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dev-audio.c
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1 /* linux/arch/arm/mach-exynos4/dev-audio.c
2  *
3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4  * http://www.samsung.com
5  *
6  * Copyright (c) 2010 Samsung Electronics Co. Ltd
7  * Jaswinder Singh <[email protected]>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #include <linux/platform_device.h>
15 #include <linux/dma-mapping.h>
16 #include <linux/gpio.h>
17 
18 #include <plat/gpio-cfg.h>
19 #include <linux/platform_data/asoc-s3c.h>
20 
21 #include <mach/map.h>
22 #include <mach/dma.h>
23 #include <mach/irqs.h>
24 #include <mach/regs-audss.h>
25 
26 static const char *rclksrc[] = {
27  [0] = "busclk",
28  [1] = "i2sclk",
29 };
30 
31 static int exynos4_cfg_i2s(struct platform_device *pdev)
32 {
33  /* configure GPIO for i2s port */
34  switch (pdev->id) {
35  case 0:
36  s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 7, S3C_GPIO_SFN(2));
37  break;
38  case 1:
39  s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2));
40  break;
41  case 2:
42  s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(4));
43  break;
44  default:
45  printk(KERN_ERR "Invalid Device %d\n", pdev->id);
46  return -EINVAL;
47  }
48 
49  return 0;
50 }
51 
52 static struct s3c_audio_pdata i2sv5_pdata = {
53  .cfg_gpio = exynos4_cfg_i2s,
54  .type = {
55  .i2s = {
56  .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
57  | QUIRK_NEED_RSTCLR,
58  .src_clk = rclksrc,
59  .idma_addr = EXYNOS4_AUDSS_INT_MEM,
60  },
61  },
62 };
63 
64 static struct resource exynos4_i2s0_resource[] = {
65  [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S0, SZ_256),
66  [1] = DEFINE_RES_DMA(DMACH_I2S0_TX),
67  [2] = DEFINE_RES_DMA(DMACH_I2S0_RX),
68  [3] = DEFINE_RES_DMA(DMACH_I2S0S_TX),
69 };
70 
71 struct platform_device exynos4_device_i2s0 = {
72  .name = "samsung-i2s",
73  .id = 0,
74  .num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
75  .resource = exynos4_i2s0_resource,
76  .dev = {
77  .platform_data = &i2sv5_pdata,
78  },
79 };
80 
81 static const char *rclksrc_v3[] = {
82  [0] = "sclk_i2s",
83  [1] = "no_such_clock",
84 };
85 
86 static struct s3c_audio_pdata i2sv3_pdata = {
87  .cfg_gpio = exynos4_cfg_i2s,
88  .type = {
89  .i2s = {
90  .quirks = QUIRK_NO_MUXPSR,
91  .src_clk = rclksrc_v3,
92  },
93  },
94 };
95 
96 static struct resource exynos4_i2s1_resource[] = {
97  [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S1, SZ_256),
98  [1] = DEFINE_RES_DMA(DMACH_I2S1_TX),
99  [2] = DEFINE_RES_DMA(DMACH_I2S1_RX),
100 };
101 
102 struct platform_device exynos4_device_i2s1 = {
103  .name = "samsung-i2s",
104  .id = 1,
105  .num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
106  .resource = exynos4_i2s1_resource,
107  .dev = {
108  .platform_data = &i2sv3_pdata,
109  },
110 };
111 
112 static struct resource exynos4_i2s2_resource[] = {
113  [0] = DEFINE_RES_MEM(EXYNOS4_PA_I2S2, SZ_256),
114  [1] = DEFINE_RES_DMA(DMACH_I2S2_TX),
115  [2] = DEFINE_RES_DMA(DMACH_I2S2_RX),
116 };
117 
118 struct platform_device exynos4_device_i2s2 = {
119  .name = "samsung-i2s",
120  .id = 2,
121  .num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
122  .resource = exynos4_i2s2_resource,
123  .dev = {
124  .platform_data = &i2sv3_pdata,
125  },
126 };
127 
128 /* PCM Controller platform_devices */
129 
130 static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
131 {
132  switch (pdev->id) {
133  case 0:
134  s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
135  break;
136  case 1:
137  s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
138  break;
139  case 2:
140  s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
141  break;
142  default:
143  printk(KERN_DEBUG "Invalid PCM Controller number!");
144  return -EINVAL;
145  }
146 
147  return 0;
148 }
149 
150 static struct s3c_audio_pdata s3c_pcm_pdata = {
151  .cfg_gpio = exynos4_pcm_cfg_gpio,
152 };
153 
154 static struct resource exynos4_pcm0_resource[] = {
155  [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM0, SZ_256),
156  [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
157  [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
158 };
159 
160 struct platform_device exynos4_device_pcm0 = {
161  .name = "samsung-pcm",
162  .id = 0,
163  .num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
164  .resource = exynos4_pcm0_resource,
165  .dev = {
166  .platform_data = &s3c_pcm_pdata,
167  },
168 };
169 
170 static struct resource exynos4_pcm1_resource[] = {
171  [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM1, SZ_256),
172  [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
173  [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
174 };
175 
176 struct platform_device exynos4_device_pcm1 = {
177  .name = "samsung-pcm",
178  .id = 1,
179  .num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
180  .resource = exynos4_pcm1_resource,
181  .dev = {
182  .platform_data = &s3c_pcm_pdata,
183  },
184 };
185 
186 static struct resource exynos4_pcm2_resource[] = {
187  [0] = DEFINE_RES_MEM(EXYNOS4_PA_PCM2, SZ_256),
188  [1] = DEFINE_RES_DMA(DMACH_PCM2_TX),
189  [2] = DEFINE_RES_DMA(DMACH_PCM2_RX),
190 };
191 
192 struct platform_device exynos4_device_pcm2 = {
193  .name = "samsung-pcm",
194  .id = 2,
195  .num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
196  .resource = exynos4_pcm2_resource,
197  .dev = {
198  .platform_data = &s3c_pcm_pdata,
199  },
200 };
201 
202 /* AC97 Controller platform devices */
203 
204 static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
205 {
206  return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
207 }
208 
209 static struct resource exynos4_ac97_resource[] = {
210  [0] = DEFINE_RES_MEM(EXYNOS4_PA_AC97, SZ_256),
211  [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
212  [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
213  [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
214  [4] = DEFINE_RES_IRQ(EXYNOS4_IRQ_AC97),
215 };
216 
217 static struct s3c_audio_pdata s3c_ac97_pdata = {
218  .cfg_gpio = exynos4_ac97_cfg_gpio,
219 };
220 
221 static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
222 
223 struct platform_device exynos4_device_ac97 = {
224  .name = "samsung-ac97",
225  .id = -1,
226  .num_resources = ARRAY_SIZE(exynos4_ac97_resource),
227  .resource = exynos4_ac97_resource,
228  .dev = {
229  .platform_data = &s3c_ac97_pdata,
230  .dma_mask = &exynos4_ac97_dmamask,
231  .coherent_dma_mask = DMA_BIT_MASK(32),
232  },
233 };
234 
235 /* S/PDIF Controller platform_device */
236 
237 static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
238 {
239  s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4));
240 
241  return 0;
242 }
243 
244 static struct resource exynos4_spdif_resource[] = {
245  [0] = DEFINE_RES_MEM(EXYNOS4_PA_SPDIF, SZ_256),
246  [1] = DEFINE_RES_DMA(DMACH_SPDIF),
247 };
248 
249 static struct s3c_audio_pdata samsung_spdif_pdata = {
250  .cfg_gpio = exynos4_spdif_cfg_gpio,
251 };
252 
253 static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
254 
255 struct platform_device exynos4_device_spdif = {
256  .name = "samsung-spdif",
257  .id = -1,
258  .num_resources = ARRAY_SIZE(exynos4_spdif_resource),
259  .resource = exynos4_spdif_resource,
260  .dev = {
261  .platform_data = &samsung_spdif_pdata,
262  .dma_mask = &exynos4_spdif_dmamask,
263  .coherent_dma_mask = DMA_BIT_MASK(32),
264  },
265 };
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