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libdha on linux powerpc support by Colin Leroy <colin@colino.net>

Browse Source 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7838 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-10-22 12:22:40 +00:00
parent 8c28841ed1
commit 6c8416503d
3 changed files with 74 additions and 2 deletions
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2
libdha/sysdep/AsmMacros_powerpc.h
View File

@ -55,8 +55,6 @@ static __inline__ unsigned long inl(short port)
#define intr_disable()
#define intr_enable()
#else
#error This stuff is not ported on your system
#endif
#endif

8
libdha/sysdep/pci_linux.c
View File

@ -32,8 +32,12 @@ static __inline__ int enable_os_io(void)
dhahelper_initialized = -1;
#endif
#if defined(__powerpc__) && defined(__linux__)
/* should be fixed? */
#else
if (iopl(3) != 0)
return(errno);
#endif
return(0);
}
@ -44,7 +48,11 @@ static __inline__ int disable_os_io(void)
close(dhahelper_fd);
else
#endif
#if defined(__powerpc__) && defined(__linux__)
/* should be fixed? */
#else
if (iopl(0) != 0)
return(errno);
#endif
return(0);
}

66
libdha/sysdep/pci_powerpc.c
View File

@ -6,6 +6,71 @@
static int pci_config_type( void ) { return 1; }
#if defined(__powerpc__) && defined(__linux__)
/* pci operations for powerpc Linux
questions, suggestions etc:
mplayer-dev-eng@mplayerhq.hu, colin@colino.net*/
#include <fcntl.h>
#include <sys/io.h>
#include <linux/pci.h>
#include "../../bswap.h"
static int pci_get_vendor(
unsigned char bus,
unsigned char dev,
int func)
{
int retval;
char path[100];
int fd;
short vendor, device;
sprintf(path,"/proc/bus/pci/%02d/%02x.0", bus, dev);
fd = open(path,O_RDONLY|O_SYNC);
if (fd == -1) {
retval=0xFFFF;
}
else if (pread(fd, &vendor, 2, PCI_VENDOR_ID) == 2 &&
pread(fd, &device, 2, PCI_DEVICE_ID) == 2) {
vendor = bswap_16(vendor);
device = bswap_16(device);
retval = vendor + (device<<16); /*no worries about byte order,
all ppc are bigendian*/
} else {
retval = 0xFFFF;
}
if (fd > 0) {
close(fd);
}
return retval;
}
static long pci_config_read_long(
unsigned char bus,
unsigned char dev,
int func,
unsigned cmd)
{
long retval;
char path[100];
int fd;
sprintf(path,"/proc/bus/pci/%02d/%02x.0", bus, dev);
fd = open(path,O_RDONLY|O_SYNC);
if (fd == -1) {
retval=0;
}
else if (pread(fd, &retval, 4, cmd) == 4) {
retval = bswap_32(retval);
} else {
retval = 0;
}
if (fd > 0) {
close(fd);
}
return retval;
}
#else /*Lynx/OpenBSD*/
static int pci_get_vendor(
unsigned char bus,
unsigned char dev,
@ -26,3 +91,4 @@ static long pci_config_read_long(
pciconfig_read(bus, dev<<3, cmd, 4, &retval);
return retval;
}
#endif /*Lynx/OpenBSD*/