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 void psb_do_takedown(struct drm_device *dev)
 156 {
 157 }
 158
 159 static int psb_do_init(struct drm_device *dev)
 160 {
 161         struct drm_psb_private *dev_priv = dev->dev_private;
 162         struct psb_gtt *pg = &dev_priv->gtt;
 163
 164         uint32_t stolen_gtt;
 165
 166         int ret = -ENOMEM;
 167
 168         if (pg->mmu_gatt_start & 0x0FFFFFFF) {
 169                 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
 170                 ret = -EINVAL;
 171                 goto out_err;
 172         }
 173
 174
 175         stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
 176         stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
 177         stolen_gtt =
 178             (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
 179
 180         dev_priv->gatt_free_offset = pg->mmu_gatt_start +
 181             (stolen_gtt << PAGE_SHIFT) * 1024;
 182
 183         spin_lock_init(&dev_priv->irqmask_lock);
 184         spin_lock_init(&dev_priv->lock_2d);
 185
 186         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
 187         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
 188         PSB_RSGX32(PSB_CR_BIF_BANK1);
 189         PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
 190                                                         PSB_CR_BIF_CTRL);
 191         psb_spank(dev_priv);
 192
 193         /* mmu_gatt ?? */
 194         PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
 195         return 0;
 196 out_err:
 197         psb_do_takedown(dev);
 198         return ret;
 199 }
 200
 201 static int psb_driver_unload(struct drm_device *dev)
 202 {
 203         struct drm_psb_private *dev_priv = dev->dev_private;
 204
 205         /* Kill vblank etc here */
 206
 207         gma_backlight_exit(dev);
 208         psb_modeset_cleanup(dev);
 209
 210         if (dev_priv) {
 211                 psb_intel_opregion_fini(dev);
 212                 psb_lid_timer_takedown(dev_priv);
 213
 214                 if (dev_priv->ops->chip_teardown)
 215                         dev_priv->ops->chip_teardown(dev);
 216                 psb_do_takedown(dev);
 217
 218
 219                 if (dev_priv->pf_pd) {
 220                         psb_mmu_free_pagedir(dev_priv->pf_pd);
 221                         dev_priv->pf_pd = NULL;
 222                 }
 223                 if (dev_priv->mmu) {
 224                         struct psb_gtt *pg = &dev_priv->gtt;
 225
 226                         down_read(&pg->sem);
 227                         psb_mmu_remove_pfn_sequence(
 228                                 psb_mmu_get_default_pd
 229                                 (dev_priv->mmu),
 230                                 pg->mmu_gatt_start,
 231                                 dev_priv->vram_stolen_size >> PAGE_SHIFT);
 232                         up_read(&pg->sem);
 233                         psb_mmu_driver_takedown(dev_priv->mmu);
 234                         dev_priv->mmu = NULL;
 235                 }
 236                 psb_gtt_takedown(dev);
 237                 if (dev_priv->scratch_page) {
 238                         set_pages_wb(dev_priv->scratch_page, 1);
 239                         __free_page(dev_priv->scratch_page);
 240                         dev_priv->scratch_page = NULL;
 241                 }
 242                 if (dev_priv->vdc_reg) {
 243                         iounmap(dev_priv->vdc_reg);
 244                         dev_priv->vdc_reg = NULL;
 245                 }
 246                 if (dev_priv->sgx_reg) {
 247                         iounmap(dev_priv->sgx_reg);
 248                         dev_priv->sgx_reg = NULL;
 249                 }
 250
 251                 kfree(dev_priv);
 252                 dev->dev_private = NULL;
 253
 254                 /*destroy VBT data*/
 255                 psb_intel_destroy_bios(dev);
 256         }
 257
 258         gma_power_uninit(dev);
 259
 260         return 0;
 261 }
 262
 263
 264 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 265 {
 266         struct drm_psb_private *dev_priv;
 267         unsigned long resource_start;
 268         unsigned long irqflags;
 269         int ret = -ENOMEM;
 270         struct drm_connector *connector;
 271         struct psb_intel_encoder *psb_intel_encoder;
 272
 273         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 274         if (dev_priv == NULL)
 275                 return -ENOMEM;
 276
 277         dev_priv->ops = (struct psb_ops *)chipset;
 278         dev_priv->dev = dev;
 279         dev->dev_private = (void *) dev_priv;
 280
 281         pci_set_master(dev->pdev);
 282
 283         if (!IS_PSB(dev)) {
 284                 if (pci_enable_msi(dev->pdev))
 285                         dev_warn(dev->dev, "Enabling MSI failed!\n");
 286         }
 287
 288         dev_priv->num_pipe = dev_priv->ops->pipes;
 289
 290         resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
 291
 292         dev_priv->vdc_reg =
 293             ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
 294         if (!dev_priv->vdc_reg)
 295                 goto out_err;
 296
 297         dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
 298                                                         PSB_SGX_SIZE);
 299         if (!dev_priv->sgx_reg)
 300                 goto out_err;
 301
 302         psb_intel_opregion_setup(dev);
 303
 304         ret = dev_priv->ops->chip_setup(dev);
 305         if (ret)
 306                 goto out_err;
 307
 308         /* Init OSPM support */
 309         gma_power_init(dev);
 310
 311         ret = -ENOMEM;
 312
 313         dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
 314         if (!dev_priv->scratch_page)
 315                 goto out_err;
 316
 317         set_pages_uc(dev_priv->scratch_page, 1);
 318
 319         ret = psb_gtt_init(dev, 0);
 320         if (ret)
 321                 goto out_err;
 322
 323         dev_priv->mmu = psb_mmu_driver_init((void *)0,
 324                                         drm_psb_trap_pagefaults, 0,
 325                                         dev_priv);
 326         if (!dev_priv->mmu)
 327                 goto out_err;
 328
 329         dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
 330         if (!dev_priv->pf_pd)
 331                 goto out_err;
 332
 333         psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
 334         psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
 335
 336         ret = psb_do_init(dev);
 337         if (ret)
 338                 return ret;
 339
 340         PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
 341         PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
 342
 343         acpi_video_register();
 344         if (dev_priv->opregion.lid_state)
 345                 psb_lid_timer_init(dev_priv);
 346
 347         ret = drm_vblank_init(dev, dev_priv->num_pipe);
 348         if (ret)
 349                 goto out_err;
 350
 351         /*
 352          * Install interrupt handlers prior to powering off SGX or else we will
 353          * crash.
 354          */
 355         dev_priv->vdc_irq_mask = 0;
 356         dev_priv->pipestat[0] = 0;
 357         dev_priv->pipestat[1] = 0;
 358         dev_priv->pipestat[2] = 0;
 359         spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
 360         PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
 361         PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
 362         PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 363         spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 364         if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
 365                 drm_irq_install(dev);
 366
 367         dev->vblank_disable_allowed = 1;
 368
 369         dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 370
 371         dev->driver->get_vblank_counter = psb_get_vblank_counter;
 372
 373         psb_modeset_init(dev);
 374         psb_fbdev_init(dev);
 375         drm_kms_helper_poll_init(dev);
 376
 377         /* Only add backlight support if we have LVDS output */
 378         list_for_each_entry(connector, &dev->mode_config.connector_list,
 379                             head) {
 380                 psb_intel_encoder = psb_intel_attached_encoder(connector);
 381
 382                 switch (psb_intel_encoder->type) {
 383                 case INTEL_OUTPUT_LVDS:
 384                 case INTEL_OUTPUT_MIPI:
 385                         ret = gma_backlight_init(dev);
 386                         break;
 387                 }
 388         }
 389
 390         if (ret)
 391                 return ret;
 392 #if 0
 393         /*enable runtime pm at last*/
 394         pm_runtime_enable(&dev->pdev->dev);
 395         pm_runtime_set_active(&dev->pdev->dev);
 396 #endif
 397         /*Intel drm driver load is done, continue doing pvr load*/
 398         return 0;
 399 out_err:
 400         psb_driver_unload(dev);
 401         return ret;
 402 }
 403
 404 static int psb_driver_device_is_agp(struct drm_device *dev)
 405 {
 406         return 0;
 407 }
 408
 409 static inline void get_brightness(struct backlight_device *bd)
 410 {
 411 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 412         if (bd) {
 413                 bd->props.brightness = bd->ops->get_brightness(bd);
 414                 backlight_update_status(bd);
 415         }
 416 #endif
 417 }
 418
 419 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
 420                        struct drm_file *file_priv)
 421 {
 422         struct drm_psb_private *dev_priv = psb_priv(dev);
 423         uint32_t *arg = data;
 424
 425         dev_priv->blc_adj2 = *arg;
 426         get_brightness(dev_priv->backlight_device);
 427         return 0;
 428 }
 429
 430 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 431                         struct drm_file *file_priv)
 432 {
 433         struct drm_psb_private *dev_priv = psb_priv(dev);
 434         uint32_t *arg = data;
 435
 436         dev_priv->blc_adj1 = *arg;
 437         get_brightness(dev_priv->backlight_device);
 438         return 0;
 439 }
 440
 441 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 442                            struct drm_file *file_priv)
 443 {
 444         struct drm_psb_dpst_lut_arg *lut_arg = data;
 445         struct drm_mode_object *obj;
 446         struct drm_crtc *crtc;
 447         struct drm_connector *connector;
 448         struct psb_intel_crtc *psb_intel_crtc;
 449         int i = 0;
 450         int32_t obj_id;
 451
 452         obj_id = lut_arg->output_id;
 453         obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
 454         if (!obj) {
 455                 dev_dbg(dev->dev, "Invalid Connector object.\n");
 456                 return -EINVAL;
 457         }
 458
 459         connector = obj_to_connector(obj);
 460         crtc = connector->encoder->crtc;
 461         psb_intel_crtc = to_psb_intel_crtc(crtc);
 462
 463         for (i = 0; i < 256; i++)
 464                 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
 465
 466         psb_intel_crtc_load_lut(crtc);
 467
 468         return 0;
 469 }
 470
 471 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 472                                 struct drm_file *file_priv)
 473 {
 474         uint32_t obj_id;
 475         uint16_t op;
 476         struct drm_mode_modeinfo *umode;
 477         struct drm_display_mode *mode = NULL;
 478         struct drm_psb_mode_operation_arg *arg;
 479         struct drm_mode_object *obj;
 480         struct drm_connector *connector;
 481         struct drm_connector_helper_funcs *connector_funcs;
 482         int ret = 0;
 483         int resp = MODE_OK;
 484
 485         arg = (struct drm_psb_mode_operation_arg *)data;
 486         obj_id = arg->obj_id;
 487         op = arg->operation;
 488
 489         switch (op) {
 490         case PSB_MODE_OPERATION_MODE_VALID:
 491                 umode = &arg->mode;
 492
 493                 mutex_lock(&dev->mode_config.mutex);
 494
 495                 obj = drm_mode_object_find(dev, obj_id,
 496                                         DRM_MODE_OBJECT_CONNECTOR);
 497                 if (!obj) {
 498                         ret = -EINVAL;
 499                         goto mode_op_out;
 500                 }
 501
 502                 connector = obj_to_connector(obj);
 503
 504                 mode = drm_mode_create(dev);
 505                 if (!mode) {
 506                         ret = -ENOMEM;
 507                         goto mode_op_out;
 508                 }
 509
 510                 /* drm_crtc_convert_umode(mode, umode); */
 511                 {
 512                         mode->clock = umode->clock;
 513                         mode->hdisplay = umode->hdisplay;
 514                         mode->hsync_start = umode->hsync_start;
 515                         mode->hsync_end = umode->hsync_end;
 516                         mode->htotal = umode->htotal;
 517                         mode->hskew = umode->hskew;
 518                         mode->vdisplay = umode->vdisplay;
 519                         mode->vsync_start = umode->vsync_start;
 520                         mode->vsync_end = umode->vsync_end;
 521                         mode->vtotal = umode->vtotal;
 522                         mode->vscan = umode->vscan;
 523                         mode->vrefresh = umode->vrefresh;
 524                         mode->flags = umode->flags;
 525                         mode->type = umode->type;
 526                         strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
 527                         mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 528                 }
 529
 530                 connector_funcs = (struct drm_connector_helper_funcs *)
 531                                    connector->helper_private;
 532
 533                 if (connector_funcs->mode_valid) {
 534                         resp = connector_funcs->mode_valid(connector, mode);
 535                         arg->data = resp;
 536                 }
 537
 538                 /*do some clean up work*/
 539                 if (mode)
 540                         drm_mode_destroy(dev, mode);
 541 mode_op_out:
 542                 mutex_unlock(&dev->mode_config.mutex);
 543                 return ret;
 544
 545         default:
 546                 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
 547                 return -EOPNOTSUPP;
 548         }
 549
 550         return 0;
 551 }
 552
 553 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 554                                    struct drm_file *file_priv)
 555 {
 556         struct drm_psb_private *dev_priv = psb_priv(dev);
 557         struct drm_psb_stolen_memory_arg *arg = data;
 558
 559         arg->base = dev_priv->stolen_base;
 560         arg->size = dev_priv->vram_stolen_size;
 561
 562         return 0;
 563 }
 564
 565 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
 566 {
 567         return 0;
 568 }
 569
 570 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
 571 {
 572 }
 573
 574 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
 575                                unsigned long arg)
 576 {
 577         struct drm_file *file_priv = filp->private_data;
 578         struct drm_device *dev = file_priv->minor->dev;
 579         struct drm_psb_private *dev_priv = dev->dev_private;
 580         static unsigned int runtime_allowed;
 581
 582         if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
 583                 runtime_allowed++;
 584                 pm_runtime_allow(&dev->pdev->dev);
 585                 dev_priv->rpm_enabled = 1;
 586         }
 587         return drm_ioctl(filp, cmd, arg);
 588         /* FIXME: do we need to wrap the other side of this */
 589 }
 590
 591
 592 /* When a client dies:
 593  *    - Check for and clean up flipped page state
 594  */
 595 static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
 596 {
 597 }
 598
 599 static void psb_remove(struct pci_dev *pdev)
 600 {
 601         struct drm_device *dev = pci_get_drvdata(pdev);
 602         drm_put_dev(dev);
 603 }
 604
 605 static const struct dev_pm_ops psb_pm_ops = {
 606         .resume = gma_power_resume,
 607         .suspend = gma_power_suspend,
 608         .runtime_suspend = psb_runtime_suspend,
 609         .runtime_resume = psb_runtime_resume,
 610         .runtime_idle = psb_runtime_idle,
 611 };
 612
 613 static struct vm_operations_struct psb_gem_vm_ops = {
 614         .fault = psb_gem_fault,
 615         .open = drm_gem_vm_open,
 616         .close = drm_gem_vm_close,
 617 };
 618
 619 static const struct file_operations psb_gem_fops = {
 620         .owner = THIS_MODULE,
 621         .open = drm_open,
 622         .release = drm_release,
 623         .unlocked_ioctl = psb_unlocked_ioctl,
 624         .mmap = drm_gem_mmap,
 625         .poll = drm_poll,
 626         .fasync = drm_fasync,
 627         .read = drm_read,
 628 };
 629
 630 static struct drm_driver driver = {
 631         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
 632                            DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
 633         .load = psb_driver_load,
 634         .unload = psb_driver_unload,
 635
 636         .ioctls = psb_ioctls,
 637         .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
 638         .device_is_agp = psb_driver_device_is_agp,
 639         .irq_preinstall = psb_irq_preinstall,
 640         .irq_postinstall = psb_irq_postinstall,
 641         .irq_uninstall = psb_irq_uninstall,
 642         .irq_handler = psb_irq_handler,
 643         .enable_vblank = psb_enable_vblank,
 644         .disable_vblank = psb_disable_vblank,
 645         .get_vblank_counter = psb_get_vblank_counter,
 646         .lastclose = psb_lastclose,
 647         .open = psb_driver_open,
 648         .preclose = psb_driver_preclose,
 649         .postclose = psb_driver_close,
 650         .reclaim_buffers = drm_core_reclaim_buffers,
 651
 652         .gem_init_object = psb_gem_init_object,
 653         .gem_free_object = psb_gem_free_object,
 654         .gem_vm_ops = &psb_gem_vm_ops,
 655         .dumb_create = psb_gem_dumb_create,
 656         .dumb_map_offset = psb_gem_dumb_map_gtt,
 657         .dumb_destroy = psb_gem_dumb_destroy,
 658         .fops = &psb_gem_fops,
 659         .name = DRIVER_NAME,
 660         .desc = DRIVER_DESC,
 661         .date = PSB_DRM_DRIVER_DATE,
 662         .major = PSB_DRM_DRIVER_MAJOR,
 663         .minor = PSB_DRM_DRIVER_MINOR,
 664         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
 665 };
 666
 667 static struct pci_driver psb_pci_driver = {
 668         .name = DRIVER_NAME,
 669         .id_table = pciidlist,
 670         .probe = psb_probe,
 671         .remove = psb_remove,
 672         .driver = {
 673                 .pm = &psb_pm_ops,
 674         }
 675 };
 676
 677 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 678 {
 679         return drm_get_pci_dev(pdev, ent, &driver);
 680 }
 681
 682 static int __init psb_init(void)
 683 {
 684         return drm_pci_init(&driver, &psb_pci_driver);
 685 }
 686
 687 static void __exit psb_exit(void)
 688 {
 689         drm_pci_exit(&driver, &psb_pci_driver);
 690 }
 691
 692 late_initcall(psb_init);
 693 module_exit(psb_exit);
 694
 695 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
 696 MODULE_DESCRIPTION(DRIVER_DESC);
 697 MODULE_LICENSE("GPL");