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_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 #endif 83 { 0, } 84 }; 85 MODULE_DEVICE_TABLE(pci, pciidlist); 86 87 /* 88 * Standard IOCTLs. 89 */ 90 91 #define DRM_IOCTL_GMA_ADB \ 92 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t) 93 #define DRM_IOCTL_GMA_MODE_OPERATION \ 94 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \ 95 struct drm_psb_mode_operation_arg) 96 #define DRM_IOCTL_GMA_STOLEN_MEMORY \ 97 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \ 98 struct drm_psb_stolen_memory_arg) 99 #define DRM_IOCTL_GMA_GAMMA \ 100 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \ 101 struct drm_psb_dpst_lut_arg) 102 #define DRM_IOCTL_GMA_DPST_BL \ 103 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \ 104 uint32_t) 105 #define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID \ 106 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \ 107 struct drm_psb_get_pipe_from_crtc_id_arg) 108 #define DRM_IOCTL_GMA_GEM_CREATE \ 109 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \ 110 struct drm_psb_gem_create) 111 #define DRM_IOCTL_GMA_GEM_MMAP \ 112 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \ 113 struct drm_psb_gem_mmap) 114 115 static int psb_adb_ioctl(struct drm_device *dev, void *data, 116 struct drm_file *file_priv); 117 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, 118 struct drm_file *file_priv); 119 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, 120 struct drm_file *file_priv); 121 static int psb_gamma_ioctl(struct drm_device *dev, void *data, 122 struct drm_file *file_priv); 123 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, 124 struct drm_file *file_priv); 125 126 static struct drm_ioctl_desc psb_ioctls[] = { 127 DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH), 128 DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl, 129 DRM_AUTH), 130 DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl, 131 DRM_AUTH), 132 DRM_IOCTL_DEF_DRV(GMA_GAMMA, psb_gamma_ioctl, DRM_AUTH), 133 DRM_IOCTL_DEF_DRV(GMA_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH), 134 DRM_IOCTL_DEF_DRV(GMA_GET_PIPE_FROM_CRTC_ID, 135 psb_intel_get_pipe_from_crtc_id, 0), 136 DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl, 137 DRM_UNLOCKED | DRM_AUTH), 138 DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl, 139 DRM_UNLOCKED | DRM_AUTH), 140 }; 141 142 static void psb_lastclose(struct drm_device *dev) 143 { 144 return; 145 } 146 147 static void psb_do_takedown(struct drm_device *dev) 148 { 149 } 150 151 static int psb_do_init(struct drm_device *dev) 152 { 153 struct drm_psb_private *dev_priv = dev->dev_private; 154 struct psb_gtt *pg = &dev_priv->gtt; 155 156 uint32_t stolen_gtt; 157 158 int ret = -ENOMEM; 159 160 if (pg->mmu_gatt_start & 0x0FFFFFFF) { 161 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n"); 162 ret = -EINVAL; 163 goto out_err; 164 } 165 166 167 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; 168 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; 169 stolen_gtt = 170 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages; 171 172 dev_priv->gatt_free_offset = pg->mmu_gatt_start + 173 (stolen_gtt << PAGE_SHIFT) * 1024; 174 175 if (1 || drm_debug) { 176 uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID); 177 uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION); 178 DRM_INFO("SGX core id = 0x%08x\n", core_id); 179 DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n", 180 (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >> 181 _PSB_CC_REVISION_MAJOR_SHIFT, 182 (core_rev & _PSB_CC_REVISION_MINOR_MASK) >> 183 _PSB_CC_REVISION_MINOR_SHIFT); 184 DRM_INFO 185 ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n", 186 (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >> 187 _PSB_CC_REVISION_MAINTENANCE_SHIFT, 188 (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >> 189 _PSB_CC_REVISION_DESIGNER_SHIFT); 190 } 191 192 193 spin_lock_init(&dev_priv->irqmask_lock); 194 spin_lock_init(&dev_priv->lock_2d); 195 196 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); 197 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); 198 PSB_RSGX32(PSB_CR_BIF_BANK1); 199 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK, 200 PSB_CR_BIF_CTRL); 201 psb_spank(dev_priv); 202 203 /* mmu_gatt ?? */ 204 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); 205 return 0; 206 out_err: 207 psb_do_takedown(dev); 208 return ret; 209 } 210 211 static int psb_driver_unload(struct drm_device *dev) 212 { 213 struct drm_psb_private *dev_priv = dev->dev_private; 214 215 /* Kill vblank etc here */ 216 217 gma_backlight_exit(dev); 218 219 psb_modeset_cleanup(dev); 220 221 if (dev_priv) { 222 psb_lid_timer_takedown(dev_priv); 223 gma_intel_opregion_exit(dev); 224 225 if (dev_priv->ops->chip_teardown) 226 dev_priv->ops->chip_teardown(dev); 227 psb_do_takedown(dev); 228 229 230 if (dev_priv->pf_pd) { 231 psb_mmu_free_pagedir(dev_priv->pf_pd); 232 dev_priv->pf_pd = NULL; 233 } 234 if (dev_priv->mmu) { 235 struct psb_gtt *pg = &dev_priv->gtt; 236 237 down_read(&pg->sem); 238 psb_mmu_remove_pfn_sequence( 239 psb_mmu_get_default_pd 240 (dev_priv->mmu), 241 pg->mmu_gatt_start, 242 dev_priv->vram_stolen_size >> PAGE_SHIFT); 243 up_read(&pg->sem); 244 psb_mmu_driver_takedown(dev_priv->mmu); 245 dev_priv->mmu = NULL; 246 } 247 psb_gtt_takedown(dev); 248 if (dev_priv->scratch_page) { 249 __free_page(dev_priv->scratch_page); 250 dev_priv->scratch_page = NULL; 251 } 252 if (dev_priv->vdc_reg) { 253 iounmap(dev_priv->vdc_reg); 254 dev_priv->vdc_reg = NULL; 255 } 256 if (dev_priv->sgx_reg) { 257 iounmap(dev_priv->sgx_reg); 258 dev_priv->sgx_reg = NULL; 259 } 260 261 kfree(dev_priv); 262 dev->dev_private = NULL; 263 264 /*destroy VBT data*/ 265 psb_intel_destroy_bios(dev); 266 } 267 268 gma_power_uninit(dev); 269 270 return 0; 271 } 272 273 274 static int psb_driver_load(struct drm_device *dev, unsigned long chipset) 275 { 276 struct drm_psb_private *dev_priv; 277 unsigned long resource_start; 278 unsigned long irqflags; 279 int ret = -ENOMEM; 280 struct drm_connector *connector; 281 struct psb_intel_encoder *psb_intel_encoder; 282 283 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); 284 if (dev_priv == NULL) 285 return -ENOMEM; 286 287 dev_priv->ops = (struct psb_ops *)chipset; 288 dev_priv->dev = dev; 289 dev->dev_private = (void *) dev_priv; 290 291 pci_set_master(dev->pdev); 292 293 if (!IS_PSB(dev)) { 294 if (pci_enable_msi(dev->pdev)) 295 dev_warn(dev->dev, "Enabling MSI failed!\n"); 296 } 297 298 dev_priv->num_pipe = dev_priv->ops->pipes; 299 300 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE); 301 302 dev_priv->vdc_reg = 303 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE); 304 if (!dev_priv->vdc_reg) 305 goto out_err; 306 307 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset, 308 PSB_SGX_SIZE); 309 if (!dev_priv->sgx_reg) 310 goto out_err; 311 312 ret = dev_priv->ops->chip_setup(dev); 313 if (ret) 314 goto out_err; 315 316 /* Init OSPM support */ 317 gma_power_init(dev); 318 319 ret = -ENOMEM; 320 321 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO); 322 if (!dev_priv->scratch_page) 323 goto out_err; 324 325 set_pages_uc(dev_priv->scratch_page, 1); 326 327 ret = psb_gtt_init(dev, 0); 328 if (ret) 329 goto out_err; 330 331 dev_priv->mmu = psb_mmu_driver_init((void *)0, 332 drm_psb_trap_pagefaults, 0, 333 dev_priv); 334 if (!dev_priv->mmu) 335 goto out_err; 336 337 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); 338 if (!dev_priv->pf_pd) 339 goto out_err; 340 341 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); 342 psb_mmu_set_pd_context(dev_priv->pf_pd, 1); 343 344 ret = psb_do_init(dev); 345 if (ret) 346 return ret; 347 348 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE); 349 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE); 350 351 /* igd_opregion_init(&dev_priv->opregion_dev); */ 352 acpi_video_register(); 353 if (dev_priv->lid_state) 354 psb_lid_timer_init(dev_priv); 355 356 ret = drm_vblank_init(dev, dev_priv->num_pipe); 357 if (ret) 358 goto out_err; 359 360 /* 361 * Install interrupt handlers prior to powering off SGX or else we will 362 * crash. 363 */ 364 dev_priv->vdc_irq_mask = 0; 365 dev_priv->pipestat[0] = 0; 366 dev_priv->pipestat[1] = 0; 367 dev_priv->pipestat[2] = 0; 368 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); 369 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); 370 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); 371 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); 372 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); 373 if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET)) 374 drm_irq_install(dev); 375 376 dev->vblank_disable_allowed = 1; 377 378 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ 379 380 dev->driver->get_vblank_counter = psb_get_vblank_counter; 381 382 psb_modeset_init(dev); 383 psb_fbdev_init(dev); 384 drm_kms_helper_poll_init(dev); 385 386 /* Only add backlight support if we have LVDS output */ 387 list_for_each_entry(connector, &dev->mode_config.connector_list, 388 head) { 389 psb_intel_encoder = psb_intel_attached_encoder(connector); 390 391 switch (psb_intel_encoder->type) { 392 case INTEL_OUTPUT_LVDS: 393 case INTEL_OUTPUT_MIPI: 394 ret = gma_backlight_init(dev); 395 break; 396 } 397 } 398 399 if (ret) 400 return ret; 401 #if 0 402 /*enable runtime pm at last*/ 403 pm_runtime_enable(&dev->pdev->dev); 404 pm_runtime_set_active(&dev->pdev->dev); 405 #endif 406 /*Intel drm driver load is done, continue doing pvr load*/ 407 return 0; 408 out_err: 409 psb_driver_unload(dev); 410 return ret; 411 } 412 413 static int psb_driver_device_is_agp(struct drm_device *dev) 414 { 415 return 0; 416 } 417 418 static inline void get_brightness(struct backlight_device *bd) 419 { 420 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE 421 if (bd) { 422 bd->props.brightness = bd->ops->get_brightness(bd); 423 backlight_update_status(bd); 424 } 425 #endif 426 } 427 428 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, 429 struct drm_file *file_priv) 430 { 431 struct drm_psb_private *dev_priv = psb_priv(dev); 432 uint32_t *arg = data; 433 434 dev_priv->blc_adj2 = *arg; 435 get_brightness(dev_priv->backlight_device); 436 return 0; 437 } 438 439 static int psb_adb_ioctl(struct drm_device *dev, void *data, 440 struct drm_file *file_priv) 441 { 442 struct drm_psb_private *dev_priv = psb_priv(dev); 443 uint32_t *arg = data; 444 445 dev_priv->blc_adj1 = *arg; 446 get_brightness(dev_priv->backlight_device); 447 return 0; 448 } 449 450 static int psb_gamma_ioctl(struct drm_device *dev, void *data, 451 struct drm_file *file_priv) 452 { 453 struct drm_psb_dpst_lut_arg *lut_arg = data; 454 struct drm_mode_object *obj; 455 struct drm_crtc *crtc; 456 struct drm_connector *connector; 457 struct psb_intel_crtc *psb_intel_crtc; 458 int i = 0; 459 int32_t obj_id; 460 461 obj_id = lut_arg->output_id; 462 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR); 463 if (!obj) { 464 dev_dbg(dev->dev, "Invalid Connector object.\n"); 465 return -EINVAL; 466 } 467 468 connector = obj_to_connector(obj); 469 crtc = connector->encoder->crtc; 470 psb_intel_crtc = to_psb_intel_crtc(crtc); 471 472 for (i = 0; i < 256; i++) 473 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i]; 474 475 psb_intel_crtc_load_lut(crtc); 476 477 return 0; 478 } 479 480 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, 481 struct drm_file *file_priv) 482 { 483 uint32_t obj_id; 484 uint16_t op; 485 struct drm_mode_modeinfo *umode; 486 struct drm_display_mode *mode = NULL; 487 struct drm_psb_mode_operation_arg *arg; 488 struct drm_mode_object *obj; 489 struct drm_connector *connector; 490 struct drm_connector_helper_funcs *connector_funcs; 491 int ret = 0; 492 int resp = MODE_OK; 493 494 arg = (struct drm_psb_mode_operation_arg *)data; 495 obj_id = arg->obj_id; 496 op = arg->operation; 497 498 switch (op) { 499 case PSB_MODE_OPERATION_MODE_VALID: 500 umode = &arg->mode; 501 502 mutex_lock(&dev->mode_config.mutex); 503 504 obj = drm_mode_object_find(dev, obj_id, 505 DRM_MODE_OBJECT_CONNECTOR); 506 if (!obj) { 507 ret = -EINVAL; 508 goto mode_op_out; 509 } 510 511 connector = obj_to_connector(obj); 512 513 mode = drm_mode_create(dev); 514 if (!mode) { 515 ret = -ENOMEM; 516 goto mode_op_out; 517 } 518 519 /* drm_crtc_convert_umode(mode, umode); */ 520 { 521 mode->clock = umode->clock; 522 mode->hdisplay = umode->hdisplay; 523 mode->hsync_start = umode->hsync_start; 524 mode->hsync_end = umode->hsync_end; 525 mode->htotal = umode->htotal; 526 mode->hskew = umode->hskew; 527 mode->vdisplay = umode->vdisplay; 528 mode->vsync_start = umode->vsync_start; 529 mode->vsync_end = umode->vsync_end; 530 mode->vtotal = umode->vtotal; 531 mode->vscan = umode->vscan; 532 mode->vrefresh = umode->vrefresh; 533 mode->flags = umode->flags; 534 mode->type = umode->type; 535 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN); 536 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0; 537 } 538 539 connector_funcs = (struct drm_connector_helper_funcs *) 540 connector->helper_private; 541 542 if (connector_funcs->mode_valid) { 543 resp = connector_funcs->mode_valid(connector, mode); 544 arg->data = resp; 545 } 546 547 /*do some clean up work*/ 548 if (mode) 549 drm_mode_destroy(dev, mode); 550 mode_op_out: 551 mutex_unlock(&dev->mode_config.mutex); 552 return ret; 553 554 default: 555 dev_dbg(dev->dev, "Unsupported psb mode operation\n"); 556 return -EOPNOTSUPP; 557 } 558 559 return 0; 560 } 561 562 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, 563 struct drm_file *file_priv) 564 { 565 struct drm_psb_private *dev_priv = psb_priv(dev); 566 struct drm_psb_stolen_memory_arg *arg = data; 567 568 arg->base = dev_priv->stolen_base; 569 arg->size = dev_priv->vram_stolen_size; 570 571 return 0; 572 } 573 574 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv) 575 { 576 return 0; 577 } 578 579 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv) 580 { 581 } 582 583 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd, 584 unsigned long arg) 585 { 586 struct drm_file *file_priv = filp->private_data; 587 struct drm_device *dev = file_priv->minor->dev; 588 struct drm_psb_private *dev_priv = dev->dev_private; 589 static unsigned int runtime_allowed; 590 591 if (runtime_allowed == 1 && dev_priv->is_lvds_on) { 592 runtime_allowed++; 593 pm_runtime_allow(&dev->pdev->dev); 594 dev_priv->rpm_enabled = 1; 595 } 596 return drm_ioctl(filp, cmd, arg); 597 /* FIXME: do we need to wrap the other side of this */ 598 } 599 600 601 /* When a client dies: 602 * - Check for and clean up flipped page state 603 */ 604 static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv) 605 { 606 } 607 608 static void psb_remove(struct pci_dev *pdev) 609 { 610 struct drm_device *dev = pci_get_drvdata(pdev); 611 drm_put_dev(dev); 612 } 613 614 static const struct dev_pm_ops psb_pm_ops = { 615 .resume = gma_power_resume, 616 .suspend = gma_power_suspend, 617 .runtime_suspend = psb_runtime_suspend, 618 .runtime_resume = psb_runtime_resume, 619 .runtime_idle = psb_runtime_idle, 620 }; 621 622 static struct vm_operations_struct psb_gem_vm_ops = { 623 .fault = psb_gem_fault, 624 .open = drm_gem_vm_open, 625 .close = drm_gem_vm_close, 626 }; 627 628 static const struct file_operations psb_gem_fops = { 629 .owner = THIS_MODULE, 630 .open = drm_open, 631 .release = drm_release, 632 .unlocked_ioctl = psb_unlocked_ioctl, 633 .mmap = drm_gem_mmap, 634 .poll = drm_poll, 635 .fasync = drm_fasync, 636 .read = drm_read, 637 }; 638 639 static struct drm_driver driver = { 640 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \ 641 DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM , 642 .load = psb_driver_load, 643 .unload = psb_driver_unload, 644 645 .ioctls = psb_ioctls, 646 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls), 647 .device_is_agp = psb_driver_device_is_agp, 648 .irq_preinstall = psb_irq_preinstall, 649 .irq_postinstall = psb_irq_postinstall, 650 .irq_uninstall = psb_irq_uninstall, 651 .irq_handler = psb_irq_handler, 652 .enable_vblank = psb_enable_vblank, 653 .disable_vblank = psb_disable_vblank, 654 .get_vblank_counter = psb_get_vblank_counter, 655 .lastclose = psb_lastclose, 656 .open = psb_driver_open, 657 .preclose = psb_driver_preclose, 658 .postclose = psb_driver_close, 659 .reclaim_buffers = drm_core_reclaim_buffers, 660 661 .gem_init_object = psb_gem_init_object, 662 .gem_free_object = psb_gem_free_object, 663 .gem_vm_ops = &psb_gem_vm_ops, 664 .dumb_create = psb_gem_dumb_create, 665 .dumb_map_offset = psb_gem_dumb_map_gtt, 666 .dumb_destroy = psb_gem_dumb_destroy, 667 .fops = &psb_gem_fops, 668 .name = DRIVER_NAME, 669 .desc = DRIVER_DESC, 670 .date = PSB_DRM_DRIVER_DATE, 671 .major = PSB_DRM_DRIVER_MAJOR, 672 .minor = PSB_DRM_DRIVER_MINOR, 673 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL 674 }; 675 676 static struct pci_driver psb_pci_driver = { 677 .name = DRIVER_NAME, 678 .id_table = pciidlist, 679 .probe = psb_probe, 680 .remove = psb_remove, 681 .driver = { 682 .pm = &psb_pm_ops, 683 } 684 }; 685 686 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 687 { 688 return drm_get_pci_dev(pdev, ent, &driver); 689 } 690 691 static int __init psb_init(void) 692 { 693 return drm_pci_init(&driver, &psb_pci_driver); 694 } 695 696 static void __exit psb_exit(void) 697 { 698 drm_pci_exit(&driver, &psb_pci_driver); 699 } 700 701 late_initcall(psb_init); 702 module_exit(psb_exit); 703 704 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others"); 705 MODULE_DESCRIPTION(DRIVER_DESC); 706 MODULE_LICENSE("GPL"); 707