1 files changed, 101 insertions, 0 deletions
diff --git a/kernel/drv/oss_audiocs/cs4231_mixer.h b/kernel/drv/oss_audiocs/cs4231_mixer.h
new file mode 100644
index 0000000..253ea01
--- /dev/null
+++ b/kernel/drv/oss_audiocs/cs4231_mixer.h
@@ -0,0 +1,101 @@
+/*
+ * Purpose: Definitions for the mixer of cs4231.
+ */
+
+/*
+ *
+ * This file is part of Open Sound System.
+ *
+ * Copyright (C) 4Front Technologies 1996-2008.
+ *
+ * This this source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ */
+
+#define MODE2_MIXER_DEVICES		(SOUND_MASK_LINE1 | SOUND_MASK_LINE2 | \
+					 SOUND_MASK_MIC | \
+					 SOUND_MASK_LINE | SOUND_MASK_SPEAKER | \
+					 SOUND_MASK_IGAIN | \
+					 SOUND_MASK_PCM | SOUND_MASK_IMIX)
+
+#define MODE2_REC_DEVICES		(SOUND_MASK_LINE | SOUND_MASK_MIC | \
+					 SOUND_MASK_LINE1|SOUND_MASK_IMIX)
+
+struct mixer_def
+{
+  unsigned int regno;
+  unsigned int polarity;	/* 0=normal, 1=reversed */
+  unsigned int bitpos;
+  unsigned int nbits;
+  unsigned int mutepos;
+};
+
+typedef struct mixer_def mixer_ent;
+typedef mixer_ent mixer_ents[2];
+
+/*
+ * Most of the mixer entries work in backwards. Setting the polarity field
+ * makes them to work correctly.
+ *
+ * The channel numbering used by individual soundcards is not fixed. Some
+ * cards have assigned different meanings for the AUX1, AUX2 and LINE inputs.
+ * The current version doesn't try to compensate this.
+ */
+
+#define MIX_ENT(name, reg_l, pola_l, pos_l, len_l, reg_r, pola_r, pos_r, len_r, mute_bit)	\
+	{{reg_l, pola_l, pos_l, len_l}, {reg_r, pola_r, pos_r, len_r, mute_bit}}
+
+static mixer_ents cs4231_mix_devices[32] = {
+  MIX_ENT (SOUND_MIXER_VOLUME, 27, 1, 0, 4, 29, 1, 0, 4, 7),
+  MIX_ENT (SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8),
+  MIX_ENT (SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8),
+  MIX_ENT (SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7),
+  MIX_ENT (SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7),
+  MIX_ENT (SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8),
+  MIX_ENT (SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7),
+  MIX_ENT (SOUND_MIXER_MIC, 0, 0, 5, 1, 1, 0, 5, 1, 8),
+  MIX_ENT (SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7),
+  MIX_ENT (SOUND_MIXER_IMIX, 13, 1, 2, 6, 0, 0, 0, 0, 8),
+  MIX_ENT (SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8),
+  MIX_ENT (SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8),
+  MIX_ENT (SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8),
+  MIX_ENT (SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8),
+  MIX_ENT (SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7),
+  MIX_ENT (SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7),
+  MIX_ENT (SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7)
+};
+
+static int default_mixer_levels[32] = {
+  0x3232,			/* Master Volume */
+  0x3232,			/* Bass */
+  0x3232,			/* Treble */
+  0x4b4b,			/* FM */
+  0x3232,			/* PCM */
+  0x1515,			/* PC Speaker */
+  0x2020,			/* Line in */
+  0x2020,			/* Mic */
+  0x4b4b,			/* CD */
+  0x0000,			/* Recording monitor */
+  0x4b4b,			/* Second PCM */
+  0x4b4b,			/* Recording level */
+  0x0000,			/* Input gain */
+  0x4b4b,			/* Output gain */
+  0x2020,			/* Line1 */
+  0x2020,			/* Line2 */
+  0x1515			/* Line3 (usually line in) */
+};
+
+#define LEFT_CHN	0
+#define RIGHT_CHN	1
+
+/*
+ * Channel enable bits for ioctl(SOUND_MIXER_PRIVATE1)
+ */
+
+#ifndef AUDIO_SPEAKER
+#define	AUDIO_SPEAKER		0x01	/* Enable mono output */
+#define	AUDIO_HEADPHONE		0x02	/* Sparc only */
+#define	AUDIO_LINE_OUT		0x04	/* Sparc only */
+#endif