radeonfb.c revision 1.29 1 /* $NetBSD: radeonfb.c,v 1.29 2008/06/01 16:43:53 macallan 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 1.29 2008/06/01 16:43:53 macallan 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 <sys/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/pciio.h>
98 #include <dev/pci/radeonfbreg.h>
99 #include <dev/pci/radeonfbvar.h>
100 #include "opt_radeonfb.h"
101
102 static int radeonfb_match(struct device *, struct cfdata *, void *);
103 static void radeonfb_attach(struct device *, struct device *, void *);
104 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
105 struct lwp *);
106 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
107 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
108 static void radeonfb_loadbios(struct radeonfb_softc *,
109 struct pci_attach_args *);
110
111 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
112 uintmax_t);
113 static int radeonfb_getclocks(struct radeonfb_softc *);
114 static int radeonfb_gettmds(struct radeonfb_softc *);
115 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
116 uint32_t *, uint32_t *);
117 static int radeonfb_getconnectors(struct radeonfb_softc *);
118 static const struct videomode *radeonfb_modelookup(const char *);
119 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
120 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
121 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
122 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
123 static void radeonfb_modeswitch(struct radeonfb_display *);
124 static void radeonfb_setcrtc(struct radeonfb_display *, int);
125 static void radeonfb_init_misc(struct radeonfb_softc *);
126 static void radeonfb_set_fbloc(struct radeonfb_softc *);
127 static void radeonfb_init_palette(struct radeonfb_softc *, int);
128 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
129
130 static int radeonfb_isblank(struct radeonfb_display *);
131 static void radeonfb_blank(struct radeonfb_display *, int);
132 static int radeonfb_set_cursor(struct radeonfb_display *,
133 struct wsdisplay_cursor *);
134 static int radeonfb_set_curpos(struct radeonfb_display *,
135 struct wsdisplay_curpos *);
136
137 /* acceleration support */
138 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
139 int width, int height, uint32_t color);
140 static void radeonfb_bitblt(struct radeonfb_display *, int srcx, int srcy,
141 int dstx, int dsty, int width, int height, int rop, uint32_t mask);
142 static void radeonfb_feed_bytes(struct radeonfb_display *, int, uint8_t *);
143 static void radeonfb_setup_mono(struct radeonfb_display *, int, int, int,
144 int, uint32_t, uint32_t);
145
146 /* hw cursor support */
147 static void radeonfb_cursor_cmap(struct radeonfb_display *);
148 static void radeonfb_cursor_shape(struct radeonfb_display *);
149 static void radeonfb_cursor_position(struct radeonfb_display *);
150 static void radeonfb_cursor_visible(struct radeonfb_display *);
151 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
152
153 static void radeonfb_wait_fifo(struct radeonfb_softc *, int);
154 static void radeonfb_engine_idle(struct radeonfb_softc *);
155 static void radeonfb_engine_flush(struct radeonfb_softc *);
156 static void radeonfb_engine_reset(struct radeonfb_softc *);
157 static void radeonfb_engine_init(struct radeonfb_display *);
158 static inline void radeonfb_unclip(struct radeonfb_softc *);
159
160 static void radeonfb_eraserows(void *, int, int, long);
161 static void radeonfb_erasecols(void *, int, int, int, long);
162 static void radeonfb_copyrows(void *, int, int, int);
163 static void radeonfb_copycols(void *, int, int, int, int);
164 static void radeonfb_cursor(void *, int, int, int);
165 static void radeonfb_putchar(void *, int, int, unsigned, long);
166 static int radeonfb_allocattr(void *, int, int, int, long *);
167
168 static int radeonfb_get_backlight(struct radeonfb_display *);
169 static int radeonfb_set_backlight(struct radeonfb_display *, int);
170 static void radeonfb_lvds_callout(void *);
171
172 static struct videomode *radeonfb_best_refresh(struct videomode *,
173 struct videomode *);
174 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
175 uint16_t *, int);
176 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
177 struct radeonfb_port *, int, int);
178
179 static int radeonfb_drm_print(void *, const char *);
180
181 #ifdef RADEON_DEBUG
182 int radeon_debug = 1;
183 #define DPRINTF(x) \
184 if (radeon_debug) printf x
185 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
186 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
187 #else
188 #define DPRINTF(x)
189 #define PRINTREG(r)
190 #define PRINTPLL(r)
191 #endif
192
193 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
194
195 #ifndef RADEON_DEFAULT_MODE
196 /* any reasonably modern display should handle this */
197 #define RADEON_DEFAULT_MODE "1024x768x60"
198 #endif
199
200 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
201
202 static struct {
203 int size; /* minimum memory size (MB) */
204 int maxx; /* maximum x dimension */
205 int maxy; /* maximum y dimension */
206 int maxbpp; /* maximum bpp */
207 int maxdisp; /* maximum logical display count */
208 } radeonfb_limits[] = {
209 { 32, 2048, 1536, 32, 2 },
210 { 16, 1600, 1200, 32, 2 },
211 { 8, 1600, 1200, 32, 1 },
212 { 0, 0, 0, 0, 0 },
213 };
214
215 static struct wsscreen_descr radeonfb_stdscreen = {
216 "fb", /* name */
217 0, 0, /* ncols, nrows */
218 NULL, /* textops */
219 8, 16, /* fontwidth, fontheight */
220 WSSCREEN_WSCOLORS, /* capabilities */
221 0, /* modecookie */
222 };
223
224 struct wsdisplay_accessops radeonfb_accessops = {
225 radeonfb_ioctl,
226 radeonfb_mmap,
227 NULL, /* vcons_alloc_screen */
228 NULL, /* vcons_free_screen */
229 NULL, /* vcons_show_screen */
230 NULL, /* load_font */
231 NULL, /* pollc */
232 NULL, /* scroll */
233 };
234
235 static struct {
236 uint16_t devid;
237 uint16_t family;
238 uint16_t flags;
239 } radeonfb_devices[] =
240 {
241 /* R100 family */
242 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
243 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
244 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
245 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
246
247 /* RV100 family */
248 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
249 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
250 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
251 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
252
253 /* RS100 family */
254 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
255 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
256
257 /* RS200/RS250 family */
258 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
259 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
260 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
261 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
262
263 /* R200 family */
264 /* add more R200 products? , 5148 */
265 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
266 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
267 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
268 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
269 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
270
271 /* RV200 family */
272 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
273 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
274 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
275 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
276
277 /* RV250 family */
278 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
279 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
280 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
281 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
282 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
283
284 /* RS300 family */
285 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
286 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
287 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
288 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
289
290 /* RV280 family */
291 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
292 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
293 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
294 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
295 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
296 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
297 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
298
299 /* R300 family */
300 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
301 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
302 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
303 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
304 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
305 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
306 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
307 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
308
309 /* RV350/RV360 family */
310 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
311 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
312 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
313 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
314 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
315 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
316 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
317 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
318 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
319 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
320 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
321 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
322
323 /* R350/R360 family */
324 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
325 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
326 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
327 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
328 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
329 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
330 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
331 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
332
333 /* RV380/RV370 family */
334 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
335 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
336 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
337 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
338 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
339 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
340 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
341 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
342 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
343
344 /* R420/R423 family */
345 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
346 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
347 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
348 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
349 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
350 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
351 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
352 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
353 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
354 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
355 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
356 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
357 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
358 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
359 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
360 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
361 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
362
363 { 0, 0, 0 }
364 };
365
366 static struct {
367 int divider;
368 int mask;
369 } radeonfb_dividers[] = {
370 { 1, 0 },
371 { 2, 1 },
372 { 3, 4 },
373 { 4, 2 },
374 { 6, 6 },
375 { 8, 3 },
376 { 12, 7 },
377 { 0, 0 }
378 };
379
380 /*
381 * This table taken from X11.
382 */
383 static const struct {
384 int family;
385 struct radeon_tmds_pll plls[4];
386 } radeonfb_tmds_pll[] = {
387 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
388 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
389 { RADEON_RS100, {{0, 0}}},
390 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
391 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
392 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
393 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
394 { RADEON_RS300, {{0, 0}}},
395 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
396 { RADEON_R300, {{-1, 0xb01cb}}},
397 { RADEON_R350, {{-1, 0xb01cb}}},
398 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
399 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
400 { RADEON_R420, {{-1, 0xb01cb}}},
401 };
402
403 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
404
405
406 CFATTACH_DECL(radeonfb, sizeof (struct radeonfb_softc),
407 radeonfb_match, radeonfb_attach, NULL, NULL);
408
409 static int
410 radeonfb_match(struct device *parent, struct cfdata *match, void *aux)
411 {
412 struct pci_attach_args *pa = aux;
413 int i;
414
415 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
416 return 0;
417
418 for (i = 0; radeonfb_devices[i].devid; i++) {
419 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
420 return 100; /* high to defeat VGA/VESA */
421 }
422
423 return 0;
424 }
425
426 static void
427 radeonfb_attach(struct device *parent, struct device *dev, void *aux)
428 {
429 struct radeonfb_softc *sc = (struct radeonfb_softc *)dev;
430 struct pci_attach_args *pa = aux;
431 const char *mptr;
432 bus_size_t bsz;
433 pcireg_t screg;
434 int i, j, fg, bg, ul;
435 uint32_t v;
436
437 sc->sc_id = pa->pa_id;
438 for (i = 0; radeonfb_devices[i].devid; i++) {
439 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
440 break;
441 }
442
443 pci_devinfo(sc->sc_id, pa->pa_class, 0, sc->sc_devinfo,
444 sizeof(sc->sc_devinfo));
445
446 aprint_naive("\n");
447 aprint_normal(": %s\n", sc->sc_devinfo);
448
449 DPRINTF((prop_dictionary_externalize(device_properties(dev))));
450
451 KASSERT(radeonfb_devices[i].devid != 0);
452 sc->sc_pt = pa->pa_tag;
453 sc->sc_iot = pa->pa_iot;
454 sc->sc_pc = pa->pa_pc;
455 sc->sc_family = radeonfb_devices[i].family;
456 sc->sc_flags = radeonfb_devices[i].flags;
457
458 /* enable memory and IO access */
459 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
460 screg |= PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
461 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
462
463 /*
464 * Some flags are general to entire chip families, and rather
465 * than clutter up the table with them, we go ahead and set
466 * them here.
467 */
468 switch (sc->sc_family) {
469 case RADEON_RS100:
470 case RADEON_RS200:
471 sc->sc_flags |= RFB_IGP | RFB_RV100;
472 break;
473
474 case RADEON_RV100:
475 case RADEON_RV200:
476 case RADEON_RV250:
477 case RADEON_RV280:
478 sc->sc_flags |= RFB_RV100;
479 break;
480
481 case RADEON_RS300:
482 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
483 break;
484
485 case RADEON_R300:
486 case RADEON_RV350:
487 case RADEON_R350:
488 case RADEON_RV380:
489 case RADEON_R420:
490 /* newer chips */
491 sc->sc_flags |= RFB_R300;
492 break;
493
494 case RADEON_R100:
495 sc->sc_flags |= RFB_NCRTC2;
496 break;
497 }
498
499 if ((sc->sc_family == RADEON_RV200) ||
500 (sc->sc_family == RADEON_RV250) ||
501 (sc->sc_family == RADEON_RV280) ||
502 (sc->sc_family == RADEON_RV350)) {
503 bool inverted = 0;
504 /* backlight level is linear */
505 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
506 prop_dictionary_get_bool(device_properties(&sc->sc_dev),
507 "backlight_level_reverted", &inverted);
508 if (inverted) {
509 DPRINTF(("nope, it's inverted\n"));
510 sc->sc_flags |= RFB_INV_BLIGHT;
511 }
512 } else
513 sc->sc_flags |= RFB_INV_BLIGHT;
514
515 /*
516 * XXX: to support true multihead, this must change.
517 */
518 sc->sc_ndisplays = 1;
519
520 /* XXX: */
521 if (!HAS_CRTC2(sc)) {
522 sc->sc_ndisplays = 1;
523 }
524
525 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
526 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
527 &sc->sc_regsz) != 0) {
528 aprint_error("%s: unable to map registers!\n", XNAME(sc));
529 goto error;
530 }
531
532 /* scratch register test... */
533 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
534 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
535 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
536 goto error;
537 }
538
539 PRINTREG(RADEON_BIOS_4_SCRATCH);
540 PRINTREG(RADEON_FP_GEN_CNTL);
541 PRINTREG(RADEON_FP2_GEN_CNTL);
542 PRINTREG(RADEON_TMDS_CNTL);
543 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
544 PRINTREG(RADEON_TMDS_PLL_CNTL);
545 PRINTREG(RADEON_LVDS_GEN_CNTL);
546 PRINTREG(RADEON_FP_HORZ_STRETCH);
547 PRINTREG(RADEON_FP_VERT_STRETCH);
548
549 /* XXX: RV100 specific */
550 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
551
552 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
553 RADEON_TMDS_TRANSMITTER_PLLEN,
554 RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
555
556 radeonfb_i2c_init(sc);
557
558 radeonfb_loadbios(sc, pa);
559
560 #ifdef RADEON_BIOS_INIT
561 if (radeonfb_bios_init(sc)) {
562 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
563 goto error;
564 }
565 #endif
566
567 if (radeonfb_getclocks(sc)) {
568 aprint_error("%s: Unable to get reference clocks from BIOS\n",
569 XNAME(sc));
570 goto error;
571 }
572
573 if (radeonfb_gettmds(sc)) {
574 aprint_error("%s: Unable to identify TMDS PLL settings\n",
575 XNAME(sc));
576 goto error;
577 }
578
579 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
580 "minpll = %d, maxpll = %d\n", XNAME(sc),
581 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
582 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
583
584 radeonfb_getconnectors(sc);
585
586 radeonfb_set_fbloc(sc);
587
588 for (i = 0; radeonfb_limits[i].size; i++) {
589 if (sc->sc_memsz >= radeonfb_limits[i].size) {
590 sc->sc_maxx = radeonfb_limits[i].maxx;
591 sc->sc_maxy = radeonfb_limits[i].maxy;
592 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
593 /* framebuffer offset, start at a 4K page */
594 sc->sc_fboffset = sc->sc_memsz /
595 radeonfb_limits[i].maxdisp;
596 /*
597 * we use the fbsize to figure out where we can store
598 * things like cursor data.
599 */
600 sc->sc_fbsize =
601 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
602 RADEON_STRIDEALIGN) * sc->sc_maxy,
603 4096);
604 break;
605 }
606 }
607
608
609 radeonfb_init_misc(sc);
610 radeonfb_init_palette(sc, 0);
611 if (HAS_CRTC2(sc))
612 radeonfb_init_palette(sc, 1);
613
614 /* program the DAC wirings */
615 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
616 switch (sc->sc_ports[i].rp_dac_type) {
617 case RADEON_DAC_PRIMARY:
618 PATCH32(sc, RADEON_DAC_CNTL2,
619 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
620 ~RADEON_DAC2_DAC_CLK_SEL);
621 break;
622 case RADEON_DAC_TVDAC:
623 /* we always use the TVDAC to drive a secondary analog
624 * CRT for now. if we ever support TV-out this will
625 * have to change.
626 */
627 SET32(sc, RADEON_DAC_CNTL2,
628 RADEON_DAC2_DAC2_CLK_SEL);
629 PATCH32(sc, RADEON_DISP_HW_DEBUG,
630 i ? 0 : RADEON_CRT2_DISP1_SEL,
631 ~RADEON_CRT2_DISP1_SEL);
632 break;
633 }
634 }
635 PRINTREG(RADEON_DAC_CNTL2);
636 PRINTREG(RADEON_DISP_HW_DEBUG);
637
638 /* other DAC programming */
639 v = GET32(sc, RADEON_DAC_CNTL);
640 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
641 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
642 PUT32(sc, RADEON_DAC_CNTL, v);
643 PRINTREG(RADEON_DAC_CNTL);
644
645 /* XXX: this may need more investigation */
646 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
647 PRINTREG(RADEON_TV_DAC_CNTL);
648
649 /* enable TMDS */
650 SET32(sc, RADEON_FP_GEN_CNTL,
651 RADEON_FP_TMDS_EN |
652 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
653 RADEON_FP_CRTC_DONT_SHADOW_HEND);
654 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
655 if (HAS_CRTC2(sc))
656 SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
657
658 /*
659 * we use bus_space_map instead of pci_mapreg, because we don't
660 * need the full aperature space. no point in wasting virtual
661 * address space we don't intend to use, right?
662 */
663 if ((sc->sc_memsz < (4096 * 1024)) ||
664 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
665 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
666 (bsz < sc->sc_memsz)) {
667 sc->sc_memsz = 0;
668 aprint_error("%s: Bad frame buffer configuration\n",
669 XNAME(sc));
670 goto error;
671 }
672
673 /* 64 MB should be enough -- more just wastes map entries */
674 if (sc->sc_memsz > (64 << 20))
675 sc->sc_memsz = (64 << 20);
676
677 sc->sc_memt = pa->pa_memt;
678 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
679 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
680 sc->sc_memsz = 0;
681 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
682 goto error;
683 }
684
685 aprint_normal("%s: %d MB aperture at 0x%08x, "
686 "%d KB registers at 0x%08x\n", XNAME(sc),
687 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
688 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
689
690 /* setup default video mode from devprop (allows PROM override) */
691 sc->sc_defaultmode = radeonfb_default_mode;
692 if (prop_dictionary_get_cstring_nocopy(device_properties(&sc->sc_dev),
693 "videomode", &mptr)) {
694
695 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
696 sc->sc_defaultmode = sc->sc_modebuf;
697 }
698
699 /* initialize some basic display parameters */
700 for (i = 0; i < sc->sc_ndisplays; i++) {
701 struct radeonfb_display *dp = &sc->sc_displays[i];
702 struct rasops_info *ri;
703 long defattr;
704 struct wsemuldisplaydev_attach_args aa;
705
706 /*
707 * Figure out how many "displays" (desktops) we are going to
708 * support. If more than one, then each CRTC gets its own
709 * programming.
710 *
711 * XXX: this code needs to change to support mergedfb.
712 * XXX: would be nice to allow this to be overridden
713 */
714 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
715 DPRINTF(("dual crtcs!\n"));
716 dp->rd_ncrtcs = 2;
717 dp->rd_crtcs[0].rc_number = 0;
718 dp->rd_crtcs[1].rc_number = 1;
719 } else {
720 dp->rd_ncrtcs = 1;
721 dp->rd_crtcs[0].rc_number = i;
722 }
723
724 /* set up port pointer */
725 for (j = 0; j < dp->rd_ncrtcs; j++) {
726 dp->rd_crtcs[j].rc_port =
727 &sc->sc_ports[dp->rd_crtcs[j].rc_number];
728 }
729
730 dp->rd_softc = sc;
731 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
732 dp->rd_bg = WS_DEFAULT_BG;
733 #if 0
734 dp->rd_bpp = sc->sc_maxbpp; /* XXX: for now */
735 #else
736 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
737 #endif
738 /* for text mode, we pick a resolution that won't
739 * require panning */
740 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
741
742 aprint_normal("%s: display %d: "
743 "initial virtual resolution %dx%d at %d bpp\n",
744 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
745
746 /* now select the *video mode* that we will use */
747 for (j = 0; j < dp->rd_ncrtcs; j++) {
748 const struct videomode *vmp;
749 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
750 dp->rd_virtx, dp->rd_virty);
751
752 /*
753 * virtual resolution should be at least as high as
754 * physical
755 */
756 if (dp->rd_virtx < vmp->hdisplay ||
757 dp->rd_virty < vmp->vdisplay) {
758 dp->rd_virtx = vmp->hdisplay;
759 dp->rd_virty = vmp->vdisplay;
760 }
761
762 dp->rd_crtcs[j].rc_videomode = *vmp;
763 printf("%s: port %d: physical %dx%d %dHz\n",
764 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
765 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
766 vmp->htotal), vmp->vtotal));
767 }
768
769 /* N.B.: radeon wants 64-byte aligned stride */
770 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
771 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
772
773 dp->rd_offset = sc->sc_fboffset * i;
774 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
775 sc->sc_memh) + dp->rd_offset;
776 dp->rd_curoff = sc->sc_fbsize;
777 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
778
779 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
780
781 switch (dp->rd_bpp) {
782 case 8:
783 dp->rd_format = 2;
784 break;
785 case 32:
786 dp->rd_format = 6;
787 break;
788 default:
789 aprint_error("%s: bad depth %d\n", XNAME(sc),
790 dp->rd_bpp);
791 goto error;
792 }
793
794 printf("init engine\n");
795 /* XXX: this seems suspicious - per display engine
796 initialization? */
797 radeonfb_engine_init(dp);
798
799 /* copy the template into place */
800 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
801 dp->rd_wsscreens = dp->rd_wsscreens_storage;
802
803 /* and make up the list */
804 dp->rd_wsscreenlist.nscreens = 1;
805 dp->rd_wsscreenlist.screens =
806 (const struct wsscreen_descr **)&dp->rd_wsscreens;
807
808 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
809 &radeonfb_accessops);
810
811 dp->rd_vd.init_screen = radeonfb_init_screen;
812
813 dp->rd_console = 1;
814
815 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
816
817
818 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
819 dp->rd_console, &defattr);
820
821 ri = &dp->rd_vscreen.scr_ri;
822
823 /* clear the screen */
824 rasops_unpack_attr(defattr, &fg, &bg, &ul);
825 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
826 ri->ri_devcmap[bg & 0xf]);
827
828 dp->rd_wsscreens->textops = &ri->ri_ops;
829 dp->rd_wsscreens->capabilities = ri->ri_caps;
830 dp->rd_wsscreens->nrows = ri->ri_rows;
831 dp->rd_wsscreens->ncols = ri->ri_cols;
832
833 #ifdef SPLASHSCREEN
834 dp->rd_splash.si_depth = ri->ri_depth;
835 dp->rd_splash.si_bits = ri->ri_bits;
836 dp->rd_splash.si_hwbits = ri->ri_hwbits;
837 dp->rd_splash.si_width = ri->ri_width;
838 dp->rd_splash.si_height = ri->ri_height;
839 dp->rd_splash.si_stride = ri->ri_stride;
840 dp->rd_splash.si_fillrect = NULL;
841 #endif
842 if (dp->rd_console) {
843
844 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
845 defattr);
846 #ifdef SPLASHSCREEN
847 splash_render(&dp->rd_splash,
848 SPLASH_F_CENTER|SPLASH_F_FILL);
849 #endif
850
851 #ifdef SPLASHSCREEN_PROGRESS
852 dp->rd_progress.sp_top = (dp->rd_virty / 8) * 7;
853 dp->rd_progress.sp_width = (dp->rd_virtx / 4) * 3;
854 dp->rd_progress.sp_left = (dp->rd_virtx -
855 dp->rd_progress.sp_width) / 2;
856 dp->rd_progress.sp_height = 20;
857 dp->rd_progress.sp_state = -1;
858 dp->rd_progress.sp_si = &dp->rd_splash;
859 splash_progress_init(&dp->rd_progress);
860 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
861 #endif
862
863 } else {
864
865 /*
866 * since we're not the console we can postpone
867 * the rest until someone actually allocates a
868 * screen for us. but we do clear the screen
869 * at least.
870 */
871 memset(ri->ri_bits, 0, 1024);
872
873 radeonfb_modeswitch(dp);
874 #ifdef SPLASHSCREEN
875 splash_render(&dp->rd_splash,
876 SPLASH_F_CENTER|SPLASH_F_FILL);
877 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
878 #endif
879 }
880
881 aa.console = dp->rd_console;
882 aa.scrdata = &dp->rd_wsscreenlist;
883 aa.accessops = &radeonfb_accessops;
884 aa.accesscookie = &dp->rd_vd;
885
886 config_found(&sc->sc_dev, &aa, wsemuldisplaydevprint);
887 radeonfb_blank(dp, 0);
888
889 /* Initialise delayed lvds operations for backlight. */
890 callout_init(&dp->rd_bl_lvds_co, 0);
891 callout_setfunc(&dp->rd_bl_lvds_co,
892 radeonfb_lvds_callout, dp);
893 }
894
895 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
896
897 return;
898
899 error:
900 if (sc->sc_biossz)
901 free(sc->sc_bios, M_DEVBUF);
902
903 if (sc->sc_regsz)
904 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
905
906 if (sc->sc_memsz)
907 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
908 }
909
910 static int
911 radeonfb_drm_print(void *aux, const char *pnp)
912 {
913 if (pnp)
914 aprint_normal("drm at %s", pnp);
915 return (UNCONF);
916 }
917
918 int
919 radeonfb_ioctl(void *v, void *vs,
920 unsigned long cmd, void *d, int flag, struct lwp *l)
921 {
922 struct vcons_data *vd;
923 struct radeonfb_display *dp;
924 struct radeonfb_softc *sc;
925 struct wsdisplay_param *param;
926
927 vd = (struct vcons_data *)v;
928 dp = (struct radeonfb_display *)vd->cookie;
929 sc = dp->rd_softc;
930
931 switch (cmd) {
932 case WSDISPLAYIO_GTYPE:
933 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
934 return 0;
935
936 case WSDISPLAYIO_GINFO:
937 if (vd->active != NULL) {
938 struct wsdisplay_fbinfo *fb;
939 fb = (struct wsdisplay_fbinfo *)d;
940 fb->width = dp->rd_virtx;
941 fb->height = dp->rd_virty;
942 fb->depth = dp->rd_bpp;
943 fb->cmsize = 256;
944 return 0;
945 } else
946 return ENODEV;
947 case WSDISPLAYIO_GVIDEO:
948 if (radeonfb_isblank(dp))
949 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
950 else
951 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
952 return 0;
953
954 case WSDISPLAYIO_SVIDEO:
955 radeonfb_blank(dp,
956 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
957 return 0;
958
959 case WSDISPLAYIO_GETCMAP:
960 #if 0
961 if (dp->rd_bpp == 8)
962 return radeonfb_getcmap(sc,
963 (struct wsdisplay_cmap *)d);
964 #endif
965 return EINVAL;
966
967 case WSDISPLAYIO_PUTCMAP:
968 #if 0
969 if (dp->rd_bpp == 8)
970 return radeonfb_putcmap(sc,
971 (struct wsdisplay_cmap *)d);
972 #endif
973 return EINVAL;
974
975 case WSDISPLAYIO_LINEBYTES:
976 *(unsigned *)d = dp->rd_stride;
977 return 0;
978
979 case WSDISPLAYIO_SMODE:
980 if (*(int *)d != dp->rd_wsmode) {
981 dp->rd_wsmode = *(int *)d;
982 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
983 (dp->rd_vd.active)) {
984 radeonfb_engine_init(dp);
985 radeonfb_modeswitch(dp);
986 vcons_redraw_screen(dp->rd_vd.active);
987 }
988 }
989 return 0;
990
991 case WSDISPLAYIO_GCURMAX:
992 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
993 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
994 return 0;
995
996 case WSDISPLAYIO_SCURSOR:
997 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
998
999 case WSDISPLAYIO_GCURSOR:
1000 return EPASSTHROUGH;
1001
1002 case WSDISPLAYIO_GCURPOS:
1003 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1004 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1005 return 0;
1006
1007 case WSDISPLAYIO_SCURPOS:
1008 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1009
1010 case WSDISPLAYIO_SSPLASH:
1011 #if defined(SPLASHSCREEN)
1012 if (*(int *)d == 1) {
1013 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1014 splash_render(&dp->rd_splash,
1015 SPLASH_F_CENTER|SPLASH_F_FILL);
1016 } else
1017 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1018 return 0;
1019 #else
1020 return ENODEV;
1021 #endif
1022 case WSDISPLAYIO_SPROGRESS:
1023 #if defined(SPLASHSCREEN) && defined(SPLASHSCREEN_PROGRESS)
1024 dp->rd_progress.sp_force = 1;
1025 splash_progress_update(&dp->rd_progress);
1026 dp->rd_progress.sp_force = 0;
1027 return 0;
1028 #else
1029 return ENODEV;
1030 #endif
1031 case WSDISPLAYIO_GETPARAM:
1032 param = (struct wsdisplay_param *)d;
1033 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1034 param->min = 0;
1035 param->max = RADEONFB_BACKLIGHT_MAX;
1036 param->curval = radeonfb_get_backlight(dp);
1037 return 0;
1038 }
1039 return EPASSTHROUGH;
1040
1041 case WSDISPLAYIO_SETPARAM:
1042 param = (struct wsdisplay_param *)d;
1043 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1044 return radeonfb_set_backlight(dp, param->curval);
1045 }
1046 return EPASSTHROUGH;
1047
1048 /* PCI config read/write passthrough. */
1049 case PCI_IOC_CFGREAD:
1050 case PCI_IOC_CFGWRITE:
1051 return (pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l));
1052
1053 default:
1054 return EPASSTHROUGH;
1055 }
1056 }
1057
1058 paddr_t
1059 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1060 {
1061 struct vcons_data *vd;
1062 struct radeonfb_display *dp;
1063 struct radeonfb_softc *sc;
1064 #ifdef RADEONFB_MMAP_BARS
1065 struct lwp *me;
1066 #endif
1067 paddr_t pa;
1068
1069 vd = (struct vcons_data *)v;
1070 dp = (struct radeonfb_display *)vd->cookie;
1071 sc = dp->rd_softc;
1072
1073 /* XXX: note that we don't allow mapping of registers right now */
1074 /* XXX: this means that the XFree86 radeon driver won't work */
1075
1076 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1077 pa = bus_space_mmap(sc->sc_memt,
1078 sc->sc_memaddr + dp->rd_offset + offset, 0,
1079 prot, BUS_SPACE_MAP_LINEAR);
1080 return pa;
1081 }
1082
1083 #ifdef RADEONFB_MMAP_BARS
1084 /*
1085 * restrict all other mappings to processes with superuser privileges
1086 * or the kernel itself
1087 */
1088 me = curlwp;
1089 if (me != NULL) {
1090 if (kauth_authorize_generic(me->l_cred, KAUTH_GENERIC_ISSUSER,
1091 NULL) != 0) {
1092 aprint_error_dev(&sc->sc_dev, "mmap() rejected.\n");
1093 return -1;
1094 }
1095 }
1096
1097 if ((offset >= sc->sc_regaddr) &&
1098 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1099 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1100 BUS_SPACE_MAP_LINEAR);
1101 }
1102
1103 if ((offset >= sc->sc_memaddr) &&
1104 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1105 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1106 BUS_SPACE_MAP_LINEAR);
1107 }
1108
1109 #ifdef PCI_MAGIC_IO_RANGE
1110 /* allow mapping of IO space */
1111 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1112 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1113 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1114 0, prot, 0);
1115 return pa;
1116 }
1117 #endif /* macppc */
1118
1119 #endif /* RADEONFB_MMAP_BARS */
1120
1121 return -1;
1122 }
1123
1124 static void
1125 radeonfb_loadbios(struct radeonfb_softc *sc, struct pci_attach_args *pa)
1126 {
1127 bus_space_tag_t romt;
1128 bus_space_handle_t romh, biosh;
1129 bus_size_t romsz;
1130 bus_addr_t ptr;
1131
1132 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1133 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1134 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1135 return;
1136 }
1137
1138 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1139 &sc->sc_biossz);
1140 if (sc->sc_biossz == 0) {
1141 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1142 return;
1143 }
1144
1145 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1146 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1147
1148 /* unmap the PCI expansion rom */
1149 bus_space_unmap(romt, romh, romsz);
1150
1151 /* turn off rom decoder now */
1152 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1153 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1154 ~PCI_MAPREG_ROM_ENABLE);
1155
1156 ptr = GETBIOS16(sc, 0x48);
1157 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1158 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1159 sc->sc_flags |= RFB_ATOM;
1160 }
1161
1162 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1163 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1164 }
1165
1166
1167 uint32_t
1168 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1169 {
1170
1171 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1172 }
1173
1174 void
1175 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1176 {
1177
1178 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1179 }
1180
1181 void
1182 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1183 uint32_t andmask, uint32_t ormask)
1184 {
1185 int s;
1186 uint32_t val;
1187
1188 s = splhigh();
1189 val = radeonfb_get32(sc, reg);
1190 val = (val & andmask) | ormask;
1191 radeonfb_put32(sc, reg, val);
1192 splx(s);
1193 }
1194
1195 uint32_t
1196 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1197 {
1198 int s;
1199 uint32_t val;
1200
1201 s = splhigh();
1202 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1203 val = radeonfb_get32(sc, RADEON_MM_DATA);
1204 splx(s);
1205
1206 return (val);
1207 }
1208
1209 void
1210 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1211 {
1212 int s;
1213
1214 s = splhigh();
1215 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1216 radeonfb_put32(sc, RADEON_MM_DATA, val);
1217 splx(s);
1218 }
1219
1220 void
1221 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1222 uint32_t andmask, uint32_t ormask)
1223 {
1224 int s;
1225 uint32_t val;
1226
1227 s = splhigh();
1228 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1229 val = radeonfb_get32(sc, RADEON_MM_DATA);
1230 val = (val & andmask) | ormask;
1231 radeonfb_put32(sc, RADEON_MM_DATA, val);
1232 splx(s);
1233 }
1234
1235 uint32_t
1236 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1237 {
1238 int s;
1239 uint32_t val;
1240
1241 s = splhigh();
1242 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
1243 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1244 if (HAS_R300CG(sc))
1245 radeonfb_r300cg_workaround(sc);
1246 splx(s);
1247
1248 return (val);
1249 }
1250
1251 void
1252 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1253 {
1254 int s;
1255
1256 s = splhigh();
1257 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1258 RADEON_PLL_WR_EN);
1259 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1260 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1261 splx(s);
1262 }
1263
1264 void
1265 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1266 uint32_t andmask, uint32_t ormask)
1267 {
1268 int s;
1269 uint32_t val;
1270
1271 s = splhigh();
1272 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1273 RADEON_PLL_WR_EN);
1274 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1275 val = (val & andmask) | ormask;
1276 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1277 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1278 splx(s);
1279 }
1280
1281 int
1282 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1283 {
1284 uint32_t saved;
1285
1286 saved = GET32(sc, reg);
1287 PUT32(sc, reg, v);
1288 if (GET32(sc, reg) != v) {
1289 return -1;
1290 }
1291 PUT32(sc, reg, saved);
1292 return 0;
1293 }
1294
1295 uintmax_t
1296 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1297 uintmax_t defval)
1298 {
1299 prop_number_t pn;
1300 pn = prop_dictionary_get(device_properties(&sc->sc_dev), name);
1301 if (pn == NULL) {
1302 return defval;
1303 }
1304 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1305 return (prop_number_integer_value(pn));
1306 }
1307
1308 int
1309 radeonfb_getclocks(struct radeonfb_softc *sc)
1310 {
1311 bus_addr_t ptr;
1312 int refclk = 0;
1313 int refdiv = 0;
1314 int minpll = 0;
1315 int maxpll = 0;
1316
1317 /* load initial property values if port/board provides them */
1318 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1319 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1320 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1321 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1322
1323 if (refclk && refdiv && minpll && maxpll)
1324 goto dontprobe;
1325
1326 if (!sc->sc_biossz) {
1327 /* no BIOS */
1328 aprint_verbose("%s: No video BIOS, using default clocks\n",
1329 XNAME(sc));
1330 if (IS_IGP(sc))
1331 refclk = refclk ? refclk : 1432;
1332 else
1333 refclk = refclk ? refclk : 2700;
1334 refdiv = refdiv ? refdiv : 12;
1335 minpll = minpll ? minpll : 12500;
1336 maxpll = maxpll ? maxpll : 35000;
1337 } else if (IS_ATOM(sc)) {
1338 /* ATOM BIOS */
1339 ptr = GETBIOS16(sc, 0x48);
1340 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1341 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1342 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1343 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1344 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1345 /*
1346 * ATOM BIOS doesn't supply a reference divider, so we
1347 * have to probe for it.
1348 */
1349 if (refdiv < 2)
1350 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1351 RADEON_PPLL_REF_DIV_MASK;
1352 /*
1353 * if probe is zero, just assume one that should work
1354 * for most parts
1355 */
1356 if (refdiv < 2)
1357 refdiv = 12;
1358
1359 } else {
1360 /* Legacy BIOS */
1361 ptr = GETBIOS16(sc, 0x48);
1362 ptr = GETBIOS16(sc, ptr + 0x30);
1363 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1364 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1365 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1366 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1367 }
1368
1369
1370 dontprobe:
1371 sc->sc_refclk = refclk * 10;
1372 sc->sc_refdiv = refdiv;
1373 sc->sc_minpll = minpll * 10;
1374 sc->sc_maxpll = maxpll * 10;
1375 return 0;
1376 }
1377
1378 int
1379 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1380 uint32_t *postdivbit, uint32_t *feedbackdiv)
1381 {
1382 int i;
1383 uint32_t outfreq;
1384 int div;
1385
1386 DPRINTF(("dot clock: %u\n", dotclock));
1387 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1388 outfreq = div * dotclock;
1389 if ((outfreq >= sc->sc_minpll) &&
1390 (outfreq <= sc->sc_maxpll)) {
1391 DPRINTF(("outfreq: %u\n", outfreq));
1392 *postdivbit =
1393 ((uint32_t)radeonfb_dividers[i].mask << 16);
1394 DPRINTF(("post divider: %d (mask %x)\n", div,
1395 *postdivbit));
1396 break;
1397 }
1398 }
1399
1400 if (div == 0)
1401 return 1;
1402
1403 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1404 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1405 return 0;
1406 }
1407
1408 #if 0
1409 #ifdef RADEON_DEBUG
1410 static void
1411 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1412 {
1413 char asc[17];
1414 unsigned ptr = (unsigned)buffer;
1415 char *start = (char *)(ptr & ~0xf);
1416 char *end = (char *)(ptr + size);
1417
1418 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1419
1420 if (pfx == NULL) {
1421 pfx = "";
1422 }
1423
1424 while (start < end) {
1425 unsigned offset = (unsigned)start & 0xf;
1426 if (offset == 0) {
1427 printf("%s%x: ", pfx, (unsigned)start);
1428 }
1429 if (((unsigned)start < ptr) ||
1430 ((unsigned)start >= (ptr + size))) {
1431 printf(" ");
1432 asc[offset] = ' ';
1433 } else {
1434 printf("%02x", *(unsigned char *)start);
1435 if ((*start >= ' ') && (*start <= '~')) {
1436 asc[offset] = *start;
1437 } else {
1438 asc[offset] = '.';
1439 }
1440 }
1441 asc[offset + 1] = 0;
1442 if (offset % 2) {
1443 printf(" ");
1444 }
1445 if (offset == 15) {
1446 printf(" %s\n", asc);
1447 }
1448 start++;
1449 }
1450 }
1451 #endif
1452 #endif
1453
1454 int
1455 radeonfb_getconnectors(struct radeonfb_softc *sc)
1456 {
1457 int i;
1458 int found = 0;
1459
1460 for (i = 0; i < 2; i++) {
1461 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1462 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1463 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1464 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1465 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1466 }
1467
1468 /*
1469 * This logic is borrowed from Xorg's radeon driver.
1470 */
1471 if (!sc->sc_biossz)
1472 goto nobios;
1473
1474 if (IS_ATOM(sc)) {
1475 /* not done yet */
1476 } else {
1477 uint16_t ptr;
1478 int port = 0;
1479
1480 ptr = GETBIOS16(sc, 0x48);
1481 ptr = GETBIOS16(sc, ptr + 0x50);
1482 for (i = 1; i < 4; i++) {
1483 uint16_t entry;
1484 uint8_t conn, ddc, dac, tmds;
1485
1486 /*
1487 * Parse the connector table. From reading the code,
1488 * it appears to made up of 16-bit entries for each
1489 * connector. The 16-bits are defined as:
1490 *
1491 * bits 12-15 - connector type (0 == end of table)
1492 * bits 8-11 - DDC type
1493 * bits 5-7 - ???
1494 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1495 * bits 1-3 - ???
1496 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1497 */
1498 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1499 break;
1500 entry = GETBIOS16(sc, ptr + i * 2);
1501
1502 conn = (entry >> 12) & 0xf;
1503 ddc = (entry >> 8) & 0xf;
1504 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1505 RADEON_DAC_PRIMARY;
1506 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1507 RADEON_TMDS_INT;
1508
1509 if (conn == RADEON_CONN_NONE)
1510 continue; /* no connector */
1511
1512 if ((found > 0) &&
1513 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1514 /* duplicate entry for same connector */
1515 continue;
1516 }
1517
1518 /* internal DDC_DVI port gets priority */
1519 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1520 port = 0;
1521 else
1522 port = 1;
1523
1524 sc->sc_ports[port].rp_ddc_type =
1525 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1526 sc->sc_ports[port].rp_dac_type = dac;
1527 sc->sc_ports[port].rp_conn_type =
1528 min(conn, RADEON_CONN_UNSUPPORTED) ;
1529
1530 sc->sc_ports[port].rp_tmds_type = tmds;
1531
1532 if ((conn != RADEON_CONN_DVI_I) &&
1533 (conn != RADEON_CONN_DVI_D) &&
1534 (tmds == RADEON_TMDS_INT))
1535 sc->sc_ports[port].rp_tmds_type =
1536 RADEON_TMDS_UNKNOWN;
1537
1538 found += (port + 1);
1539 }
1540 }
1541
1542 nobios:
1543 if (!found) {
1544 DPRINTF(("No connector info in BIOS!\n"));
1545 /* default, port 0 = internal TMDS, port 1 = CRT */
1546 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1547 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1548 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1549 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1550 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1551
1552 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1553 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1554 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1555 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1556 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1557 }
1558
1559 /*
1560 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1561 * these chips should use TVDAC for the VGA port.
1562 */
1563 if (HAS_SDAC(sc)) {
1564 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1565 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1566 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1567 } else {
1568 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1569 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1570 }
1571 } else if (!HAS_CRTC2(sc)) {
1572 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1573 }
1574
1575 for (i = 0; i < 2; i++) {
1576 char edid[128];
1577 uint8_t ddc;
1578 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1579 prop_data_t edid_data;
1580
1581 DPRINTF(("Port #%d:\n", i));
1582 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1583 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1584 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1585 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1586
1587 sc->sc_ports[i].rp_edid_valid = 0;
1588 /* first look for static EDID data */
1589 if ((edid_data = prop_dictionary_get(device_properties(
1590 &sc->sc_dev), "EDID")) != NULL) {
1591
1592 aprint_normal_dev(&sc->sc_dev, "using static EDID\n");
1593 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1594 if (edid_parse(edid, eip) == 0) {
1595
1596 sc->sc_ports[i].rp_edid_valid = 1;
1597 }
1598 }
1599 /* if we didn't find any we'll try to talk to the monitor */
1600 if (sc->sc_ports[i].rp_edid_valid != 1) {
1601
1602 ddc = sc->sc_ports[i].rp_ddc_type;
1603 if (ddc != RADEON_DDC_NONE) {
1604 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1605 == 0) && (edid_parse(edid, eip) == 0)) {
1606
1607 sc->sc_ports[i].rp_edid_valid = 1;
1608 edid_print(eip);
1609 }
1610 }
1611 }
1612 }
1613
1614 return found;
1615 }
1616
1617 int
1618 radeonfb_gettmds(struct radeonfb_softc *sc)
1619 {
1620 int i;
1621
1622 if (!sc->sc_biossz) {
1623 goto nobios;
1624 }
1625
1626 if (IS_ATOM(sc)) {
1627 /* XXX: not done yet */
1628 } else {
1629 uint16_t ptr;
1630 int n;
1631
1632 ptr = GETBIOS16(sc, 0x48);
1633 ptr = GETBIOS16(sc, ptr + 0x34);
1634 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1635 if (GETBIOS8(sc, ptr) == 3) {
1636 /* revision three table */
1637 n = GETBIOS8(sc, ptr + 5) + 1;
1638 n = min(n, 4);
1639
1640 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1641 for (i = 0; i < n; i++) {
1642 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1643 ptr + i * 10 + 8);
1644 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1645 ptr + i * 10 + 0x10);
1646 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1647 sc->sc_tmds_pll[i].rtp_freq,
1648 sc->sc_tmds_pll[i].rtp_pll));
1649 }
1650 return 0;
1651 }
1652 }
1653
1654 nobios:
1655 DPRINTF(("no suitable DFP table present\n"));
1656 for (i = 0;
1657 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1658 i++) {
1659 int j;
1660
1661 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1662 continue;
1663
1664 for (j = 0; j < 4; j++) {
1665 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1666 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1667 sc->sc_tmds_pll[j].rtp_freq,
1668 sc->sc_tmds_pll[j].rtp_pll));
1669 }
1670 return 0;
1671 }
1672
1673 return -1;
1674 }
1675
1676 const struct videomode *
1677 radeonfb_modelookup(const char *name)
1678 {
1679 int i;
1680
1681 for (i = 0; i < videomode_count; i++)
1682 if (!strcmp(name, videomode_list[i].name))
1683 return &videomode_list[i];
1684
1685 return NULL;
1686 }
1687
1688 void
1689 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1690 {
1691 if (crtc) {
1692 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1693 RADEON_P2PLL_ATOMIC_UPDATE_R);
1694 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1695 } else {
1696 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1697 RADEON_PPLL_ATOMIC_UPDATE_R);
1698 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1699 }
1700 }
1701
1702 void
1703 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1704 {
1705 int i;
1706
1707 for (i = 10000; i; i--) {
1708 if (crtc) {
1709 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1710 RADEON_P2PLL_ATOMIC_UPDATE_R)
1711 break;
1712 } else {
1713 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1714 RADEON_PPLL_ATOMIC_UPDATE_R)
1715 break;
1716 }
1717 }
1718 }
1719
1720 void
1721 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1722 {
1723 uint32_t pbit = 0;
1724 uint32_t feed = 0;
1725 uint32_t data;
1726 #if 1
1727 int i;
1728 #endif
1729
1730 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1731
1732 if (crtc == 0) {
1733
1734 /* XXXX: mobility workaround missing */
1735 /* XXXX: R300 stuff missing */
1736
1737 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1738 RADEON_VCLK_SRC_SEL_CPUCLK,
1739 ~RADEON_VCLK_SRC_SEL_MASK);
1740
1741 /* put vclk into reset, use atomic updates */
1742 SETPLL(sc, RADEON_PPLL_CNTL,
1743 RADEON_PPLL_REFCLK_SEL |
1744 RADEON_PPLL_FBCLK_SEL |
1745 RADEON_PPLL_RESET |
1746 RADEON_PPLL_ATOMIC_UPDATE_EN |
1747 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1748
1749 /* select clock 3 */
1750 #if 0
1751 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
1752 ~RADEON_PLL_DIV_SEL);
1753 #else
1754 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1755 ~RADEON_PLL_DIV_SEL);
1756 #endif
1757
1758 /* XXX: R300 family -- program divider differently? */
1759
1760 /* program reference divider */
1761 PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
1762 ~RADEON_PPLL_REF_DIV_MASK);
1763 PRINTPLL(RADEON_PPLL_REF_DIV);
1764
1765 #if 0
1766 data = GETPLL(sc, RADEON_PPLL_DIV_3);
1767 data &= ~(RADEON_PPLL_FB3_DIV_MASK |
1768 RADEON_PPLL_POST3_DIV_MASK);
1769 data |= pbit;
1770 data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1771 PUTPLL(sc, RADEON_PPLL_DIV_3, data);
1772 #else
1773 for (i = 0; i < 4; i++) {
1774 }
1775 #endif
1776
1777 /* use the atomic update */
1778 radeonfb_pllwriteupdate(sc, crtc);
1779
1780 /* and wait for it to complete */
1781 radeonfb_pllwaitatomicread(sc, crtc);
1782
1783 /* program HTOTAL (why?) */
1784 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1785
1786 /* drop reset */
1787 CLRPLL(sc, RADEON_PPLL_CNTL,
1788 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
1789 RADEON_PPLL_ATOMIC_UPDATE_EN |
1790 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1791
1792 PRINTPLL(RADEON_PPLL_CNTL);
1793
1794 /* give clock time to lock */
1795 delay(50000);
1796
1797 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1798 RADEON_VCLK_SRC_SEL_PPLLCLK,
1799 ~RADEON_VCLK_SRC_SEL_MASK);
1800
1801 } else {
1802
1803 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1804 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
1805 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1806
1807 /* put vclk into reset, use atomic updates */
1808 SETPLL(sc, RADEON_P2PLL_CNTL,
1809 RADEON_P2PLL_RESET |
1810 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1811 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1812
1813 /* XXX: R300 family -- program divider differently? */
1814
1815 /* program reference divider */
1816 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
1817 ~RADEON_P2PLL_REF_DIV_MASK);
1818
1819 /* program feedback and post dividers */
1820 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
1821 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
1822 RADEON_P2PLL_POST0_DIV_MASK);
1823 data |= pbit;
1824 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
1825 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
1826
1827 /* use the atomic update */
1828 radeonfb_pllwriteupdate(sc, crtc);
1829
1830 /* and wait for it to complete */
1831 radeonfb_pllwaitatomicread(sc, crtc);
1832
1833 /* program HTOTAL (why?) */
1834 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
1835
1836 /* drop reset */
1837 CLRPLL(sc, RADEON_P2PLL_CNTL,
1838 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
1839 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1840 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1841
1842 /* allow time for clock to lock */
1843 delay(50000);
1844
1845 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1846 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
1847 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1848 }
1849 PRINTREG(RADEON_CRTC_MORE_CNTL);
1850 }
1851
1852 void
1853 radeonfb_modeswitch(struct radeonfb_display *dp)
1854 {
1855 struct radeonfb_softc *sc = dp->rd_softc;
1856 int i;
1857
1858 /* blank the display while we switch modes */
1859 //radeonfb_blank(dp, 1);
1860
1861 #if 0
1862 SET32(sc, RADEON_CRTC_EXT_CNTL,
1863 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1864 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1865 #endif
1866
1867 /* these registers might get in the way... */
1868 PUT32(sc, RADEON_OVR_CLR, 0);
1869 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
1870 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
1871 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
1872 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
1873 PUT32(sc, RADEON_VIPH_CONTROL, 0);
1874 PUT32(sc, RADEON_I2C_CNTL_1, 0);
1875 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
1876 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
1877 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
1878 PUT32(sc, RADEON_SURFACE_CNTL, 0);
1879
1880 for (i = 0; i < dp->rd_ncrtcs; i++)
1881 radeonfb_setcrtc(dp, i);
1882
1883 /* activate the display */
1884 //radeonfb_blank(dp, 0);
1885 }
1886
1887 void
1888 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
1889 {
1890 int crtc;
1891 struct videomode *mode;
1892 struct radeonfb_softc *sc;
1893 struct radeonfb_crtc *cp;
1894 uint32_t v;
1895 uint32_t gencntl;
1896 uint32_t htotaldisp;
1897 uint32_t hsyncstrt;
1898 uint32_t vtotaldisp;
1899 uint32_t vsyncstrt;
1900 uint32_t fphsyncstrt;
1901 uint32_t fpvsyncstrt;
1902 uint32_t fphtotaldisp;
1903 uint32_t fpvtotaldisp;
1904 uint32_t pitch;
1905
1906 sc = dp->rd_softc;
1907 cp = &dp->rd_crtcs[index];
1908 crtc = cp->rc_number;
1909 mode = &cp->rc_videomode;
1910
1911 #if 1
1912 pitch = (((dp->rd_virtx * dp->rd_bpp) + ((dp->rd_bpp * 8) - 1)) /
1913 (dp->rd_bpp * 8));
1914 #else
1915 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
1916 (sc->sc_maxbpp * 8));
1917 #endif
1918 //pitch = pitch | (pitch << 16);
1919
1920 switch (crtc) {
1921 case 0:
1922 gencntl = RADEON_CRTC_GEN_CNTL;
1923 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
1924 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
1925 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
1926 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
1927 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
1928 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
1929 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
1930 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
1931 break;
1932 case 1:
1933 gencntl = RADEON_CRTC2_GEN_CNTL;
1934 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
1935 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
1936 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
1937 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
1938 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
1939 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
1940 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
1941 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
1942 break;
1943 default:
1944 panic("Bad CRTC!");
1945 break;
1946 }
1947
1948 /*
1949 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
1950 */
1951 /* only bother with 32bpp and 8bpp */
1952 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
1953
1954 if (crtc == 1) {
1955 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
1956 } else {
1957 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
1958 }
1959
1960 if (mode->flags & VID_DBLSCAN)
1961 v |= RADEON_CRTC2_DBL_SCAN_EN;
1962
1963 if (mode->flags & VID_INTERLACE)
1964 v |= RADEON_CRTC2_INTERLACE_EN;
1965
1966 if (mode->flags & VID_CSYNC) {
1967 v |= RADEON_CRTC2_CSYNC_EN;
1968 if (crtc == 1)
1969 v |= RADEON_CRTC2_VSYNC_TRISTAT;
1970 }
1971
1972 PUT32(sc, gencntl, v);
1973 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
1974
1975 /*
1976 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
1977 */
1978 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
1979 if (crtc == 0) {
1980 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1981 RADEON_CRTC_DISPLAY_DIS);
1982 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
1983 if (mode->flags & VID_CSYNC)
1984 v |= RADEON_CRTC_VSYNC_TRISTAT;
1985 }
1986 /* unconditional turn on CRT, in case first CRTC is DFP */
1987 v |= RADEON_CRTC_CRT_ON;
1988 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
1989 PRINTREG(RADEON_CRTC_EXT_CNTL);
1990
1991 /*
1992 * H_TOTAL_DISP
1993 */
1994 v = ((mode->hdisplay / 8) - 1) << 16;
1995 v |= (mode->htotal / 8) - 1;
1996 PUT32(sc, htotaldisp, v);
1997 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
1998 PUT32(sc, fphtotaldisp, v);
1999 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2000
2001 /*
2002 * H_SYNC_STRT_WID
2003 */
2004 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2005 v |= mode->hsync_start;
2006 if (mode->flags & VID_NHSYNC)
2007 v |= RADEON_CRTC_H_SYNC_POL;
2008 PUT32(sc, hsyncstrt, v);
2009 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2010 PUT32(sc, fphsyncstrt, v);
2011 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2012
2013 /*
2014 * V_TOTAL_DISP
2015 */
2016 v = ((mode->vdisplay - 1) << 16);
2017 v |= (mode->vtotal - 1);
2018 PUT32(sc, vtotaldisp, v);
2019 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2020 PUT32(sc, fpvtotaldisp, v);
2021 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2022
2023 /*
2024 * V_SYNC_STRT_WID
2025 */
2026 v = ((mode->vsync_end - mode->vsync_start) << 16);
2027 v |= (mode->vsync_start - 1);
2028 if (mode->flags & VID_NVSYNC)
2029 v |= RADEON_CRTC_V_SYNC_POL;
2030 PUT32(sc, vsyncstrt, v);
2031 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2032 PUT32(sc, fpvsyncstrt, v);
2033 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2034
2035 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2036
2037 switch (crtc) {
2038 case 0:
2039 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2040 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2041 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2042 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2043
2044 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2045 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2046 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2047 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2048 PRINTREG(RADEON_CRTC_EXT_CNTL);
2049 PRINTREG(RADEON_CRTC_GEN_CNTL);
2050 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2051 break;
2052
2053 case 1:
2054 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2055 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2056 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2057 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2058 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2059 RADEON_CRTC2_VSYNC_DIS |
2060 RADEON_CRTC2_HSYNC_DIS |
2061 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2062 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2063 break;
2064 }
2065 }
2066
2067 int
2068 radeonfb_isblank(struct radeonfb_display *dp)
2069 {
2070 uint32_t reg, mask;
2071
2072 if (dp->rd_crtcs[0].rc_number) {
2073 reg = RADEON_CRTC2_GEN_CNTL;
2074 mask = RADEON_CRTC2_DISP_DIS;
2075 } else {
2076 reg = RADEON_CRTC_EXT_CNTL;
2077 mask = RADEON_CRTC_DISPLAY_DIS;
2078 }
2079 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2080 }
2081
2082 void
2083 radeonfb_blank(struct radeonfb_display *dp, int blank)
2084 {
2085 struct radeonfb_softc *sc = dp->rd_softc;
2086 uint32_t reg, mask;
2087 uint32_t fpreg, fpval;
2088 int i;
2089
2090 for (i = 0; i < dp->rd_ncrtcs; i++) {
2091
2092 if (dp->rd_crtcs[i].rc_number) {
2093 reg = RADEON_CRTC2_GEN_CNTL;
2094 mask = RADEON_CRTC2_DISP_DIS;
2095 fpreg = RADEON_FP2_GEN_CNTL;
2096 fpval = RADEON_FP2_ON;
2097 } else {
2098 reg = RADEON_CRTC_EXT_CNTL;
2099 mask = RADEON_CRTC_DISPLAY_DIS;
2100 fpreg = RADEON_FP_GEN_CNTL;
2101 fpval = RADEON_FP_FPON;
2102 }
2103
2104 if (blank) {
2105 SET32(sc, reg, mask);
2106 CLR32(sc, fpreg, fpval);
2107 } else {
2108 CLR32(sc, reg, mask);
2109 SET32(sc, fpreg, fpval);
2110 }
2111 }
2112 PRINTREG(RADEON_FP_GEN_CNTL);
2113 PRINTREG(RADEON_FP2_GEN_CNTL);
2114 }
2115
2116 void
2117 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2118 long *defattr)
2119 {
2120 struct radeonfb_display *dp = cookie;
2121 struct rasops_info *ri = &scr->scr_ri;
2122
2123 /* initialize font subsystem */
2124 wsfont_init();
2125
2126 DPRINTF(("init screen called, existing %d\n", existing));
2127
2128 ri->ri_depth = dp->rd_bpp;
2129 ri->ri_width = dp->rd_virtx;
2130 ri->ri_height = dp->rd_virty;
2131 ri->ri_stride = dp->rd_stride;
2132 ri->ri_flg = RI_CENTER;
2133 ri->ri_bits = (void *)dp->rd_fbptr;
2134
2135 /* XXX: 32 bpp only */
2136 /* this is rgb in "big-endian order..." */
2137 ri->ri_rnum = 8;
2138 ri->ri_gnum = 8;
2139 ri->ri_bnum = 8;
2140 ri->ri_rpos = 16;
2141 ri->ri_gpos = 8;
2142 ri->ri_bpos = 0;
2143
2144 if (existing) {
2145 ri->ri_flg |= RI_CLEAR;
2146
2147 /* start a modeswitch now */
2148 radeonfb_modeswitch(dp);
2149 }
2150
2151 /*
2152 * XXX: font selection should be based on properties, with some
2153 * normal/reasonable default.
2154 */
2155 ri->ri_caps = WSSCREEN_WSCOLORS;
2156
2157 /* initialize and look for an initial font */
2158 rasops_init(ri, dp->rd_virty/8, dp->rd_virtx/8);
2159
2160 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2161 dp->rd_virtx / ri->ri_font->fontwidth);
2162
2163 /* enable acceleration */
2164 ri->ri_ops.copyrows = radeonfb_copyrows;
2165 ri->ri_ops.copycols = radeonfb_copycols;
2166 ri->ri_ops.eraserows = radeonfb_eraserows;
2167 ri->ri_ops.erasecols = radeonfb_erasecols;
2168 ri->ri_ops.allocattr = radeonfb_allocattr;
2169 if (!IS_R300(dp->rd_softc)) {
2170 ri->ri_ops.putchar = radeonfb_putchar;
2171 }
2172 ri->ri_ops.cursor = radeonfb_cursor;
2173 }
2174
2175 void
2176 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2177 {
2178 uint32_t gen, ext, gen2 = 0;
2179 uint32_t agploc, aperbase, apersize, mcfbloc;
2180
2181 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2182 ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
2183 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2184 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2185 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2186
2187 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2188 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2189 //PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2190 //PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2191
2192 if (HAS_CRTC2(sc)) {
2193 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2194 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2195 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2196 }
2197
2198 delay(100000);
2199
2200 mcfbloc = (aperbase >> 16) |
2201 ((aperbase + (apersize - 1)) & 0xffff0000);
2202
2203 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2204 sc->sc_memsz = apersize;
2205
2206 if (((agploc & 0xffff) << 16) !=
2207 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2208 agploc = mcfbloc & 0xffff0000U;
2209 agploc |= ((agploc + 0x10000) >> 16);
2210 }
2211
2212 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2213
2214 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2215 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2216
2217 DPRINTF(("aperbase = %u\n", aperbase));
2218 PRINTREG(RADEON_MC_FB_LOCATION);
2219 PRINTREG(RADEON_MC_AGP_LOCATION);
2220
2221 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2222
2223 if (HAS_CRTC2(sc))
2224 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2225
2226 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2227
2228 #if 0
2229 /* XXX: what is this AGP garbage? :-) */
2230 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2231 #endif
2232
2233 delay(100000);
2234
2235 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2236 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2237
2238 if (HAS_CRTC2(sc))
2239 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2240 }
2241
2242 void
2243 radeonfb_init_misc(struct radeonfb_softc *sc)
2244 {
2245 PUT32(sc, RADEON_BUS_CNTL,
2246 RADEON_BUS_MASTER_DIS |
2247 RADEON_BUS_PREFETCH_MODE_ACT |
2248 RADEON_BUS_PCI_READ_RETRY_EN |
2249 RADEON_BUS_PCI_WRT_RETRY_EN |
2250 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2251 RADEON_BUS_MSTR_RD_MULT |
2252 RADEON_BUS_MSTR_RD_LINE |
2253 RADEON_BUS_RD_DISCARD_EN |
2254 RADEON_BUS_MSTR_DISCONNECT_EN |
2255 RADEON_BUS_READ_BURST);
2256
2257 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2258 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2259 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2260 PUT32(sc, RADEON_RBBM_CNTL,
2261 (3 << RADEON_RB_SETTLE_SHIFT) |
2262 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2263 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2264 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2265
2266 /* XXX: figure out what these mean! */
2267 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2268 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2269 //PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2270
2271 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2272 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2273 }
2274
2275 /*
2276 * This loads a linear color map for true color.
2277 */
2278 void
2279 radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
2280 {
2281 int i;
2282 uint32_t vclk;
2283
2284 #define DAC_WIDTH ((1 << 10) - 1)
2285 #define CLUT_WIDTH ((1 << 8) - 1)
2286 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2287
2288 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2289 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2290
2291 if (crtc)
2292 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2293 else
2294 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2295
2296 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2297 for (i = 0; i <= CLUT_WIDTH; ++i) {
2298 PUT32(sc, RADEON_PALETTE_30_DATA,
2299 (CLUT_COLOR(i) << 10) |
2300 (CLUT_COLOR(i) << 20) |
2301 (CLUT_COLOR(i)));
2302 }
2303
2304 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2305 PRINTREG(RADEON_DAC_CNTL2);
2306
2307 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2308 }
2309
2310 /*
2311 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2312 */
2313 void
2314 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2315 {
2316 uint32_t tmp, save;
2317
2318 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2319 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2320 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2321 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2322 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2323 }
2324
2325 /*
2326 * Acceleration entry points.
2327 */
2328 static void
2329 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2330 {
2331 struct rasops_info *ri = cookie;
2332 struct vcons_screen *scr = ri->ri_hw;
2333 struct radeonfb_display *dp = scr->scr_cookie;
2334 uint32_t x, y, w, h;
2335 uint32_t bg, fg;
2336 uint8_t *data;
2337
2338 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2339 return;
2340
2341 if (!CHAR_IN_FONT(c, ri->ri_font))
2342 return;
2343
2344 w = ri->ri_font->fontwidth;
2345 h = ri->ri_font->fontheight;
2346
2347 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2348 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2349
2350 x = ri->ri_xorigin + col * w;
2351 y = ri->ri_yorigin + row * h;
2352
2353 if (c == 0x20) {
2354 radeonfb_rectfill(dp, x, y, w, h, bg);
2355 } else {
2356 data = (uint8_t *)ri->ri_font->data +
2357 (c - ri->ri_font->firstchar) * ri->ri_fontscale;
2358
2359 radeonfb_setup_mono(dp, x, y, w, h, fg, bg);
2360 radeonfb_feed_bytes(dp, ri->ri_fontscale, data);
2361 }
2362 }
2363
2364 static void
2365 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2366 {
2367 struct rasops_info *ri = cookie;
2368 struct vcons_screen *scr = ri->ri_hw;
2369 struct radeonfb_display *dp = scr->scr_cookie;
2370 uint32_t x, y, w, h, fg, bg, ul;
2371
2372 /* XXX: check for full emulation mode? */
2373 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2374 x = ri->ri_xorigin;
2375 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2376 w = ri->ri_emuwidth;
2377 h = ri->ri_font->fontheight * nrows;
2378
2379 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2380 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2381 }
2382 }
2383
2384 static void
2385 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
2386 {
2387 struct rasops_info *ri = cookie;
2388 struct vcons_screen *scr = ri->ri_hw;
2389 struct radeonfb_display *dp = scr->scr_cookie;
2390 uint32_t x, ys, yd, w, h;
2391
2392 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2393 x = ri->ri_xorigin;
2394 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
2395 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
2396 w = ri->ri_emuwidth;
2397 h = ri->ri_font->fontheight * nrows;
2398 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
2399 RADEON_ROP3_S, 0xffffffff);
2400 }
2401 }
2402
2403 static void
2404 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
2405 {
2406 struct rasops_info *ri = cookie;
2407 struct vcons_screen *scr = ri->ri_hw;
2408 struct radeonfb_display *dp = scr->scr_cookie;
2409 uint32_t xs, xd, y, w, h;
2410
2411 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2412 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
2413 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
2414 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2415 w = ri->ri_font->fontwidth * ncols;
2416 h = ri->ri_font->fontheight;
2417 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
2418 RADEON_ROP3_S, 0xffffffff);
2419 }
2420 }
2421
2422 static void
2423 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
2424 long fillattr)
2425 {
2426 struct rasops_info *ri = cookie;
2427 struct vcons_screen *scr = ri->ri_hw;
2428 struct radeonfb_display *dp = scr->scr_cookie;
2429 uint32_t x, y, w, h, fg, bg, ul;
2430
2431 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2432 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
2433 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2434 w = ri->ri_font->fontwidth * ncols;
2435 h = ri->ri_font->fontheight;
2436
2437 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2438 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2439 }
2440 }
2441
2442 static void
2443 radeonfb_cursor(void *cookie, int on, int row, int col)
2444 {
2445 struct rasops_info *ri = cookie;
2446 struct vcons_screen *scr = ri->ri_hw;
2447 struct radeonfb_display *dp = scr->scr_cookie;
2448 int x, y, wi, he;
2449
2450 wi = ri->ri_font->fontwidth;
2451 he = ri->ri_font->fontheight;
2452
2453 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2454 x = ri->ri_ccol * wi + ri->ri_xorigin;
2455 y = ri->ri_crow * he + ri->ri_yorigin;
2456 /* first turn off the old cursor */
2457 if (ri->ri_flg & RI_CURSOR) {
2458 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2459 RADEON_ROP3_Dn, 0xffffffff);
2460 ri->ri_flg &= ~RI_CURSOR;
2461 }
2462 ri->ri_crow = row;
2463 ri->ri_ccol = col;
2464 /* then (possibly) turn on the new one */
2465 if (on) {
2466 x = ri->ri_ccol * wi + ri->ri_xorigin;
2467 y = ri->ri_crow * he + ri->ri_yorigin;
2468 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2469 RADEON_ROP3_Dn, 0xffffffff);
2470 ri->ri_flg |= RI_CURSOR;
2471 }
2472 } else {
2473 scr->scr_ri.ri_crow = row;
2474 scr->scr_ri.ri_ccol = col;
2475 scr->scr_ri.ri_flg &= ~RI_CURSOR;
2476 }
2477 }
2478
2479 static int
2480 radeonfb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
2481 {
2482 if ((fg == 0) && (bg == 0)) {
2483 fg = WS_DEFAULT_FG;
2484 bg = WS_DEFAULT_BG;
2485 }
2486 *attrp = ((fg & 0xf) << 24) | ((bg & 0xf) << 16) | (flags & 0xff) << 8;
2487 return 0;
2488 }
2489
2490 /*
2491 * Underlying acceleration support.
2492 */
2493 static void
2494 radeonfb_setup_mono(struct radeonfb_display *dp, int xd, int yd, int width,
2495 int height, uint32_t fg, uint32_t bg)
2496 {
2497 struct radeonfb_softc *sc = dp->rd_softc;
2498 uint32_t gmc;
2499 uint32_t padded_width = (width+7) & 0xfff8;
2500 uint32_t topleft, bottomright;
2501
2502 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2503
2504 if (width != padded_width) {
2505
2506 radeonfb_wait_fifo(sc, 2);
2507 topleft = ((yd << 16) & 0x1fff0000) | (xd & 0x1fff);
2508 bottomright = (((yd + height) << 16) & 0x1fff0000) |
2509 ((xd + width) & 0x1fff);
2510 PUT32(sc, RADEON_SC_TOP_LEFT, topleft);
2511 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, bottomright);
2512 }
2513
2514 radeonfb_wait_fifo(sc, 5);
2515
2516 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2517 RADEON_GMC_BRUSH_NONE |
2518 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2519 //RADEON_GMC_BYTE_LSB_TO_MSB |
2520 RADEON_GMC_DST_CLIPPING |
2521 RADEON_ROP3_S |
2522 RADEON_DP_SRC_SOURCE_HOST_DATA |
2523 RADEON_GMC_CLR_CMP_CNTL_DIS |
2524 RADEON_GMC_WR_MSK_DIS |
2525 gmc);
2526
2527 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2528 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2529
2530 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2531 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (padded_width << 16) | height);
2532
2533 }
2534
2535 static void
2536 radeonfb_feed_bytes(struct radeonfb_display *dp, int count, uint8_t *data)
2537 {
2538 struct radeonfb_softc *sc = dp->rd_softc;
2539 int i;
2540 uint32_t latch = 0;
2541 int shift = 0;
2542
2543 for (i = 0; i < count; i++) {
2544 latch |= (data[i] << shift);
2545 if (shift == 24) {
2546 radeonfb_wait_fifo(sc, 1);
2547 PUT32(sc, RADEON_HOST_DATA0, latch);
2548 latch = 0;
2549 shift = 0;
2550 } else
2551 shift += 8;
2552 }
2553 if (shift != 0) {
2554 radeonfb_wait_fifo(sc, 1);
2555 PUT32(sc, RADEON_HOST_DATA0, latch);
2556 }
2557 radeonfb_unclip(sc);
2558 }
2559
2560 static void
2561 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
2562 int width, int height, uint32_t color)
2563 {
2564 struct radeonfb_softc *sc = dp->rd_softc;
2565 uint32_t gmc;
2566
2567 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2568
2569 radeonfb_wait_fifo(sc, 6);
2570
2571 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2572 RADEON_GMC_BRUSH_SOLID_COLOR |
2573 RADEON_GMC_SRC_DATATYPE_COLOR |
2574 RADEON_GMC_CLR_CMP_CNTL_DIS |
2575 RADEON_ROP3_P | gmc);
2576
2577 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
2578 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2579 PUT32(sc, RADEON_DP_CNTL,
2580 RADEON_DST_X_LEFT_TO_RIGHT |
2581 RADEON_DST_Y_TOP_TO_BOTTOM);
2582 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2583 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2584
2585 /*
2586 * XXX: we don't wait for the fifo to empty -- that would slow
2587 * things down! The linux radeonfb driver waits, but xfree doesn't
2588 */
2589 /* XXX: for now we do, to make it safe for direct drawing */
2590 radeonfb_engine_idle(sc);
2591 }
2592
2593 static void
2594 radeonfb_bitblt(struct radeonfb_display *dp, int srcx, int srcy,
2595 int dstx, int dsty, int width, int height, int rop, uint32_t mask)
2596 {
2597 struct radeonfb_softc *sc = dp->rd_softc;
2598 uint32_t gmc;
2599 uint32_t dir;
2600
2601 if (dsty < srcy) {
2602 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
2603 } else {
2604 srcy += height - 1;
2605 dsty += height - 1;
2606 dir = 0;
2607 }
2608 if (dstx < srcx) {
2609 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
2610 } else {
2611 srcx += width - 1;
2612 dstx += width - 1;
2613 }
2614
2615 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2616
2617 radeonfb_wait_fifo(sc, 6);
2618
2619 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2620 //RADEON_GMC_SRC_CLIPPING |
2621 RADEON_GMC_BRUSH_SOLID_COLOR |
2622 RADEON_GMC_SRC_DATATYPE_COLOR |
2623 RADEON_GMC_CLR_CMP_CNTL_DIS |
2624 RADEON_DP_SRC_SOURCE_MEMORY |
2625 rop | gmc);
2626
2627 PUT32(sc, RADEON_DP_WRITE_MASK, mask);
2628 PUT32(sc, RADEON_DP_CNTL, dir);
2629 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
2630 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2631 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2632
2633 /*
2634 * XXX: we don't wait for the fifo to empty -- that would slow
2635 * things down! The linux radeonfb driver waits, but xfree doesn't
2636 */
2637 /* XXX: for now we do, to make it safe for direct drawing */
2638 radeonfb_engine_idle(sc);
2639 }
2640
2641 static void
2642 radeonfb_engine_idle(struct radeonfb_softc *sc)
2643 {
2644 int i;
2645
2646 radeonfb_wait_fifo(sc, 64);
2647 for (i = RADEON_TIMEOUT; i; i--) {
2648 if ((GET32(sc, RADEON_RBBM_STATUS) &
2649 RADEON_RBBM_ACTIVE) == 0) {
2650 radeonfb_engine_flush(sc);
2651 break;
2652 }
2653 }
2654 }
2655
2656 static void
2657 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
2658 {
2659 int i;
2660
2661 for (i = RADEON_TIMEOUT; i; i--) {
2662 if ((GET32(sc, RADEON_RBBM_STATUS) &
2663 RADEON_RBBM_FIFOCNT_MASK) >= n)
2664 return;
2665 }
2666 #ifdef DIAGNOSTIC
2667 if (!i)
2668 printf("%s: timed out waiting for fifo (%x)\n",
2669 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
2670 #endif
2671 }
2672
2673 static void
2674 radeonfb_engine_flush(struct radeonfb_softc *sc)
2675 {
2676 int i;
2677 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL);
2678 for (i = RADEON_TIMEOUT; i; i--) {
2679 if ((GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
2680 RADEON_RB2D_DC_BUSY) == 0)
2681 break;
2682 }
2683 #ifdef DIAGNOSTIC
2684 if (!i)
2685 printf("%s: engine flush timed out!\n", XNAME(sc));
2686 #endif
2687 }
2688
2689 static inline void
2690 radeonfb_unclip(struct radeonfb_softc *sc)
2691 {
2692
2693 radeonfb_wait_fifo(sc, 2);
2694 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
2695 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
2696 }
2697
2698 static void
2699 radeonfb_engine_init(struct radeonfb_display *dp)
2700 {
2701 struct radeonfb_softc *sc = dp->rd_softc;
2702 uint32_t pitch;
2703
2704 /* no 3D */
2705 PUT32(sc, RADEON_RB3D_CNTL, 0);
2706
2707 radeonfb_engine_reset(sc);
2708 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
2709 //pitch = ((sc->sc_maxx * (sc->sc_maxbpp / 8) + 0x3f)) >> 6;
2710
2711 radeonfb_wait_fifo(sc, 1);
2712 if (!IS_R300(sc))
2713 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
2714
2715 radeonfb_wait_fifo(sc, 3);
2716 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
2717 (pitch << 22) | (sc->sc_aperbase >> 10));
2718
2719
2720 PUT32(sc, RADEON_DST_PITCH_OFFSET,
2721 (pitch << 22) | (sc->sc_aperbase >> 10));
2722 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
2723 (pitch << 22) | (sc->sc_aperbase >> 10));
2724
2725 radeonfb_wait_fifo(sc, 1);
2726 #if _BYTE_ORDER == _BIG_ENDIAN
2727 SET32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2728 #else
2729 CLR32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2730 #endif
2731
2732 /* default scissors -- no clipping */
2733 radeonfb_wait_fifo(sc, 1);
2734 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
2735 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
2736
2737 radeonfb_wait_fifo(sc, 1);
2738 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2739 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
2740 RADEON_GMC_CLR_CMP_CNTL_DIS |
2741 RADEON_GMC_BRUSH_SOLID_COLOR |
2742 RADEON_GMC_SRC_DATATYPE_COLOR);
2743
2744 radeonfb_wait_fifo(sc, 7);
2745 PUT32(sc, RADEON_DST_LINE_START, 0);
2746 PUT32(sc, RADEON_DST_LINE_END, 0);
2747 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
2748 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
2749 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
2750 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
2751 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2752
2753 radeonfb_engine_idle(sc);
2754 }
2755
2756 static void
2757 radeonfb_engine_reset(struct radeonfb_softc *sc)
2758 {
2759 uint32_t hpc, rbbm, mclkcntl, clkindex;
2760
2761 radeonfb_engine_flush(sc);
2762
2763 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2764 if (HAS_R300CG(sc))
2765 radeonfb_r300cg_workaround(sc);
2766 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
2767
2768 /*
2769 * According to comments in XFree code, resetting the HDP via
2770 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
2771 * So we use HOST_PATH_CNTL instead.
2772 */
2773
2774 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
2775 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
2776 if (IS_R300(sc)) {
2777 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2778 RADEON_SOFT_RESET_CP |
2779 RADEON_SOFT_RESET_HI |
2780 RADEON_SOFT_RESET_E2);
2781 GET32(sc, RADEON_RBBM_SOFT_RESET);
2782 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
2783 /*
2784 * XXX: this bit is not defined in any ATI docs I have,
2785 * nor in the XFree code, but XFree does it. Why?
2786 */
2787 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
2788 } else {
2789 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2790 RADEON_SOFT_RESET_CP |
2791 RADEON_SOFT_RESET_SE |
2792 RADEON_SOFT_RESET_RE |
2793 RADEON_SOFT_RESET_PP |
2794 RADEON_SOFT_RESET_E2 |
2795 RADEON_SOFT_RESET_RB);
2796 GET32(sc, RADEON_RBBM_SOFT_RESET);
2797 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
2798 ~(RADEON_SOFT_RESET_CP |
2799 RADEON_SOFT_RESET_SE |
2800 RADEON_SOFT_RESET_RE |
2801 RADEON_SOFT_RESET_PP |
2802 RADEON_SOFT_RESET_E2 |
2803 RADEON_SOFT_RESET_RB));
2804 GET32(sc, RADEON_RBBM_SOFT_RESET);
2805 }
2806
2807 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
2808 GET32(sc, RADEON_HOST_PATH_CNTL);
2809 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
2810
2811 if (IS_R300(sc))
2812 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
2813
2814 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
2815 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
2816
2817 if (HAS_R300CG(sc))
2818 radeonfb_r300cg_workaround(sc);
2819 }
2820
2821 static int
2822 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
2823 {
2824 int x, y;
2825
2826 x = pos->x;
2827 y = pos->y;
2828
2829 /*
2830 * This doesn't let a cursor move off the screen. I'm not
2831 * sure if this will have negative effects for e.g. Xinerama.
2832 * I'd guess Xinerama handles it by changing the cursor shape,
2833 * but that needs verification.
2834 */
2835 if (x >= dp->rd_virtx)
2836 x = dp->rd_virtx - 1;
2837 if (x < 0)
2838 x = 0;
2839 if (y >= dp->rd_virty)
2840 y = dp->rd_virty - 1;
2841 if (y < 0)
2842 y = 0;
2843
2844 dp->rd_cursor.rc_pos.x = x;
2845 dp->rd_cursor.rc_pos.y = y;
2846
2847 radeonfb_cursor_position(dp);
2848 return 0;
2849 }
2850
2851 static int
2852 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
2853 {
2854 unsigned flags;
2855
2856 uint8_t r[2], g[2], b[2];
2857 unsigned index, count;
2858 int i, err;
2859 int pitch, size;
2860 struct radeonfb_cursor nc;
2861
2862 flags = wc->which;
2863
2864 /* copy old values */
2865 nc = dp->rd_cursor;
2866
2867 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
2868 index = wc->cmap.index;
2869 count = wc->cmap.count;
2870
2871 if (index >= 2 || (index + count) > 2)
2872 return EINVAL;
2873
2874 err = copyin(wc->cmap.red, &r[index], count);
2875 if (err)
2876 return err;
2877 err = copyin(wc->cmap.green, &g[index], count);
2878 if (err)
2879 return err;
2880 err = copyin(wc->cmap.blue, &b[index], count);
2881 if (err)
2882 return err;
2883
2884 for (i = index; i < index + count; i++) {
2885 nc.rc_cmap[i] =
2886 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
2887 }
2888 }
2889
2890 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
2891 if ((wc->size.x > RADEON_CURSORMAXX) ||
2892 (wc->size.y > RADEON_CURSORMAXY))
2893 return EINVAL;
2894
2895 /* figure bytes per line */
2896 pitch = (wc->size.x + 7) / 8;
2897 size = pitch * wc->size.y;
2898
2899 /* clear the old cursor and mask */
2900 memset(nc.rc_image, 0, 512);
2901 memset(nc.rc_mask, 0, 512);
2902
2903 nc.rc_size = wc->size;
2904
2905 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
2906 return err;
2907
2908 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
2909 return err;
2910 }
2911
2912 if (flags & WSDISPLAY_CURSOR_DOHOT) {
2913 nc.rc_hot = wc->hot;
2914 if (nc.rc_hot.x >= nc.rc_size.x)
2915 nc.rc_hot.x = nc.rc_size.x - 1;
2916 if (nc.rc_hot.y >= nc.rc_size.y)
2917 nc.rc_hot.y = nc.rc_size.y - 1;
2918 }
2919
2920 if (flags & WSDISPLAY_CURSOR_DOPOS) {
2921 nc.rc_pos = wc->pos;
2922 if (nc.rc_pos.x >= dp->rd_virtx)
2923 nc.rc_pos.x = dp->rd_virtx - 1;
2924 #if 0
2925 if (nc.rc_pos.x < 0)
2926 nc.rc_pos.x = 0;
2927 #endif
2928 if (nc.rc_pos.y >= dp->rd_virty)
2929 nc.rc_pos.y = dp->rd_virty - 1;
2930 #if 0
2931 if (nc.rc_pos.y < 0)
2932 nc.rc_pos.y = 0;
2933 #endif
2934 }
2935 if (flags & WSDISPLAY_CURSOR_DOCUR) {
2936 nc.rc_visible = wc->enable;
2937 }
2938
2939 dp->rd_cursor = nc;
2940 radeonfb_cursor_update(dp, wc->which);
2941
2942 return 0;
2943 }
2944
2945 /*
2946 * Change the cursor shape. Call this with the cursor locked to avoid
2947 * flickering/tearing.
2948 */
2949 static void
2950 radeonfb_cursor_shape(struct radeonfb_display *dp)
2951 {
2952 uint8_t and[512], xor[512];
2953 int i, j, src, dst, pitch;
2954 const uint8_t *msk = dp->rd_cursor.rc_mask;
2955 const uint8_t *img = dp->rd_cursor.rc_image;
2956
2957 /*
2958 * Radeon cursor data interleaves one line of AND data followed
2959 * by a line of XOR data. (Each line corresponds to a whole hardware
2960 * pitch - i.e. 64 pixels or 8 bytes.)
2961 *
2962 * The cursor is displayed using the following table:
2963 *
2964 * AND XOR Result
2965 * ----------------------
2966 * 0 0 Cursor color 0
2967 * 0 1 Cursor color 1
2968 * 1 0 Transparent
2969 * 1 1 Complement of background
2970 *
2971 * Our masks are therefore different from what we were passed.
2972 * Passed in, I'm assuming the data represents either color 0 or 1,
2973 * and a mask, so the passed in table looks like:
2974 *
2975 * IMG Mask Result
2976 * -----------------------
2977 * 0 0 Transparent
2978 * 0 1 Cursor color 0
2979 * 1 0 Transparent
2980 * 1 1 Cursor color 1
2981 *
2982 * IF mask bit == 1, AND = 0, XOR = color.
2983 * IF mask bit == 0, AND = 1, XOR = 0.
2984 *
2985 * hence: AND = ~(mask); XOR = color & ~(mask);
2986 */
2987
2988 pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
2989
2990 /* start by assuming all bits are transparent */
2991 memset(and, 0xff, 512);
2992 memset(xor, 0x00, 512);
2993
2994 src = 0;
2995 dst = 0;
2996 for (i = 0; i < 64; i++) {
2997 for (j = 0; j < 64; j += 8) {
2998 if ((i < dp->rd_cursor.rc_size.y) &&
2999 (j < dp->rd_cursor.rc_size.x)) {
3000
3001 /* take care to leave odd bits alone */
3002 and[dst] &= ~(msk[src]);
3003 xor[dst] = img[src] & msk[src];
3004 src++;
3005 }
3006 dst++;
3007 }
3008 }
3009
3010 /* copy the image into place */
3011 for (i = 0; i < 64; i++) {
3012 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3013 &and[i * 8], 8);
3014 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3015 &xor[i * 8], 8);
3016 }
3017 }
3018
3019 static void
3020 radeonfb_cursor_position(struct radeonfb_display *dp)
3021 {
3022 struct radeonfb_softc *sc = dp->rd_softc;
3023 uint32_t offset, hvoff, hvpos; /* registers */
3024 uint32_t coff; /* cursor offset */
3025 int i, x, y, xoff, yoff, crtcoff;
3026
3027 /*
3028 * XXX: this also needs to handle pan/scan
3029 */
3030 for (i = 0; i < dp->rd_ncrtcs; i++) {
3031
3032 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3033
3034 if (rcp->rc_number) {
3035 offset = RADEON_CUR2_OFFSET;
3036 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3037 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3038 crtcoff = RADEON_CRTC2_OFFSET;
3039 } else {
3040 offset = RADEON_CUR_OFFSET;
3041 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3042 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3043 crtcoff = RADEON_CRTC_OFFSET;
3044 }
3045
3046 x = dp->rd_cursor.rc_pos.x;
3047 y = dp->rd_cursor.rc_pos.y;
3048
3049 while (y < rcp->rc_yoffset) {
3050 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3051 }
3052 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3053 rcp->rc_yoffset += RADEON_PANINCREMENT;
3054 }
3055 while (x < rcp->rc_xoffset) {
3056 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3057 }
3058 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3059 rcp->rc_xoffset += RADEON_PANINCREMENT;
3060 }
3061
3062 /* adjust for the cursor's hotspot */
3063 x -= dp->rd_cursor.rc_hot.x;
3064 y -= dp->rd_cursor.rc_hot.y;
3065 xoff = yoff = 0;
3066
3067 if (x >= dp->rd_virtx)
3068 x = dp->rd_virtx - 1;
3069 if (y >= dp->rd_virty)
3070 y = dp->rd_virty - 1;
3071
3072 /* now adjust cursor so it is relative to viewport */
3073 x -= rcp->rc_xoffset;
3074 y -= rcp->rc_yoffset;
3075
3076 /*
3077 * no need to check for fall off, because we should
3078 * never move off the screen entirely!
3079 */
3080 coff = 0;
3081 if (x < 0) {
3082 xoff = -x;
3083 x = 0;
3084 }
3085 if (y < 0) {
3086 yoff = -y;
3087 y = 0;
3088 coff = (yoff * 2) * 8;
3089 }
3090
3091 /* pan the display */
3092 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3093 rcp->rc_xoffset);
3094
3095 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3096 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3097 /* NB: this unlocks the cursor */
3098 PUT32(sc, hvpos, (x << 16) | y);
3099 }
3100 }
3101
3102 static void
3103 radeonfb_cursor_visible(struct radeonfb_display *dp)
3104 {
3105 int i;
3106 uint32_t gencntl, bit;
3107
3108 for (i = 0; i < dp->rd_ncrtcs; i++) {
3109 if (dp->rd_crtcs[i].rc_number) {
3110 gencntl = RADEON_CRTC2_GEN_CNTL;
3111 bit = RADEON_CRTC2_CUR_EN;
3112 } else {
3113 gencntl = RADEON_CRTC_GEN_CNTL;
3114 bit = RADEON_CRTC_CUR_EN;
3115 }
3116
3117 if (dp->rd_cursor.rc_visible)
3118 SET32(dp->rd_softc, gencntl, bit);
3119 else
3120 CLR32(dp->rd_softc, gencntl, bit);
3121 }
3122 }
3123
3124 static void
3125 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3126 {
3127 int i;
3128 uint32_t c0reg, c1reg;
3129 struct radeonfb_softc *sc = dp->rd_softc;
3130
3131 for (i = 0; i < dp->rd_ncrtcs; i++) {
3132 if (dp->rd_crtcs[i].rc_number) {
3133 c0reg = RADEON_CUR2_CLR0;
3134 c1reg = RADEON_CUR2_CLR1;
3135 } else {
3136 c0reg = RADEON_CUR_CLR0;
3137 c1reg = RADEON_CUR_CLR1;
3138 }
3139
3140 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3141 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3142 }
3143 }
3144
3145 static void
3146 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3147 {
3148 struct radeonfb_softc *sc;
3149 int i;
3150
3151 sc = dp->rd_softc;
3152 for (i = 0; i < dp->rd_ncrtcs; i++) {
3153 if (dp->rd_crtcs[i].rc_number) {
3154 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3155 } else {
3156 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3157 }
3158 }
3159
3160 if (which & WSDISPLAY_CURSOR_DOCMAP)
3161 radeonfb_cursor_cmap(dp);
3162
3163 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3164 radeonfb_cursor_shape(dp);
3165
3166 if (which & WSDISPLAY_CURSOR_DOCUR)
3167 radeonfb_cursor_visible(dp);
3168
3169 /* this one is unconditional, because it updates other stuff */
3170 radeonfb_cursor_position(dp);
3171 }
3172
3173 static struct videomode *
3174 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3175 {
3176 int r1, r2;
3177
3178 /* otherwise pick the higher refresh rate */
3179 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3180 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3181
3182 return (r1 < r2 ? m2 : m1);
3183 }
3184
3185 static const struct videomode *
3186 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3187 int x, int y)
3188 {
3189 struct edid_info *ep = &rp->rp_edid;
3190 struct videomode *vmp = NULL;
3191 int i;
3192
3193 if (!rp->rp_edid_valid) {
3194 /* fallback to safe mode */
3195 return radeonfb_modelookup(sc->sc_defaultmode);
3196 }
3197
3198 /* always choose the preferred mode first! */
3199 if (ep->edid_preferred_mode) {
3200
3201 /* XXX: add auto-stretching support for native mode */
3202
3203 /* this may want panning to occur, btw */
3204 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3205 (ep->edid_preferred_mode->vdisplay <= y))
3206 return ep->edid_preferred_mode;
3207 }
3208
3209 for (i = 0; i < ep->edid_nmodes; i++) {
3210 /*
3211 * We elect to pick a resolution that is too large for
3212 * the monitor than one that is too small. This means
3213 * that we will prefer to pan rather than to try to
3214 * center a smaller display on a larger screen. In
3215 * practice, this shouldn't matter because if a
3216 * monitor can support a larger resolution, it can
3217 * probably also support the smaller. A specific
3218 * exception is fixed format panels, but hopefully
3219 * they are properly dealt with by the "autostretch"
3220 * logic above.
3221 */
3222 if ((ep->edid_modes[i].hdisplay > x) ||
3223 (ep->edid_modes[i].vdisplay > y)) {
3224 continue;
3225 }
3226
3227 /*
3228 * at this point, the display mode is no larger than
3229 * what we've requested.
3230 */
3231 if (vmp == NULL)
3232 vmp = &ep->edid_modes[i];
3233
3234 /* eliminate smaller modes */
3235 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3236 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3237 continue;
3238
3239 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3240 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3241 vmp = &ep->edid_modes[i];
3242 continue;
3243 }
3244
3245 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3246 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3247
3248 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3249 }
3250
3251 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3252 }
3253
3254 static int
3255 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3256 {
3257 int i;
3258
3259 for (i = 0; i < nlist; i++) {
3260 if ((x == list[i].hdisplay) &&
3261 (y == list[i].vdisplay)) {
3262 return 1;
3263 }
3264 }
3265 return 0;
3266 }
3267
3268 static void
3269 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3270 int pan)
3271 {
3272 struct radeonfb_port *rp;
3273 struct edid_info *ep;
3274 int i, j;
3275
3276 *x = 0;
3277 *y = 0;
3278
3279 if (pan) {
3280 for (i = 0; i < dp->rd_ncrtcs; i++) {
3281 rp = dp->rd_crtcs[i].rc_port;
3282 ep = &rp->rp_edid;
3283 if (!rp->rp_edid_valid) {
3284 /* monitor not present */
3285 continue;
3286 }
3287
3288 /*
3289 * For now we are ignoring "conflict" that
3290 * could occur when mixing some modes like
3291 * 1280x1024 and 1400x800. It isn't clear
3292 * which is better, so the first one wins.
3293 */
3294 for (j = 0; j < ep->edid_nmodes; j++) {
3295 /*
3296 * ignore resolutions that are too big for
3297 * the radeon
3298 */
3299 if (ep->edid_modes[j].hdisplay >
3300 dp->rd_softc->sc_maxx)
3301 continue;
3302 if (ep->edid_modes[j].vdisplay >
3303 dp->rd_softc->sc_maxy)
3304 continue;
3305
3306 /*
3307 * pick largest resolution, the
3308 * smaller monitor will pan
3309 */
3310 if ((ep->edid_modes[j].hdisplay >= *x) &&
3311 (ep->edid_modes[j].vdisplay >= *y)) {
3312 *x = ep->edid_modes[j].hdisplay;
3313 *y = ep->edid_modes[j].vdisplay;
3314 }
3315 }
3316 }
3317
3318 } else {
3319 struct videomode modes[64];
3320 int nmodes = 0;
3321 int valid = 0;
3322
3323 for (i = 0; i < dp->rd_ncrtcs; i++) {
3324 /*
3325 * pick the largest resolution in common.
3326 */
3327 rp = dp->rd_crtcs[i].rc_port;
3328 ep = &rp->rp_edid;
3329
3330 if (!rp->rp_edid_valid)
3331 continue;
3332
3333 if (!valid) {
3334 /*
3335 * Pick the preferred mode for this port
3336 * if available.
3337 */
3338 if (ep->edid_preferred_mode) {
3339 struct videomode *vmp =
3340 ep->edid_preferred_mode;
3341
3342 if ((vmp->hdisplay <=
3343 dp->rd_softc->sc_maxx) &&
3344 (vmp->vdisplay <=
3345 dp->rd_softc->sc_maxy))
3346 modes[nmodes++] = *vmp;
3347 } else {
3348
3349 /* initialize starting list */
3350 for (j = 0; j < ep->edid_nmodes; j++) {
3351 /*
3352 * ignore resolutions that are
3353 * too big for the radeon
3354 */
3355 if (ep->edid_modes[j].hdisplay >
3356 dp->rd_softc->sc_maxx)
3357 continue;
3358 if (ep->edid_modes[j].vdisplay >
3359 dp->rd_softc->sc_maxy)
3360 continue;
3361
3362 modes[nmodes] =
3363 ep->edid_modes[j];
3364 nmodes++;
3365 }
3366 }
3367 valid = 1;
3368 } else {
3369 /* merge into preexisting list */
3370 for (j = 0; j < nmodes; j++) {
3371 if (!radeonfb_hasres(ep->edid_modes,
3372 ep->edid_nmodes,
3373 modes[j].hdisplay,
3374 modes[j].vdisplay)) {
3375 modes[j] = modes[nmodes];
3376 j--;
3377 nmodes--;
3378 }
3379 }
3380 }
3381 }
3382
3383 /* now we have to pick from the merged list */
3384 for (i = 0; i < nmodes; i++) {
3385 if ((modes[i].hdisplay >= *x) &&
3386 (modes[i].vdisplay >= *y)) {
3387 *x = modes[i].hdisplay;
3388 *y = modes[i].vdisplay;
3389 }
3390 }
3391 }
3392
3393 if ((*x == 0) || (*y == 0)) {
3394 /* fallback to safe mode */
3395 *x = 640;
3396 *y = 480;
3397 }
3398 }
3399
3400 /*
3401 * backlight levels are linear on:
3402 * - RV200, RV250, RV280, RV350
3403 * - but NOT on PowerBook4,3 6,3 6,5
3404 * according to Linux' radeonfb
3405 */
3406
3407 /* Get the current backlight level for the display. */
3408
3409 static int
3410 radeonfb_get_backlight(struct radeonfb_display *dp)
3411 {
3412 int s;
3413 uint32_t level;
3414
3415 s = spltty();
3416
3417 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
3418 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
3419 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
3420
3421 /*
3422 * On some chips, we should negate the backlight level.
3423 * XXX Find out on which chips.
3424 */
3425 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
3426 level = RADEONFB_BACKLIGHT_MAX - level;
3427
3428 splx(s);
3429
3430 return level;
3431 }
3432
3433 /* Set the backlight to the given level for the display. */
3434
3435 static int
3436 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
3437 {
3438 struct radeonfb_softc *sc;
3439 int rlevel, s;
3440 uint32_t lvds;
3441
3442 s = spltty();
3443
3444 if (level < 0)
3445 level = 0;
3446 else if (level >= RADEONFB_BACKLIGHT_MAX)
3447 level = RADEONFB_BACKLIGHT_MAX;
3448
3449 sc = dp->rd_softc;
3450
3451 /* On some chips, we should negate the backlight level. */
3452 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
3453 rlevel = RADEONFB_BACKLIGHT_MAX - level;
3454 } else
3455 rlevel = level;
3456
3457 callout_stop(&dp->rd_bl_lvds_co);
3458 radeonfb_engine_idle(sc);
3459
3460 /*
3461 * Turn off the display if the backlight is set to 0, since the
3462 * display is useless without backlight anyway.
3463 */
3464 if (level == 0)
3465 radeonfb_blank(dp, 1);
3466 else if (radeonfb_get_backlight(dp) == 0)
3467 radeonfb_blank(dp, 0);
3468
3469 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
3470 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
3471 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
3472 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
3473 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
3474 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3475 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3476 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3477 lvds |= RADEON_LVDS_ON;
3478 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
3479 } else {
3480 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3481 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3482 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3483 }
3484
3485 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
3486 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
3487 /* XXX What is the correct delay? */
3488 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
3489
3490 splx(s);
3491
3492 return 0;
3493 }
3494
3495 /*
3496 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
3497 * Set the delayed bits in the register, and clear the stored delayed
3498 * value.
3499 */
3500
3501 static void radeonfb_lvds_callout(void *arg)
3502 {
3503 struct radeonfb_display *dp = arg;
3504 int s;
3505
3506 s = splhigh();
3507
3508 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
3509 dp->rd_bl_lvds_val);
3510 dp->rd_bl_lvds_val = 0;
3511
3512 splx(s);
3513 }
3514