linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / sound / oss / via82cxxx_audio.c

diff --git a/sound/oss/via82cxxx_audio.c b/sound/oss/via82cxxx_audio.c
index 08d8c94..83edda9 100644 (file)
--- a/sound/oss/via82cxxx_audio.c
+++ b/sound/oss/via82cxxx_audio.c
@@ -18,12 +18,12 @@
 #define VIA_VERSION    "1.9.1-ac4-2.5"
 
 
+#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/pci.h>
-#include <linux/poison.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/proc_fs.h>
@@ -38,8 +38,7 @@
 #include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
-#include <linux/mutex.h>
-
+#include <asm/semaphore.h>
 #include "sound_config.h"
 #include "dev_table.h"
 #include "mpu401.h"
@@ -308,12 +307,12 @@ struct via_info {
        unsigned sixchannel: 1; /* 8233/35 with 6 channel support */
        unsigned volume: 1;
 
-       unsigned locked_rate : 1;
+       int locked_rate : 1;
        
        int mixer_vol;          /* 8233/35 volume  - not yet implemented */
 
-       struct mutex syscall_mutex;
-       struct mutex open_mutex;
+       struct semaphore syscall_sem;
+       struct semaphore open_sem;
 
        /* The 8233/8235 have 4 DX audio channels, two record and
           one six channel out. We bind ch_in to DX 1, ch_out to multichannel
@@ -506,10 +505,10 @@ static inline int via_syscall_down (struct via_info *card, int nonblock)
        nonblock = 0;
 
        if (nonblock) {
-               if (!mutex_trylock(&card->syscall_mutex))
+               if (down_trylock (&card->syscall_sem))
                        return -EAGAIN;
        } else {
-               if (mutex_lock_interruptible(&card->syscall_mutex))
+               if (down_interruptible (&card->syscall_sem))
                        return -ERESTARTSYS;
        }
 
@@ -1610,7 +1609,7 @@ static int via_mixer_ioctl (struct inode *inode, struct file *file, unsigned int
 #endif
        rc = codec->mixer_ioctl(codec, cmd, arg);
 
-       mutex_unlock(&card->syscall_mutex);
+       up (&card->syscall_sem);
 
 out:
        DPRINTK ("EXIT, returning %d\n", rc);
@@ -2013,7 +2012,7 @@ static int via_interrupt_init (struct via_info *card)
                        tmp8 |= VIA_CR48_FM_TRAP_TO_NMI;
                        pci_write_config_byte (card->pdev, VIA_FM_NMI_CTRL, tmp8);
                }
-               if (request_irq (card->pdev->irq, via_interrupt, IRQF_SHARED, VIA_MODULE_NAME, card)) {
+               if (request_irq (card->pdev->irq, via_interrupt, SA_SHIRQ, VIA_MODULE_NAME, card)) {
                        printk (KERN_ERR PFX "unable to obtain IRQ %d, aborting\n",
                                card->pdev->irq);
                        DPRINTK ("EXIT, returning -EBUSY\n");
@@ -2022,7 +2021,7 @@ static int via_interrupt_init (struct via_info *card)
        }
        else 
        {
-               if (request_irq (card->pdev->irq, via_new_interrupt, IRQF_SHARED, VIA_MODULE_NAME, card)) {
+               if (request_irq (card->pdev->irq, via_new_interrupt, SA_SHIRQ, VIA_MODULE_NAME, card)) {
                        printk (KERN_ERR PFX "unable to obtain IRQ %d, aborting\n",
                                card->pdev->irq);
                        DPRINTK ("EXIT, returning -EBUSY\n");
@@ -2229,7 +2228,7 @@ static int via_dsp_mmap(struct file *file, struct vm_area_struct *vma)
        if (wr)
                card->ch_out.is_mapped = 1;
 
-       mutex_unlock(&card->syscall_mutex);
+       up (&card->syscall_sem);
        rc = 0;
 
 out:
@@ -2257,7 +2256,7 @@ handle_one_block:
        /* Thomas Sailer:
         * But also to ourselves, release semaphore if we do so */
        if (need_resched()) {
-               mutex_unlock(&card->syscall_mutex);
+               up(&card->syscall_sem);
                schedule ();
                ret = via_syscall_down (card, nonblock);
                if (ret)
@@ -2287,7 +2286,7 @@ handle_one_block:
                        break;
                }
 
-               mutex_unlock(&card->syscall_mutex);
+               up(&card->syscall_sem);
 
                DPRINTK ("Sleeping on block %d\n", n);
                schedule();
@@ -2403,7 +2402,7 @@ static ssize_t via_dsp_read(struct file *file, char __user *buffer, size_t count
        rc = via_dsp_do_read (card, buffer, count, nonblock);
 
 out_up:
-       mutex_unlock(&card->syscall_mutex);
+       up (&card->syscall_sem);
 out:
        DPRINTK ("EXIT, returning %ld\n",(long) rc);
        return rc;
@@ -2427,7 +2426,7 @@ handle_one_block:
        /* Thomas Sailer:
         * But also to ourselves, release semaphore if we do so */
        if (need_resched()) {
-               mutex_unlock(&card->syscall_mutex);
+               up(&card->syscall_sem);
                schedule ();
                ret = via_syscall_down (card, nonblock);
                if (ret)
@@ -2457,7 +2456,7 @@ handle_one_block:
                        break;
                }
 
-               mutex_unlock(&card->syscall_mutex);
+               up(&card->syscall_sem);
 
                DPRINTK ("Sleeping on page %d, tmp==%d, ir==%d\n", n, tmp, chan->is_record);
                schedule();
@@ -2586,7 +2585,7 @@ static ssize_t via_dsp_write(struct file *file, const char __user *buffer, size_
        rc = via_dsp_do_write (card, buffer, count, nonblock);
 
 out_up:
-       mutex_unlock(&card->syscall_mutex);
+       up (&card->syscall_sem);
 out:
        DPRINTK ("EXIT, returning %ld\n",(long) rc);
        return rc;
@@ -2635,7 +2634,7 @@ static unsigned int via_dsp_poll(struct file *file, struct poll_table_struct *wa
  *     Sleeps until all playback has been flushed to the audio
  *     hardware.
  *
- *     Locking: inside card->syscall_mutex
+ *     Locking: inside card->syscall_sem
  */
 
 static int via_dsp_drain_playback (struct via_info *card,
@@ -2693,7 +2692,7 @@ static int via_dsp_drain_playback (struct via_info *card,
                        printk (KERN_ERR "sleeping but not active\n");
 #endif
 
-               mutex_unlock(&card->syscall_mutex);
+               up(&card->syscall_sem);
 
                DPRINTK ("sleeping, nbufs=%d\n", atomic_read (&chan->n_frags));
                schedule();
@@ -2749,7 +2748,7 @@ out:
  *
  *     Handles SNDCTL_DSP_GETISPACE and SNDCTL_DSP_GETOSPACE.
  *
- *     Locking: inside card->syscall_mutex
+ *     Locking: inside card->syscall_sem
  */
 
 static int via_dsp_ioctl_space (struct via_info *card,
@@ -2794,7 +2793,7 @@ static int via_dsp_ioctl_space (struct via_info *card,
  *
  *     Handles SNDCTL_DSP_GETIPTR and SNDCTL_DSP_GETOPTR.
  *
- *     Locking: inside card->syscall_mutex
+ *     Locking: inside card->syscall_sem
  */
 
 static int via_dsp_ioctl_ptr (struct via_info *card,
@@ -3222,7 +3221,7 @@ static int via_dsp_ioctl (struct inode *inode, struct file *file,
                break;
        }
 
-       mutex_unlock(&card->syscall_mutex);
+       up (&card->syscall_sem);
        DPRINTK ("EXIT, returning %d\n", rc);
        return rc;
 }
@@ -3265,12 +3264,12 @@ static int via_dsp_open (struct inode *inode, struct file *file)
 
 match:
        if (nonblock) {
-               if (!mutex_trylock(&card->open_mutex)) {
+               if (down_trylock (&card->open_sem)) {
                        DPRINTK ("EXIT, returning -EAGAIN\n");
                        return -EAGAIN;
                }
        } else {
-               if (mutex_lock_interruptible(&card->open_mutex)) {
+               if (down_interruptible (&card->open_sem)) {
                        DPRINTK ("EXIT, returning -ERESTARTSYS\n");
                        return -ERESTARTSYS;
                }
@@ -3356,8 +3355,8 @@ static int via_dsp_release(struct inode *inode, struct file *file)
                via_chan_buffer_free (card, &card->ch_in);
        }
 
-       mutex_unlock(&card->syscall_mutex);
-       mutex_unlock(&card->open_mutex);
+       up (&card->syscall_sem);
+       up (&card->open_sem);
 
        DPRINTK ("EXIT, returning 0\n");
        return 0;
@@ -3415,8 +3414,8 @@ static int __devinit via_init_one (struct pci_dev *pdev, const struct pci_device
        card->card_num = via_num_cards++;
        spin_lock_init (&card->lock);
        spin_lock_init (&card->ac97_lock);
-       mutex_init(&card->syscall_mutex);
-       mutex_init(&card->open_mutex);
+       init_MUTEX (&card->syscall_sem);
+       init_MUTEX (&card->open_sem);
 
        /* we must init these now, in case the intr handler needs them */
        via_chan_init_defaults (card, &card->ch_out);
@@ -3522,7 +3521,7 @@ err_out_have_mixer:
 
 err_out_kfree:
 #ifndef VIA_NDEBUG
-       memset (card, OSS_POISON_FREE, sizeof (*card)); /* poison memory */
+       memset (card, 0xAB, sizeof (*card)); /* poison memory */
 #endif
        kfree (card);
 
@@ -3559,7 +3558,7 @@ static void __devexit via_remove_one (struct pci_dev *pdev)
        via_ac97_cleanup (card);
 
 #ifndef VIA_NDEBUG
-       memset (card, OSS_POISON_FREE, sizeof (*card)); /* poison memory */
+       memset (card, 0xAB, sizeof (*card)); /* poison memory */
 #endif
        kfree (card);