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 90dc7d7b83SMark Brown static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai) 9175b41027SLiam Girdwood { 929c636342SDmitry Baryshkov return pxa2xx_ac97_hw_suspend(); 9375b41027SLiam Girdwood } 9475b41027SLiam Girdwood 95dc7d7b83SMark Brown static int pxa2xx_ac97_resume(struct snd_soc_dai *dai) 9675b41027SLiam Girdwood { 979c636342SDmitry Baryshkov return pxa2xx_ac97_hw_resume(); 9875b41027SLiam Girdwood } 9975b41027SLiam Girdwood 10075b41027SLiam Girdwood #else 10175b41027SLiam Girdwood #define pxa2xx_ac97_suspend NULL 10275b41027SLiam Girdwood #define pxa2xx_ac97_resume NULL 10375b41027SLiam Girdwood #endif 10475b41027SLiam Girdwood 105bdb92876SMark Brown static int pxa2xx_ac97_probe(struct platform_device *pdev, 106917f93acSLiam Girdwood struct snd_soc_dai *dai) 10775b41027SLiam Girdwood { 1089c636342SDmitry Baryshkov return pxa2xx_ac97_hw_probe(pdev); 10975b41027SLiam Girdwood } 11075b41027SLiam Girdwood 111a84534dcSDmitry Baryshkov static void pxa2xx_ac97_remove(struct platform_device *pdev, 112a84534dcSDmitry Baryshkov struct snd_soc_dai *dai) 11375b41027SLiam Girdwood { 1149c636342SDmitry Baryshkov pxa2xx_ac97_hw_remove(pdev); 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, 119dee89c4dSMark Brown struct snd_soc_dai *dai) 12075b41027SLiam Girdwood { 12175b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 122917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 12375b41027SLiam Girdwood 12475b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 125596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out; 12675b41027SLiam Girdwood else 127596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in; 12875b41027SLiam Girdwood 12975b41027SLiam Girdwood return 0; 13075b41027SLiam Girdwood } 13175b41027SLiam Girdwood 13275b41027SLiam Girdwood static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream, 133dee89c4dSMark Brown struct snd_pcm_hw_params *params, 134dee89c4dSMark Brown struct snd_soc_dai *dai) 13575b41027SLiam Girdwood { 13675b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 137917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 13875b41027SLiam Girdwood 13975b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 140596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out; 14175b41027SLiam Girdwood else 142596ce32bSLiam Girdwood cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in; 14375b41027SLiam Girdwood 14475b41027SLiam Girdwood return 0; 14575b41027SLiam Girdwood } 14675b41027SLiam Girdwood 14775b41027SLiam Girdwood static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, 148dee89c4dSMark Brown struct snd_pcm_hw_params *params, 149dee89c4dSMark Brown struct snd_soc_dai *dai) 15075b41027SLiam Girdwood { 15175b41027SLiam Girdwood struct snd_soc_pcm_runtime *rtd = substream->private_data; 152917f93acSLiam Girdwood struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 15375b41027SLiam Girdwood 15475b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 15575b41027SLiam Girdwood return -ENODEV; 15675b41027SLiam Girdwood else 157596ce32bSLiam Girdwood cpu_dai->dma_data = &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 16675b41027SLiam Girdwood /* 16775b41027SLiam Girdwood * There is only 1 physical AC97 interface for pxa2xx, but it 16875b41027SLiam Girdwood * has extra fifo's that can be used for aux DACs and ADCs. 16975b41027SLiam Girdwood */ 170917f93acSLiam Girdwood struct snd_soc_dai pxa_ac97_dai[] = { 17175b41027SLiam Girdwood { 17275b41027SLiam Girdwood .name = "pxa2xx-ac97", 17375b41027SLiam Girdwood .id = 0, 1743ba9e10aSMark Brown .ac97_control = 1, 17575b41027SLiam Girdwood .probe = pxa2xx_ac97_probe, 17675b41027SLiam Girdwood .remove = pxa2xx_ac97_remove, 17775b41027SLiam Girdwood .suspend = pxa2xx_ac97_suspend, 17875b41027SLiam Girdwood .resume = pxa2xx_ac97_resume, 17975b41027SLiam Girdwood .playback = { 18075b41027SLiam Girdwood .stream_name = "AC97 Playback", 18175b41027SLiam Girdwood .channels_min = 2, 182596ce32bSLiam Girdwood .channels_max = 2, 183596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 184596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 18575b41027SLiam Girdwood .capture = { 18675b41027SLiam Girdwood .stream_name = "AC97 Capture", 18775b41027SLiam Girdwood .channels_min = 2, 188596ce32bSLiam Girdwood .channels_max = 2, 189596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 190596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 19175b41027SLiam Girdwood .ops = { 19275b41027SLiam Girdwood .hw_params = pxa2xx_ac97_hw_params,}, 19375b41027SLiam Girdwood }, 19475b41027SLiam Girdwood { 19575b41027SLiam Girdwood .name = "pxa2xx-ac97-aux", 19675b41027SLiam Girdwood .id = 1, 1973ba9e10aSMark Brown .ac97_control = 1, 19875b41027SLiam Girdwood .playback = { 19975b41027SLiam Girdwood .stream_name = "AC97 Aux Playback", 20075b41027SLiam Girdwood .channels_min = 1, 201596ce32bSLiam Girdwood .channels_max = 1, 202596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 203596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 20475b41027SLiam Girdwood .capture = { 20575b41027SLiam Girdwood .stream_name = "AC97 Aux Capture", 20675b41027SLiam Girdwood .channels_min = 1, 207596ce32bSLiam Girdwood .channels_max = 1, 208596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 209596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 21075b41027SLiam Girdwood .ops = { 21175b41027SLiam Girdwood .hw_params = pxa2xx_ac97_hw_aux_params,}, 21275b41027SLiam Girdwood }, 21375b41027SLiam Girdwood { 21475b41027SLiam Girdwood .name = "pxa2xx-ac97-mic", 21575b41027SLiam Girdwood .id = 2, 2163ba9e10aSMark Brown .ac97_control = 1, 21775b41027SLiam Girdwood .capture = { 21875b41027SLiam Girdwood .stream_name = "AC97 Mic Capture", 21975b41027SLiam Girdwood .channels_min = 1, 220596ce32bSLiam Girdwood .channels_max = 1, 221596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 222596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 22375b41027SLiam Girdwood .ops = { 22475b41027SLiam Girdwood .hw_params = pxa2xx_ac97_hw_mic_params,}, 225596ce32bSLiam Girdwood }, 22675b41027SLiam Girdwood }; 22775b41027SLiam Girdwood 22875b41027SLiam Girdwood EXPORT_SYMBOL_GPL(pxa_ac97_dai); 22975b41027SLiam Girdwood EXPORT_SYMBOL_GPL(soc_ac97_ops); 23075b41027SLiam Girdwood 231c9b3a40fSTakashi Iwai static int __init pxa_ac97_init(void) 2323f4b783cSMark Brown { 2333f4b783cSMark Brown return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai)); 2343f4b783cSMark Brown } 2353f4b783cSMark Brown module_init(pxa_ac97_init); 2363f4b783cSMark Brown 2373f4b783cSMark Brown static void __exit pxa_ac97_exit(void) 2383f4b783cSMark Brown { 2393f4b783cSMark Brown snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai)); 2403f4b783cSMark Brown } 2413f4b783cSMark Brown module_exit(pxa_ac97_exit); 2423f4b783cSMark Brown 24375b41027SLiam Girdwood MODULE_AUTHOR("Nicolas Pitre"); 24475b41027SLiam Girdwood MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); 24575b41027SLiam Girdwood MODULE_LICENSE("GPL"); 246