1 /* 2 * ALSA SoC TPA6130A2 amplifier driver 3 * 4 * Copyright (C) Nokia Corporation 5 * 6 * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> 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__ */ 63