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Commit 3d34a0d8 authored by wanzongshun's avatar wanzongshun Committed by Russell King
Browse files

ARM: 6141/1: Add audio support part in arch/arm/mach-w90x900 



Add audio support part in arch/arm/mach-w90x900

Signed-off-by: default avatarWan <ZongShun&lt;mcuos.com@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 27ada410

arch/arm/mach-w90x900/dev.c

+28 −0
Original line number Diff line number Diff line
@@ -423,6 +423,33 @@ void nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd) 
}

#endif



/* AUDIO controller*/

static u64 nuc900_device_audio_dmamask = -1;

static struct resource nuc900_ac97_resource[] = {

	[0] = {

		.start = W90X900_PA_ACTL,

		.end   = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,

		.flags = IORESOURCE_MEM,

	},

	[1] = {

		.start = IRQ_ACTL,

		.end   = IRQ_ACTL,

		.flags = IORESOURCE_IRQ,

	}



};



struct platform_device nuc900_device_audio = {

	.name		= "nuc900-audio",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(nuc900_ac97_resource),

	.resource	= nuc900_ac97_resource,

	.dev              = {

		.dma_mask               = &nuc900_device_audio_dmamask,

		.coherent_dma_mask      = -1,

	}

};



/*Here should be your evb resourse,such as LCD*/



static struct platform_device *nuc900_public_dev[] __initdata = {
@@ -434,6 +461,7 @@ static struct platform_device *nuc900_public_dev[] __initdata = { 
	&nuc900_device_emc,

	&nuc900_device_spi,

	&nuc900_device_wdt,

	&nuc900_device_audio,

};



/* Provide adding specific CPU platform devices API */

arch/arm/mach-w90x900/include/mach/mfp.h

0 → 100644
+24 −0
Original line number Diff line number Diff line 
/*

 * arch/arm/mach-w90x900/include/mach/mfp.h

 *

 * Copyright (c) 2010 Nuvoton technology corporation.

 *

 * Wan ZongShun <mcuos.com@gmail.com>

 *

 * Based on arch/arm/mach-s3c2410/include/mach/map.h

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation;version 2 of the License.

 *

 */



#ifndef __ASM_ARCH_MFP_H

#define __ASM_ARCH_MFP_H



extern void mfp_set_groupf(struct device *dev);

extern void mfp_set_groupc(struct device *dev);

extern void mfp_set_groupi(struct device *dev);

extern void mfp_set_groupg(struct device *dev);



#endif /* __ASM_ARCH_MFP_H */

arch/arm/mach-w90x900/mfp.c

+6 −0
Original line number Diff line number Diff line
@@ -36,9 +36,12 @@ 


#define GPIOG0TO1	(0x03 << 14)

#define GPIOG2TO3	(0x03 << 16)

#define GPIOG22TO23	(0x03 << 22)



#define ENSPI		(0x0a << 14)

#define ENI2C0		(0x01 << 14)

#define ENI2C1		(0x01 << 16)

#define ENAC97		(0x02 << 22)



static DEFINE_MUTEX(mfp_mutex);
@@ -146,6 +149,9 @@ void mfp_set_groupg(struct device *dev) 
	} else if (strcmp(dev_id, "nuc900-i2c1") == 0) {

		mfpen &= ~(GPIOG2TO3);

		mfpen |= ENI2C1;/*enable i2c1*/

	} else if (strcmp(dev_id, "nuc900-audio") == 0) {

		mfpen &= ~(GPIOG22TO23);

		mfpen |= ENAC97;/*enable AC97*/

	} else {

		mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/

	}