]>
Commit | Line | Data |
---|---|---|
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 | ||
a1470890 BS |
27 | #include <acpi/button.h> |
28 | ||
6ee73861 BS |
29 | #include "drmP.h" |
30 | #include "drm_edid.h" | |
31 | #include "drm_crtc_helper.h" | |
a1470890 | 32 | |
6ee73861 BS |
33 | #include "nouveau_reg.h" |
34 | #include "nouveau_drv.h" | |
35 | #include "nouveau_encoder.h" | |
36 | #include "nouveau_crtc.h" | |
37 | #include "nouveau_connector.h" | |
38 | #include "nouveau_hw.h" | |
39 | ||
40 | static inline struct drm_encoder_slave_funcs * | |
41 | get_slave_funcs(struct nouveau_encoder *enc) | |
42 | { | |
43 | return to_encoder_slave(to_drm_encoder(enc))->slave_funcs; | |
44 | } | |
45 | ||
46 | static struct nouveau_encoder * | |
47 | find_encoder_by_type(struct drm_connector *connector, int type) | |
48 | { | |
49 | struct drm_device *dev = connector->dev; | |
50 | struct nouveau_encoder *nv_encoder; | |
51 | struct drm_mode_object *obj; | |
52 | int i, id; | |
53 | ||
54 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
55 | id = connector->encoder_ids[i]; | |
56 | if (!id) | |
57 | break; | |
58 | ||
59 | obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); | |
60 | if (!obj) | |
61 | continue; | |
62 | nv_encoder = nouveau_encoder(obj_to_encoder(obj)); | |
63 | ||
64 | if (type == OUTPUT_ANY || nv_encoder->dcb->type == type) | |
65 | return nv_encoder; | |
66 | } | |
67 | ||
68 | return NULL; | |
69 | } | |
70 | ||
71 | struct nouveau_connector * | |
72 | nouveau_encoder_connector_get(struct nouveau_encoder *encoder) | |
73 | { | |
74 | struct drm_device *dev = to_drm_encoder(encoder)->dev; | |
75 | struct drm_connector *drm_connector; | |
76 | ||
77 | list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { | |
78 | if (drm_connector->encoder == to_drm_encoder(encoder)) | |
79 | return nouveau_connector(drm_connector); | |
80 | } | |
81 | ||
82 | return NULL; | |
83 | } | |
84 | ||
85 | ||
86 | static void | |
87 | nouveau_connector_destroy(struct drm_connector *drm_connector) | |
88 | { | |
c8ebe275 XC |
89 | struct nouveau_connector *nv_connector = |
90 | nouveau_connector(drm_connector); | |
91 | struct drm_device *dev = nv_connector->base.dev; | |
6ee73861 | 92 | |
ef2bb506 | 93 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 | 94 | |
c8ebe275 | 95 | if (!nv_connector) |
6ee73861 BS |
96 | return; |
97 | ||
c8ebe275 | 98 | kfree(nv_connector->edid); |
6ee73861 BS |
99 | drm_sysfs_connector_remove(drm_connector); |
100 | drm_connector_cleanup(drm_connector); | |
101 | kfree(drm_connector); | |
102 | } | |
103 | ||
104 | static void | |
105 | nouveau_connector_ddc_prepare(struct drm_connector *connector, int *flags) | |
106 | { | |
107 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
108 | ||
109 | if (dev_priv->card_type >= NV_50) | |
110 | return; | |
111 | ||
112 | *flags = 0; | |
113 | if (NVLockVgaCrtcs(dev_priv->dev, false)) | |
114 | *flags |= 1; | |
115 | if (nv_heads_tied(dev_priv->dev)) | |
116 | *flags |= 2; | |
117 | ||
118 | if (*flags & 2) | |
119 | NVSetOwner(dev_priv->dev, 0); /* necessary? */ | |
120 | } | |
121 | ||
122 | static void | |
123 | nouveau_connector_ddc_finish(struct drm_connector *connector, int flags) | |
124 | { | |
125 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
126 | ||
127 | if (dev_priv->card_type >= NV_50) | |
128 | return; | |
129 | ||
130 | if (flags & 2) | |
131 | NVSetOwner(dev_priv->dev, 4); | |
132 | if (flags & 1) | |
133 | NVLockVgaCrtcs(dev_priv->dev, true); | |
134 | } | |
135 | ||
136 | static struct nouveau_i2c_chan * | |
137 | nouveau_connector_ddc_detect(struct drm_connector *connector, | |
138 | struct nouveau_encoder **pnv_encoder) | |
139 | { | |
140 | struct drm_device *dev = connector->dev; | |
141 | uint8_t out_buf[] = { 0x0, 0x0}, buf[2]; | |
142 | int ret, flags, i; | |
143 | ||
144 | struct i2c_msg msgs[] = { | |
145 | { | |
146 | .addr = 0x50, | |
147 | .flags = 0, | |
148 | .len = 1, | |
149 | .buf = out_buf, | |
150 | }, | |
151 | { | |
152 | .addr = 0x50, | |
153 | .flags = I2C_M_RD, | |
154 | .len = 1, | |
155 | .buf = buf, | |
156 | } | |
157 | }; | |
158 | ||
159 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
160 | struct nouveau_i2c_chan *i2c = NULL; | |
161 | struct nouveau_encoder *nv_encoder; | |
162 | struct drm_mode_object *obj; | |
163 | int id; | |
164 | ||
165 | id = connector->encoder_ids[i]; | |
166 | if (!id) | |
167 | break; | |
168 | ||
169 | obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); | |
170 | if (!obj) | |
171 | continue; | |
172 | nv_encoder = nouveau_encoder(obj_to_encoder(obj)); | |
173 | ||
174 | if (nv_encoder->dcb->i2c_index < 0xf) | |
175 | i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); | |
176 | if (!i2c) | |
177 | continue; | |
178 | ||
179 | nouveau_connector_ddc_prepare(connector, &flags); | |
180 | ret = i2c_transfer(&i2c->adapter, msgs, 2); | |
181 | nouveau_connector_ddc_finish(connector, flags); | |
182 | ||
183 | if (ret == 2) { | |
184 | *pnv_encoder = nv_encoder; | |
185 | return i2c; | |
186 | } | |
187 | } | |
188 | ||
189 | return NULL; | |
190 | } | |
191 | ||
192 | static void | |
193 | nouveau_connector_set_encoder(struct drm_connector *connector, | |
194 | struct nouveau_encoder *nv_encoder) | |
195 | { | |
196 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
197 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
198 | struct drm_device *dev = connector->dev; | |
199 | ||
200 | if (nv_connector->detected_encoder == nv_encoder) | |
201 | return; | |
202 | nv_connector->detected_encoder = nv_encoder; | |
203 | ||
204 | if (nv_encoder->dcb->type == OUTPUT_LVDS || | |
205 | nv_encoder->dcb->type == OUTPUT_TMDS) { | |
206 | connector->doublescan_allowed = false; | |
207 | connector->interlace_allowed = false; | |
208 | } else { | |
209 | connector->doublescan_allowed = true; | |
210 | if (dev_priv->card_type == NV_20 || | |
211 | (dev_priv->card_type == NV_10 && | |
212 | (dev->pci_device & 0x0ff0) != 0x0100 && | |
213 | (dev->pci_device & 0x0ff0) != 0x0150)) | |
214 | /* HW is broken */ | |
215 | connector->interlace_allowed = false; | |
216 | else | |
217 | connector->interlace_allowed = true; | |
218 | } | |
219 | ||
220 | if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) { | |
221 | drm_connector_property_set_value(connector, | |
222 | dev->mode_config.dvi_i_subconnector_property, | |
223 | nv_encoder->dcb->type == OUTPUT_TMDS ? | |
224 | DRM_MODE_SUBCONNECTOR_DVID : | |
225 | DRM_MODE_SUBCONNECTOR_DVIA); | |
226 | } | |
227 | } | |
228 | ||
229 | static enum drm_connector_status | |
230 | nouveau_connector_detect(struct drm_connector *connector) | |
231 | { | |
232 | struct drm_device *dev = connector->dev; | |
233 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
234 | struct nouveau_encoder *nv_encoder = NULL; | |
235 | struct nouveau_i2c_chan *i2c; | |
236 | int type, flags; | |
237 | ||
238 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) | |
239 | nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); | |
240 | if (nv_encoder && nv_connector->native_mode) { | |
a1470890 BS |
241 | #ifdef CONFIG_ACPI |
242 | if (!nouveau_ignorelid && !acpi_lid_open()) | |
243 | return connector_status_disconnected; | |
244 | #endif | |
6ee73861 BS |
245 | nouveau_connector_set_encoder(connector, nv_encoder); |
246 | return connector_status_connected; | |
247 | } | |
248 | ||
b8780e2a FJ |
249 | /* Cleanup the previous EDID block. */ |
250 | if (nv_connector->edid) { | |
251 | drm_mode_connector_update_edid_property(connector, NULL); | |
252 | kfree(nv_connector->edid); | |
253 | nv_connector->edid = NULL; | |
254 | } | |
c8ebe275 | 255 | |
6ee73861 BS |
256 | i2c = nouveau_connector_ddc_detect(connector, &nv_encoder); |
257 | if (i2c) { | |
258 | nouveau_connector_ddc_prepare(connector, &flags); | |
259 | nv_connector->edid = drm_get_edid(connector, &i2c->adapter); | |
260 | nouveau_connector_ddc_finish(connector, flags); | |
261 | drm_mode_connector_update_edid_property(connector, | |
262 | nv_connector->edid); | |
263 | if (!nv_connector->edid) { | |
264 | NV_ERROR(dev, "DDC responded, but no EDID for %s\n", | |
265 | drm_get_connector_name(connector)); | |
0ed3165e | 266 | goto detect_analog; |
6ee73861 BS |
267 | } |
268 | ||
269 | if (nv_encoder->dcb->type == OUTPUT_DP && | |
270 | !nouveau_dp_detect(to_drm_encoder(nv_encoder))) { | |
271 | NV_ERROR(dev, "Detected %s, but failed init\n", | |
272 | drm_get_connector_name(connector)); | |
273 | return connector_status_disconnected; | |
274 | } | |
275 | ||
276 | /* Override encoder type for DVI-I based on whether EDID | |
277 | * says the display is digital or analog, both use the | |
278 | * same i2c channel so the value returned from ddc_detect | |
279 | * isn't necessarily correct. | |
280 | */ | |
281 | if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) { | |
282 | if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) | |
283 | type = OUTPUT_TMDS; | |
284 | else | |
285 | type = OUTPUT_ANALOG; | |
286 | ||
287 | nv_encoder = find_encoder_by_type(connector, type); | |
288 | if (!nv_encoder) { | |
289 | NV_ERROR(dev, "Detected %d encoder on %s, " | |
290 | "but no object!\n", type, | |
291 | drm_get_connector_name(connector)); | |
292 | return connector_status_disconnected; | |
293 | } | |
294 | } | |
295 | ||
296 | nouveau_connector_set_encoder(connector, nv_encoder); | |
297 | return connector_status_connected; | |
298 | } | |
299 | ||
0ed3165e | 300 | detect_analog: |
6ee73861 BS |
301 | nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG); |
302 | if (!nv_encoder) | |
303 | nv_encoder = find_encoder_by_type(connector, OUTPUT_TV); | |
304 | if (nv_encoder) { | |
305 | struct drm_encoder *encoder = to_drm_encoder(nv_encoder); | |
306 | struct drm_encoder_helper_funcs *helper = | |
307 | encoder->helper_private; | |
308 | ||
309 | if (helper->detect(encoder, connector) == | |
310 | connector_status_connected) { | |
311 | nouveau_connector_set_encoder(connector, nv_encoder); | |
312 | return connector_status_connected; | |
313 | } | |
314 | ||
315 | } | |
316 | ||
317 | return connector_status_disconnected; | |
318 | } | |
319 | ||
320 | static void | |
321 | nouveau_connector_force(struct drm_connector *connector) | |
322 | { | |
323 | struct drm_device *dev = connector->dev; | |
324 | struct nouveau_encoder *nv_encoder; | |
325 | int type; | |
326 | ||
327 | if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) { | |
328 | if (connector->force == DRM_FORCE_ON_DIGITAL) | |
329 | type = OUTPUT_TMDS; | |
330 | else | |
331 | type = OUTPUT_ANALOG; | |
332 | } else | |
333 | type = OUTPUT_ANY; | |
334 | ||
335 | nv_encoder = find_encoder_by_type(connector, type); | |
336 | if (!nv_encoder) { | |
337 | NV_ERROR(dev, "can't find encoder to force %s on!\n", | |
338 | drm_get_connector_name(connector)); | |
339 | connector->status = connector_status_disconnected; | |
340 | return; | |
341 | } | |
342 | ||
343 | nouveau_connector_set_encoder(connector, nv_encoder); | |
344 | } | |
345 | ||
346 | static int | |
347 | nouveau_connector_set_property(struct drm_connector *connector, | |
348 | struct drm_property *property, uint64_t value) | |
349 | { | |
350 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
351 | struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; | |
352 | struct drm_device *dev = connector->dev; | |
353 | int ret; | |
354 | ||
355 | /* Scaling mode */ | |
356 | if (property == dev->mode_config.scaling_mode_property) { | |
357 | struct nouveau_crtc *nv_crtc = NULL; | |
358 | bool modeset = false; | |
359 | ||
360 | switch (value) { | |
361 | case DRM_MODE_SCALE_NONE: | |
362 | case DRM_MODE_SCALE_FULLSCREEN: | |
363 | case DRM_MODE_SCALE_CENTER: | |
364 | case DRM_MODE_SCALE_ASPECT: | |
365 | break; | |
366 | default: | |
367 | return -EINVAL; | |
368 | } | |
369 | ||
370 | /* LVDS always needs gpu scaling */ | |
371 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && | |
372 | value == DRM_MODE_SCALE_NONE) | |
373 | return -EINVAL; | |
374 | ||
375 | /* Changing between GPU and panel scaling requires a full | |
376 | * modeset | |
377 | */ | |
378 | if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) || | |
379 | (value == DRM_MODE_SCALE_NONE)) | |
380 | modeset = true; | |
381 | nv_connector->scaling_mode = value; | |
382 | ||
383 | if (connector->encoder && connector->encoder->crtc) | |
384 | nv_crtc = nouveau_crtc(connector->encoder->crtc); | |
385 | if (!nv_crtc) | |
386 | return 0; | |
387 | ||
388 | if (modeset || !nv_crtc->set_scale) { | |
389 | ret = drm_crtc_helper_set_mode(&nv_crtc->base, | |
390 | &nv_crtc->base.mode, | |
391 | nv_crtc->base.x, | |
392 | nv_crtc->base.y, NULL); | |
393 | if (!ret) | |
394 | return -EINVAL; | |
395 | } else { | |
396 | ret = nv_crtc->set_scale(nv_crtc, value, true); | |
397 | if (ret) | |
398 | return ret; | |
399 | } | |
400 | ||
401 | return 0; | |
402 | } | |
403 | ||
404 | /* Dithering */ | |
405 | if (property == dev->mode_config.dithering_mode_property) { | |
406 | struct nouveau_crtc *nv_crtc = NULL; | |
407 | ||
408 | if (value == DRM_MODE_DITHERING_ON) | |
409 | nv_connector->use_dithering = true; | |
410 | else | |
411 | nv_connector->use_dithering = false; | |
412 | ||
413 | if (connector->encoder && connector->encoder->crtc) | |
414 | nv_crtc = nouveau_crtc(connector->encoder->crtc); | |
415 | ||
416 | if (!nv_crtc || !nv_crtc->set_dither) | |
417 | return 0; | |
418 | ||
419 | return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, | |
420 | true); | |
421 | } | |
422 | ||
423 | if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV) | |
424 | return get_slave_funcs(nv_encoder)-> | |
425 | set_property(to_drm_encoder(nv_encoder), connector, property, value); | |
426 | ||
427 | return -EINVAL; | |
428 | } | |
429 | ||
430 | static struct drm_display_mode * | |
431 | nouveau_connector_native_mode(struct nouveau_connector *connector) | |
432 | { | |
433 | struct drm_device *dev = connector->base.dev; | |
434 | struct drm_display_mode *mode, *largest = NULL; | |
435 | int high_w = 0, high_h = 0, high_v = 0; | |
436 | ||
437 | /* Use preferred mode if there is one.. */ | |
438 | list_for_each_entry(mode, &connector->base.probed_modes, head) { | |
439 | if (mode->type & DRM_MODE_TYPE_PREFERRED) { | |
ef2bb506 | 440 | NV_DEBUG_KMS(dev, "native mode from preferred\n"); |
6ee73861 BS |
441 | return drm_mode_duplicate(dev, mode); |
442 | } | |
443 | } | |
444 | ||
445 | /* Otherwise, take the resolution with the largest width, then height, | |
446 | * then vertical refresh | |
447 | */ | |
448 | list_for_each_entry(mode, &connector->base.probed_modes, head) { | |
449 | if (mode->hdisplay < high_w) | |
450 | continue; | |
451 | ||
452 | if (mode->hdisplay == high_w && mode->vdisplay < high_h) | |
453 | continue; | |
454 | ||
455 | if (mode->hdisplay == high_w && mode->vdisplay == high_h && | |
456 | mode->vrefresh < high_v) | |
457 | continue; | |
458 | ||
459 | high_w = mode->hdisplay; | |
460 | high_h = mode->vdisplay; | |
461 | high_v = mode->vrefresh; | |
462 | largest = mode; | |
463 | } | |
464 | ||
ef2bb506 | 465 | NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n", |
6ee73861 BS |
466 | high_w, high_h, high_v); |
467 | return largest ? drm_mode_duplicate(dev, largest) : NULL; | |
468 | } | |
469 | ||
470 | struct moderec { | |
471 | int hdisplay; | |
472 | int vdisplay; | |
473 | }; | |
474 | ||
475 | static struct moderec scaler_modes[] = { | |
476 | { 1920, 1200 }, | |
477 | { 1920, 1080 }, | |
478 | { 1680, 1050 }, | |
479 | { 1600, 1200 }, | |
480 | { 1400, 1050 }, | |
481 | { 1280, 1024 }, | |
482 | { 1280, 960 }, | |
483 | { 1152, 864 }, | |
484 | { 1024, 768 }, | |
485 | { 800, 600 }, | |
486 | { 720, 400 }, | |
487 | { 640, 480 }, | |
488 | { 640, 400 }, | |
489 | { 640, 350 }, | |
490 | {} | |
491 | }; | |
492 | ||
493 | static int | |
494 | nouveau_connector_scaler_modes_add(struct drm_connector *connector) | |
495 | { | |
496 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
497 | struct drm_display_mode *native = nv_connector->native_mode, *m; | |
498 | struct drm_device *dev = connector->dev; | |
499 | struct moderec *mode = &scaler_modes[0]; | |
500 | int modes = 0; | |
501 | ||
502 | if (!native) | |
503 | return 0; | |
504 | ||
505 | while (mode->hdisplay) { | |
506 | if (mode->hdisplay <= native->hdisplay && | |
507 | mode->vdisplay <= native->vdisplay) { | |
508 | m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, | |
509 | drm_mode_vrefresh(native), false, | |
510 | false, false); | |
511 | if (!m) | |
512 | continue; | |
513 | ||
514 | m->type |= DRM_MODE_TYPE_DRIVER; | |
515 | ||
516 | drm_mode_probed_add(connector, m); | |
517 | modes++; | |
518 | } | |
519 | ||
520 | mode++; | |
521 | } | |
522 | ||
523 | return modes; | |
524 | } | |
525 | ||
526 | static int | |
527 | nouveau_connector_get_modes(struct drm_connector *connector) | |
528 | { | |
529 | struct drm_device *dev = connector->dev; | |
530 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
531 | struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; | |
532 | int ret = 0; | |
533 | ||
534 | /* If we're not LVDS, destroy the previous native mode, the attached | |
535 | * monitor could have changed. | |
536 | */ | |
537 | if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS && | |
538 | nv_connector->native_mode) { | |
539 | drm_mode_destroy(dev, nv_connector->native_mode); | |
540 | nv_connector->native_mode = NULL; | |
541 | } | |
542 | ||
543 | if (nv_connector->edid) | |
544 | ret = drm_add_edid_modes(connector, nv_connector->edid); | |
545 | ||
546 | /* Find the native mode if this is a digital panel, if we didn't | |
547 | * find any modes through DDC previously add the native mode to | |
548 | * the list of modes. | |
549 | */ | |
550 | if (!nv_connector->native_mode) | |
551 | nv_connector->native_mode = | |
552 | nouveau_connector_native_mode(nv_connector); | |
553 | if (ret == 0 && nv_connector->native_mode) { | |
554 | struct drm_display_mode *mode; | |
555 | ||
556 | mode = drm_mode_duplicate(dev, nv_connector->native_mode); | |
557 | drm_mode_probed_add(connector, mode); | |
558 | ret = 1; | |
559 | } | |
560 | ||
561 | if (nv_encoder->dcb->type == OUTPUT_TV) | |
562 | ret = get_slave_funcs(nv_encoder)-> | |
563 | get_modes(to_drm_encoder(nv_encoder), connector); | |
564 | ||
565 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) | |
566 | ret += nouveau_connector_scaler_modes_add(connector); | |
567 | ||
568 | return ret; | |
569 | } | |
570 | ||
571 | static int | |
572 | nouveau_connector_mode_valid(struct drm_connector *connector, | |
573 | struct drm_display_mode *mode) | |
574 | { | |
575 | struct drm_nouveau_private *dev_priv = connector->dev->dev_private; | |
576 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
577 | struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; | |
578 | unsigned min_clock = 25000, max_clock = min_clock; | |
579 | unsigned clock = mode->clock; | |
580 | ||
581 | switch (nv_encoder->dcb->type) { | |
582 | case OUTPUT_LVDS: | |
583 | BUG_ON(!nv_connector->native_mode); | |
584 | if (mode->hdisplay > nv_connector->native_mode->hdisplay || | |
585 | mode->vdisplay > nv_connector->native_mode->vdisplay) | |
586 | return MODE_PANEL; | |
587 | ||
588 | min_clock = 0; | |
589 | max_clock = 400000; | |
590 | break; | |
591 | case OUTPUT_TMDS: | |
592 | if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) || | |
593 | (dev_priv->card_type < NV_50 && | |
594 | !nv_encoder->dcb->duallink_possible)) | |
595 | max_clock = 165000; | |
596 | else | |
597 | max_clock = 330000; | |
598 | break; | |
599 | case OUTPUT_ANALOG: | |
600 | max_clock = nv_encoder->dcb->crtconf.maxfreq; | |
601 | if (!max_clock) | |
602 | max_clock = 350000; | |
603 | break; | |
604 | case OUTPUT_TV: | |
605 | return get_slave_funcs(nv_encoder)-> | |
606 | mode_valid(to_drm_encoder(nv_encoder), mode); | |
607 | case OUTPUT_DP: | |
608 | if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7) | |
609 | max_clock = nv_encoder->dp.link_nr * 270000; | |
610 | else | |
611 | max_clock = nv_encoder->dp.link_nr * 162000; | |
612 | ||
613 | clock *= 3; | |
614 | break; | |
615 | } | |
616 | ||
617 | if (clock < min_clock) | |
618 | return MODE_CLOCK_LOW; | |
619 | ||
620 | if (clock > max_clock) | |
621 | return MODE_CLOCK_HIGH; | |
622 | ||
623 | return MODE_OK; | |
624 | } | |
625 | ||
626 | static struct drm_encoder * | |
627 | nouveau_connector_best_encoder(struct drm_connector *connector) | |
628 | { | |
629 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
630 | ||
631 | if (nv_connector->detected_encoder) | |
632 | return to_drm_encoder(nv_connector->detected_encoder); | |
633 | ||
634 | return NULL; | |
635 | } | |
636 | ||
637 | static const struct drm_connector_helper_funcs | |
638 | nouveau_connector_helper_funcs = { | |
639 | .get_modes = nouveau_connector_get_modes, | |
640 | .mode_valid = nouveau_connector_mode_valid, | |
641 | .best_encoder = nouveau_connector_best_encoder, | |
642 | }; | |
643 | ||
644 | static const struct drm_connector_funcs | |
645 | nouveau_connector_funcs = { | |
646 | .dpms = drm_helper_connector_dpms, | |
647 | .save = NULL, | |
648 | .restore = NULL, | |
649 | .detect = nouveau_connector_detect, | |
650 | .destroy = nouveau_connector_destroy, | |
651 | .fill_modes = drm_helper_probe_single_connector_modes, | |
652 | .set_property = nouveau_connector_set_property, | |
653 | .force = nouveau_connector_force | |
654 | }; | |
655 | ||
656 | static int | |
657 | nouveau_connector_create_lvds(struct drm_device *dev, | |
658 | struct drm_connector *connector) | |
659 | { | |
660 | struct nouveau_connector *nv_connector = nouveau_connector(connector); | |
661 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
662 | struct nouveau_i2c_chan *i2c = NULL; | |
663 | struct nouveau_encoder *nv_encoder; | |
664 | struct drm_display_mode native, *mode, *temp; | |
665 | bool dummy, if_is_24bit = false; | |
666 | int ret, flags; | |
667 | ||
668 | nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); | |
669 | if (!nv_encoder) | |
670 | return -ENODEV; | |
671 | ||
672 | ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &if_is_24bit); | |
673 | if (ret) { | |
674 | NV_ERROR(dev, "Error parsing LVDS table, disabling LVDS\n"); | |
675 | return ret; | |
676 | } | |
677 | nv_connector->use_dithering = !if_is_24bit; | |
678 | ||
679 | /* Firstly try getting EDID over DDC, if allowed and I2C channel | |
680 | * is available. | |
681 | */ | |
682 | if (!dev_priv->VBIOS.pub.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf) | |
683 | i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); | |
684 | ||
685 | if (i2c) { | |
686 | nouveau_connector_ddc_prepare(connector, &flags); | |
687 | nv_connector->edid = drm_get_edid(connector, &i2c->adapter); | |
688 | nouveau_connector_ddc_finish(connector, flags); | |
689 | } | |
690 | ||
691 | /* If no EDID found above, and the VBIOS indicates a hardcoded | |
692 | * modeline is avalilable for the panel, set it as the panel's | |
693 | * native mode and exit. | |
694 | */ | |
695 | if (!nv_connector->edid && nouveau_bios_fp_mode(dev, &native) && | |
696 | (nv_encoder->dcb->lvdsconf.use_straps_for_mode || | |
697 | dev_priv->VBIOS.pub.fp_no_ddc)) { | |
698 | nv_connector->native_mode = drm_mode_duplicate(dev, &native); | |
699 | goto out; | |
700 | } | |
701 | ||
702 | /* Still nothing, some VBIOS images have a hardcoded EDID block | |
703 | * stored for the panel stored in them. | |
704 | */ | |
705 | if (!nv_connector->edid && !nv_connector->native_mode && | |
706 | !dev_priv->VBIOS.pub.fp_no_ddc) { | |
c8ebe275 | 707 | struct edid *edid = |
6ee73861 | 708 | (struct edid *)nouveau_bios_embedded_edid(dev); |
c8ebe275 XC |
709 | if (edid) { |
710 | nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL); | |
711 | *(nv_connector->edid) = *edid; | |
712 | } | |
6ee73861 BS |
713 | } |
714 | ||
715 | if (!nv_connector->edid) | |
716 | goto out; | |
717 | ||
718 | /* We didn't find/use a panel mode from the VBIOS, so parse the EDID | |
719 | * block and look for the preferred mode there. | |
720 | */ | |
721 | ret = drm_add_edid_modes(connector, nv_connector->edid); | |
722 | if (ret == 0) | |
723 | goto out; | |
724 | nv_connector->detected_encoder = nv_encoder; | |
725 | nv_connector->native_mode = nouveau_connector_native_mode(nv_connector); | |
726 | list_for_each_entry_safe(mode, temp, &connector->probed_modes, head) | |
727 | drm_mode_remove(connector, mode); | |
728 | ||
729 | out: | |
730 | if (!nv_connector->native_mode) { | |
731 | NV_ERROR(dev, "LVDS present in DCB table, but couldn't " | |
732 | "determine its native mode. Disabling.\n"); | |
733 | return -ENODEV; | |
734 | } | |
735 | ||
736 | drm_mode_connector_update_edid_property(connector, nv_connector->edid); | |
737 | return 0; | |
738 | } | |
739 | ||
740 | int | |
741 | nouveau_connector_create(struct drm_device *dev, int index, int type) | |
742 | { | |
743 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
744 | struct nouveau_connector *nv_connector = NULL; | |
745 | struct drm_connector *connector; | |
746 | struct drm_encoder *encoder; | |
747 | int ret; | |
748 | ||
ef2bb506 | 749 | NV_DEBUG_KMS(dev, "\n"); |
6ee73861 BS |
750 | |
751 | nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); | |
752 | if (!nv_connector) | |
753 | return -ENOMEM; | |
754 | nv_connector->dcb = nouveau_bios_connector_entry(dev, index); | |
755 | connector = &nv_connector->base; | |
756 | ||
757 | switch (type) { | |
758 | case DRM_MODE_CONNECTOR_VGA: | |
759 | NV_INFO(dev, "Detected a VGA connector\n"); | |
760 | break; | |
761 | case DRM_MODE_CONNECTOR_DVID: | |
762 | NV_INFO(dev, "Detected a DVI-D connector\n"); | |
763 | break; | |
764 | case DRM_MODE_CONNECTOR_DVII: | |
765 | NV_INFO(dev, "Detected a DVI-I connector\n"); | |
766 | break; | |
767 | case DRM_MODE_CONNECTOR_LVDS: | |
768 | NV_INFO(dev, "Detected a LVDS connector\n"); | |
769 | break; | |
770 | case DRM_MODE_CONNECTOR_TV: | |
771 | NV_INFO(dev, "Detected a TV connector\n"); | |
772 | break; | |
773 | case DRM_MODE_CONNECTOR_DisplayPort: | |
774 | NV_INFO(dev, "Detected a DisplayPort connector\n"); | |
775 | break; | |
776 | default: | |
777 | NV_ERROR(dev, "Unknown connector, this is not good.\n"); | |
778 | break; | |
779 | } | |
780 | ||
781 | /* defaults, will get overridden in detect() */ | |
782 | connector->interlace_allowed = false; | |
783 | connector->doublescan_allowed = false; | |
784 | ||
785 | drm_connector_init(dev, connector, &nouveau_connector_funcs, type); | |
786 | drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); | |
787 | ||
788 | /* Init DVI-I specific properties */ | |
789 | if (type == DRM_MODE_CONNECTOR_DVII) { | |
790 | drm_mode_create_dvi_i_properties(dev); | |
791 | drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0); | |
792 | drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0); | |
793 | } | |
794 | ||
795 | if (type != DRM_MODE_CONNECTOR_LVDS) | |
796 | nv_connector->use_dithering = false; | |
797 | ||
798 | if (type == DRM_MODE_CONNECTOR_DVID || | |
799 | type == DRM_MODE_CONNECTOR_DVII || | |
800 | type == DRM_MODE_CONNECTOR_LVDS || | |
801 | type == DRM_MODE_CONNECTOR_DisplayPort) { | |
802 | nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; | |
803 | ||
804 | drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, | |
805 | nv_connector->scaling_mode); | |
806 | drm_connector_attach_property(connector, dev->mode_config.dithering_mode_property, | |
807 | nv_connector->use_dithering ? DRM_MODE_DITHERING_ON | |
808 | : DRM_MODE_DITHERING_OFF); | |
809 | ||
810 | } else { | |
811 | nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; | |
812 | ||
813 | if (type == DRM_MODE_CONNECTOR_VGA && | |
814 | dev_priv->card_type >= NV_50) { | |
815 | drm_connector_attach_property(connector, | |
816 | dev->mode_config.scaling_mode_property, | |
817 | nv_connector->scaling_mode); | |
818 | } | |
819 | } | |
820 | ||
821 | /* attach encoders */ | |
822 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
823 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
824 | ||
825 | if (nv_encoder->dcb->connector != index) | |
826 | continue; | |
827 | ||
828 | if (get_slave_funcs(nv_encoder)) | |
829 | get_slave_funcs(nv_encoder)->create_resources(encoder, connector); | |
830 | ||
831 | drm_mode_connector_attach_encoder(connector, encoder); | |
832 | } | |
833 | ||
834 | drm_sysfs_connector_add(connector); | |
835 | ||
836 | if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { | |
837 | ret = nouveau_connector_create_lvds(dev, connector); | |
838 | if (ret) { | |
839 | connector->funcs->destroy(connector); | |
840 | return ret; | |
841 | } | |
842 | } | |
843 | ||
844 | return 0; | |
845 | } |