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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 <linux/pci.h>
28
29#include <drm/drm_crtc_helper.h>
30#include <drm/drm_device.h>
31#include <drm/radeon_drm.h>
32
33#include <acpi/video.h>
34
35#include "radeon.h"
36#include "radeon_atombios.h"
37#include "radeon_legacy_encoders.h"
38#include "atom.h"
39
40static 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
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
85uint32_t
86radeon_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
161static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
162 struct drm_connector *connector)
163{
164 struct drm_device *dev = radeon_encoder->base.dev;
165 struct radeon_device *rdev = dev->dev_private;
166 bool use_bl = false;
167
168 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)))
169 return;
170
171 if (radeon_backlight == 0) {
172 use_bl = false;
173 } else if (radeon_backlight == 1) {
174 use_bl = true;
175 } else if (radeon_backlight == -1) {
176 /* Quirks */
177 /* Amilo Xi 2550 only works with acpi bl */
178 if ((rdev->pdev->device == 0x9583) &&
179 (rdev->pdev->subsystem_vendor == 0x1734) &&
180 (rdev->pdev->subsystem_device == 0x1107))
181 use_bl = false;
182/* Older PPC macs use on-GPU backlight controller */
183#ifndef CONFIG_PPC_PMAC
184 /* disable native backlight control on older asics */
185 else if (rdev->family < CHIP_R600)
186 use_bl = false;
187#endif
188 else
189 use_bl = true;
190 }
191
192 if (use_bl) {
193 if (rdev->is_atom_bios)
194 radeon_atom_backlight_init(radeon_encoder, connector);
195 else
196 radeon_legacy_backlight_init(radeon_encoder, connector);
197 }
198
199 /*
200 * If there is no native backlight device (which may happen even when
201 * use_bl==true) try registering an ACPI video backlight device instead.
202 */
203 if (!rdev->mode_info.bl_encoder)
204 acpi_video_register_backlight();
205}
206
207void
208radeon_link_encoder_connector(struct drm_device *dev)
209{
210 struct drm_connector *connector;
211 struct radeon_connector *radeon_connector;
212 struct drm_encoder *encoder;
213 struct radeon_encoder *radeon_encoder;
214
215 /* walk the list and link encoders to connectors */
216 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
217 radeon_connector = to_radeon_connector(connector);
218 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
219 radeon_encoder = to_radeon_encoder(encoder);
220 if (radeon_encoder->devices & radeon_connector->devices) {
221 drm_connector_attach_encoder(connector, encoder);
222 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
223 radeon_encoder_add_backlight(radeon_encoder, connector);
224 }
225 }
226 }
227}
228
229void radeon_encoder_set_active_device(struct drm_encoder *encoder)
230{
231 struct drm_device *dev = encoder->dev;
232 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
233 struct drm_connector *connector;
234
235 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
236 if (connector->encoder == encoder) {
237 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
238 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices;
239 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
240 radeon_encoder->active_device, radeon_encoder->devices,
241 radeon_connector->devices, encoder->encoder_type);
242 }
243 }
244}
245
246struct drm_connector *
247radeon_get_connector_for_encoder(struct drm_encoder *encoder)
248{
249 struct drm_device *dev = encoder->dev;
250 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
251 struct drm_connector *connector;
252 struct radeon_connector *radeon_connector;
253
254 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
255 radeon_connector = to_radeon_connector(connector);
256 if (radeon_encoder->active_device & radeon_connector->devices)
257 return connector;
258 }
259 return NULL;
260}
261
262struct drm_connector *
263radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
264{
265 struct drm_device *dev = encoder->dev;
266 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
267 struct drm_connector *connector;
268 struct radeon_connector *radeon_connector;
269
270 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
271 radeon_connector = to_radeon_connector(connector);
272 if (radeon_encoder->devices & radeon_connector->devices)
273 return connector;
274 }
275 return NULL;
276}
277
278struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder)
279{
280 struct drm_device *dev = encoder->dev;
281 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
282 struct drm_encoder *other_encoder;
283 struct radeon_encoder *other_radeon_encoder;
284
285 if (radeon_encoder->is_ext_encoder)
286 return NULL;
287
288 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
289 if (other_encoder == encoder)
290 continue;
291 other_radeon_encoder = to_radeon_encoder(other_encoder);
292 if (other_radeon_encoder->is_ext_encoder &&
293 (radeon_encoder->devices & other_radeon_encoder->devices))
294 return other_encoder;
295 }
296 return NULL;
297}
298
299u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
300{
301 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder);
302
303 if (other_encoder) {
304 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);
305
306 switch (radeon_encoder->encoder_id) {
307 case ENCODER_OBJECT_ID_TRAVIS:
308 case ENCODER_OBJECT_ID_NUTMEG:
309 return radeon_encoder->encoder_id;
310 default:
311 return ENCODER_OBJECT_ID_NONE;
312 }
313 }
314 return ENCODER_OBJECT_ID_NONE;
315}
316
317void radeon_panel_mode_fixup(struct drm_encoder *encoder,
318 struct drm_display_mode *adjusted_mode)
319{
320 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
321 struct drm_device *dev = encoder->dev;
322 struct radeon_device *rdev = dev->dev_private;
323 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
324 unsigned hblank = native_mode->htotal - native_mode->hdisplay;
325 unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
326 unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
327 unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
328 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
329 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
330
331 adjusted_mode->clock = native_mode->clock;
332 adjusted_mode->flags = native_mode->flags;
333
334 if (ASIC_IS_AVIVO(rdev)) {
335 adjusted_mode->hdisplay = native_mode->hdisplay;
336 adjusted_mode->vdisplay = native_mode->vdisplay;
337 }
338
339 adjusted_mode->htotal = native_mode->hdisplay + hblank;
340 adjusted_mode->hsync_start = native_mode->hdisplay + hover;
341 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
342
343 adjusted_mode->vtotal = native_mode->vdisplay + vblank;
344 adjusted_mode->vsync_start = native_mode->vdisplay + vover;
345 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
346
347 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
348
349 if (ASIC_IS_AVIVO(rdev)) {
350 adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
351 adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
352 }
353
354 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
355 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
356 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
357
358 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
359 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
360 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
361
362}
363
364bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
365 u32 pixel_clock)
366{
367 struct drm_device *dev = encoder->dev;
368 struct radeon_device *rdev = dev->dev_private;
369 struct drm_connector *connector;
370 struct radeon_connector *radeon_connector;
371 struct radeon_connector_atom_dig *dig_connector;
372
373 connector = radeon_get_connector_for_encoder(encoder);
374 /* if we don't have an active device yet, just use one of
375 * the connectors tied to the encoder.
376 */
377 if (!connector)
378 connector = radeon_get_connector_for_encoder_init(encoder);
379 radeon_connector = to_radeon_connector(connector);
380
381 switch (connector->connector_type) {
382 case DRM_MODE_CONNECTOR_DVII:
383 case DRM_MODE_CONNECTOR_HDMIB:
384 if (radeon_connector->use_digital) {
385 /* HDMI 1.3 supports up to 340 Mhz over single link */
386 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
387 if (pixel_clock > 340000)
388 return true;
389 else
390 return false;
391 } else {
392 if (pixel_clock > 165000)
393 return true;
394 else
395 return false;
396 }
397 } else
398 return false;
399 case DRM_MODE_CONNECTOR_DVID:
400 case DRM_MODE_CONNECTOR_HDMIA:
401 case DRM_MODE_CONNECTOR_DisplayPort:
402 dig_connector = radeon_connector->con_priv;
403 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
404 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
405 return false;
406 else {
407 /* HDMI 1.3 supports up to 340 Mhz over single link */
408 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
409 if (pixel_clock > 340000)
410 return true;
411 else
412 return false;
413 } else {
414 if (pixel_clock > 165000)
415 return true;
416 else
417 return false;
418 }
419 }
420 default:
421 return false;
422 }
423}
424
425bool radeon_encoder_is_digital(struct drm_encoder *encoder)
426{
427 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
428 switch (radeon_encoder->encoder_id) {
429 case ENCODER_OBJECT_ID_INTERNAL_LVDS:
430 case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
431 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
432 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
433 case ENCODER_OBJECT_ID_INTERNAL_DVO1:
434 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
435 case ENCODER_OBJECT_ID_INTERNAL_DDI:
436 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
437 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
438 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
439 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
440 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
441 return true;
442 default:
443 return false;
444 }
445}
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 <linux/pci.h>
28
29#include <drm/drm_crtc_helper.h>
30#include <drm/drm_device.h>
31#include <drm/radeon_drm.h>
32
33#include "radeon.h"
34#include "radeon_atombios.h"
35#include "radeon_legacy_encoders.h"
36#include "atom.h"
37
38static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
39{
40 struct drm_device *dev = encoder->dev;
41 struct radeon_device *rdev = dev->dev_private;
42 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
43 struct drm_encoder *clone_encoder;
44 uint32_t index_mask = 0;
45 int count;
46
47 /* DIG routing gets problematic */
48 if (rdev->family >= CHIP_R600)
49 return index_mask;
50 /* LVDS/TV are too wacky */
51 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
52 return index_mask;
53 /* DVO requires 2x ppll clocks depending on tmds chip */
54 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT)
55 return index_mask;
56
57 count = -1;
58 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
59 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
60 count++;
61
62 if (clone_encoder == encoder)
63 continue;
64 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT))
65 continue;
66 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT)
67 continue;
68 else
69 index_mask |= (1 << count);
70 }
71 return index_mask;
72}
73
74void radeon_setup_encoder_clones(struct drm_device *dev)
75{
76 struct drm_encoder *encoder;
77
78 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
79 encoder->possible_clones = radeon_encoder_clones(encoder);
80 }
81}
82
83uint32_t
84radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac)
85{
86 struct radeon_device *rdev = dev->dev_private;
87 uint32_t ret = 0;
88
89 switch (supported_device) {
90 case ATOM_DEVICE_CRT1_SUPPORT:
91 case ATOM_DEVICE_TV1_SUPPORT:
92 case ATOM_DEVICE_TV2_SUPPORT:
93 case ATOM_DEVICE_CRT2_SUPPORT:
94 case ATOM_DEVICE_CV_SUPPORT:
95 switch (dac) {
96 case 1: /* dac a */
97 if ((rdev->family == CHIP_RS300) ||
98 (rdev->family == CHIP_RS400) ||
99 (rdev->family == CHIP_RS480))
100 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
101 else if (ASIC_IS_AVIVO(rdev))
102 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1;
103 else
104 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1;
105 break;
106 case 2: /* dac b */
107 if (ASIC_IS_AVIVO(rdev))
108 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1;
109 else {
110 /*if (rdev->family == CHIP_R200)
111 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
112 else*/
113 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1;
114 }
115 break;
116 case 3: /* external dac */
117 if (ASIC_IS_AVIVO(rdev))
118 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
119 else
120 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
121 break;
122 }
123 break;
124 case ATOM_DEVICE_LCD1_SUPPORT:
125 if (ASIC_IS_AVIVO(rdev))
126 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
127 else
128 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1;
129 break;
130 case ATOM_DEVICE_DFP1_SUPPORT:
131 if ((rdev->family == CHIP_RS300) ||
132 (rdev->family == CHIP_RS400) ||
133 (rdev->family == CHIP_RS480))
134 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
135 else if (ASIC_IS_AVIVO(rdev))
136 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1;
137 else
138 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1;
139 break;
140 case ATOM_DEVICE_LCD2_SUPPORT:
141 case ATOM_DEVICE_DFP2_SUPPORT:
142 if ((rdev->family == CHIP_RS600) ||
143 (rdev->family == CHIP_RS690) ||
144 (rdev->family == CHIP_RS740))
145 ret = ENCODER_INTERNAL_DDI_ENUM_ID1;
146 else if (ASIC_IS_AVIVO(rdev))
147 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1;
148 else
149 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1;
150 break;
151 case ATOM_DEVICE_DFP3_SUPPORT:
152 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1;
153 break;
154 }
155
156 return ret;
157}
158
159static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
160 struct drm_connector *connector)
161{
162 struct drm_device *dev = radeon_encoder->base.dev;
163 struct radeon_device *rdev = dev->dev_private;
164 bool use_bl = false;
165
166 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)))
167 return;
168
169 if (radeon_backlight == 0) {
170 return;
171 } else if (radeon_backlight == 1) {
172 use_bl = true;
173 } else if (radeon_backlight == -1) {
174 /* Quirks */
175 /* Amilo Xi 2550 only works with acpi bl */
176 if ((rdev->pdev->device == 0x9583) &&
177 (rdev->pdev->subsystem_vendor == 0x1734) &&
178 (rdev->pdev->subsystem_device == 0x1107))
179 use_bl = false;
180/* Older PPC macs use on-GPU backlight controller */
181#ifndef CONFIG_PPC_PMAC
182 /* disable native backlight control on older asics */
183 else if (rdev->family < CHIP_R600)
184 use_bl = false;
185#endif
186 else
187 use_bl = true;
188 }
189
190 if (use_bl) {
191 if (rdev->is_atom_bios)
192 radeon_atom_backlight_init(radeon_encoder, connector);
193 else
194 radeon_legacy_backlight_init(radeon_encoder, connector);
195 }
196}
197
198void
199radeon_link_encoder_connector(struct drm_device *dev)
200{
201 struct drm_connector *connector;
202 struct radeon_connector *radeon_connector;
203 struct drm_encoder *encoder;
204 struct radeon_encoder *radeon_encoder;
205
206 /* walk the list and link encoders to connectors */
207 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
208 radeon_connector = to_radeon_connector(connector);
209 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
210 radeon_encoder = to_radeon_encoder(encoder);
211 if (radeon_encoder->devices & radeon_connector->devices) {
212 drm_connector_attach_encoder(connector, encoder);
213 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
214 radeon_encoder_add_backlight(radeon_encoder, connector);
215 }
216 }
217 }
218}
219
220void radeon_encoder_set_active_device(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
226 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
227 if (connector->encoder == encoder) {
228 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
229 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices;
230 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n",
231 radeon_encoder->active_device, radeon_encoder->devices,
232 radeon_connector->devices, encoder->encoder_type);
233 }
234 }
235}
236
237struct drm_connector *
238radeon_get_connector_for_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_connector *connector;
243 struct radeon_connector *radeon_connector;
244
245 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
246 radeon_connector = to_radeon_connector(connector);
247 if (radeon_encoder->is_mst_encoder) {
248 struct radeon_encoder_mst *mst_enc;
249
250 if (!radeon_connector->is_mst_connector)
251 continue;
252
253 mst_enc = radeon_encoder->enc_priv;
254 if (mst_enc->connector == radeon_connector->mst_port)
255 return connector;
256 } else if (radeon_encoder->active_device & radeon_connector->devices)
257 return connector;
258 }
259 return NULL;
260}
261
262struct drm_connector *
263radeon_get_connector_for_encoder_init(struct drm_encoder *encoder)
264{
265 struct drm_device *dev = encoder->dev;
266 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
267 struct drm_connector *connector;
268 struct radeon_connector *radeon_connector;
269
270 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
271 radeon_connector = to_radeon_connector(connector);
272 if (radeon_encoder->devices & radeon_connector->devices)
273 return connector;
274 }
275 return NULL;
276}
277
278struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder)
279{
280 struct drm_device *dev = encoder->dev;
281 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
282 struct drm_encoder *other_encoder;
283 struct radeon_encoder *other_radeon_encoder;
284
285 if (radeon_encoder->is_ext_encoder)
286 return NULL;
287
288 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
289 if (other_encoder == encoder)
290 continue;
291 other_radeon_encoder = to_radeon_encoder(other_encoder);
292 if (other_radeon_encoder->is_ext_encoder &&
293 (radeon_encoder->devices & other_radeon_encoder->devices))
294 return other_encoder;
295 }
296 return NULL;
297}
298
299u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder)
300{
301 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder);
302
303 if (other_encoder) {
304 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder);
305
306 switch (radeon_encoder->encoder_id) {
307 case ENCODER_OBJECT_ID_TRAVIS:
308 case ENCODER_OBJECT_ID_NUTMEG:
309 return radeon_encoder->encoder_id;
310 default:
311 return ENCODER_OBJECT_ID_NONE;
312 }
313 }
314 return ENCODER_OBJECT_ID_NONE;
315}
316
317void radeon_panel_mode_fixup(struct drm_encoder *encoder,
318 struct drm_display_mode *adjusted_mode)
319{
320 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
321 struct drm_device *dev = encoder->dev;
322 struct radeon_device *rdev = dev->dev_private;
323 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
324 unsigned hblank = native_mode->htotal - native_mode->hdisplay;
325 unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
326 unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
327 unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
328 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
329 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
330
331 adjusted_mode->clock = native_mode->clock;
332 adjusted_mode->flags = native_mode->flags;
333
334 if (ASIC_IS_AVIVO(rdev)) {
335 adjusted_mode->hdisplay = native_mode->hdisplay;
336 adjusted_mode->vdisplay = native_mode->vdisplay;
337 }
338
339 adjusted_mode->htotal = native_mode->hdisplay + hblank;
340 adjusted_mode->hsync_start = native_mode->hdisplay + hover;
341 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
342
343 adjusted_mode->vtotal = native_mode->vdisplay + vblank;
344 adjusted_mode->vsync_start = native_mode->vdisplay + vover;
345 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
346
347 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
348
349 if (ASIC_IS_AVIVO(rdev)) {
350 adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
351 adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
352 }
353
354 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
355 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
356 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
357
358 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
359 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
360 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
361
362}
363
364bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
365 u32 pixel_clock)
366{
367 struct drm_device *dev = encoder->dev;
368 struct radeon_device *rdev = dev->dev_private;
369 struct drm_connector *connector;
370 struct radeon_connector *radeon_connector;
371 struct radeon_connector_atom_dig *dig_connector;
372
373 connector = radeon_get_connector_for_encoder(encoder);
374 /* if we don't have an active device yet, just use one of
375 * the connectors tied to the encoder.
376 */
377 if (!connector)
378 connector = radeon_get_connector_for_encoder_init(encoder);
379 radeon_connector = to_radeon_connector(connector);
380
381 switch (connector->connector_type) {
382 case DRM_MODE_CONNECTOR_DVII:
383 case DRM_MODE_CONNECTOR_HDMIB:
384 if (radeon_connector->use_digital) {
385 /* HDMI 1.3 supports up to 340 Mhz over single link */
386 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
387 if (pixel_clock > 340000)
388 return true;
389 else
390 return false;
391 } else {
392 if (pixel_clock > 165000)
393 return true;
394 else
395 return false;
396 }
397 } else
398 return false;
399 case DRM_MODE_CONNECTOR_DVID:
400 case DRM_MODE_CONNECTOR_HDMIA:
401 case DRM_MODE_CONNECTOR_DisplayPort:
402 if (radeon_connector->is_mst_connector)
403 return false;
404
405 dig_connector = radeon_connector->con_priv;
406 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
407 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
408 return false;
409 else {
410 /* HDMI 1.3 supports up to 340 Mhz over single link */
411 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
412 if (pixel_clock > 340000)
413 return true;
414 else
415 return false;
416 } else {
417 if (pixel_clock > 165000)
418 return true;
419 else
420 return false;
421 }
422 }
423 default:
424 return false;
425 }
426}
427
428bool radeon_encoder_is_digital(struct drm_encoder *encoder)
429{
430 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
431 switch (radeon_encoder->encoder_id) {
432 case ENCODER_OBJECT_ID_INTERNAL_LVDS:
433 case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
434 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
435 case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
436 case ENCODER_OBJECT_ID_INTERNAL_DVO1:
437 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
438 case ENCODER_OBJECT_ID_INTERNAL_DDI:
439 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
440 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
441 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
442 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
443 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
444 return true;
445 default:
446 return false;
447 }
448}