radeonfb.c revision 1.6 1 /* $NetBSD: radeonfb.c,v 1.6 2006/10/07 21:36:12 gdamore Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Itronix Inc.
5 * All rights reserved.
6 *
7 * Written by Garrett D'Amore for Itronix Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of Itronix Inc. may not be used to endorse
18 * or promote products derived from this software without specific
19 * prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * ATI Technologies Inc. ("ATI") has not assisted in the creation of, and
36 * does not endorse, this software. ATI will not be responsible or liable
37 * for any actual or alleged damage or loss caused by or in connection with
38 * the use of or reliance on this software.
39 */
40
41 /*
42 * Portions of this code were taken from XFree86's Radeon driver, which bears
43 * this notice:
44 *
45 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
46 * VA Linux Systems Inc., Fremont, California.
47 *
48 * All Rights Reserved.
49 *
50 * Permission is hereby granted, free of charge, to any person obtaining
51 * a copy of this software and associated documentation files (the
52 * "Software"), to deal in the Software without restriction, including
53 * without limitation on the rights to use, copy, modify, merge,
54 * publish, distribute, sublicense, and/or sell copies of the Software,
55 * and to permit persons to whom the Software is furnished to do so,
56 * subject to the following conditions:
57 *
58 * The above copyright notice and this permission notice (including the
59 * next paragraph) shall be included in all copies or substantial
60 * portions of the Software.
61 *
62 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
63 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
64 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
65 * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
66 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
67 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
68 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
69 * DEALINGS IN THE SOFTWARE.
70 */
71
72 #include <sys/cdefs.h>
73 __KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.6 2006/10/07 21:36:12 gdamore Exp $");
74
75 #define RADEONFB_DEFAULT_DEPTH 32
76
77 #include <sys/param.h>
78 #include <sys/systm.h>
79 #include <sys/device.h>
80 #include <sys/malloc.h>
81 #include <machine/bus.h>
82 #include <sys/kernel.h>
83 #include <sys/lwp.h>
84 #include <sys/kauth.h>
85
86 #include <dev/wscons/wsdisplayvar.h>
87 #include <dev/wscons/wsconsio.h>
88 #include <dev/wsfont/wsfont.h>
89 #include <dev/rasops/rasops.h>
90 #include <dev/videomode/videomode.h>
91 #include <dev/videomode/edidvar.h>
92 #include <dev/wscons/wsdisplay_vconsvar.h>
93
94 #include <dev/pci/pcidevs.h>
95 #include <dev/pci/pcireg.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/radeonfbreg.h>
98 #include <dev/pci/radeonfbvar.h>
99
100 static int radeonfb_match(struct device *, struct cfdata *, void *);
101 static void radeonfb_attach(struct device *, struct device *, void *);
102 static int radeonfb_ioctl(void *, void *, unsigned long, caddr_t, int,
103 struct lwp *);
104 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
105 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
106 static void radeonfb_loadbios(struct radeonfb_softc *,
107 struct pci_attach_args *);
108
109 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
110 uintmax_t);
111 static int radeonfb_getclocks(struct radeonfb_softc *);
112 static int radeonfb_gettmds(struct radeonfb_softc *);
113 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
114 uint32_t *, uint32_t *);
115 static int radeonfb_getconnectors(struct radeonfb_softc *);
116 static const struct videomode *radeonfb_modelookup(const char *);
117 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
118 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
119 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
120 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
121 static void radeonfb_modeswitch(struct radeonfb_display *);
122 static void radeonfb_setcrtc(struct radeonfb_display *, int);
123 static void radeonfb_init_misc(struct radeonfb_softc *);
124 static void radeonfb_set_fbloc(struct radeonfb_softc *);
125 static void radeonfb_init_palette(struct radeonfb_softc *, int);
126 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
127
128 static int radeonfb_isblank(struct radeonfb_display *);
129 static void radeonfb_blank(struct radeonfb_display *, int);
130 static int radeonfb_set_cursor(struct radeonfb_display *,
131 struct wsdisplay_cursor *);
132 static int radeonfb_set_curpos(struct radeonfb_display *,
133 struct wsdisplay_curpos *);
134
135 /* acceleration support */
136 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
137 int width, int height, uint32_t color);
138 static void radeonfb_bitblt(struct radeonfb_display *, int srcx, int srcy,
139 int dstx, int dsty, int width, int height, int rop, uint32_t mask);
140 static void radeonfb_feed_bytes(struct radeonfb_display *, int, uint8_t *);
141 static void radeonfb_setup_mono(struct radeonfb_display *, int, int, int,
142 int, uint32_t, uint32_t);
143
144 /* hw cursor support */
145 static void radeonfb_cursor_cmap(struct radeonfb_display *);
146 static void radeonfb_cursor_shape(struct radeonfb_display *);
147 static void radeonfb_cursor_position(struct radeonfb_display *);
148 static void radeonfb_cursor_visible(struct radeonfb_display *);
149 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
150
151 static void radeonfb_wait_fifo(struct radeonfb_softc *, int);
152 static void radeonfb_engine_idle(struct radeonfb_softc *);
153 static void radeonfb_engine_flush(struct radeonfb_softc *);
154 static void radeonfb_engine_reset(struct radeonfb_softc *);
155 static void radeonfb_engine_init(struct radeonfb_display *);
156 static inline void radeonfb_unclip(struct radeonfb_softc *);
157
158 static void radeonfb_eraserows(void *, int, int, long);
159 static void radeonfb_erasecols(void *, int, int, int, long);
160 static void radeonfb_copyrows(void *, int, int, int);
161 static void radeonfb_copycols(void *, int, int, int, int);
162 static void radeonfb_cursor(void *, int, int, int);
163 static void radeonfb_putchar(void *, int, int, unsigned, long);
164 static int radeonfb_allocattr(void *, int, int, int, long *);
165
166 static struct videomode *radeonfb_best_refresh(struct videomode *,
167 struct videomode *);
168 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
169 uint16_t *, int);
170 static const struct videomode *radeonfb_port_mode(struct radeonfb_port *,
171 int, int);
172
173
174 #define RADEON_DEBUG
175 #ifdef RADEON_DEBUG
176 int radeon_debug = 1;
177 #define DPRINTF(x) \
178 if (radeon_debug) printf x
179 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
180 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
181 #else
182 #define DPRINTF(x)
183 #define PRINTREG(r)
184 #define PRINTPLL(r)
185 #endif
186
187 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
188
189 #ifndef RADEON_DEFAULT_MODE
190 /* any reasonably modern display should handle this */
191 #define RADEON_DEFAULT_MODE "1024x768x60"
192 //#define RADEON_DEFAULT_MODE "1280x1024x60"
193 #endif
194
195 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
196
197 static struct {
198 int size; /* minimum memory size (MB) */
199 int maxx; /* maximum x dimension */
200 int maxy; /* maximum y dimension */
201 int maxbpp; /* maximum bpp */
202 int maxdisp; /* maximum logical display count */
203 } radeonfb_limits[] = {
204 { 32, 2048, 1536, 32, 2 },
205 { 16, 1600, 1200, 32, 2 },
206 { 8, 1600, 1200, 32, 1 },
207 { 0, 0, 0, 0 },
208 };
209
210 static struct wsscreen_descr radeonfb_stdscreen = {
211 "fb", /* name */
212 0, 0, /* ncols, nrows */
213 NULL, /* textops */
214 8, 16, /* fontwidth, fontheight */
215 WSSCREEN_WSCOLORS,
216 };
217
218 struct wsdisplay_accessops radeonfb_accessops = {
219 radeonfb_ioctl,
220 radeonfb_mmap,
221 NULL, /* vcons_alloc_screen */
222 NULL, /* vcons_free_screen */
223 NULL, /* vcons_show_screen */
224 NULL /* load_font */
225 };
226
227 static struct {
228 uint16_t devid;
229 uint16_t family;
230 uint16_t flags;
231 } radeonfb_devices[] =
232 {
233 /* R100 family */
234 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
235 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
236 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
237 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
238
239 /* RV100 family */
240 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
241 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
242 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
243 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
244
245 /* RS100 family */
246 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
247 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
248
249 /* RS200/RS250 family */
250 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
251 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
252 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
253 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
254
255 /* R200 family */
256 /* add more R200 products? , 5148 */
257 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
258 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
259 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
260 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
261 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
262
263 /* RV200 family */
264 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
265 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
266 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
267 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
268
269 /* RV250 family */
270 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
271 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
272 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
273 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
274 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
275
276 /* RS300 family */
277 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
278 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
279 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
280 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
281
282 /* RV280 family */
283 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
284 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
285 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
286 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
287 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
288 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
289 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
290
291 /* R300 family */
292 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
293 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
294 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
295 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
296 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
297 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
298 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
299 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
300
301 /* RV350/RV360 family */
302 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
303 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
304 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
305 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
306 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
307 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
308 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
309 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
310 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
311 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
312 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
313 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
314
315 /* R350/R360 family */
316 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
317 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
318 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
319 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
320 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
321 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
322 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
323 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
324
325 /* RV380/RV370 family */
326 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
327 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
328 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
329 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
330 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
331 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
332 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
333 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
334 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
335
336 /* R420/R423 family */
337 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
338 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
339 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
340 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
341 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
342 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
343 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
344 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
345 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
346 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
347 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
348 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
349 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
350 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
351 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
352 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
353
354 { 0, 0, 0 }
355 };
356
357 static struct {
358 int divider;
359 int mask;
360 } radeonfb_dividers[] = {
361 { 1, 0 },
362 { 2, 1 },
363 { 3, 4 },
364 { 4, 2 },
365 { 6, 6 },
366 { 8, 3 },
367 { 12, 7 },
368 { 0, 0 }
369 };
370
371 /*
372 * This table taken from X11.
373 */
374 static const struct {
375 int family;
376 struct radeon_tmds_pll plls[4];
377 } radeonfb_tmds_pll[] = {
378 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
379 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
380 { RADEON_RS100, {{0, 0}}},
381 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
382 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
383 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
384 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
385 { RADEON_RS300, {{0, 0}}},
386 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
387 { RADEON_R300, {{-1, 0xb01cb}}},
388 { RADEON_R350, {{-1, 0xb01cb}}},
389 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
390 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
391 { RADEON_R420, {{-1, 0xb01cb}}},
392 };
393
394
395 CFATTACH_DECL(radeonfb, sizeof (struct radeonfb_softc),
396 radeonfb_match, radeonfb_attach, NULL, NULL);
397
398 static int
399 radeonfb_match(struct device *parent, struct cfdata *match, void *aux)
400 {
401 struct pci_attach_args *pa = aux;
402 int i;
403
404 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
405 return 0;
406
407 for (i = 0; radeonfb_devices[i].devid; i++) {
408 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
409 return 100; /* high to defeat VGA/VESA */
410 }
411
412 return 0;
413 }
414
415 static void
416 radeonfb_attach(struct device *parent, struct device *dev, void *aux)
417 {
418 struct radeonfb_softc *sc = (struct radeonfb_softc *)dev;
419 struct pci_attach_args *pa = aux;
420 bus_size_t bsz;
421 pcireg_t screg;
422 int i, j;
423 uint32_t v;
424
425 sc->sc_id = pa->pa_id;
426 for (i = 0; radeonfb_devices[i].devid; i++) {
427 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
428 break;
429 }
430
431 pci_devinfo(sc->sc_id, pa->pa_class, 0, sc->sc_devinfo,
432 sizeof(sc->sc_devinfo));
433
434 aprint_naive("\n");
435 aprint_normal(": %s\n", sc->sc_devinfo);
436
437 KASSERT(radeonfb_devices[i].devid != 0);
438 sc->sc_pt = pa->pa_tag;
439 sc->sc_pc = pa->pa_pc;
440 sc->sc_family = radeonfb_devices[i].family;
441 sc->sc_flags = radeonfb_devices[i].flags;
442
443 /* enable memory and IO access */
444 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
445 screg |= PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
446 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
447
448 /*
449 * Some flags are general to entire chip families, and rather
450 * than clutter up the table with them, we go ahead and set
451 * them here.
452 */
453 switch (sc->sc_family) {
454 case RADEON_RS100:
455 case RADEON_RS200:
456 sc->sc_flags |= RFB_IGP | RFB_RV100;
457 break;
458
459 case RADEON_RV100:
460 case RADEON_RV200:
461 case RADEON_RV250:
462 case RADEON_RV280:
463 sc->sc_flags |= RFB_RV100;
464 break;
465
466 case RADEON_RS300:
467 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
468 break;
469
470 case RADEON_R300:
471 case RADEON_RV350:
472 case RADEON_R350:
473 case RADEON_RV380:
474 case RADEON_R420:
475 /* newer chips */
476 sc->sc_flags |= RFB_R300;
477 break;
478
479 case RADEON_R100:
480 sc->sc_flags |= RFB_NCRTC2;
481 break;
482 }
483
484 /*
485 * XXX: to support true multihead, this must change.
486 */
487 sc->sc_ndisplays = 1;
488
489 /* XXX: */
490 if (!HAS_CRTC2(sc)) {
491 sc->sc_ndisplays = 1;
492 }
493
494 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
495 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
496 &sc->sc_regsz) != 0) {
497 aprint_error("%s: unable to map registers!\n", XNAME(sc));
498 goto error;
499 }
500
501 if (pci_mapreg_map(pa, RADEON_MAPREG_IO, PCI_MAPREG_TYPE_IO, 0,
502 &sc->sc_iot, &sc->sc_ioh, &sc->sc_ioaddr,
503 &sc->sc_iosz) != 0) {
504 aprint_error("%s: unable to map IO registers!\n", XNAME(sc));
505 }
506
507 /* scratch register test... */
508 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
509 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
510 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
511 goto error;
512 }
513
514 PRINTREG(RADEON_BIOS_4_SCRATCH);
515 PRINTREG(RADEON_FP_GEN_CNTL);
516 PRINTREG(RADEON_FP2_GEN_CNTL);
517 PRINTREG(RADEON_TMDS_CNTL);
518 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
519 PRINTREG(RADEON_TMDS_PLL_CNTL);
520 PRINTREG(RADEON_LVDS_GEN_CNTL);
521 PRINTREG(RADEON_FP_HORZ_STRETCH);
522 PRINTREG(RADEON_FP_VERT_STRETCH);
523
524 /* XXX: RV100 specific */
525 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
526
527 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
528 RADEON_TMDS_TRANSMITTER_PLLEN,
529 RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
530
531 radeonfb_i2c_init(sc);
532
533 radeonfb_loadbios(sc, pa);
534
535 #ifdef RADEON_BIOS_INIT
536 if (radeonfb_bios_init(sc)) {
537 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
538 goto error;
539 }
540 #endif
541
542 if (radeonfb_getclocks(sc)) {
543 aprint_error("%s: Unable to get reference clocks from BIOS\n",
544 XNAME(sc));
545 goto error;
546 }
547
548 if (radeonfb_gettmds(sc)) {
549 aprint_error("%s: Unable to identify TMDS PLL settings\n",
550 XNAME(sc));
551 goto error;
552 }
553
554 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
555 "minpll = %d, maxpll = %d\n", XNAME(sc),
556 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
557 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
558
559 radeonfb_getconnectors(sc);
560
561 radeonfb_set_fbloc(sc);
562
563 for (i = 0; radeonfb_limits[i].size; i++) {
564 if (sc->sc_memsz >= radeonfb_limits[i].size) {
565 sc->sc_maxx = radeonfb_limits[i].maxx;
566 sc->sc_maxy = radeonfb_limits[i].maxy;
567 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
568 /* framebuffer offset, start at a 4K page */
569 sc->sc_fboffset = sc->sc_memsz /
570 radeonfb_limits[i].maxdisp;
571 /*
572 * we use the fbsize to figure out where we can store
573 * things like cursor data.
574 */
575 sc->sc_fbsize =
576 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
577 RADEON_STRIDEALIGN) * sc->sc_maxy,
578 4096);
579 break;
580 }
581 }
582
583
584 radeonfb_init_misc(sc);
585 radeonfb_init_palette(sc, 0);
586 if (HAS_CRTC2(sc))
587 radeonfb_init_palette(sc, 1);
588
589 /* program the DAC wirings */
590 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
591 switch (sc->sc_ports[i].rp_dac_type) {
592 case RADEON_DAC_PRIMARY:
593 PATCH32(sc, RADEON_DAC_CNTL2,
594 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
595 ~RADEON_DAC2_DAC_CLK_SEL);
596 break;
597 case RADEON_DAC_TVDAC:
598 /* we always use the TVDAC to drive a secondary analog
599 * CRT for now. if we ever support TV-out this will
600 * have to change.
601 */
602 SET32(sc, RADEON_DAC_CNTL2,
603 RADEON_DAC2_DAC2_CLK_SEL);
604 PATCH32(sc, RADEON_DISP_HW_DEBUG,
605 i ? 0 : RADEON_CRT2_DISP1_SEL,
606 ~RADEON_CRT2_DISP1_SEL);
607 break;
608 }
609 }
610 PRINTREG(RADEON_DAC_CNTL2);
611 PRINTREG(RADEON_DISP_HW_DEBUG);
612
613 /* other DAC programming */
614 v = GET32(sc, RADEON_DAC_CNTL);
615 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
616 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
617 PUT32(sc, RADEON_DAC_CNTL, v);
618 PRINTREG(RADEON_DAC_CNTL);
619
620 /* XXX: this may need more investigation */
621 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
622 PRINTREG(RADEON_TV_DAC_CNTL);
623
624 /* enable TMDS */
625 SET32(sc, RADEON_FP_GEN_CNTL,
626 RADEON_FP_TMDS_EN |
627 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
628 RADEON_FP_CRTC_DONT_SHADOW_HEND);
629 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
630 if (HAS_CRTC2(sc))
631 SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
632
633 /*
634 * we use bus_space_map instead of pci_mapreg, because we don't
635 * need the full aperature space. no point in wasting virtual
636 * address space we don't intend to use, right?
637 */
638 if ((sc->sc_memsz < (4096 * 1024)) ||
639 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
640 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
641 (bsz < sc->sc_memsz)) {
642 sc->sc_memsz = 0;
643 aprint_error("%s: Bad frame buffer configuration\n",
644 XNAME(sc));
645 goto error;
646 }
647
648 /* 64 MB should be enough -- more just wastes map entries */
649 if (sc->sc_memsz > (64 << 20))
650 sc->sc_memsz = (64 << 20);
651
652 sc->sc_memt = pa->pa_memt;
653 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
654 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
655 sc->sc_memsz = 0;
656 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
657 goto error;
658 }
659
660 aprint_normal("%s: %d MB aperture at 0x%08x, "
661 "%d KB registers at 0x%08x\n", XNAME(sc),
662 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
663 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
664
665 #if 0
666 /* setup default video mode from devprop (allows PROM override) */
667 sc->sc_defaultmode = radeonfb_default_mode;
668 ps = prop_dictionary_get(device_properties(&sc->sc_dev),
669 "videomode");
670 if (ps != NULL) {
671 sc->sc_modebuf = prop_string_cstring(ps);
672 if (sc->sc_modebuf)
673 sc->sc_defaultmode = sc->sc_modebuf;
674 }
675 #endif
676
677 /* initialize some basic display parameters */
678 for (i = 0; i < sc->sc_ndisplays; i++) {
679 struct radeonfb_display *dp = &sc->sc_displays[i];
680 struct rasops_info *ri;
681 long defattr;
682 struct wsemuldisplaydev_attach_args aa;
683
684 /*
685 * Figure out how many "displays" (desktops) we are going to
686 * support. If more than one, then each CRTC gets its own
687 * programming.
688 *
689 * XXX: this code needs to change to support mergedfb.
690 * XXX: would be nice to allow this to be overridden
691 */
692 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
693 DPRINTF(("dual crtcs!\n"));
694 dp->rd_ncrtcs = 2;
695 dp->rd_crtcs[0].rc_number = 0;
696 dp->rd_crtcs[1].rc_number = 1;
697 } else {
698 dp->rd_ncrtcs = 1;
699 dp->rd_crtcs[0].rc_number = i;
700 }
701
702 /* set up port pointer */
703 for (j = 0; j < dp->rd_ncrtcs; j++) {
704 dp->rd_crtcs[j].rc_port =
705 &sc->sc_ports[dp->rd_crtcs[j].rc_number];
706 }
707
708 dp->rd_softc = sc;
709 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
710 dp->rd_bg = WS_DEFAULT_BG;
711 #if 0
712 dp->rd_bpp = sc->sc_maxbpp; /* XXX: for now */
713 #else
714 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
715 #endif
716 /* for text mode, we pick a resolution that won't
717 * require panning */
718 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
719
720 aprint_normal("%s: display %d: "
721 "virtual resolution %dx%d at %d bpp\n",
722 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
723
724 /* now select the *video mode* that we will use */
725 for (j = 0; j < dp->rd_ncrtcs; j++) {
726 const struct videomode *vmp;
727 vmp = radeonfb_port_mode(dp->rd_crtcs[j].rc_port,
728 dp->rd_virtx, dp->rd_virty);
729 dp->rd_crtcs[j].rc_videomode = *vmp;
730 printf("%s: port %d: physical %dx%d %dHz\n",
731 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
732 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
733 vmp->htotal), vmp->vtotal));
734 }
735
736 /* N.B.: radeon wants 64-byte aligned stride */
737 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
738 //dp->rd_stride = sc->sc_maxx * sc->sc_maxbpp / 8;
739 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
740
741 dp->rd_offset = sc->sc_fboffset * i;
742 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
743 sc->sc_memh) + dp->rd_offset;
744 dp->rd_curoff = sc->sc_fbsize;
745 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
746
747 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
748
749 switch (dp->rd_bpp) {
750 case 8:
751 dp->rd_format = 2;
752 break;
753 case 32:
754 dp->rd_format = 6;
755 break;
756 default:
757 aprint_error("%s: bad depth %d\n", XNAME(sc),
758 dp->rd_bpp);
759 goto error;
760 }
761
762 printf("init engine\n");
763 /* XXX: this seems suspicious - per display engine
764 initialization? */
765 radeonfb_engine_init(dp);
766
767 /* copy the template into place */
768 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
769 dp->rd_wsscreens = dp->rd_wsscreens_storage;
770
771 /* and make up the list */
772 dp->rd_wsscreenlist.nscreens = 1;
773 dp->rd_wsscreenlist.screens =
774 (const struct wsscreen_descr **)&dp->rd_wsscreens;
775
776 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
777 &radeonfb_accessops);
778
779 dp->rd_vd.init_screen = radeonfb_init_screen;
780
781 dp->rd_console = 1;
782
783 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
784
785 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
786 dp->rd_console, &defattr);
787
788 ri = &dp->rd_vscreen.scr_ri;
789 dp->rd_wsscreens->textops = &ri->ri_ops;
790 dp->rd_wsscreens->capabilities = ri->ri_caps;
791 dp->rd_wsscreens->nrows = ri->ri_rows;
792 dp->rd_wsscreens->ncols = ri->ri_cols;
793
794 #ifdef SPLASHSCREEN
795 dp->rd_splash.si_depth = ri->ri_depth;
796 dp->rd_splash.si_bits = ri->ri_bits;
797 dp->rd_splash.si_hwbits = ri->ri_hwbits;
798 dp->rd_splash.si_width = ri->ri_width;
799 dp->rd_splash.si_height = ri->ri_height;
800 dp->rd_splash.si_stride = ri->ri_stride;
801 dp->rd_splash.si_fillrect = NULL;
802 #endif
803 if (dp->rd_console) {
804
805 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
806 defattr);
807 #ifdef SPLASHSCREEN
808 splash_render(&dp->rd_splash,
809 SPLASH_F_CENTER|SPLASH_F_FILL);
810 #endif
811
812 #ifdef SPLASHSCREEN_PROGRESS
813 dp->rd_progress.sp_top = (dp->rd_virty / 8) * 7;
814 dp->rd_progress.sp_width = (dp->rd_virtx / 4) * 3;
815 dp->rd_progress.sp_left = (dp->rd_virtx -
816 dp->rd_progress.sp_width) / 2;
817 dp->rd_progress.sp_height = 20;
818 dp->rd_progress.sp_state = -1;
819 dp->rd_progress.sp_si = &dp->rd_splash;
820 splash_progress_init(&dp->rd_progress);
821 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
822 #endif
823
824 } else {
825
826 /*
827 * since we're not the console we can postpone
828 * the rest until someone actually allocates a
829 * screen for us. but we do clear the screen
830 * at least.
831 */
832 memset(ri->ri_bits, 0, 1024);
833
834 radeonfb_modeswitch(dp);
835 #ifdef SPLASHSCREEN
836 splash_render(&dp->rd_splash,
837 SPLASH_F_CENTER|SPLASH_F_FILL);
838 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
839 #endif
840 }
841
842 aa.console = dp->rd_console;
843 aa.scrdata = &dp->rd_wsscreenlist;
844 aa.accessops = &radeonfb_accessops;
845 aa.accesscookie = &dp->rd_vd;
846
847 config_found(&sc->sc_dev, &aa, wsemuldisplaydevprint);
848 radeonfb_blank(dp, 0);
849 }
850
851 return;
852
853 error:
854 if (sc->sc_biossz)
855 free(sc->sc_bios, M_DEVBUF);
856
857 if (sc->sc_regsz)
858 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
859
860 if (sc->sc_memsz)
861 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
862 }
863
864 int
865 radeonfb_ioctl(void *v, void *vs,
866 unsigned long cmd, caddr_t d, int flag, struct lwp *l)
867 {
868 struct vcons_data *vd;
869 struct radeonfb_display *dp;
870 struct radeonfb_softc *sc;
871
872 vd = (struct vcons_data *)v;
873 dp = (struct radeonfb_display *)vd->cookie;
874 sc = dp->rd_softc;
875
876 switch (cmd) {
877 case WSDISPLAYIO_GTYPE:
878 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
879 return 0;
880
881 case WSDISPLAYIO_GINFO:
882 if (vd->active != NULL) {
883 struct wsdisplay_fbinfo *fb;
884 fb = (struct wsdisplay_fbinfo *)d;
885 fb->width = dp->rd_virtx;
886 fb->height = dp->rd_virty;
887 fb->depth = dp->rd_bpp;
888 fb->cmsize = 256;
889 return 0;
890 } else
891 return ENODEV;
892 case WSDISPLAYIO_GVIDEO:
893 if (radeonfb_isblank(dp))
894 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
895 else
896 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
897 return 0;
898
899 case WSDISPLAYIO_SVIDEO:
900 radeonfb_blank(dp,
901 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
902 return 0;
903
904 case WSDISPLAYIO_GETCMAP:
905 #if 0
906 if (dp->rd_bpp == 8)
907 return radeonfb_getcmap(sc,
908 (struct wsdisplay_cmap *)d);
909 #endif
910 return EINVAL;
911
912 case WSDISPLAYIO_PUTCMAP:
913 #if 0
914 if (dp->rd_bpp == 8)
915 return radeonfb_putcmap(sc,
916 (struct wsdisplay_cmap *)d);
917 #endif
918 return EINVAL;
919
920 case WSDISPLAYIO_LINEBYTES:
921 *(unsigned *)d = dp->rd_stride;
922 return 0;
923
924 case WSDISPLAYIO_SMODE:
925 if (*(int *)d != dp->rd_wsmode) {
926 dp->rd_wsmode = *(int *)d;
927 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
928 (dp->rd_vd.active)) {
929 vcons_redraw_screen(dp->rd_vd.active);
930 }
931 }
932 return 0;
933
934 case WSDISPLAYIO_GCURMAX:
935 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
936 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
937 return 0;
938
939 case WSDISPLAYIO_SCURSOR:
940 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
941
942 case WSDISPLAYIO_GCURSOR:
943 return EPASSTHROUGH;
944
945 case WSDISPLAYIO_GCURPOS:
946 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
947 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
948 return 0;
949
950 case WSDISPLAYIO_SCURPOS:
951 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
952
953 case WSDISPLAYIO_SSPLASH:
954 #if defined(SPLASHSCREEN)
955 if (*(int *)d == 1) {
956 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
957 splash_render(&dp->rd_splash,
958 SPLASH_F_CENTER|SPLASH_F_FILL);
959 } else
960 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
961 return 0;
962 #else
963 return ENODEV;
964 #endif
965 case WSDISPLAYIO_SPROGRESS:
966 #if defined(SPLASHSCREEN) && defined(SPLASHSCREEN_PROGRESS)
967 dp->rd_progress.sp_force = 1;
968 splash_progress_update(&dp->rd_progress);
969 dp->rd_progress.sp_force = 0;
970 return 0;
971 #else
972 return ENODEV;
973 #endif
974
975 default:
976 return EPASSTHROUGH;
977 }
978 }
979
980 paddr_t
981 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
982 {
983 struct vcons_data *vd;
984 struct radeonfb_display *dp;
985 struct radeonfb_softc *sc;
986 #ifdef RADEONFB_MMAP_BARS
987 struct lwp *me;
988 #endif
989 paddr_t pa;
990
991 vd = (struct vcons_data *)v;
992 dp = (struct radeonfb_display *)vd->cookie;
993 sc = dp->rd_softc;
994
995 /* XXX: note that we don't allow mapping of registers right now */
996 /* XXX: this means that the XFree86 radeon driver won't work */
997
998 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
999 pa = bus_space_mmap(sc->sc_memt,
1000 sc->sc_memaddr + dp->rd_offset + offset, 0,
1001 prot, BUS_SPACE_MAP_LINEAR);
1002 return pa;
1003 }
1004
1005 #ifdef RADEONFB_MMAP_BARS
1006 /*
1007 * restrict all other mappings to processes with superuser privileges
1008 * or the kernel itself
1009 */
1010 me = curlwp;
1011 if (me != NULL) {
1012 if (kauth_authorize_generic(me->l_cred, KAUTH_GENERIC_ISSUSER,
1013 NULL) != 0) {
1014 printf("%s: mmap() rejected.\n", sc->sc_dev.dv_xname);
1015 return -1;
1016 }
1017 }
1018
1019 if ((offset >= sc->sc_regaddr) &&
1020 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1021 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1022 BUS_SPACE_MAP_LINEAR);
1023 }
1024
1025 if ((offset >= sc->sc_memaddr) &&
1026 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1027 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1028 BUS_SPACE_MAP_LINEAR);
1029 }
1030
1031 #ifdef macppc
1032 /* allow mapping of IO space */
1033 if ((offset >= 0xf2000000) && (offset < 0xf2800000)) {
1034 pa = bus_space_mmap(sc->sc_iot, offset-0xf2000000, 0, prot,
1035 BUS_SPACE_MAP_LINEAR);
1036 return pa;
1037 }
1038 #endif /* macppc */
1039
1040 #endif /* RADEONFB_MMAP_BARS */
1041
1042 return -1;
1043 }
1044
1045 static void
1046 radeonfb_loadbios(struct radeonfb_softc *sc, struct pci_attach_args *pa)
1047 {
1048 bus_space_tag_t romt;
1049 bus_space_handle_t romh, biosh;
1050 bus_size_t romsz;
1051 bus_addr_t ptr;
1052
1053 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1054 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1055 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1056 return;
1057 }
1058
1059 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1060 &sc->sc_biossz);
1061 if (sc->sc_biossz == 0) {
1062 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1063 return;
1064 }
1065
1066 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1067 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1068
1069 /* unmap the PCI expansion rom */
1070 bus_space_unmap(romt, romh, romsz);
1071
1072 /* turn off rom decoder now */
1073 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1074 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1075 ~PCI_MAPREG_ROM_ENABLE);
1076
1077 ptr = GETBIOS16(sc, 0x48);
1078 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1079 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1080 sc->sc_flags |= RFB_ATOM;
1081 }
1082
1083 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1084 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1085 }
1086
1087
1088 uint32_t
1089 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1090 {
1091
1092 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1093 }
1094
1095 void
1096 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1097 {
1098
1099 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1100 }
1101
1102 void
1103 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1104 uint32_t andmask, uint32_t ormask)
1105 {
1106 int s;
1107 uint32_t val;
1108
1109 s = splhigh();
1110 val = radeonfb_get32(sc, reg);
1111 val = (val & andmask) | ormask;
1112 radeonfb_put32(sc, reg, val);
1113 splx(s);
1114 }
1115
1116 uint32_t
1117 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1118 {
1119 int s;
1120 uint32_t val;
1121
1122 s = splhigh();
1123 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1124 val = radeonfb_get32(sc, RADEON_MM_DATA);
1125 splx(s);
1126
1127 return (val);
1128 }
1129
1130 void
1131 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1132 {
1133 int s;
1134
1135 s = splhigh();
1136 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1137 radeonfb_put32(sc, RADEON_MM_DATA, val);
1138 splx(s);
1139 }
1140
1141 void
1142 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1143 uint32_t andmask, uint32_t ormask)
1144 {
1145 int s;
1146 uint32_t val;
1147
1148 s = splhigh();
1149 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1150 val = radeonfb_get32(sc, RADEON_MM_DATA);
1151 val = (val & andmask) | ormask;
1152 radeonfb_put32(sc, RADEON_MM_DATA, val);
1153 splx(s);
1154 }
1155
1156 uint32_t
1157 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1158 {
1159 int s;
1160 uint32_t val;
1161
1162 s = splhigh();
1163 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
1164 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1165 if (HAS_R300CG(sc))
1166 radeonfb_r300cg_workaround(sc);
1167 splx(s);
1168
1169 return (val);
1170 }
1171
1172 void
1173 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1174 {
1175 int s;
1176
1177 s = splhigh();
1178 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1179 RADEON_PLL_WR_EN);
1180 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1181 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1182 splx(s);
1183 }
1184
1185 void
1186 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1187 uint32_t andmask, uint32_t ormask)
1188 {
1189 int s;
1190 uint32_t val;
1191
1192 s = splhigh();
1193 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1194 RADEON_PLL_WR_EN);
1195 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1196 val = (val & andmask) | ormask;
1197 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1198 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1199 splx(s);
1200 }
1201
1202 int
1203 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1204 {
1205 uint32_t saved;
1206
1207 saved = GET32(sc, reg);
1208 PUT32(sc, reg, v);
1209 if (GET32(sc, reg) != v) {
1210 return -1;
1211 }
1212 PUT32(sc, reg, saved);
1213 return 0;
1214 }
1215
1216 uintmax_t
1217 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1218 uintmax_t defval)
1219 {
1220 prop_number_t pn;
1221 pn = prop_dictionary_get(device_properties(&sc->sc_dev), name);
1222 if (pn == NULL) {
1223 return defval;
1224 }
1225 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1226 return (prop_number_integer_value(pn));
1227 }
1228
1229 int
1230 radeonfb_getclocks(struct radeonfb_softc *sc)
1231 {
1232 bus_addr_t ptr;
1233 int refclk = 0;
1234 int refdiv = 0;
1235 int minpll = 0;
1236 int maxpll = 0;
1237
1238 /* load initial property values if port/board provides them */
1239 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1240 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1241 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1242 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1243
1244 if (refclk && refdiv && minpll && maxpll)
1245 goto dontprobe;
1246
1247 if (!sc->sc_biossz) {
1248 /* no BIOS */
1249 aprint_verbose("%s: No video BIOS, using default clocks\n",
1250 XNAME(sc));
1251 if (IS_IGP(sc))
1252 refclk = refclk ? refclk : 1432;
1253 else
1254 refclk = refclk ? refclk : 2700;
1255 refdiv = refdiv ? refdiv : 12;
1256 minpll = minpll ? minpll : 12500;
1257 maxpll = maxpll ? maxpll : 35000;
1258 } else if (IS_ATOM(sc)) {
1259 /* ATOM BIOS */
1260 ptr = GETBIOS16(sc, 0x48);
1261 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1262 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1263 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1264 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1265 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1266 /*
1267 * ATOM BIOS doesn't supply a reference divider, so we
1268 * have to probe for it.
1269 */
1270 if (refdiv < 2)
1271 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1272 RADEON_PPLL_REF_DIV_MASK;
1273 /*
1274 * if probe is zero, just assume one that should work
1275 * for most parts
1276 */
1277 if (refdiv < 2)
1278 refdiv = 12;
1279
1280 } else {
1281 /* Legacy BIOS */
1282 ptr = GETBIOS16(sc, 0x48);
1283 ptr = GETBIOS16(sc, ptr + 0x30);
1284 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1285 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1286 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1287 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1288 }
1289
1290
1291 dontprobe:
1292 sc->sc_refclk = refclk * 10;
1293 sc->sc_refdiv = refdiv;
1294 sc->sc_minpll = minpll * 10;
1295 sc->sc_maxpll = maxpll * 10;
1296 return 0;
1297 }
1298
1299 int
1300 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1301 uint32_t *postdivbit, uint32_t *feedbackdiv)
1302 {
1303 int i;
1304 uint32_t outfreq;
1305 int div;
1306
1307 DPRINTF(("dot clock: %u\n", dotclock));
1308 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1309 outfreq = div * dotclock;
1310 if ((outfreq >= sc->sc_minpll) &&
1311 (outfreq <= sc->sc_maxpll)) {
1312 DPRINTF(("outfreq: %u\n", outfreq));
1313 *postdivbit =
1314 ((uint32_t)radeonfb_dividers[i].mask << 16);
1315 DPRINTF(("post divider: %d (mask %x)\n", div,
1316 *postdivbit));
1317 break;
1318 }
1319 }
1320
1321 if (div == 0)
1322 return 1;
1323
1324 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1325 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1326 return 0;
1327 }
1328
1329 #if 0
1330 #ifdef RADEON_DEBUG
1331 static void
1332 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1333 {
1334 char asc[17];
1335 unsigned ptr = (unsigned)buffer;
1336 char *start = (char *)(ptr & ~0xf);
1337 char *end = (char *)(ptr + size);
1338
1339 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1340
1341 if (pfx == NULL) {
1342 pfx = "";
1343 }
1344
1345 while (start < end) {
1346 unsigned offset = (unsigned)start & 0xf;
1347 if (offset == 0) {
1348 printf("%s%x: ", pfx, (unsigned)start);
1349 }
1350 if (((unsigned)start < ptr) ||
1351 ((unsigned)start >= (ptr + size))) {
1352 printf(" ");
1353 asc[offset] = ' ';
1354 } else {
1355 printf("%02x", *(unsigned char *)start);
1356 if ((*start >= ' ') && (*start <= '~')) {
1357 asc[offset] = *start;
1358 } else {
1359 asc[offset] = '.';
1360 }
1361 }
1362 asc[offset + 1] = 0;
1363 if (offset % 2) {
1364 printf(" ");
1365 }
1366 if (offset == 15) {
1367 printf(" %s\n", asc);
1368 }
1369 start++;
1370 }
1371 }
1372 #endif
1373 #endif
1374
1375 int
1376 radeonfb_getconnectors(struct radeonfb_softc *sc)
1377 {
1378 int i;
1379 int found = 0;
1380
1381 for (i = 0; i < 2; i++) {
1382 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1383 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1384 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1385 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1386 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1387 }
1388
1389 /*
1390 * This logic is borrowed from Xorg's radeon driver.
1391 */
1392 if (!sc->sc_biossz)
1393 goto nobios;
1394
1395 if (IS_ATOM(sc)) {
1396 /* not done yet */
1397 } else {
1398 uint16_t ptr;
1399 int port = 0;
1400
1401 ptr = GETBIOS16(sc, 0x48);
1402 ptr = GETBIOS16(sc, ptr + 0x50);
1403 for (i = 1; i < 4; i++) {
1404 uint16_t entry;
1405 uint8_t conn, ddc, dac, tmds;
1406
1407 /*
1408 * Parse the connector table. From reading the code,
1409 * it appears to made up of 16-bit entries for each
1410 * connector. The 16-bits are defined as:
1411 *
1412 * bits 12-15 - connector type (0 == end of table)
1413 * bits 8-11 - DDC type
1414 * bits 5-7 - ???
1415 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1416 * bits 1-3 - ???
1417 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1418 */
1419 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1420 break;
1421 entry = GETBIOS16(sc, ptr + i * 2);
1422
1423 conn = (entry >> 12) & 0xf;
1424 ddc = (entry >> 8) & 0xf;
1425 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1426 RADEON_DAC_PRIMARY;
1427 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1428 RADEON_TMDS_INT;
1429
1430 if (conn == RADEON_CONN_NONE)
1431 continue; /* no connector */
1432
1433 if ((found > 0) &&
1434 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1435 /* duplicate entry for same connector */
1436 continue;
1437 }
1438
1439 /* internal DDC_DVI port gets priority */
1440 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1441 port = 0;
1442 else
1443 port = 1;
1444
1445 sc->sc_ports[port].rp_ddc_type =
1446 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1447 sc->sc_ports[port].rp_dac_type = dac;
1448 sc->sc_ports[port].rp_conn_type =
1449 min(conn, RADEON_CONN_UNSUPPORTED) ;
1450
1451 sc->sc_ports[port].rp_tmds_type = tmds;
1452
1453 if ((conn != RADEON_CONN_DVI_I) &&
1454 (conn != RADEON_CONN_DVI_D) &&
1455 (tmds == RADEON_TMDS_INT))
1456 sc->sc_ports[port].rp_tmds_type =
1457 RADEON_TMDS_UNKNOWN;
1458
1459 found += (port + 1);
1460 }
1461 }
1462
1463 nobios:
1464 if (!found) {
1465 DPRINTF(("No connector info in BIOS!\n"));
1466 /* default, port 0 = internal TMDS, port 1 = CRT */
1467 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1468 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1469 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1470 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1471 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1472
1473 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1474 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1475 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1476 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1477 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1478 }
1479
1480 /*
1481 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1482 * these chips should use TVDAC for the VGA port.
1483 */
1484 if (HAS_SDAC(sc)) {
1485 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1486 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1487 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1488 } else {
1489 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1490 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1491 }
1492 } else if (!HAS_CRTC2(sc)) {
1493 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1494 }
1495
1496 for (i = 0; i < 2; i++) {
1497 char edid[128];
1498 uint8_t ddc;
1499 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1500
1501 DPRINTF(("Port #%d:\n", i));
1502 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1503 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1504 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1505 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1506
1507 sc->sc_ports[i].rp_edid_valid = 0;
1508 ddc = sc->sc_ports[i].rp_ddc_type;
1509 if (ddc != RADEON_DDC_NONE) {
1510 if ((radeonfb_i2c_read_edid(sc, ddc, edid) == 0) &&
1511 (edid_parse(edid, eip) == 0)) {
1512 sc->sc_ports[i].rp_edid_valid = 1;
1513 edid_print(eip);
1514 }
1515 }
1516 }
1517
1518 return found;
1519 }
1520
1521 int
1522 radeonfb_gettmds(struct radeonfb_softc *sc)
1523 {
1524 int i;
1525
1526 if (!sc->sc_biossz) {
1527 goto nobios;
1528 }
1529
1530 if (IS_ATOM(sc)) {
1531 /* XXX: not done yet */
1532 } else {
1533 uint16_t ptr;
1534 int n;
1535
1536 ptr = GETBIOS16(sc, 0x48);
1537 ptr = GETBIOS16(sc, ptr + 0x34);
1538 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1539 if (GETBIOS8(sc, ptr) == 3) {
1540 /* revision three table */
1541 n = GETBIOS8(sc, ptr + 5) + 1;
1542 n = min(n, 4);
1543
1544 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1545 for (i = 0; i < n; i++) {
1546 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1547 ptr + i * 10 + 8);
1548 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1549 ptr + i * 10 + 0x10);
1550 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1551 sc->sc_tmds_pll[i].rtp_freq,
1552 sc->sc_tmds_pll[i].rtp_pll));
1553 }
1554 return 0;
1555 }
1556 }
1557
1558 nobios:
1559 DPRINTF(("no suitable DFP table present\n"));
1560 for (i = 0;
1561 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1562 i++) {
1563 int j;
1564
1565 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1566 continue;
1567
1568 for (j = 0; j < 4; j++) {
1569 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1570 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1571 sc->sc_tmds_pll[j].rtp_freq,
1572 sc->sc_tmds_pll[j].rtp_pll));
1573 }
1574 return 0;
1575 }
1576
1577 return -1;
1578 }
1579
1580 const struct videomode *
1581 radeonfb_modelookup(const char *name)
1582 {
1583 int i;
1584
1585 for (i = 0; i < videomode_count; i++)
1586 if (!strcmp(name, videomode_list[i].name))
1587 return &videomode_list[i];
1588
1589 return NULL;
1590 }
1591
1592 void
1593 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1594 {
1595 if (crtc) {
1596 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1597 RADEON_P2PLL_ATOMIC_UPDATE_R);
1598 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1599 } else {
1600 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1601 RADEON_PPLL_ATOMIC_UPDATE_R);
1602 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1603 }
1604 }
1605
1606 void
1607 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1608 {
1609 int i;
1610
1611 for (i = 10000; i; i--) {
1612 if (crtc) {
1613 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1614 RADEON_P2PLL_ATOMIC_UPDATE_R)
1615 break;
1616 } else {
1617 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1618 RADEON_PPLL_ATOMIC_UPDATE_R)
1619 break;
1620 }
1621 }
1622 }
1623
1624 void
1625 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1626 {
1627 uint32_t pbit = 0;
1628 uint32_t feed = 0;
1629 uint32_t data;
1630 #if 1
1631 int i;
1632 #endif
1633
1634 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1635
1636 if (crtc == 0) {
1637
1638 /* XXXX: mobility workaround missing */
1639 /* XXXX: R300 stuff missing */
1640
1641 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1642 RADEON_VCLK_SRC_SEL_CPUCLK,
1643 ~RADEON_VCLK_SRC_SEL_MASK);
1644
1645 /* put vclk into reset, use atomic updates */
1646 SETPLL(sc, RADEON_PPLL_CNTL,
1647 RADEON_PPLL_REFCLK_SEL |
1648 RADEON_PPLL_FBCLK_SEL |
1649 RADEON_PPLL_RESET |
1650 RADEON_PPLL_ATOMIC_UPDATE_EN |
1651 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1652
1653 /* select clock 3 */
1654 #if 0
1655 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
1656 ~RADEON_PLL_DIV_SEL);
1657 #else
1658 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1659 ~RADEON_PLL_DIV_SEL);
1660 #endif
1661
1662 /* XXX: R300 family -- program divider differently? */
1663
1664 /* program reference divider */
1665 PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
1666 ~RADEON_PPLL_REF_DIV_MASK);
1667 PRINTPLL(RADEON_PPLL_REF_DIV);
1668
1669 #if 0
1670 data = GETPLL(sc, RADEON_PPLL_DIV_3);
1671 data &= ~(RADEON_PPLL_FB3_DIV_MASK |
1672 RADEON_PPLL_POST3_DIV_MASK);
1673 data |= pbit;
1674 data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1675 PUTPLL(sc, RADEON_PPLL_DIV_3, data);
1676 #else
1677 for (i = 0; i < 4; i++) {
1678 }
1679 #endif
1680
1681 /* use the atomic update */
1682 radeonfb_pllwriteupdate(sc, crtc);
1683
1684 /* and wait for it to complete */
1685 radeonfb_pllwaitatomicread(sc, crtc);
1686
1687 /* program HTOTAL (why?) */
1688 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1689
1690 /* drop reset */
1691 CLRPLL(sc, RADEON_PPLL_CNTL,
1692 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
1693 RADEON_PPLL_ATOMIC_UPDATE_EN |
1694 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1695
1696 PRINTPLL(RADEON_PPLL_CNTL);
1697
1698 /* give clock time to lock */
1699 delay(50000);
1700
1701 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1702 RADEON_VCLK_SRC_SEL_PPLLCLK,
1703 ~RADEON_VCLK_SRC_SEL_MASK);
1704
1705 } else {
1706
1707 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1708 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
1709 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1710
1711 /* put vclk into reset, use atomic updates */
1712 SETPLL(sc, RADEON_P2PLL_CNTL,
1713 RADEON_P2PLL_RESET |
1714 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1715 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1716
1717 /* XXX: R300 family -- program divider differently? */
1718
1719 /* program reference divider */
1720 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
1721 ~RADEON_P2PLL_REF_DIV_MASK);
1722
1723 /* program feedback and post dividers */
1724 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
1725 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
1726 RADEON_P2PLL_POST0_DIV_MASK);
1727 data |= pbit;
1728 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
1729 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
1730
1731 /* use the atomic update */
1732 radeonfb_pllwriteupdate(sc, crtc);
1733
1734 /* and wait for it to complete */
1735 radeonfb_pllwaitatomicread(sc, crtc);
1736
1737 /* program HTOTAL (why?) */
1738 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
1739
1740 /* drop reset */
1741 CLRPLL(sc, RADEON_P2PLL_CNTL,
1742 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
1743 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1744 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1745
1746 /* allow time for clock to lock */
1747 delay(50000);
1748
1749 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1750 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
1751 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1752 }
1753 PRINTREG(RADEON_CRTC_MORE_CNTL);
1754 }
1755
1756 void
1757 radeonfb_modeswitch(struct radeonfb_display *dp)
1758 {
1759 struct radeonfb_softc *sc = dp->rd_softc;
1760 int i;
1761
1762 /* blank the display while we switch modes */
1763 //radeonfb_blank(dp, 1);
1764
1765 #if 0
1766 SET32(sc, RADEON_CRTC_EXT_CNTL,
1767 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1768 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1769 #endif
1770
1771 /* these registers might get in the way... */
1772 PUT32(sc, RADEON_OVR_CLR, 0);
1773 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
1774 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
1775 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
1776 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
1777 PUT32(sc, RADEON_VIPH_CONTROL, 0);
1778 PUT32(sc, RADEON_I2C_CNTL_1, 0);
1779 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
1780 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
1781 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
1782 PUT32(sc, RADEON_SURFACE_CNTL, 0);
1783
1784 for (i = 0; i < dp->rd_ncrtcs; i++)
1785 radeonfb_setcrtc(dp, i);
1786
1787 /* activate the display */
1788 //radeonfb_blank(dp, 0);
1789 }
1790
1791 void
1792 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
1793 {
1794 int crtc;
1795 struct videomode *mode;
1796 struct radeonfb_softc *sc;
1797 struct radeonfb_crtc *cp;
1798 uint32_t v;
1799 uint32_t gencntl;
1800 uint32_t htotaldisp;
1801 uint32_t hsyncstrt;
1802 uint32_t vtotaldisp;
1803 uint32_t vsyncstrt;
1804 uint32_t fphsyncstrt;
1805 uint32_t fpvsyncstrt;
1806 uint32_t fphtotaldisp;
1807 uint32_t fpvtotaldisp;
1808 uint32_t pitch;
1809
1810 sc = dp->rd_softc;
1811 cp = &dp->rd_crtcs[index];
1812 crtc = cp->rc_number;
1813 mode = &cp->rc_videomode;
1814
1815 #if 1
1816 pitch = (((dp->rd_virtx * dp->rd_bpp) + ((dp->rd_bpp * 8) - 1)) /
1817 (dp->rd_bpp * 8));
1818 #else
1819 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
1820 (sc->sc_maxbpp * 8));
1821 #endif
1822 //pitch = pitch | (pitch << 16);
1823
1824 switch (crtc) {
1825 case 0:
1826 gencntl = RADEON_CRTC_GEN_CNTL;
1827 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
1828 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
1829 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
1830 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
1831 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
1832 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
1833 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
1834 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
1835 break;
1836 case 1:
1837 gencntl = RADEON_CRTC2_GEN_CNTL;
1838 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
1839 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
1840 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
1841 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
1842 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
1843 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
1844 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
1845 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
1846 break;
1847 default:
1848 panic("Bad CRTC!");
1849 break;
1850 }
1851
1852 /*
1853 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
1854 */
1855 /* only bother with 32bpp and 8bpp */
1856 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
1857
1858 if (crtc == 1) {
1859 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
1860 } else {
1861 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
1862 }
1863
1864 if (mode->flags & VID_DBLSCAN)
1865 v |= RADEON_CRTC2_DBL_SCAN_EN;
1866
1867 if (mode->flags & VID_INTERLACE)
1868 v |= RADEON_CRTC2_INTERLACE_EN;
1869
1870 if (mode->flags & VID_CSYNC) {
1871 v |= RADEON_CRTC2_CSYNC_EN;
1872 if (crtc == 1)
1873 v |= RADEON_CRTC2_VSYNC_TRISTAT;
1874 }
1875
1876 PUT32(sc, gencntl, v);
1877 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
1878
1879 /*
1880 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
1881 */
1882 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
1883 if (crtc == 0) {
1884 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1885 RADEON_CRTC_DISPLAY_DIS);
1886 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
1887 if (mode->flags & VID_CSYNC)
1888 v |= RADEON_CRTC_VSYNC_TRISTAT;
1889 }
1890 /* unconditional turn on CRT, in case first CRTC is DFP */
1891 v |= RADEON_CRTC_CRT_ON;
1892 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
1893 PRINTREG(RADEON_CRTC_EXT_CNTL);
1894
1895 /*
1896 * H_TOTAL_DISP
1897 */
1898 v = ((mode->hdisplay / 8) - 1) << 16;
1899 v |= (mode->htotal / 8) - 1;
1900 PUT32(sc, htotaldisp, v);
1901 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
1902 PUT32(sc, fphtotaldisp, v);
1903 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
1904
1905 /*
1906 * H_SYNC_STRT_WID
1907 */
1908 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
1909 v |= mode->hsync_start;
1910 if (mode->flags & VID_NHSYNC)
1911 v |= RADEON_CRTC_H_SYNC_POL;
1912 PUT32(sc, hsyncstrt, v);
1913 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
1914 PUT32(sc, fphsyncstrt, v);
1915 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
1916
1917 /*
1918 * V_TOTAL_DISP
1919 */
1920 v = ((mode->vdisplay - 1) << 16);
1921 v |= (mode->vtotal - 1);
1922 PUT32(sc, vtotaldisp, v);
1923 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
1924 PUT32(sc, fpvtotaldisp, v);
1925 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
1926
1927 /*
1928 * V_SYNC_STRT_WID
1929 */
1930 v = ((mode->vsync_end - mode->vsync_start) << 16);
1931 v |= (mode->vsync_start - 1);
1932 if (mode->flags & VID_NVSYNC)
1933 v |= RADEON_CRTC_V_SYNC_POL;
1934 PUT32(sc, vsyncstrt, v);
1935 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
1936 PUT32(sc, fpvsyncstrt, v);
1937 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
1938
1939 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
1940
1941 switch (crtc) {
1942 case 0:
1943 PUT32(sc, RADEON_CRTC_OFFSET, 0);
1944 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
1945 PUT32(sc, RADEON_CRTC_PITCH, pitch);
1946 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
1947
1948 CLR32(sc, RADEON_CRTC_EXT_CNTL,
1949 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1950 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1951 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
1952 PRINTREG(RADEON_CRTC_EXT_CNTL);
1953 PRINTREG(RADEON_CRTC_GEN_CNTL);
1954 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
1955 break;
1956
1957 case 1:
1958 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
1959 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
1960 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
1961 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
1962 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
1963 RADEON_CRTC2_VSYNC_DIS |
1964 RADEON_CRTC2_HSYNC_DIS |
1965 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
1966 PRINTREG(RADEON_CRTC2_GEN_CNTL);
1967 break;
1968 }
1969 }
1970
1971 int
1972 radeonfb_isblank(struct radeonfb_display *dp)
1973 {
1974 uint32_t reg, mask;
1975
1976 if (dp->rd_crtcs[0].rc_number) {
1977 reg = RADEON_CRTC2_GEN_CNTL;
1978 mask = RADEON_CRTC2_DISP_DIS;
1979 } else {
1980 reg = RADEON_CRTC_EXT_CNTL;
1981 mask = RADEON_CRTC_DISPLAY_DIS;
1982 }
1983 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
1984 }
1985
1986 void
1987 radeonfb_blank(struct radeonfb_display *dp, int blank)
1988 {
1989 struct radeonfb_softc *sc = dp->rd_softc;
1990 uint32_t reg, mask;
1991 uint32_t fpreg, fpval;
1992 int i;
1993
1994 for (i = 0; i < dp->rd_ncrtcs; i++) {
1995
1996 if (dp->rd_crtcs[i].rc_number) {
1997 reg = RADEON_CRTC2_GEN_CNTL;
1998 mask = RADEON_CRTC2_DISP_DIS;
1999 fpreg = RADEON_FP2_GEN_CNTL;
2000 fpval = RADEON_FP2_ON;
2001 } else {
2002 reg = RADEON_CRTC_EXT_CNTL;
2003 mask = RADEON_CRTC_DISPLAY_DIS;
2004 fpreg = RADEON_FP_GEN_CNTL;
2005 fpval = RADEON_FP_FPON;
2006 }
2007
2008 if (blank) {
2009 SET32(sc, reg, mask);
2010 CLR32(sc, fpreg, fpval);
2011 } else {
2012 CLR32(sc, reg, mask);
2013 SET32(sc, fpreg, fpval);
2014 }
2015 }
2016 PRINTREG(RADEON_FP_GEN_CNTL);
2017 PRINTREG(RADEON_FP2_GEN_CNTL);
2018 }
2019
2020 void
2021 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2022 long *defattr)
2023 {
2024 struct radeonfb_display *dp = cookie;
2025 struct rasops_info *ri = &scr->scr_ri;
2026
2027 /* initialize font subsystem */
2028 wsfont_init();
2029
2030 DPRINTF(("init screen called, existing %d\n", existing));
2031
2032 ri->ri_depth = dp->rd_bpp;
2033 ri->ri_width = dp->rd_virtx;
2034 ri->ri_height = dp->rd_virty;
2035 ri->ri_stride = dp->rd_stride;
2036 ri->ri_flg = RI_CENTER;
2037 ri->ri_bits = (void *)dp->rd_fbptr;
2038
2039 /* XXX: 32 bpp only */
2040 /* this is rgb in "big-endian order..." */
2041 ri->ri_rnum = 8;
2042 ri->ri_gnum = 8;
2043 ri->ri_bnum = 8;
2044 ri->ri_rpos = 16;
2045 ri->ri_gpos = 8;
2046 ri->ri_bpos = 0;
2047
2048 if (existing) {
2049 ri->ri_flg |= RI_CLEAR;
2050
2051 /* start a modeswitch now */
2052 radeonfb_modeswitch(dp);
2053 }
2054
2055 /*
2056 * XXX: font selection should be based on properties, with some
2057 * normal/reasonable default.
2058 */
2059 ri->ri_caps = WSSCREEN_WSCOLORS;
2060
2061 /* initialize and look for an initial font */
2062 rasops_init(ri, dp->rd_virty/8, dp->rd_virtx/8);
2063
2064 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2065 dp->rd_virtx / ri->ri_font->fontwidth);
2066
2067 /* enable acceleration */
2068 ri->ri_ops.copyrows = radeonfb_copyrows;
2069 ri->ri_ops.copycols = radeonfb_copycols;
2070 ri->ri_ops.eraserows = radeonfb_eraserows;
2071 ri->ri_ops.erasecols = radeonfb_erasecols;
2072 ri->ri_ops.allocattr = radeonfb_allocattr;
2073 ri->ri_ops.putchar = radeonfb_putchar;
2074 ri->ri_ops.cursor = radeonfb_cursor;
2075 }
2076
2077 void
2078 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2079 {
2080 uint32_t gen, ext, gen2 = 0;
2081 uint32_t agploc, aperbase, apersize, mcfbloc;
2082
2083 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2084 ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
2085 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2086 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2087 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2088
2089 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2090 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2091 //PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2092 //PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2093
2094 if (HAS_CRTC2(sc)) {
2095 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2096 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2097 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2098 }
2099
2100 delay(100000);
2101
2102 mcfbloc = (aperbase >> 16) |
2103 ((aperbase + (apersize - 1)) & 0xffff0000);
2104
2105 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2106 sc->sc_memsz = apersize;
2107
2108 if (((agploc & 0xffff) << 16) !=
2109 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2110 agploc = mcfbloc & 0xffff0000U;
2111 agploc |= ((agploc + 0x10000) >> 16);
2112 }
2113
2114 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2115
2116 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2117 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2118
2119 DPRINTF(("aperbase = %u\n", aperbase));
2120 PRINTREG(RADEON_MC_FB_LOCATION);
2121 PRINTREG(RADEON_MC_AGP_LOCATION);
2122
2123 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2124
2125 if (HAS_CRTC2(sc))
2126 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2127
2128 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2129
2130 #if 0
2131 /* XXX: what is this AGP garbage? :-) */
2132 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2133 #endif
2134
2135 delay(100000);
2136
2137 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2138 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2139
2140 if (HAS_CRTC2(sc))
2141 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2142 }
2143
2144 void
2145 radeonfb_init_misc(struct radeonfb_softc *sc)
2146 {
2147 PUT32(sc, RADEON_BUS_CNTL,
2148 RADEON_BUS_MASTER_DIS |
2149 RADEON_BUS_PREFETCH_MODE_ACT |
2150 RADEON_BUS_PCI_READ_RETRY_EN |
2151 RADEON_BUS_PCI_WRT_RETRY_EN |
2152 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2153 RADEON_BUS_MSTR_RD_MULT |
2154 RADEON_BUS_MSTR_RD_LINE |
2155 RADEON_BUS_RD_DISCARD_EN |
2156 RADEON_BUS_MSTR_DISCONNECT_EN |
2157 RADEON_BUS_READ_BURST);
2158
2159 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2160 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2161 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2162 PUT32(sc, RADEON_RBBM_CNTL,
2163 (3 << RADEON_RB_SETTLE_SHIFT) |
2164 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2165 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2166 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2167
2168 /* XXX: figure out what these mean! */
2169 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2170 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2171 //PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2172
2173 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2174 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2175 }
2176
2177 /*
2178 * This loads a linear color map for true color.
2179 */
2180 void
2181 radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
2182 {
2183 int i;
2184 uint32_t vclk;
2185
2186 #define DAC_WIDTH ((1 << 10) - 1)
2187 #define CLUT_WIDTH ((1 << 8) - 1)
2188 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2189
2190 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2191 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2192
2193 if (crtc)
2194 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2195 else
2196 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2197
2198 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2199 for (i = 0; i <= CLUT_WIDTH; ++i) {
2200 PUT32(sc, RADEON_PALETTE_30_DATA,
2201 (CLUT_COLOR(i) << 10) |
2202 (CLUT_COLOR(i) << 20) |
2203 (CLUT_COLOR(i)));
2204 }
2205
2206 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2207 PRINTREG(RADEON_DAC_CNTL2);
2208
2209 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2210 }
2211
2212 /*
2213 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2214 */
2215 void
2216 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2217 {
2218 uint32_t tmp, save;
2219
2220 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2221 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2222 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2223 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2224 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2225 }
2226
2227 /*
2228 * Acceleration entry points.
2229 */
2230 static void
2231 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2232 {
2233 struct rasops_info *ri = cookie;
2234 struct vcons_screen *scr = ri->ri_hw;
2235 struct radeonfb_display *dp = scr->scr_cookie;
2236 uint32_t x, y, w, h;
2237 uint32_t bg, fg;
2238 uint8_t *data;
2239
2240 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2241 return;
2242
2243 if (!CHAR_IN_FONT(c, ri->ri_font))
2244 return;
2245
2246 w = ri->ri_font->fontwidth;
2247 h = ri->ri_font->fontheight;
2248
2249 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2250 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2251
2252 x = ri->ri_xorigin + col * w;
2253 y = ri->ri_yorigin + row * h;
2254
2255 if (c == 0x20) {
2256 radeonfb_rectfill(dp, x, y, w, h, bg);
2257 } else {
2258 data = (uint8_t *)ri->ri_font->data +
2259 (c - ri->ri_font->firstchar) * ri->ri_fontscale;
2260
2261 radeonfb_setup_mono(dp, x, y, w, h, fg, bg);
2262 radeonfb_feed_bytes(dp, ri->ri_fontscale, data);
2263 }
2264 }
2265
2266 static void
2267 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2268 {
2269 struct rasops_info *ri = cookie;
2270 struct vcons_screen *scr = ri->ri_hw;
2271 struct radeonfb_display *dp = scr->scr_cookie;
2272 uint32_t x, y, w, h, fg, bg, ul;
2273
2274 /* XXX: check for full emulation mode? */
2275 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2276 x = ri->ri_xorigin;
2277 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2278 w = ri->ri_emuwidth;
2279 h = ri->ri_font->fontheight * nrows;
2280
2281 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2282 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2283 }
2284 }
2285
2286 static void
2287 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
2288 {
2289 struct rasops_info *ri = cookie;
2290 struct vcons_screen *scr = ri->ri_hw;
2291 struct radeonfb_display *dp = scr->scr_cookie;
2292 uint32_t x, ys, yd, w, h;
2293
2294 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2295 x = ri->ri_xorigin;
2296 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
2297 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
2298 w = ri->ri_emuwidth;
2299 h = ri->ri_font->fontheight * nrows;
2300 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
2301 RADEON_ROP3_S, 0xffffffff);
2302 }
2303 }
2304
2305 static void
2306 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
2307 {
2308 struct rasops_info *ri = cookie;
2309 struct vcons_screen *scr = ri->ri_hw;
2310 struct radeonfb_display *dp = scr->scr_cookie;
2311 uint32_t xs, xd, y, w, h;
2312
2313 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2314 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
2315 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
2316 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2317 w = ri->ri_font->fontwidth * ncols;
2318 h = ri->ri_font->fontheight;
2319 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
2320 RADEON_ROP3_S, 0xffffffff);
2321 }
2322 }
2323
2324 static void
2325 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
2326 long fillattr)
2327 {
2328 struct rasops_info *ri = cookie;
2329 struct vcons_screen *scr = ri->ri_hw;
2330 struct radeonfb_display *dp = scr->scr_cookie;
2331 uint32_t x, y, w, h, fg, bg, ul;
2332
2333 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2334 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
2335 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2336 w = ri->ri_font->fontwidth * ncols;
2337 h = ri->ri_font->fontheight;
2338
2339 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2340 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2341 }
2342 }
2343
2344 static void
2345 radeonfb_cursor(void *cookie, int on, int row, int col)
2346 {
2347 struct rasops_info *ri = cookie;
2348 struct vcons_screen *scr = ri->ri_hw;
2349 struct radeonfb_display *dp = scr->scr_cookie;
2350 int x, y, wi, he;
2351
2352 wi = ri->ri_font->fontwidth;
2353 he = ri->ri_font->fontheight;
2354
2355 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2356 x = ri->ri_ccol * wi + ri->ri_xorigin;
2357 y = ri->ri_crow * he + ri->ri_yorigin;
2358 /* first turn off the old cursor */
2359 if (ri->ri_flg & RI_CURSOR) {
2360 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2361 RADEON_ROP3_Dn, 0xffffffff);
2362 ri->ri_flg &= ~RI_CURSOR;
2363 }
2364 ri->ri_crow = row;
2365 ri->ri_ccol = col;
2366 /* then (possibly) turn on the new one */
2367 if (on) {
2368 x = ri->ri_ccol * wi + ri->ri_xorigin;
2369 y = ri->ri_crow * he + ri->ri_yorigin;
2370 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2371 RADEON_ROP3_Dn, 0xffffffff);
2372 ri->ri_flg |= RI_CURSOR;
2373 }
2374 } else {
2375 scr->scr_ri.ri_crow = row;
2376 scr->scr_ri.ri_ccol = col;
2377 scr->scr_ri.ri_flg &= ~RI_CURSOR;
2378 }
2379 }
2380
2381 static int
2382 radeonfb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
2383 {
2384 if ((fg == 0) && (bg == 0)) {
2385 fg = WS_DEFAULT_FG;
2386 bg = WS_DEFAULT_BG;
2387 }
2388 *attrp = ((fg & 0xf) << 24) | ((bg & 0xf) << 16) | (flags & 0xff) << 8;
2389 return 0;
2390 }
2391
2392 /*
2393 * Underlying acceleration support.
2394 */
2395 static void
2396 radeonfb_setup_mono(struct radeonfb_display *dp, int xd, int yd, int width,
2397 int height, uint32_t fg, uint32_t bg)
2398 {
2399 struct radeonfb_softc *sc = dp->rd_softc;
2400 uint32_t gmc;
2401 uint32_t padded_width = (width+7) & 0xfff8;
2402 uint32_t topleft, bottomright;
2403
2404 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2405
2406 if (width != padded_width) {
2407
2408 radeonfb_wait_fifo(sc, 2);
2409 topleft = ((yd << 16) & 0x1fff0000) | (xd & 0x1fff);
2410 bottomright = (((yd + height) << 16) & 0x1fff0000) |
2411 ((xd + width) & 0x1fff);
2412 PUT32(sc, RADEON_SC_TOP_LEFT, topleft);
2413 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, bottomright);
2414 }
2415
2416 radeonfb_wait_fifo(sc, 5);
2417
2418 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2419 RADEON_GMC_BRUSH_NONE |
2420 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2421 //RADEON_GMC_BYTE_LSB_TO_MSB |
2422 RADEON_GMC_DST_CLIPPING |
2423 RADEON_ROP3_S |
2424 RADEON_DP_SRC_SOURCE_HOST_DATA |
2425 RADEON_GMC_CLR_CMP_CNTL_DIS |
2426 RADEON_GMC_WR_MSK_DIS |
2427 gmc);
2428
2429 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2430 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2431
2432 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2433 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (padded_width << 16) | height);
2434
2435 }
2436
2437 static void
2438 radeonfb_feed_bytes(struct radeonfb_display *dp, int count, uint8_t *data)
2439 {
2440 struct radeonfb_softc *sc = dp->rd_softc;
2441 int i;
2442 uint32_t latch = 0;
2443 int shift = 0;
2444
2445 for (i = 0; i < count; i++) {
2446 latch |= (data[i] << shift);
2447 if (shift == 24) {
2448 radeonfb_wait_fifo(sc, 1);
2449 PUT32(sc, RADEON_HOST_DATA0, latch);
2450 latch = 0;
2451 shift = 0;
2452 } else
2453 shift += 8;
2454 }
2455 if (shift != 0) {
2456 radeonfb_wait_fifo(sc, 1);
2457 PUT32(sc, RADEON_HOST_DATA0, latch);
2458 }
2459 radeonfb_unclip(sc);
2460 }
2461
2462 static void
2463 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
2464 int width, int height, uint32_t color)
2465 {
2466 struct radeonfb_softc *sc = dp->rd_softc;
2467 uint32_t gmc;
2468
2469 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2470
2471 radeonfb_wait_fifo(sc, 6);
2472
2473 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2474 RADEON_GMC_BRUSH_SOLID_COLOR |
2475 RADEON_GMC_SRC_DATATYPE_COLOR |
2476 RADEON_GMC_CLR_CMP_CNTL_DIS |
2477 RADEON_ROP3_P | gmc);
2478
2479 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
2480 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2481 PUT32(sc, RADEON_DP_CNTL,
2482 RADEON_DST_X_LEFT_TO_RIGHT |
2483 RADEON_DST_Y_TOP_TO_BOTTOM);
2484 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2485 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2486
2487 /*
2488 * XXX: we don't wait for the fifo to empty -- that would slow
2489 * things down! The linux radeonfb driver waits, but xfree doesn't
2490 */
2491 /* XXX: for now we do, to make it safe for direct drawing */
2492 radeonfb_engine_idle(sc);
2493 }
2494
2495 static void
2496 radeonfb_bitblt(struct radeonfb_display *dp, int srcx, int srcy,
2497 int dstx, int dsty, int width, int height, int rop, uint32_t mask)
2498 {
2499 struct radeonfb_softc *sc = dp->rd_softc;
2500 uint32_t gmc;
2501 uint32_t dir;
2502
2503 if (dsty < srcy) {
2504 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
2505 } else {
2506 srcy += height - 1;
2507 dsty += height - 1;
2508 dir = 0;
2509 }
2510 if (dstx < srcx) {
2511 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
2512 } else {
2513 srcx += width - 1;
2514 dstx += width - 1;
2515 }
2516
2517 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2518
2519 radeonfb_wait_fifo(sc, 6);
2520
2521 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2522 //RADEON_GMC_SRC_CLIPPING |
2523 RADEON_GMC_BRUSH_SOLID_COLOR |
2524 RADEON_GMC_SRC_DATATYPE_COLOR |
2525 RADEON_GMC_CLR_CMP_CNTL_DIS |
2526 RADEON_DP_SRC_SOURCE_MEMORY |
2527 rop | gmc);
2528
2529 PUT32(sc, RADEON_DP_WRITE_MASK, mask);
2530 PUT32(sc, RADEON_DP_CNTL, dir);
2531 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
2532 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2533 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2534
2535 /*
2536 * XXX: we don't wait for the fifo to empty -- that would slow
2537 * things down! The linux radeonfb driver waits, but xfree doesn't
2538 */
2539 /* XXX: for now we do, to make it safe for direct drawing */
2540 radeonfb_engine_idle(sc);
2541 }
2542
2543 static void
2544 radeonfb_engine_idle(struct radeonfb_softc *sc)
2545 {
2546 int i;
2547
2548 radeonfb_wait_fifo(sc, 64);
2549 for (i = RADEON_TIMEOUT; i; i--) {
2550 if ((GET32(sc, RADEON_RBBM_STATUS) &
2551 RADEON_RBBM_ACTIVE) == 0) {
2552 radeonfb_engine_flush(sc);
2553 break;
2554 }
2555 }
2556 }
2557
2558 static void
2559 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
2560 {
2561 int i;
2562
2563 for (i = RADEON_TIMEOUT; i; i--) {
2564 if ((GET32(sc, RADEON_RBBM_STATUS) &
2565 RADEON_RBBM_FIFOCNT_MASK) >= n)
2566 return;
2567 }
2568 #ifdef DIAGNOSTIC
2569 if (!i)
2570 printf("%s: timed out waiting for fifo (%x)\n",
2571 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
2572 #endif
2573 }
2574
2575 static void
2576 radeonfb_engine_flush(struct radeonfb_softc *sc)
2577 {
2578 int i;
2579 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL);
2580 for (i = RADEON_TIMEOUT; i; i--) {
2581 if ((GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
2582 RADEON_RB2D_DC_BUSY) == 0)
2583 break;
2584 }
2585 #ifdef DIAGNOSTIC
2586 if (!i)
2587 printf("%s: engine flush timed out!\n", XNAME(sc));
2588 #endif
2589 }
2590
2591 static inline void
2592 radeonfb_unclip(struct radeonfb_softc *sc)
2593 {
2594
2595 radeonfb_wait_fifo(sc, 2);
2596 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
2597 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
2598 }
2599
2600 static void
2601 radeonfb_engine_init(struct radeonfb_display *dp)
2602 {
2603 struct radeonfb_softc *sc = dp->rd_softc;
2604 uint32_t pitch;
2605
2606 /* no 3D */
2607 PUT32(sc, RADEON_RB3D_CNTL, 0);
2608
2609 radeonfb_engine_reset(sc);
2610 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
2611 //pitch = ((sc->sc_maxx * (sc->sc_maxbpp / 8) + 0x3f)) >> 6;
2612
2613 radeonfb_wait_fifo(sc, 1);
2614 if (!IS_R300(sc))
2615 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
2616
2617 radeonfb_wait_fifo(sc, 3);
2618 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
2619 (pitch << 22) | (sc->sc_aperbase >> 10));
2620
2621
2622 PUT32(sc, RADEON_DST_PITCH_OFFSET,
2623 (pitch << 22) | (sc->sc_aperbase >> 10));
2624 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
2625 (pitch << 22) | (sc->sc_aperbase >> 10));
2626
2627 radeonfb_wait_fifo(sc, 1);
2628 #if _BYTE_ORDER == _BIG_ENDIAN
2629 SET32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2630 #else
2631 CLR32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2632 #endif
2633
2634 /* default scissors -- no clipping */
2635 radeonfb_wait_fifo(sc, 1);
2636 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
2637 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
2638
2639 radeonfb_wait_fifo(sc, 1);
2640 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2641 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
2642 RADEON_GMC_CLR_CMP_CNTL_DIS |
2643 RADEON_GMC_BRUSH_SOLID_COLOR |
2644 RADEON_GMC_SRC_DATATYPE_COLOR);
2645
2646 radeonfb_wait_fifo(sc, 7);
2647 PUT32(sc, RADEON_DST_LINE_START, 0);
2648 PUT32(sc, RADEON_DST_LINE_END, 0);
2649 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
2650 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
2651 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
2652 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
2653 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2654
2655 radeonfb_engine_idle(sc);
2656 }
2657
2658 static void
2659 radeonfb_engine_reset(struct radeonfb_softc *sc)
2660 {
2661 uint32_t hpc, rbbm, mclkcntl, clkindex;
2662
2663 radeonfb_engine_flush(sc);
2664
2665 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2666 if (HAS_R300CG(sc))
2667 radeonfb_r300cg_workaround(sc);
2668 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
2669
2670 /*
2671 * According to comments in XFree code, resetting the HDP via
2672 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
2673 * So we use HOST_PATH_CNTL instead.
2674 */
2675
2676 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
2677 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
2678 if (IS_R300(sc)) {
2679 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2680 RADEON_SOFT_RESET_CP |
2681 RADEON_SOFT_RESET_HI |
2682 RADEON_SOFT_RESET_E2);
2683 GET32(sc, RADEON_RBBM_SOFT_RESET);
2684 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
2685 /*
2686 * XXX: this bit is not defined in any ATI docs I have,
2687 * nor in the XFree code, but XFree does it. Why?
2688 */
2689 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
2690 } else {
2691 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2692 RADEON_SOFT_RESET_CP |
2693 RADEON_SOFT_RESET_SE |
2694 RADEON_SOFT_RESET_RE |
2695 RADEON_SOFT_RESET_PP |
2696 RADEON_SOFT_RESET_E2 |
2697 RADEON_SOFT_RESET_RB);
2698 GET32(sc, RADEON_RBBM_SOFT_RESET);
2699 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
2700 ~(RADEON_SOFT_RESET_CP |
2701 RADEON_SOFT_RESET_SE |
2702 RADEON_SOFT_RESET_RE |
2703 RADEON_SOFT_RESET_PP |
2704 RADEON_SOFT_RESET_E2 |
2705 RADEON_SOFT_RESET_RB));
2706 GET32(sc, RADEON_RBBM_SOFT_RESET);
2707 }
2708
2709 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
2710 GET32(sc, RADEON_HOST_PATH_CNTL);
2711 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
2712
2713 if (IS_R300(sc))
2714 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
2715
2716 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
2717 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
2718
2719 if (HAS_R300CG(sc))
2720 radeonfb_r300cg_workaround(sc);
2721 }
2722
2723 static int
2724 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
2725 {
2726 int x, y;
2727
2728 x = pos->x;
2729 y = pos->y;
2730
2731 /*
2732 * This doesn't let a cursor move off the screen. I'm not
2733 * sure if this will have negative effects for e.g. Xinerama.
2734 * I'd guess Xinerama handles it by changing the cursor shape,
2735 * but that needs verification.
2736 */
2737 if (x >= dp->rd_virtx)
2738 x = dp->rd_virtx - 1;
2739 if (x < 0)
2740 x = 0;
2741 if (y >= dp->rd_virty)
2742 y = dp->rd_virty - 1;
2743 if (y < 0)
2744 y = 0;
2745
2746 dp->rd_cursor.rc_pos.x = x;
2747 dp->rd_cursor.rc_pos.y = y;
2748
2749 radeonfb_cursor_position(dp);
2750 return 0;
2751 }
2752
2753 static int
2754 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
2755 {
2756 unsigned flags;
2757
2758 uint8_t r[2], g[2], b[2];
2759 unsigned index, count;
2760 int i, err;
2761 int pitch, size;
2762 struct radeonfb_cursor nc;
2763
2764 flags = wc->which;
2765
2766 /* copy old values */
2767 nc = dp->rd_cursor;
2768
2769 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
2770 index = wc->cmap.index;
2771 count = wc->cmap.count;
2772
2773 if (index >= 2 || (index + count) > 2)
2774 return EINVAL;
2775
2776 err = copyin(wc->cmap.red, &r[index], count);
2777 if (err)
2778 return err;
2779 err = copyin(wc->cmap.green, &g[index], count);
2780 if (err)
2781 return err;
2782 err = copyin(wc->cmap.blue, &b[index], count);
2783 if (err)
2784 return err;
2785
2786 for (i = index; i < index + count; i++) {
2787 nc.rc_cmap[i] =
2788 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
2789 }
2790 }
2791
2792 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
2793 if ((wc->size.x > RADEON_CURSORMAXX) ||
2794 (wc->size.y > RADEON_CURSORMAXY))
2795 return EINVAL;
2796
2797 /* figure bytes per line */
2798 pitch = (wc->size.x + 7) / 8;
2799 size = pitch * wc->size.y;
2800
2801 /* clear the old cursor and mask */
2802 memset(nc.rc_image, 0, 512);
2803 memset(nc.rc_mask, 0, 512);
2804
2805 nc.rc_size = wc->size;
2806
2807 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
2808 return err;
2809
2810 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
2811 return err;
2812 }
2813
2814 if (flags & WSDISPLAY_CURSOR_DOHOT) {
2815 nc.rc_hot = wc->hot;
2816 if (nc.rc_hot.x >= nc.rc_size.x)
2817 nc.rc_hot.x = nc.rc_size.x - 1;
2818 if (nc.rc_hot.y >= nc.rc_size.y)
2819 nc.rc_hot.y = nc.rc_size.y - 1;
2820 }
2821
2822 if (flags & WSDISPLAY_CURSOR_DOPOS) {
2823 nc.rc_pos = wc->pos;
2824 if (nc.rc_pos.x >= dp->rd_virtx)
2825 nc.rc_pos.x = dp->rd_virtx - 1;
2826 if (nc.rc_pos.x < 0)
2827 nc.rc_pos.x = 0;
2828 if (nc.rc_pos.y >= dp->rd_virty)
2829 nc.rc_pos.y = dp->rd_virty - 1;
2830 if (nc.rc_pos.y < 0)
2831 nc.rc_pos.y = 0;
2832 }
2833 if (flags & WSDISPLAY_CURSOR_DOCUR) {
2834 nc.rc_visible = wc->enable;
2835 }
2836
2837 dp->rd_cursor = nc;
2838 radeonfb_cursor_update(dp, wc->which);
2839
2840 return 0;
2841 }
2842
2843 /*
2844 * Change the cursor shape. Call this with the cursor locked to avoid
2845 * flickering/tearing.
2846 */
2847 static void
2848 radeonfb_cursor_shape(struct radeonfb_display *dp)
2849 {
2850 uint8_t and[512], xor[512];
2851 int i, j, src, dst, pitch;
2852 const uint8_t *msk = dp->rd_cursor.rc_mask;
2853 const uint8_t *img = dp->rd_cursor.rc_image;
2854
2855 /*
2856 * Radeon cursor data interleaves one line of AND data followed
2857 * by a line of XOR data. (Each line corresponds to a whole hardware
2858 * pitch - i.e. 64 pixels or 8 bytes.)
2859 *
2860 * The cursor is displayed using the following table:
2861 *
2862 * AND XOR Result
2863 * ----------------------
2864 * 0 0 Cursor color 0
2865 * 0 1 Cursor color 1
2866 * 1 0 Transparent
2867 * 1 1 Complement of background
2868 *
2869 * Our masks are therefore different from what we were passed.
2870 * Passed in, I'm assuming the data represents either color 0 or 1,
2871 * and a mask, so the passed in table looks like:
2872 *
2873 * IMG Mask Result
2874 * -----------------------
2875 * 0 0 Transparent
2876 * 0 1 Cursor color 0
2877 * 1 0 Transparent
2878 * 1 1 Cursor color 1
2879 *
2880 * IF mask bit == 1, AND = 0, XOR = color.
2881 * IF mask bit == 0, AND = 1, XOR = 0.
2882 *
2883 * hence: AND = ~(mask); XOR = color & ~(mask);
2884 */
2885
2886 pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
2887
2888 /* start by assuming all bits are transparent */
2889 memset(and, 0xff, 512);
2890 memset(xor, 0x00, 512);
2891
2892 src = 0;
2893 dst = 0;
2894 for (i = 0; i < 64; i++) {
2895 for (j = 0; j < 64; j += 8) {
2896 if ((i < dp->rd_cursor.rc_size.y) &&
2897 (j < dp->rd_cursor.rc_size.x)) {
2898
2899 /* take care to leave odd bits alone */
2900 and[dst] &= ~(msk[src]);
2901 xor[dst] = img[src] & msk[src];
2902 src++;
2903 }
2904 dst++;
2905 }
2906 }
2907
2908 /* copy the image into place */
2909 for (i = 0; i < 64; i++) {
2910 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
2911 &and[i * 8], 8);
2912 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
2913 &xor[i * 8], 8);
2914 }
2915 }
2916
2917 static void
2918 radeonfb_cursor_position(struct radeonfb_display *dp)
2919 {
2920 struct radeonfb_softc *sc = dp->rd_softc;
2921 uint32_t offset, hvoff, hvpos; /* registers */
2922 uint32_t coff; /* cursor offset */
2923 int i, x, y, xoff, yoff, crtcoff;
2924
2925 /*
2926 * XXX: this also needs to handle pan/scan
2927 */
2928 for (i = 0; i < dp->rd_ncrtcs; i++) {
2929
2930 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
2931
2932 if (rcp->rc_number) {
2933 offset = RADEON_CUR2_OFFSET;
2934 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
2935 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
2936 crtcoff = RADEON_CRTC2_OFFSET;
2937 } else {
2938 offset = RADEON_CUR_OFFSET;
2939 hvoff = RADEON_CUR_HORZ_VERT_OFF;
2940 hvpos = RADEON_CUR_HORZ_VERT_POSN;
2941 crtcoff = RADEON_CRTC_OFFSET;
2942 }
2943
2944 x = dp->rd_cursor.rc_pos.x;
2945 y = dp->rd_cursor.rc_pos.y;
2946
2947 while (y < rcp->rc_yoffset) {
2948 rcp->rc_yoffset -= RADEON_PANINCREMENT;
2949 }
2950 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
2951 rcp->rc_yoffset += RADEON_PANINCREMENT;
2952 }
2953 while (x < rcp->rc_xoffset) {
2954 rcp->rc_xoffset -= RADEON_PANINCREMENT;
2955 }
2956 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
2957 rcp->rc_xoffset += RADEON_PANINCREMENT;
2958 }
2959
2960 /* adjust for the cursor's hotspot */
2961 x -= dp->rd_cursor.rc_hot.x;
2962 y -= dp->rd_cursor.rc_hot.y;
2963 xoff = yoff = 0;
2964
2965 if (x >= dp->rd_virtx)
2966 x = dp->rd_virtx - 1;
2967 if (y >= dp->rd_virty)
2968 y = dp->rd_virty - 1;
2969
2970 /* now adjust cursor so it is relative to viewport */
2971 x -= rcp->rc_xoffset;
2972 y -= rcp->rc_yoffset;
2973
2974 /*
2975 * no need to check for fall off, because we should
2976 * never move off the screen entirely!
2977 */
2978 coff = 0;
2979 if (x < 0) {
2980 xoff = -x;
2981 x = 0;
2982 }
2983 if (y < 0) {
2984 yoff = -y;
2985 y = 0;
2986 coff = (yoff * 2) * 8;
2987 }
2988
2989 /* pan the display */
2990 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
2991 rcp->rc_xoffset);
2992
2993 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
2994 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
2995 /* NB: this unlocks the cursor */
2996 PUT32(sc, hvpos, (x << 16) | y);
2997 }
2998 }
2999
3000 static void
3001 radeonfb_cursor_visible(struct radeonfb_display *dp)
3002 {
3003 int i;
3004 uint32_t gencntl, bit;
3005
3006 for (i = 0; i < dp->rd_ncrtcs; i++) {
3007 if (dp->rd_crtcs[i].rc_number) {
3008 gencntl = RADEON_CRTC2_GEN_CNTL;
3009 bit = RADEON_CRTC2_CUR_EN;
3010 } else {
3011 gencntl = RADEON_CRTC_GEN_CNTL;
3012 bit = RADEON_CRTC_CUR_EN;
3013 }
3014
3015 if (dp->rd_cursor.rc_visible)
3016 SET32(dp->rd_softc, gencntl, bit);
3017 else
3018 CLR32(dp->rd_softc, gencntl, bit);
3019 }
3020 }
3021
3022 static void
3023 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3024 {
3025 int i;
3026 uint32_t c0reg, c1reg;
3027 struct radeonfb_softc *sc = dp->rd_softc;
3028
3029 for (i = 0; i < dp->rd_ncrtcs; i++) {
3030 if (dp->rd_crtcs[i].rc_number) {
3031 c0reg = RADEON_CUR2_CLR0;
3032 c1reg = RADEON_CUR2_CLR1;
3033 } else {
3034 c0reg = RADEON_CUR_CLR0;
3035 c1reg = RADEON_CUR_CLR1;
3036 }
3037
3038 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3039 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3040 }
3041 }
3042
3043 static void
3044 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3045 {
3046 struct radeonfb_softc *sc;
3047 int i;
3048
3049 sc = dp->rd_softc;
3050 for (i = 0; i < dp->rd_ncrtcs; i++) {
3051 if (dp->rd_crtcs[i].rc_number) {
3052 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3053 } else {
3054 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3055 }
3056 }
3057
3058 if (which & WSDISPLAY_CURSOR_DOCMAP)
3059 radeonfb_cursor_cmap(dp);
3060
3061 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3062 radeonfb_cursor_shape(dp);
3063
3064 if (which & WSDISPLAY_CURSOR_DOCUR)
3065 radeonfb_cursor_visible(dp);
3066
3067 /* this one is unconditional, because it updates other stuff */
3068 radeonfb_cursor_position(dp);
3069 }
3070
3071 static struct videomode *
3072 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3073 {
3074 int r1, r2;
3075
3076 /* otherwise pick the higher refresh rate */
3077 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3078 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3079
3080 return (r1 < r2 ? m2 : m1);
3081 }
3082
3083 static const struct videomode *
3084 radeonfb_port_mode(struct radeonfb_port *rp, int x, int y)
3085 {
3086 struct edid_info *ep = &rp->rp_edid;
3087 struct videomode *vmp = NULL;
3088 int i;
3089
3090 if (!rp->rp_edid_valid) {
3091 /* fallback to safe mode */
3092 return radeonfb_modelookup(RADEON_DEFAULT_MODE);
3093 }
3094
3095 /* always choose the preferred mode first! */
3096 if (ep->edid_preferred_mode) {
3097
3098 /* XXX: add auto-stretching support for native mode */
3099
3100 /* this may want panning to occur, btw */
3101 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3102 (ep->edid_preferred_mode->vdisplay <= y))
3103 return ep->edid_preferred_mode;
3104 }
3105
3106 for (i = 0; i < ep->edid_nmodes; i++) {
3107 /*
3108 * We elect to pick a resolution that is too large for
3109 * the monitor than one that is too small. This means
3110 * that we will prefer to pan rather than to try to
3111 * center a smaller display on a larger screen. In
3112 * practice, this shouldn't matter because if a
3113 * monitor can support a larger resolution, it can
3114 * probably also support the smaller. A specific
3115 * exception is fixed format panels, but hopefully
3116 * they are properly dealt with by the "autostretch"
3117 * logic above.
3118 */
3119 if ((ep->edid_modes[i].hdisplay > x) ||
3120 (ep->edid_modes[i].vdisplay > y)) {
3121 continue;
3122 }
3123
3124 /*
3125 * at this point, the display mode is no larger than
3126 * what we've requested.
3127 */
3128 if (vmp == NULL)
3129 vmp = &ep->edid_modes[i];
3130
3131 /* eliminate smaller modes */
3132 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3133 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3134 continue;
3135
3136 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3137 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3138 vmp = &ep->edid_modes[i];
3139 continue;
3140 }
3141
3142 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3143 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3144
3145 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3146 }
3147
3148 return (vmp ? vmp : radeonfb_modelookup(RADEON_DEFAULT_MODE));
3149 }
3150
3151 static int
3152 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3153 {
3154 int i;
3155
3156 for (i = 0; i < nlist; i++) {
3157 if ((x == list[i].hdisplay) &&
3158 (y == list[i].vdisplay)) {
3159 return 1;
3160 }
3161 }
3162 return 0;
3163 }
3164
3165 static void
3166 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3167 int pan)
3168 {
3169 struct radeonfb_port *rp;
3170 struct edid_info *ep;
3171 int i, j;
3172
3173 *x = 0;
3174 *y = 0;
3175
3176 if (pan) {
3177 for (i = 0; i < dp->rd_ncrtcs; i++) {
3178 rp = dp->rd_crtcs[i].rc_port;
3179 ep = &rp->rp_edid;
3180 if (!rp->rp_edid_valid) {
3181 /* monitor not present */
3182 continue;
3183 }
3184
3185 /*
3186 * For now we are ignoring "conflict" that
3187 * could occur when mixing some modes like
3188 * 1280x1024 and 1400x800. It isn't clear
3189 * which is better, so the first one wins.
3190 */
3191 for (j = 0; j < ep->edid_nmodes; j++) {
3192 /*
3193 * ignore resolutions that are too big for
3194 * the radeon
3195 */
3196 if (ep->edid_modes[j].hdisplay >
3197 dp->rd_softc->sc_maxx)
3198 continue;
3199 if (ep->edid_modes[j].vdisplay >
3200 dp->rd_softc->sc_maxy)
3201 continue;
3202
3203 /*
3204 * pick largest resolution, the
3205 * smaller monitor will pan
3206 */
3207 if ((ep->edid_modes[j].hdisplay >= *x) &&
3208 (ep->edid_modes[j].vdisplay >= *y)) {
3209 *x = ep->edid_modes[j].hdisplay;
3210 *y = ep->edid_modes[j].vdisplay;
3211 }
3212 }
3213 }
3214
3215 } else {
3216 struct videomode modes[64];
3217 int nmodes = 0;
3218 int valid = 0;
3219
3220 for (i = 0; i < dp->rd_ncrtcs; i++) {
3221 /*
3222 * pick the largest resolution in common.
3223 */
3224 rp = dp->rd_crtcs[i].rc_port;
3225 ep = &rp->rp_edid;
3226
3227 if (!rp->rp_edid_valid)
3228 continue;
3229
3230 if (!valid) {
3231 /* initialize starting list */
3232 for (j = 0; j < ep->edid_nmodes; j++) {
3233 /*
3234 * ignore resolutions that are
3235 * too big for the radeon
3236 */
3237 if (ep->edid_modes[j].hdisplay >
3238 dp->rd_softc->sc_maxx)
3239 continue;
3240 if (ep->edid_modes[j].vdisplay >
3241 dp->rd_softc->sc_maxy)
3242 continue;
3243
3244 modes[nmodes] = ep->edid_modes[j];
3245 nmodes++;
3246 }
3247 valid = 1;
3248 } else {
3249 /* merge into preexisting list */
3250 for (j = 0; j < nmodes; j++) {
3251 if (!radeonfb_hasres(ep->edid_modes,
3252 ep->edid_nmodes,
3253 modes[j].hdisplay,
3254 modes[j].vdisplay)) {
3255 modes[j] = modes[nmodes];
3256 j--;
3257 nmodes--;
3258 }
3259 }
3260 }
3261 }
3262
3263 /* now we have to pick from the merged list */
3264 for (i = 0; i < nmodes; i++) {
3265 if ((modes[i].hdisplay >= *x) &&
3266 (modes[i].vdisplay >= *y)) {
3267 *x = modes[i].hdisplay;
3268 *y = modes[i].vdisplay;
3269 }
3270 }
3271 }
3272
3273 if ((*x == 0) || (*y == 0)) {
3274 /* fallback to safe mode */
3275 *x = 640;
3276 *y = 480;
3277 }
3278 }
3279