1 files changed, 0 insertions, 733 deletions

diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c
deleted file mode 100644
index 4391062e5cfd..000000000000
--- a/sound/oss/soundcard.c
+++ /dev/null
@@ -1,733 +0,0 @@
-/*
- * linux/sound/oss/soundcard.c
- *
- * Sound card driver for Linux
- *
- *
- * Copyright (C) by Hannu Savolainen 1993-1997
- *
- * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
- * Version 2 (June 1991). See the "COPYING" file distributed with this software
- * for more info.
- *
- *
- * Thomas Sailer     : ioctl code reworked (vmalloc/vfree removed)
- *                   integrated sound_switch.c
- * Stefan Reinauer   : integrated /proc/sound (equals to /dev/sndstat,
- *                   which should disappear in the near future)
- * Eric Dumas	     : devfs support (22-Jan-98) <dumas@linux.eu.org> with
- *                   fixups by C. Scott Ananian <cananian@alumni.princeton.edu>
- * Richard Gooch     : moved common (non OSS-specific) devices to sound_core.c
- * Rob Riggs	     : Added persistent DMA buffers support (1998/10/17)
- * Christoph Hellwig : Some cleanup work (2000/03/01)
- */
-
-
-#include "sound_config.h"
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/fcntl.h>
-#include <linux/ctype.h>
-#include <linux/stddef.h>
-#include <linux/kmod.h>
-#include <linux/kernel.h>
-#include <asm/dma.h>
-#include <asm/io.h>
-#include <linux/wait.h>
-#include <linux/ioport.h>
-#include <linux/major.h>
-#include <linux/delay.h>
-#include <linux/proc_fs.h>
-#include <linux/mutex.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/device.h>
-
-/*
- * This ought to be moved into include/asm/dma.h
- */
-#ifndef valid_dma
-#define valid_dma(n) ((n) >= 0 && (n) < MAX_DMA_CHANNELS && (n) != 4)
-#endif
-
-/*
- * Table for permanently allocated memory (used when unloading the module)
- */
-void *          sound_mem_blocks[MAX_MEM_BLOCKS];
-static DEFINE_MUTEX(soundcard_mutex);
-int             sound_nblocks = 0;
-
-/* Persistent DMA buffers */
-#ifdef CONFIG_SOUND_DMAP
-int             sound_dmap_flag = 1;
-#else
-int             sound_dmap_flag = 0;
-#endif
-
-static char     dma_alloc_map[MAX_DMA_CHANNELS];
-
-#define DMA_MAP_UNAVAIL		0
-#define DMA_MAP_FREE		1
-#define DMA_MAP_BUSY		2
-
-
-unsigned long seq_time = 0;	/* Time for /dev/sequencer */
-extern struct class *sound_class;
-
-/*
- * Table for configurable mixer volume handling
- */
-static mixer_vol_table mixer_vols[MAX_MIXER_DEV];
-static int num_mixer_volumes;
-
-int *load_mixer_volumes(char *name, int *levels, int present)
-{
-	int             i, n;
-
-	for (i = 0; i < num_mixer_volumes; i++) {
-		if (strncmp(name, mixer_vols[i].name, 32) == 0) {
-			if (present)
-				mixer_vols[i].num = i;
-			return mixer_vols[i].levels;
-		}
-	}
-	if (num_mixer_volumes >= MAX_MIXER_DEV) {
-		printk(KERN_ERR "Sound: Too many mixers (%s)\n", name);
-		return levels;
-	}
-	n = num_mixer_volumes++;
-
-	strncpy(mixer_vols[n].name, name, 32);
-
-	if (present)
-		mixer_vols[n].num = n;
-	else
-		mixer_vols[n].num = -1;
-
-	for (i = 0; i < 32; i++)
-		mixer_vols[n].levels[i] = levels[i];
-	return mixer_vols[n].levels;
-}
-EXPORT_SYMBOL(load_mixer_volumes);
-
-static int set_mixer_levels(void __user * arg)
-{
-        /* mixer_vol_table is 174 bytes, so IMHO no reason to not allocate it on the stack */
-	mixer_vol_table buf;   
-
-	if (__copy_from_user(&buf, arg, sizeof(buf)))
-		return -EFAULT;
-	load_mixer_volumes(buf.name, buf.levels, 0);
-	if (__copy_to_user(arg, &buf, sizeof(buf)))
-		return -EFAULT;
-	return 0;
-}
-
-static int get_mixer_levels(void __user * arg)
-{
-	int n;
-
-	if (__get_user(n, (int __user *)(&(((mixer_vol_table __user *)arg)->num))))
-		return -EFAULT;
-	if (n < 0 || n >= num_mixer_volumes)
-		return -EINVAL;
-	if (__copy_to_user(arg, &mixer_vols[n], sizeof(mixer_vol_table)))
-		return -EFAULT;
-	return 0;
-}
-
-/* 4K page size but our output routines use some slack for overruns */
-#define PROC_BLOCK_SIZE (3*1024)
-
-static ssize_t sound_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
-{
-	int dev = iminor(file_inode(file));
-	int ret = -EINVAL;
-
-	/*
-	 *	The OSS drivers aren't remotely happy without this locking,
-	 *	and unless someone fixes them when they are about to bite the
-	 *	big one anyway, we might as well bandage here..
-	 */
-	 
-	mutex_lock(&soundcard_mutex);
-	
-	switch (dev & 0x0f) {
-	case SND_DEV_DSP:
-	case SND_DEV_DSP16:
-	case SND_DEV_AUDIO:
-		ret = audio_read(dev, file, buf, count);
-		break;
-
-	case SND_DEV_SEQ:
-	case SND_DEV_SEQ2:
-		ret = sequencer_read(dev, file, buf, count);
-		break;
-
-	case SND_DEV_MIDIN:
-		ret = MIDIbuf_read(dev, file, buf, count);
-	}
-	mutex_unlock(&soundcard_mutex);
-	return ret;
-}
-
-static ssize_t sound_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
-{
-	int dev = iminor(file_inode(file));
-	int ret = -EINVAL;
-	
-	mutex_lock(&soundcard_mutex);
-	switch (dev & 0x0f) {
-	case SND_DEV_SEQ:
-	case SND_DEV_SEQ2:
-		ret =  sequencer_write(dev, file, buf, count);
-		break;
-
-	case SND_DEV_DSP:
-	case SND_DEV_DSP16:
-	case SND_DEV_AUDIO:
-		ret = audio_write(dev, file, buf, count);
-		break;
-
-	case SND_DEV_MIDIN:
-		ret =  MIDIbuf_write(dev, file, buf, count);
-		break;
-	}
-	mutex_unlock(&soundcard_mutex);
-	return ret;
-}
-
-static int sound_open(struct inode *inode, struct file *file)
-{
-	int dev = iminor(inode);
-	int retval;
-
-	if ((dev >= SND_NDEVS) || (dev < 0)) {
-		printk(KERN_ERR "Invalid minor device %d\n", dev);
-		return -ENXIO;
-	}
-	mutex_lock(&soundcard_mutex);
-	switch (dev & 0x0f) {
-	case SND_DEV_CTL:
-		dev >>= 4;
-		if (dev >= 0 && dev < MAX_MIXER_DEV && mixer_devs[dev] == NULL) {
-			request_module("mixer%d", dev);
-		}
-		retval = -ENXIO;
-		if (dev && (dev >= num_mixers || mixer_devs[dev] == NULL))
-			break;
-	
-		if (!try_module_get(mixer_devs[dev]->owner))
-			break;
-
-		retval = 0;
-		break;
-
-	case SND_DEV_SEQ:
-	case SND_DEV_SEQ2:
-		retval = sequencer_open(dev, file);
-		break;
-
-	case SND_DEV_MIDIN:
-		retval = MIDIbuf_open(dev, file);
-		break;
-
-	case SND_DEV_DSP:
-	case SND_DEV_DSP16:
-	case SND_DEV_AUDIO:
-		retval = audio_open(dev, file);
-		break;
-
-	default:
-		printk(KERN_ERR "Invalid minor device %d\n", dev);
-		retval = -ENXIO;
-	}
-
-	mutex_unlock(&soundcard_mutex);
-	return retval;
-}
-
-static int sound_release(struct inode *inode, struct file *file)
-{
-	int dev = iminor(inode);
-
-	mutex_lock(&soundcard_mutex);
-	switch (dev & 0x0f) {
-	case SND_DEV_CTL:
-		module_put(mixer_devs[dev >> 4]->owner);
-		break;
-		
-	case SND_DEV_SEQ:
-	case SND_DEV_SEQ2:
-		sequencer_release(dev, file);
-		break;
-
-	case SND_DEV_MIDIN:
-		MIDIbuf_release(dev, file);
-		break;
-
-	case SND_DEV_DSP:
-	case SND_DEV_DSP16:
-	case SND_DEV_AUDIO:
-		audio_release(dev, file);
-		break;
-
-	default:
-		printk(KERN_ERR "Sound error: Releasing unknown device 0x%02x\n", dev);
-	}
-	mutex_unlock(&soundcard_mutex);
-
-	return 0;
-}
-
-static int get_mixer_info(int dev, void __user *arg)
-{
-	mixer_info info;
-	memset(&info, 0, sizeof(info));
-	strlcpy(info.id, mixer_devs[dev]->id, sizeof(info.id));
-	strlcpy(info.name, mixer_devs[dev]->name, sizeof(info.name));
-	info.modify_counter = mixer_devs[dev]->modify_counter;
-	if (__copy_to_user(arg, &info,  sizeof(info)))
-		return -EFAULT;
-	return 0;
-}
-
-static int get_old_mixer_info(int dev, void __user *arg)
-{
-	_old_mixer_info info;
-	memset(&info, 0, sizeof(info));
- 	strlcpy(info.id, mixer_devs[dev]->id, sizeof(info.id));
- 	strlcpy(info.name, mixer_devs[dev]->name, sizeof(info.name));
- 	if (copy_to_user(arg, &info,  sizeof(info)))
-		return -EFAULT;
-	return 0;
-}
-
-static int sound_mixer_ioctl(int mixdev, unsigned int cmd, void __user *arg)
-{
- 	if (mixdev < 0 || mixdev >= MAX_MIXER_DEV)
- 		return -ENXIO;
- 	/* Try to load the mixer... */
- 	if (mixer_devs[mixdev] == NULL) {
- 		request_module("mixer%d", mixdev);
- 	}
- 	if (mixdev >= num_mixers || !mixer_devs[mixdev])
- 		return -ENXIO;
-	if (cmd == SOUND_MIXER_INFO)
-		return get_mixer_info(mixdev, arg);
-	if (cmd == SOUND_OLD_MIXER_INFO)
-		return get_old_mixer_info(mixdev, arg);
-	if (_SIOC_DIR(cmd) & _SIOC_WRITE)
-		mixer_devs[mixdev]->modify_counter++;
-	if (!mixer_devs[mixdev]->ioctl)
-		return -EINVAL;
-	return mixer_devs[mixdev]->ioctl(mixdev, cmd, arg);
-}
-
-static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	int len = 0, dtype;
-	int dev = iminor(file_inode(file));
-	long ret = -EINVAL;
-	void __user *p = (void __user *)arg;
-
-	if (_SIOC_DIR(cmd) != _SIOC_NONE && _SIOC_DIR(cmd) != 0) {
-		/*
-		 * Have to validate the address given by the process.
-		 */
-		len = _SIOC_SIZE(cmd);
-		if (len < 1 || len > 65536 || !p)
-			return -EFAULT;
-		if (_SIOC_DIR(cmd) & _SIOC_WRITE)
-			if (!access_ok(VERIFY_READ, p, len))
-				return -EFAULT;
-		if (_SIOC_DIR(cmd) & _SIOC_READ)
-			if (!access_ok(VERIFY_WRITE, p, len))
-				return -EFAULT;
-	}
-	if (cmd == OSS_GETVERSION)
-		return __put_user(SOUND_VERSION, (int __user *)p);
-	
-	mutex_lock(&soundcard_mutex);
-	if (_IOC_TYPE(cmd) == 'M' && num_mixers > 0 &&   /* Mixer ioctl */
-	    (dev & 0x0f) != SND_DEV_CTL) {              
-		dtype = dev & 0x0f;
-		switch (dtype) {
-		case SND_DEV_DSP:
-		case SND_DEV_DSP16:
-		case SND_DEV_AUDIO:
-			ret = sound_mixer_ioctl(audio_devs[dev >> 4]->mixer_dev,
-						 cmd, p);
-			break;			
-		default:
-			ret = sound_mixer_ioctl(dev >> 4, cmd, p);
-			break;
-		}
-		mutex_unlock(&soundcard_mutex);
-		return ret;
-	}
-
-	switch (dev & 0x0f) {
-	case SND_DEV_CTL:
-		if (cmd == SOUND_MIXER_GETLEVELS)
-			ret = get_mixer_levels(p);
-		else if (cmd == SOUND_MIXER_SETLEVELS)
-			ret = set_mixer_levels(p);
-		else
-			ret = sound_mixer_ioctl(dev >> 4, cmd, p);
-		break;
-
-	case SND_DEV_SEQ:
-	case SND_DEV_SEQ2:
-		ret = sequencer_ioctl(dev, file, cmd, p);
-		break;
-
-	case SND_DEV_DSP:
-	case SND_DEV_DSP16:
-	case SND_DEV_AUDIO:
-		ret = audio_ioctl(dev, file, cmd, p);
-		break;
-
-	case SND_DEV_MIDIN:
-		ret = MIDIbuf_ioctl(dev, file, cmd, p);
-		break;
-
-	}
-	mutex_unlock(&soundcard_mutex);
-	return ret;
-}
-
-static unsigned int sound_poll(struct file *file, poll_table * wait)
-{
-	struct inode *inode = file_inode(file);
-	int dev = iminor(inode);
-
-	switch (dev & 0x0f) {
-	case SND_DEV_SEQ:
-	case SND_DEV_SEQ2:
-		return sequencer_poll(dev, file, wait);
-
-	case SND_DEV_MIDIN:
-		return MIDIbuf_poll(dev, file, wait);
-
-	case SND_DEV_DSP:
-	case SND_DEV_DSP16:
-	case SND_DEV_AUDIO:
-		return DMAbuf_poll(file, dev >> 4, wait);
-	}
-	return 0;
-}
-
-static int sound_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	int dev_class;
-	unsigned long size;
-	struct dma_buffparms *dmap = NULL;
-	int dev = iminor(file_inode(file));
-
-	dev_class = dev & 0x0f;
-	dev >>= 4;
-
-	if (dev_class != SND_DEV_DSP && dev_class != SND_DEV_DSP16 && dev_class != SND_DEV_AUDIO) {
-		printk(KERN_ERR "Sound: mmap() not supported for other than audio devices\n");
-		return -EINVAL;
-	}
-	mutex_lock(&soundcard_mutex);
-	if (vma->vm_flags & VM_WRITE)	/* Map write and read/write to the output buf */
-		dmap = audio_devs[dev]->dmap_out;
-	else if (vma->vm_flags & VM_READ)
-		dmap = audio_devs[dev]->dmap_in;
-	else {
-		printk(KERN_ERR "Sound: Undefined mmap() access\n");
-		mutex_unlock(&soundcard_mutex);
-		return -EINVAL;
-	}
-
-	if (dmap == NULL) {
-		printk(KERN_ERR "Sound: mmap() error. dmap == NULL\n");
-		mutex_unlock(&soundcard_mutex);
-		return -EIO;
-	}
-	if (dmap->raw_buf == NULL) {
-		printk(KERN_ERR "Sound: mmap() called when raw_buf == NULL\n");
-		mutex_unlock(&soundcard_mutex);
-		return -EIO;
-	}
-	if (dmap->mapping_flags) {
-		printk(KERN_ERR "Sound: mmap() called twice for the same DMA buffer\n");
-		mutex_unlock(&soundcard_mutex);
-		return -EIO;
-	}
-	if (vma->vm_pgoff != 0) {
-		printk(KERN_ERR "Sound: mmap() offset must be 0.\n");
-		mutex_unlock(&soundcard_mutex);
-		return -EINVAL;
-	}
-	size = vma->vm_end - vma->vm_start;
-
-	if (size != dmap->bytes_in_use) {
-		printk(KERN_WARNING "Sound: mmap() size = %ld. Should be %d\n", size, dmap->bytes_in_use);
-	}
-	if (remap_pfn_range(vma, vma->vm_start,
-			virt_to_phys(dmap->raw_buf) >> PAGE_SHIFT,
-			vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
-		mutex_unlock(&soundcard_mutex);
-		return -EAGAIN;
-	}
-
-	dmap->mapping_flags |= DMA_MAP_MAPPED;
-
-	if( audio_devs[dev]->d->mmap)
-		audio_devs[dev]->d->mmap(dev);
-
-	memset(dmap->raw_buf,
-	       dmap->neutral_byte,
-	       dmap->bytes_in_use);
-	mutex_unlock(&soundcard_mutex);
-	return 0;
-}
-
-const struct file_operations oss_sound_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.read		= sound_read,
-	.write		= sound_write,
-	.poll		= sound_poll,
-	.unlocked_ioctl	= sound_ioctl,
-	.mmap		= sound_mmap,
-	.open		= sound_open,
-	.release	= sound_release,
-};
-
-/*
- *	Create the required special subdevices
- */
- 
-static int create_special_devices(void)
-{
-	int seq1,seq2;
-	seq1=register_sound_special(&oss_sound_fops, 1);
-	if(seq1==-1)
-		goto bad;
-	seq2=register_sound_special(&oss_sound_fops, 8);
-	if(seq2!=-1)
-		return 0;
-	unregister_sound_special(1);
-bad:
-	return -1;
-}
-
-
-static int dmabuf;
-static int dmabug;
-
-module_param(dmabuf, int, 0444);
-module_param(dmabug, int, 0444);
-
-/* additional minors for compatibility */
-struct oss_minor_dev {
-	unsigned short minor;
-	unsigned int enabled;
-} dev_list[] = {
-	{ SND_DEV_DSP16 },
-	{ SND_DEV_AUDIO },
-};
-
-static int __init oss_init(void)
-{
-	int             err;
-	int i, j;
-	
-#ifdef CONFIG_PCI
-	if(dmabug)
-		isa_dma_bridge_buggy = dmabug;
-#endif
-
-	err = create_special_devices();
-	if (err) {
-		printk(KERN_ERR "sound: driver already loaded/included in kernel\n");
-		return err;
-	}
-
-	/* Protecting the innocent */
-	sound_dmap_flag = (dmabuf > 0 ? 1 : 0);
-
-	for (i = 0; i < ARRAY_SIZE(dev_list); i++) {
-		j = 0;
-		do {
-			unsigned short minor = dev_list[i].minor + j * 0x10;
-			if (!register_sound_special(&oss_sound_fops, minor))
-				dev_list[i].enabled = (1 << j);
-		} while (++j < num_audiodevs);
-	}
-
-	if (sound_nblocks >= MAX_MEM_BLOCKS - 1)
-		printk(KERN_ERR "Sound warning: Deallocation table was too small.\n");
-	
-	return 0;
-}
-
-static void __exit oss_cleanup(void)
-{
-	int i, j;
-
-	for (i = 0; i < ARRAY_SIZE(dev_list); i++) {
-		j = 0;
-		do {
-			if (dev_list[i].enabled & (1 << j))
-				unregister_sound_special(dev_list[i].minor);
-		} while (++j < num_audiodevs);
-	}
-	
-	unregister_sound_special(1);
-	unregister_sound_special(8);
-
-	sound_stop_timer();
-
-	sequencer_unload();
-
-	for (i = 0; i < MAX_DMA_CHANNELS; i++)
-		if (dma_alloc_map[i] != DMA_MAP_UNAVAIL) {
-			printk(KERN_ERR "Sound: Hmm, DMA%d was left allocated - fixed\n", i);
-			sound_free_dma(i);
-		}
-
-	for (i = 0; i < sound_nblocks; i++)
-		vfree(sound_mem_blocks[i]);
-
-}
-
-module_init(oss_init);
-module_exit(oss_cleanup);
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("OSS Sound subsystem");
-MODULE_AUTHOR("Hannu Savolainen, et al.");
-
-
-int sound_alloc_dma(int chn, char *deviceID)
-{
-	int err;
-
-	if ((err = request_dma(chn, deviceID)) != 0)
-		return err;
-
-	dma_alloc_map[chn] = DMA_MAP_FREE;
-
-	return 0;
-}
-EXPORT_SYMBOL(sound_alloc_dma);
-
-int sound_open_dma(int chn, char *deviceID)
-{
-	if (!valid_dma(chn)) {
-		printk(KERN_ERR "sound_open_dma: Invalid DMA channel %d\n", chn);
-		return 1;
-	}
-
-	if (dma_alloc_map[chn] != DMA_MAP_FREE) {
-		printk("sound_open_dma: DMA channel %d busy or not allocated (%d)\n", chn, dma_alloc_map[chn]);
-		return 1;
-	}
-	dma_alloc_map[chn] = DMA_MAP_BUSY;
-	return 0;
-}
-EXPORT_SYMBOL(sound_open_dma);
-
-void sound_free_dma(int chn)
-{
-	if (dma_alloc_map[chn] == DMA_MAP_UNAVAIL) {
-		/* printk( "sound_free_dma: Bad access to DMA channel %d\n",  chn); */
-		return;
-	}
-	free_dma(chn);
-	dma_alloc_map[chn] = DMA_MAP_UNAVAIL;
-}
-EXPORT_SYMBOL(sound_free_dma);
-
-void sound_close_dma(int chn)
-{
-	if (dma_alloc_map[chn] != DMA_MAP_BUSY) {
-		printk(KERN_ERR "sound_close_dma: Bad access to DMA channel %d\n", chn);
-		return;
-	}
-	dma_alloc_map[chn] = DMA_MAP_FREE;
-}
-EXPORT_SYMBOL(sound_close_dma);
-
-static void do_sequencer_timer(unsigned long dummy)
-{
-	sequencer_timer(0);
-}
-
-
-static DEFINE_TIMER(seq_timer, do_sequencer_timer);
-
-void request_sound_timer(int count)
-{
-	extern unsigned long seq_time;
-
-	if (count < 0) {
-		seq_timer.expires = (-count) + jiffies;
-		add_timer(&seq_timer);
-		return;
-	}
-	count += seq_time;
-
-	count -= jiffies;
-
-	if (count < 1)
-		count = 1;
-
-	seq_timer.expires = (count) + jiffies;
-	add_timer(&seq_timer);
-}
-
-void sound_stop_timer(void)
-{
-	del_timer(&seq_timer);
-}
-
-void conf_printf(char *name, struct address_info *hw_config)
-{
-#ifndef CONFIG_SOUND_TRACEINIT
-	return;
-#else
-	printk("<%s> at 0x%03x", name, hw_config->io_base);
-
-	if (hw_config->irq)
-		printk(" irq %d", (hw_config->irq > 0) ? hw_config->irq : -hw_config->irq);
-
-	if (hw_config->dma != -1 || hw_config->dma2 != -1)
-	{
-		printk(" dma %d", hw_config->dma);
-		if (hw_config->dma2 != -1)
-			printk(",%d", hw_config->dma2);
-	}
-	printk("\n");
-#endif
-}
-EXPORT_SYMBOL(conf_printf);
-
-void conf_printf2(char *name, int base, int irq, int dma, int dma2)
-{
-#ifndef CONFIG_SOUND_TRACEINIT
-	return;
-#else
-	printk("<%s> at 0x%03x", name, base);
-
-	if (irq)
-		printk(" irq %d", (irq > 0) ? irq : -irq);
-
-	if (dma != -1 || dma2 != -1)
-	{
-		  printk(" dma %d", dma);
-		  if (dma2 != -1)
-			  printk(",%d", dma2);
-	}
-	printk("\n");
-#endif
-}
-EXPORT_SYMBOL(conf_printf2);
-