tridentfb: coding style improvement
authorKrzysztof Helt <krzysztof.h1@wp.pl>
Tue, 16 Oct 2007 08:28:42 +0000 (01:28 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 16 Oct 2007 16:43:15 +0000 (09:43 -0700)
This patch contains coding style improvements to the tridentfb driver (white
spaces, indentations, long lines).

It also moves fb_ops structure after fb api functions are defined.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/video/tridentfb.c

index c699864b6f4af1707efd1a3a2976b39f9b4a0a92..70fb4ee2b4215d978208f5edf7693991e4ebdd5c 100644 (file)
@@ -1,18 +1,19 @@
 /*
  * Frame buffer driver for Trident Blade and Image series
  *
- * Copyright 2001,2002 - Jani Monoses   <jani@iv.ro>
+ * Copyright 2001, 2002 - Jani Monoses   <jani@iv.ro>
  *
  *
  * CREDITS:(in order of appearance)
- *     skeletonfb.c by Geert Uytterhoeven and other fb code in drivers/video
- *     Special thanks ;) to Mattia Crivellini <tia@mclink.it>
- *     much inspired by the XFree86 4.x Trident driver sources by Alan Hourihane
- *     the FreeVGA project
- *     Francesco Salvestrini <salvestrini@users.sf.net> XP support,code,suggestions
+ *     skeletonfb.c by Geert Uytterhoeven and other fb code in drivers/video
+ *     Special thanks ;) to Mattia Crivellini <tia@mclink.it>
+ *     much inspired by the XFree86 4.x Trident driver sources
+ *     by Alan Hourihane the FreeVGA project
+ *     Francesco Salvestrini <salvestrini@users.sf.net> XP support,
+ *     code, suggestions
  * TODO:
- *     timing value tweaking so it looks good on every monitor in every mode
- *     TGUI acceleration       
+ *     timing value tweaking so it looks good on every monitor in every mode
+ *     TGUI acceleration
  */
 
 #include <linux/module.h>
 #define VERSION                "0.7.8-NEWAPI"
 
 struct tridentfb_par {
-       int vclk;               //in MHz
-       void __iomem * io_virt; //iospace virtual memory address
+       int vclk;               /* in MHz */
+       void __iomem *io_virt;  /* iospace virtual memory address */
 };
 
-static unsigned char eng_oper;         //engine operation...
+static unsigned char eng_oper; /* engine operation... */
 static struct fb_ops tridentfb_ops;
 
 static struct tridentfb_par default_par;
@@ -39,11 +40,10 @@ static struct tridentfb_par default_par;
 static struct fb_info fb_info;
 static u32 pseudo_pal[16];
 
-
 static struct fb_var_screeninfo default_var;
 
 static struct fb_fix_screeninfo tridentfb_fix = {
-       .id = "Trident",        
+       .id = "Trident",
        .type = FB_TYPE_PACKED_PIXELS,
        .ypanstep = 1,
        .visual = FB_VISUAL_PSEUDOCOLOR,
@@ -55,11 +55,10 @@ static int chip_id;
 static int defaultaccel;
 static int displaytype;
 
-
 /* defaults which are normally overriden by user values */
 
 /* video mode */
-static char * mode = "640x480";
+static char *mode = "640x480";
 static int bpp = 8;
 
 static int noaccel;
@@ -74,7 +73,6 @@ static int memsize;
 static int memdiff;
 static int nativex;
 
-
 module_param(mode, charp, 0);
 module_param(bpp, int, 0);
 module_param(center, int, 0);
@@ -86,88 +84,85 @@ module_param(nativex, int, 0);
 module_param(fp, int, 0);
 module_param(crt, int, 0);
 
-
 static int chip3D;
 static int chipcyber;
 
 static int is3Dchip(int id)
 {
-       return  ((id == BLADE3D) || (id == CYBERBLADEE4) ||
-                (id == CYBERBLADEi7) || (id == CYBERBLADEi7D) ||
-                (id == CYBER9397) || (id == CYBER9397DVD) ||
-                (id == CYBER9520) || (id == CYBER9525DVD) ||
-                (id == IMAGE975) || (id == IMAGE985) ||
-                (id == CYBERBLADEi1) || (id == CYBERBLADEi1D) ||
-                (id == CYBERBLADEAi1) || (id == CYBERBLADEAi1D) ||
-                (id == CYBERBLADEXPm8) || (id == CYBERBLADEXPm16) ||
-                (id == CYBERBLADEXPAi1));
+       return ((id == BLADE3D) || (id == CYBERBLADEE4) ||
+               (id == CYBERBLADEi7) || (id == CYBERBLADEi7D) ||
+               (id == CYBER9397) || (id == CYBER9397DVD) ||
+               (id == CYBER9520) || (id == CYBER9525DVD) ||
+               (id == IMAGE975) || (id == IMAGE985) ||
+               (id == CYBERBLADEi1) || (id == CYBERBLADEi1D) ||
+               (id == CYBERBLADEAi1) || (id == CYBERBLADEAi1D) ||
+               (id == CYBERBLADEXPm8) || (id == CYBERBLADEXPm16) ||
+               (id == CYBERBLADEXPAi1));
 }
 
 static int iscyber(int id)
 {
        switch (id) {
-               case CYBER9388:         
-               case CYBER9382:
-               case CYBER9385:
-               case CYBER9397:
-               case CYBER9397DVD:
-               case CYBER9520:
-               case CYBER9525DVD:
-               case CYBERBLADEE4:
-               case CYBERBLADEi7D:
-               case CYBERBLADEi1:
-               case CYBERBLADEi1D: 
-               case CYBERBLADEAi1: 
-               case CYBERBLADEAi1D:
-               case CYBERBLADEXPAi1:
-                       return 1;
-               
-               case CYBER9320:
-               case TGUI9660:     
-               case IMAGE975:
-               case IMAGE985:
-               case BLADE3D:
-               case CYBERBLADEi7: /* VIA MPV4 integrated version */
+       case CYBER9388:
+       case CYBER9382:
+       case CYBER9385:
+       case CYBER9397:
+       case CYBER9397DVD:
+       case CYBER9520:
+       case CYBER9525DVD:
+       case CYBERBLADEE4:
+       case CYBERBLADEi7D:
+       case CYBERBLADEi1:
+       case CYBERBLADEi1D:
+       case CYBERBLADEAi1:
+       case CYBERBLADEAi1D:
+       case CYBERBLADEXPAi1:
+               return 1;
 
-               default:
-                       /* case CYBERBLDAEXPm8:  Strange */
-                       /* case CYBERBLDAEXPm16: Strange */
-                       return 0;
+       case CYBER9320:
+       case TGUI9660:
+       case IMAGE975:
+       case IMAGE985:
+       case BLADE3D:
+       case CYBERBLADEi7:      /* VIA MPV4 integrated version */
+
+       default:
+               /* case CYBERBLDAEXPm8:  Strange */
+               /* case CYBERBLDAEXPm16: Strange */
+               return 0;
        }
 }
 
-#define CRT 0x3D0              //CRTC registers offset for color display
+#define CRT 0x3D0              /* CRTC registers offset for color display */
 
 #ifndef TRIDENT_MMIO
        #define TRIDENT_MMIO 1
 #endif
 
 #if TRIDENT_MMIO
-       #define t_outb(val,reg) writeb(val,((struct tridentfb_par *)(fb_info.par))->io_virt + reg)
+       #define t_outb(val, reg)        writeb(val,((struct tridentfb_par *)(fb_info.par))->io_virt + reg)
        #define t_inb(reg)      readb(((struct tridentfb_par*)(fb_info.par))->io_virt + reg)
 #else
-       #define t_outb(val,reg) outb(val,reg)
+       #define t_outb(val, reg) outb(val, reg)
        #define t_inb(reg) inb(reg)
 #endif
 
 
 static struct accel_switch {
-       void (*init_accel)(int,int);
-       void (*wait_engine)(void);
-       void (*fill_rect)(__u32,__u32,__u32,__u32,__u32,__u32);
-       void (*copy_rect)(__u32,__u32,__u32,__u32,__u32,__u32);
+       void (*init_accel) (int, int);
+       void (*wait_engine) (void);
+       void (*fill_rect) (u32, u32, u32, u32, u32, u32);
+       void (*copy_rect) (u32, u32, u32, u32, u32, u32);
 } *acc;
 
-#define writemmr(r,v)  writel(v, ((struct tridentfb_par *)fb_info.par)->io_virt + r)
+#define writemmr(r, v) writel(v, ((struct tridentfb_par *)fb_info.par)->io_virt + r)
 #define readmmr(r)     readl(((struct tridentfb_par *)fb_info.par)->io_virt + r)
 
-
-
 /*
  * Blade specific acceleration.
  */
 
-#define point(x,y) ((y)<<16|(x))
+#define point(x, y) ((y) << 16 | (x))
 #define STA    0x2120
 #define CMD    0x2144
 #define ROP    0x2148
@@ -179,64 +174,71 @@ static struct accel_switch {
 
 #define ROP_S  0xCC
 
-static void blade_init_accel(int pitch,int bpp)
+static void blade_init_accel(int pitch, int bpp)
 {
-       int v1 = (pitch>>3)<<20;
-       int tmp = 0,v2;
+       int v1 = (pitch >> 3) << 20;
+       int tmp = 0, v2;
        switch (bpp) {
-               case 8:tmp = 0;break;
-               case 15:tmp = 5;break;
-               case 16:tmp = 1;break;
-               case 24:
-               case 32:tmp = 2;break;
+       case 8:
+               tmp = 0;
+               break;
+       case 15:
+               tmp = 5;
+               break;
+       case 16:
+               tmp = 1;
+               break;
+       case 24:
+       case 32:
+               tmp = 2;
+               break;
        }
-       v2 = v1 | (tmp<<29);
-       writemmr(0x21C0,v2);
-       writemmr(0x21C4,v2);
-       writemmr(0x21B8,v2);
-       writemmr(0x21BC,v2);
-       writemmr(0x21D0,v1);
-       writemmr(0x21D4,v1);
-       writemmr(0x21C8,v1);
-       writemmr(0x21CC,v1);
-       writemmr(0x216C,0);
+       v2 = v1 | (tmp << 29);
+       writemmr(0x21C0, v2);
+       writemmr(0x21C4, v2);
+       writemmr(0x21B8, v2);
+       writemmr(0x21BC, v2);
+       writemmr(0x21D0, v1);
+       writemmr(0x21D4, v1);
+       writemmr(0x21C8, v1);
+       writemmr(0x21CC, v1);
+       writemmr(0x216C, 0);
 }
 
 static void blade_wait_engine(void)
 {
-       while(readmmr(STA) & 0xFA800000);
+       while (readmmr(STA) & 0xFA800000) ;
 }
 
-static void blade_fill_rect(__u32 x,__u32 y,__u32 w,__u32 h,__u32 c,__u32 rop)
+static void blade_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop)
 {
-       writemmr(CLR,c);
-       writemmr(ROP,rop ? 0x66:ROP_S);
-       writemmr(CMD,0x20000000|1<<19|1<<4|2<<2);
+       writemmr(CLR, c);
+       writemmr(ROP, rop ? 0x66 : ROP_S);
+       writemmr(CMD, 0x20000000 | 1 << 19 | 1 << 4 | 2 << 2);
 
-       writemmr(DR1,point(x,y));
-       writemmr(DR2,point(x+w-1,y+h-1));
+       writemmr(DR1, point(x, y));
+       writemmr(DR2, point(x + w - 1, y + h - 1));
 }
 
-static void blade_copy_rect(__u32 x1,__u32 y1,__u32 x2,__u32 y2,__u32 w,__u32 h)
+static void blade_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h)
 {
-       __u32 s1,s2,d1,d2;
+       u32 s1, s2, d1, d2;
        int direction = 2;
-       s1 = point(x1,y1);
-       s2 = point(x1+w-1,y1+h-1);
-       d1 = point(x2,y2);
-       d2 = point(x2+w-1,y2+h-1);
+       s1 = point(x1, y1);
+       s2 = point(x1 + w - 1, y1 + h - 1);
+       d1 = point(x2, y2);
+       d2 = point(x2 + w - 1, y2 + h - 1);
 
        if ((y1 > y2) || ((y1 == y2) && (x1 > x2)))
-                       direction = 0;
-
+               direction = 0;
 
-       writemmr(ROP,ROP_S);
-       writemmr(CMD,0xE0000000|1<<19|1<<4|1<<2|direction);
+       writemmr(ROP, ROP_S);
+       writemmr(CMD, 0xE0000000 | 1 << 19 | 1 << 4 | 1 << 2 | direction);
 
-       writemmr(SR1,direction?s2:s1);
-       writemmr(SR2,direction?s1:s2);
-       writemmr(DR1,direction?d2:d1);
-       writemmr(DR2,direction?d1:d2);
+       writemmr(SR1, direction ? s2 : s1);
+       writemmr(SR2, direction ? s1 : s2);
+       writemmr(DR1, direction ? d2 : d1);
+       writemmr(DR2, direction ? d1 : d2);
 }
 
 static struct accel_switch accel_blade = {
@@ -246,51 +248,72 @@ static struct accel_switch accel_blade = {
        blade_copy_rect,
 };
 
-
 /*
  * BladeXP specific acceleration functions
  */
 
 #define ROP_P 0xF0
-#define masked_point(x,y) ((y & 0xffff)<<16|(x & 0xffff))
+#define masked_point(x, y) ((y & 0xffff)<<16|(x & 0xffff))
 
-static void xp_init_accel(int pitch,int bpp)
+static void xp_init_accel(int pitch, int bpp)
 {
-       int tmp = 0,v1;
+       int tmp = 0, v1;
        unsigned char x = 0;
 
        switch (bpp) {
-               case 8:  x = 0; break;
-               case 16: x = 1; break;
-               case 24: x = 3; break;
-               case 32: x = 2; break;
+       case 8:
+               x = 0;
+               break;
+       case 16:
+               x = 1;
+               break;
+       case 24:
+               x = 3;
+               break;
+       case 32:
+               x = 2;
+               break;
        }
 
        switch (pitch << (bpp >> 3)) {
-               case 8192:
-               case 512:  x |= 0x00; break;
-               case 1024: x |= 0x04; break;
-               case 2048: x |= 0x08; break;
-               case 4096: x |= 0x0C; break;
+       case 8192:
+       case 512:
+               x |= 0x00;
+               break;
+       case 1024:
+               x |= 0x04;
+               break;
+       case 2048:
+               x |= 0x08;
+               break;
+       case 4096:
+               x |= 0x0C;
+               break;
        }
 
-       t_outb(x,0x2125);
+       t_outb(x, 0x2125);
 
        eng_oper = x | 0x40;
 
        switch (bpp) {
-               case 8:  tmp = 18; break;
-               case 15:
-               case 16: tmp = 19; break;
-               case 24:
-               case 32: tmp = 20; break;
+       case 8:
+               tmp = 18;
+               break;
+       case 15:
+       case 16:
+               tmp = 19;
+               break;
+       case 24:
+       case 32:
+               tmp = 20;
+               break;
        }
 
        v1 = pitch << tmp;
 
-       writemmr(0x2154,v1);
-       writemmr(0x2150,v1);
-       t_outb(3,0x2126);
+       writemmr(0x2154, v1);
+       writemmr(0x2150, v1);
+       t_outb(3, 0x2126);
 }
 
 static void xp_wait_engine(void)
@@ -318,24 +341,24 @@ static void xp_wait_engine(void)
        }
 }
 
-static void xp_fill_rect(__u32 x,__u32 y,__u32 w,__u32 h,__u32 c,__u32 rop)
+static void xp_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop)
 {
-       writemmr(0x2127,ROP_P);
-       writemmr(0x2158,c);
-       writemmr(0x2128,0x4000);
-       writemmr(0x2140,masked_point(h,w));
-       writemmr(0x2138,masked_point(y,x));
-       t_outb(0x01,0x2124);
-        t_outb(eng_oper,0x2125);
+       writemmr(0x2127, ROP_P);
+       writemmr(0x2158, c);
+       writemmr(0x2128, 0x4000);
+       writemmr(0x2140, masked_point(h, w));
+       writemmr(0x2138, masked_point(y, x));
+       t_outb(0x01, 0x2124);
+       t_outb(eng_oper, 0x2125);
 }
 
-static void xp_copy_rect(__u32 x1,__u32 y1,__u32 x2,__u32 y2,__u32 w,__u32 h)
+static void xp_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h)
 {
        int direction;
-       __u32 x1_tmp, x2_tmp, y1_tmp, y2_tmp;
+       u32 x1_tmp, x2_tmp, y1_tmp, y2_tmp;
 
        direction = 0x0004;
-       
+
        if ((x1 < x2) && (y1 == y2)) {
                direction |= 0x0200;
                x1_tmp = x1 + w - 1;
@@ -344,53 +367,60 @@ static void xp_copy_rect(__u32 x1,__u32 y1,__u32 x2,__u32 y2,__u32 w,__u32 h)
                x1_tmp = x1;
                x2_tmp = x2;
        }
-  
+
        if (y1 < y2) {
                direction |= 0x0100;
                y1_tmp = y1 + h - 1;
                y2_tmp = y2 + h - 1;
-       } else {
+       } else {
                y1_tmp = y1;
                y2_tmp = y2;
        }
 
-       writemmr(0x2128,direction);     
-       t_outb(ROP_S,0x2127);
-       writemmr(0x213C,masked_point(y1_tmp,x1_tmp));
-       writemmr(0x2138,masked_point(y2_tmp,x2_tmp));
-       writemmr(0x2140,masked_point(h,w));
-       t_outb(0x01,0x2124);
+       writemmr(0x2128, direction);
+       t_outb(ROP_S, 0x2127);
+       writemmr(0x213C, masked_point(y1_tmp, x1_tmp));
+       writemmr(0x2138, masked_point(y2_tmp, x2_tmp));
+       writemmr(0x2140, masked_point(h, w));
+       t_outb(0x01, 0x2124);
 }
 
 static struct accel_switch accel_xp = {
-       xp_init_accel,
+       xp_init_accel,
        xp_wait_engine,
        xp_fill_rect,
        xp_copy_rect,
 };
 
-
 /*
  * Image specific acceleration functions
  */
-static void image_init_accel(int pitch,int bpp)
+static void image_init_accel(int pitch, int bpp)
 {
        int tmp = 0;
-       switch (bpp) {
-               case 8:tmp = 0;break;
-               case 15:tmp = 5;break;
-               case 16:tmp = 1;break;
-               case 24:
-               case 32:tmp = 2;break;
+       switch (bpp) {
+       case 8:
+               tmp = 0;
+               break;
+       case 15:
+               tmp = 5;
+               break;
+       case 16:
+               tmp = 1;
+               break;
+       case 24:
+       case 32:
+               tmp = 2;
+               break;
        }
        writemmr(0x2120, 0xF0000000);
-       writemmr(0x2120, 0x40000000|tmp);
+       writemmr(0x2120, 0x40000000 | tmp);
        writemmr(0x2120, 0x80000000);
        writemmr(0x2144, 0x00000000);
        writemmr(0x2148, 0x00000000);
        writemmr(0x2150, 0x00000000);
        writemmr(0x2154, 0x00000000);
-       writemmr(0x2120, 0x60000000|(pitch<<16) |pitch);
+       writemmr(0x2120, 0x60000000 | (pitch << 16) | pitch);
        writemmr(0x216C, 0x00000000);
        writemmr(0x2170, 0x00000000);
        writemmr(0x217C, 0x00000000);
@@ -400,44 +430,43 @@ static void image_init_accel(int pitch,int bpp)
 
 static void image_wait_engine(void)
 {
-       while(readmmr(0x2164) & 0xF0000000);
+       while (readmmr(0x2164) & 0xF0000000) ;
 }
 
-static void image_fill_rect(__u32 x, __u32 y, __u32 w, __u32 h, __u32 c, __u32 rop)
+static void image_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop)
 {
-       writemmr(0x2120,0x80000000);
-       writemmr(0x2120,0x90000000|ROP_S);
+       writemmr(0x2120, 0x80000000);
+       writemmr(0x2120, 0x90000000 | ROP_S);
 
-       writemmr(0x2144,c);
+       writemmr(0x2144, c);
 
-       writemmr(DR1,point(x,y));
-       writemmr(DR2,point(x+w-1,y+h-1));
+       writemmr(DR1, point(x, y));
+       writemmr(DR2, point(x + w - 1, y + h - 1));
 
-       writemmr(0x2124,0x80000000|3<<22|1<<10|1<<9);
+       writemmr(0x2124, 0x80000000 | 3 << 22 | 1 << 10 | 1 << 9);
 }
 
-static void image_copy_rect(__u32 x1,__u32 y1,__u32 x2,__u32 y2,__u32 w,__u32 h)
+static void image_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h)
 {
-       __u32 s1,s2,d1,d2;
+       u32 s1, s2, d1, d2;
        int direction = 2;
-       s1 = point(x1,y1);
-       s2 = point(x1+w-1,y1+h-1);
-       d1 = point(x2,y2);
-       d2 = point(x2+w-1,y2+h-1);
-
-       if ((y1 > y2) || ((y1 == y2) && (x1 >x2)))
-                       direction = 0;
-
-       writemmr(0x2120,0x80000000);
-       writemmr(0x2120,0x90000000|ROP_S);
-
-       writemmr(SR1,direction?s2:s1);
-       writemmr(SR2,direction?s1:s2);
-       writemmr(DR1,direction?d2:d1);
-       writemmr(DR2,direction?d1:d2);
-       writemmr(0x2124,0x80000000|1<<22|1<<10|1<<7|direction);
-}
+       s1 = point(x1, y1);
+       s2 = point(x1 + w - 1, y1 + h - 1);
+       d1 = point(x2, y2);
+       d2 = point(x2 + w - 1, y2 + h - 1);
 
+       if ((y1 > y2) || ((y1 == y2) && (x1 > x2)))
+               direction = 0;
+
+       writemmr(0x2120, 0x80000000);
+       writemmr(0x2120, 0x90000000 | ROP_S);
+
+       writemmr(SR1, direction ? s2 : s1);
+       writemmr(SR2, direction ? s1 : s2);
+       writemmr(DR1, direction ? d2 : d1);
+       writemmr(DR2, direction ? d1 : d2);
+       writemmr(0x2124, 0x80000000 | 1 << 22 | 1 << 10 | 1 << 7 | direction);
+}
 
 static struct accel_switch accel_image = {
        image_init_accel,
@@ -450,30 +479,34 @@ static struct accel_switch accel_image = {
  * Accel functions called by the upper layers
  */
 #ifdef CONFIG_FB_TRIDENT_ACCEL
-static void tridentfb_fillrect(struct fb_info * info, const struct fb_fillrect *fr)
+static void tridentfb_fillrect(struct fb_info *info,
+                              const struct fb_fillrect *fr)
 {
        int bpp = info->var.bits_per_pixel;
        int col = 0;
-       
+
        switch (bpp) {
-               default:
-               case 8: col |= fr->color;
-                       col |= col << 8;
-                       col |= col << 16;
-                       break;
-               case 16: col = ((u32 *)(info->pseudo_palette))[fr->color];
-                       
-                        break;
-               case 32: col = ((u32 *)(info->pseudo_palette))[fr->color];
-                        break;
-       }                
-                       
+       default:
+       case 8:
+               col |= fr->color;
+               col |= col << 8;
+               col |= col << 16;
+               break;
+       case 16:
+               col = ((u32 *)(info->pseudo_palette))[fr->color];
+               break;
+       case 32:
+               col = ((u32 *)(info->pseudo_palette))[fr->color];
+               break;
+       }
+
        acc->fill_rect(fr->dx, fr->dy, fr->width, fr->height, col, fr->rop);
        acc->wait_engine();
 }
-static void tridentfb_copyarea(struct fb_info *info, const struct fb_copyarea *ca)
+static void tridentfb_copyarea(struct fb_info *info,
+                              const struct fb_copyarea *ca)
 {
-       acc->copy_rect(ca->sx,ca->sy,ca->dx,ca->dy,ca->width,ca->height);
+       acc->copy_rect(ca->sx, ca->sy, ca->dx, ca->dy, ca->width, ca->height);
        acc->wait_engine();
 }
 #else /* !CONFIG_FB_TRIDENT_ACCEL */
@@ -488,14 +521,14 @@ static void tridentfb_copyarea(struct fb_info *info, const struct fb_copyarea *c
 
 static inline unsigned char read3X4(int reg)
 {
-       struct tridentfb_par * par = (struct tridentfb_par *)fb_info.par;
+       struct tridentfb_par *par = (struct tridentfb_par *)fb_info.par;
        writeb(reg, par->io_virt + CRT + 4);
-       return readb( par->io_virt + CRT + 5);
+       return readb(par->io_virt + CRT + 5);
 }
 
 static inline void write3X4(int reg, unsigned char val)
 {
-       struct tridentfb_par * par = (struct tridentfb_par *)fb_info.par;
+       struct tridentfb_par *par = (struct tridentfb_par *)fb_info.par;
        writeb(reg, par->io_virt + CRT + 4);
        writeb(val, par->io_virt + CRT + 5);
 }
@@ -520,7 +553,7 @@ static inline unsigned char read3CE(int reg)
 
 static inline void writeAttr(int reg, unsigned char val)
 {
-       readb(((struct tridentfb_par *)fb_info.par)->io_virt + CRT + 0x0A);     //flip-flop to index
+       readb(((struct tridentfb_par *)fb_info.par)->io_virt + CRT + 0x0A);     /* flip-flop to index */
        t_outb(reg, 0x3C0);
        t_outb(val, 0x3C0);
 }
@@ -540,32 +573,41 @@ static inline void enable_mmio(void)
        /* Unprotect registers */
        outb(NewMode1, 0x3C4);
        outb(0x80, 0x3C5);
-  
+
        /* Enable MMIO */
-       outb(PCIReg, 0x3D4); 
+       outb(PCIReg, 0x3D4);
        outb(inb(0x3D5) | 0x01, 0x3D5);
 }
 
-
 #define crtc_unlock()  write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F)
 
 /*  Return flat panel's maximum x resolution */
 static int __devinit get_nativex(void)
 {
-       int x,y,tmp;
+       int x, y, tmp;
 
        if (nativex)
                return nativex;
 
-               tmp = (read3CE(VertStretch) >> 4) & 3;
+       tmp = (read3CE(VertStretch) >> 4) & 3;
 
        switch (tmp) {
-               case 0: x = 1280; y = 1024; break;
-               case 2: x = 1024; y = 768;  break;
-               case 3: x = 800;  y = 600;  break; 
-               case 4: x = 1400; y = 1050; break;
-               case 1: 
-               default:x = 640;  y = 480;  break;
+       case 0:
+               x = 1280; y = 1024;
+               break;
+       case 2:
+               x = 1024; y = 768;
+               break;
+       case 3:
+               x = 800; y = 600;
+               break;
+       case 4:
+               x = 1400; y = 1050;
+               break;
+       case 1:
+       default:
+               x = 640;  y = 480;
+               break;
        }
 
        output("%dx%d flat panel found\n", x, y);
@@ -576,25 +618,26 @@ static int __devinit get_nativex(void)
 static void set_lwidth(int width)
 {
        write3X4(Offset, width & 0xFF);
-       write3X4(AddColReg, (read3X4(AddColReg) & 0xCF) | ((width & 0x300) >>4));
+       write3X4(AddColReg,
+                (read3X4(AddColReg) & 0xCF) | ((width & 0x300) >> 4));
 }
 
 /* For resolutions smaller than FP resolution stretch */
 static void screen_stretch(void)
 {
-       if (chip_id != CYBERBLADEXPAi1)
-               write3CE(BiosReg,0);
-       else
-               write3CE(BiosReg,8);
-       write3CE(VertStretch,(read3CE(VertStretch) & 0x7C) | 1);
-       write3CE(HorStretch,(read3CE(HorStretch) & 0x7C) | 1);
+       if (chip_id != CYBERBLADEXPAi1)
+               write3CE(BiosReg, 0);
+       else
+               write3CE(BiosReg, 8);
+       write3CE(VertStretch, (read3CE(VertStretch) & 0x7C) | 1);
+       write3CE(HorStretch, (read3CE(HorStretch) & 0x7C) | 1);
 }
 
 /* For resolutions smaller than FP resolution center */
 static void screen_center(void)
 {
-       write3CE(VertStretch,(read3CE(VertStretch) & 0x7C) | 0x80);
-       write3CE(HorStretch,(read3CE(HorStretch) & 0x7C) | 0x80);
+       write3CE(VertStretch, (read3CE(VertStretch) & 0x7C) | 0x80);
+       write3CE(HorStretch, (read3CE(HorStretch) & 0x7C) | 0x80);
 }
 
 /* Address of first shown pixel in display memory */
@@ -602,40 +645,42 @@ static void set_screen_start(int base)
 {
        write3X4(StartAddrLow, base & 0xFF);
        write3X4(StartAddrHigh, (base & 0xFF00) >> 8);
-       write3X4(CRTCModuleTest, (read3X4(CRTCModuleTest) & 0xDF) | ((base & 0x10000) >> 11));
-       write3X4(CRTHiOrd, (read3X4(CRTHiOrd) & 0xF8) | ((base & 0xE0000) >> 17));
+       write3X4(CRTCModuleTest,
+                (read3X4(CRTCModuleTest) & 0xDF) | ((base & 0x10000) >> 11));
+       write3X4(CRTHiOrd,
+                (read3X4(CRTHiOrd) & 0xF8) | ((base & 0xE0000) >> 17));
 }
 
 /* Use 20.12 fixed-point for NTSC value and frequency calculation */
-#define calc_freq(n,m,k)  ( ((unsigned long)0xE517 * (n+8) / ((m+2)*(1<<k))) >> 12 )
+#define calc_freq(n, m, k)  ( ((unsigned long)0xE517 * (n + 8) / ((m + 2) * (1 << k))) >> 12 )
 
 /* Set dotclock frequency */
 static void set_vclk(int freq)
 {
-       int m,n,k;
-       int f,fi,d,di;
-       unsigned char lo=0,hi=0;
+       int m, n, k;
+       int f, fi, d, di;
+       unsigned char lo = 0, hi = 0;
 
        d = 20;
-       for(k = 2;k>=0;k--)
-       for(m = 0;m<63;m++)
-       for(n = 0;n<128;n++) {
-               fi = calc_freq(n,m,k);
-               if ((di = abs(fi - freq)) < d) {
-                       d = di;
-                       f = fi;
-                       lo = n;
-                       hi = (k<<6) | m;
-               }
-       }
+       for (k = 2; k >= 0; k--)
+               for (m = 0; m < 63; m++)
+                       for (n = 0; n < 128; n++) {
+                               fi = calc_freq(n, m, k);
+                               if ((di = abs(fi - freq)) < d) {
+                                       d = di;
+                                       f = fi;
+                                       lo = n;
+                                       hi = (k << 6) | m;
+                               }
+                       }
        if (chip3D) {
-               write3C4(ClockHigh,hi);
-               write3C4(ClockLow,lo);
+               write3C4(ClockHigh, hi);
+               write3C4(ClockLow, lo);
        } else {
-               outb(lo,0x43C8);
-               outb(hi,0x43C9);
+               outb(lo, 0x43C8);
+               outb(hi, 0x43C9);
        }
-       debug("VCLK = %X %X\n",hi,lo);
+       debug("VCLK = %X %X\n", hi, lo);
 }
 
 /* Set number of lines for flat panels*/
@@ -663,7 +708,7 @@ static unsigned int __devinit get_displaytype(void)
                return DISPLAY_FP;
        if (crt || !chipcyber)
                return DISPLAY_CRT;
-       return (read3CE(FPConfig) & 0x10)?DISPLAY_FP:DISPLAY_CRT;
+       return (read3CE(FPConfig) & 0x10) ? DISPLAY_FP : DISPLAY_CRT;
 }
 
 /* Try detecting the video memory size */
@@ -676,100 +721,136 @@ static unsigned int __devinit get_memsize(void)
        if (memsize)
                k = memsize * Kb;
        else
-       switch (chip_id) {
-               case CYBER9525DVD:    k = 2560 * Kb; break;
+               switch (chip_id) {
+               case CYBER9525DVD:
+                       k = 2560 * Kb;
+                       break;
                default:
                        tmp = read3X4(SPR) & 0x0F;
                        switch (tmp) {
 
-                               case 0x01: k = 512;     break;
-                               case 0x02: k = 6 * Mb;  break; /* XP */
-                               case 0x03: k = 1 * Mb;  break;
-                               case 0x04: k = 8 * Mb;  break;
-                               case 0x06: k = 10 * Mb; break; /* XP */
-                               case 0x07: k = 2 * Mb;  break;
-                               case 0x08: k = 12 * Mb; break; /* XP */
-                               case 0x0A: k = 14 * Mb; break; /* XP */
-                               case 0x0C: k = 16 * Mb; break; /* XP */
-                               case 0x0E:                     /* XP */
-  
-                                       tmp2 = read3C4(0xC1);
-                                       switch (tmp2) {
-                                               case 0x00: k = 20 * Mb; break;
-                                               case 0x01: k = 24 * Mb; break;
-                                               case 0x10: k = 28 * Mb; break;
-                                               case 0x11: k = 32 * Mb; break;
-                                               default:   k = 1 * Mb;  break;
-                                       }
+                       case 0x01:
+                               k = 512;
+                               break;
+                       case 0x02:
+                               k = 6 * Mb;     /* XP */
+                               break;
+                       case 0x03:
+                               k = 1 * Mb;
+                               break;
+                       case 0x04:
+                               k = 8 * Mb;
+                               break;
+                       case 0x06:
+                               k = 10 * Mb;    /* XP */
+                               break;
+                       case 0x07:
+                               k = 2 * Mb;
+                               break;
+                       case 0x08:
+                               k = 12 * Mb;    /* XP */
+                               break;
+                       case 0x0A:
+                               k = 14 * Mb;    /* XP */
+                               break;
+                       case 0x0C:
+                               k = 16 * Mb;    /* XP */
+                               break;
+                       case 0x0E:              /* XP */
+
+                               tmp2 = read3C4(0xC1);
+                               switch (tmp2) {
+                               case 0x00:
+                                       k = 20 * Mb;
+                                       break;
+                               case 0x01:
+                                       k = 24 * Mb;
+                                       break;
+                               case 0x10:
+                                       k = 28 * Mb;
+                                       break;
+                               case 0x11:
+                                       k = 32 * Mb;
+                                       break;
+                               default:
+                                       k = 1 * Mb;
+                                       break;
+                               }
+                               break;
+
+                       case 0x0F:
+                               k = 4 * Mb;
+                               break;
+                       default:
+                               k = 1 * Mb;
                                break;
-       
-                               case 0x0F: k = 4 * Mb; break;
-                               default:   k = 1 * Mb;
                        }
-       }
+               }
 
        k -= memdiff * Kb;
-       output("framebuffer size = %d Kb\n", k/Kb);
+       output("framebuffer size = %d Kb\n", k / Kb);
        return k;
 }
 
 /* See if we can handle the video mode described in var */
-static int tridentfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+static int tridentfb_check_var(struct fb_var_screeninfo *var,
+                              struct fb_info *info)
 {
        int bpp = var->bits_per_pixel;
        debug("enter\n");
 
        /* check color depth */
-       if (bpp == 24 )
+       if (bpp == 24)
                bpp = var->bits_per_pixel = 32;
-       /* check whether resolution fits on panel and in memory*/
+       /* check whether resolution fits on panel and in memory */
        if (flatpanel && nativex && var->xres > nativex)
                return -EINVAL;
-       if (var->xres * var->yres_virtual * bpp/8 > info->fix.smem_len)
+       if (var->xres * var->yres_virtual * bpp / 8 > info->fix.smem_len)
                return -EINVAL;
 
        switch (bpp) {
-               case 8:
-                       var->red.offset = 0;
-                       var->green.offset = 0;
-                       var->blue.offset = 0;
-                       var->red.length = 6;
-                       var->green.length = 6;
-                       var->blue.length = 6;
-                       break;
-               case 16:
-                       var->red.offset = 11;
-                       var->green.offset = 5;
-                       var->blue.offset = 0;
-                       var->red.length = 5;
-                       var->green.length = 6;
-                       var->blue.length = 5;
-                       break;
-               case 32:
-                       var->red.offset = 16;
-                       var->green.offset = 8;
-                       var->blue.offset = 0;
-                       var->red.length = 8;
-                       var->green.length = 8;
-                       var->blue.length = 8;
-                       break;
-               default:
-                       return -EINVAL; 
+       case 8:
+               var->red.offset = 0;
+               var->green.offset = 0;
+               var->blue.offset = 0;
+               var->red.length = 6;
+               var->green.length = 6;
+               var->blue.length = 6;
+               break;
+       case 16:
+               var->red.offset = 11;
+               var->green.offset = 5;
+               var->blue.offset = 0;
+               var->red.length = 5;
+               var->green.length = 6;
+               var->blue.length = 5;
+               break;
+       case 32:
+               var->red.offset = 16;
+               var->green.offset = 8;
+               var->blue.offset = 0;
+               var->red.length = 8;
+               var->green.length = 8;
+               var->blue.length = 8;
+               break;
+       default:
+               return -EINVAL;
        }
        debug("exit\n");
 
        return 0;
 
 }
+
 /* Pan the display */
 static int tridentfb_pan_display(struct fb_var_screeninfo *var,
-                                  struct fb_info *info)
+                                struct fb_info *info)
 {
        unsigned int offset;
 
        debug("enter\n");
        offset = (var->xoffset + (var->yoffset * var->xres))
-                       * var->bits_per_pixel/32;
+               * var->bits_per_pixel / 32;
        info->var.xoffset = var->xoffset;
        info->var.yoffset = var->yoffset;
        set_screen_start(offset);
@@ -777,36 +858,38 @@ static int tridentfb_pan_display(struct fb_var_screeninfo *var,
        return 0;
 }
 
-#define shadowmode_on()  write3CE(CyberControl,read3CE(CyberControl) | 0x81)
-#define shadowmode_off() write3CE(CyberControl,read3CE(CyberControl) & 0x7E)
+#define shadowmode_on()  write3CE(CyberControl, read3CE(CyberControl) | 0x81)
+#define shadowmode_off() write3CE(CyberControl, read3CE(CyberControl) & 0x7E)
 
 /* Set the hardware to the requested video mode */
 static int tridentfb_set_par(struct fb_info *info)
 {
-       struct tridentfb_par * par = (struct tridentfb_par *)(info->par);
-       u32     htotal,hdispend,hsyncstart,hsyncend,hblankstart,hblankend,
-               vtotal,vdispend,vsyncstart,vsyncend,vblankstart,vblankend;
-       struct fb_var_screeninfo *var = &info->var;     
+       struct tridentfb_par *par = (struct tridentfb_par *)(info->par);
+       u32 htotal, hdispend, hsyncstart, hsyncend, hblankstart, hblankend;
+       u32 vtotal, vdispend, vsyncstart, vsyncend, vblankstart, vblankend;
+       struct fb_var_screeninfo *var = &info->var;
        int bpp = var->bits_per_pixel;
        unsigned char tmp;
        debug("enter\n");
-       htotal = (var->xres + var->left_margin + var->right_margin + var->hsync_len)/8 - 10;
-       hdispend = var->xres/8 - 1;
-       hsyncstart = (var->xres + var->right_margin)/8;
-       hsyncend = var->hsync_len/8;
+       hdispend = var->xres / 8 - 1;
+       hsyncstart = (var->xres + var->right_margin) / 8;
+       hsyncend = var->hsync_len / 8;
+       htotal =
+               (var->xres + var->left_margin + var->right_margin +
+                var->hsync_len) / 8 - 10;
        hblankstart = hdispend + 1;
        hblankend = htotal + 5;
 
-       vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len - 2;
        vdispend = var->yres - 1;
        vsyncstart = var->yres + var->lower_margin;
        vsyncend = var->vsync_len;
+       vtotal = var->upper_margin + vsyncstart + vsyncend - 2;
        vblankstart = var->yres;
        vblankend = vtotal + 2;
 
        enable_mmio();
        crtc_unlock();
-       write3CE(CyberControl,8);
+       write3CE(CyberControl, 8);
 
        if (flatpanel && var->xres < nativex) {
                /*
@@ -814,18 +897,18 @@ static int tridentfb_set_par(struct fb_info *info)
                 * than requested resolution decide whether
                 * we stretch or center
                 */
-               t_outb(0xEB,0x3C2);
+               t_outb(0xEB, 0x3C2);
 
                shadowmode_on();
 
-               if (center) 
+               if (center)
                        screen_center();
                else if (stretch)
                        screen_stretch();
 
        } else {
-               t_outb(0x2B,0x3C2);
-               write3CE(CyberControl,8);
+               t_outb(0x2B, 0x3C2);
+               write3CE(CyberControl, 8);
        }
 
        /* vertical timing values */
@@ -834,15 +917,15 @@ static int tridentfb_set_par(struct fb_info *info)
        write3X4(CRTVSyncStart, vsyncstart & 0xFF);
        write3X4(CRTVSyncEnd, (vsyncend & 0x0F));
        write3X4(CRTVBlankStart, vblankstart & 0xFF);
-       write3X4(CRTVBlankEnd, 0/*p->vblankend & 0xFF*/);
+       write3X4(CRTVBlankEnd, 0 /* p->vblankend & 0xFF */ );
 
        /* horizontal timing values */
        write3X4(CRTHTotal, htotal & 0xFF);
        write3X4(CRTHDispEnd, hdispend & 0xFF);
        write3X4(CRTHSyncStart, hsyncstart & 0xFF);
-       write3X4(CRTHSyncEnd, (hsyncend & 0x1F) | ((hblankend & 0x20)<<2));
+       write3X4(CRTHSyncEnd, (hsyncend & 0x1F) | ((hblankend & 0x20) << 2));
        write3X4(CRTHBlankStart, hblankstart & 0xFF);
-       write3X4(CRTHBlankEnd, 0/*(p->hblankend & 0x1F)*/);
+       write3X4(CRTHBlankEnd, 0 /* (p->hblankend & 0x1F) */ );
 
        /* higher bits of vertical timing values */
        tmp = 0x10;
@@ -856,7 +939,7 @@ static int tridentfb_set_par(struct fb_info *info)
        if (vsyncstart & 0x200) tmp |= 0x80;
        write3X4(CRTOverflow, tmp);
 
-       tmp = read3X4(CRTHiOrd) | 0x08; //line compare bit 10
+       tmp = read3X4(CRTHiOrd) | 0x08; /* line compare bit 10 */
        if (vtotal & 0x400) tmp |= 0x80;
        if (vblankstart & 0x400) tmp |= 0x40;
        if (vsyncstart & 0x400) tmp |= 0x20;
@@ -867,84 +950,100 @@ static int tridentfb_set_par(struct fb_info *info)
        if (htotal & 0x800) tmp |= 0x800 >> 11;
        if (hblankstart & 0x800) tmp |= 0x800 >> 7;
        write3X4(HorizOverflow, tmp);
-       
+
        tmp = 0x40;
        if (vblankstart & 0x200) tmp |= 0x20;
-//FIXME        if (info->var.vmode & FB_VMODE_DOUBLE) tmp |= 0x80;  //double scan for 200 line modes
+//FIXME        if (info->var.vmode & FB_VMODE_DOUBLE) tmp |= 0x80;  /* double scan for 200 line modes */
        write3X4(CRTMaxScanLine, tmp);
 
-       write3X4(CRTLineCompare,0xFF);
-       write3X4(CRTPRowScan,0);
-       write3X4(CRTModeControl,0xC3);
+       write3X4(CRTLineCompare, 0xFF);
+       write3X4(CRTPRowScan, 0);
+       write3X4(CRTModeControl, 0xC3);
 
-       write3X4(LinearAddReg,0x20);    //enable linear addressing
+       write3X4(LinearAddReg, 0x20);   /* enable linear addressing */
 
-       tmp = (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84:0x80;
-       write3X4(CRTCModuleTest,tmp);   //enable access extended memory
+       tmp = (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84 : 0x80;
+       write3X4(CRTCModuleTest, tmp);  /* enable access extended memory */
 
-       write3X4(GraphEngReg, 0x80);    //enable GE for text acceleration
+       write3X4(GraphEngReg, 0x80);    /* enable GE for text acceleration */
 
-#ifdef CONFIG_FB_TRIDENT_ACCEL 
-       acc->init_accel(info->var.xres,bpp);
+#ifdef CONFIG_FB_TRIDENT_ACCEL
+       acc->init_accel(info->var.xres, bpp);
 #endif
-       
+
        switch (bpp) {
-               case 8:  tmp = 0x00; break;
-               case 16: tmp = 0x05; break;
-               case 24: tmp = 0x29; break;
-               case 32: tmp = 0x09; 
+       case 8:
+               tmp = 0x00;
+               break;
+       case 16:
+               tmp = 0x05;
+               break;
+       case 24:
+               tmp = 0x29;
+               break;
+       case 32:
+               tmp = 0x09;
+               break;
        }
 
        write3X4(PixelBusReg, tmp);
 
        tmp = 0x10;
        if (chipcyber)
-           tmp |= 0x20;
-       write3X4(DRAMControl, tmp);     //both IO,linear enable
+               tmp |= 0x20;
+       write3X4(DRAMControl, tmp);     /* both IO, linear enable */
 
        write3X4(InterfaceSel, read3X4(InterfaceSel) | 0x40);
-       write3X4(Performance,0x92);
-       write3X4(PCIReg,0x07);          //MMIO & PCI read and write burst enable
+       write3X4(Performance, 0x92);
+       write3X4(PCIReg, 0x07);         /* MMIO & PCI read and write burst enable */
 
        /* convert from picoseconds to MHz */
-       par->vclk = 1000000/info->var.pixclock;
+       par->vclk = 1000000 / info->var.pixclock;
        if (bpp == 32)
-               par->vclk *=2;
+               par->vclk *= 2;
        set_vclk(par->vclk);
 
-       write3C4(0,3);
-       write3C4(1,1);          //set char clock 8 dots wide
-       write3C4(2,0x0F);       //enable 4 maps because needed in chain4 mode
-       write3C4(3,0);
-       write3C4(4,0x0E);       //memory mode enable bitmaps ??
+       write3C4(0, 3);
+       write3C4(1, 1);         /* set char clock 8 dots wide */
+       write3C4(2, 0x0F);      /* enable 4 maps because needed in chain4 mode */
+       write3C4(3, 0);
+       write3C4(4, 0x0E);      /* memory mode enable bitmaps ?? */
 
-       write3CE(MiscExtFunc,(bpp==32)?0x1A:0x12);      //divide clock by 2 if 32bpp
-                                                       //chain4 mode display and CPU path
-       write3CE(0x5,0x40);     //no CGA compat,allow 256 col
-       write3CE(0x6,0x05);     //graphics mode
-       write3CE(0x7,0x0F);     //planes?
+       write3CE(MiscExtFunc, (bpp == 32) ? 0x1A : 0x12);       /* divide clock by 2 if 32bpp */
+                                                       /* chain4 mode display and CPU path */
+       write3CE(0x5, 0x40);    /* no CGA compat, allow 256 col */
+       write3CE(0x6, 0x05);    /* graphics mode */
+       write3CE(0x7, 0x0F);    /* planes? */
 
        if (chip_id == CYBERBLADEXPAi1) {
                /* This fixes snow-effect in 32 bpp */
-               write3X4(CRTHSyncStart,0x84);
+               write3X4(CRTHSyncStart, 0x84);
        }
 
-       writeAttr(0x10,0x41);   //graphics mode and support 256 color modes
-       writeAttr(0x12,0x0F);   //planes
-       writeAttr(0x13,0);      //horizontal pel panning
+       writeAttr(0x10, 0x41);  /* graphics mode and support 256 color modes */
+       writeAttr(0x12, 0x0F);  /* planes */
+       writeAttr(0x13, 0);     /* horizontal pel panning */
 
-       //colors
-       for(tmp = 0;tmp < 0x10;tmp++)
-               writeAttr(tmp,tmp);
-       readb(par->io_virt + CRT + 0x0A);       //flip-flop to index
-       t_outb(0x20, 0x3C0);                    //enable attr
+       /* colors */
+       for (tmp = 0; tmp < 0x10; tmp++)
+               writeAttr(tmp, tmp);
+       readb(par->io_virt + CRT + 0x0A);       /* flip-flop to index */
+       t_outb(0x20, 0x3C0);                    /* enable attr */
 
        switch (bpp) {
-               case 8: tmp = 0;break;          //256 colors
-               case 15: tmp = 0x10;break;
-               case 16: tmp = 0x30;break;      //hicolor
-               case 24:                        //truecolor
-               case 32: tmp = 0xD0;break;
+       case 8:
+               tmp = 0;
+               break;
+       case 15:
+               tmp = 0x10;
+               break;
+       case 16:
+               tmp = 0x30;
+               break;
+       case 24:
+       case 32:
+               tmp = 0xD0;
+               break;
        }
 
        t_inb(0x3C8);
@@ -952,37 +1051,36 @@ static int tridentfb_set_par(struct fb_info *info)
        t_inb(0x3C6);
        t_inb(0x3C6);
        t_inb(0x3C6);
-       t_outb(tmp,0x3C6);
+       t_outb(tmp, 0x3C6);
        t_inb(0x3C8);
 
        if (flatpanel)
                set_number_of_lines(info->var.yres);
-       set_lwidth(info->var.xres * bpp/(4*16));
+       set_lwidth(info->var.xres * bpp / (4 * 16));
        info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
-       info->fix.line_length = info->var.xres * (bpp >> 3);  
-       info->cmap.len = (bpp == 8) ? 256: 16;
+       info->fix.line_length = info->var.xres * (bpp >> 3);
+       info->cmap.len = (bpp == 8) ? 256 : 16;
        debug("exit\n");
        return 0;
 }
 
 /* Set one color register */
 static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green,
-                                unsigned blue, unsigned transp,
-                                struct fb_info *info)
+                              unsigned blue, unsigned transp,
+                              struct fb_info *info)
 {
        int bpp = info->var.bits_per_pixel;
 
        if (regno >= info->cmap.len)
                return 1;
 
-
        if (bpp == 8) {
-               t_outb(0xFF,0x3C6);
-               t_outb(regno,0x3C8);
+               t_outb(0xFF, 0x3C6);
+               t_outb(regno, 0x3C8);
 
-               t_outb(red>>10,0x3C9);
-               t_outb(green>>10,0x3C9);
-               t_outb(blue>>10,0x3C9);
+               t_outb(red >> 10, 0x3C9);
+               t_outb(green >> 10, 0x3C9);
+               t_outb(blue >> 10, 0x3C9);
 
        } else if (regno < 16) {
                if (bpp == 16) {        /* RGB 565 */
@@ -994,29 +1092,28 @@ static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green,
                        ((u32 *)(info->pseudo_palette))[regno] = col;
                } else if (bpp == 32)           /* ARGB 8888 */
                        ((u32*)info->pseudo_palette)[regno] =
-                               ((transp & 0xFF00) <<16)        |
-                               ((red & 0xFF00) << 8)           |
+                               ((transp & 0xFF00) << 16)       |
+                               ((red & 0xFF00) << 8)           |
                                ((green & 0xFF00))              |
-                               ((blue & 0xFF00)>>8);
+                               ((blue & 0xFF00) >> 8);
        }
 
-//     debug("exit\n");
+/*     debug("exit\n"); */
        return 0;
 }
 
 /* Try blanking the screen.For flat panels it does nothing */
 static int tridentfb_blank(int blank_mode, struct fb_info *info)
 {
-       unsigned char PMCont,DPMSCont;
+       unsigned char PMCont, DPMSCont;
 
        debug("enter\n");
        if (flatpanel)
                return 0;
-       t_outb(0x04,0x83C8); /* Read DPMS Control */
+       t_outb(0x04, 0x83C8); /* Read DPMS Control */
        PMCont = t_inb(0x83C6) & 0xFC;
        DPMSCont = read3CE(PowerStatus) & 0xFC;
-       switch (blank_mode)
-       {
+       switch (blank_mode) {
        case FB_BLANK_UNBLANK:
                /* Screen: On, HSync: On, VSync: On */
        case FB_BLANK_NORMAL:
@@ -1039,11 +1136,11 @@ static int tridentfb_blank(int blank_mode, struct fb_info *info)
                PMCont |= 0x00;
                DPMSCont |= 0x03;
                break;
-       }
+       }
 
-       write3CE(PowerStatus,DPMSCont);
-       t_outb(4,0x83C8);
-       t_outb(PMCont,0x83C6);
+       write3CE(PowerStatus, DPMSCont);
+       t_outb(4, 0x83C8);
+       t_outb(PMCont, 0x83C6);
 
        debug("exit\n");
 
@@ -1051,7 +1148,20 @@ static int tridentfb_blank(int blank_mode, struct fb_info *info)
        return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0;
 }
 
-static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_device_id * id)
+static struct fb_ops tridentfb_ops = {
+       .owner = THIS_MODULE,
+       .fb_setcolreg = tridentfb_setcolreg,
+       .fb_pan_display = tridentfb_pan_display,
+       .fb_blank = tridentfb_blank,
+       .fb_check_var = tridentfb_check_var,
+       .fb_set_par = tridentfb_set_par,
+       .fb_fillrect = tridentfb_fillrect,
+       .fb_copyarea = tridentfb_copyarea,
+       .fb_imageblit = cfb_imageblit,
+};
+
+static int __devinit trident_pci_probe(struct pci_dev * dev,
+                                      const struct pci_device_id * id)
 {
        int err;
        unsigned char revision;
@@ -1062,31 +1172,42 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
 
        chip_id = id->device;
 
-       if(chip_id == CYBERBLADEi1)
+       if (chip_id == CYBERBLADEi1)
                output("*** Please do use cyblafb, Cyberblade/i1 support "
                       "will soon be removed from tridentfb!\n");
 
 
        /* If PCI id is 0x9660 then further detect chip type */
-       
+
        if (chip_id == TGUI9660) {
-               outb(RevisionID,0x3C4);
-               revision = inb(0x3C5);  
-       
+               outb(RevisionID, 0x3C4);
+               revision = inb(0x3C5);
+
                switch (revision) {
-                       case 0x22:
-                       case 0x23: chip_id = CYBER9397;break;
-                       case 0x2A: chip_id = CYBER9397DVD;break;
-                       case 0x30:
-                       case 0x33:
-                       case 0x34:
-                       case 0x35:
-                       case 0x38:
-                       case 0x3A:
-                       case 0xB3: chip_id = CYBER9385;break;
-                       case 0x40 ... 0x43: chip_id = CYBER9382;break;
-                       case 0x4A: chip_id = CYBER9388;break;
-                       default:break;  
+               case 0x22:
+               case 0x23:
+                       chip_id = CYBER9397;
+                       break;
+               case 0x2A:
+                       chip_id = CYBER9397DVD;
+                       break;
+               case 0x30:
+               case 0x33:
+               case 0x34:
+               case 0x35:
+               case 0x38:
+               case 0x3A:
+               case 0xB3:
+                       chip_id = CYBER9385;
+                       break;
+               case 0x40 ... 0x43:
+                       chip_id = CYBER9382;
+                       break;
+               case 0x4A:
+                       chip_id = CYBER9388;
+                       break;
+               default:
+                       break;
                }
        }
 
@@ -1095,8 +1216,7 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
 
        if (is_xp(chip_id)) {
                acc = &accel_xp;
-       } else 
-       if (is_blade(chip_id)) {
+       } else if (is_blade(chip_id)) {
                acc = &accel_blade;
        } else {
                acc = &accel_image;
@@ -1108,8 +1228,8 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
        fb_info.par = &default_par;
 
        /* setup MMIO region */
-       tridentfb_fix.mmio_start = pci_resource_start(dev,1);
-       tridentfb_fix.mmio_len = chip3D ? 0x20000:0x10000;
+       tridentfb_fix.mmio_start = pci_resource_start(dev, 1);
+       tridentfb_fix.mmio_len = chip3D ? 0x20000 : 0x10000;
 
        if (!request_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len, "tridentfb")) {
                debug("request_region failed!\n");
@@ -1125,11 +1245,11 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
        }
 
        enable_mmio();
-       
+
        /* setup framebuffer memory */
-       tridentfb_fix.smem_start = pci_resource_start(dev,0);
+       tridentfb_fix.smem_start = pci_resource_start(dev, 0);
        tridentfb_fix.smem_len = get_memsize();
-       
+
        if (!request_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len, "tridentfb")) {
                debug("request_mem_region failed!\n");
                err = -1;
@@ -1137,7 +1257,7 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
        }
 
        fb_info.screen_base = ioremap_nocache(tridentfb_fix.smem_start,
-                                       tridentfb_fix.smem_len);
+                                             tridentfb_fix.smem_len);
 
        if (!fb_info.screen_base) {
                release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len);
@@ -1147,13 +1267,13 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
        }
 
        output("%s board found\n", pci_name(dev));
-#if 0  
-       output("Trident board found : mem = %X,io = %X, mem_v = %X, io_v = %X\n",
+#if 0
+       output("Trident board found : mem = %X, io = %X, mem_v = %X, io_v = %X\n",
                tridentfb_fix.smem_start, tridentfb_fix.mmio_start, fb_info.screen_base, default_par.io_virt);
 #endif
        displaytype = get_displaytype();
 
-       if(flatpanel)
+       if (flatpanel)
                nativex = get_nativex();
 
        fb_info.fix = tridentfb_fix;
@@ -1166,11 +1286,11 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
 #endif
        fb_info.pseudo_palette = pseudo_pal;
 
-       if (!fb_find_mode(&default_var,&fb_info,mode,NULL,0,NULL,bpp)) {
+       if (!fb_find_mode(&default_var, &fb_info, mode, NULL, 0, NULL, bpp)) {
                err = -EINVAL;
                goto out_unmap;
        }
-       fb_alloc_cmap(&fb_info.cmap,256,0);
+       fb_alloc_cmap(&fb_info.cmap, 256, 0);
        if (defaultaccel && acc)
                default_var.accel_flags |= FB_ACCELF_TEXT;
        else
@@ -1184,8 +1304,8 @@ static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_de
                goto out_unmap;
        }
        output("fb%d: %s frame buffer device %dx%d-%dbpp\n",
-          fb_info.node, fb_info.fix.id,default_var.xres,
-          default_var.yres,default_var.bits_per_pixel);
+          fb_info.node, fb_info.fix.id, default_var.xres,
+          default_var.yres, default_var.bits_per_pixel);
        return 0;
 
 out_unmap:
@@ -1196,7 +1316,7 @@ out_unmap:
        return err;
 }
 
-static void __devexit trident_pci_remove(struct pci_dev * dev)
+static void __devexit trident_pci_remove(struct pci_dev *dev)
 {
        struct tridentfb_par *par = (struct tridentfb_par*)fb_info.par;
        unregister_framebuffer(&fb_info);
@@ -1208,69 +1328,70 @@ static void __devexit trident_pci_remove(struct pci_dev * dev)
 
 /* List of boards that we are trying to support */
 static struct pci_device_id trident_devices[] = {
-       {PCI_VENDOR_ID_TRIDENT, BLADE3D, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7D, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1D, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1D, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEE4, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, TGUI9660, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, IMAGE975, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, IMAGE985, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBER9320, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBER9388, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBER9520, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBER9525DVD, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBER9397, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBER9397DVD, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPAi1, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm8, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
-       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm16, PCI_ANY_ID,PCI_ANY_ID,0,0,0},
+       {PCI_VENDOR_ID_TRIDENT, BLADE3D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEE4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, TGUI9660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, IMAGE975, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, IMAGE985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBER9320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBER9388, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBER9520, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBER9525DVD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBER9397, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBER9397DVD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPAi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm16, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
        {0,}
-};     
-       
-MODULE_DEVICE_TABLE(pci,trident_devices); 
+};
+
+MODULE_DEVICE_TABLE(pci, trident_devices);
 
 static struct pci_driver tridentfb_pci_driver = {
-       .name           = "tridentfb",
-       .id_table       = trident_devices,
-       .probe          = trident_pci_probe,
-       .remove         = __devexit_p(trident_pci_remove)
+       .name = "tridentfb",
+       .id_table = trident_devices,
+       .probe = trident_pci_probe,
+       .remove = __devexit_p(trident_pci_remove)
 };
 
 /*
  * Parse user specified options (`video=trident:')
  * example:
- *     video=trident:800x600,bpp=16,noaccel
+ *     video=trident:800x600,bpp=16,noaccel
  */
 #ifndef MODULE
 static int tridentfb_setup(char *options)
 {
-       char * opt;
+       char *opt;
        if (!options || !*options)
                return 0;
-       while((opt = strsep(&options,",")) != NULL ) {
-               if (!*opt) continue;
-               if (!strncmp(opt,"noaccel",7))
+       while ((opt = strsep(&options, ",")) != NULL) {
+               if (!*opt)
+                       continue;
+               if (!strncmp(opt, "noaccel", 7))
                        noaccel = 1;
-               else if (!strncmp(opt,"fp",2))
+               else if (!strncmp(opt, "fp", 2))
                        displaytype = DISPLAY_FP;
-               else if (!strncmp(opt,"crt",3))
+               else if (!strncmp(opt, "crt", 3))
                        displaytype = DISPLAY_CRT;
-               else if (!strncmp(opt,"bpp=",4))
-                       bpp = simple_strtoul(opt+4,NULL,0);
-               else if (!strncmp(opt,"center",6))
+               else if (!strncmp(opt, "bpp=", 4))
+                       bpp = simple_strtoul(opt + 4, NULL, 0);
+               else if (!strncmp(opt, "center", 6))
                        center = 1;
-               else if (!strncmp(opt,"stretch",7))
+               else if (!strncmp(opt, "stretch", 7))
                        stretch = 1;
-               else if (!strncmp(opt,"memsize=",8))
-                       memsize = simple_strtoul(opt+8,NULL,0);
-               else if (!strncmp(opt,"memdiff=",8))
-                       memdiff = simple_strtoul(opt+8,NULL,0);
-               else if (!strncmp(opt,"nativex=",8))
-                       nativex = simple_strtoul(opt+8,NULL,0);
+               else if (!strncmp(opt, "memsize=", 8))
+                       memsize = simple_strtoul(opt + 8, NULL, 0);
+               else if (!strncmp(opt, "memdiff=", 8))
+                       memdiff = simple_strtoul(opt + 8, NULL, 0);
+               else if (!strncmp(opt, "nativex=", 8))
+                       nativex = simple_strtoul(opt + 8, NULL, 0);
                else
                        mode = opt;
        }
@@ -1296,18 +1417,6 @@ static void __exit tridentfb_exit(void)
        pci_unregister_driver(&tridentfb_pci_driver);
 }
 
-static struct fb_ops tridentfb_ops = {
-       .owner  = THIS_MODULE,
-       .fb_setcolreg = tridentfb_setcolreg,
-       .fb_pan_display = tridentfb_pan_display,
-       .fb_blank = tridentfb_blank,
-       .fb_check_var = tridentfb_check_var,
-       .fb_set_par = tridentfb_set_par,
-       .fb_fillrect = tridentfb_fillrect,
-       .fb_copyarea= tridentfb_copyarea,
-       .fb_imageblit = cfb_imageblit,
-};
-
 module_init(tridentfb_init);
 module_exit(tridentfb_exit);