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) ACCESS_FBINFO2(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;
97 static inline void matrox_cfb8_pal(u_int32_t* pal) {
100 for (i = 0; i < 16; i++) {
101 pal[i] = i * 0x01010101U;
106 static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area);
107 static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect);
108 static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image);
109 static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect);
110 static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area);
112 void matrox_cfbX_init(WPMINFO2) {
120 mpitch = ACCESS_FBINFO(fbcon).var.xres_virtual;
122 ACCESS_FBINFO(fbops).fb_copyarea = cfb_copyarea;
123 ACCESS_FBINFO(fbops).fb_fillrect = cfb_fillrect;
124 ACCESS_FBINFO(fbops).fb_imageblit = cfb_imageblit;
125 ACCESS_FBINFO(fbops).fb_cursor = NULL;
127 accel = (ACCESS_FBINFO(fbcon).var.accel_flags & FB_ACCELF_TEXT) == FB_ACCELF_TEXT;
129 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
130 case 4: maccess = 0x00000000; /* accelerate as 8bpp video */
131 mpitch = (mpitch >> 1) | 0x8000; /* disable linearization */
132 mopmode = M_OPMODE_4BPP;
133 matrox_cfb4_pal(ACCESS_FBINFO(cmap));
134 if (accel && !(mpitch & 1)) {
135 ACCESS_FBINFO(fbops).fb_copyarea = matroxfb_cfb4_copyarea;
136 ACCESS_FBINFO(fbops).fb_fillrect = matroxfb_cfb4_fillrect;
139 case 8: maccess = 0x00000000;
140 mopmode = M_OPMODE_8BPP;
141 matrox_cfb8_pal(ACCESS_FBINFO(cmap));
143 ACCESS_FBINFO(fbops).fb_copyarea = matroxfb_copyarea;
144 ACCESS_FBINFO(fbops).fb_fillrect = matroxfb_fillrect;
145 ACCESS_FBINFO(fbops).fb_imageblit = matroxfb_imageblit;
148 case 16: if (ACCESS_FBINFO(fbcon).var.green.length == 5)
149 maccess = 0xC0000001;
151 maccess = 0x40000001;
152 mopmode = M_OPMODE_16BPP;
154 ACCESS_FBINFO(fbops).fb_copyarea = matroxfb_copyarea;
155 ACCESS_FBINFO(fbops).fb_fillrect = matroxfb_fillrect;
156 ACCESS_FBINFO(fbops).fb_imageblit = matroxfb_imageblit;
159 case 24: maccess = 0x00000003;
160 mopmode = M_OPMODE_24BPP;
162 ACCESS_FBINFO(fbops).fb_copyarea = matroxfb_copyarea;
163 ACCESS_FBINFO(fbops).fb_fillrect = matroxfb_fillrect;
164 ACCESS_FBINFO(fbops).fb_imageblit = matroxfb_imageblit;
167 case 32: maccess = 0x00000002;
168 mopmode = M_OPMODE_32BPP;
170 ACCESS_FBINFO(fbops).fb_copyarea = matroxfb_copyarea;
171 ACCESS_FBINFO(fbops).fb_fillrect = matroxfb_fillrect;
172 ACCESS_FBINFO(fbops).fb_imageblit = matroxfb_imageblit;
175 default: maccess = 0x00000000;
176 mopmode = 0x00000000;
177 break; /* turn off acceleration!!! */
180 mga_outl(M_PITCH, mpitch);
181 mga_outl(M_YDSTORG, curr_ydstorg(MINFO));
182 if (ACCESS_FBINFO(capable.plnwt))
183 mga_outl(M_PLNWT, -1);
184 if (ACCESS_FBINFO(capable.srcorg)) {
185 mga_outl(M_SRCORG, 0);
186 mga_outl(M_DSTORG, 0);
188 mga_outl(M_OPMODE, mopmode);
189 mga_outl(M_CXBNDRY, 0xFFFF0000);
191 mga_outl(M_YBOT, 0x01FFFFFF);
192 mga_outl(M_MACCESS, maccess);
193 ACCESS_FBINFO(accel.m_dwg_rect) = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO;
194 if (isMilleniumII(MINFO)) ACCESS_FBINFO(accel.m_dwg_rect) |= M_DWG_TRANSC;
195 ACCESS_FBINFO(accel.m_opmode) = mopmode;
198 EXPORT_SYMBOL(matrox_cfbX_init);
200 static void matrox_accel_bmove(WPMINFO int vxres, int sy, int sx, int dy, int dx, int height, int width) {
208 if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
210 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
211 M_DWG_BFCOL | M_DWG_REPLACE);
212 mga_outl(M_AR5, vxres);
214 start = sy*vxres+sx+curr_ydstorg(MINFO);
218 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
220 mga_outl(M_AR5, -vxres);
222 end = (sy+height-1)*vxres+sx+curr_ydstorg(MINFO);
227 mga_outl(M_AR0, end);
228 mga_outl(M_AR3, start);
229 mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
230 mga_ydstlen(dy, height);
236 static void matrox_accel_bmove_lin(WPMINFO int vxres, int sy, int sx, int dy, int dx, int height, int width) {
244 if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
246 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
247 M_DWG_BFCOL | M_DWG_REPLACE);
248 mga_outl(M_AR5, vxres);
250 start = sy*vxres+sx+curr_ydstorg(MINFO);
254 mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
256 mga_outl(M_AR5, -vxres);
258 end = (sy+height-1)*vxres+sx+curr_ydstorg(MINFO);
263 mga_outl(M_AR0, end);
264 mga_outl(M_AR3, start);
265 mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
266 mga_outl(M_YDST, dy*vxres >> 5);
267 mga_outl(M_LEN | M_EXEC, height);
273 static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area) {
274 MINFO_FROM_INFO(info);
276 if ((area->sx | area->dx | area->width) & 1)
277 cfb_copyarea(info, area);
279 matrox_accel_bmove_lin(PMINFO ACCESS_FBINFO(fbcon.var.xres_virtual) >> 1, area->sy, area->sx >> 1, area->dy, area->dx >> 1, area->height, area->width >> 1);
282 static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area) {
283 MINFO_FROM_INFO(info);
285 matrox_accel_bmove(PMINFO ACCESS_FBINFO(fbcon.var.xres_virtual), area->sy, area->sx, area->dy, area->dx, area->height, area->width);
288 static void matroxfb_accel_clear(WPMINFO u_int32_t color, int sy, int sx, int height,
297 mga_outl(M_DWGCTL, ACCESS_FBINFO(accel.m_dwg_rect) | M_DWG_REPLACE);
298 mga_outl(M_FCOL, color);
299 mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
300 mga_ydstlen(sy, height);
306 static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect) {
307 MINFO_FROM_INFO(info);
311 matroxfb_accel_clear(PMINFO ((u_int32_t*)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width);
316 static void matroxfb_cfb4_clear(WPMINFO u_int32_t bgx, int sy, int sx, int height, int width) {
338 mga_outl(M_DWGCTL, ACCESS_FBINFO(accel.m_dwg_rect) | M_DWG_REPLACE2);
339 mga_outl(M_FCOL, bgx);
340 mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
341 mga_outl(M_YDST, sy * ACCESS_FBINFO(fbcon).var.xres_virtual >> 6);
342 mga_outl(M_LEN | M_EXEC, height);
346 u_int32_t step = ACCESS_FBINFO(fbcon).var.xres_virtual >> 1;
347 vaddr_t vbase = ACCESS_FBINFO(video.vbase);
349 unsigned int uaddr = sy * step + sx - 1;
351 u_int8_t bgx2 = bgx & 0xF0;
352 for (loop = height; loop > 0; loop --) {
353 mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0x0F) | bgx2);
358 unsigned int uaddr = sy * step + sx + width;
360 u_int8_t bgx2 = bgx & 0x0F;
361 for (loop = height; loop > 0; loop --) {
362 mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0xF0) | bgx2);
371 static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect) {
372 MINFO_FROM_INFO(info);
376 matroxfb_cfb4_clear(PMINFO ((u_int32_t*)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width);
381 static void matroxfb_1bpp_imageblit(WPMINFO u_int32_t fgx, u_int32_t bgx,
382 const u_int8_t* chardata, int width, int height, int yy, int xx) {
393 DBG_HEAVY(__FUNCTION__);
395 step = (width + 7) >> 3;
396 charcell = height * step;
397 xlen = (charcell + 3) & ~3;
398 ydstlen = (yy << 16) | height;
399 if (width == step << 3) {
400 ar0 = height * width - 1;
411 mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE);
413 mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_REPLACE);
414 mga_outl(M_FCOL, fgx);
415 mga_outl(M_BCOL, bgx);
416 fxbndry = ((xx + width - 1) << 16) | xx;
417 mmio = ACCESS_FBINFO(mmio.vbase);
420 mga_writel(mmio, M_FXBNDRY, fxbndry);
421 mga_writel(mmio, M_AR0, ar0);
422 mga_writel(mmio, M_AR3, 0);
424 mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen);
425 mga_memcpy_toio(mmio, chardata, xlen);
427 mga_writel(mmio, M_AR5, 0);
428 mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen);
429 if ((step & 3) == 0) {
430 /* Great. Source has 32bit aligned lines, so we can feed them
431 directly to the accelerator. */
432 mga_memcpy_toio(mmio, chardata, charcell);
433 } else if (step == 1) {
434 /* Special case for 1..8bit widths */
436 #if defined(__BIG_ENDIAN)
437 fb_writel((*chardata) << 24, mmio.vaddr);
439 fb_writel(*chardata, mmio.vaddr);
443 } else if (step == 2) {
444 /* Special case for 9..15bit widths */
446 #if defined(__BIG_ENDIAN)
447 fb_writel((*(u_int16_t*)chardata) << 16, mmio.vaddr);
449 fb_writel(*(u_int16_t*)chardata, mmio.vaddr);
454 /* Tell... well, why bother... */
458 for (i = 0; i < step; i += 4) {
459 /* Hope that there are at least three readable bytes beyond the end of bitmap */
460 fb_writel(get_unaligned((u_int32_t*)(chardata + i)),mmio.vaddr);
471 static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image) {
472 MINFO_FROM_INFO(info);
474 DBG_HEAVY(__FUNCTION__);
476 if (image->depth == 1) {
479 fgx = ((u_int32_t*)info->pseudo_palette)[image->fg_color];
480 bgx = ((u_int32_t*)info->pseudo_palette)[image->bg_color];
481 matroxfb_1bpp_imageblit(PMINFO fgx, bgx, image->data, image->width, image->height, image->dy, image->dx);
483 /* Danger! image->depth is useless: logo painting code always
484 passes framebuffer color depth here, although logo data are
485 always 8bpp and info->pseudo_palette is changed to contain
486 logo palette to be used (but only for true/direct-color... sic...).
487 So do it completely in software... */
488 cfb_imageblit(info, image);
492 MODULE_LICENSE("GPL");