1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * linux/sound/pxa2xx-ac97.c -- AC97 support f 3 * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
4 * 4 *
5 * Author: Nicolas Pitre 5 * Author: Nicolas Pitre
6 * Created: Dec 02, 2004 6 * Created: Dec 02, 2004
7 * Copyright: MontaVista Software Inc. 7 * Copyright: MontaVista Software Inc.
8 */ 8 */
9 9
10 #include <linux/init.h> 10 #include <linux/init.h>
11 #include <linux/io.h> 11 #include <linux/io.h>
12 #include <linux/module.h> 12 #include <linux/module.h>
13 #include <linux/platform_device.h> 13 #include <linux/platform_device.h>
14 #include <linux/dmaengine.h> 14 #include <linux/dmaengine.h>
15 #include <linux/dma/pxa-dma.h> 15 #include <linux/dma/pxa-dma.h>
16 16
17 #include <sound/ac97/controller.h> 17 #include <sound/ac97/controller.h>
18 #include <sound/core.h> 18 #include <sound/core.h>
19 #include <sound/ac97_codec.h> 19 #include <sound/ac97_codec.h>
20 #include <sound/soc.h> 20 #include <sound/soc.h>
21 #include <sound/pxa2xx-lib.h> 21 #include <sound/pxa2xx-lib.h>
22 #include <sound/dmaengine_pcm.h> 22 #include <sound/dmaengine_pcm.h>
23 23
24 #include <linux/platform_data/asoc-pxa.h> 24 #include <linux/platform_data/asoc-pxa.h>
25 25
26 #define PCDR 0x0040 /* PCM FIFO Data Regis 26 #define PCDR 0x0040 /* PCM FIFO Data Register */
27 #define MODR 0x0140 /* Modem FIFO Data Reg 27 #define MODR 0x0140 /* Modem FIFO Data Register */
28 #define MCDR 0x0060 /* Mic-in FIFO Data Re 28 #define MCDR 0x0060 /* Mic-in FIFO Data Register */
29 29
30 static void pxa2xx_ac97_warm_reset(struct ac97 30 static void pxa2xx_ac97_warm_reset(struct ac97_controller *adrv)
31 { 31 {
32 pxa2xx_ac97_try_warm_reset(); 32 pxa2xx_ac97_try_warm_reset();
33 33
34 pxa2xx_ac97_finish_reset(); 34 pxa2xx_ac97_finish_reset();
35 } 35 }
36 36
37 static void pxa2xx_ac97_cold_reset(struct ac97 37 static void pxa2xx_ac97_cold_reset(struct ac97_controller *adrv)
38 { 38 {
39 pxa2xx_ac97_try_cold_reset(); 39 pxa2xx_ac97_try_cold_reset();
40 40
41 pxa2xx_ac97_finish_reset(); 41 pxa2xx_ac97_finish_reset();
42 } 42 }
43 43
44 static int pxa2xx_ac97_read_actrl(struct ac97_ 44 static int pxa2xx_ac97_read_actrl(struct ac97_controller *adrv, int slot,
45 unsigned sho 45 unsigned short reg)
46 { 46 {
47 return pxa2xx_ac97_read(slot, reg); 47 return pxa2xx_ac97_read(slot, reg);
48 } 48 }
49 49
50 static int pxa2xx_ac97_write_actrl(struct ac97 50 static int pxa2xx_ac97_write_actrl(struct ac97_controller *adrv, int slot,
51 unsigned sh 51 unsigned short reg, unsigned short val)
52 { 52 {
53 return pxa2xx_ac97_write(slot, reg, va 53 return pxa2xx_ac97_write(slot, reg, val);
54 } 54 }
55 55
56 static struct ac97_controller_ops pxa2xx_ac97_ 56 static struct ac97_controller_ops pxa2xx_ac97_ops = {
57 .read = pxa2xx_ac97_read_actrl, 57 .read = pxa2xx_ac97_read_actrl,
58 .write = pxa2xx_ac97_write_actrl, 58 .write = pxa2xx_ac97_write_actrl,
59 .warm_reset = pxa2xx_ac97_warm_res 59 .warm_reset = pxa2xx_ac97_warm_reset,
60 .reset = pxa2xx_ac97_cold_reset, 60 .reset = pxa2xx_ac97_cold_reset,
61 }; 61 };
62 62
63 static struct snd_dmaengine_dai_dma_data pxa2x 63 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
64 .addr_width = DMA_SLAVE_BUSWIDTH_4 64 .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
65 .chan_name = "pcm_pcm_stereo_in", 65 .chan_name = "pcm_pcm_stereo_in",
66 .maxburst = 32, 66 .maxburst = 32,
67 }; 67 };
68 68
69 static struct snd_dmaengine_dai_dma_data pxa2x 69 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
70 .addr_width = DMA_SLAVE_BUSWIDTH_4 70 .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
71 .chan_name = "pcm_pcm_stereo_out" 71 .chan_name = "pcm_pcm_stereo_out",
72 .maxburst = 32, 72 .maxburst = 32,
73 }; 73 };
74 74
75 static struct snd_dmaengine_dai_dma_data pxa2x 75 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = {
76 .addr_width = DMA_SLAVE_BUSWIDTH_2 76 .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
77 .chan_name = "pcm_aux_mono_out", 77 .chan_name = "pcm_aux_mono_out",
78 .maxburst = 16, 78 .maxburst = 16,
79 }; 79 };
80 80
81 static struct snd_dmaengine_dai_dma_data pxa2x 81 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = {
82 .addr_width = DMA_SLAVE_BUSWIDTH_2 82 .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
83 .chan_name = "pcm_aux_mono_in", 83 .chan_name = "pcm_aux_mono_in",
84 .maxburst = 16, 84 .maxburst = 16,
85 }; 85 };
86 86
87 static struct snd_dmaengine_dai_dma_data pxa2x 87 static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
88 .addr_width = DMA_SLAVE_BUSWIDTH_2 88 .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
89 .chan_name = "pcm_aux_mic_mono", 89 .chan_name = "pcm_aux_mic_mono",
90 .maxburst = 16, 90 .maxburst = 16,
91 }; 91 };
92 92
93 static int pxa2xx_ac97_hifi_startup(struct snd 93 static int pxa2xx_ac97_hifi_startup(struct snd_pcm_substream *substream,
94 struct snd 94 struct snd_soc_dai *cpu_dai)
95 { 95 {
96 struct snd_dmaengine_dai_dma_data *dma 96 struct snd_dmaengine_dai_dma_data *dma_data;
97 97
98 if (substream->stream == SNDRV_PCM_STR 98 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
99 dma_data = &pxa2xx_ac97_pcm_st 99 dma_data = &pxa2xx_ac97_pcm_stereo_out;
100 else 100 else
101 dma_data = &pxa2xx_ac97_pcm_st 101 dma_data = &pxa2xx_ac97_pcm_stereo_in;
102 102
103 snd_soc_dai_set_dma_data(cpu_dai, subs 103 snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
104 104
105 return 0; 105 return 0;
106 } 106 }
107 107
108 static int pxa2xx_ac97_aux_startup(struct snd_ 108 static int pxa2xx_ac97_aux_startup(struct snd_pcm_substream *substream,
109 struct snd_ 109 struct snd_soc_dai *cpu_dai)
110 { 110 {
111 struct snd_dmaengine_dai_dma_data *dma 111 struct snd_dmaengine_dai_dma_data *dma_data;
112 112
113 if (substream->stream == SNDRV_PCM_STR 113 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
114 dma_data = &pxa2xx_ac97_pcm_au 114 dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
115 else 115 else
116 dma_data = &pxa2xx_ac97_pcm_au 116 dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
117 117
118 snd_soc_dai_set_dma_data(cpu_dai, subs 118 snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
119 119
120 return 0; 120 return 0;
121 } 121 }
122 122
123 static int pxa2xx_ac97_mic_startup(struct snd_ 123 static int pxa2xx_ac97_mic_startup(struct snd_pcm_substream *substream,
124 struct snd_ 124 struct snd_soc_dai *cpu_dai)
125 { 125 {
126 if (substream->stream == SNDRV_PCM_STR 126 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
127 return -ENODEV; 127 return -ENODEV;
128 snd_soc_dai_set_dma_data(cpu_dai, subs 128 snd_soc_dai_set_dma_data(cpu_dai, substream,
129 &pxa2xx_ac97_ 129 &pxa2xx_ac97_pcm_mic_mono_in);
130 130
131 return 0; 131 return 0;
132 } 132 }
133 133
134 #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 134 #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
135 SNDRV_PCM_RATE_16000 | SNDRV_P 135 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
136 SNDRV_PCM_RATE_48000) 136 SNDRV_PCM_RATE_48000)
137 137
138 static const struct snd_soc_dai_ops pxa_ac97_h 138 static const struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = {
139 .startup = pxa2xx_ac97_hifi_sta 139 .startup = pxa2xx_ac97_hifi_startup,
140 }; 140 };
141 141
142 static const struct snd_soc_dai_ops pxa_ac97_a 142 static const struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = {
143 .startup = pxa2xx_ac97_aux_star 143 .startup = pxa2xx_ac97_aux_startup,
144 }; 144 };
145 145
146 static const struct snd_soc_dai_ops pxa_ac97_m 146 static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
147 .startup = pxa2xx_ac97_mic_star 147 .startup = pxa2xx_ac97_mic_startup,
148 }; 148 };
149 149
150 /* 150 /*
151 * There is only 1 physical AC97 interface for 151 * There is only 1 physical AC97 interface for pxa2xx, but it
152 * has extra fifo's that can be used for aux D 152 * has extra fifo's that can be used for aux DACs and ADCs.
153 */ 153 */
154 static struct snd_soc_dai_driver pxa_ac97_dai_ 154 static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
155 { 155 {
156 .name = "pxa2xx-ac97", 156 .name = "pxa2xx-ac97",
157 .playback = { 157 .playback = {
158 .stream_name = "AC97 Playback" 158 .stream_name = "AC97 Playback",
159 .channels_min = 2, 159 .channels_min = 2,
160 .channels_max = 2, 160 .channels_max = 2,
161 .rates = PXA2XX_AC97_RATES, 161 .rates = PXA2XX_AC97_RATES,
162 .formats = SNDRV_PCM_FMTBIT_S1 162 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
163 .capture = { 163 .capture = {
164 .stream_name = "AC97 Capture", 164 .stream_name = "AC97 Capture",
165 .channels_min = 2, 165 .channels_min = 2,
166 .channels_max = 2, 166 .channels_max = 2,
167 .rates = PXA2XX_AC97_RATES, 167 .rates = PXA2XX_AC97_RATES,
168 .formats = SNDRV_PCM_FMTBIT_S1 168 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
169 .ops = &pxa_ac97_hifi_dai_ops, 169 .ops = &pxa_ac97_hifi_dai_ops,
170 }, 170 },
171 { 171 {
172 .name = "pxa2xx-ac97-aux", 172 .name = "pxa2xx-ac97-aux",
173 .playback = { 173 .playback = {
174 .stream_name = "AC97 Aux Playb 174 .stream_name = "AC97 Aux Playback",
175 .channels_min = 1, 175 .channels_min = 1,
176 .channels_max = 1, 176 .channels_max = 1,
177 .rates = PXA2XX_AC97_RATES, 177 .rates = PXA2XX_AC97_RATES,
178 .formats = SNDRV_PCM_FMTBIT_S1 178 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
179 .capture = { 179 .capture = {
180 .stream_name = "AC97 Aux Captu 180 .stream_name = "AC97 Aux Capture",
181 .channels_min = 1, 181 .channels_min = 1,
182 .channels_max = 1, 182 .channels_max = 1,
183 .rates = PXA2XX_AC97_RATES, 183 .rates = PXA2XX_AC97_RATES,
184 .formats = SNDRV_PCM_FMTBIT_S1 184 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
185 .ops = &pxa_ac97_aux_dai_ops, 185 .ops = &pxa_ac97_aux_dai_ops,
186 }, 186 },
187 { 187 {
188 .name = "pxa2xx-ac97-mic", 188 .name = "pxa2xx-ac97-mic",
189 .capture = { 189 .capture = {
190 .stream_name = "AC97 Mic Captu 190 .stream_name = "AC97 Mic Capture",
191 .channels_min = 1, 191 .channels_min = 1,
192 .channels_max = 1, 192 .channels_max = 1,
193 .rates = PXA2XX_AC97_RATES, 193 .rates = PXA2XX_AC97_RATES,
194 .formats = SNDRV_PCM_FMTBIT_S1 194 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
195 .ops = &pxa_ac97_mic_dai_ops, 195 .ops = &pxa_ac97_mic_dai_ops,
196 }, 196 },
197 }; 197 };
198 198
199 static const struct snd_soc_component_driver p 199 static const struct snd_soc_component_driver pxa_ac97_component = {
200 .name = "pxa-ac97", 200 .name = "pxa-ac97",
201 .pcm_construct = pxa2xx_soc_pcm_new, 201 .pcm_construct = pxa2xx_soc_pcm_new,
202 .open = pxa2xx_soc_pcm_open, 202 .open = pxa2xx_soc_pcm_open,
203 .close = pxa2xx_soc_pcm_close 203 .close = pxa2xx_soc_pcm_close,
204 .hw_params = pxa2xx_soc_pcm_hw_pa 204 .hw_params = pxa2xx_soc_pcm_hw_params,
205 .prepare = pxa2xx_soc_pcm_prepa 205 .prepare = pxa2xx_soc_pcm_prepare,
206 .trigger = pxa2xx_soc_pcm_trigg 206 .trigger = pxa2xx_soc_pcm_trigger,
207 .pointer = pxa2xx_soc_pcm_point 207 .pointer = pxa2xx_soc_pcm_pointer,
208 }; 208 };
209 209
210 #ifdef CONFIG_OF 210 #ifdef CONFIG_OF
211 static const struct of_device_id pxa2xx_ac97_d 211 static const struct of_device_id pxa2xx_ac97_dt_ids[] = {
212 { .compatible = "marvell,pxa250-ac97", 212 { .compatible = "marvell,pxa250-ac97", },
213 { .compatible = "marvell,pxa270-ac97", 213 { .compatible = "marvell,pxa270-ac97", },
214 { .compatible = "marvell,pxa300-ac97", 214 { .compatible = "marvell,pxa300-ac97", },
215 { } 215 { }
216 }; 216 };
217 MODULE_DEVICE_TABLE(of, pxa2xx_ac97_dt_ids); 217 MODULE_DEVICE_TABLE(of, pxa2xx_ac97_dt_ids);
218 218
219 #endif 219 #endif
220 220
221 static int pxa2xx_ac97_dev_probe(struct platfo 221 static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
222 { 222 {
223 int ret; 223 int ret;
224 struct ac97_controller *ctrl; 224 struct ac97_controller *ctrl;
225 pxa2xx_audio_ops_t *pdata = pdev->dev. 225 pxa2xx_audio_ops_t *pdata = pdev->dev.platform_data;
226 struct resource *regs; 226 struct resource *regs;
227 void **codecs_pdata; 227 void **codecs_pdata;
228 228
229 if (pdev->id != -1) { 229 if (pdev->id != -1) {
230 dev_err(&pdev->dev, "PXA2xx ha 230 dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
231 return -ENXIO; 231 return -ENXIO;
232 } 232 }
233 233
234 regs = platform_get_resource(pdev, IOR 234 regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
235 if (!regs) 235 if (!regs)
236 return -ENXIO; 236 return -ENXIO;
237 237
238 pxa2xx_ac97_pcm_stereo_in.addr = regs- 238 pxa2xx_ac97_pcm_stereo_in.addr = regs->start + PCDR;
239 pxa2xx_ac97_pcm_stereo_out.addr = regs 239 pxa2xx_ac97_pcm_stereo_out.addr = regs->start + PCDR;
240 pxa2xx_ac97_pcm_aux_mono_out.addr = re 240 pxa2xx_ac97_pcm_aux_mono_out.addr = regs->start + MODR;
241 pxa2xx_ac97_pcm_aux_mono_in.addr = reg 241 pxa2xx_ac97_pcm_aux_mono_in.addr = regs->start + MODR;
242 pxa2xx_ac97_pcm_mic_mono_in.addr = reg 242 pxa2xx_ac97_pcm_mic_mono_in.addr = regs->start + MCDR;
243 243
244 ret = pxa2xx_ac97_hw_probe(pdev); 244 ret = pxa2xx_ac97_hw_probe(pdev);
245 if (ret) { 245 if (ret) {
246 dev_err(&pdev->dev, "PXA2xx AC 246 dev_err(&pdev->dev, "PXA2xx AC97 hw probe error (%d)\n", ret);
247 return ret; 247 return ret;
248 } 248 }
249 249
250 codecs_pdata = pdata ? pdata->codec_pd 250 codecs_pdata = pdata ? pdata->codec_pdata : NULL;
251 ctrl = snd_ac97_controller_register(&p 251 ctrl = snd_ac97_controller_register(&pxa2xx_ac97_ops, &pdev->dev,
252 AC 252 AC97_SLOTS_AVAILABLE_ALL,
253 co 253 codecs_pdata);
254 if (IS_ERR(ctrl)) 254 if (IS_ERR(ctrl))
255 return PTR_ERR(ctrl); 255 return PTR_ERR(ctrl);
256 256
257 platform_set_drvdata(pdev, ctrl); 257 platform_set_drvdata(pdev, ctrl);
258 /* Punt most of the init to the SoC pr 258 /* Punt most of the init to the SoC probe; we may need the machine
259 * driver to do interesting things wit 259 * driver to do interesting things with the clocking to get us up
260 * and running. 260 * and running.
261 */ 261 */
262 return devm_snd_soc_register_component 262 return devm_snd_soc_register_component(&pdev->dev, &pxa_ac97_component,
263 pxa_ 263 pxa_ac97_dai_driver, ARRAY_SIZE(pxa_ac97_dai_driver));
264 } 264 }
265 265
266 static void pxa2xx_ac97_dev_remove(struct plat 266 static void pxa2xx_ac97_dev_remove(struct platform_device *pdev)
267 { 267 {
268 struct ac97_controller *ctrl = platfor 268 struct ac97_controller *ctrl = platform_get_drvdata(pdev);
269 269
270 snd_ac97_controller_unregister(ctrl); 270 snd_ac97_controller_unregister(ctrl);
271 pxa2xx_ac97_hw_remove(pdev); 271 pxa2xx_ac97_hw_remove(pdev);
272 } 272 }
273 273
274 static int pxa2xx_ac97_dev_suspend(struct devi 274 static int pxa2xx_ac97_dev_suspend(struct device *dev)
275 { 275 {
276 return pxa2xx_ac97_hw_suspend(); 276 return pxa2xx_ac97_hw_suspend();
277 } 277 }
278 278
279 static int pxa2xx_ac97_dev_resume(struct devic 279 static int pxa2xx_ac97_dev_resume(struct device *dev)
280 { 280 {
281 return pxa2xx_ac97_hw_resume(); 281 return pxa2xx_ac97_hw_resume();
282 } 282 }
283 283
284 static DEFINE_SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm 284 static DEFINE_SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops,
285 pxa2xx_ac97_dev_suspend, pxa2x 285 pxa2xx_ac97_dev_suspend, pxa2xx_ac97_dev_resume);
286 286
287 static struct platform_driver pxa2xx_ac97_driv 287 static struct platform_driver pxa2xx_ac97_driver = {
288 .probe = pxa2xx_ac97_dev_prob 288 .probe = pxa2xx_ac97_dev_probe,
289 .remove = pxa2xx_ac97_dev_remo 289 .remove = pxa2xx_ac97_dev_remove,
290 .driver = { 290 .driver = {
291 .name = "pxa2xx-ac97", 291 .name = "pxa2xx-ac97",
292 .pm = &pxa2xx_ac97_pm_ops, 292 .pm = &pxa2xx_ac97_pm_ops,
293 .of_match_table = of_match_ptr 293 .of_match_table = of_match_ptr(pxa2xx_ac97_dt_ids),
294 }, 294 },
295 }; 295 };
296 296
297 module_platform_driver(pxa2xx_ac97_driver); 297 module_platform_driver(pxa2xx_ac97_driver);
298 298
299 MODULE_AUTHOR("Nicolas Pitre"); 299 MODULE_AUTHOR("Nicolas Pitre");
300 MODULE_DESCRIPTION("AC97 driver for the Intel 300 MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
301 MODULE_LICENSE("GPL"); 301 MODULE_LICENSE("GPL");
302 MODULE_ALIAS("platform:pxa2xx-ac97"); 302 MODULE_ALIAS("platform:pxa2xx-ac97");
303 303
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