1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
4 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5
6 */
7
8#include "global.h"
9
10int viafb_ioctl_get_viafb_info(u_long arg)
11{
12	struct viafb_ioctl_info viainfo;
13
14	memset(&viainfo, 0, sizeof(struct viafb_ioctl_info));
15
16	viainfo.viafb_id = VIAID;
17	viainfo.vendor_id = PCI_VIA_VENDOR_ID;
18
19	switch (viaparinfo->chip_info->gfx_chip_name) {
20	case UNICHROME_CLE266:
21		viainfo.device_id = UNICHROME_CLE266_DID;
22		break;
23
24	case UNICHROME_K400:
25		viainfo.device_id = UNICHROME_K400_DID;
26		break;
27
28	case UNICHROME_K800:
29		viainfo.device_id = UNICHROME_K800_DID;
30		break;
31
32	case UNICHROME_PM800:
33		viainfo.device_id = UNICHROME_PM800_DID;
34		break;
35
36	case UNICHROME_CN700:
37		viainfo.device_id = UNICHROME_CN700_DID;
38		break;
39
40	case UNICHROME_CX700:
41		viainfo.device_id = UNICHROME_CX700_DID;
42		break;
43
44	case UNICHROME_K8M890:
45		viainfo.device_id = UNICHROME_K8M890_DID;
46		break;
47
48	case UNICHROME_P4M890:
49		viainfo.device_id = UNICHROME_P4M890_DID;
50		break;
51
52	case UNICHROME_P4M900:
53		viainfo.device_id = UNICHROME_P4M900_DID;
54		break;
55	}
56
57	viainfo.version = VERSION_MAJOR;
58	viainfo.revision = VERSION_MINOR;
59
60	if (copy_to_user((void __user *)arg, &viainfo, sizeof(viainfo)))
61		return -EFAULT;
62
63	return 0;
64}
65
66/* Hot-Plug Priority: DVI > CRT*/
67int viafb_ioctl_hotplug(int hres, int vres, int bpp)
68{
69	int DVIsense, status = 0;
70	DEBUG_MSG(KERN_INFO "viafb_ioctl_hotplug!!\n");
71
72	if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name !=
73		NON_TMDS_TRANSMITTER) {
74		DVIsense = viafb_dvi_sense();
75
76		if (DVIsense) {
77			DEBUG_MSG(KERN_INFO "DVI Attached...\n");
78			if (viafb_DeviceStatus != DVI_Device) {
79				viafb_DVI_ON = 1;
80				viafb_CRT_ON = 0;
81				viafb_LCD_ON = 0;
82				viafb_DeviceStatus = DVI_Device;
83				viafb_set_iga_path();
84				return viafb_DeviceStatus;
85			}
86			status = 1;
87		} else
88			DEBUG_MSG(KERN_INFO "DVI De-attached...\n");
89	}
90
91	if ((viafb_DeviceStatus != CRT_Device) && (status == 0)) {
92		viafb_CRT_ON = 1;
93		viafb_DVI_ON = 0;
94		viafb_LCD_ON = 0;
95
96		viafb_DeviceStatus = CRT_Device;
97		viafb_set_iga_path();
98		return viafb_DeviceStatus;
99	}
100
101	return 0;
102}
103