diff options
Diffstat (limited to 'src/video_out/libdha/sysdep/pci_lynx.c')
-rw-r--r-- | src/video_out/libdha/sysdep/pci_lynx.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/src/video_out/libdha/sysdep/pci_lynx.c b/src/video_out/libdha/sysdep/pci_lynx.c deleted file mode 100644 index b698f6308..000000000 --- a/src/video_out/libdha/sysdep/pci_lynx.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - This file is based on: - $XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $ - Modified for readability by Nick Kurshev -*/ - -#if defined(Lynx_22) -#ifndef GCCUSESGAS -#define GCCUSESGAS -#endif - -/* let's mimick the Linux Alpha stuff for LynxOS so we don't have - * to change too much code - */ -#include <smem.h> - -static unsigned char *pciConfBase; - -static __inline__ void enable_os_io(void) -{ - pciConfBase = (unsigned char *) smem_create("PCI-CONF", - (char *)0x80800000, 64*1024, SM_READ|SM_WRITE); - if (pciConfBase == (void *) -1) - exit(1); -} - -static __inline__ void disable_os_io(void) -{ - smem_create(NULL, (char *) pciConfBase, 0, SM_DETACH); - smem_remove("PCI-CONF"); - pciConfBase = NULL; -} - -#include <smem.h> - -static unsigned char *pciConfBase; - -static __inline__ unsigned long -static swapl(unsigned long val) -{ - unsigned char *p = (unsigned char *)&val; - return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | (p[0] << 0)); -} - - -#define BUS(tag) (((tag)>>16)&0xff) -#define DFN(tag) (((tag)>>8)&0xff) - -#define PCIBIOS_DEVICE_NOT_FOUND 0x86 -#define PCIBIOS_SUCCESSFUL 0x00 - -static int pciconfig_read( - unsigned char bus, - unsigned char dev, - unsigned char offset, - int len, /* unused, alway 4 */ - unsigned long *val) -{ - unsigned long _val; - unsigned long *ptr; - - dev >>= 3; - if (bus || dev >= 16) { - *val = 0xFFFFFFFF; - return PCIBIOS_DEVICE_NOT_FOUND; - } else { - ptr = (unsigned long *)(pciConfBase + ((1<<dev) | offset)); - _val = swapl(*ptr); - } - *val = _val; - return PCIBIOS_SUCCESSFUL; -} - -static int pciconfig_write( - unsigned char bus, - unsigned char dev, - unsigned char offset, - int len, /* unused, alway 4 */ - unsigned long val) -{ - unsigned long _val; - unsigned long *ptr; - - dev >>= 3; - _val = swapl(val); - if (bus || dev >= 16) { - return PCIBIOS_DEVICE_NOT_FOUND; - } else { - ptr = (unsigned long *)(pciConfBase + ((1<<dev) | offset)); - *ptr = _val; - } - return PCIBIOS_SUCCESSFUL; -} |