Commit 36033422 authored by Ian Molton's avatar Ian Molton
Browse files

[ARM] IrDA support for e7xx 



This patchset provides a fully functional SIR IrDA driver for the Toshiba
e7xx PDAs.

Signed-off-by: default avatarIan Molton <spyro@f2s.com>
parent 5e1dbdb4

arch/arm/mach-pxa/e740.c

+6 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <mach/mfp-pxa25x.h>

#include <mach/hardware.h>

#include <mach/udc.h>

#include <mach/irda.h>



#include "generic.h"

#include "eseries.h"
@@ -118,6 +119,9 @@ static unsigned long e740_pin_config[] __initdata = { 
	GPIO44_BTUART_CTS,

	GPIO45_GPIO, /* Used by TMIO for #SUSPEND */



	/* IrDA */

	GPIO38_GPIO | MFP_LPM_DRIVE_HIGH,



	/* PC Card */

	GPIO8_GPIO,   /* CD0 */

	GPIO44_GPIO,  /* CD1 */
@@ -153,6 +157,8 @@ static void __init e740_init(void) 
	pxa2xx_mfp_config(ARRAY_AND_SIZE(e740_pin_config));

	platform_add_devices(devices, ARRAY_SIZE(devices));

	pxa_set_udc_info(&e7xx_udc_mach_info);

	e7xx_irda_init();

	pxa_set_ficp_info(&e7xx_ficp_platform_data);

}



MACHINE_START(E740, "Toshiba e740")

arch/arm/mach-pxa/e750.c

+3 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <mach/mfp-pxa25x.h>

#include <mach/hardware.h>

#include <mach/udc.h>

#include <mach/irda.h>



#include "generic.h"

#include "eseries.h"
@@ -110,6 +111,8 @@ static void __init e750_init(void) 
{

	platform_add_devices(devices, ARRAY_SIZE(devices));

	pxa_set_udc_info(&e7xx_udc_mach_info);

	e7xx_irda_init();

	pxa_set_ficp_info(&e7xx_ficp_platform_data);

}



MACHINE_START(E750, "Toshiba e750")

arch/arm/mach-pxa/eseries.c

+43 −0
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@ 


#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/gpio.h>

#include <linux/platform_device.h>



#include <asm/setup.h>

#include <asm/mach/arch.h>
@@ -21,6 +23,7 @@ 
#include <mach/hardware.h>

#include <mach/eseries-gpio.h>

#include <mach/udc.h>

#include <mach/irda.h>



#include "generic.h"
@@ -43,3 +46,43 @@ struct pxa2xx_udc_mach_info e7xx_udc_mach_info = { 
	.gpio_pullup_inverted = 1

};



static void e7xx_irda_transceiver_mode(struct device *dev, int mode)

{

	if (mode & IR_OFF) {

		gpio_set_value(GPIO_E7XX_IR_OFF, 1);

		pxa2xx_transceiver_mode(dev, mode);

	} else {

		pxa2xx_transceiver_mode(dev, mode);

		gpio_set_value(GPIO_E7XX_IR_OFF, 0);

	}

}



int e7xx_irda_init(void)

{

	int ret;



	ret = gpio_request(GPIO_E7XX_IR_OFF, "IrDA power");

	if (ret)

		goto out;



	ret = gpio_direction_output(GPIO_E7XX_IR_OFF, 0);

	if (ret)

		goto out;



	e7xx_irda_transceiver_mode(NULL, IR_SIRMODE | IR_OFF);

out:

	return ret;

}



static void e7xx_irda_shutdown(struct device *dev)

{

	e7xx_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);

	gpio_free(GPIO_E7XX_IR_OFF);

}



struct pxaficp_platform_data e7xx_ficp_platform_data = {

	.transceiver_cap  = IR_SIRMODE | IR_OFF,

	.transceiver_mode = e7xx_irda_transceiver_mode,

	.shutdown = e7xx_irda_shutdown,

};

arch/arm/mach-pxa/eseries.h

+3 −0
Original line number Diff line number Diff line
@@ -2,3 +2,6 @@ void __init eseries_fixup(struct machine_desc *desc, 
	struct tag *tags, char **cmdline, struct meminfo *mi);



extern struct pxa2xx_udc_mach_info e7xx_udc_mach_info;

extern struct pxaficp_platform_data e7xx_ficp_platform_data;

extern int e7xx_irda_init(void);

arch/arm/mach-pxa/include/mach/eseries-gpio.h

+1 −1
Original line number Diff line number Diff line
@@ -43,7 +43,7 @@ 
#define GPIO_E800_PCMCIA_PWR1    73



/* e7xx IrDA power control */

#define GPIO_E7XX_IR_ON          38

#define GPIO_E7XX_IR_OFF         38



/* ASIC related GPIOs */

#define GPIO_ESERIES_TMIO_IRQ        5