#include <linux/string.h>
#include <linux/init.h>
#include <linux/slab.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
#include <asm/io.h>
-#include "../../../sound/oss/aci.h"
+#include "oss/aci.h"
#include "miropcm20-rds-core.h"
#define DEBUG 0
-static struct semaphore aci_rds_sem;
+static struct mutex aci_rds_mutex;
#define RDS_DATASHIFT 2 /* Bit 2 */
#define RDS_DATAMASK (1 << RDS_DATASHIFT)
#define RDS_BUSYMASK 0x10 /* Bit 4 */
#define RDS_CLOCKMASK 0x08 /* Bit 3 */
-#define RDS_DATA(x) (((x) >> RDS_DATASHIFT) & 1)
+#define RDS_DATA(x) (((x) >> RDS_DATASHIFT) & 1)
#if DEBUG
static void print_matrix(char array[], unsigned int length)
{
- int i, j;
-
- for (i=0; i<length; i++) {
- printk(KERN_DEBUG "aci-rds: ");
- for (j=7; j>=0; j--) {
- printk("%d", (array[i] >> j) & 0x1);
- }
- if (i%8 == 0)
- printk(" byte-border\n");
- else
- printk("\n");
- }
+ int i, j;
+
+ for (i=0; i<length; i++) {
+ printk(KERN_DEBUG "aci-rds: ");
+ for (j=7; j>=0; j--) {
+ printk("%d", (array[i] >> j) & 0x1);
+ }
+ if (i%8 == 0)
+ printk(" byte-border\n");
+ else
+ printk("\n");
+ }
}
#endif /* DEBUG */
{
unsigned char sendbuffer[8];
int i;
-
+
if (byte2trans(cmd, sendbuffer, 8) != 0){
return -1;
} else {
I have to waitread() here */
if (rds_waitread() < 0)
return -1;
-
+
memset(databuffer, 0, datasize);
for (i=0; i< READSIZE; i++)
{
int ret;
- if (down_interruptible(&aci_rds_sem))
+ if (mutex_lock_interruptible(&aci_rds_mutex))
return -EINTR;
rds_write(cmd);
else
ret = 0;
- up(&aci_rds_sem);
-
+ mutex_unlock(&aci_rds_mutex);
+
return ret;
}
EXPORT_SYMBOL(aci_rds_cmd);
int __init attach_aci_rds(void)
{
- init_MUTEX(&aci_rds_sem);
+ mutex_init(&aci_rds_mutex);
return 0;
}