SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/gpu/drm/i915/i915_drv.c

   1 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
   2  */
   3 /*
   4  *
   5  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  23  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  */
  29
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "i915_drm.h"
  33 #include "i915_drv.h"
  34
  35 #include "drm_pciids.h"
  36 #include <linux/console.h>
  37
  38 static unsigned int i915_modeset = -1;
  39 module_param_named(modeset, i915_modeset, int, 0400);
  40
  41 unsigned int i915_fbpercrtc = 0;
  42 module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
  43
  44 static struct pci_device_id pciidlist[] = {
  45         i915_PCI_IDS
  46 };
  47
  48 #if defined(CONFIG_DRM_I915_KMS)
  49 MODULE_DEVICE_TABLE(pci, pciidlist);
  50 #endif
  51
  52 static int i915_suspend(struct drm_device *dev, pm_message_t state)
  53 {
  54         struct drm_i915_private *dev_priv = dev->dev_private;
  55
  56         if (!dev || !dev_priv) {
  57                 printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
  58                 printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
  59                 return -ENODEV;
  60         }
  61
  62         if (state.event == PM_EVENT_PRETHAW)
  63                 return 0;
  64
  65         pci_save_state(dev->pdev);
  66
  67         i915_save_state(dev);
  68
  69         intel_opregion_free(dev);
  70
  71         if (state.event == PM_EVENT_SUSPEND) {
  72                 /* Shut down the device */
  73                 pci_disable_device(dev->pdev);
  74                 pci_set_power_state(dev->pdev, PCI_D3hot);
  75         }
  76
  77         return 0;
  78 }
  79
  80 static int i915_resume(struct drm_device *dev)
  81 {
  82         pci_set_power_state(dev->pdev, PCI_D0);
  83         pci_restore_state(dev->pdev);
  84         if (pci_enable_device(dev->pdev))
  85                 return -1;
  86         pci_set_master(dev->pdev);
  87
  88         i915_restore_state(dev);
  89
  90         intel_opregion_init(dev);
  91
  92         return 0;
  93 }
  94
  95 static struct vm_operations_struct i915_gem_vm_ops = {
  96         .fault = i915_gem_fault,
  97         .open = drm_gem_vm_open,
  98         .close = drm_gem_vm_close,
  99 };
 100
 101 static struct drm_driver driver = {
 102         /* don't use mtrr's here, the Xserver or user space app should
 103          * deal with them for intel hardware.
 104          */
 105         .driver_features =
 106             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
 107             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
 108         .load = i915_driver_load,
 109         .unload = i915_driver_unload,
 110         .open = i915_driver_open,
 111         .lastclose = i915_driver_lastclose,
 112         .preclose = i915_driver_preclose,
 113         .postclose = i915_driver_postclose,
 114         .suspend = i915_suspend,
 115         .resume = i915_resume,
 116         .device_is_agp = i915_driver_device_is_agp,
 117         .enable_vblank = i915_enable_vblank,
 118         .disable_vblank = i915_disable_vblank,
 119         .irq_preinstall = i915_driver_irq_preinstall,
 120         .irq_postinstall = i915_driver_irq_postinstall,
 121         .irq_uninstall = i915_driver_irq_uninstall,
 122         .irq_handler = i915_driver_irq_handler,
 123         .reclaim_buffers = drm_core_reclaim_buffers,
 124         .get_map_ofs = drm_core_get_map_ofs,
 125         .get_reg_ofs = drm_core_get_reg_ofs,
 126         .master_create = i915_master_create,
 127         .master_destroy = i915_master_destroy,
 128         .proc_init = i915_gem_proc_init,
 129         .proc_cleanup = i915_gem_proc_cleanup,
 130         .gem_init_object = i915_gem_init_object,
 131         .gem_free_object = i915_gem_free_object,
 132         .gem_vm_ops = &i915_gem_vm_ops,
 133         .ioctls = i915_ioctls,
 134         .fops = {
 135                  .owner = THIS_MODULE,
 136                  .open = drm_open,
 137                  .release = drm_release,
 138                  .ioctl = drm_ioctl,
 139                  .mmap = drm_gem_mmap,
 140                  .poll = drm_poll,
 141                  .fasync = drm_fasync,
 142 #ifdef CONFIG_COMPAT
 143                  .compat_ioctl = i915_compat_ioctl,
 144 #endif
 145         },
 146
 147         .pci_driver = {
 148                  .name = DRIVER_NAME,
 149                  .id_table = pciidlist,
 150         },
 151
 152         .name = DRIVER_NAME,
 153         .desc = DRIVER_DESC,
 154         .date = DRIVER_DATE,
 155         .major = DRIVER_MAJOR,
 156         .minor = DRIVER_MINOR,
 157         .patchlevel = DRIVER_PATCHLEVEL,
 158 };
 159
 160 static int __init i915_init(void)
 161 {
 162         driver.num_ioctls = i915_max_ioctl;
 163
 164         /*
 165          * If CONFIG_DRM_I915_KMS is set, default to KMS unless
 166          * explicitly disabled with the module pararmeter.
 167          *
 168          * Otherwise, just follow the parameter (defaulting to off).
 169          *
 170          * Allow optional vga_text_mode_force boot option to override
 171          * the default behavior.
 172          */
 173 #if defined(CONFIG_DRM_I915_KMS)
 174         if (i915_modeset != 0)
 175                 driver.driver_features |= DRIVER_MODESET;
 176 #endif
 177         if (i915_modeset == 1)
 178                 driver.driver_features |= DRIVER_MODESET;
 179
 180 #ifdef CONFIG_VGA_CONSOLE
 181         if (vgacon_text_force() && i915_modeset == -1)
 182                 driver.driver_features &= ~DRIVER_MODESET;
 183 #endif
 184
 185         return drm_init(&driver);
 186 }
 187
 188 static void __exit i915_exit(void)
 189 {
 190         drm_exit(&driver);
 191 }
 192
 193 module_init(i915_init);
 194 module_exit(i915_exit);
 195
 196 MODULE_AUTHOR(DRIVER_AUTHOR);
 197 MODULE_DESCRIPTION(DRIVER_DESC);
 198 MODULE_LICENSE("GPL and additional rights");