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--- rovclock.c.orig 2006-01-04 21:23:32 UTC
+++ rovclock.c
@@ -20,11 +20,16 @@
*/
/*****************************************************************************/
+#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
-#include <sys/io.h>
+#include <sys/types.h>
+#if !defined(__amd64__) && !defined(__i386__)
+#include <machine/pio.h>
+#endif
+#include <machine/cpufunc.h>
#include <sys/mman.h>
#include "pci.h"
@@ -122,18 +127,18 @@ struct rovclock_data {
/* PCI read/write functions */
unsigned int pci_read(u8 bus, u8 device, u8 func, u8 addr)
{
- outl(0x80000000 | (bus << 16) |
+ outl(0xcf8, 0x80000000 | (bus << 16) |
(PCI_DEVFN(device, func) << 8) |
- (addr & ~3), 0xcf8);
+ (addr & ~3));
return inl(0xcfc);
}
void pci_write(u8 bus, u8 device, u8 func, u8 addr, u32 data)
{
- outl(0x80000000 | (bus << 16) |
+ outl(0xcf8, 0x80000000 | (bus << 16) |
(PCI_DEVFN(device, func) << 8) |
- (addr & ~3), 0xcf8);
- outl(data, 0xcfc);
+ (addr & ~3));
+ outl(0xcfc, data);
}
/* Register read/write functions */
@@ -144,38 +149,38 @@ u32 reg_read(struct rovclock_data *rovclock, u32 addr)
void reg_write(struct rovclock_data *rovclock, u32 addr, u32 data)
{
- outl(data, rovclock->iobase + addr);
+ outl(rovclock->iobase + addr, data);
}
/* PLL read/write functions */
u32 pll_read(struct rovclock_data *rovclock, u32 addr)
{
- outb(addr & 0x0000003f, rovclock->iobase + CLOCK_CNTL_INDEX);
+ outb(rovclock->iobase + CLOCK_CNTL_INDEX, addr & 0x0000003f);
return inl(rovclock->iobase + CLOCK_CNTL_DATA);
}
void pll_write(struct rovclock_data *rovclock, u32 addr, u32 data)
{
- outb((addr & 0x3f) | PLL_WR_EN, rovclock->iobase + CLOCK_CNTL_INDEX);
- outl(data, rovclock->iobase + CLOCK_CNTL_DATA);
+ outb(rovclock->iobase + CLOCK_CNTL_INDEX, (addr & 0x3f) | PLL_WR_EN);
+ outl(rovclock->iobase + CLOCK_CNTL_DATA, data);
}
/* MM read/write functions */
u32 mm_read(struct rovclock_data *rovclock, u32 addr)
{
- outl(addr, rovclock->iobase + MM_INDEX);
+ outl(rovclock->iobase + MM_INDEX, addr);
return inl(rovclock->iobase + MM_DATA);
}
void mm_write(struct rovclock_data *rovclock, u32 addr, u32 data)
{
- outl(addr, rovclock->iobase + MM_INDEX);
- outl(data, rovclock->iobase + MM_DATA);
+ outl(rovclock->iobase + MM_INDEX, addr);
+ outl(rovclock->iobase + MM_DATA, data);
}
int round_div(int num, int den)
{
- return (num + (den / 2)) / den;
+ return den ? (num + (den / 2)) / den : 0;
}
/* Print usage */
@@ -281,10 +286,11 @@ void pll_set_freq(struct rovclock_data *rovclock)
/* Search for ATI card on PCI bus */
int find_card(struct rovclock_data *rovclock)
{
+ u32 id;
+#if 0
FILE *proc;
char temp;
- u32 id;
-
+
/* Check /proc/bus/pci/devices first */
if ((proc = fopen("/proc/bus/pci/devices", "r")) != NULL) {
while (fscanf(proc, "%x\t%x", &rovclock->pci_bus, &id) == 2) {
@@ -305,8 +311,9 @@ int find_card(struct rovclock_data *rovclock)
break;
}
}
+#endif
if ((rovclock->pci_id & 0xffff) != PCI_VENDOR_ID_ATI) {
- fprintf(stderr, "Search in /proc/bus/pci/devices failed, scanning the PCI bus.\n");
+ fprintf(stderr, "Scanning the PCI bus.\n");
/* Find card by scanning the PCI devices, check from bus 1 to 9 for ATI device */
rovclock->pci_dev = 0;
@@ -423,7 +430,7 @@ int main(int argc, char **argv)
}
/* Get I/O permission */
- if (iopl(3) != 0) {
+ if (open("/dev/io", O_RDONLY) < 0) {
fprintf(stderr, "Error getting I/O permissions (root?).\n");
return 1;
}
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