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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / i915 / display / intel_sdvo.c
blobe8819fd21e035a2d0668ef4b5562c7e85fe4d7c7
1 /*
2 * Copyright 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright © 2006-2007 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 *
25 * Authors:
26 * Eric Anholt <eric@anholt.net>
27 */
28
29 #include <linux/delay.h>
30 #include <linux/export.h>
31 #include <linux/i2c.h>
32 #include <linux/slab.h>
33
34 #include <drm/drm_atomic_helper.h>
35 #include <drm/drm_crtc.h>
36 #include <drm/drm_edid.h>
37 #include <drm/i915_drm.h>
38
39 #include "i915_drv.h"
40 #include "intel_atomic.h"
41 #include "intel_connector.h"
42 #include "intel_display_types.h"
43 #include "intel_fifo_underrun.h"
44 #include "intel_gmbus.h"
45 #include "intel_hdmi.h"
46 #include "intel_hotplug.h"
47 #include "intel_panel.h"
48 #include "intel_sdvo.h"
49 #include "intel_sdvo_regs.h"
50
51 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
52 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
53 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
54 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
55
56 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
57 SDVO_TV_MASK)
58
59 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
60 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
61 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
62 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
63 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
64
65
66 static const char * const tv_format_names[] = {
67 "NTSC_M" , "NTSC_J" , "NTSC_443",
68 "PAL_B" , "PAL_D" , "PAL_G" ,
69 "PAL_H" , "PAL_I" , "PAL_M" ,
70 "PAL_N" , "PAL_NC" , "PAL_60" ,
71 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
72 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
73 "SECAM_60"
74 };
75
76 #define TV_FORMAT_NUM ARRAY_SIZE(tv_format_names)
77
78 struct intel_sdvo {
79 struct intel_encoder base;
80
81 struct i2c_adapter *i2c;
82 u8 slave_addr;
83
84 struct i2c_adapter ddc;
85
86 /* Register for the SDVO device: SDVOB or SDVOC */
87 i915_reg_t sdvo_reg;
88
89 /* Active outputs controlled by this SDVO output */
90 u16 controlled_output;
91
92 /*
93 * Capabilities of the SDVO device returned by
94 * intel_sdvo_get_capabilities()
95 */
96 struct intel_sdvo_caps caps;
97
98 /* Pixel clock limitations reported by the SDVO device, in kHz */
99 int pixel_clock_min, pixel_clock_max;
100
101 /*
102 * For multiple function SDVO device,
103 * this is for current attached outputs.
104 */
105 u16 attached_output;
106
107 /*
108 * Hotplug activation bits for this device
109 */
110 u16 hotplug_active;
111
112 enum port port;
113
114 bool has_hdmi_monitor;
115 bool has_hdmi_audio;
116
117 /* DDC bus used by this SDVO encoder */
118 u8 ddc_bus;
119
120 /*
121 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
122 */
123 u8 dtd_sdvo_flags;
124 };
125
126 struct intel_sdvo_connector {
127 struct intel_connector base;
128
129 /* Mark the type of connector */
130 u16 output_flag;
131
132 /* This contains all current supported TV format */
133 u8 tv_format_supported[TV_FORMAT_NUM];
134 int format_supported_num;
135 struct drm_property *tv_format;
136
137 /* add the property for the SDVO-TV */
138 struct drm_property *left;
139 struct drm_property *right;
140 struct drm_property *top;
141 struct drm_property *bottom;
142 struct drm_property *hpos;
143 struct drm_property *vpos;
144 struct drm_property *contrast;
145 struct drm_property *saturation;
146 struct drm_property *hue;
147 struct drm_property *sharpness;
148 struct drm_property *flicker_filter;
149 struct drm_property *flicker_filter_adaptive;
150 struct drm_property *flicker_filter_2d;
151 struct drm_property *tv_chroma_filter;
152 struct drm_property *tv_luma_filter;
153 struct drm_property *dot_crawl;
154
155 /* add the property for the SDVO-TV/LVDS */
156 struct drm_property *brightness;
157
158 /* this is to get the range of margin.*/
159 u32 max_hscan, max_vscan;
160
161 /**
162 * This is set if we treat the device as HDMI, instead of DVI.
163 */
164 bool is_hdmi;
165 };
166
167 struct intel_sdvo_connector_state {
168 /* base.base: tv.saturation/contrast/hue/brightness */
169 struct intel_digital_connector_state base;
170
171 struct {
172 unsigned overscan_h, overscan_v, hpos, vpos, sharpness;
173 unsigned flicker_filter, flicker_filter_2d, flicker_filter_adaptive;
174 unsigned chroma_filter, luma_filter, dot_crawl;
175 } tv;
176 };
177
178 static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder)
179 {
180 return container_of(encoder, struct intel_sdvo, base);
181 }
182
183 static struct intel_sdvo *intel_attached_sdvo(struct intel_connector *connector)
184 {
185 return to_sdvo(intel_attached_encoder(connector));
186 }
187
188 static struct intel_sdvo_connector *
189 to_intel_sdvo_connector(struct drm_connector *connector)
190 {
191 return container_of(connector, struct intel_sdvo_connector, base.base);
192 }
193
194 #define to_intel_sdvo_connector_state(conn_state) \
195 container_of((conn_state), struct intel_sdvo_connector_state, base.base)
196
197 static bool
198 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags);
199 static bool
200 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
201 struct intel_sdvo_connector *intel_sdvo_connector,
202 int type);
203 static bool
204 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
205 struct intel_sdvo_connector *intel_sdvo_connector);
206
207 /*
208 * Writes the SDVOB or SDVOC with the given value, but always writes both
209 * SDVOB and SDVOC to work around apparent hardware issues (according to
210 * comments in the BIOS).
211 */
212 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
213 {
214 struct drm_device *dev = intel_sdvo->base.base.dev;
215 struct drm_i915_private *dev_priv = to_i915(dev);
216 u32 bval = val, cval = val;
217 int i;
218
219 if (HAS_PCH_SPLIT(dev_priv)) {
220 I915_WRITE(intel_sdvo->sdvo_reg, val);
221 POSTING_READ(intel_sdvo->sdvo_reg);
222 /*
223 * HW workaround, need to write this twice for issue
224 * that may result in first write getting masked.
225 */
226 if (HAS_PCH_IBX(dev_priv)) {
227 I915_WRITE(intel_sdvo->sdvo_reg, val);
228 POSTING_READ(intel_sdvo->sdvo_reg);
229 }
230 return;
231 }
232
233 if (intel_sdvo->port == PORT_B)
234 cval = I915_READ(GEN3_SDVOC);
235 else
236 bval = I915_READ(GEN3_SDVOB);
237
238 /*
239 * Write the registers twice for luck. Sometimes,
240 * writing them only once doesn't appear to 'stick'.
241 * The BIOS does this too. Yay, magic
242 */
243 for (i = 0; i < 2; i++) {
244 I915_WRITE(GEN3_SDVOB, bval);
245 POSTING_READ(GEN3_SDVOB);
246
247 I915_WRITE(GEN3_SDVOC, cval);
248 POSTING_READ(GEN3_SDVOC);
249 }
250 }
251
252 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
253 {
254 struct i2c_msg msgs[] = {
255 {
256 .addr = intel_sdvo->slave_addr,
257 .flags = 0,
258 .len = 1,
259 .buf = &addr,
260 },
261 {
262 .addr = intel_sdvo->slave_addr,
263 .flags = I2C_M_RD,
264 .len = 1,
265 .buf = ch,
266 }
267 };
268 int ret;
269
270 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
271 return true;
272
273 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
274 return false;
275 }
276
277 #define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ }
278
279 /** Mapping of command numbers to names, for debug output */
280 static const struct {
281 u8 cmd;
282 const char *name;
283 } __attribute__ ((packed)) sdvo_cmd_names[] = {
284 SDVO_CMD_NAME_ENTRY(RESET),
285 SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS),
286 SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV),
287 SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS),
288 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS),
289 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS),
290 SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP),
291 SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP),
292 SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS),
293 SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT),
294 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG),
295 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG),
296 SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE),
297 SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT),
298 SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT),
299 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1),
300 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2),
301 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1),
302 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2),
303 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1),
304 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2),
305 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1),
306 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2),
307 SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING),
308 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1),
309 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2),
310 SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE),
311 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE),
312 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS),
313 SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT),
314 SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT),
315 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS),
316 SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT),
317 SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT),
318 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES),
319 SDVO_CMD_NAME_ENTRY(GET_POWER_STATE),
320 SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE),
321 SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE),
322 SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH),
323 SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT),
324 SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT),
325 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS),
326
327 /* Add the op code for SDVO enhancements */
328 SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS),
329 SDVO_CMD_NAME_ENTRY(GET_HPOS),
330 SDVO_CMD_NAME_ENTRY(SET_HPOS),
331 SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS),
332 SDVO_CMD_NAME_ENTRY(GET_VPOS),
333 SDVO_CMD_NAME_ENTRY(SET_VPOS),
334 SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION),
335 SDVO_CMD_NAME_ENTRY(GET_SATURATION),
336 SDVO_CMD_NAME_ENTRY(SET_SATURATION),
337 SDVO_CMD_NAME_ENTRY(GET_MAX_HUE),
338 SDVO_CMD_NAME_ENTRY(GET_HUE),
339 SDVO_CMD_NAME_ENTRY(SET_HUE),
340 SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST),
341 SDVO_CMD_NAME_ENTRY(GET_CONTRAST),
342 SDVO_CMD_NAME_ENTRY(SET_CONTRAST),
343 SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS),
344 SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS),
345 SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS),
346 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H),
347 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H),
348 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H),
349 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V),
350 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V),
351 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V),
352 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER),
353 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER),
354 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER),
355 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE),
356 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE),
357 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE),
358 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D),
359 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D),
360 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D),
361 SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS),
362 SDVO_CMD_NAME_ENTRY(GET_SHARPNESS),
363 SDVO_CMD_NAME_ENTRY(SET_SHARPNESS),
364 SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL),
365 SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL),
366 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER),
367 SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER),
368 SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER),
369 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER),
370 SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER),
371 SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER),
372
373 /* HDMI op code */
374 SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE),
375 SDVO_CMD_NAME_ENTRY(GET_ENCODE),
376 SDVO_CMD_NAME_ENTRY(SET_ENCODE),
377 SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI),
378 SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI),
379 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP),
380 SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY),
381 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY),
382 SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER),
383 SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT),
384 SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT),
385 SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX),
386 SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX),
387 SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO),
388 SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT),
389 SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT),
390 SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE),
391 SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE),
392 SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA),
393 SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA),
394 };
395
396 #undef SDVO_CMD_NAME_ENTRY
397
398 static const char *sdvo_cmd_name(u8 cmd)
399 {
400 int i;
401
402 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
403 if (cmd == sdvo_cmd_names[i].cmd)
404 return sdvo_cmd_names[i].name;
405 }
406
407 return NULL;
408 }
409
410 #define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC")
411
412 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
413 const void *args, int args_len)
414 {
415 const char *cmd_name;
416 int i, pos = 0;
417 #define BUF_LEN 256
418 char buffer[BUF_LEN];
419
420 #define BUF_PRINT(args...) \
421 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
422
423
424 for (i = 0; i < args_len; i++) {
425 BUF_PRINT("%02X ", ((u8 *)args)[i]);
426 }
427 for (; i < 8; i++) {
428 BUF_PRINT(" ");
429 }
430
431 cmd_name = sdvo_cmd_name(cmd);
432 if (cmd_name)
433 BUF_PRINT("(%s)", cmd_name);
434 else
435 BUF_PRINT("(%02X)", cmd);
436 BUG_ON(pos >= BUF_LEN - 1);
437 #undef BUF_PRINT
438 #undef BUF_LEN
439
440 DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer);
441 }
442
443 static const char * const cmd_status_names[] = {
444 [SDVO_CMD_STATUS_POWER_ON] = "Power on",
445 [SDVO_CMD_STATUS_SUCCESS] = "Success",
446 [SDVO_CMD_STATUS_NOTSUPP] = "Not supported",
447 [SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg",
448 [SDVO_CMD_STATUS_PENDING] = "Pending",
449 [SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified",
450 [SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported",
451 };
452
453 static const char *sdvo_cmd_status(u8 status)
454 {
455 if (status < ARRAY_SIZE(cmd_status_names))
456 return cmd_status_names[status];
457 else
458 return NULL;
459 }
460
461 static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
462 const void *args, int args_len,
463 bool unlocked)
464 {
465 u8 *buf, status;
466 struct i2c_msg *msgs;
467 int i, ret = true;
468
469 /* Would be simpler to allocate both in one go ? */
470 buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
471 if (!buf)
472 return false;
473
474 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
475 if (!msgs) {
476 kfree(buf);
477 return false;
478 }
479
480 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
481
482 for (i = 0; i < args_len; i++) {
483 msgs[i].addr = intel_sdvo->slave_addr;
484 msgs[i].flags = 0;
485 msgs[i].len = 2;
486 msgs[i].buf = buf + 2 *i;
487 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
488 buf[2*i + 1] = ((u8*)args)[i];
489 }
490 msgs[i].addr = intel_sdvo->slave_addr;
491 msgs[i].flags = 0;
492 msgs[i].len = 2;
493 msgs[i].buf = buf + 2*i;
494 buf[2*i + 0] = SDVO_I2C_OPCODE;
495 buf[2*i + 1] = cmd;
496
497 /* the following two are to read the response */
498 status = SDVO_I2C_CMD_STATUS;
499 msgs[i+1].addr = intel_sdvo->slave_addr;
500 msgs[i+1].flags = 0;
501 msgs[i+1].len = 1;
502 msgs[i+1].buf = &status;
503
504 msgs[i+2].addr = intel_sdvo->slave_addr;
505 msgs[i+2].flags = I2C_M_RD;
506 msgs[i+2].len = 1;
507 msgs[i+2].buf = &status;
508
509 if (unlocked)
510 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
511 else
512 ret = __i2c_transfer(intel_sdvo->i2c, msgs, i+3);
513 if (ret < 0) {
514 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
515 ret = false;
516 goto out;
517 }
518 if (ret != i+3) {
519 /* failure in I2C transfer */
520 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
521 ret = false;
522 }
523
524 out:
525 kfree(msgs);
526 kfree(buf);
527 return ret;
528 }
529
530 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
531 const void *args, int args_len)
532 {
533 return __intel_sdvo_write_cmd(intel_sdvo, cmd, args, args_len, true);
534 }
535
536 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
537 void *response, int response_len)
538 {
539 const char *cmd_status;
540 u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
541 u8 status;
542 int i, pos = 0;
543 #define BUF_LEN 256
544 char buffer[BUF_LEN];
545
546 buffer[0] = '\0';
547
548 /*
549 * The documentation states that all commands will be
550 * processed within 15µs, and that we need only poll
551 * the status byte a maximum of 3 times in order for the
552 * command to be complete.
553 *
554 * Check 5 times in case the hardware failed to read the docs.
555 *
556 * Also beware that the first response by many devices is to
557 * reply PENDING and stall for time. TVs are notorious for
558 * requiring longer than specified to complete their replies.
559 * Originally (in the DDX long ago), the delay was only ever 15ms
560 * with an additional delay of 30ms applied for TVs added later after
561 * many experiments. To accommodate both sets of delays, we do a
562 * sequence of slow checks if the device is falling behind and fails
563 * to reply within 5*15µs.
564 */
565 if (!intel_sdvo_read_byte(intel_sdvo,
566 SDVO_I2C_CMD_STATUS,
567 &status))
568 goto log_fail;
569
570 while ((status == SDVO_CMD_STATUS_PENDING ||
571 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) {
572 if (retry < 10)
573 msleep(15);
574 else
575 udelay(15);
576
577 if (!intel_sdvo_read_byte(intel_sdvo,
578 SDVO_I2C_CMD_STATUS,
579 &status))
580 goto log_fail;
581 }
582
583 #define BUF_PRINT(args...) \
584 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
585
586 cmd_status = sdvo_cmd_status(status);
587 if (cmd_status)
588 BUF_PRINT("(%s)", cmd_status);
589 else
590 BUF_PRINT("(??? %d)", status);
591
592 if (status != SDVO_CMD_STATUS_SUCCESS)
593 goto log_fail;
594
595 /* Read the command response */
596 for (i = 0; i < response_len; i++) {
597 if (!intel_sdvo_read_byte(intel_sdvo,
598 SDVO_I2C_RETURN_0 + i,
599 &((u8 *)response)[i]))
600 goto log_fail;
601 BUF_PRINT(" %02X", ((u8 *)response)[i]);
602 }
603 BUG_ON(pos >= BUF_LEN - 1);
604 #undef BUF_PRINT
605 #undef BUF_LEN
606
607 DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer);
608 return true;
609
610 log_fail:
611 DRM_DEBUG_KMS("%s: R: ... failed %s\n",
612 SDVO_NAME(intel_sdvo), buffer);
613 return false;
614 }
615
616 static int intel_sdvo_get_pixel_multiplier(const struct drm_display_mode *adjusted_mode)
617 {
618 if (adjusted_mode->crtc_clock >= 100000)
619 return 1;
620 else if (adjusted_mode->crtc_clock >= 50000)
621 return 2;
622 else
623 return 4;
624 }
625
626 static bool __intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
627 u8 ddc_bus)
628 {
629 /* This must be the immediately preceding write before the i2c xfer */
630 return __intel_sdvo_write_cmd(intel_sdvo,
631 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
632 &ddc_bus, 1, false);
633 }
634
635 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
636 {
637 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
638 return false;
639
640 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
641 }
642
643 static bool
644 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
645 {
646 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
647 return false;
648
649 return intel_sdvo_read_response(intel_sdvo, value, len);
650 }
651
652 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
653 {
654 struct intel_sdvo_set_target_input_args targets = {0};
655 return intel_sdvo_set_value(intel_sdvo,
656 SDVO_CMD_SET_TARGET_INPUT,
657 &targets, sizeof(targets));
658 }
659
660 /*
661 * Return whether each input is trained.
662 *
663 * This function is making an assumption about the layout of the response,
664 * which should be checked against the docs.
665 */
666 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
667 {
668 struct intel_sdvo_get_trained_inputs_response response;
669
670 BUILD_BUG_ON(sizeof(response) != 1);
671 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
672 &response, sizeof(response)))
673 return false;
674
675 *input_1 = response.input0_trained;
676 *input_2 = response.input1_trained;
677 return true;
678 }
679
680 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
681 u16 outputs)
682 {
683 return intel_sdvo_set_value(intel_sdvo,
684 SDVO_CMD_SET_ACTIVE_OUTPUTS,
685 &outputs, sizeof(outputs));
686 }
687
688 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
689 u16 *outputs)
690 {
691 return intel_sdvo_get_value(intel_sdvo,
692 SDVO_CMD_GET_ACTIVE_OUTPUTS,
693 outputs, sizeof(*outputs));
694 }
695
696 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
697 int mode)
698 {
699 u8 state = SDVO_ENCODER_STATE_ON;
700
701 switch (mode) {
702 case DRM_MODE_DPMS_ON:
703 state = SDVO_ENCODER_STATE_ON;
704 break;
705 case DRM_MODE_DPMS_STANDBY:
706 state = SDVO_ENCODER_STATE_STANDBY;
707 break;
708 case DRM_MODE_DPMS_SUSPEND:
709 state = SDVO_ENCODER_STATE_SUSPEND;
710 break;
711 case DRM_MODE_DPMS_OFF:
712 state = SDVO_ENCODER_STATE_OFF;
713 break;
714 }
715
716 return intel_sdvo_set_value(intel_sdvo,
717 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
718 }
719
720 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
721 int *clock_min,
722 int *clock_max)
723 {
724 struct intel_sdvo_pixel_clock_range clocks;
725
726 BUILD_BUG_ON(sizeof(clocks) != 4);
727 if (!intel_sdvo_get_value(intel_sdvo,
728 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
729 &clocks, sizeof(clocks)))
730 return false;
731
732 /* Convert the values from units of 10 kHz to kHz. */
733 *clock_min = clocks.min * 10;
734 *clock_max = clocks.max * 10;
735 return true;
736 }
737
738 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
739 u16 outputs)
740 {
741 return intel_sdvo_set_value(intel_sdvo,
742 SDVO_CMD_SET_TARGET_OUTPUT,
743 &outputs, sizeof(outputs));
744 }
745
746 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
747 struct intel_sdvo_dtd *dtd)
748 {
749 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
750 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
751 }
752
753 static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
754 struct intel_sdvo_dtd *dtd)
755 {
756 return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
757 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
758 }
759
760 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
761 struct intel_sdvo_dtd *dtd)
762 {
763 return intel_sdvo_set_timing(intel_sdvo,
764 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
765 }
766
767 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
768 struct intel_sdvo_dtd *dtd)
769 {
770 return intel_sdvo_set_timing(intel_sdvo,
771 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
772 }
773
774 static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
775 struct intel_sdvo_dtd *dtd)
776 {
777 return intel_sdvo_get_timing(intel_sdvo,
778 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
779 }
780
781 static bool
782 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
783 struct intel_sdvo_connector *intel_sdvo_connector,
784 u16 clock,
785 u16 width,
786 u16 height)
787 {
788 struct intel_sdvo_preferred_input_timing_args args;
789
790 memset(&args, 0, sizeof(args));
791 args.clock = clock;
792 args.width = width;
793 args.height = height;
794 args.interlace = 0;
795
796 if (IS_LVDS(intel_sdvo_connector)) {
797 const struct drm_display_mode *fixed_mode =
798 intel_sdvo_connector->base.panel.fixed_mode;
799
800 if (fixed_mode->hdisplay != width ||
801 fixed_mode->vdisplay != height)
802 args.scaled = 1;
803 }
804
805 return intel_sdvo_set_value(intel_sdvo,
806 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
807 &args, sizeof(args));
808 }
809
810 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
811 struct intel_sdvo_dtd *dtd)
812 {
813 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
814 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
815 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
816 &dtd->part1, sizeof(dtd->part1)) &&
817 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
818 &dtd->part2, sizeof(dtd->part2));
819 }
820
821 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
822 {
823 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
824 }
825
826 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
827 const struct drm_display_mode *mode)
828 {
829 u16 width, height;
830 u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
831 u16 h_sync_offset, v_sync_offset;
832 int mode_clock;
833
834 memset(dtd, 0, sizeof(*dtd));
835
836 width = mode->hdisplay;
837 height = mode->vdisplay;
838
839 /* do some mode translations */
840 h_blank_len = mode->htotal - mode->hdisplay;
841 h_sync_len = mode->hsync_end - mode->hsync_start;
842
843 v_blank_len = mode->vtotal - mode->vdisplay;
844 v_sync_len = mode->vsync_end - mode->vsync_start;
845
846 h_sync_offset = mode->hsync_start - mode->hdisplay;
847 v_sync_offset = mode->vsync_start - mode->vdisplay;
848
849 mode_clock = mode->clock;
850 mode_clock /= 10;
851 dtd->part1.clock = mode_clock;
852
853 dtd->part1.h_active = width & 0xff;
854 dtd->part1.h_blank = h_blank_len & 0xff;
855 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
856 ((h_blank_len >> 8) & 0xf);
857 dtd->part1.v_active = height & 0xff;
858 dtd->part1.v_blank = v_blank_len & 0xff;
859 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
860 ((v_blank_len >> 8) & 0xf);
861
862 dtd->part2.h_sync_off = h_sync_offset & 0xff;
863 dtd->part2.h_sync_width = h_sync_len & 0xff;
864 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
865 (v_sync_len & 0xf);
866 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
867 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
868 ((v_sync_len & 0x30) >> 4);
869
870 dtd->part2.dtd_flags = 0x18;
871 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
872 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
873 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
874 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
875 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
876 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
877
878 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
879 }
880
881 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode,
882 const struct intel_sdvo_dtd *dtd)
883 {
884 struct drm_display_mode mode = {};
885
886 mode.hdisplay = dtd->part1.h_active;
887 mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
888 mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off;
889 mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
890 mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width;
891 mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
892 mode.htotal = mode.hdisplay + dtd->part1.h_blank;
893 mode.htotal += (dtd->part1.h_high & 0xf) << 8;
894
895 mode.vdisplay = dtd->part1.v_active;
896 mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
897 mode.vsync_start = mode.vdisplay;
898 mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
899 mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
900 mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0;
901 mode.vsync_end = mode.vsync_start +
902 (dtd->part2.v_sync_off_width & 0xf);
903 mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
904 mode.vtotal = mode.vdisplay + dtd->part1.v_blank;
905 mode.vtotal += (dtd->part1.v_high & 0xf) << 8;
906
907 mode.clock = dtd->part1.clock * 10;
908
909 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
910 mode.flags |= DRM_MODE_FLAG_INTERLACE;
911 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
912 mode.flags |= DRM_MODE_FLAG_PHSYNC;
913 else
914 mode.flags |= DRM_MODE_FLAG_NHSYNC;
915 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
916 mode.flags |= DRM_MODE_FLAG_PVSYNC;
917 else
918 mode.flags |= DRM_MODE_FLAG_NVSYNC;
919
920 drm_mode_set_crtcinfo(&mode, 0);
921
922 drm_mode_copy(pmode, &mode);
923 }
924
925 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
926 {
927 struct intel_sdvo_encode encode;
928
929 BUILD_BUG_ON(sizeof(encode) != 2);
930 return intel_sdvo_get_value(intel_sdvo,
931 SDVO_CMD_GET_SUPP_ENCODE,
932 &encode, sizeof(encode));
933 }
934
935 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
936 u8 mode)
937 {
938 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
939 }
940
941 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
942 u8 mode)
943 {
944 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
945 }
946
947 static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo,
948 u8 audio_state)
949 {
950 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_AUDIO_STAT,
951 &audio_state, 1);
952 }
953
954 static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo,
955 u8 *hbuf_size)
956 {
957 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
958 hbuf_size, 1))
959 return false;
960
961 /* Buffer size is 0 based, hooray! However zero means zero. */
962 if (*hbuf_size)
963 (*hbuf_size)++;
964
965 return true;
966 }
967
968 #if 0
969 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
970 {
971 int i, j;
972 u8 set_buf_index[2];
973 u8 av_split;
974 u8 buf_size;
975 u8 buf[48];
976 u8 *pos;
977
978 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
979
980 for (i = 0; i <= av_split; i++) {
981 set_buf_index[0] = i; set_buf_index[1] = 0;
982 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
983 set_buf_index, 2);
984 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
985 intel_sdvo_read_response(encoder, &buf_size, 1);
986
987 pos = buf;
988 for (j = 0; j <= buf_size; j += 8) {
989 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
990 NULL, 0);
991 intel_sdvo_read_response(encoder, pos, 8);
992 pos += 8;
993 }
994 }
995 }
996 #endif
997
998 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
999 unsigned int if_index, u8 tx_rate,
1000 const u8 *data, unsigned int length)
1001 {
1002 u8 set_buf_index[2] = { if_index, 0 };
1003 u8 hbuf_size, tmp[8];
1004 int i;
1005
1006 if (!intel_sdvo_set_value(intel_sdvo,
1007 SDVO_CMD_SET_HBUF_INDEX,
1008 set_buf_index, 2))
1009 return false;
1010
1011 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1012 return false;
1013
1014 DRM_DEBUG_KMS("writing sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1015 if_index, length, hbuf_size);
1016
1017 if (hbuf_size < length)
1018 return false;
1019
1020 for (i = 0; i < hbuf_size; i += 8) {
1021 memset(tmp, 0, 8);
1022 if (i < length)
1023 memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
1024
1025 if (!intel_sdvo_set_value(intel_sdvo,
1026 SDVO_CMD_SET_HBUF_DATA,
1027 tmp, 8))
1028 return false;
1029 }
1030
1031 return intel_sdvo_set_value(intel_sdvo,
1032 SDVO_CMD_SET_HBUF_TXRATE,
1033 &tx_rate, 1);
1034 }
1035
1036 static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo,
1037 unsigned int if_index,
1038 u8 *data, unsigned int length)
1039 {
1040 u8 set_buf_index[2] = { if_index, 0 };
1041 u8 hbuf_size, tx_rate, av_split;
1042 int i;
1043
1044 if (!intel_sdvo_get_value(intel_sdvo,
1045 SDVO_CMD_GET_HBUF_AV_SPLIT,
1046 &av_split, 1))
1047 return -ENXIO;
1048
1049 if (av_split < if_index)
1050 return 0;
1051
1052 if (!intel_sdvo_set_value(intel_sdvo,
1053 SDVO_CMD_SET_HBUF_INDEX,
1054 set_buf_index, 2))
1055 return -ENXIO;
1056
1057 if (!intel_sdvo_get_value(intel_sdvo,
1058 SDVO_CMD_GET_HBUF_TXRATE,
1059 &tx_rate, 1))
1060 return -ENXIO;
1061
1062 if (tx_rate == SDVO_HBUF_TX_DISABLED)
1063 return 0;
1064
1065 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1066 return false;
1067
1068 DRM_DEBUG_KMS("reading sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1069 if_index, length, hbuf_size);
1070
1071 hbuf_size = min_t(unsigned int, length, hbuf_size);
1072
1073 for (i = 0; i < hbuf_size; i += 8) {
1074 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HBUF_DATA, NULL, 0))
1075 return -ENXIO;
1076 if (!intel_sdvo_read_response(intel_sdvo, &data[i],
1077 min_t(unsigned int, 8, hbuf_size - i)))
1078 return -ENXIO;
1079 }
1080
1081 return hbuf_size;
1082 }
1083
1084 static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo,
1085 struct intel_crtc_state *crtc_state,
1086 struct drm_connector_state *conn_state)
1087 {
1088 struct hdmi_avi_infoframe *frame = &crtc_state->infoframes.avi.avi;
1089 const struct drm_display_mode *adjusted_mode =
1090 &crtc_state->hw.adjusted_mode;
1091 int ret;
1092
1093 if (!crtc_state->has_hdmi_sink)
1094 return true;
1095
1096 crtc_state->infoframes.enable |=
1097 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1098
1099 ret = drm_hdmi_avi_infoframe_from_display_mode(frame,
1100 conn_state->connector,
1101 adjusted_mode);
1102 if (ret)
1103 return false;
1104
1105 drm_hdmi_avi_infoframe_quant_range(frame,
1106 conn_state->connector,
1107 adjusted_mode,
1108 crtc_state->limited_color_range ?
1109 HDMI_QUANTIZATION_RANGE_LIMITED :
1110 HDMI_QUANTIZATION_RANGE_FULL);
1111
1112 ret = hdmi_avi_infoframe_check(frame);
1113 if (WARN_ON(ret))
1114 return false;
1115
1116 return true;
1117 }
1118
1119 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
1120 const struct intel_crtc_state *crtc_state)
1121 {
1122 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1123 const union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1124 ssize_t len;
1125
1126 if ((crtc_state->infoframes.enable &
1127 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI)) == 0)
1128 return true;
1129
1130 if (WARN_ON(frame->any.type != HDMI_INFOFRAME_TYPE_AVI))
1131 return false;
1132
1133 len = hdmi_infoframe_pack_only(frame, sdvo_data, sizeof(sdvo_data));
1134 if (WARN_ON(len < 0))
1135 return false;
1136
1137 return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1138 SDVO_HBUF_TX_VSYNC,
1139 sdvo_data, len);
1140 }
1141
1142 static void intel_sdvo_get_avi_infoframe(struct intel_sdvo *intel_sdvo,
1143 struct intel_crtc_state *crtc_state)
1144 {
1145 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1146 union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1147 ssize_t len;
1148 int ret;
1149
1150 if (!crtc_state->has_hdmi_sink)
1151 return;
1152
1153 len = intel_sdvo_read_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1154 sdvo_data, sizeof(sdvo_data));
1155 if (len < 0) {
1156 DRM_DEBUG_KMS("failed to read AVI infoframe\n");
1157 return;
1158 } else if (len == 0) {
1159 return;
1160 }
1161
1162 crtc_state->infoframes.enable |=
1163 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1164
1165 ret = hdmi_infoframe_unpack(frame, sdvo_data, len);
1166 if (ret) {
1167 DRM_DEBUG_KMS("Failed to unpack AVI infoframe\n");
1168 return;
1169 }
1170
1171 if (frame->any.type != HDMI_INFOFRAME_TYPE_AVI)
1172 DRM_DEBUG_KMS("Found the wrong infoframe type 0x%x (expected 0x%02x)\n",
1173 frame->any.type, HDMI_INFOFRAME_TYPE_AVI);
1174 }
1175
1176 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo,
1177 const struct drm_connector_state *conn_state)
1178 {
1179 struct intel_sdvo_tv_format format;
1180 u32 format_map;
1181
1182 format_map = 1 << conn_state->tv.mode;
1183 memset(&format, 0, sizeof(format));
1184 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
1185
1186 BUILD_BUG_ON(sizeof(format) != 6);
1187 return intel_sdvo_set_value(intel_sdvo,
1188 SDVO_CMD_SET_TV_FORMAT,
1189 &format, sizeof(format));
1190 }
1191
1192 static bool
1193 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
1194 const struct drm_display_mode *mode)
1195 {
1196 struct intel_sdvo_dtd output_dtd;
1197
1198 if (!intel_sdvo_set_target_output(intel_sdvo,
1199 intel_sdvo->attached_output))
1200 return false;
1201
1202 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1203 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1204 return false;
1205
1206 return true;
1207 }
1208
1209 /*
1210 * Asks the sdvo controller for the preferred input mode given the output mode.
1211 * Unfortunately we have to set up the full output mode to do that.
1212 */
1213 static bool
1214 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1215 struct intel_sdvo_connector *intel_sdvo_connector,
1216 const struct drm_display_mode *mode,
1217 struct drm_display_mode *adjusted_mode)
1218 {
1219 struct intel_sdvo_dtd input_dtd;
1220
1221 /* Reset the input timing to the screen. Assume always input 0. */
1222 if (!intel_sdvo_set_target_input(intel_sdvo))
1223 return false;
1224
1225 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1226 intel_sdvo_connector,
1227 mode->clock / 10,
1228 mode->hdisplay,
1229 mode->vdisplay))
1230 return false;
1231
1232 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1233 &input_dtd))
1234 return false;
1235
1236 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1237 intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1238
1239 return true;
1240 }
1241
1242 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config)
1243 {
1244 unsigned dotclock = pipe_config->port_clock;
1245 struct dpll *clock = &pipe_config->dpll;
1246
1247 /*
1248 * SDVO TV has fixed PLL values depend on its clock range,
1249 * this mirrors vbios setting.
1250 */
1251 if (dotclock >= 100000 && dotclock < 140500) {
1252 clock->p1 = 2;
1253 clock->p2 = 10;
1254 clock->n = 3;
1255 clock->m1 = 16;
1256 clock->m2 = 8;
1257 } else if (dotclock >= 140500 && dotclock <= 200000) {
1258 clock->p1 = 1;
1259 clock->p2 = 10;
1260 clock->n = 6;
1261 clock->m1 = 12;
1262 clock->m2 = 8;
1263 } else {
1264 WARN(1, "SDVO TV clock out of range: %i\n", dotclock);
1265 }
1266
1267 pipe_config->clock_set = true;
1268 }
1269
1270 static int intel_sdvo_compute_config(struct intel_encoder *encoder,
1271 struct intel_crtc_state *pipe_config,
1272 struct drm_connector_state *conn_state)
1273 {
1274 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1275 struct intel_sdvo_connector_state *intel_sdvo_state =
1276 to_intel_sdvo_connector_state(conn_state);
1277 struct intel_sdvo_connector *intel_sdvo_connector =
1278 to_intel_sdvo_connector(conn_state->connector);
1279 struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
1280 struct drm_display_mode *mode = &pipe_config->hw.mode;
1281
1282 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1283 pipe_config->pipe_bpp = 8*3;
1284 pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
1285
1286 if (HAS_PCH_SPLIT(to_i915(encoder->base.dev)))
1287 pipe_config->has_pch_encoder = true;
1288
1289 /*
1290 * We need to construct preferred input timings based on our
1291 * output timings. To do that, we have to set the output
1292 * timings, even though this isn't really the right place in
1293 * the sequence to do it. Oh well.
1294 */
1295 if (IS_TV(intel_sdvo_connector)) {
1296 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1297 return -EINVAL;
1298
1299 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1300 intel_sdvo_connector,
1301 mode,
1302 adjusted_mode);
1303 pipe_config->sdvo_tv_clock = true;
1304 } else if (IS_LVDS(intel_sdvo_connector)) {
1305 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1306 intel_sdvo_connector->base.panel.fixed_mode))
1307 return -EINVAL;
1308
1309 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1310 intel_sdvo_connector,
1311 mode,
1312 adjusted_mode);
1313 }
1314
1315 if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
1316 return -EINVAL;
1317
1318 /*
1319 * Make the CRTC code factor in the SDVO pixel multiplier. The
1320 * SDVO device will factor out the multiplier during mode_set.
1321 */
1322 pipe_config->pixel_multiplier =
1323 intel_sdvo_get_pixel_multiplier(adjusted_mode);
1324
1325 if (intel_sdvo_state->base.force_audio != HDMI_AUDIO_OFF_DVI)
1326 pipe_config->has_hdmi_sink = intel_sdvo->has_hdmi_monitor;
1327
1328 if (intel_sdvo_state->base.force_audio == HDMI_AUDIO_ON ||
1329 (intel_sdvo_state->base.force_audio == HDMI_AUDIO_AUTO && intel_sdvo->has_hdmi_audio))
1330 pipe_config->has_audio = true;
1331
1332 if (intel_sdvo_state->base.broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) {
1333 /*
1334 * See CEA-861-E - 5.1 Default Encoding Parameters
1335 *
1336 * FIXME: This bit is only valid when using TMDS encoding and 8
1337 * bit per color mode.
1338 */
1339 if (pipe_config->has_hdmi_sink &&
1340 drm_match_cea_mode(adjusted_mode) > 1)
1341 pipe_config->limited_color_range = true;
1342 } else {
1343 if (pipe_config->has_hdmi_sink &&
1344 intel_sdvo_state->base.broadcast_rgb == INTEL_BROADCAST_RGB_LIMITED)
1345 pipe_config->limited_color_range = true;
1346 }
1347
1348 /* Clock computation needs to happen after pixel multiplier. */
1349 if (IS_TV(intel_sdvo_connector))
1350 i9xx_adjust_sdvo_tv_clock(pipe_config);
1351
1352 if (conn_state->picture_aspect_ratio)
1353 adjusted_mode->picture_aspect_ratio =
1354 conn_state->picture_aspect_ratio;
1355
1356 if (!intel_sdvo_compute_avi_infoframe(intel_sdvo,
1357 pipe_config, conn_state)) {
1358 DRM_DEBUG_KMS("bad AVI infoframe\n");
1359 return -EINVAL;
1360 }
1361
1362 return 0;
1363 }
1364
1365 #define UPDATE_PROPERTY(input, NAME) \
1366 do { \
1367 val = input; \
1368 intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_##NAME, &val, sizeof(val)); \
1369 } while (0)
1370
1371 static void intel_sdvo_update_props(struct intel_sdvo *intel_sdvo,
1372 const struct intel_sdvo_connector_state *sdvo_state)
1373 {
1374 const struct drm_connector_state *conn_state = &sdvo_state->base.base;
1375 struct intel_sdvo_connector *intel_sdvo_conn =
1376 to_intel_sdvo_connector(conn_state->connector);
1377 u16 val;
1378
1379 if (intel_sdvo_conn->left)
1380 UPDATE_PROPERTY(sdvo_state->tv.overscan_h, OVERSCAN_H);
1381
1382 if (intel_sdvo_conn->top)
1383 UPDATE_PROPERTY(sdvo_state->tv.overscan_v, OVERSCAN_V);
1384
1385 if (intel_sdvo_conn->hpos)
1386 UPDATE_PROPERTY(sdvo_state->tv.hpos, HPOS);
1387
1388 if (intel_sdvo_conn->vpos)
1389 UPDATE_PROPERTY(sdvo_state->tv.vpos, VPOS);
1390
1391 if (intel_sdvo_conn->saturation)
1392 UPDATE_PROPERTY(conn_state->tv.saturation, SATURATION);
1393
1394 if (intel_sdvo_conn->contrast)
1395 UPDATE_PROPERTY(conn_state->tv.contrast, CONTRAST);
1396
1397 if (intel_sdvo_conn->hue)
1398 UPDATE_PROPERTY(conn_state->tv.hue, HUE);
1399
1400 if (intel_sdvo_conn->brightness)
1401 UPDATE_PROPERTY(conn_state->tv.brightness, BRIGHTNESS);
1402
1403 if (intel_sdvo_conn->sharpness)
1404 UPDATE_PROPERTY(sdvo_state->tv.sharpness, SHARPNESS);
1405
1406 if (intel_sdvo_conn->flicker_filter)
1407 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter, FLICKER_FILTER);
1408
1409 if (intel_sdvo_conn->flicker_filter_2d)
1410 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_2d, FLICKER_FILTER_2D);
1411
1412 if (intel_sdvo_conn->flicker_filter_adaptive)
1413 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
1414
1415 if (intel_sdvo_conn->tv_chroma_filter)
1416 UPDATE_PROPERTY(sdvo_state->tv.chroma_filter, TV_CHROMA_FILTER);
1417
1418 if (intel_sdvo_conn->tv_luma_filter)
1419 UPDATE_PROPERTY(sdvo_state->tv.luma_filter, TV_LUMA_FILTER);
1420
1421 if (intel_sdvo_conn->dot_crawl)
1422 UPDATE_PROPERTY(sdvo_state->tv.dot_crawl, DOT_CRAWL);
1423
1424 #undef UPDATE_PROPERTY
1425 }
1426
1427 static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder,
1428 const struct intel_crtc_state *crtc_state,
1429 const struct drm_connector_state *conn_state)
1430 {
1431 struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
1432 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
1433 const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
1434 const struct intel_sdvo_connector_state *sdvo_state =
1435 to_intel_sdvo_connector_state(conn_state);
1436 const struct intel_sdvo_connector *intel_sdvo_connector =
1437 to_intel_sdvo_connector(conn_state->connector);
1438 const struct drm_display_mode *mode = &crtc_state->hw.mode;
1439 struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
1440 u32 sdvox;
1441 struct intel_sdvo_in_out_map in_out;
1442 struct intel_sdvo_dtd input_dtd, output_dtd;
1443 int rate;
1444
1445 intel_sdvo_update_props(intel_sdvo, sdvo_state);
1446
1447 /*
1448 * First, set the input mapping for the first input to our controlled
1449 * output. This is only correct if we're a single-input device, in
1450 * which case the first input is the output from the appropriate SDVO
1451 * channel on the motherboard. In a two-input device, the first input
1452 * will be SDVOB and the second SDVOC.
1453 */
1454 in_out.in0 = intel_sdvo->attached_output;
1455 in_out.in1 = 0;
1456
1457 intel_sdvo_set_value(intel_sdvo,
1458 SDVO_CMD_SET_IN_OUT_MAP,
1459 &in_out, sizeof(in_out));
1460
1461 /* Set the output timings to the screen */
1462 if (!intel_sdvo_set_target_output(intel_sdvo,
1463 intel_sdvo->attached_output))
1464 return;
1465
1466 /* lvds has a special fixed output timing. */
1467 if (IS_LVDS(intel_sdvo_connector))
1468 intel_sdvo_get_dtd_from_mode(&output_dtd,
1469 intel_sdvo_connector->base.panel.fixed_mode);
1470 else
1471 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1472 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1473 DRM_INFO("Setting output timings on %s failed\n",
1474 SDVO_NAME(intel_sdvo));
1475
1476 /* Set the input timing to the screen. Assume always input 0. */
1477 if (!intel_sdvo_set_target_input(intel_sdvo))
1478 return;
1479
1480 if (crtc_state->has_hdmi_sink) {
1481 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1482 intel_sdvo_set_colorimetry(intel_sdvo,
1483 SDVO_COLORIMETRY_RGB256);
1484 intel_sdvo_set_avi_infoframe(intel_sdvo, crtc_state);
1485 } else
1486 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1487
1488 if (IS_TV(intel_sdvo_connector) &&
1489 !intel_sdvo_set_tv_format(intel_sdvo, conn_state))
1490 return;
1491
1492 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1493
1494 if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector))
1495 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1496 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1497 DRM_INFO("Setting input timings on %s failed\n",
1498 SDVO_NAME(intel_sdvo));
1499
1500 switch (crtc_state->pixel_multiplier) {
1501 default:
1502 WARN(1, "unknown pixel multiplier specified\n");
1503 /* fall through */
1504 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1505 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1506 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1507 }
1508 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1509 return;
1510
1511 /* Set the SDVO control regs. */
1512 if (INTEL_GEN(dev_priv) >= 4) {
1513 /* The real mode polarity is set by the SDVO commands, using
1514 * struct intel_sdvo_dtd. */
1515 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1516 if (!HAS_PCH_SPLIT(dev_priv) && crtc_state->limited_color_range)
1517 sdvox |= HDMI_COLOR_RANGE_16_235;
1518 if (INTEL_GEN(dev_priv) < 5)
1519 sdvox |= SDVO_BORDER_ENABLE;
1520 } else {
1521 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1522 if (intel_sdvo->port == PORT_B)
1523 sdvox &= SDVOB_PRESERVE_MASK;
1524 else
1525 sdvox &= SDVOC_PRESERVE_MASK;
1526 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1527 }
1528
1529 if (HAS_PCH_CPT(dev_priv))
1530 sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
1531 else
1532 sdvox |= SDVO_PIPE_SEL(crtc->pipe);
1533
1534 if (INTEL_GEN(dev_priv) >= 4) {
1535 /* done in crtc_mode_set as the dpll_md reg must be written early */
1536 } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) ||
1537 IS_G33(dev_priv) || IS_PINEVIEW(dev_priv)) {
1538 /* done in crtc_mode_set as it lives inside the dpll register */
1539 } else {
1540 sdvox |= (crtc_state->pixel_multiplier - 1)
1541 << SDVO_PORT_MULTIPLY_SHIFT;
1542 }
1543
1544 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1545 INTEL_GEN(dev_priv) < 5)
1546 sdvox |= SDVO_STALL_SELECT;
1547 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1548 }
1549
1550 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1551 {
1552 struct intel_sdvo_connector *intel_sdvo_connector =
1553 to_intel_sdvo_connector(&connector->base);
1554 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1555 u16 active_outputs = 0;
1556
1557 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1558
1559 return active_outputs & intel_sdvo_connector->output_flag;
1560 }
1561
1562 bool intel_sdvo_port_enabled(struct drm_i915_private *dev_priv,
1563 i915_reg_t sdvo_reg, enum pipe *pipe)
1564 {
1565 u32 val;
1566
1567 val = I915_READ(sdvo_reg);
1568
1569 /* asserts want to know the pipe even if the port is disabled */
1570 if (HAS_PCH_CPT(dev_priv))
1571 *pipe = (val & SDVO_PIPE_SEL_MASK_CPT) >> SDVO_PIPE_SEL_SHIFT_CPT;
1572 else if (IS_CHERRYVIEW(dev_priv))
1573 *pipe = (val & SDVO_PIPE_SEL_MASK_CHV) >> SDVO_PIPE_SEL_SHIFT_CHV;
1574 else
1575 *pipe = (val & SDVO_PIPE_SEL_MASK) >> SDVO_PIPE_SEL_SHIFT;
1576
1577 return val & SDVO_ENABLE;
1578 }
1579
1580 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1581 enum pipe *pipe)
1582 {
1583 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1584 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1585 u16 active_outputs = 0;
1586 bool ret;
1587
1588 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1589
1590 ret = intel_sdvo_port_enabled(dev_priv, intel_sdvo->sdvo_reg, pipe);
1591
1592 return ret || active_outputs;
1593 }
1594
1595 static void intel_sdvo_get_config(struct intel_encoder *encoder,
1596 struct intel_crtc_state *pipe_config)
1597 {
1598 struct drm_device *dev = encoder->base.dev;
1599 struct drm_i915_private *dev_priv = to_i915(dev);
1600 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1601 struct intel_sdvo_dtd dtd;
1602 int encoder_pixel_multiplier = 0;
1603 int dotclock;
1604 u32 flags = 0, sdvox;
1605 u8 val;
1606 bool ret;
1607
1608 pipe_config->output_types |= BIT(INTEL_OUTPUT_SDVO);
1609
1610 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1611
1612 ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
1613 if (!ret) {
1614 /*
1615 * Some sdvo encoders are not spec compliant and don't
1616 * implement the mandatory get_timings function.
1617 */
1618 DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n");
1619 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
1620 } else {
1621 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
1622 flags |= DRM_MODE_FLAG_PHSYNC;
1623 else
1624 flags |= DRM_MODE_FLAG_NHSYNC;
1625
1626 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
1627 flags |= DRM_MODE_FLAG_PVSYNC;
1628 else
1629 flags |= DRM_MODE_FLAG_NVSYNC;
1630 }
1631
1632 pipe_config->hw.adjusted_mode.flags |= flags;
1633
1634 /*
1635 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1636 * the sdvo port register, on all other platforms it is part of the dpll
1637 * state. Since the general pipe state readout happens before the
1638 * encoder->get_config we so already have a valid pixel multplier on all
1639 * other platfroms.
1640 */
1641 if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) {
1642 pipe_config->pixel_multiplier =
1643 ((sdvox & SDVO_PORT_MULTIPLY_MASK)
1644 >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
1645 }
1646
1647 dotclock = pipe_config->port_clock;
1648
1649 if (pipe_config->pixel_multiplier)
1650 dotclock /= pipe_config->pixel_multiplier;
1651
1652 pipe_config->hw.adjusted_mode.crtc_clock = dotclock;
1653
1654 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1655 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
1656 &val, 1)) {
1657 switch (val) {
1658 case SDVO_CLOCK_RATE_MULT_1X:
1659 encoder_pixel_multiplier = 1;
1660 break;
1661 case SDVO_CLOCK_RATE_MULT_2X:
1662 encoder_pixel_multiplier = 2;
1663 break;
1664 case SDVO_CLOCK_RATE_MULT_4X:
1665 encoder_pixel_multiplier = 4;
1666 break;
1667 }
1668 }
1669
1670 WARN(encoder_pixel_multiplier != pipe_config->pixel_multiplier,
1671 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1672 pipe_config->pixel_multiplier, encoder_pixel_multiplier);
1673
1674 if (sdvox & HDMI_COLOR_RANGE_16_235)
1675 pipe_config->limited_color_range = true;
1676
1677 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT,
1678 &val, 1)) {
1679 u8 mask = SDVO_AUDIO_ELD_VALID | SDVO_AUDIO_PRESENCE_DETECT;
1680
1681 if ((val & mask) == mask)
1682 pipe_config->has_audio = true;
1683 }
1684
1685 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
1686 &val, 1)) {
1687 if (val == SDVO_ENCODE_HDMI)
1688 pipe_config->has_hdmi_sink = true;
1689 }
1690
1691 intel_sdvo_get_avi_infoframe(intel_sdvo, pipe_config);
1692 }
1693
1694 static void intel_sdvo_disable_audio(struct intel_sdvo *intel_sdvo)
1695 {
1696 intel_sdvo_set_audio_state(intel_sdvo, 0);
1697 }
1698
1699 static void intel_sdvo_enable_audio(struct intel_sdvo *intel_sdvo,
1700 const struct intel_crtc_state *crtc_state,
1701 const struct drm_connector_state *conn_state)
1702 {
1703 const struct drm_display_mode *adjusted_mode =
1704 &crtc_state->hw.adjusted_mode;
1705 struct drm_connector *connector = conn_state->connector;
1706 u8 *eld = connector->eld;
1707
1708 eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;
1709
1710 intel_sdvo_set_audio_state(intel_sdvo, 0);
1711
1712 intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD,
1713 SDVO_HBUF_TX_DISABLED,
1714 eld, drm_eld_size(eld));
1715
1716 intel_sdvo_set_audio_state(intel_sdvo, SDVO_AUDIO_ELD_VALID |
1717 SDVO_AUDIO_PRESENCE_DETECT);
1718 }
1719
1720 static void intel_disable_sdvo(struct intel_encoder *encoder,
1721 const struct intel_crtc_state *old_crtc_state,
1722 const struct drm_connector_state *conn_state)
1723 {
1724 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1725 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1726 struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
1727 u32 temp;
1728
1729 if (old_crtc_state->has_audio)
1730 intel_sdvo_disable_audio(intel_sdvo);
1731
1732 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1733 if (0)
1734 intel_sdvo_set_encoder_power_state(intel_sdvo,
1735 DRM_MODE_DPMS_OFF);
1736
1737 temp = I915_READ(intel_sdvo->sdvo_reg);
1738
1739 temp &= ~SDVO_ENABLE;
1740 intel_sdvo_write_sdvox(intel_sdvo, temp);
1741
1742 /*
1743 * HW workaround for IBX, we need to move the port
1744 * to transcoder A after disabling it to allow the
1745 * matching DP port to be enabled on transcoder A.
1746 */
1747 if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) {
1748 /*
1749 * We get CPU/PCH FIFO underruns on the other pipe when
1750 * doing the workaround. Sweep them under the rug.
1751 */
1752 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1753 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1754
1755 temp &= ~SDVO_PIPE_SEL_MASK;
1756 temp |= SDVO_ENABLE | SDVO_PIPE_SEL(PIPE_A);
1757 intel_sdvo_write_sdvox(intel_sdvo, temp);
1758
1759 temp &= ~SDVO_ENABLE;
1760 intel_sdvo_write_sdvox(intel_sdvo, temp);
1761
1762 intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
1763 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1764 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1765 }
1766 }
1767
1768 static void pch_disable_sdvo(struct intel_encoder *encoder,
1769 const struct intel_crtc_state *old_crtc_state,
1770 const struct drm_connector_state *old_conn_state)
1771 {
1772 }
1773
1774 static void pch_post_disable_sdvo(struct intel_encoder *encoder,
1775 const struct intel_crtc_state *old_crtc_state,
1776 const struct drm_connector_state *old_conn_state)
1777 {
1778 intel_disable_sdvo(encoder, old_crtc_state, old_conn_state);
1779 }
1780
1781 static void intel_enable_sdvo(struct intel_encoder *encoder,
1782 const struct intel_crtc_state *pipe_config,
1783 const struct drm_connector_state *conn_state)
1784 {
1785 struct drm_device *dev = encoder->base.dev;
1786 struct drm_i915_private *dev_priv = to_i915(dev);
1787 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1788 struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
1789 u32 temp;
1790 bool input1, input2;
1791 int i;
1792 bool success;
1793
1794 temp = I915_READ(intel_sdvo->sdvo_reg);
1795 temp |= SDVO_ENABLE;
1796 intel_sdvo_write_sdvox(intel_sdvo, temp);
1797
1798 for (i = 0; i < 2; i++)
1799 intel_wait_for_vblank(dev_priv, intel_crtc->pipe);
1800
1801 success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1802 /*
1803 * Warn if the device reported failure to sync.
1804 *
1805 * A lot of SDVO devices fail to notify of sync, but it's
1806 * a given it the status is a success, we succeeded.
1807 */
1808 if (success && !input1) {
1809 DRM_DEBUG_KMS("First %s output reported failure to "
1810 "sync\n", SDVO_NAME(intel_sdvo));
1811 }
1812
1813 if (0)
1814 intel_sdvo_set_encoder_power_state(intel_sdvo,
1815 DRM_MODE_DPMS_ON);
1816 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1817
1818 if (pipe_config->has_audio)
1819 intel_sdvo_enable_audio(intel_sdvo, pipe_config, conn_state);
1820 }
1821
1822 static enum drm_mode_status
1823 intel_sdvo_mode_valid(struct drm_connector *connector,
1824 struct drm_display_mode *mode)
1825 {
1826 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
1827 struct intel_sdvo_connector *intel_sdvo_connector =
1828 to_intel_sdvo_connector(connector);
1829 int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
1830
1831 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1832 return MODE_NO_DBLESCAN;
1833
1834 if (intel_sdvo->pixel_clock_min > mode->clock)
1835 return MODE_CLOCK_LOW;
1836
1837 if (intel_sdvo->pixel_clock_max < mode->clock)
1838 return MODE_CLOCK_HIGH;
1839
1840 if (mode->clock > max_dotclk)
1841 return MODE_CLOCK_HIGH;
1842
1843 if (IS_LVDS(intel_sdvo_connector)) {
1844 const struct drm_display_mode *fixed_mode =
1845 intel_sdvo_connector->base.panel.fixed_mode;
1846
1847 if (mode->hdisplay > fixed_mode->hdisplay)
1848 return MODE_PANEL;
1849
1850 if (mode->vdisplay > fixed_mode->vdisplay)
1851 return MODE_PANEL;
1852 }
1853
1854 return MODE_OK;
1855 }
1856
1857 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1858 {
1859 BUILD_BUG_ON(sizeof(*caps) != 8);
1860 if (!intel_sdvo_get_value(intel_sdvo,
1861 SDVO_CMD_GET_DEVICE_CAPS,
1862 caps, sizeof(*caps)))
1863 return false;
1864
1865 DRM_DEBUG_KMS("SDVO capabilities:\n"
1866 " vendor_id: %d\n"
1867 " device_id: %d\n"
1868 " device_rev_id: %d\n"
1869 " sdvo_version_major: %d\n"
1870 " sdvo_version_minor: %d\n"
1871 " sdvo_inputs_mask: %d\n"
1872 " smooth_scaling: %d\n"
1873 " sharp_scaling: %d\n"
1874 " up_scaling: %d\n"
1875 " down_scaling: %d\n"
1876 " stall_support: %d\n"
1877 " output_flags: %d\n",
1878 caps->vendor_id,
1879 caps->device_id,
1880 caps->device_rev_id,
1881 caps->sdvo_version_major,
1882 caps->sdvo_version_minor,
1883 caps->sdvo_inputs_mask,
1884 caps->smooth_scaling,
1885 caps->sharp_scaling,
1886 caps->up_scaling,
1887 caps->down_scaling,
1888 caps->stall_support,
1889 caps->output_flags);
1890
1891 return true;
1892 }
1893
1894 static u16 intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1895 {
1896 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1897 u16 hotplug;
1898
1899 if (!I915_HAS_HOTPLUG(dev_priv))
1900 return 0;
1901
1902 /*
1903 * HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1904 * on the line.
1905 */
1906 if (IS_I945G(dev_priv) || IS_I945GM(dev_priv))
1907 return 0;
1908
1909 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1910 &hotplug, sizeof(hotplug)))
1911 return 0;
1912
1913 return hotplug;
1914 }
1915
1916 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1917 {
1918 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1919
1920 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1921 &intel_sdvo->hotplug_active, 2);
1922 }
1923
1924 static enum intel_hotplug_state
1925 intel_sdvo_hotplug(struct intel_encoder *encoder,
1926 struct intel_connector *connector,
1927 bool irq_received)
1928 {
1929 intel_sdvo_enable_hotplug(encoder);
1930
1931 return intel_encoder_hotplug(encoder, connector, irq_received);
1932 }
1933
1934 static bool
1935 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1936 {
1937 /* Is there more than one type of output? */
1938 return hweight16(intel_sdvo->caps.output_flags) > 1;
1939 }
1940
1941 static struct edid *
1942 intel_sdvo_get_edid(struct drm_connector *connector)
1943 {
1944 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
1945 return drm_get_edid(connector, &sdvo->ddc);
1946 }
1947
1948 /* Mac mini hack -- use the same DDC as the analog connector */
1949 static struct edid *
1950 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1951 {
1952 struct drm_i915_private *dev_priv = to_i915(connector->dev);
1953
1954 return drm_get_edid(connector,
1955 intel_gmbus_get_adapter(dev_priv,
1956 dev_priv->vbt.crt_ddc_pin));
1957 }
1958
1959 static enum drm_connector_status
1960 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1961 {
1962 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
1963 struct intel_sdvo_connector *intel_sdvo_connector =
1964 to_intel_sdvo_connector(connector);
1965 enum drm_connector_status status;
1966 struct edid *edid;
1967
1968 edid = intel_sdvo_get_edid(connector);
1969
1970 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1971 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1972
1973 /*
1974 * Don't use the 1 as the argument of DDC bus switch to get
1975 * the EDID. It is used for SDVO SPD ROM.
1976 */
1977 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1978 intel_sdvo->ddc_bus = ddc;
1979 edid = intel_sdvo_get_edid(connector);
1980 if (edid)
1981 break;
1982 }
1983 /*
1984 * If we found the EDID on the other bus,
1985 * assume that is the correct DDC bus.
1986 */
1987 if (edid == NULL)
1988 intel_sdvo->ddc_bus = saved_ddc;
1989 }
1990
1991 /*
1992 * When there is no edid and no monitor is connected with VGA
1993 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1994 */
1995 if (edid == NULL)
1996 edid = intel_sdvo_get_analog_edid(connector);
1997
1998 status = connector_status_unknown;
1999 if (edid != NULL) {
2000 /* DDC bus is shared, match EDID to connector type */
2001 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
2002 status = connector_status_connected;
2003 if (intel_sdvo_connector->is_hdmi) {
2004 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
2005 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
2006 }
2007 } else
2008 status = connector_status_disconnected;
2009 kfree(edid);
2010 }
2011
2012 return status;
2013 }
2014
2015 static bool
2016 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
2017 struct edid *edid)
2018 {
2019 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
2020 bool connector_is_digital = !!IS_DIGITAL(sdvo);
2021
2022 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
2023 connector_is_digital, monitor_is_digital);
2024 return connector_is_digital == monitor_is_digital;
2025 }
2026
2027 static enum drm_connector_status
2028 intel_sdvo_detect(struct drm_connector *connector, bool force)
2029 {
2030 u16 response;
2031 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2032 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2033 enum drm_connector_status ret;
2034
2035 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2036 connector->base.id, connector->name);
2037
2038 if (!intel_sdvo_get_value(intel_sdvo,
2039 SDVO_CMD_GET_ATTACHED_DISPLAYS,
2040 &response, 2))
2041 return connector_status_unknown;
2042
2043 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
2044 response & 0xff, response >> 8,
2045 intel_sdvo_connector->output_flag);
2046
2047 if (response == 0)
2048 return connector_status_disconnected;
2049
2050 intel_sdvo->attached_output = response;
2051
2052 intel_sdvo->has_hdmi_monitor = false;
2053 intel_sdvo->has_hdmi_audio = false;
2054
2055 if ((intel_sdvo_connector->output_flag & response) == 0)
2056 ret = connector_status_disconnected;
2057 else if (IS_TMDS(intel_sdvo_connector))
2058 ret = intel_sdvo_tmds_sink_detect(connector);
2059 else {
2060 struct edid *edid;
2061
2062 /* if we have an edid check it matches the connection */
2063 edid = intel_sdvo_get_edid(connector);
2064 if (edid == NULL)
2065 edid = intel_sdvo_get_analog_edid(connector);
2066 if (edid != NULL) {
2067 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
2068 edid))
2069 ret = connector_status_connected;
2070 else
2071 ret = connector_status_disconnected;
2072
2073 kfree(edid);
2074 } else
2075 ret = connector_status_connected;
2076 }
2077
2078 return ret;
2079 }
2080
2081 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
2082 {
2083 struct edid *edid;
2084
2085 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2086 connector->base.id, connector->name);
2087
2088 /* set the bus switch and get the modes */
2089 edid = intel_sdvo_get_edid(connector);
2090
2091 /*
2092 * Mac mini hack. On this device, the DVI-I connector shares one DDC
2093 * link between analog and digital outputs. So, if the regular SDVO
2094 * DDC fails, check to see if the analog output is disconnected, in
2095 * which case we'll look there for the digital DDC data.
2096 */
2097 if (edid == NULL)
2098 edid = intel_sdvo_get_analog_edid(connector);
2099
2100 if (edid != NULL) {
2101 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
2102 edid)) {
2103 drm_connector_update_edid_property(connector, edid);
2104 drm_add_edid_modes(connector, edid);
2105 }
2106
2107 kfree(edid);
2108 }
2109 }
2110
2111 /*
2112 * Set of SDVO TV modes.
2113 * Note! This is in reply order (see loop in get_tv_modes).
2114 * XXX: all 60Hz refresh?
2115 */
2116 static const struct drm_display_mode sdvo_tv_modes[] = {
2117 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
2118 416, 0, 200, 201, 232, 233, 0,
2119 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2120 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
2121 416, 0, 240, 241, 272, 273, 0,
2122 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2123 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
2124 496, 0, 300, 301, 332, 333, 0,
2125 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2126 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
2127 736, 0, 350, 351, 382, 383, 0,
2128 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2129 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
2130 736, 0, 400, 401, 432, 433, 0,
2131 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2132 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
2133 736, 0, 480, 481, 512, 513, 0,
2134 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2135 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
2136 800, 0, 480, 481, 512, 513, 0,
2137 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2138 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
2139 800, 0, 576, 577, 608, 609, 0,
2140 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2141 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
2142 816, 0, 350, 351, 382, 383, 0,
2143 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2144 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
2145 816, 0, 400, 401, 432, 433, 0,
2146 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2147 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
2148 816, 0, 480, 481, 512, 513, 0,
2149 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2150 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
2151 816, 0, 540, 541, 572, 573, 0,
2152 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2153 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
2154 816, 0, 576, 577, 608, 609, 0,
2155 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2156 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
2157 864, 0, 576, 577, 608, 609, 0,
2158 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2159 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
2160 896, 0, 600, 601, 632, 633, 0,
2161 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2162 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
2163 928, 0, 624, 625, 656, 657, 0,
2164 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2165 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
2166 1016, 0, 766, 767, 798, 799, 0,
2167 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2168 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
2169 1120, 0, 768, 769, 800, 801, 0,
2170 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2171 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
2172 1376, 0, 1024, 1025, 1056, 1057, 0,
2173 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2174 };
2175
2176 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
2177 {
2178 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2179 const struct drm_connector_state *conn_state = connector->state;
2180 struct intel_sdvo_sdtv_resolution_request tv_res;
2181 u32 reply = 0, format_map = 0;
2182 int i;
2183
2184 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2185 connector->base.id, connector->name);
2186
2187 /*
2188 * Read the list of supported input resolutions for the selected TV
2189 * format.
2190 */
2191 format_map = 1 << conn_state->tv.mode;
2192 memcpy(&tv_res, &format_map,
2193 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
2194
2195 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
2196 return;
2197
2198 BUILD_BUG_ON(sizeof(tv_res) != 3);
2199 if (!intel_sdvo_write_cmd(intel_sdvo,
2200 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
2201 &tv_res, sizeof(tv_res)))
2202 return;
2203 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
2204 return;
2205
2206 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
2207 if (reply & (1 << i)) {
2208 struct drm_display_mode *nmode;
2209 nmode = drm_mode_duplicate(connector->dev,
2210 &sdvo_tv_modes[i]);
2211 if (nmode)
2212 drm_mode_probed_add(connector, nmode);
2213 }
2214 }
2215
2216 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
2217 {
2218 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2219 struct drm_i915_private *dev_priv = to_i915(connector->dev);
2220 struct drm_display_mode *newmode;
2221
2222 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2223 connector->base.id, connector->name);
2224
2225 /*
2226 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
2227 * SDVO->LVDS transcoders can't cope with the EDID mode.
2228 */
2229 if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
2230 newmode = drm_mode_duplicate(connector->dev,
2231 dev_priv->vbt.sdvo_lvds_vbt_mode);
2232 if (newmode != NULL) {
2233 /* Guarantee the mode is preferred */
2234 newmode->type = (DRM_MODE_TYPE_PREFERRED |
2235 DRM_MODE_TYPE_DRIVER);
2236 drm_mode_probed_add(connector, newmode);
2237 }
2238 }
2239
2240 /*
2241 * Attempt to get the mode list from DDC.
2242 * Assume that the preferred modes are
2243 * arranged in priority order.
2244 */
2245 intel_ddc_get_modes(connector, &intel_sdvo->ddc);
2246 }
2247
2248 static int intel_sdvo_get_modes(struct drm_connector *connector)
2249 {
2250 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2251
2252 if (IS_TV(intel_sdvo_connector))
2253 intel_sdvo_get_tv_modes(connector);
2254 else if (IS_LVDS(intel_sdvo_connector))
2255 intel_sdvo_get_lvds_modes(connector);
2256 else
2257 intel_sdvo_get_ddc_modes(connector);
2258
2259 return !list_empty(&connector->probed_modes);
2260 }
2261
2262 static int
2263 intel_sdvo_connector_atomic_get_property(struct drm_connector *connector,
2264 const struct drm_connector_state *state,
2265 struct drm_property *property,
2266 u64 *val)
2267 {
2268 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2269 const struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state((void *)state);
2270
2271 if (property == intel_sdvo_connector->tv_format) {
2272 int i;
2273
2274 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2275 if (state->tv.mode == intel_sdvo_connector->tv_format_supported[i]) {
2276 *val = i;
2277
2278 return 0;
2279 }
2280
2281 WARN_ON(1);
2282 *val = 0;
2283 } else if (property == intel_sdvo_connector->top ||
2284 property == intel_sdvo_connector->bottom)
2285 *val = intel_sdvo_connector->max_vscan - sdvo_state->tv.overscan_v;
2286 else if (property == intel_sdvo_connector->left ||
2287 property == intel_sdvo_connector->right)
2288 *val = intel_sdvo_connector->max_hscan - sdvo_state->tv.overscan_h;
2289 else if (property == intel_sdvo_connector->hpos)
2290 *val = sdvo_state->tv.hpos;
2291 else if (property == intel_sdvo_connector->vpos)
2292 *val = sdvo_state->tv.vpos;
2293 else if (property == intel_sdvo_connector->saturation)
2294 *val = state->tv.saturation;
2295 else if (property == intel_sdvo_connector->contrast)
2296 *val = state->tv.contrast;
2297 else if (property == intel_sdvo_connector->hue)
2298 *val = state->tv.hue;
2299 else if (property == intel_sdvo_connector->brightness)
2300 *val = state->tv.brightness;
2301 else if (property == intel_sdvo_connector->sharpness)
2302 *val = sdvo_state->tv.sharpness;
2303 else if (property == intel_sdvo_connector->flicker_filter)
2304 *val = sdvo_state->tv.flicker_filter;
2305 else if (property == intel_sdvo_connector->flicker_filter_2d)
2306 *val = sdvo_state->tv.flicker_filter_2d;
2307 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2308 *val = sdvo_state->tv.flicker_filter_adaptive;
2309 else if (property == intel_sdvo_connector->tv_chroma_filter)
2310 *val = sdvo_state->tv.chroma_filter;
2311 else if (property == intel_sdvo_connector->tv_luma_filter)
2312 *val = sdvo_state->tv.luma_filter;
2313 else if (property == intel_sdvo_connector->dot_crawl)
2314 *val = sdvo_state->tv.dot_crawl;
2315 else
2316 return intel_digital_connector_atomic_get_property(connector, state, property, val);
2317
2318 return 0;
2319 }
2320
2321 static int
2322 intel_sdvo_connector_atomic_set_property(struct drm_connector *connector,
2323 struct drm_connector_state *state,
2324 struct drm_property *property,
2325 u64 val)
2326 {
2327 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2328 struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state(state);
2329
2330 if (property == intel_sdvo_connector->tv_format) {
2331 state->tv.mode = intel_sdvo_connector->tv_format_supported[val];
2332
2333 if (state->crtc) {
2334 struct drm_crtc_state *crtc_state =
2335 drm_atomic_get_new_crtc_state(state->state, state->crtc);
2336
2337 crtc_state->connectors_changed = true;
2338 }
2339 } else if (property == intel_sdvo_connector->top ||
2340 property == intel_sdvo_connector->bottom)
2341 /* Cannot set these independent from each other */
2342 sdvo_state->tv.overscan_v = intel_sdvo_connector->max_vscan - val;
2343 else if (property == intel_sdvo_connector->left ||
2344 property == intel_sdvo_connector->right)
2345 /* Cannot set these independent from each other */
2346 sdvo_state->tv.overscan_h = intel_sdvo_connector->max_hscan - val;
2347 else if (property == intel_sdvo_connector->hpos)
2348 sdvo_state->tv.hpos = val;
2349 else if (property == intel_sdvo_connector->vpos)
2350 sdvo_state->tv.vpos = val;
2351 else if (property == intel_sdvo_connector->saturation)
2352 state->tv.saturation = val;
2353 else if (property == intel_sdvo_connector->contrast)
2354 state->tv.contrast = val;
2355 else if (property == intel_sdvo_connector->hue)
2356 state->tv.hue = val;
2357 else if (property == intel_sdvo_connector->brightness)
2358 state->tv.brightness = val;
2359 else if (property == intel_sdvo_connector->sharpness)
2360 sdvo_state->tv.sharpness = val;
2361 else if (property == intel_sdvo_connector->flicker_filter)
2362 sdvo_state->tv.flicker_filter = val;
2363 else if (property == intel_sdvo_connector->flicker_filter_2d)
2364 sdvo_state->tv.flicker_filter_2d = val;
2365 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2366 sdvo_state->tv.flicker_filter_adaptive = val;
2367 else if (property == intel_sdvo_connector->tv_chroma_filter)
2368 sdvo_state->tv.chroma_filter = val;
2369 else if (property == intel_sdvo_connector->tv_luma_filter)
2370 sdvo_state->tv.luma_filter = val;
2371 else if (property == intel_sdvo_connector->dot_crawl)
2372 sdvo_state->tv.dot_crawl = val;
2373 else
2374 return intel_digital_connector_atomic_set_property(connector, state, property, val);
2375
2376 return 0;
2377 }
2378
2379 static int
2380 intel_sdvo_connector_register(struct drm_connector *connector)
2381 {
2382 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
2383 int ret;
2384
2385 ret = intel_connector_register(connector);
2386 if (ret)
2387 return ret;
2388
2389 return sysfs_create_link(&connector->kdev->kobj,
2390 &sdvo->ddc.dev.kobj,
2391 sdvo->ddc.dev.kobj.name);
2392 }
2393
2394 static void
2395 intel_sdvo_connector_unregister(struct drm_connector *connector)
2396 {
2397 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
2398
2399 sysfs_remove_link(&connector->kdev->kobj,
2400 sdvo->ddc.dev.kobj.name);
2401 intel_connector_unregister(connector);
2402 }
2403
2404 static struct drm_connector_state *
2405 intel_sdvo_connector_duplicate_state(struct drm_connector *connector)
2406 {
2407 struct intel_sdvo_connector_state *state;
2408
2409 state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL);
2410 if (!state)
2411 return NULL;
2412
2413 __drm_atomic_helper_connector_duplicate_state(connector, &state->base.base);
2414 return &state->base.base;
2415 }
2416
2417 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2418 .detect = intel_sdvo_detect,
2419 .fill_modes = drm_helper_probe_single_connector_modes,
2420 .atomic_get_property = intel_sdvo_connector_atomic_get_property,
2421 .atomic_set_property = intel_sdvo_connector_atomic_set_property,
2422 .late_register = intel_sdvo_connector_register,
2423 .early_unregister = intel_sdvo_connector_unregister,
2424 .destroy = intel_connector_destroy,
2425 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
2426 .atomic_duplicate_state = intel_sdvo_connector_duplicate_state,
2427 };
2428
2429 static int intel_sdvo_atomic_check(struct drm_connector *conn,
2430 struct drm_atomic_state *state)
2431 {
2432 struct drm_connector_state *new_conn_state =
2433 drm_atomic_get_new_connector_state(state, conn);
2434 struct drm_connector_state *old_conn_state =
2435 drm_atomic_get_old_connector_state(state, conn);
2436 struct intel_sdvo_connector_state *old_state =
2437 to_intel_sdvo_connector_state(old_conn_state);
2438 struct intel_sdvo_connector_state *new_state =
2439 to_intel_sdvo_connector_state(new_conn_state);
2440
2441 if (new_conn_state->crtc &&
2442 (memcmp(&old_state->tv, &new_state->tv, sizeof(old_state->tv)) ||
2443 memcmp(&old_conn_state->tv, &new_conn_state->tv, sizeof(old_conn_state->tv)))) {
2444 struct drm_crtc_state *crtc_state =
2445 drm_atomic_get_new_crtc_state(state,
2446 new_conn_state->crtc);
2447
2448 crtc_state->connectors_changed = true;
2449 }
2450
2451 return intel_digital_connector_atomic_check(conn, state);
2452 }
2453
2454 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2455 .get_modes = intel_sdvo_get_modes,
2456 .mode_valid = intel_sdvo_mode_valid,
2457 .atomic_check = intel_sdvo_atomic_check,
2458 };
2459
2460 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2461 {
2462 struct intel_sdvo *intel_sdvo = to_sdvo(to_intel_encoder(encoder));
2463
2464 i2c_del_adapter(&intel_sdvo->ddc);
2465 intel_encoder_destroy(encoder);
2466 }
2467
2468 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2469 .destroy = intel_sdvo_enc_destroy,
2470 };
2471
2472 static void
2473 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
2474 {
2475 u16 mask = 0;
2476 unsigned int num_bits;
2477
2478 /*
2479 * Make a mask of outputs less than or equal to our own priority in the
2480 * list.
2481 */
2482 switch (sdvo->controlled_output) {
2483 case SDVO_OUTPUT_LVDS1:
2484 mask |= SDVO_OUTPUT_LVDS1;
2485 /* fall through */
2486 case SDVO_OUTPUT_LVDS0:
2487 mask |= SDVO_OUTPUT_LVDS0;
2488 /* fall through */
2489 case SDVO_OUTPUT_TMDS1:
2490 mask |= SDVO_OUTPUT_TMDS1;
2491 /* fall through */
2492 case SDVO_OUTPUT_TMDS0:
2493 mask |= SDVO_OUTPUT_TMDS0;
2494 /* fall through */
2495 case SDVO_OUTPUT_RGB1:
2496 mask |= SDVO_OUTPUT_RGB1;
2497 /* fall through */
2498 case SDVO_OUTPUT_RGB0:
2499 mask |= SDVO_OUTPUT_RGB0;
2500 break;
2501 }
2502
2503 /* Count bits to find what number we are in the priority list. */
2504 mask &= sdvo->caps.output_flags;
2505 num_bits = hweight16(mask);
2506 /* If more than 3 outputs, default to DDC bus 3 for now. */
2507 if (num_bits > 3)
2508 num_bits = 3;
2509
2510 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2511 sdvo->ddc_bus = 1 << num_bits;
2512 }
2513
2514 /*
2515 * Choose the appropriate DDC bus for control bus switch command for this
2516 * SDVO output based on the controlled output.
2517 *
2518 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2519 * outputs, then LVDS outputs.
2520 */
2521 static void
2522 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2523 struct intel_sdvo *sdvo)
2524 {
2525 struct sdvo_device_mapping *mapping;
2526
2527 if (sdvo->port == PORT_B)
2528 mapping = &dev_priv->vbt.sdvo_mappings[0];
2529 else
2530 mapping = &dev_priv->vbt.sdvo_mappings[1];
2531
2532 if (mapping->initialized)
2533 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2534 else
2535 intel_sdvo_guess_ddc_bus(sdvo);
2536 }
2537
2538 static void
2539 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2540 struct intel_sdvo *sdvo)
2541 {
2542 struct sdvo_device_mapping *mapping;
2543 u8 pin;
2544
2545 if (sdvo->port == PORT_B)
2546 mapping = &dev_priv->vbt.sdvo_mappings[0];
2547 else
2548 mapping = &dev_priv->vbt.sdvo_mappings[1];
2549
2550 if (mapping->initialized &&
2551 intel_gmbus_is_valid_pin(dev_priv, mapping->i2c_pin))
2552 pin = mapping->i2c_pin;
2553 else
2554 pin = GMBUS_PIN_DPB;
2555
2556 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2557
2558 /*
2559 * With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2560 * our code totally fails once we start using gmbus. Hence fall back to
2561 * bit banging for now.
2562 */
2563 intel_gmbus_force_bit(sdvo->i2c, true);
2564 }
2565
2566 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2567 static void
2568 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2569 {
2570 intel_gmbus_force_bit(sdvo->i2c, false);
2571 }
2572
2573 static bool
2574 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2575 {
2576 return intel_sdvo_check_supp_encode(intel_sdvo);
2577 }
2578
2579 static u8
2580 intel_sdvo_get_slave_addr(struct drm_i915_private *dev_priv,
2581 struct intel_sdvo *sdvo)
2582 {
2583 struct sdvo_device_mapping *my_mapping, *other_mapping;
2584
2585 if (sdvo->port == PORT_B) {
2586 my_mapping = &dev_priv->vbt.sdvo_mappings[0];
2587 other_mapping = &dev_priv->vbt.sdvo_mappings[1];
2588 } else {
2589 my_mapping = &dev_priv->vbt.sdvo_mappings[1];
2590 other_mapping = &dev_priv->vbt.sdvo_mappings[0];
2591 }
2592
2593 /* If the BIOS described our SDVO device, take advantage of it. */
2594 if (my_mapping->slave_addr)
2595 return my_mapping->slave_addr;
2596
2597 /*
2598 * If the BIOS only described a different SDVO device, use the
2599 * address that it isn't using.
2600 */
2601 if (other_mapping->slave_addr) {
2602 if (other_mapping->slave_addr == 0x70)
2603 return 0x72;
2604 else
2605 return 0x70;
2606 }
2607
2608 /*
2609 * No SDVO device info is found for another DVO port,
2610 * so use mapping assumption we had before BIOS parsing.
2611 */
2612 if (sdvo->port == PORT_B)
2613 return 0x70;
2614 else
2615 return 0x72;
2616 }
2617
2618 static int
2619 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2620 struct intel_sdvo *encoder)
2621 {
2622 struct drm_connector *drm_connector;
2623 int ret;
2624
2625 drm_connector = &connector->base.base;
2626 ret = drm_connector_init(encoder->base.base.dev,
2627 drm_connector,
2628 &intel_sdvo_connector_funcs,
2629 connector->base.base.connector_type);
2630 if (ret < 0)
2631 return ret;
2632
2633 drm_connector_helper_add(drm_connector,
2634 &intel_sdvo_connector_helper_funcs);
2635
2636 connector->base.base.interlace_allowed = 1;
2637 connector->base.base.doublescan_allowed = 0;
2638 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2639 connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2640
2641 intel_connector_attach_encoder(&connector->base, &encoder->base);
2642
2643 return 0;
2644 }
2645
2646 static void
2647 intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
2648 struct intel_sdvo_connector *connector)
2649 {
2650 struct drm_i915_private *dev_priv = to_i915(connector->base.base.dev);
2651
2652 intel_attach_force_audio_property(&connector->base.base);
2653 if (INTEL_GEN(dev_priv) >= 4 && IS_MOBILE(dev_priv)) {
2654 intel_attach_broadcast_rgb_property(&connector->base.base);
2655 }
2656 intel_attach_aspect_ratio_property(&connector->base.base);
2657 }
2658
2659 static struct intel_sdvo_connector *intel_sdvo_connector_alloc(void)
2660 {
2661 struct intel_sdvo_connector *sdvo_connector;
2662 struct intel_sdvo_connector_state *conn_state;
2663
2664 sdvo_connector = kzalloc(sizeof(*sdvo_connector), GFP_KERNEL);
2665 if (!sdvo_connector)
2666 return NULL;
2667
2668 conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL);
2669 if (!conn_state) {
2670 kfree(sdvo_connector);
2671 return NULL;
2672 }
2673
2674 __drm_atomic_helper_connector_reset(&sdvo_connector->base.base,
2675 &conn_state->base.base);
2676
2677 return sdvo_connector;
2678 }
2679
2680 static bool
2681 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2682 {
2683 struct drm_encoder *encoder = &intel_sdvo->base.base;
2684 struct drm_connector *connector;
2685 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2686 struct intel_connector *intel_connector;
2687 struct intel_sdvo_connector *intel_sdvo_connector;
2688
2689 DRM_DEBUG_KMS("initialising DVI device %d\n", device);
2690
2691 intel_sdvo_connector = intel_sdvo_connector_alloc();
2692 if (!intel_sdvo_connector)
2693 return false;
2694
2695 if (device == 0) {
2696 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2697 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2698 } else if (device == 1) {
2699 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2700 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2701 }
2702
2703 intel_connector = &intel_sdvo_connector->base;
2704 connector = &intel_connector->base;
2705 if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2706 intel_sdvo_connector->output_flag) {
2707 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2708 /*
2709 * Some SDVO devices have one-shot hotplug interrupts.
2710 * Ensure that they get re-enabled when an interrupt happens.
2711 */
2712 intel_encoder->hotplug = intel_sdvo_hotplug;
2713 intel_sdvo_enable_hotplug(intel_encoder);
2714 } else {
2715 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2716 }
2717 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2718 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2719
2720 if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2721 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2722 intel_sdvo_connector->is_hdmi = true;
2723 }
2724
2725 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2726 kfree(intel_sdvo_connector);
2727 return false;
2728 }
2729
2730 if (intel_sdvo_connector->is_hdmi)
2731 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2732
2733 return true;
2734 }
2735
2736 static bool
2737 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2738 {
2739 struct drm_encoder *encoder = &intel_sdvo->base.base;
2740 struct drm_connector *connector;
2741 struct intel_connector *intel_connector;
2742 struct intel_sdvo_connector *intel_sdvo_connector;
2743
2744 DRM_DEBUG_KMS("initialising TV type %d\n", type);
2745
2746 intel_sdvo_connector = intel_sdvo_connector_alloc();
2747 if (!intel_sdvo_connector)
2748 return false;
2749
2750 intel_connector = &intel_sdvo_connector->base;
2751 connector = &intel_connector->base;
2752 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2753 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2754
2755 intel_sdvo->controlled_output |= type;
2756 intel_sdvo_connector->output_flag = type;
2757
2758 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2759 kfree(intel_sdvo_connector);
2760 return false;
2761 }
2762
2763 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2764 goto err;
2765
2766 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2767 goto err;
2768
2769 return true;
2770
2771 err:
2772 intel_connector_destroy(connector);
2773 return false;
2774 }
2775
2776 static bool
2777 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2778 {
2779 struct drm_encoder *encoder = &intel_sdvo->base.base;
2780 struct drm_connector *connector;
2781 struct intel_connector *intel_connector;
2782 struct intel_sdvo_connector *intel_sdvo_connector;
2783
2784 DRM_DEBUG_KMS("initialising analog device %d\n", device);
2785
2786 intel_sdvo_connector = intel_sdvo_connector_alloc();
2787 if (!intel_sdvo_connector)
2788 return false;
2789
2790 intel_connector = &intel_sdvo_connector->base;
2791 connector = &intel_connector->base;
2792 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2793 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2794 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2795
2796 if (device == 0) {
2797 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2798 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2799 } else if (device == 1) {
2800 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2801 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2802 }
2803
2804 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2805 kfree(intel_sdvo_connector);
2806 return false;
2807 }
2808
2809 return true;
2810 }
2811
2812 static bool
2813 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2814 {
2815 struct drm_encoder *encoder = &intel_sdvo->base.base;
2816 struct drm_connector *connector;
2817 struct intel_connector *intel_connector;
2818 struct intel_sdvo_connector *intel_sdvo_connector;
2819 struct drm_display_mode *mode;
2820
2821 DRM_DEBUG_KMS("initialising LVDS device %d\n", device);
2822
2823 intel_sdvo_connector = intel_sdvo_connector_alloc();
2824 if (!intel_sdvo_connector)
2825 return false;
2826
2827 intel_connector = &intel_sdvo_connector->base;
2828 connector = &intel_connector->base;
2829 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2830 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2831
2832 if (device == 0) {
2833 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2834 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2835 } else if (device == 1) {
2836 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2837 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2838 }
2839
2840 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2841 kfree(intel_sdvo_connector);
2842 return false;
2843 }
2844
2845 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2846 goto err;
2847
2848 intel_sdvo_get_lvds_modes(connector);
2849
2850 list_for_each_entry(mode, &connector->probed_modes, head) {
2851 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
2852 struct drm_display_mode *fixed_mode =
2853 drm_mode_duplicate(connector->dev, mode);
2854
2855 intel_panel_init(&intel_connector->panel,
2856 fixed_mode, NULL);
2857 break;
2858 }
2859 }
2860
2861 if (!intel_connector->panel.fixed_mode)
2862 goto err;
2863
2864 return true;
2865
2866 err:
2867 intel_connector_destroy(connector);
2868 return false;
2869 }
2870
2871 static bool
2872 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags)
2873 {
2874 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2875
2876 if (flags & SDVO_OUTPUT_TMDS0)
2877 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2878 return false;
2879
2880 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2881 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2882 return false;
2883
2884 /* TV has no XXX1 function block */
2885 if (flags & SDVO_OUTPUT_SVID0)
2886 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2887 return false;
2888
2889 if (flags & SDVO_OUTPUT_CVBS0)
2890 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2891 return false;
2892
2893 if (flags & SDVO_OUTPUT_YPRPB0)
2894 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2895 return false;
2896
2897 if (flags & SDVO_OUTPUT_RGB0)
2898 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2899 return false;
2900
2901 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2902 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2903 return false;
2904
2905 if (flags & SDVO_OUTPUT_LVDS0)
2906 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2907 return false;
2908
2909 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2910 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2911 return false;
2912
2913 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2914 unsigned char bytes[2];
2915
2916 intel_sdvo->controlled_output = 0;
2917 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2918 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2919 SDVO_NAME(intel_sdvo),
2920 bytes[0], bytes[1]);
2921 return false;
2922 }
2923 intel_sdvo->base.pipe_mask = ~0;
2924
2925 return true;
2926 }
2927
2928 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
2929 {
2930 struct drm_device *dev = intel_sdvo->base.base.dev;
2931 struct drm_connector *connector, *tmp;
2932
2933 list_for_each_entry_safe(connector, tmp,
2934 &dev->mode_config.connector_list, head) {
2935 if (intel_attached_encoder(to_intel_connector(connector)) == &intel_sdvo->base) {
2936 drm_connector_unregister(connector);
2937 intel_connector_destroy(connector);
2938 }
2939 }
2940 }
2941
2942 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2943 struct intel_sdvo_connector *intel_sdvo_connector,
2944 int type)
2945 {
2946 struct drm_device *dev = intel_sdvo->base.base.dev;
2947 struct intel_sdvo_tv_format format;
2948 u32 format_map, i;
2949
2950 if (!intel_sdvo_set_target_output(intel_sdvo, type))
2951 return false;
2952
2953 BUILD_BUG_ON(sizeof(format) != 6);
2954 if (!intel_sdvo_get_value(intel_sdvo,
2955 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2956 &format, sizeof(format)))
2957 return false;
2958
2959 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2960
2961 if (format_map == 0)
2962 return false;
2963
2964 intel_sdvo_connector->format_supported_num = 0;
2965 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2966 if (format_map & (1 << i))
2967 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2968
2969
2970 intel_sdvo_connector->tv_format =
2971 drm_property_create(dev, DRM_MODE_PROP_ENUM,
2972 "mode", intel_sdvo_connector->format_supported_num);
2973 if (!intel_sdvo_connector->tv_format)
2974 return false;
2975
2976 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2977 drm_property_add_enum(intel_sdvo_connector->tv_format, i,
2978 tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2979
2980 intel_sdvo_connector->base.base.state->tv.mode = intel_sdvo_connector->tv_format_supported[0];
2981 drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2982 intel_sdvo_connector->tv_format, 0);
2983 return true;
2984
2985 }
2986
2987 #define _ENHANCEMENT(state_assignment, name, NAME) do { \
2988 if (enhancements.name) { \
2989 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2990 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2991 return false; \
2992 intel_sdvo_connector->name = \
2993 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2994 if (!intel_sdvo_connector->name) return false; \
2995 state_assignment = response; \
2996 drm_object_attach_property(&connector->base, \
2997 intel_sdvo_connector->name, 0); \
2998 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2999 data_value[0], data_value[1], response); \
3000 } \
3001 } while (0)
3002
3003 #define ENHANCEMENT(state, name, NAME) _ENHANCEMENT((state)->name, name, NAME)
3004
3005 static bool
3006 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
3007 struct intel_sdvo_connector *intel_sdvo_connector,
3008 struct intel_sdvo_enhancements_reply enhancements)
3009 {
3010 struct drm_device *dev = intel_sdvo->base.base.dev;
3011 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3012 struct drm_connector_state *conn_state = connector->state;
3013 struct intel_sdvo_connector_state *sdvo_state =
3014 to_intel_sdvo_connector_state(conn_state);
3015 u16 response, data_value[2];
3016
3017 /* when horizontal overscan is supported, Add the left/right property */
3018 if (enhancements.overscan_h) {
3019 if (!intel_sdvo_get_value(intel_sdvo,
3020 SDVO_CMD_GET_MAX_OVERSCAN_H,
3021 &data_value, 4))
3022 return false;
3023
3024 if (!intel_sdvo_get_value(intel_sdvo,
3025 SDVO_CMD_GET_OVERSCAN_H,
3026 &response, 2))
3027 return false;
3028
3029 sdvo_state->tv.overscan_h = response;
3030
3031 intel_sdvo_connector->max_hscan = data_value[0];
3032 intel_sdvo_connector->left =
3033 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
3034 if (!intel_sdvo_connector->left)
3035 return false;
3036
3037 drm_object_attach_property(&connector->base,
3038 intel_sdvo_connector->left, 0);
3039
3040 intel_sdvo_connector->right =
3041 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
3042 if (!intel_sdvo_connector->right)
3043 return false;
3044
3045 drm_object_attach_property(&connector->base,
3046 intel_sdvo_connector->right, 0);
3047 DRM_DEBUG_KMS("h_overscan: max %d, "
3048 "default %d, current %d\n",
3049 data_value[0], data_value[1], response);
3050 }
3051
3052 if (enhancements.overscan_v) {
3053 if (!intel_sdvo_get_value(intel_sdvo,
3054 SDVO_CMD_GET_MAX_OVERSCAN_V,
3055 &data_value, 4))
3056 return false;
3057
3058 if (!intel_sdvo_get_value(intel_sdvo,
3059 SDVO_CMD_GET_OVERSCAN_V,
3060 &response, 2))
3061 return false;
3062
3063 sdvo_state->tv.overscan_v = response;
3064
3065 intel_sdvo_connector->max_vscan = data_value[0];
3066 intel_sdvo_connector->top =
3067 drm_property_create_range(dev, 0,
3068 "top_margin", 0, data_value[0]);
3069 if (!intel_sdvo_connector->top)
3070 return false;
3071
3072 drm_object_attach_property(&connector->base,
3073 intel_sdvo_connector->top, 0);
3074
3075 intel_sdvo_connector->bottom =
3076 drm_property_create_range(dev, 0,
3077 "bottom_margin", 0, data_value[0]);
3078 if (!intel_sdvo_connector->bottom)
3079 return false;
3080
3081 drm_object_attach_property(&connector->base,
3082 intel_sdvo_connector->bottom, 0);
3083 DRM_DEBUG_KMS("v_overscan: max %d, "
3084 "default %d, current %d\n",
3085 data_value[0], data_value[1], response);
3086 }
3087
3088 ENHANCEMENT(&sdvo_state->tv, hpos, HPOS);
3089 ENHANCEMENT(&sdvo_state->tv, vpos, VPOS);
3090 ENHANCEMENT(&conn_state->tv, saturation, SATURATION);
3091 ENHANCEMENT(&conn_state->tv, contrast, CONTRAST);
3092 ENHANCEMENT(&conn_state->tv, hue, HUE);
3093 ENHANCEMENT(&conn_state->tv, brightness, BRIGHTNESS);
3094 ENHANCEMENT(&sdvo_state->tv, sharpness, SHARPNESS);
3095 ENHANCEMENT(&sdvo_state->tv, flicker_filter, FLICKER_FILTER);
3096 ENHANCEMENT(&sdvo_state->tv, flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
3097 ENHANCEMENT(&sdvo_state->tv, flicker_filter_2d, FLICKER_FILTER_2D);
3098 _ENHANCEMENT(sdvo_state->tv.chroma_filter, tv_chroma_filter, TV_CHROMA_FILTER);
3099 _ENHANCEMENT(sdvo_state->tv.luma_filter, tv_luma_filter, TV_LUMA_FILTER);
3100
3101 if (enhancements.dot_crawl) {
3102 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
3103 return false;
3104
3105 sdvo_state->tv.dot_crawl = response & 0x1;
3106 intel_sdvo_connector->dot_crawl =
3107 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
3108 if (!intel_sdvo_connector->dot_crawl)
3109 return false;
3110
3111 drm_object_attach_property(&connector->base,
3112 intel_sdvo_connector->dot_crawl, 0);
3113 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
3114 }
3115
3116 return true;
3117 }
3118
3119 static bool
3120 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
3121 struct intel_sdvo_connector *intel_sdvo_connector,
3122 struct intel_sdvo_enhancements_reply enhancements)
3123 {
3124 struct drm_device *dev = intel_sdvo->base.base.dev;
3125 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3126 u16 response, data_value[2];
3127
3128 ENHANCEMENT(&connector->state->tv, brightness, BRIGHTNESS);
3129
3130 return true;
3131 }
3132 #undef ENHANCEMENT
3133 #undef _ENHANCEMENT
3134
3135 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
3136 struct intel_sdvo_connector *intel_sdvo_connector)
3137 {
3138 union {
3139 struct intel_sdvo_enhancements_reply reply;
3140 u16 response;
3141 } enhancements;
3142
3143 BUILD_BUG_ON(sizeof(enhancements) != 2);
3144
3145 if (!intel_sdvo_get_value(intel_sdvo,
3146 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
3147 &enhancements, sizeof(enhancements)) ||
3148 enhancements.response == 0) {
3149 DRM_DEBUG_KMS("No enhancement is supported\n");
3150 return true;
3151 }
3152
3153 if (IS_TV(intel_sdvo_connector))
3154 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3155 else if (IS_LVDS(intel_sdvo_connector))
3156 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3157 else
3158 return true;
3159 }
3160
3161 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
3162 struct i2c_msg *msgs,
3163 int num)
3164 {
3165 struct intel_sdvo *sdvo = adapter->algo_data;
3166
3167 if (!__intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
3168 return -EIO;
3169
3170 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
3171 }
3172
3173 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
3174 {
3175 struct intel_sdvo *sdvo = adapter->algo_data;
3176 return sdvo->i2c->algo->functionality(sdvo->i2c);
3177 }
3178
3179 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
3180 .master_xfer = intel_sdvo_ddc_proxy_xfer,
3181 .functionality = intel_sdvo_ddc_proxy_func
3182 };
3183
3184 static void proxy_lock_bus(struct i2c_adapter *adapter,
3185 unsigned int flags)
3186 {
3187 struct intel_sdvo *sdvo = adapter->algo_data;
3188 sdvo->i2c->lock_ops->lock_bus(sdvo->i2c, flags);
3189 }
3190
3191 static int proxy_trylock_bus(struct i2c_adapter *adapter,
3192 unsigned int flags)
3193 {
3194 struct intel_sdvo *sdvo = adapter->algo_data;
3195 return sdvo->i2c->lock_ops->trylock_bus(sdvo->i2c, flags);
3196 }
3197
3198 static void proxy_unlock_bus(struct i2c_adapter *adapter,
3199 unsigned int flags)
3200 {
3201 struct intel_sdvo *sdvo = adapter->algo_data;
3202 sdvo->i2c->lock_ops->unlock_bus(sdvo->i2c, flags);
3203 }
3204
3205 static const struct i2c_lock_operations proxy_lock_ops = {
3206 .lock_bus = proxy_lock_bus,
3207 .trylock_bus = proxy_trylock_bus,
3208 .unlock_bus = proxy_unlock_bus,
3209 };
3210
3211 static bool
3212 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
3213 struct drm_i915_private *dev_priv)
3214 {
3215 struct pci_dev *pdev = dev_priv->drm.pdev;
3216
3217 sdvo->ddc.owner = THIS_MODULE;
3218 sdvo->ddc.class = I2C_CLASS_DDC;
3219 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
3220 sdvo->ddc.dev.parent = &pdev->dev;
3221 sdvo->ddc.algo_data = sdvo;
3222 sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
3223 sdvo->ddc.lock_ops = &proxy_lock_ops;
3224
3225 return i2c_add_adapter(&sdvo->ddc) == 0;
3226 }
3227
3228 static void assert_sdvo_port_valid(const struct drm_i915_private *dev_priv,
3229 enum port port)
3230 {
3231 if (HAS_PCH_SPLIT(dev_priv))
3232 WARN_ON(port != PORT_B);
3233 else
3234 WARN_ON(port != PORT_B && port != PORT_C);
3235 }
3236
3237 bool intel_sdvo_init(struct drm_i915_private *dev_priv,
3238 i915_reg_t sdvo_reg, enum port port)
3239 {
3240 struct intel_encoder *intel_encoder;
3241 struct intel_sdvo *intel_sdvo;
3242 int i;
3243
3244 assert_sdvo_port_valid(dev_priv, port);
3245
3246 intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL);
3247 if (!intel_sdvo)
3248 return false;
3249
3250 intel_sdvo->sdvo_reg = sdvo_reg;
3251 intel_sdvo->port = port;
3252 intel_sdvo->slave_addr =
3253 intel_sdvo_get_slave_addr(dev_priv, intel_sdvo) >> 1;
3254 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo);
3255 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev_priv))
3256 goto err_i2c_bus;
3257
3258 /* encoder type will be decided later */
3259 intel_encoder = &intel_sdvo->base;
3260 intel_encoder->type = INTEL_OUTPUT_SDVO;
3261 intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER;
3262 intel_encoder->port = port;
3263 drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
3264 &intel_sdvo_enc_funcs, 0,
3265 "SDVO %c", port_name(port));
3266
3267 /* Read the regs to test if we can talk to the device */
3268 for (i = 0; i < 0x40; i++) {
3269 u8 byte;
3270
3271 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
3272 DRM_DEBUG_KMS("No SDVO device found on %s\n",
3273 SDVO_NAME(intel_sdvo));
3274 goto err;
3275 }
3276 }
3277
3278 intel_encoder->compute_config = intel_sdvo_compute_config;
3279 if (HAS_PCH_SPLIT(dev_priv)) {
3280 intel_encoder->disable = pch_disable_sdvo;
3281 intel_encoder->post_disable = pch_post_disable_sdvo;
3282 } else {
3283 intel_encoder->disable = intel_disable_sdvo;
3284 }
3285 intel_encoder->pre_enable = intel_sdvo_pre_enable;
3286 intel_encoder->enable = intel_enable_sdvo;
3287 intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
3288 intel_encoder->get_config = intel_sdvo_get_config;
3289
3290 /* In default case sdvo lvds is false */
3291 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
3292 goto err;
3293
3294 if (intel_sdvo_output_setup(intel_sdvo,
3295 intel_sdvo->caps.output_flags) != true) {
3296 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
3297 SDVO_NAME(intel_sdvo));
3298 /* Output_setup can leave behind connectors! */
3299 goto err_output;
3300 }
3301
3302 /*
3303 * Only enable the hotplug irq if we need it, to work around noisy
3304 * hotplug lines.
3305 */
3306 if (intel_sdvo->hotplug_active) {
3307 if (intel_sdvo->port == PORT_B)
3308 intel_encoder->hpd_pin = HPD_SDVO_B;
3309 else
3310 intel_encoder->hpd_pin = HPD_SDVO_C;
3311 }
3312
3313 /*
3314 * Cloning SDVO with anything is often impossible, since the SDVO
3315 * encoder can request a special input timing mode. And even if that's
3316 * not the case we have evidence that cloning a plain unscaled mode with
3317 * VGA doesn't really work. Furthermore the cloning flags are way too
3318 * simplistic anyway to express such constraints, so just give up on
3319 * cloning for SDVO encoders.
3320 */
3321 intel_sdvo->base.cloneable = 0;
3322
3323 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo);
3324
3325 /* Set the input timing to the screen. Assume always input 0. */
3326 if (!intel_sdvo_set_target_input(intel_sdvo))
3327 goto err_output;
3328
3329 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
3330 &intel_sdvo->pixel_clock_min,
3331 &intel_sdvo->pixel_clock_max))
3332 goto err_output;
3333
3334 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
3335 "clock range %dMHz - %dMHz, "
3336 "input 1: %c, input 2: %c, "
3337 "output 1: %c, output 2: %c\n",
3338 SDVO_NAME(intel_sdvo),
3339 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
3340 intel_sdvo->caps.device_rev_id,
3341 intel_sdvo->pixel_clock_min / 1000,
3342 intel_sdvo->pixel_clock_max / 1000,
3343 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
3344 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
3345 /* check currently supported outputs */
3346 intel_sdvo->caps.output_flags &
3347 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
3348 intel_sdvo->caps.output_flags &
3349 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
3350 return true;
3351
3352 err_output:
3353 intel_sdvo_output_cleanup(intel_sdvo);
3354
3355 err:
3356 drm_encoder_cleanup(&intel_encoder->base);
3357 i2c_del_adapter(&intel_sdvo->ddc);
3358 err_i2c_bus:
3359 intel_sdvo_unselect_i2c_bus(intel_sdvo);
3360 kfree(intel_sdvo);
3361
3362 return false;
3363 }
Linux with added FPC-III support