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