leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: S3C64XX: Add I2S resources in platform code

Browse Source 
Define resources needed by the I2S drivers in platform code.
Audio cfg_gpio callback and IORESOURCE_DMA are added.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Jassi Brar 2010-01-06 15:33:44 +09:00 committed by Ben Dooks
parent 206090913d
commit 71269364a8
1 changed files with 90 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

91
arch/arm/plat-s3c64xx/dev-audio.c
View File

@ -3,7 +3,6 @@
* Copyright 2009 Wolfson Microelectronics
* Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
@ -20,16 +19,69 @@
#include <plat/devs.h>
#include <plat/audio.h>
#include <plat/gpio-bank-c.h>
#include <plat/gpio-bank-d.h>
#include <plat/gpio-bank-e.h>
#include <plat/gpio-bank-h.h>
#include <plat/gpio-cfg.h>
static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
{
switch (pdev->id) {
case 0:
s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK);
s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_I2S0_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_I2S0_DI);
s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_I2S0_D0);
break;
case 1:
s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_I2S1_CLK);
s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_I2S1_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
default:
printk(KERN_DEBUG "Invalid I2S Controller number!");
return -EINVAL;
}
return 0;
}
static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
{
s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S0_V40_DO);
s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S1_V40_DO);
s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S2_V40_DO);
s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
return 0;
}
static struct resource s3c64xx_iis0_resource[] = {
[0] = {
.start = S3C64XX_PA_IIS0,
.end = S3C64XX_PA_IIS0 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_I2S0_OUT,
.end = DMACH_I2S0_OUT,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_I2S0_IN,
.end = DMACH_I2S0_IN,
.flags = IORESOURCE_DMA,
},
};
struct s3c_audio_pdata s3c_i2s0_pdata = {
.cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
};
struct platform_device s3c64xx_device_iis0 = {
@ -37,6 +89,9 @@ struct platform_device s3c64xx_device_iis0 = {
.id = 0,
.num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
.resource = s3c64xx_iis0_resource,
.dev = {
.platform_data = &s3c_i2s0_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis0);
@ -46,6 +101,20 @@ static struct resource s3c64xx_iis1_resource[] = {
.end = S3C64XX_PA_IIS1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_I2S1_OUT,
.end = DMACH_I2S1_OUT,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_I2S1_IN,
.end = DMACH_I2S1_IN,
.flags = IORESOURCE_DMA,
},
};
struct s3c_audio_pdata s3c_i2s1_pdata = {
.cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
};
struct platform_device s3c64xx_device_iis1 = {
@ -53,6 +122,9 @@ struct platform_device s3c64xx_device_iis1 = {
.id = 1,
.num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
.resource = s3c64xx_iis1_resource,
.dev = {
.platform_data = &s3c_i2s1_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis1);
@ -62,6 +134,20 @@ static struct resource s3c64xx_iisv4_resource[] = {
.end = S3C64XX_PA_IISV4 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_HSI_I2SV40_TX,
.end = DMACH_HSI_I2SV40_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_HSI_I2SV40_RX,
.end = DMACH_HSI_I2SV40_RX,
.flags = IORESOURCE_DMA,
},
};
struct s3c_audio_pdata s3c_i2sv4_pdata = {
.cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
};
struct platform_device s3c64xx_device_iisv4 = {
@ -69,6 +155,9 @@ struct platform_device s3c64xx_device_iisv4 = {
.id = -1,
.num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
.resource = s3c64xx_iisv4_resource,
.dev = {
.platform_data = &s3c_i2sv4_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iisv4);