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[~shefty/rdma-dev.git] / drivers / video / via / ioctl.c
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
24 int 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*/
79 int 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 }