Merge commit 'v2.6.37-rc2' into sched/core
[pandora-kernel.git] / arch / arm / mach-s5p64x0 / dev-audio.c
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
22 static 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_range(S5P6440_GPR(4), 5, S3C_GPIO_SFN(5));
28                 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(5));
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
39 static 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));
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
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
58 static struct s3c_audio_pdata s5p6440_i2s_pdata = {
59         .cfg_gpio = s5p6440_cfg_i2s,
60 };
61
62 static struct s3c_audio_pdata s5p6450_i2s_pdata = {
63         .cfg_gpio = s5p6450_cfg_i2s,
64 };
65
66 static 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
84 struct 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
94 struct 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
106 static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
107 {
108         switch (pdev->id) {
109         case 0:
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));
112                 break;
113
114         default:
115                 printk(KERN_DEBUG "Invalid PCM Controller number!");
116                 return -EINVAL;
117         }
118
119         return 0;
120 }
121
122 static struct s3c_audio_pdata s5p6440_pcm_pdata = {
123         .cfg_gpio = s5p6440_pcm_cfg_gpio,
124 };
125
126 static 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
144 struct 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 };