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, 0, 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         if (1 || drm_debug) {
 176                 uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
 177                 uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
 178                 DRM_INFO("SGX core id = 0x%08x\n", core_id);
 179                 DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
 180                          (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
 181                          _PSB_CC_REVISION_MAJOR_SHIFT,
 182                          (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
 183                          _PSB_CC_REVISION_MINOR_SHIFT);
 184                 DRM_INFO
 185                     ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
 186                      (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
 187                      _PSB_CC_REVISION_MAINTENANCE_SHIFT,
 188                      (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
 189                      _PSB_CC_REVISION_DESIGNER_SHIFT);
 190         }
 191
 192
 193         spin_lock_init(&dev_priv->irqmask_lock);
 194         spin_lock_init(&dev_priv->lock_2d);
 195
 196         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
 197         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
 198         PSB_RSGX32(PSB_CR_BIF_BANK1);
 199         PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
 200                                                         PSB_CR_BIF_CTRL);
 201         psb_spank(dev_priv);
 202
 203         /* mmu_gatt ?? */
 204         PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
 205         return 0;
 206 out_err:
 207         psb_do_takedown(dev);
 208         return ret;
 209 }
 210
 211 static int psb_driver_unload(struct drm_device *dev)
 212 {
 213         struct drm_psb_private *dev_priv = dev->dev_private;
 214
 215         /* Kill vblank etc here */
 216
 217         gma_backlight_exit(dev);
 218
 219         psb_modeset_cleanup(dev);
 220
 221         if (dev_priv) {
 222                 psb_lid_timer_takedown(dev_priv);
 223                 gma_intel_opregion_exit(dev);
 224
 225                 if (dev_priv->ops->chip_teardown)
 226                         dev_priv->ops->chip_teardown(dev);
 227                 psb_do_takedown(dev);
 228
 229
 230                 if (dev_priv->pf_pd) {
 231                         psb_mmu_free_pagedir(dev_priv->pf_pd);
 232                         dev_priv->pf_pd = NULL;
 233                 }
 234                 if (dev_priv->mmu) {
 235                         struct psb_gtt *pg = &dev_priv->gtt;
 236
 237                         down_read(&pg->sem);
 238                         psb_mmu_remove_pfn_sequence(
 239                                 psb_mmu_get_default_pd
 240                                 (dev_priv->mmu),
 241                                 pg->mmu_gatt_start,
 242                                 dev_priv->vram_stolen_size >> PAGE_SHIFT);
 243                         up_read(&pg->sem);
 244                         psb_mmu_driver_takedown(dev_priv->mmu);
 245                         dev_priv->mmu = NULL;
 246                 }
 247                 psb_gtt_takedown(dev);
 248                 if (dev_priv->scratch_page) {
 249                         __free_page(dev_priv->scratch_page);
 250                         dev_priv->scratch_page = NULL;
 251                 }
 252                 if (dev_priv->vdc_reg) {
 253                         iounmap(dev_priv->vdc_reg);
 254                         dev_priv->vdc_reg = NULL;
 255                 }
 256                 if (dev_priv->sgx_reg) {
 257                         iounmap(dev_priv->sgx_reg);
 258                         dev_priv->sgx_reg = NULL;
 259                 }
 260
 261                 kfree(dev_priv);
 262                 dev->dev_private = NULL;
 263
 264                 /*destroy VBT data*/
 265                 psb_intel_destroy_bios(dev);
 266         }
 267
 268         gma_power_uninit(dev);
 269
 270         return 0;
 271 }
 272
 273
 274 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 275 {
 276         struct drm_psb_private *dev_priv;
 277         unsigned long resource_start;
 278         struct psb_gtt *pg;
 279         unsigned long irqflags;
 280         int ret = -ENOMEM;
 281         uint32_t tt_pages;
 282         struct drm_connector *connector;
 283         struct psb_intel_encoder *psb_intel_encoder;
 284
 285         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 286         if (dev_priv == NULL)
 287                 return -ENOMEM;
 288
 289         dev_priv->ops = (struct psb_ops *)chipset;
 290         dev_priv->dev = dev;
 291         dev->dev_private = (void *) dev_priv;
 292
 293         pci_set_master(dev->pdev);
 294
 295         if (!IS_PSB(dev)) {
 296                 if (pci_enable_msi(dev->pdev))
 297                         dev_warn(dev->dev, "Enabling MSI failed!\n");
 298         }
 299
 300         dev_priv->num_pipe = dev_priv->ops->pipes;
 301
 302         resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
 303
 304         dev_priv->vdc_reg =
 305             ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
 306         if (!dev_priv->vdc_reg)
 307                 goto out_err;
 308
 309         dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
 310                                                         PSB_SGX_SIZE);
 311         if (!dev_priv->sgx_reg)
 312                 goto out_err;
 313
 314         ret = dev_priv->ops->chip_setup(dev);
 315         if (ret)
 316                 goto out_err;
 317
 318         /* Init OSPM support */
 319         gma_power_init(dev);
 320
 321         ret = -ENOMEM;
 322
 323         dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
 324         if (!dev_priv->scratch_page)
 325                 goto out_err;
 326
 327         set_pages_uc(dev_priv->scratch_page, 1);
 328
 329         ret = psb_gtt_init(dev, 0);
 330         if (ret)
 331                 goto out_err;
 332
 333         dev_priv->mmu = psb_mmu_driver_init((void *)0,
 334                                         drm_psb_trap_pagefaults, 0,
 335                                         dev_priv);
 336         if (!dev_priv->mmu)
 337                 goto out_err;
 338
 339         pg = &dev_priv->gtt;
 340
 341         tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
 342                 (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
 343
 344
 345         dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
 346         if (!dev_priv->pf_pd)
 347                 goto out_err;
 348
 349         psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
 350         psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
 351
 352         ret = psb_do_init(dev);
 353         if (ret)
 354                 return ret;
 355
 356         PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
 357         PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
 358
 359 /*      igd_opregion_init(&dev_priv->opregion_dev); */
 360         acpi_video_register();
 361         if (dev_priv->lid_state)
 362                 psb_lid_timer_init(dev_priv);
 363
 364         ret = drm_vblank_init(dev, dev_priv->num_pipe);
 365         if (ret)
 366                 goto out_err;
 367
 368         /*
 369          * Install interrupt handlers prior to powering off SGX or else we will
 370          * crash.
 371          */
 372         dev_priv->vdc_irq_mask = 0;
 373         dev_priv->pipestat[0] = 0;
 374         dev_priv->pipestat[1] = 0;
 375         dev_priv->pipestat[2] = 0;
 376         spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
 377         PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
 378         PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
 379         PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 380         spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 381         if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
 382                 drm_irq_install(dev);
 383
 384         dev->vblank_disable_allowed = 1;
 385
 386         dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 387
 388         dev->driver->get_vblank_counter = psb_get_vblank_counter;
 389
 390         psb_modeset_init(dev);
 391         psb_fbdev_init(dev);
 392         drm_kms_helper_poll_init(dev);
 393
 394         /* Only add backlight support if we have LVDS output */
 395         list_for_each_entry(connector, &dev->mode_config.connector_list,
 396                             head) {
 397                 psb_intel_encoder = psb_intel_attached_encoder(connector);
 398
 399                 switch (psb_intel_encoder->type) {
 400                 case INTEL_OUTPUT_LVDS:
 401                 case INTEL_OUTPUT_MIPI:
 402                         ret = gma_backlight_init(dev);
 403                         break;
 404                 }
 405         }
 406
 407         if (ret)
 408                 return ret;
 409 #if 0
 410         /*enable runtime pm at last*/
 411         pm_runtime_enable(&dev->pdev->dev);
 412         pm_runtime_set_active(&dev->pdev->dev);
 413 #endif
 414         /*Intel drm driver load is done, continue doing pvr load*/
 415         return 0;
 416 out_err:
 417         psb_driver_unload(dev);
 418         return ret;
 419 }
 420
 421 int psb_driver_device_is_agp(struct drm_device *dev)
 422 {
 423         return 0;
 424 }
 425
 426 static inline void get_brightness(struct backlight_device *bd)
 427 {
 428 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 429         if (bd) {
 430                 bd->props.brightness = bd->ops->get_brightness(bd);
 431                 backlight_update_status(bd);
 432         }
 433 #endif
 434 }
 435
 436 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
 437                        struct drm_file *file_priv)
 438 {
 439         struct drm_psb_private *dev_priv = psb_priv(dev);
 440         uint32_t *arg = data;
 441
 442         dev_priv->blc_adj2 = *arg;
 443         get_brightness(dev_priv->backlight_device);
 444         return 0;
 445 }
 446
 447 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 448                         struct drm_file *file_priv)
 449 {
 450         struct drm_psb_private *dev_priv = psb_priv(dev);
 451         uint32_t *arg = data;
 452
 453         dev_priv->blc_adj1 = *arg;
 454         get_brightness(dev_priv->backlight_device);
 455         return 0;
 456 }
 457
 458 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 459                            struct drm_file *file_priv)
 460 {
 461         struct drm_psb_dpst_lut_arg *lut_arg = data;
 462         struct drm_mode_object *obj;
 463         struct drm_crtc *crtc;
 464         struct drm_connector *connector;
 465         struct psb_intel_crtc *psb_intel_crtc;
 466         int i = 0;
 467         int32_t obj_id;
 468
 469         obj_id = lut_arg->output_id;
 470         obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
 471         if (!obj) {
 472                 dev_dbg(dev->dev, "Invalid Connector object.\n");
 473                 return -EINVAL;
 474         }
 475
 476         connector = obj_to_connector(obj);
 477         crtc = connector->encoder->crtc;
 478         psb_intel_crtc = to_psb_intel_crtc(crtc);
 479
 480         for (i = 0; i < 256; i++)
 481                 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
 482
 483         psb_intel_crtc_load_lut(crtc);
 484
 485         return 0;
 486 }
 487
 488 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 489                                 struct drm_file *file_priv)
 490 {
 491         uint32_t obj_id;
 492         uint16_t op;
 493         struct drm_mode_modeinfo *umode;
 494         struct drm_display_mode *mode = NULL;
 495         struct drm_psb_mode_operation_arg *arg;
 496         struct drm_mode_object *obj;
 497         struct drm_connector *connector;
 498         struct drm_connector_helper_funcs *connector_funcs;
 499         int ret = 0;
 500         int resp = MODE_OK;
 501
 502         arg = (struct drm_psb_mode_operation_arg *)data;
 503         obj_id = arg->obj_id;
 504         op = arg->operation;
 505
 506         switch (op) {
 507         case PSB_MODE_OPERATION_MODE_VALID:
 508                 umode = &arg->mode;
 509
 510                 mutex_lock(&dev->mode_config.mutex);
 511
 512                 obj = drm_mode_object_find(dev, obj_id,
 513                                         DRM_MODE_OBJECT_CONNECTOR);
 514                 if (!obj) {
 515                         ret = -EINVAL;
 516                         goto mode_op_out;
 517                 }
 518
 519                 connector = obj_to_connector(obj);
 520
 521                 mode = drm_mode_create(dev);
 522                 if (!mode) {
 523                         ret = -ENOMEM;
 524                         goto mode_op_out;
 525                 }
 526
 527                 /* drm_crtc_convert_umode(mode, umode); */
 528                 {
 529                         mode->clock = umode->clock;
 530                         mode->hdisplay = umode->hdisplay;
 531                         mode->hsync_start = umode->hsync_start;
 532                         mode->hsync_end = umode->hsync_end;
 533                         mode->htotal = umode->htotal;
 534                         mode->hskew = umode->hskew;
 535                         mode->vdisplay = umode->vdisplay;
 536                         mode->vsync_start = umode->vsync_start;
 537                         mode->vsync_end = umode->vsync_end;
 538                         mode->vtotal = umode->vtotal;
 539                         mode->vscan = umode->vscan;
 540                         mode->vrefresh = umode->vrefresh;
 541                         mode->flags = umode->flags;
 542                         mode->type = umode->type;
 543                         strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
 544                         mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 545                 }
 546
 547                 connector_funcs = (struct drm_connector_helper_funcs *)
 548                                    connector->helper_private;
 549
 550                 if (connector_funcs->mode_valid) {
 551                         resp = connector_funcs->mode_valid(connector, mode);
 552                         arg->data = resp;
 553                 }
 554
 555                 /*do some clean up work*/
 556                 if (mode)
 557                         drm_mode_destroy(dev, mode);
 558 mode_op_out:
 559                 mutex_unlock(&dev->mode_config.mutex);
 560                 return ret;
 561
 562         default:
 563                 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
 564                 return -EOPNOTSUPP;
 565         }
 566
 567         return 0;
 568 }
 569
 570 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 571                                    struct drm_file *file_priv)
 572 {
 573         struct drm_psb_private *dev_priv = psb_priv(dev);
 574         struct drm_psb_stolen_memory_arg *arg = data;
 575
 576         arg->base = dev_priv->stolen_base;
 577         arg->size = dev_priv->vram_stolen_size;
 578
 579         return 0;
 580 }
 581
 582 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
 583 {
 584         return 0;
 585 }
 586
 587 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
 588 {
 589 }
 590
 591 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
 592                                unsigned long arg)
 593 {
 594         struct drm_file *file_priv = filp->private_data;
 595         struct drm_device *dev = file_priv->minor->dev;
 596         struct drm_psb_private *dev_priv = dev->dev_private;
 597         static unsigned int runtime_allowed;
 598
 599         if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
 600                 runtime_allowed++;
 601                 pm_runtime_allow(&dev->pdev->dev);
 602                 dev_priv->rpm_enabled = 1;
 603         }
 604         return drm_ioctl(filp, cmd, arg);
 605         /* FIXME: do we need to wrap the other side of this */
 606 }
 607
 608
 609 /* When a client dies:
 610  *    - Check for and clean up flipped page state
 611  */
 612 void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
 613 {
 614 }
 615
 616 static void psb_remove(struct pci_dev *pdev)
 617 {
 618         struct drm_device *dev = pci_get_drvdata(pdev);
 619         drm_put_dev(dev);
 620 }
 621
 622 static const struct dev_pm_ops psb_pm_ops = {
 623         .resume = gma_power_resume,
 624         .suspend = gma_power_suspend,
 625         .runtime_suspend = psb_runtime_suspend,
 626         .runtime_resume = psb_runtime_resume,
 627         .runtime_idle = psb_runtime_idle,
 628 };
 629
 630 static struct vm_operations_struct psb_gem_vm_ops = {
 631         .fault = psb_gem_fault,
 632         .open = drm_gem_vm_open,
 633         .close = drm_gem_vm_close,
 634 };
 635
 636 static const struct file_operations psb_gem_fops = {
 637         .owner = THIS_MODULE,
 638         .open = drm_open,
 639         .release = drm_release,
 640         .unlocked_ioctl = psb_unlocked_ioctl,
 641         .mmap = drm_gem_mmap,
 642         .poll = drm_poll,
 643         .fasync = drm_fasync,
 644         .read = drm_read,
 645 };
 646
 647 static struct drm_driver driver = {
 648         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
 649                            DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
 650         .load = psb_driver_load,
 651         .unload = psb_driver_unload,
 652
 653         .ioctls = psb_ioctls,
 654         .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
 655         .device_is_agp = psb_driver_device_is_agp,
 656         .irq_preinstall = psb_irq_preinstall,
 657         .irq_postinstall = psb_irq_postinstall,
 658         .irq_uninstall = psb_irq_uninstall,
 659         .irq_handler = psb_irq_handler,
 660         .enable_vblank = psb_enable_vblank,
 661         .disable_vblank = psb_disable_vblank,
 662         .get_vblank_counter = psb_get_vblank_counter,
 663         .lastclose = psb_lastclose,
 664         .open = psb_driver_open,
 665         .preclose = psb_driver_preclose,
 666         .postclose = psb_driver_close,
 667         .reclaim_buffers = drm_core_reclaim_buffers,
 668
 669         .gem_init_object = psb_gem_init_object,
 670         .gem_free_object = psb_gem_free_object,
 671         .gem_vm_ops = &psb_gem_vm_ops,
 672         .dumb_create = psb_gem_dumb_create,
 673         .dumb_map_offset = psb_gem_dumb_map_gtt,
 674         .dumb_destroy = psb_gem_dumb_destroy,
 675         .fops = &psb_gem_fops,
 676         .name = DRIVER_NAME,
 677         .desc = DRIVER_DESC,
 678         .date = PSB_DRM_DRIVER_DATE,
 679         .major = PSB_DRM_DRIVER_MAJOR,
 680         .minor = PSB_DRM_DRIVER_MINOR,
 681         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
 682 };
 683
 684 static struct pci_driver psb_pci_driver = {
 685         .name = DRIVER_NAME,
 686         .id_table = pciidlist,
 687         .probe = psb_probe,
 688         .remove = psb_remove,
 689         .driver.pm = &psb_pm_ops,
 690 };
 691
 692 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 693 {
 694         return drm_get_pci_dev(pdev, ent, &driver);
 695 }
 696
 697 static int __init psb_init(void)
 698 {
 699         return drm_pci_init(&driver, &psb_pci_driver);
 700 }
 701
 702 static void __exit psb_exit(void)
 703 {
 704         drm_pci_exit(&driver, &psb_pci_driver);
 705 }
 706
 707 late_initcall(psb_init);
 708 module_exit(psb_exit);
 709
 710 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
 711 MODULE_DESCRIPTION(DRIVER_DESC);
 712 MODULE_LICENSE("GPL");