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> 1423019a73SRob Herring #include <linux/io.h> 1575b41027SLiam Girdwood #include <linux/module.h> 1675b41027SLiam Girdwood #include <linux/platform_device.h> 1775b41027SLiam Girdwood 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> 2275b41027SLiam Girdwood 23a09e64fbSRussell King #include <mach/hardware.h> 241f017a99SEric Miao #include <mach/regs-ac97.h> 257ebc8d56SEric Miao #include <mach/dma.h> 264ac0478fSMarek Vasut #include <mach/audio.h> 2775b41027SLiam Girdwood 28596ce32bSLiam Girdwood #include "pxa2xx-ac97.h" 2975b41027SLiam Girdwood 3075b41027SLiam Girdwood static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97) 3175b41027SLiam Girdwood { 329c636342SDmitry Baryshkov pxa2xx_ac97_try_warm_reset(ac97); 3375b41027SLiam Girdwood 349c636342SDmitry Baryshkov pxa2xx_ac97_finish_reset(ac97); 3575b41027SLiam Girdwood } 3675b41027SLiam Girdwood 3775b41027SLiam Girdwood static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97) 3875b41027SLiam Girdwood { 399c636342SDmitry Baryshkov pxa2xx_ac97_try_cold_reset(ac97); 407a22323bSMark Brown 419c636342SDmitry Baryshkov pxa2xx_ac97_finish_reset(ac97); 4275b41027SLiam Girdwood } 4375b41027SLiam Girdwood 44b047e1ccSMark Brown static struct snd_ac97_bus_ops pxa2xx_ac97_ops = { 4575b41027SLiam Girdwood .read = pxa2xx_ac97_read, 4675b41027SLiam Girdwood .write = pxa2xx_ac97_write, 4775b41027SLiam Girdwood .warm_reset = pxa2xx_ac97_warm_reset, 4875b41027SLiam Girdwood .reset = pxa2xx_ac97_cold_reset, 4975b41027SLiam Girdwood }; 5075b41027SLiam Girdwood 5175b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = { 5275b41027SLiam Girdwood .name = "AC97 PCM Stereo out", 5375b41027SLiam Girdwood .dev_addr = __PREG(PCDR), 5487f3dd77SEric Miao .drcmr = &DRCMR(12), 5575b41027SLiam Girdwood .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | 5675b41027SLiam Girdwood DCMD_BURST32 | DCMD_WIDTH4, 5775b41027SLiam Girdwood }; 5875b41027SLiam Girdwood 5975b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = { 6075b41027SLiam Girdwood .name = "AC97 PCM Stereo in", 6175b41027SLiam Girdwood .dev_addr = __PREG(PCDR), 6287f3dd77SEric Miao .drcmr = &DRCMR(11), 6375b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 6475b41027SLiam Girdwood DCMD_BURST32 | DCMD_WIDTH4, 6575b41027SLiam Girdwood }; 6675b41027SLiam Girdwood 6775b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = { 6875b41027SLiam Girdwood .name = "AC97 Aux PCM (Slot 5) Mono out", 6975b41027SLiam Girdwood .dev_addr = __PREG(MODR), 7087f3dd77SEric Miao .drcmr = &DRCMR(10), 7175b41027SLiam Girdwood .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG | 7275b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 7375b41027SLiam Girdwood }; 7475b41027SLiam Girdwood 7575b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = { 7675b41027SLiam Girdwood .name = "AC97 Aux PCM (Slot 5) Mono in", 7775b41027SLiam Girdwood .dev_addr = __PREG(MODR), 7887f3dd77SEric Miao .drcmr = &DRCMR(9), 7975b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 8075b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 8175b41027SLiam Girdwood }; 8275b41027SLiam Girdwood 8375b41027SLiam Girdwood static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = { 8475b41027SLiam Girdwood .name = "AC97 Mic PCM (Slot 6) Mono in", 8575b41027SLiam Girdwood .dev_addr = __PREG(MCDR), 8687f3dd77SEric Miao .drcmr = &DRCMR(8), 8775b41027SLiam Girdwood .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC | 8875b41027SLiam Girdwood DCMD_BURST16 | DCMD_WIDTH2, 8975b41027SLiam Girdwood }; 9075b41027SLiam Girdwood 9175b41027SLiam Girdwood #ifdef CONFIG_PM 92dc7d7b83SMark Brown static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai) 9375b41027SLiam Girdwood { 949c636342SDmitry Baryshkov return pxa2xx_ac97_hw_suspend(); 9575b41027SLiam Girdwood } 9675b41027SLiam Girdwood 97dc7d7b83SMark Brown static int pxa2xx_ac97_resume(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 107570f6fe1SBill Pemberton static int pxa2xx_ac97_probe(struct snd_soc_dai *dai) 10875b41027SLiam Girdwood { 1096b849bcfSMark Brown return pxa2xx_ac97_hw_probe(to_platform_device(dai->dev)); 11075b41027SLiam Girdwood } 11175b41027SLiam Girdwood 112f0fba2adSLiam Girdwood static int pxa2xx_ac97_remove(struct snd_soc_dai *dai) 11375b41027SLiam Girdwood { 1146b849bcfSMark Brown pxa2xx_ac97_hw_remove(to_platform_device(dai->dev)); 115f0fba2adSLiam Girdwood return 0; 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, 120f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai) 12175b41027SLiam Girdwood { 1225f712b2bSDaniel Mack struct pxa2xx_pcm_dma_params *dma_data; 12375b41027SLiam Girdwood 12475b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 1255f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_stereo_out; 12675b41027SLiam Girdwood else 1275f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_stereo_in; 1285f712b2bSDaniel Mack 1295f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); 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, 136f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai) 13775b41027SLiam Girdwood { 1385f712b2bSDaniel Mack struct pxa2xx_pcm_dma_params *dma_data; 13975b41027SLiam Girdwood 14075b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 1415f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_aux_mono_out; 14275b41027SLiam Girdwood else 1435f712b2bSDaniel Mack dma_data = &pxa2xx_ac97_pcm_aux_mono_in; 1445f712b2bSDaniel Mack 1455f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); 14675b41027SLiam Girdwood 14775b41027SLiam Girdwood return 0; 14875b41027SLiam Girdwood } 14975b41027SLiam Girdwood 15075b41027SLiam Girdwood static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream, 151dee89c4dSMark Brown struct snd_pcm_hw_params *params, 152f0fba2adSLiam Girdwood struct snd_soc_dai *cpu_dai) 15375b41027SLiam Girdwood { 15475b41027SLiam Girdwood if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 15575b41027SLiam Girdwood return -ENODEV; 15675b41027SLiam Girdwood else 1575f712b2bSDaniel Mack snd_soc_dai_set_dma_data(cpu_dai, substream, 1585f712b2bSDaniel Mack &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 16785e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_hifi_dai_ops = { 1686335d055SEric Miao .hw_params = pxa2xx_ac97_hw_params, 1696335d055SEric Miao }; 1706335d055SEric Miao 17185e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops pxa_ac97_aux_dai_ops = { 172852fd9e5SMark Brown .hw_params = pxa2xx_ac97_hw_aux_params, 173852fd9e5SMark Brown }; 174852fd9e5SMark Brown 17585e7652dSLars-Peter Clausen static const 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 */ 183a3874196SAxel Lin static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = { 18475b41027SLiam Girdwood { 18575b41027SLiam Girdwood .name = "pxa2xx-ac97", 1863ba9e10aSMark Brown .ac97_control = 1, 18775b41027SLiam Girdwood .probe = pxa2xx_ac97_probe, 18875b41027SLiam Girdwood .remove = pxa2xx_ac97_remove, 18975b41027SLiam Girdwood .suspend = pxa2xx_ac97_suspend, 19075b41027SLiam Girdwood .resume = pxa2xx_ac97_resume, 19175b41027SLiam Girdwood .playback = { 19275b41027SLiam Girdwood .stream_name = "AC97 Playback", 19375b41027SLiam Girdwood .channels_min = 2, 194596ce32bSLiam Girdwood .channels_max = 2, 195596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 196596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 19775b41027SLiam Girdwood .capture = { 19875b41027SLiam Girdwood .stream_name = "AC97 Capture", 19975b41027SLiam Girdwood .channels_min = 2, 200596ce32bSLiam Girdwood .channels_max = 2, 201596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 202596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 203852fd9e5SMark Brown .ops = &pxa_ac97_hifi_dai_ops, 20475b41027SLiam Girdwood }, 20575b41027SLiam Girdwood { 20675b41027SLiam Girdwood .name = "pxa2xx-ac97-aux", 2073ba9e10aSMark Brown .ac97_control = 1, 20875b41027SLiam Girdwood .playback = { 20975b41027SLiam Girdwood .stream_name = "AC97 Aux Playback", 21075b41027SLiam Girdwood .channels_min = 1, 211596ce32bSLiam Girdwood .channels_max = 1, 212596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 213596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 21475b41027SLiam Girdwood .capture = { 21575b41027SLiam Girdwood .stream_name = "AC97 Aux Capture", 21675b41027SLiam Girdwood .channels_min = 1, 217596ce32bSLiam Girdwood .channels_max = 1, 218596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 219596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 220852fd9e5SMark Brown .ops = &pxa_ac97_aux_dai_ops, 22175b41027SLiam Girdwood }, 22275b41027SLiam Girdwood { 22375b41027SLiam Girdwood .name = "pxa2xx-ac97-mic", 2243ba9e10aSMark Brown .ac97_control = 1, 22575b41027SLiam Girdwood .capture = { 22675b41027SLiam Girdwood .stream_name = "AC97 Mic Capture", 22775b41027SLiam Girdwood .channels_min = 1, 228596ce32bSLiam Girdwood .channels_max = 1, 229596ce32bSLiam Girdwood .rates = PXA2XX_AC97_RATES, 230596ce32bSLiam Girdwood .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 231852fd9e5SMark Brown .ops = &pxa_ac97_mic_dai_ops, 232596ce32bSLiam Girdwood }, 23375b41027SLiam Girdwood }; 23475b41027SLiam Girdwood 235ad53232cSKuninori Morimoto static const struct snd_soc_component_driver pxa_ac97_component = { 236ad53232cSKuninori Morimoto .name = "pxa-ac97", 237ad53232cSKuninori Morimoto }; 238ad53232cSKuninori Morimoto 239570f6fe1SBill Pemberton static int pxa2xx_ac97_dev_probe(struct platform_device *pdev) 2406b849bcfSMark Brown { 241f0fba2adSLiam Girdwood if (pdev->id != -1) { 2424ac0478fSMarek Vasut dev_err(&pdev->dev, "PXA2xx has only one AC97 port.\n"); 2434ac0478fSMarek Vasut return -ENXIO; 2444ac0478fSMarek Vasut } 2454ac0478fSMarek Vasut 246b047e1ccSMark Brown ret = snd_soc_set_ac97_ops(&pxa2xx_ac97_ops); 247b047e1ccSMark Brown if (ret != 0) 248b047e1ccSMark Brown return ret; 249b047e1ccSMark Brown 2506b849bcfSMark Brown /* Punt most of the init to the SoC probe; we may need the machine 2516b849bcfSMark Brown * driver to do interesting things with the clocking to get us up 2526b849bcfSMark Brown * and running. 2536b849bcfSMark Brown */ 254ad53232cSKuninori Morimoto return snd_soc_register_component(&pdev->dev, &pxa_ac97_component, 255ad53232cSKuninori Morimoto pxa_ac97_dai_driver, ARRAY_SIZE(pxa_ac97_dai_driver)); 2566b849bcfSMark Brown } 2576b849bcfSMark Brown 258570f6fe1SBill Pemberton static int pxa2xx_ac97_dev_remove(struct platform_device *pdev) 2596b849bcfSMark Brown { 260ad53232cSKuninori Morimoto snd_soc_unregister_component(&pdev->dev); 261b047e1ccSMark Brown snd_soc_set_ac97_ops(NULL); 2626b849bcfSMark Brown return 0; 2636b849bcfSMark Brown } 2646b849bcfSMark Brown 2656b849bcfSMark Brown static struct platform_driver pxa2xx_ac97_driver = { 2666b849bcfSMark Brown .probe = pxa2xx_ac97_dev_probe, 267570f6fe1SBill Pemberton .remove = pxa2xx_ac97_dev_remove, 2686b849bcfSMark Brown .driver = { 2696b849bcfSMark Brown .name = "pxa2xx-ac97", 2706b849bcfSMark Brown .owner = THIS_MODULE, 2716b849bcfSMark Brown }, 2726b849bcfSMark Brown }; 2736b849bcfSMark Brown 2742f702a19SAxel Lin module_platform_driver(pxa2xx_ac97_driver); 2753f4b783cSMark Brown 27675b41027SLiam Girdwood MODULE_AUTHOR("Nicolas Pitre"); 27775b41027SLiam Girdwood MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip"); 27875b41027SLiam Girdwood MODULE_LICENSE("GPL"); 279