1 /************************************************************************** 2 * Copyright (c) 2007-2011, Intel Corporation. 3 * All Rights Reserved. 4 * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA. 5 * All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms and conditions of the GNU General Public License, 9 * version 2, as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 **************************************************************************/ 21 22 #include <drm/drmP.h> 23 #include <drm/drm.h> 24 #include "gma_drm.h" 25 #include "psb_drv.h" 26 #include "framebuffer.h" 27 #include "psb_reg.h" 28 #include "psb_intel_reg.h" 29 #include "intel_bios.h" 30 #include "mid_bios.h" 31 #include <drm/drm_pciids.h> 32 #include "power.h" 33 #include <linux/cpu.h> 34 #include <linux/notifier.h> 35 #include <linux/spinlock.h> 36 #include <linux/pm_runtime.h> 37 #include <acpi/video.h> 38 #include <linux/module.h> 39 40 static int drm_psb_trap_pagefaults; 41 42 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 43 44 MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults"); 45 module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600); 46 47 48 static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { 49 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, 50 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, 51 #if defined(CONFIG_DRM_GMA600) 52 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 53 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 54 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 55 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 56 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 57 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 58 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 59 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 60 /* Atom E620 */ 61 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, 62 #endif 63 #if defined(CONFIG_DRM_GMA3600) 64 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 65 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 66 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 67 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 68 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 69 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 70 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 71 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 72 #endif 73 { 0, 0, 0} 74 }; 75 MODULE_DEVICE_TABLE(pci, pciidlist); 76 77 /* 78 * Standard IOCTLs. 79 */ 80 81 #define DRM_IOCTL_PSB_ADB \ 82 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t) 83 #define DRM_IOCTL_PSB_MODE_OPERATION \ 84 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \ 85 struct drm_psb_mode_operation_arg) 86 #define DRM_IOCTL_PSB_STOLEN_MEMORY \ 87 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \ 88 struct drm_psb_stolen_memory_arg) 89 #define DRM_IOCTL_PSB_GAMMA \ 90 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \ 91 struct drm_psb_dpst_lut_arg) 92 #define DRM_IOCTL_PSB_DPST_BL \ 93 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \ 94 uint32_t) 95 #define DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID \ 96 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \ 97 struct drm_psb_get_pipe_from_crtc_id_arg) 98 #define DRM_IOCTL_PSB_GEM_CREATE \ 99 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \ 100 struct drm_psb_gem_create) 101 #define DRM_IOCTL_PSB_GEM_MMAP \ 102 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \ 103 struct drm_psb_gem_mmap) 104 105 static int psb_adb_ioctl(struct drm_device *dev, void *data, 106 struct drm_file *file_priv); 107 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, 108 struct drm_file *file_priv); 109 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, 110 struct drm_file *file_priv); 111 static int psb_gamma_ioctl(struct drm_device *dev, void *data, 112 struct drm_file *file_priv); 113 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, 114 struct drm_file *file_priv); 115 116 #define PSB_IOCTL_DEF(ioctl, func, flags) \ 117 [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func} 118 119 static struct drm_ioctl_desc psb_ioctls[] = { 120 PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH), 121 PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl, 122 DRM_AUTH), 123 PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl, 124 DRM_AUTH), 125 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH), 126 PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH), 127 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID, 128 psb_intel_get_pipe_from_crtc_id, 0), 129 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl, 130 DRM_UNLOCKED | DRM_AUTH), 131 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl, 132 DRM_UNLOCKED | DRM_AUTH), 133 }; 134 135 static void psb_lastclose(struct drm_device *dev) 136 { 137 return; 138 } 139 140 static void psb_do_takedown(struct drm_device *dev) 141 { 142 } 143 144 static int psb_do_init(struct drm_device *dev) 145 { 146 struct drm_psb_private *dev_priv = dev->dev_private; 147 struct psb_gtt *pg = &dev_priv->gtt; 148 149 uint32_t stolen_gtt; 150 151 int ret = -ENOMEM; 152 153 if (pg->mmu_gatt_start & 0x0FFFFFFF) { 154 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n"); 155 ret = -EINVAL; 156 goto out_err; 157 } 158 159 160 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; 161 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; 162 stolen_gtt = 163 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages; 164 165 dev_priv->gatt_free_offset = pg->mmu_gatt_start + 166 (stolen_gtt << PAGE_SHIFT) * 1024; 167 168 if (1 || drm_debug) { 169 uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID); 170 uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION); 171 DRM_INFO("SGX core id = 0x%08x\n", core_id); 172 DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n", 173 (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >> 174 _PSB_CC_REVISION_MAJOR_SHIFT, 175 (core_rev & _PSB_CC_REVISION_MINOR_MASK) >> 176 _PSB_CC_REVISION_MINOR_SHIFT); 177 DRM_INFO 178 ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n", 179 (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >> 180 _PSB_CC_REVISION_MAINTENANCE_SHIFT, 181 (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >> 182 _PSB_CC_REVISION_DESIGNER_SHIFT); 183 } 184 185 186 spin_lock_init(&dev_priv->irqmask_lock); 187 spin_lock_init(&dev_priv->lock_2d); 188 189 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); 190 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); 191 PSB_RSGX32(PSB_CR_BIF_BANK1); 192 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK, 193 PSB_CR_BIF_CTRL); 194 psb_spank(dev_priv); 195 196 /* mmu_gatt ?? */ 197 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); 198 return 0; 199 out_err: 200 psb_do_takedown(dev); 201 return ret; 202 } 203 204 static int psb_driver_unload(struct drm_device *dev) 205 { 206 struct drm_psb_private *dev_priv = dev->dev_private; 207 208 /* Kill vblank etc here */ 209 210 gma_backlight_exit(dev); 211 212 psb_modeset_cleanup(dev); 213 214 if (dev_priv) { 215 psb_lid_timer_takedown(dev_priv); 216 gma_intel_opregion_exit(dev); 217 218 if (dev_priv->ops->chip_teardown) 219 dev_priv->ops->chip_teardown(dev); 220 psb_do_takedown(dev); 221 222 223 if (dev_priv->pf_pd) { 224 psb_mmu_free_pagedir(dev_priv->pf_pd); 225 dev_priv->pf_pd = NULL; 226 } 227 if (dev_priv->mmu) { 228 struct psb_gtt *pg = &dev_priv->gtt; 229 230 down_read(&pg->sem); 231 psb_mmu_remove_pfn_sequence( 232 psb_mmu_get_default_pd 233 (dev_priv->mmu), 234 pg->mmu_gatt_start, 235 dev_priv->vram_stolen_size >> PAGE_SHIFT); 236 up_read(&pg->sem); 237 psb_mmu_driver_takedown(dev_priv->mmu); 238 dev_priv->mmu = NULL; 239 } 240 psb_gtt_takedown(dev); 241 if (dev_priv->scratch_page) { 242 __free_page(dev_priv->scratch_page); 243 dev_priv->scratch_page = NULL; 244 } 245 if (dev_priv->vdc_reg) { 246 iounmap(dev_priv->vdc_reg); 247 dev_priv->vdc_reg = NULL; 248 } 249 if (dev_priv->sgx_reg) { 250 iounmap(dev_priv->sgx_reg); 251 dev_priv->sgx_reg = NULL; 252 } 253 254 kfree(dev_priv); 255 dev->dev_private = NULL; 256 257 /*destroy VBT data*/ 258 psb_intel_destroy_bios(dev); 259 } 260 261 gma_power_uninit(dev); 262 263 return 0; 264 } 265 266 267 static int psb_driver_load(struct drm_device *dev, unsigned long chipset) 268 { 269 struct drm_psb_private *dev_priv; 270 unsigned long resource_start; 271 struct psb_gtt *pg; 272 unsigned long irqflags; 273 int ret = -ENOMEM; 274 uint32_t tt_pages; 275 struct drm_connector *connector; 276 struct psb_intel_encoder *psb_intel_encoder; 277 278 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); 279 if (dev_priv == NULL) 280 return -ENOMEM; 281 282 dev_priv->ops = (struct psb_ops *)chipset; 283 dev_priv->dev = dev; 284 dev->dev_private = (void *) dev_priv; 285 286 if (!IS_PSB(dev)) { 287 if (pci_enable_msi(dev->pdev)) 288 dev_warn(dev->dev, "Enabling MSI failed!\n"); 289 } 290 291 dev_priv->num_pipe = dev_priv->ops->pipes; 292 293 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE); 294 295 dev_priv->vdc_reg = 296 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE); 297 if (!dev_priv->vdc_reg) 298 goto out_err; 299 300 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset, 301 PSB_SGX_SIZE); 302 if (!dev_priv->sgx_reg) 303 goto out_err; 304 305 ret = dev_priv->ops->chip_setup(dev); 306 if (ret) 307 goto out_err; 308 309 /* Init OSPM support */ 310 gma_power_init(dev); 311 312 ret = -ENOMEM; 313 314 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO); 315 if (!dev_priv->scratch_page) 316 goto out_err; 317 318 set_pages_uc(dev_priv->scratch_page, 1); 319 320 ret = psb_gtt_init(dev, 0); 321 if (ret) 322 goto out_err; 323 324 dev_priv->mmu = psb_mmu_driver_init((void *)0, 325 drm_psb_trap_pagefaults, 0, 326 dev_priv); 327 if (!dev_priv->mmu) 328 goto out_err; 329 330 pg = &dev_priv->gtt; 331 332 tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ? 333 (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT; 334 335 336 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); 337 if (!dev_priv->pf_pd) 338 goto out_err; 339 340 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); 341 psb_mmu_set_pd_context(dev_priv->pf_pd, 1); 342 343 ret = psb_do_init(dev); 344 if (ret) 345 return ret; 346 347 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE); 348 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE); 349 350 /* igd_opregion_init(&dev_priv->opregion_dev); */ 351 acpi_video_register(); 352 if (dev_priv->lid_state) 353 psb_lid_timer_init(dev_priv); 354 355 ret = drm_vblank_init(dev, dev_priv->num_pipe); 356 if (ret) 357 goto out_err; 358 359 /* 360 * Install interrupt handlers prior to powering off SGX or else we will 361 * crash. 362 */ 363 dev_priv->vdc_irq_mask = 0; 364 dev_priv->pipestat[0] = 0; 365 dev_priv->pipestat[1] = 0; 366 dev_priv->pipestat[2] = 0; 367 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); 368 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); 369 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); 370 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); 371 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); 372 if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET)) 373 drm_irq_install(dev); 374 375 dev->vblank_disable_allowed = 1; 376 377 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ 378 379 dev->driver->get_vblank_counter = psb_get_vblank_counter; 380 381 psb_modeset_init(dev); 382 psb_fbdev_init(dev); 383 drm_kms_helper_poll_init(dev); 384 385 /* Only add backlight support if we have LVDS output */ 386 list_for_each_entry(connector, &dev->mode_config.connector_list, 387 head) { 388 psb_intel_encoder = psb_intel_attached_encoder(connector); 389 390 switch (psb_intel_encoder->type) { 391 case INTEL_OUTPUT_LVDS: 392 case INTEL_OUTPUT_MIPI: 393 ret = gma_backlight_init(dev); 394 break; 395 } 396 } 397 398 if (ret) 399 return ret; 400 #if 0 401 /*enable runtime pm at last*/ 402 pm_runtime_enable(&dev->pdev->dev); 403 pm_runtime_set_active(&dev->pdev->dev); 404 #endif 405 /*Intel drm driver load is done, continue doing pvr load*/ 406 return 0; 407 out_err: 408 psb_driver_unload(dev); 409 return ret; 410 } 411 412 int psb_driver_device_is_agp(struct drm_device *dev) 413 { 414 return 0; 415 } 416 417 static inline void get_brightness(struct backlight_device *bd) 418 { 419 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE 420 if (bd) { 421 bd->props.brightness = bd->ops->get_brightness(bd); 422 backlight_update_status(bd); 423 } 424 #endif 425 } 426 427 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, 428 struct drm_file *file_priv) 429 { 430 struct drm_psb_private *dev_priv = psb_priv(dev); 431 uint32_t *arg = data; 432 433 dev_priv->blc_adj2 = *arg; 434 get_brightness(dev_priv->backlight_device); 435 return 0; 436 } 437 438 static int psb_adb_ioctl(struct drm_device *dev, void *data, 439 struct drm_file *file_priv) 440 { 441 struct drm_psb_private *dev_priv = psb_priv(dev); 442 uint32_t *arg = data; 443 444 dev_priv->blc_adj1 = *arg; 445 get_brightness(dev_priv->backlight_device); 446 return 0; 447 } 448 449 static int psb_gamma_ioctl(struct drm_device *dev, void *data, 450 struct drm_file *file_priv) 451 { 452 struct drm_psb_dpst_lut_arg *lut_arg = data; 453 struct drm_mode_object *obj; 454 struct drm_crtc *crtc; 455 struct drm_connector *connector; 456 struct psb_intel_crtc *psb_intel_crtc; 457 int i = 0; 458 int32_t obj_id; 459 460 obj_id = lut_arg->output_id; 461 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR); 462 if (!obj) { 463 dev_dbg(dev->dev, "Invalid Connector object.\n"); 464 return -EINVAL; 465 } 466 467 connector = obj_to_connector(obj); 468 crtc = connector->encoder->crtc; 469 psb_intel_crtc = to_psb_intel_crtc(crtc); 470 471 for (i = 0; i < 256; i++) 472 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i]; 473 474 psb_intel_crtc_load_lut(crtc); 475 476 return 0; 477 } 478 479 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, 480 struct drm_file *file_priv) 481 { 482 uint32_t obj_id; 483 uint16_t op; 484 struct drm_mode_modeinfo *umode; 485 struct drm_display_mode *mode = NULL; 486 struct drm_psb_mode_operation_arg *arg; 487 struct drm_mode_object *obj; 488 struct drm_connector *connector; 489 struct drm_connector_helper_funcs *connector_funcs; 490 int ret = 0; 491 int resp = MODE_OK; 492 493 arg = (struct drm_psb_mode_operation_arg *)data; 494 obj_id = arg->obj_id; 495 op = arg->operation; 496 497 switch (op) { 498 case PSB_MODE_OPERATION_MODE_VALID: 499 umode = &arg->mode; 500 501 mutex_lock(&dev->mode_config.mutex); 502 503 obj = drm_mode_object_find(dev, obj_id, 504 DRM_MODE_OBJECT_CONNECTOR); 505 if (!obj) { 506 ret = -EINVAL; 507 goto mode_op_out; 508 } 509 510 connector = obj_to_connector(obj); 511 512 mode = drm_mode_create(dev); 513 if (!mode) { 514 ret = -ENOMEM; 515 goto mode_op_out; 516 } 517 518 /* drm_crtc_convert_umode(mode, umode); */ 519 { 520 mode->clock = umode->clock; 521 mode->hdisplay = umode->hdisplay; 522 mode->hsync_start = umode->hsync_start; 523 mode->hsync_end = umode->hsync_end; 524 mode->htotal = umode->htotal; 525 mode->hskew = umode->hskew; 526 mode->vdisplay = umode->vdisplay; 527 mode->vsync_start = umode->vsync_start; 528 mode->vsync_end = umode->vsync_end; 529 mode->vtotal = umode->vtotal; 530 mode->vscan = umode->vscan; 531 mode->vrefresh = umode->vrefresh; 532 mode->flags = umode->flags; 533 mode->type = umode->type; 534 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN); 535 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0; 536 } 537 538 connector_funcs = (struct drm_connector_helper_funcs *) 539 connector->helper_private; 540 541 if (connector_funcs->mode_valid) { 542 resp = connector_funcs->mode_valid(connector, mode); 543 arg->data = resp; 544 } 545 546 /*do some clean up work*/ 547 if (mode) 548 drm_mode_destroy(dev, mode); 549 mode_op_out: 550 mutex_unlock(&dev->mode_config.mutex); 551 return ret; 552 553 default: 554 dev_dbg(dev->dev, "Unsupported psb mode operation\n"); 555 return -EOPNOTSUPP; 556 } 557 558 return 0; 559 } 560 561 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, 562 struct drm_file *file_priv) 563 { 564 struct drm_psb_private *dev_priv = psb_priv(dev); 565 struct drm_psb_stolen_memory_arg *arg = data; 566 567 arg->base = dev_priv->stolen_base; 568 arg->size = dev_priv->vram_stolen_size; 569 570 return 0; 571 } 572 573 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv) 574 { 575 return 0; 576 } 577 578 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv) 579 { 580 } 581 582 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd, 583 unsigned long arg) 584 { 585 struct drm_file *file_priv = filp->private_data; 586 struct drm_device *dev = file_priv->minor->dev; 587 struct drm_psb_private *dev_priv = dev->dev_private; 588 static unsigned int runtime_allowed; 589 590 if (runtime_allowed == 1 && dev_priv->is_lvds_on) { 591 runtime_allowed++; 592 pm_runtime_allow(&dev->pdev->dev); 593 dev_priv->rpm_enabled = 1; 594 } 595 return drm_ioctl(filp, cmd, arg); 596 /* FIXME: do we need to wrap the other side of this */ 597 } 598 599 600 /* When a client dies: 601 * - Check for and clean up flipped page state 602 */ 603 void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv) 604 { 605 } 606 607 static void psb_remove(struct pci_dev *pdev) 608 { 609 struct drm_device *dev = pci_get_drvdata(pdev); 610 drm_put_dev(dev); 611 } 612 613 static const struct dev_pm_ops psb_pm_ops = { 614 .resume = gma_power_resume, 615 .suspend = gma_power_suspend, 616 .runtime_suspend = psb_runtime_suspend, 617 .runtime_resume = psb_runtime_resume, 618 .runtime_idle = psb_runtime_idle, 619 }; 620 621 static struct vm_operations_struct psb_gem_vm_ops = { 622 .fault = psb_gem_fault, 623 .open = drm_gem_vm_open, 624 .close = drm_gem_vm_close, 625 }; 626 627 static const struct file_operations psb_gem_fops = { 628 .owner = THIS_MODULE, 629 .open = drm_open, 630 .release = drm_release, 631 .unlocked_ioctl = psb_unlocked_ioctl, 632 .mmap = drm_gem_mmap, 633 .poll = drm_poll, 634 .fasync = drm_fasync, 635 .read = drm_read, 636 }; 637 638 static struct drm_driver driver = { 639 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \ 640 DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM , 641 .load = psb_driver_load, 642 .unload = psb_driver_unload, 643 644 .ioctls = psb_ioctls, 645 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls), 646 .device_is_agp = psb_driver_device_is_agp, 647 .irq_preinstall = psb_irq_preinstall, 648 .irq_postinstall = psb_irq_postinstall, 649 .irq_uninstall = psb_irq_uninstall, 650 .irq_handler = psb_irq_handler, 651 .enable_vblank = psb_enable_vblank, 652 .disable_vblank = psb_disable_vblank, 653 .get_vblank_counter = psb_get_vblank_counter, 654 .lastclose = psb_lastclose, 655 .open = psb_driver_open, 656 .preclose = psb_driver_preclose, 657 .postclose = psb_driver_close, 658 .reclaim_buffers = drm_core_reclaim_buffers, 659 660 .gem_init_object = psb_gem_init_object, 661 .gem_free_object = psb_gem_free_object, 662 .gem_vm_ops = &psb_gem_vm_ops, 663 .dumb_create = psb_gem_dumb_create, 664 .dumb_map_offset = psb_gem_dumb_map_gtt, 665 .dumb_destroy = psb_gem_dumb_destroy, 666 .fops = &psb_gem_fops, 667 .name = DRIVER_NAME, 668 .desc = DRIVER_DESC, 669 .date = PSB_DRM_DRIVER_DATE, 670 .major = PSB_DRM_DRIVER_MAJOR, 671 .minor = PSB_DRM_DRIVER_MINOR, 672 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL 673 }; 674 675 static struct pci_driver psb_pci_driver = { 676 .name = DRIVER_NAME, 677 .id_table = pciidlist, 678 .probe = psb_probe, 679 .remove = psb_remove, 680 .driver.pm = &psb_pm_ops, 681 }; 682 683 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 684 { 685 return drm_get_pci_dev(pdev, ent, &driver); 686 } 687 688 static int __init psb_init(void) 689 { 690 return drm_pci_init(&driver, &psb_pci_driver); 691 } 692 693 static void __exit psb_exit(void) 694 { 695 drm_pci_exit(&driver, &psb_pci_driver); 696 } 697 698 late_initcall(psb_init); 699 module_exit(psb_exit); 700 701 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others"); 702 MODULE_DESCRIPTION(DRIVER_DESC); 703 MODULE_LICENSE("GPL"); 704