--- /dev/null
+From: Bruce Chang<BruceChang@via.com.tw>
+Subject: add Via chrome9 drm support
+Patch-mainline: 2.6.29
+
+Signed-off-by: Bruce Chang<BruceChang@via.com.tw>
+Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
+
+---
+ drivers/gpu/drm/Kconfig | 7
+ drivers/gpu/drm/Makefile | 1
+ drivers/gpu/drm/via_chrome9/Makefile | 8
+ drivers/gpu/drm/via_chrome9/via_chrome9_3d_reg.h | 407 ++++++
+ drivers/gpu/drm/via_chrome9/via_chrome9_dma.c | 1285 +++++++++++++++++++++
+ drivers/gpu/drm/via_chrome9/via_chrome9_dma.h | 69 +
+ drivers/gpu/drm/via_chrome9/via_chrome9_drm.c | 950 +++++++++++++++
+ drivers/gpu/drm/via_chrome9/via_chrome9_drm.h | 443 +++++++
+ drivers/gpu/drm/via_chrome9/via_chrome9_drv.c | 224 +++
+ drivers/gpu/drm/via_chrome9/via_chrome9_drv.h | 150 ++
+ drivers/gpu/drm/via_chrome9/via_chrome9_mm.c | 435 +++++++
+ drivers/gpu/drm/via_chrome9/via_chrome9_mm.h | 67 +
+ drivers/gpu/drm/via_chrome9/via_chrome9_verifier.c | 982 ++++++++++++++++
+ drivers/gpu/drm/via_chrome9/via_chrome9_verifier.h | 61
+ 14 files changed, 5089 insertions(+)
+
+--- a/drivers/gpu/drm/Kconfig
++++ b/drivers/gpu/drm/Kconfig
+@@ -99,6 +99,13 @@ config DRM_VIA
+ Choose this option if you have a Via unichrome or compatible video
+ chipset. If M is selected the module will be called via.
+
++config DRM_VIA_CHROME9
++ tristate "Via chrome9 video cards"
++ depends on DRM
++ help
++ Choose this option if you have a Via chrome9 or compatible video
++ chipset. If M is selected the module will be called via_chrome9.
++
+ config DRM_SAVAGE
+ tristate "Savage video cards"
+ depends on DRM
+--- a/drivers/gpu/drm/Makefile
++++ b/drivers/gpu/drm/Makefile
+@@ -23,4 +23,5 @@ obj-$(CONFIG_DRM_I915) += i915/
+ obj-$(CONFIG_DRM_SIS) += sis/
+ obj-$(CONFIG_DRM_SAVAGE)+= savage/
+ obj-$(CONFIG_DRM_VIA) +=via/
++obj-$(CONFIG_DRM_VIA_CHROME9) +=via_chrome9/
+
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/Makefile
+@@ -0,0 +1,8 @@
++#
++# Makefile for the drm device driver. This driver provides support for the
++# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
++
++ccflags-y := -Iinclude/drm
++via_chrome9-y := via_chrome9_drv.o via_chrome9_drm.o via_chrome9_mm.o via_chrome9_dma.o via_chrome9_verifier.o
++
++obj-$(CONFIG_DRM_VIA_CHROME9) += via_chrome9.o
+\ No newline at end of file
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_3d_reg.h
+@@ -0,0 +1,407 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++
++#ifndef VIA_CHROME9_3D_REG_H
++#define VIA_CHROME9_3D_REG_H
++#define GetMMIORegister(base, offset) \
++ (*(__volatile__ unsigned int *)(void *)(((unsigned char *)(base)) + \
++ (offset)))
++#define SetMMIORegister(base, offset, val) \
++ (*(__volatile__ unsigned int *)(void *)(((unsigned char *)(base)) + \
++ (offset)) = (val))
++
++#define GetMMIORegisterU8(base, offset) \
++ (*(__volatile__ unsigned char *)(void *)(((unsigned char *)(base)) + \
++ (offset)))
++#define SetMMIORegisterU8(base, offset, val) \
++ (*(__volatile__ unsigned char *)(void *)(((unsigned char *)(base)) + \
++ (offset)) = (val))
++
++#define BCI_SEND(bci, value) (*(bci)++ = (unsigned long)(value))
++#define BCI_SET_STREAM_REGISTER(bci_base, bci_index, reg_value) \
++do { \
++ unsigned long cmd; \
++ \
++ cmd = (0x90000000 \
++ | (1<<16) /* stream processor register */ \
++ | (bci_index & 0x3FFC)); /* MMIO register address */ \
++ BCI_SEND(bci_base, cmd); \
++ BCI_SEND(bci_base, reg_value); \
++ } while (0)
++
++/* Command Header Type */
++
++#define INV_AGPHeader0 0xFE000000
++#define INV_AGPHeader1 0xFE010000
++#define INV_AGPHeader2 0xFE020000
++#define INV_AGPHeader3 0xFE030000
++#define INV_AGPHeader4 0xFE040000
++#define INV_AGPHeader5 0xFE050000
++#define INV_AGPHeader6 0xFE060000
++#define INV_AGPHeader7 0xFE070000
++#define INV_AGPHeader82 0xFE820000
++#define INV_AGPHeader_MASK 0xFFFF0000
++#define INV_DUMMY_MASK 0xFF000000
++
++/*send pause address of AGP ring command buffer via_chrome9 this IO port*/
++#define INV_REG_PCIPAUSE 0x294
++#define INV_REG_PCIPAUSE_ENABLE 0x4
++
++#define INV_CMDBUF_THRESHOLD (8)
++#define INV_QW_PAUSE_ALIGN 0x40
++
++/* Transmission IO Space*/
++#define INV_REG_CR_TRANS 0x041C
++#define INV_REG_CR_BEGIN 0x0420
++#define INV_REG_CR_END 0x0438
++
++#define INV_REG_3D_TRANS 0x043C
++#define INV_REG_3D_BEGIN 0x0440
++#define INV_REG_3D_END 0x06FC
++#define INV_REG_23D_WAIT 0x326C
++/*3D / 2D ID Control (Only For Group A)*/
++#define INV_REG_2D3D_ID_CTRL 0x060
++
++
++/* Engine Status */
++
++#define INV_RB_ENG_STATUS 0x0400
++#define INV_ENG_BUSY_HQV0 0x00040000
++#define INV_ENG_BUSY_HQV1 0x00020000
++#define INV_ENG_BUSY_CR 0x00000010
++#define INV_ENG_BUSY_MPEG 0x00000008
++#define INV_ENG_BUSY_VQ 0x00000004
++#define INV_ENG_BUSY_2D 0x00000002
++#define INV_ENG_BUSY_3D 0x00001FE1
++#define INV_ENG_BUSY_ALL \
++ (INV_ENG_BUSY_2D | INV_ENG_BUSY_3D | INV_ENG_BUSY_CR)
++
++/* Command Queue Status*/
++#define INV_RB_VQ_STATUS 0x0448
++#define INV_VQ_FULL 0x40000000
++
++/* AGP command buffer pointer current position*/
++#define INV_RB_AGPCMD_CURRADDR 0x043C
++
++/* AGP command buffer status*/
++#define INV_RB_AGPCMD_STATUS 0x0444
++#define INV_AGPCMD_InPause 0x80000000
++
++/*AGP command buffer pause address*/
++#define INV_RB_AGPCMD_PAUSEADDR 0x045C
++
++/*AGP command buffer jump address*/
++#define INV_RB_AGPCMD_JUMPADDR 0x0460
++
++/*AGP command buffer start address*/
++#define INV_RB_AGPCMD_STARTADDR 0x0464
++
++
++/* Constants */
++#define NUMBER_OF_EVENT_TAGS 1024
++#define NUMBER_OF_APERTURES_CLB 16
++
++/* Register definition */
++#define HW_SHADOW_ADDR 0x8520
++#define HW_GARTTABLE_ADDR 0x8540
++
++#define INV_HSWFlag_DBGMASK 0x00000FFF
++#define INV_HSWFlag_ENCODEMASK 0x007FFFF0
++#define INV_HSWFlag_ADDRSHFT 8
++#define INV_HSWFlag_DECODEMASK \
++ (INV_HSWFlag_ENCODEMASK << INV_HSWFlag_ADDRSHFT)
++#define INV_HSWFlag_ADDR_ENCODE(x) 0xCC000000
++#define INV_HSWFlag_ADDR_DECODE(x) \
++ (((unsigned int)x & INV_HSWFlag_DECODEMASK) >> INV_HSWFlag_ADDRSHFT)
++
++
++#define INV_SubA_HAGPBstL 0x60000000
++#define INV_SubA_HAGPBstH 0x61000000
++#define INV_SubA_HAGPBendL 0x62000000
++#define INV_SubA_HAGPBendH 0x63000000
++#define INV_SubA_HAGPBpL 0x64000000
++#define INV_SubA_HAGPBpID 0x65000000
++#define INV_HAGPBpID_PAUSE 0x00000000
++#define INV_HAGPBpID_JUMP 0x00000100
++#define INV_HAGPBpID_STOP 0x00000200
++
++#define INV_HAGPBpH_MASK 0x000000FF
++#define INV_HAGPBpH_SHFT 0
++
++#define INV_SubA_HAGPBjumpL 0x66000000
++#define INV_SubA_HAGPBjumpH 0x67000000
++#define INV_HAGPBjumpH_MASK 0x000000FF
++#define INV_HAGPBjumpH_SHFT 0
++
++#define INV_SubA_HFthRCM 0x68000000
++#define INV_HFthRCM_MASK 0x003F0000
++#define INV_HFthRCM_SHFT 16
++#define INV_HFthRCM_8 0x00080000
++#define INV_HFthRCM_10 0x000A0000
++#define INV_HFthRCM_18 0x00120000
++#define INV_HFthRCM_24 0x00180000
++#define INV_HFthRCM_32 0x00200000
++
++#define INV_HAGPBClear 0x00000008
++
++#define INV_HRSTTrig_RestoreAGP 0x00000004
++#define INV_HRSTTrig_RestoreAll 0x00000002
++#define INV_HAGPBTrig 0x00000001
++
++#define INV_ParaSubType_MASK 0xff000000
++#define INV_ParaType_MASK 0x00ff0000
++#define INV_ParaOS_MASK 0x0000ff00
++#define INV_ParaAdr_MASK 0x000000ff
++#define INV_ParaSubType_SHIFT 24
++#define INV_ParaType_SHIFT 16
++#define INV_ParaOS_SHIFT 8
++#define INV_ParaAdr_SHIFT 0
++
++#define INV_ParaType_Vdata 0x00000000
++#define INV_ParaType_Attr 0x00010000
++#define INV_ParaType_Tex 0x00020000
++#define INV_ParaType_Pal 0x00030000
++#define INV_ParaType_FVF 0x00040000
++#define INV_ParaType_PreCR 0x00100000
++#define INV_ParaType_CR 0x00110000
++#define INV_ParaType_Cfg 0x00fe0000
++#define INV_ParaType_Dummy 0x00300000
++
++#define INV_SubType_Tex0 0x00000000
++#define INV_SubType_Tex1 0x00000001
++#define INV_SubType_Tex2 0x00000002
++#define INV_SubType_Tex3 0x00000003
++#define INV_SubType_Tex4 0x00000004
++#define INV_SubType_Tex5 0x00000005
++#define INV_SubType_Tex6 0x00000006
++#define INV_SubType_Tex7 0x00000007
++#define INV_SubType_General 0x000000fe
++#define INV_SubType_TexSample 0x00000020
++
++#define INV_HWBasL_MASK 0x00FFFFFF
++#define INV_HWBasH_MASK 0xFF000000
++#define INV_HWBasH_SHFT 24
++#define INV_HWBasL(x) ((unsigned int)(x) & INV_HWBasL_MASK)
++#define INV_HWBasH(x) ((unsigned int)(x) >> INV_HWBasH_SHFT)
++#define INV_HWBas256(x) ((unsigned int)(x) >> 8)
++#define INV_HWPit32(x) ((unsigned int)(x) >> 5)
++
++/* Read Back Register Setting */
++#define INV_SubA_HSetRBGID 0x02000000
++#define INV_HSetRBGID_CR 0x00000000
++#define INV_HSetRBGID_FE 0x00000001
++#define INV_HSetRBGID_PE 0x00000002
++#define INV_HSetRBGID_RC 0x00000003
++#define INV_HSetRBGID_PS 0x00000004
++#define INV_HSetRBGID_XE 0x00000005
++#define INV_HSetRBGID_BE 0x00000006
++
++
++struct drm_clb_event_tag_info {
++ unsigned int *linear_address;
++ unsigned int *event_tag_linear_address;
++ int usage[NUMBER_OF_EVENT_TAGS];
++ unsigned int pid[NUMBER_OF_EVENT_TAGS];
++};
++
++static inline int is_agp_header(unsigned int data)
++{
++ switch (data & INV_AGPHeader_MASK) {
++ case INV_AGPHeader0:
++ case INV_AGPHeader1:
++ case INV_AGPHeader2:
++ case INV_AGPHeader3:
++ case INV_AGPHeader4:
++ case INV_AGPHeader5:
++ case INV_AGPHeader6:
++ case INV_AGPHeader7:
++ return 1;
++ default:
++ return 0;
++ }
++}
++
++/* Header0: 2D */
++#define ADDCmdHeader0_INVI(pCmd, dwCount) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader0; \
++ *(pCmd)++ = (dwCount); \
++ *(pCmd)++ = 0; \
++ *(pCmd)++ = (unsigned int)INV_HSWFlag_ADDR_ENCODE(pCmd); \
++}
++
++/* Header1: 2D */
++#define ADDCmdHeader1_INVI(pCmd, dwAddr, dwCount) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader1 | (dwAddr); \
++ *(pCmd)++ = (dwCount); \
++ *(pCmd)++ = 0; \
++ *(pCmd)++ = (unsigned int)INV_HSWFlag_ADDR_ENCODE(pCmd); \
++}
++
++/* Header2: CR/3D */
++#define ADDCmdHeader2_INVI(pCmd, dwAddr, dwType) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned int)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader2 | ((dwAddr)+4); \
++ *(pCmd)++ = (dwAddr); \
++ *(pCmd)++ = (dwType); \
++ *(pCmd)++ = (unsigned int)INV_HSWFlag_ADDR_ENCODE(pCmd); \
++}
++
++/* Header2: CR/3D with SW Flag */
++#define ADDCmdHeader2_SWFlag_INVI(pCmd, dwAddr, dwType, dwSWFlag) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader2 | ((dwAddr)+4); \
++ *(pCmd)++ = (dwAddr); \
++ *(pCmd)++ = (dwType); \
++ *(pCmd)++ = (dwSWFlag); \
++}
++
++
++/* Header3: 3D */
++#define ADDCmdHeader3_INVI(pCmd, dwType, dwStart, dwCount) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader3 | INV_REG_3D_TRANS; \
++ *(pCmd)++ = (dwCount); \
++ *(pCmd)++ = (dwType) | ((dwStart) & 0xFFFF); \
++ *(pCmd)++ = (unsigned int)INV_HSWFlag_ADDR_ENCODE(pCmd); \
++}
++
++/* Header3: 3D with SW Flag */
++#define ADDCmdHeader3_SWFlag_INVI(pCmd, dwType, dwStart, dwSWFlag, dwCount) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader3 | INV_REG_3D_TRANS; \
++ *(pCmd)++ = (dwCount); \
++ *(pCmd)++ = (dwType) | ((dwStart) & 0xFFFF); \
++ *(pCmd)++ = (dwSWFlag); \
++}
++
++/* Header4: DVD */
++#define ADDCmdHeader4_INVI(pCmd, dwAddr, dwCount, id) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader4 | (dwAddr); \
++ *(pCmd)++ = (dwCount); \
++ *(pCmd)++ = (id); \
++ *(pCmd)++ = 0; \
++}
++
++/* Header5: DVD */
++#define ADDCmdHeader5_INVI(pCmd, dwQWcount, id) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader5; \
++ *(pCmd)++ = (dwQWcount); \
++ *(pCmd)++ = (id); \
++ *(pCmd)++ = 0; \
++}
++
++/* Header6: DEBUG */
++#define ADDCmdHeader6_INVI(pCmd) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader6; \
++ *(pCmd)++ = 0; \
++ *(pCmd)++ = 0; \
++ *(pCmd)++ = 0; \
++}
++
++/* Header7: DMA */
++#define ADDCmdHeader7_INVI(pCmd, dwQWcount, id) \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader7; \
++ *(pCmd)++ = (dwQWcount); \
++ *(pCmd)++ = (id); \
++ *(pCmd)++ = 0; \
++}
++
++/* Header82: Branch buffer */
++#define ADDCmdHeader82_INVI(pCmd, dwAddr, dwType); \
++{ \
++ /* 4 unsigned int align, insert NULL Command for padding */ \
++ while (((unsigned long *)(pCmd)) & 0xF) { \
++ *(pCmd)++ = 0xCC000000; \
++ } \
++ *(pCmd)++ = INV_AGPHeader82 | ((dwAddr)+4); \
++ *(pCmd)++ = (dwAddr); \
++ *(pCmd)++ = (dwType); \
++ *(pCmd)++ = 0xCC000000; \
++}
++
++
++#define ADD2DCmd_INVI(pCmd, dwAddr, dwCmd) \
++{ \
++ *(pCmd)++ = (dwAddr); \
++ *(pCmd)++ = (dwCmd); \
++}
++
++#define ADDCmdData_INVI(pCmd, dwCmd) (*(pCmd)++ = (dwCmd))
++
++#define ADDCmdDataStream_INVI(pCmdBuf, pCmd, dwCount) \
++{ \
++ memcpy((pCmdBuf), (pCmd), ((dwCount)<<2)); \
++ (pCmdBuf) += (dwCount); \
++}
++
++#endif
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_dma.c
+@@ -0,0 +1,1285 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++
++#include "drmP.h"
++#include "drm.h"
++#include "via_chrome9_drm.h"
++#include "via_chrome9_drv.h"
++#include "via_chrome9_3d_reg.h"
++#include "via_chrome9_dma.h"
++
++#define NULLCOMMANDNUMBER 256
++unsigned int NULL_COMMAND_INV[4] =
++ { 0xCC000000, 0xCD000000, 0xCE000000, 0xCF000000 };
++
++void
++via_chrome9ke_assert(int a)
++{
++}
++
++unsigned int
++ProtectSizeValue(unsigned int size)
++{
++ unsigned int i;
++ for (i = 0; i < 8; i++)
++ if ((size > (1 << (i + 12)))
++ && (size <= (1 << (i + 13))))
++ return i + 1;
++ return 0;
++}
++
++void via_chrome9_dma_init_inv(struct drm_device *dev)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ dev_priv->dma_manager;
++
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ unsigned int *pGARTTable;
++ unsigned int i, entries, GARTOffset;
++ unsigned char sr6a, sr6b, sr6c, sr6f, sr7b;
++ unsigned int *addrlinear;
++ unsigned int size, alignedoffset;
++
++ entries = dev_priv->pagetable_map.pagetable_size /
++ sizeof(unsigned int);
++ pGARTTable = dev_priv->pagetable_map.pagetable_handle;
++
++ GARTOffset = dev_priv->pagetable_map.pagetable_offset;
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c &= (~0x80);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ sr6a = (unsigned char)((GARTOffset & 0xff000) >> 12);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6a);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6a);
++
++ sr6b = (unsigned char)((GARTOffset & 0xff00000) >> 20);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6b);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6b);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c |= ((unsigned char)((GARTOffset >> 28) & 0x01));
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x7b);
++ sr7b = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr7b &= (~0x0f);
++ sr7b |= ProtectSizeValue(dev_priv->
++ pagetable_map.pagetable_size);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr7b);
++
++ for (i = 0; i < entries; i++)
++ writel(0x80000000, pGARTTable+i);
++
++ /*flush*/
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6f);
++ do {
++ sr6f = GetMMIORegisterU8(dev_priv->mmio->handle,
++ 0x83c5);
++ } while (sr6f & 0x80);
++
++ sr6f |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6f);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ if (dev_priv->drm_agp_type != DRM_AGP_DISABLED) {
++ size = lpcmDMAManager->DMASize * sizeof(unsigned int) +
++ dev_priv->agp_size;
++ alignedoffset = 0;
++ entries = (size + PAGE_SIZE - 1) / PAGE_SIZE;
++ addrlinear =
++ (unsigned int *)dev_priv->pcie_vmalloc_nocache;
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c =
++ GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c &= (~0x80);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6f);
++ do {
++ sr6f = GetMMIORegisterU8(dev_priv->mmio->handle,
++ 0x83c5);
++ } while (sr6f & 0x80);
++
++ for (i = 0; i < entries; i++)
++ writel(page_to_pfn(vmalloc_to_page(
++ (void *)addrlinear + PAGE_SIZE * i)) &
++ 0x3fffffff, pGARTTable + i + alignedoffset);
++
++ sr6f |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6f);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c =
++ GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++ }
++
++ }
++
++ if (dev_priv->drm_agp_type == DRM_AGP_DOUBLE_BUFFER)
++ SetAGPDoubleCmd_inv(dev);
++ else if (dev_priv->drm_agp_type == DRM_AGP_RING_BUFFER)
++ SetAGPRingCmdRegs_inv(dev);
++
++ return ;
++}
++
++static unsigned int
++InitPCIEGART(struct drm_via_chrome9_private *dev_priv)
++{
++ unsigned int *pGARTTable;
++ unsigned int i, entries, GARTOffset;
++ unsigned char sr6a, sr6b, sr6c, sr6f, sr7b;
++
++ if (!dev_priv->pagetable_map.pagetable_size)
++ return 0;
++
++ entries = dev_priv->pagetable_map.pagetable_size / sizeof(unsigned int);
++
++ pGARTTable =
++ ioremap_nocache(dev_priv->fb_base_address +
++ dev_priv->pagetable_map.pagetable_offset,
++ dev_priv->pagetable_map.pagetable_size);
++ if (pGARTTable)
++ dev_priv->pagetable_map.pagetable_handle = pGARTTable;
++ else
++ return 0;
++
++ /*set gart table base */
++ GARTOffset = dev_priv->pagetable_map.pagetable_offset;
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c &= (~0x80);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ sr6a = (unsigned char) ((GARTOffset & 0xff000) >> 12);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6a);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6a);
++
++ sr6b = (unsigned char) ((GARTOffset & 0xff00000) >> 20);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6b);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6b);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c |= ((unsigned char) ((GARTOffset >> 28) & 0x01));
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x7b);
++ sr7b = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr7b &= (~0x0f);
++ sr7b |= ProtectSizeValue(dev_priv->pagetable_map.pagetable_size);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr7b);
++
++ for (i = 0; i < entries; i++)
++ writel(0x80000000, pGARTTable + i);
++ /*flush */
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6f);
++ do {
++ sr6f = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ }
++ while (sr6f & 0x80)
++ ;
++
++ sr6f |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6f);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ return 1;
++}
++
++
++static unsigned int *
++AllocAndBindPCIEMemory(struct drm_via_chrome9_private *dev_priv,
++ unsigned int size, unsigned int offset)
++{
++ unsigned int *addrlinear;
++ unsigned int *pGARTTable;
++ unsigned int entries, alignedoffset, i;
++ unsigned char sr6c, sr6f;
++
++ if (!size)
++ return NULL;
++
++ entries = (size + PAGE_SIZE - 1) / PAGE_SIZE;
++ alignedoffset = (offset + PAGE_SIZE - 1) / PAGE_SIZE;
++
++ if ((entries + alignedoffset) >
++ (dev_priv->pagetable_map.pagetable_size / sizeof(unsigned int)))
++ return NULL;
++
++ addrlinear =
++ __vmalloc(entries * PAGE_SIZE, GFP_KERNEL | __GFP_HIGHMEM,
++ PAGE_KERNEL_NOCACHE);
++
++ if (!addrlinear)
++ return NULL;
++
++ pGARTTable = dev_priv->pagetable_map.pagetable_handle;
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c &= (~0x80);
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6f);
++ do {
++ sr6f = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ }
++ while (sr6f & 0x80)
++ ;
++
++ for (i = 0; i < entries; i++)
++ writel(page_to_pfn
++ (vmalloc_to_page((void *) addrlinear + PAGE_SIZE * i)) &
++ 0x3fffffff, pGARTTable + i + alignedoffset);
++
++ sr6f |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6f);
++
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ sr6c |= 0x80;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++
++ return addrlinear;
++
++}
++
++void
++SetAGPDoubleCmd_inv(struct drm_device *dev)
++{
++ /* we now don't use double buffer */
++ return;
++}
++
++void
++SetAGPRingCmdRegs_inv(struct drm_device *dev)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ (struct drm_via_chrome9_DMA_manager *) dev_priv->dma_manager;
++ unsigned int AGPBufLinearBase = 0, AGPBufPhysicalBase = 0;
++ unsigned long *pFree;
++ unsigned int dwStart, dwEnd, dwPause, AGPCurrAddr, AGPCurStat, CurrAGP;
++ unsigned int dwReg60, dwReg61, dwReg62, dwReg63,
++ dwReg64, dwReg65, dwJump;
++
++ lpcmDMAManager->pFree = lpcmDMAManager->pBeg;
++
++ AGPBufLinearBase = (unsigned int) lpcmDMAManager->addr_linear;
++ AGPBufPhysicalBase =
++ (dev_priv->chip_agp ==
++ CHIP_PCIE) ? 0 : (unsigned int) dev->agp->base +
++ lpcmDMAManager->pPhysical;
++ /*add shadow offset */
++
++ CurrAGP =
++ GetMMIORegister(dev_priv->mmio->handle, INV_RB_AGPCMD_CURRADDR);
++ AGPCurStat =
++ GetMMIORegister(dev_priv->mmio->handle, INV_RB_AGPCMD_STATUS);
++
++ if (AGPCurStat & INV_AGPCMD_InPause) {
++ AGPCurrAddr =
++ GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ pFree = (unsigned long *) (AGPBufLinearBase + AGPCurrAddr -
++ AGPBufPhysicalBase);
++ ADDCmdHeader2_INVI(pFree, INV_REG_CR_TRANS, INV_ParaType_Dummy);
++ if (dev_priv->chip_sub_index == CHIP_H6S2)
++ do {
++ ADDCmdData_INVI(pFree, 0xCCCCCCC0);
++ ADDCmdData_INVI(pFree, 0xDDD00000);
++ }
++ while ((u32)((unsigned int) pFree) & 0x7f)
++ ;
++ /*for 8*128bit aligned */
++ else
++ do {
++ ADDCmdData_INVI(pFree, 0xCCCCCCC0);
++ ADDCmdData_INVI(pFree, 0xDDD00000);
++ }
++ while ((u32) ((unsigned int) pFree) & 0x1f)
++ ;
++ /*for 256bit aligned */
++ dwPause =
++ (u32) (((unsigned int) pFree) - AGPBufLinearBase +
++ AGPBufPhysicalBase - 16);
++
++ dwReg64 = INV_SubA_HAGPBpL | INV_HWBasL(dwPause);
++ dwReg65 =
++ INV_SubA_HAGPBpID | INV_HWBasH(dwPause) |
++ INV_HAGPBpID_STOP;
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS,
++ INV_ParaType_PreCR);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ dwReg64);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ dwReg65);
++
++ while (GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_ENG_STATUS) & INV_ENG_BUSY_ALL)
++ ;
++ }
++ dwStart =
++ (u32) ((unsigned int) lpcmDMAManager->pBeg - AGPBufLinearBase +
++ AGPBufPhysicalBase);
++ dwEnd = (u32) ((unsigned int) lpcmDMAManager->pEnd - AGPBufLinearBase +
++ AGPBufPhysicalBase);
++
++ lpcmDMAManager->pFree = lpcmDMAManager->pBeg;
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ ADDCmdHeader2_INVI(lpcmDMAManager->pFree, INV_REG_CR_TRANS,
++ INV_ParaType_Dummy);
++ do {
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xCCCCCCC0);
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xDDD00000);
++ }
++ while ((u32)((unsigned long *) lpcmDMAManager->pFree) & 0x7f)
++ ;
++ }
++ dwJump = 0xFFFFFFF0;
++ dwPause =
++ (u32)(((unsigned int) lpcmDMAManager->pFree) -
++ 16 - AGPBufLinearBase + AGPBufPhysicalBase);
++
++ DRM_DEBUG("dwStart = %08x, dwEnd = %08x, dwPause = %08x\n", dwStart,
++ dwEnd, dwPause);
++
++ dwReg60 = INV_SubA_HAGPBstL | INV_HWBasL(dwStart);
++ dwReg61 = INV_SubA_HAGPBstH | INV_HWBasH(dwStart);
++ dwReg62 = INV_SubA_HAGPBendL | INV_HWBasL(dwEnd);
++ dwReg63 = INV_SubA_HAGPBendH | INV_HWBasH(dwEnd);
++ dwReg64 = INV_SubA_HAGPBpL | INV_HWBasL(dwPause);
++ dwReg65 = INV_SubA_HAGPBpID | INV_HWBasH(dwPause) | INV_HAGPBpID_PAUSE;
++
++ if (dev_priv->chip_sub_index == CHIP_H6S2)
++ dwReg60 |= 0x01;
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS,
++ INV_ParaType_PreCR);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg60);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg61);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg62);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg63);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg64);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg65);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ INV_SubA_HAGPBjumpL | INV_HWBasL(dwJump));
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ INV_SubA_HAGPBjumpH | INV_HWBasH(dwJump));
++
++ /* Trigger AGP cycle */
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ INV_SubA_HFthRCM | INV_HFthRCM_10 | INV_HAGPBTrig);
++
++ /*for debug */
++ CurrAGP =
++ GetMMIORegister(dev_priv->mmio->handle, INV_RB_AGPCMD_CURRADDR);
++
++ lpcmDMAManager->pInUseBySW = lpcmDMAManager->pFree;
++}
++
++/* Do hw intialization and determine whether to use dma or mmio to
++talk with hw */
++int
++via_chrome9_hw_init(struct drm_device *dev,
++ struct drm_via_chrome9_init *init)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ unsigned retval = 0;
++ unsigned int *pGARTTable, *addrlinear = NULL;
++ int pages;
++ struct drm_clb_event_tag_info *event_tag_info;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager = NULL;
++
++ if (init->chip_agp == CHIP_PCIE) {
++ dev_priv->pagetable_map.pagetable_offset =
++ init->garttable_offset;
++ dev_priv->pagetable_map.pagetable_size = init->garttable_size;
++ dev_priv->agp_size = init->agp_tex_size;
++ /*Henry :prepare for PCIE texture buffer */
++ } else {
++ dev_priv->pagetable_map.pagetable_offset = 0;
++ dev_priv->pagetable_map.pagetable_size = 0;
++ }
++
++ dev_priv->dma_manager =
++ kmalloc(sizeof(struct drm_via_chrome9_DMA_manager), GFP_KERNEL);
++ if (!dev_priv->dma_manager) {
++ DRM_ERROR("could not allocate system for dma_manager!\n");
++ return -ENOMEM;
++ }
++
++ lpcmDMAManager =
++ (struct drm_via_chrome9_DMA_manager *) dev_priv->dma_manager;
++ ((struct drm_via_chrome9_DMA_manager *)
++ dev_priv->dma_manager)->DMASize = init->DMA_size;
++ ((struct drm_via_chrome9_DMA_manager *)
++ dev_priv->dma_manager)->pPhysical = init->DMA_phys_address;
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS, 0x00110000);
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x06000000);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x07100000);
++ } else {
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x02000000);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x03100000);
++ }
++
++ /* Specify fence command read back ID */
++ /* Default the read back ID is CR */
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS,
++ INV_ParaType_PreCR);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ INV_SubA_HSetRBGID | INV_HSetRBGID_CR);
++
++ DRM_DEBUG("begin to init\n");
++
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ dev_priv->pcie_vmalloc_nocache = 0;
++ if (dev_priv->pagetable_map.pagetable_size)
++ retval = InitPCIEGART(dev_priv);
++
++ if (retval && dev_priv->drm_agp_type != DRM_AGP_DISABLED) {
++ addrlinear =
++ AllocAndBindPCIEMemory(dev_priv,
++ lpcmDMAManager->DMASize +
++ dev_priv->agp_size, 0);
++ if (addrlinear) {
++ dev_priv->pcie_vmalloc_nocache = (unsigned long)
++ addrlinear;
++ } else {
++ dev_priv->bci_buffer =
++ vmalloc(MAX_BCI_BUFFER_SIZE);
++ dev_priv->drm_agp_type = DRM_AGP_DISABLED;
++ }
++ } else {
++ dev_priv->bci_buffer = vmalloc(MAX_BCI_BUFFER_SIZE);
++ dev_priv->drm_agp_type = DRM_AGP_DISABLED;
++ }
++ } else {
++ if (dev_priv->drm_agp_type != DRM_AGP_DISABLED) {
++ pGARTTable = NULL;
++ addrlinear = (unsigned int *)
++ ioremap(dev->agp->base +
++ lpcmDMAManager->pPhysical,
++ lpcmDMAManager->DMASize);
++ dev_priv->bci_buffer = NULL;
++ } else {
++ dev_priv->bci_buffer = vmalloc(MAX_BCI_BUFFER_SIZE);
++ /*Homer, BCI path always use this block of memory8 */
++ }
++ }
++
++ /*till here we have known whether support dma or not */
++ pages = dev->sg->pages;
++ event_tag_info = vmalloc(sizeof(struct drm_clb_event_tag_info));
++ memset(event_tag_info, 0, sizeof(struct drm_clb_event_tag_info));
++ if (!event_tag_info)
++ return DRM_ERROR(" event_tag_info allocate error!");
++
++ /* aligned to 16k alignment */
++ event_tag_info->linear_address =
++ (int
++ *) (((unsigned int) dev_priv->shadow_map.shadow_handle +
++ 0x3fff) & 0xffffc000);
++ event_tag_info->event_tag_linear_address =
++ event_tag_info->linear_address + 3;
++ dev_priv->event_tag_info = (void *) event_tag_info;
++ dev_priv->max_apertures = NUMBER_OF_APERTURES_CLB;
++
++ /* Initialize DMA data structure */
++ lpcmDMAManager->DMASize /= sizeof(unsigned int);
++ lpcmDMAManager->pBeg = addrlinear;
++ lpcmDMAManager->pFree = lpcmDMAManager->pBeg;
++ lpcmDMAManager->pInUseBySW = lpcmDMAManager->pBeg;
++ lpcmDMAManager->pInUseByHW = lpcmDMAManager->pBeg;
++ lpcmDMAManager->LastIssuedEventTag = (unsigned int) (unsigned long *)
++ lpcmDMAManager->pBeg;
++ lpcmDMAManager->ppInUseByHW =
++ (unsigned int **) ((char *) (dev_priv->mmio->handle) +
++ INV_RB_AGPCMD_CURRADDR);
++ lpcmDMAManager->bDMAAgp = dev_priv->chip_agp;
++ lpcmDMAManager->addr_linear = (unsigned int *) addrlinear;
++
++ if (dev_priv->drm_agp_type == DRM_AGP_DOUBLE_BUFFER) {
++ lpcmDMAManager->MaxKickoffSize = lpcmDMAManager->DMASize >> 1;
++ lpcmDMAManager->pEnd =
++ lpcmDMAManager->addr_linear +
++ (lpcmDMAManager->DMASize >> 1) - 1;
++ SetAGPDoubleCmd_inv(dev);
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ DRM_INFO("DMA buffer initialized finished. ");
++ DRM_INFO("Use PCIE Double Buffer type!\n");
++ DRM_INFO("Total PCIE DMA buffer size = %8d bytes. \n",
++ lpcmDMAManager->DMASize << 2);
++ } else {
++ DRM_INFO("DMA buffer initialized finished. ");
++ DRM_INFO("Use AGP Double Buffer type!\n");
++ DRM_INFO("Total AGP DMA buffer size = %8d bytes. \n",
++ lpcmDMAManager->DMASize << 2);
++ }
++ } else if (dev_priv->drm_agp_type == DRM_AGP_RING_BUFFER) {
++ lpcmDMAManager->MaxKickoffSize = lpcmDMAManager->DMASize;
++ lpcmDMAManager->pEnd =
++ lpcmDMAManager->addr_linear + lpcmDMAManager->DMASize;
++ SetAGPRingCmdRegs_inv(dev);
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ DRM_INFO("DMA buffer initialized finished. \n");
++ DRM_INFO("Use PCIE Ring Buffer type!");
++ DRM_INFO("Total PCIE DMA buffer size = %8d bytes. \n",
++ lpcmDMAManager->DMASize << 2);
++ } else {
++ DRM_INFO("DMA buffer initialized finished. ");
++ DRM_INFO("Use AGP Ring Buffer type!\n");
++ DRM_INFO("Total AGP DMA buffer size = %8d bytes. \n",
++ lpcmDMAManager->DMASize << 2);
++ }
++ } else if (dev_priv->drm_agp_type == DRM_AGP_DISABLED) {
++ lpcmDMAManager->MaxKickoffSize = 0x0;
++ if (dev_priv->chip_sub_index == CHIP_H6S2)
++ DRM_INFO("PCIE init failed! Use PCI\n");
++ else
++ DRM_INFO("AGP init failed! Use PCI\n");
++ }
++ return 0;
++}
++
++static void
++kickoff_bci_inv(struct drm_device *dev,
++ struct drm_via_chrome9_flush *dma_info)
++{
++ u32 HdType, dwQWCount, i, dwCount, Addr1, Addr2, SWPointer,
++ SWPointerEnd;
++ unsigned long *pCmdData;
++ int result;
++
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ /*pCmdData = __s3gke_vmalloc(dma_info->cmd_size<<2); */
++ pCmdData = dev_priv->bci_buffer;
++
++ if (!pCmdData)
++ return;
++ result = copy_from_user((int *) pCmdData, dma_info->usermode_dma_buf,
++ dma_info->cmd_size << 2);
++ if (result) {
++ DRM_ERROR("In function kickoff_bci_inv,\
++ copy_from_user is fault. \n");
++ return ;
++ }
++#if VIA_CHROME9_VERIFY_ENABLE
++ result = via_chrome9_verify_command_stream(
++ (const uint32_t *)pCmdData, dma_info->cmd_size << 2,
++ dev, dev_priv->chip_sub_index == CHIP_H6S2 ? 0 : 1);
++ if (result) {
++ DRM_ERROR("The command has the security issue \n");
++ return ;
++ }
++#endif
++ SWPointer = 0;
++ SWPointerEnd = (u32) dma_info->cmd_size;
++ while (SWPointer < SWPointerEnd) {
++ HdType = pCmdData[SWPointer] & INV_AGPHeader_MASK;
++ switch (HdType) {
++ case INV_AGPHeader0:
++ case INV_AGPHeader5:
++ dwQWCount = pCmdData[SWPointer + 1];
++ SWPointer += 4;
++
++ for (i = 0; i < dwQWCount; i++) {
++ SetMMIORegister(dev_priv->mmio->handle,
++ pCmdData[SWPointer],
++ pCmdData[SWPointer + 1]);
++ SWPointer += 2;
++ }
++ break;
++
++ case INV_AGPHeader1:
++ dwCount = pCmdData[SWPointer + 1];
++ Addr1 = 0x0;
++ SWPointer += 4; /* skip 128-bit. */
++
++ for (; dwCount > 0; dwCount--, SWPointer++,
++ Addr1 += 4) {
++ SetMMIORegister(dev_priv->hostBlt->handle,
++ Addr1, pCmdData[SWPointer]);
++ }
++ break;
++
++ case INV_AGPHeader4:
++ dwCount = pCmdData[SWPointer + 1];
++ Addr1 = pCmdData[SWPointer] & 0x0000FFFF;
++ SWPointer += 4; /* skip 128-bit. */
++
++ for (; dwCount > 0; dwCount--, SWPointer++)
++ SetMMIORegister(dev_priv->mmio->handle, Addr1,
++ pCmdData[SWPointer]);
++ break;
++
++ case INV_AGPHeader2:
++ Addr1 = pCmdData[SWPointer + 1] & 0xFFFF;
++ Addr2 = pCmdData[SWPointer] & 0xFFFF;
++
++ /* Write first data (either ParaType or whatever) to
++ Addr1 */
++ SetMMIORegister(dev_priv->mmio->handle, Addr1,
++ pCmdData[SWPointer + 2]);
++ SWPointer += 4;
++
++ /* The following data are all written to Addr2,
++ until another header is met */
++ while (!is_agp_header(pCmdData[SWPointer])
++ && (SWPointer < SWPointerEnd)) {
++ SetMMIORegister(dev_priv->mmio->handle, Addr2,
++ pCmdData[SWPointer]);
++ SWPointer++;
++ }
++ break;
++
++ case INV_AGPHeader3:
++ Addr1 = pCmdData[SWPointer] & 0xFFFF;
++ Addr2 = Addr1 + 4;
++ dwCount = pCmdData[SWPointer + 1];
++
++ /* Write first data (either ParaType or whatever) to
++ Addr1 */
++ SetMMIORegister(dev_priv->mmio->handle, Addr1,
++ pCmdData[SWPointer + 2]);
++ SWPointer += 4;
++
++ for (i = 0; i < dwCount; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, Addr2,
++ pCmdData[SWPointer]);
++ SWPointer++;
++ }
++ break;
++
++ case INV_AGPHeader6:
++ break;
++
++ case INV_AGPHeader7:
++ break;
++
++ default:
++ SWPointer += 4; /* Advance to next header */
++ }
++
++ SWPointer = (SWPointer + 3) & ~3;
++ }
++}
++
++void
++kickoff_dma_db_inv(struct drm_device *dev)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ dev_priv->dma_manager;
++
++ u32 BufferSize = (u32) (lpcmDMAManager->pFree - lpcmDMAManager->pBeg);
++
++ unsigned int AGPBufLinearBase =
++ (unsigned int) lpcmDMAManager->addr_linear;
++ unsigned int AGPBufPhysicalBase =
++ (unsigned int) dev->agp->base + lpcmDMAManager->pPhysical;
++ /*add shadow offset */
++
++ unsigned int dwStart, dwEnd, dwPause;
++ unsigned int dwReg60, dwReg61, dwReg62, dwReg63, dwReg64, dwReg65;
++ unsigned int CR_Status;
++
++ if (BufferSize == 0)
++ return;
++
++ /* 256-bit alignment of AGP pause address */
++ if ((u32) ((unsigned long *) lpcmDMAManager->pFree) & 0x1f) {
++ ADDCmdHeader2_INVI(lpcmDMAManager->pFree, INV_REG_CR_TRANS,
++ INV_ParaType_Dummy);
++ do {
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xCCCCCCC0);
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xDDD00000);
++ }
++ while (((unsigned int) lpcmDMAManager->pFree) & 0x1f)
++ ;
++ }
++
++ dwStart =
++ (u32) (unsigned long *)lpcmDMAManager->pBeg -
++ AGPBufLinearBase + AGPBufPhysicalBase;
++ dwEnd = (u32) (unsigned long *)lpcmDMAManager->pEnd -
++ AGPBufLinearBase + AGPBufPhysicalBase;
++ dwPause =
++ (u32)(unsigned long *)lpcmDMAManager->pFree -
++ AGPBufLinearBase + AGPBufPhysicalBase - 4;
++
++ dwReg60 = INV_SubA_HAGPBstL | INV_HWBasL(dwStart);
++ dwReg61 = INV_SubA_HAGPBstH | INV_HWBasH(dwStart);
++ dwReg62 = INV_SubA_HAGPBendL | INV_HWBasL(dwEnd);
++ dwReg63 = INV_SubA_HAGPBendH | INV_HWBasH(dwEnd);
++ dwReg64 = INV_SubA_HAGPBpL | INV_HWBasL(dwPause);
++ dwReg65 = INV_SubA_HAGPBpID | INV_HWBasH(dwPause) | INV_HAGPBpID_STOP;
++
++ /* wait CR idle */
++ CR_Status = GetMMIORegister(dev_priv->mmio->handle, INV_RB_ENG_STATUS);
++ while (CR_Status & INV_ENG_BUSY_CR)
++ CR_Status =
++ GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_ENG_STATUS);
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS,
++ INV_ParaType_PreCR);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg60);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg61);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg62);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg63);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg64);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg65);
++
++ /* Trigger AGP cycle */
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ INV_SubA_HFthRCM | INV_HFthRCM_10 | INV_HAGPBTrig);
++
++ if (lpcmDMAManager->pBeg == lpcmDMAManager->addr_linear) {
++ /* The second AGP command buffer */
++ lpcmDMAManager->pBeg =
++ lpcmDMAManager->addr_linear +
++ (lpcmDMAManager->DMASize >> 2);
++ lpcmDMAManager->pEnd =
++ lpcmDMAManager->addr_linear + lpcmDMAManager->DMASize;
++ lpcmDMAManager->pFree = lpcmDMAManager->pBeg;
++ } else {
++ /* The first AGP command buffer */
++ lpcmDMAManager->pBeg = lpcmDMAManager->addr_linear;
++ lpcmDMAManager->pEnd =
++ lpcmDMAManager->addr_linear +
++ (lpcmDMAManager->DMASize / 2) - 1;
++ lpcmDMAManager->pFree = lpcmDMAManager->pBeg;
++ }
++ CR_Status = GetMMIORegister(dev_priv->mmio->handle, INV_RB_ENG_STATUS);
++}
++
++
++void
++kickoff_dma_ring_inv(struct drm_device *dev)
++{
++ unsigned int dwPause, dwReg64, dwReg65;
++
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ dev_priv->dma_manager;
++
++ unsigned int AGPBufLinearBase =
++ (unsigned int) lpcmDMAManager->addr_linear;
++ unsigned int AGPBufPhysicalBase =
++ (dev_priv->chip_agp ==
++ CHIP_PCIE) ? 0 : (unsigned int) dev->agp->base +
++ lpcmDMAManager->pPhysical;
++ /*add shadow offset */
++
++ /* 256-bit alignment of AGP pause address */
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ if ((u32)
++ ((unsigned long *) lpcmDMAManager->pFree) & 0x7f) {
++ ADDCmdHeader2_INVI(lpcmDMAManager->pFree,
++ INV_REG_CR_TRANS,
++ INV_ParaType_Dummy);
++ do {
++ ADDCmdData_INVI(lpcmDMAManager->pFree,
++ 0xCCCCCCC0);
++ ADDCmdData_INVI(lpcmDMAManager->pFree,
++ 0xDDD00000);
++ }
++ while ((u32)((unsigned long *) lpcmDMAManager->pFree) &
++ 0x7f)
++ ;
++ }
++ } else {
++ if ((u32)
++ ((unsigned long *) lpcmDMAManager->pFree) & 0x1f) {
++ ADDCmdHeader2_INVI(lpcmDMAManager->pFree,
++ INV_REG_CR_TRANS,
++ INV_ParaType_Dummy);
++ do {
++ ADDCmdData_INVI(lpcmDMAManager->pFree,
++ 0xCCCCCCC0);
++ ADDCmdData_INVI(lpcmDMAManager->pFree,
++ 0xDDD00000);
++ }
++ while ((u32)((unsigned long *) lpcmDMAManager->pFree) &
++ 0x1f)
++ ;
++ }
++ }
++
++
++ dwPause = (u32) ((unsigned long *) lpcmDMAManager->pFree)
++ - AGPBufLinearBase + AGPBufPhysicalBase - 16;
++
++ dwReg64 = INV_SubA_HAGPBpL | INV_HWBasL(dwPause);
++ dwReg65 = INV_SubA_HAGPBpID | INV_HWBasH(dwPause) | INV_HAGPBpID_PAUSE;
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS,
++ INV_ParaType_PreCR);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg64);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg65);
++
++ lpcmDMAManager->pInUseBySW = lpcmDMAManager->pFree;
++}
++
++static int
++waitchipidle_inv(struct drm_via_chrome9_private *dev_priv)
++{
++ unsigned int count = 50000;
++ unsigned int eng_status;
++ unsigned int engine_busy;
++
++ do {
++ eng_status =
++ GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_ENG_STATUS);
++ engine_busy = eng_status & INV_ENG_BUSY_ALL;
++ count--;
++ }
++ while (engine_busy && count)
++ ;
++ if (count && engine_busy == 0)
++ return 0;
++ return -1;
++}
++
++void
++get_space_db_inv(struct drm_device *dev,
++ struct cmd_get_space *lpcmGetSpaceData)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ dev_priv->dma_manager;
++
++ unsigned int dwRequestSize = lpcmGetSpaceData->dwRequestSize;
++ if (dwRequestSize > lpcmDMAManager->MaxKickoffSize) {
++ DRM_INFO("too big DMA buffer request!!!\n");
++ via_chrome9ke_assert(0);
++ *lpcmGetSpaceData->pCmdData = (unsigned int) NULL;
++ return;
++ }
++
++ if ((lpcmDMAManager->pFree + dwRequestSize) >
++ (lpcmDMAManager->pEnd - INV_CMDBUF_THRESHOLD * 2))
++ kickoff_dma_db_inv(dev);
++
++ *lpcmGetSpaceData->pCmdData = (unsigned int) lpcmDMAManager->pFree;
++}
++
++void
++RewindRingAGP_inv(struct drm_device *dev)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ dev_priv->dma_manager;
++
++ unsigned int AGPBufLinearBase =
++ (unsigned int) lpcmDMAManager->addr_linear;
++ unsigned int AGPBufPhysicalBase =
++ (dev_priv->chip_agp ==
++ CHIP_PCIE) ? 0 : (unsigned int) dev->agp->base +
++ lpcmDMAManager->pPhysical;
++ /*add shadow offset */
++
++ unsigned int dwPause, dwJump;
++ unsigned int dwReg66, dwReg67;
++ unsigned int dwReg64, dwReg65;
++
++ ADDCmdHeader2_INVI(lpcmDMAManager->pFree, INV_REG_CR_TRANS,
++ INV_ParaType_Dummy);
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xCCCCCCC7);
++ if (dev_priv->chip_sub_index == CHIP_H6S2)
++ while ((unsigned int) lpcmDMAManager->pFree & 0x7F)
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xCCCCCCC7);
++ else
++ while ((unsigned int) lpcmDMAManager->pFree & 0x1F)
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xCCCCCCC7);
++ dwJump = ((u32) ((unsigned long *) lpcmDMAManager->pFree))
++ - AGPBufLinearBase + AGPBufPhysicalBase - 16;
++
++ lpcmDMAManager->pFree = lpcmDMAManager->pBeg;
++
++ dwPause = ((u32) ((unsigned long *) lpcmDMAManager->pFree))
++ - AGPBufLinearBase + AGPBufPhysicalBase - 16;
++
++ dwReg64 = INV_SubA_HAGPBpL | INV_HWBasL(dwPause);
++ dwReg65 = INV_SubA_HAGPBpID | INV_HWBasH(dwPause) | INV_HAGPBpID_PAUSE;
++
++ dwReg66 = INV_SubA_HAGPBjumpL | INV_HWBasL(dwJump);
++ dwReg67 = INV_SubA_HAGPBjumpH | INV_HWBasH(dwJump);
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS,
++ INV_ParaType_PreCR);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg66);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg67);
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg64);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN, dwReg65);
++ lpcmDMAManager->pInUseBySW = lpcmDMAManager->pFree;
++}
++
++
++void
++get_space_ring_inv(struct drm_device *dev,
++ struct cmd_get_space *lpcmGetSpaceData)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ dev_priv->dma_manager;
++ unsigned int dwUnFlushed;
++ unsigned int dwRequestSize = lpcmGetSpaceData->dwRequestSize;
++
++ unsigned int AGPBufLinearBase =
++ (unsigned int) lpcmDMAManager->addr_linear;
++ unsigned int AGPBufPhysicalBase =
++ (dev_priv->chip_agp ==
++ CHIP_PCIE) ? 0 : (unsigned int) dev->agp->base +
++ lpcmDMAManager->pPhysical;
++ /*add shadow offset */
++ u32 BufStart, BufEnd, CurSW, CurHW, NextSW, BoundaryCheck;
++
++ dwUnFlushed =
++ (unsigned int) (lpcmDMAManager->pFree - lpcmDMAManager->pBeg);
++ /*default bEnableModuleSwitch is on for metro,is off for rest */
++ /*cmHW_Module_Switch is context-wide variable which is enough for 2d/3d
++ switch in a context. */
++ /*But we must keep the dma buffer being wrapped head and tail by 3d cmds
++ when it is kicked off to kernel mode. */
++ /*Get DMA Space (If requested, or no BCI space and BCI not forced. */
++
++ if (dwRequestSize > lpcmDMAManager->MaxKickoffSize) {
++ DRM_INFO("too big DMA buffer request!!!\n");
++ via_chrome9ke_assert(0);
++ *lpcmGetSpaceData->pCmdData = 0;
++ return;
++ }
++
++ if (dwUnFlushed + dwRequestSize > lpcmDMAManager->MaxKickoffSize)
++ kickoff_dma_ring_inv(dev);
++
++ BufStart =
++ (u32)((unsigned int) lpcmDMAManager->pBeg) - AGPBufLinearBase +
++ AGPBufPhysicalBase;
++ BufEnd = (u32)((unsigned int) lpcmDMAManager->pEnd) - AGPBufLinearBase +
++ AGPBufPhysicalBase;
++ dwRequestSize = lpcmGetSpaceData->dwRequestSize << 2;
++ NextSW = (u32) ((unsigned int) lpcmDMAManager->pFree) + dwRequestSize +
++ INV_CMDBUF_THRESHOLD * 8 - AGPBufLinearBase +
++ AGPBufPhysicalBase;
++
++ CurSW = (u32)((unsigned int) lpcmDMAManager->pFree) - AGPBufLinearBase +
++ AGPBufPhysicalBase;
++ CurHW = GetMMIORegister(dev_priv->mmio->handle, INV_RB_AGPCMD_CURRADDR);
++
++ if (NextSW >= BufEnd) {
++ kickoff_dma_ring_inv(dev);
++ CurSW = (u32) ((unsigned int) lpcmDMAManager->pFree) -
++ AGPBufLinearBase + AGPBufPhysicalBase;
++ /* make sure the last rewind is completed */
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ while (CurHW > CurSW)
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ /* Sometime the value read from HW is unreliable,
++ so need double confirm. */
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ while (CurHW > CurSW)
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ BoundaryCheck =
++ BufStart + dwRequestSize + INV_QW_PAUSE_ALIGN * 16;
++ if (BoundaryCheck >= BufEnd)
++ /* If an empty command buffer can't hold
++ the request data. */
++ via_chrome9ke_assert(0);
++ else {
++ /* We need to guarntee the new commands have no chance
++ to override the unexected commands or wait until there
++ is no unexecuted commands in agp buffer */
++ if (CurSW <= BoundaryCheck) {
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ while (CurHW < CurSW)
++ CurHW = GetMMIORegister(
++ dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ /*Sometime the value read from HW is unreliable,
++ so need double confirm. */
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ while (CurHW < CurSW) {
++ CurHW = GetMMIORegister(
++ dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ }
++ RewindRingAGP_inv(dev);
++ CurSW = (u32) ((unsigned long *)
++ lpcmDMAManager->pFree) -
++ AGPBufLinearBase + AGPBufPhysicalBase;
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ /* Waiting until hw pointer jump to start
++ and hw pointer will */
++ /* equal to sw pointer */
++ while (CurHW != CurSW) {
++ CurHW = GetMMIORegister(
++ dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ }
++ } else {
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++
++ while (CurHW <= BoundaryCheck) {
++ CurHW = GetMMIORegister(
++ dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ }
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ /* Sometime the value read from HW is
++ unreliable, so need double confirm. */
++ while (CurHW <= BoundaryCheck) {
++ CurHW = GetMMIORegister(
++ dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ }
++ RewindRingAGP_inv(dev);
++ }
++ }
++ } else {
++ /* no need to rewind Ensure unexecuted agp commands will
++ not be override by new
++ agp commands */
++ CurSW = (u32) ((unsigned int) lpcmDMAManager->pFree) -
++ AGPBufLinearBase + AGPBufPhysicalBase;
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++
++ while ((CurHW > CurSW) && (CurHW <= NextSW))
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++
++ /* Sometime the value read from HW is unreliable,
++ so need double confirm. */
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ while ((CurHW > CurSW) && (CurHW <= NextSW))
++ CurHW = GetMMIORegister(dev_priv->mmio->handle,
++ INV_RB_AGPCMD_CURRADDR);
++ }
++ /*return the space handle */
++ *lpcmGetSpaceData->pCmdData = (unsigned int) lpcmDMAManager->pFree;
++}
++
++void
++release_space_inv(struct drm_device *dev,
++ struct cmd_release_space *lpcmReleaseSpaceData)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager =
++ dev_priv->dma_manager;
++ unsigned int dwReleaseSize = lpcmReleaseSpaceData->dwReleaseSize;
++ int i = 0;
++
++ lpcmDMAManager->pFree += dwReleaseSize;
++
++ /* aligned address */
++ while (((unsigned int) lpcmDMAManager->pFree) & 0xF) {
++ /* not in 4 unsigned ints (16 Bytes) align address,
++ insert NULL Commands */
++ *lpcmDMAManager->pFree++ = NULL_COMMAND_INV[i & 0x3];
++ i++;
++ }
++
++ if ((dev_priv->chip_sub_index == CHIP_H5 ||
++ dev_priv->chip_sub_index == CHIP_H6S2) &&
++ (dev_priv->drm_agp_type == DRM_AGP_RING_BUFFER)) {
++ ADDCmdHeader2_INVI(lpcmDMAManager->pFree, INV_REG_CR_TRANS,
++ INV_ParaType_Dummy);
++ for (i = 0; i < NULLCOMMANDNUMBER; i++)
++ ADDCmdData_INVI(lpcmDMAManager->pFree, 0xCC000000);
++ }
++}
++
++int
++via_chrome9_ioctl_flush(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_flush *dma_info = data;
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ int ret = 0;
++ int result = 0;
++ struct cmd_get_space getspace;
++ struct cmd_release_space releasespace;
++ unsigned long *pCmdData = NULL;
++
++ switch (dma_info->dma_cmd_type) {
++ /* Copy DMA buffer to BCI command buffer */
++ case flush_bci:
++ case flush_bci_and_wait:
++ if (dma_info->cmd_size <= 0)
++ return 0;
++ if (dma_info->cmd_size > MAX_BCI_BUFFER_SIZE) {
++ DRM_INFO("too big BCI space request!!!\n");
++ return 0;
++ }
++
++ kickoff_bci_inv(dev, dma_info);
++ waitchipidle_inv(dev_priv);
++ break;
++ /* Use DRM DMA buffer manager to kick off DMA directly */
++ case dma_kickoff:
++ break;
++
++ /* Copy user mode DMA buffer to kernel DMA buffer,
++ then kick off DMA */
++ case flush_dma_buffer:
++ case flush_dma_and_wait:
++ if (dma_info->cmd_size <= 0)
++ return 0;
++
++ getspace.dwRequestSize = dma_info->cmd_size;
++ if ((dev_priv->chip_sub_index == CHIP_H5 ||
++ dev_priv->chip_sub_index == CHIP_H6S2) &&
++ (dev_priv->drm_agp_type == DRM_AGP_RING_BUFFER))
++ getspace.dwRequestSize += (NULLCOMMANDNUMBER + 4);
++ /*henry:Patch for VT3293 agp ring buffer stability */
++ getspace.pCmdData = (unsigned int *) &pCmdData;
++
++ if (dev_priv->drm_agp_type == DRM_AGP_DOUBLE_BUFFER)
++ get_space_db_inv(dev, &getspace);
++ else if (dev_priv->drm_agp_type == DRM_AGP_RING_BUFFER)
++ get_space_ring_inv(dev, &getspace);
++ if (pCmdData) {
++ /*copy data from userspace to kernel-dma-agp buffer */
++ result = copy_from_user((int *)
++ pCmdData,
++ dma_info->usermode_dma_buf,
++ dma_info->cmd_size << 2);
++ if (result) {
++ DRM_ERROR("In function via_chrome9_ioctl_flush,\
++ copy_from_user is fault. \n");
++ return -EINVAL;
++ }
++
++#if VIA_CHROME9_VERIFY_ENABLE
++ result = via_chrome9_verify_command_stream(
++ (const uint32_t *)pCmdData, dma_info->cmd_size << 2,
++ dev, dev_priv->chip_sub_index == CHIP_H6S2 ? 0 : 1);
++ if (result) {
++ DRM_ERROR("The user command has security issue.\n");
++ return -EINVAL;
++ }
++#endif
++
++ releasespace.dwReleaseSize = dma_info->cmd_size;
++ release_space_inv(dev, &releasespace);
++ if (dev_priv->drm_agp_type == DRM_AGP_DOUBLE_BUFFER)
++ kickoff_dma_db_inv(dev);
++ else if (dev_priv->drm_agp_type == DRM_AGP_RING_BUFFER)
++ kickoff_dma_ring_inv(dev);
++
++ if (dma_info->dma_cmd_type == flush_dma_and_wait)
++ waitchipidle_inv(dev_priv);
++ } else {
++ DRM_INFO("No enough DMA space");
++ ret = -ENOMEM;
++ }
++ break;
++
++ default:
++ DRM_INFO("Invalid DMA buffer type");
++ ret = -EINVAL;
++ break;
++ }
++ return ret;
++}
++
++int
++via_chrome9_ioctl_free(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ return 0;
++}
++
++int
++via_chrome9_ioctl_wait_chip_idle(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++
++ waitchipidle_inv(dev_priv);
++ /* maybe_bug here, do we always return 0 */
++ return 0;
++}
++
++int
++via_chrome9_ioctl_flush_cache(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ return 0;
++}
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_dma.h
+@@ -0,0 +1,69 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++#ifndef _VIA_CHROME9_DMA_H_
++#define _VIA_CHROME9_DMA_H_
++
++#define MAX_BCI_BUFFER_SIZE (16 * 1024 * 1024)
++
++enum cmd_request_type {
++ CM_REQUEST_BCI,
++ CM_REQUEST_DMA,
++ CM_REQUEST_RB,
++ CM_REQUEST_RB_FORCED_DMA,
++ CM_REQUEST_NOTAVAILABLE
++};
++
++struct cmd_get_space {
++ unsigned int dwRequestSize;
++ enum cmd_request_type hint;
++ __volatile__ unsigned int *pCmdData;
++};
++
++struct cmd_release_space {
++ unsigned int dwReleaseSize;
++};
++
++extern int via_chrome9_hw_init(struct drm_device *dev,
++ struct drm_via_chrome9_init *init);
++extern int via_chrome9_ioctl_flush(struct drm_device *dev, void *data,
++ struct drm_file *file_priv);
++extern int via_chrome9_ioctl_free(struct drm_device *dev, void *data,
++ struct drm_file *file_prev);
++extern int via_chrome9_ioctl_wait_chip_idle(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_flush_cache(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_flush(struct drm_device *dev, void *data,
++ struct drm_file *file_priv);
++extern int via_chrome9_ioctl_free(struct drm_device *dev, void *data,
++ struct drm_file *file_priv);
++extern unsigned int ProtectSizeValue(unsigned int size);
++extern void SetAGPDoubleCmd_inv(struct drm_device *dev);
++extern void SetAGPRingCmdRegs_inv(struct drm_device *dev);
++extern void via_chrome9_dma_init_inv(struct drm_device *dev);
++
++#endif
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_drm.c
+@@ -0,0 +1,950 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++#include "drmP.h"
++#include "via_chrome9_drm.h"
++#include "via_chrome9_drv.h"
++#include "via_chrome9_mm.h"
++#include "via_chrome9_dma.h"
++#include "via_chrome9_3d_reg.h"
++
++#define VIA_CHROME9DRM_VIDEO_STARTADDRESS_ALIGNMENT 10
++
++void *via_chrome9_dev_v4l;
++void *via_chrome9_filepriv_v4l;
++
++void __via_chrome9ke_udelay(unsigned long usecs)
++{
++ unsigned long start;
++ unsigned long stop;
++ unsigned long period;
++ unsigned long wait_period;
++ struct timespec tval;
++
++#ifdef NDELAY_LIMIT
++#define UDELAY_LIMIT (NDELAY_LIMIT/1000) /* supposed to be 10 msec */
++#else
++#define UDELAY_LIMIT (10000) /* 10 msec */
++#endif
++
++ if (usecs > UDELAY_LIMIT) {
++ start = jiffies;
++ tval.tv_sec = usecs / 1000000;
++ tval.tv_nsec = (usecs - tval.tv_sec * 1000000) * 1000;
++ wait_period = timespec_to_jiffies(&tval);
++ do {
++ stop = jiffies;
++
++ if (stop < start)
++ period = ((unsigned long)-1 - start) + stop + 1;
++ else
++ period = stop - start;
++
++ } while (period < wait_period);
++ } else
++ udelay(usecs); /* delay value might get checked once again */
++}
++
++int via_chrome9_ioctl_process_exit(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ return 0;
++}
++
++int via_chrome9_ioctl_restore_primary(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ return 0;
++}
++
++void Initialize3DEngine(struct drm_via_chrome9_private *dev_priv)
++{
++ int i;
++ unsigned int StageOfTexture;
++
++ if (dev_priv->chip_sub_index == CHIP_H5 ||
++ dev_priv->chip_sub_index == CHIP_H5S1) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ 0x00010000);
++
++ for (i = 0; i <= 0x8A; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (unsigned int) i << 24);
++ }
++
++ /* Initial Texture Stage Setting*/
++ for (StageOfTexture = 0; StageOfTexture < 0xf;
++ StageOfTexture++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00020000 | 0x00000000 |
++ (StageOfTexture & 0xf)<<24));
++ /* *((unsigned int volatile*)(pMapIOPort+HC_REG_TRANS_SET)) =
++ (0x00020000 | HC_ParaSubType_Tex0 | (StageOfTexture &
++ 0xf)<<24);*/
++ for (i = 0 ; i <= 0x30 ; i++) {
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (unsigned int) i << 24);
++ }
++ }
++
++ /* Initial Texture Sampler Setting*/
++ for (StageOfTexture = 0; StageOfTexture < 0xf;
++ StageOfTexture++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00020000 | 0x00020000 |
++ (StageOfTexture & 0xf)<<24));
++ /* *((unsigned int volatile*)(pMapIOPort+
++ HC_REG_TRANS_SET)) = (0x00020000 | 0x00020000 |
++ ( StageOfTexture & 0xf)<<24);*/
++ for (i = 0 ; i <= 0x30 ; i++) {
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (unsigned int) i << 24);
++ }
++ }
++
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00020000 | 0xfe000000));
++ /* *((unsigned int volatile*)(pMapIOPort+HC_REG_TRANS_SET)) =
++ (0x00020000 | HC_ParaSubType_TexGen);*/
++ for (i = 0 ; i <= 0x13 ; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (unsigned int) i << 24);
++ /* *((unsigned int volatile*)(pMapIOPort+
++ HC_REG_Hpara0)) = ((unsigned int) i << 24);*/
++ }
++
++ /* Initial Gamma Table Setting*/
++ /* Initial Gamma Table Setting*/
++ /* 5 + 4 = 9 (12) dwords*/
++ /* sRGB texture is not directly support by H3 hardware.
++ We have to set the deGamma table for texture sampling.*/
++
++ /* degamma table*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x15000000));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (30 << 20) | (15 << 10) | (5)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((119 << 20) | (81 << 10) | (52)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((283 << 20) | (219 << 10) | (165)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((535 << 20) | (441 << 10) | (357)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((119 << 20) | (884 << 20) | (757 << 10) |
++ (640)));
++
++ /* gamma table*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x17000000));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (13 << 20) | (13 << 10) | (13)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (26 << 20) | (26 << 10) | (26)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (39 << 20) | (39 << 10) | (39)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((51 << 20) | (51 << 10) | (51)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((71 << 20) | (71 << 10) | (71)));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (87 << 20) | (87 << 10) | (87));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (113 << 20) | (113 << 10) | (113));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (135 << 20) | (135 << 10) | (135));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (170 << 20) | (170 << 10) | (170));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (199 << 20) | (199 << 10) | (199));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (246 << 20) | (246 << 10) | (246));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (284 << 20) | (284 << 10) | (284));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (317 << 20) | (317 << 10) | (317));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (347 << 20) | (347 << 10) | (347));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (373 << 20) | (373 << 10) | (373));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (398 << 20) | (398 << 10) | (398));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (442 << 20) | (442 << 10) | (442));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (481 << 20) | (481 << 10) | (481));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (517 << 20) | (517 << 10) | (517));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (550 << 20) | (550 << 10) | (550));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (609 << 20) | (609 << 10) | (609));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (662 << 20) | (662 << 10) | (662));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (709 << 20) | (709 << 10) | (709));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (753 << 20) | (753 << 10) | (753));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (794 << 20) | (794 << 10) | (794));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (832 << 20) | (832 << 10) | (832));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (868 << 20) | (868 << 10) | (868));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (902 << 20) | (902 << 10) | (902));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (934 << 20) | (934 << 10) | (934));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (966 << 20) | (966 << 10) | (966));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (996 << 20) | (996 << 10) | (996));
++
++
++ /*
++ For Interrupt Restore only All types of write through
++ regsiters should be write header data to hardware at
++ least before it can restore. H/W will automatically
++ record the header to write through state buffer for
++ resture usage.
++ By Jaren:
++ HParaType = 8'h03, HParaSubType = 8'h00
++ 8'h11
++ 8'h12
++ 8'h14
++ 8'h15
++ 8'h17
++ HParaSubType 8'h12, 8'h15 is initialized.
++ [HWLimit]
++ 1. All these write through registers can't be partial
++ update.
++ 2. All these write through must be AGP command
++ 16 entries : 4 128-bit data */
++
++ /* Initialize INV_ParaSubType_TexPal */
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x00000000));
++ for (i = 0; i < 16; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x00000000);
++ }
++
++ /* Initialize INV_ParaSubType_4X4Cof */
++ /* 32 entries : 8 128-bit data */
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x11000000));
++ for (i = 0; i < 32; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x00000000);
++ }
++
++ /* Initialize INV_ParaSubType_StipPal */
++ /* 5 entries : 2 128-bit data */
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x14000000));
++ for (i = 0; i < (5+3); i++) {
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, 0x00000000);
++ }
++
++ /* primitive setting & vertex format*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00040000 | 0x14000000));
++ for (i = 0; i < 52; i++) {
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, ((unsigned int) i << 24));
++ }
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ 0x00fe0000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x4000840f);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x47000400);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x44000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x46000000);
++
++ /* setting Misconfig*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ 0x00fe0000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x00001004);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0800004b);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0a000049);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0b0000fb);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0c000001);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0d0000cb);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0e000009);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x10000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x110000ff);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x12000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x130000db);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x14000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x15000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x16000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x17000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x18000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x19000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x20000000);
++ } else if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ 0x00010000);
++ for (i = 0; i <= 0x9A; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (unsigned int) i << 24);
++ }
++
++ /* Initial Texture Stage Setting*/
++ for (StageOfTexture = 0; StageOfTexture <= 0xf;
++ StageOfTexture++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00020000 | 0x00000000 |
++ (StageOfTexture & 0xf)<<24));
++ for (i = 0 ; i <= 0x30 ; i++) {
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (unsigned int) i << 24);
++ }
++ }
++
++ /* Initial Texture Sampler Setting*/
++ for (StageOfTexture = 0; StageOfTexture <= 0xf;
++ StageOfTexture++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00020000 | 0x20000000 |
++ (StageOfTexture & 0xf)<<24));
++ for (i = 0 ; i <= 0x36 ; i++) {
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (unsigned int) i << 24);
++ }
++ }
++
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00020000 | 0xfe000000));
++ for (i = 0 ; i <= 0x13 ; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (unsigned int) i << 24);
++ /* *((unsigned int volatile*)(pMapIOPort+
++ HC_REG_Hpara0)) =((unsigned int) i << 24);*/
++ }
++
++ /* Initial Gamma Table Setting*/
++ /* Initial Gamma Table Setting*/
++ /* 5 + 4 = 9 (12) dwords*/
++ /* sRGB texture is not directly support by
++ H3 hardware.*/
++ /* We have to set the deGamma table for texture
++ sampling.*/
++
++ /* degamma table*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x15000000));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (30 << 20) | (15 << 10) | (5)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((119 << 20) | (81 << 10) | (52)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((283 << 20) | (219 << 10) | (165)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((535 << 20) | (441 << 10) | (357)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((119 << 20) | (884 << 20) | (757 << 10)
++ | (640)));
++
++ /* gamma table*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x17000000));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (13 << 20) | (13 << 10) | (13)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (26 << 20) | (26 << 10) | (26)));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (0x40000000 | (39 << 20) | (39 << 10) | (39)));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, ((51 << 20) | (51 << 10) | (51)));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, ((71 << 20) | (71 << 10) | (71)));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (87 << 20) | (87 << 10) | (87));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (113 << 20) | (113 << 10) | (113));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (135 << 20) | (135 << 10) | (135));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (170 << 20) | (170 << 10) | (170));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (199 << 20) | (199 << 10) | (199));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (246 << 20) | (246 << 10) | (246));
++ SetMMIORegister(dev_priv->mmio->handle,
++ 0x440, (284 << 20) | (284 << 10) | (284));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (317 << 20) | (317 << 10) | (317));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (347 << 20) | (347 << 10) | (347));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (373 << 20) | (373 << 10) | (373));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (398 << 20) | (398 << 10) | (398));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (442 << 20) | (442 << 10) | (442));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (481 << 20) | (481 << 10) | (481));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (517 << 20) | (517 << 10) | (517));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (550 << 20) | (550 << 10) | (550));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (609 << 20) | (609 << 10) | (609));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (662 << 20) | (662 << 10) | (662));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (709 << 20) | (709 << 10) | (709));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (753 << 20) | (753 << 10) | (753));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (794 << 20) | (794 << 10) | (794));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (832 << 20) | (832 << 10) | (832));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (868 << 20) | (868 << 10) | (868));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (902 << 20) | (902 << 10) | (902));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (934 << 20) | (934 << 10) | (934));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (966 << 20) | (966 << 10) | (966));
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ (996 << 20) | (996 << 10) | (996));
++
++
++ /* For Interrupt Restore only
++ All types of write through regsiters should be write
++ header data to hardware at least before it can restore.
++ H/W will automatically record the header to write
++ through state buffer for restureusage.
++ By Jaren:
++ HParaType = 8'h03, HParaSubType = 8'h00
++ 8'h11
++ 8'h12
++ 8'h14
++ 8'h15
++ 8'h17
++ HParaSubType 8'h12, 8'h15 is initialized.
++ [HWLimit]
++ 1. All these write through registers can't be partial
++ update.
++ 2. All these write through must be AGP command
++ 16 entries : 4 128-bit data */
++
++ /* Initialize INV_ParaSubType_TexPal */
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x00000000));
++ for (i = 0; i < 16; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x00000000);
++ }
++
++ /* Initialize INV_ParaSubType_4X4Cof */
++ /* 32 entries : 8 128-bit data */
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x11000000));
++ for (i = 0; i < 32; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x00000000);
++ }
++
++ /* Initialize INV_ParaSubType_StipPal */
++ /* 5 entries : 2 128-bit data */
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00030000 | 0x14000000));
++ for (i = 0; i < (5+3); i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x00000000);
++ }
++
++ /* primitive setting & vertex format*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00040000));
++ for (i = 0; i <= 0x62; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((unsigned int) i << 24));
++ }
++
++ /*ParaType 0xFE - Configure and Misc Setting*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00fe0000));
++ for (i = 0; i <= 0x47; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((unsigned int) i << 24));
++ }
++ /*ParaType 0x11 - Frame Buffer Auto-Swapping and
++ Command Regulator Misc*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ (0x00110000));
++ for (i = 0; i <= 0x20; i++) {
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ ((unsigned int) i << 24));
++ }
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ 0x00fe0000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x4000840f);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x47000404);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x44000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x46000005);
++
++ /* setting Misconfig*/
++ SetMMIORegister(dev_priv->mmio->handle, 0x43C,
++ 0x00fe0000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x00001004);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x08000249);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0a0002c9);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0b0002fb);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0c000000);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0d0002cb);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x0e000009);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x10000049);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x110002ff);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x12000008);
++ SetMMIORegister(dev_priv->mmio->handle, 0x440,
++ 0x130002db);
++ }
++}
++
++int via_chrome9_drm_resume(struct pci_dev *pci)
++{
++ struct drm_device *dev = (struct drm_device *)pci_get_drvdata(pci);
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++
++ if (!dev_priv->initialized)
++ return 0;
++
++ Initialize3DEngine(dev_priv);
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS, 0x00110000);
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x06000000);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x07100000);
++ } else{
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x02000000);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ 0x03100000);
++ }
++
++
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_TRANS,
++ INV_ParaType_PreCR);
++ SetMMIORegister(dev_priv->mmio->handle, INV_REG_CR_BEGIN,
++ INV_SubA_HSetRBGID | INV_HSetRBGID_CR);
++
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ unsigned int i;
++ /* Here restore SR66~SR6F SR79~SR7B */
++ for (i = 0; i < 10; i++) {
++ SetMMIORegisterU8(dev_priv->mmio->handle,
++ 0x83c4, 0x66 + i);
++ SetMMIORegisterU8(dev_priv->mmio->handle,
++ 0x83c5, dev_priv->gti_backup[i]);
++ }
++
++ for (i = 0; i < 3; i++) {
++ SetMMIORegisterU8(dev_priv->mmio->handle,
++ 0x83c4, 0x79 + i);
++ SetMMIORegisterU8(dev_priv->mmio->handle,
++ 0x83c5, dev_priv->gti_backup[10 + i]);
++ }
++ }
++
++ via_chrome9_dma_init_inv(dev);
++
++ return 0;
++}
++
++int via_chrome9_drm_suspend(struct pci_dev *pci,
++ pm_message_t state)
++{
++ int i;
++ struct drm_device *dev = (struct drm_device *)pci_get_drvdata(pci);
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++
++ if (!dev_priv->initialized)
++ return 0;
++
++ if (dev_priv->chip_sub_index != CHIP_H6S2)
++ return 0;
++
++ /* Save registers from SR66~SR6F */
++ for (i = 0; i < 10; i++) {
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x66 + i);
++ dev_priv->gti_backup[i] =
++ GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ }
++
++ /* Save registers from SR79~SR7B */
++ for (i = 0; i < 3; i++) {
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x79 + i);
++ dev_priv->gti_backup[10 + i] =
++ GetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5);
++ }
++
++ return 0;
++}
++
++int via_chrome9_driver_load(struct drm_device *dev,
++ unsigned long chipset)
++{
++ struct drm_via_chrome9_private *dev_priv;
++ int ret = 0;
++ static int associate;
++
++ if (!associate) {
++ pci_set_drvdata(dev->pdev, dev);
++ dev->pdev->driver = &dev->driver->pci_driver;
++ associate = 1;
++ }
++
++ dev->counters += 4;
++ dev->types[6] = _DRM_STAT_IRQ;
++ dev->types[7] = _DRM_STAT_PRIMARY;
++ dev->types[8] = _DRM_STAT_SECONDARY;
++ dev->types[9] = _DRM_STAT_DMA;
++
++ dev_priv = drm_calloc(1, sizeof(struct drm_via_chrome9_private),
++ DRM_MEM_DRIVER);
++ if (dev_priv == NULL)
++ return -ENOMEM;
++
++ /* Clear */
++ memset(dev_priv, 0, sizeof(struct drm_via_chrome9_private));
++
++ dev_priv->dev = dev;
++ dev->dev_private = (void *)dev_priv;
++
++ dev_priv->chip_index = chipset;
++
++ ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
++ if (ret)
++ drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
++ return ret;
++}
++
++int via_chrome9_driver_unload(struct drm_device *dev)
++{
++ struct drm_via_chrome9_private *dev_priv = dev->dev_private;
++
++ drm_sman_takedown(&dev_priv->sman);
++
++ drm_free(dev_priv, sizeof(struct drm_via_chrome9_private),
++ DRM_MEM_DRIVER);
++
++ dev->dev_private = 0;
++
++ return 0;
++}
++
++static int via_chrome9_initialize(struct drm_device *dev,
++ struct drm_via_chrome9_init *init)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++
++ dev_priv->chip_agp = init->chip_agp;
++ dev_priv->chip_index = init->chip_index;
++ dev_priv->chip_sub_index = init->chip_sub_index;
++
++ dev_priv->usec_timeout = init->usec_timeout;
++ dev_priv->front_offset = init->front_offset;
++ dev_priv->back_offset = init->back_offset >>
++ VIA_CHROME9DRM_VIDEO_STARTADDRESS_ALIGNMENT <<
++ VIA_CHROME9DRM_VIDEO_STARTADDRESS_ALIGNMENT;
++ dev_priv->available_fb_size = init->available_fb_size -
++ (init->available_fb_size %
++ (1 << VIA_CHROME9DRM_VIDEO_STARTADDRESS_ALIGNMENT));
++ dev_priv->depth_offset = init->depth_offset;
++
++ /* Find all the map added first, doing this is necessary to
++ intialize hw */
++ if (via_chrome9_map_init(dev, init)) {
++ DRM_ERROR("function via_chrome9_map_init ERROR !\n");
++ goto error;
++ }
++
++ /* Necessary information has been gathered for initialize hw */
++ if (via_chrome9_hw_init(dev, init)) {
++ DRM_ERROR("function via_chrome9_hw_init ERROR !\n");
++ goto error;
++ }
++
++ /* After hw intialization, we have kown whether to use agp
++ or to use pcie for texture */
++ if (via_chrome9_heap_management_init(dev, init)) {
++ DRM_ERROR("function \
++ via_chrome9_heap_management_init ERROR !\n");
++ goto error;
++ }
++
++ dev_priv->initialized = 1;
++
++ return 0;
++
++error:
++ /* all the error recover has been processed in relevant function,
++ so here just return error */
++ return -EINVAL;
++}
++
++static void via_chrome9_cleanup(struct drm_device *dev,
++ struct drm_via_chrome9_init *init)
++{
++ struct drm_via_chrome9_DMA_manager *lpcmDMAManager = NULL;
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++ DRM_DEBUG("function via_chrome9_cleanup run!\n");
++
++ if (!dev_priv)
++ return ;
++
++ lpcmDMAManager =
++ (struct drm_via_chrome9_DMA_manager *)dev_priv->dma_manager;
++ if (dev_priv->pcie_vmalloc_nocache) {
++ vfree((void *)dev_priv->pcie_vmalloc_nocache);
++ dev_priv->pcie_vmalloc_nocache = 0;
++ if (lpcmDMAManager)
++ lpcmDMAManager->addr_linear = NULL;
++ }
++
++ if (dev_priv->pagetable_map.pagetable_handle) {
++ iounmap(dev_priv->pagetable_map.pagetable_handle);
++ dev_priv->pagetable_map.pagetable_handle = NULL;
++ }
++
++ if (lpcmDMAManager && lpcmDMAManager->addr_linear) {
++ iounmap(lpcmDMAManager->addr_linear);
++ lpcmDMAManager->addr_linear = NULL;
++ }
++
++ kfree(lpcmDMAManager);
++ dev_priv->dma_manager = NULL;
++
++ if (dev_priv->event_tag_info) {
++ vfree(dev_priv->event_tag_info);
++ dev_priv->event_tag_info = NULL;
++ }
++
++ if (dev_priv->bci_buffer) {
++ vfree(dev_priv->bci_buffer);
++ dev_priv->bci_buffer = NULL;
++ }
++
++ via_chrome9_memory_destroy_heap(dev, dev_priv);
++
++ /* After cleanup, it should to set the value to null */
++ dev_priv->sarea = dev_priv->mmio = dev_priv->hostBlt =
++ dev_priv->fb = dev_priv->front = dev_priv->back =
++ dev_priv->depth = dev_priv->agp_tex =
++ dev_priv->shadow_map.shadow = 0;
++ dev_priv->sarea_priv = 0;
++ dev_priv->initialized = 0;
++}
++
++/*
++Do almost everything intialize here,include:
++1.intialize all addmaps in private data structure
++2.intialize memory heap management for video agp/pcie
++3.intialize hw for dma(pcie/agp) function
++
++Note:all this function will dispatch into relevant function
++*/
++int via_chrome9_ioctl_init(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_init *init = (struct drm_via_chrome9_init *)data;
++
++ switch (init->func) {
++ case VIA_CHROME9_INIT:
++ if (via_chrome9_initialize(dev, init)) {
++ DRM_ERROR("function via_chrome9_initialize error\n");
++ return -1;
++ }
++ via_chrome9_filepriv_v4l = (void *)file_priv;
++ via_chrome9_dev_v4l = (void *)dev;
++ break;
++
++ case VIA_CHROME9_CLEANUP:
++ via_chrome9_cleanup(dev, init);
++ via_chrome9_filepriv_v4l = 0;
++ via_chrome9_dev_v4l = 0;
++ break;
++
++ default:
++ return -1;
++ }
++
++ return 0;
++}
++
++int via_chrome9_ioctl_allocate_event_tag(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_event_tag *event_tag = data;
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++ struct drm_clb_event_tag_info *event_tag_info =
++ dev_priv->event_tag_info;
++ unsigned int *event_addr = 0, i = 0;
++
++ for (i = 0; i < NUMBER_OF_EVENT_TAGS; i++) {
++ if (!event_tag_info->usage[i])
++ break;
++ }
++
++ if (i < NUMBER_OF_EVENT_TAGS) {
++ event_tag_info->usage[i] = 1;
++ event_tag->event_offset = i;
++ event_tag->last_sent_event_value.event_low = 0;
++ event_tag->current_event_value.event_low = 0;
++ event_addr = event_tag_info->linear_address +
++ event_tag->event_offset * 4;
++ *event_addr = 0;
++ return 0;
++ } else {
++ return -7;
++ }
++
++ return 0;
++}
++
++int via_chrome9_ioctl_free_event_tag(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++ struct drm_clb_event_tag_info *event_tag_info =
++ dev_priv->event_tag_info;
++ struct drm_via_chrome9_event_tag *event_tag = data;
++
++ event_tag_info->usage[event_tag->event_offset] = 0;
++ return 0;
++}
++
++void via_chrome9_lastclose(struct drm_device *dev)
++{
++ via_chrome9_cleanup(dev, 0);
++ return ;
++}
++
++static int via_chrome9_do_wait_vblank(struct drm_via_chrome9_private
++ *dev_priv)
++{
++ int i;
++
++ for (i = 0; i < dev_priv->usec_timeout; i++) {
++ VIA_CHROME9_WRITE8(0x83d4, 0x34);
++ if ((VIA_CHROME9_READ8(0x83d5)) & 0x8)
++ return 0;
++ __via_chrome9ke_udelay(1);
++ }
++
++ return -1;
++}
++
++void via_chrome9_preclose(struct drm_device *dev, struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_sarea *sarea_priv = NULL;
++
++ if (!dev_priv)
++ return ;
++
++ sarea_priv = dev_priv->sarea_priv;
++ if (!sarea_priv)
++ return ;
++
++ if ((sarea_priv->page_flip == 1) &&
++ (sarea_priv->current_page != VIA_CHROME9_FRONT)) {
++ __volatile__ unsigned long *bci_base;
++ if (via_chrome9_do_wait_vblank(dev_priv))
++ return;
++
++ bci_base = (__volatile__ unsigned long *)(dev_priv->bci);
++
++ BCI_SET_STREAM_REGISTER(bci_base, 0x81c4, 0xc0000000);
++ BCI_SET_STREAM_REGISTER(bci_base, 0x81c0,
++ dev_priv->front_offset);
++ BCI_SEND(bci_base, 0x64000000);/* wait vsync */
++
++ sarea_priv->current_page = VIA_CHROME9_FRONT;
++ }
++}
++
++int via_chrome9_is_agp(struct drm_device *dev)
++{
++ /* filter out pcie group which has no AGP device */
++ if (dev->pci_device == 0x1122 || dev->pci_device == 0x5122) {
++ dev->driver->driver_features &=
++ ~(DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_REQUIRE_AGP);
++ return 0;
++ }
++ return 1;
++}
++
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_drm.h
+@@ -0,0 +1,443 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++#ifndef _VIA_CHROME9_DRM_H_
++#define _VIA_CHROME9_DRM_H_
++
++/* WARNING: These defines must be the same as what the Xserver uses.
++ * if you change them, you must change the defines in the Xserver.
++ */
++
++#ifndef _VIA_CHROME9_DEFINES_
++#define _VIA_CHROME9_DEFINES_
++
++#ifndef __KERNEL__
++#include "via_drmclient.h"
++#endif
++
++#define VIA_CHROME9_NR_SAREA_CLIPRECTS 8
++#define VIA_CHROME9_NR_XVMC_PORTS 10
++#define VIA_CHROME9_NR_XVMC_LOCKS 5
++#define VIA_CHROME9_MAX_CACHELINE_SIZE 64
++#define XVMCLOCKPTR(saPriv,lockNo) \
++ ((__volatile__ struct drm_hw_lock *) \
++ (((((unsigned long) (saPriv)->XvMCLockArea) + \
++ (VIA_CHROME9_MAX_CACHELINE_SIZE - 1)) & \
++ ~(VIA_CHROME9_MAX_CACHELINE_SIZE - 1)) + \
++ VIA_CHROME9_MAX_CACHELINE_SIZE*(lockNo)))
++
++/* Each region is a minimum of 64k, and there are at most 64 of them.
++ */
++#define VIA_CHROME9_NR_TEX_REGIONS 64
++#define VIA_CHROME9_LOG_MIN_TEX_REGION_SIZE 16
++#endif
++
++#define VIA_CHROME9_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
++#define VIA_CHROME9_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
++#define VIA_CHROME9_UPLOAD_CTX 0x4
++#define VIA_CHROME9_UPLOAD_BUFFERS 0x8
++#define VIA_CHROME9_UPLOAD_TEX0 0x10
++#define VIA_CHROME9_UPLOAD_TEX1 0x20
++#define VIA_CHROME9_UPLOAD_CLIPRECTS 0x40
++#define VIA_CHROME9_UPLOAD_ALL 0xff
++
++/* VIA_CHROME9 specific ioctls */
++#define DRM_VIA_CHROME9_ALLOCMEM 0x00
++#define DRM_VIA_CHROME9_FREEMEM 0x01
++#define DRM_VIA_CHROME9_FREE 0x02
++#define DRM_VIA_CHROME9_ALLOCATE_EVENT_TAG 0x03
++#define DRM_VIA_CHROME9_FREE_EVENT_TAG 0x04
++#define DRM_VIA_CHROME9_ALLOCATE_APERTURE 0x05
++#define DRM_VIA_CHROME9_FREE_APERTURE 0x06
++#define DRM_VIA_CHROME9_ALLOCATE_VIDEO_MEM 0x07
++#define DRM_VIA_CHROME9_FREE_VIDEO_MEM 0x08
++#define DRM_VIA_CHROME9_WAIT_CHIP_IDLE 0x09
++#define DRM_VIA_CHROME9_PROCESS_EXIT 0x0A
++#define DRM_VIA_CHROME9_RESTORE_PRIMARY 0x0B
++#define DRM_VIA_CHROME9_FLUSH_CACHE 0x0C
++#define DRM_VIA_CHROME9_INIT 0x0D
++#define DRM_VIA_CHROME9_FLUSH 0x0E
++#define DRM_VIA_CHROME9_CHECKVIDMEMSIZE 0x0F
++#define DRM_VIA_CHROME9_PCIEMEMCTRL 0x10
++#define DRM_VIA_CHROME9_AUTH_MAGIC 0x11
++#define DRM_VIA_CHROME9_GET_PCI_ID 0x12
++#define DRM_VIA_CHROME9_INIT_JUDGE 0x16
++#define DRM_VIA_CHROME9_DMA 0x17
++
++#define DRM_IOCTL_VIA_CHROME9_INIT \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_INIT, \
++ struct drm_via_chrome9_init)
++#define DRM_IOCTL_VIA_CHROME9_FLUSH \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_FLUSH, \
++ struct drm_via_chrome9_flush)
++#define DRM_IOCTL_VIA_CHROME9_FREE \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_FREE, int)
++#define DRM_IOCTL_VIA_CHROME9_ALLOCATE_EVENT_TAG \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_ALLOCATE_EVENT_TAG, \
++ struct drm_event_via_chrome9_tag)
++#define DRM_IOCTL_VIA_CHROME9_FREE_EVENT_TAG \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_FREE_EVENT_TAG, \
++ struct drm_event_via_chrome9_tag)
++#define DRM_IOCTL_VIA_CHROME9_ALLOCATE_APERTURE \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_ALLOCATE_APERTURE, \
++ struct drm_via_chrome9_aperture)
++#define DRM_IOCTL_VIA_CHROME9_FREE_APERTURE \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_FREE_APERTURE, \
++ struct drm_via_chrome9_aperture)
++#define DRM_IOCTL_VIA_CHROME9_ALLOCATE_VIDEO_MEM \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_ALLOCATE_VIDEO_MEM, \
++ struct drm_via_chrome9_memory_alloc)
++#define DRM_IOCTL_VIA_CHROME9_FREE_VIDEO_MEM \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_FREE_VIDEO_MEM, \
++ struct drm_via_chrome9_memory_alloc)
++#define DRM_IOCTL_VIA_CHROME9_WAIT_CHIP_IDLE \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_WAIT_CHIP_IDLE, int)
++#define DRM_IOCTL_VIA_CHROME9_PROCESS_EXIT \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_PROCESS_EXIT, int)
++#define DRM_IOCTL_VIA_CHROME9_RESTORE_PRIMARY \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_RESTORE_PRIMARY, int)
++#define DRM_IOCTL_VIA_CHROME9_FLUSH_CACHE \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_FLUSH_CACHE, int)
++#define DRM_IOCTL_VIA_CHROME9_ALLOCMEM \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_ALLOCMEM, int)
++#define DRM_IOCTL_VIA_CHROME9_FREEMEM \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_FREEMEM, int)
++#define DRM_IOCTL_VIA_CHROME9_CHECK_VIDMEM_SIZE \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_CHECKVIDMEMSIZE, \
++ struct drm_via_chrome9_memory_alloc)
++#define DRM_IOCTL_VIA_CHROME9_PCIEMEMCTRL \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_PCIEMEMCTRL,\
++ drm_via_chrome9_pciemem_ctrl_t)
++#define DRM_IOCTL_VIA_CHROME9_AUTH_MAGIC \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_AUTH_MAGIC, drm_auth_t)
++#define DRM_IOCTL_VIA_CHROME9_GET_PCI_ID \
++ DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_CHROME9_GET_PCI_ID, \
++ struct get_pci_id_struct)
++#define DRM_IOCTL_VIA_CHROME9_INIT_JUDGE \
++ DRM_IOR(DRM_COMMAND_BASE + DRM_VIA_CHROME9_INIT_JUDGE, int)
++#define DRM_IOCTL_VIA_CHROME9_DMA \
++ DRM_IO(DRM_COMMAND_BASE + DRM_VIA_CHROME9_DMA, int)
++
++enum S3GCHIPIDS {
++ CHIP_UNKNOWN = -1,
++ CHIP_CMODEL, /*Model for any chip. */
++ CHIP_CLB, /*Columbia */
++ CHIP_DST, /*Destination */
++ CHIP_CSR, /*Castlerock */
++ CHIP_INV, /*Innovation (H3) */
++ CHIP_H5, /*Innovation (H5) */
++ CHIP_H5S1, /*Innovation (H5S1) */
++ CHIP_H6S2, /*Innovation (H6S2) */
++ CHIP_CMS, /*Columbia MS */
++ CHIP_METRO, /*Metropolis */
++ CHIP_MANHATTAN, /*manhattan */
++ CHIP_MATRIX, /*matrix */
++ CHIP_EVO, /*change for GCC 4.1 -add- 07.02.12*/
++ CHIP_H6S1, /*Innovation (H6S1)*/
++ CHIP_DST2, /*Destination-2 */
++ CHIP_LAST /*Maximum number of chips supported. */
++};
++
++enum VIA_CHROME9CHIPBUS {
++ CHIP_PCI,
++ CHIP_AGP,
++ CHIP_PCIE
++};
++
++struct drm_via_chrome9_init {
++ enum {
++ VIA_CHROME9_INIT = 0x01,
++ VIA_CHROME9_CLEANUP = 0x02
++ } func;
++ int chip_agp;
++ int chip_index;
++ int chip_sub_index;
++ int usec_timeout;
++ unsigned int sarea_priv_offset;
++ unsigned int fb_cpp;
++ unsigned int front_offset;
++ unsigned int back_offset;
++ unsigned int depth_offset;
++ unsigned int mmio_handle;
++ unsigned int dma_handle;
++ unsigned int fb_handle;
++ unsigned int front_handle;
++ unsigned int back_handle;
++ unsigned int depth_handle;
++
++ unsigned int fb_tex_offset;
++ unsigned int fb_tex_size;
++
++ unsigned int agp_tex_size;
++ unsigned int agp_tex_handle;
++ unsigned int shadow_size;
++ unsigned int shadow_handle;
++ unsigned int garttable_size;
++ unsigned int garttable_offset;
++ unsigned long available_fb_size;
++ unsigned long fb_base_address;
++ unsigned int DMA_size;
++ unsigned long DMA_phys_address;
++ enum {
++ AGP_RING_BUFFER,
++ AGP_DOUBLE_BUFFER,
++ AGP_DISABLED
++ } agp_type;
++ unsigned int hostBlt_handle;
++};
++
++enum dma_cmd_type {
++ flush_bci = 0,
++ flush_bci_and_wait,
++ dma_kickoff,
++ flush_dma_buffer,
++ flush_dma_and_wait
++};
++
++struct drm_via_chrome9_flush {
++ enum dma_cmd_type dma_cmd_type;
++ /* command buffer index */
++ int cmd_idx;
++ /* command buffer offset */
++ int cmd_offset;
++ /* command dword size,command always from beginning */
++ int cmd_size;
++ /* if use dma kick off,it is dma kick off command */
++ unsigned long dma_kickoff[2];
++ /* user mode DMA buffer pointer */
++ unsigned int *usermode_dma_buf;
++};
++
++struct event_value {
++ int event_low;
++ int event_high;
++};
++
++struct drm_via_chrome9_event_tag {
++ unsigned int event_size; /* event tag size */
++ int event_offset; /* event tag id */
++ struct event_value last_sent_event_value;
++ struct event_value current_event_value;
++ int query_mask0;
++ int query_mask1;
++ int query_Id1;
++};
++
++/* Indices into buf.Setup where various bits of state are mirrored per
++ * context and per buffer. These can be fired at the card as a unit,
++ * or in a piecewise fashion as required.
++ */
++
++#define VIA_CHROME9_TEX_SETUP_SIZE 8
++
++/* Flags for clear ioctl
++ */
++#define VIA_CHROME9_FRONT 0x1
++#define VIA_CHROME9_BACK 0x2
++#define VIA_CHROME9_DEPTH 0x4
++#define VIA_CHROME9_STENCIL 0x8
++#define VIA_CHROME9_MEM_VIDEO 0 /* matches drm constant */
++#define VIA_CHROME9_MEM_AGP 1 /* matches drm constant */
++#define VIA_CHROME9_MEM_SYSTEM 2
++#define VIA_CHROME9_MEM_MIXED 3
++#define VIA_CHROME9_MEM_UNKNOWN 4
++
++struct drm_via_chrome9_agp {
++ uint32_t offset;
++ uint32_t size;
++};
++
++struct drm_via_chrome9_fb {
++ uint32_t offset;
++ uint32_t size;
++};
++
++struct drm_via_chrome9_mem {
++ uint32_t context;
++ uint32_t type;
++ uint32_t size;
++ unsigned long index;
++ unsigned long offset;
++};
++
++struct drm_via_chrome9_aperture {
++ /*IN: The frame buffer offset of the surface. */
++ int surface_offset;
++ /*IN: Surface pitch in byte, */
++ int pitch;
++ /*IN: Surface width in pixel */
++ int width;
++ /*IN: Surface height in pixel */
++ int height;
++ /*IN: Surface color format, Columbia has more color formats */
++ int color_format;
++ /*IN: Rotation degrees, only for Columbia */
++ int rotation_degree;
++ /*IN Is the PCIE Video, for MATRIX support NONLOCAL Aperture */
++ int isPCIEVIDEO;
++ /*IN: Is the surface tilled, only for Columbia */
++ int is_tiled;
++ /*IN: Only allocate apertur, not hardware setup. */
++ int allocate_only;
++ /* OUT: linear address for aperture */
++ unsigned int *aperture_linear_address;
++ /*OUT: The pitch of the aperture,for CPU write not for GE */
++ int aperture_pitch;
++ /*OUT: The index of the aperture */
++ int aperture_handle;
++ int apertureID;
++ /* always =0xAAAAAAAA */
++ /* Aligned surface's width(in pixel) */
++ int width_aligned;
++ /* Aligned surface's height(in pixel) */
++ int height_aligned;
++};
++
++/*
++ Some fileds of this data structure has no meaning now since
++ we have managed heap based on mechanism provided by DRM
++ Remain what it was to keep consistent with 3D driver interface.
++*/
++struct drm_via_chrome9_memory_alloc {
++ enum {
++ memory_heap_video = 0,
++ memory_heap_agp,
++ memory_heap_pcie_video,
++ memory_heap_pcie,
++ max_memory_heaps
++ } heap_type;
++ struct {
++ void *lpL1Node;
++ unsigned int alcL1Tag;
++ unsigned int usageCount;
++ unsigned int dwVersion;
++ unsigned int dwResHandle;
++ unsigned int dwProcessID;
++ } heap_info;
++ unsigned int flags;
++ unsigned int size;
++ unsigned int physaddress;
++ unsigned int offset;
++ unsigned int align;
++ void *linearaddress;
++};
++
++struct drm_via_chrome9_dma_init {
++ enum {
++ VIA_CHROME9_INIT_DMA = 0x01,
++ VIA_CHROME9_CLEANUP_DMA = 0x02,
++ VIA_CHROME9_DMA_INITIALIZED = 0x03
++ } func;
++
++ unsigned long offset;
++ unsigned long size;
++ unsigned long reg_pause_addr;
++};
++
++struct drm_via_chrome9_cmdbuffer {
++ char __user *buf;
++ unsigned long size;
++};
++
++/* Warning: If you change the SAREA structure you must change the Xserver
++ * structure as well */
++
++struct drm_via_chrome9_tex_region {
++ unsigned char next, prev; /* indices to form a circular LRU */
++ unsigned char inUse; /* owned by a client, or free? */
++ int age; /* tracked by clients to update local LRU's */
++};
++
++struct drm_via_chrome9_sarea {
++ int page_flip;
++ int current_page;
++ unsigned int req_drawable;/* the X drawable id */
++ unsigned int req_draw_buffer;/* VIA_CHROME9_FRONT or VIA_CHROME9_BACK */
++ /* Last context that uploaded state */
++ int ctx_owner;
++};
++
++struct drm_via_chrome9_cmdbuf_size {
++ enum {
++ VIA_CHROME9_CMDBUF_SPACE = 0x01,
++ VIA_CHROME9_CMDBUF_LAG = 0x02
++ } func;
++ int wait;
++ uint32_t size;
++};
++
++struct drm_via_chrome9_DMA_manager {
++ unsigned int *addr_linear;
++ unsigned int DMASize;
++ unsigned int bDMAAgp;
++ unsigned int LastIssuedEventTag;
++ unsigned int *pBeg;
++ unsigned int *pInUseByHW;
++ unsigned int **ppInUseByHW;
++ unsigned int *pInUseBySW;
++ unsigned int *pFree;
++ unsigned int *pEnd;
++
++ unsigned long pPhysical;
++ unsigned int MaxKickoffSize;
++};
++
++struct get_pci_id_struct {
++ unsigned int x;
++ unsigned int y;
++ unsigned int z;
++ unsigned int f;
++};
++
++
++extern void *via_chrome9_dev_v4l;
++extern void *via_chrome9_filepriv_v4l;
++extern int via_chrome9_ioctl_wait_chip_idle(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_init(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_allocate_event_tag(struct drm_device
++ *dev, void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_free_event_tag(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_driver_load(struct drm_device *dev,
++ unsigned long chipset);
++extern int via_chrome9_driver_unload(struct drm_device *dev);
++extern int via_chrome9_ioctl_process_exit(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_restore_primary(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_drm_resume(struct pci_dev *dev);
++extern int via_chrome9_drm_suspend(struct pci_dev *dev,
++ pm_message_t state);
++extern void __via_chrome9ke_udelay(unsigned long usecs);
++extern void via_chrome9_lastclose(struct drm_device *dev);
++extern void via_chrome9_preclose(struct drm_device *dev,
++ struct drm_file *file_priv);
++extern int via_chrome9_is_agp(struct drm_device *dev);
++
++
++#endif /* _VIA_CHROME9_DRM_H_ */
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_drv.c
+@@ -0,0 +1,224 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++
++#include "drmP.h"
++#include "via_chrome9_drm.h"
++#include "via_chrome9_drv.h"
++#include "via_chrome9_dma.h"
++#include "via_chrome9_mm.h"
++#include "via_chrome9_3d_reg.h"
++
++#define RING_BUFFER_INIT_FLAG 1
++#define RING_BUFFER_CLEANUP_FLAG 2
++
++static int dri_library_name(struct drm_device *dev, char *buf)
++{
++ return snprintf(buf, PAGE_SIZE, "via_chrome9");
++}
++
++int via_chrome9_drm_authmagic(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ return 0;
++}
++
++int via_chrome9_drm_get_pci_id(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ unsigned int *reg_val = data;
++ outl(0x8000002C, 0xCF8);
++ *reg_val = inl(0xCFC);
++ outl(0x8000012C, 0xCF8);
++ *(reg_val+1) = inl(0xCFC);
++ outl(0x8000022C, 0xCF8);
++ *(reg_val+2) = inl(0xCFC);
++ outl(0x8000052C, 0xCF8);
++ *(reg_val+3) = inl(0xCFC);
++
++ return 0;
++}
++int via_chrome9_drm_judge(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++
++ if (dev_priv->initialized)
++ *(int *)data = 1;
++ else
++ *(int *)data = -1;
++ return 0;
++}
++
++int via_chrome9_dma_init(struct drm_device *dev, void *data,
++ struct drm_file *file_priv)
++{
++ int tmp;
++ unsigned char sr6c;
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++ tmp = *((int *)data);
++
++ switch (tmp) {
++ case RING_BUFFER_INIT_FLAG:
++ via_chrome9_dma_init_inv(dev);
++ break;
++ case RING_BUFFER_CLEANUP_FLAG:
++ if (dev_priv->chip_sub_index == CHIP_H6S2) {
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c4, 0x6c);
++ sr6c = GetMMIORegisterU8(dev_priv->mmio->handle,
++ 0x83c5);
++ sr6c &= 0x7F;
++ SetMMIORegisterU8(dev_priv->mmio->handle, 0x83c5, sr6c);
++ }
++ break;
++ }
++ return 0;
++}
++
++
++
++struct drm_ioctl_desc via_chrome9_ioctls[] = {
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_INIT, via_chrome9_ioctl_init,
++ DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),/* via_chrome9_map.c*/
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_FLUSH, via_chrome9_ioctl_flush, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_FREE, via_chrome9_ioctl_free, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_ALLOCATE_EVENT_TAG,
++ via_chrome9_ioctl_allocate_event_tag, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_FREE_EVENT_TAG,
++ via_chrome9_ioctl_free_event_tag, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_ALLOCATE_APERTURE,
++ via_chrome9_ioctl_allocate_aperture, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_FREE_APERTURE,
++ via_chrome9_ioctl_free_aperture, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_ALLOCATE_VIDEO_MEM,
++ via_chrome9_ioctl_allocate_mem_wrapper, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_FREE_VIDEO_MEM,
++ via_chrome9_ioctl_free_mem_wrapper, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_WAIT_CHIP_IDLE,
++ via_chrome9_ioctl_wait_chip_idle, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_PROCESS_EXIT,
++ via_chrome9_ioctl_process_exit, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_RESTORE_PRIMARY,
++ via_chrome9_ioctl_restore_primary, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_FLUSH_CACHE,
++ via_chrome9_ioctl_flush_cache, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_ALLOCMEM,
++ via_chrome9_ioctl_allocate_mem_base, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_FREEMEM,
++ via_chrome9_ioctl_freemem_base, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_CHECKVIDMEMSIZE,
++ via_chrome9_ioctl_check_vidmem_size, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_PCIEMEMCTRL,
++ via_chrome9_ioctl_pciemem_ctrl, DRM_AUTH),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_AUTH_MAGIC, via_chrome9_drm_authmagic, 0),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_GET_PCI_ID,
++ via_chrome9_drm_get_pci_id, 0),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_INIT_JUDGE, via_chrome9_drm_judge, 0),
++ DRM_IOCTL_DEF(DRM_VIA_CHROME9_DMA, via_chrome9_dma_init, 0)
++};
++
++int via_chrome9_max_ioctl = DRM_ARRAY_SIZE(via_chrome9_ioctls);
++
++static struct pci_device_id pciidlist[] = {
++ {0x1106, 0x3225, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
++ {0x1106, 0x3230, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_CHROME9_DX9_0},
++ {0x1106, 0x3371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
++ {0x1106, 0x1122, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_CHROME9_PCIE_GROUP},
++ {0x1106, 0x5122, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_CHROME9_PCIE_GROUP},
++ {0, 0, 0}
++};
++
++int via_chrome9_driver_open(struct drm_device *dev,
++ struct drm_file *priv)
++{
++ priv->authenticated = 1;
++ return 0;
++}
++
++static struct drm_driver driver = {
++ .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP |
++ DRIVER_HAVE_DMA | DRIVER_FB_DMA | DRIVER_USE_MTRR,
++ .open = via_chrome9_driver_open,
++ .load = via_chrome9_driver_load,
++ .unload = via_chrome9_driver_unload,
++ .device_is_agp = via_chrome9_is_agp,
++ .dri_library_name = dri_library_name,
++ .reclaim_buffers = drm_core_reclaim_buffers,
++ .reclaim_buffers_locked = NULL,
++ .reclaim_buffers_idlelocked = via_chrome9_reclaim_buffers_locked,
++ .lastclose = via_chrome9_lastclose,
++ .preclose = via_chrome9_preclose,
++ .get_map_ofs = drm_core_get_map_ofs,
++ .get_reg_ofs = drm_core_get_reg_ofs,
++ .ioctls = via_chrome9_ioctls,
++ .fops = {
++ .owner = THIS_MODULE,
++ .open = drm_open,
++ .release = drm_release,
++ .ioctl = drm_ioctl,
++ .mmap = drm_mmap,
++ .poll = drm_poll,
++ .fasync = drm_fasync,
++ },
++ .pci_driver = {
++ .name = DRIVER_NAME,
++ .id_table = pciidlist,
++ .resume = via_chrome9_drm_resume,
++ .suspend = via_chrome9_drm_suspend,
++ },
++
++ .name = DRIVER_NAME,
++ .desc = DRIVER_DESC,
++ .date = DRIVER_DATE,
++ .major = DRIVER_MAJOR,
++ .minor = DRIVER_MINOR,
++ .patchlevel = DRIVER_PATCHLEVEL,
++};
++
++static int __init via_chrome9_init(void)
++{
++ driver.num_ioctls = via_chrome9_max_ioctl;
++#if VIA_CHROME9_VERIFY_ENABLE
++ via_chrome9_init_command_verifier();
++ DRM_INFO("via_chrome9 verify function enabled. \n");
++#endif
++ driver.dev_priv_size = sizeof(struct drm_via_chrome9_private);
++ return drm_init(&driver);
++}
++
++static void __exit via_chrome9_exit(void)
++{
++ drm_exit(&driver);
++}
++
++module_init(via_chrome9_init);
++module_exit(via_chrome9_exit);
++
++MODULE_AUTHOR(DRIVER_AUTHOR);
++MODULE_DESCRIPTION(DRIVER_DESC);
++MODULE_LICENSE("GPL and additional rights");
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_drv.h
+@@ -0,0 +1,150 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++#ifndef _VIA_CHROME9_DRV_H_
++#define _VIA_CHROME9_DRV_H_
++
++#include "drm_sman.h"
++#include "via_chrome9_verifier.h"
++#define DRIVER_AUTHOR "Various"
++
++#define DRIVER_NAME "via_chrome9"
++#define DRIVER_DESC "VIA_CHROME9 Unichrome / Pro"
++#define DRIVER_DATE "20080415"
++
++#define DRIVER_MAJOR 2
++#define DRIVER_MINOR 11
++#define DRIVER_PATCHLEVEL 1
++
++#define via_chrome9_FIRE_BUF_SIZE 1024
++#define via_chrome9_NUM_IRQS 4
++
++#define MAX_MEMORY_HEAPS 4
++#define NUMBER_OF_APERTURES 32
++
++/*typedef struct drm_via_chrome9_shadow_map drm_via_chrome9_shadow_map_t;*/
++struct drm_via_chrome9_shadow_map {
++ struct drm_map *shadow;
++ unsigned int shadow_size;
++ unsigned int *shadow_handle;
++};
++
++/*typedef struct drm_via_chrome9_pagetable_map
++ *drm_via_chrome9_pagetable_map_t;
++ */
++struct drm_via_chrome9_pagetable_map {
++ unsigned int pagetable_offset;
++ unsigned int pagetable_size;
++ unsigned int *pagetable_handle;
++ unsigned int mmt_register;
++};
++
++/*typedef struct drm_via_chrome9_private drm_via_chrome9_private_t;*/
++struct drm_via_chrome9_private {
++ int chip_agp;
++ int chip_index;
++ int chip_sub_index;
++
++ unsigned long front_offset;
++ unsigned long back_offset;
++ unsigned long depth_offset;
++ unsigned long fb_base_address;
++ unsigned long available_fb_size;
++ int usec_timeout;
++ int max_apertures;
++ struct drm_sman sman;
++ unsigned int alignment;
++ /* bit[31]:0:indicate no alignment needed,1:indicate
++ alignment needed and size is bit[0:30]*/
++
++ struct drm_map *sarea;
++ struct drm_via_chrome9_sarea *sarea_priv;
++
++ struct drm_map *mmio;
++ struct drm_map *hostBlt;
++ struct drm_map *fb;
++ struct drm_map *front;
++ struct drm_map *back;
++ struct drm_map *depth;
++ struct drm_map *agp_tex;
++ unsigned int agp_size;
++ unsigned int agp_offset;
++
++ struct semaphore *drm_s3g_sem;
++
++ struct drm_via_chrome9_shadow_map shadow_map;
++ struct drm_via_chrome9_pagetable_map pagetable_map;
++
++ char *bci;
++
++ int aperture_usage[NUMBER_OF_APERTURES];
++ void *event_tag_info;
++
++ /* DMA buffer manager */
++ void *dma_manager;
++ /* Indicate agp/pcie heap initialization flag */
++ int agp_initialized;
++ /* Indicate video heap initialization flag */
++ int vram_initialized;
++
++ unsigned long pcie_vmalloc_addr;
++
++ /* pointer to device information */
++ void *dev;
++ /* if agp init fail, go ahead and force dri use PCI*/
++ enum {
++ DRM_AGP_RING_BUFFER,
++ DRM_AGP_DOUBLE_BUFFER,
++ DRM_AGP_DISABLED
++ } drm_agp_type;
++ /*end*/
++#if VIA_CHROME9_VERIFY_ENABLE
++ struct drm_via_chrome9_state hc_state;
++#endif
++ unsigned long *bci_buffer;
++ unsigned long pcie_vmalloc_nocache;
++ unsigned char gti_backup[13];
++ int initialized;
++
++};
++
++
++enum via_chrome9_family {
++ VIA_CHROME9_OTHER = 0, /* Baseline */
++ VIA_CHROME9_PRO_GROUP_A,/* Another video engine and DMA commands */
++ VIA_CHROME9_DX9_0,
++ VIA_CHROME9_PCIE_GROUP
++};
++
++/* VIA_CHROME9 MMIO register access */
++#define VIA_CHROME9_BASE ((dev_priv->mmio))
++
++#define VIA_CHROME9_READ(reg) DRM_READ32(VIA_CHROME9_BASE, reg)
++#define VIA_CHROME9_WRITE(reg, val) DRM_WRITE32(VIA_CHROME9_BASE, reg, val)
++#define VIA_CHROME9_READ8(reg) DRM_READ8(VIA_CHROME9_BASE, reg)
++#define VIA_CHROME9_WRITE8(reg, val) DRM_WRITE8(VIA_CHROME9_BASE, reg, val)
++
++#endif
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_mm.c
+@@ -0,0 +1,435 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++
++#include "drmP.h"
++#include "via_chrome9_drm.h"
++#include "via_chrome9_drv.h"
++#include "drm_sman.h"
++#include "via_chrome9_mm.h"
++
++#define VIA_CHROME9_MM_GRANULARITY 4
++#define VIA_CHROME9_MM_GRANULARITY_MASK ((1 << VIA_CHROME9_MM_GRANULARITY) - 1)
++
++
++int via_chrome9_map_init(struct drm_device *dev,
++ struct drm_via_chrome9_init *init)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++
++ dev_priv->sarea = drm_getsarea(dev);
++ if (!dev_priv->sarea) {
++ DRM_ERROR("could not find sarea!\n");
++ goto error;
++ }
++ dev_priv->sarea_priv =
++ (struct drm_via_chrome9_sarea *)((unsigned char *)dev_priv->
++ sarea->handle + init->sarea_priv_offset);
++
++ dev_priv->fb = drm_core_findmap(dev, init->fb_handle);
++ if (!dev_priv->fb) {
++ DRM_ERROR("could not find framebuffer!\n");
++ goto error;
++ }
++ /* Frame buffer physical base address */
++ dev_priv->fb_base_address = init->fb_base_address;
++
++ if (init->shadow_size) {
++ /* find apg shadow region mappings */
++ dev_priv->shadow_map.shadow = drm_core_findmap(dev, init->
++ shadow_handle);
++ if (!dev_priv->shadow_map.shadow) {
++ DRM_ERROR("could not shadow map!\n");
++ goto error;
++ }
++ dev_priv->shadow_map.shadow_size = init->shadow_size;
++ dev_priv->shadow_map.shadow_handle = (unsigned int *)dev_priv->
++ shadow_map.shadow->handle;
++ init->shadow_handle = dev_priv->shadow_map.shadow->offset;
++ }
++ if (init->agp_tex_size && init->chip_agp != CHIP_PCIE) {
++ /* find apg texture buffer mappings */
++ dev_priv->agp_tex = drm_core_findmap(dev, init->agp_tex_handle);
++ dev_priv->agp_size = init->agp_tex_size;
++ dev_priv->agp_offset = init->agp_tex_handle;
++ if (!dev_priv->agp_tex) {
++ DRM_ERROR("could not find agp texture map !\n");
++ goto error;
++ }
++ }
++ /* find mmio/dma mappings */
++ dev_priv->mmio = drm_core_findmap(dev, init->mmio_handle);
++ if (!dev_priv->mmio) {
++ DRM_ERROR("failed to find mmio region!\n");
++ goto error;
++ }
++
++ dev_priv->hostBlt = drm_core_findmap(dev, init->hostBlt_handle);
++ if (!dev_priv->hostBlt) {
++ DRM_ERROR("failed to find host bitblt region!\n");
++ goto error;
++ }
++
++ dev_priv->drm_agp_type = init->agp_type;
++ if (init->agp_type != AGP_DISABLED && init->chip_agp != CHIP_PCIE) {
++ dev->agp_buffer_map = drm_core_findmap(dev, init->dma_handle);
++ if (!dev->agp_buffer_map) {
++ DRM_ERROR("failed to find dma buffer region!\n");
++ goto error;
++ }
++ }
++
++ dev_priv->bci = (char *)dev_priv->mmio->handle + 0x10000;
++
++ return 0;
++
++error:
++ /* do cleanup here, refine_later */
++ return -EINVAL;
++}
++
++int via_chrome9_heap_management_init(struct drm_device *dev,
++ struct drm_via_chrome9_init *init)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ int ret = 0;
++
++ /* video memory management. range: 0 ---- video_whole_size */
++ mutex_lock(&dev->struct_mutex);
++ ret = drm_sman_set_range(&dev_priv->sman, VIA_CHROME9_MEM_VIDEO,
++ 0, dev_priv->available_fb_size >> VIA_CHROME9_MM_GRANULARITY);
++ if (ret) {
++ DRM_ERROR("VRAM memory manager initialization ******ERROR\
++ !******\n");
++ mutex_unlock(&dev->struct_mutex);
++ goto error;
++ }
++ dev_priv->vram_initialized = 1;
++ /* agp/pcie heap management.
++ note:because agp is contradict with pcie, so only one is enough
++ for managing both of them.*/
++ init->agp_type = dev_priv->drm_agp_type;
++ if (init->agp_type != AGP_DISABLED && dev_priv->agp_size) {
++ ret = drm_sman_set_range(&dev_priv->sman, VIA_CHROME9_MEM_AGP,
++ 0, dev_priv->agp_size >> VIA_CHROME9_MM_GRANULARITY);
++ if (ret) {
++ DRM_ERROR("AGP/PCIE memory manager initialization ******ERROR\
++ !******\n");
++ mutex_unlock(&dev->struct_mutex);
++ goto error;
++ }
++ dev_priv->agp_initialized = 1;
++ }
++ mutex_unlock(&dev->struct_mutex);
++ return 0;
++
++error:
++ /* Do error recover here, refine_later */
++ return -EINVAL;
++}
++
++
++void via_chrome9_memory_destroy_heap(struct drm_device *dev,
++ struct drm_via_chrome9_private *dev_priv)
++{
++ mutex_lock(&dev->struct_mutex);
++ drm_sman_cleanup(&dev_priv->sman);
++ dev_priv->vram_initialized = 0;
++ dev_priv->agp_initialized = 0;
++ mutex_unlock(&dev->struct_mutex);
++}
++
++void via_chrome9_reclaim_buffers_locked(struct drm_device *dev,
++ struct drm_file *file_priv)
++{
++ return;
++}
++
++int via_chrome9_ioctl_allocate_aperture(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ return 0;
++}
++
++int via_chrome9_ioctl_free_aperture(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ return 0;
++}
++
++
++/* Allocate memory from DRM module for video playing */
++int via_chrome9_ioctl_allocate_mem_base(struct drm_device *dev,
++void *data, struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_mem *mem = data;
++ struct drm_memblock_item *item;
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ unsigned long tmpSize = 0, offset = 0, alignment = 0;
++ /* modify heap_type to agp for pcie, since we treat pcie/agp heap
++ no difference in heap management */
++ if (mem->type == memory_heap_pcie) {
++ if (dev_priv->chip_agp != CHIP_PCIE) {
++ DRM_ERROR("User want to alloc memory from pcie heap \
++ but via_chrome9.ko has no this heap exist.\n");
++ return -EINVAL;
++ }
++ mem->type = memory_heap_agp;
++ }
++
++ if (mem->type > VIA_CHROME9_MEM_AGP) {
++ DRM_ERROR("Unknown memory type allocation\n");
++ return -EINVAL;
++ }
++ mutex_lock(&dev->struct_mutex);
++ if (0 == ((mem->type == VIA_CHROME9_MEM_VIDEO) ?
++ dev_priv->vram_initialized : dev_priv->agp_initialized)) {
++ DRM_ERROR("Attempt to allocate from uninitialized\
++ memory manager.\n");
++ mutex_unlock(&dev->struct_mutex);
++ return -EINVAL;
++ }
++ tmpSize = (mem->size + VIA_CHROME9_MM_GRANULARITY_MASK) >>
++ VIA_CHROME9_MM_GRANULARITY;
++ mem->size = tmpSize << VIA_CHROME9_MM_GRANULARITY;
++ alignment = (dev_priv->alignment & 0x80000000) ? dev_priv->
++ alignment & 0x7FFFFFFF : 0;
++ alignment /= (1 << VIA_CHROME9_MM_GRANULARITY);
++ item = drm_sman_alloc(&dev_priv->sman, mem->type, tmpSize, alignment,
++ (unsigned long)file_priv);
++ mutex_unlock(&dev->struct_mutex);
++ /* alloc failed */
++ if (!item) {
++ DRM_ERROR("Allocate memory failed ******ERROR******.\n");
++ return -ENOMEM;
++ }
++ /* Till here every thing is ok, we check the memory type allocated
++ and return appropriate value to user mode Here the value return to
++ user is very difficult to operate. BE CAREFULLY!!! */
++ /* offset is used by user mode ap to calculate the virtual address
++ which is used to access the memory allocated */
++ mem->index = item->user_hash.key;
++ offset = item->mm->offset(item->mm, item->mm_info) <<
++ VIA_CHROME9_MM_GRANULARITY;
++ switch (mem->type) {
++ case VIA_CHROME9_MEM_VIDEO:
++ mem->offset = offset + dev_priv->back_offset;
++ break;
++ case VIA_CHROME9_MEM_AGP:
++ /* return different value to user according to the chip type */
++ if (dev_priv->chip_agp == CHIP_PCIE) {
++ mem->offset = offset +
++ ((struct drm_via_chrome9_DMA_manager *)dev_priv->
++ dma_manager)->DMASize * sizeof(unsigned long);
++ } else {
++ mem->offset = offset;
++ }
++ break;
++ default:
++ /* Strange thing happen! Faint. Code bug! */
++ DRM_ERROR("Enter here is impossible ******\
++ ERROR******.\n");
++ return -EINVAL;
++ }
++ /*DONE. Need we call function copy_to_user ?NO. We can't even
++ touch user's space.But we are lucky, since kernel drm:drm_ioctl
++ will to the job for us. */
++ return 0;
++}
++
++/* Allocate video/AGP/PCIE memory from heap management */
++int via_chrome9_ioctl_allocate_mem_wrapper(struct drm_device
++ *dev, void *data, struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_memory_alloc *memory_alloc =
++ (struct drm_via_chrome9_memory_alloc *)data;
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_mem mem;
++
++ mem.size = memory_alloc->size;
++ mem.type = memory_alloc->heap_type;
++ dev_priv->alignment = memory_alloc->align | 0x80000000;
++ if (via_chrome9_ioctl_allocate_mem_base(dev, &mem, file_priv)) {
++ DRM_ERROR("Allocate memory error!.\n");
++ return -ENOMEM;
++ }
++ dev_priv->alignment = 0;
++ /* Till here every thing is ok, we check the memory type allocated and
++ return appropriate value to user mode Here the value return to user is
++ very difficult to operate. BE CAREFULLY!!!*/
++ /* offset is used by user mode ap to calculate the virtual address
++ which is used to access the memory allocated */
++ memory_alloc->offset = mem.offset;
++ memory_alloc->heap_info.lpL1Node = (void *)mem.index;
++ memory_alloc->size = mem.size;
++ switch (memory_alloc->heap_type) {
++ case VIA_CHROME9_MEM_VIDEO:
++ memory_alloc->physaddress = memory_alloc->offset +
++ dev_priv->fb_base_address;
++ memory_alloc->linearaddress = (void *)memory_alloc->physaddress;
++ break;
++ case VIA_CHROME9_MEM_AGP:
++ /* return different value to user according to the chip type */
++ if (dev_priv->chip_agp == CHIP_PCIE) {
++ memory_alloc->physaddress = memory_alloc->offset;
++ memory_alloc->linearaddress = (void *)memory_alloc->
++ physaddress;
++ } else {
++ memory_alloc->physaddress = dev->agp->base +
++ memory_alloc->offset +
++ ((struct drm_via_chrome9_DMA_manager *)
++ dev_priv->dma_manager)->DMASize * sizeof(unsigned long);
++ memory_alloc->linearaddress =
++ (void *)memory_alloc->physaddress;
++ }
++ break;
++ default:
++ /* Strange thing happen! Faint. Code bug! */
++ DRM_ERROR("Enter here is impossible ******ERROR******.\n");
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int via_chrome9_ioctl_free_mem_wrapper(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_memory_alloc *memory_alloc = data;
++ struct drm_via_chrome9_mem mem;
++
++ mem.index = (unsigned long)memory_alloc->heap_info.lpL1Node;
++ if (via_chrome9_ioctl_freemem_base(dev, &mem, file_priv)) {
++ DRM_ERROR("function free_mem_wrapper error.\n");
++ return -EINVAL;
++ }
++
++ return 0;
++}
++
++int via_chrome9_ioctl_freemem_base(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ struct drm_via_chrome9_private *dev_priv = dev->dev_private;
++ struct drm_via_chrome9_mem *mem = data;
++ int ret;
++
++ mutex_lock(&dev->struct_mutex);
++ ret = drm_sman_free_key(&dev_priv->sman, mem->index);
++ mutex_unlock(&dev->struct_mutex);
++ DRM_DEBUG("free = 0x%lx\n", mem->index);
++
++ return ret;
++}
++
++int via_chrome9_ioctl_check_vidmem_size(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ return 0;
++}
++
++int via_chrome9_ioctl_pciemem_ctrl(struct drm_device *dev,
++ void *data, struct drm_file *file_priv)
++{
++ int result = 0;
++ struct drm_via_chrome9_private *dev_priv = dev->dev_private;
++ struct drm_via_chrome9_pciemem_ctrl *pcie_memory_ctrl = data;
++ switch (pcie_memory_ctrl->ctrl_type) {
++ case pciemem_copy_from_user:
++ result = copy_from_user((void *)(
++ dev_priv->pcie_vmalloc_nocache+
++ pcie_memory_ctrl->pcieoffset),
++ pcie_memory_ctrl->usermode_data,
++ pcie_memory_ctrl->size);
++ break;
++ case pciemem_copy_to_user:
++ result = copy_to_user(pcie_memory_ctrl->usermode_data,
++ (void *)(dev_priv->pcie_vmalloc_nocache+
++ pcie_memory_ctrl->pcieoffset),
++ pcie_memory_ctrl->size);
++ break;
++ case pciemem_memset:
++ memset((void *)(dev_priv->pcie_vmalloc_nocache +
++ pcie_memory_ctrl->pcieoffset),
++ pcie_memory_ctrl->memsetdata,
++ pcie_memory_ctrl->size);
++ break;
++ default:
++ break;
++ }
++ return 0;
++}
++
++
++int via_fb_alloc(struct drm_via_chrome9_mem *mem)
++{
++ struct drm_device *dev = (struct drm_device *)via_chrome9_dev_v4l;
++ struct drm_via_chrome9_private *dev_priv;
++
++ if (!dev || !dev->dev_private || !via_chrome9_filepriv_v4l) {
++ DRM_ERROR("V4L work before X initialize DRM module !!!\n");
++ return -EINVAL;
++ }
++
++ dev_priv = (struct drm_via_chrome9_private *)dev->dev_private;
++ if (!dev_priv->vram_initialized ||
++ mem->type != VIA_CHROME9_MEM_VIDEO) {
++ DRM_ERROR("the memory type from V4L is error !!!\n");
++ return -EINVAL;
++ }
++
++ if (via_chrome9_ioctl_allocate_mem_base(dev,
++ mem, via_chrome9_filepriv_v4l)) {
++ DRM_ERROR("DRM module allocate memory error for V4L!!!\n");
++ return -EINVAL;
++ }
++
++ return 0;
++}
++EXPORT_SYMBOL(via_fb_alloc);
++
++int via_fb_free(struct drm_via_chrome9_mem *mem)
++{
++ struct drm_device *dev = (struct drm_device *)via_chrome9_dev_v4l;
++ struct drm_via_chrome9_private *dev_priv;
++
++ if (!dev || !dev->dev_private || !via_chrome9_filepriv_v4l)
++ return -EINVAL;
++
++ dev_priv = (struct drm_via_chrome9_private *)dev->dev_private;
++ if (!dev_priv->vram_initialized ||
++ mem->type != VIA_CHROME9_MEM_VIDEO)
++ return -EINVAL;
++
++ if (via_chrome9_ioctl_freemem_base(dev, mem, via_chrome9_filepriv_v4l))
++ return -EINVAL;
++
++ return 0;
++}
++EXPORT_SYMBOL(via_fb_free);
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_mm.h
+@@ -0,0 +1,67 @@
++/*
++ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
++ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person
++ * obtaining a copy of this software and associated documentation
++ * files (the "Software"), to deal in the Software without
++ * restriction, including without limitation the rights to use,
++ * copy, modify, merge, publish, distribute, sub license,
++ * and/or sell copies of the Software, and to permit persons to
++ * whom the Software is furnished to do so, subject to the
++ * following conditions:
++ *
++ * The above copyright notice and this permission notice
++ * (including the next paragraph) shall be included in all
++ * copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
++ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
++ * NON-INFRINGEMENT. IN NO EVENT SHALL VIA, S3 GRAPHICS, AND/OR
++ * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++ */
++#ifndef _VIA_CHROME9_MM_H_
++#define _VIA_CHROME9_MM_H_
++struct drm_via_chrome9_pciemem_ctrl {
++ enum {
++ pciemem_copy_from_user = 0,
++ pciemem_copy_to_user,
++ pciemem_memset,
++ } ctrl_type;
++ unsigned int pcieoffset;
++ unsigned int size;/*in Byte*/
++ unsigned char memsetdata;/*for memset*/
++ void *usermode_data;/*user mode data pointer*/
++};
++
++extern int via_chrome9_map_init(struct drm_device *dev,
++ struct drm_via_chrome9_init *init);
++extern int via_chrome9_heap_management_init(struct drm_device
++ *dev, struct drm_via_chrome9_init *init);
++extern void via_chrome9_memory_destroy_heap(struct drm_device
++ *dev, struct drm_via_chrome9_private *dev_priv);
++extern int via_chrome9_ioctl_check_vidmem_size(struct drm_device
++ *dev, void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_pciemem_ctrl(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_allocate_aperture(struct drm_device
++ *dev, void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_free_aperture(struct drm_device *dev,
++ void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_allocate_mem_base(struct drm_device
++ *dev, void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_allocate_mem_wrapper(
++ struct drm_device *dev, void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_freemem_base(struct drm_device
++ *dev, void *data, struct drm_file *file_priv);
++extern int via_chrome9_ioctl_free_mem_wrapper(struct drm_device
++ *dev, void *data, struct drm_file *file_priv);
++extern void via_chrome9_reclaim_buffers_locked(struct drm_device
++ *dev, struct drm_file *file_priv);
++
++#endif
++
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_verifier.c
+@@ -0,0 +1,982 @@
++/*
++* Copyright 2004 The Unichrome Project. All Rights Reserved.
++* Copyright 2005 Thomas Hellstrom. All Rights Reserved.
++*
++* Permission is hereby granted, free of charge, to any person obtaining a
++* copy of this software and associated documentation files (the "Software"),
++* to deal in the Software without restriction, including without limitation
++* the rights to use, copy, modify, merge, publish, distribute, sub license,
++* and/or sell copies of the Software, and to permit persons to whom the
++* Software is furnished to do so, subject to the following conditions:
++*
++* The above copyright notice and this permission notice (including the
++* next paragraph) shall be included in all copies or substantial portions
++* of the Software.
++*
++* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
++* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
++* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
++* THE AUTHOR(S), AND/OR THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES
++* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
++* DEALINGS IN THE SOFTWARE.
++*
++* This code was written using docs obtained under NDA from VIA Inc.
++*
++* Don't run this code directly on an AGP buffer. Due to cache problems it will
++* be very slow.
++*/
++
++#include "via_chrome9_3d_reg.h"
++#include "drmP.h"
++#include "drm.h"
++#include "via_chrome9_drm.h"
++#include "via_chrome9_verifier.h"
++#include "via_chrome9_drv.h"
++
++#if VIA_CHROME9_VERIFY_ENABLE
++
++enum verifier_state {
++ state_command,
++ state_header0,
++ state_header1,
++ state_header2,
++ state_header3,
++ state_header4,
++ state_header5,
++ state_header6,
++ state_header7,
++ state_error
++};
++
++enum hazard {
++ no_check = 0,
++ check_render_target_addr0,
++ check_render_target_addr1,
++ check_render_target_addr_mode,
++ check_z_buffer_addr0,
++ check_z_buffer_addr1,
++ check_z_buffer_addr_mode,
++ check_zocclusion_addr0,
++ check_zocclusion_addr1,
++ check_coarse_z_addr0,
++ check_coarse_z_addr1,
++ check_fvf_addr_mode,
++ check_t_level0_facen_addr0,
++ check_fence_cmd_addr0,
++ check_fence_cmd_addr1,
++ check_fence_cmd_addr2,
++ forbidden_command
++};
++
++/*
++ * Associates each hazard above with a possible multi-command
++ * sequence. For example an address that is split over multiple
++ * commands and that needs to be checked at the first command
++ * that does not include any part of the address.
++ */
++
++static enum drm_via_chrome9_sequence seqs[] = {
++ no_sequence,
++ dest_address,
++ dest_address,
++ dest_address,
++ z_address,
++ z_address,
++ z_address,
++ zocclusion_address,
++ zocclusion_address,
++ coarse_z_address,
++ coarse_z_address,
++ fvf_address,
++ tex_address,
++ fence_cmd_address,
++ fence_cmd_address,
++ fence_cmd_address,
++ no_sequence
++};
++
++struct hz_init {
++ unsigned int code;
++ enum hazard hz;
++};
++/* for atrribute other than context hazard detect */
++static struct hz_init init_table1[] = {
++ {0xcc, no_check},
++ {0xcd, no_check},
++ {0xce, no_check},
++ {0xcf, no_check},
++ {0xdd, no_check},
++ {0xee, no_check},
++ {0x00, no_check},
++ {0x01, no_check},
++ {0x10, check_z_buffer_addr0},
++ {0x11, check_z_buffer_addr1},
++ {0x12, check_z_buffer_addr_mode},
++ {0x13, no_check},
++ {0x14, no_check},
++ {0x15, no_check},
++ {0x16, no_check},
++ {0x17, no_check},
++ {0x18, no_check},
++ {0x19, no_check},
++ {0x1a, no_check},
++ {0x1b, no_check},
++ {0x1c, no_check},
++ {0x1d, no_check},
++ {0x1e, no_check},
++ {0x1f, no_check},
++ {0x20, no_check},
++ {0x21, check_zocclusion_addr0},
++ {0x22, check_zocclusion_addr1},
++ {0x23, no_check},
++ {0x24, no_check},
++ {0x25, no_check},
++ {0x26, no_check},
++ {0x27, no_check},
++ /* H5 only*/
++ {0x28, no_check},
++ {0x29, check_coarse_z_addr0},
++ {0x2a, check_coarse_z_addr1},
++ {0x33, no_check},
++ {0x34, no_check},
++ {0x35, no_check},
++ {0x36, no_check},
++ {0x37, no_check},
++ {0x38, no_check},
++ {0x39, no_check},
++ {0x3A, no_check},
++ {0x3B, no_check},
++ {0x3C, no_check},
++ {0x3D, no_check},
++ {0x3E, no_check},
++ {0x3F, no_check},
++ /*render target check */
++ {0x50, check_render_target_addr0},
++ /* H5/H6 different */
++ {0x51, check_render_target_addr_mode},
++ {0x52, check_render_target_addr1},
++ {0x53, no_check},
++ {0x58, check_render_target_addr0},
++ {0x59, check_render_target_addr_mode},
++ {0x5a, check_render_target_addr1},
++ {0x5b, no_check},
++ {0x60, check_render_target_addr0},
++ {0x61, check_render_target_addr_mode},
++ {0x62, check_render_target_addr1},
++ {0x63, no_check},
++ {0x68, check_render_target_addr0},
++ {0x69, check_render_target_addr_mode},
++ {0x6a, check_render_target_addr1},
++ {0x6b, no_check},
++ {0x70, no_check},
++ {0x71, no_check},
++ {0x72, no_check},
++ {0x73, no_check},
++ {0x74, no_check},
++ {0x75, no_check},
++ {0x76, no_check},
++ {0x77, no_check},
++ {0x78, no_check},
++ {0x80, no_check},
++ {0x81, no_check},
++ {0x82, no_check},
++ {0x83, no_check},
++ {0x84, no_check},
++ {0x85, no_check},
++ {0x86, no_check},
++ {0x87, no_check},
++ {0x88, no_check},
++ {0x89, no_check},
++ {0x8a, no_check},
++ {0x90, no_check},
++ {0x91, no_check},
++ {0x92, no_check},
++ {0x93, no_check},
++ {0x94, no_check},
++ {0x95, no_check},
++ {0x96, no_check},
++ {0x97, no_check},
++ {0x98, no_check},
++ {0x99, no_check},
++ {0x9a, no_check},
++ {0x9b, no_check},
++ {0xaa, no_check}
++};
++
++/* for texture stage's hazard detect */
++static struct hz_init init_table2[] = {
++ {0xcc, no_check},
++ {0xcd, no_check},
++ {0xce, no_check},
++ {0xcf, no_check},
++ {0xdd, no_check},
++ {0xee, no_check},
++ {0x00, no_check},
++ {0x01, no_check},
++ {0x02, no_check},
++ {0x03, no_check},
++ {0x04, no_check},
++ {0x05, no_check},
++ /* H5/H6 diffent */
++ {0x18, check_t_level0_facen_addr0},
++ {0x20, no_check},
++ {0x21, no_check},
++ {0x22, no_check},
++ {0x30, no_check},
++ {0x50, no_check},
++ {0x51, no_check},
++ {0x9b, no_check},
++};
++
++/*Check for flexible vertex format */
++static struct hz_init init_table3[] = {
++ {0xcc, no_check},
++ {0xcd, no_check},
++ {0xce, no_check},
++ {0xcf, no_check},
++ {0xdd, no_check},
++ {0xee, no_check},
++ /* H5/H6 different */
++ {0x00, check_fvf_addr_mode},
++ {0x01, no_check},
++ {0x02, no_check},
++ {0x03, no_check},
++ {0x04, no_check},
++ {0x05, no_check},
++ {0x08, no_check},
++ {0x09, no_check},
++ {0x0a, no_check},
++ {0x0b, no_check},
++ {0x0c, no_check},
++ {0x0d, no_check},
++ {0x0e, no_check},
++ {0x0f, no_check},
++ {0x10, no_check},
++ {0x11, no_check},
++ {0x12, no_check},
++ {0x13, no_check},
++ {0x14, no_check},
++ {0x15, no_check},
++ {0x16, no_check},
++ {0x17, no_check},
++ {0x18, no_check},
++ {0x19, no_check},
++ {0x1a, no_check},
++ {0x1b, no_check},
++ {0x1c, no_check},
++ {0x1d, no_check},
++ {0x1e, no_check},
++ {0x1f, no_check},
++ {0x20, no_check},
++ {0x21, no_check},
++ {0x22, no_check},
++ {0x23, no_check},
++ {0x24, no_check},
++ {0x25, no_check},
++ {0x26, no_check},
++ {0x27, no_check},
++ {0x28, no_check},
++ {0x29, no_check},
++ {0x2a, no_check},
++ {0x2b, no_check},
++ {0x2c, no_check},
++ {0x2d, no_check},
++ {0x2e, no_check},
++ {0x2f, no_check},
++ {0x40, no_check},
++ {0x41, no_check},
++ {0x42, no_check},
++ {0x43, no_check},
++ {0x44, no_check},
++ {0x45, no_check},
++ {0x46, no_check},
++ {0x47, no_check},
++ {0x48, no_check},
++ {0x50, no_check},
++ {0x51, no_check},
++ {0x52, no_check},
++ {0x60, no_check},
++ {0x61, no_check},
++ {0x62, no_check},
++ {0x9b, no_check},
++ {0xaa, no_check}
++};
++/*Check for 364 fence command id*/
++static struct hz_init init_table4[] = {
++ {0xcc, no_check},
++ {0xcd, no_check},
++ {0xce, no_check},
++ {0xcf, no_check},
++ {0xdd, no_check},
++ {0xee, no_check},
++ {0x00, no_check},
++ {0x01, check_fence_cmd_addr0},
++ {0x02, check_fence_cmd_addr1},
++ {0x03, check_fence_cmd_addr2},
++ {0x10, no_check},
++ {0x11, no_check},
++ {0x12, no_check},
++ {0x13, no_check},
++ {0x14, no_check},
++ {0x18, no_check},
++ {0x19, no_check},
++ {0x1a, no_check},
++ {0x1b, no_check},
++ {0x1c, no_check},
++ {0x20, no_check},
++ {0xab, no_check},
++ {0xaa, no_check}
++};
++
++/*Check for 353 fence command id*/
++static struct hz_init init_table5[] = {
++ {0xcc, no_check},
++ {0xcd, no_check},
++ {0xce, no_check},
++ {0xcf, no_check},
++ {0xdd, no_check},
++ {0xee, no_check},
++ {0x00, no_check},
++ {0x01, no_check},
++ {0x02, no_check},
++ {0x03, no_check},
++ {0x04, check_fence_cmd_addr0},
++ {0x05, check_fence_cmd_addr1},
++ {0x06, no_check},
++ {0x07, check_fence_cmd_addr2},
++ {0x08, no_check},
++ {0x09, no_check},
++ {0x0a, no_check},
++ {0x0b, no_check},
++ {0x0c, no_check},
++ {0x0d, no_check},
++ {0x0e, no_check},
++ {0x0f, no_check},
++ {0x10, no_check},
++ {0x11, no_check},
++ {0x12, no_check},
++ {0x18, no_check},
++ {0x19, no_check},
++ {0x1a, no_check},
++ {0x30, no_check},
++ {0x31, no_check},
++ {0x32, no_check},
++ {0x68, no_check},
++ {0x69, no_check},
++ {0x6a, no_check},
++ {0x6b, no_check},
++ {0xab, no_check},
++ {0xaa, no_check}
++};
++
++static enum hazard init_table_01_00[256];
++static enum hazard init_table_02_0n[256];
++static enum hazard init_table_04_00[256];
++static enum hazard init_table_11_364[256];
++static enum hazard init_table_11_353[256];
++
++/*Require fence command id location reside in the shadow system memory */
++static inline int
++check_fence_cmd_addr_range(struct drm_via_chrome9_state *seq,
++ unsigned long fence_cmd_add, unsigned long size, struct drm_device *dev)
++{
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *)dev->dev_private;
++ if (!dev_priv->shadow_map.shadow)
++ return -1;
++ if ((fence_cmd_add < dev_priv->shadow_map.shadow->offset) ||
++ (fence_cmd_add + size >
++ dev_priv->shadow_map.shadow->offset +
++ dev_priv->shadow_map.shadow->size))
++ return -1;
++ return 0;
++}
++
++/*
++ * Currently we only catch the fence cmd's address, which will
++ * access system memory inevitably.
++ * NOTE:No care about AGP address.(we just think all AGP access are safe now).
++ */
++
++static inline int finish_current_sequence(struct drm_via_chrome9_state *cur_seq)
++{
++ switch (cur_seq->unfinished) {
++ case fence_cmd_address:
++ if (cur_seq->fence_need_check)
++ if (check_fence_cmd_addr_range(cur_seq,
++ cur_seq->fence_cmd_addr, 4, cur_seq->dev))
++ return -EINVAL;
++ break;
++ default:
++ break;
++ }
++ cur_seq->unfinished = no_sequence;
++ return 0;
++}
++/* Only catch the cmd which potentially access the system memory, and treat all
++ * the other cmds are safe.
++ */
++static inline int
++investigate_hazard(uint32_t cmd, enum hazard hz,
++ struct drm_via_chrome9_state *cur_seq)
++{
++ register uint32_t tmp;
++
++ if (cur_seq->unfinished && (cur_seq->unfinished != seqs[hz])) {
++ int ret = finish_current_sequence(cur_seq);
++ if (ret)
++ return ret;
++ }
++
++ switch (hz) {
++ case check_render_target_addr0:
++ tmp = ((cmd >> 24) - 0x50) >> 3;
++ cur_seq->unfinished = dest_address;
++ cur_seq->render_target_addr[tmp] = cmd << 8;
++ break;
++ case check_render_target_addr1:
++ cur_seq->unfinished = dest_address;
++ tmp = ((cmd >> 24) - 0x50) >> 3;
++ cur_seq->render_target_pitch[tmp] = (cmd & 0x000001FF) >> 5;
++ break;
++ case check_render_target_addr_mode:
++ cur_seq->unfinished = dest_address;
++ if (!cur_seq->agp)
++ if (((cmd & 0x00300000) >> 20) == 2) {
++ DRM_ERROR("Attempt to place \
++ render target in system memory\n");
++ return -EINVAL;
++ }
++ break;
++ case check_z_buffer_addr0:
++ cur_seq->unfinished = z_address;
++ break;
++ case check_z_buffer_addr1:
++ cur_seq->unfinished = z_address;
++ if ((cmd & 0x00000003) == 2) {
++ DRM_ERROR("Attempt to place \
++ Z buffer in system memory\n");
++ return -EINVAL;
++ }
++ break;
++ case check_z_buffer_addr_mode:
++ cur_seq->unfinished = z_address;
++ if (((cmd & 0x00000060) >> 5) == 2) {
++ DRM_ERROR("Attempt to place \
++ stencil buffer in system memory\n");
++ return -EINVAL;
++ }
++ break;
++ case check_zocclusion_addr0:
++ cur_seq->unfinished = zocclusion_address;
++ break;
++ case check_zocclusion_addr1:
++ cur_seq->unfinished = zocclusion_address;
++ if (((cmd & 0x00c00000) >> 22) == 2) {
++ DRM_ERROR("Attempt to access system memory\n");
++ return -EINVAL;
++ }
++ break;
++ case check_coarse_z_addr0:
++ cur_seq->unfinished = coarse_z_address;
++ if (((cmd & 0x00300000) >> 20) == 2)
++ return -EINVAL;
++ break;
++ case check_coarse_z_addr1:
++ cur_seq->unfinished = coarse_z_address;
++ break;
++ case check_fvf_addr_mode:
++ cur_seq->unfinished = fvf_address;
++ if (!cur_seq->agp)
++ if (((cmd & 0x0000c000) >> 14) == 2) {
++ DRM_ERROR("Attempt to place \
++ fvf buffer in system memory\n");
++ return -EINVAL;
++ }
++ break;
++ case check_t_level0_facen_addr0:
++ cur_seq->unfinished = tex_address;
++ if (!cur_seq->agp)
++ if ((cmd & 0x00000003) == 2 ||
++ ((cmd & 0x0000000c) >> 2) == 2 ||
++ ((cmd & 0x00000030) >> 4) == 2 ||
++ ((cmd & 0x000000c0) >> 6) == 2 ||
++ ((cmd & 0x0000c000) >> 14) == 2 ||
++ ((cmd & 0x00030000) >> 16) == 2) {
++ DRM_ERROR("Attempt to place \
++ texture buffer in system memory\n");
++ return -EINVAL;
++ }
++ break;
++ case check_fence_cmd_addr0:
++ cur_seq->unfinished = fence_cmd_address;
++ if (cur_seq->agp)
++ cur_seq->fence_cmd_addr =
++ (cur_seq->fence_cmd_addr & 0xFF000000) |
++ (cmd & 0x00FFFFFF);
++ else
++ cur_seq->fence_cmd_addr =
++ (cur_seq->fence_cmd_addr & 0x00FFFFFF) |
++ ((cmd & 0x000000FF) << 24);
++ break;
++ case check_fence_cmd_addr1:
++ cur_seq->unfinished = fence_cmd_address;
++ if (!cur_seq->agp)
++ cur_seq->fence_cmd_addr =
++ (cur_seq->fence_cmd_addr & 0xFF000000) |
++ (cmd & 0x00FFFFFF);
++ break;
++ case check_fence_cmd_addr2:
++ cur_seq->unfinished = fence_cmd_address;
++ if (cmd & 0x00040000)
++ cur_seq->fence_need_check = 1;
++ else
++ cur_seq->fence_need_check = 0;
++ break;
++ default:
++ /*We think all the other cmd are safe.*/
++ return 0;
++ }
++ return 0;
++}
++
++static inline int verify_mmio_address(uint32_t address)
++{
++ if ((address > 0x3FF) && (address < 0xC00)) {
++ DRM_ERROR("Invalid VIDEO DMA command. "
++ "Attempt to access 3D- or command burst area.\n");
++ return 1;
++ } else if ((address > 0xDFF) && (address < 0x1200)) {
++ DRM_ERROR("Invalid VIDEO DMA command. "
++ "Attempt to access PCI DMA area.\n");
++ return 1;
++ } else if ((address > 0x1DFF) && (address < 0x2200)) {
++ DRM_ERROR("Invalid VIDEO DMA command. "
++ "Attempt to access CBU ROTATE SPACE registers.\n");
++ return 1;
++ } else if ((address > 0x23FF) && (address < 0x3200)) {
++ DRM_ERROR("Invalid VIDEO DMA command. "
++ "Attempt to access PCI DMA2 area..\n");
++ return 1;
++ } else if (address > 0x33FF) {
++ DRM_ERROR("Invalid VIDEO DMA command. "
++ "Attempt to access VGA registers.\n");
++ return 1;
++ }
++ return 0;
++}
++
++static inline int is_dummy_cmd(uint32_t cmd)
++{
++ if ((cmd & INV_DUMMY_MASK) == 0xCC000000 ||
++ (cmd & INV_DUMMY_MASK) == 0xCD000000 ||
++ (cmd & INV_DUMMY_MASK) == 0xCE000000 ||
++ (cmd & INV_DUMMY_MASK) == 0xCF000000 ||
++ (cmd & INV_DUMMY_MASK) == 0xDD000000)
++ return 1;
++ return 0;
++}
++
++static inline int
++verify_2d_tail(uint32_t const **buffer, const uint32_t *buf_end,
++ uint32_t dwords)
++{
++ const uint32_t *buf = *buffer;
++
++ if (buf_end - buf < dwords) {
++ DRM_ERROR("Illegal termination of 2d command.\n");
++ return 1;
++ }
++
++ while (dwords--) {
++ if (!is_dummy_cmd(*buf++)) {
++ DRM_ERROR("Illegal 2d command tail.\n");
++ return 1;
++ }
++ }
++
++ *buffer = buf;
++ return 0;
++}
++
++static inline int
++verify_video_tail(uint32_t const **buffer, const uint32_t *buf_end,
++ uint32_t dwords)
++{
++ const uint32_t *buf = *buffer;
++
++ if (buf_end - buf < dwords) {
++ DRM_ERROR("Illegal termination of video command.\n");
++ return 1;
++ }
++ while (dwords--) {
++ if (*buf && !is_dummy_cmd(*buf)) {
++ DRM_ERROR("Illegal video command tail.\n");
++ return 1;
++ }
++ buf++;
++ }
++ *buffer = buf;
++ return 0;
++}
++
++static inline enum verifier_state
++via_chrome9_check_header0(uint32_t const **buffer, const uint32_t *buf_end)
++{
++ const uint32_t *buf = *buffer;
++ uint32_t cmd, qword, dword;
++
++ qword = *(buf+1);
++ buf += 4;
++ dword = qword << 1;
++
++ if (buf_end - buf < dword)
++ return state_error;
++
++ while (qword-- > 0) {
++ cmd = *buf;
++ /* Is this consition too restrict? */
++ if ((cmd & 0xFFFF) > 0x1FF) {
++ DRM_ERROR("Invalid header0 command io address 0x%x \
++ Attempt to access non-2D mmio area.\n", cmd);
++ return state_error;
++ }
++ buf += 2;
++ }
++
++ if ((dword & 3) && verify_2d_tail(&buf, buf_end, 4 - (dword & 0x3)))
++ return state_error;
++
++ *buffer = buf;
++ return state_command;
++}
++
++static inline enum verifier_state
++via_chrome9_check_header1(uint32_t const **buffer, const uint32_t *buf_end)
++{
++ uint32_t dword;
++ const uint32_t *buf = *buffer;
++
++ dword = *(buf + 1);
++ buf += 4;
++
++ if (buf + dword > buf_end)
++ return state_error;
++
++ buf += dword;
++
++ if ((dword & 0x3) && verify_2d_tail(&buf, buf_end, 4 - (dword & 0x3)))
++ return state_error;
++
++ *buffer = buf;
++ return state_command;
++}
++
++static inline enum verifier_state
++via_chrome9_check_header2(uint32_t const **buffer,
++ const uint32_t *buf_end, struct drm_via_chrome9_state *hc_state)
++{
++ uint32_t cmd1, cmd2;
++ enum hazard hz;
++ const uint32_t *buf = *buffer;
++ const enum hazard *hz_table;
++
++ if ((buf_end - buf) < 4) {
++ DRM_ERROR
++ ("Illegal termination of DMA HALCYON_HEADER2 sequence.\n");
++ return state_error;
++ }
++ cmd1 = *buf & 0x0000FFFF;
++ cmd2 = *++buf & 0x0000FFFF;
++ if (((cmd1 != INV_REG_CR_BEGIN) && (cmd1 != INV_REG_3D_BEGIN)) ||
++ ((cmd2 != INV_REG_CR_TRANS) && (cmd2 != INV_REG_3D_TRANS))) {
++ DRM_ERROR
++ ("Illegal IO address of DMA HALCYON_HEADER2 sequence.\n");
++ return state_error;
++ }
++ /* Advance to get paratype and subparatype */
++ cmd1 = *++buf & 0xFFFF0000;
++
++ switch (cmd1) {
++ case INV_ParaType_Attr:
++ buf += 2;
++ hz_table = init_table_01_00;
++ break;
++ case (INV_ParaType_Tex | (INV_SubType_Tex0 << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_Tex1 << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_Tex2 << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_Tex3 << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_Tex4 << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_Tex5 << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_Tex6 << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_Tex7 << 24)):
++ buf += 2;
++ hc_state->texture_index = (cmd1 & INV_ParaSubType_MASK) >> 24;
++ hz_table = init_table_02_0n;
++ break;
++ case INV_ParaType_FVF:
++ buf += 2;
++ hz_table = init_table_04_00;
++ break;
++ case INV_ParaType_CR:
++ buf += 2;
++ if (hc_state->agp)
++ hz_table = init_table_11_364;
++ else
++ hz_table = init_table_11_353;
++ break;
++ case INV_ParaType_Dummy:
++ buf += 2;
++ while ((buf < buf_end) && !is_agp_header(*buf))
++ if (!is_dummy_cmd(*buf))
++ return state_error;
++ else
++ buf++;
++
++ if ((buf_end > buf) && ((buf_end - buf) & 0x3))
++ return state_error;
++ return state_command;
++ /* We think cases below are all safe. So we feedback only when these
++ these cmd has another header there.
++ */
++ case INV_ParaType_Vdata:
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex0 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex1 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex2 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex3 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex4 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex5 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex6 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex |
++ ((INV_SubType_Tex7 | INV_SubType_TexSample) << 24)):
++ case (INV_ParaType_Tex | (INV_SubType_General << 24)):
++ case INV_ParaType_Pal:
++ case INV_ParaType_PreCR:
++ case INV_ParaType_Cfg:
++ default:
++ buf += 2;
++ while ((buf < buf_end) && !is_agp_header(*buf))
++ buf++;
++ *buffer = buf;
++ return state_command;
++ }
++
++ while (buf < buf_end && !is_agp_header(*buf)) {
++ cmd1 = *buf++;
++ hz = hz_table[cmd1 >> 24];
++ if (hz) {
++ if (investigate_hazard(cmd1, hz, hc_state))
++ return state_error;
++ } else if (hc_state->unfinished &&
++ finish_current_sequence(hc_state))
++ return state_error;
++
++ }
++ if (hc_state->unfinished && finish_current_sequence(hc_state))
++ return state_error;
++ *buffer = buf;
++ return state_command;
++}
++
++static inline enum verifier_state
++via_chrome9_check_header3(uint32_t const **buffer,
++ const uint32_t *buf_end)
++{
++ const uint32_t *buf = *buffer;
++
++ buf += 4;
++ while (buf < buf_end && !is_agp_header(*buf))
++ buf += 4;
++
++ *buffer = buf;
++ return state_command;
++}
++
++
++static inline enum verifier_state
++via_chrome9_check_vheader4(uint32_t const **buffer,
++ const uint32_t *buf_end)
++{
++ uint32_t data;
++ const uint32_t *buf = *buffer;
++
++ if (buf_end - buf < 4) {
++ DRM_ERROR("Illegal termination of video header4 command\n");
++ return state_error;
++ }
++
++ data = *buf++ & ~INV_AGPHeader_MASK;
++ if (verify_mmio_address(data))
++ return state_error;
++
++ data = *buf;
++ buf += 2;
++
++ if (*buf++ != 0x00000000) {
++ DRM_ERROR("Illegal header4 header data\n");
++ return state_error;
++ }
++
++ if (buf_end - buf < data)
++ return state_error;
++ buf += data;
++
++ if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3)))
++ return state_error;
++ *buffer = buf;
++ return state_command;
++
++}
++
++static inline enum verifier_state
++via_chrome9_check_vheader5(uint32_t const **buffer, const uint32_t *buf_end)
++{
++ uint32_t data;
++ const uint32_t *buf = *buffer;
++ uint32_t i;
++
++ if (buf_end - buf < 4) {
++ DRM_ERROR("Illegal termination of video header5 command\n");
++ return state_error;
++ }
++
++ data = *++buf;
++ buf += 2;
++
++ if (*buf++ != 0x00000000) {
++ DRM_ERROR("Illegal header5 header data\n");
++ return state_error;
++ }
++ if ((buf_end - buf) < (data << 1)) {
++ DRM_ERROR("Illegal termination of video header5 command\n");
++ return state_error;
++ }
++ for (i = 0; i < data; ++i) {
++ if (verify_mmio_address(*buf++))
++ return state_error;
++ buf++;
++ }
++ data <<= 1;
++ if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3)))
++ return state_error;
++ *buffer = buf;
++ return state_command;
++}
++
++int
++via_chrome9_verify_command_stream(const uint32_t *buf,
++ unsigned int size, struct drm_device *dev, int agp)
++{
++
++ struct drm_via_chrome9_private *dev_priv =
++ (struct drm_via_chrome9_private *) dev->dev_private;
++ struct drm_via_chrome9_state *hc_state = &dev_priv->hc_state;
++ struct drm_via_chrome9_state saved_state = *hc_state;
++ uint32_t cmd;
++ const uint32_t *buf_end = buf + (size >> 2);
++ enum verifier_state state = state_command;
++
++ hc_state->dev = dev;
++ hc_state->unfinished = no_sequence;
++ hc_state->agp = agp;
++
++ while (buf < buf_end) {
++
++ switch (state) {
++ case state_header0:
++ state = via_chrome9_check_header0(&buf, buf_end);
++ break;
++ case state_header1:
++ state = via_chrome9_check_header1(&buf, buf_end);
++ break;
++ case state_header2:
++ state = via_chrome9_check_header2(&buf,
++ buf_end, hc_state);
++ break;
++ case state_header3:
++ state = via_chrome9_check_header3(&buf, buf_end);
++ break;
++ case state_header4:
++ state = via_chrome9_check_vheader4(&buf, buf_end);
++ break;
++ case state_header5:
++ state = via_chrome9_check_vheader5(&buf, buf_end);
++ break;
++ case state_header6:
++ case state_header7:
++ DRM_ERROR("Unimplemented Header 6/7 command.\n");
++ state = state_error;
++ break;
++ case state_command:
++ cmd = *buf;
++ if (INV_AGPHeader2 == (cmd & INV_AGPHeader_MASK))
++ state = state_header2;
++ else if (INV_AGPHeader1 == (cmd & INV_AGPHeader_MASK))
++ state = state_header1;
++ else if (INV_AGPHeader5 == (cmd & INV_AGPHeader_MASK))
++ state = state_header5;
++ else if (INV_AGPHeader6 == (cmd & INV_AGPHeader_MASK))
++ state = state_header6;
++ else if (INV_AGPHeader3 == (cmd & INV_AGPHeader_MASK))
++ state = state_header3;
++ else if (INV_AGPHeader4 == (cmd & INV_AGPHeader_MASK))
++ state = state_header4;
++ else if (INV_AGPHeader7 == (cmd & INV_AGPHeader_MASK))
++ state = state_header7;
++ else if (INV_AGPHeader0 == (cmd & INV_AGPHeader_MASK))
++ state = state_header0;
++ else {
++ DRM_ERROR("Invalid command sequence\n");
++ state = state_error;
++ }
++ break;
++ case state_error:
++ default:
++ *hc_state = saved_state;
++ return -EINVAL;
++ }
++ }
++ if (state == state_error) {
++ *hc_state = saved_state;
++ return -EINVAL;
++ }
++ return 0;
++}
++
++
++static void
++setup_hazard_table(struct hz_init init_table[],
++enum hazard table[], int size)
++{
++ int i;
++
++ for (i = 0; i < 256; ++i)
++ table[i] = forbidden_command;
++
++ for (i = 0; i < size; ++i)
++ table[init_table[i].code] = init_table[i].hz;
++}
++
++void via_chrome9_init_command_verifier(void)
++{
++ setup_hazard_table(init_table1, init_table_01_00,
++ sizeof(init_table1) / sizeof(struct hz_init));
++ setup_hazard_table(init_table2, init_table_02_0n,
++ sizeof(init_table2) / sizeof(struct hz_init));
++ setup_hazard_table(init_table3, init_table_04_00,
++ sizeof(init_table3) / sizeof(struct hz_init));
++ setup_hazard_table(init_table4, init_table_11_364,
++ sizeof(init_table4) / sizeof(struct hz_init));
++ setup_hazard_table(init_table5, init_table_11_353,
++ sizeof(init_table5) / sizeof(struct hz_init));
++}
++
++#endif
+--- /dev/null
++++ b/drivers/gpu/drm/via_chrome9/via_chrome9_verifier.h
+@@ -0,0 +1,61 @@
++/*
++* Copyright 2004 The Unichrome Project. All Rights Reserved.
++*
++* Permission is hereby granted, free of charge, to any person obtaining a
++* copy of this software and associated documentation files (the "Software"),
++* to deal in the Software without restriction, including without limitation
++* the rights to use, copy, modify, merge, publish, distribute, sub license,
++* and/or sell copies of the Software, and to permit persons to whom the
++* Software is furnished to do so, subject to the following conditions:
++*
++* The above copyright notice and this permission notice (including the
++* next paragraph) shall be included in all copies or substantial portions
++* of the Software.
++*
++* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
++* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
++* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
++* THE UNICHROME PROJECT, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
++* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
++* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
++* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
++*
++* Author: Scott Fang 2008.
++*/
++
++#ifndef _via_chrome9_VERIFIER_H_
++#define _via_chrome9_VERIFIER_H_
++
++#define VIA_CHROME9_VERIFY_ENABLE 1
++
++enum drm_via_chrome9_sequence {
++ no_sequence = 0,
++ z_address,
++ dest_address,
++ tex_address,
++ zocclusion_address,
++ coarse_z_address,
++ fvf_address,
++ fence_cmd_address
++};
++
++struct drm_via_chrome9_state {
++ uint32_t texture_index;
++ uint32_t render_target_addr[4];
++ uint32_t render_target_pitch[4];
++ uint32_t vb_addr;
++ uint32_t fence_cmd_addr;
++ uint32_t fence_need_check;
++ enum drm_via_chrome9_sequence unfinished;
++ int agp_texture;
++ int multitex;
++ struct drm_device *dev;
++ int agp;
++ const uint32_t *buf_start;
++};
++
++extern int via_chrome9_verify_command_stream(const uint32_t *buf,
++ unsigned int size, struct drm_device *dev, int agp);
++void via_chrome9_init_command_verifier(void);
++
++#endif