radeonfb.c revision 1.54 1 /* $NetBSD: radeonfb.c,v 1.54 2012/02/16 17:33:28 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 1.54 2012/02/16 17:33:28 macallan Exp $");
74
75 #include <sys/param.h>
76 #include <sys/systm.h>
77 #include <sys/device.h>
78 #include <sys/malloc.h>
79 #include <sys/bus.h>
80 #include <sys/kernel.h>
81 #include <sys/lwp.h>
82 #include <sys/kauth.h>
83
84 #include <dev/wscons/wsdisplayvar.h>
85 #include <dev/wscons/wsconsio.h>
86 #include <dev/wsfont/wsfont.h>
87 #include <dev/rasops/rasops.h>
88 #include <dev/videomode/videomode.h>
89 #include <dev/videomode/edidvar.h>
90 #include <dev/wscons/wsdisplay_vconsvar.h>
91 #include <dev/pci/wsdisplay_pci.h>
92 #include <dev/wscons/wsdisplay_glyphcachevar.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 #include "opt_vcons.h"
102
103 #ifdef RADEONFB_DEPTH_32
104 #define RADEONFB_DEFAULT_DEPTH 32
105 #else
106 #define RADEONFB_DEFAULT_DEPTH 8
107 #endif
108
109 static int radeonfb_match(device_t, cfdata_t, void *);
110 static void radeonfb_attach(device_t, device_t, void *);
111 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
112 struct lwp *);
113 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
114 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
115 static void radeonfb_loadbios(struct radeonfb_softc *,
116 const struct pci_attach_args *);
117
118 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
119 uintmax_t);
120 static int radeonfb_getclocks(struct radeonfb_softc *);
121 static int radeonfb_gettmds(struct radeonfb_softc *);
122 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
123 uint32_t *, uint32_t *);
124 static int radeonfb_getconnectors(struct radeonfb_softc *);
125 static const struct videomode *radeonfb_modelookup(const char *);
126 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
127 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
128 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
129 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
130 static void radeonfb_modeswitch(struct radeonfb_display *);
131 static void radeonfb_setcrtc(struct radeonfb_display *, int);
132 static void radeonfb_init_misc(struct radeonfb_softc *);
133 static void radeonfb_set_fbloc(struct radeonfb_softc *);
134 static void radeonfb_init_palette(struct radeonfb_softc *, int);
135 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
136
137 static int radeonfb_isblank(struct radeonfb_display *);
138 static void radeonfb_blank(struct radeonfb_display *, int);
139 static int radeonfb_set_cursor(struct radeonfb_display *,
140 struct wsdisplay_cursor *);
141 static int radeonfb_set_curpos(struct radeonfb_display *,
142 struct wsdisplay_curpos *);
143
144 /* acceleration support */
145 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
146 int width, int height, uint32_t color);
147 static void radeonfb_bitblt(void *, int srcx, int srcy,
148 int dstx, int dsty, int width, int height, int rop);
149
150 /* hw cursor support */
151 static void radeonfb_cursor_cmap(struct radeonfb_display *);
152 static void radeonfb_cursor_shape(struct radeonfb_display *);
153 static void radeonfb_cursor_position(struct radeonfb_display *);
154 static void radeonfb_cursor_visible(struct radeonfb_display *);
155 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
156
157 static void radeonfb_wait_fifo(struct radeonfb_softc *, int);
158 static void radeonfb_engine_idle(struct radeonfb_softc *);
159 static void radeonfb_engine_flush(struct radeonfb_softc *);
160 static void radeonfb_engine_reset(struct radeonfb_softc *);
161 static void radeonfb_engine_init(struct radeonfb_display *);
162 static inline void radeonfb_unclip(struct radeonfb_softc *);
163
164 static void radeonfb_eraserows(void *, int, int, long);
165 static void radeonfb_erasecols(void *, int, int, int, long);
166 static void radeonfb_copyrows(void *, int, int, int);
167 static void radeonfb_copycols(void *, int, int, int, int);
168 static void radeonfb_cursor(void *, int, int, int);
169 static void radeonfb_putchar(void *, int, int, unsigned, long);
170 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
171 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
172
173 static int radeonfb_get_backlight(struct radeonfb_display *);
174 static int radeonfb_set_backlight(struct radeonfb_display *, int);
175 static void radeonfb_lvds_callout(void *);
176
177 static void radeonfb_brightness_up(device_t);
178 static void radeonfb_brightness_down(device_t);
179
180 static struct videomode *radeonfb_best_refresh(struct videomode *,
181 struct videomode *);
182 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
183 uint16_t *, int);
184 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
185 struct radeonfb_port *, int, int);
186
187 static int radeonfb_drm_print(void *, const char *);
188
189 #ifdef RADEONFB_DEBUG
190 int radeon_debug = 1;
191 #define DPRINTF(x) \
192 if (radeon_debug) printf x
193 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
194 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
195 #else
196 #define DPRINTF(x)
197 #define PRINTREG(r)
198 #define PRINTPLL(r)
199 #endif
200
201 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
202
203 #ifndef RADEON_DEFAULT_MODE
204 /* any reasonably modern display should handle this */
205 #define RADEON_DEFAULT_MODE "1024x768x60"
206 #endif
207
208 extern const u_char rasops_cmap[768];
209
210 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
211
212 static struct {
213 int size; /* minimum memory size (MB) */
214 int maxx; /* maximum x dimension */
215 int maxy; /* maximum y dimension */
216 int maxbpp; /* maximum bpp */
217 int maxdisp; /* maximum logical display count */
218 } radeonfb_limits[] = {
219 { 32, 2048, 1536, 32, 2 },
220 { 16, 1600, 1200, 32, 2 },
221 { 8, 1600, 1200, 32, 1 },
222 { 0, 0, 0, 0, 0 },
223 };
224
225 static struct wsscreen_descr radeonfb_stdscreen = {
226 "fb", /* name */
227 0, 0, /* ncols, nrows */
228 NULL, /* textops */
229 8, 16, /* fontwidth, fontheight */
230 WSSCREEN_WSCOLORS, /* capabilities */
231 0, /* modecookie */
232 };
233
234 struct wsdisplay_accessops radeonfb_accessops = {
235 radeonfb_ioctl,
236 radeonfb_mmap,
237 NULL, /* vcons_alloc_screen */
238 NULL, /* vcons_free_screen */
239 NULL, /* vcons_show_screen */
240 NULL, /* load_font */
241 NULL, /* pollc */
242 NULL, /* scroll */
243 };
244
245 static struct {
246 uint16_t devid;
247 uint16_t family;
248 uint16_t flags;
249 } radeonfb_devices[] =
250 {
251 /* R100 family */
252 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
253 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
254 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
255 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
256
257 /* RV100 family */
258 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
259 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
260 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
261 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
262
263 /* RS100 family */
264 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
265 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
266
267 /* RS200/RS250 family */
268 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
269 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
270 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
271 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
272
273 /* R200 family */
274 /* add more R200 products? , 5148 */
275 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
276 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
277 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
278 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
279 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
280
281 /* RV200 family */
282 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
283 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
284 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
285 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
286
287 /* RV250 family */
288 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
289 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
290 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
291 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
292 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
293
294 /* RS300 family */
295 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
296 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
297 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
298 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
299
300 /* RV280 family */
301 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
302 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
303 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
304 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
305 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
306 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
307 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
308
309 /* R300 family */
310 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
311 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
312 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
313 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
314 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
315 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
316 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
317 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
318
319 /* RV350/RV360 family */
320 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
321 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
322 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
323 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
324 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
325 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
326 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
327 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
328 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
329 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
330 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
331 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
332
333 /* R350/R360 family */
334 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
335 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
336 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
337 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
338 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
339 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
340 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
341 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
342
343 /* RV380/RV370 family */
344 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
345 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
346 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
347 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
348 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
349 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
350 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
351 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
352 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
353
354 /* R420/R423 family */
355 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
356 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
357 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
358 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
359 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
360 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
361 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
362 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
363 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
364 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
365 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
366 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
367 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
368 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
369 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
372
373 { 0, 0, 0 }
374 };
375
376 static struct {
377 int divider;
378 int mask;
379 } radeonfb_dividers[] = {
380 { 1, 0 },
381 { 2, 1 },
382 { 3, 4 },
383 { 4, 2 },
384 { 6, 6 },
385 { 8, 3 },
386 { 12, 7 },
387 { 0, 0 }
388 };
389
390 /*
391 * This table taken from X11.
392 */
393 static const struct {
394 int family;
395 struct radeon_tmds_pll plls[4];
396 } radeonfb_tmds_pll[] = {
397 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
398 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
399 { RADEON_RS100, {{0, 0}}},
400 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
401 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
402 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
403 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
404 { RADEON_RS300, {{0, 0}}},
405 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
406 { RADEON_R300, {{-1, 0xb01cb}}},
407 { RADEON_R350, {{-1, 0xb01cb}}},
408 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
409 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
410 { RADEON_R420, {{-1, 0xb01cb}}},
411 };
412
413 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
414
415
416 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
417 radeonfb_match, radeonfb_attach, NULL, NULL);
418
419 static int
420 radeonfb_match(device_t parent, cfdata_t match, void *aux)
421 {
422 const struct pci_attach_args *pa = aux;
423 int i;
424
425 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
426 return 0;
427
428 for (i = 0; radeonfb_devices[i].devid; i++) {
429 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
430 return 100; /* high to defeat VGA/VESA */
431 }
432
433 return 0;
434 }
435
436 static void
437 radeonfb_attach(device_t parent, device_t dev, void *aux)
438 {
439 struct radeonfb_softc *sc = device_private(dev);
440 const struct pci_attach_args *pa = aux;
441 const char *mptr;
442 bus_size_t bsz;
443 pcireg_t screg;
444 int i, j, fg, bg, ul, flags;
445 uint32_t v;
446
447 sc->sc_dev = dev;
448 sc->sc_id = pa->pa_id;
449 for (i = 0; radeonfb_devices[i].devid; i++) {
450 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
451 break;
452 }
453
454 pci_aprint_devinfo(pa, NULL);
455
456 DPRINTF((prop_dictionary_externalize(device_properties(dev))));
457
458 KASSERT(radeonfb_devices[i].devid != 0);
459 sc->sc_pt = pa->pa_tag;
460 sc->sc_iot = pa->pa_iot;
461 sc->sc_pc = pa->pa_pc;
462 sc->sc_family = radeonfb_devices[i].family;
463 sc->sc_flags = radeonfb_devices[i].flags;
464
465 /* enable memory and IO access */
466 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
467 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
468 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
469
470 /*
471 * Some flags are general to entire chip families, and rather
472 * than clutter up the table with them, we go ahead and set
473 * them here.
474 */
475 switch (sc->sc_family) {
476 case RADEON_RS100:
477 case RADEON_RS200:
478 sc->sc_flags |= RFB_IGP | RFB_RV100;
479 break;
480
481 case RADEON_RV100:
482 case RADEON_RV200:
483 case RADEON_RV250:
484 case RADEON_RV280:
485 sc->sc_flags |= RFB_RV100;
486 break;
487
488 case RADEON_RS300:
489 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
490 break;
491
492 case RADEON_R300:
493 case RADEON_RV350:
494 case RADEON_R350:
495 case RADEON_RV380:
496 case RADEON_R420:
497 /* newer chips */
498 sc->sc_flags |= RFB_R300;
499 break;
500
501 case RADEON_R100:
502 sc->sc_flags |= RFB_NCRTC2;
503 break;
504 }
505
506 if ((sc->sc_family == RADEON_RV200) ||
507 (sc->sc_family == RADEON_RV250) ||
508 (sc->sc_family == RADEON_RV280) ||
509 (sc->sc_family == RADEON_RV350)) {
510 bool inverted = 0;
511 /* backlight level is linear */
512 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
513 prop_dictionary_get_bool(device_properties(sc->sc_dev),
514 "backlight_level_reverted", &inverted);
515 if (inverted) {
516 DPRINTF(("nope, it's inverted\n"));
517 sc->sc_flags |= RFB_INV_BLIGHT;
518 }
519 } else
520 sc->sc_flags |= RFB_INV_BLIGHT;
521
522 /*
523 * XXX: to support true multihead, this must change.
524 */
525 sc->sc_ndisplays = 1;
526
527 /* XXX: */
528 if (!HAS_CRTC2(sc)) {
529 sc->sc_ndisplays = 1;
530 }
531
532 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
533 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
534 &sc->sc_regsz) != 0) {
535 aprint_error("%s: unable to map registers!\n", XNAME(sc));
536 goto error;
537 }
538
539 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
540 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
541 {
542 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
543 goto error;
544 }
545 sc->sc_romt = sc->sc_memt;
546
547 /* scratch register test... */
548 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
549 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
550 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
551 goto error;
552 }
553
554 PRINTREG(RADEON_BIOS_4_SCRATCH);
555 PRINTREG(RADEON_FP_GEN_CNTL);
556 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
557 PRINTREG(RADEON_FP2_GEN_CNTL);
558 PRINTREG(RADEON_TMDS_CNTL);
559 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
560 PRINTREG(RADEON_TMDS_PLL_CNTL);
561 PRINTREG(RADEON_LVDS_GEN_CNTL);
562 PRINTREG(RADEON_FP_HORZ_STRETCH);
563 PRINTREG(RADEON_FP_VERT_STRETCH);
564
565 /* XXX: RV100 specific */
566 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
567
568 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
569 RADEON_TMDS_TRANSMITTER_PLLEN,
570 RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
571
572 radeonfb_i2c_init(sc);
573
574 radeonfb_loadbios(sc, pa);
575
576 #ifdef RADEONFB_BIOS_INIT
577 if (radeonfb_bios_init(sc)) {
578 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
579 }
580 #endif
581
582 if (radeonfb_getclocks(sc)) {
583 aprint_error("%s: Unable to get reference clocks from BIOS\n",
584 XNAME(sc));
585 goto error;
586 }
587
588 if (radeonfb_gettmds(sc)) {
589 aprint_error("%s: Unable to identify TMDS PLL settings\n",
590 XNAME(sc));
591 goto error;
592 }
593
594 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
595 "minpll = %d, maxpll = %d\n", XNAME(sc),
596 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
597 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
598
599 radeonfb_getconnectors(sc);
600
601 radeonfb_set_fbloc(sc);
602
603 for (i = 0; radeonfb_limits[i].size; i++) {
604 if (sc->sc_memsz >= radeonfb_limits[i].size) {
605 sc->sc_maxx = radeonfb_limits[i].maxx;
606 sc->sc_maxy = radeonfb_limits[i].maxy;
607 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
608 /* framebuffer offset, start at a 4K page */
609 sc->sc_fboffset = sc->sc_memsz /
610 radeonfb_limits[i].maxdisp;
611 /*
612 * we use the fbsize to figure out where we can store
613 * things like cursor data.
614 */
615 sc->sc_fbsize =
616 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
617 RADEON_STRIDEALIGN) * sc->sc_maxy,
618 4096);
619 break;
620 }
621 }
622
623
624 radeonfb_init_misc(sc);
625 radeonfb_init_palette(sc, 0);
626 if (HAS_CRTC2(sc))
627 radeonfb_init_palette(sc, 1);
628
629 /* program the DAC wirings */
630 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
631 switch (sc->sc_ports[i].rp_dac_type) {
632 case RADEON_DAC_PRIMARY:
633 PATCH32(sc, RADEON_DAC_CNTL2,
634 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
635 ~RADEON_DAC2_DAC_CLK_SEL);
636 break;
637 case RADEON_DAC_TVDAC:
638 /* we always use the TVDAC to drive a secondary analog
639 * CRT for now. if we ever support TV-out this will
640 * have to change.
641 */
642 SET32(sc, RADEON_DAC_CNTL2,
643 RADEON_DAC2_DAC2_CLK_SEL);
644 PATCH32(sc, RADEON_DISP_HW_DEBUG,
645 i ? 0 : RADEON_CRT2_DISP1_SEL,
646 ~RADEON_CRT2_DISP1_SEL);
647 break;
648 }
649 }
650 PRINTREG(RADEON_DAC_CNTL2);
651 PRINTREG(RADEON_DISP_HW_DEBUG);
652
653 /* other DAC programming */
654 v = GET32(sc, RADEON_DAC_CNTL);
655 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
656 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
657 PUT32(sc, RADEON_DAC_CNTL, v);
658 PRINTREG(RADEON_DAC_CNTL);
659
660 /* XXX: this may need more investigation */
661 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
662 PRINTREG(RADEON_TV_DAC_CNTL);
663
664 /* enable TMDS */
665 SET32(sc, RADEON_FP_GEN_CNTL,
666 RADEON_FP_TMDS_EN |
667 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
668 RADEON_FP_CRTC_DONT_SHADOW_HEND);
669 /*
670 * XXX
671 * no idea why this is necessary - if I do not clear this bit on my
672 * iBook G4 the screen remains black, even though it's already clear.
673 * It needs to be set on my Sun XVR-100 for the DVI port to work
674 */
675
676 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
677 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
678 } else
679 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
680
681 if (HAS_CRTC2(sc))
682 SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
683
684 /*
685 * we use bus_space_map instead of pci_mapreg, because we don't
686 * need the full aperature space. no point in wasting virtual
687 * address space we don't intend to use, right?
688 */
689 if ((sc->sc_memsz < (4096 * 1024)) ||
690 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
691 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
692 (bsz < sc->sc_memsz)) {
693 sc->sc_memsz = 0;
694 aprint_error("%s: Bad frame buffer configuration\n",
695 XNAME(sc));
696 goto error;
697 }
698
699 /* 64 MB should be enough -- more just wastes map entries */
700 if (sc->sc_memsz > (64 << 20))
701 sc->sc_memsz = (64 << 20);
702
703 sc->sc_memt = pa->pa_memt;
704 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
705 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
706 sc->sc_memsz = 0;
707 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
708 goto error;
709 }
710
711 aprint_normal("%s: %d MB aperture at 0x%08x, "
712 "%d KB registers at 0x%08x\n", XNAME(sc),
713 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
714 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
715
716 /* setup default video mode from devprop (allows PROM override) */
717 sc->sc_defaultmode = radeonfb_default_mode;
718 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
719 "videomode", &mptr)) {
720
721 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
722 sc->sc_defaultmode = sc->sc_modebuf;
723 }
724
725 /* initialize some basic display parameters */
726 for (i = 0; i < sc->sc_ndisplays; i++) {
727 struct radeonfb_display *dp = &sc->sc_displays[i];
728 struct rasops_info *ri;
729 long defattr;
730 struct wsemuldisplaydev_attach_args aa;
731
732 /*
733 * Figure out how many "displays" (desktops) we are going to
734 * support. If more than one, then each CRTC gets its own
735 * programming.
736 *
737 * XXX: this code needs to change to support mergedfb.
738 * XXX: would be nice to allow this to be overridden
739 */
740 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
741 DPRINTF(("dual crtcs!\n"));
742 dp->rd_ncrtcs = 2;
743 dp->rd_crtcs[0].rc_number = 0;
744 dp->rd_crtcs[1].rc_number = 1;
745 } else {
746 dp->rd_ncrtcs = 1;
747 dp->rd_crtcs[0].rc_number = i;
748 }
749
750 /* set up port pointer */
751 for (j = 0; j < dp->rd_ncrtcs; j++) {
752 dp->rd_crtcs[j].rc_port =
753 &sc->sc_ports[dp->rd_crtcs[j].rc_number];
754 }
755
756 dp->rd_softc = sc;
757 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
758 dp->rd_bg = WS_DEFAULT_BG;
759 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
760
761 /* for text mode, we pick a resolution that won't
762 * require panning */
763 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
764
765 aprint_normal("%s: display %d: "
766 "initial virtual resolution %dx%d at %d bpp\n",
767 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
768
769 /* now select the *video mode* that we will use */
770 for (j = 0; j < dp->rd_ncrtcs; j++) {
771 const struct videomode *vmp;
772 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
773 dp->rd_virtx, dp->rd_virty);
774
775 /*
776 * virtual resolution should be at least as high as
777 * physical
778 */
779 if (dp->rd_virtx < vmp->hdisplay ||
780 dp->rd_virty < vmp->vdisplay) {
781 dp->rd_virtx = vmp->hdisplay;
782 dp->rd_virty = vmp->vdisplay;
783 }
784
785 dp->rd_crtcs[j].rc_videomode = *vmp;
786 printf("%s: port %d: physical %dx%d %dHz\n",
787 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
788 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
789 vmp->htotal), vmp->vtotal));
790 }
791
792 /* N.B.: radeon wants 64-byte aligned stride */
793 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
794 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
795
796 dp->rd_offset = sc->sc_fboffset * i;
797 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
798 sc->sc_memh) + dp->rd_offset;
799 dp->rd_curoff = sc->sc_fbsize;
800 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
801
802 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
803
804 switch (dp->rd_bpp) {
805 case 8:
806 dp->rd_format = 2;
807 break;
808 case 32:
809 dp->rd_format = 6;
810 break;
811 default:
812 aprint_error("%s: bad depth %d\n", XNAME(sc),
813 dp->rd_bpp);
814 goto error;
815 }
816
817 DPRINTF(("init engine\n"));
818 /* XXX: this seems suspicious - per display engine
819 initialization? */
820 radeonfb_engine_init(dp);
821
822 /* copy the template into place */
823 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
824 dp->rd_wsscreens = dp->rd_wsscreens_storage;
825
826 /* and make up the list */
827 dp->rd_wsscreenlist.nscreens = 1;
828 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
829
830 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
831 &radeonfb_accessops);
832
833 dp->rd_vd.init_screen = radeonfb_init_screen;
834
835 dp->rd_console = 0;
836 prop_dictionary_get_bool(device_properties(sc->sc_dev),
837 "is_console", &dp->rd_console);
838
839 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
840
841
842 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
843 dp->rd_console, &defattr);
844
845 ri = &dp->rd_vscreen.scr_ri;
846
847 /* clear the screen */
848 rasops_unpack_attr(defattr, &fg, &bg, &ul);
849 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
850 ri->ri_devcmap[bg & 0xf]);
851
852 dp->rd_wsscreens->textops = &ri->ri_ops;
853 dp->rd_wsscreens->capabilities = ri->ri_caps;
854 dp->rd_wsscreens->nrows = ri->ri_rows;
855 dp->rd_wsscreens->ncols = ri->ri_cols;
856
857 #ifdef SPLASHSCREEN
858 dp->rd_splash.si_depth = ri->ri_depth;
859 dp->rd_splash.si_bits = ri->ri_bits;
860 dp->rd_splash.si_hwbits = ri->ri_hwbits;
861 dp->rd_splash.si_width = ri->ri_width;
862 dp->rd_splash.si_height = ri->ri_height;
863 dp->rd_splash.si_stride = ri->ri_stride;
864 dp->rd_splash.si_fillrect = NULL;
865 #endif
866 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
867 dp->rd_gc.gc_rop = RADEON_ROP3_S;
868 dp->rd_gc.gc_blitcookie = dp;
869 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
870 (0x800000 / dp->rd_stride) - (dp->rd_virty + 4),
871 dp->rd_virty,
872 ri->ri_font->fontwidth,
873 ri->ri_font->fontheight,
874 defattr);
875 if (dp->rd_console) {
876
877 radeonfb_modeswitch(dp);
878 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
879 defattr);
880 #ifdef SPLASHSCREEN
881 if (splash_render(&dp->rd_splash,
882 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
883 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
884 else
885 #endif
886 vcons_replay_msgbuf(&dp->rd_vscreen);
887 } else {
888
889 /*
890 * since we're not the console we can postpone
891 * the rest until someone actually allocates a
892 * screen for us. but we do clear the screen
893 * at least.
894 */
895 memset(ri->ri_bits, 0, 1024);
896
897 radeonfb_modeswitch(dp);
898 #ifdef SPLASHSCREEN
899 if (splash_render(&dp->rd_splash,
900 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
901 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
902 #endif
903 }
904
905 aa.console = dp->rd_console;
906 aa.scrdata = &dp->rd_wsscreenlist;
907 aa.accessops = &radeonfb_accessops;
908 aa.accesscookie = &dp->rd_vd;
909
910 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
911
912 radeonfb_blank(dp, 0);
913
914 /* Initialise delayed lvds operations for backlight. */
915 callout_init(&dp->rd_bl_lvds_co, 0);
916 callout_setfunc(&dp->rd_bl_lvds_co,
917 radeonfb_lvds_callout, dp);
918 }
919
920 /*
921 * if we have console output via firmware like on sparc64 it may
922 * interfere with DAC programming so program the palette again
923 * here after we took over
924 */
925 radeonfb_init_palette(sc, 0);
926 if (HAS_CRTC2(sc))
927 radeonfb_init_palette(sc, 1);
928
929 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
930 radeonfb_brightness_up, TRUE);
931 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
932 radeonfb_brightness_down, TRUE);
933
934 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
935
936 return;
937
938 error:
939 if (sc->sc_biossz)
940 free(sc->sc_bios, M_DEVBUF);
941
942 if (sc->sc_regsz)
943 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
944
945 if (sc->sc_memsz)
946 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
947 }
948
949 static int
950 radeonfb_drm_print(void *aux, const char *pnp)
951 {
952 if (pnp)
953 aprint_normal("drm at %s", pnp);
954 return (UNCONF);
955 }
956
957 int
958 radeonfb_ioctl(void *v, void *vs,
959 unsigned long cmd, void *d, int flag, struct lwp *l)
960 {
961 struct vcons_data *vd;
962 struct radeonfb_display *dp;
963 struct radeonfb_softc *sc;
964 struct wsdisplay_param *param;
965
966 vd = (struct vcons_data *)v;
967 dp = (struct radeonfb_display *)vd->cookie;
968 sc = dp->rd_softc;
969
970 switch (cmd) {
971 case WSDISPLAYIO_GTYPE:
972 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
973 return 0;
974
975 case WSDISPLAYIO_GINFO:
976 if (vd->active != NULL) {
977 struct wsdisplay_fbinfo *fb;
978 fb = (struct wsdisplay_fbinfo *)d;
979 fb->width = dp->rd_virtx;
980 fb->height = dp->rd_virty;
981 fb->depth = dp->rd_bpp;
982 fb->cmsize = 256;
983 return 0;
984 } else
985 return ENODEV;
986 case WSDISPLAYIO_GVIDEO:
987 if (radeonfb_isblank(dp))
988 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
989 else
990 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
991 return 0;
992
993 case WSDISPLAYIO_SVIDEO:
994 radeonfb_blank(dp,
995 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
996 return 0;
997
998 case WSDISPLAYIO_GETCMAP:
999 #if 0
1000 if (dp->rd_bpp == 8)
1001 return radeonfb_getcmap(sc,
1002 (struct wsdisplay_cmap *)d);
1003 #endif
1004 return EINVAL;
1005
1006 case WSDISPLAYIO_PUTCMAP:
1007 #if 0
1008 if (dp->rd_bpp == 8)
1009 return radeonfb_putcmap(sc,
1010 (struct wsdisplay_cmap *)d);
1011 #endif
1012 return EINVAL;
1013
1014 case WSDISPLAYIO_LINEBYTES:
1015 *(unsigned *)d = dp->rd_stride;
1016 return 0;
1017
1018 case WSDISPLAYIO_SMODE:
1019 if (*(int *)d != dp->rd_wsmode) {
1020 dp->rd_wsmode = *(int *)d;
1021 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1022 (dp->rd_vd.active)) {
1023 radeonfb_engine_init(dp);
1024 glyphcache_wipe(&dp->rd_gc);
1025 radeonfb_init_palette(sc, dp == &sc->sc_displays[0] ? 0 : 1);
1026 radeonfb_modeswitch(dp);
1027 vcons_redraw_screen(dp->rd_vd.active);
1028 }
1029 }
1030 return 0;
1031
1032 case WSDISPLAYIO_GCURMAX:
1033 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1034 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1035 return 0;
1036
1037 case WSDISPLAYIO_SCURSOR:
1038 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1039
1040 case WSDISPLAYIO_GCURSOR:
1041 return EPASSTHROUGH;
1042
1043 case WSDISPLAYIO_GCURPOS:
1044 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1045 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1046 return 0;
1047
1048 case WSDISPLAYIO_SCURPOS:
1049 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1050
1051 case WSDISPLAYIO_SSPLASH:
1052 #if defined(SPLASHSCREEN)
1053 if (*(int *)d == 1) {
1054 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1055 splash_render(&dp->rd_splash,
1056 SPLASH_F_CENTER|SPLASH_F_FILL);
1057 } else
1058 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1059 return 0;
1060 #else
1061 return ENODEV;
1062 #endif
1063 case WSDISPLAYIO_GETPARAM:
1064 param = (struct wsdisplay_param *)d;
1065 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1066 param->min = 0;
1067 param->max = RADEONFB_BACKLIGHT_MAX;
1068 param->curval = radeonfb_get_backlight(dp);
1069 return 0;
1070 }
1071 return EPASSTHROUGH;
1072
1073 case WSDISPLAYIO_SETPARAM:
1074 param = (struct wsdisplay_param *)d;
1075 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1076 return radeonfb_set_backlight(dp, param->curval);
1077 }
1078 return EPASSTHROUGH;
1079
1080 /* PCI config read/write passthrough. */
1081 case PCI_IOC_CFGREAD:
1082 case PCI_IOC_CFGWRITE:
1083 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1084
1085 case WSDISPLAYIO_GET_BUSID:
1086 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1087 sc->sc_pt, d);
1088
1089 case WSDISPLAYIO_GET_EDID: {
1090 struct wsdisplayio_edid_info *ei = d;
1091 return wsdisplayio_get_edid(sc->sc_dev, ei);
1092 }
1093
1094 default:
1095 return EPASSTHROUGH;
1096 }
1097 }
1098
1099 paddr_t
1100 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1101 {
1102 struct vcons_data *vd;
1103 struct radeonfb_display *dp;
1104 struct radeonfb_softc *sc;
1105 paddr_t pa;
1106
1107 vd = (struct vcons_data *)v;
1108 dp = (struct radeonfb_display *)vd->cookie;
1109 sc = dp->rd_softc;
1110
1111 /* XXX: note that we don't allow mapping of registers right now */
1112 /* XXX: this means that the XFree86 radeon driver won't work */
1113 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1114 pa = bus_space_mmap(sc->sc_memt,
1115 sc->sc_memaddr + dp->rd_offset + offset, 0,
1116 prot, BUS_SPACE_MAP_LINEAR);
1117 return pa;
1118 }
1119
1120 #ifdef RADEONFB_MMAP_BARS
1121 /*
1122 * restrict all other mappings to processes with superuser privileges
1123 * or the kernel itself
1124 */
1125 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER,
1126 NULL) != 0) {
1127 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1128 return -1;
1129 }
1130
1131 if ((offset >= sc->sc_regaddr) &&
1132 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1133 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1134 BUS_SPACE_MAP_LINEAR);
1135 }
1136
1137 if ((offset >= sc->sc_memaddr) &&
1138 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1139 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1140 BUS_SPACE_MAP_LINEAR);
1141 }
1142
1143 if ((offset >= sc->sc_romaddr) &&
1144 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1145 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1146 BUS_SPACE_MAP_LINEAR);
1147 }
1148
1149 #ifdef PCI_MAGIC_IO_RANGE
1150 /* allow mapping of IO space */
1151 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1152 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1153 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1154 0, prot, 0);
1155 return pa;
1156 }
1157 #endif /* PCI_MAGIC_IO_RANGE */
1158
1159 #endif /* RADEONFB_MMAP_BARS */
1160
1161 return -1;
1162 }
1163
1164 static void
1165 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1166 {
1167 bus_space_tag_t romt;
1168 bus_space_handle_t romh, biosh;
1169 bus_size_t romsz;
1170 bus_addr_t ptr;
1171
1172 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1173 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1174 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1175 return;
1176 }
1177
1178 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1179 &sc->sc_biossz);
1180 if (sc->sc_biossz == 0) {
1181 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1182 return;
1183 }
1184
1185 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1186 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1187
1188 /* unmap the PCI expansion rom */
1189 bus_space_unmap(romt, romh, romsz);
1190
1191 /* turn off rom decoder now */
1192 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1193 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1194 ~PCI_MAPREG_ROM_ENABLE);
1195
1196 ptr = GETBIOS16(sc, 0x48);
1197 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1198 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1199 sc->sc_flags |= RFB_ATOM;
1200 }
1201
1202 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1203 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1204 }
1205
1206
1207 uint32_t
1208 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1209 {
1210
1211 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1212 }
1213
1214 void
1215 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1216 {
1217
1218 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1219 }
1220
1221 void
1222 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1223 uint32_t andmask, uint32_t ormask)
1224 {
1225 int s;
1226 uint32_t val;
1227
1228 s = splhigh();
1229 val = radeonfb_get32(sc, reg);
1230 val = (val & andmask) | ormask;
1231 radeonfb_put32(sc, reg, val);
1232 splx(s);
1233 }
1234
1235 uint32_t
1236 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1237 {
1238 int s;
1239 uint32_t val;
1240
1241 s = splhigh();
1242 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1243 val = radeonfb_get32(sc, RADEON_MM_DATA);
1244 splx(s);
1245
1246 return (val);
1247 }
1248
1249 void
1250 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1251 {
1252 int s;
1253
1254 s = splhigh();
1255 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1256 radeonfb_put32(sc, RADEON_MM_DATA, val);
1257 splx(s);
1258 }
1259
1260 void
1261 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1262 uint32_t andmask, uint32_t ormask)
1263 {
1264 int s;
1265 uint32_t val;
1266
1267 s = splhigh();
1268 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1269 val = radeonfb_get32(sc, RADEON_MM_DATA);
1270 val = (val & andmask) | ormask;
1271 radeonfb_put32(sc, RADEON_MM_DATA, val);
1272 splx(s);
1273 }
1274
1275 uint32_t
1276 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1277 {
1278 int s;
1279 uint32_t val;
1280
1281 s = splhigh();
1282 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
1283 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1284 if (HAS_R300CG(sc))
1285 radeonfb_r300cg_workaround(sc);
1286 splx(s);
1287
1288 return (val);
1289 }
1290
1291 void
1292 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1293 {
1294 int s;
1295
1296 s = splhigh();
1297 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1298 RADEON_PLL_WR_EN);
1299 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1300 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1301 splx(s);
1302 }
1303
1304 void
1305 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1306 uint32_t andmask, uint32_t ormask)
1307 {
1308 int s;
1309 uint32_t val;
1310
1311 s = splhigh();
1312 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1313 RADEON_PLL_WR_EN);
1314 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1315 val = (val & andmask) | ormask;
1316 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1317 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1318 splx(s);
1319 }
1320
1321 int
1322 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1323 {
1324 uint32_t saved;
1325
1326 saved = GET32(sc, reg);
1327 PUT32(sc, reg, v);
1328 if (GET32(sc, reg) != v) {
1329 return -1;
1330 }
1331 PUT32(sc, reg, saved);
1332 return 0;
1333 }
1334
1335 uintmax_t
1336 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1337 uintmax_t defval)
1338 {
1339 prop_number_t pn;
1340 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1341 if (pn == NULL) {
1342 return defval;
1343 }
1344 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1345 return (prop_number_integer_value(pn));
1346 }
1347
1348 int
1349 radeonfb_getclocks(struct radeonfb_softc *sc)
1350 {
1351 bus_addr_t ptr;
1352 int refclk = 0;
1353 int refdiv = 0;
1354 int minpll = 0;
1355 int maxpll = 0;
1356
1357 /* load initial property values if port/board provides them */
1358 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1359 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1360 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1361 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1362
1363 if (refclk && refdiv && minpll && maxpll)
1364 goto dontprobe;
1365
1366 if (!sc->sc_biossz) {
1367 /* no BIOS */
1368 aprint_verbose("%s: No video BIOS, using default clocks\n",
1369 XNAME(sc));
1370 if (IS_IGP(sc))
1371 refclk = refclk ? refclk : 1432;
1372 else
1373 refclk = refclk ? refclk : 2700;
1374 refdiv = refdiv ? refdiv : 12;
1375 minpll = minpll ? minpll : 12500;
1376 maxpll = maxpll ? maxpll : 35000;
1377 } else if (IS_ATOM(sc)) {
1378 /* ATOM BIOS */
1379 ptr = GETBIOS16(sc, 0x48);
1380 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1381 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1382 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1383 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1384 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1385 /*
1386 * ATOM BIOS doesn't supply a reference divider, so we
1387 * have to probe for it.
1388 */
1389 if (refdiv < 2)
1390 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1391 RADEON_PPLL_REF_DIV_MASK;
1392 /*
1393 * if probe is zero, just assume one that should work
1394 * for most parts
1395 */
1396 if (refdiv < 2)
1397 refdiv = 12;
1398
1399 } else {
1400 /* Legacy BIOS */
1401 ptr = GETBIOS16(sc, 0x48);
1402 ptr = GETBIOS16(sc, ptr + 0x30);
1403 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1404 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1405 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1406 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1407 }
1408
1409
1410 dontprobe:
1411 sc->sc_refclk = refclk * 10;
1412 sc->sc_refdiv = refdiv;
1413 sc->sc_minpll = minpll * 10;
1414 sc->sc_maxpll = maxpll * 10;
1415 return 0;
1416 }
1417
1418 int
1419 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1420 uint32_t *postdivbit, uint32_t *feedbackdiv)
1421 {
1422 int i;
1423 uint32_t outfreq;
1424 int div;
1425
1426 DPRINTF(("dot clock: %u\n", dotclock));
1427 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1428 outfreq = div * dotclock;
1429 if ((outfreq >= sc->sc_minpll) &&
1430 (outfreq <= sc->sc_maxpll)) {
1431 DPRINTF(("outfreq: %u\n", outfreq));
1432 *postdivbit =
1433 ((uint32_t)radeonfb_dividers[i].mask << 16);
1434 DPRINTF(("post divider: %d (mask %x)\n", div,
1435 *postdivbit));
1436 break;
1437 }
1438 }
1439
1440 if (div == 0)
1441 return 1;
1442
1443 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1444 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1445 return 0;
1446 }
1447
1448 #if 0
1449 #ifdef RADEONFB_DEBUG
1450 static void
1451 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1452 {
1453 char asc[17];
1454 unsigned ptr = (unsigned)buffer;
1455 char *start = (char *)(ptr & ~0xf);
1456 char *end = (char *)(ptr + size);
1457
1458 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1459
1460 if (pfx == NULL) {
1461 pfx = "";
1462 }
1463
1464 while (start < end) {
1465 unsigned offset = (unsigned)start & 0xf;
1466 if (offset == 0) {
1467 printf("%s%x: ", pfx, (unsigned)start);
1468 }
1469 if (((unsigned)start < ptr) ||
1470 ((unsigned)start >= (ptr + size))) {
1471 printf(" ");
1472 asc[offset] = ' ';
1473 } else {
1474 printf("%02x", *(unsigned char *)start);
1475 if ((*start >= ' ') && (*start <= '~')) {
1476 asc[offset] = *start;
1477 } else {
1478 asc[offset] = '.';
1479 }
1480 }
1481 asc[offset + 1] = 0;
1482 if (offset % 2) {
1483 printf(" ");
1484 }
1485 if (offset == 15) {
1486 printf(" %s\n", asc);
1487 }
1488 start++;
1489 }
1490 }
1491 #endif
1492 #endif
1493
1494 int
1495 radeonfb_getconnectors(struct radeonfb_softc *sc)
1496 {
1497 int i;
1498 int found = 0;
1499
1500 for (i = 0; i < 2; i++) {
1501 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1502 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1503 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1504 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1505 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1506 }
1507
1508 /*
1509 * This logic is borrowed from Xorg's radeon driver.
1510 */
1511 if (!sc->sc_biossz)
1512 goto nobios;
1513
1514 if (IS_ATOM(sc)) {
1515 /* not done yet */
1516 } else {
1517 uint16_t ptr;
1518 int port = 0;
1519
1520 ptr = GETBIOS16(sc, 0x48);
1521 ptr = GETBIOS16(sc, ptr + 0x50);
1522 for (i = 1; i < 4; i++) {
1523 uint16_t entry;
1524 uint8_t conn, ddc, dac, tmds;
1525
1526 /*
1527 * Parse the connector table. From reading the code,
1528 * it appears to made up of 16-bit entries for each
1529 * connector. The 16-bits are defined as:
1530 *
1531 * bits 12-15 - connector type (0 == end of table)
1532 * bits 8-11 - DDC type
1533 * bits 5-7 - ???
1534 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1535 * bits 1-3 - ???
1536 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1537 */
1538 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1539 break;
1540 entry = GETBIOS16(sc, ptr + i * 2);
1541
1542 conn = (entry >> 12) & 0xf;
1543 ddc = (entry >> 8) & 0xf;
1544 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1545 RADEON_DAC_PRIMARY;
1546 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1547 RADEON_TMDS_INT;
1548
1549 if (conn == RADEON_CONN_NONE)
1550 continue; /* no connector */
1551
1552 if ((found > 0) &&
1553 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1554 /* duplicate entry for same connector */
1555 continue;
1556 }
1557
1558 /* internal DDC_DVI port gets priority */
1559 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1560 port = 0;
1561 else
1562 port = 1;
1563
1564 sc->sc_ports[port].rp_ddc_type =
1565 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1566 sc->sc_ports[port].rp_dac_type = dac;
1567 sc->sc_ports[port].rp_conn_type =
1568 min(conn, RADEON_CONN_UNSUPPORTED) ;
1569
1570 sc->sc_ports[port].rp_tmds_type = tmds;
1571
1572 if ((conn != RADEON_CONN_DVI_I) &&
1573 (conn != RADEON_CONN_DVI_D) &&
1574 (tmds == RADEON_TMDS_INT))
1575 sc->sc_ports[port].rp_tmds_type =
1576 RADEON_TMDS_UNKNOWN;
1577
1578 found += (port + 1);
1579 }
1580 }
1581
1582 nobios:
1583 if (!found) {
1584 DPRINTF(("No connector info in BIOS!\n"));
1585 /* default, port 0 = internal TMDS, port 1 = CRT */
1586 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1587 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1588 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1589 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1590 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1591
1592 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1593 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1594 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1595 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1596 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1597 }
1598
1599 /*
1600 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1601 * these chips should use TVDAC for the VGA port.
1602 */
1603 if (HAS_SDAC(sc)) {
1604 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1605 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1606 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1607 } else {
1608 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1609 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1610 }
1611 } else if (!HAS_CRTC2(sc)) {
1612 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1613 }
1614
1615 for (i = 0; i < 2; i++) {
1616 char edid[128];
1617 uint8_t ddc;
1618 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1619 prop_data_t edid_data;
1620
1621 DPRINTF(("Port #%d:\n", i));
1622 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1623 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1624 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1625 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1626
1627 sc->sc_ports[i].rp_edid_valid = 0;
1628 /* first look for static EDID data */
1629 if ((edid_data = prop_dictionary_get(device_properties(
1630 sc->sc_dev), "EDID")) != NULL) {
1631
1632 aprint_normal_dev(sc->sc_dev, "using static EDID\n");
1633 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1634 if (edid_parse(edid, eip) == 0) {
1635
1636 sc->sc_ports[i].rp_edid_valid = 1;
1637 }
1638 }
1639 /* if we didn't find any we'll try to talk to the monitor */
1640 if (sc->sc_ports[i].rp_edid_valid != 1) {
1641
1642 ddc = sc->sc_ports[i].rp_ddc_type;
1643 if (ddc != RADEON_DDC_NONE) {
1644 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1645 == 0) && (edid_parse(edid, eip) == 0)) {
1646
1647 sc->sc_ports[i].rp_edid_valid = 1;
1648 edid_print(eip);
1649 }
1650 }
1651 }
1652 }
1653
1654 return found;
1655 }
1656
1657 int
1658 radeonfb_gettmds(struct radeonfb_softc *sc)
1659 {
1660 int i;
1661
1662 if (!sc->sc_biossz) {
1663 goto nobios;
1664 }
1665
1666 if (IS_ATOM(sc)) {
1667 /* XXX: not done yet */
1668 } else {
1669 uint16_t ptr;
1670 int n;
1671
1672 ptr = GETBIOS16(sc, 0x48);
1673 ptr = GETBIOS16(sc, ptr + 0x34);
1674 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1675 if (GETBIOS8(sc, ptr) == 3) {
1676 /* revision three table */
1677 n = GETBIOS8(sc, ptr + 5) + 1;
1678 n = min(n, 4);
1679
1680 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1681 for (i = 0; i < n; i++) {
1682 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1683 ptr + i * 10 + 8);
1684 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1685 ptr + i * 10 + 0x10);
1686 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1687 sc->sc_tmds_pll[i].rtp_freq,
1688 sc->sc_tmds_pll[i].rtp_pll));
1689 }
1690 return 0;
1691 }
1692 }
1693
1694 nobios:
1695 DPRINTF(("no suitable DFP table present\n"));
1696 for (i = 0;
1697 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1698 i++) {
1699 int j;
1700
1701 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1702 continue;
1703
1704 for (j = 0; j < 4; j++) {
1705 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1706 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1707 sc->sc_tmds_pll[j].rtp_freq,
1708 sc->sc_tmds_pll[j].rtp_pll));
1709 }
1710 return 0;
1711 }
1712
1713 return -1;
1714 }
1715
1716 const struct videomode *
1717 radeonfb_modelookup(const char *name)
1718 {
1719 int i;
1720
1721 for (i = 0; i < videomode_count; i++)
1722 if (!strcmp(name, videomode_list[i].name))
1723 return &videomode_list[i];
1724
1725 return NULL;
1726 }
1727
1728 void
1729 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1730 {
1731 if (crtc) {
1732 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1733 RADEON_P2PLL_ATOMIC_UPDATE_R);
1734 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1735 } else {
1736 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1737 RADEON_PPLL_ATOMIC_UPDATE_R);
1738 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1739 }
1740 }
1741
1742 void
1743 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1744 {
1745 int i;
1746
1747 for (i = 10000; i; i--) {
1748 if (crtc) {
1749 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1750 RADEON_P2PLL_ATOMIC_UPDATE_R)
1751 break;
1752 } else {
1753 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1754 RADEON_PPLL_ATOMIC_UPDATE_R)
1755 break;
1756 }
1757 }
1758 }
1759
1760 void
1761 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1762 {
1763 uint32_t pbit = 0;
1764 uint32_t feed = 0;
1765 uint32_t data;
1766 #if 1
1767 int i;
1768 #endif
1769
1770 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1771
1772 if (crtc == 0) {
1773
1774 /* XXXX: mobility workaround missing */
1775 /* XXXX: R300 stuff missing */
1776
1777 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1778 RADEON_VCLK_SRC_SEL_CPUCLK,
1779 ~RADEON_VCLK_SRC_SEL_MASK);
1780
1781 /* put vclk into reset, use atomic updates */
1782 SETPLL(sc, RADEON_PPLL_CNTL,
1783 RADEON_PPLL_REFCLK_SEL |
1784 RADEON_PPLL_FBCLK_SEL |
1785 RADEON_PPLL_RESET |
1786 RADEON_PPLL_ATOMIC_UPDATE_EN |
1787 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1788
1789 /* select clock 3 */
1790 #if 0
1791 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
1792 ~RADEON_PLL_DIV_SEL);
1793 #else
1794 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1795 ~RADEON_PLL_DIV_SEL);
1796 #endif
1797
1798 /* XXX: R300 family -- program divider differently? */
1799
1800 /* program reference divider */
1801 PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
1802 ~RADEON_PPLL_REF_DIV_MASK);
1803 PRINTPLL(RADEON_PPLL_REF_DIV);
1804
1805 #if 0
1806 data = GETPLL(sc, RADEON_PPLL_DIV_3);
1807 data &= ~(RADEON_PPLL_FB3_DIV_MASK |
1808 RADEON_PPLL_POST3_DIV_MASK);
1809 data |= pbit;
1810 data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1811 PUTPLL(sc, RADEON_PPLL_DIV_3, data);
1812 #else
1813 for (i = 0; i < 4; i++) {
1814 }
1815 #endif
1816
1817 /* use the atomic update */
1818 radeonfb_pllwriteupdate(sc, crtc);
1819
1820 /* and wait for it to complete */
1821 radeonfb_pllwaitatomicread(sc, crtc);
1822
1823 /* program HTOTAL (why?) */
1824 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1825
1826 /* drop reset */
1827 CLRPLL(sc, RADEON_PPLL_CNTL,
1828 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
1829 RADEON_PPLL_ATOMIC_UPDATE_EN |
1830 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1831
1832 PRINTPLL(RADEON_PPLL_CNTL);
1833
1834 /* give clock time to lock */
1835 delay(50000);
1836
1837 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1838 RADEON_VCLK_SRC_SEL_PPLLCLK,
1839 ~RADEON_VCLK_SRC_SEL_MASK);
1840
1841 } else {
1842
1843 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1844 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
1845 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1846
1847 /* put vclk into reset, use atomic updates */
1848 SETPLL(sc, RADEON_P2PLL_CNTL,
1849 RADEON_P2PLL_RESET |
1850 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1851 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1852
1853 /* XXX: R300 family -- program divider differently? */
1854
1855 /* program reference divider */
1856 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
1857 ~RADEON_P2PLL_REF_DIV_MASK);
1858
1859 /* program feedback and post dividers */
1860 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
1861 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
1862 RADEON_P2PLL_POST0_DIV_MASK);
1863 data |= pbit;
1864 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
1865 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
1866
1867 /* use the atomic update */
1868 radeonfb_pllwriteupdate(sc, crtc);
1869
1870 /* and wait for it to complete */
1871 radeonfb_pllwaitatomicread(sc, crtc);
1872
1873 /* program HTOTAL (why?) */
1874 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
1875
1876 /* drop reset */
1877 CLRPLL(sc, RADEON_P2PLL_CNTL,
1878 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
1879 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1880 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1881
1882 /* allow time for clock to lock */
1883 delay(50000);
1884
1885 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1886 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
1887 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1888 }
1889 PRINTREG(RADEON_CRTC_MORE_CNTL);
1890 }
1891
1892 void
1893 radeonfb_modeswitch(struct radeonfb_display *dp)
1894 {
1895 struct radeonfb_softc *sc = dp->rd_softc;
1896 int i;
1897
1898 /* blank the display while we switch modes */
1899 radeonfb_blank(dp, 1);
1900
1901 #if 0
1902 SET32(sc, RADEON_CRTC_EXT_CNTL,
1903 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1904 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1905 #endif
1906
1907 /* these registers might get in the way... */
1908 PUT32(sc, RADEON_OVR_CLR, 0);
1909 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
1910 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
1911 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
1912 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
1913 PUT32(sc, RADEON_VIPH_CONTROL, 0);
1914 PUT32(sc, RADEON_I2C_CNTL_1, 0);
1915 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
1916 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
1917 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
1918 PUT32(sc, RADEON_SURFACE_CNTL, 0);
1919
1920 for (i = 0; i < dp->rd_ncrtcs; i++)
1921 radeonfb_setcrtc(dp, i);
1922
1923 /* activate the display */
1924 radeonfb_blank(dp, 0);
1925 }
1926
1927 void
1928 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
1929 {
1930 int crtc;
1931 struct videomode *mode;
1932 struct radeonfb_softc *sc;
1933 struct radeonfb_crtc *cp;
1934 uint32_t v;
1935 uint32_t gencntl;
1936 uint32_t htotaldisp;
1937 uint32_t hsyncstrt;
1938 uint32_t vtotaldisp;
1939 uint32_t vsyncstrt;
1940 uint32_t fphsyncstrt;
1941 uint32_t fpvsyncstrt;
1942 uint32_t fphtotaldisp;
1943 uint32_t fpvtotaldisp;
1944 uint32_t pitch;
1945
1946 sc = dp->rd_softc;
1947 cp = &dp->rd_crtcs[index];
1948 crtc = cp->rc_number;
1949 mode = &cp->rc_videomode;
1950
1951 #if 1
1952 pitch = (((dp->rd_virtx * dp->rd_bpp) + ((dp->rd_bpp * 8) - 1)) /
1953 (dp->rd_bpp * 8));
1954 #else
1955 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
1956 (sc->sc_maxbpp * 8));
1957 #endif
1958
1959 switch (crtc) {
1960 case 0:
1961 gencntl = RADEON_CRTC_GEN_CNTL;
1962 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
1963 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
1964 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
1965 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
1966 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
1967 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
1968 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
1969 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
1970 break;
1971 case 1:
1972 gencntl = RADEON_CRTC2_GEN_CNTL;
1973 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
1974 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
1975 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
1976 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
1977 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
1978 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
1979 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
1980 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
1981 break;
1982 default:
1983 panic("Bad CRTC!");
1984 break;
1985 }
1986
1987 /*
1988 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
1989 */
1990 /* only bother with 32bpp and 8bpp */
1991 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
1992
1993 if (crtc == 1) {
1994 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
1995 } else {
1996 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
1997 }
1998
1999 if (mode->flags & VID_DBLSCAN)
2000 v |= RADEON_CRTC2_DBL_SCAN_EN;
2001
2002 if (mode->flags & VID_INTERLACE)
2003 v |= RADEON_CRTC2_INTERLACE_EN;
2004
2005 if (mode->flags & VID_CSYNC) {
2006 v |= RADEON_CRTC2_CSYNC_EN;
2007 if (crtc == 1)
2008 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2009 }
2010
2011 PUT32(sc, gencntl, v);
2012 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2013
2014 /*
2015 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2016 */
2017 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2018 if (crtc == 0) {
2019 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2020 RADEON_CRTC_DISPLAY_DIS);
2021 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2022 if (mode->flags & VID_CSYNC)
2023 v |= RADEON_CRTC_VSYNC_TRISTAT;
2024 }
2025 /* unconditional turn on CRT, in case first CRTC is DFP */
2026 v |= RADEON_CRTC_CRT_ON;
2027 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2028 PRINTREG(RADEON_CRTC_EXT_CNTL);
2029
2030 /*
2031 * H_TOTAL_DISP
2032 */
2033 v = ((mode->hdisplay / 8) - 1) << 16;
2034 v |= (mode->htotal / 8) - 1;
2035 PUT32(sc, htotaldisp, v);
2036 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2037 PUT32(sc, fphtotaldisp, v);
2038 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2039
2040 /*
2041 * H_SYNC_STRT_WID
2042 */
2043 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2044 v |= mode->hsync_start;
2045 if (mode->flags & VID_NHSYNC)
2046 v |= RADEON_CRTC_H_SYNC_POL;
2047 PUT32(sc, hsyncstrt, v);
2048 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2049 PUT32(sc, fphsyncstrt, v);
2050 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2051
2052 /*
2053 * V_TOTAL_DISP
2054 */
2055 v = ((mode->vdisplay - 1) << 16);
2056 v |= (mode->vtotal - 1);
2057 PUT32(sc, vtotaldisp, v);
2058 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2059 PUT32(sc, fpvtotaldisp, v);
2060 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2061
2062 /*
2063 * V_SYNC_STRT_WID
2064 */
2065 v = ((mode->vsync_end - mode->vsync_start) << 16);
2066 v |= (mode->vsync_start - 1);
2067 if (mode->flags & VID_NVSYNC)
2068 v |= RADEON_CRTC_V_SYNC_POL;
2069 PUT32(sc, vsyncstrt, v);
2070 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2071 PUT32(sc, fpvsyncstrt, v);
2072 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2073
2074 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2075
2076 switch (crtc) {
2077 case 0:
2078 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2079 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2080 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2081 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2082
2083 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2084 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2085 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2086 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2087 PRINTREG(RADEON_CRTC_EXT_CNTL);
2088 PRINTREG(RADEON_CRTC_GEN_CNTL);
2089 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2090 break;
2091
2092 case 1:
2093 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2094 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2095 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2096 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2097 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2098 RADEON_CRTC2_VSYNC_DIS |
2099 RADEON_CRTC2_HSYNC_DIS |
2100 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2101 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2102 break;
2103 }
2104 }
2105
2106 int
2107 radeonfb_isblank(struct radeonfb_display *dp)
2108 {
2109 uint32_t reg, mask;
2110
2111 if (dp->rd_crtcs[0].rc_number) {
2112 reg = RADEON_CRTC2_GEN_CNTL;
2113 mask = RADEON_CRTC2_DISP_DIS;
2114 } else {
2115 reg = RADEON_CRTC_EXT_CNTL;
2116 mask = RADEON_CRTC_DISPLAY_DIS;
2117 }
2118 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2119 }
2120
2121 void
2122 radeonfb_blank(struct radeonfb_display *dp, int blank)
2123 {
2124 struct radeonfb_softc *sc = dp->rd_softc;
2125 uint32_t reg, mask;
2126 uint32_t fpreg, fpval;
2127 int i;
2128
2129 for (i = 0; i < dp->rd_ncrtcs; i++) {
2130
2131 if (dp->rd_crtcs[i].rc_number) {
2132 reg = RADEON_CRTC2_GEN_CNTL;
2133 mask = RADEON_CRTC2_DISP_DIS;
2134 fpreg = RADEON_FP2_GEN_CNTL;
2135 fpval = RADEON_FP2_ON;
2136 } else {
2137 reg = RADEON_CRTC_EXT_CNTL;
2138 mask = RADEON_CRTC_DISPLAY_DIS;
2139 fpreg = RADEON_FP_GEN_CNTL;
2140 fpval = RADEON_FP_FPON;
2141 }
2142
2143 if (blank) {
2144 SET32(sc, reg, mask);
2145 CLR32(sc, fpreg, fpval);
2146 } else {
2147 CLR32(sc, reg, mask);
2148 SET32(sc, fpreg, fpval);
2149 }
2150 }
2151 PRINTREG(RADEON_FP_GEN_CNTL);
2152 PRINTREG(RADEON_FP2_GEN_CNTL);
2153 }
2154
2155 void
2156 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2157 long *defattr)
2158 {
2159 struct radeonfb_display *dp = cookie;
2160 struct rasops_info *ri = &scr->scr_ri;
2161
2162 /* initialize font subsystem */
2163 wsfont_init();
2164
2165 DPRINTF(("init screen called, existing %d\n", existing));
2166
2167 ri->ri_depth = dp->rd_bpp;
2168 ri->ri_width = dp->rd_virtx;
2169 ri->ri_height = dp->rd_virty;
2170 ri->ri_stride = dp->rd_stride;
2171 ri->ri_flg = RI_CENTER;
2172 if (ri->ri_depth == 32) {
2173 ri->ri_flg |= RI_ENABLE_ALPHA;
2174 }
2175 ri->ri_bits = (void *)dp->rd_fbptr;
2176
2177 #ifdef VCONS_DRAW_INTR
2178 scr->scr_flags |= VCONS_DONT_READ;
2179 #endif
2180
2181 /* this is rgb in "big-endian order..." */
2182 ri->ri_rnum = 8;
2183 ri->ri_gnum = 8;
2184 ri->ri_bnum = 8;
2185 ri->ri_rpos = 16;
2186 ri->ri_gpos = 8;
2187 ri->ri_bpos = 0;
2188
2189 if (existing) {
2190 ri->ri_flg |= RI_CLEAR;
2191
2192 /* start a modeswitch now */
2193 radeonfb_modeswitch(dp);
2194 }
2195
2196 /*
2197 * XXX: font selection should be based on properties, with some
2198 * normal/reasonable default.
2199 */
2200
2201 /* initialize and look for an initial font */
2202 rasops_init(ri, 0, 0);
2203 ri->ri_caps = WSSCREEN_WSCOLORS;
2204
2205 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2206 dp->rd_virtx / ri->ri_font->fontwidth);
2207
2208 /* enable acceleration */
2209 dp->rd_putchar = ri->ri_ops.putchar;
2210 ri->ri_ops.copyrows = radeonfb_copyrows;
2211 ri->ri_ops.copycols = radeonfb_copycols;
2212 ri->ri_ops.eraserows = radeonfb_eraserows;
2213 ri->ri_ops.erasecols = radeonfb_erasecols;
2214 /* pick a putchar method based on font and Radeon model */
2215 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2216 /* got a bitmap font */
2217 if (IS_R300(dp->rd_softc)) {
2218 /*
2219 * radeonfb_putchar() doesn't work right on some R3xx
2220 * so we use software drawing here, the wrapper just
2221 * makes sure the engine is idle before scribbling
2222 * into vram
2223 */
2224 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2225 } else {
2226 ri->ri_ops.putchar = radeonfb_putchar;
2227 }
2228 } else {
2229 /* got an alpha font */
2230 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2231 }
2232 ri->ri_ops.cursor = radeonfb_cursor;
2233 }
2234
2235 void
2236 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2237 {
2238 uint32_t gen, ext, gen2 = 0;
2239 uint32_t agploc, aperbase, apersize, mcfbloc;
2240
2241 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2242 ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
2243 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2244 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2245 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2246
2247 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2248 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2249 //PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2250 //PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2251
2252 if (HAS_CRTC2(sc)) {
2253 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2254 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2255 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2256 }
2257
2258 delay(100000);
2259
2260 mcfbloc = (aperbase >> 16) |
2261 ((aperbase + (apersize - 1)) & 0xffff0000);
2262
2263 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2264 sc->sc_memsz = apersize;
2265
2266 if (((agploc & 0xffff) << 16) !=
2267 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2268 agploc = mcfbloc & 0xffff0000U;
2269 agploc |= ((agploc + 0x10000) >> 16);
2270 }
2271
2272 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2273
2274 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2275 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2276
2277 DPRINTF(("aperbase = %u\n", aperbase));
2278 PRINTREG(RADEON_MC_FB_LOCATION);
2279 PRINTREG(RADEON_MC_AGP_LOCATION);
2280
2281 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2282
2283 if (HAS_CRTC2(sc))
2284 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2285
2286 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2287
2288 #if 0
2289 /* XXX: what is this AGP garbage? :-) */
2290 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2291 #endif
2292
2293 delay(100000);
2294
2295 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2296 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2297
2298 if (HAS_CRTC2(sc))
2299 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2300 }
2301
2302 void
2303 radeonfb_init_misc(struct radeonfb_softc *sc)
2304 {
2305 PUT32(sc, RADEON_BUS_CNTL,
2306 RADEON_BUS_MASTER_DIS |
2307 RADEON_BUS_PREFETCH_MODE_ACT |
2308 RADEON_BUS_PCI_READ_RETRY_EN |
2309 RADEON_BUS_PCI_WRT_RETRY_EN |
2310 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2311 RADEON_BUS_MSTR_RD_MULT |
2312 RADEON_BUS_MSTR_RD_LINE |
2313 RADEON_BUS_RD_DISCARD_EN |
2314 RADEON_BUS_MSTR_DISCONNECT_EN |
2315 RADEON_BUS_READ_BURST);
2316
2317 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2318 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2319 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2320 PUT32(sc, RADEON_RBBM_CNTL,
2321 (3 << RADEON_RB_SETTLE_SHIFT) |
2322 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2323 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2324 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2325
2326 /* XXX: figure out what these mean! */
2327 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2328 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2329 //PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2330
2331 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2332 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2333 }
2334
2335 /*
2336 * This loads a linear color map for true color.
2337 */
2338 void
2339 radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
2340 {
2341 int i;
2342 uint32_t vclk;
2343
2344 #define DAC_WIDTH ((1 << 10) - 1)
2345 #define CLUT_WIDTH ((1 << 8) - 1)
2346 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2347
2348 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2349 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2350
2351 if (crtc)
2352 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2353 else
2354 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2355
2356 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2357 if (sc->sc_displays[crtc].rd_bpp == 0)
2358 sc->sc_displays[crtc].rd_bpp = RADEONFB_DEFAULT_DEPTH;
2359
2360 if (sc->sc_displays[crtc].rd_bpp == 8) {
2361 /* ANSI palette */
2362 int j = 0;
2363
2364 for (i = 0; i <= CLUT_WIDTH; ++i) {
2365 PUT32(sc, RADEON_PALETTE_30_DATA,
2366 (rasops_cmap[j] << 22) |
2367 (rasops_cmap[j + 1] << 12) |
2368 (rasops_cmap[j + 2] << 2));
2369 j += 3;
2370 }
2371 } else {
2372 /* linear ramp */
2373 for (i = 0; i <= CLUT_WIDTH; ++i) {
2374 PUT32(sc, RADEON_PALETTE_30_DATA,
2375 (CLUT_COLOR(i) << 10) |
2376 (CLUT_COLOR(i) << 20) |
2377 (CLUT_COLOR(i)));
2378 }
2379 }
2380
2381 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2382 PRINTREG(RADEON_DAC_CNTL2);
2383
2384 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2385 }
2386
2387 /*
2388 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2389 */
2390 void
2391 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2392 {
2393 uint32_t tmp, save;
2394
2395 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2396 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2397 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2398 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2399 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2400 }
2401
2402 /*
2403 * Acceleration entry points.
2404 */
2405
2406 /* this one draws characters using bitmap fonts */
2407 static void
2408 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2409 {
2410 struct rasops_info *ri = cookie;
2411 struct vcons_screen *scr = ri->ri_hw;
2412 struct radeonfb_display *dp = scr->scr_cookie;
2413 struct radeonfb_softc *sc = dp->rd_softc;
2414 struct wsdisplay_font *font = PICK_FONT(ri, c);
2415 uint32_t w, h;
2416 int xd, yd, offset, i;
2417 uint32_t bg, fg, gmc;
2418 uint32_t reg;
2419 uint8_t *data8;
2420 uint16_t *data16;
2421 void *data;
2422
2423 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2424 return;
2425
2426 if (!CHAR_IN_FONT(c, font))
2427 return;
2428
2429 w = font->fontwidth;
2430 h = font->fontheight;
2431
2432 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2433 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2434
2435 xd = ri->ri_xorigin + col * w;
2436 yd = ri->ri_yorigin + row * h;
2437
2438 if (c == 0x20) {
2439 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2440 return;
2441 }
2442 data = WSFONT_GLYPH(c, font);
2443
2444 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2445
2446 radeonfb_wait_fifo(sc, 9);
2447
2448 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2449 RADEON_GMC_BRUSH_NONE |
2450 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2451 RADEON_GMC_DST_CLIPPING |
2452 RADEON_ROP3_S |
2453 RADEON_DP_SRC_SOURCE_HOST_DATA |
2454 RADEON_GMC_CLR_CMP_CNTL_DIS |
2455 RADEON_GMC_WR_MSK_DIS |
2456 gmc);
2457
2458 PUT32(sc, RADEON_SC_LEFT, xd);
2459 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2460 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2461 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2462 PUT32(sc, RADEON_DP_CNTL,
2463 RADEON_DST_X_LEFT_TO_RIGHT |
2464 RADEON_DST_Y_TOP_TO_BOTTOM);
2465
2466 PUT32(sc, RADEON_SRC_X_Y, 0);
2467 offset = 32 - (font->stride << 3);
2468 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2469 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2470
2471 radeonfb_wait_fifo(sc, h);
2472 switch (font->stride) {
2473 case 1: {
2474 data8 = data;
2475 for (i = 0; i < h; i++) {
2476 reg = *data8;
2477 bus_space_write_stream_4(sc->sc_regt,
2478 sc->sc_regh, RADEON_HOST_DATA0, reg);
2479 data8++;
2480 }
2481 break;
2482 }
2483 case 2: {
2484 data16 = data;
2485 for (i = 0; i < h; i++) {
2486 reg = *data16;
2487 bus_space_write_stream_4(sc->sc_regt,
2488 sc->sc_regh, RADEON_HOST_DATA0, reg);
2489 data16++;
2490 }
2491 break;
2492 }
2493 }
2494 }
2495
2496 /* ... while this one is for anti-aliased ones */
2497 static void
2498 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
2499 {
2500 struct rasops_info *ri = cookie;
2501 struct vcons_screen *scr = ri->ri_hw;
2502 struct radeonfb_display *dp = scr->scr_cookie;
2503 struct radeonfb_softc *sc = dp->rd_softc;
2504 struct wsdisplay_font *font = PICK_FONT(ri, c);
2505 uint32_t bg, fg, gmc;
2506 uint8_t *data;
2507 int w, h, xd, yd;
2508 int i, r, g, b, aval;
2509 int rf, gf, bf, rb, gb, bb;
2510 uint32_t pixel;
2511 int rv;
2512
2513 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2514 return;
2515
2516 if (!CHAR_IN_FONT(c, font))
2517 return;
2518
2519 w = font->fontwidth;
2520 h = font->fontheight;
2521
2522 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2523 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2524
2525 xd = ri->ri_xorigin + col * w;
2526 yd = ri->ri_yorigin + row * h;
2527
2528 if (c == 0x20) {
2529 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2530 return;
2531 }
2532 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
2533 if (rv == GC_OK)
2534 return;
2535
2536 data = WSFONT_GLYPH(c, font);
2537
2538 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2539
2540 radeonfb_wait_fifo(sc, 5);
2541
2542 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2543 RADEON_GMC_BRUSH_NONE |
2544 RADEON_GMC_SRC_DATATYPE_COLOR |
2545 RADEON_ROP3_S |
2546 RADEON_DP_SRC_SOURCE_HOST_DATA |
2547 RADEON_GMC_CLR_CMP_CNTL_DIS |
2548 RADEON_GMC_WR_MSK_DIS |
2549 gmc);
2550
2551 PUT32(sc, RADEON_DP_CNTL,
2552 RADEON_DST_X_LEFT_TO_RIGHT |
2553 RADEON_DST_Y_TOP_TO_BOTTOM);
2554
2555 PUT32(sc, RADEON_SRC_X_Y, 0);
2556 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2557 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
2558
2559 rf = (fg >> 16) & 0xff;
2560 rb = (bg >> 16) & 0xff;
2561 gf = (fg >> 8) & 0xff;
2562 gb = (bg >> 8) & 0xff;
2563 bf = fg & 0xff;
2564 bb = bg & 0xff;
2565
2566 /*
2567 * I doubt we can upload data faster than even the slowest Radeon
2568 * could process them, especially when doing the alpha blending stuff
2569 * along the way, so just make sure there's some room in the FIFO and
2570 * then hammer away
2571 * As it turns out we can, so make periodic stops to let the FIFO
2572 * drain.
2573 */
2574 radeonfb_wait_fifo(sc, 20);
2575 for (i = 0; i < ri->ri_fontscale; i++) {
2576 aval = *data;
2577 data++;
2578 if (aval == 0) {
2579 pixel = bg;
2580 } else if (aval == 255) {
2581 pixel = fg;
2582 } else {
2583 r = aval * rf + (255 - aval) * rb;
2584 g = aval * gf + (255 - aval) * gb;
2585 b = aval * bf + (255 - aval) * bb;
2586 pixel = (r & 0xff00) << 8 |
2587 (g & 0xff00) |
2588 (b & 0xff00) >> 8;
2589 }
2590 if (i & 16)
2591 radeonfb_wait_fifo(sc, 20);
2592 PUT32(sc, RADEON_HOST_DATA0, pixel);
2593 }
2594 if (rv == GC_ADD)
2595 glyphcache_add(&dp->rd_gc, c, xd, yd);
2596 }
2597
2598 /*
2599 * wrapper for software character drawing
2600 * just sync the engine and call rasops*_putchar()
2601 */
2602
2603 static void
2604 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
2605 {
2606 struct rasops_info *ri = cookie;
2607 struct vcons_screen *scr = ri->ri_hw;
2608 struct radeonfb_display *dp = scr->scr_cookie;
2609
2610 radeonfb_engine_idle(dp->rd_softc);
2611 dp->rd_putchar(ri, row, col, c, attr);
2612 }
2613
2614 static void
2615 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2616 {
2617 struct rasops_info *ri = cookie;
2618 struct vcons_screen *scr = ri->ri_hw;
2619 struct radeonfb_display *dp = scr->scr_cookie;
2620 uint32_t x, y, w, h, fg, bg, ul;
2621
2622 /* XXX: check for full emulation mode? */
2623 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2624 x = ri->ri_xorigin;
2625 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2626 w = ri->ri_emuwidth;
2627 h = ri->ri_font->fontheight * nrows;
2628
2629 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2630 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2631 }
2632 }
2633
2634 static void
2635 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
2636 {
2637 struct rasops_info *ri = cookie;
2638 struct vcons_screen *scr = ri->ri_hw;
2639 struct radeonfb_display *dp = scr->scr_cookie;
2640 uint32_t x, ys, yd, w, h;
2641
2642 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2643 x = ri->ri_xorigin;
2644 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
2645 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
2646 w = ri->ri_emuwidth;
2647 h = ri->ri_font->fontheight * nrows;
2648 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
2649 RADEON_ROP3_S);
2650 }
2651 }
2652
2653 static void
2654 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
2655 {
2656 struct rasops_info *ri = cookie;
2657 struct vcons_screen *scr = ri->ri_hw;
2658 struct radeonfb_display *dp = scr->scr_cookie;
2659 uint32_t xs, xd, y, w, h;
2660
2661 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2662 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
2663 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
2664 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2665 w = ri->ri_font->fontwidth * ncols;
2666 h = ri->ri_font->fontheight;
2667 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
2668 RADEON_ROP3_S);
2669 }
2670 }
2671
2672 static void
2673 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
2674 long fillattr)
2675 {
2676 struct rasops_info *ri = cookie;
2677 struct vcons_screen *scr = ri->ri_hw;
2678 struct radeonfb_display *dp = scr->scr_cookie;
2679 uint32_t x, y, w, h, fg, bg, ul;
2680
2681 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2682 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
2683 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2684 w = ri->ri_font->fontwidth * ncols;
2685 h = ri->ri_font->fontheight;
2686
2687 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2688 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2689 }
2690 }
2691
2692 static void
2693 radeonfb_cursor(void *cookie, int on, int row, int col)
2694 {
2695 struct rasops_info *ri = cookie;
2696 struct vcons_screen *scr = ri->ri_hw;
2697 struct radeonfb_display *dp = scr->scr_cookie;
2698 int x, y, wi, he;
2699
2700 wi = ri->ri_font->fontwidth;
2701 he = ri->ri_font->fontheight;
2702
2703 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2704 x = ri->ri_ccol * wi + ri->ri_xorigin;
2705 y = ri->ri_crow * he + ri->ri_yorigin;
2706 /* first turn off the old cursor */
2707 if (ri->ri_flg & RI_CURSOR) {
2708 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2709 RADEON_ROP3_Dn);
2710 ri->ri_flg &= ~RI_CURSOR;
2711 }
2712 ri->ri_crow = row;
2713 ri->ri_ccol = col;
2714 /* then (possibly) turn on the new one */
2715 if (on) {
2716 x = ri->ri_ccol * wi + ri->ri_xorigin;
2717 y = ri->ri_crow * he + ri->ri_yorigin;
2718 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2719 RADEON_ROP3_Dn);
2720 ri->ri_flg |= RI_CURSOR;
2721 }
2722 } else {
2723 scr->scr_ri.ri_crow = row;
2724 scr->scr_ri.ri_ccol = col;
2725 scr->scr_ri.ri_flg &= ~RI_CURSOR;
2726 }
2727 }
2728
2729 /*
2730 * Underlying acceleration support.
2731 */
2732
2733 static void
2734 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
2735 int width, int height, uint32_t color)
2736 {
2737 struct radeonfb_softc *sc = dp->rd_softc;
2738 uint32_t gmc;
2739
2740 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2741
2742 radeonfb_wait_fifo(sc, 6);
2743
2744 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2745 RADEON_GMC_BRUSH_SOLID_COLOR |
2746 RADEON_GMC_SRC_DATATYPE_COLOR |
2747 RADEON_GMC_CLR_CMP_CNTL_DIS |
2748 RADEON_ROP3_P | gmc);
2749
2750 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
2751 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2752 PUT32(sc, RADEON_DP_CNTL,
2753 RADEON_DST_X_LEFT_TO_RIGHT |
2754 RADEON_DST_Y_TOP_TO_BOTTOM);
2755 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2756 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2757
2758 }
2759
2760 static void
2761 radeonfb_bitblt(void *cookie, int srcx, int srcy,
2762 int dstx, int dsty, int width, int height, int rop)
2763 {
2764 struct radeonfb_display *dp = cookie;
2765 struct radeonfb_softc *sc = dp->rd_softc;
2766 uint32_t gmc;
2767 uint32_t dir;
2768
2769 if (dsty < srcy) {
2770 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
2771 } else {
2772 srcy += height - 1;
2773 dsty += height - 1;
2774 dir = 0;
2775 }
2776 if (dstx < srcx) {
2777 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
2778 } else {
2779 srcx += width - 1;
2780 dstx += width - 1;
2781 }
2782
2783 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2784
2785 radeonfb_wait_fifo(sc, 6);
2786
2787 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2788 RADEON_GMC_BRUSH_SOLID_COLOR |
2789 RADEON_GMC_SRC_DATATYPE_COLOR |
2790 RADEON_GMC_CLR_CMP_CNTL_DIS |
2791 RADEON_DP_SRC_SOURCE_MEMORY |
2792 rop | gmc);
2793
2794 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2795 PUT32(sc, RADEON_DP_CNTL, dir);
2796 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
2797 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2798 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2799 }
2800
2801 static void
2802 radeonfb_engine_idle(struct radeonfb_softc *sc)
2803 {
2804
2805 radeonfb_wait_fifo(sc, 64);
2806 while ((GET32(sc, RADEON_RBBM_STATUS) &
2807 RADEON_RBBM_ACTIVE) != 0);
2808 radeonfb_engine_flush(sc);
2809 }
2810
2811 static void
2812 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
2813 {
2814 int i;
2815
2816 for (i = RADEON_TIMEOUT; i; i--) {
2817 if ((GET32(sc, RADEON_RBBM_STATUS) &
2818 RADEON_RBBM_FIFOCNT_MASK) >= n)
2819 return;
2820 }
2821 #ifdef DIAGNOSTIC
2822 if (!i)
2823 printf("%s: timed out waiting for fifo (%x)\n",
2824 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
2825 #endif
2826 }
2827
2828 static void
2829 radeonfb_engine_flush(struct radeonfb_softc *sc)
2830 {
2831 int i = 0;
2832
2833 if (IS_R300(sc)) {
2834 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
2835 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
2836 i++;
2837 }
2838 } else {
2839 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
2840 RADEON_RB2D_DC_FLUSH_ALL);
2841 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
2842 RADEON_RB2D_DC_BUSY) {
2843 i++;
2844 }
2845 }
2846 #ifdef DIAGNOSTIC
2847 if (i > RADEON_TIMEOUT)
2848 printf("%s: engine flush timed out!\n", XNAME(sc));
2849 #endif
2850 }
2851
2852 static inline void
2853 radeonfb_unclip(struct radeonfb_softc *sc)
2854 {
2855
2856 radeonfb_wait_fifo(sc, 2);
2857 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
2858 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
2859 }
2860
2861 static void
2862 radeonfb_engine_init(struct radeonfb_display *dp)
2863 {
2864 struct radeonfb_softc *sc = dp->rd_softc;
2865 uint32_t pitch;
2866 volatile uint32_t junk;
2867
2868 /* no 3D */
2869 PUT32(sc, RADEON_RB3D_CNTL, 0);
2870
2871 radeonfb_engine_reset(sc);
2872 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
2873
2874 radeonfb_wait_fifo(sc, 1);
2875 if (!IS_R300(sc))
2876 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
2877
2878 radeonfb_wait_fifo(sc, 3);
2879 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
2880 (pitch << 22) | (sc->sc_aperbase >> 10));
2881
2882
2883 PUT32(sc, RADEON_DST_PITCH_OFFSET,
2884 (pitch << 22) | (sc->sc_aperbase >> 10));
2885 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
2886 (pitch << 22) | (sc->sc_aperbase >> 10));
2887
2888 radeonfb_wait_fifo(sc, 1);
2889 #if _BYTE_ORDER == _BIG_ENDIAN
2890 SET32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2891 #else
2892 CLR32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2893 #endif
2894 junk = GET32(sc, RADEON_DP_DATATYPE);
2895
2896 /* default scissors -- no clipping */
2897 radeonfb_wait_fifo(sc, 1);
2898 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
2899 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
2900
2901 radeonfb_wait_fifo(sc, 1);
2902 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2903 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
2904 RADEON_GMC_CLR_CMP_CNTL_DIS |
2905 RADEON_GMC_BRUSH_SOLID_COLOR |
2906 RADEON_GMC_SRC_DATATYPE_COLOR);
2907
2908 radeonfb_wait_fifo(sc, 10);
2909 PUT32(sc, RADEON_DST_LINE_START, 0);
2910 PUT32(sc, RADEON_DST_LINE_END, 0);
2911 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
2912 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
2913 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
2914 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
2915 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2916 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
2917 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
2918 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
2919 radeonfb_engine_idle(sc);
2920 }
2921
2922 static void
2923 radeonfb_engine_reset(struct radeonfb_softc *sc)
2924 {
2925 uint32_t hpc, rbbm, mclkcntl, clkindex;
2926
2927 radeonfb_engine_flush(sc);
2928
2929 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2930 if (HAS_R300CG(sc))
2931 radeonfb_r300cg_workaround(sc);
2932 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
2933
2934 /*
2935 * According to comments in XFree code, resetting the HDP via
2936 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
2937 * So we use HOST_PATH_CNTL instead.
2938 */
2939
2940 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
2941 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
2942 if (IS_R300(sc)) {
2943 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2944 RADEON_SOFT_RESET_CP |
2945 RADEON_SOFT_RESET_HI |
2946 RADEON_SOFT_RESET_E2);
2947 GET32(sc, RADEON_RBBM_SOFT_RESET);
2948 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
2949 /*
2950 * XXX: this bit is not defined in any ATI docs I have,
2951 * nor in the XFree code, but XFree does it. Why?
2952 */
2953 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
2954 } else {
2955 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2956 RADEON_SOFT_RESET_CP |
2957 RADEON_SOFT_RESET_SE |
2958 RADEON_SOFT_RESET_RE |
2959 RADEON_SOFT_RESET_PP |
2960 RADEON_SOFT_RESET_E2 |
2961 RADEON_SOFT_RESET_RB);
2962 GET32(sc, RADEON_RBBM_SOFT_RESET);
2963 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
2964 ~(RADEON_SOFT_RESET_CP |
2965 RADEON_SOFT_RESET_SE |
2966 RADEON_SOFT_RESET_RE |
2967 RADEON_SOFT_RESET_PP |
2968 RADEON_SOFT_RESET_E2 |
2969 RADEON_SOFT_RESET_RB));
2970 GET32(sc, RADEON_RBBM_SOFT_RESET);
2971 }
2972
2973 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
2974 GET32(sc, RADEON_HOST_PATH_CNTL);
2975 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
2976
2977 if (IS_R300(sc))
2978 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
2979
2980 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
2981 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
2982
2983 if (HAS_R300CG(sc))
2984 radeonfb_r300cg_workaround(sc);
2985 }
2986
2987 static int
2988 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
2989 {
2990 int x, y;
2991
2992 x = pos->x;
2993 y = pos->y;
2994
2995 /*
2996 * This doesn't let a cursor move off the screen. I'm not
2997 * sure if this will have negative effects for e.g. Xinerama.
2998 * I'd guess Xinerama handles it by changing the cursor shape,
2999 * but that needs verification.
3000 */
3001 if (x >= dp->rd_virtx)
3002 x = dp->rd_virtx - 1;
3003 if (x < 0)
3004 x = 0;
3005 if (y >= dp->rd_virty)
3006 y = dp->rd_virty - 1;
3007 if (y < 0)
3008 y = 0;
3009
3010 dp->rd_cursor.rc_pos.x = x;
3011 dp->rd_cursor.rc_pos.y = y;
3012
3013 radeonfb_cursor_position(dp);
3014 return 0;
3015 }
3016
3017 static int
3018 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3019 {
3020 unsigned flags;
3021
3022 uint8_t r[2], g[2], b[2];
3023 unsigned index, count;
3024 int i, err;
3025 int pitch, size;
3026 struct radeonfb_cursor nc;
3027
3028 flags = wc->which;
3029
3030 /* copy old values */
3031 nc = dp->rd_cursor;
3032
3033 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3034 index = wc->cmap.index;
3035 count = wc->cmap.count;
3036
3037 if (index >= 2 || (index + count) > 2)
3038 return EINVAL;
3039
3040 err = copyin(wc->cmap.red, &r[index], count);
3041 if (err)
3042 return err;
3043 err = copyin(wc->cmap.green, &g[index], count);
3044 if (err)
3045 return err;
3046 err = copyin(wc->cmap.blue, &b[index], count);
3047 if (err)
3048 return err;
3049
3050 for (i = index; i < index + count; i++) {
3051 nc.rc_cmap[i] =
3052 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3053 }
3054 }
3055
3056 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3057 if ((wc->size.x > RADEON_CURSORMAXX) ||
3058 (wc->size.y > RADEON_CURSORMAXY))
3059 return EINVAL;
3060
3061 /* figure bytes per line */
3062 pitch = (wc->size.x + 7) / 8;
3063 size = pitch * wc->size.y;
3064
3065 /* clear the old cursor and mask */
3066 memset(nc.rc_image, 0, 512);
3067 memset(nc.rc_mask, 0, 512);
3068
3069 nc.rc_size = wc->size;
3070
3071 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3072 return err;
3073
3074 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3075 return err;
3076 }
3077
3078 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3079 nc.rc_hot = wc->hot;
3080 if (nc.rc_hot.x >= nc.rc_size.x)
3081 nc.rc_hot.x = nc.rc_size.x - 1;
3082 if (nc.rc_hot.y >= nc.rc_size.y)
3083 nc.rc_hot.y = nc.rc_size.y - 1;
3084 }
3085
3086 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3087 nc.rc_pos = wc->pos;
3088 if (nc.rc_pos.x >= dp->rd_virtx)
3089 nc.rc_pos.x = dp->rd_virtx - 1;
3090 #if 0
3091 if (nc.rc_pos.x < 0)
3092 nc.rc_pos.x = 0;
3093 #endif
3094 if (nc.rc_pos.y >= dp->rd_virty)
3095 nc.rc_pos.y = dp->rd_virty - 1;
3096 #if 0
3097 if (nc.rc_pos.y < 0)
3098 nc.rc_pos.y = 0;
3099 #endif
3100 }
3101 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3102 nc.rc_visible = wc->enable;
3103 }
3104
3105 dp->rd_cursor = nc;
3106 radeonfb_cursor_update(dp, wc->which);
3107
3108 return 0;
3109 }
3110
3111 /*
3112 * Change the cursor shape. Call this with the cursor locked to avoid
3113 * flickering/tearing.
3114 */
3115 static void
3116 radeonfb_cursor_shape(struct radeonfb_display *dp)
3117 {
3118 uint8_t and[512], xor[512];
3119 int i, j, src, dst, pitch;
3120 const uint8_t *msk = dp->rd_cursor.rc_mask;
3121 const uint8_t *img = dp->rd_cursor.rc_image;
3122
3123 /*
3124 * Radeon cursor data interleaves one line of AND data followed
3125 * by a line of XOR data. (Each line corresponds to a whole hardware
3126 * pitch - i.e. 64 pixels or 8 bytes.)
3127 *
3128 * The cursor is displayed using the following table:
3129 *
3130 * AND XOR Result
3131 * ----------------------
3132 * 0 0 Cursor color 0
3133 * 0 1 Cursor color 1
3134 * 1 0 Transparent
3135 * 1 1 Complement of background
3136 *
3137 * Our masks are therefore different from what we were passed.
3138 * Passed in, I'm assuming the data represents either color 0 or 1,
3139 * and a mask, so the passed in table looks like:
3140 *
3141 * IMG Mask Result
3142 * -----------------------
3143 * 0 0 Transparent
3144 * 0 1 Cursor color 0
3145 * 1 0 Transparent
3146 * 1 1 Cursor color 1
3147 *
3148 * IF mask bit == 1, AND = 0, XOR = color.
3149 * IF mask bit == 0, AND = 1, XOR = 0.
3150 *
3151 * hence: AND = ~(mask); XOR = color & ~(mask);
3152 */
3153
3154 pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
3155
3156 /* start by assuming all bits are transparent */
3157 memset(and, 0xff, 512);
3158 memset(xor, 0x00, 512);
3159
3160 src = 0;
3161 dst = 0;
3162 for (i = 0; i < 64; i++) {
3163 for (j = 0; j < 64; j += 8) {
3164 if ((i < dp->rd_cursor.rc_size.y) &&
3165 (j < dp->rd_cursor.rc_size.x)) {
3166
3167 /* take care to leave odd bits alone */
3168 and[dst] &= ~(msk[src]);
3169 xor[dst] = img[src] & msk[src];
3170 src++;
3171 }
3172 dst++;
3173 }
3174 }
3175
3176 /* copy the image into place */
3177 for (i = 0; i < 64; i++) {
3178 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3179 &and[i * 8], 8);
3180 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3181 &xor[i * 8], 8);
3182 }
3183 }
3184
3185 static void
3186 radeonfb_cursor_position(struct radeonfb_display *dp)
3187 {
3188 struct radeonfb_softc *sc = dp->rd_softc;
3189 uint32_t offset, hvoff, hvpos; /* registers */
3190 uint32_t coff; /* cursor offset */
3191 int i, x, y, xoff, yoff, crtcoff;
3192
3193 /*
3194 * XXX: this also needs to handle pan/scan
3195 */
3196 for (i = 0; i < dp->rd_ncrtcs; i++) {
3197
3198 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3199
3200 if (rcp->rc_number) {
3201 offset = RADEON_CUR2_OFFSET;
3202 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3203 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3204 crtcoff = RADEON_CRTC2_OFFSET;
3205 } else {
3206 offset = RADEON_CUR_OFFSET;
3207 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3208 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3209 crtcoff = RADEON_CRTC_OFFSET;
3210 }
3211
3212 x = dp->rd_cursor.rc_pos.x;
3213 y = dp->rd_cursor.rc_pos.y;
3214
3215 while (y < rcp->rc_yoffset) {
3216 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3217 }
3218 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3219 rcp->rc_yoffset += RADEON_PANINCREMENT;
3220 }
3221 while (x < rcp->rc_xoffset) {
3222 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3223 }
3224 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3225 rcp->rc_xoffset += RADEON_PANINCREMENT;
3226 }
3227
3228 /* adjust for the cursor's hotspot */
3229 x -= dp->rd_cursor.rc_hot.x;
3230 y -= dp->rd_cursor.rc_hot.y;
3231 xoff = yoff = 0;
3232
3233 if (x >= dp->rd_virtx)
3234 x = dp->rd_virtx - 1;
3235 if (y >= dp->rd_virty)
3236 y = dp->rd_virty - 1;
3237
3238 /* now adjust cursor so it is relative to viewport */
3239 x -= rcp->rc_xoffset;
3240 y -= rcp->rc_yoffset;
3241
3242 /*
3243 * no need to check for fall off, because we should
3244 * never move off the screen entirely!
3245 */
3246 coff = 0;
3247 if (x < 0) {
3248 xoff = -x;
3249 x = 0;
3250 }
3251 if (y < 0) {
3252 yoff = -y;
3253 y = 0;
3254 coff = (yoff * 2) * 8;
3255 }
3256
3257 /* pan the display */
3258 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3259 rcp->rc_xoffset);
3260
3261 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3262 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3263 /* NB: this unlocks the cursor */
3264 PUT32(sc, hvpos, (x << 16) | y);
3265 }
3266 }
3267
3268 static void
3269 radeonfb_cursor_visible(struct radeonfb_display *dp)
3270 {
3271 int i;
3272 uint32_t gencntl, bit;
3273
3274 for (i = 0; i < dp->rd_ncrtcs; i++) {
3275 if (dp->rd_crtcs[i].rc_number) {
3276 gencntl = RADEON_CRTC2_GEN_CNTL;
3277 bit = RADEON_CRTC2_CUR_EN;
3278 } else {
3279 gencntl = RADEON_CRTC_GEN_CNTL;
3280 bit = RADEON_CRTC_CUR_EN;
3281 }
3282
3283 if (dp->rd_cursor.rc_visible)
3284 SET32(dp->rd_softc, gencntl, bit);
3285 else
3286 CLR32(dp->rd_softc, gencntl, bit);
3287 }
3288 }
3289
3290 static void
3291 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3292 {
3293 int i;
3294 uint32_t c0reg, c1reg;
3295 struct radeonfb_softc *sc = dp->rd_softc;
3296
3297 for (i = 0; i < dp->rd_ncrtcs; i++) {
3298 if (dp->rd_crtcs[i].rc_number) {
3299 c0reg = RADEON_CUR2_CLR0;
3300 c1reg = RADEON_CUR2_CLR1;
3301 } else {
3302 c0reg = RADEON_CUR_CLR0;
3303 c1reg = RADEON_CUR_CLR1;
3304 }
3305
3306 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3307 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3308 }
3309 }
3310
3311 static void
3312 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3313 {
3314 struct radeonfb_softc *sc;
3315 int i;
3316
3317 sc = dp->rd_softc;
3318 for (i = 0; i < dp->rd_ncrtcs; i++) {
3319 if (dp->rd_crtcs[i].rc_number) {
3320 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3321 } else {
3322 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3323 }
3324 }
3325
3326 if (which & WSDISPLAY_CURSOR_DOCMAP)
3327 radeonfb_cursor_cmap(dp);
3328
3329 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3330 radeonfb_cursor_shape(dp);
3331
3332 if (which & WSDISPLAY_CURSOR_DOCUR)
3333 radeonfb_cursor_visible(dp);
3334
3335 /* this one is unconditional, because it updates other stuff */
3336 radeonfb_cursor_position(dp);
3337 }
3338
3339 static struct videomode *
3340 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3341 {
3342 int r1, r2;
3343
3344 /* otherwise pick the higher refresh rate */
3345 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3346 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3347
3348 return (r1 < r2 ? m2 : m1);
3349 }
3350
3351 static const struct videomode *
3352 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3353 int x, int y)
3354 {
3355 struct edid_info *ep = &rp->rp_edid;
3356 struct videomode *vmp = NULL;
3357 int i;
3358
3359 if (!rp->rp_edid_valid) {
3360 /* fallback to safe mode */
3361 return radeonfb_modelookup(sc->sc_defaultmode);
3362 }
3363
3364 /* always choose the preferred mode first! */
3365 if (ep->edid_preferred_mode) {
3366
3367 /* XXX: add auto-stretching support for native mode */
3368
3369 /* this may want panning to occur, btw */
3370 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3371 (ep->edid_preferred_mode->vdisplay <= y))
3372 return ep->edid_preferred_mode;
3373 }
3374
3375 for (i = 0; i < ep->edid_nmodes; i++) {
3376 /*
3377 * We elect to pick a resolution that is too large for
3378 * the monitor than one that is too small. This means
3379 * that we will prefer to pan rather than to try to
3380 * center a smaller display on a larger screen. In
3381 * practice, this shouldn't matter because if a
3382 * monitor can support a larger resolution, it can
3383 * probably also support the smaller. A specific
3384 * exception is fixed format panels, but hopefully
3385 * they are properly dealt with by the "autostretch"
3386 * logic above.
3387 */
3388 if ((ep->edid_modes[i].hdisplay > x) ||
3389 (ep->edid_modes[i].vdisplay > y)) {
3390 continue;
3391 }
3392
3393 /*
3394 * at this point, the display mode is no larger than
3395 * what we've requested.
3396 */
3397 if (vmp == NULL)
3398 vmp = &ep->edid_modes[i];
3399
3400 /* eliminate smaller modes */
3401 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3402 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3403 continue;
3404
3405 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3406 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3407 vmp = &ep->edid_modes[i];
3408 continue;
3409 }
3410
3411 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3412 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3413
3414 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3415 }
3416
3417 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3418 }
3419
3420 static int
3421 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3422 {
3423 int i;
3424
3425 for (i = 0; i < nlist; i++) {
3426 if ((x == list[i].hdisplay) &&
3427 (y == list[i].vdisplay)) {
3428 return 1;
3429 }
3430 }
3431 return 0;
3432 }
3433
3434 static void
3435 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3436 int pan)
3437 {
3438 struct radeonfb_port *rp;
3439 struct edid_info *ep;
3440 int i, j;
3441
3442 *x = 0;
3443 *y = 0;
3444
3445 if (pan) {
3446 for (i = 0; i < dp->rd_ncrtcs; i++) {
3447 rp = dp->rd_crtcs[i].rc_port;
3448 ep = &rp->rp_edid;
3449 if (!rp->rp_edid_valid) {
3450 /* monitor not present */
3451 continue;
3452 }
3453
3454 /*
3455 * For now we are ignoring "conflict" that
3456 * could occur when mixing some modes like
3457 * 1280x1024 and 1400x800. It isn't clear
3458 * which is better, so the first one wins.
3459 */
3460 for (j = 0; j < ep->edid_nmodes; j++) {
3461 /*
3462 * ignore resolutions that are too big for
3463 * the radeon
3464 */
3465 if (ep->edid_modes[j].hdisplay >
3466 dp->rd_softc->sc_maxx)
3467 continue;
3468 if (ep->edid_modes[j].vdisplay >
3469 dp->rd_softc->sc_maxy)
3470 continue;
3471
3472 /*
3473 * pick largest resolution, the
3474 * smaller monitor will pan
3475 */
3476 if ((ep->edid_modes[j].hdisplay >= *x) &&
3477 (ep->edid_modes[j].vdisplay >= *y)) {
3478 *x = ep->edid_modes[j].hdisplay;
3479 *y = ep->edid_modes[j].vdisplay;
3480 }
3481 }
3482 }
3483
3484 } else {
3485 struct videomode modes[64];
3486 int nmodes = 0;
3487 int valid = 0;
3488
3489 for (i = 0; i < dp->rd_ncrtcs; i++) {
3490 /*
3491 * pick the largest resolution in common.
3492 */
3493 rp = dp->rd_crtcs[i].rc_port;
3494 ep = &rp->rp_edid;
3495
3496 if (!rp->rp_edid_valid)
3497 continue;
3498
3499 if (!valid) {
3500 /*
3501 * Pick the preferred mode for this port
3502 * if available.
3503 */
3504 if (ep->edid_preferred_mode) {
3505 struct videomode *vmp =
3506 ep->edid_preferred_mode;
3507
3508 if ((vmp->hdisplay <=
3509 dp->rd_softc->sc_maxx) &&
3510 (vmp->vdisplay <=
3511 dp->rd_softc->sc_maxy))
3512 modes[nmodes++] = *vmp;
3513 } else {
3514
3515 /* initialize starting list */
3516 for (j = 0; j < ep->edid_nmodes; j++) {
3517 /*
3518 * ignore resolutions that are
3519 * too big for the radeon
3520 */
3521 if (ep->edid_modes[j].hdisplay >
3522 dp->rd_softc->sc_maxx)
3523 continue;
3524 if (ep->edid_modes[j].vdisplay >
3525 dp->rd_softc->sc_maxy)
3526 continue;
3527
3528 modes[nmodes] =
3529 ep->edid_modes[j];
3530 nmodes++;
3531 }
3532 }
3533 valid = 1;
3534 } else {
3535 /* merge into preexisting list */
3536 for (j = 0; j < nmodes; j++) {
3537 if (!radeonfb_hasres(ep->edid_modes,
3538 ep->edid_nmodes,
3539 modes[j].hdisplay,
3540 modes[j].vdisplay)) {
3541 modes[j] = modes[nmodes];
3542 j--;
3543 nmodes--;
3544 }
3545 }
3546 }
3547 }
3548
3549 /* now we have to pick from the merged list */
3550 for (i = 0; i < nmodes; i++) {
3551 if ((modes[i].hdisplay >= *x) &&
3552 (modes[i].vdisplay >= *y)) {
3553 *x = modes[i].hdisplay;
3554 *y = modes[i].vdisplay;
3555 }
3556 }
3557 }
3558
3559 if ((*x == 0) || (*y == 0)) {
3560 /* fallback to safe mode */
3561 *x = 640;
3562 *y = 480;
3563 }
3564 }
3565
3566 /*
3567 * backlight levels are linear on:
3568 * - RV200, RV250, RV280, RV350
3569 * - but NOT on PowerBook4,3 6,3 6,5
3570 * according to Linux' radeonfb
3571 */
3572
3573 /* Get the current backlight level for the display. */
3574
3575 static int
3576 radeonfb_get_backlight(struct radeonfb_display *dp)
3577 {
3578 int s;
3579 uint32_t level;
3580
3581 s = spltty();
3582
3583 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
3584 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
3585 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
3586
3587 /*
3588 * On some chips, we should negate the backlight level.
3589 * XXX Find out on which chips.
3590 */
3591 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
3592 level = RADEONFB_BACKLIGHT_MAX - level;
3593
3594 splx(s);
3595
3596 return level;
3597 }
3598
3599 /* Set the backlight to the given level for the display. */
3600
3601 static int
3602 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
3603 {
3604 struct radeonfb_softc *sc;
3605 int rlevel, s;
3606 uint32_t lvds;
3607
3608 s = spltty();
3609
3610 if (level < 0)
3611 level = 0;
3612 else if (level >= RADEONFB_BACKLIGHT_MAX)
3613 level = RADEONFB_BACKLIGHT_MAX;
3614
3615 sc = dp->rd_softc;
3616
3617 /* On some chips, we should negate the backlight level. */
3618 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
3619 rlevel = RADEONFB_BACKLIGHT_MAX - level;
3620 } else
3621 rlevel = level;
3622
3623 callout_stop(&dp->rd_bl_lvds_co);
3624 radeonfb_engine_idle(sc);
3625
3626 /*
3627 * Turn off the display if the backlight is set to 0, since the
3628 * display is useless without backlight anyway.
3629 */
3630 if (level == 0)
3631 radeonfb_blank(dp, 1);
3632 else if (radeonfb_get_backlight(dp) == 0)
3633 radeonfb_blank(dp, 0);
3634
3635 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
3636 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
3637 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
3638 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
3639 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
3640 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3641 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3642 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3643 lvds |= RADEON_LVDS_ON;
3644 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
3645 } else {
3646 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3647 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3648 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3649 }
3650
3651 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
3652 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
3653 /* XXX What is the correct delay? */
3654 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
3655
3656 splx(s);
3657
3658 return 0;
3659 }
3660
3661 /*
3662 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
3663 * Set the delayed bits in the register, and clear the stored delayed
3664 * value.
3665 */
3666
3667 static void radeonfb_lvds_callout(void *arg)
3668 {
3669 struct radeonfb_display *dp = arg;
3670 int s;
3671
3672 s = splhigh();
3673
3674 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
3675 dp->rd_bl_lvds_val);
3676 dp->rd_bl_lvds_val = 0;
3677
3678 splx(s);
3679 }
3680
3681 static void
3682 radeonfb_brightness_up(device_t dev)
3683 {
3684 struct radeonfb_softc *sc = device_private(dev);
3685 int level;
3686
3687 /* we assume the main display is the first one - need a better way */
3688 if (sc->sc_ndisplays < 1) return;
3689 level = radeonfb_get_backlight(&sc->sc_displays[0]);
3690 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
3691 radeonfb_set_backlight(&sc->sc_displays[0], level);
3692 }
3693
3694 static void
3695 radeonfb_brightness_down(device_t dev)
3696 {
3697 struct radeonfb_softc *sc = device_private(dev);
3698 int level;
3699
3700 /* we assume the main display is the first one - need a better way */
3701 if (sc->sc_ndisplays < 1) return;
3702 level = radeonfb_get_backlight(&sc->sc_displays[0]);
3703 level = max(0, level - 5);
3704 radeonfb_set_backlight(&sc->sc_displays[0], level);
3705 }
3706