| 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(to: (void __user *)arg, from: &viainfo, n: 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 |