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79e53945 JB |
1 | /* |
2 | * Copyright © 2006-2007 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | */ | |
26 | ||
27 | #include <linux/i2c.h> | |
28 | #include "drmP.h" | |
29 | #include "drm.h" | |
30 | #include "drm_crtc.h" | |
31 | #include "drm_crtc_helper.h" | |
32 | #include "intel_drv.h" | |
33 | #include "i915_drm.h" | |
34 | #include "i915_drv.h" | |
35 | ||
36 | static void intel_crt_dpms(struct drm_encoder *encoder, int mode) | |
37 | { | |
38 | struct drm_device *dev = encoder->dev; | |
39 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2c07245f | 40 | u32 temp, reg; |
79e53945 | 41 | |
f2b115e6 | 42 | if (IS_IRONLAKE(dev)) |
2c07245f ZW |
43 | reg = PCH_ADPA; |
44 | else | |
45 | reg = ADPA; | |
46 | ||
47 | temp = I915_READ(reg); | |
79e53945 | 48 | temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); |
febc7694 | 49 | temp &= ~ADPA_DAC_ENABLE; |
79e53945 JB |
50 | |
51 | switch(mode) { | |
52 | case DRM_MODE_DPMS_ON: | |
53 | temp |= ADPA_DAC_ENABLE; | |
54 | break; | |
55 | case DRM_MODE_DPMS_STANDBY: | |
56 | temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE; | |
57 | break; | |
58 | case DRM_MODE_DPMS_SUSPEND: | |
59 | temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE; | |
60 | break; | |
61 | case DRM_MODE_DPMS_OFF: | |
62 | temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE; | |
63 | break; | |
64 | } | |
65 | ||
2c07245f | 66 | I915_WRITE(reg, temp); |
79e53945 JB |
67 | } |
68 | ||
69 | static int intel_crt_mode_valid(struct drm_connector *connector, | |
70 | struct drm_display_mode *mode) | |
71 | { | |
6bcdcd9e ZY |
72 | struct drm_device *dev = connector->dev; |
73 | ||
74 | int max_clock = 0; | |
79e53945 JB |
75 | if (mode->flags & DRM_MODE_FLAG_DBLSCAN) |
76 | return MODE_NO_DBLESCAN; | |
77 | ||
6bcdcd9e ZY |
78 | if (mode->clock < 25000) |
79 | return MODE_CLOCK_LOW; | |
80 | ||
81 | if (!IS_I9XX(dev)) | |
82 | max_clock = 350000; | |
83 | else | |
84 | max_clock = 400000; | |
85 | if (mode->clock > max_clock) | |
86 | return MODE_CLOCK_HIGH; | |
79e53945 JB |
87 | |
88 | return MODE_OK; | |
89 | } | |
90 | ||
91 | static bool intel_crt_mode_fixup(struct drm_encoder *encoder, | |
92 | struct drm_display_mode *mode, | |
93 | struct drm_display_mode *adjusted_mode) | |
94 | { | |
95 | return true; | |
96 | } | |
97 | ||
98 | static void intel_crt_mode_set(struct drm_encoder *encoder, | |
99 | struct drm_display_mode *mode, | |
100 | struct drm_display_mode *adjusted_mode) | |
101 | { | |
102 | ||
103 | struct drm_device *dev = encoder->dev; | |
104 | struct drm_crtc *crtc = encoder->crtc; | |
105 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
106 | struct drm_i915_private *dev_priv = dev->dev_private; | |
107 | int dpll_md_reg; | |
108 | u32 adpa, dpll_md; | |
2c07245f | 109 | u32 adpa_reg; |
79e53945 JB |
110 | |
111 | if (intel_crtc->pipe == 0) | |
112 | dpll_md_reg = DPLL_A_MD; | |
113 | else | |
114 | dpll_md_reg = DPLL_B_MD; | |
115 | ||
f2b115e6 | 116 | if (IS_IRONLAKE(dev)) |
2c07245f ZW |
117 | adpa_reg = PCH_ADPA; |
118 | else | |
119 | adpa_reg = ADPA; | |
120 | ||
79e53945 JB |
121 | /* |
122 | * Disable separate mode multiplier used when cloning SDVO to CRT | |
123 | * XXX this needs to be adjusted when we really are cloning | |
124 | */ | |
f2b115e6 | 125 | if (IS_I965G(dev) && !IS_IRONLAKE(dev)) { |
79e53945 JB |
126 | dpll_md = I915_READ(dpll_md_reg); |
127 | I915_WRITE(dpll_md_reg, | |
128 | dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); | |
129 | } | |
130 | ||
131 | adpa = 0; | |
132 | if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) | |
133 | adpa |= ADPA_HSYNC_ACTIVE_HIGH; | |
134 | if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) | |
135 | adpa |= ADPA_VSYNC_ACTIVE_HIGH; | |
136 | ||
6bcdcd9e | 137 | if (intel_crtc->pipe == 0) { |
79e53945 | 138 | adpa |= ADPA_PIPE_A_SELECT; |
f2b115e6 | 139 | if (!IS_IRONLAKE(dev)) |
2c07245f | 140 | I915_WRITE(BCLRPAT_A, 0); |
6bcdcd9e | 141 | } else { |
79e53945 | 142 | adpa |= ADPA_PIPE_B_SELECT; |
f2b115e6 | 143 | if (!IS_IRONLAKE(dev)) |
2c07245f | 144 | I915_WRITE(BCLRPAT_B, 0); |
6bcdcd9e | 145 | } |
79e53945 | 146 | |
2c07245f ZW |
147 | I915_WRITE(adpa_reg, adpa); |
148 | } | |
149 | ||
f2b115e6 | 150 | static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector) |
2c07245f ZW |
151 | { |
152 | struct drm_device *dev = connector->dev; | |
153 | struct drm_i915_private *dev_priv = dev->dev_private; | |
730915d6 | 154 | u32 adpa; |
2c07245f ZW |
155 | bool ret; |
156 | ||
730915d6 | 157 | adpa = I915_READ(PCH_ADPA); |
67941da2 | 158 | |
2c07245f | 159 | adpa &= ~ADPA_CRT_HOTPLUG_MASK; |
eceb784c ZW |
160 | /* disable HPD first */ |
161 | I915_WRITE(PCH_ADPA, adpa); | |
162 | (void)I915_READ(PCH_ADPA); | |
2c07245f ZW |
163 | |
164 | adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 | | |
165 | ADPA_CRT_HOTPLUG_WARMUP_10MS | | |
166 | ADPA_CRT_HOTPLUG_SAMPLE_4S | | |
167 | ADPA_CRT_HOTPLUG_VOLTAGE_50 | /* default */ | |
168 | ADPA_CRT_HOTPLUG_VOLREF_325MV | | |
169 | ADPA_CRT_HOTPLUG_ENABLE | | |
170 | ADPA_CRT_HOTPLUG_FORCE_TRIGGER); | |
171 | ||
28c97730 | 172 | DRM_DEBUG_KMS("pch crt adpa 0x%x", adpa); |
2c07245f ZW |
173 | I915_WRITE(PCH_ADPA, adpa); |
174 | ||
67941da2 ZW |
175 | while ((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) != 0) |
176 | ; | |
2c07245f ZW |
177 | |
178 | /* Check the status to see if both blue and green are on now */ | |
179 | adpa = I915_READ(PCH_ADPA); | |
67941da2 ZW |
180 | adpa &= ADPA_CRT_HOTPLUG_MONITOR_MASK; |
181 | if ((adpa == ADPA_CRT_HOTPLUG_MONITOR_COLOR) || | |
182 | (adpa == ADPA_CRT_HOTPLUG_MONITOR_MONO)) | |
2c07245f ZW |
183 | ret = true; |
184 | else | |
185 | ret = false; | |
186 | ||
2c07245f | 187 | return ret; |
79e53945 JB |
188 | } |
189 | ||
190 | /** | |
191 | * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence. | |
192 | * | |
193 | * Not for i915G/i915GM | |
194 | * | |
195 | * \return true if CRT is connected. | |
196 | * \return false if CRT is disconnected. | |
197 | */ | |
198 | static bool intel_crt_detect_hotplug(struct drm_connector *connector) | |
199 | { | |
200 | struct drm_device *dev = connector->dev; | |
201 | struct drm_i915_private *dev_priv = dev->dev_private; | |
771cb081 ZY |
202 | u32 hotplug_en; |
203 | int i, tries = 0; | |
2c07245f | 204 | |
f2b115e6 AJ |
205 | if (IS_IRONLAKE(dev)) |
206 | return intel_ironlake_crt_detect_hotplug(connector); | |
2c07245f | 207 | |
771cb081 ZY |
208 | /* |
209 | * On 4 series desktop, CRT detect sequence need to be done twice | |
210 | * to get a reliable result. | |
211 | */ | |
79e53945 | 212 | |
771cb081 ZY |
213 | if (IS_G4X(dev) && !IS_GM45(dev)) |
214 | tries = 2; | |
215 | else | |
216 | tries = 1; | |
217 | hotplug_en = I915_READ(PORT_HOTPLUG_EN); | |
5ca58282 | 218 | hotplug_en &= CRT_FORCE_HOTPLUG_MASK; |
771cb081 ZY |
219 | hotplug_en |= CRT_HOTPLUG_FORCE_DETECT; |
220 | ||
e92597cf | 221 | if (IS_G4X(dev)) |
771cb081 ZY |
222 | hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; |
223 | ||
224 | hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; | |
225 | ||
226 | for (i = 0; i < tries ; i++) { | |
227 | unsigned long timeout; | |
228 | /* turn on the FORCE_DETECT */ | |
229 | I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); | |
230 | timeout = jiffies + msecs_to_jiffies(1000); | |
231 | /* wait for FORCE_DETECT to go off */ | |
232 | do { | |
233 | if (!(I915_READ(PORT_HOTPLUG_EN) & | |
234 | CRT_HOTPLUG_FORCE_DETECT)) | |
235 | break; | |
236 | msleep(1); | |
237 | } while (time_after(timeout, jiffies)); | |
238 | } | |
79e53945 | 239 | |
8e9e0eea ZW |
240 | if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) != |
241 | CRT_HOTPLUG_MONITOR_NONE) | |
79e53945 JB |
242 | return true; |
243 | ||
244 | return false; | |
245 | } | |
246 | ||
247 | static bool intel_crt_detect_ddc(struct drm_connector *connector) | |
248 | { | |
249 | struct intel_output *intel_output = to_intel_output(connector); | |
250 | ||
251 | /* CRT should always be at 0, but check anyway */ | |
252 | if (intel_output->type != INTEL_OUTPUT_ANALOG) | |
253 | return false; | |
254 | ||
255 | return intel_ddc_probe(intel_output); | |
256 | } | |
257 | ||
e4a5d54f ML |
258 | static enum drm_connector_status |
259 | intel_crt_load_detect(struct drm_crtc *crtc, struct intel_output *intel_output) | |
260 | { | |
261 | struct drm_encoder *encoder = &intel_output->enc; | |
262 | struct drm_device *dev = encoder->dev; | |
263 | struct drm_i915_private *dev_priv = dev->dev_private; | |
264 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
265 | uint32_t pipe = intel_crtc->pipe; | |
266 | uint32_t save_bclrpat; | |
267 | uint32_t save_vtotal; | |
268 | uint32_t vtotal, vactive; | |
269 | uint32_t vsample; | |
270 | uint32_t vblank, vblank_start, vblank_end; | |
271 | uint32_t dsl; | |
272 | uint32_t bclrpat_reg; | |
273 | uint32_t vtotal_reg; | |
274 | uint32_t vblank_reg; | |
275 | uint32_t vsync_reg; | |
276 | uint32_t pipeconf_reg; | |
277 | uint32_t pipe_dsl_reg; | |
278 | uint8_t st00; | |
279 | enum drm_connector_status status; | |
280 | ||
281 | if (pipe == 0) { | |
282 | bclrpat_reg = BCLRPAT_A; | |
283 | vtotal_reg = VTOTAL_A; | |
284 | vblank_reg = VBLANK_A; | |
285 | vsync_reg = VSYNC_A; | |
286 | pipeconf_reg = PIPEACONF; | |
287 | pipe_dsl_reg = PIPEADSL; | |
288 | } else { | |
289 | bclrpat_reg = BCLRPAT_B; | |
290 | vtotal_reg = VTOTAL_B; | |
291 | vblank_reg = VBLANK_B; | |
292 | vsync_reg = VSYNC_B; | |
293 | pipeconf_reg = PIPEBCONF; | |
294 | pipe_dsl_reg = PIPEBDSL; | |
295 | } | |
296 | ||
297 | save_bclrpat = I915_READ(bclrpat_reg); | |
298 | save_vtotal = I915_READ(vtotal_reg); | |
299 | vblank = I915_READ(vblank_reg); | |
300 | ||
301 | vtotal = ((save_vtotal >> 16) & 0xfff) + 1; | |
302 | vactive = (save_vtotal & 0x7ff) + 1; | |
303 | ||
304 | vblank_start = (vblank & 0xfff) + 1; | |
305 | vblank_end = ((vblank >> 16) & 0xfff) + 1; | |
306 | ||
307 | /* Set the border color to purple. */ | |
308 | I915_WRITE(bclrpat_reg, 0x500050); | |
309 | ||
310 | if (IS_I9XX(dev)) { | |
311 | uint32_t pipeconf = I915_READ(pipeconf_reg); | |
312 | I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER); | |
313 | /* Wait for next Vblank to substitue | |
314 | * border color for Color info */ | |
315 | intel_wait_for_vblank(dev); | |
316 | st00 = I915_READ8(VGA_MSR_WRITE); | |
317 | status = ((st00 & (1 << 4)) != 0) ? | |
318 | connector_status_connected : | |
319 | connector_status_disconnected; | |
320 | ||
321 | I915_WRITE(pipeconf_reg, pipeconf); | |
322 | } else { | |
323 | bool restore_vblank = false; | |
324 | int count, detect; | |
325 | ||
326 | /* | |
327 | * If there isn't any border, add some. | |
328 | * Yes, this will flicker | |
329 | */ | |
330 | if (vblank_start <= vactive && vblank_end >= vtotal) { | |
331 | uint32_t vsync = I915_READ(vsync_reg); | |
332 | uint32_t vsync_start = (vsync & 0xffff) + 1; | |
333 | ||
334 | vblank_start = vsync_start; | |
335 | I915_WRITE(vblank_reg, | |
336 | (vblank_start - 1) | | |
337 | ((vblank_end - 1) << 16)); | |
338 | restore_vblank = true; | |
339 | } | |
340 | /* sample in the vertical border, selecting the larger one */ | |
341 | if (vblank_start - vactive >= vtotal - vblank_end) | |
342 | vsample = (vblank_start + vactive) >> 1; | |
343 | else | |
344 | vsample = (vtotal + vblank_end) >> 1; | |
345 | ||
346 | /* | |
347 | * Wait for the border to be displayed | |
348 | */ | |
349 | while (I915_READ(pipe_dsl_reg) >= vactive) | |
350 | ; | |
351 | while ((dsl = I915_READ(pipe_dsl_reg)) <= vsample) | |
352 | ; | |
353 | /* | |
354 | * Watch ST00 for an entire scanline | |
355 | */ | |
356 | detect = 0; | |
357 | count = 0; | |
358 | do { | |
359 | count++; | |
360 | /* Read the ST00 VGA status register */ | |
361 | st00 = I915_READ8(VGA_MSR_WRITE); | |
362 | if (st00 & (1 << 4)) | |
363 | detect++; | |
364 | } while ((I915_READ(pipe_dsl_reg) == dsl)); | |
365 | ||
366 | /* restore vblank if necessary */ | |
367 | if (restore_vblank) | |
368 | I915_WRITE(vblank_reg, vblank); | |
369 | /* | |
370 | * If more than 3/4 of the scanline detected a monitor, | |
371 | * then it is assumed to be present. This works even on i830, | |
372 | * where there isn't any way to force the border color across | |
373 | * the screen | |
374 | */ | |
375 | status = detect * 4 > count * 3 ? | |
376 | connector_status_connected : | |
377 | connector_status_disconnected; | |
378 | } | |
379 | ||
380 | /* Restore previous settings */ | |
381 | I915_WRITE(bclrpat_reg, save_bclrpat); | |
382 | ||
383 | return status; | |
384 | } | |
385 | ||
79e53945 JB |
386 | static enum drm_connector_status intel_crt_detect(struct drm_connector *connector) |
387 | { | |
388 | struct drm_device *dev = connector->dev; | |
e4a5d54f ML |
389 | struct intel_output *intel_output = to_intel_output(connector); |
390 | struct drm_encoder *encoder = &intel_output->enc; | |
391 | struct drm_crtc *crtc; | |
392 | int dpms_mode; | |
393 | enum drm_connector_status status; | |
79e53945 JB |
394 | |
395 | if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) { | |
396 | if (intel_crt_detect_hotplug(connector)) | |
397 | return connector_status_connected; | |
398 | else | |
399 | return connector_status_disconnected; | |
400 | } | |
401 | ||
402 | if (intel_crt_detect_ddc(connector)) | |
403 | return connector_status_connected; | |
404 | ||
e4a5d54f ML |
405 | /* for pre-945g platforms use load detect */ |
406 | if (encoder->crtc && encoder->crtc->enabled) { | |
407 | status = intel_crt_load_detect(encoder->crtc, intel_output); | |
408 | } else { | |
409 | crtc = intel_get_load_detect_pipe(intel_output, | |
410 | NULL, &dpms_mode); | |
411 | if (crtc) { | |
412 | status = intel_crt_load_detect(crtc, intel_output); | |
413 | intel_release_load_detect_pipe(intel_output, dpms_mode); | |
414 | } else | |
415 | status = connector_status_unknown; | |
416 | } | |
417 | ||
418 | return status; | |
79e53945 JB |
419 | } |
420 | ||
421 | static void intel_crt_destroy(struct drm_connector *connector) | |
422 | { | |
423 | struct intel_output *intel_output = to_intel_output(connector); | |
424 | ||
425 | intel_i2c_destroy(intel_output->ddc_bus); | |
426 | drm_sysfs_connector_remove(connector); | |
427 | drm_connector_cleanup(connector); | |
428 | kfree(connector); | |
429 | } | |
430 | ||
431 | static int intel_crt_get_modes(struct drm_connector *connector) | |
432 | { | |
8e4d36b9 | 433 | int ret; |
79e53945 | 434 | struct intel_output *intel_output = to_intel_output(connector); |
883e860d | 435 | struct i2c_adapter *ddcbus; |
8e4d36b9 | 436 | struct drm_device *dev = connector->dev; |
437 | ||
438 | ||
439 | ret = intel_ddc_get_modes(intel_output); | |
440 | if (ret || !IS_G4X(dev)) | |
441 | goto end; | |
442 | ||
443 | ddcbus = intel_output->ddc_bus; | |
444 | /* Try to probe digital port for output in DVI-I -> VGA mode. */ | |
445 | intel_output->ddc_bus = | |
446 | intel_i2c_create(connector->dev, GPIOD, "CRTDDC_D"); | |
447 | ||
448 | if (!intel_output->ddc_bus) { | |
449 | intel_output->ddc_bus = ddcbus; | |
450 | dev_printk(KERN_ERR, &connector->dev->pdev->dev, | |
451 | "DDC bus registration failed for CRTDDC_D.\n"); | |
452 | goto end; | |
453 | } | |
454 | /* Try to get modes by GPIOD port */ | |
455 | ret = intel_ddc_get_modes(intel_output); | |
456 | intel_i2c_destroy(ddcbus); | |
457 | ||
458 | end: | |
459 | return ret; | |
460 | ||
79e53945 JB |
461 | } |
462 | ||
463 | static int intel_crt_set_property(struct drm_connector *connector, | |
464 | struct drm_property *property, | |
465 | uint64_t value) | |
466 | { | |
79e53945 JB |
467 | return 0; |
468 | } | |
469 | ||
470 | /* | |
471 | * Routines for controlling stuff on the analog port | |
472 | */ | |
473 | ||
474 | static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = { | |
475 | .dpms = intel_crt_dpms, | |
476 | .mode_fixup = intel_crt_mode_fixup, | |
477 | .prepare = intel_encoder_prepare, | |
478 | .commit = intel_encoder_commit, | |
479 | .mode_set = intel_crt_mode_set, | |
480 | }; | |
481 | ||
482 | static const struct drm_connector_funcs intel_crt_connector_funcs = { | |
c9fb15f6 | 483 | .dpms = drm_helper_connector_dpms, |
79e53945 JB |
484 | .detect = intel_crt_detect, |
485 | .fill_modes = drm_helper_probe_single_connector_modes, | |
486 | .destroy = intel_crt_destroy, | |
487 | .set_property = intel_crt_set_property, | |
488 | }; | |
489 | ||
490 | static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = { | |
491 | .mode_valid = intel_crt_mode_valid, | |
492 | .get_modes = intel_crt_get_modes, | |
493 | .best_encoder = intel_best_encoder, | |
494 | }; | |
495 | ||
b358d0a6 | 496 | static void intel_crt_enc_destroy(struct drm_encoder *encoder) |
79e53945 JB |
497 | { |
498 | drm_encoder_cleanup(encoder); | |
499 | } | |
500 | ||
501 | static const struct drm_encoder_funcs intel_crt_enc_funcs = { | |
502 | .destroy = intel_crt_enc_destroy, | |
503 | }; | |
504 | ||
505 | void intel_crt_init(struct drm_device *dev) | |
506 | { | |
507 | struct drm_connector *connector; | |
508 | struct intel_output *intel_output; | |
db545019 | 509 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 510 | u32 i2c_reg; |
79e53945 JB |
511 | |
512 | intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL); | |
513 | if (!intel_output) | |
514 | return; | |
515 | ||
516 | connector = &intel_output->base; | |
517 | drm_connector_init(dev, &intel_output->base, | |
518 | &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA); | |
519 | ||
520 | drm_encoder_init(dev, &intel_output->enc, &intel_crt_enc_funcs, | |
521 | DRM_MODE_ENCODER_DAC); | |
522 | ||
523 | drm_mode_connector_attach_encoder(&intel_output->base, | |
524 | &intel_output->enc); | |
525 | ||
526 | /* Set up the DDC bus. */ | |
f2b115e6 | 527 | if (IS_IRONLAKE(dev)) |
2c07245f | 528 | i2c_reg = PCH_GPIOA; |
db545019 | 529 | else { |
2c07245f | 530 | i2c_reg = GPIOA; |
db545019 | 531 | /* Use VBT information for CRT DDC if available */ |
29874f44 | 532 | if (dev_priv->crt_ddc_bus != 0) |
db545019 DMEA |
533 | i2c_reg = dev_priv->crt_ddc_bus; |
534 | } | |
2c07245f | 535 | intel_output->ddc_bus = intel_i2c_create(dev, i2c_reg, "CRTDDC_A"); |
79e53945 JB |
536 | if (!intel_output->ddc_bus) { |
537 | dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " | |
538 | "failed.\n"); | |
539 | return; | |
540 | } | |
541 | ||
542 | intel_output->type = INTEL_OUTPUT_ANALOG; | |
f8aed700 ML |
543 | intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) | |
544 | (1 << INTEL_ANALOG_CLONE_BIT) | | |
545 | (1 << INTEL_SDVO_LVDS_CLONE_BIT); | |
546 | intel_output->crtc_mask = (1 << 0) | (1 << 1); | |
79e53945 JB |
547 | connector->interlace_allowed = 0; |
548 | connector->doublescan_allowed = 0; | |
549 | ||
550 | drm_encoder_helper_add(&intel_output->enc, &intel_crt_helper_funcs); | |
551 | drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); | |
552 | ||
553 | drm_sysfs_connector_add(connector); | |
b01f2c3a JB |
554 | |
555 | dev_priv->hotplug_supported_mask |= CRT_HOTPLUG_INT_STATUS; | |
79e53945 | 556 | } |