radeonfb.c revision 1.77 1 /* $NetBSD: radeonfb.c,v 1.77 2013/09/15 09:36:02 martin 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 1.77 2013/09/15 09:36:02 martin 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_display *);
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_rectfill_a(void *, int, int, int, int, long);
148 static void radeonfb_bitblt(void *, int srcx, int srcy,
149 int dstx, int dsty, int width, int height, int rop);
150
151 /* hw cursor support */
152 static void radeonfb_cursor_cmap(struct radeonfb_display *);
153 static void radeonfb_cursor_shape(struct radeonfb_display *);
154 static void radeonfb_cursor_position(struct radeonfb_display *);
155 static void radeonfb_cursor_visible(struct radeonfb_display *);
156 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
157
158 static inline void radeonfb_wait_fifo(struct radeonfb_softc *, int);
159 static void radeonfb_engine_idle(struct radeonfb_softc *);
160 static void radeonfb_engine_flush(struct radeonfb_softc *);
161 static void radeonfb_engine_reset(struct radeonfb_softc *);
162 static void radeonfb_engine_init(struct radeonfb_display *);
163 static inline void radeonfb_unclip(struct radeonfb_softc *);
164
165 static void radeonfb_eraserows(void *, int, int, long);
166 static void radeonfb_erasecols(void *, int, int, int, long);
167 static void radeonfb_copyrows(void *, int, int, int);
168 static void radeonfb_copycols(void *, int, int, int, int);
169 static void radeonfb_cursor(void *, int, int, int);
170 static void radeonfb_putchar(void *, int, int, unsigned, long);
171 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
172 static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
173 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
174 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
175 #endif
176
177 static int radeonfb_set_backlight(struct radeonfb_display *, int);
178 static int radeonfb_get_backlight(struct radeonfb_display *);
179 static void radeonfb_switch_backlight(struct radeonfb_display *, int);
180 static void radeonfb_lvds_callout(void *);
181
182 static void radeonfb_brightness_up(device_t);
183 static void radeonfb_brightness_down(device_t);
184
185 static struct videomode *radeonfb_best_refresh(struct videomode *,
186 struct videomode *);
187 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
188 uint16_t *, int);
189 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
190 struct radeonfb_port *, int, int);
191
192 static int radeonfb_drm_print(void *, const char *);
193
194 #ifdef RADEONFB_DEBUG
195 int radeon_debug = 1;
196 #define DPRINTF(x) \
197 if (radeon_debug) printf x
198 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
199 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
200 #else
201 #define DPRINTF(x)
202 #define PRINTREG(r)
203 #define PRINTPLL(r)
204 #endif
205
206 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
207
208 #ifndef RADEON_DEFAULT_MODE
209 /* any reasonably modern display should handle this */
210 #define RADEON_DEFAULT_MODE "1024x768x60"
211 #endif
212
213 extern const u_char rasops_cmap[768];
214
215 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
216
217 static struct {
218 int size; /* minimum memory size (MB) */
219 int maxx; /* maximum x dimension */
220 int maxy; /* maximum y dimension */
221 int maxbpp; /* maximum bpp */
222 int maxdisp; /* maximum logical display count */
223 } radeonfb_limits[] = {
224 { 32, 2048, 1536, 32, 2 },
225 { 16, 1600, 1200, 32, 2 },
226 { 8, 1600, 1200, 32, 1 },
227 { 0, 0, 0, 0, 0 },
228 };
229
230 static struct wsscreen_descr radeonfb_stdscreen = {
231 "fb", /* name */
232 0, 0, /* ncols, nrows */
233 NULL, /* textops */
234 8, 16, /* fontwidth, fontheight */
235 WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE, /* capabilities */
236 0, /* modecookie */
237 };
238
239 struct wsdisplay_accessops radeonfb_accessops = {
240 radeonfb_ioctl,
241 radeonfb_mmap,
242 NULL, /* vcons_alloc_screen */
243 NULL, /* vcons_free_screen */
244 NULL, /* vcons_show_screen */
245 NULL, /* load_font */
246 NULL, /* pollc */
247 NULL, /* scroll */
248 };
249
250 static struct {
251 uint16_t devid;
252 uint16_t family;
253 uint16_t flags;
254 } radeonfb_devices[] =
255 {
256 /* R100 family */
257 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
258 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
259 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
260 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
261
262 /* RV100 family */
263 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
264 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
265 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
266 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
267
268 /* RS100 family */
269 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
270 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
271
272 /* RS200/RS250 family */
273 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
274 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
275 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
276 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
277
278 /* R200 family */
279 /* add more R200 products? , 5148 */
280 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
281 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
282 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
283 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
284 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
285
286 /* RV200 family */
287 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
288 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
289 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
290 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
291
292 /* RV250 family */
293 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
294 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
295 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
296 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
297 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
298
299 /* RS300 family */
300 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
301 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
302 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
303 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
304
305 /* RV280 family */
306 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
307 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
308 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
309 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
310 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
311 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
312 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
313
314 /* R300 family */
315 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
316 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
317 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
318 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
319 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
320 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
321 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
322 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
323
324 /* RV350/RV360 family */
325 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
326 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
327 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
328 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
329 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
330 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
331 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
332 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
333 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
334 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
335 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
336 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
337
338 /* R350/R360 family */
339 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
340 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
341 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
342 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
343 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
344 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
345 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
346 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
347
348 /* RV380/RV370 family */
349 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
350 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
351 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
352 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
353 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
354 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
355 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
356 { PCI_PRODUCT_ATI_RADEON_RV370_5B63, RADEON_RV380, 0 },
357 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
358 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
359
360 #if notyet
361 /* R420/R423 family */
362 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
363 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
364 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
365 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
366 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
367 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
368 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
369 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
372 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
373 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
374 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
375 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
376 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
377 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
378 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
379 #endif
380 { 0, 0, 0 }
381 };
382
383 static struct {
384 int divider;
385 int mask;
386 } radeonfb_dividers[] = {
387 { 16, 5 },
388 { 12, 7 },
389 { 8, 3 },
390 { 6, 6 },
391 { 4, 2 },
392 { 3, 4 },
393 { 2, 1 },
394 { 1, 0 },
395 { 0, 0 }
396 };
397
398 /*
399 * This table taken from X11.
400 */
401 static const struct {
402 int family;
403 struct radeon_tmds_pll plls[4];
404 } radeonfb_tmds_pll[] = {
405 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
406 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
407 { RADEON_RS100, {{0, 0}}},
408 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
409 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
410 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
411 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
412 { RADEON_RS300, {{0, 0}}},
413 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
414 { RADEON_R300, {{-1, 0xb01cb}}},
415 { RADEON_R350, {{-1, 0xb01cb}}},
416 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
417 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
418 { RADEON_R420, {{-1, 0xb01cb}}},
419 };
420
421 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
422
423
424 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
425 radeonfb_match, radeonfb_attach, NULL, NULL);
426
427 static int
428 radeonfb_match(device_t parent, cfdata_t match, void *aux)
429 {
430 const struct pci_attach_args *pa = aux;
431 int i;
432
433 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
434 return 0;
435
436 for (i = 0; radeonfb_devices[i].devid; i++) {
437 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
438 return 100; /* high to defeat VGA/VESA */
439 }
440
441 return 0;
442 }
443
444 static void
445 radeonfb_attach(device_t parent, device_t dev, void *aux)
446 {
447 struct radeonfb_softc *sc = device_private(dev);
448 const struct pci_attach_args *pa = aux;
449 const char *mptr;
450 bus_size_t bsz;
451 pcireg_t screg;
452 int i, j, fg, bg, ul, flags;
453 uint32_t v;
454
455 sc->sc_dev = dev;
456 sc->sc_id = pa->pa_id;
457 for (i = 0; radeonfb_devices[i].devid; i++) {
458 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
459 break;
460 }
461
462 pci_aprint_devinfo(pa, NULL);
463
464 DPRINTF((prop_dictionary_externalize(device_properties(dev))));
465
466 KASSERT(radeonfb_devices[i].devid != 0);
467 sc->sc_pt = pa->pa_tag;
468 sc->sc_iot = pa->pa_iot;
469 sc->sc_pc = pa->pa_pc;
470 sc->sc_family = radeonfb_devices[i].family;
471 sc->sc_flags = radeonfb_devices[i].flags;
472
473 /* enable memory and IO access */
474 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
475 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
476 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
477
478 /*
479 * Some flags are general to entire chip families, and rather
480 * than clutter up the table with them, we go ahead and set
481 * them here.
482 */
483 switch (sc->sc_family) {
484 case RADEON_RS100:
485 case RADEON_RS200:
486 sc->sc_flags |= RFB_IGP | RFB_RV100;
487 break;
488
489 case RADEON_RV100:
490 case RADEON_RV200:
491 case RADEON_RV250:
492 case RADEON_RV280:
493 sc->sc_flags |= RFB_RV100;
494 break;
495
496 case RADEON_RS300:
497 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
498 break;
499
500 case RADEON_R300:
501 case RADEON_RV350:
502 case RADEON_R350:
503 case RADEON_RV380:
504 case RADEON_R420:
505 /* newer chips */
506 sc->sc_flags |= RFB_R300;
507 break;
508
509 case RADEON_R100:
510 sc->sc_flags |= RFB_NCRTC2;
511 break;
512 }
513
514 if ((sc->sc_family == RADEON_RV200) ||
515 (sc->sc_family == RADEON_RV250) ||
516 (sc->sc_family == RADEON_RV280) ||
517 (sc->sc_family == RADEON_RV350)) {
518 bool inverted = 0;
519 /* backlight level is linear */
520 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
521 prop_dictionary_get_bool(device_properties(sc->sc_dev),
522 "backlight_level_reverted", &inverted);
523 if (inverted) {
524 DPRINTF(("nope, it's inverted\n"));
525 sc->sc_flags |= RFB_INV_BLIGHT;
526 }
527 } else
528 sc->sc_flags |= RFB_INV_BLIGHT;
529
530 /*
531 * XXX: to support true multihead, this must change.
532 */
533 sc->sc_ndisplays = 1;
534
535 /* XXX: */
536 if (!HAS_CRTC2(sc)) {
537 sc->sc_ndisplays = 1;
538 }
539
540 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
541 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
542 &sc->sc_regsz) != 0) {
543 aprint_error("%s: unable to map registers!\n", XNAME(sc));
544 goto error;
545 }
546
547 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
548 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
549 {
550 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
551 goto error;
552 }
553 sc->sc_romt = sc->sc_memt;
554
555 sc->sc_mapped = TRUE;
556
557 /* scratch register test... */
558 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
559 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
560 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
561 goto error;
562 }
563
564 PRINTREG(RADEON_CRTC_EXT_CNTL);
565 PRINTREG(RADEON_CRTC_GEN_CNTL);
566 PRINTREG(RADEON_CRTC2_GEN_CNTL);
567 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
568 PRINTREG(RADEON_DAC_CNTL2);
569 PRINTREG(RADEON_FP_GEN_CNTL);
570 PRINTREG(RADEON_FP2_GEN_CNTL);
571
572 PRINTREG(RADEON_BIOS_4_SCRATCH);
573 PRINTREG(RADEON_FP_GEN_CNTL);
574 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
575 PRINTREG(RADEON_FP2_GEN_CNTL);
576 PRINTREG(RADEON_TMDS_CNTL);
577 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
578 PRINTREG(RADEON_TMDS_PLL_CNTL);
579 PRINTREG(RADEON_LVDS_GEN_CNTL);
580 PRINTREG(RADEON_FP_HORZ_STRETCH);
581 PRINTREG(RADEON_FP_VERT_STRETCH);
582
583 if (IS_RV100(sc))
584 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
585
586 /* XXX
587 * according to xf86-video-radeon R3xx has this bit backwards
588 */
589 if (IS_R300(sc)) {
590 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
591 0,
592 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
593 } else {
594 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
595 RADEON_TMDS_TRANSMITTER_PLLEN,
596 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
597 }
598
599 radeonfb_i2c_init(sc);
600
601 radeonfb_loadbios(sc, pa);
602
603 #ifdef RADEONFB_BIOS_INIT
604 if (radeonfb_bios_init(sc)) {
605 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
606 }
607 #endif
608
609 if (radeonfb_getclocks(sc)) {
610 aprint_error("%s: Unable to get reference clocks from BIOS\n",
611 XNAME(sc));
612 goto error;
613 }
614
615 if (radeonfb_gettmds(sc)) {
616 aprint_error("%s: Unable to identify TMDS PLL settings\n",
617 XNAME(sc));
618 goto error;
619 }
620
621 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
622 "minpll = %d, maxpll = %d\n", XNAME(sc),
623 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
624 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
625
626 radeonfb_getconnectors(sc);
627
628 radeonfb_set_fbloc(sc);
629
630 for (i = 0; radeonfb_limits[i].size; i++) {
631 if (sc->sc_memsz >= radeonfb_limits[i].size) {
632 sc->sc_maxx = radeonfb_limits[i].maxx;
633 sc->sc_maxy = radeonfb_limits[i].maxy;
634 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
635 /* framebuffer offset, start at a 4K page */
636 sc->sc_fboffset = sc->sc_memsz /
637 radeonfb_limits[i].maxdisp;
638 /*
639 * we use the fbsize to figure out where we can store
640 * things like cursor data.
641 */
642 sc->sc_fbsize =
643 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
644 RADEON_STRIDEALIGN) * sc->sc_maxy,
645 4096);
646 break;
647 }
648 }
649
650
651 radeonfb_init_misc(sc);
652
653 /* program the DAC wirings */
654 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
655 switch (sc->sc_ports[i].rp_dac_type) {
656 case RADEON_DAC_PRIMARY:
657 PATCH32(sc, RADEON_DAC_CNTL2,
658 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
659 ~RADEON_DAC2_DAC_CLK_SEL);
660 break;
661 case RADEON_DAC_TVDAC:
662 /* we always use the TVDAC to drive a secondary analog
663 * CRT for now. if we ever support TV-out this will
664 * have to change.
665 */
666 SET32(sc, RADEON_DAC_CNTL2,
667 RADEON_DAC2_DAC2_CLK_SEL);
668 PATCH32(sc, RADEON_DISP_HW_DEBUG,
669 i ? 0 : RADEON_CRT2_DISP1_SEL,
670 ~RADEON_CRT2_DISP1_SEL);
671 /* we're using CRTC2 for the 2nd port */
672 if (sc->sc_ports[i].rp_number == 1) {
673 PATCH32(sc, RADEON_DISP_OUTPUT_CNTL,
674 RADEON_DISP_DAC2_SOURCE_CRTC2,
675 ~RADEON_DISP_DAC2_SOURCE_MASK);
676 }
677
678 break;
679 }
680 DPRINTF(("%s: port %d tmds type %d\n", __func__, i,
681 sc->sc_ports[i].rp_tmds_type));
682 switch (sc->sc_ports[i].rp_tmds_type) {
683 case RADEON_TMDS_INT:
684 /* point FP0 at the CRTC this port uses */
685 DPRINTF(("%s: plugging internal TMDS into CRTC %d\n",
686 __func__, sc->sc_ports[i].rp_number));
687 if (IS_R300(sc)) {
688 PATCH32(sc, RADEON_FP_GEN_CNTL,
689 sc->sc_ports[i].rp_number ?
690 R200_FP_SOURCE_SEL_CRTC2 :
691 R200_FP_SOURCE_SEL_CRTC1,
692 ~R200_FP_SOURCE_SEL_MASK);
693 } else {
694 PATCH32(sc, RADEON_FP_GEN_CNTL,
695 sc->sc_ports[i].rp_number ?
696 RADEON_FP_SEL_CRTC2 :
697 RADEON_FP_SEL_CRTC1,
698 ~RADEON_FP_SEL_MASK);
699 }
700 }
701 }
702 PRINTREG(RADEON_DAC_CNTL2);
703 PRINTREG(RADEON_DISP_HW_DEBUG);
704
705 /* other DAC programming */
706 v = GET32(sc, RADEON_DAC_CNTL);
707 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
708 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
709 PUT32(sc, RADEON_DAC_CNTL, v);
710 PRINTREG(RADEON_DAC_CNTL);
711
712 /* XXX: this may need more investigation */
713 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
714 PRINTREG(RADEON_TV_DAC_CNTL);
715
716 /* enable TMDS */
717 SET32(sc, RADEON_FP_GEN_CNTL,
718 RADEON_FP_TMDS_EN |
719 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
720 RADEON_FP_CRTC_DONT_SHADOW_HEND);
721 /*
722 * XXX
723 * no idea why this is necessary - if I do not clear this bit on my
724 * iBook G4 the screen remains black, even though it's already clear.
725 * It needs to be set on my Sun XVR-100 for the DVI port to work
726 * TODO:
727 * see if this is still necessary now that CRTCs, DACs and outputs are
728 * getting wired up in a halfway sane way
729 */
730 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
731 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
732 } else {
733 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
734 }
735
736 /*
737 * we use bus_space_map instead of pci_mapreg, because we don't
738 * need the full aperature space. no point in wasting virtual
739 * address space we don't intend to use, right?
740 */
741 if ((sc->sc_memsz < (4096 * 1024)) ||
742 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
743 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
744 (bsz < sc->sc_memsz)) {
745 sc->sc_memsz = 0;
746 aprint_error("%s: Bad frame buffer configuration\n",
747 XNAME(sc));
748 goto error;
749 }
750
751 /* 64 MB should be enough -- more just wastes map entries */
752 if (sc->sc_memsz > (64 << 20))
753 sc->sc_memsz = (64 << 20);
754
755 sc->sc_memt = pa->pa_memt;
756 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
757 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
758 sc->sc_memsz = 0;
759 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
760 goto error;
761 }
762
763 aprint_normal("%s: %d MB aperture at 0x%08x, "
764 "%d KB registers at 0x%08x\n", XNAME(sc),
765 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
766 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
767
768 /* setup default video mode from devprop (allows PROM override) */
769 sc->sc_defaultmode = radeonfb_default_mode;
770 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
771 "videomode", &mptr)) {
772
773 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
774 sc->sc_defaultmode = sc->sc_modebuf;
775 }
776
777 /* initialize some basic display parameters */
778 for (i = 0; i < sc->sc_ndisplays; i++) {
779 struct radeonfb_display *dp = &sc->sc_displays[i];
780 struct rasops_info *ri;
781 long defattr;
782 struct wsemuldisplaydev_attach_args aa;
783
784 /*
785 * Figure out how many "displays" (desktops) we are going to
786 * support. If more than one, then each CRTC gets its own
787 * programming.
788 *
789 * XXX: this code needs to change to support mergedfb.
790 * XXX: would be nice to allow this to be overridden
791 */
792 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
793 DPRINTF(("dual crtcs!\n"));
794 dp->rd_ncrtcs = 2;
795 dp->rd_crtcs[0].rc_port =
796 &sc->sc_ports[0];
797 dp->rd_crtcs[0].rc_number = sc->sc_ports[0].rp_number;
798 dp->rd_crtcs[1].rc_port =
799 &sc->sc_ports[1];
800 dp->rd_crtcs[1].rc_number = sc->sc_ports[1].rp_number;
801 } else {
802 dp->rd_ncrtcs = 1;
803 dp->rd_crtcs[0].rc_port =
804 &sc->sc_ports[i];
805 dp->rd_crtcs[0].rc_number = sc->sc_ports[i].rp_number;
806 }
807
808 dp->rd_softc = sc;
809 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
810 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
811
812 /* for text mode, we pick a resolution that won't
813 * require panning */
814 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
815
816 aprint_normal("%s: display %d: "
817 "initial virtual resolution %dx%d at %d bpp\n",
818 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
819
820 /* now select the *video mode* that we will use */
821 for (j = 0; j < dp->rd_ncrtcs; j++) {
822 const struct videomode *vmp;
823 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
824 dp->rd_virtx, dp->rd_virty);
825
826 /*
827 * virtual resolution should be at least as high as
828 * physical
829 */
830 if (dp->rd_virtx < vmp->hdisplay ||
831 dp->rd_virty < vmp->vdisplay) {
832 dp->rd_virtx = vmp->hdisplay;
833 dp->rd_virty = vmp->vdisplay;
834 }
835
836 dp->rd_crtcs[j].rc_videomode = *vmp;
837 printf("%s: port %d: physical %dx%d %dHz\n",
838 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
839 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
840 vmp->htotal), vmp->vtotal));
841 }
842
843 /* N.B.: radeon wants 64-byte aligned stride */
844 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
845 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
846 DPRINTF(("stride: %d\n", dp->rd_stride));
847
848 dp->rd_offset = sc->sc_fboffset * i;
849 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
850 sc->sc_memh) + dp->rd_offset;
851 dp->rd_curoff = sc->sc_fbsize;
852 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
853
854 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
855
856 switch (dp->rd_bpp) {
857 case 8:
858 dp->rd_format = 2;
859 break;
860 case 32:
861 dp->rd_format = 6;
862 break;
863 default:
864 aprint_error("%s: bad depth %d\n", XNAME(sc),
865 dp->rd_bpp);
866 goto error;
867 }
868
869 DPRINTF(("init engine\n"));
870 /* XXX: this seems suspicious - per display engine
871 initialization? */
872 radeonfb_engine_init(dp);
873
874 /* copy the template into place */
875 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
876 dp->rd_wsscreens = dp->rd_wsscreens_storage;
877
878 /* and make up the list */
879 dp->rd_wsscreenlist.nscreens = 1;
880 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
881
882 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
883 &radeonfb_accessops);
884
885 dp->rd_vd.init_screen = radeonfb_init_screen;
886
887 #ifdef RADEONFB_DEBUG
888 dp->rd_virty -= 200;
889 #endif
890
891 dp->rd_console = 0;
892 prop_dictionary_get_bool(device_properties(sc->sc_dev),
893 "is_console", &dp->rd_console);
894
895 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
896
897
898 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
899 dp->rd_console, &defattr);
900
901 ri = &dp->rd_vscreen.scr_ri;
902
903 /* clear the screen */
904 rasops_unpack_attr(defattr, &fg, &bg, &ul);
905 dp->rd_bg = ri->ri_devcmap[bg & 0xf];
906 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
907 dp->rd_bg);
908
909 dp->rd_wsscreens->textops = &ri->ri_ops;
910 dp->rd_wsscreens->capabilities = ri->ri_caps;
911 dp->rd_wsscreens->nrows = ri->ri_rows;
912 dp->rd_wsscreens->ncols = ri->ri_cols;
913
914 #ifdef SPLASHSCREEN
915 dp->rd_splash.si_depth = ri->ri_depth;
916 dp->rd_splash.si_bits = ri->ri_bits;
917 dp->rd_splash.si_hwbits = ri->ri_hwbits;
918 dp->rd_splash.si_width = ri->ri_width;
919 dp->rd_splash.si_height = ri->ri_height;
920 dp->rd_splash.si_stride = ri->ri_stride;
921 dp->rd_splash.si_fillrect = NULL;
922 #endif
923 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
924 dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
925 dp->rd_gc.gc_rop = RADEON_ROP3_S;
926 dp->rd_gc.gc_blitcookie = dp;
927 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
928 (0x800000 / dp->rd_stride) - (dp->rd_virty + 4),
929 dp->rd_virtx,
930 ri->ri_font->fontwidth,
931 ri->ri_font->fontheight,
932 defattr);
933 if (dp->rd_console) {
934
935 radeonfb_modeswitch(dp);
936 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
937 defattr);
938 #ifdef SPLASHSCREEN
939 if (splash_render(&dp->rd_splash,
940 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
941 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
942 else
943 #endif
944 vcons_replay_msgbuf(&dp->rd_vscreen);
945 } else {
946
947 /*
948 * since we're not the console we can postpone
949 * the rest until someone actually allocates a
950 * screen for us. but we do clear the screen
951 * at least.
952 */
953 memset(ri->ri_bits, 0, 1024);
954
955 radeonfb_modeswitch(dp);
956 #ifdef SPLASHSCREEN
957 if (splash_render(&dp->rd_splash,
958 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
959 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
960 #endif
961 }
962
963 aa.console = dp->rd_console;
964 aa.scrdata = &dp->rd_wsscreenlist;
965 aa.accessops = &radeonfb_accessops;
966 aa.accesscookie = &dp->rd_vd;
967
968 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
969
970 radeonfb_blank(dp, 0);
971
972 /* Initialise delayed lvds operations for backlight. */
973 callout_init(&dp->rd_bl_lvds_co, 0);
974 callout_setfunc(&dp->rd_bl_lvds_co,
975 radeonfb_lvds_callout, dp);
976 dp->rd_bl_on = 1;
977 dp->rd_bl_level = radeonfb_get_backlight(dp);
978 radeonfb_set_backlight(dp, dp->rd_bl_level);
979 }
980
981 for (i = 0; i < RADEON_NDISPLAYS; i++)
982 radeonfb_init_palette(&sc->sc_displays[i]);
983
984 if (HAS_CRTC2(sc)) {
985 CLR32(sc, RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_DISP_DIS);
986 }
987
988 CLR32(sc, RADEON_CRTC_EXT_CNTL, RADEON_CRTC_DISPLAY_DIS);
989 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_FPON);
990 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
991 radeonfb_brightness_up, TRUE);
992 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
993 radeonfb_brightness_down, TRUE);
994
995 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
996
997 PRINTREG(RADEON_CRTC_EXT_CNTL);
998 PRINTREG(RADEON_CRTC_GEN_CNTL);
999 PRINTREG(RADEON_CRTC2_GEN_CNTL);
1000 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
1001 PRINTREG(RADEON_DAC_CNTL2);
1002 PRINTREG(RADEON_FP_GEN_CNTL);
1003 PRINTREG(RADEON_FP2_GEN_CNTL);
1004
1005 return;
1006
1007 error:
1008 if (sc->sc_biossz)
1009 free(sc->sc_bios, M_DEVBUF);
1010
1011 if (sc->sc_regsz)
1012 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1013
1014 if (sc->sc_memsz)
1015 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1016 }
1017
1018 static void
1019 radeonfb_map(struct radeonfb_softc *sc)
1020 {
1021 if (!sc->sc_mapped) {
1022 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
1023 &sc->sc_regh) != 0) {
1024 aprint_error_dev(sc->sc_dev,
1025 "unable to map registers!\n");
1026 return;
1027 }
1028 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
1029 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
1030 sc->sc_memsz = 0;
1031 aprint_error_dev(sc->sc_dev,
1032 "Unable to map frame buffer\n");
1033 return;
1034 }
1035 sc->sc_mapped = TRUE;
1036 }
1037 }
1038
1039 static void
1040 radeonfb_unmap(struct radeonfb_softc *sc)
1041 {
1042 if (sc->sc_mapped) {
1043 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1044 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1045 sc->sc_mapped = FALSE;
1046 }
1047 }
1048
1049 static int
1050 radeonfb_drm_print(void *aux, const char *pnp)
1051 {
1052 if (pnp)
1053 aprint_normal("drm at %s", pnp);
1054 return (UNCONF);
1055 }
1056
1057 int
1058 radeonfb_ioctl(void *v, void *vs,
1059 unsigned long cmd, void *d, int flag, struct lwp *l)
1060 {
1061 struct vcons_data *vd;
1062 struct radeonfb_display *dp;
1063 struct radeonfb_softc *sc;
1064 struct wsdisplay_param *param;
1065
1066 vd = (struct vcons_data *)v;
1067 dp = (struct radeonfb_display *)vd->cookie;
1068 sc = dp->rd_softc;
1069
1070 switch (cmd) {
1071 case WSDISPLAYIO_GTYPE:
1072 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
1073 return 0;
1074
1075 case WSDISPLAYIO_GINFO:
1076 if (vd->active != NULL) {
1077 struct wsdisplay_fbinfo *fb;
1078 fb = (struct wsdisplay_fbinfo *)d;
1079 fb->width = dp->rd_virtx;
1080 fb->height = dp->rd_virty;
1081 fb->depth = dp->rd_bpp;
1082 fb->cmsize = 256;
1083 return 0;
1084 } else
1085 return ENODEV;
1086 case WSDISPLAYIO_GVIDEO:
1087 if (radeonfb_isblank(dp))
1088 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1089 else
1090 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1091 return 0;
1092
1093 case WSDISPLAYIO_SVIDEO:
1094 radeonfb_blank(dp,
1095 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1096 return 0;
1097
1098 case WSDISPLAYIO_GETCMAP:
1099 #if 0
1100 if (dp->rd_bpp == 8)
1101 return radeonfb_getcmap(sc,
1102 (struct wsdisplay_cmap *)d);
1103 #endif
1104 return EINVAL;
1105
1106 case WSDISPLAYIO_PUTCMAP:
1107 #if 0
1108 if (dp->rd_bpp == 8)
1109 return radeonfb_putcmap(sc,
1110 (struct wsdisplay_cmap *)d);
1111 #endif
1112 return EINVAL;
1113
1114 case WSDISPLAYIO_LINEBYTES:
1115 *(unsigned *)d = dp->rd_stride;
1116 return 0;
1117
1118 case WSDISPLAYIO_SMODE:
1119 if (*(int *)d != dp->rd_wsmode) {
1120 dp->rd_wsmode = *(int *)d;
1121 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1122 (dp->rd_vd.active)) {
1123 radeonfb_map(sc);
1124 radeonfb_engine_init(dp);
1125 glyphcache_wipe(&dp->rd_gc);
1126 radeonfb_init_palette(dp);
1127 radeonfb_modeswitch(dp);
1128 radeonfb_rectfill(dp, 0, 0, dp->rd_virtx,
1129 dp->rd_virty, dp->rd_bg);
1130 vcons_redraw_screen(dp->rd_vd.active);
1131 } else {
1132 radeonfb_unmap(sc);
1133 }
1134 }
1135 return 0;
1136
1137 case WSDISPLAYIO_GCURMAX:
1138 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1139 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1140 return 0;
1141
1142 case WSDISPLAYIO_SCURSOR:
1143 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1144
1145 case WSDISPLAYIO_GCURSOR:
1146 return EPASSTHROUGH;
1147
1148 case WSDISPLAYIO_GCURPOS:
1149 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1150 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1151 return 0;
1152
1153 case WSDISPLAYIO_SCURPOS:
1154 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1155
1156 case WSDISPLAYIO_SSPLASH:
1157 #if defined(SPLASHSCREEN)
1158 if (*(int *)d == 1) {
1159 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1160 splash_render(&dp->rd_splash,
1161 SPLASH_F_CENTER|SPLASH_F_FILL);
1162 } else
1163 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1164 return 0;
1165 #else
1166 return ENODEV;
1167 #endif
1168 case WSDISPLAYIO_GETPARAM:
1169 param = (struct wsdisplay_param *)d;
1170 switch (param->param) {
1171 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1172 param->min = 0;
1173 param->max = 255;
1174 param->curval = dp->rd_bl_level;
1175 return 0;
1176 case WSDISPLAYIO_PARAM_BACKLIGHT:
1177 param->min = 0;
1178 param->max = RADEONFB_BACKLIGHT_MAX;
1179 param->curval = dp->rd_bl_on;
1180 return 0;
1181 }
1182 return EPASSTHROUGH;
1183
1184 case WSDISPLAYIO_SETPARAM:
1185 param = (struct wsdisplay_param *)d;
1186 switch (param->param) {
1187 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1188 radeonfb_set_backlight(dp, param->curval);
1189 return 0;
1190 case WSDISPLAYIO_PARAM_BACKLIGHT:
1191 radeonfb_switch_backlight(dp, param->curval);
1192 return 0;
1193 }
1194 return EPASSTHROUGH;
1195
1196 /* PCI config read/write passthrough. */
1197 case PCI_IOC_CFGREAD:
1198 case PCI_IOC_CFGWRITE:
1199 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1200
1201 case WSDISPLAYIO_GET_BUSID:
1202 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1203 sc->sc_pt, d);
1204
1205 case WSDISPLAYIO_GET_EDID: {
1206 struct wsdisplayio_edid_info *ei = d;
1207 return wsdisplayio_get_edid(sc->sc_dev, ei);
1208 }
1209
1210 default:
1211 return EPASSTHROUGH;
1212 }
1213 }
1214
1215 paddr_t
1216 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1217 {
1218 struct vcons_data *vd;
1219 struct radeonfb_display *dp;
1220 struct radeonfb_softc *sc;
1221 paddr_t pa;
1222
1223 vd = (struct vcons_data *)v;
1224 dp = (struct radeonfb_display *)vd->cookie;
1225 sc = dp->rd_softc;
1226
1227 /* XXX: note that we don't allow mapping of registers right now */
1228 /* XXX: this means that the XFree86 radeon driver won't work */
1229 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1230 pa = bus_space_mmap(sc->sc_memt,
1231 sc->sc_memaddr + dp->rd_offset + offset, 0,
1232 prot, BUS_SPACE_MAP_LINEAR);
1233 return pa;
1234 }
1235
1236 #ifdef RADEONFB_MMAP_BARS
1237 /*
1238 * restrict all other mappings to processes with superuser privileges
1239 * or the kernel itself
1240 */
1241 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1242 NULL, NULL, NULL, NULL) != 0) {
1243 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1244 return -1;
1245 }
1246
1247 if ((offset >= sc->sc_regaddr) &&
1248 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1249 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1250 BUS_SPACE_MAP_LINEAR);
1251 }
1252
1253 if ((offset >= sc->sc_memaddr) &&
1254 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1255 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1256 BUS_SPACE_MAP_LINEAR);
1257 }
1258
1259 if ((offset >= sc->sc_romaddr) &&
1260 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1261 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1262 BUS_SPACE_MAP_LINEAR);
1263 }
1264
1265 #ifdef PCI_MAGIC_IO_RANGE
1266 /* allow mapping of IO space */
1267 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1268 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1269 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1270 0, prot, 0);
1271 return pa;
1272 }
1273 #endif /* PCI_MAGIC_IO_RANGE */
1274
1275 #endif /* RADEONFB_MMAP_BARS */
1276
1277 return -1;
1278 }
1279
1280 static void
1281 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1282 {
1283 bus_space_tag_t romt;
1284 bus_space_handle_t romh, biosh;
1285 bus_size_t romsz;
1286 bus_addr_t ptr;
1287
1288 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1289 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1290 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1291 return;
1292 }
1293
1294 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1295 &sc->sc_biossz);
1296 if (sc->sc_biossz == 0) {
1297 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1298 return;
1299 }
1300
1301 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1302 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1303
1304 /* unmap the PCI expansion rom */
1305 bus_space_unmap(romt, romh, romsz);
1306
1307 /* turn off rom decoder now */
1308 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1309 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1310 ~PCI_MAPREG_ROM_ENABLE);
1311
1312 ptr = GETBIOS16(sc, 0x48);
1313 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1314 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1315 sc->sc_flags |= RFB_ATOM;
1316 }
1317
1318 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1319 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1320 }
1321
1322
1323 uint32_t
1324 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1325 {
1326
1327 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1328 }
1329
1330 void
1331 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1332 {
1333
1334 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1335 }
1336
1337 void
1338 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1339 {
1340
1341 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1342 }
1343
1344 void
1345 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1346 uint32_t andmask, uint32_t ormask)
1347 {
1348 int s;
1349 uint32_t val;
1350
1351 s = splhigh();
1352 val = radeonfb_get32(sc, reg);
1353 val = (val & andmask) | ormask;
1354 radeonfb_put32(sc, reg, val);
1355 splx(s);
1356 }
1357
1358 uint32_t
1359 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1360 {
1361 int s;
1362 uint32_t val;
1363
1364 s = splhigh();
1365 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1366 val = radeonfb_get32(sc, RADEON_MM_DATA);
1367 splx(s);
1368
1369 return (val);
1370 }
1371
1372 void
1373 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1374 {
1375 int s;
1376
1377 s = splhigh();
1378 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1379 radeonfb_put32(sc, RADEON_MM_DATA, val);
1380 splx(s);
1381 }
1382
1383 void
1384 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1385 uint32_t andmask, uint32_t ormask)
1386 {
1387 int s;
1388 uint32_t val;
1389
1390 s = splhigh();
1391 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1392 val = radeonfb_get32(sc, RADEON_MM_DATA);
1393 val = (val & andmask) | ormask;
1394 radeonfb_put32(sc, RADEON_MM_DATA, val);
1395 splx(s);
1396 }
1397
1398 uint32_t
1399 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1400 {
1401 int s;
1402 uint32_t val;
1403
1404 s = splhigh();
1405 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f));
1406 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1407 if (HAS_R300CG(sc))
1408 radeonfb_r300cg_workaround(sc);
1409 splx(s);
1410
1411 return (val);
1412 }
1413
1414 void
1415 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1416 {
1417 int s;
1418
1419 s = splhigh();
1420 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1421 RADEON_PLL_WR_EN);
1422 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1423 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1424 splx(s);
1425 }
1426
1427 void
1428 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1429 uint32_t andmask, uint32_t ormask)
1430 {
1431 int s;
1432 uint32_t val;
1433
1434 s = splhigh();
1435 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1436 RADEON_PLL_WR_EN);
1437 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1438 val = (val & andmask) | ormask;
1439 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1440 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1441 splx(s);
1442 }
1443
1444 int
1445 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1446 {
1447 uint32_t saved;
1448
1449 saved = GET32(sc, reg);
1450 PUT32(sc, reg, v);
1451 if (GET32(sc, reg) != v) {
1452 return -1;
1453 }
1454 PUT32(sc, reg, saved);
1455 return 0;
1456 }
1457
1458 uintmax_t
1459 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1460 uintmax_t defval)
1461 {
1462 prop_number_t pn;
1463 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1464 if (pn == NULL) {
1465 return defval;
1466 }
1467 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1468 return (prop_number_integer_value(pn));
1469 }
1470
1471 int
1472 radeonfb_getclocks(struct radeonfb_softc *sc)
1473 {
1474 bus_addr_t ptr;
1475 int refclk = 0;
1476 int refdiv = 0;
1477 int minpll = 0;
1478 int maxpll = 0;
1479
1480 /* load initial property values if port/board provides them */
1481 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1482 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1483 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1484 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1485
1486 PRINTPLL(RADEON_PPLL_REF_DIV);
1487 PRINTPLL(RADEON_PPLL_DIV_0);
1488 PRINTPLL(RADEON_PPLL_DIV_1);
1489 PRINTPLL(RADEON_PPLL_DIV_2);
1490 PRINTPLL(RADEON_PPLL_DIV_3);
1491 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
1492 PRINTPLL(RADEON_P2PLL_REF_DIV);
1493 PRINTPLL(RADEON_P2PLL_DIV_0);
1494
1495 if (refclk && refdiv && minpll && maxpll)
1496 goto dontprobe;
1497
1498 if (!sc->sc_biossz) {
1499 /* no BIOS */
1500 aprint_verbose("%s: No video BIOS, using default clocks\n",
1501 XNAME(sc));
1502 if (IS_IGP(sc))
1503 refclk = refclk ? refclk : 1432;
1504 else
1505 refclk = refclk ? refclk : 2700;
1506 refdiv = refdiv ? refdiv : 12;
1507 minpll = minpll ? minpll : 12500;
1508 /* XXX
1509 * Need to check if the firmware or something programmed a
1510 * higher value than this, and if so, bump it.
1511 * The RV280 in my iBook is unhappy if the PLL input is less
1512 * than 360MHz
1513 */
1514 maxpll = maxpll ? maxpll : 40000/*35000*/;
1515 } else if (IS_ATOM(sc)) {
1516 /* ATOM BIOS */
1517 ptr = GETBIOS16(sc, 0x48);
1518 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1519 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1520 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1521 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1522 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1523 /*
1524 * ATOM BIOS doesn't supply a reference divider, so we
1525 * have to probe for it.
1526 */
1527 if (refdiv < 2)
1528 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1529 RADEON_PPLL_REF_DIV_MASK;
1530 /*
1531 * if probe is zero, just assume one that should work
1532 * for most parts
1533 */
1534 if (refdiv < 2)
1535 refdiv = 12;
1536
1537 } else {
1538 uint32_t tmp = GETPLL(sc, RADEON_PPLL_REF_DIV);
1539 /* Legacy BIOS */
1540 ptr = GETBIOS16(sc, 0x48);
1541 ptr = GETBIOS16(sc, ptr + 0x30);
1542 if (IS_R300(sc)) {
1543 refdiv = refdiv ? refdiv :
1544 (tmp & R300_PPLL_REF_DIV_ACC_MASK) >>
1545 R300_PPLL_REF_DIV_ACC_SHIFT;
1546 } else {
1547 refdiv = refdiv ? refdiv :
1548 tmp & RADEON_PPLL_REF_DIV_MASK;
1549 }
1550 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1551 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1552 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1553 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1554 }
1555
1556
1557 dontprobe:
1558 sc->sc_refclk = refclk * 10;
1559 sc->sc_refdiv = refdiv;
1560 sc->sc_minpll = minpll * 10;
1561 sc->sc_maxpll = maxpll * 10;
1562 return 0;
1563 }
1564
1565 int
1566 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1567 uint32_t *postdivbit, uint32_t *feedbackdiv)
1568 {
1569 int i;
1570 uint32_t outfreq;
1571 int div;
1572
1573 DPRINTF(("dot clock: %u\n", dotclock));
1574 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1575 outfreq = div * dotclock;
1576 if ((outfreq >= sc->sc_minpll) &&
1577 (outfreq <= sc->sc_maxpll)) {
1578 DPRINTF(("outfreq: %u\n", outfreq));
1579 *postdivbit =
1580 ((uint32_t)radeonfb_dividers[i].mask << 16);
1581 DPRINTF(("post divider: %d (mask %x)\n", div,
1582 *postdivbit));
1583 break;
1584 }
1585 }
1586
1587 if (div == 0)
1588 return 1;
1589
1590 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1591 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1592 return 0;
1593 }
1594
1595 #if 0
1596 #ifdef RADEONFB_DEBUG
1597 static void
1598 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1599 {
1600 char asc[17];
1601 unsigned ptr = (unsigned)buffer;
1602 char *start = (char *)(ptr & ~0xf);
1603 char *end = (char *)(ptr + size);
1604
1605 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1606
1607 if (pfx == NULL) {
1608 pfx = "";
1609 }
1610
1611 while (start < end) {
1612 unsigned offset = (unsigned)start & 0xf;
1613 if (offset == 0) {
1614 printf("%s%x: ", pfx, (unsigned)start);
1615 }
1616 if (((unsigned)start < ptr) ||
1617 ((unsigned)start >= (ptr + size))) {
1618 printf(" ");
1619 asc[offset] = ' ';
1620 } else {
1621 printf("%02x", *(unsigned char *)start);
1622 if ((*start >= ' ') && (*start <= '~')) {
1623 asc[offset] = *start;
1624 } else {
1625 asc[offset] = '.';
1626 }
1627 }
1628 asc[offset + 1] = 0;
1629 if (offset % 2) {
1630 printf(" ");
1631 }
1632 if (offset == 15) {
1633 printf(" %s\n", asc);
1634 }
1635 start++;
1636 }
1637 }
1638 #endif
1639 #endif
1640
1641 int
1642 radeonfb_getconnectors(struct radeonfb_softc *sc)
1643 {
1644 int i;
1645 int found = 0;
1646
1647 for (i = 0; i < 2; i++) {
1648 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1649 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1650 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1651 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1652 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1653 }
1654
1655 /*
1656 * This logic is borrowed from Xorg's radeon driver.
1657 */
1658 if (!sc->sc_biossz)
1659 goto nobios;
1660
1661 if (IS_ATOM(sc)) {
1662 /* not done yet */
1663 } else {
1664 uint16_t ptr;
1665 int port = 0;
1666
1667 ptr = GETBIOS16(sc, 0x48);
1668 ptr = GETBIOS16(sc, ptr + 0x50);
1669 for (i = 1; i < 4; i++) {
1670 uint16_t entry;
1671 uint8_t conn, ddc, dac, tmds;
1672
1673 /*
1674 * Parse the connector table. From reading the code,
1675 * it appears to made up of 16-bit entries for each
1676 * connector. The 16-bits are defined as:
1677 *
1678 * bits 12-15 - connector type (0 == end of table)
1679 * bits 8-11 - DDC type
1680 * bits 5-7 - ???
1681 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1682 * bits 1-3 - ???
1683 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1684 */
1685 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1686 break;
1687 entry = GETBIOS16(sc, ptr + i * 2);
1688
1689 conn = (entry >> 12) & 0xf;
1690 ddc = (entry >> 8) & 0xf;
1691 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1692 RADEON_DAC_PRIMARY;
1693 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1694 RADEON_TMDS_INT;
1695
1696 if (conn == RADEON_CONN_NONE)
1697 continue; /* no connector */
1698
1699 if ((found > 0) &&
1700 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1701 /* duplicate entry for same connector */
1702 continue;
1703 }
1704
1705 /* internal DDC_DVI port gets priority */
1706 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1707 port = 0;
1708 else
1709 port = 1;
1710
1711 sc->sc_ports[port].rp_ddc_type =
1712 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1713 sc->sc_ports[port].rp_dac_type = dac;
1714 sc->sc_ports[port].rp_conn_type =
1715 min(conn, RADEON_CONN_UNSUPPORTED) ;
1716
1717 sc->sc_ports[port].rp_tmds_type = tmds;
1718
1719 if ((conn != RADEON_CONN_DVI_I) &&
1720 (conn != RADEON_CONN_DVI_D) &&
1721 (tmds == RADEON_TMDS_INT))
1722 sc->sc_ports[port].rp_tmds_type =
1723 RADEON_TMDS_UNKNOWN;
1724 sc->sc_ports[port].rp_number = i - 1;
1725
1726 found += (port + 1);
1727 }
1728 }
1729
1730 nobios:
1731 if (!found) {
1732 DPRINTF(("No connector info in BIOS!\n"));
1733 if IS_MOBILITY(sc) {
1734 /* default, port 0 = internal TMDS, port 1 = CRT */
1735 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1736 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1737 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1738 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1739 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1740 sc->sc_ports[0].rp_number = 0;
1741
1742 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1743 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1744 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1745 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1746 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1747 sc->sc_ports[1].rp_number = 1;
1748 } else {
1749 /* default, port 0 = DVI, port 1 = CRT */
1750 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1751 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1752 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1753 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1754 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1755 sc->sc_ports[0].rp_number = 1;
1756
1757 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1758 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1759 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1760 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1761 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1762 sc->sc_ports[1].rp_number = 0;
1763 }
1764 }
1765
1766 /*
1767 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1768 * these chips should use TVDAC for the VGA port.
1769 */
1770 if (HAS_SDAC(sc)) {
1771 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1772 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1773 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1774 } else {
1775 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1776 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1777 }
1778 } else if (!HAS_CRTC2(sc)) {
1779 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1780 }
1781
1782 for (i = 0; i < 2; i++) {
1783 char edid[128];
1784 uint8_t ddc;
1785 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1786 prop_data_t edid_data;
1787
1788 DPRINTF(("Port #%d:\n", i));
1789 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1790 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1791 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1792 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1793 DPRINTF((" crtc = %d\n", sc->sc_ports[i].rp_number));
1794
1795 sc->sc_ports[i].rp_edid_valid = 0;
1796 /* first look for static EDID data */
1797 if ((edid_data = prop_dictionary_get(device_properties(
1798 sc->sc_dev), "EDID")) != NULL) {
1799
1800 aprint_debug_dev(sc->sc_dev, "using static EDID\n");
1801 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1802 if (edid_parse(edid, eip) == 0) {
1803
1804 sc->sc_ports[i].rp_edid_valid = 1;
1805 }
1806 }
1807 /* if we didn't find any we'll try to talk to the monitor */
1808 if (sc->sc_ports[i].rp_edid_valid != 1) {
1809
1810 ddc = sc->sc_ports[i].rp_ddc_type;
1811 if (ddc != RADEON_DDC_NONE) {
1812 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1813 == 0) && (edid_parse(edid, eip) == 0)) {
1814
1815 sc->sc_ports[i].rp_edid_valid = 1;
1816 #ifdef RADEONFB_DEBUG
1817 edid_print(eip);
1818 #endif
1819 }
1820 }
1821 }
1822 }
1823
1824 return found;
1825 }
1826
1827 int
1828 radeonfb_gettmds(struct radeonfb_softc *sc)
1829 {
1830 int i;
1831
1832 if (!sc->sc_biossz) {
1833 goto nobios;
1834 }
1835
1836 if (IS_ATOM(sc)) {
1837 /* XXX: not done yet */
1838 } else {
1839 uint16_t ptr;
1840 int n;
1841
1842 ptr = GETBIOS16(sc, 0x48);
1843 ptr = GETBIOS16(sc, ptr + 0x34);
1844 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1845 if (GETBIOS8(sc, ptr) == 3) {
1846 /* revision three table */
1847 n = GETBIOS8(sc, ptr + 5) + 1;
1848 n = min(n, 4);
1849
1850 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1851 for (i = 0; i < n; i++) {
1852 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1853 ptr + i * 10 + 8);
1854 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1855 ptr + i * 10 + 0x10);
1856 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1857 sc->sc_tmds_pll[i].rtp_freq,
1858 sc->sc_tmds_pll[i].rtp_pll));
1859 }
1860 return 0;
1861 }
1862 }
1863
1864 nobios:
1865 DPRINTF(("no suitable DFP table present\n"));
1866 for (i = 0;
1867 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1868 i++) {
1869 int j;
1870
1871 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1872 continue;
1873
1874 for (j = 0; j < 4; j++) {
1875 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1876 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1877 sc->sc_tmds_pll[j].rtp_freq,
1878 sc->sc_tmds_pll[j].rtp_pll));
1879 }
1880 return 0;
1881 }
1882
1883 return -1;
1884 }
1885
1886 const struct videomode *
1887 radeonfb_modelookup(const char *name)
1888 {
1889 int i;
1890
1891 for (i = 0; i < videomode_count; i++)
1892 if (!strcmp(name, videomode_list[i].name))
1893 return &videomode_list[i];
1894
1895 return NULL;
1896 }
1897
1898 void
1899 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1900 {
1901 if (crtc) {
1902 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1903 RADEON_P2PLL_ATOMIC_UPDATE_R);
1904 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1905 } else {
1906 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1907 RADEON_PPLL_ATOMIC_UPDATE_R);
1908 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1909 }
1910 }
1911
1912 void
1913 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1914 {
1915 int i;
1916
1917 for (i = 10000; i; i--) {
1918 if (crtc) {
1919 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1920 RADEON_P2PLL_ATOMIC_UPDATE_R)
1921 break;
1922 } else {
1923 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1924 RADEON_PPLL_ATOMIC_UPDATE_R)
1925 break;
1926 }
1927 }
1928 }
1929
1930 void
1931 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1932 {
1933 uint32_t pbit = 0;
1934 uint32_t feed = 0;
1935 uint32_t data, refdiv, div0;
1936
1937 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1938
1939 if (crtc == 0) {
1940
1941 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV);
1942 if (IS_R300(sc)) {
1943 refdiv = (refdiv & ~R300_PPLL_REF_DIV_ACC_MASK) |
1944 (sc->sc_refdiv << R300_PPLL_REF_DIV_ACC_SHIFT);
1945 } else {
1946 refdiv = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) |
1947 sc->sc_refdiv;
1948 }
1949 div0 = GETPLL(sc, RADEON_PPLL_DIV_0);
1950 div0 &= ~(RADEON_PPLL_FB3_DIV_MASK |
1951 RADEON_PPLL_POST3_DIV_MASK);
1952 div0 |= pbit;
1953 div0 |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1954
1955 if ((refdiv == GETPLL(sc, RADEON_PPLL_REF_DIV)) &&
1956 (div0 == GETPLL(sc, RADEON_PPLL_DIV_0))) {
1957 /*
1958 * nothing to do here, the PLL is already where we
1959 * want it
1960 */
1961 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1962 ~RADEON_PLL_DIV_SEL);
1963 aprint_debug_dev(sc->sc_dev, "no need to touch the PLL\n");
1964 return;
1965 }
1966
1967 /* alright, we do need to reprogram stuff */
1968 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1969 RADEON_VCLK_SRC_SEL_CPUCLK,
1970 ~RADEON_VCLK_SRC_SEL_MASK);
1971
1972 /* put vclk into reset, use atomic updates */
1973 SETPLL(sc, RADEON_PPLL_CNTL,
1974 RADEON_PPLL_REFCLK_SEL |
1975 RADEON_PPLL_FBCLK_SEL |
1976 RADEON_PPLL_RESET |
1977 RADEON_PPLL_ATOMIC_UPDATE_EN |
1978 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1979
1980 /* select clock 0 */
1981 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1982 ~RADEON_PLL_DIV_SEL);
1983
1984 PUTPLL(sc, RADEON_PPLL_REF_DIV, refdiv);
1985
1986 /* xf86-video-radeon does this, not sure why */
1987 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
1988 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
1989
1990 /* use the atomic update */
1991 radeonfb_pllwriteupdate(sc, crtc);
1992
1993 /* and wait for it to complete */
1994 radeonfb_pllwaitatomicread(sc, crtc);
1995
1996 /* program HTOTAL (why?) */
1997 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1998
1999 /* drop reset */
2000 CLRPLL(sc, RADEON_PPLL_CNTL,
2001 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
2002 RADEON_PPLL_ATOMIC_UPDATE_EN |
2003 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2004
2005 PRINTPLL(RADEON_PPLL_CNTL);
2006 PRINTPLL(RADEON_PPLL_REF_DIV);
2007 PRINTPLL(RADEON_PPLL_DIV_3);
2008
2009 /* give clock time to lock */
2010 delay(50000);
2011
2012 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2013 RADEON_VCLK_SRC_SEL_PPLLCLK,
2014 ~RADEON_VCLK_SRC_SEL_MASK);
2015
2016 } else {
2017
2018 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2019 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
2020 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2021
2022 /* put vclk into reset, use atomic updates */
2023 SETPLL(sc, RADEON_P2PLL_CNTL,
2024 RADEON_P2PLL_RESET |
2025 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2026 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2027
2028 /* program reference divider */
2029 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
2030 ~RADEON_P2PLL_REF_DIV_MASK);
2031
2032 /* program feedback and post dividers */
2033 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
2034 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
2035 RADEON_P2PLL_POST0_DIV_MASK);
2036 data |= pbit;
2037 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
2038 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2039 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2040
2041 PRINTPLL(RADEON_P2PLL_REF_DIV);
2042 PRINTPLL(RADEON_P2PLL_DIV_0);
2043
2044 /* use the atomic update */
2045 radeonfb_pllwriteupdate(sc, crtc);
2046
2047 /* and wait for it to complete */
2048 radeonfb_pllwaitatomicread(sc, crtc);
2049
2050 /* program HTOTAL (why?) */
2051 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
2052
2053 /* drop reset */
2054 CLRPLL(sc, RADEON_P2PLL_CNTL,
2055 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
2056 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2057 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2058
2059 /* allow time for clock to lock */
2060 delay(50000);
2061
2062 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2063 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
2064 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2065 }
2066 PRINTREG(RADEON_CRTC_MORE_CNTL);
2067 }
2068
2069 void
2070 radeonfb_modeswitch(struct radeonfb_display *dp)
2071 {
2072 struct radeonfb_softc *sc = dp->rd_softc;
2073 int i;
2074
2075 /* blank the display while we switch modes */
2076 radeonfb_blank(dp, 1);
2077
2078 #if 0
2079 SET32(sc, RADEON_CRTC_EXT_CNTL,
2080 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2081 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2082 #endif
2083
2084 /* these registers might get in the way... */
2085 PUT32(sc, RADEON_OVR_CLR, 0);
2086 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
2087 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
2088 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
2089 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
2090 PUT32(sc, RADEON_VIPH_CONTROL, 0);
2091 PUT32(sc, RADEON_I2C_CNTL_1, 0);
2092 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2093 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
2094 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
2095 PUT32(sc, RADEON_SURFACE_CNTL, 0);
2096
2097 for (i = 0; i < dp->rd_ncrtcs; i++)
2098 radeonfb_setcrtc(dp, i);
2099
2100 /* activate the display */
2101 radeonfb_blank(dp, 0);
2102 }
2103
2104 void
2105 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
2106 {
2107 int crtc;
2108 struct videomode *mode;
2109 struct radeonfb_softc *sc;
2110 struct radeonfb_crtc *cp;
2111 uint32_t v;
2112 uint32_t gencntl;
2113 uint32_t htotaldisp;
2114 uint32_t hsyncstrt;
2115 uint32_t vtotaldisp;
2116 uint32_t vsyncstrt;
2117 uint32_t fphsyncstrt;
2118 uint32_t fpvsyncstrt;
2119 uint32_t fphtotaldisp;
2120 uint32_t fpvtotaldisp;
2121 uint32_t pitch;
2122
2123 sc = dp->rd_softc;
2124 cp = &dp->rd_crtcs[index];
2125 crtc = cp->rc_number;
2126 mode = &cp->rc_videomode;
2127
2128 #if 1
2129 pitch = dp->rd_stride / dp->rd_bpp;
2130 #else
2131 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
2132 (sc->sc_maxbpp * 8));
2133 #endif
2134 switch (crtc) {
2135 case 0:
2136 gencntl = RADEON_CRTC_GEN_CNTL;
2137 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
2138 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
2139 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
2140 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2141 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2142 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2143 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2144 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2145 break;
2146 case 1:
2147 gencntl = RADEON_CRTC2_GEN_CNTL;
2148 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2149 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2150 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2151 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2152 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2153 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2154 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
2155 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
2156 break;
2157 default:
2158 panic("Bad CRTC!");
2159 break;
2160 }
2161
2162 /*
2163 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2164 */
2165 /* only bother with 32bpp and 8bpp */
2166 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2167
2168 if (crtc == 1) {
2169 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2170 } else {
2171 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2172 }
2173
2174 if (mode->flags & VID_DBLSCAN)
2175 v |= RADEON_CRTC2_DBL_SCAN_EN;
2176
2177 if (mode->flags & VID_INTERLACE)
2178 v |= RADEON_CRTC2_INTERLACE_EN;
2179
2180 if (mode->flags & VID_CSYNC) {
2181 v |= RADEON_CRTC2_CSYNC_EN;
2182 if (crtc == 1)
2183 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2184 }
2185
2186 PUT32(sc, gencntl, v);
2187 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2188
2189 /*
2190 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2191 */
2192 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2193 if (crtc == 0) {
2194 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2195 RADEON_CRTC_DISPLAY_DIS);
2196 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2197 if (mode->flags & VID_CSYNC)
2198 v |= RADEON_CRTC_VSYNC_TRISTAT;
2199 }
2200 /* unconditional turn on CRT, in case first CRTC is DFP */
2201 v |= RADEON_CRTC_CRT_ON;
2202 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2203 PRINTREG(RADEON_CRTC_EXT_CNTL);
2204
2205 /*
2206 * H_TOTAL_DISP
2207 */
2208 v = ((mode->hdisplay / 8) - 1) << 16;
2209 v |= (mode->htotal / 8) - 1;
2210 PUT32(sc, htotaldisp, v);
2211 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2212 PUT32(sc, fphtotaldisp, v);
2213 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2214
2215 /*
2216 * H_SYNC_STRT_WID
2217 */
2218 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2219 v |= (mode->hsync_start - 8); /* match xf86-video-radeon */
2220 if (mode->flags & VID_NHSYNC)
2221 v |= RADEON_CRTC_H_SYNC_POL;
2222 PUT32(sc, hsyncstrt, v);
2223 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2224 PUT32(sc, fphsyncstrt, v);
2225 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2226
2227 /*
2228 * V_TOTAL_DISP
2229 */
2230 v = ((mode->vdisplay - 1) << 16);
2231 v |= (mode->vtotal - 1);
2232 PUT32(sc, vtotaldisp, v);
2233 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2234 PUT32(sc, fpvtotaldisp, v);
2235 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2236
2237 /*
2238 * V_SYNC_STRT_WID
2239 */
2240 v = ((mode->vsync_end - mode->vsync_start) << 16);
2241 v |= (mode->vsync_start - 1);
2242 if (mode->flags & VID_NVSYNC)
2243 v |= RADEON_CRTC_V_SYNC_POL;
2244 PUT32(sc, vsyncstrt, v);
2245 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2246 PUT32(sc, fpvsyncstrt, v);
2247 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2248
2249 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2250
2251 switch (crtc) {
2252 case 0:
2253 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2254 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2255 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2256 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2257
2258 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2259 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2260 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2261 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2262 PRINTREG(RADEON_CRTC_EXT_CNTL);
2263 PRINTREG(RADEON_CRTC_GEN_CNTL);
2264 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2265 break;
2266
2267 case 1:
2268 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2269 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2270 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2271 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2272 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2273 RADEON_CRTC2_VSYNC_DIS |
2274 RADEON_CRTC2_HSYNC_DIS |
2275 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2276 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2277 break;
2278 }
2279 }
2280
2281 int
2282 radeonfb_isblank(struct radeonfb_display *dp)
2283 {
2284 uint32_t reg, mask;
2285
2286 if(!dp->rd_softc->sc_mapped)
2287 return 1;
2288
2289 if (dp->rd_crtcs[0].rc_number) {
2290 reg = RADEON_CRTC2_GEN_CNTL;
2291 mask = RADEON_CRTC2_DISP_DIS;
2292 } else {
2293 reg = RADEON_CRTC_EXT_CNTL;
2294 mask = RADEON_CRTC_DISPLAY_DIS;
2295 }
2296 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2297 }
2298
2299 void
2300 radeonfb_blank(struct radeonfb_display *dp, int blank)
2301 {
2302 struct radeonfb_softc *sc = dp->rd_softc;
2303 uint32_t reg, mask;
2304 uint32_t fpreg, fpval;
2305 int i;
2306
2307 if (!sc->sc_mapped)
2308 return;
2309
2310 for (i = 0; i < dp->rd_ncrtcs; i++) {
2311
2312 if (dp->rd_crtcs[i].rc_number) {
2313 reg = RADEON_CRTC2_GEN_CNTL;
2314 mask = RADEON_CRTC2_DISP_DIS;
2315 fpreg = RADEON_FP2_GEN_CNTL;
2316 fpval = RADEON_FP2_ON;
2317 } else {
2318 reg = RADEON_CRTC_EXT_CNTL;
2319 mask = RADEON_CRTC_DISPLAY_DIS;
2320 fpreg = RADEON_FP_GEN_CNTL;
2321 fpval = RADEON_FP_FPON;
2322 }
2323
2324 if (blank) {
2325 SET32(sc, reg, mask);
2326 CLR32(sc, fpreg, fpval);
2327 } else {
2328 CLR32(sc, reg, mask);
2329 SET32(sc, fpreg, fpval);
2330 }
2331 }
2332 PRINTREG(RADEON_FP_GEN_CNTL);
2333 PRINTREG(RADEON_FP2_GEN_CNTL);
2334 }
2335
2336 void
2337 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2338 long *defattr)
2339 {
2340 struct radeonfb_display *dp = cookie;
2341 struct rasops_info *ri = &scr->scr_ri;
2342
2343 /* initialize font subsystem */
2344 wsfont_init();
2345
2346 DPRINTF(("init screen called, existing %d\n", existing));
2347
2348 ri->ri_depth = dp->rd_bpp;
2349 ri->ri_width = dp->rd_virtx;
2350 ri->ri_height = dp->rd_virty;
2351 ri->ri_stride = dp->rd_stride;
2352 ri->ri_flg = RI_CENTER;
2353 switch (ri->ri_depth) {
2354 case 8:
2355 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB;
2356 break;
2357 case 32:
2358 ri->ri_flg |= RI_ENABLE_ALPHA;
2359 /* we run radeons in RGB even on SPARC hardware */
2360 ri->ri_rnum = 8;
2361 ri->ri_gnum = 8;
2362 ri->ri_bnum = 8;
2363 ri->ri_rpos = 16;
2364 ri->ri_gpos = 8;
2365 ri->ri_bpos = 0;
2366 break;
2367 }
2368
2369 ri->ri_bits = (void *)dp->rd_fbptr;
2370
2371 #ifdef VCONS_DRAW_INTR
2372 scr->scr_flags |= VCONS_DONT_READ;
2373 #endif
2374
2375 if (existing) {
2376 ri->ri_flg |= RI_CLEAR;
2377
2378 /* start a modeswitch now */
2379 radeonfb_modeswitch(dp);
2380 }
2381
2382 /*
2383 * XXX: font selection should be based on properties, with some
2384 * normal/reasonable default.
2385 */
2386
2387 /* initialize and look for an initial font */
2388 rasops_init(ri, 0, 0);
2389 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
2390 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE;
2391
2392 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2393 dp->rd_virtx / ri->ri_font->fontwidth);
2394
2395 /* enable acceleration */
2396 dp->rd_putchar = ri->ri_ops.putchar;
2397 ri->ri_ops.copyrows = radeonfb_copyrows;
2398 ri->ri_ops.copycols = radeonfb_copycols;
2399 ri->ri_ops.eraserows = radeonfb_eraserows;
2400 ri->ri_ops.erasecols = radeonfb_erasecols;
2401 /* pick a putchar method based on font and Radeon model */
2402 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2403 /* got a bitmap font */
2404 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
2405 if (IS_R300(dp->rd_softc)) {
2406 /*
2407 * radeonfb_putchar() doesn't work right on some R3xx
2408 * so we use software drawing here, the wrapper just
2409 * makes sure the engine is idle before scribbling
2410 * into vram
2411 */
2412 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2413 } else
2414 #endif
2415 ri->ri_ops.putchar = radeonfb_putchar;
2416 } else {
2417 /* got an alpha font */
2418 switch(ri->ri_depth) {
2419 case 32:
2420 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2421 break;
2422 case 8:
2423 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2424 break;
2425 default:
2426 /* XXX this should never happen */
2427 panic("%s: depth is not 8 or 32 but we got an" \
2428 " alpha font?!", __func__);
2429 }
2430 }
2431 ri->ri_ops.cursor = radeonfb_cursor;
2432 }
2433
2434 void
2435 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2436 {
2437 uint32_t gen, ext, gen2 = 0;
2438 uint32_t agploc, aperbase, apersize, mcfbloc;
2439
2440 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2441 /* XXX */
2442 ext = GET32(sc, RADEON_CRTC_EXT_CNTL) & ~RADEON_CRTC_DISPLAY_DIS;
2443 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2444 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2445 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2446
2447 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2448 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2449 #if 0
2450 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2451 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2452 #endif
2453
2454 if (HAS_CRTC2(sc)) {
2455 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2456 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2457 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2458 }
2459
2460 delay(100000);
2461
2462 mcfbloc = (aperbase >> 16) |
2463 ((aperbase + (apersize - 1)) & 0xffff0000);
2464
2465 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2466 sc->sc_memsz = apersize;
2467
2468 if (((agploc & 0xffff) << 16) !=
2469 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2470 agploc = mcfbloc & 0xffff0000U;
2471 agploc |= ((agploc + 0x10000) >> 16);
2472 }
2473
2474 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2475
2476 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2477 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2478
2479 DPRINTF(("aperbase = %u\n", aperbase));
2480 PRINTREG(RADEON_MC_FB_LOCATION);
2481 PRINTREG(RADEON_MC_AGP_LOCATION);
2482
2483 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2484
2485 if (HAS_CRTC2(sc))
2486 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2487
2488 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2489
2490 #if 0
2491 /* XXX: what is this AGP garbage? :-) */
2492 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2493 #endif
2494
2495 delay(100000);
2496
2497 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2498 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2499
2500 if (HAS_CRTC2(sc))
2501 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2502 }
2503
2504 void
2505 radeonfb_init_misc(struct radeonfb_softc *sc)
2506 {
2507 PUT32(sc, RADEON_BUS_CNTL,
2508 RADEON_BUS_MASTER_DIS |
2509 RADEON_BUS_PREFETCH_MODE_ACT |
2510 RADEON_BUS_PCI_READ_RETRY_EN |
2511 RADEON_BUS_PCI_WRT_RETRY_EN |
2512 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2513 RADEON_BUS_MSTR_RD_MULT |
2514 RADEON_BUS_MSTR_RD_LINE |
2515 RADEON_BUS_RD_DISCARD_EN |
2516 RADEON_BUS_MSTR_DISCONNECT_EN |
2517 RADEON_BUS_READ_BURST);
2518
2519 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2520 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2521 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2522 PUT32(sc, RADEON_RBBM_CNTL,
2523 (3 << RADEON_RB_SETTLE_SHIFT) |
2524 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2525 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2526 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2527
2528 /* XXX: figure out what these mean! */
2529 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2530 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2531 #if 0
2532 PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2533 #endif
2534
2535 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2536 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2537 }
2538
2539 /*
2540 * This loads a linear color map for true color.
2541 */
2542 void
2543 radeonfb_init_palette(struct radeonfb_display *dp)
2544 {
2545 struct radeonfb_softc *sc = dp->rd_softc;
2546 int i, cc;
2547 uint32_t vclk;
2548 int crtc;
2549
2550 #define DAC_WIDTH ((1 << 10) - 1)
2551 #define CLUT_WIDTH ((1 << 8) - 1)
2552 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2553
2554 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2555 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2556
2557 /* initialize the palette for every CRTC used by this display */
2558 for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
2559 crtc = dp->rd_crtcs[cc].rc_number;
2560 DPRINTF(("%s: doing crtc %d %d\n", __func__, cc, crtc));
2561
2562 if (crtc)
2563 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2564 else
2565 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2566
2567 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2568
2569 if (dp->rd_bpp == 8) {
2570
2571 /* R3G3B2 palette */
2572 int j = 0;
2573 uint32_t tmp, r, g, b;
2574
2575 for (i = 0; i <= CLUT_WIDTH; ++i) {
2576 tmp = i & 0xe0;
2577 /*
2578 * replicate bits so 0xe0 maps to a red value of 0xff
2579 * in order to make white look actually white
2580 */
2581 tmp |= (tmp >> 3) | (tmp >> 6);
2582 r = tmp;
2583
2584 tmp = (i & 0x1c) << 3;
2585 tmp |= (tmp >> 3) | (tmp >> 6);
2586 g = tmp;
2587
2588 tmp = (i & 0x03) << 6;
2589 tmp |= tmp >> 2;
2590 tmp |= tmp >> 4;
2591 b = tmp;
2592
2593 PUT32(sc, RADEON_PALETTE_30_DATA,
2594 (r << 22) |
2595 (g << 12) |
2596 (b << 2));
2597 j += 3;
2598 }
2599 } else {
2600 /* linear ramp */
2601 for (i = 0; i <= CLUT_WIDTH; ++i) {
2602 PUT32(sc, RADEON_PALETTE_30_DATA,
2603 (CLUT_COLOR(i) << 10) |
2604 (CLUT_COLOR(i) << 20) |
2605 (CLUT_COLOR(i)));
2606 }
2607 }
2608 }
2609
2610 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2611 PRINTREG(RADEON_DAC_CNTL2);
2612
2613 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2614 }
2615
2616 /*
2617 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2618 */
2619 void
2620 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2621 {
2622 uint32_t tmp, save;
2623
2624 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2625 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2626 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2627 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2628 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2629 }
2630
2631 /*
2632 * Acceleration entry points.
2633 */
2634
2635 /* this one draws characters using bitmap fonts */
2636 static void
2637 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2638 {
2639 struct rasops_info *ri = cookie;
2640 struct vcons_screen *scr = ri->ri_hw;
2641 struct radeonfb_display *dp = scr->scr_cookie;
2642 struct radeonfb_softc *sc = dp->rd_softc;
2643 struct wsdisplay_font *font = PICK_FONT(ri, c);
2644 uint32_t w, h;
2645 int xd, yd, offset, i;
2646 uint32_t bg, fg, gmc;
2647 uint32_t reg;
2648 uint8_t *data8;
2649 uint16_t *data16;
2650 void *data;
2651
2652 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2653 return;
2654
2655 if (!CHAR_IN_FONT(c, font))
2656 return;
2657
2658 w = font->fontwidth;
2659 h = font->fontheight;
2660
2661 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2662 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2663
2664 xd = ri->ri_xorigin + col * w;
2665 yd = ri->ri_yorigin + row * h;
2666
2667 if (c == 0x20) {
2668 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2669 return;
2670 }
2671 data = WSFONT_GLYPH(c, font);
2672
2673 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2674
2675 radeonfb_wait_fifo(sc, 9);
2676
2677 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2678 RADEON_GMC_BRUSH_NONE |
2679 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2680 RADEON_GMC_DST_CLIPPING |
2681 RADEON_ROP3_S |
2682 RADEON_DP_SRC_SOURCE_HOST_DATA |
2683 RADEON_GMC_CLR_CMP_CNTL_DIS |
2684 RADEON_GMC_WR_MSK_DIS |
2685 gmc);
2686
2687 PUT32(sc, RADEON_SC_LEFT, xd);
2688 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2689 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2690 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2691 PUT32(sc, RADEON_DP_CNTL,
2692 RADEON_DST_X_LEFT_TO_RIGHT |
2693 RADEON_DST_Y_TOP_TO_BOTTOM);
2694
2695 PUT32(sc, RADEON_SRC_X_Y, 0);
2696 offset = 32 - (font->stride << 3);
2697 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2698 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2699
2700 radeonfb_wait_fifo(sc, h);
2701 switch (font->stride) {
2702 case 1: {
2703 data8 = data;
2704 for (i = 0; i < h; i++) {
2705 reg = *data8;
2706 #if BYTE_ORDER == LITTLE_ENDIAN
2707 reg = reg << 24;
2708 #endif
2709 bus_space_write_stream_4(sc->sc_regt,
2710 sc->sc_regh, RADEON_HOST_DATA0, reg);
2711 data8++;
2712 }
2713 break;
2714 }
2715 case 2: {
2716 data16 = data;
2717 for (i = 0; i < h; i++) {
2718 reg = *data16;
2719 #if BYTE_ORDER == LITTLE_ENDIAN
2720 reg = reg << 16;
2721 #endif
2722 bus_space_write_stream_4(sc->sc_regt,
2723 sc->sc_regh, RADEON_HOST_DATA0, reg);
2724 data16++;
2725 }
2726 break;
2727 }
2728 }
2729 if (attr & 1)
2730 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2731 }
2732
2733 /* ... while this one is for anti-aliased ones */
2734 static void
2735 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
2736 {
2737 struct rasops_info *ri = cookie;
2738 struct vcons_screen *scr = ri->ri_hw;
2739 struct radeonfb_display *dp = scr->scr_cookie;
2740 struct radeonfb_softc *sc = dp->rd_softc;
2741 struct wsdisplay_font *font = PICK_FONT(ri, c);
2742 uint32_t bg, fg, gmc;
2743 uint8_t *data;
2744 int w, h, xd, yd;
2745 int i, r, g, b, aval;
2746 int rf, gf, bf, rb, gb, bb;
2747 uint32_t pixel;
2748 int rv;
2749
2750 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2751 return;
2752
2753 if (!CHAR_IN_FONT(c, font))
2754 return;
2755
2756 w = font->fontwidth;
2757 h = font->fontheight;
2758
2759 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2760 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2761
2762 xd = ri->ri_xorigin + col * w;
2763 yd = ri->ri_yorigin + row * h;
2764
2765 if (c == 0x20) {
2766 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2767 if (attr & 1)
2768 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2769 return;
2770 }
2771 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
2772 if (rv == GC_OK)
2773 return;
2774
2775 data = WSFONT_GLYPH(c, font);
2776
2777 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2778
2779 radeonfb_wait_fifo(sc, 5);
2780
2781 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2782 RADEON_GMC_BRUSH_NONE |
2783 RADEON_GMC_SRC_DATATYPE_COLOR |
2784 RADEON_ROP3_S |
2785 RADEON_DP_SRC_SOURCE_HOST_DATA |
2786 RADEON_GMC_CLR_CMP_CNTL_DIS |
2787 RADEON_GMC_WR_MSK_DIS |
2788 gmc);
2789
2790 PUT32(sc, RADEON_DP_CNTL,
2791 RADEON_DST_X_LEFT_TO_RIGHT |
2792 RADEON_DST_Y_TOP_TO_BOTTOM);
2793
2794 PUT32(sc, RADEON_SRC_X_Y, 0);
2795 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2796 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
2797
2798 rf = (fg >> 16) & 0xff;
2799 rb = (bg >> 16) & 0xff;
2800 gf = (fg >> 8) & 0xff;
2801 gb = (bg >> 8) & 0xff;
2802 bf = fg & 0xff;
2803 bb = bg & 0xff;
2804
2805 /*
2806 * I doubt we can upload data faster than even the slowest Radeon
2807 * could process them, especially when doing the alpha blending stuff
2808 * along the way, so just make sure there's some room in the FIFO and
2809 * then hammer away
2810 * As it turns out we can, so make periodic stops to let the FIFO
2811 * drain.
2812 */
2813 radeonfb_wait_fifo(sc, 20);
2814 for (i = 0; i < ri->ri_fontscale; i++) {
2815 aval = *data;
2816 data++;
2817 if (aval == 0) {
2818 pixel = bg;
2819 } else if (aval == 255) {
2820 pixel = fg;
2821 } else {
2822 r = aval * rf + (255 - aval) * rb;
2823 g = aval * gf + (255 - aval) * gb;
2824 b = aval * bf + (255 - aval) * bb;
2825 pixel = (r & 0xff00) << 8 |
2826 (g & 0xff00) |
2827 (b & 0xff00) >> 8;
2828 }
2829 if (i & 16)
2830 radeonfb_wait_fifo(sc, 20);
2831 PUT32(sc, RADEON_HOST_DATA0, pixel);
2832 }
2833 if (rv == GC_ADD) {
2834 glyphcache_add(&dp->rd_gc, c, xd, yd);
2835 } else
2836 if (attr & 1)
2837 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2838
2839 }
2840
2841 static void
2842 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
2843 {
2844 struct rasops_info *ri = cookie;
2845 struct vcons_screen *scr = ri->ri_hw;
2846 struct radeonfb_display *dp = scr->scr_cookie;
2847 struct radeonfb_softc *sc = dp->rd_softc;
2848 struct wsdisplay_font *font = PICK_FONT(ri, c);
2849 uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
2850 int i, x, y, wi, he, r, g, b, aval;
2851 int r1, g1, b1, r0, g0, b0, fgo, bgo;
2852 uint8_t *data8;
2853 int rv, cnt;
2854
2855 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2856 return;
2857
2858 if (!CHAR_IN_FONT(c, font))
2859 return;
2860
2861 wi = font->fontwidth;
2862 he = font->fontheight;
2863
2864 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2865 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2866
2867 x = ri->ri_xorigin + col * wi;
2868 y = ri->ri_yorigin + row * he;
2869
2870 if (c == 0x20) {
2871 radeonfb_rectfill(dp, x, y, wi, he, bg);
2872 if (attr & 1)
2873 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2874 return;
2875 }
2876 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
2877 if (rv == GC_OK)
2878 return;
2879
2880 data8 = WSFONT_GLYPH(c, font);
2881
2882 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2883
2884 radeonfb_wait_fifo(sc, 5);
2885
2886 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2887 RADEON_GMC_BRUSH_NONE |
2888 RADEON_GMC_SRC_DATATYPE_COLOR |
2889 RADEON_ROP3_S |
2890 RADEON_DP_SRC_SOURCE_HOST_DATA |
2891 RADEON_GMC_CLR_CMP_CNTL_DIS |
2892 RADEON_GMC_WR_MSK_DIS |
2893 gmc);
2894
2895 PUT32(sc, RADEON_DP_CNTL,
2896 RADEON_DST_X_LEFT_TO_RIGHT |
2897 RADEON_DST_Y_TOP_TO_BOTTOM);
2898
2899 PUT32(sc, RADEON_SRC_X_Y, 0);
2900 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
2901 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
2902
2903 /*
2904 * we need the RGB colours here, so get offsets into rasops_cmap
2905 */
2906 fgo = ((attr >> 24) & 0xf) * 3;
2907 bgo = ((attr >> 16) & 0xf) * 3;
2908
2909 r0 = rasops_cmap[bgo];
2910 r1 = rasops_cmap[fgo];
2911 g0 = rasops_cmap[bgo + 1];
2912 g1 = rasops_cmap[fgo + 1];
2913 b0 = rasops_cmap[bgo + 2];
2914 b1 = rasops_cmap[fgo + 2];
2915 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
2916 bg8 = R3G3B2(r0, g0, b0);
2917 fg8 = R3G3B2(r1, g1, b1);
2918
2919 radeonfb_wait_fifo(sc, 20);
2920 cnt = 0;
2921 for (i = 0; i < ri->ri_fontscale; i++) {
2922 aval = *data8;
2923 if (aval == 0) {
2924 pixel = bg8;
2925 } else if (aval == 255) {
2926 pixel = fg8;
2927 } else {
2928 r = aval * r1 + (255 - aval) * r0;
2929 g = aval * g1 + (255 - aval) * g0;
2930 b = aval * b1 + (255 - aval) * b0;
2931 pixel = ((r & 0xe000) >> 8) |
2932 ((g & 0xe000) >> 11) |
2933 ((b & 0xc000) >> 14);
2934 }
2935 latch |= pixel << (8 * (i & 3));
2936 /* write in 32bit chunks */
2937 if ((i & 3) == 3) {
2938 PUT32(sc, RADEON_HOST_DATA0, latch);
2939 /*
2940 * not strictly necessary, old data should be shifted
2941 * out
2942 */
2943 latch = 0;
2944 cnt++;
2945 if (cnt > 16) {
2946 cnt = 0;
2947 radeonfb_wait_fifo(sc, 20);
2948 }
2949 }
2950 data8++;
2951 }
2952 /* if we have pixels left in latch write them out */
2953 if ((i & 3) != 0) {
2954 /*
2955 * radeon is weird - apparently leftover pixels are written
2956 * from the middle, not from the left as everything else
2957 */
2958 PUT32(sc, RADEON_HOST_DATA0, latch);
2959 }
2960
2961 if (rv == GC_ADD) {
2962 glyphcache_add(&dp->rd_gc, c, x, y);
2963 } else
2964 if (attr & 1)
2965 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2966
2967 }
2968
2969 /*
2970 * wrapper for software character drawing
2971 * just sync the engine and call rasops*_putchar()
2972 */
2973
2974 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
2975 static void
2976 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
2977 {
2978 struct rasops_info *ri = cookie;
2979 struct vcons_screen *scr = ri->ri_hw;
2980 struct radeonfb_display *dp = scr->scr_cookie;
2981
2982 radeonfb_engine_idle(dp->rd_softc);
2983 dp->rd_putchar(ri, row, col, c, attr);
2984 }
2985 #endif
2986
2987 static void
2988 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2989 {
2990 struct rasops_info *ri = cookie;
2991 struct vcons_screen *scr = ri->ri_hw;
2992 struct radeonfb_display *dp = scr->scr_cookie;
2993 uint32_t x, y, w, h, fg, bg, ul;
2994
2995 /* XXX: check for full emulation mode? */
2996 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2997 x = ri->ri_xorigin;
2998 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2999 w = ri->ri_emuwidth;
3000 h = ri->ri_font->fontheight * nrows;
3001
3002 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3003 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3004 }
3005 }
3006
3007 static void
3008 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
3009 {
3010 struct rasops_info *ri = cookie;
3011 struct vcons_screen *scr = ri->ri_hw;
3012 struct radeonfb_display *dp = scr->scr_cookie;
3013 uint32_t x, ys, yd, w, h;
3014
3015 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3016 x = ri->ri_xorigin;
3017 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
3018 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
3019 w = ri->ri_emuwidth;
3020 h = ri->ri_font->fontheight * nrows;
3021 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
3022 RADEON_ROP3_S);
3023 }
3024 }
3025
3026 static void
3027 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
3028 {
3029 struct rasops_info *ri = cookie;
3030 struct vcons_screen *scr = ri->ri_hw;
3031 struct radeonfb_display *dp = scr->scr_cookie;
3032 uint32_t xs, xd, y, w, h;
3033
3034 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3035 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
3036 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
3037 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3038 w = ri->ri_font->fontwidth * ncols;
3039 h = ri->ri_font->fontheight;
3040 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
3041 RADEON_ROP3_S);
3042 }
3043 }
3044
3045 static void
3046 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
3047 long fillattr)
3048 {
3049 struct rasops_info *ri = cookie;
3050 struct vcons_screen *scr = ri->ri_hw;
3051 struct radeonfb_display *dp = scr->scr_cookie;
3052 uint32_t x, y, w, h, fg, bg, ul;
3053
3054 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3055 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
3056 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3057 w = ri->ri_font->fontwidth * ncols;
3058 h = ri->ri_font->fontheight;
3059
3060 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3061 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3062 }
3063 }
3064
3065 static void
3066 radeonfb_cursor(void *cookie, int on, int row, int col)
3067 {
3068 struct rasops_info *ri = cookie;
3069 struct vcons_screen *scr = ri->ri_hw;
3070 struct radeonfb_display *dp = scr->scr_cookie;
3071 int x, y, wi, he;
3072
3073 wi = ri->ri_font->fontwidth;
3074 he = ri->ri_font->fontheight;
3075
3076 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3077 x = ri->ri_ccol * wi + ri->ri_xorigin;
3078 y = ri->ri_crow * he + ri->ri_yorigin;
3079 /* first turn off the old cursor */
3080 if (ri->ri_flg & RI_CURSOR) {
3081 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3082 RADEON_ROP3_Dn);
3083 ri->ri_flg &= ~RI_CURSOR;
3084 }
3085 ri->ri_crow = row;
3086 ri->ri_ccol = col;
3087 /* then (possibly) turn on the new one */
3088 if (on) {
3089 x = ri->ri_ccol * wi + ri->ri_xorigin;
3090 y = ri->ri_crow * he + ri->ri_yorigin;
3091 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3092 RADEON_ROP3_Dn);
3093 ri->ri_flg |= RI_CURSOR;
3094 }
3095 } else {
3096 scr->scr_ri.ri_crow = row;
3097 scr->scr_ri.ri_ccol = col;
3098 scr->scr_ri.ri_flg &= ~RI_CURSOR;
3099 }
3100 }
3101
3102 /*
3103 * Underlying acceleration support.
3104 */
3105
3106 static void
3107 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
3108 int width, int height, uint32_t color)
3109 {
3110 struct radeonfb_softc *sc = dp->rd_softc;
3111 uint32_t gmc;
3112
3113 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3114
3115 radeonfb_wait_fifo(sc, 6);
3116
3117 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3118 RADEON_GMC_BRUSH_SOLID_COLOR |
3119 RADEON_GMC_SRC_DATATYPE_COLOR |
3120 RADEON_GMC_CLR_CMP_CNTL_DIS |
3121 RADEON_ROP3_P | gmc);
3122
3123 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
3124 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3125 PUT32(sc, RADEON_DP_CNTL,
3126 RADEON_DST_X_LEFT_TO_RIGHT |
3127 RADEON_DST_Y_TOP_TO_BOTTOM);
3128 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3129 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3130
3131 }
3132
3133 static void
3134 radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
3135 int width, int height, long attr)
3136 {
3137 struct radeonfb_display *dp = cookie;
3138
3139 radeonfb_rectfill(dp, dstx, dsty, width, height,
3140 dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
3141 }
3142
3143 static void
3144 radeonfb_bitblt(void *cookie, int srcx, int srcy,
3145 int dstx, int dsty, int width, int height, int rop)
3146 {
3147 struct radeonfb_display *dp = cookie;
3148 struct radeonfb_softc *sc = dp->rd_softc;
3149 uint32_t gmc;
3150 uint32_t dir;
3151
3152 if (dsty < srcy) {
3153 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
3154 } else {
3155 srcy += height - 1;
3156 dsty += height - 1;
3157 dir = 0;
3158 }
3159 if (dstx < srcx) {
3160 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
3161 } else {
3162 srcx += width - 1;
3163 dstx += width - 1;
3164 }
3165
3166 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3167
3168 radeonfb_wait_fifo(sc, 6);
3169
3170 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3171 RADEON_GMC_BRUSH_SOLID_COLOR |
3172 RADEON_GMC_SRC_DATATYPE_COLOR |
3173 RADEON_GMC_CLR_CMP_CNTL_DIS |
3174 RADEON_DP_SRC_SOURCE_MEMORY |
3175 rop | gmc);
3176
3177 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3178 PUT32(sc, RADEON_DP_CNTL, dir);
3179 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
3180 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3181 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3182 }
3183
3184 static void
3185 radeonfb_engine_idle(struct radeonfb_softc *sc)
3186 {
3187
3188 radeonfb_wait_fifo(sc, 64);
3189 while ((GET32(sc, RADEON_RBBM_STATUS) &
3190 RADEON_RBBM_ACTIVE) != 0);
3191 radeonfb_engine_flush(sc);
3192 }
3193
3194 static inline void
3195 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
3196 {
3197 int i;
3198
3199 for (i = RADEON_TIMEOUT; i; i--) {
3200 if ((GET32(sc, RADEON_RBBM_STATUS) &
3201 RADEON_RBBM_FIFOCNT_MASK) >= n)
3202 return;
3203 }
3204 #ifdef DIAGNOSTIC
3205 if (!i)
3206 printf("%s: timed out waiting for fifo (%x)\n",
3207 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3208 #endif
3209 }
3210
3211 static void
3212 radeonfb_engine_flush(struct radeonfb_softc *sc)
3213 {
3214 int i = 0;
3215
3216 if (IS_R300(sc)) {
3217 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3218 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3219 i++;
3220 }
3221 } else {
3222 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3223 RADEON_RB2D_DC_FLUSH_ALL);
3224 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3225 RADEON_RB2D_DC_BUSY) {
3226 i++;
3227 }
3228 }
3229 #ifdef DIAGNOSTIC
3230 if (i > RADEON_TIMEOUT)
3231 printf("%s: engine flush timed out!\n", XNAME(sc));
3232 #endif
3233 }
3234
3235 static inline void
3236 radeonfb_unclip(struct radeonfb_softc *sc)
3237 {
3238
3239 radeonfb_wait_fifo(sc, 2);
3240 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3241 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3242 }
3243
3244 static void
3245 radeonfb_engine_init(struct radeonfb_display *dp)
3246 {
3247 struct radeonfb_softc *sc = dp->rd_softc;
3248 uint32_t pitch;
3249 volatile uint32_t junk;
3250
3251 /* no 3D */
3252 PUT32(sc, RADEON_RB3D_CNTL, 0);
3253
3254 radeonfb_engine_reset(sc);
3255 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
3256
3257 radeonfb_wait_fifo(sc, 1);
3258 if (!IS_R300(sc))
3259 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3260
3261 radeonfb_wait_fifo(sc, 3);
3262 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
3263 (pitch << 22) | (sc->sc_aperbase >> 10));
3264
3265
3266 PUT32(sc, RADEON_DST_PITCH_OFFSET,
3267 (pitch << 22) | (sc->sc_aperbase >> 10));
3268 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
3269 (pitch << 22) | (sc->sc_aperbase >> 10));
3270
3271 junk = GET32(sc, RADEON_DP_DATATYPE);
3272
3273 /* default scissors -- no clipping */
3274 radeonfb_wait_fifo(sc, 1);
3275 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3276 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3277
3278 radeonfb_wait_fifo(sc, 1);
3279 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3280 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3281 RADEON_GMC_CLR_CMP_CNTL_DIS |
3282 RADEON_GMC_BRUSH_SOLID_COLOR |
3283 RADEON_GMC_SRC_DATATYPE_COLOR);
3284
3285 radeonfb_wait_fifo(sc, 10);
3286 PUT32(sc, RADEON_DST_LINE_START, 0);
3287 PUT32(sc, RADEON_DST_LINE_END, 0);
3288 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3289 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3290 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3291 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3292 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3293 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3294 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3295 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3296 radeonfb_engine_idle(sc);
3297 }
3298
3299 static void
3300 radeonfb_engine_reset(struct radeonfb_softc *sc)
3301 {
3302 uint32_t hpc, rbbm, mclkcntl, clkindex;
3303
3304 radeonfb_engine_flush(sc);
3305
3306 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3307 if (HAS_R300CG(sc))
3308 radeonfb_r300cg_workaround(sc);
3309 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3310
3311 /*
3312 * According to comments in XFree code, resetting the HDP via
3313 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3314 * So we use HOST_PATH_CNTL instead.
3315 */
3316
3317 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3318 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3319 if (IS_R300(sc)) {
3320 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3321 RADEON_SOFT_RESET_CP |
3322 RADEON_SOFT_RESET_HI |
3323 RADEON_SOFT_RESET_E2);
3324 GET32(sc, RADEON_RBBM_SOFT_RESET);
3325 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3326 /*
3327 * XXX: this bit is not defined in any ATI docs I have,
3328 * nor in the XFree code, but XFree does it. Why?
3329 */
3330 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
3331 } else {
3332 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3333 RADEON_SOFT_RESET_CP |
3334 RADEON_SOFT_RESET_SE |
3335 RADEON_SOFT_RESET_RE |
3336 RADEON_SOFT_RESET_PP |
3337 RADEON_SOFT_RESET_E2 |
3338 RADEON_SOFT_RESET_RB);
3339 GET32(sc, RADEON_RBBM_SOFT_RESET);
3340 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3341 ~(RADEON_SOFT_RESET_CP |
3342 RADEON_SOFT_RESET_SE |
3343 RADEON_SOFT_RESET_RE |
3344 RADEON_SOFT_RESET_PP |
3345 RADEON_SOFT_RESET_E2 |
3346 RADEON_SOFT_RESET_RB));
3347 GET32(sc, RADEON_RBBM_SOFT_RESET);
3348 }
3349
3350 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3351 GET32(sc, RADEON_HOST_PATH_CNTL);
3352 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3353
3354 if (IS_R300(sc))
3355 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3356
3357 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3358 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
3359 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3360
3361 if (HAS_R300CG(sc))
3362 radeonfb_r300cg_workaround(sc);
3363 }
3364
3365 static int
3366 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3367 {
3368 int x, y;
3369
3370 x = pos->x;
3371 y = pos->y;
3372
3373 /*
3374 * This doesn't let a cursor move off the screen. I'm not
3375 * sure if this will have negative effects for e.g. Xinerama.
3376 * I'd guess Xinerama handles it by changing the cursor shape,
3377 * but that needs verification.
3378 */
3379 if (x >= dp->rd_virtx)
3380 x = dp->rd_virtx - 1;
3381 if (x < 0)
3382 x = 0;
3383 if (y >= dp->rd_virty)
3384 y = dp->rd_virty - 1;
3385 if (y < 0)
3386 y = 0;
3387
3388 dp->rd_cursor.rc_pos.x = x;
3389 dp->rd_cursor.rc_pos.y = y;
3390
3391 radeonfb_cursor_position(dp);
3392 return 0;
3393 }
3394
3395 static int
3396 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3397 {
3398 unsigned flags;
3399
3400 uint8_t r[2], g[2], b[2];
3401 unsigned index, count;
3402 int i, err;
3403 int pitch, size;
3404 struct radeonfb_cursor nc;
3405
3406 flags = wc->which;
3407
3408 /* copy old values */
3409 nc = dp->rd_cursor;
3410
3411 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3412 index = wc->cmap.index;
3413 count = wc->cmap.count;
3414
3415 if (index >= 2 || (index + count) > 2)
3416 return EINVAL;
3417
3418 err = copyin(wc->cmap.red, &r[index], count);
3419 if (err)
3420 return err;
3421 err = copyin(wc->cmap.green, &g[index], count);
3422 if (err)
3423 return err;
3424 err = copyin(wc->cmap.blue, &b[index], count);
3425 if (err)
3426 return err;
3427
3428 for (i = index; i < index + count; i++) {
3429 nc.rc_cmap[i] =
3430 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3431 }
3432 }
3433
3434 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3435 if ((wc->size.x > RADEON_CURSORMAXX) ||
3436 (wc->size.y > RADEON_CURSORMAXY))
3437 return EINVAL;
3438
3439 /* figure bytes per line */
3440 pitch = (wc->size.x + 7) / 8;
3441 size = pitch * wc->size.y;
3442
3443 /* clear the old cursor and mask */
3444 memset(nc.rc_image, 0, 512);
3445 memset(nc.rc_mask, 0, 512);
3446
3447 nc.rc_size = wc->size;
3448
3449 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3450 return err;
3451
3452 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3453 return err;
3454 }
3455
3456 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3457 nc.rc_hot = wc->hot;
3458 if (nc.rc_hot.x >= nc.rc_size.x)
3459 nc.rc_hot.x = nc.rc_size.x - 1;
3460 if (nc.rc_hot.y >= nc.rc_size.y)
3461 nc.rc_hot.y = nc.rc_size.y - 1;
3462 }
3463
3464 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3465 nc.rc_pos = wc->pos;
3466 if (nc.rc_pos.x >= dp->rd_virtx)
3467 nc.rc_pos.x = dp->rd_virtx - 1;
3468 #if 0
3469 if (nc.rc_pos.x < 0)
3470 nc.rc_pos.x = 0;
3471 #endif
3472 if (nc.rc_pos.y >= dp->rd_virty)
3473 nc.rc_pos.y = dp->rd_virty - 1;
3474 #if 0
3475 if (nc.rc_pos.y < 0)
3476 nc.rc_pos.y = 0;
3477 #endif
3478 }
3479 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3480 nc.rc_visible = wc->enable;
3481 }
3482
3483 dp->rd_cursor = nc;
3484 radeonfb_cursor_update(dp, wc->which);
3485
3486 return 0;
3487 }
3488
3489 /*
3490 * Change the cursor shape. Call this with the cursor locked to avoid
3491 * flickering/tearing.
3492 */
3493 static void
3494 radeonfb_cursor_shape(struct radeonfb_display *dp)
3495 {
3496 uint8_t and[512], xor[512];
3497 int i, j, src, dst /* , pitch */;
3498 const uint8_t *msk = dp->rd_cursor.rc_mask;
3499 const uint8_t *img = dp->rd_cursor.rc_image;
3500
3501 /*
3502 * Radeon cursor data interleaves one line of AND data followed
3503 * by a line of XOR data. (Each line corresponds to a whole hardware
3504 * pitch - i.e. 64 pixels or 8 bytes.)
3505 *
3506 * The cursor is displayed using the following table:
3507 *
3508 * AND XOR Result
3509 * ----------------------
3510 * 0 0 Cursor color 0
3511 * 0 1 Cursor color 1
3512 * 1 0 Transparent
3513 * 1 1 Complement of background
3514 *
3515 * Our masks are therefore different from what we were passed.
3516 * Passed in, I'm assuming the data represents either color 0 or 1,
3517 * and a mask, so the passed in table looks like:
3518 *
3519 * IMG Mask Result
3520 * -----------------------
3521 * 0 0 Transparent
3522 * 0 1 Cursor color 0
3523 * 1 0 Transparent
3524 * 1 1 Cursor color 1
3525 *
3526 * IF mask bit == 1, AND = 0, XOR = color.
3527 * IF mask bit == 0, AND = 1, XOR = 0.
3528 *
3529 * hence: AND = ~(mask); XOR = color & ~(mask);
3530 */
3531
3532 /* pitch = ((dp->rd_cursor.rc_size.x + 7) / 8); */
3533
3534 /* start by assuming all bits are transparent */
3535 memset(and, 0xff, 512);
3536 memset(xor, 0x00, 512);
3537
3538 src = 0;
3539 dst = 0;
3540 for (i = 0; i < 64; i++) {
3541 for (j = 0; j < 64; j += 8) {
3542 if ((i < dp->rd_cursor.rc_size.y) &&
3543 (j < dp->rd_cursor.rc_size.x)) {
3544
3545 /* take care to leave odd bits alone */
3546 and[dst] &= ~(msk[src]);
3547 xor[dst] = img[src] & msk[src];
3548 src++;
3549 }
3550 dst++;
3551 }
3552 }
3553
3554 /* copy the image into place */
3555 for (i = 0; i < 64; i++) {
3556 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3557 &and[i * 8], 8);
3558 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3559 &xor[i * 8], 8);
3560 }
3561 }
3562
3563 static void
3564 radeonfb_cursor_position(struct radeonfb_display *dp)
3565 {
3566 struct radeonfb_softc *sc = dp->rd_softc;
3567 uint32_t offset, hvoff, hvpos; /* registers */
3568 uint32_t coff; /* cursor offset */
3569 int i, x, y, xoff, yoff, crtcoff;
3570
3571 /*
3572 * XXX: this also needs to handle pan/scan
3573 */
3574 for (i = 0; i < dp->rd_ncrtcs; i++) {
3575
3576 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3577
3578 if (rcp->rc_number) {
3579 offset = RADEON_CUR2_OFFSET;
3580 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3581 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3582 crtcoff = RADEON_CRTC2_OFFSET;
3583 } else {
3584 offset = RADEON_CUR_OFFSET;
3585 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3586 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3587 crtcoff = RADEON_CRTC_OFFSET;
3588 }
3589
3590 x = dp->rd_cursor.rc_pos.x;
3591 y = dp->rd_cursor.rc_pos.y;
3592
3593 while (y < rcp->rc_yoffset) {
3594 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3595 }
3596 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3597 rcp->rc_yoffset += RADEON_PANINCREMENT;
3598 }
3599 while (x < rcp->rc_xoffset) {
3600 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3601 }
3602 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3603 rcp->rc_xoffset += RADEON_PANINCREMENT;
3604 }
3605
3606 /* adjust for the cursor's hotspot */
3607 x -= dp->rd_cursor.rc_hot.x;
3608 y -= dp->rd_cursor.rc_hot.y;
3609 xoff = yoff = 0;
3610
3611 if (x >= dp->rd_virtx)
3612 x = dp->rd_virtx - 1;
3613 if (y >= dp->rd_virty)
3614 y = dp->rd_virty - 1;
3615
3616 /* now adjust cursor so it is relative to viewport */
3617 x -= rcp->rc_xoffset;
3618 y -= rcp->rc_yoffset;
3619
3620 /*
3621 * no need to check for fall off, because we should
3622 * never move off the screen entirely!
3623 */
3624 coff = 0;
3625 if (x < 0) {
3626 xoff = -x;
3627 x = 0;
3628 }
3629 if (y < 0) {
3630 yoff = -y;
3631 y = 0;
3632 coff = (yoff * 2) * 8;
3633 }
3634
3635 /* pan the display */
3636 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3637 rcp->rc_xoffset);
3638
3639 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3640 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3641 /* NB: this unlocks the cursor */
3642 PUT32(sc, hvpos, (x << 16) | y);
3643 }
3644 }
3645
3646 static void
3647 radeonfb_cursor_visible(struct radeonfb_display *dp)
3648 {
3649 int i;
3650 uint32_t gencntl, bit;
3651
3652 for (i = 0; i < dp->rd_ncrtcs; i++) {
3653 if (dp->rd_crtcs[i].rc_number) {
3654 gencntl = RADEON_CRTC2_GEN_CNTL;
3655 bit = RADEON_CRTC2_CUR_EN;
3656 } else {
3657 gencntl = RADEON_CRTC_GEN_CNTL;
3658 bit = RADEON_CRTC_CUR_EN;
3659 }
3660
3661 if (dp->rd_cursor.rc_visible)
3662 SET32(dp->rd_softc, gencntl, bit);
3663 else
3664 CLR32(dp->rd_softc, gencntl, bit);
3665 }
3666 }
3667
3668 static void
3669 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3670 {
3671 int i;
3672 uint32_t c0reg, c1reg;
3673 struct radeonfb_softc *sc = dp->rd_softc;
3674
3675 for (i = 0; i < dp->rd_ncrtcs; i++) {
3676 if (dp->rd_crtcs[i].rc_number) {
3677 c0reg = RADEON_CUR2_CLR0;
3678 c1reg = RADEON_CUR2_CLR1;
3679 } else {
3680 c0reg = RADEON_CUR_CLR0;
3681 c1reg = RADEON_CUR_CLR1;
3682 }
3683
3684 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3685 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3686 }
3687 }
3688
3689 static void
3690 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3691 {
3692 struct radeonfb_softc *sc;
3693 int i;
3694
3695 sc = dp->rd_softc;
3696 for (i = 0; i < dp->rd_ncrtcs; i++) {
3697 if (dp->rd_crtcs[i].rc_number) {
3698 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3699 } else {
3700 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3701 }
3702 }
3703
3704 if (which & WSDISPLAY_CURSOR_DOCMAP)
3705 radeonfb_cursor_cmap(dp);
3706
3707 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3708 radeonfb_cursor_shape(dp);
3709
3710 if (which & WSDISPLAY_CURSOR_DOCUR)
3711 radeonfb_cursor_visible(dp);
3712
3713 /* this one is unconditional, because it updates other stuff */
3714 radeonfb_cursor_position(dp);
3715 }
3716
3717 static struct videomode *
3718 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3719 {
3720 int r1, r2;
3721
3722 /* otherwise pick the higher refresh rate */
3723 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3724 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3725
3726 return (r1 < r2 ? m2 : m1);
3727 }
3728
3729 static const struct videomode *
3730 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3731 int x, int y)
3732 {
3733 struct edid_info *ep = &rp->rp_edid;
3734 struct videomode *vmp = NULL;
3735 int i;
3736
3737 if (!rp->rp_edid_valid) {
3738 /* fallback to safe mode */
3739 return radeonfb_modelookup(sc->sc_defaultmode);
3740 }
3741
3742 /* always choose the preferred mode first! */
3743 if (ep->edid_preferred_mode) {
3744
3745 /* XXX: add auto-stretching support for native mode */
3746
3747 /* this may want panning to occur, btw */
3748 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3749 (ep->edid_preferred_mode->vdisplay <= y))
3750 return ep->edid_preferred_mode;
3751 }
3752
3753 for (i = 0; i < ep->edid_nmodes; i++) {
3754 /*
3755 * We elect to pick a resolution that is too large for
3756 * the monitor than one that is too small. This means
3757 * that we will prefer to pan rather than to try to
3758 * center a smaller display on a larger screen. In
3759 * practice, this shouldn't matter because if a
3760 * monitor can support a larger resolution, it can
3761 * probably also support the smaller. A specific
3762 * exception is fixed format panels, but hopefully
3763 * they are properly dealt with by the "autostretch"
3764 * logic above.
3765 */
3766 if ((ep->edid_modes[i].hdisplay > x) ||
3767 (ep->edid_modes[i].vdisplay > y)) {
3768 continue;
3769 }
3770
3771 /*
3772 * at this point, the display mode is no larger than
3773 * what we've requested.
3774 */
3775 if (vmp == NULL)
3776 vmp = &ep->edid_modes[i];
3777
3778 /* eliminate smaller modes */
3779 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3780 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3781 continue;
3782
3783 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3784 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3785 vmp = &ep->edid_modes[i];
3786 continue;
3787 }
3788
3789 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3790 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3791
3792 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3793 }
3794
3795 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3796 }
3797
3798 static int
3799 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3800 {
3801 int i;
3802
3803 for (i = 0; i < nlist; i++) {
3804 if ((x == list[i].hdisplay) &&
3805 (y == list[i].vdisplay)) {
3806 return 1;
3807 }
3808 }
3809 return 0;
3810 }
3811
3812 static void
3813 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3814 int pan)
3815 {
3816 struct radeonfb_port *rp;
3817 struct edid_info *ep;
3818 int i, j;
3819
3820 *x = 0;
3821 *y = 0;
3822
3823 if (pan) {
3824 for (i = 0; i < dp->rd_ncrtcs; i++) {
3825 rp = dp->rd_crtcs[i].rc_port;
3826 ep = &rp->rp_edid;
3827 if (!rp->rp_edid_valid) {
3828 /* monitor not present */
3829 continue;
3830 }
3831
3832 /*
3833 * For now we are ignoring "conflict" that
3834 * could occur when mixing some modes like
3835 * 1280x1024 and 1400x800. It isn't clear
3836 * which is better, so the first one wins.
3837 */
3838 for (j = 0; j < ep->edid_nmodes; j++) {
3839 /*
3840 * ignore resolutions that are too big for
3841 * the radeon
3842 */
3843 if (ep->edid_modes[j].hdisplay >
3844 dp->rd_softc->sc_maxx)
3845 continue;
3846 if (ep->edid_modes[j].vdisplay >
3847 dp->rd_softc->sc_maxy)
3848 continue;
3849
3850 /*
3851 * pick largest resolution, the
3852 * smaller monitor will pan
3853 */
3854 if ((ep->edid_modes[j].hdisplay >= *x) &&
3855 (ep->edid_modes[j].vdisplay >= *y)) {
3856 *x = ep->edid_modes[j].hdisplay;
3857 *y = ep->edid_modes[j].vdisplay;
3858 }
3859 }
3860 }
3861
3862 } else {
3863 struct videomode modes[64];
3864 int nmodes = 0;
3865 int valid = 0;
3866
3867 for (i = 0; i < dp->rd_ncrtcs; i++) {
3868 /*
3869 * pick the largest resolution in common.
3870 */
3871 rp = dp->rd_crtcs[i].rc_port;
3872 ep = &rp->rp_edid;
3873
3874 if (!rp->rp_edid_valid)
3875 continue;
3876
3877 if (!valid) {
3878 /*
3879 * Pick the preferred mode for this port
3880 * if available.
3881 */
3882 if (ep->edid_preferred_mode) {
3883 struct videomode *vmp =
3884 ep->edid_preferred_mode;
3885
3886 if ((vmp->hdisplay <=
3887 dp->rd_softc->sc_maxx) &&
3888 (vmp->vdisplay <=
3889 dp->rd_softc->sc_maxy))
3890 modes[nmodes++] = *vmp;
3891 } else {
3892
3893 /* initialize starting list */
3894 for (j = 0; j < ep->edid_nmodes; j++) {
3895 /*
3896 * ignore resolutions that are
3897 * too big for the radeon
3898 */
3899 if (ep->edid_modes[j].hdisplay >
3900 dp->rd_softc->sc_maxx)
3901 continue;
3902 if (ep->edid_modes[j].vdisplay >
3903 dp->rd_softc->sc_maxy)
3904 continue;
3905
3906 modes[nmodes] =
3907 ep->edid_modes[j];
3908 nmodes++;
3909 }
3910 }
3911 valid = 1;
3912 } else {
3913 /* merge into preexisting list */
3914 for (j = 0; j < nmodes; j++) {
3915 if (!radeonfb_hasres(ep->edid_modes,
3916 ep->edid_nmodes,
3917 modes[j].hdisplay,
3918 modes[j].vdisplay)) {
3919 modes[j] = modes[nmodes];
3920 j--;
3921 nmodes--;
3922 }
3923 }
3924 }
3925 }
3926
3927 /* now we have to pick from the merged list */
3928 for (i = 0; i < nmodes; i++) {
3929 if ((modes[i].hdisplay >= *x) &&
3930 (modes[i].vdisplay >= *y)) {
3931 *x = modes[i].hdisplay;
3932 *y = modes[i].vdisplay;
3933 }
3934 }
3935 }
3936
3937 if ((*x == 0) || (*y == 0)) {
3938 /* fallback to safe mode */
3939 *x = 640;
3940 *y = 480;
3941 }
3942 }
3943
3944 /*
3945 * backlight levels are linear on:
3946 * - RV200, RV250, RV280, RV350
3947 * - but NOT on PowerBook4,3 6,3 6,5
3948 * according to Linux' radeonfb
3949 */
3950
3951 /* Get the current backlight level for the display. */
3952
3953 static int
3954 radeonfb_get_backlight(struct radeonfb_display *dp)
3955 {
3956 int s;
3957 uint32_t level;
3958
3959 s = spltty();
3960
3961 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
3962 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
3963 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
3964
3965 /*
3966 * On some chips, we should negate the backlight level.
3967 * XXX Find out on which chips.
3968 */
3969 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
3970 level = RADEONFB_BACKLIGHT_MAX - level;
3971
3972 splx(s);
3973
3974 return level;
3975 }
3976
3977 /* Set the backlight to the given level for the display. */
3978 static void
3979 radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
3980 {
3981 if (dp->rd_bl_on == on)
3982 return;
3983 dp->rd_bl_on = on;
3984 radeonfb_set_backlight(dp, dp->rd_bl_level);
3985 }
3986
3987 static int
3988 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
3989 {
3990 struct radeonfb_softc *sc;
3991 int rlevel, s;
3992 uint32_t lvds;
3993
3994 s = spltty();
3995
3996 dp->rd_bl_level = level;
3997 if (dp->rd_bl_on == 0)
3998 level = 0;
3999
4000 if (level < 0)
4001 level = 0;
4002 else if (level >= RADEONFB_BACKLIGHT_MAX)
4003 level = RADEONFB_BACKLIGHT_MAX;
4004
4005 sc = dp->rd_softc;
4006
4007 /* On some chips, we should negate the backlight level. */
4008 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
4009 rlevel = RADEONFB_BACKLIGHT_MAX - level;
4010 } else
4011 rlevel = level;
4012
4013 callout_stop(&dp->rd_bl_lvds_co);
4014 radeonfb_engine_idle(sc);
4015
4016 /*
4017 * Turn off the display if the backlight is set to 0, since the
4018 * display is useless without backlight anyway.
4019 */
4020 if (level == 0)
4021 radeonfb_blank(dp, 1);
4022 else if (radeonfb_get_backlight(dp) == 0)
4023 radeonfb_blank(dp, 0);
4024
4025 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
4026 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
4027 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
4028 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
4029 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
4030 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4031 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4032 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4033 lvds |= RADEON_LVDS_ON;
4034 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
4035 } else {
4036 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4037 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4038 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4039 }
4040
4041 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
4042 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
4043 /* XXX What is the correct delay? */
4044 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
4045
4046 splx(s);
4047
4048 return 0;
4049 }
4050
4051 /*
4052 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
4053 * Set the delayed bits in the register, and clear the stored delayed
4054 * value.
4055 */
4056
4057 static void radeonfb_lvds_callout(void *arg)
4058 {
4059 struct radeonfb_display *dp = arg;
4060 int s;
4061
4062 s = splhigh();
4063
4064 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
4065 dp->rd_bl_lvds_val);
4066 dp->rd_bl_lvds_val = 0;
4067
4068 splx(s);
4069 }
4070
4071 static void
4072 radeonfb_brightness_up(device_t dev)
4073 {
4074 struct radeonfb_softc *sc = device_private(dev);
4075 struct radeonfb_display *dp = &sc->sc_displays[0];
4076 int level;
4077
4078 /* we assume the main display is the first one - need a better way */
4079 if (sc->sc_ndisplays < 1) return;
4080 /* make sure pushing the hotkeys always has an effect */
4081 dp->rd_bl_on = 1;
4082 level = dp->rd_bl_level;
4083 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
4084 radeonfb_set_backlight(dp, level);
4085 }
4086
4087 static void
4088 radeonfb_brightness_down(device_t dev)
4089 {
4090 struct radeonfb_softc *sc = device_private(dev);
4091 struct radeonfb_display *dp = &sc->sc_displays[0];
4092 int level;
4093
4094 /* we assume the main display is the first one - need a better way */
4095 if (sc->sc_ndisplays < 1) return;
4096 /* make sure pushing the hotkeys always has an effect */
4097 dp->rd_bl_on = 1;
4098 level = dp->rd_bl_level;
4099 level = max(0, level - 5);
4100 radeonfb_set_backlight(dp, level);
4101 }
4102