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6ee73861 BS |
1 | /* |
2 | * Copyright (C) 2008 Maarten Maathuis. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining | |
6 | * a copy of this software and associated documentation files (the | |
7 | * "Software"), to deal in the Software without restriction, including | |
8 | * without limitation the rights to use, copy, modify, merge, publish, | |
9 | * distribute, sublicense, and/or sell copies of the Software, and to | |
10 | * permit persons to whom the Software is furnished to do so, subject to | |
11 | * the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice (including the | |
14 | * next paragraph) shall be included in all copies or substantial | |
15 | * portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE | |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
24 | * | |
25 | */ | |
26 | ||
27 | #include "drmP.h" | |
28 | #include "drm_edid.h" | |
29 | #include "drm_crtc_helper.h" | |
30 | #include "nouveau_reg.h" | |
31 | #include "nouveau_drv.h" | |
32 | #include "nouveau_encoder.h" | |
33 | #include "nouveau_crtc.h" | |
34 | #include "nouveau_connector.h" | |
35 | #include "nouveau_hw.h" | |
36 | ||
37 | static inline struct drm_encoder_slave_funcs * | |
38 | get_slave_funcs(struct nouveau_encoder *enc) | |
39 | { | |
40 | return to_encoder_slave(to_drm_encoder(enc))->slave_funcs; | |
41 | } | |
42 | ||
43 | static struct nouveau_encoder * | |
44 | find_encoder_by_type(struct drm_connector *connector, int type) | |
45 | { | |
46 | struct drm_device *dev = connector->dev; | |
47 | struct nouveau_encoder *nv_encoder; | |
48 | struct drm_mode_object *obj; | |
49 | int i, id; | |
50 | ||
51 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
52 | id = connector->encoder_ids[i]; | |
53 | if (!id) | |
54 | break; | |
55 | ||
56 | obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); | |
57 | if (!obj) | |
58 | continue; | |
59 | nv_encoder = nouveau_encoder(obj_to_encoder(obj)); | |
60 | ||
61 | if (type == OUTPUT_ANY || nv_encoder->dcb->type == type) | |
62 | return nv_encoder; | |
63 | } | |
64 | ||
65 | return NULL; | |
66 | } | |
67 | ||
68 | struct nouveau_connector * | |
69 | nouveau_encoder_connector_get(struct nouveau_encoder *encoder) | |
70 | { | |
71 | struct drm_device *dev = to_drm_encoder(encoder)->dev; | |
72 | struct drm_connector *drm_connector; | |
73 | ||
74 | list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { | |
75 | if (drm_connector->encoder == to_drm_encoder(encoder)) | |
76 | return nouveau_connector(drm_connector); | |
77 | } | |
78 | ||
79 | return NULL; | |
80 | } | |
81 | ||
82 | ||
83 | static void | |
84 | nouveau_connector_destroy(struct drm_connector *drm_connector) | |
85 | { | |
86 | struct nouveau_connector *connector = nouveau_connector(drm_connector); | |
87 | struct drm_device *dev = connector->base.dev; | |
88 | ||
ef2bb506 | 89 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
90 | |
91 | if (!connector) | |
92 | return; | |
93 | ||
94 | drm_sysfs_connector_remove(drm_connector); | |
95 | drm_connector_cleanup(drm_connector); | |
96 | kfree(drm_connector); | |
97 | } | |
98 | ||
99 | static void | |
100 | nouveau_connector_ddc_prepare(struct drm_connector *connector, int *flags) | |
101 | { | |
102 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
103 | ||
104 | if (dev_priv->card_type >= NV_50) | |
105 | return; | |
106 | ||
107 | *flags = 0; | |
108 | if (NVLockVgaCrtcs(dev_priv->dev, false)) | |
109 | *flags |= 1; | |
110 | if (nv_heads_tied(dev_priv->dev)) | |
111 | *flags |= 2; | |
112 | ||
113 | if (*flags & 2) | |
114 | NVSetOwner(dev_priv->dev, 0); /* necessary? */ | |
115 | } | |
116 | ||
117 | static void | |
118 | nouveau_connector_ddc_finish(struct drm_connector *connector, int flags) | |
119 | { | |
120 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
121 | ||
122 | if (dev_priv->card_type >= NV_50) | |
123 | return; | |
124 | ||
125 | if (flags & 2) | |
126 | NVSetOwner(dev_priv->dev, 4); | |
127 | if (flags & 1) | |
128 | NVLockVgaCrtcs(dev_priv->dev, true); | |
129 | } | |
130 | ||
131 | static struct nouveau_i2c_chan * | |
132 | nouveau_connector_ddc_detect(struct drm_connector *connector, | |
133 | struct nouveau_encoder **pnv_encoder) | |
134 | { | |
135 | struct drm_device *dev = connector->dev; | |
136 | uint8_t out_buf[] = { 0x0, 0x0}, buf[2]; | |
137 | int ret, flags, i; | |
138 | ||
139 | struct i2c_msg msgs[] = { | |
140 | { | |
141 | .addr = 0x50, | |
142 | .flags = 0, | |
143 | .len = 1, | |
144 | .buf = out_buf, | |
145 | }, | |
146 | { | |
147 | .addr = 0x50, | |
148 | .flags = I2C_M_RD, | |
149 | .len = 1, | |
150 | .buf = buf, | |
151 | } | |
152 | }; | |
153 | ||
154 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
155 | struct nouveau_i2c_chan *i2c = NULL; | |
156 | struct nouveau_encoder *nv_encoder; | |
157 | struct drm_mode_object *obj; | |
158 | int id; | |
159 | ||
160 | id = connector->encoder_ids[i]; | |
161 | if (!id) | |
162 | break; | |
163 | ||
164 | obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); | |
165 | if (!obj) | |
166 | continue; | |
167 | nv_encoder = nouveau_encoder(obj_to_encoder(obj)); | |
168 | ||
169 | if (nv_encoder->dcb->i2c_index < 0xf) | |
170 | i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); | |
171 | if (!i2c) | |
172 | continue; | |
173 | ||
174 | nouveau_connector_ddc_prepare(connector, &flags); | |
175 | ret = i2c_transfer(&i2c->adapter, msgs, 2); | |
176 | nouveau_connector_ddc_finish(connector, flags); | |
177 | ||
178 | if (ret == 2) { | |
179 | *pnv_encoder = nv_encoder; | |
180 | return i2c; | |
181 | } | |
182 | } | |
183 | ||
184 | return NULL; | |
185 | } | |
186 | ||
187 | static void | |
188 | nouveau_connector_set_encoder(struct drm_connector *connector, | |
189 | struct nouveau_encoder *nv_encoder) | |
190 | { | |
191 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
192 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
193 | struct drm_device *dev = connector->dev; | |
194 | ||
195 | if (nv_connector->detected_encoder == nv_encoder) | |
196 | return; | |
197 | nv_connector->detected_encoder = nv_encoder; | |
198 | ||
199 | if (nv_encoder->dcb->type == OUTPUT_LVDS || | |
200 | nv_encoder->dcb->type == OUTPUT_TMDS) { | |
201 | connector->doublescan_allowed = false; | |
202 | connector->interlace_allowed = false; | |
203 | } else { | |
204 | connector->doublescan_allowed = true; | |
205 | if (dev_priv->card_type == NV_20 || | |
206 | (dev_priv->card_type == NV_10 && | |
207 | (dev->pci_device & 0x0ff0) != 0x0100 && | |
208 | (dev->pci_device & 0x0ff0) != 0x0150)) | |
209 | /* HW is broken */ | |
210 | connector->interlace_allowed = false; | |
211 | else | |
212 | connector->interlace_allowed = true; | |
213 | } | |
214 | ||
215 | if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) { | |
216 | drm_connector_property_set_value(connector, | |
217 | dev->mode_config.dvi_i_subconnector_property, | |
218 | nv_encoder->dcb->type == OUTPUT_TMDS ? | |
219 | DRM_MODE_SUBCONNECTOR_DVID : | |
220 | DRM_MODE_SUBCONNECTOR_DVIA); | |
221 | } | |
222 | } | |
223 | ||
224 | static enum drm_connector_status | |
225 | nouveau_connector_detect(struct drm_connector *connector) | |
226 | { | |
227 | struct drm_device *dev = connector->dev; | |
228 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
229 | struct nouveau_encoder *nv_encoder = NULL; | |
230 | struct nouveau_i2c_chan *i2c; | |
231 | int type, flags; | |
232 | ||
233 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) | |
234 | nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); | |
235 | if (nv_encoder && nv_connector->native_mode) { | |
236 | nouveau_connector_set_encoder(connector, nv_encoder); | |
237 | return connector_status_connected; | |
238 | } | |
239 | ||
240 | i2c = nouveau_connector_ddc_detect(connector, &nv_encoder); | |
241 | if (i2c) { | |
242 | nouveau_connector_ddc_prepare(connector, &flags); | |
243 | nv_connector->edid = drm_get_edid(connector, &i2c->adapter); | |
244 | nouveau_connector_ddc_finish(connector, flags); | |
245 | drm_mode_connector_update_edid_property(connector, | |
246 | nv_connector->edid); | |
247 | if (!nv_connector->edid) { | |
248 | NV_ERROR(dev, "DDC responded, but no EDID for %s\n", | |
249 | drm_get_connector_name(connector)); | |
250 | return connector_status_disconnected; | |
251 | } | |
252 | ||
253 | if (nv_encoder->dcb->type == OUTPUT_DP && | |
254 | !nouveau_dp_detect(to_drm_encoder(nv_encoder))) { | |
255 | NV_ERROR(dev, "Detected %s, but failed init\n", | |
256 | drm_get_connector_name(connector)); | |
257 | return connector_status_disconnected; | |
258 | } | |
259 | ||
260 | /* Override encoder type for DVI-I based on whether EDID | |
261 | * says the display is digital or analog, both use the | |
262 | * same i2c channel so the value returned from ddc_detect | |
263 | * isn't necessarily correct. | |
264 | */ | |
265 | if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) { | |
266 | if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) | |
267 | type = OUTPUT_TMDS; | |
268 | else | |
269 | type = OUTPUT_ANALOG; | |
270 | ||
271 | nv_encoder = find_encoder_by_type(connector, type); | |
272 | if (!nv_encoder) { | |
273 | NV_ERROR(dev, "Detected %d encoder on %s, " | |
274 | "but no object!\n", type, | |
275 | drm_get_connector_name(connector)); | |
276 | return connector_status_disconnected; | |
277 | } | |
278 | } | |
279 | ||
280 | nouveau_connector_set_encoder(connector, nv_encoder); | |
281 | return connector_status_connected; | |
282 | } | |
283 | ||
284 | nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG); | |
285 | if (!nv_encoder) | |
286 | nv_encoder = find_encoder_by_type(connector, OUTPUT_TV); | |
287 | if (nv_encoder) { | |
288 | struct drm_encoder *encoder = to_drm_encoder(nv_encoder); | |
289 | struct drm_encoder_helper_funcs *helper = | |
290 | encoder->helper_private; | |
291 | ||
292 | if (helper->detect(encoder, connector) == | |
293 | connector_status_connected) { | |
294 | nouveau_connector_set_encoder(connector, nv_encoder); | |
295 | return connector_status_connected; | |
296 | } | |
297 | ||
298 | } | |
299 | ||
300 | return connector_status_disconnected; | |
301 | } | |
302 | ||
303 | static void | |
304 | nouveau_connector_force(struct drm_connector *connector) | |
305 | { | |
306 | struct drm_device *dev = connector->dev; | |
307 | struct nouveau_encoder *nv_encoder; | |
308 | int type; | |
309 | ||
310 | if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) { | |
311 | if (connector->force == DRM_FORCE_ON_DIGITAL) | |
312 | type = OUTPUT_TMDS; | |
313 | else | |
314 | type = OUTPUT_ANALOG; | |
315 | } else | |
316 | type = OUTPUT_ANY; | |
317 | ||
318 | nv_encoder = find_encoder_by_type(connector, type); | |
319 | if (!nv_encoder) { | |
320 | NV_ERROR(dev, "can't find encoder to force %s on!\n", | |
321 | drm_get_connector_name(connector)); | |
322 | connector->status = connector_status_disconnected; | |
323 | return; | |
324 | } | |
325 | ||
326 | nouveau_connector_set_encoder(connector, nv_encoder); | |
327 | } | |
328 | ||
329 | static int | |
330 | nouveau_connector_set_property(struct drm_connector *connector, | |
331 | struct drm_property *property, uint64_t value) | |
332 | { | |
333 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
334 | struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; | |
335 | struct drm_device *dev = connector->dev; | |
336 | int ret; | |
337 | ||
338 | /* Scaling mode */ | |
339 | if (property == dev->mode_config.scaling_mode_property) { | |
340 | struct nouveau_crtc *nv_crtc = NULL; | |
341 | bool modeset = false; | |
342 | ||
343 | switch (value) { | |
344 | case DRM_MODE_SCALE_NONE: | |
345 | case DRM_MODE_SCALE_FULLSCREEN: | |
346 | case DRM_MODE_SCALE_CENTER: | |
347 | case DRM_MODE_SCALE_ASPECT: | |
348 | break; | |
349 | default: | |
350 | return -EINVAL; | |
351 | } | |
352 | ||
353 | /* LVDS always needs gpu scaling */ | |
354 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && | |
355 | value == DRM_MODE_SCALE_NONE) | |
356 | return -EINVAL; | |
357 | ||
358 | /* Changing between GPU and panel scaling requires a full | |
359 | * modeset | |
360 | */ | |
361 | if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) || | |
362 | (value == DRM_MODE_SCALE_NONE)) | |
363 | modeset = true; | |
364 | nv_connector->scaling_mode = value; | |
365 | ||
366 | if (connector->encoder && connector->encoder->crtc) | |
367 | nv_crtc = nouveau_crtc(connector->encoder->crtc); | |
368 | if (!nv_crtc) | |
369 | return 0; | |
370 | ||
371 | if (modeset || !nv_crtc->set_scale) { | |
372 | ret = drm_crtc_helper_set_mode(&nv_crtc->base, | |
373 | &nv_crtc->base.mode, | |
374 | nv_crtc->base.x, | |
375 | nv_crtc->base.y, NULL); | |
376 | if (!ret) | |
377 | return -EINVAL; | |
378 | } else { | |
379 | ret = nv_crtc->set_scale(nv_crtc, value, true); | |
380 | if (ret) | |
381 | return ret; | |
382 | } | |
383 | ||
384 | return 0; | |
385 | } | |
386 | ||
387 | /* Dithering */ | |
388 | if (property == dev->mode_config.dithering_mode_property) { | |
389 | struct nouveau_crtc *nv_crtc = NULL; | |
390 | ||
391 | if (value == DRM_MODE_DITHERING_ON) | |
392 | nv_connector->use_dithering = true; | |
393 | else | |
394 | nv_connector->use_dithering = false; | |
395 | ||
396 | if (connector->encoder && connector->encoder->crtc) | |
397 | nv_crtc = nouveau_crtc(connector->encoder->crtc); | |
398 | ||
399 | if (!nv_crtc || !nv_crtc->set_dither) | |
400 | return 0; | |
401 | ||
402 | return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, | |
403 | true); | |
404 | } | |
405 | ||
406 | if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV) | |
407 | return get_slave_funcs(nv_encoder)-> | |
408 | set_property(to_drm_encoder(nv_encoder), connector, property, value); | |
409 | ||
410 | return -EINVAL; | |
411 | } | |
412 | ||
413 | static struct drm_display_mode * | |
414 | nouveau_connector_native_mode(struct nouveau_connector *connector) | |
415 | { | |
416 | struct drm_device *dev = connector->base.dev; | |
417 | struct drm_display_mode *mode, *largest = NULL; | |
418 | int high_w = 0, high_h = 0, high_v = 0; | |
419 | ||
420 | /* Use preferred mode if there is one.. */ | |
421 | list_for_each_entry(mode, &connector->base.probed_modes, head) { | |
422 | if (mode->type & DRM_MODE_TYPE_PREFERRED) { | |
ef2bb506 | 423 | NV_DEBUG_KMS(dev, "native mode from preferred\n"); |
6ee73861 BS |
424 | return drm_mode_duplicate(dev, mode); |
425 | } | |
426 | } | |
427 | ||
428 | /* Otherwise, take the resolution with the largest width, then height, | |
429 | * then vertical refresh | |
430 | */ | |
431 | list_for_each_entry(mode, &connector->base.probed_modes, head) { | |
432 | if (mode->hdisplay < high_w) | |
433 | continue; | |
434 | ||
435 | if (mode->hdisplay == high_w && mode->vdisplay < high_h) | |
436 | continue; | |
437 | ||
438 | if (mode->hdisplay == high_w && mode->vdisplay == high_h && | |
439 | mode->vrefresh < high_v) | |
440 | continue; | |
441 | ||
442 | high_w = mode->hdisplay; | |
443 | high_h = mode->vdisplay; | |
444 | high_v = mode->vrefresh; | |
445 | largest = mode; | |
446 | } | |
447 | ||
ef2bb506 | 448 | NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n", |
6ee73861 BS |
449 | high_w, high_h, high_v); |
450 | return largest ? drm_mode_duplicate(dev, largest) : NULL; | |
451 | } | |
452 | ||
453 | struct moderec { | |
454 | int hdisplay; | |
455 | int vdisplay; | |
456 | }; | |
457 | ||
458 | static struct moderec scaler_modes[] = { | |
459 | { 1920, 1200 }, | |
460 | { 1920, 1080 }, | |
461 | { 1680, 1050 }, | |
462 | { 1600, 1200 }, | |
463 | { 1400, 1050 }, | |
464 | { 1280, 1024 }, | |
465 | { 1280, 960 }, | |
466 | { 1152, 864 }, | |
467 | { 1024, 768 }, | |
468 | { 800, 600 }, | |
469 | { 720, 400 }, | |
470 | { 640, 480 }, | |
471 | { 640, 400 }, | |
472 | { 640, 350 }, | |
473 | {} | |
474 | }; | |
475 | ||
476 | static int | |
477 | nouveau_connector_scaler_modes_add(struct drm_connector *connector) | |
478 | { | |
479 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
480 | struct drm_display_mode *native = nv_connector->native_mode, *m; | |
481 | struct drm_device *dev = connector->dev; | |
482 | struct moderec *mode = &scaler_modes[0]; | |
483 | int modes = 0; | |
484 | ||
485 | if (!native) | |
486 | return 0; | |
487 | ||
488 | while (mode->hdisplay) { | |
489 | if (mode->hdisplay <= native->hdisplay && | |
490 | mode->vdisplay <= native->vdisplay) { | |
491 | m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, | |
492 | drm_mode_vrefresh(native), false, | |
493 | false, false); | |
494 | if (!m) | |
495 | continue; | |
496 | ||
497 | m->type |= DRM_MODE_TYPE_DRIVER; | |
498 | ||
499 | drm_mode_probed_add(connector, m); | |
500 | modes++; | |
501 | } | |
502 | ||
503 | mode++; | |
504 | } | |
505 | ||
506 | return modes; | |
507 | } | |
508 | ||
509 | static int | |
510 | nouveau_connector_get_modes(struct drm_connector *connector) | |
511 | { | |
512 | struct drm_device *dev = connector->dev; | |
513 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
514 | struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; | |
515 | int ret = 0; | |
516 | ||
517 | /* If we're not LVDS, destroy the previous native mode, the attached | |
518 | * monitor could have changed. | |
519 | */ | |
520 | if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS && | |
521 | nv_connector->native_mode) { | |
522 | drm_mode_destroy(dev, nv_connector->native_mode); | |
523 | nv_connector->native_mode = NULL; | |
524 | } | |
525 | ||
526 | if (nv_connector->edid) | |
527 | ret = drm_add_edid_modes(connector, nv_connector->edid); | |
528 | ||
529 | /* Find the native mode if this is a digital panel, if we didn't | |
530 | * find any modes through DDC previously add the native mode to | |
531 | * the list of modes. | |
532 | */ | |
533 | if (!nv_connector->native_mode) | |
534 | nv_connector->native_mode = | |
535 | nouveau_connector_native_mode(nv_connector); | |
536 | if (ret == 0 && nv_connector->native_mode) { | |
537 | struct drm_display_mode *mode; | |
538 | ||
539 | mode = drm_mode_duplicate(dev, nv_connector->native_mode); | |
540 | drm_mode_probed_add(connector, mode); | |
541 | ret = 1; | |
542 | } | |
543 | ||
544 | if (nv_encoder->dcb->type == OUTPUT_TV) | |
545 | ret = get_slave_funcs(nv_encoder)-> | |
546 | get_modes(to_drm_encoder(nv_encoder), connector); | |
547 | ||
548 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) | |
549 | ret += nouveau_connector_scaler_modes_add(connector); | |
550 | ||
551 | return ret; | |
552 | } | |
553 | ||
554 | static int | |
555 | nouveau_connector_mode_valid(struct drm_connector *connector, | |
556 | struct drm_display_mode *mode) | |
557 | { | |
558 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
559 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
560 | struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; | |
561 | unsigned min_clock = 25000, max_clock = min_clock; | |
562 | unsigned clock = mode->clock; | |
563 | ||
564 | switch (nv_encoder->dcb->type) { | |
565 | case OUTPUT_LVDS: | |
566 | BUG_ON(!nv_connector->native_mode); | |
567 | if (mode->hdisplay > nv_connector->native_mode->hdisplay || | |
568 | mode->vdisplay > nv_connector->native_mode->vdisplay) | |
569 | return MODE_PANEL; | |
570 | ||
571 | min_clock = 0; | |
572 | max_clock = 400000; | |
573 | break; | |
574 | case OUTPUT_TMDS: | |
575 | if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) || | |
576 | (dev_priv->card_type < NV_50 && | |
577 | !nv_encoder->dcb->duallink_possible)) | |
578 | max_clock = 165000; | |
579 | else | |
580 | max_clock = 330000; | |
581 | break; | |
582 | case OUTPUT_ANALOG: | |
583 | max_clock = nv_encoder->dcb->crtconf.maxfreq; | |
584 | if (!max_clock) | |
585 | max_clock = 350000; | |
586 | break; | |
587 | case OUTPUT_TV: | |
588 | return get_slave_funcs(nv_encoder)-> | |
589 | mode_valid(to_drm_encoder(nv_encoder), mode); | |
590 | case OUTPUT_DP: | |
591 | if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7) | |
592 | max_clock = nv_encoder->dp.link_nr * 270000; | |
593 | else | |
594 | max_clock = nv_encoder->dp.link_nr * 162000; | |
595 | ||
596 | clock *= 3; | |
597 | break; | |
598 | } | |
599 | ||
600 | if (clock < min_clock) | |
601 | return MODE_CLOCK_LOW; | |
602 | ||
603 | if (clock > max_clock) | |
604 | return MODE_CLOCK_HIGH; | |
605 | ||
606 | return MODE_OK; | |
607 | } | |
608 | ||
609 | static struct drm_encoder * | |
610 | nouveau_connector_best_encoder(struct drm_connector *connector) | |
611 | { | |
612 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
613 | ||
614 | if (nv_connector->detected_encoder) | |
615 | return to_drm_encoder(nv_connector->detected_encoder); | |
616 | ||
617 | return NULL; | |
618 | } | |
619 | ||
620 | static const struct drm_connector_helper_funcs | |
621 | nouveau_connector_helper_funcs = { | |
622 | .get_modes = nouveau_connector_get_modes, | |
623 | .mode_valid = nouveau_connector_mode_valid, | |
624 | .best_encoder = nouveau_connector_best_encoder, | |
625 | }; | |
626 | ||
627 | static const struct drm_connector_funcs | |
628 | nouveau_connector_funcs = { | |
629 | .dpms = drm_helper_connector_dpms, | |
630 | .save = NULL, | |
631 | .restore = NULL, | |
632 | .detect = nouveau_connector_detect, | |
633 | .destroy = nouveau_connector_destroy, | |
634 | .fill_modes = drm_helper_probe_single_connector_modes, | |
635 | .set_property = nouveau_connector_set_property, | |
636 | .force = nouveau_connector_force | |
637 | }; | |
638 | ||
639 | static int | |
640 | nouveau_connector_create_lvds(struct drm_device *dev, | |
641 | struct drm_connector *connector) | |
642 | { | |
643 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
644 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
645 | struct nouveau_i2c_chan *i2c = NULL; | |
646 | struct nouveau_encoder *nv_encoder; | |
647 | struct drm_display_mode native, *mode, *temp; | |
648 | bool dummy, if_is_24bit = false; | |
649 | int ret, flags; | |
650 | ||
651 | nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); | |
652 | if (!nv_encoder) | |
653 | return -ENODEV; | |
654 | ||
655 | ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &if_is_24bit); | |
656 | if (ret) { | |
657 | NV_ERROR(dev, "Error parsing LVDS table, disabling LVDS\n"); | |
658 | return ret; | |
659 | } | |
660 | nv_connector->use_dithering = !if_is_24bit; | |
661 | ||
662 | /* Firstly try getting EDID over DDC, if allowed and I2C channel | |
663 | * is available. | |
664 | */ | |
665 | if (!dev_priv->VBIOS.pub.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf) | |
666 | i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); | |
667 | ||
668 | if (i2c) { | |
669 | nouveau_connector_ddc_prepare(connector, &flags); | |
670 | nv_connector->edid = drm_get_edid(connector, &i2c->adapter); | |
671 | nouveau_connector_ddc_finish(connector, flags); | |
672 | } | |
673 | ||
674 | /* If no EDID found above, and the VBIOS indicates a hardcoded | |
675 | * modeline is avalilable for the panel, set it as the panel's | |
676 | * native mode and exit. | |
677 | */ | |
678 | if (!nv_connector->edid && nouveau_bios_fp_mode(dev, &native) && | |
679 | (nv_encoder->dcb->lvdsconf.use_straps_for_mode || | |
680 | dev_priv->VBIOS.pub.fp_no_ddc)) { | |
681 | nv_connector->native_mode = drm_mode_duplicate(dev, &native); | |
682 | goto out; | |
683 | } | |
684 | ||
685 | /* Still nothing, some VBIOS images have a hardcoded EDID block | |
686 | * stored for the panel stored in them. | |
687 | */ | |
688 | if (!nv_connector->edid && !nv_connector->native_mode && | |
689 | !dev_priv->VBIOS.pub.fp_no_ddc) { | |
690 | nv_connector->edid = | |
691 | (struct edid *)nouveau_bios_embedded_edid(dev); | |
692 | } | |
693 | ||
694 | if (!nv_connector->edid) | |
695 | goto out; | |
696 | ||
697 | /* We didn't find/use a panel mode from the VBIOS, so parse the EDID | |
698 | * block and look for the preferred mode there. | |
699 | */ | |
700 | ret = drm_add_edid_modes(connector, nv_connector->edid); | |
701 | if (ret == 0) | |
702 | goto out; | |
703 | nv_connector->detected_encoder = nv_encoder; | |
704 | nv_connector->native_mode = nouveau_connector_native_mode(nv_connector); | |
705 | list_for_each_entry_safe(mode, temp, &connector->probed_modes, head) | |
706 | drm_mode_remove(connector, mode); | |
707 | ||
708 | out: | |
709 | if (!nv_connector->native_mode) { | |
710 | NV_ERROR(dev, "LVDS present in DCB table, but couldn't " | |
711 | "determine its native mode. Disabling.\n"); | |
712 | return -ENODEV; | |
713 | } | |
714 | ||
715 | drm_mode_connector_update_edid_property(connector, nv_connector->edid); | |
716 | return 0; | |
717 | } | |
718 | ||
719 | int | |
720 | nouveau_connector_create(struct drm_device *dev, int index, int type) | |
721 | { | |
722 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
723 | struct nouveau_connector *nv_connector = NULL; | |
724 | struct drm_connector *connector; | |
725 | struct drm_encoder *encoder; | |
726 | int ret; | |
727 | ||
ef2bb506 | 728 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
729 | |
730 | nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); | |
731 | if (!nv_connector) | |
732 | return -ENOMEM; | |
733 | nv_connector->dcb = nouveau_bios_connector_entry(dev, index); | |
734 | connector = &nv_connector->base; | |
735 | ||
736 | switch (type) { | |
737 | case DRM_MODE_CONNECTOR_VGA: | |
738 | NV_INFO(dev, "Detected a VGA connector\n"); | |
739 | break; | |
740 | case DRM_MODE_CONNECTOR_DVID: | |
741 | NV_INFO(dev, "Detected a DVI-D connector\n"); | |
742 | break; | |
743 | case DRM_MODE_CONNECTOR_DVII: | |
744 | NV_INFO(dev, "Detected a DVI-I connector\n"); | |
745 | break; | |
746 | case DRM_MODE_CONNECTOR_LVDS: | |
747 | NV_INFO(dev, "Detected a LVDS connector\n"); | |
748 | break; | |
749 | case DRM_MODE_CONNECTOR_TV: | |
750 | NV_INFO(dev, "Detected a TV connector\n"); | |
751 | break; | |
752 | case DRM_MODE_CONNECTOR_DisplayPort: | |
753 | NV_INFO(dev, "Detected a DisplayPort connector\n"); | |
754 | break; | |
755 | default: | |
756 | NV_ERROR(dev, "Unknown connector, this is not good.\n"); | |
757 | break; | |
758 | } | |
759 | ||
760 | /* defaults, will get overridden in detect() */ | |
761 | connector->interlace_allowed = false; | |
762 | connector->doublescan_allowed = false; | |
763 | ||
764 | drm_connector_init(dev, connector, &nouveau_connector_funcs, type); | |
765 | drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); | |
766 | ||
767 | /* Init DVI-I specific properties */ | |
768 | if (type == DRM_MODE_CONNECTOR_DVII) { | |
769 | drm_mode_create_dvi_i_properties(dev); | |
770 | drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0); | |
771 | drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0); | |
772 | } | |
773 | ||
774 | if (type != DRM_MODE_CONNECTOR_LVDS) | |
775 | nv_connector->use_dithering = false; | |
776 | ||
777 | if (type == DRM_MODE_CONNECTOR_DVID || | |
778 | type == DRM_MODE_CONNECTOR_DVII || | |
779 | type == DRM_MODE_CONNECTOR_LVDS || | |
780 | type == DRM_MODE_CONNECTOR_DisplayPort) { | |
781 | nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; | |
782 | ||
783 | drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, | |
784 | nv_connector->scaling_mode); | |
785 | drm_connector_attach_property(connector, dev->mode_config.dithering_mode_property, | |
786 | nv_connector->use_dithering ? DRM_MODE_DITHERING_ON | |
787 | : DRM_MODE_DITHERING_OFF); | |
788 | ||
789 | } else { | |
790 | nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; | |
791 | ||
792 | if (type == DRM_MODE_CONNECTOR_VGA && | |
793 | dev_priv->card_type >= NV_50) { | |
794 | drm_connector_attach_property(connector, | |
795 | dev->mode_config.scaling_mode_property, | |
796 | nv_connector->scaling_mode); | |
797 | } | |
798 | } | |
799 | ||
800 | /* attach encoders */ | |
801 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
802 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
803 | ||
804 | if (nv_encoder->dcb->connector != index) | |
805 | continue; | |
806 | ||
807 | if (get_slave_funcs(nv_encoder)) | |
808 | get_slave_funcs(nv_encoder)->create_resources(encoder, connector); | |
809 | ||
810 | drm_mode_connector_attach_encoder(connector, encoder); | |
811 | } | |
812 | ||
813 | drm_sysfs_connector_add(connector); | |
814 | ||
815 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { | |
816 | ret = nouveau_connector_create_lvds(dev, connector); | |
817 | if (ret) { | |
818 | connector->funcs->destroy(connector); | |
819 | return ret; | |
820 | } | |
821 | } | |
822 | ||
823 | return 0; | |
824 | } |