diff options
Diffstat (limited to 'drivers/video/fbdev/matrox/matroxfb_accel.c')
| -rw-r--r-- | drivers/video/fbdev/matrox/matroxfb_accel.c | 519 |
1 files changed, 519 insertions, 0 deletions
diff --git a/drivers/video/fbdev/matrox/matroxfb_accel.c b/drivers/video/fbdev/matrox/matroxfb_accel.c new file mode 100644 index 0000000..0d5cb85 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_accel.c @@ -0,0 +1,519 @@ +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Version: 1.65 2002/08/14 + * + * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> + * + * Contributors: "menion?" <menion@mindless.com> + * Betatesting, fixes, ideas + * + * "Kurt Garloff" <garloff@suse.de> + * Betatesting, fixes, ideas, videomodes, videomodes timmings + * + * "Tom Rini" <trini@kernel.crashing.org> + * MTRR stuff, PPC cleanups, betatesting, fixes, ideas + * + * "Bibek Sahu" <scorpio@dodds.net> + * Access device through readb|w|l and write b|w|l + * Extensive debugging stuff + * + * "Daniel Haun" <haund@usa.net> + * Testing, hardware cursor fixes + * + * "Scott Wood" <sawst46+@pitt.edu> + * Fixes + * + * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> + * Betatesting + * + * "Kelly French" <targon@hazmat.com> + * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> + * Betatesting, bug reporting + * + * "Pablo Bianucci" <pbian@pccp.com.ar> + * Fixes, ideas, betatesting + * + * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> + * Fixes, enhandcements, ideas, betatesting + * + * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> + * PPC betatesting, PPC support, backward compatibility + * + * "Paul Womar" <Paul@pwomar.demon.co.uk> + * "Owen Waller" <O.Waller@ee.qub.ac.uk> + * PPC betatesting + * + * "Thomas Pornin" <pornin@bolet.ens.fr> + * Alpha betatesting + * + * "Pieter van Leuven" <pvl@iae.nl> + * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> + * G100 testing + * + * "H. Peter Arvin" <hpa@transmeta.com> + * Ideas + * + * "Cort Dougan" <cort@cs.nmt.edu> + * CHRP fixes and PReP cleanup + * + * "Mark Vojkovich" <mvojkovi@ucsd.edu> + * G400 support + * + * (following author is not in any relation with this code, but his code + * is included in this driver) + * + * Based on framebuffer driver for VBE 2.0 compliant graphic boards + * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> + * + * (following author is not in any relation with this code, but his ideas + * were used when writing this driver) + * + * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> + * + */ + +#include "matroxfb_accel.h" +#include "matroxfb_DAC1064.h" +#include "matroxfb_Ti3026.h" +#include "matroxfb_misc.h" + +#define curr_ydstorg(x) ((x)->curr.ydstorg.pixels) + +#define mga_ydstlen(y,l) mga_outl(M_YDSTLEN | M_EXEC, ((y) << 16) | (l)) + +static inline void matrox_cfb4_pal(u_int32_t* pal) { + unsigned int i; + + for (i = 0; i < 16; i++) { + pal[i] = i * 0x11111111U; + } +} + +static inline void matrox_cfb8_pal(u_int32_t* pal) { + unsigned int i; + + for (i = 0; i < 16; i++) { + pal[i] = i * 0x01010101U; + } +} + +static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area); +static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect); +static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image); +static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect); +static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area); + +void matrox_cfbX_init(struct matrox_fb_info *minfo) +{ + u_int32_t maccess; + u_int32_t mpitch; + u_int32_t mopmode; + int accel; + + DBG(__func__) + + mpitch = minfo->fbcon.var.xres_virtual; + + minfo->fbops.fb_copyarea = cfb_copyarea; + minfo->fbops.fb_fillrect = cfb_fillrect; + minfo->fbops.fb_imageblit = cfb_imageblit; + minfo->fbops.fb_cursor = NULL; + + accel = (minfo->fbcon.var.accel_flags & FB_ACCELF_TEXT) == FB_ACCELF_TEXT; + + switch (minfo->fbcon.var.bits_per_pixel) { + case 4: maccess = 0x00000000; /* accelerate as 8bpp video */ + mpitch = (mpitch >> 1) | 0x8000; /* disable linearization */ + mopmode = M_OPMODE_4BPP; + matrox_cfb4_pal(minfo->cmap); + if (accel && !(mpitch & 1)) { + minfo->fbops.fb_copyarea = matroxfb_cfb4_copyarea; + minfo->fbops.fb_fillrect = matroxfb_cfb4_fillrect; + } + break; + case 8: maccess = 0x00000000; + mopmode = M_OPMODE_8BPP; + matrox_cfb8_pal(minfo->cmap); + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + case 16: if (minfo->fbcon.var.green.length == 5) + maccess = 0xC0000001; + else + maccess = 0x40000001; + mopmode = M_OPMODE_16BPP; + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + case 24: maccess = 0x00000003; + mopmode = M_OPMODE_24BPP; + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + case 32: maccess = 0x00000002; + mopmode = M_OPMODE_32BPP; + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + default: maccess = 0x00000000; + mopmode = 0x00000000; + break; /* turn off acceleration!!! */ + } + mga_fifo(8); + mga_outl(M_PITCH, mpitch); + mga_outl(M_YDSTORG, curr_ydstorg(minfo)); + if (minfo->capable.plnwt) + mga_outl(M_PLNWT, -1); + if (minfo->capable.srcorg) { + mga_outl(M_SRCORG, 0); + mga_outl(M_DSTORG, 0); + } + mga_outl(M_OPMODE, mopmode); + mga_outl(M_CXBNDRY, 0xFFFF0000); + mga_outl(M_YTOP, 0); + mga_outl(M_YBOT, 0x01FFFFFF); + mga_outl(M_MACCESS, maccess); + minfo->accel.m_dwg_rect = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO; + if (isMilleniumII(minfo)) minfo->accel.m_dwg_rect |= M_DWG_TRANSC; + minfo->accel.m_opmode = mopmode; + minfo->accel.m_access = maccess; + minfo->accel.m_pitch = mpitch; +} + +EXPORT_SYMBOL(matrox_cfbX_init); + +static void matrox_accel_restore_maccess(struct matrox_fb_info *minfo) +{ + mga_outl(M_MACCESS, minfo->accel.m_access); + mga_outl(M_PITCH, minfo->accel.m_pitch); +} + +static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy, + int sx, int dy, int dx, int height, int width) +{ + int start, end; + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + if ((dy < sy) || ((dy == sy) && (dx <= sx))) { + mga_fifo(4); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO | + M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_AR5, vxres); + width--; + start = sy*vxres+sx+curr_ydstorg(minfo); + end = start+width; + } else { + mga_fifo(5); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_SGN, 5); + mga_outl(M_AR5, -vxres); + width--; + end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo); + start = end+width; + dy += height-1; + } + mga_fifo(6); + matrox_accel_restore_maccess(minfo); + mga_outl(M_AR0, end); + mga_outl(M_AR3, start); + mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx); + mga_ydstlen(dy, height); + WaitTillIdle(); + + CRITEND +} + +static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres, + int sy, int sx, int dy, int dx, int height, + int width) +{ + int start, end; + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + if ((dy < sy) || ((dy == sy) && (dx <= sx))) { + mga_fifo(4); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO | + M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_AR5, vxres); + width--; + start = sy*vxres+sx+curr_ydstorg(minfo); + end = start+width; + } else { + mga_fifo(5); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_SGN, 5); + mga_outl(M_AR5, -vxres); + width--; + end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo); + start = end+width; + dy += height-1; + } + mga_fifo(7); + matrox_accel_restore_maccess(minfo); + mga_outl(M_AR0, end); + mga_outl(M_AR3, start); + mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx); + mga_outl(M_YDST, dy*vxres >> 5); + mga_outl(M_LEN | M_EXEC, height); + WaitTillIdle(); + + CRITEND +} + +static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area) { + struct matrox_fb_info *minfo = info2minfo(info); + + if ((area->sx | area->dx | area->width) & 1) + cfb_copyarea(info, area); + else + matrox_accel_bmove_lin(minfo, minfo->fbcon.var.xres_virtual >> 1, area->sy, area->sx >> 1, area->dy, area->dx >> 1, area->height, area->width >> 1); +} + +static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area) { + struct matrox_fb_info *minfo = info2minfo(info); + + matrox_accel_bmove(minfo, minfo->fbcon.var.xres_virtual, area->sy, area->sx, area->dy, area->dx, area->height, area->width); +} + +static void matroxfb_accel_clear(struct matrox_fb_info *minfo, u_int32_t color, + int sy, int sx, int height, int width) +{ + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + mga_fifo(7); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE); + mga_outl(M_FCOL, color); + mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx); + mga_ydstlen(sy, height); + WaitTillIdle(); + + CRITEND +} + +static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect) { + struct matrox_fb_info *minfo = info2minfo(info); + + switch (rect->rop) { + case ROP_COPY: + matroxfb_accel_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width); + break; + } +} + +static void matroxfb_cfb4_clear(struct matrox_fb_info *minfo, u_int32_t bgx, + int sy, int sx, int height, int width) +{ + int whattodo; + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + whattodo = 0; + if (sx & 1) { + sx ++; + if (!width) return; + width --; + whattodo = 1; + } + if (width & 1) { + whattodo |= 2; + } + width >>= 1; + sx >>= 1; + if (width) { + mga_fifo(7); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE2); + mga_outl(M_FCOL, bgx); + mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx); + mga_outl(M_YDST, sy * minfo->fbcon.var.xres_virtual >> 6); + mga_outl(M_LEN | M_EXEC, height); + WaitTillIdle(); + } + if (whattodo) { + u_int32_t step = minfo->fbcon.var.xres_virtual >> 1; + vaddr_t vbase = minfo->video.vbase; + if (whattodo & 1) { + unsigned int uaddr = sy * step + sx - 1; + u_int32_t loop; + u_int8_t bgx2 = bgx & 0xF0; + for (loop = height; loop > 0; loop --) { + mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0x0F) | bgx2); + uaddr += step; + } + } + if (whattodo & 2) { + unsigned int uaddr = sy * step + sx + width; + u_int32_t loop; + u_int8_t bgx2 = bgx & 0x0F; + for (loop = height; loop > 0; loop --) { + mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0xF0) | bgx2); + uaddr += step; + } + } + } + + CRITEND +} + +static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect) { + struct matrox_fb_info *minfo = info2minfo(info); + + switch (rect->rop) { + case ROP_COPY: + matroxfb_cfb4_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width); + break; + } +} + +static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx, + u_int32_t bgx, const u_int8_t *chardata, + int width, int height, int yy, int xx) +{ + u_int32_t step; + u_int32_t ydstlen; + u_int32_t xlen; + u_int32_t ar0; + u_int32_t charcell; + u_int32_t fxbndry; + vaddr_t mmio; + int easy; + CRITFLAGS + + DBG_HEAVY(__func__); + + step = (width + 7) >> 3; + charcell = height * step; + xlen = (charcell + 3) & ~3; + ydstlen = (yy << 16) | height; + if (width == step << 3) { + ar0 = height * width - 1; + easy = 1; + } else { + ar0 = width - 1; + easy = 0; + } + + CRITBEGIN + + mga_fifo(5); + matrox_accel_restore_maccess(minfo); + if (easy) + mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE); + else + mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_REPLACE); + mga_outl(M_FCOL, fgx); + mga_outl(M_BCOL, bgx); + fxbndry = ((xx + width - 1) << 16) | xx; + mmio = minfo->mmio.vbase; + + mga_fifo(8); + matrox_accel_restore_maccess(minfo); + mga_writel(mmio, M_FXBNDRY, fxbndry); + mga_writel(mmio, M_AR0, ar0); + mga_writel(mmio, M_AR3, 0); + if (easy) { + mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen); + mga_memcpy_toio(mmio, chardata, xlen); + } else { + mga_writel(mmio, M_AR5, 0); + mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen); + if ((step & 3) == 0) { + /* Great. Source has 32bit aligned lines, so we can feed them + directly to the accelerator. */ + mga_memcpy_toio(mmio, chardata, charcell); + } else if (step == 1) { + /* Special case for 1..8bit widths */ + while (height--) { +#if defined(__BIG_ENDIAN) + fb_writel((*chardata) << 24, mmio.vaddr); +#else + fb_writel(*chardata, mmio.vaddr); +#endif + chardata++; + } + } else if (step == 2) { + /* Special case for 9..15bit widths */ + while (height--) { +#if defined(__BIG_ENDIAN) + fb_writel((*(u_int16_t*)chardata) << 16, mmio.vaddr); +#else + fb_writel(*(u_int16_t*)chardata, mmio.vaddr); +#endif + chardata += 2; + } + } else { + /* Tell... well, why bother... */ + while (height--) { + size_t i; + + for (i = 0; i < step; i += 4) { + /* Hope that there are at least three readable bytes beyond the end of bitmap */ + fb_writel(get_unaligned((u_int32_t*)(chardata + i)),mmio.vaddr); + } + chardata += step; + } + } + } + WaitTillIdle(); + CRITEND +} + + +static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image) { + struct matrox_fb_info *minfo = info2minfo(info); + + DBG_HEAVY(__func__); + + if (image->depth == 1) { + u_int32_t fgx, bgx; + + fgx = ((u_int32_t*)info->pseudo_palette)[image->fg_color]; + bgx = ((u_int32_t*)info->pseudo_palette)[image->bg_color]; + matroxfb_1bpp_imageblit(minfo, fgx, bgx, image->data, image->width, image->height, image->dy, image->dx); + } else { + /* Danger! image->depth is useless: logo painting code always + passes framebuffer color depth here, although logo data are + always 8bpp and info->pseudo_palette is changed to contain + logo palette to be used (but only for true/direct-color... sic...). + So do it completely in software... */ + cfb_imageblit(info, image); + } +} + +MODULE_LICENSE("GPL"); |
