tridentfb: make use of functions and constants from the vga.h

Make use of functions and constants from the vga.h header to compact the code
and make it more readable.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 61 insertions, 83 deletions

diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index d6796448c5ac..381e5853df6f 100644
--- a/drivers/video/tridentfb.c
+++ b/drivers/video/tridentfb.c
@@ -22,6 +22,7 @@
 #include <linux/pci.h>
 
 #include <linux/delay.h>
+#include <video/vga.h>
 #include <video/trident.h>
 
 #define VERSION         "0.7.9-NEWAPI"
@@ -149,8 +150,6 @@ static int iscyber(int id)
         }
 }
 
-#define CRT 0x3D0               /* CRTC registers offset for color display */
-
 static inline void t_outb(struct tridentfb_par *p, u8 val, u16 reg)
 {
         fb_writeb(val, p->io_virt + reg);
@@ -525,60 +524,41 @@ static void tridentfb_copyarea(struct fb_info *info,
 
 static inline unsigned char read3X4(struct tridentfb_par *par, int reg)
 {
-        writeb(reg, par->io_virt + CRT + 4);
-        return readb(par->io_virt + CRT + 5);
+        return vga_mm_rcrt(par->io_virt, reg);
 }
 
 static inline void write3X4(struct tridentfb_par *par, int reg,
                             unsigned char val)
 {
-        writeb(reg, par->io_virt + CRT + 4);
-        writeb(val, par->io_virt + CRT + 5);
-}
-
-static inline unsigned char read3C4(struct tridentfb_par *par, int reg)
-{
-        t_outb(par, reg, 0x3C4);
-        return t_inb(par, 0x3C5);
-}
-
-static inline void write3C4(struct tridentfb_par *par, int reg,
-                            unsigned char val)
-{
-        t_outb(par, reg, 0x3C4);
-        t_outb(par, val, 0x3C5);
+        vga_mm_wcrt(par->io_virt, reg, val);
 }
 
-static inline unsigned char read3CE(struct tridentfb_par *par, int reg)
+static inline unsigned char read3CE(struct tridentfb_par *par,
+                                    unsigned char reg)
 {
-        t_outb(par, reg, 0x3CE);
-        return t_inb(par, 0x3CF);
+        return vga_mm_rgfx(par->io_virt, reg);
 }
 
 static inline void writeAttr(struct tridentfb_par *par, int reg,
                              unsigned char val)
 {
-        fb_readb(par->io_virt + CRT + 0x0A);    /* flip-flop to index */
-        t_outb(par, reg, 0x3C0);
-        t_outb(par, val, 0x3C0);
+        fb_readb(par->io_virt + VGA_IS1_RC);    /* flip-flop to index */
+        vga_mm_wattr(par->io_virt, reg, val);
 }
 
 static inline void write3CE(struct tridentfb_par *par, int reg,
                             unsigned char val)
 {
-        t_outb(par, reg, 0x3CE);
-        t_outb(par, val, 0x3CF);
+        vga_mm_wgfx(par->io_virt, reg, val);
 }
 
 static void enable_mmio(void)
 {
         /* Goto New Mode */
-        outb(0x0B, 0x3C4);
-        inb(0x3C5);
+        vga_io_rseq(0x0B);
 
         /* Unprotect registers */
-        outb(NewMode1, 0x3C4);
-        outb(0x80, 0x3C5);
+        vga_io_wseq(NewMode1, 0x80);
 
         /* Enable MMIO */
         outb(PCIReg, 0x3D4);
@@ -588,12 +568,10 @@ static void enable_mmio(void)
 static void disable_mmio(struct tridentfb_par *par)
 {
         /* Goto New Mode */
-        t_outb(par, 0x0B, 0x3C4);
-        t_inb(par, 0x3C5);
+        vga_mm_rseq(par->io_virt, 0x0B);
 
         /* Unprotect registers */
-        t_outb(par, NewMode1, 0x3C4);
-        t_outb(par, 0x80, 0x3C5);
+        vga_mm_wseq(par->io_virt, NewMode1, 0x80);
 
         /* Disable MMIO */
         t_outb(par, PCIReg, 0x3D4);
@@ -602,7 +580,8 @@ static void disable_mmio(struct tridentfb_par *par)
 
 static void crtc_unlock(struct tridentfb_par *par)
 {
-        write3X4(par, CRTVSyncEnd, read3X4(par, CRTVSyncEnd) & 0x7F);
+        write3X4(par, VGA_CRTC_V_SYNC_END,
+                 read3X4(par, VGA_CRTC_V_SYNC_END) & 0x7F);
 }
 
 /*  Return flat panel's maximum x resolution */
@@ -641,7 +620,7 @@ static int __devinit get_nativex(struct tridentfb_par *par)
 /* Set pitch */
 static void set_lwidth(struct tridentfb_par *par, int width)
 {
-        write3X4(par, Offset, width & 0xFF);
+        write3X4(par, VGA_CRTC_OFFSET, width & 0xFF);
         write3X4(par, AddColReg,
                  (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4));
 }
@@ -668,8 +647,8 @@ static void screen_center(struct tridentfb_par *par)
 static void set_screen_start(struct tridentfb_par *par, int base)
 {
         u8 tmp;
-        write3X4(par, StartAddrLow, base & 0xFF);
-        write3X4(par, StartAddrHigh, (base & 0xFF00) >> 8);
+        write3X4(par, VGA_CRTC_START_LO, base & 0xFF);
+        write3X4(par, VGA_CRTC_START_HI, (base & 0xFF00) >> 8);
         tmp = read3X4(par, CRTCModuleTest) & 0xDF;
         write3X4(par, CRTCModuleTest, tmp | ((base & 0x10000) >> 11));
         tmp = read3X4(par, CRTHiOrd) & 0xF8;
@@ -698,8 +677,8 @@ static void set_vclk(struct tridentfb_par *par, unsigned long freq)
                                         break;
                         }
         if (is3Dchip(par->chip_id)) {
-                write3C4(par, ClockHigh, hi);
-                write3C4(par, ClockLow, lo);
+                vga_mm_wseq(par->io_virt, ClockHigh, hi);
+                vga_mm_wseq(par->io_virt, ClockLow, lo);
         } else {
                 outb(lo, 0x43C8);
                 outb(hi, 0x43C9);
@@ -782,7 +761,7 @@ static unsigned int __devinit get_memsize(struct tridentfb_par *par)
                                 break;
                         case 0x0E:              /* XP */
 
-                                tmp2 = read3C4(par, 0xC1);
+                                tmp2 = vga_mm_rseq(par->io_virt, 0xC1);
                                 switch (tmp2) {
                                 case 0x00:
                                         k = 20 * Mb;
@@ -931,7 +910,7 @@ static int tridentfb_set_par(struct fb_info *info)
                  * than requested resolution decide whether
                  * we stretch or center
                  */
-                t_outb(par, 0xEB, 0x3C2);
+                t_outb(par, 0xEB, VGA_MIS_W);
 
                 shadowmode_on(par);
 
@@ -941,26 +920,26 @@ static int tridentfb_set_par(struct fb_info *info)
                         screen_stretch(par);
 
         } else {
-                t_outb(par, 0x2B, 0x3C2);
+                t_outb(par, 0x2B, VGA_MIS_W);
                 write3CE(par, CyberControl, 8);
         }
 
         /* vertical timing values */
-        write3X4(par, CRTVTotal, vtotal & 0xFF);
-        write3X4(par, CRTVDispEnd, vdispend & 0xFF);
-        write3X4(par, CRTVSyncStart, vsyncstart & 0xFF);
-        write3X4(par, CRTVSyncEnd, (vsyncend & 0x0F));
-        write3X4(par, CRTVBlankStart, vblankstart & 0xFF);
-        write3X4(par, CRTVBlankEnd, 0 /* p->vblankend & 0xFF */);
+        write3X4(par, VGA_CRTC_V_TOTAL, vtotal & 0xFF);
+        write3X4(par, VGA_CRTC_V_DISP_END, vdispend & 0xFF);
+        write3X4(par, VGA_CRTC_V_SYNC_START, vsyncstart & 0xFF);
+        write3X4(par, VGA_CRTC_V_SYNC_END, (vsyncend & 0x0F));
+        write3X4(par, VGA_CRTC_V_BLANK_START, vblankstart & 0xFF);
+        write3X4(par, VGA_CRTC_V_BLANK_END, 0 /* p->vblankend & 0xFF */);
 
         /* horizontal timing values */
-        write3X4(par, CRTHTotal, htotal & 0xFF);
-        write3X4(par, CRTHDispEnd, hdispend & 0xFF);
-        write3X4(par, CRTHSyncStart, hsyncstart & 0xFF);
-        write3X4(par, CRTHSyncEnd,
+        write3X4(par, VGA_CRTC_H_TOTAL, htotal & 0xFF);
+        write3X4(par, VGA_CRTC_H_DISP, hdispend & 0xFF);
+        write3X4(par, VGA_CRTC_H_SYNC_START, hsyncstart & 0xFF);
+        write3X4(par, VGA_CRTC_H_SYNC_END,
                  (hsyncend & 0x1F) | ((hblankend & 0x20) << 2));
-        write3X4(par, CRTHBlankStart, hblankstart & 0xFF);
-        write3X4(par, CRTHBlankEnd, 0 /* (p->hblankend & 0x1F) */);
+        write3X4(par, VGA_CRTC_H_BLANK_START, hblankstart & 0xFF);
+        write3X4(par, VGA_CRTC_H_BLANK_END, 0 /* (p->hblankend & 0x1F) */);
 
         /* higher bits of vertical timing values */
         tmp = 0x10;
@@ -972,7 +951,7 @@ static int tridentfb_set_par(struct fb_info *info)
         if (vtotal & 0x200) tmp |= 0x20;
         if (vdispend & 0x200) tmp |= 0x40;
         if (vsyncstart & 0x200) tmp |= 0x80;
-        write3X4(par, CRTOverflow, tmp);
+        write3X4(par, VGA_CRTC_OVERFLOW, tmp);
 
         tmp = read3X4(par, CRTHiOrd) | 0x08;    /* line compare bit 10 */
         if (vtotal & 0x400) tmp |= 0x80;
@@ -989,11 +968,11 @@ static int tridentfb_set_par(struct fb_info *info)
         tmp = 0x40;
         if (vblankstart & 0x200) tmp |= 0x20;
 //FIXME if (info->var.vmode & FB_VMODE_DOUBLE) tmp |= 0x80;  /* double scan for 200 line modes */
-        write3X4(par, CRTMaxScanLine, tmp);
+        write3X4(par, VGA_CRTC_MAX_SCAN, tmp);
 
-        write3X4(par, CRTLineCompare, 0xFF);
-        write3X4(par, CRTPRowScan, 0);
-        write3X4(par, CRTModeControl, 0xC3);
+        write3X4(par, VGA_CRTC_LINE_COMPARE, 0xFF);
+        write3X4(par, VGA_CRTC_PRESET_ROW, 0);
+        write3X4(par, VGA_CRTC_MODE, 0xC3);
 
         write3X4(par, LinearAddReg, 0x20);      /* enable linear addressing */
 
@@ -1041,12 +1020,12 @@ static int tridentfb_set_par(struct fb_info *info)
                 vclk *= 2;
         set_vclk(par, vclk);
 
-        write3C4(par, 0, 3);
-        write3C4(par, 1, 1);            /* set char clock 8 dots wide */
+        vga_mm_wseq(par->io_virt, 0, 3);
+        vga_mm_wseq(par->io_virt, 1, 1); /* set char clock 8 dots wide */
         /* enable 4 maps because needed in chain4 mode */
-        write3C4(par, 2, 0x0F);
-        write3C4(par, 3, 0);
-        write3C4(par, 4, 0x0E); /* memory mode enable bitmaps ?? */
+        vga_mm_wseq(par->io_virt, 2, 0x0F);
+        vga_mm_wseq(par->io_virt, 3, 0);
+        vga_mm_wseq(par->io_virt, 4, 0x0E); /* memory mode enable bitmaps ?? */
 
         /* divide clock by 2 if 32bpp chain4 mode display and CPU path */
         write3CE(par, MiscExtFunc, (bpp == 32) ? 0x1A : 0x12);
@@ -1056,7 +1035,7 @@ static int tridentfb_set_par(struct fb_info *info)
 
         if (par->chip_id == CYBERBLADEXPAi1) {
                 /* This fixes snow-effect in 32 bpp */
-                write3X4(par, CRTHSyncStart, 0x84);
+                write3X4(par, VGA_CRTC_H_SYNC_START, 0x84);
         }
 
         /* graphics mode and support 256 color modes */
@@ -1067,8 +1046,8 @@ static int tridentfb_set_par(struct fb_info *info)
         /* colors */
         for (tmp = 0; tmp < 0x10; tmp++)
                 writeAttr(par, tmp, tmp);
-        fb_readb(par->io_virt + CRT + 0x0A);    /* flip-flop to index */
-        t_outb(par, 0x20, 0x3C0);               /* enable attr */
+        fb_readb(par->io_virt + VGA_IS1_RC);    /* flip-flop to index */
+        t_outb(par, 0x20, VGA_ATT_W);           /* enable attr */
 
         switch (bpp) {
         case 8:
@@ -1086,13 +1065,13 @@ static int tridentfb_set_par(struct fb_info *info)
                 break;
         }
 
-        t_inb(par, 0x3C8);
-        t_inb(par, 0x3C6);
-        t_inb(par, 0x3C6);
-        t_inb(par, 0x3C6);
-        t_inb(par, 0x3C6);
-        t_outb(par, tmp, 0x3C6);
-        t_inb(par, 0x3C8);
+        t_inb(par, VGA_PEL_IW);
+        t_inb(par, VGA_PEL_MSK);
+        t_inb(par, VGA_PEL_MSK);
+        t_inb(par, VGA_PEL_MSK);
+        t_inb(par, VGA_PEL_MSK);
+        t_outb(par, tmp, VGA_PEL_MSK);
+        t_inb(par, VGA_PEL_IW);
 
         if (par->flatpanel)
                 set_number_of_lines(par, info->var.yres);
@@ -1116,12 +1095,12 @@ static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green,
                 return 1;
 
         if (bpp == 8) {
-                t_outb(par, 0xFF, 0x3C6);
-                t_outb(par, regno, 0x3C8);
+                t_outb(par, 0xFF, VGA_PEL_MSK);
+                t_outb(par, regno, VGA_PEL_IW);
 
-                t_outb(par, red >> 10, 0x3C9);
-                t_outb(par, green >> 10, 0x3C9);
-                t_outb(par, blue >> 10, 0x3C9);
+                t_outb(par, red >> 10, VGA_PEL_D);
+                t_outb(par, green >> 10, VGA_PEL_D);
+                t_outb(par, blue >> 10, VGA_PEL_D);
 
         } else if (regno < 16) {
                 if (bpp == 16) {        /* RGB 565 */
@@ -1232,8 +1211,7 @@ static int __devinit trident_pci_probe(struct pci_dev *dev,
         /* If PCI id is 0x9660 then further detect chip type */
 
         if (chip_id == TGUI9660) {
-                outb(RevisionID, 0x3C4);
-                revision = inb(0x3C5);
+                revision = vga_io_rseq(RevisionID);
 
                 switch (revision) {
                 case 0x22: