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authorKevin Cernekee <cernekee@chromium.org>2015-05-04 02:00:18 +0200
committerMark Brown <broonie@kernel.org>2015-05-04 13:46:25 +0200
commit3fd6e7d9a146e2e0b55f428d8d4d500ca86909f5 (patch)
tree0894269b5684ff0a324e465343c1451520a26332 /sound/soc/codecs/tas571x.h
parentASoC: tas571x: Add DT binding document (diff)
downloadlinux-3fd6e7d9a146e2e0b55f428d8d4d500ca86909f5.tar.xz
linux-3fd6e7d9a146e2e0b55f428d8d4d500ca86909f5.zip
ASoC: tas571x: New driver for TI TAS571x power amplifiers
Introduce a new codec driver for the Texas Instruments TAS5711/TAS5717/TAS5719 power amplifier chips. These chips are typically used to take an I2S digital audio input and drive 10-20W into a pair of speakers. Signed-off-by: Kevin Cernekee <cernekee@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/tas571x.h')
-rw-r--r--sound/soc/codecs/tas571x.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/sound/soc/codecs/tas571x.h b/sound/soc/codecs/tas571x.h
new file mode 100644
index 000000000000..0aee471232cd
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+++ b/sound/soc/codecs/tas571x.h
@@ -0,0 +1,33 @@
+/*
+ * TAS571x amplifier audio driver
+ *
+ * Copyright (C) 2015 Google, Inc.
+ *
+ * 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.
+ */
+
+#ifndef _TAS571X_H
+#define _TAS571X_H
+
+/* device registers */
+#define TAS571X_SDI_REG 0x04
+#define TAS571X_SDI_FMT_MASK 0x0f
+
+#define TAS571X_SYS_CTRL_2_REG 0x05
+#define TAS571X_SYS_CTRL_2_SDN_MASK 0x40
+
+#define TAS571X_SOFT_MUTE_REG 0x06
+#define TAS571X_SOFT_MUTE_CH1_SHIFT 0
+#define TAS571X_SOFT_MUTE_CH2_SHIFT 1
+#define TAS571X_SOFT_MUTE_CH3_SHIFT 2
+
+#define TAS571X_MVOL_REG 0x07
+#define TAS571X_CH1_VOL_REG 0x08
+#define TAS571X_CH2_VOL_REG 0x09
+
+#define TAS571X_OSC_TRIM_REG 0x1b
+
+#endif /* _TAS571X_H */