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771fe6b9 JG |
1 | /* |
2 | * Copyright 2007-8 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: Dave Airlie | |
24 | * Alex Deucher | |
25 | */ | |
26 | #include "drmP.h" | |
27 | #include "drm_edid.h" | |
28 | #include "drm_crtc_helper.h" | |
29 | #include "radeon_drm.h" | |
30 | #include "radeon.h" | |
31 | ||
32 | extern void | |
33 | radeon_combios_connected_scratch_regs(struct drm_connector *connector, | |
34 | struct drm_encoder *encoder, | |
35 | bool connected); | |
36 | extern void | |
37 | radeon_atombios_connected_scratch_regs(struct drm_connector *connector, | |
38 | struct drm_encoder *encoder, | |
39 | bool connected); | |
40 | ||
41 | static void | |
42 | radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) | |
43 | { | |
44 | struct drm_device *dev = connector->dev; | |
45 | struct radeon_device *rdev = dev->dev_private; | |
46 | struct drm_encoder *best_encoder = NULL; | |
47 | struct drm_encoder *encoder = NULL; | |
48 | struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; | |
49 | struct drm_mode_object *obj; | |
50 | bool connected; | |
51 | int i; | |
52 | ||
53 | best_encoder = connector_funcs->best_encoder(connector); | |
54 | ||
55 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
56 | if (connector->encoder_ids[i] == 0) | |
57 | break; | |
58 | ||
59 | obj = drm_mode_object_find(connector->dev, | |
60 | connector->encoder_ids[i], | |
61 | DRM_MODE_OBJECT_ENCODER); | |
62 | if (!obj) | |
63 | continue; | |
64 | ||
65 | encoder = obj_to_encoder(obj); | |
66 | ||
67 | if ((encoder == best_encoder) && (status == connector_status_connected)) | |
68 | connected = true; | |
69 | else | |
70 | connected = false; | |
71 | ||
72 | if (rdev->is_atom_bios) | |
73 | radeon_atombios_connected_scratch_regs(connector, encoder, connected); | |
74 | else | |
75 | radeon_combios_connected_scratch_regs(connector, encoder, connected); | |
76 | ||
77 | } | |
78 | } | |
79 | ||
80 | struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) | |
81 | { | |
82 | int enc_id = connector->encoder_ids[0]; | |
83 | struct drm_mode_object *obj; | |
84 | struct drm_encoder *encoder; | |
85 | ||
86 | /* pick the encoder ids */ | |
87 | if (enc_id) { | |
88 | obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); | |
89 | if (!obj) | |
90 | return NULL; | |
91 | encoder = obj_to_encoder(obj); | |
92 | return encoder; | |
93 | } | |
94 | return NULL; | |
95 | } | |
96 | ||
97 | static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) | |
98 | { | |
99 | struct drm_device *dev = encoder->dev; | |
100 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | |
101 | struct drm_display_mode *mode = NULL; | |
102 | struct radeon_native_mode *native_mode = &radeon_encoder->native_mode; | |
103 | ||
104 | if (native_mode->panel_xres != 0 && | |
105 | native_mode->panel_yres != 0 && | |
106 | native_mode->dotclock != 0) { | |
107 | mode = drm_mode_create(dev); | |
108 | ||
109 | mode->hdisplay = native_mode->panel_xres; | |
110 | mode->vdisplay = native_mode->panel_yres; | |
111 | ||
112 | mode->htotal = mode->hdisplay + native_mode->hblank; | |
113 | mode->hsync_start = mode->hdisplay + native_mode->hoverplus; | |
114 | mode->hsync_end = mode->hsync_start + native_mode->hsync_width; | |
115 | mode->vtotal = mode->vdisplay + native_mode->vblank; | |
116 | mode->vsync_start = mode->vdisplay + native_mode->voverplus; | |
117 | mode->vsync_end = mode->vsync_start + native_mode->vsync_width; | |
118 | mode->clock = native_mode->dotclock; | |
119 | mode->flags = 0; | |
120 | ||
121 | mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; | |
122 | drm_mode_set_name(mode); | |
123 | ||
124 | DRM_DEBUG("Adding native panel mode %s\n", mode->name); | |
125 | } | |
126 | return mode; | |
127 | } | |
128 | ||
129 | int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, | |
130 | uint64_t val) | |
131 | { | |
132 | return 0; | |
133 | } | |
134 | ||
135 | ||
136 | static int radeon_lvds_get_modes(struct drm_connector *connector) | |
137 | { | |
138 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
139 | struct drm_encoder *encoder; | |
140 | int ret = 0; | |
141 | struct drm_display_mode *mode; | |
142 | ||
143 | if (radeon_connector->ddc_bus) { | |
144 | ret = radeon_ddc_get_modes(radeon_connector); | |
145 | if (ret > 0) { | |
146 | return ret; | |
147 | } | |
148 | } | |
149 | ||
150 | encoder = radeon_best_single_encoder(connector); | |
151 | if (!encoder) | |
152 | return 0; | |
153 | ||
154 | /* we have no EDID modes */ | |
155 | mode = radeon_fp_native_mode(encoder); | |
156 | if (mode) { | |
157 | ret = 1; | |
158 | drm_mode_probed_add(connector, mode); | |
159 | } | |
160 | return ret; | |
161 | } | |
162 | ||
163 | static int radeon_lvds_mode_valid(struct drm_connector *connector, | |
164 | struct drm_display_mode *mode) | |
165 | { | |
166 | return MODE_OK; | |
167 | } | |
168 | ||
169 | static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector) | |
170 | { | |
171 | enum drm_connector_status ret = connector_status_connected; | |
172 | /* check acpi lid status ??? */ | |
173 | radeon_connector_update_scratch_regs(connector, ret); | |
174 | return ret; | |
175 | } | |
176 | ||
177 | static void radeon_connector_destroy(struct drm_connector *connector) | |
178 | { | |
179 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
180 | ||
181 | if (radeon_connector->ddc_bus) | |
182 | radeon_i2c_destroy(radeon_connector->ddc_bus); | |
183 | kfree(radeon_connector->con_priv); | |
184 | drm_sysfs_connector_remove(connector); | |
185 | drm_connector_cleanup(connector); | |
186 | kfree(connector); | |
187 | } | |
188 | ||
189 | struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { | |
190 | .get_modes = radeon_lvds_get_modes, | |
191 | .mode_valid = radeon_lvds_mode_valid, | |
192 | .best_encoder = radeon_best_single_encoder, | |
193 | }; | |
194 | ||
195 | struct drm_connector_funcs radeon_lvds_connector_funcs = { | |
196 | .dpms = drm_helper_connector_dpms, | |
197 | .detect = radeon_lvds_detect, | |
198 | .fill_modes = drm_helper_probe_single_connector_modes, | |
199 | .destroy = radeon_connector_destroy, | |
200 | .set_property = radeon_connector_set_property, | |
201 | }; | |
202 | ||
203 | static int radeon_vga_get_modes(struct drm_connector *connector) | |
204 | { | |
205 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
206 | int ret; | |
207 | ||
208 | ret = radeon_ddc_get_modes(radeon_connector); | |
209 | ||
210 | return ret; | |
211 | } | |
212 | ||
213 | static int radeon_vga_mode_valid(struct drm_connector *connector, | |
214 | struct drm_display_mode *mode) | |
215 | { | |
216 | ||
217 | return MODE_OK; | |
218 | } | |
219 | ||
220 | static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector) | |
221 | { | |
222 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
223 | struct drm_encoder *encoder; | |
224 | struct drm_encoder_helper_funcs *encoder_funcs; | |
225 | bool dret; | |
226 | enum drm_connector_status ret = connector_status_disconnected; | |
227 | ||
228 | radeon_i2c_do_lock(radeon_connector, 1); | |
229 | dret = radeon_ddc_probe(radeon_connector); | |
230 | radeon_i2c_do_lock(radeon_connector, 0); | |
231 | if (dret) | |
232 | ret = connector_status_connected; | |
233 | else { | |
234 | /* if EDID fails to a load detect */ | |
235 | encoder = radeon_best_single_encoder(connector); | |
236 | if (!encoder) | |
237 | ret = connector_status_disconnected; | |
238 | else { | |
239 | encoder_funcs = encoder->helper_private; | |
240 | ret = encoder_funcs->detect(encoder, connector); | |
241 | } | |
242 | } | |
243 | ||
244 | radeon_connector_update_scratch_regs(connector, ret); | |
245 | return ret; | |
246 | } | |
247 | ||
248 | struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { | |
249 | .get_modes = radeon_vga_get_modes, | |
250 | .mode_valid = radeon_vga_mode_valid, | |
251 | .best_encoder = radeon_best_single_encoder, | |
252 | }; | |
253 | ||
254 | struct drm_connector_funcs radeon_vga_connector_funcs = { | |
255 | .dpms = drm_helper_connector_dpms, | |
256 | .detect = radeon_vga_detect, | |
257 | .fill_modes = drm_helper_probe_single_connector_modes, | |
258 | .destroy = radeon_connector_destroy, | |
259 | .set_property = radeon_connector_set_property, | |
260 | }; | |
261 | ||
262 | static int radeon_dvi_get_modes(struct drm_connector *connector) | |
263 | { | |
264 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
265 | int ret; | |
266 | ||
267 | ret = radeon_ddc_get_modes(radeon_connector); | |
268 | /* reset scratch regs here since radeon_dvi_detect doesn't check digital bit */ | |
269 | radeon_connector_update_scratch_regs(connector, connector_status_connected); | |
270 | return ret; | |
271 | } | |
272 | ||
273 | static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector) | |
274 | { | |
275 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
276 | struct drm_encoder *encoder; | |
277 | struct drm_encoder_helper_funcs *encoder_funcs; | |
278 | struct drm_mode_object *obj; | |
279 | int i; | |
280 | enum drm_connector_status ret = connector_status_disconnected; | |
281 | bool dret; | |
282 | ||
283 | radeon_i2c_do_lock(radeon_connector, 1); | |
284 | dret = radeon_ddc_probe(radeon_connector); | |
285 | radeon_i2c_do_lock(radeon_connector, 0); | |
286 | if (dret) | |
287 | ret = connector_status_connected; | |
288 | else { | |
289 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
290 | if (connector->encoder_ids[i] == 0) | |
291 | break; | |
292 | ||
293 | obj = drm_mode_object_find(connector->dev, | |
294 | connector->encoder_ids[i], | |
295 | DRM_MODE_OBJECT_ENCODER); | |
296 | if (!obj) | |
297 | continue; | |
298 | ||
299 | encoder = obj_to_encoder(obj); | |
300 | ||
301 | encoder_funcs = encoder->helper_private; | |
302 | if (encoder_funcs->detect) { | |
303 | ret = encoder_funcs->detect(encoder, connector); | |
304 | if (ret == connector_status_connected) { | |
305 | radeon_connector->use_digital = 0; | |
306 | break; | |
307 | } | |
308 | } | |
309 | } | |
310 | } | |
311 | ||
312 | /* updated in get modes as well since we need to know if it's analog or digital */ | |
313 | radeon_connector_update_scratch_regs(connector, ret); | |
314 | return ret; | |
315 | } | |
316 | ||
317 | /* okay need to be smart in here about which encoder to pick */ | |
318 | struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) | |
319 | { | |
320 | int enc_id = connector->encoder_ids[0]; | |
321 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | |
322 | struct drm_mode_object *obj; | |
323 | struct drm_encoder *encoder; | |
324 | int i; | |
325 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
326 | if (connector->encoder_ids[i] == 0) | |
327 | break; | |
328 | ||
329 | obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); | |
330 | if (!obj) | |
331 | continue; | |
332 | ||
333 | encoder = obj_to_encoder(obj); | |
334 | ||
335 | if (radeon_connector->use_digital) { | |
336 | if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) | |
337 | return encoder; | |
338 | } else { | |
339 | if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || | |
340 | encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) | |
341 | return encoder; | |
342 | } | |
343 | } | |
344 | ||
345 | /* see if we have a default encoder TODO */ | |
346 | ||
347 | /* then check use digitial */ | |
348 | /* pick the first one */ | |
349 | if (enc_id) { | |
350 | obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); | |
351 | if (!obj) | |
352 | return NULL; | |
353 | encoder = obj_to_encoder(obj); | |
354 | return encoder; | |
355 | } | |
356 | return NULL; | |
357 | } | |
358 | ||
359 | struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { | |
360 | .get_modes = radeon_dvi_get_modes, | |
361 | .mode_valid = radeon_vga_mode_valid, | |
362 | .best_encoder = radeon_dvi_encoder, | |
363 | }; | |
364 | ||
365 | struct drm_connector_funcs radeon_dvi_connector_funcs = { | |
366 | .dpms = drm_helper_connector_dpms, | |
367 | .detect = radeon_dvi_detect, | |
368 | .fill_modes = drm_helper_probe_single_connector_modes, | |
369 | .set_property = radeon_connector_set_property, | |
370 | .destroy = radeon_connector_destroy, | |
371 | }; | |
372 | ||
373 | void | |
374 | radeon_add_atom_connector(struct drm_device *dev, | |
375 | uint32_t connector_id, | |
376 | uint32_t supported_device, | |
377 | int connector_type, | |
378 | struct radeon_i2c_bus_rec *i2c_bus, | |
379 | bool linkb, | |
380 | uint32_t igp_lane_info) | |
381 | { | |
382 | struct drm_connector *connector; | |
383 | struct radeon_connector *radeon_connector; | |
384 | struct radeon_connector_atom_dig *radeon_dig_connector; | |
385 | uint32_t subpixel_order = SubPixelNone; | |
386 | ||
387 | /* fixme - tv/cv/din */ | |
388 | if ((connector_type == DRM_MODE_CONNECTOR_Unknown) || | |
389 | (connector_type == DRM_MODE_CONNECTOR_SVIDEO) || | |
390 | (connector_type == DRM_MODE_CONNECTOR_Composite) || | |
391 | (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) | |
392 | return; | |
393 | ||
394 | /* see if we already added it */ | |
395 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
396 | radeon_connector = to_radeon_connector(connector); | |
397 | if (radeon_connector->connector_id == connector_id) { | |
398 | radeon_connector->devices |= supported_device; | |
399 | return; | |
400 | } | |
401 | } | |
402 | ||
403 | radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); | |
404 | if (!radeon_connector) | |
405 | return; | |
406 | ||
407 | connector = &radeon_connector->base; | |
408 | ||
409 | radeon_connector->connector_id = connector_id; | |
410 | radeon_connector->devices = supported_device; | |
411 | switch (connector_type) { | |
412 | case DRM_MODE_CONNECTOR_VGA: | |
413 | drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); | |
414 | drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); | |
415 | if (i2c_bus->valid) { | |
416 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA"); | |
417 | if (!radeon_connector->ddc_bus) | |
418 | goto failed; | |
419 | } | |
420 | break; | |
421 | case DRM_MODE_CONNECTOR_DVIA: | |
422 | drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); | |
423 | drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); | |
424 | if (i2c_bus->valid) { | |
425 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI"); | |
426 | if (!radeon_connector->ddc_bus) | |
427 | goto failed; | |
428 | } | |
429 | break; | |
430 | case DRM_MODE_CONNECTOR_DVII: | |
431 | case DRM_MODE_CONNECTOR_DVID: | |
432 | radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); | |
433 | if (!radeon_dig_connector) | |
434 | goto failed; | |
435 | radeon_dig_connector->linkb = linkb; | |
436 | radeon_dig_connector->igp_lane_info = igp_lane_info; | |
437 | radeon_connector->con_priv = radeon_dig_connector; | |
438 | drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); | |
439 | drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); | |
440 | if (i2c_bus->valid) { | |
441 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI"); | |
442 | if (!radeon_connector->ddc_bus) | |
443 | goto failed; | |
444 | } | |
445 | subpixel_order = SubPixelHorizontalRGB; | |
446 | break; | |
447 | case DRM_MODE_CONNECTOR_HDMIA: | |
448 | case DRM_MODE_CONNECTOR_HDMIB: | |
449 | radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); | |
450 | if (!radeon_dig_connector) | |
451 | goto failed; | |
452 | radeon_dig_connector->linkb = linkb; | |
453 | radeon_dig_connector->igp_lane_info = igp_lane_info; | |
454 | radeon_connector->con_priv = radeon_dig_connector; | |
455 | drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); | |
456 | drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); | |
457 | if (i2c_bus->valid) { | |
458 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI"); | |
459 | if (!radeon_connector->ddc_bus) | |
460 | goto failed; | |
461 | } | |
462 | subpixel_order = SubPixelHorizontalRGB; | |
463 | break; | |
464 | case DRM_MODE_CONNECTOR_DisplayPort: | |
465 | radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); | |
466 | if (!radeon_dig_connector) | |
467 | goto failed; | |
468 | radeon_dig_connector->linkb = linkb; | |
469 | radeon_dig_connector->igp_lane_info = igp_lane_info; | |
470 | radeon_connector->con_priv = radeon_dig_connector; | |
471 | drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); | |
472 | drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); | |
473 | if (i2c_bus->valid) { | |
474 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP"); | |
475 | if (!radeon_connector->ddc_bus) | |
476 | goto failed; | |
477 | } | |
478 | subpixel_order = SubPixelHorizontalRGB; | |
479 | break; | |
480 | case DRM_MODE_CONNECTOR_SVIDEO: | |
481 | case DRM_MODE_CONNECTOR_Composite: | |
482 | case DRM_MODE_CONNECTOR_9PinDIN: | |
483 | break; | |
484 | case DRM_MODE_CONNECTOR_LVDS: | |
485 | radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL); | |
486 | if (!radeon_dig_connector) | |
487 | goto failed; | |
488 | radeon_dig_connector->linkb = linkb; | |
489 | radeon_dig_connector->igp_lane_info = igp_lane_info; | |
490 | radeon_connector->con_priv = radeon_dig_connector; | |
491 | drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); | |
492 | drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); | |
493 | if (i2c_bus->valid) { | |
494 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS"); | |
495 | if (!radeon_connector->ddc_bus) | |
496 | goto failed; | |
497 | } | |
498 | subpixel_order = SubPixelHorizontalRGB; | |
499 | break; | |
500 | } | |
501 | ||
502 | connector->display_info.subpixel_order = subpixel_order; | |
503 | drm_sysfs_connector_add(connector); | |
504 | return; | |
505 | ||
506 | failed: | |
507 | if (radeon_connector->ddc_bus) | |
508 | radeon_i2c_destroy(radeon_connector->ddc_bus); | |
509 | drm_connector_cleanup(connector); | |
510 | kfree(connector); | |
511 | } | |
512 | ||
513 | void | |
514 | radeon_add_legacy_connector(struct drm_device *dev, | |
515 | uint32_t connector_id, | |
516 | uint32_t supported_device, | |
517 | int connector_type, | |
518 | struct radeon_i2c_bus_rec *i2c_bus) | |
519 | { | |
520 | struct drm_connector *connector; | |
521 | struct radeon_connector *radeon_connector; | |
522 | uint32_t subpixel_order = SubPixelNone; | |
523 | ||
524 | /* fixme - tv/cv/din */ | |
525 | if ((connector_type == DRM_MODE_CONNECTOR_Unknown) || | |
526 | (connector_type == DRM_MODE_CONNECTOR_SVIDEO) || | |
527 | (connector_type == DRM_MODE_CONNECTOR_Composite) || | |
528 | (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) | |
529 | return; | |
530 | ||
531 | /* see if we already added it */ | |
532 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
533 | radeon_connector = to_radeon_connector(connector); | |
534 | if (radeon_connector->connector_id == connector_id) { | |
535 | radeon_connector->devices |= supported_device; | |
536 | return; | |
537 | } | |
538 | } | |
539 | ||
540 | radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL); | |
541 | if (!radeon_connector) | |
542 | return; | |
543 | ||
544 | connector = &radeon_connector->base; | |
545 | ||
546 | radeon_connector->connector_id = connector_id; | |
547 | radeon_connector->devices = supported_device; | |
548 | switch (connector_type) { | |
549 | case DRM_MODE_CONNECTOR_VGA: | |
550 | drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); | |
551 | drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); | |
552 | if (i2c_bus->valid) { | |
553 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA"); | |
554 | if (!radeon_connector->ddc_bus) | |
555 | goto failed; | |
556 | } | |
557 | break; | |
558 | case DRM_MODE_CONNECTOR_DVIA: | |
559 | drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); | |
560 | drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); | |
561 | if (i2c_bus->valid) { | |
562 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI"); | |
563 | if (!radeon_connector->ddc_bus) | |
564 | goto failed; | |
565 | } | |
566 | break; | |
567 | case DRM_MODE_CONNECTOR_DVII: | |
568 | case DRM_MODE_CONNECTOR_DVID: | |
569 | drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); | |
570 | drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); | |
571 | if (i2c_bus->valid) { | |
572 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI"); | |
573 | if (!radeon_connector->ddc_bus) | |
574 | goto failed; | |
575 | } | |
576 | subpixel_order = SubPixelHorizontalRGB; | |
577 | break; | |
578 | case DRM_MODE_CONNECTOR_SVIDEO: | |
579 | case DRM_MODE_CONNECTOR_Composite: | |
580 | case DRM_MODE_CONNECTOR_9PinDIN: | |
581 | break; | |
582 | case DRM_MODE_CONNECTOR_LVDS: | |
583 | drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); | |
584 | drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); | |
585 | if (i2c_bus->valid) { | |
586 | radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS"); | |
587 | if (!radeon_connector->ddc_bus) | |
588 | goto failed; | |
589 | } | |
590 | subpixel_order = SubPixelHorizontalRGB; | |
591 | break; | |
592 | } | |
593 | ||
594 | connector->display_info.subpixel_order = subpixel_order; | |
595 | drm_sysfs_connector_add(connector); | |
596 | return; | |
597 | ||
598 | failed: | |
599 | if (radeon_connector->ddc_bus) | |
600 | radeon_i2c_destroy(radeon_connector->ddc_bus); | |
601 | drm_connector_cleanup(connector); | |
602 | kfree(connector); | |
603 | } |