summaryrefslogtreecommitdiff
path: root/arch/arm/mach-s5p6440/dev-audio.c
blob: 0c5367962830c31982a518f0345949297aca507f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
/* linux/arch/arm/mach-s5p6440/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 <plat/gpio-cfg.h>
#include <plat/audio.h>

#include <mach/gpio.h>
#include <mach/map.h>
#include <mach/dma.h>
#include <mach/irqs.h>

static int s5p6440_cfg_i2s(struct platform_device *pdev)
{
	/* configure GPIO for i2s port */
	switch (pdev->id) {
	case -1:
		s3c_gpio_cfgpin(S5P6440_GPR(4), S3C_GPIO_SFN(5));
		s3c_gpio_cfgpin(S5P6440_GPR(5), S3C_GPIO_SFN(5));
		s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(5));
		s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(5));
		s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(5));
		s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(5));
		s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(5));
		break;

	default:
		printk(KERN_ERR "Invalid Device %d\n", pdev->id);
		return -EINVAL;
	}

	return 0;
}

static struct s3c_audio_pdata s3c_i2s_pdata = {
	.cfg_gpio = s5p6440_cfg_i2s,
};

static struct resource s5p6440_iis0_resource[] = {
	[0] = {
		.start = S5P6440_PA_I2S,
		.end   = S5P6440_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		  = "s3c64xx-iis-v4",
	.id		  = -1,
	.num_resources	  = ARRAY_SIZE(s5p6440_iis0_resource),
	.resource	  = s5p6440_iis0_resource,
	.dev = {
		.platform_data = &s3c_i2s_pdata,
	},
};

/* PCM Controller platform_devices */

static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
{
	switch (pdev->id) {
	case 0:
		s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));
		s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));
		s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));
		s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));
		s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));
		break;

	default:
		printk(KERN_DEBUG "Invalid PCM Controller number!");
		return -EINVAL;
	}

	return 0;
}

static struct s3c_audio_pdata s3c_pcm_pdata = {
	.cfg_gpio = s5p6440_pcm_cfg_gpio,
};

static struct resource s5p6440_pcm0_resource[] = {
	[0] = {
		.start = S5P6440_PA_PCM,
		.end   = S5P6440_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 = &s3c_pcm_pdata,
	},
};