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 <drm/drmP.h> |
27 | #include <drm/drm_crtc_helper.h> |
28 | #include <drm/radeon_drm.h> |
29 | #include "radeon.h" |
30 | #include "atom.h" |
31 | |
32 | extern void |
33 | radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, |
34 | struct drm_connector *drm_connector); |
35 | extern void |
36 | radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, |
37 | struct drm_connector *drm_connector); |
38 | |
39 | |
40 | static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) |
41 | { |
42 | struct drm_device *dev = encoder->dev; |
43 | struct radeon_device *rdev = dev->dev_private; |
44 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
45 | struct drm_encoder *clone_encoder; |
46 | uint32_t index_mask = 0; |
47 | int count; |
48 | |
49 | /* DIG routing gets problematic */ |
50 | if (rdev->family >= CHIP_R600) |
51 | return index_mask; |
52 | /* LVDS/TV are too wacky */ |
53 | if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) |
54 | return index_mask; |
55 | /* DVO requires 2x ppll clocks depending on tmds chip */ |
56 | if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) |
57 | return index_mask; |
58 | |
59 | count = -1; |
60 | list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { |
61 | struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); |
62 | count++; |
63 | |
64 | if (clone_encoder == encoder) |
65 | continue; |
66 | if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) |
67 | continue; |
68 | if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) |
69 | continue; |
70 | else |
71 | index_mask |= (1 << count); |
72 | } |
73 | return index_mask; |
74 | } |
75 | |
76 | void radeon_setup_encoder_clones(struct drm_device *dev) |
77 | { |
78 | struct drm_encoder *encoder; |
79 | |
80 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
81 | encoder->possible_clones = radeon_encoder_clones(encoder); |
82 | } |
83 | } |
84 | |
85 | uint32_t |
86 | radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) |
87 | { |
88 | struct radeon_device *rdev = dev->dev_private; |
89 | uint32_t ret = 0; |
90 | |
91 | switch (supported_device) { |
92 | case ATOM_DEVICE_CRT1_SUPPORT: |
93 | case ATOM_DEVICE_TV1_SUPPORT: |
94 | case ATOM_DEVICE_TV2_SUPPORT: |
95 | case ATOM_DEVICE_CRT2_SUPPORT: |
96 | case ATOM_DEVICE_CV_SUPPORT: |
97 | switch (dac) { |
98 | case 1: /* dac a */ |
99 | if ((rdev->family == CHIP_RS300) || |
100 | (rdev->family == CHIP_RS400) || |
101 | (rdev->family == CHIP_RS480)) |
102 | ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; |
103 | else if (ASIC_IS_AVIVO(rdev)) |
104 | ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; |
105 | else |
106 | ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; |
107 | break; |
108 | case 2: /* dac b */ |
109 | if (ASIC_IS_AVIVO(rdev)) |
110 | ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; |
111 | else { |
112 | /*if (rdev->family == CHIP_R200) |
113 | ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; |
114 | else*/ |
115 | ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; |
116 | } |
117 | break; |
118 | case 3: /* external dac */ |
119 | if (ASIC_IS_AVIVO(rdev)) |
120 | ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; |
121 | else |
122 | ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; |
123 | break; |
124 | } |
125 | break; |
126 | case ATOM_DEVICE_LCD1_SUPPORT: |
127 | if (ASIC_IS_AVIVO(rdev)) |
128 | ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; |
129 | else |
130 | ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; |
131 | break; |
132 | case ATOM_DEVICE_DFP1_SUPPORT: |
133 | if ((rdev->family == CHIP_RS300) || |
134 | (rdev->family == CHIP_RS400) || |
135 | (rdev->family == CHIP_RS480)) |
136 | ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; |
137 | else if (ASIC_IS_AVIVO(rdev)) |
138 | ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; |
139 | else |
140 | ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; |
141 | break; |
142 | case ATOM_DEVICE_LCD2_SUPPORT: |
143 | case ATOM_DEVICE_DFP2_SUPPORT: |
144 | if ((rdev->family == CHIP_RS600) || |
145 | (rdev->family == CHIP_RS690) || |
146 | (rdev->family == CHIP_RS740)) |
147 | ret = ENCODER_INTERNAL_DDI_ENUM_ID1; |
148 | else if (ASIC_IS_AVIVO(rdev)) |
149 | ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; |
150 | else |
151 | ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; |
152 | break; |
153 | case ATOM_DEVICE_DFP3_SUPPORT: |
154 | ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; |
155 | break; |
156 | } |
157 | |
158 | return ret; |
159 | } |
160 | |
161 | void |
162 | radeon_link_encoder_connector(struct drm_device *dev) |
163 | { |
164 | struct radeon_device *rdev = dev->dev_private; |
165 | struct drm_connector *connector; |
166 | struct radeon_connector *radeon_connector; |
167 | struct drm_encoder *encoder; |
168 | struct radeon_encoder *radeon_encoder; |
169 | |
170 | /* walk the list and link encoders to connectors */ |
171 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
172 | radeon_connector = to_radeon_connector(connector); |
173 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
174 | radeon_encoder = to_radeon_encoder(encoder); |
175 | if (radeon_encoder->devices & radeon_connector->devices) { |
176 | drm_mode_connector_attach_encoder(connector, encoder); |
177 | if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { |
178 | if (rdev->is_atom_bios) |
179 | radeon_atom_backlight_init(radeon_encoder, connector); |
180 | else |
181 | radeon_legacy_backlight_init(radeon_encoder, connector); |
182 | rdev->mode_info.bl_encoder = radeon_encoder; |
183 | } |
184 | } |
185 | } |
186 | } |
187 | } |
188 | |
189 | void radeon_encoder_set_active_device(struct drm_encoder *encoder) |
190 | { |
191 | struct drm_device *dev = encoder->dev; |
192 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
193 | struct drm_connector *connector; |
194 | |
195 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
196 | if (connector->encoder == encoder) { |
197 | struct radeon_connector *radeon_connector = to_radeon_connector(connector); |
198 | radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; |
199 | DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n" , |
200 | radeon_encoder->active_device, radeon_encoder->devices, |
201 | radeon_connector->devices, encoder->encoder_type); |
202 | } |
203 | } |
204 | } |
205 | |
206 | struct drm_connector * |
207 | radeon_get_connector_for_encoder(struct drm_encoder *encoder) |
208 | { |
209 | struct drm_device *dev = encoder->dev; |
210 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
211 | struct drm_connector *connector; |
212 | struct radeon_connector *radeon_connector; |
213 | |
214 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
215 | radeon_connector = to_radeon_connector(connector); |
216 | if (radeon_encoder->active_device & radeon_connector->devices) |
217 | return connector; |
218 | } |
219 | return NULL; |
220 | } |
221 | |
222 | struct drm_connector * |
223 | radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) |
224 | { |
225 | struct drm_device *dev = encoder->dev; |
226 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
227 | struct drm_connector *connector; |
228 | struct radeon_connector *radeon_connector; |
229 | |
230 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
231 | radeon_connector = to_radeon_connector(connector); |
232 | if (radeon_encoder->devices & radeon_connector->devices) |
233 | return connector; |
234 | } |
235 | return NULL; |
236 | } |
237 | |
238 | struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) |
239 | { |
240 | struct drm_device *dev = encoder->dev; |
241 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
242 | struct drm_encoder *other_encoder; |
243 | struct radeon_encoder *other_radeon_encoder; |
244 | |
245 | if (radeon_encoder->is_ext_encoder) |
246 | return NULL; |
247 | |
248 | list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { |
249 | if (other_encoder == encoder) |
250 | continue; |
251 | other_radeon_encoder = to_radeon_encoder(other_encoder); |
252 | if (other_radeon_encoder->is_ext_encoder && |
253 | (radeon_encoder->devices & other_radeon_encoder->devices)) |
254 | return other_encoder; |
255 | } |
256 | return NULL; |
257 | } |
258 | |
259 | u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) |
260 | { |
261 | struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); |
262 | |
263 | if (other_encoder) { |
264 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); |
265 | |
266 | switch (radeon_encoder->encoder_id) { |
267 | case ENCODER_OBJECT_ID_TRAVIS: |
268 | case ENCODER_OBJECT_ID_NUTMEG: |
269 | return radeon_encoder->encoder_id; |
270 | default: |
271 | return ENCODER_OBJECT_ID_NONE; |
272 | } |
273 | } |
274 | return ENCODER_OBJECT_ID_NONE; |
275 | } |
276 | |
277 | void radeon_panel_mode_fixup(struct drm_encoder *encoder, |
278 | struct drm_display_mode *adjusted_mode) |
279 | { |
280 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
281 | struct drm_device *dev = encoder->dev; |
282 | struct radeon_device *rdev = dev->dev_private; |
283 | struct drm_display_mode *native_mode = &radeon_encoder->native_mode; |
284 | unsigned hblank = native_mode->htotal - native_mode->hdisplay; |
285 | unsigned vblank = native_mode->vtotal - native_mode->vdisplay; |
286 | unsigned hover = native_mode->hsync_start - native_mode->hdisplay; |
287 | unsigned vover = native_mode->vsync_start - native_mode->vdisplay; |
288 | unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; |
289 | unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; |
290 | |
291 | adjusted_mode->clock = native_mode->clock; |
292 | adjusted_mode->flags = native_mode->flags; |
293 | |
294 | if (ASIC_IS_AVIVO(rdev)) { |
295 | adjusted_mode->hdisplay = native_mode->hdisplay; |
296 | adjusted_mode->vdisplay = native_mode->vdisplay; |
297 | } |
298 | |
299 | adjusted_mode->htotal = native_mode->hdisplay + hblank; |
300 | adjusted_mode->hsync_start = native_mode->hdisplay + hover; |
301 | adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; |
302 | |
303 | adjusted_mode->vtotal = native_mode->vdisplay + vblank; |
304 | adjusted_mode->vsync_start = native_mode->vdisplay + vover; |
305 | adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; |
306 | |
307 | drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); |
308 | |
309 | if (ASIC_IS_AVIVO(rdev)) { |
310 | adjusted_mode->crtc_hdisplay = native_mode->hdisplay; |
311 | adjusted_mode->crtc_vdisplay = native_mode->vdisplay; |
312 | } |
313 | |
314 | adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; |
315 | adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; |
316 | adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; |
317 | |
318 | adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; |
319 | adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; |
320 | adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; |
321 | |
322 | } |
323 | |
324 | bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, |
325 | u32 pixel_clock) |
326 | { |
327 | struct drm_device *dev = encoder->dev; |
328 | struct radeon_device *rdev = dev->dev_private; |
329 | struct drm_connector *connector; |
330 | struct radeon_connector *radeon_connector; |
331 | struct radeon_connector_atom_dig *dig_connector; |
332 | |
333 | connector = radeon_get_connector_for_encoder(encoder); |
334 | /* if we don't have an active device yet, just use one of |
335 | * the connectors tied to the encoder. |
336 | */ |
337 | if (!connector) |
338 | connector = radeon_get_connector_for_encoder_init(encoder); |
339 | radeon_connector = to_radeon_connector(connector); |
340 | |
341 | switch (connector->connector_type) { |
342 | case DRM_MODE_CONNECTOR_DVII: |
343 | case DRM_MODE_CONNECTOR_HDMIB: |
344 | if (radeon_connector->use_digital) { |
345 | /* HDMI 1.3 supports up to 340 Mhz over single link */ |
346 | if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { |
347 | if (pixel_clock > 340000) |
348 | return true; |
349 | else |
350 | return false; |
351 | } else { |
352 | if (pixel_clock > 165000) |
353 | return true; |
354 | else |
355 | return false; |
356 | } |
357 | } else |
358 | return false; |
359 | case DRM_MODE_CONNECTOR_DVID: |
360 | case DRM_MODE_CONNECTOR_HDMIA: |
361 | case DRM_MODE_CONNECTOR_DisplayPort: |
362 | dig_connector = radeon_connector->con_priv; |
363 | if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || |
364 | (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) |
365 | return false; |
366 | else { |
367 | /* HDMI 1.3 supports up to 340 Mhz over single link */ |
368 | if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { |
369 | if (pixel_clock > 340000) |
370 | return true; |
371 | else |
372 | return false; |
373 | } else { |
374 | if (pixel_clock > 165000) |
375 | return true; |
376 | else |
377 | return false; |
378 | } |
379 | } |
380 | default: |
381 | return false; |
382 | } |
383 | } |
384 | |
385 | |