drivers/gpu/drm/gma500/psb_drv.c

   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");