2 * Copyright 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright © 2006-2009 Intel Corporation
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:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
25 * Eric Anholt <eric@anholt.net>
26 * Jesse Barnes <jesse.barnes@intel.com>
29 #include <linux/i2c.h>
30 #include <linux/slab.h>
31 #include <linux/delay.h>
32 #include <linux/hdmi.h>
34 #include <drm/drm_atomic_helper.h>
35 #include <drm/drm_crtc.h>
36 #include <drm/drm_edid.h>
37 #include "intel_drv.h"
38 #include <drm/i915_drm.h>
41 static struct drm_device
*intel_hdmi_to_dev(struct intel_hdmi
*intel_hdmi
)
43 return hdmi_to_dig_port(intel_hdmi
)->base
.base
.dev
;
47 assert_hdmi_port_disabled(struct intel_hdmi
*intel_hdmi
)
49 struct drm_device
*dev
= intel_hdmi_to_dev(intel_hdmi
);
50 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
51 uint32_t enabled_bits
;
53 enabled_bits
= HAS_DDI(dev
) ? DDI_BUF_CTL_ENABLE
: SDVO_ENABLE
;
55 WARN(I915_READ(intel_hdmi
->hdmi_reg
) & enabled_bits
,
56 "HDMI port enabled, expecting disabled\n");
59 struct intel_hdmi
*enc_to_intel_hdmi(struct drm_encoder
*encoder
)
61 struct intel_digital_port
*intel_dig_port
=
62 container_of(encoder
, struct intel_digital_port
, base
.base
);
63 return &intel_dig_port
->hdmi
;
66 static struct intel_hdmi
*intel_attached_hdmi(struct drm_connector
*connector
)
68 return enc_to_intel_hdmi(&intel_attached_encoder(connector
)->base
);
71 static u32
g4x_infoframe_index(enum hdmi_infoframe_type type
)
74 case HDMI_INFOFRAME_TYPE_AVI
:
75 return VIDEO_DIP_SELECT_AVI
;
76 case HDMI_INFOFRAME_TYPE_SPD
:
77 return VIDEO_DIP_SELECT_SPD
;
78 case HDMI_INFOFRAME_TYPE_VENDOR
:
79 return VIDEO_DIP_SELECT_VENDOR
;
81 DRM_DEBUG_DRIVER("unknown info frame type %d\n", type
);
86 static u32
g4x_infoframe_enable(enum hdmi_infoframe_type type
)
89 case HDMI_INFOFRAME_TYPE_AVI
:
90 return VIDEO_DIP_ENABLE_AVI
;
91 case HDMI_INFOFRAME_TYPE_SPD
:
92 return VIDEO_DIP_ENABLE_SPD
;
93 case HDMI_INFOFRAME_TYPE_VENDOR
:
94 return VIDEO_DIP_ENABLE_VENDOR
;
96 DRM_DEBUG_DRIVER("unknown info frame type %d\n", type
);
101 static u32
hsw_infoframe_enable(enum hdmi_infoframe_type type
)
104 case HDMI_INFOFRAME_TYPE_AVI
:
105 return VIDEO_DIP_ENABLE_AVI_HSW
;
106 case HDMI_INFOFRAME_TYPE_SPD
:
107 return VIDEO_DIP_ENABLE_SPD_HSW
;
108 case HDMI_INFOFRAME_TYPE_VENDOR
:
109 return VIDEO_DIP_ENABLE_VS_HSW
;
111 DRM_DEBUG_DRIVER("unknown info frame type %d\n", type
);
116 static u32
hsw_infoframe_data_reg(enum hdmi_infoframe_type type
,
117 enum transcoder cpu_transcoder
,
118 struct drm_i915_private
*dev_priv
)
121 case HDMI_INFOFRAME_TYPE_AVI
:
122 return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder
);
123 case HDMI_INFOFRAME_TYPE_SPD
:
124 return HSW_TVIDEO_DIP_SPD_DATA(cpu_transcoder
);
125 case HDMI_INFOFRAME_TYPE_VENDOR
:
126 return HSW_TVIDEO_DIP_VS_DATA(cpu_transcoder
);
128 DRM_DEBUG_DRIVER("unknown info frame type %d\n", type
);
133 static void g4x_write_infoframe(struct drm_encoder
*encoder
,
134 enum hdmi_infoframe_type type
,
135 const void *frame
, ssize_t len
)
137 const uint32_t *data
= frame
;
138 struct drm_device
*dev
= encoder
->dev
;
139 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
140 u32 val
= I915_READ(VIDEO_DIP_CTL
);
143 WARN(!(val
& VIDEO_DIP_ENABLE
), "Writing DIP with CTL reg disabled\n");
145 val
&= ~(VIDEO_DIP_SELECT_MASK
| 0xf); /* clear DIP data offset */
146 val
|= g4x_infoframe_index(type
);
148 val
&= ~g4x_infoframe_enable(type
);
150 I915_WRITE(VIDEO_DIP_CTL
, val
);
153 for (i
= 0; i
< len
; i
+= 4) {
154 I915_WRITE(VIDEO_DIP_DATA
, *data
);
157 /* Write every possible data byte to force correct ECC calculation. */
158 for (; i
< VIDEO_DIP_DATA_SIZE
; i
+= 4)
159 I915_WRITE(VIDEO_DIP_DATA
, 0);
162 val
|= g4x_infoframe_enable(type
);
163 val
&= ~VIDEO_DIP_FREQ_MASK
;
164 val
|= VIDEO_DIP_FREQ_VSYNC
;
166 I915_WRITE(VIDEO_DIP_CTL
, val
);
167 POSTING_READ(VIDEO_DIP_CTL
);
170 static bool g4x_infoframe_enabled(struct drm_encoder
*encoder
)
172 struct drm_device
*dev
= encoder
->dev
;
173 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
174 struct intel_digital_port
*intel_dig_port
= enc_to_dig_port(encoder
);
175 u32 val
= I915_READ(VIDEO_DIP_CTL
);
177 if (VIDEO_DIP_PORT(intel_dig_port
->port
) == (val
& VIDEO_DIP_PORT_MASK
))
178 return val
& VIDEO_DIP_ENABLE
;
183 static void ibx_write_infoframe(struct drm_encoder
*encoder
,
184 enum hdmi_infoframe_type type
,
185 const void *frame
, ssize_t len
)
187 const uint32_t *data
= frame
;
188 struct drm_device
*dev
= encoder
->dev
;
189 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
190 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
191 int i
, reg
= TVIDEO_DIP_CTL(intel_crtc
->pipe
);
192 u32 val
= I915_READ(reg
);
194 WARN(!(val
& VIDEO_DIP_ENABLE
), "Writing DIP with CTL reg disabled\n");
196 val
&= ~(VIDEO_DIP_SELECT_MASK
| 0xf); /* clear DIP data offset */
197 val
|= g4x_infoframe_index(type
);
199 val
&= ~g4x_infoframe_enable(type
);
201 I915_WRITE(reg
, val
);
204 for (i
= 0; i
< len
; i
+= 4) {
205 I915_WRITE(TVIDEO_DIP_DATA(intel_crtc
->pipe
), *data
);
208 /* Write every possible data byte to force correct ECC calculation. */
209 for (; i
< VIDEO_DIP_DATA_SIZE
; i
+= 4)
210 I915_WRITE(TVIDEO_DIP_DATA(intel_crtc
->pipe
), 0);
213 val
|= g4x_infoframe_enable(type
);
214 val
&= ~VIDEO_DIP_FREQ_MASK
;
215 val
|= VIDEO_DIP_FREQ_VSYNC
;
217 I915_WRITE(reg
, val
);
221 static bool ibx_infoframe_enabled(struct drm_encoder
*encoder
)
223 struct drm_device
*dev
= encoder
->dev
;
224 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
225 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
226 int reg
= TVIDEO_DIP_CTL(intel_crtc
->pipe
);
227 u32 val
= I915_READ(reg
);
229 return val
& VIDEO_DIP_ENABLE
;
232 static void cpt_write_infoframe(struct drm_encoder
*encoder
,
233 enum hdmi_infoframe_type type
,
234 const void *frame
, ssize_t len
)
236 const uint32_t *data
= frame
;
237 struct drm_device
*dev
= encoder
->dev
;
238 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
239 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
240 int i
, reg
= TVIDEO_DIP_CTL(intel_crtc
->pipe
);
241 u32 val
= I915_READ(reg
);
243 WARN(!(val
& VIDEO_DIP_ENABLE
), "Writing DIP with CTL reg disabled\n");
245 val
&= ~(VIDEO_DIP_SELECT_MASK
| 0xf); /* clear DIP data offset */
246 val
|= g4x_infoframe_index(type
);
248 /* The DIP control register spec says that we need to update the AVI
249 * infoframe without clearing its enable bit */
250 if (type
!= HDMI_INFOFRAME_TYPE_AVI
)
251 val
&= ~g4x_infoframe_enable(type
);
253 I915_WRITE(reg
, val
);
256 for (i
= 0; i
< len
; i
+= 4) {
257 I915_WRITE(TVIDEO_DIP_DATA(intel_crtc
->pipe
), *data
);
260 /* Write every possible data byte to force correct ECC calculation. */
261 for (; i
< VIDEO_DIP_DATA_SIZE
; i
+= 4)
262 I915_WRITE(TVIDEO_DIP_DATA(intel_crtc
->pipe
), 0);
265 val
|= g4x_infoframe_enable(type
);
266 val
&= ~VIDEO_DIP_FREQ_MASK
;
267 val
|= VIDEO_DIP_FREQ_VSYNC
;
269 I915_WRITE(reg
, val
);
273 static bool cpt_infoframe_enabled(struct drm_encoder
*encoder
)
275 struct drm_device
*dev
= encoder
->dev
;
276 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
277 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
278 int reg
= TVIDEO_DIP_CTL(intel_crtc
->pipe
);
279 u32 val
= I915_READ(reg
);
281 return val
& VIDEO_DIP_ENABLE
;
284 static void vlv_write_infoframe(struct drm_encoder
*encoder
,
285 enum hdmi_infoframe_type type
,
286 const void *frame
, ssize_t len
)
288 const uint32_t *data
= frame
;
289 struct drm_device
*dev
= encoder
->dev
;
290 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
291 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
292 int i
, reg
= VLV_TVIDEO_DIP_CTL(intel_crtc
->pipe
);
293 u32 val
= I915_READ(reg
);
295 WARN(!(val
& VIDEO_DIP_ENABLE
), "Writing DIP with CTL reg disabled\n");
297 val
&= ~(VIDEO_DIP_SELECT_MASK
| 0xf); /* clear DIP data offset */
298 val
|= g4x_infoframe_index(type
);
300 val
&= ~g4x_infoframe_enable(type
);
302 I915_WRITE(reg
, val
);
305 for (i
= 0; i
< len
; i
+= 4) {
306 I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc
->pipe
), *data
);
309 /* Write every possible data byte to force correct ECC calculation. */
310 for (; i
< VIDEO_DIP_DATA_SIZE
; i
+= 4)
311 I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc
->pipe
), 0);
314 val
|= g4x_infoframe_enable(type
);
315 val
&= ~VIDEO_DIP_FREQ_MASK
;
316 val
|= VIDEO_DIP_FREQ_VSYNC
;
318 I915_WRITE(reg
, val
);
322 static bool vlv_infoframe_enabled(struct drm_encoder
*encoder
)
324 struct drm_device
*dev
= encoder
->dev
;
325 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
326 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
327 int reg
= VLV_TVIDEO_DIP_CTL(intel_crtc
->pipe
);
328 u32 val
= I915_READ(reg
);
330 return val
& VIDEO_DIP_ENABLE
;
333 static void hsw_write_infoframe(struct drm_encoder
*encoder
,
334 enum hdmi_infoframe_type type
,
335 const void *frame
, ssize_t len
)
337 const uint32_t *data
= frame
;
338 struct drm_device
*dev
= encoder
->dev
;
339 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
340 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
341 u32 ctl_reg
= HSW_TVIDEO_DIP_CTL(intel_crtc
->config
->cpu_transcoder
);
344 u32 val
= I915_READ(ctl_reg
);
346 data_reg
= hsw_infoframe_data_reg(type
,
347 intel_crtc
->config
->cpu_transcoder
,
352 val
&= ~hsw_infoframe_enable(type
);
353 I915_WRITE(ctl_reg
, val
);
356 for (i
= 0; i
< len
; i
+= 4) {
357 I915_WRITE(data_reg
+ i
, *data
);
360 /* Write every possible data byte to force correct ECC calculation. */
361 for (; i
< VIDEO_DIP_DATA_SIZE
; i
+= 4)
362 I915_WRITE(data_reg
+ i
, 0);
365 val
|= hsw_infoframe_enable(type
);
366 I915_WRITE(ctl_reg
, val
);
367 POSTING_READ(ctl_reg
);
370 static bool hsw_infoframe_enabled(struct drm_encoder
*encoder
)
372 struct drm_device
*dev
= encoder
->dev
;
373 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
374 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
375 u32 ctl_reg
= HSW_TVIDEO_DIP_CTL(intel_crtc
->config
->cpu_transcoder
);
376 u32 val
= I915_READ(ctl_reg
);
378 return val
& (VIDEO_DIP_ENABLE_AVI_HSW
| VIDEO_DIP_ENABLE_SPD_HSW
|
379 VIDEO_DIP_ENABLE_VS_HSW
);
383 * The data we write to the DIP data buffer registers is 1 byte bigger than the
384 * HDMI infoframe size because of an ECC/reserved byte at position 3 (starting
385 * at 0). It's also a byte used by DisplayPort so the same DIP registers can be
386 * used for both technologies.
388 * DW0: Reserved/ECC/DP | HB2 | HB1 | HB0
389 * DW1: DB3 | DB2 | DB1 | DB0
390 * DW2: DB7 | DB6 | DB5 | DB4
393 * (HB is Header Byte, DB is Data Byte)
395 * The hdmi pack() functions don't know about that hardware specific hole so we
396 * trick them by giving an offset into the buffer and moving back the header
399 static void intel_write_infoframe(struct drm_encoder
*encoder
,
400 union hdmi_infoframe
*frame
)
402 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(encoder
);
403 uint8_t buffer
[VIDEO_DIP_DATA_SIZE
];
406 /* see comment above for the reason for this offset */
407 len
= hdmi_infoframe_pack(frame
, buffer
+ 1, sizeof(buffer
) - 1);
411 /* Insert the 'hole' (see big comment above) at position 3 */
412 buffer
[0] = buffer
[1];
413 buffer
[1] = buffer
[2];
414 buffer
[2] = buffer
[3];
418 intel_hdmi
->write_infoframe(encoder
, frame
->any
.type
, buffer
, len
);
421 static void intel_hdmi_set_avi_infoframe(struct drm_encoder
*encoder
,
422 struct drm_display_mode
*adjusted_mode
)
424 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(encoder
);
425 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
426 union hdmi_infoframe frame
;
429 /* Set user selected PAR to incoming mode's member */
430 adjusted_mode
->picture_aspect_ratio
= intel_hdmi
->aspect_ratio
;
432 ret
= drm_hdmi_avi_infoframe_from_display_mode(&frame
.avi
,
435 DRM_ERROR("couldn't fill AVI infoframe\n");
439 if (intel_hdmi
->rgb_quant_range_selectable
) {
440 if (intel_crtc
->config
->limited_color_range
)
441 frame
.avi
.quantization_range
=
442 HDMI_QUANTIZATION_RANGE_LIMITED
;
444 frame
.avi
.quantization_range
=
445 HDMI_QUANTIZATION_RANGE_FULL
;
448 intel_write_infoframe(encoder
, &frame
);
451 static void intel_hdmi_set_spd_infoframe(struct drm_encoder
*encoder
)
453 union hdmi_infoframe frame
;
456 ret
= hdmi_spd_infoframe_init(&frame
.spd
, "Intel", "Integrated gfx");
458 DRM_ERROR("couldn't fill SPD infoframe\n");
462 frame
.spd
.sdi
= HDMI_SPD_SDI_PC
;
464 intel_write_infoframe(encoder
, &frame
);
468 intel_hdmi_set_hdmi_infoframe(struct drm_encoder
*encoder
,
469 struct drm_display_mode
*adjusted_mode
)
471 union hdmi_infoframe frame
;
474 ret
= drm_hdmi_vendor_infoframe_from_display_mode(&frame
.vendor
.hdmi
,
479 intel_write_infoframe(encoder
, &frame
);
482 static void g4x_set_infoframes(struct drm_encoder
*encoder
,
484 struct drm_display_mode
*adjusted_mode
)
486 struct drm_i915_private
*dev_priv
= encoder
->dev
->dev_private
;
487 struct intel_digital_port
*intel_dig_port
= enc_to_dig_port(encoder
);
488 struct intel_hdmi
*intel_hdmi
= &intel_dig_port
->hdmi
;
489 u32 reg
= VIDEO_DIP_CTL
;
490 u32 val
= I915_READ(reg
);
491 u32 port
= VIDEO_DIP_PORT(intel_dig_port
->port
);
493 assert_hdmi_port_disabled(intel_hdmi
);
495 /* If the registers were not initialized yet, they might be zeroes,
496 * which means we're selecting the AVI DIP and we're setting its
497 * frequency to once. This seems to really confuse the HW and make
498 * things stop working (the register spec says the AVI always needs to
499 * be sent every VSync). So here we avoid writing to the register more
500 * than we need and also explicitly select the AVI DIP and explicitly
501 * set its frequency to every VSync. Avoiding to write it twice seems to
502 * be enough to solve the problem, but being defensive shouldn't hurt us
504 val
|= VIDEO_DIP_SELECT_AVI
| VIDEO_DIP_FREQ_VSYNC
;
507 if (!(val
& VIDEO_DIP_ENABLE
))
509 val
&= ~VIDEO_DIP_ENABLE
;
510 I915_WRITE(reg
, val
);
515 if (port
!= (val
& VIDEO_DIP_PORT_MASK
)) {
516 if (val
& VIDEO_DIP_ENABLE
) {
517 val
&= ~VIDEO_DIP_ENABLE
;
518 I915_WRITE(reg
, val
);
521 val
&= ~VIDEO_DIP_PORT_MASK
;
525 val
|= VIDEO_DIP_ENABLE
;
526 val
&= ~VIDEO_DIP_ENABLE_VENDOR
;
528 I915_WRITE(reg
, val
);
531 intel_hdmi_set_avi_infoframe(encoder
, adjusted_mode
);
532 intel_hdmi_set_spd_infoframe(encoder
);
533 intel_hdmi_set_hdmi_infoframe(encoder
, adjusted_mode
);
536 static void ibx_set_infoframes(struct drm_encoder
*encoder
,
538 struct drm_display_mode
*adjusted_mode
)
540 struct drm_i915_private
*dev_priv
= encoder
->dev
->dev_private
;
541 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
542 struct intel_digital_port
*intel_dig_port
= enc_to_dig_port(encoder
);
543 struct intel_hdmi
*intel_hdmi
= &intel_dig_port
->hdmi
;
544 u32 reg
= TVIDEO_DIP_CTL(intel_crtc
->pipe
);
545 u32 val
= I915_READ(reg
);
546 u32 port
= VIDEO_DIP_PORT(intel_dig_port
->port
);
548 assert_hdmi_port_disabled(intel_hdmi
);
550 /* See the big comment in g4x_set_infoframes() */
551 val
|= VIDEO_DIP_SELECT_AVI
| VIDEO_DIP_FREQ_VSYNC
;
554 if (!(val
& VIDEO_DIP_ENABLE
))
556 val
&= ~VIDEO_DIP_ENABLE
;
557 I915_WRITE(reg
, val
);
562 if (port
!= (val
& VIDEO_DIP_PORT_MASK
)) {
563 if (val
& VIDEO_DIP_ENABLE
) {
564 val
&= ~VIDEO_DIP_ENABLE
;
565 I915_WRITE(reg
, val
);
568 val
&= ~VIDEO_DIP_PORT_MASK
;
572 val
|= VIDEO_DIP_ENABLE
;
573 val
&= ~(VIDEO_DIP_ENABLE_VENDOR
| VIDEO_DIP_ENABLE_GAMUT
|
574 VIDEO_DIP_ENABLE_GCP
);
576 I915_WRITE(reg
, val
);
579 intel_hdmi_set_avi_infoframe(encoder
, adjusted_mode
);
580 intel_hdmi_set_spd_infoframe(encoder
);
581 intel_hdmi_set_hdmi_infoframe(encoder
, adjusted_mode
);
584 static void cpt_set_infoframes(struct drm_encoder
*encoder
,
586 struct drm_display_mode
*adjusted_mode
)
588 struct drm_i915_private
*dev_priv
= encoder
->dev
->dev_private
;
589 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
590 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(encoder
);
591 u32 reg
= TVIDEO_DIP_CTL(intel_crtc
->pipe
);
592 u32 val
= I915_READ(reg
);
594 assert_hdmi_port_disabled(intel_hdmi
);
596 /* See the big comment in g4x_set_infoframes() */
597 val
|= VIDEO_DIP_SELECT_AVI
| VIDEO_DIP_FREQ_VSYNC
;
600 if (!(val
& VIDEO_DIP_ENABLE
))
602 val
&= ~(VIDEO_DIP_ENABLE
| VIDEO_DIP_ENABLE_AVI
);
603 I915_WRITE(reg
, val
);
608 /* Set both together, unset both together: see the spec. */
609 val
|= VIDEO_DIP_ENABLE
| VIDEO_DIP_ENABLE_AVI
;
610 val
&= ~(VIDEO_DIP_ENABLE_VENDOR
| VIDEO_DIP_ENABLE_GAMUT
|
611 VIDEO_DIP_ENABLE_GCP
);
613 I915_WRITE(reg
, val
);
616 intel_hdmi_set_avi_infoframe(encoder
, adjusted_mode
);
617 intel_hdmi_set_spd_infoframe(encoder
);
618 intel_hdmi_set_hdmi_infoframe(encoder
, adjusted_mode
);
621 static void vlv_set_infoframes(struct drm_encoder
*encoder
,
623 struct drm_display_mode
*adjusted_mode
)
625 struct drm_i915_private
*dev_priv
= encoder
->dev
->dev_private
;
626 struct intel_digital_port
*intel_dig_port
= enc_to_dig_port(encoder
);
627 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
628 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(encoder
);
629 u32 reg
= VLV_TVIDEO_DIP_CTL(intel_crtc
->pipe
);
630 u32 val
= I915_READ(reg
);
631 u32 port
= VIDEO_DIP_PORT(intel_dig_port
->port
);
633 assert_hdmi_port_disabled(intel_hdmi
);
635 /* See the big comment in g4x_set_infoframes() */
636 val
|= VIDEO_DIP_SELECT_AVI
| VIDEO_DIP_FREQ_VSYNC
;
639 if (!(val
& VIDEO_DIP_ENABLE
))
641 val
&= ~VIDEO_DIP_ENABLE
;
642 I915_WRITE(reg
, val
);
647 if (port
!= (val
& VIDEO_DIP_PORT_MASK
)) {
648 if (val
& VIDEO_DIP_ENABLE
) {
649 val
&= ~VIDEO_DIP_ENABLE
;
650 I915_WRITE(reg
, val
);
653 val
&= ~VIDEO_DIP_PORT_MASK
;
657 val
|= VIDEO_DIP_ENABLE
;
658 val
&= ~(VIDEO_DIP_ENABLE_AVI
| VIDEO_DIP_ENABLE_VENDOR
|
659 VIDEO_DIP_ENABLE_GAMUT
| VIDEO_DIP_ENABLE_GCP
);
661 I915_WRITE(reg
, val
);
664 intel_hdmi_set_avi_infoframe(encoder
, adjusted_mode
);
665 intel_hdmi_set_spd_infoframe(encoder
);
666 intel_hdmi_set_hdmi_infoframe(encoder
, adjusted_mode
);
669 static void hsw_set_infoframes(struct drm_encoder
*encoder
,
671 struct drm_display_mode
*adjusted_mode
)
673 struct drm_i915_private
*dev_priv
= encoder
->dev
->dev_private
;
674 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->crtc
);
675 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(encoder
);
676 u32 reg
= HSW_TVIDEO_DIP_CTL(intel_crtc
->config
->cpu_transcoder
);
677 u32 val
= I915_READ(reg
);
679 assert_hdmi_port_disabled(intel_hdmi
);
687 val
&= ~(VIDEO_DIP_ENABLE_VSC_HSW
| VIDEO_DIP_ENABLE_GCP_HSW
|
688 VIDEO_DIP_ENABLE_VS_HSW
| VIDEO_DIP_ENABLE_GMP_HSW
);
690 I915_WRITE(reg
, val
);
693 intel_hdmi_set_avi_infoframe(encoder
, adjusted_mode
);
694 intel_hdmi_set_spd_infoframe(encoder
);
695 intel_hdmi_set_hdmi_infoframe(encoder
, adjusted_mode
);
698 static void intel_hdmi_prepare(struct intel_encoder
*encoder
)
700 struct drm_device
*dev
= encoder
->base
.dev
;
701 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
702 struct intel_crtc
*crtc
= to_intel_crtc(encoder
->base
.crtc
);
703 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&encoder
->base
);
704 struct drm_display_mode
*adjusted_mode
= &crtc
->config
->base
.adjusted_mode
;
707 hdmi_val
= SDVO_ENCODING_HDMI
;
708 if (!HAS_PCH_SPLIT(dev
))
709 hdmi_val
|= intel_hdmi
->color_range
;
710 if (adjusted_mode
->flags
& DRM_MODE_FLAG_PVSYNC
)
711 hdmi_val
|= SDVO_VSYNC_ACTIVE_HIGH
;
712 if (adjusted_mode
->flags
& DRM_MODE_FLAG_PHSYNC
)
713 hdmi_val
|= SDVO_HSYNC_ACTIVE_HIGH
;
715 if (crtc
->config
->pipe_bpp
> 24)
716 hdmi_val
|= HDMI_COLOR_FORMAT_12bpc
;
718 hdmi_val
|= SDVO_COLOR_FORMAT_8bpc
;
720 if (crtc
->config
->has_hdmi_sink
)
721 hdmi_val
|= HDMI_MODE_SELECT_HDMI
;
723 if (HAS_PCH_CPT(dev
))
724 hdmi_val
|= SDVO_PIPE_SEL_CPT(crtc
->pipe
);
725 else if (IS_CHERRYVIEW(dev
))
726 hdmi_val
|= SDVO_PIPE_SEL_CHV(crtc
->pipe
);
728 hdmi_val
|= SDVO_PIPE_SEL(crtc
->pipe
);
730 I915_WRITE(intel_hdmi
->hdmi_reg
, hdmi_val
);
731 POSTING_READ(intel_hdmi
->hdmi_reg
);
734 static bool intel_hdmi_get_hw_state(struct intel_encoder
*encoder
,
737 struct drm_device
*dev
= encoder
->base
.dev
;
738 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
739 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&encoder
->base
);
740 enum intel_display_power_domain power_domain
;
743 power_domain
= intel_display_port_power_domain(encoder
);
744 if (!intel_display_power_is_enabled(dev_priv
, power_domain
))
747 tmp
= I915_READ(intel_hdmi
->hdmi_reg
);
749 if (!(tmp
& SDVO_ENABLE
))
752 if (HAS_PCH_CPT(dev
))
753 *pipe
= PORT_TO_PIPE_CPT(tmp
);
754 else if (IS_CHERRYVIEW(dev
))
755 *pipe
= SDVO_PORT_TO_PIPE_CHV(tmp
);
757 *pipe
= PORT_TO_PIPE(tmp
);
762 static void intel_hdmi_get_config(struct intel_encoder
*encoder
,
763 struct intel_crtc_state
*pipe_config
)
765 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&encoder
->base
);
766 struct drm_device
*dev
= encoder
->base
.dev
;
767 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
771 tmp
= I915_READ(intel_hdmi
->hdmi_reg
);
773 if (tmp
& SDVO_HSYNC_ACTIVE_HIGH
)
774 flags
|= DRM_MODE_FLAG_PHSYNC
;
776 flags
|= DRM_MODE_FLAG_NHSYNC
;
778 if (tmp
& SDVO_VSYNC_ACTIVE_HIGH
)
779 flags
|= DRM_MODE_FLAG_PVSYNC
;
781 flags
|= DRM_MODE_FLAG_NVSYNC
;
783 if (tmp
& HDMI_MODE_SELECT_HDMI
)
784 pipe_config
->has_hdmi_sink
= true;
786 if (intel_hdmi
->infoframe_enabled(&encoder
->base
))
787 pipe_config
->has_infoframe
= true;
789 if (tmp
& SDVO_AUDIO_ENABLE
)
790 pipe_config
->has_audio
= true;
792 if (!HAS_PCH_SPLIT(dev
) &&
793 tmp
& HDMI_COLOR_RANGE_16_235
)
794 pipe_config
->limited_color_range
= true;
796 pipe_config
->base
.adjusted_mode
.flags
|= flags
;
798 if ((tmp
& SDVO_COLOR_FORMAT_MASK
) == HDMI_COLOR_FORMAT_12bpc
)
799 dotclock
= pipe_config
->port_clock
* 2 / 3;
801 dotclock
= pipe_config
->port_clock
;
803 if (HAS_PCH_SPLIT(dev_priv
->dev
))
804 ironlake_check_encoder_dotclock(pipe_config
, dotclock
);
806 pipe_config
->base
.adjusted_mode
.crtc_clock
= dotclock
;
809 static void intel_enable_hdmi(struct intel_encoder
*encoder
)
811 struct drm_device
*dev
= encoder
->base
.dev
;
812 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
813 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->base
.crtc
);
814 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&encoder
->base
);
816 u32 enable_bits
= SDVO_ENABLE
;
818 if (intel_crtc
->config
->has_audio
)
819 enable_bits
|= SDVO_AUDIO_ENABLE
;
821 temp
= I915_READ(intel_hdmi
->hdmi_reg
);
823 /* HW workaround for IBX, we need to move the port to transcoder A
824 * before disabling it, so restore the transcoder select bit here. */
825 if (HAS_PCH_IBX(dev
))
826 enable_bits
|= SDVO_PIPE_SEL(intel_crtc
->pipe
);
828 /* HW workaround, need to toggle enable bit off and on for 12bpc, but
829 * we do this anyway which shows more stable in testing.
831 if (HAS_PCH_SPLIT(dev
)) {
832 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
& ~SDVO_ENABLE
);
833 POSTING_READ(intel_hdmi
->hdmi_reg
);
838 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
);
839 POSTING_READ(intel_hdmi
->hdmi_reg
);
841 /* HW workaround, need to write this twice for issue that may result
842 * in first write getting masked.
844 if (HAS_PCH_SPLIT(dev
)) {
845 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
);
846 POSTING_READ(intel_hdmi
->hdmi_reg
);
849 if (intel_crtc
->config
->has_audio
) {
850 WARN_ON(!intel_crtc
->config
->has_hdmi_sink
);
851 DRM_DEBUG_DRIVER("Enabling HDMI audio on pipe %c\n",
852 pipe_name(intel_crtc
->pipe
));
853 intel_audio_codec_enable(encoder
);
857 static void vlv_enable_hdmi(struct intel_encoder
*encoder
)
861 static void intel_disable_hdmi(struct intel_encoder
*encoder
)
863 struct drm_device
*dev
= encoder
->base
.dev
;
864 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
865 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&encoder
->base
);
866 struct intel_crtc
*crtc
= to_intel_crtc(encoder
->base
.crtc
);
868 u32 enable_bits
= SDVO_ENABLE
| SDVO_AUDIO_ENABLE
;
870 if (crtc
->config
->has_audio
)
871 intel_audio_codec_disable(encoder
);
873 temp
= I915_READ(intel_hdmi
->hdmi_reg
);
875 /* HW workaround for IBX, we need to move the port to transcoder A
876 * before disabling it. */
877 if (HAS_PCH_IBX(dev
)) {
878 struct drm_crtc
*crtc
= encoder
->base
.crtc
;
879 int pipe
= crtc
? to_intel_crtc(crtc
)->pipe
: -1;
881 if (temp
& SDVO_PIPE_B_SELECT
) {
882 temp
&= ~SDVO_PIPE_B_SELECT
;
883 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
);
884 POSTING_READ(intel_hdmi
->hdmi_reg
);
886 /* Again we need to write this twice. */
887 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
);
888 POSTING_READ(intel_hdmi
->hdmi_reg
);
890 /* Transcoder selection bits only update
891 * effectively on vblank. */
893 intel_wait_for_vblank(dev
, pipe
);
899 /* HW workaround, need to toggle enable bit off and on for 12bpc, but
900 * we do this anyway which shows more stable in testing.
902 if (HAS_PCH_SPLIT(dev
)) {
903 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
& ~SDVO_ENABLE
);
904 POSTING_READ(intel_hdmi
->hdmi_reg
);
907 temp
&= ~enable_bits
;
909 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
);
910 POSTING_READ(intel_hdmi
->hdmi_reg
);
912 /* HW workaround, need to write this twice for issue that may result
913 * in first write getting masked.
915 if (HAS_PCH_SPLIT(dev
)) {
916 I915_WRITE(intel_hdmi
->hdmi_reg
, temp
);
917 POSTING_READ(intel_hdmi
->hdmi_reg
);
921 static int hdmi_portclock_limit(struct intel_hdmi
*hdmi
, bool respect_dvi_limit
)
923 struct drm_device
*dev
= intel_hdmi_to_dev(hdmi
);
925 if ((respect_dvi_limit
&& !hdmi
->has_hdmi_sink
) || IS_G4X(dev
))
927 else if (IS_HASWELL(dev
) || INTEL_INFO(dev
)->gen
>= 8)
933 static enum drm_mode_status
934 intel_hdmi_mode_valid(struct drm_connector
*connector
,
935 struct drm_display_mode
*mode
)
937 int clock
= mode
->clock
;
939 if (mode
->flags
& DRM_MODE_FLAG_DBLCLK
)
942 if (clock
> hdmi_portclock_limit(intel_attached_hdmi(connector
),
944 return MODE_CLOCK_HIGH
;
946 return MODE_CLOCK_LOW
;
948 if (mode
->flags
& DRM_MODE_FLAG_DBLSCAN
)
949 return MODE_NO_DBLESCAN
;
954 static bool hdmi_12bpc_possible(struct intel_crtc
*crtc
)
956 struct drm_device
*dev
= crtc
->base
.dev
;
957 struct intel_encoder
*encoder
;
958 int count
= 0, count_hdmi
= 0;
960 if (HAS_GMCH_DISPLAY(dev
))
963 for_each_intel_encoder(dev
, encoder
) {
964 if (encoder
->new_crtc
!= crtc
)
967 count_hdmi
+= encoder
->type
== INTEL_OUTPUT_HDMI
;
972 * HDMI 12bpc affects the clocks, so it's only possible
973 * when not cloning with other encoder types.
975 return count_hdmi
> 0 && count_hdmi
== count
;
978 bool intel_hdmi_compute_config(struct intel_encoder
*encoder
,
979 struct intel_crtc_state
*pipe_config
)
981 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&encoder
->base
);
982 struct drm_device
*dev
= encoder
->base
.dev
;
983 struct drm_display_mode
*adjusted_mode
= &pipe_config
->base
.adjusted_mode
;
984 int clock_12bpc
= pipe_config
->base
.adjusted_mode
.crtc_clock
* 3 / 2;
985 int portclock_limit
= hdmi_portclock_limit(intel_hdmi
, false);
988 pipe_config
->has_hdmi_sink
= intel_hdmi
->has_hdmi_sink
;
990 if (pipe_config
->has_hdmi_sink
)
991 pipe_config
->has_infoframe
= true;
993 if (intel_hdmi
->color_range_auto
) {
994 /* See CEA-861-E - 5.1 Default Encoding Parameters */
995 if (pipe_config
->has_hdmi_sink
&&
996 drm_match_cea_mode(adjusted_mode
) > 1)
997 intel_hdmi
->color_range
= HDMI_COLOR_RANGE_16_235
;
999 intel_hdmi
->color_range
= 0;
1002 if (adjusted_mode
->flags
& DRM_MODE_FLAG_DBLCLK
) {
1003 pipe_config
->pixel_multiplier
= 2;
1006 if (intel_hdmi
->color_range
)
1007 pipe_config
->limited_color_range
= true;
1009 if (HAS_PCH_SPLIT(dev
) && !HAS_DDI(dev
))
1010 pipe_config
->has_pch_encoder
= true;
1012 if (pipe_config
->has_hdmi_sink
&& intel_hdmi
->has_audio
)
1013 pipe_config
->has_audio
= true;
1016 * HDMI is either 12 or 8, so if the display lets 10bpc sneak
1017 * through, clamp it down. Note that g4x/vlv don't support 12bpc hdmi
1018 * outputs. We also need to check that the higher clock still fits
1021 if (pipe_config
->pipe_bpp
> 8*3 && pipe_config
->has_hdmi_sink
&&
1022 clock_12bpc
<= portclock_limit
&&
1023 hdmi_12bpc_possible(encoder
->new_crtc
)) {
1024 DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n");
1027 /* Need to adjust the port link by 1.5x for 12bpc. */
1028 pipe_config
->port_clock
= clock_12bpc
;
1030 DRM_DEBUG_KMS("picking bpc to 8 for HDMI output\n");
1034 if (!pipe_config
->bw_constrained
) {
1035 DRM_DEBUG_KMS("forcing pipe bpc to %i for HDMI\n", desired_bpp
);
1036 pipe_config
->pipe_bpp
= desired_bpp
;
1039 if (adjusted_mode
->crtc_clock
> portclock_limit
) {
1040 DRM_DEBUG_KMS("too high HDMI clock, rejecting mode\n");
1048 intel_hdmi_unset_edid(struct drm_connector
*connector
)
1050 struct intel_hdmi
*intel_hdmi
= intel_attached_hdmi(connector
);
1052 intel_hdmi
->has_hdmi_sink
= false;
1053 intel_hdmi
->has_audio
= false;
1054 intel_hdmi
->rgb_quant_range_selectable
= false;
1056 kfree(to_intel_connector(connector
)->detect_edid
);
1057 to_intel_connector(connector
)->detect_edid
= NULL
;
1061 intel_hdmi_set_edid(struct drm_connector
*connector
)
1063 struct drm_i915_private
*dev_priv
= to_i915(connector
->dev
);
1064 struct intel_hdmi
*intel_hdmi
= intel_attached_hdmi(connector
);
1065 struct intel_encoder
*intel_encoder
=
1066 &hdmi_to_dig_port(intel_hdmi
)->base
;
1067 enum intel_display_power_domain power_domain
;
1069 bool connected
= false;
1071 power_domain
= intel_display_port_power_domain(intel_encoder
);
1072 intel_display_power_get(dev_priv
, power_domain
);
1074 edid
= drm_get_edid(connector
,
1075 intel_gmbus_get_adapter(dev_priv
,
1076 intel_hdmi
->ddc_bus
));
1078 intel_display_power_put(dev_priv
, power_domain
);
1080 to_intel_connector(connector
)->detect_edid
= edid
;
1081 if (edid
&& edid
->input
& DRM_EDID_INPUT_DIGITAL
) {
1082 intel_hdmi
->rgb_quant_range_selectable
=
1083 drm_rgb_quant_range_selectable(edid
);
1085 intel_hdmi
->has_audio
= drm_detect_monitor_audio(edid
);
1086 if (intel_hdmi
->force_audio
!= HDMI_AUDIO_AUTO
)
1087 intel_hdmi
->has_audio
=
1088 intel_hdmi
->force_audio
== HDMI_AUDIO_ON
;
1090 if (intel_hdmi
->force_audio
!= HDMI_AUDIO_OFF_DVI
)
1091 intel_hdmi
->has_hdmi_sink
=
1092 drm_detect_hdmi_monitor(edid
);
1100 static enum drm_connector_status
1101 intel_hdmi_detect(struct drm_connector
*connector
, bool force
)
1103 enum drm_connector_status status
;
1105 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1106 connector
->base
.id
, connector
->name
);
1108 intel_hdmi_unset_edid(connector
);
1110 if (intel_hdmi_set_edid(connector
)) {
1111 struct intel_hdmi
*intel_hdmi
= intel_attached_hdmi(connector
);
1113 hdmi_to_dig_port(intel_hdmi
)->base
.type
= INTEL_OUTPUT_HDMI
;
1114 status
= connector_status_connected
;
1116 status
= connector_status_disconnected
;
1122 intel_hdmi_force(struct drm_connector
*connector
)
1124 struct intel_hdmi
*intel_hdmi
= intel_attached_hdmi(connector
);
1126 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1127 connector
->base
.id
, connector
->name
);
1129 intel_hdmi_unset_edid(connector
);
1131 if (connector
->status
!= connector_status_connected
)
1134 intel_hdmi_set_edid(connector
);
1135 hdmi_to_dig_port(intel_hdmi
)->base
.type
= INTEL_OUTPUT_HDMI
;
1138 static int intel_hdmi_get_modes(struct drm_connector
*connector
)
1142 edid
= to_intel_connector(connector
)->detect_edid
;
1146 return intel_connector_update_modes(connector
, edid
);
1150 intel_hdmi_detect_audio(struct drm_connector
*connector
)
1152 bool has_audio
= false;
1155 edid
= to_intel_connector(connector
)->detect_edid
;
1156 if (edid
&& edid
->input
& DRM_EDID_INPUT_DIGITAL
)
1157 has_audio
= drm_detect_monitor_audio(edid
);
1163 intel_hdmi_set_property(struct drm_connector
*connector
,
1164 struct drm_property
*property
,
1167 struct intel_hdmi
*intel_hdmi
= intel_attached_hdmi(connector
);
1168 struct intel_digital_port
*intel_dig_port
=
1169 hdmi_to_dig_port(intel_hdmi
);
1170 struct drm_i915_private
*dev_priv
= connector
->dev
->dev_private
;
1173 ret
= drm_object_property_set_value(&connector
->base
, property
, val
);
1177 if (property
== dev_priv
->force_audio_property
) {
1178 enum hdmi_force_audio i
= val
;
1181 if (i
== intel_hdmi
->force_audio
)
1184 intel_hdmi
->force_audio
= i
;
1186 if (i
== HDMI_AUDIO_AUTO
)
1187 has_audio
= intel_hdmi_detect_audio(connector
);
1189 has_audio
= (i
== HDMI_AUDIO_ON
);
1191 if (i
== HDMI_AUDIO_OFF_DVI
)
1192 intel_hdmi
->has_hdmi_sink
= 0;
1194 intel_hdmi
->has_audio
= has_audio
;
1198 if (property
== dev_priv
->broadcast_rgb_property
) {
1199 bool old_auto
= intel_hdmi
->color_range_auto
;
1200 uint32_t old_range
= intel_hdmi
->color_range
;
1203 case INTEL_BROADCAST_RGB_AUTO
:
1204 intel_hdmi
->color_range_auto
= true;
1206 case INTEL_BROADCAST_RGB_FULL
:
1207 intel_hdmi
->color_range_auto
= false;
1208 intel_hdmi
->color_range
= 0;
1210 case INTEL_BROADCAST_RGB_LIMITED
:
1211 intel_hdmi
->color_range_auto
= false;
1212 intel_hdmi
->color_range
= HDMI_COLOR_RANGE_16_235
;
1218 if (old_auto
== intel_hdmi
->color_range_auto
&&
1219 old_range
== intel_hdmi
->color_range
)
1225 if (property
== connector
->dev
->mode_config
.aspect_ratio_property
) {
1227 case DRM_MODE_PICTURE_ASPECT_NONE
:
1228 intel_hdmi
->aspect_ratio
= HDMI_PICTURE_ASPECT_NONE
;
1230 case DRM_MODE_PICTURE_ASPECT_4_3
:
1231 intel_hdmi
->aspect_ratio
= HDMI_PICTURE_ASPECT_4_3
;
1233 case DRM_MODE_PICTURE_ASPECT_16_9
:
1234 intel_hdmi
->aspect_ratio
= HDMI_PICTURE_ASPECT_16_9
;
1245 if (intel_dig_port
->base
.base
.crtc
)
1246 intel_crtc_restore_mode(intel_dig_port
->base
.base
.crtc
);
1251 static void intel_hdmi_pre_enable(struct intel_encoder
*encoder
)
1253 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&encoder
->base
);
1254 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->base
.crtc
);
1255 struct drm_display_mode
*adjusted_mode
=
1256 &intel_crtc
->config
->base
.adjusted_mode
;
1258 intel_hdmi_prepare(encoder
);
1260 intel_hdmi
->set_infoframes(&encoder
->base
,
1261 intel_crtc
->config
->has_hdmi_sink
,
1265 static void vlv_hdmi_pre_enable(struct intel_encoder
*encoder
)
1267 struct intel_digital_port
*dport
= enc_to_dig_port(&encoder
->base
);
1268 struct intel_hdmi
*intel_hdmi
= &dport
->hdmi
;
1269 struct drm_device
*dev
= encoder
->base
.dev
;
1270 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1271 struct intel_crtc
*intel_crtc
=
1272 to_intel_crtc(encoder
->base
.crtc
);
1273 struct drm_display_mode
*adjusted_mode
=
1274 &intel_crtc
->config
->base
.adjusted_mode
;
1275 enum dpio_channel port
= vlv_dport_to_channel(dport
);
1276 int pipe
= intel_crtc
->pipe
;
1279 /* Enable clock channels for this port */
1280 mutex_lock(&dev_priv
->dpio_lock
);
1281 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW8(port
));
1288 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW8(port
), val
);
1291 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW5(port
), 0);
1292 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW4(port
), 0x2b245f5f);
1293 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW2(port
), 0x5578b83a);
1294 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW3(port
), 0x0c782040);
1295 vlv_dpio_write(dev_priv
, pipe
, VLV_TX3_DW4(port
), 0x2b247878);
1296 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW11(port
), 0x00030000);
1297 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW9(port
), 0x00002000);
1298 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW5(port
), DPIO_TX_OCALINIT_EN
);
1300 /* Program lane clock */
1301 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW14(port
), 0x00760018);
1302 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW23(port
), 0x00400888);
1303 mutex_unlock(&dev_priv
->dpio_lock
);
1305 intel_hdmi
->set_infoframes(&encoder
->base
,
1306 intel_crtc
->config
->has_hdmi_sink
,
1309 intel_enable_hdmi(encoder
);
1311 vlv_wait_port_ready(dev_priv
, dport
);
1314 static void vlv_hdmi_pre_pll_enable(struct intel_encoder
*encoder
)
1316 struct intel_digital_port
*dport
= enc_to_dig_port(&encoder
->base
);
1317 struct drm_device
*dev
= encoder
->base
.dev
;
1318 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1319 struct intel_crtc
*intel_crtc
=
1320 to_intel_crtc(encoder
->base
.crtc
);
1321 enum dpio_channel port
= vlv_dport_to_channel(dport
);
1322 int pipe
= intel_crtc
->pipe
;
1324 intel_hdmi_prepare(encoder
);
1326 /* Program Tx lane resets to default */
1327 mutex_lock(&dev_priv
->dpio_lock
);
1328 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW0(port
),
1329 DPIO_PCS_TX_LANE2_RESET
|
1330 DPIO_PCS_TX_LANE1_RESET
);
1331 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW1(port
),
1332 DPIO_PCS_CLK_CRI_RXEB_EIOS_EN
|
1333 DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN
|
1334 (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT
) |
1335 DPIO_PCS_CLK_SOFT_RESET
);
1337 /* Fix up inter-pair skew failure */
1338 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW12(port
), 0x00750f00);
1339 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW11(port
), 0x00001500);
1340 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW14(port
), 0x40400000);
1342 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW9(port
), 0x00002000);
1343 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW5(port
), DPIO_TX_OCALINIT_EN
);
1344 mutex_unlock(&dev_priv
->dpio_lock
);
1347 static void chv_hdmi_pre_pll_enable(struct intel_encoder
*encoder
)
1349 struct intel_digital_port
*dport
= enc_to_dig_port(&encoder
->base
);
1350 struct drm_device
*dev
= encoder
->base
.dev
;
1351 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1352 struct intel_crtc
*intel_crtc
=
1353 to_intel_crtc(encoder
->base
.crtc
);
1354 enum dpio_channel ch
= vlv_dport_to_channel(dport
);
1355 enum pipe pipe
= intel_crtc
->pipe
;
1358 intel_hdmi_prepare(encoder
);
1360 mutex_lock(&dev_priv
->dpio_lock
);
1362 /* program left/right clock distribution */
1363 if (pipe
!= PIPE_B
) {
1364 val
= vlv_dpio_read(dev_priv
, pipe
, _CHV_CMN_DW5_CH0
);
1365 val
&= ~(CHV_BUFLEFTENA1_MASK
| CHV_BUFRIGHTENA1_MASK
);
1367 val
|= CHV_BUFLEFTENA1_FORCE
;
1369 val
|= CHV_BUFRIGHTENA1_FORCE
;
1370 vlv_dpio_write(dev_priv
, pipe
, _CHV_CMN_DW5_CH0
, val
);
1372 val
= vlv_dpio_read(dev_priv
, pipe
, _CHV_CMN_DW1_CH1
);
1373 val
&= ~(CHV_BUFLEFTENA2_MASK
| CHV_BUFRIGHTENA2_MASK
);
1375 val
|= CHV_BUFLEFTENA2_FORCE
;
1377 val
|= CHV_BUFRIGHTENA2_FORCE
;
1378 vlv_dpio_write(dev_priv
, pipe
, _CHV_CMN_DW1_CH1
, val
);
1381 /* program clock channel usage */
1382 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW8(ch
));
1383 val
|= CHV_PCS_USEDCLKCHANNEL_OVRRIDE
;
1385 val
&= ~CHV_PCS_USEDCLKCHANNEL
;
1387 val
|= CHV_PCS_USEDCLKCHANNEL
;
1388 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW8(ch
), val
);
1390 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW8(ch
));
1391 val
|= CHV_PCS_USEDCLKCHANNEL_OVRRIDE
;
1393 val
&= ~CHV_PCS_USEDCLKCHANNEL
;
1395 val
|= CHV_PCS_USEDCLKCHANNEL
;
1396 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW8(ch
), val
);
1399 * This a a bit weird since generally CL
1400 * matches the pipe, but here we need to
1401 * pick the CL based on the port.
1403 val
= vlv_dpio_read(dev_priv
, pipe
, CHV_CMN_DW19(ch
));
1405 val
&= ~CHV_CMN_USEDCLKCHANNEL
;
1407 val
|= CHV_CMN_USEDCLKCHANNEL
;
1408 vlv_dpio_write(dev_priv
, pipe
, CHV_CMN_DW19(ch
), val
);
1410 mutex_unlock(&dev_priv
->dpio_lock
);
1413 static void vlv_hdmi_post_disable(struct intel_encoder
*encoder
)
1415 struct intel_digital_port
*dport
= enc_to_dig_port(&encoder
->base
);
1416 struct drm_i915_private
*dev_priv
= encoder
->base
.dev
->dev_private
;
1417 struct intel_crtc
*intel_crtc
=
1418 to_intel_crtc(encoder
->base
.crtc
);
1419 enum dpio_channel port
= vlv_dport_to_channel(dport
);
1420 int pipe
= intel_crtc
->pipe
;
1422 /* Reset lanes to avoid HDMI flicker (VLV w/a) */
1423 mutex_lock(&dev_priv
->dpio_lock
);
1424 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW0(port
), 0x00000000);
1425 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS_DW1(port
), 0x00e00060);
1426 mutex_unlock(&dev_priv
->dpio_lock
);
1429 static void chv_hdmi_post_disable(struct intel_encoder
*encoder
)
1431 struct intel_digital_port
*dport
= enc_to_dig_port(&encoder
->base
);
1432 struct drm_device
*dev
= encoder
->base
.dev
;
1433 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1434 struct intel_crtc
*intel_crtc
=
1435 to_intel_crtc(encoder
->base
.crtc
);
1436 enum dpio_channel ch
= vlv_dport_to_channel(dport
);
1437 enum pipe pipe
= intel_crtc
->pipe
;
1440 mutex_lock(&dev_priv
->dpio_lock
);
1442 /* Propagate soft reset to data lane reset */
1443 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW1(ch
));
1444 val
|= CHV_PCS_REQ_SOFTRESET_EN
;
1445 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW1(ch
), val
);
1447 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW1(ch
));
1448 val
|= CHV_PCS_REQ_SOFTRESET_EN
;
1449 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW1(ch
), val
);
1451 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW0(ch
));
1452 val
&= ~(DPIO_PCS_TX_LANE2_RESET
| DPIO_PCS_TX_LANE1_RESET
);
1453 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW0(ch
), val
);
1455 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW0(ch
));
1456 val
&= ~(DPIO_PCS_TX_LANE2_RESET
| DPIO_PCS_TX_LANE1_RESET
);
1457 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW0(ch
), val
);
1459 mutex_unlock(&dev_priv
->dpio_lock
);
1462 static void chv_hdmi_pre_enable(struct intel_encoder
*encoder
)
1464 struct intel_digital_port
*dport
= enc_to_dig_port(&encoder
->base
);
1465 struct intel_hdmi
*intel_hdmi
= &dport
->hdmi
;
1466 struct drm_device
*dev
= encoder
->base
.dev
;
1467 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1468 struct intel_crtc
*intel_crtc
=
1469 to_intel_crtc(encoder
->base
.crtc
);
1470 struct drm_display_mode
*adjusted_mode
=
1471 &intel_crtc
->config
->base
.adjusted_mode
;
1472 enum dpio_channel ch
= vlv_dport_to_channel(dport
);
1473 int pipe
= intel_crtc
->pipe
;
1477 mutex_lock(&dev_priv
->dpio_lock
);
1479 /* allow hardware to manage TX FIFO reset source */
1480 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW11(ch
));
1481 val
&= ~DPIO_LANEDESKEW_STRAP_OVRD
;
1482 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW11(ch
), val
);
1484 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW11(ch
));
1485 val
&= ~DPIO_LANEDESKEW_STRAP_OVRD
;
1486 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW11(ch
), val
);
1488 /* Deassert soft data lane reset*/
1489 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW1(ch
));
1490 val
|= CHV_PCS_REQ_SOFTRESET_EN
;
1491 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW1(ch
), val
);
1493 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW1(ch
));
1494 val
|= CHV_PCS_REQ_SOFTRESET_EN
;
1495 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW1(ch
), val
);
1497 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW0(ch
));
1498 val
|= (DPIO_PCS_TX_LANE2_RESET
| DPIO_PCS_TX_LANE1_RESET
);
1499 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW0(ch
), val
);
1501 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW0(ch
));
1502 val
|= (DPIO_PCS_TX_LANE2_RESET
| DPIO_PCS_TX_LANE1_RESET
);
1503 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW0(ch
), val
);
1505 /* Program Tx latency optimal setting */
1506 for (i
= 0; i
< 4; i
++) {
1507 /* Set the latency optimal bit */
1508 data
= (i
== 1) ? 0x0 : 0x6;
1509 vlv_dpio_write(dev_priv
, pipe
, CHV_TX_DW11(ch
, i
),
1510 data
<< DPIO_FRC_LATENCY_SHFIT
);
1512 /* Set the upar bit */
1513 data
= (i
== 1) ? 0x0 : 0x1;
1514 vlv_dpio_write(dev_priv
, pipe
, CHV_TX_DW14(ch
, i
),
1515 data
<< DPIO_UPAR_SHIFT
);
1518 /* Data lane stagger programming */
1519 /* FIXME: Fix up value only after power analysis */
1521 /* Clear calc init */
1522 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW10(ch
));
1523 val
&= ~(DPIO_PCS_SWING_CALC_TX0_TX2
| DPIO_PCS_SWING_CALC_TX1_TX3
);
1524 val
&= ~(DPIO_PCS_TX1DEEMP_MASK
| DPIO_PCS_TX2DEEMP_MASK
);
1525 val
|= DPIO_PCS_TX1DEEMP_9P5
| DPIO_PCS_TX2DEEMP_9P5
;
1526 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW10(ch
), val
);
1528 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW10(ch
));
1529 val
&= ~(DPIO_PCS_SWING_CALC_TX0_TX2
| DPIO_PCS_SWING_CALC_TX1_TX3
);
1530 val
&= ~(DPIO_PCS_TX1DEEMP_MASK
| DPIO_PCS_TX2DEEMP_MASK
);
1531 val
|= DPIO_PCS_TX1DEEMP_9P5
| DPIO_PCS_TX2DEEMP_9P5
;
1532 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW10(ch
), val
);
1534 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW9(ch
));
1535 val
&= ~(DPIO_PCS_TX1MARGIN_MASK
| DPIO_PCS_TX2MARGIN_MASK
);
1536 val
|= DPIO_PCS_TX1MARGIN_000
| DPIO_PCS_TX2MARGIN_000
;
1537 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW9(ch
), val
);
1539 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW9(ch
));
1540 val
&= ~(DPIO_PCS_TX1MARGIN_MASK
| DPIO_PCS_TX2MARGIN_MASK
);
1541 val
|= DPIO_PCS_TX1MARGIN_000
| DPIO_PCS_TX2MARGIN_000
;
1542 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW9(ch
), val
);
1544 /* FIXME: Program the support xxx V-dB */
1546 for (i
= 0; i
< 4; i
++) {
1547 val
= vlv_dpio_read(dev_priv
, pipe
, CHV_TX_DW4(ch
, i
));
1548 val
&= ~DPIO_SWING_DEEMPH9P5_MASK
;
1549 val
|= 128 << DPIO_SWING_DEEMPH9P5_SHIFT
;
1550 vlv_dpio_write(dev_priv
, pipe
, CHV_TX_DW4(ch
, i
), val
);
1553 for (i
= 0; i
< 4; i
++) {
1554 val
= vlv_dpio_read(dev_priv
, pipe
, CHV_TX_DW2(ch
, i
));
1555 val
&= ~DPIO_SWING_MARGIN000_MASK
;
1556 val
|= 102 << DPIO_SWING_MARGIN000_SHIFT
;
1557 vlv_dpio_write(dev_priv
, pipe
, CHV_TX_DW2(ch
, i
), val
);
1560 /* Disable unique transition scale */
1561 for (i
= 0; i
< 4; i
++) {
1562 val
= vlv_dpio_read(dev_priv
, pipe
, CHV_TX_DW3(ch
, i
));
1563 val
&= ~DPIO_TX_UNIQ_TRANS_SCALE_EN
;
1564 vlv_dpio_write(dev_priv
, pipe
, CHV_TX_DW3(ch
, i
), val
);
1567 /* Additional steps for 1200mV-0dB */
1569 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_TX_DW3(ch
));
1571 val
|= DPIO_TX_UNIQ_TRANS_SCALE_CH1
;
1573 val
|= DPIO_TX_UNIQ_TRANS_SCALE_CH0
;
1574 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW3(ch
), val
);
1576 vlv_dpio_write(dev_priv
, pipe
, VLV_TX_DW2(ch
),
1577 vlv_dpio_read(dev_priv
, pipe
, VLV_TX_DW2(ch
)) |
1578 (0x9a << DPIO_UNIQ_TRANS_SCALE_SHIFT
));
1580 /* Start swing calculation */
1581 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS01_DW10(ch
));
1582 val
|= DPIO_PCS_SWING_CALC_TX0_TX2
| DPIO_PCS_SWING_CALC_TX1_TX3
;
1583 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS01_DW10(ch
), val
);
1585 val
= vlv_dpio_read(dev_priv
, pipe
, VLV_PCS23_DW10(ch
));
1586 val
|= DPIO_PCS_SWING_CALC_TX0_TX2
| DPIO_PCS_SWING_CALC_TX1_TX3
;
1587 vlv_dpio_write(dev_priv
, pipe
, VLV_PCS23_DW10(ch
), val
);
1590 val
= vlv_dpio_read(dev_priv
, pipe
, CHV_CMN_DW30
);
1591 val
|= DPIO_LRC_BYPASS
;
1592 vlv_dpio_write(dev_priv
, pipe
, CHV_CMN_DW30
, val
);
1594 mutex_unlock(&dev_priv
->dpio_lock
);
1596 intel_hdmi
->set_infoframes(&encoder
->base
,
1597 intel_crtc
->config
->has_hdmi_sink
,
1600 intel_enable_hdmi(encoder
);
1602 vlv_wait_port_ready(dev_priv
, dport
);
1605 static void intel_hdmi_destroy(struct drm_connector
*connector
)
1607 kfree(to_intel_connector(connector
)->detect_edid
);
1608 drm_connector_cleanup(connector
);
1612 static const struct drm_connector_funcs intel_hdmi_connector_funcs
= {
1613 .dpms
= intel_connector_dpms
,
1614 .detect
= intel_hdmi_detect
,
1615 .force
= intel_hdmi_force
,
1616 .fill_modes
= drm_helper_probe_single_connector_modes
,
1617 .set_property
= intel_hdmi_set_property
,
1618 .atomic_get_property
= intel_connector_atomic_get_property
,
1619 .destroy
= intel_hdmi_destroy
,
1620 .atomic_destroy_state
= drm_atomic_helper_connector_destroy_state
,
1623 static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs
= {
1624 .get_modes
= intel_hdmi_get_modes
,
1625 .mode_valid
= intel_hdmi_mode_valid
,
1626 .best_encoder
= intel_best_encoder
,
1629 static const struct drm_encoder_funcs intel_hdmi_enc_funcs
= {
1630 .destroy
= intel_encoder_destroy
,
1634 intel_attach_aspect_ratio_property(struct drm_connector
*connector
)
1636 if (!drm_mode_create_aspect_ratio_property(connector
->dev
))
1637 drm_object_attach_property(&connector
->base
,
1638 connector
->dev
->mode_config
.aspect_ratio_property
,
1639 DRM_MODE_PICTURE_ASPECT_NONE
);
1643 intel_hdmi_add_properties(struct intel_hdmi
*intel_hdmi
, struct drm_connector
*connector
)
1645 intel_attach_force_audio_property(connector
);
1646 intel_attach_broadcast_rgb_property(connector
);
1647 intel_hdmi
->color_range_auto
= true;
1648 intel_attach_aspect_ratio_property(connector
);
1649 intel_hdmi
->aspect_ratio
= HDMI_PICTURE_ASPECT_NONE
;
1652 void intel_hdmi_init_connector(struct intel_digital_port
*intel_dig_port
,
1653 struct intel_connector
*intel_connector
)
1655 struct drm_connector
*connector
= &intel_connector
->base
;
1656 struct intel_hdmi
*intel_hdmi
= &intel_dig_port
->hdmi
;
1657 struct intel_encoder
*intel_encoder
= &intel_dig_port
->base
;
1658 struct drm_device
*dev
= intel_encoder
->base
.dev
;
1659 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1660 enum port port
= intel_dig_port
->port
;
1662 drm_connector_init(dev
, connector
, &intel_hdmi_connector_funcs
,
1663 DRM_MODE_CONNECTOR_HDMIA
);
1664 drm_connector_helper_add(connector
, &intel_hdmi_connector_helper_funcs
);
1666 connector
->interlace_allowed
= 1;
1667 connector
->doublescan_allowed
= 0;
1668 connector
->stereo_allowed
= 1;
1672 intel_hdmi
->ddc_bus
= GMBUS_PORT_DPB
;
1673 intel_encoder
->hpd_pin
= HPD_PORT_B
;
1676 intel_hdmi
->ddc_bus
= GMBUS_PORT_DPC
;
1677 intel_encoder
->hpd_pin
= HPD_PORT_C
;
1680 if (IS_CHERRYVIEW(dev
))
1681 intel_hdmi
->ddc_bus
= GMBUS_PORT_DPD_CHV
;
1683 intel_hdmi
->ddc_bus
= GMBUS_PORT_DPD
;
1684 intel_encoder
->hpd_pin
= HPD_PORT_D
;
1687 intel_encoder
->hpd_pin
= HPD_PORT_A
;
1688 /* Internal port only for eDP. */
1693 if (IS_VALLEYVIEW(dev
)) {
1694 intel_hdmi
->write_infoframe
= vlv_write_infoframe
;
1695 intel_hdmi
->set_infoframes
= vlv_set_infoframes
;
1696 intel_hdmi
->infoframe_enabled
= vlv_infoframe_enabled
;
1697 } else if (IS_G4X(dev
)) {
1698 intel_hdmi
->write_infoframe
= g4x_write_infoframe
;
1699 intel_hdmi
->set_infoframes
= g4x_set_infoframes
;
1700 intel_hdmi
->infoframe_enabled
= g4x_infoframe_enabled
;
1701 } else if (HAS_DDI(dev
)) {
1702 intel_hdmi
->write_infoframe
= hsw_write_infoframe
;
1703 intel_hdmi
->set_infoframes
= hsw_set_infoframes
;
1704 intel_hdmi
->infoframe_enabled
= hsw_infoframe_enabled
;
1705 } else if (HAS_PCH_IBX(dev
)) {
1706 intel_hdmi
->write_infoframe
= ibx_write_infoframe
;
1707 intel_hdmi
->set_infoframes
= ibx_set_infoframes
;
1708 intel_hdmi
->infoframe_enabled
= ibx_infoframe_enabled
;
1710 intel_hdmi
->write_infoframe
= cpt_write_infoframe
;
1711 intel_hdmi
->set_infoframes
= cpt_set_infoframes
;
1712 intel_hdmi
->infoframe_enabled
= cpt_infoframe_enabled
;
1716 intel_connector
->get_hw_state
= intel_ddi_connector_get_hw_state
;
1718 intel_connector
->get_hw_state
= intel_connector_get_hw_state
;
1719 intel_connector
->unregister
= intel_connector_unregister
;
1721 intel_hdmi_add_properties(intel_hdmi
, connector
);
1723 intel_connector_attach_encoder(intel_connector
, intel_encoder
);
1724 drm_connector_register(connector
);
1726 /* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
1727 * 0xd. Failure to do so will result in spurious interrupts being
1728 * generated on the port when a cable is not attached.
1730 if (IS_G4X(dev
) && !IS_GM45(dev
)) {
1731 u32 temp
= I915_READ(PEG_BAND_GAP_DATA
);
1732 I915_WRITE(PEG_BAND_GAP_DATA
, (temp
& ~0xf) | 0xd);
1736 void intel_hdmi_init(struct drm_device
*dev
, int hdmi_reg
, enum port port
)
1738 struct intel_digital_port
*intel_dig_port
;
1739 struct intel_encoder
*intel_encoder
;
1740 struct intel_connector
*intel_connector
;
1742 intel_dig_port
= kzalloc(sizeof(*intel_dig_port
), GFP_KERNEL
);
1743 if (!intel_dig_port
)
1746 intel_connector
= kzalloc(sizeof(*intel_connector
), GFP_KERNEL
);
1747 if (!intel_connector
) {
1748 kfree(intel_dig_port
);
1752 intel_encoder
= &intel_dig_port
->base
;
1754 drm_encoder_init(dev
, &intel_encoder
->base
, &intel_hdmi_enc_funcs
,
1755 DRM_MODE_ENCODER_TMDS
);
1757 intel_encoder
->compute_config
= intel_hdmi_compute_config
;
1758 intel_encoder
->disable
= intel_disable_hdmi
;
1759 intel_encoder
->get_hw_state
= intel_hdmi_get_hw_state
;
1760 intel_encoder
->get_config
= intel_hdmi_get_config
;
1761 if (IS_CHERRYVIEW(dev
)) {
1762 intel_encoder
->pre_pll_enable
= chv_hdmi_pre_pll_enable
;
1763 intel_encoder
->pre_enable
= chv_hdmi_pre_enable
;
1764 intel_encoder
->enable
= vlv_enable_hdmi
;
1765 intel_encoder
->post_disable
= chv_hdmi_post_disable
;
1766 } else if (IS_VALLEYVIEW(dev
)) {
1767 intel_encoder
->pre_pll_enable
= vlv_hdmi_pre_pll_enable
;
1768 intel_encoder
->pre_enable
= vlv_hdmi_pre_enable
;
1769 intel_encoder
->enable
= vlv_enable_hdmi
;
1770 intel_encoder
->post_disable
= vlv_hdmi_post_disable
;
1772 intel_encoder
->pre_enable
= intel_hdmi_pre_enable
;
1773 intel_encoder
->enable
= intel_enable_hdmi
;
1776 intel_encoder
->type
= INTEL_OUTPUT_HDMI
;
1777 if (IS_CHERRYVIEW(dev
)) {
1779 intel_encoder
->crtc_mask
= 1 << 2;
1781 intel_encoder
->crtc_mask
= (1 << 0) | (1 << 1);
1783 intel_encoder
->crtc_mask
= (1 << 0) | (1 << 1) | (1 << 2);
1785 intel_encoder
->cloneable
= 1 << INTEL_OUTPUT_ANALOG
;
1787 * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems
1788 * to work on real hardware. And since g4x can send infoframes to
1789 * only one port anyway, nothing is lost by allowing it.
1792 intel_encoder
->cloneable
|= 1 << INTEL_OUTPUT_HDMI
;
1794 intel_dig_port
->port
= port
;
1795 intel_dig_port
->hdmi
.hdmi_reg
= hdmi_reg
;
1796 intel_dig_port
->dp
.output_reg
= 0;
1798 intel_hdmi_init_connector(intel_dig_port
, intel_connector
);