175b41027SLiam Girdwood /* 275b41027SLiam Girdwood * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip. 375b41027SLiam Girdwood * 475b41027SLiam Girdwood * Author: Nicolas Pitre 575b41027SLiam Girdwood * Created: Dec 02, 2004 675b41027SLiam Girdwood * Copyright: MontaVista Software Inc. 775b41027SLiam Girdwood * 875b41027SLiam Girdwood * This program is free software; you can redistribute it and/or modify 975b41027SLiam Girdwood * it under the terms of the GNU General Public License version 2 as 1075b41027SLiam Girdwood * published by the Free Software Foundation. 1175b41027SLiam Girdwood */ 1275b41027SLiam Girdwood 1375b41027SLiam Girdwood #include <linux/init.h> 1475b41027SLiam Girdwood #include <linux/module.h> 1575b41027SLiam Girdwood #include <linux/platform_device.h> 1675b41027SLiam Girdwood 1775b41027SLiam Girdwood #include <sound/core.h> 1875b41027SLiam Girdwood #include <sound/ac97_codec.h> 1975b41027SLiam Girdwood #include <sound/soc.h> 209c636342SDmitry Baryshkov #include <sound/pxa2xx-lib.h> 2175b41027SLiam Girdwood 22a09e64fbSRussell King #include <mach/hardware.h> 231f017a99SEric Miao #include <mach/regs-ac97.h> 247ebc8d56SEric Miao #include <mach/dma.h> 254ac0478fSMarek Vasut #include <mach/audio.h> 2675b41027SLiam Girdwood 27596ce32bSLiam Girdwood #include "pxa2xx-ac97.h" 2875b41027SLiam Girdwood 2975b41027SLiam Girdwood static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97) 3075b41027SLiam Girdwood { 319c636342SDmitry Baryshkov pxa2xx_ac97_try_warm_reset(ac97); 3275b41027SLiam Girdwood 339c636342SDmitry Baryshkov pxa2xx_ac97_finish_reset(ac97); 3475b41027SLiam Girdwood } 3575b41027SLiam Girdwood 3675b41027SLiam Girdwood static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97) 3775b41027SLiam Girdwood { 389c636342SDmitry Baryshkov pxa2xx_ac97_try_cold_reset(ac97); 397a22323bSMark Brown 409c636342SDmitry Baryshkov pxa2xx_ac97_finish_reset(ac97); 4175b41027SLiam Girdwood } 4275b41027SLiam Girdwood 4375b41027SLiam Girdwood struct snd_ac97_bus_ops soc_ac97_ops = { 4475b41027SLiam Girdwood .read = pxa2xx_ac97_read, 4575b41027SLiam Girdwood .write = pxa2xx_ac97_write, 4675b41027SLiam Girdwood .warm_reset = pxa2xx_ac97_warm_reset, 4775b41027SLiam Girdwood .reset = pxa2xx_ac97_cold_reset, 4875b41027SLiam Girdwood }; 4975b41027SLiam Girdwood 5075b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = { 5175b41027SLiam Girdwood .name = "AC97 PCM Stereo out", 5275b41027SLiam Girdwood .dev_addr = __PREG(PCDR), 5387f3dd77SEric Miao .drcmr = &DRCMR(12), 5475b41027SLiam Girdwood .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | 5575b41027SLiam Girdwood DCMD_BURST32 | DCMD_WIDTH4, 5675b41027SLiam Girdwood }; 5775b41027SLiam Girdwood 5875b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = { 5975b41027SLiam Girdwood .name = "AC97 PCM Stereo in", 6075b41027SLiam Girdwood .dev_addr = __PREG(PCDR), 6187f3dd77SEric Miao .drcmr = &DRCMR(11), 6275b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 6375b41027SLiam Girdwood DCMD_BURST32 | DCMD_WIDTH4, 6475b41027SLiam Girdwood }; 6575b41027SLiam Girdwood 6675b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = { 6775b41027SLiam Girdwood .name = "AC97 Aux PCM (Slot 5) Mono out", 6875b41027SLiam Girdwood .dev_addr = __PREG(MODR), 6987f3dd77SEric Miao .drcmr = &DRCMR(10), 7075b41027SLiam Girdwood .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | 7175b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 7275b41027SLiam Girdwood }; 7375b41027SLiam Girdwood 7475b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = { 7575b41027SLiam Girdwood .name = "AC97 Aux PCM (Slot 5) Mono in", 7675b41027SLiam Girdwood .dev_addr = __PREG(MODR), 7787f3dd77SEric Miao .drcmr = &DRCMR(9), 7875b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 7975b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 8075b41027SLiam Girdwood }; 8175b41027SLiam Girdwood 8275b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = { 8375b41027SLiam Girdwood .name = "AC97 Mic PCM (Slot 6) Mono in", 8475b41027SLiam Girdwood .dev_addr = __PREG(MCDR), 8587f3dd77SEric Miao .drcmr = &DRCMR(8), 8675b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 8775b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 8875b41027SLiam Girdwood }; 8975b41027SLiam Girdwood 9075b41027SLiam Girdwood #ifdef CONFIG_PM 91dc7d7b83SMark Brown static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai) 9275b41027SLiam Girdwood { 939c636342SDmitry Baryshkov return pxa2xx_ac97_hw_suspend(); 9475b41027SLiam Girdwood } 9575b41027SLiam Girdwood 96dc7d7b83SMark Brown static int pxa2xx_ac97_resume(struct snd_soc_dai *dai) 9775b41027SLiam Girdwood { 989c636342SDmitry Baryshkov return pxa2xx_ac97_hw_resume(); 9975b41027SLiam Girdwood } 10075b41027SLiam Girdwood 10175b41027SLiam Girdwood #else 10275b41027SLiam Girdwood #define pxa2xx_ac97_suspend NULL 10375b41027SLiam Girdwood #define pxa2xx_ac97_resume NULL 10475b41027SLiam Girdwood #endif 10575b41027SLiam Girdwood 106a3874196SAxel Lin static int __devinit pxa2xx_ac97_probe(struct snd_soc_dai *dai) 10775b41027SLiam Girdwood { 1086b849bcfSMark Brown return pxa2xx_ac97_hw_probe(to_platform_device(dai->dev)); 10975b41027SLiam Girdwood } 11075b41027SLiam Girdwood 111f0fba2adSLiam Girdwood static int pxa2xx_ac97_remove(struct snd_soc_dai *dai) 11275b41027SLiam Girdwood { 1136b849bcfSMark Brown pxa2xx_ac97_hw_remove(to_platform_device(dai->dev)); 114f0fba2adSLiam Girdwood return 0; 11575b41027SLiam Girdwood } 11675b41027SLiam Girdwood 11775b41027SLiam Girdwood static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream, 118dee89c4dSMark Brown struct snd_pcm_hw_params *params, 119f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai) 12075b41027SLiam Girdwood { 1215f712b2bSDaniel Mack struct pxa2xx_pcm_dma_params *dma_data; 12275b41027SLiam Girdwood 12375b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 1245f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_stereo_out; 12575b41027SLiam Girdwood else 1265f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_stereo_in; 1275f712b2bSDaniel Mack 1285f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); 12975b41027SLiam Girdwood 13075b41027SLiam Girdwood return 0; 13175b41027SLiam Girdwood } 13275b41027SLiam Girdwood 13375b41027SLiam Girdwood static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream, 134dee89c4dSMark Brown struct snd_pcm_hw_params *params, 135f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai) 13675b41027SLiam Girdwood { 1375f712b2bSDaniel Mack struct pxa2xx_pcm_dma_params *dma_data; 13875b41027SLiam Girdwood 13975b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 1405f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_aux_mono_out; 14175b41027SLiam Girdwood else 1425f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_aux_mono_in; 1435f712b2bSDaniel Mack 1445f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); 14575b41027SLiam Girdwood 14675b41027SLiam Girdwood return 0; 14775b41027SLiam Girdwood } 14875b41027SLiam Girdwood 14975b41027SLiam Girdwood static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, 150dee89c4dSMark Brown struct snd_pcm_hw_params *params, 151f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai) 15275b41027SLiam Girdwood { 15375b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 15475b41027SLiam Girdwood return -ENODEV; 15575b41027SLiam Girdwood else 1565f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, 1575f712b2bSDaniel Mack &pxa2xx_ac97_pcm_mic_mono_in); 15875b41027SLiam Girdwood 15975b41027SLiam Girdwood return 0; 16075b41027SLiam Girdwood } 16175b41027SLiam Girdwood 162596ce32bSLiam Girdwood #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 163596ce32bSLiam Girdwood SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ 164596ce32bSLiam Girdwood SNDRV_PCM_RATE_48000) 165596ce32bSLiam Girdwood 16685e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = { 1676335d055SEric Miao .hw_params = pxa2xx_ac97_hw_params, 1686335d055SEric Miao }; 1696335d055SEric Miao 17085e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = { 171852fd9e5SMark Brown .hw_params = pxa2xx_ac97_hw_aux_params, 172852fd9e5SMark Brown }; 173852fd9e5SMark Brown 17485e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = { 175852fd9e5SMark Brown .hw_params = pxa2xx_ac97_hw_mic_params, 176852fd9e5SMark Brown }; 177852fd9e5SMark Brown 17875b41027SLiam Girdwood /* 17975b41027SLiam Girdwood * There is only 1 physical AC97 interface for pxa2xx, but it 18075b41027SLiam Girdwood * has extra fifo's that can be used for aux DACs and ADCs. 18175b41027SLiam Girdwood */ 182a3874196SAxel Lin static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = { 18375b41027SLiam Girdwood { 18475b41027SLiam Girdwood .name = "pxa2xx-ac97", 1853ba9e10aSMark Brown .ac97_control = 1, 18675b41027SLiam Girdwood .probe = pxa2xx_ac97_probe, 18775b41027SLiam Girdwood .remove = pxa2xx_ac97_remove, 18875b41027SLiam Girdwood .suspend = pxa2xx_ac97_suspend, 18975b41027SLiam Girdwood .resume = pxa2xx_ac97_resume, 19075b41027SLiam Girdwood .playback = { 19175b41027SLiam Girdwood .stream_name = "AC97 Playback", 19275b41027SLiam Girdwood .channels_min = 2, 193596ce32bSLiam Girdwood .channels_max = 2, 194596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 195596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 19675b41027SLiam Girdwood .capture = { 19775b41027SLiam Girdwood .stream_name = "AC97 Capture", 19875b41027SLiam Girdwood .channels_min = 2, 199596ce32bSLiam Girdwood .channels_max = 2, 200596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 201596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 202852fd9e5SMark Brown .ops = &pxa_ac97_hifi_dai_ops, 20375b41027SLiam Girdwood }, 20475b41027SLiam Girdwood { 20575b41027SLiam Girdwood .name = "pxa2xx-ac97-aux", 2063ba9e10aSMark Brown .ac97_control = 1, 20775b41027SLiam Girdwood .playback = { 20875b41027SLiam Girdwood .stream_name = "AC97 Aux Playback", 20975b41027SLiam Girdwood .channels_min = 1, 210596ce32bSLiam Girdwood .channels_max = 1, 211596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 212596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 21375b41027SLiam Girdwood .capture = { 21475b41027SLiam Girdwood .stream_name = "AC97 Aux Capture", 21575b41027SLiam Girdwood .channels_min = 1, 216596ce32bSLiam Girdwood .channels_max = 1, 217596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 218596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 219852fd9e5SMark Brown .ops = &pxa_ac97_aux_dai_ops, 22075b41027SLiam Girdwood }, 22175b41027SLiam Girdwood { 22275b41027SLiam Girdwood .name = "pxa2xx-ac97-mic", 2233ba9e10aSMark Brown .ac97_control = 1, 22475b41027SLiam Girdwood .capture = { 22575b41027SLiam Girdwood .stream_name = "AC97 Mic Capture", 22675b41027SLiam Girdwood .channels_min = 1, 227596ce32bSLiam Girdwood .channels_max = 1, 228596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 229596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 230852fd9e5SMark Brown .ops = &pxa_ac97_mic_dai_ops, 231596ce32bSLiam Girdwood }, 23275b41027SLiam Girdwood }; 23375b41027SLiam Girdwood 23475b41027SLiam Girdwood EXPORT_SYMBOL_GPL(soc_ac97_ops); 23575b41027SLiam Girdwood 236f0fba2adSLiam Girdwood static __devinit int pxa2xx_ac97_dev_probe(struct platform_device *pdev) 2376b849bcfSMark Brown { 238f0fba2adSLiam Girdwood if (pdev->id != -1) { 2394ac0478fSMarek Vasut dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n"); 2404ac0478fSMarek Vasut return -ENXIO; 2414ac0478fSMarek Vasut } 2424ac0478fSMarek Vasut 2436b849bcfSMark Brown /* Punt most of the init to the SoC probe; we may need the machine 2446b849bcfSMark Brown * driver to do interesting things with the clocking to get us up 2456b849bcfSMark Brown * and running. 2466b849bcfSMark Brown */ 247a3874196SAxel Lin return snd_soc_register_dais(&pdev->dev, pxa_ac97_dai_driver, 248a3874196SAxel Lin ARRAY_SIZE(pxa_ac97_dai_driver)); 2496b849bcfSMark Brown } 2506b849bcfSMark Brown 2516b849bcfSMark Brown static int __devexit pxa2xx_ac97_dev_remove(struct platform_device *pdev) 2526b849bcfSMark Brown { 253a3874196SAxel Lin snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(pxa_ac97_dai_driver)); 2546b849bcfSMark Brown return 0; 2556b849bcfSMark Brown } 2566b849bcfSMark Brown 2576b849bcfSMark Brown static struct platform_driver pxa2xx_ac97_driver = { 2586b849bcfSMark Brown .probe = pxa2xx_ac97_dev_probe, 2596b849bcfSMark Brown .remove = __devexit_p(pxa2xx_ac97_dev_remove), 2606b849bcfSMark Brown .driver = { 2616b849bcfSMark Brown .name = "pxa2xx-ac97", 2626b849bcfSMark Brown .owner = THIS_MODULE, 2636b849bcfSMark Brown }, 2646b849bcfSMark Brown }; 2656b849bcfSMark Brown 2662f702a19SAxel Lin module_platform_driver(pxa2xx_ac97_driver); 2673f4b783cSMark Brown 26875b41027SLiam Girdwood MODULE_AUTHOR("Nicolas Pitre"); 26975b41027SLiam Girdwood MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); 27075b41027SLiam Girdwood MODULE_LICENSE("GPL"); 271