14a3c4ab0e
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits) [ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices [ARM] pxafb: cleanup of the timing checking code [ARM] pxafb: cleanup of the color format manipulation code [ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3 [ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching [ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset [ARM] pxafb: allow video memory size to be configurable [ARM] pxa: add document on the MFP design and how to use it [ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant [ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant [ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad) [ARM] pxa: Update eseries defconfig [ARM] 5352/1: add w90p910-plat config file [ARM] s3c: S3C options should depend on PLAT_S3C [ARM] mv78xx0: implement GPIO and GPIO interrupt support [ARM] Kirkwood: implement GPIO and GPIO interrupt support [ARM] Orion: share GPIO IRQ handling code [ARM] Orion: share GPIO handling code [ARM] s3c: define __io using the typesafe version [ARM] S3C64XX: Ensure CPU_V6 is selected ...
246 lines
6.1 KiB
C
246 lines
6.1 KiB
C
/*
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* linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
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*
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* Author: Nicolas Pitre
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* Created: Dec 02, 2004
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* Copyright: MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/ac97_codec.h>
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#include <sound/soc.h>
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#include <sound/pxa2xx-lib.h>
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#include <mach/hardware.h>
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#include <mach/pxa-regs.h>
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#include <mach/regs-ac97.h>
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#include "pxa2xx-pcm.h"
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#include "pxa2xx-ac97.h"
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static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
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{
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pxa2xx_ac97_try_warm_reset(ac97);
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pxa2xx_ac97_finish_reset(ac97);
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}
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static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
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{
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pxa2xx_ac97_try_cold_reset(ac97);
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pxa2xx_ac97_finish_reset(ac97);
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}
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struct snd_ac97_bus_ops soc_ac97_ops = {
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.read = pxa2xx_ac97_read,
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.write = pxa2xx_ac97_write,
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.warm_reset = pxa2xx_ac97_warm_reset,
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.reset = pxa2xx_ac97_cold_reset,
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};
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static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
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.name = "AC97 PCM Stereo out",
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.dev_addr = __PREG(PCDR),
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.drcmr = &DRCMR(12),
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.dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
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DCMD_BURST32 | DCMD_WIDTH4,
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};
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static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
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.name = "AC97 PCM Stereo in",
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.dev_addr = __PREG(PCDR),
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.drcmr = &DRCMR(11),
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.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
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DCMD_BURST32 | DCMD_WIDTH4,
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};
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static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
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.name = "AC97 Aux PCM (Slot 5) Mono out",
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.dev_addr = __PREG(MODR),
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.drcmr = &DRCMR(10),
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.dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
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DCMD_BURST16 | DCMD_WIDTH2,
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};
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static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
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.name = "AC97 Aux PCM (Slot 5) Mono in",
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.dev_addr = __PREG(MODR),
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.drcmr = &DRCMR(9),
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.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
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DCMD_BURST16 | DCMD_WIDTH2,
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};
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static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
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.name = "AC97 Mic PCM (Slot 6) Mono in",
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.dev_addr = __PREG(MCDR),
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.drcmr = &DRCMR(8),
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.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
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DCMD_BURST16 | DCMD_WIDTH2,
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};
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#ifdef CONFIG_PM
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static int pxa2xx_ac97_suspend(struct snd_soc_dai *dai)
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{
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return pxa2xx_ac97_hw_suspend();
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}
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static int pxa2xx_ac97_resume(struct snd_soc_dai *dai)
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{
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return pxa2xx_ac97_hw_resume();
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}
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#else
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#define pxa2xx_ac97_suspend NULL
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#define pxa2xx_ac97_resume NULL
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#endif
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static int pxa2xx_ac97_probe(struct platform_device *pdev,
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struct snd_soc_dai *dai)
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{
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return pxa2xx_ac97_hw_probe(pdev);
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}
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static void pxa2xx_ac97_remove(struct platform_device *pdev,
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struct snd_soc_dai *dai)
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{
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pxa2xx_ac97_hw_remove(pdev);
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}
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static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
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else
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cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
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return 0;
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}
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static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
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else
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cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
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return 0;
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}
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static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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return -ENODEV;
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else
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cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
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return 0;
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}
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#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
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SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
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SNDRV_PCM_RATE_48000)
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/*
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* There is only 1 physical AC97 interface for pxa2xx, but it
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* has extra fifo's that can be used for aux DACs and ADCs.
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*/
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struct snd_soc_dai pxa_ac97_dai[] = {
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{
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.name = "pxa2xx-ac97",
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.id = 0,
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.ac97_control = 1,
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.probe = pxa2xx_ac97_probe,
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.remove = pxa2xx_ac97_remove,
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.suspend = pxa2xx_ac97_suspend,
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.resume = pxa2xx_ac97_resume,
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.playback = {
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.stream_name = "AC97 Playback",
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.channels_min = 2,
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.channels_max = 2,
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.rates = PXA2XX_AC97_RATES,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,},
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.capture = {
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.stream_name = "AC97 Capture",
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.channels_min = 2,
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.channels_max = 2,
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.rates = PXA2XX_AC97_RATES,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,},
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.ops = {
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.hw_params = pxa2xx_ac97_hw_params,},
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},
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{
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.name = "pxa2xx-ac97-aux",
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.id = 1,
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.ac97_control = 1,
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.playback = {
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.stream_name = "AC97 Aux Playback",
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.channels_min = 1,
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.channels_max = 1,
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.rates = PXA2XX_AC97_RATES,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,},
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.capture = {
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.stream_name = "AC97 Aux Capture",
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.channels_min = 1,
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.channels_max = 1,
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.rates = PXA2XX_AC97_RATES,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,},
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.ops = {
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.hw_params = pxa2xx_ac97_hw_aux_params,},
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},
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{
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.name = "pxa2xx-ac97-mic",
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.id = 2,
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.ac97_control = 1,
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.capture = {
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.stream_name = "AC97 Mic Capture",
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.channels_min = 1,
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.channels_max = 1,
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.rates = PXA2XX_AC97_RATES,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,},
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.ops = {
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.hw_params = pxa2xx_ac97_hw_mic_params,},
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},
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};
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EXPORT_SYMBOL_GPL(pxa_ac97_dai);
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EXPORT_SYMBOL_GPL(soc_ac97_ops);
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static int __init pxa_ac97_init(void)
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{
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return snd_soc_register_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
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}
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module_init(pxa_ac97_init);
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static void __exit pxa_ac97_exit(void)
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{
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snd_soc_unregister_dais(pxa_ac97_dai, ARRAY_SIZE(pxa_ac97_dai));
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}
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module_exit(pxa_ac97_exit);
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MODULE_AUTHOR("Nicolas Pitre");
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MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
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MODULE_LICENSE("GPL");
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