shutdown,
};
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 8a40505..53018db 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -21,7 +21,6 @@
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
-#include <asm/hardware/scoop.h>
#include <mach/sharpsl.h>
#include <mach/spitz.h>
@@ -48,44 +47,35 @@
static void spitz_measure_temp(int on)
{
- if (on)
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_ADC_TEMP_ON);
- else
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_ADC_TEMP_ON);
+ gpio_set_value(SPITZ_GPIO_ADC_TEMP_ON, on);
}
static void spitz_charge(int on)
{
if (on) {
if (sharpsl_pm.flags & SHARPSL_SUSPENDED) {
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B);
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON);
+ gpio_set_value(SPITZ_GPIO_JK_B, 1);
+ gpio_set_value(SPITZ_GPIO_CHRG_ON, 0);
} else {
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B);
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON);
+ gpio_set_value(SPITZ_GPIO_JK_B, 0);
+ gpio_set_value(SPITZ_GPIO_CHRG_ON, 0);
}
} else {
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_B);
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CHRG_ON);
+ gpio_set_value(SPITZ_GPIO_JK_B, 0);
+ gpio_set_value(SPITZ_GPIO_CHRG_ON, 1);
}
}
static void spitz_discharge(int on)
{
- if (on)
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_A);
- else
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_JK_A);
+ gpio_set_value(SPITZ_GPIO_JK_A, on);
}
/* HACK - For unknown reasons, accurate voltage readings are only made with a load
on the power bus which the green led on spitz provides */
static void spitz_discharge1(int on)
{
- if (on)
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
- else
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
+ gpio_set_value(SPITZ_GPIO_LED_GREEN, on);
}
static void spitz_presuspend(void)