radeonfb.c revision 1.46.2.4 1 /* $NetBSD: radeonfb.c,v 1.46.2.4 2013/01/16 05:33:31 yamt 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 1.46.2.4 2013/01/16 05:33:31 yamt 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_BIOS_4_SCRATCH);
558 PRINTREG(RADEON_FP_GEN_CNTL);
559 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
560 PRINTREG(RADEON_FP2_GEN_CNTL);
561 PRINTREG(RADEON_TMDS_CNTL);
562 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
563 PRINTREG(RADEON_TMDS_PLL_CNTL);
564 PRINTREG(RADEON_LVDS_GEN_CNTL);
565 PRINTREG(RADEON_FP_HORZ_STRETCH);
566 PRINTREG(RADEON_FP_VERT_STRETCH);
567
568 /* XXX: RV100 specific */
569 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
570
571 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
572 RADEON_TMDS_TRANSMITTER_PLLEN,
573 RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
574
575 radeonfb_i2c_init(sc);
576
577 radeonfb_loadbios(sc, pa);
578
579 #ifdef RADEONFB_BIOS_INIT
580 if (radeonfb_bios_init(sc)) {
581 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
582 }
583 #endif
584
585 if (radeonfb_getclocks(sc)) {
586 aprint_error("%s: Unable to get reference clocks from BIOS\n",
587 XNAME(sc));
588 goto error;
589 }
590
591 if (radeonfb_gettmds(sc)) {
592 aprint_error("%s: Unable to identify TMDS PLL settings\n",
593 XNAME(sc));
594 goto error;
595 }
596
597 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
598 "minpll = %d, maxpll = %d\n", XNAME(sc),
599 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
600 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
601
602 radeonfb_getconnectors(sc);
603
604 radeonfb_set_fbloc(sc);
605
606 for (i = 0; radeonfb_limits[i].size; i++) {
607 if (sc->sc_memsz >= radeonfb_limits[i].size) {
608 sc->sc_maxx = radeonfb_limits[i].maxx;
609 sc->sc_maxy = radeonfb_limits[i].maxy;
610 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
611 /* framebuffer offset, start at a 4K page */
612 sc->sc_fboffset = sc->sc_memsz /
613 radeonfb_limits[i].maxdisp;
614 /*
615 * we use the fbsize to figure out where we can store
616 * things like cursor data.
617 */
618 sc->sc_fbsize =
619 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
620 RADEON_STRIDEALIGN) * sc->sc_maxy,
621 4096);
622 break;
623 }
624 }
625
626
627 radeonfb_init_misc(sc);
628 radeonfb_init_palette(sc, 0);
629 if (HAS_CRTC2(sc))
630 radeonfb_init_palette(sc, 1);
631
632 /* program the DAC wirings */
633 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
634 switch (sc->sc_ports[i].rp_dac_type) {
635 case RADEON_DAC_PRIMARY:
636 PATCH32(sc, RADEON_DAC_CNTL2,
637 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
638 ~RADEON_DAC2_DAC_CLK_SEL);
639 break;
640 case RADEON_DAC_TVDAC:
641 /* we always use the TVDAC to drive a secondary analog
642 * CRT for now. if we ever support TV-out this will
643 * have to change.
644 */
645 SET32(sc, RADEON_DAC_CNTL2,
646 RADEON_DAC2_DAC2_CLK_SEL);
647 PATCH32(sc, RADEON_DISP_HW_DEBUG,
648 i ? 0 : RADEON_CRT2_DISP1_SEL,
649 ~RADEON_CRT2_DISP1_SEL);
650 break;
651 }
652 }
653 PRINTREG(RADEON_DAC_CNTL2);
654 PRINTREG(RADEON_DISP_HW_DEBUG);
655
656 /* other DAC programming */
657 v = GET32(sc, RADEON_DAC_CNTL);
658 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
659 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
660 PUT32(sc, RADEON_DAC_CNTL, v);
661 PRINTREG(RADEON_DAC_CNTL);
662
663 /* XXX: this may need more investigation */
664 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
665 PRINTREG(RADEON_TV_DAC_CNTL);
666
667 /* enable TMDS */
668 SET32(sc, RADEON_FP_GEN_CNTL,
669 RADEON_FP_TMDS_EN |
670 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
671 RADEON_FP_CRTC_DONT_SHADOW_HEND);
672 /*
673 * XXX
674 * no idea why this is necessary - if I do not clear this bit on my
675 * iBook G4 the screen remains black, even though it's already clear.
676 * It needs to be set on my Sun XVR-100 for the DVI port to work
677 */
678 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
679 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
680 } else
681 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
682
683 if (HAS_CRTC2(sc))
684 SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
685
686 /*
687 * we use bus_space_map instead of pci_mapreg, because we don't
688 * need the full aperature space. no point in wasting virtual
689 * address space we don't intend to use, right?
690 */
691 if ((sc->sc_memsz < (4096 * 1024)) ||
692 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
693 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
694 (bsz < sc->sc_memsz)) {
695 sc->sc_memsz = 0;
696 aprint_error("%s: Bad frame buffer configuration\n",
697 XNAME(sc));
698 goto error;
699 }
700
701 /* 64 MB should be enough -- more just wastes map entries */
702 if (sc->sc_memsz > (64 << 20))
703 sc->sc_memsz = (64 << 20);
704
705 sc->sc_memt = pa->pa_memt;
706 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
707 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
708 sc->sc_memsz = 0;
709 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
710 goto error;
711 }
712
713 aprint_normal("%s: %d MB aperture at 0x%08x, "
714 "%d KB registers at 0x%08x\n", XNAME(sc),
715 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
716 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
717
718 /* setup default video mode from devprop (allows PROM override) */
719 sc->sc_defaultmode = radeonfb_default_mode;
720 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
721 "videomode", &mptr)) {
722
723 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
724 sc->sc_defaultmode = sc->sc_modebuf;
725 }
726
727 /* initialize some basic display parameters */
728 for (i = 0; i < sc->sc_ndisplays; i++) {
729 struct radeonfb_display *dp = &sc->sc_displays[i];
730 struct rasops_info *ri;
731 long defattr;
732 struct wsemuldisplaydev_attach_args aa;
733
734 /*
735 * Figure out how many "displays" (desktops) we are going to
736 * support. If more than one, then each CRTC gets its own
737 * programming.
738 *
739 * XXX: this code needs to change to support mergedfb.
740 * XXX: would be nice to allow this to be overridden
741 */
742 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
743 DPRINTF(("dual crtcs!\n"));
744 dp->rd_ncrtcs = 2;
745 dp->rd_crtcs[0].rc_number = 0;
746 dp->rd_crtcs[1].rc_number = 1;
747 } else {
748 dp->rd_ncrtcs = 1;
749 dp->rd_crtcs[0].rc_number = i;
750 }
751
752 /* set up port pointer */
753 for (j = 0; j < dp->rd_ncrtcs; j++) {
754 dp->rd_crtcs[j].rc_port =
755 &sc->sc_ports[dp->rd_crtcs[j].rc_number];
756 }
757
758 dp->rd_softc = sc;
759 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
760 dp->rd_bg = WS_DEFAULT_BG;
761 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
762
763 /* for text mode, we pick a resolution that won't
764 * require panning */
765 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
766
767 aprint_normal("%s: display %d: "
768 "initial virtual resolution %dx%d at %d bpp\n",
769 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
770
771 /* now select the *video mode* that we will use */
772 for (j = 0; j < dp->rd_ncrtcs; j++) {
773 const struct videomode *vmp;
774 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
775 dp->rd_virtx, dp->rd_virty);
776
777 /*
778 * virtual resolution should be at least as high as
779 * physical
780 */
781 if (dp->rd_virtx < vmp->hdisplay ||
782 dp->rd_virty < vmp->vdisplay) {
783 dp->rd_virtx = vmp->hdisplay;
784 dp->rd_virty = vmp->vdisplay;
785 }
786
787 dp->rd_crtcs[j].rc_videomode = *vmp;
788 printf("%s: port %d: physical %dx%d %dHz\n",
789 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
790 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
791 vmp->htotal), vmp->vtotal));
792 }
793
794 /* N.B.: radeon wants 64-byte aligned stride */
795 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
796 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
797 DPRINTF(("stride: %d\n", dp->rd_stride));
798
799 dp->rd_offset = sc->sc_fboffset * i;
800 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
801 sc->sc_memh) + dp->rd_offset;
802 dp->rd_curoff = sc->sc_fbsize;
803 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
804
805 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
806
807 switch (dp->rd_bpp) {
808 case 8:
809 dp->rd_format = 2;
810 break;
811 case 32:
812 dp->rd_format = 6;
813 break;
814 default:
815 aprint_error("%s: bad depth %d\n", XNAME(sc),
816 dp->rd_bpp);
817 goto error;
818 }
819
820 DPRINTF(("init engine\n"));
821 /* XXX: this seems suspicious - per display engine
822 initialization? */
823 radeonfb_engine_init(dp);
824
825 /* copy the template into place */
826 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
827 dp->rd_wsscreens = dp->rd_wsscreens_storage;
828
829 /* and make up the list */
830 dp->rd_wsscreenlist.nscreens = 1;
831 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
832
833 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
834 &radeonfb_accessops);
835
836 dp->rd_vd.init_screen = radeonfb_init_screen;
837
838 #ifdef RADEONFB_DEBUG
839 dp->rd_virty -= 200;
840 #endif
841
842 dp->rd_console = 0;
843 prop_dictionary_get_bool(device_properties(sc->sc_dev),
844 "is_console", &dp->rd_console);
845
846 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
847
848
849 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
850 dp->rd_console, &defattr);
851
852 ri = &dp->rd_vscreen.scr_ri;
853
854 /* clear the screen */
855 rasops_unpack_attr(defattr, &fg, &bg, &ul);
856 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
857 ri->ri_devcmap[bg & 0xf]);
858
859 dp->rd_wsscreens->textops = &ri->ri_ops;
860 dp->rd_wsscreens->capabilities = ri->ri_caps;
861 dp->rd_wsscreens->nrows = ri->ri_rows;
862 dp->rd_wsscreens->ncols = ri->ri_cols;
863
864 #ifdef SPLASHSCREEN
865 dp->rd_splash.si_depth = ri->ri_depth;
866 dp->rd_splash.si_bits = ri->ri_bits;
867 dp->rd_splash.si_hwbits = ri->ri_hwbits;
868 dp->rd_splash.si_width = ri->ri_width;
869 dp->rd_splash.si_height = ri->ri_height;
870 dp->rd_splash.si_stride = ri->ri_stride;
871 dp->rd_splash.si_fillrect = NULL;
872 #endif
873 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
874 dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
875 dp->rd_gc.gc_rop = RADEON_ROP3_S;
876 dp->rd_gc.gc_blitcookie = dp;
877 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
878 (0x800000 / dp->rd_stride) - (dp->rd_virty + 4),
879 dp->rd_virtx,
880 ri->ri_font->fontwidth,
881 ri->ri_font->fontheight,
882 defattr);
883 if (dp->rd_console) {
884
885 radeonfb_modeswitch(dp);
886 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
887 defattr);
888 #ifdef SPLASHSCREEN
889 if (splash_render(&dp->rd_splash,
890 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
891 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
892 else
893 #endif
894 vcons_replay_msgbuf(&dp->rd_vscreen);
895 } else {
896
897 /*
898 * since we're not the console we can postpone
899 * the rest until someone actually allocates a
900 * screen for us. but we do clear the screen
901 * at least.
902 */
903 memset(ri->ri_bits, 0, 1024);
904
905 radeonfb_modeswitch(dp);
906 #ifdef SPLASHSCREEN
907 if (splash_render(&dp->rd_splash,
908 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
909 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
910 #endif
911 }
912
913 aa.console = dp->rd_console;
914 aa.scrdata = &dp->rd_wsscreenlist;
915 aa.accessops = &radeonfb_accessops;
916 aa.accesscookie = &dp->rd_vd;
917
918 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
919
920 radeonfb_blank(dp, 0);
921
922 /* Initialise delayed lvds operations for backlight. */
923 callout_init(&dp->rd_bl_lvds_co, 0);
924 callout_setfunc(&dp->rd_bl_lvds_co,
925 radeonfb_lvds_callout, dp);
926 dp->rd_bl_on = 1;
927 dp->rd_bl_level = radeonfb_get_backlight(dp);
928 radeonfb_set_backlight(dp, dp->rd_bl_level);
929 }
930
931 /*
932 * if we have console output via firmware like on sparc64 it may
933 * interfere with DAC programming so program the palette again
934 * here after we took over
935 */
936 radeonfb_init_palette(sc, 0);
937 if (HAS_CRTC2(sc))
938 radeonfb_init_palette(sc, 1);
939
940 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
941 radeonfb_brightness_up, TRUE);
942 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
943 radeonfb_brightness_down, TRUE);
944
945 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
946
947 return;
948
949 error:
950 if (sc->sc_biossz)
951 free(sc->sc_bios, M_DEVBUF);
952
953 if (sc->sc_regsz)
954 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
955
956 if (sc->sc_memsz)
957 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
958 }
959
960 static void
961 radeonfb_map(struct radeonfb_softc *sc)
962 {
963 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
964 &sc->sc_regh) != 0) {
965 aprint_error("%s: unable to map registers!\n", XNAME(sc));
966 return;
967 }
968 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
969 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
970 sc->sc_memsz = 0;
971 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
972 return;
973 }
974 }
975
976 static void
977 radeonfb_unmap(struct radeonfb_softc *sc)
978 {
979 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
980 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
981 }
982
983 static int
984 radeonfb_drm_print(void *aux, const char *pnp)
985 {
986 if (pnp)
987 aprint_normal("drm at %s", pnp);
988 return (UNCONF);
989 }
990
991 int
992 radeonfb_ioctl(void *v, void *vs,
993 unsigned long cmd, void *d, int flag, struct lwp *l)
994 {
995 struct vcons_data *vd;
996 struct radeonfb_display *dp;
997 struct radeonfb_softc *sc;
998 struct wsdisplay_param *param;
999
1000 vd = (struct vcons_data *)v;
1001 dp = (struct radeonfb_display *)vd->cookie;
1002 sc = dp->rd_softc;
1003
1004 switch (cmd) {
1005 case WSDISPLAYIO_GTYPE:
1006 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
1007 return 0;
1008
1009 case WSDISPLAYIO_GINFO:
1010 if (vd->active != NULL) {
1011 struct wsdisplay_fbinfo *fb;
1012 fb = (struct wsdisplay_fbinfo *)d;
1013 fb->width = dp->rd_virtx;
1014 fb->height = dp->rd_virty;
1015 fb->depth = dp->rd_bpp;
1016 fb->cmsize = 256;
1017 return 0;
1018 } else
1019 return ENODEV;
1020 case WSDISPLAYIO_GVIDEO:
1021 if (radeonfb_isblank(dp))
1022 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1023 else
1024 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1025 return 0;
1026
1027 case WSDISPLAYIO_SVIDEO:
1028 radeonfb_blank(dp,
1029 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1030 return 0;
1031
1032 case WSDISPLAYIO_GETCMAP:
1033 #if 0
1034 if (dp->rd_bpp == 8)
1035 return radeonfb_getcmap(sc,
1036 (struct wsdisplay_cmap *)d);
1037 #endif
1038 return EINVAL;
1039
1040 case WSDISPLAYIO_PUTCMAP:
1041 #if 0
1042 if (dp->rd_bpp == 8)
1043 return radeonfb_putcmap(sc,
1044 (struct wsdisplay_cmap *)d);
1045 #endif
1046 return EINVAL;
1047
1048 case WSDISPLAYIO_LINEBYTES:
1049 *(unsigned *)d = dp->rd_stride;
1050 return 0;
1051
1052 case WSDISPLAYIO_SMODE:
1053 if (*(int *)d != dp->rd_wsmode) {
1054 dp->rd_wsmode = *(int *)d;
1055 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1056 (dp->rd_vd.active)) {
1057 radeonfb_map(sc);
1058 radeonfb_engine_init(dp);
1059 glyphcache_wipe(&dp->rd_gc);
1060 radeonfb_init_palette(sc, dp == &sc->sc_displays[0] ? 0 : 1);
1061 radeonfb_modeswitch(dp);
1062 vcons_redraw_screen(dp->rd_vd.active);
1063 } else {
1064 radeonfb_unmap(sc);
1065 }
1066 }
1067 return 0;
1068
1069 case WSDISPLAYIO_GCURMAX:
1070 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1071 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1072 return 0;
1073
1074 case WSDISPLAYIO_SCURSOR:
1075 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1076
1077 case WSDISPLAYIO_GCURSOR:
1078 return EPASSTHROUGH;
1079
1080 case WSDISPLAYIO_GCURPOS:
1081 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1082 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1083 return 0;
1084
1085 case WSDISPLAYIO_SCURPOS:
1086 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1087
1088 case WSDISPLAYIO_SSPLASH:
1089 #if defined(SPLASHSCREEN)
1090 if (*(int *)d == 1) {
1091 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1092 splash_render(&dp->rd_splash,
1093 SPLASH_F_CENTER|SPLASH_F_FILL);
1094 } else
1095 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1096 return 0;
1097 #else
1098 return ENODEV;
1099 #endif
1100 case WSDISPLAYIO_GETPARAM:
1101 param = (struct wsdisplay_param *)d;
1102 switch (param->param) {
1103 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1104 param->min = 0;
1105 param->max = 255;
1106 param->curval = dp->rd_bl_level;
1107 return 0;
1108 case WSDISPLAYIO_PARAM_BACKLIGHT:
1109 param->min = 0;
1110 param->max = RADEONFB_BACKLIGHT_MAX;
1111 param->curval = dp->rd_bl_on;
1112 return 0;
1113 }
1114 return EPASSTHROUGH;
1115
1116 case WSDISPLAYIO_SETPARAM:
1117 param = (struct wsdisplay_param *)d;
1118 switch (param->param) {
1119 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1120 radeonfb_set_backlight(dp, param->curval);
1121 return 0;
1122 case WSDISPLAYIO_PARAM_BACKLIGHT:
1123 radeonfb_switch_backlight(dp, param->curval);
1124 return 0;
1125 }
1126 return EPASSTHROUGH;
1127
1128 /* PCI config read/write passthrough. */
1129 case PCI_IOC_CFGREAD:
1130 case PCI_IOC_CFGWRITE:
1131 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1132
1133 case WSDISPLAYIO_GET_BUSID:
1134 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1135 sc->sc_pt, d);
1136
1137 case WSDISPLAYIO_GET_EDID: {
1138 struct wsdisplayio_edid_info *ei = d;
1139 return wsdisplayio_get_edid(sc->sc_dev, ei);
1140 }
1141
1142 default:
1143 return EPASSTHROUGH;
1144 }
1145 }
1146
1147 paddr_t
1148 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1149 {
1150 struct vcons_data *vd;
1151 struct radeonfb_display *dp;
1152 struct radeonfb_softc *sc;
1153 paddr_t pa;
1154
1155 vd = (struct vcons_data *)v;
1156 dp = (struct radeonfb_display *)vd->cookie;
1157 sc = dp->rd_softc;
1158
1159 /* XXX: note that we don't allow mapping of registers right now */
1160 /* XXX: this means that the XFree86 radeon driver won't work */
1161 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1162 pa = bus_space_mmap(sc->sc_memt,
1163 sc->sc_memaddr + dp->rd_offset + offset, 0,
1164 prot, BUS_SPACE_MAP_LINEAR);
1165 return pa;
1166 }
1167
1168 #ifdef RADEONFB_MMAP_BARS
1169 /*
1170 * restrict all other mappings to processes with superuser privileges
1171 * or the kernel itself
1172 */
1173 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1174 NULL, NULL, NULL, NULL) != 0) {
1175 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1176 return -1;
1177 }
1178
1179 if ((offset >= sc->sc_regaddr) &&
1180 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1181 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1182 BUS_SPACE_MAP_LINEAR);
1183 }
1184
1185 if ((offset >= sc->sc_memaddr) &&
1186 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1187 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1188 BUS_SPACE_MAP_LINEAR);
1189 }
1190
1191 if ((offset >= sc->sc_romaddr) &&
1192 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1193 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1194 BUS_SPACE_MAP_LINEAR);
1195 }
1196
1197 #ifdef PCI_MAGIC_IO_RANGE
1198 /* allow mapping of IO space */
1199 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1200 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1201 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1202 0, prot, 0);
1203 return pa;
1204 }
1205 #endif /* PCI_MAGIC_IO_RANGE */
1206
1207 #endif /* RADEONFB_MMAP_BARS */
1208
1209 return -1;
1210 }
1211
1212 static void
1213 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1214 {
1215 bus_space_tag_t romt;
1216 bus_space_handle_t romh, biosh;
1217 bus_size_t romsz;
1218 bus_addr_t ptr;
1219
1220 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1221 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1222 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1223 return;
1224 }
1225
1226 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1227 &sc->sc_biossz);
1228 if (sc->sc_biossz == 0) {
1229 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1230 return;
1231 }
1232
1233 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1234 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1235
1236 /* unmap the PCI expansion rom */
1237 bus_space_unmap(romt, romh, romsz);
1238
1239 /* turn off rom decoder now */
1240 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1241 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1242 ~PCI_MAPREG_ROM_ENABLE);
1243
1244 ptr = GETBIOS16(sc, 0x48);
1245 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1246 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1247 sc->sc_flags |= RFB_ATOM;
1248 }
1249
1250 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1251 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1252 }
1253
1254
1255 uint32_t
1256 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1257 {
1258
1259 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1260 }
1261
1262 void
1263 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1264 {
1265
1266 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1267 }
1268
1269 void
1270 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1271 {
1272
1273 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1274 }
1275
1276 void
1277 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1278 uint32_t andmask, uint32_t ormask)
1279 {
1280 int s;
1281 uint32_t val;
1282
1283 s = splhigh();
1284 val = radeonfb_get32(sc, reg);
1285 val = (val & andmask) | ormask;
1286 radeonfb_put32(sc, reg, val);
1287 splx(s);
1288 }
1289
1290 uint32_t
1291 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1292 {
1293 int s;
1294 uint32_t val;
1295
1296 s = splhigh();
1297 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1298 val = radeonfb_get32(sc, RADEON_MM_DATA);
1299 splx(s);
1300
1301 return (val);
1302 }
1303
1304 void
1305 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1306 {
1307 int s;
1308
1309 s = splhigh();
1310 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1311 radeonfb_put32(sc, RADEON_MM_DATA, val);
1312 splx(s);
1313 }
1314
1315 void
1316 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1317 uint32_t andmask, uint32_t ormask)
1318 {
1319 int s;
1320 uint32_t val;
1321
1322 s = splhigh();
1323 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1324 val = radeonfb_get32(sc, RADEON_MM_DATA);
1325 val = (val & andmask) | ormask;
1326 radeonfb_put32(sc, RADEON_MM_DATA, val);
1327 splx(s);
1328 }
1329
1330 uint32_t
1331 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1332 {
1333 int s;
1334 uint32_t val;
1335
1336 s = splhigh();
1337 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
1338 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1339 if (HAS_R300CG(sc))
1340 radeonfb_r300cg_workaround(sc);
1341 splx(s);
1342
1343 return (val);
1344 }
1345
1346 void
1347 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1348 {
1349 int s;
1350
1351 s = splhigh();
1352 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1353 RADEON_PLL_WR_EN);
1354 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1355 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1356 splx(s);
1357 }
1358
1359 void
1360 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1361 uint32_t andmask, uint32_t ormask)
1362 {
1363 int s;
1364 uint32_t val;
1365
1366 s = splhigh();
1367 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1368 RADEON_PLL_WR_EN);
1369 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1370 val = (val & andmask) | ormask;
1371 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1372 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1373 splx(s);
1374 }
1375
1376 int
1377 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1378 {
1379 uint32_t saved;
1380
1381 saved = GET32(sc, reg);
1382 PUT32(sc, reg, v);
1383 if (GET32(sc, reg) != v) {
1384 return -1;
1385 }
1386 PUT32(sc, reg, saved);
1387 return 0;
1388 }
1389
1390 uintmax_t
1391 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1392 uintmax_t defval)
1393 {
1394 prop_number_t pn;
1395 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1396 if (pn == NULL) {
1397 return defval;
1398 }
1399 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1400 return (prop_number_integer_value(pn));
1401 }
1402
1403 int
1404 radeonfb_getclocks(struct radeonfb_softc *sc)
1405 {
1406 bus_addr_t ptr;
1407 int refclk = 0;
1408 int refdiv = 0;
1409 int minpll = 0;
1410 int maxpll = 0;
1411
1412 /* load initial property values if port/board provides them */
1413 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1414 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1415 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1416 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1417
1418 if (refclk && refdiv && minpll && maxpll)
1419 goto dontprobe;
1420
1421 if (!sc->sc_biossz) {
1422 /* no BIOS */
1423 aprint_verbose("%s: No video BIOS, using default clocks\n",
1424 XNAME(sc));
1425 if (IS_IGP(sc))
1426 refclk = refclk ? refclk : 1432;
1427 else
1428 refclk = refclk ? refclk : 2700;
1429 refdiv = refdiv ? refdiv : 12;
1430 minpll = minpll ? minpll : 12500;
1431 maxpll = maxpll ? maxpll : 35000;
1432 } else if (IS_ATOM(sc)) {
1433 /* ATOM BIOS */
1434 ptr = GETBIOS16(sc, 0x48);
1435 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1436 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1437 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1438 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1439 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1440 /*
1441 * ATOM BIOS doesn't supply a reference divider, so we
1442 * have to probe for it.
1443 */
1444 if (refdiv < 2)
1445 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1446 RADEON_PPLL_REF_DIV_MASK;
1447 /*
1448 * if probe is zero, just assume one that should work
1449 * for most parts
1450 */
1451 if (refdiv < 2)
1452 refdiv = 12;
1453
1454 } else {
1455 /* Legacy BIOS */
1456 ptr = GETBIOS16(sc, 0x48);
1457 ptr = GETBIOS16(sc, ptr + 0x30);
1458 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1459 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1460 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1461 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1462 }
1463
1464
1465 dontprobe:
1466 sc->sc_refclk = refclk * 10;
1467 sc->sc_refdiv = refdiv;
1468 sc->sc_minpll = minpll * 10;
1469 sc->sc_maxpll = maxpll * 10;
1470 return 0;
1471 }
1472
1473 int
1474 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1475 uint32_t *postdivbit, uint32_t *feedbackdiv)
1476 {
1477 int i;
1478 uint32_t outfreq;
1479 int div;
1480
1481 DPRINTF(("dot clock: %u\n", dotclock));
1482 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1483 outfreq = div * dotclock;
1484 if ((outfreq >= sc->sc_minpll) &&
1485 (outfreq <= sc->sc_maxpll)) {
1486 DPRINTF(("outfreq: %u\n", outfreq));
1487 *postdivbit =
1488 ((uint32_t)radeonfb_dividers[i].mask << 16);
1489 DPRINTF(("post divider: %d (mask %x)\n", div,
1490 *postdivbit));
1491 break;
1492 }
1493 }
1494
1495 if (div == 0)
1496 return 1;
1497
1498 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1499 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1500 return 0;
1501 }
1502
1503 #if 0
1504 #ifdef RADEONFB_DEBUG
1505 static void
1506 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1507 {
1508 char asc[17];
1509 unsigned ptr = (unsigned)buffer;
1510 char *start = (char *)(ptr & ~0xf);
1511 char *end = (char *)(ptr + size);
1512
1513 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1514
1515 if (pfx == NULL) {
1516 pfx = "";
1517 }
1518
1519 while (start < end) {
1520 unsigned offset = (unsigned)start & 0xf;
1521 if (offset == 0) {
1522 printf("%s%x: ", pfx, (unsigned)start);
1523 }
1524 if (((unsigned)start < ptr) ||
1525 ((unsigned)start >= (ptr + size))) {
1526 printf(" ");
1527 asc[offset] = ' ';
1528 } else {
1529 printf("%02x", *(unsigned char *)start);
1530 if ((*start >= ' ') && (*start <= '~')) {
1531 asc[offset] = *start;
1532 } else {
1533 asc[offset] = '.';
1534 }
1535 }
1536 asc[offset + 1] = 0;
1537 if (offset % 2) {
1538 printf(" ");
1539 }
1540 if (offset == 15) {
1541 printf(" %s\n", asc);
1542 }
1543 start++;
1544 }
1545 }
1546 #endif
1547 #endif
1548
1549 int
1550 radeonfb_getconnectors(struct radeonfb_softc *sc)
1551 {
1552 int i;
1553 int found = 0;
1554
1555 for (i = 0; i < 2; i++) {
1556 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1557 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1558 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1559 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1560 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1561 }
1562
1563 /*
1564 * This logic is borrowed from Xorg's radeon driver.
1565 */
1566 if (!sc->sc_biossz)
1567 goto nobios;
1568
1569 if (IS_ATOM(sc)) {
1570 /* not done yet */
1571 } else {
1572 uint16_t ptr;
1573 int port = 0;
1574
1575 ptr = GETBIOS16(sc, 0x48);
1576 ptr = GETBIOS16(sc, ptr + 0x50);
1577 for (i = 1; i < 4; i++) {
1578 uint16_t entry;
1579 uint8_t conn, ddc, dac, tmds;
1580
1581 /*
1582 * Parse the connector table. From reading the code,
1583 * it appears to made up of 16-bit entries for each
1584 * connector. The 16-bits are defined as:
1585 *
1586 * bits 12-15 - connector type (0 == end of table)
1587 * bits 8-11 - DDC type
1588 * bits 5-7 - ???
1589 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1590 * bits 1-3 - ???
1591 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1592 */
1593 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1594 break;
1595 entry = GETBIOS16(sc, ptr + i * 2);
1596
1597 conn = (entry >> 12) & 0xf;
1598 ddc = (entry >> 8) & 0xf;
1599 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1600 RADEON_DAC_PRIMARY;
1601 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1602 RADEON_TMDS_INT;
1603
1604 if (conn == RADEON_CONN_NONE)
1605 continue; /* no connector */
1606
1607 if ((found > 0) &&
1608 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1609 /* duplicate entry for same connector */
1610 continue;
1611 }
1612
1613 /* internal DDC_DVI port gets priority */
1614 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1615 port = 0;
1616 else
1617 port = 1;
1618
1619 sc->sc_ports[port].rp_ddc_type =
1620 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1621 sc->sc_ports[port].rp_dac_type = dac;
1622 sc->sc_ports[port].rp_conn_type =
1623 min(conn, RADEON_CONN_UNSUPPORTED) ;
1624
1625 sc->sc_ports[port].rp_tmds_type = tmds;
1626
1627 if ((conn != RADEON_CONN_DVI_I) &&
1628 (conn != RADEON_CONN_DVI_D) &&
1629 (tmds == RADEON_TMDS_INT))
1630 sc->sc_ports[port].rp_tmds_type =
1631 RADEON_TMDS_UNKNOWN;
1632
1633 found += (port + 1);
1634 }
1635 }
1636
1637 nobios:
1638 if (!found) {
1639 DPRINTF(("No connector info in BIOS!\n"));
1640 /* default, port 0 = internal TMDS, port 1 = CRT */
1641 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1642 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1643 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1644 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1645 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1646
1647 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1648 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1649 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1650 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1651 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1652 }
1653
1654 /*
1655 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1656 * these chips should use TVDAC for the VGA port.
1657 */
1658 if (HAS_SDAC(sc)) {
1659 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1660 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1661 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1662 } else {
1663 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1664 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1665 }
1666 } else if (!HAS_CRTC2(sc)) {
1667 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1668 }
1669
1670 for (i = 0; i < 2; i++) {
1671 char edid[128];
1672 uint8_t ddc;
1673 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1674 prop_data_t edid_data;
1675
1676 DPRINTF(("Port #%d:\n", i));
1677 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1678 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1679 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1680 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1681
1682 sc->sc_ports[i].rp_edid_valid = 0;
1683 /* first look for static EDID data */
1684 if ((edid_data = prop_dictionary_get(device_properties(
1685 sc->sc_dev), "EDID")) != NULL) {
1686
1687 aprint_normal_dev(sc->sc_dev, "using static EDID\n");
1688 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1689 if (edid_parse(edid, eip) == 0) {
1690
1691 sc->sc_ports[i].rp_edid_valid = 1;
1692 }
1693 }
1694 /* if we didn't find any we'll try to talk to the monitor */
1695 if (sc->sc_ports[i].rp_edid_valid != 1) {
1696
1697 ddc = sc->sc_ports[i].rp_ddc_type;
1698 if (ddc != RADEON_DDC_NONE) {
1699 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1700 == 0) && (edid_parse(edid, eip) == 0)) {
1701
1702 sc->sc_ports[i].rp_edid_valid = 1;
1703 #ifdef RADEONFB_DEBUG
1704 edid_print(eip);
1705 #endif
1706 }
1707 }
1708 }
1709 }
1710
1711 return found;
1712 }
1713
1714 int
1715 radeonfb_gettmds(struct radeonfb_softc *sc)
1716 {
1717 int i;
1718
1719 if (!sc->sc_biossz) {
1720 goto nobios;
1721 }
1722
1723 if (IS_ATOM(sc)) {
1724 /* XXX: not done yet */
1725 } else {
1726 uint16_t ptr;
1727 int n;
1728
1729 ptr = GETBIOS16(sc, 0x48);
1730 ptr = GETBIOS16(sc, ptr + 0x34);
1731 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1732 if (GETBIOS8(sc, ptr) == 3) {
1733 /* revision three table */
1734 n = GETBIOS8(sc, ptr + 5) + 1;
1735 n = min(n, 4);
1736
1737 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1738 for (i = 0; i < n; i++) {
1739 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1740 ptr + i * 10 + 8);
1741 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1742 ptr + i * 10 + 0x10);
1743 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1744 sc->sc_tmds_pll[i].rtp_freq,
1745 sc->sc_tmds_pll[i].rtp_pll));
1746 }
1747 return 0;
1748 }
1749 }
1750
1751 nobios:
1752 DPRINTF(("no suitable DFP table present\n"));
1753 for (i = 0;
1754 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1755 i++) {
1756 int j;
1757
1758 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1759 continue;
1760
1761 for (j = 0; j < 4; j++) {
1762 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1763 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1764 sc->sc_tmds_pll[j].rtp_freq,
1765 sc->sc_tmds_pll[j].rtp_pll));
1766 }
1767 return 0;
1768 }
1769
1770 return -1;
1771 }
1772
1773 const struct videomode *
1774 radeonfb_modelookup(const char *name)
1775 {
1776 int i;
1777
1778 for (i = 0; i < videomode_count; i++)
1779 if (!strcmp(name, videomode_list[i].name))
1780 return &videomode_list[i];
1781
1782 return NULL;
1783 }
1784
1785 void
1786 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1787 {
1788 if (crtc) {
1789 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1790 RADEON_P2PLL_ATOMIC_UPDATE_R);
1791 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1792 } else {
1793 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1794 RADEON_PPLL_ATOMIC_UPDATE_R);
1795 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1796 }
1797 }
1798
1799 void
1800 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1801 {
1802 int i;
1803
1804 for (i = 10000; i; i--) {
1805 if (crtc) {
1806 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1807 RADEON_P2PLL_ATOMIC_UPDATE_R)
1808 break;
1809 } else {
1810 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1811 RADEON_PPLL_ATOMIC_UPDATE_R)
1812 break;
1813 }
1814 }
1815 }
1816
1817 void
1818 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1819 {
1820 uint32_t pbit = 0;
1821 uint32_t feed = 0;
1822 uint32_t data;
1823 #if 1
1824 int i;
1825 #endif
1826
1827 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1828
1829 if (crtc == 0) {
1830
1831 /* XXXX: mobility workaround missing */
1832 /* XXXX: R300 stuff missing */
1833
1834 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1835 RADEON_VCLK_SRC_SEL_CPUCLK,
1836 ~RADEON_VCLK_SRC_SEL_MASK);
1837
1838 /* put vclk into reset, use atomic updates */
1839 SETPLL(sc, RADEON_PPLL_CNTL,
1840 RADEON_PPLL_REFCLK_SEL |
1841 RADEON_PPLL_FBCLK_SEL |
1842 RADEON_PPLL_RESET |
1843 RADEON_PPLL_ATOMIC_UPDATE_EN |
1844 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1845
1846 /* select clock 3 */
1847 #if 0
1848 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
1849 ~RADEON_PLL_DIV_SEL);
1850 #else
1851 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1852 ~RADEON_PLL_DIV_SEL);
1853 #endif
1854
1855 /* XXX: R300 family -- program divider differently? */
1856
1857 /* program reference divider */
1858 PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
1859 ~RADEON_PPLL_REF_DIV_MASK);
1860 PRINTPLL(RADEON_PPLL_REF_DIV);
1861
1862 #if 0
1863 data = GETPLL(sc, RADEON_PPLL_DIV_3);
1864 data &= ~(RADEON_PPLL_FB3_DIV_MASK |
1865 RADEON_PPLL_POST3_DIV_MASK);
1866 data |= pbit;
1867 data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1868 PUTPLL(sc, RADEON_PPLL_DIV_3, data);
1869 #else
1870 for (i = 0; i < 4; i++) {
1871 }
1872 #endif
1873
1874 /* use the atomic update */
1875 radeonfb_pllwriteupdate(sc, crtc);
1876
1877 /* and wait for it to complete */
1878 radeonfb_pllwaitatomicread(sc, crtc);
1879
1880 /* program HTOTAL (why?) */
1881 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1882
1883 /* drop reset */
1884 CLRPLL(sc, RADEON_PPLL_CNTL,
1885 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
1886 RADEON_PPLL_ATOMIC_UPDATE_EN |
1887 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1888
1889 PRINTPLL(RADEON_PPLL_CNTL);
1890
1891 /* give clock time to lock */
1892 delay(50000);
1893
1894 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1895 RADEON_VCLK_SRC_SEL_PPLLCLK,
1896 ~RADEON_VCLK_SRC_SEL_MASK);
1897
1898 } else {
1899
1900 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1901 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
1902 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1903
1904 /* put vclk into reset, use atomic updates */
1905 SETPLL(sc, RADEON_P2PLL_CNTL,
1906 RADEON_P2PLL_RESET |
1907 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1908 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1909
1910 /* XXX: R300 family -- program divider differently? */
1911
1912 /* program reference divider */
1913 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
1914 ~RADEON_P2PLL_REF_DIV_MASK);
1915
1916 /* program feedback and post dividers */
1917 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
1918 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
1919 RADEON_P2PLL_POST0_DIV_MASK);
1920 data |= pbit;
1921 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
1922 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
1923
1924 /* use the atomic update */
1925 radeonfb_pllwriteupdate(sc, crtc);
1926
1927 /* and wait for it to complete */
1928 radeonfb_pllwaitatomicread(sc, crtc);
1929
1930 /* program HTOTAL (why?) */
1931 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
1932
1933 /* drop reset */
1934 CLRPLL(sc, RADEON_P2PLL_CNTL,
1935 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
1936 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1937 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1938
1939 /* allow time for clock to lock */
1940 delay(50000);
1941
1942 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1943 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
1944 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1945 }
1946 PRINTREG(RADEON_CRTC_MORE_CNTL);
1947 }
1948
1949 void
1950 radeonfb_modeswitch(struct radeonfb_display *dp)
1951 {
1952 struct radeonfb_softc *sc = dp->rd_softc;
1953 int i;
1954
1955 /* blank the display while we switch modes */
1956 radeonfb_blank(dp, 1);
1957
1958 #if 0
1959 SET32(sc, RADEON_CRTC_EXT_CNTL,
1960 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1961 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1962 #endif
1963
1964 /* these registers might get in the way... */
1965 PUT32(sc, RADEON_OVR_CLR, 0);
1966 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
1967 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
1968 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
1969 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
1970 PUT32(sc, RADEON_VIPH_CONTROL, 0);
1971 PUT32(sc, RADEON_I2C_CNTL_1, 0);
1972 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
1973 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
1974 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
1975 PUT32(sc, RADEON_SURFACE_CNTL, 0);
1976
1977 for (i = 0; i < dp->rd_ncrtcs; i++)
1978 radeonfb_setcrtc(dp, i);
1979
1980 /* activate the display */
1981 radeonfb_blank(dp, 0);
1982 }
1983
1984 void
1985 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
1986 {
1987 int crtc;
1988 struct videomode *mode;
1989 struct radeonfb_softc *sc;
1990 struct radeonfb_crtc *cp;
1991 uint32_t v;
1992 uint32_t gencntl;
1993 uint32_t htotaldisp;
1994 uint32_t hsyncstrt;
1995 uint32_t vtotaldisp;
1996 uint32_t vsyncstrt;
1997 uint32_t fphsyncstrt;
1998 uint32_t fpvsyncstrt;
1999 uint32_t fphtotaldisp;
2000 uint32_t fpvtotaldisp;
2001 uint32_t pitch;
2002
2003 sc = dp->rd_softc;
2004 cp = &dp->rd_crtcs[index];
2005 crtc = cp->rc_number;
2006 mode = &cp->rc_videomode;
2007
2008 #if 1
2009 pitch = dp->rd_stride / dp->rd_bpp;
2010 #else
2011 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
2012 (sc->sc_maxbpp * 8));
2013 #endif
2014 switch (crtc) {
2015 case 0:
2016 gencntl = RADEON_CRTC_GEN_CNTL;
2017 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
2018 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
2019 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
2020 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2021 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2022 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2023 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2024 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2025 break;
2026 case 1:
2027 gencntl = RADEON_CRTC2_GEN_CNTL;
2028 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2029 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2030 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2031 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2032 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2033 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2034 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
2035 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
2036 break;
2037 default:
2038 panic("Bad CRTC!");
2039 break;
2040 }
2041
2042 /*
2043 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2044 */
2045 /* only bother with 32bpp and 8bpp */
2046 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2047
2048 if (crtc == 1) {
2049 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2050 } else {
2051 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2052 }
2053
2054 if (mode->flags & VID_DBLSCAN)
2055 v |= RADEON_CRTC2_DBL_SCAN_EN;
2056
2057 if (mode->flags & VID_INTERLACE)
2058 v |= RADEON_CRTC2_INTERLACE_EN;
2059
2060 if (mode->flags & VID_CSYNC) {
2061 v |= RADEON_CRTC2_CSYNC_EN;
2062 if (crtc == 1)
2063 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2064 }
2065
2066 PUT32(sc, gencntl, v);
2067 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2068
2069 /*
2070 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2071 */
2072 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2073 if (crtc == 0) {
2074 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2075 RADEON_CRTC_DISPLAY_DIS);
2076 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2077 if (mode->flags & VID_CSYNC)
2078 v |= RADEON_CRTC_VSYNC_TRISTAT;
2079 }
2080 /* unconditional turn on CRT, in case first CRTC is DFP */
2081 v |= RADEON_CRTC_CRT_ON;
2082 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2083 PRINTREG(RADEON_CRTC_EXT_CNTL);
2084
2085 /*
2086 * H_TOTAL_DISP
2087 */
2088 v = ((mode->hdisplay / 8) - 1) << 16;
2089 v |= (mode->htotal / 8) - 1;
2090 PUT32(sc, htotaldisp, v);
2091 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2092 PUT32(sc, fphtotaldisp, v);
2093 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2094
2095 /*
2096 * H_SYNC_STRT_WID
2097 */
2098 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2099 v |= mode->hsync_start;
2100 if (mode->flags & VID_NHSYNC)
2101 v |= RADEON_CRTC_H_SYNC_POL;
2102 PUT32(sc, hsyncstrt, v);
2103 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2104 PUT32(sc, fphsyncstrt, v);
2105 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2106
2107 /*
2108 * V_TOTAL_DISP
2109 */
2110 v = ((mode->vdisplay - 1) << 16);
2111 v |= (mode->vtotal - 1);
2112 PUT32(sc, vtotaldisp, v);
2113 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2114 PUT32(sc, fpvtotaldisp, v);
2115 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2116
2117 /*
2118 * V_SYNC_STRT_WID
2119 */
2120 v = ((mode->vsync_end - mode->vsync_start) << 16);
2121 v |= (mode->vsync_start - 1);
2122 if (mode->flags & VID_NVSYNC)
2123 v |= RADEON_CRTC_V_SYNC_POL;
2124 PUT32(sc, vsyncstrt, v);
2125 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2126 PUT32(sc, fpvsyncstrt, v);
2127 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2128
2129 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2130
2131 switch (crtc) {
2132 case 0:
2133 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2134 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2135 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2136 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2137
2138 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2139 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2140 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2141 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2142 PRINTREG(RADEON_CRTC_EXT_CNTL);
2143 PRINTREG(RADEON_CRTC_GEN_CNTL);
2144 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2145 break;
2146
2147 case 1:
2148 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2149 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2150 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2151 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2152 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2153 RADEON_CRTC2_VSYNC_DIS |
2154 RADEON_CRTC2_HSYNC_DIS |
2155 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2156 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2157 break;
2158 }
2159 }
2160
2161 int
2162 radeonfb_isblank(struct radeonfb_display *dp)
2163 {
2164 uint32_t reg, mask;
2165
2166 if (dp->rd_crtcs[0].rc_number) {
2167 reg = RADEON_CRTC2_GEN_CNTL;
2168 mask = RADEON_CRTC2_DISP_DIS;
2169 } else {
2170 reg = RADEON_CRTC_EXT_CNTL;
2171 mask = RADEON_CRTC_DISPLAY_DIS;
2172 }
2173 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2174 }
2175
2176 void
2177 radeonfb_blank(struct radeonfb_display *dp, int blank)
2178 {
2179 struct radeonfb_softc *sc = dp->rd_softc;
2180 uint32_t reg, mask;
2181 uint32_t fpreg, fpval;
2182 int i;
2183
2184 for (i = 0; i < dp->rd_ncrtcs; i++) {
2185
2186 if (dp->rd_crtcs[i].rc_number) {
2187 reg = RADEON_CRTC2_GEN_CNTL;
2188 mask = RADEON_CRTC2_DISP_DIS;
2189 fpreg = RADEON_FP2_GEN_CNTL;
2190 fpval = RADEON_FP2_ON;
2191 } else {
2192 reg = RADEON_CRTC_EXT_CNTL;
2193 mask = RADEON_CRTC_DISPLAY_DIS;
2194 fpreg = RADEON_FP_GEN_CNTL;
2195 fpval = RADEON_FP_FPON;
2196 }
2197
2198 if (blank) {
2199 SET32(sc, reg, mask);
2200 CLR32(sc, fpreg, fpval);
2201 } else {
2202 CLR32(sc, reg, mask);
2203 SET32(sc, fpreg, fpval);
2204 }
2205 }
2206 PRINTREG(RADEON_FP_GEN_CNTL);
2207 PRINTREG(RADEON_FP2_GEN_CNTL);
2208 }
2209
2210 void
2211 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2212 long *defattr)
2213 {
2214 struct radeonfb_display *dp = cookie;
2215 struct rasops_info *ri = &scr->scr_ri;
2216
2217 /* initialize font subsystem */
2218 wsfont_init();
2219
2220 DPRINTF(("init screen called, existing %d\n", existing));
2221
2222 ri->ri_depth = dp->rd_bpp;
2223 ri->ri_width = dp->rd_virtx;
2224 ri->ri_height = dp->rd_virty;
2225 ri->ri_stride = dp->rd_stride;
2226 ri->ri_flg = RI_CENTER;
2227 switch (ri->ri_depth) {
2228 case 8:
2229 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB;
2230 break;
2231 case 32:
2232 ri->ri_flg |= RI_ENABLE_ALPHA;
2233 /* we run radeons in RGB even on SPARC hardware */
2234 ri->ri_rnum = 8;
2235 ri->ri_gnum = 8;
2236 ri->ri_bnum = 8;
2237 ri->ri_rpos = 16;
2238 ri->ri_gpos = 8;
2239 ri->ri_bpos = 0;
2240 break;
2241 }
2242
2243 ri->ri_bits = (void *)dp->rd_fbptr;
2244
2245 #ifdef VCONS_DRAW_INTR
2246 scr->scr_flags |= VCONS_DONT_READ;
2247 #endif
2248
2249 if (existing) {
2250 ri->ri_flg |= RI_CLEAR;
2251
2252 /* start a modeswitch now */
2253 radeonfb_modeswitch(dp);
2254 }
2255
2256 /*
2257 * XXX: font selection should be based on properties, with some
2258 * normal/reasonable default.
2259 */
2260
2261 /* initialize and look for an initial font */
2262 rasops_init(ri, 0, 0);
2263 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
2264 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE;
2265
2266 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2267 dp->rd_virtx / ri->ri_font->fontwidth);
2268
2269 /* enable acceleration */
2270 dp->rd_putchar = ri->ri_ops.putchar;
2271 ri->ri_ops.copyrows = radeonfb_copyrows;
2272 ri->ri_ops.copycols = radeonfb_copycols;
2273 ri->ri_ops.eraserows = radeonfb_eraserows;
2274 ri->ri_ops.erasecols = radeonfb_erasecols;
2275 /* pick a putchar method based on font and Radeon model */
2276 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2277 /* got a bitmap font */
2278 if (IS_R300(dp->rd_softc)) {
2279 /*
2280 * radeonfb_putchar() doesn't work right on some R3xx
2281 * so we use software drawing here, the wrapper just
2282 * makes sure the engine is idle before scribbling
2283 * into vram
2284 */
2285 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2286 } else {
2287 ri->ri_ops.putchar = radeonfb_putchar;
2288 }
2289 } else {
2290 /* got an alpha font */
2291 switch(ri->ri_depth) {
2292 case 32:
2293 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2294 break;
2295 case 8:
2296 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2297 break;
2298 default:
2299 /* XXX this should never happen */
2300 panic("%s: depth is not 8 or 32 but we got an" \
2301 " alpha font?!", __func__);
2302 }
2303 }
2304 ri->ri_ops.cursor = radeonfb_cursor;
2305 }
2306
2307 void
2308 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2309 {
2310 uint32_t gen, ext, gen2 = 0;
2311 uint32_t agploc, aperbase, apersize, mcfbloc;
2312
2313 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2314 ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
2315 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2316 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2317 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2318
2319 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2320 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2321 #if 0
2322 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2323 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2324 #endif
2325
2326 if (HAS_CRTC2(sc)) {
2327 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2328 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2329 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2330 }
2331
2332 delay(100000);
2333
2334 mcfbloc = (aperbase >> 16) |
2335 ((aperbase + (apersize - 1)) & 0xffff0000);
2336
2337 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2338 sc->sc_memsz = apersize;
2339
2340 if (((agploc & 0xffff) << 16) !=
2341 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2342 agploc = mcfbloc & 0xffff0000U;
2343 agploc |= ((agploc + 0x10000) >> 16);
2344 }
2345
2346 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2347
2348 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2349 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2350
2351 DPRINTF(("aperbase = %u\n", aperbase));
2352 PRINTREG(RADEON_MC_FB_LOCATION);
2353 PRINTREG(RADEON_MC_AGP_LOCATION);
2354
2355 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2356
2357 if (HAS_CRTC2(sc))
2358 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2359
2360 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2361
2362 #if 0
2363 /* XXX: what is this AGP garbage? :-) */
2364 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2365 #endif
2366
2367 delay(100000);
2368
2369 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2370 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2371
2372 if (HAS_CRTC2(sc))
2373 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2374 }
2375
2376 void
2377 radeonfb_init_misc(struct radeonfb_softc *sc)
2378 {
2379 PUT32(sc, RADEON_BUS_CNTL,
2380 RADEON_BUS_MASTER_DIS |
2381 RADEON_BUS_PREFETCH_MODE_ACT |
2382 RADEON_BUS_PCI_READ_RETRY_EN |
2383 RADEON_BUS_PCI_WRT_RETRY_EN |
2384 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2385 RADEON_BUS_MSTR_RD_MULT |
2386 RADEON_BUS_MSTR_RD_LINE |
2387 RADEON_BUS_RD_DISCARD_EN |
2388 RADEON_BUS_MSTR_DISCONNECT_EN |
2389 RADEON_BUS_READ_BURST);
2390
2391 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2392 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2393 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2394 PUT32(sc, RADEON_RBBM_CNTL,
2395 (3 << RADEON_RB_SETTLE_SHIFT) |
2396 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2397 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2398 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2399
2400 /* XXX: figure out what these mean! */
2401 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2402 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2403 #if 0
2404 PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2405 #endif
2406
2407 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2408 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2409 }
2410
2411 /*
2412 * This loads a linear color map for true color.
2413 */
2414 void
2415 radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
2416 {
2417 int i;
2418 uint32_t vclk;
2419
2420 #define DAC_WIDTH ((1 << 10) - 1)
2421 #define CLUT_WIDTH ((1 << 8) - 1)
2422 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2423
2424 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2425 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2426
2427 if (crtc)
2428 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2429 else
2430 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2431
2432 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2433 if (sc->sc_displays[crtc].rd_bpp == 0)
2434 sc->sc_displays[crtc].rd_bpp = RADEONFB_DEFAULT_DEPTH;
2435
2436 if (sc->sc_displays[crtc].rd_bpp == 8) {
2437 /* ANSI palette */
2438 int j = 0;
2439 uint32_t tmp, r, g, b;
2440
2441 for (i = 0; i <= CLUT_WIDTH; ++i) {
2442 tmp = i & 0xe0;
2443 /*
2444 * replicate bits so 0xe0 maps to a red value of 0xff
2445 * in order to make white look actually white
2446 */
2447 tmp |= (tmp >> 3) | (tmp >> 6);
2448 r = tmp;
2449
2450 tmp = (i & 0x1c) << 3;
2451 tmp |= (tmp >> 3) | (tmp >> 6);
2452 g = tmp;
2453
2454 tmp = (i & 0x03) << 6;
2455 tmp |= tmp >> 2;
2456 tmp |= tmp >> 4;
2457 b = tmp;
2458 PUT32(sc, RADEON_PALETTE_30_DATA,
2459 (r << 22) |
2460 (g << 12) |
2461 (b << 2));
2462 j += 3;
2463 }
2464 } else {
2465 /* linear ramp */
2466 for (i = 0; i <= CLUT_WIDTH; ++i) {
2467 PUT32(sc, RADEON_PALETTE_30_DATA,
2468 (CLUT_COLOR(i) << 10) |
2469 (CLUT_COLOR(i) << 20) |
2470 (CLUT_COLOR(i)));
2471 }
2472 }
2473
2474 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2475 PRINTREG(RADEON_DAC_CNTL2);
2476
2477 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2478 }
2479
2480 /*
2481 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2482 */
2483 void
2484 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2485 {
2486 uint32_t tmp, save;
2487
2488 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2489 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2490 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2491 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2492 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2493 }
2494
2495 /*
2496 * Acceleration entry points.
2497 */
2498
2499 /* this one draws characters using bitmap fonts */
2500 static void
2501 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2502 {
2503 struct rasops_info *ri = cookie;
2504 struct vcons_screen *scr = ri->ri_hw;
2505 struct radeonfb_display *dp = scr->scr_cookie;
2506 struct radeonfb_softc *sc = dp->rd_softc;
2507 struct wsdisplay_font *font = PICK_FONT(ri, c);
2508 uint32_t w, h;
2509 int xd, yd, offset, i;
2510 uint32_t bg, fg, gmc;
2511 uint32_t reg;
2512 uint8_t *data8;
2513 uint16_t *data16;
2514 void *data;
2515
2516 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2517 return;
2518
2519 if (!CHAR_IN_FONT(c, font))
2520 return;
2521
2522 w = font->fontwidth;
2523 h = font->fontheight;
2524
2525 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2526 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2527
2528 xd = ri->ri_xorigin + col * w;
2529 yd = ri->ri_yorigin + row * h;
2530
2531 if (c == 0x20) {
2532 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2533 return;
2534 }
2535 data = WSFONT_GLYPH(c, font);
2536
2537 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2538
2539 radeonfb_wait_fifo(sc, 9);
2540
2541 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2542 RADEON_GMC_BRUSH_NONE |
2543 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2544 RADEON_GMC_DST_CLIPPING |
2545 RADEON_ROP3_S |
2546 RADEON_DP_SRC_SOURCE_HOST_DATA |
2547 RADEON_GMC_CLR_CMP_CNTL_DIS |
2548 RADEON_GMC_WR_MSK_DIS |
2549 gmc);
2550
2551 PUT32(sc, RADEON_SC_LEFT, xd);
2552 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2553 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2554 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2555 PUT32(sc, RADEON_DP_CNTL,
2556 RADEON_DST_X_LEFT_TO_RIGHT |
2557 RADEON_DST_Y_TOP_TO_BOTTOM);
2558
2559 PUT32(sc, RADEON_SRC_X_Y, 0);
2560 offset = 32 - (font->stride << 3);
2561 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2562 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2563
2564 radeonfb_wait_fifo(sc, h);
2565 switch (font->stride) {
2566 case 1: {
2567 data8 = data;
2568 for (i = 0; i < h; i++) {
2569 reg = *data8;
2570 bus_space_write_stream_4(sc->sc_regt,
2571 sc->sc_regh, RADEON_HOST_DATA0, reg);
2572 data8++;
2573 }
2574 break;
2575 }
2576 case 2: {
2577 data16 = data;
2578 for (i = 0; i < h; i++) {
2579 reg = *data16;
2580 bus_space_write_stream_4(sc->sc_regt,
2581 sc->sc_regh, RADEON_HOST_DATA0, reg);
2582 data16++;
2583 }
2584 break;
2585 }
2586 }
2587 if (attr & 1)
2588 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2589 }
2590
2591 /* ... while this one is for anti-aliased ones */
2592 static void
2593 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
2594 {
2595 struct rasops_info *ri = cookie;
2596 struct vcons_screen *scr = ri->ri_hw;
2597 struct radeonfb_display *dp = scr->scr_cookie;
2598 struct radeonfb_softc *sc = dp->rd_softc;
2599 struct wsdisplay_font *font = PICK_FONT(ri, c);
2600 uint32_t bg, fg, gmc;
2601 uint8_t *data;
2602 int w, h, xd, yd;
2603 int i, r, g, b, aval;
2604 int rf, gf, bf, rb, gb, bb;
2605 uint32_t pixel;
2606 int rv;
2607
2608 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2609 return;
2610
2611 if (!CHAR_IN_FONT(c, font))
2612 return;
2613
2614 w = font->fontwidth;
2615 h = font->fontheight;
2616
2617 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2618 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2619
2620 xd = ri->ri_xorigin + col * w;
2621 yd = ri->ri_yorigin + row * h;
2622
2623 if (c == 0x20) {
2624 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2625 if (attr & 1)
2626 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2627 return;
2628 }
2629 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
2630 if (rv == GC_OK)
2631 return;
2632
2633 data = WSFONT_GLYPH(c, font);
2634
2635 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2636
2637 radeonfb_wait_fifo(sc, 5);
2638
2639 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2640 RADEON_GMC_BRUSH_NONE |
2641 RADEON_GMC_SRC_DATATYPE_COLOR |
2642 RADEON_ROP3_S |
2643 RADEON_DP_SRC_SOURCE_HOST_DATA |
2644 RADEON_GMC_CLR_CMP_CNTL_DIS |
2645 RADEON_GMC_WR_MSK_DIS |
2646 gmc);
2647
2648 PUT32(sc, RADEON_DP_CNTL,
2649 RADEON_DST_X_LEFT_TO_RIGHT |
2650 RADEON_DST_Y_TOP_TO_BOTTOM);
2651
2652 PUT32(sc, RADEON_SRC_X_Y, 0);
2653 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2654 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
2655
2656 rf = (fg >> 16) & 0xff;
2657 rb = (bg >> 16) & 0xff;
2658 gf = (fg >> 8) & 0xff;
2659 gb = (bg >> 8) & 0xff;
2660 bf = fg & 0xff;
2661 bb = bg & 0xff;
2662
2663 /*
2664 * I doubt we can upload data faster than even the slowest Radeon
2665 * could process them, especially when doing the alpha blending stuff
2666 * along the way, so just make sure there's some room in the FIFO and
2667 * then hammer away
2668 * As it turns out we can, so make periodic stops to let the FIFO
2669 * drain.
2670 */
2671 radeonfb_wait_fifo(sc, 20);
2672 for (i = 0; i < ri->ri_fontscale; i++) {
2673 aval = *data;
2674 data++;
2675 if (aval == 0) {
2676 pixel = bg;
2677 } else if (aval == 255) {
2678 pixel = fg;
2679 } else {
2680 r = aval * rf + (255 - aval) * rb;
2681 g = aval * gf + (255 - aval) * gb;
2682 b = aval * bf + (255 - aval) * bb;
2683 pixel = (r & 0xff00) << 8 |
2684 (g & 0xff00) |
2685 (b & 0xff00) >> 8;
2686 }
2687 if (i & 16)
2688 radeonfb_wait_fifo(sc, 20);
2689 PUT32(sc, RADEON_HOST_DATA0, pixel);
2690 }
2691 if (rv == GC_ADD) {
2692 glyphcache_add(&dp->rd_gc, c, xd, yd);
2693 } else
2694 if (attr & 1)
2695 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2696
2697 }
2698
2699 static void
2700 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
2701 {
2702 struct rasops_info *ri = cookie;
2703 struct vcons_screen *scr = ri->ri_hw;
2704 struct radeonfb_display *dp = scr->scr_cookie;
2705 struct radeonfb_softc *sc = dp->rd_softc;
2706 struct wsdisplay_font *font = PICK_FONT(ri, c);
2707 uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
2708 int i, x, y, wi, he, r, g, b, aval;
2709 int r1, g1, b1, r0, g0, b0, fgo, bgo;
2710 uint8_t *data8;
2711 int rv, cnt;
2712
2713 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2714 return;
2715
2716 if (!CHAR_IN_FONT(c, font))
2717 return;
2718
2719 wi = font->fontwidth;
2720 he = font->fontheight;
2721
2722 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2723 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2724
2725 x = ri->ri_xorigin + col * wi;
2726 y = ri->ri_yorigin + row * he;
2727
2728 if (c == 0x20) {
2729 radeonfb_rectfill(dp, x, y, wi, he, bg);
2730 if (attr & 1)
2731 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2732 return;
2733 }
2734 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
2735 if (rv == GC_OK)
2736 return;
2737
2738 data8 = WSFONT_GLYPH(c, font);
2739
2740 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2741
2742 radeonfb_wait_fifo(sc, 5);
2743
2744 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2745 RADEON_GMC_BRUSH_NONE |
2746 RADEON_GMC_SRC_DATATYPE_COLOR |
2747 RADEON_ROP3_S |
2748 RADEON_DP_SRC_SOURCE_HOST_DATA |
2749 RADEON_GMC_CLR_CMP_CNTL_DIS |
2750 RADEON_GMC_WR_MSK_DIS |
2751 gmc);
2752
2753 PUT32(sc, RADEON_DP_CNTL,
2754 RADEON_DST_X_LEFT_TO_RIGHT |
2755 RADEON_DST_Y_TOP_TO_BOTTOM);
2756
2757 PUT32(sc, RADEON_SRC_X_Y, 0);
2758 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
2759 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
2760
2761 /*
2762 * we need the RGB colours here, so get offsets into rasops_cmap
2763 */
2764 fgo = ((attr >> 24) & 0xf) * 3;
2765 bgo = ((attr >> 16) & 0xf) * 3;
2766
2767 r0 = rasops_cmap[bgo];
2768 r1 = rasops_cmap[fgo];
2769 g0 = rasops_cmap[bgo + 1];
2770 g1 = rasops_cmap[fgo + 1];
2771 b0 = rasops_cmap[bgo + 2];
2772 b1 = rasops_cmap[fgo + 2];
2773 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
2774 bg8 = R3G3B2(r0, g0, b0);
2775 fg8 = R3G3B2(r1, g1, b1);
2776
2777 radeonfb_wait_fifo(sc, 20);
2778 cnt = 0;
2779 for (i = 0; i < ri->ri_fontscale; i++) {
2780 aval = *data8;
2781 if (aval == 0) {
2782 pixel = bg8;
2783 } else if (aval == 255) {
2784 pixel = fg8;
2785 } else {
2786 r = aval * r1 + (255 - aval) * r0;
2787 g = aval * g1 + (255 - aval) * g0;
2788 b = aval * b1 + (255 - aval) * b0;
2789 pixel = ((r & 0xe000) >> 8) |
2790 ((g & 0xe000) >> 11) |
2791 ((b & 0xc000) >> 14);
2792 }
2793 latch = (latch << 8) | pixel;
2794 /* write in 32bit chunks */
2795 if ((i & 3) == 3) {
2796 PUT32S(sc, RADEON_HOST_DATA0, latch);
2797 /*
2798 * not strictly necessary, old data should be shifted
2799 * out
2800 */
2801 latch = 0;
2802 cnt++;
2803 if (cnt > 16) {
2804 cnt = 0;
2805 radeonfb_wait_fifo(sc, 20);
2806 }
2807 }
2808 data8++;
2809 }
2810 /* if we have pixels left in latch write them out */
2811 if ((i & 3) != 0) {
2812 /*
2813 * radeon is weird - apparently leftover pixels are written
2814 * from the middle, not from the left as everything else
2815 */
2816 PUT32(sc, RADEON_HOST_DATA0, latch);
2817 }
2818
2819 if (rv == GC_ADD) {
2820 glyphcache_add(&dp->rd_gc, c, x, y);
2821 } else
2822 if (attr & 1)
2823 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2824
2825 }
2826
2827 /*
2828 * wrapper for software character drawing
2829 * just sync the engine and call rasops*_putchar()
2830 */
2831
2832 static void
2833 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
2834 {
2835 struct rasops_info *ri = cookie;
2836 struct vcons_screen *scr = ri->ri_hw;
2837 struct radeonfb_display *dp = scr->scr_cookie;
2838
2839 radeonfb_engine_idle(dp->rd_softc);
2840 dp->rd_putchar(ri, row, col, c, attr);
2841 }
2842
2843 static void
2844 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2845 {
2846 struct rasops_info *ri = cookie;
2847 struct vcons_screen *scr = ri->ri_hw;
2848 struct radeonfb_display *dp = scr->scr_cookie;
2849 uint32_t x, y, w, h, fg, bg, ul;
2850
2851 /* XXX: check for full emulation mode? */
2852 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2853 x = ri->ri_xorigin;
2854 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2855 w = ri->ri_emuwidth;
2856 h = ri->ri_font->fontheight * nrows;
2857
2858 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2859 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2860 }
2861 }
2862
2863 static void
2864 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
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, ys, yd, w, h;
2870
2871 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2872 x = ri->ri_xorigin;
2873 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
2874 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
2875 w = ri->ri_emuwidth;
2876 h = ri->ri_font->fontheight * nrows;
2877 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
2878 RADEON_ROP3_S);
2879 }
2880 }
2881
2882 static void
2883 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
2884 {
2885 struct rasops_info *ri = cookie;
2886 struct vcons_screen *scr = ri->ri_hw;
2887 struct radeonfb_display *dp = scr->scr_cookie;
2888 uint32_t xs, xd, y, w, h;
2889
2890 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2891 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
2892 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
2893 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2894 w = ri->ri_font->fontwidth * ncols;
2895 h = ri->ri_font->fontheight;
2896 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
2897 RADEON_ROP3_S);
2898 }
2899 }
2900
2901 static void
2902 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
2903 long fillattr)
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 x, y, w, h, fg, bg, ul;
2909
2910 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2911 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
2912 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2913 w = ri->ri_font->fontwidth * ncols;
2914 h = ri->ri_font->fontheight;
2915
2916 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2917 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2918 }
2919 }
2920
2921 static void
2922 radeonfb_cursor(void *cookie, int on, int row, int col)
2923 {
2924 struct rasops_info *ri = cookie;
2925 struct vcons_screen *scr = ri->ri_hw;
2926 struct radeonfb_display *dp = scr->scr_cookie;
2927 int x, y, wi, he;
2928
2929 wi = ri->ri_font->fontwidth;
2930 he = ri->ri_font->fontheight;
2931
2932 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2933 x = ri->ri_ccol * wi + ri->ri_xorigin;
2934 y = ri->ri_crow * he + ri->ri_yorigin;
2935 /* first turn off the old cursor */
2936 if (ri->ri_flg & RI_CURSOR) {
2937 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2938 RADEON_ROP3_Dn);
2939 ri->ri_flg &= ~RI_CURSOR;
2940 }
2941 ri->ri_crow = row;
2942 ri->ri_ccol = col;
2943 /* then (possibly) turn on the new one */
2944 if (on) {
2945 x = ri->ri_ccol * wi + ri->ri_xorigin;
2946 y = ri->ri_crow * he + ri->ri_yorigin;
2947 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2948 RADEON_ROP3_Dn);
2949 ri->ri_flg |= RI_CURSOR;
2950 }
2951 } else {
2952 scr->scr_ri.ri_crow = row;
2953 scr->scr_ri.ri_ccol = col;
2954 scr->scr_ri.ri_flg &= ~RI_CURSOR;
2955 }
2956 }
2957
2958 /*
2959 * Underlying acceleration support.
2960 */
2961
2962 static void
2963 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
2964 int width, int height, uint32_t color)
2965 {
2966 struct radeonfb_softc *sc = dp->rd_softc;
2967 uint32_t gmc;
2968
2969 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2970
2971 radeonfb_wait_fifo(sc, 6);
2972
2973 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2974 RADEON_GMC_BRUSH_SOLID_COLOR |
2975 RADEON_GMC_SRC_DATATYPE_COLOR |
2976 RADEON_GMC_CLR_CMP_CNTL_DIS |
2977 RADEON_ROP3_P | gmc);
2978
2979 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
2980 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2981 PUT32(sc, RADEON_DP_CNTL,
2982 RADEON_DST_X_LEFT_TO_RIGHT |
2983 RADEON_DST_Y_TOP_TO_BOTTOM);
2984 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2985 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2986
2987 }
2988
2989 static void
2990 radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
2991 int width, int height, long attr)
2992 {
2993 struct radeonfb_display *dp = cookie;
2994
2995 radeonfb_rectfill(dp, dstx, dsty, width, height,
2996 dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
2997 }
2998
2999 static void
3000 radeonfb_bitblt(void *cookie, int srcx, int srcy,
3001 int dstx, int dsty, int width, int height, int rop)
3002 {
3003 struct radeonfb_display *dp = cookie;
3004 struct radeonfb_softc *sc = dp->rd_softc;
3005 uint32_t gmc;
3006 uint32_t dir;
3007
3008 if (dsty < srcy) {
3009 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
3010 } else {
3011 srcy += height - 1;
3012 dsty += height - 1;
3013 dir = 0;
3014 }
3015 if (dstx < srcx) {
3016 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
3017 } else {
3018 srcx += width - 1;
3019 dstx += width - 1;
3020 }
3021
3022 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3023
3024 radeonfb_wait_fifo(sc, 6);
3025
3026 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3027 RADEON_GMC_BRUSH_SOLID_COLOR |
3028 RADEON_GMC_SRC_DATATYPE_COLOR |
3029 RADEON_GMC_CLR_CMP_CNTL_DIS |
3030 RADEON_DP_SRC_SOURCE_MEMORY |
3031 rop | gmc);
3032
3033 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3034 PUT32(sc, RADEON_DP_CNTL, dir);
3035 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
3036 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3037 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3038 }
3039
3040 static void
3041 radeonfb_engine_idle(struct radeonfb_softc *sc)
3042 {
3043
3044 radeonfb_wait_fifo(sc, 64);
3045 while ((GET32(sc, RADEON_RBBM_STATUS) &
3046 RADEON_RBBM_ACTIVE) != 0);
3047 radeonfb_engine_flush(sc);
3048 }
3049
3050 static inline void
3051 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
3052 {
3053 int i;
3054
3055 for (i = RADEON_TIMEOUT; i; i--) {
3056 if ((GET32(sc, RADEON_RBBM_STATUS) &
3057 RADEON_RBBM_FIFOCNT_MASK) >= n)
3058 return;
3059 }
3060 #ifdef DIAGNOSTIC
3061 if (!i)
3062 printf("%s: timed out waiting for fifo (%x)\n",
3063 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3064 #endif
3065 }
3066
3067 static void
3068 radeonfb_engine_flush(struct radeonfb_softc *sc)
3069 {
3070 int i = 0;
3071
3072 if (IS_R300(sc)) {
3073 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3074 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3075 i++;
3076 }
3077 } else {
3078 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3079 RADEON_RB2D_DC_FLUSH_ALL);
3080 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3081 RADEON_RB2D_DC_BUSY) {
3082 i++;
3083 }
3084 }
3085 #ifdef DIAGNOSTIC
3086 if (i > RADEON_TIMEOUT)
3087 printf("%s: engine flush timed out!\n", XNAME(sc));
3088 #endif
3089 }
3090
3091 static inline void
3092 radeonfb_unclip(struct radeonfb_softc *sc)
3093 {
3094
3095 radeonfb_wait_fifo(sc, 2);
3096 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3097 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3098 }
3099
3100 static void
3101 radeonfb_engine_init(struct radeonfb_display *dp)
3102 {
3103 struct radeonfb_softc *sc = dp->rd_softc;
3104 uint32_t pitch;
3105 volatile uint32_t junk;
3106
3107 /* no 3D */
3108 PUT32(sc, RADEON_RB3D_CNTL, 0);
3109
3110 radeonfb_engine_reset(sc);
3111 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
3112
3113 radeonfb_wait_fifo(sc, 1);
3114 if (!IS_R300(sc))
3115 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3116
3117 radeonfb_wait_fifo(sc, 3);
3118 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
3119 (pitch << 22) | (sc->sc_aperbase >> 10));
3120
3121
3122 PUT32(sc, RADEON_DST_PITCH_OFFSET,
3123 (pitch << 22) | (sc->sc_aperbase >> 10));
3124 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
3125 (pitch << 22) | (sc->sc_aperbase >> 10));
3126
3127 radeonfb_wait_fifo(sc, 1);
3128 #if _BYTE_ORDER == _BIG_ENDIAN
3129 SET32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
3130 #else
3131 CLR32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
3132 #endif
3133 junk = GET32(sc, RADEON_DP_DATATYPE);
3134
3135 /* default scissors -- no clipping */
3136 radeonfb_wait_fifo(sc, 1);
3137 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3138 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3139
3140 radeonfb_wait_fifo(sc, 1);
3141 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3142 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3143 RADEON_GMC_CLR_CMP_CNTL_DIS |
3144 RADEON_GMC_BRUSH_SOLID_COLOR |
3145 RADEON_GMC_SRC_DATATYPE_COLOR);
3146
3147 radeonfb_wait_fifo(sc, 10);
3148 PUT32(sc, RADEON_DST_LINE_START, 0);
3149 PUT32(sc, RADEON_DST_LINE_END, 0);
3150 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3151 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3152 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3153 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3154 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3155 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3156 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3157 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3158 radeonfb_engine_idle(sc);
3159 }
3160
3161 static void
3162 radeonfb_engine_reset(struct radeonfb_softc *sc)
3163 {
3164 uint32_t hpc, rbbm, mclkcntl, clkindex;
3165
3166 radeonfb_engine_flush(sc);
3167
3168 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3169 if (HAS_R300CG(sc))
3170 radeonfb_r300cg_workaround(sc);
3171 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3172
3173 /*
3174 * According to comments in XFree code, resetting the HDP via
3175 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3176 * So we use HOST_PATH_CNTL instead.
3177 */
3178
3179 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3180 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3181 if (IS_R300(sc)) {
3182 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3183 RADEON_SOFT_RESET_CP |
3184 RADEON_SOFT_RESET_HI |
3185 RADEON_SOFT_RESET_E2);
3186 GET32(sc, RADEON_RBBM_SOFT_RESET);
3187 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3188 /*
3189 * XXX: this bit is not defined in any ATI docs I have,
3190 * nor in the XFree code, but XFree does it. Why?
3191 */
3192 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
3193 } else {
3194 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3195 RADEON_SOFT_RESET_CP |
3196 RADEON_SOFT_RESET_SE |
3197 RADEON_SOFT_RESET_RE |
3198 RADEON_SOFT_RESET_PP |
3199 RADEON_SOFT_RESET_E2 |
3200 RADEON_SOFT_RESET_RB);
3201 GET32(sc, RADEON_RBBM_SOFT_RESET);
3202 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3203 ~(RADEON_SOFT_RESET_CP |
3204 RADEON_SOFT_RESET_SE |
3205 RADEON_SOFT_RESET_RE |
3206 RADEON_SOFT_RESET_PP |
3207 RADEON_SOFT_RESET_E2 |
3208 RADEON_SOFT_RESET_RB));
3209 GET32(sc, RADEON_RBBM_SOFT_RESET);
3210 }
3211
3212 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3213 GET32(sc, RADEON_HOST_PATH_CNTL);
3214 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3215
3216 if (IS_R300(sc))
3217 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3218
3219 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3220 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3221
3222 if (HAS_R300CG(sc))
3223 radeonfb_r300cg_workaround(sc);
3224 }
3225
3226 static int
3227 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3228 {
3229 int x, y;
3230
3231 x = pos->x;
3232 y = pos->y;
3233
3234 /*
3235 * This doesn't let a cursor move off the screen. I'm not
3236 * sure if this will have negative effects for e.g. Xinerama.
3237 * I'd guess Xinerama handles it by changing the cursor shape,
3238 * but that needs verification.
3239 */
3240 if (x >= dp->rd_virtx)
3241 x = dp->rd_virtx - 1;
3242 if (x < 0)
3243 x = 0;
3244 if (y >= dp->rd_virty)
3245 y = dp->rd_virty - 1;
3246 if (y < 0)
3247 y = 0;
3248
3249 dp->rd_cursor.rc_pos.x = x;
3250 dp->rd_cursor.rc_pos.y = y;
3251
3252 radeonfb_cursor_position(dp);
3253 return 0;
3254 }
3255
3256 static int
3257 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3258 {
3259 unsigned flags;
3260
3261 uint8_t r[2], g[2], b[2];
3262 unsigned index, count;
3263 int i, err;
3264 int pitch, size;
3265 struct radeonfb_cursor nc;
3266
3267 flags = wc->which;
3268
3269 /* copy old values */
3270 nc = dp->rd_cursor;
3271
3272 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3273 index = wc->cmap.index;
3274 count = wc->cmap.count;
3275
3276 if (index >= 2 || (index + count) > 2)
3277 return EINVAL;
3278
3279 err = copyin(wc->cmap.red, &r[index], count);
3280 if (err)
3281 return err;
3282 err = copyin(wc->cmap.green, &g[index], count);
3283 if (err)
3284 return err;
3285 err = copyin(wc->cmap.blue, &b[index], count);
3286 if (err)
3287 return err;
3288
3289 for (i = index; i < index + count; i++) {
3290 nc.rc_cmap[i] =
3291 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3292 }
3293 }
3294
3295 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3296 if ((wc->size.x > RADEON_CURSORMAXX) ||
3297 (wc->size.y > RADEON_CURSORMAXY))
3298 return EINVAL;
3299
3300 /* figure bytes per line */
3301 pitch = (wc->size.x + 7) / 8;
3302 size = pitch * wc->size.y;
3303
3304 /* clear the old cursor and mask */
3305 memset(nc.rc_image, 0, 512);
3306 memset(nc.rc_mask, 0, 512);
3307
3308 nc.rc_size = wc->size;
3309
3310 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3311 return err;
3312
3313 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3314 return err;
3315 }
3316
3317 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3318 nc.rc_hot = wc->hot;
3319 if (nc.rc_hot.x >= nc.rc_size.x)
3320 nc.rc_hot.x = nc.rc_size.x - 1;
3321 if (nc.rc_hot.y >= nc.rc_size.y)
3322 nc.rc_hot.y = nc.rc_size.y - 1;
3323 }
3324
3325 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3326 nc.rc_pos = wc->pos;
3327 if (nc.rc_pos.x >= dp->rd_virtx)
3328 nc.rc_pos.x = dp->rd_virtx - 1;
3329 #if 0
3330 if (nc.rc_pos.x < 0)
3331 nc.rc_pos.x = 0;
3332 #endif
3333 if (nc.rc_pos.y >= dp->rd_virty)
3334 nc.rc_pos.y = dp->rd_virty - 1;
3335 #if 0
3336 if (nc.rc_pos.y < 0)
3337 nc.rc_pos.y = 0;
3338 #endif
3339 }
3340 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3341 nc.rc_visible = wc->enable;
3342 }
3343
3344 dp->rd_cursor = nc;
3345 radeonfb_cursor_update(dp, wc->which);
3346
3347 return 0;
3348 }
3349
3350 /*
3351 * Change the cursor shape. Call this with the cursor locked to avoid
3352 * flickering/tearing.
3353 */
3354 static void
3355 radeonfb_cursor_shape(struct radeonfb_display *dp)
3356 {
3357 uint8_t and[512], xor[512];
3358 int i, j, src, dst, pitch;
3359 const uint8_t *msk = dp->rd_cursor.rc_mask;
3360 const uint8_t *img = dp->rd_cursor.rc_image;
3361
3362 /*
3363 * Radeon cursor data interleaves one line of AND data followed
3364 * by a line of XOR data. (Each line corresponds to a whole hardware
3365 * pitch - i.e. 64 pixels or 8 bytes.)
3366 *
3367 * The cursor is displayed using the following table:
3368 *
3369 * AND XOR Result
3370 * ----------------------
3371 * 0 0 Cursor color 0
3372 * 0 1 Cursor color 1
3373 * 1 0 Transparent
3374 * 1 1 Complement of background
3375 *
3376 * Our masks are therefore different from what we were passed.
3377 * Passed in, I'm assuming the data represents either color 0 or 1,
3378 * and a mask, so the passed in table looks like:
3379 *
3380 * IMG Mask Result
3381 * -----------------------
3382 * 0 0 Transparent
3383 * 0 1 Cursor color 0
3384 * 1 0 Transparent
3385 * 1 1 Cursor color 1
3386 *
3387 * IF mask bit == 1, AND = 0, XOR = color.
3388 * IF mask bit == 0, AND = 1, XOR = 0.
3389 *
3390 * hence: AND = ~(mask); XOR = color & ~(mask);
3391 */
3392
3393 pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
3394
3395 /* start by assuming all bits are transparent */
3396 memset(and, 0xff, 512);
3397 memset(xor, 0x00, 512);
3398
3399 src = 0;
3400 dst = 0;
3401 for (i = 0; i < 64; i++) {
3402 for (j = 0; j < 64; j += 8) {
3403 if ((i < dp->rd_cursor.rc_size.y) &&
3404 (j < dp->rd_cursor.rc_size.x)) {
3405
3406 /* take care to leave odd bits alone */
3407 and[dst] &= ~(msk[src]);
3408 xor[dst] = img[src] & msk[src];
3409 src++;
3410 }
3411 dst++;
3412 }
3413 }
3414
3415 /* copy the image into place */
3416 for (i = 0; i < 64; i++) {
3417 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3418 &and[i * 8], 8);
3419 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3420 &xor[i * 8], 8);
3421 }
3422 }
3423
3424 static void
3425 radeonfb_cursor_position(struct radeonfb_display *dp)
3426 {
3427 struct radeonfb_softc *sc = dp->rd_softc;
3428 uint32_t offset, hvoff, hvpos; /* registers */
3429 uint32_t coff; /* cursor offset */
3430 int i, x, y, xoff, yoff, crtcoff;
3431
3432 /*
3433 * XXX: this also needs to handle pan/scan
3434 */
3435 for (i = 0; i < dp->rd_ncrtcs; i++) {
3436
3437 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3438
3439 if (rcp->rc_number) {
3440 offset = RADEON_CUR2_OFFSET;
3441 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3442 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3443 crtcoff = RADEON_CRTC2_OFFSET;
3444 } else {
3445 offset = RADEON_CUR_OFFSET;
3446 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3447 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3448 crtcoff = RADEON_CRTC_OFFSET;
3449 }
3450
3451 x = dp->rd_cursor.rc_pos.x;
3452 y = dp->rd_cursor.rc_pos.y;
3453
3454 while (y < rcp->rc_yoffset) {
3455 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3456 }
3457 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3458 rcp->rc_yoffset += RADEON_PANINCREMENT;
3459 }
3460 while (x < rcp->rc_xoffset) {
3461 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3462 }
3463 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3464 rcp->rc_xoffset += RADEON_PANINCREMENT;
3465 }
3466
3467 /* adjust for the cursor's hotspot */
3468 x -= dp->rd_cursor.rc_hot.x;
3469 y -= dp->rd_cursor.rc_hot.y;
3470 xoff = yoff = 0;
3471
3472 if (x >= dp->rd_virtx)
3473 x = dp->rd_virtx - 1;
3474 if (y >= dp->rd_virty)
3475 y = dp->rd_virty - 1;
3476
3477 /* now adjust cursor so it is relative to viewport */
3478 x -= rcp->rc_xoffset;
3479 y -= rcp->rc_yoffset;
3480
3481 /*
3482 * no need to check for fall off, because we should
3483 * never move off the screen entirely!
3484 */
3485 coff = 0;
3486 if (x < 0) {
3487 xoff = -x;
3488 x = 0;
3489 }
3490 if (y < 0) {
3491 yoff = -y;
3492 y = 0;
3493 coff = (yoff * 2) * 8;
3494 }
3495
3496 /* pan the display */
3497 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3498 rcp->rc_xoffset);
3499
3500 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3501 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3502 /* NB: this unlocks the cursor */
3503 PUT32(sc, hvpos, (x << 16) | y);
3504 }
3505 }
3506
3507 static void
3508 radeonfb_cursor_visible(struct radeonfb_display *dp)
3509 {
3510 int i;
3511 uint32_t gencntl, bit;
3512
3513 for (i = 0; i < dp->rd_ncrtcs; i++) {
3514 if (dp->rd_crtcs[i].rc_number) {
3515 gencntl = RADEON_CRTC2_GEN_CNTL;
3516 bit = RADEON_CRTC2_CUR_EN;
3517 } else {
3518 gencntl = RADEON_CRTC_GEN_CNTL;
3519 bit = RADEON_CRTC_CUR_EN;
3520 }
3521
3522 if (dp->rd_cursor.rc_visible)
3523 SET32(dp->rd_softc, gencntl, bit);
3524 else
3525 CLR32(dp->rd_softc, gencntl, bit);
3526 }
3527 }
3528
3529 static void
3530 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3531 {
3532 int i;
3533 uint32_t c0reg, c1reg;
3534 struct radeonfb_softc *sc = dp->rd_softc;
3535
3536 for (i = 0; i < dp->rd_ncrtcs; i++) {
3537 if (dp->rd_crtcs[i].rc_number) {
3538 c0reg = RADEON_CUR2_CLR0;
3539 c1reg = RADEON_CUR2_CLR1;
3540 } else {
3541 c0reg = RADEON_CUR_CLR0;
3542 c1reg = RADEON_CUR_CLR1;
3543 }
3544
3545 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3546 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3547 }
3548 }
3549
3550 static void
3551 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3552 {
3553 struct radeonfb_softc *sc;
3554 int i;
3555
3556 sc = dp->rd_softc;
3557 for (i = 0; i < dp->rd_ncrtcs; i++) {
3558 if (dp->rd_crtcs[i].rc_number) {
3559 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3560 } else {
3561 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3562 }
3563 }
3564
3565 if (which & WSDISPLAY_CURSOR_DOCMAP)
3566 radeonfb_cursor_cmap(dp);
3567
3568 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3569 radeonfb_cursor_shape(dp);
3570
3571 if (which & WSDISPLAY_CURSOR_DOCUR)
3572 radeonfb_cursor_visible(dp);
3573
3574 /* this one is unconditional, because it updates other stuff */
3575 radeonfb_cursor_position(dp);
3576 }
3577
3578 static struct videomode *
3579 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3580 {
3581 int r1, r2;
3582
3583 /* otherwise pick the higher refresh rate */
3584 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3585 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3586
3587 return (r1 < r2 ? m2 : m1);
3588 }
3589
3590 static const struct videomode *
3591 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3592 int x, int y)
3593 {
3594 struct edid_info *ep = &rp->rp_edid;
3595 struct videomode *vmp = NULL;
3596 int i;
3597
3598 if (!rp->rp_edid_valid) {
3599 /* fallback to safe mode */
3600 return radeonfb_modelookup(sc->sc_defaultmode);
3601 }
3602
3603 /* always choose the preferred mode first! */
3604 if (ep->edid_preferred_mode) {
3605
3606 /* XXX: add auto-stretching support for native mode */
3607
3608 /* this may want panning to occur, btw */
3609 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3610 (ep->edid_preferred_mode->vdisplay <= y))
3611 return ep->edid_preferred_mode;
3612 }
3613
3614 for (i = 0; i < ep->edid_nmodes; i++) {
3615 /*
3616 * We elect to pick a resolution that is too large for
3617 * the monitor than one that is too small. This means
3618 * that we will prefer to pan rather than to try to
3619 * center a smaller display on a larger screen. In
3620 * practice, this shouldn't matter because if a
3621 * monitor can support a larger resolution, it can
3622 * probably also support the smaller. A specific
3623 * exception is fixed format panels, but hopefully
3624 * they are properly dealt with by the "autostretch"
3625 * logic above.
3626 */
3627 if ((ep->edid_modes[i].hdisplay > x) ||
3628 (ep->edid_modes[i].vdisplay > y)) {
3629 continue;
3630 }
3631
3632 /*
3633 * at this point, the display mode is no larger than
3634 * what we've requested.
3635 */
3636 if (vmp == NULL)
3637 vmp = &ep->edid_modes[i];
3638
3639 /* eliminate smaller modes */
3640 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3641 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3642 continue;
3643
3644 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3645 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3646 vmp = &ep->edid_modes[i];
3647 continue;
3648 }
3649
3650 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3651 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3652
3653 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3654 }
3655
3656 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3657 }
3658
3659 static int
3660 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3661 {
3662 int i;
3663
3664 for (i = 0; i < nlist; i++) {
3665 if ((x == list[i].hdisplay) &&
3666 (y == list[i].vdisplay)) {
3667 return 1;
3668 }
3669 }
3670 return 0;
3671 }
3672
3673 static void
3674 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3675 int pan)
3676 {
3677 struct radeonfb_port *rp;
3678 struct edid_info *ep;
3679 int i, j;
3680
3681 *x = 0;
3682 *y = 0;
3683
3684 if (pan) {
3685 for (i = 0; i < dp->rd_ncrtcs; i++) {
3686 rp = dp->rd_crtcs[i].rc_port;
3687 ep = &rp->rp_edid;
3688 if (!rp->rp_edid_valid) {
3689 /* monitor not present */
3690 continue;
3691 }
3692
3693 /*
3694 * For now we are ignoring "conflict" that
3695 * could occur when mixing some modes like
3696 * 1280x1024 and 1400x800. It isn't clear
3697 * which is better, so the first one wins.
3698 */
3699 for (j = 0; j < ep->edid_nmodes; j++) {
3700 /*
3701 * ignore resolutions that are too big for
3702 * the radeon
3703 */
3704 if (ep->edid_modes[j].hdisplay >
3705 dp->rd_softc->sc_maxx)
3706 continue;
3707 if (ep->edid_modes[j].vdisplay >
3708 dp->rd_softc->sc_maxy)
3709 continue;
3710
3711 /*
3712 * pick largest resolution, the
3713 * smaller monitor will pan
3714 */
3715 if ((ep->edid_modes[j].hdisplay >= *x) &&
3716 (ep->edid_modes[j].vdisplay >= *y)) {
3717 *x = ep->edid_modes[j].hdisplay;
3718 *y = ep->edid_modes[j].vdisplay;
3719 }
3720 }
3721 }
3722
3723 } else {
3724 struct videomode modes[64];
3725 int nmodes = 0;
3726 int valid = 0;
3727
3728 for (i = 0; i < dp->rd_ncrtcs; i++) {
3729 /*
3730 * pick the largest resolution in common.
3731 */
3732 rp = dp->rd_crtcs[i].rc_port;
3733 ep = &rp->rp_edid;
3734
3735 if (!rp->rp_edid_valid)
3736 continue;
3737
3738 if (!valid) {
3739 /*
3740 * Pick the preferred mode for this port
3741 * if available.
3742 */
3743 if (ep->edid_preferred_mode) {
3744 struct videomode *vmp =
3745 ep->edid_preferred_mode;
3746
3747 if ((vmp->hdisplay <=
3748 dp->rd_softc->sc_maxx) &&
3749 (vmp->vdisplay <=
3750 dp->rd_softc->sc_maxy))
3751 modes[nmodes++] = *vmp;
3752 } else {
3753
3754 /* initialize starting list */
3755 for (j = 0; j < ep->edid_nmodes; j++) {
3756 /*
3757 * ignore resolutions that are
3758 * too big for the radeon
3759 */
3760 if (ep->edid_modes[j].hdisplay >
3761 dp->rd_softc->sc_maxx)
3762 continue;
3763 if (ep->edid_modes[j].vdisplay >
3764 dp->rd_softc->sc_maxy)
3765 continue;
3766
3767 modes[nmodes] =
3768 ep->edid_modes[j];
3769 nmodes++;
3770 }
3771 }
3772 valid = 1;
3773 } else {
3774 /* merge into preexisting list */
3775 for (j = 0; j < nmodes; j++) {
3776 if (!radeonfb_hasres(ep->edid_modes,
3777 ep->edid_nmodes,
3778 modes[j].hdisplay,
3779 modes[j].vdisplay)) {
3780 modes[j] = modes[nmodes];
3781 j--;
3782 nmodes--;
3783 }
3784 }
3785 }
3786 }
3787
3788 /* now we have to pick from the merged list */
3789 for (i = 0; i < nmodes; i++) {
3790 if ((modes[i].hdisplay >= *x) &&
3791 (modes[i].vdisplay >= *y)) {
3792 *x = modes[i].hdisplay;
3793 *y = modes[i].vdisplay;
3794 }
3795 }
3796 }
3797
3798 if ((*x == 0) || (*y == 0)) {
3799 /* fallback to safe mode */
3800 *x = 640;
3801 *y = 480;
3802 }
3803 }
3804
3805 /*
3806 * backlight levels are linear on:
3807 * - RV200, RV250, RV280, RV350
3808 * - but NOT on PowerBook4,3 6,3 6,5
3809 * according to Linux' radeonfb
3810 */
3811
3812 /* Get the current backlight level for the display. */
3813
3814 static int
3815 radeonfb_get_backlight(struct radeonfb_display *dp)
3816 {
3817 int s;
3818 uint32_t level;
3819
3820 s = spltty();
3821
3822 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
3823 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
3824 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
3825
3826 /*
3827 * On some chips, we should negate the backlight level.
3828 * XXX Find out on which chips.
3829 */
3830 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
3831 level = RADEONFB_BACKLIGHT_MAX - level;
3832
3833 splx(s);
3834
3835 return level;
3836 }
3837
3838 /* Set the backlight to the given level for the display. */
3839 static void
3840 radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
3841 {
3842 if (dp->rd_bl_on == on)
3843 return;
3844 dp->rd_bl_on = on;
3845 radeonfb_set_backlight(dp, dp->rd_bl_level);
3846 }
3847
3848 static int
3849 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
3850 {
3851 struct radeonfb_softc *sc;
3852 int rlevel, s;
3853 uint32_t lvds;
3854
3855 s = spltty();
3856
3857 dp->rd_bl_level = level;
3858 if (dp->rd_bl_on == 0)
3859 level = 0;
3860
3861 if (level < 0)
3862 level = 0;
3863 else if (level >= RADEONFB_BACKLIGHT_MAX)
3864 level = RADEONFB_BACKLIGHT_MAX;
3865
3866 sc = dp->rd_softc;
3867
3868 /* On some chips, we should negate the backlight level. */
3869 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
3870 rlevel = RADEONFB_BACKLIGHT_MAX - level;
3871 } else
3872 rlevel = level;
3873
3874 callout_stop(&dp->rd_bl_lvds_co);
3875 radeonfb_engine_idle(sc);
3876
3877 /*
3878 * Turn off the display if the backlight is set to 0, since the
3879 * display is useless without backlight anyway.
3880 */
3881 if (level == 0)
3882 radeonfb_blank(dp, 1);
3883 else if (radeonfb_get_backlight(dp) == 0)
3884 radeonfb_blank(dp, 0);
3885
3886 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
3887 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
3888 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
3889 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
3890 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
3891 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3892 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3893 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3894 lvds |= RADEON_LVDS_ON;
3895 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
3896 } else {
3897 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3898 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3899 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3900 }
3901
3902 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
3903 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
3904 /* XXX What is the correct delay? */
3905 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
3906
3907 splx(s);
3908
3909 return 0;
3910 }
3911
3912 /*
3913 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
3914 * Set the delayed bits in the register, and clear the stored delayed
3915 * value.
3916 */
3917
3918 static void radeonfb_lvds_callout(void *arg)
3919 {
3920 struct radeonfb_display *dp = arg;
3921 int s;
3922
3923 s = splhigh();
3924
3925 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
3926 dp->rd_bl_lvds_val);
3927 dp->rd_bl_lvds_val = 0;
3928
3929 splx(s);
3930 }
3931
3932 static void
3933 radeonfb_brightness_up(device_t dev)
3934 {
3935 struct radeonfb_softc *sc = device_private(dev);
3936 struct radeonfb_display *dp = &sc->sc_displays[0];
3937 int level;
3938
3939 /* we assume the main display is the first one - need a better way */
3940 if (sc->sc_ndisplays < 1) return;
3941 /* make sure pushing the hotkeys always has an effect */
3942 dp->rd_bl_on = 1;
3943 level = dp->rd_bl_level;
3944 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
3945 radeonfb_set_backlight(dp, level);
3946 }
3947
3948 static void
3949 radeonfb_brightness_down(device_t dev)
3950 {
3951 struct radeonfb_softc *sc = device_private(dev);
3952 struct radeonfb_display *dp = &sc->sc_displays[0];
3953 int level;
3954
3955 /* we assume the main display is the first one - need a better way */
3956 if (sc->sc_ndisplays < 1) return;
3957 /* make sure pushing the hotkeys always has an effect */
3958 dp->rd_bl_on = 1;
3959 level = dp->rd_bl_level;
3960 level = max(0, level - 5);
3961 radeonfb_set_backlight(dp, level);
3962 }
3963