machfb.c revision 1.28 1 /* $NetBSD: machfb.c,v 1.28 2005/05/31 21:16:06 christos 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 __KERNEL_RCSID(0,
36 "$NetBSD: machfb.c,v 1.28 2005/05/31 21:16:06 christos Exp $");
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/device.h>
42 #include <sys/malloc.h>
43 #include <sys/callout.h>
44
45 #ifdef __sparc__
46 #include <machine/promlib.h>
47 #endif
48
49 #ifdef __powerpc__
50 #include <dev/ofw/openfirm.h>
51 #include <dev/ofw/ofw_pci.h>
52 #endif
53
54 #include <dev/ic/videomode.h>
55
56 #include <dev/pci/pcivar.h>
57 #include <dev/pci/pcireg.h>
58 #include <dev/pci/pcidevs.h>
59 #include <dev/pci/pciio.h>
60 #include <dev/pci/machfbreg.h>
61
62 #include <dev/wscons/wsdisplayvar.h>
63 #include <dev/wscons/wsconsio.h>
64 #include <dev/wsfont/wsfont.h>
65 #include <dev/rasops/rasops.h>
66
67 #define MACH64_REG_SIZE 1024
68 #define MACH64_REG_OFF 0x7ffc00
69
70 #define NBARS 3 /* number of Mach64 PCI BARs */
71
72 struct vga_bar {
73 bus_addr_t vb_base;
74 pcireg_t vb_busaddr;
75 bus_size_t vb_size;
76 pcireg_t vb_type;
77 int vb_flags;
78 };
79
80 struct mach64_softc {
81 struct device sc_dev;
82 pci_chipset_tag_t sc_pc;
83 pcitag_t sc_pcitag;
84
85 struct vga_bar sc_bars[NBARS];
86 struct vga_bar sc_rom;
87
88 #define sc_aperbase sc_bars[0].vb_base
89 #define sc_apersize sc_bars[0].vb_size
90 #define sc_aperphys sc_bars[0].vb_busaddr
91
92 #define sc_iobase sc_bars[1].vb_base
93 #define sc_iosize sc_bars[1].vb_size
94
95 #define sc_regbase sc_bars[2].vb_base
96 #define sc_regsize sc_bars[2].vb_size
97 #define sc_regphys sc_bars[2].vb_busaddr
98
99 bus_space_tag_t sc_regt;
100 bus_space_tag_t sc_memt;
101 bus_space_handle_t sc_regh;
102 bus_space_handle_t sc_memh;
103
104 size_t memsize;
105 int memtype;
106
107 int sc_mode;
108 int sc_bg;
109
110 int has_dsp;
111 int bits_per_pixel;
112 int max_x;
113 int max_y;
114 int virt_x;
115 int virt_y;
116 int color_depth;
117
118 int mem_freq;
119 int ramdac_freq;
120 int ref_freq;
121
122 int ref_div;
123 int log2_vclk_post_div;
124 int vclk_post_div;
125 int vclk_fb_div;
126 int mclk_post_div;
127 int mclk_fb_div;
128
129 struct mach64screen *wanted;
130 struct mach64screen *active;
131 void (*switchcb)(void *, int, int);
132 void *switchcbarg;
133 struct callout switch_callout;
134 LIST_HEAD(, mach64screen) screens;
135 const struct wsscreen_descr *currenttype;
136 u_char sc_cmap_red[256];
137 u_char sc_cmap_green[256];
138 u_char sc_cmap_blue[256];
139 int sc_dacw;
140 };
141
142 struct mach64screen {
143 struct rasops_info ri;
144 LIST_ENTRY(mach64screen) next;
145 struct mach64_softc *sc;
146 const struct wsscreen_descr *type;
147 int active;
148 u_int *chars;
149 long *attrs;
150 int dispoffset;
151 int mindispoffset;
152 int maxdispoffset;
153
154 int cursoron;
155 int cursorcol;
156 int cursorrow;
157 int cursordrawn;
158 };
159
160 struct mach64_crtcregs {
161 u_int32_t h_total_disp;
162 u_int32_t h_sync_strt_wid;
163 u_int32_t v_total_disp;
164 u_int32_t v_sync_strt_wid;
165 u_int32_t gen_cntl;
166 u_int32_t clock_cntl;
167 u_int32_t color_depth;
168 u_int32_t dot_clock;
169 };
170
171 struct {
172 u_int16_t chip_id;
173 u_int32_t ramdac_freq;
174 } mach64_info[] = {
175 { PCI_PRODUCT_ATI_MACH64_CT, 135000 },
176 { PCI_PRODUCT_ATI_RAGE_PRO_AGP, 230000 },
177 { PCI_PRODUCT_ATI_RAGE_PRO_AGP1X, 230000 },
178 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_B, 230000 },
179 { PCI_PRODUCT_ATI_RAGE_XL_AGP, 230000 },
180 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_P, 230000 },
181 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_L, 230000 },
182 { PCI_PRODUCT_ATI_RAGE_XL_PCI, 230000 },
183 { PCI_PRODUCT_ATI_RAGE_II, 135000 },
184 { PCI_PRODUCT_ATI_RAGE_IIP, 200000 },
185 { PCI_PRODUCT_ATI_RAGE_IIC_PCI, 230000 },
186 { PCI_PRODUCT_ATI_RAGE_IIC_AGP_B, 230000 },
187 { PCI_PRODUCT_ATI_RAGE_IIC_AGP_P, 230000 },
188 { PCI_PRODUCT_ATI_RAGE_LT_PRO_AGP, 230000 },
189 { PCI_PRODUCT_ATI_RAGE_MOB_M3_PCI, 230000 },
190 { PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP, 230000 },
191 { PCI_PRODUCT_ATI_RAGE_LT, 230000 },
192 { PCI_PRODUCT_ATI_RAGE_LT_PRO_PCI, 230000 },
193 { PCI_PRODUCT_ATI_RAGE_MOBILITY, 230000 },
194 { PCI_PRODUCT_ATI_RAGE_LT_PRO, 230000 },
195 { PCI_PRODUCT_ATI_MACH64_VT, 170000 },
196 { PCI_PRODUCT_ATI_MACH64_VTB, 200000 },
197 { PCI_PRODUCT_ATI_MACH64_VT4, 230000 }
198 };
199
200 static int mach64_chip_id, mach64_chip_rev;
201 static struct videomode default_mode;
202 static struct mach64screen mach64_console_screen;
203
204 static const char *mach64_memtype_names[] = {
205 "(N/A)", "DRAM", "EDO DRAM", "EDO DRAM", "SDRAM", "SGRAM", "WRAM",
206 "(unknown type)"
207 };
208
209 struct videomode mach64_modes[] = {
210 /* 640x400 @ 70 Hz, 31.5 kHz */
211 { 25175, 640, 664, 760, 800, 400, 409, 411, 450, 0 },
212 /* 640x480 @ 72 Hz, 36.5 kHz */
213 { 25175, 640, 664, 760, 800, 480, 491, 493, 525, 0 },
214 /* 800x600 @ 72 Hz, 48.0 kHz */
215 { 50000, 800, 856, 976, 1040, 600, 637, 643, 666,
216 VID_PHSYNC | VID_PVSYNC },
217 /* 1024x768 @ 70 Hz, 56.5 kHz */
218 { 75000, 1024, 1048, 1184, 1328, 768, 771, 777, 806,
219 VID_NHSYNC | VID_NVSYNC },
220 /* 1152x864 @ 70 Hz, 62.4 kHz */
221 { 92000, 1152, 1208, 1368, 1474, 864, 865, 875, 895, 0 },
222 /* 1280x1024 @ 70 Hz, 74.59 kHz */
223 { 126500, 1280, 1312, 1472, 1696, 1024, 1032, 1040, 1068,
224 VID_NHSYNC | VID_NVSYNC }
225 };
226
227 extern const u_char rasops_cmap[768];
228
229 int mach64_match(struct device *, struct cfdata *, void *);
230 void mach64_attach(struct device *, struct device *, void *);
231
232 CFATTACH_DECL(machfb, sizeof(struct mach64_softc), mach64_match, mach64_attach,
233 NULL, NULL);
234
235 void mach64_init(struct mach64_softc *);
236 int mach64_get_memsize(struct mach64_softc *);
237 int mach64_get_max_ramdac(struct mach64_softc *);
238 void mach64_get_mode(struct mach64_softc *, struct videomode *);
239 int mach64_calc_crtcregs(struct mach64_softc *, struct mach64_crtcregs *,
240 struct videomode *);
241 void mach64_set_crtcregs(struct mach64_softc *, struct mach64_crtcregs *);
242 int mach64_modeswitch(struct mach64_softc *, struct videomode *);
243 void mach64_set_dsp(struct mach64_softc *);
244 void mach64_set_pll(struct mach64_softc *, int);
245 void mach64_reset_engine(struct mach64_softc *);
246 void mach64_init_engine(struct mach64_softc *);
247 void mach64_adjust_frame(struct mach64_softc *, int, int);
248 void mach64_init_lut(struct mach64_softc *);
249 void mach64_switch_screen(struct mach64_softc *);
250 void mach64_init_screen(struct mach64_softc *, struct mach64screen *,
251 const struct wsscreen_descr *, int, long *, int);
252 void mach64_restore_screen(struct mach64screen *,
253 const struct wsscreen_descr *, u_int *);
254 int mach64_set_screentype(struct mach64_softc *,
255 const struct wsscreen_descr *);
256 int mach64_is_console(struct pci_attach_args *);
257
258 void mach64_cursor(void *, int, int, int);
259 int mach64_mapchar(void *, int, u_int *);
260 void mach64_putchar(void *, int, int, u_int, long);
261 void mach64_copycols(void *, int, int, int, int);
262 void mach64_erasecols(void *, int, int, int, long);
263 void mach64_copyrows(void *, int, int, int);
264 void mach64_eraserows(void *, int, int, long);
265 int mach64_allocattr(void *, int, int, int, long *);
266 void mach64_clearscreen(struct mach64_softc *);
267
268 void mach64_scroll(void *, void *, int);
269
270 int mach64_putcmap(struct mach64_softc *, struct wsdisplay_cmap *);
271 int mach64_getcmap(struct mach64_softc *, struct wsdisplay_cmap *);
272 int mach64_putpalreg(struct mach64_softc *, uint8_t, uint8_t, uint8_t,
273 uint8_t);
274 void mach64_bitblt(struct mach64_softc *, int, int, int, int, int, int, int,
275 int) ;
276 void mach64_rectfill(struct mach64_softc *, int, int, int, int, int);
277 void mach64_setup_mono(struct mach64_softc *, int, int, int, int, uint32_t,
278 uint32_t);
279 void mach64_feed_bytes(struct mach64_softc *, int, uint8_t *);
280 void mach64_showpal(struct mach64_softc *);
281 int mach64_getwschar(void *, struct wsdisplay_char *);
282 int mach64_putwschar(void *, struct wsdisplay_char *);
283
284 void set_address(struct rasops_info *, bus_addr_t);
285
286 #if 0
287 const struct wsdisplay_emulops mach64_emulops = {
288 mach64_cursor,
289 mach64_mapchar,
290 mach64_putchar,
291 mach64_copycols,
292 mach64_erasecols,
293 mach64_copyrows,
294 mach64_eraserows,
295 mach64_allocattr,
296 };
297 #endif
298
299 struct wsscreen_descr mach64_defaultscreen = {
300 "default",
301 0, 0,
302 &mach64_console_screen.ri.ri_ops,
303 8, 16,
304 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
305 &default_mode
306 }, mach64_80x25_screen = {
307 "80x25", 80, 25,
308 &mach64_console_screen.ri.ri_ops,
309 8, 16,
310 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
311 &mach64_modes[0]
312 }, mach64_80x30_screen = {
313 "80x30", 80, 30,
314 &mach64_console_screen.ri.ri_ops,
315 8, 16,
316 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
317 &mach64_modes[1]
318 }, mach64_80x40_screen = {
319 "80x40", 80, 40,
320 &mach64_console_screen.ri.ri_ops,
321 8, 10,
322 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
323 &mach64_modes[0]
324 }, mach64_80x50_screen = {
325 "80x50", 80, 50,
326 &mach64_console_screen.ri.ri_ops,
327 8, 8,
328 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
329 &mach64_modes[0]
330 }, mach64_100x37_screen = {
331 "100x37", 100, 37,
332 &mach64_console_screen.ri.ri_ops,
333 8, 16,
334 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
335 &mach64_modes[2]
336 }, mach64_128x48_screen = {
337 "128x48", 128, 48,
338 &mach64_console_screen.ri.ri_ops,
339 8, 16,
340 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
341 &mach64_modes[3]
342 }, mach64_144x54_screen = {
343 "144x54", 144, 54,
344 &mach64_console_screen.ri.ri_ops,
345 8, 16,
346 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
347 &mach64_modes[4]
348 }, mach64_160x64_screen = {
349 "160x54", 160, 64,
350 &mach64_console_screen.ri.ri_ops,
351 8, 16,
352 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
353 &mach64_modes[5]
354 };
355
356 const struct wsscreen_descr *_mach64_scrlist[] = {
357 &mach64_defaultscreen,
358 &mach64_80x25_screen,
359 &mach64_80x30_screen,
360 &mach64_80x40_screen,
361 &mach64_80x50_screen,
362 &mach64_100x37_screen,
363 &mach64_128x48_screen,
364 &mach64_144x54_screen,
365 &mach64_160x64_screen
366 };
367
368 struct wsscreen_list mach64_screenlist = {
369 sizeof(_mach64_scrlist) / sizeof(struct wsscreen_descr *),
370 _mach64_scrlist
371 };
372
373 int mach64_ioctl(void *, u_long, caddr_t, int, struct proc *);
374 paddr_t mach64_mmap(void *, off_t, int);
375 int mach64_alloc_screen(void *, const struct wsscreen_descr *, void **,
376 int *, int *, long *);
377 void mach64_free_screen(void *, void *);
378 int mach64_show_screen(void *, void *, int, void (*)(void *, int, int),
379 void *);
380 int mach64_load_font(void *, void *, struct wsdisplay_font *);
381
382 struct wsdisplay_accessops mach64_accessops = {
383 mach64_ioctl,
384 mach64_mmap,
385 mach64_alloc_screen,
386 mach64_free_screen,
387 mach64_show_screen,
388 NULL, /* load_font */
389 NULL, /* polls */
390 mach64_getwschar, /* getwschar */
391 mach64_putwschar, /* putwschar */
392 NULL, /* scroll */
393 NULL, /* getborder */
394 NULL /* setborder */
395 };
396
397 /*
398 * Inline functions for getting access to register aperture.
399 */
400 static inline u_int32_t regr(struct mach64_softc *, u_int32_t);
401 static inline u_int8_t regrb(struct mach64_softc *, u_int32_t);
402 static inline void regw(struct mach64_softc *, u_int32_t, u_int32_t);
403 static inline void regwb(struct mach64_softc *, u_int32_t, u_int8_t);
404 static inline void regwb_pll(struct mach64_softc *, u_int32_t, u_int8_t);
405
406 static inline u_int32_t
407 regr(struct mach64_softc *sc, u_int32_t index)
408 {
409 return bus_space_read_4(sc->sc_regt, sc->sc_regh, index);
410 }
411
412 static inline u_int8_t
413 regrb(struct mach64_softc *sc, u_int32_t index)
414 {
415 return bus_space_read_1(sc->sc_regt, sc->sc_regh, index);
416 }
417
418 static inline void
419 regw(struct mach64_softc *sc, u_int32_t index, u_int32_t data)
420 {
421 bus_space_write_4(sc->sc_regt, sc->sc_regh, index, data);
422 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 4,
423 BUS_SPACE_BARRIER_WRITE);
424 }
425
426 static inline void
427 regwb(struct mach64_softc *sc, u_int32_t index, u_int8_t data)
428 {
429 bus_space_write_1(sc->sc_regt, sc->sc_regh, index, data);
430 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 1,
431 BUS_SPACE_BARRIER_WRITE);
432 }
433
434 static inline void
435 regwb_pll(struct mach64_softc *sc, u_int32_t index, u_int8_t data)
436 {
437 regwb(sc, CLOCK_CNTL + 1, (index << 2) | PLL_WR_EN);
438 regwb(sc, CLOCK_CNTL + 2, data);
439 regwb(sc, CLOCK_CNTL + 1, (index << 2) & ~PLL_WR_EN);
440 }
441
442 static inline void
443 wait_for_fifo(struct mach64_softc *sc, u_int8_t v)
444 {
445 while ((regr(sc, FIFO_STAT) & 0xffff) > (0x8000 >> v))
446 continue;
447 }
448
449 static inline void
450 wait_for_idle(struct mach64_softc *sc)
451 {
452 wait_for_fifo(sc, 16);
453 while ((regr(sc, GUI_STAT) & 1) != 0)
454 continue;
455 }
456
457 int
458 mach64_match(struct device *parent, struct cfdata *match, void *aux)
459 {
460 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
461 int i;
462
463 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY ||
464 PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_DISPLAY_VGA)
465 return 0;
466
467 for (i = 0; i < sizeof(mach64_info) / sizeof(mach64_info[0]); i++)
468 if (PCI_PRODUCT(pa->pa_id) == mach64_info[i].chip_id) {
469 mach64_chip_id = PCI_PRODUCT(pa->pa_id);
470 mach64_chip_rev = PCI_REVISION(pa->pa_class);
471 return 100;
472 }
473
474 return 0;
475 }
476
477 void
478 mach64_attach(struct device *parent, struct device *self, void *aux)
479 {
480 struct mach64_softc *sc = (void *)self;
481 struct pci_attach_args *pa = aux;
482 char devinfo[256];
483 int bar, reg, id;
484 struct wsemuldisplaydev_attach_args aa;
485 long defattr;
486 int setmode, console;
487 pcireg_t screg;
488
489 sc->sc_pc = pa->pa_pc;
490 sc->sc_pcitag = pa->pa_tag;
491 sc->sc_dacw = -1;
492 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
493
494 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
495 printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
496
497 /* enable memory and IO access */
498 screg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_COMMAND_STATUS_REG);
499 screg |= PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
500 pci_conf_write(sc->sc_pc, sc->sc_pcitag,PCI_COMMAND_STATUS_REG,screg);
501
502 for (bar = 0; bar < NBARS; bar++) {
503 reg = PCI_MAPREG_START + (bar * 4);
504 sc->sc_bars[bar].vb_type = pci_mapreg_type(sc->sc_pc,
505 sc->sc_pcitag, reg);
506 (void)pci_mapreg_info(sc->sc_pc, sc->sc_pcitag, reg,
507 sc->sc_bars[bar].vb_type, &sc->sc_bars[bar].vb_base,
508 &sc->sc_bars[bar].vb_size, &sc->sc_bars[bar].vb_flags);
509 sc->sc_bars[bar].vb_busaddr = pci_conf_read(sc->sc_pc,
510 sc->sc_pcitag, reg)&0xfffffff0;
511 }
512 sc->sc_memt = pa->pa_memt;
513
514 mach64_init(sc);
515
516 printf("%s: %d MB aperture at 0x%08x, %d KB registers at 0x%08x\n",
517 sc->sc_dev.dv_xname, (u_int)(sc->sc_apersize / (1024 * 1024)),
518 (u_int)sc->sc_aperphys, (u_int)(sc->sc_regsize / 1024),
519 (u_int)sc->sc_regphys);
520
521 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_CT ||
522 ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
523 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
524 (mach64_chip_rev & 0x07) == 0))
525 sc->has_dsp = 0;
526 else
527 sc->has_dsp = 1;
528
529 sc->memsize = mach64_get_memsize(sc);
530 if (sc->memsize == 8192)
531 /* The last page is used as register aperture. */
532 sc->memsize -= 4;
533 sc->memtype = regr(sc, CONFIG_STAT0) & 0x07;
534
535 /* XXX is there any way to calculate reference frequency from
536 known values? */
537 if ((mach64_chip_id == PCI_PRODUCT_ATI_RAGE_XL_PCI) ||
538 ((mach64_chip_id >= PCI_PRODUCT_ATI_RAGE_LT_PRO_PCI) &&
539 (mach64_chip_id <= PCI_PRODUCT_ATI_RAGE_LT_PRO))) {
540 printf("ref_freq=29.498MHz\n");
541 sc->ref_freq = 29498;
542 } else
543 sc->ref_freq = 14318;
544
545 regwb(sc, CLOCK_CNTL + 1, PLL_REF_DIV << 2);
546 sc->ref_div = regrb(sc, CLOCK_CNTL + 2);
547 regwb(sc, CLOCK_CNTL + 1, MCLK_FB_DIV << 2);
548 sc->mclk_fb_div = regrb(sc, CLOCK_CNTL + 2);
549 sc->mem_freq = (2 * sc->ref_freq * sc->mclk_fb_div) /
550 (sc->ref_div * 2);
551 sc->mclk_post_div = (sc->mclk_fb_div * 2 * sc->ref_freq) /
552 (sc->mem_freq * sc->ref_div);
553 sc->ramdac_freq = mach64_get_max_ramdac(sc);
554 printf("%s: %ld KB %s %d.%d MHz, maximum RAMDAC clock %d MHz\n",
555 sc->sc_dev.dv_xname, (u_long)sc->memsize,
556 mach64_memtype_names[sc->memtype],
557 sc->mem_freq / 1000, sc->mem_freq % 1000,
558 sc->ramdac_freq / 1000);
559
560 id = regr(sc, CONFIG_CHIP_ID) & 0xffff;
561 if (id != mach64_chip_id) {
562 printf("%s: chip ID mismatch, 0x%x != 0x%x\n",
563 sc->sc_dev.dv_xname, id, mach64_chip_id);
564 return;
565 }
566
567 console = mach64_is_console(pa);
568
569 #if defined(__sparc__) || defined(__powerpc__)
570 if (console) {
571 mach64_get_mode(sc, &default_mode);
572 setmode = 0;
573 } else {
574 memcpy(&default_mode, &mach64_modes[4], sizeof(default_mode));
575 setmode = 1;
576 }
577 #else
578 memcpy(&default_mode, &mach64_modes[0], sizeof(default_mode));
579 setmode = 1;
580 #endif
581
582 sc->bits_per_pixel = 8;
583 sc->virt_x = default_mode.hdisplay;
584 sc->virt_y = default_mode.vdisplay;
585 sc->max_x = sc->virt_x - 1;
586 sc->max_y = (sc->memsize * 1024) /
587 (sc->virt_x * (sc->bits_per_pixel / 8)) - 1;
588
589 sc->color_depth = CRTC_PIX_WIDTH_8BPP;
590
591 mach64_init_engine(sc);
592 #if 0
593 mach64_adjust_frame(0, 0);
594 if (sc->bits_per_pixel == 8)
595 mach64_init_lut(sc);
596 #endif
597
598 printf("%s: initial resolution %dx%d at %d bpp\n", sc->sc_dev.dv_xname,
599 default_mode.hdisplay, default_mode.vdisplay,
600 sc->bits_per_pixel);
601
602 mach64_console_screen.ri.ri_hw = &mach64_console_screen;
603 mach64_console_screen.ri.ri_depth = sc->bits_per_pixel;
604 mach64_console_screen.ri.ri_width = default_mode.hdisplay;
605 mach64_console_screen.ri.ri_height = default_mode.vdisplay;
606 mach64_console_screen.ri.ri_stride = mach64_console_screen.ri.ri_width;
607
608 mach64_console_screen.ri.ri_bits=(void *)(uintptr_t)sc->sc_aperbase;
609
610 mach64_console_screen.ri.ri_flg = RI_CENTER;
611 mach64_console_screen.active = 1;
612 sc->active = &mach64_console_screen;
613
614 /* XXX width/height are nonsense, we only want to pick a font */
615 rasops_init(&mach64_console_screen.ri,
616 mach64_console_screen.ri.ri_height / 16,
617 mach64_console_screen.ri.ri_width / 8);
618
619 /* now get the real values */
620 rasops_reconfig(&mach64_console_screen.ri,
621 mach64_console_screen.ri.ri_height /
622 mach64_console_screen.ri.ri_font->fontheight,
623 mach64_console_screen.ri.ri_width /
624 mach64_console_screen.ri.ri_font->fontwidth);
625
626 set_address(&mach64_console_screen.ri, sc->sc_aperbase);
627
628 /* enable acceleration */
629 mach64_console_screen.ri.ri_ops.copyrows = mach64_copyrows;
630 mach64_console_screen.ri.ri_ops.eraserows = mach64_eraserows;
631 mach64_console_screen.ri.ri_ops.copycols = mach64_copycols;
632 mach64_console_screen.ri.ri_ops.erasecols = mach64_erasecols;
633 mach64_console_screen.ri.ri_ops.putchar = mach64_putchar;
634 mach64_console_screen.ri.ri_ops.cursor = mach64_cursor;
635
636 mach64_defaultscreen.nrows = mach64_console_screen.ri.ri_rows;
637 mach64_defaultscreen.ncols = mach64_console_screen.ri.ri_cols;
638
639 mach64_allocattr(&mach64_console_screen.ri, WS_DEFAULT_FG,
640 WS_DEFAULT_BG, 0, &defattr);
641
642 sc->sc_bg = WS_DEFAULT_BG;
643
644 /* really necessary? */
645 mach64_defaultscreen.capabilities = mach64_console_screen.ri.ri_caps;
646 mach64_defaultscreen.textops = &mach64_console_screen.ri.ri_ops;
647
648 /* Initialize fonts */
649 /* XXX shouldn't that happen /before/ we call rasops_init()? */
650 wsfont_init();
651
652 if (console) {
653 mach64_init_screen(sc, &mach64_console_screen,
654 &mach64_defaultscreen, 1, &defattr, setmode);
655 wsdisplay_cnattach(&mach64_defaultscreen,
656 &mach64_console_screen.ri, 0, 0, defattr);
657 }
658
659 mach64_init_lut(sc);
660 mach64_clearscreen(sc);
661
662 aa.console = console;
663 aa.scrdata = &mach64_screenlist;
664 aa.accessops = &mach64_accessops;
665 aa.accesscookie = sc;
666
667 config_found(self, &aa, wsemuldisplaydevprint);
668 }
669
670 void
671 mach64_init_screen(struct mach64_softc *sc, struct mach64screen *scr,
672 const struct wsscreen_descr *type, int existing, long *attrp, int setmode)
673 {
674 struct rasops_info *ri=&scr->ri;
675 int cnt;
676
677 scr->sc = sc;
678 scr->type = type;
679 scr->mindispoffset = 0;
680 scr->maxdispoffset = sc->memsize * 1024;
681 scr->dispoffset = 0;
682 scr->cursorcol = 0;
683 scr->cursorrow = 0;
684
685 cnt = type->nrows * type->ncols;
686 scr->attrs = malloc(cnt * (sizeof(long) + sizeof(u_int)),
687 M_DEVBUF, M_WAITOK);
688 scr->chars = (u_int *)&scr->attrs[cnt];
689
690 /*
691 * we allocate both chars and attributes in one chunk, attributes first
692 * because they have the (potentially) bigger alignment
693 */
694 ri->ri_depth = sc->bits_per_pixel;
695 ri->ri_width = default_mode.hdisplay;
696 ri->ri_height = default_mode.vdisplay;
697 ri->ri_stride = ri->ri_width;
698 ri->ri_flg = RI_CENTER;
699
700 if (existing) {
701 scr->active = 1;
702 ri->ri_flg |= RI_CLEAR;
703 if (setmode && mach64_set_screentype(sc, type)) {
704 panic("%s: failed to switch video mode",
705 sc->sc_dev.dv_xname);
706 }
707 } else {
708 scr->active = 0;
709 }
710
711 LIST_INSERT_HEAD(&sc->screens, scr, next);
712 }
713
714 void
715 mach64_init(struct mach64_softc *sc)
716 {
717 u_int32_t *p32, saved_value;
718 u_int8_t *p;
719 int need_swap;
720
721 if (bus_space_map(sc->sc_memt, sc->sc_aperbase, sc->sc_apersize,
722 BUS_SPACE_MAP_LINEAR, &sc->sc_memh)) {
723 panic("%s: failed to map aperture", sc->sc_dev.dv_xname);
724 }
725 sc->sc_aperbase = (vaddr_t)bus_space_vaddr(sc->sc_memt, sc->sc_memh);
726
727 sc->sc_regt = sc->sc_memt;
728 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF,
729 sc->sc_regsize, &sc->sc_regh);
730 sc->sc_regbase = sc->sc_aperbase + 0x7ffc00;
731
732 /*
733 * Test wether the aperture is byte swapped or not
734 */
735 p32 = (u_int32_t*)(u_long)sc->sc_aperbase;
736 saved_value = *p32;
737 p = (u_int8_t*)(u_long)sc->sc_aperbase;
738 *p32 = 0x12345678;
739 if (p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)
740 need_swap = 0;
741 else
742 need_swap = 1;
743 if (need_swap) {
744 sc->sc_aperbase += 0x800000;
745 sc->sc_apersize -= 0x800000;
746 }
747 *p32 = saved_value;
748
749 LIST_INIT(&sc->screens);
750 sc->active = NULL;
751 sc->currenttype = &mach64_defaultscreen;
752 callout_init(&sc->switch_callout);
753 }
754
755 int
756 mach64_get_memsize(struct mach64_softc *sc)
757 {
758 int tmp, memsize;
759 int mem_tab[] = {
760 512, 1024, 2048, 4096, 6144, 8192, 12288, 16384
761 };
762
763 tmp = regr(sc, MEM_CNTL);
764 printf("memctl: %08x\n",tmp);
765 if (sc->has_dsp) {
766 tmp &= 0x0000000f;
767 if (tmp < 8)
768 memsize = (tmp + 1) * 512;
769 else if (tmp < 12)
770 memsize = (tmp - 3) * 1024;
771 else
772 memsize = (tmp - 7) * 2048;
773 } else {
774 memsize = mem_tab[tmp & 0x07];
775 }
776
777 return memsize;
778 }
779
780 int
781 mach64_get_max_ramdac(struct mach64_softc *sc)
782 {
783 int i;
784
785 if ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
786 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
787 (mach64_chip_rev & 0x07))
788 return 170000;
789
790 for (i = 0; i < sizeof(mach64_info) / sizeof(mach64_info[0]); i++)
791 if (mach64_chip_id == mach64_info[i].chip_id)
792 return mach64_info[i].ramdac_freq;
793
794 if (sc->bits_per_pixel == 8)
795 return 135000;
796 else
797 return 80000;
798 }
799
800 void
801 mach64_get_mode(struct mach64_softc *sc, struct videomode *mode)
802 {
803 struct mach64_crtcregs crtc;
804
805 crtc.h_total_disp = regr(sc, CRTC_H_TOTAL_DISP);
806 crtc.h_sync_strt_wid = regr(sc, CRTC_H_SYNC_STRT_WID);
807 crtc.v_total_disp = regr(sc, CRTC_V_TOTAL_DISP);
808 crtc.v_sync_strt_wid = regr(sc, CRTC_V_SYNC_STRT_WID);
809
810 mode->htotal = ((crtc.h_total_disp & 0xffff) + 1) << 3;
811 mode->hdisplay = ((crtc.h_total_disp >> 16) + 1) << 3;
812 mode->hsync_start = ((crtc.h_sync_strt_wid & 0xffff) + 1) << 3;
813 mode->hsync_end = ((crtc.h_sync_strt_wid >> 16) << 3) +
814 mode->hsync_start;
815 mode->vtotal = (crtc.v_total_disp & 0xffff) + 1;
816 mode->vdisplay = (crtc.v_total_disp >> 16) + 1;
817 mode->vsync_start = (crtc.v_sync_strt_wid & 0xffff) + 1;
818 mode->vsync_end = (crtc.v_sync_strt_wid >> 16) + mode->vsync_start;
819
820 #ifdef DEBUG_MACHFB
821 printf("mach64_get_mode: %d %d %d %d %d %d %d %d\n",
822 mode->hdisplay, mode->hsync_start, mode->hsync_end, mode->htotal,
823 mode->vdisplay, mode->vsync_start, mode->vsync_end, mode->vtotal);
824 #endif
825 }
826
827 int
828 mach64_calc_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc,
829 struct videomode *mode)
830 {
831
832 if (mode->dot_clock > sc->ramdac_freq)
833 /* Clock too high. */
834 return 1;
835
836 crtc->h_total_disp = (((mode->hdisplay >> 3) - 1) << 16) |
837 ((mode->htotal >> 3) - 1);
838 crtc->h_sync_strt_wid =
839 (((mode->hsync_end - mode->hsync_start) >> 3) << 16) |
840 ((mode->hsync_start >> 3) - 1);
841
842 crtc->v_total_disp = ((mode->vdisplay - 1) << 16) |
843 (mode->vtotal - 1);
844 crtc->v_sync_strt_wid =
845 ((mode->vsync_end - mode->vsync_start) << 16) |
846 (mode->vsync_start - 1);
847
848 if (mode->flags & VID_NVSYNC)
849 crtc->v_sync_strt_wid |= CRTC_VSYNC_NEG;
850
851 switch (sc->bits_per_pixel) {
852 case 8:
853 crtc->color_depth = CRTC_PIX_WIDTH_8BPP;
854 break;
855 case 16:
856 crtc->color_depth = CRTC_PIX_WIDTH_16BPP;
857 break;
858 case 32:
859 crtc->color_depth = CRTC_PIX_WIDTH_32BPP;
860 break;
861 }
862
863 crtc->gen_cntl = 0;
864 if (mode->flags & VID_INTERLACE)
865 crtc->gen_cntl |= CRTC_INTERLACE_EN;
866 if (mode->flags & VID_CSYNC)
867 crtc->gen_cntl |= CRTC_CSYNC_EN;
868
869 crtc->dot_clock = mode->dot_clock;
870
871 return 0;
872 }
873
874 void
875 mach64_set_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc)
876 {
877
878 mach64_set_pll(sc, crtc->dot_clock);
879
880 if (sc->has_dsp)
881 mach64_set_dsp(sc);
882
883 regw(sc, CRTC_H_TOTAL_DISP, crtc->h_total_disp);
884 regw(sc, CRTC_H_SYNC_STRT_WID, crtc->h_sync_strt_wid);
885 regw(sc, CRTC_V_TOTAL_DISP, crtc->v_total_disp);
886 regw(sc, CRTC_V_SYNC_STRT_WID, crtc->v_sync_strt_wid);
887
888 regw(sc, CRTC_VLINE_CRNT_VLINE, 0);
889
890 regw(sc, CRTC_OFF_PITCH, (sc->virt_x >> 3) << 22);
891
892 regw(sc, CRTC_GEN_CNTL, crtc->gen_cntl | crtc->color_depth |
893 CRTC_EXT_DISP_EN | CRTC_EXT_EN);
894 }
895
896 int
897 mach64_modeswitch(struct mach64_softc *sc, struct videomode *mode)
898 {
899 struct mach64_crtcregs crtc;
900
901 if (mach64_calc_crtcregs(sc, &crtc, mode))
902 return 1;
903
904 mach64_set_crtcregs(sc, &crtc);
905 return 0;
906 }
907
908 void
909 mach64_reset_engine(struct mach64_softc *sc)
910 {
911
912 /* Reset engine.*/
913 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) & ~GUI_ENGINE_ENABLE);
914
915 /* Enable engine. */
916 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) | GUI_ENGINE_ENABLE);
917
918 /* Ensure engine is not locked up by clearing any FIFO or
919 host errors. */
920 regw(sc, BUS_CNTL, regr(sc, BUS_CNTL) | BUS_HOST_ERR_ACK |
921 BUS_FIFO_ERR_ACK);
922 }
923
924 void
925 mach64_init_engine(struct mach64_softc *sc)
926 {
927 u_int32_t pitch_value;
928
929 pitch_value = sc->virt_x;
930
931 if (sc->bits_per_pixel == 24)
932 pitch_value *= 3;
933
934 mach64_reset_engine(sc);
935
936 wait_for_fifo(sc, 14);
937
938 regw(sc, CONTEXT_MASK, 0xffffffff);
939
940 regw(sc, DST_OFF_PITCH, (pitch_value / 8) << 22);
941
942 regw(sc, DST_Y_X, 0);
943 regw(sc, DST_HEIGHT, 0);
944 regw(sc, DST_BRES_ERR, 0);
945 regw(sc, DST_BRES_INC, 0);
946 regw(sc, DST_BRES_DEC, 0);
947
948 regw(sc, DST_CNTL, DST_LAST_PEL | DST_X_LEFT_TO_RIGHT |
949 DST_Y_TOP_TO_BOTTOM);
950
951 regw(sc, SRC_OFF_PITCH, (pitch_value / 8) << 22);
952
953 regw(sc, SRC_Y_X, 0);
954 regw(sc, SRC_HEIGHT1_WIDTH1, 1);
955 regw(sc, SRC_Y_X_START, 0);
956 regw(sc, SRC_HEIGHT2_WIDTH2, 1);
957
958 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT);
959
960 wait_for_fifo(sc, 13);
961 regw(sc, HOST_CNTL, 0);
962
963 regw(sc, PAT_REG0, 0);
964 regw(sc, PAT_REG1, 0);
965 regw(sc, PAT_CNTL, 0);
966
967 regw(sc, SC_LEFT, 0);
968 regw(sc, SC_TOP, 0);
969 regw(sc, SC_BOTTOM, default_mode.vdisplay - 1);
970 regw(sc, SC_RIGHT, pitch_value - 1);
971
972 regw(sc, DP_BKGD_CLR, 0);
973 regw(sc, DP_FRGD_CLR, 0xffffffff);
974 regw(sc, DP_WRITE_MASK, 0xffffffff);
975 regw(sc, DP_MIX, (MIX_SRC << 16) | MIX_DST);
976
977 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR);
978
979 wait_for_fifo(sc, 3);
980 regw(sc, CLR_CMP_CLR, 0);
981 regw(sc, CLR_CMP_MASK, 0xffffffff);
982 regw(sc, CLR_CMP_CNTL, 0);
983
984 wait_for_fifo(sc, 2);
985 switch (sc->bits_per_pixel) {
986 case 8:
987 regw(sc, DP_PIX_WIDTH, HOST_8BPP | SRC_8BPP | DST_8BPP);
988 regw(sc, DP_CHAIN_MASK, DP_CHAIN_8BPP);
989 /* We want 8 bit per channel */
990 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN);
991 break;
992 #if 0
993 case 32:
994 regw(sc, DP_PIX_WIDTH, HOST_32BPP | SRC_32BPP | DST_32BPP);
995 regw(sc, DP_CHAIN_MASK, DP_CHAIN_32BPP);
996 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN);
997 break;
998 #endif
999 }
1000
1001 wait_for_fifo(sc, 5);
1002 regw(sc, CRTC_INT_CNTL, regr(sc, CRTC_INT_CNTL) & ~0x20);
1003 regw(sc, GUI_TRAJ_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
1004
1005 wait_for_idle(sc);
1006 }
1007
1008 void
1009 mach64_adjust_frame(struct mach64_softc *sc, int x, int y)
1010 {
1011 int offset;
1012
1013 offset = ((x + y * sc->virt_x) * (sc->bits_per_pixel >> 3)) >> 3;
1014
1015 regw(sc, CRTC_OFF_PITCH, (regr(sc, CRTC_OFF_PITCH) & 0xfff00000) |
1016 offset);
1017 }
1018
1019 void
1020 mach64_set_dsp(struct mach64_softc *sc)
1021 {
1022 u_int32_t fifo_depth, page_size, dsp_precision, dsp_loop_latency;
1023 u_int32_t dsp_off, dsp_on, dsp_xclks_per_qw;
1024 u_int32_t xclks_per_qw, y;
1025 u_int32_t fifo_off, fifo_on;
1026
1027 printf("initializing the DSP\n");
1028 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
1029 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II ||
1030 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIP ||
1031 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_PCI ||
1032 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_B ||
1033 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_P) {
1034 dsp_loop_latency = 0;
1035 fifo_depth = 24;
1036 } else {
1037 dsp_loop_latency = 2;
1038 fifo_depth = 32;
1039 }
1040
1041 dsp_precision = 0;
1042 xclks_per_qw = (sc->mclk_fb_div * sc->vclk_post_div * 64 << 11) /
1043 (sc->vclk_fb_div * sc->mclk_post_div * sc->bits_per_pixel);
1044 y = (xclks_per_qw * fifo_depth) >> 11;
1045 while (y) {
1046 y >>= 1;
1047 dsp_precision++;
1048 }
1049 dsp_precision -= 5;
1050 fifo_off = ((xclks_per_qw * (fifo_depth - 1)) >> 5) + (3 << 6);
1051
1052 switch (sc->memtype) {
1053 case DRAM:
1054 case EDO_DRAM:
1055 case PSEUDO_EDO:
1056 if (sc->memsize > 1024) {
1057 page_size = 9;
1058 dsp_loop_latency += 6;
1059 } else {
1060 page_size = 10;
1061 if (sc->memtype == DRAM)
1062 dsp_loop_latency += 8;
1063 else
1064 dsp_loop_latency += 7;
1065 }
1066 break;
1067 case SDRAM:
1068 case SGRAM:
1069 if (sc->memsize > 1024) {
1070 page_size = 8;
1071 dsp_loop_latency += 8;
1072 } else {
1073 page_size = 10;
1074 dsp_loop_latency += 9;
1075 }
1076 break;
1077 default:
1078 page_size = 10;
1079 dsp_loop_latency += 9;
1080 break;
1081 }
1082
1083 if (xclks_per_qw >= (page_size << 11))
1084 fifo_on = ((2 * page_size + 1) << 6) + (xclks_per_qw >> 5);
1085 else
1086 fifo_on = (3 * page_size + 2) << 6;
1087
1088 dsp_xclks_per_qw = xclks_per_qw >> dsp_precision;
1089 dsp_on = fifo_on >> dsp_precision;
1090 dsp_off = fifo_off >> dsp_precision;
1091
1092 #ifdef DEBUG_MACHFB
1093 printf("dsp_xclks_per_qw = %d, dsp_on = %d, dsp_off = %d,\n"
1094 "dsp_precision = %d, dsp_loop_latency = %d,\n"
1095 "mclk_fb_div = %d, vclk_fb_div = %d,\n"
1096 "mclk_post_div = %d, vclk_post_div = %d\n",
1097 dsp_xclks_per_qw, dsp_on, dsp_off, dsp_precision, dsp_loop_latency,
1098 sc->mclk_fb_div, sc->vclk_fb_div,
1099 sc->mclk_post_div, sc->vclk_post_div);
1100 #endif
1101
1102 regw(sc, DSP_ON_OFF, ((dsp_on << 16) & DSP_ON) | (dsp_off & DSP_OFF));
1103 regw(sc, DSP_CONFIG, ((dsp_precision << 20) & DSP_PRECISION) |
1104 ((dsp_loop_latency << 16) & DSP_LOOP_LATENCY) |
1105 (dsp_xclks_per_qw & DSP_XCLKS_PER_QW));
1106 }
1107
1108 void
1109 mach64_set_pll(struct mach64_softc *sc, int clock)
1110 {
1111 int q;
1112
1113 q = (clock * sc->ref_div * 100) / (2 * sc->ref_freq);
1114 #ifdef DEBUG_MACHFB
1115 printf("q = %d\n", q);
1116 #endif
1117 if (q > 25500) {
1118 printf("Warning: q > 25500\n");
1119 q = 25500;
1120 sc->vclk_post_div = 1;
1121 sc->log2_vclk_post_div = 0;
1122 } else if (q > 12750) {
1123 sc->vclk_post_div = 1;
1124 sc->log2_vclk_post_div = 0;
1125 } else if (q > 6350) {
1126 sc->vclk_post_div = 2;
1127 sc->log2_vclk_post_div = 1;
1128 } else if (q > 3150) {
1129 sc->vclk_post_div = 4;
1130 sc->log2_vclk_post_div = 2;
1131 } else if (q >= 1600) {
1132 sc->vclk_post_div = 8;
1133 sc->log2_vclk_post_div = 3;
1134 } else {
1135 printf("Warning: q < 1600\n");
1136 sc->vclk_post_div = 8;
1137 sc->log2_vclk_post_div = 3;
1138 }
1139 sc->vclk_fb_div = q * sc->vclk_post_div / 100;
1140
1141 regwb_pll(sc, MCLK_FB_DIV, sc->mclk_fb_div);
1142 regwb_pll(sc, VCLK_POST_DIV, sc->log2_vclk_post_div);
1143 regwb_pll(sc, VCLK0_FB_DIV, sc->vclk_fb_div);
1144 }
1145
1146 void
1147 mach64_init_lut(struct mach64_softc *sc)
1148 {
1149 int i, idx;
1150
1151 idx = 0;
1152 for (i = 0; i < 256; i++) {
1153 mach64_putpalreg(sc, i, rasops_cmap[idx], rasops_cmap[idx + 1],
1154 rasops_cmap[idx + 2]);
1155 idx += 3;
1156 }
1157 }
1158
1159 int
1160 mach64_putpalreg(struct mach64_softc *sc, uint8_t index, uint8_t r, uint8_t g,
1161 uint8_t b)
1162 {
1163 sc->sc_cmap_red[index] = r;
1164 sc->sc_cmap_green[index] = g;
1165 sc->sc_cmap_blue[index] = b;
1166 /*
1167 * writing the dac index takes a while, in theory we can poll some
1168 * register to see when it's ready - but we better avoid writing it
1169 * unnecessarily
1170 */
1171 if (index != sc->sc_dacw) {
1172 regwb(sc, DAC_MASK, 0xff);
1173 regwb(sc, DAC_WINDEX, index);
1174 }
1175 sc->sc_dacw = index + 1;
1176 regwb(sc, DAC_DATA, r);
1177 regwb(sc, DAC_DATA, g);
1178 regwb(sc, DAC_DATA, b);
1179 return 0;
1180 }
1181
1182 int
1183 mach64_putcmap(struct mach64_softc *sc, struct wsdisplay_cmap *cm)
1184 {
1185 u_int index = cm->index;
1186 u_int count = cm->count;
1187 int i, error;
1188 u_char rbuf[256], gbuf[256], bbuf[256];
1189 u_char *r, *g, *b;
1190
1191 printf("putcmap: %d %d\n",index, count);
1192 if (cm->index >= 256 || cm->count > 256 ||
1193 (cm->index + cm->count) > 256)
1194 return EINVAL;
1195 error = copyin(cm->red, &rbuf[index], count);
1196 if (error)
1197 return error;
1198 error = copyin(cm->green, &gbuf[index], count);
1199 if (error)
1200 return error;
1201 error = copyin(cm->blue, &bbuf[index], count);
1202 if (error)
1203 return error;
1204
1205 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
1206 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
1207 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
1208
1209 r = &sc->sc_cmap_red[index];
1210 g = &sc->sc_cmap_green[index];
1211 b = &sc->sc_cmap_blue[index];
1212
1213 for (i = 0; i < count; i++) {
1214 mach64_putpalreg(sc, index, *r, *g, *b);
1215 index++;
1216 r++, g++, b++;
1217 }
1218 return 0;
1219 }
1220
1221 int
1222 mach64_getcmap(struct mach64_softc *sc, struct wsdisplay_cmap *cm)
1223 {
1224 u_int index = cm->index;
1225 u_int count = cm->count;
1226 int error;
1227
1228 if (index >= 255 || count > 256 || index + count > 256)
1229 return EINVAL;
1230
1231 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
1232 if (error)
1233 return error;
1234 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
1235 if (error)
1236 return error;
1237 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
1238 if (error)
1239 return error;
1240
1241 return 0;
1242 }
1243
1244 int
1245 mach64_set_screentype(struct mach64_softc *sc, const struct wsscreen_descr *des)
1246 {
1247 struct mach64_crtcregs regs;
1248
1249 if (mach64_calc_crtcregs(sc, ®s,
1250 (struct videomode *)des->modecookie))
1251 return 1;
1252
1253 mach64_set_crtcregs(sc, ®s);
1254 return 0;
1255 }
1256
1257 int
1258 mach64_is_console(struct pci_attach_args *pa)
1259 {
1260 #ifdef __sparc__
1261 int node;
1262
1263 node = PCITAG_NODE(pa->pa_tag);
1264 if (node == -1)
1265 return 0;
1266
1267 return (node == prom_instance_to_package(prom_stdout()));
1268 #elif defined(__powerpc__)
1269 /* check if we're the /chosen console device */
1270 int chosen, stdout, node, us;
1271
1272 us = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag);
1273 chosen = OF_finddevice("/chosen");
1274 OF_getprop(chosen, "stdout", &stdout, 4);
1275 node = OF_instance_to_package(stdout);
1276 return (us == node);
1277 #else
1278 return 1;
1279 #endif
1280 }
1281
1282 /*
1283 * wsdisplay_emulops
1284 */
1285
1286 void
1287 mach64_cursor(void *cookie, int on, int row, int col)
1288 {
1289 struct rasops_info *ri = cookie;
1290 struct mach64screen *scr = ri->ri_hw;
1291 struct mach64_softc *sc = scr->sc;
1292 int x, y, wi,he;
1293
1294 wi = ri->ri_font->fontwidth;
1295 he = ri->ri_font->fontheight;
1296
1297 if (scr->active) {
1298 x = scr->cursorcol * wi + ri->ri_xorigin;
1299 y = scr->cursorrow * he + ri->ri_yorigin;
1300 if (scr->cursordrawn) {
1301 mach64_bitblt(sc, x, y, x, y, wi, he, MIX_NOT_SRC,
1302 0xff);
1303 scr->cursordrawn=0;
1304 }
1305 scr->cursorrow = row;
1306 scr->cursorcol = col;
1307 if ((scr->cursoron = on) != 0)
1308 {
1309 x = scr->cursorcol * wi + ri->ri_xorigin;
1310 y = scr->cursorrow * he + ri->ri_yorigin;
1311 mach64_bitblt(sc, x, y, x, y, wi, he, MIX_NOT_SRC,
1312 0xff);
1313 scr->cursordrawn = 1;
1314 }
1315 } else {
1316 scr->cursoron = on;
1317 scr->cursorrow = row;
1318 scr->cursorcol = col;
1319 scr->cursordrawn = 0;
1320 }
1321 }
1322
1323 #if 0
1324 int
1325 mach64_mapchar(void *cookie, int uni, u_int *index)
1326 {
1327 return 0;
1328 }
1329 #endif
1330
1331 void
1332 mach64_putchar(void *cookie, int row, int col, u_int c, long attr)
1333 {
1334 struct rasops_info *ri = cookie;
1335 struct mach64screen *scr = ri->ri_hw;
1336 struct mach64_softc *sc = scr->sc;
1337 int offset = ri->ri_cols * row + col;
1338
1339 scr->attrs[offset] = attr;
1340 scr->chars[offset] = c;
1341 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1342 int fg, bg, uc;
1343 uint8_t *data;
1344 int x, y, wi, he;
1345 wi = ri->ri_font->fontwidth;
1346 he = ri->ri_font->fontheight;
1347
1348 #ifdef notdef
1349 scr->putchar(cookie,row,col,c,attr);
1350 #endif
1351 if (!CHAR_IN_FONT(c, ri->ri_font))
1352 return;
1353 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xf];
1354 fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xf];
1355 x = ri->ri_xorigin + col * wi;
1356 y = ri->ri_yorigin + row * he;
1357 if (c == 0x20) {
1358 mach64_rectfill(sc, x, y, wi, he, bg);
1359 } else {
1360 uc = c-ri->ri_font->firstchar;
1361 data = (uint8_t *)ri->ri_font->data + uc *
1362 ri->ri_fontscale;
1363
1364 mach64_setup_mono(sc, x, y, wi, he, fg, bg);
1365 mach64_feed_bytes(sc, ri->ri_fontscale, data);
1366 }
1367 }
1368 }
1369
1370
1371 void
1372 mach64_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1373 {
1374 struct rasops_info *ri=cookie;
1375 struct mach64screen *scr=ri->ri_hw;
1376 struct mach64_softc *sc=scr->sc;
1377 int32_t xs,xd,y,width,height;
1378 int from, to;
1379
1380 from = srccol + row * ri->ri_cols;
1381 to = dstcol + row * ri->ri_cols;
1382
1383 memmove(&scr->attrs[to], &scr->attrs[from], ncols * sizeof(long));
1384 memmove(&scr->chars[to], &scr->chars[from], ncols * sizeof(u_int));
1385
1386 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1387 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1388 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1389 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1390 width = ri->ri_font->fontwidth * ncols;
1391 height = ri->ri_font->fontheight;
1392 mach64_bitblt(sc, xs, y, xd, y, width, height, MIX_SRC, 0xff);
1393 }
1394 }
1395
1396 void
1397 mach64_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1398 {
1399 struct rasops_info *ri=cookie;
1400 struct mach64screen *scr=ri->ri_hw;
1401 struct mach64_softc *sc=scr->sc;
1402 int32_t x, y, width, height, fg, bg, ul;
1403 int start, end, i;
1404
1405 start = startcol + row * ri->ri_cols;
1406 end = start + ncols;
1407
1408 for (i = start; i < end; i++) {
1409 scr->attrs[i] = fillattr;
1410 scr->chars[i] = 0x20;
1411 }
1412 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1413 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1414 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1415 width = ri->ri_font->fontwidth * ncols;
1416 height = ri->ri_font->fontheight;
1417 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1418
1419 mach64_rectfill(sc, x, y, width, height, bg);
1420 }
1421 }
1422
1423 void
1424 mach64_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1425 {
1426 struct rasops_info *ri=cookie;
1427 struct mach64screen *scr=ri->ri_hw;
1428 struct mach64_softc *sc=scr->sc;
1429 int32_t x, ys, yd, width, height;
1430 int from, to, len;
1431
1432 from = ri->ri_cols * srcrow;
1433 to = ri->ri_cols * dstrow;
1434 len = ri->ri_cols * nrows;
1435
1436 memmove(&scr->attrs[to], &scr->attrs[from], len*sizeof(long));
1437 memmove(&scr->chars[to], &scr->chars[from], len*sizeof(u_int));
1438
1439 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1440 x = ri->ri_xorigin;
1441 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1442 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1443 width = ri->ri_emuwidth;
1444 height = ri->ri_font->fontheight*nrows;
1445 mach64_bitblt(sc, x, ys, x, yd, width, height, MIX_SRC, 0xff);
1446 }
1447 }
1448
1449 void
1450 mach64_eraserows(void *cookie, int row, int nrows, long fillattr)
1451 {
1452 struct rasops_info *ri=cookie;
1453 struct mach64screen *scr=ri->ri_hw;
1454 struct mach64_softc *sc=scr->sc;
1455 int32_t x,y,width,height,fg,bg,ul;
1456 int start, end, i;
1457
1458 start = ri->ri_cols * row;
1459 end = ri->ri_cols * (row + nrows);
1460
1461 for (i=start;i<end;i++) {
1462 scr->attrs[i] = fillattr;
1463 scr->chars[i] = 0x20;
1464 }
1465
1466 if ((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1467 x = ri->ri_xorigin;
1468 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1469 width = ri->ri_emuwidth;
1470 height = ri->ri_font->fontheight * nrows;
1471 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1472
1473 mach64_rectfill(sc, x, y, width, height, bg);
1474 }
1475 }
1476
1477 void
1478 mach64_bitblt(struct mach64_softc *sc, int xs, int ys, int xd, int yd, int width, int height, int rop, int mask)
1479 {
1480 uint32_t dest_ctl = 0;
1481
1482 wait_for_idle(sc);
1483 regw(sc, DP_WRITE_MASK, mask); /* XXX only good for 8 bit */
1484 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_8BPP | HOST_8BPP);
1485 regw(sc, DP_SRC, FRGD_SRC_BLIT);
1486 regw(sc, DP_MIX, (rop & 0xffff) << 16);
1487 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */
1488 if (yd < ys) {
1489 dest_ctl = DST_Y_TOP_TO_BOTTOM;
1490 } else {
1491 ys += height - 1;
1492 yd += height - 1;
1493 dest_ctl = DST_Y_BOTTOM_TO_TOP;
1494 }
1495 if (xd < xs) {
1496 dest_ctl |= DST_X_LEFT_TO_RIGHT;
1497 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT);
1498 } else {
1499 dest_ctl |= DST_X_RIGHT_TO_LEFT;
1500 xs += width - 1;
1501 xd += width - 1;
1502 regw(sc, SRC_CNTL, SRC_LINE_X_RIGHT_TO_LEFT);
1503 }
1504 regw(sc, DST_CNTL, dest_ctl);
1505
1506 regw(sc, SRC_Y_X, (xs << 16) | ys);
1507 regw(sc, SRC_WIDTH1, width);
1508 regw(sc, DST_Y_X, (xd << 16) | yd);
1509 regw(sc, DST_HEIGHT_WIDTH, (width << 16) | height);
1510 }
1511
1512 void
1513 mach64_setup_mono(struct mach64_softc *sc, int xd, int yd, int width,
1514 int height, uint32_t fg, uint32_t bg)
1515 {
1516 wait_for_idle(sc);
1517 regw(sc, DP_WRITE_MASK, 0xff); /* XXX only good for 8 bit */
1518 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_1BPP | HOST_1BPP);
1519 regw(sc, DP_SRC, MONO_SRC_HOST | BKGD_SRC_BKGD_CLR | FRGD_SRC_FRGD_CLR);
1520 regw(sc, DP_MIX, ((MIX_SRC & 0xffff) << 16) | MIX_SRC);
1521 regw(sc, CLR_CMP_CNTL ,0); /* no transparency */
1522 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT);
1523 regw(sc, DST_CNTL, DST_Y_TOP_TO_BOTTOM | DST_X_LEFT_TO_RIGHT);
1524 regw(sc, HOST_CNTL, HOST_BYTE_ALIGN);
1525 regw(sc, DP_BKGD_CLR, bg);
1526 regw(sc, DP_FRGD_CLR, fg);
1527 regw(sc, SRC_Y_X, 0);
1528 regw(sc, SRC_WIDTH1, width);
1529 regw(sc, DST_Y_X, (xd << 16) | yd);
1530 regw(sc, DST_HEIGHT_WIDTH, (width << 16) | height);
1531 /* now feed the data into the chip */
1532 }
1533
1534 void
1535 mach64_feed_bytes(struct mach64_softc *sc, int count, uint8_t *data)
1536 {
1537 int i;
1538 uint32_t latch = 0, bork;
1539 int shift = 0;
1540 int reg = 0;
1541
1542 for (i=0;i<count;i++) {
1543 bork = data[i];
1544 latch |= (bork << shift);
1545 if (shift == 24) {
1546 regw(sc, HOST_DATA0 + reg, latch);
1547 latch = 0;
1548 shift = 0;
1549 reg = (reg + 4) & 0x3c;
1550 } else
1551 shift += 8;
1552 }
1553 if (shift != 0) /* 24 */
1554 regw(sc, HOST_DATA0 + reg, latch);
1555 }
1556
1557
1558 void
1559 mach64_rectfill(struct mach64_softc *sc, int x, int y, int width, int height,
1560 int colour)
1561 {
1562 wait_for_idle(sc);
1563 regw(sc, DP_WRITE_MASK, 0xff);
1564 regw(sc, DP_FRGD_CLR, colour);
1565 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_8BPP | HOST_8BPP);
1566 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR);
1567 regw(sc, DP_MIX, MIX_SRC << 16);
1568 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */
1569 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT);
1570 regw(sc, DST_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
1571
1572 regw(sc, SRC_Y_X, (x << 16) | y);
1573 regw(sc, SRC_WIDTH1, width);
1574 regw(sc, DST_Y_X, (x << 16) | y);
1575 regw(sc, DST_HEIGHT_WIDTH, (width << 16) | height);
1576 }
1577
1578 void
1579 mach64_clearscreen(struct mach64_softc *sc)
1580 {
1581 mach64_rectfill(sc, 0, 0, sc->virt_x, sc->virt_y, sc->sc_bg);
1582 }
1583
1584
1585 void
1586 mach64_showpal(struct mach64_softc *sc)
1587 {
1588 int i, x = 0;
1589
1590 for (i = 0; i < 16; i++) {
1591 mach64_rectfill(sc, x, 0, 64, 64, i);
1592 x += 64;
1593 }
1594 }
1595
1596 int
1597 mach64_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1598 {
1599 if ((fg == 0) && (bg == 0))
1600 {
1601 fg = WS_DEFAULT_FG;
1602 bg = WS_DEFAULT_BG;
1603 }
1604 *attrp = (fg & 0xf) << 24 | (bg & 0xf) << 16 | (flags & 0xff) << 8;
1605 return 0;
1606 }
1607
1608 /*
1609 * wsdisplay_accessops
1610 */
1611
1612 int
1613 mach64_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
1614 {
1615 struct mach64_softc *sc = v;
1616 struct wsdisplay_fbinfo *wdf;
1617 struct mach64screen *ms=sc->active;
1618
1619 switch (cmd) {
1620 case WSDISPLAYIO_GTYPE:
1621 /* XXX is this the right type to return? */
1622 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
1623 return 0;
1624
1625 case WSDISPLAYIO_GINFO:
1626 wdf = (void *)data;
1627 wdf->height = ms->ri.ri_height;
1628 wdf->width = ms->ri.ri_width;
1629 wdf->depth = ms->ri.ri_depth;
1630 wdf->cmsize = 256;
1631 return 0;
1632
1633 case WSDISPLAYIO_GETCMAP:
1634 return mach64_getcmap(sc,
1635 (struct wsdisplay_cmap *)data);
1636
1637 case WSDISPLAYIO_PUTCMAP:
1638 return mach64_putcmap(sc,
1639 (struct wsdisplay_cmap *)data);
1640
1641 /* PCI config read/write passthrough. */
1642 case PCI_IOC_CFGREAD:
1643 case PCI_IOC_CFGWRITE:
1644 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag,
1645 cmd, data, flag, p));
1646
1647 case WSDISPLAYIO_SMODE:
1648 {
1649 int new_mode = *(int*)data;
1650
1651 if (new_mode != sc->sc_mode)
1652 {
1653 sc->sc_mode = new_mode;
1654 if (new_mode == WSDISPLAYIO_MODE_EMUL)
1655 {
1656 /*
1657 * reset a few things the
1658 * Xserver might have screwed up
1659 */
1660 mach64_restore_screen(ms,
1661 ms->type, ms->chars);
1662 mach64_cursor(ms, ms->cursoron,
1663 ms->cursorrow,
1664 ms->cursorcol);
1665 }
1666 }
1667 }
1668 return 0;
1669
1670 case WSDISPLAYIO_GETWSCHAR:
1671 return mach64_getwschar(sc,
1672 (struct wsdisplay_char *)data);
1673
1674 case WSDISPLAYIO_PUTWSCHAR:
1675 return mach64_putwschar(sc,
1676 (struct wsdisplay_char *)data);
1677 }
1678 return EPASSTHROUGH;
1679 }
1680
1681 paddr_t
1682 mach64_mmap(void *v, off_t offset, int prot)
1683 {
1684 struct mach64_softc *sc = v;
1685 paddr_t pa;
1686
1687 /* 'regular' framebuffer mmap()ing */
1688 if (offset<sc->sc_apersize) {
1689 pa = bus_space_mmap(sc->sc_memt, sc->sc_aperbase+offset, 0,
1690 prot, BUS_SPACE_MAP_LINEAR);
1691 return pa;
1692 }
1693 #if 0
1694 /* evil hack to allow mmap()ing other devices as well */
1695 if ((offset > 0x80000000) && (offset <= 0xffffffff)) {
1696 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
1697 BUS_SPACE_MAP_LINEAR);
1698 return pa;
1699 }
1700 #endif
1701
1702 if ((offset >= sc->sc_aperphys) &&
1703 (offset < (sc->sc_aperphys + sc->sc_apersize))) {
1704 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
1705 BUS_SPACE_MAP_LINEAR);
1706 return pa;
1707 }
1708
1709 if ((offset >= sc->sc_regphys) &&
1710 (offset < (sc->sc_regphys + sc->sc_regsize))) {
1711 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
1712 BUS_SPACE_MAP_LINEAR);
1713 return pa;
1714 }
1715
1716 return -1;
1717 }
1718
1719 int
1720 mach64_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
1721 int *curxp, int *curyp, long *defattrp)
1722 {
1723 struct mach64_softc *sc = v;
1724 struct mach64screen *scr;
1725 struct rasops_info *ri;
1726 int cnt = type->nrows * type->ncols;
1727
1728 scr = malloc(sizeof(struct mach64screen), M_DEVBUF, M_WAITOK | M_ZERO);
1729 mach64_init_screen(sc, scr, type, 0, defattrp, sc->active == NULL);
1730 ri = &scr->ri;
1731
1732 ri->ri_hw = scr;
1733 #ifdef notdef
1734 ri->ri_bits = (void *)sc->sc_aperbase;
1735 #endif
1736 rasops_init(ri, mach64_console_screen.ri.ri_height / 8,
1737 mach64_console_screen.ri.ri_width / 8);
1738
1739 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
1740 ri->ri_width / ri->ri_font->fontwidth);
1741 set_address(ri, sc->sc_aperbase);
1742 mach64_allocattr(ri, WS_DEFAULT_FG, WS_DEFAULT_BG, 0, defattrp);
1743
1744 scr->ri.ri_ops.copyrows = mach64_copyrows;
1745 scr->ri.ri_ops.eraserows = mach64_eraserows;
1746 scr->ri.ri_ops.copycols = mach64_copycols;
1747 scr->ri.ri_ops.erasecols = mach64_erasecols;
1748 scr->ri.ri_ops.putchar = mach64_putchar;
1749 scr->ri.ri_ops.cursor = mach64_cursor;
1750
1751 scr->attrs = malloc(cnt * (sizeof(long) + sizeof(u_int)),
1752 M_DEVBUF, M_WAITOK);
1753 scr->chars = (u_int *)&scr->attrs[cnt];
1754 mach64_eraserows(ri, 0, ri->ri_rows, *defattrp);
1755
1756 if (sc->active == NULL) {
1757 scr->active = 1;
1758 sc->active = scr;
1759 sc->currenttype = type;
1760 }
1761
1762 *cookiep = scr;
1763 *curxp = scr->cursorcol;
1764 *curyp = scr->cursorrow;
1765
1766 return 0;
1767 }
1768
1769 void
1770 mach64_free_screen(void *v, void *cookie)
1771 {
1772 struct mach64_softc *sc = v;
1773 struct mach64screen *scr = cookie;
1774
1775 LIST_REMOVE(scr, next);
1776 if (scr != &mach64_console_screen) {
1777 free(scr->attrs, M_DEVBUF);
1778 free(scr, M_DEVBUF);
1779 } else
1780 panic("mach64_free_screen: console");
1781
1782 if (sc->active == scr)
1783 sc->active = 0;
1784 }
1785
1786 int
1787 mach64_show_screen(void *v, void *cookie, int waitok,
1788 void (*cb)(void *, int, int), void *cbarg)
1789 {
1790 struct mach64_softc *sc = v;
1791 struct mach64screen *scr, *oldscr;
1792
1793 scr = cookie;
1794 oldscr = sc->active;
1795 if (scr == oldscr)
1796 return 0;
1797
1798 sc->wanted = scr;
1799 sc->switchcb = cb;
1800 sc->switchcbarg = cbarg;
1801 if (cb) {
1802 callout_reset(&sc->switch_callout, 0,
1803 (void(*)(void *))mach64_switch_screen, sc);
1804 return EAGAIN;
1805 }
1806
1807 mach64_switch_screen(sc);
1808
1809 return 0;
1810 }
1811
1812 void
1813 mach64_switch_screen(struct mach64_softc *sc)
1814 {
1815 struct mach64screen *scr, *oldscr;
1816 const struct wsscreen_descr *type;
1817
1818 scr = sc->wanted;
1819 if (!scr) {
1820 printf("mach64_switch_screen: disappeared\n");
1821 (*sc->switchcb)(sc->switchcbarg, EIO, 0);
1822 return;
1823 }
1824 type = scr->type;
1825 oldscr = sc->active; /* can be NULL! */
1826 #ifdef DIAGNOSTIC
1827 if (oldscr) {
1828 if (!oldscr->active)
1829 panic("mach64_switch_screen: not active");
1830 if (oldscr->type != sc->currenttype)
1831 panic("mach64_switch_screen: bad type %p != %p",
1832 oldscr->type, sc->currenttype);
1833 }
1834 #endif
1835 if (scr == oldscr)
1836 return;
1837
1838 #ifdef DIAGNOSTIC
1839 /* XXX: this one bites us at reboot */
1840 #ifdef notdef
1841 if (scr->active)
1842 panic("mach64_switch_screen: active");
1843 #endif
1844 #endif
1845
1846 if (oldscr)
1847 oldscr->active = 0;
1848
1849 if (sc->currenttype != type) {
1850 mach64_set_screentype(sc, type);
1851 sc->currenttype = type;
1852 }
1853
1854 scr->dispoffset = scr->mindispoffset;
1855
1856 if (!oldscr || (scr->dispoffset != oldscr->dispoffset)) {
1857
1858 }
1859
1860 /* Clear the entire screen. */
1861
1862 scr->active = 1;
1863 mach64_restore_screen(scr, type, scr->chars);
1864
1865 sc->active = scr;
1866
1867 scr->ri.ri_ops.cursor(scr, scr->cursoron, scr->cursorrow,
1868 scr->cursorcol);
1869
1870 sc->wanted = 0;
1871 if (sc->switchcb)
1872 (*sc->switchcb)(sc->switchcbarg, 0, 0);
1873 }
1874
1875 void
1876 mach64_restore_screen(struct mach64screen *scr,
1877 const struct wsscreen_descr *type, u_int *mem)
1878 {
1879 int i, j, offset = 0;
1880 u_int *charptr = scr->chars;
1881 long *attrptr = scr->attrs;
1882
1883 mach64_clearscreen(scr->sc);
1884 for (i = 0; i < scr->ri.ri_rows; i++) {
1885 for (j = 0; j < scr->ri.ri_cols; j++) {
1886 mach64_putchar(scr, i, j, charptr[offset],
1887 attrptr[offset]);
1888 offset++;
1889 }
1890 }
1891 scr->cursordrawn = 0;
1892 }
1893
1894 /* set ri->ri_bits according to fb, ri_xorigin and ri_yorigin */
1895 void
1896 set_address(struct rasops_info *ri, bus_addr_t fb)
1897 {
1898 #ifdef notdef
1899 printf(" %d %d %d\n", ri->ri_xorigin, ri->ri_yorigin, ri->ri_stride);
1900 #endif
1901 ri->ri_bits = (void *)((u_long)fb + ri->ri_stride * ri->ri_yorigin +
1902 ri->ri_xorigin);
1903 }
1904
1905 int
1906 mach64_getwschar(void *cookie, struct wsdisplay_char *wsc)
1907 {
1908 struct mach64_softc *sc = cookie;
1909 struct mach64screen *scr = sc->active;
1910 int fg, bg, fl;
1911
1912 if (scr){
1913 if ((wsc->col >= 0) && (wsc->col < scr->ri.ri_cols) &&
1914 (wsc->row >= 0) && (wsc->row < scr->ri.ri_rows)) {
1915 int pos = scr->ri.ri_cols * wsc->row + wsc->col;
1916
1917 wsc->letter = scr->chars[pos];
1918 rasops_unpack_attr(scr->attrs[pos], &fg, &bg, &fl);
1919 wsc->foreground = fg;
1920 wsc->background = bg;
1921 wsc->flags = fl;
1922 return 0;
1923 }
1924 }
1925 return EINVAL;
1926 }
1927
1928 int
1929 mach64_putwschar(void *cookie, struct wsdisplay_char *wsc)
1930 {
1931 struct mach64_softc *sc=cookie;
1932 struct mach64screen *scr=sc->active;
1933 long attr;
1934
1935 if (scr){
1936 if ((wsc->col >= 0) && (wsc->col < scr->ri.ri_cols) &&
1937 (wsc->row >= 0) && (wsc->row < scr->ri.ri_rows)) {
1938 mach64_allocattr(&scr->ri, wsc->foreground,
1939 wsc->background, wsc->flags,&attr);
1940 mach64_putchar(&scr->ri, wsc->row, wsc->col,
1941 wsc->letter, attr);
1942 return 0;
1943 }
1944 }
1945 return EINVAL;
1946 }
1947
1948 #if 0
1949 int
1950 mach64_load_font(void *v, void *cookie, struct wsdisplay_font *data)
1951 {
1952
1953 return 0;
1954 }
1955 #endif
1956