blob: bd4959ca23aa1a451703ce89ab0bf9a812b87fab [file] [log] [blame]
Jerome Glisse771fe6b2009-06-05 14:42:42 +02001/*
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 */
David Howells760285e2012-10-02 18:01:07 +010026#include <drm/drmP.h>
27#include <drm/drm_crtc_helper.h>
28#include <drm/radeon_drm.h>
Jerome Glisse771fe6b2009-06-05 14:42:42 +020029#include "radeon.h"
30#include "atom.h"
31
Alex Deucherf3728732012-07-26 11:32:03 -040032extern void
33radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
34 struct drm_connector *drm_connector);
35extern void
36radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
37 struct drm_connector *drm_connector);
38
39
Dave Airlie1f3b6a42009-10-13 14:10:37 +100040static 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;
Alex Deucherbcc1c2a2010-01-12 17:54:34 -050058
Dave Airlie1f3b6a42009-10-13 14:10:37 +100059 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
76void 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
Jerome Glisse771fe6b2009-06-05 14:42:42 +020085uint32_t
Alex Deucher5137ee92010-08-12 18:58:47 -040086radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
Jerome Glisse771fe6b2009-06-05 14:42:42 +020087{
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))
Alex Deucher5137ee92010-08-12 18:58:47 -0400102 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200103 else if (ASIC_IS_AVIVO(rdev))
Alex Deucher5137ee92010-08-12 18:58:47 -0400104 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200105 else
Alex Deucher5137ee92010-08-12 18:58:47 -0400106 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200107 break;
108 case 2: /* dac b */
109 if (ASIC_IS_AVIVO(rdev))
Alex Deucher5137ee92010-08-12 18:58:47 -0400110 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200111 else {
112 /*if (rdev->family == CHIP_R200)
Alex Deucher5137ee92010-08-12 18:58:47 -0400113 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200114 else*/
Alex Deucher5137ee92010-08-12 18:58:47 -0400115 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200116 }
117 break;
118 case 3: /* external dac */
119 if (ASIC_IS_AVIVO(rdev))
Alex Deucher5137ee92010-08-12 18:58:47 -0400120 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200121 else
Alex Deucher5137ee92010-08-12 18:58:47 -0400122 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200123 break;
124 }
125 break;
126 case ATOM_DEVICE_LCD1_SUPPORT:
127 if (ASIC_IS_AVIVO(rdev))
Alex Deucher5137ee92010-08-12 18:58:47 -0400128 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200129 else
Alex Deucher5137ee92010-08-12 18:58:47 -0400130 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200131 break;
132 case ATOM_DEVICE_DFP1_SUPPORT:
133 if ((rdev->family == CHIP_RS300) ||
134 (rdev->family == CHIP_RS400) ||
135 (rdev->family == CHIP_RS480))
Alex Deucher5137ee92010-08-12 18:58:47 -0400136 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200137 else if (ASIC_IS_AVIVO(rdev))
Alex Deucher5137ee92010-08-12 18:58:47 -0400138 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200139 else
Alex Deucher5137ee92010-08-12 18:58:47 -0400140 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200141 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))
Alex Deucher5137ee92010-08-12 18:58:47 -0400147 ret = ENCODER_INTERNAL_DDI_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200148 else if (ASIC_IS_AVIVO(rdev))
Alex Deucher5137ee92010-08-12 18:58:47 -0400149 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200150 else
Alex Deucher5137ee92010-08-12 18:58:47 -0400151 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200152 break;
153 case ATOM_DEVICE_DFP3_SUPPORT:
Alex Deucher5137ee92010-08-12 18:58:47 -0400154 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200155 break;
156 }
157
158 return ret;
159}
160
161void
162radeon_link_encoder_connector(struct drm_device *dev)
163{
Alex Deucherf3728732012-07-26 11:32:03 -0400164 struct radeon_device *rdev = dev->dev_private;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200165 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);
Alex Deucherf3728732012-07-26 11:32:03 -0400175 if (radeon_encoder->devices & radeon_connector->devices) {
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200176 drm_mode_connector_attach_encoder(connector, encoder);
Alex Deucherf3728732012-07-26 11:32:03 -0400177 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);
Alex Deucherbced76f2012-09-14 09:45:50 -0400182 rdev->mode_info.bl_encoder = radeon_encoder;
Alex Deucherf3728732012-07-26 11:32:03 -0400183 }
184 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200185 }
186 }
187}
188
Dave Airlie4ce001a2009-08-13 16:32:14 +1000189void 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;
Dave Airlied9fdaaf2010-08-02 10:42:55 +1000199 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
Dave Airlief641e512009-09-08 11:17:38 +1000200 radeon_encoder->active_device, radeon_encoder->devices,
201 radeon_connector->devices, encoder->encoder_type);
Dave Airlie4ce001a2009-08-13 16:32:14 +1000202 }
203 }
204}
205
Alex Deucher5b1714d2010-08-03 19:59:20 -0400206struct drm_connector *
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200207radeon_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);
Dave Airlie43c33ed2010-01-29 15:55:30 +1000216 if (radeon_encoder->active_device & radeon_connector->devices)
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200217 return connector;
218 }
219 return NULL;
220}
221
Alex Deucher9aa59992012-01-20 15:03:30 -0500222struct drm_connector *
223radeon_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
Alex Deucher3f03ced2011-10-30 17:20:22 -0400238struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder)
Alex Deucher3e4b9982010-11-16 12:09:42 -0500239{
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
Alex Deucher1d33e1f2011-10-31 08:58:47 -0400259u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
Alex Deucherd7fa8bb2011-05-20 04:34:21 -0400260{
Alex Deucher3f03ced2011-10-30 17:20:22 -0400261 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder);
Alex Deucherd7fa8bb2011-05-20 04:34:21 -0400262
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:
Alex Deucherdc87cd52011-12-02 18:15:27 -0500269 return radeon_encoder->encoder_id;
Alex Deucherd7fa8bb2011-05-20 04:34:21 -0400270 default:
Alex Deucherdc87cd52011-12-02 18:15:27 -0500271 return ENCODER_OBJECT_ID_NONE;
Alex Deucherd7fa8bb2011-05-20 04:34:21 -0400272 }
273 }
Alex Deucherdc87cd52011-12-02 18:15:27 -0500274 return ENCODER_OBJECT_ID_NONE;
Alex Deucherd7fa8bb2011-05-20 04:34:21 -0400275}
276
Alex Deucher35153872010-04-30 12:00:44 -0400277void 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
Alex Deucher9aa59992012-01-20 15:03:30 -0500324bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
325 u32 pixel_clock)
326{
Alex Deucher1b2681b2012-03-20 17:18:42 -0400327 struct drm_device *dev = encoder->dev;
328 struct radeon_device *rdev = dev->dev_private;
Alex Deucher9aa59992012-01-20 15:03:30 -0500329 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 */
Alex Deucher1b2681b2012-03-20 17:18:42 -0400346 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
Alex Deucher9aa59992012-01-20 15:03:30 -0500347 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 */
Alex Deucher1b2681b2012-03-20 17:18:42 -0400368 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
Alex Deucher9aa59992012-01-20 15:03:30 -0500369 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