firmware/target/arm/pp/ascodec-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Driver for AS3514 audio codec
  11  *
  12  * Copyright (c) 2007 Daniel Ankers
  13  * Copyright (c) 2007 Christian Gmeiner
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21  * KIND, either express or implied.
  22  *
  23  ****************************************************************************/
  24
  25 #ifndef _ASCODEC_TARGET_H
  26 #define _ASCODEC_TARGET_H
  27
  28 #include "config.h"
  29
  30 #include "as3514.h"
  31 #include "i2c-pp.h"
  32
  33 static inline int ascodec_write(unsigned int reg, unsigned int value)
  34 {
  35     return pp_i2c_send(AS3514_I2C_ADDR, reg, value);
  36 }
  37
  38 static inline int ascodec_read(unsigned int reg)
  39 {
  40     return i2c_readbyte(AS3514_I2C_ADDR, reg);
  41 }
  42
  43 static inline int ascodec_readbytes(int addr, int len, unsigned char *data)
  44 {
  45     return i2c_readbytes(AS3514_I2C_ADDR, addr, len, data);
  46 }
  47
  48 static inline void ascodec_lock(void)
  49 {
  50     i2c_lock();
  51 }
  52
  53 static inline void ascodec_unlock(void)
  54 {
  55     i2c_unlock();
  56 }
  57
  58 static inline bool ascodec_chg_status(void)
  59 {
  60     return ascodec_read(AS3514_IRQ_ENRD0) & CHG_STATUS;
  61 }
  62
  63 static inline bool ascodec_endofch(void)
  64 {
  65     return ascodec_read(AS3514_IRQ_ENRD0) & CHG_ENDOFCH;
  66 }
  67
  68 static inline void ascodec_monitor_endofch(void)
  69 {
  70     ascodec_write(AS3514_IRQ_ENRD0, IRQ_ENDOFCH);
  71 }
  72
  73 static inline void ascodec_wait_adc_finished(void)
  74 {
  75     /*
  76      * FIXME: not implemented
  77      *
  78      * If irqs are not available on the target platform,
  79      * this should be most likely implemented by polling
  80      * AS3514_IRQ_ENRD2 in the same way powermgmt-ascodec.c
  81      * is polling IRQ_ENDOFCH.
  82      */
  83 }
  84
  85 static inline void ascodec_write_charger(int value)
  86 {
  87     ascodec_write(AS3514_CHARGER, value);
  88 }
  89
  90 static inline int ascodec_read_charger(void)
  91 {
  92     return ascodec_read(AS3514_CHARGER);
  93 }
  94
  95 extern void ascodec_suppressor_on(bool on);
  96
  97 #endif /* !_ASCODEC_TARGET_H */