1 files changed, 193 insertions, 0 deletions

diff --git a/firmware/export/ak4537.h b/firmware/export/ak4537.h
new file mode 100644
index 0000000000..1f272d41fc
--- /dev/null
+++ b/firmware/export/ak4537.h
@@ -0,0 +1,193 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Mark Arigo
+ *
+ * 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 _AK4537_H
+#define _AK4537_H
+
+/* Volume goes from -127.0 ... 0 dB in 0.5 dB increments */
+#define VOLUME_MIN -1270
+#define VOLUME_MAX     0
+
+extern int tenthdb2master(int db);
+
+extern void audiohw_set_master_vol(int vol_l, int vol_r);
+
+#define AKC_NUM_REGS        0x11
+
+/* Common register bits */
+
+/* Power Management 1 */
+#define AK4537_PM1          0x00
+#define PMADL       (1 << 0)
+#define PMMICL      (1 << 1)
+#define PMIPGL      (1 << 2)
+#define PMMO        (1 << 3)
+#define PMLO        (1 << 4)
+#define PMBPM       (1 << 5)
+#define PMBPS       (1 << 6)
+#define PMVCM       (1 << 7)
+
+/* Power Management 2 */
+#define AK4537_PM2          0x01
+#define PMDAC       (1 << 0)
+#define PMHPR       (1 << 1)
+#define PMHPL       (1 << 2)
+#define PMSPK       (1 << 3)
+#define SPKG        (1 << 4)
+#define PMPLL       (1 << 5)
+#define PMXTL       (1 << 6)
+#define MCLKPD      (1 << 7)
+
+/* Signal Select 1 */
+#define AK4537_SIGSEL1      0x02
+#define MOUT2       (1 << 0)
+#define ALCS        (1 << 1)
+#define BPMSP       (1 << 2)
+#define BPSSP       (1 << 3)
+#define MICM        (1 << 4)
+#define DAMO        (1 << 5)
+#define PSMO        (1 << 6)
+#define MOGN        (1 << 7)
+
+/* Signal Select 2 */
+#define AK4537_SIGSEL2      0x03
+#define HPR         (1 << 0)
+#define HPL         (1 << 1)
+#define BPMHP       (1 << 2)
+#define BPSHP       (1 << 3)
+#define MICL        (1 << 4)
+#define PSLO        (1 << 6)
+#define DAHS        (1 << 7)
+
+/* Mode Control 1 */
+#define AK4537_MODE1        0x04
+#define DIF_MASK    (3 << 0)
+#define BICK_MASK   (1 << 2)
+#define MCKO_EN     (1 << 3)
+#define MCKO_MASK   (3 << 4)
+#define MCKI_MASK   (3 << 6)
+
+/* Mode Control 2 */
+#define AK4537_MODE2        0x05
+#define SPPS        (1 << 0)
+#define LOOP        (1 << 1)
+#define HPM         (1 << 2)
+#define FS_MASK     (7 << 5)
+
+/* DAC Control */
+#define AK4537_DAC          0x06
+#define DEM_MASK    (3 << 0)
+#define BST_MASK    (3 << 2)
+#define DATTC       (1 << 4)
+#define SMUTE       (1 << 5)
+#define TM_MASK     (3 << 6)
+
+/* MIC Control */
+#define AK4537_MIC          0x07
+#define MGAIN       (1 << 0)
+#define MSEL        (1 << 1)
+#define MICAD       (1 << 2)
+#define MPWRI       (1 << 3)
+#define MPWRE       (1 << 4)
+#define IPGAC       (1 << 5)
+
+/* Timer Select */
+#define AK4537_TIMER        0x08
+#define LTM_MASK    (3 << 0)
+#define WTM_MASK    (3 << 2)
+#define ZTM_MASK    (3 << 4)
+#define ZTM1        (1 << 5)
+#define ROTM        (1 << 6)
+
+/* ALC Mode Control 1 */
+#define AK4537_ALC1         0x09
+#define LMTH        (1 << 0)
+#define RATT        (1 << 1)
+#define LMAT_MASK   (3 << 2)
+#define ZELM        (1 << 4)
+#define ALC1        (1 << 5)
+#define ALC2        (1 << 6)
+
+/* ALC Mode Control 2 */
+#define AK4537_ALC2         0x0a
+
+/* Lch Input PGA Control */
+#define AK4537_IPGAL        0x0b
+
+/* Lch Digital ATT Control */
+#define AK4537_ATTL         0x0c
+
+/* Rch Digital ATT Control */
+#define AK4537_ATTR         0x0d
+
+/* Volume Control */
+#define AK4537_VOLUME       0x0e
+#define ATTS_MASK   (7 << 4)
+#define ATTRM       (1 << 7)
+
+/* Rch Input PGA Control */
+#define AK4537_IPGAR        0x0f
+
+/* Power Management 3 */
+#define AK4537_PM3          0x10
+#define PMADR       (1 << 0)
+#define PMMICR      (1 << 1)
+#define PMIPGR      (1 << 2)
+#define INR         (1 << 3)
+#define INL         (1 << 4)
+
+/* Sampling frequency (PLL mode) */
+#define AKC_PLL_8000HZ      (7 << 5)
+#define AKC_PLL_11025HZ     (2 << 5)
+#define AKC_PLL_16000HZ     (6 << 5)
+#define AKC_PLL_22050HZ     (1 << 5)
+#define AKC_PLL_24000HZ     (5 << 5)
+#define AKC_PLL_32000HZ     (4 << 5)
+#define AKC_PLL_44100HZ     (0 << 5)
+#define AKC_PLL_48000HZ     (3 << 5)
+
+/* MCKI input frequency (PLL mode) */
+#define MCKI_PLL_12288KHZ   (0 << 6)
+#define MCKI_PLL_11289KHZ   (1 << 6)
+#define MCKI_PLL_12000KHZ   (2 << 6)
+
+/* MCKO frequency (PLL mode, MCKO bit = 1) */
+#define MCKO_PLL_256FS      (0 << 4)
+#define MCKO_PLL_128FS      (1 << 4)
+#define MCKO_PLL_64FS       (2 << 4)
+#define MCKO_PLL_32FS       (3 << 4)
+
+/* BICK frequency */
+#define BICK_64FS           (0 << 2)
+#define BICK_32FS           (1 << 2)
+
+/* Audio interface format */
+#define DIF_MSB_LSB         (0 << 0)
+#define DIF_MSB_MSB         (1 << 0)
+#define DIF_I2S             (2 << 0)
+
+/* Low frequency boost control */
+#define BST_OFF             (0 << 2)
+#define BST_MIN             (1 << 2)
+#define BST_MID             (2 << 2)
+#define BST_MAX             (3 << 2)
+
+#endif /* _AK4537_H */