[ARM] pxa: move AC97 register definitions into dedicated regs-ac97.h
[linux-2.6.git] / sound / soc / pxa / pxa2xx-ac97.c
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>
16
17 #include <sound/core.h>
18 #include <sound/ac97_codec.h>
19 #include <sound/soc.h>
20 #include <sound/pxa2xx-lib.h>
21
22 #include <mach/hardware.h>
23 #include <mach/pxa-regs.h>
24 #include <mach/regs-ac97.h>
25
26 #include "pxa2xx-pcm.h"
27 #include "pxa2xx-ac97.h"
28
29 static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
30 {
31         pxa2xx_ac97_try_warm_reset(ac97);
32
33         pxa2xx_ac97_finish_reset(ac97);
34 }
35
36 static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
37 {
38         pxa2xx_ac97_try_cold_reset(ac97);
39
40         pxa2xx_ac97_finish_reset(ac97);
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),
53         .drcmr                  = &DRCMR(12),
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),
61         .drcmr                  = &DRCMR(11),
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),
69         .drcmr                  = &DRCMR(10),
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),
77         .drcmr                  = &DRCMR(9),
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),
85         .drcmr                  = &DRCMR(8),
86         .dcmd                   = DCMD_INCTRGADDR | DCMD_FLOWSRC |
87                                   DCMD_BURST16 | DCMD_WIDTH2,
88 };
89
90 #ifdef CONFIG_PM
91 static int pxa2xx_ac97_suspend(struct platform_device *pdev,
92         struct snd_soc_dai *dai)
93 {
94         return pxa2xx_ac97_hw_suspend();
95 }
96
97 static int pxa2xx_ac97_resume(struct platform_device *pdev,
98         struct snd_soc_dai *dai)
99 {
100         return pxa2xx_ac97_hw_resume();
101 }
102
103 #else
104 #define pxa2xx_ac97_suspend     NULL
105 #define pxa2xx_ac97_resume      NULL
106 #endif
107
108 static int pxa2xx_ac97_probe(struct platform_device *pdev,
109                              struct snd_soc_dai *dai)
110 {
111         return pxa2xx_ac97_hw_probe(pdev);
112 }
113
114 static void pxa2xx_ac97_remove(struct platform_device *pdev,
115                                struct snd_soc_dai *dai)
116 {
117         pxa2xx_ac97_hw_remove(pdev);
118 }
119
120 static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
121                                 struct snd_pcm_hw_params *params)
122 {
123         struct snd_soc_pcm_runtime *rtd = substream->private_data;
124         struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
125
126         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
127                 cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
128         else
129                 cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
130
131         return 0;
132 }
133
134 static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
135         struct snd_pcm_hw_params *params)
136 {
137         struct snd_soc_pcm_runtime *rtd = substream->private_data;
138         struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
139
140         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
141                 cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
142         else
143                 cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
144
145         return 0;
146 }
147
148 static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
149         struct snd_pcm_hw_params *params)
150 {
151         struct snd_soc_pcm_runtime *rtd = substream->private_data;
152         struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
153
154         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
155                 return -ENODEV;
156         else
157                 cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
158
159         return 0;
160 }
161
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
166 /*
167  * There is only 1 physical AC97 interface for pxa2xx, but it
168  * has extra fifo's that can be used for aux DACs and ADCs.
169  */
170 struct snd_soc_dai pxa_ac97_dai[] = {
171 {
172         .name = "pxa2xx-ac97",
173         .id = 0,
174         .type = SND_SOC_DAI_AC97,
175         .probe = pxa2xx_ac97_probe,
176         .remove = pxa2xx_ac97_remove,
177         .suspend = pxa2xx_ac97_suspend,
178         .resume = pxa2xx_ac97_resume,
179         .playback = {
180                 .stream_name = "AC97 Playback",
181                 .channels_min = 2,
182                 .channels_max = 2,
183                 .rates = PXA2XX_AC97_RATES,
184                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
185         .capture = {
186                 .stream_name = "AC97 Capture",
187                 .channels_min = 2,
188                 .channels_max = 2,
189                 .rates = PXA2XX_AC97_RATES,
190                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
191         .ops = {
192                 .hw_params = pxa2xx_ac97_hw_params,},
193 },
194 {
195         .name = "pxa2xx-ac97-aux",
196         .id = 1,
197         .type = SND_SOC_DAI_AC97,
198         .playback = {
199                 .stream_name = "AC97 Aux Playback",
200                 .channels_min = 1,
201                 .channels_max = 1,
202                 .rates = PXA2XX_AC97_RATES,
203                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
204         .capture = {
205                 .stream_name = "AC97 Aux Capture",
206                 .channels_min = 1,
207                 .channels_max = 1,
208                 .rates = PXA2XX_AC97_RATES,
209                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
210         .ops = {
211                 .hw_params = pxa2xx_ac97_hw_aux_params,},
212 },
213 {
214         .name = "pxa2xx-ac97-mic",
215         .id = 2,
216         .type = SND_SOC_DAI_AC97,
217         .capture = {
218                 .stream_name = "AC97 Mic Capture",
219                 .channels_min = 1,
220                 .channels_max = 1,
221                 .rates = PXA2XX_AC97_RATES,
222                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
223         .ops = {
224                 .hw_params = pxa2xx_ac97_hw_mic_params,},
225 },
226 };
227
228 EXPORT_SYMBOL_GPL(pxa_ac97_dai);
229 EXPORT_SYMBOL_GPL(soc_ac97_ops);
230
231 MODULE_AUTHOR("Nicolas Pitre");
232 MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
233 MODULE_LICENSE("GPL");