Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
[pandora-kernel.git] / arch / arm / mach-s5p6440 / dev-audio.c
1 /* linux/arch/arm/mach-s5p6440/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
14 #include <plat/gpio-cfg.h>
15 #include <plat/audio.h>
16
17 #include <mach/gpio.h>
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(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
44 static struct s3c_audio_pdata s3c_i2s_pdata = {
45         .cfg_gpio = s5p6440_cfg_i2s,
46 };
47
48 static struct resource s5p6440_iis0_resource[] = {
49         [0] = {
50                 .start = S5P6440_PA_I2S,
51                 .end   = S5P6440_PA_I2S + 0x100 - 1,
52                 .flags = IORESOURCE_MEM,
53         },
54         [1] = {
55                 .start = DMACH_I2S0_TX,
56                 .end   = DMACH_I2S0_TX,
57                 .flags = IORESOURCE_DMA,
58         },
59         [2] = {
60                 .start = DMACH_I2S0_RX,
61                 .end   = DMACH_I2S0_RX,
62                 .flags = IORESOURCE_DMA,
63         },
64 };
65
66 struct platform_device s5p6440_device_iis = {
67         .name             = "s3c64xx-iis-v4",
68         .id               = -1,
69         .num_resources    = ARRAY_SIZE(s5p6440_iis0_resource),
70         .resource         = s5p6440_iis0_resource,
71         .dev = {
72                 .platform_data = &s3c_i2s_pdata,
73         },
74 };
75
76 /* PCM Controller platform_devices */
77
78 static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
79 {
80         switch (pdev->id) {
81         case 0:
82                 s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));
83                 s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));
84                 s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));
85                 s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));
86                 s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));
87                 break;
88
89         default:
90                 printk(KERN_DEBUG "Invalid PCM Controller number!");
91                 return -EINVAL;
92         }
93
94         return 0;
95 }
96
97 static struct s3c_audio_pdata s3c_pcm_pdata = {
98         .cfg_gpio = s5p6440_pcm_cfg_gpio,
99 };
100
101 static struct resource s5p6440_pcm0_resource[] = {
102         [0] = {
103                 .start = S5P6440_PA_PCM,
104                 .end   = S5P6440_PA_PCM + 0x100 - 1,
105                 .flags = IORESOURCE_MEM,
106         },
107         [1] = {
108                 .start = DMACH_PCM0_TX,
109                 .end   = DMACH_PCM0_TX,
110                 .flags = IORESOURCE_DMA,
111         },
112         [2] = {
113                 .start = DMACH_PCM0_RX,
114                 .end   = DMACH_PCM0_RX,
115                 .flags = IORESOURCE_DMA,
116         },
117 };
118
119 struct platform_device s5p6440_device_pcm = {
120         .name             = "samsung-pcm",
121         .id               = 0,
122         .num_resources    = ARRAY_SIZE(s5p6440_pcm0_resource),
123         .resource         = s5p6440_pcm0_resource,
124         .dev = {
125                 .platform_data = &s3c_pcm_pdata,
126         },
127 };