machfb.c revision 1.23.2.2 1 /* $NetBSD: machfb.c,v 1.23.2.2 2005/06/08 11:45:53 tron 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 1.23.2.2 2005/06/08 11:45:53 tron 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 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 ;
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 ;
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 /* enable memory and IO access */
503 screg=pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_COMMAND_STATUS_REG);
504 screg|=PCI_FLAGS_IO_ENABLED|PCI_FLAGS_MEM_ENABLED;
505 pci_conf_write(sc->sc_pc, sc->sc_pcitag,PCI_COMMAND_STATUS_REG,screg);
506
507 for (bar = 0; bar < NBARS; bar++) {
508 reg = PCI_MAPREG_START + (bar * 4);
509 sc->sc_bars[bar].vb_type = pci_mapreg_type(sc->sc_pc,
510 sc->sc_pcitag, reg);
511 (void)pci_mapreg_info(sc->sc_pc, sc->sc_pcitag, reg,
512 sc->sc_bars[bar].vb_type, &sc->sc_bars[bar].vb_base,
513 &sc->sc_bars[bar].vb_size, &sc->sc_bars[bar].vb_flags);
514 sc->sc_bars[bar].vb_busaddr=pci_conf_read(sc->sc_pc,
515 sc->sc_pcitag, reg)&0xfffffff0;
516 }
517 sc->sc_memt = pa->pa_memt;
518
519 mach64_init(sc);
520
521 printf("%s: %d MB aperture at 0x%08x, %d KB registers at 0x%08x\n",
522 sc->sc_dev.dv_xname, (u_int)(sc->sc_apersize / (1024 * 1024)),
523 (u_int)sc->sc_aperphys, (u_int)(sc->sc_regsize / 1024),
524 (u_int)sc->sc_regphys);
525
526 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_CT ||
527 ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
528 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
529 (mach64_chip_rev & 0x07) == 0))
530 sc->has_dsp = 0;
531 else
532 sc->has_dsp = 1;
533
534 sc->memsize = mach64_get_memsize(sc);
535 if (sc->memsize == 8192)
536 /* The last page is used as register aperture. */
537 sc->memsize -= 4;
538 sc->memtype = regr(sc, CONFIG_STAT0) & 0x07;
539
540 /* XXX is there any way to calculate reference frequency from
541 known values? */
542 if ((mach64_chip_id == PCI_PRODUCT_ATI_RAGE_XL_PCI) ||
543 ((mach64_chip_id>=PCI_PRODUCT_ATI_RAGE_LT_PRO_PCI) &&
544 (mach64_chip_id<=PCI_PRODUCT_ATI_RAGE_LT_PRO))) {
545 printf("ref_freq=29.498MHz\n");
546 sc->ref_freq = 29498;
547 } else
548 sc->ref_freq = 14318;
549
550 regwb(sc, CLOCK_CNTL + 1, PLL_REF_DIV << 2);
551 sc->ref_div = regrb(sc, CLOCK_CNTL + 2);
552 regwb(sc, CLOCK_CNTL + 1, MCLK_FB_DIV << 2);
553 sc->mclk_fb_div = regrb(sc, CLOCK_CNTL + 2);
554 sc->mem_freq = (2 * sc->ref_freq * sc->mclk_fb_div) /
555 (sc->ref_div * 2);
556 sc->mclk_post_div = (sc->mclk_fb_div * 2 * sc->ref_freq) /
557 (sc->mem_freq * sc->ref_div);
558 sc->ramdac_freq = mach64_get_max_ramdac(sc);
559 printf("%s: %ld KB %s %d.%d MHz, maximum RAMDAC clock %d MHz\n",
560 sc->sc_dev.dv_xname, (u_long)sc->memsize,
561 mach64_memtype_names[sc->memtype],
562 sc->mem_freq / 1000, sc->mem_freq % 1000,
563 sc->ramdac_freq / 1000);
564
565 id = regr(sc, CONFIG_CHIP_ID) & 0xffff;
566 if (id != mach64_chip_id) {
567 printf("%s: chip ID mismatch, 0x%x != 0x%x\n",
568 sc->sc_dev.dv_xname, id, mach64_chip_id);
569 return;
570 }
571
572 console = mach64_is_console(pa);
573
574 #if defined(__sparc__) || defined(__powerpc__)
575 if (console) {
576 mach64_get_mode(sc, &default_mode);
577 setmode = 0;
578 } else {
579 memcpy(&default_mode, &mach64_modes[4], sizeof(struct
580 videomode));
581 setmode = 1;
582 }
583 #else
584 memcpy(&default_mode, &mach64_modes[0], sizeof(struct videomode));
585 setmode = 1;
586 #endif
587
588 sc->bits_per_pixel = 8;
589 sc->virt_x = default_mode.hdisplay;
590 sc->virt_y = default_mode.vdisplay;
591 sc->max_x = sc->virt_x - 1;
592 sc->max_y = (sc->memsize * 1024) /
593 (sc->virt_x * (sc->bits_per_pixel / 8)) - 1;
594
595 sc->color_depth = CRTC_PIX_WIDTH_8BPP;
596
597 mach64_init_engine(sc);
598 #if 0
599 mach64_adjust_frame(0, 0);
600 if (sc->bits_per_pixel == 8)
601 mach64_init_lut(sc);
602 #endif
603
604 printf("%s: initial resolution %dx%d at %d bpp\n", sc->sc_dev.dv_xname,
605 default_mode.hdisplay, default_mode.vdisplay,
606 sc->bits_per_pixel);
607
608 mach64_console_screen.ri.ri_hw = &mach64_console_screen;
609 mach64_console_screen.ri.ri_depth = sc->bits_per_pixel;
610 mach64_console_screen.ri.ri_width = default_mode.hdisplay;
611 mach64_console_screen.ri.ri_height = default_mode.vdisplay;
612 mach64_console_screen.ri.ri_stride = mach64_console_screen.ri.ri_width;
613
614 mach64_console_screen.ri.ri_bits=(void *)(uintptr_t)sc->sc_aperbase;
615
616 mach64_console_screen.ri.ri_flg = RI_CENTER;
617 mach64_console_screen.active=1;
618 sc->active=&mach64_console_screen;
619
620 /* XXX width/height are nonsense, we only want to pick a font */
621 rasops_init(&mach64_console_screen.ri,
622 mach64_console_screen.ri.ri_height / 16,
623 mach64_console_screen.ri.ri_width / 8);
624
625 /* now get the real values */
626 rasops_reconfig(&mach64_console_screen.ri,
627 mach64_console_screen.ri.ri_height /
628 mach64_console_screen.ri.ri_font->fontheight,
629 mach64_console_screen.ri.ri_width /
630 mach64_console_screen.ri.ri_font->fontwidth);
631
632 set_address(&mach64_console_screen.ri,sc->sc_aperbase);
633
634 /* enable acceleration */
635 mach64_console_screen.ri.ri_ops.copyrows=mach64_copyrows;
636 mach64_console_screen.ri.ri_ops.eraserows=mach64_eraserows;
637 mach64_console_screen.ri.ri_ops.copycols=mach64_copycols;
638 mach64_console_screen.ri.ri_ops.erasecols=mach64_erasecols;
639 mach64_console_screen.ri.ri_ops.putchar=mach64_putchar;
640 mach64_console_screen.ri.ri_ops.cursor=mach64_cursor;
641
642 mach64_defaultscreen.nrows = mach64_console_screen.ri.ri_rows;
643 mach64_defaultscreen.ncols = mach64_console_screen.ri.ri_cols;
644
645 mach64_allocattr(&mach64_console_screen.ri, WS_DEFAULT_FG,
646 WS_DEFAULT_BG, 0, &defattr);
647
648 sc->sc_bg=WS_DEFAULT_BG;
649
650 /* really necessary? */
651 mach64_defaultscreen.capabilities=mach64_console_screen.ri.ri_caps;
652 mach64_defaultscreen.textops=&mach64_console_screen.ri.ri_ops;
653
654 /* Initialize fonts */
655 /* XXX shouldn't that happen /before/ we call rasops_init()? */
656 wsfont_init();
657
658 if (console) {
659 mach64_init_screen(sc, &mach64_console_screen,
660 &mach64_defaultscreen, 1, &defattr, setmode);
661 wsdisplay_cnattach(&mach64_defaultscreen,
662 &mach64_console_screen.ri, 0, 0, defattr);
663 }
664
665 mach64_init_lut(sc);
666 mach64_clearscreen(sc);
667
668 aa.console = console;
669 aa.scrdata = &mach64_screenlist;
670 aa.accessops = &mach64_accessops;
671 aa.accesscookie = sc;
672
673 config_found(self, &aa, wsemuldisplaydevprint);
674 }
675
676 void
677 mach64_init_screen(struct mach64_softc *sc, struct mach64screen *scr,
678 const struct wsscreen_descr *type, int existing, long *attrp, int setmode)
679 {
680 struct rasops_info *ri=&scr->ri;
681 int cnt;
682 scr->sc = sc;
683 scr->type = type;
684 scr->mindispoffset = 0;
685 scr->maxdispoffset = sc->memsize * 1024;
686 scr->dispoffset = 0;
687 scr->cursorcol = 0;
688 scr->cursorrow = 0;
689
690 cnt=type->nrows * type->ncols;
691 scr->attrs=(long *)malloc(cnt * (sizeof(long) + sizeof(u_int)),
692 M_DEVBUF, M_WAITOK);
693 scr->chars=(u_int *)&scr->attrs[cnt];
694
695 /*
696 * we allocate both chars and attributes in one chunk, attributes first
697 * because they have the (potentially) bigger alignment
698 */
699 ri->ri_depth = sc->bits_per_pixel;
700 ri->ri_width = default_mode.hdisplay;
701 ri->ri_height = default_mode.vdisplay;
702 ri->ri_stride = ri->ri_width;
703 ri->ri_flg = RI_CENTER;
704
705 if (existing) {
706 scr->active = 1;
707 ri->ri_flg|=RI_CLEAR;
708 if (setmode && mach64_set_screentype(sc, type)) {
709 panic("%s: failed to switch video mode",
710 sc->sc_dev.dv_xname);
711 }
712 } else {
713 scr->active = 0;
714 }
715
716 LIST_INSERT_HEAD(&sc->screens, scr, next);
717 }
718
719 void
720 mach64_init(struct mach64_softc *sc)
721 {
722 u_int32_t *p32, saved_value;
723 u_int8_t *p;
724 int need_swap;
725
726 if (bus_space_map(sc->sc_memt, sc->sc_aperbase, sc->sc_apersize,
727 BUS_SPACE_MAP_LINEAR, &sc->sc_memh)) {
728 panic("%s: failed to map aperture", sc->sc_dev.dv_xname);
729 }
730 sc->sc_aperbase = (vaddr_t)bus_space_vaddr(sc->sc_memt, sc->sc_memh);
731
732 sc->sc_regt = sc->sc_memt;
733 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF,
734 sc->sc_regsize, &sc->sc_regh);
735 sc->sc_regbase = sc->sc_aperbase + 0x7ffc00;
736
737 /*
738 * Test wether the aperture is byte swapped or not
739 */
740 p32 = (u_int32_t*)(u_long)sc->sc_aperbase;
741 saved_value = *p32;
742 p = (u_int8_t*)(u_long)sc->sc_aperbase;
743 *p32 = 0x12345678;
744 if (p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)
745 need_swap = 0;
746 else
747 need_swap = 1;
748 if (need_swap) {
749 sc->sc_aperbase += 0x800000;
750 sc->sc_apersize -= 0x800000;
751 }
752 *p32 = saved_value;
753
754 LIST_INIT(&sc->screens);
755 sc->active = NULL;
756 sc->currenttype = &mach64_defaultscreen;
757 callout_init(&sc->switch_callout);
758 }
759
760 int
761 mach64_get_memsize(struct mach64_softc *sc)
762 {
763 int tmp, memsize;
764 int mem_tab[] = {
765 512, 1024, 2048, 4096, 6144, 8192, 12288, 16384
766 };
767
768 tmp = regr(sc, MEM_CNTL);
769 printf("memctl: %08x\n",tmp);
770 if (sc->has_dsp) {
771 tmp &= 0x0000000f;
772 if (tmp < 8)
773 memsize = (tmp + 1) * 512;
774 else if (tmp < 12)
775 memsize = (tmp - 3) * 1024;
776 else
777 memsize = (tmp - 7) * 2048;
778 } else {
779 memsize = mem_tab[tmp & 0x07];
780 }
781
782 return memsize;
783 }
784
785 int
786 mach64_get_max_ramdac(struct mach64_softc *sc)
787 {
788 int i;
789
790 if ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
791 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
792 (mach64_chip_rev & 0x07))
793 return 170000;
794
795 for (i = 0; i < sizeof(mach64_info) / sizeof(mach64_info[0]); i++)
796 if (mach64_chip_id == mach64_info[i].chip_id)
797 return mach64_info[i].ramdac_freq;
798
799 if (sc->bits_per_pixel == 8)
800 return 135000;
801 else
802 return 80000;
803 }
804
805 void
806 mach64_get_mode(struct mach64_softc *sc, struct videomode *mode)
807 {
808 struct mach64_crtcregs crtc;
809
810 crtc.h_total_disp = regr(sc, CRTC_H_TOTAL_DISP);
811 crtc.h_sync_strt_wid = regr(sc, CRTC_H_SYNC_STRT_WID);
812 crtc.v_total_disp = regr(sc, CRTC_V_TOTAL_DISP);
813 crtc.v_sync_strt_wid = regr(sc, CRTC_V_SYNC_STRT_WID);
814
815 mode->htotal = ((crtc.h_total_disp & 0xffff) + 1) << 3;
816 mode->hdisplay = ((crtc.h_total_disp >> 16) + 1) << 3;
817 mode->hsync_start = ((crtc.h_sync_strt_wid & 0xffff) + 1) << 3;
818 mode->hsync_end = ((crtc.h_sync_strt_wid >> 16) << 3) +
819 mode->hsync_start;
820 mode->vtotal = (crtc.v_total_disp & 0xffff) + 1;
821 mode->vdisplay = (crtc.v_total_disp >> 16) + 1;
822 mode->vsync_start = (crtc.v_sync_strt_wid & 0xffff) + 1;
823 mode->vsync_end = (crtc.v_sync_strt_wid >> 16) + mode->vsync_start;
824
825 #ifdef DEBUG_MACHFB
826 printf("mach64_get_mode: %d %d %d %d %d %d %d %d\n",
827 mode->hdisplay, mode->hsync_start, mode->hsync_end, mode->htotal,
828 mode->vdisplay, mode->vsync_start, mode->vsync_end, mode->vtotal);
829 #endif
830 }
831
832 int
833 mach64_calc_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc,
834 struct videomode *mode)
835 {
836
837 if (mode->dot_clock > sc->ramdac_freq)
838 /* Clock too high. */
839 return 1;
840
841 crtc->h_total_disp = (((mode->hdisplay >> 3) - 1) << 16) |
842 ((mode->htotal >> 3) - 1);
843 crtc->h_sync_strt_wid =
844 (((mode->hsync_end - mode->hsync_start) >> 3) << 16) |
845 ((mode->hsync_start >> 3) - 1);
846
847 crtc->v_total_disp = ((mode->vdisplay - 1) << 16) |
848 (mode->vtotal - 1);
849 crtc->v_sync_strt_wid =
850 ((mode->vsync_end - mode->vsync_start) << 16) |
851 (mode->vsync_start - 1);
852
853 if (mode->flags & VID_NVSYNC)
854 crtc->v_sync_strt_wid |= CRTC_VSYNC_NEG;
855
856 switch (sc->bits_per_pixel) {
857 case 8:
858 crtc->color_depth = CRTC_PIX_WIDTH_8BPP;
859 break;
860 case 16:
861 crtc->color_depth = CRTC_PIX_WIDTH_16BPP;
862 break;
863 case 32:
864 crtc->color_depth = CRTC_PIX_WIDTH_32BPP;
865 break;
866 }
867
868 crtc->gen_cntl = 0;
869 if (mode->flags & VID_INTERLACE)
870 crtc->gen_cntl |= CRTC_INTERLACE_EN;
871 if (mode->flags & VID_CSYNC)
872 crtc->gen_cntl |= CRTC_CSYNC_EN;
873
874 crtc->dot_clock = mode->dot_clock;
875
876 return 0;
877 }
878
879 void
880 mach64_set_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc)
881 {
882
883 mach64_set_pll(sc, crtc->dot_clock);
884
885 if (sc->has_dsp)
886 mach64_set_dsp(sc);
887
888 regw(sc, CRTC_H_TOTAL_DISP, crtc->h_total_disp);
889 regw(sc, CRTC_H_SYNC_STRT_WID, crtc->h_sync_strt_wid);
890 regw(sc, CRTC_V_TOTAL_DISP, crtc->v_total_disp);
891 regw(sc, CRTC_V_SYNC_STRT_WID, crtc->v_sync_strt_wid);
892
893 regw(sc, CRTC_VLINE_CRNT_VLINE, 0);
894
895 regw(sc, CRTC_OFF_PITCH, (sc->virt_x >> 3) << 22);
896
897 regw(sc, CRTC_GEN_CNTL, crtc->gen_cntl | crtc->color_depth |
898 CRTC_EXT_DISP_EN | CRTC_EXT_EN);
899 }
900
901 int
902 mach64_modeswitch(struct mach64_softc *sc, struct videomode *mode)
903 {
904 struct mach64_crtcregs crtc;
905
906 if (mach64_calc_crtcregs(sc, &crtc, mode))
907 return 1;
908
909 mach64_set_crtcregs(sc, &crtc);
910 return 0;
911 }
912
913 void
914 mach64_reset_engine(struct mach64_softc *sc)
915 {
916
917 /* Reset engine.*/
918 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) & ~GUI_ENGINE_ENABLE);
919
920 /* Enable engine. */
921 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) | GUI_ENGINE_ENABLE);
922
923 /* Ensure engine is not locked up by clearing any FIFO or
924 host errors. */
925 regw(sc, BUS_CNTL, regr(sc, BUS_CNTL) | BUS_HOST_ERR_ACK |
926 BUS_FIFO_ERR_ACK);
927 }
928
929 void
930 mach64_init_engine(struct mach64_softc *sc)
931 {
932 u_int32_t pitch_value;
933
934 pitch_value = sc->virt_x;
935
936 if (sc->bits_per_pixel == 24)
937 pitch_value *= 3;
938
939 mach64_reset_engine(sc);
940
941 wait_for_fifo(sc, 14);
942
943 regw(sc, CONTEXT_MASK, 0xffffffff);
944
945 regw(sc, DST_OFF_PITCH, (pitch_value / 8) << 22);
946
947 regw(sc, DST_Y_X, 0);
948 regw(sc, DST_HEIGHT, 0);
949 regw(sc, DST_BRES_ERR, 0);
950 regw(sc, DST_BRES_INC, 0);
951 regw(sc, DST_BRES_DEC, 0);
952
953 regw(sc, DST_CNTL, DST_LAST_PEL | DST_X_LEFT_TO_RIGHT |
954 DST_Y_TOP_TO_BOTTOM);
955
956 regw(sc, SRC_OFF_PITCH, (pitch_value / 8) << 22);
957
958 regw(sc, SRC_Y_X, 0);
959 regw(sc, SRC_HEIGHT1_WIDTH1, 1);
960 regw(sc, SRC_Y_X_START, 0);
961 regw(sc, SRC_HEIGHT2_WIDTH2, 1);
962
963 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT);
964
965 wait_for_fifo(sc, 13);
966 regw(sc, HOST_CNTL, 0);
967
968 regw(sc, PAT_REG0, 0);
969 regw(sc, PAT_REG1, 0);
970 regw(sc, PAT_CNTL, 0);
971
972 regw(sc, SC_LEFT, 0);
973 regw(sc, SC_TOP, 0);
974 regw(sc, SC_BOTTOM, default_mode.vdisplay - 1);
975 regw(sc, SC_RIGHT, pitch_value - 1);
976
977 regw(sc, DP_BKGD_CLR, 0);
978 regw(sc, DP_FRGD_CLR, 0xffffffff);
979 regw(sc, DP_WRITE_MASK, 0xffffffff);
980 regw(sc, DP_MIX, (MIX_SRC << 16) | MIX_DST);
981
982 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR);
983
984 wait_for_fifo(sc, 3);
985 regw(sc, CLR_CMP_CLR, 0);
986 regw(sc, CLR_CMP_MASK, 0xffffffff);
987 regw(sc, CLR_CMP_CNTL, 0);
988
989 wait_for_fifo(sc, 2);
990 switch (sc->bits_per_pixel) {
991 case 8:
992 regw(sc, DP_PIX_WIDTH, HOST_8BPP | SRC_8BPP | DST_8BPP);
993 regw(sc, DP_CHAIN_MASK, DP_CHAIN_8BPP);
994 /* We want 8 bit per channel */
995 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN);
996 break;
997 #if 0
998 case 32:
999 regw(sc, DP_PIX_WIDTH, HOST_32BPP | SRC_32BPP | DST_32BPP);
1000 regw(sc, DP_CHAIN_MASK, DP_CHAIN_32BPP);
1001 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN);
1002 break;
1003 #endif
1004 }
1005
1006 wait_for_fifo(sc, 5);
1007 regw(sc, CRTC_INT_CNTL, regr(sc, CRTC_INT_CNTL) & ~0x20);
1008 regw(sc, GUI_TRAJ_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
1009
1010 wait_for_idle(sc);
1011 }
1012
1013 void
1014 mach64_adjust_frame(struct mach64_softc *sc, int x, int y)
1015 {
1016 int offset;
1017
1018 offset = ((x + y * sc->virt_x) * (sc->bits_per_pixel >> 3)) >> 3;
1019
1020 regw(sc, CRTC_OFF_PITCH, (regr(sc, CRTC_OFF_PITCH) & 0xfff00000) |
1021 offset);
1022 }
1023
1024 void
1025 mach64_set_dsp(struct mach64_softc *sc)
1026 {
1027 u_int32_t fifo_depth, page_size, dsp_precision, dsp_loop_latency;
1028 u_int32_t dsp_off, dsp_on, dsp_xclks_per_qw;
1029 u_int32_t xclks_per_qw, y;
1030 u_int32_t fifo_off, fifo_on;
1031
1032 printf("initializing the DSP\n");
1033 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
1034 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II ||
1035 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIP ||
1036 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_PCI ||
1037 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_B ||
1038 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_P) {
1039 dsp_loop_latency = 0;
1040 fifo_depth = 24;
1041 } else {
1042 dsp_loop_latency = 2;
1043 fifo_depth = 32;
1044 }
1045
1046 dsp_precision = 0;
1047 xclks_per_qw = (sc->mclk_fb_div * sc->vclk_post_div * 64 << 11) /
1048 (sc->vclk_fb_div * sc->mclk_post_div * sc->bits_per_pixel);
1049 y = (xclks_per_qw * fifo_depth) >> 11;
1050 while (y) {
1051 y >>= 1;
1052 dsp_precision++;
1053 }
1054 dsp_precision -= 5;
1055 fifo_off = ((xclks_per_qw * (fifo_depth - 1)) >> 5) + (3 << 6);
1056
1057 switch (sc->memtype) {
1058 case DRAM:
1059 case EDO_DRAM:
1060 case PSEUDO_EDO:
1061 if (sc->memsize > 1024) {
1062 page_size = 9;
1063 dsp_loop_latency += 6;
1064 } else {
1065 page_size = 10;
1066 if (sc->memtype == DRAM)
1067 dsp_loop_latency += 8;
1068 else
1069 dsp_loop_latency += 7;
1070 }
1071 break;
1072 case SDRAM:
1073 case SGRAM:
1074 if (sc->memsize > 1024) {
1075 page_size = 8;
1076 dsp_loop_latency += 8;
1077 } else {
1078 page_size = 10;
1079 dsp_loop_latency += 9;
1080 }
1081 break;
1082 default:
1083 page_size = 10;
1084 dsp_loop_latency += 9;
1085 break;
1086 }
1087
1088 if (xclks_per_qw >= (page_size << 11))
1089 fifo_on = ((2 * page_size + 1) << 6) + (xclks_per_qw >> 5);
1090 else
1091 fifo_on = (3 * page_size + 2) << 6;
1092
1093 dsp_xclks_per_qw = xclks_per_qw >> dsp_precision;
1094 dsp_on = fifo_on >> dsp_precision;
1095 dsp_off = fifo_off >> dsp_precision;
1096
1097 #ifdef DEBUG_MACHFB
1098 printf("dsp_xclks_per_qw = %d, dsp_on = %d, dsp_off = %d,\n"
1099 "dsp_precision = %d, dsp_loop_latency = %d,\n"
1100 "mclk_fb_div = %d, vclk_fb_div = %d,\n"
1101 "mclk_post_div = %d, vclk_post_div = %d\n",
1102 dsp_xclks_per_qw, dsp_on, dsp_off, dsp_precision, dsp_loop_latency,
1103 sc->mclk_fb_div, sc->vclk_fb_div,
1104 sc->mclk_post_div, sc->vclk_post_div);
1105 #endif
1106
1107 regw(sc, DSP_ON_OFF, ((dsp_on << 16) & DSP_ON) | (dsp_off & DSP_OFF));
1108 regw(sc, DSP_CONFIG, ((dsp_precision << 20) & DSP_PRECISION) |
1109 ((dsp_loop_latency << 16) & DSP_LOOP_LATENCY) |
1110 (dsp_xclks_per_qw & DSP_XCLKS_PER_QW));
1111 }
1112
1113 void
1114 mach64_set_pll(struct mach64_softc *sc, int clock)
1115 {
1116 int q;
1117
1118 q = (clock * sc->ref_div * 100) / (2 * sc->ref_freq);
1119 #ifdef DEBUG_MACHFB
1120 printf("q = %d\n", q);
1121 #endif
1122 if (q > 25500) {
1123 printf("Warning: q > 25500\n");
1124 q = 25500;
1125 sc->vclk_post_div = 1;
1126 sc->log2_vclk_post_div = 0;
1127 } else if (q > 12750) {
1128 sc->vclk_post_div = 1;
1129 sc->log2_vclk_post_div = 0;
1130 } else if (q > 6350) {
1131 sc->vclk_post_div = 2;
1132 sc->log2_vclk_post_div = 1;
1133 } else if (q > 3150) {
1134 sc->vclk_post_div = 4;
1135 sc->log2_vclk_post_div = 2;
1136 } else if (q >= 1600) {
1137 sc->vclk_post_div = 8;
1138 sc->log2_vclk_post_div = 3;
1139 } else {
1140 printf("Warning: q < 1600\n");
1141 sc->vclk_post_div = 8;
1142 sc->log2_vclk_post_div = 3;
1143 }
1144 sc->vclk_fb_div = q * sc->vclk_post_div / 100;
1145
1146 regwb_pll(sc, MCLK_FB_DIV, sc->mclk_fb_div);
1147 regwb_pll(sc, VCLK_POST_DIV, sc->log2_vclk_post_div);
1148 regwb_pll(sc, VCLK0_FB_DIV, sc->vclk_fb_div);
1149 }
1150
1151 void
1152 mach64_init_lut(struct mach64_softc *sc)
1153 {
1154 int i,idx;
1155 idx=0;
1156 for(i=0;i<256;i++) {
1157 mach64_putpalreg(sc, i, rasops_cmap[idx], rasops_cmap[idx+1],
1158 rasops_cmap[idx+2]);
1159 idx+=3;
1160 }
1161 }
1162
1163 int
1164 mach64_putpalreg(struct mach64_softc *sc, uint8_t index, uint8_t r, uint8_t g, uint8_t b)
1165 {
1166 sc->sc_cmap_red[index]=r;
1167 sc->sc_cmap_green[index]=g;
1168 sc->sc_cmap_blue[index]=b;
1169 /*
1170 * writing the dac index takes a while, in theory we can poll some
1171 * register to see when it's ready - but we better avoid writing it
1172 * unnecessarily
1173 */
1174 if(index!=sc->sc_dacw)
1175 {
1176 regwb(sc, DAC_MASK, 0xff);
1177 regwb(sc, DAC_WINDEX, index);
1178 }
1179 sc->sc_dacw=index+1;
1180 regwb(sc, DAC_DATA, r);
1181 regwb(sc, DAC_DATA, g);
1182 regwb(sc, DAC_DATA, b);
1183 return 0;
1184 }
1185
1186 int
1187 mach64_putcmap(struct mach64_softc *sc, struct wsdisplay_cmap *cm)
1188 {
1189 u_int index = cm->index;
1190 u_int count = cm->count;
1191 int i, error;
1192 u_char rbuf[256], gbuf[256], bbuf[256];
1193 u_char *r, *g, *b;
1194
1195 printf("putcmap: %d %d\n",index, count);
1196 if (cm->index >= 256 || cm->count > 256 ||
1197 (cm->index + cm->count) > 256)
1198 return EINVAL;
1199 error = copyin(cm->red, &rbuf[index], count);
1200 if (error)
1201 return error;
1202 error = copyin(cm->green, &gbuf[index], count);
1203 if (error)
1204 return error;
1205 error = copyin(cm->blue, &bbuf[index], count);
1206 if (error)
1207 return error;
1208
1209 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
1210 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
1211 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
1212
1213 r = &sc->sc_cmap_red[index];
1214 g = &sc->sc_cmap_green[index];
1215 b = &sc->sc_cmap_blue[index];
1216
1217 for (i = 0; i < count; i++) {
1218 mach64_putpalreg(sc,index,*r, *g, *b);
1219 index++;
1220 r++, g++, b++;
1221 }
1222 return 0;
1223 }
1224
1225 int
1226 mach64_getcmap(struct mach64_softc *sc, struct wsdisplay_cmap *cm)
1227 {
1228 u_int index = cm->index;
1229 u_int count = cm->count;
1230 int error;
1231
1232 if (index >= 255 || count > 256 || index + count > 256)
1233 return EINVAL;
1234
1235 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
1236 if (error)
1237 return error;
1238 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
1239 if (error)
1240 return error;
1241 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
1242 if (error)
1243 return error;
1244
1245 return 0;
1246 }
1247
1248 int
1249 mach64_set_screentype(struct mach64_softc *sc, const struct wsscreen_descr *des)
1250 {
1251 struct mach64_crtcregs regs;
1252
1253 if (mach64_calc_crtcregs(sc, ®s,
1254 (struct videomode *)des->modecookie))
1255 return 1;
1256
1257 mach64_set_crtcregs(sc, ®s);
1258 return 0;
1259 }
1260
1261 int
1262 mach64_is_console(struct pci_attach_args *pa)
1263 {
1264 #ifdef __sparc__
1265 int node;
1266
1267 node = PCITAG_NODE(pa->pa_tag);
1268 if (node == -1)
1269 return 0;
1270
1271 return (node == prom_instance_to_package(prom_stdout()));
1272 #elif defined(__powerpc__)
1273 /* check if we're the /chosen console device */
1274 int chosen, stdout, node, us;
1275 us=pcidev_to_ofdev(pa->pa_pc, pa->pa_tag);
1276 chosen = OF_finddevice("/chosen");
1277 OF_getprop(chosen, "stdout", &stdout, 4);
1278 node = OF_instance_to_package(stdout);
1279 return(us == node);
1280 #else
1281 return 1;
1282 #endif
1283 }
1284
1285 /*
1286 * wsdisplay_emulops
1287 */
1288
1289 void
1290 mach64_cursor(void *cookie, int on, int row, int col)
1291 {
1292 struct rasops_info *ri=cookie;
1293 struct mach64screen *scr=ri->ri_hw;
1294 struct mach64_softc *sc=scr->sc;
1295 int x,y,wi=ri->ri_font->fontwidth,he=ri->ri_font->fontheight;
1296 if(scr->active) {
1297 x=scr->cursorcol*wi+ri->ri_xorigin;
1298 y=scr->cursorrow*he+ri->ri_yorigin;
1299 if(scr->cursordrawn) {
1300 mach64_bitblt(sc,x,y,x,y,wi,he,MIX_NOT_SRC,0xff);
1301 scr->cursordrawn=0;
1302 }
1303 scr->cursorrow=row;
1304 scr->cursorcol=col;
1305 if((scr->cursoron=on)!=0)
1306 {
1307 x=scr->cursorcol*wi+ri->ri_xorigin;
1308 y=scr->cursorrow*he+ri->ri_yorigin;
1309 mach64_bitblt(sc,x,y,x,y,wi,he,MIX_NOT_SRC,0xff);
1310 scr->cursordrawn=1;
1311 }
1312 } else {
1313 scr->cursoron=on;
1314 scr->cursorrow=row;
1315 scr->cursorcol=col;
1316 scr->cursordrawn=0;
1317 }
1318 }
1319
1320 #if 0
1321 int
1322 mach64_mapchar(void *cookie, int uni, u_int *index)
1323 {
1324
1325 return 0;
1326 }
1327 #endif
1328
1329 void
1330 mach64_putchar(void *cookie, int row, int col, u_int c, long attr)
1331 {
1332 struct rasops_info *ri=cookie;
1333 struct mach64screen *scr=ri->ri_hw;
1334 struct mach64_softc *sc=scr->sc;
1335 int offset=ri->ri_cols*row+col;
1336 scr->attrs[offset]=attr;
1337 scr->chars[offset]=c;
1338 if((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1339 int fg,bg,uc;
1340 uint8_t *data;
1341 int x,y,wi=ri->ri_font->fontwidth,he=ri->ri_font->fontheight;
1342
1343 /*scr->putchar(cookie,row,col,c,attr);*/
1344 if (!CHAR_IN_FONT(c, ri->ri_font))
1345 return;
1346 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xf];
1347 fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xf];
1348 x=ri->ri_xorigin+col*wi;
1349 y=ri->ri_yorigin+row*he;
1350 if(c == 0x20) {
1351 mach64_rectfill(sc,x,y,wi,he,bg);
1352 } else {
1353 uc = c-ri->ri_font->firstchar;
1354 data = (uint8_t *)ri->ri_font->data + uc *
1355 ri->ri_fontscale;
1356
1357 mach64_setup_mono(sc,x,y,wi,he,fg,bg);
1358 mach64_feed_bytes(sc,ri->ri_fontscale,data);
1359 }
1360 }
1361 }
1362
1363
1364 void
1365 mach64_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1366 {
1367 struct rasops_info *ri=cookie;
1368 struct mach64screen *scr=ri->ri_hw;
1369 struct mach64_softc *sc=scr->sc;
1370 int32_t xs,xd,y,width,height;
1371
1372 int from=srccol+row*ri->ri_cols;
1373 int to=dstcol+row*ri->ri_cols;
1374 memmove(&scr->attrs[to],&scr->attrs[from],ncols*sizeof(long));
1375 memmove(&scr->chars[to],&scr->chars[from],ncols*sizeof(u_int));
1376
1377 if((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1378 xs=ri->ri_xorigin+ri->ri_font->fontwidth*srccol;
1379 xd=ri->ri_xorigin+ri->ri_font->fontwidth*dstcol;
1380 y=ri->ri_yorigin+ri->ri_font->fontheight*row;
1381 width=ri->ri_font->fontwidth*ncols;
1382 height=ri->ri_font->fontheight;
1383 mach64_bitblt(sc,xs,y,xd,y,width,height,MIX_SRC,0xff);
1384 }
1385 }
1386
1387 void
1388 mach64_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1389 {
1390 struct rasops_info *ri=cookie;
1391 struct mach64screen *scr=ri->ri_hw;
1392 struct mach64_softc *sc=scr->sc;
1393 int32_t x,y,width,height,fg,bg,ul;;
1394
1395 int start=startcol+row*ri->ri_cols;
1396 int end=start+ncols, i;
1397 for(i=start;i<end;i++) {
1398 scr->attrs[i]=fillattr;
1399 scr->chars[i]=0x20;
1400 }
1401 if((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1402 x=ri->ri_xorigin+ri->ri_font->fontwidth*startcol;
1403 y=ri->ri_yorigin+ri->ri_font->fontheight*row;
1404 width=ri->ri_font->fontwidth*ncols;
1405 height=ri->ri_font->fontheight;
1406 rasops_unpack_attr(fillattr,&fg,&bg,&ul);
1407
1408 mach64_rectfill(sc,x,y,width,height,bg);
1409 }
1410 }
1411
1412 void
1413 mach64_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1414 {
1415 struct rasops_info *ri=cookie;
1416 struct mach64screen *scr=ri->ri_hw;
1417 struct mach64_softc *sc=scr->sc;
1418 int32_t x, ys, yd, width, height;
1419
1420 int from, to, len;
1421 from=ri->ri_cols*srcrow;
1422 to=ri->ri_cols*dstrow;
1423 len=ri->ri_cols*nrows;
1424
1425 memmove(&scr->attrs[to],&scr->attrs[from],len*sizeof(long));
1426 memmove(&scr->chars[to],&scr->chars[from],len*sizeof(u_int));
1427
1428 if((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1429 x=ri->ri_xorigin;
1430 ys=ri->ri_yorigin+ri->ri_font->fontheight*srcrow;
1431 yd=ri->ri_yorigin+ri->ri_font->fontheight*dstrow;
1432 width=ri->ri_emuwidth;
1433 height=ri->ri_font->fontheight*nrows;
1434 mach64_bitblt(sc,x,ys,x,yd,width,height,MIX_SRC,0xff);
1435 }
1436 }
1437
1438 void
1439 mach64_eraserows(void *cookie, int row, int nrows, long fillattr)
1440 {
1441 struct rasops_info *ri=cookie;
1442 struct mach64screen *scr=ri->ri_hw;
1443 struct mach64_softc *sc=scr->sc;
1444 int32_t x,y,width,height,fg,bg,ul;
1445
1446 int start=ri->ri_cols*row, end=ri->ri_cols*(row+nrows),i;
1447 for(i=start;i<end;i++) {
1448 scr->attrs[i]=fillattr;
1449 scr->chars[i]=0x20;
1450 }
1451
1452 if((scr->active) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1453 x=ri->ri_xorigin;
1454 y=ri->ri_yorigin+ri->ri_font->fontheight*row;
1455 width=ri->ri_emuwidth;
1456 height=ri->ri_font->fontheight*nrows;
1457 rasops_unpack_attr(fillattr,&fg,&bg,&ul);
1458
1459 mach64_rectfill(sc,x,y,width,height,bg);
1460 }
1461 }
1462
1463 void
1464 mach64_bitblt(struct mach64_softc *sc, int xs, int ys, int xd, int yd, int width, int height, int rop, int mask)
1465 {
1466 uint32_t dest_ctl=0;
1467 wait_for_idle(sc);
1468 regw(sc,DP_WRITE_MASK,mask); /* XXX only good for 8 bit */
1469 regw(sc,DP_PIX_WIDTH,DST_8BPP|SRC_8BPP|HOST_8BPP);
1470 regw(sc,DP_SRC,FRGD_SRC_BLIT);
1471 regw(sc,DP_MIX,(rop&0xffff)<<16);
1472 regw(sc,CLR_CMP_CNTL,0); /* no transparency */
1473 if(yd<ys) {
1474 dest_ctl=DST_Y_TOP_TO_BOTTOM;
1475 } else {
1476 ys+=height-1;
1477 yd+=height-1;
1478 dest_ctl=DST_Y_BOTTOM_TO_TOP;
1479 }
1480 if(xd<xs) {
1481 dest_ctl|=DST_X_LEFT_TO_RIGHT;
1482 regw(sc,SRC_CNTL,SRC_LINE_X_LEFT_TO_RIGHT);
1483 } else {
1484 dest_ctl|=DST_X_RIGHT_TO_LEFT;
1485 xs+=width-1;
1486 xd+=width-1;
1487 regw(sc,SRC_CNTL,SRC_LINE_X_RIGHT_TO_LEFT);
1488 }
1489 regw(sc,DST_CNTL,dest_ctl);
1490
1491 regw(sc,SRC_Y_X,(xs<<16)|ys);
1492 regw(sc,SRC_WIDTH1,width);
1493 regw(sc,DST_Y_X,(xd<<16)|yd);
1494 regw(sc,DST_HEIGHT_WIDTH,(width<<16)|height);
1495 }
1496
1497 void
1498 mach64_setup_mono(struct mach64_softc *sc, int xd, int yd, int width,
1499 int height, uint32_t fg, uint32_t bg)
1500 {
1501 wait_for_idle(sc);
1502 regw(sc,DP_WRITE_MASK,0xff); /* XXX only good for 8 bit */
1503 regw(sc,DP_PIX_WIDTH,DST_8BPP|SRC_1BPP|HOST_1BPP);
1504 regw(sc,DP_SRC,MONO_SRC_HOST|BKGD_SRC_BKGD_CLR|FRGD_SRC_FRGD_CLR);
1505 regw(sc,DP_MIX,((MIX_SRC&0xffff)<<16)|MIX_SRC);
1506 regw(sc,CLR_CMP_CNTL,0); /* no transparency */
1507 regw(sc,SRC_CNTL,SRC_LINE_X_LEFT_TO_RIGHT);
1508 regw(sc,DST_CNTL,DST_Y_TOP_TO_BOTTOM|DST_X_LEFT_TO_RIGHT);
1509 regw(sc,HOST_CNTL,HOST_BYTE_ALIGN);
1510 regw(sc,DP_BKGD_CLR,bg);
1511 regw(sc,DP_FRGD_CLR,fg);
1512 regw(sc,SRC_Y_X,0);
1513 regw(sc,SRC_WIDTH1,width);
1514 regw(sc,DST_Y_X,(xd<<16)|yd);
1515 regw(sc,DST_HEIGHT_WIDTH,(width<<16)|height);
1516 /* now feed the data into the chip */
1517 }
1518
1519 void
1520 mach64_feed_bytes(struct mach64_softc *sc, int count, uint8_t *data)
1521 {
1522 int i;
1523 uint32_t latch=0, bork;
1524 int shift=0;
1525 int reg=0;
1526 for(i=0;i<count;i++) {
1527 bork=data[i];
1528 latch|=(bork<<shift);
1529 if(shift == 24) {
1530 regw(sc,HOST_DATA0+reg,latch);
1531 latch=0;
1532 shift=0;
1533 reg=(reg+4)&0x3c;
1534 } else
1535 shift+=8;
1536 }
1537 if(shift!=0) /* 24 */
1538 regw(sc,HOST_DATA0+reg,latch);
1539 }
1540
1541
1542 void
1543 mach64_rectfill(struct mach64_softc *sc, int x, int y, int width, int height,
1544 int colour)
1545 {
1546 wait_for_idle(sc);
1547 regw(sc,DP_WRITE_MASK,0xff);
1548 regw(sc,DP_FRGD_CLR,colour);
1549 regw(sc,DP_PIX_WIDTH,DST_8BPP|SRC_8BPP|HOST_8BPP);
1550 regw(sc,DP_SRC,FRGD_SRC_FRGD_CLR);
1551 regw(sc,DP_MIX,(MIX_SRC)<<16);
1552 regw(sc,CLR_CMP_CNTL,0); /* no transparency */
1553 regw(sc,SRC_CNTL,SRC_LINE_X_LEFT_TO_RIGHT);
1554 regw(sc,DST_CNTL,DST_X_LEFT_TO_RIGHT|DST_Y_TOP_TO_BOTTOM);
1555
1556 regw(sc,SRC_Y_X,(x<<16)|y);
1557 regw(sc,SRC_WIDTH1,width);
1558 regw(sc,DST_Y_X,(x<<16)|y);
1559 regw(sc,DST_HEIGHT_WIDTH,(width<<16)|height);
1560 }
1561
1562 void
1563 mach64_clearscreen(struct mach64_softc *sc)
1564 {
1565 mach64_rectfill(sc,0,0,sc->virt_x,sc->virt_y,sc->sc_bg);
1566 }
1567
1568
1569 void
1570 mach64_showpal(struct mach64_softc *sc)
1571 {
1572 int i,x=0;
1573 for (i=0;i<16;i++) {
1574 mach64_rectfill(sc,x,0,64,64,i);
1575 x+=64;
1576 }
1577 }
1578
1579 int
1580 mach64_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1581 {
1582 if((fg == 0)&&(bg == 0))
1583 {
1584 fg=WS_DEFAULT_FG;
1585 bg=WS_DEFAULT_BG;
1586 }
1587 *attrp=(fg&0xf)<<24|(bg&0xf)<<16|(flags&0xff)<<8;
1588 return 0;
1589 }
1590
1591 /*
1592 * wsdisplay_accessops
1593 */
1594
1595 int
1596 mach64_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
1597 {
1598 struct mach64_softc *sc = v;
1599 struct wsdisplay_fbinfo *wdf;
1600 struct mach64screen *ms=sc->active;
1601 switch (cmd) {
1602 case WSDISPLAYIO_GTYPE:
1603 /* XXX is this the right type to return? */
1604 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
1605 return 0;
1606
1607 case WSDISPLAYIO_GINFO:
1608 wdf = (void *)data;
1609 wdf->height = ms->ri.ri_height;
1610 wdf->width = ms->ri.ri_width;
1611 wdf->depth = ms->ri.ri_depth;
1612 wdf->cmsize = 256;
1613 return 0;
1614 case WSDISPLAYIO_GETCMAP:
1615 return mach64_getcmap(sc,
1616 (struct wsdisplay_cmap *)data);
1617
1618 case WSDISPLAYIO_PUTCMAP:
1619 return mach64_putcmap(sc,
1620 (struct wsdisplay_cmap *)data);
1621 /* PCI config read/write passthrough. */
1622 case PCI_IOC_CFGREAD:
1623 case PCI_IOC_CFGWRITE:
1624 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag,
1625 cmd, data, flag, p));
1626 case WSDISPLAYIO_SMODE:
1627 {
1628 int new_mode=*(int*)data;
1629 if(new_mode!=sc->sc_mode)
1630 {
1631 sc->sc_mode=new_mode;
1632 if(new_mode == WSDISPLAYIO_MODE_EMUL)
1633 {
1634 /*
1635 * reset a few things the
1636 * Xserver might have screwed up
1637 */
1638 mach64_restore_screen(ms,
1639 ms->type, ms->chars);
1640 mach64_cursor(ms, ms->cursoron,
1641 ms->cursorrow,
1642 ms->cursorcol);
1643 }
1644 }
1645 }
1646 return 0;
1647 case WSDISPLAYIO_GETWSCHAR:
1648 return mach64_getwschar(sc,
1649 (struct wsdisplay_char *)data);
1650 case WSDISPLAYIO_PUTWSCHAR:
1651 return mach64_putwschar(sc,
1652 (struct wsdisplay_char *)data);
1653 }
1654 return EPASSTHROUGH;
1655 }
1656
1657 paddr_t
1658 mach64_mmap(void *v, off_t offset, int prot)
1659 {
1660 struct mach64_softc *sc = v;
1661 paddr_t pa;
1662 /* 'regular' framebuffer mmap()ing */
1663 if(offset<sc->sc_apersize) {
1664 pa = bus_space_mmap(sc->sc_memt, sc->sc_aperbase+offset, 0,
1665 prot, BUS_SPACE_MAP_LINEAR);
1666 return pa;
1667 }
1668 #if 0
1669 /* evil hack to allow mmap()ing other devices as well */
1670 if((offset>0x80000000) && (offset<=0xffffffff)) {
1671 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
1672 BUS_SPACE_MAP_LINEAR);
1673 return pa;
1674 }
1675 #endif
1676
1677 if((offset>=sc->sc_aperphys) &&
1678 (offset<(sc->sc_aperphys+sc->sc_apersize))) {
1679 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
1680 BUS_SPACE_MAP_LINEAR);
1681 return pa;
1682 }
1683
1684 if((offset>=sc->sc_regphys) &&
1685 (offset<(sc->sc_regphys+sc->sc_regsize))) {
1686 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
1687 BUS_SPACE_MAP_LINEAR);
1688 return pa;
1689 }
1690
1691 return -1;
1692 }
1693
1694 int
1695 mach64_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
1696 int *curxp, int *curyp, long *defattrp)
1697 {
1698 struct mach64_softc *sc = v;
1699 struct mach64screen *scr;
1700 struct rasops_info *ri;
1701 int cnt=type->nrows * type->ncols;
1702
1703 scr = malloc(sizeof(struct mach64screen), M_DEVBUF, M_WAITOK|M_ZERO);
1704 mach64_init_screen(sc, scr, type, 0, defattrp, sc->active == NULL);
1705 ri=&scr->ri;
1706
1707 ri->ri_hw=scr;
1708 /*ri->ri_bits=(void *)sc->sc_aperbase;*/
1709 rasops_init(ri, mach64_console_screen.ri.ri_height / 8,
1710 mach64_console_screen.ri.ri_width / 8);
1711
1712 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
1713 ri->ri_width / ri->ri_font->fontwidth);
1714 set_address(ri,sc->sc_aperbase);
1715 mach64_allocattr(ri,WS_DEFAULT_FG,WS_DEFAULT_BG,0,defattrp);
1716
1717 scr->ri.ri_ops.copyrows=mach64_copyrows;
1718 scr->ri.ri_ops.eraserows=mach64_eraserows;
1719 scr->ri.ri_ops.copycols=mach64_copycols;
1720 scr->ri.ri_ops.erasecols=mach64_erasecols;
1721 scr->ri.ri_ops.putchar=mach64_putchar;
1722 scr->ri.ri_ops.cursor=mach64_cursor;
1723
1724 scr->attrs=(long *)malloc((cnt)*(sizeof(long)+sizeof(u_int)),
1725 M_DEVBUF, M_WAITOK);
1726 scr->chars=(u_int *)&scr->attrs[cnt];
1727 mach64_eraserows(ri, 0, ri->ri_rows, *defattrp);
1728
1729 if (sc->active == NULL) {
1730 scr->active = 1;
1731 sc->active = scr;
1732 sc->currenttype = type;
1733 }
1734
1735 *cookiep = scr;
1736 *curxp = scr->cursorcol;
1737 *curyp = scr->cursorrow;
1738
1739 return 0;
1740 }
1741
1742 void
1743 mach64_free_screen(void *v, void *cookie)
1744 {
1745 struct mach64_softc *sc = v;
1746 struct mach64screen *scr = cookie;
1747
1748 LIST_REMOVE(scr, next);
1749 if (scr != &mach64_console_screen) {
1750 free(scr->attrs,M_DEVBUF);
1751 free(scr, M_DEVBUF);
1752 } else
1753 panic("mach64_free_screen: console");
1754
1755 if (sc->active == scr)
1756 sc->active = 0;
1757 }
1758
1759 int
1760 mach64_show_screen(void *v, void *cookie, int waitok,
1761 void (*cb)(void *, int, int), void *cbarg)
1762 {
1763 struct mach64_softc *sc = v;
1764 struct mach64screen *scr, *oldscr;
1765
1766 scr = cookie;
1767 oldscr = sc->active;
1768 if (scr == oldscr)
1769 return 0;
1770
1771 sc->wanted = scr;
1772 sc->switchcb = cb;
1773 sc->switchcbarg = cbarg;
1774 if (cb) {
1775 callout_reset(&sc->switch_callout, 0,
1776 (void(*)(void *))mach64_switch_screen, sc);
1777 return EAGAIN;
1778 }
1779
1780 mach64_switch_screen(sc);
1781
1782 return 0;
1783 }
1784
1785 void
1786 mach64_switch_screen(struct mach64_softc *sc)
1787 {
1788 struct mach64screen *scr, *oldscr;
1789 const struct wsscreen_descr *type;
1790
1791 scr = sc->wanted;
1792 if (!scr) {
1793 printf("mach64_switch_screen: disappeared\n");
1794 (*sc->switchcb)(sc->switchcbarg, EIO, 0);
1795 return;
1796 }
1797 type = scr->type;
1798 oldscr = sc->active; /* can be NULL! */
1799 #ifdef DIAGNOSTIC
1800 if (oldscr) {
1801 if (!oldscr->active)
1802 panic("mach64_switch_screen: not active");
1803 if (oldscr->type != sc->currenttype)
1804 panic("mach64_switch_screen: bad type");
1805 }
1806 #endif
1807 if (scr == oldscr)
1808 return;
1809
1810 #ifdef DIAGNOSTIC
1811 /* XXX: this one bites us at reboot */
1812 /* if (scr->active)
1813 panic("mach64_switch_screen: active");*/
1814 #endif
1815
1816 if (oldscr)
1817 oldscr->active = 0;
1818
1819 if (sc->currenttype != type) {
1820 mach64_set_screentype(sc, type);
1821 sc->currenttype = type;
1822 }
1823
1824 scr->dispoffset = scr->mindispoffset;
1825
1826 if (!oldscr || (scr->dispoffset != oldscr->dispoffset)) {
1827
1828 }
1829
1830 /* Clear the entire screen. */
1831
1832 scr->active = 1;
1833 mach64_restore_screen(scr, type, scr->chars);
1834
1835 sc->active = scr;
1836
1837 scr->ri.ri_ops.cursor(scr, scr->cursoron, scr->cursorrow,
1838 scr->cursorcol);
1839
1840 sc->wanted = 0;
1841 if (sc->switchcb)
1842 (*sc->switchcb)(sc->switchcbarg, 0, 0);
1843 }
1844
1845 void
1846 mach64_restore_screen(struct mach64screen *scr,
1847 const struct wsscreen_descr *type, u_int *mem)
1848 {
1849 int i, j, offset=0;
1850 /*struct rasops_info *ri=&scr->ri;*/
1851 u_int *charptr=scr->chars;
1852 long *attrptr=scr->attrs;
1853 mach64_clearscreen(scr->sc);
1854 for (i = 0; i < scr->ri.ri_rows; i++) {
1855 for (j = 0; j < scr->ri.ri_cols; j++) {
1856 mach64_putchar(scr, i, j, charptr[offset],
1857 attrptr[offset]);
1858 offset++;
1859 }
1860 }
1861 scr->cursordrawn=0;
1862 }
1863
1864 /* set ri->ri_bits according to fb, ri_xorigin and ri_yorigin */
1865 void
1866 set_address(struct rasops_info *ri, bus_addr_t fb)
1867 {
1868 /*printf(" %d %d %d\n",ri->ri_xorigin,ri->ri_yorigin,ri->ri_stride);*/
1869 ri->ri_bits = (void *)((u_long)fb + ri->ri_stride * ri->ri_yorigin +
1870 ri->ri_xorigin);
1871 }
1872
1873 int
1874 mach64_getwschar(void *cookie, struct wsdisplay_char *wsc)
1875 {
1876 struct mach64_softc *sc=cookie;
1877 struct mach64screen *scr=sc->active;
1878 int fg,bg,fl;
1879 if(scr){
1880 if((wsc->col>=0) && (wsc->col<scr->ri.ri_cols) &&
1881 (wsc->row>=0) && (wsc->row<scr->ri.ri_rows)) {
1882 int pos = scr->ri.ri_cols * wsc->row + wsc->col;
1883 wsc->letter=scr->chars[pos];
1884 rasops_unpack_attr(scr->attrs[pos], &fg, &bg, &fl);
1885 wsc->foreground=fg;
1886 wsc->background=bg;
1887 wsc->flags=fl;
1888 return 0;
1889 }
1890 }
1891 return EINVAL;
1892 }
1893
1894 int
1895 mach64_putwschar(void *cookie, struct wsdisplay_char *wsc)
1896 {
1897 struct mach64_softc *sc=cookie;
1898 struct mach64screen *scr=sc->active;
1899 long attr;
1900 if(scr){
1901 if((wsc->col>=0) && (wsc->col<scr->ri.ri_cols) &&
1902 (wsc->row>=0) && (wsc->row<scr->ri.ri_rows)) {
1903 mach64_allocattr(&scr->ri,wsc->foreground,
1904 wsc->background, wsc->flags,&attr);
1905 mach64_putchar(&scr->ri,wsc->row, wsc->col,
1906 wsc->letter,attr);
1907 return 0;
1908 }
1909 }
1910 return EINVAL;
1911 }
1912
1913 #if 0
1914 int
1915 mach64_load_font(void *v, void *cookie, struct wsdisplay_font *data)
1916 {
1917
1918 return 0;
1919 }
1920 #endif
1921
1922