1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
275b41027SLiam Girdwood /*
375b41027SLiam Girdwood * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
475b41027SLiam Girdwood *
575b41027SLiam Girdwood * Author: Nicolas Pitre
675b41027SLiam Girdwood * Created: Dec 02, 2004
775b41027SLiam Girdwood * Copyright: MontaVista Software Inc.
875b41027SLiam Girdwood */
975b41027SLiam Girdwood
1075b41027SLiam Girdwood #include <linux/init.h>
1123019a73SRob Herring #include <linux/io.h>
1275b41027SLiam Girdwood #include <linux/module.h>
1375b41027SLiam Girdwood #include <linux/platform_device.h>
14d65a1458SDaniel Mack #include <linux/dmaengine.h>
1558ceb57eSDaniel Mack #include <linux/dma/pxa-dma.h>
1675b41027SLiam Girdwood
171c8bc7b3SRobert Jarzmik #include <sound/ac97/controller.h>
1875b41027SLiam Girdwood #include <sound/core.h>
1975b41027SLiam Girdwood #include <sound/ac97_codec.h>
2075b41027SLiam Girdwood #include <sound/soc.h>
219c636342SDmitry Baryshkov #include <sound/pxa2xx-lib.h>
22d65a1458SDaniel Mack #include <sound/dmaengine_pcm.h>
2375b41027SLiam Girdwood
2422f08665SArnd Bergmann #include <linux/platform_data/asoc-pxa.h>
2575b41027SLiam Girdwood
264d2dba6bSArnd Bergmann #define PCDR 0x0040 /* PCM FIFO Data Register */
274d2dba6bSArnd Bergmann #define MODR 0x0140 /* Modem FIFO Data Register */
284d2dba6bSArnd Bergmann #define MCDR 0x0060 /* Mic-in FIFO Data Register */
294d2dba6bSArnd Bergmann
pxa2xx_ac97_warm_reset(struct ac97_controller * adrv)301c8bc7b3SRobert Jarzmik static void pxa2xx_ac97_warm_reset(struct ac97_controller *adrv)
3175b41027SLiam Girdwood {
326f8acad6SRobert Jarzmik pxa2xx_ac97_try_warm_reset();
3375b41027SLiam Girdwood
346f8acad6SRobert Jarzmik pxa2xx_ac97_finish_reset();
3575b41027SLiam Girdwood }
3675b41027SLiam Girdwood
pxa2xx_ac97_cold_reset(struct ac97_controller * adrv)371c8bc7b3SRobert Jarzmik static void pxa2xx_ac97_cold_reset(struct ac97_controller *adrv)
3875b41027SLiam Girdwood {
396f8acad6SRobert Jarzmik pxa2xx_ac97_try_cold_reset();
407a22323bSMark Brown
416f8acad6SRobert Jarzmik pxa2xx_ac97_finish_reset();
426f8acad6SRobert Jarzmik }
436f8acad6SRobert Jarzmik
pxa2xx_ac97_read_actrl(struct ac97_controller * adrv,int slot,unsigned short reg)441c8bc7b3SRobert Jarzmik static int pxa2xx_ac97_read_actrl(struct ac97_controller *adrv, int slot,
456f8acad6SRobert Jarzmik unsigned short reg)
466f8acad6SRobert Jarzmik {
471c8bc7b3SRobert Jarzmik return pxa2xx_ac97_read(slot, reg);
486f8acad6SRobert Jarzmik }
496f8acad6SRobert Jarzmik
pxa2xx_ac97_write_actrl(struct ac97_controller * adrv,int slot,unsigned short reg,unsigned short val)501c8bc7b3SRobert Jarzmik static int pxa2xx_ac97_write_actrl(struct ac97_controller *adrv, int slot,
516f8acad6SRobert Jarzmik unsigned short reg, unsigned short val)
526f8acad6SRobert Jarzmik {
531c8bc7b3SRobert Jarzmik return pxa2xx_ac97_write(slot, reg, val);
5475b41027SLiam Girdwood }
5575b41027SLiam Girdwood
561c8bc7b3SRobert Jarzmik static struct ac97_controller_ops pxa2xx_ac97_ops = {
571c8bc7b3SRobert Jarzmik .read = pxa2xx_ac97_read_actrl,
581c8bc7b3SRobert Jarzmik .write = pxa2xx_ac97_write_actrl,
5975b41027SLiam Girdwood .warm_reset = pxa2xx_ac97_warm_reset,
6075b41027SLiam Girdwood .reset = pxa2xx_ac97_cold_reset,
6175b41027SLiam Girdwood };
6275b41027SLiam Girdwood
63d65a1458SDaniel Mack static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
64d65a1458SDaniel Mack .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
658f54061dSRobert Jarzmik .chan_name = "pcm_pcm_stereo_in",
66d65a1458SDaniel Mack .maxburst = 32,
6758ceb57eSDaniel Mack };
6858ceb57eSDaniel Mack
69d65a1458SDaniel Mack static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
70d65a1458SDaniel Mack .addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
718f54061dSRobert Jarzmik .chan_name = "pcm_pcm_stereo_out",
72d65a1458SDaniel Mack .maxburst = 32,
7375b41027SLiam Girdwood };
7475b41027SLiam Girdwood
75d65a1458SDaniel Mack static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_out = {
76d65a1458SDaniel Mack .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
778f54061dSRobert Jarzmik .chan_name = "pcm_aux_mono_out",
78d65a1458SDaniel Mack .maxburst = 16,
7975b41027SLiam Girdwood };
8075b41027SLiam Girdwood
81d65a1458SDaniel Mack static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_aux_mono_in = {
82d65a1458SDaniel Mack .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
838f54061dSRobert Jarzmik .chan_name = "pcm_aux_mono_in",
84d65a1458SDaniel Mack .maxburst = 16,
8575b41027SLiam Girdwood };
8675b41027SLiam Girdwood
87d65a1458SDaniel Mack static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_mic_mono_in = {
88d65a1458SDaniel Mack .addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
898f54061dSRobert Jarzmik .chan_name = "pcm_aux_mic_mono",
90d65a1458SDaniel Mack .maxburst = 16,
9175b41027SLiam Girdwood };
9275b41027SLiam Girdwood
pxa2xx_ac97_hifi_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * cpu_dai)9358ceb57eSDaniel Mack static int pxa2xx_ac97_hifi_startup(struct snd_pcm_substream *substream,
94f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai)
9575b41027SLiam Girdwood {
96d65a1458SDaniel Mack struct snd_dmaengine_dai_dma_data *dma_data;
9775b41027SLiam Girdwood
9875b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
995f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_stereo_out;
10075b41027SLiam Girdwood else
1015f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_stereo_in;
1025f712b2bSDaniel Mack
1035f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
10475b41027SLiam Girdwood
10575b41027SLiam Girdwood return 0;
10675b41027SLiam Girdwood }
10775b41027SLiam Girdwood
pxa2xx_ac97_aux_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * cpu_dai)10858ceb57eSDaniel Mack static int pxa2xx_ac97_aux_startup(struct snd_pcm_substream *substream,
109f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai)
11075b41027SLiam Girdwood {
111d65a1458SDaniel Mack struct snd_dmaengine_dai_dma_data *dma_data;
11275b41027SLiam Girdwood
11375b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1145f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
11575b41027SLiam Girdwood else
1165f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
1175f712b2bSDaniel Mack
1185f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
11975b41027SLiam Girdwood
12075b41027SLiam Girdwood return 0;
12175b41027SLiam Girdwood }
12275b41027SLiam Girdwood
pxa2xx_ac97_mic_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * cpu_dai)12358ceb57eSDaniel Mack static int pxa2xx_ac97_mic_startup(struct snd_pcm_substream *substream,
124f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai)
12575b41027SLiam Girdwood {
12675b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
12775b41027SLiam Girdwood return -ENODEV;
1285f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream,
1295f712b2bSDaniel Mack &pxa2xx_ac97_pcm_mic_mono_in);
13075b41027SLiam Girdwood
13175b41027SLiam Girdwood return 0;
13275b41027SLiam Girdwood }
13375b41027SLiam Girdwood
134596ce32bSLiam Girdwood #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
135596ce32bSLiam Girdwood SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
136596ce32bSLiam Girdwood SNDRV_PCM_RATE_48000)
137596ce32bSLiam Girdwood
13885e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = {
13958ceb57eSDaniel Mack .startup = pxa2xx_ac97_hifi_startup,
1406335d055SEric Miao };
1416335d055SEric Miao
14285e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = {
14358ceb57eSDaniel Mack .startup = pxa2xx_ac97_aux_startup,
144852fd9e5SMark Brown };
145852fd9e5SMark Brown
14685e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = {
14758ceb57eSDaniel Mack .startup = pxa2xx_ac97_mic_startup,
148852fd9e5SMark Brown };
149852fd9e5SMark Brown
15075b41027SLiam Girdwood /*
15175b41027SLiam Girdwood * There is only 1 physical AC97 interface for pxa2xx, but it
15275b41027SLiam Girdwood * has extra fifo's that can be used for aux DACs and ADCs.
15375b41027SLiam Girdwood */
154a3874196SAxel Lin static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = {
15575b41027SLiam Girdwood {
15675b41027SLiam Girdwood .name = "pxa2xx-ac97",
15775b41027SLiam Girdwood .playback = {
15875b41027SLiam Girdwood .stream_name = "AC97 Playback",
15975b41027SLiam Girdwood .channels_min = 2,
160596ce32bSLiam Girdwood .channels_max = 2,
161596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES,
162596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,},
16375b41027SLiam Girdwood .capture = {
16475b41027SLiam Girdwood .stream_name = "AC97 Capture",
16575b41027SLiam Girdwood .channels_min = 2,
166596ce32bSLiam Girdwood .channels_max = 2,
167596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES,
168596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,},
169852fd9e5SMark Brown .ops = &pxa_ac97_hifi_dai_ops,
17075b41027SLiam Girdwood },
17175b41027SLiam Girdwood {
17275b41027SLiam Girdwood .name = "pxa2xx-ac97-aux",
17375b41027SLiam Girdwood .playback = {
17475b41027SLiam Girdwood .stream_name = "AC97 Aux Playback",
17575b41027SLiam Girdwood .channels_min = 1,
176596ce32bSLiam Girdwood .channels_max = 1,
177596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES,
178596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,},
17975b41027SLiam Girdwood .capture = {
18075b41027SLiam Girdwood .stream_name = "AC97 Aux Capture",
18175b41027SLiam Girdwood .channels_min = 1,
182596ce32bSLiam Girdwood .channels_max = 1,
183596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES,
184596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,},
185852fd9e5SMark Brown .ops = &pxa_ac97_aux_dai_ops,
18675b41027SLiam Girdwood },
18775b41027SLiam Girdwood {
18875b41027SLiam Girdwood .name = "pxa2xx-ac97-mic",
18975b41027SLiam Girdwood .capture = {
19075b41027SLiam Girdwood .stream_name = "AC97 Mic Capture",
19175b41027SLiam Girdwood .channels_min = 1,
192596ce32bSLiam Girdwood .channels_max = 1,
193596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES,
194596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,},
195852fd9e5SMark Brown .ops = &pxa_ac97_mic_dai_ops,
196596ce32bSLiam Girdwood },
19775b41027SLiam Girdwood };
19875b41027SLiam Girdwood
199ad53232cSKuninori Morimoto static const struct snd_soc_component_driver pxa_ac97_component = {
200ad53232cSKuninori Morimoto .name = "pxa-ac97",
201f8772e17SKuninori Morimoto .pcm_construct = pxa2xx_soc_pcm_new,
202f8772e17SKuninori Morimoto .open = pxa2xx_soc_pcm_open,
203f8772e17SKuninori Morimoto .close = pxa2xx_soc_pcm_close,
204f8772e17SKuninori Morimoto .hw_params = pxa2xx_soc_pcm_hw_params,
205f8772e17SKuninori Morimoto .prepare = pxa2xx_soc_pcm_prepare,
206f8772e17SKuninori Morimoto .trigger = pxa2xx_soc_pcm_trigger,
207f8772e17SKuninori Morimoto .pointer = pxa2xx_soc_pcm_pointer,
208ad53232cSKuninori Morimoto };
209ad53232cSKuninori Morimoto
210a4519526SRobert Jarzmik #ifdef CONFIG_OF
211a4519526SRobert Jarzmik static const struct of_device_id pxa2xx_ac97_dt_ids[] = {
212a4519526SRobert Jarzmik { .compatible = "marvell,pxa250-ac97", },
213a4519526SRobert Jarzmik { .compatible = "marvell,pxa270-ac97", },
214a4519526SRobert Jarzmik { .compatible = "marvell,pxa300-ac97", },
215a4519526SRobert Jarzmik { }
216a4519526SRobert Jarzmik };
217a4519526SRobert Jarzmik MODULE_DEVICE_TABLE(of, pxa2xx_ac97_dt_ids);
218a4519526SRobert Jarzmik
219a4519526SRobert Jarzmik #endif
220a4519526SRobert Jarzmik
pxa2xx_ac97_dev_probe(struct platform_device * pdev)221570f6fe1SBill Pemberton static int pxa2xx_ac97_dev_probe(struct platform_device *pdev)
2226b849bcfSMark Brown {
2237685e016SKevin Hilman int ret;
2241c8bc7b3SRobert Jarzmik struct ac97_controller *ctrl;
2251c8bc7b3SRobert Jarzmik pxa2xx_audio_ops_t *pdata = pdev->dev.platform_data;
2264d2dba6bSArnd Bergmann struct resource *regs;
2271c8bc7b3SRobert Jarzmik void **codecs_pdata;
2287685e016SKevin Hilman
229f0fba2adSLiam Girdwood if (pdev->id != -1) {
2304ac0478fSMarek Vasut dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n");
2314ac0478fSMarek Vasut return -ENXIO;
2324ac0478fSMarek Vasut }
2334ac0478fSMarek Vasut
2344d2dba6bSArnd Bergmann regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2354d2dba6bSArnd Bergmann if (!regs)
2364d2dba6bSArnd Bergmann return -ENXIO;
2374d2dba6bSArnd Bergmann
2384d2dba6bSArnd Bergmann pxa2xx_ac97_pcm_stereo_in.addr = regs->start + PCDR;
2394d2dba6bSArnd Bergmann pxa2xx_ac97_pcm_stereo_out.addr = regs->start + PCDR;
2404d2dba6bSArnd Bergmann pxa2xx_ac97_pcm_aux_mono_out.addr = regs->start + MODR;
2414d2dba6bSArnd Bergmann pxa2xx_ac97_pcm_aux_mono_in.addr = regs->start + MODR;
2424d2dba6bSArnd Bergmann pxa2xx_ac97_pcm_mic_mono_in.addr = regs->start + MCDR;
2434d2dba6bSArnd Bergmann
244f62aa9b6SDmitry Eremin-Solenikov ret = pxa2xx_ac97_hw_probe(pdev);
245f62aa9b6SDmitry Eremin-Solenikov if (ret) {
246f62aa9b6SDmitry Eremin-Solenikov dev_err(&pdev->dev, "PXA2xx AC97 hw probe error (%d)\n", ret);
247f62aa9b6SDmitry Eremin-Solenikov return ret;
248f62aa9b6SDmitry Eremin-Solenikov }
249f62aa9b6SDmitry Eremin-Solenikov
2501c8bc7b3SRobert Jarzmik codecs_pdata = pdata ? pdata->codec_pdata : NULL;
2511c8bc7b3SRobert Jarzmik ctrl = snd_ac97_controller_register(&pxa2xx_ac97_ops, &pdev->dev,
2521c8bc7b3SRobert Jarzmik AC97_SLOTS_AVAILABLE_ALL,
2531c8bc7b3SRobert Jarzmik codecs_pdata);
2541c8bc7b3SRobert Jarzmik if (IS_ERR(ctrl))
2551c8bc7b3SRobert Jarzmik return PTR_ERR(ctrl);
256b047e1ccSMark Brown
2571c8bc7b3SRobert Jarzmik platform_set_drvdata(pdev, ctrl);
2586b849bcfSMark Brown /* Punt most of the init to the SoC probe; we may need the machine
2596b849bcfSMark Brown * driver to do interesting things with the clocking to get us up
2606b849bcfSMark Brown * and running.
2616b849bcfSMark Brown */
2624b9b73b8SKuninori Morimoto return devm_snd_soc_register_component(&pdev->dev, &pxa_ac97_component,
263ad53232cSKuninori Morimoto pxa_ac97_dai_driver, ARRAY_SIZE(pxa_ac97_dai_driver));
2646b849bcfSMark Brown }
2656b849bcfSMark Brown
pxa2xx_ac97_dev_remove(struct platform_device * pdev)266*acb6a698SUwe Kleine-König static void pxa2xx_ac97_dev_remove(struct platform_device *pdev)
2676b849bcfSMark Brown {
2681c8bc7b3SRobert Jarzmik struct ac97_controller *ctrl = platform_get_drvdata(pdev);
2691c8bc7b3SRobert Jarzmik
2701c8bc7b3SRobert Jarzmik snd_ac97_controller_unregister(ctrl);
271f62aa9b6SDmitry Eremin-Solenikov pxa2xx_ac97_hw_remove(pdev);
2726b849bcfSMark Brown }
2736b849bcfSMark Brown
274f62aa9b6SDmitry Eremin-Solenikov #ifdef CONFIG_PM_SLEEP
pxa2xx_ac97_dev_suspend(struct device * dev)275f62aa9b6SDmitry Eremin-Solenikov static int pxa2xx_ac97_dev_suspend(struct device *dev)
276f62aa9b6SDmitry Eremin-Solenikov {
277f62aa9b6SDmitry Eremin-Solenikov return pxa2xx_ac97_hw_suspend();
278f62aa9b6SDmitry Eremin-Solenikov }
279f62aa9b6SDmitry Eremin-Solenikov
pxa2xx_ac97_dev_resume(struct device * dev)280f62aa9b6SDmitry Eremin-Solenikov static int pxa2xx_ac97_dev_resume(struct device *dev)
281f62aa9b6SDmitry Eremin-Solenikov {
282f62aa9b6SDmitry Eremin-Solenikov return pxa2xx_ac97_hw_resume();
283f62aa9b6SDmitry Eremin-Solenikov }
284f62aa9b6SDmitry Eremin-Solenikov
285f62aa9b6SDmitry Eremin-Solenikov static SIMPLE_DEV_PM_OPS(pxa2xx_ac97_pm_ops,
286f62aa9b6SDmitry Eremin-Solenikov pxa2xx_ac97_dev_suspend, pxa2xx_ac97_dev_resume);
287f62aa9b6SDmitry Eremin-Solenikov #endif
288f62aa9b6SDmitry Eremin-Solenikov
2896b849bcfSMark Brown static struct platform_driver pxa2xx_ac97_driver = {
2906b849bcfSMark Brown .probe = pxa2xx_ac97_dev_probe,
291*acb6a698SUwe Kleine-König .remove_new = pxa2xx_ac97_dev_remove,
2926b849bcfSMark Brown .driver = {
2936b849bcfSMark Brown .name = "pxa2xx-ac97",
294f62aa9b6SDmitry Eremin-Solenikov #ifdef CONFIG_PM_SLEEP
295f62aa9b6SDmitry Eremin-Solenikov .pm = &pxa2xx_ac97_pm_ops,
296f62aa9b6SDmitry Eremin-Solenikov #endif
297a4519526SRobert Jarzmik .of_match_table = of_match_ptr(pxa2xx_ac97_dt_ids),
2986b849bcfSMark Brown },
2996b849bcfSMark Brown };
3006b849bcfSMark Brown
3012f702a19SAxel Lin module_platform_driver(pxa2xx_ac97_driver);
3023f4b783cSMark Brown
30375b41027SLiam Girdwood MODULE_AUTHOR("Nicolas Pitre");
30475b41027SLiam Girdwood MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
30575b41027SLiam Girdwood MODULE_LICENSE("GPL");
306e5b7d71aSAndrea Adami MODULE_ALIAS("platform:pxa2xx-ac97");
307