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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/regs-ac97.h>
24#include <mach/dma.h>
25#include <mach/audio.h>
26
27#include "pxa2xx-pcm.h"
28#include "pxa2xx-ac97.h"
29
30static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
31{
32 pxa2xx_ac97_try_warm_reset(ac97);
33
34 pxa2xx_ac97_finish_reset(ac97);
35}
36
37static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
38{
39 pxa2xx_ac97_try_cold_reset(ac97);
40
41 pxa2xx_ac97_finish_reset(ac97);
42}
43
44struct snd_ac97_bus_ops soc_ac97_ops = {
45 .read = pxa2xx_ac97_read,
46 .write = pxa2xx_ac97_write,
47 .warm_reset = pxa2xx_ac97_warm_reset,
48 .reset = pxa2xx_ac97_cold_reset,
49};
50
51static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
52 .name = "AC97 PCM Stereo out",
53 .dev_addr = __PREG(PCDR),
54 .drcmr = &DRCMR(12),
55 .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
56 DCMD_BURST32 | DCMD_WIDTH4,
57};
58
59static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
60 .name = "AC97 PCM Stereo in",
61 .dev_addr = __PREG(PCDR),
62 .drcmr = &DRCMR(11),
63 .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
64 DCMD_BURST32 | DCMD_WIDTH4,
65};
66
67static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
68 .name = "AC97 Aux PCM (Slot 5) Mono out",
69 .dev_addr = __PREG(MODR),
70 .drcmr = &DRCMR(10),
71 .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
72 DCMD_BURST16 | DCMD_WIDTH2,
73};
74
75static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
76 .name = "AC97 Aux PCM (Slot 5) Mono in",
77 .dev_addr = __PREG(MODR),
78 .drcmr = &DRCMR(9),
79 .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
80 DCMD_BURST16 | DCMD_WIDTH2,
81};
82
83static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
84 .name = "AC97 Mic PCM (Slot 6) Mono in",
85 .dev_addr = __PREG(MCDR),
86 .drcmr = &DRCMR(8),
87 .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
88 DCMD_BURST16 | DCMD_WIDTH2,
89};
90
91#ifdef CONFIG_PM
92static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai)
93{
94 return pxa2xx_ac97_hw_suspend();
95}
96
97static int pxa2xx_ac97_resume(struct snd_soc_dai *dai)
98{
99 return pxa2xx_ac97_hw_resume();
100}
101
102#else
103#define pxa2xx_ac97_suspend NULL
104#define pxa2xx_ac97_resume NULL
105#endif
106
107static int pxa2xx_ac97_probe(struct platform_device *pdev,
108 struct snd_soc_dai *dai)
109{
110 return pxa2xx_ac97_hw_probe(to_platform_device(dai->dev));
111}
112
113static void pxa2xx_ac97_remove(struct platform_device *pdev,
114 struct snd_soc_dai *dai)
115{
116 pxa2xx_ac97_hw_remove(to_platform_device(dai->dev));
117}
118
119static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
120 struct snd_pcm_hw_params *params,
121 struct snd_soc_dai *dai)
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
134static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
135 struct snd_pcm_hw_params *params,
136 struct snd_soc_dai *dai)
137{
138 struct snd_soc_pcm_runtime *rtd = substream->private_data;
139 struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
140
141 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
142 cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
143 else
144 cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
145
146 return 0;
147}
148
149static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
150 struct snd_pcm_hw_params *params,
151 struct snd_soc_dai *dai)
152{
153 struct snd_soc_pcm_runtime *rtd = substream->private_data;
154 struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
155
156 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
157 return -ENODEV;
158 else
159 cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
160
161 return 0;
162}
163
164#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
165 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
166 SNDRV_PCM_RATE_48000)
167
168static struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = {
169 .hw_params = pxa2xx_ac97_hw_params,
170};
171
172static struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = {
173 .hw_params = pxa2xx_ac97_hw_aux_params,
174};
175
176static struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
177 .hw_params = pxa2xx_ac97_hw_mic_params,
178};
179
180
181
182
183
184struct snd_soc_dai pxa_ac97_dai[] = {
185{
186 .name = "pxa2xx-ac97",
187 .id = 0,
188 .ac97_control = 1,
189 .probe = pxa2xx_ac97_probe,
190 .remove = pxa2xx_ac97_remove,
191 .suspend = pxa2xx_ac97_suspend,
192 .resume = pxa2xx_ac97_resume,
193 .playback = {
194 .stream_name = "AC97 Playback",
195 .channels_min = 2,
196 .channels_max = 2,
197 .rates = PXA2XX_AC97_RATES,
198 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
199 .capture = {
200 .stream_name = "AC97 Capture",
201 .channels_min = 2,
202 .channels_max = 2,
203 .rates = PXA2XX_AC97_RATES,
204 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
205 .ops = &pxa_ac97_hifi_dai_ops,
206},
207{
208 .name = "pxa2xx-ac97-aux",
209 .id = 1,
210 .ac97_control = 1,
211 .playback = {
212 .stream_name = "AC97 Aux Playback",
213 .channels_min = 1,
214 .channels_max = 1,
215 .rates = PXA2XX_AC97_RATES,
216 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
217 .capture = {
218 .stream_name = "AC97 Aux Capture",
219 .channels_min = 1,
220 .channels_max = 1,
221 .rates = PXA2XX_AC97_RATES,
222 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
223 .ops = &pxa_ac97_aux_dai_ops,
224},
225{
226 .name = "pxa2xx-ac97-mic",
227 .id = 2,
228 .ac97_control = 1,
229 .capture = {
230 .stream_name = "AC97 Mic Capture",
231 .channels_min = 1,
232 .channels_max = 1,
233 .rates = PXA2XX_AC97_RATES,
234 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
235 .ops = &pxa_ac97_mic_dai_ops,
236},
237};
238
239EXPORT_SYMBOL_GPL(pxa_ac97_dai);
240EXPORT_SYMBOL_GPL(soc_ac97_ops);
241
242static int __devinit pxa2xx_ac97_dev_probe(struct platform_device *pdev)
243{
244 int i;
245 pxa2xx_audio_ops_t *pdata = pdev->dev.platform_data;
246
247 if (pdev->id >= 0) {
248 dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
249 return -ENXIO;
250 }
251
252 for (i = 0; i < ARRAY_SIZE(pxa_ac97_dai); i++) {
253 pxa_ac97_dai[i].dev = &pdev->dev;
254 if (pdata && pdata->codec_pdata[0])
255 pxa_ac97_dai[i].ac97_pdata = pdata->codec_pdata[0];
256 }
257
258
259
260
261
262 return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
263}
264
265static int __devexit pxa2xx_ac97_dev_remove(struct platform_device *pdev)
266{
267 snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
268
269 return 0;
270}
271
272static struct platform_driver pxa2xx_ac97_driver = {
273 .probe = pxa2xx_ac97_dev_probe,
274 .remove = __devexit_p(pxa2xx_ac97_dev_remove),
275 .driver = {
276 .name = "pxa2xx-ac97",
277 .owner = THIS_MODULE,
278 },
279};
280
281static int __init pxa_ac97_init(void)
282{
283 return platform_driver_register(&pxa2xx_ac97_driver);
284}
285module_init(pxa_ac97_init);
286
287static void __exit pxa_ac97_exit(void)
288{
289 platform_driver_unregister(&pxa2xx_ac97_driver);
290}
291module_exit(pxa_ac97_exit);
292
293MODULE_AUTHOR("Nicolas Pitre");
294MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
295MODULE_LICENSE("GPL");
296
