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