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yaml
---
r: 112406
b: refs/heads/master
c: 9d70875
h: refs/heads/master
v: v3
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Eric Miao authored and Russell King committed Sep 23, 2008
1 parent b21534a commit 3ea211d
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Showing 2 changed files with 62 additions and 19 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 9ee40d9acf928ef561d655e78cf6c97546b8b4fc
refs/heads/master: 9d7087527f51c4eb7f30f0a9a3ad514e76bde3fd
79 changes: 61 additions & 18 deletions trunk/arch/arm/mach-pxa/corgi.c
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
#include <linux/interrupt.h>
#include <linux/mmc/host.h>
#include <linux/pm.h>
#include <linux/gpio.h>
#include <linux/backlight.h>
#include <video/w100fb.h>

Expand Down Expand Up @@ -414,38 +415,64 @@ static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, vo
/* setup GPIO for PXA25x MMC controller */
pxa_gpio_mode(GPIO6_MMCCLK_MD);
pxa_gpio_mode(GPIO8_MMCCS0_MD);
pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);

corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
err = gpio_request(CORGI_GPIO_nSD_DETECT, "nSD_DETECT");
if (err)
goto err_out;

err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC card detect", data);
err = gpio_request(CORGI_GPIO_nSD_WP, "nSD_WP");
if (err)
printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
goto err_free_1;

err = gpio_request(CORGI_GPIO_SD_PWR, "SD_PWR");
if (err)
goto err_free_2;

gpio_direction_input(CORGI_GPIO_nSD_DETECT);
gpio_direction_input(CORGI_GPIO_nSD_WP);
gpio_direction_output(CORGI_GPIO_SD_PWR, 0);

corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);

err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
IRQF_DISABLED | IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING,
"MMC card detect", data);
if (err) {
pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
__func__);
goto err_free_3;
}
return 0;

err_free_3:
gpio_free(CORGI_GPIO_SD_PWR);
err_free_2:
gpio_free(CORGI_GPIO_nSD_WP);
err_free_1:
gpio_free(CORGI_GPIO_nSD_DETECT);
err_out:
return err;
}

static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;

if (( 1 << vdd) & p_d->ocr_mask)
GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
else
GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
gpio_set_value(CORGI_GPIO_SD_PWR, ((1 << vdd) & p_d->ocr_mask));
}

static int corgi_mci_get_ro(struct device *dev)
{
return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
return gpio_get_value(CORGI_GPIO_nSD_WP);
}

static void corgi_mci_exit(struct device *dev, void *data)
{
free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
gpio_free(CORGI_GPIO_SD_PWR);
gpio_free(CORGI_GPIO_nSD_WP);
gpio_free(CORGI_GPIO_nSD_DETECT);
}

static struct pxamci_platform_data corgi_mci_platform_data = {
Expand All @@ -462,16 +489,32 @@ static struct pxamci_platform_data corgi_mci_platform_data = {
*/
static void corgi_irda_transceiver_mode(struct device *dev, int mode)
{
if (mode & IR_OFF)
GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
else
GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
gpio_set_value(CORGI_GPIO_IR_ON, mode & IR_OFF);
pxa2xx_transceiver_mode(dev, mode);
}

static int corgi_irda_startup(struct device *dev)
{
int err;

err = gpio_request(CORGI_GPIO_IR_ON, "IR_ON");
if (err)
return err;

gpio_direction_output(CORGI_GPIO_IR_ON, 1);
return 0;
}

static void corgi_irda_shutdown(struct device *dev)
{
gpio_free(CORGI_GPIO_IR_ON);
}

static struct pxaficp_platform_data corgi_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_OFF,
.transceiver_mode = corgi_irda_transceiver_mode,
.transceiver_cap = IR_SIRMODE | IR_OFF,
.transceiver_mode = corgi_irda_transceiver_mode,
.startup = corgi_irda_startup,
.shutdown = corgi_irda_shutdown,
};


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