1 files changed, 102 insertions, 0 deletions

diff --git a/firmware/export/uda1341.h b/firmware/export/uda1341.h
new file mode 100644
index 0000000000..dcbbeef8e5
--- /dev/null
+++ b/firmware/export/uda1341.h
@@ -0,0 +1,102 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Bob Cousins
+ *
+ * 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _UDA1341_H
+#define _UDA1341_H
+
+/* volume/balance/treble/bass interdependency */
+#define VOLUME_MIN -840
+#define VOLUME_MAX  0
+
+#define AUDIOHW_CAPS (BASS_CAP | TREBLE_CAP | PRESCALER_CAP)
+
+extern int tenthdb2master(int db);
+extern int tenthdb2mixer(int db);
+
+extern void audiohw_set_master_vol(int vol_l, int vol_r);
+extern void audiohw_set_mixer_vol(int channel1, int channel2);
+
+/* Address byte */
+#define UDA1341_ADDR            0x14
+#define UDA_REG_DATA0           0x00
+#define UDA_REG_DATA1           0x01
+#define UDA_REG_STATUS          0x02
+
+/* STATUS */
+#define UDA_STATUS_0            (0 << 7)
+#define UDA_STATUS_1            (1 << 7)
+
+#define UDA_RESET               (1 << 6)
+#define UDA_SYSCLK_512FS        (0 << 4)
+#define UDA_SYSCLK_384FS        (1 << 4)
+#define UDA_SYSCLK_256FS        (2 << 4)
+#define I2S_IFMT_IIS            (0 << 1)
+#define I2S_IFMT_LSB16          (1 << 1)
+#define I2S_IFMT_LSB18          (2 << 1)
+#define I2S_IFMT_LSB20          (3 << 1)
+#define I2S_IFMT_MSB            (4 << 1)
+#define I2S_IFMT_LSB16_OFMT_MSB (5 << 1)
+#define I2S_IFMT_LSB18_OFMT_MSB (6 << 1)
+#define I2S_IFMT_LSB20_OFMT_MSB (7 << 1)
+#define UDA_DC_FILTER           (1 << 0)
+
+#define UDA_OUTPUT_GAIN         (1 << 6)
+#define UDA_INPUT_GAIN          (1 << 5)
+#define UDA_ADC_INVERT          (1 << 4)
+#define UDA_DAC_INVERT          (1 << 3)
+#define UDA_DOUBLE_SPEED        (1 << 2)
+#define UDA_POWER_ADC_ON        (1 << 1)
+#define UDA_POWER_DAC_ON        (1 << 0)
+
+/* DATA0 */
+#define UDA_DATA_CTRL0          (0 << 6)
+#define UDA_DATA_CTRL1          (1 << 6)
+#define UDA_DATA_CTRL2          (2 << 6)
+#define UDA_DATA_EXT_ADDR       (6 << 5)
+#define UDA_DATA_EXT_DATA       (7 << 5)
+
+#define UDA_VOLUME(x)           ((x) << 8)  /* 1=0dB, 61=-60dB */
+
+#define UDA_BASS_BOOST(x)       ((x) << 2)  /* see datasheet */
+#define UDA_TREBLE(x)           ((x) << 0)  /* see datasheet */
+
+#define UDA_PEAK_DETECT_POS     (1 << 5)
+#define UDA_DE_EMPHASIS_NONE    (0 << 3)
+#define UDA_DE_EMPHASIS_32      (1 << 3)
+#define UDA_DE_EMPHASIS_44_1    (2 << 3)
+#define UDA_DE_EMPHASIS_48      (3 << 3)
+#define UDA_MUTE                (1 << 2)
+#define UDA_MODE_SWITCH_FLAT    (0 << 0)
+#define UDA_MODE_SWITCH_MIN     (1 << 0)
+#define UDA_MODE_SWITCH_MAX     (3 << 0)
+
+#define UDA_EXT_0               (0 << 5)    /* Mixer Gain Chan 1 */
+#define UDA_EXT_1               (1 << 5)    /* Mixer Gain Chan 2 */
+#define UDA_EXT_2               (2 << 5)    /* Mic sens and mixer mode */
+#define UDA_EXT_4               (4 << 5)    /* AGC, Input amp gain */
+#define UDA_EXT_5               (5 << 5)    /* Input amp gain */
+#define UDA_EXT_6               (6 << 5)    /* AGC settings */
+
+/* TODO: DATA0 extended registers */
+
+/* DATA1: see datasheet */
+
+#endif /* _UDA_1341_H */