linux-core/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
  37 static struct pci_device_id pciidlist[] = {
  38         i915_PCI_IDS
  39 };
  40
  41 #ifdef I915_HAVE_FENCE
  42 static drm_fence_driver_t i915_fence_driver = {
  43         .no_types = 2,
  44         .wrap_diff = (1 << 30),
  45         .flush_diff = (1 << 29),
  46         .sequence_mask = 0xffffffffU,
  47         .lazy_capable = 1,
  48         .emit = i915_fence_emit_sequence,
  49         .poke_flush = i915_poke_flush,
  50 };
  51 #endif
  52 #ifdef I915_HAVE_BUFFER
  53
  54 static uint32_t i915_mem_prios[] = {DRM_BO_MEM_PRIV0, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL};
  55 static uint32_t i915_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_LOCAL};
  56
  57 static drm_bo_driver_t i915_bo_driver = {
  58         .mem_type_prio = i915_mem_prios,
  59         .mem_busy_prio = i915_busy_prios,
  60         .num_mem_type_prio = sizeof(i915_mem_prios)/sizeof(uint32_t),
  61         .num_mem_busy_prio = sizeof(i915_busy_prios)/sizeof(uint32_t),
  62         .create_ttm_backend_entry = i915_create_ttm_backend_entry,
  63         .fence_type = i915_fence_types,
  64         .invalidate_caches = i915_invalidate_caches,
  65         .init_mem_type = i915_init_mem_type,
  66         .evict_flags = i915_evict_flags,
  67         .move = i915_move,
  68 };
  69 #endif
  70
  71 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  72 static struct drm_driver driver = {
  73         /* don't use mtrr's here, the Xserver or user space app should
  74          * deal with them for intel hardware.
  75          */
  76         .driver_features =
  77             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR | */
  78             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
  79             DRIVER_IRQ_VBL2,
  80         .load = i915_driver_load,
  81         .lastclose = i915_driver_lastclose,
  82         .preclose = i915_driver_preclose,
  83         .device_is_agp = i915_driver_device_is_agp,
  84         .vblank_wait = i915_driver_vblank_wait,
  85         .vblank_wait2 = i915_driver_vblank_wait2,
  86         .irq_preinstall = i915_driver_irq_preinstall,
  87         .irq_postinstall = i915_driver_irq_postinstall,
  88         .irq_uninstall = i915_driver_irq_uninstall,
  89         .irq_handler = i915_driver_irq_handler,
  90         .reclaim_buffers = drm_core_reclaim_buffers,
  91         .get_map_ofs = drm_core_get_map_ofs,
  92         .get_reg_ofs = drm_core_get_reg_ofs,
  93         .ioctls = i915_ioctls,
  94         .fops = {
  95                 .owner = THIS_MODULE,
  96                 .open = drm_open,
  97                 .release = drm_release,
  98                 .ioctl = drm_ioctl,
  99                 .mmap = drm_mmap,
 100                 .poll = drm_poll,
 101                 .fasync = drm_fasync,
 102 #if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
 103                 .compat_ioctl = i915_compat_ioctl,
 104 #endif
 105                 },
 106         .pci_driver = {
 107                 .name = DRIVER_NAME,
 108                 .id_table = pciidlist,
 109                 .probe = probe,
 110                 .remove = __devexit_p(drm_cleanup_pci),
 111                 },
 112 #ifdef I915_HAVE_FENCE
 113         .fence_driver = &i915_fence_driver,
 114 #endif
 115 #ifdef I915_HAVE_BUFFER
 116         .bo_driver = &i915_bo_driver,
 117 #endif
 118         .name = DRIVER_NAME,
 119         .desc = DRIVER_DESC,
 120         .date = DRIVER_DATE,
 121         .major = DRIVER_MAJOR,
 122         .minor = DRIVER_MINOR,
 123         .patchlevel = DRIVER_PATCHLEVEL,
 124 };
 125
 126 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 127 {
 128         return drm_get_dev(pdev, ent, &driver);
 129 }
 130
 131 static int __init i915_init(void)
 132 {
 133         driver.num_ioctls = i915_max_ioctl;
 134         return drm_init(&driver, pciidlist);
 135 }
 136
 137 static void __exit i915_exit(void)
 138 {
 139         drm_exit(&driver);
 140 }
 141
 142 module_init(i915_init);
 143 module_exit(i915_exit);
 144
 145 MODULE_AUTHOR(DRIVER_AUTHOR);
 146 MODULE_DESCRIPTION(DRIVER_DESC);
 147 MODULE_LICENSE("GPL and additional rights");