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linux-next/arch/arm/mach-s5p64x0/dev-audio.c
Jassi Brar d9a93c345a ARM: S5P64X0: Upgrade platform device for I2S
Add more information to I2S platform_devices in order
to prepare them for new controller driver.
Also, discard duplicated gpio-cfg.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-11-19 08:49:44 +09:00

140 lines
2.9 KiB
C

/* linux/arch/arm/mach-s5p64x0/dev-audio.c
*
* Copyright (c) 2010 Samsung Electronics Co. Ltd
* Jaswinder Singh <jassi.brar@samsung.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.
*/
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
#include <plat/audio.h>
#include <mach/map.h>
#include <mach/dma.h>
#include <mach/irqs.h>
static const char *rclksrc[] = {
[0] = "iis",
[1] = "sclk_audio2",
};
static int s5p64x0_cfg_i2s(struct platform_device *pdev)
{
/* configure GPIO for i2s port */
switch (pdev->id) {
case 0:
s3c_gpio_cfgpin_range(S5P6440_GPR(4), 5, S3C_GPIO_SFN(5));
s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(5));
break;
default:
printk(KERN_ERR "Invalid Device %d\n", pdev->id);
return -EINVAL;
}
return 0;
}
static struct s3c_audio_pdata s5p64x0_i2s_pdata = {
.cfg_gpio = s5p64x0_cfg_i2s,
.type = {
.i2s = {
.quirks = QUIRK_PRI_6CHAN,
.src_clk = rclksrc,
},
},
};
static struct resource s5p64x0_iis0_resource[] = {
[0] = {
.start = S5P64X0_PA_I2S,
.end = S5P64X0_PA_I2S + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_I2S0_TX,
.end = DMACH_I2S0_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_I2S0_RX,
.end = DMACH_I2S0_RX,
.flags = IORESOURCE_DMA,
},
};
struct platform_device s5p6440_device_iis = {
.name = "samsung-i2s",
.id = 0,
.num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
.resource = s5p64x0_iis0_resource,
.dev = {
.platform_data = &s5p64x0_i2s_pdata,
},
};
struct platform_device s5p6450_device_iis0 = {
.name = "samsung-i2s",
.id = 0,
.num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
.resource = s5p64x0_iis0_resource,
.dev = {
.platform_data = &s5p64x0_i2s_pdata,
},
};
/* PCM Controller platform_devices */
static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
{
switch (pdev->id) {
case 0:
s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
break;
default:
printk(KERN_DEBUG "Invalid PCM Controller number!");
return -EINVAL;
}
return 0;
}
static struct s3c_audio_pdata s5p6440_pcm_pdata = {
.cfg_gpio = s5p6440_pcm_cfg_gpio,
};
static struct resource s5p6440_pcm0_resource[] = {
[0] = {
.start = S5P64X0_PA_PCM,
.end = S5P64X0_PA_PCM + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_PCM0_TX,
.end = DMACH_PCM0_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_PCM0_RX,
.end = DMACH_PCM0_RX,
.flags = IORESOURCE_DMA,
},
};
struct platform_device s5p6440_device_pcm = {
.name = "samsung-pcm",
.id = 0,
.num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
.resource = s5p6440_pcm0_resource,
.dev = {
.platform_data = &s5p6440_pcm_pdata,
},
};