1 files changed, 751 insertions, 0 deletions

diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c
new file mode 100644
index 000000000000..de91c90a0112
--- /dev/null
+++ b/sound/oss/soundcard.c
@@ -0,0 +1,751 @@
+/*
+ * linux/drivers/sound/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 <linux/config.h>
+
+#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 <asm/dma.h>
+#include <asm/io.h>
+#include <linux/wait.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/devfs_fs_kernel.h>
+#include <linux/major.h>
+#include <linux/delay.h>
+#include <linux/proc_fs.h>
+#include <linux/smp_lock.h>
+#include <linux/module.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[1024];
+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_simple *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 (strcmp(name, mixer_vols[i].name) == 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++;
+
+        strcpy(mixer_vols[n].name, name);
+
+        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;
+}
+
+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->f_dentry->d_inode);
+        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..
+         */
+         
+        lock_kernel();
+        
+        DEB(printk("sound_read(dev=%d, count=%d)\n", dev, count));
+        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);
+        }
+        unlock_kernel();
+        return ret;
+}
+
+static ssize_t sound_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+{
+        int dev = iminor(file->f_dentry->d_inode);
+        int ret = -EINVAL;
+        
+        lock_kernel();
+        DEB(printk("sound_write(dev=%d, count=%d)\n", dev, count));
+        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;
+        }
+        unlock_kernel();
+        return ret;
+}
+
+static int sound_open(struct inode *inode, struct file *file)
+{
+        int dev = iminor(inode);
+        int retval;
+
+        DEB(printk("sound_open(dev=%d)\n", dev));
+        if ((dev >= SND_NDEVS) || (dev < 0)) {
+                printk(KERN_ERR "Invalid minor device %d\n", dev);
+                return -ENXIO;
+        }
+        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);
+                }
+                if (dev && (dev >= num_mixers || mixer_devs[dev] == NULL))
+                        return -ENXIO;
+        
+                if (!try_module_get(mixer_devs[dev]->owner))
+                        return -ENXIO;
+                break;
+
+        case SND_DEV_SEQ:
+        case SND_DEV_SEQ2:
+                if ((retval = sequencer_open(dev, file)) < 0)
+                        return retval;
+                break;
+
+        case SND_DEV_MIDIN:
+                if ((retval = MIDIbuf_open(dev, file)) < 0)
+                        return retval;
+                break;
+
+        case SND_DEV_DSP:
+        case SND_DEV_DSP16:
+        case SND_DEV_AUDIO:
+                if ((retval = audio_open(dev, file)) < 0)
+                        return retval;
+                break;
+
+        default:
+                printk(KERN_ERR "Invalid minor device %d\n", dev);
+                return -ENXIO;
+        }
+
+        return 0;
+}
+
+static int sound_release(struct inode *inode, struct file *file)
+{
+        int dev = iminor(inode);
+
+        lock_kernel();
+        DEB(printk("sound_release(dev=%d)\n", dev));
+        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);
+        }
+        unlock_kernel();
+
+        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 int sound_ioctl(struct inode *inode, struct file *file,
+                       unsigned int cmd, unsigned long arg)
+{
+        int len = 0, dtype;
+        int dev = iminor(inode);
+        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;
+        }
+        DEB(printk("sound_ioctl(dev=%d, cmd=0x%x, arg=0x%x)\n", dev, cmd, arg));
+        if (cmd == OSS_GETVERSION)
+                return __put_user(SOUND_VERSION, (int __user *)p);
+        
+        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:
+                        return sound_mixer_ioctl(audio_devs[dev >> 4]->mixer_dev,
+                                                 cmd, p);
+                        
+                default:
+                        return sound_mixer_ioctl(dev >> 4, cmd, p);
+                }
+        }
+        switch (dev & 0x0f) {
+        case SND_DEV_CTL:
+                if (cmd == SOUND_MIXER_GETLEVELS)
+                        return get_mixer_levels(p);
+                if (cmd == SOUND_MIXER_SETLEVELS)
+                        return set_mixer_levels(p);
+                return sound_mixer_ioctl(dev >> 4, cmd, p);
+
+        case SND_DEV_SEQ:
+        case SND_DEV_SEQ2:
+                return sequencer_ioctl(dev, file, cmd, p);
+
+        case SND_DEV_DSP:
+        case SND_DEV_DSP16:
+        case SND_DEV_AUDIO:
+                return audio_ioctl(dev, file, cmd, p);
+                break;
+
+        case SND_DEV_MIDIN:
+                return MIDIbuf_ioctl(dev, file, cmd, p);
+                break;
+
+        }
+        return -EINVAL;
+}
+
+static unsigned int sound_poll(struct file *file, poll_table * wait)
+{
+        struct inode *inode = file->f_dentry->d_inode;
+        int dev = iminor(inode);
+
+        DEB(printk("sound_poll(dev=%d)\n", dev));
+        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->f_dentry->d_inode);
+
+        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;
+        }
+        lock_kernel();
+        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");
+                unlock_kernel();
+                return -EINVAL;
+        }
+
+        if (dmap == NULL) {
+                printk(KERN_ERR "Sound: mmap() error. dmap == NULL\n");
+                unlock_kernel();
+                return -EIO;
+        }
+        if (dmap->raw_buf == NULL) {
+                printk(KERN_ERR "Sound: mmap() called when raw_buf == NULL\n");
+                unlock_kernel();
+                return -EIO;
+        }
+        if (dmap->mapping_flags) {
+                printk(KERN_ERR "Sound: mmap() called twice for the same DMA buffer\n");
+                unlock_kernel();
+                return -EIO;
+        }
+        if (vma->vm_pgoff != 0) {
+                printk(KERN_ERR "Sound: mmap() offset must be 0.\n");
+                unlock_kernel();
+                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)) {
+                unlock_kernel();
+                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);
+        unlock_kernel();
+        return 0;
+}
+
+struct file_operations oss_sound_fops = {
+        .owner          = THIS_MODULE,
+        .llseek         = no_llseek,
+        .read           = sound_read,
+        .write          = sound_write,
+        .poll           = sound_poll,
+        .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;
+}
+
+
+/* These device names follow the official Linux device list,
+ * Documentation/devices.txt.  Let us know if there are other
+ * common names we should support for compatibility.
+ * Only those devices not created by the generic code in sound_core.c are
+ * registered here.
+ */
+static const struct {
+        unsigned short minor;
+        char *name;
+        umode_t mode;
+        int *num;
+} dev_list[] = { /* list of minor devices */
+/* seems to be some confusion here -- this device is not in the device list */
+        {SND_DEV_DSP16,     "dspW",      S_IWUGO | S_IRUSR | S_IRGRP,
+         &num_audiodevs},
+        {SND_DEV_AUDIO,     "audio",     S_IWUGO | S_IRUSR | S_IRGRP,
+         &num_audiodevs},
+};
+
+static int dmabuf;
+static int dmabug;
+
+module_param(dmabuf, int, 0444);
+module_param(dmabug, int, 0444);
+
+static int __init oss_init(void)
+{
+        int             err;
+        int i, j;
+        
+        /* drag in sound_syms.o */
+        {
+                extern char sound_syms_symbol;
+                sound_syms_symbol = 0;
+        }
+
+#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 < sizeof (dev_list) / sizeof *dev_list; i++) {
+                devfs_mk_cdev(MKDEV(SOUND_MAJOR, dev_list[i].minor),
+                                S_IFCHR | dev_list[i].mode,
+                                "sound/%s", dev_list[i].name);
+                class_simple_device_add(sound_class, 
+                                        MKDEV(SOUND_MAJOR, dev_list[i].minor),
+                                        NULL, "%s", dev_list[i].name);
+
+                if (!dev_list[i].num)
+                        continue;
+
+                for (j = 1; j < *dev_list[i].num; j++) {
+                        devfs_mk_cdev(MKDEV(SOUND_MAJOR,
+                                                dev_list[i].minor + (j*0x10)),
+                                        S_IFCHR | dev_list[i].mode,
+                                        "sound/%s%d", dev_list[i].name, j);
+                        class_simple_device_add(sound_class,
+                                        MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)),
+                                        NULL,
+                                        "%s%d", dev_list[i].name, j);
+                }
+        }
+
+        if (sound_nblocks >= 1024)
+                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 < sizeof (dev_list) / sizeof *dev_list; i++) {
+                devfs_remove("sound/%s", dev_list[i].name);
+                class_simple_device_remove(MKDEV(SOUND_MAJOR, dev_list[i].minor));
+                if (!dev_list[i].num)
+                        continue;
+                for (j = 1; j < *dev_list[i].num; j++) {
+                        devfs_remove("sound/%s%d", dev_list[i].name, j);
+                        class_simple_device_remove(MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)));
+                }
+        }
+        
+        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");
+
+
+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;
+}
+
+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;
+}
+
+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;
+}
+
+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;
+}
+
+static void do_sequencer_timer(unsigned long dummy)
+{
+        sequencer_timer(0);
+}
+
+
+static struct timer_list seq_timer =
+                TIMER_INITIALIZER(do_sequencer_timer, 0, 0);
+
+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
+}
+
+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
+}