1 /* linux/arch/arm/plat-s3c/dev-audio.c
2 *
3 * Copyright 2009 Wolfson Microelectronics
4 * Mark Brown <broonie@opensource.wolfsonmicro.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/kernel.h>
12 #include <linux/string.h>
13 #include <linux/platform_device.h>
14 #include <linux/dma-mapping.h>
15 #include <linux/gpio.h>
16 #include <linux/export.h>
17
18 #include <mach/irqs.h>
19 #include <mach/map.h>
20 #include <mach/dma.h>
21
22 #include <plat/devs.h>
23 #include <plat/audio.h>
24 #include <plat/gpio-cfg.h>
25
26 static const char *rclksrc[] = {
27 [0] = "iis",
28 [1] = "audio-bus",
29 };
30
s3c64xx_i2s_cfg_gpio(struct platform_device * pdev)31 static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
32 {
33 unsigned int base;
34
35 switch (pdev->id) {
36 case 0:
37 base = S3C64XX_GPD(0);
38 break;
39 case 1:
40 base = S3C64XX_GPE(0);
41 break;
42 case 2:
43 s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
44 s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
45 s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
46 s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
47 return 0;
48 default:
49 printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
50 pdev->id);
51 return -EINVAL;
52 }
53
54 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
55
56 return 0;
57 }
58
59 static struct resource s3c64xx_iis0_resource[] = {
60 [0] = {
61 .start = S3C64XX_PA_IIS0,
62 .end = S3C64XX_PA_IIS0 + 0x100 - 1,
63 .flags = IORESOURCE_MEM,
64 },
65 [1] = {
66 .start = DMACH_I2S0_OUT,
67 .end = DMACH_I2S0_OUT,
68 .flags = IORESOURCE_DMA,
69 },
70 [2] = {
71 .start = DMACH_I2S0_IN,
72 .end = DMACH_I2S0_IN,
73 .flags = IORESOURCE_DMA,
74 },
75 };
76
77 static struct s3c_audio_pdata i2sv3_pdata = {
78 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
79 .type = {
80 .i2s = {
81 .src_clk = rclksrc,
82 },
83 },
84 };
85
86 struct platform_device s3c64xx_device_iis0 = {
87 .name = "samsung-i2s",
88 .id = 0,
89 .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
90 .resource = s3c64xx_iis0_resource,
91 .dev = {
92 .platform_data = &i2sv3_pdata,
93 },
94 };
95 EXPORT_SYMBOL(s3c64xx_device_iis0);
96
97 static struct resource s3c64xx_iis1_resource[] = {
98 [0] = {
99 .start = S3C64XX_PA_IIS1,
100 .end = S3C64XX_PA_IIS1 + 0x100 - 1,
101 .flags = IORESOURCE_MEM,
102 },
103 [1] = {
104 .start = DMACH_I2S1_OUT,
105 .end = DMACH_I2S1_OUT,
106 .flags = IORESOURCE_DMA,
107 },
108 [2] = {
109 .start = DMACH_I2S1_IN,
110 .end = DMACH_I2S1_IN,
111 .flags = IORESOURCE_DMA,
112 },
113 };
114
115 struct platform_device s3c64xx_device_iis1 = {
116 .name = "samsung-i2s",
117 .id = 1,
118 .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
119 .resource = s3c64xx_iis1_resource,
120 .dev = {
121 .platform_data = &i2sv3_pdata,
122 },
123 };
124 EXPORT_SYMBOL(s3c64xx_device_iis1);
125
126 static struct resource s3c64xx_iisv4_resource[] = {
127 [0] = {
128 .start = S3C64XX_PA_IISV4,
129 .end = S3C64XX_PA_IISV4 + 0x100 - 1,
130 .flags = IORESOURCE_MEM,
131 },
132 [1] = {
133 .start = DMACH_HSI_I2SV40_TX,
134 .end = DMACH_HSI_I2SV40_TX,
135 .flags = IORESOURCE_DMA,
136 },
137 [2] = {
138 .start = DMACH_HSI_I2SV40_RX,
139 .end = DMACH_HSI_I2SV40_RX,
140 .flags = IORESOURCE_DMA,
141 },
142 };
143
144 static struct s3c_audio_pdata i2sv4_pdata = {
145 .cfg_gpio = s3c64xx_i2s_cfg_gpio,
146 .type = {
147 .i2s = {
148 .quirks = QUIRK_PRI_6CHAN,
149 .src_clk = rclksrc,
150 },
151 },
152 };
153
154 struct platform_device s3c64xx_device_iisv4 = {
155 .name = "samsung-i2s",
156 .id = 2,
157 .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
158 .resource = s3c64xx_iisv4_resource,
159 .dev = {
160 .platform_data = &i2sv4_pdata,
161 },
162 };
163 EXPORT_SYMBOL(s3c64xx_device_iisv4);
164
165
166 /* PCM Controller platform_devices */
167
s3c64xx_pcm_cfg_gpio(struct platform_device * pdev)168 static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
169 {
170 unsigned int base;
171
172 switch (pdev->id) {
173 case 0:
174 base = S3C64XX_GPD(0);
175 break;
176 case 1:
177 base = S3C64XX_GPE(0);
178 break;
179 default:
180 printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
181 pdev->id);
182 return -EINVAL;
183 }
184
185 s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2));
186 return 0;
187 }
188
189 static struct resource s3c64xx_pcm0_resource[] = {
190 [0] = {
191 .start = S3C64XX_PA_PCM0,
192 .end = S3C64XX_PA_PCM0 + 0x100 - 1,
193 .flags = IORESOURCE_MEM,
194 },
195 [1] = {
196 .start = DMACH_PCM0_TX,
197 .end = DMACH_PCM0_TX,
198 .flags = IORESOURCE_DMA,
199 },
200 [2] = {
201 .start = DMACH_PCM0_RX,
202 .end = DMACH_PCM0_RX,
203 .flags = IORESOURCE_DMA,
204 },
205 };
206
207 static struct s3c_audio_pdata s3c_pcm0_pdata = {
208 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
209 };
210
211 struct platform_device s3c64xx_device_pcm0 = {
212 .name = "samsung-pcm",
213 .id = 0,
214 .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource),
215 .resource = s3c64xx_pcm0_resource,
216 .dev = {
217 .platform_data = &s3c_pcm0_pdata,
218 },
219 };
220 EXPORT_SYMBOL(s3c64xx_device_pcm0);
221
222 static struct resource s3c64xx_pcm1_resource[] = {
223 [0] = {
224 .start = S3C64XX_PA_PCM1,
225 .end = S3C64XX_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 static struct s3c_audio_pdata s3c_pcm1_pdata = {
241 .cfg_gpio = s3c64xx_pcm_cfg_gpio,
242 };
243
244 struct platform_device s3c64xx_device_pcm1 = {
245 .name = "samsung-pcm",
246 .id = 1,
247 .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource),
248 .resource = s3c64xx_pcm1_resource,
249 .dev = {
250 .platform_data = &s3c_pcm1_pdata,
251 },
252 };
253 EXPORT_SYMBOL(s3c64xx_device_pcm1);
254
255 /* AC97 Controller platform devices */
256
s3c64xx_ac97_cfg_gpd(struct platform_device * pdev)257 static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
258 {
259 return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4));
260 }
261
s3c64xx_ac97_cfg_gpe(struct platform_device * pdev)262 static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
263 {
264 return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4));
265 }
266
267 static struct resource s3c64xx_ac97_resource[] = {
268 [0] = {
269 .start = S3C64XX_PA_AC97,
270 .end = S3C64XX_PA_AC97 + 0x100 - 1,
271 .flags = IORESOURCE_MEM,
272 },
273 [1] = {
274 .start = DMACH_AC97_PCMOUT,
275 .end = DMACH_AC97_PCMOUT,
276 .flags = IORESOURCE_DMA,
277 },
278 [2] = {
279 .start = DMACH_AC97_PCMIN,
280 .end = DMACH_AC97_PCMIN,
281 .flags = IORESOURCE_DMA,
282 },
283 [3] = {
284 .start = DMACH_AC97_MICIN,
285 .end = DMACH_AC97_MICIN,
286 .flags = IORESOURCE_DMA,
287 },
288 [4] = {
289 .start = IRQ_AC97,
290 .end = IRQ_AC97,
291 .flags = IORESOURCE_IRQ,
292 },
293 };
294
295 static struct s3c_audio_pdata s3c_ac97_pdata;
296
297 static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
298
299 struct platform_device s3c64xx_device_ac97 = {
300 .name = "samsung-ac97",
301 .id = -1,
302 .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource),
303 .resource = s3c64xx_ac97_resource,
304 .dev = {
305 .platform_data = &s3c_ac97_pdata,
306 .dma_mask = &s3c64xx_ac97_dmamask,
307 .coherent_dma_mask = DMA_BIT_MASK(32),
308 },
309 };
310 EXPORT_SYMBOL(s3c64xx_device_ac97);
311
s3c64xx_ac97_setup_gpio(int num)312 void __init s3c64xx_ac97_setup_gpio(int num)
313 {
314 if (num == S3C64XX_AC97_GPD)
315 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
316 else
317 s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
318 }
319