mirror of
https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
synced 2024-10-18 09:28:36 +00:00
f11a96d5cd
This patch adds pxa2xx ASoC DMA audio support. It's based on sound/arm/pxa-pcm.c by Nicolas Pitre with the following differences. o Modified driver structure to use ASoC core PCM callbacks and data structures. o Registration with ASoC core. From: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
|
|
* linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
|
|
*
|
|
* Author: Nicolas Pitre
|
|
* Created: Nov 30, 2004
|
|
* Copyright: MontaVista Software, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef _PXA2XX_PCM_H
|
|
#define _PXA2XX_PCM_H
|
|
|
|
struct pxa2xx_pcm_dma_params {
|
|
char *name; /* stream identifier */
|
|
u32 dcmd; /* DMA descriptor dcmd field */
|
|
volatile u32 *drcmr; /* the DMA request channel to use */
|
|
u32 dev_addr; /* device physical address for DMA */
|
|
};
|
|
|
|
struct pxa2xx_gpio {
|
|
u32 sys;
|
|
u32 rx;
|
|
u32 tx;
|
|
u32 clk;
|
|
u32 frm;
|
|
};
|
|
|
|
/* pxa2xx DAI ID's */
|
|
#define PXA2XX_DAI_AC97_HIFI 0
|
|
#define PXA2XX_DAI_AC97_AUX 1
|
|
#define PXA2XX_DAI_AC97_MIC 2
|
|
#define PXA2XX_DAI_I2S 0
|
|
#define PXA2XX_DAI_SSP1 0
|
|
#define PXA2XX_DAI_SSP2 1
|
|
#define PXA2XX_DAI_SSP3 2
|
|
|
|
extern struct snd_soc_cpu_dai pxa_ac97_dai[3];
|
|
extern struct snd_soc_cpu_dai pxa_i2s_dai;
|
|
extern struct snd_soc_cpu_dai pxa_ssp_dai[3];
|
|
|
|
/* platform data */
|
|
extern struct snd_soc_platform pxa2xx_soc_platform;
|
|
extern struct snd_ac97_bus_ops pxa2xx_ac97_ops;
|
|
|
|
#endif
|