diff options
Diffstat (limited to 'sys/dev/pci/agp_i810.c')
| -rw-r--r-- | sys/dev/pci/agp_i810.c | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/sys/dev/pci/agp_i810.c b/sys/dev/pci/agp_i810.c index c2d3dbd4575..e62529daff7 100644 --- a/sys/dev/pci/agp_i810.c +++ b/sys/dev/pci/agp_i810.c @@ -1,4 +1,4 @@ -/* $OpenBSD: agp_i810.c,v 1.23 2007/11/28 23:37:34 oga Exp $ */ +/* $OpenBSD: agp_i810.c,v 1.24 2007/12/02 14:44:20 oga Exp $ */ /* $NetBSD: agp_i810.c,v 1.15 2003/01/31 00:07:39 thorpej Exp $ */ /*- @@ -55,22 +55,9 @@ #define READ1(off) bus_space_read_1(isc->bst, isc->bsh, off) #define READ4(off) bus_space_read_4(isc->bst, isc->bsh, off) #define WRITE4(off,v) bus_space_write_4(isc->bst, isc->bsh, off, v) -#define WRITEGTT(off,v) \ - do { \ - if (isc->chiptype == CHIP_I915) { \ - bus_space_write_4(isc->gtt_bst, isc->gtt_bsh, \ - (u_int32_t)((off) >> AGP_PAGE_SHIFT) * 4, \ - (v) ? ((v)|1) : 0); \ - } else if (isc->chiptype == CHIP_I965) { \ - WRITE4(AGP_I965_GTT + \ - (u_int32_t)((off) >> AGP_PAGE_SHIFT) * 4, \ - (v) ? ((v) | 1) : 0); \ - } else { \ - WRITE4(AGP_I810_GTT + \ - (u_int32_t)((off) >> AGP_PAGE_SHIFT) * 4, \ - (v) ? ((v) | 1) : 0); \ - } \ - } while (0) + +#define WRITEGTT(off,v) bus_space_write_4(isc->gtt_bst, isc->gtt_bsh, off, v) +#define WRITE_GATT(off,v) agp_i810_write_gatt(isc, off, v) enum { @@ -109,6 +96,7 @@ int agp_i810_free_memory(struct agp_softc *, struct agp_memory *); int agp_i810_bind_memory(struct agp_softc *, struct agp_memory *, off_t); int agp_i810_unbind_memory(struct agp_softc *, struct agp_memory *); +void agp_i810_write_gatt(struct agp_i810_softc *, bus_size_t, u_int32_t); struct agp_methods agp_i810_methods = { agp_i810_get_aperture, @@ -642,7 +630,7 @@ agp_i810_bind_page(struct agp_softc *sc, off_t offset, bus_addr_t physical) } } - WRITEGTT(offset, physical); + WRITE_GATT(offset, physical); return (0); } @@ -663,7 +651,7 @@ agp_i810_unbind_page(struct agp_softc *sc, off_t offset) } } - WRITEGTT(offset, 0); + WRITE_GATT(offset, 0); return (0); } @@ -798,7 +786,7 @@ agp_i810_bind_memory(struct agp_softc *sc, struct agp_memory *mem, if (mem->am_type == 2) { for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) { - WRITEGTT(offset + i, (mem->am_physical + i)); + WRITE_GATT(offset + i, (mem->am_physical + i)); } mem->am_offset = offset; mem->am_is_bound = 1; @@ -812,7 +800,8 @@ agp_i810_bind_memory(struct agp_softc *sc, struct agp_memory *mem, return (EINVAL); for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) - WRITEGTT(offset, i); + WRITE4(AGP_I810_GTT + + (u_int32_t)(offset >> AGP_PAGE_SHIFT) * 4, i | 3); mem->am_is_bound = 1; return (0); } @@ -825,7 +814,7 @@ agp_i810_unbind_memory(struct agp_softc *sc, struct agp_memory *mem) if (mem->am_type == 2) { for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) { - WRITEGTT(mem->am_offset + i, 0); + WRITE_GATT(mem->am_offset + i, 0); } mem->am_offset = 0; mem->am_is_bound = 0; @@ -839,7 +828,25 @@ agp_i810_unbind_memory(struct agp_softc *sc, struct agp_memory *mem) return (EINVAL); for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) - WRITEGTT(i,0); + WRITE4(AGP_I810_GTT + (i >> AGP_PAGE_SHIFT) * 4, 0); mem->am_is_bound = 0; return (0); } + +void +agp_i810_write_gatt(struct agp_i810_softc *isc, bus_size_t off, u_int32_t v) +{ + u_int32_t d; + + d = v | 1; + + if (isc->chiptype == CHIP_I915) + WRITEGTT((u_int32_t)((off) >> AGP_PAGE_SHIFT) * 4, v ? d : 0); + else if (isc->chiptype == CHIP_I965) { + d |= (v & 0x0000000f00000000ULL) >> 28; + WRITE4(AGP_I965_GTT + + (u_int32_t)((off) >> AGP_PAGE_SHIFT) * 4, v ? d : 0); + } else + WRITE4(AGP_I810_GTT + + (u_int32_t)((off) >> AGP_PAGE_SHIFT) * 4, v ? d : 0); +} |