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 <jassi.brar@samsung.com>
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 <plat/audio.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
exynos4_cfg_i2s(struct platform_device * pdev)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] = {
66 .start = EXYNOS4_PA_I2S0,
67 .end = EXYNOS4_PA_I2S0 + 0x100 - 1,
68 .flags = IORESOURCE_MEM,
69 },
70 [1] = {
71 .start = DMACH_I2S0_TX,
72 .end = DMACH_I2S0_TX,
73 .flags = IORESOURCE_DMA,
74 },
75 [2] = {
76 .start = DMACH_I2S0_RX,
77 .end = DMACH_I2S0_RX,
78 .flags = IORESOURCE_DMA,
79 },
80 [3] = {
81 .start = DMACH_I2S0S_TX,
82 .end = DMACH_I2S0S_TX,
83 .flags = IORESOURCE_DMA,
84 },
85 };
86
87 struct platform_device exynos4_device_i2s0 = {
88 .name = "samsung-i2s",
89 .id = 0,
90 .num_resources = ARRAY_SIZE(exynos4_i2s0_resource),
91 .resource = exynos4_i2s0_resource,
92 .dev = {
93 .platform_data = &i2sv5_pdata,
94 },
95 };
96
97 static const char *rclksrc_v3[] = {
98 [0] = "sclk_i2s",
99 [1] = "no_such_clock",
100 };
101
102 static struct s3c_audio_pdata i2sv3_pdata = {
103 .cfg_gpio = exynos4_cfg_i2s,
104 .type = {
105 .i2s = {
106 .quirks = QUIRK_NO_MUXPSR,
107 .src_clk = rclksrc_v3,
108 },
109 },
110 };
111
112 static struct resource exynos4_i2s1_resource[] = {
113 [0] = {
114 .start = EXYNOS4_PA_I2S1,
115 .end = EXYNOS4_PA_I2S1 + 0x100 - 1,
116 .flags = IORESOURCE_MEM,
117 },
118 [1] = {
119 .start = DMACH_I2S1_TX,
120 .end = DMACH_I2S1_TX,
121 .flags = IORESOURCE_DMA,
122 },
123 [2] = {
124 .start = DMACH_I2S1_RX,
125 .end = DMACH_I2S1_RX,
126 .flags = IORESOURCE_DMA,
127 },
128 };
129
130 struct platform_device exynos4_device_i2s1 = {
131 .name = "samsung-i2s",
132 .id = 1,
133 .num_resources = ARRAY_SIZE(exynos4_i2s1_resource),
134 .resource = exynos4_i2s1_resource,
135 .dev = {
136 .platform_data = &i2sv3_pdata,
137 },
138 };
139
140 static struct resource exynos4_i2s2_resource[] = {
141 [0] = {
142 .start = EXYNOS4_PA_I2S2,
143 .end = EXYNOS4_PA_I2S2 + 0x100 - 1,
144 .flags = IORESOURCE_MEM,
145 },
146 [1] = {
147 .start = DMACH_I2S2_TX,
148 .end = DMACH_I2S2_TX,
149 .flags = IORESOURCE_DMA,
150 },
151 [2] = {
152 .start = DMACH_I2S2_RX,
153 .end = DMACH_I2S2_RX,
154 .flags = IORESOURCE_DMA,
155 },
156 };
157
158 struct platform_device exynos4_device_i2s2 = {
159 .name = "samsung-i2s",
160 .id = 2,
161 .num_resources = ARRAY_SIZE(exynos4_i2s2_resource),
162 .resource = exynos4_i2s2_resource,
163 .dev = {
164 .platform_data = &i2sv3_pdata,
165 },
166 };
167
168 /* PCM Controller platform_devices */
169
exynos4_pcm_cfg_gpio(struct platform_device * pdev)170 static int exynos4_pcm_cfg_gpio(struct platform_device *pdev)
171 {
172 switch (pdev->id) {
173 case 0:
174 s3c_gpio_cfgpin_range(EXYNOS4_GPZ(0), 5, S3C_GPIO_SFN(3));
175 break;
176 case 1:
177 s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(3));
178 break;
179 case 2:
180 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(3));
181 break;
182 default:
183 printk(KERN_DEBUG "Invalid PCM Controller number!");
184 return -EINVAL;
185 }
186
187 return 0;
188 }
189
190 static struct s3c_audio_pdata s3c_pcm_pdata = {
191 .cfg_gpio = exynos4_pcm_cfg_gpio,
192 };
193
194 static struct resource exynos4_pcm0_resource[] = {
195 [0] = {
196 .start = EXYNOS4_PA_PCM0,
197 .end = EXYNOS4_PA_PCM0 + 0x100 - 1,
198 .flags = IORESOURCE_MEM,
199 },
200 [1] = {
201 .start = DMACH_PCM0_TX,
202 .end = DMACH_PCM0_TX,
203 .flags = IORESOURCE_DMA,
204 },
205 [2] = {
206 .start = DMACH_PCM0_RX,
207 .end = DMACH_PCM0_RX,
208 .flags = IORESOURCE_DMA,
209 },
210 };
211
212 struct platform_device exynos4_device_pcm0 = {
213 .name = "samsung-pcm",
214 .id = 0,
215 .num_resources = ARRAY_SIZE(exynos4_pcm0_resource),
216 .resource = exynos4_pcm0_resource,
217 .dev = {
218 .platform_data = &s3c_pcm_pdata,
219 },
220 };
221
222 static struct resource exynos4_pcm1_resource[] = {
223 [0] = {
224 .start = EXYNOS4_PA_PCM1,
225 .end = EXYNOS4_PA_PCM1 + 0x100 - 1,
226 .flags = IORESOURCE_MEM,
227 },
228 [1] = {
229 .start = DMACH_PCM1_TX,
230 .end = DMACH_PCM1_TX,
231 .flags = IORESOURCE_DMA,
232 },
233 [2] = {
234 .start = DMACH_PCM1_RX,
235 .end = DMACH_PCM1_RX,
236 .flags = IORESOURCE_DMA,
237 },
238 };
239
240 struct platform_device exynos4_device_pcm1 = {
241 .name = "samsung-pcm",
242 .id = 1,
243 .num_resources = ARRAY_SIZE(exynos4_pcm1_resource),
244 .resource = exynos4_pcm1_resource,
245 .dev = {
246 .platform_data = &s3c_pcm_pdata,
247 },
248 };
249
250 static struct resource exynos4_pcm2_resource[] = {
251 [0] = {
252 .start = EXYNOS4_PA_PCM2,
253 .end = EXYNOS4_PA_PCM2 + 0x100 - 1,
254 .flags = IORESOURCE_MEM,
255 },
256 [1] = {
257 .start = DMACH_PCM2_TX,
258 .end = DMACH_PCM2_TX,
259 .flags = IORESOURCE_DMA,
260 },
261 [2] = {
262 .start = DMACH_PCM2_RX,
263 .end = DMACH_PCM2_RX,
264 .flags = IORESOURCE_DMA,
265 },
266 };
267
268 struct platform_device exynos4_device_pcm2 = {
269 .name = "samsung-pcm",
270 .id = 2,
271 .num_resources = ARRAY_SIZE(exynos4_pcm2_resource),
272 .resource = exynos4_pcm2_resource,
273 .dev = {
274 .platform_data = &s3c_pcm_pdata,
275 },
276 };
277
278 /* AC97 Controller platform devices */
279
exynos4_ac97_cfg_gpio(struct platform_device * pdev)280 static int exynos4_ac97_cfg_gpio(struct platform_device *pdev)
281 {
282 return s3c_gpio_cfgpin_range(EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(4));
283 }
284
285 static struct resource exynos4_ac97_resource[] = {
286 [0] = {
287 .start = EXYNOS4_PA_AC97,
288 .end = EXYNOS4_PA_AC97 + 0x100 - 1,
289 .flags = IORESOURCE_MEM,
290 },
291 [1] = {
292 .start = DMACH_AC97_PCMOUT,
293 .end = DMACH_AC97_PCMOUT,
294 .flags = IORESOURCE_DMA,
295 },
296 [2] = {
297 .start = DMACH_AC97_PCMIN,
298 .end = DMACH_AC97_PCMIN,
299 .flags = IORESOURCE_DMA,
300 },
301 [3] = {
302 .start = DMACH_AC97_MICIN,
303 .end = DMACH_AC97_MICIN,
304 .flags = IORESOURCE_DMA,
305 },
306 [4] = {
307 .start = IRQ_AC97,
308 .end = IRQ_AC97,
309 .flags = IORESOURCE_IRQ,
310 },
311 };
312
313 static struct s3c_audio_pdata s3c_ac97_pdata = {
314 .cfg_gpio = exynos4_ac97_cfg_gpio,
315 };
316
317 static u64 exynos4_ac97_dmamask = DMA_BIT_MASK(32);
318
319 struct platform_device exynos4_device_ac97 = {
320 .name = "samsung-ac97",
321 .id = -1,
322 .num_resources = ARRAY_SIZE(exynos4_ac97_resource),
323 .resource = exynos4_ac97_resource,
324 .dev = {
325 .platform_data = &s3c_ac97_pdata,
326 .dma_mask = &exynos4_ac97_dmamask,
327 .coherent_dma_mask = DMA_BIT_MASK(32),
328 },
329 };
330
331 /* S/PDIF Controller platform_device */
332
exynos4_spdif_cfg_gpio(struct platform_device * pdev)333 static int exynos4_spdif_cfg_gpio(struct platform_device *pdev)
334 {
335 s3c_gpio_cfgpin_range(EXYNOS4_GPC1(0), 2, S3C_GPIO_SFN(4));
336
337 return 0;
338 }
339
340 static struct resource exynos4_spdif_resource[] = {
341 [0] = {
342 .start = EXYNOS4_PA_SPDIF,
343 .end = EXYNOS4_PA_SPDIF + 0x100 - 1,
344 .flags = IORESOURCE_MEM,
345 },
346 [1] = {
347 .start = DMACH_SPDIF,
348 .end = DMACH_SPDIF,
349 .flags = IORESOURCE_DMA,
350 },
351 };
352
353 static struct s3c_audio_pdata samsung_spdif_pdata = {
354 .cfg_gpio = exynos4_spdif_cfg_gpio,
355 };
356
357 static u64 exynos4_spdif_dmamask = DMA_BIT_MASK(32);
358
359 struct platform_device exynos4_device_spdif = {
360 .name = "samsung-spdif",
361 .id = -1,
362 .num_resources = ARRAY_SIZE(exynos4_spdif_resource),
363 .resource = exynos4_spdif_resource,
364 .dev = {
365 .platform_data = &samsung_spdif_pdata,
366 .dma_mask = &exynos4_spdif_dmamask,
367 .coherent_dma_mask = DMA_BIT_MASK(32),
368 },
369 };
370