source: cmedia/trunk/Sblive/recmgr.c@ 354

Last change on this file since 354 was 354, checked in by stevenhl, 17 years ago

Import untested baseline cmedia sources, work products and binaries
Binaries and work products should be deleted from repository.
once new builds are verified to work.
File size: 3.7 KB
Line 
1/* $Id: recmgr.c,v 1.1 2000/04/23 14:55:45 ktk Exp $ */
2
3
4/*
5 **********************************************************************
6 * recmgr.c -- Recording manager for emu10k1 driver
7 * Copyright 1999, 2000 Creative Labs, Inc.
8 *
9 **********************************************************************
10 *
11 * Date Author Summary of changes
12 * ---- ------ ------------------
13 * October 20, 1999 Bertrand Lee base code release
14 *
15 **********************************************************************
16 *
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License as
19 * published by the Free Software Foundation; either version 2 of
20 * the License, or (at your option) any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public
28 * License along with this program; if not, write to the Free
29 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
30 * USA.
31 *
32 **********************************************************************
33 */
34
35#include "hwaccess.h"
36#include "recmgr.h"
37
38void emu10k1_start_record(struct record *rec_ptr)
39{
40 struct emu10k1_card *hw_ptr = rec_ptr->card;
41
42 DPF(2, "emu10k1_start_record()\n");
43 DPD(2, "bus addx: %lx\n", rec_ptr->busaddx);
44
45 sblive_writeptr(hw_ptr, rec_ptr->bufaddrreg, 0, rec_ptr->busaddx);
46 sblive_writeptr(hw_ptr, rec_ptr->bufsizereg, 0, rec_ptr->bufsize);
47
48 if (rec_ptr->adcctl)
49 sblive_writeptr(hw_ptr, ADCCR, 0, rec_ptr->adcctl);
50
51 return;
52}
53
54void emu10k1_stop_record(struct record *rec_ptr)
55{
56 struct emu10k1_card *hw_ptr = rec_ptr->card;
57
58 DPF(2, "emu10k1_stop_record()\n");
59
60 /* Disable record transfer */
61 if (rec_ptr->adcctl)
62 sblive_writeptr(hw_ptr, ADCCR, 0, 0);
63
64 sblive_writeptr(hw_ptr, rec_ptr->bufsizereg, 0, ADCBS_BUFSIZE_NONE);
65
66 return;
67}
68
69void emu10k1_set_record_src(struct record *rec_ptr, u8 recsrc)
70{
71 DPF(2, "emu10k1_set_record_src()\n");
72
73 switch (recsrc) {
74
75 case WAVERECORD_AC97:
76 DPF(2, "recording source: AC97\n");
77 rec_ptr->bufsizereg = ADCBS;
78 rec_ptr->bufaddrreg = ADCBA;
79 rec_ptr->bufidxreg = ADCIDX_IDX;
80
81 switch (rec_ptr->samplingrate) {
82 case 0xBB80:
83 rec_ptr->adcctl = ADCCR_SAMPLERATE_48;
84 break;
85 case 0xAC44:
86 rec_ptr->adcctl = ADCCR_SAMPLERATE_44;
87 break;
88 case 0x7D00:
89 rec_ptr->adcctl = ADCCR_SAMPLERATE_32;
90 break;
91 case 0x5DC0:
92 rec_ptr->adcctl = ADCCR_SAMPLERATE_24;
93 break;
94 case 0x5622:
95 rec_ptr->adcctl = ADCCR_SAMPLERATE_22;
96 break;
97 case 0x3E80:
98 rec_ptr->adcctl = ADCCR_SAMPLERATE_16;
99 break;
100 case 0x2B11:
101 rec_ptr->adcctl = ADCCR_SAMPLERATE_11;
102 break;
103 case 0x1F40:
104 rec_ptr->adcctl = ADCCR_SAMPLERATE_8;
105 break;
106 default:
107 break;
108 }
109
110 rec_ptr->adcctl |= ADCCR_LCHANENABLE;
111
112 if (rec_ptr->is_stereo)
113 rec_ptr->adcctl |= ADCCR_RCHANENABLE;
114
115 // rec_ptr->fxwc = 0;
116
117 break;
118
119 case WAVERECORD_MIC:
120 DPF(2, "recording source: MIC\n");
121 rec_ptr->bufsizereg = MICBS;
122 rec_ptr->bufaddrreg = MICBA;
123 rec_ptr->bufidxreg = MICIDX_IDX;
124 rec_ptr->adcctl = 0;
125 // rec_ptr->fxwc = 0;
126 break;
127
128 case WAVERECORD_FX:
129 DPF(2, "recording source: FX\n");
130 rec_ptr->bufsizereg = FXBS;
131 rec_ptr->bufaddrreg = FXBA;
132 rec_ptr->bufidxreg = FXIDX_IDX;
133 rec_ptr->adcctl = 0;
134 // rec_ptr->fxwc = 0x000ffff;
135 break;
136 default:
137 break;
138 }
139
140 return;
141}
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