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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 RK |
22 | #include <mach/hardware.h> |
23 | #include <mach/pxa-regs.h> | |
1f017a99 | 24 | #include <mach/regs-ac97.h> |
75b41027 LG |
25 | |
26 | #include "pxa2xx-pcm.h" | |
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 | ||
bdb92876 | 106 | static int pxa2xx_ac97_probe(struct platform_device *pdev, |
917f93ac | 107 | struct snd_soc_dai *dai) |
75b41027 | 108 | { |
9c636342 | 109 | return pxa2xx_ac97_hw_probe(pdev); |
75b41027 LG |
110 | } |
111 | ||
a84534dc DB |
112 | static void pxa2xx_ac97_remove(struct platform_device *pdev, |
113 | struct snd_soc_dai *dai) | |
75b41027 | 114 | { |
9c636342 | 115 | pxa2xx_ac97_hw_remove(pdev); |
75b41027 LG |
116 | } |
117 | ||
118 | static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
119 | struct snd_pcm_hw_params *params, |
120 | struct snd_soc_dai *dai) | |
75b41027 LG |
121 | { |
122 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
917f93ac | 123 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; |
75b41027 LG |
124 | |
125 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
596ce32b | 126 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out; |
75b41027 | 127 | else |
596ce32b | 128 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in; |
75b41027 LG |
129 | |
130 | return 0; | |
131 | } | |
132 | ||
133 | static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
134 | struct snd_pcm_hw_params *params, |
135 | struct snd_soc_dai *dai) | |
75b41027 LG |
136 | { |
137 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
917f93ac | 138 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; |
75b41027 LG |
139 | |
140 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
596ce32b | 141 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out; |
75b41027 | 142 | else |
596ce32b | 143 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in; |
75b41027 LG |
144 | |
145 | return 0; | |
146 | } | |
147 | ||
148 | static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
149 | struct snd_pcm_hw_params *params, |
150 | struct snd_soc_dai *dai) | |
75b41027 LG |
151 | { |
152 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
917f93ac | 153 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; |
75b41027 LG |
154 | |
155 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
156 | return -ENODEV; | |
157 | else | |
596ce32b | 158 | cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in; |
75b41027 LG |
159 | |
160 | return 0; | |
161 | } | |
162 | ||
596ce32b LG |
163 | #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
164 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ | |
165 | SNDRV_PCM_RATE_48000) | |
166 | ||
6335d055 EM |
167 | static struct snd_soc_dai_ops pxa_ac97_dai_ops = { |
168 | .hw_params = pxa2xx_ac97_hw_params, | |
169 | }; | |
170 | ||
75b41027 LG |
171 | /* |
172 | * There is only 1 physical AC97 interface for pxa2xx, but it | |
173 | * has extra fifo's that can be used for aux DACs and ADCs. | |
174 | */ | |
917f93ac | 175 | struct snd_soc_dai pxa_ac97_dai[] = { |
75b41027 LG |
176 | { |
177 | .name = "pxa2xx-ac97", | |
178 | .id = 0, | |
3ba9e10a | 179 | .ac97_control = 1, |
75b41027 LG |
180 | .probe = pxa2xx_ac97_probe, |
181 | .remove = pxa2xx_ac97_remove, | |
182 | .suspend = pxa2xx_ac97_suspend, | |
183 | .resume = pxa2xx_ac97_resume, | |
184 | .playback = { | |
185 | .stream_name = "AC97 Playback", | |
186 | .channels_min = 2, | |
596ce32b LG |
187 | .channels_max = 2, |
188 | .rates = PXA2XX_AC97_RATES, | |
189 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
75b41027 LG |
190 | .capture = { |
191 | .stream_name = "AC97 Capture", | |
192 | .channels_min = 2, | |
596ce32b LG |
193 | .channels_max = 2, |
194 | .rates = PXA2XX_AC97_RATES, | |
195 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
6335d055 | 196 | .ops = &pxa_ac97_dai_ops, |
75b41027 LG |
197 | }, |
198 | { | |
199 | .name = "pxa2xx-ac97-aux", | |
200 | .id = 1, | |
3ba9e10a | 201 | .ac97_control = 1, |
75b41027 LG |
202 | .playback = { |
203 | .stream_name = "AC97 Aux Playback", | |
204 | .channels_min = 1, | |
596ce32b LG |
205 | .channels_max = 1, |
206 | .rates = PXA2XX_AC97_RATES, | |
207 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
75b41027 LG |
208 | .capture = { |
209 | .stream_name = "AC97 Aux Capture", | |
210 | .channels_min = 1, | |
596ce32b LG |
211 | .channels_max = 1, |
212 | .rates = PXA2XX_AC97_RATES, | |
213 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
6335d055 | 214 | .ops = &pxa_ac97_dai_ops, |
75b41027 LG |
215 | }, |
216 | { | |
217 | .name = "pxa2xx-ac97-mic", | |
218 | .id = 2, | |
3ba9e10a | 219 | .ac97_control = 1, |
75b41027 LG |
220 | .capture = { |
221 | .stream_name = "AC97 Mic Capture", | |
222 | .channels_min = 1, | |
596ce32b LG |
223 | .channels_max = 1, |
224 | .rates = PXA2XX_AC97_RATES, | |
225 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
6335d055 | 226 | .ops = &pxa_ac97_dai_ops, |
596ce32b | 227 | }, |
75b41027 LG |
228 | }; |
229 | ||
230 | EXPORT_SYMBOL_GPL(pxa_ac97_dai); | |
231 | EXPORT_SYMBOL_GPL(soc_ac97_ops); | |
232 | ||
c9b3a40f | 233 | static int __init pxa_ac97_init(void) |
3f4b783c MB |
234 | { |
235 | return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai)); | |
236 | } | |
237 | module_init(pxa_ac97_init); | |
238 | ||
239 | static void __exit pxa_ac97_exit(void) | |
240 | { | |
241 | snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai)); | |
242 | } | |
243 | module_exit(pxa_ac97_exit); | |
244 | ||
75b41027 LG |
245 | MODULE_AUTHOR("Nicolas Pitre"); |
246 | MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); | |
247 | MODULE_LICENSE("GPL"); |