ARM: S5P64X0: Upgrade platform device for I2S
[deliverable/linux.git] / arch / arm / mach-s5p64x0 / dev-audio.c
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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
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22static const char *rclksrc[] = {
23 [0] = "iis",
24 [1] = "sclk_audio2",
25};
26
27static int s5p64x0_cfg_i2s(struct platform_device *pdev)
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28{
29 /* configure GPIO for i2s port */
30 switch (pdev->id) {
d9a93c34 31 case 0:
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32 s3c_gpio_cfgpin_range(S5P6440_GPR(4), 5, S3C_GPIO_SFN(5));
33 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(5));
e661faa4 34 break;
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35 default:
36 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
37 return -EINVAL;
38 }
39
40 return 0;
41}
42
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JB
43static struct s3c_audio_pdata s5p64x0_i2s_pdata = {
44 .cfg_gpio = s5p64x0_cfg_i2s,
45 .type = {
46 .i2s = {
47 .quirks = QUIRK_PRI_6CHAN,
48 .src_clk = rclksrc,
49 },
50 },
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51};
52
53static struct resource s5p64x0_iis0_resource[] = {
54 [0] = {
55 .start = S5P64X0_PA_I2S,
56 .end = S5P64X0_PA_I2S + 0x100 - 1,
57 .flags = IORESOURCE_MEM,
58 },
59 [1] = {
60 .start = DMACH_I2S0_TX,
61 .end = DMACH_I2S0_TX,
62 .flags = IORESOURCE_DMA,
63 },
64 [2] = {
65 .start = DMACH_I2S0_RX,
66 .end = DMACH_I2S0_RX,
67 .flags = IORESOURCE_DMA,
68 },
69};
70
71struct platform_device s5p6440_device_iis = {
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72 .name = "samsung-i2s",
73 .id = 0,
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74 .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
75 .resource = s5p64x0_iis0_resource,
76 .dev = {
d9a93c34 77 .platform_data = &s5p64x0_i2s_pdata,
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78 },
79};
80
81struct platform_device s5p6450_device_iis0 = {
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82 .name = "samsung-i2s",
83 .id = 0,
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84 .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource),
85 .resource = s5p64x0_iis0_resource,
86 .dev = {
d9a93c34 87 .platform_data = &s5p64x0_i2s_pdata,
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88 },
89};
90
91/* PCM Controller platform_devices */
92
93static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
94{
95 switch (pdev->id) {
96 case 0:
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97 s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
98 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
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99 break;
100
101 default:
102 printk(KERN_DEBUG "Invalid PCM Controller number!");
103 return -EINVAL;
104 }
105
106 return 0;
107}
108
109static struct s3c_audio_pdata s5p6440_pcm_pdata = {
110 .cfg_gpio = s5p6440_pcm_cfg_gpio,
111};
112
113static struct resource s5p6440_pcm0_resource[] = {
114 [0] = {
115 .start = S5P64X0_PA_PCM,
116 .end = S5P64X0_PA_PCM + 0x100 - 1,
117 .flags = IORESOURCE_MEM,
118 },
119 [1] = {
120 .start = DMACH_PCM0_TX,
121 .end = DMACH_PCM0_TX,
122 .flags = IORESOURCE_DMA,
123 },
124 [2] = {
125 .start = DMACH_PCM0_RX,
126 .end = DMACH_PCM0_RX,
127 .flags = IORESOURCE_DMA,
128 },
129};
130
131struct platform_device s5p6440_device_pcm = {
132 .name = "samsung-pcm",
133 .id = 0,
134 .num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
135 .resource = s5p6440_pcm0_resource,
136 .dev = {
137 .platform_data = &s5p6440_pcm_pdata,
138 },
139};
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