// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.

 */

#include "global.h"

int viafb_ioctl_get_viafb_info(u_long arg)
{
        struct viafb_ioctl_info viainfo;

        memset(&viainfo, 0, sizeof(struct viafb_ioctl_info));

        viainfo.viafb_id = VIAID;
        viainfo.vendor_id = PCI_VIA_VENDOR_ID;

        switch (viaparinfo->chip_info->gfx_chip_name) {
        case UNICHROME_CLE266:
                viainfo.device_id = UNICHROME_CLE266_DID;
                break;

        case UNICHROME_K400:
                viainfo.device_id = UNICHROME_K400_DID;
                break;

        case UNICHROME_K800:
                viainfo.device_id = UNICHROME_K800_DID;
                break;

        case UNICHROME_PM800:
                viainfo.device_id = UNICHROME_PM800_DID;
                break;

        case UNICHROME_CN700:
                viainfo.device_id = UNICHROME_CN700_DID;
                break;

        case UNICHROME_CX700:
                viainfo.device_id = UNICHROME_CX700_DID;
                break;

        case UNICHROME_K8M890:
                viainfo.device_id = UNICHROME_K8M890_DID;
                break;

        case UNICHROME_P4M890:
                viainfo.device_id = UNICHROME_P4M890_DID;
                break;

        case UNICHROME_P4M900:
                viainfo.device_id = UNICHROME_P4M900_DID;
                break;
        }

        viainfo.version = VERSION_MAJOR;
        viainfo.revision = VERSION_MINOR;

        if (copy_to_user((void __user *)arg, &viainfo, sizeof(viainfo)))
                return -EFAULT;

        return 0;
}

/* Hot-Plug Priority: DVI > CRT*/
int viafb_ioctl_hotplug(int hres, int vres, int bpp)
{
        int DVIsense, status = 0;
        DEBUG_MSG(KERN_INFO "viafb_ioctl_hotplug!!\n");

        if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name !=
                NON_TMDS_TRANSMITTER) {
                DVIsense = viafb_dvi_sense();

                if (DVIsense) {
                        DEBUG_MSG(KERN_INFO "DVI Attached...\n");
                        if (viafb_DeviceStatus != DVI_Device) {
                                viafb_DVI_ON = 1;
                                viafb_CRT_ON = 0;
                                viafb_LCD_ON = 0;
                                viafb_DeviceStatus = DVI_Device;
                                viafb_set_iga_path();
                                return viafb_DeviceStatus;
                        }
                        status = 1;
                } else
                        DEBUG_MSG(KERN_INFO "DVI De-attached...\n");
        }

        if ((viafb_DeviceStatus != CRT_Device) && (status == 0)) {
                viafb_CRT_ON = 1;
                viafb_DVI_ON = 0;
                viafb_LCD_ON = 0;

                viafb_DeviceStatus = CRT_Device;
                viafb_set_iga_path();
                return viafb_DeviceStatus;
        }

        return 0;
}