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 10 int 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*/ 67 int 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