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_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 /*      igd_opregion_init(&dev_priv->opregion_dev); */
 331 /*      acpi_video_register(); */
 332
 333         ret = drm_vblank_init(dev, dev_priv->num_pipe);
 334         if (ret)
 335                 goto out_err;
 336
 337         /*
 338          * Install interrupt handlers prior to powering off SGX or else we will
 339          * crash.
 340          */
 341         dev_priv->vdc_irq_mask = 0;
 342         dev_priv->pipestat[0] = 0;
 343         dev_priv->pipestat[1] = 0;
 344         dev_priv->pipestat[2] = 0;
 345         spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
 346         PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
 347         PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
 348         PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 349         spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 350
 351         drm_irq_install(dev);
 352
 353         dev->vblank_disable_allowed = 1;
 354
 355         dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 356
 357         dev->driver->get_vblank_counter = psb_get_vblank_counter;
 358
 359         psb_modeset_init(dev);
 360         psb_fbdev_init(dev);
 361         drm_kms_helper_poll_init(dev);
 362
 363         /* Only add backlight support if we have LVDS output */
 364         list_for_each_entry(connector, &dev->mode_config.connector_list,
 365                             head) {
 366                 psb_intel_encoder = psb_intel_attached_encoder(connector);
 367
 368                 switch (psb_intel_encoder->type) {
 369                 case INTEL_OUTPUT_LVDS:
 370                 case INTEL_OUTPUT_MIPI:
 371                         ret = gma_backlight_init(dev);
 372                         break;
 373                 }
 374         }
 375
 376         if (ret)
 377                 return ret;
 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         .reclaim_buffers = drm_core_reclaim_buffers,
 637
 638         .gem_init_object = psb_gem_init_object,
 639         .gem_free_object = psb_gem_free_object,
 640         .gem_vm_ops = &psb_gem_vm_ops,
 641         .dumb_create = psb_gem_dumb_create,
 642         .dumb_map_offset = psb_gem_dumb_map_gtt,
 643         .dumb_destroy = psb_gem_dumb_destroy,
 644         .fops = &psb_gem_fops,
 645         .name = DRIVER_NAME,
 646         .desc = DRIVER_DESC,
 647         .date = PSB_DRM_DRIVER_DATE,
 648         .major = PSB_DRM_DRIVER_MAJOR,
 649         .minor = PSB_DRM_DRIVER_MINOR,
 650         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
 651 };
 652
 653 static struct pci_driver psb_pci_driver = {
 654         .name = DRIVER_NAME,
 655         .id_table = pciidlist,
 656         .probe = psb_probe,
 657         .remove = psb_remove,
 658         .driver = {
 659                 .pm = &psb_pm_ops,
 660         }
 661 };
 662
 663 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 664 {
 665         return drm_get_pci_dev(pdev, ent, &driver);
 666 }
 667
 668 static int __init psb_init(void)
 669 {
 670         return drm_pci_init(&driver, &psb_pci_driver);
 671 }
 672
 673 static void __exit psb_exit(void)
 674 {
 675         drm_pci_exit(&driver, &psb_pci_driver);
 676 }
 677
 678 late_initcall(psb_init);
 679 module_exit(psb_exit);
 680
 681 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
 682 MODULE_DESCRIPTION(DRIVER_DESC);
 683 MODULE_LICENSE("GPL");