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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/* linux/arch/arm/mach-s5p6442/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 int s5p6442_cfg_i2s(struct platform_device *pdev)
{
unsigned int base;
/* configure GPIO for i2s port */
switch (pdev->id) {
case 1:
base = S5P6442_GPC1(0);
break;
case -1:
base = S5P6442_GPC0(0);
break;
default:
printk(KERN_ERR "Invalid Device %d\n", pdev->id);
return -EINVAL;
}
s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
return 0;
}
static struct s3c_audio_pdata s3c_i2s_pdata = {
.cfg_gpio = s5p6442_cfg_i2s,
};
static struct resource s5p6442_iis0_resource[] = {
[0] = {
.start = S5P6442_PA_I2S0,
.end = S5P6442_PA_I2S0 + 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 s5p6442_device_iis0 = {
.name = "s3c64xx-iis-v4",
.id = -1,
.num_resources = ARRAY_SIZE(s5p6442_iis0_resource),
.resource = s5p6442_iis0_resource,
.dev = {
.platform_data = &s3c_i2s_pdata,
},
};
static struct resource s5p6442_iis1_resource[] = {
[0] = {
.start = S5P6442_PA_I2S1,
.end = S5P6442_PA_I2S1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_I2S1_TX,
.end = DMACH_I2S1_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_I2S1_RX,
.end = DMACH_I2S1_RX,
.flags = IORESOURCE_DMA,
},
};
struct platform_device s5p6442_device_iis1 = {
.name = "s3c64xx-iis",
.id = 1,
.num_resources = ARRAY_SIZE(s5p6442_iis1_resource),
.resource = s5p6442_iis1_resource,
.dev = {
.platform_data = &s3c_i2s_pdata,
},
};
/* PCM Controller platform_devices */
static int s5p6442_pcm_cfg_gpio(struct platform_device *pdev)
{
unsigned int base;
switch (pdev->id) {
case 0:
base = S5P6442_GPC0(0);
break;
case 1:
base = S5P6442_GPC1(0);
break;
default:
printk(KERN_DEBUG "Invalid PCM Controller number!");
return -EINVAL;
}
s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
return 0;
}
static struct s3c_audio_pdata s3c_pcm_pdata = {
.cfg_gpio = s5p6442_pcm_cfg_gpio,
};
static struct resource s5p6442_pcm0_resource[] = {
[0] = {
.start = S5P6442_PA_PCM0,
.end = S5P6442_PA_PCM0 + 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 s5p6442_device_pcm0 = {
.name = "samsung-pcm",
.id = 0,
.num_resources = ARRAY_SIZE(s5p6442_pcm0_resource),
.resource = s5p6442_pcm0_resource,
.dev = {
.platform_data = &s3c_pcm_pdata,
},
};
static struct resource s5p6442_pcm1_resource[] = {
[0] = {
.start = S5P6442_PA_PCM1,
.end = S5P6442_PA_PCM1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_PCM1_TX,
.end = DMACH_PCM1_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_PCM1_RX,
.end = DMACH_PCM1_RX,
.flags = IORESOURCE_DMA,
},
};
struct platform_device s5p6442_device_pcm1 = {
.name = "samsung-pcm",
.id = 1,
.num_resources = ARRAY_SIZE(s5p6442_pcm1_resource),
.resource = s5p6442_pcm1_resource,
.dev = {
.platform_data = &s3c_pcm_pdata,
},
};
|
