sound/oss/emu10k1/recmgr.c

   1 /*
   2  **********************************************************************
   3  *     recmgr.c -- Recording manager for emu10k1 driver
   4  *     Copyright 1999, 2000 Creative Labs, Inc.
   5  *
   6  **********************************************************************
   7  *
   8  *     Date                 Author          Summary of changes
   9  *     ----                 ------          ------------------
  10  *     October 20, 1999     Bertrand Lee    base code release
  11  *
  12  **********************************************************************
  13  *
  14  *     This program is free software; you can redistribute it and/or
  15  *     modify it under the terms of the GNU General Public License as
  16  *     published by the Free Software Foundation; either version 2 of
  17  *     the License, or (at your option) any later version.
  18  *
  19  *     This program is distributed in the hope that it will be useful,
  20  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *     GNU General Public License for more details.
  23  *
  24  *     You should have received a copy of the GNU General Public
  25  *     License along with this program; if not, write to the Free
  26  *     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
  27  *     USA.
  28  *
  29  **********************************************************************
  30  */
  31
  32 #include <asm/delay.h>
  33 #include "8010.h"
  34 #include "recmgr.h"
  35
  36 void emu10k1_reset_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
  37 {
  38         DPF(2, "emu10k1_reset_record()\n");
  39
  40         sblive_writeptr(card, buffer->sizereg, 0, ADCBS_BUFSIZE_NONE);
  41
  42         sblive_writeptr(card, buffer->sizereg, 0, buffer->sizeregval);
  43
  44         while (sblive_readptr(card, buffer->idxreg, 0))
  45                 udelay(5);
  46 }
  47
  48 void emu10k1_start_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
  49 {
  50         DPF(2, "emu10k1_start_record()\n");
  51
  52         if (buffer->adcctl)
  53                 sblive_writeptr(card, ADCCR, 0, buffer->adcctl);
  54 }
  55
  56 void emu10k1_stop_record(struct emu10k1_card *card, struct wavein_buffer *buffer)
  57 {
  58         DPF(2, "emu10k1_stop_record()\n");
  59
  60         /* Disable record transfer */
  61         if (buffer->adcctl)
  62                 sblive_writeptr(card, ADCCR, 0, 0);
  63 }
  64
  65 void emu10k1_set_record_src(struct emu10k1_card *card, struct wiinst *wiinst)
  66 {
  67         struct wavein_buffer *buffer = &wiinst->buffer;
  68
  69         DPF(2, "emu10k1_set_record_src()\n");
  70
  71         switch (wiinst->recsrc) {
  72
  73         case WAVERECORD_AC97:
  74                 DPF(2, "recording source: AC97\n");
  75                 buffer->sizereg = ADCBS;
  76                 buffer->addrreg = ADCBA;
  77                 buffer->idxreg = card->is_audigy ? A_ADCIDX_IDX : ADCIDX_IDX;
  78
  79                 switch (wiinst->format.samplingrate) {
  80                 case 0xBB80:
  81                         buffer->adcctl = ADCCR_SAMPLERATE_48;
  82                         break;
  83                 case 0xAC44:
  84                         buffer->adcctl = ADCCR_SAMPLERATE_44;
  85                         break;
  86                 case 0x7D00:
  87                         buffer->adcctl = ADCCR_SAMPLERATE_32;
  88                         break;
  89                 case 0x5DC0:
  90                         buffer->adcctl = ADCCR_SAMPLERATE_24;
  91                         break;
  92                 case 0x5622:
  93                         buffer->adcctl = ADCCR_SAMPLERATE_22;
  94                         break;
  95                 case 0x3E80:
  96                         buffer->adcctl = ADCCR_SAMPLERATE_16;
  97                         break;
  98                 // FIXME: audigy supports 12kHz recording
  99                 /*
 100                 case ????:
 101                         buffer->adcctl = A_ADCCR_SAMPLERATE_12;
 102                         break;
 103                 */
 104                 case 0x2B11:
 105                         buffer->adcctl = card->is_audigy ? A_ADCCR_SAMPLERATE_11 : ADCCR_SAMPLERATE_11;
 106                         break;
 107                 case 0x1F40:
 108                         buffer->adcctl = card->is_audigy ? A_ADCCR_SAMPLERATE_8 : ADCCR_SAMPLERATE_8;
 109                         break;
 110                 default:
 111                         BUG();
 112                         break;
 113                 }
 114
 115                 buffer->adcctl |= card->is_audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 116
 117                 if (wiinst->format.channels == 2)
 118                         buffer->adcctl |= card->is_audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 119
 120                 break;
 121
 122         case WAVERECORD_MIC:
 123                 DPF(2, "recording source: MIC\n");
 124                 buffer->sizereg = MICBS;
 125                 buffer->addrreg = MICBA;
 126                 buffer->idxreg = MICIDX_IDX;
 127                 buffer->adcctl = 0;
 128                 break;
 129
 130         case WAVERECORD_FX:
 131                 DPF(2, "recording source: FX\n");
 132                 buffer->sizereg = FXBS;
 133                 buffer->addrreg = FXBA;
 134                 buffer->idxreg = FXIDX_IDX;
 135                 buffer->adcctl = 0;
 136
 137                 sblive_writeptr(card, FXWC, 0, wiinst->fxwc);
 138                 break;
 139         default:
 140                 BUG();
 141                 break;
 142         }
 143
 144         DPD(2, "bus addx: %#lx\n", (unsigned long) buffer->dma_handle);
 145
 146         sblive_writeptr(card, buffer->addrreg, 0, (u32)buffer->dma_handle);
 147 }