radeonfb.c revision 1.34.2.3 1 /* $NetBSD: radeonfb.c,v 1.34.2.3 2010/11/06 08:08:31 uebayasi 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 1.34.2.3 2010/11/06 08:08:31 uebayasi Exp $");
74
75 #define RADEONFB_DEFAULT_DEPTH 8
76
77 #include <sys/param.h>
78 #include <sys/systm.h>
79 #include <sys/device.h>
80 #include <sys/malloc.h>
81 #include <sys/bus.h>
82 #include <sys/kernel.h>
83 #include <sys/lwp.h>
84 #include <sys/kauth.h>
85
86 #include <dev/wscons/wsdisplayvar.h>
87 #include <dev/wscons/wsconsio.h>
88 #include <dev/wsfont/wsfont.h>
89 #include <dev/rasops/rasops.h>
90 #include <dev/videomode/videomode.h>
91 #include <dev/videomode/edidvar.h>
92 #include <dev/wscons/wsdisplay_vconsvar.h>
93
94 #include <dev/pci/pcidevs.h>
95 #include <dev/pci/pcireg.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/pciio.h>
98 #include <dev/pci/radeonfbreg.h>
99 #include <dev/pci/radeonfbvar.h>
100 #include "opt_radeonfb.h"
101
102 static int radeonfb_match(device_t, cfdata_t, void *);
103 static void radeonfb_attach(device_t, device_t, void *);
104 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
105 struct lwp *);
106 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
107 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
108 static void radeonfb_loadbios(struct radeonfb_softc *,
109 struct pci_attach_args *);
110
111 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
112 uintmax_t);
113 static int radeonfb_getclocks(struct radeonfb_softc *);
114 static int radeonfb_gettmds(struct radeonfb_softc *);
115 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
116 uint32_t *, uint32_t *);
117 static int radeonfb_getconnectors(struct radeonfb_softc *);
118 static const struct videomode *radeonfb_modelookup(const char *);
119 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
120 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
121 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
122 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
123 static void radeonfb_modeswitch(struct radeonfb_display *);
124 static void radeonfb_setcrtc(struct radeonfb_display *, int);
125 static void radeonfb_init_misc(struct radeonfb_softc *);
126 static void radeonfb_set_fbloc(struct radeonfb_softc *);
127 static void radeonfb_init_palette(struct radeonfb_softc *, int);
128 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
129
130 static int radeonfb_isblank(struct radeonfb_display *);
131 static void radeonfb_blank(struct radeonfb_display *, int);
132 static int radeonfb_set_cursor(struct radeonfb_display *,
133 struct wsdisplay_cursor *);
134 static int radeonfb_set_curpos(struct radeonfb_display *,
135 struct wsdisplay_curpos *);
136
137 /* acceleration support */
138 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
139 int width, int height, uint32_t color);
140 static void radeonfb_bitblt(struct radeonfb_display *, int srcx, int srcy,
141 int dstx, int dsty, int width, int height, int rop, uint32_t mask);
142 static void radeonfb_feed_bytes(struct radeonfb_display *, int, uint8_t *);
143 static void radeonfb_setup_mono(struct radeonfb_display *, int, int, int,
144 int, uint32_t, uint32_t);
145
146 /* hw cursor support */
147 static void radeonfb_cursor_cmap(struct radeonfb_display *);
148 static void radeonfb_cursor_shape(struct radeonfb_display *);
149 static void radeonfb_cursor_position(struct radeonfb_display *);
150 static void radeonfb_cursor_visible(struct radeonfb_display *);
151 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
152
153 static void radeonfb_wait_fifo(struct radeonfb_softc *, int);
154 static void radeonfb_engine_idle(struct radeonfb_softc *);
155 static void radeonfb_engine_flush(struct radeonfb_softc *);
156 static void radeonfb_engine_reset(struct radeonfb_softc *);
157 static void radeonfb_engine_init(struct radeonfb_display *);
158 static inline void radeonfb_unclip(struct radeonfb_softc *);
159
160 static void radeonfb_eraserows(void *, int, int, long);
161 static void radeonfb_erasecols(void *, int, int, int, long);
162 static void radeonfb_copyrows(void *, int, int, int);
163 static void radeonfb_copycols(void *, int, int, int, int);
164 static void radeonfb_cursor(void *, int, int, int);
165 static void radeonfb_putchar(void *, int, int, unsigned, long);
166 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
167 static int radeonfb_allocattr(void *, int, int, int, long *);
168
169 static int radeonfb_get_backlight(struct radeonfb_display *);
170 static int radeonfb_set_backlight(struct radeonfb_display *, int);
171 static void radeonfb_lvds_callout(void *);
172
173 static void radeonfb_brightness_up(device_t);
174 static void radeonfb_brightness_down(device_t);
175
176 static struct videomode *radeonfb_best_refresh(struct videomode *,
177 struct videomode *);
178 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
179 uint16_t *, int);
180 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
181 struct radeonfb_port *, int, int);
182
183 static int radeonfb_drm_print(void *, const char *);
184
185 #ifdef RADEONFB_DEBUG
186 int radeon_debug = 1;
187 #define DPRINTF(x) \
188 if (radeon_debug) printf x
189 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
190 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
191 #else
192 #define DPRINTF(x)
193 #define PRINTREG(r)
194 #define PRINTPLL(r)
195 #endif
196
197 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
198
199 #ifndef RADEON_DEFAULT_MODE
200 /* any reasonably modern display should handle this */
201 #define RADEON_DEFAULT_MODE "1024x768x60"
202 #endif
203
204 extern const u_char rasops_cmap[768];
205
206 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
207
208 static struct {
209 int size; /* minimum memory size (MB) */
210 int maxx; /* maximum x dimension */
211 int maxy; /* maximum y dimension */
212 int maxbpp; /* maximum bpp */
213 int maxdisp; /* maximum logical display count */
214 } radeonfb_limits[] = {
215 { 32, 2048, 1536, 32, 2 },
216 { 16, 1600, 1200, 32, 2 },
217 { 8, 1600, 1200, 32, 1 },
218 { 0, 0, 0, 0, 0 },
219 };
220
221 static struct wsscreen_descr radeonfb_stdscreen = {
222 "fb", /* name */
223 0, 0, /* ncols, nrows */
224 NULL, /* textops */
225 8, 16, /* fontwidth, fontheight */
226 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE, /* capabilities */
227 0, /* modecookie */
228 };
229
230 struct wsdisplay_accessops radeonfb_accessops = {
231 radeonfb_ioctl,
232 radeonfb_mmap,
233 NULL, /* vcons_alloc_screen */
234 NULL, /* vcons_free_screen */
235 NULL, /* vcons_show_screen */
236 NULL, /* load_font */
237 NULL, /* pollc */
238 NULL, /* scroll */
239 };
240
241 static struct {
242 uint16_t devid;
243 uint16_t family;
244 uint16_t flags;
245 } radeonfb_devices[] =
246 {
247 /* R100 family */
248 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
249 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
250 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
251 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
252
253 /* RV100 family */
254 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
255 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
256 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
257 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
258
259 /* RS100 family */
260 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
261 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
262
263 /* RS200/RS250 family */
264 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
265 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
266 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
267 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
268
269 /* R200 family */
270 /* add more R200 products? , 5148 */
271 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
272 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
273 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
274 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
275 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
276
277 /* RV200 family */
278 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
279 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
280 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
281 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
282
283 /* RV250 family */
284 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
285 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
286 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
287 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
288 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
289
290 /* RS300 family */
291 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
292 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
293 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
294 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
295
296 /* RV280 family */
297 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
298 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
299 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
300 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
301 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
302 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
303 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
304
305 /* R300 family */
306 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
307 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
308 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
309 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
310 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
311 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
312 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
313 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
314
315 /* RV350/RV360 family */
316 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
317 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
318 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
319 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
320 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
321 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
322 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
323 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
324 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
325 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
326 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
327 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
328
329 /* R350/R360 family */
330 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
331 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
332 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
333 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
334 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
335 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
336 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
337 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
338
339 /* RV380/RV370 family */
340 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
341 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
342 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
343 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
344 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
345 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
346 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
347 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
348 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
349
350 /* R420/R423 family */
351 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
352 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
353 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
354 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
355 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
356 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
357 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
358 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
359 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
360 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
361 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
362 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
363 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
364 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
365 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
366 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
367 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
368
369 { 0, 0, 0 }
370 };
371
372 static struct {
373 int divider;
374 int mask;
375 } radeonfb_dividers[] = {
376 { 1, 0 },
377 { 2, 1 },
378 { 3, 4 },
379 { 4, 2 },
380 { 6, 6 },
381 { 8, 3 },
382 { 12, 7 },
383 { 0, 0 }
384 };
385
386 /*
387 * This table taken from X11.
388 */
389 static const struct {
390 int family;
391 struct radeon_tmds_pll plls[4];
392 } radeonfb_tmds_pll[] = {
393 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
394 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
395 { RADEON_RS100, {{0, 0}}},
396 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
397 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
398 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
399 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
400 { RADEON_RS300, {{0, 0}}},
401 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
402 { RADEON_R300, {{-1, 0xb01cb}}},
403 { RADEON_R350, {{-1, 0xb01cb}}},
404 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
405 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
406 { RADEON_R420, {{-1, 0xb01cb}}},
407 };
408
409 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
410
411
412 CFATTACH_DECL(radeonfb, sizeof (struct radeonfb_softc),
413 radeonfb_match, radeonfb_attach, NULL, NULL);
414
415 static int
416 radeonfb_match(device_t parent, cfdata_t match, void *aux)
417 {
418 struct pci_attach_args *pa = aux;
419 int i;
420
421 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
422 return 0;
423
424 for (i = 0; radeonfb_devices[i].devid; i++) {
425 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
426 return 100; /* high to defeat VGA/VESA */
427 }
428
429 return 0;
430 }
431
432 static void
433 radeonfb_attach(device_t parent, device_t dev, void *aux)
434 {
435 struct radeonfb_softc *sc = device_private(dev);
436 struct pci_attach_args *pa = aux;
437 const char *mptr;
438 bus_size_t bsz;
439 pcireg_t screg;
440 int i, j, fg, bg, ul, flags;
441 uint32_t v;
442
443 sc->sc_id = pa->pa_id;
444 for (i = 0; radeonfb_devices[i].devid; i++) {
445 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
446 break;
447 }
448
449 pci_devinfo(sc->sc_id, pa->pa_class, 0, sc->sc_devinfo,
450 sizeof(sc->sc_devinfo));
451
452 aprint_naive("\n");
453 aprint_normal(": %s\n", sc->sc_devinfo);
454
455 DPRINTF((prop_dictionary_externalize(device_properties(dev))));
456
457 KASSERT(radeonfb_devices[i].devid != 0);
458 sc->sc_pt = pa->pa_tag;
459 sc->sc_iot = pa->pa_iot;
460 sc->sc_pc = pa->pa_pc;
461 sc->sc_family = radeonfb_devices[i].family;
462 sc->sc_flags = radeonfb_devices[i].flags;
463
464 /* enable memory and IO access */
465 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
466 screg |= PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
467 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
468
469 /*
470 * Some flags are general to entire chip families, and rather
471 * than clutter up the table with them, we go ahead and set
472 * them here.
473 */
474 switch (sc->sc_family) {
475 case RADEON_RS100:
476 case RADEON_RS200:
477 sc->sc_flags |= RFB_IGP | RFB_RV100;
478 break;
479
480 case RADEON_RV100:
481 case RADEON_RV200:
482 case RADEON_RV250:
483 case RADEON_RV280:
484 sc->sc_flags |= RFB_RV100;
485 break;
486
487 case RADEON_RS300:
488 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
489 break;
490
491 case RADEON_R300:
492 case RADEON_RV350:
493 case RADEON_R350:
494 case RADEON_RV380:
495 case RADEON_R420:
496 /* newer chips */
497 sc->sc_flags |= RFB_R300;
498 break;
499
500 case RADEON_R100:
501 sc->sc_flags |= RFB_NCRTC2;
502 break;
503 }
504
505 if ((sc->sc_family == RADEON_RV200) ||
506 (sc->sc_family == RADEON_RV250) ||
507 (sc->sc_family == RADEON_RV280) ||
508 (sc->sc_family == RADEON_RV350)) {
509 bool inverted = 0;
510 /* backlight level is linear */
511 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
512 prop_dictionary_get_bool(device_properties(&sc->sc_dev),
513 "backlight_level_reverted", &inverted);
514 if (inverted) {
515 DPRINTF(("nope, it's inverted\n"));
516 sc->sc_flags |= RFB_INV_BLIGHT;
517 }
518 } else
519 sc->sc_flags |= RFB_INV_BLIGHT;
520
521 /*
522 * XXX: to support true multihead, this must change.
523 */
524 sc->sc_ndisplays = 1;
525
526 /* XXX: */
527 if (!HAS_CRTC2(sc)) {
528 sc->sc_ndisplays = 1;
529 }
530
531 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
532 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
533 &sc->sc_regsz) != 0) {
534 aprint_error("%s: unable to map registers!\n", XNAME(sc));
535 goto error;
536 }
537
538 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
539 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
540 {
541 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
542 goto error;
543 }
544 sc->sc_romt = sc->sc_memt;
545
546 /* scratch register test... */
547 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
548 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
549 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
550 goto error;
551 }
552
553 PRINTREG(RADEON_BIOS_4_SCRATCH);
554 PRINTREG(RADEON_FP_GEN_CNTL);
555 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
556 PRINTREG(RADEON_FP2_GEN_CNTL);
557 PRINTREG(RADEON_TMDS_CNTL);
558 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
559 PRINTREG(RADEON_TMDS_PLL_CNTL);
560 PRINTREG(RADEON_LVDS_GEN_CNTL);
561 PRINTREG(RADEON_FP_HORZ_STRETCH);
562 PRINTREG(RADEON_FP_VERT_STRETCH);
563
564 /* XXX: RV100 specific */
565 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
566
567 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
568 RADEON_TMDS_TRANSMITTER_PLLEN,
569 RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
570
571 radeonfb_i2c_init(sc);
572
573 radeonfb_loadbios(sc, pa);
574
575 #ifdef RADEONFB_BIOS_INIT
576 if (radeonfb_bios_init(sc)) {
577 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
578 }
579 #endif
580
581 if (radeonfb_getclocks(sc)) {
582 aprint_error("%s: Unable to get reference clocks from BIOS\n",
583 XNAME(sc));
584 goto error;
585 }
586
587 if (radeonfb_gettmds(sc)) {
588 aprint_error("%s: Unable to identify TMDS PLL settings\n",
589 XNAME(sc));
590 goto error;
591 }
592
593 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
594 "minpll = %d, maxpll = %d\n", XNAME(sc),
595 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
596 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
597
598 radeonfb_getconnectors(sc);
599
600 radeonfb_set_fbloc(sc);
601
602 for (i = 0; radeonfb_limits[i].size; i++) {
603 if (sc->sc_memsz >= radeonfb_limits[i].size) {
604 sc->sc_maxx = radeonfb_limits[i].maxx;
605 sc->sc_maxy = radeonfb_limits[i].maxy;
606 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
607 /* framebuffer offset, start at a 4K page */
608 sc->sc_fboffset = sc->sc_memsz /
609 radeonfb_limits[i].maxdisp;
610 /*
611 * we use the fbsize to figure out where we can store
612 * things like cursor data.
613 */
614 sc->sc_fbsize =
615 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
616 RADEON_STRIDEALIGN) * sc->sc_maxy,
617 4096);
618 break;
619 }
620 }
621
622
623 radeonfb_init_misc(sc);
624 radeonfb_init_palette(sc, 0);
625 if (HAS_CRTC2(sc))
626 radeonfb_init_palette(sc, 1);
627
628 /* program the DAC wirings */
629 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
630 switch (sc->sc_ports[i].rp_dac_type) {
631 case RADEON_DAC_PRIMARY:
632 PATCH32(sc, RADEON_DAC_CNTL2,
633 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
634 ~RADEON_DAC2_DAC_CLK_SEL);
635 break;
636 case RADEON_DAC_TVDAC:
637 /* we always use the TVDAC to drive a secondary analog
638 * CRT for now. if we ever support TV-out this will
639 * have to change.
640 */
641 SET32(sc, RADEON_DAC_CNTL2,
642 RADEON_DAC2_DAC2_CLK_SEL);
643 PATCH32(sc, RADEON_DISP_HW_DEBUG,
644 i ? 0 : RADEON_CRT2_DISP1_SEL,
645 ~RADEON_CRT2_DISP1_SEL);
646 break;
647 }
648 }
649 PRINTREG(RADEON_DAC_CNTL2);
650 PRINTREG(RADEON_DISP_HW_DEBUG);
651
652 /* other DAC programming */
653 v = GET32(sc, RADEON_DAC_CNTL);
654 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
655 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
656 PUT32(sc, RADEON_DAC_CNTL, v);
657 PRINTREG(RADEON_DAC_CNTL);
658
659 /* XXX: this may need more investigation */
660 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
661 PRINTREG(RADEON_TV_DAC_CNTL);
662
663 /* enable TMDS */
664 SET32(sc, RADEON_FP_GEN_CNTL,
665 RADEON_FP_TMDS_EN |
666 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
667 RADEON_FP_CRTC_DONT_SHADOW_HEND);
668 /*
669 * XXX
670 * no idea why this is necessary - if I do not clear this bit on my
671 * iBook G4 the screen remains black, even though it's already clear.
672 * It needs to be set on my Sun XVR-100 for the DVI port to work
673 */
674
675 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
676 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
677 } else
678 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
679
680 if (HAS_CRTC2(sc))
681 SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
682
683 /*
684 * we use bus_space_map instead of pci_mapreg, because we don't
685 * need the full aperature space. no point in wasting virtual
686 * address space we don't intend to use, right?
687 */
688 if ((sc->sc_memsz < (4096 * 1024)) ||
689 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
690 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
691 (bsz < sc->sc_memsz)) {
692 sc->sc_memsz = 0;
693 aprint_error("%s: Bad frame buffer configuration\n",
694 XNAME(sc));
695 goto error;
696 }
697
698 /* 64 MB should be enough -- more just wastes map entries */
699 if (sc->sc_memsz > (64 << 20))
700 sc->sc_memsz = (64 << 20);
701
702 sc->sc_memt = pa->pa_memt;
703 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
704 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
705 sc->sc_memsz = 0;
706 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
707 goto error;
708 }
709
710 aprint_normal("%s: %d MB aperture at 0x%08x, "
711 "%d KB registers at 0x%08x\n", XNAME(sc),
712 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
713 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
714
715 /* setup default video mode from devprop (allows PROM override) */
716 sc->sc_defaultmode = radeonfb_default_mode;
717 if (prop_dictionary_get_cstring_nocopy(device_properties(&sc->sc_dev),
718 "videomode", &mptr)) {
719
720 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
721 sc->sc_defaultmode = sc->sc_modebuf;
722 }
723
724 /* initialize some basic display parameters */
725 for (i = 0; i < sc->sc_ndisplays; i++) {
726 struct radeonfb_display *dp = &sc->sc_displays[i];
727 struct rasops_info *ri;
728 long defattr;
729 struct wsemuldisplaydev_attach_args aa;
730
731 /*
732 * Figure out how many "displays" (desktops) we are going to
733 * support. If more than one, then each CRTC gets its own
734 * programming.
735 *
736 * XXX: this code needs to change to support mergedfb.
737 * XXX: would be nice to allow this to be overridden
738 */
739 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
740 DPRINTF(("dual crtcs!\n"));
741 dp->rd_ncrtcs = 2;
742 dp->rd_crtcs[0].rc_number = 0;
743 dp->rd_crtcs[1].rc_number = 1;
744 } else {
745 dp->rd_ncrtcs = 1;
746 dp->rd_crtcs[0].rc_number = i;
747 }
748
749 /* set up port pointer */
750 for (j = 0; j < dp->rd_ncrtcs; j++) {
751 dp->rd_crtcs[j].rc_port =
752 &sc->sc_ports[dp->rd_crtcs[j].rc_number];
753 }
754
755 dp->rd_softc = sc;
756 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
757 dp->rd_bg = WS_DEFAULT_BG;
758 #if 0
759 dp->rd_bpp = sc->sc_maxbpp; /* XXX: for now */
760 #else
761 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
762 #endif
763 /* for text mode, we pick a resolution that won't
764 * require panning */
765 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
766
767 aprint_normal("%s: display %d: "
768 "initial virtual resolution %dx%d at %d bpp\n",
769 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
770
771 /* now select the *video mode* that we will use */
772 for (j = 0; j < dp->rd_ncrtcs; j++) {
773 const struct videomode *vmp;
774 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
775 dp->rd_virtx, dp->rd_virty);
776
777 /*
778 * virtual resolution should be at least as high as
779 * physical
780 */
781 if (dp->rd_virtx < vmp->hdisplay ||
782 dp->rd_virty < vmp->vdisplay) {
783 dp->rd_virtx = vmp->hdisplay;
784 dp->rd_virty = vmp->vdisplay;
785 }
786
787 dp->rd_crtcs[j].rc_videomode = *vmp;
788 printf("%s: port %d: physical %dx%d %dHz\n",
789 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
790 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
791 vmp->htotal), vmp->vtotal));
792 }
793
794 /* N.B.: radeon wants 64-byte aligned stride */
795 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
796 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
797
798 dp->rd_offset = sc->sc_fboffset * i;
799 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
800 sc->sc_memh) + dp->rd_offset;
801 dp->rd_curoff = sc->sc_fbsize;
802 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
803
804 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
805
806 switch (dp->rd_bpp) {
807 case 8:
808 dp->rd_format = 2;
809 break;
810 case 32:
811 dp->rd_format = 6;
812 break;
813 default:
814 aprint_error("%s: bad depth %d\n", XNAME(sc),
815 dp->rd_bpp);
816 goto error;
817 }
818
819 DPRINTF("init engine\n");
820 /* XXX: this seems suspicious - per display engine
821 initialization? */
822 radeonfb_engine_init(dp);
823
824 /* copy the template into place */
825 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
826 dp->rd_wsscreens = dp->rd_wsscreens_storage;
827
828 /* and make up the list */
829 dp->rd_wsscreenlist.nscreens = 1;
830 dp->rd_wsscreenlist.screens =
831 (const struct wsscreen_descr **)&dp->rd_wsscreens;
832
833 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
834 &radeonfb_accessops);
835
836 dp->rd_vd.init_screen = radeonfb_init_screen;
837
838 dp->rd_console = 0;
839 prop_dictionary_get_bool(device_properties(&sc->sc_dev),
840 "is_console", &dp->rd_console);
841
842 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
843
844
845 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
846 dp->rd_console, &defattr);
847
848 ri = &dp->rd_vscreen.scr_ri;
849
850 /* clear the screen */
851 rasops_unpack_attr(defattr, &fg, &bg, &ul);
852 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
853 ri->ri_devcmap[bg & 0xf]);
854
855 dp->rd_wsscreens->textops = &ri->ri_ops;
856 dp->rd_wsscreens->capabilities = ri->ri_caps;
857 dp->rd_wsscreens->nrows = ri->ri_rows;
858 dp->rd_wsscreens->ncols = ri->ri_cols;
859
860 #ifdef SPLASHSCREEN
861 dp->rd_splash.si_depth = ri->ri_depth;
862 dp->rd_splash.si_bits = ri->ri_bits;
863 dp->rd_splash.si_hwbits = ri->ri_hwbits;
864 dp->rd_splash.si_width = ri->ri_width;
865 dp->rd_splash.si_height = ri->ri_height;
866 dp->rd_splash.si_stride = ri->ri_stride;
867 dp->rd_splash.si_fillrect = NULL;
868 #endif
869 if (dp->rd_console) {
870
871 radeonfb_modeswitch(dp);
872 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
873 defattr);
874 #ifdef SPLASHSCREEN
875 splash_render(&dp->rd_splash,
876 SPLASH_F_CENTER|SPLASH_F_FILL);
877 #else
878 vcons_replay_msgbuf(&dp->rd_vscreen);
879 #endif
880
881 #ifdef SPLASHSCREEN_PROGRESS
882 dp->rd_progress.sp_top = (dp->rd_virty / 8) * 7;
883 dp->rd_progress.sp_width = (dp->rd_virtx / 4) * 3;
884 dp->rd_progress.sp_left = (dp->rd_virtx -
885 dp->rd_progress.sp_width) / 2;
886 dp->rd_progress.sp_height = 20;
887 dp->rd_progress.sp_state = -1;
888 dp->rd_progress.sp_si = &dp->rd_splash;
889 splash_progress_init(&dp->rd_progress);
890 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
891 #endif
892
893 } else {
894
895 /*
896 * since we're not the console we can postpone
897 * the rest until someone actually allocates a
898 * screen for us. but we do clear the screen
899 * at least.
900 */
901 memset(ri->ri_bits, 0, 1024);
902
903 radeonfb_modeswitch(dp);
904 #ifdef SPLASHSCREEN
905 splash_render(&dp->rd_splash,
906 SPLASH_F_CENTER|SPLASH_F_FILL);
907 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
908 #endif
909 }
910
911 aa.console = dp->rd_console;
912 aa.scrdata = &dp->rd_wsscreenlist;
913 aa.accessops = &radeonfb_accessops;
914 aa.accesscookie = &dp->rd_vd;
915
916 config_found(&sc->sc_dev, &aa, wsemuldisplaydevprint);
917
918 radeonfb_blank(dp, 0);
919
920 /* Initialise delayed lvds operations for backlight. */
921 callout_init(&dp->rd_bl_lvds_co, 0);
922 callout_setfunc(&dp->rd_bl_lvds_co,
923 radeonfb_lvds_callout, dp);
924 }
925
926 /*
927 * if we have console output via firmware like on sparc64 it may
928 * interfere with DAC programming so program the palette again
929 * here after we took over
930 */
931 radeonfb_init_palette(sc, 0);
932 if (HAS_CRTC2(sc))
933 radeonfb_init_palette(sc, 1);
934
935 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
936 radeonfb_brightness_up, TRUE);
937 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
938 radeonfb_brightness_down, TRUE);
939
940 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
941
942 return;
943
944 error:
945 if (sc->sc_biossz)
946 free(sc->sc_bios, M_DEVBUF);
947
948 if (sc->sc_regsz)
949 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
950
951 if (sc->sc_memsz)
952 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
953 }
954
955 static int
956 radeonfb_drm_print(void *aux, const char *pnp)
957 {
958 if (pnp)
959 aprint_normal("drm at %s", pnp);
960 return (UNCONF);
961 }
962
963 int
964 radeonfb_ioctl(void *v, void *vs,
965 unsigned long cmd, void *d, int flag, struct lwp *l)
966 {
967 struct vcons_data *vd;
968 struct radeonfb_display *dp;
969 struct radeonfb_softc *sc;
970 struct wsdisplay_param *param;
971
972 vd = (struct vcons_data *)v;
973 dp = (struct radeonfb_display *)vd->cookie;
974 sc = dp->rd_softc;
975
976 switch (cmd) {
977 case WSDISPLAYIO_GTYPE:
978 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
979 return 0;
980
981 case WSDISPLAYIO_GINFO:
982 if (vd->active != NULL) {
983 struct wsdisplay_fbinfo *fb;
984 fb = (struct wsdisplay_fbinfo *)d;
985 fb->width = dp->rd_virtx;
986 fb->height = dp->rd_virty;
987 fb->depth = dp->rd_bpp;
988 fb->cmsize = 256;
989 return 0;
990 } else
991 return ENODEV;
992 case WSDISPLAYIO_GVIDEO:
993 if (radeonfb_isblank(dp))
994 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
995 else
996 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
997 return 0;
998
999 case WSDISPLAYIO_SVIDEO:
1000 radeonfb_blank(dp,
1001 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1002 return 0;
1003
1004 case WSDISPLAYIO_GETCMAP:
1005 #if 0
1006 if (dp->rd_bpp == 8)
1007 return radeonfb_getcmap(sc,
1008 (struct wsdisplay_cmap *)d);
1009 #endif
1010 return EINVAL;
1011
1012 case WSDISPLAYIO_PUTCMAP:
1013 #if 0
1014 if (dp->rd_bpp == 8)
1015 return radeonfb_putcmap(sc,
1016 (struct wsdisplay_cmap *)d);
1017 #endif
1018 return EINVAL;
1019
1020 case WSDISPLAYIO_LINEBYTES:
1021 *(unsigned *)d = dp->rd_stride;
1022 return 0;
1023
1024 case WSDISPLAYIO_SMODE:
1025 if (*(int *)d != dp->rd_wsmode) {
1026 dp->rd_wsmode = *(int *)d;
1027 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1028 (dp->rd_vd.active)) {
1029 radeonfb_engine_init(dp);
1030 radeonfb_init_palette(sc, dp == &sc->sc_displays[0] ? 0 : 1);
1031 radeonfb_modeswitch(dp);
1032 vcons_redraw_screen(dp->rd_vd.active);
1033 }
1034 }
1035 return 0;
1036
1037 case WSDISPLAYIO_GCURMAX:
1038 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1039 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1040 return 0;
1041
1042 case WSDISPLAYIO_SCURSOR:
1043 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1044
1045 case WSDISPLAYIO_GCURSOR:
1046 return EPASSTHROUGH;
1047
1048 case WSDISPLAYIO_GCURPOS:
1049 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1050 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1051 return 0;
1052
1053 case WSDISPLAYIO_SCURPOS:
1054 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1055
1056 case WSDISPLAYIO_SSPLASH:
1057 #if defined(SPLASHSCREEN)
1058 if (*(int *)d == 1) {
1059 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1060 splash_render(&dp->rd_splash,
1061 SPLASH_F_CENTER|SPLASH_F_FILL);
1062 } else
1063 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1064 return 0;
1065 #else
1066 return ENODEV;
1067 #endif
1068 case WSDISPLAYIO_SPROGRESS:
1069 #if defined(SPLASHSCREEN) && defined(SPLASHSCREEN_PROGRESS)
1070 dp->rd_progress.sp_force = 1;
1071 splash_progress_update(&dp->rd_progress);
1072 dp->rd_progress.sp_force = 0;
1073 return 0;
1074 #else
1075 return ENODEV;
1076 #endif
1077 case WSDISPLAYIO_GETPARAM:
1078 param = (struct wsdisplay_param *)d;
1079 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1080 param->min = 0;
1081 param->max = RADEONFB_BACKLIGHT_MAX;
1082 param->curval = radeonfb_get_backlight(dp);
1083 return 0;
1084 }
1085 return EPASSTHROUGH;
1086
1087 case WSDISPLAYIO_SETPARAM:
1088 param = (struct wsdisplay_param *)d;
1089 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1090 return radeonfb_set_backlight(dp, param->curval);
1091 }
1092 return EPASSTHROUGH;
1093
1094 /* PCI config read/write passthrough. */
1095 case PCI_IOC_CFGREAD:
1096 case PCI_IOC_CFGWRITE:
1097 return (pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l));
1098
1099 default:
1100 return EPASSTHROUGH;
1101 }
1102 }
1103
1104 paddr_t
1105 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1106 {
1107 struct vcons_data *vd;
1108 struct radeonfb_display *dp;
1109 struct radeonfb_softc *sc;
1110 paddr_t pa;
1111
1112 vd = (struct vcons_data *)v;
1113 dp = (struct radeonfb_display *)vd->cookie;
1114 sc = dp->rd_softc;
1115
1116 /* XXX: note that we don't allow mapping of registers right now */
1117 /* XXX: this means that the XFree86 radeon driver won't work */
1118 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1119 pa = bus_space_mmap(sc->sc_memt,
1120 sc->sc_memaddr + dp->rd_offset + offset, 0,
1121 prot, BUS_SPACE_MAP_LINEAR);
1122 return pa;
1123 }
1124
1125 #ifdef RADEONFB_MMAP_BARS
1126 /*
1127 * restrict all other mappings to processes with superuser privileges
1128 * or the kernel itself
1129 */
1130 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER,
1131 NULL) != 0) {
1132 aprint_error_dev(&sc->sc_dev, "mmap() rejected.\n");
1133 return -1;
1134 }
1135
1136 if ((offset >= sc->sc_regaddr) &&
1137 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1138 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1139 BUS_SPACE_MAP_LINEAR);
1140 }
1141
1142 if ((offset >= sc->sc_memaddr) &&
1143 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1144 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1145 BUS_SPACE_MAP_LINEAR);
1146 }
1147
1148 if ((offset >= sc->sc_romaddr) &&
1149 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1150 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1151 BUS_SPACE_MAP_LINEAR);
1152 }
1153
1154 #ifdef PCI_MAGIC_IO_RANGE
1155 /* allow mapping of IO space */
1156 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1157 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1158 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1159 0, prot, 0);
1160 return pa;
1161 }
1162 #endif /* macppc */
1163
1164 #endif /* RADEONFB_MMAP_BARS */
1165
1166 return -1;
1167 }
1168
1169 static void
1170 radeonfb_loadbios(struct radeonfb_softc *sc, struct pci_attach_args *pa)
1171 {
1172 bus_space_tag_t romt;
1173 bus_space_handle_t romh, biosh;
1174 bus_size_t romsz;
1175 bus_addr_t ptr;
1176
1177 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1178 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1179 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1180 return;
1181 }
1182
1183 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1184 &sc->sc_biossz);
1185 if (sc->sc_biossz == 0) {
1186 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1187 return;
1188 }
1189
1190 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1191 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1192
1193 /* unmap the PCI expansion rom */
1194 bus_space_unmap(romt, romh, romsz);
1195
1196 /* turn off rom decoder now */
1197 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1198 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1199 ~PCI_MAPREG_ROM_ENABLE);
1200
1201 ptr = GETBIOS16(sc, 0x48);
1202 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1203 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1204 sc->sc_flags |= RFB_ATOM;
1205 }
1206
1207 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1208 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1209 }
1210
1211
1212 uint32_t
1213 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1214 {
1215
1216 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1217 }
1218
1219 void
1220 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1221 {
1222
1223 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1224 }
1225
1226 void
1227 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1228 uint32_t andmask, uint32_t ormask)
1229 {
1230 int s;
1231 uint32_t val;
1232
1233 s = splhigh();
1234 val = radeonfb_get32(sc, reg);
1235 val = (val & andmask) | ormask;
1236 radeonfb_put32(sc, reg, val);
1237 splx(s);
1238 }
1239
1240 uint32_t
1241 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1242 {
1243 int s;
1244 uint32_t val;
1245
1246 s = splhigh();
1247 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1248 val = radeonfb_get32(sc, RADEON_MM_DATA);
1249 splx(s);
1250
1251 return (val);
1252 }
1253
1254 void
1255 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1256 {
1257 int s;
1258
1259 s = splhigh();
1260 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1261 radeonfb_put32(sc, RADEON_MM_DATA, val);
1262 splx(s);
1263 }
1264
1265 void
1266 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1267 uint32_t andmask, uint32_t ormask)
1268 {
1269 int s;
1270 uint32_t val;
1271
1272 s = splhigh();
1273 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1274 val = radeonfb_get32(sc, RADEON_MM_DATA);
1275 val = (val & andmask) | ormask;
1276 radeonfb_put32(sc, RADEON_MM_DATA, val);
1277 splx(s);
1278 }
1279
1280 uint32_t
1281 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1282 {
1283 int s;
1284 uint32_t val;
1285
1286 s = splhigh();
1287 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
1288 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1289 if (HAS_R300CG(sc))
1290 radeonfb_r300cg_workaround(sc);
1291 splx(s);
1292
1293 return (val);
1294 }
1295
1296 void
1297 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1298 {
1299 int s;
1300
1301 s = splhigh();
1302 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1303 RADEON_PLL_WR_EN);
1304 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1305 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1306 splx(s);
1307 }
1308
1309 void
1310 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1311 uint32_t andmask, uint32_t ormask)
1312 {
1313 int s;
1314 uint32_t val;
1315
1316 s = splhigh();
1317 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1318 RADEON_PLL_WR_EN);
1319 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1320 val = (val & andmask) | ormask;
1321 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1322 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1323 splx(s);
1324 }
1325
1326 int
1327 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1328 {
1329 uint32_t saved;
1330
1331 saved = GET32(sc, reg);
1332 PUT32(sc, reg, v);
1333 if (GET32(sc, reg) != v) {
1334 return -1;
1335 }
1336 PUT32(sc, reg, saved);
1337 return 0;
1338 }
1339
1340 uintmax_t
1341 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1342 uintmax_t defval)
1343 {
1344 prop_number_t pn;
1345 pn = prop_dictionary_get(device_properties(&sc->sc_dev), name);
1346 if (pn == NULL) {
1347 return defval;
1348 }
1349 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1350 return (prop_number_integer_value(pn));
1351 }
1352
1353 int
1354 radeonfb_getclocks(struct radeonfb_softc *sc)
1355 {
1356 bus_addr_t ptr;
1357 int refclk = 0;
1358 int refdiv = 0;
1359 int minpll = 0;
1360 int maxpll = 0;
1361
1362 /* load initial property values if port/board provides them */
1363 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1364 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1365 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1366 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1367
1368 if (refclk && refdiv && minpll && maxpll)
1369 goto dontprobe;
1370
1371 if (!sc->sc_biossz) {
1372 /* no BIOS */
1373 aprint_verbose("%s: No video BIOS, using default clocks\n",
1374 XNAME(sc));
1375 if (IS_IGP(sc))
1376 refclk = refclk ? refclk : 1432;
1377 else
1378 refclk = refclk ? refclk : 2700;
1379 refdiv = refdiv ? refdiv : 12;
1380 minpll = minpll ? minpll : 12500;
1381 maxpll = maxpll ? maxpll : 35000;
1382 } else if (IS_ATOM(sc)) {
1383 /* ATOM BIOS */
1384 ptr = GETBIOS16(sc, 0x48);
1385 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1386 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1387 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1388 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1389 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1390 /*
1391 * ATOM BIOS doesn't supply a reference divider, so we
1392 * have to probe for it.
1393 */
1394 if (refdiv < 2)
1395 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1396 RADEON_PPLL_REF_DIV_MASK;
1397 /*
1398 * if probe is zero, just assume one that should work
1399 * for most parts
1400 */
1401 if (refdiv < 2)
1402 refdiv = 12;
1403
1404 } else {
1405 /* Legacy BIOS */
1406 ptr = GETBIOS16(sc, 0x48);
1407 ptr = GETBIOS16(sc, ptr + 0x30);
1408 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1409 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1410 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1411 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1412 }
1413
1414
1415 dontprobe:
1416 sc->sc_refclk = refclk * 10;
1417 sc->sc_refdiv = refdiv;
1418 sc->sc_minpll = minpll * 10;
1419 sc->sc_maxpll = maxpll * 10;
1420 return 0;
1421 }
1422
1423 int
1424 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1425 uint32_t *postdivbit, uint32_t *feedbackdiv)
1426 {
1427 int i;
1428 uint32_t outfreq;
1429 int div;
1430
1431 DPRINTF(("dot clock: %u\n", dotclock));
1432 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1433 outfreq = div * dotclock;
1434 if ((outfreq >= sc->sc_minpll) &&
1435 (outfreq <= sc->sc_maxpll)) {
1436 DPRINTF(("outfreq: %u\n", outfreq));
1437 *postdivbit =
1438 ((uint32_t)radeonfb_dividers[i].mask << 16);
1439 DPRINTF(("post divider: %d (mask %x)\n", div,
1440 *postdivbit));
1441 break;
1442 }
1443 }
1444
1445 if (div == 0)
1446 return 1;
1447
1448 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1449 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1450 return 0;
1451 }
1452
1453 #if 0
1454 #ifdef RADEONFB_DEBUG
1455 static void
1456 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1457 {
1458 char asc[17];
1459 unsigned ptr = (unsigned)buffer;
1460 char *start = (char *)(ptr & ~0xf);
1461 char *end = (char *)(ptr + size);
1462
1463 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1464
1465 if (pfx == NULL) {
1466 pfx = "";
1467 }
1468
1469 while (start < end) {
1470 unsigned offset = (unsigned)start & 0xf;
1471 if (offset == 0) {
1472 printf("%s%x: ", pfx, (unsigned)start);
1473 }
1474 if (((unsigned)start < ptr) ||
1475 ((unsigned)start >= (ptr + size))) {
1476 printf(" ");
1477 asc[offset] = ' ';
1478 } else {
1479 printf("%02x", *(unsigned char *)start);
1480 if ((*start >= ' ') && (*start <= '~')) {
1481 asc[offset] = *start;
1482 } else {
1483 asc[offset] = '.';
1484 }
1485 }
1486 asc[offset + 1] = 0;
1487 if (offset % 2) {
1488 printf(" ");
1489 }
1490 if (offset == 15) {
1491 printf(" %s\n", asc);
1492 }
1493 start++;
1494 }
1495 }
1496 #endif
1497 #endif
1498
1499 int
1500 radeonfb_getconnectors(struct radeonfb_softc *sc)
1501 {
1502 int i;
1503 int found = 0;
1504
1505 for (i = 0; i < 2; i++) {
1506 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1507 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1508 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1509 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1510 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1511 }
1512
1513 /*
1514 * This logic is borrowed from Xorg's radeon driver.
1515 */
1516 if (!sc->sc_biossz)
1517 goto nobios;
1518
1519 if (IS_ATOM(sc)) {
1520 /* not done yet */
1521 } else {
1522 uint16_t ptr;
1523 int port = 0;
1524
1525 ptr = GETBIOS16(sc, 0x48);
1526 ptr = GETBIOS16(sc, ptr + 0x50);
1527 for (i = 1; i < 4; i++) {
1528 uint16_t entry;
1529 uint8_t conn, ddc, dac, tmds;
1530
1531 /*
1532 * Parse the connector table. From reading the code,
1533 * it appears to made up of 16-bit entries for each
1534 * connector. The 16-bits are defined as:
1535 *
1536 * bits 12-15 - connector type (0 == end of table)
1537 * bits 8-11 - DDC type
1538 * bits 5-7 - ???
1539 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1540 * bits 1-3 - ???
1541 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1542 */
1543 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1544 break;
1545 entry = GETBIOS16(sc, ptr + i * 2);
1546
1547 conn = (entry >> 12) & 0xf;
1548 ddc = (entry >> 8) & 0xf;
1549 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1550 RADEON_DAC_PRIMARY;
1551 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1552 RADEON_TMDS_INT;
1553
1554 if (conn == RADEON_CONN_NONE)
1555 continue; /* no connector */
1556
1557 if ((found > 0) &&
1558 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1559 /* duplicate entry for same connector */
1560 continue;
1561 }
1562
1563 /* internal DDC_DVI port gets priority */
1564 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1565 port = 0;
1566 else
1567 port = 1;
1568
1569 sc->sc_ports[port].rp_ddc_type =
1570 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1571 sc->sc_ports[port].rp_dac_type = dac;
1572 sc->sc_ports[port].rp_conn_type =
1573 min(conn, RADEON_CONN_UNSUPPORTED) ;
1574
1575 sc->sc_ports[port].rp_tmds_type = tmds;
1576
1577 if ((conn != RADEON_CONN_DVI_I) &&
1578 (conn != RADEON_CONN_DVI_D) &&
1579 (tmds == RADEON_TMDS_INT))
1580 sc->sc_ports[port].rp_tmds_type =
1581 RADEON_TMDS_UNKNOWN;
1582
1583 found += (port + 1);
1584 }
1585 }
1586
1587 nobios:
1588 if (!found) {
1589 DPRINTF(("No connector info in BIOS!\n"));
1590 /* default, port 0 = internal TMDS, port 1 = CRT */
1591 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1592 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1593 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1594 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1595 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1596
1597 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1598 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1599 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1600 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1601 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1602 }
1603
1604 /*
1605 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1606 * these chips should use TVDAC for the VGA port.
1607 */
1608 if (HAS_SDAC(sc)) {
1609 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1610 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1611 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1612 } else {
1613 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1614 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1615 }
1616 } else if (!HAS_CRTC2(sc)) {
1617 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1618 }
1619
1620 for (i = 0; i < 2; i++) {
1621 char edid[128];
1622 uint8_t ddc;
1623 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1624 prop_data_t edid_data;
1625
1626 DPRINTF(("Port #%d:\n", i));
1627 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1628 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1629 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1630 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1631
1632 sc->sc_ports[i].rp_edid_valid = 0;
1633 /* first look for static EDID data */
1634 if ((edid_data = prop_dictionary_get(device_properties(
1635 &sc->sc_dev), "EDID")) != NULL) {
1636
1637 aprint_normal_dev(&sc->sc_dev, "using static EDID\n");
1638 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1639 if (edid_parse(edid, eip) == 0) {
1640
1641 sc->sc_ports[i].rp_edid_valid = 1;
1642 }
1643 }
1644 /* if we didn't find any we'll try to talk to the monitor */
1645 if (sc->sc_ports[i].rp_edid_valid != 1) {
1646
1647 ddc = sc->sc_ports[i].rp_ddc_type;
1648 if (ddc != RADEON_DDC_NONE) {
1649 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1650 == 0) && (edid_parse(edid, eip) == 0)) {
1651
1652 sc->sc_ports[i].rp_edid_valid = 1;
1653 edid_print(eip);
1654 }
1655 }
1656 }
1657 }
1658
1659 return found;
1660 }
1661
1662 int
1663 radeonfb_gettmds(struct radeonfb_softc *sc)
1664 {
1665 int i;
1666
1667 if (!sc->sc_biossz) {
1668 goto nobios;
1669 }
1670
1671 if (IS_ATOM(sc)) {
1672 /* XXX: not done yet */
1673 } else {
1674 uint16_t ptr;
1675 int n;
1676
1677 ptr = GETBIOS16(sc, 0x48);
1678 ptr = GETBIOS16(sc, ptr + 0x34);
1679 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1680 if (GETBIOS8(sc, ptr) == 3) {
1681 /* revision three table */
1682 n = GETBIOS8(sc, ptr + 5) + 1;
1683 n = min(n, 4);
1684
1685 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1686 for (i = 0; i < n; i++) {
1687 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1688 ptr + i * 10 + 8);
1689 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1690 ptr + i * 10 + 0x10);
1691 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1692 sc->sc_tmds_pll[i].rtp_freq,
1693 sc->sc_tmds_pll[i].rtp_pll));
1694 }
1695 return 0;
1696 }
1697 }
1698
1699 nobios:
1700 DPRINTF(("no suitable DFP table present\n"));
1701 for (i = 0;
1702 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1703 i++) {
1704 int j;
1705
1706 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1707 continue;
1708
1709 for (j = 0; j < 4; j++) {
1710 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1711 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1712 sc->sc_tmds_pll[j].rtp_freq,
1713 sc->sc_tmds_pll[j].rtp_pll));
1714 }
1715 return 0;
1716 }
1717
1718 return -1;
1719 }
1720
1721 const struct videomode *
1722 radeonfb_modelookup(const char *name)
1723 {
1724 int i;
1725
1726 for (i = 0; i < videomode_count; i++)
1727 if (!strcmp(name, videomode_list[i].name))
1728 return &videomode_list[i];
1729
1730 return NULL;
1731 }
1732
1733 void
1734 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1735 {
1736 if (crtc) {
1737 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1738 RADEON_P2PLL_ATOMIC_UPDATE_R);
1739 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1740 } else {
1741 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1742 RADEON_PPLL_ATOMIC_UPDATE_R);
1743 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1744 }
1745 }
1746
1747 void
1748 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1749 {
1750 int i;
1751
1752 for (i = 10000; i; i--) {
1753 if (crtc) {
1754 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1755 RADEON_P2PLL_ATOMIC_UPDATE_R)
1756 break;
1757 } else {
1758 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1759 RADEON_PPLL_ATOMIC_UPDATE_R)
1760 break;
1761 }
1762 }
1763 }
1764
1765 void
1766 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1767 {
1768 uint32_t pbit = 0;
1769 uint32_t feed = 0;
1770 uint32_t data;
1771 #if 1
1772 int i;
1773 #endif
1774
1775 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1776
1777 if (crtc == 0) {
1778
1779 /* XXXX: mobility workaround missing */
1780 /* XXXX: R300 stuff missing */
1781
1782 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1783 RADEON_VCLK_SRC_SEL_CPUCLK,
1784 ~RADEON_VCLK_SRC_SEL_MASK);
1785
1786 /* put vclk into reset, use atomic updates */
1787 SETPLL(sc, RADEON_PPLL_CNTL,
1788 RADEON_PPLL_REFCLK_SEL |
1789 RADEON_PPLL_FBCLK_SEL |
1790 RADEON_PPLL_RESET |
1791 RADEON_PPLL_ATOMIC_UPDATE_EN |
1792 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1793
1794 /* select clock 3 */
1795 #if 0
1796 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
1797 ~RADEON_PLL_DIV_SEL);
1798 #else
1799 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1800 ~RADEON_PLL_DIV_SEL);
1801 #endif
1802
1803 /* XXX: R300 family -- program divider differently? */
1804
1805 /* program reference divider */
1806 PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
1807 ~RADEON_PPLL_REF_DIV_MASK);
1808 PRINTPLL(RADEON_PPLL_REF_DIV);
1809
1810 #if 0
1811 data = GETPLL(sc, RADEON_PPLL_DIV_3);
1812 data &= ~(RADEON_PPLL_FB3_DIV_MASK |
1813 RADEON_PPLL_POST3_DIV_MASK);
1814 data |= pbit;
1815 data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1816 PUTPLL(sc, RADEON_PPLL_DIV_3, data);
1817 #else
1818 for (i = 0; i < 4; i++) {
1819 }
1820 #endif
1821
1822 /* use the atomic update */
1823 radeonfb_pllwriteupdate(sc, crtc);
1824
1825 /* and wait for it to complete */
1826 radeonfb_pllwaitatomicread(sc, crtc);
1827
1828 /* program HTOTAL (why?) */
1829 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1830
1831 /* drop reset */
1832 CLRPLL(sc, RADEON_PPLL_CNTL,
1833 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
1834 RADEON_PPLL_ATOMIC_UPDATE_EN |
1835 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1836
1837 PRINTPLL(RADEON_PPLL_CNTL);
1838
1839 /* give clock time to lock */
1840 delay(50000);
1841
1842 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1843 RADEON_VCLK_SRC_SEL_PPLLCLK,
1844 ~RADEON_VCLK_SRC_SEL_MASK);
1845
1846 } else {
1847
1848 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1849 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
1850 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1851
1852 /* put vclk into reset, use atomic updates */
1853 SETPLL(sc, RADEON_P2PLL_CNTL,
1854 RADEON_P2PLL_RESET |
1855 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1856 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1857
1858 /* XXX: R300 family -- program divider differently? */
1859
1860 /* program reference divider */
1861 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
1862 ~RADEON_P2PLL_REF_DIV_MASK);
1863
1864 /* program feedback and post dividers */
1865 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
1866 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
1867 RADEON_P2PLL_POST0_DIV_MASK);
1868 data |= pbit;
1869 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
1870 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
1871
1872 /* use the atomic update */
1873 radeonfb_pllwriteupdate(sc, crtc);
1874
1875 /* and wait for it to complete */
1876 radeonfb_pllwaitatomicread(sc, crtc);
1877
1878 /* program HTOTAL (why?) */
1879 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
1880
1881 /* drop reset */
1882 CLRPLL(sc, RADEON_P2PLL_CNTL,
1883 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
1884 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1885 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1886
1887 /* allow time for clock to lock */
1888 delay(50000);
1889
1890 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1891 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
1892 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1893 }
1894 PRINTREG(RADEON_CRTC_MORE_CNTL);
1895 }
1896
1897 void
1898 radeonfb_modeswitch(struct radeonfb_display *dp)
1899 {
1900 struct radeonfb_softc *sc = dp->rd_softc;
1901 int i;
1902
1903 /* blank the display while we switch modes */
1904 radeonfb_blank(dp, 1);
1905
1906 #if 0
1907 SET32(sc, RADEON_CRTC_EXT_CNTL,
1908 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1909 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1910 #endif
1911
1912 /* these registers might get in the way... */
1913 PUT32(sc, RADEON_OVR_CLR, 0);
1914 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
1915 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
1916 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
1917 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
1918 PUT32(sc, RADEON_VIPH_CONTROL, 0);
1919 PUT32(sc, RADEON_I2C_CNTL_1, 0);
1920 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
1921 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
1922 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
1923 PUT32(sc, RADEON_SURFACE_CNTL, 0);
1924
1925 for (i = 0; i < dp->rd_ncrtcs; i++)
1926 radeonfb_setcrtc(dp, i);
1927
1928 /* activate the display */
1929 radeonfb_blank(dp, 0);
1930 }
1931
1932 void
1933 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
1934 {
1935 int crtc;
1936 struct videomode *mode;
1937 struct radeonfb_softc *sc;
1938 struct radeonfb_crtc *cp;
1939 uint32_t v;
1940 uint32_t gencntl;
1941 uint32_t htotaldisp;
1942 uint32_t hsyncstrt;
1943 uint32_t vtotaldisp;
1944 uint32_t vsyncstrt;
1945 uint32_t fphsyncstrt;
1946 uint32_t fpvsyncstrt;
1947 uint32_t fphtotaldisp;
1948 uint32_t fpvtotaldisp;
1949 uint32_t pitch;
1950
1951 sc = dp->rd_softc;
1952 cp = &dp->rd_crtcs[index];
1953 crtc = cp->rc_number;
1954 mode = &cp->rc_videomode;
1955
1956 #if 1
1957 pitch = (((dp->rd_virtx * dp->rd_bpp) + ((dp->rd_bpp * 8) - 1)) /
1958 (dp->rd_bpp * 8));
1959 #else
1960 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
1961 (sc->sc_maxbpp * 8));
1962 #endif
1963 //pitch = pitch | (pitch << 16);
1964
1965 switch (crtc) {
1966 case 0:
1967 gencntl = RADEON_CRTC_GEN_CNTL;
1968 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
1969 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
1970 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
1971 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
1972 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
1973 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
1974 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
1975 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
1976 break;
1977 case 1:
1978 gencntl = RADEON_CRTC2_GEN_CNTL;
1979 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
1980 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
1981 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
1982 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
1983 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
1984 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
1985 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
1986 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
1987 break;
1988 default:
1989 panic("Bad CRTC!");
1990 break;
1991 }
1992
1993 /*
1994 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
1995 */
1996 /* only bother with 32bpp and 8bpp */
1997 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
1998
1999 if (crtc == 1) {
2000 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2001 } else {
2002 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2003 }
2004
2005 if (mode->flags & VID_DBLSCAN)
2006 v |= RADEON_CRTC2_DBL_SCAN_EN;
2007
2008 if (mode->flags & VID_INTERLACE)
2009 v |= RADEON_CRTC2_INTERLACE_EN;
2010
2011 if (mode->flags & VID_CSYNC) {
2012 v |= RADEON_CRTC2_CSYNC_EN;
2013 if (crtc == 1)
2014 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2015 }
2016
2017 PUT32(sc, gencntl, v);
2018 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2019
2020 /*
2021 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2022 */
2023 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2024 if (crtc == 0) {
2025 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2026 RADEON_CRTC_DISPLAY_DIS);
2027 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2028 if (mode->flags & VID_CSYNC)
2029 v |= RADEON_CRTC_VSYNC_TRISTAT;
2030 }
2031 /* unconditional turn on CRT, in case first CRTC is DFP */
2032 v |= RADEON_CRTC_CRT_ON;
2033 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2034 PRINTREG(RADEON_CRTC_EXT_CNTL);
2035
2036 /*
2037 * H_TOTAL_DISP
2038 */
2039 v = ((mode->hdisplay / 8) - 1) << 16;
2040 v |= (mode->htotal / 8) - 1;
2041 PUT32(sc, htotaldisp, v);
2042 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2043 PUT32(sc, fphtotaldisp, v);
2044 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2045
2046 /*
2047 * H_SYNC_STRT_WID
2048 */
2049 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2050 v |= mode->hsync_start;
2051 if (mode->flags & VID_NHSYNC)
2052 v |= RADEON_CRTC_H_SYNC_POL;
2053 PUT32(sc, hsyncstrt, v);
2054 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2055 PUT32(sc, fphsyncstrt, v);
2056 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2057
2058 /*
2059 * V_TOTAL_DISP
2060 */
2061 v = ((mode->vdisplay - 1) << 16);
2062 v |= (mode->vtotal - 1);
2063 PUT32(sc, vtotaldisp, v);
2064 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2065 PUT32(sc, fpvtotaldisp, v);
2066 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2067
2068 /*
2069 * V_SYNC_STRT_WID
2070 */
2071 v = ((mode->vsync_end - mode->vsync_start) << 16);
2072 v |= (mode->vsync_start - 1);
2073 if (mode->flags & VID_NVSYNC)
2074 v |= RADEON_CRTC_V_SYNC_POL;
2075 PUT32(sc, vsyncstrt, v);
2076 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2077 PUT32(sc, fpvsyncstrt, v);
2078 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2079
2080 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2081
2082 switch (crtc) {
2083 case 0:
2084 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2085 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2086 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2087 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2088
2089 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2090 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2091 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2092 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2093 PRINTREG(RADEON_CRTC_EXT_CNTL);
2094 PRINTREG(RADEON_CRTC_GEN_CNTL);
2095 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2096 break;
2097
2098 case 1:
2099 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2100 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2101 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2102 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2103 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2104 RADEON_CRTC2_VSYNC_DIS |
2105 RADEON_CRTC2_HSYNC_DIS |
2106 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2107 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2108 break;
2109 }
2110 }
2111
2112 int
2113 radeonfb_isblank(struct radeonfb_display *dp)
2114 {
2115 uint32_t reg, mask;
2116
2117 if (dp->rd_crtcs[0].rc_number) {
2118 reg = RADEON_CRTC2_GEN_CNTL;
2119 mask = RADEON_CRTC2_DISP_DIS;
2120 } else {
2121 reg = RADEON_CRTC_EXT_CNTL;
2122 mask = RADEON_CRTC_DISPLAY_DIS;
2123 }
2124 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2125 }
2126
2127 void
2128 radeonfb_blank(struct radeonfb_display *dp, int blank)
2129 {
2130 struct radeonfb_softc *sc = dp->rd_softc;
2131 uint32_t reg, mask;
2132 uint32_t fpreg, fpval;
2133 int i;
2134
2135 for (i = 0; i < dp->rd_ncrtcs; i++) {
2136
2137 if (dp->rd_crtcs[i].rc_number) {
2138 reg = RADEON_CRTC2_GEN_CNTL;
2139 mask = RADEON_CRTC2_DISP_DIS;
2140 fpreg = RADEON_FP2_GEN_CNTL;
2141 fpval = RADEON_FP2_ON;
2142 } else {
2143 reg = RADEON_CRTC_EXT_CNTL;
2144 mask = RADEON_CRTC_DISPLAY_DIS;
2145 fpreg = RADEON_FP_GEN_CNTL;
2146 fpval = RADEON_FP_FPON;
2147 }
2148
2149 if (blank) {
2150 SET32(sc, reg, mask);
2151 CLR32(sc, fpreg, fpval);
2152 } else {
2153 CLR32(sc, reg, mask);
2154 SET32(sc, fpreg, fpval);
2155 }
2156 }
2157 PRINTREG(RADEON_FP_GEN_CNTL);
2158 PRINTREG(RADEON_FP2_GEN_CNTL);
2159 }
2160
2161 void
2162 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2163 long *defattr)
2164 {
2165 struct radeonfb_display *dp = cookie;
2166 struct rasops_info *ri = &scr->scr_ri;
2167
2168 /* initialize font subsystem */
2169 wsfont_init();
2170
2171 DPRINTF(("init screen called, existing %d\n", existing));
2172
2173 ri->ri_depth = dp->rd_bpp;
2174 ri->ri_width = dp->rd_virtx;
2175 ri->ri_height = dp->rd_virty;
2176 ri->ri_stride = dp->rd_stride;
2177 ri->ri_flg = RI_CENTER;
2178 ri->ri_bits = (void *)dp->rd_fbptr;
2179
2180 /* XXX: 32 bpp only */
2181 /* this is rgb in "big-endian order..." */
2182 ri->ri_rnum = 8;
2183 ri->ri_gnum = 8;
2184 ri->ri_bnum = 8;
2185 ri->ri_rpos = 16;
2186 ri->ri_gpos = 8;
2187 ri->ri_bpos = 0;
2188
2189 if (existing) {
2190 ri->ri_flg |= RI_CLEAR;
2191
2192 /* start a modeswitch now */
2193 radeonfb_modeswitch(dp);
2194 }
2195
2196 /*
2197 * XXX: font selection should be based on properties, with some
2198 * normal/reasonable default.
2199 */
2200 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_REVERSE;
2201
2202 /* initialize and look for an initial font */
2203 rasops_init(ri, dp->rd_virty/8, dp->rd_virtx/8);
2204
2205 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2206 dp->rd_virtx / ri->ri_font->fontwidth);
2207
2208 /* enable acceleration */
2209 dp->rd_putchar = ri->ri_ops.putchar;
2210 ri->ri_ops.copyrows = radeonfb_copyrows;
2211 ri->ri_ops.copycols = radeonfb_copycols;
2212 ri->ri_ops.eraserows = radeonfb_eraserows;
2213 ri->ri_ops.erasecols = radeonfb_erasecols;
2214 ri->ri_ops.allocattr = radeonfb_allocattr;
2215 if (!IS_R300(dp->rd_softc)) {
2216 ri->ri_ops.putchar = radeonfb_putchar;
2217 } else {
2218 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2219 }
2220 ri->ri_ops.cursor = radeonfb_cursor;
2221 }
2222
2223 void
2224 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2225 {
2226 uint32_t gen, ext, gen2 = 0;
2227 uint32_t agploc, aperbase, apersize, mcfbloc;
2228
2229 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2230 ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
2231 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2232 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2233 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2234
2235 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2236 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2237 //PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2238 //PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2239
2240 if (HAS_CRTC2(sc)) {
2241 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2242 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2243 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2244 }
2245
2246 delay(100000);
2247
2248 mcfbloc = (aperbase >> 16) |
2249 ((aperbase + (apersize - 1)) & 0xffff0000);
2250
2251 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2252 sc->sc_memsz = apersize;
2253
2254 if (((agploc & 0xffff) << 16) !=
2255 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2256 agploc = mcfbloc & 0xffff0000U;
2257 agploc |= ((agploc + 0x10000) >> 16);
2258 }
2259
2260 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2261
2262 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2263 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2264
2265 DPRINTF(("aperbase = %u\n", aperbase));
2266 PRINTREG(RADEON_MC_FB_LOCATION);
2267 PRINTREG(RADEON_MC_AGP_LOCATION);
2268
2269 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2270
2271 if (HAS_CRTC2(sc))
2272 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2273
2274 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2275
2276 #if 0
2277 /* XXX: what is this AGP garbage? :-) */
2278 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2279 #endif
2280
2281 delay(100000);
2282
2283 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2284 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2285
2286 if (HAS_CRTC2(sc))
2287 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2288 }
2289
2290 void
2291 radeonfb_init_misc(struct radeonfb_softc *sc)
2292 {
2293 PUT32(sc, RADEON_BUS_CNTL,
2294 RADEON_BUS_MASTER_DIS |
2295 RADEON_BUS_PREFETCH_MODE_ACT |
2296 RADEON_BUS_PCI_READ_RETRY_EN |
2297 RADEON_BUS_PCI_WRT_RETRY_EN |
2298 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2299 RADEON_BUS_MSTR_RD_MULT |
2300 RADEON_BUS_MSTR_RD_LINE |
2301 RADEON_BUS_RD_DISCARD_EN |
2302 RADEON_BUS_MSTR_DISCONNECT_EN |
2303 RADEON_BUS_READ_BURST);
2304
2305 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2306 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2307 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2308 PUT32(sc, RADEON_RBBM_CNTL,
2309 (3 << RADEON_RB_SETTLE_SHIFT) |
2310 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2311 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2312 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2313
2314 /* XXX: figure out what these mean! */
2315 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2316 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2317 //PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2318
2319 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2320 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2321 }
2322
2323 /*
2324 * This loads a linear color map for true color.
2325 */
2326 void
2327 radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
2328 {
2329 int i;
2330 uint32_t vclk;
2331
2332 #define DAC_WIDTH ((1 << 10) - 1)
2333 #define CLUT_WIDTH ((1 << 8) - 1)
2334 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2335
2336 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2337 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2338
2339 if (crtc)
2340 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2341 else
2342 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2343
2344 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2345 if (sc->sc_displays[crtc].rd_bpp == 0)
2346 sc->sc_displays[crtc].rd_bpp = RADEONFB_DEFAULT_DEPTH;
2347
2348 if (sc->sc_displays[crtc].rd_bpp == 8) {
2349 /* ANSI palette */
2350 int j = 0;
2351
2352 for (i = 0; i <= CLUT_WIDTH; ++i) {
2353 PUT32(sc, RADEON_PALETTE_30_DATA,
2354 (rasops_cmap[j] << 22) |
2355 (rasops_cmap[j + 1] << 12) |
2356 (rasops_cmap[j + 2] << 2));
2357 j += 3;
2358 }
2359 } else {
2360 /* linear ramp */
2361 for (i = 0; i <= CLUT_WIDTH; ++i) {
2362 PUT32(sc, RADEON_PALETTE_30_DATA,
2363 (CLUT_COLOR(i) << 10) |
2364 (CLUT_COLOR(i) << 20) |
2365 (CLUT_COLOR(i)));
2366 }
2367 }
2368
2369 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2370 PRINTREG(RADEON_DAC_CNTL2);
2371
2372 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2373 }
2374
2375 /*
2376 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2377 */
2378 void
2379 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2380 {
2381 uint32_t tmp, save;
2382
2383 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2384 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2385 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2386 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2387 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2388 }
2389
2390 /*
2391 * Acceleration entry points.
2392 */
2393 static void
2394 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2395 {
2396 struct rasops_info *ri = cookie;
2397 struct vcons_screen *scr = ri->ri_hw;
2398 struct radeonfb_display *dp = scr->scr_cookie;
2399 struct wsdisplay_font *font = PICK_FONT(ri, c);
2400 uint32_t x, y, w, h;
2401 uint32_t bg, fg, flg;
2402 uint8_t *data;
2403
2404 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2405 return;
2406
2407 if (!CHAR_IN_FONT(c, font))
2408 return;
2409
2410 w = font->fontwidth;
2411 h = font->fontheight;
2412
2413 flg = attr & 0xff;
2414 if (flg & WSATTR_REVERSE) {
2415 fg = ri->ri_devcmap[(attr >> 16) & 0xf];
2416 bg = ri->ri_devcmap[(attr >> 24) & 0xf];
2417 } else {
2418 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2419 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2420 }
2421
2422 x = ri->ri_xorigin + col * w;
2423 y = ri->ri_yorigin + row * h;
2424
2425 if (c == 0x20) {
2426 radeonfb_rectfill(dp, x, y, w, h, bg);
2427 } else {
2428 data = (uint8_t *)font->data +
2429 (c - font->firstchar) * ri->ri_fontscale;
2430
2431 radeonfb_setup_mono(dp, x, y, w, h, fg, bg);
2432 radeonfb_feed_bytes(dp, ri->ri_fontscale, data);
2433 }
2434 }
2435
2436 /*
2437 * wrapper for software character drawing
2438 * just sync the engine and call rasops*_putchar()
2439 */
2440
2441 static void
2442 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
2443 {
2444 struct rasops_info *ri = cookie;
2445 struct vcons_screen *scr = ri->ri_hw;
2446 struct radeonfb_display *dp = scr->scr_cookie;
2447
2448 radeonfb_engine_idle(dp->rd_softc);
2449 dp->rd_putchar(ri, row, col, c, attr);
2450 }
2451
2452 static void
2453 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2454 {
2455 struct rasops_info *ri = cookie;
2456 struct vcons_screen *scr = ri->ri_hw;
2457 struct radeonfb_display *dp = scr->scr_cookie;
2458 uint32_t x, y, w, h, fg, bg, ul;
2459
2460 /* XXX: check for full emulation mode? */
2461 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2462 x = ri->ri_xorigin;
2463 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2464 w = ri->ri_emuwidth;
2465 h = ri->ri_font->fontheight * nrows;
2466
2467 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2468 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2469 }
2470 }
2471
2472 static void
2473 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
2474 {
2475 struct rasops_info *ri = cookie;
2476 struct vcons_screen *scr = ri->ri_hw;
2477 struct radeonfb_display *dp = scr->scr_cookie;
2478 uint32_t x, ys, yd, w, h;
2479
2480 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2481 x = ri->ri_xorigin;
2482 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
2483 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
2484 w = ri->ri_emuwidth;
2485 h = ri->ri_font->fontheight * nrows;
2486 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
2487 RADEON_ROP3_S, 0xffffffff);
2488 }
2489 }
2490
2491 static void
2492 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
2493 {
2494 struct rasops_info *ri = cookie;
2495 struct vcons_screen *scr = ri->ri_hw;
2496 struct radeonfb_display *dp = scr->scr_cookie;
2497 uint32_t xs, xd, y, w, h;
2498
2499 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2500 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
2501 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
2502 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2503 w = ri->ri_font->fontwidth * ncols;
2504 h = ri->ri_font->fontheight;
2505 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
2506 RADEON_ROP3_S, 0xffffffff);
2507 }
2508 }
2509
2510 static void
2511 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
2512 long fillattr)
2513 {
2514 struct rasops_info *ri = cookie;
2515 struct vcons_screen *scr = ri->ri_hw;
2516 struct radeonfb_display *dp = scr->scr_cookie;
2517 uint32_t x, y, w, h, fg, bg, ul;
2518
2519 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2520 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
2521 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2522 w = ri->ri_font->fontwidth * ncols;
2523 h = ri->ri_font->fontheight;
2524
2525 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2526 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2527 }
2528 }
2529
2530 static void
2531 radeonfb_cursor(void *cookie, int on, int row, int col)
2532 {
2533 struct rasops_info *ri = cookie;
2534 struct vcons_screen *scr = ri->ri_hw;
2535 struct radeonfb_display *dp = scr->scr_cookie;
2536 int x, y, wi, he;
2537
2538 wi = ri->ri_font->fontwidth;
2539 he = ri->ri_font->fontheight;
2540
2541 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2542 x = ri->ri_ccol * wi + ri->ri_xorigin;
2543 y = ri->ri_crow * he + ri->ri_yorigin;
2544 /* first turn off the old cursor */
2545 if (ri->ri_flg & RI_CURSOR) {
2546 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2547 RADEON_ROP3_Dn, 0xffffffff);
2548 ri->ri_flg &= ~RI_CURSOR;
2549 }
2550 ri->ri_crow = row;
2551 ri->ri_ccol = col;
2552 /* then (possibly) turn on the new one */
2553 if (on) {
2554 x = ri->ri_ccol * wi + ri->ri_xorigin;
2555 y = ri->ri_crow * he + ri->ri_yorigin;
2556 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2557 RADEON_ROP3_Dn, 0xffffffff);
2558 ri->ri_flg |= RI_CURSOR;
2559 }
2560 } else {
2561 scr->scr_ri.ri_crow = row;
2562 scr->scr_ri.ri_ccol = col;
2563 scr->scr_ri.ri_flg &= ~RI_CURSOR;
2564 }
2565 }
2566
2567 static int
2568 radeonfb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
2569 {
2570 if ((fg == 0) && (bg == 0)) {
2571 fg = WS_DEFAULT_FG;
2572 bg = WS_DEFAULT_BG;
2573 }
2574 *attrp = ((fg & 0xf) << 24) | ((bg & 0xf) << 16) | (flags & 0xff) << 8;
2575 return 0;
2576 }
2577
2578 /*
2579 * Underlying acceleration support.
2580 */
2581 static void
2582 radeonfb_setup_mono(struct radeonfb_display *dp, int xd, int yd, int width,
2583 int height, uint32_t fg, uint32_t bg)
2584 {
2585 struct radeonfb_softc *sc = dp->rd_softc;
2586 uint32_t gmc;
2587 uint32_t padded_width = (width+7) & 0xfff8;
2588 uint32_t topleft, bottomright;
2589
2590 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2591
2592 if (width != padded_width) {
2593
2594 radeonfb_wait_fifo(sc, 2);
2595 topleft = ((yd << 16) & 0x1fff0000) | (xd & 0x1fff);
2596 bottomright = (((yd + height) << 16) & 0x1fff0000) |
2597 ((xd + width) & 0x1fff);
2598 PUT32(sc, RADEON_SC_TOP_LEFT, topleft);
2599 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, bottomright);
2600 }
2601
2602 radeonfb_wait_fifo(sc, 5);
2603
2604 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2605 RADEON_GMC_BRUSH_NONE |
2606 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2607 //RADEON_GMC_BYTE_LSB_TO_MSB |
2608 RADEON_GMC_DST_CLIPPING |
2609 RADEON_ROP3_S |
2610 RADEON_DP_SRC_SOURCE_HOST_DATA |
2611 RADEON_GMC_CLR_CMP_CNTL_DIS |
2612 RADEON_GMC_WR_MSK_DIS |
2613 gmc);
2614
2615 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2616 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2617
2618 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2619 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (padded_width << 16) | height);
2620
2621 }
2622
2623 static void
2624 radeonfb_feed_bytes(struct radeonfb_display *dp, int count, uint8_t *data)
2625 {
2626 struct radeonfb_softc *sc = dp->rd_softc;
2627 int i;
2628 uint32_t latch = 0;
2629 int shift = 0;
2630
2631 for (i = 0; i < count; i++) {
2632 latch |= (data[i] << shift);
2633 if (shift == 24) {
2634 radeonfb_wait_fifo(sc, 1);
2635 PUT32(sc, RADEON_HOST_DATA0, latch);
2636 latch = 0;
2637 shift = 0;
2638 } else
2639 shift += 8;
2640 }
2641 if (shift != 0) {
2642 radeonfb_wait_fifo(sc, 1);
2643 PUT32(sc, RADEON_HOST_DATA0, latch);
2644 }
2645 radeonfb_unclip(sc);
2646 }
2647
2648 static void
2649 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
2650 int width, int height, uint32_t color)
2651 {
2652 struct radeonfb_softc *sc = dp->rd_softc;
2653 uint32_t gmc;
2654
2655 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2656
2657 radeonfb_wait_fifo(sc, 6);
2658
2659 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2660 RADEON_GMC_BRUSH_SOLID_COLOR |
2661 RADEON_GMC_SRC_DATATYPE_COLOR |
2662 RADEON_GMC_CLR_CMP_CNTL_DIS |
2663 RADEON_ROP3_P | gmc);
2664
2665 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
2666 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2667 PUT32(sc, RADEON_DP_CNTL,
2668 RADEON_DST_X_LEFT_TO_RIGHT |
2669 RADEON_DST_Y_TOP_TO_BOTTOM);
2670 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2671 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2672
2673 /*
2674 * XXX: we don't wait for the fifo to empty -- that would slow
2675 * things down! The linux radeonfb driver waits, but xfree doesn't
2676 */
2677 /* XXX: for now we do, to make it safe for direct drawing */
2678 radeonfb_engine_idle(sc);
2679 }
2680
2681 static void
2682 radeonfb_bitblt(struct radeonfb_display *dp, int srcx, int srcy,
2683 int dstx, int dsty, int width, int height, int rop, uint32_t mask)
2684 {
2685 struct radeonfb_softc *sc = dp->rd_softc;
2686 uint32_t gmc;
2687 uint32_t dir;
2688
2689 if (dsty < srcy) {
2690 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
2691 } else {
2692 srcy += height - 1;
2693 dsty += height - 1;
2694 dir = 0;
2695 }
2696 if (dstx < srcx) {
2697 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
2698 } else {
2699 srcx += width - 1;
2700 dstx += width - 1;
2701 }
2702
2703 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2704
2705 radeonfb_wait_fifo(sc, 6);
2706
2707 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2708 //RADEON_GMC_SRC_CLIPPING |
2709 RADEON_GMC_BRUSH_SOLID_COLOR |
2710 RADEON_GMC_SRC_DATATYPE_COLOR |
2711 RADEON_GMC_CLR_CMP_CNTL_DIS |
2712 RADEON_DP_SRC_SOURCE_MEMORY |
2713 rop | gmc);
2714
2715 PUT32(sc, RADEON_DP_WRITE_MASK, mask);
2716 PUT32(sc, RADEON_DP_CNTL, dir);
2717 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
2718 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2719 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2720
2721 /*
2722 * XXX: we don't wait for the fifo to empty -- that would slow
2723 * things down! The linux radeonfb driver waits, but xfree doesn't
2724 */
2725 /* XXX: for now we do, to make it safe for direct drawing */
2726 radeonfb_engine_idle(sc);
2727 }
2728
2729 static void
2730 radeonfb_engine_idle(struct radeonfb_softc *sc)
2731 {
2732 int i;
2733
2734 radeonfb_wait_fifo(sc, 64);
2735 for (i = RADEON_TIMEOUT; i; i--) {
2736 if ((GET32(sc, RADEON_RBBM_STATUS) &
2737 RADEON_RBBM_ACTIVE) == 0) {
2738 radeonfb_engine_flush(sc);
2739 break;
2740 }
2741 }
2742 }
2743
2744 static void
2745 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
2746 {
2747 int i;
2748
2749 for (i = RADEON_TIMEOUT; i; i--) {
2750 if ((GET32(sc, RADEON_RBBM_STATUS) &
2751 RADEON_RBBM_FIFOCNT_MASK) >= n)
2752 return;
2753 }
2754 #ifdef DIAGNOSTIC
2755 if (!i)
2756 printf("%s: timed out waiting for fifo (%x)\n",
2757 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
2758 #endif
2759 }
2760
2761 static void
2762 radeonfb_engine_flush(struct radeonfb_softc *sc)
2763 {
2764 int i;
2765 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL);
2766 for (i = RADEON_TIMEOUT; i; i--) {
2767 if ((GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
2768 RADEON_RB2D_DC_BUSY) == 0)
2769 break;
2770 }
2771 #ifdef DIAGNOSTIC
2772 if (!i)
2773 printf("%s: engine flush timed out!\n", XNAME(sc));
2774 #endif
2775 }
2776
2777 static inline void
2778 radeonfb_unclip(struct radeonfb_softc *sc)
2779 {
2780
2781 radeonfb_wait_fifo(sc, 2);
2782 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
2783 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
2784 }
2785
2786 static void
2787 radeonfb_engine_init(struct radeonfb_display *dp)
2788 {
2789 struct radeonfb_softc *sc = dp->rd_softc;
2790 uint32_t pitch;
2791 volatile uint32_t junk;
2792
2793 /* no 3D */
2794 PUT32(sc, RADEON_RB3D_CNTL, 0);
2795
2796 radeonfb_engine_reset(sc);
2797 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
2798 //pitch = ((sc->sc_maxx * (sc->sc_maxbpp / 8) + 0x3f)) >> 6;
2799
2800 radeonfb_wait_fifo(sc, 1);
2801 if (!IS_R300(sc))
2802 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
2803
2804 radeonfb_wait_fifo(sc, 3);
2805 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
2806 (pitch << 22) | (sc->sc_aperbase >> 10));
2807
2808
2809 PUT32(sc, RADEON_DST_PITCH_OFFSET,
2810 (pitch << 22) | (sc->sc_aperbase >> 10));
2811 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
2812 (pitch << 22) | (sc->sc_aperbase >> 10));
2813
2814 radeonfb_wait_fifo(sc, 1);
2815 #if _BYTE_ORDER == _BIG_ENDIAN
2816 SET32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2817 #else
2818 CLR32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
2819 #endif
2820 junk = GET32(sc, RADEON_DP_DATATYPE);
2821
2822 /* default scissors -- no clipping */
2823 radeonfb_wait_fifo(sc, 1);
2824 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
2825 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
2826
2827 radeonfb_wait_fifo(sc, 1);
2828 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2829 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
2830 RADEON_GMC_CLR_CMP_CNTL_DIS |
2831 RADEON_GMC_BRUSH_SOLID_COLOR |
2832 RADEON_GMC_SRC_DATATYPE_COLOR);
2833
2834 radeonfb_wait_fifo(sc, 7);
2835 PUT32(sc, RADEON_DST_LINE_START, 0);
2836 PUT32(sc, RADEON_DST_LINE_END, 0);
2837 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
2838 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
2839 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
2840 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
2841 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2842
2843 radeonfb_engine_idle(sc);
2844 }
2845
2846 static void
2847 radeonfb_engine_reset(struct radeonfb_softc *sc)
2848 {
2849 uint32_t hpc, rbbm, mclkcntl, clkindex;
2850
2851 radeonfb_engine_flush(sc);
2852
2853 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2854 if (HAS_R300CG(sc))
2855 radeonfb_r300cg_workaround(sc);
2856 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
2857
2858 /*
2859 * According to comments in XFree code, resetting the HDP via
2860 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
2861 * So we use HOST_PATH_CNTL instead.
2862 */
2863
2864 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
2865 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
2866 if (IS_R300(sc)) {
2867 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2868 RADEON_SOFT_RESET_CP |
2869 RADEON_SOFT_RESET_HI |
2870 RADEON_SOFT_RESET_E2);
2871 GET32(sc, RADEON_RBBM_SOFT_RESET);
2872 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
2873 /*
2874 * XXX: this bit is not defined in any ATI docs I have,
2875 * nor in the XFree code, but XFree does it. Why?
2876 */
2877 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
2878 } else {
2879 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
2880 RADEON_SOFT_RESET_CP |
2881 RADEON_SOFT_RESET_SE |
2882 RADEON_SOFT_RESET_RE |
2883 RADEON_SOFT_RESET_PP |
2884 RADEON_SOFT_RESET_E2 |
2885 RADEON_SOFT_RESET_RB);
2886 GET32(sc, RADEON_RBBM_SOFT_RESET);
2887 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
2888 ~(RADEON_SOFT_RESET_CP |
2889 RADEON_SOFT_RESET_SE |
2890 RADEON_SOFT_RESET_RE |
2891 RADEON_SOFT_RESET_PP |
2892 RADEON_SOFT_RESET_E2 |
2893 RADEON_SOFT_RESET_RB));
2894 GET32(sc, RADEON_RBBM_SOFT_RESET);
2895 }
2896
2897 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
2898 GET32(sc, RADEON_HOST_PATH_CNTL);
2899 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
2900
2901 if (IS_R300(sc))
2902 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
2903
2904 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
2905 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
2906
2907 if (HAS_R300CG(sc))
2908 radeonfb_r300cg_workaround(sc);
2909 }
2910
2911 static int
2912 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
2913 {
2914 int x, y;
2915
2916 x = pos->x;
2917 y = pos->y;
2918
2919 /*
2920 * This doesn't let a cursor move off the screen. I'm not
2921 * sure if this will have negative effects for e.g. Xinerama.
2922 * I'd guess Xinerama handles it by changing the cursor shape,
2923 * but that needs verification.
2924 */
2925 if (x >= dp->rd_virtx)
2926 x = dp->rd_virtx - 1;
2927 if (x < 0)
2928 x = 0;
2929 if (y >= dp->rd_virty)
2930 y = dp->rd_virty - 1;
2931 if (y < 0)
2932 y = 0;
2933
2934 dp->rd_cursor.rc_pos.x = x;
2935 dp->rd_cursor.rc_pos.y = y;
2936
2937 radeonfb_cursor_position(dp);
2938 return 0;
2939 }
2940
2941 static int
2942 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
2943 {
2944 unsigned flags;
2945
2946 uint8_t r[2], g[2], b[2];
2947 unsigned index, count;
2948 int i, err;
2949 int pitch, size;
2950 struct radeonfb_cursor nc;
2951
2952 flags = wc->which;
2953
2954 /* copy old values */
2955 nc = dp->rd_cursor;
2956
2957 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
2958 index = wc->cmap.index;
2959 count = wc->cmap.count;
2960
2961 if (index >= 2 || (index + count) > 2)
2962 return EINVAL;
2963
2964 err = copyin(wc->cmap.red, &r[index], count);
2965 if (err)
2966 return err;
2967 err = copyin(wc->cmap.green, &g[index], count);
2968 if (err)
2969 return err;
2970 err = copyin(wc->cmap.blue, &b[index], count);
2971 if (err)
2972 return err;
2973
2974 for (i = index; i < index + count; i++) {
2975 nc.rc_cmap[i] =
2976 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
2977 }
2978 }
2979
2980 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
2981 if ((wc->size.x > RADEON_CURSORMAXX) ||
2982 (wc->size.y > RADEON_CURSORMAXY))
2983 return EINVAL;
2984
2985 /* figure bytes per line */
2986 pitch = (wc->size.x + 7) / 8;
2987 size = pitch * wc->size.y;
2988
2989 /* clear the old cursor and mask */
2990 memset(nc.rc_image, 0, 512);
2991 memset(nc.rc_mask, 0, 512);
2992
2993 nc.rc_size = wc->size;
2994
2995 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
2996 return err;
2997
2998 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
2999 return err;
3000 }
3001
3002 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3003 nc.rc_hot = wc->hot;
3004 if (nc.rc_hot.x >= nc.rc_size.x)
3005 nc.rc_hot.x = nc.rc_size.x - 1;
3006 if (nc.rc_hot.y >= nc.rc_size.y)
3007 nc.rc_hot.y = nc.rc_size.y - 1;
3008 }
3009
3010 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3011 nc.rc_pos = wc->pos;
3012 if (nc.rc_pos.x >= dp->rd_virtx)
3013 nc.rc_pos.x = dp->rd_virtx - 1;
3014 #if 0
3015 if (nc.rc_pos.x < 0)
3016 nc.rc_pos.x = 0;
3017 #endif
3018 if (nc.rc_pos.y >= dp->rd_virty)
3019 nc.rc_pos.y = dp->rd_virty - 1;
3020 #if 0
3021 if (nc.rc_pos.y < 0)
3022 nc.rc_pos.y = 0;
3023 #endif
3024 }
3025 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3026 nc.rc_visible = wc->enable;
3027 }
3028
3029 dp->rd_cursor = nc;
3030 radeonfb_cursor_update(dp, wc->which);
3031
3032 return 0;
3033 }
3034
3035 /*
3036 * Change the cursor shape. Call this with the cursor locked to avoid
3037 * flickering/tearing.
3038 */
3039 static void
3040 radeonfb_cursor_shape(struct radeonfb_display *dp)
3041 {
3042 uint8_t and[512], xor[512];
3043 int i, j, src, dst, pitch;
3044 const uint8_t *msk = dp->rd_cursor.rc_mask;
3045 const uint8_t *img = dp->rd_cursor.rc_image;
3046
3047 /*
3048 * Radeon cursor data interleaves one line of AND data followed
3049 * by a line of XOR data. (Each line corresponds to a whole hardware
3050 * pitch - i.e. 64 pixels or 8 bytes.)
3051 *
3052 * The cursor is displayed using the following table:
3053 *
3054 * AND XOR Result
3055 * ----------------------
3056 * 0 0 Cursor color 0
3057 * 0 1 Cursor color 1
3058 * 1 0 Transparent
3059 * 1 1 Complement of background
3060 *
3061 * Our masks are therefore different from what we were passed.
3062 * Passed in, I'm assuming the data represents either color 0 or 1,
3063 * and a mask, so the passed in table looks like:
3064 *
3065 * IMG Mask Result
3066 * -----------------------
3067 * 0 0 Transparent
3068 * 0 1 Cursor color 0
3069 * 1 0 Transparent
3070 * 1 1 Cursor color 1
3071 *
3072 * IF mask bit == 1, AND = 0, XOR = color.
3073 * IF mask bit == 0, AND = 1, XOR = 0.
3074 *
3075 * hence: AND = ~(mask); XOR = color & ~(mask);
3076 */
3077
3078 pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
3079
3080 /* start by assuming all bits are transparent */
3081 memset(and, 0xff, 512);
3082 memset(xor, 0x00, 512);
3083
3084 src = 0;
3085 dst = 0;
3086 for (i = 0; i < 64; i++) {
3087 for (j = 0; j < 64; j += 8) {
3088 if ((i < dp->rd_cursor.rc_size.y) &&
3089 (j < dp->rd_cursor.rc_size.x)) {
3090
3091 /* take care to leave odd bits alone */
3092 and[dst] &= ~(msk[src]);
3093 xor[dst] = img[src] & msk[src];
3094 src++;
3095 }
3096 dst++;
3097 }
3098 }
3099
3100 /* copy the image into place */
3101 for (i = 0; i < 64; i++) {
3102 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3103 &and[i * 8], 8);
3104 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3105 &xor[i * 8], 8);
3106 }
3107 }
3108
3109 static void
3110 radeonfb_cursor_position(struct radeonfb_display *dp)
3111 {
3112 struct radeonfb_softc *sc = dp->rd_softc;
3113 uint32_t offset, hvoff, hvpos; /* registers */
3114 uint32_t coff; /* cursor offset */
3115 int i, x, y, xoff, yoff, crtcoff;
3116
3117 /*
3118 * XXX: this also needs to handle pan/scan
3119 */
3120 for (i = 0; i < dp->rd_ncrtcs; i++) {
3121
3122 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3123
3124 if (rcp->rc_number) {
3125 offset = RADEON_CUR2_OFFSET;
3126 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3127 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3128 crtcoff = RADEON_CRTC2_OFFSET;
3129 } else {
3130 offset = RADEON_CUR_OFFSET;
3131 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3132 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3133 crtcoff = RADEON_CRTC_OFFSET;
3134 }
3135
3136 x = dp->rd_cursor.rc_pos.x;
3137 y = dp->rd_cursor.rc_pos.y;
3138
3139 while (y < rcp->rc_yoffset) {
3140 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3141 }
3142 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3143 rcp->rc_yoffset += RADEON_PANINCREMENT;
3144 }
3145 while (x < rcp->rc_xoffset) {
3146 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3147 }
3148 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3149 rcp->rc_xoffset += RADEON_PANINCREMENT;
3150 }
3151
3152 /* adjust for the cursor's hotspot */
3153 x -= dp->rd_cursor.rc_hot.x;
3154 y -= dp->rd_cursor.rc_hot.y;
3155 xoff = yoff = 0;
3156
3157 if (x >= dp->rd_virtx)
3158 x = dp->rd_virtx - 1;
3159 if (y >= dp->rd_virty)
3160 y = dp->rd_virty - 1;
3161
3162 /* now adjust cursor so it is relative to viewport */
3163 x -= rcp->rc_xoffset;
3164 y -= rcp->rc_yoffset;
3165
3166 /*
3167 * no need to check for fall off, because we should
3168 * never move off the screen entirely!
3169 */
3170 coff = 0;
3171 if (x < 0) {
3172 xoff = -x;
3173 x = 0;
3174 }
3175 if (y < 0) {
3176 yoff = -y;
3177 y = 0;
3178 coff = (yoff * 2) * 8;
3179 }
3180
3181 /* pan the display */
3182 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3183 rcp->rc_xoffset);
3184
3185 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3186 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3187 /* NB: this unlocks the cursor */
3188 PUT32(sc, hvpos, (x << 16) | y);
3189 }
3190 }
3191
3192 static void
3193 radeonfb_cursor_visible(struct radeonfb_display *dp)
3194 {
3195 int i;
3196 uint32_t gencntl, bit;
3197
3198 for (i = 0; i < dp->rd_ncrtcs; i++) {
3199 if (dp->rd_crtcs[i].rc_number) {
3200 gencntl = RADEON_CRTC2_GEN_CNTL;
3201 bit = RADEON_CRTC2_CUR_EN;
3202 } else {
3203 gencntl = RADEON_CRTC_GEN_CNTL;
3204 bit = RADEON_CRTC_CUR_EN;
3205 }
3206
3207 if (dp->rd_cursor.rc_visible)
3208 SET32(dp->rd_softc, gencntl, bit);
3209 else
3210 CLR32(dp->rd_softc, gencntl, bit);
3211 }
3212 }
3213
3214 static void
3215 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3216 {
3217 int i;
3218 uint32_t c0reg, c1reg;
3219 struct radeonfb_softc *sc = dp->rd_softc;
3220
3221 for (i = 0; i < dp->rd_ncrtcs; i++) {
3222 if (dp->rd_crtcs[i].rc_number) {
3223 c0reg = RADEON_CUR2_CLR0;
3224 c1reg = RADEON_CUR2_CLR1;
3225 } else {
3226 c0reg = RADEON_CUR_CLR0;
3227 c1reg = RADEON_CUR_CLR1;
3228 }
3229
3230 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3231 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3232 }
3233 }
3234
3235 static void
3236 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3237 {
3238 struct radeonfb_softc *sc;
3239 int i;
3240
3241 sc = dp->rd_softc;
3242 for (i = 0; i < dp->rd_ncrtcs; i++) {
3243 if (dp->rd_crtcs[i].rc_number) {
3244 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3245 } else {
3246 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3247 }
3248 }
3249
3250 if (which & WSDISPLAY_CURSOR_DOCMAP)
3251 radeonfb_cursor_cmap(dp);
3252
3253 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3254 radeonfb_cursor_shape(dp);
3255
3256 if (which & WSDISPLAY_CURSOR_DOCUR)
3257 radeonfb_cursor_visible(dp);
3258
3259 /* this one is unconditional, because it updates other stuff */
3260 radeonfb_cursor_position(dp);
3261 }
3262
3263 static struct videomode *
3264 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3265 {
3266 int r1, r2;
3267
3268 /* otherwise pick the higher refresh rate */
3269 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3270 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3271
3272 return (r1 < r2 ? m2 : m1);
3273 }
3274
3275 static const struct videomode *
3276 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3277 int x, int y)
3278 {
3279 struct edid_info *ep = &rp->rp_edid;
3280 struct videomode *vmp = NULL;
3281 int i;
3282
3283 if (!rp->rp_edid_valid) {
3284 /* fallback to safe mode */
3285 return radeonfb_modelookup(sc->sc_defaultmode);
3286 }
3287
3288 /* always choose the preferred mode first! */
3289 if (ep->edid_preferred_mode) {
3290
3291 /* XXX: add auto-stretching support for native mode */
3292
3293 /* this may want panning to occur, btw */
3294 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3295 (ep->edid_preferred_mode->vdisplay <= y))
3296 return ep->edid_preferred_mode;
3297 }
3298
3299 for (i = 0; i < ep->edid_nmodes; i++) {
3300 /*
3301 * We elect to pick a resolution that is too large for
3302 * the monitor than one that is too small. This means
3303 * that we will prefer to pan rather than to try to
3304 * center a smaller display on a larger screen. In
3305 * practice, this shouldn't matter because if a
3306 * monitor can support a larger resolution, it can
3307 * probably also support the smaller. A specific
3308 * exception is fixed format panels, but hopefully
3309 * they are properly dealt with by the "autostretch"
3310 * logic above.
3311 */
3312 if ((ep->edid_modes[i].hdisplay > x) ||
3313 (ep->edid_modes[i].vdisplay > y)) {
3314 continue;
3315 }
3316
3317 /*
3318 * at this point, the display mode is no larger than
3319 * what we've requested.
3320 */
3321 if (vmp == NULL)
3322 vmp = &ep->edid_modes[i];
3323
3324 /* eliminate smaller modes */
3325 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3326 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3327 continue;
3328
3329 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3330 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3331 vmp = &ep->edid_modes[i];
3332 continue;
3333 }
3334
3335 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3336 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3337
3338 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3339 }
3340
3341 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3342 }
3343
3344 static int
3345 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3346 {
3347 int i;
3348
3349 for (i = 0; i < nlist; i++) {
3350 if ((x == list[i].hdisplay) &&
3351 (y == list[i].vdisplay)) {
3352 return 1;
3353 }
3354 }
3355 return 0;
3356 }
3357
3358 static void
3359 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3360 int pan)
3361 {
3362 struct radeonfb_port *rp;
3363 struct edid_info *ep;
3364 int i, j;
3365
3366 *x = 0;
3367 *y = 0;
3368
3369 if (pan) {
3370 for (i = 0; i < dp->rd_ncrtcs; i++) {
3371 rp = dp->rd_crtcs[i].rc_port;
3372 ep = &rp->rp_edid;
3373 if (!rp->rp_edid_valid) {
3374 /* monitor not present */
3375 continue;
3376 }
3377
3378 /*
3379 * For now we are ignoring "conflict" that
3380 * could occur when mixing some modes like
3381 * 1280x1024 and 1400x800. It isn't clear
3382 * which is better, so the first one wins.
3383 */
3384 for (j = 0; j < ep->edid_nmodes; j++) {
3385 /*
3386 * ignore resolutions that are too big for
3387 * the radeon
3388 */
3389 if (ep->edid_modes[j].hdisplay >
3390 dp->rd_softc->sc_maxx)
3391 continue;
3392 if (ep->edid_modes[j].vdisplay >
3393 dp->rd_softc->sc_maxy)
3394 continue;
3395
3396 /*
3397 * pick largest resolution, the
3398 * smaller monitor will pan
3399 */
3400 if ((ep->edid_modes[j].hdisplay >= *x) &&
3401 (ep->edid_modes[j].vdisplay >= *y)) {
3402 *x = ep->edid_modes[j].hdisplay;
3403 *y = ep->edid_modes[j].vdisplay;
3404 }
3405 }
3406 }
3407
3408 } else {
3409 struct videomode modes[64];
3410 int nmodes = 0;
3411 int valid = 0;
3412
3413 for (i = 0; i < dp->rd_ncrtcs; i++) {
3414 /*
3415 * pick the largest resolution in common.
3416 */
3417 rp = dp->rd_crtcs[i].rc_port;
3418 ep = &rp->rp_edid;
3419
3420 if (!rp->rp_edid_valid)
3421 continue;
3422
3423 if (!valid) {
3424 /*
3425 * Pick the preferred mode for this port
3426 * if available.
3427 */
3428 if (ep->edid_preferred_mode) {
3429 struct videomode *vmp =
3430 ep->edid_preferred_mode;
3431
3432 if ((vmp->hdisplay <=
3433 dp->rd_softc->sc_maxx) &&
3434 (vmp->vdisplay <=
3435 dp->rd_softc->sc_maxy))
3436 modes[nmodes++] = *vmp;
3437 } else {
3438
3439 /* initialize starting list */
3440 for (j = 0; j < ep->edid_nmodes; j++) {
3441 /*
3442 * ignore resolutions that are
3443 * too big for the radeon
3444 */
3445 if (ep->edid_modes[j].hdisplay >
3446 dp->rd_softc->sc_maxx)
3447 continue;
3448 if (ep->edid_modes[j].vdisplay >
3449 dp->rd_softc->sc_maxy)
3450 continue;
3451
3452 modes[nmodes] =
3453 ep->edid_modes[j];
3454 nmodes++;
3455 }
3456 }
3457 valid = 1;
3458 } else {
3459 /* merge into preexisting list */
3460 for (j = 0; j < nmodes; j++) {
3461 if (!radeonfb_hasres(ep->edid_modes,
3462 ep->edid_nmodes,
3463 modes[j].hdisplay,
3464 modes[j].vdisplay)) {
3465 modes[j] = modes[nmodes];
3466 j--;
3467 nmodes--;
3468 }
3469 }
3470 }
3471 }
3472
3473 /* now we have to pick from the merged list */
3474 for (i = 0; i < nmodes; i++) {
3475 if ((modes[i].hdisplay >= *x) &&
3476 (modes[i].vdisplay >= *y)) {
3477 *x = modes[i].hdisplay;
3478 *y = modes[i].vdisplay;
3479 }
3480 }
3481 }
3482
3483 if ((*x == 0) || (*y == 0)) {
3484 /* fallback to safe mode */
3485 *x = 640;
3486 *y = 480;
3487 }
3488 }
3489
3490 /*
3491 * backlight levels are linear on:
3492 * - RV200, RV250, RV280, RV350
3493 * - but NOT on PowerBook4,3 6,3 6,5
3494 * according to Linux' radeonfb
3495 */
3496
3497 /* Get the current backlight level for the display. */
3498
3499 static int
3500 radeonfb_get_backlight(struct radeonfb_display *dp)
3501 {
3502 int s;
3503 uint32_t level;
3504
3505 s = spltty();
3506
3507 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
3508 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
3509 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
3510
3511 /*
3512 * On some chips, we should negate the backlight level.
3513 * XXX Find out on which chips.
3514 */
3515 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
3516 level = RADEONFB_BACKLIGHT_MAX - level;
3517
3518 splx(s);
3519
3520 return level;
3521 }
3522
3523 /* Set the backlight to the given level for the display. */
3524
3525 static int
3526 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
3527 {
3528 struct radeonfb_softc *sc;
3529 int rlevel, s;
3530 uint32_t lvds;
3531
3532 s = spltty();
3533
3534 if (level < 0)
3535 level = 0;
3536 else if (level >= RADEONFB_BACKLIGHT_MAX)
3537 level = RADEONFB_BACKLIGHT_MAX;
3538
3539 sc = dp->rd_softc;
3540
3541 /* On some chips, we should negate the backlight level. */
3542 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
3543 rlevel = RADEONFB_BACKLIGHT_MAX - level;
3544 } else
3545 rlevel = level;
3546
3547 callout_stop(&dp->rd_bl_lvds_co);
3548 radeonfb_engine_idle(sc);
3549
3550 /*
3551 * Turn off the display if the backlight is set to 0, since the
3552 * display is useless without backlight anyway.
3553 */
3554 if (level == 0)
3555 radeonfb_blank(dp, 1);
3556 else if (radeonfb_get_backlight(dp) == 0)
3557 radeonfb_blank(dp, 0);
3558
3559 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
3560 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
3561 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
3562 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
3563 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
3564 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3565 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3566 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3567 lvds |= RADEON_LVDS_ON;
3568 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
3569 } else {
3570 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3571 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3572 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3573 }
3574
3575 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
3576 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
3577 /* XXX What is the correct delay? */
3578 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
3579
3580 splx(s);
3581
3582 return 0;
3583 }
3584
3585 /*
3586 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
3587 * Set the delayed bits in the register, and clear the stored delayed
3588 * value.
3589 */
3590
3591 static void radeonfb_lvds_callout(void *arg)
3592 {
3593 struct radeonfb_display *dp = arg;
3594 int s;
3595
3596 s = splhigh();
3597
3598 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
3599 dp->rd_bl_lvds_val);
3600 dp->rd_bl_lvds_val = 0;
3601
3602 splx(s);
3603 }
3604
3605 static void
3606 radeonfb_brightness_up(device_t dev)
3607 {
3608 struct radeonfb_softc *sc = device_private(dev);
3609 int level;
3610
3611 /* we assume the main display is the first one - need a better way */
3612 if (sc->sc_ndisplays < 1) return;
3613 level = radeonfb_get_backlight(&sc->sc_displays[0]);
3614 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
3615 radeonfb_set_backlight(&sc->sc_displays[0], level);
3616 }
3617
3618 static void
3619 radeonfb_brightness_down(device_t dev)
3620 {
3621 struct radeonfb_softc *sc = device_private(dev);
3622 int level;
3623
3624 /* we assume the main display is the first one - need a better way */
3625 if (sc->sc_ndisplays < 1) return;
3626 level = radeonfb_get_backlight(&sc->sc_displays[0]);
3627 level = max(0, level - 5);
3628 radeonfb_set_backlight(&sc->sc_displays[0], level);
3629 }
3630