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7d57382e EA |
1 | /* |
2 | * Copyright 2006 Dave Airlie <airlied@linux.ie> | |
3 | * Copyright © 2006-2009 Intel Corporation | |
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 (including the next | |
13 | * paragraph) shall be included in all copies or substantial portions of the | |
14 | * Software. | |
15 | * | |
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. | |
23 | * | |
24 | * Authors: | |
25 | * Eric Anholt <eric@anholt.net> | |
26 | * Jesse Barnes <jesse.barnes@intel.com> | |
27 | */ | |
28 | ||
29 | #include <linux/i2c.h> | |
5a0e3ad6 | 30 | #include <linux/slab.h> |
7d57382e | 31 | #include <linux/delay.h> |
178f736a | 32 | #include <linux/hdmi.h> |
760285e7 | 33 | #include <drm/drmP.h> |
c6f95f27 | 34 | #include <drm/drm_atomic_helper.h> |
760285e7 DH |
35 | #include <drm/drm_crtc.h> |
36 | #include <drm/drm_edid.h> | |
7d57382e | 37 | #include "intel_drv.h" |
760285e7 | 38 | #include <drm/i915_drm.h> |
7d57382e EA |
39 | #include "i915_drv.h" |
40 | ||
30add22d PZ |
41 | static struct drm_device *intel_hdmi_to_dev(struct intel_hdmi *intel_hdmi) |
42 | { | |
da63a9f2 | 43 | return hdmi_to_dig_port(intel_hdmi)->base.base.dev; |
30add22d PZ |
44 | } |
45 | ||
afba0188 DV |
46 | static void |
47 | assert_hdmi_port_disabled(struct intel_hdmi *intel_hdmi) | |
48 | { | |
30add22d | 49 | struct drm_device *dev = intel_hdmi_to_dev(intel_hdmi); |
afba0188 DV |
50 | struct drm_i915_private *dev_priv = dev->dev_private; |
51 | uint32_t enabled_bits; | |
52 | ||
affa9354 | 53 | enabled_bits = HAS_DDI(dev) ? DDI_BUF_CTL_ENABLE : SDVO_ENABLE; |
afba0188 | 54 | |
b242b7f7 | 55 | WARN(I915_READ(intel_hdmi->hdmi_reg) & enabled_bits, |
afba0188 DV |
56 | "HDMI port enabled, expecting disabled\n"); |
57 | } | |
58 | ||
f5bbfca3 | 59 | struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder) |
ea5b213a | 60 | { |
da63a9f2 PZ |
61 | struct intel_digital_port *intel_dig_port = |
62 | container_of(encoder, struct intel_digital_port, base.base); | |
63 | return &intel_dig_port->hdmi; | |
ea5b213a CW |
64 | } |
65 | ||
df0e9248 CW |
66 | static struct intel_hdmi *intel_attached_hdmi(struct drm_connector *connector) |
67 | { | |
da63a9f2 | 68 | return enc_to_intel_hdmi(&intel_attached_encoder(connector)->base); |
df0e9248 CW |
69 | } |
70 | ||
178f736a | 71 | static u32 g4x_infoframe_index(enum hdmi_infoframe_type type) |
3c17fe4b | 72 | { |
178f736a DL |
73 | switch (type) { |
74 | case HDMI_INFOFRAME_TYPE_AVI: | |
ed517fbb | 75 | return VIDEO_DIP_SELECT_AVI; |
178f736a | 76 | case HDMI_INFOFRAME_TYPE_SPD: |
ed517fbb | 77 | return VIDEO_DIP_SELECT_SPD; |
c8bb75af LD |
78 | case HDMI_INFOFRAME_TYPE_VENDOR: |
79 | return VIDEO_DIP_SELECT_VENDOR; | |
45187ace | 80 | default: |
178f736a | 81 | DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); |
ed517fbb | 82 | return 0; |
45187ace | 83 | } |
45187ace JB |
84 | } |
85 | ||
178f736a | 86 | static u32 g4x_infoframe_enable(enum hdmi_infoframe_type type) |
45187ace | 87 | { |
178f736a DL |
88 | switch (type) { |
89 | case HDMI_INFOFRAME_TYPE_AVI: | |
ed517fbb | 90 | return VIDEO_DIP_ENABLE_AVI; |
178f736a | 91 | case HDMI_INFOFRAME_TYPE_SPD: |
ed517fbb | 92 | return VIDEO_DIP_ENABLE_SPD; |
c8bb75af LD |
93 | case HDMI_INFOFRAME_TYPE_VENDOR: |
94 | return VIDEO_DIP_ENABLE_VENDOR; | |
fa193ff7 | 95 | default: |
178f736a | 96 | DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); |
ed517fbb | 97 | return 0; |
fa193ff7 | 98 | } |
fa193ff7 PZ |
99 | } |
100 | ||
178f736a | 101 | static u32 hsw_infoframe_enable(enum hdmi_infoframe_type type) |
2da8af54 | 102 | { |
178f736a DL |
103 | switch (type) { |
104 | case HDMI_INFOFRAME_TYPE_AVI: | |
2da8af54 | 105 | return VIDEO_DIP_ENABLE_AVI_HSW; |
178f736a | 106 | case HDMI_INFOFRAME_TYPE_SPD: |
2da8af54 | 107 | return VIDEO_DIP_ENABLE_SPD_HSW; |
c8bb75af LD |
108 | case HDMI_INFOFRAME_TYPE_VENDOR: |
109 | return VIDEO_DIP_ENABLE_VS_HSW; | |
2da8af54 | 110 | default: |
178f736a | 111 | DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); |
2da8af54 PZ |
112 | return 0; |
113 | } | |
114 | } | |
115 | ||
436c6d4a VS |
116 | static u32 hsw_dip_data_reg(struct drm_i915_private *dev_priv, |
117 | enum transcoder cpu_transcoder, | |
118 | enum hdmi_infoframe_type type, | |
119 | int i) | |
2da8af54 | 120 | { |
178f736a DL |
121 | switch (type) { |
122 | case HDMI_INFOFRAME_TYPE_AVI: | |
436c6d4a | 123 | return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder, i); |
178f736a | 124 | case HDMI_INFOFRAME_TYPE_SPD: |
436c6d4a | 125 | return HSW_TVIDEO_DIP_SPD_DATA(cpu_transcoder, i); |
c8bb75af | 126 | case HDMI_INFOFRAME_TYPE_VENDOR: |
436c6d4a | 127 | return HSW_TVIDEO_DIP_VS_DATA(cpu_transcoder, i); |
2da8af54 | 128 | default: |
178f736a | 129 | DRM_DEBUG_DRIVER("unknown info frame type %d\n", type); |
2da8af54 PZ |
130 | return 0; |
131 | } | |
132 | } | |
133 | ||
a3da1df7 | 134 | static void g4x_write_infoframe(struct drm_encoder *encoder, |
178f736a | 135 | enum hdmi_infoframe_type type, |
fff63867 | 136 | const void *frame, ssize_t len) |
45187ace | 137 | { |
fff63867 | 138 | const uint32_t *data = frame; |
3c17fe4b DH |
139 | struct drm_device *dev = encoder->dev; |
140 | struct drm_i915_private *dev_priv = dev->dev_private; | |
22509ec8 | 141 | u32 val = I915_READ(VIDEO_DIP_CTL); |
178f736a | 142 | int i; |
3c17fe4b | 143 | |
822974ae PZ |
144 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
145 | ||
1d4f85ac | 146 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 147 | val |= g4x_infoframe_index(type); |
22509ec8 | 148 | |
178f736a | 149 | val &= ~g4x_infoframe_enable(type); |
45187ace | 150 | |
22509ec8 | 151 | I915_WRITE(VIDEO_DIP_CTL, val); |
3c17fe4b | 152 | |
9d9740f0 | 153 | mmiowb(); |
45187ace | 154 | for (i = 0; i < len; i += 4) { |
3c17fe4b DH |
155 | I915_WRITE(VIDEO_DIP_DATA, *data); |
156 | data++; | |
157 | } | |
adf00b26 PZ |
158 | /* Write every possible data byte to force correct ECC calculation. */ |
159 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
160 | I915_WRITE(VIDEO_DIP_DATA, 0); | |
9d9740f0 | 161 | mmiowb(); |
3c17fe4b | 162 | |
178f736a | 163 | val |= g4x_infoframe_enable(type); |
60c5ea2d | 164 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 165 | val |= VIDEO_DIP_FREQ_VSYNC; |
45187ace | 166 | |
22509ec8 | 167 | I915_WRITE(VIDEO_DIP_CTL, val); |
9d9740f0 | 168 | POSTING_READ(VIDEO_DIP_CTL); |
3c17fe4b DH |
169 | } |
170 | ||
e43823ec JB |
171 | static bool g4x_infoframe_enabled(struct drm_encoder *encoder) |
172 | { | |
173 | struct drm_device *dev = encoder->dev; | |
174 | struct drm_i915_private *dev_priv = dev->dev_private; | |
89a35ecd | 175 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
e43823ec JB |
176 | u32 val = I915_READ(VIDEO_DIP_CTL); |
177 | ||
ec1dc603 VS |
178 | if ((val & VIDEO_DIP_ENABLE) == 0) |
179 | return false; | |
89a35ecd | 180 | |
ec1dc603 VS |
181 | if ((val & VIDEO_DIP_PORT_MASK) != VIDEO_DIP_PORT(intel_dig_port->port)) |
182 | return false; | |
183 | ||
184 | return val & (VIDEO_DIP_ENABLE_AVI | | |
185 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_SPD); | |
e43823ec JB |
186 | } |
187 | ||
fdf1250a | 188 | static void ibx_write_infoframe(struct drm_encoder *encoder, |
178f736a | 189 | enum hdmi_infoframe_type type, |
fff63867 | 190 | const void *frame, ssize_t len) |
fdf1250a | 191 | { |
fff63867 | 192 | const uint32_t *data = frame; |
fdf1250a PZ |
193 | struct drm_device *dev = encoder->dev; |
194 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ed517fbb | 195 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); |
178f736a | 196 | int i, reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
fdf1250a PZ |
197 | u32 val = I915_READ(reg); |
198 | ||
822974ae PZ |
199 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
200 | ||
fdf1250a | 201 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 202 | val |= g4x_infoframe_index(type); |
fdf1250a | 203 | |
178f736a | 204 | val &= ~g4x_infoframe_enable(type); |
fdf1250a PZ |
205 | |
206 | I915_WRITE(reg, val); | |
207 | ||
9d9740f0 | 208 | mmiowb(); |
fdf1250a PZ |
209 | for (i = 0; i < len; i += 4) { |
210 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); | |
211 | data++; | |
212 | } | |
adf00b26 PZ |
213 | /* Write every possible data byte to force correct ECC calculation. */ |
214 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
215 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); | |
9d9740f0 | 216 | mmiowb(); |
fdf1250a | 217 | |
178f736a | 218 | val |= g4x_infoframe_enable(type); |
fdf1250a | 219 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 220 | val |= VIDEO_DIP_FREQ_VSYNC; |
fdf1250a PZ |
221 | |
222 | I915_WRITE(reg, val); | |
9d9740f0 | 223 | POSTING_READ(reg); |
fdf1250a PZ |
224 | } |
225 | ||
e43823ec JB |
226 | static bool ibx_infoframe_enabled(struct drm_encoder *encoder) |
227 | { | |
228 | struct drm_device *dev = encoder->dev; | |
229 | struct drm_i915_private *dev_priv = dev->dev_private; | |
230 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); | |
052f62f7 | 231 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
e43823ec JB |
232 | int reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
233 | u32 val = I915_READ(reg); | |
234 | ||
ec1dc603 VS |
235 | if ((val & VIDEO_DIP_ENABLE) == 0) |
236 | return false; | |
237 | ||
238 | if ((val & VIDEO_DIP_PORT_MASK) != VIDEO_DIP_PORT(intel_dig_port->port)) | |
239 | return false; | |
052f62f7 | 240 | |
ec1dc603 VS |
241 | return val & (VIDEO_DIP_ENABLE_AVI | |
242 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
243 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
e43823ec JB |
244 | } |
245 | ||
fdf1250a | 246 | static void cpt_write_infoframe(struct drm_encoder *encoder, |
178f736a | 247 | enum hdmi_infoframe_type type, |
fff63867 | 248 | const void *frame, ssize_t len) |
b055c8f3 | 249 | { |
fff63867 | 250 | const uint32_t *data = frame; |
b055c8f3 JB |
251 | struct drm_device *dev = encoder->dev; |
252 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ed517fbb | 253 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); |
178f736a | 254 | int i, reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
22509ec8 | 255 | u32 val = I915_READ(reg); |
b055c8f3 | 256 | |
822974ae PZ |
257 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
258 | ||
64a8fc01 | 259 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 260 | val |= g4x_infoframe_index(type); |
45187ace | 261 | |
ecb97851 PZ |
262 | /* The DIP control register spec says that we need to update the AVI |
263 | * infoframe without clearing its enable bit */ | |
178f736a DL |
264 | if (type != HDMI_INFOFRAME_TYPE_AVI) |
265 | val &= ~g4x_infoframe_enable(type); | |
ecb97851 | 266 | |
22509ec8 | 267 | I915_WRITE(reg, val); |
45187ace | 268 | |
9d9740f0 | 269 | mmiowb(); |
45187ace | 270 | for (i = 0; i < len; i += 4) { |
b055c8f3 JB |
271 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); |
272 | data++; | |
273 | } | |
adf00b26 PZ |
274 | /* Write every possible data byte to force correct ECC calculation. */ |
275 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
276 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); | |
9d9740f0 | 277 | mmiowb(); |
b055c8f3 | 278 | |
178f736a | 279 | val |= g4x_infoframe_enable(type); |
60c5ea2d | 280 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 281 | val |= VIDEO_DIP_FREQ_VSYNC; |
45187ace | 282 | |
22509ec8 | 283 | I915_WRITE(reg, val); |
9d9740f0 | 284 | POSTING_READ(reg); |
45187ace | 285 | } |
90b107c8 | 286 | |
e43823ec JB |
287 | static bool cpt_infoframe_enabled(struct drm_encoder *encoder) |
288 | { | |
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 reg = TVIDEO_DIP_CTL(intel_crtc->pipe); | |
293 | u32 val = I915_READ(reg); | |
294 | ||
ec1dc603 VS |
295 | if ((val & VIDEO_DIP_ENABLE) == 0) |
296 | return false; | |
297 | ||
298 | return val & (VIDEO_DIP_ENABLE_AVI | | |
299 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
300 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
e43823ec JB |
301 | } |
302 | ||
90b107c8 | 303 | static void vlv_write_infoframe(struct drm_encoder *encoder, |
178f736a | 304 | enum hdmi_infoframe_type type, |
fff63867 | 305 | const void *frame, ssize_t len) |
90b107c8 | 306 | { |
fff63867 | 307 | const uint32_t *data = frame; |
90b107c8 SK |
308 | struct drm_device *dev = encoder->dev; |
309 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ed517fbb | 310 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); |
178f736a | 311 | int i, reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); |
22509ec8 | 312 | u32 val = I915_READ(reg); |
90b107c8 | 313 | |
822974ae PZ |
314 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
315 | ||
90b107c8 | 316 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 317 | val |= g4x_infoframe_index(type); |
22509ec8 | 318 | |
178f736a | 319 | val &= ~g4x_infoframe_enable(type); |
90b107c8 | 320 | |
22509ec8 | 321 | I915_WRITE(reg, val); |
90b107c8 | 322 | |
9d9740f0 | 323 | mmiowb(); |
90b107c8 SK |
324 | for (i = 0; i < len; i += 4) { |
325 | I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), *data); | |
326 | data++; | |
327 | } | |
adf00b26 PZ |
328 | /* Write every possible data byte to force correct ECC calculation. */ |
329 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
330 | I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), 0); | |
9d9740f0 | 331 | mmiowb(); |
90b107c8 | 332 | |
178f736a | 333 | val |= g4x_infoframe_enable(type); |
60c5ea2d | 334 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 335 | val |= VIDEO_DIP_FREQ_VSYNC; |
90b107c8 | 336 | |
22509ec8 | 337 | I915_WRITE(reg, val); |
9d9740f0 | 338 | POSTING_READ(reg); |
90b107c8 SK |
339 | } |
340 | ||
e43823ec JB |
341 | static bool vlv_infoframe_enabled(struct drm_encoder *encoder) |
342 | { | |
343 | struct drm_device *dev = encoder->dev; | |
344 | struct drm_i915_private *dev_priv = dev->dev_private; | |
345 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); | |
535afa2e | 346 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
e43823ec JB |
347 | int reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); |
348 | u32 val = I915_READ(reg); | |
349 | ||
ec1dc603 VS |
350 | if ((val & VIDEO_DIP_ENABLE) == 0) |
351 | return false; | |
352 | ||
353 | if ((val & VIDEO_DIP_PORT_MASK) != VIDEO_DIP_PORT(intel_dig_port->port)) | |
354 | return false; | |
535afa2e | 355 | |
ec1dc603 VS |
356 | return val & (VIDEO_DIP_ENABLE_AVI | |
357 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
358 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
e43823ec JB |
359 | } |
360 | ||
8c5f5f7c | 361 | static void hsw_write_infoframe(struct drm_encoder *encoder, |
178f736a | 362 | enum hdmi_infoframe_type type, |
fff63867 | 363 | const void *frame, ssize_t len) |
8c5f5f7c | 364 | { |
fff63867 | 365 | const uint32_t *data = frame; |
2da8af54 PZ |
366 | struct drm_device *dev = encoder->dev; |
367 | struct drm_i915_private *dev_priv = dev->dev_private; | |
368 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); | |
436c6d4a VS |
369 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
370 | u32 ctl_reg = HSW_TVIDEO_DIP_CTL(cpu_transcoder); | |
178f736a DL |
371 | u32 data_reg; |
372 | int i; | |
2da8af54 | 373 | u32 val = I915_READ(ctl_reg); |
8c5f5f7c | 374 | |
436c6d4a | 375 | data_reg = hsw_dip_data_reg(dev_priv, cpu_transcoder, type, 0); |
2da8af54 PZ |
376 | if (data_reg == 0) |
377 | return; | |
378 | ||
178f736a | 379 | val &= ~hsw_infoframe_enable(type); |
2da8af54 PZ |
380 | I915_WRITE(ctl_reg, val); |
381 | ||
9d9740f0 | 382 | mmiowb(); |
2da8af54 | 383 | for (i = 0; i < len; i += 4) { |
436c6d4a VS |
384 | I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder, |
385 | type, i >> 2), *data); | |
2da8af54 PZ |
386 | data++; |
387 | } | |
adf00b26 PZ |
388 | /* Write every possible data byte to force correct ECC calculation. */ |
389 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
436c6d4a VS |
390 | I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder, |
391 | type, i >> 2), 0); | |
9d9740f0 | 392 | mmiowb(); |
8c5f5f7c | 393 | |
178f736a | 394 | val |= hsw_infoframe_enable(type); |
2da8af54 | 395 | I915_WRITE(ctl_reg, val); |
9d9740f0 | 396 | POSTING_READ(ctl_reg); |
8c5f5f7c ED |
397 | } |
398 | ||
e43823ec JB |
399 | static bool hsw_infoframe_enabled(struct drm_encoder *encoder) |
400 | { | |
401 | struct drm_device *dev = encoder->dev; | |
402 | struct drm_i915_private *dev_priv = dev->dev_private; | |
403 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); | |
6e3c9717 | 404 | u32 ctl_reg = HSW_TVIDEO_DIP_CTL(intel_crtc->config->cpu_transcoder); |
e43823ec JB |
405 | u32 val = I915_READ(ctl_reg); |
406 | ||
ec1dc603 VS |
407 | return val & (VIDEO_DIP_ENABLE_VSC_HSW | VIDEO_DIP_ENABLE_AVI_HSW | |
408 | VIDEO_DIP_ENABLE_GCP_HSW | VIDEO_DIP_ENABLE_VS_HSW | | |
409 | VIDEO_DIP_ENABLE_GMP_HSW | VIDEO_DIP_ENABLE_SPD_HSW); | |
e43823ec JB |
410 | } |
411 | ||
5adaea79 DL |
412 | /* |
413 | * The data we write to the DIP data buffer registers is 1 byte bigger than the | |
414 | * HDMI infoframe size because of an ECC/reserved byte at position 3 (starting | |
415 | * at 0). It's also a byte used by DisplayPort so the same DIP registers can be | |
416 | * used for both technologies. | |
417 | * | |
418 | * DW0: Reserved/ECC/DP | HB2 | HB1 | HB0 | |
419 | * DW1: DB3 | DB2 | DB1 | DB0 | |
420 | * DW2: DB7 | DB6 | DB5 | DB4 | |
421 | * DW3: ... | |
422 | * | |
423 | * (HB is Header Byte, DB is Data Byte) | |
424 | * | |
425 | * The hdmi pack() functions don't know about that hardware specific hole so we | |
426 | * trick them by giving an offset into the buffer and moving back the header | |
427 | * bytes by one. | |
428 | */ | |
9198ee5b DL |
429 | static void intel_write_infoframe(struct drm_encoder *encoder, |
430 | union hdmi_infoframe *frame) | |
45187ace JB |
431 | { |
432 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); | |
5adaea79 DL |
433 | uint8_t buffer[VIDEO_DIP_DATA_SIZE]; |
434 | ssize_t len; | |
45187ace | 435 | |
5adaea79 DL |
436 | /* see comment above for the reason for this offset */ |
437 | len = hdmi_infoframe_pack(frame, buffer + 1, sizeof(buffer) - 1); | |
438 | if (len < 0) | |
439 | return; | |
440 | ||
441 | /* Insert the 'hole' (see big comment above) at position 3 */ | |
442 | buffer[0] = buffer[1]; | |
443 | buffer[1] = buffer[2]; | |
444 | buffer[2] = buffer[3]; | |
445 | buffer[3] = 0; | |
446 | len++; | |
45187ace | 447 | |
5adaea79 | 448 | intel_hdmi->write_infoframe(encoder, frame->any.type, buffer, len); |
45187ace JB |
449 | } |
450 | ||
687f4d06 | 451 | static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder, |
7c5f93b0 | 452 | const struct drm_display_mode *adjusted_mode) |
45187ace | 453 | { |
abedc077 | 454 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); |
50f3b016 | 455 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); |
5adaea79 DL |
456 | union hdmi_infoframe frame; |
457 | int ret; | |
45187ace | 458 | |
5adaea79 DL |
459 | ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, |
460 | adjusted_mode); | |
461 | if (ret < 0) { | |
462 | DRM_ERROR("couldn't fill AVI infoframe\n"); | |
463 | return; | |
464 | } | |
c846b619 | 465 | |
abedc077 | 466 | if (intel_hdmi->rgb_quant_range_selectable) { |
6e3c9717 | 467 | if (intel_crtc->config->limited_color_range) |
5adaea79 DL |
468 | frame.avi.quantization_range = |
469 | HDMI_QUANTIZATION_RANGE_LIMITED; | |
abedc077 | 470 | else |
5adaea79 DL |
471 | frame.avi.quantization_range = |
472 | HDMI_QUANTIZATION_RANGE_FULL; | |
abedc077 VS |
473 | } |
474 | ||
9198ee5b | 475 | intel_write_infoframe(encoder, &frame); |
b055c8f3 JB |
476 | } |
477 | ||
687f4d06 | 478 | static void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder) |
c0864cb3 | 479 | { |
5adaea79 DL |
480 | union hdmi_infoframe frame; |
481 | int ret; | |
482 | ||
483 | ret = hdmi_spd_infoframe_init(&frame.spd, "Intel", "Integrated gfx"); | |
484 | if (ret < 0) { | |
485 | DRM_ERROR("couldn't fill SPD infoframe\n"); | |
486 | return; | |
487 | } | |
c0864cb3 | 488 | |
5adaea79 | 489 | frame.spd.sdi = HDMI_SPD_SDI_PC; |
c0864cb3 | 490 | |
9198ee5b | 491 | intel_write_infoframe(encoder, &frame); |
c0864cb3 JB |
492 | } |
493 | ||
c8bb75af LD |
494 | static void |
495 | intel_hdmi_set_hdmi_infoframe(struct drm_encoder *encoder, | |
7c5f93b0 | 496 | const struct drm_display_mode *adjusted_mode) |
c8bb75af LD |
497 | { |
498 | union hdmi_infoframe frame; | |
499 | int ret; | |
500 | ||
501 | ret = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi, | |
502 | adjusted_mode); | |
503 | if (ret < 0) | |
504 | return; | |
505 | ||
506 | intel_write_infoframe(encoder, &frame); | |
507 | } | |
508 | ||
687f4d06 | 509 | static void g4x_set_infoframes(struct drm_encoder *encoder, |
6897b4b5 | 510 | bool enable, |
7c5f93b0 | 511 | const struct drm_display_mode *adjusted_mode) |
687f4d06 | 512 | { |
0c14c7f9 | 513 | struct drm_i915_private *dev_priv = encoder->dev->dev_private; |
69fde0a6 VS |
514 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
515 | struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; | |
0c14c7f9 PZ |
516 | u32 reg = VIDEO_DIP_CTL; |
517 | u32 val = I915_READ(reg); | |
822cdc52 | 518 | u32 port = VIDEO_DIP_PORT(intel_dig_port->port); |
0c14c7f9 | 519 | |
afba0188 DV |
520 | assert_hdmi_port_disabled(intel_hdmi); |
521 | ||
0c14c7f9 PZ |
522 | /* If the registers were not initialized yet, they might be zeroes, |
523 | * which means we're selecting the AVI DIP and we're setting its | |
524 | * frequency to once. This seems to really confuse the HW and make | |
525 | * things stop working (the register spec says the AVI always needs to | |
526 | * be sent every VSync). So here we avoid writing to the register more | |
527 | * than we need and also explicitly select the AVI DIP and explicitly | |
528 | * set its frequency to every VSync. Avoiding to write it twice seems to | |
529 | * be enough to solve the problem, but being defensive shouldn't hurt us | |
530 | * either. */ | |
531 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
532 | ||
6897b4b5 | 533 | if (!enable) { |
0c14c7f9 PZ |
534 | if (!(val & VIDEO_DIP_ENABLE)) |
535 | return; | |
0be6f0c8 VS |
536 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
537 | DRM_DEBUG_KMS("video DIP still enabled on port %c\n", | |
538 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
539 | return; | |
540 | } | |
541 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | | |
542 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_SPD); | |
0c14c7f9 | 543 | I915_WRITE(reg, val); |
9d9740f0 | 544 | POSTING_READ(reg); |
0c14c7f9 PZ |
545 | return; |
546 | } | |
547 | ||
72b78c9d PZ |
548 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
549 | if (val & VIDEO_DIP_ENABLE) { | |
0be6f0c8 VS |
550 | DRM_DEBUG_KMS("video DIP already enabled on port %c\n", |
551 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
552 | return; | |
72b78c9d PZ |
553 | } |
554 | val &= ~VIDEO_DIP_PORT_MASK; | |
555 | val |= port; | |
556 | } | |
557 | ||
822974ae | 558 | val |= VIDEO_DIP_ENABLE; |
0be6f0c8 VS |
559 | val &= ~(VIDEO_DIP_ENABLE_AVI | |
560 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_SPD); | |
822974ae | 561 | |
f278d972 | 562 | I915_WRITE(reg, val); |
9d9740f0 | 563 | POSTING_READ(reg); |
f278d972 | 564 | |
687f4d06 PZ |
565 | intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); |
566 | intel_hdmi_set_spd_infoframe(encoder); | |
c8bb75af | 567 | intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); |
687f4d06 PZ |
568 | } |
569 | ||
6d67415f VS |
570 | static bool hdmi_sink_is_deep_color(struct drm_encoder *encoder) |
571 | { | |
572 | struct drm_device *dev = encoder->dev; | |
573 | struct drm_connector *connector; | |
574 | ||
575 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); | |
576 | ||
577 | /* | |
578 | * HDMI cloning is only supported on g4x which doesn't | |
579 | * support deep color or GCP infoframes anyway so no | |
580 | * need to worry about multiple HDMI sinks here. | |
581 | */ | |
582 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
583 | if (connector->encoder == encoder) | |
584 | return connector->display_info.bpc > 8; | |
585 | ||
586 | return false; | |
587 | } | |
588 | ||
12aa3290 VS |
589 | /* |
590 | * Determine if default_phase=1 can be indicated in the GCP infoframe. | |
591 | * | |
592 | * From HDMI specification 1.4a: | |
593 | * - The first pixel of each Video Data Period shall always have a pixel packing phase of 0 | |
594 | * - The first pixel following each Video Data Period shall have a pixel packing phase of 0 | |
595 | * - The PP bits shall be constant for all GCPs and will be equal to the last packing phase | |
596 | * - The first pixel following every transition of HSYNC or VSYNC shall have a pixel packing | |
597 | * phase of 0 | |
598 | */ | |
599 | static bool gcp_default_phase_possible(int pipe_bpp, | |
600 | const struct drm_display_mode *mode) | |
601 | { | |
602 | unsigned int pixels_per_group; | |
603 | ||
604 | switch (pipe_bpp) { | |
605 | case 30: | |
606 | /* 4 pixels in 5 clocks */ | |
607 | pixels_per_group = 4; | |
608 | break; | |
609 | case 36: | |
610 | /* 2 pixels in 3 clocks */ | |
611 | pixels_per_group = 2; | |
612 | break; | |
613 | case 48: | |
614 | /* 1 pixel in 2 clocks */ | |
615 | pixels_per_group = 1; | |
616 | break; | |
617 | default: | |
618 | /* phase information not relevant for 8bpc */ | |
619 | return false; | |
620 | } | |
621 | ||
622 | return mode->crtc_hdisplay % pixels_per_group == 0 && | |
623 | mode->crtc_htotal % pixels_per_group == 0 && | |
624 | mode->crtc_hblank_start % pixels_per_group == 0 && | |
625 | mode->crtc_hblank_end % pixels_per_group == 0 && | |
626 | mode->crtc_hsync_start % pixels_per_group == 0 && | |
627 | mode->crtc_hsync_end % pixels_per_group == 0 && | |
628 | ((mode->flags & DRM_MODE_FLAG_INTERLACE) == 0 || | |
629 | mode->crtc_htotal/2 % pixels_per_group == 0); | |
630 | } | |
631 | ||
6d67415f VS |
632 | static bool intel_hdmi_set_gcp_infoframe(struct drm_encoder *encoder) |
633 | { | |
634 | struct drm_i915_private *dev_priv = encoder->dev->dev_private; | |
635 | struct intel_crtc *crtc = to_intel_crtc(encoder->crtc); | |
636 | u32 reg, val = 0; | |
637 | ||
638 | if (HAS_DDI(dev_priv)) | |
639 | reg = HSW_TVIDEO_DIP_GCP(crtc->config->cpu_transcoder); | |
640 | else if (IS_VALLEYVIEW(dev_priv)) | |
641 | reg = VLV_TVIDEO_DIP_GCP(crtc->pipe); | |
642 | else if (HAS_PCH_SPLIT(dev_priv->dev)) | |
643 | reg = TVIDEO_DIP_GCP(crtc->pipe); | |
644 | else | |
645 | return false; | |
646 | ||
647 | /* Indicate color depth whenever the sink supports deep color */ | |
648 | if (hdmi_sink_is_deep_color(encoder)) | |
649 | val |= GCP_COLOR_INDICATION; | |
650 | ||
12aa3290 VS |
651 | /* Enable default_phase whenever the display mode is suitably aligned */ |
652 | if (gcp_default_phase_possible(crtc->config->pipe_bpp, | |
653 | &crtc->config->base.adjusted_mode)) | |
654 | val |= GCP_DEFAULT_PHASE_ENABLE; | |
655 | ||
6d67415f VS |
656 | I915_WRITE(reg, val); |
657 | ||
658 | return val != 0; | |
659 | } | |
660 | ||
687f4d06 | 661 | static void ibx_set_infoframes(struct drm_encoder *encoder, |
6897b4b5 | 662 | bool enable, |
7c5f93b0 | 663 | const struct drm_display_mode *adjusted_mode) |
687f4d06 | 664 | { |
0c14c7f9 PZ |
665 | struct drm_i915_private *dev_priv = encoder->dev->dev_private; |
666 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); | |
69fde0a6 VS |
667 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
668 | struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; | |
0c14c7f9 PZ |
669 | u32 reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
670 | u32 val = I915_READ(reg); | |
822cdc52 | 671 | u32 port = VIDEO_DIP_PORT(intel_dig_port->port); |
0c14c7f9 | 672 | |
afba0188 DV |
673 | assert_hdmi_port_disabled(intel_hdmi); |
674 | ||
0c14c7f9 PZ |
675 | /* See the big comment in g4x_set_infoframes() */ |
676 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
677 | ||
6897b4b5 | 678 | if (!enable) { |
0c14c7f9 PZ |
679 | if (!(val & VIDEO_DIP_ENABLE)) |
680 | return; | |
0be6f0c8 VS |
681 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | |
682 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
683 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
0c14c7f9 | 684 | I915_WRITE(reg, val); |
9d9740f0 | 685 | POSTING_READ(reg); |
0c14c7f9 PZ |
686 | return; |
687 | } | |
688 | ||
72b78c9d | 689 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
0be6f0c8 VS |
690 | WARN(val & VIDEO_DIP_ENABLE, |
691 | "DIP already enabled on port %c\n", | |
692 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
72b78c9d PZ |
693 | val &= ~VIDEO_DIP_PORT_MASK; |
694 | val |= port; | |
695 | } | |
696 | ||
822974ae | 697 | val |= VIDEO_DIP_ENABLE; |
0be6f0c8 VS |
698 | val &= ~(VIDEO_DIP_ENABLE_AVI | |
699 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
700 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
822974ae | 701 | |
6d67415f VS |
702 | if (intel_hdmi_set_gcp_infoframe(encoder)) |
703 | val |= VIDEO_DIP_ENABLE_GCP; | |
704 | ||
f278d972 | 705 | I915_WRITE(reg, val); |
9d9740f0 | 706 | POSTING_READ(reg); |
f278d972 | 707 | |
687f4d06 PZ |
708 | intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); |
709 | intel_hdmi_set_spd_infoframe(encoder); | |
c8bb75af | 710 | intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); |
687f4d06 PZ |
711 | } |
712 | ||
713 | static void cpt_set_infoframes(struct drm_encoder *encoder, | |
6897b4b5 | 714 | bool enable, |
7c5f93b0 | 715 | const struct drm_display_mode *adjusted_mode) |
687f4d06 | 716 | { |
0c14c7f9 PZ |
717 | struct drm_i915_private *dev_priv = encoder->dev->dev_private; |
718 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); | |
719 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); | |
720 | u32 reg = TVIDEO_DIP_CTL(intel_crtc->pipe); | |
721 | u32 val = I915_READ(reg); | |
722 | ||
afba0188 DV |
723 | assert_hdmi_port_disabled(intel_hdmi); |
724 | ||
0c14c7f9 PZ |
725 | /* See the big comment in g4x_set_infoframes() */ |
726 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
727 | ||
6897b4b5 | 728 | if (!enable) { |
0c14c7f9 PZ |
729 | if (!(val & VIDEO_DIP_ENABLE)) |
730 | return; | |
0be6f0c8 VS |
731 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | |
732 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
733 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
0c14c7f9 | 734 | I915_WRITE(reg, val); |
9d9740f0 | 735 | POSTING_READ(reg); |
0c14c7f9 PZ |
736 | return; |
737 | } | |
738 | ||
822974ae PZ |
739 | /* Set both together, unset both together: see the spec. */ |
740 | val |= VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI; | |
0dd87d20 | 741 | val &= ~(VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | |
0be6f0c8 | 742 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); |
822974ae | 743 | |
6d67415f VS |
744 | if (intel_hdmi_set_gcp_infoframe(encoder)) |
745 | val |= VIDEO_DIP_ENABLE_GCP; | |
746 | ||
822974ae | 747 | I915_WRITE(reg, val); |
9d9740f0 | 748 | POSTING_READ(reg); |
822974ae | 749 | |
687f4d06 PZ |
750 | intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); |
751 | intel_hdmi_set_spd_infoframe(encoder); | |
c8bb75af | 752 | intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); |
687f4d06 PZ |
753 | } |
754 | ||
755 | static void vlv_set_infoframes(struct drm_encoder *encoder, | |
6897b4b5 | 756 | bool enable, |
7c5f93b0 | 757 | const struct drm_display_mode *adjusted_mode) |
687f4d06 | 758 | { |
0c14c7f9 | 759 | struct drm_i915_private *dev_priv = encoder->dev->dev_private; |
6a2b8021 | 760 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
0c14c7f9 PZ |
761 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); |
762 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); | |
763 | u32 reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); | |
764 | u32 val = I915_READ(reg); | |
6a2b8021 | 765 | u32 port = VIDEO_DIP_PORT(intel_dig_port->port); |
0c14c7f9 | 766 | |
afba0188 DV |
767 | assert_hdmi_port_disabled(intel_hdmi); |
768 | ||
0c14c7f9 PZ |
769 | /* See the big comment in g4x_set_infoframes() */ |
770 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
771 | ||
6897b4b5 | 772 | if (!enable) { |
0c14c7f9 PZ |
773 | if (!(val & VIDEO_DIP_ENABLE)) |
774 | return; | |
0be6f0c8 VS |
775 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | |
776 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
777 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
0c14c7f9 | 778 | I915_WRITE(reg, val); |
9d9740f0 | 779 | POSTING_READ(reg); |
0c14c7f9 PZ |
780 | return; |
781 | } | |
782 | ||
6a2b8021 | 783 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
0be6f0c8 VS |
784 | WARN(val & VIDEO_DIP_ENABLE, |
785 | "DIP already enabled on port %c\n", | |
786 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
6a2b8021 JB |
787 | val &= ~VIDEO_DIP_PORT_MASK; |
788 | val |= port; | |
789 | } | |
790 | ||
822974ae | 791 | val |= VIDEO_DIP_ENABLE; |
0be6f0c8 VS |
792 | val &= ~(VIDEO_DIP_ENABLE_AVI | |
793 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
794 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
822974ae | 795 | |
6d67415f VS |
796 | if (intel_hdmi_set_gcp_infoframe(encoder)) |
797 | val |= VIDEO_DIP_ENABLE_GCP; | |
798 | ||
822974ae | 799 | I915_WRITE(reg, val); |
9d9740f0 | 800 | POSTING_READ(reg); |
822974ae | 801 | |
687f4d06 PZ |
802 | intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); |
803 | intel_hdmi_set_spd_infoframe(encoder); | |
c8bb75af | 804 | intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); |
687f4d06 PZ |
805 | } |
806 | ||
807 | static void hsw_set_infoframes(struct drm_encoder *encoder, | |
6897b4b5 | 808 | bool enable, |
7c5f93b0 | 809 | const struct drm_display_mode *adjusted_mode) |
687f4d06 | 810 | { |
0c14c7f9 PZ |
811 | struct drm_i915_private *dev_priv = encoder->dev->dev_private; |
812 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); | |
813 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); | |
6e3c9717 | 814 | u32 reg = HSW_TVIDEO_DIP_CTL(intel_crtc->config->cpu_transcoder); |
0dd87d20 | 815 | u32 val = I915_READ(reg); |
0c14c7f9 | 816 | |
afba0188 DV |
817 | assert_hdmi_port_disabled(intel_hdmi); |
818 | ||
0be6f0c8 VS |
819 | val &= ~(VIDEO_DIP_ENABLE_VSC_HSW | VIDEO_DIP_ENABLE_AVI_HSW | |
820 | VIDEO_DIP_ENABLE_GCP_HSW | VIDEO_DIP_ENABLE_VS_HSW | | |
821 | VIDEO_DIP_ENABLE_GMP_HSW | VIDEO_DIP_ENABLE_SPD_HSW); | |
822 | ||
6897b4b5 | 823 | if (!enable) { |
0be6f0c8 | 824 | I915_WRITE(reg, val); |
9d9740f0 | 825 | POSTING_READ(reg); |
0c14c7f9 PZ |
826 | return; |
827 | } | |
828 | ||
6d67415f VS |
829 | if (intel_hdmi_set_gcp_infoframe(encoder)) |
830 | val |= VIDEO_DIP_ENABLE_GCP_HSW; | |
831 | ||
0dd87d20 | 832 | I915_WRITE(reg, val); |
9d9740f0 | 833 | POSTING_READ(reg); |
0dd87d20 | 834 | |
687f4d06 PZ |
835 | intel_hdmi_set_avi_infoframe(encoder, adjusted_mode); |
836 | intel_hdmi_set_spd_infoframe(encoder); | |
c8bb75af | 837 | intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode); |
687f4d06 PZ |
838 | } |
839 | ||
4cde8a21 | 840 | static void intel_hdmi_prepare(struct intel_encoder *encoder) |
7d57382e | 841 | { |
c59423a3 | 842 | struct drm_device *dev = encoder->base.dev; |
7d57382e | 843 | struct drm_i915_private *dev_priv = dev->dev_private; |
c59423a3 DV |
844 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); |
845 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
7c5f93b0 | 846 | const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode; |
b242b7f7 | 847 | u32 hdmi_val; |
7d57382e | 848 | |
b242b7f7 | 849 | hdmi_val = SDVO_ENCODING_HDMI; |
0f2a2a75 VS |
850 | if (!HAS_PCH_SPLIT(dev) && crtc->config->limited_color_range) |
851 | hdmi_val |= HDMI_COLOR_RANGE_16_235; | |
b599c0bc | 852 | if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) |
b242b7f7 | 853 | hdmi_val |= SDVO_VSYNC_ACTIVE_HIGH; |
b599c0bc | 854 | if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) |
b242b7f7 | 855 | hdmi_val |= SDVO_HSYNC_ACTIVE_HIGH; |
7d57382e | 856 | |
6e3c9717 | 857 | if (crtc->config->pipe_bpp > 24) |
4f3a8bc7 | 858 | hdmi_val |= HDMI_COLOR_FORMAT_12bpc; |
020f6704 | 859 | else |
4f3a8bc7 | 860 | hdmi_val |= SDVO_COLOR_FORMAT_8bpc; |
020f6704 | 861 | |
6e3c9717 | 862 | if (crtc->config->has_hdmi_sink) |
dc0fa718 | 863 | hdmi_val |= HDMI_MODE_SELECT_HDMI; |
2e3d6006 | 864 | |
75770564 | 865 | if (HAS_PCH_CPT(dev)) |
c59423a3 | 866 | hdmi_val |= SDVO_PIPE_SEL_CPT(crtc->pipe); |
44f37d1f CML |
867 | else if (IS_CHERRYVIEW(dev)) |
868 | hdmi_val |= SDVO_PIPE_SEL_CHV(crtc->pipe); | |
dc0fa718 | 869 | else |
c59423a3 | 870 | hdmi_val |= SDVO_PIPE_SEL(crtc->pipe); |
7d57382e | 871 | |
b242b7f7 PZ |
872 | I915_WRITE(intel_hdmi->hdmi_reg, hdmi_val); |
873 | POSTING_READ(intel_hdmi->hdmi_reg); | |
7d57382e EA |
874 | } |
875 | ||
85234cdc DV |
876 | static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, |
877 | enum pipe *pipe) | |
7d57382e | 878 | { |
85234cdc | 879 | struct drm_device *dev = encoder->base.dev; |
7d57382e | 880 | struct drm_i915_private *dev_priv = dev->dev_private; |
85234cdc | 881 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
6d129bea | 882 | enum intel_display_power_domain power_domain; |
85234cdc DV |
883 | u32 tmp; |
884 | ||
6d129bea | 885 | power_domain = intel_display_port_power_domain(encoder); |
f458ebbc | 886 | if (!intel_display_power_is_enabled(dev_priv, power_domain)) |
6d129bea ID |
887 | return false; |
888 | ||
b242b7f7 | 889 | tmp = I915_READ(intel_hdmi->hdmi_reg); |
85234cdc DV |
890 | |
891 | if (!(tmp & SDVO_ENABLE)) | |
892 | return false; | |
893 | ||
894 | if (HAS_PCH_CPT(dev)) | |
895 | *pipe = PORT_TO_PIPE_CPT(tmp); | |
71485e0a VS |
896 | else if (IS_CHERRYVIEW(dev)) |
897 | *pipe = SDVO_PORT_TO_PIPE_CHV(tmp); | |
85234cdc DV |
898 | else |
899 | *pipe = PORT_TO_PIPE(tmp); | |
900 | ||
901 | return true; | |
902 | } | |
903 | ||
045ac3b5 | 904 | static void intel_hdmi_get_config(struct intel_encoder *encoder, |
5cec258b | 905 | struct intel_crtc_state *pipe_config) |
045ac3b5 JB |
906 | { |
907 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
8c875fca VS |
908 | struct drm_device *dev = encoder->base.dev; |
909 | struct drm_i915_private *dev_priv = dev->dev_private; | |
045ac3b5 | 910 | u32 tmp, flags = 0; |
18442d08 | 911 | int dotclock; |
045ac3b5 JB |
912 | |
913 | tmp = I915_READ(intel_hdmi->hdmi_reg); | |
914 | ||
915 | if (tmp & SDVO_HSYNC_ACTIVE_HIGH) | |
916 | flags |= DRM_MODE_FLAG_PHSYNC; | |
917 | else | |
918 | flags |= DRM_MODE_FLAG_NHSYNC; | |
919 | ||
920 | if (tmp & SDVO_VSYNC_ACTIVE_HIGH) | |
921 | flags |= DRM_MODE_FLAG_PVSYNC; | |
922 | else | |
923 | flags |= DRM_MODE_FLAG_NVSYNC; | |
924 | ||
6897b4b5 DV |
925 | if (tmp & HDMI_MODE_SELECT_HDMI) |
926 | pipe_config->has_hdmi_sink = true; | |
927 | ||
e43823ec JB |
928 | if (intel_hdmi->infoframe_enabled(&encoder->base)) |
929 | pipe_config->has_infoframe = true; | |
930 | ||
c84db770 | 931 | if (tmp & SDVO_AUDIO_ENABLE) |
9ed109a7 DV |
932 | pipe_config->has_audio = true; |
933 | ||
8c875fca VS |
934 | if (!HAS_PCH_SPLIT(dev) && |
935 | tmp & HDMI_COLOR_RANGE_16_235) | |
936 | pipe_config->limited_color_range = true; | |
937 | ||
2d112de7 | 938 | pipe_config->base.adjusted_mode.flags |= flags; |
18442d08 VS |
939 | |
940 | if ((tmp & SDVO_COLOR_FORMAT_MASK) == HDMI_COLOR_FORMAT_12bpc) | |
941 | dotclock = pipe_config->port_clock * 2 / 3; | |
942 | else | |
943 | dotclock = pipe_config->port_clock; | |
944 | ||
be69a133 VS |
945 | if (pipe_config->pixel_multiplier) |
946 | dotclock /= pipe_config->pixel_multiplier; | |
947 | ||
18442d08 VS |
948 | if (HAS_PCH_SPLIT(dev_priv->dev)) |
949 | ironlake_check_encoder_dotclock(pipe_config, dotclock); | |
950 | ||
2d112de7 | 951 | pipe_config->base.adjusted_mode.crtc_clock = dotclock; |
045ac3b5 JB |
952 | } |
953 | ||
d1b1589c VS |
954 | static void intel_enable_hdmi_audio(struct intel_encoder *encoder) |
955 | { | |
956 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); | |
957 | ||
958 | WARN_ON(!crtc->config->has_hdmi_sink); | |
959 | DRM_DEBUG_DRIVER("Enabling HDMI audio on pipe %c\n", | |
960 | pipe_name(crtc->pipe)); | |
961 | intel_audio_codec_enable(encoder); | |
962 | } | |
963 | ||
bf868c7d | 964 | static void g4x_enable_hdmi(struct intel_encoder *encoder) |
7d57382e | 965 | { |
5ab432ef | 966 | struct drm_device *dev = encoder->base.dev; |
7d57382e | 967 | struct drm_i915_private *dev_priv = dev->dev_private; |
bf868c7d | 968 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); |
5ab432ef | 969 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
7d57382e EA |
970 | u32 temp; |
971 | ||
b242b7f7 | 972 | temp = I915_READ(intel_hdmi->hdmi_reg); |
d8a2d0e0 | 973 | |
bf868c7d VS |
974 | temp |= SDVO_ENABLE; |
975 | if (crtc->config->has_audio) | |
976 | temp |= SDVO_AUDIO_ENABLE; | |
7a87c289 | 977 | |
bf868c7d VS |
978 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
979 | POSTING_READ(intel_hdmi->hdmi_reg); | |
980 | ||
981 | if (crtc->config->has_audio) | |
982 | intel_enable_hdmi_audio(encoder); | |
983 | } | |
984 | ||
985 | static void ibx_enable_hdmi(struct intel_encoder *encoder) | |
986 | { | |
987 | struct drm_device *dev = encoder->base.dev; | |
988 | struct drm_i915_private *dev_priv = dev->dev_private; | |
989 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); | |
990 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
991 | u32 temp; | |
992 | ||
993 | temp = I915_READ(intel_hdmi->hdmi_reg); | |
d8a2d0e0 | 994 | |
bf868c7d VS |
995 | temp |= SDVO_ENABLE; |
996 | if (crtc->config->has_audio) | |
997 | temp |= SDVO_AUDIO_ENABLE; | |
5ab432ef | 998 | |
bf868c7d VS |
999 | /* |
1000 | * HW workaround, need to write this twice for issue | |
1001 | * that may result in first write getting masked. | |
1002 | */ | |
1003 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1004 | POSTING_READ(intel_hdmi->hdmi_reg); | |
b242b7f7 PZ |
1005 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
1006 | POSTING_READ(intel_hdmi->hdmi_reg); | |
5ab432ef | 1007 | |
bf868c7d VS |
1008 | /* |
1009 | * HW workaround, need to toggle enable bit off and on | |
1010 | * for 12bpc with pixel repeat. | |
1011 | * | |
1012 | * FIXME: BSpec says this should be done at the end of | |
1013 | * of the modeset sequence, so not sure if this isn't too soon. | |
5ab432ef | 1014 | */ |
bf868c7d VS |
1015 | if (crtc->config->pipe_bpp > 24 && |
1016 | crtc->config->pixel_multiplier > 1) { | |
1017 | I915_WRITE(intel_hdmi->hdmi_reg, temp & ~SDVO_ENABLE); | |
1018 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1019 | ||
1020 | /* | |
1021 | * HW workaround, need to write this twice for issue | |
1022 | * that may result in first write getting masked. | |
1023 | */ | |
1024 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1025 | POSTING_READ(intel_hdmi->hdmi_reg); | |
b242b7f7 PZ |
1026 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
1027 | POSTING_READ(intel_hdmi->hdmi_reg); | |
7d57382e | 1028 | } |
c1dec79a | 1029 | |
bf868c7d | 1030 | if (crtc->config->has_audio) |
d1b1589c VS |
1031 | intel_enable_hdmi_audio(encoder); |
1032 | } | |
1033 | ||
1034 | static void cpt_enable_hdmi(struct intel_encoder *encoder) | |
1035 | { | |
1036 | struct drm_device *dev = encoder->base.dev; | |
1037 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1038 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); | |
1039 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
1040 | enum pipe pipe = crtc->pipe; | |
1041 | u32 temp; | |
1042 | ||
1043 | temp = I915_READ(intel_hdmi->hdmi_reg); | |
1044 | ||
1045 | temp |= SDVO_ENABLE; | |
1046 | if (crtc->config->has_audio) | |
1047 | temp |= SDVO_AUDIO_ENABLE; | |
1048 | ||
1049 | /* | |
1050 | * WaEnableHDMI8bpcBefore12bpc:snb,ivb | |
1051 | * | |
1052 | * The procedure for 12bpc is as follows: | |
1053 | * 1. disable HDMI clock gating | |
1054 | * 2. enable HDMI with 8bpc | |
1055 | * 3. enable HDMI with 12bpc | |
1056 | * 4. enable HDMI clock gating | |
1057 | */ | |
1058 | ||
1059 | if (crtc->config->pipe_bpp > 24) { | |
1060 | I915_WRITE(TRANS_CHICKEN1(pipe), | |
1061 | I915_READ(TRANS_CHICKEN1(pipe)) | | |
1062 | TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE); | |
1063 | ||
1064 | temp &= ~SDVO_COLOR_FORMAT_MASK; | |
1065 | temp |= SDVO_COLOR_FORMAT_8bpc; | |
c1dec79a | 1066 | } |
d1b1589c VS |
1067 | |
1068 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1069 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1070 | ||
1071 | if (crtc->config->pipe_bpp > 24) { | |
1072 | temp &= ~SDVO_COLOR_FORMAT_MASK; | |
1073 | temp |= HDMI_COLOR_FORMAT_12bpc; | |
1074 | ||
1075 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1076 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1077 | ||
1078 | I915_WRITE(TRANS_CHICKEN1(pipe), | |
1079 | I915_READ(TRANS_CHICKEN1(pipe)) & | |
1080 | ~TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE); | |
1081 | } | |
1082 | ||
1083 | if (crtc->config->has_audio) | |
1084 | intel_enable_hdmi_audio(encoder); | |
b76cf76b | 1085 | } |
89b667f8 | 1086 | |
b76cf76b JN |
1087 | static void vlv_enable_hdmi(struct intel_encoder *encoder) |
1088 | { | |
5ab432ef DV |
1089 | } |
1090 | ||
1091 | static void intel_disable_hdmi(struct intel_encoder *encoder) | |
1092 | { | |
1093 | struct drm_device *dev = encoder->base.dev; | |
1094 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1095 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
495a5bb8 | 1096 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); |
5ab432ef | 1097 | u32 temp; |
5ab432ef | 1098 | |
b242b7f7 | 1099 | temp = I915_READ(intel_hdmi->hdmi_reg); |
5ab432ef | 1100 | |
1612c8bd | 1101 | temp &= ~(SDVO_ENABLE | SDVO_AUDIO_ENABLE); |
b242b7f7 PZ |
1102 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
1103 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1612c8bd VS |
1104 | |
1105 | /* | |
1106 | * HW workaround for IBX, we need to move the port | |
1107 | * to transcoder A after disabling it to allow the | |
1108 | * matching DP port to be enabled on transcoder A. | |
1109 | */ | |
1110 | if (HAS_PCH_IBX(dev) && crtc->pipe == PIPE_B) { | |
1111 | temp &= ~SDVO_PIPE_B_SELECT; | |
1112 | temp |= SDVO_ENABLE; | |
1113 | /* | |
1114 | * HW workaround, need to write this twice for issue | |
1115 | * that may result in first write getting masked. | |
1116 | */ | |
1117 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1118 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1119 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1120 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1121 | ||
1122 | temp &= ~SDVO_ENABLE; | |
1123 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1124 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1125 | } | |
6d67415f | 1126 | |
0be6f0c8 | 1127 | intel_hdmi->set_infoframes(&encoder->base, false, NULL); |
7d57382e EA |
1128 | } |
1129 | ||
a4790cec VS |
1130 | static void g4x_disable_hdmi(struct intel_encoder *encoder) |
1131 | { | |
1132 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); | |
1133 | ||
1134 | if (crtc->config->has_audio) | |
1135 | intel_audio_codec_disable(encoder); | |
1136 | ||
1137 | intel_disable_hdmi(encoder); | |
1138 | } | |
1139 | ||
1140 | static void pch_disable_hdmi(struct intel_encoder *encoder) | |
1141 | { | |
1142 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); | |
1143 | ||
1144 | if (crtc->config->has_audio) | |
1145 | intel_audio_codec_disable(encoder); | |
1146 | } | |
1147 | ||
1148 | static void pch_post_disable_hdmi(struct intel_encoder *encoder) | |
1149 | { | |
1150 | intel_disable_hdmi(encoder); | |
1151 | } | |
1152 | ||
e64e739e | 1153 | static int hdmi_port_clock_limit(struct intel_hdmi *hdmi, bool respect_dvi_limit) |
7d148ef5 DV |
1154 | { |
1155 | struct drm_device *dev = intel_hdmi_to_dev(hdmi); | |
1156 | ||
40478455 | 1157 | if ((respect_dvi_limit && !hdmi->has_hdmi_sink) || IS_G4X(dev)) |
7d148ef5 | 1158 | return 165000; |
e3c33578 | 1159 | else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) |
7d148ef5 DV |
1160 | return 300000; |
1161 | else | |
1162 | return 225000; | |
1163 | } | |
1164 | ||
e64e739e VS |
1165 | static enum drm_mode_status |
1166 | hdmi_port_clock_valid(struct intel_hdmi *hdmi, | |
1167 | int clock, bool respect_dvi_limit) | |
1168 | { | |
1169 | struct drm_device *dev = intel_hdmi_to_dev(hdmi); | |
1170 | ||
1171 | if (clock < 25000) | |
1172 | return MODE_CLOCK_LOW; | |
1173 | if (clock > hdmi_port_clock_limit(hdmi, respect_dvi_limit)) | |
1174 | return MODE_CLOCK_HIGH; | |
1175 | ||
5e6ccc0b VS |
1176 | /* BXT DPLL can't generate 223-240 MHz */ |
1177 | if (IS_BROXTON(dev) && clock > 223333 && clock < 240000) | |
1178 | return MODE_CLOCK_RANGE; | |
1179 | ||
1180 | /* CHV DPLL can't generate 216-240 MHz */ | |
1181 | if (IS_CHERRYVIEW(dev) && clock > 216000 && clock < 240000) | |
e64e739e VS |
1182 | return MODE_CLOCK_RANGE; |
1183 | ||
1184 | return MODE_OK; | |
1185 | } | |
1186 | ||
c19de8eb DL |
1187 | static enum drm_mode_status |
1188 | intel_hdmi_mode_valid(struct drm_connector *connector, | |
1189 | struct drm_display_mode *mode) | |
7d57382e | 1190 | { |
e64e739e VS |
1191 | struct intel_hdmi *hdmi = intel_attached_hdmi(connector); |
1192 | struct drm_device *dev = intel_hdmi_to_dev(hdmi); | |
1193 | enum drm_mode_status status; | |
1194 | int clock; | |
1195 | ||
1196 | if (mode->flags & DRM_MODE_FLAG_DBLSCAN) | |
1197 | return MODE_NO_DBLESCAN; | |
697c4078 | 1198 | |
e64e739e | 1199 | clock = mode->clock; |
697c4078 CT |
1200 | if (mode->flags & DRM_MODE_FLAG_DBLCLK) |
1201 | clock *= 2; | |
1202 | ||
e64e739e VS |
1203 | /* check if we can do 8bpc */ |
1204 | status = hdmi_port_clock_valid(hdmi, clock, true); | |
7d57382e | 1205 | |
e64e739e VS |
1206 | /* if we can't do 8bpc we may still be able to do 12bpc */ |
1207 | if (!HAS_GMCH_DISPLAY(dev) && status != MODE_OK) | |
1208 | status = hdmi_port_clock_valid(hdmi, clock * 3 / 2, true); | |
7d57382e | 1209 | |
e64e739e | 1210 | return status; |
7d57382e EA |
1211 | } |
1212 | ||
77f06c86 | 1213 | static bool hdmi_12bpc_possible(struct intel_crtc_state *crtc_state) |
71800632 | 1214 | { |
77f06c86 ACO |
1215 | struct drm_device *dev = crtc_state->base.crtc->dev; |
1216 | struct drm_atomic_state *state; | |
71800632 | 1217 | struct intel_encoder *encoder; |
da3ced29 | 1218 | struct drm_connector *connector; |
77f06c86 | 1219 | struct drm_connector_state *connector_state; |
71800632 | 1220 | int count = 0, count_hdmi = 0; |
77f06c86 | 1221 | int i; |
71800632 | 1222 | |
f227ae9e | 1223 | if (HAS_GMCH_DISPLAY(dev)) |
71800632 VS |
1224 | return false; |
1225 | ||
77f06c86 ACO |
1226 | state = crtc_state->base.state; |
1227 | ||
da3ced29 | 1228 | for_each_connector_in_state(state, connector, connector_state, i) { |
77f06c86 ACO |
1229 | if (connector_state->crtc != crtc_state->base.crtc) |
1230 | continue; | |
1231 | ||
1232 | encoder = to_intel_encoder(connector_state->best_encoder); | |
1233 | ||
71800632 VS |
1234 | count_hdmi += encoder->type == INTEL_OUTPUT_HDMI; |
1235 | count++; | |
1236 | } | |
1237 | ||
1238 | /* | |
1239 | * HDMI 12bpc affects the clocks, so it's only possible | |
1240 | * when not cloning with other encoder types. | |
1241 | */ | |
1242 | return count_hdmi > 0 && count_hdmi == count; | |
1243 | } | |
1244 | ||
5bfe2ac0 | 1245 | bool intel_hdmi_compute_config(struct intel_encoder *encoder, |
5cec258b | 1246 | struct intel_crtc_state *pipe_config) |
7d57382e | 1247 | { |
5bfe2ac0 DV |
1248 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
1249 | struct drm_device *dev = encoder->base.dev; | |
2d112de7 | 1250 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
e64e739e VS |
1251 | int clock_8bpc = pipe_config->base.adjusted_mode.crtc_clock; |
1252 | int clock_12bpc = clock_8bpc * 3 / 2; | |
e29c22c0 | 1253 | int desired_bpp; |
3685a8f3 | 1254 | |
6897b4b5 DV |
1255 | pipe_config->has_hdmi_sink = intel_hdmi->has_hdmi_sink; |
1256 | ||
e43823ec JB |
1257 | if (pipe_config->has_hdmi_sink) |
1258 | pipe_config->has_infoframe = true; | |
1259 | ||
55bc60db VS |
1260 | if (intel_hdmi->color_range_auto) { |
1261 | /* See CEA-861-E - 5.1 Default Encoding Parameters */ | |
0f2a2a75 VS |
1262 | pipe_config->limited_color_range = |
1263 | pipe_config->has_hdmi_sink && | |
1264 | drm_match_cea_mode(adjusted_mode) > 1; | |
1265 | } else { | |
1266 | pipe_config->limited_color_range = | |
1267 | intel_hdmi->limited_color_range; | |
55bc60db VS |
1268 | } |
1269 | ||
697c4078 CT |
1270 | if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK) { |
1271 | pipe_config->pixel_multiplier = 2; | |
e64e739e | 1272 | clock_8bpc *= 2; |
3320e37f | 1273 | clock_12bpc *= 2; |
697c4078 CT |
1274 | } |
1275 | ||
5bfe2ac0 DV |
1276 | if (HAS_PCH_SPLIT(dev) && !HAS_DDI(dev)) |
1277 | pipe_config->has_pch_encoder = true; | |
1278 | ||
9ed109a7 DV |
1279 | if (pipe_config->has_hdmi_sink && intel_hdmi->has_audio) |
1280 | pipe_config->has_audio = true; | |
1281 | ||
4e53c2e0 DV |
1282 | /* |
1283 | * HDMI is either 12 or 8, so if the display lets 10bpc sneak | |
1284 | * through, clamp it down. Note that g4x/vlv don't support 12bpc hdmi | |
325b9d04 DV |
1285 | * outputs. We also need to check that the higher clock still fits |
1286 | * within limits. | |
4e53c2e0 | 1287 | */ |
6897b4b5 | 1288 | if (pipe_config->pipe_bpp > 8*3 && pipe_config->has_hdmi_sink && |
e64e739e | 1289 | hdmi_port_clock_valid(intel_hdmi, clock_12bpc, false) == MODE_OK && |
7a0baa62 | 1290 | hdmi_12bpc_possible(pipe_config)) { |
e29c22c0 DV |
1291 | DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n"); |
1292 | desired_bpp = 12*3; | |
325b9d04 DV |
1293 | |
1294 | /* Need to adjust the port link by 1.5x for 12bpc. */ | |
ff9a6750 | 1295 | pipe_config->port_clock = clock_12bpc; |
4e53c2e0 | 1296 | } else { |
e29c22c0 DV |
1297 | DRM_DEBUG_KMS("picking bpc to 8 for HDMI output\n"); |
1298 | desired_bpp = 8*3; | |
e64e739e VS |
1299 | |
1300 | pipe_config->port_clock = clock_8bpc; | |
e29c22c0 DV |
1301 | } |
1302 | ||
1303 | if (!pipe_config->bw_constrained) { | |
1304 | DRM_DEBUG_KMS("forcing pipe bpc to %i for HDMI\n", desired_bpp); | |
1305 | pipe_config->pipe_bpp = desired_bpp; | |
4e53c2e0 DV |
1306 | } |
1307 | ||
e64e739e VS |
1308 | if (hdmi_port_clock_valid(intel_hdmi, pipe_config->port_clock, |
1309 | false) != MODE_OK) { | |
1310 | DRM_DEBUG_KMS("unsupported HDMI clock, rejecting mode\n"); | |
325b9d04 DV |
1311 | return false; |
1312 | } | |
1313 | ||
28b468a0 VS |
1314 | /* Set user selected PAR to incoming mode's member */ |
1315 | adjusted_mode->picture_aspect_ratio = intel_hdmi->aspect_ratio; | |
1316 | ||
7d57382e EA |
1317 | return true; |
1318 | } | |
1319 | ||
953ece69 CW |
1320 | static void |
1321 | intel_hdmi_unset_edid(struct drm_connector *connector) | |
9dff6af8 | 1322 | { |
df0e9248 | 1323 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); |
9dff6af8 | 1324 | |
953ece69 CW |
1325 | intel_hdmi->has_hdmi_sink = false; |
1326 | intel_hdmi->has_audio = false; | |
1327 | intel_hdmi->rgb_quant_range_selectable = false; | |
1328 | ||
1329 | kfree(to_intel_connector(connector)->detect_edid); | |
1330 | to_intel_connector(connector)->detect_edid = NULL; | |
1331 | } | |
1332 | ||
1333 | static bool | |
237ed86c | 1334 | intel_hdmi_set_edid(struct drm_connector *connector, bool force) |
953ece69 CW |
1335 | { |
1336 | struct drm_i915_private *dev_priv = to_i915(connector->dev); | |
1337 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); | |
1338 | struct intel_encoder *intel_encoder = | |
1339 | &hdmi_to_dig_port(intel_hdmi)->base; | |
1340 | enum intel_display_power_domain power_domain; | |
237ed86c | 1341 | struct edid *edid = NULL; |
953ece69 | 1342 | bool connected = false; |
164c8598 | 1343 | |
671dedd2 ID |
1344 | power_domain = intel_display_port_power_domain(intel_encoder); |
1345 | intel_display_power_get(dev_priv, power_domain); | |
1346 | ||
237ed86c SJ |
1347 | if (force) |
1348 | edid = drm_get_edid(connector, | |
1349 | intel_gmbus_get_adapter(dev_priv, | |
1350 | intel_hdmi->ddc_bus)); | |
2ded9e27 | 1351 | |
953ece69 | 1352 | intel_display_power_put(dev_priv, power_domain); |
30ad48b7 | 1353 | |
953ece69 CW |
1354 | to_intel_connector(connector)->detect_edid = edid; |
1355 | if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) { | |
1356 | intel_hdmi->rgb_quant_range_selectable = | |
1357 | drm_rgb_quant_range_selectable(edid); | |
1358 | ||
1359 | intel_hdmi->has_audio = drm_detect_monitor_audio(edid); | |
b1d7e4b4 WF |
1360 | if (intel_hdmi->force_audio != HDMI_AUDIO_AUTO) |
1361 | intel_hdmi->has_audio = | |
953ece69 CW |
1362 | intel_hdmi->force_audio == HDMI_AUDIO_ON; |
1363 | ||
1364 | if (intel_hdmi->force_audio != HDMI_AUDIO_OFF_DVI) | |
1365 | intel_hdmi->has_hdmi_sink = | |
1366 | drm_detect_hdmi_monitor(edid); | |
1367 | ||
1368 | connected = true; | |
55b7d6e8 CW |
1369 | } |
1370 | ||
953ece69 CW |
1371 | return connected; |
1372 | } | |
1373 | ||
8166fcea DV |
1374 | static enum drm_connector_status |
1375 | intel_hdmi_detect(struct drm_connector *connector, bool force) | |
953ece69 | 1376 | { |
8166fcea DV |
1377 | enum drm_connector_status status; |
1378 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); | |
1379 | struct drm_i915_private *dev_priv = to_i915(connector->dev); | |
237ed86c SJ |
1380 | bool live_status = false; |
1381 | unsigned int retry = 3; | |
953ece69 | 1382 | |
8166fcea DV |
1383 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1384 | connector->base.id, connector->name); | |
1385 | ||
237ed86c SJ |
1386 | while (!live_status && --retry) { |
1387 | live_status = intel_digital_port_connected(dev_priv, | |
1388 | hdmi_to_dig_port(intel_hdmi)); | |
1389 | mdelay(10); | |
1390 | } | |
1391 | ||
1392 | if (!live_status) | |
1393 | DRM_DEBUG_KMS("Live status not up!"); | |
1394 | ||
8166fcea | 1395 | intel_hdmi_unset_edid(connector); |
0b5e88dc | 1396 | |
8166fcea | 1397 | if (intel_hdmi_set_edid(connector, live_status)) { |
953ece69 CW |
1398 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); |
1399 | ||
1400 | hdmi_to_dig_port(intel_hdmi)->base.type = INTEL_OUTPUT_HDMI; | |
1401 | status = connector_status_connected; | |
8166fcea | 1402 | } else |
953ece69 | 1403 | status = connector_status_disconnected; |
671dedd2 | 1404 | |
2ded9e27 | 1405 | return status; |
7d57382e EA |
1406 | } |
1407 | ||
953ece69 CW |
1408 | static void |
1409 | intel_hdmi_force(struct drm_connector *connector) | |
7d57382e | 1410 | { |
953ece69 | 1411 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); |
7d57382e | 1412 | |
953ece69 CW |
1413 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1414 | connector->base.id, connector->name); | |
7d57382e | 1415 | |
953ece69 | 1416 | intel_hdmi_unset_edid(connector); |
671dedd2 | 1417 | |
953ece69 CW |
1418 | if (connector->status != connector_status_connected) |
1419 | return; | |
671dedd2 | 1420 | |
237ed86c | 1421 | intel_hdmi_set_edid(connector, true); |
953ece69 CW |
1422 | hdmi_to_dig_port(intel_hdmi)->base.type = INTEL_OUTPUT_HDMI; |
1423 | } | |
671dedd2 | 1424 | |
953ece69 CW |
1425 | static int intel_hdmi_get_modes(struct drm_connector *connector) |
1426 | { | |
1427 | struct edid *edid; | |
1428 | ||
1429 | edid = to_intel_connector(connector)->detect_edid; | |
1430 | if (edid == NULL) | |
1431 | return 0; | |
671dedd2 | 1432 | |
953ece69 | 1433 | return intel_connector_update_modes(connector, edid); |
7d57382e EA |
1434 | } |
1435 | ||
1aad7ac0 CW |
1436 | static bool |
1437 | intel_hdmi_detect_audio(struct drm_connector *connector) | |
1438 | { | |
1aad7ac0 | 1439 | bool has_audio = false; |
953ece69 | 1440 | struct edid *edid; |
1aad7ac0 | 1441 | |
953ece69 CW |
1442 | edid = to_intel_connector(connector)->detect_edid; |
1443 | if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) | |
1444 | has_audio = drm_detect_monitor_audio(edid); | |
671dedd2 | 1445 | |
1aad7ac0 CW |
1446 | return has_audio; |
1447 | } | |
1448 | ||
55b7d6e8 CW |
1449 | static int |
1450 | intel_hdmi_set_property(struct drm_connector *connector, | |
ed517fbb PZ |
1451 | struct drm_property *property, |
1452 | uint64_t val) | |
55b7d6e8 CW |
1453 | { |
1454 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); | |
da63a9f2 PZ |
1455 | struct intel_digital_port *intel_dig_port = |
1456 | hdmi_to_dig_port(intel_hdmi); | |
e953fd7b | 1457 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
55b7d6e8 CW |
1458 | int ret; |
1459 | ||
662595df | 1460 | ret = drm_object_property_set_value(&connector->base, property, val); |
55b7d6e8 CW |
1461 | if (ret) |
1462 | return ret; | |
1463 | ||
3f43c48d | 1464 | if (property == dev_priv->force_audio_property) { |
b1d7e4b4 | 1465 | enum hdmi_force_audio i = val; |
1aad7ac0 CW |
1466 | bool has_audio; |
1467 | ||
1468 | if (i == intel_hdmi->force_audio) | |
55b7d6e8 CW |
1469 | return 0; |
1470 | ||
1aad7ac0 | 1471 | intel_hdmi->force_audio = i; |
55b7d6e8 | 1472 | |
b1d7e4b4 | 1473 | if (i == HDMI_AUDIO_AUTO) |
1aad7ac0 CW |
1474 | has_audio = intel_hdmi_detect_audio(connector); |
1475 | else | |
b1d7e4b4 | 1476 | has_audio = (i == HDMI_AUDIO_ON); |
1aad7ac0 | 1477 | |
b1d7e4b4 WF |
1478 | if (i == HDMI_AUDIO_OFF_DVI) |
1479 | intel_hdmi->has_hdmi_sink = 0; | |
55b7d6e8 | 1480 | |
1aad7ac0 | 1481 | intel_hdmi->has_audio = has_audio; |
55b7d6e8 CW |
1482 | goto done; |
1483 | } | |
1484 | ||
e953fd7b | 1485 | if (property == dev_priv->broadcast_rgb_property) { |
ae4edb80 | 1486 | bool old_auto = intel_hdmi->color_range_auto; |
0f2a2a75 | 1487 | bool old_range = intel_hdmi->limited_color_range; |
ae4edb80 | 1488 | |
55bc60db VS |
1489 | switch (val) { |
1490 | case INTEL_BROADCAST_RGB_AUTO: | |
1491 | intel_hdmi->color_range_auto = true; | |
1492 | break; | |
1493 | case INTEL_BROADCAST_RGB_FULL: | |
1494 | intel_hdmi->color_range_auto = false; | |
0f2a2a75 | 1495 | intel_hdmi->limited_color_range = false; |
55bc60db VS |
1496 | break; |
1497 | case INTEL_BROADCAST_RGB_LIMITED: | |
1498 | intel_hdmi->color_range_auto = false; | |
0f2a2a75 | 1499 | intel_hdmi->limited_color_range = true; |
55bc60db VS |
1500 | break; |
1501 | default: | |
1502 | return -EINVAL; | |
1503 | } | |
ae4edb80 DV |
1504 | |
1505 | if (old_auto == intel_hdmi->color_range_auto && | |
0f2a2a75 | 1506 | old_range == intel_hdmi->limited_color_range) |
ae4edb80 DV |
1507 | return 0; |
1508 | ||
e953fd7b CW |
1509 | goto done; |
1510 | } | |
1511 | ||
94a11ddc VK |
1512 | if (property == connector->dev->mode_config.aspect_ratio_property) { |
1513 | switch (val) { | |
1514 | case DRM_MODE_PICTURE_ASPECT_NONE: | |
1515 | intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE; | |
1516 | break; | |
1517 | case DRM_MODE_PICTURE_ASPECT_4_3: | |
1518 | intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_4_3; | |
1519 | break; | |
1520 | case DRM_MODE_PICTURE_ASPECT_16_9: | |
1521 | intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_16_9; | |
1522 | break; | |
1523 | default: | |
1524 | return -EINVAL; | |
1525 | } | |
1526 | goto done; | |
1527 | } | |
1528 | ||
55b7d6e8 CW |
1529 | return -EINVAL; |
1530 | ||
1531 | done: | |
c0c36b94 CW |
1532 | if (intel_dig_port->base.base.crtc) |
1533 | intel_crtc_restore_mode(intel_dig_port->base.base.crtc); | |
55b7d6e8 CW |
1534 | |
1535 | return 0; | |
1536 | } | |
1537 | ||
13732ba7 JB |
1538 | static void intel_hdmi_pre_enable(struct intel_encoder *encoder) |
1539 | { | |
1540 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
1541 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); | |
7c5f93b0 | 1542 | const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode; |
13732ba7 | 1543 | |
4cde8a21 DV |
1544 | intel_hdmi_prepare(encoder); |
1545 | ||
6897b4b5 | 1546 | intel_hdmi->set_infoframes(&encoder->base, |
6e3c9717 | 1547 | intel_crtc->config->has_hdmi_sink, |
6897b4b5 | 1548 | adjusted_mode); |
13732ba7 JB |
1549 | } |
1550 | ||
9514ac6e | 1551 | static void vlv_hdmi_pre_enable(struct intel_encoder *encoder) |
89b667f8 JB |
1552 | { |
1553 | struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); | |
13732ba7 | 1554 | struct intel_hdmi *intel_hdmi = &dport->hdmi; |
89b667f8 JB |
1555 | struct drm_device *dev = encoder->base.dev; |
1556 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1557 | struct intel_crtc *intel_crtc = | |
1558 | to_intel_crtc(encoder->base.crtc); | |
7c5f93b0 | 1559 | const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode; |
e4607fcf | 1560 | enum dpio_channel port = vlv_dport_to_channel(dport); |
89b667f8 JB |
1561 | int pipe = intel_crtc->pipe; |
1562 | u32 val; | |
1563 | ||
89b667f8 | 1564 | /* Enable clock channels for this port */ |
a580516d | 1565 | mutex_lock(&dev_priv->sb_lock); |
ab3c759a | 1566 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port)); |
89b667f8 JB |
1567 | val = 0; |
1568 | if (pipe) | |
1569 | val |= (1<<21); | |
1570 | else | |
1571 | val &= ~(1<<21); | |
1572 | val |= 0x001000c4; | |
ab3c759a | 1573 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val); |
89b667f8 JB |
1574 | |
1575 | /* HDMI 1.0V-2dB */ | |
ab3c759a CML |
1576 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), 0); |
1577 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW4(port), 0x2b245f5f); | |
1578 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW2(port), 0x5578b83a); | |
1579 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW3(port), 0x0c782040); | |
1580 | vlv_dpio_write(dev_priv, pipe, VLV_TX3_DW4(port), 0x2b247878); | |
1581 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW11(port), 0x00030000); | |
1582 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000); | |
1583 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN); | |
89b667f8 JB |
1584 | |
1585 | /* Program lane clock */ | |
ab3c759a CML |
1586 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018); |
1587 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888); | |
a580516d | 1588 | mutex_unlock(&dev_priv->sb_lock); |
b76cf76b | 1589 | |
6897b4b5 | 1590 | intel_hdmi->set_infoframes(&encoder->base, |
6e3c9717 | 1591 | intel_crtc->config->has_hdmi_sink, |
6897b4b5 | 1592 | adjusted_mode); |
13732ba7 | 1593 | |
bf868c7d | 1594 | g4x_enable_hdmi(encoder); |
b76cf76b | 1595 | |
9b6de0a1 | 1596 | vlv_wait_port_ready(dev_priv, dport, 0x0); |
89b667f8 JB |
1597 | } |
1598 | ||
9514ac6e | 1599 | static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder) |
89b667f8 JB |
1600 | { |
1601 | struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); | |
1602 | struct drm_device *dev = encoder->base.dev; | |
1603 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5e69f97f CML |
1604 | struct intel_crtc *intel_crtc = |
1605 | to_intel_crtc(encoder->base.crtc); | |
e4607fcf | 1606 | enum dpio_channel port = vlv_dport_to_channel(dport); |
5e69f97f | 1607 | int pipe = intel_crtc->pipe; |
89b667f8 | 1608 | |
4cde8a21 DV |
1609 | intel_hdmi_prepare(encoder); |
1610 | ||
89b667f8 | 1611 | /* Program Tx lane resets to default */ |
a580516d | 1612 | mutex_lock(&dev_priv->sb_lock); |
ab3c759a | 1613 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port), |
89b667f8 JB |
1614 | DPIO_PCS_TX_LANE2_RESET | |
1615 | DPIO_PCS_TX_LANE1_RESET); | |
ab3c759a | 1616 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port), |
89b667f8 JB |
1617 | DPIO_PCS_CLK_CRI_RXEB_EIOS_EN | |
1618 | DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN | | |
1619 | (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) | | |
1620 | DPIO_PCS_CLK_SOFT_RESET); | |
1621 | ||
1622 | /* Fix up inter-pair skew failure */ | |
ab3c759a CML |
1623 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00); |
1624 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500); | |
1625 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000); | |
1626 | ||
1627 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000); | |
1628 | vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN); | |
a580516d | 1629 | mutex_unlock(&dev_priv->sb_lock); |
89b667f8 JB |
1630 | } |
1631 | ||
a8f327fb VS |
1632 | static void chv_data_lane_soft_reset(struct intel_encoder *encoder, |
1633 | bool reset) | |
1634 | { | |
1635 | struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); | |
1636 | enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(&encoder->base)); | |
1637 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); | |
1638 | enum pipe pipe = crtc->pipe; | |
1639 | uint32_t val; | |
1640 | ||
1641 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW0(ch)); | |
1642 | if (reset) | |
1643 | val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET); | |
1644 | else | |
1645 | val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET; | |
1646 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW0(ch), val); | |
1647 | ||
1648 | if (crtc->config->lane_count > 2) { | |
1649 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW0(ch)); | |
1650 | if (reset) | |
1651 | val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET); | |
1652 | else | |
1653 | val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET; | |
1654 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW0(ch), val); | |
1655 | } | |
1656 | ||
1657 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch)); | |
1658 | val |= CHV_PCS_REQ_SOFTRESET_EN; | |
1659 | if (reset) | |
1660 | val &= ~DPIO_PCS_CLK_SOFT_RESET; | |
1661 | else | |
1662 | val |= DPIO_PCS_CLK_SOFT_RESET; | |
1663 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW1(ch), val); | |
1664 | ||
1665 | if (crtc->config->lane_count > 2) { | |
1666 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW1(ch)); | |
1667 | val |= CHV_PCS_REQ_SOFTRESET_EN; | |
1668 | if (reset) | |
1669 | val &= ~DPIO_PCS_CLK_SOFT_RESET; | |
1670 | else | |
1671 | val |= DPIO_PCS_CLK_SOFT_RESET; | |
1672 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW1(ch), val); | |
1673 | } | |
1674 | } | |
1675 | ||
9197c88b VS |
1676 | static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder) |
1677 | { | |
1678 | struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); | |
1679 | struct drm_device *dev = encoder->base.dev; | |
1680 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1681 | struct intel_crtc *intel_crtc = | |
1682 | to_intel_crtc(encoder->base.crtc); | |
1683 | enum dpio_channel ch = vlv_dport_to_channel(dport); | |
1684 | enum pipe pipe = intel_crtc->pipe; | |
1685 | u32 val; | |
1686 | ||
625695f8 VS |
1687 | intel_hdmi_prepare(encoder); |
1688 | ||
b0b33846 VS |
1689 | /* |
1690 | * Must trick the second common lane into life. | |
1691 | * Otherwise we can't even access the PLL. | |
1692 | */ | |
1693 | if (ch == DPIO_CH0 && pipe == PIPE_B) | |
1694 | dport->release_cl2_override = | |
1695 | !chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, true); | |
1696 | ||
e0fce78f VS |
1697 | chv_phy_powergate_lanes(encoder, true, 0x0); |
1698 | ||
a580516d | 1699 | mutex_lock(&dev_priv->sb_lock); |
9197c88b | 1700 | |
a8f327fb VS |
1701 | /* Assert data lane reset */ |
1702 | chv_data_lane_soft_reset(encoder, true); | |
1703 | ||
b9e5ac3c VS |
1704 | /* program left/right clock distribution */ |
1705 | if (pipe != PIPE_B) { | |
1706 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0); | |
1707 | val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK); | |
1708 | if (ch == DPIO_CH0) | |
1709 | val |= CHV_BUFLEFTENA1_FORCE; | |
1710 | if (ch == DPIO_CH1) | |
1711 | val |= CHV_BUFRIGHTENA1_FORCE; | |
1712 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val); | |
1713 | } else { | |
1714 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1); | |
1715 | val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK); | |
1716 | if (ch == DPIO_CH0) | |
1717 | val |= CHV_BUFLEFTENA2_FORCE; | |
1718 | if (ch == DPIO_CH1) | |
1719 | val |= CHV_BUFRIGHTENA2_FORCE; | |
1720 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val); | |
1721 | } | |
1722 | ||
9197c88b VS |
1723 | /* program clock channel usage */ |
1724 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(ch)); | |
1725 | val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE; | |
1726 | if (pipe != PIPE_B) | |
1727 | val &= ~CHV_PCS_USEDCLKCHANNEL; | |
1728 | else | |
1729 | val |= CHV_PCS_USEDCLKCHANNEL; | |
1730 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW8(ch), val); | |
1731 | ||
1732 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW8(ch)); | |
1733 | val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE; | |
1734 | if (pipe != PIPE_B) | |
1735 | val &= ~CHV_PCS_USEDCLKCHANNEL; | |
1736 | else | |
1737 | val |= CHV_PCS_USEDCLKCHANNEL; | |
1738 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW8(ch), val); | |
1739 | ||
1740 | /* | |
1741 | * This a a bit weird since generally CL | |
1742 | * matches the pipe, but here we need to | |
1743 | * pick the CL based on the port. | |
1744 | */ | |
1745 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW19(ch)); | |
1746 | if (pipe != PIPE_B) | |
1747 | val &= ~CHV_CMN_USEDCLKCHANNEL; | |
1748 | else | |
1749 | val |= CHV_CMN_USEDCLKCHANNEL; | |
1750 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW19(ch), val); | |
1751 | ||
a580516d | 1752 | mutex_unlock(&dev_priv->sb_lock); |
9197c88b VS |
1753 | } |
1754 | ||
d6db995f VS |
1755 | static void chv_hdmi_post_pll_disable(struct intel_encoder *encoder) |
1756 | { | |
1757 | struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); | |
1758 | enum pipe pipe = to_intel_crtc(encoder->base.crtc)->pipe; | |
1759 | u32 val; | |
1760 | ||
1761 | mutex_lock(&dev_priv->sb_lock); | |
1762 | ||
1763 | /* disable left/right clock distribution */ | |
1764 | if (pipe != PIPE_B) { | |
1765 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0); | |
1766 | val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK); | |
1767 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val); | |
1768 | } else { | |
1769 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1); | |
1770 | val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK); | |
1771 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val); | |
1772 | } | |
1773 | ||
1774 | mutex_unlock(&dev_priv->sb_lock); | |
e0fce78f | 1775 | |
b0b33846 VS |
1776 | /* |
1777 | * Leave the power down bit cleared for at least one | |
1778 | * lane so that chv_powergate_phy_ch() will power | |
1779 | * on something when the channel is otherwise unused. | |
1780 | * When the port is off and the override is removed | |
1781 | * the lanes power down anyway, so otherwise it doesn't | |
1782 | * really matter what the state of power down bits is | |
1783 | * after this. | |
1784 | */ | |
e0fce78f | 1785 | chv_phy_powergate_lanes(encoder, false, 0x0); |
d6db995f VS |
1786 | } |
1787 | ||
9514ac6e | 1788 | static void vlv_hdmi_post_disable(struct intel_encoder *encoder) |
89b667f8 JB |
1789 | { |
1790 | struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); | |
1791 | struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; | |
5e69f97f CML |
1792 | struct intel_crtc *intel_crtc = |
1793 | to_intel_crtc(encoder->base.crtc); | |
e4607fcf | 1794 | enum dpio_channel port = vlv_dport_to_channel(dport); |
5e69f97f | 1795 | int pipe = intel_crtc->pipe; |
89b667f8 JB |
1796 | |
1797 | /* Reset lanes to avoid HDMI flicker (VLV w/a) */ | |
a580516d | 1798 | mutex_lock(&dev_priv->sb_lock); |
ab3c759a CML |
1799 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port), 0x00000000); |
1800 | vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port), 0x00e00060); | |
a580516d | 1801 | mutex_unlock(&dev_priv->sb_lock); |
89b667f8 JB |
1802 | } |
1803 | ||
580d3811 VS |
1804 | static void chv_hdmi_post_disable(struct intel_encoder *encoder) |
1805 | { | |
580d3811 VS |
1806 | struct drm_device *dev = encoder->base.dev; |
1807 | struct drm_i915_private *dev_priv = dev->dev_private; | |
580d3811 | 1808 | |
a580516d | 1809 | mutex_lock(&dev_priv->sb_lock); |
580d3811 | 1810 | |
a8f327fb VS |
1811 | /* Assert data lane reset */ |
1812 | chv_data_lane_soft_reset(encoder, true); | |
580d3811 | 1813 | |
a580516d | 1814 | mutex_unlock(&dev_priv->sb_lock); |
580d3811 VS |
1815 | } |
1816 | ||
e4a1d846 CML |
1817 | static void chv_hdmi_pre_enable(struct intel_encoder *encoder) |
1818 | { | |
1819 | struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); | |
b4eb1564 | 1820 | struct intel_hdmi *intel_hdmi = &dport->hdmi; |
e4a1d846 CML |
1821 | struct drm_device *dev = encoder->base.dev; |
1822 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1823 | struct intel_crtc *intel_crtc = | |
1824 | to_intel_crtc(encoder->base.crtc); | |
7c5f93b0 | 1825 | const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode; |
e4a1d846 CML |
1826 | enum dpio_channel ch = vlv_dport_to_channel(dport); |
1827 | int pipe = intel_crtc->pipe; | |
2e523e98 | 1828 | int data, i, stagger; |
e4a1d846 CML |
1829 | u32 val; |
1830 | ||
a580516d | 1831 | mutex_lock(&dev_priv->sb_lock); |
949c1d43 | 1832 | |
570e2a74 VS |
1833 | /* allow hardware to manage TX FIFO reset source */ |
1834 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch)); | |
1835 | val &= ~DPIO_LANEDESKEW_STRAP_OVRD; | |
1836 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val); | |
1837 | ||
1838 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch)); | |
1839 | val &= ~DPIO_LANEDESKEW_STRAP_OVRD; | |
1840 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val); | |
1841 | ||
949c1d43 | 1842 | /* Program Tx latency optimal setting */ |
e4a1d846 | 1843 | for (i = 0; i < 4; i++) { |
e4a1d846 CML |
1844 | /* Set the upar bit */ |
1845 | data = (i == 1) ? 0x0 : 0x1; | |
1846 | vlv_dpio_write(dev_priv, pipe, CHV_TX_DW14(ch, i), | |
1847 | data << DPIO_UPAR_SHIFT); | |
1848 | } | |
1849 | ||
1850 | /* Data lane stagger programming */ | |
2e523e98 VS |
1851 | if (intel_crtc->config->port_clock > 270000) |
1852 | stagger = 0x18; | |
1853 | else if (intel_crtc->config->port_clock > 135000) | |
1854 | stagger = 0xd; | |
1855 | else if (intel_crtc->config->port_clock > 67500) | |
1856 | stagger = 0x7; | |
1857 | else if (intel_crtc->config->port_clock > 33750) | |
1858 | stagger = 0x4; | |
1859 | else | |
1860 | stagger = 0x2; | |
1861 | ||
1862 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch)); | |
1863 | val |= DPIO_TX2_STAGGER_MASK(0x1f); | |
1864 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val); | |
1865 | ||
1866 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch)); | |
1867 | val |= DPIO_TX2_STAGGER_MASK(0x1f); | |
1868 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val); | |
1869 | ||
1870 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW12(ch), | |
1871 | DPIO_LANESTAGGER_STRAP(stagger) | | |
1872 | DPIO_LANESTAGGER_STRAP_OVRD | | |
1873 | DPIO_TX1_STAGGER_MASK(0x1f) | | |
1874 | DPIO_TX1_STAGGER_MULT(6) | | |
1875 | DPIO_TX2_STAGGER_MULT(0)); | |
1876 | ||
1877 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW12(ch), | |
1878 | DPIO_LANESTAGGER_STRAP(stagger) | | |
1879 | DPIO_LANESTAGGER_STRAP_OVRD | | |
1880 | DPIO_TX1_STAGGER_MASK(0x1f) | | |
1881 | DPIO_TX1_STAGGER_MULT(7) | | |
1882 | DPIO_TX2_STAGGER_MULT(5)); | |
e4a1d846 | 1883 | |
a8f327fb VS |
1884 | /* Deassert data lane reset */ |
1885 | chv_data_lane_soft_reset(encoder, false); | |
1886 | ||
e4a1d846 | 1887 | /* Clear calc init */ |
1966e59e VS |
1888 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch)); |
1889 | val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3); | |
a02ef3c7 VS |
1890 | val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK); |
1891 | val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5; | |
1966e59e VS |
1892 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val); |
1893 | ||
1894 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch)); | |
1895 | val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3); | |
a02ef3c7 VS |
1896 | val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK); |
1897 | val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5; | |
1966e59e | 1898 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val); |
e4a1d846 | 1899 | |
a02ef3c7 VS |
1900 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW9(ch)); |
1901 | val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK); | |
1902 | val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000; | |
1903 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW9(ch), val); | |
1904 | ||
1905 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW9(ch)); | |
1906 | val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK); | |
1907 | val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000; | |
1908 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW9(ch), val); | |
1909 | ||
e4a1d846 CML |
1910 | /* FIXME: Program the support xxx V-dB */ |
1911 | /* Use 800mV-0dB */ | |
f72df8db VS |
1912 | for (i = 0; i < 4; i++) { |
1913 | val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW4(ch, i)); | |
1914 | val &= ~DPIO_SWING_DEEMPH9P5_MASK; | |
1915 | val |= 128 << DPIO_SWING_DEEMPH9P5_SHIFT; | |
1916 | vlv_dpio_write(dev_priv, pipe, CHV_TX_DW4(ch, i), val); | |
1917 | } | |
e4a1d846 | 1918 | |
f72df8db VS |
1919 | for (i = 0; i < 4; i++) { |
1920 | val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i)); | |
67fa24b4 | 1921 | |
1fb44505 VS |
1922 | val &= ~DPIO_SWING_MARGIN000_MASK; |
1923 | val |= 102 << DPIO_SWING_MARGIN000_SHIFT; | |
67fa24b4 VS |
1924 | |
1925 | /* | |
1926 | * Supposedly this value shouldn't matter when unique transition | |
1927 | * scale is disabled, but in fact it does matter. Let's just | |
1928 | * always program the same value and hope it's OK. | |
1929 | */ | |
1930 | val &= ~(0xff << DPIO_UNIQ_TRANS_SCALE_SHIFT); | |
1931 | val |= 0x9a << DPIO_UNIQ_TRANS_SCALE_SHIFT; | |
1932 | ||
f72df8db VS |
1933 | vlv_dpio_write(dev_priv, pipe, CHV_TX_DW2(ch, i), val); |
1934 | } | |
e4a1d846 | 1935 | |
67fa24b4 VS |
1936 | /* |
1937 | * The document said it needs to set bit 27 for ch0 and bit 26 | |
1938 | * for ch1. Might be a typo in the doc. | |
1939 | * For now, for this unique transition scale selection, set bit | |
1940 | * 27 for ch0 and ch1. | |
1941 | */ | |
f72df8db VS |
1942 | for (i = 0; i < 4; i++) { |
1943 | val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW3(ch, i)); | |
1944 | val &= ~DPIO_TX_UNIQ_TRANS_SCALE_EN; | |
1945 | vlv_dpio_write(dev_priv, pipe, CHV_TX_DW3(ch, i), val); | |
1946 | } | |
e4a1d846 | 1947 | |
e4a1d846 | 1948 | /* Start swing calculation */ |
1966e59e VS |
1949 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch)); |
1950 | val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3; | |
1951 | vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val); | |
1952 | ||
1953 | val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch)); | |
1954 | val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3; | |
1955 | vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val); | |
e4a1d846 | 1956 | |
a580516d | 1957 | mutex_unlock(&dev_priv->sb_lock); |
e4a1d846 | 1958 | |
b4eb1564 | 1959 | intel_hdmi->set_infoframes(&encoder->base, |
6e3c9717 | 1960 | intel_crtc->config->has_hdmi_sink, |
b4eb1564 CT |
1961 | adjusted_mode); |
1962 | ||
bf868c7d | 1963 | g4x_enable_hdmi(encoder); |
e4a1d846 | 1964 | |
9b6de0a1 | 1965 | vlv_wait_port_ready(dev_priv, dport, 0x0); |
b0b33846 VS |
1966 | |
1967 | /* Second common lane will stay alive on its own now */ | |
1968 | if (dport->release_cl2_override) { | |
1969 | chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, false); | |
1970 | dport->release_cl2_override = false; | |
1971 | } | |
e4a1d846 CML |
1972 | } |
1973 | ||
7d57382e EA |
1974 | static void intel_hdmi_destroy(struct drm_connector *connector) |
1975 | { | |
10e972d3 | 1976 | kfree(to_intel_connector(connector)->detect_edid); |
7d57382e | 1977 | drm_connector_cleanup(connector); |
674e2d08 | 1978 | kfree(connector); |
7d57382e EA |
1979 | } |
1980 | ||
7d57382e | 1981 | static const struct drm_connector_funcs intel_hdmi_connector_funcs = { |
4d688a2a | 1982 | .dpms = drm_atomic_helper_connector_dpms, |
7d57382e | 1983 | .detect = intel_hdmi_detect, |
953ece69 | 1984 | .force = intel_hdmi_force, |
7d57382e | 1985 | .fill_modes = drm_helper_probe_single_connector_modes, |
55b7d6e8 | 1986 | .set_property = intel_hdmi_set_property, |
2545e4a6 | 1987 | .atomic_get_property = intel_connector_atomic_get_property, |
7d57382e | 1988 | .destroy = intel_hdmi_destroy, |
c6f95f27 | 1989 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, |
98969725 | 1990 | .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, |
7d57382e EA |
1991 | }; |
1992 | ||
1993 | static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = { | |
1994 | .get_modes = intel_hdmi_get_modes, | |
1995 | .mode_valid = intel_hdmi_mode_valid, | |
df0e9248 | 1996 | .best_encoder = intel_best_encoder, |
7d57382e EA |
1997 | }; |
1998 | ||
7d57382e | 1999 | static const struct drm_encoder_funcs intel_hdmi_enc_funcs = { |
ea5b213a | 2000 | .destroy = intel_encoder_destroy, |
7d57382e EA |
2001 | }; |
2002 | ||
55b7d6e8 CW |
2003 | static void |
2004 | intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector) | |
2005 | { | |
3f43c48d | 2006 | intel_attach_force_audio_property(connector); |
e953fd7b | 2007 | intel_attach_broadcast_rgb_property(connector); |
55bc60db | 2008 | intel_hdmi->color_range_auto = true; |
94a11ddc VK |
2009 | intel_attach_aspect_ratio_property(connector); |
2010 | intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE; | |
55b7d6e8 CW |
2011 | } |
2012 | ||
00c09d70 PZ |
2013 | void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, |
2014 | struct intel_connector *intel_connector) | |
7d57382e | 2015 | { |
b9cb234c PZ |
2016 | struct drm_connector *connector = &intel_connector->base; |
2017 | struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; | |
2018 | struct intel_encoder *intel_encoder = &intel_dig_port->base; | |
2019 | struct drm_device *dev = intel_encoder->base.dev; | |
7d57382e | 2020 | struct drm_i915_private *dev_priv = dev->dev_private; |
174edf1f | 2021 | enum port port = intel_dig_port->port; |
11c1b657 | 2022 | uint8_t alternate_ddc_pin; |
373a3cf7 | 2023 | |
7d57382e | 2024 | drm_connector_init(dev, connector, &intel_hdmi_connector_funcs, |
8d91104a | 2025 | DRM_MODE_CONNECTOR_HDMIA); |
7d57382e EA |
2026 | drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs); |
2027 | ||
c3febcc4 | 2028 | connector->interlace_allowed = 1; |
7d57382e | 2029 | connector->doublescan_allowed = 0; |
573e74ad | 2030 | connector->stereo_allowed = 1; |
66a9278e | 2031 | |
08d644ad DV |
2032 | switch (port) { |
2033 | case PORT_B: | |
4c272834 JN |
2034 | if (IS_BROXTON(dev_priv)) |
2035 | intel_hdmi->ddc_bus = GMBUS_PIN_1_BXT; | |
2036 | else | |
2037 | intel_hdmi->ddc_bus = GMBUS_PIN_DPB; | |
cf1d5883 SJ |
2038 | /* |
2039 | * On BXT A0/A1, sw needs to activate DDIA HPD logic and | |
2040 | * interrupts to check the external panel connection. | |
2041 | */ | |
e87a005d | 2042 | if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) |
cf1d5883 SJ |
2043 | intel_encoder->hpd_pin = HPD_PORT_A; |
2044 | else | |
2045 | intel_encoder->hpd_pin = HPD_PORT_B; | |
08d644ad DV |
2046 | break; |
2047 | case PORT_C: | |
4c272834 JN |
2048 | if (IS_BROXTON(dev_priv)) |
2049 | intel_hdmi->ddc_bus = GMBUS_PIN_2_BXT; | |
2050 | else | |
2051 | intel_hdmi->ddc_bus = GMBUS_PIN_DPC; | |
1d843f9d | 2052 | intel_encoder->hpd_pin = HPD_PORT_C; |
08d644ad DV |
2053 | break; |
2054 | case PORT_D: | |
4c272834 JN |
2055 | if (WARN_ON(IS_BROXTON(dev_priv))) |
2056 | intel_hdmi->ddc_bus = GMBUS_PIN_DISABLED; | |
2057 | else if (IS_CHERRYVIEW(dev_priv)) | |
988c7015 | 2058 | intel_hdmi->ddc_bus = GMBUS_PIN_DPD_CHV; |
c0c35329 | 2059 | else |
988c7015 | 2060 | intel_hdmi->ddc_bus = GMBUS_PIN_DPD; |
1d843f9d | 2061 | intel_encoder->hpd_pin = HPD_PORT_D; |
08d644ad | 2062 | break; |
11c1b657 XZ |
2063 | case PORT_E: |
2064 | /* On SKL PORT E doesn't have seperate GMBUS pin | |
2065 | * We rely on VBT to set a proper alternate GMBUS pin. */ | |
2066 | alternate_ddc_pin = | |
2067 | dev_priv->vbt.ddi_port_info[PORT_E].alternate_ddc_pin; | |
2068 | switch (alternate_ddc_pin) { | |
2069 | case DDC_PIN_B: | |
2070 | intel_hdmi->ddc_bus = GMBUS_PIN_DPB; | |
2071 | break; | |
2072 | case DDC_PIN_C: | |
2073 | intel_hdmi->ddc_bus = GMBUS_PIN_DPC; | |
2074 | break; | |
2075 | case DDC_PIN_D: | |
2076 | intel_hdmi->ddc_bus = GMBUS_PIN_DPD; | |
2077 | break; | |
2078 | default: | |
2079 | MISSING_CASE(alternate_ddc_pin); | |
2080 | } | |
2081 | intel_encoder->hpd_pin = HPD_PORT_E; | |
2082 | break; | |
08d644ad | 2083 | case PORT_A: |
1d843f9d | 2084 | intel_encoder->hpd_pin = HPD_PORT_A; |
08d644ad DV |
2085 | /* Internal port only for eDP. */ |
2086 | default: | |
6e4c1677 | 2087 | BUG(); |
f8aed700 | 2088 | } |
7d57382e | 2089 | |
7637bfdb | 2090 | if (IS_VALLEYVIEW(dev)) { |
90b107c8 | 2091 | intel_hdmi->write_infoframe = vlv_write_infoframe; |
687f4d06 | 2092 | intel_hdmi->set_infoframes = vlv_set_infoframes; |
e43823ec | 2093 | intel_hdmi->infoframe_enabled = vlv_infoframe_enabled; |
b98856a8 | 2094 | } else if (IS_G4X(dev)) { |
7637bfdb JB |
2095 | intel_hdmi->write_infoframe = g4x_write_infoframe; |
2096 | intel_hdmi->set_infoframes = g4x_set_infoframes; | |
e43823ec | 2097 | intel_hdmi->infoframe_enabled = g4x_infoframe_enabled; |
22b8bf17 | 2098 | } else if (HAS_DDI(dev)) { |
8c5f5f7c | 2099 | intel_hdmi->write_infoframe = hsw_write_infoframe; |
687f4d06 | 2100 | intel_hdmi->set_infoframes = hsw_set_infoframes; |
e43823ec | 2101 | intel_hdmi->infoframe_enabled = hsw_infoframe_enabled; |
fdf1250a PZ |
2102 | } else if (HAS_PCH_IBX(dev)) { |
2103 | intel_hdmi->write_infoframe = ibx_write_infoframe; | |
687f4d06 | 2104 | intel_hdmi->set_infoframes = ibx_set_infoframes; |
e43823ec | 2105 | intel_hdmi->infoframe_enabled = ibx_infoframe_enabled; |
fdf1250a PZ |
2106 | } else { |
2107 | intel_hdmi->write_infoframe = cpt_write_infoframe; | |
687f4d06 | 2108 | intel_hdmi->set_infoframes = cpt_set_infoframes; |
e43823ec | 2109 | intel_hdmi->infoframe_enabled = cpt_infoframe_enabled; |
64a8fc01 | 2110 | } |
45187ace | 2111 | |
affa9354 | 2112 | if (HAS_DDI(dev)) |
bcbc889b PZ |
2113 | intel_connector->get_hw_state = intel_ddi_connector_get_hw_state; |
2114 | else | |
2115 | intel_connector->get_hw_state = intel_connector_get_hw_state; | |
4932e2c3 | 2116 | intel_connector->unregister = intel_connector_unregister; |
b9cb234c PZ |
2117 | |
2118 | intel_hdmi_add_properties(intel_hdmi, connector); | |
2119 | ||
2120 | intel_connector_attach_encoder(intel_connector, intel_encoder); | |
34ea3d38 | 2121 | drm_connector_register(connector); |
d8b4c43a | 2122 | intel_hdmi->attached_connector = intel_connector; |
b9cb234c PZ |
2123 | |
2124 | /* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written | |
2125 | * 0xd. Failure to do so will result in spurious interrupts being | |
2126 | * generated on the port when a cable is not attached. | |
2127 | */ | |
2128 | if (IS_G4X(dev) && !IS_GM45(dev)) { | |
2129 | u32 temp = I915_READ(PEG_BAND_GAP_DATA); | |
2130 | I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd); | |
2131 | } | |
2132 | } | |
2133 | ||
b242b7f7 | 2134 | void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port) |
b9cb234c PZ |
2135 | { |
2136 | struct intel_digital_port *intel_dig_port; | |
2137 | struct intel_encoder *intel_encoder; | |
b9cb234c PZ |
2138 | struct intel_connector *intel_connector; |
2139 | ||
b14c5679 | 2140 | intel_dig_port = kzalloc(sizeof(*intel_dig_port), GFP_KERNEL); |
b9cb234c PZ |
2141 | if (!intel_dig_port) |
2142 | return; | |
2143 | ||
08d9bc92 | 2144 | intel_connector = intel_connector_alloc(); |
b9cb234c PZ |
2145 | if (!intel_connector) { |
2146 | kfree(intel_dig_port); | |
2147 | return; | |
2148 | } | |
2149 | ||
2150 | intel_encoder = &intel_dig_port->base; | |
b9cb234c PZ |
2151 | |
2152 | drm_encoder_init(dev, &intel_encoder->base, &intel_hdmi_enc_funcs, | |
2153 | DRM_MODE_ENCODER_TMDS); | |
00c09d70 | 2154 | |
5bfe2ac0 | 2155 | intel_encoder->compute_config = intel_hdmi_compute_config; |
a4790cec VS |
2156 | if (HAS_PCH_SPLIT(dev)) { |
2157 | intel_encoder->disable = pch_disable_hdmi; | |
2158 | intel_encoder->post_disable = pch_post_disable_hdmi; | |
2159 | } else { | |
2160 | intel_encoder->disable = g4x_disable_hdmi; | |
2161 | } | |
00c09d70 | 2162 | intel_encoder->get_hw_state = intel_hdmi_get_hw_state; |
045ac3b5 | 2163 | intel_encoder->get_config = intel_hdmi_get_config; |
e4a1d846 | 2164 | if (IS_CHERRYVIEW(dev)) { |
9197c88b | 2165 | intel_encoder->pre_pll_enable = chv_hdmi_pre_pll_enable; |
e4a1d846 CML |
2166 | intel_encoder->pre_enable = chv_hdmi_pre_enable; |
2167 | intel_encoder->enable = vlv_enable_hdmi; | |
580d3811 | 2168 | intel_encoder->post_disable = chv_hdmi_post_disable; |
d6db995f | 2169 | intel_encoder->post_pll_disable = chv_hdmi_post_pll_disable; |
e4a1d846 | 2170 | } else if (IS_VALLEYVIEW(dev)) { |
9514ac6e CML |
2171 | intel_encoder->pre_pll_enable = vlv_hdmi_pre_pll_enable; |
2172 | intel_encoder->pre_enable = vlv_hdmi_pre_enable; | |
b76cf76b | 2173 | intel_encoder->enable = vlv_enable_hdmi; |
9514ac6e | 2174 | intel_encoder->post_disable = vlv_hdmi_post_disable; |
b76cf76b | 2175 | } else { |
13732ba7 | 2176 | intel_encoder->pre_enable = intel_hdmi_pre_enable; |
d1b1589c VS |
2177 | if (HAS_PCH_CPT(dev)) |
2178 | intel_encoder->enable = cpt_enable_hdmi; | |
bf868c7d VS |
2179 | else if (HAS_PCH_IBX(dev)) |
2180 | intel_encoder->enable = ibx_enable_hdmi; | |
d1b1589c | 2181 | else |
bf868c7d | 2182 | intel_encoder->enable = g4x_enable_hdmi; |
89b667f8 | 2183 | } |
5ab432ef | 2184 | |
b9cb234c | 2185 | intel_encoder->type = INTEL_OUTPUT_HDMI; |
882ec384 VS |
2186 | if (IS_CHERRYVIEW(dev)) { |
2187 | if (port == PORT_D) | |
2188 | intel_encoder->crtc_mask = 1 << 2; | |
2189 | else | |
2190 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1); | |
2191 | } else { | |
2192 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); | |
2193 | } | |
301ea74a | 2194 | intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG; |
c6f1495d VS |
2195 | /* |
2196 | * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems | |
2197 | * to work on real hardware. And since g4x can send infoframes to | |
2198 | * only one port anyway, nothing is lost by allowing it. | |
2199 | */ | |
2200 | if (IS_G4X(dev)) | |
2201 | intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI; | |
7d57382e | 2202 | |
174edf1f | 2203 | intel_dig_port->port = port; |
b242b7f7 | 2204 | intel_dig_port->hdmi.hdmi_reg = hdmi_reg; |
b9cb234c | 2205 | intel_dig_port->dp.output_reg = 0; |
55b7d6e8 | 2206 | |
b9cb234c | 2207 | intel_hdmi_init_connector(intel_dig_port, intel_connector); |
7d57382e | 2208 | } |