1
0
kolibrios/drivers/video/drm/i915/main.c
Sergey Semyonov (Serge) 2d34afd1e0 init modesetting
git-svn-id: svn://kolibrios.org@2330 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-12-26 19:41:30 +00:00

79 lines
1.7 KiB
C

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <errno-base.h>
#include <linux/pci.h>
#include <syscall.h>
int init_agp(void);
static char log[256];
u32_t drvEntry(int action, char *cmdline)
{
struct pci_device_id *ent;
int err = 0;
if(action != 1)
return 0;
if( GetService("DISPLAY") != 0 )
return 0;
// if( cmdline && *cmdline )
// parse_cmdline(cmdline, &usermode, log, &radeon_modeset);
if(!dbg_open(log))
{
strcpy(log, "/HD1/2/i915.log");
if(!dbg_open(log))
{
printf("Can't open %s\nExit\n", log);
return 0;
};
}
dbgprintf("i915 RC01 cmdline %s\n", cmdline);
enum_pci_devices();
err = i915_init();
// rdev = rdisplay->ddev->dev_private;
// err = RegService("DISPLAY", display_handler);
// if( err != 0)
// dbgprintf("Set DISPLAY handler\n");
return err;
};
#define PCI_CLASS_REVISION 0x08
#define PCI_CLASS_DISPLAY_VGA 0x0300
#define PCI_CLASS_BRIDGE_HOST 0x0600
#define PCI_CLASS_BRIDGE_ISA 0x0601
int pci_scan_filter(u32_t id, u32_t busnr, u32_t devfn)
{
u16_t vendor, device;
u32_t class;
int ret = 0;
vendor = id & 0xffff;
device = (id >> 16) & 0xffff;
if(vendor == 0x8086)
{
class = PciRead32(busnr, devfn, PCI_CLASS_REVISION);
class >>= 16;
if( (class == PCI_CLASS_DISPLAY_VGA) ||
(class == PCI_CLASS_BRIDGE_HOST) ||
(class == PCI_CLASS_BRIDGE_ISA))
ret = 1;
}
return ret;
};