machfb.c revision 1.23.2.1 1 /* $NetBSD: machfb.c,v 1.23.2.1 2005/06/08 11:42:17 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, "$NetBSD: machfb.c,v 1.23.2.1 2005/06/08 11:42:17 tron Exp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/device.h>
41 #include <sys/malloc.h>
42 #include <sys/callout.h>
43
44 #ifdef __sparc__
45 #include <machine/promlib.h>
46 #endif
47
48 #ifdef __powerpc__
49 #include <dev/ofw/openfirm.h>
50 #include <dev/ofw/ofw_pci.h>
51 #endif
52
53 #include <dev/ic/videomode.h>
54
55 #include <dev/pci/pcivar.h>
56 #include <dev/pci/pcireg.h>
57 #include <dev/pci/pcidevs.h>
58 #include <dev/pci/pciio.h>
59 #include <dev/pci/machfbreg.h>
60
61 #include <dev/wscons/wsdisplayvar.h>
62 #include <dev/wscons/wsconsio.h>
63 #include <dev/wsfont/wsfont.h>
64 #include <dev/rasops/rasops.h>
65
66 #define MACH64_REG_SIZE 1024
67 #define MACH64_REG_OFF 0x7ffc00
68
69 #define NBARS 3 /* number of Mach64 PCI BARs */
70
71 struct vga_bar {
72 bus_addr_t vb_base;
73 pcireg_t vb_busaddr;
74 bus_size_t vb_size;
75 pcireg_t vb_type;
76 int vb_flags;
77 };
78
79 struct mach64_softc {
80 struct device sc_dev;
81 pci_chipset_tag_t sc_pc;
82 pcitag_t sc_pcitag;
83
84 struct vga_bar sc_bars[NBARS];
85 struct vga_bar sc_rom;
86
87 #define sc_aperbase sc_bars[0].vb_base
88 #define sc_apersize sc_bars[0].vb_size
89 #define sc_aperphys sc_bars[0].vb_busaddr
90
91 #define sc_iobase sc_bars[1].vb_base
92 #define sc_iosize sc_bars[1].vb_size
93
94 #define sc_regbase sc_bars[2].vb_base
95 #define sc_regsize sc_bars[2].vb_size
96 #define sc_regphys sc_bars[2].vb_busaddr
97
98 bus_space_tag_t sc_regt;
99 bus_space_tag_t sc_memt;
100 bus_space_handle_t sc_regh;
101 bus_space_handle_t sc_memh;
102
103 size_t memsize;
104 int memtype;
105
106 int sc_mode;
107 int sc_bg;
108
109 int has_dsp;
110 int bits_per_pixel;
111 int max_x, max_y;
112 int virt_x, virt_y;
113 int color_depth;
114
115 int mem_freq;
116 int ramdac_freq;
117 int ref_freq;
118
119 int ref_div;
120 int log2_vclk_post_div;
121 int vclk_post_div;
122 int vclk_fb_div;
123 int mclk_post_div;
124 int mclk_fb_div;
125
126 struct mach64screen *wanted;
127 struct mach64screen *active;
128 void (*switchcb)(void *, int, int);
129 void *switchcbarg;
130 struct callout switch_callout;
131 LIST_HEAD(, mach64screen) screens;
132 const struct wsscreen_descr *currenttype;
133 u_char sc_cmap_red[256];
134 u_char sc_cmap_green[256];
135 u_char sc_cmap_blue[256];
136 int sc_dacw;
137 };
138
139 struct mach64screen {
140 struct rasops_info ri;
141 LIST_ENTRY(mach64screen) next;
142 struct mach64_softc *sc;
143 const struct wsscreen_descr *type;
144 int active;
145 u_int *chars;
146 long *attrs;
147 int dispoffset;
148 int mindispoffset;
149 int maxdispoffset;
150
151 int cursoron;
152 int cursorcol;
153 int cursorrow;
154 int cursordrawn;
155 };
156
157 struct mach64_crtcregs {
158 u_int32_t h_total_disp;
159 u_int32_t h_sync_strt_wid;
160 u_int32_t v_total_disp;
161 u_int32_t v_sync_strt_wid;
162 u_int32_t gen_cntl;
163 u_int32_t clock_cntl;
164 u_int32_t color_depth;
165 u_int32_t dot_clock;
166 };
167
168 struct {
169 u_int16_t chip_id;
170 u_int32_t ramdac_freq;
171 } mach64_info[] = {
172 { PCI_PRODUCT_ATI_MACH64_CT, 135000 },
173 { PCI_PRODUCT_ATI_RAGE_PRO_AGP, 230000 },
174 { PCI_PRODUCT_ATI_RAGE_PRO_AGP1X, 230000 },
175 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_B, 230000 },
176 { PCI_PRODUCT_ATI_RAGE_XL_AGP, 230000 },
177 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_P, 230000 },
178 { PCI_PRODUCT_ATI_RAGE_PRO_PCI_L, 230000 },
179 { PCI_PRODUCT_ATI_RAGE_XL_PCI, 230000 },
180 { PCI_PRODUCT_ATI_RAGE_II, 135000 },
181 { PCI_PRODUCT_ATI_RAGE_IIP, 200000 },
182 { PCI_PRODUCT_ATI_RAGE_IIC_PCI, 230000 },
183 { PCI_PRODUCT_ATI_RAGE_IIC_AGP_B, 230000 },
184 { PCI_PRODUCT_ATI_RAGE_IIC_AGP_P, 230000 },
185 { PCI_PRODUCT_ATI_RAGE_LT_PRO_AGP, 230000 },
186 { PCI_PRODUCT_ATI_RAGE_MOB_M3_PCI, 230000 },
187 { PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP, 230000 },
188 { PCI_PRODUCT_ATI_RAGE_LT, 230000 },
189 { PCI_PRODUCT_ATI_RAGE_LT_PRO_PCI, 230000 },
190 { PCI_PRODUCT_ATI_RAGE_MOBILITY, 230000 },
191 { PCI_PRODUCT_ATI_RAGE_LT_PRO, 230000 },
192 { PCI_PRODUCT_ATI_MACH64_VT, 170000 },
193 { PCI_PRODUCT_ATI_MACH64_VTB, 200000 },
194 { PCI_PRODUCT_ATI_MACH64_VT4, 230000 }
195 };
196
197 static int mach64_chip_id, mach64_chip_rev;
198 static struct videomode default_mode;
199 static struct mach64screen mach64_console_screen;
200
201 static char *mach64_memtype_names[] = {
202 "(N/A)", "DRAM", "EDO DRAM", "EDO DRAM", "SDRAM", "SGRAM", "WRAM",
203 "(unknown type)"
204 };
205
206 struct videomode mach64_modes[] = {
207 /* 640x400 @ 70 Hz, 31.5 kHz */
208 { 25175, 640, 664, 760, 800, 400, 409, 411, 450, 0 },
209 /* 640x480 @ 72 Hz, 36.5 kHz */
210 { 25175, 640, 664, 760, 800, 480, 491, 493, 525, 0 },
211 /* 800x600 @ 72 Hz, 48.0 kHz */
212 { 50000, 800, 856, 976, 1040, 600, 637, 643, 666,
213 VID_PHSYNC | VID_PVSYNC },
214 /* 1024x768 @ 70 Hz, 56.5 kHz */
215 { 75000, 1024, 1048, 1184, 1328, 768, 771, 777, 806,
216 VID_NHSYNC | VID_NVSYNC },
217 /* 1152x864 @ 70 Hz, 62.4 kHz */
218 { 92000, 1152, 1208, 1368, 1474, 864, 865, 875, 895, 0 },
219 /* 1280x1024 @ 70 Hz, 74.59 kHz */
220 { 126500, 1280, 1312, 1472, 1696, 1024, 1032, 1040, 1068,
221 VID_NHSYNC | VID_NVSYNC }
222 };
223
224 extern const u_char rasops_cmap[768];
225
226 int mach64_match(struct device *, struct cfdata *, void *);
227 void mach64_attach(struct device *, struct device *, void *);
228
229 CFATTACH_DECL(machfb, sizeof(struct mach64_softc), mach64_match, mach64_attach,
230 NULL, NULL);
231
232 void mach64_init(struct mach64_softc *);
233 int mach64_get_memsize(struct mach64_softc *);
234 int mach64_get_max_ramdac(struct mach64_softc *);
235 void mach64_get_mode(struct mach64_softc *, struct videomode *);
236 int mach64_calc_crtcregs(struct mach64_softc *, struct mach64_crtcregs *,
237 struct videomode *);
238 void mach64_set_crtcregs(struct mach64_softc *, struct mach64_crtcregs *);
239 int mach64_modeswitch(struct mach64_softc *, struct videomode *);
240 void mach64_set_dsp(struct mach64_softc *);
241 void mach64_set_pll(struct mach64_softc *, int);
242 void mach64_reset_engine(struct mach64_softc *);
243 void mach64_init_engine(struct mach64_softc *);
244 void mach64_adjust_frame(struct mach64_softc *, int, int);
245 void mach64_init_lut(struct mach64_softc *);
246 void mach64_switch_screen(struct mach64_softc *);
247 void mach64_init_screen(struct mach64_softc *, struct mach64screen *,
248 const struct wsscreen_descr *, int, long *, int);
249 void mach64_restore_screen(struct mach64screen *,
250 const struct wsscreen_descr *, u_int *);
251 int mach64_set_screentype(struct mach64_softc *,
252 const struct wsscreen_descr *);
253 int mach64_is_console(struct pci_attach_args *);
254
255 void mach64_cursor(void *, int, int, int);
256 int mach64_mapchar(void *, int, u_int *);
257 void mach64_putchar(void *, int, int, u_int, long);
258 void mach64_copycols(void *, int, int, int, int);
259 void mach64_erasecols(void *, int, int, int, long);
260 void mach64_copyrows(void *, int, int, int);
261 void mach64_eraserows(void *, int, int, long);
262 int mach64_allocattr(void *, int, int, int, long *);
263 void mach64_clearscreen(struct mach64_softc *);
264
265 void mach64_scroll(void *, void *, int);
266
267 int mach64_putcmap(struct mach64_softc *, struct wsdisplay_cmap *);
268 int mach64_getcmap(struct mach64_softc *, struct wsdisplay_cmap *);
269 int mach64_putpalreg(struct mach64_softc *, uint8_t, uint8_t, uint8_t, uint8_t);
270 void mach64_bitblt(struct mach64_softc *, int, int, int, int, int, int, int, int) ;
271 void mach64_rectfill(struct mach64_softc *, int, int, int, int, int);
272 void mach64_setup_mono(struct mach64_softc *, int, int, int, int, uint32_t, uint32_t);
273 void mach64_feed_bytes(struct mach64_softc *, int, uint8_t *);
274 void mach64_showpal(struct mach64_softc *);
275 int mach64_getwschar(void *, struct wsdisplay_char *);
276 int mach64_putwschar(void *, struct wsdisplay_char *);
277
278 void set_address(struct rasops_info *, bus_addr_t);
279
280 #if 0
281 const struct wsdisplay_emulops mach64_emulops = {
282 mach64_cursor,
283 mach64_mapchar,
284 mach64_putchar,
285 mach64_copycols,
286 mach64_erasecols,
287 mach64_copyrows,
288 mach64_eraserows,
289 mach64_allocattr,
290 };
291 #endif
292
293 struct wsscreen_descr mach64_defaultscreen = {
294 "default",
295 0, 0,
296 &mach64_console_screen.ri.ri_ops,
297 8, 16,
298 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
299 &default_mode
300 }, mach64_80x25_screen = {
301 "80x25", 80, 25,
302 &mach64_console_screen.ri.ri_ops,
303 8, 16,
304 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
305 &mach64_modes[0]
306 }, mach64_80x30_screen = {
307 "80x30", 80, 30,
308 &mach64_console_screen.ri.ri_ops,
309 8, 16,
310 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
311 &mach64_modes[1]
312 }, mach64_80x40_screen = {
313 "80x40", 80, 40,
314 &mach64_console_screen.ri.ri_ops,
315 8, 10,
316 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
317 &mach64_modes[0]
318 }, mach64_80x50_screen = {
319 "80x50", 80, 50,
320 &mach64_console_screen.ri.ri_ops,
321 8, 8,
322 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
323 &mach64_modes[0]
324 }, mach64_100x37_screen = {
325 "100x37", 100, 37,
326 &mach64_console_screen.ri.ri_ops,
327 8, 16,
328 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
329 &mach64_modes[2]
330 }, mach64_128x48_screen = {
331 "128x48", 128, 48,
332 &mach64_console_screen.ri.ri_ops,
333 8, 16,
334 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
335 &mach64_modes[3]
336 }, mach64_144x54_screen = {
337 "144x54", 144, 54,
338 &mach64_console_screen.ri.ri_ops,
339 8, 16,
340 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
341 &mach64_modes[4]
342 }, mach64_160x64_screen = {
343 "160x54", 160, 64,
344 &mach64_console_screen.ri.ri_ops,
345 8, 16,
346 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
347 &mach64_modes[5]
348 };
349
350 const struct wsscreen_descr *_mach64_scrlist[] = {
351 &mach64_defaultscreen,
352 &mach64_80x25_screen,
353 &mach64_80x30_screen,
354 &mach64_80x40_screen,
355 &mach64_80x50_screen,
356 &mach64_100x37_screen,
357 &mach64_128x48_screen,
358 &mach64_144x54_screen,
359 &mach64_160x64_screen
360 };
361
362 struct wsscreen_list mach64_screenlist = {
363 sizeof(_mach64_scrlist) / sizeof(struct wsscreen_descr *),
364 _mach64_scrlist
365 };
366
367 int mach64_ioctl(void *, u_long, caddr_t, int, struct proc *);
368 paddr_t mach64_mmap(void *, off_t, int);
369 int mach64_alloc_screen(void *, const struct wsscreen_descr *, void **,
370 int *, int *, long *);
371 void mach64_free_screen(void *, void *);
372 int mach64_show_screen(void *, void *, int, void (*)(void *, int, int),
373 void *);
374 int mach64_load_font(void *, void *, struct wsdisplay_font *);
375
376 struct wsdisplay_accessops mach64_accessops = {
377 mach64_ioctl,
378 mach64_mmap,
379 mach64_alloc_screen,
380 mach64_free_screen,
381 mach64_show_screen,
382 NULL, /* load_font */
383 NULL, /* polls */
384 mach64_getwschar, /* getwschar */
385 mach64_putwschar, /* putwschar */
386 NULL, /* scroll */
387 NULL, /* getborder */
388 NULL /* setborder */
389 };
390
391 /*
392 * Inline functions for getting access to register aperture.
393 */
394 static inline u_int32_t regr(struct mach64_softc *, u_int32_t);
395 static inline u_int8_t regrb(struct mach64_softc *, u_int32_t);
396 static inline void regw(struct mach64_softc *, u_int32_t, u_int32_t);
397 static inline void regwb(struct mach64_softc *, u_int32_t, u_int8_t);
398 static inline void regwb_pll(struct mach64_softc *, u_int32_t, u_int8_t);
399
400 static inline u_int32_t
401 regr(struct mach64_softc *sc, u_int32_t index)
402 {
403
404 return bus_space_read_4(sc->sc_regt, sc->sc_regh, index);
405 }
406
407 static inline u_int8_t
408 regrb(struct mach64_softc *sc, u_int32_t index)
409 {
410
411 return bus_space_read_1(sc->sc_regt, sc->sc_regh, index);
412 }
413
414 static inline void
415 regw(struct mach64_softc *sc, u_int32_t index, u_int32_t data)
416 {
417
418 bus_space_write_4(sc->sc_regt, sc->sc_regh, index, data);
419 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 4, BUS_SPACE_BARRIER_WRITE);
420 }
421
422 static inline void
423 regwb(struct mach64_softc *sc, u_int32_t index, u_int8_t data)
424 {
425
426 bus_space_write_1(sc->sc_regt, sc->sc_regh, index, data);
427 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 1, BUS_SPACE_BARRIER_WRITE);
428 }
429
430 static inline void
431 regwb_pll(struct mach64_softc *sc, u_int32_t index, u_int8_t data)
432 {
433
434 regwb(sc, CLOCK_CNTL + 1, (index << 2) | PLL_WR_EN);
435 regwb(sc, CLOCK_CNTL + 2, data);
436 regwb(sc, CLOCK_CNTL + 1, (index << 2) & ~PLL_WR_EN);
437 }
438
439 static inline void
440 wait_for_fifo(struct mach64_softc *sc, u_int8_t v)
441 {
442
443 while ((regr(sc, FIFO_STAT) & 0xffff) > (0x8000 >> v))
444 ;
445 }
446
447 static inline void
448 wait_for_idle(struct mach64_softc *sc)
449 {
450
451 wait_for_fifo(sc, 16);
452 while ((regr(sc, GUI_STAT) & 1) != 0)
453 ;
454 }
455
456 int
457 mach64_match(struct device *parent, struct cfdata *match, void *aux)
458 {
459 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
460 int i;
461
462 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY ||
463 PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_DISPLAY_VGA)
464 return 0;
465
466 for (i = 0; i < sizeof(mach64_info) / sizeof(mach64_info[0]); i++)
467 if (PCI_PRODUCT(pa->pa_id) == mach64_info[i].chip_id) {
468 mach64_chip_id = PCI_PRODUCT(pa->pa_id);
469 mach64_chip_rev = PCI_REVISION(pa->pa_class);
470 return 100;
471 }
472
473 return 0;
474 }
475
476 void
477 mach64_attach(struct device *parent, struct device *self, void *aux)
478 {
479 struct mach64_softc *sc = (void *)self;
480 struct pci_attach_args *pa = aux;
481 char devinfo[256];
482 int bar, reg, id;
483 struct wsemuldisplaydev_attach_args aa;
484 long defattr;
485 int setmode, console;
486 pcireg_t screg;
487
488 sc->sc_pc = pa->pa_pc;
489 sc->sc_pcitag = pa->pa_tag;
490 sc->sc_dacw=-1;
491 sc->sc_mode=WSDISPLAYIO_MODE_EMUL;
492
493 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
494 printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
495
496 /* enable memory and IO access */
497 screg=pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_COMMAND_STATUS_REG);
498 screg|=PCI_FLAGS_IO_ENABLED|PCI_FLAGS_MEM_ENABLED;
499 pci_conf_write(sc->sc_pc, sc->sc_pcitag,PCI_COMMAND_STATUS_REG,screg);
500
501 /* enable memory and IO access */
502 screg=pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_COMMAND_STATUS_REG);
503 screg|=PCI_FLAGS_IO_ENABLED|PCI_FLAGS_MEM_ENABLED;
504 pci_conf_write(sc->sc_pc, sc->sc_pcitag,PCI_COMMAND_STATUS_REG,screg);
505
506 for (bar = 0; bar < NBARS; bar++) {
507 reg = PCI_MAPREG_START + (bar * 4);
508 sc->sc_bars[bar].vb_type = pci_mapreg_type(sc->sc_pc,
509 sc->sc_pcitag, reg);
510 (void)pci_mapreg_info(sc->sc_pc, sc->sc_pcitag, reg,
511 sc->sc_bars[bar].vb_type, &sc->sc_bars[bar].vb_base,
512 &sc->sc_bars[bar].vb_size, &sc->sc_bars[bar].vb_flags);
513 sc->sc_bars[bar].vb_busaddr=pci_conf_read(sc->sc_pc, sc->sc_pcitag, reg)&0xfffffff0;
514 }
515 sc->sc_memt = pa->pa_memt;
516
517 mach64_init(sc);
518
519 printf("%s: %d MB aperture at 0x%08x, %d KB registers at 0x%08x\n",
520 sc->sc_dev.dv_xname, (u_int)(sc->sc_apersize / (1024 * 1024)),
521 (u_int)sc->sc_aperphys, (u_int)(sc->sc_regsize / 1024),
522 (u_int)sc->sc_regphys);
523
524 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_CT ||
525 ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
526 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
527 (mach64_chip_rev & 0x07) == 0))
528 sc->has_dsp = 0;
529 else
530 sc->has_dsp = 1;
531
532 sc->memsize = mach64_get_memsize(sc);
533 if (sc->memsize == 8192)
534 /* The last page is used as register aperture. */
535 sc->memsize -= 4;
536 sc->memtype = regr(sc, CONFIG_STAT0) & 0x07;
537
538 /* XXX is there any way to calculate reference frequency from
539 known values? */
540 if ((mach64_chip_id == PCI_PRODUCT_ATI_RAGE_XL_PCI) ||
541 ((mach64_chip_id>=PCI_PRODUCT_ATI_RAGE_LT_PRO_PCI) &&
542 (mach64_chip_id<=PCI_PRODUCT_ATI_RAGE_LT_PRO))) {
543 printf("ref_freq=29.498MHz\n");
544 sc->ref_freq = 29498;
545 } else
546 sc->ref_freq = 14318;
547
548 regwb(sc, CLOCK_CNTL + 1, PLL_REF_DIV << 2);
549 sc->ref_div = regrb(sc, CLOCK_CNTL + 2);
550 regwb(sc, CLOCK_CNTL + 1, MCLK_FB_DIV << 2);
551 sc->mclk_fb_div = regrb(sc, CLOCK_CNTL + 2);
552 sc->mem_freq = (2 * sc->ref_freq * sc->mclk_fb_div) /
553 (sc->ref_div * 2);
554 sc->mclk_post_div = (sc->mclk_fb_div * 2 * sc->ref_freq) /
555 (sc->mem_freq * sc->ref_div);
556 sc->ramdac_freq = mach64_get_max_ramdac(sc);
557 printf("%s: %ld KB %s %d.%d MHz, maximum RAMDAC clock %d MHz\n",
558 sc->sc_dev.dv_xname, (u_long)sc->memsize,
559 mach64_memtype_names[sc->memtype],
560 sc->mem_freq / 1000, sc->mem_freq % 1000,
561 sc->ramdac_freq / 1000);
562
563 id = regr(sc, CONFIG_CHIP_ID) & 0xffff;
564 if (id != mach64_chip_id) {
565 printf("%s: chip ID mismatch, 0x%x != 0x%x\n",
566 sc->sc_dev.dv_xname, id, mach64_chip_id);
567 return;
568 }
569
570 console = mach64_is_console(pa);
571
572 #if defined(__sparc__) || defined(__powerpc__)
573 if (console) {
574 mach64_get_mode(sc, &default_mode);
575 setmode = 0;
576 } else {
577 memcpy(&default_mode, &mach64_modes[4], sizeof(struct videomode));
578 setmode = 1;
579 }
580 #else
581 memcpy(&default_mode, &mach64_modes[0], sizeof(struct videomode));
582 setmode = 1;
583 #endif
584
585 sc->bits_per_pixel = 8;
586 sc->virt_x = default_mode.hdisplay;
587 sc->virt_y = default_mode.vdisplay;
588 sc->max_x = sc->virt_x - 1;
589 sc->max_y = (sc->memsize * 1024) /
590 (sc->virt_x * (sc->bits_per_pixel / 8)) - 1;
591
592 sc->color_depth = CRTC_PIX_WIDTH_8BPP;
593
594 mach64_init_engine(sc);
595 #if 0
596 mach64_adjust_frame(0, 0);
597 if (sc->bits_per_pixel == 8)
598 mach64_init_lut(sc);
599 #endif
600
601 printf("%s: initial resolution %dx%d at %d bpp\n", sc->sc_dev.dv_xname,
602 default_mode.hdisplay, default_mode.vdisplay,
603 sc->bits_per_pixel);
604
605 mach64_console_screen.ri.ri_hw = &mach64_console_screen;
606 mach64_console_screen.ri.ri_depth = sc->bits_per_pixel;
607 mach64_console_screen.ri.ri_width = default_mode.hdisplay;
608 mach64_console_screen.ri.ri_height = default_mode.vdisplay;
609 mach64_console_screen.ri.ri_stride = mach64_console_screen.ri.ri_width;
610
611 mach64_console_screen.ri.ri_bits=(void *)(uintptr_t)sc->sc_aperbase;
612
613 mach64_console_screen.ri.ri_flg = RI_CENTER;
614 mach64_console_screen.active=1;
615 sc->active=&mach64_console_screen;
616
617 rasops_init(&mach64_console_screen.ri, mach64_console_screen.ri.ri_height / 16,
618 mach64_console_screen.ri.ri_width / 8); /* XXX width/height are nonsense */
619 rasops_reconfig(&mach64_console_screen.ri,
620 mach64_console_screen.ri.ri_height / mach64_console_screen.ri.ri_font->fontheight,
621 mach64_console_screen.ri.ri_width / mach64_console_screen.ri.ri_font->fontwidth);
622
623 set_address(&mach64_console_screen.ri,sc->sc_aperbase);
624
625
626 /* enable acceleration */
627 mach64_console_screen.ri.ri_ops.copyrows=mach64_copyrows;
628 mach64_console_screen.ri.ri_ops.eraserows=mach64_eraserows;
629 mach64_console_screen.ri.ri_ops.copycols=mach64_copycols;
630 mach64_console_screen.ri.ri_ops.erasecols=mach64_erasecols;
631 mach64_console_screen.ri.ri_ops.putchar=mach64_putchar;
632 mach64_console_screen.ri.ri_ops.cursor=mach64_cursor;
633
634 mach64_defaultscreen.nrows = mach64_console_screen.ri.ri_rows;
635 mach64_defaultscreen.ncols = mach64_console_screen.ri.ri_cols;
636
637 mach64_allocattr(&mach64_console_screen.ri, WS_DEFAULT_FG, WS_DEFAULT_BG, 0,
638 &defattr);
639
640 sc->sc_bg=WS_DEFAULT_BG;
641
642
643 /* really necessary? */
644 mach64_defaultscreen.capabilities=mach64_console_screen.ri.ri_caps;
645 mach64_defaultscreen.textops=&mach64_console_screen.ri.ri_ops;
646
647 /* Initialize fonts */
648 /* XXX shouldn't that happen /before/ we call rasops_init()? */
649 wsfont_init();
650
651 if (console) {
652 mach64_init_screen(sc, &mach64_console_screen,
653 &mach64_defaultscreen, 1, &defattr, setmode);
654 wsdisplay_cnattach(&mach64_defaultscreen, &mach64_console_screen.ri,
655 0, 0, defattr);
656 }
657
658 mach64_init_lut(sc);
659 mach64_clearscreen(sc);
660
661 aa.console = console;
662 aa.scrdata = &mach64_screenlist;
663 aa.accessops = &mach64_accessops;
664 aa.accesscookie = sc;
665
666 config_found(self, &aa, wsemuldisplaydevprint);
667 }
668
669 void
670 mach64_init_screen(struct mach64_softc *sc, struct mach64screen *scr,
671 const struct wsscreen_descr *type, int existing, long *attrp, int setmode)
672 {
673 struct rasops_info *ri=&scr->ri;
674 int cnt;
675 scr->sc = sc;
676 scr->type = type;
677 scr->mindispoffset = 0;
678 scr->maxdispoffset = sc->memsize * 1024;
679 scr->dispoffset = 0;
680 scr->cursorcol = 0;
681 scr->cursorrow = 0;
682
683 cnt=type->nrows * type->ncols;
684 scr->attrs=(long *)malloc((cnt)*(sizeof(long)+sizeof(u_int)),
685 M_DEVBUF, M_WAITOK);
686 scr->chars=(u_int *)&scr->attrs[cnt];
687 /* we allocate both chars and attributes in one chunk, attributes first because
688 they have the (potentially) bigger alignment */
689
690 ri->ri_depth = sc->bits_per_pixel;
691 ri->ri_width = default_mode.hdisplay;
692 ri->ri_height = default_mode.vdisplay;
693 ri->ri_stride = ri->ri_width;
694 ri->ri_flg = RI_CENTER;
695
696 if (existing) {
697 scr->active = 1;
698 ri->ri_flg|=RI_CLEAR;
699 if (setmode && mach64_set_screentype(sc, type)) {
700 panic("%s: failed to switch video mode",
701 sc->sc_dev.dv_xname);
702 }
703 } else {
704 scr->active = 0;
705 }
706
707 LIST_INSERT_HEAD(&sc->screens, scr, next);
708 }
709
710 void
711 mach64_init(struct mach64_softc *sc)
712 {
713 u_int32_t *p32, saved_value;
714 u_int8_t *p;
715 int need_swap;
716
717 if (bus_space_map(sc->sc_memt, sc->sc_aperbase, sc->sc_apersize,
718 BUS_SPACE_MAP_LINEAR, &sc->sc_memh)) {
719 panic("%s: failed to map aperture", sc->sc_dev.dv_xname);
720 }
721 sc->sc_aperbase = (vaddr_t)bus_space_vaddr(sc->sc_memt, sc->sc_memh);
722
723 sc->sc_regt = sc->sc_memt;
724 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF,
725 sc->sc_regsize, &sc->sc_regh);
726 sc->sc_regbase = sc->sc_aperbase + 0x7ffc00;
727
728 /*
729 * Test wether the aperture is byte swapped or not
730 */
731 p32 = (u_int32_t*)(u_long)sc->sc_aperbase;
732 saved_value = *p32;
733 p = (u_int8_t*)(u_long)sc->sc_aperbase;
734 *p32 = 0x12345678;
735 if (p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)
736 need_swap = 0;
737 else
738 need_swap = 1;
739 if (need_swap) {
740 sc->sc_aperbase += 0x800000;
741 sc->sc_apersize -= 0x800000;
742 }
743 *p32 = saved_value;
744
745 LIST_INIT(&sc->screens);
746 sc->active = NULL;
747 sc->currenttype = &mach64_defaultscreen;
748 callout_init(&sc->switch_callout);
749 }
750
751 int
752 mach64_get_memsize(struct mach64_softc *sc)
753 {
754 int tmp, memsize;
755 int mem_tab[] = {
756 512, 1024, 2048, 4096, 6144, 8192, 12288, 16384
757 };
758
759 tmp = regr(sc, MEM_CNTL);
760 printf("memctl: %08x\n",tmp);
761 if (sc->has_dsp) {
762 tmp &= 0x0000000f;
763 if (tmp < 8)
764 memsize = (tmp + 1) * 512;
765 else if (tmp < 12)
766 memsize = (tmp - 3) * 1024;
767 else
768 memsize = (tmp - 7) * 2048;
769 } else {
770 memsize = mem_tab[tmp & 0x07];
771 }
772
773 return memsize;
774 }
775
776 int
777 mach64_get_max_ramdac(struct mach64_softc *sc)
778 {
779 int i;
780
781 if ((mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
782 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II) &&
783 (mach64_chip_rev & 0x07))
784 return 170000;
785
786 for (i = 0; i < sizeof(mach64_info) / sizeof(mach64_info[0]); i++)
787 if (mach64_chip_id == mach64_info[i].chip_id)
788 return mach64_info[i].ramdac_freq;
789
790 if (sc->bits_per_pixel == 8)
791 return 135000;
792 else
793 return 80000;
794 }
795
796 void
797 mach64_get_mode(struct mach64_softc *sc, struct videomode *mode)
798 {
799 struct mach64_crtcregs crtc;
800
801 crtc.h_total_disp = regr(sc, CRTC_H_TOTAL_DISP);
802 crtc.h_sync_strt_wid = regr(sc, CRTC_H_SYNC_STRT_WID);
803 crtc.v_total_disp = regr(sc, CRTC_V_TOTAL_DISP);
804 crtc.v_sync_strt_wid = regr(sc, CRTC_V_SYNC_STRT_WID);
805
806 mode->htotal = ((crtc.h_total_disp & 0xffff) + 1) << 3;
807 mode->hdisplay = ((crtc.h_total_disp >> 16) + 1) << 3;
808 mode->hsync_start = ((crtc.h_sync_strt_wid & 0xffff) + 1) << 3;
809 mode->hsync_end = ((crtc.h_sync_strt_wid >> 16) << 3) +
810 mode->hsync_start;
811 mode->vtotal = (crtc.v_total_disp & 0xffff) + 1;
812 mode->vdisplay = (crtc.v_total_disp >> 16) + 1;
813 mode->vsync_start = (crtc.v_sync_strt_wid & 0xffff) + 1;
814 mode->vsync_end = (crtc.v_sync_strt_wid >> 16) + mode->vsync_start;
815
816 #ifdef DEBUG_MACHFB
817 printf("mach64_get_mode: %d %d %d %d %d %d %d %d\n",
818 mode->hdisplay, mode->hsync_start, mode->hsync_end, mode->htotal,
819 mode->vdisplay, mode->vsync_start, mode->vsync_end, mode->vtotal);
820 #endif
821 }
822
823 int
824 mach64_calc_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc,
825 struct videomode *mode)
826 {
827
828 if (mode->dot_clock > sc->ramdac_freq)
829 /* Clock too high. */
830 return 1;
831
832 crtc->h_total_disp = (((mode->hdisplay >> 3) - 1) << 16) |
833 ((mode->htotal >> 3) - 1);
834 crtc->h_sync_strt_wid =
835 (((mode->hsync_end - mode->hsync_start) >> 3) << 16) |
836 ((mode->hsync_start >> 3) - 1);
837
838 crtc->v_total_disp = ((mode->vdisplay - 1) << 16) |
839 (mode->vtotal - 1);
840 crtc->v_sync_strt_wid =
841 ((mode->vsync_end - mode->vsync_start) << 16) |
842 (mode->vsync_start - 1);
843
844 if (mode->flags & VID_NVSYNC)
845 crtc->v_sync_strt_wid |= CRTC_VSYNC_NEG;
846
847 switch (sc->bits_per_pixel) {
848 case 8:
849 crtc->color_depth = CRTC_PIX_WIDTH_8BPP;
850 break;
851 case 16:
852 crtc->color_depth = CRTC_PIX_WIDTH_16BPP;
853 break;
854 case 32:
855 crtc->color_depth = CRTC_PIX_WIDTH_32BPP;
856 break;
857 }
858
859 crtc->gen_cntl = 0;
860 if (mode->flags & VID_INTERLACE)
861 crtc->gen_cntl |= CRTC_INTERLACE_EN;
862 if (mode->flags & VID_CSYNC)
863 crtc->gen_cntl |= CRTC_CSYNC_EN;
864
865 crtc->dot_clock = mode->dot_clock;
866
867 return 0;
868 }
869
870 void
871 mach64_set_crtcregs(struct mach64_softc *sc, struct mach64_crtcregs *crtc)
872 {
873
874 mach64_set_pll(sc, crtc->dot_clock);
875
876 if (sc->has_dsp)
877 mach64_set_dsp(sc);
878
879 regw(sc, CRTC_H_TOTAL_DISP, crtc->h_total_disp);
880 regw(sc, CRTC_H_SYNC_STRT_WID, crtc->h_sync_strt_wid);
881 regw(sc, CRTC_V_TOTAL_DISP, crtc->v_total_disp);
882 regw(sc, CRTC_V_SYNC_STRT_WID, crtc->v_sync_strt_wid);
883
884 regw(sc, CRTC_VLINE_CRNT_VLINE, 0);
885
886 regw(sc, CRTC_OFF_PITCH, (sc->virt_x >> 3) << 22);
887
888 regw(sc, CRTC_GEN_CNTL, crtc->gen_cntl | crtc->color_depth |
889 CRTC_EXT_DISP_EN | CRTC_EXT_EN);
890 }
891
892 int
893 mach64_modeswitch(struct mach64_softc *sc, struct videomode *mode)
894 {
895 struct mach64_crtcregs crtc;
896
897 if (mach64_calc_crtcregs(sc, &crtc, mode))
898 return 1;
899
900 mach64_set_crtcregs(sc, &crtc);
901 return 0;
902 }
903
904 void
905 mach64_reset_engine(struct mach64_softc *sc)
906 {
907
908 /* Reset engine.*/
909 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) & ~GUI_ENGINE_ENABLE);
910
911 /* Enable engine. */
912 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) | GUI_ENGINE_ENABLE);
913
914 /* Ensure engine is not locked up by clearing any FIFO or
915 host errors. */
916 regw(sc, BUS_CNTL, regr(sc, BUS_CNTL) | BUS_HOST_ERR_ACK |
917 BUS_FIFO_ERR_ACK);
918 }
919
920 void
921 mach64_init_engine(struct mach64_softc *sc)
922 {
923 u_int32_t pitch_value;
924
925 pitch_value = sc->virt_x;
926
927 if (sc->bits_per_pixel == 24)
928 pitch_value *= 3;
929
930 mach64_reset_engine(sc);
931
932 wait_for_fifo(sc, 14);
933
934 regw(sc, CONTEXT_MASK, 0xffffffff);
935
936 regw(sc, DST_OFF_PITCH, (pitch_value / 8) << 22);
937
938 regw(sc, DST_Y_X, 0);
939 regw(sc, DST_HEIGHT, 0);
940 regw(sc, DST_BRES_ERR, 0);
941 regw(sc, DST_BRES_INC, 0);
942 regw(sc, DST_BRES_DEC, 0);
943
944 regw(sc, DST_CNTL, DST_LAST_PEL | DST_X_LEFT_TO_RIGHT |
945 DST_Y_TOP_TO_BOTTOM);
946
947 regw(sc, SRC_OFF_PITCH, (pitch_value / 8) << 22);
948
949 regw(sc, SRC_Y_X, 0);
950 regw(sc, SRC_HEIGHT1_WIDTH1, 1);
951 regw(sc, SRC_Y_X_START, 0);
952 regw(sc, SRC_HEIGHT2_WIDTH2, 1);
953
954 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT);
955
956 wait_for_fifo(sc, 13);
957 regw(sc, HOST_CNTL, 0);
958
959 regw(sc, PAT_REG0, 0);
960 regw(sc, PAT_REG1, 0);
961 regw(sc, PAT_CNTL, 0);
962
963 regw(sc, SC_LEFT, 0);
964 regw(sc, SC_TOP, 0);
965 regw(sc, SC_BOTTOM, default_mode.vdisplay - 1);
966 regw(sc, SC_RIGHT, pitch_value - 1);
967
968 regw(sc, DP_BKGD_CLR, 0);
969 regw(sc, DP_FRGD_CLR, 0xffffffff);
970 regw(sc, DP_WRITE_MASK, 0xffffffff);
971 regw(sc, DP_MIX, (MIX_SRC << 16) | MIX_DST);
972
973 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR);
974
975 wait_for_fifo(sc, 3);
976 regw(sc, CLR_CMP_CLR, 0);
977 regw(sc, CLR_CMP_MASK, 0xffffffff);
978 regw(sc, CLR_CMP_CNTL, 0);
979
980 wait_for_fifo(sc, 2);
981 switch (sc->bits_per_pixel) {
982 case 8:
983 regw(sc, DP_PIX_WIDTH, HOST_8BPP | SRC_8BPP | DST_8BPP);
984 regw(sc, DP_CHAIN_MASK, DP_CHAIN_8BPP);
985 /* XXX huh? We /want/ an 8 bit per channel palette! */
986 /*regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) & ~DAC_8BIT_EN);*/
987 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN);
988 break;
989 #if 0
990 case 32:
991 regw(sc, DP_PIX_WIDTH, HOST_32BPP | SRC_32BPP | DST_32BPP);
992 regw(sc, DP_CHAIN_MASK, DP_CHAIN_32BPP);
993 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN);
994 break;
995 #endif
996 }
997
998 wait_for_fifo(sc, 5);
999 regw(sc, CRTC_INT_CNTL, regr(sc, CRTC_INT_CNTL) & ~0x20);
1000 regw(sc, GUI_TRAJ_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
1001
1002 wait_for_idle(sc);
1003 }
1004
1005 void
1006 mach64_adjust_frame(struct mach64_softc *sc, int x, int y)
1007 {
1008 int offset;
1009
1010 offset = ((x + y * sc->virt_x) * (sc->bits_per_pixel >> 3)) >> 3;
1011
1012 regw(sc, CRTC_OFF_PITCH, (regr(sc, CRTC_OFF_PITCH) & 0xfff00000) |
1013 offset);
1014 }
1015
1016 void
1017 mach64_set_dsp(struct mach64_softc *sc)
1018 {
1019 u_int32_t fifo_depth, page_size, dsp_precision, dsp_loop_latency;
1020 u_int32_t dsp_off, dsp_on, dsp_xclks_per_qw;
1021 u_int32_t xclks_per_qw, y;
1022 u_int32_t fifo_off, fifo_on;
1023
1024 printf("initializing the DSP\n");
1025 if (mach64_chip_id == PCI_PRODUCT_ATI_MACH64_VT ||
1026 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_II ||
1027 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIP ||
1028 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_PCI ||
1029 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_B ||
1030 mach64_chip_id == PCI_PRODUCT_ATI_RAGE_IIC_AGP_P) {
1031 dsp_loop_latency = 0;
1032 fifo_depth = 24;
1033 } else {
1034 dsp_loop_latency = 2;
1035 fifo_depth = 32;
1036 }
1037
1038 dsp_precision = 0;
1039 xclks_per_qw = (sc->mclk_fb_div * sc->vclk_post_div * 64 << 11) /
1040 (sc->vclk_fb_div * sc->mclk_post_div * sc->bits_per_pixel);
1041 y = (xclks_per_qw * fifo_depth) >> 11;
1042 while (y) {
1043 y >>= 1;
1044 dsp_precision++;
1045 }
1046 dsp_precision -= 5;
1047 fifo_off = ((xclks_per_qw * (fifo_depth - 1)) >> 5) + (3 << 6);
1048
1049 switch (sc->memtype) {
1050 case DRAM:
1051 case EDO_DRAM:
1052 case PSEUDO_EDO:
1053 if (sc->memsize > 1024) {
1054 page_size = 9;
1055 dsp_loop_latency += 6;
1056 } else {
1057 page_size = 10;
1058 if (sc->memtype == DRAM)
1059 dsp_loop_latency += 8;
1060 else
1061 dsp_loop_latency += 7;
1062 }
1063 break;
1064 case SDRAM:
1065 case SGRAM:
1066 if (sc->memsize > 1024) {
1067 page_size = 8;
1068 dsp_loop_latency += 8;
1069 } else {
1070 page_size = 10;
1071 dsp_loop_latency += 9;
1072 }
1073 break;
1074 default:
1075 page_size = 10;
1076 dsp_loop_latency += 9;
1077 break;
1078 }
1079
1080 if (xclks_per_qw >= (page_size << 11))
1081 fifo_on = ((2 * page_size + 1) << 6) + (xclks_per_qw >> 5);
1082 else
1083 fifo_on = (3 * page_size + 2) << 6;
1084
1085 dsp_xclks_per_qw = xclks_per_qw >> dsp_precision;
1086 dsp_on = fifo_on >> dsp_precision;
1087 dsp_off = fifo_off >> dsp_precision;
1088
1089 #ifdef DEBUG_MACHFB
1090 printf("dsp_xclks_per_qw = %d, dsp_on = %d, dsp_off = %d,\n"
1091 "dsp_precision = %d, dsp_loop_latency = %d,\n"
1092 "mclk_fb_div = %d, vclk_fb_div = %d,\n"
1093 "mclk_post_div = %d, vclk_post_div = %d\n",
1094 dsp_xclks_per_qw, dsp_on, dsp_off, dsp_precision, dsp_loop_latency,
1095 sc->mclk_fb_div, sc->vclk_fb_div,
1096 sc->mclk_post_div, sc->vclk_post_div);
1097 #endif
1098
1099 regw(sc, DSP_ON_OFF, ((dsp_on << 16) & DSP_ON) | (dsp_off & DSP_OFF));
1100 regw(sc, DSP_CONFIG, ((dsp_precision << 20) & DSP_PRECISION) |
1101 ((dsp_loop_latency << 16) & DSP_LOOP_LATENCY) |
1102 (dsp_xclks_per_qw & DSP_XCLKS_PER_QW));
1103 }
1104
1105 void
1106 mach64_set_pll(struct mach64_softc *sc, int clock)
1107 {
1108 int q;
1109
1110 q = (clock * sc->ref_div * 100) / (2 * sc->ref_freq);
1111 #ifdef DEBUG_MACHFB
1112 printf("q = %d\n", q);
1113 #endif
1114 if (q > 25500) {
1115 printf("Warning: q > 25500\n");
1116 q = 25500;
1117 sc->vclk_post_div = 1;
1118 sc->log2_vclk_post_div = 0;
1119 } else if (q > 12750) {
1120 sc->vclk_post_div = 1;
1121 sc->log2_vclk_post_div = 0;
1122 } else if (q > 6350) {
1123 sc->vclk_post_div = 2;
1124 sc->log2_vclk_post_div = 1;
1125 } else if (q > 3150) {
1126 sc->vclk_post_div = 4;
1127 sc->log2_vclk_post_div = 2;
1128 } else if (q >= 1600) {
1129 sc->vclk_post_div = 8;
1130 sc->log2_vclk_post_div = 3;
1131 } else {
1132 printf("Warning: q < 1600\n");
1133 sc->vclk_post_div = 8;
1134 sc->log2_vclk_post_div = 3;
1135 }
1136 sc->vclk_fb_div = q * sc->vclk_post_div / 100;
1137
1138 regwb_pll(sc, MCLK_FB_DIV, sc->mclk_fb_div);
1139 regwb_pll(sc, VCLK_POST_DIV, sc->log2_vclk_post_div);
1140 regwb_pll(sc, VCLK0_FB_DIV, sc->vclk_fb_div);
1141 }
1142
1143 void
1144 mach64_init_lut(struct mach64_softc *sc)
1145 {
1146 int i,idx;
1147 idx=0;
1148 for(i=0;i<256;i++) {
1149 mach64_putpalreg(sc,i,rasops_cmap[idx],rasops_cmap[idx+1],rasops_cmap[idx+2]);
1150 idx+=3;
1151 }
1152 }
1153
1154 int
1155 mach64_putpalreg(struct mach64_softc *sc, uint8_t index, uint8_t r, uint8_t g, uint8_t b)
1156 {
1157 sc->sc_cmap_red[index]=r;
1158 sc->sc_cmap_green[index]=g;
1159 sc->sc_cmap_blue[index]=b;
1160 /* writing the dac index takes a while, in theory we can poll some register
1161 to see when it's ready - but we better avoid writing it unnecessarily */
1162 if(index!=sc->sc_dacw)
1163 {
1164 regwb(sc, DAC_MASK, 0xff);
1165 regwb(sc, DAC_WINDEX, index);
1166 }
1167 sc->sc_dacw=index+1;
1168 regwb(sc, DAC_DATA, r);
1169 regwb(sc, DAC_DATA, g);
1170 regwb(sc, DAC_DATA, b);
1171 return 0;
1172 }
1173
1174 int
1175 mach64_putcmap(struct mach64_softc *sc, struct wsdisplay_cmap *cm)
1176 {
1177 u_int index = cm->index;
1178 u_int count = cm->count;
1179 int i, error;
1180 u_char rbuf[256], gbuf[256], bbuf[256];
1181 u_char *r, *g, *b;
1182
1183 printf("putcmap: %d %d\n",index, count);
1184 if (cm->index >= 256 || cm->count > 256 ||
1185 (cm->index + cm->count) > 256)
1186 return EINVAL;
1187 error = copyin(cm->red, &rbuf[index], count);
1188 if (error)
1189 return error;
1190 error = copyin(cm->green, &gbuf[index], count);
1191 if (error)
1192 return error;
1193 error = copyin(cm->blue, &bbuf[index], count);
1194 if (error)
1195 return error;
1196
1197 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
1198 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
1199 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
1200
1201 r = &sc->sc_cmap_red[index];
1202 g = &sc->sc_cmap_green[index];
1203 b = &sc->sc_cmap_blue[index];
1204
1205 for (i = 0; i < count; i++) {
1206 mach64_putpalreg(sc,index,*r, *g, *b);
1207 index++;
1208 r++, g++, b++;
1209 }
1210 return 0;
1211 }
1212
1213 int
1214 mach64_getcmap(struct mach64_softc *sc, struct wsdisplay_cmap *cm)
1215 {
1216 u_int index = cm->index;
1217 u_int count = cm->count;
1218 int error;
1219
1220 if (index >= 255 || count > 256 || index + count > 256)
1221 return EINVAL;
1222
1223 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
1224 if (error)
1225 return error;
1226 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
1227 if (error)
1228 return error;
1229 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
1230 if (error)
1231 return error;
1232
1233 return 0;
1234 }
1235
1236 int
1237 mach64_set_screentype(struct mach64_softc *sc, const struct wsscreen_descr *des)
1238 {
1239 struct mach64_crtcregs regs;
1240
1241 if (mach64_calc_crtcregs(sc, ®s,
1242 (struct videomode *)des->modecookie))
1243 return 1;
1244
1245 mach64_set_crtcregs(sc, ®s);
1246 return 0;
1247 }
1248
1249 int
1250 mach64_is_console(struct pci_attach_args *pa)
1251 {
1252 #ifdef __sparc__
1253 int node;
1254
1255 node = PCITAG_NODE(pa->pa_tag);
1256 if (node == -1)
1257 return 0;
1258
1259 return (node == prom_instance_to_package(prom_stdout()));
1260 #elif defined(__powerpc__)
1261 /* check if we're the /chosen console device */
1262 int chosen, stdout, node, us;
1263 us=pcidev_to_ofdev(pa->pa_pc, pa->pa_tag);
1264 chosen = OF_finddevice("/chosen");
1265 OF_getprop(chosen, "stdout", &stdout, 4);
1266 node = OF_instance_to_package(stdout);
1267 return(us==node);
1268 #else
1269 return 1;
1270 #endif
1271 }
1272
1273 /*
1274 * wsdisplay_emulops
1275 */
1276
1277 void
1278 mach64_cursor(void *cookie, int on, int row, int col)
1279 {
1280 struct rasops_info *ri=cookie;
1281 struct mach64screen *scr=ri->ri_hw;
1282 struct mach64_softc *sc=scr->sc;
1283 int x,y,wi=ri->ri_font->fontwidth,he=ri->ri_font->fontheight;
1284 if(scr->active) {
1285 x=scr->cursorcol*wi+ri->ri_xorigin;
1286 y=scr->cursorrow*he+ri->ri_yorigin;
1287 if(scr->cursordrawn) {
1288 mach64_bitblt(sc,x,y,x,y,wi,he,MIX_NOT_SRC,0xff);
1289 scr->cursordrawn=0;
1290 }
1291 scr->cursorrow=row;
1292 scr->cursorcol=col;
1293 if((scr->cursoron=on)!=0)
1294 {
1295 x=scr->cursorcol*wi+ri->ri_xorigin;
1296 y=scr->cursorrow*he+ri->ri_yorigin;
1297 mach64_bitblt(sc,x,y,x,y,wi,he,MIX_NOT_SRC,0xff);
1298 scr->cursordrawn=1;
1299 }
1300 } else {
1301 scr->cursoron=on;
1302 scr->cursorrow=row;
1303 scr->cursorcol=col;
1304 scr->cursordrawn=0;
1305 }
1306 }
1307
1308 #if 0
1309 int
1310 mach64_mapchar(void *cookie, int uni, u_int *index)
1311 {
1312
1313 return 0;
1314 }
1315 #endif
1316
1317 void
1318 mach64_putchar(void *cookie, int row, int col, u_int c, long attr)
1319 {
1320 struct rasops_info *ri=cookie;
1321 struct mach64screen *scr=ri->ri_hw;
1322 struct mach64_softc *sc=scr->sc;
1323 int offset=ri->ri_cols*row+col;
1324 scr->attrs[offset]=attr;
1325 scr->chars[offset]=c;
1326 if((scr->active) && (sc->sc_mode==WSDISPLAYIO_MODE_EMUL)) {
1327 int fg,bg,uc;
1328 uint8_t *data;
1329 int x,y,wi=ri->ri_font->fontwidth,he=ri->ri_font->fontheight;
1330
1331 /*scr->putchar(cookie,row,col,c,attr);*/
1332 if (!CHAR_IN_FONT(c, ri->ri_font))
1333 return;
1334 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xf];
1335 fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xf];
1336 x=ri->ri_xorigin+col*wi;
1337 y=ri->ri_yorigin+row*he;
1338 if(c==0x20) {
1339 mach64_rectfill(sc,x,y,wi,he,bg);
1340 } else {
1341 uc = c-ri->ri_font->firstchar;
1342 data = (uint8_t *)ri->ri_font->data + uc * ri->ri_fontscale;
1343
1344 mach64_setup_mono(sc,x,y,wi,he,fg,bg);
1345 mach64_feed_bytes(sc,ri->ri_fontscale,data);
1346 }
1347 }
1348 }
1349
1350
1351 void
1352 mach64_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1353 {
1354 struct rasops_info *ri=cookie;
1355 struct mach64screen *scr=ri->ri_hw;
1356 struct mach64_softc *sc=scr->sc;
1357 int32_t xs,xd,y,width,height;
1358
1359 int from=srccol+row*ri->ri_cols;
1360 int to=dstcol+row*ri->ri_cols;
1361 memmove(&scr->attrs[to],&scr->attrs[from],ncols*sizeof(long));
1362 memmove(&scr->chars[to],&scr->chars[from],ncols*sizeof(u_int));
1363
1364 if((scr->active) && (sc->sc_mode==WSDISPLAYIO_MODE_EMUL)) {
1365 xs=ri->ri_xorigin+ri->ri_font->fontwidth*srccol;
1366 xd=ri->ri_xorigin+ri->ri_font->fontwidth*dstcol;
1367 y=ri->ri_yorigin+ri->ri_font->fontheight*row;
1368 width=ri->ri_font->fontwidth*ncols;
1369 height=ri->ri_font->fontheight;
1370 mach64_bitblt(sc,xs,y,xd,y,width,height,MIX_SRC,0xff);
1371 }
1372 }
1373
1374 void
1375 mach64_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1376 {
1377 struct rasops_info *ri=cookie;
1378 struct mach64screen *scr=ri->ri_hw;
1379 struct mach64_softc *sc=scr->sc;
1380 int32_t x,y,width,height,fg,bg,ul;;
1381
1382 int start=startcol+row*ri->ri_cols;
1383 int end=start+ncols, i;
1384 for(i=start;i<end;i++) {
1385 scr->attrs[i]=fillattr;
1386 scr->chars[i]=0x20;
1387 }
1388 if((scr->active) && (sc->sc_mode==WSDISPLAYIO_MODE_EMUL)) {
1389 x=ri->ri_xorigin+ri->ri_font->fontwidth*startcol;
1390 y=ri->ri_yorigin+ri->ri_font->fontheight*row;
1391 width=ri->ri_font->fontwidth*ncols;
1392 height=ri->ri_font->fontheight;
1393 rasops_unpack_attr(fillattr,&fg,&bg,&ul);
1394
1395 mach64_rectfill(sc,x,y,width,height,bg);
1396 }
1397 }
1398
1399 void
1400 mach64_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1401 {
1402 struct rasops_info *ri=cookie;
1403 struct mach64screen *scr=ri->ri_hw;
1404 struct mach64_softc *sc=scr->sc;
1405 int32_t x,ys,yd,width,height;
1406
1407 int from=ri->ri_cols*srcrow, to=ri->ri_cols*dstrow, len=ri->ri_cols*nrows;
1408 memmove(&scr->attrs[to],&scr->attrs[from],len*sizeof(long));
1409 memmove(&scr->chars[to],&scr->chars[from],len*sizeof(u_int));
1410
1411 if((scr->active) && (sc->sc_mode==WSDISPLAYIO_MODE_EMUL)) {
1412 x=ri->ri_xorigin;
1413 ys=ri->ri_yorigin+ri->ri_font->fontheight*srcrow;
1414 yd=ri->ri_yorigin+ri->ri_font->fontheight*dstrow;
1415 width=ri->ri_emuwidth;
1416 height=ri->ri_font->fontheight*nrows;
1417 mach64_bitblt(sc,x,ys,x,yd,width,height,MIX_SRC,0xff);
1418 }
1419 }
1420
1421 void
1422 mach64_eraserows(void *cookie, int row, int nrows, long fillattr)
1423 {
1424 struct rasops_info *ri=cookie;
1425 struct mach64screen *scr=ri->ri_hw;
1426 struct mach64_softc *sc=scr->sc;
1427 int32_t x,y,width,height,fg,bg,ul;
1428
1429 int start=ri->ri_cols*row, end=ri->ri_cols*(row+nrows),i;
1430 for(i=start;i<end;i++) {
1431 scr->attrs[i]=fillattr;
1432 scr->chars[i]=0x20;
1433 }
1434
1435 if((scr->active) && (sc->sc_mode==WSDISPLAYIO_MODE_EMUL)) {
1436 x=ri->ri_xorigin;
1437 y=ri->ri_yorigin+ri->ri_font->fontheight*row;
1438 width=ri->ri_emuwidth;
1439 height=ri->ri_font->fontheight*nrows;
1440 rasops_unpack_attr(fillattr,&fg,&bg,&ul);
1441
1442 mach64_rectfill(sc,x,y,width,height,bg);
1443 }
1444 }
1445
1446 void
1447 mach64_bitblt(struct mach64_softc *sc, int xs, int ys, int xd, int yd, int width, int height, int rop, int mask)
1448 {
1449 uint32_t dest_ctl=0;
1450 wait_for_idle(sc);
1451 regw(sc,DP_WRITE_MASK,mask); /* XXX only good for 8 bit */
1452 regw(sc,DP_PIX_WIDTH,DST_8BPP|SRC_8BPP|HOST_8BPP);
1453 regw(sc,DP_SRC,FRGD_SRC_BLIT);
1454 regw(sc,DP_MIX,(rop&0xffff)<<16);
1455 regw(sc,CLR_CMP_CNTL,0); /* no transparency */
1456 if(yd<ys) {
1457 dest_ctl=DST_Y_TOP_TO_BOTTOM;
1458 } else {
1459 ys+=height-1;
1460 yd+=height-1;
1461 dest_ctl=DST_Y_BOTTOM_TO_TOP;
1462 }
1463 if(xd<xs) {
1464 dest_ctl|=DST_X_LEFT_TO_RIGHT;
1465 regw(sc,SRC_CNTL,SRC_LINE_X_LEFT_TO_RIGHT);
1466 } else {
1467 dest_ctl|=DST_X_RIGHT_TO_LEFT;
1468 xs+=width-1;
1469 xd+=width-1;
1470 regw(sc,SRC_CNTL,SRC_LINE_X_RIGHT_TO_LEFT);
1471 }
1472 regw(sc,DST_CNTL,dest_ctl);
1473
1474 regw(sc,SRC_Y_X,(xs<<16)|ys);
1475 regw(sc,SRC_WIDTH1,width);
1476 regw(sc,DST_Y_X,(xd<<16)|yd);
1477 regw(sc,DST_HEIGHT_WIDTH,(width<<16)|height);
1478 }
1479
1480 void
1481 mach64_setup_mono(struct mach64_softc *sc, int xd, int yd, int width, int height, uint32_t fg,
1482 uint32_t bg)
1483 {
1484 wait_for_idle(sc);
1485 regw(sc,DP_WRITE_MASK,0xff); /* XXX only good for 8 bit */
1486 regw(sc,DP_PIX_WIDTH,DST_8BPP|SRC_1BPP|HOST_1BPP);
1487 regw(sc,DP_SRC,MONO_SRC_HOST|BKGD_SRC_BKGD_CLR|FRGD_SRC_FRGD_CLR);
1488 regw(sc,DP_MIX,((MIX_SRC&0xffff)<<16)|MIX_SRC);
1489 regw(sc,CLR_CMP_CNTL,0); /* no transparency */
1490 regw(sc,SRC_CNTL,SRC_LINE_X_LEFT_TO_RIGHT);
1491 regw(sc,DST_CNTL,DST_Y_TOP_TO_BOTTOM|DST_X_LEFT_TO_RIGHT);
1492 regw(sc,HOST_CNTL,HOST_BYTE_ALIGN);
1493 regw(sc,DP_BKGD_CLR,bg);
1494 regw(sc,DP_FRGD_CLR,fg);
1495 regw(sc,SRC_Y_X,0);
1496 regw(sc,SRC_WIDTH1,width);
1497 regw(sc,DST_Y_X,(xd<<16)|yd);
1498 regw(sc,DST_HEIGHT_WIDTH,(width<<16)|height);
1499 /* now feed the data into the chip */
1500 }
1501
1502 void
1503 mach64_feed_bytes(struct mach64_softc *sc, int count, uint8_t *data)
1504 {
1505 int i;
1506 uint32_t latch=0, bork;
1507 int shift=0;
1508 int reg=0;
1509 for(i=0;i<count;i++) {
1510 bork=data[i];
1511 latch|=(bork<<shift);
1512 if(shift==24) {
1513 regw(sc,HOST_DATA0+reg,latch);
1514 latch=0;
1515 shift=0;
1516 reg=(reg+4)&0x3c;
1517 } else
1518 shift+=8;
1519 }
1520 if(shift!=0) /* 24 */
1521 regw(sc,HOST_DATA0+reg,latch);
1522 }
1523
1524
1525 void
1526 mach64_rectfill(struct mach64_softc *sc, int x, int y, int width, int height, int colour)
1527 {
1528 wait_for_idle(sc);
1529 regw(sc,DP_WRITE_MASK,0xff);
1530 regw(sc,DP_FRGD_CLR,colour);
1531 regw(sc,DP_PIX_WIDTH,DST_8BPP|SRC_8BPP|HOST_8BPP);
1532 regw(sc,DP_SRC,FRGD_SRC_FRGD_CLR);
1533 regw(sc,DP_MIX,(MIX_SRC)<<16);
1534 regw(sc,CLR_CMP_CNTL,0); /* no transparency */
1535 regw(sc,SRC_CNTL,SRC_LINE_X_LEFT_TO_RIGHT);
1536 regw(sc,DST_CNTL,DST_X_LEFT_TO_RIGHT|DST_Y_TOP_TO_BOTTOM);
1537
1538 regw(sc,SRC_Y_X,(x<<16)|y);
1539 regw(sc,SRC_WIDTH1,width);
1540 regw(sc,DST_Y_X,(x<<16)|y);
1541 regw(sc,DST_HEIGHT_WIDTH,(width<<16)|height);
1542 }
1543
1544 void
1545 mach64_clearscreen(struct mach64_softc *sc)
1546 {
1547 mach64_rectfill(sc,0,0,sc->virt_x,sc->virt_y,sc->sc_bg);
1548 }
1549
1550
1551 void
1552 mach64_showpal(struct mach64_softc *sc)
1553 {
1554 int i,x=0;
1555 for (i=0;i<16;i++) {
1556 mach64_rectfill(sc,x,0,64,64,i);
1557 x+=64;
1558 }
1559 }
1560
1561 int
1562 mach64_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1563 {
1564 if((fg==0)&&(bg==0))
1565 {
1566 fg=WS_DEFAULT_FG;
1567 bg=WS_DEFAULT_BG;
1568 }
1569 *attrp=(fg&0xf)<<24|(bg&0xf)<<16|(flags&0xff)<<8;
1570 return 0;
1571 }
1572
1573 /*
1574 * wsdisplay_accessops
1575 */
1576
1577 int
1578 mach64_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
1579 {
1580 /* we'll probably need to add more stuff here */
1581 struct mach64_softc *sc = v;
1582 struct wsdisplay_fbinfo *wdf;
1583 struct mach64screen *ms=sc->active;
1584 switch (cmd) {
1585 case WSDISPLAYIO_GTYPE:
1586 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; /* XXX ? */
1587 return 0;
1588
1589 case WSDISPLAYIO_GINFO:
1590 wdf = (void *)data;
1591 wdf->height = ms->ri.ri_height;
1592 wdf->width = ms->ri.ri_width;
1593 wdf->depth = ms->ri.ri_depth;
1594 wdf->cmsize = 256;
1595 return 0;
1596 case WSDISPLAYIO_GETCMAP:
1597 return mach64_getcmap(sc, (struct wsdisplay_cmap *)data);
1598
1599 case WSDISPLAYIO_PUTCMAP:
1600 return mach64_putcmap(sc, (struct wsdisplay_cmap *)data);
1601 /* PCI config read/write passthrough. */
1602 case PCI_IOC_CFGREAD:
1603 case PCI_IOC_CFGWRITE:
1604 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag,
1605 cmd, data, flag, p));
1606 case WSDISPLAYIO_SMODE:
1607 {
1608 int new_mode=*(int*)data;
1609 if(new_mode!=sc->sc_mode)
1610 {
1611 sc->sc_mode=new_mode;
1612 if(new_mode==WSDISPLAYIO_MODE_EMUL)
1613 {
1614 /* we'll probably want to reset the console into a known state here
1615 just in case the Xserver crashed or didn't properly clean up after
1616 itself for whetever reason */
1617 mach64_restore_screen(ms, ms->type, ms->chars);
1618 mach64_cursor(ms, ms->cursoron, ms->cursorrow, ms->cursorcol);
1619 }
1620 }
1621 }
1622 return 0;
1623 case WSDISPLAYIO_GETWSCHAR:
1624 return mach64_getwschar(sc,(struct wsdisplay_char *)data);
1625 case WSDISPLAYIO_PUTWSCHAR:
1626 return mach64_putwschar(sc,(struct wsdisplay_char *)data);
1627 }
1628 return EPASSTHROUGH;
1629 }
1630
1631 paddr_t
1632 mach64_mmap(void *v, off_t offset, int prot)
1633 {
1634 struct mach64_softc *sc = v;
1635 paddr_t pa;
1636 /* 'regular' framebuffer mmap()ing */
1637 if(offset<sc->sc_apersize) {
1638 pa = bus_space_mmap(sc->sc_memt,sc->sc_aperbase+offset,0,prot,BUS_SPACE_MAP_LINEAR);
1639 return pa;
1640 }
1641 #if 0
1642 /* allow XFree86 to mmap() PCI space as if the BARs contain physical addresses */
1643 if((offset>0x80000000) && (offset<=0xffffffff)) {
1644 pa = bus_space_mmap(sc->sc_memt,offset,0,prot,BUS_SPACE_MAP_LINEAR);
1645 return pa;
1646 }
1647 #endif
1648
1649 if((offset>=sc->sc_aperphys) && (offset<(sc->sc_aperphys+sc->sc_apersize))) {
1650 pa = bus_space_mmap(sc->sc_memt,offset,0,prot,BUS_SPACE_MAP_LINEAR);
1651 return pa;
1652 }
1653
1654 if((offset>=sc->sc_regphys) && (offset<(sc->sc_regphys+sc->sc_regsize))) {
1655 pa = bus_space_mmap(sc->sc_memt,offset,0,prot,BUS_SPACE_MAP_LINEAR);
1656 return pa;
1657 }
1658
1659 return -1;
1660 }
1661
1662 int
1663 mach64_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
1664 int *curxp, int *curyp, long *defattrp)
1665 {
1666 struct mach64_softc *sc = v;
1667 struct mach64screen *scr;
1668 struct rasops_info *ri;
1669 int cnt=type->nrows * type->ncols;
1670
1671 scr = malloc(sizeof(struct mach64screen), M_DEVBUF, M_WAITOK|M_ZERO);
1672 mach64_init_screen(sc, scr, type, 0, defattrp, sc->active == NULL);
1673 ri=&scr->ri;
1674
1675 ri->ri_hw=scr;
1676 /*ri->ri_bits=(void *)sc->sc_aperbase;*/
1677 rasops_init(ri, mach64_console_screen.ri.ri_height / 8,
1678 mach64_console_screen.ri.ri_width / 8);
1679
1680 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
1681 ri->ri_width / ri->ri_font->fontwidth);
1682 set_address(ri,sc->sc_aperbase);
1683 mach64_allocattr(ri,WS_DEFAULT_FG,WS_DEFAULT_BG,0,defattrp);
1684
1685 scr->ri.ri_ops.copyrows=mach64_copyrows;
1686 scr->ri.ri_ops.eraserows=mach64_eraserows;
1687 scr->ri.ri_ops.copycols=mach64_copycols;
1688 scr->ri.ri_ops.erasecols=mach64_erasecols;
1689 scr->ri.ri_ops.putchar=mach64_putchar;
1690 scr->ri.ri_ops.cursor=mach64_cursor;
1691
1692 scr->attrs=(long *)malloc((cnt)*(sizeof(long)+sizeof(u_int)),
1693 M_DEVBUF, M_WAITOK);
1694 scr->chars=(u_int *)&scr->attrs[cnt];
1695 mach64_eraserows(ri, 0, ri->ri_rows, *defattrp);
1696
1697 if (sc->active == NULL) {
1698 scr->active = 1;
1699 sc->active = scr;
1700 sc->currenttype = type;
1701 }
1702
1703 *cookiep = scr;
1704 *curxp = scr->cursorcol;
1705 *curyp = scr->cursorrow;
1706
1707 return 0;
1708 }
1709
1710 void
1711 mach64_free_screen(void *v, void *cookie)
1712 {
1713 struct mach64_softc *sc = v;
1714 struct mach64screen *scr = cookie;
1715
1716 LIST_REMOVE(scr, next);
1717 if (scr != &mach64_console_screen) {
1718 free(scr->attrs,M_DEVBUF);
1719 free(scr, M_DEVBUF);
1720 } else
1721 panic("mach64_free_screen: console");
1722
1723 if (sc->active == scr)
1724 sc->active = 0;
1725 }
1726
1727 int
1728 mach64_show_screen(void *v, void *cookie, int waitok,
1729 void (*cb)(void *, int, int), void *cbarg)
1730 {
1731 struct mach64_softc *sc = v;
1732 struct mach64screen *scr, *oldscr;
1733
1734 scr = cookie;
1735 oldscr = sc->active;
1736 if (scr == oldscr)
1737 return 0;
1738
1739 sc->wanted = scr;
1740 sc->switchcb = cb;
1741 sc->switchcbarg = cbarg;
1742 if (cb) {
1743 callout_reset(&sc->switch_callout, 0,
1744 (void(*)(void *))mach64_switch_screen, sc);
1745 return EAGAIN;
1746 }
1747
1748 mach64_switch_screen(sc);
1749
1750 return 0;
1751 }
1752
1753 void
1754 mach64_switch_screen(struct mach64_softc *sc)
1755 {
1756 struct mach64screen *scr, *oldscr;
1757 const struct wsscreen_descr *type;
1758
1759 scr = sc->wanted;
1760 if (!scr) {
1761 printf("mach64_switch_screen: disappeared\n");
1762 (*sc->switchcb)(sc->switchcbarg, EIO, 0);
1763 return;
1764 }
1765 type = scr->type;
1766 oldscr = sc->active; /* can be NULL! */
1767 #ifdef DIAGNOSTIC
1768 if (oldscr) {
1769 if (!oldscr->active)
1770 panic("mach64_switch_screen: not active");
1771 if (oldscr->type != sc->currenttype)
1772 panic("mach64_switch_screen: bad type");
1773 }
1774 #endif
1775 if (scr == oldscr)
1776 return;
1777
1778 #ifdef DIAGNOSTIC
1779 /* XXX: this one bites us at reboot */
1780 /* if (scr->active)
1781 panic("mach64_switch_screen: active");*/
1782 #endif
1783
1784 if (oldscr)
1785 oldscr->active = 0;
1786
1787 if (sc->currenttype != type) {
1788 mach64_set_screentype(sc, type);
1789 sc->currenttype = type;
1790 }
1791
1792 scr->dispoffset = scr->mindispoffset;
1793
1794 if (!oldscr || (scr->dispoffset != oldscr->dispoffset)) {
1795
1796 }
1797
1798 /* Clear the entire screen. */
1799
1800 scr->active = 1;
1801 mach64_restore_screen(scr, type, scr->chars);
1802
1803 sc->active = scr;
1804
1805 scr->ri.ri_ops.cursor(scr, scr->cursoron, scr->cursorrow, scr->cursorcol);
1806
1807 sc->wanted = 0;
1808 if (sc->switchcb)
1809 (*sc->switchcb)(sc->switchcbarg, 0, 0);
1810 }
1811
1812 void
1813 mach64_restore_screen(struct mach64screen *scr,
1814 const struct wsscreen_descr *type, u_int *mem)
1815 {
1816 int i, j, offset=0;
1817 /*struct rasops_info *ri=&scr->ri;*/
1818 u_int *charptr=scr->chars;
1819 long *attrptr=scr->attrs;
1820 mach64_clearscreen(scr->sc);
1821 for (i = 0; i < scr->ri.ri_rows; i++) {
1822 for (j = 0; j < scr->ri.ri_cols; j++) {
1823 mach64_putchar(scr, i, j, charptr[offset], attrptr[offset]);
1824 offset++;
1825 }
1826 }
1827 scr->cursordrawn=0;
1828 }
1829
1830 /* set ri->ri_bits according to fb, ri_xorigin and ri_yorigin */
1831 void
1832 set_address(struct rasops_info *ri, bus_addr_t fb)
1833 {
1834 /*printf(" %d %d %d\n",ri->ri_xorigin,ri->ri_yorigin,ri->ri_stride);*/
1835 ri->ri_bits=(void *)((u_long)fb+ri->ri_stride*ri->ri_yorigin+ri->ri_xorigin);
1836 }
1837
1838 int
1839 mach64_getwschar(void *cookie, struct wsdisplay_char *wsc)
1840 {
1841 struct mach64_softc *sc=cookie;
1842 struct mach64screen *scr=sc->active;
1843 int fg,bg,fl;
1844 if(scr){
1845 if((wsc->col>=0) && (wsc->col<scr->ri.ri_cols) && (wsc->row>=0) &&
1846 (wsc->row<scr->ri.ri_rows)) {
1847 int pos=scr->ri.ri_cols*wsc->row+wsc->col;
1848 wsc->letter=scr->chars[pos];
1849 rasops_unpack_attr(scr->attrs[pos],&fg, &bg, &fl);
1850 wsc->foreground=fg;
1851 wsc->background=bg;
1852 wsc->flags=fl;
1853 return 0;
1854 }
1855 }
1856 return EINVAL;
1857 }
1858
1859 int
1860 mach64_putwschar(void *cookie, struct wsdisplay_char *wsc)
1861 {
1862 struct mach64_softc *sc=cookie;
1863 struct mach64screen *scr=sc->active;
1864 long attr;
1865 if(scr){
1866 if((wsc->col>=0) && (wsc->col<scr->ri.ri_cols) && (wsc->row>=0) &&
1867 (wsc->row<scr->ri.ri_rows)) {
1868 mach64_allocattr(&scr->ri,wsc->foreground, wsc->background, wsc->flags,&attr);
1869 mach64_putchar(&scr->ri,wsc->row, wsc->col, wsc->letter,attr);
1870 return 0;
1871 }
1872 }
1873 return EINVAL;
1874 }
1875
1876 #if 0
1877 int
1878 mach64_load_font(void *v, void *cookie, struct wsdisplay_font *data)
1879 {
1880
1881 return 0;
1882 }
1883 #endif
1884
1885