1133852Sobrien/*- 2150645Sjkim * Copyright (c) 2004, 2005 Jung-uk Kim <jkim@FreeBSD.org> 3133852Sobrien * All rights reserved. 4133852Sobrien * 5133852Sobrien * Redistribution and use in source and binary forms, with or without 6133852Sobrien * modification, are permitted provided that the following conditions 7133852Sobrien * are met: 8133852Sobrien * 1. Redistributions of source code must retain the above copyright 9133852Sobrien * notice, this list of conditions and the following disclaimer. 10133852Sobrien * 2. Redistributions in binary form must reproduce the above copyright 11133852Sobrien * notice, this list of conditions and the following disclaimer in the 12133852Sobrien * documentation and/or other materials provided with the distribution. 13133852Sobrien * 14133852Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15133852Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16133852Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17133852Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18133852Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19133852Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20133852Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21133852Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22133852Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23133852Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24133852Sobrien * SUCH DAMAGE. 25133852Sobrien */ 26133852Sobrien 27133852Sobrien#include <sys/cdefs.h> 28133852Sobrien__FBSDID("$FreeBSD$"); 29133852Sobrien 30133852Sobrien#include <sys/param.h> 31133852Sobrien#include <sys/systm.h> 32133852Sobrien#include <sys/malloc.h> 33133852Sobrien#include <sys/kernel.h> 34133852Sobrien#include <sys/module.h> 35133852Sobrien#include <sys/bus.h> 36133852Sobrien#include <sys/lock.h> 37133852Sobrien#include <sys/mutex.h> 38133852Sobrien#include <sys/proc.h> 39133852Sobrien 40173573Sjhb#include <dev/agp/agppriv.h> 41173573Sjhb#include <dev/agp/agpreg.h> 42133852Sobrien#include <dev/pci/pcivar.h> 43133852Sobrien#include <dev/pci/pcireg.h> 44133852Sobrien 45133852Sobrien#include <vm/vm.h> 46133852Sobrien#include <vm/vm_object.h> 47133852Sobrien#include <vm/pmap.h> 48133852Sobrien#include <machine/bus.h> 49133852Sobrien#include <machine/resource.h> 50133852Sobrien#include <sys/rman.h> 51133852Sobrien 52133852Sobrien/* XXX */ 53133852Sobrienextern void pci_cfgregwrite(int, int, int, int, uint32_t, int); 54133852Sobrienextern uint32_t pci_cfgregread(int, int, int, int, int); 55133852Sobrien 56150645Sjkimstatic void agp_amd64_apbase_fixup(device_t); 57150645Sjkim 58150645Sjkimstatic void agp_amd64_uli_init(device_t); 59150645Sjkimstatic int agp_amd64_uli_set_aperture(device_t, uint32_t); 60150645Sjkim 61150645Sjkimstatic int agp_amd64_nvidia_match(uint16_t); 62150645Sjkimstatic void agp_amd64_nvidia_init(device_t); 63150645Sjkimstatic int agp_amd64_nvidia_set_aperture(device_t, uint32_t); 64150645Sjkim 65152435Sjkimstatic int agp_amd64_via_match(void); 66152435Sjkimstatic void agp_amd64_via_init(device_t); 67152435Sjkimstatic int agp_amd64_via_set_aperture(device_t, uint32_t); 68152435Sjkim 69133852SobrienMALLOC_DECLARE(M_AGP); 70133852Sobrien 71133852Sobrien#define AMD64_MAX_MCTRL 8 72133852Sobrien 73133852Sobrienstruct agp_amd64_softc { 74133852Sobrien struct agp_softc agp; 75150645Sjkim uint32_t initial_aperture; 76150645Sjkim struct agp_gatt *gatt; 77150645Sjkim uint32_t apbase; 78150645Sjkim int mctrl[AMD64_MAX_MCTRL]; 79150645Sjkim int n_mctrl; 80152435Sjkim int via_agp; 81133852Sobrien}; 82133852Sobrien 83133852Sobrienstatic const char* 84133852Sobrienagp_amd64_match(device_t dev) 85133852Sobrien{ 86163181Sjkim if (pci_get_class(dev) != PCIC_BRIDGE || 87163181Sjkim pci_get_subclass(dev) != PCIS_BRIDGE_HOST || 88163181Sjkim agp_find_caps(dev) == 0) 89163181Sjkim return (NULL); 90133852Sobrien 91133852Sobrien switch (pci_get_devid(dev)) { 92133852Sobrien case 0x74541022: 93133852Sobrien return ("AMD 8151 AGP graphics tunnel"); 94141885Sanholt case 0x07551039: 95133852Sobrien return ("SiS 755 host to AGP bridge"); 96159075Sjkim case 0x07601039: 97159075Sjkim return ("SiS 760 host to AGP bridge"); 98150645Sjkim case 0x168910b9: 99150645Sjkim return ("ULi M1689 AGP Controller"); 100144517Sobrien case 0x00d110de: 101150645Sjkim if (agp_amd64_nvidia_match(0x00d2)) 102163181Sjkim return (NULL); 103144517Sobrien return ("NVIDIA nForce3 AGP Controller"); 104144809Sobrien case 0x00e110de: 105150645Sjkim if (agp_amd64_nvidia_match(0x00e2)) 106163181Sjkim return (NULL); 107144809Sobrien return ("NVIDIA nForce3-250 AGP Controller"); 108133852Sobrien case 0x02041106: 109133852Sobrien return ("VIA 8380 host to PCI bridge"); 110150645Sjkim case 0x02381106: 111150645Sjkim return ("VIA 3238 host to PCI bridge"); 112136133Sanholt case 0x02821106: 113136133Sanholt return ("VIA K8T800Pro host to PCI bridge"); 114133852Sobrien case 0x31881106: 115133852Sobrien return ("VIA 8385 host to PCI bridge"); 116244926Santoine } 117133852Sobrien 118163181Sjkim return (NULL); 119133852Sobrien} 120133852Sobrien 121133852Sobrienstatic int 122150645Sjkimagp_amd64_nvidia_match(uint16_t devid) 123150645Sjkim{ 124150645Sjkim /* XXX nForce3 requires secondary AGP bridge at 0:11:0. */ 125150645Sjkim if (pci_cfgregread(0, 11, 0, PCIR_CLASS, 1) != PCIC_BRIDGE || 126150645Sjkim pci_cfgregread(0, 11, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI || 127150645Sjkim pci_cfgregread(0, 11, 0, PCIR_VENDOR, 2) != 0x10de || 128150645Sjkim pci_cfgregread(0, 11, 0, PCIR_DEVICE, 2) != devid) 129163181Sjkim return (ENXIO); 130150645Sjkim 131163181Sjkim return (0); 132150645Sjkim} 133150645Sjkim 134150645Sjkimstatic int 135152435Sjkimagp_amd64_via_match(void) 136152435Sjkim{ 137152435Sjkim /* XXX Some VIA bridge requires secondary AGP bridge at 0:1:0. */ 138152435Sjkim if (pci_cfgregread(0, 1, 0, PCIR_CLASS, 1) != PCIC_BRIDGE || 139152435Sjkim pci_cfgregread(0, 1, 0, PCIR_SUBCLASS, 1) != PCIS_BRIDGE_PCI || 140152435Sjkim pci_cfgregread(0, 1, 0, PCIR_VENDOR, 2) != 0x1106 || 141152435Sjkim pci_cfgregread(0, 1, 0, PCIR_DEVICE, 2) != 0xb188 || 142152435Sjkim (pci_cfgregread(0, 1, 0, AGP_VIA_AGPSEL, 1) & 2)) 143163181Sjkim return (0); 144152435Sjkim 145163181Sjkim return (1); 146152435Sjkim} 147152435Sjkim 148152435Sjkimstatic int 149133852Sobrienagp_amd64_probe(device_t dev) 150133852Sobrien{ 151133852Sobrien const char *desc; 152133852Sobrien 153241885Seadler if (resource_disabled("agp", device_get_unit(dev))) 154241885Seadler return (ENXIO); 155133852Sobrien if ((desc = agp_amd64_match(dev))) { 156133852Sobrien device_set_desc(dev, desc); 157163181Sjkim return (BUS_PROBE_DEFAULT); 158133852Sobrien } 159133852Sobrien 160163181Sjkim return (ENXIO); 161133852Sobrien} 162133852Sobrien 163133852Sobrienstatic int 164133852Sobrienagp_amd64_attach(device_t dev) 165133852Sobrien{ 166133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 167133852Sobrien struct agp_gatt *gatt; 168187100Sjkim uint32_t devid; 169133852Sobrien int i, n, error; 170133852Sobrien 171187100Sjkim for (i = 0, n = 0; i < PCI_SLOTMAX && n < AMD64_MAX_MCTRL; i++) { 172187100Sjkim devid = pci_cfgregread(0, i, 3, 0, 4); 173187100Sjkim if (devid == 0x11031022 || devid == 0x12031022) { 174133852Sobrien sc->mctrl[n] = i; 175133852Sobrien n++; 176133852Sobrien } 177187100Sjkim } 178133852Sobrien if (n == 0) 179163181Sjkim return (ENXIO); 180133852Sobrien 181133852Sobrien sc->n_mctrl = n; 182133852Sobrien 183161518Sjkim if (bootverbose) 184150645Sjkim device_printf(dev, "%d Miscellaneous Control unit(s) found.\n", 185150645Sjkim sc->n_mctrl); 186133852Sobrien 187133852Sobrien if ((error = agp_generic_attach(dev))) 188163181Sjkim return (error); 189133852Sobrien 190133852Sobrien sc->initial_aperture = AGP_GET_APERTURE(dev); 191133852Sobrien 192133852Sobrien for (;;) { 193133852Sobrien gatt = agp_alloc_gatt(dev); 194133852Sobrien if (gatt) 195133852Sobrien break; 196133852Sobrien 197133852Sobrien /* 198133852Sobrien * Probably contigmalloc failure. Try reducing the 199133852Sobrien * aperture so that the gatt size reduces. 200133852Sobrien */ 201133852Sobrien if (AGP_SET_APERTURE(dev, AGP_GET_APERTURE(dev) / 2)) { 202133852Sobrien agp_generic_detach(dev); 203163181Sjkim return (ENOMEM); 204133852Sobrien } 205133852Sobrien } 206133852Sobrien sc->gatt = gatt; 207133852Sobrien 208152435Sjkim switch (pci_get_vendor(dev)) { 209152435Sjkim case 0x10b9: /* ULi */ 210152435Sjkim agp_amd64_uli_init(dev); 211152435Sjkim if (agp_amd64_uli_set_aperture(dev, sc->initial_aperture)) 212163181Sjkim return (ENXIO); 213152435Sjkim break; 214152435Sjkim 215152435Sjkim case 0x10de: /* nVidia */ 216152435Sjkim agp_amd64_nvidia_init(dev); 217152435Sjkim if (agp_amd64_nvidia_set_aperture(dev, sc->initial_aperture)) 218163181Sjkim return (ENXIO); 219152435Sjkim break; 220152435Sjkim 221152435Sjkim case 0x1106: /* VIA */ 222152435Sjkim sc->via_agp = agp_amd64_via_match(); 223152435Sjkim if (sc->via_agp) { 224152435Sjkim agp_amd64_via_init(dev); 225152435Sjkim if (agp_amd64_via_set_aperture(dev, 226152435Sjkim sc->initial_aperture)) 227163181Sjkim return (ENXIO); 228152435Sjkim } 229152435Sjkim break; 230152435Sjkim } 231152435Sjkim 232133852Sobrien /* Install the gatt and enable aperture. */ 233133852Sobrien for (i = 0; i < sc->n_mctrl; i++) { 234133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_ATTBASE, 235133852Sobrien (uint32_t)(gatt->ag_physical >> 8) & AGP_AMD64_ATTBASE_MASK, 236133852Sobrien 4); 237133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 238133852Sobrien (pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) | 239133852Sobrien AGP_AMD64_APCTRL_GARTEN) & 240133852Sobrien ~(AGP_AMD64_APCTRL_DISGARTCPU | AGP_AMD64_APCTRL_DISGARTIO), 241133852Sobrien 4); 242133852Sobrien } 243133852Sobrien 244133852Sobrien agp_flush_cache(); 245133852Sobrien 246163181Sjkim return (0); 247133852Sobrien} 248133852Sobrien 249133852Sobrienstatic int 250133852Sobrienagp_amd64_detach(device_t dev) 251133852Sobrien{ 252133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 253173203Sjhb int i; 254133852Sobrien 255173203Sjhb agp_free_cdev(dev); 256133852Sobrien 257133852Sobrien for (i = 0; i < sc->n_mctrl; i++) 258133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 259133852Sobrien pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_APCTRL, 4) & 260133852Sobrien ~AGP_AMD64_APCTRL_GARTEN, 4); 261133852Sobrien 262133852Sobrien AGP_SET_APERTURE(dev, sc->initial_aperture); 263133852Sobrien agp_free_gatt(sc->gatt); 264173203Sjhb agp_free_res(dev); 265133852Sobrien 266163181Sjkim return (0); 267133852Sobrien} 268133852Sobrien 269133852Sobrienstatic uint32_t agp_amd64_table[] = { 270133852Sobrien 0x02000000, /* 32 MB */ 271133852Sobrien 0x04000000, /* 64 MB */ 272133852Sobrien 0x08000000, /* 128 MB */ 273133852Sobrien 0x10000000, /* 256 MB */ 274133852Sobrien 0x20000000, /* 512 MB */ 275133852Sobrien 0x40000000, /* 1024 MB */ 276133852Sobrien 0x80000000, /* 2048 MB */ 277133852Sobrien}; 278133852Sobrien 279133852Sobrien#define AGP_AMD64_TABLE_SIZE \ 280133852Sobrien (sizeof(agp_amd64_table) / sizeof(agp_amd64_table[0])) 281133852Sobrien 282133852Sobrienstatic uint32_t 283133852Sobrienagp_amd64_get_aperture(device_t dev) 284133852Sobrien{ 285133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 286133852Sobrien uint32_t i; 287133852Sobrien 288133852Sobrien i = (pci_cfgregread(0, sc->mctrl[0], 3, AGP_AMD64_APCTRL, 4) & 289133852Sobrien AGP_AMD64_APCTRL_SIZE_MASK) >> 1; 290133852Sobrien 291133852Sobrien if (i >= AGP_AMD64_TABLE_SIZE) 292163181Sjkim return (0); 293133852Sobrien 294133852Sobrien return (agp_amd64_table[i]); 295133852Sobrien} 296133852Sobrien 297133852Sobrienstatic int 298133852Sobrienagp_amd64_set_aperture(device_t dev, uint32_t aperture) 299133852Sobrien{ 300133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 301133852Sobrien uint32_t i; 302133852Sobrien int j; 303133852Sobrien 304133852Sobrien for (i = 0; i < AGP_AMD64_TABLE_SIZE; i++) 305133852Sobrien if (agp_amd64_table[i] == aperture) 306133852Sobrien break; 307150645Sjkim if (i >= AGP_AMD64_TABLE_SIZE) 308163181Sjkim return (EINVAL); 309133852Sobrien 310133852Sobrien for (j = 0; j < sc->n_mctrl; j++) 311133852Sobrien pci_cfgregwrite(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 312133852Sobrien (pci_cfgregread(0, sc->mctrl[j], 3, AGP_AMD64_APCTRL, 4) & 313133852Sobrien ~(AGP_AMD64_APCTRL_SIZE_MASK)) | (i << 1), 4); 314133852Sobrien 315150645Sjkim switch (pci_get_vendor(dev)) { 316150645Sjkim case 0x10b9: /* ULi */ 317150645Sjkim return (agp_amd64_uli_set_aperture(dev, aperture)); 318150645Sjkim break; 319150645Sjkim 320150645Sjkim case 0x10de: /* nVidia */ 321150645Sjkim return (agp_amd64_nvidia_set_aperture(dev, aperture)); 322150645Sjkim break; 323152435Sjkim 324152435Sjkim case 0x1106: /* VIA */ 325152435Sjkim if (sc->via_agp) 326152435Sjkim return (agp_amd64_via_set_aperture(dev, aperture)); 327152435Sjkim break; 328150645Sjkim } 329150645Sjkim 330163181Sjkim return (0); 331133852Sobrien} 332133852Sobrien 333133852Sobrienstatic int 334189578Simpagp_amd64_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical) 335133852Sobrien{ 336133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 337133852Sobrien 338190169Srnoland if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 339163181Sjkim return (EINVAL); 340133852Sobrien 341163180Sjkim sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 342163180Sjkim (physical & 0xfffff000) | ((physical >> 28) & 0x00000ff0) | 3; 343163180Sjkim 344163181Sjkim return (0); 345133852Sobrien} 346133852Sobrien 347133852Sobrienstatic int 348189578Simpagp_amd64_unbind_page(device_t dev, vm_offset_t offset) 349133852Sobrien{ 350133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 351133852Sobrien 352190169Srnoland if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 353163181Sjkim return (EINVAL); 354133852Sobrien 355133852Sobrien sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0; 356163181Sjkim 357163181Sjkim return (0); 358133852Sobrien} 359133852Sobrien 360133852Sobrienstatic void 361133852Sobrienagp_amd64_flush_tlb(device_t dev) 362133852Sobrien{ 363133852Sobrien struct agp_amd64_softc *sc = device_get_softc(dev); 364133852Sobrien int i; 365133852Sobrien 366133852Sobrien for (i = 0; i < sc->n_mctrl; i++) 367133852Sobrien pci_cfgregwrite(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL, 368133852Sobrien pci_cfgregread(0, sc->mctrl[i], 3, AGP_AMD64_CACHECTRL, 4) | 369133852Sobrien AGP_AMD64_CACHECTRL_INVGART, 4); 370133852Sobrien} 371133852Sobrien 372150645Sjkimstatic void 373150645Sjkimagp_amd64_apbase_fixup(device_t dev) 374150645Sjkim{ 375150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 376150645Sjkim uint32_t apbase; 377150645Sjkim int i; 378150645Sjkim 379161518Sjkim sc->apbase = rman_get_start(sc->agp.as_aperture); 380161518Sjkim apbase = (sc->apbase >> 25) & AGP_AMD64_APBASE_MASK; 381150645Sjkim for (i = 0; i < sc->n_mctrl; i++) 382161518Sjkim pci_cfgregwrite(0, sc->mctrl[i], 3, 383161518Sjkim AGP_AMD64_APBASE, apbase, 4); 384150645Sjkim} 385150645Sjkim 386150645Sjkimstatic void 387150645Sjkimagp_amd64_uli_init(device_t dev) 388150645Sjkim{ 389150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 390150645Sjkim 391150645Sjkim agp_amd64_apbase_fixup(dev); 392150645Sjkim pci_write_config(dev, AGP_AMD64_ULI_APBASE, 393150645Sjkim (pci_read_config(dev, AGP_AMD64_ULI_APBASE, 4) & 0x0000000f) | 394150645Sjkim sc->apbase, 4); 395150645Sjkim pci_write_config(dev, AGP_AMD64_ULI_HTT_FEATURE, sc->apbase, 4); 396150645Sjkim} 397150645Sjkim 398150645Sjkimstatic int 399150645Sjkimagp_amd64_uli_set_aperture(device_t dev, uint32_t aperture) 400150645Sjkim{ 401150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 402150645Sjkim 403150645Sjkim switch (aperture) { 404150645Sjkim case 0x02000000: /* 32 MB */ 405150645Sjkim case 0x04000000: /* 64 MB */ 406150645Sjkim case 0x08000000: /* 128 MB */ 407150645Sjkim case 0x10000000: /* 256 MB */ 408150645Sjkim break; 409150645Sjkim default: 410163181Sjkim return (EINVAL); 411150645Sjkim } 412150645Sjkim 413150645Sjkim pci_write_config(dev, AGP_AMD64_ULI_ENU_SCR, 414150645Sjkim sc->apbase + aperture - 1, 4); 415150645Sjkim 416163181Sjkim return (0); 417150645Sjkim} 418150645Sjkim 419150645Sjkimstatic void 420150645Sjkimagp_amd64_nvidia_init(device_t dev) 421150645Sjkim{ 422150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 423150645Sjkim 424150645Sjkim agp_amd64_apbase_fixup(dev); 425150645Sjkim pci_write_config(dev, AGP_AMD64_NVIDIA_0_APBASE, 426150645Sjkim (pci_read_config(dev, AGP_AMD64_NVIDIA_0_APBASE, 4) & 0x0000000f) | 427150645Sjkim sc->apbase, 4); 428150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE1, sc->apbase, 4); 429150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APBASE2, sc->apbase, 4); 430150645Sjkim} 431150645Sjkim 432150645Sjkimstatic int 433150645Sjkimagp_amd64_nvidia_set_aperture(device_t dev, uint32_t aperture) 434150645Sjkim{ 435150645Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 436150645Sjkim uint32_t apsize; 437150645Sjkim 438150645Sjkim switch (aperture) { 439150645Sjkim case 0x02000000: apsize = 0x0f; break; /* 32 MB */ 440150645Sjkim case 0x04000000: apsize = 0x0e; break; /* 64 MB */ 441150645Sjkim case 0x08000000: apsize = 0x0c; break; /* 128 MB */ 442150645Sjkim case 0x10000000: apsize = 0x08; break; /* 256 MB */ 443150645Sjkim case 0x20000000: apsize = 0x00; break; /* 512 MB */ 444150645Sjkim default: 445163181Sjkim return (EINVAL); 446150645Sjkim } 447150645Sjkim 448150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 449150645Sjkim (pci_cfgregread(0, 11, 0, AGP_AMD64_NVIDIA_1_APSIZE, 4) & 450150645Sjkim 0xfffffff0) | apsize, 4); 451150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT1, 452150645Sjkim sc->apbase + aperture - 1, 4); 453150645Sjkim pci_cfgregwrite(0, 11, 0, AGP_AMD64_NVIDIA_1_APLIMIT2, 454150645Sjkim sc->apbase + aperture - 1, 4); 455150645Sjkim 456163181Sjkim return (0); 457150645Sjkim} 458150645Sjkim 459152435Sjkimstatic void 460152435Sjkimagp_amd64_via_init(device_t dev) 461152435Sjkim{ 462152435Sjkim struct agp_amd64_softc *sc = device_get_softc(dev); 463152435Sjkim 464152435Sjkim agp_amd64_apbase_fixup(dev); 465152435Sjkim pci_cfgregwrite(0, 1, 0, AGP3_VIA_ATTBASE, sc->gatt->ag_physical, 4); 466152435Sjkim pci_cfgregwrite(0, 1, 0, AGP3_VIA_GARTCTRL, 467152435Sjkim pci_cfgregread(0, 1, 0, AGP3_VIA_ATTBASE, 4) | 0x180, 4); 468152435Sjkim} 469152435Sjkim 470152435Sjkimstatic int 471152435Sjkimagp_amd64_via_set_aperture(device_t dev, uint32_t aperture) 472152435Sjkim{ 473152435Sjkim uint32_t apsize; 474152435Sjkim 475152435Sjkim apsize = ((aperture - 1) >> 20) ^ 0xff; 476152435Sjkim if ((((apsize ^ 0xff) << 20) | ((1 << 20) - 1)) + 1 != aperture) 477163181Sjkim return (EINVAL); 478152435Sjkim pci_cfgregwrite(0, 1, 0, AGP3_VIA_APSIZE, apsize, 1); 479152435Sjkim 480163181Sjkim return (0); 481152435Sjkim} 482152435Sjkim 483133852Sobrienstatic device_method_t agp_amd64_methods[] = { 484133852Sobrien /* Device interface */ 485133852Sobrien DEVMETHOD(device_probe, agp_amd64_probe), 486133852Sobrien DEVMETHOD(device_attach, agp_amd64_attach), 487133852Sobrien DEVMETHOD(device_detach, agp_amd64_detach), 488133852Sobrien DEVMETHOD(device_shutdown, bus_generic_shutdown), 489133852Sobrien DEVMETHOD(device_suspend, bus_generic_suspend), 490133852Sobrien DEVMETHOD(device_resume, bus_generic_resume), 491133852Sobrien 492133852Sobrien /* AGP interface */ 493133852Sobrien DEVMETHOD(agp_get_aperture, agp_amd64_get_aperture), 494133852Sobrien DEVMETHOD(agp_set_aperture, agp_amd64_set_aperture), 495133852Sobrien DEVMETHOD(agp_bind_page, agp_amd64_bind_page), 496133852Sobrien DEVMETHOD(agp_unbind_page, agp_amd64_unbind_page), 497133852Sobrien DEVMETHOD(agp_flush_tlb, agp_amd64_flush_tlb), 498133852Sobrien DEVMETHOD(agp_enable, agp_generic_enable), 499133852Sobrien DEVMETHOD(agp_alloc_memory, agp_generic_alloc_memory), 500133852Sobrien DEVMETHOD(agp_free_memory, agp_generic_free_memory), 501133852Sobrien DEVMETHOD(agp_bind_memory, agp_generic_bind_memory), 502133852Sobrien DEVMETHOD(agp_unbind_memory, agp_generic_unbind_memory), 503133852Sobrien 504133852Sobrien { 0, 0 } 505133852Sobrien}; 506133852Sobrien 507133852Sobrienstatic driver_t agp_amd64_driver = { 508133852Sobrien "agp", 509133852Sobrien agp_amd64_methods, 510133852Sobrien sizeof(struct agp_amd64_softc), 511133852Sobrien}; 512133852Sobrien 513133852Sobrienstatic devclass_t agp_devclass; 514133852Sobrien 515153572SjhbDRIVER_MODULE(agp_amd64, hostb, agp_amd64_driver, agp_devclass, 0, 0); 516133852SobrienMODULE_DEPEND(agp_amd64, agp, 1, 1, 1); 517133852SobrienMODULE_DEPEND(agp_amd64, pci, 1, 1, 1); 518