diff options
Diffstat (limited to 'drivers/staging/xgifb/XGI_accel.c')
| -rw-r--r-- | drivers/staging/xgifb/XGI_accel.c | 596 |
1 files changed, 596 insertions, 0 deletions
diff --git a/drivers/staging/xgifb/XGI_accel.c b/drivers/staging/xgifb/XGI_accel.c new file mode 100644 index 000000000000..86ec3421942f --- /dev/null +++ b/drivers/staging/xgifb/XGI_accel.c @@ -0,0 +1,596 @@ +/* + * XGI 300/630/730/540/315/550/650/740 frame buffer driver + * for Linux kernels 2.4.x and 2.5.x + * + * 2D acceleration part + * + * Based on the X driver's XGI300_accel.c which is + * Copyright Xavier Ducoin <x.ducoin@lectra.com> + * Copyright 2002 by Thomas Winischhofer, Vienna, Austria + * and XGI310_accel.c which is + * Copyright 2002 by Thomas Winischhofer, Vienna, Austria + * + * Author: Thomas Winischhofer <thomas@winischhofer.net> + * (see http://www.winischhofer.net/ + * for more information and updates) + */ + +//#include <linux/config.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/console.h> +#include <linux/selection.h> +#include <linux/ioport.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/vt_kern.h> +#include <linux/capability.h> +#include <linux/fs.h> +#include <linux/agp_backend.h> + +#include <linux/types.h> +/* +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +#include <linux/XGIfb.h> +#else +#include <video/XGIfb.h> +#endif +*/ +#include <asm/io.h> + +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +#include <video/fbcon.h> +#include <video/fbcon-cfb8.h> +#include <video/fbcon-cfb16.h> +#include <video/fbcon-cfb24.h> +#include <video/fbcon-cfb32.h> +#endif + +#include "osdef.h" +#include "vgatypes.h" +#include "vb_struct.h" +#include "XGIfb.h" +#include "XGI_accel.h" + + +extern struct video_info xgi_video_info; +extern int XGIfb_accel; + +static const int XGIALUConv[] = +{ + 0x00, /* dest = 0; 0, GXclear, 0 */ + 0x88, /* dest &= src; DSa, GXand, 0x1 */ + 0x44, /* dest = src & ~dest; SDna, GXandReverse, 0x2 */ + 0xCC, /* dest = src; S, GXcopy, 0x3 */ + 0x22, /* dest &= ~src; DSna, GXandInverted, 0x4 */ + 0xAA, /* dest = dest; D, GXnoop, 0x5 */ + 0x66, /* dest = ^src; DSx, GXxor, 0x6 */ + 0xEE, /* dest |= src; DSo, GXor, 0x7 */ + 0x11, /* dest = ~src & ~dest; DSon, GXnor, 0x8 */ + 0x99, /* dest ^= ~src ; DSxn, GXequiv, 0x9 */ + 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */ + 0xDD, /* dest = src|~dest ; SDno, GXorReverse, 0xB */ + 0x33, /* dest = ~src; Sn, GXcopyInverted, 0xC */ + 0xBB, /* dest |= ~src; DSno, GXorInverted, 0xD */ + 0x77, /* dest = ~src|~dest; DSan, GXnand, 0xE */ + 0xFF, /* dest = 0xFF; 1, GXset, 0xF */ +}; +/* same ROP but with Pattern as Source */ +static const int XGIPatALUConv[] = +{ + 0x00, /* dest = 0; 0, GXclear, 0 */ + 0xA0, /* dest &= src; DPa, GXand, 0x1 */ + 0x50, /* dest = src & ~dest; PDna, GXandReverse, 0x2 */ + 0xF0, /* dest = src; P, GXcopy, 0x3 */ + 0x0A, /* dest &= ~src; DPna, GXandInverted, 0x4 */ + 0xAA, /* dest = dest; D, GXnoop, 0x5 */ + 0x5A, /* dest = ^src; DPx, GXxor, 0x6 */ + 0xFA, /* dest |= src; DPo, GXor, 0x7 */ + 0x05, /* dest = ~src & ~dest; DPon, GXnor, 0x8 */ + 0xA5, /* dest ^= ~src ; DPxn, GXequiv, 0x9 */ + 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */ + 0xF5, /* dest = src|~dest ; PDno, GXorReverse, 0xB */ + 0x0F, /* dest = ~src; Pn, GXcopyInverted, 0xC */ + 0xAF, /* dest |= ~src; DPno, GXorInverted, 0xD */ + 0x5F, /* dest = ~src|~dest; DPan, GXnand, 0xE */ + 0xFF, /* dest = 0xFF; 1, GXset, 0xF */ +}; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34) +static const unsigned char myrops[] = { + 3, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 + }; +#endif + +/* 300 series */ +#if 0 +static void +XGI300Sync(void) +{ + XGI300Idle +} +#endif +static void +XGI310Sync(void) +{ + XGI310Idle +} +#if 0 +static void +XGI300SetupForScreenToScreenCopy(int xdir, int ydir, int rop, + unsigned int planemask, int trans_color) +{ + XGI300SetupDSTColorDepth(xgi_video_info.DstColor); + XGI300SetupSRCPitch(xgi_video_info.video_linelength) + XGI300SetupDSTRect(xgi_video_info.video_linelength, 0xFFF) + + if(trans_color != -1) { + XGI300SetupROP(0x0A) + XGI300SetupSRCTrans(trans_color) + XGI300SetupCMDFlag(TRANSPARENT_BITBLT) + } else { + XGI300SetupROP(XGIALUConv[rop]) + } + if(xdir > 0) { + XGI300SetupCMDFlag(X_INC) + } + if(ydir > 0) { + XGI300SetupCMDFlag(Y_INC) + } +} + +static void +XGI300SubsequentScreenToScreenCopy(int src_x, int src_y, int dst_x, int dst_y, + int width, int height) +{ + long srcbase, dstbase; + + srcbase = dstbase = 0; + if (src_y >= 2048) { + srcbase = xgi_video_info.video_linelength * src_y; + src_y = 0; + } + if (dst_y >= 2048) { + dstbase = xgi_video_info.video_linelength * dst_y; + dst_y = 0; + } + + XGI300SetupSRCBase(srcbase); + XGI300SetupDSTBase(dstbase); + + if(!(xgi_video_info.CommandReg & X_INC)) { + src_x += width-1; + dst_x += width-1; + } + if(!(xgi_video_info.CommandReg & Y_INC)) { + src_y += height-1; + dst_y += height-1; + } + XGI300SetupRect(width, height) + XGI300SetupSRCXY(src_x, src_y) + XGI300SetupDSTXY(dst_x, dst_y) + XGI300DoCMD +} + +static void +XGI300SetupForSolidFill(int color, int rop, unsigned int planemask) +{ + XGI300SetupPATFG(color) + XGI300SetupDSTRect(xgi_video_info.video_linelength, 0xFFF) + XGI300SetupDSTColorDepth(xgi_video_info.DstColor); + XGI300SetupROP(XGIPatALUConv[rop]) + XGI300SetupCMDFlag(PATFG) +} + +static void +XGI300SubsequentSolidFillRect(int x, int y, int w, int h) +{ + long dstbase; + + dstbase = 0; + if(y >= 2048) { + dstbase = xgi_video_info.video_linelength * y; + y = 0; + } + XGI300SetupDSTBase(dstbase) + XGI300SetupDSTXY(x,y) + XGI300SetupRect(w,h) + XGI300SetupCMDFlag(X_INC | Y_INC | BITBLT) + XGI300DoCMD +} +#endif +/* 310/325 series ------------------------------------------------ */ + +static void +XGI310SetupForScreenToScreenCopy(int xdir, int ydir, int rop, + unsigned int planemask, int trans_color) +{ + XGI310SetupDSTColorDepth(xgi_video_info.DstColor); + XGI310SetupSRCPitch(xgi_video_info.video_linelength) + XGI310SetupDSTRect(xgi_video_info.video_linelength, 0xFFF) + if (trans_color != -1) { + XGI310SetupROP(0x0A) + XGI310SetupSRCTrans(trans_color) + XGI310SetupCMDFlag(TRANSPARENT_BITBLT) + } else { + XGI310SetupROP(XGIALUConv[rop]) + /* Set command - not needed, both 0 */ + /* XGISetupCMDFlag(BITBLT | SRCVIDEO) */ + } + XGI310SetupCMDFlag(xgi_video_info.XGI310_AccelDepth) + /* TW: The 310/325 series is smart enough to know the direction */ +} + +static void +XGI310SubsequentScreenToScreenCopy(int src_x, int src_y, int dst_x, int dst_y, + int width, int height) +{ + long srcbase, dstbase; + int mymin, mymax; + + srcbase = dstbase = 0; + mymin = min(src_y, dst_y); + mymax = max(src_y, dst_y); + + /* Although the chip knows the direction to use + * if the source and destination areas overlap, + * that logic fails if we fiddle with the bitmap + * addresses. Therefore, we check if the source + * and destination blitting areas overlap and + * adapt the bitmap addresses synchronously + * if the coordinates exceed the valid range. + * The the areas do not overlap, we do our + * normal check. + */ + if((mymax - mymin) < height) { + if((src_y >= 2048) || (dst_y >= 2048)) { + srcbase = xgi_video_info.video_linelength * mymin; + dstbase = xgi_video_info.video_linelength * mymin; + src_y -= mymin; + dst_y -= mymin; + } + } else { + if(src_y >= 2048) { + srcbase = xgi_video_info.video_linelength * src_y; + src_y = 0; + } + if(dst_y >= 2048) { + dstbase = xgi_video_info.video_linelength * dst_y; + dst_y = 0; + } + } + + XGI310SetupSRCBase(srcbase); + XGI310SetupDSTBase(dstbase); + XGI310SetupRect(width, height) + XGI310SetupSRCXY(src_x, src_y) + XGI310SetupDSTXY(dst_x, dst_y) + XGI310DoCMD +} + +static void +XGI310SetupForSolidFill(int color, int rop, unsigned int planemask) +{ + XGI310SetupPATFG(color) + XGI310SetupDSTRect(xgi_video_info.video_linelength, 0xFFF) + XGI310SetupDSTColorDepth(xgi_video_info.DstColor); + XGI310SetupROP(XGIPatALUConv[rop]) + XGI310SetupCMDFlag(PATFG | xgi_video_info.XGI310_AccelDepth) +} + +static void +XGI310SubsequentSolidFillRect(int x, int y, int w, int h) +{ + long dstbase; + + dstbase = 0; + if(y >= 2048) { + dstbase = xgi_video_info.video_linelength * y; + y = 0; + } + XGI310SetupDSTBase(dstbase) + XGI310SetupDSTXY(x,y) + XGI310SetupRect(w,h) + XGI310SetupCMDFlag(BITBLT) + XGI310DoCMD +} + +/* --------------------------------------------------------------------- */ + +/* The exported routines */ + +int XGIfb_initaccel(void) +{ +#ifdef XGIFB_USE_SPINLOCKS + spin_lock_init(&xgi_video_info.lockaccel); +#endif + return(0); +} + +void XGIfb_syncaccel(void) +{ + + XGI310Sync(); + +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34) /* --- KERNEL 2.5.34 and later --- */ + +int fbcon_XGI_sync(struct fb_info *info) +{ + if(!XGIfb_accel) return 0; + CRITFLAGS + + XGI310Sync(); + + CRITEND + return 0; +} + +void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect) +{ + int col=0; + CRITFLAGS + + + if(!rect->width || !rect->height) + return; + + if(!XGIfb_accel) { + cfb_fillrect(info, rect); + return; + } + + switch(info->var.bits_per_pixel) { + case 8: col = rect->color; + break; + case 16: col = ((u32 *)(info->pseudo_palette))[rect->color]; + break; + case 32: col = ((u32 *)(info->pseudo_palette))[rect->color]; + break; + } + + + CRITBEGIN + XGI310SetupForSolidFill(col, myrops[rect->rop], 0); + XGI310SubsequentSolidFillRect(rect->dx, rect->dy, rect->width, rect->height); + CRITEND + XGI310Sync(); + + +} + +void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area) +{ + int xdir, ydir; + CRITFLAGS + + + if(!XGIfb_accel) { + cfb_copyarea(info, area); + return; + } + + if(!area->width || !area->height) + return; + + if(area->sx < area->dx) xdir = 0; + else xdir = 1; + if(area->sy < area->dy) ydir = 0; + else ydir = 1; + + CRITBEGIN + XGI310SetupForScreenToScreenCopy(xdir, ydir, 3, 0, -1); + XGI310SubsequentScreenToScreenCopy(area->sx, area->sy, area->dx, area->dy, area->width, area->height); + CRITEND + XGI310Sync(); + +} + +#endif + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33) /* ------ KERNEL <2.5.34 ------ */ + +void fbcon_XGI_bmove(struct display *p, int srcy, int srcx, + int dsty, int dstx, int height, int width) +{ + int xdir, ydir; + CRITFLAGS + + if(!xgi_video_info.accel) { + switch(xgi_video_info.video_bpp) { + case 8: +#ifdef FBCON_HAS_CFB8 + fbcon_cfb8_bmove(p, srcy, srcx, dsty, dstx, height, width); +#endif + break; + case 16: +#ifdef FBCON_HAS_CFB16 + fbcon_cfb16_bmove(p, srcy, srcx, dsty, dstx, height, width); +#endif + break; + case 32: +#ifdef FBCON_HAS_CFB32 + fbcon_cfb32_bmove(p, srcy, srcx, dsty, dstx, height, width); +#endif + break; + } + return; + } + + srcx *= fontwidth(p); + srcy *= fontheight(p); + dstx *= fontwidth(p); + dsty *= fontheight(p); + width *= fontwidth(p); + height *= fontheight(p); + + if(srcx < dstx) xdir = 0; + else xdir = 1; + if(srcy < dsty) ydir = 0; + else ydir = 1; + + + CRITBEGIN + XGI310SetupForScreenToScreenCopy(xdir, ydir, 3, 0, -1); + XGI310SubsequentScreenToScreenCopy(srcx, srcy, dstx, dsty, width, height); + CRITEND + XGI310Sync(); +#if 0 + printk(KERN_INFO "XGI_bmove sx %d sy %d dx %d dy %d w %d h %d\n", + srcx, srcy, dstx, dsty, width, height); +#endif + +} + + +static void fbcon_XGI_clear(struct vc_data *conp, struct display *p, + int srcy, int srcx, int height, int width, int color) +{ + CRITFLAGS + + srcx *= fontwidth(p); + srcy *= fontheight(p); + width *= fontwidth(p); + height *= fontheight(p); + + + CRITBEGIN + XGI310SetupForSolidFill(color, 3, 0); + XGI310SubsequentSolidFillRect(srcx, srcy, width, height); + CRITEND + XGI310Sync(); + +} + +void fbcon_XGI_clear8(struct vc_data *conp, struct display *p, + int srcy, int srcx, int height, int width) +{ + u32 bgx; + + if(!xgi_video_info.accel) { +#ifdef FBCON_HAS_CFB8 + fbcon_cfb8_clear(conp, p, srcy, srcx, height, width); +#endif + return; + } + + bgx = attr_bgcol_ec(p, conp); + fbcon_XGI_clear(conp, p, srcy, srcx, height, width, bgx); +} + +void fbcon_XGI_clear16(struct vc_data *conp, struct display *p, + int srcy, int srcx, int height, int width) +{ + u32 bgx; + if(!xgi_video_info.accel) { +#ifdef FBCON_HAS_CFB16 + fbcon_cfb16_clear(conp, p, srcy, srcx, height, width); +#endif + return; + } + + bgx = ((u_int16_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)]; + fbcon_XGI_clear(conp, p, srcy, srcx, height, width, bgx); +} + +void fbcon_XGI_clear32(struct vc_data *conp, struct display *p, + int srcy, int srcx, int height, int width) +{ + u32 bgx; + + if(!xgi_video_info.accel) { +#ifdef FBCON_HAS_CFB32 + fbcon_cfb32_clear(conp, p, srcy, srcx, height, width); +#endif + return; + } + + bgx = ((u_int32_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)]; + fbcon_XGI_clear(conp, p, srcy, srcx, height, width, bgx); +} + +void fbcon_XGI_revc(struct display *p, int srcx, int srcy) +{ + CRITFLAGS + + if(!xgi_video_info.accel) { + switch(xgi_video_info.video_bpp) { + case 16: +#ifdef FBCON_HAS_CFB16 + fbcon_cfb16_revc(p, srcx, srcy); +#endif + break; + case 32: +#ifdef FBCON_HAS_CFB32 + fbcon_cfb32_revc(p, srcx, srcy); +#endif + break; + } + return; + } + + srcx *= fontwidth(p); + srcy *= fontheight(p); + + + CRITBEGIN + XGI310SetupForSolidFill(0, 0x0a, 0); + XGI310SubsequentSolidFillRect(srcx, srcy, fontwidth(p), fontheight(p)); + CRITEND + XGI310Sync(); + +} + +#ifdef FBCON_HAS_CFB8 +struct display_switch fbcon_XGI8 = { + setup: fbcon_cfb8_setup, + bmove: fbcon_XGI_bmove, + clear: fbcon_XGI_clear8, + putc: fbcon_cfb8_putc, + putcs: fbcon_cfb8_putcs, + revc: fbcon_cfb8_revc, + clear_margins: fbcon_cfb8_clear_margins, + fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) +}; +#endif +#ifdef FBCON_HAS_CFB16 +struct display_switch fbcon_XGI16 = { + setup: fbcon_cfb16_setup, + bmove: fbcon_XGI_bmove, + clear: fbcon_XGI_clear16, + putc: fbcon_cfb16_putc, + putcs: fbcon_cfb16_putcs, + revc: fbcon_XGI_revc, + clear_margins: fbcon_cfb16_clear_margins, + fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) +}; +#endif +#ifdef FBCON_HAS_CFB32 +struct display_switch fbcon_XGI32 = { + setup: fbcon_cfb32_setup, + bmove: fbcon_XGI_bmove, + clear: fbcon_XGI_clear32, + putc: fbcon_cfb32_putc, + putcs: fbcon_cfb32_putcs, + revc: fbcon_XGI_revc, + clear_margins: fbcon_cfb32_clear_margins, + fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) +}; +#endif + +#endif /* KERNEL VERSION */ + + |