source: sbliveos2/trunk/sblive/recmgr.c

Last change on this file was 142, checked in by ktk, 25 years ago

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[142]1/* $Id: recmgr.c 142 2000-04-23 14:55:46Z ktk $ */
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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