| 1 | /* |
| 2 | * Copyright (c) 2000 Doug Rabson |
| 3 | * Copyright (c) 2000 Ruslan Ermilov |
| 4 | * Copyright (c) 2011 The FreeBSD Foundation |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Portions of this software were developed by Konstantin Belousov |
| 8 | * under sponsorship from the FreeBSD Foundation. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | /* |
| 33 | * Fixes for 830/845G support: David Dawes <dawes@xfree86.org> |
| 34 | * 852GM/855GM/865G support added by David Dawes <dawes@xfree86.org> |
| 35 | * |
| 36 | * This is generic Intel GTT handling code, morphed from the AGP |
| 37 | * bridge code. |
| 38 | */ |
| 39 | |
| 40 | #if 0 |
| 41 | #define KTR_AGP_I810 KTR_DEV |
| 42 | #else |
| 43 | #define KTR_AGP_I810 0 |
| 44 | #endif |
| 45 | |
| 46 | #include <sys/param.h> |
| 47 | #include <sys/systm.h> |
| 48 | #include <sys/malloc.h> |
| 49 | #include <sys/kernel.h> |
| 50 | #include <sys/bus.h> |
| 51 | #include <sys/lock.h> |
| 52 | #include <sys/rman.h> |
| 53 | |
| 54 | #include "pcidevs.h" |
| 55 | #include <bus/pci/pcivar.h> |
| 56 | #include <bus/pci/pcireg.h> |
| 57 | #include "agppriv.h" |
| 58 | #include "agpreg.h" |
| 59 | #include <drm/intel-gtt.h> |
| 60 | |
| 61 | #include <vm/vm.h> |
| 62 | #include <vm/vm_object.h> |
| 63 | #include <vm/vm_page.h> |
| 64 | #include <vm/vm_pageout.h> |
| 65 | #include <vm/pmap.h> |
| 66 | |
| 67 | #include <machine/md_var.h> |
| 68 | |
| 69 | #define bus_read_1(r, o) \ |
| 70 | bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o)) |
| 71 | #define bus_read_4(r, o) \ |
| 72 | bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o)) |
| 73 | #define bus_write_4(r, o, v) \ |
| 74 | bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v)) |
| 75 | |
| 76 | MALLOC_DECLARE(M_AGP); |
| 77 | |
| 78 | struct agp_i810_match; |
| 79 | |
| 80 | static int agp_i915_check_active(device_t bridge_dev); |
| 81 | static int agp_sb_check_active(device_t bridge_dev); |
| 82 | |
| 83 | static void agp_i810_set_desc(device_t dev, const struct agp_i810_match *match); |
| 84 | |
| 85 | static void agp_i915_dump_regs(device_t dev); |
| 86 | static void agp_i965_dump_regs(device_t dev); |
| 87 | static void agp_sb_dump_regs(device_t dev); |
| 88 | |
| 89 | static int agp_i915_get_stolen_size(device_t dev); |
| 90 | static int agp_sb_get_stolen_size(device_t dev); |
| 91 | static int agp_gen8_get_stolen_size(device_t dev); |
| 92 | |
| 93 | static int agp_i915_get_gtt_mappable_entries(device_t dev); |
| 94 | |
| 95 | static int agp_i810_get_gtt_total_entries(device_t dev); |
| 96 | static int agp_i965_get_gtt_total_entries(device_t dev); |
| 97 | static int agp_gen5_get_gtt_total_entries(device_t dev); |
| 98 | static int agp_sb_get_gtt_total_entries(device_t dev); |
| 99 | static int agp_gen8_get_gtt_total_entries(device_t dev); |
| 100 | |
| 101 | static int agp_i830_install_gatt(device_t dev); |
| 102 | |
| 103 | static void agp_i830_deinstall_gatt(device_t dev); |
| 104 | |
| 105 | static void agp_i915_install_gtt_pte(device_t dev, u_int index, |
| 106 | vm_offset_t physical, int flags); |
| 107 | static void agp_i965_install_gtt_pte(device_t dev, u_int index, |
| 108 | vm_offset_t physical, int flags); |
| 109 | static void agp_g4x_install_gtt_pte(device_t dev, u_int index, |
| 110 | vm_offset_t physical, int flags); |
| 111 | static void agp_sb_install_gtt_pte(device_t dev, u_int index, |
| 112 | vm_offset_t physical, int flags); |
| 113 | static void agp_gen8_install_gtt_pte(device_t dev, u_int index, |
| 114 | vm_offset_t physical, int flags); |
| 115 | |
| 116 | static void agp_i915_write_gtt(device_t dev, u_int index, uint32_t pte); |
| 117 | static void agp_i965_write_gtt(device_t dev, u_int index, uint32_t pte); |
| 118 | static void agp_g4x_write_gtt(device_t dev, u_int index, uint32_t pte); |
| 119 | static void agp_sb_write_gtt(device_t dev, u_int index, uint32_t pte); |
| 120 | |
| 121 | static void agp_i915_sync_gtt_pte(device_t dev, u_int index); |
| 122 | static void agp_i965_sync_gtt_pte(device_t dev, u_int index); |
| 123 | static void agp_g4x_sync_gtt_pte(device_t dev, u_int index); |
| 124 | |
| 125 | static int agp_i915_set_aperture(device_t dev, u_int32_t aperture); |
| 126 | |
| 127 | static int agp_i810_chipset_flush_setup(device_t dev); |
| 128 | static int agp_i915_chipset_flush_setup(device_t dev); |
| 129 | static int agp_i965_chipset_flush_setup(device_t dev); |
| 130 | |
| 131 | static void agp_i810_chipset_flush_teardown(device_t dev); |
| 132 | static void agp_i915_chipset_flush_teardown(device_t dev); |
| 133 | static void agp_i965_chipset_flush_teardown(device_t dev); |
| 134 | |
| 135 | static void agp_i810_chipset_flush(device_t dev); |
| 136 | static void agp_i915_chipset_flush(device_t dev); |
| 137 | |
| 138 | enum { |
| 139 | CHIP_I810, /* i810/i815 */ |
| 140 | CHIP_I830, /* 830M/845G */ |
| 141 | CHIP_I855, /* 852GM/855GM/865G */ |
| 142 | CHIP_I915, /* 915G/915GM */ |
| 143 | CHIP_I965, /* G965 */ |
| 144 | CHIP_G33, /* G33/Q33/Q35 */ |
| 145 | CHIP_IGD, /* Pineview */ |
| 146 | CHIP_G4X, /* G45/Q45 */ |
| 147 | CHIP_SB, /* SandyBridge */ |
| 148 | }; |
| 149 | |
| 150 | /* The i810 through i855 have the registers at BAR 1, and the GATT gets |
| 151 | * allocated by us. The i915 has registers in BAR 0 and the GATT is at the |
| 152 | * start of the stolen memory, and should only be accessed by the OS through |
| 153 | * BAR 3. The G965 has registers and GATT in the same BAR (0) -- first 512KB |
| 154 | * is registers, second 512KB is GATT. |
| 155 | */ |
| 156 | static struct resource_spec agp_i915_res_spec[] = { |
| 157 | { SYS_RES_MEMORY, AGP_I915_MMADR, RF_ACTIVE | RF_SHAREABLE }, |
| 158 | { SYS_RES_MEMORY, AGP_I915_GTTADR, RF_ACTIVE | RF_SHAREABLE }, |
| 159 | { -1, 0 } |
| 160 | }; |
| 161 | |
| 162 | static struct resource_spec agp_i965_res_spec[] = { |
| 163 | { SYS_RES_MEMORY, AGP_I965_GTTMMADR, RF_ACTIVE | RF_SHAREABLE }, |
| 164 | { -1, 0 } |
| 165 | }; |
| 166 | |
| 167 | static struct resource_spec agp_g4x_res_spec[] = { |
| 168 | { SYS_RES_MEMORY, AGP_G4X_MMADR, RF_ACTIVE | RF_SHAREABLE }, |
| 169 | { SYS_RES_MEMORY, AGP_G4X_GTTADR, RF_ACTIVE | RF_SHAREABLE }, |
| 170 | { -1, 0 } |
| 171 | }; |
| 172 | |
| 173 | struct agp_i810_softc { |
| 174 | struct agp_softc agp; |
| 175 | u_int32_t initial_aperture; /* aperture size at startup */ |
| 176 | struct agp_gatt *gatt; |
| 177 | u_int32_t dcache_size; /* i810 only */ |
| 178 | u_int32_t stolen; /* number of i830/845 gtt |
| 179 | entries for stolen memory */ |
| 180 | u_int stolen_size; /* BIOS-reserved graphics memory */ |
| 181 | u_int gtt_total_entries; /* Total number of gtt ptes */ |
| 182 | u_int gtt_mappable_entries; /* Number of gtt ptes mappable by CPU */ |
| 183 | device_t bdev; /* bridge device */ |
| 184 | void *argb_cursor; /* contigmalloc area for ARGB cursor */ |
| 185 | struct resource *sc_res[2]; |
| 186 | const struct agp_i810_match *match; |
| 187 | int sc_flush_page_rid; |
| 188 | struct resource *sc_flush_page_res; |
| 189 | void *sc_flush_page_vaddr; |
| 190 | int sc_bios_allocated_flush_page; |
| 191 | }; |
| 192 | |
| 193 | static device_t intel_agp; |
| 194 | |
| 195 | struct agp_i810_driver { |
| 196 | int chiptype; |
| 197 | int gen; |
| 198 | int busdma_addr_mask_sz; |
| 199 | struct resource_spec *res_spec; |
| 200 | int (*check_active)(device_t); |
| 201 | void (*set_desc)(device_t, const struct agp_i810_match *); |
| 202 | void (*dump_regs)(device_t); |
| 203 | int (*get_stolen_size)(device_t); |
| 204 | int (*get_gtt_total_entries)(device_t); |
| 205 | int (*get_gtt_mappable_entries)(device_t); |
| 206 | int (*install_gatt)(device_t); |
| 207 | void (*deinstall_gatt)(device_t); |
| 208 | void (*write_gtt)(device_t, u_int, uint32_t); |
| 209 | void (*install_gtt_pte)(device_t, u_int, vm_offset_t, int); |
| 210 | void (*sync_gtt_pte)(device_t, u_int); |
| 211 | int (*set_aperture)(device_t, u_int32_t); |
| 212 | int (*chipset_flush_setup)(device_t); |
| 213 | void (*chipset_flush_teardown)(device_t); |
| 214 | void (*chipset_flush)(device_t); |
| 215 | }; |
| 216 | |
| 217 | static struct { |
| 218 | struct intel_gtt base; |
| 219 | } intel_private; |
| 220 | |
| 221 | static const struct agp_i810_driver agp_i810_i915_driver = { |
| 222 | .chiptype = CHIP_I915, |
| 223 | .gen = 3, |
| 224 | .busdma_addr_mask_sz = 32, |
| 225 | .res_spec = agp_i915_res_spec, |
| 226 | .check_active = agp_i915_check_active, |
| 227 | .set_desc = agp_i810_set_desc, |
| 228 | .dump_regs = agp_i915_dump_regs, |
| 229 | .get_stolen_size = agp_i915_get_stolen_size, |
| 230 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 231 | .get_gtt_total_entries = agp_i810_get_gtt_total_entries, |
| 232 | .install_gatt = agp_i830_install_gatt, |
| 233 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 234 | .write_gtt = agp_i915_write_gtt, |
| 235 | .install_gtt_pte = agp_i915_install_gtt_pte, |
| 236 | .sync_gtt_pte = agp_i915_sync_gtt_pte, |
| 237 | .set_aperture = agp_i915_set_aperture, |
| 238 | .chipset_flush_setup = agp_i915_chipset_flush_setup, |
| 239 | .chipset_flush_teardown = agp_i915_chipset_flush_teardown, |
| 240 | .chipset_flush = agp_i915_chipset_flush, |
| 241 | }; |
| 242 | |
| 243 | static const struct agp_i810_driver agp_i810_g965_driver = { |
| 244 | .chiptype = CHIP_I965, |
| 245 | .gen = 4, |
| 246 | .busdma_addr_mask_sz = 36, |
| 247 | .res_spec = agp_i965_res_spec, |
| 248 | .check_active = agp_i915_check_active, |
| 249 | .set_desc = agp_i810_set_desc, |
| 250 | .dump_regs = agp_i965_dump_regs, |
| 251 | .get_stolen_size = agp_i915_get_stolen_size, |
| 252 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 253 | .get_gtt_total_entries = agp_i965_get_gtt_total_entries, |
| 254 | .install_gatt = agp_i830_install_gatt, |
| 255 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 256 | .write_gtt = agp_i965_write_gtt, |
| 257 | .install_gtt_pte = agp_i965_install_gtt_pte, |
| 258 | .sync_gtt_pte = agp_i965_sync_gtt_pte, |
| 259 | .set_aperture = agp_i915_set_aperture, |
| 260 | .chipset_flush_setup = agp_i965_chipset_flush_setup, |
| 261 | .chipset_flush_teardown = agp_i965_chipset_flush_teardown, |
| 262 | .chipset_flush = agp_i915_chipset_flush, |
| 263 | }; |
| 264 | |
| 265 | static const struct agp_i810_driver agp_i810_g33_driver = { |
| 266 | .chiptype = CHIP_G33, |
| 267 | .gen = 3, |
| 268 | .busdma_addr_mask_sz = 36, |
| 269 | .res_spec = agp_i915_res_spec, |
| 270 | .check_active = agp_i915_check_active, |
| 271 | .set_desc = agp_i810_set_desc, |
| 272 | .dump_regs = agp_i965_dump_regs, |
| 273 | .get_stolen_size = agp_i915_get_stolen_size, |
| 274 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 275 | .get_gtt_total_entries = agp_i965_get_gtt_total_entries, |
| 276 | .install_gatt = agp_i830_install_gatt, |
| 277 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 278 | .write_gtt = agp_i915_write_gtt, |
| 279 | .install_gtt_pte = agp_i965_install_gtt_pte, |
| 280 | .sync_gtt_pte = agp_i915_sync_gtt_pte, |
| 281 | .set_aperture = agp_i915_set_aperture, |
| 282 | .chipset_flush_setup = agp_i965_chipset_flush_setup, |
| 283 | .chipset_flush_teardown = agp_i965_chipset_flush_teardown, |
| 284 | .chipset_flush = agp_i915_chipset_flush, |
| 285 | }; |
| 286 | |
| 287 | static const struct agp_i810_driver pineview_gtt_driver = { |
| 288 | .chiptype = CHIP_IGD, |
| 289 | .gen = 3, |
| 290 | .busdma_addr_mask_sz = 36, |
| 291 | .res_spec = agp_i915_res_spec, |
| 292 | .check_active = agp_i915_check_active, |
| 293 | .set_desc = agp_i810_set_desc, |
| 294 | .dump_regs = agp_i915_dump_regs, |
| 295 | .get_stolen_size = agp_i915_get_stolen_size, |
| 296 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 297 | .get_gtt_total_entries = agp_i965_get_gtt_total_entries, |
| 298 | .install_gatt = agp_i830_install_gatt, |
| 299 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 300 | .write_gtt = agp_i915_write_gtt, |
| 301 | .install_gtt_pte = agp_i965_install_gtt_pte, |
| 302 | .sync_gtt_pte = agp_i915_sync_gtt_pte, |
| 303 | .set_aperture = agp_i915_set_aperture, |
| 304 | .chipset_flush_setup = agp_i965_chipset_flush_setup, |
| 305 | .chipset_flush_teardown = agp_i965_chipset_flush_teardown, |
| 306 | .chipset_flush = agp_i915_chipset_flush, |
| 307 | }; |
| 308 | |
| 309 | static const struct agp_i810_driver agp_i810_g4x_driver = { |
| 310 | .chiptype = CHIP_G4X, |
| 311 | .gen = 5, |
| 312 | .busdma_addr_mask_sz = 36, |
| 313 | .res_spec = agp_i965_res_spec, |
| 314 | .check_active = agp_i915_check_active, |
| 315 | .set_desc = agp_i810_set_desc, |
| 316 | .dump_regs = agp_i965_dump_regs, |
| 317 | .get_stolen_size = agp_i915_get_stolen_size, |
| 318 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 319 | .get_gtt_total_entries = agp_gen5_get_gtt_total_entries, |
| 320 | .install_gatt = agp_i830_install_gatt, |
| 321 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 322 | .write_gtt = agp_g4x_write_gtt, |
| 323 | .install_gtt_pte = agp_g4x_install_gtt_pte, |
| 324 | .sync_gtt_pte = agp_g4x_sync_gtt_pte, |
| 325 | .set_aperture = agp_i915_set_aperture, |
| 326 | .chipset_flush_setup = agp_i965_chipset_flush_setup, |
| 327 | .chipset_flush_teardown = agp_i965_chipset_flush_teardown, |
| 328 | .chipset_flush = agp_i915_chipset_flush, |
| 329 | }; |
| 330 | |
| 331 | static const struct agp_i810_driver agp_i810_sb_driver = { |
| 332 | .chiptype = CHIP_SB, |
| 333 | .gen = 6, |
| 334 | .busdma_addr_mask_sz = 40, |
| 335 | .res_spec = agp_g4x_res_spec, |
| 336 | .check_active = agp_sb_check_active, |
| 337 | .set_desc = agp_i810_set_desc, |
| 338 | .dump_regs = agp_sb_dump_regs, |
| 339 | .get_stolen_size = agp_sb_get_stolen_size, |
| 340 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 341 | .get_gtt_total_entries = agp_sb_get_gtt_total_entries, |
| 342 | .install_gatt = agp_i830_install_gatt, |
| 343 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 344 | .write_gtt = agp_sb_write_gtt, |
| 345 | .install_gtt_pte = agp_sb_install_gtt_pte, |
| 346 | .sync_gtt_pte = agp_g4x_sync_gtt_pte, |
| 347 | .set_aperture = agp_i915_set_aperture, |
| 348 | .chipset_flush_setup = agp_i810_chipset_flush_setup, |
| 349 | .chipset_flush_teardown = agp_i810_chipset_flush_teardown, |
| 350 | .chipset_flush = agp_i810_chipset_flush, |
| 351 | }; |
| 352 | |
| 353 | static const struct agp_i810_driver valleyview_gtt_driver = { |
| 354 | .chiptype = CHIP_SB, |
| 355 | .gen = 7, |
| 356 | .busdma_addr_mask_sz = 40, |
| 357 | .res_spec = agp_g4x_res_spec, |
| 358 | .check_active = agp_sb_check_active, |
| 359 | .set_desc = agp_i810_set_desc, |
| 360 | .dump_regs = agp_sb_dump_regs, |
| 361 | .get_stolen_size = agp_sb_get_stolen_size, |
| 362 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 363 | .get_gtt_total_entries = agp_sb_get_gtt_total_entries, |
| 364 | .install_gatt = agp_i830_install_gatt, |
| 365 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 366 | .write_gtt = agp_sb_write_gtt, |
| 367 | .install_gtt_pte = agp_sb_install_gtt_pte, |
| 368 | .sync_gtt_pte = agp_g4x_sync_gtt_pte, |
| 369 | .set_aperture = agp_i915_set_aperture, |
| 370 | .chipset_flush_setup = agp_i810_chipset_flush_setup, |
| 371 | .chipset_flush_teardown = agp_i810_chipset_flush_teardown, |
| 372 | .chipset_flush = agp_i810_chipset_flush, |
| 373 | }; |
| 374 | |
| 375 | static const struct agp_i810_driver broadwell_gtt_driver = { |
| 376 | .chiptype = CHIP_SB, |
| 377 | .gen = 8, |
| 378 | .busdma_addr_mask_sz = 40, |
| 379 | .res_spec = agp_g4x_res_spec, |
| 380 | .check_active = agp_sb_check_active, |
| 381 | .set_desc = agp_i810_set_desc, |
| 382 | .dump_regs = agp_sb_dump_regs, |
| 383 | .get_stolen_size = agp_gen8_get_stolen_size, |
| 384 | .get_gtt_mappable_entries = agp_i915_get_gtt_mappable_entries, |
| 385 | .get_gtt_total_entries = agp_gen8_get_gtt_total_entries, |
| 386 | .install_gatt = agp_i830_install_gatt, |
| 387 | .deinstall_gatt = agp_i830_deinstall_gatt, |
| 388 | .write_gtt = NULL, |
| 389 | .install_gtt_pte = agp_gen8_install_gtt_pte, |
| 390 | .sync_gtt_pte = agp_g4x_sync_gtt_pte, |
| 391 | .set_aperture = agp_i915_set_aperture, |
| 392 | .chipset_flush_setup = agp_i810_chipset_flush_setup, |
| 393 | .chipset_flush_teardown = agp_i810_chipset_flush_teardown, |
| 394 | .chipset_flush = agp_i810_chipset_flush, |
| 395 | }; |
| 396 | |
| 397 | /* For adding new devices, devid is the id of the graphics controller |
| 398 | * (pci:0:2:0, for example). The placeholder (usually at pci:0:2:1) for the |
| 399 | * second head should never be added. The bridge_offset is the offset to |
| 400 | * subtract from devid to get the id of the hostb that the device is on. |
| 401 | */ |
| 402 | static const struct agp_i810_match { |
| 403 | uint16_t devid; |
| 404 | char *name; |
| 405 | const struct agp_i810_driver *driver; |
| 406 | } agp_i810_matches[] = { |
| 407 | { |
| 408 | .devid = 0x2582, |
| 409 | .name = "Intel 82915G (915G GMCH) SVGA controller", |
| 410 | .driver = &agp_i810_i915_driver |
| 411 | }, |
| 412 | { |
| 413 | .devid = 0x258A, |
| 414 | .name = "Intel E7221 SVGA controller", |
| 415 | .driver = &agp_i810_i915_driver |
| 416 | }, |
| 417 | { |
| 418 | .devid = 0x2592, |
| 419 | .name = "Intel 82915GM (915GM GMCH) SVGA controller", |
| 420 | .driver = &agp_i810_i915_driver |
| 421 | }, |
| 422 | { |
| 423 | .devid = 0x2772, |
| 424 | .name = "Intel 82945G (945G GMCH) SVGA controller", |
| 425 | .driver = &agp_i810_i915_driver |
| 426 | }, |
| 427 | { |
| 428 | .devid = 0x27A2, |
| 429 | .name = "Intel 82945GM (945GM GMCH) SVGA controller", |
| 430 | .driver = &agp_i810_i915_driver |
| 431 | }, |
| 432 | { |
| 433 | .devid = 0x27AE, |
| 434 | .name = "Intel 945GME SVGA controller", |
| 435 | .driver = &agp_i810_i915_driver |
| 436 | }, |
| 437 | { |
| 438 | .devid = 0x2972, |
| 439 | .name = "Intel 946GZ SVGA controller", |
| 440 | .driver = &agp_i810_g965_driver |
| 441 | }, |
| 442 | { |
| 443 | .devid = 0x2982, |
| 444 | .name = "Intel G965 SVGA controller", |
| 445 | .driver = &agp_i810_g965_driver |
| 446 | }, |
| 447 | { |
| 448 | .devid = 0x2992, |
| 449 | .name = "Intel Q965 SVGA controller", |
| 450 | .driver = &agp_i810_g965_driver |
| 451 | }, |
| 452 | { |
| 453 | .devid = 0x29A2, |
| 454 | .name = "Intel G965 SVGA controller", |
| 455 | .driver = &agp_i810_g965_driver |
| 456 | }, |
| 457 | { |
| 458 | .devid = 0x29B2, |
| 459 | .name = "Intel Q35 SVGA controller", |
| 460 | .driver = &agp_i810_g33_driver |
| 461 | }, |
| 462 | { |
| 463 | .devid = 0x29C2, |
| 464 | .name = "Intel G33 SVGA controller", |
| 465 | .driver = &agp_i810_g33_driver |
| 466 | }, |
| 467 | { |
| 468 | .devid = 0x29D2, |
| 469 | .name = "Intel Q33 SVGA controller", |
| 470 | .driver = &agp_i810_g33_driver |
| 471 | }, |
| 472 | { |
| 473 | .devid = 0xA001, |
| 474 | .name = "Intel Pineview SVGA controller", |
| 475 | .driver = &pineview_gtt_driver |
| 476 | }, |
| 477 | { |
| 478 | .devid = 0xA011, |
| 479 | .name = "Intel Pineview (M) SVGA controller", |
| 480 | .driver = &pineview_gtt_driver |
| 481 | }, |
| 482 | { |
| 483 | .devid = 0x2A02, |
| 484 | .name = "Intel GM965 SVGA controller", |
| 485 | .driver = &agp_i810_g965_driver |
| 486 | }, |
| 487 | { |
| 488 | .devid = 0x2A12, |
| 489 | .name = "Intel GME965 SVGA controller", |
| 490 | .driver = &agp_i810_g965_driver |
| 491 | }, |
| 492 | { |
| 493 | .devid = 0x2A42, |
| 494 | .name = "Intel GM45 SVGA controller", |
| 495 | .driver = &agp_i810_g4x_driver |
| 496 | }, |
| 497 | { |
| 498 | .devid = 0x2E02, |
| 499 | .name = "Intel Eaglelake SVGA controller", |
| 500 | .driver = &agp_i810_g4x_driver |
| 501 | }, |
| 502 | { |
| 503 | .devid = 0x2E12, |
| 504 | .name = "Intel Q45 SVGA controller", |
| 505 | .driver = &agp_i810_g4x_driver |
| 506 | }, |
| 507 | { |
| 508 | .devid = 0x2E22, |
| 509 | .name = "Intel G45 SVGA controller", |
| 510 | .driver = &agp_i810_g4x_driver |
| 511 | }, |
| 512 | { |
| 513 | .devid = 0x2E32, |
| 514 | .name = "Intel G41 SVGA controller", |
| 515 | .driver = &agp_i810_g4x_driver |
| 516 | }, |
| 517 | { |
| 518 | .devid = 0x0042, |
| 519 | .name = "Intel Ironlake (D) SVGA controller", |
| 520 | .driver = &agp_i810_g4x_driver |
| 521 | }, |
| 522 | { |
| 523 | .devid = 0x0046, |
| 524 | .name = "Intel Ironlake (M) SVGA controller", |
| 525 | .driver = &agp_i810_g4x_driver |
| 526 | }, |
| 527 | { |
| 528 | .devid = 0x0102, |
| 529 | .name = "SandyBridge desktop GT1 IG", |
| 530 | .driver = &agp_i810_sb_driver |
| 531 | }, |
| 532 | { |
| 533 | .devid = 0x0112, |
| 534 | .name = "SandyBridge desktop GT2 IG", |
| 535 | .driver = &agp_i810_sb_driver |
| 536 | }, |
| 537 | { |
| 538 | .devid = 0x0122, |
| 539 | .name = "SandyBridge desktop GT2+ IG", |
| 540 | .driver = &agp_i810_sb_driver |
| 541 | }, |
| 542 | { |
| 543 | .devid = 0x0106, |
| 544 | .name = "SandyBridge mobile GT1 IG", |
| 545 | .driver = &agp_i810_sb_driver |
| 546 | }, |
| 547 | { |
| 548 | .devid = 0x0116, |
| 549 | .name = "SandyBridge mobile GT2 IG", |
| 550 | .driver = &agp_i810_sb_driver |
| 551 | }, |
| 552 | { |
| 553 | .devid = 0x0126, |
| 554 | .name = "SandyBridge mobile GT2+ IG", |
| 555 | .driver = &agp_i810_sb_driver |
| 556 | }, |
| 557 | { |
| 558 | .devid = 0x010a, |
| 559 | .name = "SandyBridge server IG", |
| 560 | .driver = &agp_i810_sb_driver |
| 561 | }, |
| 562 | { |
| 563 | .devid = 0x0152, |
| 564 | .name = "IvyBridge desktop GT1 IG", |
| 565 | .driver = &agp_i810_sb_driver |
| 566 | }, |
| 567 | { |
| 568 | .devid = 0x0162, |
| 569 | .name = "IvyBridge desktop GT2 IG", |
| 570 | .driver = &agp_i810_sb_driver |
| 571 | }, |
| 572 | { |
| 573 | .devid = 0x0156, |
| 574 | .name = "IvyBridge mobile GT1 IG", |
| 575 | .driver = &agp_i810_sb_driver |
| 576 | }, |
| 577 | { |
| 578 | .devid = 0x0166, |
| 579 | .name = "IvyBridge mobile GT2 IG", |
| 580 | .driver = &agp_i810_sb_driver |
| 581 | }, |
| 582 | { |
| 583 | .devid = 0x015a, |
| 584 | .name = "IvyBridge server GT1 IG", |
| 585 | .driver = &agp_i810_sb_driver |
| 586 | }, |
| 587 | { |
| 588 | .devid = 0x016a, |
| 589 | .name = "IvyBridge server GT2 IG", |
| 590 | .driver = &agp_i810_sb_driver |
| 591 | }, |
| 592 | { |
| 593 | .devid = 0x0f30, |
| 594 | .name = "ValleyView", |
| 595 | .driver = &valleyview_gtt_driver |
| 596 | }, |
| 597 | { |
| 598 | .devid = 0x0402, |
| 599 | .name = "Haswell desktop GT1 IG", |
| 600 | .driver = &agp_i810_sb_driver |
| 601 | }, |
| 602 | { |
| 603 | .devid = 0x0412, |
| 604 | .name = "Haswell desktop GT2 IG", |
| 605 | .driver = &agp_i810_sb_driver |
| 606 | }, |
| 607 | { 0x041e, "Haswell", &agp_i810_sb_driver }, |
| 608 | { 0x0422, "Haswell", &agp_i810_sb_driver }, |
| 609 | { |
| 610 | .devid = 0x0406, |
| 611 | .name = "Haswell mobile GT1 IG", |
| 612 | .driver = &agp_i810_sb_driver |
| 613 | }, |
| 614 | { |
| 615 | .devid = 0x0416, |
| 616 | .name = "Haswell mobile GT2 IG", |
| 617 | .driver = &agp_i810_sb_driver |
| 618 | }, |
| 619 | { 0x0426, "Haswell", &agp_i810_sb_driver }, |
| 620 | { |
| 621 | .devid = 0x040a, |
| 622 | .name = "Haswell server GT1 IG", |
| 623 | .driver = &agp_i810_sb_driver |
| 624 | }, |
| 625 | { |
| 626 | .devid = 0x041a, |
| 627 | .name = "Haswell server GT2 IG", |
| 628 | .driver = &agp_i810_sb_driver |
| 629 | }, |
| 630 | { 0x042a, "Haswell", &agp_i810_sb_driver }, |
| 631 | { 0x0c02, "Haswell", &agp_i810_sb_driver }, |
| 632 | { 0x0c12, "Haswell", &agp_i810_sb_driver }, |
| 633 | { 0x0c22, "Haswell", &agp_i810_sb_driver }, |
| 634 | { 0x0c06, "Haswell", &agp_i810_sb_driver }, |
| 635 | { |
| 636 | .devid = 0x0c16, |
| 637 | .name = "Haswell SDV", |
| 638 | .driver = &agp_i810_sb_driver |
| 639 | }, |
| 640 | { 0x0c26, "Haswell", &agp_i810_sb_driver }, |
| 641 | { 0x0c0a, "Haswell", &agp_i810_sb_driver }, |
| 642 | { 0x0c1a, "Haswell", &agp_i810_sb_driver }, |
| 643 | { 0x0c2a, "Haswell", &agp_i810_sb_driver }, |
| 644 | { 0x0a02, "Haswell", &agp_i810_sb_driver }, |
| 645 | { 0x0a12, "Haswell", &agp_i810_sb_driver }, |
| 646 | { 0x0a22, "Haswell", &agp_i810_sb_driver }, |
| 647 | { 0x0a06, "Haswell", &agp_i810_sb_driver }, |
| 648 | { 0x0a16, "Haswell", &agp_i810_sb_driver }, |
| 649 | { 0x0a26, "Haswell", &agp_i810_sb_driver }, |
| 650 | { 0x0a0a, "Haswell", &agp_i810_sb_driver }, |
| 651 | { 0x0a1a, "Haswell", &agp_i810_sb_driver }, |
| 652 | { 0x0a2a, "Haswell", &agp_i810_sb_driver }, |
| 653 | { 0x0d12, "Haswell", &agp_i810_sb_driver }, |
| 654 | { 0x0d22, "Haswell", &agp_i810_sb_driver }, |
| 655 | { 0x0d32, "Haswell", &agp_i810_sb_driver }, |
| 656 | { 0x0d16, "Haswell", &agp_i810_sb_driver }, |
| 657 | { 0x0d26, "Haswell", &agp_i810_sb_driver }, |
| 658 | { 0x0d36, "Haswell", &agp_i810_sb_driver }, |
| 659 | { 0x0d1a, "Haswell", &agp_i810_sb_driver }, |
| 660 | { 0x0d2a, "Haswell", &agp_i810_sb_driver }, |
| 661 | { 0x0d3a, "Haswell", &agp_i810_sb_driver }, |
| 662 | |
| 663 | { 0x1602, "Broadwell", &broadwell_gtt_driver }, /* m */ |
| 664 | { 0x1606, "Broadwell", &broadwell_gtt_driver }, |
| 665 | { 0x160B, "Broadwell", &broadwell_gtt_driver }, |
| 666 | { 0x160E, "Broadwell", &broadwell_gtt_driver }, |
| 667 | { 0x1616, "Broadwell", &broadwell_gtt_driver }, |
| 668 | |
| 669 | { 0x160A, "Broadwell", &broadwell_gtt_driver }, /* d */ |
| 670 | { 0x160D, "Broadwell", &broadwell_gtt_driver }, |
| 671 | { |
| 672 | .devid = 0, |
| 673 | } |
| 674 | }; |
| 675 | |
| 676 | static const struct agp_i810_match* |
| 677 | agp_i810_match(device_t dev) |
| 678 | { |
| 679 | int i, devid; |
| 680 | |
| 681 | if (pci_get_vendor(dev) != PCI_VENDOR_INTEL) |
| 682 | return (NULL); |
| 683 | |
| 684 | devid = pci_get_device(dev); |
| 685 | for (i = 0; agp_i810_matches[i].devid != 0; i++) { |
| 686 | if (agp_i810_matches[i].devid == devid) |
| 687 | break; |
| 688 | } |
| 689 | if (agp_i810_matches[i].devid == 0) |
| 690 | return (NULL); |
| 691 | else |
| 692 | return (&agp_i810_matches[i]); |
| 693 | } |
| 694 | |
| 695 | /* |
| 696 | * Find bridge device. |
| 697 | */ |
| 698 | static device_t |
| 699 | agp_i810_find_bridge(device_t dev) |
| 700 | { |
| 701 | |
| 702 | return (pci_find_dbsf(0, 0, 0, 0)); |
| 703 | } |
| 704 | |
| 705 | static void |
| 706 | agp_i810_identify(driver_t *driver, device_t parent) |
| 707 | { |
| 708 | |
| 709 | if (device_find_child(parent, "agp", -1) == NULL && |
| 710 | agp_i810_match(parent)) |
| 711 | device_add_child(parent, "agp", -1); |
| 712 | } |
| 713 | |
| 714 | static int |
| 715 | agp_i915_check_active(device_t bridge_dev) |
| 716 | { |
| 717 | int deven; |
| 718 | |
| 719 | deven = pci_read_config(bridge_dev, AGP_I915_DEVEN, 4); |
| 720 | if ((deven & AGP_I915_DEVEN_D2F0) == AGP_I915_DEVEN_D2F0_DISABLED) |
| 721 | return (ENXIO); |
| 722 | return (0); |
| 723 | } |
| 724 | |
| 725 | static int |
| 726 | agp_sb_check_active(device_t bridge_dev) |
| 727 | { |
| 728 | int deven; |
| 729 | |
| 730 | deven = pci_read_config(bridge_dev, AGP_I915_DEVEN, 4); |
| 731 | if ((deven & AGP_SB_DEVEN_D2EN) == AGP_SB_DEVEN_D2EN_DISABLED) |
| 732 | return (ENXIO); |
| 733 | return (0); |
| 734 | } |
| 735 | |
| 736 | static void |
| 737 | agp_i810_set_desc(device_t dev, const struct agp_i810_match *match) |
| 738 | { |
| 739 | |
| 740 | device_set_desc(dev, match->name); |
| 741 | } |
| 742 | |
| 743 | static int |
| 744 | agp_i810_probe(device_t dev) |
| 745 | { |
| 746 | device_t bdev; |
| 747 | const struct agp_i810_match *match; |
| 748 | int err; |
| 749 | |
| 750 | if (resource_disabled("agp", device_get_unit(dev))) |
| 751 | return (ENXIO); |
| 752 | match = agp_i810_match(dev); |
| 753 | if (match == NULL) |
| 754 | return (ENXIO); |
| 755 | |
| 756 | bdev = agp_i810_find_bridge(dev); |
| 757 | if (bdev == NULL) { |
| 758 | if (bootverbose) |
| 759 | kprintf("I810: can't find bridge device\n"); |
| 760 | return (ENXIO); |
| 761 | } |
| 762 | |
| 763 | /* |
| 764 | * checking whether internal graphics device has been activated. |
| 765 | */ |
| 766 | err = match->driver->check_active(bdev); |
| 767 | if (err != 0) { |
| 768 | if (bootverbose) |
| 769 | kprintf("i810: disabled, not probing\n"); |
| 770 | return (err); |
| 771 | } |
| 772 | |
| 773 | match->driver->set_desc(dev, match); |
| 774 | return (BUS_PROBE_DEFAULT); |
| 775 | } |
| 776 | |
| 777 | static void |
| 778 | agp_i915_dump_regs(device_t dev) |
| 779 | { |
| 780 | struct agp_i810_softc *sc = device_get_softc(dev); |
| 781 | |
| 782 | device_printf(dev, "AGP_I810_PGTBL_CTL: %08x\n", |
| 783 | bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL)); |
| 784 | device_printf(dev, "AGP_I855_GCC1: 0x%02x\n", |
| 785 | pci_read_config(sc->bdev, AGP_I855_GCC1, 1)); |
| 786 | device_printf(dev, "AGP_I915_MSAC: 0x%02x\n", |
| 787 | pci_read_config(sc->bdev, AGP_I915_MSAC, 1)); |
| 788 | } |
| 789 | |
| 790 | static void |
| 791 | agp_i965_dump_regs(device_t dev) |
| 792 | { |
| 793 | struct agp_i810_softc *sc = device_get_softc(dev); |
| 794 | |
| 795 | device_printf(dev, "AGP_I965_PGTBL_CTL2: %08x\n", |
| 796 | bus_read_4(sc->sc_res[0], AGP_I965_PGTBL_CTL2)); |
| 797 | device_printf(dev, "AGP_I855_GCC1: 0x%02x\n", |
| 798 | pci_read_config(sc->bdev, AGP_I855_GCC1, 1)); |
| 799 | device_printf(dev, "AGP_I965_MSAC: 0x%02x\n", |
| 800 | pci_read_config(sc->bdev, AGP_I965_MSAC, 1)); |
| 801 | } |
| 802 | |
| 803 | static void |
| 804 | agp_sb_dump_regs(device_t dev) |
| 805 | { |
| 806 | struct agp_i810_softc *sc = device_get_softc(dev); |
| 807 | |
| 808 | device_printf(dev, "AGP_SNB_GFX_MODE: %08x\n", |
| 809 | bus_read_4(sc->sc_res[0], AGP_SNB_GFX_MODE)); |
| 810 | device_printf(dev, "AGP_SNB_GCC1: 0x%04x\n", |
| 811 | pci_read_config(sc->bdev, AGP_SNB_GCC1, 2)); |
| 812 | } |
| 813 | |
| 814 | static int |
| 815 | agp_i915_get_stolen_size(device_t dev) |
| 816 | { |
| 817 | struct agp_i810_softc *sc; |
| 818 | unsigned int gcc1, stolen, gtt_size; |
| 819 | |
| 820 | sc = device_get_softc(dev); |
| 821 | |
| 822 | /* |
| 823 | * Stolen memory is set up at the beginning of the aperture by |
| 824 | * the BIOS, consisting of the GATT followed by 4kb for the |
| 825 | * BIOS display. |
| 826 | */ |
| 827 | switch (sc->match->driver->chiptype) { |
| 828 | case CHIP_I855: |
| 829 | gtt_size = 128; |
| 830 | break; |
| 831 | case CHIP_I915: |
| 832 | gtt_size = 256; |
| 833 | break; |
| 834 | case CHIP_I965: |
| 835 | switch (bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL) & |
| 836 | AGP_I810_PGTBL_SIZE_MASK) { |
| 837 | case AGP_I810_PGTBL_SIZE_128KB: |
| 838 | gtt_size = 128; |
| 839 | break; |
| 840 | case AGP_I810_PGTBL_SIZE_256KB: |
| 841 | gtt_size = 256; |
| 842 | break; |
| 843 | case AGP_I810_PGTBL_SIZE_512KB: |
| 844 | gtt_size = 512; |
| 845 | break; |
| 846 | case AGP_I965_PGTBL_SIZE_1MB: |
| 847 | gtt_size = 1024; |
| 848 | break; |
| 849 | case AGP_I965_PGTBL_SIZE_2MB: |
| 850 | gtt_size = 2048; |
| 851 | break; |
| 852 | case AGP_I965_PGTBL_SIZE_1_5MB: |
| 853 | gtt_size = 1024 + 512; |
| 854 | break; |
| 855 | default: |
| 856 | device_printf(dev, "Bad PGTBL size\n"); |
| 857 | return (EINVAL); |
| 858 | } |
| 859 | break; |
| 860 | case CHIP_G33: |
| 861 | gcc1 = pci_read_config(sc->bdev, AGP_I855_GCC1, 2); |
| 862 | switch (gcc1 & AGP_G33_MGGC_GGMS_MASK) { |
| 863 | case AGP_G33_MGGC_GGMS_SIZE_1M: |
| 864 | gtt_size = 1024; |
| 865 | break; |
| 866 | case AGP_G33_MGGC_GGMS_SIZE_2M: |
| 867 | gtt_size = 2048; |
| 868 | break; |
| 869 | default: |
| 870 | device_printf(dev, "Bad PGTBL size\n"); |
| 871 | return (EINVAL); |
| 872 | } |
| 873 | break; |
| 874 | case CHIP_IGD: |
| 875 | case CHIP_G4X: |
| 876 | gtt_size = 0; |
| 877 | break; |
| 878 | default: |
| 879 | device_printf(dev, "Bad chiptype\n"); |
| 880 | return (EINVAL); |
| 881 | } |
| 882 | |
| 883 | /* GCC1 is called MGGC on i915+ */ |
| 884 | gcc1 = pci_read_config(sc->bdev, AGP_I855_GCC1, 1); |
| 885 | switch (gcc1 & AGP_I855_GCC1_GMS) { |
| 886 | case AGP_I855_GCC1_GMS_STOLEN_1M: |
| 887 | stolen = 1024; |
| 888 | break; |
| 889 | case AGP_I855_GCC1_GMS_STOLEN_4M: |
| 890 | stolen = 4 * 1024; |
| 891 | break; |
| 892 | case AGP_I855_GCC1_GMS_STOLEN_8M: |
| 893 | stolen = 8 * 1024; |
| 894 | break; |
| 895 | case AGP_I855_GCC1_GMS_STOLEN_16M: |
| 896 | stolen = 16 * 1024; |
| 897 | break; |
| 898 | case AGP_I855_GCC1_GMS_STOLEN_32M: |
| 899 | stolen = 32 * 1024; |
| 900 | break; |
| 901 | case AGP_I915_GCC1_GMS_STOLEN_48M: |
| 902 | stolen = sc->match->driver->gen > 2 ? 48 * 1024 : 0; |
| 903 | break; |
| 904 | case AGP_I915_GCC1_GMS_STOLEN_64M: |
| 905 | stolen = sc->match->driver->gen > 2 ? 64 * 1024 : 0; |
| 906 | break; |
| 907 | case AGP_G33_GCC1_GMS_STOLEN_128M: |
| 908 | stolen = sc->match->driver->gen > 2 ? 128 * 1024 : 0; |
| 909 | break; |
| 910 | case AGP_G33_GCC1_GMS_STOLEN_256M: |
| 911 | stolen = sc->match->driver->gen > 2 ? 256 * 1024 : 0; |
| 912 | break; |
| 913 | case AGP_G4X_GCC1_GMS_STOLEN_96M: |
| 914 | if (sc->match->driver->chiptype == CHIP_I965 || |
| 915 | sc->match->driver->chiptype == CHIP_G4X) |
| 916 | stolen = 96 * 1024; |
| 917 | else |
| 918 | stolen = 0; |
| 919 | break; |
| 920 | case AGP_G4X_GCC1_GMS_STOLEN_160M: |
| 921 | if (sc->match->driver->chiptype == CHIP_I965 || |
| 922 | sc->match->driver->chiptype == CHIP_G4X) |
| 923 | stolen = 160 * 1024; |
| 924 | else |
| 925 | stolen = 0; |
| 926 | break; |
| 927 | case AGP_G4X_GCC1_GMS_STOLEN_224M: |
| 928 | if (sc->match->driver->chiptype == CHIP_I965 || |
| 929 | sc->match->driver->chiptype == CHIP_G4X) |
| 930 | stolen = 224 * 1024; |
| 931 | else |
| 932 | stolen = 0; |
| 933 | break; |
| 934 | case AGP_G4X_GCC1_GMS_STOLEN_352M: |
| 935 | if (sc->match->driver->chiptype == CHIP_I965 || |
| 936 | sc->match->driver->chiptype == CHIP_G4X) |
| 937 | stolen = 352 * 1024; |
| 938 | else |
| 939 | stolen = 0; |
| 940 | break; |
| 941 | default: |
| 942 | device_printf(dev, |
| 943 | "unknown memory configuration, disabling (GCC1 %x)\n", |
| 944 | gcc1); |
| 945 | return (EINVAL); |
| 946 | } |
| 947 | |
| 948 | gtt_size += 4; |
| 949 | sc->stolen_size = stolen * 1024; |
| 950 | sc->stolen = (stolen - gtt_size) * 1024 / 4096; |
| 951 | |
| 952 | return (0); |
| 953 | } |
| 954 | |
| 955 | static int |
| 956 | agp_sb_get_stolen_size(device_t dev) |
| 957 | { |
| 958 | struct agp_i810_softc *sc; |
| 959 | uint16_t gmch_ctl; |
| 960 | |
| 961 | sc = device_get_softc(dev); |
| 962 | gmch_ctl = pci_read_config(sc->bdev, AGP_SNB_GCC1, 2); |
| 963 | switch (gmch_ctl & AGP_SNB_GMCH_GMS_STOLEN_MASK) { |
| 964 | case AGP_SNB_GMCH_GMS_STOLEN_32M: |
| 965 | sc->stolen_size = 32 * 1024 * 1024; |
| 966 | break; |
| 967 | case AGP_SNB_GMCH_GMS_STOLEN_64M: |
| 968 | sc->stolen_size = 64 * 1024 * 1024; |
| 969 | break; |
| 970 | case AGP_SNB_GMCH_GMS_STOLEN_96M: |
| 971 | sc->stolen_size = 96 * 1024 * 1024; |
| 972 | break; |
| 973 | case AGP_SNB_GMCH_GMS_STOLEN_128M: |
| 974 | sc->stolen_size = 128 * 1024 * 1024; |
| 975 | break; |
| 976 | case AGP_SNB_GMCH_GMS_STOLEN_160M: |
| 977 | sc->stolen_size = 160 * 1024 * 1024; |
| 978 | break; |
| 979 | case AGP_SNB_GMCH_GMS_STOLEN_192M: |
| 980 | sc->stolen_size = 192 * 1024 * 1024; |
| 981 | break; |
| 982 | case AGP_SNB_GMCH_GMS_STOLEN_224M: |
| 983 | sc->stolen_size = 224 * 1024 * 1024; |
| 984 | break; |
| 985 | case AGP_SNB_GMCH_GMS_STOLEN_256M: |
| 986 | sc->stolen_size = 256 * 1024 * 1024; |
| 987 | break; |
| 988 | case AGP_SNB_GMCH_GMS_STOLEN_288M: |
| 989 | sc->stolen_size = 288 * 1024 * 1024; |
| 990 | break; |
| 991 | case AGP_SNB_GMCH_GMS_STOLEN_320M: |
| 992 | sc->stolen_size = 320 * 1024 * 1024; |
| 993 | break; |
| 994 | case AGP_SNB_GMCH_GMS_STOLEN_352M: |
| 995 | sc->stolen_size = 352 * 1024 * 1024; |
| 996 | break; |
| 997 | case AGP_SNB_GMCH_GMS_STOLEN_384M: |
| 998 | sc->stolen_size = 384 * 1024 * 1024; |
| 999 | break; |
| 1000 | case AGP_SNB_GMCH_GMS_STOLEN_416M: |
| 1001 | sc->stolen_size = 416 * 1024 * 1024; |
| 1002 | break; |
| 1003 | case AGP_SNB_GMCH_GMS_STOLEN_448M: |
| 1004 | sc->stolen_size = 448 * 1024 * 1024; |
| 1005 | break; |
| 1006 | case AGP_SNB_GMCH_GMS_STOLEN_480M: |
| 1007 | sc->stolen_size = 480 * 1024 * 1024; |
| 1008 | break; |
| 1009 | case AGP_SNB_GMCH_GMS_STOLEN_512M: |
| 1010 | sc->stolen_size = 512 * 1024 * 1024; |
| 1011 | break; |
| 1012 | } |
| 1013 | sc->stolen = (sc->stolen_size - 4) / 4096; |
| 1014 | return (0); |
| 1015 | } |
| 1016 | |
| 1017 | static int |
| 1018 | agp_gen8_get_stolen_size(device_t dev) |
| 1019 | { |
| 1020 | struct agp_i810_softc *sc; |
| 1021 | uint16_t gcc1; |
| 1022 | int v; |
| 1023 | |
| 1024 | sc = device_get_softc(dev); |
| 1025 | gcc1 = pci_read_config(sc->bdev, AGP_SNB_GCC1, 2); |
| 1026 | v = (gcc1 >> 8) & 0xFF; |
| 1027 | sc->stolen_size = v * (32L * 1024 * 1024); /* 32MB increments */ |
| 1028 | kprintf("GTT STOLEN %ld\n", (long)sc->stolen_size); |
| 1029 | |
| 1030 | return 0; |
| 1031 | } |
| 1032 | |
| 1033 | static int |
| 1034 | agp_i915_get_gtt_mappable_entries(device_t dev) |
| 1035 | { |
| 1036 | struct agp_i810_softc *sc; |
| 1037 | uint32_t ap; |
| 1038 | |
| 1039 | sc = device_get_softc(dev); |
| 1040 | ap = AGP_GET_APERTURE(dev); |
| 1041 | sc->gtt_mappable_entries = ap >> AGP_PAGE_SHIFT; |
| 1042 | return (0); |
| 1043 | } |
| 1044 | |
| 1045 | static int |
| 1046 | agp_i810_get_gtt_total_entries(device_t dev) |
| 1047 | { |
| 1048 | struct agp_i810_softc *sc; |
| 1049 | |
| 1050 | sc = device_get_softc(dev); |
| 1051 | sc->gtt_total_entries = sc->gtt_mappable_entries; |
| 1052 | return (0); |
| 1053 | } |
| 1054 | |
| 1055 | static int |
| 1056 | agp_i965_get_gtt_total_entries(device_t dev) |
| 1057 | { |
| 1058 | struct agp_i810_softc *sc; |
| 1059 | uint32_t pgetbl_ctl; |
| 1060 | int error; |
| 1061 | |
| 1062 | sc = device_get_softc(dev); |
| 1063 | error = 0; |
| 1064 | pgetbl_ctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL); |
| 1065 | switch (pgetbl_ctl & AGP_I810_PGTBL_SIZE_MASK) { |
| 1066 | case AGP_I810_PGTBL_SIZE_128KB: |
| 1067 | sc->gtt_total_entries = 128 * 1024 / 4; |
| 1068 | break; |
| 1069 | case AGP_I810_PGTBL_SIZE_256KB: |
| 1070 | sc->gtt_total_entries = 256 * 1024 / 4; |
| 1071 | break; |
| 1072 | case AGP_I810_PGTBL_SIZE_512KB: |
| 1073 | sc->gtt_total_entries = 512 * 1024 / 4; |
| 1074 | break; |
| 1075 | /* GTT pagetable sizes bigger than 512KB are not possible on G33! */ |
| 1076 | case AGP_I810_PGTBL_SIZE_1MB: |
| 1077 | sc->gtt_total_entries = 1024 * 1024 / 4; |
| 1078 | break; |
| 1079 | case AGP_I810_PGTBL_SIZE_2MB: |
| 1080 | sc->gtt_total_entries = 2 * 1024 * 1024 / 4; |
| 1081 | break; |
| 1082 | case AGP_I810_PGTBL_SIZE_1_5MB: |
| 1083 | sc->gtt_total_entries = (1024 + 512) * 1024 / 4; |
| 1084 | break; |
| 1085 | default: |
| 1086 | device_printf(dev, "Unknown page table size\n"); |
| 1087 | error = ENXIO; |
| 1088 | } |
| 1089 | return (error); |
| 1090 | } |
| 1091 | |
| 1092 | static void |
| 1093 | agp_gen5_adjust_pgtbl_size(device_t dev, uint32_t sz) |
| 1094 | { |
| 1095 | struct agp_i810_softc *sc; |
| 1096 | uint32_t pgetbl_ctl, pgetbl_ctl2; |
| 1097 | |
| 1098 | sc = device_get_softc(dev); |
| 1099 | |
| 1100 | /* Disable per-process page table. */ |
| 1101 | pgetbl_ctl2 = bus_read_4(sc->sc_res[0], AGP_I965_PGTBL_CTL2); |
| 1102 | pgetbl_ctl2 &= ~AGP_I810_PGTBL_ENABLED; |
| 1103 | bus_write_4(sc->sc_res[0], AGP_I965_PGTBL_CTL2, pgetbl_ctl2); |
| 1104 | |
| 1105 | /* Write the new ggtt size. */ |
| 1106 | pgetbl_ctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL); |
| 1107 | pgetbl_ctl &= ~AGP_I810_PGTBL_SIZE_MASK; |
| 1108 | pgetbl_ctl |= sz; |
| 1109 | bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgetbl_ctl); |
| 1110 | } |
| 1111 | |
| 1112 | static int |
| 1113 | agp_gen5_get_gtt_total_entries(device_t dev) |
| 1114 | { |
| 1115 | struct agp_i810_softc *sc; |
| 1116 | uint16_t gcc1; |
| 1117 | |
| 1118 | sc = device_get_softc(dev); |
| 1119 | |
| 1120 | gcc1 = pci_read_config(sc->bdev, AGP_I830_GCC1, 2); |
| 1121 | switch (gcc1 & AGP_G4x_GCC1_SIZE_MASK) { |
| 1122 | case AGP_G4x_GCC1_SIZE_1M: |
| 1123 | case AGP_G4x_GCC1_SIZE_VT_1M: |
| 1124 | agp_gen5_adjust_pgtbl_size(dev, AGP_I810_PGTBL_SIZE_1MB); |
| 1125 | break; |
| 1126 | case AGP_G4x_GCC1_SIZE_VT_1_5M: |
| 1127 | agp_gen5_adjust_pgtbl_size(dev, AGP_I810_PGTBL_SIZE_1_5MB); |
| 1128 | break; |
| 1129 | case AGP_G4x_GCC1_SIZE_2M: |
| 1130 | case AGP_G4x_GCC1_SIZE_VT_2M: |
| 1131 | agp_gen5_adjust_pgtbl_size(dev, AGP_I810_PGTBL_SIZE_2MB); |
| 1132 | break; |
| 1133 | default: |
| 1134 | device_printf(dev, "Unknown page table size\n"); |
| 1135 | return (ENXIO); |
| 1136 | } |
| 1137 | |
| 1138 | return (agp_i965_get_gtt_total_entries(dev)); |
| 1139 | } |
| 1140 | |
| 1141 | static int |
| 1142 | agp_sb_get_gtt_total_entries(device_t dev) |
| 1143 | { |
| 1144 | struct agp_i810_softc *sc; |
| 1145 | uint16_t gcc1; |
| 1146 | |
| 1147 | sc = device_get_softc(dev); |
| 1148 | |
| 1149 | gcc1 = pci_read_config(sc->bdev, AGP_SNB_GCC1, 2); |
| 1150 | switch (gcc1 & AGP_SNB_GTT_SIZE_MASK) { |
| 1151 | default: |
| 1152 | case AGP_SNB_GTT_SIZE_0M: |
| 1153 | kprintf("Bad GTT size mask: 0x%04x\n", gcc1); |
| 1154 | return (ENXIO); |
| 1155 | case AGP_SNB_GTT_SIZE_1M: |
| 1156 | sc->gtt_total_entries = 1024 * 1024 / 4; |
| 1157 | break; |
| 1158 | case AGP_SNB_GTT_SIZE_2M: |
| 1159 | sc->gtt_total_entries = 2 * 1024 * 1024 / 4; |
| 1160 | break; |
| 1161 | } |
| 1162 | return (0); |
| 1163 | } |
| 1164 | |
| 1165 | static int |
| 1166 | agp_gen8_get_gtt_total_entries(device_t dev) |
| 1167 | { |
| 1168 | struct agp_i810_softc *sc; |
| 1169 | uint16_t gcc1; |
| 1170 | int v; |
| 1171 | |
| 1172 | sc = device_get_softc(dev); |
| 1173 | |
| 1174 | gcc1 = pci_read_config(sc->bdev, AGP_SNB_GCC1, 2); |
| 1175 | v = (gcc1 >> 6) & 3; |
| 1176 | if (v) |
| 1177 | v = 1 << v; |
| 1178 | sc->gtt_total_entries = (v << 20) / 8; |
| 1179 | |
| 1180 | /* |
| 1181 | * XXX limit to 2GB due to misc integer overflows calculated on |
| 1182 | * this field. |
| 1183 | */ |
| 1184 | while ((long)sc->gtt_total_entries * PAGE_SIZE >= 4LL*1024*1024*1024) |
| 1185 | sc->gtt_total_entries >>= 1; |
| 1186 | |
| 1187 | kprintf("GTT SIZE %ld representing %ldM vmap\n", |
| 1188 | (long)sc->gtt_total_entries * 8, |
| 1189 | (long)sc->gtt_total_entries * PAGE_SIZE); |
| 1190 | |
| 1191 | return 0; |
| 1192 | } |
| 1193 | |
| 1194 | static int |
| 1195 | agp_i830_install_gatt(device_t dev) |
| 1196 | { |
| 1197 | struct agp_i810_softc *sc; |
| 1198 | uint32_t pgtblctl; |
| 1199 | |
| 1200 | sc = device_get_softc(dev); |
| 1201 | |
| 1202 | /* |
| 1203 | * The i830 automatically initializes the 128k gatt on boot. |
| 1204 | * GATT address is already in there, make sure it's enabled. |
| 1205 | */ |
| 1206 | pgtblctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL); |
| 1207 | pgtblctl |= 1; |
| 1208 | bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgtblctl); |
| 1209 | |
| 1210 | sc->gatt->ag_physical = pgtblctl & ~1; |
| 1211 | return (0); |
| 1212 | } |
| 1213 | |
| 1214 | static int |
| 1215 | agp_i810_attach(device_t dev) |
| 1216 | { |
| 1217 | struct agp_i810_softc *sc; |
| 1218 | int error; |
| 1219 | |
| 1220 | sc = device_get_softc(dev); |
| 1221 | sc->bdev = agp_i810_find_bridge(dev); |
| 1222 | if (sc->bdev == NULL) |
| 1223 | return (ENOENT); |
| 1224 | |
| 1225 | sc->match = agp_i810_match(dev); |
| 1226 | |
| 1227 | agp_set_aperture_resource(dev, sc->match->driver->gen <= 2 ? |
| 1228 | AGP_APBASE : AGP_I915_GMADR); |
| 1229 | error = agp_generic_attach(dev); |
| 1230 | if (error) |
| 1231 | return (error); |
| 1232 | |
| 1233 | if (ptoa((vm_paddr_t)Maxmem) > |
| 1234 | (1ULL << sc->match->driver->busdma_addr_mask_sz) - 1) { |
| 1235 | device_printf(dev, "agp_i810 does not support physical " |
| 1236 | "memory above %ju.\n", (uintmax_t)(1ULL << |
| 1237 | sc->match->driver->busdma_addr_mask_sz) - 1); |
| 1238 | return (ENOENT); |
| 1239 | } |
| 1240 | |
| 1241 | if (bus_alloc_resources(dev, sc->match->driver->res_spec, sc->sc_res)) { |
| 1242 | agp_generic_detach(dev); |
| 1243 | return (ENODEV); |
| 1244 | } |
| 1245 | |
| 1246 | sc->initial_aperture = AGP_GET_APERTURE(dev); |
| 1247 | sc->gatt = kmalloc(sizeof(struct agp_gatt), M_AGP, M_WAITOK); |
| 1248 | sc->gatt->ag_entries = AGP_GET_APERTURE(dev) >> AGP_PAGE_SHIFT; |
| 1249 | |
| 1250 | if ((error = sc->match->driver->get_stolen_size(dev)) != 0 || |
| 1251 | (error = sc->match->driver->install_gatt(dev)) != 0 || |
| 1252 | (error = sc->match->driver->get_gtt_mappable_entries(dev)) != 0 || |
| 1253 | (error = sc->match->driver->get_gtt_total_entries(dev)) != 0 || |
| 1254 | (error = sc->match->driver->chipset_flush_setup(dev)) != 0) { |
| 1255 | bus_release_resources(dev, sc->match->driver->res_spec, |
| 1256 | sc->sc_res); |
| 1257 | kfree(sc->gatt, M_AGP); |
| 1258 | agp_generic_detach(dev); |
| 1259 | return (error); |
| 1260 | } |
| 1261 | |
| 1262 | intel_agp = dev; |
| 1263 | device_printf(dev, "aperture size is %dM", |
| 1264 | sc->initial_aperture / 1024 / 1024); |
| 1265 | if (sc->stolen > 0) |
| 1266 | kprintf(", detected %dk stolen memory\n", sc->stolen * 4); |
| 1267 | else |
| 1268 | kprintf("\n"); |
| 1269 | if (bootverbose) { |
| 1270 | sc->match->driver->dump_regs(dev); |
| 1271 | device_printf(dev, "Mappable GTT entries: %d\n", |
| 1272 | sc->gtt_mappable_entries); |
| 1273 | device_printf(dev, "Total GTT entries: %d\n", |
| 1274 | sc->gtt_total_entries); |
| 1275 | } |
| 1276 | return (0); |
| 1277 | } |
| 1278 | |
| 1279 | static void |
| 1280 | agp_i830_deinstall_gatt(device_t dev) |
| 1281 | { |
| 1282 | struct agp_i810_softc *sc; |
| 1283 | unsigned int pgtblctl; |
| 1284 | |
| 1285 | sc = device_get_softc(dev); |
| 1286 | pgtblctl = bus_read_4(sc->sc_res[0], AGP_I810_PGTBL_CTL); |
| 1287 | pgtblctl &= ~1; |
| 1288 | bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, pgtblctl); |
| 1289 | } |
| 1290 | |
| 1291 | static int |
| 1292 | agp_i810_detach(device_t dev) |
| 1293 | { |
| 1294 | struct agp_i810_softc *sc; |
| 1295 | |
| 1296 | sc = device_get_softc(dev); |
| 1297 | agp_free_cdev(dev); |
| 1298 | |
| 1299 | /* Clear the GATT base. */ |
| 1300 | sc->match->driver->deinstall_gatt(dev); |
| 1301 | |
| 1302 | sc->match->driver->chipset_flush_teardown(dev); |
| 1303 | |
| 1304 | /* Put the aperture back the way it started. */ |
| 1305 | AGP_SET_APERTURE(dev, sc->initial_aperture); |
| 1306 | |
| 1307 | kfree(sc->gatt, M_AGP); |
| 1308 | bus_release_resources(dev, sc->match->driver->res_spec, sc->sc_res); |
| 1309 | agp_free_res(dev); |
| 1310 | |
| 1311 | return (0); |
| 1312 | } |
| 1313 | |
| 1314 | static int |
| 1315 | agp_i810_resume(device_t dev) |
| 1316 | { |
| 1317 | struct agp_i810_softc *sc; |
| 1318 | sc = device_get_softc(dev); |
| 1319 | |
| 1320 | AGP_SET_APERTURE(dev, sc->initial_aperture); |
| 1321 | |
| 1322 | /* Install the GATT. */ |
| 1323 | bus_write_4(sc->sc_res[0], AGP_I810_PGTBL_CTL, |
| 1324 | sc->gatt->ag_physical | 1); |
| 1325 | |
| 1326 | return (bus_generic_resume(dev)); |
| 1327 | } |
| 1328 | |
| 1329 | /** |
| 1330 | * Sets the PCI resource size of the aperture on i830-class and below chipsets, |
| 1331 | * while returning failure on later chipsets when an actual change is |
| 1332 | * requested. |
| 1333 | * |
| 1334 | * This whole function is likely bogus, as the kernel would probably need to |
| 1335 | * reconfigure the placement of the AGP aperture if a larger size is requested, |
| 1336 | * which doesn't happen currently. |
| 1337 | */ |
| 1338 | |
| 1339 | static int |
| 1340 | agp_i915_set_aperture(device_t dev, u_int32_t aperture) |
| 1341 | { |
| 1342 | |
| 1343 | return (agp_generic_set_aperture(dev, aperture)); |
| 1344 | } |
| 1345 | |
| 1346 | static int |
| 1347 | agp_i810_method_set_aperture(device_t dev, u_int32_t aperture) |
| 1348 | { |
| 1349 | struct agp_i810_softc *sc; |
| 1350 | |
| 1351 | sc = device_get_softc(dev); |
| 1352 | return (sc->match->driver->set_aperture(dev, aperture)); |
| 1353 | } |
| 1354 | |
| 1355 | /** |
| 1356 | * Writes a GTT entry mapping the page at the given offset from the |
| 1357 | * beginning of the aperture to the given physical address. Setup the |
| 1358 | * caching mode according to flags. |
| 1359 | * |
| 1360 | * For gen 1, 2 and 3, GTT start is located at AGP_I810_GTT offset |
| 1361 | * from corresponding BAR start. For gen 4, offset is 512KB + |
| 1362 | * AGP_I810_GTT, for gen 5 and 6 it is 2MB + AGP_I810_GTT. |
| 1363 | * |
| 1364 | * Also, the bits of the physical page address above 4GB needs to be |
| 1365 | * placed into bits 40-32 of PTE. |
| 1366 | */ |
| 1367 | static void |
| 1368 | agp_i915_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical, |
| 1369 | int flags) |
| 1370 | { |
| 1371 | uint32_t pte; |
| 1372 | |
| 1373 | pte = (u_int32_t)physical | I810_PTE_VALID; |
| 1374 | if (flags == AGP_USER_CACHED_MEMORY) |
| 1375 | pte |= I830_PTE_SYSTEM_CACHED; |
| 1376 | |
| 1377 | agp_i915_write_gtt(dev, index, pte); |
| 1378 | } |
| 1379 | |
| 1380 | static void |
| 1381 | agp_i915_write_gtt(device_t dev, u_int index, uint32_t pte) |
| 1382 | { |
| 1383 | struct agp_i810_softc *sc; |
| 1384 | |
| 1385 | sc = device_get_softc(dev); |
| 1386 | bus_write_4(sc->sc_res[1], index * 4, pte); |
| 1387 | } |
| 1388 | |
| 1389 | static void |
| 1390 | agp_i965_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical, |
| 1391 | int flags) |
| 1392 | { |
| 1393 | uint32_t pte; |
| 1394 | |
| 1395 | pte = (u_int32_t)physical | I810_PTE_VALID; |
| 1396 | if (flags == AGP_USER_CACHED_MEMORY) |
| 1397 | pte |= I830_PTE_SYSTEM_CACHED; |
| 1398 | |
| 1399 | pte |= (physical >> 28) & 0xf0; |
| 1400 | agp_i965_write_gtt(dev, index, pte); |
| 1401 | } |
| 1402 | |
| 1403 | static void |
| 1404 | agp_i965_write_gtt(device_t dev, u_int index, uint32_t pte) |
| 1405 | { |
| 1406 | struct agp_i810_softc *sc; |
| 1407 | |
| 1408 | sc = device_get_softc(dev); |
| 1409 | bus_write_4(sc->sc_res[0], index * 4 + (512 * 1024), pte); |
| 1410 | } |
| 1411 | |
| 1412 | static void |
| 1413 | agp_g4x_install_gtt_pte(device_t dev, u_int index, vm_offset_t physical, |
| 1414 | int flags) |
| 1415 | { |
| 1416 | uint32_t pte; |
| 1417 | |
| 1418 | pte = (u_int32_t)physical | I810_PTE_VALID; |
| 1419 | if (flags == AGP_USER_CACHED_MEMORY) |
| 1420 | pte |= I830_PTE_SYSTEM_CACHED; |
| 1421 | |
| 1422 | pte |= (physical >> 28) & 0xf0; |
| 1423 | agp_g4x_write_gtt(dev, index, pte); |
| 1424 | } |
| 1425 | |
| 1426 | static void |
| 1427 | agp_g4x_write_gtt(device_t dev, u_int index, uint32_t pte) |
| 1428 | { |
| 1429 | struct agp_i810_softc *sc; |
| 1430 | |
| 1431 | sc = device_get_softc(dev); |
| 1432 | bus_write_4(sc->sc_res[0], index * 4 + (2 * 1024 * 1024), pte); |
| 1433 | } |
| 1434 | |
| 1435 | static void |
| 1436 | agp_sb_install_gtt_pte(device_t dev, u_int index, |
| 1437 | vm_offset_t physical, int flags) |
| 1438 | { |
| 1439 | int type_mask, gfdt; |
| 1440 | uint32_t pte; |
| 1441 | |
| 1442 | pte = (u_int32_t)physical | I810_PTE_VALID; |
| 1443 | type_mask = flags & ~AGP_USER_CACHED_MEMORY_GFDT; |
| 1444 | gfdt = (flags & AGP_USER_CACHED_MEMORY_GFDT) != 0 ? GEN6_PTE_GFDT : 0; |
| 1445 | |
| 1446 | if (type_mask == AGP_USER_MEMORY) |
| 1447 | pte |= GEN6_PTE_UNCACHED; |
| 1448 | else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) |
| 1449 | pte |= GEN6_PTE_LLC_MLC | gfdt; |
| 1450 | else |
| 1451 | pte |= GEN6_PTE_LLC | gfdt; |
| 1452 | |
| 1453 | pte |= (physical & 0x000000ff00000000ull) >> 28; |
| 1454 | agp_sb_write_gtt(dev, index, pte); |
| 1455 | } |
| 1456 | |
| 1457 | static void |
| 1458 | agp_gen8_install_gtt_pte(device_t dev, u_int index, |
| 1459 | vm_offset_t physical, int flags) |
| 1460 | { |
| 1461 | struct agp_i810_softc *sc; |
| 1462 | int type_mask; |
| 1463 | uint64_t pte; |
| 1464 | |
| 1465 | pte = (u_int64_t)physical | GEN8_PTE_PRESENT | GEN8_PTE_RW; |
| 1466 | type_mask = flags & ~AGP_USER_CACHED_MEMORY_GFDT; |
| 1467 | |
| 1468 | if (type_mask == AGP_USER_MEMORY) |
| 1469 | pte |= GEN8_PTE_PWT; /* XXX */ |
| 1470 | else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) |
| 1471 | pte |= GEN8_PTE_PWT; /* XXX */ |
| 1472 | else |
| 1473 | pte |= GEN8_PTE_PWT; /* XXX */ |
| 1474 | |
| 1475 | sc = device_get_softc(dev); |
| 1476 | bus_write_4(sc->sc_res[0], index * 8 + (2 * 1024 * 1024), |
| 1477 | (uint32_t)pte); |
| 1478 | bus_write_4(sc->sc_res[0], index * 8 + (2 * 1024 * 1024) + 4, |
| 1479 | (uint32_t)(pte >> 32)); |
| 1480 | } |
| 1481 | |
| 1482 | static void |
| 1483 | agp_sb_write_gtt(device_t dev, u_int index, uint32_t pte) |
| 1484 | { |
| 1485 | struct agp_i810_softc *sc; |
| 1486 | |
| 1487 | sc = device_get_softc(dev); |
| 1488 | bus_write_4(sc->sc_res[0], index * 4 + (2 * 1024 * 1024), pte); |
| 1489 | } |
| 1490 | |
| 1491 | static int |
| 1492 | agp_i810_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical) |
| 1493 | { |
| 1494 | struct agp_i810_softc *sc = device_get_softc(dev); |
| 1495 | u_int index; |
| 1496 | |
| 1497 | if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) { |
| 1498 | device_printf(dev, "failed: offset is 0x%08jx, " |
| 1499 | "shift is %d, entries is %d\n", (intmax_t)offset, |
| 1500 | AGP_PAGE_SHIFT, sc->gatt->ag_entries); |
| 1501 | return (EINVAL); |
| 1502 | } |
| 1503 | index = offset >> AGP_PAGE_SHIFT; |
| 1504 | if (sc->stolen != 0 && index < sc->stolen) { |
| 1505 | device_printf(dev, "trying to bind into stolen memory\n"); |
| 1506 | return (EINVAL); |
| 1507 | } |
| 1508 | sc->match->driver->install_gtt_pte(dev, index, physical, 0); |
| 1509 | return (0); |
| 1510 | } |
| 1511 | |
| 1512 | static int |
| 1513 | agp_i810_unbind_page(device_t dev, vm_offset_t offset) |
| 1514 | { |
| 1515 | struct agp_i810_softc *sc; |
| 1516 | u_int index; |
| 1517 | |
| 1518 | sc = device_get_softc(dev); |
| 1519 | if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) |
| 1520 | return (EINVAL); |
| 1521 | index = offset >> AGP_PAGE_SHIFT; |
| 1522 | if (sc->stolen != 0 && index < sc->stolen) { |
| 1523 | device_printf(dev, "trying to unbind from stolen memory\n"); |
| 1524 | return (EINVAL); |
| 1525 | } |
| 1526 | sc->match->driver->install_gtt_pte(dev, index, 0, 0); |
| 1527 | return (0); |
| 1528 | } |
| 1529 | |
| 1530 | static void |
| 1531 | agp_i915_sync_gtt_pte(device_t dev, u_int index) |
| 1532 | { |
| 1533 | struct agp_i810_softc *sc; |
| 1534 | |
| 1535 | sc = device_get_softc(dev); |
| 1536 | bus_read_4(sc->sc_res[1], index * 4); |
| 1537 | } |
| 1538 | |
| 1539 | static void |
| 1540 | agp_i965_sync_gtt_pte(device_t dev, u_int index) |
| 1541 | { |
| 1542 | struct agp_i810_softc *sc; |
| 1543 | |
| 1544 | sc = device_get_softc(dev); |
| 1545 | bus_read_4(sc->sc_res[0], index * 4 + (512 * 1024)); |
| 1546 | } |
| 1547 | |
| 1548 | static void |
| 1549 | agp_g4x_sync_gtt_pte(device_t dev, u_int index) |
| 1550 | { |
| 1551 | struct agp_i810_softc *sc; |
| 1552 | |
| 1553 | sc = device_get_softc(dev); |
| 1554 | bus_read_4(sc->sc_res[0], index * 4 + (2 * 1024 * 1024)); |
| 1555 | } |
| 1556 | |
| 1557 | /* |
| 1558 | * Writing via memory mapped registers already flushes all TLBs. |
| 1559 | */ |
| 1560 | static void |
| 1561 | agp_i810_flush_tlb(device_t dev) |
| 1562 | { |
| 1563 | } |
| 1564 | |
| 1565 | static int |
| 1566 | agp_i810_enable(device_t dev, u_int32_t mode) |
| 1567 | { |
| 1568 | |
| 1569 | return (0); |
| 1570 | } |
| 1571 | |
| 1572 | static struct agp_memory * |
| 1573 | agp_i810_alloc_memory(device_t dev, int type, vm_size_t size) |
| 1574 | { |
| 1575 | struct agp_i810_softc *sc; |
| 1576 | struct agp_memory *mem; |
| 1577 | vm_page_t m; |
| 1578 | |
| 1579 | sc = device_get_softc(dev); |
| 1580 | |
| 1581 | if ((size & (AGP_PAGE_SIZE - 1)) != 0 || |
| 1582 | sc->agp.as_allocated + size > sc->agp.as_maxmem) |
| 1583 | return (0); |
| 1584 | |
| 1585 | if (type == 1) { |
| 1586 | /* |
| 1587 | * Mapping local DRAM into GATT. |
| 1588 | */ |
| 1589 | if (sc->match->driver->chiptype != CHIP_I810) |
| 1590 | return (0); |
| 1591 | if (size != sc->dcache_size) |
| 1592 | return (0); |
| 1593 | } else if (type == 2) { |
| 1594 | /* |
| 1595 | * Type 2 is the contiguous physical memory type, that hands |
| 1596 | * back a physical address. This is used for cursors on i810. |
| 1597 | * Hand back as many single pages with physical as the user |
| 1598 | * wants, but only allow one larger allocation (ARGB cursor) |
| 1599 | * for simplicity. |
| 1600 | */ |
| 1601 | if (size != AGP_PAGE_SIZE) { |
| 1602 | if (sc->argb_cursor != NULL) |
| 1603 | return (0); |
| 1604 | |
| 1605 | /* Allocate memory for ARGB cursor, if we can. */ |
| 1606 | sc->argb_cursor = contigmalloc(size, M_AGP, |
| 1607 | 0, 0, ~0, PAGE_SIZE, 0); |
| 1608 | if (sc->argb_cursor == NULL) |
| 1609 | return (0); |
| 1610 | } |
| 1611 | } |
| 1612 | |
| 1613 | mem = kmalloc(sizeof *mem, M_AGP, M_INTWAIT); |
| 1614 | mem->am_id = sc->agp.as_nextid++; |
| 1615 | mem->am_size = size; |
| 1616 | mem->am_type = type; |
| 1617 | if (type != 1 && (type != 2 || size == AGP_PAGE_SIZE)) |
| 1618 | mem->am_obj = vm_object_allocate(OBJT_DEFAULT, |
| 1619 | atop(round_page(size))); |
| 1620 | else |
| 1621 | mem->am_obj = 0; |
| 1622 | |
| 1623 | if (type == 2) { |
| 1624 | if (size == AGP_PAGE_SIZE) { |
| 1625 | /* |
| 1626 | * Allocate and wire down the page now so that we can |
| 1627 | * get its physical address. |
| 1628 | */ |
| 1629 | VM_OBJECT_LOCK(mem->am_obj); |
| 1630 | m = vm_page_grab(mem->am_obj, 0, VM_ALLOC_NORMAL | |
| 1631 | VM_ALLOC_ZERO | |
| 1632 | VM_ALLOC_RETRY); |
| 1633 | vm_page_wire(m); |
| 1634 | VM_OBJECT_UNLOCK(mem->am_obj); |
| 1635 | mem->am_physical = VM_PAGE_TO_PHYS(m); |
| 1636 | vm_page_wakeup(m); |
| 1637 | } else { |
| 1638 | /* Our allocation is already nicely wired down for us. |
| 1639 | * Just grab the physical address. |
| 1640 | */ |
| 1641 | mem->am_physical = vtophys(sc->argb_cursor); |
| 1642 | } |
| 1643 | } else |
| 1644 | mem->am_physical = 0; |
| 1645 | |
| 1646 | mem->am_offset = 0; |
| 1647 | mem->am_is_bound = 0; |
| 1648 | TAILQ_INSERT_TAIL(&sc->agp.as_memory, mem, am_link); |
| 1649 | sc->agp.as_allocated += size; |
| 1650 | |
| 1651 | return (mem); |
| 1652 | } |
| 1653 | |
| 1654 | static int |
| 1655 | agp_i810_free_memory(device_t dev, struct agp_memory *mem) |
| 1656 | { |
| 1657 | struct agp_i810_softc *sc; |
| 1658 | |
| 1659 | if (mem->am_is_bound) |
| 1660 | return (EBUSY); |
| 1661 | |
| 1662 | sc = device_get_softc(dev); |
| 1663 | |
| 1664 | if (mem->am_type == 2) { |
| 1665 | if (mem->am_size == AGP_PAGE_SIZE) { |
| 1666 | /* |
| 1667 | * Unwire the page which we wired in alloc_memory. |
| 1668 | */ |
| 1669 | vm_page_t m; |
| 1670 | |
| 1671 | vm_object_hold(mem->am_obj); |
| 1672 | m = vm_page_lookup_busy_wait(mem->am_obj, 0, |
| 1673 | FALSE, "agppg"); |
| 1674 | vm_object_drop(mem->am_obj); |
| 1675 | vm_page_unwire(m, 0); |
| 1676 | vm_page_wakeup(m); |
| 1677 | } else { |
| 1678 | contigfree(sc->argb_cursor, mem->am_size, M_AGP); |
| 1679 | sc->argb_cursor = NULL; |
| 1680 | } |
| 1681 | } |
| 1682 | |
| 1683 | sc->agp.as_allocated -= mem->am_size; |
| 1684 | TAILQ_REMOVE(&sc->agp.as_memory, mem, am_link); |
| 1685 | if (mem->am_obj) |
| 1686 | vm_object_deallocate(mem->am_obj); |
| 1687 | kfree(mem, M_AGP); |
| 1688 | return (0); |
| 1689 | } |
| 1690 | |
| 1691 | static int |
| 1692 | agp_i810_bind_memory(device_t dev, struct agp_memory *mem, vm_offset_t offset) |
| 1693 | { |
| 1694 | struct agp_i810_softc *sc; |
| 1695 | vm_offset_t i; |
| 1696 | |
| 1697 | /* Do some sanity checks first. */ |
| 1698 | if ((offset & (AGP_PAGE_SIZE - 1)) != 0 || |
| 1699 | offset + mem->am_size > AGP_GET_APERTURE(dev)) { |
| 1700 | device_printf(dev, "binding memory at bad offset %#x\n", |
| 1701 | (int)offset); |
| 1702 | return (EINVAL); |
| 1703 | } |
| 1704 | |
| 1705 | sc = device_get_softc(dev); |
| 1706 | if (mem->am_type == 2 && mem->am_size != AGP_PAGE_SIZE) { |
| 1707 | lockmgr(&sc->agp.as_lock, LK_EXCLUSIVE); |
| 1708 | if (mem->am_is_bound) { |
| 1709 | lockmgr(&sc->agp.as_lock, LK_RELEASE); |
| 1710 | return EINVAL; |
| 1711 | } |
| 1712 | /* The memory's already wired down, just stick it in the GTT. */ |
| 1713 | for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) { |
| 1714 | sc->match->driver->install_gtt_pte(dev, (offset + i) >> |
| 1715 | AGP_PAGE_SHIFT, mem->am_physical + i, 0); |
| 1716 | } |
| 1717 | agp_flush_cache(); |
| 1718 | mem->am_offset = offset; |
| 1719 | mem->am_is_bound = 1; |
| 1720 | lockmgr(&sc->agp.as_lock, LK_RELEASE); |
| 1721 | return (0); |
| 1722 | } |
| 1723 | |
| 1724 | if (mem->am_type != 1) |
| 1725 | return (agp_generic_bind_memory(dev, mem, offset)); |
| 1726 | |
| 1727 | /* |
| 1728 | * Mapping local DRAM into GATT. |
| 1729 | */ |
| 1730 | if (sc->match->driver->chiptype != CHIP_I810) |
| 1731 | return (EINVAL); |
| 1732 | for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) |
| 1733 | bus_write_4(sc->sc_res[0], |
| 1734 | AGP_I810_GTT + (i >> AGP_PAGE_SHIFT) * 4, i | 3); |
| 1735 | |
| 1736 | return (0); |
| 1737 | } |
| 1738 | |
| 1739 | static int |
| 1740 | agp_i810_unbind_memory(device_t dev, struct agp_memory *mem) |
| 1741 | { |
| 1742 | struct agp_i810_softc *sc; |
| 1743 | vm_offset_t i; |
| 1744 | |
| 1745 | sc = device_get_softc(dev); |
| 1746 | |
| 1747 | if (mem->am_type == 2 && mem->am_size != AGP_PAGE_SIZE) { |
| 1748 | lockmgr(&sc->agp.as_lock, LK_EXCLUSIVE); |
| 1749 | if (!mem->am_is_bound) { |
| 1750 | lockmgr(&sc->agp.as_lock, LK_RELEASE); |
| 1751 | return (EINVAL); |
| 1752 | } |
| 1753 | |
| 1754 | for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) { |
| 1755 | sc->match->driver->install_gtt_pte(dev, |
| 1756 | (mem->am_offset + i) >> AGP_PAGE_SHIFT, 0, 0); |
| 1757 | } |
| 1758 | agp_flush_cache(); |
| 1759 | mem->am_is_bound = 0; |
| 1760 | lockmgr(&sc->agp.as_lock, LK_RELEASE); |
| 1761 | return (0); |
| 1762 | } |
| 1763 | |
| 1764 | if (mem->am_type != 1) |
| 1765 | return (agp_generic_unbind_memory(dev, mem)); |
| 1766 | |
| 1767 | if (sc->match->driver->chiptype != CHIP_I810) |
| 1768 | return (EINVAL); |
| 1769 | for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) { |
| 1770 | sc->match->driver->install_gtt_pte(dev, i >> AGP_PAGE_SHIFT, |
| 1771 | 0, 0); |
| 1772 | } |
| 1773 | return (0); |
| 1774 | } |
| 1775 | |
| 1776 | static device_method_t agp_i810_methods[] = { |
| 1777 | /* Device interface */ |
| 1778 | DEVMETHOD(device_identify, agp_i810_identify), |
| 1779 | DEVMETHOD(device_probe, agp_i810_probe), |
| 1780 | DEVMETHOD(device_attach, agp_i810_attach), |
| 1781 | DEVMETHOD(device_detach, agp_i810_detach), |
| 1782 | DEVMETHOD(device_suspend, bus_generic_suspend), |
| 1783 | DEVMETHOD(device_resume, agp_i810_resume), |
| 1784 | |
| 1785 | /* AGP interface */ |
| 1786 | DEVMETHOD(agp_get_aperture, agp_generic_get_aperture), |
| 1787 | DEVMETHOD(agp_set_aperture, agp_i810_method_set_aperture), |
| 1788 | DEVMETHOD(agp_bind_page, agp_i810_bind_page), |
| 1789 | DEVMETHOD(agp_unbind_page, agp_i810_unbind_page), |
| 1790 | DEVMETHOD(agp_flush_tlb, agp_i810_flush_tlb), |
| 1791 | DEVMETHOD(agp_enable, agp_i810_enable), |
| 1792 | DEVMETHOD(agp_alloc_memory, agp_i810_alloc_memory), |
| 1793 | DEVMETHOD(agp_free_memory, agp_i810_free_memory), |
| 1794 | DEVMETHOD(agp_bind_memory, agp_i810_bind_memory), |
| 1795 | DEVMETHOD(agp_unbind_memory, agp_i810_unbind_memory), |
| 1796 | DEVMETHOD(agp_chipset_flush, agp_intel_gtt_chipset_flush), |
| 1797 | |
| 1798 | DEVMETHOD_END |
| 1799 | }; |
| 1800 | |
| 1801 | static driver_t agp_i810_driver = { |
| 1802 | "agp", |
| 1803 | agp_i810_methods, |
| 1804 | sizeof(struct agp_i810_softc), |
| 1805 | }; |
| 1806 | |
| 1807 | static devclass_t agp_devclass; |
| 1808 | |
| 1809 | DRIVER_MODULE(agp_i810, vgapci, agp_i810_driver, agp_devclass, NULL, NULL); |
| 1810 | MODULE_DEPEND(agp_i810, agp, 1, 1, 1); |
| 1811 | MODULE_DEPEND(agp_i810, pci, 1, 1, 1); |
| 1812 | |
| 1813 | extern vm_page_t bogus_page; |
| 1814 | |
| 1815 | void |
| 1816 | agp_intel_gtt_clear_range(device_t dev, u_int first_entry, u_int num_entries) |
| 1817 | { |
| 1818 | struct agp_i810_softc *sc; |
| 1819 | u_int i; |
| 1820 | |
| 1821 | sc = device_get_softc(dev); |
| 1822 | for (i = 0; i < num_entries; i++) |
| 1823 | sc->match->driver->install_gtt_pte(dev, first_entry + i, |
| 1824 | VM_PAGE_TO_PHYS(bogus_page), 0); |
| 1825 | sc->match->driver->sync_gtt_pte(dev, first_entry + num_entries - 1); |
| 1826 | } |
| 1827 | |
| 1828 | void |
| 1829 | agp_intel_gtt_insert_pages(device_t dev, u_int first_entry, u_int num_entries, |
| 1830 | vm_page_t *pages, u_int flags) |
| 1831 | { |
| 1832 | struct agp_i810_softc *sc; |
| 1833 | u_int i; |
| 1834 | |
| 1835 | sc = device_get_softc(dev); |
| 1836 | for (i = 0; i < num_entries; i++) { |
| 1837 | KKASSERT(pages[i]->valid == VM_PAGE_BITS_ALL); |
| 1838 | KKASSERT(pages[i]->wire_count > 0); |
| 1839 | sc->match->driver->install_gtt_pte(dev, first_entry + i, |
| 1840 | VM_PAGE_TO_PHYS(pages[i]), flags); |
| 1841 | } |
| 1842 | sc->match->driver->sync_gtt_pte(dev, first_entry + num_entries - 1); |
| 1843 | } |
| 1844 | |
| 1845 | struct intel_gtt |
| 1846 | agp_intel_gtt_get(device_t dev) |
| 1847 | { |
| 1848 | struct agp_i810_softc *sc; |
| 1849 | struct intel_gtt res; |
| 1850 | |
| 1851 | sc = device_get_softc(dev); |
| 1852 | res.stolen_size = sc->stolen_size; |
| 1853 | res.gtt_total_entries = sc->gtt_total_entries; |
| 1854 | res.gtt_mappable_entries = sc->gtt_mappable_entries; |
| 1855 | res.do_idle_maps = 0; |
| 1856 | res.scratch_page_dma = VM_PAGE_TO_PHYS(bogus_page); |
| 1857 | return (res); |
| 1858 | } |
| 1859 | |
| 1860 | static int |
| 1861 | agp_i810_chipset_flush_setup(device_t dev) |
| 1862 | { |
| 1863 | |
| 1864 | return (0); |
| 1865 | } |
| 1866 | |
| 1867 | static void |
| 1868 | agp_i810_chipset_flush_teardown(device_t dev) |
| 1869 | { |
| 1870 | |
| 1871 | /* Nothing to do. */ |
| 1872 | } |
| 1873 | |
| 1874 | static void |
| 1875 | agp_i810_chipset_flush(device_t dev) |
| 1876 | { |
| 1877 | |
| 1878 | /* Nothing to do. */ |
| 1879 | } |
| 1880 | |
| 1881 | static int |
| 1882 | agp_i915_chipset_flush_alloc_page(device_t dev, uint64_t start, uint64_t end) |
| 1883 | { |
| 1884 | struct agp_i810_softc *sc; |
| 1885 | device_t vga; |
| 1886 | |
| 1887 | sc = device_get_softc(dev); |
| 1888 | vga = device_get_parent(dev); |
| 1889 | sc->sc_flush_page_rid = 100; |
| 1890 | sc->sc_flush_page_res = BUS_ALLOC_RESOURCE(device_get_parent(vga), dev, |
| 1891 | SYS_RES_MEMORY, &sc->sc_flush_page_rid, start, end, PAGE_SIZE, |
| 1892 | RF_ACTIVE, -1); |
| 1893 | if (sc->sc_flush_page_res == NULL) { |
| 1894 | device_printf(dev, "Failed to allocate flush page at 0x%jx\n", |
| 1895 | (uintmax_t)start); |
| 1896 | return (EINVAL); |
| 1897 | } |
| 1898 | sc->sc_flush_page_vaddr = rman_get_virtual(sc->sc_flush_page_res); |
| 1899 | if (bootverbose) { |
| 1900 | device_printf(dev, "Allocated flush page phys 0x%jx virt %p\n", |
| 1901 | (uintmax_t)rman_get_start(sc->sc_flush_page_res), |
| 1902 | sc->sc_flush_page_vaddr); |
| 1903 | } |
| 1904 | return (0); |
| 1905 | } |
| 1906 | |
| 1907 | static void |
| 1908 | agp_i915_chipset_flush_free_page(device_t dev) |
| 1909 | { |
| 1910 | struct agp_i810_softc *sc; |
| 1911 | device_t vga; |
| 1912 | |
| 1913 | sc = device_get_softc(dev); |
| 1914 | vga = device_get_parent(dev); |
| 1915 | if (sc->sc_flush_page_res == NULL) |
| 1916 | return; |
| 1917 | BUS_DEACTIVATE_RESOURCE(device_get_parent(vga), dev, SYS_RES_MEMORY, |
| 1918 | sc->sc_flush_page_rid, sc->sc_flush_page_res); |
| 1919 | BUS_RELEASE_RESOURCE(device_get_parent(vga), dev, SYS_RES_MEMORY, |
| 1920 | sc->sc_flush_page_rid, sc->sc_flush_page_res); |
| 1921 | } |
| 1922 | |
| 1923 | static int |
| 1924 | agp_i915_chipset_flush_setup(device_t dev) |
| 1925 | { |
| 1926 | struct agp_i810_softc *sc; |
| 1927 | uint32_t temp; |
| 1928 | int error; |
| 1929 | |
| 1930 | sc = device_get_softc(dev); |
| 1931 | temp = pci_read_config(sc->bdev, AGP_I915_IFPADDR, 4); |
| 1932 | if ((temp & 1) != 0) { |
| 1933 | temp &= ~1; |
| 1934 | if (bootverbose) |
| 1935 | device_printf(dev, |
| 1936 | "Found already configured flush page at 0x%jx\n", |
| 1937 | (uintmax_t)temp); |
| 1938 | sc->sc_bios_allocated_flush_page = 1; |
| 1939 | /* |
| 1940 | * In the case BIOS initialized the flush pointer (?) |
| 1941 | * register, expect that BIOS also set up the resource |
| 1942 | * for the page. |
| 1943 | */ |
| 1944 | error = agp_i915_chipset_flush_alloc_page(dev, temp, |
| 1945 | temp + PAGE_SIZE - 1); |
| 1946 | if (error != 0) |
| 1947 | return (error); |
| 1948 | } else { |
| 1949 | sc->sc_bios_allocated_flush_page = 0; |
| 1950 | error = agp_i915_chipset_flush_alloc_page(dev, 0, 0xffffffff); |
| 1951 | if (error != 0) |
| 1952 | return (error); |
| 1953 | temp = rman_get_start(sc->sc_flush_page_res); |
| 1954 | pci_write_config(sc->bdev, AGP_I915_IFPADDR, temp | 1, 4); |
| 1955 | } |
| 1956 | return (0); |
| 1957 | } |
| 1958 | |
| 1959 | static void |
| 1960 | agp_i915_chipset_flush_teardown(device_t dev) |
| 1961 | { |
| 1962 | struct agp_i810_softc *sc; |
| 1963 | uint32_t temp; |
| 1964 | |
| 1965 | sc = device_get_softc(dev); |
| 1966 | if (sc->sc_flush_page_res == NULL) |
| 1967 | return; |
| 1968 | if (!sc->sc_bios_allocated_flush_page) { |
| 1969 | temp = pci_read_config(sc->bdev, AGP_I915_IFPADDR, 4); |
| 1970 | temp &= ~1; |
| 1971 | pci_write_config(sc->bdev, AGP_I915_IFPADDR, temp, 4); |
| 1972 | } |
| 1973 | agp_i915_chipset_flush_free_page(dev); |
| 1974 | } |
| 1975 | |
| 1976 | static int |
| 1977 | agp_i965_chipset_flush_setup(device_t dev) |
| 1978 | { |
| 1979 | struct agp_i810_softc *sc; |
| 1980 | uint64_t temp; |
| 1981 | uint32_t temp_hi, temp_lo; |
| 1982 | int error; |
| 1983 | |
| 1984 | sc = device_get_softc(dev); |
| 1985 | |
| 1986 | temp_hi = pci_read_config(sc->bdev, AGP_I965_IFPADDR + 4, 4); |
| 1987 | temp_lo = pci_read_config(sc->bdev, AGP_I965_IFPADDR, 4); |
| 1988 | |
| 1989 | if ((temp_lo & 1) != 0) { |
| 1990 | temp = ((uint64_t)temp_hi << 32) | (temp_lo & ~1); |
| 1991 | if (bootverbose) |
| 1992 | device_printf(dev, |
| 1993 | "Found already configured flush page at 0x%jx\n", |
| 1994 | (uintmax_t)temp); |
| 1995 | sc->sc_bios_allocated_flush_page = 1; |
| 1996 | /* |
| 1997 | * In the case BIOS initialized the flush pointer (?) |
| 1998 | * register, expect that BIOS also set up the resource |
| 1999 | * for the page. |
| 2000 | */ |
| 2001 | error = agp_i915_chipset_flush_alloc_page(dev, temp, |
| 2002 | temp + PAGE_SIZE - 1); |
| 2003 | if (error != 0) |
| 2004 | return (error); |
| 2005 | } else { |
| 2006 | sc->sc_bios_allocated_flush_page = 0; |
| 2007 | error = agp_i915_chipset_flush_alloc_page(dev, 0, ~0); |
| 2008 | if (error != 0) |
| 2009 | return (error); |
| 2010 | temp = rman_get_start(sc->sc_flush_page_res); |
| 2011 | pci_write_config(sc->bdev, AGP_I965_IFPADDR + 4, |
| 2012 | (temp >> 32) & UINT32_MAX, 4); |
| 2013 | pci_write_config(sc->bdev, AGP_I965_IFPADDR, |
| 2014 | (temp & UINT32_MAX) | 1, 4); |
| 2015 | } |
| 2016 | return (0); |
| 2017 | } |
| 2018 | |
| 2019 | static void |
| 2020 | agp_i965_chipset_flush_teardown(device_t dev) |
| 2021 | { |
| 2022 | struct agp_i810_softc *sc; |
| 2023 | uint32_t temp_lo; |
| 2024 | |
| 2025 | sc = device_get_softc(dev); |
| 2026 | if (sc->sc_flush_page_res == NULL) |
| 2027 | return; |
| 2028 | if (!sc->sc_bios_allocated_flush_page) { |
| 2029 | temp_lo = pci_read_config(sc->bdev, AGP_I965_IFPADDR, 4); |
| 2030 | temp_lo &= ~1; |
| 2031 | pci_write_config(sc->bdev, AGP_I965_IFPADDR, temp_lo, 4); |
| 2032 | } |
| 2033 | agp_i915_chipset_flush_free_page(dev); |
| 2034 | } |
| 2035 | |
| 2036 | static void |
| 2037 | agp_i915_chipset_flush(device_t dev) |
| 2038 | { |
| 2039 | struct agp_i810_softc *sc; |
| 2040 | |
| 2041 | sc = device_get_softc(dev); |
| 2042 | *(uint32_t *)sc->sc_flush_page_vaddr = 1; |
| 2043 | } |
| 2044 | |
| 2045 | int |
| 2046 | agp_intel_gtt_chipset_flush(device_t dev) |
| 2047 | { |
| 2048 | struct agp_i810_softc *sc; |
| 2049 | |
| 2050 | sc = device_get_softc(dev); |
| 2051 | sc->match->driver->chipset_flush(dev); |
| 2052 | return (0); |
| 2053 | } |
| 2054 | |
| 2055 | void |
| 2056 | agp_intel_gtt_unmap_memory(device_t dev, struct sglist *sg_list) |
| 2057 | { |
| 2058 | } |
| 2059 | |
| 2060 | int |
| 2061 | agp_intel_gtt_map_memory(device_t dev, vm_page_t *pages, u_int num_entries, |
| 2062 | struct sglist **sg_list) |
| 2063 | { |
| 2064 | #if 0 |
| 2065 | struct agp_i810_softc *sc; |
| 2066 | #endif |
| 2067 | struct sglist *sg; |
| 2068 | int i; |
| 2069 | #if 0 |
| 2070 | int error; |
| 2071 | bus_dma_tag_t dmat; |
| 2072 | #endif |
| 2073 | |
| 2074 | if (*sg_list != NULL) |
| 2075 | return (0); |
| 2076 | #if 0 |
| 2077 | sc = device_get_softc(dev); |
| 2078 | #endif |
| 2079 | sg = sglist_alloc(num_entries, M_WAITOK /* XXXKIB */); |
| 2080 | for (i = 0; i < num_entries; i++) { |
| 2081 | sg->sg_segs[i].ss_paddr = VM_PAGE_TO_PHYS(pages[i]); |
| 2082 | sg->sg_segs[i].ss_len = PAGE_SIZE; |
| 2083 | } |
| 2084 | |
| 2085 | #if 0 |
| 2086 | error = bus_dma_tag_create(bus_get_dma_tag(dev), |
| 2087 | 1 /* alignment */, 0 /* boundary */, |
| 2088 | 1ULL << sc->match->busdma_addr_mask_sz /* lowaddr */, |
| 2089 | BUS_SPACE_MAXADDR /* highaddr */, |
| 2090 | NULL /* filtfunc */, NULL /* filtfuncarg */, |
| 2091 | BUS_SPACE_MAXADDR /* maxsize */, |
| 2092 | BUS_SPACE_UNRESTRICTED /* nsegments */, |
| 2093 | BUS_SPACE_MAXADDR /* maxsegsz */, |
| 2094 | 0 /* flags */, NULL /* lockfunc */, NULL /* lockfuncarg */, |
| 2095 | &dmat); |
| 2096 | if (error != 0) { |
| 2097 | sglist_free(sg); |
| 2098 | return (error); |
| 2099 | } |
| 2100 | /* XXXKIB */ |
| 2101 | #endif |
| 2102 | *sg_list = sg; |
| 2103 | return (0); |
| 2104 | } |
| 2105 | |
| 2106 | void |
| 2107 | agp_intel_gtt_insert_sg_entries(device_t dev, struct sglist *sg_list, |
| 2108 | u_int first_entry, u_int flags) |
| 2109 | { |
| 2110 | struct agp_i810_softc *sc; |
| 2111 | vm_paddr_t spaddr; |
| 2112 | size_t slen; |
| 2113 | u_int i, j; |
| 2114 | |
| 2115 | sc = device_get_softc(dev); |
| 2116 | for (i = j = 0; j < sg_list->sg_nseg; j++) { |
| 2117 | spaddr = sg_list->sg_segs[i].ss_paddr; |
| 2118 | slen = sg_list->sg_segs[i].ss_len; |
| 2119 | for (; slen > 0; i++) { |
| 2120 | sc->match->driver->install_gtt_pte(dev, first_entry + i, |
| 2121 | spaddr, flags); |
| 2122 | spaddr += AGP_PAGE_SIZE; |
| 2123 | slen -= AGP_PAGE_SIZE; |
| 2124 | } |
| 2125 | } |
| 2126 | sc->match->driver->sync_gtt_pte(dev, first_entry + i - 1); |
| 2127 | } |
| 2128 | |
| 2129 | void |
| 2130 | intel_gtt_clear_range(u_int first_entry, u_int num_entries) |
| 2131 | { |
| 2132 | |
| 2133 | agp_intel_gtt_clear_range(intel_agp, first_entry, num_entries); |
| 2134 | } |
| 2135 | |
| 2136 | void |
| 2137 | intel_gtt_insert_pages(u_int first_entry, u_int num_entries, vm_page_t *pages, |
| 2138 | u_int flags) |
| 2139 | { |
| 2140 | |
| 2141 | agp_intel_gtt_insert_pages(intel_agp, first_entry, num_entries, |
| 2142 | pages, flags); |
| 2143 | } |
| 2144 | |
| 2145 | struct intel_gtt *intel_gtt_get(void) |
| 2146 | { |
| 2147 | intel_private.base = agp_intel_gtt_get(intel_agp); |
| 2148 | return &intel_private.base; |
| 2149 | } |
| 2150 | |
| 2151 | int |
| 2152 | intel_gtt_chipset_flush(void) |
| 2153 | { |
| 2154 | |
| 2155 | return (agp_intel_gtt_chipset_flush(intel_agp)); |
| 2156 | } |
| 2157 | |
| 2158 | void |
| 2159 | intel_gtt_unmap_memory(struct sglist *sg_list) |
| 2160 | { |
| 2161 | |
| 2162 | agp_intel_gtt_unmap_memory(intel_agp, sg_list); |
| 2163 | } |
| 2164 | |
| 2165 | int |
| 2166 | intel_gtt_map_memory(vm_page_t *pages, u_int num_entries, |
| 2167 | struct sglist **sg_list) |
| 2168 | { |
| 2169 | |
| 2170 | return (agp_intel_gtt_map_memory(intel_agp, pages, num_entries, |
| 2171 | sg_list)); |
| 2172 | } |
| 2173 | |
| 2174 | void |
| 2175 | intel_gtt_insert_sg_entries(struct sglist *sg_list, u_int first_entry, |
| 2176 | u_int flags) |
| 2177 | { |
| 2178 | |
| 2179 | agp_intel_gtt_insert_sg_entries(intel_agp, sg_list, first_entry, flags); |
| 2180 | } |
| 2181 | |
| 2182 | /* |
| 2183 | * Only used by gen6 |
| 2184 | */ |
| 2185 | void |
| 2186 | intel_gtt_sync_pte(u_int entry) |
| 2187 | { |
| 2188 | struct agp_i810_softc *sc; |
| 2189 | |
| 2190 | sc = device_get_softc(intel_agp); |
| 2191 | sc->match->driver->sync_gtt_pte(intel_agp, entry); |
| 2192 | } |
| 2193 | |
| 2194 | /* |
| 2195 | * Only used by gen6 |
| 2196 | */ |
| 2197 | void |
| 2198 | intel_gtt_write(u_int entry, uint32_t val) |
| 2199 | { |
| 2200 | struct agp_i810_softc *sc; |
| 2201 | |
| 2202 | sc = device_get_softc(intel_agp); |
| 2203 | sc->match->driver->write_gtt(intel_agp, entry, val); |
| 2204 | } |