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review.evervolv.com / android_kernel_htc_msm8960 / e661faa488450786e295ac9b40e89abce8141e92 / . / arch / arm / mach-s5p64x0 / dev-audio.c
blob: fa097bd68ca40163b68594d9df3f6e003dea5579 [file] [log] [blame]
Kukjin Kime661faa2010-09-08 19:21:23 +0900[diff] [blame^]1/* linux/arch/arm/mach-s5p64x0/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>
13#include <linux/gpio.h>
14
15#include <plat/gpio-cfg.h>
16#include <plat/audio.h>
17
18#include <mach/map.h>
19#include <mach/dma.h>
20#include <mach/irqs.h>
21
22static int s5p6440_cfg_i2s(struct platform_device *pdev)
23{
24 /* configure GPIO for i2s port */
25 switch (pdev->id) {
26 case -1:
27 s3c_gpio_cfgpin(S5P6440_GPR(4), S3C_GPIO_SFN(5));
28 s3c_gpio_cfgpin(S5P6440_GPR(5), S3C_GPIO_SFN(5));
29 s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(5));
30 s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(5));
31 s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(5));
32 s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(5));
33 s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(5));
34 break;
35
36 default:
37 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
38 return -EINVAL;
39 }
40
41 return 0;
42}
43
44static int s5p6450_cfg_i2s(struct platform_device *pdev)
45{
46 /* configure GPIO for i2s port */
47 switch (pdev->id) {
48 case -1:
49 s3c_gpio_cfgpin(S5P6450_GPB(4), S3C_GPIO_SFN(5));
50 s3c_gpio_cfgpin(S5P6450_GPR(4), S3C_GPIO_SFN(5));
51 s3c_gpio_cfgpin(S5P6450_GPR(5), S3C_GPIO_SFN(5));
52 s3c_gpio_cfgpin(S5P6450_GPR(6), S3C_GPIO_SFN(5));
53 s3c_gpio_cfgpin(S5P6450_GPR(7), S3C_GPIO_SFN(5));
54 s3c_gpio_cfgpin(S5P6450_GPR(8), S3C_GPIO_SFN(5));
55 s3c_gpio_cfgpin(S5P6450_GPR(13), S3C_GPIO_SFN(5));
56 s3c_gpio_cfgpin(S5P6450_GPR(14), S3C_GPIO_SFN(5));
57 break;
58
59 default:
60 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
61 return -EINVAL;
62 }
63
64 return 0;
65}
66
67static struct s3c_audio_pdata s5p6440_i2s_pdata = {
68 .cfg_gpio = s5p6440_cfg_i2s,
69};
70
71static struct s3c_audio_pdata s5p6450_i2s_pdata = {
72 .cfg_gpio = s5p6450_cfg_i2s,
73};
74
75static struct resource s5p64x0_iis0_resource[] = {
76 [0] = {
77 .start = S5P64X0_PA_I2S,
78 .end = S5P64X0_PA_I2S + 0x100 - 1,
79 .flags = IORESOURCE_MEM,
80 },
81 [1] = {
82 .start = DMACH_I2S0_TX,
83 .end = DMACH_I2S0_TX,
84 .flags = IORESOURCE_DMA,
85 },
86 [2] = {
87 .start = DMACH_I2S0_RX,
88 .end = DMACH_I2S0_RX,
89 .flags = IORESOURCE_DMA,
90 },
91};
92
93struct platform_device s5p6440_device_iis = {
94 .name = "s3c64xx-iis-v4",
95 .id = -1,
96 .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
97 .resource = s5p64x0_iis0_resource,
98 .dev = {
99 .platform_data = &s5p6440_i2s_pdata,
100 },
101};
102
103struct platform_device s5p6450_device_iis0 = {
104 .name = "s3c64xx-iis-v4",
105 .id = -1,
106 .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
107 .resource = s5p64x0_iis0_resource,
108 .dev = {
109 .platform_data = &s5p6450_i2s_pdata,
110 },
111};
112
113/* PCM Controller platform_devices */
114
115static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
116{
117 switch (pdev->id) {
118 case 0:
119 s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));
120 s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));
121 s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));
122 s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));
123 s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));
124 break;
125
126 default:
127 printk(KERN_DEBUG "Invalid PCM Controller number!");
128 return -EINVAL;
129 }
130
131 return 0;
132}
133
134static struct s3c_audio_pdata s5p6440_pcm_pdata = {
135 .cfg_gpio = s5p6440_pcm_cfg_gpio,
136};
137
138static struct resource s5p6440_pcm0_resource[] = {
139 [0] = {
140 .start = S5P64X0_PA_PCM,
141 .end = S5P64X0_PA_PCM + 0x100 - 1,
142 .flags = IORESOURCE_MEM,
143 },
144 [1] = {
145 .start = DMACH_PCM0_TX,
146 .end = DMACH_PCM0_TX,
147 .flags = IORESOURCE_DMA,
148 },
149 [2] = {
150 .start = DMACH_PCM0_RX,
151 .end = DMACH_PCM0_RX,
152 .flags = IORESOURCE_DMA,
153 },
154};
155
156struct platform_device s5p6440_device_pcm = {
157 .name = "samsung-pcm",
158 .id = 0,
159 .num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
160 .resource = s5p6440_pcm0_resource,
161 .dev = {
162 .platform_data = &s5p6440_pcm_pdata,
163 },
164};