2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
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:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
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.
29 #include "drm_pciids.h"
32 static int dri_library_name(struct drm_device * dev, char * buf)
34 return snprintf(buf, PAGE_SIZE, "unichrome\n");
37 static struct pci_device_id pciidlist[] = {
43 static struct drm_fence_driver via_fence_driver = {
45 .wrap_diff = (1 << 30),
46 .flush_diff = (1 << 20),
47 .sequence_mask = 0xffffffffU,
49 .emit = via_fence_emit_sequence,
50 .poke_flush = via_poke_flush,
51 .has_irq = via_fence_has_irq,
54 #ifdef VIA_HAVE_BUFFER
57 * If there's no thrashing. This is the preferred memory type order.
59 static uint32_t via_mem_prios[] = {DRM_BO_MEM_PRIV0, DRM_BO_MEM_VRAM, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL};
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.
65 static uint32_t via_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_VRAM, DRM_BO_MEM_LOCAL};
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,
82 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
83 static struct drm_driver driver = {
85 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
87 .load = via_driver_load,
88 .unload = via_driver_unload,
89 #ifndef VIA_HAVE_CORE_MM
90 .context_ctor = via_init_context,
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,
108 .get_map_ofs = drm_core_get_map_ofs,
109 .get_reg_ofs = drm_core_get_reg_ofs,
110 .ioctls = via_ioctls,
112 .owner = THIS_MODULE,
114 .release = drm_release,
118 .fasync = drm_fasync,
122 .id_table = pciidlist,
124 .remove = __devexit_p(drm_cleanup_pci),
126 #ifdef VIA_HAVE_FENCE
127 .fence_driver = &via_fence_driver,
129 #ifdef VIA_HAVE_BUFFER
130 .bo_driver = &via_bo_driver,
134 .date = VIA_DRM_DRIVER_DATE,
135 .major = VIA_DRM_DRIVER_MAJOR,
136 .minor = VIA_DRM_DRIVER_MINOR,
137 .patchlevel = VIA_DRM_DRIVER_PATCHLEVEL
140 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
142 return drm_get_dev(pdev, ent, &driver);
145 static int __init via_init(void)
147 driver.num_ioctls = via_max_ioctl;
149 via_init_command_verifier();
150 return drm_init(&driver, pciidlist);
153 static void __exit via_exit(void)
158 module_init(via_init);
159 module_exit(via_exit);
161 MODULE_AUTHOR(DRIVER_AUTHOR);
162 MODULE_DESCRIPTION(DRIVER_DESC);
163 MODULE_LICENSE("GPL and additional rights");