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-rw-r--r--sound/oss/msnd.c413
1 files changed, 0 insertions, 413 deletions
diff --git a/sound/oss/msnd.c b/sound/oss/msnd.c
deleted file mode 100644
index b63010ad22f1..000000000000
--- a/sound/oss/msnd.c
+++ /dev/null
@@ -1,413 +0,0 @@
-/*********************************************************************
- *
- * msnd.c - Driver Base
- *
- * Turtle Beach MultiSound Sound Card Driver for Linux
- *
- * Copyright (C) 1998 Andrew Veliath
- *
- * 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/module.h>
-#include <linux/kernel.h>
-#include <linux/vmalloc.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-
-#include <asm/io.h>
-#include <linux/uaccess.h>
-#include <linux/spinlock.h>
-#include <asm/irq.h>
-#include "msnd.h"
-
-#define LOGNAME "msnd"
-
-#define MSND_MAX_DEVS 4
-
-static multisound_dev_t *devs[MSND_MAX_DEVS];
-static int num_devs;
-
-int msnd_register(multisound_dev_t *dev)
-{
- int i;
-
- for (i = 0; i < MSND_MAX_DEVS; ++i)
- if (devs[i] == NULL)
- break;
-
- if (i == MSND_MAX_DEVS)
- return -ENOMEM;
-
- devs[i] = dev;
- ++num_devs;
- return 0;
-}
-
-void msnd_unregister(multisound_dev_t *dev)
-{
- int i;
-
- for (i = 0; i < MSND_MAX_DEVS; ++i)
- if (devs[i] == dev)
- break;
-
- if (i == MSND_MAX_DEVS) {
- printk(KERN_WARNING LOGNAME ": Unregistering unknown device\n");
- return;
- }
-
- devs[i] = NULL;
- --num_devs;
-}
-
-void msnd_init_queue(void __iomem *base, int start, int size)
-{
- writew(PCTODSP_BASED(start), base + JQS_wStart);
- writew(PCTODSP_OFFSET(size) - 1, base + JQS_wSize);
- writew(0, base + JQS_wHead);
- writew(0, base + JQS_wTail);
-}
-
-void msnd_fifo_init(msnd_fifo *f)
-{
- f->data = NULL;
-}
-
-void msnd_fifo_free(msnd_fifo *f)
-{
- vfree(f->data);
- f->data = NULL;
-}
-
-int msnd_fifo_alloc(msnd_fifo *f, size_t n)
-{
- msnd_fifo_free(f);
- f->data = vmalloc(n);
- f->n = n;
- f->tail = 0;
- f->head = 0;
- f->len = 0;
-
- if (!f->data)
- return -ENOMEM;
-
- return 0;
-}
-
-void msnd_fifo_make_empty(msnd_fifo *f)
-{
- f->len = f->tail = f->head = 0;
-}
-
-int msnd_fifo_write_io(msnd_fifo *f, char __iomem *buf, size_t len)
-{
- int count = 0;
-
- while ((count < len) && (f->len != f->n)) {
-
- int nwritten;
-
- if (f->head <= f->tail) {
- nwritten = len - count;
- if (nwritten > f->n - f->tail)
- nwritten = f->n - f->tail;
- }
- else {
- nwritten = f->head - f->tail;
- if (nwritten > len - count)
- nwritten = len - count;
- }
-
- memcpy_fromio(f->data + f->tail, buf, nwritten);
-
- count += nwritten;
- buf += nwritten;
- f->len += nwritten;
- f->tail += nwritten;
- f->tail %= f->n;
- }
-
- return count;
-}
-
-int msnd_fifo_write(msnd_fifo *f, const char *buf, size_t len)
-{
- int count = 0;
-
- while ((count < len) && (f->len != f->n)) {
-
- int nwritten;
-
- if (f->head <= f->tail) {
- nwritten = len - count;
- if (nwritten > f->n - f->tail)
- nwritten = f->n - f->tail;
- }
- else {
- nwritten = f->head - f->tail;
- if (nwritten > len - count)
- nwritten = len - count;
- }
-
- memcpy(f->data + f->tail, buf, nwritten);
-
- count += nwritten;
- buf += nwritten;
- f->len += nwritten;
- f->tail += nwritten;
- f->tail %= f->n;
- }
-
- return count;
-}
-
-int msnd_fifo_read_io(msnd_fifo *f, char __iomem *buf, size_t len)
-{
- int count = 0;
-
- while ((count < len) && (f->len > 0)) {
-
- int nread;
-
- if (f->tail <= f->head) {
- nread = len - count;
- if (nread > f->n - f->head)
- nread = f->n - f->head;
- }
- else {
- nread = f->tail - f->head;
- if (nread > len - count)
- nread = len - count;
- }
-
- memcpy_toio(buf, f->data + f->head, nread);
-
- count += nread;
- buf += nread;
- f->len -= nread;
- f->head += nread;
- f->head %= f->n;
- }
-
- return count;
-}
-
-int msnd_fifo_read(msnd_fifo *f, char *buf, size_t len)
-{
- int count = 0;
-
- while ((count < len) && (f->len > 0)) {
-
- int nread;
-
- if (f->tail <= f->head) {
- nread = len - count;
- if (nread > f->n - f->head)
- nread = f->n - f->head;
- }
- else {
- nread = f->tail - f->head;
- if (nread > len - count)
- nread = len - count;
- }
-
- memcpy(buf, f->data + f->head, nread);
-
- count += nread;
- buf += nread;
- f->len -= nread;
- f->head += nread;
- f->head %= f->n;
- }
-
- return count;
-}
-
-static int msnd_wait_TXDE(multisound_dev_t *dev)
-{
- register unsigned int io = dev->io;
- register int timeout = 1000;
-
- while(timeout-- > 0)
- if (msnd_inb(io + HP_ISR) & HPISR_TXDE)
- return 0;
-
- return -EIO;
-}
-
-static int msnd_wait_HC0(multisound_dev_t *dev)
-{
- register unsigned int io = dev->io;
- register int timeout = 1000;
-
- while(timeout-- > 0)
- if (!(msnd_inb(io + HP_CVR) & HPCVR_HC))
- return 0;
-
- return -EIO;
-}
-
-int msnd_send_dsp_cmd(multisound_dev_t *dev, BYTE cmd)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&dev->lock, flags);
- if (msnd_wait_HC0(dev) == 0) {
- msnd_outb(cmd, dev->io + HP_CVR);
- spin_unlock_irqrestore(&dev->lock, flags);
- return 0;
- }
- spin_unlock_irqrestore(&dev->lock, flags);
-
- printk(KERN_DEBUG LOGNAME ": Send DSP command timeout\n");
-
- return -EIO;
-}
-
-int msnd_send_word(multisound_dev_t *dev, unsigned char high,
- unsigned char mid, unsigned char low)
-{
- register unsigned int io = dev->io;
-
- if (msnd_wait_TXDE(dev) == 0) {
- msnd_outb(high, io + HP_TXH);
- msnd_outb(mid, io + HP_TXM);
- msnd_outb(low, io + HP_TXL);
- return 0;
- }
-
- printk(KERN_DEBUG LOGNAME ": Send host word timeout\n");
-
- return -EIO;
-}
-
-int msnd_upload_host(multisound_dev_t *dev, char *bin, int len)
-{
- int i;
-
- if (len % 3 != 0) {
- printk(KERN_WARNING LOGNAME ": Upload host data not multiple of 3!\n");
- return -EINVAL;
- }
-
- for (i = 0; i < len; i += 3)
- if (msnd_send_word(dev, bin[i], bin[i + 1], bin[i + 2]) != 0)
- return -EIO;
-
- msnd_inb(dev->io + HP_RXL);
- msnd_inb(dev->io + HP_CVR);
-
- return 0;
-}
-
-int msnd_enable_irq(multisound_dev_t *dev)
-{
- unsigned long flags;
-
- if (dev->irq_ref++)
- return 0;
-
- printk(KERN_DEBUG LOGNAME ": Enabling IRQ\n");
-
- spin_lock_irqsave(&dev->lock, flags);
- if (msnd_wait_TXDE(dev) == 0) {
- msnd_outb(msnd_inb(dev->io + HP_ICR) | HPICR_TREQ, dev->io + HP_ICR);
- if (dev->type == msndClassic)
- msnd_outb(dev->irqid, dev->io + HP_IRQM);
- msnd_outb(msnd_inb(dev->io + HP_ICR) & ~HPICR_TREQ, dev->io + HP_ICR);
- msnd_outb(msnd_inb(dev->io + HP_ICR) | HPICR_RREQ, dev->io + HP_ICR);
- enable_irq(dev->irq);
- msnd_init_queue(dev->DSPQ, dev->dspq_data_buff, dev->dspq_buff_size);
- spin_unlock_irqrestore(&dev->lock, flags);
- return 0;
- }
- spin_unlock_irqrestore(&dev->lock, flags);
-
- printk(KERN_DEBUG LOGNAME ": Enable IRQ failed\n");
-
- return -EIO;
-}
-
-int msnd_disable_irq(multisound_dev_t *dev)
-{
- unsigned long flags;
-
- if (--dev->irq_ref > 0)
- return 0;
-
- if (dev->irq_ref < 0)
- printk(KERN_DEBUG LOGNAME ": IRQ ref count is %d\n", dev->irq_ref);
-
- printk(KERN_DEBUG LOGNAME ": Disabling IRQ\n");
-
- spin_lock_irqsave(&dev->lock, flags);
- if (msnd_wait_TXDE(dev) == 0) {
- msnd_outb(msnd_inb(dev->io + HP_ICR) & ~HPICR_RREQ, dev->io + HP_ICR);
- if (dev->type == msndClassic)
- msnd_outb(HPIRQ_NONE, dev->io + HP_IRQM);
- disable_irq(dev->irq);
- spin_unlock_irqrestore(&dev->lock, flags);
- return 0;
- }
- spin_unlock_irqrestore(&dev->lock, flags);
-
- printk(KERN_DEBUG LOGNAME ": Disable IRQ failed\n");
-
- return -EIO;
-}
-
-#ifndef LINUX20
-EXPORT_SYMBOL(msnd_register);
-EXPORT_SYMBOL(msnd_unregister);
-
-EXPORT_SYMBOL(msnd_init_queue);
-
-EXPORT_SYMBOL(msnd_fifo_init);
-EXPORT_SYMBOL(msnd_fifo_free);
-EXPORT_SYMBOL(msnd_fifo_alloc);
-EXPORT_SYMBOL(msnd_fifo_make_empty);
-EXPORT_SYMBOL(msnd_fifo_write_io);
-EXPORT_SYMBOL(msnd_fifo_read_io);
-EXPORT_SYMBOL(msnd_fifo_write);
-EXPORT_SYMBOL(msnd_fifo_read);
-
-EXPORT_SYMBOL(msnd_send_dsp_cmd);
-EXPORT_SYMBOL(msnd_send_word);
-EXPORT_SYMBOL(msnd_upload_host);
-
-EXPORT_SYMBOL(msnd_enable_irq);
-EXPORT_SYMBOL(msnd_disable_irq);
-#endif
-
-#ifdef MODULE
-MODULE_AUTHOR ("Andrew Veliath <andrewtv@usa.net>");
-MODULE_DESCRIPTION ("Turtle Beach MultiSound Driver Base");
-MODULE_LICENSE("GPL");
-
-
-int init_module(void)
-{
- return 0;
-}
-
-void cleanup_module(void)
-{
-}
-#endif
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