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Diffstat (limited to 'sound/pci/au88x0/au88x0_eq.h')
-rw-r--r--sound/pci/au88x0/au88x0_eq.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/sound/pci/au88x0/au88x0_eq.h b/sound/pci/au88x0/au88x0_eq.h
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+++ b/sound/pci/au88x0/au88x0_eq.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef AU88X0_EQ_H
+#define AU88X0_EQ_H
+
+/***************************************************************************
+ * au88x0_eq.h
+ *
+ * Definitions and constant data for the Aureal Hardware EQ.
+ *
+ * Sun Jun 8 18:23:38 2003
+ * Author: Manuel Jander (mjander@users.sourceforge.net)
+ ****************************************************************************/
+
+typedef struct {
+ u16 LeftCoefs[50]; //0x4
+ u16 RightCoefs[50]; // 0x68
+ u16 LeftGains[10]; //0xd0
+ u16 RightGains[10]; //0xe4
+} auxxEqCoeffSet_t;
+
+typedef struct {
+ s32 this04; /* How many filters for each side (default = 10) */
+ s32 this08; /* inited to cero. Stereo flag? */
+} eqhw_t;
+
+typedef struct {
+ eqhw_t this04; /* CHwEq */
+ u16 this08; /* Bad codec flag ? SetBypassGain: bypass gain */
+ u16 this0a;
+ u16 this0c; /* SetBypassGain: bypass gain when this28 is not set. */
+ u16 this0e;
+
+ s32 this10; /* How many gains are used for each side (right or left). */
+ u16 this14_array[10]; /* SetLeftGainsTarget: Left (and right?) EQ gains */
+ s32 this28; /* flag related to EQ enabled or not. Gang flag ? */
+ s32 this54; /* SetBypass */
+ s32 this58;
+ s32 this5c;
+ /*0x60 */ auxxEqCoeffSet_t coefset;
+ /* 50 u16 word each channel. */
+ u16 this130[20]; /* Left and Right gains */
+} eqlzr_t;
+
+#endif