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_PSB_ADB       \
  92                 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t)
  93 #define DRM_IOCTL_PSB_MODE_OPERATION    \
  94                 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \
  95                          struct drm_psb_mode_operation_arg)
  96 #define DRM_IOCTL_PSB_STOLEN_MEMORY     \
  97                 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \
  98                          struct drm_psb_stolen_memory_arg)
  99 #define DRM_IOCTL_PSB_GAMMA     \
 100                 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \
 101                          struct drm_psb_dpst_lut_arg)
 102 #define DRM_IOCTL_PSB_DPST_BL   \
 103                 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \
 104                          uint32_t)
 105 #define DRM_IOCTL_PSB_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_PSB_GEM_CREATE        \
 109                 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \
 110                          struct drm_psb_gem_create)
 111 #define DRM_IOCTL_PSB_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 #define PSB_IOCTL_DEF(ioctl, func, flags) \
 127         [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
 128
 129 static struct drm_ioctl_desc psb_ioctls[] = {
 130         PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH),
 131         PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl,
 132                       DRM_AUTH),
 133         PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl,
 134                       DRM_AUTH),
 135         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
 136         PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
 137         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID,
 138                                         psb_intel_get_pipe_from_crtc_id, 0),
 139         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl,
 140                                                 DRM_UNLOCKED | DRM_AUTH),
 141         PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl,
 142                                                 DRM_UNLOCKED | DRM_AUTH),
 143 };
 144
 145 static void psb_lastclose(struct drm_device *dev)
 146 {
 147         return;
 148 }
 149
 150 static void psb_do_takedown(struct drm_device *dev)
 151 {
 152 }
 153
 154 static int psb_do_init(struct drm_device *dev)
 155 {
 156         struct drm_psb_private *dev_priv = dev->dev_private;
 157         struct psb_gtt *pg = &dev_priv->gtt;
 158
 159         uint32_t stolen_gtt;
 160
 161         int ret = -ENOMEM;
 162
 163         if (pg->mmu_gatt_start & 0x0FFFFFFF) {
 164                 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
 165                 ret = -EINVAL;
 166                 goto out_err;
 167         }
 168
 169
 170         stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
 171         stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
 172         stolen_gtt =
 173             (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
 174
 175         dev_priv->gatt_free_offset = pg->mmu_gatt_start +
 176             (stolen_gtt << PAGE_SHIFT) * 1024;
 177
 178         if (1 || drm_debug) {
 179                 uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
 180                 uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
 181                 DRM_INFO("SGX core id = 0x%08x\n", core_id);
 182                 DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
 183                          (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
 184                          _PSB_CC_REVISION_MAJOR_SHIFT,
 185                          (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
 186                          _PSB_CC_REVISION_MINOR_SHIFT);
 187                 DRM_INFO
 188                     ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
 189                      (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
 190                      _PSB_CC_REVISION_MAINTENANCE_SHIFT,
 191                      (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
 192                      _PSB_CC_REVISION_DESIGNER_SHIFT);
 193         }
 194
 195
 196         spin_lock_init(&dev_priv->irqmask_lock);
 197         spin_lock_init(&dev_priv->lock_2d);
 198
 199         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
 200         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
 201         PSB_RSGX32(PSB_CR_BIF_BANK1);
 202         PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
 203                                                         PSB_CR_BIF_CTRL);
 204         psb_spank(dev_priv);
 205
 206         /* mmu_gatt ?? */
 207         PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
 208         return 0;
 209 out_err:
 210         psb_do_takedown(dev);
 211         return ret;
 212 }
 213
 214 static int psb_driver_unload(struct drm_device *dev)
 215 {
 216         struct drm_psb_private *dev_priv = dev->dev_private;
 217
 218         /* Kill vblank etc here */
 219
 220         gma_backlight_exit(dev);
 221
 222         psb_modeset_cleanup(dev);
 223
 224         if (dev_priv) {
 225                 psb_lid_timer_takedown(dev_priv);
 226                 gma_intel_opregion_exit(dev);
 227
 228                 if (dev_priv->ops->chip_teardown)
 229                         dev_priv->ops->chip_teardown(dev);
 230                 psb_do_takedown(dev);
 231
 232
 233                 if (dev_priv->pf_pd) {
 234                         psb_mmu_free_pagedir(dev_priv->pf_pd);
 235                         dev_priv->pf_pd = NULL;
 236                 }
 237                 if (dev_priv->mmu) {
 238                         struct psb_gtt *pg = &dev_priv->gtt;
 239
 240                         down_read(&pg->sem);
 241                         psb_mmu_remove_pfn_sequence(
 242                                 psb_mmu_get_default_pd
 243                                 (dev_priv->mmu),
 244                                 pg->mmu_gatt_start,
 245                                 dev_priv->vram_stolen_size >> PAGE_SHIFT);
 246                         up_read(&pg->sem);
 247                         psb_mmu_driver_takedown(dev_priv->mmu);
 248                         dev_priv->mmu = NULL;
 249                 }
 250                 psb_gtt_takedown(dev);
 251                 if (dev_priv->scratch_page) {
 252                         __free_page(dev_priv->scratch_page);
 253                         dev_priv->scratch_page = NULL;
 254                 }
 255                 if (dev_priv->vdc_reg) {
 256                         iounmap(dev_priv->vdc_reg);
 257                         dev_priv->vdc_reg = NULL;
 258                 }
 259                 if (dev_priv->sgx_reg) {
 260                         iounmap(dev_priv->sgx_reg);
 261                         dev_priv->sgx_reg = NULL;
 262                 }
 263
 264                 kfree(dev_priv);
 265                 dev->dev_private = NULL;
 266
 267                 /*destroy VBT data*/
 268                 psb_intel_destroy_bios(dev);
 269         }
 270
 271         gma_power_uninit(dev);
 272
 273         return 0;
 274 }
 275
 276
 277 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 278 {
 279         struct drm_psb_private *dev_priv;
 280         unsigned long resource_start;
 281         struct psb_gtt *pg;
 282         unsigned long irqflags;
 283         int ret = -ENOMEM;
 284         uint32_t tt_pages;
 285         struct drm_connector *connector;
 286         struct psb_intel_encoder *psb_intel_encoder;
 287
 288         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 289         if (dev_priv == NULL)
 290                 return -ENOMEM;
 291
 292         dev_priv->ops = (struct psb_ops *)chipset;
 293         dev_priv->dev = dev;
 294         dev->dev_private = (void *) dev_priv;
 295
 296         pci_set_master(dev->pdev);
 297
 298         if (!IS_PSB(dev)) {
 299                 if (pci_enable_msi(dev->pdev))
 300                         dev_warn(dev->dev, "Enabling MSI failed!\n");
 301         }
 302
 303         dev_priv->num_pipe = dev_priv->ops->pipes;
 304
 305         resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
 306
 307         dev_priv->vdc_reg =
 308             ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
 309         if (!dev_priv->vdc_reg)
 310                 goto out_err;
 311
 312         dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
 313                                                         PSB_SGX_SIZE);
 314         if (!dev_priv->sgx_reg)
 315                 goto out_err;
 316
 317         ret = dev_priv->ops->chip_setup(dev);
 318         if (ret)
 319                 goto out_err;
 320
 321         /* Init OSPM support */
 322         gma_power_init(dev);
 323
 324         ret = -ENOMEM;
 325
 326         dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
 327         if (!dev_priv->scratch_page)
 328                 goto out_err;
 329
 330         set_pages_uc(dev_priv->scratch_page, 1);
 331
 332         ret = psb_gtt_init(dev, 0);
 333         if (ret)
 334                 goto out_err;
 335
 336         dev_priv->mmu = psb_mmu_driver_init((void *)0,
 337                                         drm_psb_trap_pagefaults, 0,
 338                                         dev_priv);
 339         if (!dev_priv->mmu)
 340                 goto out_err;
 341
 342         pg = &dev_priv->gtt;
 343
 344         tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
 345                 (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
 346
 347
 348         dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
 349         if (!dev_priv->pf_pd)
 350                 goto out_err;
 351
 352         psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
 353         psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
 354
 355         ret = psb_do_init(dev);
 356         if (ret)
 357                 return ret;
 358
 359         PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
 360         PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
 361
 362 /*      igd_opregion_init(&dev_priv->opregion_dev); */
 363         acpi_video_register();
 364         if (dev_priv->lid_state)
 365                 psb_lid_timer_init(dev_priv);
 366
 367         ret = drm_vblank_init(dev, dev_priv->num_pipe);
 368         if (ret)
 369                 goto out_err;
 370
 371         /*
 372          * Install interrupt handlers prior to powering off SGX or else we will
 373          * crash.
 374          */
 375         dev_priv->vdc_irq_mask = 0;
 376         dev_priv->pipestat[0] = 0;
 377         dev_priv->pipestat[1] = 0;
 378         dev_priv->pipestat[2] = 0;
 379         spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
 380         PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
 381         PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
 382         PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 383         spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 384         if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
 385                 drm_irq_install(dev);
 386
 387         dev->vblank_disable_allowed = 1;
 388
 389         dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 390
 391         dev->driver->get_vblank_counter = psb_get_vblank_counter;
 392
 393         psb_modeset_init(dev);
 394         psb_fbdev_init(dev);
 395         drm_kms_helper_poll_init(dev);
 396
 397         /* Only add backlight support if we have LVDS output */
 398         list_for_each_entry(connector, &dev->mode_config.connector_list,
 399                             head) {
 400                 psb_intel_encoder = psb_intel_attached_encoder(connector);
 401
 402                 switch (psb_intel_encoder->type) {
 403                 case INTEL_OUTPUT_LVDS:
 404                 case INTEL_OUTPUT_MIPI:
 405                         ret = gma_backlight_init(dev);
 406                         break;
 407                 }
 408         }
 409
 410         if (ret)
 411                 return ret;
 412 #if 0
 413         /*enable runtime pm at last*/
 414         pm_runtime_enable(&dev->pdev->dev);
 415         pm_runtime_set_active(&dev->pdev->dev);
 416 #endif
 417         /*Intel drm driver load is done, continue doing pvr load*/
 418         return 0;
 419 out_err:
 420         psb_driver_unload(dev);
 421         return ret;
 422 }
 423
 424 int psb_driver_device_is_agp(struct drm_device *dev)
 425 {
 426         return 0;
 427 }
 428
 429 static inline void get_brightness(struct backlight_device *bd)
 430 {
 431 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 432         if (bd) {
 433                 bd->props.brightness = bd->ops->get_brightness(bd);
 434                 backlight_update_status(bd);
 435         }
 436 #endif
 437 }
 438
 439 static int psb_dpst_bl_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_adj2 = *arg;
 446         get_brightness(dev_priv->backlight_device);
 447         return 0;
 448 }
 449
 450 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 451                         struct drm_file *file_priv)
 452 {
 453         struct drm_psb_private *dev_priv = psb_priv(dev);
 454         uint32_t *arg = data;
 455
 456         dev_priv->blc_adj1 = *arg;
 457         get_brightness(dev_priv->backlight_device);
 458         return 0;
 459 }
 460
 461 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 462                            struct drm_file *file_priv)
 463 {
 464         struct drm_psb_dpst_lut_arg *lut_arg = data;
 465         struct drm_mode_object *obj;
 466         struct drm_crtc *crtc;
 467         struct drm_connector *connector;
 468         struct psb_intel_crtc *psb_intel_crtc;
 469         int i = 0;
 470         int32_t obj_id;
 471
 472         obj_id = lut_arg->output_id;
 473         obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
 474         if (!obj) {
 475                 dev_dbg(dev->dev, "Invalid Connector object.\n");
 476                 return -EINVAL;
 477         }
 478
 479         connector = obj_to_connector(obj);
 480         crtc = connector->encoder->crtc;
 481         psb_intel_crtc = to_psb_intel_crtc(crtc);
 482
 483         for (i = 0; i < 256; i++)
 484                 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
 485
 486         psb_intel_crtc_load_lut(crtc);
 487
 488         return 0;
 489 }
 490
 491 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 492                                 struct drm_file *file_priv)
 493 {
 494         uint32_t obj_id;
 495         uint16_t op;
 496         struct drm_mode_modeinfo *umode;
 497         struct drm_display_mode *mode = NULL;
 498         struct drm_psb_mode_operation_arg *arg;
 499         struct drm_mode_object *obj;
 500         struct drm_connector *connector;
 501         struct drm_connector_helper_funcs *connector_funcs;
 502         int ret = 0;
 503         int resp = MODE_OK;
 504
 505         arg = (struct drm_psb_mode_operation_arg *)data;
 506         obj_id = arg->obj_id;
 507         op = arg->operation;
 508
 509         switch (op) {
 510         case PSB_MODE_OPERATION_MODE_VALID:
 511                 umode = &arg->mode;
 512
 513                 mutex_lock(&dev->mode_config.mutex);
 514
 515                 obj = drm_mode_object_find(dev, obj_id,
 516                                         DRM_MODE_OBJECT_CONNECTOR);
 517                 if (!obj) {
 518                         ret = -EINVAL;
 519                         goto mode_op_out;
 520                 }
 521
 522                 connector = obj_to_connector(obj);
 523
 524                 mode = drm_mode_create(dev);
 525                 if (!mode) {
 526                         ret = -ENOMEM;
 527                         goto mode_op_out;
 528                 }
 529
 530                 /* drm_crtc_convert_umode(mode, umode); */
 531                 {
 532                         mode->clock = umode->clock;
 533                         mode->hdisplay = umode->hdisplay;
 534                         mode->hsync_start = umode->hsync_start;
 535                         mode->hsync_end = umode->hsync_end;
 536                         mode->htotal = umode->htotal;
 537                         mode->hskew = umode->hskew;
 538                         mode->vdisplay = umode->vdisplay;
 539                         mode->vsync_start = umode->vsync_start;
 540                         mode->vsync_end = umode->vsync_end;
 541                         mode->vtotal = umode->vtotal;
 542                         mode->vscan = umode->vscan;
 543                         mode->vrefresh = umode->vrefresh;
 544                         mode->flags = umode->flags;
 545                         mode->type = umode->type;
 546                         strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
 547                         mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 548                 }
 549
 550                 connector_funcs = (struct drm_connector_helper_funcs *)
 551                                    connector->helper_private;
 552
 553                 if (connector_funcs->mode_valid) {
 554                         resp = connector_funcs->mode_valid(connector, mode);
 555                         arg->data = resp;
 556                 }
 557
 558                 /*do some clean up work*/
 559                 if (mode)
 560                         drm_mode_destroy(dev, mode);
 561 mode_op_out:
 562                 mutex_unlock(&dev->mode_config.mutex);
 563                 return ret;
 564
 565         default:
 566                 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
 567                 return -EOPNOTSUPP;
 568         }
 569
 570         return 0;
 571 }
 572
 573 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 574                                    struct drm_file *file_priv)
 575 {
 576         struct drm_psb_private *dev_priv = psb_priv(dev);
 577         struct drm_psb_stolen_memory_arg *arg = data;
 578
 579         arg->base = dev_priv->stolen_base;
 580         arg->size = dev_priv->vram_stolen_size;
 581
 582         return 0;
 583 }
 584
 585 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
 586 {
 587         return 0;
 588 }
 589
 590 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
 591 {
 592 }
 593
 594 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
 595                                unsigned long arg)
 596 {
 597         struct drm_file *file_priv = filp->private_data;
 598         struct drm_device *dev = file_priv->minor->dev;
 599         struct drm_psb_private *dev_priv = dev->dev_private;
 600         static unsigned int runtime_allowed;
 601
 602         if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
 603                 runtime_allowed++;
 604                 pm_runtime_allow(&dev->pdev->dev);
 605                 dev_priv->rpm_enabled = 1;
 606         }
 607         return drm_ioctl(filp, cmd, arg);
 608         /* FIXME: do we need to wrap the other side of this */
 609 }
 610
 611
 612 /* When a client dies:
 613  *    - Check for and clean up flipped page state
 614  */
 615 void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
 616 {
 617 }
 618
 619 static void psb_remove(struct pci_dev *pdev)
 620 {
 621         struct drm_device *dev = pci_get_drvdata(pdev);
 622         drm_put_dev(dev);
 623 }
 624
 625 static const struct dev_pm_ops psb_pm_ops = {
 626         .resume = gma_power_resume,
 627         .suspend = gma_power_suspend,
 628         .runtime_suspend = psb_runtime_suspend,
 629         .runtime_resume = psb_runtime_resume,
 630         .runtime_idle = psb_runtime_idle,
 631 };
 632
 633 static struct vm_operations_struct psb_gem_vm_ops = {
 634         .fault = psb_gem_fault,
 635         .open = drm_gem_vm_open,
 636         .close = drm_gem_vm_close,
 637 };
 638
 639 static const struct file_operations psb_gem_fops = {
 640         .owner = THIS_MODULE,
 641         .open = drm_open,
 642         .release = drm_release,
 643         .unlocked_ioctl = psb_unlocked_ioctl,
 644         .mmap = drm_gem_mmap,
 645         .poll = drm_poll,
 646         .fasync = drm_fasync,
 647         .read = drm_read,
 648 };
 649
 650 static struct drm_driver driver = {
 651         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
 652                            DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
 653         .load = psb_driver_load,
 654         .unload = psb_driver_unload,
 655
 656         .ioctls = psb_ioctls,
 657         .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
 658         .device_is_agp = psb_driver_device_is_agp,
 659         .irq_preinstall = psb_irq_preinstall,
 660         .irq_postinstall = psb_irq_postinstall,
 661         .irq_uninstall = psb_irq_uninstall,
 662         .irq_handler = psb_irq_handler,
 663         .enable_vblank = psb_enable_vblank,
 664         .disable_vblank = psb_disable_vblank,
 665         .get_vblank_counter = psb_get_vblank_counter,
 666         .lastclose = psb_lastclose,
 667         .open = psb_driver_open,
 668         .preclose = psb_driver_preclose,
 669         .postclose = psb_driver_close,
 670         .reclaim_buffers = drm_core_reclaim_buffers,
 671
 672         .gem_init_object = psb_gem_init_object,
 673         .gem_free_object = psb_gem_free_object,
 674         .gem_vm_ops = &psb_gem_vm_ops,
 675         .dumb_create = psb_gem_dumb_create,
 676         .dumb_map_offset = psb_gem_dumb_map_gtt,
 677         .dumb_destroy = psb_gem_dumb_destroy,
 678         .fops = &psb_gem_fops,
 679         .name = DRIVER_NAME,
 680         .desc = DRIVER_DESC,
 681         .date = PSB_DRM_DRIVER_DATE,
 682         .major = PSB_DRM_DRIVER_MAJOR,
 683         .minor = PSB_DRM_DRIVER_MINOR,
 684         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
 685 };
 686
 687 static struct pci_driver psb_pci_driver = {
 688         .name = DRIVER_NAME,
 689         .id_table = pciidlist,
 690         .probe = psb_probe,
 691         .remove = psb_remove,
 692         .driver.pm = &psb_pm_ops,
 693 };
 694
 695 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 696 {
 697         return drm_get_pci_dev(pdev, ent, &driver);
 698 }
 699
 700 static int __init psb_init(void)
 701 {
 702         return drm_pci_init(&driver, &psb_pci_driver);
 703 }
 704
 705 static void __exit psb_exit(void)
 706 {
 707         drm_pci_exit(&driver, &psb_pci_driver);
 708 }
 709
 710 late_initcall(psb_init);
 711 module_exit(psb_exit);
 712
 713 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
 714 MODULE_DESCRIPTION(DRIVER_DESC);
 715 MODULE_LICENSE("GPL");