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 int drm_psb_no_fb;
  43
  44 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  45
  46 MODULE_PARM_DESC(no_fb, "Disable FBdev");
  47 MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
  48 module_param_named(no_fb, drm_psb_no_fb, int, 0600);
  49 module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
  50
  51
  52 static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
  53         { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
  54         { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
  55 #if defined(CONFIG_DRM_GMA600)
  56         { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  57         { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  58         { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  59         { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  60         { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  61         { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  62         { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  63         { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  64 #endif
  65 #if defined(CONFIG_DRM_CDV)
  66         { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  67         { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  68         { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  69         { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  70         { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  71         { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  72         { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  73         { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  74 #endif
  75         { 0, 0, 0}
  76 };
  77 MODULE_DEVICE_TABLE(pci, pciidlist);
  78
  79 /*
  80  * Standard IOCTLs.
  81  */
  82
  83 #define DRM_IOCTL_PSB_ADB       \
  84                 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t)
  85 #define DRM_IOCTL_PSB_MODE_OPERATION    \
  86                 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \
  87                          struct drm_psb_mode_operation_arg)
  88 #define DRM_IOCTL_PSB_STOLEN_MEMORY     \
  89                 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \
  90                          struct drm_psb_stolen_memory_arg)
  91 #define DRM_IOCTL_PSB_GAMMA     \
  92                 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \
  93                          struct drm_psb_dpst_lut_arg)
  94 #define DRM_IOCTL_PSB_DPST_BL   \
  95                 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \
  96                          uint32_t)
  97 #define DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID     \
  98                 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
  99                          struct drm_psb_get_pipe_from_crtc_id_arg)
 100 #define DRM_IOCTL_PSB_GEM_CREATE        \
 101                 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \
 102                          struct drm_psb_gem_create)
 103 #define DRM_IOCTL_PSB_GEM_MMAP  \
 104                 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \
 105                          struct drm_psb_gem_mmap)
 106
 107 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 108                          struct drm_file *file_priv);
 109 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 110                                     struct drm_file *file_priv);
 111 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 112                                    struct drm_file *file_priv);
 113 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 114                            struct drm_file *file_priv);
 115 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
 116                              struct drm_file *file_priv);
 117
 118 #define PSB_IOCTL_DEF(ioctl, func, flags) \
 119         [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
 120
 121 static struct drm_ioctl_desc psb_ioctls[] = {
 122         PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH),
 123         PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl,
 124                       DRM_AUTH),
 125         PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl,
 126                       DRM_AUTH),
 127         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
 128         PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
 129         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID,
 130                                         psb_intel_get_pipe_from_crtc_id, 0),
 131         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl,
 132                                                 DRM_UNLOCKED | DRM_AUTH),
 133         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl,
 134                                                 DRM_UNLOCKED | DRM_AUTH),
 135 };
 136
 137 static void psb_lastclose(struct drm_device *dev)
 138 {
 139         return;
 140 }
 141
 142 static void psb_do_takedown(struct drm_device *dev)
 143 {
 144 }
 145
 146 static int psb_do_init(struct drm_device *dev)
 147 {
 148         struct drm_psb_private *dev_priv = dev->dev_private;
 149         struct psb_gtt *pg = &dev_priv->gtt;
 150
 151         uint32_t stolen_gtt;
 152
 153         int ret = -ENOMEM;
 154
 155         if (pg->mmu_gatt_start & 0x0FFFFFFF) {
 156                 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
 157                 ret = -EINVAL;
 158                 goto out_err;
 159         }
 160
 161
 162         stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
 163         stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
 164         stolen_gtt =
 165             (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
 166
 167         dev_priv->gatt_free_offset = pg->mmu_gatt_start +
 168             (stolen_gtt << PAGE_SHIFT) * 1024;
 169
 170         if (1 || drm_debug) {
 171                 uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
 172                 uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
 173                 DRM_INFO("SGX core id = 0x%08x\n", core_id);
 174                 DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
 175                          (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
 176                          _PSB_CC_REVISION_MAJOR_SHIFT,
 177                          (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
 178                          _PSB_CC_REVISION_MINOR_SHIFT);
 179                 DRM_INFO
 180                     ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
 181                      (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
 182                      _PSB_CC_REVISION_MAINTENANCE_SHIFT,
 183                      (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
 184                      _PSB_CC_REVISION_DESIGNER_SHIFT);
 185         }
 186
 187
 188         spin_lock_init(&dev_priv->irqmask_lock);
 189         spin_lock_init(&dev_priv->lock_2d);
 190
 191         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
 192         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
 193         PSB_RSGX32(PSB_CR_BIF_BANK1);
 194         PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
 195                                                         PSB_CR_BIF_CTRL);
 196         psb_spank(dev_priv);
 197
 198         /* mmu_gatt ?? */
 199         PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
 200         return 0;
 201 out_err:
 202         psb_do_takedown(dev);
 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         gma_backlight_exit(dev);
 213
 214         if (drm_psb_no_fb == 0)
 215                 psb_modeset_cleanup(dev);
 216
 217         if (dev_priv) {
 218                 psb_lid_timer_takedown(dev_priv);
 219                 gma_intel_opregion_exit(dev);
 220
 221                 if (dev_priv->ops->chip_teardown)
 222                         dev_priv->ops->chip_teardown(dev);
 223                 psb_do_takedown(dev);
 224
 225
 226                 if (dev_priv->pf_pd) {
 227                         psb_mmu_free_pagedir(dev_priv->pf_pd);
 228                         dev_priv->pf_pd = NULL;
 229                 }
 230                 if (dev_priv->mmu) {
 231                         struct psb_gtt *pg = &dev_priv->gtt;
 232
 233                         down_read(&pg->sem);
 234                         psb_mmu_remove_pfn_sequence(
 235                                 psb_mmu_get_default_pd
 236                                 (dev_priv->mmu),
 237                                 pg->mmu_gatt_start,
 238                                 dev_priv->vram_stolen_size >> PAGE_SHIFT);
 239                         up_read(&pg->sem);
 240                         psb_mmu_driver_takedown(dev_priv->mmu);
 241                         dev_priv->mmu = NULL;
 242                 }
 243                 psb_gtt_takedown(dev);
 244                 if (dev_priv->scratch_page) {
 245                         __free_page(dev_priv->scratch_page);
 246                         dev_priv->scratch_page = NULL;
 247                 }
 248                 if (dev_priv->vdc_reg) {
 249                         iounmap(dev_priv->vdc_reg);
 250                         dev_priv->vdc_reg = NULL;
 251                 }
 252                 if (dev_priv->sgx_reg) {
 253                         iounmap(dev_priv->sgx_reg);
 254                         dev_priv->sgx_reg = NULL;
 255                 }
 256
 257                 kfree(dev_priv);
 258                 dev->dev_private = NULL;
 259
 260                 /*destroy VBT data*/
 261                 psb_intel_destroy_bios(dev);
 262         }
 263
 264         gma_power_uninit(dev);
 265
 266         return 0;
 267 }
 268
 269
 270 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 271 {
 272         struct drm_psb_private *dev_priv;
 273         unsigned long resource_start;
 274         struct psb_gtt *pg;
 275         unsigned long irqflags;
 276         int ret = -ENOMEM;
 277         uint32_t tt_pages;
 278         struct drm_connector *connector;
 279         struct psb_intel_encoder *psb_intel_encoder;
 280
 281         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 282         if (dev_priv == NULL)
 283                 return -ENOMEM;
 284
 285         dev_priv->ops = (struct psb_ops *)chipset;
 286         dev_priv->dev = dev;
 287         dev->dev_private = (void *) dev_priv;
 288
 289         if (!IS_PSB(dev)) {
 290                 if (pci_enable_msi(dev->pdev))
 291                         dev_warn(dev->dev, "Enabling MSI failed!\n");
 292         }
 293
 294         dev_priv->num_pipe = dev_priv->ops->pipes;
 295
 296         resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
 297
 298         dev_priv->vdc_reg =
 299             ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
 300         if (!dev_priv->vdc_reg)
 301                 goto out_err;
 302
 303         dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
 304                                                         PSB_SGX_SIZE);
 305         if (!dev_priv->sgx_reg)
 306                 goto out_err;
 307
 308         ret = dev_priv->ops->chip_setup(dev);
 309         if (ret)
 310                 goto out_err;
 311
 312         /* Init OSPM support */
 313         gma_power_init(dev);
 314
 315         ret = -ENOMEM;
 316
 317         dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
 318         if (!dev_priv->scratch_page)
 319                 goto out_err;
 320
 321         set_pages_uc(dev_priv->scratch_page, 1);
 322
 323         ret = psb_gtt_init(dev, 0);
 324         if (ret)
 325                 goto out_err;
 326
 327         dev_priv->mmu = psb_mmu_driver_init((void *)0,
 328                                         drm_psb_trap_pagefaults, 0,
 329                                         dev_priv);
 330         if (!dev_priv->mmu)
 331                 goto out_err;
 332
 333         pg = &dev_priv->gtt;
 334
 335         tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
 336                 (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
 337
 338
 339         dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
 340         if (!dev_priv->pf_pd)
 341                 goto out_err;
 342
 343         psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
 344         psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
 345
 346         ret = psb_do_init(dev);
 347         if (ret)
 348                 return ret;
 349
 350         PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
 351         PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
 352
 353 /*      igd_opregion_init(&dev_priv->opregion_dev); */
 354         acpi_video_register();
 355         if (dev_priv->lid_state)
 356                 psb_lid_timer_init(dev_priv);
 357
 358         ret = drm_vblank_init(dev, dev_priv->num_pipe);
 359         if (ret)
 360                 goto out_err;
 361
 362         /*
 363          * Install interrupt handlers prior to powering off SGX or else we will
 364          * crash.
 365          */
 366         dev_priv->vdc_irq_mask = 0;
 367         dev_priv->pipestat[0] = 0;
 368         dev_priv->pipestat[1] = 0;
 369         dev_priv->pipestat[2] = 0;
 370         spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
 371         PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
 372         PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
 373         PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 374         spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 375         if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
 376                 drm_irq_install(dev);
 377
 378         dev->vblank_disable_allowed = 1;
 379
 380         dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 381
 382         dev->driver->get_vblank_counter = psb_get_vblank_counter;
 383
 384         if (drm_psb_no_fb == 0) {
 385                 psb_modeset_init(dev);
 386                 psb_fbdev_init(dev);
 387                 drm_kms_helper_poll_init(dev);
 388         }
 389
 390         /* Only add backlight support if we have LVDS output */
 391         list_for_each_entry(connector, &dev->mode_config.connector_list,
 392                             head) {
 393                 psb_intel_encoder = psb_intel_attached_encoder(connector);
 394
 395                 switch (psb_intel_encoder->type) {
 396                 case INTEL_OUTPUT_LVDS:
 397                 case INTEL_OUTPUT_MIPI:
 398                         ret = gma_backlight_init(dev);
 399                         break;
 400                 }
 401         }
 402
 403         if (ret)
 404                 return ret;
 405 #if 0
 406         /*enable runtime pm at last*/
 407         pm_runtime_enable(&dev->pdev->dev);
 408         pm_runtime_set_active(&dev->pdev->dev);
 409 #endif
 410         /*Intel drm driver load is done, continue doing pvr load*/
 411         return 0;
 412 out_err:
 413         psb_driver_unload(dev);
 414         return ret;
 415 }
 416
 417 int psb_driver_device_is_agp(struct drm_device *dev)
 418 {
 419         return 0;
 420 }
 421
 422 static inline void get_brightness(struct backlight_device *bd)
 423 {
 424 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 425         if (bd) {
 426                 bd->props.brightness = bd->ops->get_brightness(bd);
 427                 backlight_update_status(bd);
 428         }
 429 #endif
 430 }
 431
 432 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
 433                        struct drm_file *file_priv)
 434 {
 435         struct drm_psb_private *dev_priv = psb_priv(dev);
 436         uint32_t *arg = data;
 437
 438         dev_priv->blc_adj2 = *arg;
 439         get_brightness(dev_priv->backlight_device);
 440         return 0;
 441 }
 442
 443 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 444                         struct drm_file *file_priv)
 445 {
 446         struct drm_psb_private *dev_priv = psb_priv(dev);
 447         uint32_t *arg = data;
 448
 449         dev_priv->blc_adj1 = *arg;
 450         get_brightness(dev_priv->backlight_device);
 451         return 0;
 452 }
 453
 454 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 455                            struct drm_file *file_priv)
 456 {
 457         struct drm_psb_dpst_lut_arg *lut_arg = data;
 458         struct drm_mode_object *obj;
 459         struct drm_crtc *crtc;
 460         struct drm_connector *connector;
 461         struct psb_intel_crtc *psb_intel_crtc;
 462         int i = 0;
 463         int32_t obj_id;
 464
 465         obj_id = lut_arg->output_id;
 466         obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
 467         if (!obj) {
 468                 dev_dbg(dev->dev, "Invalid Connector object.\n");
 469                 return -EINVAL;
 470         }
 471
 472         connector = obj_to_connector(obj);
 473         crtc = connector->encoder->crtc;
 474         psb_intel_crtc = to_psb_intel_crtc(crtc);
 475
 476         for (i = 0; i < 256; i++)
 477                 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
 478
 479         psb_intel_crtc_load_lut(crtc);
 480
 481         return 0;
 482 }
 483
 484 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 485                                 struct drm_file *file_priv)
 486 {
 487         uint32_t obj_id;
 488         uint16_t op;
 489         struct drm_mode_modeinfo *umode;
 490         struct drm_display_mode *mode = NULL;
 491         struct drm_psb_mode_operation_arg *arg;
 492         struct drm_mode_object *obj;
 493         struct drm_connector *connector;
 494         struct drm_connector_helper_funcs *connector_funcs;
 495         int ret = 0;
 496         int resp = MODE_OK;
 497
 498         arg = (struct drm_psb_mode_operation_arg *)data;
 499         obj_id = arg->obj_id;
 500         op = arg->operation;
 501
 502         switch (op) {
 503         case PSB_MODE_OPERATION_MODE_VALID:
 504                 umode = &arg->mode;
 505
 506                 mutex_lock(&dev->mode_config.mutex);
 507
 508                 obj = drm_mode_object_find(dev, obj_id,
 509                                         DRM_MODE_OBJECT_CONNECTOR);
 510                 if (!obj) {
 511                         ret = -EINVAL;
 512                         goto mode_op_out;
 513                 }
 514
 515                 connector = obj_to_connector(obj);
 516
 517                 mode = drm_mode_create(dev);
 518                 if (!mode) {
 519                         ret = -ENOMEM;
 520                         goto mode_op_out;
 521                 }
 522
 523                 /* drm_crtc_convert_umode(mode, umode); */
 524                 {
 525                         mode->clock = umode->clock;
 526                         mode->hdisplay = umode->hdisplay;
 527                         mode->hsync_start = umode->hsync_start;
 528                         mode->hsync_end = umode->hsync_end;
 529                         mode->htotal = umode->htotal;
 530                         mode->hskew = umode->hskew;
 531                         mode->vdisplay = umode->vdisplay;
 532                         mode->vsync_start = umode->vsync_start;
 533                         mode->vsync_end = umode->vsync_end;
 534                         mode->vtotal = umode->vtotal;
 535                         mode->vscan = umode->vscan;
 536                         mode->vrefresh = umode->vrefresh;
 537                         mode->flags = umode->flags;
 538                         mode->type = umode->type;
 539                         strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
 540                         mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 541                 }
 542
 543                 connector_funcs = (struct drm_connector_helper_funcs *)
 544                                    connector->helper_private;
 545
 546                 if (connector_funcs->mode_valid) {
 547                         resp = connector_funcs->mode_valid(connector, mode);
 548                         arg->data = resp;
 549                 }
 550
 551                 /*do some clean up work*/
 552                 if (mode)
 553                         drm_mode_destroy(dev, mode);
 554 mode_op_out:
 555                 mutex_unlock(&dev->mode_config.mutex);
 556                 return ret;
 557
 558         default:
 559                 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
 560                 return -EOPNOTSUPP;
 561         }
 562
 563         return 0;
 564 }
 565
 566 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 567                                    struct drm_file *file_priv)
 568 {
 569         struct drm_psb_private *dev_priv = psb_priv(dev);
 570         struct drm_psb_stolen_memory_arg *arg = data;
 571
 572         arg->base = dev_priv->stolen_base;
 573         arg->size = dev_priv->vram_stolen_size;
 574
 575         return 0;
 576 }
 577
 578 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
 579 {
 580         return 0;
 581 }
 582
 583 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
 584 {
 585 }
 586
 587 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
 588                                unsigned long arg)
 589 {
 590         struct drm_file *file_priv = filp->private_data;
 591         struct drm_device *dev = file_priv->minor->dev;
 592         struct drm_psb_private *dev_priv = dev->dev_private;
 593         static unsigned int runtime_allowed;
 594
 595         if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
 596                 runtime_allowed++;
 597                 pm_runtime_allow(&dev->pdev->dev);
 598                 dev_priv->rpm_enabled = 1;
 599         }
 600         return drm_ioctl(filp, cmd, arg);
 601         /* FIXME: do we need to wrap the other side of this */
 602 }
 603
 604
 605 /* When a client dies:
 606  *    - Check for and clean up flipped page state
 607  */
 608 void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
 609 {
 610 }
 611
 612 static void psb_remove(struct pci_dev *pdev)
 613 {
 614         struct drm_device *dev = pci_get_drvdata(pdev);
 615         drm_put_dev(dev);
 616 }
 617
 618 static const struct dev_pm_ops psb_pm_ops = {
 619         .resume = gma_power_resume,
 620         .suspend = gma_power_suspend,
 621         .runtime_suspend = psb_runtime_suspend,
 622         .runtime_resume = psb_runtime_resume,
 623         .runtime_idle = psb_runtime_idle,
 624 };
 625
 626 static struct vm_operations_struct psb_gem_vm_ops = {
 627         .fault = psb_gem_fault,
 628         .open = drm_gem_vm_open,
 629         .close = drm_gem_vm_close,
 630 };
 631
 632 static const struct file_operations psb_gem_fops = {
 633         .owner = THIS_MODULE,
 634         .open = drm_open,
 635         .release = drm_release,
 636         .unlocked_ioctl = psb_unlocked_ioctl,
 637         .mmap = drm_gem_mmap,
 638         .poll = drm_poll,
 639         .fasync = drm_fasync,
 640         .read = drm_read,
 641 };
 642
 643 static struct drm_driver driver = {
 644         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
 645                            DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
 646         .load = psb_driver_load,
 647         .unload = psb_driver_unload,
 648
 649         .ioctls = psb_ioctls,
 650         .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
 651         .device_is_agp = psb_driver_device_is_agp,
 652         .irq_preinstall = psb_irq_preinstall,
 653         .irq_postinstall = psb_irq_postinstall,
 654         .irq_uninstall = psb_irq_uninstall,
 655         .irq_handler = psb_irq_handler,
 656         .enable_vblank = psb_enable_vblank,
 657         .disable_vblank = psb_disable_vblank,
 658         .get_vblank_counter = psb_get_vblank_counter,
 659         .lastclose = psb_lastclose,
 660         .open = psb_driver_open,
 661         .preclose = psb_driver_preclose,
 662         .postclose = psb_driver_close,
 663         .reclaim_buffers = drm_core_reclaim_buffers,
 664
 665         .gem_init_object = psb_gem_init_object,
 666         .gem_free_object = psb_gem_free_object,
 667         .gem_vm_ops = &psb_gem_vm_ops,
 668         .dumb_create = psb_gem_dumb_create,
 669         .dumb_map_offset = psb_gem_dumb_map_gtt,
 670         .dumb_destroy = psb_gem_dumb_destroy,
 671         .fops = &psb_gem_fops,
 672         .name = DRIVER_NAME,
 673         .desc = DRIVER_DESC,
 674         .date = PSB_DRM_DRIVER_DATE,
 675         .major = PSB_DRM_DRIVER_MAJOR,
 676         .minor = PSB_DRM_DRIVER_MINOR,
 677         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
 678 };
 679
 680 static struct pci_driver psb_pci_driver = {
 681         .name = DRIVER_NAME,
 682         .id_table = pciidlist,
 683         .probe = psb_probe,
 684         .remove = psb_remove,
 685         .driver.pm = &psb_pm_ops,
 686 };
 687
 688 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 689 {
 690         return drm_get_pci_dev(pdev, ent, &driver);
 691 }
 692
 693 static int __init psb_init(void)
 694 {
 695         return drm_pci_init(&driver, &psb_pci_driver);
 696 }
 697
 698 static void __exit psb_exit(void)
 699 {
 700         drm_pci_exit(&driver, &psb_pci_driver);
 701 }
 702
 703 late_initcall(psb_init);
 704 module_exit(psb_exit);
 705
 706 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
 707 MODULE_DESCRIPTION(DRIVER_DESC);
 708 MODULE_LICENSE("GPL");