3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
5 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
7 * Version: 1.65 2002/08/14
9 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
11 * Contributors: "menion?" <menion@mindless.com>
12 * Betatesting, fixes, ideas
14 * "Kurt Garloff" <garloff@suse.de>
15 * Betatesting, fixes, ideas, videomodes, videomodes timmings
17 * "Tom Rini" <trini@kernel.crashing.org>
18 * MTRR stuff, PPC cleanups, betatesting, fixes, ideas
20 * "Bibek Sahu" <scorpio@dodds.net>
21 * Access device through readb|w|l and write b|w|l
22 * Extensive debugging stuff
24 * "Daniel Haun" <haund@usa.net>
25 * Testing, hardware cursor fixes
27 * "Scott Wood" <sawst46+@pitt.edu>
30 * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
33 * "Kelly French" <targon@hazmat.com>
34 * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
35 * Betatesting, bug reporting
37 * "Pablo Bianucci" <pbian@pccp.com.ar>
38 * Fixes, ideas, betatesting
40 * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
41 * Fixes, enhandcements, ideas, betatesting
43 * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
44 * PPC betatesting, PPC support, backward compatibility
46 * "Paul Womar" <Paul@pwomar.demon.co.uk>
47 * "Owen Waller" <O.Waller@ee.qub.ac.uk>
50 * "Thomas Pornin" <pornin@bolet.ens.fr>
53 * "Pieter van Leuven" <pvl@iae.nl>
54 * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
57 * "H. Peter Arvin" <hpa@transmeta.com>
60 * "Cort Dougan" <cort@cs.nmt.edu>
61 * CHRP fixes and PReP cleanup
63 * "Mark Vojkovich" <mvojkovi@ucsd.edu>
66 * (following author is not in any relation with this code, but his code
67 * is included in this driver)
69 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
70 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
72 * (following author is not in any relation with this code, but his ideas
73 * were used when writing this driver)
75 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
79 #include "matroxfb_accel.h"
80 #include "matroxfb_DAC1064.h"
81 #include "matroxfb_Ti3026.h"
82 #include "matroxfb_misc.h"
84 #define curr_ydstorg(x) ((x)->curr.ydstorg.pixels)
86 #define mga_ydstlen(y,l) mga_outl(M_YDSTLEN | M_EXEC, ((y) << 16) | (l))
88 static inline void matrox_cfb4_pal(u_int32_t* pal) {
91 for (i = 0; i < 16; i++) {
92 pal[i] = i * 0x11111111U;
96 static inline void matrox_cfb8_pal(u_int32_t* pal) {
99 for (i = 0; i < 16; i++) {
100 pal[i] = i * 0x01010101U;
104 static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area);
105 static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect);
106 static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image);
107 static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect);
108 static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area);
110 void matrox_cfbX_init(struct matrox_fb_info *minfo)
119 mpitch = minfo->fbcon.var.xres_virtual;
121 minfo->fbops.fb_copyarea = cfb_copyarea;
122 minfo->fbops.fb_fillrect = cfb_fillrect;
123 minfo->fbops.fb_imageblit = cfb_imageblit;
124 minfo->fbops.fb_cursor = NULL;
126 accel = (minfo->fbcon.var.accel_flags & FB_ACCELF_TEXT) == FB_ACCELF_TEXT;
128 switch (minfo->fbcon.var.bits_per_pixel) {
129 case 4: maccess = 0x00000000; /* accelerate as 8bpp video */
130 mpitch = (mpitch >> 1) | 0x8000; /* disable linearization */
131 mopmode = M_OPMODE_4BPP;
132 matrox_cfb4_pal(minfo->cmap);
133 if (accel && !(mpitch & 1)) {
134 minfo->fbops.fb_copyarea = matroxfb_cfb4_copyarea;
135 minfo->fbops.fb_fillrect = matroxfb_cfb4_fillrect;
138 case 8: maccess = 0x00000000;
139 mopmode = M_OPMODE_8BPP;
140 matrox_cfb8_pal(minfo->cmap);
142 minfo->fbops.fb_copyarea = matroxfb_copyarea;
143 minfo->fbops.fb_fillrect = matroxfb_fillrect;
144 minfo->fbops.fb_imageblit = matroxfb_imageblit;
147 case 16: if (minfo->fbcon.var.green.length == 5)
148 maccess = 0xC0000001;
150 maccess = 0x40000001;
151 mopmode = M_OPMODE_16BPP;
153 minfo->fbops.fb_copyarea = matroxfb_copyarea;
154 minfo->fbops.fb_fillrect = matroxfb_fillrect;
155 minfo->fbops.fb_imageblit = matroxfb_imageblit;
158 case 24: maccess = 0x00000003;
159 mopmode = M_OPMODE_24BPP;
161 minfo->fbops.fb_copyarea = matroxfb_copyarea;
162 minfo->fbops.fb_fillrect = matroxfb_fillrect;
163 minfo->fbops.fb_imageblit = matroxfb_imageblit;
166 case 32: maccess = 0x00000002;
167 mopmode = M_OPMODE_32BPP;
169 minfo->fbops.fb_copyarea = matroxfb_copyarea;
170 minfo->fbops.fb_fillrect = matroxfb_fillrect;
171 minfo->fbops.fb_imageblit = matroxfb_imageblit;
174 default: maccess = 0x00000000;
175 mopmode = 0x00000000;
176 break; /* turn off acceleration!!! */
179 mga_outl(M_PITCH, mpitch);
180 mga_outl(M_YDSTORG, curr_ydstorg(minfo));
181 if (minfo->capable.plnwt)
182 mga_outl(M_PLNWT, -1);
183 if (minfo->capable.srcorg) {
184 mga_outl(M_SRCORG, 0);
185 mga_outl(M_DSTORG, 0);
187 mga_outl(M_OPMODE, mopmode);
188 mga_outl(M_CXBNDRY, 0xFFFF0000);
190 mga_outl(M_YBOT, 0x01FFFFFF);
191 mga_outl(M_MACCESS, maccess);
192 minfo->accel.m_dwg_rect = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO;
193 if (isMilleniumII(minfo)) minfo->accel.m_dwg_rect |= M_DWG_TRANSC;
194 minfo->accel.m_opmode = mopmode;
195 minfo->accel.m_access = maccess;
196 minfo->accel.m_pitch = mpitch;
199 EXPORT_SYMBOL(matrox_cfbX_init);
201 static void matrox_accel_restore_maccess(struct matrox_fb_info *minfo)
203 mga_outl(M_MACCESS, minfo->accel.m_access);
204 mga_outl(M_PITCH, minfo->accel.m_pitch);
207 static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy,
208 int sx, int dy, int dx, int height, int width)
217 if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
219 matrox_accel_restore_maccess(minfo);
220 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
221 M_DWG_BFCOL | M_DWG_REPLACE);
222 mga_outl(M_AR5, vxres);
224 start = sy*vxres+sx+curr_ydstorg(minfo);
228 matrox_accel_restore_maccess(minfo);
229 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
231 mga_outl(M_AR5, -vxres);
233 end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo);
238 matrox_accel_restore_maccess(minfo);
239 mga_outl(M_AR0, end);
240 mga_outl(M_AR3, start);
241 mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
242 mga_ydstlen(dy, height);
248 static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres,
249 int sy, int sx, int dy, int dx, int height,
259 if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
261 matrox_accel_restore_maccess(minfo);
262 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
263 M_DWG_BFCOL | M_DWG_REPLACE);
264 mga_outl(M_AR5, vxres);
266 start = sy*vxres+sx+curr_ydstorg(minfo);
270 matrox_accel_restore_maccess(minfo);
271 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
273 mga_outl(M_AR5, -vxres);
275 end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo);
280 matrox_accel_restore_maccess(minfo);
281 mga_outl(M_AR0, end);
282 mga_outl(M_AR3, start);
283 mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
284 mga_outl(M_YDST, dy*vxres >> 5);
285 mga_outl(M_LEN | M_EXEC, height);
291 static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area) {
292 struct matrox_fb_info *minfo = info2minfo(info);
294 if ((area->sx | area->dx | area->width) & 1)
295 cfb_copyarea(info, area);
297 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);
300 static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area) {
301 struct matrox_fb_info *minfo = info2minfo(info);
303 matrox_accel_bmove(minfo, minfo->fbcon.var.xres_virtual, area->sy, area->sx, area->dy, area->dx, area->height, area->width);
306 static void matroxfb_accel_clear(struct matrox_fb_info *minfo, u_int32_t color,
307 int sy, int sx, int height, int width)
316 matrox_accel_restore_maccess(minfo);
317 mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE);
318 mga_outl(M_FCOL, color);
319 mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
320 mga_ydstlen(sy, height);
326 static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect) {
327 struct matrox_fb_info *minfo = info2minfo(info);
331 matroxfb_accel_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width);
336 static void matroxfb_cfb4_clear(struct matrox_fb_info *minfo, u_int32_t bgx,
337 int sy, int sx, int height, int width)
360 matrox_accel_restore_maccess(minfo);
361 mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE2);
362 mga_outl(M_FCOL, bgx);
363 mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
364 mga_outl(M_YDST, sy * minfo->fbcon.var.xres_virtual >> 6);
365 mga_outl(M_LEN | M_EXEC, height);
369 u_int32_t step = minfo->fbcon.var.xres_virtual >> 1;
370 vaddr_t vbase = minfo->video.vbase;
372 unsigned int uaddr = sy * step + sx - 1;
374 u_int8_t bgx2 = bgx & 0xF0;
375 for (loop = height; loop > 0; loop --) {
376 mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0x0F) | bgx2);
381 unsigned int uaddr = sy * step + sx + width;
383 u_int8_t bgx2 = bgx & 0x0F;
384 for (loop = height; loop > 0; loop --) {
385 mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0xF0) | bgx2);
394 static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect) {
395 struct matrox_fb_info *minfo = info2minfo(info);
399 matroxfb_cfb4_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width);
404 static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx,
405 u_int32_t bgx, const u_int8_t *chardata,
406 int width, int height, int yy, int xx)
420 step = (width + 7) >> 3;
421 charcell = height * step;
422 xlen = (charcell + 3) & ~3;
423 ydstlen = (yy << 16) | height;
424 if (width == step << 3) {
425 ar0 = height * width - 1;
435 matrox_accel_restore_maccess(minfo);
437 mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE);
439 mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_REPLACE);
440 mga_outl(M_FCOL, fgx);
441 mga_outl(M_BCOL, bgx);
442 fxbndry = ((xx + width - 1) << 16) | xx;
443 mmio = minfo->mmio.vbase;
446 matrox_accel_restore_maccess(minfo);
447 mga_writel(mmio, M_FXBNDRY, fxbndry);
448 mga_writel(mmio, M_AR0, ar0);
449 mga_writel(mmio, M_AR3, 0);
451 mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen);
452 mga_memcpy_toio(mmio, chardata, xlen);
454 mga_writel(mmio, M_AR5, 0);
455 mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen);
456 if ((step & 3) == 0) {
457 /* Great. Source has 32bit aligned lines, so we can feed them
458 directly to the accelerator. */
459 mga_memcpy_toio(mmio, chardata, charcell);
460 } else if (step == 1) {
461 /* Special case for 1..8bit widths */
463 #if defined(__BIG_ENDIAN)
464 fb_writel((*chardata) << 24, mmio.vaddr);
466 fb_writel(*chardata, mmio.vaddr);
470 } else if (step == 2) {
471 /* Special case for 9..15bit widths */
473 #if defined(__BIG_ENDIAN)
474 fb_writel((*(u_int16_t*)chardata) << 16, mmio.vaddr);
476 fb_writel(*(u_int16_t*)chardata, mmio.vaddr);
481 /* Tell... well, why bother... */
485 for (i = 0; i < step; i += 4) {
486 /* Hope that there are at least three readable bytes beyond the end of bitmap */
487 fb_writel(get_unaligned((u_int32_t*)(chardata + i)),mmio.vaddr);
498 static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image) {
499 struct matrox_fb_info *minfo = info2minfo(info);
503 if (image->depth == 1) {
506 fgx = ((u_int32_t*)info->pseudo_palette)[image->fg_color];
507 bgx = ((u_int32_t*)info->pseudo_palette)[image->bg_color];
508 matroxfb_1bpp_imageblit(minfo, fgx, bgx, image->data, image->width, image->height, image->dy, image->dx);
510 /* Danger! image->depth is useless: logo painting code always
511 passes framebuffer color depth here, although logo data are
512 always 8bpp and info->pseudo_palette is changed to contain
513 logo palette to be used (but only for true/direct-color... sic...).
514 So do it completely in software... */
515 cfb_imageblit(info, image);
519 MODULE_LICENSE("GPL");