kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

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

Signed-off-by: Wan ZongShun<mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
wanzongshun 2010-05-22 15:23:23 +01:00 committed by Russell King
parent 27ada410c7
commit 3d34a0d80a
3 changed files with 58 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
arch/arm/mach-w90x900/dev.c
View file

@ -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 */

24
arch/arm/mach-w90x900/include/mach/mfp.h Normal file
View file

@ -0,0 +1,24 @@
/*
* 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 */

6
arch/arm/mach-w90x900/mfp.c
View file

@ -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]*/
}