1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /***************************************************************************
3  *            au88x0_cxtalk.h
4  *
5  *  Wed Nov 19 19:07:17 2003
6  *  Copyright  2003  mjander
7  *  mjander@users.sourceforge.org
8  ****************************************************************************/
9 
10 /*
11  */
12 
13 /* The crosstalk canceler supports 5 stereo input channels. The result is
14    available at one single output route pair (stereo). */
15 
16 #ifndef _AU88X0_CXTALK_H
17 #define _AU88X0_CXTALK_H
18 
19 #include "au88x0.h"
20 
21 #define XTDLINE_SZ 32
22 #define XTGAINS_SZ 10
23 #define XTINST_SZ 4
24 
25 #define XT_HEADPHONE	1
26 #define XT_SPEAKER0		2
27 #define XT_SPEAKER1		3
28 #define XT_DIAMOND		4
29 
30 typedef u32 xtalk_dline_t[XTDLINE_SZ];
31 typedef u16 xtalk_gains_t[XTGAINS_SZ];
32 typedef u16 xtalk_instate_t[XTINST_SZ];
33 typedef u16 xtalk_coefs_t[5][5];
34 typedef u16 xtalk_state_t[5][4];
35 
36 static void vortex_XtalkHw_SetGains(vortex_t * vortex,
37 				    xtalk_gains_t const gains);
38 static void vortex_XtalkHw_SetGainsAllChan(vortex_t * vortex);
39 static void vortex_XtalkHw_SetSampleRate(vortex_t * vortex, u32 sr);
40 static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
41 static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
42 static void vortex_XtalkHw_ProgramXtalkWide(vortex_t * vortex);
43 static void vortex_XtalkHw_ProgramXtalkNarrow(vortex_t * vortex);
44 static void vortex_XtalkHw_ProgramDiamondXtalk(vortex_t * vortex);
45 static void vortex_XtalkHw_Enable(vortex_t * vortex);
46 static void vortex_XtalkHw_Disable(vortex_t * vortex);
47 static void vortex_XtalkHw_init(vortex_t * vortex);
48 
49 #endif				/* _AU88X0_CXTALK_H */
50