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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * | |
3 | * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 | |
4 | * | |
5 | * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> | |
6 | * | |
7 | * Portions Copyright (c) 2001 Matrox Graphics Inc. | |
8 | * | |
9 | * Version: 1.65 2002/08/14 | |
10 | * | |
11 | * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> | |
12 | * | |
13 | * Contributors: "menion?" <menion@mindless.com> | |
14 | * Betatesting, fixes, ideas | |
15 | * | |
16 | * "Kurt Garloff" <garloff@suse.de> | |
17 | * Betatesting, fixes, ideas, videomodes, videomodes timmings | |
18 | * | |
19 | * "Tom Rini" <trini@kernel.crashing.org> | |
20 | * MTRR stuff, PPC cleanups, betatesting, fixes, ideas | |
21 | * | |
22 | * "Bibek Sahu" <scorpio@dodds.net> | |
23 | * Access device through readb|w|l and write b|w|l | |
24 | * Extensive debugging stuff | |
25 | * | |
26 | * "Daniel Haun" <haund@usa.net> | |
27 | * Testing, hardware cursor fixes | |
28 | * | |
29 | * "Scott Wood" <sawst46+@pitt.edu> | |
30 | * Fixes | |
31 | * | |
32 | * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> | |
33 | * Betatesting | |
34 | * | |
35 | * "Kelly French" <targon@hazmat.com> | |
36 | * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> | |
37 | * Betatesting, bug reporting | |
38 | * | |
39 | * "Pablo Bianucci" <pbian@pccp.com.ar> | |
40 | * Fixes, ideas, betatesting | |
41 | * | |
42 | * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> | |
43 | * Fixes, enhandcements, ideas, betatesting | |
44 | * | |
45 | * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> | |
46 | * PPC betatesting, PPC support, backward compatibility | |
47 | * | |
48 | * "Paul Womar" <Paul@pwomar.demon.co.uk> | |
49 | * "Owen Waller" <O.Waller@ee.qub.ac.uk> | |
50 | * PPC betatesting | |
51 | * | |
52 | * "Thomas Pornin" <pornin@bolet.ens.fr> | |
53 | * Alpha betatesting | |
54 | * | |
55 | * "Pieter van Leuven" <pvl@iae.nl> | |
56 | * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> | |
57 | * G100 testing | |
58 | * | |
59 | * "H. Peter Arvin" <hpa@transmeta.com> | |
60 | * Ideas | |
61 | * | |
62 | * "Cort Dougan" <cort@cs.nmt.edu> | |
63 | * CHRP fixes and PReP cleanup | |
64 | * | |
65 | * "Mark Vojkovich" <mvojkovi@ucsd.edu> | |
66 | * G400 support | |
67 | * | |
68 | * "Samuel Hocevar" <sam@via.ecp.fr> | |
69 | * Fixes | |
70 | * | |
71 | * "Anton Altaparmakov" <AntonA@bigfoot.com> | |
72 | * G400 MAX/non-MAX distinction | |
73 | * | |
74 | * "Ken Aaker" <kdaaker@rchland.vnet.ibm.com> | |
75 | * memtype extension (needed for GXT130P RS/6000 adapter) | |
76 | * | |
77 | * "Uns Lider" <unslider@miranda.org> | |
78 | * G100 PLNWT fixes | |
79 | * | |
80 | * "Denis Zaitsev" <zzz@cd-club.ru> | |
81 | * Fixes | |
82 | * | |
83 | * "Mike Pieper" <mike@pieper-family.de> | |
84 | * TVOut enhandcements, V4L2 control interface. | |
85 | * | |
86 | * "Diego Biurrun" <diego@biurrun.de> | |
87 | * DFP testing | |
88 | * | |
89 | * (following author is not in any relation with this code, but his code | |
90 | * is included in this driver) | |
91 | * | |
92 | * Based on framebuffer driver for VBE 2.0 compliant graphic boards | |
93 | * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> | |
94 | * | |
95 | * (following author is not in any relation with this code, but his ideas | |
beb7dd86 | 96 | * were used when writing this driver) |
1da177e4 LT |
97 | * |
98 | * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> | |
99 | * | |
100 | */ | |
101 | ||
1da177e4 LT |
102 | #include <linux/version.h> |
103 | ||
a50d913f AM |
104 | #define __OLD_VIDIOC_ |
105 | ||
1da177e4 LT |
106 | #include "matroxfb_base.h" |
107 | #include "matroxfb_misc.h" | |
108 | #include "matroxfb_accel.h" | |
109 | #include "matroxfb_DAC1064.h" | |
110 | #include "matroxfb_Ti3026.h" | |
111 | #include "matroxfb_maven.h" | |
112 | #include "matroxfb_crtc2.h" | |
113 | #include "matroxfb_g450.h" | |
114 | #include <linux/matroxfb.h> | |
115 | #include <linux/interrupt.h> | |
116 | #include <asm/uaccess.h> | |
117 | ||
118 | #ifdef CONFIG_PPC_PMAC | |
e8222502 | 119 | #include <asm/machdep.h> |
1da177e4 LT |
120 | unsigned char nvram_read_byte(int); |
121 | static int default_vmode = VMODE_NVRAM; | |
122 | static int default_cmode = CMODE_NVRAM; | |
123 | #endif | |
124 | ||
125 | static void matroxfb_unregister_device(struct matrox_fb_info* minfo); | |
126 | ||
127 | /* --------------------------------------------------------------------- */ | |
128 | ||
129 | /* | |
130 | * card parameters | |
131 | */ | |
132 | ||
133 | /* --------------------------------------------------------------------- */ | |
134 | ||
135 | static struct fb_var_screeninfo vesafb_defined = { | |
136 | 640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/ | |
137 | 0,0, /* virtual -> visible no offset */ | |
138 | 8, /* depth -> load bits_per_pixel */ | |
139 | 0, /* greyscale ? */ | |
140 | {0,0,0}, /* R */ | |
141 | {0,0,0}, /* G */ | |
142 | {0,0,0}, /* B */ | |
143 | {0,0,0}, /* transparency */ | |
144 | 0, /* standard pixel format */ | |
145 | FB_ACTIVATE_NOW, | |
146 | -1,-1, | |
147 | FB_ACCELF_TEXT, /* accel flags */ | |
148 | 39721L,48L,16L,33L,10L, | |
149 | 96L,2L,~0, /* No sync info */ | |
150 | FB_VMODE_NONINTERLACED, | |
151 | 0, {0,0,0,0,0} | |
152 | }; | |
153 | ||
154 | ||
155 | ||
156 | /* --------------------------------------------------------------------- */ | |
157 | static void update_crtc2(WPMINFO unsigned int pos) { | |
158 | struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info); | |
159 | ||
160 | /* Make sure that displays are compatible */ | |
161 | if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel) | |
a50d913f AM |
162 | && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual) |
163 | && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length) | |
164 | ) { | |
1da177e4 LT |
165 | switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) { |
166 | case 16: | |
167 | case 32: | |
168 | pos = pos * 8; | |
169 | if (info->interlaced) { | |
170 | mga_outl(0x3C2C, pos); | |
171 | mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8); | |
172 | } else { | |
173 | mga_outl(0x3C28, pos); | |
174 | } | |
175 | break; | |
176 | } | |
177 | } | |
178 | } | |
179 | ||
180 | static void matroxfb_crtc1_panpos(WPMINFO2) { | |
181 | if (ACCESS_FBINFO(crtc1.panpos) >= 0) { | |
182 | unsigned long flags; | |
183 | int panpos; | |
184 | ||
185 | matroxfb_DAC_lock_irqsave(flags); | |
186 | panpos = ACCESS_FBINFO(crtc1.panpos); | |
187 | if (panpos >= 0) { | |
188 | unsigned int extvga_reg; | |
189 | ||
190 | ACCESS_FBINFO(crtc1.panpos) = -1; /* No update pending anymore */ | |
191 | extvga_reg = mga_inb(M_EXTVGA_INDEX); | |
192 | mga_setr(M_EXTVGA_INDEX, 0x00, panpos); | |
193 | if (extvga_reg != 0x00) { | |
194 | mga_outb(M_EXTVGA_INDEX, extvga_reg); | |
195 | } | |
196 | } | |
197 | matroxfb_DAC_unlock_irqrestore(flags); | |
198 | } | |
199 | } | |
200 | ||
7d12e780 | 201 | static irqreturn_t matrox_irq(int irq, void *dev_id) |
1da177e4 LT |
202 | { |
203 | u_int32_t status; | |
204 | int handled = 0; | |
205 | ||
206 | MINFO_FROM(dev_id); | |
207 | ||
208 | status = mga_inl(M_STATUS); | |
209 | ||
210 | if (status & 0x20) { | |
211 | mga_outl(M_ICLEAR, 0x20); | |
212 | ACCESS_FBINFO(crtc1.vsync.cnt)++; | |
213 | matroxfb_crtc1_panpos(PMINFO2); | |
214 | wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait)); | |
215 | handled = 1; | |
216 | } | |
217 | if (status & 0x200) { | |
218 | mga_outl(M_ICLEAR, 0x200); | |
219 | ACCESS_FBINFO(crtc2.vsync.cnt)++; | |
220 | wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait)); | |
221 | handled = 1; | |
222 | } | |
223 | return IRQ_RETVAL(handled); | |
224 | } | |
225 | ||
226 | int matroxfb_enable_irq(WPMINFO int reenable) { | |
227 | u_int32_t bm; | |
a50d913f | 228 | |
1da177e4 LT |
229 | if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400) |
230 | bm = 0x220; | |
231 | else | |
232 | bm = 0x020; | |
233 | ||
234 | if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) { | |
235 | if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq, | |
63a43399 | 236 | IRQF_SHARED, "matroxfb", MINFO)) { |
1da177e4 LT |
237 | clear_bit(0, &ACCESS_FBINFO(irq_flags)); |
238 | return -EINVAL; | |
239 | } | |
240 | /* Clear any pending field interrupts */ | |
241 | mga_outl(M_ICLEAR, bm); | |
242 | mga_outl(M_IEN, mga_inl(M_IEN) | bm); | |
243 | } else if (reenable) { | |
244 | u_int32_t ien; | |
a50d913f | 245 | |
1da177e4 LT |
246 | ien = mga_inl(M_IEN); |
247 | if ((ien & bm) != bm) { | |
248 | printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien); | |
249 | mga_outl(M_IEN, ien | bm); | |
250 | } | |
251 | } | |
252 | return 0; | |
253 | } | |
254 | ||
255 | static void matroxfb_disable_irq(WPMINFO2) { | |
256 | if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) { | |
257 | /* Flush pending pan-at-vbl request... */ | |
258 | matroxfb_crtc1_panpos(PMINFO2); | |
259 | if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400) | |
260 | mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220); | |
261 | else | |
262 | mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20); | |
263 | free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO); | |
264 | } | |
265 | } | |
266 | ||
267 | int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) { | |
1da177e4 LT |
268 | struct matrox_vsync *vs; |
269 | unsigned int cnt; | |
270 | int ret; | |
271 | ||
272 | switch (crtc) { | |
273 | case 0: | |
274 | vs = &ACCESS_FBINFO(crtc1.vsync); | |
275 | break; | |
276 | case 1: | |
277 | if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) { | |
278 | return -ENODEV; | |
279 | } | |
280 | vs = &ACCESS_FBINFO(crtc2.vsync); | |
281 | break; | |
282 | default: | |
283 | return -ENODEV; | |
284 | } | |
285 | ret = matroxfb_enable_irq(PMINFO 0); | |
286 | if (ret) { | |
287 | return ret; | |
288 | } | |
1da177e4 LT |
289 | |
290 | cnt = vs->cnt; | |
291 | ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10); | |
292 | if (ret < 0) { | |
293 | return ret; | |
294 | } | |
295 | if (ret == 0) { | |
296 | matroxfb_enable_irq(PMINFO 1); | |
297 | return -ETIMEDOUT; | |
298 | } | |
299 | return 0; | |
300 | } | |
301 | ||
302 | /* --------------------------------------------------------------------- */ | |
303 | ||
304 | static void matrox_pan_var(WPMINFO struct fb_var_screeninfo *var) { | |
305 | unsigned int pos; | |
306 | unsigned short p0, p1, p2; | |
307 | #ifdef CONFIG_FB_MATROX_32MB | |
308 | unsigned int p3; | |
309 | #endif | |
310 | int vbl; | |
311 | unsigned long flags; | |
312 | ||
313 | CRITFLAGS | |
314 | ||
315 | DBG(__FUNCTION__) | |
316 | ||
317 | if (ACCESS_FBINFO(dead)) | |
318 | return; | |
319 | ||
320 | ACCESS_FBINFO(fbcon).var.xoffset = var->xoffset; | |
321 | ACCESS_FBINFO(fbcon).var.yoffset = var->yoffset; | |
322 | pos = (ACCESS_FBINFO(fbcon).var.yoffset * ACCESS_FBINFO(fbcon).var.xres_virtual + ACCESS_FBINFO(fbcon).var.xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32; | |
323 | pos += ACCESS_FBINFO(curr.ydstorg.chunks); | |
324 | p0 = ACCESS_FBINFO(hw).CRTC[0x0D] = pos & 0xFF; | |
325 | p1 = ACCESS_FBINFO(hw).CRTC[0x0C] = (pos & 0xFF00) >> 8; | |
326 | p2 = ACCESS_FBINFO(hw).CRTCEXT[0] = (ACCESS_FBINFO(hw).CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40); | |
327 | #ifdef CONFIG_FB_MATROX_32MB | |
328 | p3 = ACCESS_FBINFO(hw).CRTCEXT[8] = pos >> 21; | |
329 | #endif | |
330 | ||
331 | /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */ | |
332 | vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(PMINFO 0) == 0); | |
333 | ||
334 | CRITBEGIN | |
335 | ||
336 | matroxfb_DAC_lock_irqsave(flags); | |
337 | mga_setr(M_CRTC_INDEX, 0x0D, p0); | |
338 | mga_setr(M_CRTC_INDEX, 0x0C, p1); | |
339 | #ifdef CONFIG_FB_MATROX_32MB | |
340 | if (ACCESS_FBINFO(devflags.support32MB)) | |
341 | mga_setr(M_EXTVGA_INDEX, 0x08, p3); | |
342 | #endif | |
343 | if (vbl) { | |
344 | ACCESS_FBINFO(crtc1.panpos) = p2; | |
345 | } else { | |
346 | /* Abort any pending change */ | |
347 | ACCESS_FBINFO(crtc1.panpos) = -1; | |
348 | mga_setr(M_EXTVGA_INDEX, 0x00, p2); | |
349 | } | |
350 | matroxfb_DAC_unlock_irqrestore(flags); | |
a50d913f | 351 | |
1da177e4 LT |
352 | update_crtc2(PMINFO pos); |
353 | ||
354 | CRITEND | |
355 | } | |
356 | ||
357 | static void matroxfb_remove(WPMINFO int dummy) { | |
358 | /* Currently we are holding big kernel lock on all dead & usecount updates. | |
359 | * Destroy everything after all users release it. Especially do not unregister | |
360 | * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check | |
361 | * for device unplugged when in use. | |
362 | * In future we should point mmio.vbase & video.vbase somewhere where we can | |
363 | * write data without causing too much damage... | |
364 | */ | |
365 | ||
366 | ACCESS_FBINFO(dead) = 1; | |
367 | if (ACCESS_FBINFO(usecount)) { | |
368 | /* destroy it later */ | |
369 | return; | |
370 | } | |
371 | matroxfb_unregister_device(MINFO); | |
372 | unregister_framebuffer(&ACCESS_FBINFO(fbcon)); | |
373 | matroxfb_g450_shutdown(PMINFO2); | |
374 | #ifdef CONFIG_MTRR | |
375 | if (ACCESS_FBINFO(mtrr.vram_valid)) | |
376 | mtrr_del(ACCESS_FBINFO(mtrr.vram), ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len)); | |
377 | #endif | |
378 | mga_iounmap(ACCESS_FBINFO(mmio.vbase)); | |
379 | mga_iounmap(ACCESS_FBINFO(video.vbase)); | |
380 | release_mem_region(ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len_maximum)); | |
381 | release_mem_region(ACCESS_FBINFO(mmio.base), 16384); | |
382 | #ifdef CONFIG_FB_MATROX_MULTIHEAD | |
383 | kfree(minfo); | |
384 | #endif | |
385 | } | |
386 | ||
387 | /* | |
388 | * Open/Release the frame buffer device | |
389 | */ | |
390 | ||
391 | static int matroxfb_open(struct fb_info *info, int user) | |
392 | { | |
393 | MINFO_FROM_INFO(info); | |
a50d913f | 394 | |
1da177e4 LT |
395 | DBG_LOOP(__FUNCTION__) |
396 | ||
397 | if (ACCESS_FBINFO(dead)) { | |
398 | return -ENXIO; | |
399 | } | |
400 | ACCESS_FBINFO(usecount)++; | |
401 | if (user) { | |
402 | ACCESS_FBINFO(userusecount)++; | |
403 | } | |
404 | return(0); | |
405 | } | |
406 | ||
407 | static int matroxfb_release(struct fb_info *info, int user) | |
408 | { | |
409 | MINFO_FROM_INFO(info); | |
a50d913f | 410 | |
1da177e4 LT |
411 | DBG_LOOP(__FUNCTION__) |
412 | ||
413 | if (user) { | |
414 | if (0 == --ACCESS_FBINFO(userusecount)) { | |
415 | matroxfb_disable_irq(PMINFO2); | |
416 | } | |
417 | } | |
418 | if (!(--ACCESS_FBINFO(usecount)) && ACCESS_FBINFO(dead)) { | |
419 | matroxfb_remove(PMINFO 0); | |
420 | } | |
421 | return(0); | |
422 | } | |
423 | ||
424 | static int matroxfb_pan_display(struct fb_var_screeninfo *var, | |
425 | struct fb_info* info) { | |
426 | MINFO_FROM_INFO(info); | |
427 | ||
428 | DBG(__FUNCTION__) | |
429 | ||
430 | matrox_pan_var(PMINFO var); | |
431 | return 0; | |
432 | } | |
433 | ||
434 | static int matroxfb_get_final_bppShift(CPMINFO int bpp) { | |
435 | int bppshft2; | |
436 | ||
437 | DBG(__FUNCTION__) | |
438 | ||
439 | bppshft2 = bpp; | |
440 | if (!bppshft2) { | |
441 | return 8; | |
442 | } | |
443 | if (isInterleave(MINFO)) | |
444 | bppshft2 >>= 1; | |
445 | if (ACCESS_FBINFO(devflags.video64bits)) | |
446 | bppshft2 >>= 1; | |
447 | return bppshft2; | |
448 | } | |
449 | ||
450 | static int matroxfb_test_and_set_rounding(CPMINFO int xres, int bpp) { | |
451 | int over; | |
452 | int rounding; | |
453 | ||
454 | DBG(__FUNCTION__) | |
455 | ||
456 | switch (bpp) { | |
457 | case 0: return xres; | |
458 | case 4: rounding = 128; | |
459 | break; | |
460 | case 8: rounding = 64; /* doc says 64; 32 is OK for G400 */ | |
461 | break; | |
462 | case 16: rounding = 32; | |
463 | break; | |
464 | case 24: rounding = 64; /* doc says 64; 32 is OK for G400 */ | |
465 | break; | |
466 | default: rounding = 16; | |
467 | /* on G400, 16 really does not work */ | |
468 | if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400) | |
469 | rounding = 32; | |
470 | break; | |
471 | } | |
472 | if (isInterleave(MINFO)) { | |
473 | rounding *= 2; | |
474 | } | |
475 | over = xres % rounding; | |
476 | if (over) | |
477 | xres += rounding-over; | |
478 | return xres; | |
479 | } | |
480 | ||
481 | static int matroxfb_pitch_adjust(CPMINFO int xres, int bpp) { | |
482 | const int* width; | |
483 | int xres_new; | |
484 | ||
485 | DBG(__FUNCTION__) | |
486 | ||
487 | if (!bpp) return xres; | |
488 | ||
489 | width = ACCESS_FBINFO(capable.vxres); | |
490 | ||
491 | if (ACCESS_FBINFO(devflags.precise_width)) { | |
492 | while (*width) { | |
493 | if ((*width >= xres) && (matroxfb_test_and_set_rounding(PMINFO *width, bpp) == *width)) { | |
494 | break; | |
495 | } | |
496 | width++; | |
497 | } | |
498 | xres_new = *width; | |
499 | } else { | |
500 | xres_new = matroxfb_test_and_set_rounding(PMINFO xres, bpp); | |
501 | } | |
1da177e4 LT |
502 | return xres_new; |
503 | } | |
504 | ||
505 | static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) { | |
506 | ||
507 | DBG(__FUNCTION__) | |
508 | ||
509 | switch (var->bits_per_pixel) { | |
510 | case 4: | |
511 | return 16; /* pseudocolor... 16 entries HW palette */ | |
512 | case 8: | |
513 | return 256; /* pseudocolor... 256 entries HW palette */ | |
514 | case 16: | |
515 | return 16; /* directcolor... 16 entries SW palette */ | |
516 | /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ | |
517 | case 24: | |
518 | return 16; /* directcolor... 16 entries SW palette */ | |
519 | /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ | |
520 | case 32: | |
521 | return 16; /* directcolor... 16 entries SW palette */ | |
522 | /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ | |
523 | } | |
524 | return 16; /* return something reasonable... or panic()? */ | |
525 | } | |
526 | ||
527 | static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) { | |
528 | struct RGBT { | |
529 | unsigned char bpp; | |
530 | struct { | |
531 | unsigned char offset, | |
532 | length; | |
533 | } red, | |
534 | green, | |
535 | blue, | |
536 | transp; | |
537 | signed char visual; | |
538 | }; | |
539 | static const struct RGBT table[]= { | |
540 | { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR}, | |
541 | {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR}, | |
542 | {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR}, | |
543 | {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR}, | |
544 | {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR} | |
545 | }; | |
546 | struct RGBT const *rgbt; | |
547 | unsigned int bpp = var->bits_per_pixel; | |
548 | unsigned int vramlen; | |
549 | unsigned int memlen; | |
550 | ||
551 | DBG(__FUNCTION__) | |
552 | ||
553 | switch (bpp) { | |
554 | case 4: if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL; | |
555 | break; | |
556 | case 8: break; | |
557 | case 16: break; | |
558 | case 24: break; | |
559 | case 32: break; | |
560 | default: return -EINVAL; | |
561 | } | |
562 | *ydstorg = 0; | |
563 | vramlen = ACCESS_FBINFO(video.len_usable); | |
564 | if (var->yres_virtual < var->yres) | |
565 | var->yres_virtual = var->yres; | |
566 | if (var->xres_virtual < var->xres) | |
567 | var->xres_virtual = var->xres; | |
568 | ||
569 | var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp); | |
570 | memlen = var->xres_virtual * bpp * var->yres_virtual / 8; | |
571 | if (memlen > vramlen) { | |
572 | var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp); | |
573 | memlen = var->xres_virtual * bpp * var->yres_virtual / 8; | |
574 | } | |
575 | /* There is hardware bug that no line can cross 4MB boundary */ | |
576 | /* give up for CFB24, it is impossible to easy workaround it */ | |
577 | /* for other try to do something */ | |
578 | if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) { | |
579 | if (bpp == 24) { | |
580 | /* sorry */ | |
581 | } else { | |
582 | unsigned int linelen; | |
583 | unsigned int m1 = linelen = var->xres_virtual * bpp / 8; | |
584 | unsigned int m2 = PAGE_SIZE; /* or 128 if you do not need PAGE ALIGNED address */ | |
585 | unsigned int max_yres; | |
586 | ||
587 | while (m1) { | |
588 | int t; | |
589 | ||
590 | while (m2 >= m1) m2 -= m1; | |
591 | t = m1; | |
592 | m1 = m2; | |
593 | m2 = t; | |
594 | } | |
595 | m2 = linelen * PAGE_SIZE / m2; | |
596 | *ydstorg = m2 = 0x400000 % m2; | |
597 | max_yres = (vramlen - m2) / linelen; | |
598 | if (var->yres_virtual > max_yres) | |
599 | var->yres_virtual = max_yres; | |
600 | } | |
601 | } | |
602 | /* YDSTLEN contains only signed 16bit value */ | |
603 | if (var->yres_virtual > 32767) | |
604 | var->yres_virtual = 32767; | |
605 | /* we must round yres/xres down, we already rounded y/xres_virtual up | |
606 | if it was possible. We should return -EINVAL, but I disagree */ | |
607 | if (var->yres_virtual < var->yres) | |
608 | var->yres = var->yres_virtual; | |
609 | if (var->xres_virtual < var->xres) | |
610 | var->xres = var->xres_virtual; | |
611 | if (var->xoffset + var->xres > var->xres_virtual) | |
612 | var->xoffset = var->xres_virtual - var->xres; | |
613 | if (var->yoffset + var->yres > var->yres_virtual) | |
614 | var->yoffset = var->yres_virtual - var->yres; | |
615 | ||
616 | if (bpp == 16 && var->green.length == 5) { | |
617 | bpp--; /* an artifical value - 15 */ | |
618 | } | |
619 | ||
620 | for (rgbt = table; rgbt->bpp < bpp; rgbt++); | |
621 | #define SETCLR(clr)\ | |
622 | var->clr.offset = rgbt->clr.offset;\ | |
623 | var->clr.length = rgbt->clr.length | |
624 | SETCLR(red); | |
625 | SETCLR(green); | |
626 | SETCLR(blue); | |
627 | SETCLR(transp); | |
628 | #undef SETCLR | |
629 | *visual = rgbt->visual; | |
630 | ||
631 | if (bpp > 8) | |
632 | dprintk("matroxfb: truecolor: " | |
633 | "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n", | |
634 | var->transp.length, var->red.length, var->green.length, var->blue.length, | |
635 | var->transp.offset, var->red.offset, var->green.offset, var->blue.offset); | |
636 | ||
637 | *video_cmap_len = matroxfb_get_cmap_len(var); | |
638 | dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel, | |
639 | var->xres_virtual, var->yres_virtual); | |
640 | return 0; | |
641 | } | |
642 | ||
643 | static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green, | |
644 | unsigned blue, unsigned transp, | |
645 | struct fb_info *fb_info) | |
646 | { | |
647 | #ifdef CONFIG_FB_MATROX_MULTIHEAD | |
648 | struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon); | |
649 | #endif | |
650 | ||
651 | DBG(__FUNCTION__) | |
652 | ||
653 | /* | |
654 | * Set a single color register. The values supplied are | |
655 | * already rounded down to the hardware's capabilities | |
656 | * (according to the entries in the `var' structure). Return | |
657 | * != 0 for invalid regno. | |
658 | */ | |
659 | ||
660 | if (regno >= ACCESS_FBINFO(curr.cmap_len)) | |
661 | return 1; | |
662 | ||
663 | if (ACCESS_FBINFO(fbcon).var.grayscale) { | |
664 | /* gray = 0.30*R + 0.59*G + 0.11*B */ | |
665 | red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; | |
666 | } | |
667 | ||
668 | red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length); | |
669 | green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length); | |
670 | blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length); | |
671 | transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length); | |
672 | ||
673 | switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) { | |
674 | case 4: | |
675 | case 8: | |
676 | mga_outb(M_DAC_REG, regno); | |
677 | mga_outb(M_DAC_VAL, red); | |
678 | mga_outb(M_DAC_VAL, green); | |
679 | mga_outb(M_DAC_VAL, blue); | |
680 | break; | |
681 | case 16: | |
682 | { | |
683 | u_int16_t col = | |
684 | (red << ACCESS_FBINFO(fbcon).var.red.offset) | | |
685 | (green << ACCESS_FBINFO(fbcon).var.green.offset) | | |
686 | (blue << ACCESS_FBINFO(fbcon).var.blue.offset) | | |
687 | (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */ | |
688 | ACCESS_FBINFO(cmap[regno]) = col | (col << 16); | |
689 | } | |
690 | break; | |
691 | case 24: | |
692 | case 32: | |
693 | ACCESS_FBINFO(cmap[regno]) = | |
694 | (red << ACCESS_FBINFO(fbcon).var.red.offset) | | |
695 | (green << ACCESS_FBINFO(fbcon).var.green.offset) | | |
696 | (blue << ACCESS_FBINFO(fbcon).var.blue.offset) | | |
697 | (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* 8:8:8:8 */ | |
698 | break; | |
699 | } | |
700 | return 0; | |
701 | } | |
702 | ||
703 | static void matroxfb_init_fix(WPMINFO2) | |
704 | { | |
705 | struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix; | |
706 | DBG(__FUNCTION__) | |
707 | ||
708 | strcpy(fix->id,"MATROX"); | |
709 | ||
710 | fix->xpanstep = 8; /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */ | |
711 | fix->ypanstep = 1; | |
712 | fix->ywrapstep = 0; | |
713 | fix->mmio_start = ACCESS_FBINFO(mmio.base); | |
714 | fix->mmio_len = ACCESS_FBINFO(mmio.len); | |
715 | fix->accel = ACCESS_FBINFO(devflags.accelerator); | |
716 | } | |
717 | ||
718 | static void matroxfb_update_fix(WPMINFO2) | |
719 | { | |
720 | struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix; | |
721 | DBG(__FUNCTION__) | |
722 | ||
723 | fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes); | |
724 | fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes); | |
725 | } | |
726 | ||
727 | static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | |
728 | { | |
729 | int err; | |
730 | int visual; | |
731 | int cmap_len; | |
732 | unsigned int ydstorg; | |
733 | MINFO_FROM_INFO(info); | |
734 | ||
735 | if (ACCESS_FBINFO(dead)) { | |
736 | return -ENXIO; | |
737 | } | |
738 | if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0) | |
739 | return err; | |
740 | return 0; | |
741 | } | |
742 | ||
743 | static int matroxfb_set_par(struct fb_info *info) | |
744 | { | |
745 | int err; | |
746 | int visual; | |
747 | int cmap_len; | |
748 | unsigned int ydstorg; | |
749 | struct fb_var_screeninfo *var; | |
750 | MINFO_FROM_INFO(info); | |
751 | ||
752 | DBG(__FUNCTION__) | |
753 | ||
754 | if (ACCESS_FBINFO(dead)) { | |
755 | return -ENXIO; | |
756 | } | |
757 | ||
758 | var = &info->var; | |
759 | if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0) | |
760 | return err; | |
761 | ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg; | |
762 | matroxfb_update_fix(PMINFO2); | |
763 | ACCESS_FBINFO(fbcon).fix.visual = visual; | |
764 | ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS; | |
765 | ACCESS_FBINFO(fbcon).fix.type_aux = 0; | |
766 | ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3; | |
767 | { | |
768 | unsigned int pos; | |
769 | ||
770 | ACCESS_FBINFO(curr.cmap_len) = cmap_len; | |
771 | ydstorg += ACCESS_FBINFO(devflags.ydstorg); | |
772 | ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg; | |
773 | ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2); | |
774 | if (var->bits_per_pixel == 4) | |
775 | ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg; | |
776 | else | |
777 | ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel; | |
778 | ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel); | |
779 | { struct my_timming mt; | |
780 | struct matrox_hw_state* hw; | |
781 | int out; | |
782 | ||
783 | matroxfb_var2my(var, &mt); | |
784 | mt.crtc = MATROXFB_SRC_CRTC1; | |
785 | /* CRTC1 delays */ | |
786 | switch (var->bits_per_pixel) { | |
787 | case 0: mt.delay = 31 + 0; break; | |
788 | case 16: mt.delay = 21 + 8; break; | |
789 | case 24: mt.delay = 17 + 8; break; | |
790 | case 32: mt.delay = 16 + 8; break; | |
791 | default: mt.delay = 31 + 8; break; | |
792 | } | |
793 | ||
794 | hw = &ACCESS_FBINFO(hw); | |
795 | ||
796 | down_read(&ACCESS_FBINFO(altout).lock); | |
797 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { | |
798 | if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 && | |
799 | ACCESS_FBINFO(outputs[out]).output->compute) { | |
800 | ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt); | |
801 | } | |
802 | } | |
803 | up_read(&ACCESS_FBINFO(altout).lock); | |
804 | ACCESS_FBINFO(crtc1).pixclock = mt.pixclock; | |
805 | ACCESS_FBINFO(crtc1).mnp = mt.mnp; | |
806 | ACCESS_FBINFO(hw_switch->init(PMINFO &mt)); | |
807 | pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32; | |
808 | pos += ACCESS_FBINFO(curr.ydstorg.chunks); | |
809 | ||
810 | hw->CRTC[0x0D] = pos & 0xFF; | |
811 | hw->CRTC[0x0C] = (pos & 0xFF00) >> 8; | |
812 | hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40); | |
813 | hw->CRTCEXT[8] = pos >> 21; | |
814 | ACCESS_FBINFO(hw_switch->restore(PMINFO2)); | |
815 | update_crtc2(PMINFO pos); | |
816 | down_read(&ACCESS_FBINFO(altout).lock); | |
817 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { | |
818 | if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 && | |
819 | ACCESS_FBINFO(outputs[out]).output->program) { | |
820 | ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data); | |
821 | } | |
822 | } | |
823 | for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { | |
824 | if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 && | |
825 | ACCESS_FBINFO(outputs[out]).output->start) { | |
826 | ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data); | |
827 | } | |
828 | } | |
829 | up_read(&ACCESS_FBINFO(altout).lock); | |
830 | matrox_cfbX_init(PMINFO2); | |
831 | } | |
832 | } | |
833 | ACCESS_FBINFO(initialized) = 1; | |
834 | return 0; | |
835 | } | |
836 | ||
837 | static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank) | |
838 | { | |
839 | unsigned int sts1; | |
840 | ||
841 | matroxfb_enable_irq(PMINFO 0); | |
842 | memset(vblank, 0, sizeof(*vblank)); | |
843 | vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC | | |
844 | FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK; | |
845 | sts1 = mga_inb(M_INSTS1); | |
846 | vblank->vcount = mga_inl(M_VCOUNT); | |
847 | /* BTW, on my PIII/450 with G400, reading M_INSTS1 | |
848 | byte makes this call about 12% slower (1.70 vs. 2.05 us | |
849 | per ioctl()) */ | |
850 | if (sts1 & 1) | |
851 | vblank->flags |= FB_VBLANK_HBLANKING; | |
852 | if (sts1 & 8) | |
853 | vblank->flags |= FB_VBLANK_VSYNCING; | |
854 | if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres) | |
855 | vblank->flags |= FB_VBLANK_VBLANKING; | |
856 | if (test_bit(0, &ACCESS_FBINFO(irq_flags))) { | |
857 | vblank->flags |= FB_VBLANK_HAVE_COUNT; | |
a50d913f | 858 | /* Only one writer, aligned int value... |
1da177e4 LT |
859 | it should work without lock and without atomic_t */ |
860 | vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt; | |
861 | } | |
862 | return 0; | |
863 | } | |
864 | ||
865 | static struct matrox_altout panellink_output = { | |
866 | .name = "Panellink output", | |
867 | }; | |
868 | ||
67a6680d CH |
869 | static int matroxfb_ioctl(struct fb_info *info, |
870 | unsigned int cmd, unsigned long arg) | |
1da177e4 LT |
871 | { |
872 | void __user *argp = (void __user *)arg; | |
873 | MINFO_FROM_INFO(info); | |
a50d913f | 874 | |
1da177e4 LT |
875 | DBG(__FUNCTION__) |
876 | ||
877 | if (ACCESS_FBINFO(dead)) { | |
878 | return -ENXIO; | |
879 | } | |
880 | ||
881 | switch (cmd) { | |
882 | case FBIOGET_VBLANK: | |
883 | { | |
884 | struct fb_vblank vblank; | |
885 | int err; | |
886 | ||
887 | err = matroxfb_get_vblank(PMINFO &vblank); | |
888 | if (err) | |
889 | return err; | |
890 | if (copy_to_user(argp, &vblank, sizeof(vblank))) | |
891 | return -EFAULT; | |
892 | return 0; | |
893 | } | |
894 | case FBIO_WAITFORVSYNC: | |
895 | { | |
896 | u_int32_t crt; | |
897 | ||
898 | if (get_user(crt, (u_int32_t __user *)arg)) | |
899 | return -EFAULT; | |
900 | ||
901 | return matroxfb_wait_for_sync(PMINFO crt); | |
902 | } | |
903 | case MATROXFB_SET_OUTPUT_MODE: | |
904 | { | |
905 | struct matroxioc_output_mode mom; | |
906 | struct matrox_altout *oproc; | |
907 | int val; | |
908 | ||
909 | if (copy_from_user(&mom, argp, sizeof(mom))) | |
910 | return -EFAULT; | |
911 | if (mom.output >= MATROXFB_MAX_OUTPUTS) | |
912 | return -ENXIO; | |
913 | down_read(&ACCESS_FBINFO(altout.lock)); | |
914 | oproc = ACCESS_FBINFO(outputs[mom.output]).output; | |
915 | if (!oproc) { | |
916 | val = -ENXIO; | |
917 | } else if (!oproc->verifymode) { | |
918 | if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) { | |
919 | val = 0; | |
920 | } else { | |
921 | val = -EINVAL; | |
922 | } | |
923 | } else { | |
924 | val = oproc->verifymode(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode); | |
925 | } | |
926 | if (!val) { | |
927 | if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) { | |
928 | ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode; | |
929 | val = 1; | |
930 | } | |
931 | } | |
932 | up_read(&ACCESS_FBINFO(altout.lock)); | |
933 | if (val != 1) | |
934 | return val; | |
935 | switch (ACCESS_FBINFO(outputs[mom.output]).src) { | |
936 | case MATROXFB_SRC_CRTC1: | |
937 | matroxfb_set_par(info); | |
938 | break; | |
939 | case MATROXFB_SRC_CRTC2: | |
940 | { | |
941 | struct matroxfb_dh_fb_info* crtc2; | |
942 | ||
943 | down_read(&ACCESS_FBINFO(crtc2.lock)); | |
944 | crtc2 = ACCESS_FBINFO(crtc2.info); | |
945 | if (crtc2) | |
946 | crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon); | |
947 | up_read(&ACCESS_FBINFO(crtc2.lock)); | |
948 | } | |
949 | break; | |
950 | } | |
951 | return 0; | |
952 | } | |
953 | case MATROXFB_GET_OUTPUT_MODE: | |
954 | { | |
955 | struct matroxioc_output_mode mom; | |
956 | struct matrox_altout *oproc; | |
957 | int val; | |
958 | ||
959 | if (copy_from_user(&mom, argp, sizeof(mom))) | |
960 | return -EFAULT; | |
961 | if (mom.output >= MATROXFB_MAX_OUTPUTS) | |
962 | return -ENXIO; | |
963 | down_read(&ACCESS_FBINFO(altout.lock)); | |
964 | oproc = ACCESS_FBINFO(outputs[mom.output]).output; | |
965 | if (!oproc) { | |
966 | val = -ENXIO; | |
967 | } else { | |
968 | mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode; | |
969 | val = 0; | |
970 | } | |
971 | up_read(&ACCESS_FBINFO(altout.lock)); | |
972 | if (val) | |
973 | return val; | |
974 | if (copy_to_user(argp, &mom, sizeof(mom))) | |
975 | return -EFAULT; | |
976 | return 0; | |
977 | } | |
978 | case MATROXFB_SET_OUTPUT_CONNECTION: | |
979 | { | |
980 | u_int32_t tmp; | |
981 | int i; | |
982 | int changes; | |
983 | ||
984 | if (copy_from_user(&tmp, argp, sizeof(tmp))) | |
985 | return -EFAULT; | |
986 | for (i = 0; i < 32; i++) { | |
987 | if (tmp & (1 << i)) { | |
988 | if (i >= MATROXFB_MAX_OUTPUTS) | |
989 | return -ENXIO; | |
990 | if (!ACCESS_FBINFO(outputs[i]).output) | |
991 | return -ENXIO; | |
992 | switch (ACCESS_FBINFO(outputs[i]).src) { | |
993 | case MATROXFB_SRC_NONE: | |
994 | case MATROXFB_SRC_CRTC1: | |
995 | break; | |
996 | default: | |
997 | return -EBUSY; | |
998 | } | |
999 | } | |
1000 | } | |
1001 | if (ACCESS_FBINFO(devflags.panellink)) { | |
1002 | if (tmp & MATROXFB_OUTPUT_CONN_DFP) { | |
1003 | if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY) | |
1004 | return -EINVAL; | |
1005 | for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { | |
1006 | if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) { | |
1007 | return -EBUSY; | |
1008 | } | |
1009 | } | |
1010 | } | |
1011 | } | |
1012 | changes = 0; | |
1013 | for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { | |
1014 | if (tmp & (1 << i)) { | |
1015 | if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) { | |
1016 | changes = 1; | |
1017 | ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1; | |
1018 | } | |
1019 | } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) { | |
1020 | changes = 1; | |
1021 | ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_NONE; | |
1022 | } | |
1023 | } | |
1024 | if (!changes) | |
1025 | return 0; | |
1026 | matroxfb_set_par(info); | |
1027 | return 0; | |
1028 | } | |
1029 | case MATROXFB_GET_OUTPUT_CONNECTION: | |
1030 | { | |
1031 | u_int32_t conn = 0; | |
1032 | int i; | |
1033 | ||
1034 | for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { | |
1035 | if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) { | |
1036 | conn |= 1 << i; | |
1037 | } | |
1038 | } | |
1039 | if (put_user(conn, (u_int32_t __user *)arg)) | |
1040 | return -EFAULT; | |
1041 | return 0; | |
1042 | } | |
1043 | case MATROXFB_GET_AVAILABLE_OUTPUTS: | |
1044 | { | |
1045 | u_int32_t conn = 0; | |
1046 | int i; | |
1047 | ||
1048 | for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { | |
1049 | if (ACCESS_FBINFO(outputs[i]).output) { | |
1050 | switch (ACCESS_FBINFO(outputs[i]).src) { | |
1051 | case MATROXFB_SRC_NONE: | |
1052 | case MATROXFB_SRC_CRTC1: | |
1053 | conn |= 1 << i; | |
1054 | break; | |
1055 | } | |
1056 | } | |
1057 | } | |
1058 | if (ACCESS_FBINFO(devflags.panellink)) { | |
1059 | if (conn & MATROXFB_OUTPUT_CONN_DFP) | |
1060 | conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY; | |
1061 | if (conn & MATROXFB_OUTPUT_CONN_SECONDARY) | |
1062 | conn &= ~MATROXFB_OUTPUT_CONN_DFP; | |
1063 | } | |
1064 | if (put_user(conn, (u_int32_t __user *)arg)) | |
1065 | return -EFAULT; | |
1066 | return 0; | |
1067 | } | |
1068 | case MATROXFB_GET_ALL_OUTPUTS: | |
1069 | { | |
1070 | u_int32_t conn = 0; | |
1071 | int i; | |
1072 | ||
1073 | for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { | |
1074 | if (ACCESS_FBINFO(outputs[i]).output) { | |
1075 | conn |= 1 << i; | |
1076 | } | |
1077 | } | |
1078 | if (put_user(conn, (u_int32_t __user *)arg)) | |
1079 | return -EFAULT; | |
1080 | return 0; | |
1081 | } | |
1082 | case VIDIOC_QUERYCAP: | |
1083 | { | |
1084 | struct v4l2_capability r; | |
a50d913f | 1085 | |
1da177e4 LT |
1086 | memset(&r, 0, sizeof(r)); |
1087 | strcpy(r.driver, "matroxfb"); | |
1088 | strcpy(r.card, "Matrox"); | |
1089 | sprintf(r.bus_info, "PCI:%s", pci_name(ACCESS_FBINFO(pcidev))); | |
1090 | r.version = KERNEL_VERSION(1,0,0); | |
1091 | r.capabilities = V4L2_CAP_VIDEO_OUTPUT; | |
1092 | if (copy_to_user(argp, &r, sizeof(r))) | |
1093 | return -EFAULT; | |
1094 | return 0; | |
a50d913f | 1095 | |
1da177e4 LT |
1096 | } |
1097 | case VIDIOC_QUERYCTRL: | |
1098 | { | |
1099 | struct v4l2_queryctrl qctrl; | |
1100 | int err; | |
1101 | ||
1102 | if (copy_from_user(&qctrl, argp, sizeof(qctrl))) | |
1103 | return -EFAULT; | |
1104 | ||
1105 | down_read(&ACCESS_FBINFO(altout).lock); | |
1106 | if (!ACCESS_FBINFO(outputs[1]).output) { | |
1107 | err = -ENXIO; | |
1108 | } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) { | |
1109 | err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl); | |
1110 | } else { | |
1111 | err = -EINVAL; | |
1112 | } | |
1113 | up_read(&ACCESS_FBINFO(altout).lock); | |
1114 | if (err >= 0 && | |
1115 | copy_to_user(argp, &qctrl, sizeof(qctrl))) | |
1116 | return -EFAULT; | |
1117 | return err; | |
1118 | } | |
1119 | case VIDIOC_G_CTRL: | |
1120 | { | |
1121 | struct v4l2_control ctrl; | |
1122 | int err; | |
1123 | ||
1124 | if (copy_from_user(&ctrl, argp, sizeof(ctrl))) | |
1125 | return -EFAULT; | |
1126 | ||
1127 | down_read(&ACCESS_FBINFO(altout).lock); | |
1128 | if (!ACCESS_FBINFO(outputs[1]).output) { | |
1129 | err = -ENXIO; | |
1130 | } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) { | |
1131 | err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl); | |
1132 | } else { | |
1133 | err = -EINVAL; | |
1134 | } | |
1135 | up_read(&ACCESS_FBINFO(altout).lock); | |
1136 | if (err >= 0 && | |
1137 | copy_to_user(argp, &ctrl, sizeof(ctrl))) | |
1138 | return -EFAULT; | |
1139 | return err; | |
1140 | } | |
1141 | case VIDIOC_S_CTRL_OLD: | |
1142 | case VIDIOC_S_CTRL: | |
1143 | { | |
1144 | struct v4l2_control ctrl; | |
1145 | int err; | |
1146 | ||
1147 | if (copy_from_user(&ctrl, argp, sizeof(ctrl))) | |
1148 | return -EFAULT; | |
1149 | ||
1150 | down_read(&ACCESS_FBINFO(altout).lock); | |
1151 | if (!ACCESS_FBINFO(outputs[1]).output) { | |
1152 | err = -ENXIO; | |
1153 | } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) { | |
1154 | err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl); | |
1155 | } else { | |
1156 | err = -EINVAL; | |
1157 | } | |
1158 | up_read(&ACCESS_FBINFO(altout).lock); | |
1159 | return err; | |
1160 | } | |
1161 | } | |
1162 | return -ENOTTY; | |
1163 | } | |
1164 | ||
1165 | /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */ | |
1166 | ||
1167 | static int matroxfb_blank(int blank, struct fb_info *info) | |
1168 | { | |
1169 | int seq; | |
1170 | int crtc; | |
1171 | CRITFLAGS | |
1172 | MINFO_FROM_INFO(info); | |
1173 | ||
1174 | DBG(__FUNCTION__) | |
1175 | ||
1176 | if (ACCESS_FBINFO(dead)) | |
1177 | return 1; | |
1178 | ||
1179 | switch (blank) { | |
1180 | case FB_BLANK_NORMAL: seq = 0x20; crtc = 0x00; break; /* works ??? */ | |
1181 | case FB_BLANK_VSYNC_SUSPEND: seq = 0x20; crtc = 0x10; break; | |
1182 | case FB_BLANK_HSYNC_SUSPEND: seq = 0x20; crtc = 0x20; break; | |
1183 | case FB_BLANK_POWERDOWN: seq = 0x20; crtc = 0x30; break; | |
1184 | default: seq = 0x00; crtc = 0x00; break; | |
1185 | } | |
1186 | ||
1187 | CRITBEGIN | |
1188 | ||
1189 | mga_outb(M_SEQ_INDEX, 1); | |
1190 | mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq); | |
1191 | mga_outb(M_EXTVGA_INDEX, 1); | |
1192 | mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc); | |
1193 | ||
1194 | CRITEND | |
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | static struct fb_ops matroxfb_ops = { | |
1199 | .owner = THIS_MODULE, | |
1200 | .fb_open = matroxfb_open, | |
1201 | .fb_release = matroxfb_release, | |
1202 | .fb_check_var = matroxfb_check_var, | |
1203 | .fb_set_par = matroxfb_set_par, | |
1204 | .fb_setcolreg = matroxfb_setcolreg, | |
1205 | .fb_pan_display =matroxfb_pan_display, | |
1206 | .fb_blank = matroxfb_blank, | |
1207 | .fb_ioctl = matroxfb_ioctl, | |
1208 | /* .fb_fillrect = <set by matrox_cfbX_init>, */ | |
1209 | /* .fb_copyarea = <set by matrox_cfbX_init>, */ | |
1210 | /* .fb_imageblit = <set by matrox_cfbX_init>, */ | |
1211 | /* .fb_cursor = <set by matrox_cfbX_init>, */ | |
1212 | }; | |
1213 | ||
1214 | #define RSDepth(X) (((X) >> 8) & 0x0F) | |
1215 | #define RS8bpp 0x1 | |
1216 | #define RS15bpp 0x2 | |
1217 | #define RS16bpp 0x3 | |
1218 | #define RS32bpp 0x4 | |
1219 | #define RS4bpp 0x5 | |
1220 | #define RS24bpp 0x6 | |
1221 | #define RSText 0x7 | |
1222 | #define RSText8 0x8 | |
1223 | /* 9-F */ | |
1224 | static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = { | |
1225 | { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 8 }, | |
1226 | { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 }, | |
1227 | { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, { 0, 0, 0}, 16 }, | |
1228 | { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 }, | |
1229 | { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 4 }, | |
1230 | { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 24 }, | |
1231 | { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode with (default) VGA8x16 */ | |
1232 | { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode hardwired to VGA8x8 */ | |
1233 | }; | |
1234 | ||
1235 | /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */ | |
1236 | static unsigned int mem; /* "matrox:mem:xxxxxM" */ | |
1237 | static int option_precise_width = 1; /* cannot be changed, option_precise_width==0 must imply noaccel */ | |
1238 | static int inv24; /* "matrox:inv24" */ | |
1239 | static int cross4MB = -1; /* "matrox:cross4MB" */ | |
1240 | static int disabled; /* "matrox:disabled" */ | |
1241 | static int noaccel; /* "matrox:noaccel" */ | |
1242 | static int nopan; /* "matrox:nopan" */ | |
1243 | static int no_pci_retry; /* "matrox:nopciretry" */ | |
1244 | static int novga; /* "matrox:novga" */ | |
1245 | static int nobios; /* "matrox:nobios" */ | |
1246 | static int noinit = 1; /* "matrox:init" */ | |
1247 | static int inverse; /* "matrox:inverse" */ | |
1248 | static int sgram; /* "matrox:sgram" */ | |
1249 | #ifdef CONFIG_MTRR | |
1250 | static int mtrr = 1; /* "matrox:nomtrr" */ | |
1251 | #endif | |
1252 | static int grayscale; /* "matrox:grayscale" */ | |
1253 | static int dev = -1; /* "matrox:dev:xxxxx" */ | |
1254 | static unsigned int vesa = ~0; /* "matrox:vesa:xxxxx" */ | |
1255 | static int depth = -1; /* "matrox:depth:xxxxx" */ | |
1256 | static unsigned int xres; /* "matrox:xres:xxxxx" */ | |
1257 | static unsigned int yres; /* "matrox:yres:xxxxx" */ | |
1258 | static unsigned int upper = ~0; /* "matrox:upper:xxxxx" */ | |
1259 | static unsigned int lower = ~0; /* "matrox:lower:xxxxx" */ | |
1260 | static unsigned int vslen; /* "matrox:vslen:xxxxx" */ | |
1261 | static unsigned int left = ~0; /* "matrox:left:xxxxx" */ | |
1262 | static unsigned int right = ~0; /* "matrox:right:xxxxx" */ | |
1263 | static unsigned int hslen; /* "matrox:hslen:xxxxx" */ | |
1264 | static unsigned int pixclock; /* "matrox:pixclock:xxxxx" */ | |
1265 | static int sync = -1; /* "matrox:sync:xxxxx" */ | |
1266 | static unsigned int fv; /* "matrox:fv:xxxxx" */ | |
1267 | static unsigned int fh; /* "matrox:fh:xxxxxk" */ | |
1268 | static unsigned int maxclk; /* "matrox:maxclk:xxxxM" */ | |
1269 | static int dfp; /* "matrox:dfp */ | |
1270 | static int dfp_type = -1; /* "matrox:dfp:xxx */ | |
1271 | static int memtype = -1; /* "matrox:memtype:xxx" */ | |
1272 | static char outputs[8]; /* "matrox:outputs:xxx" */ | |
1273 | ||
1274 | #ifndef MODULE | |
1275 | static char videomode[64]; /* "matrox:mode:xxxxx" or "matrox:xxxxx" */ | |
1276 | #endif | |
1277 | ||
1278 | static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){ | |
1279 | vaddr_t vm; | |
1280 | unsigned int offs; | |
1281 | unsigned int offs2; | |