1 // SPDX-License-Identifier: GPL-2.0-only <<
2 /* 1 /*
3 * linux/sound/pxa2xx-ac97.c -- AC97 support f 2 * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
4 * 3 *
5 * Author: Nicolas Pitre 4 * Author: Nicolas Pitre
6 * Created: Dec 02, 2004 5 * Created: Dec 02, 2004
7 * Copyright: MontaVista Software Inc. 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.
8 */ 11 */
9 12
10 #include <linux/init.h> 13 #include <linux/init.h>
11 #include <linux/io.h> 14 #include <linux/io.h>
12 #include <linux/module.h> 15 #include <linux/module.h>
13 #include <linux/platform_device.h> 16 #include <linux/platform_device.h>
14 #include <linux/dmaengine.h> 17 #include <linux/dmaengine.h>
15 #include <linux/dma/pxa-dma.h> 18 #include <linux/dma/pxa-dma.h>
16 19
17 #include <sound/ac97/controller.h> <<
18 #include <sound/core.h> 20 #include <sound/core.h>
19 #include <sound/ac97_codec.h> 21 #include <sound/ac97_codec.h>
20 #include <sound/soc.h> 22 #include <sound/soc.h>
21 #include <sound/pxa2xx-lib.h> 23 #include <sound/pxa2xx-lib.h>
22 #include <sound/dmaengine_pcm.h> 24 #include <sound/dmaengine_pcm.h>
23 25
24 #include <linux/platform_data/asoc-pxa.h> !! 26 #include <mach/hardware.h>
>> 27 #include <mach/regs-ac97.h>
>> 28 #include <mach/audio.h>
25 29
26 #define PCDR 0x0040 /* PCM FIFO Data Regis !! 30 #include "pxa2xx-ac97.h"
27 #define MODR 0x0140 /* Modem FIFO Data Reg <<
28 #define MCDR 0x0060 /* Mic-in FIFO Data Re <<
29 31
30 static void pxa2xx_ac97_warm_reset(struct ac97 !! 32 static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
31 { 33 {
32 pxa2xx_ac97_try_warm_reset(); !! 34 pxa2xx_ac97_try_warm_reset(ac97);
33 35
34 pxa2xx_ac97_finish_reset(); !! 36 pxa2xx_ac97_finish_reset(ac97);
35 } 37 }
36 38
37 static void pxa2xx_ac97_cold_reset(struct ac97 !! 39 static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
38 { 40 {
39 pxa2xx_ac97_try_cold_reset(); !! 41 pxa2xx_ac97_try_cold_reset(ac97);
40 <<
41 pxa2xx_ac97_finish_reset(); <<
42 } <<
43 42
44 static int pxa2xx_ac97_read_actrl(struct ac97_ !! 43 pxa2xx_ac97_finish_reset(ac97);
45 unsigned sho <<
46 { <<
47 return pxa2xx_ac97_read(slot, reg); <<
48 } <<
49 <<
50 static int pxa2xx_ac97_write_actrl(struct ac97 <<
51 unsigned sh <<
52 { <<
53 return pxa2xx_ac97_write(slot, reg, va <<
54 } 44 }
55 45
56 static struct ac97_controller_ops pxa2xx_ac97_ !! 46 static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
57 .read = pxa2xx_ac97_read_actrl, !! 47 .read = pxa2xx_ac97_read,
58 .write = pxa2xx_ac97_write_actrl, !! 48 .write = pxa2xx_ac97_write,
59 .warm_reset = pxa2xx_ac97_warm_res 49 .warm_reset = pxa2xx_ac97_warm_reset,
60 .reset = pxa2xx_ac97_cold_reset, 50 .reset = pxa2xx_ac97_cold_reset,
61 }; 51 };
62 52
>> 53 static struct pxad_param pxa2xx_ac97_pcm_stereo_in_req = {
>> 54 .prio = PXAD_PRIO_LOWEST,
>> 55 .drcmr = 11,
>> 56 };
>> 57
63 static struct snd_dmaengine_dai_dma_data pxa2x 58 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
>> 59 .addr = __PREG(PCDR),
64 .addr_width = DMA_SLAVE_BUSWIDTH_4 60 .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
65 .chan_name = "pcm_pcm_stereo_in", <<
66 .maxburst = 32, 61 .maxburst = 32,
>> 62 .filter_data = &pxa2xx_ac97_pcm_stereo_in_req,
>> 63 };
>> 64
>> 65 static struct pxad_param pxa2xx_ac97_pcm_stereo_out_req = {
>> 66 .prio = PXAD_PRIO_LOWEST,
>> 67 .drcmr = 12,
67 }; 68 };
68 69
69 static struct snd_dmaengine_dai_dma_data pxa2x 70 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
>> 71 .addr = __PREG(PCDR),
70 .addr_width = DMA_SLAVE_BUSWIDTH_4 72 .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
71 .chan_name = "pcm_pcm_stereo_out" <<
72 .maxburst = 32, 73 .maxburst = 32,
>> 74 .filter_data = &pxa2xx_ac97_pcm_stereo_out_req,
73 }; 75 };
74 76
>> 77 static struct pxad_param pxa2xx_ac97_pcm_aux_mono_out_req = {
>> 78 .prio = PXAD_PRIO_LOWEST,
>> 79 .drcmr = 10,
>> 80 };
75 static struct snd_dmaengine_dai_dma_data pxa2x 81 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = {
>> 82 .addr = __PREG(MODR),
76 .addr_width = DMA_SLAVE_BUSWIDTH_2 83 .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
77 .chan_name = "pcm_aux_mono_out", <<
78 .maxburst = 16, 84 .maxburst = 16,
>> 85 .filter_data = &pxa2xx_ac97_pcm_aux_mono_out_req,
79 }; 86 };
80 87
>> 88 static struct pxad_param pxa2xx_ac97_pcm_aux_mono_in_req = {
>> 89 .prio = PXAD_PRIO_LOWEST,
>> 90 .drcmr = 9,
>> 91 };
81 static struct snd_dmaengine_dai_dma_data pxa2x 92 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = {
>> 93 .addr = __PREG(MODR),
82 .addr_width = DMA_SLAVE_BUSWIDTH_2 94 .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
83 .chan_name = "pcm_aux_mono_in", <<
84 .maxburst = 16, 95 .maxburst = 16,
>> 96 .filter_data = &pxa2xx_ac97_pcm_aux_mono_in_req,
85 }; 97 };
86 98
>> 99 static struct pxad_param pxa2xx_ac97_pcm_aux_mic_mono_req = {
>> 100 .prio = PXAD_PRIO_LOWEST,
>> 101 .drcmr = 8,
>> 102 };
87 static struct snd_dmaengine_dai_dma_data pxa2x 103 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
>> 104 .addr = __PREG(MCDR),
88 .addr_width = DMA_SLAVE_BUSWIDTH_2 105 .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
89 .chan_name = "pcm_aux_mic_mono", <<
90 .maxburst = 16, 106 .maxburst = 16,
>> 107 .filter_data = &pxa2xx_ac97_pcm_aux_mic_mono_req,
91 }; 108 };
92 109
93 static int pxa2xx_ac97_hifi_startup(struct snd 110 static int pxa2xx_ac97_hifi_startup(struct snd_pcm_substream *substream,
94 struct snd 111 struct snd_soc_dai *cpu_dai)
95 { 112 {
96 struct snd_dmaengine_dai_dma_data *dma 113 struct snd_dmaengine_dai_dma_data *dma_data;
97 114
98 if (substream->stream == SNDRV_PCM_STR 115 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
99 dma_data = &pxa2xx_ac97_pcm_st 116 dma_data = &pxa2xx_ac97_pcm_stereo_out;
100 else 117 else
101 dma_data = &pxa2xx_ac97_pcm_st 118 dma_data = &pxa2xx_ac97_pcm_stereo_in;
102 119
103 snd_soc_dai_set_dma_data(cpu_dai, subs 120 snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
104 121
105 return 0; 122 return 0;
106 } 123 }
107 124
108 static int pxa2xx_ac97_aux_startup(struct snd_ 125 static int pxa2xx_ac97_aux_startup(struct snd_pcm_substream *substream,
109 struct snd_ 126 struct snd_soc_dai *cpu_dai)
110 { 127 {
111 struct snd_dmaengine_dai_dma_data *dma 128 struct snd_dmaengine_dai_dma_data *dma_data;
112 129
113 if (substream->stream == SNDRV_PCM_STR 130 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
114 dma_data = &pxa2xx_ac97_pcm_au 131 dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
115 else 132 else
116 dma_data = &pxa2xx_ac97_pcm_au 133 dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
117 134
118 snd_soc_dai_set_dma_data(cpu_dai, subs 135 snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
119 136
120 return 0; 137 return 0;
121 } 138 }
122 139
123 static int pxa2xx_ac97_mic_startup(struct snd_ 140 static int pxa2xx_ac97_mic_startup(struct snd_pcm_substream *substream,
124 struct snd_ 141 struct snd_soc_dai *cpu_dai)
125 { 142 {
126 if (substream->stream == SNDRV_PCM_STR 143 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
127 return -ENODEV; 144 return -ENODEV;
128 snd_soc_dai_set_dma_data(cpu_dai, subs !! 145 else
129 &pxa2xx_ac97_ !! 146 snd_soc_dai_set_dma_data(cpu_dai, substream,
>> 147 &pxa2xx_ac97_pcm_mic_mono_in);
130 148
131 return 0; 149 return 0;
132 } 150 }
133 151
134 #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 152 #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
135 SNDRV_PCM_RATE_16000 | SNDRV_P 153 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
136 SNDRV_PCM_RATE_48000) 154 SNDRV_PCM_RATE_48000)
137 155
138 static const struct snd_soc_dai_ops pxa_ac97_h 156 static const struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = {
139 .startup = pxa2xx_ac97_hifi_sta 157 .startup = pxa2xx_ac97_hifi_startup,
140 }; 158 };
141 159
142 static const struct snd_soc_dai_ops pxa_ac97_a 160 static const struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = {
143 .startup = pxa2xx_ac97_aux_star 161 .startup = pxa2xx_ac97_aux_startup,
144 }; 162 };
145 163
146 static const struct snd_soc_dai_ops pxa_ac97_m 164 static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
147 .startup = pxa2xx_ac97_mic_star 165 .startup = pxa2xx_ac97_mic_startup,
148 }; 166 };
149 167
150 /* 168 /*
151 * There is only 1 physical AC97 interface for 169 * There is only 1 physical AC97 interface for pxa2xx, but it
152 * has extra fifo's that can be used for aux D 170 * has extra fifo's that can be used for aux DACs and ADCs.
153 */ 171 */
154 static struct snd_soc_dai_driver pxa_ac97_dai_ 172 static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
155 { 173 {
156 .name = "pxa2xx-ac97", 174 .name = "pxa2xx-ac97",
>> 175 .bus_control = true,
157 .playback = { 176 .playback = {
158 .stream_name = "AC97 Playback" 177 .stream_name = "AC97 Playback",
159 .channels_min = 2, 178 .channels_min = 2,
160 .channels_max = 2, 179 .channels_max = 2,
161 .rates = PXA2XX_AC97_RATES, 180 .rates = PXA2XX_AC97_RATES,
162 .formats = SNDRV_PCM_FMTBIT_S1 181 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
163 .capture = { 182 .capture = {
164 .stream_name = "AC97 Capture", 183 .stream_name = "AC97 Capture",
165 .channels_min = 2, 184 .channels_min = 2,
166 .channels_max = 2, 185 .channels_max = 2,
167 .rates = PXA2XX_AC97_RATES, 186 .rates = PXA2XX_AC97_RATES,
168 .formats = SNDRV_PCM_FMTBIT_S1 187 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
169 .ops = &pxa_ac97_hifi_dai_ops, 188 .ops = &pxa_ac97_hifi_dai_ops,
170 }, 189 },
171 { 190 {
172 .name = "pxa2xx-ac97-aux", 191 .name = "pxa2xx-ac97-aux",
>> 192 .bus_control = true,
173 .playback = { 193 .playback = {
174 .stream_name = "AC97 Aux Playb 194 .stream_name = "AC97 Aux Playback",
175 .channels_min = 1, 195 .channels_min = 1,
176 .channels_max = 1, 196 .channels_max = 1,
177 .rates = PXA2XX_AC97_RATES, 197 .rates = PXA2XX_AC97_RATES,
178 .formats = SNDRV_PCM_FMTBIT_S1 198 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
179 .capture = { 199 .capture = {
180 .stream_name = "AC97 Aux Captu 200 .stream_name = "AC97 Aux Capture",
181 .channels_min = 1, 201 .channels_min = 1,
182 .channels_max = 1, 202 .channels_max = 1,
183 .rates = PXA2XX_AC97_RATES, 203 .rates = PXA2XX_AC97_RATES,
184 .formats = SNDRV_PCM_FMTBIT_S1 204 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
185 .ops = &pxa_ac97_aux_dai_ops, 205 .ops = &pxa_ac97_aux_dai_ops,
186 }, 206 },
187 { 207 {
188 .name = "pxa2xx-ac97-mic", 208 .name = "pxa2xx-ac97-mic",
>> 209 .bus_control = true,
189 .capture = { 210 .capture = {
190 .stream_name = "AC97 Mic Captu 211 .stream_name = "AC97 Mic Capture",
191 .channels_min = 1, 212 .channels_min = 1,
192 .channels_max = 1, 213 .channels_max = 1,
193 .rates = PXA2XX_AC97_RATES, 214 .rates = PXA2XX_AC97_RATES,
194 .formats = SNDRV_PCM_FMTBIT_S1 215 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
195 .ops = &pxa_ac97_mic_dai_ops, 216 .ops = &pxa_ac97_mic_dai_ops,
196 }, 217 },
197 }; 218 };
198 219
199 static const struct snd_soc_component_driver p 220 static const struct snd_soc_component_driver pxa_ac97_component = {
200 .name = "pxa-ac97", 221 .name = "pxa-ac97",
201 .pcm_construct = pxa2xx_soc_pcm_new, <<
202 .open = pxa2xx_soc_pcm_open, <<
203 .close = pxa2xx_soc_pcm_close <<
204 .hw_params = pxa2xx_soc_pcm_hw_pa <<
205 .prepare = pxa2xx_soc_pcm_prepa <<
206 .trigger = pxa2xx_soc_pcm_trigg <<
207 .pointer = pxa2xx_soc_pcm_point <<
208 }; <<
209 <<
210 #ifdef CONFIG_OF <<
211 static const struct of_device_id pxa2xx_ac97_d <<
212 { .compatible = "marvell,pxa250-ac97", <<
213 { .compatible = "marvell,pxa270-ac97", <<
214 { .compatible = "marvell,pxa300-ac97", <<
215 { } <<
216 }; 222 };
217 MODULE_DEVICE_TABLE(of, pxa2xx_ac97_dt_ids); <<
218 <<
219 #endif <<
220 223
221 static int pxa2xx_ac97_dev_probe(struct platfo 224 static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
222 { 225 {
223 int ret; 226 int ret;
224 struct ac97_controller *ctrl; <<
225 pxa2xx_audio_ops_t *pdata = pdev->dev. <<
226 struct resource *regs; <<
227 void **codecs_pdata; <<
228 227
229 if (pdev->id != -1) { 228 if (pdev->id != -1) {
230 dev_err(&pdev->dev, "PXA2xx ha 229 dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
231 return -ENXIO; 230 return -ENXIO;
232 } 231 }
233 232
234 regs = platform_get_resource(pdev, IOR <<
235 if (!regs) <<
236 return -ENXIO; <<
237 <<
238 pxa2xx_ac97_pcm_stereo_in.addr = regs- <<
239 pxa2xx_ac97_pcm_stereo_out.addr = regs <<
240 pxa2xx_ac97_pcm_aux_mono_out.addr = re <<
241 pxa2xx_ac97_pcm_aux_mono_in.addr = reg <<
242 pxa2xx_ac97_pcm_mic_mono_in.addr = reg <<
243 <<
244 ret = pxa2xx_ac97_hw_probe(pdev); 233 ret = pxa2xx_ac97_hw_probe(pdev);
245 if (ret) { 234 if (ret) {
246 dev_err(&pdev->dev, "PXA2xx AC 235 dev_err(&pdev->dev, "PXA2xx AC97 hw probe error (%d)\n", ret);
247 return ret; 236 return ret;
248 } 237 }
249 238
250 codecs_pdata = pdata ? pdata->codec_pd !! 239 ret = snd_soc_set_ac97_ops(&pxa2xx_ac97_ops);
251 ctrl = snd_ac97_controller_register(&p !! 240 if (ret != 0)
252 AC !! 241 return ret;
253 co <<
254 if (IS_ERR(ctrl)) <<
255 return PTR_ERR(ctrl); <<
256 242
257 platform_set_drvdata(pdev, ctrl); <<
258 /* Punt most of the init to the SoC pr 243 /* Punt most of the init to the SoC probe; we may need the machine
259 * driver to do interesting things wit 244 * driver to do interesting things with the clocking to get us up
260 * and running. 245 * and running.
261 */ 246 */
262 return devm_snd_soc_register_component !! 247 return snd_soc_register_component(&pdev->dev, &pxa_ac97_component,
263 pxa_ 248 pxa_ac97_dai_driver, ARRAY_SIZE(pxa_ac97_dai_driver));
264 } 249 }
265 250
266 static void pxa2xx_ac97_dev_remove(struct plat !! 251 static int pxa2xx_ac97_dev_remove(struct platform_device *pdev)
267 { 252 {
268 struct ac97_controller *ctrl = platfor !! 253 snd_soc_unregister_component(&pdev->dev);
269 !! 254 snd_soc_set_ac97_ops(NULL);
270 snd_ac97_controller_unregister(ctrl); <<
271 pxa2xx_ac97_hw_remove(pdev); 255 pxa2xx_ac97_hw_remove(pdev);
>> 256 return 0;
272 } 257 }
273 258
>> 259 #ifdef CONFIG_PM_SLEEP
274 static int pxa2xx_ac97_dev_suspend(struct devi 260 static int pxa2xx_ac97_dev_suspend(struct device *dev)
275 { 261 {
276 return pxa2xx_ac97_hw_suspend(); 262 return pxa2xx_ac97_hw_suspend();
277 } 263 }
278 264
279 static int pxa2xx_ac97_dev_resume(struct devic 265 static int pxa2xx_ac97_dev_resume(struct device *dev)
280 { 266 {
281 return pxa2xx_ac97_hw_resume(); 267 return pxa2xx_ac97_hw_resume();
282 } 268 }
283 269
284 static DEFINE_SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm !! 270 static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops,
285 pxa2xx_ac97_dev_suspend, pxa2x 271 pxa2xx_ac97_dev_suspend, pxa2xx_ac97_dev_resume);
>> 272 #endif
286 273
287 static struct platform_driver pxa2xx_ac97_driv 274 static struct platform_driver pxa2xx_ac97_driver = {
288 .probe = pxa2xx_ac97_dev_prob 275 .probe = pxa2xx_ac97_dev_probe,
289 .remove = pxa2xx_ac97_dev_remo 276 .remove = pxa2xx_ac97_dev_remove,
290 .driver = { 277 .driver = {
291 .name = "pxa2xx-ac97", 278 .name = "pxa2xx-ac97",
>> 279 #ifdef CONFIG_PM_SLEEP
292 .pm = &pxa2xx_ac97_pm_ops, 280 .pm = &pxa2xx_ac97_pm_ops,
293 .of_match_table = of_match_ptr !! 281 #endif
294 }, 282 },
295 }; 283 };
296 284
297 module_platform_driver(pxa2xx_ac97_driver); 285 module_platform_driver(pxa2xx_ac97_driver);
298 286
299 MODULE_AUTHOR("Nicolas Pitre"); 287 MODULE_AUTHOR("Nicolas Pitre");
300 MODULE_DESCRIPTION("AC97 driver for the Intel 288 MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
301 MODULE_LICENSE("GPL"); 289 MODULE_LICENSE("GPL");
302 MODULE_ALIAS("platform:pxa2xx-ac97"); 290 MODULE_ALIAS("platform:pxa2xx-ac97");
303 291
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