radeonfb.c revision 1.99.2.3 1 /* $NetBSD: radeonfb.c,v 1.99.2.3 2020/04/13 08:04:45 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 1.99.2.3 2020/04/13 08:04:45 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 *, int);
124 /* flags for radeonfb_calc_dividers */
125 #define NO_ODD_FBDIV 1
126
127 static int radeonfb_getconnectors(struct radeonfb_softc *);
128 static const struct videomode *radeonfb_modelookup(const char *);
129 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
130 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
131 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
132 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int, int);
133 static void radeonfb_modeswitch(struct radeonfb_display *);
134 static void radeonfb_setcrtc(struct radeonfb_display *, int);
135 static void radeonfb_init_misc(struct radeonfb_softc *);
136 static void radeonfb_set_fbloc(struct radeonfb_softc *);
137 static void radeonfb_init_palette(struct radeonfb_display *);
138 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
139
140 static int radeonfb_isblank(struct radeonfb_display *);
141 static void radeonfb_blank(struct radeonfb_display *, int);
142 static int radeonfb_set_cursor(struct radeonfb_display *,
143 struct wsdisplay_cursor *);
144 static int radeonfb_set_curpos(struct radeonfb_display *,
145 struct wsdisplay_curpos *);
146 static void radeonfb_putpal(struct radeonfb_display *, int, int, int, int);
147 static int radeonfb_putcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
148 static int radeonfb_getcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
149
150 /* acceleration support */
151 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
152 int width, int height, uint32_t color);
153 static void radeonfb_rectfill_a(void *, int, int, int, int, long);
154 static void radeonfb_bitblt(void *, int srcx, int srcy,
155 int dstx, int dsty, int width, int height, int rop);
156
157 /* hw cursor support */
158 static void radeonfb_cursor_cmap(struct radeonfb_display *);
159 static void radeonfb_cursor_shape(struct radeonfb_display *);
160 static void radeonfb_cursor_position(struct radeonfb_display *);
161 static void radeonfb_cursor_visible(struct radeonfb_display *);
162 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
163
164 static inline void radeonfb_wait_fifo(struct radeonfb_softc *, int);
165 static void radeonfb_engine_idle(struct radeonfb_softc *);
166 static void radeonfb_engine_flush(struct radeonfb_softc *);
167 static void radeonfb_engine_reset(struct radeonfb_softc *);
168 static void radeonfb_engine_init(struct radeonfb_display *);
169 static inline void radeonfb_unclip(struct radeonfb_softc *) __unused;
170
171 static void radeonfb_eraserows(void *, int, int, long);
172 static void radeonfb_erasecols(void *, int, int, int, long);
173 static void radeonfb_copyrows(void *, int, int, int);
174 static void radeonfb_copycols(void *, int, int, int, int);
175 static void radeonfb_cursor(void *, int, int, int);
176 static void radeonfb_putchar(void *, int, int, unsigned, long);
177 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
178 static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
179 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
180 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
181 #endif
182
183 static int radeonfb_set_backlight(struct radeonfb_display *, int);
184 static int radeonfb_get_backlight(struct radeonfb_display *);
185 static void radeonfb_switch_backlight(struct radeonfb_display *, int);
186 static void radeonfb_lvds_callout(void *);
187
188 static void radeonfb_brightness_up(device_t);
189 static void radeonfb_brightness_down(device_t);
190
191 static struct videomode *radeonfb_best_refresh(struct videomode *,
192 struct videomode *);
193 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
194 uint16_t *, int);
195 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
196 struct radeonfb_port *, int, int);
197
198 static int radeonfb_drm_print(void *, const char *);
199
200 #ifdef RADEONFB_DEBUG
201 int radeon_debug = 1;
202 #define DPRINTF(x) \
203 if (radeon_debug) printf x
204 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
205 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
206 #else
207 #define DPRINTF(x)
208 #define PRINTREG(r)
209 #define PRINTPLL(r)
210 #endif
211
212 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
213
214 #ifndef RADEON_DEFAULT_MODE
215 /* any reasonably modern display should handle this */
216 #define RADEON_DEFAULT_MODE "1024x768x60"
217 #endif
218
219 extern const u_char rasops_cmap[768];
220
221 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
222
223 static struct {
224 int size; /* minimum memory size (MB) */
225 int maxx; /* maximum x dimension */
226 int maxy; /* maximum y dimension */
227 int maxbpp; /* maximum bpp */
228 int maxdisp; /* maximum logical display count */
229 } radeonfb_limits[] = {
230 { 32, 2048, 1536, 32, 2 },
231 { 16, 1600, 1200, 32, 2 },
232 { 8, 1600, 1200, 32, 1 },
233 { 0, 0, 0, 0, 0 },
234 };
235
236 static struct wsscreen_descr radeonfb_stdscreen = {
237 "fb", /* name */
238 0, 0, /* ncols, nrows */
239 NULL, /* textops */
240 8, 16, /* fontwidth, fontheight */
241 WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE | WSSCREEN_RESIZE, /* capabilities */
242 0, /* modecookie */
243 };
244
245 struct wsdisplay_accessops radeonfb_accessops = {
246 radeonfb_ioctl,
247 radeonfb_mmap,
248 NULL, /* vcons_alloc_screen */
249 NULL, /* vcons_free_screen */
250 NULL, /* vcons_show_screen */
251 NULL, /* load_font */
252 NULL, /* pollc */
253 NULL, /* scroll */
254 };
255
256 static struct {
257 uint16_t devid;
258 uint16_t family;
259 uint16_t flags;
260 } radeonfb_devices[] =
261 {
262 /* R100 family */
263 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
264 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
265 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
266 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
267
268 /* RV100 family */
269 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
270 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
271 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
272 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
273
274 /* RS100 family */
275 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
276 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
277
278 /* RS200/RS250 family */
279 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
280 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
281 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
282 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
283
284 /* R200 family */
285 /* add more R200 products? , 5148 */
286 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
287 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
288 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
289 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
290 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
291
292 /* RV200 family */
293 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
294 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
295 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
296 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
297
298 /* RV250 family */
299 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
300 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
301 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
302 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
303 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
304
305 /* RS300 family */
306 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
307 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
308 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
309 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
310
311 /* RV280 family */
312 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
313 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
314 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
315 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
316 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
317 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
318 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
319
320 /* R300 family */
321 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
322 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
323 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
324 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
325 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
326 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
327 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
328 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
329
330 /* RV350/RV360 family */
331 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
332 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
333 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
334 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
335 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
336 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
337 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
338 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
339 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
340 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
341 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
342 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
343
344 /* R350/R360 family */
345 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
346 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
347 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
348 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
349 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
350 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
351 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
352 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
353
354 /* RV380/RV370 family */
355 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
356 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
357 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
358 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
359 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
360 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
361 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
362 { PCI_PRODUCT_ATI_RADEON_RV370_5B63, RADEON_RV380, 0 },
363 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
364 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
365
366 #if notyet
367 /* R420/R423 family */
368 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
369 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
372 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
373 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
374 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
375 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
376 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
377 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
378 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
379 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
380 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
381 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
382 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
383 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
384 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
385
386 /* R5xx family */
387 { 0x7240, RADEON_R420, 0 },
388 #endif
389 { 0, 0, 0 }
390 };
391
392 static struct {
393 int divider;
394 int mask;
395 } radeonfb_dividers[] = {
396 { 16, 5 },
397 { 12, 7 },
398 { 8, 3 },
399 { 6, 6 },
400 { 4, 2 },
401 { 3, 4 },
402 { 2, 1 },
403 { 1, 0 },
404 { 0, 0 }
405 };
406
407 /*
408 * This table taken from X11.
409 */
410 static const struct {
411 int family;
412 struct radeon_tmds_pll plls[4];
413 } radeonfb_tmds_pll[] = {
414 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
415 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
416 { RADEON_RS100, {{0, 0}}},
417 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
418 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
419 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
420 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
421 { RADEON_RS300, {{0, 0}}},
422 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}, {-1, 0x40111}}},
423 { RADEON_R300, {{-1, 0xb01cb}}},
424 { RADEON_R350, {{-1, 0xb01cb}}},
425 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
426 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
427 { RADEON_R420, {{-1, 0xb01cb}}},
428 };
429
430 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
431
432
433 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
434 radeonfb_match, radeonfb_attach, NULL, NULL);
435
436 static int
437 radeonfb_match(device_t parent, cfdata_t match, void *aux)
438 {
439 const struct pci_attach_args *pa = aux;
440 int i;
441
442 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
443 return 0;
444
445 for (i = 0; radeonfb_devices[i].devid; i++) {
446 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
447 return 100; /* high to defeat VGA/VESA */
448 }
449
450 return 0;
451 }
452
453 static void
454 radeonfb_attach(device_t parent, device_t dev, void *aux)
455 {
456 struct radeonfb_softc *sc = device_private(dev);
457 const struct pci_attach_args *pa = aux;
458 const char *mptr;
459 bus_size_t bsz;
460 pcireg_t screg;
461 int i, j, fg, bg, ul, flags;
462 uint32_t v;
463
464 sc->sc_dev = dev;
465 sc->sc_id = pa->pa_id;
466 for (i = 0; radeonfb_devices[i].devid; i++) {
467 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
468 break;
469 }
470
471 pci_aprint_devinfo(pa, NULL);
472
473 DPRINTF(("%s", prop_dictionary_externalize(device_properties(dev))));
474
475 KASSERT(radeonfb_devices[i].devid != 0);
476 sc->sc_pt = pa->pa_tag;
477 sc->sc_iot = pa->pa_iot;
478 sc->sc_pc = pa->pa_pc;
479 sc->sc_family = radeonfb_devices[i].family;
480 sc->sc_flags = radeonfb_devices[i].flags;
481 sc->sc_bios = NULL;
482 sc->sc_biossz = 0;
483
484 /* enable memory and IO access */
485 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
486 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
487 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
488
489 /*
490 * Some flags are general to entire chip families, and rather
491 * than clutter up the table with them, we go ahead and set
492 * them here.
493 */
494 switch (sc->sc_family) {
495 case RADEON_RS100:
496 case RADEON_RS200:
497 sc->sc_flags |= RFB_IGP | RFB_RV100;
498 break;
499
500 case RADEON_RV100:
501 case RADEON_RV200:
502 case RADEON_RV250:
503 case RADEON_RV280:
504 sc->sc_flags |= RFB_RV100;
505 break;
506
507 case RADEON_RS300:
508 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
509 break;
510
511 case RADEON_R300:
512 case RADEON_RV350:
513 case RADEON_R350:
514 case RADEON_RV380:
515 case RADEON_R420:
516 /* newer chips */
517 sc->sc_flags |= RFB_R300;
518 break;
519
520 case RADEON_R100:
521 sc->sc_flags |= RFB_NCRTC2;
522 break;
523 }
524
525 if ((sc->sc_family == RADEON_RV200) ||
526 (sc->sc_family == RADEON_RV250) ||
527 (sc->sc_family == RADEON_RV280) ||
528 (sc->sc_family == RADEON_RV350)) {
529 bool inverted = 0;
530 /* backlight level is linear */
531 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
532 prop_dictionary_get_bool(device_properties(sc->sc_dev),
533 "backlight_level_reverted", &inverted);
534 if (inverted) {
535 DPRINTF(("nope, it's inverted\n"));
536 sc->sc_flags |= RFB_INV_BLIGHT;
537 }
538 } else
539 sc->sc_flags |= RFB_INV_BLIGHT;
540
541 /*
542 * XXX: to support true multihead, this must change.
543 */
544 sc->sc_ndisplays = 1;
545
546 /* XXX: */
547 if (!HAS_CRTC2(sc)) {
548 sc->sc_ndisplays = 1;
549 }
550
551 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
552 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
553 &sc->sc_regsz) != 0) {
554 aprint_error("%s: unable to map registers!\n", XNAME(sc));
555 goto error;
556 }
557
558 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
559 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
560 {
561 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
562 goto error;
563 }
564 sc->sc_romt = sc->sc_memt;
565
566 sc->sc_mapped = TRUE;
567
568 /* scratch register test... */
569 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
570 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
571 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
572 goto error;
573 }
574
575 PRINTREG(RADEON_CRTC_EXT_CNTL);
576 PRINTREG(RADEON_CRTC_GEN_CNTL);
577 PRINTREG(RADEON_CRTC2_GEN_CNTL);
578 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
579 PRINTREG(RADEON_DAC_CNTL2);
580 PRINTREG(RADEON_BIOS_4_SCRATCH);
581 PRINTREG(RADEON_FP_GEN_CNTL);
582 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
583 PRINTREG(RADEON_FP2_GEN_CNTL);
584 PRINTREG(RADEON_TMDS_CNTL);
585 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
586 PRINTREG(RADEON_TMDS_PLL_CNTL);
587 PRINTREG(RADEON_LVDS_GEN_CNTL);
588 PRINTREG(RADEON_DISP_HW_DEBUG);
589 PRINTREG(RADEON_PIXCLKS_CNTL);
590 PRINTREG(RADEON_CRTC_H_SYNC_STRT_WID);
591 PRINTREG(RADEON_FP_H_SYNC_STRT_WID);
592 PRINTREG(RADEON_CRTC2_H_SYNC_STRT_WID);
593 PRINTREG(RADEON_FP_H2_SYNC_STRT_WID);
594
595 /*
596 * XXX
597 * This was if (IS_RV100()), which is set for all pre-R3xx chips.
598 * I suspect this only makes sense on Sun XVR-100 with firmware that doesn't
599 * support DVI, so for now let's restrict it to only actual RV100
600 */
601 if (sc->sc_family == RADEON_RV100)
602 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
603
604 /* XXX
605 * according to xf86-video-radeon R3xx has this bit backwards
606 */
607 if (IS_R300(sc)) {
608 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
609 0,
610 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
611 } else {
612 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
613 RADEON_TMDS_TRANSMITTER_PLLEN,
614 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
615 }
616
617 radeonfb_i2c_init(sc);
618
619 radeonfb_loadbios(sc, pa);
620
621 #ifdef RADEONFB_BIOS_INIT
622 if (radeonfb_bios_init(sc)) {
623 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
624 }
625 #endif
626
627 if (radeonfb_getclocks(sc)) {
628 aprint_error("%s: Unable to get reference clocks from BIOS\n",
629 XNAME(sc));
630 goto error;
631 }
632
633 if (radeonfb_gettmds(sc)) {
634 aprint_error("%s: Unable to identify TMDS PLL settings\n",
635 XNAME(sc));
636 goto error;
637 }
638
639 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
640 "minpll = %d, maxpll = %d\n", XNAME(sc),
641 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
642 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
643
644 radeonfb_getconnectors(sc);
645
646 radeonfb_set_fbloc(sc);
647
648 /* 64 MB should be enough -- more just wastes map entries */
649 if (sc->sc_memsz > (64 << 20))
650 sc->sc_memsz = (64 << 20);
651
652 for (i = 0; radeonfb_limits[i].size; i++) {
653 if (sc->sc_memsz >= radeonfb_limits[i].size) {
654 sc->sc_maxx = radeonfb_limits[i].maxx;
655 sc->sc_maxy = radeonfb_limits[i].maxy;
656 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
657 /* framebuffer offset, start at a 4K page */
658 sc->sc_fboffset = sc->sc_memsz /
659 radeonfb_limits[i].maxdisp;
660 /*
661 * we use the fbsize to figure out where we can store
662 * things like cursor data.
663 */
664 sc->sc_fbsize =
665 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
666 RADEON_STRIDEALIGN) * sc->sc_maxy,
667 4096);
668 break;
669 }
670 }
671
672
673 radeonfb_init_misc(sc);
674
675 /* program the DAC wirings */
676 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
677 switch (sc->sc_ports[i].rp_dac_type) {
678 case RADEON_DAC_PRIMARY:
679 PATCH32(sc, RADEON_DAC_CNTL2,
680 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
681 ~RADEON_DAC2_DAC_CLK_SEL);
682 break;
683 case RADEON_DAC_TVDAC:
684 /* we always use the TVDAC to drive a secondary analog
685 * CRT for now. if we ever support TV-out this will
686 * have to change.
687 */
688 SET32(sc, RADEON_DAC_CNTL2,
689 RADEON_DAC2_DAC2_CLK_SEL);
690 PATCH32(sc, RADEON_DISP_HW_DEBUG,
691 i ? 0 : RADEON_CRT2_DISP1_SEL,
692 ~RADEON_CRT2_DISP1_SEL);
693 /* we're using CRTC2 for the 2nd port */
694 if (sc->sc_ports[i].rp_number == 1) {
695 PATCH32(sc, RADEON_DISP_OUTPUT_CNTL,
696 RADEON_DISP_DAC2_SOURCE_CRTC2,
697 ~RADEON_DISP_DAC2_SOURCE_MASK);
698 }
699
700 break;
701 }
702 DPRINTF(("%s: port %d tmds type %d\n", __func__, i,
703 sc->sc_ports[i].rp_tmds_type));
704 switch (sc->sc_ports[i].rp_tmds_type) {
705 case RADEON_TMDS_INT:
706 /* point FP0 at the CRTC this port uses */
707 DPRINTF(("%s: plugging internal TMDS into CRTC %d\n",
708 __func__, sc->sc_ports[i].rp_number));
709 if (IS_R300(sc)) {
710 PATCH32(sc, RADEON_FP_GEN_CNTL,
711 sc->sc_ports[i].rp_number ?
712 R200_FP_SOURCE_SEL_CRTC2 :
713 R200_FP_SOURCE_SEL_CRTC1,
714 ~R200_FP_SOURCE_SEL_MASK);
715 } else {
716 PATCH32(sc, RADEON_FP_GEN_CNTL,
717 sc->sc_ports[i].rp_number ?
718 RADEON_FP_SEL_CRTC2 :
719 RADEON_FP_SEL_CRTC1,
720 ~RADEON_FP_SEL_MASK);
721 }
722 break;
723 case RADEON_TMDS_EXT:
724 /* point FP2 at the CRTC this port uses */
725 DPRINTF(("%s: plugging external TMDS into CRTC %d\n",
726 __func__, sc->sc_ports[i].rp_number));
727 if (IS_R300(sc)) {
728 PATCH32(sc, RADEON_FP2_GEN_CNTL,
729 sc->sc_ports[i].rp_number ?
730 R200_FP2_SOURCE_SEL_CRTC2 :
731 R200_FP2_SOURCE_SEL_CRTC1,
732 ~R200_FP2_SOURCE_SEL_CRTC2);
733 } else {
734 PATCH32(sc, RADEON_FP2_GEN_CNTL,
735 sc->sc_ports[i].rp_number ?
736 RADEON_FP2_SRC_SEL_CRTC2 :
737 RADEON_FP2_SRC_SEL_CRTC1,
738 ~RADEON_FP2_SRC_SEL_CRTC2);
739 }
740 break;
741 }
742 }
743 PRINTREG(RADEON_DAC_CNTL2);
744 PRINTREG(RADEON_DISP_HW_DEBUG);
745
746 PRINTREG(RADEON_DAC_CNTL);
747 /* other DAC programming */
748 v = GET32(sc, RADEON_DAC_CNTL);
749 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
750 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
751 PUT32(sc, RADEON_DAC_CNTL, v);
752 PRINTREG(RADEON_DAC_CNTL);
753
754 /* XXX: this may need more investigation */
755 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
756 PRINTREG(RADEON_TV_DAC_CNTL);
757
758 /* enable TMDS */
759 SET32(sc, RADEON_FP_GEN_CNTL,
760 RADEON_FP_TMDS_EN |
761 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
762 RADEON_FP_CRTC_DONT_SHADOW_HEND);
763 /*
764 * XXX
765 * no idea why this is necessary - if I do not clear this bit on my
766 * iBook G4 the screen remains black, even though it's already clear.
767 * It needs to be set on my Sun XVR-100 for the DVI port to work
768 * TODO:
769 * see if this is still necessary now that CRTCs, DACs and outputs are
770 * getting wired up in a halfway sane way
771 */
772 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
773 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
774 } else {
775 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
776 }
777
778 /*
779 * we use bus_space_map instead of pci_mapreg, because we don't
780 * need the full aperature space. no point in wasting virtual
781 * address space we don't intend to use, right?
782 */
783 if ((sc->sc_memsz < (4096 * 1024)) ||
784 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
785 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
786 (bsz < sc->sc_memsz)) {
787 sc->sc_memsz = 0;
788 aprint_error("%s: Bad frame buffer configuration\n",
789 XNAME(sc));
790 goto error;
791 }
792
793 sc->sc_memt = pa->pa_memt;
794 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
795 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
796 sc->sc_memsz = 0;
797 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
798 goto error;
799 }
800
801 aprint_normal("%s: %d MB aperture at 0x%08x, "
802 "%d KB registers at 0x%08x\n", XNAME(sc),
803 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
804 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
805
806 /* setup default video mode from devprop (allows PROM override) */
807 sc->sc_defaultmode = radeonfb_default_mode;
808 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
809 "videomode", &mptr)) {
810
811 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
812 sc->sc_defaultmode = sc->sc_modebuf;
813 }
814
815 /* initialize some basic display parameters */
816 for (i = 0; i < sc->sc_ndisplays; i++) {
817 struct radeonfb_display *dp = &sc->sc_displays[i];
818 struct rasops_info *ri;
819 long defattr;
820 struct wsemuldisplaydev_attach_args aa;
821
822 /*
823 * Figure out how many "displays" (desktops) we are going to
824 * support. If more than one, then each CRTC gets its own
825 * programming.
826 *
827 * XXX: this code needs to change to support mergedfb.
828 * XXX: would be nice to allow this to be overridden
829 */
830 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
831 DPRINTF(("dual crtcs!\n"));
832 dp->rd_ncrtcs = 2;
833 dp->rd_crtcs[0].rc_port =
834 &sc->sc_ports[0];
835 dp->rd_crtcs[0].rc_number = sc->sc_ports[0].rp_number;
836 dp->rd_crtcs[1].rc_port =
837 &sc->sc_ports[1];
838 dp->rd_crtcs[1].rc_number = sc->sc_ports[1].rp_number;
839 } else {
840 dp->rd_ncrtcs = 1;
841 dp->rd_crtcs[0].rc_port =
842 &sc->sc_ports[i];
843 dp->rd_crtcs[0].rc_number = sc->sc_ports[i].rp_number;
844 }
845
846 dp->rd_softc = sc;
847 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
848 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
849
850 /* for text mode, we pick a resolution that won't
851 * require panning */
852 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
853
854 aprint_normal("%s: display %d: "
855 "initial virtual resolution %dx%d at %d bpp\n",
856 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
857 aprint_normal_dev(sc->sc_dev, "using %d MB per display\n",
858 sc->sc_fboffset >> 20);
859 /* now select the *video mode* that we will use */
860 for (j = 0; j < dp->rd_ncrtcs; j++) {
861 const struct videomode *vmp;
862 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
863 dp->rd_virtx, dp->rd_virty);
864
865 /*
866 * virtual resolution should be at least as high as
867 * physical
868 */
869 if (dp->rd_virtx < vmp->hdisplay ||
870 dp->rd_virty < vmp->vdisplay) {
871 dp->rd_virtx = vmp->hdisplay;
872 dp->rd_virty = vmp->vdisplay;
873 }
874
875 dp->rd_crtcs[j].rc_videomode = *vmp;
876 printf("%s: port %d: physical %dx%d %dHz\n",
877 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
878 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
879 vmp->htotal), vmp->vtotal));
880 }
881
882 /* N.B.: radeon wants 64-byte aligned stride */
883 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
884 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
885 DPRINTF(("stride: %d %d\n", dp->rd_stride, dp->rd_virtx));
886
887 dp->rd_offset = sc->sc_fboffset * i;
888 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
889 sc->sc_memh) + dp->rd_offset;
890 dp->rd_curoff = sc->sc_fboffset - 4096; /* 4KB cursor space */
891 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
892
893 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
894
895 switch (dp->rd_bpp) {
896 case 8:
897 dp->rd_format = 2;
898 break;
899 case 32:
900 dp->rd_format = 6;
901 break;
902 default:
903 aprint_error("%s: bad depth %d\n", XNAME(sc),
904 dp->rd_bpp);
905 goto error;
906 }
907
908 DPRINTF(("init engine\n"));
909 /* XXX: this seems suspicious - per display engine
910 initialization? */
911 radeonfb_engine_init(dp);
912
913 /* copy the template into place */
914 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
915 dp->rd_wsscreens = dp->rd_wsscreens_storage;
916
917 /* and make up the list */
918 dp->rd_wsscreenlist.nscreens = 1;
919 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
920
921 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
922 &radeonfb_accessops);
923
924 dp->rd_vd.init_screen = radeonfb_init_screen;
925
926 #ifdef RADEONFB_DEBUG
927 dp->rd_virty -= 200;
928 #endif
929
930 dp->rd_console = 0;
931 prop_dictionary_get_bool(device_properties(sc->sc_dev),
932 "is_console", &dp->rd_console);
933
934 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
935
936
937 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
938 dp->rd_console, &defattr);
939
940 ri = &dp->rd_vscreen.scr_ri;
941
942 /* clear the screen */
943 rasops_unpack_attr(defattr, &fg, &bg, &ul);
944 dp->rd_bg = ri->ri_devcmap[bg & 0xf];
945 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
946 dp->rd_bg);
947
948 dp->rd_wsscreens->textops = &ri->ri_ops;
949 dp->rd_wsscreens->capabilities = ri->ri_caps;
950 dp->rd_wsscreens->nrows = ri->ri_rows;
951 dp->rd_wsscreens->ncols = ri->ri_cols;
952
953 #ifdef SPLASHSCREEN
954 dp->rd_splash.si_depth = ri->ri_depth;
955 dp->rd_splash.si_bits = ri->ri_bits;
956 dp->rd_splash.si_hwbits = ri->ri_hwbits;
957 dp->rd_splash.si_width = ri->ri_width;
958 dp->rd_splash.si_height = ri->ri_height;
959 dp->rd_splash.si_stride = ri->ri_stride;
960 dp->rd_splash.si_fillrect = NULL;
961 #endif
962 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
963 dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
964 dp->rd_gc.gc_rop = RADEON_ROP3_S;
965 dp->rd_gc.gc_blitcookie = dp;
966 /*
967 * use memory between framebuffer and cursor area as glyph
968 * cache, cap at 4096 lines
969 */
970 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
971 uimin(4096,
972 (dp->rd_curoff / dp->rd_stride) - (dp->rd_virty + 4)),
973 dp->rd_virtx,
974 ri->ri_font->fontwidth,
975 ri->ri_font->fontheight,
976 defattr);
977 dp->rd_vd.show_screen_cookie = &dp->rd_gc;
978 dp->rd_vd.show_screen_cb = glyphcache_adapt;
979
980 if (dp->rd_console) {
981
982 radeonfb_modeswitch(dp);
983 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
984 defattr);
985 #ifdef SPLASHSCREEN
986 if (splash_render(&dp->rd_splash,
987 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
988 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
989 else
990 #endif
991 vcons_replay_msgbuf(&dp->rd_vscreen);
992 } else {
993
994 /*
995 * since we're not the console we can postpone
996 * the rest until someone actually allocates a
997 * screen for us. but we do clear the screen
998 * at least.
999 */
1000 memset(ri->ri_bits, 0, 1024);
1001
1002 radeonfb_modeswitch(dp);
1003 #ifdef SPLASHSCREEN
1004 if (splash_render(&dp->rd_splash,
1005 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
1006 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1007 #endif
1008 }
1009
1010 aa.console = dp->rd_console;
1011 aa.scrdata = &dp->rd_wsscreenlist;
1012 aa.accessops = &radeonfb_accessops;
1013 aa.accesscookie = &dp->rd_vd;
1014
1015 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
1016
1017 radeonfb_blank(dp, 0);
1018
1019 /* Initialise delayed lvds operations for backlight. */
1020 callout_init(&dp->rd_bl_lvds_co, 0);
1021 callout_setfunc(&dp->rd_bl_lvds_co,
1022 radeonfb_lvds_callout, dp);
1023 dp->rd_bl_on = 1;
1024 dp->rd_bl_level = radeonfb_get_backlight(dp);
1025 radeonfb_set_backlight(dp, dp->rd_bl_level);
1026 }
1027
1028 for (i = 0; i < RADEON_NDISPLAYS; i++)
1029 radeonfb_init_palette(&sc->sc_displays[i]);
1030
1031 if (HAS_CRTC2(sc)) {
1032 CLR32(sc, RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_DISP_DIS);
1033 }
1034
1035 CLR32(sc, RADEON_CRTC_EXT_CNTL, RADEON_CRTC_DISPLAY_DIS);
1036 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_FPON);
1037 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
1038 radeonfb_brightness_up, TRUE);
1039 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
1040 radeonfb_brightness_down, TRUE);
1041
1042 /*
1043 * if we attach a DRM we need to unmap registers in
1044 * WSDISPLAYIO_MODE_MAPPED, since this keeps us from doing things like
1045 * screen blanking we only do it if needed
1046 */
1047 sc->sc_needs_unmap =
1048 (config_found_ia(dev, "drm", aux, radeonfb_drm_print) != 0);
1049 DPRINTF(("needs_unmap: %d\n", sc->sc_needs_unmap));
1050
1051 PRINTREG(RADEON_CRTC_EXT_CNTL);
1052 PRINTREG(RADEON_CRTC_GEN_CNTL);
1053 PRINTREG(RADEON_CRTC2_GEN_CNTL);
1054 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
1055 PRINTREG(RADEON_DAC_CNTL2);
1056 PRINTREG(RADEON_FP_GEN_CNTL);
1057 PRINTREG(RADEON_FP2_GEN_CNTL);
1058 PRINTREG(RADEON_TMDS_CNTL);
1059 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
1060 PRINTREG(RADEON_TMDS_PLL_CNTL);
1061 PRINTREG(RADEON_PIXCLKS_CNTL);
1062
1063 return;
1064
1065 error:
1066 if (sc->sc_biossz)
1067 free(sc->sc_bios, M_DEVBUF);
1068
1069 if (sc->sc_regsz)
1070 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1071
1072 if (sc->sc_memsz)
1073 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1074 }
1075
1076 static void
1077 radeonfb_map(struct radeonfb_softc *sc)
1078 {
1079 if (!sc->sc_mapped) {
1080 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
1081 &sc->sc_regh) != 0) {
1082 aprint_error_dev(sc->sc_dev,
1083 "unable to map registers!\n");
1084 return;
1085 }
1086 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
1087 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
1088 sc->sc_memsz = 0;
1089 aprint_error_dev(sc->sc_dev,
1090 "Unable to map frame buffer\n");
1091 return;
1092 }
1093 sc->sc_mapped = TRUE;
1094 }
1095 }
1096
1097 static void
1098 radeonfb_unmap(struct radeonfb_softc *sc)
1099 {
1100 if (!sc->sc_needs_unmap)
1101 return;
1102
1103 if (sc->sc_mapped) {
1104 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1105 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1106 sc->sc_mapped = FALSE;
1107 }
1108 }
1109
1110 static int
1111 radeonfb_drm_print(void *aux, const char *pnp)
1112 {
1113 if (pnp)
1114 aprint_normal("drm at %s", pnp);
1115 return (UNCONF);
1116 }
1117
1118 int
1119 radeonfb_ioctl(void *v, void *vs,
1120 unsigned long cmd, void *d, int flag, struct lwp *l)
1121 {
1122 struct vcons_data *vd;
1123 struct radeonfb_display *dp;
1124 struct radeonfb_softc *sc;
1125 struct wsdisplay_param *param;
1126 struct vcons_screen *ms;
1127
1128 vd = (struct vcons_data *)v;
1129 ms = vd->active;
1130 dp = (struct radeonfb_display *)vd->cookie;
1131 sc = dp->rd_softc;
1132
1133 /* can't do these without registers being mapped */
1134 if (!sc->sc_mapped) {
1135 switch (cmd) {
1136 case WSDISPLAYIO_GVIDEO:
1137 case WSDISPLAYIO_SVIDEO:
1138 case WSDISPLAYIO_GETCMAP:
1139 case WSDISPLAYIO_PUTCMAP:
1140 case WSDISPLAYIO_SCURSOR:
1141 case WSDISPLAYIO_GCURPOS:
1142 case WSDISPLAYIO_SCURPOS:
1143 case WSDISPLAYIO_SETPARAM:
1144 return EINVAL;
1145 }
1146 }
1147
1148 switch (cmd) {
1149 case WSDISPLAYIO_GTYPE:
1150 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
1151 return 0;
1152
1153 case WSDISPLAYIO_GINFO:
1154 if (vd->active != NULL) {
1155 struct wsdisplay_fbinfo *fb;
1156 fb = (struct wsdisplay_fbinfo *)d;
1157 fb->width = dp->rd_virtx;
1158 fb->height = dp->rd_virty;
1159 fb->depth = dp->rd_bpp;
1160 fb->cmsize = 256;
1161 return 0;
1162 } else
1163 return ENODEV;
1164 case WSDISPLAYIO_GVIDEO:
1165 if (radeonfb_isblank(dp))
1166 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1167 else
1168 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1169 return 0;
1170
1171 case WSDISPLAYIO_SVIDEO:
1172 radeonfb_blank(dp,
1173 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1174 radeonfb_switch_backlight(dp,
1175 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_ON));
1176 pmf_event_inject(NULL,
1177 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_ON) ?
1178 PMFE_DISPLAY_ON : PMFE_DISPLAY_OFF);
1179 return 0;
1180
1181 case WSDISPLAYIO_GETCMAP:
1182 if (dp->rd_bpp == 8)
1183 return radeonfb_getcmap(dp,
1184 (struct wsdisplay_cmap *)d);
1185 return EINVAL;
1186
1187 case WSDISPLAYIO_PUTCMAP:
1188 if (dp->rd_bpp == 8)
1189 return radeonfb_putcmap(dp,
1190 (struct wsdisplay_cmap *)d);
1191 return EINVAL;
1192
1193 case WSDISPLAYIO_LINEBYTES:
1194 *(unsigned *)d = dp->rd_stride;
1195 return 0;
1196
1197 case WSDISPLAYIO_SMODE:
1198 if (*(int *)d != dp->rd_wsmode) {
1199 dp->rd_wsmode = *(int *)d;
1200 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) ||
1201 (dp->rd_wsmode == WSDISPLAYIO_MODE_DUMBFB))
1202 radeonfb_map(sc);
1203
1204 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1205 (dp->rd_vd.active)) {
1206 radeonfb_engine_init(dp);
1207 glyphcache_wipe(&dp->rd_gc);
1208 radeonfb_init_palette(dp);
1209 radeonfb_modeswitch(dp);
1210 radeonfb_rectfill(dp, 0, 0, dp->rd_virtx,
1211 dp->rd_virty, dp->rd_bg);
1212 vcons_redraw_screen(dp->rd_vd.active);
1213 }
1214 if (dp->rd_wsmode == WSDISPLAYIO_MODE_MAPPED)
1215 radeonfb_unmap(sc);
1216 }
1217 return 0;
1218
1219 case WSDISPLAYIO_GCURMAX:
1220 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1221 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1222 return 0;
1223
1224 case WSDISPLAYIO_SCURSOR:
1225 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1226
1227 case WSDISPLAYIO_GCURSOR:
1228 return EPASSTHROUGH;
1229
1230 case WSDISPLAYIO_GCURPOS:
1231 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1232 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1233 return 0;
1234
1235 case WSDISPLAYIO_SCURPOS:
1236 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1237
1238 case WSDISPLAYIO_SSPLASH:
1239 #if defined(SPLASHSCREEN)
1240 if (*(int *)d == 1) {
1241 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1242 splash_render(&dp->rd_splash,
1243 SPLASH_F_CENTER|SPLASH_F_FILL);
1244 } else
1245 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1246 return 0;
1247 #else
1248 return ENODEV;
1249 #endif
1250 case WSDISPLAYIO_GETPARAM:
1251 param = (struct wsdisplay_param *)d;
1252 switch (param->param) {
1253 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1254 param->min = 0;
1255 param->max = 255;
1256 param->curval = dp->rd_bl_level;
1257 return 0;
1258 case WSDISPLAYIO_PARAM_BACKLIGHT:
1259 param->min = 0;
1260 param->max = RADEONFB_BACKLIGHT_MAX;
1261 param->curval = dp->rd_bl_on;
1262 return 0;
1263 }
1264 return EPASSTHROUGH;
1265
1266 case WSDISPLAYIO_SETPARAM:
1267 param = (struct wsdisplay_param *)d;
1268 switch (param->param) {
1269 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1270 radeonfb_set_backlight(dp, param->curval);
1271 return 0;
1272 case WSDISPLAYIO_PARAM_BACKLIGHT:
1273 radeonfb_switch_backlight(dp, param->curval);
1274 return 0;
1275 }
1276 return EPASSTHROUGH;
1277
1278 /* PCI config read/write passthrough. */
1279 case PCI_IOC_CFGREAD:
1280 case PCI_IOC_CFGWRITE:
1281 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1282
1283 case WSDISPLAYIO_GET_BUSID:
1284 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1285 sc->sc_pt, d);
1286
1287 case WSDISPLAYIO_GET_EDID: {
1288 struct wsdisplayio_edid_info *ei = d;
1289 return wsdisplayio_get_edid(sc->sc_dev, ei);
1290 }
1291
1292 case WSDISPLAYIO_GET_FBINFO: {
1293 struct wsdisplayio_fbinfo *fbi = d;
1294 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
1295 }
1296
1297 default:
1298 return EPASSTHROUGH;
1299 }
1300 }
1301
1302 paddr_t
1303 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1304 {
1305 struct vcons_data *vd;
1306 struct radeonfb_display *dp;
1307 struct radeonfb_softc *sc;
1308 paddr_t pa;
1309
1310 vd = (struct vcons_data *)v;
1311 dp = (struct radeonfb_display *)vd->cookie;
1312 sc = dp->rd_softc;
1313
1314 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1315 pa = bus_space_mmap(sc->sc_memt,
1316 sc->sc_memaddr + dp->rd_offset + offset, 0,
1317 prot, BUS_SPACE_MAP_LINEAR);
1318 return pa;
1319 }
1320
1321 /*
1322 * restrict all other mappings to processes with superuser privileges
1323 * or the kernel itself
1324 */
1325 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1326 NULL, NULL, NULL, NULL) != 0) {
1327 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1328 return -1;
1329 }
1330
1331 if ((offset >= sc->sc_regaddr) &&
1332 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1333 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1334 BUS_SPACE_MAP_LINEAR);
1335 }
1336
1337 if ((offset >= sc->sc_memaddr) &&
1338 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1339 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1340 BUS_SPACE_MAP_LINEAR);
1341 }
1342
1343 if ((offset >= sc->sc_romaddr) &&
1344 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1345 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1346 BUS_SPACE_MAP_LINEAR);
1347 }
1348
1349 #ifdef PCI_MAGIC_IO_RANGE
1350 /* allow mapping of IO space */
1351 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1352 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1353 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1354 0, prot, 0);
1355 return pa;
1356 }
1357 #endif /* PCI_MAGIC_IO_RANGE */
1358
1359 return -1;
1360 }
1361
1362 static void
1363 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1364 {
1365 bus_space_tag_t romt;
1366 bus_space_handle_t romh, biosh;
1367 bus_size_t romsz;
1368 bus_addr_t ptr;
1369 uint32_t busctl, crtcg, crtc2g = 0, viphctl, seprom, extc;
1370 int bios_voodoo = 0;
1371
1372 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1373 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1374 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1375 return;
1376 }
1377
1378 pci_find_rom(pa, romt, romh, romsz, PCI_ROM_CODE_TYPE_X86, &biosh,
1379 &sc->sc_biossz);
1380 if (sc->sc_biossz != 0) goto foundit;
1381
1382 aprint_verbose("trying to read disabled BIOS...\n");
1383
1384 bios_voodoo = 1;
1385 seprom = radeonfb_get32(sc, RADEON_SEPROM_CNTL1);
1386 radeonfb_put32(sc, RADEON_SEPROM_CNTL1,
1387 (seprom & ~RADEON_SCK_PRESCALE_MASK) |
1388 (0xc << RADEON_SCK_PRESCALE_SHIFT));
1389 viphctl = radeonfb_get32(sc, RADEON_VIPH_CONTROL);
1390 radeonfb_put32(sc, RADEON_VIPH_CONTROL, viphctl & ~RADEON_VIPH_EN);
1391 busctl = radeonfb_get32(sc, RADEON_BUS_CNTL);
1392 radeonfb_put32(sc, RADEON_BUS_CNTL, busctl & ~RADEON_BUS_BIOS_DIS_ROM);
1393 crtcg = radeonfb_get32(sc, RADEON_CRTC_GEN_CNTL);
1394 radeonfb_put32(sc, RADEON_CRTC_GEN_CNTL, ((crtcg & ~RADEON_CRTC_EN) |
1395 (RADEON_CRTC_DISP_REQ_EN_B |
1396 RADEON_CRTC_EXT_DISP_EN)));
1397 if (HAS_CRTC2(sc)) {
1398 crtc2g = radeonfb_get32(sc, RADEON_CRTC2_GEN_CNTL);
1399 radeonfb_put32(sc, RADEON_CRTC2_GEN_CNTL,
1400 (crtc2g & ~RADEON_CRTC2_EN) |
1401 RADEON_CRTC2_DISP_REQ_EN_B);
1402 }
1403 extc = radeonfb_get32(sc, RADEON_CRTC_EXT_CNTL);
1404 radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, (extc & ~RADEON_CRTC_CRT_ON) |
1405 (RADEON_CRTC_SYNC_TRISTAT |
1406 RADEON_CRTC_DISPLAY_DIS));
1407 pci_find_rom(pa, romt, romh, romsz, PCI_ROM_CODE_TYPE_X86, &biosh,
1408 &sc->sc_biossz);
1409
1410 foundit:
1411 if (sc->sc_biossz > 0) {
1412 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1413 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios,
1414 sc->sc_biossz);
1415 }
1416
1417 if (bios_voodoo != 0) {
1418 radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, extc);
1419 if (HAS_CRTC2(sc)) {
1420 radeonfb_put32(sc, RADEON_CRTC2_GEN_CNTL, crtc2g);
1421 }
1422 radeonfb_put32(sc, RADEON_CRTC_GEN_CNTL, crtcg);
1423 radeonfb_put32(sc, RADEON_BUS_CNTL, busctl);
1424 radeonfb_put32(sc, RADEON_VIPH_CONTROL, viphctl);
1425 radeonfb_put32(sc, RADEON_SEPROM_CNTL1, seprom);
1426 }
1427
1428 /* unmap the PCI expansion rom */
1429 bus_space_unmap(romt, romh, romsz);
1430
1431 /* turn off rom decoder now */
1432 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1433 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1434 ~PCI_MAPREG_ROM_ENABLE);
1435
1436 if (sc->sc_biossz > 0) {
1437 ptr = GETBIOS16(sc, 0x48);
1438 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1439 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1440 sc->sc_flags |= RFB_ATOM;
1441 }
1442
1443 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1444 (unsigned)sc->sc_biossz >> 10,
1445 IS_ATOM(sc) ? "ATOM" : "Legacy");
1446 }
1447 }
1448
1449
1450 uint32_t
1451 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1452 {
1453
1454 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1455 }
1456
1457 void
1458 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1459 {
1460
1461 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1462 }
1463
1464 void
1465 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1466 {
1467
1468 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1469 }
1470
1471 void
1472 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1473 uint32_t andmask, uint32_t ormask)
1474 {
1475 int s;
1476 uint32_t val;
1477
1478 s = splhigh();
1479 val = radeonfb_get32(sc, reg);
1480 val = (val & andmask) | ormask;
1481 radeonfb_put32(sc, reg, val);
1482 splx(s);
1483 }
1484
1485 uint32_t
1486 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1487 {
1488 int s;
1489 uint32_t val;
1490
1491 s = splhigh();
1492 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1493 val = radeonfb_get32(sc, RADEON_MM_DATA);
1494 splx(s);
1495
1496 return (val);
1497 }
1498
1499 void
1500 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1501 {
1502 int s;
1503
1504 s = splhigh();
1505 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1506 radeonfb_put32(sc, RADEON_MM_DATA, val);
1507 splx(s);
1508 }
1509
1510 void
1511 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1512 uint32_t andmask, uint32_t ormask)
1513 {
1514 int s;
1515 uint32_t val;
1516
1517 s = splhigh();
1518 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1519 val = radeonfb_get32(sc, RADEON_MM_DATA);
1520 val = (val & andmask) | ormask;
1521 radeonfb_put32(sc, RADEON_MM_DATA, val);
1522 splx(s);
1523 }
1524
1525 uint32_t
1526 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1527 {
1528 int s;
1529 uint32_t val;
1530
1531 s = splhigh();
1532 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f));
1533 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1534 if (HAS_R300CG(sc))
1535 radeonfb_r300cg_workaround(sc);
1536 splx(s);
1537
1538 return (val);
1539 }
1540
1541 void
1542 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1543 {
1544 int s;
1545
1546 s = splhigh();
1547 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1548 RADEON_PLL_WR_EN);
1549 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1550 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1551 splx(s);
1552 }
1553
1554 void
1555 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1556 uint32_t andmask, uint32_t ormask)
1557 {
1558 int s;
1559 uint32_t val;
1560
1561 s = splhigh();
1562 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1563 RADEON_PLL_WR_EN);
1564 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1565 val = (val & andmask) | ormask;
1566 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1567 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1568 splx(s);
1569 }
1570
1571 int
1572 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1573 {
1574 uint32_t saved;
1575
1576 saved = GET32(sc, reg);
1577 PUT32(sc, reg, v);
1578 if (GET32(sc, reg) != v) {
1579 return -1;
1580 }
1581 PUT32(sc, reg, saved);
1582 return 0;
1583 }
1584
1585 uintmax_t
1586 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1587 uintmax_t defval)
1588 {
1589 prop_number_t pn;
1590 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1591 if (pn == NULL) {
1592 return defval;
1593 }
1594 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1595 return (prop_number_integer_value(pn));
1596 }
1597
1598 int
1599 radeonfb_getclocks(struct radeonfb_softc *sc)
1600 {
1601 bus_addr_t ptr;
1602 int refclk = 0;
1603 int refdiv = 0;
1604 int minpll = 0;
1605 int maxpll = 0;
1606
1607 /* load initial property values if port/board provides them */
1608 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1609 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1610 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1611 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1612
1613 PRINTPLL(RADEON_PPLL_REF_DIV);
1614 PRINTPLL(RADEON_PPLL_DIV_0);
1615 PRINTPLL(RADEON_PPLL_DIV_1);
1616 PRINTPLL(RADEON_PPLL_DIV_2);
1617 PRINTPLL(RADEON_PPLL_DIV_3);
1618 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
1619 PRINTPLL(RADEON_P2PLL_REF_DIV);
1620 PRINTPLL(RADEON_P2PLL_DIV_0);
1621
1622 if (refclk && refdiv && minpll && maxpll)
1623 goto dontprobe;
1624
1625 if (!sc->sc_biossz) {
1626 /* no BIOS */
1627 aprint_verbose("%s: No video BIOS, using default clocks\n",
1628 XNAME(sc));
1629 if (IS_IGP(sc))
1630 refclk = refclk ? refclk : 1432;
1631 else
1632 refclk = refclk ? refclk : 2700;
1633 refdiv = refdiv ? refdiv : 12;
1634 minpll = minpll ? minpll : 12500;
1635 /* XXX
1636 * Need to check if the firmware or something programmed a
1637 * higher value than this, and if so, bump it.
1638 * The RV280 in my iBook is unhappy if the PLL input is less
1639 * than 360MHz
1640 */
1641 maxpll = maxpll ? maxpll : 40000/*35000*/;
1642 } else if (IS_ATOM(sc)) {
1643 /* ATOM BIOS */
1644 ptr = GETBIOS16(sc, 0x48);
1645 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1646 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1647 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1648 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1649 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1650 /*
1651 * ATOM BIOS doesn't supply a reference divider, so we
1652 * have to probe for it.
1653 */
1654 if (refdiv < 2)
1655 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1656 RADEON_PPLL_REF_DIV_MASK;
1657 /*
1658 * if probe is zero, just assume one that should work
1659 * for most parts
1660 */
1661 if (refdiv < 2)
1662 refdiv = 12;
1663
1664 } else {
1665 uint32_t tmp = GETPLL(sc, RADEON_PPLL_REF_DIV);
1666 /* Legacy BIOS */
1667 ptr = GETBIOS16(sc, 0x48);
1668 ptr = GETBIOS16(sc, ptr + 0x30);
1669 if (IS_R300(sc)) {
1670 refdiv = refdiv ? refdiv :
1671 (tmp & R300_PPLL_REF_DIV_ACC_MASK) >>
1672 R300_PPLL_REF_DIV_ACC_SHIFT;
1673 } else {
1674 refdiv = refdiv ? refdiv :
1675 tmp & RADEON_PPLL_REF_DIV_MASK;
1676 }
1677 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1678 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1679 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1680 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1681 }
1682
1683
1684 dontprobe:
1685 sc->sc_refclk = refclk * 10;
1686 sc->sc_refdiv = refdiv;
1687 sc->sc_minpll = minpll * 10;
1688 sc->sc_maxpll = maxpll * 10;
1689 return 0;
1690 }
1691
1692 int
1693 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1694 uint32_t *postdivbit, uint32_t *feedbackdiv, int flags)
1695 {
1696 int i;
1697 uint32_t outfreq;
1698 int div;
1699
1700 DPRINTF(("dot clock: %u\n", dotclock));
1701 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1702
1703 if ((flags & NO_ODD_FBDIV) && ((div & 1) != 0))
1704 continue;
1705
1706 /*
1707 * XXX
1708 * the rv350 in my last generation 14" iBook G4 produces
1709 * garbage with dividers > 4. No idea if this is a hardware
1710 * limitation or an error in the divider table.
1711 */
1712 if ((sc->sc_family == RADEON_RV350) && (div > 4))
1713 continue;
1714
1715 outfreq = div * dotclock;
1716 if ((outfreq >= sc->sc_minpll) &&
1717 (outfreq <= sc->sc_maxpll)) {
1718 DPRINTF(("outfreq: %u\n", outfreq));
1719 *postdivbit =
1720 ((uint32_t)radeonfb_dividers[i].mask << 16);
1721 DPRINTF(("post divider: %d (mask %x)\n", div,
1722 *postdivbit));
1723 break;
1724 }
1725 }
1726
1727 if (div == 0)
1728 return 1;
1729
1730 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1731 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1732 return 0;
1733 }
1734
1735 #if 0
1736 #ifdef RADEONFB_DEBUG
1737 static void
1738 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1739 {
1740 char asc[17];
1741 unsigned ptr = (unsigned)buffer;
1742 char *start = (char *)(ptr & ~0xf);
1743 char *end = (char *)(ptr + size);
1744
1745 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1746
1747 if (pfx == NULL) {
1748 pfx = "";
1749 }
1750
1751 while (start < end) {
1752 unsigned offset = (unsigned)start & 0xf;
1753 if (offset == 0) {
1754 printf("%s%x: ", pfx, (unsigned)start);
1755 }
1756 if (((unsigned)start < ptr) ||
1757 ((unsigned)start >= (ptr + size))) {
1758 printf(" ");
1759 asc[offset] = ' ';
1760 } else {
1761 printf("%02x", *(unsigned char *)start);
1762 if ((*start >= ' ') && (*start <= '~')) {
1763 asc[offset] = *start;
1764 } else {
1765 asc[offset] = '.';
1766 }
1767 }
1768 asc[offset + 1] = 0;
1769 if (offset % 2) {
1770 printf(" ");
1771 }
1772 if (offset == 15) {
1773 printf(" %s\n", asc);
1774 }
1775 start++;
1776 }
1777 }
1778 #endif
1779 #endif
1780
1781 int
1782 radeonfb_getconnectors(struct radeonfb_softc *sc)
1783 {
1784 int i;
1785 int found = 0;
1786
1787 for (i = 0; i < 2; i++) {
1788 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1789 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1790 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1791 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1792 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1793 }
1794
1795 /*
1796 * This logic is borrowed from Xorg's radeon driver.
1797 */
1798 if (!sc->sc_biossz)
1799 goto nobios;
1800
1801 if (IS_ATOM(sc)) {
1802 /* not done yet */
1803 } else {
1804 uint16_t ptr;
1805 int port = 0;
1806
1807 ptr = GETBIOS16(sc, 0x48);
1808 ptr = GETBIOS16(sc, ptr + 0x50);
1809 for (i = 1; i < 4; i++) {
1810 uint16_t entry;
1811 uint8_t conn, ddc, dac, tmds;
1812
1813 /*
1814 * Parse the connector table. From reading the code,
1815 * it appears to made up of 16-bit entries for each
1816 * connector. The 16-bits are defined as:
1817 *
1818 * bits 12-15 - connector type (0 == end of table)
1819 * bits 8-11 - DDC type
1820 * bits 5-7 - ???
1821 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1822 * bits 1-3 - ???
1823 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1824 */
1825 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1826 break;
1827 entry = GETBIOS16(sc, ptr + i * 2);
1828
1829 conn = (entry >> 12) & 0xf;
1830 ddc = (entry >> 8) & 0xf;
1831 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1832 RADEON_DAC_PRIMARY;
1833 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1834 RADEON_TMDS_INT;
1835
1836 if (conn == RADEON_CONN_NONE)
1837 continue; /* no connector */
1838
1839 /*
1840 * XXX
1841 * both Mac Mini variants have both outputs wired to
1842 * the same connector and share the DDC lines
1843 */
1844 if ((found > 0) &&
1845 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1846 /* duplicate entry for same connector */
1847 continue;
1848 }
1849
1850 /* internal DDC_DVI port gets priority */
1851 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1852 port = 0;
1853 else
1854 port = 1;
1855
1856 sc->sc_ports[port].rp_ddc_type =
1857 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1858 sc->sc_ports[port].rp_dac_type = dac;
1859 sc->sc_ports[port].rp_conn_type =
1860 uimin(conn, RADEON_CONN_UNSUPPORTED) ;
1861
1862 sc->sc_ports[port].rp_tmds_type = tmds;
1863
1864 if ((conn != RADEON_CONN_DVI_I) &&
1865 (conn != RADEON_CONN_DVI_D) &&
1866 (tmds == RADEON_TMDS_INT))
1867 sc->sc_ports[port].rp_tmds_type =
1868 RADEON_TMDS_UNKNOWN;
1869 sc->sc_ports[port].rp_number = i - 1;
1870
1871 found += (port + 1);
1872 }
1873 }
1874
1875 nobios:
1876 if (!found) {
1877 bool dvi_ext = FALSE, dvi_int = FALSE;
1878 DPRINTF(("No connector info in BIOS!\n"));
1879 prop_dictionary_get_bool(device_properties(sc->sc_dev),
1880 "dvi-internal", &dvi_int);
1881 prop_dictionary_get_bool(device_properties(sc->sc_dev),
1882 "dvi-external", &dvi_ext);
1883 if (dvi_ext) {
1884 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1885 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_CRT2;
1886 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1887 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
1888 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_EXT; /* output to fp2 */
1889 sc->sc_ports[0].rp_number = 0;
1890 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1891 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_NONE;
1892 sc->sc_ports[1].rp_dac_type = RADEON_DAC_UNKNOWN;
1893 sc->sc_ports[1].rp_conn_type = RADEON_CONN_NONE;
1894 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1895 sc->sc_ports[1].rp_number = 1;
1896 } else if (dvi_int) {
1897 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1898 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_CRT2;
1899 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1900 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
1901 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1902 sc->sc_ports[0].rp_number = 0;
1903 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1904 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_NONE;
1905 sc->sc_ports[1].rp_dac_type = RADEON_DAC_UNKNOWN;
1906 sc->sc_ports[1].rp_conn_type = RADEON_CONN_NONE;
1907 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1908 sc->sc_ports[1].rp_number = 1;
1909 } else if IS_MOBILITY(sc) {
1910 /* default, port 0 = internal TMDS, port 1 = CRT */
1911 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1912 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1913 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1914 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1915 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1916 sc->sc_ports[0].rp_number = 0;
1917
1918 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1919 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1920 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1921 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1922 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1923 sc->sc_ports[1].rp_number = 1;
1924 } else {
1925 /* default, port 0 = DVI, port 1 = CRT */
1926 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1927 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1928 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1929 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1930 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1931 sc->sc_ports[0].rp_number = 0;
1932
1933 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1934 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1935 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1936 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1937 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1938 sc->sc_ports[1].rp_number = 1;
1939 }
1940 }
1941
1942 /*
1943 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1944 * these chips should use TVDAC for the VGA port.
1945 */
1946 if (HAS_SDAC(sc)) {
1947 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1948 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1949 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1950 } else {
1951 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1952 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1953 }
1954 } else if (!HAS_CRTC2(sc)) {
1955 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1956 }
1957
1958 for (i = 0; i < 2; i++) {
1959 char edid[128];
1960 uint8_t ddc;
1961 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1962 prop_data_t edid_data;
1963
1964 DPRINTF(("Port #%d:\n", i));
1965 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1966 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1967 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1968 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1969 DPRINTF((" crtc = %d\n", sc->sc_ports[i].rp_number));
1970
1971 sc->sc_ports[i].rp_edid_valid = 0;
1972 /* first look for static EDID data */
1973 if ((edid_data = prop_dictionary_get(device_properties(
1974 sc->sc_dev), "EDID")) != NULL) {
1975
1976 aprint_debug_dev(sc->sc_dev, "using static EDID\n");
1977 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1978 if (edid_parse(edid, eip) == 0) {
1979
1980 sc->sc_ports[i].rp_edid_valid = 1;
1981 #ifdef RADEONFB_DEBUG
1982 edid_print(eip);
1983 #endif
1984 }
1985 }
1986 /* if we didn't find any we'll try to talk to the monitor */
1987 if (sc->sc_ports[i].rp_edid_valid != 1) {
1988
1989 ddc = sc->sc_ports[i].rp_ddc_type;
1990 if (ddc != RADEON_DDC_NONE) {
1991 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1992 == 0) && (edid_parse(edid, eip) == 0)) {
1993
1994 sc->sc_ports[i].rp_edid_valid = 1;
1995 #ifdef RADEONFB_DEBUG
1996 edid_print(eip);
1997 #endif
1998 }
1999 }
2000 }
2001 }
2002
2003 return found;
2004 }
2005
2006 int
2007 radeonfb_gettmds(struct radeonfb_softc *sc)
2008 {
2009 int i;
2010
2011 if (!sc->sc_biossz) {
2012 goto nobios;
2013 }
2014
2015 if (IS_ATOM(sc)) {
2016 /* XXX: not done yet */
2017 } else {
2018 uint16_t ptr;
2019 int n;
2020
2021 ptr = GETBIOS16(sc, 0x48);
2022 ptr = GETBIOS16(sc, ptr + 0x34);
2023 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
2024 if (GETBIOS8(sc, ptr) == 3) {
2025 /* revision three table */
2026 n = GETBIOS8(sc, ptr + 5) + 1;
2027 n = uimin(n, 4);
2028
2029 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
2030 for (i = 0; i < n; i++) {
2031 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
2032 ptr + i * 10 + 8);
2033 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
2034 ptr + i * 10 + 0x10);
2035 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
2036 sc->sc_tmds_pll[i].rtp_freq,
2037 sc->sc_tmds_pll[i].rtp_pll));
2038 }
2039 return 0;
2040 }
2041 }
2042
2043 nobios:
2044 DPRINTF(("no suitable DFP table present\n"));
2045 for (i = 0;
2046 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
2047 i++) {
2048 int j;
2049
2050 if (radeonfb_tmds_pll[i].family != sc->sc_family)
2051 continue;
2052
2053 for (j = 0; j < 4; j++) {
2054 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
2055 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
2056 sc->sc_tmds_pll[j].rtp_freq,
2057 sc->sc_tmds_pll[j].rtp_pll));
2058 }
2059 return 0;
2060 }
2061
2062 return -1;
2063 }
2064
2065 const struct videomode *
2066 radeonfb_modelookup(const char *name)
2067 {
2068 int i;
2069
2070 for (i = 0; i < videomode_count; i++) {
2071 if (!strcmp(name, videomode_list[i].name))
2072 return &videomode_list[i];
2073 }
2074 return NULL;
2075 }
2076
2077 void
2078 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
2079 {
2080 if (crtc) {
2081 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
2082 RADEON_P2PLL_ATOMIC_UPDATE_R);
2083 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
2084 } else {
2085 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
2086 RADEON_PPLL_ATOMIC_UPDATE_R);
2087 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
2088 }
2089 }
2090
2091 void
2092 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
2093 {
2094 int i;
2095
2096 for (i = 10000; i; i--) {
2097 if (crtc) {
2098 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
2099 RADEON_P2PLL_ATOMIC_UPDATE_R)
2100 break;
2101 } else {
2102 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
2103 RADEON_PPLL_ATOMIC_UPDATE_R)
2104 break;
2105 }
2106 }
2107 }
2108
2109 void
2110 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc, int flags)
2111 {
2112 uint32_t pbit = 0;
2113 uint32_t feed = 0;
2114 uint32_t data, refdiv, div0, r2xxref;
2115
2116 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed, flags);
2117
2118 if (crtc == 0) {
2119
2120 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV);
2121
2122 /*
2123 * XXX
2124 * the RV350 in my last generation iBook G4 behaves like an
2125 * r2xx here - try to detect that and not screw up the reference
2126 * divider.
2127 * xf86-video-radeon just skips PLL programming altogether
2128 * on iBooks, probably for this reason.
2129 */
2130 r2xxref = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) | sc->sc_refdiv;
2131 if (IS_R300(sc) && (r2xxref != refdiv)) {
2132 refdiv = (refdiv & ~R300_PPLL_REF_DIV_ACC_MASK) |
2133 (sc->sc_refdiv << R300_PPLL_REF_DIV_ACC_SHIFT);
2134 } else {
2135 refdiv = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) |
2136 sc->sc_refdiv;
2137 }
2138 DPRINTF(("refdiv %08x\n", refdiv));
2139 div0 = GETPLL(sc, RADEON_PPLL_DIV_0);
2140 DPRINTF(("div0 %08x\n", div0));
2141 div0 &= ~(RADEON_PPLL_FB3_DIV_MASK |
2142 RADEON_PPLL_POST3_DIV_MASK);
2143 div0 |= pbit;
2144 div0 |= (feed & RADEON_PPLL_FB3_DIV_MASK);
2145 DPRINTF(("div0 %08x\n", div0));
2146
2147 if ((refdiv == GETPLL(sc, RADEON_PPLL_REF_DIV)) &&
2148 (div0 == GETPLL(sc, RADEON_PPLL_DIV_0))) {
2149 /*
2150 * nothing to do here, the PLL is already where we
2151 * want it
2152 */
2153 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
2154 ~RADEON_PLL_DIV_SEL);
2155 aprint_debug_dev(sc->sc_dev, "no need to touch the PLL\n");
2156 return;
2157 }
2158
2159 /* alright, we do need to reprogram stuff */
2160 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2161 RADEON_VCLK_SRC_SEL_CPUCLK,
2162 ~RADEON_VCLK_SRC_SEL_MASK);
2163
2164 /* put vclk into reset, use atomic updates */
2165 SETPLL(sc, RADEON_PPLL_CNTL,
2166 RADEON_PPLL_REFCLK_SEL |
2167 RADEON_PPLL_FBCLK_SEL |
2168 RADEON_PPLL_RESET |
2169 RADEON_PPLL_ATOMIC_UPDATE_EN |
2170 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2171
2172 /* select clock 0 */
2173 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
2174 ~RADEON_PLL_DIV_SEL);
2175
2176 PUTPLL(sc, RADEON_PPLL_REF_DIV, refdiv);
2177
2178 /* xf86-video-radeon does this, not sure why */
2179 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2180 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2181
2182 /* use the atomic update */
2183 radeonfb_pllwriteupdate(sc, crtc);
2184
2185 /* and wait for it to complete */
2186 radeonfb_pllwaitatomicread(sc, crtc);
2187
2188 /* program HTOTAL (why?) */
2189 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
2190
2191 /* drop reset */
2192 CLRPLL(sc, RADEON_PPLL_CNTL,
2193 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
2194 RADEON_PPLL_ATOMIC_UPDATE_EN |
2195 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2196
2197 PRINTPLL(RADEON_PPLL_CNTL);
2198 PRINTPLL(RADEON_PPLL_REF_DIV);
2199 PRINTPLL(RADEON_PPLL_DIV_3);
2200
2201 /* give clock time to lock */
2202 delay(50000);
2203
2204 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2205 RADEON_VCLK_SRC_SEL_PPLLCLK,
2206 ~RADEON_VCLK_SRC_SEL_MASK);
2207
2208 } else {
2209
2210 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2211 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
2212 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2213
2214 /* put vclk into reset, use atomic updates */
2215 SETPLL(sc, RADEON_P2PLL_CNTL,
2216 RADEON_P2PLL_RESET |
2217 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2218 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2219
2220 /* program reference divider */
2221 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
2222 ~RADEON_P2PLL_REF_DIV_MASK);
2223
2224 /* program feedback and post dividers */
2225 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
2226 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
2227 RADEON_P2PLL_POST0_DIV_MASK);
2228 data |= pbit;
2229 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
2230 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2231 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2232
2233 PRINTPLL(RADEON_P2PLL_REF_DIV);
2234 PRINTPLL(RADEON_P2PLL_DIV_0);
2235
2236 /* use the atomic update */
2237 radeonfb_pllwriteupdate(sc, crtc);
2238
2239 /* and wait for it to complete */
2240 radeonfb_pllwaitatomicread(sc, crtc);
2241
2242 /* program HTOTAL (why?) */
2243 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
2244
2245 /* drop reset */
2246 CLRPLL(sc, RADEON_P2PLL_CNTL,
2247 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
2248 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2249 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2250
2251 /* allow time for clock to lock */
2252 delay(50000);
2253
2254 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2255 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
2256 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2257 }
2258 PRINTREG(RADEON_CRTC_MORE_CNTL);
2259 }
2260
2261 void
2262 radeonfb_modeswitch(struct radeonfb_display *dp)
2263 {
2264 struct radeonfb_softc *sc = dp->rd_softc;
2265 int i;
2266
2267 /* blank the display while we switch modes */
2268 radeonfb_blank(dp, 1);
2269
2270 #if 0
2271 SET32(sc, RADEON_CRTC_EXT_CNTL,
2272 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2273 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2274 #endif
2275
2276 /* these registers might get in the way... */
2277 PUT32(sc, RADEON_OVR_CLR, 0);
2278 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
2279 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
2280 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
2281 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
2282 PUT32(sc, RADEON_VIPH_CONTROL, 0);
2283 PUT32(sc, RADEON_I2C_CNTL_1, 0);
2284 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2285 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
2286 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
2287 /*
2288 * Apple OF hands us R3xx radeons with tiling enabled - explicitly
2289 * disable it here
2290 */
2291 PUT32(sc, RADEON_SURFACE_CNTL, RADEON_SURF_TRANSLATION_DIS);
2292
2293 for (i = 0; i < dp->rd_ncrtcs; i++)
2294 radeonfb_setcrtc(dp, i);
2295
2296 #if 0
2297 /*
2298 * DVO chip voodoo from xf86-video-radeon
2299 * apparently this is needed for some powerbooks with DVI outputs
2300 */
2301
2302 uint8_t data[5][2] = {{0x8, 0x030}, {0x9, 0}, {0xa, 0x90}, {0xc, 0x89}, {0x8, 0x3b}};
2303 int n = 0;
2304 iic_acquire_bus(&sc->sc_i2c[0].ric_controller, 0);
2305 for (i = 0; i < 5; i++)
2306 n += iic_exec(&sc->sc_i2c[0].ric_controller, I2C_OP_WRITE, 0x38, data[i], 2, NULL, 0, 0);
2307 iic_release_bus(&sc->sc_i2c[0].ric_controller, 0);
2308 printf("n = %d\n", n);
2309 #endif
2310
2311 /* activate the display */
2312 radeonfb_blank(dp, 0);
2313 }
2314
2315 void
2316 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
2317 {
2318 int crtc, flags = 0;
2319 struct videomode *mode;
2320 struct radeonfb_softc *sc;
2321 struct radeonfb_crtc *cp;
2322 uint32_t v;
2323 uint32_t gencntl;
2324 uint32_t htotaldisp;
2325 uint32_t hsyncstrt;
2326 uint32_t vtotaldisp;
2327 uint32_t vsyncstrt;
2328 uint32_t fphsyncstrt;
2329 uint32_t fpvsyncstrt;
2330 uint32_t fphtotaldisp;
2331 uint32_t fpvtotaldisp;
2332 uint32_t pitch;
2333
2334 sc = dp->rd_softc;
2335
2336 if ((sc->sc_ports[index].rp_tmds_type == RADEON_TMDS_INT) ||
2337 (sc->sc_ports[index].rp_tmds_type == RADEON_TMDS_EXT)) {
2338 flags |= NO_ODD_FBDIV;
2339 }
2340
2341 cp = &dp->rd_crtcs[index];
2342 crtc = cp->rc_number;
2343 mode = &cp->rc_videomode;
2344
2345 #if 1
2346 pitch = dp->rd_stride / dp->rd_bpp;
2347 #else
2348 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
2349 (sc->sc_maxbpp * 8));
2350 #endif
2351 switch (crtc) {
2352 case 0:
2353 gencntl = RADEON_CRTC_GEN_CNTL;
2354 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
2355 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
2356 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
2357 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2358 /* should probably leave those alone on non-LVDS */
2359 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2360 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2361 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2362 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2363 break;
2364 case 1:
2365 gencntl = RADEON_CRTC2_GEN_CNTL;
2366 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2367 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2368 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2369 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2370 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2371 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2372 /* XXX these registers don't seem to exist */
2373 fpvtotaldisp = 0;//RADEON_FP_CRTC2_V_TOTAL_DISP;
2374 fphtotaldisp = 0;//RADEON_FP_CRTC2_H_TOTAL_DISP;
2375 break;
2376 default:
2377 panic("Bad CRTC!");
2378 break;
2379 }
2380
2381 /*
2382 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2383 */
2384 /* only bother with 32bpp and 8bpp */
2385 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2386
2387 if (crtc == 1) {
2388 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2389 } else {
2390 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2391 }
2392
2393 if (mode->flags & VID_DBLSCAN)
2394 v |= RADEON_CRTC2_DBL_SCAN_EN;
2395
2396 if (mode->flags & VID_INTERLACE)
2397 v |= RADEON_CRTC2_INTERLACE_EN;
2398
2399 if (mode->flags & VID_CSYNC) {
2400 v |= RADEON_CRTC2_CSYNC_EN;
2401 if (crtc == 1)
2402 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2403 }
2404
2405 PUT32(sc, gencntl, v);
2406 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2407
2408 /*
2409 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2410 */
2411 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2412 if (crtc == 0) {
2413 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2414 RADEON_CRTC_DISPLAY_DIS);
2415 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2416 if (mode->flags & VID_CSYNC)
2417 v |= RADEON_CRTC_VSYNC_TRISTAT;
2418 }
2419 /* unconditional turn on CRT, in case first CRTC is DFP */
2420 v |= RADEON_CRTC_CRT_ON;
2421 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2422 PRINTREG(RADEON_CRTC_EXT_CNTL);
2423
2424 /*
2425 * H_TOTAL_DISP
2426 */
2427 v = ((mode->hdisplay / 8) - 1) << 16;
2428 v |= (mode->htotal / 8) - 1;
2429 PUT32(sc, htotaldisp, v);
2430 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2431 if (fphtotaldisp) {
2432 PUT32(sc, fphtotaldisp, v);
2433 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2434 }
2435 /*
2436 * H_SYNC_STRT_WID
2437 */
2438 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2439 v |= (mode->hsync_start - 8); /* match xf86-video-radeon */
2440 if (mode->flags & VID_NHSYNC)
2441 v |= RADEON_CRTC_H_SYNC_POL;
2442 PUT32(sc, hsyncstrt, v);
2443 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2444 if (fphsyncstrt) {
2445 PUT32(sc, fphsyncstrt, v);
2446 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2447 }
2448
2449 /*
2450 * V_TOTAL_DISP
2451 */
2452 v = ((mode->vdisplay - 1) << 16);
2453 v |= (mode->vtotal - 1);
2454 PUT32(sc, vtotaldisp, v);
2455 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2456 if (fpvtotaldisp) {
2457 PUT32(sc, fpvtotaldisp, v);
2458 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2459 }
2460
2461 /*
2462 * V_SYNC_STRT_WID
2463 */
2464 v = ((mode->vsync_end - mode->vsync_start) << 16);
2465 v |= (mode->vsync_start - 1);
2466 if (mode->flags & VID_NVSYNC)
2467 v |= RADEON_CRTC_V_SYNC_POL;
2468 PUT32(sc, vsyncstrt, v);
2469 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2470 if (fpvsyncstrt) {
2471 PUT32(sc, fpvsyncstrt, v);
2472 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2473 }
2474
2475 radeonfb_program_vclk(sc, mode->dot_clock, crtc, flags);
2476
2477 switch (crtc) {
2478 case 0:
2479 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2480 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2481 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2482 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2483
2484 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2485 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2486 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2487 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2488 PRINTREG(RADEON_CRTC_EXT_CNTL);
2489 PRINTREG(RADEON_CRTC_GEN_CNTL);
2490 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2491 break;
2492
2493 case 1:
2494 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2495 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2496 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2497 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2498 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2499 RADEON_CRTC2_VSYNC_DIS |
2500 RADEON_CRTC2_HSYNC_DIS |
2501 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2502 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2503 break;
2504 }
2505 }
2506
2507 int
2508 radeonfb_isblank(struct radeonfb_display *dp)
2509 {
2510 uint32_t reg, mask;
2511
2512 if(!dp->rd_softc->sc_mapped)
2513 return 1;
2514
2515 if (dp->rd_crtcs[0].rc_number) {
2516 reg = RADEON_CRTC2_GEN_CNTL;
2517 mask = RADEON_CRTC2_DISP_DIS;
2518 } else {
2519 reg = RADEON_CRTC_EXT_CNTL;
2520 mask = RADEON_CRTC_DISPLAY_DIS;
2521 }
2522 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2523 }
2524
2525 void
2526 radeonfb_blank(struct radeonfb_display *dp, int blank)
2527 {
2528 struct radeonfb_softc *sc = dp->rd_softc;
2529 uint32_t reg, mask;
2530 uint32_t fpreg, fpval;
2531 int i;
2532
2533 if (!sc->sc_mapped)
2534 return;
2535
2536 for (i = 0; i < dp->rd_ncrtcs; i++) {
2537
2538 if (dp->rd_crtcs[i].rc_number) {
2539 reg = RADEON_CRTC2_GEN_CNTL;
2540 mask = RADEON_CRTC2_DISP_DIS;
2541 fpreg = RADEON_FP2_GEN_CNTL;
2542 fpval = RADEON_FP2_ON;
2543 } else {
2544 reg = RADEON_CRTC_EXT_CNTL;
2545 mask = RADEON_CRTC_DISPLAY_DIS;
2546 fpreg = RADEON_FP_GEN_CNTL;
2547 fpval = RADEON_FP_FPON;
2548 }
2549
2550 if (blank) {
2551 SET32(sc, reg, mask);
2552 CLR32(sc, fpreg, fpval);
2553 } else {
2554 CLR32(sc, reg, mask);
2555 SET32(sc, fpreg, fpval);
2556 }
2557 }
2558 PRINTREG(RADEON_FP_GEN_CNTL);
2559 PRINTREG(RADEON_FP2_GEN_CNTL);
2560 }
2561
2562 void
2563 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2564 long *defattr)
2565 {
2566 struct radeonfb_display *dp = cookie;
2567 struct rasops_info *ri = &scr->scr_ri;
2568
2569 /* initialize font subsystem */
2570 wsfont_init();
2571
2572 scr->scr_flags |= VCONS_LOADFONT;
2573
2574 DPRINTF(("init screen called, existing %d\n", existing));
2575
2576 ri->ri_depth = dp->rd_bpp;
2577 ri->ri_width = dp->rd_virtx;
2578 ri->ri_height = dp->rd_virty;
2579 ri->ri_stride = dp->rd_stride;
2580 ri->ri_flg = RI_CENTER;
2581 switch (ri->ri_depth) {
2582 case 8:
2583 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB | RI_PREFER_ALPHA;
2584 break;
2585 case 32:
2586 ri->ri_flg |= RI_ENABLE_ALPHA | RI_PREFER_ALPHA;
2587 /* we run radeons in RGB even on SPARC hardware */
2588 ri->ri_rnum = 8;
2589 ri->ri_gnum = 8;
2590 ri->ri_bnum = 8;
2591 ri->ri_rpos = 16;
2592 ri->ri_gpos = 8;
2593 ri->ri_bpos = 0;
2594 break;
2595 }
2596
2597 ri->ri_bits = (void *)dp->rd_fbptr;
2598
2599 #ifdef VCONS_DRAW_INTR
2600 scr->scr_flags |= VCONS_DONT_READ;
2601 #endif
2602
2603 if (existing) {
2604 ri->ri_flg |= RI_CLEAR;
2605
2606 /* start a modeswitch now */
2607 radeonfb_modeswitch(dp);
2608 }
2609
2610 /*
2611 * XXX: font selection should be based on properties, with some
2612 * normal/reasonable default.
2613 */
2614
2615 /* initialize and look for an initial font */
2616 rasops_init(ri, 0, 0);
2617 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
2618 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE | WSSCREEN_RESIZE;
2619
2620 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2621 dp->rd_virtx / ri->ri_font->fontwidth);
2622
2623 /* enable acceleration */
2624 dp->rd_putchar = ri->ri_ops.putchar;
2625 ri->ri_ops.copyrows = radeonfb_copyrows;
2626 ri->ri_ops.copycols = radeonfb_copycols;
2627 ri->ri_ops.eraserows = radeonfb_eraserows;
2628 ri->ri_ops.erasecols = radeonfb_erasecols;
2629 /* pick a putchar method based on font and Radeon model */
2630 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2631 /* got a bitmap font */
2632 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
2633 if (IS_R300(dp->rd_softc)) {
2634 /*
2635 * radeonfb_putchar() doesn't work right on some R3xx
2636 * so we use software drawing here, the wrapper just
2637 * makes sure the engine is idle before scribbling
2638 * into vram
2639 */
2640 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2641 } else
2642 #endif
2643 ri->ri_ops.putchar = radeonfb_putchar;
2644 } else {
2645 /* got an alpha font */
2646 switch(ri->ri_depth) {
2647 case 32:
2648 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2649 break;
2650 case 8:
2651 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2652 break;
2653 default:
2654 /* XXX this should never happen */
2655 panic("%s: depth is not 8 or 32 but we got an" \
2656 " alpha font?!", __func__);
2657 }
2658 }
2659 ri->ri_ops.cursor = radeonfb_cursor;
2660 }
2661
2662 void
2663 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2664 {
2665 uint32_t gen, ext, gen2 = 0;
2666 uint32_t agploc, aperbase, apersize, mcfbloc;
2667
2668 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2669 /* XXX */
2670 ext = GET32(sc, RADEON_CRTC_EXT_CNTL) & ~RADEON_CRTC_DISPLAY_DIS;
2671 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2672 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2673 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2674
2675 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2676 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2677 #if 0
2678 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2679 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2680 #endif
2681
2682 if (HAS_CRTC2(sc)) {
2683 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2684 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2685 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2686 }
2687
2688 delay(100000);
2689
2690 mcfbloc = (aperbase >> 16) |
2691 ((aperbase + (apersize - 1)) & 0xffff0000);
2692
2693 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2694 sc->sc_memsz = apersize;
2695
2696 if (((agploc & 0xffff) << 16) !=
2697 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2698 agploc = mcfbloc & 0xffff0000U;
2699 agploc |= ((agploc + 0x10000) >> 16);
2700 }
2701
2702 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2703
2704 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2705 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2706
2707 DPRINTF(("aperbase = %u\n", aperbase));
2708 PRINTREG(RADEON_MC_FB_LOCATION);
2709 PRINTREG(RADEON_MC_AGP_LOCATION);
2710
2711 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2712
2713 if (HAS_CRTC2(sc))
2714 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2715
2716 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2717
2718 #if 0
2719 /* XXX: what is this AGP garbage? :-) */
2720 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2721 #endif
2722
2723 delay(100000);
2724
2725 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2726 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2727
2728 if (HAS_CRTC2(sc))
2729 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2730 }
2731
2732 void
2733 radeonfb_init_misc(struct radeonfb_softc *sc)
2734 {
2735 PUT32(sc, RADEON_BUS_CNTL,
2736 RADEON_BUS_MASTER_DIS |
2737 RADEON_BUS_PREFETCH_MODE_ACT |
2738 RADEON_BUS_PCI_READ_RETRY_EN |
2739 RADEON_BUS_PCI_WRT_RETRY_EN |
2740 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2741 RADEON_BUS_MSTR_RD_MULT |
2742 RADEON_BUS_MSTR_RD_LINE |
2743 RADEON_BUS_RD_DISCARD_EN |
2744 RADEON_BUS_MSTR_DISCONNECT_EN |
2745 RADEON_BUS_READ_BURST);
2746
2747 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2748 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2749 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2750 PUT32(sc, RADEON_RBBM_CNTL,
2751 (3 << RADEON_RB_SETTLE_SHIFT) |
2752 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2753 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2754 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2755
2756 /* XXX: figure out what these mean! */
2757 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2758 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2759 #if 0
2760 PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2761 #endif
2762
2763 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2764 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2765 }
2766
2767 static void
2768 radeonfb_putpal(struct radeonfb_display *dp, int idx, int r, int g, int b)
2769 {
2770 struct radeonfb_softc *sc = dp->rd_softc;
2771 int crtc, cc;
2772 uint32_t vclk;
2773
2774 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2775 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2776
2777 /* initialize the palette for every CRTC used by this display */
2778 for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
2779 crtc = dp->rd_crtcs[cc].rc_number;
2780
2781 if (crtc)
2782 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2783 else
2784 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2785
2786 PUT32(sc, RADEON_PALETTE_INDEX, idx);
2787 PUT32(sc, RADEON_PALETTE_30_DATA,
2788 (r << 22) | (g << 12) | (b << 2));
2789 }
2790
2791 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2792 }
2793
2794 /*
2795 * This loads a linear color map for true color.
2796 */
2797 void
2798 radeonfb_init_palette(struct radeonfb_display *dp)
2799 {
2800 int i;
2801
2802 #define DAC_WIDTH ((1 << 10) - 1)
2803 #define CLUT_WIDTH ((1 << 8) - 1)
2804 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2805
2806 if (dp->rd_bpp == 8) {
2807
2808 /* R3G3B2 palette */
2809 uint32_t tmp, r, g, b;
2810
2811 for (i = 0; i <= CLUT_WIDTH; ++i) {
2812 tmp = i & 0xe0;
2813
2814 /*
2815 * replicate bits so 0xe0 maps to a red value of 0xff
2816 * in order to make white look actually white
2817 */
2818 tmp |= (tmp >> 3) | (tmp >> 6);
2819 r = tmp;
2820
2821 tmp = (i & 0x1c) << 3;
2822 tmp |= (tmp >> 3) | (tmp >> 6);
2823 g = tmp;
2824
2825 tmp = (i & 0x03) << 6;
2826 tmp |= tmp >> 2;
2827 tmp |= tmp >> 4;
2828 b = tmp;
2829
2830 radeonfb_putpal(dp, i, r, g, b);
2831 }
2832 } else {
2833 /* linear ramp */
2834 for (i = 0; i <= CLUT_WIDTH; ++i) {
2835 radeonfb_putpal(dp, i, i, i, i);
2836 }
2837 }
2838 }
2839
2840 static int
2841 radeonfb_putcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
2842 {
2843 u_char *r, *g, *b;
2844 u_int index = cm->index;
2845 u_int count = cm->count;
2846 int i, error;
2847 u_char rbuf[256], gbuf[256], bbuf[256];
2848
2849 #ifdef GENFB_DEBUG
2850 aprint_debug("putcmap: %d %d\n",index, count);
2851 #endif
2852 if (index >= 256 || count > 256 - index)
2853 return EINVAL;
2854 error = copyin(cm->red, &rbuf[index], count);
2855 if (error)
2856 return error;
2857 error = copyin(cm->green, &gbuf[index], count);
2858 if (error)
2859 return error;
2860 error = copyin(cm->blue, &bbuf[index], count);
2861 if (error)
2862 return error;
2863
2864 memcpy(&dp->rd_cmap_red[index], &rbuf[index], count);
2865 memcpy(&dp->rd_cmap_green[index], &gbuf[index], count);
2866 memcpy(&dp->rd_cmap_blue[index], &bbuf[index], count);
2867
2868 r = &dp->rd_cmap_red[index];
2869 g = &dp->rd_cmap_green[index];
2870 b = &dp->rd_cmap_blue[index];
2871
2872 for (i = 0; i < count; i++) {
2873 radeonfb_putpal(dp, index, *r, *g, *b);
2874 index++;
2875 r++, g++, b++;
2876 }
2877 return 0;
2878 }
2879
2880 static int
2881 radeonfb_getcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
2882 {
2883 u_int index = cm->index;
2884 u_int count = cm->count;
2885 int error;
2886
2887 if (index >= 256 || count > 256 - index)
2888 return EINVAL;
2889
2890 error = copyout(&dp->rd_cmap_red[index], cm->red, count);
2891 if (error)
2892 return error;
2893 error = copyout(&dp->rd_cmap_green[index], cm->green, count);
2894 if (error)
2895 return error;
2896 error = copyout(&dp->rd_cmap_blue[index], cm->blue, count);
2897 if (error)
2898 return error;
2899
2900 return 0;
2901 }
2902
2903 /*
2904 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2905 */
2906 void
2907 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2908 {
2909 uint32_t tmp, save;
2910
2911 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2912 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2913 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2914 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2915 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2916 }
2917
2918 /*
2919 * Acceleration entry points.
2920 */
2921
2922 /* this one draws characters using bitmap fonts */
2923 static void
2924 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2925 {
2926 struct rasops_info *ri = cookie;
2927 struct vcons_screen *scr = ri->ri_hw;
2928 struct radeonfb_display *dp = scr->scr_cookie;
2929 struct radeonfb_softc *sc = dp->rd_softc;
2930 struct wsdisplay_font *font = PICK_FONT(ri, c);
2931 uint32_t w, h;
2932 int xd, yd, offset, i;
2933 uint32_t bg, fg, gmc;
2934 uint32_t reg;
2935 uint8_t *data8;
2936 uint16_t *data16;
2937 uint32_t *data32;
2938 void *data;
2939
2940 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2941 return;
2942
2943 if (!CHAR_IN_FONT(c, font))
2944 return;
2945
2946 w = font->fontwidth;
2947 h = font->fontheight;
2948
2949 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2950 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2951
2952 xd = ri->ri_xorigin + col * w;
2953 yd = ri->ri_yorigin + row * h;
2954
2955 if (c == 0x20) {
2956 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2957 return;
2958 }
2959 data = WSFONT_GLYPH(c, font);
2960
2961 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2962
2963 radeonfb_wait_fifo(sc, 9);
2964
2965 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2966 RADEON_GMC_BRUSH_NONE |
2967 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2968 RADEON_GMC_DST_CLIPPING |
2969 RADEON_ROP3_S |
2970 RADEON_DP_SRC_SOURCE_HOST_DATA |
2971 RADEON_GMC_CLR_CMP_CNTL_DIS |
2972 RADEON_GMC_WR_MSK_DIS |
2973 gmc);
2974
2975 PUT32(sc, RADEON_SC_LEFT, xd);
2976 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2977 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2978 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2979 PUT32(sc, RADEON_DP_CNTL,
2980 RADEON_DST_X_LEFT_TO_RIGHT |
2981 RADEON_DST_Y_TOP_TO_BOTTOM);
2982
2983 PUT32(sc, RADEON_SRC_X_Y, 0);
2984 offset = 32 - (font->stride << 3);
2985 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2986 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2987
2988 radeonfb_wait_fifo(sc, h);
2989 switch (font->stride) {
2990 case 1: {
2991 data8 = data;
2992 for (i = 0; i < h; i++) {
2993 reg = *data8;
2994 #if BYTE_ORDER == LITTLE_ENDIAN
2995 reg = reg << 24;
2996 #endif
2997 bus_space_write_stream_4(sc->sc_regt,
2998 sc->sc_regh, RADEON_HOST_DATA0, reg);
2999 data8++;
3000 }
3001 break;
3002 }
3003 case 2: {
3004 data16 = data;
3005 for (i = 0; i < h; i++) {
3006 reg = *data16;
3007 #if BYTE_ORDER == LITTLE_ENDIAN
3008 reg = reg << 16;
3009 #endif
3010 bus_space_write_stream_4(sc->sc_regt,
3011 sc->sc_regh, RADEON_HOST_DATA0, reg);
3012 data16++;
3013 }
3014 break;
3015 }
3016 case 4: {
3017 data32 = data;
3018 for (i = 0; i < h; i++) {
3019 reg = *data32;
3020 bus_space_write_stream_4(sc->sc_regt,
3021 sc->sc_regh, RADEON_HOST_DATA0, reg);
3022 data32++;
3023 }
3024 break;
3025 }
3026 }
3027 if (attr & 1)
3028 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
3029 }
3030
3031 /* ... while this one is for anti-aliased ones */
3032 static void
3033 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
3034 {
3035 struct rasops_info *ri = cookie;
3036 struct vcons_screen *scr = ri->ri_hw;
3037 struct radeonfb_display *dp = scr->scr_cookie;
3038 struct radeonfb_softc *sc = dp->rd_softc;
3039 struct wsdisplay_font *font = PICK_FONT(ri, c);
3040 uint32_t bg, fg, gmc;
3041 uint8_t *data;
3042 int w, h, xd, yd;
3043 int i, r, g, b, aval;
3044 int rf, gf, bf, rb, gb, bb;
3045 uint32_t pixel;
3046 int rv;
3047
3048 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
3049 return;
3050
3051 if (!CHAR_IN_FONT(c, font))
3052 return;
3053
3054 w = font->fontwidth;
3055 h = font->fontheight;
3056
3057 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
3058 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
3059
3060 xd = ri->ri_xorigin + col * w;
3061 yd = ri->ri_yorigin + row * h;
3062
3063 if (c == 0x20) {
3064 radeonfb_rectfill(dp, xd, yd, w, h, bg);
3065 if (attr & 1)
3066 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
3067 return;
3068 }
3069 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
3070 if (rv == GC_OK)
3071 return;
3072
3073 data = WSFONT_GLYPH(c, font);
3074
3075 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3076
3077 radeonfb_wait_fifo(sc, 5);
3078
3079 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3080 RADEON_GMC_BRUSH_NONE |
3081 RADEON_GMC_SRC_DATATYPE_COLOR |
3082 RADEON_ROP3_S |
3083 RADEON_DP_SRC_SOURCE_HOST_DATA |
3084 RADEON_GMC_CLR_CMP_CNTL_DIS |
3085 RADEON_GMC_WR_MSK_DIS |
3086 gmc);
3087
3088 PUT32(sc, RADEON_DP_CNTL,
3089 RADEON_DST_X_LEFT_TO_RIGHT |
3090 RADEON_DST_Y_TOP_TO_BOTTOM);
3091
3092 PUT32(sc, RADEON_SRC_X_Y, 0);
3093 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
3094 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
3095
3096 rf = (fg >> 16) & 0xff;
3097 rb = (bg >> 16) & 0xff;
3098 gf = (fg >> 8) & 0xff;
3099 gb = (bg >> 8) & 0xff;
3100 bf = fg & 0xff;
3101 bb = bg & 0xff;
3102
3103 /*
3104 * I doubt we can upload data faster than even the slowest Radeon
3105 * could process them, especially when doing the alpha blending stuff
3106 * along the way, so just make sure there's some room in the FIFO and
3107 * then hammer away
3108 * As it turns out we can, so make periodic stops to let the FIFO
3109 * drain.
3110 */
3111 radeonfb_wait_fifo(sc, 20);
3112 for (i = 0; i < ri->ri_fontscale; i++) {
3113 aval = *data;
3114 data++;
3115 if (aval == 0) {
3116 pixel = bg;
3117 } else if (aval == 255) {
3118 pixel = fg;
3119 } else {
3120 r = aval * rf + (255 - aval) * rb;
3121 g = aval * gf + (255 - aval) * gb;
3122 b = aval * bf + (255 - aval) * bb;
3123 pixel = (r & 0xff00) << 8 |
3124 (g & 0xff00) |
3125 (b & 0xff00) >> 8;
3126 }
3127 if (i & 16)
3128 radeonfb_wait_fifo(sc, 20);
3129 PUT32(sc, RADEON_HOST_DATA0, pixel);
3130 }
3131 if (rv == GC_ADD) {
3132 glyphcache_add(&dp->rd_gc, c, xd, yd);
3133 } else if (attr & 1)
3134 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
3135 }
3136
3137 static void
3138 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
3139 {
3140 struct rasops_info *ri = cookie;
3141 struct vcons_screen *scr = ri->ri_hw;
3142 struct radeonfb_display *dp = scr->scr_cookie;
3143 struct radeonfb_softc *sc = dp->rd_softc;
3144 struct wsdisplay_font *font = PICK_FONT(ri, c);
3145 uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
3146 int i, x, y, wi, he, r, g, b, aval;
3147 int r1, g1, b1, r0, g0, b0, fgo, bgo;
3148 uint8_t *data8;
3149 int rv, cnt;
3150
3151 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
3152 return;
3153
3154 if (!CHAR_IN_FONT(c, font))
3155 return;
3156
3157 wi = font->fontwidth;
3158 he = font->fontheight;
3159
3160 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
3161 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
3162
3163 x = ri->ri_xorigin + col * wi;
3164 y = ri->ri_yorigin + row * he;
3165
3166 if (c == 0x20) {
3167 radeonfb_rectfill(dp, x, y, wi, he, bg);
3168 if (attr & 1)
3169 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
3170 return;
3171 }
3172 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
3173 if (rv == GC_OK)
3174 return;
3175
3176 data8 = WSFONT_GLYPH(c, font);
3177
3178 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3179
3180 radeonfb_wait_fifo(sc, 5);
3181
3182 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3183 RADEON_GMC_BRUSH_NONE |
3184 RADEON_GMC_SRC_DATATYPE_COLOR |
3185 RADEON_ROP3_S |
3186 RADEON_DP_SRC_SOURCE_HOST_DATA |
3187 RADEON_GMC_CLR_CMP_CNTL_DIS |
3188 RADEON_GMC_WR_MSK_DIS |
3189 gmc);
3190
3191 PUT32(sc, RADEON_DP_CNTL,
3192 RADEON_DST_X_LEFT_TO_RIGHT |
3193 RADEON_DST_Y_TOP_TO_BOTTOM);
3194
3195 PUT32(sc, RADEON_SRC_X_Y, 0);
3196 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
3197 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
3198
3199 /*
3200 * we need the RGB colours here, so get offsets into rasops_cmap
3201 */
3202 fgo = ((attr >> 24) & 0xf) * 3;
3203 bgo = ((attr >> 16) & 0xf) * 3;
3204
3205 r0 = rasops_cmap[bgo];
3206 r1 = rasops_cmap[fgo];
3207 g0 = rasops_cmap[bgo + 1];
3208 g1 = rasops_cmap[fgo + 1];
3209 b0 = rasops_cmap[bgo + 2];
3210 b1 = rasops_cmap[fgo + 2];
3211 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
3212 bg8 = R3G3B2(r0, g0, b0);
3213 fg8 = R3G3B2(r1, g1, b1);
3214
3215 radeonfb_wait_fifo(sc, 20);
3216 cnt = 0;
3217 for (i = 0; i < ri->ri_fontscale; i++) {
3218 aval = *data8;
3219 if (aval == 0) {
3220 pixel = bg8;
3221 } else if (aval == 255) {
3222 pixel = fg8;
3223 } else {
3224 r = aval * r1 + (255 - aval) * r0;
3225 g = aval * g1 + (255 - aval) * g0;
3226 b = aval * b1 + (255 - aval) * b0;
3227 pixel = ((r & 0xe000) >> 8) |
3228 ((g & 0xe000) >> 11) |
3229 ((b & 0xc000) >> 14);
3230 }
3231 latch |= pixel << (8 * (i & 3));
3232 /* write in 32bit chunks */
3233 if ((i & 3) == 3) {
3234 PUT32(sc, RADEON_HOST_DATA0, latch);
3235 /*
3236 * not strictly necessary, old data should be shifted
3237 * out
3238 */
3239 latch = 0;
3240 cnt++;
3241 if (cnt > 16) {
3242 cnt = 0;
3243 radeonfb_wait_fifo(sc, 20);
3244 }
3245 }
3246 data8++;
3247 }
3248 /* if we have pixels left in latch write them out */
3249 if ((i & 3) != 0) {
3250 /*
3251 * radeon is weird - apparently leftover pixels are written
3252 * from the middle, not from the left as everything else
3253 */
3254 PUT32(sc, RADEON_HOST_DATA0, latch);
3255 }
3256
3257 if (rv == GC_ADD) {
3258 glyphcache_add(&dp->rd_gc, c, x, y);
3259 } else
3260 if (attr & 1)
3261 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
3262 }
3263
3264 /*
3265 * wrapper for software character drawing
3266 * just sync the engine and call rasops*_putchar()
3267 */
3268
3269 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
3270 static void
3271 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
3272 {
3273 struct rasops_info *ri = cookie;
3274 struct vcons_screen *scr = ri->ri_hw;
3275 struct radeonfb_display *dp = scr->scr_cookie;
3276
3277 radeonfb_engine_idle(dp->rd_softc);
3278 dp->rd_putchar(ri, row, col, c, attr);
3279 }
3280 #endif
3281
3282 static void
3283 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
3284 {
3285 struct rasops_info *ri = cookie;
3286 struct vcons_screen *scr = ri->ri_hw;
3287 struct radeonfb_display *dp = scr->scr_cookie;
3288 uint32_t x, y, w, h, fg, bg, ul;
3289
3290 /* XXX: check for full emulation mode? */
3291 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3292 x = ri->ri_xorigin;
3293 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3294 w = ri->ri_emuwidth;
3295 h = ri->ri_font->fontheight * nrows;
3296
3297 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3298 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3299 }
3300 }
3301
3302 static void
3303 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
3304 {
3305 struct rasops_info *ri = cookie;
3306 struct vcons_screen *scr = ri->ri_hw;
3307 struct radeonfb_display *dp = scr->scr_cookie;
3308 uint32_t x, ys, yd, w, h;
3309
3310 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3311 x = ri->ri_xorigin;
3312 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
3313 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
3314 w = ri->ri_emuwidth;
3315 h = ri->ri_font->fontheight * nrows;
3316 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
3317 RADEON_ROP3_S);
3318 }
3319 }
3320
3321 static void
3322 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
3323 {
3324 struct rasops_info *ri = cookie;
3325 struct vcons_screen *scr = ri->ri_hw;
3326 struct radeonfb_display *dp = scr->scr_cookie;
3327 uint32_t xs, xd, y, w, h;
3328
3329 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3330 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
3331 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
3332 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3333 w = ri->ri_font->fontwidth * ncols;
3334 h = ri->ri_font->fontheight;
3335 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
3336 RADEON_ROP3_S);
3337 }
3338 }
3339
3340 static void
3341 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
3342 long fillattr)
3343 {
3344 struct rasops_info *ri = cookie;
3345 struct vcons_screen *scr = ri->ri_hw;
3346 struct radeonfb_display *dp = scr->scr_cookie;
3347 uint32_t x, y, w, h, fg, bg, ul;
3348
3349 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3350 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
3351 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3352 w = ri->ri_font->fontwidth * ncols;
3353 h = ri->ri_font->fontheight;
3354
3355 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3356 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3357 }
3358 }
3359
3360 static void
3361 radeonfb_cursor(void *cookie, int on, int row, int col)
3362 {
3363 struct rasops_info *ri = cookie;
3364 struct vcons_screen *scr = ri->ri_hw;
3365 struct radeonfb_display *dp = scr->scr_cookie;
3366 int x, y, wi, he;
3367
3368 wi = ri->ri_font->fontwidth;
3369 he = ri->ri_font->fontheight;
3370
3371 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3372 x = ri->ri_ccol * wi + ri->ri_xorigin;
3373 y = ri->ri_crow * he + ri->ri_yorigin;
3374 /* first turn off the old cursor */
3375 if (ri->ri_flg & RI_CURSOR) {
3376 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3377 RADEON_ROP3_Dn);
3378 ri->ri_flg &= ~RI_CURSOR;
3379 }
3380 ri->ri_crow = row;
3381 ri->ri_ccol = col;
3382 /* then (possibly) turn on the new one */
3383 if (on) {
3384 x = ri->ri_ccol * wi + ri->ri_xorigin;
3385 y = ri->ri_crow * he + ri->ri_yorigin;
3386 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3387 RADEON_ROP3_Dn);
3388 ri->ri_flg |= RI_CURSOR;
3389 }
3390 } else {
3391 scr->scr_ri.ri_crow = row;
3392 scr->scr_ri.ri_ccol = col;
3393 scr->scr_ri.ri_flg &= ~RI_CURSOR;
3394 }
3395 }
3396
3397 /*
3398 * Underlying acceleration support.
3399 */
3400
3401 static void
3402 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
3403 int width, int height, uint32_t color)
3404 {
3405 struct radeonfb_softc *sc = dp->rd_softc;
3406 uint32_t gmc;
3407
3408 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3409
3410 radeonfb_wait_fifo(sc, 6);
3411
3412 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3413 RADEON_GMC_BRUSH_SOLID_COLOR |
3414 RADEON_GMC_SRC_DATATYPE_COLOR |
3415 RADEON_GMC_CLR_CMP_CNTL_DIS |
3416 RADEON_ROP3_P | gmc);
3417
3418 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
3419 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3420 PUT32(sc, RADEON_DP_CNTL,
3421 RADEON_DST_X_LEFT_TO_RIGHT |
3422 RADEON_DST_Y_TOP_TO_BOTTOM);
3423 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3424 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3425 }
3426
3427 static void
3428 radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
3429 int width, int height, long attr)
3430 {
3431 struct radeonfb_display *dp = cookie;
3432
3433 radeonfb_rectfill(dp, dstx, dsty, width, height,
3434 dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
3435 }
3436
3437 static void
3438 radeonfb_bitblt(void *cookie, int srcx, int srcy,
3439 int dstx, int dsty, int width, int height, int rop)
3440 {
3441 struct radeonfb_display *dp = cookie;
3442 struct radeonfb_softc *sc = dp->rd_softc;
3443 uint32_t gmc;
3444 uint32_t dir;
3445
3446 if (dsty < srcy) {
3447 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
3448 } else {
3449 srcy += height - 1;
3450 dsty += height - 1;
3451 dir = 0;
3452 }
3453 if (dstx < srcx) {
3454 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
3455 } else {
3456 srcx += width - 1;
3457 dstx += width - 1;
3458 }
3459
3460 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3461
3462 radeonfb_wait_fifo(sc, 6);
3463
3464 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3465 RADEON_GMC_BRUSH_SOLID_COLOR |
3466 RADEON_GMC_SRC_DATATYPE_COLOR |
3467 RADEON_GMC_CLR_CMP_CNTL_DIS |
3468 RADEON_DP_SRC_SOURCE_MEMORY |
3469 rop | gmc);
3470
3471 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3472 PUT32(sc, RADEON_DP_CNTL, dir);
3473 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
3474 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3475 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3476 }
3477
3478 static void
3479 radeonfb_engine_idle(struct radeonfb_softc *sc)
3480 {
3481
3482 radeonfb_wait_fifo(sc, 64);
3483 while ((GET32(sc, RADEON_RBBM_STATUS) &
3484 RADEON_RBBM_ACTIVE) != 0);
3485 radeonfb_engine_flush(sc);
3486 }
3487
3488 static inline void
3489 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
3490 {
3491 int i;
3492
3493 for (i = RADEON_TIMEOUT; i; i--) {
3494 if ((GET32(sc, RADEON_RBBM_STATUS) &
3495 RADEON_RBBM_FIFOCNT_MASK) >= n)
3496 return;
3497 }
3498 #ifdef DIAGNOSTIC
3499 if (!i)
3500 printf("%s: timed out waiting for fifo (%x)\n",
3501 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3502 #endif
3503 }
3504
3505 static void
3506 radeonfb_engine_flush(struct radeonfb_softc *sc)
3507 {
3508 int i = 0;
3509
3510 if (IS_R300(sc)) {
3511 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3512 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3513 i++;
3514 }
3515 } else {
3516 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3517 RADEON_RB2D_DC_FLUSH_ALL);
3518 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3519 RADEON_RB2D_DC_BUSY) {
3520 i++;
3521 }
3522 }
3523 #ifdef DIAGNOSTIC
3524 if (i > RADEON_TIMEOUT)
3525 printf("%s: engine flush timed out!\n", XNAME(sc));
3526 #endif
3527 }
3528
3529 static inline void
3530 radeonfb_unclip(struct radeonfb_softc *sc)
3531 {
3532
3533 radeonfb_wait_fifo(sc, 2);
3534 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3535 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3536 }
3537
3538 static void
3539 radeonfb_engine_init(struct radeonfb_display *dp)
3540 {
3541 struct radeonfb_softc *sc = dp->rd_softc;
3542 uint32_t pitch;
3543
3544 /* no 3D */
3545 PUT32(sc, RADEON_RB3D_CNTL, 0);
3546
3547 radeonfb_engine_reset(sc);
3548 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
3549
3550 radeonfb_wait_fifo(sc, 1);
3551 if (!IS_R300(sc))
3552 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3553
3554 radeonfb_wait_fifo(sc, 3);
3555 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
3556 (pitch << 22) | (sc->sc_aperbase >> 10));
3557
3558
3559 PUT32(sc, RADEON_DST_PITCH_OFFSET,
3560 (pitch << 22) | (sc->sc_aperbase >> 10));
3561 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
3562 (pitch << 22) | (sc->sc_aperbase >> 10));
3563
3564 (void)GET32(sc, RADEON_DP_DATATYPE);
3565
3566 /* default scissors -- no clipping */
3567 radeonfb_wait_fifo(sc, 1);
3568 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3569 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3570
3571 radeonfb_wait_fifo(sc, 1);
3572 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3573 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3574 RADEON_GMC_CLR_CMP_CNTL_DIS |
3575 RADEON_GMC_BRUSH_SOLID_COLOR |
3576 RADEON_GMC_SRC_DATATYPE_COLOR);
3577
3578 radeonfb_wait_fifo(sc, 10);
3579 PUT32(sc, RADEON_DST_LINE_START, 0);
3580 PUT32(sc, RADEON_DST_LINE_END, 0);
3581 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3582 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3583 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3584 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3585 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3586 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3587 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3588 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3589 radeonfb_engine_idle(sc);
3590 }
3591
3592 static void
3593 radeonfb_engine_reset(struct radeonfb_softc *sc)
3594 {
3595 uint32_t hpc, rbbm, mclkcntl, clkindex;
3596
3597 radeonfb_engine_flush(sc);
3598
3599 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3600 if (HAS_R300CG(sc))
3601 radeonfb_r300cg_workaround(sc);
3602 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3603
3604 /*
3605 * According to comments in XFree code, resetting the HDP via
3606 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3607 * So we use HOST_PATH_CNTL instead.
3608 */
3609
3610 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3611 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3612 if (IS_R300(sc)) {
3613 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3614 RADEON_SOFT_RESET_CP |
3615 RADEON_SOFT_RESET_HI |
3616 RADEON_SOFT_RESET_E2);
3617 GET32(sc, RADEON_RBBM_SOFT_RESET);
3618 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3619 /*
3620 * XXX: this bit is not defined in any ATI docs I have,
3621 * nor in the XFree code, but XFree does it. Why?
3622 */
3623 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
3624 } else {
3625 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3626 RADEON_SOFT_RESET_CP |
3627 RADEON_SOFT_RESET_SE |
3628 RADEON_SOFT_RESET_RE |
3629 RADEON_SOFT_RESET_PP |
3630 RADEON_SOFT_RESET_E2 |
3631 RADEON_SOFT_RESET_RB);
3632 GET32(sc, RADEON_RBBM_SOFT_RESET);
3633 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3634 ~(RADEON_SOFT_RESET_CP |
3635 RADEON_SOFT_RESET_SE |
3636 RADEON_SOFT_RESET_RE |
3637 RADEON_SOFT_RESET_PP |
3638 RADEON_SOFT_RESET_E2 |
3639 RADEON_SOFT_RESET_RB));
3640 GET32(sc, RADEON_RBBM_SOFT_RESET);
3641 }
3642
3643 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3644 GET32(sc, RADEON_HOST_PATH_CNTL);
3645 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3646
3647 if (IS_R300(sc))
3648 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3649
3650 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3651 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
3652 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3653
3654 if (HAS_R300CG(sc))
3655 radeonfb_r300cg_workaround(sc);
3656 }
3657
3658 static int
3659 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3660 {
3661 int x, y;
3662
3663 x = pos->x;
3664 y = pos->y;
3665
3666 /*
3667 * This doesn't let a cursor move off the screen. I'm not
3668 * sure if this will have negative effects for e.g. Xinerama.
3669 * I'd guess Xinerama handles it by changing the cursor shape,
3670 * but that needs verification.
3671 */
3672 if (x >= dp->rd_virtx)
3673 x = dp->rd_virtx - 1;
3674 if (x < 0)
3675 x = 0;
3676 if (y >= dp->rd_virty)
3677 y = dp->rd_virty - 1;
3678 if (y < 0)
3679 y = 0;
3680
3681 dp->rd_cursor.rc_pos.x = x;
3682 dp->rd_cursor.rc_pos.y = y;
3683
3684 radeonfb_cursor_position(dp);
3685 return 0;
3686 }
3687
3688 static int
3689 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3690 {
3691 unsigned flags;
3692
3693 uint8_t r[2], g[2], b[2];
3694 unsigned index, count;
3695 int i, err;
3696 int pitch, size;
3697 struct radeonfb_cursor nc;
3698
3699 flags = wc->which;
3700
3701 /* copy old values */
3702 nc = dp->rd_cursor;
3703
3704 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3705 index = wc->cmap.index;
3706 count = wc->cmap.count;
3707
3708 if (index >= 2 || count > 2 - index)
3709 return EINVAL;
3710
3711 err = copyin(wc->cmap.red, &r[index], count);
3712 if (err)
3713 return err;
3714 err = copyin(wc->cmap.green, &g[index], count);
3715 if (err)
3716 return err;
3717 err = copyin(wc->cmap.blue, &b[index], count);
3718 if (err)
3719 return err;
3720
3721 for (i = index; i < index + count; i++) {
3722 nc.rc_cmap[i] =
3723 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3724 }
3725 }
3726
3727 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3728 if ((wc->size.x > RADEON_CURSORMAXX) ||
3729 (wc->size.y > RADEON_CURSORMAXY))
3730 return EINVAL;
3731
3732 /* figure bytes per line */
3733 pitch = (wc->size.x + 7) / 8;
3734 size = pitch * wc->size.y;
3735
3736 /* clear the old cursor and mask */
3737 memset(nc.rc_image, 0, 512);
3738 memset(nc.rc_mask, 0, 512);
3739
3740 nc.rc_size = wc->size;
3741
3742 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3743 return err;
3744
3745 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3746 return err;
3747 }
3748
3749 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3750 nc.rc_hot = wc->hot;
3751 if (nc.rc_hot.x >= nc.rc_size.x)
3752 nc.rc_hot.x = nc.rc_size.x - 1;
3753 if (nc.rc_hot.y >= nc.rc_size.y)
3754 nc.rc_hot.y = nc.rc_size.y - 1;
3755 }
3756
3757 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3758 nc.rc_pos = wc->pos;
3759 if (nc.rc_pos.x >= dp->rd_virtx)
3760 nc.rc_pos.x = dp->rd_virtx - 1;
3761 #if 0
3762 if (nc.rc_pos.x < 0)
3763 nc.rc_pos.x = 0;
3764 #endif
3765 if (nc.rc_pos.y >= dp->rd_virty)
3766 nc.rc_pos.y = dp->rd_virty - 1;
3767 #if 0
3768 if (nc.rc_pos.y < 0)
3769 nc.rc_pos.y = 0;
3770 #endif
3771 }
3772 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3773 nc.rc_visible = wc->enable;
3774 }
3775
3776 dp->rd_cursor = nc;
3777 radeonfb_cursor_update(dp, wc->which);
3778
3779 return 0;
3780 }
3781
3782 static uint8_t
3783 radeonfb_backwards(uint8_t d)
3784 {
3785 uint8_t l;
3786
3787 l = d << 7;
3788 l |= ((d & 0x02) << 5);
3789 l |= ((d & 0x04) << 3);
3790 l |= ((d & 0x08) << 1);
3791 l |= ((d & 0x10) >> 1);
3792 l |= ((d & 0x20) >> 3);
3793 l |= ((d & 0x40) >> 5);
3794 l |= ((d & 0x80) >> 7);
3795 return l;
3796 }
3797
3798 /*
3799 * Change the cursor shape. Call this with the cursor locked to avoid
3800 * flickering/tearing.
3801 */
3802 static void
3803 radeonfb_cursor_shape(struct radeonfb_display *dp)
3804 {
3805 uint8_t and[512], xor[512];
3806 int i, j, src, dst /* , pitch */;
3807 const uint8_t *msk = dp->rd_cursor.rc_mask;
3808 const uint8_t *img = dp->rd_cursor.rc_image;
3809
3810 /*
3811 * Radeon cursor data interleaves one line of AND data followed
3812 * by a line of XOR data. (Each line corresponds to a whole hardware
3813 * pitch - i.e. 64 pixels or 8 bytes.)
3814 *
3815 * The cursor is displayed using the following table:
3816 *
3817 * AND XOR Result
3818 * ----------------------
3819 * 0 0 Cursor color 0
3820 * 0 1 Cursor color 1
3821 * 1 0 Transparent
3822 * 1 1 Complement of background
3823 *
3824 * Our masks are therefore different from what we were passed.
3825 * Passed in, I'm assuming the data represents either color 0 or 1,
3826 * and a mask, so the passed in table looks like:
3827 *
3828 * IMG Mask Result
3829 * -----------------------
3830 * 0 0 Transparent
3831 * 0 1 Cursor color 0
3832 * 1 0 Transparent
3833 * 1 1 Cursor color 1
3834 *
3835 * IF mask bit == 1, AND = 0, XOR = color.
3836 * IF mask bit == 0, AND = 1, XOR = 0.
3837 *
3838 * hence: AND = ~(mask); XOR = color & ~(mask);
3839 */
3840
3841 /* pitch = ((dp->rd_cursor.rc_size.x + 7) / 8); */
3842
3843 /* start by assuming all bits are transparent */
3844 memset(and, 0xff, 512);
3845 memset(xor, 0x00, 512);
3846
3847 src = 0;
3848 dst = 0;
3849 for (i = 0; i < 64; i++) {
3850 for (j = 0; j < 64; j += 8) {
3851 if ((i < dp->rd_cursor.rc_size.y) &&
3852 (j < dp->rd_cursor.rc_size.x)) {
3853
3854 /* take care to leave odd bits alone */
3855 and[dst] &= ~(msk[src]);
3856 xor[dst] = img[src] & msk[src];
3857 src++;
3858 }
3859 dst++;
3860 }
3861 }
3862
3863 for (i = 0; i < 512; i++) {
3864 and[i] = radeonfb_backwards(and[i]);
3865 xor[i] = radeonfb_backwards(xor[i]);
3866 }
3867
3868 /* copy the image into place */
3869 for (i = 0; i < 64; i++) {
3870 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3871 &and[i * 8], 8);
3872 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3873 &xor[i * 8], 8);
3874 }
3875 }
3876
3877 static void
3878 radeonfb_cursor_position(struct radeonfb_display *dp)
3879 {
3880 struct radeonfb_softc *sc = dp->rd_softc;
3881 uint32_t offset, hvoff, hvpos; /* registers */
3882 uint32_t coff; /* cursor offset */
3883 int i, x, y, xoff, yoff, crtcoff;
3884
3885 /*
3886 * XXX: this also needs to handle pan/scan
3887 */
3888 for (i = 0; i < dp->rd_ncrtcs; i++) {
3889
3890 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3891
3892 if (rcp->rc_number) {
3893 offset = RADEON_CUR2_OFFSET;
3894 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3895 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3896 crtcoff = RADEON_CRTC2_OFFSET;
3897 } else {
3898 offset = RADEON_CUR_OFFSET;
3899 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3900 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3901 crtcoff = RADEON_CRTC_OFFSET;
3902 }
3903
3904 x = dp->rd_cursor.rc_pos.x;
3905 y = dp->rd_cursor.rc_pos.y;
3906
3907 while (y < rcp->rc_yoffset) {
3908 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3909 }
3910 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3911 rcp->rc_yoffset += RADEON_PANINCREMENT;
3912 }
3913 while (x < rcp->rc_xoffset) {
3914 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3915 }
3916 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3917 rcp->rc_xoffset += RADEON_PANINCREMENT;
3918 }
3919
3920 /* adjust for the cursor's hotspot */
3921 x -= dp->rd_cursor.rc_hot.x;
3922 y -= dp->rd_cursor.rc_hot.y;
3923 xoff = yoff = 0;
3924
3925 if (x >= dp->rd_virtx)
3926 x = dp->rd_virtx - 1;
3927 if (y >= dp->rd_virty)
3928 y = dp->rd_virty - 1;
3929
3930 /* now adjust cursor so it is relative to viewport */
3931 x -= rcp->rc_xoffset;
3932 y -= rcp->rc_yoffset;
3933
3934 /*
3935 * no need to check for fall off, because we should
3936 * never move off the screen entirely!
3937 */
3938 coff = 0;
3939 if (x < 0) {
3940 xoff = -x;
3941 x = 0;
3942 }
3943 if (y < 0) {
3944 yoff = -y;
3945 y = 0;
3946 coff = (yoff * 2) * 8;
3947 }
3948
3949 /* pan the display */
3950 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3951 rcp->rc_xoffset);
3952
3953 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3954 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3955 /* NB: this unlocks the cursor */
3956 PUT32(sc, hvpos, (x << 16) | y);
3957 }
3958 }
3959
3960 static void
3961 radeonfb_cursor_visible(struct radeonfb_display *dp)
3962 {
3963 int i;
3964 uint32_t gencntl, bit;
3965
3966 for (i = 0; i < dp->rd_ncrtcs; i++) {
3967 if (dp->rd_crtcs[i].rc_number) {
3968 gencntl = RADEON_CRTC2_GEN_CNTL;
3969 bit = RADEON_CRTC2_CUR_EN;
3970 } else {
3971 gencntl = RADEON_CRTC_GEN_CNTL;
3972 bit = RADEON_CRTC_CUR_EN;
3973 }
3974
3975 if (dp->rd_cursor.rc_visible)
3976 SET32(dp->rd_softc, gencntl, bit);
3977 else
3978 CLR32(dp->rd_softc, gencntl, bit);
3979 }
3980 }
3981
3982 static void
3983 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3984 {
3985 int i;
3986 uint32_t c0reg, c1reg;
3987 struct radeonfb_softc *sc = dp->rd_softc;
3988
3989 for (i = 0; i < dp->rd_ncrtcs; i++) {
3990 if (dp->rd_crtcs[i].rc_number) {
3991 c0reg = RADEON_CUR2_CLR0;
3992 c1reg = RADEON_CUR2_CLR1;
3993 } else {
3994 c0reg = RADEON_CUR_CLR0;
3995 c1reg = RADEON_CUR_CLR1;
3996 }
3997
3998 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3999 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
4000 }
4001 }
4002
4003 static void
4004 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
4005 {
4006 struct radeonfb_softc *sc;
4007 int i;
4008
4009 sc = dp->rd_softc;
4010 for (i = 0; i < dp->rd_ncrtcs; i++) {
4011 if (dp->rd_crtcs[i].rc_number) {
4012 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
4013 } else {
4014 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
4015 }
4016 }
4017
4018 if (which & WSDISPLAY_CURSOR_DOCMAP)
4019 radeonfb_cursor_cmap(dp);
4020
4021 if (which & WSDISPLAY_CURSOR_DOSHAPE)
4022 radeonfb_cursor_shape(dp);
4023
4024 if (which & WSDISPLAY_CURSOR_DOCUR)
4025 radeonfb_cursor_visible(dp);
4026
4027 /* this one is unconditional, because it updates other stuff */
4028 radeonfb_cursor_position(dp);
4029 }
4030
4031 static struct videomode *
4032 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
4033 {
4034 int r1, r2;
4035
4036 /* otherwise pick the higher refresh rate */
4037 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
4038 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
4039
4040 return (r1 < r2 ? m2 : m1);
4041 }
4042
4043 static const struct videomode *
4044 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
4045 int x, int y)
4046 {
4047 struct edid_info *ep = &rp->rp_edid;
4048 struct videomode *vmp = NULL;
4049 int i;
4050
4051 if (!rp->rp_edid_valid) {
4052 /* fallback to safe mode */
4053 return radeonfb_modelookup(sc->sc_defaultmode);
4054 }
4055
4056 /* always choose the preferred mode first! */
4057 if (ep->edid_preferred_mode) {
4058
4059 /* XXX: add auto-stretching support for native mode */
4060
4061 /* this may want panning to occur, btw */
4062 if ((ep->edid_preferred_mode->hdisplay <= x) &&
4063 (ep->edid_preferred_mode->vdisplay <= y))
4064 return ep->edid_preferred_mode;
4065 }
4066
4067 for (i = 0; i < ep->edid_nmodes; i++) {
4068 /*
4069 * We elect to pick a resolution that is too large for
4070 * the monitor than one that is too small. This means
4071 * that we will prefer to pan rather than to try to
4072 * center a smaller display on a larger screen. In
4073 * practice, this shouldn't matter because if a
4074 * monitor can support a larger resolution, it can
4075 * probably also support the smaller. A specific
4076 * exception is fixed format panels, but hopefully
4077 * they are properly dealt with by the "autostretch"
4078 * logic above.
4079 */
4080 if ((ep->edid_modes[i].hdisplay > x) ||
4081 (ep->edid_modes[i].vdisplay > y)) {
4082 continue;
4083 }
4084
4085 /*
4086 * at this point, the display mode is no larger than
4087 * what we've requested.
4088 */
4089 if (vmp == NULL)
4090 vmp = &ep->edid_modes[i];
4091
4092 /* eliminate smaller modes */
4093 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
4094 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
4095 continue;
4096
4097 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
4098 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
4099 vmp = &ep->edid_modes[i];
4100 continue;
4101 }
4102
4103 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
4104 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
4105
4106 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
4107 }
4108
4109 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
4110 }
4111
4112 static int
4113 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
4114 {
4115 int i;
4116
4117 for (i = 0; i < nlist; i++) {
4118 if ((x == list[i].hdisplay) &&
4119 (y == list[i].vdisplay)) {
4120 return 1;
4121 }
4122 }
4123 return 0;
4124 }
4125
4126 static void
4127 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
4128 int pan)
4129 {
4130 struct radeonfb_port *rp;
4131 struct edid_info *ep;
4132 int i, j;
4133
4134 *x = 0;
4135 *y = 0;
4136
4137 if (pan) {
4138 for (i = 0; i < dp->rd_ncrtcs; i++) {
4139 rp = dp->rd_crtcs[i].rc_port;
4140 ep = &rp->rp_edid;
4141 if (!rp->rp_edid_valid) {
4142 /* monitor not present */
4143 continue;
4144 }
4145
4146 /*
4147 * For now we are ignoring "conflict" that
4148 * could occur when mixing some modes like
4149 * 1280x1024 and 1400x800. It isn't clear
4150 * which is better, so the first one wins.
4151 */
4152 for (j = 0; j < ep->edid_nmodes; j++) {
4153 /*
4154 * ignore resolutions that are too big for
4155 * the radeon
4156 */
4157 if (ep->edid_modes[j].hdisplay >
4158 dp->rd_softc->sc_maxx)
4159 continue;
4160 if (ep->edid_modes[j].vdisplay >
4161 dp->rd_softc->sc_maxy)
4162 continue;
4163
4164 /*
4165 * pick largest resolution, the
4166 * smaller monitor will pan
4167 */
4168 if ((ep->edid_modes[j].hdisplay >= *x) &&
4169 (ep->edid_modes[j].vdisplay >= *y)) {
4170 *x = ep->edid_modes[j].hdisplay;
4171 *y = ep->edid_modes[j].vdisplay;
4172 }
4173 }
4174 }
4175
4176 } else {
4177 struct videomode modes[64];
4178 int nmodes = 0;
4179 int valid = 0;
4180
4181 for (i = 0; i < dp->rd_ncrtcs; i++) {
4182 /*
4183 * pick the largest resolution in common.
4184 */
4185 rp = dp->rd_crtcs[i].rc_port;
4186 ep = &rp->rp_edid;
4187
4188 if (!rp->rp_edid_valid)
4189 continue;
4190
4191 if (!valid) {
4192 /*
4193 * Pick the preferred mode for this port
4194 * if available.
4195 */
4196 if (ep->edid_preferred_mode) {
4197 struct videomode *vmp =
4198 ep->edid_preferred_mode;
4199
4200 if ((vmp->hdisplay <=
4201 dp->rd_softc->sc_maxx) &&
4202 (vmp->vdisplay <=
4203 dp->rd_softc->sc_maxy))
4204 modes[nmodes++] = *vmp;
4205 } else {
4206
4207 /* initialize starting list */
4208 for (j = 0; j < ep->edid_nmodes; j++) {
4209 /*
4210 * ignore resolutions that are
4211 * too big for the radeon
4212 */
4213 if (ep->edid_modes[j].hdisplay >
4214 dp->rd_softc->sc_maxx)
4215 continue;
4216 if (ep->edid_modes[j].vdisplay >
4217 dp->rd_softc->sc_maxy)
4218 continue;
4219
4220 modes[nmodes] =
4221 ep->edid_modes[j];
4222 nmodes++;
4223 }
4224 }
4225 valid = 1;
4226 } else {
4227 /* merge into preexisting list */
4228 for (j = 0; j < nmodes; j++) {
4229 if (!radeonfb_hasres(ep->edid_modes,
4230 ep->edid_nmodes,
4231 modes[j].hdisplay,
4232 modes[j].vdisplay)) {
4233 modes[j] = modes[nmodes];
4234 j--;
4235 nmodes--;
4236 }
4237 }
4238 }
4239 }
4240
4241 /* now we have to pick from the merged list */
4242 for (i = 0; i < nmodes; i++) {
4243 if ((modes[i].hdisplay >= *x) &&
4244 (modes[i].vdisplay >= *y)) {
4245 *x = modes[i].hdisplay;
4246 *y = modes[i].vdisplay;
4247 }
4248 }
4249 }
4250
4251 if ((*x == 0) || (*y == 0)) {
4252 /* fallback to safe mode */
4253 *x = 640;
4254 *y = 480;
4255 }
4256 }
4257
4258 /*
4259 * backlight levels are linear on:
4260 * - RV200, RV250, RV280, RV350
4261 * - but NOT on PowerBook4,3 6,3 6,5
4262 * according to Linux' radeonfb
4263 */
4264
4265 /* Get the current backlight level for the display. */
4266
4267 static int
4268 radeonfb_get_backlight(struct radeonfb_display *dp)
4269 {
4270 int s;
4271 uint32_t level;
4272
4273 s = spltty();
4274
4275 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
4276 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
4277 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
4278
4279 /*
4280 * On some chips, we should negate the backlight level.
4281 * XXX Find out on which chips.
4282 */
4283 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
4284 level = RADEONFB_BACKLIGHT_MAX - level;
4285
4286 splx(s);
4287
4288 return level;
4289 }
4290
4291 /* Set the backlight to the given level for the display. */
4292 static void
4293 radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
4294 {
4295 if (dp->rd_bl_on == on)
4296 return;
4297 dp->rd_bl_on = on;
4298 radeonfb_set_backlight(dp, dp->rd_bl_level);
4299 }
4300
4301 static int
4302 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
4303 {
4304 struct radeonfb_softc *sc = dp->rd_softc;
4305 int rlevel, s;
4306 uint32_t lvds;
4307
4308 if(!sc->sc_mapped)
4309 return 0;
4310
4311 s = spltty();
4312
4313 dp->rd_bl_level = level;
4314 if (dp->rd_bl_on == 0)
4315 level = 0;
4316
4317 if (level < 0)
4318 level = 0;
4319 else if (level >= RADEONFB_BACKLIGHT_MAX)
4320 level = RADEONFB_BACKLIGHT_MAX;
4321
4322 /* On some chips, we should negate the backlight level. */
4323 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
4324 rlevel = RADEONFB_BACKLIGHT_MAX - level;
4325 } else
4326 rlevel = level;
4327
4328 callout_stop(&dp->rd_bl_lvds_co);
4329 radeonfb_engine_idle(sc);
4330
4331 /*
4332 * Turn off the display if the backlight is set to 0, since the
4333 * display is useless without backlight anyway.
4334 */
4335 if (level == 0)
4336 radeonfb_blank(dp, 1);
4337 else if (radeonfb_get_backlight(dp) == 0)
4338 radeonfb_blank(dp, 0);
4339
4340 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
4341 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
4342 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
4343 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
4344 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
4345 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4346 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4347 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4348 lvds |= RADEON_LVDS_ON;
4349 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
4350 } else {
4351 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4352 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4353 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4354 }
4355
4356 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
4357 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
4358 /* XXX What is the correct delay? */
4359 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
4360
4361 splx(s);
4362
4363 return 0;
4364 }
4365
4366 /*
4367 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
4368 * Set the delayed bits in the register, and clear the stored delayed
4369 * value.
4370 */
4371
4372 static void radeonfb_lvds_callout(void *arg)
4373 {
4374 struct radeonfb_display *dp = arg;
4375 int s;
4376
4377 s = splhigh();
4378
4379 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
4380 dp->rd_bl_lvds_val);
4381 dp->rd_bl_lvds_val = 0;
4382
4383 splx(s);
4384 }
4385
4386 static void
4387 radeonfb_brightness_up(device_t dev)
4388 {
4389 struct radeonfb_softc *sc = device_private(dev);
4390 struct radeonfb_display *dp = &sc->sc_displays[0];
4391 int level;
4392
4393 /* we assume the main display is the first one - need a better way */
4394 if (sc->sc_ndisplays < 1) return;
4395 /* make sure pushing the hotkeys always has an effect */
4396 dp->rd_bl_on = 1;
4397 level = dp->rd_bl_level;
4398 level = uimin(RADEONFB_BACKLIGHT_MAX, level + 5);
4399 radeonfb_set_backlight(dp, level);
4400 }
4401
4402 static void
4403 radeonfb_brightness_down(device_t dev)
4404 {
4405 struct radeonfb_softc *sc = device_private(dev);
4406 struct radeonfb_display *dp = &sc->sc_displays[0];
4407 int level;
4408
4409 /* we assume the main display is the first one - need a better way */
4410 if (sc->sc_ndisplays < 1) return;
4411 /* make sure pushing the hotkeys always has an effect */
4412 dp->rd_bl_on = 1;
4413 level = dp->rd_bl_level;
4414 level = uimax(0, level - 5);
4415 radeonfb_set_backlight(dp, level);
4416 }
4417