Commit | Line | Data |
---|---|---|
75b41027 LG |
1 | /* |
2 | * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip. | |
3 | * | |
4 | * Author: Nicolas Pitre | |
5 | * Created: Dec 02, 2004 | |
6 | * Copyright: MontaVista Software Inc. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/init.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/platform_device.h> | |
75b41027 | 16 | |
75b41027 | 17 | #include <sound/core.h> |
75b41027 | 18 | #include <sound/ac97_codec.h> |
75b41027 | 19 | #include <sound/soc.h> |
9c636342 | 20 | #include <sound/pxa2xx-lib.h> |
75b41027 | 21 | |
a09e64fb | 22 | #include <mach/hardware.h> |
1f017a99 | 23 | #include <mach/regs-ac97.h> |
7ebc8d56 | 24 | #include <mach/dma.h> |
4ac0478f | 25 | #include <mach/audio.h> |
75b41027 | 26 | |
596ce32b | 27 | #include "pxa2xx-ac97.h" |
75b41027 | 28 | |
75b41027 LG |
29 | static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97) |
30 | { | |
9c636342 | 31 | pxa2xx_ac97_try_warm_reset(ac97); |
75b41027 | 32 | |
9c636342 | 33 | pxa2xx_ac97_finish_reset(ac97); |
75b41027 LG |
34 | } |
35 | ||
36 | static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97) | |
37 | { | |
9c636342 | 38 | pxa2xx_ac97_try_cold_reset(ac97); |
7a22323b | 39 | |
9c636342 | 40 | pxa2xx_ac97_finish_reset(ac97); |
75b41027 LG |
41 | } |
42 | ||
43 | struct snd_ac97_bus_ops soc_ac97_ops = { | |
44 | .read = pxa2xx_ac97_read, | |
45 | .write = pxa2xx_ac97_write, | |
46 | .warm_reset = pxa2xx_ac97_warm_reset, | |
47 | .reset = pxa2xx_ac97_cold_reset, | |
48 | }; | |
49 | ||
50 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = { | |
51 | .name = "AC97 PCM Stereo out", | |
52 | .dev_addr = __PREG(PCDR), | |
87f3dd77 | 53 | .drcmr = &DRCMR(12), |
75b41027 LG |
54 | .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | |
55 | DCMD_BURST32 | DCMD_WIDTH4, | |
56 | }; | |
57 | ||
58 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = { | |
59 | .name = "AC97 PCM Stereo in", | |
60 | .dev_addr = __PREG(PCDR), | |
87f3dd77 | 61 | .drcmr = &DRCMR(11), |
75b41027 LG |
62 | .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | |
63 | DCMD_BURST32 | DCMD_WIDTH4, | |
64 | }; | |
65 | ||
66 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = { | |
67 | .name = "AC97 Aux PCM (Slot 5) Mono out", | |
68 | .dev_addr = __PREG(MODR), | |
87f3dd77 | 69 | .drcmr = &DRCMR(10), |
75b41027 LG |
70 | .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | |
71 | DCMD_BURST16 | DCMD_WIDTH2, | |
72 | }; | |
73 | ||
74 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = { | |
75 | .name = "AC97 Aux PCM (Slot 5) Mono in", | |
76 | .dev_addr = __PREG(MODR), | |
87f3dd77 | 77 | .drcmr = &DRCMR(9), |
75b41027 LG |
78 | .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | |
79 | DCMD_BURST16 | DCMD_WIDTH2, | |
80 | }; | |
81 | ||
82 | static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = { | |
83 | .name = "AC97 Mic PCM (Slot 6) Mono in", | |
84 | .dev_addr = __PREG(MCDR), | |
87f3dd77 | 85 | .drcmr = &DRCMR(8), |
75b41027 LG |
86 | .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | |
87 | DCMD_BURST16 | DCMD_WIDTH2, | |
88 | }; | |
89 | ||
90 | #ifdef CONFIG_PM | |
dc7d7b83 | 91 | static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai) |
75b41027 | 92 | { |
9c636342 | 93 | return pxa2xx_ac97_hw_suspend(); |
75b41027 LG |
94 | } |
95 | ||
dc7d7b83 | 96 | static int pxa2xx_ac97_resume(struct snd_soc_dai *dai) |
75b41027 | 97 | { |
9c636342 | 98 | return pxa2xx_ac97_hw_resume(); |
75b41027 LG |
99 | } |
100 | ||
101 | #else | |
102 | #define pxa2xx_ac97_suspend NULL | |
103 | #define pxa2xx_ac97_resume NULL | |
104 | #endif | |
105 | ||
f0fba2ad | 106 | static int pxa2xx_ac97_probe(struct snd_soc_dai *dai) |
75b41027 | 107 | { |
6b849bcf | 108 | return pxa2xx_ac97_hw_probe(to_platform_device(dai->dev)); |
75b41027 LG |
109 | } |
110 | ||
f0fba2ad | 111 | static int pxa2xx_ac97_remove(struct snd_soc_dai *dai) |
75b41027 | 112 | { |
6b849bcf | 113 | pxa2xx_ac97_hw_remove(to_platform_device(dai->dev)); |
f0fba2ad | 114 | return 0; |
75b41027 LG |
115 | } |
116 | ||
117 | static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d | 118 | struct snd_pcm_hw_params *params, |
f0fba2ad | 119 | struct snd_soc_dai *cpu_dai) |
75b41027 | 120 | { |
5f712b2b | 121 | struct pxa2xx_pcm_dma_params *dma_data; |
75b41027 LG |
122 | |
123 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
5f712b2b | 124 | dma_data = &pxa2xx_ac97_pcm_stereo_out; |
75b41027 | 125 | else |
5f712b2b DM |
126 | dma_data = &pxa2xx_ac97_pcm_stereo_in; |
127 | ||
128 | snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); | |
75b41027 LG |
129 | |
130 | return 0; | |
131 | } | |
132 | ||
133 | static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream, | |
dee89c4d | 134 | struct snd_pcm_hw_params *params, |
f0fba2ad | 135 | struct snd_soc_dai *cpu_dai) |
75b41027 | 136 | { |
5f712b2b | 137 | struct pxa2xx_pcm_dma_params *dma_data; |
75b41027 LG |
138 | |
139 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
5f712b2b | 140 | dma_data = &pxa2xx_ac97_pcm_aux_mono_out; |
75b41027 | 141 | else |
5f712b2b DM |
142 | dma_data = &pxa2xx_ac97_pcm_aux_mono_in; |
143 | ||
144 | snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); | |
75b41027 LG |
145 | |
146 | return 0; | |
147 | } | |
148 | ||
149 | static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, | |
dee89c4d | 150 | struct snd_pcm_hw_params *params, |
f0fba2ad | 151 | struct snd_soc_dai *cpu_dai) |
75b41027 | 152 | { |
75b41027 LG |
153 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
154 | return -ENODEV; | |
155 | else | |
5f712b2b DM |
156 | snd_soc_dai_set_dma_data(cpu_dai, substream, |
157 | &pxa2xx_ac97_pcm_mic_mono_in); | |
75b41027 LG |
158 | |
159 | return 0; | |
160 | } | |
161 | ||
596ce32b LG |
162 | #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
163 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ | |
164 | SNDRV_PCM_RATE_48000) | |
165 | ||
852fd9e5 | 166 | static struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = { |
6335d055 EM |
167 | .hw_params = pxa2xx_ac97_hw_params, |
168 | }; | |
169 | ||
852fd9e5 MB |
170 | static struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = { |
171 | .hw_params = pxa2xx_ac97_hw_aux_params, | |
172 | }; | |
173 | ||
174 | static struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = { | |
175 | .hw_params = pxa2xx_ac97_hw_mic_params, | |
176 | }; | |
177 | ||
75b41027 LG |
178 | /* |
179 | * There is only 1 physical AC97 interface for pxa2xx, but it | |
180 | * has extra fifo's that can be used for aux DACs and ADCs. | |
181 | */ | |
f0fba2ad | 182 | static struct snd_soc_dai_driver pxa_ac97_dai[] = { |
75b41027 LG |
183 | { |
184 | .name = "pxa2xx-ac97", | |
3ba9e10a | 185 | .ac97_control = 1, |
75b41027 LG |
186 | .probe = pxa2xx_ac97_probe, |
187 | .remove = pxa2xx_ac97_remove, | |
188 | .suspend = pxa2xx_ac97_suspend, | |
189 | .resume = pxa2xx_ac97_resume, | |
190 | .playback = { | |
191 | .stream_name = "AC97 Playback", | |
192 | .channels_min = 2, | |
596ce32b LG |
193 | .channels_max = 2, |
194 | .rates = PXA2XX_AC97_RATES, | |
195 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
75b41027 LG |
196 | .capture = { |
197 | .stream_name = "AC97 Capture", | |
198 | .channels_min = 2, | |
596ce32b LG |
199 | .channels_max = 2, |
200 | .rates = PXA2XX_AC97_RATES, | |
201 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
852fd9e5 | 202 | .ops = &pxa_ac97_hifi_dai_ops, |
75b41027 LG |
203 | }, |
204 | { | |
205 | .name = "pxa2xx-ac97-aux", | |
3ba9e10a | 206 | .ac97_control = 1, |
75b41027 LG |
207 | .playback = { |
208 | .stream_name = "AC97 Aux Playback", | |
209 | .channels_min = 1, | |
596ce32b LG |
210 | .channels_max = 1, |
211 | .rates = PXA2XX_AC97_RATES, | |
212 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
75b41027 LG |
213 | .capture = { |
214 | .stream_name = "AC97 Aux Capture", | |
215 | .channels_min = 1, | |
596ce32b LG |
216 | .channels_max = 1, |
217 | .rates = PXA2XX_AC97_RATES, | |
218 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
852fd9e5 | 219 | .ops = &pxa_ac97_aux_dai_ops, |
75b41027 LG |
220 | }, |
221 | { | |
222 | .name = "pxa2xx-ac97-mic", | |
3ba9e10a | 223 | .ac97_control = 1, |
75b41027 LG |
224 | .capture = { |
225 | .stream_name = "AC97 Mic Capture", | |
226 | .channels_min = 1, | |
596ce32b LG |
227 | .channels_max = 1, |
228 | .rates = PXA2XX_AC97_RATES, | |
229 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
852fd9e5 | 230 | .ops = &pxa_ac97_mic_dai_ops, |
596ce32b | 231 | }, |
75b41027 LG |
232 | }; |
233 | ||
75b41027 LG |
234 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
235 | ||
f0fba2ad | 236 | static __devinit int pxa2xx_ac97_dev_probe(struct platform_device *pdev) |
3f4b783c | 237 | { |
f0fba2ad | 238 | if (pdev->id != -1) { |
4ac0478f MV |
239 | dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n"); |
240 | return -ENXIO; | |
241 | } | |
242 | ||
6b849bcf MB |
243 | /* Punt most of the init to the SoC probe; we may need the machine |
244 | * driver to do interesting things with the clocking to get us up | |
245 | * and running. | |
246 | */ | |
f0fba2ad LG |
247 | return snd_soc_register_dais(&pdev->dev, pxa_ac97_dai, |
248 | ARRAY_SIZE(pxa_ac97_dai)); | |
3f4b783c | 249 | } |
6b849bcf MB |
250 | |
251 | static int __devexit pxa2xx_ac97_dev_remove(struct platform_device *pdev) | |
252 | { | |
f0fba2ad | 253 | snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(pxa_ac97_dai)); |
6b849bcf MB |
254 | return 0; |
255 | } | |
256 | ||
257 | static struct platform_driver pxa2xx_ac97_driver = { | |
258 | .probe = pxa2xx_ac97_dev_probe, | |
259 | .remove = __devexit_p(pxa2xx_ac97_dev_remove), | |
260 | .driver = { | |
261 | .name = "pxa2xx-ac97", | |
262 | .owner = THIS_MODULE, | |
263 | }, | |
264 | }; | |
265 | ||
266 | static int __init pxa_ac97_init(void) | |
267 | { | |
268 | return platform_driver_register(&pxa2xx_ac97_driver); | |
269 | } | |
3f4b783c MB |
270 | module_init(pxa_ac97_init); |
271 | ||
272 | static void __exit pxa_ac97_exit(void) | |
273 | { | |
6b849bcf | 274 | platform_driver_unregister(&pxa2xx_ac97_driver); |
3f4b783c MB |
275 | } |
276 | module_exit(pxa_ac97_exit); | |
277 | ||
75b41027 LG |
278 | MODULE_AUTHOR("Nicolas Pitre"); |
279 | MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); | |
280 | MODULE_LICENSE("GPL"); |