ioctl.c
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/*
* Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE.See the GNU General Public License
* for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#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;
}