shared-core/via_drv.c

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include "drmP.h"
  26 #include "via_drm.h"
  27 #include "via_drv.h"
  28
  29 #include "drm_pciids.h"
  30
  31
  32 static int dri_library_name(struct drm_device * dev, char * buf)
  33 {
  34         return snprintf(buf, PAGE_SIZE, "unichrome\n");
  35 }
  36
  37 static struct pci_device_id pciidlist[] = {
  38         viadrv_PCI_IDS
  39 };
  40
  41
  42 #ifdef VIA_HAVE_FENCE
  43 static struct drm_fence_driver via_fence_driver = {
  44         .num_classes = 1,
  45         .wrap_diff = (1 << 30),
  46         .flush_diff = (1 << 20),
  47         .sequence_mask = 0xffffffffU,
  48         .lazy_capable = 1,
  49         .emit = via_fence_emit_sequence,
  50         .poke_flush = via_poke_flush,
  51         .has_irq = via_fence_has_irq,
  52 };
  53 #endif
  54 #ifdef VIA_HAVE_BUFFER
  55
  56 /**
  57  * If there's no thrashing. This is the preferred memory type order.
  58  */
  59 static uint32_t via_mem_prios[] = {DRM_BO_MEM_PRIV0, DRM_BO_MEM_VRAM, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL};
  60
  61 /**
  62  * If we have thrashing, most memory will be evicted to TT anyway, so we might as well
  63  * just move the new buffer into TT from the start.
  64  */
  65 static uint32_t via_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_VRAM, DRM_BO_MEM_LOCAL};
  66
  67
  68 static struct drm_bo_driver via_bo_driver = {
  69         .mem_type_prio = via_mem_prios,
  70         .mem_busy_prio = via_busy_prios,
  71         .num_mem_type_prio = ARRAY_SIZE(via_mem_prios),
  72         .num_mem_busy_prio = ARRAY_SIZE(via_busy_prios),
  73         .create_ttm_backend_entry = via_create_ttm_backend_entry,
  74         .fence_type = via_fence_types,
  75         .invalidate_caches = via_invalidate_caches,
  76         .init_mem_type = via_init_mem_type,
  77         .evict_flags = via_evict_flags,
  78         .move = NULL,
  79 };
  80 #endif
  81
  82 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  83 static struct drm_driver driver = {
  84         .driver_features =
  85             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
  86             DRIVER_IRQ_SHARED,
  87         .load = via_driver_load,
  88         .unload = via_driver_unload,
  89 #ifndef VIA_HAVE_CORE_MM
  90         .context_ctor = via_init_context,
  91 #endif
  92         .context_dtor = via_final_context,
  93         .get_vblank_counter = via_get_vblank_counter,
  94         .enable_vblank = via_enable_vblank,
  95         .disable_vblank = via_disable_vblank,
  96         .irq_preinstall = via_driver_irq_preinstall,
  97         .irq_postinstall = via_driver_irq_postinstall,
  98         .irq_uninstall = via_driver_irq_uninstall,
  99         .irq_handler = via_driver_irq_handler,
 100         .dma_quiescent = via_driver_dma_quiescent,
 101         .dri_library_name = dri_library_name,
 102         .reclaim_buffers = drm_core_reclaim_buffers,
 103         .reclaim_buffers_locked = NULL,
 104 #ifdef VIA_HAVE_CORE_MM
 105         .reclaim_buffers_idlelocked = via_reclaim_buffers_locked,
 106         .lastclose = via_lastclose,
 107 #endif
 108         .get_map_ofs = drm_core_get_map_ofs,
 109         .get_reg_ofs = drm_core_get_reg_ofs,
 110         .ioctls = via_ioctls,
 111         .fops = {
 112                 .owner = THIS_MODULE,
 113                 .open = drm_open,
 114                 .release = drm_release,
 115                 .ioctl = drm_ioctl,
 116                 .mmap = drm_mmap,
 117                 .poll = drm_poll,
 118                 .fasync = drm_fasync,
 119                 },
 120         .pci_driver = {
 121                 .name = DRIVER_NAME,
 122                 .id_table = pciidlist,
 123                 .probe = probe,
 124                 .remove = __devexit_p(drm_cleanup_pci),
 125         },
 126 #ifdef VIA_HAVE_FENCE
 127         .fence_driver = &via_fence_driver,
 128 #endif
 129 #ifdef VIA_HAVE_BUFFER
 130         .bo_driver = &via_bo_driver,
 131 #endif
 132         .name = DRIVER_NAME,
 133         .desc = DRIVER_DESC,
 134         .date = VIA_DRM_DRIVER_DATE,
 135         .major = VIA_DRM_DRIVER_MAJOR,
 136         .minor = VIA_DRM_DRIVER_MINOR,
 137         .patchlevel = VIA_DRM_DRIVER_PATCHLEVEL
 138 };
 139
 140 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 141 {
 142         return drm_get_dev(pdev, ent, &driver);
 143 }
 144
 145 static int __init via_init(void)
 146 {
 147         driver.num_ioctls = via_max_ioctl;
 148
 149         via_init_command_verifier();
 150         return drm_init(&driver, pciidlist);
 151 }
 152
 153 static void __exit via_exit(void)
 154 {
 155         drm_exit(&driver);
 156 }
 157
 158 module_init(via_init);
 159 module_exit(via_exit);
 160
 161 MODULE_AUTHOR(DRIVER_AUTHOR);
 162 MODULE_DESCRIPTION(DRIVER_DESC);
 163 MODULE_LICENSE("GPL and additional rights");