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 const char *rclksrc[] = {
23 [0] = "iis",
24 [1] = "sclk_audio2",
25 };
26
s5p6440_cfg_i2s(struct platform_device * pdev)27 static int s5p6440_cfg_i2s(struct platform_device *pdev)
28 {
29 switch (pdev->id) {
30 case 0:
31 s3c_gpio_cfgpin_range(S5P6440_GPC(4), 2, S3C_GPIO_SFN(5));
32 s3c_gpio_cfgpin(S5P6440_GPC(7), S3C_GPIO_SFN(5));
33 s3c_gpio_cfgpin_range(S5P6440_GPH(6), 4, S3C_GPIO_SFN(5));
34 break;
35 default:
36 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
37 return -EINVAL;
38 }
39
40 return 0;
41 }
42
43 static struct s3c_audio_pdata s5p6440_i2s_pdata = {
44 .cfg_gpio = s5p6440_cfg_i2s,
45 .type = {
46 .i2s = {
47 .quirks = QUIRK_PRI_6CHAN,
48 .src_clk = rclksrc,
49 },
50 },
51 };
52
53 static struct resource s5p64x0_i2s0_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 = {
72 .name = "samsung-i2s",
73 .id = 0,
74 .num_resources = ARRAY_SIZE(s5p64x0_i2s0_resource),
75 .resource = s5p64x0_i2s0_resource,
76 .dev = {
77 .platform_data = &s5p6440_i2s_pdata,
78 },
79 };
80
s5p6450_cfg_i2s(struct platform_device * pdev)81 static int s5p6450_cfg_i2s(struct platform_device *pdev)
82 {
83 switch (pdev->id) {
84 case 0:
85 s3c_gpio_cfgpin_range(S5P6450_GPR(4), 5, S3C_GPIO_SFN(5));
86 s3c_gpio_cfgpin_range(S5P6450_GPR(13), 2, S3C_GPIO_SFN(5));
87 break;
88 case 1:
89 s3c_gpio_cfgpin(S5P6440_GPB(4), S3C_GPIO_SFN(5));
90 s3c_gpio_cfgpin_range(S5P6450_GPC(0), 4, S3C_GPIO_SFN(5));
91 break;
92 case 2:
93 s3c_gpio_cfgpin_range(S5P6450_GPK(0), 5, S3C_GPIO_SFN(5));
94 break;
95 default:
96 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
97 return -EINVAL;
98 }
99
100 return 0;
101 }
102
103 static struct s3c_audio_pdata s5p6450_i2s0_pdata = {
104 .cfg_gpio = s5p6450_cfg_i2s,
105 .type = {
106 .i2s = {
107 .quirks = QUIRK_PRI_6CHAN,
108 .src_clk = rclksrc,
109 },
110 },
111 };
112
113 struct platform_device s5p6450_device_iis0 = {
114 .name = "samsung-i2s",
115 .id = 0,
116 .num_resources = ARRAY_SIZE(s5p64x0_i2s0_resource),
117 .resource = s5p64x0_i2s0_resource,
118 .dev = {
119 .platform_data = &s5p6450_i2s0_pdata,
120 },
121 };
122
123 static struct s3c_audio_pdata s5p6450_i2s_pdata = {
124 .cfg_gpio = s5p6450_cfg_i2s,
125 .type = {
126 .i2s = {
127 .src_clk = rclksrc,
128 },
129 },
130 };
131
132 static struct resource s5p6450_i2s1_resource[] = {
133 [0] = {
134 .start = S5P6450_PA_I2S1,
135 .end = S5P6450_PA_I2S1 + 0x100 - 1,
136 .flags = IORESOURCE_MEM,
137 },
138 [1] = {
139 .start = DMACH_I2S1_TX,
140 .end = DMACH_I2S1_TX,
141 .flags = IORESOURCE_DMA,
142 },
143 [2] = {
144 .start = DMACH_I2S1_RX,
145 .end = DMACH_I2S1_RX,
146 .flags = IORESOURCE_DMA,
147 },
148 };
149
150 struct platform_device s5p6450_device_iis1 = {
151 .name = "samsung-i2s",
152 .id = 1,
153 .num_resources = ARRAY_SIZE(s5p6450_i2s1_resource),
154 .resource = s5p6450_i2s1_resource,
155 .dev = {
156 .platform_data = &s5p6450_i2s_pdata,
157 },
158 };
159
160 static struct resource s5p6450_i2s2_resource[] = {
161 [0] = {
162 .start = S5P6450_PA_I2S2,
163 .end = S5P6450_PA_I2S2 + 0x100 - 1,
164 .flags = IORESOURCE_MEM,
165 },
166 [1] = {
167 .start = DMACH_I2S2_TX,
168 .end = DMACH_I2S2_TX,
169 .flags = IORESOURCE_DMA,
170 },
171 [2] = {
172 .start = DMACH_I2S2_RX,
173 .end = DMACH_I2S2_RX,
174 .flags = IORESOURCE_DMA,
175 },
176 };
177
178 struct platform_device s5p6450_device_iis2 = {
179 .name = "samsung-i2s",
180 .id = 2,
181 .num_resources = ARRAY_SIZE(s5p6450_i2s2_resource),
182 .resource = s5p6450_i2s2_resource,
183 .dev = {
184 .platform_data = &s5p6450_i2s_pdata,
185 },
186 };
187
188 /* PCM Controller platform_devices */
189
s5p6440_pcm_cfg_gpio(struct platform_device * pdev)190 static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
191 {
192 switch (pdev->id) {
193 case 0:
194 s3c_gpio_cfgpin_range(S5P6440_GPR(6), 3, S3C_GPIO_SFN(2));
195 s3c_gpio_cfgpin_range(S5P6440_GPR(13), 2, S3C_GPIO_SFN(2));
196 break;
197
198 default:
199 printk(KERN_DEBUG "Invalid PCM Controller number!");
200 return -EINVAL;
201 }
202
203 return 0;
204 }
205
206 static struct s3c_audio_pdata s5p6440_pcm_pdata = {
207 .cfg_gpio = s5p6440_pcm_cfg_gpio,
208 };
209
210 static struct resource s5p6440_pcm0_resource[] = {
211 [0] = {
212 .start = S5P64X0_PA_PCM,
213 .end = S5P64X0_PA_PCM + 0x100 - 1,
214 .flags = IORESOURCE_MEM,
215 },
216 [1] = {
217 .start = DMACH_PCM0_TX,
218 .end = DMACH_PCM0_TX,
219 .flags = IORESOURCE_DMA,
220 },
221 [2] = {
222 .start = DMACH_PCM0_RX,
223 .end = DMACH_PCM0_RX,
224 .flags = IORESOURCE_DMA,
225 },
226 };
227
228 struct platform_device s5p6440_device_pcm = {
229 .name = "samsung-pcm",
230 .id = 0,
231 .num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
232 .resource = s5p6440_pcm0_resource,
233 .dev = {
234 .platform_data = &s5p6440_pcm_pdata,
235 },
236 };
237