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gerrit-public.fairphone.software / kernel / msm-4.9 / 231d51b8a4d5b24e72112bbc73fdcc38759a26e3 / . / drivers / video / fbdev / via / ioctl.c
blob: ea1c51428823e3bdc14e73bfaefa42dac283b0af [file] [log] [blame]
Joseph Chanc91b5572008-10-15 22:03:24 -0700[diff] [blame]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
Dan Rosenbergb4aaa782010-09-15 19:08:24 -0400[diff] [blame]28 memset(&viainfo, 0, sizeof(struct viafb_ioctl_info));
29
Joseph Chanc91b5572008-10-15 22:03:24 -0700[diff] [blame]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;
Florian Tobias Schandinat661c65c2010-08-10 00:45:06 +0000[diff] [blame]97 viafb_set_iga_path();
Joseph Chanc91b5572008-10-15 22:03:24 -0700[diff] [blame]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;
Florian Tobias Schandinat661c65c2010-08-10 00:45:06 +0000[diff] [blame]111 viafb_set_iga_path();
Joseph Chanc91b5572008-10-15 22:03:24 -0700[diff] [blame]112 return viafb_DeviceStatus;
113 }
114
115 return 0;
116}