summaryrefslogtreecommitdiff
path: root/hw/xfree86/os-support/linux/lnx_axp.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/xfree86/os-support/linux/lnx_axp.c')
-rw-r--r--hw/xfree86/os-support/linux/lnx_axp.c196
1 files changed, 196 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/linux/lnx_axp.c b/hw/xfree86/os-support/linux/lnx_axp.c
new file mode 100644
index 000000000..5813ef4e9
--- /dev/null
+++ b/hw/xfree86/os-support/linux/lnx_axp.c
@@ -0,0 +1,196 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_axp.c,v 1.5 2002/11/25 14:05:04 eich Exp $ */
+
+#include <stdio.h>
+#include "X.h"
+#include "os.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86Axp.h"
+
+axpDevice lnxGetAXP(void);
+
+typedef struct
+ { char* sysName;
+ char* sysVari;
+ char* cpu;
+ axpDevice sys; }
+AXP;
+
+static AXP axpList[] = {
+ { "Tsunami", NULL, NULL, TSUNAMI },
+ { "Eiger", NULL, NULL, TSUNAMI },
+ {"Noname", NULL, NULL, LCA },
+ { "AlphaBook1", NULL, NULL, LCA },
+ {"EB66", NULL, NULL, LCA},
+ {"EB64+",NULL,NULL, APECS},
+ {"Noritake",NULL,"EV5",CIA},
+ {"Noritake",NULL,"EV56",CIA},
+ {"Noritake",NULL,NULL,APECS},
+ {"XL",NULL,NULL,APECS},
+ {"Avanti",NULL,NULL,APECS},
+ {"Mikasa",NULL,"EV5",CIA},
+ {"Mikasa",NULL,"EV56",CIA},
+ {"Mikasa",NULL,NULL,APECS},
+ {"EB164","EB164",NULL,CIA},
+ {"EB164","PC164", NULL,CIA},
+ {"EB164","LX164",NULL, PYXIS},
+ {"EB164","SX164",NULL, PYXIS},
+ {"EB164","RX164",NULL, POLARIS},
+ {"Alcor",NULL,NULL,CIA},
+ {"Takara",NULL,NULL,CIA},
+ {"Sable",NULL, "EV5",T2_GAMMA},
+ {"Sable",NULL,"EV56",T2_GAMMA},
+ {"Sable",NULL,NULL,T2},
+ {"Rawhide",NULL,NULL,MCPCIA},
+ {"Jensen",NULL,NULL,JENSEN},
+ {"Miata",NULL,NULL,PYXIS_CIA},
+ {"Ruffian",NULL,NULL,PYXIS_CIA},
+ {"Nautilus",NULL,NULL,IRONGATE},
+ {NULL,NULL,NULL,NONE}
+};
+
+
+axpDevice
+lnxGetAXP(void)
+{
+ FILE *file;
+ int count = 0;
+ char res[256];
+ char cpu[255];
+ char systype[255];
+ char sysvari[255];
+ if (!(file = fopen("/proc/cpuinfo","r")))
+ return SYS_NONE;
+ do {
+ if (!fgets(res,0xff,file)) return SYS_NONE;
+ switch (count) {
+ case 1:
+ sscanf(res, "cpu model : %s",cpu);
+#ifdef DEBUG
+ ErrorF("CPU %s\n",cpu);
+#endif
+ break;
+ case 5:
+ sscanf(res, "system type : %s",systype);
+#ifdef DEBUG
+ ErrorF("system type : %s\n",systype);
+#endif
+ break;
+ case 6:
+ sscanf(res, "system variation : %s",sysvari);
+#ifdef DEBUG
+ ErrorF("system variation: %s\n",sysvari);
+#endif
+ break;
+ }
+ count++;
+ } while (count < 8);
+
+ fclose(file);
+
+ count = 0;
+
+ do {
+ if (!axpList[count].sysName || !strcmp(axpList[count].sysName,systype)) {
+ if (axpList[count].sysVari && strcmp(axpList[count].sysVari,sysvari)) {
+ count++;
+ continue;
+ };
+ if (axpList[count].cpu && strcmp(axpList[count].cpu,cpu)) {
+ count++;
+ continue;
+ }
+ return axpList[count].sys;
+ }
+ count++;
+ } while (1);
+}
+
+/*
+ * pciconfig_iobase wrappers and dynamic i/o selection
+ */
+#include <linux/unistd.h>
+#include <asm/pci.h>
+#include <errno.h>
+
+/* glibc versions (single hose only) */
+extern void _outb(char val, unsigned long port);
+extern void _outw(short val, unsigned long port);
+extern void _outl(int val, unsigned long port);
+extern unsigned int _inb(unsigned long port);
+extern unsigned int _inw(unsigned long port);
+extern unsigned int _inl(unsigned long port);
+
+extern void _dense_outb(char, unsigned long);
+extern void _dense_outw(short, unsigned long);
+extern void _dense_outl(int, unsigned long);
+extern unsigned int _dense_inb(unsigned long);
+extern unsigned int _dense_inw(unsigned long);
+extern unsigned int _dense_inl(unsigned long);
+
+void (*_alpha_outb)(char, unsigned long) = _outb;
+void (*_alpha_outw)(short, unsigned long) = _outw;
+void (*_alpha_outl)(int, unsigned long) = _outl;
+unsigned int (*_alpha_inb)(unsigned long) = _inb;
+unsigned int (*_alpha_inw)(unsigned long) = _inw;
+unsigned int (*_alpha_inl)(unsigned long) = _inl;
+
+static long _alpha_iobase_query(unsigned, int, int, int);
+long (*_iobase)(unsigned, int, int, int) = _alpha_iobase_query;
+
+static long
+_alpha_iobase(unsigned flags, int hose, int bus, int devfn)
+{
+#ifdef __NR_pciconfig_iobase
+ if (bus < 0) {
+ bus = hose;
+ flags |= IOBASE_FROM_HOSE;
+ }
+
+ return syscall(__NR_pciconfig_iobase, flags, bus, devfn);
+#else
+ return -ENOSYS
+#endif
+}
+
+static long
+_alpha_iobase_legacy(unsigned flags, int hose, int bus, int devfn)
+{
+ if (hose > 0) return -ENODEV;
+ if (flags & IOBASE_DENSE_MEM) return _bus_base();
+ if (flags & IOBASE_SPARSE_MEM) return _bus_base_sparse();
+ return 0;
+}
+
+static long
+_alpha_iobase_query(unsigned flags, int hose, int bus, int devfn)
+{
+ /*
+ * Only use iobase if the syscall is supported *and* it's
+ * a dense io system
+ */
+ if (_alpha_iobase(IOBASE_DENSE_IO, 0, 0, 0) > 0) {
+ /*
+ * The syscall worked and it's a dense io system - take over the
+ * io subsystem
+ */
+ _iobase = _alpha_iobase;
+
+#ifndef INCLUDE_XF86_NO_DOMAIN
+ /*
+ * Only take over the inx/outx functions if this is a dense I/O
+ * system *and* addressing domains are being used. The dense I/O
+ * routines expect I/O to be mapped (as done in xf86MapDomainIO)
+ */
+ _alpha_outb = _dense_outb;
+ _alpha_outw = _dense_outw;
+ _alpha_outl = _dense_outl;
+ _alpha_inb = _dense_inb;
+ _alpha_inw = _dense_inw;
+ _alpha_inl = _dense_inl;
+#endif /* !INCLUDE_XF86_NO_DOMAIN */
+ } else _iobase = _alpha_iobase_legacy;
+
+ return _iobase(flags, hose, bus, devfn);
+}
+