1 /**
2  * \file radeon_drv.c
3  * ATI Radeon driver
4  *
5  * \author Gareth Hughes <gareth@valinux.com>
6  */
7 
8 /*
9  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10  * All Rights Reserved.
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a
13  * copy of this software and associated documentation files (the "Software"),
14  * to deal in the Software without restriction, including without limitation
15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16  * and/or sell copies of the Software, and to permit persons to whom the
17  * Software is furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice (including the next
20  * paragraph) shall be included in all copies or substantial portions of the
21  * Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
26  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29  * OTHER DEALINGS IN THE SOFTWARE.
30  */
31 
32 #include "drmP.h"
33 #include "drm.h"
34 #include "radeon_drm.h"
35 #include "radeon_drv.h"
36 
37 #include "drm_pciids.h"
38 
39 int radeon_no_wb;
40 
41 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers\n");
42 module_param_named(no_wb, radeon_no_wb, int, 0444);
43 
44 static int dri_library_name(struct drm_device *dev, char *buf)
45 {
46 	drm_radeon_private_t *dev_priv = dev->dev_private;
47 	int family = dev_priv->flags & RADEON_FAMILY_MASK;
48 
49 	return snprintf(buf, PAGE_SIZE, "%s\n",
50 		        (family < CHIP_R200) ? "radeon" :
51 		        ((family < CHIP_R300) ? "r200" :
52 		        "r300"));
53 }
54 
55 static struct pci_device_id pciidlist[] = {
56 	radeon_PCI_IDS
57 };
58 
59 static struct drm_driver driver = {
60 	.driver_features =
61 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
62 	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED |
63 	    DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2,
64 	.dev_priv_size = sizeof(drm_radeon_buf_priv_t),
65 	.load = radeon_driver_load,
66 	.firstopen = radeon_driver_firstopen,
67 	.open = radeon_driver_open,
68 	.preclose = radeon_driver_preclose,
69 	.postclose = radeon_driver_postclose,
70 	.lastclose = radeon_driver_lastclose,
71 	.unload = radeon_driver_unload,
72 	.vblank_wait = radeon_driver_vblank_wait,
73 	.vblank_wait2 = radeon_driver_vblank_wait2,
74 	.dri_library_name = dri_library_name,
75 	.irq_preinstall = radeon_driver_irq_preinstall,
76 	.irq_postinstall = radeon_driver_irq_postinstall,
77 	.irq_uninstall = radeon_driver_irq_uninstall,
78 	.irq_handler = radeon_driver_irq_handler,
79 	.reclaim_buffers = drm_core_reclaim_buffers,
80 	.get_map_ofs = drm_core_get_map_ofs,
81 	.get_reg_ofs = drm_core_get_reg_ofs,
82 	.ioctls = radeon_ioctls,
83 	.dma_ioctl = radeon_cp_buffers,
84 	.fops = {
85 		 .owner = THIS_MODULE,
86 		 .open = drm_open,
87 		 .release = drm_release,
88 		 .ioctl = drm_ioctl,
89 		 .mmap = drm_mmap,
90 		 .poll = drm_poll,
91 		 .fasync = drm_fasync,
92 #ifdef CONFIG_COMPAT
93 		 .compat_ioctl = radeon_compat_ioctl,
94 #endif
95 	},
96 
97 	.pci_driver = {
98 		 .name = DRIVER_NAME,
99 		 .id_table = pciidlist,
100 	},
101 
102 	.name = DRIVER_NAME,
103 	.desc = DRIVER_DESC,
104 	.date = DRIVER_DATE,
105 	.major = DRIVER_MAJOR,
106 	.minor = DRIVER_MINOR,
107 	.patchlevel = DRIVER_PATCHLEVEL,
108 };
109 
110 static int __init radeon_init(void)
111 {
112 	driver.num_ioctls = radeon_max_ioctl;
113 	return drm_init(&driver);
114 }
115 
116 static void __exit radeon_exit(void)
117 {
118 	drm_exit(&driver);
119 }
120 
121 module_init(radeon_init);
122 module_exit(radeon_exit);
123 
124 MODULE_AUTHOR(DRIVER_AUTHOR);
125 MODULE_DESCRIPTION(DRIVER_DESC);
126 MODULE_LICENSE("GPL and additional rights");
127