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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
29static 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
36static 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
43struct 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
50static 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
58static 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
66static 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
74static 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
82static 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
91static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai)
92{
93 return pxa2xx_ac97_hw_suspend();
94}
95
96static int pxa2xx_ac97_resume(struct snd_soc_dai *dai)
97{
98 return pxa2xx_ac97_hw_resume();
99}
100
101#else
102#define pxa2xx_ac97_suspend NULL
103#define pxa2xx_ac97_resume NULL
104#endif
105
106static int pxa2xx_ac97_probe(struct platform_device *pdev,
107 struct snd_soc_dai *dai)
108{
109 return pxa2xx_ac97_hw_probe(pdev);
110}
111
112static void pxa2xx_ac97_remove(struct platform_device *pdev,
113 struct snd_soc_dai *dai)
114{
115 pxa2xx_ac97_hw_remove(pdev);
116}
117
118static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
119 struct snd_pcm_hw_params *params,
120 struct snd_soc_dai *dai)
121{
122 struct snd_soc_pcm_runtime *rtd = substream->private_data;
123 struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
124
125 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
126 cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
127 else
128 cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
129
130 return 0;
131}
132
133static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
134 struct snd_pcm_hw_params *params,
135 struct snd_soc_dai *dai)
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
148static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
149 struct snd_pcm_hw_params *params,
150 struct snd_soc_dai *dai)
151{
152 struct snd_soc_pcm_runtime *rtd = substream->private_data;
153 struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
154
155 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
156 return -ENODEV;
157 else
158 cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
159
160 return 0;
161}
162
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
167
168
169
170
171struct snd_soc_dai pxa_ac97_dai[] = {
172{
173 .name = "pxa2xx-ac97",
174 .id = 0,
175 .ac97_control = 1,
176 .probe = pxa2xx_ac97_probe,
177 .remove = pxa2xx_ac97_remove,
178 .suspend = pxa2xx_ac97_suspend,
179 .resume = pxa2xx_ac97_resume,
180 .playback = {
181 .stream_name = "AC97 Playback",
182 .channels_min = 2,
183 .channels_max = 2,
184 .rates = PXA2XX_AC97_RATES,
185 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
186 .capture = {
187 .stream_name = "AC97 Capture",
188 .channels_min = 2,
189 .channels_max = 2,
190 .rates = PXA2XX_AC97_RATES,
191 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
192 .ops = {
193 .hw_params = pxa2xx_ac97_hw_params,},
194},
195{
196 .name = "pxa2xx-ac97-aux",
197 .id = 1,
198 .ac97_control = 1,
199 .playback = {
200 .stream_name = "AC97 Aux Playback",
201 .channels_min = 1,
202 .channels_max = 1,
203 .rates = PXA2XX_AC97_RATES,
204 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
205 .capture = {
206 .stream_name = "AC97 Aux Capture",
207 .channels_min = 1,
208 .channels_max = 1,
209 .rates = PXA2XX_AC97_RATES,
210 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
211 .ops = {
212 .hw_params = pxa2xx_ac97_hw_aux_params,},
213},
214{
215 .name = "pxa2xx-ac97-mic",
216 .id = 2,
217 .ac97_control = 1,
218 .capture = {
219 .stream_name = "AC97 Mic Capture",
220 .channels_min = 1,
221 .channels_max = 1,
222 .rates = PXA2XX_AC97_RATES,
223 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
224 .ops = {
225 .hw_params = pxa2xx_ac97_hw_mic_params,},
226},
227};
228
229EXPORT_SYMBOL_GPL(pxa_ac97_dai);
230EXPORT_SYMBOL_GPL(soc_ac97_ops);
231
232static int __init pxa_ac97_init(void)
233{
234 return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
235}
236module_init(pxa_ac97_init);
237
238static void __exit pxa_ac97_exit(void)
239{
240 snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
241}
242module_exit(pxa_ac97_exit);
243
244MODULE_AUTHOR("Nicolas Pitre");
245MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
246MODULE_LICENSE("GPL");
247
