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Diffstat (limited to 'sound/oss/emu10k1/cardwi.c')
-rw-r--r--sound/oss/emu10k1/cardwi.c384
1 files changed, 0 insertions, 384 deletions
diff --git a/sound/oss/emu10k1/cardwi.c b/sound/oss/emu10k1/cardwi.c
deleted file mode 100644
index 060d1be94d3..00000000000
--- a/sound/oss/emu10k1/cardwi.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/*
- **********************************************************************
- * cardwi.c - PCM input HAL for emu10k1 driver
- * Copyright 1999, 2000 Creative Labs, Inc.
- *
- **********************************************************************
- *
- * Date Author Summary of changes
- * ---- ------ ------------------
- * October 20, 1999 Bertrand Lee base code release
- *
- **********************************************************************
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
- * USA.
- *
- **********************************************************************
- */
-
-#include <linux/poll.h>
-#include "hwaccess.h"
-#include "timer.h"
-#include "recmgr.h"
-#include "audio.h"
-#include "cardwi.h"
-
-/**
- * query_format - returns a valid sound format
- *
- * This function will return a valid sound format as close
- * to the requested one as possible.
- */
-static void query_format(int recsrc, struct wave_format *wave_fmt)
-{
-
- switch (recsrc) {
- case WAVERECORD_AC97:
-
- if ((wave_fmt->channels != 1) && (wave_fmt->channels != 2))
- wave_fmt->channels = 2;
-
- if (wave_fmt->samplingrate >= (0xBB80 + 0xAC44) / 2)
- wave_fmt->samplingrate = 0xBB80;
- else if (wave_fmt->samplingrate >= (0xAC44 + 0x7D00) / 2)
- wave_fmt->samplingrate = 0xAC44;
- else if (wave_fmt->samplingrate >= (0x7D00 + 0x5DC0) / 2)
- wave_fmt->samplingrate = 0x7D00;
- else if (wave_fmt->samplingrate >= (0x5DC0 + 0x5622) / 2)
- wave_fmt->samplingrate = 0x5DC0;
- else if (wave_fmt->samplingrate >= (0x5622 + 0x3E80) / 2)
- wave_fmt->samplingrate = 0x5622;
- else if (wave_fmt->samplingrate >= (0x3E80 + 0x2B11) / 2)
- wave_fmt->samplingrate = 0x3E80;
- else if (wave_fmt->samplingrate >= (0x2B11 + 0x1F40) / 2)
- wave_fmt->samplingrate = 0x2B11;
- else
- wave_fmt->samplingrate = 0x1F40;
-
- switch (wave_fmt->id) {
- case AFMT_S16_LE:
- wave_fmt->bitsperchannel = 16;
- break;
- case AFMT_U8:
- wave_fmt->bitsperchannel = 8;
- break;
- default:
- wave_fmt->id = AFMT_S16_LE;
- wave_fmt->bitsperchannel = 16;
- break;
- }
-
- break;
-
- /* these can't be changed from the original values */
- case WAVERECORD_MIC:
- case WAVERECORD_FX:
- break;
-
- default:
- BUG();
- break;
- }
-
- wave_fmt->bytesperchannel = wave_fmt->bitsperchannel >> 3;
- wave_fmt->bytespersample = wave_fmt->channels * wave_fmt->bytesperchannel;
- wave_fmt->bytespersec = wave_fmt->bytespersample * wave_fmt->samplingrate;
- wave_fmt->bytespervoicesample = wave_fmt->bytespersample;
-}
-
-static int alloc_buffer(struct emu10k1_card *card, struct wavein_buffer *buffer)
-{
- buffer->addr = pci_alloc_consistent(card->pci_dev, buffer->size * buffer->cov,
- &buffer->dma_handle);
- if (buffer->addr == NULL)
- return -1;
-
- return 0;
-}
-
-static void free_buffer(struct emu10k1_card *card, struct wavein_buffer *buffer)
-{
- if (buffer->addr != NULL)
- pci_free_consistent(card->pci_dev, buffer->size * buffer->cov,
- buffer->addr, buffer->dma_handle);
-}
-
-int emu10k1_wavein_open(struct emu10k1_wavedevice *wave_dev)
-{
- struct emu10k1_card *card = wave_dev->card;
- struct wiinst *wiinst = wave_dev->wiinst;
- struct wiinst **wiinst_tmp = NULL;
- u16 delay;
- unsigned long flags;
-
- DPF(2, "emu10k1_wavein_open()\n");
-
- switch (wiinst->recsrc) {
- case WAVERECORD_AC97:
- wiinst_tmp = &card->wavein.ac97;
- break;
- case WAVERECORD_MIC:
- wiinst_tmp = &card->wavein.mic;
- break;
- case WAVERECORD_FX:
- wiinst_tmp = &card->wavein.fx;
- break;
- default:
- BUG();
- break;
- }
-
- spin_lock_irqsave(&card->lock, flags);
- if (*wiinst_tmp != NULL) {
- spin_unlock_irqrestore(&card->lock, flags);
- return -1;
- }
-
- *wiinst_tmp = wiinst;
- spin_unlock_irqrestore(&card->lock, flags);
-
- /* handle 8 bit recording */
- if (wiinst->format.bytesperchannel == 1) {
- if (wiinst->buffer.size > 0x8000) {
- wiinst->buffer.size = 0x8000;
- wiinst->buffer.sizeregval = 0x1f;
- } else
- wiinst->buffer.sizeregval += 4;
-
- wiinst->buffer.cov = 2;
- } else
- wiinst->buffer.cov = 1;
-
- if (alloc_buffer(card, &wiinst->buffer) < 0) {
- ERROR();
- return -1;
- }
-
- emu10k1_set_record_src(card, wiinst);
-
- emu10k1_reset_record(card, &wiinst->buffer);
-
- wiinst->buffer.hw_pos = 0;
- wiinst->buffer.pos = 0;
- wiinst->buffer.bytestocopy = 0;
-
- delay = (48000 * wiinst->buffer.fragment_size) / wiinst->format.bytespersec;
-
- emu10k1_timer_install(card, &wiinst->timer, delay / 2);
-
- wiinst->state = WAVE_STATE_OPEN;
-
- return 0;
-}
-
-void emu10k1_wavein_close(struct emu10k1_wavedevice *wave_dev)
-{
- struct emu10k1_card *card = wave_dev->card;
- struct wiinst *wiinst = wave_dev->wiinst;
- unsigned long flags;
-
- DPF(2, "emu10k1_wavein_close()\n");
-
- emu10k1_wavein_stop(wave_dev);
-
- emu10k1_timer_uninstall(card, &wiinst->timer);
-
- free_buffer(card, &wiinst->buffer);
-
- spin_lock_irqsave(&card->lock, flags);
- switch (wave_dev->wiinst->recsrc) {
- case WAVERECORD_AC97:
- card->wavein.ac97 = NULL;
- break;
- case WAVERECORD_MIC:
- card->wavein.mic = NULL;
- break;
- case WAVERECORD_FX:
- card->wavein.fx = NULL;
- break;
- default:
- BUG();
- break;
- }
- spin_unlock_irqrestore(&card->lock, flags);
-
- wiinst->state = WAVE_STATE_CLOSED;
-}
-
-void emu10k1_wavein_start(struct emu10k1_wavedevice *wave_dev)
-{
- struct emu10k1_card *card = wave_dev->card;
- struct wiinst *wiinst = wave_dev->wiinst;
-
- DPF(2, "emu10k1_wavein_start()\n");
-
- emu10k1_start_record(card, &wiinst->buffer);
- emu10k1_timer_enable(wave_dev->card, &wiinst->timer);
-
- wiinst->state |= WAVE_STATE_STARTED;
-}
-
-void emu10k1_wavein_stop(struct emu10k1_wavedevice *wave_dev)
-{
- struct emu10k1_card *card = wave_dev->card;
- struct wiinst *wiinst = wave_dev->wiinst;
-
- DPF(2, "emu10k1_wavein_stop()\n");
-
- if (!(wiinst->state & WAVE_STATE_STARTED))
- return;
-
- emu10k1_timer_disable(card, &wiinst->timer);
- emu10k1_stop_record(card, &wiinst->buffer);
-
- wiinst->state &= ~WAVE_STATE_STARTED;
-}
-
-int emu10k1_wavein_setformat(struct emu10k1_wavedevice *wave_dev, struct wave_format *format)
-{
- struct emu10k1_card *card = wave_dev->card;
- struct wiinst *wiinst = wave_dev->wiinst;
- u16 delay;
-
- DPF(2, "emu10k1_wavein_setformat()\n");
-
- if (wiinst->state & WAVE_STATE_STARTED)
- return -1;
-
- query_format(wiinst->recsrc, format);
-
- if ((wiinst->format.samplingrate != format->samplingrate)
- || (wiinst->format.bitsperchannel != format->bitsperchannel)
- || (wiinst->format.channels != format->channels)) {
-
- wiinst->format = *format;
-
- if (wiinst->state == WAVE_STATE_CLOSED)
- return 0;
-
- wiinst->buffer.size *= wiinst->buffer.cov;
-
- if (wiinst->format.bytesperchannel == 1) {
- wiinst->buffer.cov = 2;
- wiinst->buffer.size /= wiinst->buffer.cov;
- } else
- wiinst->buffer.cov = 1;
-
- emu10k1_timer_uninstall(card, &wiinst->timer);
-
- delay = (48000 * wiinst->buffer.fragment_size) / wiinst->format.bytespersec;
-
- emu10k1_timer_install(card, &wiinst->timer, delay / 2);
- }
-
- return 0;
-}
-
-void emu10k1_wavein_getxfersize(struct wiinst *wiinst, u32 * size)
-{
- struct wavein_buffer *buffer = &wiinst->buffer;
-
- *size = buffer->bytestocopy;
-
- if (wiinst->mmapped)
- return;
-
- if (*size > buffer->size) {
- *size = buffer->size;
- buffer->pos = buffer->hw_pos;
- buffer->bytestocopy = buffer->size;
- DPF(1, "buffer overrun\n");
- }
-}
-
-static int copy_block(u8 __user *dst, u8 * src, u32 str, u32 len, u8 cov)
-{
- if (cov == 1) {
- if (__copy_to_user(dst, src + str, len))
- return -EFAULT;
- } else {
- u8 byte;
- u32 i;
-
- src += 1 + 2 * str;
-
- for (i = 0; i < len; i++) {
- byte = src[2 * i] ^ 0x80;
- if (__copy_to_user(dst + i, &byte, 1))
- return -EFAULT;
- }
- }
-
- return 0;
-}
-
-int emu10k1_wavein_xferdata(struct wiinst *wiinst, u8 __user *data, u32 * size)
-{
- struct wavein_buffer *buffer = &wiinst->buffer;
- u32 sizetocopy, sizetocopy_now, start;
- unsigned long flags;
- int ret;
-
- sizetocopy = min_t(u32, buffer->size, *size);
- *size = sizetocopy;
-
- if (!sizetocopy)
- return 0;
-
- spin_lock_irqsave(&wiinst->lock, flags);
- start = buffer->pos;
- buffer->pos += sizetocopy;
- buffer->pos %= buffer->size;
- buffer->bytestocopy -= sizetocopy;
- sizetocopy_now = buffer->size - start;
-
- spin_unlock_irqrestore(&wiinst->lock, flags);
-
- if (sizetocopy > sizetocopy_now) {
- sizetocopy -= sizetocopy_now;
-
- ret = copy_block(data, buffer->addr, start, sizetocopy_now,
- buffer->cov);
- if (ret == 0)
- ret = copy_block(data + sizetocopy_now, buffer->addr, 0,
- sizetocopy, buffer->cov);
- } else {
- ret = copy_block(data, buffer->addr, start, sizetocopy,
- buffer->cov);
- }
-
- return ret;
-}
-
-void emu10k1_wavein_update(struct emu10k1_card *card, struct wiinst *wiinst)
-{
- u32 hw_pos;
- u32 diff;
-
- /* There is no actual start yet */
- if (!(wiinst->state & WAVE_STATE_STARTED)) {
- hw_pos = wiinst->buffer.hw_pos;
- } else {
- /* hw_pos in byte units */
- hw_pos = sblive_readptr(card, wiinst->buffer.idxreg, 0) / wiinst->buffer.cov;
- }
-
- diff = (wiinst->buffer.size + hw_pos - wiinst->buffer.hw_pos) % wiinst->buffer.size;
- wiinst->total_recorded += diff;
- wiinst->buffer.bytestocopy += diff;
-
- wiinst->buffer.hw_pos = hw_pos;
-}
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