103 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*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 } else88 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