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52da219e MB |
1 | /* linux/arch/arm/plat-s3c/dev-audio.c |
2 | * | |
3 | * Copyright 2009 Wolfson Microelectronics | |
4 | * Mark Brown <broonie@opensource.wolfsonmicro.com> | |
5 | * | |
52da219e MB |
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> | |
de6985be | 14 | #include <linux/dma-mapping.h> |
1c739c7f | 15 | #include <linux/gpio.h> |
52da219e MB |
16 | |
17 | #include <mach/irqs.h> | |
18 | #include <mach/map.h> | |
acf1aef9 | 19 | #include <mach/dma.h> |
52da219e MB |
20 | |
21 | #include <plat/devs.h> | |
acf1aef9 | 22 | #include <plat/audio.h> |
acf1aef9 | 23 | #include <plat/gpio-cfg.h> |
52da219e | 24 | |
6a62bee2 JB |
25 | static const char *rclksrc[] = { |
26 | [0] = "iis", | |
27 | [1] = "audio-bus", | |
28 | }; | |
29 | ||
30 | static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev) | |
71269364 | 31 | { |
2618b555 BD |
32 | unsigned int base; |
33 | ||
71269364 JB |
34 | switch (pdev->id) { |
35 | case 0: | |
2618b555 | 36 | base = S3C64XX_GPD(0); |
71269364 JB |
37 | break; |
38 | case 1: | |
2618b555 | 39 | base = S3C64XX_GPE(0); |
e4b6b74f | 40 | break; |
6a62bee2 JB |
41 | case 2: |
42 | s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5)); | |
43 | s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5)); | |
44 | s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5)); | |
45 | s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5)); | |
46 | return 0; | |
71269364 | 47 | default: |
e4b6b74f DP |
48 | printk(KERN_DEBUG "Invalid I2S Controller number: %d\n", |
49 | pdev->id); | |
71269364 JB |
50 | return -EINVAL; |
51 | } | |
52 | ||
2618b555 BD |
53 | s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3)); |
54 | ||
71269364 JB |
55 | return 0; |
56 | } | |
57 | ||
52da219e MB |
58 | static struct resource s3c64xx_iis0_resource[] = { |
59 | [0] = { | |
60 | .start = S3C64XX_PA_IIS0, | |
61 | .end = S3C64XX_PA_IIS0 + 0x100 - 1, | |
62 | .flags = IORESOURCE_MEM, | |
63 | }, | |
71269364 JB |
64 | [1] = { |
65 | .start = DMACH_I2S0_OUT, | |
66 | .end = DMACH_I2S0_OUT, | |
67 | .flags = IORESOURCE_DMA, | |
68 | }, | |
69 | [2] = { | |
70 | .start = DMACH_I2S0_IN, | |
71 | .end = DMACH_I2S0_IN, | |
72 | .flags = IORESOURCE_DMA, | |
73 | }, | |
74 | }; | |
75 | ||
6a62bee2 JB |
76 | static struct s3c_audio_pdata i2sv3_pdata = { |
77 | .cfg_gpio = s3c64xx_i2s_cfg_gpio, | |
78 | .type = { | |
79 | .i2s = { | |
80 | .src_clk = rclksrc, | |
81 | }, | |
82 | }, | |
52da219e MB |
83 | }; |
84 | ||
85 | struct platform_device s3c64xx_device_iis0 = { | |
daea9b4f | 86 | .name = "samsung-i2s", |
52da219e MB |
87 | .id = 0, |
88 | .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource), | |
89 | .resource = s3c64xx_iis0_resource, | |
71269364 | 90 | .dev = { |
6a62bee2 | 91 | .platform_data = &i2sv3_pdata, |
71269364 | 92 | }, |
52da219e MB |
93 | }; |
94 | EXPORT_SYMBOL(s3c64xx_device_iis0); | |
95 | ||
96 | static struct resource s3c64xx_iis1_resource[] = { | |
97 | [0] = { | |
98 | .start = S3C64XX_PA_IIS1, | |
99 | .end = S3C64XX_PA_IIS1 + 0x100 - 1, | |
100 | .flags = IORESOURCE_MEM, | |
101 | }, | |
71269364 JB |
102 | [1] = { |
103 | .start = DMACH_I2S1_OUT, | |
104 | .end = DMACH_I2S1_OUT, | |
105 | .flags = IORESOURCE_DMA, | |
106 | }, | |
107 | [2] = { | |
108 | .start = DMACH_I2S1_IN, | |
109 | .end = DMACH_I2S1_IN, | |
110 | .flags = IORESOURCE_DMA, | |
111 | }, | |
112 | }; | |
113 | ||
52da219e | 114 | struct platform_device s3c64xx_device_iis1 = { |
daea9b4f | 115 | .name = "samsung-i2s", |
52da219e MB |
116 | .id = 1, |
117 | .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource), | |
118 | .resource = s3c64xx_iis1_resource, | |
71269364 | 119 | .dev = { |
6a62bee2 | 120 | .platform_data = &i2sv3_pdata, |
71269364 | 121 | }, |
52da219e MB |
122 | }; |
123 | EXPORT_SYMBOL(s3c64xx_device_iis1); | |
d06a49ee MB |
124 | |
125 | static struct resource s3c64xx_iisv4_resource[] = { | |
126 | [0] = { | |
127 | .start = S3C64XX_PA_IISV4, | |
128 | .end = S3C64XX_PA_IISV4 + 0x100 - 1, | |
129 | .flags = IORESOURCE_MEM, | |
130 | }, | |
71269364 JB |
131 | [1] = { |
132 | .start = DMACH_HSI_I2SV40_TX, | |
133 | .end = DMACH_HSI_I2SV40_TX, | |
134 | .flags = IORESOURCE_DMA, | |
135 | }, | |
136 | [2] = { | |
137 | .start = DMACH_HSI_I2SV40_RX, | |
138 | .end = DMACH_HSI_I2SV40_RX, | |
139 | .flags = IORESOURCE_DMA, | |
140 | }, | |
141 | }; | |
142 | ||
6a62bee2 JB |
143 | static struct s3c_audio_pdata i2sv4_pdata = { |
144 | .cfg_gpio = s3c64xx_i2s_cfg_gpio, | |
145 | .type = { | |
146 | .i2s = { | |
147 | .quirks = QUIRK_PRI_6CHAN, | |
148 | .src_clk = rclksrc, | |
149 | }, | |
150 | }, | |
d06a49ee MB |
151 | }; |
152 | ||
153 | struct platform_device s3c64xx_device_iisv4 = { | |
6a62bee2 JB |
154 | .name = "samsung-i2s", |
155 | .id = 2, | |
d06a49ee MB |
156 | .num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource), |
157 | .resource = s3c64xx_iisv4_resource, | |
71269364 | 158 | .dev = { |
6a62bee2 | 159 | .platform_data = &i2sv4_pdata, |
71269364 | 160 | }, |
d06a49ee MB |
161 | }; |
162 | EXPORT_SYMBOL(s3c64xx_device_iisv4); | |
acf1aef9 JB |
163 | |
164 | ||
165 | /* PCM Controller platform_devices */ | |
166 | ||
167 | static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev) | |
168 | { | |
2618b555 BD |
169 | unsigned int base; |
170 | ||
acf1aef9 JB |
171 | switch (pdev->id) { |
172 | case 0: | |
2618b555 | 173 | base = S3C64XX_GPD(0); |
acf1aef9 JB |
174 | break; |
175 | case 1: | |
2618b555 | 176 | base = S3C64XX_GPE(0); |
acf1aef9 JB |
177 | break; |
178 | default: | |
e4b6b74f DP |
179 | printk(KERN_DEBUG "Invalid PCM Controller number: %d\n", |
180 | pdev->id); | |
acf1aef9 JB |
181 | return -EINVAL; |
182 | } | |
183 | ||
2618b555 | 184 | s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(2)); |
acf1aef9 JB |
185 | return 0; |
186 | } | |
187 | ||
188 | static struct resource s3c64xx_pcm0_resource[] = { | |
189 | [0] = { | |
190 | .start = S3C64XX_PA_PCM0, | |
191 | .end = S3C64XX_PA_PCM0 + 0x100 - 1, | |
192 | .flags = IORESOURCE_MEM, | |
193 | }, | |
194 | [1] = { | |
195 | .start = DMACH_PCM0_TX, | |
196 | .end = DMACH_PCM0_TX, | |
197 | .flags = IORESOURCE_DMA, | |
198 | }, | |
199 | [2] = { | |
200 | .start = DMACH_PCM0_RX, | |
201 | .end = DMACH_PCM0_RX, | |
202 | .flags = IORESOURCE_DMA, | |
203 | }, | |
204 | }; | |
205 | ||
43f0de8d | 206 | static struct s3c_audio_pdata s3c_pcm0_pdata = { |
acf1aef9 JB |
207 | .cfg_gpio = s3c64xx_pcm_cfg_gpio, |
208 | }; | |
209 | ||
210 | struct platform_device s3c64xx_device_pcm0 = { | |
211 | .name = "samsung-pcm", | |
212 | .id = 0, | |
213 | .num_resources = ARRAY_SIZE(s3c64xx_pcm0_resource), | |
214 | .resource = s3c64xx_pcm0_resource, | |
215 | .dev = { | |
216 | .platform_data = &s3c_pcm0_pdata, | |
217 | }, | |
218 | }; | |
219 | EXPORT_SYMBOL(s3c64xx_device_pcm0); | |
220 | ||
221 | static struct resource s3c64xx_pcm1_resource[] = { | |
222 | [0] = { | |
223 | .start = S3C64XX_PA_PCM1, | |
224 | .end = S3C64XX_PA_PCM1 + 0x100 - 1, | |
225 | .flags = IORESOURCE_MEM, | |
226 | }, | |
227 | [1] = { | |
228 | .start = DMACH_PCM1_TX, | |
229 | .end = DMACH_PCM1_TX, | |
230 | .flags = IORESOURCE_DMA, | |
231 | }, | |
232 | [2] = { | |
233 | .start = DMACH_PCM1_RX, | |
234 | .end = DMACH_PCM1_RX, | |
235 | .flags = IORESOURCE_DMA, | |
236 | }, | |
237 | }; | |
238 | ||
43f0de8d | 239 | static struct s3c_audio_pdata s3c_pcm1_pdata = { |
acf1aef9 JB |
240 | .cfg_gpio = s3c64xx_pcm_cfg_gpio, |
241 | }; | |
242 | ||
243 | struct platform_device s3c64xx_device_pcm1 = { | |
244 | .name = "samsung-pcm", | |
245 | .id = 1, | |
246 | .num_resources = ARRAY_SIZE(s3c64xx_pcm1_resource), | |
247 | .resource = s3c64xx_pcm1_resource, | |
248 | .dev = { | |
249 | .platform_data = &s3c_pcm1_pdata, | |
250 | }, | |
251 | }; | |
252 | EXPORT_SYMBOL(s3c64xx_device_pcm1); | |
de6985be JB |
253 | |
254 | /* AC97 Controller platform devices */ | |
255 | ||
256 | static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev) | |
257 | { | |
2618b555 | 258 | return s3c_gpio_cfgpin_range(S3C64XX_GPD(0), 5, S3C_GPIO_SFN(4)); |
de6985be JB |
259 | } |
260 | ||
261 | static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev) | |
262 | { | |
2618b555 | 263 | return s3c_gpio_cfgpin_range(S3C64XX_GPE(0), 5, S3C_GPIO_SFN(4)); |
de6985be JB |
264 | } |
265 | ||
266 | static struct resource s3c64xx_ac97_resource[] = { | |
267 | [0] = { | |
268 | .start = S3C64XX_PA_AC97, | |
269 | .end = S3C64XX_PA_AC97 + 0x100 - 1, | |
270 | .flags = IORESOURCE_MEM, | |
271 | }, | |
272 | [1] = { | |
273 | .start = DMACH_AC97_PCMOUT, | |
274 | .end = DMACH_AC97_PCMOUT, | |
275 | .flags = IORESOURCE_DMA, | |
276 | }, | |
277 | [2] = { | |
278 | .start = DMACH_AC97_PCMIN, | |
279 | .end = DMACH_AC97_PCMIN, | |
280 | .flags = IORESOURCE_DMA, | |
281 | }, | |
282 | [3] = { | |
283 | .start = DMACH_AC97_MICIN, | |
284 | .end = DMACH_AC97_MICIN, | |
285 | .flags = IORESOURCE_DMA, | |
286 | }, | |
287 | [4] = { | |
288 | .start = IRQ_AC97, | |
289 | .end = IRQ_AC97, | |
290 | .flags = IORESOURCE_IRQ, | |
291 | }, | |
292 | }; | |
293 | ||
294 | static struct s3c_audio_pdata s3c_ac97_pdata; | |
295 | ||
296 | static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32); | |
297 | ||
298 | struct platform_device s3c64xx_device_ac97 = { | |
e6104673 | 299 | .name = "samsung-ac97", |
de6985be JB |
300 | .id = -1, |
301 | .num_resources = ARRAY_SIZE(s3c64xx_ac97_resource), | |
302 | .resource = s3c64xx_ac97_resource, | |
303 | .dev = { | |
304 | .platform_data = &s3c_ac97_pdata, | |
305 | .dma_mask = &s3c64xx_ac97_dmamask, | |
306 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
307 | }, | |
308 | }; | |
309 | EXPORT_SYMBOL(s3c64xx_device_ac97); | |
310 | ||
311 | void __init s3c64xx_ac97_setup_gpio(int num) | |
312 | { | |
313 | if (num == S3C64XX_AC97_GPD) | |
314 | s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd; | |
315 | else | |
316 | s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe; | |
317 | } |