radeonfb.c revision 1.84 1 /* $NetBSD: radeonfb.c,v 1.84 2014/07/22 15:42:59 riastradh 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 1.84 2014/07/22 15:42:59 riastradh Exp $");
74
75 #include <sys/param.h>
76 #include <sys/systm.h>
77 #include <sys/device.h>
78 #include <sys/malloc.h>
79 #include <sys/bus.h>
80 #include <sys/kernel.h>
81 #include <sys/lwp.h>
82 #include <sys/kauth.h>
83
84 #include <dev/wscons/wsdisplayvar.h>
85 #include <dev/wscons/wsconsio.h>
86 #include <dev/wsfont/wsfont.h>
87 #include <dev/rasops/rasops.h>
88 #include <dev/videomode/videomode.h>
89 #include <dev/videomode/edidvar.h>
90 #include <dev/wscons/wsdisplay_vconsvar.h>
91 #include <dev/pci/wsdisplay_pci.h>
92 #include <dev/wscons/wsdisplay_glyphcachevar.h>
93
94 #include <dev/pci/pcidevs.h>
95 #include <dev/pci/pcireg.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/pciio.h>
98 #include <dev/pci/radeonfbreg.h>
99 #include <dev/pci/radeonfbvar.h>
100 #include "opt_radeonfb.h"
101 #include "opt_vcons.h"
102
103 #ifdef RADEONFB_DEPTH_32
104 #define RADEONFB_DEFAULT_DEPTH 32
105 #else
106 #define RADEONFB_DEFAULT_DEPTH 8
107 #endif
108
109 static int radeonfb_match(device_t, cfdata_t, void *);
110 static void radeonfb_attach(device_t, device_t, void *);
111 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
112 struct lwp *);
113 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
114 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
115 static void radeonfb_loadbios(struct radeonfb_softc *,
116 const struct pci_attach_args *);
117
118 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
119 uintmax_t);
120 static int radeonfb_getclocks(struct radeonfb_softc *);
121 static int radeonfb_gettmds(struct radeonfb_softc *);
122 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
123 uint32_t *, uint32_t *);
124 static int radeonfb_getconnectors(struct radeonfb_softc *);
125 static const struct videomode *radeonfb_modelookup(const char *);
126 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
127 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
128 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
129 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
130 static void radeonfb_modeswitch(struct radeonfb_display *);
131 static void radeonfb_setcrtc(struct radeonfb_display *, int);
132 static void radeonfb_init_misc(struct radeonfb_softc *);
133 static void radeonfb_set_fbloc(struct radeonfb_softc *);
134 static void radeonfb_init_palette(struct radeonfb_display *);
135 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
136
137 static int radeonfb_isblank(struct radeonfb_display *);
138 static void radeonfb_blank(struct radeonfb_display *, int);
139 static int radeonfb_set_cursor(struct radeonfb_display *,
140 struct wsdisplay_cursor *);
141 static int radeonfb_set_curpos(struct radeonfb_display *,
142 struct wsdisplay_curpos *);
143 static void radeonfb_putpal(struct radeonfb_display *, int, int, int, int);
144 static int radeonfb_putcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
145 static int radeonfb_getcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
146
147 /* acceleration support */
148 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
149 int width, int height, uint32_t color);
150 static void radeonfb_rectfill_a(void *, int, int, int, int, long);
151 static void radeonfb_bitblt(void *, int srcx, int srcy,
152 int dstx, int dsty, int width, int height, int rop);
153
154 /* hw cursor support */
155 static void radeonfb_cursor_cmap(struct radeonfb_display *);
156 static void radeonfb_cursor_shape(struct radeonfb_display *);
157 static void radeonfb_cursor_position(struct radeonfb_display *);
158 static void radeonfb_cursor_visible(struct radeonfb_display *);
159 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
160
161 static inline void radeonfb_wait_fifo(struct radeonfb_softc *, int);
162 static void radeonfb_engine_idle(struct radeonfb_softc *);
163 static void radeonfb_engine_flush(struct radeonfb_softc *);
164 static void radeonfb_engine_reset(struct radeonfb_softc *);
165 static void radeonfb_engine_init(struct radeonfb_display *);
166 static inline void radeonfb_unclip(struct radeonfb_softc *) __unused;
167
168 static void radeonfb_eraserows(void *, int, int, long);
169 static void radeonfb_erasecols(void *, int, int, int, long);
170 static void radeonfb_copyrows(void *, int, int, int);
171 static void radeonfb_copycols(void *, int, int, int, int);
172 static void radeonfb_cursor(void *, int, int, int);
173 static void radeonfb_putchar(void *, int, int, unsigned, long);
174 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
175 static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
176 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
177 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
178 #endif
179
180 static int radeonfb_set_backlight(struct radeonfb_display *, int);
181 static int radeonfb_get_backlight(struct radeonfb_display *);
182 static void radeonfb_switch_backlight(struct radeonfb_display *, int);
183 static void radeonfb_lvds_callout(void *);
184
185 static void radeonfb_brightness_up(device_t);
186 static void radeonfb_brightness_down(device_t);
187
188 static struct videomode *radeonfb_best_refresh(struct videomode *,
189 struct videomode *);
190 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
191 uint16_t *, int);
192 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
193 struct radeonfb_port *, int, int);
194
195 static int radeonfb_drm_print(void *, const char *);
196
197 #ifdef RADEONFB_DEBUG
198 int radeon_debug = 1;
199 #define DPRINTF(x) \
200 if (radeon_debug) printf x
201 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
202 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
203 #else
204 #define DPRINTF(x)
205 #define PRINTREG(r)
206 #define PRINTPLL(r)
207 #endif
208
209 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
210
211 #ifndef RADEON_DEFAULT_MODE
212 /* any reasonably modern display should handle this */
213 #define RADEON_DEFAULT_MODE "1024x768x60"
214 #endif
215
216 extern const u_char rasops_cmap[768];
217
218 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
219
220 static struct {
221 int size; /* minimum memory size (MB) */
222 int maxx; /* maximum x dimension */
223 int maxy; /* maximum y dimension */
224 int maxbpp; /* maximum bpp */
225 int maxdisp; /* maximum logical display count */
226 } radeonfb_limits[] = {
227 { 32, 2048, 1536, 32, 2 },
228 { 16, 1600, 1200, 32, 2 },
229 { 8, 1600, 1200, 32, 1 },
230 { 0, 0, 0, 0, 0 },
231 };
232
233 static struct wsscreen_descr radeonfb_stdscreen = {
234 "fb", /* name */
235 0, 0, /* ncols, nrows */
236 NULL, /* textops */
237 8, 16, /* fontwidth, fontheight */
238 WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE, /* capabilities */
239 0, /* modecookie */
240 };
241
242 struct wsdisplay_accessops radeonfb_accessops = {
243 radeonfb_ioctl,
244 radeonfb_mmap,
245 NULL, /* vcons_alloc_screen */
246 NULL, /* vcons_free_screen */
247 NULL, /* vcons_show_screen */
248 NULL, /* load_font */
249 NULL, /* pollc */
250 NULL, /* scroll */
251 };
252
253 static struct {
254 uint16_t devid;
255 uint16_t family;
256 uint16_t flags;
257 } radeonfb_devices[] =
258 {
259 /* R100 family */
260 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
261 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
262 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
263 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
264
265 /* RV100 family */
266 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
267 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
268 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
269 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
270
271 /* RS100 family */
272 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
273 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
274
275 /* RS200/RS250 family */
276 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
277 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
278 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
279 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
280
281 /* R200 family */
282 /* add more R200 products? , 5148 */
283 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
284 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
285 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
286 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
287 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
288
289 /* RV200 family */
290 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
291 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
292 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
293 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
294
295 /* RV250 family */
296 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
297 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
298 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
299 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
300 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
301
302 /* RS300 family */
303 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
304 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
305 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
306 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
307
308 /* RV280 family */
309 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
310 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
311 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
312 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
313 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
314 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
315 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
316
317 /* R300 family */
318 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
319 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
320 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
321 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
322 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
323 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
324 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
325 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
326
327 /* RV350/RV360 family */
328 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
329 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
330 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
331 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
332 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
333 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
334 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
335 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
336 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
337 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
338 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
339 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
340
341 /* R350/R360 family */
342 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
343 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
344 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
345 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
346 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
347 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
348 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
349 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
350
351 /* RV380/RV370 family */
352 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
353 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
354 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
355 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
356 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
357 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
358 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
359 { PCI_PRODUCT_ATI_RADEON_RV370_5B63, RADEON_RV380, 0 },
360 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
361 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
362
363 #if notyet
364 /* R420/R423 family */
365 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
366 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
367 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
368 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
369 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
372 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
373 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
374 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
375 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
376 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
377 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
378 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
379 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
380 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
381 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
382 #endif
383 { 0, 0, 0 }
384 };
385
386 static struct {
387 int divider;
388 int mask;
389 } radeonfb_dividers[] = {
390 { 16, 5 },
391 { 12, 7 },
392 { 8, 3 },
393 { 6, 6 },
394 { 4, 2 },
395 { 3, 4 },
396 { 2, 1 },
397 { 1, 0 },
398 { 0, 0 }
399 };
400
401 /*
402 * This table taken from X11.
403 */
404 static const struct {
405 int family;
406 struct radeon_tmds_pll plls[4];
407 } radeonfb_tmds_pll[] = {
408 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
409 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
410 { RADEON_RS100, {{0, 0}}},
411 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
412 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
413 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
414 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
415 { RADEON_RS300, {{0, 0}}},
416 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
417 { RADEON_R300, {{-1, 0xb01cb}}},
418 { RADEON_R350, {{-1, 0xb01cb}}},
419 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
420 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
421 { RADEON_R420, {{-1, 0xb01cb}}},
422 };
423
424 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
425
426
427 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
428 radeonfb_match, radeonfb_attach, NULL, NULL);
429
430 static int
431 radeonfb_match(device_t parent, cfdata_t match, void *aux)
432 {
433 const struct pci_attach_args *pa = aux;
434 int i;
435
436 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
437 return 0;
438
439 for (i = 0; radeonfb_devices[i].devid; i++) {
440 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
441 return 100; /* high to defeat VGA/VESA */
442 }
443
444 return 0;
445 }
446
447 static void
448 radeonfb_attach(device_t parent, device_t dev, void *aux)
449 {
450 struct radeonfb_softc *sc = device_private(dev);
451 const struct pci_attach_args *pa = aux;
452 const char *mptr;
453 bus_size_t bsz;
454 pcireg_t screg;
455 int i, j, fg, bg, ul, flags;
456 uint32_t v;
457
458 sc->sc_dev = dev;
459 sc->sc_id = pa->pa_id;
460 for (i = 0; radeonfb_devices[i].devid; i++) {
461 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
462 break;
463 }
464
465 pci_aprint_devinfo(pa, NULL);
466
467 DPRINTF(("%s", prop_dictionary_externalize(device_properties(dev))));
468
469 KASSERT(radeonfb_devices[i].devid != 0);
470 sc->sc_pt = pa->pa_tag;
471 sc->sc_iot = pa->pa_iot;
472 sc->sc_pc = pa->pa_pc;
473 sc->sc_family = radeonfb_devices[i].family;
474 sc->sc_flags = radeonfb_devices[i].flags;
475
476 /* enable memory and IO access */
477 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
478 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
479 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
480
481 /*
482 * Some flags are general to entire chip families, and rather
483 * than clutter up the table with them, we go ahead and set
484 * them here.
485 */
486 switch (sc->sc_family) {
487 case RADEON_RS100:
488 case RADEON_RS200:
489 sc->sc_flags |= RFB_IGP | RFB_RV100;
490 break;
491
492 case RADEON_RV100:
493 case RADEON_RV200:
494 case RADEON_RV250:
495 case RADEON_RV280:
496 sc->sc_flags |= RFB_RV100;
497 break;
498
499 case RADEON_RS300:
500 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
501 break;
502
503 case RADEON_R300:
504 case RADEON_RV350:
505 case RADEON_R350:
506 case RADEON_RV380:
507 case RADEON_R420:
508 /* newer chips */
509 sc->sc_flags |= RFB_R300;
510 break;
511
512 case RADEON_R100:
513 sc->sc_flags |= RFB_NCRTC2;
514 break;
515 }
516
517 if ((sc->sc_family == RADEON_RV200) ||
518 (sc->sc_family == RADEON_RV250) ||
519 (sc->sc_family == RADEON_RV280) ||
520 (sc->sc_family == RADEON_RV350)) {
521 bool inverted = 0;
522 /* backlight level is linear */
523 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
524 prop_dictionary_get_bool(device_properties(sc->sc_dev),
525 "backlight_level_reverted", &inverted);
526 if (inverted) {
527 DPRINTF(("nope, it's inverted\n"));
528 sc->sc_flags |= RFB_INV_BLIGHT;
529 }
530 } else
531 sc->sc_flags |= RFB_INV_BLIGHT;
532
533 /*
534 * XXX: to support true multihead, this must change.
535 */
536 sc->sc_ndisplays = 1;
537
538 /* XXX: */
539 if (!HAS_CRTC2(sc)) {
540 sc->sc_ndisplays = 1;
541 }
542
543 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
544 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
545 &sc->sc_regsz) != 0) {
546 aprint_error("%s: unable to map registers!\n", XNAME(sc));
547 goto error;
548 }
549
550 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
551 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
552 {
553 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
554 goto error;
555 }
556 sc->sc_romt = sc->sc_memt;
557
558 sc->sc_mapped = TRUE;
559
560 /* scratch register test... */
561 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
562 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
563 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
564 goto error;
565 }
566
567 PRINTREG(RADEON_CRTC_EXT_CNTL);
568 PRINTREG(RADEON_CRTC_GEN_CNTL);
569 PRINTREG(RADEON_CRTC2_GEN_CNTL);
570 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
571 PRINTREG(RADEON_DAC_CNTL2);
572 PRINTREG(RADEON_FP_GEN_CNTL);
573 PRINTREG(RADEON_FP2_GEN_CNTL);
574
575 PRINTREG(RADEON_BIOS_4_SCRATCH);
576 PRINTREG(RADEON_FP_GEN_CNTL);
577 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
578 PRINTREG(RADEON_FP2_GEN_CNTL);
579 PRINTREG(RADEON_TMDS_CNTL);
580 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
581 PRINTREG(RADEON_TMDS_PLL_CNTL);
582 PRINTREG(RADEON_LVDS_GEN_CNTL);
583 PRINTREG(RADEON_FP_HORZ_STRETCH);
584 PRINTREG(RADEON_FP_VERT_STRETCH);
585
586 if (IS_RV100(sc))
587 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
588
589 /* XXX
590 * according to xf86-video-radeon R3xx has this bit backwards
591 */
592 if (IS_R300(sc)) {
593 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
594 0,
595 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
596 } else {
597 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
598 RADEON_TMDS_TRANSMITTER_PLLEN,
599 ~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
600 }
601
602 radeonfb_i2c_init(sc);
603
604 radeonfb_loadbios(sc, pa);
605
606 #ifdef RADEONFB_BIOS_INIT
607 if (radeonfb_bios_init(sc)) {
608 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
609 }
610 #endif
611
612 if (radeonfb_getclocks(sc)) {
613 aprint_error("%s: Unable to get reference clocks from BIOS\n",
614 XNAME(sc));
615 goto error;
616 }
617
618 if (radeonfb_gettmds(sc)) {
619 aprint_error("%s: Unable to identify TMDS PLL settings\n",
620 XNAME(sc));
621 goto error;
622 }
623
624 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
625 "minpll = %d, maxpll = %d\n", XNAME(sc),
626 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
627 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
628
629 radeonfb_getconnectors(sc);
630
631 radeonfb_set_fbloc(sc);
632
633 /* 64 MB should be enough -- more just wastes map entries */
634 if (sc->sc_memsz > (64 << 20))
635 sc->sc_memsz = (64 << 20);
636
637 for (i = 0; radeonfb_limits[i].size; i++) {
638 if (sc->sc_memsz >= radeonfb_limits[i].size) {
639 sc->sc_maxx = radeonfb_limits[i].maxx;
640 sc->sc_maxy = radeonfb_limits[i].maxy;
641 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
642 /* framebuffer offset, start at a 4K page */
643 sc->sc_fboffset = sc->sc_memsz /
644 radeonfb_limits[i].maxdisp;
645 /*
646 * we use the fbsize to figure out where we can store
647 * things like cursor data.
648 */
649 sc->sc_fbsize =
650 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
651 RADEON_STRIDEALIGN) * sc->sc_maxy,
652 4096);
653 break;
654 }
655 }
656
657
658 radeonfb_init_misc(sc);
659
660 /* program the DAC wirings */
661 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
662 switch (sc->sc_ports[i].rp_dac_type) {
663 case RADEON_DAC_PRIMARY:
664 PATCH32(sc, RADEON_DAC_CNTL2,
665 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
666 ~RADEON_DAC2_DAC_CLK_SEL);
667 break;
668 case RADEON_DAC_TVDAC:
669 /* we always use the TVDAC to drive a secondary analog
670 * CRT for now. if we ever support TV-out this will
671 * have to change.
672 */
673 SET32(sc, RADEON_DAC_CNTL2,
674 RADEON_DAC2_DAC2_CLK_SEL);
675 PATCH32(sc, RADEON_DISP_HW_DEBUG,
676 i ? 0 : RADEON_CRT2_DISP1_SEL,
677 ~RADEON_CRT2_DISP1_SEL);
678 /* we're using CRTC2 for the 2nd port */
679 if (sc->sc_ports[i].rp_number == 1) {
680 PATCH32(sc, RADEON_DISP_OUTPUT_CNTL,
681 RADEON_DISP_DAC2_SOURCE_CRTC2,
682 ~RADEON_DISP_DAC2_SOURCE_MASK);
683 }
684
685 break;
686 }
687 DPRINTF(("%s: port %d tmds type %d\n", __func__, i,
688 sc->sc_ports[i].rp_tmds_type));
689 switch (sc->sc_ports[i].rp_tmds_type) {
690 case RADEON_TMDS_INT:
691 /* point FP0 at the CRTC this port uses */
692 DPRINTF(("%s: plugging internal TMDS into CRTC %d\n",
693 __func__, sc->sc_ports[i].rp_number));
694 if (IS_R300(sc)) {
695 PATCH32(sc, RADEON_FP_GEN_CNTL,
696 sc->sc_ports[i].rp_number ?
697 R200_FP_SOURCE_SEL_CRTC2 :
698 R200_FP_SOURCE_SEL_CRTC1,
699 ~R200_FP_SOURCE_SEL_MASK);
700 } else {
701 PATCH32(sc, RADEON_FP_GEN_CNTL,
702 sc->sc_ports[i].rp_number ?
703 RADEON_FP_SEL_CRTC2 :
704 RADEON_FP_SEL_CRTC1,
705 ~RADEON_FP_SEL_MASK);
706 }
707 }
708 }
709 PRINTREG(RADEON_DAC_CNTL2);
710 PRINTREG(RADEON_DISP_HW_DEBUG);
711
712 /* other DAC programming */
713 v = GET32(sc, RADEON_DAC_CNTL);
714 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
715 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
716 PUT32(sc, RADEON_DAC_CNTL, v);
717 PRINTREG(RADEON_DAC_CNTL);
718
719 /* XXX: this may need more investigation */
720 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
721 PRINTREG(RADEON_TV_DAC_CNTL);
722
723 /* enable TMDS */
724 SET32(sc, RADEON_FP_GEN_CNTL,
725 RADEON_FP_TMDS_EN |
726 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
727 RADEON_FP_CRTC_DONT_SHADOW_HEND);
728 /*
729 * XXX
730 * no idea why this is necessary - if I do not clear this bit on my
731 * iBook G4 the screen remains black, even though it's already clear.
732 * It needs to be set on my Sun XVR-100 for the DVI port to work
733 * TODO:
734 * see if this is still necessary now that CRTCs, DACs and outputs are
735 * getting wired up in a halfway sane way
736 */
737 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
738 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
739 } else {
740 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
741 }
742
743 /*
744 * we use bus_space_map instead of pci_mapreg, because we don't
745 * need the full aperature space. no point in wasting virtual
746 * address space we don't intend to use, right?
747 */
748 if ((sc->sc_memsz < (4096 * 1024)) ||
749 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
750 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
751 (bsz < sc->sc_memsz)) {
752 sc->sc_memsz = 0;
753 aprint_error("%s: Bad frame buffer configuration\n",
754 XNAME(sc));
755 goto error;
756 }
757
758 sc->sc_memt = pa->pa_memt;
759 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
760 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
761 sc->sc_memsz = 0;
762 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
763 goto error;
764 }
765
766 aprint_normal("%s: %d MB aperture at 0x%08x, "
767 "%d KB registers at 0x%08x\n", XNAME(sc),
768 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
769 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
770
771 /* setup default video mode from devprop (allows PROM override) */
772 sc->sc_defaultmode = radeonfb_default_mode;
773 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
774 "videomode", &mptr)) {
775
776 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
777 sc->sc_defaultmode = sc->sc_modebuf;
778 }
779
780 /* initialize some basic display parameters */
781 for (i = 0; i < sc->sc_ndisplays; i++) {
782 struct radeonfb_display *dp = &sc->sc_displays[i];
783 struct rasops_info *ri;
784 long defattr;
785 struct wsemuldisplaydev_attach_args aa;
786
787 /*
788 * Figure out how many "displays" (desktops) we are going to
789 * support. If more than one, then each CRTC gets its own
790 * programming.
791 *
792 * XXX: this code needs to change to support mergedfb.
793 * XXX: would be nice to allow this to be overridden
794 */
795 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
796 DPRINTF(("dual crtcs!\n"));
797 dp->rd_ncrtcs = 2;
798 dp->rd_crtcs[0].rc_port =
799 &sc->sc_ports[0];
800 dp->rd_crtcs[0].rc_number = sc->sc_ports[0].rp_number;
801 dp->rd_crtcs[1].rc_port =
802 &sc->sc_ports[1];
803 dp->rd_crtcs[1].rc_number = sc->sc_ports[1].rp_number;
804 } else {
805 dp->rd_ncrtcs = 1;
806 dp->rd_crtcs[0].rc_port =
807 &sc->sc_ports[i];
808 dp->rd_crtcs[0].rc_number = sc->sc_ports[i].rp_number;
809 }
810
811 dp->rd_softc = sc;
812 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
813 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
814
815 /* for text mode, we pick a resolution that won't
816 * require panning */
817 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
818
819 aprint_normal("%s: display %d: "
820 "initial virtual resolution %dx%d at %d bpp\n",
821 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
822 aprint_normal_dev(sc->sc_dev, "using %d MB per display\n",
823 sc->sc_fboffset >> 20);
824 /* now select the *video mode* that we will use */
825 for (j = 0; j < dp->rd_ncrtcs; j++) {
826 const struct videomode *vmp;
827 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
828 dp->rd_virtx, dp->rd_virty);
829
830 /*
831 * virtual resolution should be at least as high as
832 * physical
833 */
834 if (dp->rd_virtx < vmp->hdisplay ||
835 dp->rd_virty < vmp->vdisplay) {
836 dp->rd_virtx = vmp->hdisplay;
837 dp->rd_virty = vmp->vdisplay;
838 }
839
840 dp->rd_crtcs[j].rc_videomode = *vmp;
841 printf("%s: port %d: physical %dx%d %dHz\n",
842 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
843 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
844 vmp->htotal), vmp->vtotal));
845 }
846
847 /* N.B.: radeon wants 64-byte aligned stride */
848 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
849 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
850 DPRINTF(("stride: %d\n", dp->rd_stride));
851
852 dp->rd_offset = sc->sc_fboffset * i;
853 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
854 sc->sc_memh) + dp->rd_offset;
855 dp->rd_curoff = sc->sc_fboffset - 4096; /* 4KB cursor space */
856 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
857
858 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
859
860 switch (dp->rd_bpp) {
861 case 8:
862 dp->rd_format = 2;
863 break;
864 case 32:
865 dp->rd_format = 6;
866 break;
867 default:
868 aprint_error("%s: bad depth %d\n", XNAME(sc),
869 dp->rd_bpp);
870 goto error;
871 }
872
873 DPRINTF(("init engine\n"));
874 /* XXX: this seems suspicious - per display engine
875 initialization? */
876 radeonfb_engine_init(dp);
877
878 /* copy the template into place */
879 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
880 dp->rd_wsscreens = dp->rd_wsscreens_storage;
881
882 /* and make up the list */
883 dp->rd_wsscreenlist.nscreens = 1;
884 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
885
886 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
887 &radeonfb_accessops);
888
889 dp->rd_vd.init_screen = radeonfb_init_screen;
890
891 #ifdef RADEONFB_DEBUG
892 dp->rd_virty -= 200;
893 #endif
894
895 dp->rd_console = 0;
896 prop_dictionary_get_bool(device_properties(sc->sc_dev),
897 "is_console", &dp->rd_console);
898
899 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
900
901
902 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
903 dp->rd_console, &defattr);
904
905 ri = &dp->rd_vscreen.scr_ri;
906
907 /* clear the screen */
908 rasops_unpack_attr(defattr, &fg, &bg, &ul);
909 dp->rd_bg = ri->ri_devcmap[bg & 0xf];
910 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
911 dp->rd_bg);
912
913 dp->rd_wsscreens->textops = &ri->ri_ops;
914 dp->rd_wsscreens->capabilities = ri->ri_caps;
915 dp->rd_wsscreens->nrows = ri->ri_rows;
916 dp->rd_wsscreens->ncols = ri->ri_cols;
917
918 #ifdef SPLASHSCREEN
919 dp->rd_splash.si_depth = ri->ri_depth;
920 dp->rd_splash.si_bits = ri->ri_bits;
921 dp->rd_splash.si_hwbits = ri->ri_hwbits;
922 dp->rd_splash.si_width = ri->ri_width;
923 dp->rd_splash.si_height = ri->ri_height;
924 dp->rd_splash.si_stride = ri->ri_stride;
925 dp->rd_splash.si_fillrect = NULL;
926 #endif
927 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
928 dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
929 dp->rd_gc.gc_rop = RADEON_ROP3_S;
930 dp->rd_gc.gc_blitcookie = dp;
931 /*
932 * use memory between framebuffer and cursor area as glyph
933 * cache, cap at 4096 lines
934 */
935 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
936 min(4096,
937 (dp->rd_curoff / dp->rd_stride) - (dp->rd_virty + 4)),
938 dp->rd_virtx,
939 ri->ri_font->fontwidth,
940 ri->ri_font->fontheight,
941 defattr);
942 if (dp->rd_console) {
943
944 radeonfb_modeswitch(dp);
945 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
946 defattr);
947 #ifdef SPLASHSCREEN
948 if (splash_render(&dp->rd_splash,
949 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
950 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
951 else
952 #endif
953 vcons_replay_msgbuf(&dp->rd_vscreen);
954 } else {
955
956 /*
957 * since we're not the console we can postpone
958 * the rest until someone actually allocates a
959 * screen for us. but we do clear the screen
960 * at least.
961 */
962 memset(ri->ri_bits, 0, 1024);
963
964 radeonfb_modeswitch(dp);
965 #ifdef SPLASHSCREEN
966 if (splash_render(&dp->rd_splash,
967 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
968 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
969 #endif
970 }
971
972 aa.console = dp->rd_console;
973 aa.scrdata = &dp->rd_wsscreenlist;
974 aa.accessops = &radeonfb_accessops;
975 aa.accesscookie = &dp->rd_vd;
976
977 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
978
979 radeonfb_blank(dp, 0);
980
981 /* Initialise delayed lvds operations for backlight. */
982 callout_init(&dp->rd_bl_lvds_co, 0);
983 callout_setfunc(&dp->rd_bl_lvds_co,
984 radeonfb_lvds_callout, dp);
985 dp->rd_bl_on = 1;
986 dp->rd_bl_level = radeonfb_get_backlight(dp);
987 radeonfb_set_backlight(dp, dp->rd_bl_level);
988 }
989
990 for (i = 0; i < RADEON_NDISPLAYS; i++)
991 radeonfb_init_palette(&sc->sc_displays[i]);
992
993 if (HAS_CRTC2(sc)) {
994 CLR32(sc, RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_DISP_DIS);
995 }
996
997 CLR32(sc, RADEON_CRTC_EXT_CNTL, RADEON_CRTC_DISPLAY_DIS);
998 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_FPON);
999 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
1000 radeonfb_brightness_up, TRUE);
1001 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
1002 radeonfb_brightness_down, TRUE);
1003
1004 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
1005
1006 PRINTREG(RADEON_CRTC_EXT_CNTL);
1007 PRINTREG(RADEON_CRTC_GEN_CNTL);
1008 PRINTREG(RADEON_CRTC2_GEN_CNTL);
1009 PRINTREG(RADEON_DISP_OUTPUT_CNTL);
1010 PRINTREG(RADEON_DAC_CNTL2);
1011 PRINTREG(RADEON_FP_GEN_CNTL);
1012 PRINTREG(RADEON_FP2_GEN_CNTL);
1013
1014 return;
1015
1016 error:
1017 if (sc->sc_biossz)
1018 free(sc->sc_bios, M_DEVBUF);
1019
1020 if (sc->sc_regsz)
1021 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1022
1023 if (sc->sc_memsz)
1024 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1025 }
1026
1027 static void
1028 radeonfb_map(struct radeonfb_softc *sc)
1029 {
1030 if (!sc->sc_mapped) {
1031 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
1032 &sc->sc_regh) != 0) {
1033 aprint_error_dev(sc->sc_dev,
1034 "unable to map registers!\n");
1035 return;
1036 }
1037 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
1038 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
1039 sc->sc_memsz = 0;
1040 aprint_error_dev(sc->sc_dev,
1041 "Unable to map frame buffer\n");
1042 return;
1043 }
1044 sc->sc_mapped = TRUE;
1045 }
1046 }
1047
1048 static void
1049 radeonfb_unmap(struct radeonfb_softc *sc)
1050 {
1051 if (sc->sc_mapped) {
1052 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
1053 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
1054 sc->sc_mapped = FALSE;
1055 }
1056 }
1057
1058 static int
1059 radeonfb_drm_print(void *aux, const char *pnp)
1060 {
1061 if (pnp)
1062 aprint_normal("drm at %s", pnp);
1063 return (UNCONF);
1064 }
1065
1066 int
1067 radeonfb_ioctl(void *v, void *vs,
1068 unsigned long cmd, void *d, int flag, struct lwp *l)
1069 {
1070 struct vcons_data *vd;
1071 struct radeonfb_display *dp;
1072 struct radeonfb_softc *sc;
1073 struct wsdisplay_param *param;
1074 struct vcons_screen *ms;
1075
1076 vd = (struct vcons_data *)v;
1077 ms = vd->active;
1078 dp = (struct radeonfb_display *)vd->cookie;
1079 sc = dp->rd_softc;
1080
1081 /* can't do these without registers being mapped */
1082 if (!sc->sc_mapped) {
1083 switch (cmd) {
1084 case WSDISPLAYIO_GVIDEO:
1085 case WSDISPLAYIO_SVIDEO:
1086 case WSDISPLAYIO_GETCMAP:
1087 case WSDISPLAYIO_PUTCMAP:
1088 case WSDISPLAYIO_SCURSOR:
1089 case WSDISPLAYIO_GCURPOS:
1090 case WSDISPLAYIO_SCURPOS:
1091 case WSDISPLAYIO_SETPARAM:
1092 return EINVAL;
1093 }
1094 }
1095
1096 switch (cmd) {
1097 case WSDISPLAYIO_GTYPE:
1098 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
1099 return 0;
1100
1101 case WSDISPLAYIO_GINFO:
1102 if (vd->active != NULL) {
1103 struct wsdisplay_fbinfo *fb;
1104 fb = (struct wsdisplay_fbinfo *)d;
1105 fb->width = dp->rd_virtx;
1106 fb->height = dp->rd_virty;
1107 fb->depth = dp->rd_bpp;
1108 fb->cmsize = 256;
1109 return 0;
1110 } else
1111 return ENODEV;
1112 case WSDISPLAYIO_GVIDEO:
1113 if (radeonfb_isblank(dp))
1114 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1115 else
1116 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1117 return 0;
1118
1119 case WSDISPLAYIO_SVIDEO:
1120 radeonfb_blank(dp,
1121 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1122 return 0;
1123
1124 case WSDISPLAYIO_GETCMAP:
1125 if (dp->rd_bpp == 8)
1126 return radeonfb_getcmap(dp,
1127 (struct wsdisplay_cmap *)d);
1128 return EINVAL;
1129
1130 case WSDISPLAYIO_PUTCMAP:
1131 if (dp->rd_bpp == 8)
1132 return radeonfb_putcmap(dp,
1133 (struct wsdisplay_cmap *)d);
1134 return EINVAL;
1135
1136 case WSDISPLAYIO_LINEBYTES:
1137 *(unsigned *)d = dp->rd_stride;
1138 return 0;
1139
1140 case WSDISPLAYIO_SMODE:
1141 if (*(int *)d != dp->rd_wsmode) {
1142 dp->rd_wsmode = *(int *)d;
1143 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) ||
1144 (dp->rd_wsmode == WSDISPLAYIO_MODE_DUMBFB))
1145 radeonfb_map(sc);
1146
1147 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1148 (dp->rd_vd.active)) {
1149 radeonfb_engine_init(dp);
1150 glyphcache_wipe(&dp->rd_gc);
1151 radeonfb_init_palette(dp);
1152 radeonfb_modeswitch(dp);
1153 radeonfb_rectfill(dp, 0, 0, dp->rd_virtx,
1154 dp->rd_virty, dp->rd_bg);
1155 vcons_redraw_screen(dp->rd_vd.active);
1156 }
1157 if (dp->rd_wsmode == WSDISPLAYIO_MODE_MAPPED)
1158 radeonfb_unmap(sc);
1159 }
1160 return 0;
1161
1162 case WSDISPLAYIO_GCURMAX:
1163 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1164 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1165 return 0;
1166
1167 case WSDISPLAYIO_SCURSOR:
1168 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1169
1170 case WSDISPLAYIO_GCURSOR:
1171 return EPASSTHROUGH;
1172
1173 case WSDISPLAYIO_GCURPOS:
1174 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1175 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1176 return 0;
1177
1178 case WSDISPLAYIO_SCURPOS:
1179 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1180
1181 case WSDISPLAYIO_SSPLASH:
1182 #if defined(SPLASHSCREEN)
1183 if (*(int *)d == 1) {
1184 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1185 splash_render(&dp->rd_splash,
1186 SPLASH_F_CENTER|SPLASH_F_FILL);
1187 } else
1188 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1189 return 0;
1190 #else
1191 return ENODEV;
1192 #endif
1193 case WSDISPLAYIO_GETPARAM:
1194 param = (struct wsdisplay_param *)d;
1195 switch (param->param) {
1196 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1197 param->min = 0;
1198 param->max = 255;
1199 param->curval = dp->rd_bl_level;
1200 return 0;
1201 case WSDISPLAYIO_PARAM_BACKLIGHT:
1202 param->min = 0;
1203 param->max = RADEONFB_BACKLIGHT_MAX;
1204 param->curval = dp->rd_bl_on;
1205 return 0;
1206 }
1207 return EPASSTHROUGH;
1208
1209 case WSDISPLAYIO_SETPARAM:
1210 param = (struct wsdisplay_param *)d;
1211 switch (param->param) {
1212 case WSDISPLAYIO_PARAM_BRIGHTNESS:
1213 radeonfb_set_backlight(dp, param->curval);
1214 return 0;
1215 case WSDISPLAYIO_PARAM_BACKLIGHT:
1216 radeonfb_switch_backlight(dp, param->curval);
1217 return 0;
1218 }
1219 return EPASSTHROUGH;
1220
1221 /* PCI config read/write passthrough. */
1222 case PCI_IOC_CFGREAD:
1223 case PCI_IOC_CFGWRITE:
1224 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1225
1226 case WSDISPLAYIO_GET_BUSID:
1227 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1228 sc->sc_pt, d);
1229
1230 case WSDISPLAYIO_GET_EDID: {
1231 struct wsdisplayio_edid_info *ei = d;
1232 return wsdisplayio_get_edid(sc->sc_dev, ei);
1233 }
1234
1235 case WSDISPLAYIO_GET_FBINFO: {
1236 struct wsdisplayio_fbinfo *fbi = d;
1237 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
1238 }
1239
1240 default:
1241 return EPASSTHROUGH;
1242 }
1243 }
1244
1245 paddr_t
1246 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1247 {
1248 struct vcons_data *vd;
1249 struct radeonfb_display *dp;
1250 struct radeonfb_softc *sc;
1251 paddr_t pa;
1252
1253 vd = (struct vcons_data *)v;
1254 dp = (struct radeonfb_display *)vd->cookie;
1255 sc = dp->rd_softc;
1256
1257 /* XXX: note that we don't allow mapping of registers right now */
1258 /* XXX: this means that the XFree86 radeon driver won't work */
1259 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1260 pa = bus_space_mmap(sc->sc_memt,
1261 sc->sc_memaddr + dp->rd_offset + offset, 0,
1262 prot, BUS_SPACE_MAP_LINEAR);
1263 return pa;
1264 }
1265
1266 #ifdef RADEONFB_MMAP_BARS
1267 /*
1268 * restrict all other mappings to processes with superuser privileges
1269 * or the kernel itself
1270 */
1271 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1272 NULL, NULL, NULL, NULL) != 0) {
1273 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1274 return -1;
1275 }
1276
1277 if ((offset >= sc->sc_regaddr) &&
1278 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1279 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1280 BUS_SPACE_MAP_LINEAR);
1281 }
1282
1283 if ((offset >= sc->sc_memaddr) &&
1284 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1285 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1286 BUS_SPACE_MAP_LINEAR);
1287 }
1288
1289 if ((offset >= sc->sc_romaddr) &&
1290 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1291 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1292 BUS_SPACE_MAP_LINEAR);
1293 }
1294
1295 #ifdef PCI_MAGIC_IO_RANGE
1296 /* allow mapping of IO space */
1297 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1298 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1299 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1300 0, prot, 0);
1301 return pa;
1302 }
1303 #endif /* PCI_MAGIC_IO_RANGE */
1304
1305 #endif /* RADEONFB_MMAP_BARS */
1306
1307 return -1;
1308 }
1309
1310 static void
1311 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1312 {
1313 bus_space_tag_t romt;
1314 bus_space_handle_t romh, biosh;
1315 bus_size_t romsz;
1316 bus_addr_t ptr;
1317
1318 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1319 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1320 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1321 return;
1322 }
1323
1324 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1325 &sc->sc_biossz);
1326 if (sc->sc_biossz == 0) {
1327 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1328 return;
1329 }
1330
1331 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1332 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1333
1334 /* unmap the PCI expansion rom */
1335 bus_space_unmap(romt, romh, romsz);
1336
1337 /* turn off rom decoder now */
1338 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1339 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1340 ~PCI_MAPREG_ROM_ENABLE);
1341
1342 ptr = GETBIOS16(sc, 0x48);
1343 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1344 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1345 sc->sc_flags |= RFB_ATOM;
1346 }
1347
1348 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1349 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1350 }
1351
1352
1353 uint32_t
1354 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1355 {
1356
1357 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1358 }
1359
1360 void
1361 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1362 {
1363
1364 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1365 }
1366
1367 void
1368 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1369 {
1370
1371 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1372 }
1373
1374 void
1375 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1376 uint32_t andmask, uint32_t ormask)
1377 {
1378 int s;
1379 uint32_t val;
1380
1381 s = splhigh();
1382 val = radeonfb_get32(sc, reg);
1383 val = (val & andmask) | ormask;
1384 radeonfb_put32(sc, reg, val);
1385 splx(s);
1386 }
1387
1388 uint32_t
1389 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1390 {
1391 int s;
1392 uint32_t val;
1393
1394 s = splhigh();
1395 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1396 val = radeonfb_get32(sc, RADEON_MM_DATA);
1397 splx(s);
1398
1399 return (val);
1400 }
1401
1402 void
1403 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1404 {
1405 int s;
1406
1407 s = splhigh();
1408 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1409 radeonfb_put32(sc, RADEON_MM_DATA, val);
1410 splx(s);
1411 }
1412
1413 void
1414 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1415 uint32_t andmask, uint32_t ormask)
1416 {
1417 int s;
1418 uint32_t val;
1419
1420 s = splhigh();
1421 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1422 val = radeonfb_get32(sc, RADEON_MM_DATA);
1423 val = (val & andmask) | ormask;
1424 radeonfb_put32(sc, RADEON_MM_DATA, val);
1425 splx(s);
1426 }
1427
1428 uint32_t
1429 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1430 {
1431 int s;
1432 uint32_t val;
1433
1434 s = splhigh();
1435 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f));
1436 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1437 if (HAS_R300CG(sc))
1438 radeonfb_r300cg_workaround(sc);
1439 splx(s);
1440
1441 return (val);
1442 }
1443
1444 void
1445 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1446 {
1447 int s;
1448
1449 s = splhigh();
1450 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1451 RADEON_PLL_WR_EN);
1452 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1453 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1454 splx(s);
1455 }
1456
1457 void
1458 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1459 uint32_t andmask, uint32_t ormask)
1460 {
1461 int s;
1462 uint32_t val;
1463
1464 s = splhigh();
1465 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1466 RADEON_PLL_WR_EN);
1467 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1468 val = (val & andmask) | ormask;
1469 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1470 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1471 splx(s);
1472 }
1473
1474 int
1475 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1476 {
1477 uint32_t saved;
1478
1479 saved = GET32(sc, reg);
1480 PUT32(sc, reg, v);
1481 if (GET32(sc, reg) != v) {
1482 return -1;
1483 }
1484 PUT32(sc, reg, saved);
1485 return 0;
1486 }
1487
1488 uintmax_t
1489 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1490 uintmax_t defval)
1491 {
1492 prop_number_t pn;
1493 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1494 if (pn == NULL) {
1495 return defval;
1496 }
1497 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1498 return (prop_number_integer_value(pn));
1499 }
1500
1501 int
1502 radeonfb_getclocks(struct radeonfb_softc *sc)
1503 {
1504 bus_addr_t ptr;
1505 int refclk = 0;
1506 int refdiv = 0;
1507 int minpll = 0;
1508 int maxpll = 0;
1509
1510 /* load initial property values if port/board provides them */
1511 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1512 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1513 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1514 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1515
1516 PRINTPLL(RADEON_PPLL_REF_DIV);
1517 PRINTPLL(RADEON_PPLL_DIV_0);
1518 PRINTPLL(RADEON_PPLL_DIV_1);
1519 PRINTPLL(RADEON_PPLL_DIV_2);
1520 PRINTPLL(RADEON_PPLL_DIV_3);
1521 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
1522 PRINTPLL(RADEON_P2PLL_REF_DIV);
1523 PRINTPLL(RADEON_P2PLL_DIV_0);
1524
1525 if (refclk && refdiv && minpll && maxpll)
1526 goto dontprobe;
1527
1528 if (!sc->sc_biossz) {
1529 /* no BIOS */
1530 aprint_verbose("%s: No video BIOS, using default clocks\n",
1531 XNAME(sc));
1532 if (IS_IGP(sc))
1533 refclk = refclk ? refclk : 1432;
1534 else
1535 refclk = refclk ? refclk : 2700;
1536 refdiv = refdiv ? refdiv : 12;
1537 minpll = minpll ? minpll : 12500;
1538 /* XXX
1539 * Need to check if the firmware or something programmed a
1540 * higher value than this, and if so, bump it.
1541 * The RV280 in my iBook is unhappy if the PLL input is less
1542 * than 360MHz
1543 */
1544 maxpll = maxpll ? maxpll : 40000/*35000*/;
1545 } else if (IS_ATOM(sc)) {
1546 /* ATOM BIOS */
1547 ptr = GETBIOS16(sc, 0x48);
1548 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1549 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1550 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1551 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1552 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1553 /*
1554 * ATOM BIOS doesn't supply a reference divider, so we
1555 * have to probe for it.
1556 */
1557 if (refdiv < 2)
1558 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1559 RADEON_PPLL_REF_DIV_MASK;
1560 /*
1561 * if probe is zero, just assume one that should work
1562 * for most parts
1563 */
1564 if (refdiv < 2)
1565 refdiv = 12;
1566
1567 } else {
1568 uint32_t tmp = GETPLL(sc, RADEON_PPLL_REF_DIV);
1569 /* Legacy BIOS */
1570 ptr = GETBIOS16(sc, 0x48);
1571 ptr = GETBIOS16(sc, ptr + 0x30);
1572 if (IS_R300(sc)) {
1573 refdiv = refdiv ? refdiv :
1574 (tmp & R300_PPLL_REF_DIV_ACC_MASK) >>
1575 R300_PPLL_REF_DIV_ACC_SHIFT;
1576 } else {
1577 refdiv = refdiv ? refdiv :
1578 tmp & RADEON_PPLL_REF_DIV_MASK;
1579 }
1580 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1581 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1582 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1583 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1584 }
1585
1586
1587 dontprobe:
1588 sc->sc_refclk = refclk * 10;
1589 sc->sc_refdiv = refdiv;
1590 sc->sc_minpll = minpll * 10;
1591 sc->sc_maxpll = maxpll * 10;
1592 return 0;
1593 }
1594
1595 int
1596 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1597 uint32_t *postdivbit, uint32_t *feedbackdiv)
1598 {
1599 int i;
1600 uint32_t outfreq;
1601 int div;
1602
1603 DPRINTF(("dot clock: %u\n", dotclock));
1604 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1605 outfreq = div * dotclock;
1606 if ((outfreq >= sc->sc_minpll) &&
1607 (outfreq <= sc->sc_maxpll)) {
1608 DPRINTF(("outfreq: %u\n", outfreq));
1609 *postdivbit =
1610 ((uint32_t)radeonfb_dividers[i].mask << 16);
1611 DPRINTF(("post divider: %d (mask %x)\n", div,
1612 *postdivbit));
1613 break;
1614 }
1615 }
1616
1617 if (div == 0)
1618 return 1;
1619
1620 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1621 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1622 return 0;
1623 }
1624
1625 #if 0
1626 #ifdef RADEONFB_DEBUG
1627 static void
1628 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1629 {
1630 char asc[17];
1631 unsigned ptr = (unsigned)buffer;
1632 char *start = (char *)(ptr & ~0xf);
1633 char *end = (char *)(ptr + size);
1634
1635 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1636
1637 if (pfx == NULL) {
1638 pfx = "";
1639 }
1640
1641 while (start < end) {
1642 unsigned offset = (unsigned)start & 0xf;
1643 if (offset == 0) {
1644 printf("%s%x: ", pfx, (unsigned)start);
1645 }
1646 if (((unsigned)start < ptr) ||
1647 ((unsigned)start >= (ptr + size))) {
1648 printf(" ");
1649 asc[offset] = ' ';
1650 } else {
1651 printf("%02x", *(unsigned char *)start);
1652 if ((*start >= ' ') && (*start <= '~')) {
1653 asc[offset] = *start;
1654 } else {
1655 asc[offset] = '.';
1656 }
1657 }
1658 asc[offset + 1] = 0;
1659 if (offset % 2) {
1660 printf(" ");
1661 }
1662 if (offset == 15) {
1663 printf(" %s\n", asc);
1664 }
1665 start++;
1666 }
1667 }
1668 #endif
1669 #endif
1670
1671 int
1672 radeonfb_getconnectors(struct radeonfb_softc *sc)
1673 {
1674 int i;
1675 int found = 0;
1676
1677 for (i = 0; i < 2; i++) {
1678 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1679 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1680 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1681 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1682 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1683 }
1684
1685 /*
1686 * This logic is borrowed from Xorg's radeon driver.
1687 */
1688 if (!sc->sc_biossz)
1689 goto nobios;
1690
1691 if (IS_ATOM(sc)) {
1692 /* not done yet */
1693 } else {
1694 uint16_t ptr;
1695 int port = 0;
1696
1697 ptr = GETBIOS16(sc, 0x48);
1698 ptr = GETBIOS16(sc, ptr + 0x50);
1699 for (i = 1; i < 4; i++) {
1700 uint16_t entry;
1701 uint8_t conn, ddc, dac, tmds;
1702
1703 /*
1704 * Parse the connector table. From reading the code,
1705 * it appears to made up of 16-bit entries for each
1706 * connector. The 16-bits are defined as:
1707 *
1708 * bits 12-15 - connector type (0 == end of table)
1709 * bits 8-11 - DDC type
1710 * bits 5-7 - ???
1711 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1712 * bits 1-3 - ???
1713 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1714 */
1715 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1716 break;
1717 entry = GETBIOS16(sc, ptr + i * 2);
1718
1719 conn = (entry >> 12) & 0xf;
1720 ddc = (entry >> 8) & 0xf;
1721 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1722 RADEON_DAC_PRIMARY;
1723 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1724 RADEON_TMDS_INT;
1725
1726 if (conn == RADEON_CONN_NONE)
1727 continue; /* no connector */
1728
1729 if ((found > 0) &&
1730 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1731 /* duplicate entry for same connector */
1732 continue;
1733 }
1734
1735 /* internal DDC_DVI port gets priority */
1736 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1737 port = 0;
1738 else
1739 port = 1;
1740
1741 sc->sc_ports[port].rp_ddc_type =
1742 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1743 sc->sc_ports[port].rp_dac_type = dac;
1744 sc->sc_ports[port].rp_conn_type =
1745 min(conn, RADEON_CONN_UNSUPPORTED) ;
1746
1747 sc->sc_ports[port].rp_tmds_type = tmds;
1748
1749 if ((conn != RADEON_CONN_DVI_I) &&
1750 (conn != RADEON_CONN_DVI_D) &&
1751 (tmds == RADEON_TMDS_INT))
1752 sc->sc_ports[port].rp_tmds_type =
1753 RADEON_TMDS_UNKNOWN;
1754 sc->sc_ports[port].rp_number = i - 1;
1755
1756 found += (port + 1);
1757 }
1758 }
1759
1760 nobios:
1761 if (!found) {
1762 DPRINTF(("No connector info in BIOS!\n"));
1763 if IS_MOBILITY(sc) {
1764 /* default, port 0 = internal TMDS, port 1 = CRT */
1765 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1766 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1767 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1768 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1769 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1770 sc->sc_ports[0].rp_number = 0;
1771
1772 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1773 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1774 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1775 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1776 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1777 sc->sc_ports[1].rp_number = 1;
1778 } else {
1779 /* default, port 0 = DVI, port 1 = CRT */
1780 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1781 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1782 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1783 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1784 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1785 sc->sc_ports[0].rp_number = 1;
1786
1787 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1788 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1789 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1790 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1791 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1792 sc->sc_ports[1].rp_number = 0;
1793 }
1794 }
1795
1796 /*
1797 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1798 * these chips should use TVDAC for the VGA port.
1799 */
1800 if (HAS_SDAC(sc)) {
1801 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1802 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1803 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1804 } else {
1805 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1806 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1807 }
1808 } else if (!HAS_CRTC2(sc)) {
1809 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1810 }
1811
1812 for (i = 0; i < 2; i++) {
1813 char edid[128];
1814 uint8_t ddc;
1815 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1816 prop_data_t edid_data;
1817
1818 DPRINTF(("Port #%d:\n", i));
1819 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1820 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1821 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1822 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1823 DPRINTF((" crtc = %d\n", sc->sc_ports[i].rp_number));
1824
1825 sc->sc_ports[i].rp_edid_valid = 0;
1826 /* first look for static EDID data */
1827 if ((edid_data = prop_dictionary_get(device_properties(
1828 sc->sc_dev), "EDID")) != NULL) {
1829
1830 aprint_debug_dev(sc->sc_dev, "using static EDID\n");
1831 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1832 if (edid_parse(edid, eip) == 0) {
1833
1834 sc->sc_ports[i].rp_edid_valid = 1;
1835 }
1836 }
1837 /* if we didn't find any we'll try to talk to the monitor */
1838 if (sc->sc_ports[i].rp_edid_valid != 1) {
1839
1840 ddc = sc->sc_ports[i].rp_ddc_type;
1841 if (ddc != RADEON_DDC_NONE) {
1842 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1843 == 0) && (edid_parse(edid, eip) == 0)) {
1844
1845 sc->sc_ports[i].rp_edid_valid = 1;
1846 #ifdef RADEONFB_DEBUG
1847 edid_print(eip);
1848 #endif
1849 }
1850 }
1851 }
1852 }
1853
1854 return found;
1855 }
1856
1857 int
1858 radeonfb_gettmds(struct radeonfb_softc *sc)
1859 {
1860 int i;
1861
1862 if (!sc->sc_biossz) {
1863 goto nobios;
1864 }
1865
1866 if (IS_ATOM(sc)) {
1867 /* XXX: not done yet */
1868 } else {
1869 uint16_t ptr;
1870 int n;
1871
1872 ptr = GETBIOS16(sc, 0x48);
1873 ptr = GETBIOS16(sc, ptr + 0x34);
1874 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1875 if (GETBIOS8(sc, ptr) == 3) {
1876 /* revision three table */
1877 n = GETBIOS8(sc, ptr + 5) + 1;
1878 n = min(n, 4);
1879
1880 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1881 for (i = 0; i < n; i++) {
1882 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1883 ptr + i * 10 + 8);
1884 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1885 ptr + i * 10 + 0x10);
1886 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1887 sc->sc_tmds_pll[i].rtp_freq,
1888 sc->sc_tmds_pll[i].rtp_pll));
1889 }
1890 return 0;
1891 }
1892 }
1893
1894 nobios:
1895 DPRINTF(("no suitable DFP table present\n"));
1896 for (i = 0;
1897 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1898 i++) {
1899 int j;
1900
1901 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1902 continue;
1903
1904 for (j = 0; j < 4; j++) {
1905 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1906 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1907 sc->sc_tmds_pll[j].rtp_freq,
1908 sc->sc_tmds_pll[j].rtp_pll));
1909 }
1910 return 0;
1911 }
1912
1913 return -1;
1914 }
1915
1916 const struct videomode *
1917 radeonfb_modelookup(const char *name)
1918 {
1919 int i;
1920
1921 for (i = 0; i < videomode_count; i++)
1922 if (!strcmp(name, videomode_list[i].name))
1923 return &videomode_list[i];
1924
1925 return NULL;
1926 }
1927
1928 void
1929 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1930 {
1931 if (crtc) {
1932 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1933 RADEON_P2PLL_ATOMIC_UPDATE_R);
1934 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1935 } else {
1936 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1937 RADEON_PPLL_ATOMIC_UPDATE_R);
1938 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1939 }
1940 }
1941
1942 void
1943 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1944 {
1945 int i;
1946
1947 for (i = 10000; i; i--) {
1948 if (crtc) {
1949 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1950 RADEON_P2PLL_ATOMIC_UPDATE_R)
1951 break;
1952 } else {
1953 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1954 RADEON_PPLL_ATOMIC_UPDATE_R)
1955 break;
1956 }
1957 }
1958 }
1959
1960 void
1961 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1962 {
1963 uint32_t pbit = 0;
1964 uint32_t feed = 0;
1965 uint32_t data, refdiv, div0;
1966
1967 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1968
1969 if (crtc == 0) {
1970
1971 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV);
1972 if (IS_R300(sc)) {
1973 refdiv = (refdiv & ~R300_PPLL_REF_DIV_ACC_MASK) |
1974 (sc->sc_refdiv << R300_PPLL_REF_DIV_ACC_SHIFT);
1975 } else {
1976 refdiv = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) |
1977 sc->sc_refdiv;
1978 }
1979 div0 = GETPLL(sc, RADEON_PPLL_DIV_0);
1980 div0 &= ~(RADEON_PPLL_FB3_DIV_MASK |
1981 RADEON_PPLL_POST3_DIV_MASK);
1982 div0 |= pbit;
1983 div0 |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1984
1985 if ((refdiv == GETPLL(sc, RADEON_PPLL_REF_DIV)) &&
1986 (div0 == GETPLL(sc, RADEON_PPLL_DIV_0))) {
1987 /*
1988 * nothing to do here, the PLL is already where we
1989 * want it
1990 */
1991 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1992 ~RADEON_PLL_DIV_SEL);
1993 aprint_debug_dev(sc->sc_dev, "no need to touch the PLL\n");
1994 return;
1995 }
1996
1997 /* alright, we do need to reprogram stuff */
1998 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1999 RADEON_VCLK_SRC_SEL_CPUCLK,
2000 ~RADEON_VCLK_SRC_SEL_MASK);
2001
2002 /* put vclk into reset, use atomic updates */
2003 SETPLL(sc, RADEON_PPLL_CNTL,
2004 RADEON_PPLL_REFCLK_SEL |
2005 RADEON_PPLL_FBCLK_SEL |
2006 RADEON_PPLL_RESET |
2007 RADEON_PPLL_ATOMIC_UPDATE_EN |
2008 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2009
2010 /* select clock 0 */
2011 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
2012 ~RADEON_PLL_DIV_SEL);
2013
2014 PUTPLL(sc, RADEON_PPLL_REF_DIV, refdiv);
2015
2016 /* xf86-video-radeon does this, not sure why */
2017 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2018 PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
2019
2020 /* use the atomic update */
2021 radeonfb_pllwriteupdate(sc, crtc);
2022
2023 /* and wait for it to complete */
2024 radeonfb_pllwaitatomicread(sc, crtc);
2025
2026 /* program HTOTAL (why?) */
2027 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
2028
2029 /* drop reset */
2030 CLRPLL(sc, RADEON_PPLL_CNTL,
2031 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
2032 RADEON_PPLL_ATOMIC_UPDATE_EN |
2033 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
2034
2035 PRINTPLL(RADEON_PPLL_CNTL);
2036 PRINTPLL(RADEON_PPLL_REF_DIV);
2037 PRINTPLL(RADEON_PPLL_DIV_3);
2038
2039 /* give clock time to lock */
2040 delay(50000);
2041
2042 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
2043 RADEON_VCLK_SRC_SEL_PPLLCLK,
2044 ~RADEON_VCLK_SRC_SEL_MASK);
2045
2046 } else {
2047
2048 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2049 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
2050 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2051
2052 /* put vclk into reset, use atomic updates */
2053 SETPLL(sc, RADEON_P2PLL_CNTL,
2054 RADEON_P2PLL_RESET |
2055 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2056 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2057
2058 /* program reference divider */
2059 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
2060 ~RADEON_P2PLL_REF_DIV_MASK);
2061
2062 /* program feedback and post dividers */
2063 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
2064 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
2065 RADEON_P2PLL_POST0_DIV_MASK);
2066 data |= pbit;
2067 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
2068 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2069 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
2070
2071 PRINTPLL(RADEON_P2PLL_REF_DIV);
2072 PRINTPLL(RADEON_P2PLL_DIV_0);
2073
2074 /* use the atomic update */
2075 radeonfb_pllwriteupdate(sc, crtc);
2076
2077 /* and wait for it to complete */
2078 radeonfb_pllwaitatomicread(sc, crtc);
2079
2080 /* program HTOTAL (why?) */
2081 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
2082
2083 /* drop reset */
2084 CLRPLL(sc, RADEON_P2PLL_CNTL,
2085 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
2086 RADEON_P2PLL_ATOMIC_UPDATE_EN |
2087 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
2088
2089 /* allow time for clock to lock */
2090 delay(50000);
2091
2092 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
2093 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
2094 ~RADEON_PIX2CLK_SRC_SEL_MASK);
2095 }
2096 PRINTREG(RADEON_CRTC_MORE_CNTL);
2097 }
2098
2099 void
2100 radeonfb_modeswitch(struct radeonfb_display *dp)
2101 {
2102 struct radeonfb_softc *sc = dp->rd_softc;
2103 int i;
2104
2105 /* blank the display while we switch modes */
2106 radeonfb_blank(dp, 1);
2107
2108 #if 0
2109 SET32(sc, RADEON_CRTC_EXT_CNTL,
2110 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2111 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2112 #endif
2113
2114 /* these registers might get in the way... */
2115 PUT32(sc, RADEON_OVR_CLR, 0);
2116 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
2117 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
2118 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
2119 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
2120 PUT32(sc, RADEON_VIPH_CONTROL, 0);
2121 PUT32(sc, RADEON_I2C_CNTL_1, 0);
2122 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2123 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
2124 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
2125 PUT32(sc, RADEON_SURFACE_CNTL, 0);
2126
2127 for (i = 0; i < dp->rd_ncrtcs; i++)
2128 radeonfb_setcrtc(dp, i);
2129
2130 /* activate the display */
2131 radeonfb_blank(dp, 0);
2132 }
2133
2134 void
2135 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
2136 {
2137 int crtc;
2138 struct videomode *mode;
2139 struct radeonfb_softc *sc;
2140 struct radeonfb_crtc *cp;
2141 uint32_t v;
2142 uint32_t gencntl;
2143 uint32_t htotaldisp;
2144 uint32_t hsyncstrt;
2145 uint32_t vtotaldisp;
2146 uint32_t vsyncstrt;
2147 uint32_t fphsyncstrt;
2148 uint32_t fpvsyncstrt;
2149 uint32_t fphtotaldisp;
2150 uint32_t fpvtotaldisp;
2151 uint32_t pitch;
2152
2153 sc = dp->rd_softc;
2154 cp = &dp->rd_crtcs[index];
2155 crtc = cp->rc_number;
2156 mode = &cp->rc_videomode;
2157
2158 #if 1
2159 pitch = dp->rd_stride / dp->rd_bpp;
2160 #else
2161 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
2162 (sc->sc_maxbpp * 8));
2163 #endif
2164 switch (crtc) {
2165 case 0:
2166 gencntl = RADEON_CRTC_GEN_CNTL;
2167 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
2168 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
2169 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
2170 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2171 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2172 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2173 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2174 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2175 break;
2176 case 1:
2177 gencntl = RADEON_CRTC2_GEN_CNTL;
2178 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2179 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2180 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2181 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2182 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2183 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2184 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
2185 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
2186 break;
2187 default:
2188 panic("Bad CRTC!");
2189 break;
2190 }
2191
2192 /*
2193 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2194 */
2195 /* only bother with 32bpp and 8bpp */
2196 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2197
2198 if (crtc == 1) {
2199 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2200 } else {
2201 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2202 }
2203
2204 if (mode->flags & VID_DBLSCAN)
2205 v |= RADEON_CRTC2_DBL_SCAN_EN;
2206
2207 if (mode->flags & VID_INTERLACE)
2208 v |= RADEON_CRTC2_INTERLACE_EN;
2209
2210 if (mode->flags & VID_CSYNC) {
2211 v |= RADEON_CRTC2_CSYNC_EN;
2212 if (crtc == 1)
2213 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2214 }
2215
2216 PUT32(sc, gencntl, v);
2217 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2218
2219 /*
2220 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2221 */
2222 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2223 if (crtc == 0) {
2224 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2225 RADEON_CRTC_DISPLAY_DIS);
2226 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2227 if (mode->flags & VID_CSYNC)
2228 v |= RADEON_CRTC_VSYNC_TRISTAT;
2229 }
2230 /* unconditional turn on CRT, in case first CRTC is DFP */
2231 v |= RADEON_CRTC_CRT_ON;
2232 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2233 PRINTREG(RADEON_CRTC_EXT_CNTL);
2234
2235 /*
2236 * H_TOTAL_DISP
2237 */
2238 v = ((mode->hdisplay / 8) - 1) << 16;
2239 v |= (mode->htotal / 8) - 1;
2240 PUT32(sc, htotaldisp, v);
2241 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2242 PUT32(sc, fphtotaldisp, v);
2243 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2244
2245 /*
2246 * H_SYNC_STRT_WID
2247 */
2248 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2249 v |= (mode->hsync_start - 8); /* match xf86-video-radeon */
2250 if (mode->flags & VID_NHSYNC)
2251 v |= RADEON_CRTC_H_SYNC_POL;
2252 PUT32(sc, hsyncstrt, v);
2253 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2254 PUT32(sc, fphsyncstrt, v);
2255 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2256
2257 /*
2258 * V_TOTAL_DISP
2259 */
2260 v = ((mode->vdisplay - 1) << 16);
2261 v |= (mode->vtotal - 1);
2262 PUT32(sc, vtotaldisp, v);
2263 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2264 PUT32(sc, fpvtotaldisp, v);
2265 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2266
2267 /*
2268 * V_SYNC_STRT_WID
2269 */
2270 v = ((mode->vsync_end - mode->vsync_start) << 16);
2271 v |= (mode->vsync_start - 1);
2272 if (mode->flags & VID_NVSYNC)
2273 v |= RADEON_CRTC_V_SYNC_POL;
2274 PUT32(sc, vsyncstrt, v);
2275 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2276 PUT32(sc, fpvsyncstrt, v);
2277 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2278
2279 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2280
2281 switch (crtc) {
2282 case 0:
2283 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2284 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2285 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2286 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2287
2288 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2289 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2290 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2291 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2292 PRINTREG(RADEON_CRTC_EXT_CNTL);
2293 PRINTREG(RADEON_CRTC_GEN_CNTL);
2294 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2295 break;
2296
2297 case 1:
2298 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2299 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2300 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2301 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2302 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2303 RADEON_CRTC2_VSYNC_DIS |
2304 RADEON_CRTC2_HSYNC_DIS |
2305 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2306 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2307 break;
2308 }
2309 }
2310
2311 int
2312 radeonfb_isblank(struct radeonfb_display *dp)
2313 {
2314 uint32_t reg, mask;
2315
2316 if(!dp->rd_softc->sc_mapped)
2317 return 1;
2318
2319 if (dp->rd_crtcs[0].rc_number) {
2320 reg = RADEON_CRTC2_GEN_CNTL;
2321 mask = RADEON_CRTC2_DISP_DIS;
2322 } else {
2323 reg = RADEON_CRTC_EXT_CNTL;
2324 mask = RADEON_CRTC_DISPLAY_DIS;
2325 }
2326 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2327 }
2328
2329 void
2330 radeonfb_blank(struct radeonfb_display *dp, int blank)
2331 {
2332 struct radeonfb_softc *sc = dp->rd_softc;
2333 uint32_t reg, mask;
2334 uint32_t fpreg, fpval;
2335 int i;
2336
2337 if (!sc->sc_mapped)
2338 return;
2339
2340 for (i = 0; i < dp->rd_ncrtcs; i++) {
2341
2342 if (dp->rd_crtcs[i].rc_number) {
2343 reg = RADEON_CRTC2_GEN_CNTL;
2344 mask = RADEON_CRTC2_DISP_DIS;
2345 fpreg = RADEON_FP2_GEN_CNTL;
2346 fpval = RADEON_FP2_ON;
2347 } else {
2348 reg = RADEON_CRTC_EXT_CNTL;
2349 mask = RADEON_CRTC_DISPLAY_DIS;
2350 fpreg = RADEON_FP_GEN_CNTL;
2351 fpval = RADEON_FP_FPON;
2352 }
2353
2354 if (blank) {
2355 SET32(sc, reg, mask);
2356 CLR32(sc, fpreg, fpval);
2357 } else {
2358 CLR32(sc, reg, mask);
2359 SET32(sc, fpreg, fpval);
2360 }
2361 }
2362 PRINTREG(RADEON_FP_GEN_CNTL);
2363 PRINTREG(RADEON_FP2_GEN_CNTL);
2364 }
2365
2366 void
2367 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2368 long *defattr)
2369 {
2370 struct radeonfb_display *dp = cookie;
2371 struct rasops_info *ri = &scr->scr_ri;
2372
2373 /* initialize font subsystem */
2374 wsfont_init();
2375
2376 DPRINTF(("init screen called, existing %d\n", existing));
2377
2378 ri->ri_depth = dp->rd_bpp;
2379 ri->ri_width = dp->rd_virtx;
2380 ri->ri_height = dp->rd_virty;
2381 ri->ri_stride = dp->rd_stride;
2382 ri->ri_flg = RI_CENTER;
2383 switch (ri->ri_depth) {
2384 case 8:
2385 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB;
2386 break;
2387 case 32:
2388 ri->ri_flg |= RI_ENABLE_ALPHA;
2389 /* we run radeons in RGB even on SPARC hardware */
2390 ri->ri_rnum = 8;
2391 ri->ri_gnum = 8;
2392 ri->ri_bnum = 8;
2393 ri->ri_rpos = 16;
2394 ri->ri_gpos = 8;
2395 ri->ri_bpos = 0;
2396 break;
2397 }
2398
2399 ri->ri_bits = (void *)dp->rd_fbptr;
2400
2401 #ifdef VCONS_DRAW_INTR
2402 scr->scr_flags |= VCONS_DONT_READ;
2403 #endif
2404
2405 if (existing) {
2406 ri->ri_flg |= RI_CLEAR;
2407
2408 /* start a modeswitch now */
2409 radeonfb_modeswitch(dp);
2410 }
2411
2412 /*
2413 * XXX: font selection should be based on properties, with some
2414 * normal/reasonable default.
2415 */
2416
2417 /* initialize and look for an initial font */
2418 rasops_init(ri, 0, 0);
2419 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
2420 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE;
2421
2422 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2423 dp->rd_virtx / ri->ri_font->fontwidth);
2424
2425 /* enable acceleration */
2426 dp->rd_putchar = ri->ri_ops.putchar;
2427 ri->ri_ops.copyrows = radeonfb_copyrows;
2428 ri->ri_ops.copycols = radeonfb_copycols;
2429 ri->ri_ops.eraserows = radeonfb_eraserows;
2430 ri->ri_ops.erasecols = radeonfb_erasecols;
2431 /* pick a putchar method based on font and Radeon model */
2432 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2433 /* got a bitmap font */
2434 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
2435 if (IS_R300(dp->rd_softc)) {
2436 /*
2437 * radeonfb_putchar() doesn't work right on some R3xx
2438 * so we use software drawing here, the wrapper just
2439 * makes sure the engine is idle before scribbling
2440 * into vram
2441 */
2442 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2443 } else
2444 #endif
2445 ri->ri_ops.putchar = radeonfb_putchar;
2446 } else {
2447 /* got an alpha font */
2448 switch(ri->ri_depth) {
2449 case 32:
2450 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2451 break;
2452 case 8:
2453 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2454 break;
2455 default:
2456 /* XXX this should never happen */
2457 panic("%s: depth is not 8 or 32 but we got an" \
2458 " alpha font?!", __func__);
2459 }
2460 }
2461 ri->ri_ops.cursor = radeonfb_cursor;
2462 }
2463
2464 void
2465 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2466 {
2467 uint32_t gen, ext, gen2 = 0;
2468 uint32_t agploc, aperbase, apersize, mcfbloc;
2469
2470 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2471 /* XXX */
2472 ext = GET32(sc, RADEON_CRTC_EXT_CNTL) & ~RADEON_CRTC_DISPLAY_DIS;
2473 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2474 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2475 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2476
2477 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2478 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2479 #if 0
2480 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2481 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2482 #endif
2483
2484 if (HAS_CRTC2(sc)) {
2485 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2486 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2487 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2488 }
2489
2490 delay(100000);
2491
2492 mcfbloc = (aperbase >> 16) |
2493 ((aperbase + (apersize - 1)) & 0xffff0000);
2494
2495 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2496 sc->sc_memsz = apersize;
2497
2498 if (((agploc & 0xffff) << 16) !=
2499 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2500 agploc = mcfbloc & 0xffff0000U;
2501 agploc |= ((agploc + 0x10000) >> 16);
2502 }
2503
2504 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2505
2506 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2507 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2508
2509 DPRINTF(("aperbase = %u\n", aperbase));
2510 PRINTREG(RADEON_MC_FB_LOCATION);
2511 PRINTREG(RADEON_MC_AGP_LOCATION);
2512
2513 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2514
2515 if (HAS_CRTC2(sc))
2516 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2517
2518 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2519
2520 #if 0
2521 /* XXX: what is this AGP garbage? :-) */
2522 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2523 #endif
2524
2525 delay(100000);
2526
2527 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2528 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2529
2530 if (HAS_CRTC2(sc))
2531 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2532 }
2533
2534 void
2535 radeonfb_init_misc(struct radeonfb_softc *sc)
2536 {
2537 PUT32(sc, RADEON_BUS_CNTL,
2538 RADEON_BUS_MASTER_DIS |
2539 RADEON_BUS_PREFETCH_MODE_ACT |
2540 RADEON_BUS_PCI_READ_RETRY_EN |
2541 RADEON_BUS_PCI_WRT_RETRY_EN |
2542 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2543 RADEON_BUS_MSTR_RD_MULT |
2544 RADEON_BUS_MSTR_RD_LINE |
2545 RADEON_BUS_RD_DISCARD_EN |
2546 RADEON_BUS_MSTR_DISCONNECT_EN |
2547 RADEON_BUS_READ_BURST);
2548
2549 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2550 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2551 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2552 PUT32(sc, RADEON_RBBM_CNTL,
2553 (3 << RADEON_RB_SETTLE_SHIFT) |
2554 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2555 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2556 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2557
2558 /* XXX: figure out what these mean! */
2559 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2560 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2561 #if 0
2562 PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2563 #endif
2564
2565 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2566 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2567 }
2568
2569 static void
2570 radeonfb_putpal(struct radeonfb_display *dp, int idx, int r, int g, int b)
2571 {
2572 struct radeonfb_softc *sc = dp->rd_softc;
2573 int crtc, cc;
2574 uint32_t vclk;
2575
2576 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2577 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2578
2579 /* initialize the palette for every CRTC used by this display */
2580 for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
2581 crtc = dp->rd_crtcs[cc].rc_number;
2582 DPRINTF(("%s: doing crtc %d %d\n", __func__, cc, crtc));
2583
2584 if (crtc)
2585 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2586 else
2587 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2588
2589 PUT32(sc, RADEON_PALETTE_INDEX, idx);
2590 PUT32(sc, RADEON_PALETTE_30_DATA,
2591 (r << 22) | (g << 12) | (b << 2));
2592 }
2593
2594 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2595 }
2596
2597 /*
2598 * This loads a linear color map for true color.
2599 */
2600 void
2601 radeonfb_init_palette(struct radeonfb_display *dp)
2602 {
2603 int i;
2604
2605 #define DAC_WIDTH ((1 << 10) - 1)
2606 #define CLUT_WIDTH ((1 << 8) - 1)
2607 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2608
2609 if (dp->rd_bpp == 8) {
2610
2611 /* R3G3B2 palette */
2612 uint32_t tmp, r, g, b;
2613
2614 for (i = 0; i <= CLUT_WIDTH; ++i) {
2615 tmp = i & 0xe0;
2616
2617 /*
2618 * replicate bits so 0xe0 maps to a red value of 0xff
2619 * in order to make white look actually white
2620 */
2621 tmp |= (tmp >> 3) | (tmp >> 6);
2622 r = tmp;
2623
2624 tmp = (i & 0x1c) << 3;
2625 tmp |= (tmp >> 3) | (tmp >> 6);
2626 g = tmp;
2627
2628 tmp = (i & 0x03) << 6;
2629 tmp |= tmp >> 2;
2630 tmp |= tmp >> 4;
2631 b = tmp;
2632
2633 radeonfb_putpal(dp, i, r, g, b);
2634 }
2635 } else {
2636 /* linear ramp */
2637 for (i = 0; i <= CLUT_WIDTH; ++i) {
2638 radeonfb_putpal(dp, i, i, i, i);
2639 }
2640 }
2641 }
2642
2643 static int
2644 radeonfb_putcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
2645 {
2646 u_char *r, *g, *b;
2647 u_int index = cm->index;
2648 u_int count = cm->count;
2649 int i, error;
2650 u_char rbuf[256], gbuf[256], bbuf[256];
2651
2652 #ifdef GENFB_DEBUG
2653 aprint_debug("putcmap: %d %d\n",index, count);
2654 #endif
2655 if (cm->index >= 256 || cm->count > 256 ||
2656 (cm->index + cm->count) > 256)
2657 return EINVAL;
2658 error = copyin(cm->red, &rbuf[index], count);
2659 if (error)
2660 return error;
2661 error = copyin(cm->green, &gbuf[index], count);
2662 if (error)
2663 return error;
2664 error = copyin(cm->blue, &bbuf[index], count);
2665 if (error)
2666 return error;
2667
2668 memcpy(&dp->rd_cmap_red[index], &rbuf[index], count);
2669 memcpy(&dp->rd_cmap_green[index], &gbuf[index], count);
2670 memcpy(&dp->rd_cmap_blue[index], &bbuf[index], count);
2671
2672 r = &dp->rd_cmap_red[index];
2673 g = &dp->rd_cmap_green[index];
2674 b = &dp->rd_cmap_blue[index];
2675
2676 for (i = 0; i < count; i++) {
2677 radeonfb_putpal(dp, index, *r, *g, *b);
2678 index++;
2679 r++, g++, b++;
2680 }
2681 return 0;
2682 }
2683
2684 static int
2685 radeonfb_getcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
2686 {
2687 u_int index = cm->index;
2688 u_int count = cm->count;
2689 int error;
2690
2691 if (index >= 255 || count > 256 || index + count > 256)
2692 return EINVAL;
2693
2694 error = copyout(&dp->rd_cmap_red[index], cm->red, count);
2695 if (error)
2696 return error;
2697 error = copyout(&dp->rd_cmap_green[index], cm->green, count);
2698 if (error)
2699 return error;
2700 error = copyout(&dp->rd_cmap_blue[index], cm->blue, count);
2701 if (error)
2702 return error;
2703
2704 return 0;
2705 }
2706
2707 /*
2708 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2709 */
2710 void
2711 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2712 {
2713 uint32_t tmp, save;
2714
2715 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2716 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2717 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2718 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2719 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2720 }
2721
2722 /*
2723 * Acceleration entry points.
2724 */
2725
2726 /* this one draws characters using bitmap fonts */
2727 static void
2728 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2729 {
2730 struct rasops_info *ri = cookie;
2731 struct vcons_screen *scr = ri->ri_hw;
2732 struct radeonfb_display *dp = scr->scr_cookie;
2733 struct radeonfb_softc *sc = dp->rd_softc;
2734 struct wsdisplay_font *font = PICK_FONT(ri, c);
2735 uint32_t w, h;
2736 int xd, yd, offset, i;
2737 uint32_t bg, fg, gmc;
2738 uint32_t reg;
2739 uint8_t *data8;
2740 uint16_t *data16;
2741 void *data;
2742
2743 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2744 return;
2745
2746 if (!CHAR_IN_FONT(c, font))
2747 return;
2748
2749 w = font->fontwidth;
2750 h = font->fontheight;
2751
2752 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2753 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2754
2755 xd = ri->ri_xorigin + col * w;
2756 yd = ri->ri_yorigin + row * h;
2757
2758 if (c == 0x20) {
2759 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2760 return;
2761 }
2762 data = WSFONT_GLYPH(c, font);
2763
2764 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2765
2766 radeonfb_wait_fifo(sc, 9);
2767
2768 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2769 RADEON_GMC_BRUSH_NONE |
2770 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2771 RADEON_GMC_DST_CLIPPING |
2772 RADEON_ROP3_S |
2773 RADEON_DP_SRC_SOURCE_HOST_DATA |
2774 RADEON_GMC_CLR_CMP_CNTL_DIS |
2775 RADEON_GMC_WR_MSK_DIS |
2776 gmc);
2777
2778 PUT32(sc, RADEON_SC_LEFT, xd);
2779 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2780 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2781 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2782 PUT32(sc, RADEON_DP_CNTL,
2783 RADEON_DST_X_LEFT_TO_RIGHT |
2784 RADEON_DST_Y_TOP_TO_BOTTOM);
2785
2786 PUT32(sc, RADEON_SRC_X_Y, 0);
2787 offset = 32 - (font->stride << 3);
2788 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2789 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2790
2791 radeonfb_wait_fifo(sc, h);
2792 switch (font->stride) {
2793 case 1: {
2794 data8 = data;
2795 for (i = 0; i < h; i++) {
2796 reg = *data8;
2797 #if BYTE_ORDER == LITTLE_ENDIAN
2798 reg = reg << 24;
2799 #endif
2800 bus_space_write_stream_4(sc->sc_regt,
2801 sc->sc_regh, RADEON_HOST_DATA0, reg);
2802 data8++;
2803 }
2804 break;
2805 }
2806 case 2: {
2807 data16 = data;
2808 for (i = 0; i < h; i++) {
2809 reg = *data16;
2810 #if BYTE_ORDER == LITTLE_ENDIAN
2811 reg = reg << 16;
2812 #endif
2813 bus_space_write_stream_4(sc->sc_regt,
2814 sc->sc_regh, RADEON_HOST_DATA0, reg);
2815 data16++;
2816 }
2817 break;
2818 }
2819 }
2820 if (attr & 1)
2821 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2822 }
2823
2824 /* ... while this one is for anti-aliased ones */
2825 static void
2826 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
2827 {
2828 struct rasops_info *ri = cookie;
2829 struct vcons_screen *scr = ri->ri_hw;
2830 struct radeonfb_display *dp = scr->scr_cookie;
2831 struct radeonfb_softc *sc = dp->rd_softc;
2832 struct wsdisplay_font *font = PICK_FONT(ri, c);
2833 uint32_t bg, fg, gmc;
2834 uint8_t *data;
2835 int w, h, xd, yd;
2836 int i, r, g, b, aval;
2837 int rf, gf, bf, rb, gb, bb;
2838 uint32_t pixel;
2839 int rv;
2840
2841 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2842 return;
2843
2844 if (!CHAR_IN_FONT(c, font))
2845 return;
2846
2847 w = font->fontwidth;
2848 h = font->fontheight;
2849
2850 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2851 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2852
2853 xd = ri->ri_xorigin + col * w;
2854 yd = ri->ri_yorigin + row * h;
2855
2856 if (c == 0x20) {
2857 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2858 if (attr & 1)
2859 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2860 return;
2861 }
2862 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
2863 if (rv == GC_OK)
2864 return;
2865
2866 data = WSFONT_GLYPH(c, font);
2867
2868 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2869
2870 radeonfb_wait_fifo(sc, 5);
2871
2872 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2873 RADEON_GMC_BRUSH_NONE |
2874 RADEON_GMC_SRC_DATATYPE_COLOR |
2875 RADEON_ROP3_S |
2876 RADEON_DP_SRC_SOURCE_HOST_DATA |
2877 RADEON_GMC_CLR_CMP_CNTL_DIS |
2878 RADEON_GMC_WR_MSK_DIS |
2879 gmc);
2880
2881 PUT32(sc, RADEON_DP_CNTL,
2882 RADEON_DST_X_LEFT_TO_RIGHT |
2883 RADEON_DST_Y_TOP_TO_BOTTOM);
2884
2885 PUT32(sc, RADEON_SRC_X_Y, 0);
2886 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2887 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
2888
2889 rf = (fg >> 16) & 0xff;
2890 rb = (bg >> 16) & 0xff;
2891 gf = (fg >> 8) & 0xff;
2892 gb = (bg >> 8) & 0xff;
2893 bf = fg & 0xff;
2894 bb = bg & 0xff;
2895
2896 /*
2897 * I doubt we can upload data faster than even the slowest Radeon
2898 * could process them, especially when doing the alpha blending stuff
2899 * along the way, so just make sure there's some room in the FIFO and
2900 * then hammer away
2901 * As it turns out we can, so make periodic stops to let the FIFO
2902 * drain.
2903 */
2904 radeonfb_wait_fifo(sc, 20);
2905 for (i = 0; i < ri->ri_fontscale; i++) {
2906 aval = *data;
2907 data++;
2908 if (aval == 0) {
2909 pixel = bg;
2910 } else if (aval == 255) {
2911 pixel = fg;
2912 } else {
2913 r = aval * rf + (255 - aval) * rb;
2914 g = aval * gf + (255 - aval) * gb;
2915 b = aval * bf + (255 - aval) * bb;
2916 pixel = (r & 0xff00) << 8 |
2917 (g & 0xff00) |
2918 (b & 0xff00) >> 8;
2919 }
2920 if (i & 16)
2921 radeonfb_wait_fifo(sc, 20);
2922 PUT32(sc, RADEON_HOST_DATA0, pixel);
2923 }
2924 if (rv == GC_ADD) {
2925 glyphcache_add(&dp->rd_gc, c, xd, yd);
2926 } else
2927 if (attr & 1)
2928 radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
2929
2930 }
2931
2932 static void
2933 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
2934 {
2935 struct rasops_info *ri = cookie;
2936 struct vcons_screen *scr = ri->ri_hw;
2937 struct radeonfb_display *dp = scr->scr_cookie;
2938 struct radeonfb_softc *sc = dp->rd_softc;
2939 struct wsdisplay_font *font = PICK_FONT(ri, c);
2940 uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
2941 int i, x, y, wi, he, r, g, b, aval;
2942 int r1, g1, b1, r0, g0, b0, fgo, bgo;
2943 uint8_t *data8;
2944 int rv, cnt;
2945
2946 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2947 return;
2948
2949 if (!CHAR_IN_FONT(c, font))
2950 return;
2951
2952 wi = font->fontwidth;
2953 he = font->fontheight;
2954
2955 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2956 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2957
2958 x = ri->ri_xorigin + col * wi;
2959 y = ri->ri_yorigin + row * he;
2960
2961 if (c == 0x20) {
2962 radeonfb_rectfill(dp, x, y, wi, he, bg);
2963 if (attr & 1)
2964 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
2965 return;
2966 }
2967 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
2968 if (rv == GC_OK)
2969 return;
2970
2971 data8 = WSFONT_GLYPH(c, font);
2972
2973 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2974
2975 radeonfb_wait_fifo(sc, 5);
2976
2977 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2978 RADEON_GMC_BRUSH_NONE |
2979 RADEON_GMC_SRC_DATATYPE_COLOR |
2980 RADEON_ROP3_S |
2981 RADEON_DP_SRC_SOURCE_HOST_DATA |
2982 RADEON_GMC_CLR_CMP_CNTL_DIS |
2983 RADEON_GMC_WR_MSK_DIS |
2984 gmc);
2985
2986 PUT32(sc, RADEON_DP_CNTL,
2987 RADEON_DST_X_LEFT_TO_RIGHT |
2988 RADEON_DST_Y_TOP_TO_BOTTOM);
2989
2990 PUT32(sc, RADEON_SRC_X_Y, 0);
2991 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
2992 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
2993
2994 /*
2995 * we need the RGB colours here, so get offsets into rasops_cmap
2996 */
2997 fgo = ((attr >> 24) & 0xf) * 3;
2998 bgo = ((attr >> 16) & 0xf) * 3;
2999
3000 r0 = rasops_cmap[bgo];
3001 r1 = rasops_cmap[fgo];
3002 g0 = rasops_cmap[bgo + 1];
3003 g1 = rasops_cmap[fgo + 1];
3004 b0 = rasops_cmap[bgo + 2];
3005 b1 = rasops_cmap[fgo + 2];
3006 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
3007 bg8 = R3G3B2(r0, g0, b0);
3008 fg8 = R3G3B2(r1, g1, b1);
3009
3010 radeonfb_wait_fifo(sc, 20);
3011 cnt = 0;
3012 for (i = 0; i < ri->ri_fontscale; i++) {
3013 aval = *data8;
3014 if (aval == 0) {
3015 pixel = bg8;
3016 } else if (aval == 255) {
3017 pixel = fg8;
3018 } else {
3019 r = aval * r1 + (255 - aval) * r0;
3020 g = aval * g1 + (255 - aval) * g0;
3021 b = aval * b1 + (255 - aval) * b0;
3022 pixel = ((r & 0xe000) >> 8) |
3023 ((g & 0xe000) >> 11) |
3024 ((b & 0xc000) >> 14);
3025 }
3026 latch |= pixel << (8 * (i & 3));
3027 /* write in 32bit chunks */
3028 if ((i & 3) == 3) {
3029 PUT32(sc, RADEON_HOST_DATA0, latch);
3030 /*
3031 * not strictly necessary, old data should be shifted
3032 * out
3033 */
3034 latch = 0;
3035 cnt++;
3036 if (cnt > 16) {
3037 cnt = 0;
3038 radeonfb_wait_fifo(sc, 20);
3039 }
3040 }
3041 data8++;
3042 }
3043 /* if we have pixels left in latch write them out */
3044 if ((i & 3) != 0) {
3045 /*
3046 * radeon is weird - apparently leftover pixels are written
3047 * from the middle, not from the left as everything else
3048 */
3049 PUT32(sc, RADEON_HOST_DATA0, latch);
3050 }
3051
3052 if (rv == GC_ADD) {
3053 glyphcache_add(&dp->rd_gc, c, x, y);
3054 } else
3055 if (attr & 1)
3056 radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
3057
3058 }
3059
3060 /*
3061 * wrapper for software character drawing
3062 * just sync the engine and call rasops*_putchar()
3063 */
3064
3065 #ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
3066 static void
3067 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
3068 {
3069 struct rasops_info *ri = cookie;
3070 struct vcons_screen *scr = ri->ri_hw;
3071 struct radeonfb_display *dp = scr->scr_cookie;
3072
3073 radeonfb_engine_idle(dp->rd_softc);
3074 dp->rd_putchar(ri, row, col, c, attr);
3075 }
3076 #endif
3077
3078 static void
3079 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
3080 {
3081 struct rasops_info *ri = cookie;
3082 struct vcons_screen *scr = ri->ri_hw;
3083 struct radeonfb_display *dp = scr->scr_cookie;
3084 uint32_t x, y, w, h, fg, bg, ul;
3085
3086 /* XXX: check for full emulation mode? */
3087 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3088 x = ri->ri_xorigin;
3089 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3090 w = ri->ri_emuwidth;
3091 h = ri->ri_font->fontheight * nrows;
3092
3093 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3094 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3095 }
3096 }
3097
3098 static void
3099 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
3100 {
3101 struct rasops_info *ri = cookie;
3102 struct vcons_screen *scr = ri->ri_hw;
3103 struct radeonfb_display *dp = scr->scr_cookie;
3104 uint32_t x, ys, yd, w, h;
3105
3106 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3107 x = ri->ri_xorigin;
3108 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
3109 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
3110 w = ri->ri_emuwidth;
3111 h = ri->ri_font->fontheight * nrows;
3112 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
3113 RADEON_ROP3_S);
3114 }
3115 }
3116
3117 static void
3118 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
3119 {
3120 struct rasops_info *ri = cookie;
3121 struct vcons_screen *scr = ri->ri_hw;
3122 struct radeonfb_display *dp = scr->scr_cookie;
3123 uint32_t xs, xd, y, w, h;
3124
3125 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3126 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
3127 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
3128 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3129 w = ri->ri_font->fontwidth * ncols;
3130 h = ri->ri_font->fontheight;
3131 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
3132 RADEON_ROP3_S);
3133 }
3134 }
3135
3136 static void
3137 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
3138 long fillattr)
3139 {
3140 struct rasops_info *ri = cookie;
3141 struct vcons_screen *scr = ri->ri_hw;
3142 struct radeonfb_display *dp = scr->scr_cookie;
3143 uint32_t x, y, w, h, fg, bg, ul;
3144
3145 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3146 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
3147 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
3148 w = ri->ri_font->fontwidth * ncols;
3149 h = ri->ri_font->fontheight;
3150
3151 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
3152 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
3153 }
3154 }
3155
3156 static void
3157 radeonfb_cursor(void *cookie, int on, int row, int col)
3158 {
3159 struct rasops_info *ri = cookie;
3160 struct vcons_screen *scr = ri->ri_hw;
3161 struct radeonfb_display *dp = scr->scr_cookie;
3162 int x, y, wi, he;
3163
3164 wi = ri->ri_font->fontwidth;
3165 he = ri->ri_font->fontheight;
3166
3167 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
3168 x = ri->ri_ccol * wi + ri->ri_xorigin;
3169 y = ri->ri_crow * he + ri->ri_yorigin;
3170 /* first turn off the old cursor */
3171 if (ri->ri_flg & RI_CURSOR) {
3172 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3173 RADEON_ROP3_Dn);
3174 ri->ri_flg &= ~RI_CURSOR;
3175 }
3176 ri->ri_crow = row;
3177 ri->ri_ccol = col;
3178 /* then (possibly) turn on the new one */
3179 if (on) {
3180 x = ri->ri_ccol * wi + ri->ri_xorigin;
3181 y = ri->ri_crow * he + ri->ri_yorigin;
3182 radeonfb_bitblt(dp, x, y, x, y, wi, he,
3183 RADEON_ROP3_Dn);
3184 ri->ri_flg |= RI_CURSOR;
3185 }
3186 } else {
3187 scr->scr_ri.ri_crow = row;
3188 scr->scr_ri.ri_ccol = col;
3189 scr->scr_ri.ri_flg &= ~RI_CURSOR;
3190 }
3191 }
3192
3193 /*
3194 * Underlying acceleration support.
3195 */
3196
3197 static void
3198 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
3199 int width, int height, uint32_t color)
3200 {
3201 struct radeonfb_softc *sc = dp->rd_softc;
3202 uint32_t gmc;
3203
3204 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3205
3206 radeonfb_wait_fifo(sc, 6);
3207
3208 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3209 RADEON_GMC_BRUSH_SOLID_COLOR |
3210 RADEON_GMC_SRC_DATATYPE_COLOR |
3211 RADEON_GMC_CLR_CMP_CNTL_DIS |
3212 RADEON_ROP3_P | gmc);
3213
3214 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
3215 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3216 PUT32(sc, RADEON_DP_CNTL,
3217 RADEON_DST_X_LEFT_TO_RIGHT |
3218 RADEON_DST_Y_TOP_TO_BOTTOM);
3219 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3220 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3221
3222 }
3223
3224 static void
3225 radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
3226 int width, int height, long attr)
3227 {
3228 struct radeonfb_display *dp = cookie;
3229
3230 radeonfb_rectfill(dp, dstx, dsty, width, height,
3231 dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
3232 }
3233
3234 static void
3235 radeonfb_bitblt(void *cookie, int srcx, int srcy,
3236 int dstx, int dsty, int width, int height, int rop)
3237 {
3238 struct radeonfb_display *dp = cookie;
3239 struct radeonfb_softc *sc = dp->rd_softc;
3240 uint32_t gmc;
3241 uint32_t dir;
3242
3243 if (dsty < srcy) {
3244 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
3245 } else {
3246 srcy += height - 1;
3247 dsty += height - 1;
3248 dir = 0;
3249 }
3250 if (dstx < srcx) {
3251 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
3252 } else {
3253 srcx += width - 1;
3254 dstx += width - 1;
3255 }
3256
3257 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
3258
3259 radeonfb_wait_fifo(sc, 6);
3260
3261 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3262 RADEON_GMC_BRUSH_SOLID_COLOR |
3263 RADEON_GMC_SRC_DATATYPE_COLOR |
3264 RADEON_GMC_CLR_CMP_CNTL_DIS |
3265 RADEON_DP_SRC_SOURCE_MEMORY |
3266 rop | gmc);
3267
3268 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3269 PUT32(sc, RADEON_DP_CNTL, dir);
3270 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
3271 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
3272 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
3273 }
3274
3275 static void
3276 radeonfb_engine_idle(struct radeonfb_softc *sc)
3277 {
3278
3279 radeonfb_wait_fifo(sc, 64);
3280 while ((GET32(sc, RADEON_RBBM_STATUS) &
3281 RADEON_RBBM_ACTIVE) != 0);
3282 radeonfb_engine_flush(sc);
3283 }
3284
3285 static inline void
3286 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
3287 {
3288 int i;
3289
3290 for (i = RADEON_TIMEOUT; i; i--) {
3291 if ((GET32(sc, RADEON_RBBM_STATUS) &
3292 RADEON_RBBM_FIFOCNT_MASK) >= n)
3293 return;
3294 }
3295 #ifdef DIAGNOSTIC
3296 if (!i)
3297 printf("%s: timed out waiting for fifo (%x)\n",
3298 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3299 #endif
3300 }
3301
3302 static void
3303 radeonfb_engine_flush(struct radeonfb_softc *sc)
3304 {
3305 int i = 0;
3306
3307 if (IS_R300(sc)) {
3308 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3309 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3310 i++;
3311 }
3312 } else {
3313 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3314 RADEON_RB2D_DC_FLUSH_ALL);
3315 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3316 RADEON_RB2D_DC_BUSY) {
3317 i++;
3318 }
3319 }
3320 #ifdef DIAGNOSTIC
3321 if (i > RADEON_TIMEOUT)
3322 printf("%s: engine flush timed out!\n", XNAME(sc));
3323 #endif
3324 }
3325
3326 static inline void
3327 radeonfb_unclip(struct radeonfb_softc *sc)
3328 {
3329
3330 radeonfb_wait_fifo(sc, 2);
3331 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3332 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3333 }
3334
3335 static void
3336 radeonfb_engine_init(struct radeonfb_display *dp)
3337 {
3338 struct radeonfb_softc *sc = dp->rd_softc;
3339 uint32_t pitch;
3340
3341 /* no 3D */
3342 PUT32(sc, RADEON_RB3D_CNTL, 0);
3343
3344 radeonfb_engine_reset(sc);
3345 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
3346
3347 radeonfb_wait_fifo(sc, 1);
3348 if (!IS_R300(sc))
3349 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3350
3351 radeonfb_wait_fifo(sc, 3);
3352 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
3353 (pitch << 22) | (sc->sc_aperbase >> 10));
3354
3355
3356 PUT32(sc, RADEON_DST_PITCH_OFFSET,
3357 (pitch << 22) | (sc->sc_aperbase >> 10));
3358 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
3359 (pitch << 22) | (sc->sc_aperbase >> 10));
3360
3361 (void)GET32(sc, RADEON_DP_DATATYPE);
3362
3363 /* default scissors -- no clipping */
3364 radeonfb_wait_fifo(sc, 1);
3365 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3366 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3367
3368 radeonfb_wait_fifo(sc, 1);
3369 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3370 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3371 RADEON_GMC_CLR_CMP_CNTL_DIS |
3372 RADEON_GMC_BRUSH_SOLID_COLOR |
3373 RADEON_GMC_SRC_DATATYPE_COLOR);
3374
3375 radeonfb_wait_fifo(sc, 10);
3376 PUT32(sc, RADEON_DST_LINE_START, 0);
3377 PUT32(sc, RADEON_DST_LINE_END, 0);
3378 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3379 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3380 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3381 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3382 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3383 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3384 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3385 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3386 radeonfb_engine_idle(sc);
3387 }
3388
3389 static void
3390 radeonfb_engine_reset(struct radeonfb_softc *sc)
3391 {
3392 uint32_t hpc, rbbm, mclkcntl, clkindex;
3393
3394 radeonfb_engine_flush(sc);
3395
3396 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3397 if (HAS_R300CG(sc))
3398 radeonfb_r300cg_workaround(sc);
3399 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3400
3401 /*
3402 * According to comments in XFree code, resetting the HDP via
3403 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3404 * So we use HOST_PATH_CNTL instead.
3405 */
3406
3407 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3408 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3409 if (IS_R300(sc)) {
3410 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3411 RADEON_SOFT_RESET_CP |
3412 RADEON_SOFT_RESET_HI |
3413 RADEON_SOFT_RESET_E2);
3414 GET32(sc, RADEON_RBBM_SOFT_RESET);
3415 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3416 /*
3417 * XXX: this bit is not defined in any ATI docs I have,
3418 * nor in the XFree code, but XFree does it. Why?
3419 */
3420 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
3421 } else {
3422 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3423 RADEON_SOFT_RESET_CP |
3424 RADEON_SOFT_RESET_SE |
3425 RADEON_SOFT_RESET_RE |
3426 RADEON_SOFT_RESET_PP |
3427 RADEON_SOFT_RESET_E2 |
3428 RADEON_SOFT_RESET_RB);
3429 GET32(sc, RADEON_RBBM_SOFT_RESET);
3430 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3431 ~(RADEON_SOFT_RESET_CP |
3432 RADEON_SOFT_RESET_SE |
3433 RADEON_SOFT_RESET_RE |
3434 RADEON_SOFT_RESET_PP |
3435 RADEON_SOFT_RESET_E2 |
3436 RADEON_SOFT_RESET_RB));
3437 GET32(sc, RADEON_RBBM_SOFT_RESET);
3438 }
3439
3440 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3441 GET32(sc, RADEON_HOST_PATH_CNTL);
3442 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3443
3444 if (IS_R300(sc))
3445 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3446
3447 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3448 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
3449 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3450
3451 if (HAS_R300CG(sc))
3452 radeonfb_r300cg_workaround(sc);
3453 }
3454
3455 static int
3456 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3457 {
3458 int x, y;
3459
3460 x = pos->x;
3461 y = pos->y;
3462
3463 /*
3464 * This doesn't let a cursor move off the screen. I'm not
3465 * sure if this will have negative effects for e.g. Xinerama.
3466 * I'd guess Xinerama handles it by changing the cursor shape,
3467 * but that needs verification.
3468 */
3469 if (x >= dp->rd_virtx)
3470 x = dp->rd_virtx - 1;
3471 if (x < 0)
3472 x = 0;
3473 if (y >= dp->rd_virty)
3474 y = dp->rd_virty - 1;
3475 if (y < 0)
3476 y = 0;
3477
3478 dp->rd_cursor.rc_pos.x = x;
3479 dp->rd_cursor.rc_pos.y = y;
3480
3481 radeonfb_cursor_position(dp);
3482 return 0;
3483 }
3484
3485 static int
3486 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3487 {
3488 unsigned flags;
3489
3490 uint8_t r[2], g[2], b[2];
3491 unsigned index, count;
3492 int i, err;
3493 int pitch, size;
3494 struct radeonfb_cursor nc;
3495
3496 flags = wc->which;
3497
3498 /* copy old values */
3499 nc = dp->rd_cursor;
3500
3501 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3502 index = wc->cmap.index;
3503 count = wc->cmap.count;
3504
3505 if (index >= 2 || (index + count) > 2)
3506 return EINVAL;
3507
3508 err = copyin(wc->cmap.red, &r[index], count);
3509 if (err)
3510 return err;
3511 err = copyin(wc->cmap.green, &g[index], count);
3512 if (err)
3513 return err;
3514 err = copyin(wc->cmap.blue, &b[index], count);
3515 if (err)
3516 return err;
3517
3518 for (i = index; i < index + count; i++) {
3519 nc.rc_cmap[i] =
3520 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3521 }
3522 }
3523
3524 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3525 if ((wc->size.x > RADEON_CURSORMAXX) ||
3526 (wc->size.y > RADEON_CURSORMAXY))
3527 return EINVAL;
3528
3529 /* figure bytes per line */
3530 pitch = (wc->size.x + 7) / 8;
3531 size = pitch * wc->size.y;
3532
3533 /* clear the old cursor and mask */
3534 memset(nc.rc_image, 0, 512);
3535 memset(nc.rc_mask, 0, 512);
3536
3537 nc.rc_size = wc->size;
3538
3539 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3540 return err;
3541
3542 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3543 return err;
3544 }
3545
3546 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3547 nc.rc_hot = wc->hot;
3548 if (nc.rc_hot.x >= nc.rc_size.x)
3549 nc.rc_hot.x = nc.rc_size.x - 1;
3550 if (nc.rc_hot.y >= nc.rc_size.y)
3551 nc.rc_hot.y = nc.rc_size.y - 1;
3552 }
3553
3554 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3555 nc.rc_pos = wc->pos;
3556 if (nc.rc_pos.x >= dp->rd_virtx)
3557 nc.rc_pos.x = dp->rd_virtx - 1;
3558 #if 0
3559 if (nc.rc_pos.x < 0)
3560 nc.rc_pos.x = 0;
3561 #endif
3562 if (nc.rc_pos.y >= dp->rd_virty)
3563 nc.rc_pos.y = dp->rd_virty - 1;
3564 #if 0
3565 if (nc.rc_pos.y < 0)
3566 nc.rc_pos.y = 0;
3567 #endif
3568 }
3569 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3570 nc.rc_visible = wc->enable;
3571 }
3572
3573 dp->rd_cursor = nc;
3574 radeonfb_cursor_update(dp, wc->which);
3575
3576 return 0;
3577 }
3578
3579 static uint8_t
3580 radeonfb_backwards(uint8_t d)
3581 {
3582 uint8_t l;
3583
3584 l = d << 7;
3585 l |= ((d & 0x02) << 5);
3586 l |= ((d & 0x04) << 3);
3587 l |= ((d & 0x08) << 1);
3588 l |= ((d & 0x10) >> 1);
3589 l |= ((d & 0x20) >> 3);
3590 l |= ((d & 0x40) >> 5);
3591 l |= ((d & 0x80) >> 7);
3592 return l;
3593 }
3594
3595 /*
3596 * Change the cursor shape. Call this with the cursor locked to avoid
3597 * flickering/tearing.
3598 */
3599 static void
3600 radeonfb_cursor_shape(struct radeonfb_display *dp)
3601 {
3602 uint8_t and[512], xor[512];
3603 int i, j, src, dst /* , pitch */;
3604 const uint8_t *msk = dp->rd_cursor.rc_mask;
3605 const uint8_t *img = dp->rd_cursor.rc_image;
3606
3607 /*
3608 * Radeon cursor data interleaves one line of AND data followed
3609 * by a line of XOR data. (Each line corresponds to a whole hardware
3610 * pitch - i.e. 64 pixels or 8 bytes.)
3611 *
3612 * The cursor is displayed using the following table:
3613 *
3614 * AND XOR Result
3615 * ----------------------
3616 * 0 0 Cursor color 0
3617 * 0 1 Cursor color 1
3618 * 1 0 Transparent
3619 * 1 1 Complement of background
3620 *
3621 * Our masks are therefore different from what we were passed.
3622 * Passed in, I'm assuming the data represents either color 0 or 1,
3623 * and a mask, so the passed in table looks like:
3624 *
3625 * IMG Mask Result
3626 * -----------------------
3627 * 0 0 Transparent
3628 * 0 1 Cursor color 0
3629 * 1 0 Transparent
3630 * 1 1 Cursor color 1
3631 *
3632 * IF mask bit == 1, AND = 0, XOR = color.
3633 * IF mask bit == 0, AND = 1, XOR = 0.
3634 *
3635 * hence: AND = ~(mask); XOR = color & ~(mask);
3636 */
3637
3638 /* pitch = ((dp->rd_cursor.rc_size.x + 7) / 8); */
3639
3640 /* start by assuming all bits are transparent */
3641 memset(and, 0xff, 512);
3642 memset(xor, 0x00, 512);
3643
3644 src = 0;
3645 dst = 0;
3646 for (i = 0; i < 64; i++) {
3647 for (j = 0; j < 64; j += 8) {
3648 if ((i < dp->rd_cursor.rc_size.y) &&
3649 (j < dp->rd_cursor.rc_size.x)) {
3650
3651 /* take care to leave odd bits alone */
3652 and[dst] &= ~(msk[src]);
3653 xor[dst] = img[src] & msk[src];
3654 src++;
3655 }
3656 dst++;
3657 }
3658 }
3659
3660 for (i = 0; i < 512; i++) {
3661 and[i] = radeonfb_backwards(and[i]);
3662 xor[i] = radeonfb_backwards(xor[i]);
3663 }
3664
3665 /* copy the image into place */
3666 for (i = 0; i < 64; i++) {
3667 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3668 &and[i * 8], 8);
3669 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3670 &xor[i * 8], 8);
3671 }
3672 }
3673
3674 static void
3675 radeonfb_cursor_position(struct radeonfb_display *dp)
3676 {
3677 struct radeonfb_softc *sc = dp->rd_softc;
3678 uint32_t offset, hvoff, hvpos; /* registers */
3679 uint32_t coff; /* cursor offset */
3680 int i, x, y, xoff, yoff, crtcoff;
3681
3682 /*
3683 * XXX: this also needs to handle pan/scan
3684 */
3685 for (i = 0; i < dp->rd_ncrtcs; i++) {
3686
3687 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3688
3689 if (rcp->rc_number) {
3690 offset = RADEON_CUR2_OFFSET;
3691 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3692 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3693 crtcoff = RADEON_CRTC2_OFFSET;
3694 } else {
3695 offset = RADEON_CUR_OFFSET;
3696 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3697 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3698 crtcoff = RADEON_CRTC_OFFSET;
3699 }
3700
3701 x = dp->rd_cursor.rc_pos.x;
3702 y = dp->rd_cursor.rc_pos.y;
3703
3704 while (y < rcp->rc_yoffset) {
3705 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3706 }
3707 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3708 rcp->rc_yoffset += RADEON_PANINCREMENT;
3709 }
3710 while (x < rcp->rc_xoffset) {
3711 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3712 }
3713 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3714 rcp->rc_xoffset += RADEON_PANINCREMENT;
3715 }
3716
3717 /* adjust for the cursor's hotspot */
3718 x -= dp->rd_cursor.rc_hot.x;
3719 y -= dp->rd_cursor.rc_hot.y;
3720 xoff = yoff = 0;
3721
3722 if (x >= dp->rd_virtx)
3723 x = dp->rd_virtx - 1;
3724 if (y >= dp->rd_virty)
3725 y = dp->rd_virty - 1;
3726
3727 /* now adjust cursor so it is relative to viewport */
3728 x -= rcp->rc_xoffset;
3729 y -= rcp->rc_yoffset;
3730
3731 /*
3732 * no need to check for fall off, because we should
3733 * never move off the screen entirely!
3734 */
3735 coff = 0;
3736 if (x < 0) {
3737 xoff = -x;
3738 x = 0;
3739 }
3740 if (y < 0) {
3741 yoff = -y;
3742 y = 0;
3743 coff = (yoff * 2) * 8;
3744 }
3745
3746 /* pan the display */
3747 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3748 rcp->rc_xoffset);
3749
3750 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3751 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3752 /* NB: this unlocks the cursor */
3753 PUT32(sc, hvpos, (x << 16) | y);
3754 }
3755 }
3756
3757 static void
3758 radeonfb_cursor_visible(struct radeonfb_display *dp)
3759 {
3760 int i;
3761 uint32_t gencntl, bit;
3762
3763 for (i = 0; i < dp->rd_ncrtcs; i++) {
3764 if (dp->rd_crtcs[i].rc_number) {
3765 gencntl = RADEON_CRTC2_GEN_CNTL;
3766 bit = RADEON_CRTC2_CUR_EN;
3767 } else {
3768 gencntl = RADEON_CRTC_GEN_CNTL;
3769 bit = RADEON_CRTC_CUR_EN;
3770 }
3771
3772 if (dp->rd_cursor.rc_visible)
3773 SET32(dp->rd_softc, gencntl, bit);
3774 else
3775 CLR32(dp->rd_softc, gencntl, bit);
3776 }
3777 }
3778
3779 static void
3780 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3781 {
3782 int i;
3783 uint32_t c0reg, c1reg;
3784 struct radeonfb_softc *sc = dp->rd_softc;
3785
3786 for (i = 0; i < dp->rd_ncrtcs; i++) {
3787 if (dp->rd_crtcs[i].rc_number) {
3788 c0reg = RADEON_CUR2_CLR0;
3789 c1reg = RADEON_CUR2_CLR1;
3790 } else {
3791 c0reg = RADEON_CUR_CLR0;
3792 c1reg = RADEON_CUR_CLR1;
3793 }
3794
3795 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3796 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3797 }
3798 }
3799
3800 static void
3801 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3802 {
3803 struct radeonfb_softc *sc;
3804 int i;
3805
3806 sc = dp->rd_softc;
3807 for (i = 0; i < dp->rd_ncrtcs; i++) {
3808 if (dp->rd_crtcs[i].rc_number) {
3809 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3810 } else {
3811 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3812 }
3813 }
3814
3815 if (which & WSDISPLAY_CURSOR_DOCMAP)
3816 radeonfb_cursor_cmap(dp);
3817
3818 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3819 radeonfb_cursor_shape(dp);
3820
3821 if (which & WSDISPLAY_CURSOR_DOCUR)
3822 radeonfb_cursor_visible(dp);
3823
3824 /* this one is unconditional, because it updates other stuff */
3825 radeonfb_cursor_position(dp);
3826 }
3827
3828 static struct videomode *
3829 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3830 {
3831 int r1, r2;
3832
3833 /* otherwise pick the higher refresh rate */
3834 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3835 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3836
3837 return (r1 < r2 ? m2 : m1);
3838 }
3839
3840 static const struct videomode *
3841 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3842 int x, int y)
3843 {
3844 struct edid_info *ep = &rp->rp_edid;
3845 struct videomode *vmp = NULL;
3846 int i;
3847
3848 if (!rp->rp_edid_valid) {
3849 /* fallback to safe mode */
3850 return radeonfb_modelookup(sc->sc_defaultmode);
3851 }
3852
3853 /* always choose the preferred mode first! */
3854 if (ep->edid_preferred_mode) {
3855
3856 /* XXX: add auto-stretching support for native mode */
3857
3858 /* this may want panning to occur, btw */
3859 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3860 (ep->edid_preferred_mode->vdisplay <= y))
3861 return ep->edid_preferred_mode;
3862 }
3863
3864 for (i = 0; i < ep->edid_nmodes; i++) {
3865 /*
3866 * We elect to pick a resolution that is too large for
3867 * the monitor than one that is too small. This means
3868 * that we will prefer to pan rather than to try to
3869 * center a smaller display on a larger screen. In
3870 * practice, this shouldn't matter because if a
3871 * monitor can support a larger resolution, it can
3872 * probably also support the smaller. A specific
3873 * exception is fixed format panels, but hopefully
3874 * they are properly dealt with by the "autostretch"
3875 * logic above.
3876 */
3877 if ((ep->edid_modes[i].hdisplay > x) ||
3878 (ep->edid_modes[i].vdisplay > y)) {
3879 continue;
3880 }
3881
3882 /*
3883 * at this point, the display mode is no larger than
3884 * what we've requested.
3885 */
3886 if (vmp == NULL)
3887 vmp = &ep->edid_modes[i];
3888
3889 /* eliminate smaller modes */
3890 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3891 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3892 continue;
3893
3894 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3895 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3896 vmp = &ep->edid_modes[i];
3897 continue;
3898 }
3899
3900 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3901 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3902
3903 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3904 }
3905
3906 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3907 }
3908
3909 static int
3910 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3911 {
3912 int i;
3913
3914 for (i = 0; i < nlist; i++) {
3915 if ((x == list[i].hdisplay) &&
3916 (y == list[i].vdisplay)) {
3917 return 1;
3918 }
3919 }
3920 return 0;
3921 }
3922
3923 static void
3924 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3925 int pan)
3926 {
3927 struct radeonfb_port *rp;
3928 struct edid_info *ep;
3929 int i, j;
3930
3931 *x = 0;
3932 *y = 0;
3933
3934 if (pan) {
3935 for (i = 0; i < dp->rd_ncrtcs; i++) {
3936 rp = dp->rd_crtcs[i].rc_port;
3937 ep = &rp->rp_edid;
3938 if (!rp->rp_edid_valid) {
3939 /* monitor not present */
3940 continue;
3941 }
3942
3943 /*
3944 * For now we are ignoring "conflict" that
3945 * could occur when mixing some modes like
3946 * 1280x1024 and 1400x800. It isn't clear
3947 * which is better, so the first one wins.
3948 */
3949 for (j = 0; j < ep->edid_nmodes; j++) {
3950 /*
3951 * ignore resolutions that are too big for
3952 * the radeon
3953 */
3954 if (ep->edid_modes[j].hdisplay >
3955 dp->rd_softc->sc_maxx)
3956 continue;
3957 if (ep->edid_modes[j].vdisplay >
3958 dp->rd_softc->sc_maxy)
3959 continue;
3960
3961 /*
3962 * pick largest resolution, the
3963 * smaller monitor will pan
3964 */
3965 if ((ep->edid_modes[j].hdisplay >= *x) &&
3966 (ep->edid_modes[j].vdisplay >= *y)) {
3967 *x = ep->edid_modes[j].hdisplay;
3968 *y = ep->edid_modes[j].vdisplay;
3969 }
3970 }
3971 }
3972
3973 } else {
3974 struct videomode modes[64];
3975 int nmodes = 0;
3976 int valid = 0;
3977
3978 for (i = 0; i < dp->rd_ncrtcs; i++) {
3979 /*
3980 * pick the largest resolution in common.
3981 */
3982 rp = dp->rd_crtcs[i].rc_port;
3983 ep = &rp->rp_edid;
3984
3985 if (!rp->rp_edid_valid)
3986 continue;
3987
3988 if (!valid) {
3989 /*
3990 * Pick the preferred mode for this port
3991 * if available.
3992 */
3993 if (ep->edid_preferred_mode) {
3994 struct videomode *vmp =
3995 ep->edid_preferred_mode;
3996
3997 if ((vmp->hdisplay <=
3998 dp->rd_softc->sc_maxx) &&
3999 (vmp->vdisplay <=
4000 dp->rd_softc->sc_maxy))
4001 modes[nmodes++] = *vmp;
4002 } else {
4003
4004 /* initialize starting list */
4005 for (j = 0; j < ep->edid_nmodes; j++) {
4006 /*
4007 * ignore resolutions that are
4008 * too big for the radeon
4009 */
4010 if (ep->edid_modes[j].hdisplay >
4011 dp->rd_softc->sc_maxx)
4012 continue;
4013 if (ep->edid_modes[j].vdisplay >
4014 dp->rd_softc->sc_maxy)
4015 continue;
4016
4017 modes[nmodes] =
4018 ep->edid_modes[j];
4019 nmodes++;
4020 }
4021 }
4022 valid = 1;
4023 } else {
4024 /* merge into preexisting list */
4025 for (j = 0; j < nmodes; j++) {
4026 if (!radeonfb_hasres(ep->edid_modes,
4027 ep->edid_nmodes,
4028 modes[j].hdisplay,
4029 modes[j].vdisplay)) {
4030 modes[j] = modes[nmodes];
4031 j--;
4032 nmodes--;
4033 }
4034 }
4035 }
4036 }
4037
4038 /* now we have to pick from the merged list */
4039 for (i = 0; i < nmodes; i++) {
4040 if ((modes[i].hdisplay >= *x) &&
4041 (modes[i].vdisplay >= *y)) {
4042 *x = modes[i].hdisplay;
4043 *y = modes[i].vdisplay;
4044 }
4045 }
4046 }
4047
4048 if ((*x == 0) || (*y == 0)) {
4049 /* fallback to safe mode */
4050 *x = 640;
4051 *y = 480;
4052 }
4053 }
4054
4055 /*
4056 * backlight levels are linear on:
4057 * - RV200, RV250, RV280, RV350
4058 * - but NOT on PowerBook4,3 6,3 6,5
4059 * according to Linux' radeonfb
4060 */
4061
4062 /* Get the current backlight level for the display. */
4063
4064 static int
4065 radeonfb_get_backlight(struct radeonfb_display *dp)
4066 {
4067 int s;
4068 uint32_t level;
4069
4070 s = spltty();
4071
4072 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
4073 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
4074 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
4075
4076 /*
4077 * On some chips, we should negate the backlight level.
4078 * XXX Find out on which chips.
4079 */
4080 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
4081 level = RADEONFB_BACKLIGHT_MAX - level;
4082
4083 splx(s);
4084
4085 return level;
4086 }
4087
4088 /* Set the backlight to the given level for the display. */
4089 static void
4090 radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
4091 {
4092 if (dp->rd_bl_on == on)
4093 return;
4094 dp->rd_bl_on = on;
4095 radeonfb_set_backlight(dp, dp->rd_bl_level);
4096 }
4097
4098 static int
4099 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
4100 {
4101 struct radeonfb_softc *sc;
4102 int rlevel, s;
4103 uint32_t lvds;
4104
4105 s = spltty();
4106
4107 dp->rd_bl_level = level;
4108 if (dp->rd_bl_on == 0)
4109 level = 0;
4110
4111 if (level < 0)
4112 level = 0;
4113 else if (level >= RADEONFB_BACKLIGHT_MAX)
4114 level = RADEONFB_BACKLIGHT_MAX;
4115
4116 sc = dp->rd_softc;
4117
4118 /* On some chips, we should negate the backlight level. */
4119 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
4120 rlevel = RADEONFB_BACKLIGHT_MAX - level;
4121 } else
4122 rlevel = level;
4123
4124 callout_stop(&dp->rd_bl_lvds_co);
4125 radeonfb_engine_idle(sc);
4126
4127 /*
4128 * Turn off the display if the backlight is set to 0, since the
4129 * display is useless without backlight anyway.
4130 */
4131 if (level == 0)
4132 radeonfb_blank(dp, 1);
4133 else if (radeonfb_get_backlight(dp) == 0)
4134 radeonfb_blank(dp, 0);
4135
4136 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
4137 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
4138 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
4139 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
4140 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
4141 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4142 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4143 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4144 lvds |= RADEON_LVDS_ON;
4145 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
4146 } else {
4147 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
4148 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
4149 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
4150 }
4151
4152 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
4153 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
4154 /* XXX What is the correct delay? */
4155 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
4156
4157 splx(s);
4158
4159 return 0;
4160 }
4161
4162 /*
4163 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
4164 * Set the delayed bits in the register, and clear the stored delayed
4165 * value.
4166 */
4167
4168 static void radeonfb_lvds_callout(void *arg)
4169 {
4170 struct radeonfb_display *dp = arg;
4171 int s;
4172
4173 s = splhigh();
4174
4175 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
4176 dp->rd_bl_lvds_val);
4177 dp->rd_bl_lvds_val = 0;
4178
4179 splx(s);
4180 }
4181
4182 static void
4183 radeonfb_brightness_up(device_t dev)
4184 {
4185 struct radeonfb_softc *sc = device_private(dev);
4186 struct radeonfb_display *dp = &sc->sc_displays[0];
4187 int level;
4188
4189 /* we assume the main display is the first one - need a better way */
4190 if (sc->sc_ndisplays < 1) return;
4191 /* make sure pushing the hotkeys always has an effect */
4192 dp->rd_bl_on = 1;
4193 level = dp->rd_bl_level;
4194 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
4195 radeonfb_set_backlight(dp, level);
4196 }
4197
4198 static void
4199 radeonfb_brightness_down(device_t dev)
4200 {
4201 struct radeonfb_softc *sc = device_private(dev);
4202 struct radeonfb_display *dp = &sc->sc_displays[0];
4203 int level;
4204
4205 /* we assume the main display is the first one - need a better way */
4206 if (sc->sc_ndisplays < 1) return;
4207 /* make sure pushing the hotkeys always has an effect */
4208 dp->rd_bl_on = 1;
4209 level = dp->rd_bl_level;
4210 level = max(0, level - 5);
4211 radeonfb_set_backlight(dp, level);
4212 }
4213