]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/usb/misc/sisusbvga/sisusb_init.c
Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block
[linux-2.6-omap-h63xx.git] / drivers / usb / misc / sisusbvga / sisusb_init.c
index 044fa4482f9f471764d99feaa43f9e8af01dfcda..273de5d0934e6d969a56eeb4d9761e6b443a5dfc 100644 (file)
  * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * Author:     Thomas Winischhofer <thomas@winischhofer.net>
+ * Author:     Thomas Winischhofer <thomas@winischhofer.net>
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 /*         POINTER INITIALIZATION            */
 /*********************************************/
 
-static void
-SiSUSB_InitPtr(struct SiS_Private *SiS_Pr)
+static void SiSUSB_InitPtr(struct SiS_Private *SiS_Pr)
 {
-       SiS_Pr->SiS_ModeResInfo   = SiSUSB_ModeResInfo;
-       SiS_Pr->SiS_StandTable    = SiSUSB_StandTable;
+       SiS_Pr->SiS_ModeResInfo = SiSUSB_ModeResInfo;
+       SiS_Pr->SiS_StandTable = SiSUSB_StandTable;
 
-       SiS_Pr->SiS_SModeIDTable  = SiSUSB_SModeIDTable;
-       SiS_Pr->SiS_EModeIDTable  = SiSUSB_EModeIDTable;
-       SiS_Pr->SiS_RefIndex      = SiSUSB_RefIndex;
-       SiS_Pr->SiS_CRT1Table     = SiSUSB_CRT1Table;
+       SiS_Pr->SiS_SModeIDTable = SiSUSB_SModeIDTable;
+       SiS_Pr->SiS_EModeIDTable = SiSUSB_EModeIDTable;
+       SiS_Pr->SiS_RefIndex = SiSUSB_RefIndex;
+       SiS_Pr->SiS_CRT1Table = SiSUSB_CRT1Table;
 
-       SiS_Pr->SiS_VCLKData      = SiSUSB_VCLKData;
-}
-
-/*********************************************/
-/*            HELPER: Get ModeID             */
-/*********************************************/
-
-unsigned short
-SiSUSB_GetModeID(int HDisplay, int VDisplay, int Depth)
-{
-       unsigned short ModeIndex = 0;
-
-       switch (HDisplay)
-       {
-               case 320:
-                       if (VDisplay == 200)
-                               ModeIndex = ModeIndex_320x200[Depth];
-                       else if (VDisplay == 240)
-                               ModeIndex = ModeIndex_320x240[Depth];
-                       break;
-               case 400:
-                       if (VDisplay == 300)
-                               ModeIndex = ModeIndex_400x300[Depth];
-                       break;
-               case 512:
-                       if (VDisplay == 384)
-                               ModeIndex = ModeIndex_512x384[Depth];
-                       break;
-               case 640:
-                       if (VDisplay == 480)
-                               ModeIndex = ModeIndex_640x480[Depth];
-                       else if (VDisplay == 400)
-                               ModeIndex = ModeIndex_640x400[Depth];
-                       break;
-               case 720:
-                       if (VDisplay == 480)
-                               ModeIndex = ModeIndex_720x480[Depth];
-                       else if (VDisplay == 576)
-                               ModeIndex = ModeIndex_720x576[Depth];
-                       break;
-               case 768:
-                       if (VDisplay == 576)
-                               ModeIndex = ModeIndex_768x576[Depth];
-                       break;
-               case 800:
-                       if (VDisplay == 600)
-                               ModeIndex = ModeIndex_800x600[Depth];
-                       else if (VDisplay == 480)
-                               ModeIndex = ModeIndex_800x480[Depth];
-                       break;
-               case 848:
-                       if (VDisplay == 480)
-                               ModeIndex = ModeIndex_848x480[Depth];
-                       break;
-               case 856:
-                       if (VDisplay == 480)
-                               ModeIndex = ModeIndex_856x480[Depth];
-                       break;
-               case 960:
-                       if (VDisplay == 540)
-                               ModeIndex = ModeIndex_960x540[Depth];
-                       else if (VDisplay == 600)
-                               ModeIndex = ModeIndex_960x600[Depth];
-                       break;
-               case 1024:
-                       if (VDisplay == 576)
-                               ModeIndex = ModeIndex_1024x576[Depth];
-                       else if (VDisplay == 768)
-                               ModeIndex = ModeIndex_1024x768[Depth];
-                       break;
-               case 1152:
-                       if (VDisplay == 864)
-                               ModeIndex = ModeIndex_1152x864[Depth];
-                       break;
-               case 1280:
-                       switch (VDisplay) {
-                               case 720:
-                                       ModeIndex = ModeIndex_1280x720[Depth];
-                                       break;
-                               case 768:
-                                       ModeIndex = ModeIndex_1280x768[Depth];
-                                       break;
-                               case 1024:
-                                       ModeIndex = ModeIndex_1280x1024[Depth];
-                                       break;
-                       }
-       }
-
-       return ModeIndex;
+       SiS_Pr->SiS_VCLKData = SiSUSB_VCLKData;
 }
 
 /*********************************************/
@@ -164,21 +74,20 @@ SiSUSB_GetModeID(int HDisplay, int VDisplay, int Depth)
 
 static void
 SiS_SetReg(struct SiS_Private *SiS_Pr, unsigned long port,
-                       unsigned short index, unsigned short data)
+          unsigned short index, unsigned short data)
 {
        sisusb_setidxreg(SiS_Pr->sisusb, port, index, data);
 }
 
 static void
 SiS_SetRegByte(struct SiS_Private *SiS_Pr, unsigned long port,
-                                               unsigned short data)
+              unsigned short data)
 {
        sisusb_setreg(SiS_Pr->sisusb, port, data);
 }
 
 static unsigned char
-SiS_GetReg(struct SiS_Private *SiS_Pr, unsigned long port,
-                                               unsigned short index)
+SiS_GetReg(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index)
 {
        u8 data;
 
@@ -199,22 +108,22 @@ SiS_GetRegByte(struct SiS_Private *SiS_Pr, unsigned long port)
 
 static void
 SiS_SetRegANDOR(struct SiS_Private *SiS_Pr, unsigned long port,
-                       unsigned short index, unsigned short DataAND,
-                                               unsigned short DataOR)
+               unsigned short index, unsigned short DataAND,
+               unsigned short DataOR)
 {
        sisusb_setidxregandor(SiS_Pr->sisusb, port, index, DataAND, DataOR);
 }
 
 static void
 SiS_SetRegAND(struct SiS_Private *SiS_Pr, unsigned long port,
-                       unsigned short index, unsigned short DataAND)
+             unsigned short index, unsigned short DataAND)
 {
        sisusb_setidxregand(SiS_Pr->sisusb, port, index, DataAND);
 }
 
 static void
-SiS_SetRegOR(struct SiS_Private *SiS_Pr,unsigned long port,
-                       unsigned short index, unsigned short DataOR)
+SiS_SetRegOR(struct SiS_Private *SiS_Pr, unsigned long port,
+            unsigned short index, unsigned short DataOR)
 {
        sisusb_setidxregor(SiS_Pr->sisusb, port, index, DataOR);
 }
@@ -223,8 +132,7 @@ SiS_SetRegOR(struct SiS_Private *SiS_Pr,unsigned long port,
 /*      HELPER: DisplayOn, DisplayOff        */
 /*********************************************/
 
-static void
-SiS_DisplayOn(struct SiS_Private *SiS_Pr)
+static void SiS_DisplayOn(struct SiS_Private *SiS_Pr)
 {
        SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0xDF);
 }
@@ -233,8 +141,7 @@ SiS_DisplayOn(struct SiS_Private *SiS_Pr)
 /*        HELPER: Init Port Addresses        */
 /*********************************************/
 
-void
-SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr)
+static void SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr)
 {
        SiS_Pr->SiS_P3c4 = BaseAddr + 0x14;
        SiS_Pr->SiS_P3d4 = BaseAddr + 0x24;
@@ -257,8 +164,7 @@ SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr)
 /*             HELPER: GetSysFlags           */
 /*********************************************/
 
-static void
-SiS_GetSysFlags(struct SiS_Private *SiS_Pr)
+static void SiS_GetSysFlags(struct SiS_Private *SiS_Pr)
 {
        SiS_Pr->SiS_MyCR63 = 0x63;
 }
@@ -267,8 +173,7 @@ SiS_GetSysFlags(struct SiS_Private *SiS_Pr)
 /*         HELPER: Init PCI & Engines        */
 /*********************************************/
 
-static void
-SiSInitPCIetc(struct SiS_Private *SiS_Pr)
+static void SiSInitPCIetc(struct SiS_Private *SiS_Pr)
 {
        SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x20, 0xa1);
        /*  - Enable 2D (0x40)
@@ -284,8 +189,7 @@ SiSInitPCIetc(struct SiS_Private *SiS_Pr)
 /*        HELPER: SET SEGMENT REGISTERS      */
 /*********************************************/
 
-static void
-SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value)
+static void SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value)
 {
        unsigned short temp;
 
@@ -298,8 +202,7 @@ SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value)
        SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp);
 }
 
-static void
-SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value)
+static void SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value)
 {
        unsigned short temp;
 
@@ -312,15 +215,13 @@ SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value)
        SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp);
 }
 
-static void
-SiS_SetSegmentReg(struct SiS_Private *SiS_Pr, unsigned short value)
+static void SiS_SetSegmentReg(struct SiS_Private *SiS_Pr, unsigned short value)
 {
        SiS_SetSegRegLower(SiS_Pr, value);
        SiS_SetSegRegUpper(SiS_Pr, value);
 }
 
-static void
-SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr)
+static void SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr)
 {
        SiS_SetSegmentReg(SiS_Pr, 0);
 }
@@ -336,14 +237,12 @@ SiS_SetSegmentRegOver(struct SiS_Private *SiS_Pr, unsigned short value)
        SiS_SetSegmentReg(SiS_Pr, value);
 }
 
-static void
-SiS_ResetSegmentRegOver(struct SiS_Private *SiS_Pr)
+static void SiS_ResetSegmentRegOver(struct SiS_Private *SiS_Pr)
 {
        SiS_SetSegmentRegOver(SiS_Pr, 0);
 }
 
-static void
-SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr)
+static void SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr)
 {
        SiS_ResetSegmentReg(SiS_Pr);
        SiS_ResetSegmentRegOver(SiS_Pr);
@@ -355,7 +254,7 @@ SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr)
 
 static int
 SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo,
-                                               unsigned short *ModeIdIndex)
+                unsigned short *ModeIdIndex)
 {
        if ((*ModeNo) <= 0x13) {
 
@@ -366,12 +265,14 @@ SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo,
 
        } else {
 
-               for(*ModeIdIndex = 0; ;(*ModeIdIndex)++) {
+               for (*ModeIdIndex = 0;; (*ModeIdIndex)++) {
 
-                       if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == (*ModeNo))
+                       if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID ==
+                           (*ModeNo))
                                break;
 
-                       if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == 0xFF)
+                       if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID ==
+                           0xFF)
                                return 0;
                }
 
@@ -384,8 +285,7 @@ SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo,
 /*            HELPER: ENABLE CRT1            */
 /*********************************************/
 
-static void
-SiS_HandleCRT1(struct SiS_Private *SiS_Pr)
+static void SiS_HandleCRT1(struct SiS_Private *SiS_Pr)
 {
        /* Enable CRT1 gating */
        SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, SiS_Pr->SiS_MyCR63, 0xbf);
@@ -397,9 +297,9 @@ SiS_HandleCRT1(struct SiS_Private *SiS_Pr)
 
 static unsigned short
 SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-               unsigned short ModeIdIndex)
+                 unsigned short ModeIdIndex)
 {
-       static const unsigned short ColorDepth[6] = { 1, 2, 4, 4, 6, 8};
+       static const unsigned short ColorDepth[6] = { 1, 2, 4, 4, 6, 8 };
        unsigned short modeflag;
        short index;
 
@@ -410,7 +310,8 @@ SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
        }
 
        index = (modeflag & ModeTypeMask) - ModeEGA;
-       if (index < 0) index = 0;
+       if (index < 0)
+               index = 0;
        return ColorDepth[index];
 }
 
@@ -420,7 +321,7 @@ SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
 static unsigned short
 SiS_GetOffset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-               unsigned short ModeIdIndex, unsigned short rrti)
+             unsigned short ModeIdIndex, unsigned short rrti)
 {
        unsigned short xres, temp, colordepth, infoflag;
 
@@ -457,8 +358,8 @@ SiS_SetSeqRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
        SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0] | 0x20;
        SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, SRdata);
 
-       for(i = 2; i <= 4; i++) {
-               SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i-1];
+       for (i = 2; i <= 4; i++) {
+               SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i - 1];
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, SRdata);
        }
 }
@@ -487,7 +388,7 @@ SiS_SetCRTCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
 
        SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f);
 
-       for(i = 0; i <= 0x18; i++) {
+       for (i = 0; i <= 0x18; i++) {
                CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i];
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, i, CRTCdata);
        }
@@ -503,7 +404,7 @@ SiS_SetATTRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
        unsigned char ARdata;
        unsigned short i;
 
-       for(i = 0; i <= 0x13; i++) {
+       for (i = 0; i <= 0x13; i++) {
                ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i];
                SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
                SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, i);
@@ -528,7 +429,7 @@ SiS_SetGRCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
        unsigned char GRdata;
        unsigned short i;
 
-       for(i = 0; i <= 0x08; i++) {
+       for (i = 0; i <= 0x08; i++) {
                GRdata = SiS_Pr->SiS_StandTable[StandTableIndex].GRC[i];
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3ce, i, GRdata);
        }
@@ -543,12 +444,11 @@ SiS_SetGRCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
 /*          CLEAR EXTENDED REGISTERS         */
 /*********************************************/
 
-static void
-SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
+static void SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
        int i;
 
-       for(i = 0x0A; i <= 0x0E; i++) {
+       for (i = 0x0A; i <= 0x0E; i++) {
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, 0x00);
        }
 
@@ -561,15 +461,16 @@ SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 
 static unsigned short
 SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                                       unsigned short ModeIdIndex)
+              unsigned short ModeIdIndex)
 {
        unsigned short rrti, i, index, temp;
 
        if (ModeNo <= 0x13)
                return 0xFFFF;
 
-       index = SiS_GetReg(SiS_Pr,SiS_Pr->SiS_P3d4, 0x33) & 0x0F;
-       if (index > 0) index--;
+       index = SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x33) & 0x0F;
+       if (index > 0)
+               index--;
 
        rrti = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
        ModeNo = SiS_Pr->SiS_RefIndex[rrti].ModeID;
@@ -579,13 +480,14 @@ SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
                if (SiS_Pr->SiS_RefIndex[rrti + i].ModeID != ModeNo)
                        break;
 
-               temp = SiS_Pr->SiS_RefIndex[rrti + i].Ext_InfoFlag & ModeTypeMask;
+               temp =
+                   SiS_Pr->SiS_RefIndex[rrti + i].Ext_InfoFlag & ModeTypeMask;
                if (temp < SiS_Pr->SiS_ModeType)
                        break;
 
                i++;
                index--;
-       } while(index != 0xFFFF);
+       } while (index != 0xFFFF);
 
        i--;
 
@@ -596,8 +498,7 @@ SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 /*                  SYNC                     */
 /*********************************************/
 
-static void
-SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti)
+static void SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti)
 {
        unsigned short sync = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag >> 8;
        sync &= 0xC0;
@@ -611,39 +512,40 @@ SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti)
 
 static void
 SiS_SetCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                       unsigned short ModeIdIndex, unsigned short rrti)
+               unsigned short ModeIdIndex, unsigned short rrti)
 {
-       unsigned char  index;
+       unsigned char index;
        unsigned short temp, i, j, modeflag;
 
-       SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4,0x11,0x7f);
+       SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f);
 
        modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
 
        index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRT1CRTC;
 
-       for(i = 0,j = 0; i <= 7; i++, j++) {
+       for (i = 0, j = 0; i <= 7; i++, j++) {
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
-                               SiS_Pr->SiS_CRT1Table[index].CR[i]);
+                          SiS_Pr->SiS_CRT1Table[index].CR[i]);
        }
-       for(j = 0x10; i <= 10; i++, j++) {
+       for (j = 0x10; i <= 10; i++, j++) {
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
-                               SiS_Pr->SiS_CRT1Table[index].CR[i]);
+                          SiS_Pr->SiS_CRT1Table[index].CR[i]);
        }
-       for(j = 0x15; i <= 12; i++, j++) {
+       for (j = 0x15; i <= 12; i++, j++) {
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
-                               SiS_Pr->SiS_CRT1Table[index].CR[i]);
+                          SiS_Pr->SiS_CRT1Table[index].CR[i]);
        }
-       for(j = 0x0A; i <= 15; i++, j++) {
+       for (j = 0x0A; i <= 15; i++, j++) {
                SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, j,
-                               SiS_Pr->SiS_CRT1Table[index].CR[i]);
+                          SiS_Pr->SiS_CRT1Table[index].CR[i]);
        }
 
        temp = SiS_Pr->SiS_CRT1Table[index].CR[16] & 0xE0;
-       SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4, 0x0E, temp);
+       SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, temp);
 
        temp = ((SiS_Pr->SiS_CRT1Table[index].CR[16]) & 0x01) << 5;
-       if (modeflag & DoubleScanMode)  temp |= 0x80;
+       if (modeflag & DoubleScanMode)
+               temp |= 0x80;
        SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x09, 0x5F, temp);
 
        if (SiS_Pr->SiS_ModeType > ModeVGA)
@@ -658,10 +560,10 @@ SiS_SetCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
 static void
 SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                       unsigned short ModeIdIndex, unsigned short rrti)
+                 unsigned short ModeIdIndex, unsigned short rrti)
 {
        unsigned short du = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, rrti);
-       unsigned short infoflag =  SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
+       unsigned short infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
        unsigned short temp;
 
        temp = (du >> 8) & 0x0f;
@@ -669,11 +571,13 @@ SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
        SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x13, (du & 0xFF));
 
-       if (infoflag & InterlaceMode) du >>= 1;
+       if (infoflag & InterlaceMode)
+               du >>= 1;
 
        du <<= 5;
        temp = (du >> 8) & 0xff;
-       if (du & 0xff) temp++;
+       if (du & 0xff)
+               temp++;
        temp++;
        SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x10, temp);
 }
@@ -684,17 +588,17 @@ SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
 static void
 SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                                               unsigned short rrti)
+               unsigned short rrti)
 {
        unsigned short index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK;
        unsigned short clka = SiS_Pr->SiS_VCLKData[index].SR2B;
        unsigned short clkb = SiS_Pr->SiS_VCLKData[index].SR2C;
 
-       SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4,0x31,0xCF);
+       SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xCF);
 
-       SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2B,clka);
-       SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2C,clkb);
-       SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2D,0x01);
+       SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2B, clka);
+       SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2C, clkb);
+       SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2D, 0x01);
 }
 
 /*********************************************/
@@ -703,7 +607,7 @@ SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
 static void
 SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                                                       unsigned short mi)
+                   unsigned short mi)
 {
        unsigned short modeflag = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag;
 
@@ -728,7 +632,7 @@ SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
 static void
 SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                                                       unsigned short rrti)
+                unsigned short rrti)
 {
        unsigned short data = 0, VCLK = 0, index = 0;
 
@@ -737,7 +641,8 @@ SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
                VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
        }
 
-       if (VCLK >= 166) data |= 0x0c;
+       if (VCLK >= 166)
+               data |= 0x0c;
        SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x32, 0xf3, data);
 
        if (VCLK >= 166)
@@ -757,7 +662,7 @@ SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
 static void
 SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                       unsigned short ModeIdIndex, unsigned short rrti)
+                   unsigned short ModeIdIndex, unsigned short rrti)
 {
        unsigned short data, infoflag = 0, modeflag;
 
@@ -777,17 +682,22 @@ SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
                        data |= 0x02;
                        data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2);
                }
-               if (infoflag & InterlaceMode) data |= 0x20;
+               if (infoflag & InterlaceMode)
+                       data |= 0x20;
        }
        SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x06, 0xC0, data);
 
        data = 0;
        if (infoflag & InterlaceMode) {
                /* data = (Hsync / 8) - ((Htotal / 8) / 2) + 3 */
-               unsigned short hrs = (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x04) |
-                       ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0xc0) << 2)) - 3;
-               unsigned short hto = (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x00) |
-                       ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0x03) << 8)) + 5;
+               unsigned short hrs =
+                   (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x04) |
+                    ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0xc0) << 2))
+                   - 3;
+               unsigned short hto =
+                   (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x00) |
+                    ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0x03) << 8))
+                   + 5;
                data = hrs - (hto >> 1) + 3;
        }
        SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x19, (data & 0xFF));
@@ -828,20 +738,26 @@ SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 
 static void
 SiS_WriteDAC(struct SiS_Private *SiS_Pr, unsigned long DACData,
-               unsigned short shiftflag, unsigned short dl, unsigned short ah,
-               unsigned short al, unsigned short dh)
+            unsigned short shiftflag, unsigned short dl, unsigned short ah,
+            unsigned short al, unsigned short dh)
 {
        unsigned short d1, d2, d3;
 
        switch (dl) {
-               case  0:
-                       d1 = dh; d2 = ah; d3 = al;
-                       break;
-               case  1:
-                       d1 = ah; d2 = al; d3 = dh;
-                       break;
-               default:
-                       d1 = al; d2 = dh; d3 = ah;
+       case 0:
+               d1 = dh;
+               d2 = ah;
+               d3 = al;
+               break;
+       case 1:
+               d1 = ah;
+               d2 = al;
+               d3 = dh;
+               break;
+       default:
+               d1 = al;
+               d2 = dh;
+               d3 = ah;
        }
        SiS_SetRegByte(SiS_Pr, DACData, (d1 << shiftflag));
        SiS_SetRegByte(SiS_Pr, DACData, (d2 << shiftflag));
@@ -849,7 +765,8 @@ SiS_WriteDAC(struct SiS_Private *SiS_Pr, unsigned long DACData,
 }
 
 static void
-SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short mi)
+SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
+           unsigned short mi)
 {
        unsigned short data, data2, time, i, j, k, m, n, o;
        unsigned short si, di, bx, sf;
@@ -883,41 +800,45 @@ SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short mi
 
        SiS_SetRegByte(SiS_Pr, DACAddr, 0x00);
 
-       for(i = 0; i < j; i++) {
+       for (i = 0; i < j; i++) {
                data = table[i];
-               for(k = 0; k < 3; k++) {
+               for (k = 0; k < 3; k++) {
                        data2 = 0;
-                       if (data & 0x01) data2 += 0x2A;
-                       if (data & 0x02) data2 += 0x15;
+                       if (data & 0x01)
+                               data2 += 0x2A;
+                       if (data & 0x02)
+                               data2 += 0x15;
                        SiS_SetRegByte(SiS_Pr, DACData, (data2 << sf));
                        data >>= 2;
                }
        }
 
        if (time == 256) {
-               for(i = 16; i < 32; i++) {
+               for (i = 16; i < 32; i++) {
                        data = table[i] << sf;
-                       for(k = 0; k < 3; k++)
+                       for (k = 0; k < 3; k++)
                                SiS_SetRegByte(SiS_Pr, DACData, data);
                }
                si = 32;
-               for(m = 0; m < 9; m++) {
+               for (m = 0; m < 9; m++) {
                        di = si;
                        bx = si + 4;
-                       for(n = 0; n < 3; n++) {
-                               for(o = 0; o < 5; o++) {
+                       for (n = 0; n < 3; n++) {
+                               for (o = 0; o < 5; o++) {
                                        SiS_WriteDAC(SiS_Pr, DACData, sf, n,
-                                               table[di], table[bx], table[si]);
+                                                    table[di], table[bx],
+                                                    table[si]);
                                        si++;
                                }
                                si -= 2;
-                               for(o = 0; o < 3; o++) {
+                               for (o = 0; o < 3; o++) {
                                        SiS_WriteDAC(SiS_Pr, DACData, sf, n,
-                                               table[di], table[si], table[bx]);
+                                                    table[di], table[si],
+                                                    table[bx]);
                                        si--;
                                }
                        }
-               si += 5;
+                       si += 5;
                }
        }
 }
@@ -928,7 +849,7 @@ SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short mi
 
 static void
 SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
-                                       unsigned short ModeIdIndex)
+                unsigned short ModeIdIndex)
 {
        unsigned short StandTableIndex, rrti;
 
@@ -969,11 +890,10 @@ SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
 /*                 SiSSetMode()              */
 /*********************************************/
 
-int
-SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
+int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
        unsigned short ModeIdIndex;
-       unsigned long  BaseAddr = SiS_Pr->IOAddress;
+       unsigned long BaseAddr = SiS_Pr->IOAddress;
 
        SiSUSB_InitPtr(SiS_Pr);
        SiSUSBRegInit(SiS_Pr, BaseAddr);
@@ -989,7 +909,7 @@ SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
        ModeNo &= 0x7f;
 
        SiS_Pr->SiS_ModeType =
-               SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag & ModeTypeMask;
+           SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag & ModeTypeMask;
 
        SiS_Pr->SiS_SetFlag = LowModeTests;
 
@@ -1007,8 +927,7 @@ SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
        return 1;
 }
 
-int
-SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo)
+int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo)
 {
        unsigned short ModeNo = 0;
        int i;
@@ -1040,7 +959,3 @@ SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo)
 }
 
 #endif /* INCL_SISUSB_CON */
-
-
-
-