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提交 10172ed6 编写于 作者: K Krzysztof Helt 提交者： Linus Torvalds
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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: NKrzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 d9cad04b
隐藏空白更改
内联 并排
Showing with 61 addition and 109 deletion
drivers/video/tridentfb.c
浏览文件 @ 10172ed6
...@@ -22,6 +22,7 @@ ...@@ -22,6 +22,7 @@
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <video/vga.h>
#include <video/trident.h> #include <video/trident.h>
#define VERSION "0.7.9-NEWAPI" #define VERSION "0.7.9-NEWAPI"
...@@ -149,8 +150,6 @@ static int iscyber(int id) ...@@ -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) static inline void t_outb(struct tridentfb_par *p, u8 val, u16 reg)
{ {
fb_writeb(val, p->io_virt + reg); fb_writeb(val, p->io_virt + reg);
...@@ -525,60 +524,41 @@ static void tridentfb_copyarea(struct fb_info *info, ...@@ -525,60 +524,41 @@ static void tridentfb_copyarea(struct fb_info *info,
static inline unsigned char read3X4(struct tridentfb_par *par, int reg) static inline unsigned char read3X4(struct tridentfb_par *par, int reg)
{ {
writeb(reg, par->io_virt + CRT + 4); return vga_mm_rcrt(par->io_virt, reg);
return readb(par->io_virt + CRT + 5);
} }
static inline void write3X4(struct tridentfb_par *par, int reg, static inline void write3X4(struct tridentfb_par *par, int reg,
unsigned char val) unsigned char val)
{ {
writeb(reg, par->io_virt + CRT + 4); vga_mm_wcrt(par->io_virt, reg, val);
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);
} }
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 vga_mm_rgfx(par->io_virt, reg);
return t_inb(par, 0x3CF);
} }
static inline void writeAttr(struct tridentfb_par *par, int reg, static inline void writeAttr(struct tridentfb_par *par, int reg,
unsigned char val) unsigned char val)
{ {
fb_readb(par->io_virt + CRT + 0x0A); /* flip-flop to index */ fb_readb(par->io_virt + VGA_IS1_RC); /* flip-flop to index */
t_outb(par, reg, 0x3C0); vga_mm_wattr(par->io_virt, reg, val);
t_outb(par, val, 0x3C0);
} }
static inline void write3CE(struct tridentfb_par *par, int reg, static inline void write3CE(struct tridentfb_par *par, int reg,
unsigned char val) unsigned char val)
{ {
t_outb(par, reg, 0x3CE); vga_mm_wgfx(par->io_virt, reg, val);
t_outb(par, val, 0x3CF);
} }
static void enable_mmio(void) static void enable_mmio(void)
{ {
/* Goto New Mode */ /* Goto New Mode */
outb(0x0B, 0x3C4); vga_io_rseq(0x0B);
inb(0x3C5);
/* Unprotect registers */ /* Unprotect registers */
outb(NewMode1, 0x3C4); vga_io_wseq(NewMode1, 0x80);
outb(0x80, 0x3C5);
/* Enable MMIO */ /* Enable MMIO */
outb(PCIReg, 0x3D4); outb(PCIReg, 0x3D4);
...@@ -588,12 +568,10 @@ static void enable_mmio(void) ...@@ -588,12 +568,10 @@ static void enable_mmio(void)
static void disable_mmio(struct tridentfb_par *par) static void disable_mmio(struct tridentfb_par *par)
{ {
/* Goto New Mode */ /* Goto New Mode */
t_outb(par, 0x0B, 0x3C4); vga_mm_rseq(par->io_virt, 0x0B);
t_inb(par, 0x3C5);
/* Unprotect registers */ /* Unprotect registers */
t_outb(par, NewMode1, 0x3C4); vga_mm_wseq(par->io_virt, NewMode1, 0x80);
t_outb(par, 0x80, 0x3C5);
/* Disable MMIO */ /* Disable MMIO */
t_outb(par, PCIReg, 0x3D4); t_outb(par, PCIReg, 0x3D4);
...@@ -602,7 +580,8 @@ static void disable_mmio(struct tridentfb_par *par) ...@@ -602,7 +580,8 @@ static void disable_mmio(struct tridentfb_par *par)
static void crtc_unlock(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 */ /* Return flat panel's maximum x resolution */
...@@ -641,7 +620,7 @@ static int __devinit get_nativex(struct tridentfb_par *par) ...@@ -641,7 +620,7 @@ static int __devinit get_nativex(struct tridentfb_par *par)
/* Set pitch */ /* Set pitch */
static void set_lwidth(struct tridentfb_par *par, int width) 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, write3X4(par, AddColReg,
(read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4)); (read3X4(par, AddColReg) & 0xCF) | ((width & 0x300) >> 4));
} }
...@@ -668,8 +647,8 @@ static void screen_center(struct tridentfb_par *par) ...@@ -668,8 +647,8 @@ static void screen_center(struct tridentfb_par *par)
static void set_screen_start(struct tridentfb_par *par, int base) static void set_screen_start(struct tridentfb_par *par, int base)
{ {
u8 tmp; u8 tmp;
write3X4(par, StartAddrLow, base & 0xFF); write3X4(par, VGA_CRTC_START_LO, base & 0xFF);
write3X4(par, StartAddrHigh, (base & 0xFF00) >> 8); write3X4(par, VGA_CRTC_START_HI, (base & 0xFF00) >> 8);
tmp = read3X4(par, CRTCModuleTest) & 0xDF; tmp = read3X4(par, CRTCModuleTest) & 0xDF;
write3X4(par, CRTCModuleTest, tmp | ((base & 0x10000) >> 11)); write3X4(par, CRTCModuleTest, tmp | ((base & 0x10000) >> 11));
tmp = read3X4(par, CRTHiOrd) & 0xF8; tmp = read3X4(par, CRTHiOrd) & 0xF8;
...@@ -698,8 +677,8 @@ static void set_vclk(struct tridentfb_par *par, unsigned long freq) ...@@ -698,8 +677,8 @@ static void set_vclk(struct tridentfb_par *par, unsigned long freq)
break; break;
} }
if (is3Dchip(par->chip_id)) { if (is3Dchip(par->chip_id)) {
write3C4(par, ClockHigh, hi); vga_mm_wseq(par->io_virt, ClockHigh, hi);
write3C4(par, ClockLow, lo); vga_mm_wseq(par->io_virt, ClockLow, lo);
} else { } else {
outb(lo, 0x43C8); outb(lo, 0x43C8);
outb(hi, 0x43C9); outb(hi, 0x43C9);
...@@ -782,7 +761,7 @@ static unsigned int __devinit get_memsize(struct tridentfb_par *par) ...@@ -782,7 +761,7 @@ static unsigned int __devinit get_memsize(struct tridentfb_par *par)
break; break;
case 0x0E: /* XP */ case 0x0E: /* XP */
tmp2 = read3C4(par, 0xC1); tmp2 = vga_mm_rseq(par->io_virt, 0xC1);
switch (tmp2) { switch (tmp2) {
case 0x00: case 0x00:
k = 20 * Mb; k = 20 * Mb;
...@@ -931,7 +910,7 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -931,7 +910,7 @@ static int tridentfb_set_par(struct fb_info *info)
* than requested resolution decide whether * than requested resolution decide whether
* we stretch or center * we stretch or center
*/ */
t_outb(par, 0xEB, 0x3C2); t_outb(par, 0xEB, VGA_MIS_W);
shadowmode_on(par); shadowmode_on(par);
...@@ -941,26 +920,26 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -941,26 +920,26 @@ static int tridentfb_set_par(struct fb_info *info)
screen_stretch(par); screen_stretch(par);
} else { } else {
t_outb(par, 0x2B, 0x3C2); t_outb(par, 0x2B, VGA_MIS_W);
write3CE(par, CyberControl, 8); write3CE(par, CyberControl, 8);
} }
/* vertical timing values */ /* vertical timing values */
write3X4(par, CRTVTotal, vtotal & 0xFF); write3X4(par, VGA_CRTC_V_TOTAL, vtotal & 0xFF);
write3X4(par, CRTVDispEnd, vdispend & 0xFF); write3X4(par, VGA_CRTC_V_DISP_END, vdispend & 0xFF);
write3X4(par, CRTVSyncStart, vsyncstart & 0xFF); write3X4(par, VGA_CRTC_V_SYNC_START, vsyncstart & 0xFF);
write3X4(par, CRTVSyncEnd, (vsyncend & 0x0F)); write3X4(par, VGA_CRTC_V_SYNC_END, (vsyncend & 0x0F));
write3X4(par, CRTVBlankStart, vblankstart & 0xFF); write3X4(par, VGA_CRTC_V_BLANK_START, vblankstart & 0xFF);
write3X4(par, CRTVBlankEnd, 0 /* p->vblankend & 0xFF */); write3X4(par, VGA_CRTC_V_BLANK_END, 0 /* p->vblankend & 0xFF */);
/* horizontal timing values */ /* horizontal timing values */
write3X4(par, CRTHTotal, htotal & 0xFF); write3X4(par, VGA_CRTC_H_TOTAL, htotal & 0xFF);
write3X4(par, CRTHDispEnd, hdispend & 0xFF); write3X4(par, VGA_CRTC_H_DISP, hdispend & 0xFF);
write3X4(par, CRTHSyncStart, hsyncstart & 0xFF); write3X4(par, VGA_CRTC_H_SYNC_START, hsyncstart & 0xFF);
write3X4(par, CRTHSyncEnd, write3X4(par, VGA_CRTC_H_SYNC_END,
(hsyncend & 0x1F) | ((hblankend & 0x20) << 2)); (hsyncend & 0x1F) | ((hblankend & 0x20) << 2));
write3X4(par, CRTHBlankStart, hblankstart & 0xFF); write3X4(par, VGA_CRTC_H_BLANK_START, hblankstart & 0xFF);
write3X4(par, CRTHBlankEnd, 0 /* (p->hblankend & 0x1F) */); write3X4(par, VGA_CRTC_H_BLANK_END, 0 /* (p->hblankend & 0x1F) */);
/* higher bits of vertical timing values */ /* higher bits of vertical timing values */
tmp = 0x10; tmp = 0x10;
...@@ -972,7 +951,7 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -972,7 +951,7 @@ static int tridentfb_set_par(struct fb_info *info)
if (vtotal & 0x200) tmp |= 0x20; if (vtotal & 0x200) tmp |= 0x20;
if (vdispend & 0x200) tmp |= 0x40; if (vdispend & 0x200) tmp |= 0x40;
if (vsyncstart & 0x200) tmp |= 0x80; if (vsyncstart & 0x200) tmp |= 0x80;
write3X4(par, CRTOverflow, tmp); write3X4(par, VGA_CRTC_OVERFLOW, tmp);
tmp = read3X4(par, CRTHiOrd) | 0x08; /* line compare bit 10 */ tmp = read3X4(par, CRTHiOrd) | 0x08; /* line compare bit 10 */
if (vtotal & 0x400) tmp |= 0x80; if (vtotal & 0x400) tmp |= 0x80;
...@@ -989,11 +968,11 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -989,11 +968,11 @@ static int tridentfb_set_par(struct fb_info *info)
tmp = 0x40; tmp = 0x40;
if (vblankstart & 0x200) tmp |= 0x20; 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(par, CRTMaxScanLine, tmp); write3X4(par, VGA_CRTC_MAX_SCAN, tmp);
write3X4(par, CRTLineCompare, 0xFF); write3X4(par, VGA_CRTC_LINE_COMPARE, 0xFF);
write3X4(par, CRTPRowScan, 0); write3X4(par, VGA_CRTC_PRESET_ROW, 0);
write3X4(par, CRTModeControl, 0xC3); write3X4(par, VGA_CRTC_MODE, 0xC3);
write3X4(par, LinearAddReg, 0x20); /* enable linear addressing */ write3X4(par, LinearAddReg, 0x20); /* enable linear addressing */
...@@ -1041,12 +1020,12 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -1041,12 +1020,12 @@ static int tridentfb_set_par(struct fb_info *info)
vclk *= 2; vclk *= 2;
set_vclk(par, vclk); set_vclk(par, vclk);
write3C4(par, 0, 3); vga_mm_wseq(par->io_virt, 0, 3);
write3C4(par, 1, 1); /* set char clock 8 dots wide */ vga_mm_wseq(par->io_virt, 1, 1); /* set char clock 8 dots wide */
/* enable 4 maps because needed in chain4 mode */ /* enable 4 maps because needed in chain4 mode */
write3C4(par, 2, 0x0F); vga_mm_wseq(par->io_virt, 2, 0x0F);
write3C4(par, 3, 0); vga_mm_wseq(par->io_virt, 3, 0);
write3C4(par, 4, 0x0E); /* memory mode enable bitmaps ?? */ vga_mm_wseq(par->io_virt, 4, 0x0E); /* memory mode enable bitmaps ?? */
/* divide clock by 2 if 32bpp chain4 mode display and CPU path */ /* divide clock by 2 if 32bpp chain4 mode display and CPU path */
write3CE(par, MiscExtFunc, (bpp == 32) ? 0x1A : 0x12); write3CE(par, MiscExtFunc, (bpp == 32) ? 0x1A : 0x12);
...@@ -1056,7 +1035,7 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -1056,7 +1035,7 @@ static int tridentfb_set_par(struct fb_info *info)
if (par->chip_id == CYBERBLADEXPAi1) { if (par->chip_id == CYBERBLADEXPAi1) {
/* This fixes snow-effect in 32 bpp */ /* 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 */ /* graphics mode and support 256 color modes */
...@@ -1067,8 +1046,8 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -1067,8 +1046,8 @@ static int tridentfb_set_par(struct fb_info *info)
/* colors */ /* colors */
for (tmp = 0; tmp < 0x10; tmp++) for (tmp = 0; tmp < 0x10; tmp++)
writeAttr(par, tmp, tmp); writeAttr(par, tmp, tmp);
fb_readb(par->io_virt + CRT + 0x0A); /* flip-flop to index */ fb_readb(par->io_virt + VGA_IS1_RC); /* flip-flop to index */
t_outb(par, 0x20, 0x3C0); /* enable attr */ t_outb(par, 0x20, VGA_ATT_W); /* enable attr */
switch (bpp) { switch (bpp) {
case 8: case 8:
...@@ -1086,13 +1065,13 @@ static int tridentfb_set_par(struct fb_info *info) ...@@ -1086,13 +1065,13 @@ static int tridentfb_set_par(struct fb_info *info)
break; break;
} }
t_inb(par, 0x3C8); t_inb(par, VGA_PEL_IW);
t_inb(par, 0x3C6); t_inb(par, VGA_PEL_MSK);
t_inb(par, 0x3C6); t_inb(par, VGA_PEL_MSK);
t_inb(par, 0x3C6); t_inb(par, VGA_PEL_MSK);
t_inb(par, 0x3C6); t_inb(par, VGA_PEL_MSK);
t_outb(par, tmp, 0x3C6); t_outb(par, tmp, VGA_PEL_MSK);
t_inb(par, 0x3C8); t_inb(par, VGA_PEL_IW);
if (par->flatpanel) if (par->flatpanel)
set_number_of_lines(par, info->var.yres); set_number_of_lines(par, info->var.yres);
...@@ -1116,12 +1095,12 @@ static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green, ...@@ -1116,12 +1095,12 @@ static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green,
return 1; return 1;
if (bpp == 8) { if (bpp == 8) {
t_outb(par, 0xFF, 0x3C6); t_outb(par, 0xFF, VGA_PEL_MSK);
t_outb(par, regno, 0x3C8); t_outb(par, regno, VGA_PEL_IW);
t_outb(par, red >> 10, 0x3C9); t_outb(par, red >> 10, VGA_PEL_D);
t_outb(par, green >> 10, 0x3C9); t_outb(par, green >> 10, VGA_PEL_D);
t_outb(par, blue >> 10, 0x3C9); t_outb(par, blue >> 10, VGA_PEL_D);
} else if (regno < 16) { } else if (regno < 16) {
if (bpp == 16) { /* RGB 565 */ if (bpp == 16) { /* RGB 565 */
...@@ -1232,8 +1211,7 @@ static int __devinit trident_pci_probe(struct pci_dev *dev, ...@@ -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 PCI id is 0x9660 then further detect chip type */
if (chip_id == TGUI9660) { if (chip_id == TGUI9660) {
outb(RevisionID, 0x3C4); revision = vga_io_rseq(RevisionID);
revision = inb(0x3C5);
switch (revision) { switch (revision) {
case 0x22: case 0x22:
......
include/video/trident.h
浏览文件 @ 10172ed6
...@@ -63,33 +63,7 @@ ...@@ -63,33 +63,7 @@
#define SKey 0x37 #define SKey 0x37
#define SPKey 0x57 #define SPKey 0x57
/* 0x3x4 */
#define CRTHTotal 0x00
#define CRTHDispEnd 0x01
#define CRTHBlankStart 0x02
#define CRTHBlankEnd 0x03
#define CRTHSyncStart 0x04
#define CRTHSyncEnd 0x05
#define CRTVTotal 0x06
#define CRTVDispEnd 0x12
#define CRTVBlankStart 0x15
#define CRTVBlankEnd 0x16
#define CRTVSyncStart 0x10
#define CRTVSyncEnd 0x11
#define CRTOverflow 0x07
#define CRTPRowScan 0x08
#define CRTMaxScanLine 0x09
#define CRTModeControl 0x17
#define CRTLineCompare 0x18
/* 3x4 */ /* 3x4 */
#define StartAddrHigh 0x0C
#define StartAddrLow 0x0D
#define Offset 0x13
#define Underline 0x14
#define CRTCMode 0x17
#define CRTCModuleTest 0x1E #define CRTCModuleTest 0x1E
#define FIFOControl 0x20 #define FIFOControl 0x20
#define LinearAddReg 0x21 #define LinearAddReg 0x21
......
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