Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | } |