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Commit 068b432d authored by Seungwhan Youn's avatar Seungwhan Youn Committed by Kukjin Kim
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ARM: S5PC100: Add S/PDIF platform device 



This patch add S/PDIF platform device to support S/PDIF PCM audio
on S5PC100.

Signed-off-by: default avatarSeungwhan Youn <sw.youn@samsung.com>
Acked-by: default avatarJassi Brar <jassi.brar@samsung.com>
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 6b2cff96

arch/arm/mach-s5pc100/dev-audio.c

+54 −0
Original line number Diff line number Diff line
@@ -263,3 +263,57 @@ struct platform_device s5pc100_device_ac97 = { 
		.coherent_dma_mask = DMA_BIT_MASK(32),

	},

};



/* S/PDIF Controller platform_device */

static int s5pc100_spdif_cfg_gpd(struct platform_device *pdev)

{

	s3c_gpio_cfgpin_range(S5PC100_GPD(5), 2, S3C_GPIO_SFN(3));



	return 0;

}



static int s5pc100_spdif_cfg_gpg3(struct platform_device *pdev)

{

	s3c_gpio_cfgpin_range(S5PC100_GPG3(5), 2, S3C_GPIO_SFN(3));



	return 0;

}



static struct resource s5pc100_spdif_resource[] = {

	[0] = {

		.start	= S5PC100_PA_SPDIF,

		.end	= S5PC100_PA_SPDIF + 0x100 - 1,

		.flags	= IORESOURCE_MEM,

	},

	[1] = {

		.start	= DMACH_SPDIF,

		.end	= DMACH_SPDIF,

		.flags	= IORESOURCE_DMA,

	},

};



static struct s3c_audio_pdata s5p_spdif_pdata = {

	.cfg_gpio = s5pc100_spdif_cfg_gpd,

};



static u64 s5pc100_spdif_dmamask = DMA_BIT_MASK(32);



struct platform_device s5pc100_device_spdif = {

	.name		= "samsung-spdif",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(s5pc100_spdif_resource),

	.resource	= s5pc100_spdif_resource,

	.dev = {

		.platform_data = &s5p_spdif_pdata,

		.dma_mask = &s5pc100_spdif_dmamask,

		.coherent_dma_mask = DMA_BIT_MASK(32),

	},

};



void __init s5pc100_spdif_setup_gpio(int gpio)

{

	if (gpio == S5PC100_SPDIF_GPD)

		s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpd;

	else

		s5p_spdif_pdata.cfg_gpio = s5pc100_spdif_cfg_gpg3;

}

arch/arm/mach-s5pc100/include/mach/map.h

+2 −0
Original line number Diff line number Diff line
@@ -110,6 +110,8 @@ 
#define S5PC100_PA_PCM0		0xF2400000

#define S5PC100_PA_PCM1		0xF2500000



#define S5PC100_PA_SPDIF	0xF2600000



#define S5PC100_PA_TSADC	(0xF3000000)



/* KEYPAD */

arch/arm/mach-s5pc100/mach-smdkc100.c

+4 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ 
#include <plat/adc.h>

#include <plat/keypad.h>

#include <plat/ts.h>

#include <plat/audio.h>



/* Following are default values for UCON, ULCON and UFCON UART registers */

#define SMDKC100_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
@@ -196,6 +197,7 @@ static struct platform_device *smdkc100_devices[] __initdata = { 
	&s5p_device_fimc0,

	&s5p_device_fimc1,

	&s5p_device_fimc2,

	&s5pc100_device_spdif,

};



static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
@@ -226,6 +228,8 @@ static void __init smdkc100_machine_init(void) 


	samsung_keypad_set_platdata(&smdkc100_keypad_data);



	s5pc100_spdif_setup_gpio(S5PC100_SPDIF_GPD);



	/* LCD init */

	gpio_request(S5PC100_GPD(0), "GPD");

	gpio_request(S5PC100_GPH0(6), "GPH0");

arch/arm/plat-samsung/include/plat/audio.h

+9 −0
Original line number Diff line number Diff line
@@ -16,6 +16,15 @@ 
#define S3C64XX_AC97_GPE  1

extern void s3c64xx_ac97_setup_gpio(int);



/*

 * The machine init code calls s5p*_spdif_setup_gpio with

 * one of these defines in order to select appropriate bank

 * of GPIO for S/PDIF pins

 */

#define S5PC100_SPDIF_GPD  0

#define S5PC100_SPDIF_GPG3 1

extern void s5pc100_spdif_setup_gpio(int);



/**

 * struct s3c_audio_pdata - common platform data for audio device drivers

 * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode

arch/arm/plat-samsung/include/plat/devs.h

+1 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ extern struct platform_device s5pc100_device_pcm1; 
extern struct platform_device s5pc100_device_iis0;

extern struct platform_device s5pc100_device_iis1;

extern struct platform_device s5pc100_device_iis2;

extern struct platform_device s5pc100_device_spdif;



extern struct platform_device samsung_device_keypad;