[ARM] pxa/corgi: use generic GPIO API for SCOOP 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>

arch/arm/mach-pxa/corgi.c

@@ -127,6 +127,7 @@ static struct resource corgi_scoop_resources[] = {
 static struct scoop_config corgi_scoop_setup = {
 	.io_dir 	= CORGI_SCOOP_IO_DIR,
 	.io_out		= CORGI_SCOOP_IO_OUT,
+	.gpio_base	= CORGI_SCOOP_GPIO_BASE,
 };
 
 struct platform_device corgiscoop_device = {
@@ -426,10 +427,7 @@ static struct pxa2xx_spi_chip corgi_ads7846_chip = {
 static void corgi_notify_intensity(int intensity)
 {
 	/* Bit 5 is via SCOOP */
-	if (intensity & 0x0020)
-		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
-	else
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
+	gpio_set_value(CORGI_GPIO_BACKLIGHT_CONT, !!(intensity & 0x0020));
 }
 
 static void corgi_bl_kick_battery(void)
@@ -539,7 +537,8 @@ static void corgi_poweroff(void)
 {
 	if (!machine_is_corgi())
 		/* Green LED off tells the bootloader to halt */
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
+		gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
+
 	arm_machine_restart('h');
 }
 
@@ -547,7 +546,8 @@ static void corgi_restart(char mode)
 {
 	if (!machine_is_corgi())
 		/* Green LED on tells the bootloader to reboot */
-		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
+		gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
+
 	arm_machine_restart('h');
 }
 

arch/arm/mach-pxa/corgi_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/corgi.h>

arch/arm/mach-pxa/include/mach/corgi.h

@@ -98,6 +98,16 @@
 			CORGI_SCP_MIC_BIAS )
 #define CORGI_SCOOP_IO_OUT	( CORGI_SCP_MUTE_L | CORGI_SCP_MUTE_R )
 
+#define CORGI_SCOOP_GPIO_BASE		(NR_BUILTIN_GPIO)
+#define CORGI_GPIO_LED_GREEN		(CORGI_SCOOP_GPIO_BASE + 0)
+#define CORGI_GPIO_SWA			(CORGI_SCOOP_GPIO_BASE + 1)  /* Hinge Switch A */
+#define CORGI_GPIO_SWB			(CORGI_SCOOP_GPIO_BASE + 2)  /* Hinge Switch B */
+#define CORGI_GPIO_MUTE_L		(CORGI_SCOOP_GPIO_BASE + 3)
+#define CORGI_GPIO_MUTE_R		(CORGI_SCOOP_GPIO_BASE + 4)
+#define CORGI_GPIO_AKIN_PULLUP		(CORGI_SCOOP_GPIO_BASE + 5)
+#define CORGI_GPIO_APM_ON		(CORGI_SCOOP_GPIO_BASE + 6)
+#define CORGI_GPIO_BACKLIGHT_CONT	(CORGI_SCOOP_GPIO_BASE + 7)
+#define CORGI_GPIO_MIC_BIAS		(CORGI_SCOOP_GPIO_BASE + 8)
 
 /*
  * Shared data structures

sound/soc/pxa/corgi.c

@@ -18,13 +18,13 @@
 #include <linux/timer.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
 
 #include <asm/mach-types.h>
-#include <asm/hardware/scoop.h>
 #include <mach/pxa-regs.h>
 #include <mach/hardware.h>
 #include <mach/corgi.h>
@@ -54,8 +54,8 @@ static void corgi_ext_control(struct snd_soc_codec *codec)
 	switch (corgi_jack_func) {
 	case CORGI_HP:
 		/* set = unmute headphone */
-		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
-		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+		gpio_set_value(CORGI_GPIO_MUTE_L, 1);
+		gpio_set_value(CORGI_GPIO_MUTE_R, 1);
 		snd_soc_dapm_disable_pin(codec, "Mic Jack");
 		snd_soc_dapm_disable_pin(codec, "Line Jack");
 		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
@@ -63,24 +63,24 @@ static void corgi_ext_control(struct snd_soc_codec *codec)
 		break;
 	case CORGI_MIC:
 		/* reset = mute headphone */
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+		gpio_set_value(CORGI_GPIO_MUTE_L, 0);
+		gpio_set_value(CORGI_GPIO_MUTE_R, 0);
 		snd_soc_dapm_enable_pin(codec, "Mic Jack");
 		snd_soc_dapm_disable_pin(codec, "Line Jack");
 		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
 		snd_soc_dapm_disable_pin(codec, "Headset Jack");
 		break;
 	case CORGI_LINE:
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+		gpio_set_value(CORGI_GPIO_MUTE_L, 0);
+		gpio_set_value(CORGI_GPIO_MUTE_R, 0);
 		snd_soc_dapm_disable_pin(codec, "Mic Jack");
 		snd_soc_dapm_enable_pin(codec, "Line Jack");
 		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
 		snd_soc_dapm_disable_pin(codec, "Headset Jack");
 		break;
 	case CORGI_HEADSET:
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
-		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+		gpio_set_value(CORGI_GPIO_MUTE_L, 0);
+		gpio_set_value(CORGI_GPIO_MUTE_R, 1);
 		snd_soc_dapm_enable_pin(codec, "Mic Jack");
 		snd_soc_dapm_disable_pin(codec, "Line Jack");
 		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
@@ -114,8 +114,8 @@ static int corgi_shutdown(struct snd_pcm_substream *substream)
 	struct snd_soc_codec *codec = rtd->socdev->codec;
 
 	/* set = unmute headphone */
-	set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
-	set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
+	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
 	return 0;
 }
 
@@ -218,22 +218,14 @@ static int corgi_set_spk(struct snd_kcontrol *kcontrol,
 static int corgi_amp_event(struct snd_soc_dapm_widget *w,
 	struct snd_kcontrol *k, int event)
 {
-	if (SND_SOC_DAPM_EVENT_ON(event))
-		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
-	else
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
-
+	gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
 	return 0;
 }
 
 static int corgi_mic_event(struct snd_soc_dapm_widget *w,
 	struct snd_kcontrol *k, int event)
 {
-	if (SND_SOC_DAPM_EVENT_ON(event))
-		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
-	else
-		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
-
+	gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
 	return 0;
 }