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> 23a09e64fbSRussell King #include <mach/pxa-regs.h> 241f017a99SEric Miao #include <mach/regs-ac97.h> 2575b41027SLiam Girdwood 2675b41027SLiam Girdwood #include "pxa2xx-pcm.h" 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 106bdb92876SMark Brown static int pxa2xx_ac97_probe(struct platform_device *pdev, 107917f93acSLiam Girdwood struct snd_soc_dai *dai) 10875b41027SLiam Girdwood { 1096b849bcfSMark Brown return pxa2xx_ac97_hw_probe(to_platform_device(dai->dev)); 11075b41027SLiam Girdwood } 11175b41027SLiam Girdwood 112a84534dcSDmitry Baryshkov static void pxa2xx_ac97_remove(struct platform_device *pdev, 113a84534dcSDmitry Baryshkov struct snd_soc_dai *dai) 11475b41027SLiam Girdwood { 1156b849bcfSMark Brown pxa2xx_ac97_hw_remove(to_platform_device(dai->dev)); 11675b41027SLiam Girdwood } 11775b41027SLiam Girdwood 11875b41027SLiam Girdwood static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream, 119dee89c4dSMark Brown struct snd_pcm_hw_params *params, 120dee89c4dSMark Brown struct snd_soc_dai *dai) 12175b41027SLiam Girdwood { 12275b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 123917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 12475b41027SLiam Girdwood 12575b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 126596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out; 12775b41027SLiam Girdwood else 128596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in; 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, 135dee89c4dSMark Brown struct snd_soc_dai *dai) 13675b41027SLiam Girdwood { 13775b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 138917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 13975b41027SLiam Girdwood 14075b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 141596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out; 14275b41027SLiam Girdwood else 143596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in; 14475b41027SLiam Girdwood 14575b41027SLiam Girdwood return 0; 14675b41027SLiam Girdwood } 14775b41027SLiam Girdwood 14875b41027SLiam Girdwood static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, 149dee89c4dSMark Brown struct snd_pcm_hw_params *params, 150dee89c4dSMark Brown struct snd_soc_dai *dai) 15175b41027SLiam Girdwood { 15275b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 153917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 15475b41027SLiam Girdwood 15575b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 15675b41027SLiam Girdwood return -ENODEV; 15775b41027SLiam Girdwood else 158596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in; 15975b41027SLiam Girdwood 16075b41027SLiam Girdwood return 0; 16175b41027SLiam Girdwood } 16275b41027SLiam Girdwood 163596ce32bSLiam Girdwood #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 164596ce32bSLiam Girdwood SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ 165596ce32bSLiam Girdwood SNDRV_PCM_RATE_48000) 166596ce32bSLiam Girdwood 167852fd9e5SMark Brown static struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = { 1686335d055SEric Miao .hw_params = pxa2xx_ac97_hw_params, 1696335d055SEric Miao }; 1706335d055SEric Miao 171852fd9e5SMark Brown static struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = { 172852fd9e5SMark Brown .hw_params = pxa2xx_ac97_hw_aux_params, 173852fd9e5SMark Brown }; 174852fd9e5SMark Brown 175852fd9e5SMark Brown static struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = { 176852fd9e5SMark Brown .hw_params = pxa2xx_ac97_hw_mic_params, 177852fd9e5SMark Brown }; 178852fd9e5SMark Brown 17975b41027SLiam Girdwood /* 18075b41027SLiam Girdwood * There is only 1 physical AC97 interface for pxa2xx, but it 18175b41027SLiam Girdwood * has extra fifo's that can be used for aux DACs and ADCs. 18275b41027SLiam Girdwood */ 183917f93acSLiam Girdwood struct snd_soc_dai pxa_ac97_dai[] = { 18475b41027SLiam Girdwood { 18575b41027SLiam Girdwood .name = "pxa2xx-ac97", 18675b41027SLiam Girdwood .id = 0, 1873ba9e10aSMark Brown .ac97_control = 1, 18875b41027SLiam Girdwood .probe = pxa2xx_ac97_probe, 18975b41027SLiam Girdwood .remove = pxa2xx_ac97_remove, 19075b41027SLiam Girdwood .suspend = pxa2xx_ac97_suspend, 19175b41027SLiam Girdwood .resume = pxa2xx_ac97_resume, 19275b41027SLiam Girdwood .playback = { 19375b41027SLiam Girdwood .stream_name = "AC97 Playback", 19475b41027SLiam Girdwood .channels_min = 2, 195596ce32bSLiam Girdwood .channels_max = 2, 196596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 197596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 19875b41027SLiam Girdwood .capture = { 19975b41027SLiam Girdwood .stream_name = "AC97 Capture", 20075b41027SLiam Girdwood .channels_min = 2, 201596ce32bSLiam Girdwood .channels_max = 2, 202596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 203596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 204852fd9e5SMark Brown .ops = &pxa_ac97_hifi_dai_ops, 20575b41027SLiam Girdwood }, 20675b41027SLiam Girdwood { 20775b41027SLiam Girdwood .name = "pxa2xx-ac97-aux", 20875b41027SLiam Girdwood .id = 1, 2093ba9e10aSMark Brown .ac97_control = 1, 21075b41027SLiam Girdwood .playback = { 21175b41027SLiam Girdwood .stream_name = "AC97 Aux Playback", 21275b41027SLiam Girdwood .channels_min = 1, 213596ce32bSLiam Girdwood .channels_max = 1, 214596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 215596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 21675b41027SLiam Girdwood .capture = { 21775b41027SLiam Girdwood .stream_name = "AC97 Aux Capture", 21875b41027SLiam Girdwood .channels_min = 1, 219596ce32bSLiam Girdwood .channels_max = 1, 220596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 221596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 222852fd9e5SMark Brown .ops = &pxa_ac97_aux_dai_ops, 22375b41027SLiam Girdwood }, 22475b41027SLiam Girdwood { 22575b41027SLiam Girdwood .name = "pxa2xx-ac97-mic", 22675b41027SLiam Girdwood .id = 2, 2273ba9e10aSMark Brown .ac97_control = 1, 22875b41027SLiam Girdwood .capture = { 22975b41027SLiam Girdwood .stream_name = "AC97 Mic Capture", 23075b41027SLiam Girdwood .channels_min = 1, 231596ce32bSLiam Girdwood .channels_max = 1, 232596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 233596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 234852fd9e5SMark Brown .ops = &pxa_ac97_mic_dai_ops, 235596ce32bSLiam Girdwood }, 23675b41027SLiam Girdwood }; 23775b41027SLiam Girdwood 23875b41027SLiam Girdwood EXPORT_SYMBOL_GPL(pxa_ac97_dai); 23975b41027SLiam Girdwood EXPORT_SYMBOL_GPL(soc_ac97_ops); 24075b41027SLiam Girdwood 2416b849bcfSMark Brown static int __devinit pxa2xx_ac97_dev_probe(struct platform_device *pdev) 2426b849bcfSMark Brown { 2436b849bcfSMark Brown int i; 2446b849bcfSMark Brown 2456b849bcfSMark Brown for (i = 0; i < ARRAY_SIZE(pxa_ac97_dai); i++) 2466b849bcfSMark Brown pxa_ac97_dai[i].dev = &pdev->dev; 2476b849bcfSMark Brown 2486b849bcfSMark Brown /* Punt most of the init to the SoC probe; we may need the machine 2496b849bcfSMark Brown * driver to do interesting things with the clocking to get us up 2506b849bcfSMark Brown * and running. 2516b849bcfSMark Brown */ 2526b849bcfSMark Brown return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai)); 2536b849bcfSMark Brown } 2546b849bcfSMark Brown 2556b849bcfSMark Brown static int __devexit pxa2xx_ac97_dev_remove(struct platform_device *pdev) 2566b849bcfSMark Brown { 2576b849bcfSMark Brown snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai)); 2586b849bcfSMark Brown 2596b849bcfSMark Brown return 0; 2606b849bcfSMark Brown } 2616b849bcfSMark Brown 2626b849bcfSMark Brown static struct platform_driver pxa2xx_ac97_driver = { 2636b849bcfSMark Brown .probe = pxa2xx_ac97_dev_probe, 2646b849bcfSMark Brown .remove = __devexit_p(pxa2xx_ac97_dev_remove), 2656b849bcfSMark Brown .driver = { 2666b849bcfSMark Brown .name = "pxa2xx-ac97", 2676b849bcfSMark Brown .owner = THIS_MODULE, 2686b849bcfSMark Brown }, 2696b849bcfSMark Brown }; 2706b849bcfSMark Brown 271c9b3a40fSTakashi Iwai static int __init pxa_ac97_init(void) 2723f4b783cSMark Brown { 2736b849bcfSMark Brown return platform_driver_register(&pxa2xx_ac97_driver); 2743f4b783cSMark Brown } 2753f4b783cSMark Brown module_init(pxa_ac97_init); 2763f4b783cSMark Brown 2773f4b783cSMark Brown static void __exit pxa_ac97_exit(void) 2783f4b783cSMark Brown { 2796b849bcfSMark Brown platform_driver_unregister(&pxa2xx_ac97_driver); 2803f4b783cSMark Brown } 2813f4b783cSMark Brown module_exit(pxa_ac97_exit); 2823f4b783cSMark Brown 28375b41027SLiam Girdwood MODULE_AUTHOR("Nicolas Pitre"); 28475b41027SLiam Girdwood MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); 28575b41027SLiam Girdwood MODULE_LICENSE("GPL"); 286