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> 2475b41027SLiam Girdwood 2575b41027SLiam Girdwood #include "pxa2xx-pcm.h" 26596ce32bSLiam Girdwood #include "pxa2xx-ac97.h" 2775b41027SLiam Girdwood 2875b41027SLiam Girdwood static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97) 2975b41027SLiam Girdwood { 309c636342SDmitry Baryshkov pxa2xx_ac97_try_warm_reset(ac97); 3175b41027SLiam Girdwood 329c636342SDmitry Baryshkov pxa2xx_ac97_finish_reset(ac97); 3375b41027SLiam Girdwood } 3475b41027SLiam Girdwood 3575b41027SLiam Girdwood static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97) 3675b41027SLiam Girdwood { 379c636342SDmitry Baryshkov pxa2xx_ac97_try_cold_reset(ac97); 387a22323bSMark Brown 399c636342SDmitry Baryshkov pxa2xx_ac97_finish_reset(ac97); 4075b41027SLiam Girdwood } 4175b41027SLiam Girdwood 4275b41027SLiam Girdwood struct snd_ac97_bus_ops soc_ac97_ops = { 4375b41027SLiam Girdwood .read = pxa2xx_ac97_read, 4475b41027SLiam Girdwood .write = pxa2xx_ac97_write, 4575b41027SLiam Girdwood .warm_reset = pxa2xx_ac97_warm_reset, 4675b41027SLiam Girdwood .reset = pxa2xx_ac97_cold_reset, 4775b41027SLiam Girdwood }; 4875b41027SLiam Girdwood 4975b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = { 5075b41027SLiam Girdwood .name = "AC97 PCM Stereo out", 5175b41027SLiam Girdwood .dev_addr = __PREG(PCDR), 5287f3dd77SEric Miao .drcmr = &DRCMR(12), 5375b41027SLiam Girdwood .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | 5475b41027SLiam Girdwood DCMD_BURST32 | DCMD_WIDTH4, 5575b41027SLiam Girdwood }; 5675b41027SLiam Girdwood 5775b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = { 5875b41027SLiam Girdwood .name = "AC97 PCM Stereo in", 5975b41027SLiam Girdwood .dev_addr = __PREG(PCDR), 6087f3dd77SEric Miao .drcmr = &DRCMR(11), 6175b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 6275b41027SLiam Girdwood DCMD_BURST32 | DCMD_WIDTH4, 6375b41027SLiam Girdwood }; 6475b41027SLiam Girdwood 6575b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = { 6675b41027SLiam Girdwood .name = "AC97 Aux PCM (Slot 5) Mono out", 6775b41027SLiam Girdwood .dev_addr = __PREG(MODR), 6887f3dd77SEric Miao .drcmr = &DRCMR(10), 6975b41027SLiam Girdwood .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | 7075b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 7175b41027SLiam Girdwood }; 7275b41027SLiam Girdwood 7375b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = { 7475b41027SLiam Girdwood .name = "AC97 Aux PCM (Slot 5) Mono in", 7575b41027SLiam Girdwood .dev_addr = __PREG(MODR), 7687f3dd77SEric Miao .drcmr = &DRCMR(9), 7775b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 7875b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 7975b41027SLiam Girdwood }; 8075b41027SLiam Girdwood 8175b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = { 8275b41027SLiam Girdwood .name = "AC97 Mic PCM (Slot 6) Mono in", 8375b41027SLiam Girdwood .dev_addr = __PREG(MCDR), 8487f3dd77SEric Miao .drcmr = &DRCMR(8), 8575b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 8675b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 8775b41027SLiam Girdwood }; 8875b41027SLiam Girdwood 8975b41027SLiam Girdwood #ifdef CONFIG_PM 9075b41027SLiam Girdwood static int pxa2xx_ac97_suspend(struct platform_device *pdev, 91917f93acSLiam Girdwood struct snd_soc_dai *dai) 9275b41027SLiam Girdwood { 939c636342SDmitry Baryshkov return pxa2xx_ac97_hw_suspend(); 9475b41027SLiam Girdwood } 9575b41027SLiam Girdwood 9675b41027SLiam Girdwood static int pxa2xx_ac97_resume(struct platform_device *pdev, 97917f93acSLiam Girdwood struct snd_soc_dai *dai) 9875b41027SLiam Girdwood { 999c636342SDmitry Baryshkov return pxa2xx_ac97_hw_resume(); 10075b41027SLiam Girdwood } 10175b41027SLiam Girdwood 10275b41027SLiam Girdwood #else 10375b41027SLiam Girdwood #define pxa2xx_ac97_suspend NULL 10475b41027SLiam Girdwood #define pxa2xx_ac97_resume NULL 10575b41027SLiam Girdwood #endif 10675b41027SLiam Girdwood 107bdb92876SMark Brown static int pxa2xx_ac97_probe(struct platform_device *pdev, 108917f93acSLiam Girdwood struct snd_soc_dai *dai) 10975b41027SLiam Girdwood { 1109c636342SDmitry Baryshkov return pxa2xx_ac97_hw_probe(pdev); 11175b41027SLiam Girdwood } 11275b41027SLiam Girdwood 113a84534dcSDmitry Baryshkov static void pxa2xx_ac97_remove(struct platform_device *pdev, 114a84534dcSDmitry Baryshkov struct snd_soc_dai *dai) 11575b41027SLiam Girdwood { 1169c636342SDmitry Baryshkov pxa2xx_ac97_hw_remove(pdev); 11775b41027SLiam Girdwood } 11875b41027SLiam Girdwood 11975b41027SLiam Girdwood static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream, 120dee89c4dSMark Brown struct snd_pcm_hw_params *params, 121dee89c4dSMark Brown struct snd_soc_dai *dai) 12275b41027SLiam Girdwood { 12375b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 124917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 12575b41027SLiam Girdwood 12675b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 127596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out; 12875b41027SLiam Girdwood else 129596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in; 13075b41027SLiam Girdwood 13175b41027SLiam Girdwood return 0; 13275b41027SLiam Girdwood } 13375b41027SLiam Girdwood 13475b41027SLiam Girdwood static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream, 135dee89c4dSMark Brown struct snd_pcm_hw_params *params, 136dee89c4dSMark Brown struct snd_soc_dai *dai) 13775b41027SLiam Girdwood { 13875b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 139917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 14075b41027SLiam Girdwood 14175b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 142596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out; 14375b41027SLiam Girdwood else 144596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in; 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, 151dee89c4dSMark Brown struct snd_soc_dai *dai) 15275b41027SLiam Girdwood { 15375b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 154917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 15575b41027SLiam Girdwood 15675b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 15775b41027SLiam Girdwood return -ENODEV; 15875b41027SLiam Girdwood else 159596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in; 16075b41027SLiam Girdwood 16175b41027SLiam Girdwood return 0; 16275b41027SLiam Girdwood } 16375b41027SLiam Girdwood 164596ce32bSLiam Girdwood #define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 165596ce32bSLiam Girdwood SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ 166596ce32bSLiam Girdwood SNDRV_PCM_RATE_48000) 167596ce32bSLiam Girdwood 16875b41027SLiam Girdwood /* 16975b41027SLiam Girdwood * There is only 1 physical AC97 interface for pxa2xx, but it 17075b41027SLiam Girdwood * has extra fifo's that can be used for aux DACs and ADCs. 17175b41027SLiam Girdwood */ 172917f93acSLiam Girdwood struct snd_soc_dai pxa_ac97_dai[] = { 17375b41027SLiam Girdwood { 17475b41027SLiam Girdwood .name = "pxa2xx-ac97", 17575b41027SLiam Girdwood .id = 0, 1763ba9e10aSMark Brown .ac97_control = 1, 17775b41027SLiam Girdwood .probe = pxa2xx_ac97_probe, 17875b41027SLiam Girdwood .remove = pxa2xx_ac97_remove, 17975b41027SLiam Girdwood .suspend = pxa2xx_ac97_suspend, 18075b41027SLiam Girdwood .resume = pxa2xx_ac97_resume, 18175b41027SLiam Girdwood .playback = { 18275b41027SLiam Girdwood .stream_name = "AC97 Playback", 18375b41027SLiam Girdwood .channels_min = 2, 184596ce32bSLiam Girdwood .channels_max = 2, 185596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 186596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 18775b41027SLiam Girdwood .capture = { 18875b41027SLiam Girdwood .stream_name = "AC97 Capture", 18975b41027SLiam Girdwood .channels_min = 2, 190596ce32bSLiam Girdwood .channels_max = 2, 191596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 192596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 19375b41027SLiam Girdwood .ops = { 19475b41027SLiam Girdwood .hw_params = pxa2xx_ac97_hw_params,}, 19575b41027SLiam Girdwood }, 19675b41027SLiam Girdwood { 19775b41027SLiam Girdwood .name = "pxa2xx-ac97-aux", 19875b41027SLiam Girdwood .id = 1, 1993ba9e10aSMark Brown .ac97_control = 1, 20075b41027SLiam Girdwood .playback = { 20175b41027SLiam Girdwood .stream_name = "AC97 Aux Playback", 20275b41027SLiam Girdwood .channels_min = 1, 203596ce32bSLiam Girdwood .channels_max = 1, 204596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 205596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 20675b41027SLiam Girdwood .capture = { 20775b41027SLiam Girdwood .stream_name = "AC97 Aux Capture", 20875b41027SLiam Girdwood .channels_min = 1, 209596ce32bSLiam Girdwood .channels_max = 1, 210596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 211596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 21275b41027SLiam Girdwood .ops = { 21375b41027SLiam Girdwood .hw_params = pxa2xx_ac97_hw_aux_params,}, 21475b41027SLiam Girdwood }, 21575b41027SLiam Girdwood { 21675b41027SLiam Girdwood .name = "pxa2xx-ac97-mic", 21775b41027SLiam Girdwood .id = 2, 2183ba9e10aSMark Brown .ac97_control = 1, 21975b41027SLiam Girdwood .capture = { 22075b41027SLiam Girdwood .stream_name = "AC97 Mic Capture", 22175b41027SLiam Girdwood .channels_min = 1, 222596ce32bSLiam Girdwood .channels_max = 1, 223596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 224596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 22575b41027SLiam Girdwood .ops = { 22675b41027SLiam Girdwood .hw_params = pxa2xx_ac97_hw_mic_params,}, 227596ce32bSLiam Girdwood }, 22875b41027SLiam Girdwood }; 22975b41027SLiam Girdwood 23075b41027SLiam Girdwood EXPORT_SYMBOL_GPL(pxa_ac97_dai); 23175b41027SLiam Girdwood EXPORT_SYMBOL_GPL(soc_ac97_ops); 23275b41027SLiam Girdwood 23375b41027SLiam Girdwood MODULE_AUTHOR("Nicolas Pitre"); 23475b41027SLiam Girdwood MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); 23575b41027SLiam Girdwood MODULE_LICENSE("GPL"); 236