#include <linux/ac97_codec.h>
#include <linux/gameport.h>
#include <linux/wait.h>
+#include <linux/dma-mapping.h>
+#include <linux/mutex.h>
+#include <linux/mm.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/uaccess.h>
+#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
+#define SUPPORT_JOYSTICK
+#endif
+
/* --------------------------------------------------------------------- */
#undef OSS_DOCUMENTED_MIXER_SEMANTICS
unsigned dac1rate, dac2rate, adcrate;
spinlock_t lock;
- struct semaphore open_sem;
+ struct mutex open_mutex;
mode_t open_mode;
wait_queue_head_t open_wait;
unsigned char obuf[MIDIOUTBUF];
} midi;
+#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
- struct semaphore sem;
+#endif
+
+ struct mutex sem;
};
/* --------------------------------------------------------------------- */
outb((s->midi.ocnt > 0) ? UCTRL_RXINTEN | UCTRL_ENA_TXINT : UCTRL_RXINTEN, s->io+ES1371_REG_UART_CONTROL);
}
-static irqreturn_t es1371_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t es1371_interrupt(int irq, void *dev_id)
{
- struct es1371_state *s = (struct es1371_state *)dev_id;
+ struct es1371_state *s = dev_id;
unsigned int intsrc, sctl;
/* fastpath out, to ease interrupt sharing */
return -ENXIO;
if (!access_ok(VERIFY_WRITE, buffer, count))
return -EFAULT;
- down(&s->sem);
+ mutex_lock(&s->sem);
if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s)))
goto out2;
ret = -EAGAIN;
goto out;
}
- up(&s->sem);
+ mutex_unlock(&s->sem);
schedule();
if (signal_pending(current)) {
if (!ret)
ret = -ERESTARTSYS;
goto out2;
}
- down(&s->sem);
+ mutex_lock(&s->sem);
if (s->dma_adc.mapped)
{
ret = -ENXIO;
start_adc(s);
}
out:
- up(&s->sem);
+ mutex_unlock(&s->sem);
out2:
remove_wait_queue(&s->dma_adc.wait, &wait);
set_current_state(TASK_RUNNING);
return -ENXIO;
if (!access_ok(VERIFY_READ, buffer, count))
return -EFAULT;
- down(&s->sem);
+ mutex_lock(&s->sem);
if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s)))
goto out3;
ret = 0;
ret = -EAGAIN;
goto out;
}
- up(&s->sem);
+ mutex_unlock(&s->sem);
schedule();
if (signal_pending(current)) {
if (!ret)
ret = -ERESTARTSYS;
goto out2;
}
- down(&s->sem);
+ mutex_lock(&s->sem);
if (s->dma_dac2.mapped)
{
ret = -ENXIO;
start_dac2(s);
}
out:
- up(&s->sem);
+ mutex_unlock(&s->sem);
out2:
remove_wait_queue(&s->dma_dac2.wait, &wait);
out3:
VALIDATE_STATE(s);
lock_kernel();
- down(&s->sem);
+ mutex_lock(&s->sem);
if (vma->vm_flags & VM_WRITE) {
if ((ret = prog_dmabuf_dac2(s)) != 0) {
}
db->mapped = 1;
out:
- up(&s->sem);
+ mutex_unlock(&s->sem);
unlock_kernel();
return ret;
}
VALIDATE_STATE(s);
file->private_data = s;
/* wait for device to become free */
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
while (s->open_mode & file->f_mode) {
if (file->f_flags & O_NONBLOCK) {
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return -EBUSY;
}
add_wait_queue(&s->open_wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
schedule();
remove_wait_queue(&s->open_wait, &wait);
set_current_state(TASK_RUNNING);
if (signal_pending(current))
return -ERESTARTSYS;
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
}
if (file->f_mode & FMODE_READ) {
s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0;
outl(s->sctrl, s->io+ES1371_REG_SERIAL_CONTROL);
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
- up(&s->open_sem);
- init_MUTEX(&s->sem);
+ mutex_unlock(&s->open_mutex);
+ mutex_init(&s->sem);
return nonseekable_open(inode, file);
}
lock_kernel();
if (file->f_mode & FMODE_WRITE)
drain_dac2(s, file->f_flags & O_NONBLOCK);
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
if (file->f_mode & FMODE_WRITE) {
stop_dac2(s);
dealloc_dmabuf(s, &s->dma_dac2);
dealloc_dmabuf(s, &s->dma_adc);
}
s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE));
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
wake_up(&s->open_wait);
unlock_kernel();
return 0;
return -EINVAL;
file->private_data = s;
/* wait for device to become free */
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
while (s->open_mode & FMODE_DAC) {
if (file->f_flags & O_NONBLOCK) {
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return -EBUSY;
}
add_wait_queue(&s->open_wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
schedule();
remove_wait_queue(&s->open_wait, &wait);
set_current_state(TASK_RUNNING);
if (signal_pending(current))
return -ERESTARTSYS;
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
}
s->dma_dac1.ossfragshift = s->dma_dac1.ossmaxfrags = s->dma_dac1.subdivision = 0;
s->dma_dac1.enabled = 1;
outl(s->sctrl, s->io+ES1371_REG_SERIAL_CONTROL);
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= FMODE_DAC;
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return nonseekable_open(inode, file);
}
VALIDATE_STATE(s);
lock_kernel();
drain_dac1(s, file->f_flags & O_NONBLOCK);
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
stop_dac1(s);
dealloc_dmabuf(s, &s->dma_dac1);
s->open_mode &= ~FMODE_DAC;
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
wake_up(&s->open_wait);
unlock_kernel();
return 0;
VALIDATE_STATE(s);
file->private_data = s;
/* wait for device to become free */
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
if (file->f_flags & O_NONBLOCK) {
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return -EBUSY;
}
add_wait_queue(&s->open_wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
schedule();
remove_wait_queue(&s->open_wait, &wait);
set_current_state(TASK_RUNNING);
if (signal_pending(current))
return -ERESTARTSYS;
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
}
spin_lock_irqsave(&s->lock, flags);
if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
es1371_handle_midi(s);
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return nonseekable_open(inode, file);
}
remove_wait_queue(&s->midi.owait, &wait);
set_current_state(TASK_RUNNING);
}
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE));
spin_lock_irqsave(&s->lock, flags);
if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
outl(s->ctrl, s->io+ES1371_REG_CONTROL);
}
spin_unlock_irqrestore(&s->lock, flags);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
wake_up(&s->open_wait);
unlock_kernel();
return 0;
{ PCI_ANY_ID, PCI_ANY_ID }
};
+#ifdef SUPPORT_JOYSTICK
+
+static int __devinit es1371_register_gameport(struct es1371_state *s)
+{
+ struct gameport *gp;
+ int gpio;
+
+ for (gpio = 0x218; gpio >= 0x200; gpio -= 0x08)
+ if (request_region(gpio, JOY_EXTENT, "es1371"))
+ break;
+
+ if (gpio < 0x200) {
+ printk(KERN_ERR PFX "no free joystick address found\n");
+ return -EBUSY;
+ }
+
+ s->gameport = gp = gameport_allocate_port();
+ if (!gp) {
+ printk(KERN_ERR PFX "can not allocate memory for gameport\n");
+ release_region(gpio, JOY_EXTENT);
+ return -ENOMEM;
+ }
+
+ gameport_set_name(gp, "ESS1371 Gameport");
+ gameport_set_phys(gp, "isa%04x/gameport0", gpio);
+ gp->dev.parent = &s->dev->dev;
+ gp->io = gpio;
+
+ s->ctrl |= CTRL_JYSTK_EN | (((gpio >> 3) & CTRL_JOY_MASK) << CTRL_JOY_SHIFT);
+ outl(s->ctrl, s->io + ES1371_REG_CONTROL);
+
+ gameport_register_port(gp);
+
+ return 0;
+}
+
+static inline void es1371_unregister_gameport(struct es1371_state *s)
+{
+ if (s->gameport) {
+ int gpio = s->gameport->io;
+ gameport_unregister_port(s->gameport);
+ release_region(gpio, JOY_EXTENT);
+
+ }
+}
+
+#else
+static inline int es1371_register_gameport(struct es1371_state *s) { return -ENOSYS; }
+static inline void es1371_unregister_gameport(struct es1371_state *s) { }
+#endif /* SUPPORT_JOYSTICK */
+
+
static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid)
{
struct es1371_state *s;
- struct gameport *gp;
mm_segment_t fs;
- int i, gpio, val, res = -1;
+ int i, val, res = -1;
int idx;
unsigned long tmo;
signed long tmo2;
return -ENODEV;
if (pcidev->irq == 0)
return -ENODEV;
- i = pci_set_dma_mask(pcidev, 0xffffffff);
+ i = pci_set_dma_mask(pcidev, DMA_32BIT_MASK);
if (i) {
printk(KERN_WARNING "es1371: architecture does not support 32bit PCI busmaster DMA\n");
return i;
init_waitqueue_head(&s->open_wait);
init_waitqueue_head(&s->midi.iwait);
init_waitqueue_head(&s->midi.owait);
- init_MUTEX(&s->open_sem);
+ mutex_init(&s->open_mutex);
spin_lock_init(&s->lock);
s->magic = ES1371_MAGIC;
s->dev = pcidev;
res = -EBUSY;
goto err_region;
}
- if ((res=request_irq(s->irq, es1371_interrupt, SA_SHIRQ, "es1371",s))) {
+ if ((res=request_irq(s->irq, es1371_interrupt, IRQF_SHARED, "es1371",s))) {
printk(KERN_ERR PFX "irq %u in use\n", s->irq);
goto err_irq;
}
}
}
- for (gpio = 0x218; gpio >= 0x200; gpio -= 0x08)
- if (request_region(gpio, JOY_EXTENT, "es1371"))
- break;
-
- if (gpio < 0x200) {
- printk(KERN_ERR PFX "no free joystick address found\n");
- } else if (!(s->gameport = gp = gameport_allocate_port())) {
- printk(KERN_ERR PFX "can not allocate memory for gameport\n");
- release_region(gpio, JOY_EXTENT);
- } else {
- gameport_set_name(gp, "ESS1371 Gameport");
- gameport_set_phys(gp, "isa%04x/gameport0", gpio);
- gp->dev.parent = &s->dev->dev;
- gp->io = gpio;
- s->ctrl |= CTRL_JYSTK_EN | (((gpio >> 3) & CTRL_JOY_MASK) << CTRL_JOY_SHIFT);
- }
-
s->sctrl = 0;
cssr = 0;
s->spdif_volume = -1;
/* turn on S/PDIF output driver if requested */
outl(cssr, s->io+ES1371_REG_STATUS);
- /* register gameport */
- if (s->gameport)
- gameport_register_port(s->gameport);
+ es1371_register_gameport(s);
/* store it in the driver field */
pci_set_drvdata(pcidev, s);
/* increment devindex */
if (devindex < NR_DEVICE-1)
devindex++;
- return 0;
+ return 0;
err_gp:
- if (s->gameport) {
- release_region(s->gameport->io, JOY_EXTENT);
- gameport_free_port(s->gameport);
- }
#ifdef ES1371_DEBUG
if (s->ps)
remove_proc_entry("es1371", NULL);
outl(0, s->io+ES1371_REG_SERIAL_CONTROL); /* clear serial interrupts */
synchronize_irq(s->irq);
free_irq(s->irq, s);
- if (s->gameport) {
- int gpio = s->gameport->io;
- gameport_unregister_port(s->gameport);
- release_region(gpio, JOY_EXTENT);
- }
+ es1371_unregister_gameport(s);
release_region(s->io, ES1371_EXTENT);
unregister_sound_dsp(s->dev_audio);
unregister_sound_mixer(s->codec->dev_mixer);
static int __init init_es1371(void)
{
printk(KERN_INFO PFX "version v0.32 time " __TIME__ " " __DATE__ "\n");
- return pci_module_init(&es1371_driver);
+ return pci_register_driver(&es1371_driver);
}
static void __exit cleanup_es1371(void)