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authorMichael Sevakis <jethead71@rockbox.org>2007-10-02 08:15:47 +0000
committerMichael Sevakis <jethead71@rockbox.org>2007-10-02 08:15:47 +0000
commitc9f699432d0c2b0b743a9b1df197c30692a94bda (patch)
tree6eb28b6e48079e0bb38608277f6efc7719a6c0c8 /firmware/export/wm8721.h
parentc90c18ea67b4f1f01befe871dd82f8a6b623a4d8 (diff)
Fix red. Finish adding the remaining file.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14950 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/export/wm8721.h')
-rw-r--r--firmware/export/wm8721.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/firmware/export/wm8721.h b/firmware/export/wm8721.h
new file mode 100644
index 0000000000..fb9cc535ab
--- /dev/null
+++ b/firmware/export/wm8721.h
@@ -0,0 +1,108 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Dave Chapman
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _WM8721_H
+#define _WM8721_H
+
+/* volume/balance/treble/bass interdependency */
+#define VOLUME_MIN -730
+#define VOLUME_MAX 60
+
+extern int tenthdb2master(int db);
+extern int tenthdb2mixer(int db);
+
+extern void audiohw_reset(void);
+extern void audiohw_enable_output(bool enable);
+extern int audiohw_set_master_vol(int vol_l, int vol_r);
+extern void audiohw_set_nsorder(int order);
+extern void audiohw_set_sample_rate(int sampling_control);
+
+/* Register addresses and bits */
+#define LOUTVOL 0x02
+#define LOUTVOL_LHPVOL_MASK 0x7f
+#define LOUTVOL_LZCEN (1 << 7)
+#define LOUTVOL_LRHPBOTH (1 << 8)
+
+#define ROUTVOL 0x03
+#define ROUTVOL_RHPVOL_MASK 0x7f
+#define ROUTVOL_RZCEN (1 << 7)
+#define ROUTVOL_RLHPBOTH (1 << 8)
+
+#define AAPCTRL 0x04 /* Analog audio path control */
+#define AAPCTRL_DACSEL (1 << 4)
+
+#define DAPCTRL 0x05 /* Digital audio path control */
+#define DAPCTRL_DEEMP_DISABLE (0 << 2)
+#define DAPCTRL_DEEMP_32KHz (1 << 2)
+#define DAPCTRL_DEEMP_44KHz (2 << 2)
+#define DAPCTRL_DEEMP_48KHz (3 << 2)
+#define DAPCTRL_DEEMP_MASK (3 << 2)
+#define DAPCTRL_DACMU (1 << 3)
+
+#define PDCTRL 0x06
+#define PDCTRL_DACPD (1 << 3)
+#define PDCTRL_OUTPD (1 << 4)
+#define PDCTRL_POWEROFF (1 << 7)
+
+#define AINTFCE 0x07
+#define AINTFCE_FORMAT_MSB_RJUST(0 << 0)
+#define AINTFCE_FORMAT_MSB_LJUST(1 << 0)
+#define AINTFCE_FORMAT_I2S (2 << 0)
+#define AINTFCE_FORMAT_DSP (3 << 0)
+#define AINTFCE_FORMAT_MASK (3 << 0)
+#define AINTFCE_IWL_16BIT (0 << 2)
+#define AINTFCE_IWL_20BIT (1 << 2)
+#define AINTFCE_IWL_24BIT (2 << 2)
+#define AINTFCE_IWL_32BIT (3 << 2)
+#define AINTFCE_IWL_MASK (3 << 2)
+#define AINTFCE_LRP_I2S_RLO (0 << 4)
+#define AINTFCE_LRP_I2S_RHI (1 << 4)
+#define AINTFCE_DSP_MODE_A (0 << 4)
+#define AINTFCE_DSP_MODE_B (1 << 4)
+#define AINTFCE_LRSWAP (1 << 5)
+#define AINTFCE_MS (1 << 6)
+#define AINTFCE_BCLKINV (1 << 7)
+
+#define SAMPCTRL 0x08
+#define SAMPCTRL_USB (1 << 0)
+#define SAMPCTRL_BOSR_NOR_256fs (0 << 1)
+#define SAMPCTRL_BOSR_NOR_384fs (1 << 1)
+#define SAMPCTRL_BOSR_USB_250fs (0 << 1)
+#define SAMPCTRL_BOSR_USB_272fs (1 << 1)
+/* Bits 2-5:
+ * Sample rate setting are device-specific. See WM8731(L) datasheet
+ * for proper settings for the device's clocking */
+#define SAMPCTRL_SR_MASK (0xf << 2)
+#define SAMPCTRL_CLKIDIV2 (1 << 6)
+
+#define ACTIVECTRL 0x09
+#define ACTIVECTRL_ACTIVE (1 << 0)
+
+#define RESET 0x0f
+#define RESET_RESET 0x0
+
+/* SAMPCTRL values for the supported samplerates (24MHz MCLK/USB): */
+#define WM8721_USB24_8000HZ 0x4d
+#define WM8721_USB24_32000HZ 0x59
+#define WM8721_USB24_44100HZ 0x63
+#define WM8721_USB24_48000HZ 0x41
+#define WM8721_USB24_88200HZ 0x7f
+#define WM8721_USB24_96000HZ 0x5d
+
+#endif /* _WM8721_H */