|
andrewm@0
|
1 /*
|
|
andrewm@0
|
2 * I2c_Codec.h
|
|
andrewm@0
|
3 *
|
|
andrewm@0
|
4 * Handle writing the registers to the TLV320AIC310x
|
|
andrewm@0
|
5 * series audio codecs, used on the BeagleBone Audio Cape.
|
|
andrewm@0
|
6 * This code is designed to bypass the ALSA driver and
|
|
andrewm@0
|
7 * configure the codec directly in a sensible way. It
|
|
andrewm@0
|
8 * is complemented by code running on the PRU which uses
|
|
andrewm@0
|
9 * the McASP serial port to transfer audio data.
|
|
andrewm@0
|
10 *
|
|
andrewm@0
|
11 * Created on: May 25, 2014
|
|
andrewm@0
|
12 * Author: Andrew McPherson
|
|
andrewm@0
|
13 */
|
|
andrewm@0
|
14
|
|
andrewm@0
|
15
|
|
andrewm@0
|
16 #ifndef I2CCODEC_H_
|
|
andrewm@0
|
17 #define I2CCODEC_H_
|
|
andrewm@0
|
18
|
|
andrewm@0
|
19 #include "I2c.h"
|
|
andrewm@0
|
20
|
|
andrewm@0
|
21
|
|
andrewm@0
|
22 class I2c_Codec : public I2c
|
|
andrewm@0
|
23 {
|
|
andrewm@0
|
24 public:
|
|
andrewm@0
|
25 int writeRegister(unsigned int reg, unsigned int value);
|
|
andrewm@0
|
26
|
|
andrewm@0
|
27 int initCodec();
|
|
andrewm@0
|
28 int startAudio(int dual_rate);
|
|
andrewm@0
|
29 int stopAudio();
|
|
andrewm@0
|
30
|
|
andrewm@0
|
31 int setDACVolume(int halfDbSteps);
|
|
andrewm@0
|
32 int writeDACVolumeRegisters(bool mute);
|
|
andrewm@0
|
33 int setADCVolume(int halfDbSteps);
|
|
andrewm@0
|
34 int writeADCVolumeRegisters(bool mute);
|
|
andrewm@0
|
35 int setHPVolume(int halfDbSteps);
|
|
andrewm@0
|
36 int writeHPVolumeRegisters();
|
|
andrewm@0
|
37
|
|
andrewm@0
|
38 int readI2C();
|
|
andrewm@0
|
39
|
|
andrewm@0
|
40 I2c_Codec();
|
|
andrewm@0
|
41 ~I2c_Codec();
|
|
andrewm@0
|
42
|
|
andrewm@0
|
43 private:
|
|
andrewm@0
|
44 bool running;
|
|
andrewm@0
|
45 int dacVolumeHalfDbs;
|
|
andrewm@0
|
46 int adcVolumeHalfDbs;
|
|
andrewm@0
|
47 int hpVolumeHalfDbs;
|
|
andrewm@0
|
48 };
|
|
andrewm@0
|
49
|
|
andrewm@0
|
50
|
|
andrewm@0
|
51 #endif /* I2CCODEC_H_ */
|
