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[ARM] pxa/spitz: use generic GPIO API for SCOOP1/SCOOP2 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 60cf711 commit fff1472
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Showing 4 changed files with 87 additions and 62 deletions.
22 changes: 22 additions & 0 deletions arch/arm/mach-pxa/include/mach/spitz.h
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
#endif

#include <linux/fb.h>
#include <linux/gpio.h>

/* Spitz/Akita GPIOs */

Expand Down Expand Up @@ -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 */
Expand All @@ -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 */

Expand Down
66 changes: 42 additions & 24 deletions arch/arm/mach-pxa/spitz.c
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Original file line number Diff line number Diff line change
Expand Up @@ -134,10 +134,11 @@ static struct resource spitz_scoop_resources[] = {
};

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 = {
Expand All @@ -162,10 +163,11 @@ static struct resource spitz_scoop2_resources[] = {
};

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 = {
Expand All @@ -187,7 +189,7 @@ static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
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)
Expand All @@ -203,7 +205,7 @@ static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
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);
}
Expand Down Expand Up @@ -283,16 +285,8 @@ static struct pxa2xx_spi_chip spitz_ads7846_chip = {
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;
}

Expand Down Expand Up @@ -515,12 +509,34 @@ static struct pxaohci_platform_data spitz_ohci_platform_data = {
/*
* 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);
}

Expand All @@ -536,8 +552,10 @@ static void akita_irda_transceiver_mode(struct device *dev, int mode)
#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,
};


Expand Down
28 changes: 9 additions & 19 deletions arch/arm/mach-pxa/spitz_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/spitz.h>
Expand All @@ -48,44 +47,35 @@ static void spitz_charger_init(void)

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)
Expand Down
33 changes: 14 additions & 19 deletions sound/soc/pxa/spitz.c
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Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,13 @@
#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/akita.h>
Expand Down Expand Up @@ -63,35 +63,35 @@ static void spitz_ext_control(struct snd_soc_codec *codec)
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_enable_pin(codec, "Headphone Jack");
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
break;
case SPITZ_MIC:
/* enable mic jack and bias, mute hp */
snd_soc_dapm_disable_pin(codec, "Headphone Jack");
snd_soc_dapm_disable_pin(codec, "Headset Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_enable_pin(codec, "Mic Jack");
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
break;
case SPITZ_LINE:
/* enable line jack, disable mic bias and mute hp */
snd_soc_dapm_disable_pin(codec, "Headphone Jack");
snd_soc_dapm_disable_pin(codec, "Headset Jack");
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_enable_pin(codec, "Line Jack");
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
break;
case SPITZ_HEADSET:
/* enable and unmute headset jack enable mic bias, mute L hp */
snd_soc_dapm_disable_pin(codec, "Headphone Jack");
snd_soc_dapm_enable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_enable_pin(codec, "Headset Jack");
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
break;
case SPITZ_HP_OFF:

Expand All @@ -100,8 +100,8 @@ static void spitz_ext_control(struct snd_soc_codec *codec)
snd_soc_dapm_disable_pin(codec, "Headset Jack");
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
break;
}
snd_soc_dapm_sync(codec);
Expand Down Expand Up @@ -215,14 +215,9 @@ static int spitz_set_spk(struct snd_kcontrol *kcontrol,
static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
if (machine_is_borzoi() || machine_is_spitz()) {
if (SND_SOC_DAPM_EVENT_ON(event))
set_scoop_gpio(&spitzscoop2_device.dev,
SPITZ_SCP2_MIC_BIAS);
else
reset_scoop_gpio(&spitzscoop2_device.dev,
SPITZ_SCP2_MIC_BIAS);
}
if (machine_is_borzoi() || machine_is_spitz())
gpio_set_value(SPITZ_GPIO_MIC_BIAS,
SND_SOC_DAPM_EVENT_ON(event));

if (machine_is_akita()) {
if (SND_SOC_DAPM_EVENT_ON(event))
Expand Down

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