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path: root/drivers/video/fbdev/via/ioctl.c
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Diffstat (limited to 'drivers/video/fbdev/via/ioctl.c')
-rw-r--r--drivers/video/fbdev/via/ioctl.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/video/fbdev/via/ioctl.c b/drivers/video/fbdev/via/ioctl.c
new file mode 100644
index 0000000000..8b7f765538
--- /dev/null
+++ b/drivers/video/fbdev/via/ioctl.c
@@ -0,0 +1,102 @@
+// 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;
+}