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
dri_library_name(struct drm_device * dev,char * buf)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
radeon_suspend(struct drm_device * dev,pm_message_t state)55 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
56 {
57 drm_radeon_private_t *dev_priv = dev->dev_private;
58
59 /* Disable *all* interrupts */
60 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
61 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
62 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
63 return 0;
64 }
65
radeon_resume(struct drm_device * dev)66 static int radeon_resume(struct drm_device *dev)
67 {
68 drm_radeon_private_t *dev_priv = dev->dev_private;
69
70 /* Restore interrupt registers */
71 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
72 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
73 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
74 return 0;
75 }
76
77 static struct pci_device_id pciidlist[] = {
78 radeon_PCI_IDS
79 };
80
81 static struct drm_driver driver = {
82 .driver_features =
83 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
84 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
85 .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
86 .load = radeon_driver_load,
87 .firstopen = radeon_driver_firstopen,
88 .open = radeon_driver_open,
89 .preclose = radeon_driver_preclose,
90 .postclose = radeon_driver_postclose,
91 .lastclose = radeon_driver_lastclose,
92 .unload = radeon_driver_unload,
93 .suspend = radeon_suspend,
94 .resume = radeon_resume,
95 .get_vblank_counter = radeon_get_vblank_counter,
96 .enable_vblank = radeon_enable_vblank,
97 .disable_vblank = radeon_disable_vblank,
98 .dri_library_name = dri_library_name,
99 .master_create = radeon_master_create,
100 .master_destroy = radeon_master_destroy,
101 .irq_preinstall = radeon_driver_irq_preinstall,
102 .irq_postinstall = radeon_driver_irq_postinstall,
103 .irq_uninstall = radeon_driver_irq_uninstall,
104 .irq_handler = radeon_driver_irq_handler,
105 .reclaim_buffers = drm_core_reclaim_buffers,
106 .get_map_ofs = drm_core_get_map_ofs,
107 .get_reg_ofs = drm_core_get_reg_ofs,
108 .ioctls = radeon_ioctls,
109 .dma_ioctl = radeon_cp_buffers,
110 .fops = {
111 .owner = THIS_MODULE,
112 .open = drm_open,
113 .release = drm_release,
114 .ioctl = drm_ioctl,
115 .mmap = drm_mmap,
116 .poll = drm_poll,
117 .fasync = drm_fasync,
118 #ifdef CONFIG_COMPAT
119 .compat_ioctl = radeon_compat_ioctl,
120 #endif
121 },
122
123 .pci_driver = {
124 .name = DRIVER_NAME,
125 .id_table = pciidlist,
126 },
127
128 .name = DRIVER_NAME,
129 .desc = DRIVER_DESC,
130 .date = DRIVER_DATE,
131 .major = DRIVER_MAJOR,
132 .minor = DRIVER_MINOR,
133 .patchlevel = DRIVER_PATCHLEVEL,
134 };
135
radeon_init(void)136 static int __init radeon_init(void)
137 {
138 driver.num_ioctls = radeon_max_ioctl;
139 return drm_init(&driver);
140 }
141
radeon_exit(void)142 static void __exit radeon_exit(void)
143 {
144 drm_exit(&driver);
145 }
146
147 module_init(radeon_init);
148 module_exit(radeon_exit);
149
150 MODULE_AUTHOR(DRIVER_AUTHOR);
151 MODULE_DESCRIPTION(DRIVER_DESC);
152 MODULE_LICENSE("GPL and additional rights");
153