radeonfb.c revision 1.58 1 /* $NetBSD: radeonfb.c,v 1.58 2012/03/13 18:40:33 elad 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 1.58 2012/03/13 18:40:33 elad Exp $");
74
75 #include <sys/param.h>
76 #include <sys/systm.h>
77 #include <sys/device.h>
78 #include <sys/malloc.h>
79 #include <sys/bus.h>
80 #include <sys/kernel.h>
81 #include <sys/lwp.h>
82 #include <sys/kauth.h>
83
84 #include <dev/wscons/wsdisplayvar.h>
85 #include <dev/wscons/wsconsio.h>
86 #include <dev/wsfont/wsfont.h>
87 #include <dev/rasops/rasops.h>
88 #include <dev/videomode/videomode.h>
89 #include <dev/videomode/edidvar.h>
90 #include <dev/wscons/wsdisplay_vconsvar.h>
91 #include <dev/pci/wsdisplay_pci.h>
92 #include <dev/wscons/wsdisplay_glyphcachevar.h>
93
94 #include <dev/pci/pcidevs.h>
95 #include <dev/pci/pcireg.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/pciio.h>
98 #include <dev/pci/radeonfbreg.h>
99 #include <dev/pci/radeonfbvar.h>
100 #include "opt_radeonfb.h"
101 #include "opt_vcons.h"
102
103 #ifdef RADEONFB_DEPTH_32
104 #define RADEONFB_DEFAULT_DEPTH 32
105 #else
106 #define RADEONFB_DEFAULT_DEPTH 8
107 #endif
108
109 static int radeonfb_match(device_t, cfdata_t, void *);
110 static void radeonfb_attach(device_t, device_t, void *);
111 static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
112 struct lwp *);
113 static paddr_t radeonfb_mmap(void *, void *, off_t, int);
114 static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
115 static void radeonfb_loadbios(struct radeonfb_softc *,
116 const struct pci_attach_args *);
117
118 static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
119 uintmax_t);
120 static int radeonfb_getclocks(struct radeonfb_softc *);
121 static int radeonfb_gettmds(struct radeonfb_softc *);
122 static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
123 uint32_t *, uint32_t *);
124 static int radeonfb_getconnectors(struct radeonfb_softc *);
125 static const struct videomode *radeonfb_modelookup(const char *);
126 static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
127 static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
128 static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
129 static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
130 static void radeonfb_modeswitch(struct radeonfb_display *);
131 static void radeonfb_setcrtc(struct radeonfb_display *, int);
132 static void radeonfb_init_misc(struct radeonfb_softc *);
133 static void radeonfb_set_fbloc(struct radeonfb_softc *);
134 static void radeonfb_init_palette(struct radeonfb_softc *, int);
135 static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
136
137 static int radeonfb_isblank(struct radeonfb_display *);
138 static void radeonfb_blank(struct radeonfb_display *, int);
139 static int radeonfb_set_cursor(struct radeonfb_display *,
140 struct wsdisplay_cursor *);
141 static int radeonfb_set_curpos(struct radeonfb_display *,
142 struct wsdisplay_curpos *);
143
144 /* acceleration support */
145 static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
146 int width, int height, uint32_t color);
147 static void radeonfb_bitblt(void *, int srcx, int srcy,
148 int dstx, int dsty, int width, int height, int rop);
149
150 /* hw cursor support */
151 static void radeonfb_cursor_cmap(struct radeonfb_display *);
152 static void radeonfb_cursor_shape(struct radeonfb_display *);
153 static void radeonfb_cursor_position(struct radeonfb_display *);
154 static void radeonfb_cursor_visible(struct radeonfb_display *);
155 static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
156
157 static void radeonfb_wait_fifo(struct radeonfb_softc *, int);
158 static void radeonfb_engine_idle(struct radeonfb_softc *);
159 static void radeonfb_engine_flush(struct radeonfb_softc *);
160 static void radeonfb_engine_reset(struct radeonfb_softc *);
161 static void radeonfb_engine_init(struct radeonfb_display *);
162 static inline void radeonfb_unclip(struct radeonfb_softc *);
163
164 static void radeonfb_eraserows(void *, int, int, long);
165 static void radeonfb_erasecols(void *, int, int, int, long);
166 static void radeonfb_copyrows(void *, int, int, int);
167 static void radeonfb_copycols(void *, int, int, int, int);
168 static void radeonfb_cursor(void *, int, int, int);
169 static void radeonfb_putchar(void *, int, int, unsigned, long);
170 static void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
171 static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
172 static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
173
174 static int radeonfb_get_backlight(struct radeonfb_display *);
175 static int radeonfb_set_backlight(struct radeonfb_display *, int);
176 static void radeonfb_lvds_callout(void *);
177
178 static void radeonfb_brightness_up(device_t);
179 static void radeonfb_brightness_down(device_t);
180
181 static struct videomode *radeonfb_best_refresh(struct videomode *,
182 struct videomode *);
183 static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
184 uint16_t *, int);
185 static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
186 struct radeonfb_port *, int, int);
187
188 static int radeonfb_drm_print(void *, const char *);
189
190 #ifdef RADEONFB_DEBUG
191 int radeon_debug = 1;
192 #define DPRINTF(x) \
193 if (radeon_debug) printf x
194 #define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
195 #define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
196 #else
197 #define DPRINTF(x)
198 #define PRINTREG(r)
199 #define PRINTPLL(r)
200 #endif
201
202 #define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
203
204 #ifndef RADEON_DEFAULT_MODE
205 /* any reasonably modern display should handle this */
206 #define RADEON_DEFAULT_MODE "1024x768x60"
207 #endif
208
209 extern const u_char rasops_cmap[768];
210
211 const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
212
213 static struct {
214 int size; /* minimum memory size (MB) */
215 int maxx; /* maximum x dimension */
216 int maxy; /* maximum y dimension */
217 int maxbpp; /* maximum bpp */
218 int maxdisp; /* maximum logical display count */
219 } radeonfb_limits[] = {
220 { 32, 2048, 1536, 32, 2 },
221 { 16, 1600, 1200, 32, 2 },
222 { 8, 1600, 1200, 32, 1 },
223 { 0, 0, 0, 0, 0 },
224 };
225
226 static struct wsscreen_descr radeonfb_stdscreen = {
227 "fb", /* name */
228 0, 0, /* ncols, nrows */
229 NULL, /* textops */
230 8, 16, /* fontwidth, fontheight */
231 WSSCREEN_WSCOLORS, /* capabilities */
232 0, /* modecookie */
233 };
234
235 struct wsdisplay_accessops radeonfb_accessops = {
236 radeonfb_ioctl,
237 radeonfb_mmap,
238 NULL, /* vcons_alloc_screen */
239 NULL, /* vcons_free_screen */
240 NULL, /* vcons_show_screen */
241 NULL, /* load_font */
242 NULL, /* pollc */
243 NULL, /* scroll */
244 };
245
246 static struct {
247 uint16_t devid;
248 uint16_t family;
249 uint16_t flags;
250 } radeonfb_devices[] =
251 {
252 /* R100 family */
253 { PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
254 { PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
255 { PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
256 { PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
257
258 /* RV100 family */
259 { PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
260 { PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
261 { PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
262 { PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
263
264 /* RS100 family */
265 { PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
266 { PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
267
268 /* RS200/RS250 family */
269 { PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
270 { PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
271 { PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
272 { PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
273
274 /* R200 family */
275 /* add more R200 products? , 5148 */
276 { PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
277 { PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
278 { PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
279 { PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
280 { PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
281
282 /* RV200 family */
283 { PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
284 { PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
285 { PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
286 { PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
287
288 /* RV250 family */
289 { PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
290 { PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
291 { PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
292 { PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
293 { PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
294
295 /* RS300 family */
296 { PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
297 { PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
298 { PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
299 { PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
300
301 /* RV280 family */
302 { PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
303 { PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
304 { PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
305 { PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
306 { PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
307 { PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
308 { PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
309
310 /* R300 family */
311 { PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
312 { PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
313 { PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
314 { PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
315 { PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
316 { PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
317 { PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
318 { PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
319
320 /* RV350/RV360 family */
321 { PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
322 { PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
323 { PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
324 { PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
325 { PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
326 { PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
327 { PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
328 { PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
329 { PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
330 { PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
331 { PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
332 { PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
333
334 /* R350/R360 family */
335 { PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
336 { PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
337 { PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
338 { PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
339 { PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
340 { PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
341 { PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
342 { PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
343
344 /* RV380/RV370 family */
345 { PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
346 { PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
347 { PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
348 { PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
349 { PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
350 { PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
351 { PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
352 { PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
353 { PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
354
355 /* R420/R423 family */
356 { PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
357 { PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
358 { PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
359 { PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
360 { PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
361 { PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
362 { PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
363 { PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
364 { PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
365 { PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
366 { PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
367 { PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
368 { PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
369 { PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
370 { PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
371 { PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
372 { PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
373
374 { 0, 0, 0 }
375 };
376
377 static struct {
378 int divider;
379 int mask;
380 } radeonfb_dividers[] = {
381 { 1, 0 },
382 { 2, 1 },
383 { 3, 4 },
384 { 4, 2 },
385 { 6, 6 },
386 { 8, 3 },
387 { 12, 7 },
388 { 0, 0 }
389 };
390
391 /*
392 * This table taken from X11.
393 */
394 static const struct {
395 int family;
396 struct radeon_tmds_pll plls[4];
397 } radeonfb_tmds_pll[] = {
398 { RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
399 { RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
400 { RADEON_RS100, {{0, 0}}},
401 { RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
402 { RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
403 { RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
404 { RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
405 { RADEON_RS300, {{0, 0}}},
406 { RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
407 { RADEON_R300, {{-1, 0xb01cb}}},
408 { RADEON_R350, {{-1, 0xb01cb}}},
409 { RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
410 { RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
411 { RADEON_R420, {{-1, 0xb01cb}}},
412 };
413
414 #define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
415
416
417 CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
418 radeonfb_match, radeonfb_attach, NULL, NULL);
419
420 static int
421 radeonfb_match(device_t parent, cfdata_t match, void *aux)
422 {
423 const struct pci_attach_args *pa = aux;
424 int i;
425
426 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
427 return 0;
428
429 for (i = 0; radeonfb_devices[i].devid; i++) {
430 if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
431 return 100; /* high to defeat VGA/VESA */
432 }
433
434 return 0;
435 }
436
437 static void
438 radeonfb_attach(device_t parent, device_t dev, void *aux)
439 {
440 struct radeonfb_softc *sc = device_private(dev);
441 const struct pci_attach_args *pa = aux;
442 const char *mptr;
443 bus_size_t bsz;
444 pcireg_t screg;
445 int i, j, fg, bg, ul, flags;
446 uint32_t v;
447
448 sc->sc_dev = dev;
449 sc->sc_id = pa->pa_id;
450 for (i = 0; radeonfb_devices[i].devid; i++) {
451 if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
452 break;
453 }
454
455 pci_aprint_devinfo(pa, NULL);
456
457 DPRINTF((prop_dictionary_externalize(device_properties(dev))));
458
459 KASSERT(radeonfb_devices[i].devid != 0);
460 sc->sc_pt = pa->pa_tag;
461 sc->sc_iot = pa->pa_iot;
462 sc->sc_pc = pa->pa_pc;
463 sc->sc_family = radeonfb_devices[i].family;
464 sc->sc_flags = radeonfb_devices[i].flags;
465
466 /* enable memory and IO access */
467 screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
468 screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
469 pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
470
471 /*
472 * Some flags are general to entire chip families, and rather
473 * than clutter up the table with them, we go ahead and set
474 * them here.
475 */
476 switch (sc->sc_family) {
477 case RADEON_RS100:
478 case RADEON_RS200:
479 sc->sc_flags |= RFB_IGP | RFB_RV100;
480 break;
481
482 case RADEON_RV100:
483 case RADEON_RV200:
484 case RADEON_RV250:
485 case RADEON_RV280:
486 sc->sc_flags |= RFB_RV100;
487 break;
488
489 case RADEON_RS300:
490 sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
491 break;
492
493 case RADEON_R300:
494 case RADEON_RV350:
495 case RADEON_R350:
496 case RADEON_RV380:
497 case RADEON_R420:
498 /* newer chips */
499 sc->sc_flags |= RFB_R300;
500 break;
501
502 case RADEON_R100:
503 sc->sc_flags |= RFB_NCRTC2;
504 break;
505 }
506
507 if ((sc->sc_family == RADEON_RV200) ||
508 (sc->sc_family == RADEON_RV250) ||
509 (sc->sc_family == RADEON_RV280) ||
510 (sc->sc_family == RADEON_RV350)) {
511 bool inverted = 0;
512 /* backlight level is linear */
513 DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
514 prop_dictionary_get_bool(device_properties(sc->sc_dev),
515 "backlight_level_reverted", &inverted);
516 if (inverted) {
517 DPRINTF(("nope, it's inverted\n"));
518 sc->sc_flags |= RFB_INV_BLIGHT;
519 }
520 } else
521 sc->sc_flags |= RFB_INV_BLIGHT;
522
523 /*
524 * XXX: to support true multihead, this must change.
525 */
526 sc->sc_ndisplays = 1;
527
528 /* XXX: */
529 if (!HAS_CRTC2(sc)) {
530 sc->sc_ndisplays = 1;
531 }
532
533 if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
534 &sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
535 &sc->sc_regsz) != 0) {
536 aprint_error("%s: unable to map registers!\n", XNAME(sc));
537 goto error;
538 }
539
540 if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
541 PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
542 {
543 aprint_error("%s: unable to find ROM!\n", XNAME(sc));
544 goto error;
545 }
546 sc->sc_romt = sc->sc_memt;
547
548 /* scratch register test... */
549 if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
550 radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
551 aprint_error("%s: scratch register test failed!\n", XNAME(sc));
552 goto error;
553 }
554
555 PRINTREG(RADEON_BIOS_4_SCRATCH);
556 PRINTREG(RADEON_FP_GEN_CNTL);
557 sc->sc_fp_gen_cntl = GET32(sc, RADEON_FP_GEN_CNTL);
558 PRINTREG(RADEON_FP2_GEN_CNTL);
559 PRINTREG(RADEON_TMDS_CNTL);
560 PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
561 PRINTREG(RADEON_TMDS_PLL_CNTL);
562 PRINTREG(RADEON_LVDS_GEN_CNTL);
563 PRINTREG(RADEON_FP_HORZ_STRETCH);
564 PRINTREG(RADEON_FP_VERT_STRETCH);
565
566 /* XXX: RV100 specific */
567 PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
568
569 PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
570 RADEON_TMDS_TRANSMITTER_PLLEN,
571 RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
572
573 radeonfb_i2c_init(sc);
574
575 radeonfb_loadbios(sc, pa);
576
577 #ifdef RADEONFB_BIOS_INIT
578 if (radeonfb_bios_init(sc)) {
579 aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
580 }
581 #endif
582
583 if (radeonfb_getclocks(sc)) {
584 aprint_error("%s: Unable to get reference clocks from BIOS\n",
585 XNAME(sc));
586 goto error;
587 }
588
589 if (radeonfb_gettmds(sc)) {
590 aprint_error("%s: Unable to identify TMDS PLL settings\n",
591 XNAME(sc));
592 goto error;
593 }
594
595 aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
596 "minpll = %d, maxpll = %d\n", XNAME(sc),
597 (int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
598 (int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
599
600 radeonfb_getconnectors(sc);
601
602 radeonfb_set_fbloc(sc);
603
604 for (i = 0; radeonfb_limits[i].size; i++) {
605 if (sc->sc_memsz >= radeonfb_limits[i].size) {
606 sc->sc_maxx = radeonfb_limits[i].maxx;
607 sc->sc_maxy = radeonfb_limits[i].maxy;
608 sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
609 /* framebuffer offset, start at a 4K page */
610 sc->sc_fboffset = sc->sc_memsz /
611 radeonfb_limits[i].maxdisp;
612 /*
613 * we use the fbsize to figure out where we can store
614 * things like cursor data.
615 */
616 sc->sc_fbsize =
617 ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
618 RADEON_STRIDEALIGN) * sc->sc_maxy,
619 4096);
620 break;
621 }
622 }
623
624
625 radeonfb_init_misc(sc);
626 radeonfb_init_palette(sc, 0);
627 if (HAS_CRTC2(sc))
628 radeonfb_init_palette(sc, 1);
629
630 /* program the DAC wirings */
631 for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
632 switch (sc->sc_ports[i].rp_dac_type) {
633 case RADEON_DAC_PRIMARY:
634 PATCH32(sc, RADEON_DAC_CNTL2,
635 i ? RADEON_DAC2_DAC_CLK_SEL : 0,
636 ~RADEON_DAC2_DAC_CLK_SEL);
637 break;
638 case RADEON_DAC_TVDAC:
639 /* we always use the TVDAC to drive a secondary analog
640 * CRT for now. if we ever support TV-out this will
641 * have to change.
642 */
643 SET32(sc, RADEON_DAC_CNTL2,
644 RADEON_DAC2_DAC2_CLK_SEL);
645 PATCH32(sc, RADEON_DISP_HW_DEBUG,
646 i ? 0 : RADEON_CRT2_DISP1_SEL,
647 ~RADEON_CRT2_DISP1_SEL);
648 break;
649 }
650 }
651 PRINTREG(RADEON_DAC_CNTL2);
652 PRINTREG(RADEON_DISP_HW_DEBUG);
653
654 /* other DAC programming */
655 v = GET32(sc, RADEON_DAC_CNTL);
656 v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
657 v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
658 PUT32(sc, RADEON_DAC_CNTL, v);
659 PRINTREG(RADEON_DAC_CNTL);
660
661 /* XXX: this may need more investigation */
662 PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
663 PRINTREG(RADEON_TV_DAC_CNTL);
664
665 /* enable TMDS */
666 SET32(sc, RADEON_FP_GEN_CNTL,
667 RADEON_FP_TMDS_EN |
668 RADEON_FP_CRTC_DONT_SHADOW_VPAR |
669 RADEON_FP_CRTC_DONT_SHADOW_HEND);
670 /*
671 * XXX
672 * no idea why this is necessary - if I do not clear this bit on my
673 * iBook G4 the screen remains black, even though it's already clear.
674 * It needs to be set on my Sun XVR-100 for the DVI port to work
675 */
676
677 if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
678 SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
679 } else
680 CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
681
682 if (HAS_CRTC2(sc))
683 SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
684
685 /*
686 * we use bus_space_map instead of pci_mapreg, because we don't
687 * need the full aperature space. no point in wasting virtual
688 * address space we don't intend to use, right?
689 */
690 if ((sc->sc_memsz < (4096 * 1024)) ||
691 (pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
692 PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
693 (bsz < sc->sc_memsz)) {
694 sc->sc_memsz = 0;
695 aprint_error("%s: Bad frame buffer configuration\n",
696 XNAME(sc));
697 goto error;
698 }
699
700 /* 64 MB should be enough -- more just wastes map entries */
701 if (sc->sc_memsz > (64 << 20))
702 sc->sc_memsz = (64 << 20);
703
704 sc->sc_memt = pa->pa_memt;
705 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
706 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
707 sc->sc_memsz = 0;
708 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
709 goto error;
710 }
711
712 aprint_normal("%s: %d MB aperture at 0x%08x, "
713 "%d KB registers at 0x%08x\n", XNAME(sc),
714 (int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
715 (int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
716
717 /* setup default video mode from devprop (allows PROM override) */
718 sc->sc_defaultmode = radeonfb_default_mode;
719 if (prop_dictionary_get_cstring_nocopy(device_properties(sc->sc_dev),
720 "videomode", &mptr)) {
721
722 strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
723 sc->sc_defaultmode = sc->sc_modebuf;
724 }
725
726 /* initialize some basic display parameters */
727 for (i = 0; i < sc->sc_ndisplays; i++) {
728 struct radeonfb_display *dp = &sc->sc_displays[i];
729 struct rasops_info *ri;
730 long defattr;
731 struct wsemuldisplaydev_attach_args aa;
732
733 /*
734 * Figure out how many "displays" (desktops) we are going to
735 * support. If more than one, then each CRTC gets its own
736 * programming.
737 *
738 * XXX: this code needs to change to support mergedfb.
739 * XXX: would be nice to allow this to be overridden
740 */
741 if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
742 DPRINTF(("dual crtcs!\n"));
743 dp->rd_ncrtcs = 2;
744 dp->rd_crtcs[0].rc_number = 0;
745 dp->rd_crtcs[1].rc_number = 1;
746 } else {
747 dp->rd_ncrtcs = 1;
748 dp->rd_crtcs[0].rc_number = i;
749 }
750
751 /* set up port pointer */
752 for (j = 0; j < dp->rd_ncrtcs; j++) {
753 dp->rd_crtcs[j].rc_port =
754 &sc->sc_ports[dp->rd_crtcs[j].rc_number];
755 }
756
757 dp->rd_softc = sc;
758 dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
759 dp->rd_bg = WS_DEFAULT_BG;
760 dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
761
762 /* for text mode, we pick a resolution that won't
763 * require panning */
764 radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
765
766 aprint_normal("%s: display %d: "
767 "initial virtual resolution %dx%d at %d bpp\n",
768 XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
769
770 /* now select the *video mode* that we will use */
771 for (j = 0; j < dp->rd_ncrtcs; j++) {
772 const struct videomode *vmp;
773 vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
774 dp->rd_virtx, dp->rd_virty);
775
776 /*
777 * virtual resolution should be at least as high as
778 * physical
779 */
780 if (dp->rd_virtx < vmp->hdisplay ||
781 dp->rd_virty < vmp->vdisplay) {
782 dp->rd_virtx = vmp->hdisplay;
783 dp->rd_virty = vmp->vdisplay;
784 }
785
786 dp->rd_crtcs[j].rc_videomode = *vmp;
787 printf("%s: port %d: physical %dx%d %dHz\n",
788 XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
789 DIVIDE(DIVIDE(vmp->dot_clock * 1000,
790 vmp->htotal), vmp->vtotal));
791 }
792
793 /* N.B.: radeon wants 64-byte aligned stride */
794 dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
795 dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
796
797 dp->rd_offset = sc->sc_fboffset * i;
798 dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
799 sc->sc_memh) + dp->rd_offset;
800 dp->rd_curoff = sc->sc_fbsize;
801 dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
802
803 DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
804
805 switch (dp->rd_bpp) {
806 case 8:
807 dp->rd_format = 2;
808 break;
809 case 32:
810 dp->rd_format = 6;
811 break;
812 default:
813 aprint_error("%s: bad depth %d\n", XNAME(sc),
814 dp->rd_bpp);
815 goto error;
816 }
817
818 DPRINTF(("init engine\n"));
819 /* XXX: this seems suspicious - per display engine
820 initialization? */
821 radeonfb_engine_init(dp);
822
823 /* copy the template into place */
824 dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
825 dp->rd_wsscreens = dp->rd_wsscreens_storage;
826
827 /* and make up the list */
828 dp->rd_wsscreenlist.nscreens = 1;
829 dp->rd_wsscreenlist.screens = (void *)&dp->rd_wsscreens;
830
831 vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
832 &radeonfb_accessops);
833
834 dp->rd_vd.init_screen = radeonfb_init_screen;
835
836 dp->rd_console = 0;
837 prop_dictionary_get_bool(device_properties(sc->sc_dev),
838 "is_console", &dp->rd_console);
839
840 dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
841
842
843 vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
844 dp->rd_console, &defattr);
845
846 ri = &dp->rd_vscreen.scr_ri;
847
848 /* clear the screen */
849 rasops_unpack_attr(defattr, &fg, &bg, &ul);
850 radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
851 ri->ri_devcmap[bg & 0xf]);
852
853 dp->rd_wsscreens->textops = &ri->ri_ops;
854 dp->rd_wsscreens->capabilities = ri->ri_caps;
855 dp->rd_wsscreens->nrows = ri->ri_rows;
856 dp->rd_wsscreens->ncols = ri->ri_cols;
857
858 #ifdef SPLASHSCREEN
859 dp->rd_splash.si_depth = ri->ri_depth;
860 dp->rd_splash.si_bits = ri->ri_bits;
861 dp->rd_splash.si_hwbits = ri->ri_hwbits;
862 dp->rd_splash.si_width = ri->ri_width;
863 dp->rd_splash.si_height = ri->ri_height;
864 dp->rd_splash.si_stride = ri->ri_stride;
865 dp->rd_splash.si_fillrect = NULL;
866 #endif
867 dp->rd_gc.gc_bitblt = radeonfb_bitblt;
868 dp->rd_gc.gc_rop = RADEON_ROP3_S;
869 dp->rd_gc.gc_blitcookie = dp;
870 glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
871 (0x800000 / dp->rd_stride) - (dp->rd_virty + 4),
872 dp->rd_virty,
873 ri->ri_font->fontwidth,
874 ri->ri_font->fontheight,
875 defattr);
876 if (dp->rd_console) {
877
878 radeonfb_modeswitch(dp);
879 wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
880 defattr);
881 #ifdef SPLASHSCREEN
882 if (splash_render(&dp->rd_splash,
883 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
884 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
885 else
886 #endif
887 vcons_replay_msgbuf(&dp->rd_vscreen);
888 } else {
889
890 /*
891 * since we're not the console we can postpone
892 * the rest until someone actually allocates a
893 * screen for us. but we do clear the screen
894 * at least.
895 */
896 memset(ri->ri_bits, 0, 1024);
897
898 radeonfb_modeswitch(dp);
899 #ifdef SPLASHSCREEN
900 if (splash_render(&dp->rd_splash,
901 SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
902 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
903 #endif
904 }
905
906 aa.console = dp->rd_console;
907 aa.scrdata = &dp->rd_wsscreenlist;
908 aa.accessops = &radeonfb_accessops;
909 aa.accesscookie = &dp->rd_vd;
910
911 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
912
913 radeonfb_blank(dp, 0);
914
915 /* Initialise delayed lvds operations for backlight. */
916 callout_init(&dp->rd_bl_lvds_co, 0);
917 callout_setfunc(&dp->rd_bl_lvds_co,
918 radeonfb_lvds_callout, dp);
919 }
920
921 /*
922 * if we have console output via firmware like on sparc64 it may
923 * interfere with DAC programming so program the palette again
924 * here after we took over
925 */
926 radeonfb_init_palette(sc, 0);
927 if (HAS_CRTC2(sc))
928 radeonfb_init_palette(sc, 1);
929
930 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
931 radeonfb_brightness_up, TRUE);
932 pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
933 radeonfb_brightness_down, TRUE);
934
935 config_found_ia(dev, "drm", aux, radeonfb_drm_print);
936
937 return;
938
939 error:
940 if (sc->sc_biossz)
941 free(sc->sc_bios, M_DEVBUF);
942
943 if (sc->sc_regsz)
944 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
945
946 if (sc->sc_memsz)
947 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
948 }
949
950 static void
951 radeonfb_map(struct radeonfb_softc *sc)
952 {
953 if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
954 &sc->sc_regh) != 0) {
955 aprint_error("%s: unable to map registers!\n", XNAME(sc));
956 return;
957 }
958 if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
959 BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
960 sc->sc_memsz = 0;
961 aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
962 return;
963 }
964 }
965
966 static void
967 radeonfb_unmap(struct radeonfb_softc *sc)
968 {
969 bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
970 bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
971 }
972
973 static int
974 radeonfb_drm_print(void *aux, const char *pnp)
975 {
976 if (pnp)
977 aprint_normal("drm at %s", pnp);
978 return (UNCONF);
979 }
980
981 int
982 radeonfb_ioctl(void *v, void *vs,
983 unsigned long cmd, void *d, int flag, struct lwp *l)
984 {
985 struct vcons_data *vd;
986 struct radeonfb_display *dp;
987 struct radeonfb_softc *sc;
988 struct wsdisplay_param *param;
989
990 vd = (struct vcons_data *)v;
991 dp = (struct radeonfb_display *)vd->cookie;
992 sc = dp->rd_softc;
993
994 switch (cmd) {
995 case WSDISPLAYIO_GTYPE:
996 *(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
997 return 0;
998
999 case WSDISPLAYIO_GINFO:
1000 if (vd->active != NULL) {
1001 struct wsdisplay_fbinfo *fb;
1002 fb = (struct wsdisplay_fbinfo *)d;
1003 fb->width = dp->rd_virtx;
1004 fb->height = dp->rd_virty;
1005 fb->depth = dp->rd_bpp;
1006 fb->cmsize = 256;
1007 return 0;
1008 } else
1009 return ENODEV;
1010 case WSDISPLAYIO_GVIDEO:
1011 if (radeonfb_isblank(dp))
1012 *(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
1013 else
1014 *(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
1015 return 0;
1016
1017 case WSDISPLAYIO_SVIDEO:
1018 radeonfb_blank(dp,
1019 (*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
1020 return 0;
1021
1022 case WSDISPLAYIO_GETCMAP:
1023 #if 0
1024 if (dp->rd_bpp == 8)
1025 return radeonfb_getcmap(sc,
1026 (struct wsdisplay_cmap *)d);
1027 #endif
1028 return EINVAL;
1029
1030 case WSDISPLAYIO_PUTCMAP:
1031 #if 0
1032 if (dp->rd_bpp == 8)
1033 return radeonfb_putcmap(sc,
1034 (struct wsdisplay_cmap *)d);
1035 #endif
1036 return EINVAL;
1037
1038 case WSDISPLAYIO_LINEBYTES:
1039 *(unsigned *)d = dp->rd_stride;
1040 return 0;
1041
1042 case WSDISPLAYIO_SMODE:
1043 if (*(int *)d != dp->rd_wsmode) {
1044 dp->rd_wsmode = *(int *)d;
1045 if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
1046 (dp->rd_vd.active)) {
1047 radeonfb_map(sc);
1048 radeonfb_engine_init(dp);
1049 glyphcache_wipe(&dp->rd_gc);
1050 radeonfb_init_palette(sc, dp == &sc->sc_displays[0] ? 0 : 1);
1051 radeonfb_modeswitch(dp);
1052 vcons_redraw_screen(dp->rd_vd.active);
1053 } else {
1054 radeonfb_unmap(sc);
1055 }
1056 }
1057 return 0;
1058
1059 case WSDISPLAYIO_GCURMAX:
1060 ((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
1061 ((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
1062 return 0;
1063
1064 case WSDISPLAYIO_SCURSOR:
1065 return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
1066
1067 case WSDISPLAYIO_GCURSOR:
1068 return EPASSTHROUGH;
1069
1070 case WSDISPLAYIO_GCURPOS:
1071 ((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
1072 ((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
1073 return 0;
1074
1075 case WSDISPLAYIO_SCURPOS:
1076 return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
1077
1078 case WSDISPLAYIO_SSPLASH:
1079 #if defined(SPLASHSCREEN)
1080 if (*(int *)d == 1) {
1081 SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
1082 splash_render(&dp->rd_splash,
1083 SPLASH_F_CENTER|SPLASH_F_FILL);
1084 } else
1085 SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
1086 return 0;
1087 #else
1088 return ENODEV;
1089 #endif
1090 case WSDISPLAYIO_GETPARAM:
1091 param = (struct wsdisplay_param *)d;
1092 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1093 param->min = 0;
1094 param->max = RADEONFB_BACKLIGHT_MAX;
1095 param->curval = radeonfb_get_backlight(dp);
1096 return 0;
1097 }
1098 return EPASSTHROUGH;
1099
1100 case WSDISPLAYIO_SETPARAM:
1101 param = (struct wsdisplay_param *)d;
1102 if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
1103 return radeonfb_set_backlight(dp, param->curval);
1104 }
1105 return EPASSTHROUGH;
1106
1107 /* PCI config read/write passthrough. */
1108 case PCI_IOC_CFGREAD:
1109 case PCI_IOC_CFGWRITE:
1110 return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
1111
1112 case WSDISPLAYIO_GET_BUSID:
1113 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
1114 sc->sc_pt, d);
1115
1116 case WSDISPLAYIO_GET_EDID: {
1117 struct wsdisplayio_edid_info *ei = d;
1118 return wsdisplayio_get_edid(sc->sc_dev, ei);
1119 }
1120
1121 default:
1122 return EPASSTHROUGH;
1123 }
1124 }
1125
1126 paddr_t
1127 radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
1128 {
1129 struct vcons_data *vd;
1130 struct radeonfb_display *dp;
1131 struct radeonfb_softc *sc;
1132 paddr_t pa;
1133
1134 vd = (struct vcons_data *)v;
1135 dp = (struct radeonfb_display *)vd->cookie;
1136 sc = dp->rd_softc;
1137
1138 /* XXX: note that we don't allow mapping of registers right now */
1139 /* XXX: this means that the XFree86 radeon driver won't work */
1140 if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
1141 pa = bus_space_mmap(sc->sc_memt,
1142 sc->sc_memaddr + dp->rd_offset + offset, 0,
1143 prot, BUS_SPACE_MAP_LINEAR);
1144 return pa;
1145 }
1146
1147 #ifdef RADEONFB_MMAP_BARS
1148 /*
1149 * restrict all other mappings to processes with superuser privileges
1150 * or the kernel itself
1151 */
1152 if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
1153 NULL, NULL, NULL, NULL) != 0) {
1154 aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
1155 return -1;
1156 }
1157
1158 if ((offset >= sc->sc_regaddr) &&
1159 (offset < sc->sc_regaddr + sc->sc_regsz)) {
1160 return bus_space_mmap(sc->sc_regt, offset, 0, prot,
1161 BUS_SPACE_MAP_LINEAR);
1162 }
1163
1164 if ((offset >= sc->sc_memaddr) &&
1165 (offset < sc->sc_memaddr + sc->sc_memsz)) {
1166 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1167 BUS_SPACE_MAP_LINEAR);
1168 }
1169
1170 if ((offset >= sc->sc_romaddr) &&
1171 (offset < sc->sc_romaddr + sc->sc_romsz)) {
1172 return bus_space_mmap(sc->sc_memt, offset, 0, prot,
1173 BUS_SPACE_MAP_LINEAR);
1174 }
1175
1176 #ifdef PCI_MAGIC_IO_RANGE
1177 /* allow mapping of IO space */
1178 if ((offset >= PCI_MAGIC_IO_RANGE) &&
1179 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
1180 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
1181 0, prot, 0);
1182 return pa;
1183 }
1184 #endif /* PCI_MAGIC_IO_RANGE */
1185
1186 #endif /* RADEONFB_MMAP_BARS */
1187
1188 return -1;
1189 }
1190
1191 static void
1192 radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
1193 {
1194 bus_space_tag_t romt;
1195 bus_space_handle_t romh, biosh;
1196 bus_size_t romsz;
1197 bus_addr_t ptr;
1198
1199 if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
1200 BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
1201 aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
1202 return;
1203 }
1204
1205 pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
1206 &sc->sc_biossz);
1207 if (sc->sc_biossz == 0) {
1208 aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
1209 return;
1210 }
1211
1212 sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
1213 bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
1214
1215 /* unmap the PCI expansion rom */
1216 bus_space_unmap(romt, romh, romsz);
1217
1218 /* turn off rom decoder now */
1219 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
1220 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
1221 ~PCI_MAPREG_ROM_ENABLE);
1222
1223 ptr = GETBIOS16(sc, 0x48);
1224 if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
1225 (GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
1226 sc->sc_flags |= RFB_ATOM;
1227 }
1228
1229 aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
1230 (unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
1231 }
1232
1233
1234 uint32_t
1235 radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
1236 {
1237
1238 return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
1239 }
1240
1241 void
1242 radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1243 {
1244
1245 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
1246 }
1247
1248 void
1249 radeonfb_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
1250 {
1251
1252 bus_space_write_stream_4(sc->sc_regt, sc->sc_regh, reg, val);
1253 }
1254
1255 void
1256 radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
1257 uint32_t andmask, uint32_t ormask)
1258 {
1259 int s;
1260 uint32_t val;
1261
1262 s = splhigh();
1263 val = radeonfb_get32(sc, reg);
1264 val = (val & andmask) | ormask;
1265 radeonfb_put32(sc, reg, val);
1266 splx(s);
1267 }
1268
1269 uint32_t
1270 radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
1271 {
1272 int s;
1273 uint32_t val;
1274
1275 s = splhigh();
1276 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1277 val = radeonfb_get32(sc, RADEON_MM_DATA);
1278 splx(s);
1279
1280 return (val);
1281 }
1282
1283 void
1284 radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1285 {
1286 int s;
1287
1288 s = splhigh();
1289 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1290 radeonfb_put32(sc, RADEON_MM_DATA, val);
1291 splx(s);
1292 }
1293
1294 void
1295 radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
1296 uint32_t andmask, uint32_t ormask)
1297 {
1298 int s;
1299 uint32_t val;
1300
1301 s = splhigh();
1302 radeonfb_put32(sc, RADEON_MM_INDEX, idx);
1303 val = radeonfb_get32(sc, RADEON_MM_DATA);
1304 val = (val & andmask) | ormask;
1305 radeonfb_put32(sc, RADEON_MM_DATA, val);
1306 splx(s);
1307 }
1308
1309 uint32_t
1310 radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
1311 {
1312 int s;
1313 uint32_t val;
1314
1315 s = splhigh();
1316 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
1317 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1318 if (HAS_R300CG(sc))
1319 radeonfb_r300cg_workaround(sc);
1320 splx(s);
1321
1322 return (val);
1323 }
1324
1325 void
1326 radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
1327 {
1328 int s;
1329
1330 s = splhigh();
1331 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1332 RADEON_PLL_WR_EN);
1333 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1334 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1335 splx(s);
1336 }
1337
1338 void
1339 radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
1340 uint32_t andmask, uint32_t ormask)
1341 {
1342 int s;
1343 uint32_t val;
1344
1345 s = splhigh();
1346 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
1347 RADEON_PLL_WR_EN);
1348 val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
1349 val = (val & andmask) | ormask;
1350 radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
1351 radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
1352 splx(s);
1353 }
1354
1355 int
1356 radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
1357 {
1358 uint32_t saved;
1359
1360 saved = GET32(sc, reg);
1361 PUT32(sc, reg, v);
1362 if (GET32(sc, reg) != v) {
1363 return -1;
1364 }
1365 PUT32(sc, reg, saved);
1366 return 0;
1367 }
1368
1369 uintmax_t
1370 radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
1371 uintmax_t defval)
1372 {
1373 prop_number_t pn;
1374 pn = prop_dictionary_get(device_properties(sc->sc_dev), name);
1375 if (pn == NULL) {
1376 return defval;
1377 }
1378 KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
1379 return (prop_number_integer_value(pn));
1380 }
1381
1382 int
1383 radeonfb_getclocks(struct radeonfb_softc *sc)
1384 {
1385 bus_addr_t ptr;
1386 int refclk = 0;
1387 int refdiv = 0;
1388 int minpll = 0;
1389 int maxpll = 0;
1390
1391 /* load initial property values if port/board provides them */
1392 refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
1393 refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
1394 minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
1395 maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
1396
1397 if (refclk && refdiv && minpll && maxpll)
1398 goto dontprobe;
1399
1400 if (!sc->sc_biossz) {
1401 /* no BIOS */
1402 aprint_verbose("%s: No video BIOS, using default clocks\n",
1403 XNAME(sc));
1404 if (IS_IGP(sc))
1405 refclk = refclk ? refclk : 1432;
1406 else
1407 refclk = refclk ? refclk : 2700;
1408 refdiv = refdiv ? refdiv : 12;
1409 minpll = minpll ? minpll : 12500;
1410 maxpll = maxpll ? maxpll : 35000;
1411 } else if (IS_ATOM(sc)) {
1412 /* ATOM BIOS */
1413 ptr = GETBIOS16(sc, 0x48);
1414 ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
1415 ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
1416 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
1417 minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
1418 maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
1419 /*
1420 * ATOM BIOS doesn't supply a reference divider, so we
1421 * have to probe for it.
1422 */
1423 if (refdiv < 2)
1424 refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
1425 RADEON_PPLL_REF_DIV_MASK;
1426 /*
1427 * if probe is zero, just assume one that should work
1428 * for most parts
1429 */
1430 if (refdiv < 2)
1431 refdiv = 12;
1432
1433 } else {
1434 /* Legacy BIOS */
1435 ptr = GETBIOS16(sc, 0x48);
1436 ptr = GETBIOS16(sc, ptr + 0x30);
1437 refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
1438 refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
1439 minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
1440 maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
1441 }
1442
1443
1444 dontprobe:
1445 sc->sc_refclk = refclk * 10;
1446 sc->sc_refdiv = refdiv;
1447 sc->sc_minpll = minpll * 10;
1448 sc->sc_maxpll = maxpll * 10;
1449 return 0;
1450 }
1451
1452 int
1453 radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
1454 uint32_t *postdivbit, uint32_t *feedbackdiv)
1455 {
1456 int i;
1457 uint32_t outfreq;
1458 int div;
1459
1460 DPRINTF(("dot clock: %u\n", dotclock));
1461 for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
1462 outfreq = div * dotclock;
1463 if ((outfreq >= sc->sc_minpll) &&
1464 (outfreq <= sc->sc_maxpll)) {
1465 DPRINTF(("outfreq: %u\n", outfreq));
1466 *postdivbit =
1467 ((uint32_t)radeonfb_dividers[i].mask << 16);
1468 DPRINTF(("post divider: %d (mask %x)\n", div,
1469 *postdivbit));
1470 break;
1471 }
1472 }
1473
1474 if (div == 0)
1475 return 1;
1476
1477 *feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
1478 DPRINTF(("feedback divider: %d\n", *feedbackdiv));
1479 return 0;
1480 }
1481
1482 #if 0
1483 #ifdef RADEONFB_DEBUG
1484 static void
1485 dump_buffer(const char *pfx, void *buffer, unsigned int size)
1486 {
1487 char asc[17];
1488 unsigned ptr = (unsigned)buffer;
1489 char *start = (char *)(ptr & ~0xf);
1490 char *end = (char *)(ptr + size);
1491
1492 end = (char *)(((unsigned)end + 0xf) & ~0xf);
1493
1494 if (pfx == NULL) {
1495 pfx = "";
1496 }
1497
1498 while (start < end) {
1499 unsigned offset = (unsigned)start & 0xf;
1500 if (offset == 0) {
1501 printf("%s%x: ", pfx, (unsigned)start);
1502 }
1503 if (((unsigned)start < ptr) ||
1504 ((unsigned)start >= (ptr + size))) {
1505 printf(" ");
1506 asc[offset] = ' ';
1507 } else {
1508 printf("%02x", *(unsigned char *)start);
1509 if ((*start >= ' ') && (*start <= '~')) {
1510 asc[offset] = *start;
1511 } else {
1512 asc[offset] = '.';
1513 }
1514 }
1515 asc[offset + 1] = 0;
1516 if (offset % 2) {
1517 printf(" ");
1518 }
1519 if (offset == 15) {
1520 printf(" %s\n", asc);
1521 }
1522 start++;
1523 }
1524 }
1525 #endif
1526 #endif
1527
1528 int
1529 radeonfb_getconnectors(struct radeonfb_softc *sc)
1530 {
1531 int i;
1532 int found = 0;
1533
1534 for (i = 0; i < 2; i++) {
1535 sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
1536 sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
1537 sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
1538 sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
1539 sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
1540 }
1541
1542 /*
1543 * This logic is borrowed from Xorg's radeon driver.
1544 */
1545 if (!sc->sc_biossz)
1546 goto nobios;
1547
1548 if (IS_ATOM(sc)) {
1549 /* not done yet */
1550 } else {
1551 uint16_t ptr;
1552 int port = 0;
1553
1554 ptr = GETBIOS16(sc, 0x48);
1555 ptr = GETBIOS16(sc, ptr + 0x50);
1556 for (i = 1; i < 4; i++) {
1557 uint16_t entry;
1558 uint8_t conn, ddc, dac, tmds;
1559
1560 /*
1561 * Parse the connector table. From reading the code,
1562 * it appears to made up of 16-bit entries for each
1563 * connector. The 16-bits are defined as:
1564 *
1565 * bits 12-15 - connector type (0 == end of table)
1566 * bits 8-11 - DDC type
1567 * bits 5-7 - ???
1568 * bit 4 - TMDS type (1 = EXT, 0 = INT)
1569 * bits 1-3 - ???
1570 * bit 0 - DAC, 1 = TVDAC, 0 = primary
1571 */
1572 if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
1573 break;
1574 entry = GETBIOS16(sc, ptr + i * 2);
1575
1576 conn = (entry >> 12) & 0xf;
1577 ddc = (entry >> 8) & 0xf;
1578 dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
1579 RADEON_DAC_PRIMARY;
1580 tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
1581 RADEON_TMDS_INT;
1582
1583 if (conn == RADEON_CONN_NONE)
1584 continue; /* no connector */
1585
1586 if ((found > 0) &&
1587 (sc->sc_ports[port].rp_ddc_type == ddc)) {
1588 /* duplicate entry for same connector */
1589 continue;
1590 }
1591
1592 /* internal DDC_DVI port gets priority */
1593 if ((ddc == RADEON_DDC_DVI) || (port == 1))
1594 port = 0;
1595 else
1596 port = 1;
1597
1598 sc->sc_ports[port].rp_ddc_type =
1599 ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
1600 sc->sc_ports[port].rp_dac_type = dac;
1601 sc->sc_ports[port].rp_conn_type =
1602 min(conn, RADEON_CONN_UNSUPPORTED) ;
1603
1604 sc->sc_ports[port].rp_tmds_type = tmds;
1605
1606 if ((conn != RADEON_CONN_DVI_I) &&
1607 (conn != RADEON_CONN_DVI_D) &&
1608 (tmds == RADEON_TMDS_INT))
1609 sc->sc_ports[port].rp_tmds_type =
1610 RADEON_TMDS_UNKNOWN;
1611
1612 found += (port + 1);
1613 }
1614 }
1615
1616 nobios:
1617 if (!found) {
1618 DPRINTF(("No connector info in BIOS!\n"));
1619 /* default, port 0 = internal TMDS, port 1 = CRT */
1620 sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
1621 sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
1622 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1623 sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
1624 sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
1625
1626 sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
1627 sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
1628 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1629 sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
1630 sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
1631 }
1632
1633 /*
1634 * Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
1635 * these chips should use TVDAC for the VGA port.
1636 */
1637 if (HAS_SDAC(sc)) {
1638 if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
1639 sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
1640 sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
1641 } else {
1642 sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
1643 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1644 }
1645 } else if (!HAS_CRTC2(sc)) {
1646 sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
1647 }
1648
1649 for (i = 0; i < 2; i++) {
1650 char edid[128];
1651 uint8_t ddc;
1652 struct edid_info *eip = &sc->sc_ports[i].rp_edid;
1653 prop_data_t edid_data;
1654
1655 DPRINTF(("Port #%d:\n", i));
1656 DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
1657 DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
1658 DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
1659 DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
1660
1661 sc->sc_ports[i].rp_edid_valid = 0;
1662 /* first look for static EDID data */
1663 if ((edid_data = prop_dictionary_get(device_properties(
1664 sc->sc_dev), "EDID")) != NULL) {
1665
1666 aprint_normal_dev(sc->sc_dev, "using static EDID\n");
1667 memcpy(edid, prop_data_data_nocopy(edid_data), 128);
1668 if (edid_parse(edid, eip) == 0) {
1669
1670 sc->sc_ports[i].rp_edid_valid = 1;
1671 }
1672 }
1673 /* if we didn't find any we'll try to talk to the monitor */
1674 if (sc->sc_ports[i].rp_edid_valid != 1) {
1675
1676 ddc = sc->sc_ports[i].rp_ddc_type;
1677 if (ddc != RADEON_DDC_NONE) {
1678 if ((radeonfb_i2c_read_edid(sc, ddc, edid)
1679 == 0) && (edid_parse(edid, eip) == 0)) {
1680
1681 sc->sc_ports[i].rp_edid_valid = 1;
1682 edid_print(eip);
1683 }
1684 }
1685 }
1686 }
1687
1688 return found;
1689 }
1690
1691 int
1692 radeonfb_gettmds(struct radeonfb_softc *sc)
1693 {
1694 int i;
1695
1696 if (!sc->sc_biossz) {
1697 goto nobios;
1698 }
1699
1700 if (IS_ATOM(sc)) {
1701 /* XXX: not done yet */
1702 } else {
1703 uint16_t ptr;
1704 int n;
1705
1706 ptr = GETBIOS16(sc, 0x48);
1707 ptr = GETBIOS16(sc, ptr + 0x34);
1708 DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
1709 if (GETBIOS8(sc, ptr) == 3) {
1710 /* revision three table */
1711 n = GETBIOS8(sc, ptr + 5) + 1;
1712 n = min(n, 4);
1713
1714 memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
1715 for (i = 0; i < n; i++) {
1716 sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
1717 ptr + i * 10 + 8);
1718 sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
1719 ptr + i * 10 + 0x10);
1720 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1721 sc->sc_tmds_pll[i].rtp_freq,
1722 sc->sc_tmds_pll[i].rtp_pll));
1723 }
1724 return 0;
1725 }
1726 }
1727
1728 nobios:
1729 DPRINTF(("no suitable DFP table present\n"));
1730 for (i = 0;
1731 i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
1732 i++) {
1733 int j;
1734
1735 if (radeonfb_tmds_pll[i].family != sc->sc_family)
1736 continue;
1737
1738 for (j = 0; j < 4; j++) {
1739 sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
1740 DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
1741 sc->sc_tmds_pll[j].rtp_freq,
1742 sc->sc_tmds_pll[j].rtp_pll));
1743 }
1744 return 0;
1745 }
1746
1747 return -1;
1748 }
1749
1750 const struct videomode *
1751 radeonfb_modelookup(const char *name)
1752 {
1753 int i;
1754
1755 for (i = 0; i < videomode_count; i++)
1756 if (!strcmp(name, videomode_list[i].name))
1757 return &videomode_list[i];
1758
1759 return NULL;
1760 }
1761
1762 void
1763 radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
1764 {
1765 if (crtc) {
1766 while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1767 RADEON_P2PLL_ATOMIC_UPDATE_R);
1768 SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
1769 } else {
1770 while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1771 RADEON_PPLL_ATOMIC_UPDATE_R);
1772 SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
1773 }
1774 }
1775
1776 void
1777 radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
1778 {
1779 int i;
1780
1781 for (i = 10000; i; i--) {
1782 if (crtc) {
1783 if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
1784 RADEON_P2PLL_ATOMIC_UPDATE_R)
1785 break;
1786 } else {
1787 if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
1788 RADEON_PPLL_ATOMIC_UPDATE_R)
1789 break;
1790 }
1791 }
1792 }
1793
1794 void
1795 radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
1796 {
1797 uint32_t pbit = 0;
1798 uint32_t feed = 0;
1799 uint32_t data;
1800 #if 1
1801 int i;
1802 #endif
1803
1804 radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
1805
1806 if (crtc == 0) {
1807
1808 /* XXXX: mobility workaround missing */
1809 /* XXXX: R300 stuff missing */
1810
1811 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1812 RADEON_VCLK_SRC_SEL_CPUCLK,
1813 ~RADEON_VCLK_SRC_SEL_MASK);
1814
1815 /* put vclk into reset, use atomic updates */
1816 SETPLL(sc, RADEON_PPLL_CNTL,
1817 RADEON_PPLL_REFCLK_SEL |
1818 RADEON_PPLL_FBCLK_SEL |
1819 RADEON_PPLL_RESET |
1820 RADEON_PPLL_ATOMIC_UPDATE_EN |
1821 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1822
1823 /* select clock 3 */
1824 #if 0
1825 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
1826 ~RADEON_PLL_DIV_SEL);
1827 #else
1828 PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
1829 ~RADEON_PLL_DIV_SEL);
1830 #endif
1831
1832 /* XXX: R300 family -- program divider differently? */
1833
1834 /* program reference divider */
1835 PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
1836 ~RADEON_PPLL_REF_DIV_MASK);
1837 PRINTPLL(RADEON_PPLL_REF_DIV);
1838
1839 #if 0
1840 data = GETPLL(sc, RADEON_PPLL_DIV_3);
1841 data &= ~(RADEON_PPLL_FB3_DIV_MASK |
1842 RADEON_PPLL_POST3_DIV_MASK);
1843 data |= pbit;
1844 data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
1845 PUTPLL(sc, RADEON_PPLL_DIV_3, data);
1846 #else
1847 for (i = 0; i < 4; i++) {
1848 }
1849 #endif
1850
1851 /* use the atomic update */
1852 radeonfb_pllwriteupdate(sc, crtc);
1853
1854 /* and wait for it to complete */
1855 radeonfb_pllwaitatomicread(sc, crtc);
1856
1857 /* program HTOTAL (why?) */
1858 PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
1859
1860 /* drop reset */
1861 CLRPLL(sc, RADEON_PPLL_CNTL,
1862 RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
1863 RADEON_PPLL_ATOMIC_UPDATE_EN |
1864 RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
1865
1866 PRINTPLL(RADEON_PPLL_CNTL);
1867
1868 /* give clock time to lock */
1869 delay(50000);
1870
1871 PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
1872 RADEON_VCLK_SRC_SEL_PPLLCLK,
1873 ~RADEON_VCLK_SRC_SEL_MASK);
1874
1875 } else {
1876
1877 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1878 RADEON_PIX2CLK_SRC_SEL_CPUCLK,
1879 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1880
1881 /* put vclk into reset, use atomic updates */
1882 SETPLL(sc, RADEON_P2PLL_CNTL,
1883 RADEON_P2PLL_RESET |
1884 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1885 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1886
1887 /* XXX: R300 family -- program divider differently? */
1888
1889 /* program reference divider */
1890 PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
1891 ~RADEON_P2PLL_REF_DIV_MASK);
1892
1893 /* program feedback and post dividers */
1894 data = GETPLL(sc, RADEON_P2PLL_DIV_0);
1895 data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
1896 RADEON_P2PLL_POST0_DIV_MASK);
1897 data |= pbit;
1898 data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
1899 PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
1900
1901 /* use the atomic update */
1902 radeonfb_pllwriteupdate(sc, crtc);
1903
1904 /* and wait for it to complete */
1905 radeonfb_pllwaitatomicread(sc, crtc);
1906
1907 /* program HTOTAL (why?) */
1908 PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
1909
1910 /* drop reset */
1911 CLRPLL(sc, RADEON_P2PLL_CNTL,
1912 RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
1913 RADEON_P2PLL_ATOMIC_UPDATE_EN |
1914 RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
1915
1916 /* allow time for clock to lock */
1917 delay(50000);
1918
1919 PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
1920 RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
1921 ~RADEON_PIX2CLK_SRC_SEL_MASK);
1922 }
1923 PRINTREG(RADEON_CRTC_MORE_CNTL);
1924 }
1925
1926 void
1927 radeonfb_modeswitch(struct radeonfb_display *dp)
1928 {
1929 struct radeonfb_softc *sc = dp->rd_softc;
1930 int i;
1931
1932 /* blank the display while we switch modes */
1933 radeonfb_blank(dp, 1);
1934
1935 #if 0
1936 SET32(sc, RADEON_CRTC_EXT_CNTL,
1937 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
1938 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
1939 #endif
1940
1941 /* these registers might get in the way... */
1942 PUT32(sc, RADEON_OVR_CLR, 0);
1943 PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
1944 PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
1945 PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
1946 PUT32(sc, RADEON_SUBPIC_CNTL, 0);
1947 PUT32(sc, RADEON_VIPH_CONTROL, 0);
1948 PUT32(sc, RADEON_I2C_CNTL_1, 0);
1949 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
1950 PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
1951 PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
1952 PUT32(sc, RADEON_SURFACE_CNTL, 0);
1953
1954 for (i = 0; i < dp->rd_ncrtcs; i++)
1955 radeonfb_setcrtc(dp, i);
1956
1957 /* activate the display */
1958 radeonfb_blank(dp, 0);
1959 }
1960
1961 void
1962 radeonfb_setcrtc(struct radeonfb_display *dp, int index)
1963 {
1964 int crtc;
1965 struct videomode *mode;
1966 struct radeonfb_softc *sc;
1967 struct radeonfb_crtc *cp;
1968 uint32_t v;
1969 uint32_t gencntl;
1970 uint32_t htotaldisp;
1971 uint32_t hsyncstrt;
1972 uint32_t vtotaldisp;
1973 uint32_t vsyncstrt;
1974 uint32_t fphsyncstrt;
1975 uint32_t fpvsyncstrt;
1976 uint32_t fphtotaldisp;
1977 uint32_t fpvtotaldisp;
1978 uint32_t pitch;
1979
1980 sc = dp->rd_softc;
1981 cp = &dp->rd_crtcs[index];
1982 crtc = cp->rc_number;
1983 mode = &cp->rc_videomode;
1984
1985 #if 1
1986 pitch = (((dp->rd_virtx * dp->rd_bpp) + ((dp->rd_bpp * 8) - 1)) /
1987 (dp->rd_bpp * 8));
1988 #else
1989 pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
1990 (sc->sc_maxbpp * 8));
1991 #endif
1992
1993 switch (crtc) {
1994 case 0:
1995 gencntl = RADEON_CRTC_GEN_CNTL;
1996 htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
1997 hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
1998 vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
1999 vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
2000 fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
2001 fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
2002 fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
2003 fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
2004 break;
2005 case 1:
2006 gencntl = RADEON_CRTC2_GEN_CNTL;
2007 htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
2008 hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
2009 vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
2010 vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
2011 fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
2012 fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
2013 fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
2014 fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
2015 break;
2016 default:
2017 panic("Bad CRTC!");
2018 break;
2019 }
2020
2021 /*
2022 * CRTC_GEN_CNTL - depth, accelerator mode, etc.
2023 */
2024 /* only bother with 32bpp and 8bpp */
2025 v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
2026
2027 if (crtc == 1) {
2028 v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
2029 } else {
2030 v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
2031 }
2032
2033 if (mode->flags & VID_DBLSCAN)
2034 v |= RADEON_CRTC2_DBL_SCAN_EN;
2035
2036 if (mode->flags & VID_INTERLACE)
2037 v |= RADEON_CRTC2_INTERLACE_EN;
2038
2039 if (mode->flags & VID_CSYNC) {
2040 v |= RADEON_CRTC2_CSYNC_EN;
2041 if (crtc == 1)
2042 v |= RADEON_CRTC2_VSYNC_TRISTAT;
2043 }
2044
2045 PUT32(sc, gencntl, v);
2046 DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
2047
2048 /*
2049 * CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
2050 */
2051 v = GET32(sc, RADEON_CRTC_EXT_CNTL);
2052 if (crtc == 0) {
2053 v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2054 RADEON_CRTC_DISPLAY_DIS);
2055 v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
2056 if (mode->flags & VID_CSYNC)
2057 v |= RADEON_CRTC_VSYNC_TRISTAT;
2058 }
2059 /* unconditional turn on CRT, in case first CRTC is DFP */
2060 v |= RADEON_CRTC_CRT_ON;
2061 PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
2062 PRINTREG(RADEON_CRTC_EXT_CNTL);
2063
2064 /*
2065 * H_TOTAL_DISP
2066 */
2067 v = ((mode->hdisplay / 8) - 1) << 16;
2068 v |= (mode->htotal / 8) - 1;
2069 PUT32(sc, htotaldisp, v);
2070 DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2071 PUT32(sc, fphtotaldisp, v);
2072 DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2073
2074 /*
2075 * H_SYNC_STRT_WID
2076 */
2077 v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
2078 v |= mode->hsync_start;
2079 if (mode->flags & VID_NHSYNC)
2080 v |= RADEON_CRTC_H_SYNC_POL;
2081 PUT32(sc, hsyncstrt, v);
2082 DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2083 PUT32(sc, fphsyncstrt, v);
2084 DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2085
2086 /*
2087 * V_TOTAL_DISP
2088 */
2089 v = ((mode->vdisplay - 1) << 16);
2090 v |= (mode->vtotal - 1);
2091 PUT32(sc, vtotaldisp, v);
2092 DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2093 PUT32(sc, fpvtotaldisp, v);
2094 DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
2095
2096 /*
2097 * V_SYNC_STRT_WID
2098 */
2099 v = ((mode->vsync_end - mode->vsync_start) << 16);
2100 v |= (mode->vsync_start - 1);
2101 if (mode->flags & VID_NVSYNC)
2102 v |= RADEON_CRTC_V_SYNC_POL;
2103 PUT32(sc, vsyncstrt, v);
2104 DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2105 PUT32(sc, fpvsyncstrt, v);
2106 DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
2107
2108 radeonfb_program_vclk(sc, mode->dot_clock, crtc);
2109
2110 switch (crtc) {
2111 case 0:
2112 PUT32(sc, RADEON_CRTC_OFFSET, 0);
2113 PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
2114 PUT32(sc, RADEON_CRTC_PITCH, pitch);
2115 CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
2116
2117 CLR32(sc, RADEON_CRTC_EXT_CNTL,
2118 RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
2119 RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
2120 CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
2121 PRINTREG(RADEON_CRTC_EXT_CNTL);
2122 PRINTREG(RADEON_CRTC_GEN_CNTL);
2123 PRINTREG(RADEON_CLOCK_CNTL_INDEX);
2124 break;
2125
2126 case 1:
2127 PUT32(sc, RADEON_CRTC2_OFFSET, 0);
2128 PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
2129 PUT32(sc, RADEON_CRTC2_PITCH, pitch);
2130 CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
2131 CLR32(sc, RADEON_CRTC2_GEN_CNTL,
2132 RADEON_CRTC2_VSYNC_DIS |
2133 RADEON_CRTC2_HSYNC_DIS |
2134 RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
2135 PRINTREG(RADEON_CRTC2_GEN_CNTL);
2136 break;
2137 }
2138 }
2139
2140 int
2141 radeonfb_isblank(struct radeonfb_display *dp)
2142 {
2143 uint32_t reg, mask;
2144
2145 if (dp->rd_crtcs[0].rc_number) {
2146 reg = RADEON_CRTC2_GEN_CNTL;
2147 mask = RADEON_CRTC2_DISP_DIS;
2148 } else {
2149 reg = RADEON_CRTC_EXT_CNTL;
2150 mask = RADEON_CRTC_DISPLAY_DIS;
2151 }
2152 return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
2153 }
2154
2155 void
2156 radeonfb_blank(struct radeonfb_display *dp, int blank)
2157 {
2158 struct radeonfb_softc *sc = dp->rd_softc;
2159 uint32_t reg, mask;
2160 uint32_t fpreg, fpval;
2161 int i;
2162
2163 for (i = 0; i < dp->rd_ncrtcs; i++) {
2164
2165 if (dp->rd_crtcs[i].rc_number) {
2166 reg = RADEON_CRTC2_GEN_CNTL;
2167 mask = RADEON_CRTC2_DISP_DIS;
2168 fpreg = RADEON_FP2_GEN_CNTL;
2169 fpval = RADEON_FP2_ON;
2170 } else {
2171 reg = RADEON_CRTC_EXT_CNTL;
2172 mask = RADEON_CRTC_DISPLAY_DIS;
2173 fpreg = RADEON_FP_GEN_CNTL;
2174 fpval = RADEON_FP_FPON;
2175 }
2176
2177 if (blank) {
2178 SET32(sc, reg, mask);
2179 CLR32(sc, fpreg, fpval);
2180 } else {
2181 CLR32(sc, reg, mask);
2182 SET32(sc, fpreg, fpval);
2183 }
2184 }
2185 PRINTREG(RADEON_FP_GEN_CNTL);
2186 PRINTREG(RADEON_FP2_GEN_CNTL);
2187 }
2188
2189 void
2190 radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
2191 long *defattr)
2192 {
2193 struct radeonfb_display *dp = cookie;
2194 struct rasops_info *ri = &scr->scr_ri;
2195
2196 /* initialize font subsystem */
2197 wsfont_init();
2198
2199 DPRINTF(("init screen called, existing %d\n", existing));
2200
2201 ri->ri_depth = dp->rd_bpp;
2202 ri->ri_width = dp->rd_virtx;
2203 ri->ri_height = dp->rd_virty;
2204 ri->ri_stride = dp->rd_stride;
2205 ri->ri_flg = RI_CENTER;
2206 if (ri->ri_depth == 32) {
2207 ri->ri_flg |= RI_ENABLE_ALPHA;
2208 }
2209 if (ri->ri_depth == 8) {
2210 ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB;
2211 }
2212 ri->ri_bits = (void *)dp->rd_fbptr;
2213
2214 #ifdef VCONS_DRAW_INTR
2215 scr->scr_flags |= VCONS_DONT_READ;
2216 #endif
2217
2218 /* this is rgb in "big-endian order..." */
2219 ri->ri_rnum = 8;
2220 ri->ri_gnum = 8;
2221 ri->ri_bnum = 8;
2222 ri->ri_rpos = 16;
2223 ri->ri_gpos = 8;
2224 ri->ri_bpos = 0;
2225
2226 if (existing) {
2227 ri->ri_flg |= RI_CLEAR;
2228
2229 /* start a modeswitch now */
2230 radeonfb_modeswitch(dp);
2231 }
2232
2233 /*
2234 * XXX: font selection should be based on properties, with some
2235 * normal/reasonable default.
2236 */
2237
2238 /* initialize and look for an initial font */
2239 rasops_init(ri, 0, 0);
2240 ri->ri_caps = WSSCREEN_WSCOLORS;
2241
2242 rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
2243 dp->rd_virtx / ri->ri_font->fontwidth);
2244
2245 /* enable acceleration */
2246 dp->rd_putchar = ri->ri_ops.putchar;
2247 ri->ri_ops.copyrows = radeonfb_copyrows;
2248 ri->ri_ops.copycols = radeonfb_copycols;
2249 ri->ri_ops.eraserows = radeonfb_eraserows;
2250 ri->ri_ops.erasecols = radeonfb_erasecols;
2251 /* pick a putchar method based on font and Radeon model */
2252 if (ri->ri_font->stride < ri->ri_font->fontwidth) {
2253 /* got a bitmap font */
2254 if (IS_R300(dp->rd_softc)) {
2255 /*
2256 * radeonfb_putchar() doesn't work right on some R3xx
2257 * so we use software drawing here, the wrapper just
2258 * makes sure the engine is idle before scribbling
2259 * into vram
2260 */
2261 ri->ri_ops.putchar = radeonfb_putchar_wrapper;
2262 } else {
2263 ri->ri_ops.putchar = radeonfb_putchar;
2264 }
2265 } else {
2266 /* got an alpha font */
2267 switch(ri->ri_depth) {
2268 case 32:
2269 ri->ri_ops.putchar = radeonfb_putchar_aa32;
2270 break;
2271 case 8:
2272 ri->ri_ops.putchar = radeonfb_putchar_aa8;
2273 break;
2274 default:
2275 /* XXX this should never happen */
2276 panic("%s: depth is not 8 or 32 but we got an alpha font?!",
2277 __func__);
2278 }
2279 }
2280 ri->ri_ops.cursor = radeonfb_cursor;
2281 }
2282
2283 void
2284 radeonfb_set_fbloc(struct radeonfb_softc *sc)
2285 {
2286 uint32_t gen, ext, gen2 = 0;
2287 uint32_t agploc, aperbase, apersize, mcfbloc;
2288
2289 gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
2290 ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
2291 agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
2292 aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
2293 apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
2294
2295 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
2296 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
2297 //PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
2298 //PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
2299
2300 if (HAS_CRTC2(sc)) {
2301 gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
2302 PUT32(sc, RADEON_CRTC2_GEN_CNTL,
2303 gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
2304 }
2305
2306 delay(100000);
2307
2308 mcfbloc = (aperbase >> 16) |
2309 ((aperbase + (apersize - 1)) & 0xffff0000);
2310
2311 sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
2312 sc->sc_memsz = apersize;
2313
2314 if (((agploc & 0xffff) << 16) !=
2315 ((mcfbloc & 0xffff0000U) + 0x10000)) {
2316 agploc = mcfbloc & 0xffff0000U;
2317 agploc |= ((agploc + 0x10000) >> 16);
2318 }
2319
2320 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2321
2322 PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
2323 PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
2324
2325 DPRINTF(("aperbase = %u\n", aperbase));
2326 PRINTREG(RADEON_MC_FB_LOCATION);
2327 PRINTREG(RADEON_MC_AGP_LOCATION);
2328
2329 PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
2330
2331 if (HAS_CRTC2(sc))
2332 PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
2333
2334 PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
2335
2336 #if 0
2337 /* XXX: what is this AGP garbage? :-) */
2338 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2339 #endif
2340
2341 delay(100000);
2342
2343 PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
2344 PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
2345
2346 if (HAS_CRTC2(sc))
2347 PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
2348 }
2349
2350 void
2351 radeonfb_init_misc(struct radeonfb_softc *sc)
2352 {
2353 PUT32(sc, RADEON_BUS_CNTL,
2354 RADEON_BUS_MASTER_DIS |
2355 RADEON_BUS_PREFETCH_MODE_ACT |
2356 RADEON_BUS_PCI_READ_RETRY_EN |
2357 RADEON_BUS_PCI_WRT_RETRY_EN |
2358 (3 << RADEON_BUS_RETRY_WS_SHIFT) |
2359 RADEON_BUS_MSTR_RD_MULT |
2360 RADEON_BUS_MSTR_RD_LINE |
2361 RADEON_BUS_RD_DISCARD_EN |
2362 RADEON_BUS_MSTR_DISCONNECT_EN |
2363 RADEON_BUS_READ_BURST);
2364
2365 PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
2366 /* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
2367 PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
2368 PUT32(sc, RADEON_RBBM_CNTL,
2369 (3 << RADEON_RB_SETTLE_SHIFT) |
2370 (4 << RADEON_ABORTCLKS_HI_SHIFT) |
2371 (4 << RADEON_ABORTCLKS_CP_SHIFT) |
2372 (4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
2373
2374 /* XXX: figure out what these mean! */
2375 PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
2376 PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
2377 //PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
2378
2379 PUT32(sc, RADEON_GEN_INT_CNTL, 0);
2380 PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
2381 }
2382
2383 /*
2384 * This loads a linear color map for true color.
2385 */
2386 void
2387 radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
2388 {
2389 int i;
2390 uint32_t vclk;
2391
2392 #define DAC_WIDTH ((1 << 10) - 1)
2393 #define CLUT_WIDTH ((1 << 8) - 1)
2394 #define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
2395
2396 vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
2397 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
2398
2399 if (crtc)
2400 SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2401 else
2402 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2403
2404 PUT32(sc, RADEON_PALETTE_INDEX, 0);
2405 if (sc->sc_displays[crtc].rd_bpp == 0)
2406 sc->sc_displays[crtc].rd_bpp = RADEONFB_DEFAULT_DEPTH;
2407
2408 if (sc->sc_displays[crtc].rd_bpp == 8) {
2409 /* ANSI palette */
2410 int j = 0;
2411 uint32_t tmp, r, g, b;
2412
2413 for (i = 0; i <= CLUT_WIDTH; ++i) {
2414 tmp = i & 0xe0;
2415 /*
2416 * replicate bits so 0xe0 maps to a red value of 0xff
2417 * in order to make white look actually white
2418 */
2419 tmp |= (tmp >> 3) | (tmp >> 6);
2420 r = tmp;
2421
2422 tmp = (i & 0x1c) << 3;
2423 tmp |= (tmp >> 3) | (tmp >> 6);
2424 g = tmp;
2425
2426 tmp = (i & 0x03) << 6;
2427 tmp |= tmp >> 2;
2428 tmp |= tmp >> 4;
2429 b = tmp;
2430 PUT32(sc, RADEON_PALETTE_30_DATA,
2431 (r << 22) |
2432 (g << 12) |
2433 (b << 2));
2434 j += 3;
2435 }
2436 } else {
2437 /* linear ramp */
2438 for (i = 0; i <= CLUT_WIDTH; ++i) {
2439 PUT32(sc, RADEON_PALETTE_30_DATA,
2440 (CLUT_COLOR(i) << 10) |
2441 (CLUT_COLOR(i) << 20) |
2442 (CLUT_COLOR(i)));
2443 }
2444 }
2445
2446 CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
2447 PRINTREG(RADEON_DAC_CNTL2);
2448
2449 PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
2450 }
2451
2452 /*
2453 * Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
2454 */
2455 void
2456 radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
2457 {
2458 uint32_t tmp, save;
2459
2460 save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
2461 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2462 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
2463 tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
2464 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
2465 }
2466
2467 /*
2468 * Acceleration entry points.
2469 */
2470
2471 /* this one draws characters using bitmap fonts */
2472 static void
2473 radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
2474 {
2475 struct rasops_info *ri = cookie;
2476 struct vcons_screen *scr = ri->ri_hw;
2477 struct radeonfb_display *dp = scr->scr_cookie;
2478 struct radeonfb_softc *sc = dp->rd_softc;
2479 struct wsdisplay_font *font = PICK_FONT(ri, c);
2480 uint32_t w, h;
2481 int xd, yd, offset, i;
2482 uint32_t bg, fg, gmc;
2483 uint32_t reg;
2484 uint8_t *data8;
2485 uint16_t *data16;
2486 void *data;
2487
2488 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2489 return;
2490
2491 if (!CHAR_IN_FONT(c, font))
2492 return;
2493
2494 w = font->fontwidth;
2495 h = font->fontheight;
2496
2497 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2498 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2499
2500 xd = ri->ri_xorigin + col * w;
2501 yd = ri->ri_yorigin + row * h;
2502
2503 if (c == 0x20) {
2504 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2505 return;
2506 }
2507 data = WSFONT_GLYPH(c, font);
2508
2509 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2510
2511 radeonfb_wait_fifo(sc, 9);
2512
2513 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2514 RADEON_GMC_BRUSH_NONE |
2515 RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
2516 RADEON_GMC_DST_CLIPPING |
2517 RADEON_ROP3_S |
2518 RADEON_DP_SRC_SOURCE_HOST_DATA |
2519 RADEON_GMC_CLR_CMP_CNTL_DIS |
2520 RADEON_GMC_WR_MSK_DIS |
2521 gmc);
2522
2523 PUT32(sc, RADEON_SC_LEFT, xd);
2524 PUT32(sc, RADEON_SC_RIGHT, xd + w);
2525 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
2526 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
2527 PUT32(sc, RADEON_DP_CNTL,
2528 RADEON_DST_X_LEFT_TO_RIGHT |
2529 RADEON_DST_Y_TOP_TO_BOTTOM);
2530
2531 PUT32(sc, RADEON_SRC_X_Y, 0);
2532 offset = 32 - (font->stride << 3);
2533 PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
2534 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
2535
2536 radeonfb_wait_fifo(sc, h);
2537 switch (font->stride) {
2538 case 1: {
2539 data8 = data;
2540 for (i = 0; i < h; i++) {
2541 reg = *data8;
2542 bus_space_write_stream_4(sc->sc_regt,
2543 sc->sc_regh, RADEON_HOST_DATA0, reg);
2544 data8++;
2545 }
2546 break;
2547 }
2548 case 2: {
2549 data16 = data;
2550 for (i = 0; i < h; i++) {
2551 reg = *data16;
2552 bus_space_write_stream_4(sc->sc_regt,
2553 sc->sc_regh, RADEON_HOST_DATA0, reg);
2554 data16++;
2555 }
2556 break;
2557 }
2558 }
2559 }
2560
2561 /* ... while this one is for anti-aliased ones */
2562 static void
2563 radeonfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
2564 {
2565 struct rasops_info *ri = cookie;
2566 struct vcons_screen *scr = ri->ri_hw;
2567 struct radeonfb_display *dp = scr->scr_cookie;
2568 struct radeonfb_softc *sc = dp->rd_softc;
2569 struct wsdisplay_font *font = PICK_FONT(ri, c);
2570 uint32_t bg, fg, gmc;
2571 uint8_t *data;
2572 int w, h, xd, yd;
2573 int i, r, g, b, aval;
2574 int rf, gf, bf, rb, gb, bb;
2575 uint32_t pixel;
2576 int rv;
2577
2578 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2579 return;
2580
2581 if (!CHAR_IN_FONT(c, font))
2582 return;
2583
2584 w = font->fontwidth;
2585 h = font->fontheight;
2586
2587 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2588 fg = ri->ri_devcmap[(attr >> 24) & 0xf];
2589
2590 xd = ri->ri_xorigin + col * w;
2591 yd = ri->ri_yorigin + row * h;
2592
2593 if (c == 0x20) {
2594 radeonfb_rectfill(dp, xd, yd, w, h, bg);
2595 return;
2596 }
2597 rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
2598 if (rv == GC_OK)
2599 return;
2600
2601 data = WSFONT_GLYPH(c, font);
2602
2603 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2604
2605 radeonfb_wait_fifo(sc, 5);
2606
2607 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2608 RADEON_GMC_BRUSH_NONE |
2609 RADEON_GMC_SRC_DATATYPE_COLOR |
2610 RADEON_ROP3_S |
2611 RADEON_DP_SRC_SOURCE_HOST_DATA |
2612 RADEON_GMC_CLR_CMP_CNTL_DIS |
2613 RADEON_GMC_WR_MSK_DIS |
2614 gmc);
2615
2616 PUT32(sc, RADEON_DP_CNTL,
2617 RADEON_DST_X_LEFT_TO_RIGHT |
2618 RADEON_DST_Y_TOP_TO_BOTTOM);
2619
2620 PUT32(sc, RADEON_SRC_X_Y, 0);
2621 PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
2622 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
2623
2624 rf = (fg >> 16) & 0xff;
2625 rb = (bg >> 16) & 0xff;
2626 gf = (fg >> 8) & 0xff;
2627 gb = (bg >> 8) & 0xff;
2628 bf = fg & 0xff;
2629 bb = bg & 0xff;
2630
2631 /*
2632 * I doubt we can upload data faster than even the slowest Radeon
2633 * could process them, especially when doing the alpha blending stuff
2634 * along the way, so just make sure there's some room in the FIFO and
2635 * then hammer away
2636 * As it turns out we can, so make periodic stops to let the FIFO
2637 * drain.
2638 */
2639 radeonfb_wait_fifo(sc, 20);
2640 for (i = 0; i < ri->ri_fontscale; i++) {
2641 aval = *data;
2642 data++;
2643 if (aval == 0) {
2644 pixel = bg;
2645 } else if (aval == 255) {
2646 pixel = fg;
2647 } else {
2648 r = aval * rf + (255 - aval) * rb;
2649 g = aval * gf + (255 - aval) * gb;
2650 b = aval * bf + (255 - aval) * bb;
2651 pixel = (r & 0xff00) << 8 |
2652 (g & 0xff00) |
2653 (b & 0xff00) >> 8;
2654 }
2655 if (i & 16)
2656 radeonfb_wait_fifo(sc, 20);
2657 PUT32(sc, RADEON_HOST_DATA0, pixel);
2658 }
2659 if (rv == GC_ADD)
2660 glyphcache_add(&dp->rd_gc, c, xd, yd);
2661 }
2662
2663 static void
2664 radeonfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
2665 {
2666 struct rasops_info *ri = cookie;
2667 struct vcons_screen *scr = ri->ri_hw;
2668 struct radeonfb_display *dp = scr->scr_cookie;
2669 struct radeonfb_softc *sc = dp->rd_softc;
2670 struct wsdisplay_font *font = PICK_FONT(ri, c);
2671 uint32_t bg, latch = 0, bg8, fg8, pixel, gmc;
2672 int i, x, y, wi, he, r, g, b, aval;
2673 int r1, g1, b1, r0, g0, b0, fgo, bgo;
2674 uint8_t *data8;
2675 int rv, cnt;
2676
2677 if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
2678 return;
2679
2680 if (!CHAR_IN_FONT(c, font))
2681 return;
2682
2683 wi = font->fontwidth;
2684 he = font->fontheight;
2685
2686 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
2687
2688 x = ri->ri_xorigin + col * wi;
2689 y = ri->ri_yorigin + row * he;
2690
2691 if (c == 0x20) {
2692 radeonfb_rectfill(dp, x, y, wi, he, bg);
2693 return;
2694 }
2695 rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
2696 if (rv == GC_OK)
2697 return;
2698
2699 data8 = WSFONT_GLYPH(c, font);
2700
2701 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2702
2703 radeonfb_wait_fifo(sc, 5);
2704
2705 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2706 RADEON_GMC_BRUSH_NONE |
2707 RADEON_GMC_SRC_DATATYPE_COLOR |
2708 RADEON_ROP3_S |
2709 RADEON_DP_SRC_SOURCE_HOST_DATA |
2710 RADEON_GMC_CLR_CMP_CNTL_DIS |
2711 RADEON_GMC_WR_MSK_DIS |
2712 gmc);
2713
2714 PUT32(sc, RADEON_DP_CNTL,
2715 RADEON_DST_X_LEFT_TO_RIGHT |
2716 RADEON_DST_Y_TOP_TO_BOTTOM);
2717
2718 PUT32(sc, RADEON_SRC_X_Y, 0);
2719 PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
2720 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
2721
2722 /*
2723 * we need the RGB colours here, so get offsets into rasops_cmap
2724 */
2725 fgo = ((attr >> 24) & 0xf) * 3;
2726 bgo = ((attr >> 16) & 0xf) * 3;
2727
2728 r0 = rasops_cmap[bgo];
2729 r1 = rasops_cmap[fgo];
2730 g0 = rasops_cmap[bgo + 1];
2731 g1 = rasops_cmap[fgo + 1];
2732 b0 = rasops_cmap[bgo + 2];
2733 b1 = rasops_cmap[fgo + 2];
2734 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
2735 bg8 = R3G3B2(r0, g0, b0);
2736 fg8 = R3G3B2(r1, g1, b1);
2737
2738 radeonfb_wait_fifo(sc, 20);
2739 cnt = 0;
2740 for (i = 0; i < ri->ri_fontscale; i++) {
2741 aval = *data8;
2742 if (aval == 0) {
2743 pixel = bg8;
2744 } else if (aval == 255) {
2745 pixel = fg8;
2746 } else {
2747 r = aval * r1 + (255 - aval) * r0;
2748 g = aval * g1 + (255 - aval) * g0;
2749 b = aval * b1 + (255 - aval) * b0;
2750 pixel = ((r & 0xe000) >> 8) |
2751 ((g & 0xe000) >> 11) |
2752 ((b & 0xc000) >> 14);
2753 }
2754 latch = (latch << 8) | pixel;
2755 /* write in 32bit chunks */
2756 if ((i & 3) == 3) {
2757 PUT32S(sc, RADEON_HOST_DATA0, latch);
2758 /*
2759 * not strictly necessary, old data should be shifted
2760 * out
2761 */
2762 latch = 0;
2763 cnt++;
2764 if (cnt > 16) {
2765 cnt = 0;
2766 radeonfb_wait_fifo(sc, 20);
2767 }
2768 }
2769 data8++;
2770 }
2771 /* if we have pixels left in latch write them out */
2772 if ((i & 3) != 0) {
2773 latch = latch << ((4 - (i & 3)) << 3);
2774 PUT32(sc, RADEON_HOST_DATA0, latch);
2775 }
2776
2777 if (rv == GC_ADD)
2778 glyphcache_add(&dp->rd_gc, c, x, y);
2779 }
2780
2781 /*
2782 * wrapper for software character drawing
2783 * just sync the engine and call rasops*_putchar()
2784 */
2785
2786 static void
2787 radeonfb_putchar_wrapper(void *cookie, int row, int col, u_int c, long attr)
2788 {
2789 struct rasops_info *ri = cookie;
2790 struct vcons_screen *scr = ri->ri_hw;
2791 struct radeonfb_display *dp = scr->scr_cookie;
2792
2793 radeonfb_engine_idle(dp->rd_softc);
2794 dp->rd_putchar(ri, row, col, c, attr);
2795 }
2796
2797 static void
2798 radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
2799 {
2800 struct rasops_info *ri = cookie;
2801 struct vcons_screen *scr = ri->ri_hw;
2802 struct radeonfb_display *dp = scr->scr_cookie;
2803 uint32_t x, y, w, h, fg, bg, ul;
2804
2805 /* XXX: check for full emulation mode? */
2806 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2807 x = ri->ri_xorigin;
2808 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2809 w = ri->ri_emuwidth;
2810 h = ri->ri_font->fontheight * nrows;
2811
2812 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2813 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2814 }
2815 }
2816
2817 static void
2818 radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
2819 {
2820 struct rasops_info *ri = cookie;
2821 struct vcons_screen *scr = ri->ri_hw;
2822 struct radeonfb_display *dp = scr->scr_cookie;
2823 uint32_t x, ys, yd, w, h;
2824
2825 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2826 x = ri->ri_xorigin;
2827 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
2828 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
2829 w = ri->ri_emuwidth;
2830 h = ri->ri_font->fontheight * nrows;
2831 radeonfb_bitblt(dp, x, ys, x, yd, w, h,
2832 RADEON_ROP3_S);
2833 }
2834 }
2835
2836 static void
2837 radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
2838 {
2839 struct rasops_info *ri = cookie;
2840 struct vcons_screen *scr = ri->ri_hw;
2841 struct radeonfb_display *dp = scr->scr_cookie;
2842 uint32_t xs, xd, y, w, h;
2843
2844 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2845 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
2846 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
2847 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2848 w = ri->ri_font->fontwidth * ncols;
2849 h = ri->ri_font->fontheight;
2850 radeonfb_bitblt(dp, xs, y, xd, y, w, h,
2851 RADEON_ROP3_S);
2852 }
2853 }
2854
2855 static void
2856 radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
2857 long fillattr)
2858 {
2859 struct rasops_info *ri = cookie;
2860 struct vcons_screen *scr = ri->ri_hw;
2861 struct radeonfb_display *dp = scr->scr_cookie;
2862 uint32_t x, y, w, h, fg, bg, ul;
2863
2864 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2865 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
2866 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
2867 w = ri->ri_font->fontwidth * ncols;
2868 h = ri->ri_font->fontheight;
2869
2870 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
2871 radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
2872 }
2873 }
2874
2875 static void
2876 radeonfb_cursor(void *cookie, int on, int row, int col)
2877 {
2878 struct rasops_info *ri = cookie;
2879 struct vcons_screen *scr = ri->ri_hw;
2880 struct radeonfb_display *dp = scr->scr_cookie;
2881 int x, y, wi, he;
2882
2883 wi = ri->ri_font->fontwidth;
2884 he = ri->ri_font->fontheight;
2885
2886 if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
2887 x = ri->ri_ccol * wi + ri->ri_xorigin;
2888 y = ri->ri_crow * he + ri->ri_yorigin;
2889 /* first turn off the old cursor */
2890 if (ri->ri_flg & RI_CURSOR) {
2891 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2892 RADEON_ROP3_Dn);
2893 ri->ri_flg &= ~RI_CURSOR;
2894 }
2895 ri->ri_crow = row;
2896 ri->ri_ccol = col;
2897 /* then (possibly) turn on the new one */
2898 if (on) {
2899 x = ri->ri_ccol * wi + ri->ri_xorigin;
2900 y = ri->ri_crow * he + ri->ri_yorigin;
2901 radeonfb_bitblt(dp, x, y, x, y, wi, he,
2902 RADEON_ROP3_Dn);
2903 ri->ri_flg |= RI_CURSOR;
2904 }
2905 } else {
2906 scr->scr_ri.ri_crow = row;
2907 scr->scr_ri.ri_ccol = col;
2908 scr->scr_ri.ri_flg &= ~RI_CURSOR;
2909 }
2910 }
2911
2912 /*
2913 * Underlying acceleration support.
2914 */
2915
2916 static void
2917 radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
2918 int width, int height, uint32_t color)
2919 {
2920 struct radeonfb_softc *sc = dp->rd_softc;
2921 uint32_t gmc;
2922
2923 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2924
2925 radeonfb_wait_fifo(sc, 6);
2926
2927 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2928 RADEON_GMC_BRUSH_SOLID_COLOR |
2929 RADEON_GMC_SRC_DATATYPE_COLOR |
2930 RADEON_GMC_CLR_CMP_CNTL_DIS |
2931 RADEON_ROP3_P | gmc);
2932
2933 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
2934 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2935 PUT32(sc, RADEON_DP_CNTL,
2936 RADEON_DST_X_LEFT_TO_RIGHT |
2937 RADEON_DST_Y_TOP_TO_BOTTOM);
2938 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2939 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2940
2941 }
2942
2943 static void
2944 radeonfb_bitblt(void *cookie, int srcx, int srcy,
2945 int dstx, int dsty, int width, int height, int rop)
2946 {
2947 struct radeonfb_display *dp = cookie;
2948 struct radeonfb_softc *sc = dp->rd_softc;
2949 uint32_t gmc;
2950 uint32_t dir;
2951
2952 if (dsty < srcy) {
2953 dir = RADEON_DST_Y_TOP_TO_BOTTOM;
2954 } else {
2955 srcy += height - 1;
2956 dsty += height - 1;
2957 dir = 0;
2958 }
2959 if (dstx < srcx) {
2960 dir |= RADEON_DST_X_LEFT_TO_RIGHT;
2961 } else {
2962 srcx += width - 1;
2963 dstx += width - 1;
2964 }
2965
2966 gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
2967
2968 radeonfb_wait_fifo(sc, 6);
2969
2970 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
2971 RADEON_GMC_BRUSH_SOLID_COLOR |
2972 RADEON_GMC_SRC_DATATYPE_COLOR |
2973 RADEON_GMC_CLR_CMP_CNTL_DIS |
2974 RADEON_DP_SRC_SOURCE_MEMORY |
2975 rop | gmc);
2976
2977 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
2978 PUT32(sc, RADEON_DP_CNTL, dir);
2979 PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
2980 PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
2981 PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
2982 }
2983
2984 static void
2985 radeonfb_engine_idle(struct radeonfb_softc *sc)
2986 {
2987
2988 radeonfb_wait_fifo(sc, 64);
2989 while ((GET32(sc, RADEON_RBBM_STATUS) &
2990 RADEON_RBBM_ACTIVE) != 0);
2991 radeonfb_engine_flush(sc);
2992 }
2993
2994 static inline void
2995 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
2996 {
2997 int i;
2998
2999 for (i = RADEON_TIMEOUT; i; i--) {
3000 if ((GET32(sc, RADEON_RBBM_STATUS) &
3001 RADEON_RBBM_FIFOCNT_MASK) >= n)
3002 return;
3003 }
3004 #ifdef DIAGNOSTIC
3005 if (!i)
3006 printf("%s: timed out waiting for fifo (%x)\n",
3007 XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
3008 #endif
3009 }
3010
3011 static void
3012 radeonfb_engine_flush(struct radeonfb_softc *sc)
3013 {
3014 int i = 0;
3015
3016 if (IS_R300(sc)) {
3017 SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
3018 while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
3019 i++;
3020 }
3021 } else {
3022 SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
3023 RADEON_RB2D_DC_FLUSH_ALL);
3024 while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
3025 RADEON_RB2D_DC_BUSY) {
3026 i++;
3027 }
3028 }
3029 #ifdef DIAGNOSTIC
3030 if (i > RADEON_TIMEOUT)
3031 printf("%s: engine flush timed out!\n", XNAME(sc));
3032 #endif
3033 }
3034
3035 static inline void
3036 radeonfb_unclip(struct radeonfb_softc *sc)
3037 {
3038
3039 radeonfb_wait_fifo(sc, 2);
3040 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3041 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3042 }
3043
3044 static void
3045 radeonfb_engine_init(struct radeonfb_display *dp)
3046 {
3047 struct radeonfb_softc *sc = dp->rd_softc;
3048 uint32_t pitch;
3049 volatile uint32_t junk;
3050
3051 /* no 3D */
3052 PUT32(sc, RADEON_RB3D_CNTL, 0);
3053
3054 radeonfb_engine_reset(sc);
3055 pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
3056
3057 radeonfb_wait_fifo(sc, 1);
3058 if (!IS_R300(sc))
3059 PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
3060
3061 radeonfb_wait_fifo(sc, 3);
3062 PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
3063 (pitch << 22) | (sc->sc_aperbase >> 10));
3064
3065
3066 PUT32(sc, RADEON_DST_PITCH_OFFSET,
3067 (pitch << 22) | (sc->sc_aperbase >> 10));
3068 PUT32(sc, RADEON_SRC_PITCH_OFFSET,
3069 (pitch << 22) | (sc->sc_aperbase >> 10));
3070
3071 radeonfb_wait_fifo(sc, 1);
3072 #if _BYTE_ORDER == _BIG_ENDIAN
3073 SET32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
3074 #else
3075 CLR32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
3076 #endif
3077 junk = GET32(sc, RADEON_DP_DATATYPE);
3078
3079 /* default scissors -- no clipping */
3080 radeonfb_wait_fifo(sc, 1);
3081 PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
3082 RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
3083
3084 radeonfb_wait_fifo(sc, 1);
3085 PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
3086 (dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
3087 RADEON_GMC_CLR_CMP_CNTL_DIS |
3088 RADEON_GMC_BRUSH_SOLID_COLOR |
3089 RADEON_GMC_SRC_DATATYPE_COLOR);
3090
3091 radeonfb_wait_fifo(sc, 10);
3092 PUT32(sc, RADEON_DST_LINE_START, 0);
3093 PUT32(sc, RADEON_DST_LINE_END, 0);
3094 PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
3095 PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
3096 PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
3097 PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
3098 PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
3099 PUT32(sc, RADEON_SC_TOP_LEFT, 0);
3100 PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
3101 PUT32(sc, RADEON_AUX_SC_CNTL, 0);
3102 radeonfb_engine_idle(sc);
3103 }
3104
3105 static void
3106 radeonfb_engine_reset(struct radeonfb_softc *sc)
3107 {
3108 uint32_t hpc, rbbm, mclkcntl, clkindex;
3109
3110 radeonfb_engine_flush(sc);
3111
3112 clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
3113 if (HAS_R300CG(sc))
3114 radeonfb_r300cg_workaround(sc);
3115 mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
3116
3117 /*
3118 * According to comments in XFree code, resetting the HDP via
3119 * the RBBM_SOFT_RESET can cause bad behavior on some systems.
3120 * So we use HOST_PATH_CNTL instead.
3121 */
3122
3123 hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
3124 rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
3125 if (IS_R300(sc)) {
3126 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3127 RADEON_SOFT_RESET_CP |
3128 RADEON_SOFT_RESET_HI |
3129 RADEON_SOFT_RESET_E2);
3130 GET32(sc, RADEON_RBBM_SOFT_RESET);
3131 PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
3132 /*
3133 * XXX: this bit is not defined in any ATI docs I have,
3134 * nor in the XFree code, but XFree does it. Why?
3135 */
3136 SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
3137 } else {
3138 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
3139 RADEON_SOFT_RESET_CP |
3140 RADEON_SOFT_RESET_SE |
3141 RADEON_SOFT_RESET_RE |
3142 RADEON_SOFT_RESET_PP |
3143 RADEON_SOFT_RESET_E2 |
3144 RADEON_SOFT_RESET_RB);
3145 GET32(sc, RADEON_RBBM_SOFT_RESET);
3146 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
3147 ~(RADEON_SOFT_RESET_CP |
3148 RADEON_SOFT_RESET_SE |
3149 RADEON_SOFT_RESET_RE |
3150 RADEON_SOFT_RESET_PP |
3151 RADEON_SOFT_RESET_E2 |
3152 RADEON_SOFT_RESET_RB));
3153 GET32(sc, RADEON_RBBM_SOFT_RESET);
3154 }
3155
3156 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
3157 GET32(sc, RADEON_HOST_PATH_CNTL);
3158 PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
3159
3160 if (IS_R300(sc))
3161 PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
3162
3163 PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
3164 PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
3165
3166 if (HAS_R300CG(sc))
3167 radeonfb_r300cg_workaround(sc);
3168 }
3169
3170 static int
3171 radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
3172 {
3173 int x, y;
3174
3175 x = pos->x;
3176 y = pos->y;
3177
3178 /*
3179 * This doesn't let a cursor move off the screen. I'm not
3180 * sure if this will have negative effects for e.g. Xinerama.
3181 * I'd guess Xinerama handles it by changing the cursor shape,
3182 * but that needs verification.
3183 */
3184 if (x >= dp->rd_virtx)
3185 x = dp->rd_virtx - 1;
3186 if (x < 0)
3187 x = 0;
3188 if (y >= dp->rd_virty)
3189 y = dp->rd_virty - 1;
3190 if (y < 0)
3191 y = 0;
3192
3193 dp->rd_cursor.rc_pos.x = x;
3194 dp->rd_cursor.rc_pos.y = y;
3195
3196 radeonfb_cursor_position(dp);
3197 return 0;
3198 }
3199
3200 static int
3201 radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
3202 {
3203 unsigned flags;
3204
3205 uint8_t r[2], g[2], b[2];
3206 unsigned index, count;
3207 int i, err;
3208 int pitch, size;
3209 struct radeonfb_cursor nc;
3210
3211 flags = wc->which;
3212
3213 /* copy old values */
3214 nc = dp->rd_cursor;
3215
3216 if (flags & WSDISPLAY_CURSOR_DOCMAP) {
3217 index = wc->cmap.index;
3218 count = wc->cmap.count;
3219
3220 if (index >= 2 || (index + count) > 2)
3221 return EINVAL;
3222
3223 err = copyin(wc->cmap.red, &r[index], count);
3224 if (err)
3225 return err;
3226 err = copyin(wc->cmap.green, &g[index], count);
3227 if (err)
3228 return err;
3229 err = copyin(wc->cmap.blue, &b[index], count);
3230 if (err)
3231 return err;
3232
3233 for (i = index; i < index + count; i++) {
3234 nc.rc_cmap[i] =
3235 (r[i] << 16) + (g[i] << 8) + (b[i] << 0);
3236 }
3237 }
3238
3239 if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
3240 if ((wc->size.x > RADEON_CURSORMAXX) ||
3241 (wc->size.y > RADEON_CURSORMAXY))
3242 return EINVAL;
3243
3244 /* figure bytes per line */
3245 pitch = (wc->size.x + 7) / 8;
3246 size = pitch * wc->size.y;
3247
3248 /* clear the old cursor and mask */
3249 memset(nc.rc_image, 0, 512);
3250 memset(nc.rc_mask, 0, 512);
3251
3252 nc.rc_size = wc->size;
3253
3254 if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
3255 return err;
3256
3257 if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
3258 return err;
3259 }
3260
3261 if (flags & WSDISPLAY_CURSOR_DOHOT) {
3262 nc.rc_hot = wc->hot;
3263 if (nc.rc_hot.x >= nc.rc_size.x)
3264 nc.rc_hot.x = nc.rc_size.x - 1;
3265 if (nc.rc_hot.y >= nc.rc_size.y)
3266 nc.rc_hot.y = nc.rc_size.y - 1;
3267 }
3268
3269 if (flags & WSDISPLAY_CURSOR_DOPOS) {
3270 nc.rc_pos = wc->pos;
3271 if (nc.rc_pos.x >= dp->rd_virtx)
3272 nc.rc_pos.x = dp->rd_virtx - 1;
3273 #if 0
3274 if (nc.rc_pos.x < 0)
3275 nc.rc_pos.x = 0;
3276 #endif
3277 if (nc.rc_pos.y >= dp->rd_virty)
3278 nc.rc_pos.y = dp->rd_virty - 1;
3279 #if 0
3280 if (nc.rc_pos.y < 0)
3281 nc.rc_pos.y = 0;
3282 #endif
3283 }
3284 if (flags & WSDISPLAY_CURSOR_DOCUR) {
3285 nc.rc_visible = wc->enable;
3286 }
3287
3288 dp->rd_cursor = nc;
3289 radeonfb_cursor_update(dp, wc->which);
3290
3291 return 0;
3292 }
3293
3294 /*
3295 * Change the cursor shape. Call this with the cursor locked to avoid
3296 * flickering/tearing.
3297 */
3298 static void
3299 radeonfb_cursor_shape(struct radeonfb_display *dp)
3300 {
3301 uint8_t and[512], xor[512];
3302 int i, j, src, dst, pitch;
3303 const uint8_t *msk = dp->rd_cursor.rc_mask;
3304 const uint8_t *img = dp->rd_cursor.rc_image;
3305
3306 /*
3307 * Radeon cursor data interleaves one line of AND data followed
3308 * by a line of XOR data. (Each line corresponds to a whole hardware
3309 * pitch - i.e. 64 pixels or 8 bytes.)
3310 *
3311 * The cursor is displayed using the following table:
3312 *
3313 * AND XOR Result
3314 * ----------------------
3315 * 0 0 Cursor color 0
3316 * 0 1 Cursor color 1
3317 * 1 0 Transparent
3318 * 1 1 Complement of background
3319 *
3320 * Our masks are therefore different from what we were passed.
3321 * Passed in, I'm assuming the data represents either color 0 or 1,
3322 * and a mask, so the passed in table looks like:
3323 *
3324 * IMG Mask Result
3325 * -----------------------
3326 * 0 0 Transparent
3327 * 0 1 Cursor color 0
3328 * 1 0 Transparent
3329 * 1 1 Cursor color 1
3330 *
3331 * IF mask bit == 1, AND = 0, XOR = color.
3332 * IF mask bit == 0, AND = 1, XOR = 0.
3333 *
3334 * hence: AND = ~(mask); XOR = color & ~(mask);
3335 */
3336
3337 pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
3338
3339 /* start by assuming all bits are transparent */
3340 memset(and, 0xff, 512);
3341 memset(xor, 0x00, 512);
3342
3343 src = 0;
3344 dst = 0;
3345 for (i = 0; i < 64; i++) {
3346 for (j = 0; j < 64; j += 8) {
3347 if ((i < dp->rd_cursor.rc_size.y) &&
3348 (j < dp->rd_cursor.rc_size.x)) {
3349
3350 /* take care to leave odd bits alone */
3351 and[dst] &= ~(msk[src]);
3352 xor[dst] = img[src] & msk[src];
3353 src++;
3354 }
3355 dst++;
3356 }
3357 }
3358
3359 /* copy the image into place */
3360 for (i = 0; i < 64; i++) {
3361 memcpy((uint8_t *)dp->rd_curptr + (i * 16),
3362 &and[i * 8], 8);
3363 memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
3364 &xor[i * 8], 8);
3365 }
3366 }
3367
3368 static void
3369 radeonfb_cursor_position(struct radeonfb_display *dp)
3370 {
3371 struct radeonfb_softc *sc = dp->rd_softc;
3372 uint32_t offset, hvoff, hvpos; /* registers */
3373 uint32_t coff; /* cursor offset */
3374 int i, x, y, xoff, yoff, crtcoff;
3375
3376 /*
3377 * XXX: this also needs to handle pan/scan
3378 */
3379 for (i = 0; i < dp->rd_ncrtcs; i++) {
3380
3381 struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
3382
3383 if (rcp->rc_number) {
3384 offset = RADEON_CUR2_OFFSET;
3385 hvoff = RADEON_CUR2_HORZ_VERT_OFF;
3386 hvpos = RADEON_CUR2_HORZ_VERT_POSN;
3387 crtcoff = RADEON_CRTC2_OFFSET;
3388 } else {
3389 offset = RADEON_CUR_OFFSET;
3390 hvoff = RADEON_CUR_HORZ_VERT_OFF;
3391 hvpos = RADEON_CUR_HORZ_VERT_POSN;
3392 crtcoff = RADEON_CRTC_OFFSET;
3393 }
3394
3395 x = dp->rd_cursor.rc_pos.x;
3396 y = dp->rd_cursor.rc_pos.y;
3397
3398 while (y < rcp->rc_yoffset) {
3399 rcp->rc_yoffset -= RADEON_PANINCREMENT;
3400 }
3401 while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
3402 rcp->rc_yoffset += RADEON_PANINCREMENT;
3403 }
3404 while (x < rcp->rc_xoffset) {
3405 rcp->rc_xoffset -= RADEON_PANINCREMENT;
3406 }
3407 while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
3408 rcp->rc_xoffset += RADEON_PANINCREMENT;
3409 }
3410
3411 /* adjust for the cursor's hotspot */
3412 x -= dp->rd_cursor.rc_hot.x;
3413 y -= dp->rd_cursor.rc_hot.y;
3414 xoff = yoff = 0;
3415
3416 if (x >= dp->rd_virtx)
3417 x = dp->rd_virtx - 1;
3418 if (y >= dp->rd_virty)
3419 y = dp->rd_virty - 1;
3420
3421 /* now adjust cursor so it is relative to viewport */
3422 x -= rcp->rc_xoffset;
3423 y -= rcp->rc_yoffset;
3424
3425 /*
3426 * no need to check for fall off, because we should
3427 * never move off the screen entirely!
3428 */
3429 coff = 0;
3430 if (x < 0) {
3431 xoff = -x;
3432 x = 0;
3433 }
3434 if (y < 0) {
3435 yoff = -y;
3436 y = 0;
3437 coff = (yoff * 2) * 8;
3438 }
3439
3440 /* pan the display */
3441 PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
3442 rcp->rc_xoffset);
3443
3444 PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
3445 PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
3446 /* NB: this unlocks the cursor */
3447 PUT32(sc, hvpos, (x << 16) | y);
3448 }
3449 }
3450
3451 static void
3452 radeonfb_cursor_visible(struct radeonfb_display *dp)
3453 {
3454 int i;
3455 uint32_t gencntl, bit;
3456
3457 for (i = 0; i < dp->rd_ncrtcs; i++) {
3458 if (dp->rd_crtcs[i].rc_number) {
3459 gencntl = RADEON_CRTC2_GEN_CNTL;
3460 bit = RADEON_CRTC2_CUR_EN;
3461 } else {
3462 gencntl = RADEON_CRTC_GEN_CNTL;
3463 bit = RADEON_CRTC_CUR_EN;
3464 }
3465
3466 if (dp->rd_cursor.rc_visible)
3467 SET32(dp->rd_softc, gencntl, bit);
3468 else
3469 CLR32(dp->rd_softc, gencntl, bit);
3470 }
3471 }
3472
3473 static void
3474 radeonfb_cursor_cmap(struct radeonfb_display *dp)
3475 {
3476 int i;
3477 uint32_t c0reg, c1reg;
3478 struct radeonfb_softc *sc = dp->rd_softc;
3479
3480 for (i = 0; i < dp->rd_ncrtcs; i++) {
3481 if (dp->rd_crtcs[i].rc_number) {
3482 c0reg = RADEON_CUR2_CLR0;
3483 c1reg = RADEON_CUR2_CLR1;
3484 } else {
3485 c0reg = RADEON_CUR_CLR0;
3486 c1reg = RADEON_CUR_CLR1;
3487 }
3488
3489 PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
3490 PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
3491 }
3492 }
3493
3494 static void
3495 radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
3496 {
3497 struct radeonfb_softc *sc;
3498 int i;
3499
3500 sc = dp->rd_softc;
3501 for (i = 0; i < dp->rd_ncrtcs; i++) {
3502 if (dp->rd_crtcs[i].rc_number) {
3503 SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
3504 } else {
3505 SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
3506 }
3507 }
3508
3509 if (which & WSDISPLAY_CURSOR_DOCMAP)
3510 radeonfb_cursor_cmap(dp);
3511
3512 if (which & WSDISPLAY_CURSOR_DOSHAPE)
3513 radeonfb_cursor_shape(dp);
3514
3515 if (which & WSDISPLAY_CURSOR_DOCUR)
3516 radeonfb_cursor_visible(dp);
3517
3518 /* this one is unconditional, because it updates other stuff */
3519 radeonfb_cursor_position(dp);
3520 }
3521
3522 static struct videomode *
3523 radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
3524 {
3525 int r1, r2;
3526
3527 /* otherwise pick the higher refresh rate */
3528 r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
3529 r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
3530
3531 return (r1 < r2 ? m2 : m1);
3532 }
3533
3534 static const struct videomode *
3535 radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
3536 int x, int y)
3537 {
3538 struct edid_info *ep = &rp->rp_edid;
3539 struct videomode *vmp = NULL;
3540 int i;
3541
3542 if (!rp->rp_edid_valid) {
3543 /* fallback to safe mode */
3544 return radeonfb_modelookup(sc->sc_defaultmode);
3545 }
3546
3547 /* always choose the preferred mode first! */
3548 if (ep->edid_preferred_mode) {
3549
3550 /* XXX: add auto-stretching support for native mode */
3551
3552 /* this may want panning to occur, btw */
3553 if ((ep->edid_preferred_mode->hdisplay <= x) &&
3554 (ep->edid_preferred_mode->vdisplay <= y))
3555 return ep->edid_preferred_mode;
3556 }
3557
3558 for (i = 0; i < ep->edid_nmodes; i++) {
3559 /*
3560 * We elect to pick a resolution that is too large for
3561 * the monitor than one that is too small. This means
3562 * that we will prefer to pan rather than to try to
3563 * center a smaller display on a larger screen. In
3564 * practice, this shouldn't matter because if a
3565 * monitor can support a larger resolution, it can
3566 * probably also support the smaller. A specific
3567 * exception is fixed format panels, but hopefully
3568 * they are properly dealt with by the "autostretch"
3569 * logic above.
3570 */
3571 if ((ep->edid_modes[i].hdisplay > x) ||
3572 (ep->edid_modes[i].vdisplay > y)) {
3573 continue;
3574 }
3575
3576 /*
3577 * at this point, the display mode is no larger than
3578 * what we've requested.
3579 */
3580 if (vmp == NULL)
3581 vmp = &ep->edid_modes[i];
3582
3583 /* eliminate smaller modes */
3584 if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
3585 (vmp->vdisplay >= ep->edid_modes[i].vdisplay))
3586 continue;
3587
3588 if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
3589 (vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
3590 vmp = &ep->edid_modes[i];
3591 continue;
3592 }
3593
3594 KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
3595 KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
3596
3597 vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
3598 }
3599
3600 return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
3601 }
3602
3603 static int
3604 radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
3605 {
3606 int i;
3607
3608 for (i = 0; i < nlist; i++) {
3609 if ((x == list[i].hdisplay) &&
3610 (y == list[i].vdisplay)) {
3611 return 1;
3612 }
3613 }
3614 return 0;
3615 }
3616
3617 static void
3618 radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
3619 int pan)
3620 {
3621 struct radeonfb_port *rp;
3622 struct edid_info *ep;
3623 int i, j;
3624
3625 *x = 0;
3626 *y = 0;
3627
3628 if (pan) {
3629 for (i = 0; i < dp->rd_ncrtcs; i++) {
3630 rp = dp->rd_crtcs[i].rc_port;
3631 ep = &rp->rp_edid;
3632 if (!rp->rp_edid_valid) {
3633 /* monitor not present */
3634 continue;
3635 }
3636
3637 /*
3638 * For now we are ignoring "conflict" that
3639 * could occur when mixing some modes like
3640 * 1280x1024 and 1400x800. It isn't clear
3641 * which is better, so the first one wins.
3642 */
3643 for (j = 0; j < ep->edid_nmodes; j++) {
3644 /*
3645 * ignore resolutions that are too big for
3646 * the radeon
3647 */
3648 if (ep->edid_modes[j].hdisplay >
3649 dp->rd_softc->sc_maxx)
3650 continue;
3651 if (ep->edid_modes[j].vdisplay >
3652 dp->rd_softc->sc_maxy)
3653 continue;
3654
3655 /*
3656 * pick largest resolution, the
3657 * smaller monitor will pan
3658 */
3659 if ((ep->edid_modes[j].hdisplay >= *x) &&
3660 (ep->edid_modes[j].vdisplay >= *y)) {
3661 *x = ep->edid_modes[j].hdisplay;
3662 *y = ep->edid_modes[j].vdisplay;
3663 }
3664 }
3665 }
3666
3667 } else {
3668 struct videomode modes[64];
3669 int nmodes = 0;
3670 int valid = 0;
3671
3672 for (i = 0; i < dp->rd_ncrtcs; i++) {
3673 /*
3674 * pick the largest resolution in common.
3675 */
3676 rp = dp->rd_crtcs[i].rc_port;
3677 ep = &rp->rp_edid;
3678
3679 if (!rp->rp_edid_valid)
3680 continue;
3681
3682 if (!valid) {
3683 /*
3684 * Pick the preferred mode for this port
3685 * if available.
3686 */
3687 if (ep->edid_preferred_mode) {
3688 struct videomode *vmp =
3689 ep->edid_preferred_mode;
3690
3691 if ((vmp->hdisplay <=
3692 dp->rd_softc->sc_maxx) &&
3693 (vmp->vdisplay <=
3694 dp->rd_softc->sc_maxy))
3695 modes[nmodes++] = *vmp;
3696 } else {
3697
3698 /* initialize starting list */
3699 for (j = 0; j < ep->edid_nmodes; j++) {
3700 /*
3701 * ignore resolutions that are
3702 * too big for the radeon
3703 */
3704 if (ep->edid_modes[j].hdisplay >
3705 dp->rd_softc->sc_maxx)
3706 continue;
3707 if (ep->edid_modes[j].vdisplay >
3708 dp->rd_softc->sc_maxy)
3709 continue;
3710
3711 modes[nmodes] =
3712 ep->edid_modes[j];
3713 nmodes++;
3714 }
3715 }
3716 valid = 1;
3717 } else {
3718 /* merge into preexisting list */
3719 for (j = 0; j < nmodes; j++) {
3720 if (!radeonfb_hasres(ep->edid_modes,
3721 ep->edid_nmodes,
3722 modes[j].hdisplay,
3723 modes[j].vdisplay)) {
3724 modes[j] = modes[nmodes];
3725 j--;
3726 nmodes--;
3727 }
3728 }
3729 }
3730 }
3731
3732 /* now we have to pick from the merged list */
3733 for (i = 0; i < nmodes; i++) {
3734 if ((modes[i].hdisplay >= *x) &&
3735 (modes[i].vdisplay >= *y)) {
3736 *x = modes[i].hdisplay;
3737 *y = modes[i].vdisplay;
3738 }
3739 }
3740 }
3741
3742 if ((*x == 0) || (*y == 0)) {
3743 /* fallback to safe mode */
3744 *x = 640;
3745 *y = 480;
3746 }
3747 }
3748
3749 /*
3750 * backlight levels are linear on:
3751 * - RV200, RV250, RV280, RV350
3752 * - but NOT on PowerBook4,3 6,3 6,5
3753 * according to Linux' radeonfb
3754 */
3755
3756 /* Get the current backlight level for the display. */
3757
3758 static int
3759 radeonfb_get_backlight(struct radeonfb_display *dp)
3760 {
3761 int s;
3762 uint32_t level;
3763
3764 s = spltty();
3765
3766 level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
3767 level &= RADEON_LVDS_BL_MOD_LEV_MASK;
3768 level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
3769
3770 /*
3771 * On some chips, we should negate the backlight level.
3772 * XXX Find out on which chips.
3773 */
3774 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
3775 level = RADEONFB_BACKLIGHT_MAX - level;
3776
3777 splx(s);
3778
3779 return level;
3780 }
3781
3782 /* Set the backlight to the given level for the display. */
3783
3784 static int
3785 radeonfb_set_backlight(struct radeonfb_display *dp, int level)
3786 {
3787 struct radeonfb_softc *sc;
3788 int rlevel, s;
3789 uint32_t lvds;
3790
3791 s = spltty();
3792
3793 if (level < 0)
3794 level = 0;
3795 else if (level >= RADEONFB_BACKLIGHT_MAX)
3796 level = RADEONFB_BACKLIGHT_MAX;
3797
3798 sc = dp->rd_softc;
3799
3800 /* On some chips, we should negate the backlight level. */
3801 if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
3802 rlevel = RADEONFB_BACKLIGHT_MAX - level;
3803 } else
3804 rlevel = level;
3805
3806 callout_stop(&dp->rd_bl_lvds_co);
3807 radeonfb_engine_idle(sc);
3808
3809 /*
3810 * Turn off the display if the backlight is set to 0, since the
3811 * display is useless without backlight anyway.
3812 */
3813 if (level == 0)
3814 radeonfb_blank(dp, 1);
3815 else if (radeonfb_get_backlight(dp) == 0)
3816 radeonfb_blank(dp, 0);
3817
3818 lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
3819 lvds &= ~RADEON_LVDS_DISPLAY_DIS;
3820 if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
3821 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
3822 lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
3823 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3824 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3825 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3826 lvds |= RADEON_LVDS_ON;
3827 lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
3828 } else {
3829 lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
3830 lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
3831 radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
3832 }
3833
3834 dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
3835 dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
3836 /* XXX What is the correct delay? */
3837 callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
3838
3839 splx(s);
3840
3841 return 0;
3842 }
3843
3844 /*
3845 * Callout function for delayed operations on the LVDS_GEN_CNTL register.
3846 * Set the delayed bits in the register, and clear the stored delayed
3847 * value.
3848 */
3849
3850 static void radeonfb_lvds_callout(void *arg)
3851 {
3852 struct radeonfb_display *dp = arg;
3853 int s;
3854
3855 s = splhigh();
3856
3857 radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
3858 dp->rd_bl_lvds_val);
3859 dp->rd_bl_lvds_val = 0;
3860
3861 splx(s);
3862 }
3863
3864 static void
3865 radeonfb_brightness_up(device_t dev)
3866 {
3867 struct radeonfb_softc *sc = device_private(dev);
3868 int level;
3869
3870 /* we assume the main display is the first one - need a better way */
3871 if (sc->sc_ndisplays < 1) return;
3872 level = radeonfb_get_backlight(&sc->sc_displays[0]);
3873 level = min(RADEONFB_BACKLIGHT_MAX, level + 5);
3874 radeonfb_set_backlight(&sc->sc_displays[0], level);
3875 }
3876
3877 static void
3878 radeonfb_brightness_down(device_t dev)
3879 {
3880 struct radeonfb_softc *sc = device_private(dev);
3881 int level;
3882
3883 /* we assume the main display is the first one - need a better way */
3884 if (sc->sc_ndisplays < 1) return;
3885 level = radeonfb_get_backlight(&sc->sc_displays[0]);
3886 level = max(0, level - 5);
3887 radeonfb_set_backlight(&sc->sc_displays[0], level);
3888 }
3889