agp.c (a163d034fadcfb4a25ca34a2ba5f491c47b6ff69) agp.c (07159f9c56de91cb7d7bd6b6a795eebfee78133e)
1/*-
2 * Copyright (c) 2000 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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717 return agp_unbind_user(dev, (agp_unbind *)data);
718
719 }
720
721 return EINVAL;
722}
723
724static int
1/*-
2 * Copyright (c) 2000 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 708 unchanged lines hidden (view full) ---

717 return agp_unbind_user(dev, (agp_unbind *)data);
718
719 }
720
721 return EINVAL;
722}
723
724static int
725agp_mmap(dev_t kdev, vm_offset_t offset, int prot)
725agp_mmap(dev_t kdev, vm_offset_t offset, vm_offset_t *paddr, int prot)
726{
727 device_t dev = KDEV2DEV(kdev);
728 struct agp_softc *sc = device_get_softc(dev);
729
730 if (offset > AGP_GET_APERTURE(dev))
731 return -1;
726{
727 device_t dev = KDEV2DEV(kdev);
728 struct agp_softc *sc = device_get_softc(dev);
729
730 if (offset > AGP_GET_APERTURE(dev))
731 return -1;
732 return atop(rman_get_start(sc->as_aperture) + offset);
732 *paddr = rman_get_start(sc->as_aperture) + offset;
733 return 0;
733}
734
735/* Implementation of the kernel api */
736
737device_t
738agp_find_device()
739{
740 if (!agp_devclass)

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735
736/* Implementation of the kernel api */
737
738device_t
739agp_find_device()
740{
741 if (!agp_devclass)

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