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_OAKTRAIL)
  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         /* FIXME: do we need to clean up the gtt here ? */
 145 }
 146
 147 static int psb_do_init(struct drm_device *dev)
 148 {
 149         struct drm_psb_private *dev_priv = dev->dev_private;
 150         struct psb_gtt *pg = &dev_priv->gtt;
 151
 152         uint32_t stolen_gtt;
 153
 154         int ret = -ENOMEM;
 155
 156         if (pg->mmu_gatt_start & 0x0FFFFFFF) {
 157                 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
 158                 ret = -EINVAL;
 159                 goto out_err;
 160         }
 161
 162
 163         stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
 164         stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
 165         stolen_gtt =
 166             (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
 167
 168         dev_priv->gatt_free_offset = pg->mmu_gatt_start +
 169             (stolen_gtt << PAGE_SHIFT) * 1024;
 170
 171         if (1 || drm_debug) {
 172                 uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
 173                 uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
 174                 DRM_INFO("SGX core id = 0x%08x\n", core_id);
 175                 DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
 176                          (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
 177                          _PSB_CC_REVISION_MAJOR_SHIFT,
 178                          (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
 179                          _PSB_CC_REVISION_MINOR_SHIFT);
 180                 DRM_INFO
 181                     ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
 182                      (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
 183                      _PSB_CC_REVISION_MAINTENANCE_SHIFT,
 184                      (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
 185                      _PSB_CC_REVISION_DESIGNER_SHIFT);
 186         }
 187
 188
 189         spin_lock_init(&dev_priv->irqmask_lock);
 190         mutex_init(&dev_priv->mutex_2d);
 191
 192         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
 193         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
 194         PSB_RSGX32(PSB_CR_BIF_BANK1);
 195         PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
 196                                                         PSB_CR_BIF_CTRL);
 197         psb_spank(dev_priv);
 198
 199         /* mmu_gatt ?? */
 200         PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
 201         return 0;
 202 out_err:
 203         psb_do_takedown(dev);
 204         return ret;
 205 }
 206
 207 static int psb_driver_unload(struct drm_device *dev)
 208 {
 209         struct drm_psb_private *dev_priv = dev->dev_private;
 210
 211         /* Kill vblank etc here */
 212
 213         gma_backlight_exit(dev);
 214
 215         if (drm_psb_no_fb == 0)
 216                 psb_modeset_cleanup(dev);
 217
 218         if (dev_priv) {
 219                 psb_lid_timer_takedown(dev_priv);
 220                 gma_intel_opregion_exit(dev);
 221
 222                 if (dev_priv->ops->chip_teardown)
 223                         dev_priv->ops->chip_teardown(dev);
 224                 psb_do_takedown(dev);
 225
 226
 227                 if (dev_priv->pf_pd) {
 228                         psb_mmu_free_pagedir(dev_priv->pf_pd);
 229                         dev_priv->pf_pd = NULL;
 230                 }
 231                 if (dev_priv->mmu) {
 232                         struct psb_gtt *pg = &dev_priv->gtt;
 233
 234                         down_read(&pg->sem);
 235                         psb_mmu_remove_pfn_sequence(
 236                                 psb_mmu_get_default_pd
 237                                 (dev_priv->mmu),
 238                                 pg->mmu_gatt_start,
 239                                 dev_priv->vram_stolen_size >> PAGE_SHIFT);
 240                         up_read(&pg->sem);
 241                         psb_mmu_driver_takedown(dev_priv->mmu);
 242                         dev_priv->mmu = NULL;
 243                 }
 244                 psb_gtt_takedown(dev);
 245                 if (dev_priv->scratch_page) {
 246                         __free_page(dev_priv->scratch_page);
 247                         dev_priv->scratch_page = NULL;
 248                 }
 249                 if (dev_priv->vdc_reg) {
 250                         iounmap(dev_priv->vdc_reg);
 251                         dev_priv->vdc_reg = NULL;
 252                 }
 253                 if (dev_priv->sgx_reg) {
 254                         iounmap(dev_priv->sgx_reg);
 255                         dev_priv->sgx_reg = NULL;
 256                 }
 257
 258                 kfree(dev_priv);
 259                 dev->dev_private = NULL;
 260
 261                 /*destroy VBT data*/
 262                 psb_intel_destroy_bios(dev);
 263         }
 264
 265         gma_power_uninit(dev);
 266
 267         return 0;
 268 }
 269
 270
 271 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 272 {
 273         struct drm_psb_private *dev_priv;
 274         unsigned long resource_start;
 275         struct psb_gtt *pg;
 276         unsigned long irqflags;
 277         int ret = -ENOMEM;
 278         uint32_t tt_pages;
 279         struct drm_connector *connector;
 280         struct psb_intel_output *psb_intel_output;
 281
 282         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 283         if (dev_priv == NULL)
 284                 return -ENOMEM;
 285
 286         dev_priv->ops = (struct psb_ops *)chipset;
 287         dev_priv->dev = dev;
 288         dev->dev_private = (void *) dev_priv;
 289
 290         dev_priv->num_pipe = dev_priv->ops->pipes;
 291
 292         resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
 293
 294         dev_priv->vdc_reg =
 295             ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
 296         if (!dev_priv->vdc_reg)
 297                 goto out_err;
 298
 299         dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
 300                                                         PSB_SGX_SIZE);
 301         if (!dev_priv->sgx_reg)
 302                 goto out_err;
 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         pg = &dev_priv->gtt;
 330
 331         tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
 332                 (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
 333
 334
 335         dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
 336         if (!dev_priv->pf_pd)
 337                 goto out_err;
 338
 339         psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
 340         psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
 341
 342         ret = psb_do_init(dev);
 343         if (ret)
 344                 return ret;
 345
 346         PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
 347         PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
 348
 349 /*      igd_opregion_init(&dev_priv->opregion_dev); */
 350         acpi_video_register();
 351         if (dev_priv->lid_state)
 352                 psb_lid_timer_init(dev_priv);
 353
 354         ret = drm_vblank_init(dev, dev_priv->num_pipe);
 355         if (ret)
 356                 goto out_err;
 357
 358         /*
 359          * Install interrupt handlers prior to powering off SGX or else we will
 360          * crash.
 361          */
 362         dev_priv->vdc_irq_mask = 0;
 363         dev_priv->pipestat[0] = 0;
 364         dev_priv->pipestat[1] = 0;
 365         dev_priv->pipestat[2] = 0;
 366         spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
 367         PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
 368         PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
 369         PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 370         spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 371         if (drm_core_check_feature(dev, DRIVER_MODESET))
 372                 drm_irq_install(dev);
 373
 374         dev->vblank_disable_allowed = 1;
 375
 376         dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 377
 378         dev->driver->get_vblank_counter = psb_get_vblank_counter;
 379
 380         if (drm_psb_no_fb == 0) {
 381                 psb_modeset_init(dev);
 382                 psb_fbdev_init(dev);
 383                 drm_kms_helper_poll_init(dev);
 384         }
 385
 386         /* Only add backlight support if we have LVDS output */
 387         list_for_each_entry(connector, &dev->mode_config.connector_list,
 388                             head) {
 389                 psb_intel_output = to_psb_intel_output(connector);
 390
 391                 switch (psb_intel_output->type) {
 392                 case INTEL_OUTPUT_LVDS:
 393                 case INTEL_OUTPUT_MIPI:
 394                         ret = gma_backlight_init(dev);
 395                         break;
 396                 }
 397         }
 398
 399         if (ret)
 400                 return ret;
 401 #if 0
 402         /*enable runtime pm at last*/
 403         pm_runtime_enable(&dev->pdev->dev);
 404         pm_runtime_set_active(&dev->pdev->dev);
 405 #endif
 406         /*Intel drm driver load is done, continue doing pvr load*/
 407         return 0;
 408 out_err:
 409         psb_driver_unload(dev);
 410         return ret;
 411 }
 412
 413 int psb_driver_device_is_agp(struct drm_device *dev)
 414 {
 415         return 0;
 416 }
 417
 418 static inline void get_brightness(struct backlight_device *bd)
 419 {
 420 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 421         if (bd) {
 422                 bd->props.brightness = bd->ops->get_brightness(bd);
 423                 backlight_update_status(bd);
 424         }
 425 #endif
 426 }
 427
 428 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
 429                        struct drm_file *file_priv)
 430 {
 431         struct drm_psb_private *dev_priv = psb_priv(dev);
 432         uint32_t *arg = data;
 433
 434         dev_priv->blc_adj2 = *arg;
 435         get_brightness(dev_priv->backlight_device);
 436         return 0;
 437 }
 438
 439 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 440                         struct drm_file *file_priv)
 441 {
 442         struct drm_psb_private *dev_priv = psb_priv(dev);
 443         uint32_t *arg = data;
 444
 445         dev_priv->blc_adj1 = *arg;
 446         get_brightness(dev_priv->backlight_device);
 447         return 0;
 448 }
 449
 450 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 451                            struct drm_file *file_priv)
 452 {
 453         struct drm_psb_dpst_lut_arg *lut_arg = data;
 454         struct drm_mode_object *obj;
 455         struct drm_crtc *crtc;
 456         struct drm_connector *connector;
 457         struct psb_intel_crtc *psb_intel_crtc;
 458         int i = 0;
 459         int32_t obj_id;
 460
 461         obj_id = lut_arg->output_id;
 462         obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
 463         if (!obj) {
 464                 dev_dbg(dev->dev, "Invalid Connector object.\n");
 465                 return -EINVAL;
 466         }
 467
 468         connector = obj_to_connector(obj);
 469         crtc = connector->encoder->crtc;
 470         psb_intel_crtc = to_psb_intel_crtc(crtc);
 471
 472         for (i = 0; i < 256; i++)
 473                 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
 474
 475         psb_intel_crtc_load_lut(crtc);
 476
 477         return 0;
 478 }
 479
 480 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 481                                 struct drm_file *file_priv)
 482 {
 483         uint32_t obj_id;
 484         uint16_t op;
 485         struct drm_mode_modeinfo *umode;
 486         struct drm_display_mode *mode = NULL;
 487         struct drm_psb_mode_operation_arg *arg;
 488         struct drm_mode_object *obj;
 489         struct drm_connector *connector;
 490         struct drm_connector_helper_funcs *connector_funcs;
 491         int ret = 0;
 492         int resp = MODE_OK;
 493
 494         arg = (struct drm_psb_mode_operation_arg *)data;
 495         obj_id = arg->obj_id;
 496         op = arg->operation;
 497
 498         switch (op) {
 499         case PSB_MODE_OPERATION_MODE_VALID:
 500                 umode = &arg->mode;
 501
 502                 mutex_lock(&dev->mode_config.mutex);
 503
 504                 obj = drm_mode_object_find(dev, obj_id,
 505                                         DRM_MODE_OBJECT_CONNECTOR);
 506                 if (!obj) {
 507                         ret = -EINVAL;
 508                         goto mode_op_out;
 509                 }
 510
 511                 connector = obj_to_connector(obj);
 512
 513                 mode = drm_mode_create(dev);
 514                 if (!mode) {
 515                         ret = -ENOMEM;
 516                         goto mode_op_out;
 517                 }
 518
 519                 /* drm_crtc_convert_umode(mode, umode); */
 520                 {
 521                         mode->clock = umode->clock;
 522                         mode->hdisplay = umode->hdisplay;
 523                         mode->hsync_start = umode->hsync_start;
 524                         mode->hsync_end = umode->hsync_end;
 525                         mode->htotal = umode->htotal;
 526                         mode->hskew = umode->hskew;
 527                         mode->vdisplay = umode->vdisplay;
 528                         mode->vsync_start = umode->vsync_start;
 529                         mode->vsync_end = umode->vsync_end;
 530                         mode->vtotal = umode->vtotal;
 531                         mode->vscan = umode->vscan;
 532                         mode->vrefresh = umode->vrefresh;
 533                         mode->flags = umode->flags;
 534                         mode->type = umode->type;
 535                         strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
 536                         mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 537                 }
 538
 539                 connector_funcs = (struct drm_connector_helper_funcs *)
 540                                    connector->helper_private;
 541
 542                 if (connector_funcs->mode_valid) {
 543                         resp = connector_funcs->mode_valid(connector, mode);
 544                         arg->data = resp;
 545                 }
 546
 547                 /*do some clean up work*/
 548                 if (mode)
 549                         drm_mode_destroy(dev, mode);
 550 mode_op_out:
 551                 mutex_unlock(&dev->mode_config.mutex);
 552                 return ret;
 553
 554         default:
 555                 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
 556                 return -EOPNOTSUPP;
 557         }
 558
 559         return 0;
 560 }
 561
 562 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 563                                    struct drm_file *file_priv)
 564 {
 565         struct drm_psb_private *dev_priv = psb_priv(dev);
 566         struct drm_psb_stolen_memory_arg *arg = data;
 567
 568         arg->base = dev_priv->stolen_base;
 569         arg->size = dev_priv->vram_stolen_size;
 570
 571         return 0;
 572 }
 573
 574 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
 575 {
 576         return 0;
 577 }
 578
 579 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
 580 {
 581 }
 582
 583 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
 584                                unsigned long arg)
 585 {
 586         struct drm_file *file_priv = filp->private_data;
 587         struct drm_device *dev = file_priv->minor->dev;
 588         struct drm_psb_private *dev_priv = dev->dev_private;
 589         static unsigned int runtime_allowed;
 590
 591         if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
 592                 runtime_allowed++;
 593                 pm_runtime_allow(&dev->pdev->dev);
 594                 dev_priv->rpm_enabled = 1;
 595         }
 596         return drm_ioctl(filp, cmd, arg);
 597         /* FIXME: do we need to wrap the other side of this */
 598 }
 599
 600
 601 /* When a client dies:
 602  *    - Check for and clean up flipped page state
 603  */
 604 void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
 605 {
 606 }
 607
 608 static void psb_remove(struct pci_dev *pdev)
 609 {
 610         struct drm_device *dev = pci_get_drvdata(pdev);
 611         drm_put_dev(dev);
 612 }
 613
 614 static const struct dev_pm_ops psb_pm_ops = {
 615         .resume = gma_power_resume,
 616         .suspend = gma_power_suspend,
 617         .runtime_suspend = psb_runtime_suspend,
 618         .runtime_resume = psb_runtime_resume,
 619         .runtime_idle = psb_runtime_idle,
 620 };
 621
 622 static struct vm_operations_struct psb_gem_vm_ops = {
 623         .fault = psb_gem_fault,
 624         .open = drm_gem_vm_open,
 625         .close = drm_gem_vm_close,
 626 };
 627
 628 static const struct file_operations psb_gem_fops = {
 629         .owner = THIS_MODULE,
 630         .open = drm_open,
 631         .release = drm_release,
 632         .unlocked_ioctl = psb_unlocked_ioctl,
 633         .mmap = drm_gem_mmap,
 634         .poll = drm_poll,
 635         .fasync = drm_fasync,
 636         .read = drm_read,
 637 };
 638
 639 static struct drm_driver driver = {
 640         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
 641                            DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
 642         .load = psb_driver_load,
 643         .unload = psb_driver_unload,
 644
 645         .ioctls = psb_ioctls,
 646         .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
 647         .device_is_agp = psb_driver_device_is_agp,
 648         .irq_preinstall = psb_irq_preinstall,
 649         .irq_postinstall = psb_irq_postinstall,
 650         .irq_uninstall = psb_irq_uninstall,
 651         .irq_handler = psb_irq_handler,
 652         .enable_vblank = psb_enable_vblank,
 653         .disable_vblank = psb_disable_vblank,
 654         .get_vblank_counter = psb_get_vblank_counter,
 655         .lastclose = psb_lastclose,
 656         .open = psb_driver_open,
 657         .preclose = psb_driver_preclose,
 658         .postclose = psb_driver_close,
 659         .reclaim_buffers = drm_core_reclaim_buffers,
 660
 661         .gem_init_object = psb_gem_init_object,
 662         .gem_free_object = psb_gem_free_object,
 663         .gem_vm_ops = &psb_gem_vm_ops,
 664         .dumb_create = psb_gem_dumb_create,
 665         .dumb_map_offset = psb_gem_dumb_map_gtt,
 666         .dumb_destroy = psb_gem_dumb_destroy,
 667         .fops = &psb_gem_fops,
 668         .name = DRIVER_NAME,
 669         .desc = DRIVER_DESC,
 670         .date = PSB_DRM_DRIVER_DATE,
 671         .major = PSB_DRM_DRIVER_MAJOR,
 672         .minor = PSB_DRM_DRIVER_MINOR,
 673         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
 674 };
 675
 676 static struct pci_driver psb_pci_driver = {
 677         .name = DRIVER_NAME,
 678         .id_table = pciidlist,
 679         .probe = psb_probe,
 680         .remove = psb_remove,
 681         .driver.pm = &psb_pm_ops,
 682 };
 683
 684 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 685 {
 686         /* MLD Added this from Inaky's patch */
 687         if (pci_enable_msi(pdev))
 688                 dev_warn(&pdev->dev, "Enable MSI failed!\n");
 689         return drm_get_pci_dev(pdev, ent, &driver);
 690 }
 691
 692 static int __init psb_init(void)
 693 {
 694         return drm_pci_init(&driver, &psb_pci_driver);
 695 }
 696
 697 static void __exit psb_exit(void)
 698 {
 699         drm_pci_exit(&driver, &psb_pci_driver);
 700 }
 701
 702 late_initcall(psb_init);
 703 module_exit(psb_exit);
 704
 705 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
 706 MODULE_DESCRIPTION(DRIVER_DESC);
 707 MODULE_LICENSE("GPL");