radeonfb.c revision 1.113.2.1 1 /* $NetBSD: radeonfb.c,v 1.113.2.1 2021/03/21 21:09:14 thorpej 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 1.113.2.1 2021/03/21 21:09:14 thorpej 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 #include <sys/kmem.h>
84
85 #include <dev/wscons/wsdisplayvar.h>
86 #include <dev/wscons/wsconsio.h>
87 #include <dev/wsfont/wsfont.h>
88 #include <dev/rasops/rasops.h>
89 #include <dev/videomode/videomode.h>
90 #include <dev/videomode/edidvar.h>
91 #include <dev/wscons/wsdisplay_vconsvar.h>
92 #include <dev/pci/wsdisplay_pci.h>
93 #include <dev/wscons/wsdisplay_glyphcachevar.h>
94
95 #include <dev/pci/pcidevs.h>
96 #include <dev/pci/pcireg.h>
97 #include <dev/pci/pcivar.h>
98 #include <dev/pci/pciio.h>
99 #include <dev/pci/radeonfbreg.h>
100 #include <dev/pci/radeonfbvar.h>
101 #include "opt_radeonfb.h"
102 #include "opt_vcons.h"
103
104 #ifdef RADEONFB_DEPTH_32
105 #define RADEONFB_DEFAULT_DEPTH 32
106 #else
107 #define RADEONFB_DEFAULT_DEPTH 8
108 #endif
109
110 static int radeonfb_match(device_t, cfdata_t, void *);
111 static void radeonfb_attach(device_t, device_t, void *);
112 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
113 struct lwp *);
114 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
115 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
116 static void radeonfb_loadbios(struct radeonfb_softc *,
117 const struct pci_attach_args *);
118
119 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
120 uintmax_t);
121 static int radeonfb_getclocks(struct radeonfb_softc *);
122 static int radeonfb_gettmds(struct radeonfb_softc *);
123 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
124 uint32_t *, uint32_t *, int);
125 /* flags for radeonfb_calc_dividers */
126 #define NO_ODD_FBDIV 1
127
128 static int radeonfb_getconnectors(struct radeonfb_softc *);
129 static const struct videomode *radeonfb_modelookup(const char *);
130 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
131 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
132 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
133 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int, int);
134 static void radeonfb_modeswitch(struct radeonfb_display *);
135 static void radeonfb_setcrtc(struct radeonfb_display *, int);
136 static void radeonfb_init_misc(struct radeonfb_softc *);
137 static void radeonfb_set_fbloc(struct radeonfb_softc *);
138 static void radeonfb_init_palette(struct radeonfb_display *);
139 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
140
141 static int radeonfb_isblank(struct radeonfb_display *);
142 static void radeonfb_blank(struct radeonfb_display *, int);
143 static int radeonfb_set_cursor(struct radeonfb_display *,
144 struct wsdisplay_cursor *);
145 static int radeonfb_set_curpos(struct radeonfb_display *,
146 struct wsdisplay_curpos *);
147 static void radeonfb_putpal(struct radeonfb_display *, int, int, int, int);
148 static int radeonfb_putcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
149 static int radeonfb_getcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
150
151 /* acceleration support */
152 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
153 int width, int height, uint32_t color);
154 static void radeonfb_rectfill_a(void *, int, int, int, int, long);
155 static void radeonfb_bitblt(void *, int srcx, int srcy,
156 int dstx, int dsty, int width, int height, int rop);
157
158 /* hw cursor support */
159 static void radeonfb_cursor_cmap(struct radeonfb_display *);
160 static void radeonfb_cursor_shape(struct radeonfb_display *);
161 static void radeonfb_cursor_position(struct radeonfb_display *);
162 static void radeonfb_cursor_visible(struct radeonfb_display *);
163 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
164
165 static inline void radeonfb_wait_fifo(struct radeonfb_softc *, int);
166 static void radeonfb_engine_idle(struct radeonfb_softc *);
167 static void radeonfb_engine_flush(struct radeonfb_softc *);
168 static void radeonfb_engine_reset(struct radeonfb_softc *);
169 static void radeonfb_engine_init(struct radeonfb_display *);
170 static inline void radeonfb_unclip(struct radeonfb_softc *) __unused;
171
172 static void radeonfb_eraserows(void *, int, int, long);
173 static void radeonfb_erasecols(void *, int, int, int, long);
174 static void radeonfb_copyrows(void *, int, int, int);
175 static void radeonfb_copycols(void *, int, int, int, int);
176 static void radeonfb_cursor(void *, int, int, int);
177 static void radeonfb_putchar(void *, int, int, unsigned, long);
178 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
179 static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
180 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
181 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
182 #endif
183
184 static int radeonfb_set_backlight(struct radeonfb_display *, int);
185 static int radeonfb_get_backlight(struct radeonfb_display *);
186 static void radeonfb_switch_backlight(struct radeonfb_display *, int);
187 static void radeonfb_lvds_callout(void *);
188
189 static void radeonfb_brightness_up(device_t);
190 static void radeonfb_brightness_down(device_t);
191
192 static struct videomode *radeonfb_best_refresh(struct videomode *,
193 struct videomode *);
194 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
195 uint16_t *, int);
196 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
197 struct radeonfb_port *, int, int);
198
199 static int radeonfb_drm_print(void *, const char *);
200
201 #ifdef RADEONFB_DEBUG
202 int radeon_debug = 1;
203 #define DPRINTF(x) \
204 if (radeon_debug) printf x
205 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
206 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
207 #else
208 #define DPRINTF(x)
209 #define PRINTREG(r)
210 #define PRINTPLL(r)
211 #endif
212
213 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
214
215 #ifndef RADEON_DEFAULT_MODE
216 /* any reasonably modern display should handle this */
217 #define RADEON_DEFAULT_MODE "1024x768x60"
218 #endif
219
220 extern const u_char rasops_cmap[768];
221
222 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
223
224 static struct {
225 int size; /* minimum memory size (MB) */
226 int maxx; /* maximum x dimension */
227 int maxy; /* maximum y dimension */
228 int maxbpp; /* maximum bpp */
229 int maxdisp; /* maximum logical display count */
230 } radeonfb_limits[] = {
231 { 32, 2048, 1536, 32, 2 },
232 { 16, 1600, 1200, 32, 2 },
233 { 8, 1600, 1200, 32, 1 },
234 { 0, 0, 0, 0, 0 },
235 };
236
237 static struct wsscreen_descr radeonfb_stdscreen = {
238 "fb", /* name */
239 0, 0, /* ncols, nrows */
240 NULL, /* textops */
241 8, 16, /* fontwidth, fontheight */
242 WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE | WSSCREEN_RESIZE, /* capabilities */
243 0, /* modecookie */
244 };
245
246 struct wsdisplay_accessops radeonfb_accessops = {
247 radeonfb_ioctl,
248 radeonfb_mmap,
249 NULL, /* vcons_alloc_screen */
250 NULL, /* vcons_free_screen */
251 NULL, /* vcons_show_screen */
252 NULL, /* load_font */
253 NULL, /* pollc */
254 NULL, /* scroll */
255 };
256
257 static struct {
258 uint16_t devid;
259 uint16_t family;
260 uint16_t flags;
261 } radeonfb_devices[] =
262 {
263 /* R100 family */
264 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
265 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
266 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
267 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
268
269 /* RV100 family */
270 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
271 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
272 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
273 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
274
275 /* RS100 family */
276 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
277 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
278
279 /* RS200/RS250 family */
280 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
281 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
282 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
283 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
284
285 /* R200 family */
286 /* add more R200 products? , 5148 */
287 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
288 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
289 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
290 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
291 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
292
293 /* RV200 family */
294 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
295 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
296 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
297 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
298
299 /* RV250 family */
300 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
301 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
302 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
303 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
304 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
305
306 /* RS300 family */
307 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
308 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
309 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
310 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
311
312 /* RV280 family */
313 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
314 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
315 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
316 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
317 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
318 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
319 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
320
321 /* R300 family */
322 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
323 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
324 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
325 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
326 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
327 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
328 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
329 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
330
331 /* RV350/RV360 family */
332 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
333 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
334 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
335 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
336 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
337 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
338 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
339 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
340 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
341 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
342 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
343 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
344
345 /* R350/R360 family */
346 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
347 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
348 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
349 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
350 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
351 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
352 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
353 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
354
355 /* RV380/RV370 family */
356 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
357 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
358 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
359 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
360 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
361 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
362 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
363 { PCI_PRODUCT_ATI_RADEON_RV370_5B63, RADEON_RV380, 0 },
364 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
365 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
366
367 #if notyet
368 /* R420/R423 family */
369 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
372 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
373 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
374 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
375 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
376 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
377 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
378 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
379 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
380 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
381 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
382 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
383 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
384 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
385 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
386 #endif
387
388 /* R5xx family */
389 { 0x7240, RADEON_R580, RFB_IS_AVIVO },
390 { 0, 0, 0 }
391 };
392
393 static struct {
394 int divider;
395 int mask;
396 } radeonfb_dividers[] = {
397 { 16, 5 },
398 { 12, 7 },
399 { 8, 3 },
400 { 6, 6 },
401 { 4, 2 },
402 { 3, 4 },
403 { 2, 1 },
404 { 1, 0 },
405 { 0, 0 }
406 };
407
408 /*
409 * This table taken from X11.
410 */
411 static const struct {
412 int family;
413 struct radeon_tmds_pll plls[4];
414 } radeonfb_tmds_pll[] = {
415 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
416 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
417 { RADEON_RS100, {{0, 0}}},
418 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
419 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
420 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
421 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
422 { RADEON_RS300, {{0, 0}}},
423 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}, {-1, 0x40111}}},
424 { RADEON_R300, {{-1, 0xb01cb}}},
425 { RADEON_R350, {{-1, 0xb01cb}}},
426 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
427 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
428 { RADEON_R420, {{-1, 0xb01cb}}},
429 { RADEON_R580, {{-1, 0xb01cb}}}, /* XXX likely bogus */
430 };
431
432 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
433
434
435 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
436 radeonfb_match, radeonfb_attach, NULL, NULL);
437
438 static int
439 radeonfb_match(device_t parent, cfdata_t match, void *aux)
440 {
441 const struct pci_attach_args *pa = aux;
442 int i;
443
444 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
445 return 0;
446
447 for (i = 0; radeonfb_devices[i].devid; i++) {
448 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
449 return 100; /* high to defeat VGA/VESA */
450 }
451
452 return 0;
453 }
454
455 static void
456 radeonfb_attach(device_t parent, device_t dev, void *aux)
457 {
458 struct radeonfb_softc *sc = device_private(dev);
459 const struct pci_attach_args *pa = aux;
460 const char *mptr;
461 bus_size_t bsz;
462 pcireg_t screg;
463 int i, j, fg, bg, ul, flags;
464 uint32_t v;
465
466 sc->sc_dev = dev;
467 sc->sc_id = pa->pa_id;
468 for (i = 0; radeonfb_devices[i].devid; i++) {
469 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
470 break;
471 }
472
473 pci_aprint_devinfo(pa, NULL);
474
475 DPRINTF(("%s", prop_dictionary_externalize(device_properties(dev))));
476
477 KASSERT(radeonfb_devices[i].devid != 0);
478 sc->sc_pt = pa->pa_tag;
479 sc->sc_iot = pa->pa_iot;
480 sc->sc_pc = pa->pa_pc;
481 sc->sc_family = radeonfb_devices[i].family;
482 sc->sc_flags = radeonfb_devices[i].flags;
483 sc->sc_bios = NULL;
484 sc->sc_biossz = 0;
485
486 /* enable memory and IO access */
487 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
488 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
489 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
490
491 /*
492 * Some flags are general to entire chip families, and rather
493 * than clutter up the table with them, we go ahead and set
494 * them here.
495 */
496 switch (sc->sc_family) {
497 case RADEON_RS100:
498 case RADEON_RS200:
499 sc->sc_flags |= RFB_IGP | RFB_RV100;
500 break;
501
502 case RADEON_RV100:
503 case RADEON_RV200:
504 case RADEON_RV250:
505 case RADEON_RV280:
506 sc->sc_flags |= RFB_RV100;
507 break;
508
509 case RADEON_RS300:
510 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
511 break;
512
513 case RADEON_R300:
514 case RADEON_RV350:
515 case RADEON_R350:
516 case RADEON_RV380:
517 case RADEON_R420:
518 case RADEON_R580:
519 /* newer chips */
520 sc->sc_flags |= RFB_R300;
521 break;
522
523 case RADEON_R100:
524 sc->sc_flags |= RFB_NCRTC2;
525 break;
526 }
527
528 if ((sc->sc_family == RADEON_RV200) ||
529 (sc->sc_family == RADEON_RV250) ||
530 (sc->sc_family == RADEON_RV280) ||
531 (sc->sc_family == RADEON_RV350)) {
532 bool inverted = 0;
533 /* backlight level is linear */
534 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
535 prop_dictionary_get_bool(device_properties(sc->sc_dev),
536 "backlight_level_reverted", &inverted);
537 if (inverted) {
538 DPRINTF(("nope, it's inverted\n"));
539 sc->sc_flags |= RFB_INV_BLIGHT;
540 }
541 } else
542 sc->sc_flags |= RFB_INV_BLIGHT;
543
544 /*
545 * XXX: to support true multihead, this must change.
546 */
547 sc->sc_ndisplays = 1;
548
549 /* XXX: */
550 if (!HAS_CRTC2(sc)) {
551 sc->sc_ndisplays = 1;
552 }
553
554 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
555 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
556 &sc->sc_regsz) != 0) {
557 aprint_error("%s: unable to map registers!\n", XNAME(sc));
558 goto error;
559 }
560
561 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
562 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
563 {
564 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
565 goto error;
566 }
567 sc->sc_romt = sc->sc_memt;
568
569 sc->sc_mapped = TRUE;
570
571 /* scratch register test... */
572 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
573 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
574 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
575 goto error;
576 }
577
578 PRINTREG(RADEON_CRTC_EXT_CNTL);
579 PRINTREG(RADEON_CRTC_GEN_CNTL);
580 PRINTREG(RADEON_CRTC2_GEN_CNTL);
581 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
582 PRINTREG(RADEON_DAC_CNTL2);
583 PRINTREG(RADEON_BIOS_4_SCRATCH);
584 PRINTREG(RADEON_FP_GEN_CNTL);
585 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
586 PRINTREG(RADEON_FP2_GEN_CNTL);
587 PRINTREG(RADEON_TMDS_CNTL);
588 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
589 PRINTREG(RADEON_TMDS_PLL_CNTL);
590 PRINTREG(RADEON_LVDS_GEN_CNTL);
591 PRINTREG(RADEON_DISP_HW_DEBUG);
592 if (!IS_AVIVO(sc)) {
593 /*
594 XXX: We can't print this, as it's not correctly aligned
595 PRINTREG(RADEON_PIXCLKS_CNTL);
596 */
597 PRINTREG(RADEON_CRTC_H_SYNC_STRT_WID);
598 PRINTREG(RADEON_FP_H_SYNC_STRT_WID);
599 PRINTREG(RADEON_CRTC2_H_SYNC_STRT_WID);
600 PRINTREG(RADEON_FP_H2_SYNC_STRT_WID);
601 }
602 /*
603 * XXX
604 * This was if (IS_RV100()), which is set for all pre-R3xx chips.
605 * I suspect this only makes sense on Sun XVR-100 with firmware that doesn't
606 * support DVI, so for now let's restrict it to only actual RV100
607 */
608 if (sc->sc_family == RADEON_RV100)
609 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
610
611 /* XXX
612 * according to xf86-video-radeon R3xx has this bit backwards
613 */
614 if (IS_R300(sc)) {
615 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
616 0,
617 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
618 } else {
619 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
620 RADEON_TMDS_TRANSMITTER_PLLEN,
621 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
622 }
623
624 radeonfb_i2c_init(sc);
625
626 radeonfb_loadbios(sc, pa);
627
628 #ifdef RADEONFB_BIOS_INIT
629 if (radeonfb_bios_init(sc)) {
630 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
631 }
632 #endif
633
634 if (radeonfb_getclocks(sc)) {
635 aprint_error("%s: Unable to get reference clocks from BIOS\n",
636 XNAME(sc));
637 goto error;
638 }
639
640 if (radeonfb_gettmds(sc)) {
641 aprint_error("%s: Unable to identify TMDS PLL settings\n",
642 XNAME(sc));
643 goto error;
644 }
645
646 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
647 "minpll = %d, maxpll = %d\n", XNAME(sc),
648 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
649 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
650
651 radeonfb_getconnectors(sc);
652
653 radeonfb_set_fbloc(sc);
654
655 /* 64 MB should be enough -- more just wastes map entries */
656 if (sc->sc_memsz > (64 << 20))
657 sc->sc_memsz = (64 << 20);
658
659 for (i = 0; radeonfb_limits[i].size; i++) {
660 if (sc->sc_memsz >= radeonfb_limits[i].size) {
661 sc->sc_maxx = radeonfb_limits[i].maxx;
662 sc->sc_maxy = radeonfb_limits[i].maxy;
663 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
664 /* framebuffer offset, start at a 4K page */
665 sc->sc_fboffset = sc->sc_memsz /
666 radeonfb_limits[i].maxdisp;
667 /*
668 * we use the fbsize to figure out where we can store
669 * things like cursor data.
670 */
671 sc->sc_fbsize =
672 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
673 RADEON_STRIDEALIGN) * sc->sc_maxy,
674 4096);
675 break;
676 }
677 }
678
679
680 radeonfb_init_misc(sc);
681
682 /* program the DAC wirings */
683 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
684 switch (sc->sc_ports[i].rp_dac_type) {
685 case RADEON_DAC_PRIMARY:
686 PATCH32(sc, RADEON_DAC_CNTL2,
687 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
688 ~RADEON_DAC2_DAC_CLK_SEL);
689 break;
690 case RADEON_DAC_TVDAC:
691 /* we always use the TVDAC to drive a secondary analog
692 * CRT for now. if we ever support TV-out this will
693 * have to change.
694 */
695 SET32(sc, RADEON_DAC_CNTL2,
696 RADEON_DAC2_DAC2_CLK_SEL);
697 PATCH32(sc, RADEON_DISP_HW_DEBUG,
698 i ? 0 : RADEON_CRT2_DISP1_SEL,
699 ~RADEON_CRT2_DISP1_SEL);
700 /* we're using CRTC2 for the 2nd port */
701 if (sc->sc_ports[i].rp_number == 1) {
702 PATCH32(sc, RADEON_DISP_OUTPUT_CNTL,
703 RADEON_DISP_DAC2_SOURCE_CRTC2,
704 ~RADEON_DISP_DAC2_SOURCE_MASK);
705 }
706
707 break;
708 }
709 DPRINTF(("%s: port %d tmds type %d\n", __func__, i,
710 sc->sc_ports[i].rp_tmds_type));
711 switch (sc->sc_ports[i].rp_tmds_type) {
712 case RADEON_TMDS_INT:
713 /* point FP0 at the CRTC this port uses */
714 DPRINTF(("%s: plugging internal TMDS into CRTC %d\n",
715 __func__, sc->sc_ports[i].rp_number));
716 if (IS_R300(sc)) {
717 PATCH32(sc, RADEON_FP_GEN_CNTL,
718 sc->sc_ports[i].rp_number ?
719 R200_FP_SOURCE_SEL_CRTC2 :
720 R200_FP_SOURCE_SEL_CRTC1,
721 ~R200_FP_SOURCE_SEL_MASK);
722 } else {
723 PATCH32(sc, RADEON_FP_GEN_CNTL,
724 sc->sc_ports[i].rp_number ?
725 RADEON_FP_SEL_CRTC2 :
726 RADEON_FP_SEL_CRTC1,
727 ~RADEON_FP_SEL_MASK);
728 }
729 break;
730 case RADEON_TMDS_EXT:
731 /* point FP2 at the CRTC this port uses */
732 DPRINTF(("%s: plugging external TMDS into CRTC %d\n",
733 __func__, sc->sc_ports[i].rp_number));
734 if (IS_R300(sc)) {
735 PATCH32(sc, RADEON_FP2_GEN_CNTL,
736 sc->sc_ports[i].rp_number ?
737 R200_FP2_SOURCE_SEL_CRTC2 :
738 R200_FP2_SOURCE_SEL_CRTC1,
739 ~R200_FP2_SOURCE_SEL_CRTC2);
740 } else {
741 PATCH32(sc, RADEON_FP2_GEN_CNTL,
742 sc->sc_ports[i].rp_number ?
743 RADEON_FP2_SRC_SEL_CRTC2 :
744 RADEON_FP2_SRC_SEL_CRTC1,
745 ~RADEON_FP2_SRC_SEL_CRTC2);
746 }
747 break;
748 }
749 }
750 PRINTREG(RADEON_DAC_CNTL2);
751 PRINTREG(RADEON_DISP_HW_DEBUG);
752
753 PRINTREG(RADEON_DAC_CNTL);
754 /* other DAC programming */
755 v = GET32(sc, RADEON_DAC_CNTL);
756 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
757 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
758 PUT32(sc, RADEON_DAC_CNTL, v);
759 PRINTREG(RADEON_DAC_CNTL);
760
761 /* XXX: this may need more investigation */
762 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
763 PRINTREG(RADEON_TV_DAC_CNTL);
764
765 /* enable TMDS */
766 SET32(sc, RADEON_FP_GEN_CNTL,
767 RADEON_FP_TMDS_EN |
768 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
769 RADEON_FP_CRTC_DONT_SHADOW_HEND);
770 /*
771 * XXX
772 * no idea why this is necessary - if I do not clear this bit on my
773 * iBook G4 the screen remains black, even though it's already clear.
774 * It needs to be set on my Sun XVR-100 for the DVI port to work
775 * TODO:
776 * see if this is still necessary now that CRTCs, DACs and outputs are
777 * getting wired up in a halfway sane way
778 */
779 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
780 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
781 } else {
782 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
783 }
784
785 /*
786 * we use bus_space_map instead of pci_mapreg, because we don't
787 * need the full aperature space. no point in wasting virtual
788 * address space we don't intend to use, right?
789 */
790 if ((sc->sc_memsz < (4096 * 1024)) ||
791 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
792 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
793 (bsz < sc->sc_memsz)) {
794 sc->sc_memsz = 0;
795 aprint_error("%s: Bad frame buffer configuration\n",
796 XNAME(sc));
797 goto error;
798 }
799
800 sc->sc_memt = pa->pa_memt;
801 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
802 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
803 sc->sc_memsz = 0;
804 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
805 goto error;
806 }
807
808 aprint_normal("%s: %d MB aperture at 0x%08x, "
809 "%d KB registers at 0x%08x\n", XNAME(sc),
810 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
811 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
812
813 /* setup default video mode from devprop (allows PROM override) */
814 sc->sc_defaultmode = radeonfb_default_mode;
815 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
816 "videomode", &mptr)) {
817
818 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
819 sc->sc_defaultmode = sc->sc_modebuf;
820 }
821
822 /* initialize some basic display parameters */
823 for (i = 0; i < sc->sc_ndisplays; i++) {
824 struct radeonfb_display *dp = &sc->sc_displays[i];
825 struct rasops_info *ri;
826 long defattr;
827 struct wsemuldisplaydev_attach_args aa;
828
829 /*
830 * Figure out how many "displays" (desktops) we are going to
831 * support. If more than one, then each CRTC gets its own
832 * programming.
833 *
834 * XXX: this code needs to change to support mergedfb.
835 * XXX: would be nice to allow this to be overridden
836 */
837 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
838 DPRINTF(("dual crtcs!\n"));
839 dp->rd_ncrtcs = 2;
840 dp->rd_crtcs[0].rc_port =
841 &sc->sc_ports[0];
842 dp->rd_crtcs[0].rc_number = sc->sc_ports[0].rp_number;
843 dp->rd_crtcs[1].rc_port =
844 &sc->sc_ports[1];
845 dp->rd_crtcs[1].rc_number = sc->sc_ports[1].rp_number;
846 } else {
847 dp->rd_ncrtcs = 1;
848 dp->rd_crtcs[0].rc_port =
849 &sc->sc_ports[i];
850 dp->rd_crtcs[0].rc_number = sc->sc_ports[i].rp_number;
851 }
852
853 dp->rd_softc = sc;
854 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
855 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
856
857 /* for text mode, we pick a resolution that won't
858 * require panning */
859 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
860
861 aprint_normal("%s: display %d: "
862 "initial virtual resolution %dx%d at %d bpp\n",
863 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
864 aprint_normal_dev(sc->sc_dev, "using %d MB per display\n",
865 sc->sc_fboffset >> 20);
866 /* now select the *video mode* that we will use */
867 for (j = 0; j < dp->rd_ncrtcs; j++) {
868 const struct videomode *vmp;
869 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
870 dp->rd_virtx, dp->rd_virty);
871
872 /*
873 * virtual resolution should be at least as high as
874 * physical
875 */
876 if (dp->rd_virtx < vmp->hdisplay ||
877 dp->rd_virty < vmp->vdisplay) {
878 dp->rd_virtx = vmp->hdisplay;
879 dp->rd_virty = vmp->vdisplay;
880 }
881
882 dp->rd_crtcs[j].rc_videomode = *vmp;
883 printf("%s: port %d: physical %dx%d %dHz\n",
884 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
885 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
886 vmp->htotal), vmp->vtotal));
887 }
888
889 /* N.B.: radeon wants 64-byte aligned stride */
890 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
891 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
892
893 dp->rd_offset = sc->sc_fboffset * i;
894 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
895 sc->sc_memh) + dp->rd_offset;
896 dp->rd_curoff = sc->sc_fboffset - 16384; /* 16KB cursor space */
897 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
898
899 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
900
901 switch (dp->rd_bpp) {
902 case 8:
903 dp->rd_format = 2;
904 break;
905 case 32:
906 dp->rd_format = 6;
907 break;
908 default:
909 aprint_error("%s: bad depth %d\n", XNAME(sc),
910 dp->rd_bpp);
911 goto error;
912 }
913 DPRINTF(("init engine\n"));
914 /* XXX: this seems suspicious - per display engine
915 initialization? */
916
917 radeonfb_modeswitch(dp);
918 radeonfb_engine_init(dp);
919
920 /* copy the template into place */
921 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
922 dp->rd_wsscreens = dp->rd_wsscreens_storage;
923
924 /* and make up the list */
925 dp->rd_wsscreenlist.nscreens = 1;
926 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
927
928 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
929 &radeonfb_accessops);
930
931 dp->rd_vd.init_screen = radeonfb_init_screen;
932
933 dp->rd_console = 0;
934 prop_dictionary_get_bool(device_properties(sc->sc_dev),
935 "is_console", &dp->rd_console);
936
937 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
938
939
940 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
941 dp->rd_console, &defattr);
942
943 ri = &dp->rd_vscreen.scr_ri;
944
945 /* clear the screen */
946 rasops_unpack_attr(defattr, &fg, &bg, &ul);
947 dp->rd_bg = ri->ri_devcmap[bg & 0xf];
948 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
949 dp->rd_bg);
950
951 dp->rd_wsscreens->textops = &ri->ri_ops;
952 dp->rd_wsscreens->capabilities = ri->ri_caps;
953 dp->rd_wsscreens->nrows = ri->ri_rows;
954 dp->rd_wsscreens->ncols = ri->ri_cols;
955
956 #ifdef SPLASHSCREEN
957 dp->rd_splash.si_depth = ri->ri_depth;
958 dp->rd_splash.si_bits = ri->ri_bits;
959 dp->rd_splash.si_hwbits = ri->ri_hwbits;
960 dp->rd_splash.si_width = ri->ri_width;
961 dp->rd_splash.si_height = ri->ri_height;
962 dp->rd_splash.si_stride = ri->ri_stride;
963 dp->rd_splash.si_fillrect = NULL;
964 #endif
965 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
966 dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
967 dp->rd_gc.gc_rop = RADEON_ROP3_S;
968 dp->rd_gc.gc_blitcookie = dp;
969 /*
970 * use memory between framebuffer and cursor area as glyph
971 * cache, cap at 4096 lines
972 */
973 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
974 uimin(4096,
975 (dp->rd_curoff / dp->rd_stride) - (dp->rd_virty + 4)),
976 dp->rd_virtx,
977 ri->ri_font->fontwidth,
978 ri->ri_font->fontheight,
979 defattr);
980 dp->rd_vd.show_screen_cookie = &dp->rd_gc;
981 dp->rd_vd.show_screen_cb = glyphcache_adapt;
982
983 if (dp->rd_console) {
984
985 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
986 defattr);
987 #ifdef SPLASHSCREEN
988 if (splash_render(&dp->rd_splash,
989 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
990 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
991 else
992 #endif
993 vcons_replay_msgbuf(&dp->rd_vscreen);
994 } else {
995
996 /*
997 * since we're not the console we can postpone
998 * the rest until someone actually allocates a
999 * screen for us. but we do clear the screen
1000 * at least.
1001 */
1002 memset(ri->ri_bits, 0, 1024);
1003
1004 #ifdef SPLASHSCREEN
1005 if (splash_render(&dp->rd_splash,
1006 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
1007 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1008 #endif
1009 }
1010
1011 aa.console = dp->rd_console;
1012 aa.scrdata = &dp->rd_wsscreenlist;
1013 aa.accessops = &radeonfb_accessops;
1014 aa.accesscookie = &dp->rd_vd;
1015
1016 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, CFARG_EOL);
1017
1018 radeonfb_blank(dp, 0);
1019
1020 /* Initialise delayed lvds operations for backlight. */
1021 callout_init(&dp->rd_bl_lvds_co, 0);
1022 callout_setfunc(&dp->rd_bl_lvds_co,
1023 radeonfb_lvds_callout, dp);
1024
1025 dp->rd_bl_on = 1;
1026 if (sc->sc_flags & RFB_MOB) {
1027 dp->rd_bl_level = radeonfb_get_backlight(dp);
1028 } else
1029 dp->rd_bl_level = 128;
1030
1031 radeonfb_set_backlight(dp, dp->rd_bl_level);
1032 }
1033 for (i = 0; i < RADEON_NDISPLAYS; i++)
1034 radeonfb_init_palette(&sc->sc_displays[i]);
1035
1036 if (HAS_CRTC2(sc) && !IS_AVIVO(sc)) {
1037 CLR32(sc, RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_DISP_DIS);
1038 }
1039
1040 if (!IS_AVIVO(sc)) {
1041 CLR32(sc, RADEON_CRTC_EXT_CNTL, RADEON_CRTC_DISPLAY_DIS);
1042 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_FPON);
1043 }
1044
1045 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
1046 radeonfb_brightness_up, TRUE);
1047 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
1048 radeonfb_brightness_down, TRUE);
1049
1050 /*
1051 * if we attach a DRM we need to unmap registers in
1052 * WSDISPLAYIO_MODE_MAPPED, since this keeps us from doing things like
1053 * screen blanking we only do it if needed
1054 */
1055 sc->sc_needs_unmap =
1056 (config_found_ia(dev, "drm", aux, radeonfb_drm_print) != 0);
1057 DPRINTF(("needs_unmap: %d\n", sc->sc_needs_unmap));
1058
1059 if (!IS_AVIVO(sc)) {
1060 PRINTREG(RADEON_CRTC_EXT_CNTL);
1061 PRINTREG(RADEON_CRTC_GEN_CNTL);
1062 PRINTREG(RADEON_CRTC2_GEN_CNTL);
1063 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
1064 PRINTREG(RADEON_DAC_CNTL2);
1065 PRINTREG(RADEON_FP_GEN_CNTL);
1066 PRINTREG(RADEON_FP2_GEN_CNTL);
1067 PRINTREG(RADEON_TMDS_CNTL);
1068 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
1069 PRINTREG(RADEON_TMDS_PLL_CNTL);
1070 /*
1071 XXX: We can't print this, as it's not correctly aligned
1072 PRINTREG(RADEON_PIXCLKS_CNTL);
1073 */
1074 }
1075 return;
1076
1077 error:
1078 if (sc->sc_biossz)
1079 free(sc->sc_bios, M_DEVBUF);
1080
1081 if (sc->sc_regsz)
1082 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1083
1084 if (sc->sc_memsz)
1085 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1086 }
1087
1088 static void
1089 radeonfb_map(struct radeonfb_softc *sc)
1090 {
1091 if (!sc->sc_mapped) {
1092 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
1093 &sc->sc_regh) != 0) {
1094 aprint_error_dev(sc->sc_dev,
1095 "unable to map registers!\n");
1096 return;
1097 }
1098 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
1099 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
1100 sc->sc_memsz = 0;
1101 aprint_error_dev(sc->sc_dev,
1102 "Unable to map frame buffer\n");
1103 return;
1104 }
1105 sc->sc_mapped = TRUE;
1106 }
1107 }
1108
1109 static void
1110 radeonfb_unmap(struct radeonfb_softc *sc)
1111 {
1112 if (!sc->sc_needs_unmap)
1113 return;
1114
1115 if (sc->sc_mapped) {
1116 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1117 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1118 sc->sc_mapped = FALSE;
1119 }
1120 }
1121
1122 static int
1123 radeonfb_drm_print(void *aux, const char *pnp)
1124 {
1125 if (pnp)
1126 aprint_normal("drm at %s", pnp);
1127 return (UNCONF);
1128 }
1129
1130 int
1131 radeonfb_ioctl(void *v, void *vs,
1132 unsigned long cmd, void *d, int flag, struct lwp *l)
1133 {
1134 struct vcons_data *vd;
1135 struct radeonfb_display *dp;
1136 struct radeonfb_softc *sc;
1137 struct wsdisplay_param *param;
1138 struct vcons_screen *ms;
1139
1140 vd = (struct vcons_data *)v;
1141 ms = vd->active;
1142 dp = (struct radeonfb_display *)vd->cookie;
1143 sc = dp->rd_softc;
1144
1145 /* can't do these without registers being mapped */
1146 if (!sc->sc_mapped) {
1147 switch (cmd) {
1148 case WSDISPLAYIO_GVIDEO:
1149 case WSDISPLAYIO_SVIDEO:
1150 case WSDISPLAYIO_GETCMAP:
1151 case WSDISPLAYIO_PUTCMAP:
1152 case WSDISPLAYIO_SCURSOR:
1153 case WSDISPLAYIO_GCURPOS:
1154 case WSDISPLAYIO_SCURPOS:
1155 case WSDISPLAYIO_SETPARAM:
1156 return EINVAL;
1157 }
1158 }
1159
1160 switch (cmd) {
1161 case WSDISPLAYIO_GTYPE:
1162 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
1163 return 0;
1164
1165 case WSDISPLAYIO_GINFO:
1166 if (vd->active != NULL) {
1167 struct wsdisplay_fbinfo *fb;
1168 fb = (struct wsdisplay_fbinfo *)d;
1169 fb->width = dp->rd_virtx;
1170 fb->height = dp->rd_virty;
1171 fb->depth = dp->rd_bpp;
1172 fb->cmsize = 256;
1173 return 0;
1174 } else
1175 return ENODEV;
1176 case WSDISPLAYIO_GVIDEO:
1177 if (radeonfb_isblank(dp))
1178 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1179 else
1180 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1181 return 0;
1182
1183 case WSDISPLAYIO_SVIDEO:
1184 if (dp->rd_wsmode != WSDISPLAYIO_MODE_MAPPED) {
1185 radeonfb_blank(dp,
1186 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1187 radeonfb_switch_backlight(dp,
1188 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_ON));
1189 }
1190 pmf_event_inject(NULL,
1191 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_ON) ?
1192 PMFE_DISPLAY_ON : PMFE_DISPLAY_OFF);
1193 return 0;
1194
1195 case WSDISPLAYIO_GETCMAP:
1196 if (dp->rd_bpp == 8)
1197 return radeonfb_getcmap(dp,
1198 (struct wsdisplay_cmap *)d);
1199 return EINVAL;
1200
1201 case WSDISPLAYIO_PUTCMAP:
1202 if (dp->rd_bpp == 8)
1203 return radeonfb_putcmap(dp,
1204 (struct wsdisplay_cmap *)d);
1205 return EINVAL;
1206
1207 case WSDISPLAYIO_LINEBYTES:
1208 *(unsigned *)d = dp->rd_stride;
1209 return 0;
1210
1211 case WSDISPLAYIO_SMODE:
1212 if (*(int *)d != dp->rd_wsmode) {
1213 dp->rd_wsmode = *(int *)d;
1214 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) ||
1215 (dp->rd_wsmode == WSDISPLAYIO_MODE_DUMBFB))
1216 radeonfb_map(sc);
1217
1218 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1219 (dp->rd_vd.active)) {
1220 radeonfb_engine_init(dp);
1221 glyphcache_wipe(&dp->rd_gc);
1222 radeonfb_init_palette(dp);
1223 radeonfb_modeswitch(dp);
1224 radeonfb_rectfill(dp, 0, 0, dp->rd_virtx,
1225 dp->rd_virty, dp->rd_bg);
1226 vcons_redraw_screen(dp->rd_vd.active);
1227 }
1228 if (dp->rd_wsmode == WSDISPLAYIO_MODE_MAPPED)
1229 radeonfb_unmap(sc);
1230 }
1231 return 0;
1232
1233 case WSDISPLAYIO_GCURMAX:
1234 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1235 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1236 return 0;
1237
1238 case WSDISPLAYIO_SCURSOR:
1239 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1240
1241 case WSDISPLAYIO_GCURSOR:
1242 return EPASSTHROUGH;
1243
1244 case WSDISPLAYIO_GCURPOS:
1245 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1246 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1247 return 0;
1248
1249 case WSDISPLAYIO_SCURPOS:
1250 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1251
1252 case WSDISPLAYIO_SSPLASH:
1253 #if defined(SPLASHSCREEN)
1254 if (*(int *)d == 1) {
1255 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1256 splash_render(&dp->rd_splash,
1257 SPLASH_F_CENTER|SPLASH_F_FILL);
1258 } else
1259 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1260 return 0;
1261 #else
1262 return ENODEV;
1263 #endif
1264 case WSDISPLAYIO_GETPARAM:
1265 param = (struct wsdisplay_param *)d;
1266 switch (param->param) {
1267 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1268 param->min = 0;
1269 param->max = 255;
1270 param->curval = dp->rd_bl_level;
1271 return 0;
1272 case WSDISPLAYIO_PARAM_BACKLIGHT:
1273 param->min = 0;
1274 param->max = RADEONFB_BACKLIGHT_MAX;
1275 param->curval = dp->rd_bl_on;
1276 return 0;
1277 }
1278 return EPASSTHROUGH;
1279
1280 case WSDISPLAYIO_SETPARAM:
1281 param = (struct wsdisplay_param *)d;
1282 switch (param->param) {
1283 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1284 radeonfb_set_backlight(dp, param->curval);
1285 return 0;
1286 case WSDISPLAYIO_PARAM_BACKLIGHT:
1287 radeonfb_switch_backlight(dp, param->curval);
1288 return 0;
1289 }
1290 return EPASSTHROUGH;
1291
1292 /* PCI config read/write passthrough. */
1293 case PCI_IOC_CFGREAD:
1294 case PCI_IOC_CFGWRITE:
1295 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1296
1297 case WSDISPLAYIO_GET_BUSID:
1298 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1299 sc->sc_pt, d);
1300
1301 case WSDISPLAYIO_GET_EDID: {
1302 struct wsdisplayio_edid_info *ei = d;
1303 return wsdisplayio_get_edid(sc->sc_dev, ei);
1304 }
1305
1306 case WSDISPLAYIO_GET_FBINFO: {
1307 struct wsdisplayio_fbinfo *fbi = d;
1308 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
1309 }
1310
1311 default:
1312 return EPASSTHROUGH;
1313 }
1314 }
1315
1316 paddr_t
1317 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1318 {
1319 struct vcons_data *vd;
1320 struct radeonfb_display *dp;
1321 struct radeonfb_softc *sc;
1322 paddr_t pa;
1323
1324 vd = (struct vcons_data *)v;
1325 dp = (struct radeonfb_display *)vd->cookie;
1326 sc = dp->rd_softc;
1327
1328 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1329 pa = bus_space_mmap(sc->sc_memt,
1330 sc->sc_memaddr + dp->rd_offset + offset, 0,
1331 prot, BUS_SPACE_MAP_LINEAR);
1332 return pa;
1333 }
1334
1335 /*
1336 * restrict all other mappings to processes with superuser privileges
1337 * or the kernel itself
1338 */
1339 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1340 NULL, NULL, NULL, NULL) != 0) {
1341 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1342 return -1;
1343 }
1344
1345 if ((offset >= sc->sc_regaddr) &&
1346 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1347 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1348 BUS_SPACE_MAP_LINEAR);
1349 }
1350
1351 if ((offset >= sc->sc_memaddr) &&
1352 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1353 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1354 BUS_SPACE_MAP_LINEAR);
1355 }
1356
1357 if ((offset >= sc->sc_romaddr) &&
1358 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1359 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1360 BUS_SPACE_MAP_LINEAR);
1361 }
1362
1363 #ifdef PCI_MAGIC_IO_RANGE
1364 /* allow mapping of IO space */
1365 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1366 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1367 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1368 0, prot, 0);
1369 return pa;
1370 }
1371 #endif /* PCI_MAGIC_IO_RANGE */
1372
1373 return -1;
1374 }
1375
1376 static void
1377 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1378 {
1379 bus_space_tag_t romt;
1380 bus_space_handle_t romh, biosh;
1381 bus_size_t romsz;
1382 bus_addr_t ptr;
1383 uint32_t busctl, crtcg, crtc2g = 0, viphctl, seprom, extc;
1384 int bios_voodoo = 0;
1385
1386 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1387 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1388 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1389 return;
1390 }
1391
1392 pci_find_rom(pa, romt, romh, romsz, PCI_ROM_CODE_TYPE_X86, &biosh,
1393 &sc->sc_biossz);
1394 if (sc->sc_biossz != 0) goto foundit;
1395
1396 aprint_verbose("trying to read disabled BIOS...\n");
1397
1398 bios_voodoo = 1;
1399 seprom = radeonfb_get32(sc, RADEON_SEPROM_CNTL1);
1400 radeonfb_put32(sc, RADEON_SEPROM_CNTL1,
1401 (seprom & ~RADEON_SCK_PRESCALE_MASK) |
1402 (0xc << RADEON_SCK_PRESCALE_SHIFT));
1403 viphctl = radeonfb_get32(sc, RADEON_VIPH_CONTROL);
1404 radeonfb_put32(sc, RADEON_VIPH_CONTROL, viphctl & ~RADEON_VIPH_EN);
1405 busctl = radeonfb_get32(sc, RADEON_BUS_CNTL);
1406 radeonfb_put32(sc, RADEON_BUS_CNTL, busctl & ~RADEON_BUS_BIOS_DIS_ROM);
1407 crtcg = radeonfb_get32(sc, RADEON_CRTC_GEN_CNTL);
1408 radeonfb_put32(sc, RADEON_CRTC_GEN_CNTL, ((crtcg & ~RADEON_CRTC_EN) |
1409 (RADEON_CRTC_DISP_REQ_EN_B |
1410 RADEON_CRTC_EXT_DISP_EN)));
1411 if (HAS_CRTC2(sc)) {
1412 crtc2g = radeonfb_get32(sc, RADEON_CRTC2_GEN_CNTL);
1413 radeonfb_put32(sc, RADEON_CRTC2_GEN_CNTL,
1414 (crtc2g & ~RADEON_CRTC2_EN) |
1415 RADEON_CRTC2_DISP_REQ_EN_B);
1416 }
1417 extc = radeonfb_get32(sc, RADEON_CRTC_EXT_CNTL);
1418 radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, (extc & ~RADEON_CRTC_CRT_ON) |
1419 (RADEON_CRTC_SYNC_TRISTAT |
1420 RADEON_CRTC_DISPLAY_DIS));
1421 pci_find_rom(pa, romt, romh, romsz, PCI_ROM_CODE_TYPE_X86, &biosh,
1422 &sc->sc_biossz);
1423
1424 foundit:
1425 if (sc->sc_biossz > 0) {
1426 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1427 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios,
1428 sc->sc_biossz);
1429 }
1430
1431 if (bios_voodoo != 0) {
1432 radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, extc);
1433 if (HAS_CRTC2(sc)) {
1434 radeonfb_put32(sc, RADEON_CRTC2_GEN_CNTL, crtc2g);
1435 }
1436 radeonfb_put32(sc, RADEON_CRTC_GEN_CNTL, crtcg);
1437 radeonfb_put32(sc, RADEON_BUS_CNTL, busctl);
1438 radeonfb_put32(sc, RADEON_VIPH_CONTROL, viphctl);
1439 radeonfb_put32(sc, RADEON_SEPROM_CNTL1, seprom);
1440 }
1441
1442 /* unmap the PCI expansion rom */
1443 bus_space_unmap(romt, romh, romsz);
1444
1445 /* turn off rom decoder now */
1446 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1447 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1448 ~PCI_MAPREG_ROM_ENABLE);
1449
1450 if (sc->sc_biossz > 0) {
1451 ptr = GETBIOS16(sc, 0x48);
1452 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1453 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1454 sc->sc_flags |= RFB_ATOM;
1455 }
1456
1457 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1458 (unsigned)sc->sc_biossz >> 10,
1459 IS_ATOM(sc) ? "ATOM" : "Legacy");
1460 }
1461 }
1462
1463
1464 uint32_t
1465 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1466 {
1467
1468 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1469 }
1470
1471 void
1472 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1473 {
1474
1475 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1476 }
1477
1478 void
1479 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1480 {
1481
1482 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1483 }
1484
1485 void
1486 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1487 uint32_t andmask, uint32_t ormask)
1488 {
1489 int s;
1490 uint32_t val;
1491
1492 s = splhigh();
1493 val = radeonfb_get32(sc, reg);
1494 val = (val & andmask) | ormask;
1495 radeonfb_put32(sc, reg, val);
1496 splx(s);
1497 }
1498
1499 uint32_t
1500 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1501 {
1502 int s;
1503 uint32_t val;
1504
1505 s = splhigh();
1506 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1507 val = radeonfb_get32(sc, RADEON_MM_DATA);
1508 splx(s);
1509
1510 return (val);
1511 }
1512
1513 void
1514 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1515 {
1516 int s;
1517
1518 s = splhigh();
1519 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1520 radeonfb_put32(sc, RADEON_MM_DATA, val);
1521 splx(s);
1522 }
1523
1524 void
1525 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1526 uint32_t andmask, uint32_t ormask)
1527 {
1528 int s;
1529 uint32_t val;
1530
1531 s = splhigh();
1532 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1533 val = radeonfb_get32(sc, RADEON_MM_DATA);
1534 val = (val & andmask) | ormask;
1535 radeonfb_put32(sc, RADEON_MM_DATA, val);
1536 splx(s);
1537 }
1538
1539 uint32_t
1540 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1541 {
1542 int s;
1543 uint32_t val;
1544
1545 s = splhigh();
1546 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f));
1547 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1548 if (HAS_R300CG(sc))
1549 radeonfb_r300cg_workaround(sc);
1550 splx(s);
1551
1552 return (val);
1553 }
1554
1555 void
1556 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1557 {
1558 int s;
1559
1560 s = splhigh();
1561 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1562 RADEON_PLL_WR_EN);
1563 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1564 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1565 splx(s);
1566 }
1567
1568 void
1569 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1570 uint32_t andmask, uint32_t ormask)
1571 {
1572 int s;
1573 uint32_t val;
1574
1575 s = splhigh();
1576 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1577 RADEON_PLL_WR_EN);
1578 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1579 val = (val & andmask) | ormask;
1580 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1581 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1582 splx(s);
1583 }
1584
1585 int
1586 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1587 {
1588 uint32_t saved;
1589
1590 saved = GET32(sc, reg);
1591 PUT32(sc, reg, v);
1592 if (GET32(sc, reg) != v) {
1593 return -1;
1594 }
1595 PUT32(sc, reg, saved);
1596 return 0;
1597 }
1598
1599 uintmax_t
1600 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1601 uintmax_t defval)
1602 {
1603 prop_number_t pn;
1604 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1605 if (pn == NULL) {
1606 return defval;
1607 }
1608 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1609 return prop_number_unsigned_value(pn);
1610 }
1611
1612 int
1613 radeonfb_getclocks(struct radeonfb_softc *sc)
1614 {
1615 bus_addr_t ptr;
1616 int refclk = 0;
1617 int refdiv = 0;
1618 int minpll = 0;
1619 int maxpll = 0;
1620
1621 /* load initial property values if port/board provides them */
1622 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1623 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1624 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1625 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1626
1627 PRINTPLL(RADEON_PPLL_REF_DIV);
1628 PRINTPLL(RADEON_PPLL_DIV_0);
1629 PRINTPLL(RADEON_PPLL_DIV_1);
1630 PRINTPLL(RADEON_PPLL_DIV_2);
1631 PRINTPLL(RADEON_PPLL_DIV_3);
1632 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
1633 PRINTPLL(RADEON_P2PLL_REF_DIV);
1634 PRINTPLL(RADEON_P2PLL_DIV_0);
1635
1636 if (refclk && refdiv && minpll && maxpll)
1637 goto dontprobe;
1638
1639 if (!sc->sc_biossz) {
1640 /* no BIOS */
1641 aprint_verbose("%s: No video BIOS, using default clocks\n",
1642 XNAME(sc));
1643 if (IS_IGP(sc))
1644 refclk = refclk ? refclk : 1432;
1645 else
1646 refclk = refclk ? refclk : 2700;
1647 refdiv = refdiv ? refdiv : 12;
1648 minpll = minpll ? minpll : 12500;
1649 /* XXX
1650 * Need to check if the firmware or something programmed a
1651 * higher value than this, and if so, bump it.
1652 * The RV280 in my iBook is unhappy if the PLL input is less
1653 * than 360MHz
1654 */
1655 maxpll = maxpll ? maxpll : 40000/*35000*/;
1656 } else if (IS_ATOM(sc)) {
1657 /* ATOM BIOS */
1658 ptr = GETBIOS16(sc, 0x48);
1659 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1660 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1661 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1662 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1663 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1664 /*
1665 * ATOM BIOS doesn't supply a reference divider, so we
1666 * have to probe for it.
1667 */
1668 if (refdiv < 2)
1669 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1670 RADEON_PPLL_REF_DIV_MASK;
1671 /*
1672 * if probe is zero, just assume one that should work
1673 * for most parts
1674 */
1675 if (refdiv < 2)
1676 refdiv = 12;
1677
1678 } else {
1679 uint32_t tmp = GETPLL(sc, RADEON_PPLL_REF_DIV);
1680 /* Legacy BIOS */
1681 ptr = GETBIOS16(sc, 0x48);
1682 ptr = GETBIOS16(sc, ptr + 0x30);
1683 if (IS_R300(sc)) {
1684 refdiv = refdiv ? refdiv :
1685 (tmp & R300_PPLL_REF_DIV_ACC_MASK) >>
1686 R300_PPLL_REF_DIV_ACC_SHIFT;
1687 } else {
1688 refdiv = refdiv ? refdiv :
1689 tmp & RADEON_PPLL_REF_DIV_MASK;
1690 }
1691 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1692 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1693 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1694 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1695 }
1696
1697
1698 dontprobe:
1699 sc->sc_refclk = refclk * 10;
1700 sc->sc_refdiv = refdiv;
1701 sc->sc_minpll = minpll * 10;
1702 sc->sc_maxpll = maxpll * 10;
1703 return 0;
1704 }
1705
1706 int
1707 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1708 uint32_t *postdivbit, uint32_t *feedbackdiv, int flags)
1709 {
1710 int i;
1711 uint32_t outfreq;
1712 int div;
1713
1714 DPRINTF(("dot clock: %u\n", dotclock));
1715 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1716
1717 if ((flags & NO_ODD_FBDIV) && ((div & 1) != 0))
1718 continue;
1719
1720 /*
1721 * XXX
1722 * the rv350 in my last generation 14" iBook G4 produces
1723 * garbage with dividers > 4. No idea if this is a hardware
1724 * limitation or an error in the divider table.
1725 */
1726 if ((sc->sc_family == RADEON_RV350) && (div > 4))
1727 continue;
1728
1729 outfreq = div * dotclock;
1730 if ((outfreq >= sc->sc_minpll) &&
1731 (outfreq <= sc->sc_maxpll)) {
1732 DPRINTF(("outfreq: %u\n", outfreq));
1733 *postdivbit =
1734 ((uint32_t)radeonfb_dividers[i].mask << 16);
1735 DPRINTF(("post divider: %d (mask %x)\n", div,
1736 *postdivbit));
1737 break;
1738 }
1739 }
1740
1741 if (div == 0)
1742 return 1;
1743
1744 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1745 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1746 return 0;
1747 }
1748
1749 #if 0
1750 #ifdef RADEONFB_DEBUG
1751 static void
1752 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1753 {
1754 char asc[17];
1755 unsigned ptr = (unsigned)buffer;
1756 char *start = (char *)(ptr & ~0xf);
1757 char *end = (char *)(ptr + size);
1758
1759 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1760
1761 if (pfx == NULL) {
1762 pfx = "";
1763 }
1764
1765 while (start < end) {
1766 unsigned offset = (unsigned)start & 0xf;
1767 if (offset == 0) {
1768 printf("%s%x: ", pfx, (unsigned)start);
1769 }
1770 if (((unsigned)start < ptr) ||
1771 ((unsigned)start >= (ptr + size))) {
1772 printf(" ");
1773 asc[offset] = ' ';
1774 } else {
1775 printf("%02x", *(unsigned char *)start);
1776 if ((*start >= ' ') && (*start <= '~')) {
1777 asc[offset] = *start;
1778 } else {
1779 asc[offset] = '.';
1780 }
1781 }
1782 asc[offset + 1] = 0;
1783 if (offset % 2) {
1784 printf(" ");
1785 }
1786 if (offset == 15) {
1787 printf(" %s\n", asc);
1788 }
1789 start++;
1790 }
1791 }
1792 #endif
1793 #endif
1794
1795 int
1796 radeonfb_getconnectors(struct radeonfb_softc *sc)
1797 {
1798 int i;
1799 int found = 0;
1800
1801 for (i = 0; i < 2; i++) {
1802 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1803 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1804 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1805 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1806 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1807 }
1808
1809 /*
1810 * This logic is borrowed from Xorg's radeon driver.
1811 */
1812 if (!sc->sc_biossz)
1813 goto nobios;
1814
1815 if (IS_ATOM(sc)) {
1816 /* not done yet */
1817 } else {
1818 uint16_t ptr;
1819 int port = 0;
1820
1821 ptr = GETBIOS16(sc, 0x48);
1822 ptr = GETBIOS16(sc, ptr + 0x50);
1823 for (i = 1; i < 4; i++) {
1824 uint16_t entry;
1825 uint8_t conn, ddc, dac, tmds;
1826
1827 /*
1828 * Parse the connector table. From reading the code,
1829 * it appears to made up of 16-bit entries for each
1830 * connector. The 16-bits are defined as:
1831 *
1832 * bits 12-15 - connector type (0 == end of table)
1833 * bits 8-11 - DDC type
1834 * bits 5-7 - ???
1835 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1836 * bits 1-3 - ???
1837 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1838 */
1839 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1840 break;
1841 entry = GETBIOS16(sc, ptr + i * 2);
1842
1843 conn = (entry >> 12) & 0xf;
1844 ddc = (entry >> 8) & 0xf;
1845 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1846 RADEON_DAC_PRIMARY;
1847 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1848 RADEON_TMDS_INT;
1849
1850 if (conn == RADEON_CONN_NONE)
1851 continue; /* no connector */
1852
1853 /*
1854 * XXX
1855 * both Mac Mini variants have both outputs wired to
1856 * the same connector and share the DDC lines
1857 */
1858 if ((found > 0) &&
1859 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1860 /* duplicate entry for same connector */
1861 continue;
1862 }
1863
1864 /* internal DDC_DVI port gets priority */
1865 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1866 port = 0;
1867 else
1868 port = 1;
1869
1870 sc->sc_ports[port].rp_ddc_type =
1871 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1872 sc->sc_ports[port].rp_dac_type = dac;
1873 sc->sc_ports[port].rp_conn_type =
1874 uimin(conn, RADEON_CONN_UNSUPPORTED) ;
1875
1876 sc->sc_ports[port].rp_tmds_type = tmds;
1877
1878 if ((conn != RADEON_CONN_DVI_I) &&
1879 (conn != RADEON_CONN_DVI_D) &&
1880 (tmds == RADEON_TMDS_INT))
1881 sc->sc_ports[port].rp_tmds_type =
1882 RADEON_TMDS_UNKNOWN;
1883 sc->sc_ports[port].rp_number = i - 1;
1884
1885 found += (port + 1);
1886 }
1887 }
1888
1889 nobios:
1890 if (!found) {
1891 bool dvi_ext = FALSE, dvi_int = FALSE;
1892 DPRINTF(("No connector info in BIOS!\n"));
1893 prop_dictionary_get_bool(device_properties(sc->sc_dev),
1894 "dvi-internal", &dvi_int);
1895 prop_dictionary_get_bool(device_properties(sc->sc_dev),
1896 "dvi-external", &dvi_ext);
1897 if (dvi_ext) {
1898 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1899 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_CRT2;
1900 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1901 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
1902 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_EXT; /* output to fp2 */
1903 sc->sc_ports[0].rp_number = 0;
1904 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1905 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_NONE;
1906 sc->sc_ports[1].rp_dac_type = RADEON_DAC_UNKNOWN;
1907 sc->sc_ports[1].rp_conn_type = RADEON_CONN_NONE;
1908 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1909 sc->sc_ports[1].rp_number = 1;
1910 } else if (dvi_int) {
1911 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1912 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_CRT2;
1913 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1914 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
1915 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1916 sc->sc_ports[0].rp_number = 0;
1917 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1918 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_NONE;
1919 sc->sc_ports[1].rp_dac_type = RADEON_DAC_UNKNOWN;
1920 sc->sc_ports[1].rp_conn_type = RADEON_CONN_NONE;
1921 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1922 sc->sc_ports[1].rp_number = 1;
1923 } else if IS_MOBILITY(sc) {
1924 /* default, port 0 = internal TMDS, port 1 = CRT */
1925 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1926 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1927 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1928 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1929 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1930 sc->sc_ports[0].rp_number = 0;
1931
1932 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1933 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1934 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1935 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1936 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1937 sc->sc_ports[1].rp_number = 1;
1938 } else {
1939 /* default, port 0 = DVI, port 1 = CRT */
1940 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1941 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1942 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1943 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1944 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1945 sc->sc_ports[0].rp_number = 0;
1946
1947 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1948 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1949 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1950 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1951 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1952 sc->sc_ports[1].rp_number = 1;
1953 }
1954 }
1955
1956 /*
1957 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1958 * these chips should use TVDAC for the VGA port.
1959 */
1960 if (HAS_SDAC(sc)) {
1961 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1962 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1963 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1964 } else {
1965 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1966 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1967 }
1968 } else if (!HAS_CRTC2(sc)) {
1969 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1970 }
1971
1972 for (i = 0; i < 2; i++) {
1973 char edid[128], edid_port_str[7] = "EDID:";
1974 uint8_t ddc;
1975 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1976 prop_data_t edid_data;
1977
1978 DPRINTF(("Port #%d:\n", i));
1979 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1980 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1981 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1982 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1983 DPRINTF((" crtc = %d\n", sc->sc_ports[i].rp_number));
1984
1985 sc->sc_ports[i].rp_edid_valid = 0;
1986 /*
1987 * First look for static EDID data
1988 * Try "EDID:port" then "EDID"
1989 */
1990 snprintf(&edid_port_str[5], 2, "%d", i);
1991 edid_data = prop_dictionary_get(device_properties(
1992 sc->sc_dev), edid_port_str);
1993 if (edid_data == NULL)
1994 edid_data = prop_dictionary_get(device_properties(
1995 sc->sc_dev), "EDID");
1996 if (edid_data != NULL) {
1997 aprint_debug_dev(sc->sc_dev, "using static EDID\n");
1998 memcpy(edid, prop_data_value(edid_data), 128);
1999 if (edid_parse(edid, eip) == 0) {
2000
2001 sc->sc_ports[i].rp_edid_valid = 1;
2002 #ifdef RADEONFB_DEBUG
2003 edid_print(eip);
2004 #endif
2005 }
2006 }
2007 /* if we didn't find any we'll try to talk to the monitor */
2008 if (sc->sc_ports[i].rp_edid_valid != 1) {
2009
2010 ddc = sc->sc_ports[i].rp_ddc_type;
2011 if (ddc != RADEON_DDC_NONE) {
2012 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
2013 == 0) && (edid_parse(edid, eip) == 0)) {
2014
2015 sc->sc_ports[i].rp_edid_valid = 1;
2016 #ifdef RADEONFB_DEBUG
2017 edid_print(eip);
2018 #endif
2019 }
2020 }
2021 }
2022 }
2023
2024 return found;
2025 }
2026
2027 int
2028 radeonfb_gettmds(struct radeonfb_softc *sc)
2029 {
2030 int i;
2031
2032 if (!sc->sc_biossz) {
2033 goto nobios;
2034 }
2035
2036 if (IS_ATOM(sc)) {
2037 /* XXX: not done yet */
2038 } else {
2039 uint16_t ptr;
2040 int n;
2041
2042 ptr = GETBIOS16(sc, 0x48);
2043 ptr = GETBIOS16(sc, ptr + 0x34);
2044 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
2045 if (GETBIOS8(sc, ptr) == 3) {
2046 /* revision three table */
2047 n = GETBIOS8(sc, ptr + 5) + 1;
2048 n = uimin(n, 4);
2049
2050 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
2051 for (i = 0; i < n; i++) {
2052 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
2053 ptr + i * 10 + 8);
2054 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
2055 ptr + i * 10 + 0x10);
2056 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
2057 sc->sc_tmds_pll[i].rtp_freq,
2058 sc->sc_tmds_pll[i].rtp_pll));
2059 }
2060 return 0;
2061 }
2062 }
2063
2064 nobios:
2065 DPRINTF(("no suitable DFP table present\n"));
2066 for (i = 0;
2067 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
2068 i++) {
2069 int j;
2070
2071 if (radeonfb_tmds_pll[i].family != sc->sc_family)
2072 continue;
2073
2074 for (j = 0; j < 4; j++) {
2075 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
2076 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
2077 sc->sc_tmds_pll[j].rtp_freq,
2078 sc->sc_tmds_pll[j].rtp_pll));
2079 }
2080 return 0;
2081 }
2082
2083 return -1;
2084 }
2085
2086 const struct videomode *
2087 radeonfb_modelookup(const char *name)
2088 {
2089 int i;
2090 /* Use a default mode in case we don't find a matching mode */
2091 const char *vm = "1024x768x60";
2092 const struct videomode *vmp = NULL;
2093
2094 for (i = 0; i < videomode_count; i++) {
2095 if (!strcmp(name, videomode_list[i].name))
2096 return &videomode_list[i];
2097 if (!strcmp(vm, videomode_list[i].name))
2098 vmp = &videomode_list[i];
2099 }
2100 return vmp;
2101 }
2102
2103 void
2104 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
2105 {
2106 if (crtc) {
2107 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
2108 RADEON_P2PLL_ATOMIC_UPDATE_R);
2109 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
2110 } else {
2111 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
2112 RADEON_PPLL_ATOMIC_UPDATE_R);
2113 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
2114 }
2115 }
2116
2117 void
2118 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
2119 {
2120 int i;
2121
2122 for (i = 10000; i; i--) {
2123 if (crtc) {
2124 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
2125 RADEON_P2PLL_ATOMIC_UPDATE_R)
2126 break;
2127 } else {
2128 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
2129 RADEON_PPLL_ATOMIC_UPDATE_R)
2130 break;
2131 }
2132 }
2133 }
2134
2135 void
2136 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc, int flags)
2137 {
2138 uint32_t pbit = 0;
2139 uint32_t feed = 0;
2140 uint32_t data, refdiv, div0, r2xxref;
2141
2142 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed, flags);
2143
2144 if (crtc == 0) {
2145
2146 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV);
2147
2148 /*
2149 * XXX
2150 * the RV350 in my last generation iBook G4 behaves like an
2151 * r2xx here - try to detect that and not screw up the reference
2152 * divider.
2153 * xf86-video-radeon just skips PLL programming altogether
2154 * on iBooks, probably for this reason.
2155 */
2156 r2xxref = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) | sc->sc_refdiv;
2157 if (IS_R300(sc) && (r2xxref != refdiv)) {
2158 refdiv = (refdiv & ~R300_PPLL_REF_DIV_ACC_MASK) |
2159 (sc->sc_refdiv << R300_PPLL_REF_DIV_ACC_SHIFT);
2160 } else {
2161 refdiv = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) |
2162 sc->sc_refdiv;
2163 }
2164 DPRINTF(("refdiv %08x\n", refdiv));
2165 div0 = GETPLL(sc, RADEON_PPLL_DIV_0);
2166 DPRINTF(("div0 %08x\n", div0));
2167 div0 &= ~(RADEON_PPLL_FB3_DIV_MASK |
2168 RADEON_PPLL_POST3_DIV_MASK);
2169 div0 |= pbit;
2170 div0 |= (feed & RADEON_PPLL_FB3_DIV_MASK);
2171 DPRINTF(("div0 %08x\n", div0));
2172
2173 if ((refdiv == GETPLL(sc, RADEON_PPLL_REF_DIV)) &&
2174 (div0 == GETPLL(sc, RADEON_PPLL_DIV_0))) {
2175 /*
2176 * nothing to do here, the PLL is already where we
2177 * want it
2178 */
2179 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
2180 ~RADEON_PLL_DIV_SEL);
2181 aprint_debug_dev(sc->sc_dev, "no need to touch the PLL\n");
2182 return;
2183 }
2184
2185 /* alright, we do need to reprogram stuff */
2186 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2187 RADEON_VCLK_SRC_SEL_CPUCLK,
2188 ~RADEON_VCLK_SRC_SEL_MASK);
2189
2190 /* put vclk into reset, use atomic updates */
2191 SETPLL(sc, RADEON_PPLL_CNTL,
2192 RADEON_PPLL_REFCLK_SEL |
2193 RADEON_PPLL_FBCLK_SEL |
2194 RADEON_PPLL_RESET |
2195 RADEON_PPLL_ATOMIC_UPDATE_EN |
2196 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2197
2198 /* select clock 0 */
2199 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
2200 ~RADEON_PLL_DIV_SEL);
2201
2202 PUTPLL(sc, RADEON_PPLL_REF_DIV, refdiv);
2203
2204 /* xf86-video-radeon does this, not sure why */
2205 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2206 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2207
2208 /* use the atomic update */
2209 radeonfb_pllwriteupdate(sc, crtc);
2210
2211 /* and wait for it to complete */
2212 radeonfb_pllwaitatomicread(sc, crtc);
2213
2214 /* program HTOTAL (why?) */
2215 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
2216
2217 /* drop reset */
2218 CLRPLL(sc, RADEON_PPLL_CNTL,
2219 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
2220 RADEON_PPLL_ATOMIC_UPDATE_EN |
2221 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2222
2223 PRINTPLL(RADEON_PPLL_CNTL);
2224 PRINTPLL(RADEON_PPLL_REF_DIV);
2225 PRINTPLL(RADEON_PPLL_DIV_3);
2226
2227 /* give clock time to lock */
2228 delay(50000);
2229
2230 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2231 RADEON_VCLK_SRC_SEL_PPLLCLK,
2232 ~RADEON_VCLK_SRC_SEL_MASK);
2233
2234 } else {
2235
2236 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2237 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
2238 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2239
2240 /* put vclk into reset, use atomic updates */
2241 SETPLL(sc, RADEON_P2PLL_CNTL,
2242 RADEON_P2PLL_RESET |
2243 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2244 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2245
2246 /* program reference divider */
2247 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
2248 ~RADEON_P2PLL_REF_DIV_MASK);
2249
2250 /* program feedback and post dividers */
2251 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
2252 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
2253 RADEON_P2PLL_POST0_DIV_MASK);
2254 data |= pbit;
2255 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
2256 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2257 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2258
2259 PRINTPLL(RADEON_P2PLL_REF_DIV);
2260 PRINTPLL(RADEON_P2PLL_DIV_0);
2261
2262 /* use the atomic update */
2263 radeonfb_pllwriteupdate(sc, crtc);
2264
2265 /* and wait for it to complete */
2266 radeonfb_pllwaitatomicread(sc, crtc);
2267
2268 /* program HTOTAL (why?) */
2269 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
2270
2271 /* drop reset */
2272 CLRPLL(sc, RADEON_P2PLL_CNTL,
2273 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
2274 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2275 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2276
2277 /* allow time for clock to lock */
2278 delay(50000);
2279
2280 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2281 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
2282 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2283 }
2284 PRINTREG(RADEON_CRTC_MORE_CNTL);
2285 }
2286
2287 void
2288 radeonfb_modeswitch(struct radeonfb_display *dp)
2289 {
2290 struct radeonfb_softc *sc = dp->rd_softc;
2291 int i;
2292
2293 if (IS_AVIVO(sc)) {
2294 /*
2295 * no actual mode setting yet, we just make sure the CRTCs
2296 * point at the right memory ranges and use the same pitch
2297 * for the drawing engine
2298 */
2299 if (GET32(sc, AVIVO_D1CRTC_CONTROL) & AVIVO_CRTC_EN) {
2300 CLR32(sc, AVIVO_D1GRPH_CONTROL, AVIVO_D1GRPH_MACRO_ADDRESS_MODE);
2301 dp->rd_stride = GET32(sc, AVIVO_D1GRPH_PITCH);
2302 PUT32(sc, AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS, 0);
2303 }
2304 if (GET32(sc, AVIVO_D2CRTC_CONTROL) & AVIVO_CRTC_EN) {
2305 CLR32(sc, AVIVO_D2GRPH_CONTROL, AVIVO_D1GRPH_MACRO_ADDRESS_MODE);
2306 dp->rd_stride = GET32(sc, AVIVO_D2GRPH_PITCH);
2307 PUT32(sc, AVIVO_D2GRPH_PRIMARY_SURFACE_ADDRESS, 0);
2308 }
2309 return;
2310 }
2311
2312 /* blank the display while we switch modes */
2313 //radeonfb_blank(dp, 1);
2314
2315 #if 0
2316 SET32(sc, RADEON_CRTC_EXT_CNTL,
2317 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2318 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2319 #endif
2320
2321 /* these registers might get in the way... */
2322 PUT32(sc, RADEON_OVR_CLR, 0);
2323 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
2324 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
2325 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
2326 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
2327 PUT32(sc, RADEON_VIPH_CONTROL, 0);
2328 PUT32(sc, RADEON_I2C_CNTL_1, 0);
2329 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2330 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
2331 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
2332
2333 for (i = 0; i < dp->rd_ncrtcs; i++)
2334 radeonfb_setcrtc(dp, i);
2335
2336 #if 0
2337 /*
2338 * DVO chip voodoo from xf86-video-radeon
2339 * apparently this is needed for some powerbooks with DVI outputs
2340 */
2341
2342 uint8_t data[5][2] = {{0x8, 0x030}, {0x9, 0}, {0xa, 0x90}, {0xc, 0x89}, {0x8, 0x3b}};
2343 int n = 0;
2344 iic_acquire_bus(&sc->sc_i2c[0].ric_controller, 0);
2345 for (i = 0; i < 5; i++)
2346 n += iic_exec(&sc->sc_i2c[0].ric_controller, I2C_OP_WRITE, 0x38, data[i], 2, NULL, 0, 0);
2347 iic_release_bus(&sc->sc_i2c[0].ric_controller, 0);
2348 printf("n = %d\n", n);
2349 #endif
2350
2351 /* activate the display */
2352 radeonfb_blank(dp, 0);
2353 }
2354
2355 void
2356 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
2357 {
2358 int crtc, flags = 0;
2359 struct videomode *mode;
2360 struct radeonfb_softc *sc;
2361 struct radeonfb_crtc *cp;
2362 uint32_t v, hd, vd;
2363 uint32_t gencntl;
2364 uint32_t htotaldisp;
2365 uint32_t hsyncstrt;
2366 uint32_t vtotaldisp;
2367 uint32_t vsyncstrt;
2368 uint32_t fphsyncstrt;
2369 uint32_t fpvsyncstrt;
2370 uint32_t fphtotaldisp;
2371 uint32_t fpvtotaldisp;
2372 uint32_t pitch;
2373
2374 sc = dp->rd_softc;
2375
2376 if ((sc->sc_ports[index].rp_tmds_type == RADEON_TMDS_INT) ||
2377 (sc->sc_ports[index].rp_tmds_type == RADEON_TMDS_EXT)) {
2378 flags |= NO_ODD_FBDIV;
2379 }
2380
2381 cp = &dp->rd_crtcs[index];
2382 crtc = cp->rc_number;
2383 mode = &cp->rc_videomode;
2384
2385 #if 1
2386 pitch = dp->rd_stride / dp->rd_bpp;
2387 #else
2388 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
2389 (sc->sc_maxbpp * 8));
2390 #endif
2391 switch (crtc) {
2392 case 0:
2393 gencntl = RADEON_CRTC_GEN_CNTL;
2394 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
2395 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
2396 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
2397 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2398 /* should probably leave those alone on non-LVDS */
2399 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2400 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2401 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2402 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2403 break;
2404 case 1:
2405 gencntl = RADEON_CRTC2_GEN_CNTL;
2406 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2407 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2408 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2409 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2410 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2411 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2412 /* XXX these registers don't seem to exist */
2413 fpvtotaldisp = 0;//RADEON_FP_CRTC2_V_TOTAL_DISP;
2414 fphtotaldisp = 0;//RADEON_FP_CRTC2_H_TOTAL_DISP;
2415 break;
2416 default:
2417 panic("Bad CRTC!");
2418 break;
2419 }
2420
2421 /*
2422 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2423 */
2424 /* only bother with 32bpp and 8bpp */
2425 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2426
2427 if (crtc == 1) {
2428 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2429 } else {
2430 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2431 }
2432
2433 if (mode->flags & VID_DBLSCAN)
2434 v |= RADEON_CRTC2_DBL_SCAN_EN;
2435
2436 if (mode->flags & VID_INTERLACE)
2437 v |= RADEON_CRTC2_INTERLACE_EN;
2438
2439 if (mode->flags & VID_CSYNC) {
2440 v |= RADEON_CRTC2_CSYNC_EN;
2441 if (crtc == 1)
2442 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2443 }
2444
2445 PUT32(sc, gencntl, v);
2446 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2447
2448 /*
2449 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2450 */
2451 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2452 if (crtc == 0) {
2453 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2454 RADEON_CRTC_DISPLAY_DIS);
2455 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2456 if (mode->flags & VID_CSYNC)
2457 v |= RADEON_CRTC_VSYNC_TRISTAT;
2458 }
2459 /* unconditional turn on CRT, in case first CRTC is DFP */
2460 v |= RADEON_CRTC_CRT_ON;
2461 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2462 PRINTREG(RADEON_CRTC_EXT_CNTL);
2463
2464 hd = ((GET32(sc, htotaldisp) >> 16) + 1) * 8;
2465 vd = (GET32(sc, vtotaldisp) >> 16) + 1;
2466 DPRINTF(("res %d x %d\n", hd, vd));
2467
2468 if ((hd != mode->hdisplay) || (vd != mode->vdisplay)) {
2469
2470 /*
2471 * H_TOTAL_DISP
2472 */
2473 v = ((mode->hdisplay / 8) - 1) << 16;
2474 v |= (mode->htotal / 8) - 1;
2475 PRINTREG(RADEON_CRTC_H_TOTAL_DISP);
2476 PUT32(sc, htotaldisp, v);
2477 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2478 if (fphtotaldisp) {
2479 PRINTREG(RADEON_FP_CRTC_H_TOTAL_DISP);
2480 PUT32(sc, fphtotaldisp, v);
2481 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2482 }
2483 /*
2484 * H_SYNC_STRT_WID
2485 */
2486 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2487 v |= (mode->hsync_start - 8); /* match xf86-video-radeon */
2488 if (mode->flags & VID_NHSYNC)
2489 v |= RADEON_CRTC_H_SYNC_POL;
2490 PUT32(sc, hsyncstrt, v);
2491 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2492 if (fphsyncstrt) {
2493 PUT32(sc, fphsyncstrt, v);
2494 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2495 }
2496
2497 /*
2498 * V_TOTAL_DISP
2499 */
2500 v = ((mode->vdisplay - 1) << 16);
2501 v |= (mode->vtotal - 1);
2502 PUT32(sc, vtotaldisp, v);
2503 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2504 if (fpvtotaldisp) {
2505 PUT32(sc, fpvtotaldisp, v);
2506 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2507 }
2508
2509 /*
2510 * V_SYNC_STRT_WID
2511 */
2512 v = ((mode->vsync_end - mode->vsync_start) << 16);
2513 v |= (mode->vsync_start - 1);
2514 if (mode->flags & VID_NVSYNC)
2515 v |= RADEON_CRTC_V_SYNC_POL;
2516 PUT32(sc, vsyncstrt, v);
2517 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2518 if (fpvsyncstrt) {
2519 PUT32(sc, fpvsyncstrt, v);
2520 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2521 }
2522 }
2523 radeonfb_program_vclk(sc, mode->dot_clock, crtc, flags);
2524
2525 switch (crtc) {
2526 case 0:
2527 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2528 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2529 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2530 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2531
2532 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2533 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2534 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2535 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2536 PRINTREG(RADEON_CRTC_EXT_CNTL);
2537 PRINTREG(RADEON_CRTC_GEN_CNTL);
2538 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2539 break;
2540
2541 case 1:
2542 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2543 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2544 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2545 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2546 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2547 RADEON_CRTC2_VSYNC_DIS |
2548 RADEON_CRTC2_HSYNC_DIS |
2549 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2550 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2551 break;
2552 }
2553 }
2554
2555 int
2556 radeonfb_isblank(struct radeonfb_display *dp)
2557 {
2558 struct radeonfb_softc *sc = dp->rd_softc;
2559 uint32_t reg, mask;
2560
2561 if(!dp->rd_softc->sc_mapped)
2562 return 1;
2563
2564 if (IS_AVIVO(sc)) {
2565 reg = GET32(sc, AVIVO_D1CRTC_CONTROL);
2566 return ((reg & AVIVO_CRTC_EN) == 0);
2567 }
2568
2569 if (dp->rd_crtcs[0].rc_number) {
2570 reg = RADEON_CRTC2_GEN_CNTL;
2571 mask = RADEON_CRTC2_DISP_DIS;
2572 } else {
2573 reg = RADEON_CRTC_EXT_CNTL;
2574 mask = RADEON_CRTC_DISPLAY_DIS;
2575 }
2576 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2577 }
2578
2579 void
2580 radeonfb_blank(struct radeonfb_display *dp, int blank)
2581 {
2582 struct radeonfb_softc *sc = dp->rd_softc;
2583 uint32_t reg, mask;
2584 uint32_t fpreg, fpval;
2585 int i;
2586
2587
2588 if (!sc->sc_mapped)
2589 return;
2590
2591 if(IS_AVIVO(sc)) {
2592
2593 /*
2594 * XXX
2595 * I don't know how to turn the sunc outputs off for DPMS
2596 * power control, so for now just turn the entire CRTC off
2597 */
2598 if (blank) {
2599 CLR32(sc, AVIVO_D1CRTC_CONTROL, AVIVO_CRTC_EN);
2600 CLR32(sc, AVIVO_D2CRTC_CONTROL, AVIVO_CRTC_EN);
2601 } else {
2602 SET32(sc, AVIVO_D1CRTC_CONTROL, AVIVO_CRTC_EN);
2603 SET32(sc, AVIVO_D2CRTC_CONTROL, AVIVO_CRTC_EN);
2604 }
2605 return;
2606 }
2607 /* non-AVIVO case */
2608 for (i = 0; i < dp->rd_ncrtcs; i++) {
2609
2610 if (dp->rd_crtcs[i].rc_number) {
2611 reg = RADEON_CRTC2_GEN_CNTL;
2612 mask = RADEON_CRTC2_DISP_DIS;
2613 fpreg = RADEON_FP2_GEN_CNTL;
2614 fpval = RADEON_FP2_ON;
2615 } else {
2616 reg = RADEON_CRTC_EXT_CNTL;
2617 mask = RADEON_CRTC_DISPLAY_DIS;
2618 fpreg = RADEON_FP_GEN_CNTL;
2619 fpval = RADEON_FP_FPON;
2620 }
2621
2622 if (blank) {
2623 SET32(sc, reg, mask);
2624 CLR32(sc, fpreg, fpval);
2625 } else {
2626 CLR32(sc, reg, mask);
2627 SET32(sc, fpreg, fpval);
2628 }
2629 }
2630 PRINTREG(RADEON_FP_GEN_CNTL);
2631 PRINTREG(RADEON_FP2_GEN_CNTL);
2632 }
2633
2634 void
2635 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2636 long *defattr)
2637 {
2638 struct radeonfb_display *dp = cookie;
2639 struct rasops_info *ri = &scr->scr_ri;
2640
2641 /* initialize font subsystem */
2642 wsfont_init();
2643
2644 scr->scr_flags |= VCONS_LOADFONT;
2645
2646 DPRINTF(("init screen called, existing %d\n", existing));
2647
2648 ri->ri_depth = dp->rd_bpp;
2649 ri->ri_width = dp->rd_virtx;
2650 ri->ri_height = dp->rd_virty;
2651 ri->ri_stride = dp->rd_stride;
2652 ri->ri_flg = RI_CENTER;
2653 switch (ri->ri_depth) {
2654 case 8:
2655 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB | RI_PREFER_ALPHA;
2656 break;
2657 case 32:
2658 ri->ri_flg |= RI_ENABLE_ALPHA | RI_PREFER_ALPHA;
2659 /* we run radeons in RGB even on SPARC hardware */
2660 ri->ri_rnum = 8;
2661 ri->ri_gnum = 8;
2662 ri->ri_bnum = 8;
2663 ri->ri_rpos = 16;
2664 ri->ri_gpos = 8;
2665 ri->ri_bpos = 0;
2666 break;
2667 }
2668
2669 ri->ri_bits = (void *)dp->rd_fbptr;
2670
2671 #ifdef VCONS_DRAW_INTR
2672 scr->scr_flags |= VCONS_DONT_READ;
2673 #endif
2674
2675 if (existing) {
2676 ri->ri_flg |= RI_CLEAR;
2677
2678 /* start a modeswitch now */
2679 //radeonfb_modeswitch(dp);
2680 }
2681
2682 /*
2683 * XXX: font selection should be based on properties, with some
2684 * normal/reasonable default.
2685 */
2686
2687 /* initialize and look for an initial font */
2688 rasops_init(ri, 0, 0);
2689 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
2690 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE | WSSCREEN_RESIZE;
2691
2692 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2693 dp->rd_virtx / ri->ri_font->fontwidth);
2694
2695 /* enable acceleration */
2696 dp->rd_putchar = ri->ri_ops.putchar;
2697 ri->ri_ops.copyrows = radeonfb_copyrows;
2698 ri->ri_ops.copycols = radeonfb_copycols;
2699 ri->ri_ops.eraserows = radeonfb_eraserows;
2700 ri->ri_ops.erasecols = radeonfb_erasecols;
2701 /* pick a putchar method based on font and Radeon model */
2702 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2703 /* got a bitmap font */
2704 #if !defined(RADEONFB_ALWAYS_ACCEL_PUTCHAR)
2705 if (IS_R300(dp->rd_softc) && 0) {
2706 /*
2707 * radeonfb_putchar() doesn't work right on some R3xx
2708 * so we use software drawing here, the wrapper just
2709 * makes sure the engine is idle before scribbling
2710 * into vram
2711 */
2712 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2713 } else
2714 #endif
2715 ri->ri_ops.putchar = radeonfb_putchar;
2716 } else {
2717 /* got an alpha font */
2718 switch(ri->ri_depth) {
2719 case 32:
2720 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2721 break;
2722 case 8:
2723 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2724 break;
2725 default:
2726 /* XXX this should never happen */
2727 panic("%s: depth is not 8 or 32 but we got an" \
2728 " alpha font?!", __func__);
2729 }
2730 }
2731 ri->ri_ops.cursor = radeonfb_cursor;
2732 }
2733
2734 static uint32_t
2735 radeonfb_avivo_INMC(struct radeonfb_softc *sc, uint32_t addr)
2736 {
2737 uint32_t data;
2738
2739 PUT32(sc, AVIVO_MC_INDEX, (addr & 0xff) | 0x7f0000);
2740 (void)GET32(sc, AVIVO_MC_INDEX);
2741 data = GET32(sc, AVIVO_MC_DATA);
2742 PUT32(sc, AVIVO_MC_INDEX, 0);
2743 (void)GET32(sc, AVIVO_MC_INDEX);
2744 return data;
2745 }
2746
2747 static void
2748 radeonfb_avivo_OUTMC(struct radeonfb_softc *sc, uint32_t addr, uint32_t data)
2749 {
2750
2751 PUT32(sc, AVIVO_MC_INDEX, (addr & 0xff) | 0x7f0000);
2752 (void)GET32(sc, AVIVO_MC_INDEX);
2753 PUT32(sc, AVIVO_MC_DATA, data);
2754 PUT32(sc, AVIVO_MC_INDEX, 0);
2755 (void)GET32(sc, AVIVO_MC_INDEX);
2756 }
2757
2758 void
2759 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2760 {
2761 uint32_t gen = 0, ext = 0, gen2 = 0;
2762 uint32_t agploc, aperbase, apersize, mcfbloc;
2763
2764
2765 if (IS_AVIVO(sc)) {
2766 agploc = radeonfb_avivo_INMC(sc, R520_MC_AGP_LOCATION);
2767 } else {
2768 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2769 /* XXX */
2770 ext = GET32(sc, RADEON_CRTC_EXT_CNTL) & ~RADEON_CRTC_DISPLAY_DIS;
2771 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2772 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2773 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2774 #if 0
2775 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2776 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2777 #endif
2778
2779 if (HAS_CRTC2(sc)) {
2780 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2781 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2782 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2783 }
2784
2785 delay(100000);
2786 }
2787
2788 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2789 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2790
2791
2792 mcfbloc = (aperbase >> 16) |
2793 ((aperbase + (apersize - 1)) & 0xffff0000);
2794
2795 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2796 sc->sc_memsz = apersize;
2797 DPRINTF(("aperbase = %08x\n", aperbase));
2798
2799 if (((agploc & 0xffff) << 16) !=
2800 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2801 agploc = mcfbloc & 0xffff0000U;
2802 agploc |= ((agploc + 0x10000) >> 16);
2803 }
2804
2805 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2806
2807 if (IS_AVIVO(sc)) {
2808 radeonfb_avivo_OUTMC(sc, R520_MC_FB_LOCATION, mcfbloc);
2809 radeonfb_avivo_OUTMC(sc, R520_MC_AGP_LOCATION, agploc);
2810 PRINTREG(AVIVO_HDP_FB_LOCATION);
2811 DPRINTF((" FB loc %08x\n", radeonfb_avivo_INMC(sc, R520_MC_FB_LOCATION)));
2812 DPRINTF(("AGP loc %08x\n", radeonfb_avivo_INMC(sc, R520_MC_AGP_LOCATION)));
2813 } else {
2814 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2815 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2816 PRINTREG(RADEON_MC_FB_LOCATION);
2817 PRINTREG(RADEON_MC_AGP_LOCATION);
2818
2819 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2820
2821 if (HAS_CRTC2(sc))
2822 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2823
2824 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2825 delay(100000);
2826
2827 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2828 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2829
2830 if (HAS_CRTC2(sc))
2831 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2832 }
2833 #if 0
2834 /* XXX: what is this AGP garbage? :-) */
2835 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2836 #endif
2837 }
2838
2839 void
2840 radeonfb_init_misc(struct radeonfb_softc *sc)
2841 {
2842 PUT32(sc, RADEON_BUS_CNTL,
2843 RADEON_BUS_MASTER_DIS |
2844 RADEON_BUS_PREFETCH_MODE_ACT |
2845 RADEON_BUS_PCI_READ_RETRY_EN |
2846 RADEON_BUS_PCI_WRT_RETRY_EN |
2847 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2848 RADEON_BUS_MSTR_RD_MULT |
2849 RADEON_BUS_MSTR_RD_LINE |
2850 RADEON_BUS_RD_DISCARD_EN |
2851 RADEON_BUS_MSTR_DISCONNECT_EN |
2852 RADEON_BUS_READ_BURST);
2853
2854 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2855 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2856 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2857 PUT32(sc, RADEON_RBBM_CNTL,
2858 (3 << RADEON_RB_SETTLE_SHIFT) |
2859 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2860 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2861 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2862
2863 /* XXX: figure out what these mean! */
2864 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2865 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2866 #if 0
2867 PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2868 #endif
2869
2870 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2871 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2872 }
2873
2874 static void
2875 radeonfb_putpal(struct radeonfb_display *dp, int idx, int r, int g, int b)
2876 {
2877 struct radeonfb_softc *sc = dp->rd_softc;
2878 int crtc, cc;
2879 uint32_t vclk;
2880
2881 if (IS_AVIVO(sc)) {
2882 for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
2883 crtc = dp->rd_crtcs[cc].rc_number;
2884
2885 if (crtc)
2886 PUT32(sc, AVIVO_DC_LUT_RW_SELECT, 1);
2887 else
2888 PUT32(sc, AVIVO_DC_LUT_RW_SELECT, 0);
2889
2890 PUT32(sc, AVIVO_DC_LUT_RW_INDEX, idx);
2891 PUT32(sc, AVIVO_DC_LUT_30_COLOR,
2892 (r << 22) | (g << 12) | (b << 2));
2893 }
2894
2895 } else {
2896 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2897 PUTPLL(sc, RADEON_VCLK_ECP_CNTL,
2898 vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2899
2900 /* init the palette for every CRTC used by this display */
2901 for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
2902 crtc = dp->rd_crtcs[cc].rc_number;
2903
2904 if (crtc)
2905 SET32(sc, RADEON_DAC_CNTL2,
2906 RADEON_DAC2_PALETTE_ACC_CTL);
2907 else
2908 CLR32(sc, RADEON_DAC_CNTL2,
2909 RADEON_DAC2_PALETTE_ACC_CTL);
2910
2911 PUT32(sc, RADEON_PALETTE_INDEX, idx);
2912 PUT32(sc, RADEON_PALETTE_30_DATA,
2913 (r << 22) | (g << 12) | (b << 2));
2914 }
2915
2916 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2917 }
2918 }
2919
2920 /*
2921 * This loads a linear color map for true color.
2922 */
2923 void
2924 radeonfb_init_palette(struct radeonfb_display *dp)
2925 {
2926 int i;
2927
2928 #define DAC_WIDTH ((1 << 10) - 1)
2929 #define CLUT_WIDTH ((1 << 8) - 1)
2930 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2931
2932 if (dp->rd_bpp == 8) {
2933
2934 /* R3G3B2 palette */
2935 uint32_t tmp, r, g, b;
2936
2937 for (i = 0; i <= CLUT_WIDTH; ++i) {
2938 tmp = i & 0xe0;
2939
2940 /*
2941 * replicate bits so 0xe0 maps to a red value of 0xff
2942 * in order to make white look actually white
2943 */
2944 tmp |= (tmp >> 3) | (tmp >> 6);
2945 r = tmp;
2946
2947 tmp = (i & 0x1c) << 3;
2948 tmp |= (tmp >> 3) | (tmp >> 6);
2949 g = tmp;
2950
2951 tmp = (i & 0x03) << 6;
2952 tmp |= tmp >> 2;
2953 tmp |= tmp >> 4;
2954 b = tmp;
2955
2956 dp->rd_cmap_red[i] = r;
2957 dp->rd_cmap_green[i] = g;
2958 dp->rd_cmap_blue[i] = b;
2959 radeonfb_putpal(dp, i, r, g, b);
2960 }
2961 } else {
2962 /* linear ramp */
2963 for (i = 0; i <= CLUT_WIDTH; ++i) {
2964 radeonfb_putpal(dp, i, i, i, i);
2965 }
2966 }
2967 }
2968
2969 static int
2970 radeonfb_putcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
2971 {
2972 u_char *r, *g, *b;
2973 u_int index = cm->index;
2974 u_int count = cm->count;
2975 int i, error;
2976 u_char rbuf[256], gbuf[256], bbuf[256];
2977
2978 #ifdef GENFB_DEBUG
2979 aprint_debug("putcmap: %d %d\n",index, count);
2980 #endif
2981 if (index >= 256 || count > 256 - index)
2982 return EINVAL;
2983 error = copyin(cm->red, &rbuf[index], count);
2984 if (error)
2985 return error;
2986 error = copyin(cm->green, &gbuf[index], count);
2987 if (error)
2988 return error;
2989 error = copyin(cm->blue, &bbuf[index], count);
2990 if (error)
2991 return error;
2992
2993 memcpy(&dp->rd_cmap_red[index], &rbuf[index], count);
2994 memcpy(&dp->rd_cmap_green[index], &gbuf[index], count);
2995 memcpy(&dp->rd_cmap_blue[index], &bbuf[index], count);
2996
2997 r = &dp->rd_cmap_red[index];
2998 g = &dp->rd_cmap_green[index];
2999 b = &dp->rd_cmap_blue[index];
3000
3001 for (i = 0; i < count; i++) {
3002 radeonfb_putpal(dp, index, *r, *g, *b);
3003 index++;
3004 r++, g++, b++;
3005 }
3006 return 0;
3007 }
3008
3009 static int
3010 radeonfb_getcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
3011 {
3012 u_int index = cm->index;
3013 u_int count = cm->count;
3014 int error;
3015
3016 if (index >= 256 || count > 256 - index)
3017 return EINVAL;
3018
3019 error = copyout(&dp->rd_cmap_red[index], cm->red, count);
3020 if (error)
3021 return error;
3022 error = copyout(&dp->rd_cmap_green[index], cm->green, count);
3023 if (error)
3024 return error;
3025 error = copyout(&dp->rd_cmap_blue[index], cm->blue, count);
3026 if (error)
3027 return error;
3028
3029 return 0;
3030 }
3031
3032 /*
3033 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
3034 */
3035 void
3036 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
3037 {
3038 uint32_t tmp, save;
3039
3040 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3041 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
3042 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
3043 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
3044 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
3045 }
3046
3047 /*
3048 * Acceleration entry points.
3049 */
3050
3051 /* this one draws characters using bitmap fonts */
3052 static void
3053 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
3054 {
3055 struct rasops_info *ri = cookie;
3056 struct vcons_screen *scr = ri->ri_hw;
3057 struct radeonfb_display *dp = scr->scr_cookie;
3058 struct radeonfb_softc *sc = dp->rd_softc;
3059 struct wsdisplay_font *font = PICK_FONT(ri, c);
3060 uint32_t w, h;
3061 int xd, yd, offset, i;
3062 uint32_t bg, fg, gmc;
3063 uint32_t reg;
3064 uint8_t *data8;
3065 uint16_t *data16;
3066 uint32_t *data32;
3067 void *data;
3068
3069 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
3070 return;
3071
3072 if (!CHAR_IN_FONT(c, font))
3073 return;
3074
3075 w = font->fontwidth;
3076 h = font->fontheight;
3077
3078 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
3079 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
3080
3081 xd = ri->ri_xorigin + col * w;
3082 yd = ri->ri_yorigin + row * h;
3083
3084 if (c == 0x20) {
3085 radeonfb_rectfill(dp, xd, yd, w, h, bg);
3086 return;
3087 }
3088 data = WSFONT_GLYPH(c, font);
3089
3090 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3091
3092 radeonfb_wait_fifo(sc, 9);
3093
3094 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3095 RADEON_GMC_BRUSH_NONE |
3096 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
3097 RADEON_GMC_DST_CLIPPING |
3098 RADEON_ROP3_S |
3099 RADEON_DP_SRC_SOURCE_HOST_DATA |
3100 RADEON_GMC_CLR_CMP_CNTL_DIS |
3101 RADEON_GMC_WR_MSK_DIS |
3102 gmc);
3103
3104 PUT32(sc, RADEON_SC_LEFT, xd);
3105 PUT32(sc, RADEON_SC_RIGHT, xd + w);
3106 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
3107 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
3108 PUT32(sc, RADEON_DP_CNTL,
3109 RADEON_DST_X_LEFT_TO_RIGHT |
3110 RADEON_DST_Y_TOP_TO_BOTTOM);
3111
3112 PUT32(sc, RADEON_SRC_X_Y, 0);
3113 offset = 32 - (font->stride << 3);
3114 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
3115 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
3116
3117 radeonfb_wait_fifo(sc, h);
3118 switch (font->stride) {
3119 case 1: {
3120 data8 = data;
3121 for (i = 0; i < h; i++) {
3122 reg = *data8;
3123 #if BYTE_ORDER == LITTLE_ENDIAN
3124 reg = reg << 24;
3125 #endif
3126 bus_space_write_stream_4(sc->sc_regt,
3127 sc->sc_regh, RADEON_HOST_DATA0, reg);
3128 data8++;
3129 }
3130 break;
3131 }
3132 case 2: {
3133 data16 = data;
3134 for (i = 0; i < h; i++) {
3135 reg = *data16;
3136 #if BYTE_ORDER == LITTLE_ENDIAN
3137 reg = reg << 16;
3138 #endif
3139 bus_space_write_stream_4(sc->sc_regt,
3140 sc->sc_regh, RADEON_HOST_DATA0, reg);
3141 data16++;
3142 }
3143 break;
3144 }
3145 case 4: {
3146 data32 = data;
3147 for (i = 0; i < h; i++) {
3148 reg = *data32;
3149 bus_space_write_stream_4(sc->sc_regt,
3150 sc->sc_regh, RADEON_HOST_DATA0, reg);
3151 data32++;
3152 }
3153 break;
3154 }
3155 }
3156 if (attr & 1)
3157 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
3158 }
3159
3160 /* ... while this one is for anti-aliased ones */
3161 static void
3162 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
3163 {
3164 struct rasops_info *ri = cookie;
3165 struct vcons_screen *scr = ri->ri_hw;
3166 struct radeonfb_display *dp = scr->scr_cookie;
3167 struct radeonfb_softc *sc = dp->rd_softc;
3168 struct wsdisplay_font *font = PICK_FONT(ri, c);
3169 uint32_t bg, fg, gmc;
3170 uint8_t *data;
3171 int w, h, xd, yd;
3172 int i, r, g, b, aval;
3173 int rf, gf, bf, rb, gb, bb;
3174 uint32_t pixel;
3175 int rv;
3176
3177 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
3178 return;
3179
3180 if (!CHAR_IN_FONT(c, font))
3181 return;
3182
3183 w = font->fontwidth;
3184 h = font->fontheight;
3185
3186 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
3187 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
3188
3189 xd = ri->ri_xorigin + col * w;
3190 yd = ri->ri_yorigin + row * h;
3191
3192 if (c == 0x20) {
3193 radeonfb_rectfill(dp, xd, yd, w, h, bg);
3194 if (attr & 1)
3195 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
3196 return;
3197 }
3198 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
3199 if (rv == GC_OK)
3200 return;
3201
3202 data = WSFONT_GLYPH(c, font);
3203
3204 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3205
3206 radeonfb_wait_fifo(sc, 5);
3207
3208 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3209 RADEON_GMC_BRUSH_NONE |
3210 RADEON_GMC_SRC_DATATYPE_COLOR |
3211 RADEON_ROP3_S |
3212 RADEON_DP_SRC_SOURCE_HOST_DATA |
3213 RADEON_GMC_CLR_CMP_CNTL_DIS |
3214 RADEON_GMC_WR_MSK_DIS |
3215 gmc);
3216
3217 PUT32(sc, RADEON_DP_CNTL,
3218 RADEON_DST_X_LEFT_TO_RIGHT |
3219 RADEON_DST_Y_TOP_TO_BOTTOM);
3220
3221 PUT32(sc, RADEON_SRC_X_Y, 0);
3222 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
3223 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
3224
3225 rf = (fg >> 16) & 0xff;
3226 rb = (bg >> 16) & 0xff;
3227 gf = (fg >> 8) & 0xff;
3228 gb = (bg >> 8) & 0xff;
3229 bf = fg & 0xff;
3230 bb = bg & 0xff;
3231
3232 /*
3233 * I doubt we can upload data faster than even the slowest Radeon
3234 * could process them, especially when doing the alpha blending stuff
3235 * along the way, so just make sure there's some room in the FIFO and
3236 * then hammer away
3237 * As it turns out we can, so make periodic stops to let the FIFO
3238 * drain.
3239 */
3240 radeonfb_wait_fifo(sc, 20);
3241 for (i = 0; i < ri->ri_fontscale; i++) {
3242 aval = *data;
3243 data++;
3244 if (aval == 0) {
3245 pixel = bg;
3246 } else if (aval == 255) {
3247 pixel = fg;
3248 } else {
3249 r = aval * rf + (255 - aval) * rb;
3250 g = aval * gf + (255 - aval) * gb;
3251 b = aval * bf + (255 - aval) * bb;
3252 pixel = (r & 0xff00) << 8 |
3253 (g & 0xff00) |
3254 (b & 0xff00) >> 8;
3255 }
3256 if (i & 16)
3257 radeonfb_wait_fifo(sc, 20);
3258 PUT32(sc, RADEON_HOST_DATA0, pixel);
3259 }
3260 if (rv == GC_ADD) {
3261 glyphcache_add(&dp->rd_gc, c, xd, yd);
3262 } else if (attr & 1)
3263 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
3264 }
3265
3266 static void
3267 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
3268 {
3269 struct rasops_info *ri = cookie;
3270 struct vcons_screen *scr = ri->ri_hw;
3271 struct radeonfb_display *dp = scr->scr_cookie;
3272 struct radeonfb_softc *sc = dp->rd_softc;
3273 struct wsdisplay_font *font = PICK_FONT(ri, c);
3274 uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
3275 int i, x, y, wi, he, r, g, b, aval;
3276 int r1, g1, b1, r0, g0, b0, fgo, bgo;
3277 uint8_t *data8;
3278 int rv, cnt;
3279
3280 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
3281 return;
3282
3283 if (!CHAR_IN_FONT(c, font))
3284 return;
3285
3286 wi = font->fontwidth;
3287 he = font->fontheight;
3288
3289 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
3290 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
3291
3292 x = ri->ri_xorigin + col * wi;
3293 y = ri->ri_yorigin + row * he;
3294
3295 if (c == 0x20) {
3296 radeonfb_rectfill(dp, x, y, wi, he, bg);
3297 if (attr & 1)
3298 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
3299 return;
3300 }
3301 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
3302 if (rv == GC_OK)
3303 return;
3304
3305 data8 = WSFONT_GLYPH(c, font);
3306
3307 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3308
3309 radeonfb_wait_fifo(sc, 5);
3310
3311 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3312 RADEON_GMC_BRUSH_NONE |
3313 RADEON_GMC_SRC_DATATYPE_COLOR |
3314 RADEON_ROP3_S |
3315 RADEON_DP_SRC_SOURCE_HOST_DATA |
3316 RADEON_GMC_CLR_CMP_CNTL_DIS |
3317 RADEON_GMC_WR_MSK_DIS |
3318 gmc);
3319
3320 PUT32(sc, RADEON_DP_CNTL,
3321 RADEON_DST_X_LEFT_TO_RIGHT |
3322 RADEON_DST_Y_TOP_TO_BOTTOM);
3323
3324 PUT32(sc, RADEON_SRC_X_Y, 0);
3325 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
3326 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
3327
3328 /*
3329 * we need the RGB colours here, so get offsets into rasops_cmap
3330 */
3331 fgo = ((attr >> 24) & 0xf) * 3;
3332 bgo = ((attr >> 16) & 0xf) * 3;
3333
3334 r0 = rasops_cmap[bgo];
3335 r1 = rasops_cmap[fgo];
3336 g0 = rasops_cmap[bgo + 1];
3337 g1 = rasops_cmap[fgo + 1];
3338 b0 = rasops_cmap[bgo + 2];
3339 b1 = rasops_cmap[fgo + 2];
3340 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
3341 bg8 = R3G3B2(r0, g0, b0);
3342 fg8 = R3G3B2(r1, g1, b1);
3343
3344 radeonfb_wait_fifo(sc, 20);
3345 cnt = 0;
3346 for (i = 0; i < ri->ri_fontscale; i++) {
3347 aval = *data8;
3348 if (aval == 0) {
3349 pixel = bg8;
3350 } else if (aval == 255) {
3351 pixel = fg8;
3352 } else {
3353 r = aval * r1 + (255 - aval) * r0;
3354 g = aval * g1 + (255 - aval) * g0;
3355 b = aval * b1 + (255 - aval) * b0;
3356 pixel = ((r & 0xe000) >> 8) |
3357 ((g & 0xe000) >> 11) |
3358 ((b & 0xc000) >> 14);
3359 }
3360 latch |= pixel << (8 * (i & 3));
3361 /* write in 32bit chunks */
3362 if ((i & 3) == 3) {
3363 PUT32(sc, RADEON_HOST_DATA0, latch);
3364 /*
3365 * not strictly necessary, old data should be shifted
3366 * out
3367 */
3368 latch = 0;
3369 cnt++;
3370 if (cnt > 16) {
3371 cnt = 0;
3372 radeonfb_wait_fifo(sc, 20);
3373 }
3374 }
3375 data8++;
3376 }
3377 /* if we have pixels left in latch write them out */
3378 if ((i & 3) != 0) {
3379 /*
3380 * radeon is weird - apparently leftover pixels are written
3381 * from the middle, not from the left as everything else
3382 */
3383 PUT32(sc, RADEON_HOST_DATA0, latch);
3384 }
3385
3386 if (rv == GC_ADD) {
3387 glyphcache_add(&dp->rd_gc, c, x, y);
3388 } else
3389 if (attr & 1)
3390 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
3391 }
3392
3393 /*
3394 * wrapper for software character drawing
3395 * just sync the engine and call rasops*_putchar()
3396 */
3397
3398 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
3399 static void
3400 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
3401 {
3402 struct rasops_info *ri = cookie;
3403 struct vcons_screen *scr = ri->ri_hw;
3404 struct radeonfb_display *dp = scr->scr_cookie;
3405
3406 radeonfb_engine_idle(dp->rd_softc);
3407 dp->rd_putchar(ri, row, col, c, attr);
3408 }
3409 #endif
3410
3411 static void
3412 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
3413 {
3414 struct rasops_info *ri = cookie;
3415 struct vcons_screen *scr = ri->ri_hw;
3416 struct radeonfb_display *dp = scr->scr_cookie;
3417 uint32_t x, y, w, h, fg, bg, ul;
3418
3419 /* XXX: check for full emulation mode? */
3420 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3421 x = ri->ri_xorigin;
3422 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3423 w = ri->ri_emuwidth;
3424 h = ri->ri_font->fontheight * nrows;
3425
3426 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3427 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3428 }
3429 }
3430
3431 static void
3432 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
3433 {
3434 struct rasops_info *ri = cookie;
3435 struct vcons_screen *scr = ri->ri_hw;
3436 struct radeonfb_display *dp = scr->scr_cookie;
3437 uint32_t x, ys, yd, w, h;
3438
3439 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3440 x = ri->ri_xorigin;
3441 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
3442 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
3443 w = ri->ri_emuwidth;
3444 h = ri->ri_font->fontheight * nrows;
3445 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
3446 RADEON_ROP3_S);
3447 }
3448 }
3449
3450 static void
3451 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
3452 {
3453 struct rasops_info *ri = cookie;
3454 struct vcons_screen *scr = ri->ri_hw;
3455 struct radeonfb_display *dp = scr->scr_cookie;
3456 uint32_t xs, xd, y, w, h;
3457
3458 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3459 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
3460 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
3461 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3462 w = ri->ri_font->fontwidth * ncols;
3463 h = ri->ri_font->fontheight;
3464 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
3465 RADEON_ROP3_S);
3466 }
3467 }
3468
3469 static void
3470 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
3471 long fillattr)
3472 {
3473 struct rasops_info *ri = cookie;
3474 struct vcons_screen *scr = ri->ri_hw;
3475 struct radeonfb_display *dp = scr->scr_cookie;
3476 uint32_t x, y, w, h, fg, bg, ul;
3477
3478 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3479 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
3480 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3481 w = ri->ri_font->fontwidth * ncols;
3482 h = ri->ri_font->fontheight;
3483
3484 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3485 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3486 }
3487 }
3488
3489 static void
3490 radeonfb_cursor(void *cookie, int on, int row, int col)
3491 {
3492 struct rasops_info *ri = cookie;
3493 struct vcons_screen *scr = ri->ri_hw;
3494 struct radeonfb_display *dp = scr->scr_cookie;
3495 int x, y, wi, he;
3496
3497 wi = ri->ri_font->fontwidth;
3498 he = ri->ri_font->fontheight;
3499
3500 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3501 x = ri->ri_ccol * wi + ri->ri_xorigin;
3502 y = ri->ri_crow * he + ri->ri_yorigin;
3503 /* first turn off the old cursor */
3504 if (ri->ri_flg & RI_CURSOR) {
3505 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3506 RADEON_ROP3_Dn);
3507 ri->ri_flg &= ~RI_CURSOR;
3508 }
3509 ri->ri_crow = row;
3510 ri->ri_ccol = col;
3511 /* then (possibly) turn on the new one */
3512 if (on) {
3513 x = ri->ri_ccol * wi + ri->ri_xorigin;
3514 y = ri->ri_crow * he + ri->ri_yorigin;
3515 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3516 RADEON_ROP3_Dn);
3517 ri->ri_flg |= RI_CURSOR;
3518 }
3519 } else {
3520 scr->scr_ri.ri_crow = row;
3521 scr->scr_ri.ri_ccol = col;
3522 scr->scr_ri.ri_flg &= ~RI_CURSOR;
3523 }
3524 }
3525
3526 /*
3527 * Underlying acceleration support.
3528 */
3529
3530 static void
3531 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
3532 int width, int height, uint32_t color)
3533 {
3534 struct radeonfb_softc *sc = dp->rd_softc;
3535 uint32_t gmc;
3536
3537 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3538
3539 radeonfb_wait_fifo(sc, 6);
3540
3541 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3542 RADEON_GMC_BRUSH_SOLID_COLOR |
3543 RADEON_GMC_SRC_DATATYPE_COLOR |
3544 RADEON_GMC_CLR_CMP_CNTL_DIS |
3545 RADEON_ROP3_P | gmc);
3546
3547 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
3548 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3549 PUT32(sc, RADEON_DP_CNTL,
3550 RADEON_DST_X_LEFT_TO_RIGHT |
3551 RADEON_DST_Y_TOP_TO_BOTTOM);
3552 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3553 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3554 }
3555
3556 static void
3557 radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
3558 int width, int height, long attr)
3559 {
3560 struct radeonfb_display *dp = cookie;
3561
3562 radeonfb_rectfill(dp, dstx, dsty, width, height,
3563 dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
3564 }
3565
3566 static void
3567 radeonfb_bitblt(void *cookie, int srcx, int srcy,
3568 int dstx, int dsty, int width, int height, int rop)
3569 {
3570 struct radeonfb_display *dp = cookie;
3571 struct radeonfb_softc *sc = dp->rd_softc;
3572 uint32_t gmc;
3573 uint32_t dir;
3574
3575 if (dsty < srcy) {
3576 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
3577 } else {
3578 srcy += height - 1;
3579 dsty += height - 1;
3580 dir = 0;
3581 }
3582 if (dstx < srcx) {
3583 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
3584 } else {
3585 srcx += width - 1;
3586 dstx += width - 1;
3587 }
3588
3589 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3590
3591 radeonfb_wait_fifo(sc, 6);
3592
3593 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3594 RADEON_GMC_BRUSH_NONE |
3595 RADEON_GMC_SRC_DATATYPE_COLOR |
3596 RADEON_GMC_CLR_CMP_CNTL_DIS |
3597 RADEON_DP_SRC_SOURCE_MEMORY |
3598 rop | gmc);
3599
3600 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3601 PUT32(sc, RADEON_DP_CNTL, dir);
3602 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
3603 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3604 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3605 }
3606
3607 static void
3608 radeonfb_engine_idle(struct radeonfb_softc *sc)
3609 {
3610
3611 radeonfb_wait_fifo(sc, 64);
3612 while ((GET32(sc, RADEON_RBBM_STATUS) &
3613 RADEON_RBBM_ACTIVE) != 0);
3614 radeonfb_engine_flush(sc);
3615 }
3616
3617 static inline void
3618 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
3619 {
3620 int i;
3621
3622 for (i = RADEON_TIMEOUT; i; i--) {
3623 if ((GET32(sc, RADEON_RBBM_STATUS) &
3624 RADEON_RBBM_FIFOCNT_MASK) >= n)
3625 return;
3626 }
3627 #ifdef RADEONFB_DEBUG
3628 if (!i)
3629 printf("%s: timed out waiting for fifo (%x)\n",
3630 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3631 #endif
3632 }
3633
3634 static void
3635 radeonfb_engine_flush(struct radeonfb_softc *sc)
3636 {
3637 int i = 0;
3638
3639 if (IS_R300(sc) || IS_AVIVO(sc)) {
3640 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3641 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3642 i++;
3643 }
3644 } else {
3645 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3646 RADEON_RB2D_DC_FLUSH_ALL);
3647 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3648 RADEON_RB2D_DC_BUSY) {
3649 i++;
3650 }
3651 }
3652 #ifdef DIAGNOSTIC
3653 if (i > RADEON_TIMEOUT)
3654 printf("%s: engine flush timed out!\n", XNAME(sc));
3655 #endif
3656 }
3657
3658 static inline void
3659 radeonfb_unclip(struct radeonfb_softc *sc)
3660 {
3661
3662 radeonfb_wait_fifo(sc, 2);
3663 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3664 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3665 }
3666
3667 static void
3668 radeonfb_engine_init(struct radeonfb_display *dp)
3669 {
3670 struct radeonfb_softc *sc = dp->rd_softc;
3671 uint32_t pitch;
3672
3673 /* no 3D */
3674 PUT32(sc, RADEON_RB3D_CNTL, 0);
3675
3676 if (IS_AVIVO(sc)) {
3677
3678 #if 0
3679 /* XXX the xf86-video-radeon does this, causes lockups here */
3680 psel = GET32(sc, R400_GB_PIPE_SELECT);
3681 PRINTREG(R400_GB_PIPE_SELECT);
3682 DPRINTF(("PLL %08x %08x\n", GETPLL(sc, R500_DYN_SCLK_PWMEM_PIPE),
3683 (1 | ((psel >> 8) & 0xf) << 4)));
3684 PUTPLL(sc, R500_DYN_SCLK_PWMEM_PIPE, (1 | ((psel >> 8) & 0xf) << 4));
3685 #endif
3686 SET32(sc, RADEON_WAIT_UNTIL, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
3687 SET32(sc, R300_DST_PIPE_CONFIG, R300_PIPE_AUTO_CONFIG);
3688 SET32(sc, R300_RB2D_DSTCACHE_MODE, R300_DC_AUTOFLUSH_ENABLE |
3689 R300_DC_DC_DISABLE_IGNORE_PE);
3690 }
3691
3692 PRINTREG(RADEON_RB3D_CNTL);
3693 PRINTREG(RADEON_DP_GUI_MASTER_CNTL);
3694 PRINTREG(RADEON_RBBM_STATUS);
3695
3696 radeonfb_engine_reset(sc);
3697 PRINTREG(RADEON_RBBM_STATUS);
3698
3699 /*
3700 * Apple OF hands us some radeons with tiling enabled - explicitly
3701 * disable it here
3702 */
3703 PUT32(sc, RADEON_SURFACE_CNTL, RADEON_SURF_TRANSLATION_DIS);
3704
3705 radeonfb_wait_fifo(sc, 1);
3706 if (!IS_R300(sc) && !IS_AVIVO(sc))
3707 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3708
3709 radeonfb_wait_fifo(sc, 3);
3710
3711 /*
3712 * XXX
3713 * I strongly suspect this works mostly by accident on !AVIVO
3714 * AVIVO uses all 22 bits for the framebuffer offset, so it can
3715 * address up to 4GB. Older chips probably use bits 20-22 for other
3716 * things and we just so happen to set the right ones by having our
3717 * PCI/AGP space above 0x80000000.
3718 * Either way, r5xx does not work if we set these bits, while older
3719 * chips don't work without.
3720 */
3721 pitch = (dp->rd_stride + 0x3f) >> 6;
3722 if (IS_AVIVO(sc)) {
3723 pitch = pitch << 22;
3724 } else
3725 pitch = (pitch << 22) | (sc->sc_aperbase >> 10);
3726
3727 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET, pitch);
3728 PUT32(sc, RADEON_DST_PITCH_OFFSET, pitch);
3729 PUT32(sc, RADEON_SRC_PITCH_OFFSET, pitch);
3730
3731 (void)GET32(sc, RADEON_DP_DATATYPE);
3732
3733 /* default scissors -- no clipping */
3734 radeonfb_wait_fifo(sc, 1);
3735 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3736 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3737
3738 radeonfb_wait_fifo(sc, 1);
3739 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3740 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3741 RADEON_GMC_CLR_CMP_CNTL_DIS |
3742 RADEON_GMC_BRUSH_SOLID_COLOR |
3743 RADEON_GMC_SRC_DATATYPE_COLOR);
3744
3745 radeonfb_wait_fifo(sc, 10);
3746 PUT32(sc, RADEON_DST_LINE_START, 0);
3747 PUT32(sc, RADEON_DST_LINE_END, 0);
3748 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3749 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3750 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3751 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3752 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3753 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3754 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3755 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3756 radeonfb_engine_idle(sc);
3757 }
3758
3759 static void
3760 radeonfb_engine_reset(struct radeonfb_softc *sc)
3761 {
3762 uint32_t hpc, rbbm, mclkcntl, clkindex;
3763
3764 radeonfb_engine_flush(sc);
3765
3766 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3767 if (HAS_R300CG(sc))
3768 radeonfb_r300cg_workaround(sc);
3769 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3770
3771 /*
3772 * According to comments in XFree code, resetting the HDP via
3773 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3774 * So we use HOST_PATH_CNTL instead.
3775 */
3776
3777 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3778 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3779 if (IS_R300(sc) || IS_AVIVO(sc)) {
3780 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3781 RADEON_SOFT_RESET_CP |
3782 RADEON_SOFT_RESET_HI |
3783 RADEON_SOFT_RESET_E2);
3784 GET32(sc, RADEON_RBBM_SOFT_RESET);
3785 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3786 /*
3787 * XXX: this bit is not defined in any ATI docs I have,
3788 * nor in the XFree code, but XFree does it. Why?
3789 */
3790 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, R300_DC_DC_DISABLE_IGNORE_PE);
3791 } else {
3792 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3793 RADEON_SOFT_RESET_CP |
3794 RADEON_SOFT_RESET_SE |
3795 RADEON_SOFT_RESET_RE |
3796 RADEON_SOFT_RESET_PP |
3797 RADEON_SOFT_RESET_E2 |
3798 RADEON_SOFT_RESET_RB);
3799 GET32(sc, RADEON_RBBM_SOFT_RESET);
3800 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3801 ~(RADEON_SOFT_RESET_CP |
3802 RADEON_SOFT_RESET_SE |
3803 RADEON_SOFT_RESET_RE |
3804 RADEON_SOFT_RESET_PP |
3805 RADEON_SOFT_RESET_E2 |
3806 RADEON_SOFT_RESET_RB));
3807 GET32(sc, RADEON_RBBM_SOFT_RESET);
3808 }
3809
3810 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3811 GET32(sc, RADEON_HOST_PATH_CNTL);
3812 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3813
3814 if (!IS_R300(sc) && !IS_AVIVO(sc))
3815 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3816
3817 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3818 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
3819 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3820
3821 if (HAS_R300CG(sc))
3822 radeonfb_r300cg_workaround(sc);
3823 }
3824
3825 static int
3826 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3827 {
3828 int x, y;
3829
3830 x = pos->x;
3831 y = pos->y;
3832
3833 /*
3834 * This doesn't let a cursor move off the screen. I'm not
3835 * sure if this will have negative effects for e.g. Xinerama.
3836 * I'd guess Xinerama handles it by changing the cursor shape,
3837 * but that needs verification.
3838 */
3839 if (x >= dp->rd_virtx)
3840 x = dp->rd_virtx - 1;
3841 if (x < 0)
3842 x = 0;
3843 if (y >= dp->rd_virty)
3844 y = dp->rd_virty - 1;
3845 if (y < 0)
3846 y = 0;
3847
3848 dp->rd_cursor.rc_pos.x = x;
3849 dp->rd_cursor.rc_pos.y = y;
3850
3851 radeonfb_cursor_position(dp);
3852 return 0;
3853 }
3854
3855 static int
3856 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3857 {
3858 unsigned flags;
3859
3860 uint8_t r[2], g[2], b[2];
3861 unsigned index, count;
3862 int i, err;
3863 int pitch, size;
3864 struct radeonfb_cursor *nc = &dp->rd_tempcursor;
3865
3866 flags = wc->which;
3867
3868 /* copy old values */
3869 memcpy(nc, &dp->rd_cursor, sizeof(struct radeonfb_cursor));
3870
3871 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3872 index = wc->cmap.index;
3873 count = wc->cmap.count;
3874
3875 if (index >= 2 || count > 2 - index)
3876 return EINVAL;
3877
3878 err = copyin(wc->cmap.red, &r[index], count);
3879 if (err)
3880 return err;
3881 err = copyin(wc->cmap.green, &g[index], count);
3882 if (err)
3883 return err;
3884 err = copyin(wc->cmap.blue, &b[index], count);
3885 if (err)
3886 return err;
3887
3888 for (i = index; i < index + count; i++) {
3889 nc->rc_cmap[i] =
3890 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3891 }
3892 }
3893
3894 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3895 if ((wc->size.x > RADEON_CURSORMAXX) ||
3896 (wc->size.y > RADEON_CURSORMAXY))
3897 return EINVAL;
3898
3899 /* figure bytes per line */
3900 pitch = (wc->size.x + 7) / 8;
3901 size = pitch * wc->size.y;
3902
3903 /* clear the old cursor and mask */
3904 memset(nc->rc_image, 0, 512);
3905 memset(nc->rc_mask, 0, 512);
3906
3907 nc->rc_size = wc->size;
3908
3909 if ((err = copyin(wc->image, nc->rc_image, size)) != 0)
3910 return err;
3911
3912 if ((err = copyin(wc->mask, nc->rc_mask, size)) != 0)
3913 return err;
3914 }
3915
3916 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3917 nc->rc_hot = wc->hot;
3918 if (nc->rc_hot.x >= nc->rc_size.x)
3919 nc->rc_hot.x = nc->rc_size.x - 1;
3920 if (nc->rc_hot.y >= nc->rc_size.y)
3921 nc->rc_hot.y = nc->rc_size.y - 1;
3922 }
3923
3924 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3925 nc->rc_pos = wc->pos;
3926 if (nc->rc_pos.x >= dp->rd_virtx)
3927 nc->rc_pos.x = dp->rd_virtx - 1;
3928 #if 0
3929 if (nc->rc_pos.x < 0)
3930 nc->rc_pos.x = 0;
3931 #endif
3932 if (nc->rc_pos.y >= dp->rd_virty)
3933 nc->rc_pos.y = dp->rd_virty - 1;
3934 #if 0
3935 if (nc->rc_pos.y < 0)
3936 nc->rc_pos.y = 0;
3937 #endif
3938 }
3939 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3940 nc->rc_visible = wc->enable;
3941 }
3942
3943 memcpy(&dp->rd_cursor, nc, sizeof(struct radeonfb_cursor));
3944 radeonfb_cursor_update(dp, wc->which);
3945
3946 return 0;
3947 }
3948
3949 static uint8_t
3950 radeonfb_backwards(uint8_t d)
3951 {
3952 uint8_t l;
3953
3954 l = d << 7;
3955 l |= ((d & 0x02) << 5);
3956 l |= ((d & 0x04) << 3);
3957 l |= ((d & 0x08) << 1);
3958 l |= ((d & 0x10) >> 1);
3959 l |= ((d & 0x20) >> 3);
3960 l |= ((d & 0x40) >> 5);
3961 l |= ((d & 0x80) >> 7);
3962 return l;
3963 }
3964
3965 /*
3966 * Change the cursor shape. Call this with the cursor locked to avoid
3967 * flickering/tearing.
3968 */
3969 static void
3970 radeonfb_cursor_shape(struct radeonfb_display *dp)
3971 {
3972 uint8_t and[512], xor[512];
3973 int i, j, src, dst /* , pitch */;
3974 const uint8_t *msk = dp->rd_cursor.rc_mask;
3975 const uint8_t *img = dp->rd_cursor.rc_image;
3976
3977 /*
3978 * Radeon cursor data interleaves one line of AND data followed
3979 * by a line of XOR data. (Each line corresponds to a whole hardware
3980 * pitch - i.e. 64 pixels or 8 bytes.)
3981 *
3982 * The cursor is displayed using the following table:
3983 *
3984 * AND XOR Result
3985 * ----------------------
3986 * 0 0 Cursor color 0
3987 * 0 1 Cursor color 1
3988 * 1 0 Transparent
3989 * 1 1 Complement of background
3990 *
3991 * Our masks are therefore different from what we were passed.
3992 * Passed in, I'm assuming the data represents either color 0 or 1,
3993 * and a mask, so the passed in table looks like:
3994 *
3995 * IMG Mask Result
3996 * -----------------------
3997 * 0 0 Transparent
3998 * 0 1 Cursor color 0
3999 * 1 0 Transparent
4000 * 1 1 Cursor color 1
4001 *
4002 * IF mask bit == 1, AND = 0, XOR = color.
4003 * IF mask bit == 0, AND = 1, XOR = 0.
4004 *
4005 * hence: AND = ~(mask); XOR = color & ~(mask);
4006 */
4007
4008 /* pitch = ((dp->rd_cursor.rc_size.x + 7) / 8); */
4009
4010 /* start by assuming all bits are transparent */
4011 memset(and, 0xff, 512);
4012 memset(xor, 0x00, 512);
4013
4014 src = 0;
4015 dst = 0;
4016 for (i = 0; i < 64; i++) {
4017 for (j = 0; j < 64; j += 8) {
4018 if ((i < dp->rd_cursor.rc_size.y) &&
4019 (j < dp->rd_cursor.rc_size.x)) {
4020
4021 /* take care to leave odd bits alone */
4022 and[dst] &= ~(msk[src]);
4023 xor[dst] = img[src] & msk[src];
4024 src++;
4025 }
4026 dst++;
4027 }
4028 }
4029
4030 for (i = 0; i < 512; i++) {
4031 and[i] = radeonfb_backwards(and[i]);
4032 xor[i] = radeonfb_backwards(xor[i]);
4033 }
4034
4035 /* copy the image into place */
4036 for (i = 0; i < 64; i++) {
4037 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
4038 &and[i * 8], 8);
4039 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
4040 &xor[i * 8], 8);
4041 }
4042 }
4043
4044 /*
4045 * We use the cursor in 24bit mode on avivo, much simpler than the above.
4046 * Should probably do the same on older radeons
4047 */
4048 static void
4049 radeonfb_avivo_cursor_shape(struct radeonfb_display *dp)
4050 {
4051 const uint8_t *msk = dp->rd_cursor.rc_mask;
4052 const uint8_t *img = dp->rd_cursor.rc_image;
4053 uint32_t *out = (uint32_t *)dp->rd_curptr;
4054 uint8_t bit;
4055 int i, j, px;
4056
4057 for (i = 0; i < 64 * 8; i++) {
4058 bit = 0x01;
4059 for (j = 0; j < 8; j++) {
4060 px = ((*msk & bit) ? 2 : 0) | ((*img & bit) ? 1 : 0);
4061 switch (px) {
4062 case 0:
4063 case 1:
4064 *out = htole32(0x00000000);
4065 break;
4066 case 2:
4067 *out = htole32(0xff000000 |
4068 dp->rd_cursor.rc_cmap[0]);
4069 break;
4070 case 3:
4071 *out = htole32(0xff000000 |
4072 dp->rd_cursor.rc_cmap[1]);
4073 break;
4074 }
4075 out++;
4076 bit = bit << 1;
4077 }
4078 msk++;
4079 img++;
4080 }
4081 }
4082
4083 static void
4084 radeonfb_cursor_position(struct radeonfb_display *dp)
4085 {
4086 struct radeonfb_softc *sc = dp->rd_softc;
4087 uint32_t offset, hvoff, hvpos; /* registers */
4088 uint32_t coff; /* cursor offset */
4089 int i, x, y, xoff, yoff, crtcoff, lock;
4090
4091 /*
4092 * XXX: this also needs to handle pan/scan
4093 */
4094 for (i = 0; i < dp->rd_ncrtcs; i++) {
4095
4096 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
4097
4098 SET32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
4099 PUT32(sc, AVIVO_D1CUR_SIZE, 0x003f003f);
4100 if (IS_AVIVO(sc)) {
4101 if (rcp->rc_number) {
4102 offset = AVIVO_D2CUR_SURFACE_ADDRESS;
4103 hvoff = AVIVO_D2CUR_HOT_SPOT;
4104 hvpos = AVIVO_D2CUR_POSITION;
4105 crtcoff = 0/*RADEON_CRTC_OFFSET*/;
4106 } else {
4107 offset = AVIVO_D1CUR_SURFACE_ADDRESS;
4108 hvoff = AVIVO_D1CUR_HOT_SPOT;
4109 hvpos = AVIVO_D1CUR_POSITION;
4110 crtcoff = 0/*RADEON_CRTC_OFFSET*/;
4111 }
4112 lock = 0;
4113 } else {
4114 if (rcp->rc_number) {
4115 offset = RADEON_CUR2_OFFSET;
4116 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
4117 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
4118 crtcoff = RADEON_CRTC2_OFFSET;
4119 } else {
4120 offset = RADEON_CUR_OFFSET;
4121 hvoff = RADEON_CUR_HORZ_VERT_OFF;
4122 hvpos = RADEON_CUR_HORZ_VERT_POSN;
4123 crtcoff = RADEON_CRTC_OFFSET;
4124 }
4125 lock = RADEON_CUR_LOCK;
4126 }
4127
4128 x = dp->rd_cursor.rc_pos.x;
4129 y = dp->rd_cursor.rc_pos.y;
4130
4131 while (y < rcp->rc_yoffset) {
4132 rcp->rc_yoffset -= RADEON_PANINCREMENT;
4133 }
4134 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
4135 rcp->rc_yoffset += RADEON_PANINCREMENT;
4136 }
4137 while (x < rcp->rc_xoffset) {
4138 rcp->rc_xoffset -= RADEON_PANINCREMENT;
4139 }
4140 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
4141 rcp->rc_xoffset += RADEON_PANINCREMENT;
4142 }
4143
4144 /* adjust for the cursor's hotspot */
4145 x -= dp->rd_cursor.rc_hot.x;
4146 y -= dp->rd_cursor.rc_hot.y;
4147 xoff = yoff = 0;
4148
4149 if (x >= dp->rd_virtx)
4150 x = dp->rd_virtx - 1;
4151 if (y >= dp->rd_virty)
4152 y = dp->rd_virty - 1;
4153
4154 /* now adjust cursor so it is relative to viewport */
4155 x -= rcp->rc_xoffset;
4156 y -= rcp->rc_yoffset;
4157
4158 /*
4159 * no need to check for fall off, because we should
4160 * never move off the screen entirely!
4161 */
4162 coff = 0;
4163 if (x < 0) {
4164 xoff = -x;
4165 x = 0;
4166 }
4167 if (y < 0) {
4168 yoff = -y;
4169 y = 0;
4170 coff = (yoff * 2) * 8;
4171 }
4172
4173 /* pan the display */
4174 if (crtcoff != 0)
4175 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
4176 rcp->rc_xoffset);
4177
4178 PUT32(sc, offset, (dp->rd_curoff + coff) | lock);
4179 PUT32(sc, hvoff, (xoff << 16) | (yoff) | lock);
4180 /* NB: this unlocks the cursor */
4181 PUT32(sc, hvpos, (x << 16) | y);
4182 if (IS_AVIVO(sc))
4183 CLR32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
4184 }
4185 }
4186
4187 static void
4188 radeonfb_cursor_visible(struct radeonfb_display *dp)
4189 {
4190 struct radeonfb_softc *sc = dp->rd_softc;
4191 int i;
4192 uint32_t gencntl, bit;
4193
4194 for (i = 0; i < dp->rd_ncrtcs; i++) {
4195 if (IS_AVIVO(sc)) {
4196 SET32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
4197 if (dp->rd_crtcs[i].rc_number) {
4198 gencntl = AVIVO_D2CUR_CONTROL;
4199 bit = AVIVO_D1CURSOR_EN | (2 << 8);
4200 } else {
4201 gencntl = AVIVO_D1CUR_CONTROL;
4202 bit = AVIVO_D1CURSOR_EN | (2 << 8);
4203 }
4204 } else {
4205 if (dp->rd_crtcs[i].rc_number) {
4206 gencntl = RADEON_CRTC2_GEN_CNTL;
4207 bit = RADEON_CRTC2_CUR_EN;
4208 } else {
4209 gencntl = RADEON_CRTC_GEN_CNTL;
4210 bit = RADEON_CRTC_CUR_EN;
4211 }
4212 }
4213 if (dp->rd_cursor.rc_visible)
4214 SET32(dp->rd_softc, gencntl, bit);
4215 else
4216 CLR32(dp->rd_softc, gencntl, bit);
4217 if (IS_AVIVO(sc))
4218 CLR32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
4219
4220 }
4221 }
4222
4223 static void
4224 radeonfb_cursor_cmap(struct radeonfb_display *dp)
4225 {
4226 int i;
4227 uint32_t c0reg, c1reg;
4228 struct radeonfb_softc *sc = dp->rd_softc;
4229
4230 for (i = 0; i < dp->rd_ncrtcs; i++) {
4231 if (dp->rd_crtcs[i].rc_number) {
4232 c0reg = RADEON_CUR2_CLR0;
4233 c1reg = RADEON_CUR2_CLR1;
4234 } else {
4235 c0reg = RADEON_CUR_CLR0;
4236 c1reg = RADEON_CUR_CLR1;
4237 }
4238
4239 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
4240 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
4241 }
4242 }
4243
4244 static void
4245 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
4246 {
4247 struct radeonfb_softc *sc;
4248 int i;
4249
4250 sc = dp->rd_softc;
4251
4252 for (i = 0; i < dp->rd_ncrtcs; i++) {
4253 if (dp->rd_crtcs[i].rc_number) {
4254 if (IS_AVIVO(sc)) {
4255 SET32(sc, AVIVO_D2CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
4256 } else
4257 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
4258 } else {
4259 if (IS_AVIVO(sc)) {
4260 SET32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
4261 } else
4262 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
4263 }
4264 }
4265
4266 if (which & WSDISPLAY_CURSOR_DOCMAP) {
4267 if (IS_AVIVO(sc)) {
4268 /*
4269 * we use an ARGB cursor here, so we need to rebuild
4270 * the cursor image every time the palette changes
4271 */
4272 radeonfb_avivo_cursor_shape(dp);
4273 } else
4274 radeonfb_cursor_cmap(dp);
4275 }
4276
4277 if (which & WSDISPLAY_CURSOR_DOSHAPE) {
4278 if (IS_AVIVO(sc)) {
4279 radeonfb_avivo_cursor_shape(dp);
4280 } else
4281 radeonfb_cursor_shape(dp);
4282 }
4283
4284 if (which & WSDISPLAY_CURSOR_DOCUR)
4285 radeonfb_cursor_visible(dp);
4286
4287 /* this one is unconditional, because it updates other stuff */
4288 radeonfb_cursor_position(dp);
4289 }
4290
4291 static struct videomode *
4292 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
4293 {
4294 int r1, r2;
4295
4296 /* otherwise pick the higher refresh rate */
4297 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
4298 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
4299
4300 return (r1 < r2 ? m2 : m1);
4301 }
4302
4303 static const struct videomode *
4304 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
4305 int x, int y)
4306 {
4307 struct edid_info *ep = &rp->rp_edid;
4308 struct videomode *vmp = NULL;
4309 int i;
4310
4311 if (!rp->rp_edid_valid) {
4312 /* fallback to safe mode */
4313 return radeonfb_modelookup(sc->sc_defaultmode);
4314 }
4315
4316 /* always choose the preferred mode first! */
4317 if (ep->edid_preferred_mode) {
4318
4319 /* XXX: add auto-stretching support for native mode */
4320
4321 /* this may want panning to occur, btw */
4322 if ((ep->edid_preferred_mode->hdisplay <= x) &&
4323 (ep->edid_preferred_mode->vdisplay <= y))
4324 return ep->edid_preferred_mode;
4325 }
4326
4327 for (i = 0; i < ep->edid_nmodes; i++) {
4328 /*
4329 * We elect to pick a resolution that is too large for
4330 * the monitor than one that is too small. This means
4331 * that we will prefer to pan rather than to try to
4332 * center a smaller display on a larger screen. In
4333 * practice, this shouldn't matter because if a
4334 * monitor can support a larger resolution, it can
4335 * probably also support the smaller. A specific
4336 * exception is fixed format panels, but hopefully
4337 * they are properly dealt with by the "autostretch"
4338 * logic above.
4339 */
4340 if ((ep->edid_modes[i].hdisplay > x) ||
4341 (ep->edid_modes[i].vdisplay > y)) {
4342 continue;
4343 }
4344
4345 /*
4346 * at this point, the display mode is no larger than
4347 * what we've requested.
4348 */
4349 if (vmp == NULL)
4350 vmp = &ep->edid_modes[i];
4351
4352 /* eliminate smaller modes */
4353 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
4354 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
4355 continue;
4356
4357 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
4358 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
4359 vmp = &ep->edid_modes[i];
4360 continue;
4361 }
4362
4363 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
4364 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
4365
4366 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
4367 }
4368
4369 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
4370 }
4371
4372 static int
4373 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
4374 {
4375 int i;
4376
4377 for (i = 0; i < nlist; i++) {
4378 if ((x == list[i].hdisplay) &&
4379 (y == list[i].vdisplay)) {
4380 return 1;
4381 }
4382 }
4383 return 0;
4384 }
4385
4386 static void
4387 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
4388 int pan)
4389 {
4390 struct radeonfb_port *rp;
4391 struct edid_info *ep;
4392 int i, j;
4393
4394 *x = 0;
4395 *y = 0;
4396
4397 if (pan) {
4398 for (i = 0; i < dp->rd_ncrtcs; i++) {
4399 rp = dp->rd_crtcs[i].rc_port;
4400 ep = &rp->rp_edid;
4401 if (!rp->rp_edid_valid) {
4402 /* monitor not present */
4403 continue;
4404 }
4405
4406 /*
4407 * For now we are ignoring "conflict" that
4408 * could occur when mixing some modes like
4409 * 1280x1024 and 1400x800. It isn't clear
4410 * which is better, so the first one wins.
4411 */
4412 for (j = 0; j < ep->edid_nmodes; j++) {
4413 /*
4414 * ignore resolutions that are too big for
4415 * the radeon
4416 */
4417 if (ep->edid_modes[j].hdisplay >
4418 dp->rd_softc->sc_maxx)
4419 continue;
4420 if (ep->edid_modes[j].vdisplay >
4421 dp->rd_softc->sc_maxy)
4422 continue;
4423
4424 /*
4425 * pick largest resolution, the
4426 * smaller monitor will pan
4427 */
4428 if ((ep->edid_modes[j].hdisplay >= *x) &&
4429 (ep->edid_modes[j].vdisplay >= *y)) {
4430 *x = ep->edid_modes[j].hdisplay;
4431 *y = ep->edid_modes[j].vdisplay;
4432 }
4433 }
4434 }
4435
4436 } else {
4437 struct videomode *modes;
4438 size_t smodes;
4439 int nmodes = 0;
4440 int valid = 0;
4441
4442 smodes = sizeof(struct videomode) * 64;
4443 modes = kmem_alloc(smodes, KM_SLEEP);
4444
4445 for (i = 0; i < dp->rd_ncrtcs; i++) {
4446 /*
4447 * pick the largest resolution in common.
4448 */
4449 rp = dp->rd_crtcs[i].rc_port;
4450 ep = &rp->rp_edid;
4451
4452 if (!rp->rp_edid_valid)
4453 continue;
4454
4455 if (!valid) {
4456 /*
4457 * Pick the preferred mode for this port
4458 * if available.
4459 */
4460 if (ep->edid_preferred_mode) {
4461 struct videomode *vmp =
4462 ep->edid_preferred_mode;
4463
4464 if ((vmp->hdisplay <=
4465 dp->rd_softc->sc_maxx) &&
4466 (vmp->vdisplay <=
4467 dp->rd_softc->sc_maxy))
4468 modes[nmodes++] = *vmp;
4469 } else {
4470
4471 /* initialize starting list */
4472 for (j = 0; j < ep->edid_nmodes; j++) {
4473 /*
4474 * ignore resolutions that are
4475 * too big for the radeon
4476 */
4477 if (ep->edid_modes[j].hdisplay >
4478 dp->rd_softc->sc_maxx)
4479 continue;
4480 if (ep->edid_modes[j].vdisplay >
4481 dp->rd_softc->sc_maxy)
4482 continue;
4483
4484 modes[nmodes] =
4485 ep->edid_modes[j];
4486 nmodes++;
4487 }
4488 }
4489 valid = 1;
4490 } else {
4491 /* merge into preexisting list */
4492 for (j = 0; j < nmodes; j++) {
4493 if (!radeonfb_hasres(ep->edid_modes,
4494 ep->edid_nmodes,
4495 modes[j].hdisplay,
4496 modes[j].vdisplay)) {
4497 modes[j] = modes[nmodes];
4498 j--;
4499 nmodes--;
4500 }
4501 }
4502 }
4503 }
4504
4505 /* now we have to pick from the merged list */
4506 for (i = 0; i < nmodes; i++) {
4507 if ((modes[i].hdisplay >= *x) &&
4508 (modes[i].vdisplay >= *y)) {
4509 *x = modes[i].hdisplay;
4510 *y = modes[i].vdisplay;
4511 }
4512 }
4513 kmem_free(modes, smodes);
4514
4515 }
4516
4517 if ((*x == 0) || (*y == 0)) {
4518 /* fallback to safe mode */
4519 *x = 640;
4520 *y = 480;
4521 }
4522 }
4523
4524 /*
4525 * backlight levels are linear on:
4526 * - RV200, RV250, RV280, RV350
4527 * - but NOT on PowerBook4,3 6,3 6,5
4528 * according to Linux' radeonfb
4529 */
4530
4531 /* Get the current backlight level for the display. */
4532
4533 static int
4534 radeonfb_get_backlight(struct radeonfb_display *dp)
4535 {
4536 int s;
4537 uint32_t level;
4538
4539 s = spltty();
4540
4541 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
4542 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
4543 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
4544
4545 /*
4546 * On some chips, we should negate the backlight level.
4547 * XXX Find out on which chips.
4548 */
4549 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
4550 level = RADEONFB_BACKLIGHT_MAX - level;
4551
4552 splx(s);
4553
4554 return level;
4555 }
4556
4557 /* Set the backlight to the given level for the display. */
4558 static void
4559 radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
4560 {
4561 if (dp->rd_bl_on == on)
4562 return;
4563 dp->rd_bl_on = on;
4564 radeonfb_set_backlight(dp, dp->rd_bl_level);
4565 }
4566
4567 static int
4568 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
4569 {
4570 struct radeonfb_softc *sc = dp->rd_softc;
4571 int rlevel, s;
4572 uint32_t lvds;
4573
4574 if(!sc->sc_mapped)
4575 return 0;
4576
4577 s = spltty();
4578
4579 dp->rd_bl_level = level;
4580 if (dp->rd_bl_on == 0)
4581 level = 0;
4582
4583 if (level < 0)
4584 level = 0;
4585 else if (level >= RADEONFB_BACKLIGHT_MAX)
4586 level = RADEONFB_BACKLIGHT_MAX;
4587
4588 /* On some chips, we should negate the backlight level. */
4589 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
4590 rlevel = RADEONFB_BACKLIGHT_MAX - level;
4591 } else
4592 rlevel = level;
4593
4594 callout_stop(&dp->rd_bl_lvds_co);
4595 //radeonfb_engine_idle(sc);
4596
4597 /*
4598 * Turn off the display if the backlight is set to 0, since the
4599 * display is useless without backlight anyway.
4600 */
4601 if (level == 0)
4602 radeonfb_blank(dp, 1);
4603 else if (radeonfb_get_backlight(dp) == 0)
4604 radeonfb_blank(dp, 0);
4605
4606 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
4607 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
4608 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
4609 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
4610 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
4611 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4612 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4613 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4614 lvds |= RADEON_LVDS_ON;
4615 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
4616 } else {
4617 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4618 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4619 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4620 }
4621
4622 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
4623 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
4624 /* XXX What is the correct delay? */
4625 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
4626
4627 splx(s);
4628
4629 return 0;
4630 }
4631
4632 /*
4633 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
4634 * Set the delayed bits in the register, and clear the stored delayed
4635 * value.
4636 */
4637
4638 static void radeonfb_lvds_callout(void *arg)
4639 {
4640 struct radeonfb_display *dp = arg;
4641 int s;
4642
4643 s = splhigh();
4644
4645 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
4646 dp->rd_bl_lvds_val);
4647 dp->rd_bl_lvds_val = 0;
4648
4649 splx(s);
4650 }
4651
4652 static void
4653 radeonfb_brightness_up(device_t dev)
4654 {
4655 struct radeonfb_softc *sc = device_private(dev);
4656 struct radeonfb_display *dp = &sc->sc_displays[0];
4657 int level;
4658
4659 /* we assume the main display is the first one - need a better way */
4660 if (sc->sc_ndisplays < 1) return;
4661 /* make sure pushing the hotkeys always has an effect */
4662 dp->rd_bl_on = 1;
4663 level = dp->rd_bl_level;
4664 level = uimin(RADEONFB_BACKLIGHT_MAX, level + 5);
4665 radeonfb_set_backlight(dp, level);
4666 }
4667
4668 static void
4669 radeonfb_brightness_down(device_t dev)
4670 {
4671 struct radeonfb_softc *sc = device_private(dev);
4672 struct radeonfb_display *dp = &sc->sc_displays[0];
4673 int level;
4674
4675 /* we assume the main display is the first one - need a better way */
4676 if (sc->sc_ndisplays < 1) return;
4677 /* make sure pushing the hotkeys always has an effect */
4678 dp->rd_bl_on = 1;
4679 level = dp->rd_bl_level;
4680 level = uimax(0, level - 5);
4681 radeonfb_set_backlight(dp, level);
4682 }
4683