tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22#include "global.h"
23
24int viafb_ioctl_get_viafb_info(u_long arg)
25{
26 struct viafb_ioctl_info viainfo;
27
28 viainfo.viafb_id = VIAID;
29 viainfo.vendor_id = PCI_VIA_VENDOR_ID;
30
31 switch (viaparinfo->chip_info->gfx_chip_name) {
32 case UNICHROME_CLE266:
33 viainfo.device_id = UNICHROME_CLE266_DID;
34 break;
35
36 case UNICHROME_K400:
37 viainfo.device_id = UNICHROME_K400_DID;
38 break;
39
40 case UNICHROME_K800:
41 viainfo.device_id = UNICHROME_K800_DID;
42 break;
43
44 case UNICHROME_PM800:
45 viainfo.device_id = UNICHROME_PM800_DID;
46 break;
47
48 case UNICHROME_CN700:
49 viainfo.device_id = UNICHROME_CN700_DID;
50 break;
51
52 case UNICHROME_CX700:
53 viainfo.device_id = UNICHROME_CX700_DID;
54 break;
55
56 case UNICHROME_K8M890:
57 viainfo.device_id = UNICHROME_K8M890_DID;
58 break;
59
60 case UNICHROME_P4M890:
61 viainfo.device_id = UNICHROME_P4M890_DID;
62 break;
63
64 case UNICHROME_P4M900:
65 viainfo.device_id = UNICHROME_P4M900_DID;
66 break;
67 }
68
69 viainfo.version = VERSION_MAJOR;
70 viainfo.revision = VERSION_MINOR;
71
72 if (copy_to_user((void __user *)arg, &viainfo, sizeof(viainfo)))
73 return -EFAULT;
74
75 return 0;
76}
77
78/* Hot-Plug Priority: DVI > CRT*/
79int viafb_ioctl_hotplug(int hres, int vres, int bpp)
80{
81 int DVIsense, status = 0;
82 DEBUG_MSG(KERN_INFO "viafb_ioctl_hotplug!!\n");
83
84 if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name !=
85 NON_TMDS_TRANSMITTER) {
86 DVIsense = viafb_dvi_sense();
87
88 if (DVIsense) {
89 DEBUG_MSG(KERN_INFO "DVI Attached...\n");
90 if (viafb_DeviceStatus != DVI_Device) {
91 viafb_DVI_ON = 1;
92 viafb_CRT_ON = 0;
93 viafb_LCD_ON = 0;
94 viafb_DeviceStatus = DVI_Device;
95 return viafb_DeviceStatus;
96 }
97 status = 1;
98 } else
99 DEBUG_MSG(KERN_INFO "DVI De-attached...\n");
100 }
101
102 if ((viafb_DeviceStatus != CRT_Device) && (status == 0)) {
103 viafb_CRT_ON = 1;
104 viafb_DVI_ON = 0;
105 viafb_LCD_ON = 0;
106
107 viafb_DeviceStatus = CRT_Device;
108 return viafb_DeviceStatus;
109 }
110
111 return 0;
112}