machfb.c revision 1.14 1 /* $NetBSD: machfb.c,v 1.14 2003/06/29 22:30:25 fvdl Exp $ */
2
3 /*
4 * Copyright (c) 2002 Bang Jun-Young
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 /*
31 * Some code is derived from ATI Rage Pro and Derivatives Programmer's Guide.
32 */
33
34 #include <sys/cdefs.h>
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41 #include <sys/callout.h>
42
43 #ifdef __sparc__
44 #include <machine/openfirm.h>
45 #endif
46
47 #include <dev/ic/videomode.h>
48
49 #include <dev/pci/pcivar.h>
50 #include <dev/pci/pcireg.h>
51 #include <dev/pci/pcidevs.h>
52 #include <dev/pci/pciio.h>
53 #include <dev/pci/machfbreg.h>
54
55 #include <dev/wscons/wsdisplayvar.h>
56 #include <dev/wscons/wsconsio.h>
57 #include <dev/wsfont/wsfont.h>
58 #include <dev/rasops/rasops.h>
59
60 #define MACH64_REG_SIZE 1024
61 #define MACH64_REG_OFF 0x7ffc00
62
63 #define NBARS 3 /* number of Mach64 PCI BARs */
64
65 struct vga_bar {
66 bus_addr_t vb_base;
67 bus_size_t vb_size;
68 pcireg_t vb_type;
69 int vb_flags;
70 };
71
72 struct mach64_softc {
73 struct device sc_dev;
74 pci_chipset_tag_t sc_pc;
75 pcitag_t sc_pcitag;
76
77 struct vga_bar sc_bars[NBARS];
78 struct vga_bar sc_rom;
79
80 #define sc_aperbase sc_bars[0].vb_base
81 #define sc_apersize sc_bars[0].vb_size
82
83 #define sc_iobase sc_bars[1].vb_base
84 #define sc_iosize sc_bars[1].vb_size
85
86 #define sc_regbase sc_bars[2].vb_base
87 #define sc_regsize sc_bars[2].vb_size
88
89 bus_space_tag_t sc_regt;
90 bus_space_tag_t sc_memt;
91 bus_space_handle_t sc_regh;
92 bus_space_handle_t sc_memh;
93
94 size_t memsize;
95 int memtype;
96
97 int has_dsp;
98 int bits_per_pixel;
99 int max_x, max_y;
100 int virt_x, virt_y;
101 int color_depth;
102
103 int mem_freq;
104 int ramdac_freq;
105 int ref_freq;
106
107 int ref_div;
108 int log2_vclk_post_div;
109 int vclk_post_div;
110 int vclk_fb_div;
111 int mclk_post_div;
112 int mclk_fb_div;
113
114 struct mach64screen *wanted;
115 struct mach64screen *active;
116 void (*switchcb)(void *, int, int);
117 void *switchcbarg;
118 struct callout switch_callout;
119 LIST_HEAD(, mach64screen) screens;
120 const struct wsscreen_descr *currenttype;
121 };
122
123 struct mach64screen {
124 struct rasops_info ri;
125 LIST_ENTRY(mach64screen) next;
126 struct mach64_softc *sc;
127 const struct wsscreen_descr *type;
128 int active;
129 u_int16_t *mem;
130 int dispoffset;
131 int mindispoffset;
132 int maxdispoffset;
133
134 int cursoron;
135 int cursorcol;
136 int cursorrow;
137 u_int16_t cursortmp;
138 };
139
140 struct mach64_crtcregs {
141 u_int32_t h_total_disp;
142 u_int32_t h_sync_strt_wid;
143 u_int32_t v_total_disp;
144 u_int32_t v_sync_strt_wid;
145 u_int32_t gen_cntl;
146 u_int32_t clock_cntl;
147 u_int32_t color_depth;
148 u_int32_t dot_clock;
149 };
150
151 struct {
152 u_int16_t chip_id;
153 u_int32_t ramdac_freq;
154 } mach64_info[] = {
155 { PCI_PRODUCT_ATI_MACH64_CT, 135000 },
156 { PCI_PRODUCT_ATI_RAGE_PRO_AGP, 230000 },
157 { PCI_PRODUCT_ATI_RAGE_PRO_AGP1X, 230000 },
158 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_B, 230000 },
159 { PCI_PRODUCT_ATI_RAGE_XL_AGP, 230000 },
160 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_P, 230000 },
161 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_L, 230000 },
162 { PCI_PRODUCT_ATI_RAGE_XL_PCI, 230000 },
163 { PCI_PRODUCT_ATI_RAGE_II, 135000 },
164 { PCI_PRODUCT_ATI_RAGE_IIP, 200000 },
165 { PCI_PRODUCT_ATI_RAGE_IIC_PCI, 230000 },
166 { PCI_PRODUCT_ATI_RAGE_IIC_AGP_B, 230000 },
167 { PCI_PRODUCT_ATI_RAGE_IIC_AGP_P, 230000 },
168 { PCI_PRODUCT_ATI_RAGE_LT_PRO_AGP, 230000 },
169 { PCI_PRODUCT_ATI_RAGE_MOB_M3_PCI, 230000 },
170 { PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP, 230000 },
171 { PCI_PRODUCT_ATI_RAGE_LT, 230000 },
172 { PCI_PRODUCT_ATI_RAGE_LT_PRO_PCI, 230000 },
173 { PCI_PRODUCT_ATI_RAGE_MOBILITY, 230000 },
174 { PCI_PRODUCT_ATI_RAGE_LT_PRO, 230000 },
175 { PCI_PRODUCT_ATI_MACH64_VT, 170000 },
176 { PCI_PRODUCT_ATI_MACH64_VTB, 200000 },
177 { PCI_PRODUCT_ATI_MACH64_VT4, 230000 }
178 };
179
180 static int mach64_chip_id, mach64_chip_rev;
181 static struct videomode default_mode;
182 static struct mach64screen mach64_console_screen;
183
184 static char *mach64_memtype_names[] = {
185 "(N/A)", "DRAM", "EDO DRAM", "EDO DRAM", "SDRAM", "SGRAM", "WRAM",
186 "(unknown type)"
187 };
188
189 struct videomode mach64_modes[] = {
190 /* 640x400 @ 70 Hz, 31.5 kHz */
191 { 25175, 640, 664, 760, 800, 400, 409, 411, 450, 0 },
192 /* 640x480 @ 72 Hz, 36.5 kHz */
193 { 25175, 640, 664, 760, 800, 480, 491, 493, 525, 0 },
194 /* 800x600 @ 72 Hz, 48.0 kHz */
195 { 50000, 800, 856, 976, 1040, 600, 637, 643, 666,
196 VID_PHSYNC | VID_PVSYNC },
197 /* 1024x768 @ 70 Hz, 56.5 kHz */
198 { 75000, 1024, 1048, 1184, 1328, 768, 771, 777, 806,
199 VID_NHSYNC | VID_NVSYNC },
200 /* 1152x864 @ 70 Hz, 62.4 kHz */
201 { 92000, 1152, 1208, 1368, 1474, 864, 865, 875, 895, 0 },
202 /* 1280x1024 @ 70 Hz, 74.59 kHz */
203 { 126500, 1280, 1312, 1472, 1696, 1024, 1032, 1040, 1068,
204 VID_NHSYNC | VID_NVSYNC }
205 };
206
207 /* FIXME values are wrong! */
208 const u_char mach64_cmap[16 * 3] = {
209 0x00, 0x00, 0x00, /* black */
210 0x7f, 0x00, 0x00, /* red */
211 0x00, 0x7f, 0x00, /* green */
212 0x7f, 0x7f, 0x00, /* brown */
213 0x00, 0x00, 0x7f, /* blue */
214 0x7f, 0x00, 0x7f, /* magenta */
215 0x00, 0x7f, 0x7f, /* cyan */
216 0xff, 0xff, 0xff, /* white */
217
218 0x7f, 0x7f, 0x7f, /* black */
219 0xff, 0x00, 0x00, /* red */
220 0x00, 0xff, 0x00, /* green */
221 0xff, 0xff, 0x00, /* brown */
222 0x00, 0x00, 0xff, /* blue */
223 0xff, 0x00, 0xff, /* magenta */
224 0x00, 0xff, 0xff, /* cyan */
225 0xff, 0xff, 0xff, /* white */
226 };
227
228 int mach64_match(struct device *, struct cfdata *, void *);
229 void mach64_attach(struct device *, struct device *, void *);
230
231 CFATTACH_DECL(machfb, sizeof(struct mach64_softc), mach64_match, mach64_attach,
232 NULL, NULL);
233
234 void mach64_init(struct mach64_softc *);
235 int mach64_get_memsize(struct mach64_softc *);
236 int mach64_get_max_ramdac(struct mach64_softc *);
237 void mach64_get_mode(struct mach64_softc *, struct videomode *);
238 int mach64_calc_crtcregs(struct mach64_softc *, struct mach64_crtcregs *,
239 struct videomode *);
240 void mach64_set_crtcregs(struct mach64_softc *, struct mach64_crtcregs *);
241 int mach64_modeswitch(struct mach64_softc *, struct videomode *);
242 void mach64_set_dsp(struct mach64_softc *);
243 void mach64_set_pll(struct mach64_softc *, int);
244 void mach64_reset_engine(struct mach64_softc *);
245 void mach64_init_engine(struct mach64_softc *);
246 void mach64_adjust_frame(struct mach64_softc *, int, int);
247 void mach64_init_lut(struct mach64_softc *);
248 void mach64_switch_screen(struct mach64_softc *);
249 void mach64_init_screen(struct mach64_softc *, struct mach64screen *,
250 const struct wsscreen_descr *, int, long *, int);
251 void mach64_restore_screen(struct mach64screen *,
252 const struct wsscreen_descr *, u_int16_t *);
253 int mach64_set_screentype(struct mach64_softc *,
254 const struct wsscreen_descr *);
255 int mach64_is_console(struct pci_attach_args *);
256
257 void mach64_cursor(void *, int, int, int);
258 int mach64_mapchar(void *, int, u_int *);
259 void mach64_putchar(void *, int, int, u_int, long);
260 void mach64_copycols(void *, int, int, int, int);
261 void mach64_erasecols(void *, int, int, int, long);
262 void mach64_copyrows(void *, int, int, int);
263 void mach64_eraserows(void *, int, int, long);
264 int mach64_allocattr(void *, int, int, int, long *);
265
266 #if 0
267 const struct wsdisplay_emulops mach64_emulops = {
268 mach64_cursor,
269 mach64_mapchar,
270 mach64_putchar,
271 mach64_copycols,
272 mach64_erasecols,
273 mach64_copyrows,
274 mach64_eraserows,
275 mach64_allocattr,
276 };
277 #endif
278
279 struct wsscreen_descr mach64_defaultscreen = {
280 "default",
281 0, 0,
282 &mach64_console_screen.ri.ri_ops,
283 8, 16,
284 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
285 &default_mode
286 }, mach64_80x25_screen = {
287 "80x25", 80, 25,
288 &mach64_console_screen.ri.ri_ops,
289 8, 16,
290 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
291 &mach64_modes[0]
292 }, mach64_80x30_screen = {
293 "80x30", 80, 30,
294 &mach64_console_screen.ri.ri_ops,
295 8, 16,
296 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
297 &mach64_modes[1]
298 }, mach64_80x40_screen = {
299 "80x40", 80, 40,
300 &mach64_console_screen.ri.ri_ops,
301 8, 10,
302 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
303 &mach64_modes[0]
304 }, mach64_80x50_screen = {
305 "80x50", 80, 50,
306 &mach64_console_screen.ri.ri_ops,
307 8, 8,
308 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
309 &mach64_modes[0]
310 }, mach64_100x37_screen = {
311 "100x37", 100, 37,
312 &mach64_console_screen.ri.ri_ops,
313 8, 16,
314 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
315 &mach64_modes[2]
316 }, mach64_128x48_screen = {
317 "128x48", 128, 48,
318 &mach64_console_screen.ri.ri_ops,
319 8, 16,
320 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
321 &mach64_modes[3]
322 }, mach64_144x54_screen = {
323 "144x54", 144, 54,
324 &mach64_console_screen.ri.ri_ops,
325 8, 16,
326 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
327 &mach64_modes[4]
328 }, mach64_160x64_screen = {
329 "160x54", 160, 64,
330 &mach64_console_screen.ri.ri_ops,
331 8, 16,
332 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
333 &mach64_modes[5]
334 };
335
336 const struct wsscreen_descr *_mach64_scrlist[] = {
337 &mach64_defaultscreen,
338 &mach64_80x25_screen,
339 &mach64_80x30_screen,
340 &mach64_80x40_screen,
341 &mach64_80x50_screen,
342 &mach64_100x37_screen,
343 &mach64_128x48_screen,
344 &mach64_144x54_screen,
345 &mach64_160x64_screen
346 };
347
348 struct wsscreen_list mach64_screenlist = {
349 sizeof(_mach64_scrlist) / sizeof(struct wsscreen_descr *),
350 _mach64_scrlist
351 };
352
353 int mach64_ioctl(void *, u_long, caddr_t, int, struct proc *);
354 paddr_t mach64_mmap(void *, off_t, int);
355 int mach64_alloc_screen(void *, const struct wsscreen_descr *, void **,
356 int *, int *, long *);
357 void mach64_free_screen(void *, void *);
358 int mach64_show_screen(void *, void *, int, void (*)(void *, int, int),
359 void *);
360 int mach64_load_font(void *, void *, struct wsdisplay_font *);
361
362 struct wsdisplay_accessops mach64_accessops = {
363 mach64_ioctl,
364 mach64_mmap,
365 mach64_alloc_screen,
366 mach64_free_screen,
367 mach64_show_screen,
368 NULL
369 };
370
371 /*
372 * Inline functions for getting access to register aperture.
373 */
374 static inline u_int32_t regr(struct mach64_softc *, u_int32_t);
375 static inline u_int8_t regrb(struct mach64_softc *, u_int32_t);
376 static inline void regw(struct mach64_softc *, u_int32_t, u_int32_t);
377 static inline void regwb(struct mach64_softc *, u_int32_t, u_int8_t);
378 static inline void regwb_pll(struct mach64_softc *, u_int32_t, u_int8_t);
379
380 static inline u_int32_t
381 regr(struct mach64_softc *sc, u_int32_t index)
382 {
383
384 return bus_space_read_4(sc->sc_regt, sc->sc_regh, index);
385 }
386
387 static inline u_int8_t
388 regrb(struct mach64_softc *sc, u_int32_t index)
389 {
390
391 return bus_space_read_1(sc->sc_regt, sc->sc_regh, index);
392 }
393
394 static inline void
395 regw(struct mach64_softc *sc, u_int32_t index, u_int32_t data)
396 {
397
398 bus_space_write_4(sc->sc_regt, sc->sc_regh, index, data);
399 }
400
401 static inline void
402 regwb(struct mach64_softc *sc, u_int32_t index, u_int8_t data)
403 {
404
405 bus_space_write_1(sc->sc_regt, sc->sc_regh, index, data);
406 }
407
408 static inline void
409 regwb_pll(struct mach64_softc *sc, u_int32_t index, u_int8_t data)
410 {
411
412 regwb(sc, CLOCK_CNTL + 1, (index << 2) | PLL_WR_EN);
413 regwb(sc, CLOCK_CNTL + 2, data);
414 regwb(sc, CLOCK_CNTL + 1, (index << 2) & ~PLL_WR_EN);
415 }
416
417 static inline void
418 wait_for_fifo(struct mach64_softc *sc, u_int8_t v)
419 {
420
421 while ((regr(sc, FIFO_STAT) & 0xffff) > (0x8000 >> v))
422 ;
423 }
424
425 static inline void
426 wait_for_idle(struct mach64_softc *sc)
427 {
428
429 wait_for_fifo(sc, 16);
430 while ((regr(sc, GUI_STAT) & 1) != 0)
431 ;
432 }
433
434 int
435 mach64_match(struct device *parent, struct cfdata *match, void *aux)
436 {
437 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
438 int i;
439
440 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY ||
441 PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_DISPLAY_VGA)
442 return 0;
443
444 for (i = 0; i < sizeof(mach64_info) / sizeof(mach64_info[0]); i++)
445 if (PCI_PRODUCT(pa->pa_id) == mach64_info[i].chip_id) {
446 mach64_chip_id = PCI_PRODUCT(pa->pa_id);
447 mach64_chip_rev = PCI_REVISION(pa->pa_class);
448 return 1;
449 }
450
451 return 0;
452 }
453
454 void
455 mach64_attach(struct device *parent, struct device *self, void *aux)
456 {
457 struct mach64_softc *sc = (void *)self;
458 struct pci_attach_args *pa = aux;
459 char devinfo[256];
460 int bar, reg, id;
461 struct wsemuldisplaydev_attach_args aa;
462 long defattr;
463 int setmode, console;
464
465 sc->sc_pc = pa->pa_pc;
466 sc->sc_pcitag = pa->pa_tag;
467
468 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
469 printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
470
471 for (bar = 0; bar < NBARS; bar++) {
472 reg = PCI_MAPREG_START + (bar * 4);
473 sc->sc_bars[bar].vb_type = pci_mapreg_type(sc->sc_pc,
474 sc->sc_pcitag, reg);
475 (void)pci_mapreg_info(sc->sc_pc, sc->sc_pcitag, reg,
476 sc->sc_bars[bar].vb_type, &sc->sc_bars[bar].vb_base,
477 &sc->sc_bars[bar].vb_size, &sc->sc_bars[bar].vb_flags);
478 }
479 sc->sc_memt = pa->pa_memt;
480
481 mach64_init(sc);
482
483 printf("%s: %d MB aperture at 0x%08x, %d KB registers at 0x%08x\n",
484 sc->sc_dev.dv_xname, (u_int)(sc->sc_apersize / (1024 * 1024)),
485 (u_int)sc->sc_aperbase, (u_int)(sc->sc_regsize / 1024),
486 (u_int)sc->sc_regbase);
487
488 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_CT ||
489 ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
490 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
491 (mach64_chip_rev & 0x07) == 0))
492 sc->has_dsp = 0;
493 else
494 sc->has_dsp = 1;
495
496 sc->memsize = mach64_get_memsize(sc);
497 if (sc->memsize == 8192)
498 /* The last page is used as register aperture. */
499 sc->memsize -= 4;
500 sc->memtype = regr(sc, CONFIG_STAT0) & 0x07;
501
502 /* XXX is there any way to calculate reference frequency from
503 known values? */
504 if (mach64_chip_id == PCI_PRODUCT_ATI_RAGE_XL_PCI)
505 sc->ref_freq = 29498;
506 else
507 sc->ref_freq = 14318;
508
509 regwb(sc, CLOCK_CNTL + 1, PLL_REF_DIV << 2);
510 sc->ref_div = regrb(sc, CLOCK_CNTL + 2);
511 regwb(sc, CLOCK_CNTL + 1, MCLK_FB_DIV << 2);
512 sc->mclk_fb_div = regrb(sc, CLOCK_CNTL + 2);
513 sc->mem_freq = (2 * sc->ref_freq * sc->mclk_fb_div) /
514 (sc->ref_div * 2);
515 sc->mclk_post_div = (sc->mclk_fb_div * 2 * sc->ref_freq) /
516 (sc->mem_freq * sc->ref_div);
517 sc->ramdac_freq = mach64_get_max_ramdac(sc);
518 printf("%s: %ld KB %s %d.%d MHz, maximum RAMDAC clock %d MHz\n",
519 sc->sc_dev.dv_xname, (u_long)sc->memsize,
520 mach64_memtype_names[sc->memtype],
521 sc->mem_freq / 1000, sc->mem_freq % 1000,
522 sc->ramdac_freq / 1000);
523
524 id = regr(sc, CONFIG_CHIP_ID) & 0xffff;
525 if (id != mach64_chip_id) {
526 printf("%s: chip ID mismatch, 0x%x != 0x%x\n",
527 sc->sc_dev.dv_xname, id, mach64_chip_id);
528 return;
529 }
530
531 console = mach64_is_console(pa);
532
533 #ifdef __sparc__
534 if (console) {
535 mach64_get_mode(sc, &default_mode);
536 setmode = 0;
537 } else {
538 memcpy(&default_mode, &mach64_modes[4], sizeof(struct videomode));
539 setmode = 1;
540 }
541 #else
542 memcpy(&default_mode, &mach64_modes[0], sizeof(struct videomode));
543 setmode = 1;
544 #endif
545
546 sc->bits_per_pixel = 8;
547 sc->virt_x = default_mode.hdisplay;
548 sc->virt_y = default_mode.vdisplay;
549 sc->max_x = sc->virt_x - 1;
550 sc->max_y = (sc->memsize * 1024) /
551 (sc->virt_x * (sc->bits_per_pixel / 8)) - 1;
552
553 sc->color_depth = CRTC_PIX_WIDTH_8BPP;
554
555 mach64_init_engine(sc);
556 #if 0
557 mach64_adjust_frame(0, 0);
558 if (sc->bits_per_pixel == 8)
559 mach64_init_lut(sc);
560 #endif
561
562 printf("%s: initial resolution %dx%d at %d bpp\n", sc->sc_dev.dv_xname,
563 default_mode.hdisplay, default_mode.vdisplay,
564 sc->bits_per_pixel);
565
566 mach64_console_screen.ri.ri_hw = sc;
567 mach64_console_screen.ri.ri_depth = sc->bits_per_pixel;
568 mach64_console_screen.ri.ri_bits = (void*)(u_long)sc->sc_aperbase;
569 mach64_console_screen.ri.ri_width = default_mode.hdisplay;
570 mach64_console_screen.ri.ri_height = default_mode.vdisplay;
571 mach64_console_screen.ri.ri_stride = mach64_console_screen.ri.ri_width;
572 mach64_console_screen.ri.ri_flg = RI_CLEAR;
573
574 rasops_init(&mach64_console_screen.ri, mach64_console_screen.ri.ri_height / 16,
575 mach64_console_screen.ri.ri_width / 8);
576
577 mach64_defaultscreen.nrows = mach64_console_screen.ri.ri_rows;
578 mach64_defaultscreen.ncols = mach64_console_screen.ri.ri_cols;
579
580 mach64_console_screen.ri.ri_ops.allocattr(&mach64_console_screen.ri, 0, 0, 0,
581 &defattr);
582
583 /* Initialize fonts */
584 wsfont_init();
585
586 if (console) {
587 mach64_init_screen(sc, &mach64_console_screen,
588 &mach64_defaultscreen, 1, &defattr, setmode);
589 wsdisplay_cnattach(&mach64_defaultscreen, &mach64_console_screen.ri,
590 0, 0, defattr);
591 }
592
593 aa.console = console;
594 aa.scrdata = &mach64_screenlist;
595 aa.accessops = &mach64_accessops;
596 aa.accesscookie = sc;
597
598 config_found(self, &aa, wsemuldisplaydevprint);
599 }
600
601 void
602 mach64_init_screen(struct mach64_softc *sc, struct mach64screen *scr,
603 const struct wsscreen_descr *type, int existing, long *attrp, int setmode)
604 {
605
606 scr->sc = sc;
607 scr->type = type;
608 scr->mindispoffset = 0;
609 scr->maxdispoffset = sc->memsize * 1024;
610 scr->dispoffset = 0;
611 scr->cursorcol = 0;
612 scr->cursorrow = 0;
613
614 scr->mem = (u_int16_t *)malloc(type->nrows * type->ncols * 2,
615 M_DEVBUF, M_WAITOK);
616 if (existing) {
617 scr->active = 1;
618
619 if (setmode && mach64_set_screentype(sc, type)) {
620 panic("%s: failed to switch video mode",
621 sc->sc_dev.dv_xname);
622 }
623 } else {
624 scr->active = 0;
625 }
626
627 LIST_INSERT_HEAD(&sc->screens, scr, next);
628 }
629
630 void
631 mach64_init(struct mach64_softc *sc)
632 {
633 u_int32_t *p32, saved_value;
634 u_int8_t *p;
635 int need_swap;
636
637 if (bus_space_map(sc->sc_memt, sc->sc_aperbase, sc->sc_apersize,
638 BUS_SPACE_MAP_LINEAR, &sc->sc_memh)) {
639 panic("%s: failed to map aperture", sc->sc_dev.dv_xname);
640 }
641 sc->sc_aperbase = (vaddr_t)bus_space_vaddr(sc->sc_memt, sc->sc_memh);
642
643 sc->sc_regt = sc->sc_memt;
644 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF,
645 sc->sc_regsize, &sc->sc_regh);
646 sc->sc_regbase = sc->sc_aperbase + 0x7ffc00;
647
648 /*
649 * Test wether the aperture is byte swapped or not
650 */
651 p32 = (u_int32_t*)(u_long)sc->sc_aperbase;
652 saved_value = *p32;
653 p = (u_int8_t*)(u_long)sc->sc_aperbase;
654 *p32 = 0x12345678;
655 if (p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)
656 need_swap = 0;
657 else
658 need_swap = 1;
659 if (need_swap) {
660 sc->sc_aperbase += 0x800000;
661 sc->sc_apersize -= 0x800000;
662 }
663 *p32 = saved_value;
664
665 LIST_INIT(&sc->screens);
666 sc->active = NULL;
667 sc->currenttype = &mach64_defaultscreen;
668 callout_init(&sc->switch_callout);
669 }
670
671 int
672 mach64_get_memsize(struct mach64_softc *sc)
673 {
674 int tmp, memsize;
675 int mem_tab[] = {
676 512, 1024, 2048, 4096, 6144, 8192, 12288, 16384
677 };
678
679 tmp = regr(sc, MEM_CNTL);
680 if (sc->has_dsp) {
681 tmp &= 0x0000000f;
682 if (tmp < 8)
683 memsize = (tmp + 1) * 512;
684 else if (tmp < 12)
685 memsize = (tmp - 3) * 1024;
686 else
687 memsize = (tmp - 7) * 2048;
688 } else {
689 memsize = mem_tab[tmp & 0x07];
690 }
691
692 return memsize;
693 }
694
695 int
696 mach64_get_max_ramdac(struct mach64_softc *sc)
697 {
698 int i;
699
700 if ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
701 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
702 (mach64_chip_rev & 0x07))
703 return 170000;
704
705 for (i = 0; i < sizeof(mach64_info) / sizeof(mach64_info[0]); i++)
706 if (mach64_chip_id == mach64_info[i].chip_id)
707 return mach64_info[i].ramdac_freq;
708
709 if (sc->bits_per_pixel == 8)
710 return 135000;
711 else
712 return 80000;
713 }
714
715 void
716 mach64_get_mode(struct mach64_softc *sc, struct videomode *mode)
717 {
718 struct mach64_crtcregs crtc;
719
720 crtc.h_total_disp = regr(sc, CRTC_H_TOTAL_DISP);
721 crtc.h_sync_strt_wid = regr(sc, CRTC_H_SYNC_STRT_WID);
722 crtc.v_total_disp = regr(sc, CRTC_V_TOTAL_DISP);
723 crtc.v_sync_strt_wid = regr(sc, CRTC_V_SYNC_STRT_WID);
724
725 mode->htotal = ((crtc.h_total_disp & 0xffff) + 1) << 3;
726 mode->hdisplay = ((crtc.h_total_disp >> 16) + 1) << 3;
727 mode->hsync_start = ((crtc.h_sync_strt_wid & 0xffff) + 1) << 3;
728 mode->hsync_end = ((crtc.h_sync_strt_wid >> 16) << 3) +
729 mode->hsync_start;
730 mode->vtotal = (crtc.v_total_disp & 0xffff) + 1;
731 mode->vdisplay = (crtc.v_total_disp >> 16) + 1;
732 mode->vsync_start = (crtc.v_sync_strt_wid & 0xffff) + 1;
733 mode->vsync_end = (crtc.v_sync_strt_wid >> 16) + mode->vsync_start;
734
735 #ifdef MACH64_DEBUG
736 printf("mach64_get_mode: %d %d %d %d %d %d %d %d\n",
737 mode->hdisplay, mode->hsync_start, mode->hsync_end, mode->htotal,
738 mode->vdisplay, mode->vsync_start, mode->vsync_end, mode->vtotal);
739 #endif
740 }
741
742 int
743 mach64_calc_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc,
744 struct videomode *mode)
745 {
746
747 if (mode->dot_clock > sc->ramdac_freq)
748 /* Clock too high. */
749 return 1;
750
751 crtc->h_total_disp = (((mode->hdisplay >> 3) - 1) << 16) |
752 ((mode->htotal >> 3) - 1);
753 crtc->h_sync_strt_wid =
754 (((mode->hsync_end - mode->hsync_start) >> 3) << 16) |
755 ((mode->hsync_start >> 3) - 1);
756
757 crtc->v_total_disp = ((mode->vdisplay - 1) << 16) |
758 (mode->vtotal - 1);
759 crtc->v_sync_strt_wid =
760 ((mode->vsync_end - mode->vsync_start) << 16) |
761 (mode->vsync_start - 1);
762
763 if (mode->flags & VID_NVSYNC)
764 crtc->v_sync_strt_wid |= CRTC_VSYNC_NEG;
765
766 switch (sc->bits_per_pixel) {
767 case 8:
768 crtc->color_depth = CRTC_PIX_WIDTH_8BPP;
769 break;
770 case 16:
771 crtc->color_depth = CRTC_PIX_WIDTH_16BPP;
772 break;
773 case 32:
774 crtc->color_depth = CRTC_PIX_WIDTH_32BPP;
775 break;
776 }
777
778 crtc->gen_cntl = 0;
779 if (mode->flags & VID_INTERLACE)
780 crtc->gen_cntl |= CRTC_INTERLACE_EN;
781 if (mode->flags & VID_CSYNC)
782 crtc->gen_cntl |= CRTC_CSYNC_EN;
783
784 crtc->dot_clock = mode->dot_clock;
785
786 return 0;
787 }
788
789 void
790 mach64_set_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc)
791 {
792
793 mach64_set_pll(sc, crtc->dot_clock);
794
795 if (sc->has_dsp)
796 mach64_set_dsp(sc);
797
798 regw(sc, CRTC_H_TOTAL_DISP, crtc->h_total_disp);
799 regw(sc, CRTC_H_SYNC_STRT_WID, crtc->h_sync_strt_wid);
800 regw(sc, CRTC_V_TOTAL_DISP, crtc->v_total_disp);
801 regw(sc, CRTC_V_SYNC_STRT_WID, crtc->v_sync_strt_wid);
802
803 regw(sc, CRTC_VLINE_CRNT_VLINE, 0);
804
805 regw(sc, CRTC_OFF_PITCH, (sc->virt_x >> 3) << 22);
806
807 regw(sc, CRTC_GEN_CNTL, crtc->gen_cntl | crtc->color_depth |
808 CRTC_EXT_DISP_EN | CRTC_EXT_EN);
809 }
810
811 int
812 mach64_modeswitch(struct mach64_softc *sc, struct videomode *mode)
813 {
814 struct mach64_crtcregs crtc;
815
816 if (mach64_calc_crtcregs(sc, &crtc, mode))
817 return 1;
818
819 mach64_set_crtcregs(sc, &crtc);
820 return 0;
821 }
822
823 void
824 mach64_reset_engine(struct mach64_softc *sc)
825 {
826
827 /* Reset engine.*/
828 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) & ~GUI_ENGINE_ENABLE);
829
830 /* Enable engine. */
831 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) | GUI_ENGINE_ENABLE);
832
833 /* Ensure engine is not locked up by clearing any FIFO or
834 host errors. */
835 regw(sc, BUS_CNTL, regr(sc, BUS_CNTL) | BUS_HOST_ERR_ACK |
836 BUS_FIFO_ERR_ACK);
837 }
838
839 void
840 mach64_init_engine(struct mach64_softc *sc)
841 {
842 u_int32_t pitch_value;
843
844 pitch_value = sc->virt_x;
845
846 if (sc->bits_per_pixel == 24)
847 pitch_value *= 3;
848
849 mach64_reset_engine(sc);
850
851 wait_for_fifo(sc, 14);
852
853 regw(sc, CONTEXT_MASK, 0xffffffff);
854
855 regw(sc, DST_OFF_PITCH, (pitch_value / 8) << 22);
856
857 regw(sc, DST_Y_X, 0);
858 regw(sc, DST_HEIGHT, 0);
859 regw(sc, DST_BRES_ERR, 0);
860 regw(sc, DST_BRES_INC, 0);
861 regw(sc, DST_BRES_DEC, 0);
862
863 regw(sc, DST_CNTL, DST_LAST_PEL | DST_X_LEFT_TO_RIGHT |
864 DST_Y_TOP_TO_BOTTOM);
865
866 regw(sc, SRC_OFF_PITCH, (pitch_value / 8) << 22);
867
868 regw(sc, SRC_Y_X, 0);
869 regw(sc, SRC_HEIGHT1_WIDTH1, 1);
870 regw(sc, SRC_Y_X_START, 0);
871 regw(sc, SRC_HEIGHT2_WIDTH2, 1);
872
873 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT);
874
875 wait_for_fifo(sc, 13);
876 regw(sc, HOST_CNTL, 0);
877
878 regw(sc, PAT_REG0, 0);
879 regw(sc, PAT_REG1, 0);
880 regw(sc, PAT_CNTL, 0);
881
882 regw(sc, SC_LEFT, 0);
883 regw(sc, SC_TOP, 0);
884 regw(sc, SC_BOTTOM, default_mode.vdisplay - 1);
885 regw(sc, SC_RIGHT, pitch_value - 1);
886
887 regw(sc, DP_BKGD_CLR, 0);
888 regw(sc, DP_FRGD_CLR, 0xffffffff);
889 regw(sc, DP_WRITE_MASK, 0xffffffff);
890 regw(sc, DP_MIX, (MIX_SRC << 16) | MIX_DST);
891
892 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR);
893
894 wait_for_fifo(sc, 3);
895 regw(sc, CLR_CMP_CLR, 0);
896 regw(sc, CLR_CMP_MASK, 0xffffffff);
897 regw(sc, CLR_CMP_CNTL, 0);
898
899 wait_for_fifo(sc, 2);
900 switch (sc->bits_per_pixel) {
901 case 8:
902 regw(sc, DP_PIX_WIDTH, HOST_8BPP | SRC_8BPP | DST_8BPP);
903 regw(sc, DP_CHAIN_MASK, DP_CHAIN_8BPP);
904 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) & ~DAC_8BIT_EN);
905 break;
906 #if 0
907 case 32:
908 regw(sc, DP_PIX_WIDTH, HOST_32BPP | SRC_32BPP | DST_32BPP);
909 regw(sc, DP_CHAIN_MASK, DP_CHAIN_32BPP);
910 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN);
911 break;
912 #endif
913 }
914
915 wait_for_fifo(sc, 5);
916 regw(sc, CRTC_INT_CNTL, regr(sc, CRTC_INT_CNTL) & ~0x20);
917 regw(sc, GUI_TRAJ_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
918
919 wait_for_idle(sc);
920 }
921
922 void
923 mach64_adjust_frame(struct mach64_softc *sc, int x, int y)
924 {
925 int offset;
926
927 offset = ((x + y * sc->virt_x) * (sc->bits_per_pixel >> 3)) >> 3;
928
929 regw(sc, CRTC_OFF_PITCH, (regr(sc, CRTC_OFF_PITCH) & 0xfff00000) |
930 offset);
931 }
932
933 void
934 mach64_set_dsp(struct mach64_softc *sc)
935 {
936 u_int32_t fifo_depth, page_size, dsp_precision, dsp_loop_latency;
937 u_int32_t dsp_off, dsp_on, dsp_xclks_per_qw;
938 u_int32_t xclks_per_qw, y;
939 u_int32_t fifo_off, fifo_on;
940
941 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
942 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II ||
943 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIP ||
944 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_PCI ||
945 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_B ||
946 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_P) {
947 dsp_loop_latency = 0;
948 fifo_depth = 24;
949 } else {
950 dsp_loop_latency = 2;
951 fifo_depth = 32;
952 }
953
954 dsp_precision = 0;
955 xclks_per_qw = (sc->mclk_fb_div * sc->vclk_post_div * 64 << 11) /
956 (sc->vclk_fb_div * sc->mclk_post_div * sc->bits_per_pixel);
957 y = (xclks_per_qw * fifo_depth) >> 11;
958 while (y) {
959 y >>= 1;
960 dsp_precision++;
961 }
962 dsp_precision -= 5;
963 fifo_off = ((xclks_per_qw * (fifo_depth - 1)) >> 5) + (3 << 6);
964
965 switch (sc->memtype) {
966 case DRAM:
967 case EDO_DRAM:
968 case PSEUDO_EDO:
969 if (sc->memsize > 1024) {
970 page_size = 9;
971 dsp_loop_latency += 6;
972 } else {
973 page_size = 10;
974 if (sc->memtype == DRAM)
975 dsp_loop_latency += 8;
976 else
977 dsp_loop_latency += 7;
978 }
979 break;
980 case SDRAM:
981 case SGRAM:
982 if (sc->memsize > 1024) {
983 page_size = 8;
984 dsp_loop_latency += 8;
985 } else {
986 page_size = 10;
987 dsp_loop_latency += 9;
988 }
989 break;
990 default:
991 page_size = 10;
992 dsp_loop_latency += 9;
993 break;
994 }
995
996 if (xclks_per_qw >= (page_size << 11))
997 fifo_on = ((2 * page_size + 1) << 6) + (xclks_per_qw >> 5);
998 else
999 fifo_on = (3 * page_size + 2) << 6;
1000
1001 dsp_xclks_per_qw = xclks_per_qw >> dsp_precision;
1002 dsp_on = fifo_on >> dsp_precision;
1003 dsp_off = fifo_off >> dsp_precision;
1004
1005 #ifdef MACH64_DEBUG
1006 printf("dsp_xclks_per_qw = %d, dsp_on = %d, dsp_off = %d,\n"
1007 "dsp_precision = %d, dsp_loop_latency = %d,\n"
1008 "mclk_fb_div = %d, vclk_fb_div = %d,\n"
1009 "mclk_post_div = %d, vclk_post_div = %d\n",
1010 dsp_xclks_per_qw, dsp_on, dsp_off, dsp_precision, dsp_loop_latency,
1011 sc->mclk_fb_div, sc->vclk_fb_div,
1012 sc->mclk_post_div, sc->vclk_post_div);
1013 #endif
1014
1015 regw(sc, DSP_ON_OFF, ((dsp_on << 16) & DSP_ON) | (dsp_off & DSP_OFF));
1016 regw(sc, DSP_CONFIG, ((dsp_precision << 20) & DSP_PRECISION) |
1017 ((dsp_loop_latency << 16) & DSP_LOOP_LATENCY) |
1018 (dsp_xclks_per_qw & DSP_XCLKS_PER_QW));
1019 }
1020
1021 void
1022 mach64_set_pll(struct mach64_softc *sc, int clock)
1023 {
1024 int q;
1025
1026 q = (clock * sc->ref_div * 100) / (2 * sc->ref_freq);
1027 #ifdef MACH64_DEBUG
1028 printf("q = %d\n", q);
1029 #endif
1030 if (q > 25500) {
1031 printf("Warning: q > 25500\n");
1032 q = 25500;
1033 sc->vclk_post_div = 1;
1034 sc->log2_vclk_post_div = 0;
1035 } else if (q > 12750) {
1036 sc->vclk_post_div = 1;
1037 sc->log2_vclk_post_div = 0;
1038 } else if (q > 6350) {
1039 sc->vclk_post_div = 2;
1040 sc->log2_vclk_post_div = 1;
1041 } else if (q > 3150) {
1042 sc->vclk_post_div = 4;
1043 sc->log2_vclk_post_div = 2;
1044 } else if (q >= 1600) {
1045 sc->vclk_post_div = 8;
1046 sc->log2_vclk_post_div = 3;
1047 } else {
1048 printf("Warning: q < 1600\n");
1049 sc->vclk_post_div = 8;
1050 sc->log2_vclk_post_div = 3;
1051 }
1052 sc->vclk_fb_div = q * sc->vclk_post_div / 100;
1053
1054 regwb_pll(sc, MCLK_FB_DIV, sc->mclk_fb_div);
1055 regwb_pll(sc, VCLK_POST_DIV, sc->log2_vclk_post_div);
1056 regwb_pll(sc, VCLK0_FB_DIV, sc->vclk_fb_div);
1057 }
1058
1059 void
1060 mach64_init_lut(struct mach64_softc *sc)
1061 {
1062 int i;
1063
1064 regwb(sc, DAC_REGS, 0);
1065
1066 for (i = 0; i < 16; i++) {
1067 regwb(sc, DAC_REGS + 1, mach64_cmap[i * 3]);
1068 regwb(sc, DAC_REGS + 1, mach64_cmap[i * 3 + 1]);
1069 regwb(sc, DAC_REGS + 1, mach64_cmap[i + 3 + 2]);
1070 }
1071 }
1072
1073 void
1074 mach64_switch_screen(struct mach64_softc *sc)
1075 {
1076 struct mach64screen *scr, *oldscr;
1077 const struct wsscreen_descr *type;
1078
1079 scr = sc->wanted;
1080 if (!scr) {
1081 printf("mach64_switch_screen: disappeared\n");
1082 (*sc->switchcb)(sc->switchcbarg, EIO, 0);
1083 return;
1084 }
1085 type = scr->type;
1086 oldscr = sc->active; /* can be NULL! */
1087 #ifdef DIAGNOSTIC
1088 if (oldscr) {
1089 if (!oldscr->active)
1090 panic("mach64_switch_screen: not active");
1091 if (oldscr->type != sc->currenttype)
1092 panic("mach64_switch_screen: bad type");
1093 }
1094 #endif
1095 if (scr == oldscr)
1096 return;
1097
1098 #ifdef DIAGNOSTIC
1099 if (scr->active)
1100 panic("mach64_switch_screen: active");
1101 #endif
1102
1103 if (oldscr)
1104 oldscr->active = 0;
1105
1106 if (sc->currenttype != type) {
1107 mach64_set_screentype(sc, type);
1108 sc->currenttype = type;
1109 }
1110
1111 scr->dispoffset = scr->mindispoffset;
1112
1113 if (!oldscr || (scr->dispoffset != oldscr->dispoffset)) {
1114
1115 }
1116
1117 /* Clear the entire screen. */
1118
1119 scr->active = 1;
1120 mach64_restore_screen(scr, type, scr->mem);
1121
1122 sc->active = scr;
1123
1124 mach64_cursor(scr, scr->cursoron, scr->cursorrow, scr->cursorcol);
1125
1126 sc->wanted = 0;
1127 if (sc->switchcb)
1128 (*sc->switchcb)(sc->switchcbarg, 0, 0);
1129 }
1130
1131 void
1132 mach64_restore_screen(struct mach64screen *scr,
1133 const struct wsscreen_descr *type, u_int16_t *mem)
1134 {
1135
1136 }
1137
1138 int
1139 mach64_set_screentype(struct mach64_softc *sc, const struct wsscreen_descr *des)
1140 {
1141 struct mach64_crtcregs regs;
1142
1143 if (mach64_calc_crtcregs(sc, ®s,
1144 (struct videomode *)des->modecookie))
1145 return 1;
1146
1147 mach64_set_crtcregs(sc, ®s);
1148 return 0;
1149 }
1150
1151 int
1152 mach64_is_console(struct pci_attach_args *pa)
1153 {
1154 #ifdef __sparc__
1155 int node;
1156
1157 node = PCITAG_NODE(pa->pa_tag);
1158 if (node == -1)
1159 return 0;
1160
1161 return (node == OF_instance_to_package(OF_stdout()));
1162 #else
1163 return 1;
1164 #endif
1165 }
1166
1167 /*
1168 * wsdisplay_emulops
1169 */
1170
1171 void
1172 mach64_cursor(void *cookie, int on, int row, int col)
1173 {
1174
1175 }
1176
1177 #if 0
1178 int
1179 mach64_mapchar(void *cookie, int uni, u_int *index)
1180 {
1181
1182 return 0;
1183 }
1184
1185 void
1186 mach64_putchar(void *cookie, int row, int col, u_int c, long attr)
1187 {
1188
1189 }
1190
1191 void
1192 mach64_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1193 {
1194
1195 }
1196
1197 void
1198 mach64_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1199 {
1200
1201 }
1202
1203 void
1204 mach64_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1205 {
1206
1207 }
1208
1209 int
1210 mach64_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1211 {
1212
1213 return 0;
1214 }
1215 #endif
1216
1217 void
1218 mach64_eraserows(void *cookie, int row, int nrows, long fillattr)
1219 {
1220
1221 }
1222
1223 /*
1224 * wsdisplay_accessops
1225 */
1226
1227 int
1228 mach64_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
1229 {
1230
1231 return ENOTTY;
1232 }
1233
1234 paddr_t
1235 mach64_mmap(void *v, off_t offset, int prot)
1236 {
1237
1238 return -1;
1239 }
1240
1241 int
1242 mach64_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
1243 int *curxp, int *curyp, long *defattrp)
1244 {
1245 struct mach64_softc *sc = v;
1246 struct mach64screen *scr;
1247
1248 scr = malloc(sizeof(struct mach64screen), M_DEVBUF, M_WAITOK|M_ZERO);
1249 mach64_init_screen(sc, scr, type, 0, defattrp, sc->active == NULL);
1250 rasops_init(&scr->ri, mach64_console_screen.ri.ri_height / 16,
1251 mach64_console_screen.ri.ri_width / 8);
1252
1253 scr->mem = malloc(type->ncols * type->nrows * 2, M_DEVBUF,
1254 M_WAITOK);
1255 mach64_eraserows(sc, 0, type->nrows, *defattrp);
1256 if (sc->active == NULL) {
1257 scr->active = 1;
1258 sc->active = scr;
1259 sc->currenttype = type;
1260 }
1261
1262 *cookiep = scr;
1263 *curxp = scr->cursorcol;
1264 *curyp = scr->cursorrow;
1265
1266 return 0;
1267 }
1268
1269 void
1270 mach64_free_screen(void *v, void *cookie)
1271 {
1272 struct mach64_softc *sc = v;
1273 struct mach64screen *scr = cookie;
1274
1275 LIST_REMOVE(scr, next);
1276 if (scr != &mach64_console_screen)
1277 free(scr, M_DEVBUF);
1278 else
1279 panic("mach64_free_screen: console");
1280
1281 if (sc->active == scr)
1282 sc->active = 0;
1283 }
1284
1285 int
1286 mach64_show_screen(void *v, void *cookie, int waitok,
1287 void (*cb)(void *, int, int), void *cbarg)
1288 {
1289 struct mach64_softc *sc = v;
1290 struct mach64screen *scr, *oldscr;
1291
1292 scr = cookie;
1293 oldscr = sc->active;
1294 if (scr == oldscr)
1295 return 0;
1296
1297 sc->wanted = scr;
1298 sc->switchcb = cb;
1299 sc->switchcbarg = cbarg;
1300 if (cb) {
1301 callout_reset(&sc->switch_callout, 0,
1302 (void(*)(void *))mach64_switch_screen, sc);
1303 return EAGAIN;
1304 }
1305
1306 mach64_switch_screen(sc);
1307
1308 return 0;
1309 }
1310
1311 #if 0
1312 int
1313 mach64_load_font(void *v, void *cookie, struct wsdisplay_font *data)
1314 {
1315
1316 return 0;
1317 }
1318 #endif
1319