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tpa6130a2.h
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1 /*
2  * ALSA SoC TPA6130A2 amplifier driver
3  *
4  * Copyright (C) Nokia Corporation
5  *
6  * Author: Peter Ujfalusi <[email protected]>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * version 2 as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA
21  *
22  */
23 
24 #ifndef __TPA6130A2_H__
25 #define __TPA6130A2_H__
26 
27 /* Register addresses */
28 #define TPA6130A2_REG_CONTROL 0x01
29 #define TPA6130A2_REG_VOL_MUTE 0x02
30 #define TPA6130A2_REG_OUT_IMPEDANCE 0x03
31 #define TPA6130A2_REG_VERSION 0x04
32 
33 #define TPA6130A2_CACHEREGNUM (TPA6130A2_REG_VERSION + 1)
34 
35 /* Register bits */
36 /* TPA6130A2_REG_CONTROL (0x01) */
37 #define TPA6130A2_SWS (0x01 << 0)
38 #define TPA6130A2_TERMAL (0x01 << 1)
39 #define TPA6130A2_MODE(x) (x << 4)
40 #define TPA6130A2_MODE_STEREO (0x00)
41 #define TPA6130A2_MODE_DUAL_MONO (0x01)
42 #define TPA6130A2_MODE_BRIDGE (0x02)
43 #define TPA6130A2_MODE_MASK (0x03)
44 #define TPA6130A2_HP_EN_R (0x01 << 6)
45 #define TPA6130A2_HP_EN_L (0x01 << 7)
46 
47 /* TPA6130A2_REG_VOL_MUTE (0x02) */
48 #define TPA6130A2_VOLUME(x) ((x & 0x3f) << 0)
49 #define TPA6130A2_MUTE_R (0x01 << 6)
50 #define TPA6130A2_MUTE_L (0x01 << 7)
51 
52 /* TPA6130A2_REG_OUT_IMPEDANCE (0x03) */
53 #define TPA6130A2_HIZ_R (0x01 << 0)
54 #define TPA6130A2_HIZ_L (0x01 << 1)
55 
56 /* TPA6130A2_REG_VERSION (0x04) */
57 #define TPA6130A2_VERSION_MASK (0x0f)
58 
59 extern int tpa6130a2_add_controls(struct snd_soc_codec *codec);
60 extern int tpa6130a2_stereo_enable(struct snd_soc_codec *codec, int enable);
61 
62 #endif /* __TPA6130A2_H__ */