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 <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <dev/drm2/drmP.h>
33 #include <dev/drm2/drm.h>
34 #include <dev/drm2/drm_crtc.h>
35 #include <dev/drm2/drm_edid.h>
36 #include <dev/drm2/i915/i915_drm.h>
37 #include <dev/drm2/i915/i915_drv.h>
38 #include <dev/drm2/i915/intel_drv.h>
40 struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder)
42 return container_of(encoder, struct intel_hdmi, base.base);
45 static struct intel_hdmi *intel_attached_hdmi(struct drm_connector *connector)
47 return container_of(intel_attached_encoder(connector),
48 struct intel_hdmi, base);
51 void intel_dip_infoframe_csum(struct dip_infoframe *frame)
53 uint8_t *data = (uint8_t *)frame;
60 for (i = 0; i < frame->len + DIP_HEADER_SIZE; i++)
63 frame->checksum = 0x100 - sum;
66 static u32 g4x_infoframe_index(struct dip_infoframe *frame)
68 switch (frame->type) {
70 return VIDEO_DIP_SELECT_AVI;
72 return VIDEO_DIP_SELECT_SPD;
74 DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
79 static u32 g4x_infoframe_enable(struct dip_infoframe *frame)
81 switch (frame->type) {
83 return VIDEO_DIP_ENABLE_AVI;
85 return VIDEO_DIP_ENABLE_SPD;
87 DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
92 static u32 hsw_infoframe_enable(struct dip_infoframe *frame)
94 switch (frame->type) {
96 return VIDEO_DIP_ENABLE_AVI_HSW;
98 return VIDEO_DIP_ENABLE_SPD_HSW;
100 DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
105 static u32 hsw_infoframe_data_reg(struct dip_infoframe *frame, enum pipe pipe)
107 switch (frame->type) {
109 return HSW_TVIDEO_DIP_AVI_DATA(pipe);
111 return HSW_TVIDEO_DIP_SPD_DATA(pipe);
113 DRM_DEBUG_DRIVER("unknown info frame type %d\n", frame->type);
118 static void g4x_write_infoframe(struct drm_encoder *encoder,
119 struct dip_infoframe *frame)
121 uint32_t *data = (uint32_t *)frame;
122 struct drm_device *dev = encoder->dev;
123 struct drm_i915_private *dev_priv = dev->dev_private;
124 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
125 u32 val = I915_READ(VIDEO_DIP_CTL);
126 unsigned i, len = DIP_HEADER_SIZE + frame->len;
128 val &= ~VIDEO_DIP_PORT_MASK;
129 if (intel_hdmi->sdvox_reg == SDVOB)
130 val |= VIDEO_DIP_PORT_B;
131 else if (intel_hdmi->sdvox_reg == SDVOC)
132 val |= VIDEO_DIP_PORT_C;
136 val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
137 val |= g4x_infoframe_index(frame);
139 val &= ~g4x_infoframe_enable(frame);
140 val |= VIDEO_DIP_ENABLE;
142 I915_WRITE(VIDEO_DIP_CTL, val);
144 for (i = 0; i < len; i += 4) {
145 I915_WRITE(VIDEO_DIP_DATA, *data);
149 val |= g4x_infoframe_enable(frame);
150 val &= ~VIDEO_DIP_FREQ_MASK;
151 val |= VIDEO_DIP_FREQ_VSYNC;
153 I915_WRITE(VIDEO_DIP_CTL, val);
156 static void ibx_write_infoframe(struct drm_encoder *encoder,
157 struct dip_infoframe *frame)
159 uint32_t *data = (uint32_t *)frame;
160 struct drm_device *dev = encoder->dev;
161 struct drm_i915_private *dev_priv = dev->dev_private;
162 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
163 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
164 int reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
165 unsigned i, len = DIP_HEADER_SIZE + frame->len;
166 u32 val = I915_READ(reg);
168 val &= ~VIDEO_DIP_PORT_MASK;
169 switch (intel_hdmi->sdvox_reg) {
171 val |= VIDEO_DIP_PORT_B;
174 val |= VIDEO_DIP_PORT_C;
177 val |= VIDEO_DIP_PORT_D;
183 intel_wait_for_vblank(dev, intel_crtc->pipe);
185 val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
186 val |= g4x_infoframe_index(frame);
188 val &= ~g4x_infoframe_enable(frame);
189 val |= VIDEO_DIP_ENABLE;
191 I915_WRITE(reg, val);
193 for (i = 0; i < len; i += 4) {
194 I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
198 val |= g4x_infoframe_enable(frame);
199 val &= ~VIDEO_DIP_FREQ_MASK;
200 val |= VIDEO_DIP_FREQ_VSYNC;
202 I915_WRITE(reg, val);
205 static void cpt_write_infoframe(struct drm_encoder *encoder,
206 struct dip_infoframe *frame)
208 uint32_t *data = (uint32_t *)frame;
209 struct drm_device *dev = encoder->dev;
210 struct drm_i915_private *dev_priv = dev->dev_private;
211 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
212 int reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
213 unsigned i, len = DIP_HEADER_SIZE + frame->len;
214 u32 val = I915_READ(reg);
216 intel_wait_for_vblank(dev, intel_crtc->pipe);
218 val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
219 val |= g4x_infoframe_index(frame);
221 /* The DIP control register spec says that we need to update the AVI
222 * infoframe without clearing its enable bit */
223 if (frame->type == DIP_TYPE_AVI)
224 val |= VIDEO_DIP_ENABLE_AVI;
226 val &= ~g4x_infoframe_enable(frame);
228 val |= VIDEO_DIP_ENABLE;
230 I915_WRITE(reg, val);
232 for (i = 0; i < len; i += 4) {
233 I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
237 val |= g4x_infoframe_enable(frame);
238 val &= ~VIDEO_DIP_FREQ_MASK;
239 val |= VIDEO_DIP_FREQ_VSYNC;
241 I915_WRITE(reg, val);
244 static void vlv_write_infoframe(struct drm_encoder *encoder,
245 struct dip_infoframe *frame)
247 uint32_t *data = (uint32_t *)frame;
248 struct drm_device *dev = encoder->dev;
249 struct drm_i915_private *dev_priv = dev->dev_private;
250 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
251 int reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe);
252 unsigned i, len = DIP_HEADER_SIZE + frame->len;
253 u32 val = I915_READ(reg);
255 intel_wait_for_vblank(dev, intel_crtc->pipe);
257 val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */
258 val |= g4x_infoframe_index(frame);
260 val &= ~g4x_infoframe_enable(frame);
261 val |= VIDEO_DIP_ENABLE;
263 I915_WRITE(reg, val);
265 for (i = 0; i < len; i += 4) {
266 I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
270 val |= g4x_infoframe_enable(frame);
271 val &= ~VIDEO_DIP_FREQ_MASK;
272 val |= VIDEO_DIP_FREQ_VSYNC;
274 I915_WRITE(reg, val);
277 static void hsw_write_infoframe(struct drm_encoder *encoder,
278 struct dip_infoframe *frame)
280 uint32_t *data = (uint32_t *)frame;
281 struct drm_device *dev = encoder->dev;
282 struct drm_i915_private *dev_priv = dev->dev_private;
283 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
284 u32 ctl_reg = HSW_TVIDEO_DIP_CTL(intel_crtc->pipe);
285 u32 data_reg = hsw_infoframe_data_reg(frame, intel_crtc->pipe);
286 unsigned int i, len = DIP_HEADER_SIZE + frame->len;
287 u32 val = I915_READ(ctl_reg);
292 intel_wait_for_vblank(dev, intel_crtc->pipe);
294 val &= ~hsw_infoframe_enable(frame);
295 I915_WRITE(ctl_reg, val);
297 for (i = 0; i < len; i += 4) {
298 I915_WRITE(data_reg + i, *data);
302 val |= hsw_infoframe_enable(frame);
303 I915_WRITE(ctl_reg, val);
306 static void intel_set_infoframe(struct drm_encoder *encoder,
307 struct dip_infoframe *frame)
309 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
311 if (!intel_hdmi->has_hdmi_sink)
314 intel_dip_infoframe_csum(frame);
315 intel_hdmi->write_infoframe(encoder, frame);
318 void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
319 struct drm_display_mode *adjusted_mode)
321 struct dip_infoframe avi_if = {
322 .type = DIP_TYPE_AVI,
323 .ver = DIP_VERSION_AVI,
327 if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
328 avi_if.body.avi.YQ_CN_PR |= DIP_AVI_PR_2;
330 intel_set_infoframe(encoder, &avi_if);
333 void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder)
335 struct dip_infoframe spd_if;
337 memset(&spd_if, 0, sizeof(spd_if));
338 spd_if.type = DIP_TYPE_SPD;
339 spd_if.ver = DIP_VERSION_SPD;
340 spd_if.len = DIP_LEN_SPD;
341 strcpy(spd_if.body.spd.vn, "Intel");
342 strcpy(spd_if.body.spd.pd, "Integrated gfx");
343 spd_if.body.spd.sdi = DIP_SPD_PC;
345 intel_set_infoframe(encoder, &spd_if);
348 static void intel_hdmi_mode_set(struct drm_encoder *encoder,
349 struct drm_display_mode *mode,
350 struct drm_display_mode *adjusted_mode)
352 struct drm_device *dev = encoder->dev;
353 struct drm_i915_private *dev_priv = dev->dev_private;
354 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
355 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
358 sdvox = SDVO_ENCODING_HDMI | SDVO_BORDER_ENABLE;
359 if (!HAS_PCH_SPLIT(dev))
360 sdvox |= intel_hdmi->color_range;
361 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
362 sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
363 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
364 sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
366 if (intel_crtc->bpp > 24)
367 sdvox |= COLOR_FORMAT_12bpc;
369 sdvox |= COLOR_FORMAT_8bpc;
371 /* Required on CPT */
372 if (intel_hdmi->has_hdmi_sink && HAS_PCH_CPT(dev))
373 sdvox |= HDMI_MODE_SELECT;
375 if (intel_hdmi->has_audio) {
376 DRM_DEBUG_KMS("Enabling HDMI audio on pipe %c\n",
377 pipe_name(intel_crtc->pipe));
378 sdvox |= SDVO_AUDIO_ENABLE;
379 sdvox |= SDVO_NULL_PACKETS_DURING_VSYNC;
380 intel_write_eld(encoder, adjusted_mode);
383 if (HAS_PCH_CPT(dev))
384 sdvox |= PORT_TRANS_SEL_CPT(intel_crtc->pipe);
385 else if (intel_crtc->pipe == 1)
386 sdvox |= SDVO_PIPE_B_SELECT;
388 I915_WRITE(intel_hdmi->sdvox_reg, sdvox);
389 POSTING_READ(intel_hdmi->sdvox_reg);
391 intel_hdmi_set_avi_infoframe(encoder, adjusted_mode);
392 intel_hdmi_set_spd_infoframe(encoder);
395 static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
397 struct drm_device *dev = encoder->dev;
398 struct drm_i915_private *dev_priv = dev->dev_private;
399 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
401 u32 enable_bits = SDVO_ENABLE;
403 if (intel_hdmi->has_audio)
404 enable_bits |= SDVO_AUDIO_ENABLE;
406 temp = I915_READ(intel_hdmi->sdvox_reg);
408 /* HW workaround, need to toggle enable bit off and on for 12bpc, but
409 * we do this anyway which shows more stable in testing.
411 if (HAS_PCH_SPLIT(dev)) {
412 I915_WRITE(intel_hdmi->sdvox_reg, temp & ~SDVO_ENABLE);
413 POSTING_READ(intel_hdmi->sdvox_reg);
416 if (mode != DRM_MODE_DPMS_ON) {
417 temp &= ~enable_bits;
422 I915_WRITE(intel_hdmi->sdvox_reg, temp);
423 POSTING_READ(intel_hdmi->sdvox_reg);
425 /* HW workaround, need to write this twice for issue that may result
426 * in first write getting masked.
428 if (HAS_PCH_SPLIT(dev)) {
429 I915_WRITE(intel_hdmi->sdvox_reg, temp);
430 POSTING_READ(intel_hdmi->sdvox_reg);
434 static int intel_hdmi_mode_valid(struct drm_connector *connector,
435 struct drm_display_mode *mode)
437 if (mode->clock > 165000)
438 return MODE_CLOCK_HIGH;
439 if (mode->clock < 20000)
440 return MODE_CLOCK_LOW;
442 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
443 return MODE_NO_DBLESCAN;
448 static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
449 const struct drm_display_mode *mode,
450 struct drm_display_mode *adjusted_mode)
455 static enum drm_connector_status
456 intel_hdmi_detect(struct drm_connector *connector, bool force)
458 struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
459 struct drm_i915_private *dev_priv = connector->dev->dev_private;
461 enum drm_connector_status status = connector_status_disconnected;
463 intel_hdmi->has_hdmi_sink = false;
464 intel_hdmi->has_audio = false;
465 edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv,
466 intel_hdmi->ddc_bus));
469 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
470 status = connector_status_connected;
471 if (intel_hdmi->force_audio != HDMI_AUDIO_OFF_DVI)
472 intel_hdmi->has_hdmi_sink =
473 drm_detect_hdmi_monitor(edid);
474 intel_hdmi->has_audio = drm_detect_monitor_audio(edid);
476 free(edid, DRM_MEM_KMS);
478 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] got no edid, ddc port %d\n",
479 connector->base.id, drm_get_connector_name(connector),
480 intel_hdmi->ddc_bus);
483 if (status == connector_status_connected) {
484 if (intel_hdmi->force_audio != HDMI_AUDIO_AUTO)
485 intel_hdmi->has_audio =
486 (intel_hdmi->force_audio == HDMI_AUDIO_ON);
492 static int intel_hdmi_get_modes(struct drm_connector *connector)
494 struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
495 struct drm_i915_private *dev_priv = connector->dev->dev_private;
497 /* We should parse the EDID data and find out if it's an HDMI sink so
498 * we can send audio to it.
501 return intel_ddc_get_modes(connector,
502 intel_gmbus_get_adapter(dev_priv,
503 intel_hdmi->ddc_bus));
507 intel_hdmi_detect_audio(struct drm_connector *connector)
509 struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
510 struct drm_i915_private *dev_priv = connector->dev->dev_private;
512 bool has_audio = false;
514 edid = drm_get_edid(connector,
515 intel_gmbus_get_adapter(dev_priv,
516 intel_hdmi->ddc_bus));
518 if (edid->input & DRM_EDID_INPUT_DIGITAL)
519 has_audio = drm_detect_monitor_audio(edid);
521 free(edid, DRM_MEM_KMS);
528 intel_hdmi_set_property(struct drm_connector *connector,
529 struct drm_property *property,
532 struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
533 struct drm_i915_private *dev_priv = connector->dev->dev_private;
536 ret = drm_object_property_set_value(&connector->base, property, val);
540 if (property == dev_priv->force_audio_property) {
541 enum hdmi_force_audio i = val;
544 if (i == intel_hdmi->force_audio)
547 intel_hdmi->force_audio = i;
549 if (i == HDMI_AUDIO_AUTO)
550 has_audio = intel_hdmi_detect_audio(connector);
552 has_audio = (i == HDMI_AUDIO_ON);
554 if (i == HDMI_AUDIO_OFF_DVI)
555 intel_hdmi->has_hdmi_sink = 0;
557 intel_hdmi->has_audio = has_audio;
561 if (property == dev_priv->broadcast_rgb_property) {
562 if (val == !!intel_hdmi->color_range)
565 intel_hdmi->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
572 if (intel_hdmi->base.base.crtc) {
573 struct drm_crtc *crtc = intel_hdmi->base.base.crtc;
574 drm_crtc_helper_set_mode(crtc, &crtc->mode,
582 static void intel_hdmi_destroy(struct drm_connector *connector)
585 drm_sysfs_connector_remove(connector);
587 drm_connector_cleanup(connector);
588 free(connector, DRM_MEM_KMS);
591 static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs_hsw = {
592 .dpms = intel_ddi_dpms,
593 .mode_fixup = intel_hdmi_mode_fixup,
594 .prepare = intel_encoder_prepare,
595 .mode_set = intel_ddi_mode_set,
596 .commit = intel_encoder_commit,
599 static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
600 .dpms = intel_hdmi_dpms,
601 .mode_fixup = intel_hdmi_mode_fixup,
602 .prepare = intel_encoder_prepare,
603 .mode_set = intel_hdmi_mode_set,
604 .commit = intel_encoder_commit,
607 static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
608 .dpms = drm_helper_connector_dpms,
609 .detect = intel_hdmi_detect,
610 .fill_modes = drm_helper_probe_single_connector_modes,
611 .set_property = intel_hdmi_set_property,
612 .destroy = intel_hdmi_destroy,
615 static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = {
616 .get_modes = intel_hdmi_get_modes,
617 .mode_valid = intel_hdmi_mode_valid,
618 .best_encoder = intel_best_encoder,
621 static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
622 .destroy = intel_encoder_destroy,
626 intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector)
628 intel_attach_force_audio_property(connector);
629 intel_attach_broadcast_rgb_property(connector);
632 void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
634 struct drm_i915_private *dev_priv = dev->dev_private;
635 struct drm_connector *connector;
636 struct intel_encoder *intel_encoder;
637 struct intel_connector *intel_connector;
638 struct intel_hdmi *intel_hdmi;
641 intel_hdmi = malloc(sizeof(struct intel_hdmi), DRM_MEM_KMS,
643 intel_connector = malloc(sizeof(struct intel_connector), DRM_MEM_KMS,
646 intel_encoder = &intel_hdmi->base;
647 drm_encoder_init(dev, &intel_encoder->base, &intel_hdmi_enc_funcs,
648 DRM_MODE_ENCODER_TMDS);
650 connector = &intel_connector->base;
651 drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
652 DRM_MODE_CONNECTOR_HDMIA);
653 drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs);
655 intel_encoder->type = INTEL_OUTPUT_HDMI;
657 connector->polled = DRM_CONNECTOR_POLL_HPD;
658 connector->interlace_allowed = 1;
659 connector->doublescan_allowed = 0;
660 intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
662 /* Set up the DDC bus. */
663 if (sdvox_reg == SDVOB) {
664 intel_encoder->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
665 intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
666 dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
667 } else if (sdvox_reg == SDVOC) {
668 intel_encoder->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
669 intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
670 dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
671 } else if (sdvox_reg == HDMIB) {
672 intel_encoder->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
673 intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
674 dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
675 } else if (sdvox_reg == HDMIC) {
676 intel_encoder->clone_mask = (1 << INTEL_HDMIE_CLONE_BIT);
677 intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
678 dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
679 } else if (sdvox_reg == HDMID) {
680 intel_encoder->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT);
681 intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
682 dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
683 } else if (sdvox_reg == DDI_BUF_CTL(PORT_B)) {
684 DRM_DEBUG_DRIVER("LPT: detected output on DDI B\n");
685 intel_encoder->clone_mask = (1 << INTEL_HDMIB_CLONE_BIT);
686 intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
687 intel_hdmi->ddi_port = PORT_B;
688 dev_priv->hotplug_supported_mask |= HDMIB_HOTPLUG_INT_STATUS;
689 } else if (sdvox_reg == DDI_BUF_CTL(PORT_C)) {
690 DRM_DEBUG_DRIVER("LPT: detected output on DDI C\n");
691 intel_encoder->clone_mask = (1 << INTEL_HDMIC_CLONE_BIT);
692 intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
693 intel_hdmi->ddi_port = PORT_C;
694 dev_priv->hotplug_supported_mask |= HDMIC_HOTPLUG_INT_STATUS;
695 } else if (sdvox_reg == DDI_BUF_CTL(PORT_D)) {
696 DRM_DEBUG_DRIVER("LPT: detected output on DDI D\n");
697 intel_encoder->clone_mask = (1 << INTEL_HDMID_CLONE_BIT);
698 intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
699 intel_hdmi->ddi_port = PORT_D;
700 dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
702 /* If we got an unknown sdvox_reg, things are pretty much broken
703 * in a way that we should let the kernel know about it */
704 DRM_DEBUG_KMS("unknown sdvox_reg %d\n", sdvox_reg);
707 intel_hdmi->sdvox_reg = sdvox_reg;
708 if (!HAS_PCH_SPLIT(dev)) {
709 intel_hdmi->write_infoframe = g4x_write_infoframe;
710 I915_WRITE(VIDEO_DIP_CTL, 0);
711 } else if (IS_VALLEYVIEW(dev)) {
712 intel_hdmi->write_infoframe = vlv_write_infoframe;
714 I915_WRITE(VLV_TVIDEO_DIP_CTL(i), 0);
715 } else if (IS_HASWELL(dev)) {
716 /* FIXME: Haswell has a new set of DIP frame registers, but we are
717 * just doing the minimal required for HDMI to work at this stage.
719 intel_hdmi->write_infoframe = hsw_write_infoframe;
721 I915_WRITE(HSW_TVIDEO_DIP_CTL(i), 0);
722 } else if (HAS_PCH_IBX(dev)) {
723 intel_hdmi->write_infoframe = ibx_write_infoframe;
725 I915_WRITE(TVIDEO_DIP_CTL(i), 0);
727 intel_hdmi->write_infoframe = cpt_write_infoframe;
729 I915_WRITE(TVIDEO_DIP_CTL(i), 0);
733 drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs_hsw);
735 drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
737 intel_hdmi_add_properties(intel_hdmi, connector);
739 intel_connector_attach_encoder(intel_connector, intel_encoder);
741 drm_sysfs_connector_add(connector);
744 /* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
745 * 0xd. Failure to do so will result in spurious interrupts being
746 * generated on the port when a cable is not attached.
748 if (IS_G4X(dev) && !IS_GM45(dev)) {
749 u32 temp = I915_READ(PEG_BAND_GAP_DATA);
750 I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);