#define RMEVERSION "0.8"
#endif
-#include <linux/version.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/poll.h>
#include <linux/wait.h>
+#include <linux/mutex.h>
#include <asm/dma.h>
#include <asm/page.h>
#define NR_DEVICE 2
static int devices = 1;
-MODULE_PARM(devices, "1-" __MODULE_STRING(NR_DEVICE) "i");
+module_param(devices, int, 0);
MODULE_PARM_DESC(devices, "number of dsp devices allocated by the driver");
/* waiting and locking */
wait_queue_head_t wait;
- struct semaphore open_sem;
+ struct mutex open_mutex;
wait_queue_head_t open_wait;
} dma[RME96xx_MAX_DEVS];
/* fiddling with the card (first level hardware control) */
-inline void rme96xx_set_ctrl(rme96xx_info* s,int mask)
+static inline void rme96xx_set_ctrl(rme96xx_info* s,int mask)
{
s->control_register|=mask;
}
-inline void rme96xx_unset_ctrl(rme96xx_info* s,int mask)
+static inline void rme96xx_unset_ctrl(rme96xx_info* s,int mask)
{
s->control_register&=(~mask);
}
-inline int rme96xx_get_sample_rate_status(rme96xx_info* s)
+static inline int rme96xx_get_sample_rate_status(rme96xx_info* s)
{
int val;
u32 status;
return val;
}
-inline int rme96xx_get_sample_rate_ctrl(rme96xx_info* s)
+static inline int rme96xx_get_sample_rate_ctrl(rme96xx_info* s)
{
int val;
val = (s->control_register & RME96xx_freq) ? 48000 : 44100;
/* the function returns the hardware pointer in bytes */
#define RME96xx_BURSTBYTES -64 /* bytes by which hwptr could be off */
-inline int rme96xx_gethwptr(rme96xx_info* s,int exact)
+static inline int rme96xx_gethwptr(rme96xx_info* s,int exact)
{
unsigned long flags;
if (exact) {
return (s->hwbufid ? s->fragsize : 0);
}
-inline void rme96xx_setlatency(rme96xx_info* s,int l)
+static inline void rme96xx_setlatency(rme96xx_info* s,int l)
{
s->latency = l;
s->fragsize = 1<<(8+l);
}
-inline int rme96xx_getospace(struct dmabuf * dma, unsigned int hwp)
+static inline int rme96xx_getospace(struct dmabuf * dma, unsigned int hwp)
{
int cnt;
int swptr;
return cnt;
}
-inline int rme96xx_getispace(struct dmabuf * dma, unsigned int hwp)
+static inline int rme96xx_getispace(struct dmabuf * dma, unsigned int hwp)
{
int cnt;
int swptr;
}
-inline int rme96xx_copyfromuser(struct dmabuf* dma,const char __user * buffer,int count,int hop)
+static inline int rme96xx_copyfromuser(struct dmabuf* dma,const char __user * buffer,int count,int hop)
{
int swptr = dma->writeptr;
switch (dma->format) {
}
/* The count argument is the number of bytes */
-inline int rme96xx_copytouser(struct dmabuf* dma,const char __user* buffer,int count,int hop)
+static inline int rme96xx_copytouser(struct dmabuf* dma,const char __user* buffer,int count,int hop)
{
int swptr = dma->readptr;
switch (dma->format) {
PCI detection and module initialization stuff
----------------------------------------------------------------------------*/
-void* busmaster_malloc(int size) {
+static void* busmaster_malloc(int size) {
int pg; /* 2 s exponent of memory size */
char *buf;
struct page* page, *last_page;
page = virt_to_page(buf);
- last_page = virt_to_page(buf + (1 << pg));
+ last_page = page + (1 << pg);
DBG(printk("setting reserved bit\n"));
while (page < last_page) {
SetPageReserved(page);
return NULL;
}
-void busmaster_free(void* ptr,int size) {
+static void busmaster_free(void* ptr,int size) {
int pg;
struct page* page, *last_page;
static int rme96xx_dmabuf_init(rme96xx_info * s,struct dmabuf* dma,int ioffset,int ooffset) {
- init_MUTEX(&dma->open_sem);
+ mutex_init(&dma->open_mutex);
init_waitqueue_head(&dma->open_wait);
init_waitqueue_head(&dma->wait);
dma->s = s;
}
-int rme96xx_init(rme96xx_info* s)
+static int rme96xx_init(rme96xx_info* s)
{
int i;
int status;
devices = ((devices-1) & RME96xx_MASK_DEVS) + 1;
printk(KERN_INFO RME_MESS" reserving %d dsp device(s)\n",devices);
numcards = 0;
- return pci_module_init(&rme96xx_driver);
+ return pci_register_driver(&rme96xx_driver);
}
static void __exit cleanup_rme96xx(void)
dma = &s->dma[devnum];
f->private_data = dma;
/* wait for device to become free */
- down(&dma->open_sem);
+ mutex_lock(&dma->open_mutex);
while (dma->open_mode & f->f_mode) {
if (f->f_flags & O_NONBLOCK) {
- up(&dma->open_sem);
+ mutex_unlock(&dma->open_mutex);
return -EBUSY;
}
add_wait_queue(&dma->open_wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
- up(&dma->open_sem);
+ mutex_unlock(&dma->open_mutex);
schedule();
remove_wait_queue(&dma->open_wait, &wait);
set_current_state(TASK_RUNNING);
if (signal_pending(current))
return -ERESTARTSYS;
- down(&dma->open_sem);
+ mutex_lock(&dma->open_mutex);
}
COMM ("hardware open")
dma->open_mode |= (f->f_mode & (FMODE_READ | FMODE_WRITE));
dma->opened = 1;
- up(&dma->open_sem);
+ mutex_unlock(&dma->open_mutex);
DBG(printk("device num %d open finished\n",devnum));
return 0;
}
wake_up(&dma->open_wait);
- up(&dma->open_sem);
+ mutex_unlock(&dma->open_mutex);
return 0;
}
static struct file_operations rme96xx_audio_fops = {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
.owner = THIS_MODULE,
-#endif
.read = rme96xx_read,
.write = rme96xx_write,
.poll = rme96xx_poll,
}
static /*const*/ struct file_operations rme96xx_mixer_fops = {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
.owner = THIS_MODULE,
-#endif
.ioctl = rme96xx_mixer_ioctl,
.open = rme96xx_mixer_open,
.release = rme96xx_mixer_release,