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android-kvm / linux / 20054bd65703f7504a9daceabc2a060828fde36c / . / arch / arm / mach-s5p64x0 / dev-audio.c
blob: 396bacc0a39a67289bec66f96225924dcc09f00d [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:
Ben Dooksaf94e572010-10-01 13:45:54 +0900[diff] [blame]27 s3c_gpio_cfgpin_range(S5P6440_GPR(4), 5, S3C_GPIO_SFN(5));
28 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(5));
Kukjin Kime661faa2010-09-08 19:21:23 +0900[diff] [blame]29 break;
30
31 default:
32 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
33 return -EINVAL;
34 }
35
36 return 0;
37}
38
39static int s5p6450_cfg_i2s(struct platform_device *pdev)
40{
41 /* configure GPIO for i2s port */
42 switch (pdev->id) {
43 case -1:
44 s3c_gpio_cfgpin(S5P6450_GPB(4), S3C_GPIO_SFN(5));
Ben Dooksaf94e572010-10-01 13:45:54 +0900[diff] [blame]45 s3c_gpio_cfgpin_range(S5P6450_GPR(4), 5, S3C_GPIO_SFN(5));
46 s3c_gpio_cfgpin_range(S5P6450_GPR(13), 2, S3C_GPIO_SFN(5));
47
Kukjin Kime661faa2010-09-08 19:21:23 +0900[diff] [blame]48 break;
49
50 default:
51 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
52 return -EINVAL;
53 }
54
55 return 0;
56}
57
58static struct s3c_audio_pdata s5p6440_i2s_pdata = {
59 .cfg_gpio = s5p6440_cfg_i2s,
60};
61
62static struct s3c_audio_pdata s5p6450_i2s_pdata = {
63 .cfg_gpio = s5p6450_cfg_i2s,
64};
65
66static struct resource s5p64x0_iis0_resource[] = {
67 [0] = {
68 .start = S5P64X0_PA_I2S,
69 .end = S5P64X0_PA_I2S + 0x100 - 1,
70 .flags = IORESOURCE_MEM,
71 },
72 [1] = {
73 .start = DMACH_I2S0_TX,
74 .end = DMACH_I2S0_TX,
75 .flags = IORESOURCE_DMA,
76 },
77 [2] = {
78 .start = DMACH_I2S0_RX,
79 .end = DMACH_I2S0_RX,
80 .flags = IORESOURCE_DMA,
81 },
82};
83
84struct platform_device s5p6440_device_iis = {
85 .name = "s3c64xx-iis-v4",
86 .id = -1,
87 .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
88 .resource = s5p64x0_iis0_resource,
89 .dev = {
90 .platform_data = &s5p6440_i2s_pdata,
91 },
92};
93
94struct platform_device s5p6450_device_iis0 = {
95 .name = "s3c64xx-iis-v4",
96 .id = -1,
97 .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
98 .resource = s5p64x0_iis0_resource,
99 .dev = {
100 .platform_data = &s5p6450_i2s_pdata,
101 },
102};
103
104/* PCM Controller platform_devices */
105
106static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
107{
108 switch (pdev->id) {
109 case 0:
Ben Dooksaf94e572010-10-01 13:45:54 +0900[diff] [blame]110 s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
111 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
Kukjin Kime661faa2010-09-08 19:21:23 +0900[diff] [blame]112 break;
113
114 default:
115 printk(KERN_DEBUG "Invalid PCM Controller number!");
116 return -EINVAL;
117 }
118
119 return 0;
120}
121
122static struct s3c_audio_pdata s5p6440_pcm_pdata = {
123 .cfg_gpio = s5p6440_pcm_cfg_gpio,
124};
125
126static struct resource s5p6440_pcm0_resource[] = {
127 [0] = {
128 .start = S5P64X0_PA_PCM,
129 .end = S5P64X0_PA_PCM + 0x100 - 1,
130 .flags = IORESOURCE_MEM,
131 },
132 [1] = {
133 .start = DMACH_PCM0_TX,
134 .end = DMACH_PCM0_TX,
135 .flags = IORESOURCE_DMA,
136 },
137 [2] = {
138 .start = DMACH_PCM0_RX,
139 .end = DMACH_PCM0_RX,
140 .flags = IORESOURCE_DMA,
141 },
142};
143
144struct platform_device s5p6440_device_pcm = {
145 .name = "samsung-pcm",
146 .id = 0,
147 .num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
148 .resource = s5p6440_pcm0_resource,
149 .dev = {
150 .platform_data = &s5p6440_pcm_pdata,
151 },
152};