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[ARM] pxa/corgi: use generic GPIO API for SCOOP GPIOs
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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>
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Eric Miao authored and Russell King committed Sep 23, 2008
1 parent 2d91f94 commit 6168cda
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Showing 4 changed files with 29 additions and 28 deletions.
12 changes: 6 additions & 6 deletions arch/arm/mach-pxa/corgi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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 = {
Expand Down Expand Up @@ -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)
Expand Down Expand Up @@ -539,15 +537,17 @@ 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');
}

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');
}

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1 change: 0 additions & 1 deletion arch/arm/mach-pxa/corgi_pm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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>
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10 changes: 10 additions & 0 deletions arch/arm/mach-pxa/include/mach/corgi.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down
34 changes: 13 additions & 21 deletions sound/soc/pxa/corgi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -54,33 +54,33 @@ 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");
snd_soc_dapm_disable_pin(codec, "Headset Jack");
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");
Expand Down Expand Up @@ -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;
}

Expand Down Expand Up @@ -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;
}

Expand Down

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