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e661faa4 KK |
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 | ||
d9a93c34 JB |
22 | static const char *rclksrc[] = { |
23 | [0] = "iis", | |
24 | [1] = "sclk_audio2", | |
25 | }; | |
26 | ||
27 | static int s5p64x0_cfg_i2s(struct platform_device *pdev) | |
e661faa4 KK |
28 | { |
29 | /* configure GPIO for i2s port */ | |
30 | switch (pdev->id) { | |
d9a93c34 | 31 | case 0: |
af94e577 BD |
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; |
e661faa4 KK |
35 | default: |
36 | printk(KERN_ERR "Invalid Device %d\n", pdev->id); | |
37 | return -EINVAL; | |
38 | } | |
39 | ||
40 | return 0; | |
41 | } | |
42 | ||
d9a93c34 JB |
43 | static 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 | }, | |
e661faa4 KK |
51 | }; |
52 | ||
53 | static 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 | ||
71 | struct platform_device s5p6440_device_iis = { | |
d9a93c34 JB |
72 | .name = "samsung-i2s", |
73 | .id = 0, | |
e661faa4 KK |
74 | .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource), |
75 | .resource = s5p64x0_iis0_resource, | |
76 | .dev = { | |
d9a93c34 | 77 | .platform_data = &s5p64x0_i2s_pdata, |
e661faa4 KK |
78 | }, |
79 | }; | |
80 | ||
81 | struct platform_device s5p6450_device_iis0 = { | |
d9a93c34 JB |
82 | .name = "samsung-i2s", |
83 | .id = 0, | |
e661faa4 KK |
84 | .num_resources = ARRAY_SIZE(s5p64x0_iis0_resource), |
85 | .resource = s5p64x0_iis0_resource, | |
86 | .dev = { | |
d9a93c34 | 87 | .platform_data = &s5p64x0_i2s_pdata, |
e661faa4 KK |
88 | }, |
89 | }; | |
90 | ||
91 | /* PCM Controller platform_devices */ | |
92 | ||
93 | static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev) | |
94 | { | |
95 | switch (pdev->id) { | |
96 | case 0: | |
af94e577 BD |
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)); | |
e661faa4 KK |
99 | break; |
100 | ||
101 | default: | |
102 | printk(KERN_DEBUG "Invalid PCM Controller number!"); | |
103 | return -EINVAL; | |
104 | } | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
109 | static struct s3c_audio_pdata s5p6440_pcm_pdata = { | |
110 | .cfg_gpio = s5p6440_pcm_cfg_gpio, | |
111 | }; | |
112 | ||
113 | static 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 | ||
131 | struct 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 | }; |