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