radeonfb.c revision 1.67 1 /* $NetBSD: radeonfb.c,v 1.67 2012/12/20 02:58:32 macallan Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Itronix Inc.
5 * All rights reserved.
6 *
7 * Written by Garrett D'Amore for Itronix Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of Itronix Inc. may not be used to endorse
18 * or promote products derived from this software without specific
19 * prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * ATI Technologies Inc. ("ATI") has not assisted in the creation of, and
36 * does not endorse, this software. ATI will not be responsible or liable
37 * for any actual or alleged damage or loss caused by or in connection with
38 * the use of or reliance on this software.
39 */
40
41 /*
42 * Portions of this code were taken from XFree86's Radeon driver, which bears
43 * this notice:
44 *
45 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
46 * VA Linux Systems Inc., Fremont, California.
47 *
48 * All Rights Reserved.
49 *
50 * Permission is hereby granted, free of charge, to any person obtaining
51 * a copy of this software and associated documentation files (the
52 * "Software"), to deal in the Software without restriction, including
53 * without limitation on the rights to use, copy, modify, merge,
54 * publish, distribute, sublicense, and/or sell copies of the Software,
55 * and to permit persons to whom the Software is furnished to do so,
56 * subject to the following conditions:
57 *
58 * The above copyright notice and this permission notice (including the
59 * next paragraph) shall be included in all copies or substantial
60 * portions of the Software.
61 *
62 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
63 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
64 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
65 * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
66 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
67 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
68 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
69 * DEALINGS IN THE SOFTWARE.
70 */
71
72 #include <sys/cdefs.h>
73 __KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.67 2012/12/20 02:58:32 macallan Exp $");
74
75 #include <sys/param.h>
76 #include <sys/systm.h>
77 #include <sys/device.h>
78 #include <sys/malloc.h>
79 #include <sys/bus.h>
80 #include <sys/kernel.h>
81 #include <sys/lwp.h>
82 #include <sys/kauth.h>
83
84 #include <dev/wscons/wsdisplayvar.h>
85 #include <dev/wscons/wsconsio.h>
86 #include <dev/wsfont/wsfont.h>
87 #include <dev/rasops/rasops.h>
88 #include <dev/videomode/videomode.h>
89 #include <dev/videomode/edidvar.h>
90 #include <dev/wscons/wsdisplay_vconsvar.h>
91 #include <dev/pci/wsdisplay_pci.h>
92 #include <dev/wscons/wsdisplay_glyphcachevar.h>
93
94 #include <dev/pci/pcidevs.h>
95 #include <dev/pci/pcireg.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/pciio.h>
98 #include <dev/pci/radeonfbreg.h>
99 #include <dev/pci/radeonfbvar.h>
100 #include "opt_radeonfb.h"
101 #include "opt_vcons.h"
102
103 #ifdef RADEONFB_DEPTH_32
104 #define RADEONFB_DEFAULT_DEPTH 32
105 #else
106 #define RADEONFB_DEFAULT_DEPTH 8
107 #endif
108
109 static int radeonfb_match(device_t, cfdata_t, void *);
110 static void radeonfb_attach(device_t, device_t, void *);
111 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
112 struct lwp *);
113 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
114 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
115 static void radeonfb_loadbios(struct radeonfb_softc *,
116 const struct pci_attach_args *);
117
118 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
119 uintmax_t);
120 static int radeonfb_getclocks(struct radeonfb_softc *);
121 static int radeonfb_gettmds(struct radeonfb_softc *);
122 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
123 uint32_t *, uint32_t *);
124 static int radeonfb_getconnectors(struct radeonfb_softc *);
125 static const struct videomode *radeonfb_modelookup(const char *);
126 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
127 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
128 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
129 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
130 static void radeonfb_modeswitch(struct radeonfb_display *);
131 static void radeonfb_setcrtc(struct radeonfb_display *, int);
132 static void radeonfb_init_misc(struct radeonfb_softc *);
133 static void radeonfb_set_fbloc(struct radeonfb_softc *);
134 static void radeonfb_init_palette(struct radeonfb_softc *, int);
135 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
136
137 static int radeonfb_isblank(struct radeonfb_display *);
138 static void radeonfb_blank(struct radeonfb_display *, int);
139 static int radeonfb_set_cursor(struct radeonfb_display *,
140 struct wsdisplay_cursor *);
141 static int radeonfb_set_curpos(struct radeonfb_display *,
142 struct wsdisplay_curpos *);
143
144 /* acceleration support */
145 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
146 int width, int height, uint32_t color);
147 static void radeonfb_rectfill_a(void *, int, int, int, int, long);
148 static void radeonfb_bitblt(void *, int srcx, int srcy,
149 int dstx, int dsty, int width, int height, int rop);
150
151 /* hw cursor support */
152 static void radeonfb_cursor_cmap(struct radeonfb_display *);
153 static void radeonfb_cursor_shape(struct radeonfb_display *);
154 static void radeonfb_cursor_position(struct radeonfb_display *);
155 static void radeonfb_cursor_visible(struct radeonfb_display *);
156 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
157
158 static inline void radeonfb_wait_fifo(struct radeonfb_softc *, int);
159 static void radeonfb_engine_idle(struct radeonfb_softc *);
160 static void radeonfb_engine_flush(struct radeonfb_softc *);
161 static void radeonfb_engine_reset(struct radeonfb_softc *);
162 static void radeonfb_engine_init(struct radeonfb_display *);
163 static inline void radeonfb_unclip(struct radeonfb_softc *);
164
165 static void radeonfb_eraserows(void *, int, int, long);
166 static void radeonfb_erasecols(void *, int, int, int, long);
167 static void radeonfb_copyrows(void *, int, int, int);
168 static void radeonfb_copycols(void *, int, int, int, int);
169 static void radeonfb_cursor(void *, int, int, int);
170 static void radeonfb_putchar(void *, int, int, unsigned, long);
171 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
172 static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
173 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
174
175 static int radeonfb_set_backlight(struct radeonfb_display *, int);
176 static int radeonfb_get_backlight(struct radeonfb_display *);
177 static void radeonfb_switch_backlight(struct radeonfb_display *, int);
178 static void radeonfb_lvds_callout(void *);
179
180 static void radeonfb_brightness_up(device_t);
181 static void radeonfb_brightness_down(device_t);
182
183 static struct videomode *radeonfb_best_refresh(struct videomode *,
184 struct videomode *);
185 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
186 uint16_t *, int);
187 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
188 struct radeonfb_port *, int, int);
189
190 static int radeonfb_drm_print(void *, const char *);
191
192 #ifdef RADEONFB_DEBUG
193 int radeon_debug = 1;
194 #define DPRINTF(x) \
195 if (radeon_debug) printf x
196 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
197 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
198 #else
199 #define DPRINTF(x)
200 #define PRINTREG(r)
201 #define PRINTPLL(r)
202 #endif
203
204 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
205
206 #ifndef RADEON_DEFAULT_MODE
207 /* any reasonably modern display should handle this */
208 #define RADEON_DEFAULT_MODE "1024x768x60"
209 #endif
210
211 extern const u_char rasops_cmap[768];
212
213 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
214
215 static struct {
216 int size; /* minimum memory size (MB) */
217 int maxx; /* maximum x dimension */
218 int maxy; /* maximum y dimension */
219 int maxbpp; /* maximum bpp */
220 int maxdisp; /* maximum logical display count */
221 } radeonfb_limits[] = {
222 { 32, 2048, 1536, 32, 2 },
223 { 16, 1600, 1200, 32, 2 },
224 { 8, 1600, 1200, 32, 1 },
225 { 0, 0, 0, 0, 0 },
226 };
227
228 static struct wsscreen_descr radeonfb_stdscreen = {
229 "fb", /* name */
230 0, 0, /* ncols, nrows */
231 NULL, /* textops */
232 8, 16, /* fontwidth, fontheight */
233 WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE, /* capabilities */
234 0, /* modecookie */
235 };
236
237 struct wsdisplay_accessops radeonfb_accessops = {
238 radeonfb_ioctl,
239 radeonfb_mmap,
240 NULL, /* vcons_alloc_screen */
241 NULL, /* vcons_free_screen */
242 NULL, /* vcons_show_screen */
243 NULL, /* load_font */
244 NULL, /* pollc */
245 NULL, /* scroll */
246 };
247
248 static struct {
249 uint16_t devid;
250 uint16_t family;
251 uint16_t flags;
252 } radeonfb_devices[] =
253 {
254 /* R100 family */
255 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
256 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
257 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
258 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
259
260 /* RV100 family */
261 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
262 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
263 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
264 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
265
266 /* RS100 family */
267 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
268 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
269
270 /* RS200/RS250 family */
271 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
272 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
273 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
274 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
275
276 /* R200 family */
277 /* add more R200 products? , 5148 */
278 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
279 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
280 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
281 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
282 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
283
284 /* RV200 family */
285 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
286 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
287 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
288 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
289
290 /* RV250 family */
291 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
292 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
293 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
294 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
295 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
296
297 /* RS300 family */
298 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
299 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
300 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
301 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
302
303 /* RV280 family */
304 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
305 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
306 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
307 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
308 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
309 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
310 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
311
312 /* R300 family */
313 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
314 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
315 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
316 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
317 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
318 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
319 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
320 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
321
322 /* RV350/RV360 family */
323 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
324 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
325 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
326 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
327 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
328 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
329 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
330 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
331 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
332 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
333 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
334 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
335
336 /* R350/R360 family */
337 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
338 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
339 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
340 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
341 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
342 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
343 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
344 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
345
346 /* RV380/RV370 family */
347 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
348 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
349 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
350 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
351 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
352 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
353 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
354 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
355 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
356
357 /* R420/R423 family */
358 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
359 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
360 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
361 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
362 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
363 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
364 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
365 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
366 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
367 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
368 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
369 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
372 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
373 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
374 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
375
376 { 0, 0, 0 }
377 };
378
379 static struct {
380 int divider;
381 int mask;
382 } radeonfb_dividers[] = {
383 { 1, 0 },
384 { 2, 1 },
385 { 3, 4 },
386 { 4, 2 },
387 { 6, 6 },
388 { 8, 3 },
389 { 12, 7 },
390 { 0, 0 }
391 };
392
393 /*
394 * This table taken from X11.
395 */
396 static const struct {
397 int family;
398 struct radeon_tmds_pll plls[4];
399 } radeonfb_tmds_pll[] = {
400 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
401 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
402 { RADEON_RS100, {{0, 0}}},
403 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
404 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
405 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
406 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
407 { RADEON_RS300, {{0, 0}}},
408 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
409 { RADEON_R300, {{-1, 0xb01cb}}},
410 { RADEON_R350, {{-1, 0xb01cb}}},
411 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
412 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
413 { RADEON_R420, {{-1, 0xb01cb}}},
414 };
415
416 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
417
418
419 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
420 radeonfb_match, radeonfb_attach, NULL, NULL);
421
422 static int
423 radeonfb_match(device_t parent, cfdata_t match, void *aux)
424 {
425 const struct pci_attach_args *pa = aux;
426 int i;
427
428 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
429 return 0;
430
431 for (i = 0; radeonfb_devices[i].devid; i++) {
432 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
433 return 100; /* high to defeat VGA/VESA */
434 }
435
436 return 0;
437 }
438
439 static void
440 radeonfb_attach(device_t parent, device_t dev, void *aux)
441 {
442 struct radeonfb_softc *sc = device_private(dev);
443 const struct pci_attach_args *pa = aux;
444 const char *mptr;
445 bus_size_t bsz;
446 pcireg_t screg;
447 int i, j, fg, bg, ul, flags;
448 uint32_t v;
449
450 sc->sc_dev = dev;
451 sc->sc_id = pa->pa_id;
452 for (i = 0; radeonfb_devices[i].devid; i++) {
453 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
454 break;
455 }
456
457 pci_aprint_devinfo(pa, NULL);
458
459 DPRINTF((prop_dictionary_externalize(device_properties(dev))));
460
461 KASSERT(radeonfb_devices[i].devid != 0);
462 sc->sc_pt = pa->pa_tag;
463 sc->sc_iot = pa->pa_iot;
464 sc->sc_pc = pa->pa_pc;
465 sc->sc_family = radeonfb_devices[i].family;
466 sc->sc_flags = radeonfb_devices[i].flags;
467
468 /* enable memory and IO access */
469 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
470 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
471 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
472
473 /*
474 * Some flags are general to entire chip families, and rather
475 * than clutter up the table with them, we go ahead and set
476 * them here.
477 */
478 switch (sc->sc_family) {
479 case RADEON_RS100:
480 case RADEON_RS200:
481 sc->sc_flags |= RFB_IGP | RFB_RV100;
482 break;
483
484 case RADEON_RV100:
485 case RADEON_RV200:
486 case RADEON_RV250:
487 case RADEON_RV280:
488 sc->sc_flags |= RFB_RV100;
489 break;
490
491 case RADEON_RS300:
492 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
493 break;
494
495 case RADEON_R300:
496 case RADEON_RV350:
497 case RADEON_R350:
498 case RADEON_RV380:
499 case RADEON_R420:
500 /* newer chips */
501 sc->sc_flags |= RFB_R300;
502 break;
503
504 case RADEON_R100:
505 sc->sc_flags |= RFB_NCRTC2;
506 break;
507 }
508
509 if ((sc->sc_family == RADEON_RV200) ||
510 (sc->sc_family == RADEON_RV250) ||
511 (sc->sc_family == RADEON_RV280) ||
512 (sc->sc_family == RADEON_RV350)) {
513 bool inverted = 0;
514 /* backlight level is linear */
515 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
516 prop_dictionary_get_bool(device_properties(sc->sc_dev),
517 "backlight_level_reverted", &inverted);
518 if (inverted) {
519 DPRINTF(("nope, it's inverted\n"));
520 sc->sc_flags |= RFB_INV_BLIGHT;
521 }
522 } else
523 sc->sc_flags |= RFB_INV_BLIGHT;
524
525 /*
526 * XXX: to support true multihead, this must change.
527 */
528 sc->sc_ndisplays = 1;
529
530 /* XXX: */
531 if (!HAS_CRTC2(sc)) {
532 sc->sc_ndisplays = 1;
533 }
534
535 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
536 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
537 &sc->sc_regsz) != 0) {
538 aprint_error("%s: unable to map registers!\n", XNAME(sc));
539 goto error;
540 }
541
542 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
543 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
544 {
545 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
546 goto error;
547 }
548 sc->sc_romt = sc->sc_memt;
549
550 /* scratch register test... */
551 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
552 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
553 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
554 goto error;
555 }
556
557 PRINTREG(RADEON_CRTC_EXT_CNTL);
558 PRINTREG(RADEON_CRTC_GEN_CNTL);
559 PRINTREG(RADEON_CRTC2_GEN_CNTL);
560 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
561 PRINTREG(RADEON_DAC_CNTL2);
562
563 PRINTREG(RADEON_BIOS_4_SCRATCH);
564 PRINTREG(RADEON_FP_GEN_CNTL);
565 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
566 PRINTREG(RADEON_FP2_GEN_CNTL);
567 PRINTREG(RADEON_TMDS_CNTL);
568 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
569 PRINTREG(RADEON_TMDS_PLL_CNTL);
570 PRINTREG(RADEON_LVDS_GEN_CNTL);
571 PRINTREG(RADEON_FP_HORZ_STRETCH);
572 PRINTREG(RADEON_FP_VERT_STRETCH);
573
574 /* XXX: RV100 specific */
575 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
576
577 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
578 RADEON_TMDS_TRANSMITTER_PLLEN,
579 RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
580
581 radeonfb_i2c_init(sc);
582
583 radeonfb_loadbios(sc, pa);
584
585 #ifdef RADEONFB_BIOS_INIT
586 if (radeonfb_bios_init(sc)) {
587 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
588 }
589 #endif
590
591 if (radeonfb_getclocks(sc)) {
592 aprint_error("%s: Unable to get reference clocks from BIOS\n",
593 XNAME(sc));
594 goto error;
595 }
596
597 if (radeonfb_gettmds(sc)) {
598 aprint_error("%s: Unable to identify TMDS PLL settings\n",
599 XNAME(sc));
600 goto error;
601 }
602
603 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
604 "minpll = %d, maxpll = %d\n", XNAME(sc),
605 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
606 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
607
608 radeonfb_getconnectors(sc);
609
610 radeonfb_set_fbloc(sc);
611
612 for (i = 0; radeonfb_limits[i].size; i++) {
613 if (sc->sc_memsz >= radeonfb_limits[i].size) {
614 sc->sc_maxx = radeonfb_limits[i].maxx;
615 sc->sc_maxy = radeonfb_limits[i].maxy;
616 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
617 /* framebuffer offset, start at a 4K page */
618 sc->sc_fboffset = sc->sc_memsz /
619 radeonfb_limits[i].maxdisp;
620 /*
621 * we use the fbsize to figure out where we can store
622 * things like cursor data.
623 */
624 sc->sc_fbsize =
625 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
626 RADEON_STRIDEALIGN) * sc->sc_maxy,
627 4096);
628 break;
629 }
630 }
631
632
633 radeonfb_init_misc(sc);
634 radeonfb_init_palette(sc, 0);
635 if (HAS_CRTC2(sc))
636 radeonfb_init_palette(sc, 1);
637
638 /* program the DAC wirings */
639 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
640 switch (sc->sc_ports[i].rp_dac_type) {
641 case RADEON_DAC_PRIMARY:
642 PATCH32(sc, RADEON_DAC_CNTL2,
643 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
644 ~RADEON_DAC2_DAC_CLK_SEL);
645 break;
646 case RADEON_DAC_TVDAC:
647 /* we always use the TVDAC to drive a secondary analog
648 * CRT for now. if we ever support TV-out this will
649 * have to change.
650 */
651 SET32(sc, RADEON_DAC_CNTL2,
652 RADEON_DAC2_DAC2_CLK_SEL);
653 PATCH32(sc, RADEON_DISP_HW_DEBUG,
654 i ? 0 : RADEON_CRT2_DISP1_SEL,
655 ~RADEON_CRT2_DISP1_SEL);
656 break;
657 }
658 }
659 PRINTREG(RADEON_DAC_CNTL2);
660 PRINTREG(RADEON_DISP_HW_DEBUG);
661
662 /* other DAC programming */
663 v = GET32(sc, RADEON_DAC_CNTL);
664 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
665 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
666 PUT32(sc, RADEON_DAC_CNTL, v);
667 PRINTREG(RADEON_DAC_CNTL);
668
669 /* XXX: this may need more investigation */
670 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
671 PRINTREG(RADEON_TV_DAC_CNTL);
672
673 /* enable TMDS */
674 SET32(sc, RADEON_FP_GEN_CNTL,
675 RADEON_FP_TMDS_EN |
676 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
677 RADEON_FP_CRTC_DONT_SHADOW_HEND);
678 /*
679 * XXX
680 * no idea why this is necessary - if I do not clear this bit on my
681 * iBook G4 the screen remains black, even though it's already clear.
682 * It needs to be set on my Sun XVR-100 for the DVI port to work
683 */
684 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
685 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
686 } else
687 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
688
689 if (HAS_CRTC2(sc))
690 SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
691
692 /*
693 * we use bus_space_map instead of pci_mapreg, because we don't
694 * need the full aperature space. no point in wasting virtual
695 * address space we don't intend to use, right?
696 */
697 if ((sc->sc_memsz < (4096 * 1024)) ||
698 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
699 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
700 (bsz < sc->sc_memsz)) {
701 sc->sc_memsz = 0;
702 aprint_error("%s: Bad frame buffer configuration\n",
703 XNAME(sc));
704 goto error;
705 }
706
707 /* 64 MB should be enough -- more just wastes map entries */
708 if (sc->sc_memsz > (64 << 20))
709 sc->sc_memsz = (64 << 20);
710
711 sc->sc_memt = pa->pa_memt;
712 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
713 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
714 sc->sc_memsz = 0;
715 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
716 goto error;
717 }
718
719 aprint_normal("%s: %d MB aperture at 0x%08x, "
720 "%d KB registers at 0x%08x\n", XNAME(sc),
721 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
722 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
723
724 /* setup default video mode from devprop (allows PROM override) */
725 sc->sc_defaultmode = radeonfb_default_mode;
726 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
727 "videomode", &mptr)) {
728
729 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
730 sc->sc_defaultmode = sc->sc_modebuf;
731 }
732
733 /* initialize some basic display parameters */
734 for (i = 0; i < sc->sc_ndisplays; i++) {
735 struct radeonfb_display *dp = &sc->sc_displays[i];
736 struct rasops_info *ri;
737 long defattr;
738 struct wsemuldisplaydev_attach_args aa;
739
740 /*
741 * Figure out how many "displays" (desktops) we are going to
742 * support. If more than one, then each CRTC gets its own
743 * programming.
744 *
745 * XXX: this code needs to change to support mergedfb.
746 * XXX: would be nice to allow this to be overridden
747 */
748 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
749 DPRINTF(("dual crtcs!\n"));
750 dp->rd_ncrtcs = 2;
751 dp->rd_crtcs[0].rc_number = 0;
752 dp->rd_crtcs[1].rc_number = 1;
753 } else {
754 dp->rd_ncrtcs = 1;
755 dp->rd_crtcs[0].rc_number = i;
756 }
757
758 /* set up port pointer */
759 for (j = 0; j < dp->rd_ncrtcs; j++) {
760 dp->rd_crtcs[j].rc_port =
761 &sc->sc_ports[dp->rd_crtcs[j].rc_number];
762 }
763
764 dp->rd_softc = sc;
765 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
766 dp->rd_bg = WS_DEFAULT_BG;
767 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
768
769 /* for text mode, we pick a resolution that won't
770 * require panning */
771 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
772
773 aprint_normal("%s: display %d: "
774 "initial virtual resolution %dx%d at %d bpp\n",
775 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
776
777 /* now select the *video mode* that we will use */
778 for (j = 0; j < dp->rd_ncrtcs; j++) {
779 const struct videomode *vmp;
780 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
781 dp->rd_virtx, dp->rd_virty);
782
783 /*
784 * virtual resolution should be at least as high as
785 * physical
786 */
787 if (dp->rd_virtx < vmp->hdisplay ||
788 dp->rd_virty < vmp->vdisplay) {
789 dp->rd_virtx = vmp->hdisplay;
790 dp->rd_virty = vmp->vdisplay;
791 }
792
793 dp->rd_crtcs[j].rc_videomode = *vmp;
794 printf("%s: port %d: physical %dx%d %dHz\n",
795 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
796 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
797 vmp->htotal), vmp->vtotal));
798 }
799
800 /* N.B.: radeon wants 64-byte aligned stride */
801 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
802 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
803 DPRINTF(("stride: %d\n", dp->rd_stride));
804
805 dp->rd_offset = sc->sc_fboffset * i;
806 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
807 sc->sc_memh) + dp->rd_offset;
808 dp->rd_curoff = sc->sc_fbsize;
809 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
810
811 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
812
813 switch (dp->rd_bpp) {
814 case 8:
815 dp->rd_format = 2;
816 break;
817 case 32:
818 dp->rd_format = 6;
819 break;
820 default:
821 aprint_error("%s: bad depth %d\n", XNAME(sc),
822 dp->rd_bpp);
823 goto error;
824 }
825
826 DPRINTF(("init engine\n"));
827 /* XXX: this seems suspicious - per display engine
828 initialization? */
829 radeonfb_engine_init(dp);
830
831 /* copy the template into place */
832 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
833 dp->rd_wsscreens = dp->rd_wsscreens_storage;
834
835 /* and make up the list */
836 dp->rd_wsscreenlist.nscreens = 1;
837 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
838
839 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
840 &radeonfb_accessops);
841
842 dp->rd_vd.init_screen = radeonfb_init_screen;
843
844 #ifdef RADEONFB_DEBUG
845 dp->rd_virty -= 200;
846 #endif
847
848 dp->rd_console = 0;
849 prop_dictionary_get_bool(device_properties(sc->sc_dev),
850 "is_console", &dp->rd_console);
851
852 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
853
854
855 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
856 dp->rd_console, &defattr);
857
858 ri = &dp->rd_vscreen.scr_ri;
859
860 /* clear the screen */
861 rasops_unpack_attr(defattr, &fg, &bg, &ul);
862 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
863 ri->ri_devcmap[bg & 0xf]);
864
865 dp->rd_wsscreens->textops = &ri->ri_ops;
866 dp->rd_wsscreens->capabilities = ri->ri_caps;
867 dp->rd_wsscreens->nrows = ri->ri_rows;
868 dp->rd_wsscreens->ncols = ri->ri_cols;
869
870 #ifdef SPLASHSCREEN
871 dp->rd_splash.si_depth = ri->ri_depth;
872 dp->rd_splash.si_bits = ri->ri_bits;
873 dp->rd_splash.si_hwbits = ri->ri_hwbits;
874 dp->rd_splash.si_width = ri->ri_width;
875 dp->rd_splash.si_height = ri->ri_height;
876 dp->rd_splash.si_stride = ri->ri_stride;
877 dp->rd_splash.si_fillrect = NULL;
878 #endif
879 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
880 dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
881 dp->rd_gc.gc_rop = RADEON_ROP3_S;
882 dp->rd_gc.gc_blitcookie = dp;
883 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
884 (0x800000 / dp->rd_stride) - (dp->rd_virty + 4),
885 dp->rd_virtx,
886 ri->ri_font->fontwidth,
887 ri->ri_font->fontheight,
888 defattr);
889 if (dp->rd_console) {
890
891 radeonfb_modeswitch(dp);
892 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
893 defattr);
894 #ifdef SPLASHSCREEN
895 if (splash_render(&dp->rd_splash,
896 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
897 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
898 else
899 #endif
900 vcons_replay_msgbuf(&dp->rd_vscreen);
901 } else {
902
903 /*
904 * since we're not the console we can postpone
905 * the rest until someone actually allocates a
906 * screen for us. but we do clear the screen
907 * at least.
908 */
909 memset(ri->ri_bits, 0, 1024);
910
911 radeonfb_modeswitch(dp);
912 #ifdef SPLASHSCREEN
913 if (splash_render(&dp->rd_splash,
914 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
915 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
916 #endif
917 }
918
919 aa.console = dp->rd_console;
920 aa.scrdata = &dp->rd_wsscreenlist;
921 aa.accessops = &radeonfb_accessops;
922 aa.accesscookie = &dp->rd_vd;
923
924 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
925
926 radeonfb_blank(dp, 0);
927
928 /* Initialise delayed lvds operations for backlight. */
929 callout_init(&dp->rd_bl_lvds_co, 0);
930 callout_setfunc(&dp->rd_bl_lvds_co,
931 radeonfb_lvds_callout, dp);
932 dp->rd_bl_on = 1;
933 dp->rd_bl_level = radeonfb_get_backlight(dp);
934 radeonfb_set_backlight(dp, dp->rd_bl_level);
935 }
936
937 /*
938 * if we have console output via firmware like on sparc64 it may
939 * interfere with DAC programming so program the palette again
940 * here after we took over
941 */
942 radeonfb_init_palette(sc, 0);
943 if (HAS_CRTC2(sc)) {
944 radeonfb_init_palette(sc, 1);
945 CLR32(sc, RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_DISP_DIS);
946 }
947
948 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
949 radeonfb_brightness_up, TRUE);
950 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
951 radeonfb_brightness_down, TRUE);
952
953 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
954
955 PRINTREG(RADEON_CRTC_EXT_CNTL);
956 PRINTREG(RADEON_CRTC_GEN_CNTL);
957 PRINTREG(RADEON_CRTC2_GEN_CNTL);
958 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
959 PRINTREG(RADEON_DAC_CNTL2);
960
961 return;
962
963 error:
964 if (sc->sc_biossz)
965 free(sc->sc_bios, M_DEVBUF);
966
967 if (sc->sc_regsz)
968 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
969
970 if (sc->sc_memsz)
971 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
972 }
973
974 static void
975 radeonfb_map(struct radeonfb_softc *sc)
976 {
977 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
978 &sc->sc_regh) != 0) {
979 aprint_error("%s: unable to map registers!\n", XNAME(sc));
980 return;
981 }
982 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
983 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
984 sc->sc_memsz = 0;
985 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
986 return;
987 }
988 }
989
990 static void
991 radeonfb_unmap(struct radeonfb_softc *sc)
992 {
993 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
994 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
995 }
996
997 static int
998 radeonfb_drm_print(void *aux, const char *pnp)
999 {
1000 if (pnp)
1001 aprint_normal("drm at %s", pnp);
1002 return (UNCONF);
1003 }
1004
1005 int
1006 radeonfb_ioctl(void *v, void *vs,
1007 unsigned long cmd, void *d, int flag, struct lwp *l)
1008 {
1009 struct vcons_data *vd;
1010 struct radeonfb_display *dp;
1011 struct radeonfb_softc *sc;
1012 struct wsdisplay_param *param;
1013
1014 vd = (struct vcons_data *)v;
1015 dp = (struct radeonfb_display *)vd->cookie;
1016 sc = dp->rd_softc;
1017
1018 switch (cmd) {
1019 case WSDISPLAYIO_GTYPE:
1020 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
1021 return 0;
1022
1023 case WSDISPLAYIO_GINFO:
1024 if (vd->active != NULL) {
1025 struct wsdisplay_fbinfo *fb;
1026 fb = (struct wsdisplay_fbinfo *)d;
1027 fb->width = dp->rd_virtx;
1028 fb->height = dp->rd_virty;
1029 fb->depth = dp->rd_bpp;
1030 fb->cmsize = 256;
1031 return 0;
1032 } else
1033 return ENODEV;
1034 case WSDISPLAYIO_GVIDEO:
1035 if (radeonfb_isblank(dp))
1036 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1037 else
1038 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1039 return 0;
1040
1041 case WSDISPLAYIO_SVIDEO:
1042 radeonfb_blank(dp,
1043 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1044 return 0;
1045
1046 case WSDISPLAYIO_GETCMAP:
1047 #if 0
1048 if (dp->rd_bpp == 8)
1049 return radeonfb_getcmap(sc,
1050 (struct wsdisplay_cmap *)d);
1051 #endif
1052 return EINVAL;
1053
1054 case WSDISPLAYIO_PUTCMAP:
1055 #if 0
1056 if (dp->rd_bpp == 8)
1057 return radeonfb_putcmap(sc,
1058 (struct wsdisplay_cmap *)d);
1059 #endif
1060 return EINVAL;
1061
1062 case WSDISPLAYIO_LINEBYTES:
1063 *(unsigned *)d = dp->rd_stride;
1064 return 0;
1065
1066 case WSDISPLAYIO_SMODE:
1067 if (*(int *)d != dp->rd_wsmode) {
1068 dp->rd_wsmode = *(int *)d;
1069 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1070 (dp->rd_vd.active)) {
1071 radeonfb_map(sc);
1072 radeonfb_engine_init(dp);
1073 glyphcache_wipe(&dp->rd_gc);
1074 radeonfb_init_palette(sc, dp == &sc->sc_displays[0] ? 0 : 1);
1075 radeonfb_modeswitch(dp);
1076 vcons_redraw_screen(dp->rd_vd.active);
1077 } else {
1078 radeonfb_unmap(sc);
1079 }
1080 }
1081 return 0;
1082
1083 case WSDISPLAYIO_GCURMAX:
1084 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1085 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1086 return 0;
1087
1088 case WSDISPLAYIO_SCURSOR:
1089 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1090
1091 case WSDISPLAYIO_GCURSOR:
1092 return EPASSTHROUGH;
1093
1094 case WSDISPLAYIO_GCURPOS:
1095 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1096 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1097 return 0;
1098
1099 case WSDISPLAYIO_SCURPOS:
1100 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1101
1102 case WSDISPLAYIO_SSPLASH:
1103 #if defined(SPLASHSCREEN)
1104 if (*(int *)d == 1) {
1105 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1106 splash_render(&dp->rd_splash,
1107 SPLASH_F_CENTER|SPLASH_F_FILL);
1108 } else
1109 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1110 return 0;
1111 #else
1112 return ENODEV;
1113 #endif
1114 case WSDISPLAYIO_GETPARAM:
1115 param = (struct wsdisplay_param *)d;
1116 switch (param->param) {
1117 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1118 param->min = 0;
1119 param->max = 255;
1120 param->curval = dp->rd_bl_level;
1121 return 0;
1122 case WSDISPLAYIO_PARAM_BACKLIGHT:
1123 param->min = 0;
1124 param->max = RADEONFB_BACKLIGHT_MAX;
1125 param->curval = dp->rd_bl_on;
1126 return 0;
1127 }
1128 return EPASSTHROUGH;
1129
1130 case WSDISPLAYIO_SETPARAM:
1131 param = (struct wsdisplay_param *)d;
1132 switch (param->param) {
1133 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1134 radeonfb_set_backlight(dp, param->curval);
1135 return 0;
1136 case WSDISPLAYIO_PARAM_BACKLIGHT:
1137 radeonfb_switch_backlight(dp, param->curval);
1138 return 0;
1139 }
1140 return EPASSTHROUGH;
1141
1142 /* PCI config read/write passthrough. */
1143 case PCI_IOC_CFGREAD:
1144 case PCI_IOC_CFGWRITE:
1145 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1146
1147 case WSDISPLAYIO_GET_BUSID:
1148 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1149 sc->sc_pt, d);
1150
1151 case WSDISPLAYIO_GET_EDID: {
1152 struct wsdisplayio_edid_info *ei = d;
1153 return wsdisplayio_get_edid(sc->sc_dev, ei);
1154 }
1155
1156 default:
1157 return EPASSTHROUGH;
1158 }
1159 }
1160
1161 paddr_t
1162 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1163 {
1164 struct vcons_data *vd;
1165 struct radeonfb_display *dp;
1166 struct radeonfb_softc *sc;
1167 paddr_t pa;
1168
1169 vd = (struct vcons_data *)v;
1170 dp = (struct radeonfb_display *)vd->cookie;
1171 sc = dp->rd_softc;
1172
1173 /* XXX: note that we don't allow mapping of registers right now */
1174 /* XXX: this means that the XFree86 radeon driver won't work */
1175 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1176 pa = bus_space_mmap(sc->sc_memt,
1177 sc->sc_memaddr + dp->rd_offset + offset, 0,
1178 prot, BUS_SPACE_MAP_LINEAR);
1179 return pa;
1180 }
1181
1182 #ifdef RADEONFB_MMAP_BARS
1183 /*
1184 * restrict all other mappings to processes with superuser privileges
1185 * or the kernel itself
1186 */
1187 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1188 NULL, NULL, NULL, NULL) != 0) {
1189 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1190 return -1;
1191 }
1192
1193 if ((offset >= sc->sc_regaddr) &&
1194 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1195 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1196 BUS_SPACE_MAP_LINEAR);
1197 }
1198
1199 if ((offset >= sc->sc_memaddr) &&
1200 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1201 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1202 BUS_SPACE_MAP_LINEAR);
1203 }
1204
1205 if ((offset >= sc->sc_romaddr) &&
1206 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1207 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1208 BUS_SPACE_MAP_LINEAR);
1209 }
1210
1211 #ifdef PCI_MAGIC_IO_RANGE
1212 /* allow mapping of IO space */
1213 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1214 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1215 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1216 0, prot, 0);
1217 return pa;
1218 }
1219 #endif /* PCI_MAGIC_IO_RANGE */
1220
1221 #endif /* RADEONFB_MMAP_BARS */
1222
1223 return -1;
1224 }
1225
1226 static void
1227 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1228 {
1229 bus_space_tag_t romt;
1230 bus_space_handle_t romh, biosh;
1231 bus_size_t romsz;
1232 bus_addr_t ptr;
1233
1234 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1235 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1236 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1237 return;
1238 }
1239
1240 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1241 &sc->sc_biossz);
1242 if (sc->sc_biossz == 0) {
1243 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1244 return;
1245 }
1246
1247 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1248 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1249
1250 /* unmap the PCI expansion rom */
1251 bus_space_unmap(romt, romh, romsz);
1252
1253 /* turn off rom decoder now */
1254 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1255 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1256 ~PCI_MAPREG_ROM_ENABLE);
1257
1258 ptr = GETBIOS16(sc, 0x48);
1259 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1260 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1261 sc->sc_flags |= RFB_ATOM;
1262 }
1263
1264 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1265 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1266 }
1267
1268
1269 uint32_t
1270 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1271 {
1272
1273 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1274 }
1275
1276 void
1277 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1278 {
1279
1280 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1281 }
1282
1283 void
1284 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1285 {
1286
1287 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1288 }
1289
1290 void
1291 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1292 uint32_t andmask, uint32_t ormask)
1293 {
1294 int s;
1295 uint32_t val;
1296
1297 s = splhigh();
1298 val = radeonfb_get32(sc, reg);
1299 val = (val & andmask) | ormask;
1300 radeonfb_put32(sc, reg, val);
1301 splx(s);
1302 }
1303
1304 uint32_t
1305 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1306 {
1307 int s;
1308 uint32_t val;
1309
1310 s = splhigh();
1311 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1312 val = radeonfb_get32(sc, RADEON_MM_DATA);
1313 splx(s);
1314
1315 return (val);
1316 }
1317
1318 void
1319 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1320 {
1321 int s;
1322
1323 s = splhigh();
1324 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1325 radeonfb_put32(sc, RADEON_MM_DATA, val);
1326 splx(s);
1327 }
1328
1329 void
1330 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1331 uint32_t andmask, uint32_t ormask)
1332 {
1333 int s;
1334 uint32_t val;
1335
1336 s = splhigh();
1337 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1338 val = radeonfb_get32(sc, RADEON_MM_DATA);
1339 val = (val & andmask) | ormask;
1340 radeonfb_put32(sc, RADEON_MM_DATA, val);
1341 splx(s);
1342 }
1343
1344 uint32_t
1345 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1346 {
1347 int s;
1348 uint32_t val;
1349
1350 s = splhigh();
1351 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
1352 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1353 if (HAS_R300CG(sc))
1354 radeonfb_r300cg_workaround(sc);
1355 splx(s);
1356
1357 return (val);
1358 }
1359
1360 void
1361 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1362 {
1363 int s;
1364
1365 s = splhigh();
1366 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1367 RADEON_PLL_WR_EN);
1368 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1369 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1370 splx(s);
1371 }
1372
1373 void
1374 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1375 uint32_t andmask, uint32_t ormask)
1376 {
1377 int s;
1378 uint32_t val;
1379
1380 s = splhigh();
1381 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1382 RADEON_PLL_WR_EN);
1383 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1384 val = (val & andmask) | ormask;
1385 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1386 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1387 splx(s);
1388 }
1389
1390 int
1391 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1392 {
1393 uint32_t saved;
1394
1395 saved = GET32(sc, reg);
1396 PUT32(sc, reg, v);
1397 if (GET32(sc, reg) != v) {
1398 return -1;
1399 }
1400 PUT32(sc, reg, saved);
1401 return 0;
1402 }
1403
1404 uintmax_t
1405 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1406 uintmax_t defval)
1407 {
1408 prop_number_t pn;
1409 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1410 if (pn == NULL) {
1411 return defval;
1412 }
1413 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1414 return (prop_number_integer_value(pn));
1415 }
1416
1417 int
1418 radeonfb_getclocks(struct radeonfb_softc *sc)
1419 {
1420 bus_addr_t ptr;
1421 int refclk = 0;
1422 int refdiv = 0;
1423 int minpll = 0;
1424 int maxpll = 0;
1425
1426 /* load initial property values if port/board provides them */
1427 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1428 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1429 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1430 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1431
1432 if (refclk && refdiv && minpll && maxpll)
1433 goto dontprobe;
1434
1435 if (!sc->sc_biossz) {
1436 /* no BIOS */
1437 aprint_verbose("%s: No video BIOS, using default clocks\n",
1438 XNAME(sc));
1439 if (IS_IGP(sc))
1440 refclk = refclk ? refclk : 1432;
1441 else
1442 refclk = refclk ? refclk : 2700;
1443 refdiv = refdiv ? refdiv : 12;
1444 minpll = minpll ? minpll : 12500;
1445 maxpll = maxpll ? maxpll : 35000;
1446 } else if (IS_ATOM(sc)) {
1447 /* ATOM BIOS */
1448 ptr = GETBIOS16(sc, 0x48);
1449 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1450 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1451 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1452 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1453 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1454 /*
1455 * ATOM BIOS doesn't supply a reference divider, so we
1456 * have to probe for it.
1457 */
1458 if (refdiv < 2)
1459 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1460 RADEON_PPLL_REF_DIV_MASK;
1461 /*
1462 * if probe is zero, just assume one that should work
1463 * for most parts
1464 */
1465 if (refdiv < 2)
1466 refdiv = 12;
1467
1468 } else {
1469 /* Legacy BIOS */
1470 ptr = GETBIOS16(sc, 0x48);
1471 ptr = GETBIOS16(sc, ptr + 0x30);
1472 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1473 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1474 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1475 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1476 }
1477
1478
1479 dontprobe:
1480 sc->sc_refclk = refclk * 10;
1481 sc->sc_refdiv = refdiv;
1482 sc->sc_minpll = minpll * 10;
1483 sc->sc_maxpll = maxpll * 10;
1484 return 0;
1485 }
1486
1487 int
1488 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1489 uint32_t *postdivbit, uint32_t *feedbackdiv)
1490 {
1491 int i;
1492 uint32_t outfreq;
1493 int div;
1494
1495 DPRINTF(("dot clock: %u\n", dotclock));
1496 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1497 outfreq = div * dotclock;
1498 if ((outfreq >= sc->sc_minpll) &&
1499 (outfreq <= sc->sc_maxpll)) {
1500 DPRINTF(("outfreq: %u\n", outfreq));
1501 *postdivbit =
1502 ((uint32_t)radeonfb_dividers[i].mask << 16);
1503 DPRINTF(("post divider: %d (mask %x)\n", div,
1504 *postdivbit));
1505 break;
1506 }
1507 }
1508
1509 if (div == 0)
1510 return 1;
1511
1512 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1513 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1514 return 0;
1515 }
1516
1517 #if 0
1518 #ifdef RADEONFB_DEBUG
1519 static void
1520 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1521 {
1522 char asc[17];
1523 unsigned ptr = (unsigned)buffer;
1524 char *start = (char *)(ptr & ~0xf);
1525 char *end = (char *)(ptr + size);
1526
1527 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1528
1529 if (pfx == NULL) {
1530 pfx = "";
1531 }
1532
1533 while (start < end) {
1534 unsigned offset = (unsigned)start & 0xf;
1535 if (offset == 0) {
1536 printf("%s%x: ", pfx, (unsigned)start);
1537 }
1538 if (((unsigned)start < ptr) ||
1539 ((unsigned)start >= (ptr + size))) {
1540 printf(" ");
1541 asc[offset] = ' ';
1542 } else {
1543 printf("%02x", *(unsigned char *)start);
1544 if ((*start >= ' ') && (*start <= '~')) {
1545 asc[offset] = *start;
1546 } else {
1547 asc[offset] = '.';
1548 }
1549 }
1550 asc[offset + 1] = 0;
1551 if (offset % 2) {
1552 printf(" ");
1553 }
1554 if (offset == 15) {
1555 printf(" %s\n", asc);
1556 }
1557 start++;
1558 }
1559 }
1560 #endif
1561 #endif
1562
1563 int
1564 radeonfb_getconnectors(struct radeonfb_softc *sc)
1565 {
1566 int i;
1567 int found = 0;
1568
1569 for (i = 0; i < 2; i++) {
1570 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1571 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1572 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1573 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1574 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1575 }
1576
1577 /*
1578 * This logic is borrowed from Xorg's radeon driver.
1579 */
1580 if (!sc->sc_biossz)
1581 goto nobios;
1582
1583 if (IS_ATOM(sc)) {
1584 /* not done yet */
1585 } else {
1586 uint16_t ptr;
1587 int port = 0;
1588
1589 ptr = GETBIOS16(sc, 0x48);
1590 ptr = GETBIOS16(sc, ptr + 0x50);
1591 for (i = 1; i < 4; i++) {
1592 uint16_t entry;
1593 uint8_t conn, ddc, dac, tmds;
1594
1595 /*
1596 * Parse the connector table. From reading the code,
1597 * it appears to made up of 16-bit entries for each
1598 * connector. The 16-bits are defined as:
1599 *
1600 * bits 12-15 - connector type (0 == end of table)
1601 * bits 8-11 - DDC type
1602 * bits 5-7 - ???
1603 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1604 * bits 1-3 - ???
1605 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1606 */
1607 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1608 break;
1609 entry = GETBIOS16(sc, ptr + i * 2);
1610
1611 conn = (entry >> 12) & 0xf;
1612 ddc = (entry >> 8) & 0xf;
1613 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1614 RADEON_DAC_PRIMARY;
1615 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1616 RADEON_TMDS_INT;
1617
1618 if (conn == RADEON_CONN_NONE)
1619 continue; /* no connector */
1620
1621 if ((found > 0) &&
1622 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1623 /* duplicate entry for same connector */
1624 continue;
1625 }
1626
1627 /* internal DDC_DVI port gets priority */
1628 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1629 port = 0;
1630 else
1631 port = 1;
1632
1633 sc->sc_ports[port].rp_ddc_type =
1634 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1635 sc->sc_ports[port].rp_dac_type = dac;
1636 sc->sc_ports[port].rp_conn_type =
1637 min(conn, RADEON_CONN_UNSUPPORTED) ;
1638
1639 sc->sc_ports[port].rp_tmds_type = tmds;
1640
1641 if ((conn != RADEON_CONN_DVI_I) &&
1642 (conn != RADEON_CONN_DVI_D) &&
1643 (tmds == RADEON_TMDS_INT))
1644 sc->sc_ports[port].rp_tmds_type =
1645 RADEON_TMDS_UNKNOWN;
1646
1647 found += (port + 1);
1648 }
1649 }
1650
1651 nobios:
1652 if (!found) {
1653 DPRINTF(("No connector info in BIOS!\n"));
1654 /* default, port 0 = internal TMDS, port 1 = CRT */
1655 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1656 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1657 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1658 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1659 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1660
1661 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1662 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1663 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1664 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1665 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1666 }
1667
1668 /*
1669 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1670 * these chips should use TVDAC for the VGA port.
1671 */
1672 if (HAS_SDAC(sc)) {
1673 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1674 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1675 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1676 } else {
1677 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1678 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1679 }
1680 } else if (!HAS_CRTC2(sc)) {
1681 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1682 }
1683
1684 for (i = 0; i < 2; i++) {
1685 char edid[128];
1686 uint8_t ddc;
1687 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1688 prop_data_t edid_data;
1689
1690 DPRINTF(("Port #%d:\n", i));
1691 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1692 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1693 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1694 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1695
1696 sc->sc_ports[i].rp_edid_valid = 0;
1697 /* first look for static EDID data */
1698 if ((edid_data = prop_dictionary_get(device_properties(
1699 sc->sc_dev), "EDID")) != NULL) {
1700
1701 aprint_normal_dev(sc->sc_dev, "using static EDID\n");
1702 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1703 if (edid_parse(edid, eip) == 0) {
1704
1705 sc->sc_ports[i].rp_edid_valid = 1;
1706 }
1707 }
1708 /* if we didn't find any we'll try to talk to the monitor */
1709 if (sc->sc_ports[i].rp_edid_valid != 1) {
1710
1711 ddc = sc->sc_ports[i].rp_ddc_type;
1712 if (ddc != RADEON_DDC_NONE) {
1713 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1714 == 0) && (edid_parse(edid, eip) == 0)) {
1715
1716 sc->sc_ports[i].rp_edid_valid = 1;
1717 #ifdef RADEONFB_DEBUG
1718 edid_print(eip);
1719 #endif
1720 }
1721 }
1722 }
1723 }
1724
1725 return found;
1726 }
1727
1728 int
1729 radeonfb_gettmds(struct radeonfb_softc *sc)
1730 {
1731 int i;
1732
1733 if (!sc->sc_biossz) {
1734 goto nobios;
1735 }
1736
1737 if (IS_ATOM(sc)) {
1738 /* XXX: not done yet */
1739 } else {
1740 uint16_t ptr;
1741 int n;
1742
1743 ptr = GETBIOS16(sc, 0x48);
1744 ptr = GETBIOS16(sc, ptr + 0x34);
1745 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1746 if (GETBIOS8(sc, ptr) == 3) {
1747 /* revision three table */
1748 n = GETBIOS8(sc, ptr + 5) + 1;
1749 n = min(n, 4);
1750
1751 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1752 for (i = 0; i < n; i++) {
1753 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1754 ptr + i * 10 + 8);
1755 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1756 ptr + i * 10 + 0x10);
1757 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1758 sc->sc_tmds_pll[i].rtp_freq,
1759 sc->sc_tmds_pll[i].rtp_pll));
1760 }
1761 return 0;
1762 }
1763 }
1764
1765 nobios:
1766 DPRINTF(("no suitable DFP table present\n"));
1767 for (i = 0;
1768 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1769 i++) {
1770 int j;
1771
1772 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1773 continue;
1774
1775 for (j = 0; j < 4; j++) {
1776 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1777 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1778 sc->sc_tmds_pll[j].rtp_freq,
1779 sc->sc_tmds_pll[j].rtp_pll));
1780 }
1781 return 0;
1782 }
1783
1784 return -1;
1785 }
1786
1787 const struct videomode *
1788 radeonfb_modelookup(const char *name)
1789 {
1790 int i;
1791
1792 for (i = 0; i < videomode_count; i++)
1793 if (!strcmp(name, videomode_list[i].name))
1794 return &videomode_list[i];
1795
1796 return NULL;
1797 }
1798
1799 void
1800 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1801 {
1802 if (crtc) {
1803 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1804 RADEON_P2PLL_ATOMIC_UPDATE_R);
1805 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1806 } else {
1807 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1808 RADEON_PPLL_ATOMIC_UPDATE_R);
1809 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1810 }
1811 }
1812
1813 void
1814 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1815 {
1816 int i;
1817
1818 for (i = 10000; i; i--) {
1819 if (crtc) {
1820 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1821 RADEON_P2PLL_ATOMIC_UPDATE_R)
1822 break;
1823 } else {
1824 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1825 RADEON_PPLL_ATOMIC_UPDATE_R)
1826 break;
1827 }
1828 }
1829 }
1830
1831 void
1832 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1833 {
1834 uint32_t pbit = 0;
1835 uint32_t feed = 0;
1836 uint32_t data;
1837 #if 1
1838 int i;
1839 #endif
1840
1841 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1842
1843 if (crtc == 0) {
1844
1845 /* XXXX: mobility workaround missing */
1846 /* XXXX: R300 stuff missing */
1847
1848 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1849 RADEON_VCLK_SRC_SEL_CPUCLK,
1850 ~RADEON_VCLK_SRC_SEL_MASK);
1851
1852 /* put vclk into reset, use atomic updates */
1853 SETPLL(sc, RADEON_PPLL_CNTL,
1854 RADEON_PPLL_REFCLK_SEL |
1855 RADEON_PPLL_FBCLK_SEL |
1856 RADEON_PPLL_RESET |
1857 RADEON_PPLL_ATOMIC_UPDATE_EN |
1858 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1859
1860 /* select clock 3 */
1861 #if 0
1862 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
1863 ~RADEON_PLL_DIV_SEL);
1864 #else
1865 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1866 ~RADEON_PLL_DIV_SEL);
1867 #endif
1868
1869 /* XXX: R300 family -- program divider differently? */
1870
1871 /* program reference divider */
1872 PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
1873 ~RADEON_PPLL_REF_DIV_MASK);
1874 PRINTPLL(RADEON_PPLL_REF_DIV);
1875
1876 #if 0
1877 data = GETPLL(sc, RADEON_PPLL_DIV_3);
1878 data &= ~(RADEON_PPLL_FB3_DIV_MASK |
1879 RADEON_PPLL_POST3_DIV_MASK);
1880 data |= pbit;
1881 data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1882 PUTPLL(sc, RADEON_PPLL_DIV_3, data);
1883 #else
1884 for (i = 0; i < 4; i++) {
1885 }
1886 #endif
1887
1888 /* use the atomic update */
1889 radeonfb_pllwriteupdate(sc, crtc);
1890
1891 /* and wait for it to complete */
1892 radeonfb_pllwaitatomicread(sc, crtc);
1893
1894 /* program HTOTAL (why?) */
1895 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1896
1897 /* drop reset */
1898 CLRPLL(sc, RADEON_PPLL_CNTL,
1899 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
1900 RADEON_PPLL_ATOMIC_UPDATE_EN |
1901 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1902
1903 PRINTPLL(RADEON_PPLL_CNTL);
1904
1905 /* give clock time to lock */
1906 delay(50000);
1907
1908 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1909 RADEON_VCLK_SRC_SEL_PPLLCLK,
1910 ~RADEON_VCLK_SRC_SEL_MASK);
1911
1912 } else {
1913
1914 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1915 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
1916 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1917
1918 /* put vclk into reset, use atomic updates */
1919 SETPLL(sc, RADEON_P2PLL_CNTL,
1920 RADEON_P2PLL_RESET |
1921 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1922 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1923
1924 /* XXX: R300 family -- program divider differently? */
1925
1926 /* program reference divider */
1927 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
1928 ~RADEON_P2PLL_REF_DIV_MASK);
1929
1930 /* program feedback and post dividers */
1931 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
1932 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
1933 RADEON_P2PLL_POST0_DIV_MASK);
1934 data |= pbit;
1935 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
1936 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
1937
1938 /* use the atomic update */
1939 radeonfb_pllwriteupdate(sc, crtc);
1940
1941 /* and wait for it to complete */
1942 radeonfb_pllwaitatomicread(sc, crtc);
1943
1944 /* program HTOTAL (why?) */
1945 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
1946
1947 /* drop reset */
1948 CLRPLL(sc, RADEON_P2PLL_CNTL,
1949 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
1950 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1951 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1952
1953 /* allow time for clock to lock */
1954 delay(50000);
1955
1956 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1957 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
1958 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1959 }
1960 PRINTREG(RADEON_CRTC_MORE_CNTL);
1961 }
1962
1963 void
1964 radeonfb_modeswitch(struct radeonfb_display *dp)
1965 {
1966 struct radeonfb_softc *sc = dp->rd_softc;
1967 int i;
1968
1969 /* blank the display while we switch modes */
1970 radeonfb_blank(dp, 1);
1971
1972 #if 0
1973 SET32(sc, RADEON_CRTC_EXT_CNTL,
1974 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1975 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1976 #endif
1977
1978 /* these registers might get in the way... */
1979 PUT32(sc, RADEON_OVR_CLR, 0);
1980 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
1981 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
1982 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
1983 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
1984 PUT32(sc, RADEON_VIPH_CONTROL, 0);
1985 PUT32(sc, RADEON_I2C_CNTL_1, 0);
1986 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
1987 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
1988 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
1989 PUT32(sc, RADEON_SURFACE_CNTL, 0);
1990
1991 for (i = 0; i < dp->rd_ncrtcs; i++)
1992 radeonfb_setcrtc(dp, i);
1993
1994 /* activate the display */
1995 radeonfb_blank(dp, 0);
1996 }
1997
1998 void
1999 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
2000 {
2001 int crtc;
2002 struct videomode *mode;
2003 struct radeonfb_softc *sc;
2004 struct radeonfb_crtc *cp;
2005 uint32_t v;
2006 uint32_t gencntl;
2007 uint32_t htotaldisp;
2008 uint32_t hsyncstrt;
2009 uint32_t vtotaldisp;
2010 uint32_t vsyncstrt;
2011 uint32_t fphsyncstrt;
2012 uint32_t fpvsyncstrt;
2013 uint32_t fphtotaldisp;
2014 uint32_t fpvtotaldisp;
2015 uint32_t pitch;
2016
2017 sc = dp->rd_softc;
2018 cp = &dp->rd_crtcs[index];
2019 crtc = cp->rc_number;
2020 mode = &cp->rc_videomode;
2021
2022 #if 1
2023 pitch = dp->rd_stride / dp->rd_bpp;
2024 #else
2025 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
2026 (sc->sc_maxbpp * 8));
2027 #endif
2028 switch (crtc) {
2029 case 0:
2030 gencntl = RADEON_CRTC_GEN_CNTL;
2031 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
2032 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
2033 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
2034 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2035 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2036 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2037 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2038 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2039 break;
2040 case 1:
2041 gencntl = RADEON_CRTC2_GEN_CNTL;
2042 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2043 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2044 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2045 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2046 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2047 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2048 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
2049 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
2050 break;
2051 default:
2052 panic("Bad CRTC!");
2053 break;
2054 }
2055
2056 /*
2057 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2058 */
2059 /* only bother with 32bpp and 8bpp */
2060 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2061
2062 if (crtc == 1) {
2063 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2064 } else {
2065 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2066 }
2067
2068 if (mode->flags & VID_DBLSCAN)
2069 v |= RADEON_CRTC2_DBL_SCAN_EN;
2070
2071 if (mode->flags & VID_INTERLACE)
2072 v |= RADEON_CRTC2_INTERLACE_EN;
2073
2074 if (mode->flags & VID_CSYNC) {
2075 v |= RADEON_CRTC2_CSYNC_EN;
2076 if (crtc == 1)
2077 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2078 }
2079
2080 PUT32(sc, gencntl, v);
2081 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2082
2083 /*
2084 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2085 */
2086 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2087 if (crtc == 0) {
2088 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2089 RADEON_CRTC_DISPLAY_DIS);
2090 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2091 if (mode->flags & VID_CSYNC)
2092 v |= RADEON_CRTC_VSYNC_TRISTAT;
2093 }
2094 /* unconditional turn on CRT, in case first CRTC is DFP */
2095 v |= RADEON_CRTC_CRT_ON;
2096 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2097 PRINTREG(RADEON_CRTC_EXT_CNTL);
2098
2099 /*
2100 * H_TOTAL_DISP
2101 */
2102 v = ((mode->hdisplay / 8) - 1) << 16;
2103 v |= (mode->htotal / 8) - 1;
2104 PUT32(sc, htotaldisp, v);
2105 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2106 PUT32(sc, fphtotaldisp, v);
2107 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2108
2109 /*
2110 * H_SYNC_STRT_WID
2111 */
2112 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2113 v |= mode->hsync_start;
2114 if (mode->flags & VID_NHSYNC)
2115 v |= RADEON_CRTC_H_SYNC_POL;
2116 PUT32(sc, hsyncstrt, v);
2117 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2118 PUT32(sc, fphsyncstrt, v);
2119 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2120
2121 /*
2122 * V_TOTAL_DISP
2123 */
2124 v = ((mode->vdisplay - 1) << 16);
2125 v |= (mode->vtotal - 1);
2126 PUT32(sc, vtotaldisp, v);
2127 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2128 PUT32(sc, fpvtotaldisp, v);
2129 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2130
2131 /*
2132 * V_SYNC_STRT_WID
2133 */
2134 v = ((mode->vsync_end - mode->vsync_start) << 16);
2135 v |= (mode->vsync_start - 1);
2136 if (mode->flags & VID_NVSYNC)
2137 v |= RADEON_CRTC_V_SYNC_POL;
2138 PUT32(sc, vsyncstrt, v);
2139 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2140 PUT32(sc, fpvsyncstrt, v);
2141 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2142
2143 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2144
2145 switch (crtc) {
2146 case 0:
2147 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2148 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2149 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2150 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2151
2152 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2153 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2154 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2155 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2156 PRINTREG(RADEON_CRTC_EXT_CNTL);
2157 PRINTREG(RADEON_CRTC_GEN_CNTL);
2158 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2159 break;
2160
2161 case 1:
2162 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2163 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2164 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2165 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2166 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2167 RADEON_CRTC2_VSYNC_DIS |
2168 RADEON_CRTC2_HSYNC_DIS |
2169 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2170 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2171 break;
2172 }
2173 }
2174
2175 int
2176 radeonfb_isblank(struct radeonfb_display *dp)
2177 {
2178 uint32_t reg, mask;
2179
2180 if (dp->rd_crtcs[0].rc_number) {
2181 reg = RADEON_CRTC2_GEN_CNTL;
2182 mask = RADEON_CRTC2_DISP_DIS;
2183 } else {
2184 reg = RADEON_CRTC_EXT_CNTL;
2185 mask = RADEON_CRTC_DISPLAY_DIS;
2186 }
2187 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2188 }
2189
2190 void
2191 radeonfb_blank(struct radeonfb_display *dp, int blank)
2192 {
2193 struct radeonfb_softc *sc = dp->rd_softc;
2194 uint32_t reg, mask;
2195 uint32_t fpreg, fpval;
2196 int i;
2197
2198 for (i = 0; i < dp->rd_ncrtcs; i++) {
2199
2200 if (dp->rd_crtcs[i].rc_number) {
2201 reg = RADEON_CRTC2_GEN_CNTL;
2202 mask = RADEON_CRTC2_DISP_DIS;
2203 fpreg = RADEON_FP2_GEN_CNTL;
2204 fpval = RADEON_FP2_ON;
2205 } else {
2206 reg = RADEON_CRTC_EXT_CNTL;
2207 mask = RADEON_CRTC_DISPLAY_DIS;
2208 fpreg = RADEON_FP_GEN_CNTL;
2209 fpval = RADEON_FP_FPON;
2210 }
2211
2212 if (blank) {
2213 SET32(sc, reg, mask);
2214 CLR32(sc, fpreg, fpval);
2215 } else {
2216 CLR32(sc, reg, mask);
2217 SET32(sc, fpreg, fpval);
2218 }
2219 }
2220 PRINTREG(RADEON_FP_GEN_CNTL);
2221 PRINTREG(RADEON_FP2_GEN_CNTL);
2222 }
2223
2224 void
2225 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2226 long *defattr)
2227 {
2228 struct radeonfb_display *dp = cookie;
2229 struct rasops_info *ri = &scr->scr_ri;
2230
2231 /* initialize font subsystem */
2232 wsfont_init();
2233
2234 DPRINTF(("init screen called, existing %d\n", existing));
2235
2236 ri->ri_depth = dp->rd_bpp;
2237 ri->ri_width = dp->rd_virtx;
2238 ri->ri_height = dp->rd_virty;
2239 ri->ri_stride = dp->rd_stride;
2240 ri->ri_flg = RI_CENTER;
2241 switch (ri->ri_depth) {
2242 case 8:
2243 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB;
2244 break;
2245 case 32:
2246 ri->ri_flg |= RI_ENABLE_ALPHA;
2247 /* we run radeons in RGB even on SPARC hardware */
2248 ri->ri_rnum = 8;
2249 ri->ri_gnum = 8;
2250 ri->ri_bnum = 8;
2251 ri->ri_rpos = 16;
2252 ri->ri_gpos = 8;
2253 ri->ri_bpos = 0;
2254 break;
2255 }
2256
2257 ri->ri_bits = (void *)dp->rd_fbptr;
2258
2259 #ifdef VCONS_DRAW_INTR
2260 scr->scr_flags |= VCONS_DONT_READ;
2261 #endif
2262
2263 if (existing) {
2264 ri->ri_flg |= RI_CLEAR;
2265
2266 /* start a modeswitch now */
2267 radeonfb_modeswitch(dp);
2268 }
2269
2270 /*
2271 * XXX: font selection should be based on properties, with some
2272 * normal/reasonable default.
2273 */
2274
2275 /* initialize and look for an initial font */
2276 rasops_init(ri, 0, 0);
2277 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
2278 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE;
2279
2280 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2281 dp->rd_virtx / ri->ri_font->fontwidth);
2282
2283 /* enable acceleration */
2284 dp->rd_putchar = ri->ri_ops.putchar;
2285 ri->ri_ops.copyrows = radeonfb_copyrows;
2286 ri->ri_ops.copycols = radeonfb_copycols;
2287 ri->ri_ops.eraserows = radeonfb_eraserows;
2288 ri->ri_ops.erasecols = radeonfb_erasecols;
2289 /* pick a putchar method based on font and Radeon model */
2290 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2291 /* got a bitmap font */
2292 if (IS_R300(dp->rd_softc)) {
2293 /*
2294 * radeonfb_putchar() doesn't work right on some R3xx
2295 * so we use software drawing here, the wrapper just
2296 * makes sure the engine is idle before scribbling
2297 * into vram
2298 */
2299 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2300 } else {
2301 ri->ri_ops.putchar = radeonfb_putchar;
2302 }
2303 } else {
2304 /* got an alpha font */
2305 switch(ri->ri_depth) {
2306 case 32:
2307 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2308 break;
2309 case 8:
2310 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2311 break;
2312 default:
2313 /* XXX this should never happen */
2314 panic("%s: depth is not 8 or 32 but we got an" \
2315 " alpha font?!", __func__);
2316 }
2317 }
2318 ri->ri_ops.cursor = radeonfb_cursor;
2319 }
2320
2321 void
2322 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2323 {
2324 uint32_t gen, ext, gen2 = 0;
2325 uint32_t agploc, aperbase, apersize, mcfbloc;
2326
2327 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2328 ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
2329 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2330 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2331 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2332
2333 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2334 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2335 #if 0
2336 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2337 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2338 #endif
2339
2340 if (HAS_CRTC2(sc)) {
2341 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2342 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2343 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2344 }
2345
2346 delay(100000);
2347
2348 mcfbloc = (aperbase >> 16) |
2349 ((aperbase + (apersize - 1)) & 0xffff0000);
2350
2351 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2352 sc->sc_memsz = apersize;
2353
2354 if (((agploc & 0xffff) << 16) !=
2355 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2356 agploc = mcfbloc & 0xffff0000U;
2357 agploc |= ((agploc + 0x10000) >> 16);
2358 }
2359
2360 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2361
2362 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2363 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2364
2365 DPRINTF(("aperbase = %u\n", aperbase));
2366 PRINTREG(RADEON_MC_FB_LOCATION);
2367 PRINTREG(RADEON_MC_AGP_LOCATION);
2368
2369 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2370
2371 if (HAS_CRTC2(sc))
2372 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2373
2374 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2375
2376 #if 0
2377 /* XXX: what is this AGP garbage? :-) */
2378 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2379 #endif
2380
2381 delay(100000);
2382
2383 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2384 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2385
2386 if (HAS_CRTC2(sc))
2387 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2388 }
2389
2390 void
2391 radeonfb_init_misc(struct radeonfb_softc *sc)
2392 {
2393 PUT32(sc, RADEON_BUS_CNTL,
2394 RADEON_BUS_MASTER_DIS |
2395 RADEON_BUS_PREFETCH_MODE_ACT |
2396 RADEON_BUS_PCI_READ_RETRY_EN |
2397 RADEON_BUS_PCI_WRT_RETRY_EN |
2398 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2399 RADEON_BUS_MSTR_RD_MULT |
2400 RADEON_BUS_MSTR_RD_LINE |
2401 RADEON_BUS_RD_DISCARD_EN |
2402 RADEON_BUS_MSTR_DISCONNECT_EN |
2403 RADEON_BUS_READ_BURST);
2404
2405 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2406 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2407 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2408 PUT32(sc, RADEON_RBBM_CNTL,
2409 (3 << RADEON_RB_SETTLE_SHIFT) |
2410 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2411 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2412 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2413
2414 /* XXX: figure out what these mean! */
2415 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2416 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2417 #if 0
2418 PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2419 #endif
2420
2421 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2422 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2423 }
2424
2425 /*
2426 * This loads a linear color map for true color.
2427 */
2428 void
2429 radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
2430 {
2431 int i;
2432 uint32_t vclk;
2433
2434 #define DAC_WIDTH ((1 << 10) - 1)
2435 #define CLUT_WIDTH ((1 << 8) - 1)
2436 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2437
2438 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2439 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2440
2441 if (crtc)
2442 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2443 else
2444 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2445
2446 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2447 if (sc->sc_displays[crtc].rd_bpp == 0)
2448 sc->sc_displays[crtc].rd_bpp = RADEONFB_DEFAULT_DEPTH;
2449
2450 if (sc->sc_displays[crtc].rd_bpp == 8) {
2451 /* ANSI palette */
2452 int j = 0;
2453 uint32_t tmp, r, g, b;
2454
2455 for (i = 0; i <= CLUT_WIDTH; ++i) {
2456 tmp = i & 0xe0;
2457 /*
2458 * replicate bits so 0xe0 maps to a red value of 0xff
2459 * in order to make white look actually white
2460 */
2461 tmp |= (tmp >> 3) | (tmp >> 6);
2462 r = tmp;
2463
2464 tmp = (i & 0x1c) << 3;
2465 tmp |= (tmp >> 3) | (tmp >> 6);
2466 g = tmp;
2467
2468 tmp = (i & 0x03) << 6;
2469 tmp |= tmp >> 2;
2470 tmp |= tmp >> 4;
2471 b = tmp;
2472 PUT32(sc, RADEON_PALETTE_30_DATA,
2473 (r << 22) |
2474 (g << 12) |
2475 (b << 2));
2476 j += 3;
2477 }
2478 } else {
2479 /* linear ramp */
2480 for (i = 0; i <= CLUT_WIDTH; ++i) {
2481 PUT32(sc, RADEON_PALETTE_30_DATA,
2482 (CLUT_COLOR(i) << 10) |
2483 (CLUT_COLOR(i) << 20) |
2484 (CLUT_COLOR(i)));
2485 }
2486 }
2487
2488 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2489 PRINTREG(RADEON_DAC_CNTL2);
2490
2491 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2492 }
2493
2494 /*
2495 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2496 */
2497 void
2498 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2499 {
2500 uint32_t tmp, save;
2501
2502 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2503 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2504 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2505 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2506 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2507 }
2508
2509 /*
2510 * Acceleration entry points.
2511 */
2512
2513 /* this one draws characters using bitmap fonts */
2514 static void
2515 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2516 {
2517 struct rasops_info *ri = cookie;
2518 struct vcons_screen *scr = ri->ri_hw;
2519 struct radeonfb_display *dp = scr->scr_cookie;
2520 struct radeonfb_softc *sc = dp->rd_softc;
2521 struct wsdisplay_font *font = PICK_FONT(ri, c);
2522 uint32_t w, h;
2523 int xd, yd, offset, i;
2524 uint32_t bg, fg, gmc;
2525 uint32_t reg;
2526 uint8_t *data8;
2527 uint16_t *data16;
2528 void *data;
2529
2530 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2531 return;
2532
2533 if (!CHAR_IN_FONT(c, font))
2534 return;
2535
2536 w = font->fontwidth;
2537 h = font->fontheight;
2538
2539 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2540 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2541
2542 xd = ri->ri_xorigin + col * w;
2543 yd = ri->ri_yorigin + row * h;
2544
2545 if (c == 0x20) {
2546 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2547 return;
2548 }
2549 data = WSFONT_GLYPH(c, font);
2550
2551 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2552
2553 radeonfb_wait_fifo(sc, 9);
2554
2555 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2556 RADEON_GMC_BRUSH_NONE |
2557 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2558 RADEON_GMC_DST_CLIPPING |
2559 RADEON_ROP3_S |
2560 RADEON_DP_SRC_SOURCE_HOST_DATA |
2561 RADEON_GMC_CLR_CMP_CNTL_DIS |
2562 RADEON_GMC_WR_MSK_DIS |
2563 gmc);
2564
2565 PUT32(sc, RADEON_SC_LEFT, xd);
2566 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2567 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2568 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2569 PUT32(sc, RADEON_DP_CNTL,
2570 RADEON_DST_X_LEFT_TO_RIGHT |
2571 RADEON_DST_Y_TOP_TO_BOTTOM);
2572
2573 PUT32(sc, RADEON_SRC_X_Y, 0);
2574 offset = 32 - (font->stride << 3);
2575 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2576 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2577
2578 radeonfb_wait_fifo(sc, h);
2579 switch (font->stride) {
2580 case 1: {
2581 data8 = data;
2582 for (i = 0; i < h; i++) {
2583 reg = *data8;
2584 #if BYTE_ORDER == LITTLE_ENDIAN
2585 reg = reg << 24;
2586 #endif
2587 bus_space_write_stream_4(sc->sc_regt,
2588 sc->sc_regh, RADEON_HOST_DATA0, reg);
2589 data8++;
2590 }
2591 break;
2592 }
2593 case 2: {
2594 data16 = data;
2595 for (i = 0; i < h; i++) {
2596 reg = *data16;
2597 #if BYTE_ORDER == LITTLE_ENDIAN
2598 reg = reg << 16;
2599 #endif
2600 bus_space_write_stream_4(sc->sc_regt,
2601 sc->sc_regh, RADEON_HOST_DATA0, reg);
2602 data16++;
2603 }
2604 break;
2605 }
2606 }
2607 if (attr & 1)
2608 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2609 }
2610
2611 /* ... while this one is for anti-aliased ones */
2612 static void
2613 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
2614 {
2615 struct rasops_info *ri = cookie;
2616 struct vcons_screen *scr = ri->ri_hw;
2617 struct radeonfb_display *dp = scr->scr_cookie;
2618 struct radeonfb_softc *sc = dp->rd_softc;
2619 struct wsdisplay_font *font = PICK_FONT(ri, c);
2620 uint32_t bg, fg, gmc;
2621 uint8_t *data;
2622 int w, h, xd, yd;
2623 int i, r, g, b, aval;
2624 int rf, gf, bf, rb, gb, bb;
2625 uint32_t pixel;
2626 int rv;
2627
2628 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2629 return;
2630
2631 if (!CHAR_IN_FONT(c, font))
2632 return;
2633
2634 w = font->fontwidth;
2635 h = font->fontheight;
2636
2637 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2638 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2639
2640 xd = ri->ri_xorigin + col * w;
2641 yd = ri->ri_yorigin + row * h;
2642
2643 if (c == 0x20) {
2644 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2645 if (attr & 1)
2646 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2647 return;
2648 }
2649 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
2650 if (rv == GC_OK)
2651 return;
2652
2653 data = WSFONT_GLYPH(c, font);
2654
2655 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2656
2657 radeonfb_wait_fifo(sc, 5);
2658
2659 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2660 RADEON_GMC_BRUSH_NONE |
2661 RADEON_GMC_SRC_DATATYPE_COLOR |
2662 RADEON_ROP3_S |
2663 RADEON_DP_SRC_SOURCE_HOST_DATA |
2664 RADEON_GMC_CLR_CMP_CNTL_DIS |
2665 RADEON_GMC_WR_MSK_DIS |
2666 gmc);
2667
2668 PUT32(sc, RADEON_DP_CNTL,
2669 RADEON_DST_X_LEFT_TO_RIGHT |
2670 RADEON_DST_Y_TOP_TO_BOTTOM);
2671
2672 PUT32(sc, RADEON_SRC_X_Y, 0);
2673 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2674 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
2675
2676 rf = (fg >> 16) & 0xff;
2677 rb = (bg >> 16) & 0xff;
2678 gf = (fg >> 8) & 0xff;
2679 gb = (bg >> 8) & 0xff;
2680 bf = fg & 0xff;
2681 bb = bg & 0xff;
2682
2683 /*
2684 * I doubt we can upload data faster than even the slowest Radeon
2685 * could process them, especially when doing the alpha blending stuff
2686 * along the way, so just make sure there's some room in the FIFO and
2687 * then hammer away
2688 * As it turns out we can, so make periodic stops to let the FIFO
2689 * drain.
2690 */
2691 radeonfb_wait_fifo(sc, 20);
2692 for (i = 0; i < ri->ri_fontscale; i++) {
2693 aval = *data;
2694 data++;
2695 if (aval == 0) {
2696 pixel = bg;
2697 } else if (aval == 255) {
2698 pixel = fg;
2699 } else {
2700 r = aval * rf + (255 - aval) * rb;
2701 g = aval * gf + (255 - aval) * gb;
2702 b = aval * bf + (255 - aval) * bb;
2703 pixel = (r & 0xff00) << 8 |
2704 (g & 0xff00) |
2705 (b & 0xff00) >> 8;
2706 }
2707 if (i & 16)
2708 radeonfb_wait_fifo(sc, 20);
2709 PUT32(sc, RADEON_HOST_DATA0, pixel);
2710 }
2711 if (rv == GC_ADD) {
2712 glyphcache_add(&dp->rd_gc, c, xd, yd);
2713 } else
2714 if (attr & 1)
2715 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2716
2717 }
2718
2719 static void
2720 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
2721 {
2722 struct rasops_info *ri = cookie;
2723 struct vcons_screen *scr = ri->ri_hw;
2724 struct radeonfb_display *dp = scr->scr_cookie;
2725 struct radeonfb_softc *sc = dp->rd_softc;
2726 struct wsdisplay_font *font = PICK_FONT(ri, c);
2727 uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
2728 int i, x, y, wi, he, r, g, b, aval;
2729 int r1, g1, b1, r0, g0, b0, fgo, bgo;
2730 uint8_t *data8;
2731 int rv, cnt;
2732
2733 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2734 return;
2735
2736 if (!CHAR_IN_FONT(c, font))
2737 return;
2738
2739 wi = font->fontwidth;
2740 he = font->fontheight;
2741
2742 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2743 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2744
2745 x = ri->ri_xorigin + col * wi;
2746 y = ri->ri_yorigin + row * he;
2747
2748 if (c == 0x20) {
2749 radeonfb_rectfill(dp, x, y, wi, he, bg);
2750 if (attr & 1)
2751 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2752 return;
2753 }
2754 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
2755 if (rv == GC_OK)
2756 return;
2757
2758 data8 = WSFONT_GLYPH(c, font);
2759
2760 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2761
2762 radeonfb_wait_fifo(sc, 5);
2763
2764 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2765 RADEON_GMC_BRUSH_NONE |
2766 RADEON_GMC_SRC_DATATYPE_COLOR |
2767 RADEON_ROP3_S |
2768 RADEON_DP_SRC_SOURCE_HOST_DATA |
2769 RADEON_GMC_CLR_CMP_CNTL_DIS |
2770 RADEON_GMC_WR_MSK_DIS |
2771 gmc);
2772
2773 PUT32(sc, RADEON_DP_CNTL,
2774 RADEON_DST_X_LEFT_TO_RIGHT |
2775 RADEON_DST_Y_TOP_TO_BOTTOM);
2776
2777 PUT32(sc, RADEON_SRC_X_Y, 0);
2778 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
2779 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
2780
2781 /*
2782 * we need the RGB colours here, so get offsets into rasops_cmap
2783 */
2784 fgo = ((attr >> 24) & 0xf) * 3;
2785 bgo = ((attr >> 16) & 0xf) * 3;
2786
2787 r0 = rasops_cmap[bgo];
2788 r1 = rasops_cmap[fgo];
2789 g0 = rasops_cmap[bgo + 1];
2790 g1 = rasops_cmap[fgo + 1];
2791 b0 = rasops_cmap[bgo + 2];
2792 b1 = rasops_cmap[fgo + 2];
2793 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
2794 bg8 = R3G3B2(r0, g0, b0);
2795 fg8 = R3G3B2(r1, g1, b1);
2796
2797 radeonfb_wait_fifo(sc, 20);
2798 cnt = 0;
2799 for (i = 0; i < ri->ri_fontscale; i++) {
2800 aval = *data8;
2801 if (aval == 0) {
2802 pixel = bg8;
2803 } else if (aval == 255) {
2804 pixel = fg8;
2805 } else {
2806 r = aval * r1 + (255 - aval) * r0;
2807 g = aval * g1 + (255 - aval) * g0;
2808 b = aval * b1 + (255 - aval) * b0;
2809 pixel = ((r & 0xe000) >> 8) |
2810 ((g & 0xe000) >> 11) |
2811 ((b & 0xc000) >> 14);
2812 }
2813 latch |= pixel << (8 * (i & 3));
2814 /* write in 32bit chunks */
2815 if ((i & 3) == 3) {
2816 PUT32(sc, RADEON_HOST_DATA0, latch);
2817 /*
2818 * not strictly necessary, old data should be shifted
2819 * out
2820 */
2821 latch = 0;
2822 cnt++;
2823 if (cnt > 16) {
2824 cnt = 0;
2825 radeonfb_wait_fifo(sc, 20);
2826 }
2827 }
2828 data8++;
2829 }
2830 /* if we have pixels left in latch write them out */
2831 if ((i & 3) != 0) {
2832 /*
2833 * radeon is weird - apparently leftover pixels are written
2834 * from the middle, not from the left as everything else
2835 */
2836 PUT32(sc, RADEON_HOST_DATA0, latch);
2837 }
2838
2839 if (rv == GC_ADD) {
2840 glyphcache_add(&dp->rd_gc, c, x, y);
2841 } else
2842 if (attr & 1)
2843 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2844
2845 }
2846
2847 /*
2848 * wrapper for software character drawing
2849 * just sync the engine and call rasops*_putchar()
2850 */
2851
2852 static void
2853 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
2854 {
2855 struct rasops_info *ri = cookie;
2856 struct vcons_screen *scr = ri->ri_hw;
2857 struct radeonfb_display *dp = scr->scr_cookie;
2858
2859 radeonfb_engine_idle(dp->rd_softc);
2860 dp->rd_putchar(ri, row, col, c, attr);
2861 }
2862
2863 static void
2864 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2865 {
2866 struct rasops_info *ri = cookie;
2867 struct vcons_screen *scr = ri->ri_hw;
2868 struct radeonfb_display *dp = scr->scr_cookie;
2869 uint32_t x, y, w, h, fg, bg, ul;
2870
2871 /* XXX: check for full emulation mode? */
2872 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2873 x = ri->ri_xorigin;
2874 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2875 w = ri->ri_emuwidth;
2876 h = ri->ri_font->fontheight * nrows;
2877
2878 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2879 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2880 }
2881 }
2882
2883 static void
2884 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
2885 {
2886 struct rasops_info *ri = cookie;
2887 struct vcons_screen *scr = ri->ri_hw;
2888 struct radeonfb_display *dp = scr->scr_cookie;
2889 uint32_t x, ys, yd, w, h;
2890
2891 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2892 x = ri->ri_xorigin;
2893 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
2894 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
2895 w = ri->ri_emuwidth;
2896 h = ri->ri_font->fontheight * nrows;
2897 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
2898 RADEON_ROP3_S);
2899 }
2900 }
2901
2902 static void
2903 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
2904 {
2905 struct rasops_info *ri = cookie;
2906 struct vcons_screen *scr = ri->ri_hw;
2907 struct radeonfb_display *dp = scr->scr_cookie;
2908 uint32_t xs, xd, y, w, h;
2909
2910 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2911 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
2912 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
2913 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2914 w = ri->ri_font->fontwidth * ncols;
2915 h = ri->ri_font->fontheight;
2916 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
2917 RADEON_ROP3_S);
2918 }
2919 }
2920
2921 static void
2922 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
2923 long fillattr)
2924 {
2925 struct rasops_info *ri = cookie;
2926 struct vcons_screen *scr = ri->ri_hw;
2927 struct radeonfb_display *dp = scr->scr_cookie;
2928 uint32_t x, y, w, h, fg, bg, ul;
2929
2930 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2931 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
2932 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2933 w = ri->ri_font->fontwidth * ncols;
2934 h = ri->ri_font->fontheight;
2935
2936 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2937 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2938 }
2939 }
2940
2941 static void
2942 radeonfb_cursor(void *cookie, int on, int row, int col)
2943 {
2944 struct rasops_info *ri = cookie;
2945 struct vcons_screen *scr = ri->ri_hw;
2946 struct radeonfb_display *dp = scr->scr_cookie;
2947 int x, y, wi, he;
2948
2949 wi = ri->ri_font->fontwidth;
2950 he = ri->ri_font->fontheight;
2951
2952 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2953 x = ri->ri_ccol * wi + ri->ri_xorigin;
2954 y = ri->ri_crow * he + ri->ri_yorigin;
2955 /* first turn off the old cursor */
2956 if (ri->ri_flg & RI_CURSOR) {
2957 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2958 RADEON_ROP3_Dn);
2959 ri->ri_flg &= ~RI_CURSOR;
2960 }
2961 ri->ri_crow = row;
2962 ri->ri_ccol = col;
2963 /* then (possibly) turn on the new one */
2964 if (on) {
2965 x = ri->ri_ccol * wi + ri->ri_xorigin;
2966 y = ri->ri_crow * he + ri->ri_yorigin;
2967 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2968 RADEON_ROP3_Dn);
2969 ri->ri_flg |= RI_CURSOR;
2970 }
2971 } else {
2972 scr->scr_ri.ri_crow = row;
2973 scr->scr_ri.ri_ccol = col;
2974 scr->scr_ri.ri_flg &= ~RI_CURSOR;
2975 }
2976 }
2977
2978 /*
2979 * Underlying acceleration support.
2980 */
2981
2982 static void
2983 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
2984 int width, int height, uint32_t color)
2985 {
2986 struct radeonfb_softc *sc = dp->rd_softc;
2987 uint32_t gmc;
2988
2989 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2990
2991 radeonfb_wait_fifo(sc, 6);
2992
2993 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2994 RADEON_GMC_BRUSH_SOLID_COLOR |
2995 RADEON_GMC_SRC_DATATYPE_COLOR |
2996 RADEON_GMC_CLR_CMP_CNTL_DIS |
2997 RADEON_ROP3_P | gmc);
2998
2999 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
3000 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3001 PUT32(sc, RADEON_DP_CNTL,
3002 RADEON_DST_X_LEFT_TO_RIGHT |
3003 RADEON_DST_Y_TOP_TO_BOTTOM);
3004 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3005 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3006
3007 }
3008
3009 static void
3010 radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
3011 int width, int height, long attr)
3012 {
3013 struct radeonfb_display *dp = cookie;
3014
3015 radeonfb_rectfill(dp, dstx, dsty, width, height,
3016 dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
3017 }
3018
3019 static void
3020 radeonfb_bitblt(void *cookie, int srcx, int srcy,
3021 int dstx, int dsty, int width, int height, int rop)
3022 {
3023 struct radeonfb_display *dp = cookie;
3024 struct radeonfb_softc *sc = dp->rd_softc;
3025 uint32_t gmc;
3026 uint32_t dir;
3027
3028 if (dsty < srcy) {
3029 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
3030 } else {
3031 srcy += height - 1;
3032 dsty += height - 1;
3033 dir = 0;
3034 }
3035 if (dstx < srcx) {
3036 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
3037 } else {
3038 srcx += width - 1;
3039 dstx += width - 1;
3040 }
3041
3042 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3043
3044 radeonfb_wait_fifo(sc, 6);
3045
3046 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3047 RADEON_GMC_BRUSH_SOLID_COLOR |
3048 RADEON_GMC_SRC_DATATYPE_COLOR |
3049 RADEON_GMC_CLR_CMP_CNTL_DIS |
3050 RADEON_DP_SRC_SOURCE_MEMORY |
3051 rop | gmc);
3052
3053 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3054 PUT32(sc, RADEON_DP_CNTL, dir);
3055 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
3056 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3057 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3058 }
3059
3060 static void
3061 radeonfb_engine_idle(struct radeonfb_softc *sc)
3062 {
3063
3064 radeonfb_wait_fifo(sc, 64);
3065 while ((GET32(sc, RADEON_RBBM_STATUS) &
3066 RADEON_RBBM_ACTIVE) != 0);
3067 radeonfb_engine_flush(sc);
3068 }
3069
3070 static inline void
3071 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
3072 {
3073 int i;
3074
3075 for (i = RADEON_TIMEOUT; i; i--) {
3076 if ((GET32(sc, RADEON_RBBM_STATUS) &
3077 RADEON_RBBM_FIFOCNT_MASK) >= n)
3078 return;
3079 }
3080 #ifdef DIAGNOSTIC
3081 if (!i)
3082 printf("%s: timed out waiting for fifo (%x)\n",
3083 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3084 #endif
3085 }
3086
3087 static void
3088 radeonfb_engine_flush(struct radeonfb_softc *sc)
3089 {
3090 int i = 0;
3091
3092 if (IS_R300(sc)) {
3093 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3094 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3095 i++;
3096 }
3097 } else {
3098 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3099 RADEON_RB2D_DC_FLUSH_ALL);
3100 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3101 RADEON_RB2D_DC_BUSY) {
3102 i++;
3103 }
3104 }
3105 #ifdef DIAGNOSTIC
3106 if (i > RADEON_TIMEOUT)
3107 printf("%s: engine flush timed out!\n", XNAME(sc));
3108 #endif
3109 }
3110
3111 static inline void
3112 radeonfb_unclip(struct radeonfb_softc *sc)
3113 {
3114
3115 radeonfb_wait_fifo(sc, 2);
3116 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3117 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3118 }
3119
3120 static void
3121 radeonfb_engine_init(struct radeonfb_display *dp)
3122 {
3123 struct radeonfb_softc *sc = dp->rd_softc;
3124 uint32_t pitch;
3125 volatile uint32_t junk;
3126
3127 /* no 3D */
3128 PUT32(sc, RADEON_RB3D_CNTL, 0);
3129
3130 radeonfb_engine_reset(sc);
3131 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
3132
3133 radeonfb_wait_fifo(sc, 1);
3134 if (!IS_R300(sc))
3135 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3136
3137 radeonfb_wait_fifo(sc, 3);
3138 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
3139 (pitch << 22) | (sc->sc_aperbase >> 10));
3140
3141
3142 PUT32(sc, RADEON_DST_PITCH_OFFSET,
3143 (pitch << 22) | (sc->sc_aperbase >> 10));
3144 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
3145 (pitch << 22) | (sc->sc_aperbase >> 10));
3146
3147 junk = GET32(sc, RADEON_DP_DATATYPE);
3148
3149 /* default scissors -- no clipping */
3150 radeonfb_wait_fifo(sc, 1);
3151 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3152 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3153
3154 radeonfb_wait_fifo(sc, 1);
3155 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3156 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3157 RADEON_GMC_CLR_CMP_CNTL_DIS |
3158 RADEON_GMC_BRUSH_SOLID_COLOR |
3159 RADEON_GMC_SRC_DATATYPE_COLOR);
3160
3161 radeonfb_wait_fifo(sc, 10);
3162 PUT32(sc, RADEON_DST_LINE_START, 0);
3163 PUT32(sc, RADEON_DST_LINE_END, 0);
3164 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3165 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3166 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3167 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3168 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3169 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3170 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3171 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3172 radeonfb_engine_idle(sc);
3173 }
3174
3175 static void
3176 radeonfb_engine_reset(struct radeonfb_softc *sc)
3177 {
3178 uint32_t hpc, rbbm, mclkcntl, clkindex;
3179
3180 radeonfb_engine_flush(sc);
3181
3182 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3183 if (HAS_R300CG(sc))
3184 radeonfb_r300cg_workaround(sc);
3185 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3186
3187 /*
3188 * According to comments in XFree code, resetting the HDP via
3189 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3190 * So we use HOST_PATH_CNTL instead.
3191 */
3192
3193 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3194 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3195 if (IS_R300(sc)) {
3196 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3197 RADEON_SOFT_RESET_CP |
3198 RADEON_SOFT_RESET_HI |
3199 RADEON_SOFT_RESET_E2);
3200 GET32(sc, RADEON_RBBM_SOFT_RESET);
3201 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3202 /*
3203 * XXX: this bit is not defined in any ATI docs I have,
3204 * nor in the XFree code, but XFree does it. Why?
3205 */
3206 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
3207 } else {
3208 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3209 RADEON_SOFT_RESET_CP |
3210 RADEON_SOFT_RESET_SE |
3211 RADEON_SOFT_RESET_RE |
3212 RADEON_SOFT_RESET_PP |
3213 RADEON_SOFT_RESET_E2 |
3214 RADEON_SOFT_RESET_RB);
3215 GET32(sc, RADEON_RBBM_SOFT_RESET);
3216 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3217 ~(RADEON_SOFT_RESET_CP |
3218 RADEON_SOFT_RESET_SE |
3219 RADEON_SOFT_RESET_RE |
3220 RADEON_SOFT_RESET_PP |
3221 RADEON_SOFT_RESET_E2 |
3222 RADEON_SOFT_RESET_RB));
3223 GET32(sc, RADEON_RBBM_SOFT_RESET);
3224 }
3225
3226 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3227 GET32(sc, RADEON_HOST_PATH_CNTL);
3228 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3229
3230 if (IS_R300(sc))
3231 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3232
3233 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3234 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3235
3236 if (HAS_R300CG(sc))
3237 radeonfb_r300cg_workaround(sc);
3238 }
3239
3240 static int
3241 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3242 {
3243 int x, y;
3244
3245 x = pos->x;
3246 y = pos->y;
3247
3248 /*
3249 * This doesn't let a cursor move off the screen. I'm not
3250 * sure if this will have negative effects for e.g. Xinerama.
3251 * I'd guess Xinerama handles it by changing the cursor shape,
3252 * but that needs verification.
3253 */
3254 if (x >= dp->rd_virtx)
3255 x = dp->rd_virtx - 1;
3256 if (x < 0)
3257 x = 0;
3258 if (y >= dp->rd_virty)
3259 y = dp->rd_virty - 1;
3260 if (y < 0)
3261 y = 0;
3262
3263 dp->rd_cursor.rc_pos.x = x;
3264 dp->rd_cursor.rc_pos.y = y;
3265
3266 radeonfb_cursor_position(dp);
3267 return 0;
3268 }
3269
3270 static int
3271 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3272 {
3273 unsigned flags;
3274
3275 uint8_t r[2], g[2], b[2];
3276 unsigned index, count;
3277 int i, err;
3278 int pitch, size;
3279 struct radeonfb_cursor nc;
3280
3281 flags = wc->which;
3282
3283 /* copy old values */
3284 nc = dp->rd_cursor;
3285
3286 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3287 index = wc->cmap.index;
3288 count = wc->cmap.count;
3289
3290 if (index >= 2 || (index + count) > 2)
3291 return EINVAL;
3292
3293 err = copyin(wc->cmap.red, &r[index], count);
3294 if (err)
3295 return err;
3296 err = copyin(wc->cmap.green, &g[index], count);
3297 if (err)
3298 return err;
3299 err = copyin(wc->cmap.blue, &b[index], count);
3300 if (err)
3301 return err;
3302
3303 for (i = index; i < index + count; i++) {
3304 nc.rc_cmap[i] =
3305 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3306 }
3307 }
3308
3309 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3310 if ((wc->size.x > RADEON_CURSORMAXX) ||
3311 (wc->size.y > RADEON_CURSORMAXY))
3312 return EINVAL;
3313
3314 /* figure bytes per line */
3315 pitch = (wc->size.x + 7) / 8;
3316 size = pitch * wc->size.y;
3317
3318 /* clear the old cursor and mask */
3319 memset(nc.rc_image, 0, 512);
3320 memset(nc.rc_mask, 0, 512);
3321
3322 nc.rc_size = wc->size;
3323
3324 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3325 return err;
3326
3327 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3328 return err;
3329 }
3330
3331 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3332 nc.rc_hot = wc->hot;
3333 if (nc.rc_hot.x >= nc.rc_size.x)
3334 nc.rc_hot.x = nc.rc_size.x - 1;
3335 if (nc.rc_hot.y >= nc.rc_size.y)
3336 nc.rc_hot.y = nc.rc_size.y - 1;
3337 }
3338
3339 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3340 nc.rc_pos = wc->pos;
3341 if (nc.rc_pos.x >= dp->rd_virtx)
3342 nc.rc_pos.x = dp->rd_virtx - 1;
3343 #if 0
3344 if (nc.rc_pos.x < 0)
3345 nc.rc_pos.x = 0;
3346 #endif
3347 if (nc.rc_pos.y >= dp->rd_virty)
3348 nc.rc_pos.y = dp->rd_virty - 1;
3349 #if 0
3350 if (nc.rc_pos.y < 0)
3351 nc.rc_pos.y = 0;
3352 #endif
3353 }
3354 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3355 nc.rc_visible = wc->enable;
3356 }
3357
3358 dp->rd_cursor = nc;
3359 radeonfb_cursor_update(dp, wc->which);
3360
3361 return 0;
3362 }
3363
3364 /*
3365 * Change the cursor shape. Call this with the cursor locked to avoid
3366 * flickering/tearing.
3367 */
3368 static void
3369 radeonfb_cursor_shape(struct radeonfb_display *dp)
3370 {
3371 uint8_t and[512], xor[512];
3372 int i, j, src, dst, pitch;
3373 const uint8_t *msk = dp->rd_cursor.rc_mask;
3374 const uint8_t *img = dp->rd_cursor.rc_image;
3375
3376 /*
3377 * Radeon cursor data interleaves one line of AND data followed
3378 * by a line of XOR data. (Each line corresponds to a whole hardware
3379 * pitch - i.e. 64 pixels or 8 bytes.)
3380 *
3381 * The cursor is displayed using the following table:
3382 *
3383 * AND XOR Result
3384 * ----------------------
3385 * 0 0 Cursor color 0
3386 * 0 1 Cursor color 1
3387 * 1 0 Transparent
3388 * 1 1 Complement of background
3389 *
3390 * Our masks are therefore different from what we were passed.
3391 * Passed in, I'm assuming the data represents either color 0 or 1,
3392 * and a mask, so the passed in table looks like:
3393 *
3394 * IMG Mask Result
3395 * -----------------------
3396 * 0 0 Transparent
3397 * 0 1 Cursor color 0
3398 * 1 0 Transparent
3399 * 1 1 Cursor color 1
3400 *
3401 * IF mask bit == 1, AND = 0, XOR = color.
3402 * IF mask bit == 0, AND = 1, XOR = 0.
3403 *
3404 * hence: AND = ~(mask); XOR = color & ~(mask);
3405 */
3406
3407 pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
3408
3409 /* start by assuming all bits are transparent */
3410 memset(and, 0xff, 512);
3411 memset(xor, 0x00, 512);
3412
3413 src = 0;
3414 dst = 0;
3415 for (i = 0; i < 64; i++) {
3416 for (j = 0; j < 64; j += 8) {
3417 if ((i < dp->rd_cursor.rc_size.y) &&
3418 (j < dp->rd_cursor.rc_size.x)) {
3419
3420 /* take care to leave odd bits alone */
3421 and[dst] &= ~(msk[src]);
3422 xor[dst] = img[src] & msk[src];
3423 src++;
3424 }
3425 dst++;
3426 }
3427 }
3428
3429 /* copy the image into place */
3430 for (i = 0; i < 64; i++) {
3431 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3432 &and[i * 8], 8);
3433 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3434 &xor[i * 8], 8);
3435 }
3436 }
3437
3438 static void
3439 radeonfb_cursor_position(struct radeonfb_display *dp)
3440 {
3441 struct radeonfb_softc *sc = dp->rd_softc;
3442 uint32_t offset, hvoff, hvpos; /* registers */
3443 uint32_t coff; /* cursor offset */
3444 int i, x, y, xoff, yoff, crtcoff;
3445
3446 /*
3447 * XXX: this also needs to handle pan/scan
3448 */
3449 for (i = 0; i < dp->rd_ncrtcs; i++) {
3450
3451 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3452
3453 if (rcp->rc_number) {
3454 offset = RADEON_CUR2_OFFSET;
3455 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3456 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3457 crtcoff = RADEON_CRTC2_OFFSET;
3458 } else {
3459 offset = RADEON_CUR_OFFSET;
3460 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3461 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3462 crtcoff = RADEON_CRTC_OFFSET;
3463 }
3464
3465 x = dp->rd_cursor.rc_pos.x;
3466 y = dp->rd_cursor.rc_pos.y;
3467
3468 while (y < rcp->rc_yoffset) {
3469 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3470 }
3471 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3472 rcp->rc_yoffset += RADEON_PANINCREMENT;
3473 }
3474 while (x < rcp->rc_xoffset) {
3475 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3476 }
3477 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3478 rcp->rc_xoffset += RADEON_PANINCREMENT;
3479 }
3480
3481 /* adjust for the cursor's hotspot */
3482 x -= dp->rd_cursor.rc_hot.x;
3483 y -= dp->rd_cursor.rc_hot.y;
3484 xoff = yoff = 0;
3485
3486 if (x >= dp->rd_virtx)
3487 x = dp->rd_virtx - 1;
3488 if (y >= dp->rd_virty)
3489 y = dp->rd_virty - 1;
3490
3491 /* now adjust cursor so it is relative to viewport */
3492 x -= rcp->rc_xoffset;
3493 y -= rcp->rc_yoffset;
3494
3495 /*
3496 * no need to check for fall off, because we should
3497 * never move off the screen entirely!
3498 */
3499 coff = 0;
3500 if (x < 0) {
3501 xoff = -x;
3502 x = 0;
3503 }
3504 if (y < 0) {
3505 yoff = -y;
3506 y = 0;
3507 coff = (yoff * 2) * 8;
3508 }
3509
3510 /* pan the display */
3511 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3512 rcp->rc_xoffset);
3513
3514 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3515 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3516 /* NB: this unlocks the cursor */
3517 PUT32(sc, hvpos, (x << 16) | y);
3518 }
3519 }
3520
3521 static void
3522 radeonfb_cursor_visible(struct radeonfb_display *dp)
3523 {
3524 int i;
3525 uint32_t gencntl, bit;
3526
3527 for (i = 0; i < dp->rd_ncrtcs; i++) {
3528 if (dp->rd_crtcs[i].rc_number) {
3529 gencntl = RADEON_CRTC2_GEN_CNTL;
3530 bit = RADEON_CRTC2_CUR_EN;
3531 } else {
3532 gencntl = RADEON_CRTC_GEN_CNTL;
3533 bit = RADEON_CRTC_CUR_EN;
3534 }
3535
3536 if (dp->rd_cursor.rc_visible)
3537 SET32(dp->rd_softc, gencntl, bit);
3538 else
3539 CLR32(dp->rd_softc, gencntl, bit);
3540 }
3541 }
3542
3543 static void
3544 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3545 {
3546 int i;
3547 uint32_t c0reg, c1reg;
3548 struct radeonfb_softc *sc = dp->rd_softc;
3549
3550 for (i = 0; i < dp->rd_ncrtcs; i++) {
3551 if (dp->rd_crtcs[i].rc_number) {
3552 c0reg = RADEON_CUR2_CLR0;
3553 c1reg = RADEON_CUR2_CLR1;
3554 } else {
3555 c0reg = RADEON_CUR_CLR0;
3556 c1reg = RADEON_CUR_CLR1;
3557 }
3558
3559 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3560 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3561 }
3562 }
3563
3564 static void
3565 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3566 {
3567 struct radeonfb_softc *sc;
3568 int i;
3569
3570 sc = dp->rd_softc;
3571 for (i = 0; i < dp->rd_ncrtcs; i++) {
3572 if (dp->rd_crtcs[i].rc_number) {
3573 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3574 } else {
3575 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3576 }
3577 }
3578
3579 if (which & WSDISPLAY_CURSOR_DOCMAP)
3580 radeonfb_cursor_cmap(dp);
3581
3582 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3583 radeonfb_cursor_shape(dp);
3584
3585 if (which & WSDISPLAY_CURSOR_DOCUR)
3586 radeonfb_cursor_visible(dp);
3587
3588 /* this one is unconditional, because it updates other stuff */
3589 radeonfb_cursor_position(dp);
3590 }
3591
3592 static struct videomode *
3593 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3594 {
3595 int r1, r2;
3596
3597 /* otherwise pick the higher refresh rate */
3598 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3599 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3600
3601 return (r1 < r2 ? m2 : m1);
3602 }
3603
3604 static const struct videomode *
3605 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3606 int x, int y)
3607 {
3608 struct edid_info *ep = &rp->rp_edid;
3609 struct videomode *vmp = NULL;
3610 int i;
3611
3612 if (!rp->rp_edid_valid) {
3613 /* fallback to safe mode */
3614 return radeonfb_modelookup(sc->sc_defaultmode);
3615 }
3616
3617 /* always choose the preferred mode first! */
3618 if (ep->edid_preferred_mode) {
3619
3620 /* XXX: add auto-stretching support for native mode */
3621
3622 /* this may want panning to occur, btw */
3623 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3624 (ep->edid_preferred_mode->vdisplay <= y))
3625 return ep->edid_preferred_mode;
3626 }
3627
3628 for (i = 0; i < ep->edid_nmodes; i++) {
3629 /*
3630 * We elect to pick a resolution that is too large for
3631 * the monitor than one that is too small. This means
3632 * that we will prefer to pan rather than to try to
3633 * center a smaller display on a larger screen. In
3634 * practice, this shouldn't matter because if a
3635 * monitor can support a larger resolution, it can
3636 * probably also support the smaller. A specific
3637 * exception is fixed format panels, but hopefully
3638 * they are properly dealt with by the "autostretch"
3639 * logic above.
3640 */
3641 if ((ep->edid_modes[i].hdisplay > x) ||
3642 (ep->edid_modes[i].vdisplay > y)) {
3643 continue;
3644 }
3645
3646 /*
3647 * at this point, the display mode is no larger than
3648 * what we've requested.
3649 */
3650 if (vmp == NULL)
3651 vmp = &ep->edid_modes[i];
3652
3653 /* eliminate smaller modes */
3654 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3655 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3656 continue;
3657
3658 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3659 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3660 vmp = &ep->edid_modes[i];
3661 continue;
3662 }
3663
3664 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3665 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3666
3667 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3668 }
3669
3670 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3671 }
3672
3673 static int
3674 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3675 {
3676 int i;
3677
3678 for (i = 0; i < nlist; i++) {
3679 if ((x == list[i].hdisplay) &&
3680 (y == list[i].vdisplay)) {
3681 return 1;
3682 }
3683 }
3684 return 0;
3685 }
3686
3687 static void
3688 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3689 int pan)
3690 {
3691 struct radeonfb_port *rp;
3692 struct edid_info *ep;
3693 int i, j;
3694
3695 *x = 0;
3696 *y = 0;
3697
3698 if (pan) {
3699 for (i = 0; i < dp->rd_ncrtcs; i++) {
3700 rp = dp->rd_crtcs[i].rc_port;
3701 ep = &rp->rp_edid;
3702 if (!rp->rp_edid_valid) {
3703 /* monitor not present */
3704 continue;
3705 }
3706
3707 /*
3708 * For now we are ignoring "conflict" that
3709 * could occur when mixing some modes like
3710 * 1280x1024 and 1400x800. It isn't clear
3711 * which is better, so the first one wins.
3712 */
3713 for (j = 0; j < ep->edid_nmodes; j++) {
3714 /*
3715 * ignore resolutions that are too big for
3716 * the radeon
3717 */
3718 if (ep->edid_modes[j].hdisplay >
3719 dp->rd_softc->sc_maxx)
3720 continue;
3721 if (ep->edid_modes[j].vdisplay >
3722 dp->rd_softc->sc_maxy)
3723 continue;
3724
3725 /*
3726 * pick largest resolution, the
3727 * smaller monitor will pan
3728 */
3729 if ((ep->edid_modes[j].hdisplay >= *x) &&
3730 (ep->edid_modes[j].vdisplay >= *y)) {
3731 *x = ep->edid_modes[j].hdisplay;
3732 *y = ep->edid_modes[j].vdisplay;
3733 }
3734 }
3735 }
3736
3737 } else {
3738 struct videomode modes[64];
3739 int nmodes = 0;
3740 int valid = 0;
3741
3742 for (i = 0; i < dp->rd_ncrtcs; i++) {
3743 /*
3744 * pick the largest resolution in common.
3745 */
3746 rp = dp->rd_crtcs[i].rc_port;
3747 ep = &rp->rp_edid;
3748
3749 if (!rp->rp_edid_valid)
3750 continue;
3751
3752 if (!valid) {
3753 /*
3754 * Pick the preferred mode for this port
3755 * if available.
3756 */
3757 if (ep->edid_preferred_mode) {
3758 struct videomode *vmp =
3759 ep->edid_preferred_mode;
3760
3761 if ((vmp->hdisplay <=
3762 dp->rd_softc->sc_maxx) &&
3763 (vmp->vdisplay <=
3764 dp->rd_softc->sc_maxy))
3765 modes[nmodes++] = *vmp;
3766 } else {
3767
3768 /* initialize starting list */
3769 for (j = 0; j < ep->edid_nmodes; j++) {
3770 /*
3771 * ignore resolutions that are
3772 * too big for the radeon
3773 */
3774 if (ep->edid_modes[j].hdisplay >
3775 dp->rd_softc->sc_maxx)
3776 continue;
3777 if (ep->edid_modes[j].vdisplay >
3778 dp->rd_softc->sc_maxy)
3779 continue;
3780
3781 modes[nmodes] =
3782 ep->edid_modes[j];
3783 nmodes++;
3784 }
3785 }
3786 valid = 1;
3787 } else {
3788 /* merge into preexisting list */
3789 for (j = 0; j < nmodes; j++) {
3790 if (!radeonfb_hasres(ep->edid_modes,
3791 ep->edid_nmodes,
3792 modes[j].hdisplay,
3793 modes[j].vdisplay)) {
3794 modes[j] = modes[nmodes];
3795 j--;
3796 nmodes--;
3797 }
3798 }
3799 }
3800 }
3801
3802 /* now we have to pick from the merged list */
3803 for (i = 0; i < nmodes; i++) {
3804 if ((modes[i].hdisplay >= *x) &&
3805 (modes[i].vdisplay >= *y)) {
3806 *x = modes[i].hdisplay;
3807 *y = modes[i].vdisplay;
3808 }
3809 }
3810 }
3811
3812 if ((*x == 0) || (*y == 0)) {
3813 /* fallback to safe mode */
3814 *x = 640;
3815 *y = 480;
3816 }
3817 }
3818
3819 /*
3820 * backlight levels are linear on:
3821 * - RV200, RV250, RV280, RV350
3822 * - but NOT on PowerBook4,3 6,3 6,5
3823 * according to Linux' radeonfb
3824 */
3825
3826 /* Get the current backlight level for the display. */
3827
3828 static int
3829 radeonfb_get_backlight(struct radeonfb_display *dp)
3830 {
3831 int s;
3832 uint32_t level;
3833
3834 s = spltty();
3835
3836 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
3837 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
3838 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
3839
3840 /*
3841 * On some chips, we should negate the backlight level.
3842 * XXX Find out on which chips.
3843 */
3844 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
3845 level = RADEONFB_BACKLIGHT_MAX - level;
3846
3847 splx(s);
3848
3849 return level;
3850 }
3851
3852 /* Set the backlight to the given level for the display. */
3853 static void
3854 radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
3855 {
3856 if (dp->rd_bl_on == on)
3857 return;
3858 dp->rd_bl_on = on;
3859 radeonfb_set_backlight(dp, dp->rd_bl_level);
3860 }
3861
3862 static int
3863 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
3864 {
3865 struct radeonfb_softc *sc;
3866 int rlevel, s;
3867 uint32_t lvds;
3868
3869 s = spltty();
3870
3871 dp->rd_bl_level = level;
3872 if (dp->rd_bl_on == 0)
3873 level = 0;
3874
3875 if (level < 0)
3876 level = 0;
3877 else if (level >= RADEONFB_BACKLIGHT_MAX)
3878 level = RADEONFB_BACKLIGHT_MAX;
3879
3880 sc = dp->rd_softc;
3881
3882 /* On some chips, we should negate the backlight level. */
3883 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
3884 rlevel = RADEONFB_BACKLIGHT_MAX - level;
3885 } else
3886 rlevel = level;
3887
3888 callout_stop(&dp->rd_bl_lvds_co);
3889 radeonfb_engine_idle(sc);
3890
3891 /*
3892 * Turn off the display if the backlight is set to 0, since the
3893 * display is useless without backlight anyway.
3894 */
3895 if (level == 0)
3896 radeonfb_blank(dp, 1);
3897 else if (radeonfb_get_backlight(dp) == 0)
3898 radeonfb_blank(dp, 0);
3899
3900 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
3901 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
3902 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
3903 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
3904 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
3905 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3906 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3907 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3908 lvds |= RADEON_LVDS_ON;
3909 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
3910 } else {
3911 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3912 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3913 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3914 }
3915
3916 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
3917 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
3918 /* XXX What is the correct delay? */
3919 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
3920
3921 splx(s);
3922
3923 return 0;
3924 }
3925
3926 /*
3927 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
3928 * Set the delayed bits in the register, and clear the stored delayed
3929 * value.
3930 */
3931
3932 static void radeonfb_lvds_callout(void *arg)
3933 {
3934 struct radeonfb_display *dp = arg;
3935 int s;
3936
3937 s = splhigh();
3938
3939 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
3940 dp->rd_bl_lvds_val);
3941 dp->rd_bl_lvds_val = 0;
3942
3943 splx(s);
3944 }
3945
3946 static void
3947 radeonfb_brightness_up(device_t dev)
3948 {
3949 struct radeonfb_softc *sc = device_private(dev);
3950 struct radeonfb_display *dp = &sc->sc_displays[0];
3951 int level;
3952
3953 /* we assume the main display is the first one - need a better way */
3954 if (sc->sc_ndisplays < 1) return;
3955 /* make sure pushing the hotkeys always has an effect */
3956 dp->rd_bl_on = 1;
3957 level = dp->rd_bl_level;
3958 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
3959 radeonfb_set_backlight(dp, level);
3960 }
3961
3962 static void
3963 radeonfb_brightness_down(device_t dev)
3964 {
3965 struct radeonfb_softc *sc = device_private(dev);
3966 struct radeonfb_display *dp = &sc->sc_displays[0];
3967 int level;
3968
3969 /* we assume the main display is the first one - need a better way */
3970 if (sc->sc_ndisplays < 1) return;
3971 /* make sure pushing the hotkeys always has an effect */
3972 dp->rd_bl_on = 1;
3973 level = dp->rd_bl_level;
3974 level = max(0, level - 5);
3975 radeonfb_set_backlight(dp, level);
3976 }
3977