8777297b5e
This patch merges omap specific driver headers from N800 tree. Signed-off-by: Kai Svahn <kai.svahn@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/*
|
|
* linux/include/asm-arm/arch-omap2/eac.h
|
|
*
|
|
* Defines for Enhanced Audio Controller
|
|
*
|
|
* Contact: Jarkko Nikula <jarkko.nikula@nokia.com>
|
|
*
|
|
* Copyright (C) 2006 Nokia Corporation
|
|
* Copyright (C) 2004 Texas Instruments, 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#ifndef __ASM_ARM_ARCH_OMAP2_EAC_H
|
|
#define __ASM_ARM_ARCH_OMAP2_EAC_H
|
|
|
|
#include <asm/arch/io.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/irq.h>
|
|
|
|
#include <sound/driver.h>
|
|
#include <sound/core.h>
|
|
|
|
/* master codec clock source */
|
|
#define EAC_MCLK_EXT_MASK 0x100
|
|
enum eac_mclk_src {
|
|
EAC_MCLK_INT_11290000, /* internal 96 MHz / 8.5 = 11.29 Mhz */
|
|
EAC_MCLK_EXT_11289600 = EAC_MCLK_EXT_MASK,
|
|
EAC_MCLK_EXT_12288000,
|
|
EAC_MCLK_EXT_2x11289600,
|
|
EAC_MCLK_EXT_2x12288000,
|
|
};
|
|
|
|
/* codec port interface mode */
|
|
enum eac_codec_mode {
|
|
EAC_CODEC_PCM,
|
|
EAC_CODEC_AC97,
|
|
EAC_CODEC_I2S_MASTER, /* codec port, I.e. EAC is the master */
|
|
EAC_CODEC_I2S_SLAVE,
|
|
};
|
|
|
|
/* configuration structure for I2S mode */
|
|
struct eac_i2s_conf {
|
|
/* if enabled, then first data slot (left channel) is signaled as
|
|
* positive level of frame sync EAC.AC_FS */
|
|
unsigned polarity_changed_mode:1;
|
|
/* if enabled, then serial data starts one clock cycle after the
|
|
* of EAC.AC_FS for first audio slot */
|
|
unsigned sync_delay_enable:1;
|
|
};
|
|
|
|
/* configuration structure for EAC codec port */
|
|
struct eac_codec {
|
|
enum eac_mclk_src mclk_src;
|
|
|
|
enum eac_codec_mode codec_mode;
|
|
union {
|
|
struct eac_i2s_conf i2s;
|
|
} codec_conf;
|
|
|
|
int default_rate; /* audio sampling rate */
|
|
|
|
int (* set_power)(void *private_data, int dac, int adc);
|
|
int (* register_controls)(void *private_data,
|
|
struct snd_card *card);
|
|
const char *short_name;
|
|
|
|
void *private_data;
|
|
};
|
|
|
|
/* structure for passing platform dependent data to the EAC driver */
|
|
struct eac_platform_data {
|
|
int (* init)(struct device *eac_dev);
|
|
void (* cleanup)(struct device *eac_dev);
|
|
/* these callbacks are used to configure & control external MCLK
|
|
* source. NULL if not used */
|
|
int (* enable_ext_clocks)(struct device *eac_dev);
|
|
void (* disable_ext_clocks)(struct device *eac_dev);
|
|
};
|
|
|
|
extern void omap_init_eac(struct eac_platform_data *pdata);
|
|
|
|
extern int eac_register_codec(struct device *eac_dev, struct eac_codec *codec);
|
|
extern void eac_unregister_codec(struct device *eac_dev);
|
|
|
|
extern int eac_set_mode(struct device *eac_dev, int play, int rec);
|
|
|
|
#endif /* __ASM_ARM_ARCH_OMAP2_EAC_H */
|