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review.evervolv.com / android_kernel_oneplus_msm8996 / 38a81da2205f94e8a2a834b51a6b99c91fc7c2e8 / . / arch / arm / mach-s5p6442 / dev-audio.c
blob: 7a4e34720b7bc8168bb73e9e31af4a16d99c5894 [file] [log] [blame]
Jassi Brar070c8082010-05-18 16:02:50 +0900[diff] [blame]1/* linux/arch/arm/mach-s5p6442/dev-audio.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co. Ltd
4 * Jaswinder Singh <jassi.brar@samsung.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/platform_device.h>
12#include <linux/dma-mapping.h>
Kukjin Kim1c739c72010-08-05 07:54:49 +0900[diff] [blame]13#include <linux/gpio.h>
Jassi Brar070c8082010-05-18 16:02:50 +0900[diff] [blame]14
15#include <plat/gpio-cfg.h>
16#include <plat/audio.h>
17
Jassi Brar070c8082010-05-18 16:02:50 +0900[diff] [blame]18#include <mach/map.h>
19#include <mach/dma.h>
20#include <mach/irqs.h>
21
22static int s5p6442_cfg_i2s(struct platform_device *pdev)
23{
24 /* configure GPIO for i2s port */
25 switch (pdev->id) {
26 case 1:
27 s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(2));
28 s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(2));
29 s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(2));
30 s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(2));
31 s3c_gpio_cfgpin(S5P6442_GPC1(4), S3C_GPIO_SFN(2));
32 break;
33
34 case -1:
35 s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(2));
36 s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(2));
37 s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(2));
38 s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(2));
39 s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(2));
40 break;
41
42 default:
43 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
44 return -EINVAL;
45 }
46
47 return 0;
48}
49
50static struct s3c_audio_pdata s3c_i2s_pdata = {
51 .cfg_gpio = s5p6442_cfg_i2s,
52};
53
54static struct resource s5p6442_iis0_resource[] = {
55 [0] = {
56 .start = S5P6442_PA_I2S0,
57 .end = S5P6442_PA_I2S0 + 0x100 - 1,
58 .flags = IORESOURCE_MEM,
59 },
60 [1] = {
61 .start = DMACH_I2S0_TX,
62 .end = DMACH_I2S0_TX,
63 .flags = IORESOURCE_DMA,
64 },
65 [2] = {
66 .start = DMACH_I2S0_RX,
67 .end = DMACH_I2S0_RX,
68 .flags = IORESOURCE_DMA,
69 },
70};
71
72struct platform_device s5p6442_device_iis0 = {
73 .name = "s3c64xx-iis-v4",
74 .id = -1,
75 .num_resources = ARRAY_SIZE(s5p6442_iis0_resource),
76 .resource = s5p6442_iis0_resource,
77 .dev = {
78 .platform_data = &s3c_i2s_pdata,
79 },
80};
81
82static struct resource s5p6442_iis1_resource[] = {
83 [0] = {
84 .start = S5P6442_PA_I2S1,
85 .end = S5P6442_PA_I2S1 + 0x100 - 1,
86 .flags = IORESOURCE_MEM,
87 },
88 [1] = {
89 .start = DMACH_I2S1_TX,
90 .end = DMACH_I2S1_TX,
91 .flags = IORESOURCE_DMA,
92 },
93 [2] = {
94 .start = DMACH_I2S1_RX,
95 .end = DMACH_I2S1_RX,
96 .flags = IORESOURCE_DMA,
97 },
98};
99
100struct platform_device s5p6442_device_iis1 = {
101 .name = "s3c64xx-iis",
102 .id = 1,
103 .num_resources = ARRAY_SIZE(s5p6442_iis1_resource),
104 .resource = s5p6442_iis1_resource,
105 .dev = {
106 .platform_data = &s3c_i2s_pdata,
107 },
108};
109
110/* PCM Controller platform_devices */
111
112static int s5p6442_pcm_cfg_gpio(struct platform_device *pdev)
113{
114 switch (pdev->id) {
115 case 0:
116 s3c_gpio_cfgpin(S5P6442_GPC0(0), S3C_GPIO_SFN(3));
117 s3c_gpio_cfgpin(S5P6442_GPC0(1), S3C_GPIO_SFN(3));
118 s3c_gpio_cfgpin(S5P6442_GPC0(2), S3C_GPIO_SFN(3));
119 s3c_gpio_cfgpin(S5P6442_GPC0(3), S3C_GPIO_SFN(3));
120 s3c_gpio_cfgpin(S5P6442_GPC0(4), S3C_GPIO_SFN(3));
121 break;
122
123 case 1:
124 s3c_gpio_cfgpin(S5P6442_GPC1(0), S3C_GPIO_SFN(3));
125 s3c_gpio_cfgpin(S5P6442_GPC1(1), S3C_GPIO_SFN(3));
126 s3c_gpio_cfgpin(S5P6442_GPC1(2), S3C_GPIO_SFN(3));
127 s3c_gpio_cfgpin(S5P6442_GPC1(3), S3C_GPIO_SFN(3));
128 s3c_gpio_cfgpin(S5P6442_GPC1(4), S3C_GPIO_SFN(3));
129 break;
130
131 default:
132 printk(KERN_DEBUG "Invalid PCM Controller number!");
133 return -EINVAL;
134 }
135
136 return 0;
137}
138
139static struct s3c_audio_pdata s3c_pcm_pdata = {
140 .cfg_gpio = s5p6442_pcm_cfg_gpio,
141};
142
143static struct resource s5p6442_pcm0_resource[] = {
144 [0] = {
145 .start = S5P6442_PA_PCM0,
146 .end = S5P6442_PA_PCM0 + 0x100 - 1,
147 .flags = IORESOURCE_MEM,
148 },
149 [1] = {
150 .start = DMACH_PCM0_TX,
151 .end = DMACH_PCM0_TX,
152 .flags = IORESOURCE_DMA,
153 },
154 [2] = {
155 .start = DMACH_PCM0_RX,
156 .end = DMACH_PCM0_RX,
157 .flags = IORESOURCE_DMA,
158 },
159};
160
161struct platform_device s5p6442_device_pcm0 = {
162 .name = "samsung-pcm",
163 .id = 0,
164 .num_resources = ARRAY_SIZE(s5p6442_pcm0_resource),
165 .resource = s5p6442_pcm0_resource,
166 .dev = {
167 .platform_data = &s3c_pcm_pdata,
168 },
169};
170
171static struct resource s5p6442_pcm1_resource[] = {
172 [0] = {
173 .start = S5P6442_PA_PCM1,
174 .end = S5P6442_PA_PCM1 + 0x100 - 1,
175 .flags = IORESOURCE_MEM,
176 },
177 [1] = {
178 .start = DMACH_PCM1_TX,
179 .end = DMACH_PCM1_TX,
180 .flags = IORESOURCE_DMA,
181 },
182 [2] = {
183 .start = DMACH_PCM1_RX,
184 .end = DMACH_PCM1_RX,
185 .flags = IORESOURCE_DMA,
186 },
187};
188
189struct platform_device s5p6442_device_pcm1 = {
190 .name = "samsung-pcm",
191 .id = 1,
192 .num_resources = ARRAY_SIZE(s5p6442_pcm1_resource),
193 .resource = s5p6442_pcm1_resource,
194 .dev = {
195 .platform_data = &s3c_pcm_pdata,
196 },
197};