summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-s5p64x0/dev-audio.c
blob: 14f89e73b8de68f98b76bdf3bdb9fcab8ed772e7 (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
128
129
130
131
132
133
134
135
136
137
138
139
/* 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,
	},
};