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 <drm/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_MEDFIELD) 64 {0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 65 {0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 66 {0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 67 {0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 68 {0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 69 {0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 70 {0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 71 {0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, 72 #endif 73 #if defined(CONFIG_DRM_GMA3600) 74 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 75 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 76 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 77 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 78 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 79 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 80 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 81 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 82 { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 83 { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 84 { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 85 { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 86 { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 87 { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 88 { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 89 { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, 90 #endif 91 { 0, } 92 }; 93 MODULE_DEVICE_TABLE(pci, pciidlist); 94 95 /* 96 * Standard IOCTLs. 97 */ 98 99 #define DRM_IOCTL_GMA_ADB \ 100 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t) 101 #define DRM_IOCTL_GMA_MODE_OPERATION \ 102 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \ 103 struct drm_psb_mode_operation_arg) 104 #define DRM_IOCTL_GMA_STOLEN_MEMORY \ 105 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \ 106 struct drm_psb_stolen_memory_arg) 107 #define DRM_IOCTL_GMA_GAMMA \ 108 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \ 109 struct drm_psb_dpst_lut_arg) 110 #define DRM_IOCTL_GMA_DPST_BL \ 111 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \ 112 uint32_t) 113 #define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID \ 114 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \ 115 struct drm_psb_get_pipe_from_crtc_id_arg) 116 #define DRM_IOCTL_GMA_GEM_CREATE \ 117 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \ 118 struct drm_psb_gem_create) 119 #define DRM_IOCTL_GMA_GEM_MMAP \ 120 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \ 121 struct drm_psb_gem_mmap) 122 123 static int psb_adb_ioctl(struct drm_device *dev, void *data, 124 struct drm_file *file_priv); 125 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, 126 struct drm_file *file_priv); 127 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, 128 struct drm_file *file_priv); 129 static int psb_gamma_ioctl(struct drm_device *dev, void *data, 130 struct drm_file *file_priv); 131 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, 132 struct drm_file *file_priv); 133 134 static struct drm_ioctl_desc psb_ioctls[] = { 135 DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH), 136 DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl, 137 DRM_AUTH), 138 DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl, 139 DRM_AUTH), 140 DRM_IOCTL_DEF_DRV(GMA_GAMMA, psb_gamma_ioctl, DRM_AUTH), 141 DRM_IOCTL_DEF_DRV(GMA_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH), 142 DRM_IOCTL_DEF_DRV(GMA_GET_PIPE_FROM_CRTC_ID, 143 psb_intel_get_pipe_from_crtc_id, 0), 144 DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl, 145 DRM_UNLOCKED | DRM_AUTH), 146 DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl, 147 DRM_UNLOCKED | DRM_AUTH), 148 }; 149 150 static void psb_lastclose(struct drm_device *dev) 151 { 152 return; 153 } 154 155 static int psb_do_init(struct drm_device *dev) 156 { 157 struct drm_psb_private *dev_priv = dev->dev_private; 158 struct psb_gtt *pg = &dev_priv->gtt; 159 160 uint32_t stolen_gtt; 161 162 int ret = -ENOMEM; 163 164 if (pg->mmu_gatt_start & 0x0FFFFFFF) { 165 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n"); 166 ret = -EINVAL; 167 goto out_err; 168 } 169 170 171 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; 172 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; 173 stolen_gtt = 174 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages; 175 176 dev_priv->gatt_free_offset = pg->mmu_gatt_start + 177 (stolen_gtt << PAGE_SHIFT) * 1024; 178 179 spin_lock_init(&dev_priv->irqmask_lock); 180 spin_lock_init(&dev_priv->lock_2d); 181 182 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); 183 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); 184 PSB_RSGX32(PSB_CR_BIF_BANK1); 185 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK, 186 PSB_CR_BIF_CTRL); 187 psb_spank(dev_priv); 188 189 /* mmu_gatt ?? */ 190 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); 191 return 0; 192 out_err: 193 return ret; 194 } 195 196 static int psb_driver_unload(struct drm_device *dev) 197 { 198 struct drm_psb_private *dev_priv = dev->dev_private; 199 200 /* Kill vblank etc here */ 201 202 203 if (dev_priv) { 204 if (dev_priv->backlight_device) 205 gma_backlight_exit(dev); 206 psb_modeset_cleanup(dev); 207 208 if (dev_priv->ops->chip_teardown) 209 dev_priv->ops->chip_teardown(dev); 210 211 psb_intel_opregion_fini(dev); 212 213 if (dev_priv->pf_pd) { 214 psb_mmu_free_pagedir(dev_priv->pf_pd); 215 dev_priv->pf_pd = NULL; 216 } 217 if (dev_priv->mmu) { 218 struct psb_gtt *pg = &dev_priv->gtt; 219 220 down_read(&pg->sem); 221 psb_mmu_remove_pfn_sequence( 222 psb_mmu_get_default_pd 223 (dev_priv->mmu), 224 pg->mmu_gatt_start, 225 dev_priv->vram_stolen_size >> PAGE_SHIFT); 226 up_read(&pg->sem); 227 psb_mmu_driver_takedown(dev_priv->mmu); 228 dev_priv->mmu = NULL; 229 } 230 psb_gtt_takedown(dev); 231 if (dev_priv->scratch_page) { 232 set_pages_wb(dev_priv->scratch_page, 1); 233 __free_page(dev_priv->scratch_page); 234 dev_priv->scratch_page = NULL; 235 } 236 if (dev_priv->vdc_reg) { 237 iounmap(dev_priv->vdc_reg); 238 dev_priv->vdc_reg = NULL; 239 } 240 if (dev_priv->sgx_reg) { 241 iounmap(dev_priv->sgx_reg); 242 dev_priv->sgx_reg = NULL; 243 } 244 245 /* Destroy VBT data */ 246 psb_intel_destroy_bios(dev); 247 248 kfree(dev_priv); 249 dev->dev_private = NULL; 250 } 251 gma_power_uninit(dev); 252 return 0; 253 } 254 255 256 static int psb_driver_load(struct drm_device *dev, unsigned long chipset) 257 { 258 struct drm_psb_private *dev_priv; 259 unsigned long resource_start; 260 unsigned long irqflags; 261 int ret = -ENOMEM; 262 struct drm_connector *connector; 263 struct psb_intel_encoder *psb_intel_encoder; 264 265 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); 266 if (dev_priv == NULL) 267 return -ENOMEM; 268 269 dev_priv->ops = (struct psb_ops *)chipset; 270 dev_priv->dev = dev; 271 dev->dev_private = (void *) dev_priv; 272 273 pci_set_master(dev->pdev); 274 275 dev_priv->num_pipe = dev_priv->ops->pipes; 276 277 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE); 278 279 dev_priv->vdc_reg = 280 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE); 281 if (!dev_priv->vdc_reg) 282 goto out_err; 283 284 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset, 285 PSB_SGX_SIZE); 286 if (!dev_priv->sgx_reg) 287 goto out_err; 288 289 psb_intel_opregion_setup(dev); 290 291 ret = dev_priv->ops->chip_setup(dev); 292 if (ret) 293 goto out_err; 294 295 /* Init OSPM support */ 296 gma_power_init(dev); 297 298 ret = -ENOMEM; 299 300 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO); 301 if (!dev_priv->scratch_page) 302 goto out_err; 303 304 set_pages_uc(dev_priv->scratch_page, 1); 305 306 ret = psb_gtt_init(dev, 0); 307 if (ret) 308 goto out_err; 309 310 dev_priv->mmu = psb_mmu_driver_init((void *)0, 311 drm_psb_trap_pagefaults, 0, 312 dev_priv); 313 if (!dev_priv->mmu) 314 goto out_err; 315 316 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); 317 if (!dev_priv->pf_pd) 318 goto out_err; 319 320 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); 321 psb_mmu_set_pd_context(dev_priv->pf_pd, 1); 322 323 ret = psb_do_init(dev); 324 if (ret) 325 return ret; 326 327 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE); 328 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE); 329 330 acpi_video_register(); 331 332 ret = drm_vblank_init(dev, dev_priv->num_pipe); 333 if (ret) 334 goto out_err; 335 336 /* 337 * Install interrupt handlers prior to powering off SGX or else we will 338 * crash. 339 */ 340 dev_priv->vdc_irq_mask = 0; 341 dev_priv->pipestat[0] = 0; 342 dev_priv->pipestat[1] = 0; 343 dev_priv->pipestat[2] = 0; 344 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); 345 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); 346 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); 347 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); 348 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); 349 350 drm_irq_install(dev); 351 352 dev->vblank_disable_allowed = 1; 353 354 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ 355 356 dev->driver->get_vblank_counter = psb_get_vblank_counter; 357 358 psb_modeset_init(dev); 359 psb_fbdev_init(dev); 360 drm_kms_helper_poll_init(dev); 361 362 /* Only add backlight support if we have LVDS output */ 363 list_for_each_entry(connector, &dev->mode_config.connector_list, 364 head) { 365 psb_intel_encoder = psb_intel_attached_encoder(connector); 366 367 switch (psb_intel_encoder->type) { 368 case INTEL_OUTPUT_LVDS: 369 case INTEL_OUTPUT_MIPI: 370 ret = gma_backlight_init(dev); 371 break; 372 } 373 } 374 375 if (ret) 376 return ret; 377 psb_intel_opregion_enable_asle(dev); 378 #if 0 379 /*enable runtime pm at last*/ 380 pm_runtime_enable(&dev->pdev->dev); 381 pm_runtime_set_active(&dev->pdev->dev); 382 #endif 383 /*Intel drm driver load is done, continue doing pvr load*/ 384 return 0; 385 out_err: 386 psb_driver_unload(dev); 387 return ret; 388 } 389 390 static int psb_driver_device_is_agp(struct drm_device *dev) 391 { 392 return 0; 393 } 394 395 static inline void get_brightness(struct backlight_device *bd) 396 { 397 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE 398 if (bd) { 399 bd->props.brightness = bd->ops->get_brightness(bd); 400 backlight_update_status(bd); 401 } 402 #endif 403 } 404 405 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, 406 struct drm_file *file_priv) 407 { 408 struct drm_psb_private *dev_priv = psb_priv(dev); 409 uint32_t *arg = data; 410 411 dev_priv->blc_adj2 = *arg; 412 get_brightness(dev_priv->backlight_device); 413 return 0; 414 } 415 416 static int psb_adb_ioctl(struct drm_device *dev, void *data, 417 struct drm_file *file_priv) 418 { 419 struct drm_psb_private *dev_priv = psb_priv(dev); 420 uint32_t *arg = data; 421 422 dev_priv->blc_adj1 = *arg; 423 get_brightness(dev_priv->backlight_device); 424 return 0; 425 } 426 427 static int psb_gamma_ioctl(struct drm_device *dev, void *data, 428 struct drm_file *file_priv) 429 { 430 struct drm_psb_dpst_lut_arg *lut_arg = data; 431 struct drm_mode_object *obj; 432 struct drm_crtc *crtc; 433 struct drm_connector *connector; 434 struct psb_intel_crtc *psb_intel_crtc; 435 int i = 0; 436 int32_t obj_id; 437 438 obj_id = lut_arg->output_id; 439 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR); 440 if (!obj) { 441 dev_dbg(dev->dev, "Invalid Connector object.\n"); 442 return -EINVAL; 443 } 444 445 connector = obj_to_connector(obj); 446 crtc = connector->encoder->crtc; 447 psb_intel_crtc = to_psb_intel_crtc(crtc); 448 449 for (i = 0; i < 256; i++) 450 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i]; 451 452 psb_intel_crtc_load_lut(crtc); 453 454 return 0; 455 } 456 457 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, 458 struct drm_file *file_priv) 459 { 460 uint32_t obj_id; 461 uint16_t op; 462 struct drm_mode_modeinfo *umode; 463 struct drm_display_mode *mode = NULL; 464 struct drm_psb_mode_operation_arg *arg; 465 struct drm_mode_object *obj; 466 struct drm_connector *connector; 467 struct drm_connector_helper_funcs *connector_funcs; 468 int ret = 0; 469 int resp = MODE_OK; 470 471 arg = (struct drm_psb_mode_operation_arg *)data; 472 obj_id = arg->obj_id; 473 op = arg->operation; 474 475 switch (op) { 476 case PSB_MODE_OPERATION_MODE_VALID: 477 umode = &arg->mode; 478 479 mutex_lock(&dev->mode_config.mutex); 480 481 obj = drm_mode_object_find(dev, obj_id, 482 DRM_MODE_OBJECT_CONNECTOR); 483 if (!obj) { 484 ret = -EINVAL; 485 goto mode_op_out; 486 } 487 488 connector = obj_to_connector(obj); 489 490 mode = drm_mode_create(dev); 491 if (!mode) { 492 ret = -ENOMEM; 493 goto mode_op_out; 494 } 495 496 /* drm_crtc_convert_umode(mode, umode); */ 497 { 498 mode->clock = umode->clock; 499 mode->hdisplay = umode->hdisplay; 500 mode->hsync_start = umode->hsync_start; 501 mode->hsync_end = umode->hsync_end; 502 mode->htotal = umode->htotal; 503 mode->hskew = umode->hskew; 504 mode->vdisplay = umode->vdisplay; 505 mode->vsync_start = umode->vsync_start; 506 mode->vsync_end = umode->vsync_end; 507 mode->vtotal = umode->vtotal; 508 mode->vscan = umode->vscan; 509 mode->vrefresh = umode->vrefresh; 510 mode->flags = umode->flags; 511 mode->type = umode->type; 512 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN); 513 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0; 514 } 515 516 connector_funcs = (struct drm_connector_helper_funcs *) 517 connector->helper_private; 518 519 if (connector_funcs->mode_valid) { 520 resp = connector_funcs->mode_valid(connector, mode); 521 arg->data = resp; 522 } 523 524 /*do some clean up work*/ 525 if (mode) 526 drm_mode_destroy(dev, mode); 527 mode_op_out: 528 mutex_unlock(&dev->mode_config.mutex); 529 return ret; 530 531 default: 532 dev_dbg(dev->dev, "Unsupported psb mode operation\n"); 533 return -EOPNOTSUPP; 534 } 535 536 return 0; 537 } 538 539 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, 540 struct drm_file *file_priv) 541 { 542 struct drm_psb_private *dev_priv = psb_priv(dev); 543 struct drm_psb_stolen_memory_arg *arg = data; 544 545 arg->base = dev_priv->stolen_base; 546 arg->size = dev_priv->vram_stolen_size; 547 548 return 0; 549 } 550 551 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv) 552 { 553 return 0; 554 } 555 556 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv) 557 { 558 } 559 560 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd, 561 unsigned long arg) 562 { 563 struct drm_file *file_priv = filp->private_data; 564 struct drm_device *dev = file_priv->minor->dev; 565 struct drm_psb_private *dev_priv = dev->dev_private; 566 static unsigned int runtime_allowed; 567 568 if (runtime_allowed == 1 && dev_priv->is_lvds_on) { 569 runtime_allowed++; 570 pm_runtime_allow(&dev->pdev->dev); 571 dev_priv->rpm_enabled = 1; 572 } 573 return drm_ioctl(filp, cmd, arg); 574 /* FIXME: do we need to wrap the other side of this */ 575 } 576 577 578 /* When a client dies: 579 * - Check for and clean up flipped page state 580 */ 581 static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv) 582 { 583 } 584 585 static void psb_remove(struct pci_dev *pdev) 586 { 587 struct drm_device *dev = pci_get_drvdata(pdev); 588 drm_put_dev(dev); 589 } 590 591 static const struct dev_pm_ops psb_pm_ops = { 592 .resume = gma_power_resume, 593 .suspend = gma_power_suspend, 594 .runtime_suspend = psb_runtime_suspend, 595 .runtime_resume = psb_runtime_resume, 596 .runtime_idle = psb_runtime_idle, 597 }; 598 599 static const struct vm_operations_struct psb_gem_vm_ops = { 600 .fault = psb_gem_fault, 601 .open = drm_gem_vm_open, 602 .close = drm_gem_vm_close, 603 }; 604 605 static const struct file_operations psb_gem_fops = { 606 .owner = THIS_MODULE, 607 .open = drm_open, 608 .release = drm_release, 609 .unlocked_ioctl = psb_unlocked_ioctl, 610 .mmap = drm_gem_mmap, 611 .poll = drm_poll, 612 .fasync = drm_fasync, 613 .read = drm_read, 614 }; 615 616 static struct drm_driver driver = { 617 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \ 618 DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM , 619 .load = psb_driver_load, 620 .unload = psb_driver_unload, 621 622 .ioctls = psb_ioctls, 623 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls), 624 .device_is_agp = psb_driver_device_is_agp, 625 .irq_preinstall = psb_irq_preinstall, 626 .irq_postinstall = psb_irq_postinstall, 627 .irq_uninstall = psb_irq_uninstall, 628 .irq_handler = psb_irq_handler, 629 .enable_vblank = psb_enable_vblank, 630 .disable_vblank = psb_disable_vblank, 631 .get_vblank_counter = psb_get_vblank_counter, 632 .lastclose = psb_lastclose, 633 .open = psb_driver_open, 634 .preclose = psb_driver_preclose, 635 .postclose = psb_driver_close, 636 637 .gem_init_object = psb_gem_init_object, 638 .gem_free_object = psb_gem_free_object, 639 .gem_vm_ops = &psb_gem_vm_ops, 640 .dumb_create = psb_gem_dumb_create, 641 .dumb_map_offset = psb_gem_dumb_map_gtt, 642 .dumb_destroy = psb_gem_dumb_destroy, 643 .fops = &psb_gem_fops, 644 .name = DRIVER_NAME, 645 .desc = DRIVER_DESC, 646 .date = PSB_DRM_DRIVER_DATE, 647 .major = PSB_DRM_DRIVER_MAJOR, 648 .minor = PSB_DRM_DRIVER_MINOR, 649 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL 650 }; 651 652 static struct pci_driver psb_pci_driver = { 653 .name = DRIVER_NAME, 654 .id_table = pciidlist, 655 .probe = psb_probe, 656 .remove = psb_remove, 657 .driver = { 658 .pm = &psb_pm_ops, 659 } 660 }; 661 662 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 663 { 664 return drm_get_pci_dev(pdev, ent, &driver); 665 } 666 667 static int __init psb_init(void) 668 { 669 return drm_pci_init(&driver, &psb_pci_driver); 670 } 671 672 static void __exit psb_exit(void) 673 { 674 drm_pci_exit(&driver, &psb_pci_driver); 675 } 676 677 late_initcall(psb_init); 678 module_exit(psb_exit); 679 680 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others"); 681 MODULE_DESCRIPTION(DRIVER_DESC); 682 MODULE_LICENSE("GPL"); 683