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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Frame buffer driver for Trident Blade and Image series | |
3 | * | |
245a2c2c | 4 | * Copyright 2001, 2002 - Jani Monoses <jani@iv.ro> |
1da177e4 LT |
5 | * |
6 | * | |
7 | * CREDITS:(in order of appearance) | |
245a2c2c KH |
8 | * skeletonfb.c by Geert Uytterhoeven and other fb code in drivers/video |
9 | * Special thanks ;) to Mattia Crivellini <tia@mclink.it> | |
10 | * much inspired by the XFree86 4.x Trident driver sources | |
11 | * by Alan Hourihane the FreeVGA project | |
12 | * Francesco Salvestrini <salvestrini@users.sf.net> XP support, | |
13 | * code, suggestions | |
1da177e4 | 14 | * TODO: |
245a2c2c KH |
15 | * timing value tweaking so it looks good on every monitor in every mode |
16 | * TGUI acceleration | |
1da177e4 LT |
17 | */ |
18 | ||
1da177e4 LT |
19 | #include <linux/module.h> |
20 | #include <linux/fb.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/pci.h> | |
23 | ||
24 | #include <linux/delay.h> | |
25 | #include <video/trident.h> | |
26 | ||
27 | #define VERSION "0.7.8-NEWAPI" | |
28 | ||
29 | struct tridentfb_par { | |
245a2c2c | 30 | void __iomem *io_virt; /* iospace virtual memory address */ |
1da177e4 LT |
31 | }; |
32 | ||
245a2c2c | 33 | static unsigned char eng_oper; /* engine operation... */ |
1da177e4 LT |
34 | static struct fb_ops tridentfb_ops; |
35 | ||
36 | static struct tridentfb_par default_par; | |
37 | ||
38 | /* FIXME:kmalloc these 3 instead */ | |
39 | static struct fb_info fb_info; | |
40 | static u32 pseudo_pal[16]; | |
41 | ||
1da177e4 LT |
42 | static struct fb_var_screeninfo default_var; |
43 | ||
44 | static struct fb_fix_screeninfo tridentfb_fix = { | |
245a2c2c | 45 | .id = "Trident", |
1da177e4 LT |
46 | .type = FB_TYPE_PACKED_PIXELS, |
47 | .ypanstep = 1, | |
48 | .visual = FB_VISUAL_PSEUDOCOLOR, | |
49 | .accel = FB_ACCEL_NONE, | |
50 | }; | |
51 | ||
52 | static int chip_id; | |
53 | ||
54 | static int defaultaccel; | |
55 | static int displaytype; | |
56 | ||
1da177e4 LT |
57 | /* defaults which are normally overriden by user values */ |
58 | ||
59 | /* video mode */ | |
07f41e45 | 60 | static char *mode_option __devinitdata = "640x480"; |
1da177e4 LT |
61 | static int bpp = 8; |
62 | ||
63 | static int noaccel; | |
64 | ||
65 | static int center; | |
66 | static int stretch; | |
67 | ||
68 | static int fp; | |
69 | static int crt; | |
70 | ||
71 | static int memsize; | |
72 | static int memdiff; | |
73 | static int nativex; | |
74 | ||
07f41e45 KH |
75 | module_param(mode_option, charp, 0); |
76 | MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'"); | |
9e3f0ca8 KH |
77 | module_param_named(mode, mode_option, charp, 0); |
78 | MODULE_PARM_DESC(mode, "Initial video mode e.g. '648x480-8@60' (deprecated)"); | |
1da177e4 LT |
79 | module_param(bpp, int, 0); |
80 | module_param(center, int, 0); | |
81 | module_param(stretch, int, 0); | |
82 | module_param(noaccel, int, 0); | |
83 | module_param(memsize, int, 0); | |
84 | module_param(memdiff, int, 0); | |
85 | module_param(nativex, int, 0); | |
86 | module_param(fp, int, 0); | |
87 | module_param(crt, int, 0); | |
88 | ||
1da177e4 LT |
89 | static int chip3D; |
90 | static int chipcyber; | |
91 | ||
92 | static int is3Dchip(int id) | |
93 | { | |
245a2c2c KH |
94 | return ((id == BLADE3D) || (id == CYBERBLADEE4) || |
95 | (id == CYBERBLADEi7) || (id == CYBERBLADEi7D) || | |
96 | (id == CYBER9397) || (id == CYBER9397DVD) || | |
97 | (id == CYBER9520) || (id == CYBER9525DVD) || | |
98 | (id == IMAGE975) || (id == IMAGE985) || | |
99 | (id == CYBERBLADEi1) || (id == CYBERBLADEi1D) || | |
100 | (id == CYBERBLADEAi1) || (id == CYBERBLADEAi1D) || | |
101 | (id == CYBERBLADEXPm8) || (id == CYBERBLADEXPm16) || | |
102 | (id == CYBERBLADEXPAi1)); | |
1da177e4 LT |
103 | } |
104 | ||
105 | static int iscyber(int id) | |
106 | { | |
107 | switch (id) { | |
245a2c2c KH |
108 | case CYBER9388: |
109 | case CYBER9382: | |
110 | case CYBER9385: | |
111 | case CYBER9397: | |
112 | case CYBER9397DVD: | |
113 | case CYBER9520: | |
114 | case CYBER9525DVD: | |
115 | case CYBERBLADEE4: | |
116 | case CYBERBLADEi7D: | |
117 | case CYBERBLADEi1: | |
118 | case CYBERBLADEi1D: | |
119 | case CYBERBLADEAi1: | |
120 | case CYBERBLADEAi1D: | |
121 | case CYBERBLADEXPAi1: | |
122 | return 1; | |
1da177e4 | 123 | |
245a2c2c KH |
124 | case CYBER9320: |
125 | case TGUI9660: | |
126 | case IMAGE975: | |
127 | case IMAGE985: | |
128 | case BLADE3D: | |
129 | case CYBERBLADEi7: /* VIA MPV4 integrated version */ | |
130 | ||
131 | default: | |
132 | /* case CYBERBLDAEXPm8: Strange */ | |
133 | /* case CYBERBLDAEXPm16: Strange */ | |
134 | return 0; | |
1da177e4 LT |
135 | } |
136 | } | |
137 | ||
245a2c2c | 138 | #define CRT 0x3D0 /* CRTC registers offset for color display */ |
1da177e4 LT |
139 | |
140 | #ifndef TRIDENT_MMIO | |
141 | #define TRIDENT_MMIO 1 | |
142 | #endif | |
143 | ||
144 | #if TRIDENT_MMIO | |
245a2c2c | 145 | #define t_outb(val, reg) writeb(val,((struct tridentfb_par *)(fb_info.par))->io_virt + reg) |
1da177e4 LT |
146 | #define t_inb(reg) readb(((struct tridentfb_par*)(fb_info.par))->io_virt + reg) |
147 | #else | |
245a2c2c | 148 | #define t_outb(val, reg) outb(val, reg) |
1da177e4 LT |
149 | #define t_inb(reg) inb(reg) |
150 | #endif | |
151 | ||
152 | ||
153 | static struct accel_switch { | |
245a2c2c KH |
154 | void (*init_accel) (int, int); |
155 | void (*wait_engine) (void); | |
156 | void (*fill_rect) (u32, u32, u32, u32, u32, u32); | |
157 | void (*copy_rect) (u32, u32, u32, u32, u32, u32); | |
1da177e4 LT |
158 | } *acc; |
159 | ||
245a2c2c | 160 | #define writemmr(r, v) writel(v, ((struct tridentfb_par *)fb_info.par)->io_virt + r) |
1da177e4 LT |
161 | #define readmmr(r) readl(((struct tridentfb_par *)fb_info.par)->io_virt + r) |
162 | ||
1da177e4 LT |
163 | /* |
164 | * Blade specific acceleration. | |
165 | */ | |
166 | ||
245a2c2c | 167 | #define point(x, y) ((y) << 16 | (x)) |
1da177e4 LT |
168 | #define STA 0x2120 |
169 | #define CMD 0x2144 | |
170 | #define ROP 0x2148 | |
171 | #define CLR 0x2160 | |
172 | #define SR1 0x2100 | |
173 | #define SR2 0x2104 | |
174 | #define DR1 0x2108 | |
175 | #define DR2 0x210C | |
176 | ||
177 | #define ROP_S 0xCC | |
178 | ||
245a2c2c | 179 | static void blade_init_accel(int pitch, int bpp) |
1da177e4 | 180 | { |
245a2c2c KH |
181 | int v1 = (pitch >> 3) << 20; |
182 | int tmp = 0, v2; | |
1da177e4 | 183 | switch (bpp) { |
245a2c2c KH |
184 | case 8: |
185 | tmp = 0; | |
186 | break; | |
187 | case 15: | |
188 | tmp = 5; | |
189 | break; | |
190 | case 16: | |
191 | tmp = 1; | |
192 | break; | |
193 | case 24: | |
194 | case 32: | |
195 | tmp = 2; | |
196 | break; | |
1da177e4 | 197 | } |
245a2c2c KH |
198 | v2 = v1 | (tmp << 29); |
199 | writemmr(0x21C0, v2); | |
200 | writemmr(0x21C4, v2); | |
201 | writemmr(0x21B8, v2); | |
202 | writemmr(0x21BC, v2); | |
203 | writemmr(0x21D0, v1); | |
204 | writemmr(0x21D4, v1); | |
205 | writemmr(0x21C8, v1); | |
206 | writemmr(0x21CC, v1); | |
207 | writemmr(0x216C, 0); | |
1da177e4 LT |
208 | } |
209 | ||
210 | static void blade_wait_engine(void) | |
211 | { | |
245a2c2c | 212 | while (readmmr(STA) & 0xFA800000) ; |
1da177e4 LT |
213 | } |
214 | ||
245a2c2c | 215 | static void blade_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop) |
1da177e4 | 216 | { |
245a2c2c KH |
217 | writemmr(CLR, c); |
218 | writemmr(ROP, rop ? 0x66 : ROP_S); | |
219 | writemmr(CMD, 0x20000000 | 1 << 19 | 1 << 4 | 2 << 2); | |
1da177e4 | 220 | |
245a2c2c KH |
221 | writemmr(DR1, point(x, y)); |
222 | writemmr(DR2, point(x + w - 1, y + h - 1)); | |
1da177e4 LT |
223 | } |
224 | ||
245a2c2c | 225 | static void blade_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h) |
1da177e4 | 226 | { |
245a2c2c | 227 | u32 s1, s2, d1, d2; |
1da177e4 | 228 | int direction = 2; |
245a2c2c KH |
229 | s1 = point(x1, y1); |
230 | s2 = point(x1 + w - 1, y1 + h - 1); | |
231 | d1 = point(x2, y2); | |
232 | d2 = point(x2 + w - 1, y2 + h - 1); | |
1da177e4 LT |
233 | |
234 | if ((y1 > y2) || ((y1 == y2) && (x1 > x2))) | |
245a2c2c | 235 | direction = 0; |
1da177e4 | 236 | |
245a2c2c KH |
237 | writemmr(ROP, ROP_S); |
238 | writemmr(CMD, 0xE0000000 | 1 << 19 | 1 << 4 | 1 << 2 | direction); | |
1da177e4 | 239 | |
245a2c2c KH |
240 | writemmr(SR1, direction ? s2 : s1); |
241 | writemmr(SR2, direction ? s1 : s2); | |
242 | writemmr(DR1, direction ? d2 : d1); | |
243 | writemmr(DR2, direction ? d1 : d2); | |
1da177e4 LT |
244 | } |
245 | ||
246 | static struct accel_switch accel_blade = { | |
247 | blade_init_accel, | |
248 | blade_wait_engine, | |
249 | blade_fill_rect, | |
250 | blade_copy_rect, | |
251 | }; | |
252 | ||
1da177e4 LT |
253 | /* |
254 | * BladeXP specific acceleration functions | |
255 | */ | |
256 | ||
257 | #define ROP_P 0xF0 | |
245a2c2c | 258 | #define masked_point(x, y) ((y & 0xffff)<<16|(x & 0xffff)) |
1da177e4 | 259 | |
245a2c2c | 260 | static void xp_init_accel(int pitch, int bpp) |
1da177e4 | 261 | { |
245a2c2c | 262 | int tmp = 0, v1; |
1da177e4 LT |
263 | unsigned char x = 0; |
264 | ||
265 | switch (bpp) { | |
245a2c2c KH |
266 | case 8: |
267 | x = 0; | |
268 | break; | |
269 | case 16: | |
270 | x = 1; | |
271 | break; | |
272 | case 24: | |
273 | x = 3; | |
274 | break; | |
275 | case 32: | |
276 | x = 2; | |
277 | break; | |
1da177e4 LT |
278 | } |
279 | ||
280 | switch (pitch << (bpp >> 3)) { | |
245a2c2c KH |
281 | case 8192: |
282 | case 512: | |
283 | x |= 0x00; | |
284 | break; | |
285 | case 1024: | |
286 | x |= 0x04; | |
287 | break; | |
288 | case 2048: | |
289 | x |= 0x08; | |
290 | break; | |
291 | case 4096: | |
292 | x |= 0x0C; | |
293 | break; | |
1da177e4 LT |
294 | } |
295 | ||
245a2c2c | 296 | t_outb(x, 0x2125); |
1da177e4 LT |
297 | |
298 | eng_oper = x | 0x40; | |
299 | ||
300 | switch (bpp) { | |
245a2c2c KH |
301 | case 8: |
302 | tmp = 18; | |
303 | break; | |
304 | case 15: | |
305 | case 16: | |
306 | tmp = 19; | |
307 | break; | |
308 | case 24: | |
309 | case 32: | |
310 | tmp = 20; | |
311 | break; | |
1da177e4 LT |
312 | } |
313 | ||
314 | v1 = pitch << tmp; | |
315 | ||
245a2c2c KH |
316 | writemmr(0x2154, v1); |
317 | writemmr(0x2150, v1); | |
318 | t_outb(3, 0x2126); | |
1da177e4 LT |
319 | } |
320 | ||
321 | static void xp_wait_engine(void) | |
322 | { | |
323 | int busy; | |
324 | int count, timeout; | |
325 | ||
326 | count = 0; | |
327 | timeout = 0; | |
328 | for (;;) { | |
329 | busy = t_inb(STA) & 0x80; | |
330 | if (busy != 0x80) | |
331 | return; | |
332 | count++; | |
333 | if (count == 10000000) { | |
334 | /* Timeout */ | |
335 | count = 9990000; | |
336 | timeout++; | |
337 | if (timeout == 8) { | |
338 | /* Reset engine */ | |
339 | t_outb(0x00, 0x2120); | |
340 | return; | |
341 | } | |
342 | } | |
343 | } | |
344 | } | |
345 | ||
245a2c2c | 346 | static void xp_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop) |
1da177e4 | 347 | { |
245a2c2c KH |
348 | writemmr(0x2127, ROP_P); |
349 | writemmr(0x2158, c); | |
350 | writemmr(0x2128, 0x4000); | |
351 | writemmr(0x2140, masked_point(h, w)); | |
352 | writemmr(0x2138, masked_point(y, x)); | |
353 | t_outb(0x01, 0x2124); | |
354 | t_outb(eng_oper, 0x2125); | |
1da177e4 LT |
355 | } |
356 | ||
245a2c2c | 357 | static void xp_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h) |
1da177e4 LT |
358 | { |
359 | int direction; | |
245a2c2c | 360 | u32 x1_tmp, x2_tmp, y1_tmp, y2_tmp; |
1da177e4 LT |
361 | |
362 | direction = 0x0004; | |
245a2c2c | 363 | |
1da177e4 LT |
364 | if ((x1 < x2) && (y1 == y2)) { |
365 | direction |= 0x0200; | |
366 | x1_tmp = x1 + w - 1; | |
367 | x2_tmp = x2 + w - 1; | |
368 | } else { | |
369 | x1_tmp = x1; | |
370 | x2_tmp = x2; | |
371 | } | |
245a2c2c | 372 | |
1da177e4 LT |
373 | if (y1 < y2) { |
374 | direction |= 0x0100; | |
375 | y1_tmp = y1 + h - 1; | |
376 | y2_tmp = y2 + h - 1; | |
245a2c2c | 377 | } else { |
1da177e4 LT |
378 | y1_tmp = y1; |
379 | y2_tmp = y2; | |
380 | } | |
381 | ||
245a2c2c KH |
382 | writemmr(0x2128, direction); |
383 | t_outb(ROP_S, 0x2127); | |
384 | writemmr(0x213C, masked_point(y1_tmp, x1_tmp)); | |
385 | writemmr(0x2138, masked_point(y2_tmp, x2_tmp)); | |
386 | writemmr(0x2140, masked_point(h, w)); | |
387 | t_outb(0x01, 0x2124); | |
1da177e4 LT |
388 | } |
389 | ||
390 | static struct accel_switch accel_xp = { | |
245a2c2c | 391 | xp_init_accel, |
1da177e4 LT |
392 | xp_wait_engine, |
393 | xp_fill_rect, | |
394 | xp_copy_rect, | |
395 | }; | |
396 | ||
1da177e4 LT |
397 | /* |
398 | * Image specific acceleration functions | |
399 | */ | |
245a2c2c | 400 | static void image_init_accel(int pitch, int bpp) |
1da177e4 LT |
401 | { |
402 | int tmp = 0; | |
245a2c2c KH |
403 | switch (bpp) { |
404 | case 8: | |
405 | tmp = 0; | |
406 | break; | |
407 | case 15: | |
408 | tmp = 5; | |
409 | break; | |
410 | case 16: | |
411 | tmp = 1; | |
412 | break; | |
413 | case 24: | |
414 | case 32: | |
415 | tmp = 2; | |
416 | break; | |
1da177e4 LT |
417 | } |
418 | writemmr(0x2120, 0xF0000000); | |
245a2c2c | 419 | writemmr(0x2120, 0x40000000 | tmp); |
1da177e4 LT |
420 | writemmr(0x2120, 0x80000000); |
421 | writemmr(0x2144, 0x00000000); | |
422 | writemmr(0x2148, 0x00000000); | |
423 | writemmr(0x2150, 0x00000000); | |
424 | writemmr(0x2154, 0x00000000); | |
245a2c2c | 425 | writemmr(0x2120, 0x60000000 | (pitch << 16) | pitch); |
1da177e4 LT |
426 | writemmr(0x216C, 0x00000000); |
427 | writemmr(0x2170, 0x00000000); | |
428 | writemmr(0x217C, 0x00000000); | |
429 | writemmr(0x2120, 0x10000000); | |
430 | writemmr(0x2130, (2047 << 16) | 2047); | |
431 | } | |
432 | ||
433 | static void image_wait_engine(void) | |
434 | { | |
245a2c2c | 435 | while (readmmr(0x2164) & 0xF0000000) ; |
1da177e4 LT |
436 | } |
437 | ||
245a2c2c | 438 | static void image_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop) |
1da177e4 | 439 | { |
245a2c2c KH |
440 | writemmr(0x2120, 0x80000000); |
441 | writemmr(0x2120, 0x90000000 | ROP_S); | |
1da177e4 | 442 | |
245a2c2c | 443 | writemmr(0x2144, c); |
1da177e4 | 444 | |
245a2c2c KH |
445 | writemmr(DR1, point(x, y)); |
446 | writemmr(DR2, point(x + w - 1, y + h - 1)); | |
1da177e4 | 447 | |
245a2c2c | 448 | writemmr(0x2124, 0x80000000 | 3 << 22 | 1 << 10 | 1 << 9); |
1da177e4 LT |
449 | } |
450 | ||
245a2c2c | 451 | static void image_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h) |
1da177e4 | 452 | { |
245a2c2c | 453 | u32 s1, s2, d1, d2; |
1da177e4 | 454 | int direction = 2; |
245a2c2c KH |
455 | s1 = point(x1, y1); |
456 | s2 = point(x1 + w - 1, y1 + h - 1); | |
457 | d1 = point(x2, y2); | |
458 | d2 = point(x2 + w - 1, y2 + h - 1); | |
1da177e4 | 459 | |
245a2c2c KH |
460 | if ((y1 > y2) || ((y1 == y2) && (x1 > x2))) |
461 | direction = 0; | |
462 | ||
463 | writemmr(0x2120, 0x80000000); | |
464 | writemmr(0x2120, 0x90000000 | ROP_S); | |
465 | ||
466 | writemmr(SR1, direction ? s2 : s1); | |
467 | writemmr(SR2, direction ? s1 : s2); | |
468 | writemmr(DR1, direction ? d2 : d1); | |
469 | writemmr(DR2, direction ? d1 : d2); | |
470 | writemmr(0x2124, 0x80000000 | 1 << 22 | 1 << 10 | 1 << 7 | direction); | |
471 | } | |
1da177e4 LT |
472 | |
473 | static struct accel_switch accel_image = { | |
474 | image_init_accel, | |
475 | image_wait_engine, | |
476 | image_fill_rect, | |
477 | image_copy_rect, | |
478 | }; | |
479 | ||
480 | /* | |
481 | * Accel functions called by the upper layers | |
482 | */ | |
483 | #ifdef CONFIG_FB_TRIDENT_ACCEL | |
245a2c2c KH |
484 | static void tridentfb_fillrect(struct fb_info *info, |
485 | const struct fb_fillrect *fr) | |
1da177e4 LT |
486 | { |
487 | int bpp = info->var.bits_per_pixel; | |
8dad46cf | 488 | int col = 0; |
245a2c2c | 489 | |
1da177e4 | 490 | switch (bpp) { |
245a2c2c KH |
491 | default: |
492 | case 8: | |
493 | col |= fr->color; | |
494 | col |= col << 8; | |
495 | col |= col << 16; | |
496 | break; | |
497 | case 16: | |
498 | col = ((u32 *)(info->pseudo_palette))[fr->color]; | |
499 | break; | |
500 | case 32: | |
501 | col = ((u32 *)(info->pseudo_palette))[fr->color]; | |
502 | break; | |
503 | } | |
504 | ||
1da177e4 LT |
505 | acc->fill_rect(fr->dx, fr->dy, fr->width, fr->height, col, fr->rop); |
506 | acc->wait_engine(); | |
507 | } | |
245a2c2c KH |
508 | static void tridentfb_copyarea(struct fb_info *info, |
509 | const struct fb_copyarea *ca) | |
1da177e4 | 510 | { |
245a2c2c | 511 | acc->copy_rect(ca->sx, ca->sy, ca->dx, ca->dy, ca->width, ca->height); |
1da177e4 LT |
512 | acc->wait_engine(); |
513 | } | |
514 | #else /* !CONFIG_FB_TRIDENT_ACCEL */ | |
515 | #define tridentfb_fillrect cfb_fillrect | |
516 | #define tridentfb_copyarea cfb_copyarea | |
517 | #endif /* CONFIG_FB_TRIDENT_ACCEL */ | |
518 | ||
519 | ||
520 | /* | |
521 | * Hardware access functions | |
522 | */ | |
523 | ||
524 | static inline unsigned char read3X4(int reg) | |
525 | { | |
245a2c2c | 526 | struct tridentfb_par *par = (struct tridentfb_par *)fb_info.par; |
1da177e4 | 527 | writeb(reg, par->io_virt + CRT + 4); |
245a2c2c | 528 | return readb(par->io_virt + CRT + 5); |
1da177e4 LT |
529 | } |
530 | ||
531 | static inline void write3X4(int reg, unsigned char val) | |
532 | { | |
245a2c2c | 533 | struct tridentfb_par *par = (struct tridentfb_par *)fb_info.par; |
1da177e4 LT |
534 | writeb(reg, par->io_virt + CRT + 4); |
535 | writeb(val, par->io_virt + CRT + 5); | |
536 | } | |
537 | ||
538 | static inline unsigned char read3C4(int reg) | |
539 | { | |
540 | t_outb(reg, 0x3C4); | |
541 | return t_inb(0x3C5); | |
542 | } | |
543 | ||
544 | static inline void write3C4(int reg, unsigned char val) | |
545 | { | |
546 | t_outb(reg, 0x3C4); | |
547 | t_outb(val, 0x3C5); | |
548 | } | |
549 | ||
550 | static inline unsigned char read3CE(int reg) | |
551 | { | |
552 | t_outb(reg, 0x3CE); | |
553 | return t_inb(0x3CF); | |
554 | } | |
555 | ||
556 | static inline void writeAttr(int reg, unsigned char val) | |
557 | { | |
245a2c2c | 558 | readb(((struct tridentfb_par *)fb_info.par)->io_virt + CRT + 0x0A); /* flip-flop to index */ |
1da177e4 LT |
559 | t_outb(reg, 0x3C0); |
560 | t_outb(val, 0x3C0); | |
561 | } | |
562 | ||
563 | static inline void write3CE(int reg, unsigned char val) | |
564 | { | |
565 | t_outb(reg, 0x3CE); | |
566 | t_outb(val, 0x3CF); | |
567 | } | |
568 | ||
e8ed857c | 569 | static void enable_mmio(void) |
1da177e4 LT |
570 | { |
571 | /* Goto New Mode */ | |
572 | outb(0x0B, 0x3C4); | |
573 | inb(0x3C5); | |
574 | ||
575 | /* Unprotect registers */ | |
576 | outb(NewMode1, 0x3C4); | |
577 | outb(0x80, 0x3C5); | |
245a2c2c | 578 | |
1da177e4 | 579 | /* Enable MMIO */ |
245a2c2c | 580 | outb(PCIReg, 0x3D4); |
1da177e4 | 581 | outb(inb(0x3D5) | 0x01, 0x3D5); |
e8ed857c KH |
582 | } |
583 | ||
584 | static void disable_mmio(void) | |
585 | { | |
e8ed857c KH |
586 | /* Goto New Mode */ |
587 | t_outb(0x0B, 0x3C4); | |
588 | t_inb(0x3C5); | |
589 | ||
590 | /* Unprotect registers */ | |
591 | t_outb(NewMode1, 0x3C4); | |
e8ed857c KH |
592 | t_outb(0x80, 0x3C5); |
593 | ||
594 | /* Disable MMIO */ | |
595 | t_outb(PCIReg, 0x3D4); | |
596 | t_outb(t_inb(0x3D5) & ~0x01, 0x3D5); | |
1da177e4 LT |
597 | } |
598 | ||
1da177e4 LT |
599 | #define crtc_unlock() write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F) |
600 | ||
601 | /* Return flat panel's maximum x resolution */ | |
474ab45a | 602 | static int __devinit get_nativex(void) |
1da177e4 | 603 | { |
245a2c2c | 604 | int x, y, tmp; |
1da177e4 LT |
605 | |
606 | if (nativex) | |
607 | return nativex; | |
608 | ||
245a2c2c | 609 | tmp = (read3CE(VertStretch) >> 4) & 3; |
1da177e4 LT |
610 | |
611 | switch (tmp) { | |
245a2c2c KH |
612 | case 0: |
613 | x = 1280; y = 1024; | |
614 | break; | |
615 | case 2: | |
616 | x = 1024; y = 768; | |
617 | break; | |
618 | case 3: | |
619 | x = 800; y = 600; | |
620 | break; | |
621 | case 4: | |
622 | x = 1400; y = 1050; | |
623 | break; | |
624 | case 1: | |
625 | default: | |
626 | x = 640; y = 480; | |
627 | break; | |
1da177e4 LT |
628 | } |
629 | ||
630 | output("%dx%d flat panel found\n", x, y); | |
631 | return x; | |
632 | } | |
633 | ||
634 | /* Set pitch */ | |
635 | static void set_lwidth(int width) | |
636 | { | |
637 | write3X4(Offset, width & 0xFF); | |
245a2c2c KH |
638 | write3X4(AddColReg, |
639 | (read3X4(AddColReg) & 0xCF) | ((width & 0x300) >> 4)); | |
1da177e4 LT |
640 | } |
641 | ||
642 | /* For resolutions smaller than FP resolution stretch */ | |
643 | static void screen_stretch(void) | |
644 | { | |
245a2c2c KH |
645 | if (chip_id != CYBERBLADEXPAi1) |
646 | write3CE(BiosReg, 0); | |
647 | else | |
648 | write3CE(BiosReg, 8); | |
649 | write3CE(VertStretch, (read3CE(VertStretch) & 0x7C) | 1); | |
650 | write3CE(HorStretch, (read3CE(HorStretch) & 0x7C) | 1); | |
1da177e4 LT |
651 | } |
652 | ||
653 | /* For resolutions smaller than FP resolution center */ | |
654 | static void screen_center(void) | |
655 | { | |
245a2c2c KH |
656 | write3CE(VertStretch, (read3CE(VertStretch) & 0x7C) | 0x80); |
657 | write3CE(HorStretch, (read3CE(HorStretch) & 0x7C) | 0x80); | |
1da177e4 LT |
658 | } |
659 | ||
660 | /* Address of first shown pixel in display memory */ | |
661 | static void set_screen_start(int base) | |
662 | { | |
663 | write3X4(StartAddrLow, base & 0xFF); | |
664 | write3X4(StartAddrHigh, (base & 0xFF00) >> 8); | |
245a2c2c KH |
665 | write3X4(CRTCModuleTest, |
666 | (read3X4(CRTCModuleTest) & 0xDF) | ((base & 0x10000) >> 11)); | |
667 | write3X4(CRTHiOrd, | |
668 | (read3X4(CRTHiOrd) & 0xF8) | ((base & 0xE0000) >> 17)); | |
1da177e4 LT |
669 | } |
670 | ||
1da177e4 | 671 | /* Set dotclock frequency */ |
3f275ea3 | 672 | static void set_vclk(unsigned long freq) |
1da177e4 | 673 | { |
245a2c2c | 674 | int m, n, k; |
3f275ea3 | 675 | unsigned long f, fi, d, di; |
245a2c2c | 676 | unsigned char lo = 0, hi = 0; |
1da177e4 | 677 | |
3f275ea3 | 678 | d = 20000; |
245a2c2c KH |
679 | for (k = 2; k >= 0; k--) |
680 | for (m = 0; m < 63; m++) | |
681 | for (n = 0; n < 128; n++) { | |
3f275ea3 | 682 | fi = ((14318l * (n + 8)) / (m + 2)) >> k; |
245a2c2c KH |
683 | if ((di = abs(fi - freq)) < d) { |
684 | d = di; | |
685 | f = fi; | |
686 | lo = n; | |
687 | hi = (k << 6) | m; | |
688 | } | |
3f275ea3 KH |
689 | if (fi > freq) |
690 | break; | |
245a2c2c | 691 | } |
1da177e4 | 692 | if (chip3D) { |
245a2c2c KH |
693 | write3C4(ClockHigh, hi); |
694 | write3C4(ClockLow, lo); | |
1da177e4 | 695 | } else { |
245a2c2c KH |
696 | outb(lo, 0x43C8); |
697 | outb(hi, 0x43C9); | |
1da177e4 | 698 | } |
245a2c2c | 699 | debug("VCLK = %X %X\n", hi, lo); |
1da177e4 LT |
700 | } |
701 | ||
702 | /* Set number of lines for flat panels*/ | |
703 | static void set_number_of_lines(int lines) | |
704 | { | |
705 | int tmp = read3CE(CyberEnhance) & 0x8F; | |
706 | if (lines > 1024) | |
707 | tmp |= 0x50; | |
708 | else if (lines > 768) | |
709 | tmp |= 0x30; | |
710 | else if (lines > 600) | |
711 | tmp |= 0x20; | |
712 | else if (lines > 480) | |
713 | tmp |= 0x10; | |
714 | write3CE(CyberEnhance, tmp); | |
715 | } | |
716 | ||
717 | /* | |
718 | * If we see that FP is active we assume we have one. | |
719 | * Otherwise we have a CRT display.User can override. | |
720 | */ | |
474ab45a | 721 | static unsigned int __devinit get_displaytype(void) |
1da177e4 LT |
722 | { |
723 | if (fp) | |
724 | return DISPLAY_FP; | |
725 | if (crt || !chipcyber) | |
726 | return DISPLAY_CRT; | |
245a2c2c | 727 | return (read3CE(FPConfig) & 0x10) ? DISPLAY_FP : DISPLAY_CRT; |
1da177e4 LT |
728 | } |
729 | ||
730 | /* Try detecting the video memory size */ | |
474ab45a | 731 | static unsigned int __devinit get_memsize(void) |
1da177e4 LT |
732 | { |
733 | unsigned char tmp, tmp2; | |
734 | unsigned int k; | |
735 | ||
736 | /* If memory size provided by user */ | |
737 | if (memsize) | |
738 | k = memsize * Kb; | |
739 | else | |
245a2c2c KH |
740 | switch (chip_id) { |
741 | case CYBER9525DVD: | |
742 | k = 2560 * Kb; | |
743 | break; | |
1da177e4 LT |
744 | default: |
745 | tmp = read3X4(SPR) & 0x0F; | |
746 | switch (tmp) { | |
747 | ||
245a2c2c | 748 | case 0x01: |
b614ce8b | 749 | k = 512 * Kb; |
245a2c2c KH |
750 | break; |
751 | case 0x02: | |
752 | k = 6 * Mb; /* XP */ | |
753 | break; | |
754 | case 0x03: | |
755 | k = 1 * Mb; | |
756 | break; | |
757 | case 0x04: | |
758 | k = 8 * Mb; | |
759 | break; | |
760 | case 0x06: | |
761 | k = 10 * Mb; /* XP */ | |
762 | break; | |
763 | case 0x07: | |
764 | k = 2 * Mb; | |
765 | break; | |
766 | case 0x08: | |
767 | k = 12 * Mb; /* XP */ | |
768 | break; | |
769 | case 0x0A: | |
770 | k = 14 * Mb; /* XP */ | |
771 | break; | |
772 | case 0x0C: | |
773 | k = 16 * Mb; /* XP */ | |
774 | break; | |
775 | case 0x0E: /* XP */ | |
776 | ||
777 | tmp2 = read3C4(0xC1); | |
778 | switch (tmp2) { | |
779 | case 0x00: | |
780 | k = 20 * Mb; | |
781 | break; | |
782 | case 0x01: | |
783 | k = 24 * Mb; | |
784 | break; | |
785 | case 0x10: | |
786 | k = 28 * Mb; | |
787 | break; | |
788 | case 0x11: | |
789 | k = 32 * Mb; | |
790 | break; | |
791 | default: | |
792 | k = 1 * Mb; | |
793 | break; | |
794 | } | |
795 | break; | |
796 | ||
797 | case 0x0F: | |
798 | k = 4 * Mb; | |
799 | break; | |
800 | default: | |
801 | k = 1 * Mb; | |
1da177e4 | 802 | break; |
1da177e4 | 803 | } |
245a2c2c | 804 | } |
1da177e4 LT |
805 | |
806 | k -= memdiff * Kb; | |
245a2c2c | 807 | output("framebuffer size = %d Kb\n", k / Kb); |
1da177e4 LT |
808 | return k; |
809 | } | |
810 | ||
811 | /* See if we can handle the video mode described in var */ | |
245a2c2c KH |
812 | static int tridentfb_check_var(struct fb_var_screeninfo *var, |
813 | struct fb_info *info) | |
1da177e4 LT |
814 | { |
815 | int bpp = var->bits_per_pixel; | |
816 | debug("enter\n"); | |
817 | ||
818 | /* check color depth */ | |
245a2c2c | 819 | if (bpp == 24) |
1da177e4 | 820 | bpp = var->bits_per_pixel = 32; |
245a2c2c | 821 | /* check whether resolution fits on panel and in memory */ |
1da177e4 LT |
822 | if (flatpanel && nativex && var->xres > nativex) |
823 | return -EINVAL; | |
245a2c2c | 824 | if (var->xres * var->yres_virtual * bpp / 8 > info->fix.smem_len) |
1da177e4 LT |
825 | return -EINVAL; |
826 | ||
827 | switch (bpp) { | |
245a2c2c KH |
828 | case 8: |
829 | var->red.offset = 0; | |
830 | var->green.offset = 0; | |
831 | var->blue.offset = 0; | |
832 | var->red.length = 6; | |
833 | var->green.length = 6; | |
834 | var->blue.length = 6; | |
835 | break; | |
836 | case 16: | |
837 | var->red.offset = 11; | |
838 | var->green.offset = 5; | |
839 | var->blue.offset = 0; | |
840 | var->red.length = 5; | |
841 | var->green.length = 6; | |
842 | var->blue.length = 5; | |
843 | break; | |
844 | case 32: | |
845 | var->red.offset = 16; | |
846 | var->green.offset = 8; | |
847 | var->blue.offset = 0; | |
848 | var->red.length = 8; | |
849 | var->green.length = 8; | |
850 | var->blue.length = 8; | |
851 | break; | |
852 | default: | |
853 | return -EINVAL; | |
1da177e4 LT |
854 | } |
855 | debug("exit\n"); | |
856 | ||
857 | return 0; | |
858 | ||
859 | } | |
245a2c2c | 860 | |
1da177e4 LT |
861 | /* Pan the display */ |
862 | static int tridentfb_pan_display(struct fb_var_screeninfo *var, | |
245a2c2c | 863 | struct fb_info *info) |
1da177e4 LT |
864 | { |
865 | unsigned int offset; | |
866 | ||
867 | debug("enter\n"); | |
868 | offset = (var->xoffset + (var->yoffset * var->xres)) | |
245a2c2c | 869 | * var->bits_per_pixel / 32; |
1da177e4 LT |
870 | info->var.xoffset = var->xoffset; |
871 | info->var.yoffset = var->yoffset; | |
872 | set_screen_start(offset); | |
873 | debug("exit\n"); | |
874 | return 0; | |
875 | } | |
876 | ||
245a2c2c KH |
877 | #define shadowmode_on() write3CE(CyberControl, read3CE(CyberControl) | 0x81) |
878 | #define shadowmode_off() write3CE(CyberControl, read3CE(CyberControl) & 0x7E) | |
1da177e4 LT |
879 | |
880 | /* Set the hardware to the requested video mode */ | |
881 | static int tridentfb_set_par(struct fb_info *info) | |
882 | { | |
245a2c2c KH |
883 | struct tridentfb_par *par = (struct tridentfb_par *)(info->par); |
884 | u32 htotal, hdispend, hsyncstart, hsyncend, hblankstart, hblankend; | |
885 | u32 vtotal, vdispend, vsyncstart, vsyncend, vblankstart, vblankend; | |
886 | struct fb_var_screeninfo *var = &info->var; | |
1da177e4 LT |
887 | int bpp = var->bits_per_pixel; |
888 | unsigned char tmp; | |
3f275ea3 KH |
889 | unsigned long vclk; |
890 | ||
1da177e4 | 891 | debug("enter\n"); |
245a2c2c KH |
892 | hdispend = var->xres / 8 - 1; |
893 | hsyncstart = (var->xres + var->right_margin) / 8; | |
894 | hsyncend = var->hsync_len / 8; | |
895 | htotal = | |
896 | (var->xres + var->left_margin + var->right_margin + | |
897 | var->hsync_len) / 8 - 10; | |
1da177e4 LT |
898 | hblankstart = hdispend + 1; |
899 | hblankend = htotal + 5; | |
900 | ||
1da177e4 LT |
901 | vdispend = var->yres - 1; |
902 | vsyncstart = var->yres + var->lower_margin; | |
903 | vsyncend = var->vsync_len; | |
245a2c2c | 904 | vtotal = var->upper_margin + vsyncstart + vsyncend - 2; |
1da177e4 LT |
905 | vblankstart = var->yres; |
906 | vblankend = vtotal + 2; | |
907 | ||
1da177e4 | 908 | crtc_unlock(); |
245a2c2c | 909 | write3CE(CyberControl, 8); |
1da177e4 LT |
910 | |
911 | if (flatpanel && var->xres < nativex) { | |
912 | /* | |
913 | * on flat panels with native size larger | |
914 | * than requested resolution decide whether | |
915 | * we stretch or center | |
916 | */ | |
245a2c2c | 917 | t_outb(0xEB, 0x3C2); |
1da177e4 LT |
918 | |
919 | shadowmode_on(); | |
920 | ||
245a2c2c | 921 | if (center) |
1da177e4 LT |
922 | screen_center(); |
923 | else if (stretch) | |
924 | screen_stretch(); | |
925 | ||
926 | } else { | |
245a2c2c KH |
927 | t_outb(0x2B, 0x3C2); |
928 | write3CE(CyberControl, 8); | |
1da177e4 LT |
929 | } |
930 | ||
931 | /* vertical timing values */ | |
932 | write3X4(CRTVTotal, vtotal & 0xFF); | |
933 | write3X4(CRTVDispEnd, vdispend & 0xFF); | |
934 | write3X4(CRTVSyncStart, vsyncstart & 0xFF); | |
935 | write3X4(CRTVSyncEnd, (vsyncend & 0x0F)); | |
936 | write3X4(CRTVBlankStart, vblankstart & 0xFF); | |
245a2c2c | 937 | write3X4(CRTVBlankEnd, 0 /* p->vblankend & 0xFF */ ); |
1da177e4 LT |
938 | |
939 | /* horizontal timing values */ | |
940 | write3X4(CRTHTotal, htotal & 0xFF); | |
941 | write3X4(CRTHDispEnd, hdispend & 0xFF); | |
942 | write3X4(CRTHSyncStart, hsyncstart & 0xFF); | |
245a2c2c | 943 | write3X4(CRTHSyncEnd, (hsyncend & 0x1F) | ((hblankend & 0x20) << 2)); |
1da177e4 | 944 | write3X4(CRTHBlankStart, hblankstart & 0xFF); |
245a2c2c | 945 | write3X4(CRTHBlankEnd, 0 /* (p->hblankend & 0x1F) */ ); |
1da177e4 LT |
946 | |
947 | /* higher bits of vertical timing values */ | |
948 | tmp = 0x10; | |
949 | if (vtotal & 0x100) tmp |= 0x01; | |
950 | if (vdispend & 0x100) tmp |= 0x02; | |
951 | if (vsyncstart & 0x100) tmp |= 0x04; | |
952 | if (vblankstart & 0x100) tmp |= 0x08; | |
953 | ||
954 | if (vtotal & 0x200) tmp |= 0x20; | |
955 | if (vdispend & 0x200) tmp |= 0x40; | |
956 | if (vsyncstart & 0x200) tmp |= 0x80; | |
957 | write3X4(CRTOverflow, tmp); | |
958 | ||
245a2c2c | 959 | tmp = read3X4(CRTHiOrd) | 0x08; /* line compare bit 10 */ |
1da177e4 LT |
960 | if (vtotal & 0x400) tmp |= 0x80; |
961 | if (vblankstart & 0x400) tmp |= 0x40; | |
962 | if (vsyncstart & 0x400) tmp |= 0x20; | |
963 | if (vdispend & 0x400) tmp |= 0x10; | |
964 | write3X4(CRTHiOrd, tmp); | |
965 | ||
966 | tmp = 0; | |
967 | if (htotal & 0x800) tmp |= 0x800 >> 11; | |
968 | if (hblankstart & 0x800) tmp |= 0x800 >> 7; | |
969 | write3X4(HorizOverflow, tmp); | |
245a2c2c | 970 | |
1da177e4 LT |
971 | tmp = 0x40; |
972 | if (vblankstart & 0x200) tmp |= 0x20; | |
245a2c2c | 973 | //FIXME if (info->var.vmode & FB_VMODE_DOUBLE) tmp |= 0x80; /* double scan for 200 line modes */ |
1da177e4 LT |
974 | write3X4(CRTMaxScanLine, tmp); |
975 | ||
245a2c2c KH |
976 | write3X4(CRTLineCompare, 0xFF); |
977 | write3X4(CRTPRowScan, 0); | |
978 | write3X4(CRTModeControl, 0xC3); | |
1da177e4 | 979 | |
245a2c2c | 980 | write3X4(LinearAddReg, 0x20); /* enable linear addressing */ |
1da177e4 | 981 | |
245a2c2c KH |
982 | tmp = (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84 : 0x80; |
983 | write3X4(CRTCModuleTest, tmp); /* enable access extended memory */ | |
1da177e4 | 984 | |
245a2c2c | 985 | write3X4(GraphEngReg, 0x80); /* enable GE for text acceleration */ |
1da177e4 | 986 | |
245a2c2c KH |
987 | #ifdef CONFIG_FB_TRIDENT_ACCEL |
988 | acc->init_accel(info->var.xres, bpp); | |
8dad46cf | 989 | #endif |
245a2c2c | 990 | |
1da177e4 | 991 | switch (bpp) { |
245a2c2c KH |
992 | case 8: |
993 | tmp = 0x00; | |
994 | break; | |
995 | case 16: | |
996 | tmp = 0x05; | |
997 | break; | |
998 | case 24: | |
999 | tmp = 0x29; | |
1000 | break; | |
1001 | case 32: | |
1002 | tmp = 0x09; | |
1003 | break; | |
1da177e4 LT |
1004 | } |
1005 | ||
1006 | write3X4(PixelBusReg, tmp); | |
1007 | ||
1008 | tmp = 0x10; | |
1009 | if (chipcyber) | |
245a2c2c KH |
1010 | tmp |= 0x20; |
1011 | write3X4(DRAMControl, tmp); /* both IO, linear enable */ | |
1da177e4 LT |
1012 | |
1013 | write3X4(InterfaceSel, read3X4(InterfaceSel) | 0x40); | |
245a2c2c KH |
1014 | write3X4(Performance, 0x92); |
1015 | write3X4(PCIReg, 0x07); /* MMIO & PCI read and write burst enable */ | |
1da177e4 | 1016 | |
3f275ea3 KH |
1017 | /* convert from picoseconds to kHz */ |
1018 | vclk = PICOS2KHZ(info->var.pixclock); | |
1da177e4 | 1019 | if (bpp == 32) |
3f275ea3 KH |
1020 | vclk *= 2; |
1021 | set_vclk(vclk); | |
1da177e4 | 1022 | |
245a2c2c KH |
1023 | write3C4(0, 3); |
1024 | write3C4(1, 1); /* set char clock 8 dots wide */ | |
1025 | write3C4(2, 0x0F); /* enable 4 maps because needed in chain4 mode */ | |
1026 | write3C4(3, 0); | |
1027 | write3C4(4, 0x0E); /* memory mode enable bitmaps ?? */ | |
1da177e4 | 1028 | |
245a2c2c KH |
1029 | write3CE(MiscExtFunc, (bpp == 32) ? 0x1A : 0x12); /* divide clock by 2 if 32bpp */ |
1030 | /* chain4 mode display and CPU path */ | |
1031 | write3CE(0x5, 0x40); /* no CGA compat, allow 256 col */ | |
1032 | write3CE(0x6, 0x05); /* graphics mode */ | |
1033 | write3CE(0x7, 0x0F); /* planes? */ | |
1da177e4 LT |
1034 | |
1035 | if (chip_id == CYBERBLADEXPAi1) { | |
1036 | /* This fixes snow-effect in 32 bpp */ | |
245a2c2c | 1037 | write3X4(CRTHSyncStart, 0x84); |
1da177e4 LT |
1038 | } |
1039 | ||
245a2c2c KH |
1040 | writeAttr(0x10, 0x41); /* graphics mode and support 256 color modes */ |
1041 | writeAttr(0x12, 0x0F); /* planes */ | |
1042 | writeAttr(0x13, 0); /* horizontal pel panning */ | |
1da177e4 | 1043 | |
245a2c2c KH |
1044 | /* colors */ |
1045 | for (tmp = 0; tmp < 0x10; tmp++) | |
1046 | writeAttr(tmp, tmp); | |
1047 | readb(par->io_virt + CRT + 0x0A); /* flip-flop to index */ | |
1048 | t_outb(0x20, 0x3C0); /* enable attr */ | |
1da177e4 LT |
1049 | |
1050 | switch (bpp) { | |
245a2c2c KH |
1051 | case 8: |
1052 | tmp = 0; | |
1053 | break; | |
1054 | case 15: | |
1055 | tmp = 0x10; | |
1056 | break; | |
1057 | case 16: | |
1058 | tmp = 0x30; | |
1059 | break; | |
1060 | case 24: | |
1061 | case 32: | |
1062 | tmp = 0xD0; | |
1063 | break; | |
1da177e4 LT |
1064 | } |
1065 | ||
1066 | t_inb(0x3C8); | |
1067 | t_inb(0x3C6); | |
1068 | t_inb(0x3C6); | |
1069 | t_inb(0x3C6); | |
1070 | t_inb(0x3C6); | |
245a2c2c | 1071 | t_outb(tmp, 0x3C6); |
1da177e4 LT |
1072 | t_inb(0x3C8); |
1073 | ||
1074 | if (flatpanel) | |
1075 | set_number_of_lines(info->var.yres); | |
245a2c2c | 1076 | set_lwidth(info->var.xres * bpp / (4 * 16)); |
1da177e4 | 1077 | info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; |
245a2c2c KH |
1078 | info->fix.line_length = info->var.xres * (bpp >> 3); |
1079 | info->cmap.len = (bpp == 8) ? 256 : 16; | |
1da177e4 LT |
1080 | debug("exit\n"); |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | /* Set one color register */ | |
1085 | static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green, | |
245a2c2c KH |
1086 | unsigned blue, unsigned transp, |
1087 | struct fb_info *info) | |
1da177e4 LT |
1088 | { |
1089 | int bpp = info->var.bits_per_pixel; | |
1090 | ||
1091 | if (regno >= info->cmap.len) | |
1092 | return 1; | |
1093 | ||
973d9ab2 | 1094 | if (bpp == 8) { |
245a2c2c KH |
1095 | t_outb(0xFF, 0x3C6); |
1096 | t_outb(regno, 0x3C8); | |
1da177e4 | 1097 | |
245a2c2c KH |
1098 | t_outb(red >> 10, 0x3C9); |
1099 | t_outb(green >> 10, 0x3C9); | |
1100 | t_outb(blue >> 10, 0x3C9); | |
1da177e4 | 1101 | |
973d9ab2 AD |
1102 | } else if (regno < 16) { |
1103 | if (bpp == 16) { /* RGB 565 */ | |
1104 | u32 col; | |
1105 | ||
1106 | col = (red & 0xF800) | ((green & 0xFC00) >> 5) | | |
1107 | ((blue & 0xF800) >> 11); | |
1108 | col |= col << 16; | |
1109 | ((u32 *)(info->pseudo_palette))[regno] = col; | |
1110 | } else if (bpp == 32) /* ARGB 8888 */ | |
1111 | ((u32*)info->pseudo_palette)[regno] = | |
245a2c2c KH |
1112 | ((transp & 0xFF00) << 16) | |
1113 | ((red & 0xFF00) << 8) | | |
973d9ab2 | 1114 | ((green & 0xFF00)) | |
245a2c2c | 1115 | ((blue & 0xFF00) >> 8); |
973d9ab2 | 1116 | } |
1da177e4 | 1117 | |
245a2c2c | 1118 | /* debug("exit\n"); */ |
1da177e4 LT |
1119 | return 0; |
1120 | } | |
1121 | ||
1122 | /* Try blanking the screen.For flat panels it does nothing */ | |
1123 | static int tridentfb_blank(int blank_mode, struct fb_info *info) | |
1124 | { | |
245a2c2c | 1125 | unsigned char PMCont, DPMSCont; |
1da177e4 LT |
1126 | |
1127 | debug("enter\n"); | |
1128 | if (flatpanel) | |
1129 | return 0; | |
245a2c2c | 1130 | t_outb(0x04, 0x83C8); /* Read DPMS Control */ |
1da177e4 LT |
1131 | PMCont = t_inb(0x83C6) & 0xFC; |
1132 | DPMSCont = read3CE(PowerStatus) & 0xFC; | |
245a2c2c | 1133 | switch (blank_mode) { |
1da177e4 LT |
1134 | case FB_BLANK_UNBLANK: |
1135 | /* Screen: On, HSync: On, VSync: On */ | |
1136 | case FB_BLANK_NORMAL: | |
1137 | /* Screen: Off, HSync: On, VSync: On */ | |
1138 | PMCont |= 0x03; | |
1139 | DPMSCont |= 0x00; | |
1140 | break; | |
1141 | case FB_BLANK_HSYNC_SUSPEND: | |
1142 | /* Screen: Off, HSync: Off, VSync: On */ | |
1143 | PMCont |= 0x02; | |
1144 | DPMSCont |= 0x01; | |
1145 | break; | |
1146 | case FB_BLANK_VSYNC_SUSPEND: | |
1147 | /* Screen: Off, HSync: On, VSync: Off */ | |
1148 | PMCont |= 0x02; | |
1149 | DPMSCont |= 0x02; | |
1150 | break; | |
1151 | case FB_BLANK_POWERDOWN: | |
1152 | /* Screen: Off, HSync: Off, VSync: Off */ | |
1153 | PMCont |= 0x00; | |
1154 | DPMSCont |= 0x03; | |
1155 | break; | |
245a2c2c | 1156 | } |
1da177e4 | 1157 | |
245a2c2c KH |
1158 | write3CE(PowerStatus, DPMSCont); |
1159 | t_outb(4, 0x83C8); | |
1160 | t_outb(PMCont, 0x83C6); | |
1da177e4 LT |
1161 | |
1162 | debug("exit\n"); | |
1163 | ||
1164 | /* let fbcon do a softblank for us */ | |
1165 | return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0; | |
1166 | } | |
1167 | ||
245a2c2c KH |
1168 | static struct fb_ops tridentfb_ops = { |
1169 | .owner = THIS_MODULE, | |
1170 | .fb_setcolreg = tridentfb_setcolreg, | |
1171 | .fb_pan_display = tridentfb_pan_display, | |
1172 | .fb_blank = tridentfb_blank, | |
1173 | .fb_check_var = tridentfb_check_var, | |
1174 | .fb_set_par = tridentfb_set_par, | |
1175 | .fb_fillrect = tridentfb_fillrect, | |
1176 | .fb_copyarea = tridentfb_copyarea, | |
1177 | .fb_imageblit = cfb_imageblit, | |
1178 | }; | |
1179 | ||
1180 | static int __devinit trident_pci_probe(struct pci_dev * dev, | |
1181 | const struct pci_device_id * id) | |
1da177e4 LT |
1182 | { |
1183 | int err; | |
1184 | unsigned char revision; | |
1185 | ||
1186 | err = pci_enable_device(dev); | |
1187 | if (err) | |
1188 | return err; | |
1189 | ||
1190 | chip_id = id->device; | |
1191 | ||
245a2c2c | 1192 | if (chip_id == CYBERBLADEi1) |
9fa68eae KP |
1193 | output("*** Please do use cyblafb, Cyberblade/i1 support " |
1194 | "will soon be removed from tridentfb!\n"); | |
1195 | ||
1196 | ||
1da177e4 | 1197 | /* If PCI id is 0x9660 then further detect chip type */ |
245a2c2c | 1198 | |
1da177e4 | 1199 | if (chip_id == TGUI9660) { |
245a2c2c KH |
1200 | outb(RevisionID, 0x3C4); |
1201 | revision = inb(0x3C5); | |
1202 | ||
1da177e4 | 1203 | switch (revision) { |
245a2c2c KH |
1204 | case 0x22: |
1205 | case 0x23: | |
1206 | chip_id = CYBER9397; | |
1207 | break; | |
1208 | case 0x2A: | |
1209 | chip_id = CYBER9397DVD; | |
1210 | break; | |
1211 | case 0x30: | |
1212 | case 0x33: | |
1213 | case 0x34: | |
1214 | case 0x35: | |
1215 | case 0x38: | |
1216 | case 0x3A: | |
1217 | case 0xB3: | |
1218 | chip_id = CYBER9385; | |
1219 | break; | |
1220 | case 0x40 ... 0x43: | |
1221 | chip_id = CYBER9382; | |
1222 | break; | |
1223 | case 0x4A: | |
1224 | chip_id = CYBER9388; | |
1225 | break; | |
1226 | default: | |
1227 | break; | |
1da177e4 LT |
1228 | } |
1229 | } | |
1230 | ||
1231 | chip3D = is3Dchip(chip_id); | |
1232 | chipcyber = iscyber(chip_id); | |
1233 | ||
1234 | if (is_xp(chip_id)) { | |
1235 | acc = &accel_xp; | |
245a2c2c | 1236 | } else if (is_blade(chip_id)) { |
1da177e4 LT |
1237 | acc = &accel_blade; |
1238 | } else { | |
1239 | acc = &accel_image; | |
1240 | } | |
1241 | ||
1242 | /* acceleration is on by default for 3D chips */ | |
1243 | defaultaccel = chip3D && !noaccel; | |
1244 | ||
1245 | fb_info.par = &default_par; | |
1246 | ||
1247 | /* setup MMIO region */ | |
245a2c2c KH |
1248 | tridentfb_fix.mmio_start = pci_resource_start(dev, 1); |
1249 | tridentfb_fix.mmio_len = chip3D ? 0x20000 : 0x10000; | |
1da177e4 LT |
1250 | |
1251 | if (!request_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len, "tridentfb")) { | |
1252 | debug("request_region failed!\n"); | |
1253 | return -1; | |
1254 | } | |
1255 | ||
1256 | default_par.io_virt = ioremap_nocache(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); | |
1257 | ||
1258 | if (!default_par.io_virt) { | |
1da177e4 | 1259 | debug("ioremap failed\n"); |
e8ed857c KH |
1260 | err = -1; |
1261 | goto out_unmap1; | |
1da177e4 LT |
1262 | } |
1263 | ||
1264 | enable_mmio(); | |
245a2c2c | 1265 | |
1da177e4 | 1266 | /* setup framebuffer memory */ |
245a2c2c | 1267 | tridentfb_fix.smem_start = pci_resource_start(dev, 0); |
1da177e4 | 1268 | tridentfb_fix.smem_len = get_memsize(); |
245a2c2c | 1269 | |
1da177e4 LT |
1270 | if (!request_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len, "tridentfb")) { |
1271 | debug("request_mem_region failed!\n"); | |
e8ed857c | 1272 | disable_mmio(); |
a02f6402 | 1273 | err = -1; |
e8ed857c | 1274 | goto out_unmap1; |
1da177e4 LT |
1275 | } |
1276 | ||
1277 | fb_info.screen_base = ioremap_nocache(tridentfb_fix.smem_start, | |
245a2c2c | 1278 | tridentfb_fix.smem_len); |
1da177e4 LT |
1279 | |
1280 | if (!fb_info.screen_base) { | |
1da177e4 | 1281 | debug("ioremap failed\n"); |
a02f6402 | 1282 | err = -1; |
e8ed857c | 1283 | goto out_unmap2; |
1da177e4 LT |
1284 | } |
1285 | ||
1286 | output("%s board found\n", pci_name(dev)); | |
1da177e4 LT |
1287 | displaytype = get_displaytype(); |
1288 | ||
245a2c2c | 1289 | if (flatpanel) |
1da177e4 LT |
1290 | nativex = get_nativex(); |
1291 | ||
1292 | fb_info.fix = tridentfb_fix; | |
1293 | fb_info.fbops = &tridentfb_ops; | |
1294 | ||
1295 | ||
1296 | fb_info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; | |
1297 | #ifdef CONFIG_FB_TRIDENT_ACCEL | |
1298 | fb_info.flags |= FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; | |
1299 | #endif | |
1300 | fb_info.pseudo_palette = pseudo_pal; | |
1301 | ||
07f41e45 KH |
1302 | if (!fb_find_mode(&default_var, &fb_info, |
1303 | mode_option, NULL, 0, NULL, bpp)) { | |
a02f6402 | 1304 | err = -EINVAL; |
e8ed857c | 1305 | goto out_unmap2; |
a02f6402 | 1306 | } |
e8ed857c KH |
1307 | err = fb_alloc_cmap(&fb_info.cmap, 256, 0); |
1308 | if (err < 0) | |
1309 | goto out_unmap2; | |
1310 | ||
1da177e4 LT |
1311 | if (defaultaccel && acc) |
1312 | default_var.accel_flags |= FB_ACCELF_TEXT; | |
1313 | else | |
1314 | default_var.accel_flags &= ~FB_ACCELF_TEXT; | |
1315 | default_var.activate |= FB_ACTIVATE_NOW; | |
1316 | fb_info.var = default_var; | |
1317 | fb_info.device = &dev->dev; | |
1318 | if (register_framebuffer(&fb_info) < 0) { | |
1319 | printk(KERN_ERR "tridentfb: could not register Trident framebuffer\n"); | |
e8ed857c | 1320 | fb_dealloc_cmap(&fb_info.cmap); |
a02f6402 | 1321 | err = -EINVAL; |
e8ed857c | 1322 | goto out_unmap2; |
1da177e4 LT |
1323 | } |
1324 | output("fb%d: %s frame buffer device %dx%d-%dbpp\n", | |
245a2c2c KH |
1325 | fb_info.node, fb_info.fix.id, default_var.xres, |
1326 | default_var.yres, default_var.bits_per_pixel); | |
1da177e4 | 1327 | return 0; |
a02f6402 | 1328 | |
e8ed857c | 1329 | out_unmap2: |
a02f6402 AL |
1330 | if (fb_info.screen_base) |
1331 | iounmap(fb_info.screen_base); | |
e8ed857c KH |
1332 | release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len); |
1333 | disable_mmio(); | |
1334 | out_unmap1: | |
1335 | if (default_par.io_virt) | |
1336 | iounmap(default_par.io_virt); | |
1337 | release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); | |
a02f6402 | 1338 | return err; |
1da177e4 LT |
1339 | } |
1340 | ||
245a2c2c | 1341 | static void __devexit trident_pci_remove(struct pci_dev *dev) |
1da177e4 LT |
1342 | { |
1343 | struct tridentfb_par *par = (struct tridentfb_par*)fb_info.par; | |
1344 | unregister_framebuffer(&fb_info); | |
1345 | iounmap(par->io_virt); | |
1346 | iounmap(fb_info.screen_base); | |
1347 | release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len); | |
e8ed857c | 1348 | release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); |
1da177e4 LT |
1349 | } |
1350 | ||
1351 | /* List of boards that we are trying to support */ | |
1352 | static struct pci_device_id trident_devices[] = { | |
245a2c2c KH |
1353 | {PCI_VENDOR_ID_TRIDENT, BLADE3D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
1354 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1355 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1356 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1357 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1358 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1359 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1360 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEE4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1361 | {PCI_VENDOR_ID_TRIDENT, TGUI9660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1362 | {PCI_VENDOR_ID_TRIDENT, IMAGE975, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1363 | {PCI_VENDOR_ID_TRIDENT, IMAGE985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1364 | {PCI_VENDOR_ID_TRIDENT, CYBER9320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1365 | {PCI_VENDOR_ID_TRIDENT, CYBER9388, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1366 | {PCI_VENDOR_ID_TRIDENT, CYBER9520, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1367 | {PCI_VENDOR_ID_TRIDENT, CYBER9525DVD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1368 | {PCI_VENDOR_ID_TRIDENT, CYBER9397, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1369 | {PCI_VENDOR_ID_TRIDENT, CYBER9397DVD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1370 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPAi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1371 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1372 | {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm16, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1da177e4 | 1373 | {0,} |
245a2c2c KH |
1374 | }; |
1375 | ||
1376 | MODULE_DEVICE_TABLE(pci, trident_devices); | |
1da177e4 LT |
1377 | |
1378 | static struct pci_driver tridentfb_pci_driver = { | |
245a2c2c KH |
1379 | .name = "tridentfb", |
1380 | .id_table = trident_devices, | |
1381 | .probe = trident_pci_probe, | |
1382 | .remove = __devexit_p(trident_pci_remove) | |
1da177e4 LT |
1383 | }; |
1384 | ||
1385 | /* | |
1386 | * Parse user specified options (`video=trident:') | |
1387 | * example: | |
245a2c2c | 1388 | * video=trident:800x600,bpp=16,noaccel |
1da177e4 LT |
1389 | */ |
1390 | #ifndef MODULE | |
07f41e45 | 1391 | static int __init tridentfb_setup(char *options) |
1da177e4 | 1392 | { |
245a2c2c | 1393 | char *opt; |
1da177e4 LT |
1394 | if (!options || !*options) |
1395 | return 0; | |
245a2c2c KH |
1396 | while ((opt = strsep(&options, ",")) != NULL) { |
1397 | if (!*opt) | |
1398 | continue; | |
1399 | if (!strncmp(opt, "noaccel", 7)) | |
1da177e4 | 1400 | noaccel = 1; |
245a2c2c | 1401 | else if (!strncmp(opt, "fp", 2)) |
1da177e4 | 1402 | displaytype = DISPLAY_FP; |
245a2c2c | 1403 | else if (!strncmp(opt, "crt", 3)) |
1da177e4 | 1404 | displaytype = DISPLAY_CRT; |
245a2c2c KH |
1405 | else if (!strncmp(opt, "bpp=", 4)) |
1406 | bpp = simple_strtoul(opt + 4, NULL, 0); | |
1407 | else if (!strncmp(opt, "center", 6)) | |
1da177e4 | 1408 | center = 1; |
245a2c2c | 1409 | else if (!strncmp(opt, "stretch", 7)) |
1da177e4 | 1410 | stretch = 1; |
245a2c2c KH |
1411 | else if (!strncmp(opt, "memsize=", 8)) |
1412 | memsize = simple_strtoul(opt + 8, NULL, 0); | |
1413 | else if (!strncmp(opt, "memdiff=", 8)) | |
1414 | memdiff = simple_strtoul(opt + 8, NULL, 0); | |
1415 | else if (!strncmp(opt, "nativex=", 8)) | |
1416 | nativex = simple_strtoul(opt + 8, NULL, 0); | |
1da177e4 | 1417 | else |
07f41e45 | 1418 | mode_option = opt; |
1da177e4 LT |
1419 | } |
1420 | return 0; | |
1421 | } | |
1422 | #endif | |
1423 | ||
1424 | static int __init tridentfb_init(void) | |
1425 | { | |
1426 | #ifndef MODULE | |
1427 | char *option = NULL; | |
1428 | ||
1429 | if (fb_get_options("tridentfb", &option)) | |
1430 | return -ENODEV; | |
1431 | tridentfb_setup(option); | |
1432 | #endif | |
1433 | output("Trident framebuffer %s initializing\n", VERSION); | |
1434 | return pci_register_driver(&tridentfb_pci_driver); | |
1435 | } | |
1436 | ||
1437 | static void __exit tridentfb_exit(void) | |
1438 | { | |
1439 | pci_unregister_driver(&tridentfb_pci_driver); | |
1440 | } | |
1441 | ||
1da177e4 LT |
1442 | module_init(tridentfb_init); |
1443 | module_exit(tridentfb_exit); | |
1444 | ||
1445 | MODULE_AUTHOR("Jani Monoses <jani@iv.ro>"); | |
1446 | MODULE_DESCRIPTION("Framebuffer driver for Trident cards"); | |
1447 | MODULE_LICENSE("GPL"); | |
1448 |