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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <dev/drm2/drmP.h>
31 #include <dev/drm2/drm_crtc_helper.h>
32 #include <dev/drm2/radeon/radeon_drm.h>
33 #include "radeon.h"
34 #include "atom.h"
35
36
radeon_encoder_clones(struct drm_encoder * encoder)37 static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
38 {
39 struct drm_device *dev = encoder->dev;
40 struct radeon_device *rdev = dev->dev_private;
41 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
42 struct drm_encoder *clone_encoder;
43 uint32_t index_mask = 0;
44 int count;
45
46 /* DIG routing gets problematic */
47 if (rdev->family >= CHIP_R600)
48 return index_mask;
49 /* LVDS/TV are too wacky */
50 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
51 return index_mask;
52 /* DVO requires 2x ppll clocks depending on tmds chip */
53 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT)
54 return index_mask;
55
56 count = -1;
57 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
58 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
59 count++;
60
61 if (clone_encoder == encoder)
62 continue;
63 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT))
64 continue;
65 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT)
66 continue;
67 else
68 index_mask |= (1 << count);
69 }
70 return index_mask;
71 }
72
radeon_setup_encoder_clones(struct drm_device * dev)73 void radeon_setup_encoder_clones(struct drm_device *dev)
74 {
75 struct drm_encoder *encoder;
76
77 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
78 encoder->possible_clones = radeon_encoder_clones(encoder);
79 }
80 }
81
82 uint32_t
radeon_get_encoder_enum(struct drm_device * dev,uint32_t supported_device,uint8_t dac)83 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
84 {
85 struct radeon_device *rdev = dev->dev_private;
86 uint32_t ret = 0;
87
88 switch (supported_device) {
89 case ATOM_DEVICE_CRT1_SUPPORT:
90 case ATOM_DEVICE_TV1_SUPPORT:
91 case ATOM_DEVICE_TV2_SUPPORT:
92 case ATOM_DEVICE_CRT2_SUPPORT:
93 case ATOM_DEVICE_CV_SUPPORT:
94 switch (dac) {
95 case 1: /* dac a */
96 if ((rdev->family == CHIP_RS300) ||
97 (rdev->family == CHIP_RS400) ||
98 (rdev->family == CHIP_RS480))
99 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
100 else if (ASIC_IS_AVIVO(rdev))
101 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1;
102 else
103 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1;
104 break;
105 case 2: /* dac b */
106 if (ASIC_IS_AVIVO(rdev))
107 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
108 else {
109 /*if (rdev->family == CHIP_R200)
110 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
111 else*/
112 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
113 }
114 break;
115 case 3: /* external dac */
116 if (ASIC_IS_AVIVO(rdev))
117 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
118 else
119 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
120 break;
121 }
122 break;
123 case ATOM_DEVICE_LCD1_SUPPORT:
124 if (ASIC_IS_AVIVO(rdev))
125 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
126 else
127 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1;
128 break;
129 case ATOM_DEVICE_DFP1_SUPPORT:
130 if ((rdev->family == CHIP_RS300) ||
131 (rdev->family == CHIP_RS400) ||
132 (rdev->family == CHIP_RS480))
133 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
134 else if (ASIC_IS_AVIVO(rdev))
135 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1;
136 else
137 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1;
138 break;
139 case ATOM_DEVICE_LCD2_SUPPORT:
140 case ATOM_DEVICE_DFP2_SUPPORT:
141 if ((rdev->family == CHIP_RS600) ||
142 (rdev->family == CHIP_RS690) ||
143 (rdev->family == CHIP_RS740))
144 ret = ENCODER_INTERNAL_DDI_ENUM_ID1;
145 else if (ASIC_IS_AVIVO(rdev))
146 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
147 else
148 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
149 break;
150 case ATOM_DEVICE_DFP3_SUPPORT:
151 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
152 break;
153 }
154
155 return ret;
156 }
157
158 void
radeon_link_encoder_connector(struct drm_device * dev)159 radeon_link_encoder_connector(struct drm_device *dev)
160 {
161 struct radeon_device *rdev = dev->dev_private;
162 struct drm_connector *connector;
163 struct radeon_connector *radeon_connector;
164 struct drm_encoder *encoder;
165 struct radeon_encoder *radeon_encoder;
166
167 /* walk the list and link encoders to connectors */
168 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
169 radeon_connector = to_radeon_connector(connector);
170 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
171 radeon_encoder = to_radeon_encoder(encoder);
172 if (radeon_encoder->devices & radeon_connector->devices) {
173 drm_mode_connector_attach_encoder(connector, encoder);
174 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
175 if (rdev->is_atom_bios)
176 radeon_atom_backlight_init(radeon_encoder, connector);
177 else
178 radeon_legacy_backlight_init(radeon_encoder, connector);
179 rdev->mode_info.bl_encoder = radeon_encoder;
180 }
181 }
182 }
183 }
184 }
185
radeon_encoder_set_active_device(struct drm_encoder * encoder)186 void radeon_encoder_set_active_device(struct drm_encoder *encoder)
187 {
188 struct drm_device *dev = encoder->dev;
189 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
190 struct drm_connector *connector;
191
192 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
193 if (connector->encoder == encoder) {
194 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
195 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices;
196 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
197 radeon_encoder->active_device, radeon_encoder->devices,
198 radeon_connector->devices, encoder->encoder_type);
199 }
200 }
201 }
202
203 struct drm_connector *
radeon_get_connector_for_encoder(struct drm_encoder * encoder)204 radeon_get_connector_for_encoder(struct drm_encoder *encoder)
205 {
206 struct drm_device *dev = encoder->dev;
207 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
208 struct drm_connector *connector;
209 struct radeon_connector *radeon_connector;
210
211 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
212 radeon_connector = to_radeon_connector(connector);
213 if (radeon_encoder->active_device & radeon_connector->devices)
214 return connector;
215 }
216 return NULL;
217 }
218
219 struct drm_connector *
radeon_get_connector_for_encoder_init(struct drm_encoder * encoder)220 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
221 {
222 struct drm_device *dev = encoder->dev;
223 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
224 struct drm_connector *connector;
225 struct radeon_connector *radeon_connector;
226
227 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
228 radeon_connector = to_radeon_connector(connector);
229 if (radeon_encoder->devices & radeon_connector->devices)
230 return connector;
231 }
232 return NULL;
233 }
234
radeon_get_external_encoder(struct drm_encoder * encoder)235 struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder)
236 {
237 struct drm_device *dev = encoder->dev;
238 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
239 struct drm_encoder *other_encoder;
240 struct radeon_encoder *other_radeon_encoder;
241
242 if (radeon_encoder->is_ext_encoder)
243 return NULL;
244
245 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
246 if (other_encoder == encoder)
247 continue;
248 other_radeon_encoder = to_radeon_encoder(other_encoder);
249 if (other_radeon_encoder->is_ext_encoder &&
250 (radeon_encoder->devices & other_radeon_encoder->devices))
251 return other_encoder;
252 }
253 return NULL;
254 }
255
radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder * encoder)256 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
257 {
258 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder);
259
260 if (other_encoder) {
261 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);
262
263 switch (radeon_encoder->encoder_id) {
264 case ENCODER_OBJECT_ID_TRAVIS:
265 case ENCODER_OBJECT_ID_NUTMEG:
266 return radeon_encoder->encoder_id;
267 default:
268 return ENCODER_OBJECT_ID_NONE;
269 }
270 }
271 return ENCODER_OBJECT_ID_NONE;
272 }
273
radeon_panel_mode_fixup(struct drm_encoder * encoder,struct drm_display_mode * adjusted_mode)274 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
275 struct drm_display_mode *adjusted_mode)
276 {
277 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
278 struct drm_device *dev = encoder->dev;
279 struct radeon_device *rdev = dev->dev_private;
280 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
281 unsigned hblank = native_mode->htotal - native_mode->hdisplay;
282 unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
283 unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
284 unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
285 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
286 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
287
288 adjusted_mode->clock = native_mode->clock;
289 adjusted_mode->flags = native_mode->flags;
290
291 if (ASIC_IS_AVIVO(rdev)) {
292 adjusted_mode->hdisplay = native_mode->hdisplay;
293 adjusted_mode->vdisplay = native_mode->vdisplay;
294 }
295
296 adjusted_mode->htotal = native_mode->hdisplay + hblank;
297 adjusted_mode->hsync_start = native_mode->hdisplay + hover;
298 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
299
300 adjusted_mode->vtotal = native_mode->vdisplay + vblank;
301 adjusted_mode->vsync_start = native_mode->vdisplay + vover;
302 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
303
304 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
305
306 if (ASIC_IS_AVIVO(rdev)) {
307 adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
308 adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
309 }
310
311 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
312 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
313 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
314
315 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
316 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
317 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
318
319 }
320
radeon_dig_monitor_is_duallink(struct drm_encoder * encoder,u32 pixel_clock)321 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
322 u32 pixel_clock)
323 {
324 struct drm_device *dev = encoder->dev;
325 struct radeon_device *rdev = dev->dev_private;
326 struct drm_connector *connector;
327 struct radeon_connector *radeon_connector;
328 struct radeon_connector_atom_dig *dig_connector;
329
330 connector = radeon_get_connector_for_encoder(encoder);
331 /* if we don't have an active device yet, just use one of
332 * the connectors tied to the encoder.
333 */
334 if (!connector)
335 connector = radeon_get_connector_for_encoder_init(encoder);
336 radeon_connector = to_radeon_connector(connector);
337
338 switch (connector->connector_type) {
339 case DRM_MODE_CONNECTOR_DVII:
340 case DRM_MODE_CONNECTOR_HDMIB:
341 if (radeon_connector->use_digital) {
342 /* HDMI 1.3 supports up to 340 Mhz over single link */
343 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
344 if (pixel_clock > 340000)
345 return true;
346 else
347 return false;
348 } else {
349 if (pixel_clock > 165000)
350 return true;
351 else
352 return false;
353 }
354 } else
355 return false;
356 case DRM_MODE_CONNECTOR_DVID:
357 case DRM_MODE_CONNECTOR_HDMIA:
358 case DRM_MODE_CONNECTOR_DisplayPort:
359 dig_connector = radeon_connector->con_priv;
360 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
361 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
362 return false;
363 else {
364 /* HDMI 1.3 supports up to 340 Mhz over single link */
365 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
366 if (pixel_clock > 340000)
367 return true;
368 else
369 return false;
370 } else {
371 if (pixel_clock > 165000)
372 return true;
373 else
374 return false;
375 }
376 }
377 default:
378 return false;
379 }
380 }
381
382