c4e4ffb541
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25305 a1c6a512-1295-4272-9138-f99709370657
123 lines
4 KiB
C
123 lines
4 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Driver for AS3514 audio codec
|
|
*
|
|
* Copyright (c) 2007 Daniel Ankers
|
|
* Copyright (c) 2007 Christian Gmeiner
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef _ASCODEC_TARGET_H
|
|
#define _ASCODEC_TARGET_H
|
|
|
|
#ifndef SIMULATOR
|
|
|
|
#include "as3514.h"
|
|
#include "kernel.h" /* for struct wakeup */
|
|
#include "clock-target.h" /* for AS3525_I2C_PRESCALER */
|
|
|
|
/* Charge Pump and Power management Settings */
|
|
#define AS314_CP_DCDC3_SETTING \
|
|
((0<<7) | /* CP_SW Auto-Switch Margin 0=200/300 1=150/255 */ \
|
|
(0<<6) | /* CP_on 0=Normal op 1=Chg Pump Always On */ \
|
|
(0<<5) | /* LREG_CPnot Always write 0 */ \
|
|
(0<<3) | /* DCDC3p BVDD setting 3.6/3.2/3.1/3.0 */ \
|
|
(1<<2) | /* LREG_off 1=Auto mode switching 0=Length Reg only*/\
|
|
(0<<0) ) /* CVDDp Core Voltage Setting 1.2/1.15/1.10/1.05*/
|
|
|
|
#define CVDD_1_20 0
|
|
#define CVDD_1_15 1
|
|
#define CVDD_1_10 2
|
|
#define CVDD_1_05 3
|
|
|
|
#define ASCODEC_REQ_READ 0
|
|
#define ASCODEC_REQ_WRITE 1
|
|
|
|
/*
|
|
* How many bytes we using in struct ascodec_request for the data buffer.
|
|
* 4 fits the alignment best right now.
|
|
* We don't actually use more than 2 at the moment (in adc_read).
|
|
* Upper limit would be 255 since DACNT is 8 bits!
|
|
*/
|
|
#define ASCODEC_REQ_MAXLEN 4
|
|
|
|
typedef void (ascodec_cb_fn)(unsigned const char *data, unsigned cnt);
|
|
|
|
struct ascodec_request {
|
|
unsigned char type;
|
|
unsigned char index;
|
|
unsigned char status;
|
|
unsigned char cnt;
|
|
unsigned char data[ASCODEC_REQ_MAXLEN];
|
|
struct wakeup wkup;
|
|
ascodec_cb_fn *callback;
|
|
struct ascodec_request *next;
|
|
};
|
|
|
|
void ascodec_init(void);
|
|
|
|
int ascodec_write(unsigned int index, unsigned int value);
|
|
|
|
int ascodec_read(unsigned int index);
|
|
|
|
int ascodec_readbytes(unsigned int index, unsigned int len, unsigned char *data);
|
|
|
|
/*
|
|
* The request struct passed in must be allocated statically.
|
|
* If you call ascodec_async_write from different places, each
|
|
* call needs it's own request struct.
|
|
* This comment is duplicated in .c and .h for your convenience.
|
|
*/
|
|
void ascodec_async_write(unsigned index, unsigned int value, struct ascodec_request *req);
|
|
|
|
/*
|
|
* The request struct passed in must be allocated statically.
|
|
* If you call ascodec_async_read from different places, each
|
|
* call needs it's own request struct.
|
|
* If len is bigger than ASCODEC_REQ_MAXLEN it will be
|
|
* set to ASCODEC_REQ_MAXLEN.
|
|
* This comment is duplicated in .c and .h for your convenience.
|
|
*/
|
|
void ascodec_async_read(unsigned index, unsigned int len,
|
|
struct ascodec_request *req, ascodec_cb_fn *cb);
|
|
|
|
void ascodec_req_init(struct ascodec_request *req, int type,
|
|
unsigned int index, unsigned int cnt);
|
|
|
|
void ascodec_submit(struct ascodec_request *req);
|
|
|
|
void ascodec_lock(void);
|
|
|
|
void ascodec_unlock(void);
|
|
|
|
#if CONFIG_CPU == AS3525
|
|
void ascodec_wait_adc_finished(void);
|
|
#else
|
|
static inline void ascodec_wait_adc_finished(void)
|
|
{
|
|
/* FIXME: Doesn't work yet on AS3525v2 */
|
|
}
|
|
#endif
|
|
|
|
void ascodec_enable_endofch_irq(void);
|
|
|
|
void ascodec_disable_endofch_irq(void);
|
|
|
|
#endif /* !SIMULATOR */
|
|
|
|
#endif /* !_ASCODEC_TARGET_H */
|