Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / codecs / tpa6130a2.h

diff --git a/kernel/sound/soc/codecs/tpa6130a2.h b/kernel/sound/soc/codecs/tpa6130a2.h
new file mode 100644 (file)
index 0000000..4174440
--- /dev/null
+++ b/kernel/sound/soc/codecs/tpa6130a2.h
@@ -0,0 +1,62 @@
+/*
+ * ALSA SoC TPA6130A2 amplifier driver
+ *
+ * Copyright (C) Nokia Corporation
+ *
+ * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __TPA6130A2_H__
+#define __TPA6130A2_H__
+
+/* Register addresses */
+#define TPA6130A2_REG_CONTROL          0x01
+#define TPA6130A2_REG_VOL_MUTE         0x02
+#define TPA6130A2_REG_OUT_IMPEDANCE    0x03
+#define TPA6130A2_REG_VERSION          0x04
+
+#define TPA6130A2_CACHEREGNUM  (TPA6130A2_REG_VERSION + 1)
+
+/* Register bits */
+/* TPA6130A2_REG_CONTROL (0x01) */
+#define TPA6130A2_SWS                  (0x01 << 0)
+#define TPA6130A2_TERMAL               (0x01 << 1)
+#define TPA6130A2_MODE(x)              (x << 4)
+#define TPA6130A2_MODE_STEREO          (0x00)
+#define TPA6130A2_MODE_DUAL_MONO       (0x01)
+#define TPA6130A2_MODE_BRIDGE          (0x02)
+#define TPA6130A2_MODE_MASK            (0x03)
+#define TPA6130A2_HP_EN_R              (0x01 << 6)
+#define TPA6130A2_HP_EN_L              (0x01 << 7)
+
+/* TPA6130A2_REG_VOL_MUTE (0x02) */
+#define TPA6130A2_VOLUME(x)            ((x & 0x3f) << 0)
+#define TPA6130A2_MUTE_R               (0x01 << 6)
+#define TPA6130A2_MUTE_L               (0x01 << 7)
+
+/* TPA6130A2_REG_OUT_IMPEDANCE (0x03) */
+#define TPA6130A2_HIZ_R                        (0x01 << 0)
+#define TPA6130A2_HIZ_L                        (0x01 << 1)
+
+/* TPA6130A2_REG_VERSION (0x04) */
+#define TPA6130A2_VERSION_MASK         (0x0f)
+
+extern int tpa6130a2_add_controls(struct snd_soc_codec *codec);
+extern int tpa6130a2_stereo_enable(struct snd_soc_codec *codec, int enable);
+
+#endif /* __TPA6130A2_H__ */