---

yaml
---
r: 114833
b: refs/heads/master
c: c91b557
h: refs/heads/master
i:
  114831: dcdf4d1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d61e0bf38e3e4adb2c775d64e447f6f9bef67075
+refs/heads/master: c91b557ad0a4d4803874f8b908aa9732152b0f0b

trunk/drivers/video/via/iface.c

@@ -0,0 +1,78 @@
+/*
+ * 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"
+
+/* Get frame buffer size from VGA BIOS */
+
+unsigned int viafb_get_memsize(void)
+{
+	unsigned int m;
+
+	/* If memory size provided by user */
+	if (viafb_memsize)
+		m = viafb_memsize * Mb;
+	else {
+		m = (unsigned int)viafb_read_reg(VIASR, SR39);
+		m = m * (4 * Mb);
+
+		if ((m < (16 * Mb)) || (m > (64 * Mb)))
+			m = 16 * Mb;
+	}
+	DEBUG_MSG(KERN_INFO "framebuffer size = %d Mb\n", m / Mb);
+	return m;
+}
+
+/* Get Video Buffer Starting Physical Address(back door)*/
+
+unsigned long viafb_get_videobuf_addr(void)
+{
+	struct pci_dev *pdev = NULL;
+	unsigned char sys_mem;
+	unsigned char video_mem;
+	unsigned long sys_mem_size;
+	unsigned long video_mem_size;
+	/*system memory = 256 MB, video memory 64 MB */
+	unsigned long vmem_starting_adr = 0x0C000000;
+
+	pdev =
+	    (struct pci_dev *)pci_get_device(VIA_K800_BRIDGE_VID,
+					     VIA_K800_BRIDGE_DID, NULL);
+	if (pdev != NULL) {
+		pci_read_config_byte(pdev, VIA_K800_SYSTEM_MEMORY_REG,
+				     &sys_mem);
+		pci_read_config_byte(pdev, VIA_K800_VIDEO_MEMORY_REG,
+				     &video_mem);
+		video_mem = (video_mem & 0x70) >> 4;
+		sys_mem_size = ((unsigned long)sys_mem) << 24;
+		if (video_mem != 0)
+			video_mem_size = (1 << (video_mem)) * 1024 * 1024;
+		else
+			video_mem_size = 0;
+
+		vmem_starting_adr = sys_mem_size - video_mem_size;
+		pci_dev_put(pdev);
+	}
+
+	DEBUG_MSG(KERN_INFO "Video Memory Starting Address = %lx \n",
+		  vmem_starting_adr);
+	return vmem_starting_adr;
+}

trunk/drivers/video/via/iface.h

@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+#ifndef __IFACE_H__
+#define __IFACE_H__
+
+#define Kb  (1024)
+#define Mb  (Kb*Kb)
+
+#define VIA_K800_BRIDGE_VID         0x1106
+#define VIA_K800_BRIDGE_DID         0x3204
+
+#define VIA_K800_SYSTEM_MEMORY_REG  0x47
+#define VIA_K800_VIDEO_MEMORY_REG   0xA1
+
+extern int viafb_memsize;
+unsigned int viafb_get_memsize(void);
+unsigned long viafb_get_videobuf_addr(void);
+
+#endif /* __IFACE_H__ */

trunk/drivers/video/via/ioctl.c

@@ -0,0 +1,112 @@
+/*
+ * 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;
+
+	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;
+				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;
+		return viafb_DeviceStatus;
+	}
+
+	return 0;
+}