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");
42 module_param_named(no_wb, radeon_no_wb, int, 0444);
43 
44 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
45 {
46 	drm_radeon_private_t *dev_priv = dev->dev_private;
47 
48 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
49 		return 0;
50 
51 	/* Disable *all* interrupts */
52 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
53 		RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
54 	RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
55 	return 0;
56 }
57 
58 static int radeon_resume(struct drm_device *dev)
59 {
60 	drm_radeon_private_t *dev_priv = dev->dev_private;
61 
62 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
63 		return 0;
64 
65 	/* Restore interrupt registers */
66 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
67 		RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
68 	RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
69 	return 0;
70 }
71 
72 static struct pci_device_id pciidlist[] = {
73 	radeon_PCI_IDS
74 };
75 
76 static struct drm_driver driver = {
77 	.driver_features =
78 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
79 	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
80 	.dev_priv_size = sizeof(drm_radeon_buf_priv_t),
81 	.load = radeon_driver_load,
82 	.firstopen = radeon_driver_firstopen,
83 	.open = radeon_driver_open,
84 	.preclose = radeon_driver_preclose,
85 	.postclose = radeon_driver_postclose,
86 	.lastclose = radeon_driver_lastclose,
87 	.unload = radeon_driver_unload,
88 	.suspend = radeon_suspend,
89 	.resume = radeon_resume,
90 	.get_vblank_counter = radeon_get_vblank_counter,
91 	.enable_vblank = radeon_enable_vblank,
92 	.disable_vblank = radeon_disable_vblank,
93 	.master_create = radeon_master_create,
94 	.master_destroy = radeon_master_destroy,
95 	.irq_preinstall = radeon_driver_irq_preinstall,
96 	.irq_postinstall = radeon_driver_irq_postinstall,
97 	.irq_uninstall = radeon_driver_irq_uninstall,
98 	.irq_handler = radeon_driver_irq_handler,
99 	.reclaim_buffers = drm_core_reclaim_buffers,
100 	.get_map_ofs = drm_core_get_map_ofs,
101 	.get_reg_ofs = drm_core_get_reg_ofs,
102 	.ioctls = radeon_ioctls,
103 	.dma_ioctl = radeon_cp_buffers,
104 	.fops = {
105 		 .owner = THIS_MODULE,
106 		 .open = drm_open,
107 		 .release = drm_release,
108 		 .ioctl = drm_ioctl,
109 		 .mmap = drm_mmap,
110 		 .poll = drm_poll,
111 		 .fasync = drm_fasync,
112 #ifdef CONFIG_COMPAT
113 		 .compat_ioctl = radeon_compat_ioctl,
114 #endif
115 	},
116 
117 	.pci_driver = {
118 		 .name = DRIVER_NAME,
119 		 .id_table = pciidlist,
120 	},
121 
122 	.name = DRIVER_NAME,
123 	.desc = DRIVER_DESC,
124 	.date = DRIVER_DATE,
125 	.major = DRIVER_MAJOR,
126 	.minor = DRIVER_MINOR,
127 	.patchlevel = DRIVER_PATCHLEVEL,
128 };
129 
130 static int __init radeon_init(void)
131 {
132 	driver.num_ioctls = radeon_max_ioctl;
133 	return drm_init(&driver);
134 }
135 
136 static void __exit radeon_exit(void)
137 {
138 	drm_exit(&driver);
139 }
140 
141 module_init(radeon_init);
142 module_exit(radeon_exit);
143 
144 MODULE_AUTHOR(DRIVER_AUTHOR);
145 MODULE_DESCRIPTION(DRIVER_DESC);
146 MODULE_LICENSE("GPL and additional rights");
147