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	memset(&viainfo, 0, sizeof(struct viafb_ioctl_info));
29
30	viainfo.viafb_id = VIAID;
31	viainfo.vendor_id = PCI_VIA_VENDOR_ID;
32
33	switch (viaparinfo->chip_info->gfx_chip_name) {
34	case UNICHROME_CLE266:
35		viainfo.device_id = UNICHROME_CLE266_DID;
36		break;
37
38	case UNICHROME_K400:
39		viainfo.device_id = UNICHROME_K400_DID;
40		break;
41
42	case UNICHROME_K800:
43		viainfo.device_id = UNICHROME_K800_DID;
44		break;
45
46	case UNICHROME_PM800:
47		viainfo.device_id = UNICHROME_PM800_DID;
48		break;
49
50	case UNICHROME_CN700:
51		viainfo.device_id = UNICHROME_CN700_DID;
52		break;
53
54	case UNICHROME_CX700:
55		viainfo.device_id = UNICHROME_CX700_DID;
56		break;
57
58	case UNICHROME_K8M890:
59		viainfo.device_id = UNICHROME_K8M890_DID;
60		break;
61
62	case UNICHROME_P4M890:
63		viainfo.device_id = UNICHROME_P4M890_DID;
64		break;
65
66	case UNICHROME_P4M900:
67		viainfo.device_id = UNICHROME_P4M900_DID;
68		break;
69	}
70
71	viainfo.version = VERSION_MAJOR;
72	viainfo.revision = VERSION_MINOR;
73
74	if (copy_to_user((void __user *)arg, &viainfo, sizeof(viainfo)))
75		return -EFAULT;
76
77	return 0;
78}
79
80/* Hot-Plug Priority: DVI > CRT*/
81int viafb_ioctl_hotplug(int hres, int vres, int bpp)
82{
83	int DVIsense, status = 0;
84	DEBUG_MSG(KERN_INFO "viafb_ioctl_hotplug!!\n");
85
86	if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name !=
87		NON_TMDS_TRANSMITTER) {
88		DVIsense = viafb_dvi_sense();
89
90		if (DVIsense) {
91			DEBUG_MSG(KERN_INFO "DVI Attached...\n");
92			if (viafb_DeviceStatus != DVI_Device) {
93				viafb_DVI_ON = 1;
94				viafb_CRT_ON = 0;
95				viafb_LCD_ON = 0;
96				viafb_DeviceStatus = DVI_Device;
97				viafb_set_iga_path();
98				return viafb_DeviceStatus;
99			}
100			status = 1;
101		} else
102			DEBUG_MSG(KERN_INFO "DVI De-attached...\n");
103	}
104
105	if ((viafb_DeviceStatus != CRT_Device) && (status == 0)) {
106		viafb_CRT_ON = 1;
107		viafb_DVI_ON = 0;
108		viafb_LCD_ON = 0;
109
110		viafb_DeviceStatus = CRT_Device;
111		viafb_set_iga_path();
112		return viafb_DeviceStatus;
113	}
114
115	return 0;
116}
117