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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/display/drm_hdmi_helper.h>
35#include <drm/drm_atomic_helper.h>
36#include <drm/drm_crtc.h>
37#include <drm/drm_edid.h>
38#include <drm/drm_eld.h>
39#include <drm/drm_probe_helper.h>
40
41#include "i915_drv.h"
42#include "i915_reg.h"
43#include "intel_atomic.h"
44#include "intel_audio.h"
45#include "intel_connector.h"
46#include "intel_crtc.h"
47#include "intel_de.h"
48#include "intel_display_driver.h"
49#include "intel_display_types.h"
50#include "intel_fdi.h"
51#include "intel_fifo_underrun.h"
52#include "intel_gmbus.h"
53#include "intel_hdmi.h"
54#include "intel_hotplug.h"
55#include "intel_panel.h"
56#include "intel_sdvo.h"
57#include "intel_sdvo_regs.h"
58
59#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
60#define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
61#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
62#define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
63
64#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK | SDVO_TV_MASK)
65
66#define IS_TV(c) ((c)->output_flag & SDVO_TV_MASK)
67#define IS_TMDS(c) ((c)->output_flag & SDVO_TMDS_MASK)
68#define IS_LVDS(c) ((c)->output_flag & SDVO_LVDS_MASK)
69#define IS_TV_OR_LVDS(c) ((c)->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
70#define IS_DIGITAL(c) ((c)->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
71
72#define HAS_DDC(c) ((c)->output_flag & (SDVO_RGB_MASK | SDVO_TMDS_MASK | \
73 SDVO_LVDS_MASK))
74
75static const char * const tv_format_names[] = {
76 "NTSC_M" , "NTSC_J" , "NTSC_443",
77 "PAL_B" , "PAL_D" , "PAL_G" ,
78 "PAL_H" , "PAL_I" , "PAL_M" ,
79 "PAL_N" , "PAL_NC" , "PAL_60" ,
80 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
81 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
82 "SECAM_60"
83};
84
85#define TV_FORMAT_NUM ARRAY_SIZE(tv_format_names)
86
87struct intel_sdvo;
88
89struct intel_sdvo_ddc {
90 struct i2c_adapter ddc;
91 struct intel_sdvo *sdvo;
92 u8 ddc_bus;
93};
94
95struct intel_sdvo {
96 struct intel_encoder base;
97
98 struct i2c_adapter *i2c;
99 u8 target_addr;
100
101 struct intel_sdvo_ddc ddc[3];
102
103 /* Register for the SDVO device: SDVOB or SDVOC */
104 i915_reg_t sdvo_reg;
105
106 /*
107 * Capabilities of the SDVO device returned by
108 * intel_sdvo_get_capabilities()
109 */
110 struct intel_sdvo_caps caps;
111
112 u8 colorimetry_cap;
113
114 /* Pixel clock limitations reported by the SDVO device, in kHz */
115 int pixel_clock_min, pixel_clock_max;
116
117 /*
118 * Hotplug activation bits for this device
119 */
120 u16 hotplug_active;
121
122 /*
123 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
124 */
125 u8 dtd_sdvo_flags;
126};
127
128struct intel_sdvo_connector {
129 struct intel_connector base;
130
131 /* Mark the type of connector */
132 u16 output_flag;
133
134 /* This contains all current supported TV format */
135 u8 tv_format_supported[TV_FORMAT_NUM];
136 int format_supported_num;
137 struct drm_property *tv_format;
138
139 /* add the property for the SDVO-TV */
140 struct drm_property *left;
141 struct drm_property *right;
142 struct drm_property *top;
143 struct drm_property *bottom;
144 struct drm_property *hpos;
145 struct drm_property *vpos;
146 struct drm_property *contrast;
147 struct drm_property *saturation;
148 struct drm_property *hue;
149 struct drm_property *sharpness;
150 struct drm_property *flicker_filter;
151 struct drm_property *flicker_filter_adaptive;
152 struct drm_property *flicker_filter_2d;
153 struct drm_property *tv_chroma_filter;
154 struct drm_property *tv_luma_filter;
155 struct drm_property *dot_crawl;
156
157 /* add the property for the SDVO-TV/LVDS */
158 struct drm_property *brightness;
159
160 /* this is to get the range of margin.*/
161 u32 max_hscan, max_vscan;
162
163 /**
164 * This is set if we treat the device as HDMI, instead of DVI.
165 */
166 bool is_hdmi;
167};
168
169struct intel_sdvo_connector_state {
170 /* base.base: tv.saturation/contrast/hue/brightness */
171 struct intel_digital_connector_state base;
172
173 struct {
174 unsigned overscan_h, overscan_v, hpos, vpos, sharpness;
175 unsigned flicker_filter, flicker_filter_2d, flicker_filter_adaptive;
176 unsigned chroma_filter, luma_filter, dot_crawl;
177 } tv;
178};
179
180static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder)
181{
182 return container_of(encoder, struct intel_sdvo, base);
183}
184
185static struct intel_sdvo *intel_attached_sdvo(struct intel_connector *connector)
186{
187 return to_sdvo(intel_attached_encoder(connector));
188}
189
190static struct intel_sdvo_connector *
191to_intel_sdvo_connector(struct drm_connector *connector)
192{
193 return container_of(connector, struct intel_sdvo_connector, base.base);
194}
195
196#define to_intel_sdvo_connector_state(conn_state) \
197 container_of_const((conn_state), struct intel_sdvo_connector_state, base.base)
198
199static bool
200intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo);
201static bool
202intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
203 struct intel_sdvo_connector *intel_sdvo_connector,
204 int type);
205static bool
206intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
207 struct intel_sdvo_connector *intel_sdvo_connector);
208
209/*
210 * Writes the SDVOB or SDVOC with the given value, but always writes both
211 * SDVOB and SDVOC to work around apparent hardware issues (according to
212 * comments in the BIOS).
213 */
214static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
215{
216 struct drm_device *dev = intel_sdvo->base.base.dev;
217 struct drm_i915_private *dev_priv = to_i915(dev);
218 u32 bval = val, cval = val;
219 int i;
220
221 if (HAS_PCH_SPLIT(dev_priv)) {
222 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val);
223 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg);
224 /*
225 * HW workaround, need to write this twice for issue
226 * that may result in first write getting masked.
227 */
228 if (HAS_PCH_IBX(dev_priv)) {
229 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val);
230 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg);
231 }
232 return;
233 }
234
235 if (intel_sdvo->base.port == PORT_B)
236 cval = intel_de_read(dev_priv, GEN3_SDVOC);
237 else
238 bval = intel_de_read(dev_priv, GEN3_SDVOB);
239
240 /*
241 * Write the registers twice for luck. Sometimes,
242 * writing them only once doesn't appear to 'stick'.
243 * The BIOS does this too. Yay, magic
244 */
245 for (i = 0; i < 2; i++) {
246 intel_de_write(dev_priv, GEN3_SDVOB, bval);
247 intel_de_posting_read(dev_priv, GEN3_SDVOB);
248
249 intel_de_write(dev_priv, GEN3_SDVOC, cval);
250 intel_de_posting_read(dev_priv, GEN3_SDVOC);
251 }
252}
253
254static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
255{
256 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
257 struct i2c_msg msgs[] = {
258 {
259 .addr = intel_sdvo->target_addr,
260 .flags = 0,
261 .len = 1,
262 .buf = &addr,
263 },
264 {
265 .addr = intel_sdvo->target_addr,
266 .flags = I2C_M_RD,
267 .len = 1,
268 .buf = ch,
269 }
270 };
271 int ret;
272
273 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
274 return true;
275
276 drm_dbg_kms(&i915->drm, "i2c transfer returned %d\n", ret);
277 return false;
278}
279
280#define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ }
281
282/** Mapping of command numbers to names, for debug output */
283static const struct {
284 u8 cmd;
285 const char *name;
286} __packed sdvo_cmd_names[] = {
287 SDVO_CMD_NAME_ENTRY(RESET),
288 SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS),
289 SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV),
290 SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS),
291 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS),
292 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS),
293 SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP),
294 SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP),
295 SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS),
296 SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT),
297 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG),
298 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG),
299 SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE),
300 SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT),
301 SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT),
302 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1),
303 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2),
304 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1),
305 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2),
306 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1),
307 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2),
308 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1),
309 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2),
310 SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING),
311 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1),
312 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2),
313 SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE),
314 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE),
315 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS),
316 SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT),
317 SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT),
318 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS),
319 SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT),
320 SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT),
321 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES),
322 SDVO_CMD_NAME_ENTRY(GET_POWER_STATE),
323 SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE),
324 SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE),
325 SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH),
326 SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT),
327 SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT),
328 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS),
329
330 /* Add the op code for SDVO enhancements */
331 SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS),
332 SDVO_CMD_NAME_ENTRY(GET_HPOS),
333 SDVO_CMD_NAME_ENTRY(SET_HPOS),
334 SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS),
335 SDVO_CMD_NAME_ENTRY(GET_VPOS),
336 SDVO_CMD_NAME_ENTRY(SET_VPOS),
337 SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION),
338 SDVO_CMD_NAME_ENTRY(GET_SATURATION),
339 SDVO_CMD_NAME_ENTRY(SET_SATURATION),
340 SDVO_CMD_NAME_ENTRY(GET_MAX_HUE),
341 SDVO_CMD_NAME_ENTRY(GET_HUE),
342 SDVO_CMD_NAME_ENTRY(SET_HUE),
343 SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST),
344 SDVO_CMD_NAME_ENTRY(GET_CONTRAST),
345 SDVO_CMD_NAME_ENTRY(SET_CONTRAST),
346 SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS),
347 SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS),
348 SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS),
349 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H),
350 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H),
351 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H),
352 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V),
353 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V),
354 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V),
355 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER),
356 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER),
357 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER),
358 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE),
359 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE),
360 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE),
361 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D),
362 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D),
363 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D),
364 SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS),
365 SDVO_CMD_NAME_ENTRY(GET_SHARPNESS),
366 SDVO_CMD_NAME_ENTRY(SET_SHARPNESS),
367 SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL),
368 SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL),
369 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER),
370 SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER),
371 SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER),
372 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER),
373 SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER),
374 SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER),
375
376 /* HDMI op code */
377 SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE),
378 SDVO_CMD_NAME_ENTRY(GET_ENCODE),
379 SDVO_CMD_NAME_ENTRY(SET_ENCODE),
380 SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI),
381 SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI),
382 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP),
383 SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY),
384 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY),
385 SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER),
386 SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT),
387 SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT),
388 SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX),
389 SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX),
390 SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO),
391 SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT),
392 SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT),
393 SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE),
394 SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE),
395 SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA),
396 SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA),
397};
398
399#undef SDVO_CMD_NAME_ENTRY
400
401static const char *sdvo_cmd_name(u8 cmd)
402{
403 int i;
404
405 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
406 if (cmd == sdvo_cmd_names[i].cmd)
407 return sdvo_cmd_names[i].name;
408 }
409
410 return NULL;
411}
412
413#define SDVO_NAME(svdo) ((svdo)->base.port == PORT_B ? "SDVOB" : "SDVOC")
414
415static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
416 const void *args, int args_len)
417{
418 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
419 const char *cmd_name;
420 int i, pos = 0;
421 char buffer[64];
422
423#define BUF_PRINT(args...) \
424 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args)
425
426 for (i = 0; i < args_len; i++) {
427 BUF_PRINT("%02X ", ((u8 *)args)[i]);
428 }
429 for (; i < 8; i++) {
430 BUF_PRINT(" ");
431 }
432
433 cmd_name = sdvo_cmd_name(cmd);
434 if (cmd_name)
435 BUF_PRINT("(%s)", cmd_name);
436 else
437 BUF_PRINT("(%02X)", cmd);
438
439 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
440#undef BUF_PRINT
441
442 drm_dbg_kms(&dev_priv->drm, "%s: W: %02X %s\n", SDVO_NAME(intel_sdvo),
443 cmd, buffer);
444}
445
446static const char * const cmd_status_names[] = {
447 [SDVO_CMD_STATUS_POWER_ON] = "Power on",
448 [SDVO_CMD_STATUS_SUCCESS] = "Success",
449 [SDVO_CMD_STATUS_NOTSUPP] = "Not supported",
450 [SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg",
451 [SDVO_CMD_STATUS_PENDING] = "Pending",
452 [SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified",
453 [SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported",
454};
455
456static const char *sdvo_cmd_status(u8 status)
457{
458 if (status < ARRAY_SIZE(cmd_status_names))
459 return cmd_status_names[status];
460 else
461 return NULL;
462}
463
464static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
465 const void *args, int args_len,
466 bool unlocked)
467{
468 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
469 u8 *buf, status;
470 struct i2c_msg *msgs;
471 int i, ret = true;
472
473 /* Would be simpler to allocate both in one go ? */
474 buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
475 if (!buf)
476 return false;
477
478 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
479 if (!msgs) {
480 kfree(buf);
481 return false;
482 }
483
484 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
485
486 for (i = 0; i < args_len; i++) {
487 msgs[i].addr = intel_sdvo->target_addr;
488 msgs[i].flags = 0;
489 msgs[i].len = 2;
490 msgs[i].buf = buf + 2 *i;
491 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
492 buf[2*i + 1] = ((u8*)args)[i];
493 }
494 msgs[i].addr = intel_sdvo->target_addr;
495 msgs[i].flags = 0;
496 msgs[i].len = 2;
497 msgs[i].buf = buf + 2*i;
498 buf[2*i + 0] = SDVO_I2C_OPCODE;
499 buf[2*i + 1] = cmd;
500
501 /* the following two are to read the response */
502 status = SDVO_I2C_CMD_STATUS;
503 msgs[i+1].addr = intel_sdvo->target_addr;
504 msgs[i+1].flags = 0;
505 msgs[i+1].len = 1;
506 msgs[i+1].buf = &status;
507
508 msgs[i+2].addr = intel_sdvo->target_addr;
509 msgs[i+2].flags = I2C_M_RD;
510 msgs[i+2].len = 1;
511 msgs[i+2].buf = &status;
512
513 if (unlocked)
514 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
515 else
516 ret = __i2c_transfer(intel_sdvo->i2c, msgs, i+3);
517 if (ret < 0) {
518 drm_dbg_kms(&i915->drm, "I2c transfer returned %d\n", ret);
519 ret = false;
520 goto out;
521 }
522 if (ret != i+3) {
523 /* failure in I2C transfer */
524 drm_dbg_kms(&i915->drm, "I2c transfer returned %d/%d\n", ret, i+3);
525 ret = false;
526 }
527
528out:
529 kfree(msgs);
530 kfree(buf);
531 return ret;
532}
533
534static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
535 const void *args, int args_len)
536{
537 return __intel_sdvo_write_cmd(intel_sdvo, cmd, args, args_len, true);
538}
539
540static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
541 void *response, int response_len)
542{
543 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
544 const char *cmd_status;
545 u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
546 u8 status;
547 int i, pos = 0;
548 char buffer[64];
549
550 buffer[0] = '\0';
551
552 /*
553 * The documentation states that all commands will be
554 * processed within 15µs, and that we need only poll
555 * the status byte a maximum of 3 times in order for the
556 * command to be complete.
557 *
558 * Check 5 times in case the hardware failed to read the docs.
559 *
560 * Also beware that the first response by many devices is to
561 * reply PENDING and stall for time. TVs are notorious for
562 * requiring longer than specified to complete their replies.
563 * Originally (in the DDX long ago), the delay was only ever 15ms
564 * with an additional delay of 30ms applied for TVs added later after
565 * many experiments. To accommodate both sets of delays, we do a
566 * sequence of slow checks if the device is falling behind and fails
567 * to reply within 5*15µs.
568 */
569 if (!intel_sdvo_read_byte(intel_sdvo,
570 SDVO_I2C_CMD_STATUS,
571 &status))
572 goto log_fail;
573
574 while ((status == SDVO_CMD_STATUS_PENDING ||
575 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) {
576 if (retry < 10)
577 msleep(15);
578 else
579 udelay(15);
580
581 if (!intel_sdvo_read_byte(intel_sdvo,
582 SDVO_I2C_CMD_STATUS,
583 &status))
584 goto log_fail;
585 }
586
587#define BUF_PRINT(args...) \
588 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args)
589
590 cmd_status = sdvo_cmd_status(status);
591 if (cmd_status)
592 BUF_PRINT("(%s)", cmd_status);
593 else
594 BUF_PRINT("(??? %d)", status);
595
596 if (status != SDVO_CMD_STATUS_SUCCESS)
597 goto log_fail;
598
599 /* Read the command response */
600 for (i = 0; i < response_len; i++) {
601 if (!intel_sdvo_read_byte(intel_sdvo,
602 SDVO_I2C_RETURN_0 + i,
603 &((u8 *)response)[i]))
604 goto log_fail;
605 BUF_PRINT(" %02X", ((u8 *)response)[i]);
606 }
607
608 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
609#undef BUF_PRINT
610
611 drm_dbg_kms(&dev_priv->drm, "%s: R: %s\n",
612 SDVO_NAME(intel_sdvo), buffer);
613 return true;
614
615log_fail:
616 drm_dbg_kms(&dev_priv->drm, "%s: R: ... failed %s\n",
617 SDVO_NAME(intel_sdvo), buffer);
618 return false;
619}
620
621static int intel_sdvo_get_pixel_multiplier(const struct drm_display_mode *adjusted_mode)
622{
623 if (adjusted_mode->crtc_clock >= 100000)
624 return 1;
625 else if (adjusted_mode->crtc_clock >= 50000)
626 return 2;
627 else
628 return 4;
629}
630
631static bool __intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
632 u8 ddc_bus)
633{
634 /* This must be the immediately preceding write before the i2c xfer */
635 return __intel_sdvo_write_cmd(intel_sdvo,
636 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
637 &ddc_bus, 1, false);
638}
639
640static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
641{
642 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
643 return false;
644
645 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
646}
647
648static bool
649intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
650{
651 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
652 return false;
653
654 return intel_sdvo_read_response(intel_sdvo, value, len);
655}
656
657static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
658{
659 struct intel_sdvo_set_target_input_args targets = {};
660 return intel_sdvo_set_value(intel_sdvo,
661 SDVO_CMD_SET_TARGET_INPUT,
662 &targets, sizeof(targets));
663}
664
665/*
666 * Return whether each input is trained.
667 *
668 * This function is making an assumption about the layout of the response,
669 * which should be checked against the docs.
670 */
671static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
672{
673 struct intel_sdvo_get_trained_inputs_response response;
674
675 BUILD_BUG_ON(sizeof(response) != 1);
676 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
677 &response, sizeof(response)))
678 return false;
679
680 *input_1 = response.input0_trained;
681 *input_2 = response.input1_trained;
682 return true;
683}
684
685static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
686 u16 outputs)
687{
688 return intel_sdvo_set_value(intel_sdvo,
689 SDVO_CMD_SET_ACTIVE_OUTPUTS,
690 &outputs, sizeof(outputs));
691}
692
693static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
694 u16 *outputs)
695{
696 return intel_sdvo_get_value(intel_sdvo,
697 SDVO_CMD_GET_ACTIVE_OUTPUTS,
698 outputs, sizeof(*outputs));
699}
700
701static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
702 int mode)
703{
704 u8 state = SDVO_ENCODER_STATE_ON;
705
706 switch (mode) {
707 case DRM_MODE_DPMS_ON:
708 state = SDVO_ENCODER_STATE_ON;
709 break;
710 case DRM_MODE_DPMS_STANDBY:
711 state = SDVO_ENCODER_STATE_STANDBY;
712 break;
713 case DRM_MODE_DPMS_SUSPEND:
714 state = SDVO_ENCODER_STATE_SUSPEND;
715 break;
716 case DRM_MODE_DPMS_OFF:
717 state = SDVO_ENCODER_STATE_OFF;
718 break;
719 }
720
721 return intel_sdvo_set_value(intel_sdvo,
722 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
723}
724
725static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
726 int *clock_min,
727 int *clock_max)
728{
729 struct intel_sdvo_pixel_clock_range clocks;
730
731 BUILD_BUG_ON(sizeof(clocks) != 4);
732 if (!intel_sdvo_get_value(intel_sdvo,
733 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
734 &clocks, sizeof(clocks)))
735 return false;
736
737 /* Convert the values from units of 10 kHz to kHz. */
738 *clock_min = clocks.min * 10;
739 *clock_max = clocks.max * 10;
740 return true;
741}
742
743static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
744 u16 outputs)
745{
746 return intel_sdvo_set_value(intel_sdvo,
747 SDVO_CMD_SET_TARGET_OUTPUT,
748 &outputs, sizeof(outputs));
749}
750
751static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
752 struct intel_sdvo_dtd *dtd)
753{
754 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
755 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
756}
757
758static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
759 struct intel_sdvo_dtd *dtd)
760{
761 return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
762 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
763}
764
765static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
766 struct intel_sdvo_dtd *dtd)
767{
768 return intel_sdvo_set_timing(intel_sdvo,
769 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
770}
771
772static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
773 struct intel_sdvo_dtd *dtd)
774{
775 return intel_sdvo_set_timing(intel_sdvo,
776 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
777}
778
779static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
780 struct intel_sdvo_dtd *dtd)
781{
782 return intel_sdvo_get_timing(intel_sdvo,
783 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
784}
785
786static bool
787intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
788 struct intel_sdvo_connector *intel_sdvo_connector,
789 const struct drm_display_mode *mode)
790{
791 struct intel_sdvo_preferred_input_timing_args args;
792
793 memset(&args, 0, sizeof(args));
794 args.clock = mode->clock / 10;
795 args.width = mode->hdisplay;
796 args.height = mode->vdisplay;
797 args.interlace = 0;
798
799 if (IS_LVDS(intel_sdvo_connector)) {
800 const struct drm_display_mode *fixed_mode =
801 intel_panel_fixed_mode(&intel_sdvo_connector->base, mode);
802
803 if (fixed_mode->hdisplay != args.width ||
804 fixed_mode->vdisplay != args.height)
805 args.scaled = 1;
806 }
807
808 return intel_sdvo_set_value(intel_sdvo,
809 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
810 &args, sizeof(args));
811}
812
813static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
814 struct intel_sdvo_dtd *dtd)
815{
816 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
817 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
818 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
819 &dtd->part1, sizeof(dtd->part1)) &&
820 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
821 &dtd->part2, sizeof(dtd->part2));
822}
823
824static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
825{
826 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
827}
828
829static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
830 const struct drm_display_mode *mode)
831{
832 u16 width, height;
833 u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
834 u16 h_sync_offset, v_sync_offset;
835 int mode_clock;
836
837 memset(dtd, 0, sizeof(*dtd));
838
839 width = mode->hdisplay;
840 height = mode->vdisplay;
841
842 /* do some mode translations */
843 h_blank_len = mode->htotal - mode->hdisplay;
844 h_sync_len = mode->hsync_end - mode->hsync_start;
845
846 v_blank_len = mode->vtotal - mode->vdisplay;
847 v_sync_len = mode->vsync_end - mode->vsync_start;
848
849 h_sync_offset = mode->hsync_start - mode->hdisplay;
850 v_sync_offset = mode->vsync_start - mode->vdisplay;
851
852 mode_clock = mode->clock;
853 mode_clock /= 10;
854 dtd->part1.clock = mode_clock;
855
856 dtd->part1.h_active = width & 0xff;
857 dtd->part1.h_blank = h_blank_len & 0xff;
858 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
859 ((h_blank_len >> 8) & 0xf);
860 dtd->part1.v_active = height & 0xff;
861 dtd->part1.v_blank = v_blank_len & 0xff;
862 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
863 ((v_blank_len >> 8) & 0xf);
864
865 dtd->part2.h_sync_off = h_sync_offset & 0xff;
866 dtd->part2.h_sync_width = h_sync_len & 0xff;
867 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
868 (v_sync_len & 0xf);
869 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
870 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
871 ((v_sync_len & 0x30) >> 4);
872
873 dtd->part2.dtd_flags = 0x18;
874 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
875 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
876 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
877 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
878 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
879 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
880
881 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
882}
883
884static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode,
885 const struct intel_sdvo_dtd *dtd)
886{
887 struct drm_display_mode mode = {};
888
889 mode.hdisplay = dtd->part1.h_active;
890 mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
891 mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off;
892 mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
893 mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width;
894 mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
895 mode.htotal = mode.hdisplay + dtd->part1.h_blank;
896 mode.htotal += (dtd->part1.h_high & 0xf) << 8;
897
898 mode.vdisplay = dtd->part1.v_active;
899 mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
900 mode.vsync_start = mode.vdisplay;
901 mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
902 mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
903 mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0;
904 mode.vsync_end = mode.vsync_start +
905 (dtd->part2.v_sync_off_width & 0xf);
906 mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
907 mode.vtotal = mode.vdisplay + dtd->part1.v_blank;
908 mode.vtotal += (dtd->part1.v_high & 0xf) << 8;
909
910 mode.clock = dtd->part1.clock * 10;
911
912 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
913 mode.flags |= DRM_MODE_FLAG_INTERLACE;
914 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
915 mode.flags |= DRM_MODE_FLAG_PHSYNC;
916 else
917 mode.flags |= DRM_MODE_FLAG_NHSYNC;
918 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
919 mode.flags |= DRM_MODE_FLAG_PVSYNC;
920 else
921 mode.flags |= DRM_MODE_FLAG_NVSYNC;
922
923 drm_mode_set_crtcinfo(&mode, 0);
924
925 drm_mode_copy(pmode, &mode);
926}
927
928static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
929{
930 struct intel_sdvo_encode encode;
931
932 BUILD_BUG_ON(sizeof(encode) != 2);
933 return intel_sdvo_get_value(intel_sdvo,
934 SDVO_CMD_GET_SUPP_ENCODE,
935 &encode, sizeof(encode));
936}
937
938static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
939 u8 mode)
940{
941 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
942}
943
944static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
945 u8 mode)
946{
947 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
948}
949
950static bool intel_sdvo_set_pixel_replication(struct intel_sdvo *intel_sdvo,
951 u8 pixel_repeat)
952{
953 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_PIXEL_REPLI,
954 &pixel_repeat, 1);
955}
956
957static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo,
958 u8 audio_state)
959{
960 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_AUDIO_STAT,
961 &audio_state, 1);
962}
963
964static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo,
965 u8 *hbuf_size)
966{
967 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
968 hbuf_size, 1))
969 return false;
970
971 /* Buffer size is 0 based, hooray! However zero means zero. */
972 if (*hbuf_size)
973 (*hbuf_size)++;
974
975 return true;
976}
977
978#if 0
979static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
980{
981 int i, j;
982 u8 set_buf_index[2];
983 u8 av_split;
984 u8 buf_size;
985 u8 buf[48];
986 u8 *pos;
987
988 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
989
990 for (i = 0; i <= av_split; i++) {
991 set_buf_index[0] = i; set_buf_index[1] = 0;
992 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
993 set_buf_index, 2);
994 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
995 intel_sdvo_read_response(encoder, &buf_size, 1);
996
997 pos = buf;
998 for (j = 0; j <= buf_size; j += 8) {
999 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
1000 NULL, 0);
1001 intel_sdvo_read_response(encoder, pos, 8);
1002 pos += 8;
1003 }
1004 }
1005}
1006#endif
1007
1008static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
1009 unsigned int if_index, u8 tx_rate,
1010 const u8 *data, unsigned int length)
1011{
1012 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
1013 u8 set_buf_index[2] = { if_index, 0 };
1014 u8 hbuf_size, tmp[8];
1015 int i;
1016
1017 if (!intel_sdvo_set_value(intel_sdvo,
1018 SDVO_CMD_SET_HBUF_INDEX,
1019 set_buf_index, 2))
1020 return false;
1021
1022 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1023 return false;
1024
1025 drm_dbg_kms(&i915->drm,
1026 "writing sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1027 if_index, length, hbuf_size);
1028
1029 if (hbuf_size < length)
1030 return false;
1031
1032 for (i = 0; i < hbuf_size; i += 8) {
1033 memset(tmp, 0, 8);
1034 if (i < length)
1035 memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
1036
1037 if (!intel_sdvo_set_value(intel_sdvo,
1038 SDVO_CMD_SET_HBUF_DATA,
1039 tmp, 8))
1040 return false;
1041 }
1042
1043 return intel_sdvo_set_value(intel_sdvo,
1044 SDVO_CMD_SET_HBUF_TXRATE,
1045 &tx_rate, 1);
1046}
1047
1048static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo,
1049 unsigned int if_index,
1050 u8 *data, unsigned int length)
1051{
1052 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
1053 u8 set_buf_index[2] = { if_index, 0 };
1054 u8 hbuf_size, tx_rate, av_split;
1055 int i;
1056
1057 if (!intel_sdvo_get_value(intel_sdvo,
1058 SDVO_CMD_GET_HBUF_AV_SPLIT,
1059 &av_split, 1))
1060 return -ENXIO;
1061
1062 if (av_split < if_index)
1063 return 0;
1064
1065 if (!intel_sdvo_set_value(intel_sdvo,
1066 SDVO_CMD_SET_HBUF_INDEX,
1067 set_buf_index, 2))
1068 return -ENXIO;
1069
1070 if (!intel_sdvo_get_value(intel_sdvo,
1071 SDVO_CMD_GET_HBUF_TXRATE,
1072 &tx_rate, 1))
1073 return -ENXIO;
1074
1075 /* TX_DISABLED doesn't mean disabled for ELD */
1076 if (if_index != SDVO_HBUF_INDEX_ELD && tx_rate == SDVO_HBUF_TX_DISABLED)
1077 return 0;
1078
1079 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1080 return false;
1081
1082 drm_dbg_kms(&i915->drm,
1083 "reading sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1084 if_index, length, hbuf_size);
1085
1086 hbuf_size = min_t(unsigned int, length, hbuf_size);
1087
1088 for (i = 0; i < hbuf_size; i += 8) {
1089 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HBUF_DATA, NULL, 0))
1090 return -ENXIO;
1091 if (!intel_sdvo_read_response(intel_sdvo, &data[i],
1092 min_t(unsigned int, 8, hbuf_size - i)))
1093 return -ENXIO;
1094 }
1095
1096 return hbuf_size;
1097}
1098
1099static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo,
1100 struct intel_crtc_state *crtc_state,
1101 struct drm_connector_state *conn_state)
1102{
1103 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1104 struct hdmi_avi_infoframe *frame = &crtc_state->infoframes.avi.avi;
1105 const struct drm_display_mode *adjusted_mode =
1106 &crtc_state->hw.adjusted_mode;
1107 int ret;
1108
1109 if (!crtc_state->has_hdmi_sink)
1110 return true;
1111
1112 crtc_state->infoframes.enable |=
1113 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1114
1115 ret = drm_hdmi_avi_infoframe_from_display_mode(frame,
1116 conn_state->connector,
1117 adjusted_mode);
1118 if (ret)
1119 return false;
1120
1121 drm_hdmi_avi_infoframe_quant_range(frame,
1122 conn_state->connector,
1123 adjusted_mode,
1124 crtc_state->limited_color_range ?
1125 HDMI_QUANTIZATION_RANGE_LIMITED :
1126 HDMI_QUANTIZATION_RANGE_FULL);
1127
1128 ret = hdmi_avi_infoframe_check(frame);
1129 if (drm_WARN_ON(&dev_priv->drm, ret))
1130 return false;
1131
1132 return true;
1133}
1134
1135static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
1136 const struct intel_crtc_state *crtc_state)
1137{
1138 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1139 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1140 const union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1141 ssize_t len;
1142
1143 if ((crtc_state->infoframes.enable &
1144 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI)) == 0)
1145 return true;
1146
1147 if (drm_WARN_ON(&dev_priv->drm,
1148 frame->any.type != HDMI_INFOFRAME_TYPE_AVI))
1149 return false;
1150
1151 len = hdmi_infoframe_pack_only(frame, sdvo_data, sizeof(sdvo_data));
1152 if (drm_WARN_ON(&dev_priv->drm, len < 0))
1153 return false;
1154
1155 return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1156 SDVO_HBUF_TX_VSYNC,
1157 sdvo_data, len);
1158}
1159
1160static void intel_sdvo_get_avi_infoframe(struct intel_sdvo *intel_sdvo,
1161 struct intel_crtc_state *crtc_state)
1162{
1163 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
1164 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1165 union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1166 ssize_t len;
1167 int ret;
1168
1169 if (!crtc_state->has_hdmi_sink)
1170 return;
1171
1172 len = intel_sdvo_read_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1173 sdvo_data, sizeof(sdvo_data));
1174 if (len < 0) {
1175 drm_dbg_kms(&i915->drm, "failed to read AVI infoframe\n");
1176 return;
1177 } else if (len == 0) {
1178 return;
1179 }
1180
1181 crtc_state->infoframes.enable |=
1182 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1183
1184 ret = hdmi_infoframe_unpack(frame, sdvo_data, len);
1185 if (ret) {
1186 drm_dbg_kms(&i915->drm, "Failed to unpack AVI infoframe\n");
1187 return;
1188 }
1189
1190 if (frame->any.type != HDMI_INFOFRAME_TYPE_AVI)
1191 drm_dbg_kms(&i915->drm,
1192 "Found the wrong infoframe type 0x%x (expected 0x%02x)\n",
1193 frame->any.type, HDMI_INFOFRAME_TYPE_AVI);
1194}
1195
1196static void intel_sdvo_get_eld(struct intel_sdvo *intel_sdvo,
1197 struct intel_crtc_state *crtc_state)
1198{
1199 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
1200 ssize_t len;
1201 u8 val;
1202
1203 if (!crtc_state->has_audio)
1204 return;
1205
1206 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT, &val, 1))
1207 return;
1208
1209 if ((val & SDVO_AUDIO_ELD_VALID) == 0)
1210 return;
1211
1212 len = intel_sdvo_read_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD,
1213 crtc_state->eld, sizeof(crtc_state->eld));
1214 if (len < 0)
1215 drm_dbg_kms(&i915->drm, "failed to read ELD\n");
1216}
1217
1218static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo,
1219 const struct drm_connector_state *conn_state)
1220{
1221 struct intel_sdvo_tv_format format;
1222 u32 format_map;
1223
1224 format_map = 1 << conn_state->tv.legacy_mode;
1225 memset(&format, 0, sizeof(format));
1226 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
1227
1228 BUILD_BUG_ON(sizeof(format) != 6);
1229 return intel_sdvo_set_value(intel_sdvo,
1230 SDVO_CMD_SET_TV_FORMAT,
1231 &format, sizeof(format));
1232}
1233
1234static bool
1235intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
1236 struct intel_sdvo_connector *intel_sdvo_connector,
1237 const struct drm_display_mode *mode)
1238{
1239 struct intel_sdvo_dtd output_dtd;
1240
1241 if (!intel_sdvo_set_target_output(intel_sdvo,
1242 intel_sdvo_connector->output_flag))
1243 return false;
1244
1245 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1246 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1247 return false;
1248
1249 return true;
1250}
1251
1252/*
1253 * Asks the sdvo controller for the preferred input mode given the output mode.
1254 * Unfortunately we have to set up the full output mode to do that.
1255 */
1256static bool
1257intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1258 struct intel_sdvo_connector *intel_sdvo_connector,
1259 const struct drm_display_mode *mode,
1260 struct drm_display_mode *adjusted_mode)
1261{
1262 struct intel_sdvo_dtd input_dtd;
1263
1264 /* Reset the input timing to the screen. Assume always input 0. */
1265 if (!intel_sdvo_set_target_input(intel_sdvo))
1266 return false;
1267
1268 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1269 intel_sdvo_connector,
1270 mode))
1271 return false;
1272
1273 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1274 &input_dtd))
1275 return false;
1276
1277 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1278 intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1279
1280 return true;
1281}
1282
1283static int i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config)
1284{
1285 struct drm_i915_private *dev_priv = to_i915(pipe_config->uapi.crtc->dev);
1286 unsigned int dotclock = pipe_config->hw.adjusted_mode.crtc_clock;
1287 struct dpll *clock = &pipe_config->dpll;
1288
1289 /*
1290 * SDVO TV has fixed PLL values depend on its clock range,
1291 * this mirrors vbios setting.
1292 */
1293 if (dotclock >= 100000 && dotclock < 140500) {
1294 clock->p1 = 2;
1295 clock->p2 = 10;
1296 clock->n = 3;
1297 clock->m1 = 16;
1298 clock->m2 = 8;
1299 } else if (dotclock >= 140500 && dotclock <= 200000) {
1300 clock->p1 = 1;
1301 clock->p2 = 10;
1302 clock->n = 6;
1303 clock->m1 = 12;
1304 clock->m2 = 8;
1305 } else {
1306 drm_dbg_kms(&dev_priv->drm,
1307 "SDVO TV clock out of range: %i\n", dotclock);
1308 return -EINVAL;
1309 }
1310
1311 pipe_config->clock_set = true;
1312
1313 return 0;
1314}
1315
1316static bool intel_has_hdmi_sink(struct intel_sdvo_connector *intel_sdvo_connector,
1317 const struct drm_connector_state *conn_state)
1318{
1319 struct drm_connector *connector = conn_state->connector;
1320
1321 return intel_sdvo_connector->is_hdmi &&
1322 connector->display_info.is_hdmi &&
1323 READ_ONCE(to_intel_digital_connector_state(conn_state)->force_audio) != HDMI_AUDIO_OFF_DVI;
1324}
1325
1326static bool intel_sdvo_limited_color_range(struct intel_encoder *encoder,
1327 const struct intel_crtc_state *crtc_state,
1328 const struct drm_connector_state *conn_state)
1329{
1330 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1331
1332 if ((intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220) == 0)
1333 return false;
1334
1335 return intel_hdmi_limited_color_range(crtc_state, conn_state);
1336}
1337
1338static bool intel_sdvo_has_audio(struct intel_encoder *encoder,
1339 const struct intel_crtc_state *crtc_state,
1340 const struct drm_connector_state *conn_state)
1341{
1342 struct drm_connector *connector = conn_state->connector;
1343 struct intel_sdvo_connector *intel_sdvo_connector =
1344 to_intel_sdvo_connector(connector);
1345 const struct intel_digital_connector_state *intel_conn_state =
1346 to_intel_digital_connector_state(conn_state);
1347
1348 if (!crtc_state->has_hdmi_sink)
1349 return false;
1350
1351 if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
1352 return intel_sdvo_connector->is_hdmi &&
1353 connector->display_info.has_audio;
1354 else
1355 return intel_conn_state->force_audio == HDMI_AUDIO_ON;
1356}
1357
1358static int intel_sdvo_compute_config(struct intel_encoder *encoder,
1359 struct intel_crtc_state *pipe_config,
1360 struct drm_connector_state *conn_state)
1361{
1362 struct drm_i915_private *i915 = to_i915(encoder->base.dev);
1363 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1364 struct intel_sdvo_connector *intel_sdvo_connector =
1365 to_intel_sdvo_connector(conn_state->connector);
1366 struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
1367 struct drm_display_mode *mode = &pipe_config->hw.mode;
1368
1369 if (HAS_PCH_SPLIT(to_i915(encoder->base.dev))) {
1370 pipe_config->has_pch_encoder = true;
1371 if (!intel_fdi_compute_pipe_bpp(pipe_config))
1372 return -EINVAL;
1373 }
1374
1375 drm_dbg_kms(&i915->drm, "forcing bpc to 8 for SDVO\n");
1376 /* FIXME: Don't increase pipe_bpp */
1377 pipe_config->pipe_bpp = 8*3;
1378 pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB;
1379 pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
1380
1381 /*
1382 * We need to construct preferred input timings based on our
1383 * output timings. To do that, we have to set the output
1384 * timings, even though this isn't really the right place in
1385 * the sequence to do it. Oh well.
1386 */
1387 if (IS_TV(intel_sdvo_connector)) {
1388 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1389 intel_sdvo_connector,
1390 mode))
1391 return -EINVAL;
1392
1393 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1394 intel_sdvo_connector,
1395 mode,
1396 adjusted_mode);
1397 pipe_config->sdvo_tv_clock = true;
1398 } else if (IS_LVDS(intel_sdvo_connector)) {
1399 const struct drm_display_mode *fixed_mode =
1400 intel_panel_fixed_mode(&intel_sdvo_connector->base, mode);
1401 int ret;
1402
1403 ret = intel_panel_compute_config(&intel_sdvo_connector->base,
1404 adjusted_mode);
1405 if (ret)
1406 return ret;
1407
1408 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1409 intel_sdvo_connector,
1410 fixed_mode))
1411 return -EINVAL;
1412
1413 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1414 intel_sdvo_connector,
1415 mode,
1416 adjusted_mode);
1417 }
1418
1419 if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
1420 return -EINVAL;
1421
1422 /*
1423 * Make the CRTC code factor in the SDVO pixel multiplier. The
1424 * SDVO device will factor out the multiplier during mode_set.
1425 */
1426 pipe_config->pixel_multiplier =
1427 intel_sdvo_get_pixel_multiplier(adjusted_mode);
1428
1429 pipe_config->has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo_connector, conn_state);
1430
1431 pipe_config->has_audio =
1432 intel_sdvo_has_audio(encoder, pipe_config, conn_state) &&
1433 intel_audio_compute_config(encoder, pipe_config, conn_state);
1434
1435 pipe_config->limited_color_range =
1436 intel_sdvo_limited_color_range(encoder, pipe_config,
1437 conn_state);
1438
1439 /* Clock computation needs to happen after pixel multiplier. */
1440 if (IS_TV(intel_sdvo_connector)) {
1441 int ret;
1442
1443 ret = i9xx_adjust_sdvo_tv_clock(pipe_config);
1444 if (ret)
1445 return ret;
1446 }
1447
1448 if (conn_state->picture_aspect_ratio)
1449 adjusted_mode->picture_aspect_ratio =
1450 conn_state->picture_aspect_ratio;
1451
1452 if (!intel_sdvo_compute_avi_infoframe(intel_sdvo,
1453 pipe_config, conn_state)) {
1454 drm_dbg_kms(&i915->drm, "bad AVI infoframe\n");
1455 return -EINVAL;
1456 }
1457
1458 return 0;
1459}
1460
1461#define UPDATE_PROPERTY(input, NAME) \
1462 do { \
1463 val = input; \
1464 intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_##NAME, &val, sizeof(val)); \
1465 } while (0)
1466
1467static void intel_sdvo_update_props(struct intel_sdvo *intel_sdvo,
1468 const struct intel_sdvo_connector_state *sdvo_state)
1469{
1470 const struct drm_connector_state *conn_state = &sdvo_state->base.base;
1471 struct intel_sdvo_connector *intel_sdvo_conn =
1472 to_intel_sdvo_connector(conn_state->connector);
1473 u16 val;
1474
1475 if (intel_sdvo_conn->left)
1476 UPDATE_PROPERTY(sdvo_state->tv.overscan_h, OVERSCAN_H);
1477
1478 if (intel_sdvo_conn->top)
1479 UPDATE_PROPERTY(sdvo_state->tv.overscan_v, OVERSCAN_V);
1480
1481 if (intel_sdvo_conn->hpos)
1482 UPDATE_PROPERTY(sdvo_state->tv.hpos, HPOS);
1483
1484 if (intel_sdvo_conn->vpos)
1485 UPDATE_PROPERTY(sdvo_state->tv.vpos, VPOS);
1486
1487 if (intel_sdvo_conn->saturation)
1488 UPDATE_PROPERTY(conn_state->tv.saturation, SATURATION);
1489
1490 if (intel_sdvo_conn->contrast)
1491 UPDATE_PROPERTY(conn_state->tv.contrast, CONTRAST);
1492
1493 if (intel_sdvo_conn->hue)
1494 UPDATE_PROPERTY(conn_state->tv.hue, HUE);
1495
1496 if (intel_sdvo_conn->brightness)
1497 UPDATE_PROPERTY(conn_state->tv.brightness, BRIGHTNESS);
1498
1499 if (intel_sdvo_conn->sharpness)
1500 UPDATE_PROPERTY(sdvo_state->tv.sharpness, SHARPNESS);
1501
1502 if (intel_sdvo_conn->flicker_filter)
1503 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter, FLICKER_FILTER);
1504
1505 if (intel_sdvo_conn->flicker_filter_2d)
1506 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_2d, FLICKER_FILTER_2D);
1507
1508 if (intel_sdvo_conn->flicker_filter_adaptive)
1509 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
1510
1511 if (intel_sdvo_conn->tv_chroma_filter)
1512 UPDATE_PROPERTY(sdvo_state->tv.chroma_filter, TV_CHROMA_FILTER);
1513
1514 if (intel_sdvo_conn->tv_luma_filter)
1515 UPDATE_PROPERTY(sdvo_state->tv.luma_filter, TV_LUMA_FILTER);
1516
1517 if (intel_sdvo_conn->dot_crawl)
1518 UPDATE_PROPERTY(sdvo_state->tv.dot_crawl, DOT_CRAWL);
1519
1520#undef UPDATE_PROPERTY
1521}
1522
1523static void intel_sdvo_pre_enable(struct intel_atomic_state *state,
1524 struct intel_encoder *intel_encoder,
1525 const struct intel_crtc_state *crtc_state,
1526 const struct drm_connector_state *conn_state)
1527{
1528 struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
1529 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
1530 const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
1531 const struct intel_sdvo_connector_state *sdvo_state =
1532 to_intel_sdvo_connector_state(conn_state);
1533 struct intel_sdvo_connector *intel_sdvo_connector =
1534 to_intel_sdvo_connector(conn_state->connector);
1535 const struct drm_display_mode *mode = &crtc_state->hw.mode;
1536 struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
1537 u32 sdvox;
1538 struct intel_sdvo_in_out_map in_out;
1539 struct intel_sdvo_dtd input_dtd, output_dtd;
1540 int rate;
1541
1542 intel_sdvo_update_props(intel_sdvo, sdvo_state);
1543
1544 /*
1545 * First, set the input mapping for the first input to our controlled
1546 * output. This is only correct if we're a single-input device, in
1547 * which case the first input is the output from the appropriate SDVO
1548 * channel on the motherboard. In a two-input device, the first input
1549 * will be SDVOB and the second SDVOC.
1550 */
1551 in_out.in0 = intel_sdvo_connector->output_flag;
1552 in_out.in1 = 0;
1553
1554 intel_sdvo_set_value(intel_sdvo,
1555 SDVO_CMD_SET_IN_OUT_MAP,
1556 &in_out, sizeof(in_out));
1557
1558 /* Set the output timings to the screen */
1559 if (!intel_sdvo_set_target_output(intel_sdvo,
1560 intel_sdvo_connector->output_flag))
1561 return;
1562
1563 /* lvds has a special fixed output timing. */
1564 if (IS_LVDS(intel_sdvo_connector)) {
1565 const struct drm_display_mode *fixed_mode =
1566 intel_panel_fixed_mode(&intel_sdvo_connector->base, mode);
1567
1568 intel_sdvo_get_dtd_from_mode(&output_dtd, fixed_mode);
1569 } else {
1570 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1571 }
1572 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1573 drm_info(&dev_priv->drm,
1574 "Setting output timings on %s failed\n",
1575 SDVO_NAME(intel_sdvo));
1576
1577 /* Set the input timing to the screen. Assume always input 0. */
1578 if (!intel_sdvo_set_target_input(intel_sdvo))
1579 return;
1580
1581 if (crtc_state->has_hdmi_sink) {
1582 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1583 intel_sdvo_set_colorimetry(intel_sdvo,
1584 crtc_state->limited_color_range ?
1585 SDVO_COLORIMETRY_RGB220 :
1586 SDVO_COLORIMETRY_RGB256);
1587 intel_sdvo_set_avi_infoframe(intel_sdvo, crtc_state);
1588 intel_sdvo_set_pixel_replication(intel_sdvo,
1589 !!(adjusted_mode->flags &
1590 DRM_MODE_FLAG_DBLCLK));
1591 } else
1592 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1593
1594 if (IS_TV(intel_sdvo_connector) &&
1595 !intel_sdvo_set_tv_format(intel_sdvo, conn_state))
1596 return;
1597
1598 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1599
1600 if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector))
1601 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1602 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1603 drm_info(&dev_priv->drm,
1604 "Setting input timings on %s failed\n",
1605 SDVO_NAME(intel_sdvo));
1606
1607 switch (crtc_state->pixel_multiplier) {
1608 default:
1609 drm_WARN(&dev_priv->drm, 1,
1610 "unknown pixel multiplier specified\n");
1611 fallthrough;
1612 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1613 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1614 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1615 }
1616 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1617 return;
1618
1619 /* Set the SDVO control regs. */
1620 if (DISPLAY_VER(dev_priv) >= 4) {
1621 /* The real mode polarity is set by the SDVO commands, using
1622 * struct intel_sdvo_dtd. */
1623 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1624 if (DISPLAY_VER(dev_priv) < 5)
1625 sdvox |= SDVO_BORDER_ENABLE;
1626 } else {
1627 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1628 if (intel_sdvo->base.port == PORT_B)
1629 sdvox &= SDVOB_PRESERVE_MASK;
1630 else
1631 sdvox &= SDVOC_PRESERVE_MASK;
1632 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1633 }
1634
1635 if (HAS_PCH_CPT(dev_priv))
1636 sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
1637 else
1638 sdvox |= SDVO_PIPE_SEL(crtc->pipe);
1639
1640 if (DISPLAY_VER(dev_priv) >= 4) {
1641 /* done in crtc_mode_set as the dpll_md reg must be written early */
1642 } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) ||
1643 IS_G33(dev_priv) || IS_PINEVIEW(dev_priv)) {
1644 /* done in crtc_mode_set as it lives inside the dpll register */
1645 } else {
1646 sdvox |= (crtc_state->pixel_multiplier - 1)
1647 << SDVO_PORT_MULTIPLY_SHIFT;
1648 }
1649
1650 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1651 DISPLAY_VER(dev_priv) < 5)
1652 sdvox |= SDVO_STALL_SELECT;
1653 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1654}
1655
1656static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1657{
1658 struct intel_sdvo_connector *intel_sdvo_connector =
1659 to_intel_sdvo_connector(&connector->base);
1660 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1661 u16 active_outputs = 0;
1662
1663 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1664
1665 return active_outputs & intel_sdvo_connector->output_flag;
1666}
1667
1668bool intel_sdvo_port_enabled(struct drm_i915_private *dev_priv,
1669 i915_reg_t sdvo_reg, enum pipe *pipe)
1670{
1671 u32 val;
1672
1673 val = intel_de_read(dev_priv, sdvo_reg);
1674
1675 /* asserts want to know the pipe even if the port is disabled */
1676 if (HAS_PCH_CPT(dev_priv))
1677 *pipe = (val & SDVO_PIPE_SEL_MASK_CPT) >> SDVO_PIPE_SEL_SHIFT_CPT;
1678 else if (IS_CHERRYVIEW(dev_priv))
1679 *pipe = (val & SDVO_PIPE_SEL_MASK_CHV) >> SDVO_PIPE_SEL_SHIFT_CHV;
1680 else
1681 *pipe = (val & SDVO_PIPE_SEL_MASK) >> SDVO_PIPE_SEL_SHIFT;
1682
1683 return val & SDVO_ENABLE;
1684}
1685
1686static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1687 enum pipe *pipe)
1688{
1689 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1690 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1691 u16 active_outputs = 0;
1692 bool ret;
1693
1694 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1695
1696 ret = intel_sdvo_port_enabled(dev_priv, intel_sdvo->sdvo_reg, pipe);
1697
1698 return ret || active_outputs;
1699}
1700
1701static void intel_sdvo_get_config(struct intel_encoder *encoder,
1702 struct intel_crtc_state *pipe_config)
1703{
1704 struct drm_device *dev = encoder->base.dev;
1705 struct drm_i915_private *dev_priv = to_i915(dev);
1706 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1707 struct intel_sdvo_dtd dtd;
1708 int encoder_pixel_multiplier = 0;
1709 int dotclock;
1710 u32 flags = 0, sdvox;
1711 u8 val;
1712 bool ret;
1713
1714 pipe_config->output_types |= BIT(INTEL_OUTPUT_SDVO);
1715
1716 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1717
1718 ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
1719 if (!ret) {
1720 /*
1721 * Some sdvo encoders are not spec compliant and don't
1722 * implement the mandatory get_timings function.
1723 */
1724 drm_dbg(&dev_priv->drm, "failed to retrieve SDVO DTD\n");
1725 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
1726 } else {
1727 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
1728 flags |= DRM_MODE_FLAG_PHSYNC;
1729 else
1730 flags |= DRM_MODE_FLAG_NHSYNC;
1731
1732 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
1733 flags |= DRM_MODE_FLAG_PVSYNC;
1734 else
1735 flags |= DRM_MODE_FLAG_NVSYNC;
1736 }
1737
1738 pipe_config->hw.adjusted_mode.flags |= flags;
1739
1740 /*
1741 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1742 * the sdvo port register, on all other platforms it is part of the dpll
1743 * state. Since the general pipe state readout happens before the
1744 * encoder->get_config we so already have a valid pixel multplier on all
1745 * other platfroms.
1746 */
1747 if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) {
1748 pipe_config->pixel_multiplier =
1749 ((sdvox & SDVO_PORT_MULTIPLY_MASK)
1750 >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
1751 }
1752
1753 dotclock = pipe_config->port_clock;
1754
1755 if (pipe_config->pixel_multiplier)
1756 dotclock /= pipe_config->pixel_multiplier;
1757
1758 pipe_config->hw.adjusted_mode.crtc_clock = dotclock;
1759
1760 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1761 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
1762 &val, 1)) {
1763 switch (val) {
1764 case SDVO_CLOCK_RATE_MULT_1X:
1765 encoder_pixel_multiplier = 1;
1766 break;
1767 case SDVO_CLOCK_RATE_MULT_2X:
1768 encoder_pixel_multiplier = 2;
1769 break;
1770 case SDVO_CLOCK_RATE_MULT_4X:
1771 encoder_pixel_multiplier = 4;
1772 break;
1773 }
1774 }
1775
1776 drm_WARN(dev,
1777 encoder_pixel_multiplier != pipe_config->pixel_multiplier,
1778 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1779 pipe_config->pixel_multiplier, encoder_pixel_multiplier);
1780
1781 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY,
1782 &val, 1)) {
1783 if (val == SDVO_COLORIMETRY_RGB220)
1784 pipe_config->limited_color_range = true;
1785 }
1786
1787 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT,
1788 &val, 1)) {
1789 if (val & SDVO_AUDIO_PRESENCE_DETECT)
1790 pipe_config->has_audio = true;
1791 }
1792
1793 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
1794 &val, 1)) {
1795 if (val == SDVO_ENCODE_HDMI)
1796 pipe_config->has_hdmi_sink = true;
1797 }
1798
1799 intel_sdvo_get_avi_infoframe(intel_sdvo, pipe_config);
1800
1801 intel_sdvo_get_eld(intel_sdvo, pipe_config);
1802}
1803
1804static void intel_sdvo_disable_audio(struct intel_encoder *encoder,
1805 const struct intel_crtc_state *old_crtc_state,
1806 const struct drm_connector_state *old_conn_state)
1807{
1808 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1809
1810 if (!old_crtc_state->has_audio)
1811 return;
1812
1813 intel_sdvo_set_audio_state(intel_sdvo, 0);
1814}
1815
1816static void intel_sdvo_enable_audio(struct intel_encoder *encoder,
1817 const struct intel_crtc_state *crtc_state,
1818 const struct drm_connector_state *conn_state)
1819{
1820 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1821 const u8 *eld = crtc_state->eld;
1822
1823 if (!crtc_state->has_audio)
1824 return;
1825
1826 intel_sdvo_set_audio_state(intel_sdvo, 0);
1827
1828 intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD,
1829 SDVO_HBUF_TX_DISABLED,
1830 eld, drm_eld_size(eld));
1831
1832 intel_sdvo_set_audio_state(intel_sdvo, SDVO_AUDIO_ELD_VALID |
1833 SDVO_AUDIO_PRESENCE_DETECT);
1834}
1835
1836static void intel_disable_sdvo(struct intel_atomic_state *state,
1837 struct intel_encoder *encoder,
1838 const struct intel_crtc_state *old_crtc_state,
1839 const struct drm_connector_state *conn_state)
1840{
1841 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1842 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1843 struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
1844 u32 temp;
1845
1846 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1847 if (0)
1848 intel_sdvo_set_encoder_power_state(intel_sdvo,
1849 DRM_MODE_DPMS_OFF);
1850
1851 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1852
1853 temp &= ~SDVO_ENABLE;
1854 intel_sdvo_write_sdvox(intel_sdvo, temp);
1855
1856 /*
1857 * HW workaround for IBX, we need to move the port
1858 * to transcoder A after disabling it to allow the
1859 * matching DP port to be enabled on transcoder A.
1860 */
1861 if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) {
1862 /*
1863 * We get CPU/PCH FIFO underruns on the other pipe when
1864 * doing the workaround. Sweep them under the rug.
1865 */
1866 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1867 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1868
1869 temp &= ~SDVO_PIPE_SEL_MASK;
1870 temp |= SDVO_ENABLE | SDVO_PIPE_SEL(PIPE_A);
1871 intel_sdvo_write_sdvox(intel_sdvo, temp);
1872
1873 temp &= ~SDVO_ENABLE;
1874 intel_sdvo_write_sdvox(intel_sdvo, temp);
1875
1876 intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
1877 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1878 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1879 }
1880}
1881
1882static void pch_disable_sdvo(struct intel_atomic_state *state,
1883 struct intel_encoder *encoder,
1884 const struct intel_crtc_state *old_crtc_state,
1885 const struct drm_connector_state *old_conn_state)
1886{
1887}
1888
1889static void pch_post_disable_sdvo(struct intel_atomic_state *state,
1890 struct intel_encoder *encoder,
1891 const struct intel_crtc_state *old_crtc_state,
1892 const struct drm_connector_state *old_conn_state)
1893{
1894 intel_disable_sdvo(state, encoder, old_crtc_state, old_conn_state);
1895}
1896
1897static void intel_enable_sdvo(struct intel_atomic_state *state,
1898 struct intel_encoder *encoder,
1899 const struct intel_crtc_state *pipe_config,
1900 const struct drm_connector_state *conn_state)
1901{
1902 struct drm_device *dev = encoder->base.dev;
1903 struct drm_i915_private *dev_priv = to_i915(dev);
1904 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1905 struct intel_sdvo_connector *intel_sdvo_connector =
1906 to_intel_sdvo_connector(conn_state->connector);
1907 struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
1908 u32 temp;
1909 bool input1, input2;
1910 int i;
1911 bool success;
1912
1913 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1914 temp |= SDVO_ENABLE;
1915 intel_sdvo_write_sdvox(intel_sdvo, temp);
1916
1917 for (i = 0; i < 2; i++)
1918 intel_crtc_wait_for_next_vblank(crtc);
1919
1920 success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1921 /*
1922 * Warn if the device reported failure to sync.
1923 *
1924 * A lot of SDVO devices fail to notify of sync, but it's
1925 * a given it the status is a success, we succeeded.
1926 */
1927 if (success && !input1) {
1928 drm_dbg_kms(&dev_priv->drm,
1929 "First %s output reported failure to sync\n",
1930 SDVO_NAME(intel_sdvo));
1931 }
1932
1933 if (0)
1934 intel_sdvo_set_encoder_power_state(intel_sdvo,
1935 DRM_MODE_DPMS_ON);
1936 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo_connector->output_flag);
1937}
1938
1939static enum drm_mode_status
1940intel_sdvo_mode_valid(struct drm_connector *connector,
1941 struct drm_display_mode *mode)
1942{
1943 struct drm_i915_private *i915 = to_i915(connector->dev);
1944 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
1945 struct intel_sdvo_connector *intel_sdvo_connector =
1946 to_intel_sdvo_connector(connector);
1947 bool has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo_connector, connector->state);
1948 int max_dotclk = i915->display.cdclk.max_dotclk_freq;
1949 enum drm_mode_status status;
1950 int clock = mode->clock;
1951
1952 status = intel_cpu_transcoder_mode_valid(i915, mode);
1953 if (status != MODE_OK)
1954 return status;
1955
1956 if (clock > max_dotclk)
1957 return MODE_CLOCK_HIGH;
1958
1959 if (mode->flags & DRM_MODE_FLAG_DBLCLK) {
1960 if (!has_hdmi_sink)
1961 return MODE_CLOCK_LOW;
1962 clock *= 2;
1963 }
1964
1965 if (intel_sdvo->pixel_clock_min > clock)
1966 return MODE_CLOCK_LOW;
1967
1968 if (intel_sdvo->pixel_clock_max < clock)
1969 return MODE_CLOCK_HIGH;
1970
1971 if (IS_LVDS(intel_sdvo_connector)) {
1972 enum drm_mode_status status;
1973
1974 status = intel_panel_mode_valid(&intel_sdvo_connector->base, mode);
1975 if (status != MODE_OK)
1976 return status;
1977 }
1978
1979 return MODE_OK;
1980}
1981
1982static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1983{
1984 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
1985 BUILD_BUG_ON(sizeof(*caps) != 8);
1986 if (!intel_sdvo_get_value(intel_sdvo,
1987 SDVO_CMD_GET_DEVICE_CAPS,
1988 caps, sizeof(*caps)))
1989 return false;
1990
1991 drm_dbg_kms(&i915->drm, "SDVO capabilities:\n"
1992 " vendor_id: %d\n"
1993 " device_id: %d\n"
1994 " device_rev_id: %d\n"
1995 " sdvo_version_major: %d\n"
1996 " sdvo_version_minor: %d\n"
1997 " sdvo_num_inputs: %d\n"
1998 " smooth_scaling: %d\n"
1999 " sharp_scaling: %d\n"
2000 " up_scaling: %d\n"
2001 " down_scaling: %d\n"
2002 " stall_support: %d\n"
2003 " output_flags: %d\n",
2004 caps->vendor_id,
2005 caps->device_id,
2006 caps->device_rev_id,
2007 caps->sdvo_version_major,
2008 caps->sdvo_version_minor,
2009 caps->sdvo_num_inputs,
2010 caps->smooth_scaling,
2011 caps->sharp_scaling,
2012 caps->up_scaling,
2013 caps->down_scaling,
2014 caps->stall_support,
2015 caps->output_flags);
2016
2017 return true;
2018}
2019
2020static u8 intel_sdvo_get_colorimetry_cap(struct intel_sdvo *intel_sdvo)
2021{
2022 u8 cap;
2023
2024 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY_CAP,
2025 &cap, sizeof(cap)))
2026 return SDVO_COLORIMETRY_RGB256;
2027
2028 return cap;
2029}
2030
2031static u16 intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
2032{
2033 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
2034 u16 hotplug;
2035
2036 if (!I915_HAS_HOTPLUG(dev_priv))
2037 return 0;
2038
2039 /*
2040 * HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
2041 * on the line.
2042 */
2043 if (IS_I945G(dev_priv) || IS_I945GM(dev_priv))
2044 return 0;
2045
2046 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
2047 &hotplug, sizeof(hotplug)))
2048 return 0;
2049
2050 return hotplug;
2051}
2052
2053static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
2054{
2055 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
2056
2057 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
2058 &intel_sdvo->hotplug_active, 2);
2059}
2060
2061static enum intel_hotplug_state
2062intel_sdvo_hotplug(struct intel_encoder *encoder,
2063 struct intel_connector *connector)
2064{
2065 intel_sdvo_enable_hotplug(encoder);
2066
2067 return intel_encoder_hotplug(encoder, connector);
2068}
2069
2070static const struct drm_edid *
2071intel_sdvo_get_edid(struct drm_connector *connector)
2072{
2073 struct i2c_adapter *ddc = connector->ddc;
2074
2075 if (!ddc)
2076 return NULL;
2077
2078 return drm_edid_read_ddc(connector, ddc);
2079}
2080
2081/* Mac mini hack -- use the same DDC as the analog connector */
2082static const struct drm_edid *
2083intel_sdvo_get_analog_edid(struct drm_connector *connector)
2084{
2085 struct intel_display *display = to_intel_display(connector->dev);
2086 struct i2c_adapter *ddc;
2087
2088 ddc = intel_gmbus_get_adapter(display, display->vbt.crt_ddc_pin);
2089 if (!ddc)
2090 return NULL;
2091
2092 return drm_edid_read_ddc(connector, ddc);
2093}
2094
2095static enum drm_connector_status
2096intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
2097{
2098 enum drm_connector_status status;
2099 const struct drm_edid *drm_edid;
2100
2101 drm_edid = intel_sdvo_get_edid(connector);
2102
2103 /*
2104 * When there is no edid and no monitor is connected with VGA
2105 * port, try to use the CRT ddc to read the EDID for DVI-connector.
2106 */
2107 if (!drm_edid)
2108 drm_edid = intel_sdvo_get_analog_edid(connector);
2109
2110 status = connector_status_unknown;
2111 if (drm_edid) {
2112 /* DDC bus is shared, match EDID to connector type */
2113 if (drm_edid_is_digital(drm_edid))
2114 status = connector_status_connected;
2115 else
2116 status = connector_status_disconnected;
2117 drm_edid_free(drm_edid);
2118 }
2119
2120 return status;
2121}
2122
2123static bool
2124intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
2125 const struct drm_edid *drm_edid)
2126{
2127 bool monitor_is_digital = drm_edid_is_digital(drm_edid);
2128 bool connector_is_digital = !!IS_DIGITAL(sdvo);
2129
2130 drm_dbg_kms(sdvo->base.base.dev,
2131 "connector_is_digital? %d, monitor_is_digital? %d\n",
2132 connector_is_digital, monitor_is_digital);
2133 return connector_is_digital == monitor_is_digital;
2134}
2135
2136static enum drm_connector_status
2137intel_sdvo_detect(struct drm_connector *connector, bool force)
2138{
2139 struct drm_i915_private *i915 = to_i915(connector->dev);
2140 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2141 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2142 enum drm_connector_status ret;
2143 u16 response;
2144
2145 drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s]\n",
2146 connector->base.id, connector->name);
2147
2148 if (!intel_display_device_enabled(i915))
2149 return connector_status_disconnected;
2150
2151 if (!intel_display_driver_check_access(i915))
2152 return connector->status;
2153
2154 if (!intel_sdvo_set_target_output(intel_sdvo,
2155 intel_sdvo_connector->output_flag))
2156 return connector_status_unknown;
2157
2158 if (!intel_sdvo_get_value(intel_sdvo,
2159 SDVO_CMD_GET_ATTACHED_DISPLAYS,
2160 &response, 2))
2161 return connector_status_unknown;
2162
2163 drm_dbg_kms(&i915->drm, "SDVO response %d %d [%x]\n",
2164 response & 0xff, response >> 8,
2165 intel_sdvo_connector->output_flag);
2166
2167 if (response == 0)
2168 return connector_status_disconnected;
2169
2170 if ((intel_sdvo_connector->output_flag & response) == 0)
2171 ret = connector_status_disconnected;
2172 else if (IS_TMDS(intel_sdvo_connector))
2173 ret = intel_sdvo_tmds_sink_detect(connector);
2174 else {
2175 const struct drm_edid *drm_edid;
2176
2177 /* if we have an edid check it matches the connection */
2178 drm_edid = intel_sdvo_get_edid(connector);
2179 if (!drm_edid)
2180 drm_edid = intel_sdvo_get_analog_edid(connector);
2181 if (drm_edid) {
2182 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
2183 drm_edid))
2184 ret = connector_status_connected;
2185 else
2186 ret = connector_status_disconnected;
2187
2188 drm_edid_free(drm_edid);
2189 } else {
2190 ret = connector_status_connected;
2191 }
2192 }
2193
2194 return ret;
2195}
2196
2197static int intel_sdvo_get_ddc_modes(struct drm_connector *connector)
2198{
2199 struct drm_i915_private *i915 = to_i915(connector->dev);
2200 int num_modes = 0;
2201 const struct drm_edid *drm_edid;
2202
2203 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s]\n",
2204 connector->base.id, connector->name);
2205
2206 if (!intel_display_driver_check_access(i915))
2207 return drm_edid_connector_add_modes(connector);
2208
2209 /* set the bus switch and get the modes */
2210 drm_edid = intel_sdvo_get_edid(connector);
2211
2212 /*
2213 * Mac mini hack. On this device, the DVI-I connector shares one DDC
2214 * link between analog and digital outputs. So, if the regular SDVO
2215 * DDC fails, check to see if the analog output is disconnected, in
2216 * which case we'll look there for the digital DDC data.
2217 */
2218 if (!drm_edid)
2219 drm_edid = intel_sdvo_get_analog_edid(connector);
2220
2221 if (!drm_edid)
2222 return 0;
2223
2224 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
2225 drm_edid))
2226 num_modes += intel_connector_update_modes(connector, drm_edid);
2227
2228 drm_edid_free(drm_edid);
2229
2230 return num_modes;
2231}
2232
2233/*
2234 * Set of SDVO TV modes.
2235 * Note! This is in reply order (see loop in get_tv_modes).
2236 * XXX: all 60Hz refresh?
2237 */
2238static const struct drm_display_mode sdvo_tv_modes[] = {
2239 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
2240 416, 0, 200, 201, 232, 233, 0,
2241 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2242 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
2243 416, 0, 240, 241, 272, 273, 0,
2244 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2245 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
2246 496, 0, 300, 301, 332, 333, 0,
2247 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2248 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
2249 736, 0, 350, 351, 382, 383, 0,
2250 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2251 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
2252 736, 0, 400, 401, 432, 433, 0,
2253 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2254 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
2255 736, 0, 480, 481, 512, 513, 0,
2256 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2257 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
2258 800, 0, 480, 481, 512, 513, 0,
2259 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2260 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
2261 800, 0, 576, 577, 608, 609, 0,
2262 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2263 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
2264 816, 0, 350, 351, 382, 383, 0,
2265 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2266 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
2267 816, 0, 400, 401, 432, 433, 0,
2268 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2269 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
2270 816, 0, 480, 481, 512, 513, 0,
2271 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2272 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
2273 816, 0, 540, 541, 572, 573, 0,
2274 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2275 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
2276 816, 0, 576, 577, 608, 609, 0,
2277 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2278 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
2279 864, 0, 576, 577, 608, 609, 0,
2280 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2281 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
2282 896, 0, 600, 601, 632, 633, 0,
2283 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2284 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
2285 928, 0, 624, 625, 656, 657, 0,
2286 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2287 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
2288 1016, 0, 766, 767, 798, 799, 0,
2289 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2290 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
2291 1120, 0, 768, 769, 800, 801, 0,
2292 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2293 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
2294 1376, 0, 1024, 1025, 1056, 1057, 0,
2295 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2296};
2297
2298static int intel_sdvo_get_tv_modes(struct drm_connector *connector)
2299{
2300 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2301 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
2302 struct intel_sdvo_connector *intel_sdvo_connector =
2303 to_intel_sdvo_connector(connector);
2304 const struct drm_connector_state *conn_state = connector->state;
2305 struct intel_sdvo_sdtv_resolution_request tv_res;
2306 u32 reply = 0, format_map = 0;
2307 int num_modes = 0;
2308 int i;
2309
2310 drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s]\n",
2311 connector->base.id, connector->name);
2312
2313 if (!intel_display_driver_check_access(i915))
2314 return 0;
2315
2316 /*
2317 * Read the list of supported input resolutions for the selected TV
2318 * format.
2319 */
2320 format_map = 1 << conn_state->tv.legacy_mode;
2321 memcpy(&tv_res, &format_map,
2322 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
2323
2324 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo_connector->output_flag))
2325 return 0;
2326
2327 BUILD_BUG_ON(sizeof(tv_res) != 3);
2328 if (!intel_sdvo_write_cmd(intel_sdvo,
2329 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
2330 &tv_res, sizeof(tv_res)))
2331 return 0;
2332 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
2333 return 0;
2334
2335 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++) {
2336 if (reply & (1 << i)) {
2337 struct drm_display_mode *nmode;
2338 nmode = drm_mode_duplicate(connector->dev,
2339 &sdvo_tv_modes[i]);
2340 if (nmode) {
2341 drm_mode_probed_add(connector, nmode);
2342 num_modes++;
2343 }
2344 }
2345 }
2346
2347 return num_modes;
2348}
2349
2350static int intel_sdvo_get_lvds_modes(struct drm_connector *connector)
2351{
2352 struct drm_i915_private *dev_priv = to_i915(connector->dev);
2353
2354 drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s]\n",
2355 connector->base.id, connector->name);
2356
2357 return intel_panel_get_modes(to_intel_connector(connector));
2358}
2359
2360static int intel_sdvo_get_modes(struct drm_connector *connector)
2361{
2362 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2363
2364 if (IS_TV(intel_sdvo_connector))
2365 return intel_sdvo_get_tv_modes(connector);
2366 else if (IS_LVDS(intel_sdvo_connector))
2367 return intel_sdvo_get_lvds_modes(connector);
2368 else
2369 return intel_sdvo_get_ddc_modes(connector);
2370}
2371
2372static int
2373intel_sdvo_connector_atomic_get_property(struct drm_connector *connector,
2374 const struct drm_connector_state *state,
2375 struct drm_property *property,
2376 u64 *val)
2377{
2378 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2379 const struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state(state);
2380
2381 if (property == intel_sdvo_connector->tv_format) {
2382 int i;
2383
2384 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2385 if (state->tv.legacy_mode == intel_sdvo_connector->tv_format_supported[i]) {
2386 *val = i;
2387
2388 return 0;
2389 }
2390
2391 drm_WARN_ON(connector->dev, 1);
2392 *val = 0;
2393 } else if (property == intel_sdvo_connector->top ||
2394 property == intel_sdvo_connector->bottom)
2395 *val = intel_sdvo_connector->max_vscan - sdvo_state->tv.overscan_v;
2396 else if (property == intel_sdvo_connector->left ||
2397 property == intel_sdvo_connector->right)
2398 *val = intel_sdvo_connector->max_hscan - sdvo_state->tv.overscan_h;
2399 else if (property == intel_sdvo_connector->hpos)
2400 *val = sdvo_state->tv.hpos;
2401 else if (property == intel_sdvo_connector->vpos)
2402 *val = sdvo_state->tv.vpos;
2403 else if (property == intel_sdvo_connector->saturation)
2404 *val = state->tv.saturation;
2405 else if (property == intel_sdvo_connector->contrast)
2406 *val = state->tv.contrast;
2407 else if (property == intel_sdvo_connector->hue)
2408 *val = state->tv.hue;
2409 else if (property == intel_sdvo_connector->brightness)
2410 *val = state->tv.brightness;
2411 else if (property == intel_sdvo_connector->sharpness)
2412 *val = sdvo_state->tv.sharpness;
2413 else if (property == intel_sdvo_connector->flicker_filter)
2414 *val = sdvo_state->tv.flicker_filter;
2415 else if (property == intel_sdvo_connector->flicker_filter_2d)
2416 *val = sdvo_state->tv.flicker_filter_2d;
2417 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2418 *val = sdvo_state->tv.flicker_filter_adaptive;
2419 else if (property == intel_sdvo_connector->tv_chroma_filter)
2420 *val = sdvo_state->tv.chroma_filter;
2421 else if (property == intel_sdvo_connector->tv_luma_filter)
2422 *val = sdvo_state->tv.luma_filter;
2423 else if (property == intel_sdvo_connector->dot_crawl)
2424 *val = sdvo_state->tv.dot_crawl;
2425 else
2426 return intel_digital_connector_atomic_get_property(connector, state, property, val);
2427
2428 return 0;
2429}
2430
2431static int
2432intel_sdvo_connector_atomic_set_property(struct drm_connector *connector,
2433 struct drm_connector_state *state,
2434 struct drm_property *property,
2435 u64 val)
2436{
2437 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2438 struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state(state);
2439
2440 if (property == intel_sdvo_connector->tv_format) {
2441 state->tv.legacy_mode = intel_sdvo_connector->tv_format_supported[val];
2442
2443 if (state->crtc) {
2444 struct drm_crtc_state *crtc_state =
2445 drm_atomic_get_new_crtc_state(state->state, state->crtc);
2446
2447 crtc_state->connectors_changed = true;
2448 }
2449 } else if (property == intel_sdvo_connector->top ||
2450 property == intel_sdvo_connector->bottom)
2451 /* Cannot set these independent from each other */
2452 sdvo_state->tv.overscan_v = intel_sdvo_connector->max_vscan - val;
2453 else if (property == intel_sdvo_connector->left ||
2454 property == intel_sdvo_connector->right)
2455 /* Cannot set these independent from each other */
2456 sdvo_state->tv.overscan_h = intel_sdvo_connector->max_hscan - val;
2457 else if (property == intel_sdvo_connector->hpos)
2458 sdvo_state->tv.hpos = val;
2459 else if (property == intel_sdvo_connector->vpos)
2460 sdvo_state->tv.vpos = val;
2461 else if (property == intel_sdvo_connector->saturation)
2462 state->tv.saturation = val;
2463 else if (property == intel_sdvo_connector->contrast)
2464 state->tv.contrast = val;
2465 else if (property == intel_sdvo_connector->hue)
2466 state->tv.hue = val;
2467 else if (property == intel_sdvo_connector->brightness)
2468 state->tv.brightness = val;
2469 else if (property == intel_sdvo_connector->sharpness)
2470 sdvo_state->tv.sharpness = val;
2471 else if (property == intel_sdvo_connector->flicker_filter)
2472 sdvo_state->tv.flicker_filter = val;
2473 else if (property == intel_sdvo_connector->flicker_filter_2d)
2474 sdvo_state->tv.flicker_filter_2d = val;
2475 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2476 sdvo_state->tv.flicker_filter_adaptive = val;
2477 else if (property == intel_sdvo_connector->tv_chroma_filter)
2478 sdvo_state->tv.chroma_filter = val;
2479 else if (property == intel_sdvo_connector->tv_luma_filter)
2480 sdvo_state->tv.luma_filter = val;
2481 else if (property == intel_sdvo_connector->dot_crawl)
2482 sdvo_state->tv.dot_crawl = val;
2483 else
2484 return intel_digital_connector_atomic_set_property(connector, state, property, val);
2485
2486 return 0;
2487}
2488
2489static struct drm_connector_state *
2490intel_sdvo_connector_duplicate_state(struct drm_connector *connector)
2491{
2492 struct intel_sdvo_connector_state *state;
2493
2494 state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL);
2495 if (!state)
2496 return NULL;
2497
2498 __drm_atomic_helper_connector_duplicate_state(connector, &state->base.base);
2499 return &state->base.base;
2500}
2501
2502static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2503 .detect = intel_sdvo_detect,
2504 .fill_modes = drm_helper_probe_single_connector_modes,
2505 .atomic_get_property = intel_sdvo_connector_atomic_get_property,
2506 .atomic_set_property = intel_sdvo_connector_atomic_set_property,
2507 .late_register = intel_connector_register,
2508 .early_unregister = intel_connector_unregister,
2509 .destroy = intel_connector_destroy,
2510 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
2511 .atomic_duplicate_state = intel_sdvo_connector_duplicate_state,
2512};
2513
2514static int intel_sdvo_atomic_check(struct drm_connector *conn,
2515 struct drm_atomic_state *state)
2516{
2517 struct drm_connector_state *new_conn_state =
2518 drm_atomic_get_new_connector_state(state, conn);
2519 struct drm_connector_state *old_conn_state =
2520 drm_atomic_get_old_connector_state(state, conn);
2521 struct intel_sdvo_connector_state *old_state =
2522 to_intel_sdvo_connector_state(old_conn_state);
2523 struct intel_sdvo_connector_state *new_state =
2524 to_intel_sdvo_connector_state(new_conn_state);
2525
2526 if (new_conn_state->crtc &&
2527 (memcmp(&old_state->tv, &new_state->tv, sizeof(old_state->tv)) ||
2528 memcmp(&old_conn_state->tv, &new_conn_state->tv, sizeof(old_conn_state->tv)))) {
2529 struct drm_crtc_state *crtc_state =
2530 drm_atomic_get_new_crtc_state(state,
2531 new_conn_state->crtc);
2532
2533 crtc_state->connectors_changed = true;
2534 }
2535
2536 return intel_digital_connector_atomic_check(conn, state);
2537}
2538
2539static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2540 .get_modes = intel_sdvo_get_modes,
2541 .mode_valid = intel_sdvo_mode_valid,
2542 .atomic_check = intel_sdvo_atomic_check,
2543};
2544
2545static void intel_sdvo_encoder_destroy(struct drm_encoder *_encoder)
2546{
2547 struct intel_encoder *encoder = to_intel_encoder(_encoder);
2548 struct intel_sdvo *sdvo = to_sdvo(encoder);
2549 int i;
2550
2551 for (i = 0; i < ARRAY_SIZE(sdvo->ddc); i++) {
2552 if (sdvo->ddc[i].ddc_bus)
2553 i2c_del_adapter(&sdvo->ddc[i].ddc);
2554 }
2555
2556 drm_encoder_cleanup(&encoder->base);
2557 kfree(sdvo);
2558};
2559
2560static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2561 .destroy = intel_sdvo_encoder_destroy,
2562};
2563
2564static int
2565intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo,
2566 struct intel_sdvo_connector *connector)
2567{
2568 u16 mask = 0;
2569 int num_bits;
2570
2571 /*
2572 * Make a mask of outputs less than or equal to our own priority in the
2573 * list.
2574 */
2575 switch (connector->output_flag) {
2576 case SDVO_OUTPUT_LVDS1:
2577 mask |= SDVO_OUTPUT_LVDS1;
2578 fallthrough;
2579 case SDVO_OUTPUT_LVDS0:
2580 mask |= SDVO_OUTPUT_LVDS0;
2581 fallthrough;
2582 case SDVO_OUTPUT_TMDS1:
2583 mask |= SDVO_OUTPUT_TMDS1;
2584 fallthrough;
2585 case SDVO_OUTPUT_TMDS0:
2586 mask |= SDVO_OUTPUT_TMDS0;
2587 fallthrough;
2588 case SDVO_OUTPUT_RGB1:
2589 mask |= SDVO_OUTPUT_RGB1;
2590 fallthrough;
2591 case SDVO_OUTPUT_RGB0:
2592 mask |= SDVO_OUTPUT_RGB0;
2593 break;
2594 }
2595
2596 /* Count bits to find what number we are in the priority list. */
2597 mask &= sdvo->caps.output_flags;
2598 num_bits = hweight16(mask);
2599 /* If more than 3 outputs, default to DDC bus 3 for now. */
2600 if (num_bits > 3)
2601 num_bits = 3;
2602
2603 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2604 return num_bits;
2605}
2606
2607/*
2608 * Choose the appropriate DDC bus for control bus switch command for this
2609 * SDVO output based on the controlled output.
2610 *
2611 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2612 * outputs, then LVDS outputs.
2613 */
2614static struct intel_sdvo_ddc *
2615intel_sdvo_select_ddc_bus(struct intel_sdvo *sdvo,
2616 struct intel_sdvo_connector *connector)
2617{
2618 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
2619 const struct sdvo_device_mapping *mapping;
2620 int ddc_bus;
2621
2622 if (sdvo->base.port == PORT_B)
2623 mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2624 else
2625 mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2626
2627 if (mapping->initialized)
2628 ddc_bus = (mapping->ddc_pin & 0xf0) >> 4;
2629 else
2630 ddc_bus = intel_sdvo_guess_ddc_bus(sdvo, connector);
2631
2632 if (ddc_bus < 1 || ddc_bus > 3)
2633 return NULL;
2634
2635 return &sdvo->ddc[ddc_bus - 1];
2636}
2637
2638static void
2639intel_sdvo_select_i2c_bus(struct intel_sdvo *sdvo)
2640{
2641 struct intel_display *display = to_intel_display(&sdvo->base);
2642 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
2643 const struct sdvo_device_mapping *mapping;
2644 u8 pin;
2645
2646 if (sdvo->base.port == PORT_B)
2647 mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2648 else
2649 mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2650
2651 if (mapping->initialized &&
2652 intel_gmbus_is_valid_pin(display, mapping->i2c_pin))
2653 pin = mapping->i2c_pin;
2654 else
2655 pin = GMBUS_PIN_DPB;
2656
2657 drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] I2C pin %d, target addr 0x%x\n",
2658 sdvo->base.base.base.id, sdvo->base.base.name,
2659 pin, sdvo->target_addr);
2660
2661 sdvo->i2c = intel_gmbus_get_adapter(display, pin);
2662
2663 /*
2664 * With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2665 * our code totally fails once we start using gmbus. Hence fall back to
2666 * bit banging for now.
2667 */
2668 intel_gmbus_force_bit(sdvo->i2c, true);
2669}
2670
2671/* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2672static void
2673intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2674{
2675 intel_gmbus_force_bit(sdvo->i2c, false);
2676}
2677
2678static bool
2679intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo)
2680{
2681 return intel_sdvo_check_supp_encode(intel_sdvo);
2682}
2683
2684static u8
2685intel_sdvo_get_target_addr(struct intel_sdvo *sdvo)
2686{
2687 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
2688 const struct sdvo_device_mapping *my_mapping, *other_mapping;
2689
2690 if (sdvo->base.port == PORT_B) {
2691 my_mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2692 other_mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2693 } else {
2694 my_mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2695 other_mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2696 }
2697
2698 /* If the BIOS described our SDVO device, take advantage of it. */
2699 if (my_mapping->target_addr)
2700 return my_mapping->target_addr;
2701
2702 /*
2703 * If the BIOS only described a different SDVO device, use the
2704 * address that it isn't using.
2705 */
2706 if (other_mapping->target_addr) {
2707 if (other_mapping->target_addr == 0x70)
2708 return 0x72;
2709 else
2710 return 0x70;
2711 }
2712
2713 /*
2714 * No SDVO device info is found for another DVO port,
2715 * so use mapping assumption we had before BIOS parsing.
2716 */
2717 if (sdvo->base.port == PORT_B)
2718 return 0x70;
2719 else
2720 return 0x72;
2721}
2722
2723static int
2724intel_sdvo_init_ddc_proxy(struct intel_sdvo_ddc *ddc,
2725 struct intel_sdvo *sdvo, int bit);
2726
2727static int
2728intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2729 struct intel_sdvo *encoder)
2730{
2731 struct drm_i915_private *i915 = to_i915(encoder->base.base.dev);
2732 struct intel_sdvo_ddc *ddc = NULL;
2733 int ret;
2734
2735 if (HAS_DDC(connector))
2736 ddc = intel_sdvo_select_ddc_bus(encoder, connector);
2737
2738 ret = drm_connector_init_with_ddc(encoder->base.base.dev,
2739 &connector->base.base,
2740 &intel_sdvo_connector_funcs,
2741 connector->base.base.connector_type,
2742 ddc ? &ddc->ddc : NULL);
2743 if (ret < 0)
2744 return ret;
2745
2746 drm_connector_helper_add(&connector->base.base,
2747 &intel_sdvo_connector_helper_funcs);
2748
2749 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2750 connector->base.base.interlace_allowed = true;
2751 connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2752
2753 intel_connector_attach_encoder(&connector->base, &encoder->base);
2754
2755 if (ddc)
2756 drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] using %s\n",
2757 connector->base.base.base.id, connector->base.base.name,
2758 ddc->ddc.name);
2759
2760 return 0;
2761}
2762
2763static void
2764intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
2765 struct intel_sdvo_connector *connector)
2766{
2767 intel_attach_force_audio_property(&connector->base.base);
2768 if (intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220)
2769 intel_attach_broadcast_rgb_property(&connector->base.base);
2770 intel_attach_aspect_ratio_property(&connector->base.base);
2771}
2772
2773static struct intel_sdvo_connector *intel_sdvo_connector_alloc(void)
2774{
2775 struct intel_sdvo_connector *sdvo_connector;
2776 struct intel_sdvo_connector_state *conn_state;
2777
2778 sdvo_connector = kzalloc(sizeof(*sdvo_connector), GFP_KERNEL);
2779 if (!sdvo_connector)
2780 return NULL;
2781
2782 conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL);
2783 if (!conn_state) {
2784 kfree(sdvo_connector);
2785 return NULL;
2786 }
2787
2788 __drm_atomic_helper_connector_reset(&sdvo_connector->base.base,
2789 &conn_state->base.base);
2790
2791 intel_panel_init_alloc(&sdvo_connector->base);
2792
2793 return sdvo_connector;
2794}
2795
2796static bool
2797intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, u16 type)
2798{
2799 struct drm_encoder *encoder = &intel_sdvo->base.base;
2800 struct drm_connector *connector;
2801 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2802 struct drm_i915_private *i915 = to_i915(intel_encoder->base.dev);
2803 struct intel_connector *intel_connector;
2804 struct intel_sdvo_connector *intel_sdvo_connector;
2805
2806 drm_dbg_kms(&i915->drm, "initialising DVI type 0x%x\n", type);
2807
2808 intel_sdvo_connector = intel_sdvo_connector_alloc();
2809 if (!intel_sdvo_connector)
2810 return false;
2811
2812 intel_sdvo_connector->output_flag = type;
2813
2814 intel_connector = &intel_sdvo_connector->base;
2815 connector = &intel_connector->base;
2816 if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2817 intel_sdvo_connector->output_flag) {
2818 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2819 /*
2820 * Some SDVO devices have one-shot hotplug interrupts.
2821 * Ensure that they get re-enabled when an interrupt happens.
2822 */
2823 intel_connector->polled = DRM_CONNECTOR_POLL_HPD;
2824 intel_encoder->hotplug = intel_sdvo_hotplug;
2825 intel_sdvo_enable_hotplug(intel_encoder);
2826 } else {
2827 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2828 }
2829 intel_connector->base.polled = intel_connector->polled;
2830 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2831 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2832
2833 if (intel_sdvo_is_hdmi_connector(intel_sdvo)) {
2834 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2835 intel_sdvo_connector->is_hdmi = true;
2836 }
2837
2838 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2839 kfree(intel_sdvo_connector);
2840 return false;
2841 }
2842
2843 if (intel_sdvo_connector->is_hdmi)
2844 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2845
2846 return true;
2847}
2848
2849static bool
2850intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, u16 type)
2851{
2852 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
2853 struct drm_encoder *encoder = &intel_sdvo->base.base;
2854 struct drm_connector *connector;
2855 struct intel_connector *intel_connector;
2856 struct intel_sdvo_connector *intel_sdvo_connector;
2857
2858 drm_dbg_kms(&i915->drm, "initialising TV type 0x%x\n", type);
2859
2860 intel_sdvo_connector = intel_sdvo_connector_alloc();
2861 if (!intel_sdvo_connector)
2862 return false;
2863
2864 intel_connector = &intel_sdvo_connector->base;
2865 connector = &intel_connector->base;
2866 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2867 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2868
2869 intel_sdvo_connector->output_flag = type;
2870
2871 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2872 kfree(intel_sdvo_connector);
2873 return false;
2874 }
2875
2876 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2877 goto err;
2878
2879 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2880 goto err;
2881
2882 return true;
2883
2884err:
2885 intel_connector_destroy(connector);
2886 return false;
2887}
2888
2889static bool
2890intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, u16 type)
2891{
2892 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
2893 struct drm_encoder *encoder = &intel_sdvo->base.base;
2894 struct drm_connector *connector;
2895 struct intel_connector *intel_connector;
2896 struct intel_sdvo_connector *intel_sdvo_connector;
2897
2898 drm_dbg_kms(&i915->drm, "initialising analog type 0x%x\n", type);
2899
2900 intel_sdvo_connector = intel_sdvo_connector_alloc();
2901 if (!intel_sdvo_connector)
2902 return false;
2903
2904 intel_connector = &intel_sdvo_connector->base;
2905 connector = &intel_connector->base;
2906 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2907 intel_connector->base.polled = intel_connector->polled;
2908 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2909 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2910
2911 intel_sdvo_connector->output_flag = type;
2912
2913 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2914 kfree(intel_sdvo_connector);
2915 return false;
2916 }
2917
2918 return true;
2919}
2920
2921static bool
2922intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, u16 type)
2923{
2924 struct intel_display *display = to_intel_display(&intel_sdvo->base);
2925 struct drm_encoder *encoder = &intel_sdvo->base.base;
2926 struct drm_i915_private *i915 = to_i915(encoder->dev);
2927 struct drm_connector *connector;
2928 struct intel_connector *intel_connector;
2929 struct intel_sdvo_connector *intel_sdvo_connector;
2930
2931 drm_dbg_kms(&i915->drm, "initialising LVDS type 0x%x\n", type);
2932
2933 intel_sdvo_connector = intel_sdvo_connector_alloc();
2934 if (!intel_sdvo_connector)
2935 return false;
2936
2937 intel_connector = &intel_sdvo_connector->base;
2938 connector = &intel_connector->base;
2939 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2940 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2941
2942 intel_sdvo_connector->output_flag = type;
2943
2944 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2945 kfree(intel_sdvo_connector);
2946 return false;
2947 }
2948
2949 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2950 goto err;
2951
2952 intel_bios_init_panel_late(display, &intel_connector->panel, NULL, NULL);
2953
2954 /*
2955 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
2956 * SDVO->LVDS transcoders can't cope with the EDID mode.
2957 */
2958 intel_panel_add_vbt_sdvo_fixed_mode(intel_connector);
2959
2960 if (!intel_panel_preferred_fixed_mode(intel_connector)) {
2961 mutex_lock(&i915->drm.mode_config.mutex);
2962
2963 intel_ddc_get_modes(connector, connector->ddc);
2964 intel_panel_add_edid_fixed_modes(intel_connector, false);
2965
2966 mutex_unlock(&i915->drm.mode_config.mutex);
2967 }
2968
2969 intel_panel_init(intel_connector, NULL);
2970
2971 if (!intel_panel_preferred_fixed_mode(intel_connector))
2972 goto err;
2973
2974 return true;
2975
2976err:
2977 intel_connector_destroy(connector);
2978 return false;
2979}
2980
2981static u16 intel_sdvo_filter_output_flags(u16 flags)
2982{
2983 flags &= SDVO_OUTPUT_MASK;
2984
2985 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2986 if (!(flags & SDVO_OUTPUT_TMDS0))
2987 flags &= ~SDVO_OUTPUT_TMDS1;
2988
2989 if (!(flags & SDVO_OUTPUT_RGB0))
2990 flags &= ~SDVO_OUTPUT_RGB1;
2991
2992 if (!(flags & SDVO_OUTPUT_LVDS0))
2993 flags &= ~SDVO_OUTPUT_LVDS1;
2994
2995 return flags;
2996}
2997
2998static bool intel_sdvo_output_init(struct intel_sdvo *sdvo, u16 type)
2999{
3000 if (type & SDVO_TMDS_MASK)
3001 return intel_sdvo_dvi_init(sdvo, type);
3002 else if (type & SDVO_TV_MASK)
3003 return intel_sdvo_tv_init(sdvo, type);
3004 else if (type & SDVO_RGB_MASK)
3005 return intel_sdvo_analog_init(sdvo, type);
3006 else if (type & SDVO_LVDS_MASK)
3007 return intel_sdvo_lvds_init(sdvo, type);
3008 else
3009 return false;
3010}
3011
3012static bool
3013intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo)
3014{
3015 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
3016 static const u16 probe_order[] = {
3017 SDVO_OUTPUT_TMDS0,
3018 SDVO_OUTPUT_TMDS1,
3019 /* TV has no XXX1 function block */
3020 SDVO_OUTPUT_SVID0,
3021 SDVO_OUTPUT_CVBS0,
3022 SDVO_OUTPUT_YPRPB0,
3023 SDVO_OUTPUT_RGB0,
3024 SDVO_OUTPUT_RGB1,
3025 SDVO_OUTPUT_LVDS0,
3026 SDVO_OUTPUT_LVDS1,
3027 };
3028 u16 flags;
3029 int i;
3030
3031 flags = intel_sdvo_filter_output_flags(intel_sdvo->caps.output_flags);
3032
3033 if (flags == 0) {
3034 drm_dbg_kms(&i915->drm,
3035 "%s: Unknown SDVO output type (0x%04x)\n",
3036 SDVO_NAME(intel_sdvo), intel_sdvo->caps.output_flags);
3037 return false;
3038 }
3039
3040 for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
3041 u16 type = flags & probe_order[i];
3042
3043 if (!type)
3044 continue;
3045
3046 if (!intel_sdvo_output_init(intel_sdvo, type))
3047 return false;
3048 }
3049
3050 intel_sdvo->base.pipe_mask = ~0;
3051
3052 return true;
3053}
3054
3055static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
3056{
3057 struct drm_device *dev = intel_sdvo->base.base.dev;
3058 struct drm_connector *connector, *tmp;
3059
3060 list_for_each_entry_safe(connector, tmp,
3061 &dev->mode_config.connector_list, head) {
3062 if (intel_attached_encoder(to_intel_connector(connector)) == &intel_sdvo->base) {
3063 drm_connector_unregister(connector);
3064 intel_connector_destroy(connector);
3065 }
3066 }
3067}
3068
3069static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
3070 struct intel_sdvo_connector *intel_sdvo_connector,
3071 int type)
3072{
3073 struct drm_device *dev = intel_sdvo->base.base.dev;
3074 struct intel_sdvo_tv_format format;
3075 u32 format_map, i;
3076
3077 if (!intel_sdvo_set_target_output(intel_sdvo, type))
3078 return false;
3079
3080 BUILD_BUG_ON(sizeof(format) != 6);
3081 if (!intel_sdvo_get_value(intel_sdvo,
3082 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
3083 &format, sizeof(format)))
3084 return false;
3085
3086 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
3087
3088 if (format_map == 0)
3089 return false;
3090
3091 intel_sdvo_connector->format_supported_num = 0;
3092 for (i = 0 ; i < TV_FORMAT_NUM; i++)
3093 if (format_map & (1 << i))
3094 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
3095
3096
3097 intel_sdvo_connector->tv_format =
3098 drm_property_create(dev, DRM_MODE_PROP_ENUM,
3099 "mode", intel_sdvo_connector->format_supported_num);
3100 if (!intel_sdvo_connector->tv_format)
3101 return false;
3102
3103 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
3104 drm_property_add_enum(intel_sdvo_connector->tv_format, i,
3105 tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
3106
3107 intel_sdvo_connector->base.base.state->tv.legacy_mode = intel_sdvo_connector->tv_format_supported[0];
3108 drm_object_attach_property(&intel_sdvo_connector->base.base.base,
3109 intel_sdvo_connector->tv_format, 0);
3110 return true;
3111
3112}
3113
3114#define _ENHANCEMENT(state_assignment, name, NAME) do { \
3115 if (enhancements.name) { \
3116 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
3117 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
3118 return false; \
3119 intel_sdvo_connector->name = \
3120 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
3121 if (!intel_sdvo_connector->name) return false; \
3122 state_assignment = response; \
3123 drm_object_attach_property(&connector->base, \
3124 intel_sdvo_connector->name, 0); \
3125 drm_dbg_kms(dev, #name ": max %d, default %d, current %d\n", \
3126 data_value[0], data_value[1], response); \
3127 } \
3128} while (0)
3129
3130#define ENHANCEMENT(state, name, NAME) _ENHANCEMENT((state)->name, name, NAME)
3131
3132static bool
3133intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
3134 struct intel_sdvo_connector *intel_sdvo_connector,
3135 struct intel_sdvo_enhancements_reply enhancements)
3136{
3137 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
3138 struct drm_device *dev = intel_sdvo->base.base.dev;
3139 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3140 struct drm_connector_state *conn_state = connector->state;
3141 struct intel_sdvo_connector_state *sdvo_state =
3142 to_intel_sdvo_connector_state(conn_state);
3143 u16 response, data_value[2];
3144
3145 /* when horizontal overscan is supported, Add the left/right property */
3146 if (enhancements.overscan_h) {
3147 if (!intel_sdvo_get_value(intel_sdvo,
3148 SDVO_CMD_GET_MAX_OVERSCAN_H,
3149 &data_value, 4))
3150 return false;
3151
3152 if (!intel_sdvo_get_value(intel_sdvo,
3153 SDVO_CMD_GET_OVERSCAN_H,
3154 &response, 2))
3155 return false;
3156
3157 sdvo_state->tv.overscan_h = response;
3158
3159 intel_sdvo_connector->max_hscan = data_value[0];
3160 intel_sdvo_connector->left =
3161 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
3162 if (!intel_sdvo_connector->left)
3163 return false;
3164
3165 drm_object_attach_property(&connector->base,
3166 intel_sdvo_connector->left, 0);
3167
3168 intel_sdvo_connector->right =
3169 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
3170 if (!intel_sdvo_connector->right)
3171 return false;
3172
3173 drm_object_attach_property(&connector->base,
3174 intel_sdvo_connector->right, 0);
3175 drm_dbg_kms(&i915->drm, "h_overscan: max %d, default %d, current %d\n",
3176 data_value[0], data_value[1], response);
3177 }
3178
3179 if (enhancements.overscan_v) {
3180 if (!intel_sdvo_get_value(intel_sdvo,
3181 SDVO_CMD_GET_MAX_OVERSCAN_V,
3182 &data_value, 4))
3183 return false;
3184
3185 if (!intel_sdvo_get_value(intel_sdvo,
3186 SDVO_CMD_GET_OVERSCAN_V,
3187 &response, 2))
3188 return false;
3189
3190 sdvo_state->tv.overscan_v = response;
3191
3192 intel_sdvo_connector->max_vscan = data_value[0];
3193 intel_sdvo_connector->top =
3194 drm_property_create_range(dev, 0,
3195 "top_margin", 0, data_value[0]);
3196 if (!intel_sdvo_connector->top)
3197 return false;
3198
3199 drm_object_attach_property(&connector->base,
3200 intel_sdvo_connector->top, 0);
3201
3202 intel_sdvo_connector->bottom =
3203 drm_property_create_range(dev, 0,
3204 "bottom_margin", 0, data_value[0]);
3205 if (!intel_sdvo_connector->bottom)
3206 return false;
3207
3208 drm_object_attach_property(&connector->base,
3209 intel_sdvo_connector->bottom, 0);
3210 drm_dbg_kms(&i915->drm, "v_overscan: max %d, default %d, current %d\n",
3211 data_value[0], data_value[1], response);
3212 }
3213
3214 ENHANCEMENT(&sdvo_state->tv, hpos, HPOS);
3215 ENHANCEMENT(&sdvo_state->tv, vpos, VPOS);
3216 ENHANCEMENT(&conn_state->tv, saturation, SATURATION);
3217 ENHANCEMENT(&conn_state->tv, contrast, CONTRAST);
3218 ENHANCEMENT(&conn_state->tv, hue, HUE);
3219 ENHANCEMENT(&conn_state->tv, brightness, BRIGHTNESS);
3220 ENHANCEMENT(&sdvo_state->tv, sharpness, SHARPNESS);
3221 ENHANCEMENT(&sdvo_state->tv, flicker_filter, FLICKER_FILTER);
3222 ENHANCEMENT(&sdvo_state->tv, flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
3223 ENHANCEMENT(&sdvo_state->tv, flicker_filter_2d, FLICKER_FILTER_2D);
3224 _ENHANCEMENT(sdvo_state->tv.chroma_filter, tv_chroma_filter, TV_CHROMA_FILTER);
3225 _ENHANCEMENT(sdvo_state->tv.luma_filter, tv_luma_filter, TV_LUMA_FILTER);
3226
3227 if (enhancements.dot_crawl) {
3228 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
3229 return false;
3230
3231 sdvo_state->tv.dot_crawl = response & 0x1;
3232 intel_sdvo_connector->dot_crawl =
3233 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
3234 if (!intel_sdvo_connector->dot_crawl)
3235 return false;
3236
3237 drm_object_attach_property(&connector->base,
3238 intel_sdvo_connector->dot_crawl, 0);
3239 drm_dbg_kms(&i915->drm, "dot crawl: current %d\n", response);
3240 }
3241
3242 return true;
3243}
3244
3245static bool
3246intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
3247 struct intel_sdvo_connector *intel_sdvo_connector,
3248 struct intel_sdvo_enhancements_reply enhancements)
3249{
3250 struct drm_device *dev = intel_sdvo->base.base.dev;
3251 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3252 u16 response, data_value[2];
3253
3254 ENHANCEMENT(&connector->state->tv, brightness, BRIGHTNESS);
3255
3256 return true;
3257}
3258#undef ENHANCEMENT
3259#undef _ENHANCEMENT
3260
3261static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
3262 struct intel_sdvo_connector *intel_sdvo_connector)
3263{
3264 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
3265 union {
3266 struct intel_sdvo_enhancements_reply reply;
3267 u16 response;
3268 } enhancements;
3269
3270 BUILD_BUG_ON(sizeof(enhancements) != 2);
3271
3272 if (!intel_sdvo_get_value(intel_sdvo,
3273 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
3274 &enhancements, sizeof(enhancements)) ||
3275 enhancements.response == 0) {
3276 drm_dbg_kms(&i915->drm, "No enhancement is supported\n");
3277 return true;
3278 }
3279
3280 if (IS_TV(intel_sdvo_connector))
3281 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3282 else if (IS_LVDS(intel_sdvo_connector))
3283 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3284 else
3285 return true;
3286}
3287
3288static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
3289 struct i2c_msg *msgs,
3290 int num)
3291{
3292 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3293 struct intel_sdvo *sdvo = ddc->sdvo;
3294
3295 if (!__intel_sdvo_set_control_bus_switch(sdvo, 1 << ddc->ddc_bus))
3296 return -EIO;
3297
3298 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
3299}
3300
3301static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
3302{
3303 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3304 struct intel_sdvo *sdvo = ddc->sdvo;
3305
3306 return sdvo->i2c->algo->functionality(sdvo->i2c);
3307}
3308
3309static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
3310 .master_xfer = intel_sdvo_ddc_proxy_xfer,
3311 .functionality = intel_sdvo_ddc_proxy_func
3312};
3313
3314static void proxy_lock_bus(struct i2c_adapter *adapter,
3315 unsigned int flags)
3316{
3317 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3318 struct intel_sdvo *sdvo = ddc->sdvo;
3319
3320 sdvo->i2c->lock_ops->lock_bus(sdvo->i2c, flags);
3321}
3322
3323static int proxy_trylock_bus(struct i2c_adapter *adapter,
3324 unsigned int flags)
3325{
3326 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3327 struct intel_sdvo *sdvo = ddc->sdvo;
3328
3329 return sdvo->i2c->lock_ops->trylock_bus(sdvo->i2c, flags);
3330}
3331
3332static void proxy_unlock_bus(struct i2c_adapter *adapter,
3333 unsigned int flags)
3334{
3335 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3336 struct intel_sdvo *sdvo = ddc->sdvo;
3337
3338 sdvo->i2c->lock_ops->unlock_bus(sdvo->i2c, flags);
3339}
3340
3341static const struct i2c_lock_operations proxy_lock_ops = {
3342 .lock_bus = proxy_lock_bus,
3343 .trylock_bus = proxy_trylock_bus,
3344 .unlock_bus = proxy_unlock_bus,
3345};
3346
3347static int
3348intel_sdvo_init_ddc_proxy(struct intel_sdvo_ddc *ddc,
3349 struct intel_sdvo *sdvo, int ddc_bus)
3350{
3351 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
3352 struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
3353
3354 ddc->sdvo = sdvo;
3355 ddc->ddc_bus = ddc_bus;
3356
3357 ddc->ddc.owner = THIS_MODULE;
3358 snprintf(ddc->ddc.name, I2C_NAME_SIZE, "SDVO %c DDC%d",
3359 port_name(sdvo->base.port), ddc_bus);
3360 ddc->ddc.dev.parent = &pdev->dev;
3361 ddc->ddc.algo_data = ddc;
3362 ddc->ddc.algo = &intel_sdvo_ddc_proxy;
3363 ddc->ddc.lock_ops = &proxy_lock_ops;
3364
3365 return i2c_add_adapter(&ddc->ddc);
3366}
3367
3368static bool is_sdvo_port_valid(struct drm_i915_private *dev_priv, enum port port)
3369{
3370 if (HAS_PCH_SPLIT(dev_priv))
3371 return port == PORT_B;
3372 else
3373 return port == PORT_B || port == PORT_C;
3374}
3375
3376static bool assert_sdvo_port_valid(struct drm_i915_private *dev_priv,
3377 enum port port)
3378{
3379 return !drm_WARN(&dev_priv->drm, !is_sdvo_port_valid(dev_priv, port),
3380 "Platform does not support SDVO %c\n", port_name(port));
3381}
3382
3383bool intel_sdvo_init(struct drm_i915_private *dev_priv,
3384 i915_reg_t sdvo_reg, enum port port)
3385{
3386 struct intel_encoder *intel_encoder;
3387 struct intel_sdvo *intel_sdvo;
3388 int i;
3389
3390 if (!assert_port_valid(dev_priv, port))
3391 return false;
3392
3393 if (!assert_sdvo_port_valid(dev_priv, port))
3394 return false;
3395
3396 intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL);
3397 if (!intel_sdvo)
3398 return false;
3399
3400 /* encoder type will be decided later */
3401 intel_encoder = &intel_sdvo->base;
3402 intel_encoder->type = INTEL_OUTPUT_SDVO;
3403 intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER;
3404 intel_encoder->port = port;
3405
3406 drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
3407 &intel_sdvo_enc_funcs, 0,
3408 "SDVO %c", port_name(port));
3409
3410 intel_sdvo->sdvo_reg = sdvo_reg;
3411 intel_sdvo->target_addr = intel_sdvo_get_target_addr(intel_sdvo) >> 1;
3412
3413 intel_sdvo_select_i2c_bus(intel_sdvo);
3414
3415 /* Read the regs to test if we can talk to the device */
3416 for (i = 0; i < 0x40; i++) {
3417 u8 byte;
3418
3419 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
3420 drm_dbg_kms(&dev_priv->drm,
3421 "No SDVO device found on %s\n",
3422 SDVO_NAME(intel_sdvo));
3423 goto err;
3424 }
3425 }
3426
3427 intel_encoder->compute_config = intel_sdvo_compute_config;
3428 if (HAS_PCH_SPLIT(dev_priv)) {
3429 intel_encoder->disable = pch_disable_sdvo;
3430 intel_encoder->post_disable = pch_post_disable_sdvo;
3431 } else {
3432 intel_encoder->disable = intel_disable_sdvo;
3433 }
3434 intel_encoder->pre_enable = intel_sdvo_pre_enable;
3435 intel_encoder->enable = intel_enable_sdvo;
3436 intel_encoder->audio_enable = intel_sdvo_enable_audio;
3437 intel_encoder->audio_disable = intel_sdvo_disable_audio;
3438 intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
3439 intel_encoder->get_config = intel_sdvo_get_config;
3440
3441 /* In default case sdvo lvds is false */
3442 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
3443 goto err;
3444
3445 intel_sdvo->colorimetry_cap =
3446 intel_sdvo_get_colorimetry_cap(intel_sdvo);
3447
3448 for (i = 0; i < ARRAY_SIZE(intel_sdvo->ddc); i++) {
3449 int ret;
3450
3451 ret = intel_sdvo_init_ddc_proxy(&intel_sdvo->ddc[i],
3452 intel_sdvo, i + 1);
3453 if (ret)
3454 goto err;
3455 }
3456
3457 if (!intel_sdvo_output_setup(intel_sdvo)) {
3458 drm_dbg_kms(&dev_priv->drm,
3459 "SDVO output failed to setup on %s\n",
3460 SDVO_NAME(intel_sdvo));
3461 /* Output_setup can leave behind connectors! */
3462 goto err_output;
3463 }
3464
3465 /*
3466 * Only enable the hotplug irq if we need it, to work around noisy
3467 * hotplug lines.
3468 */
3469 if (intel_sdvo->hotplug_active) {
3470 if (intel_sdvo->base.port == PORT_B)
3471 intel_encoder->hpd_pin = HPD_SDVO_B;
3472 else
3473 intel_encoder->hpd_pin = HPD_SDVO_C;
3474 }
3475
3476 /*
3477 * Cloning SDVO with anything is often impossible, since the SDVO
3478 * encoder can request a special input timing mode. And even if that's
3479 * not the case we have evidence that cloning a plain unscaled mode with
3480 * VGA doesn't really work. Furthermore the cloning flags are way too
3481 * simplistic anyway to express such constraints, so just give up on
3482 * cloning for SDVO encoders.
3483 */
3484 intel_sdvo->base.cloneable = 0;
3485
3486 /* Set the input timing to the screen. Assume always input 0. */
3487 if (!intel_sdvo_set_target_input(intel_sdvo))
3488 goto err_output;
3489
3490 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
3491 &intel_sdvo->pixel_clock_min,
3492 &intel_sdvo->pixel_clock_max))
3493 goto err_output;
3494
3495 drm_dbg_kms(&dev_priv->drm, "%s device VID/DID: %02X:%02X.%02X, "
3496 "clock range %dMHz - %dMHz, "
3497 "num inputs: %d, "
3498 "output 1: %c, output 2: %c\n",
3499 SDVO_NAME(intel_sdvo),
3500 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
3501 intel_sdvo->caps.device_rev_id,
3502 intel_sdvo->pixel_clock_min / 1000,
3503 intel_sdvo->pixel_clock_max / 1000,
3504 intel_sdvo->caps.sdvo_num_inputs,
3505 /* check currently supported outputs */
3506 intel_sdvo->caps.output_flags &
3507 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0 |
3508 SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_SVID0 |
3509 SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB0) ? 'Y' : 'N',
3510 intel_sdvo->caps.output_flags &
3511 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1 |
3512 SDVO_OUTPUT_LVDS1) ? 'Y' : 'N');
3513 return true;
3514
3515err_output:
3516 intel_sdvo_output_cleanup(intel_sdvo);
3517err:
3518 intel_sdvo_unselect_i2c_bus(intel_sdvo);
3519 intel_sdvo_encoder_destroy(&intel_encoder->base);
3520
3521 return false;
3522}
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
38#include "i915_drv.h"
39#include "intel_atomic.h"
40#include "intel_connector.h"
41#include "intel_crtc.h"
42#include "intel_de.h"
43#include "intel_display_types.h"
44#include "intel_fifo_underrun.h"
45#include "intel_gmbus.h"
46#include "intel_hdmi.h"
47#include "intel_hotplug.h"
48#include "intel_panel.h"
49#include "intel_sdvo.h"
50#include "intel_sdvo_regs.h"
51
52#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
53#define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
54#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
55#define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
56
57#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
58 SDVO_TV_MASK)
59
60#define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
61#define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
62#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
63#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
64#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
65
66
67static const char * const tv_format_names[] = {
68 "NTSC_M" , "NTSC_J" , "NTSC_443",
69 "PAL_B" , "PAL_D" , "PAL_G" ,
70 "PAL_H" , "PAL_I" , "PAL_M" ,
71 "PAL_N" , "PAL_NC" , "PAL_60" ,
72 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
73 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
74 "SECAM_60"
75};
76
77#define TV_FORMAT_NUM ARRAY_SIZE(tv_format_names)
78
79struct intel_sdvo {
80 struct intel_encoder base;
81
82 struct i2c_adapter *i2c;
83 u8 slave_addr;
84
85 struct i2c_adapter ddc;
86
87 /* Register for the SDVO device: SDVOB or SDVOC */
88 i915_reg_t sdvo_reg;
89
90 /* Active outputs controlled by this SDVO output */
91 u16 controlled_output;
92
93 /*
94 * Capabilities of the SDVO device returned by
95 * intel_sdvo_get_capabilities()
96 */
97 struct intel_sdvo_caps caps;
98
99 u8 colorimetry_cap;
100
101 /* Pixel clock limitations reported by the SDVO device, in kHz */
102 int pixel_clock_min, pixel_clock_max;
103
104 /*
105 * For multiple function SDVO device,
106 * this is for current attached outputs.
107 */
108 u16 attached_output;
109
110 /*
111 * Hotplug activation bits for this device
112 */
113 u16 hotplug_active;
114
115 enum port port;
116
117 bool has_hdmi_monitor;
118 bool has_hdmi_audio;
119
120 /* DDC bus used by this SDVO encoder */
121 u8 ddc_bus;
122
123 /*
124 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
125 */
126 u8 dtd_sdvo_flags;
127};
128
129struct intel_sdvo_connector {
130 struct intel_connector base;
131
132 /* Mark the type of connector */
133 u16 output_flag;
134
135 /* This contains all current supported TV format */
136 u8 tv_format_supported[TV_FORMAT_NUM];
137 int format_supported_num;
138 struct drm_property *tv_format;
139
140 /* add the property for the SDVO-TV */
141 struct drm_property *left;
142 struct drm_property *right;
143 struct drm_property *top;
144 struct drm_property *bottom;
145 struct drm_property *hpos;
146 struct drm_property *vpos;
147 struct drm_property *contrast;
148 struct drm_property *saturation;
149 struct drm_property *hue;
150 struct drm_property *sharpness;
151 struct drm_property *flicker_filter;
152 struct drm_property *flicker_filter_adaptive;
153 struct drm_property *flicker_filter_2d;
154 struct drm_property *tv_chroma_filter;
155 struct drm_property *tv_luma_filter;
156 struct drm_property *dot_crawl;
157
158 /* add the property for the SDVO-TV/LVDS */
159 struct drm_property *brightness;
160
161 /* this is to get the range of margin.*/
162 u32 max_hscan, max_vscan;
163
164 /**
165 * This is set if we treat the device as HDMI, instead of DVI.
166 */
167 bool is_hdmi;
168};
169
170struct intel_sdvo_connector_state {
171 /* base.base: tv.saturation/contrast/hue/brightness */
172 struct intel_digital_connector_state base;
173
174 struct {
175 unsigned overscan_h, overscan_v, hpos, vpos, sharpness;
176 unsigned flicker_filter, flicker_filter_2d, flicker_filter_adaptive;
177 unsigned chroma_filter, luma_filter, dot_crawl;
178 } tv;
179};
180
181static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder)
182{
183 return container_of(encoder, struct intel_sdvo, base);
184}
185
186static struct intel_sdvo *intel_attached_sdvo(struct intel_connector *connector)
187{
188 return to_sdvo(intel_attached_encoder(connector));
189}
190
191static struct intel_sdvo_connector *
192to_intel_sdvo_connector(struct drm_connector *connector)
193{
194 return container_of(connector, struct intel_sdvo_connector, base.base);
195}
196
197#define to_intel_sdvo_connector_state(conn_state) \
198 container_of((conn_state), struct intel_sdvo_connector_state, base.base)
199
200static bool
201intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags);
202static bool
203intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
204 struct intel_sdvo_connector *intel_sdvo_connector,
205 int type);
206static bool
207intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
208 struct intel_sdvo_connector *intel_sdvo_connector);
209
210/*
211 * Writes the SDVOB or SDVOC with the given value, but always writes both
212 * SDVOB and SDVOC to work around apparent hardware issues (according to
213 * comments in the BIOS).
214 */
215static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
216{
217 struct drm_device *dev = intel_sdvo->base.base.dev;
218 struct drm_i915_private *dev_priv = to_i915(dev);
219 u32 bval = val, cval = val;
220 int i;
221
222 if (HAS_PCH_SPLIT(dev_priv)) {
223 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val);
224 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg);
225 /*
226 * HW workaround, need to write this twice for issue
227 * that may result in first write getting masked.
228 */
229 if (HAS_PCH_IBX(dev_priv)) {
230 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val);
231 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg);
232 }
233 return;
234 }
235
236 if (intel_sdvo->port == PORT_B)
237 cval = intel_de_read(dev_priv, GEN3_SDVOC);
238 else
239 bval = intel_de_read(dev_priv, GEN3_SDVOB);
240
241 /*
242 * Write the registers twice for luck. Sometimes,
243 * writing them only once doesn't appear to 'stick'.
244 * The BIOS does this too. Yay, magic
245 */
246 for (i = 0; i < 2; i++) {
247 intel_de_write(dev_priv, GEN3_SDVOB, bval);
248 intel_de_posting_read(dev_priv, GEN3_SDVOB);
249
250 intel_de_write(dev_priv, GEN3_SDVOC, cval);
251 intel_de_posting_read(dev_priv, GEN3_SDVOC);
252 }
253}
254
255static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
256{
257 struct i2c_msg msgs[] = {
258 {
259 .addr = intel_sdvo->slave_addr,
260 .flags = 0,
261 .len = 1,
262 .buf = &addr,
263 },
264 {
265 .addr = intel_sdvo->slave_addr,
266 .flags = I2C_M_RD,
267 .len = 1,
268 .buf = ch,
269 }
270 };
271 int ret;
272
273 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
274 return true;
275
276 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
277 return false;
278}
279
280#define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ }
281
282/** Mapping of command numbers to names, for debug output */
283static const struct {
284 u8 cmd;
285 const char *name;
286} __attribute__ ((packed)) sdvo_cmd_names[] = {
287 SDVO_CMD_NAME_ENTRY(RESET),
288 SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS),
289 SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV),
290 SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS),
291 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS),
292 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS),
293 SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP),
294 SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP),
295 SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS),
296 SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT),
297 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG),
298 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG),
299 SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE),
300 SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT),
301 SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT),
302 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1),
303 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2),
304 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1),
305 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2),
306 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1),
307 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2),
308 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1),
309 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2),
310 SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING),
311 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1),
312 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2),
313 SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE),
314 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE),
315 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS),
316 SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT),
317 SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT),
318 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS),
319 SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT),
320 SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT),
321 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES),
322 SDVO_CMD_NAME_ENTRY(GET_POWER_STATE),
323 SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE),
324 SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE),
325 SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH),
326 SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT),
327 SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT),
328 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS),
329
330 /* Add the op code for SDVO enhancements */
331 SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS),
332 SDVO_CMD_NAME_ENTRY(GET_HPOS),
333 SDVO_CMD_NAME_ENTRY(SET_HPOS),
334 SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS),
335 SDVO_CMD_NAME_ENTRY(GET_VPOS),
336 SDVO_CMD_NAME_ENTRY(SET_VPOS),
337 SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION),
338 SDVO_CMD_NAME_ENTRY(GET_SATURATION),
339 SDVO_CMD_NAME_ENTRY(SET_SATURATION),
340 SDVO_CMD_NAME_ENTRY(GET_MAX_HUE),
341 SDVO_CMD_NAME_ENTRY(GET_HUE),
342 SDVO_CMD_NAME_ENTRY(SET_HUE),
343 SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST),
344 SDVO_CMD_NAME_ENTRY(GET_CONTRAST),
345 SDVO_CMD_NAME_ENTRY(SET_CONTRAST),
346 SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS),
347 SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS),
348 SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS),
349 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H),
350 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H),
351 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H),
352 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V),
353 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V),
354 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V),
355 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER),
356 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER),
357 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER),
358 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE),
359 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE),
360 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE),
361 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D),
362 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D),
363 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D),
364 SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS),
365 SDVO_CMD_NAME_ENTRY(GET_SHARPNESS),
366 SDVO_CMD_NAME_ENTRY(SET_SHARPNESS),
367 SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL),
368 SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL),
369 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER),
370 SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER),
371 SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER),
372 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER),
373 SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER),
374 SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER),
375
376 /* HDMI op code */
377 SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE),
378 SDVO_CMD_NAME_ENTRY(GET_ENCODE),
379 SDVO_CMD_NAME_ENTRY(SET_ENCODE),
380 SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI),
381 SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI),
382 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP),
383 SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY),
384 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY),
385 SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER),
386 SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT),
387 SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT),
388 SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX),
389 SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX),
390 SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO),
391 SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT),
392 SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT),
393 SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE),
394 SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE),
395 SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA),
396 SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA),
397};
398
399#undef SDVO_CMD_NAME_ENTRY
400
401static const char *sdvo_cmd_name(u8 cmd)
402{
403 int i;
404
405 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
406 if (cmd == sdvo_cmd_names[i].cmd)
407 return sdvo_cmd_names[i].name;
408 }
409
410 return NULL;
411}
412
413#define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC")
414
415static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
416 const void *args, int args_len)
417{
418 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
419 const char *cmd_name;
420 int i, pos = 0;
421 char buffer[64];
422
423#define BUF_PRINT(args...) \
424 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args)
425
426 for (i = 0; i < args_len; i++) {
427 BUF_PRINT("%02X ", ((u8 *)args)[i]);
428 }
429 for (; i < 8; i++) {
430 BUF_PRINT(" ");
431 }
432
433 cmd_name = sdvo_cmd_name(cmd);
434 if (cmd_name)
435 BUF_PRINT("(%s)", cmd_name);
436 else
437 BUF_PRINT("(%02X)", cmd);
438
439 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
440#undef BUF_PRINT
441
442 DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer);
443}
444
445static const char * const cmd_status_names[] = {
446 [SDVO_CMD_STATUS_POWER_ON] = "Power on",
447 [SDVO_CMD_STATUS_SUCCESS] = "Success",
448 [SDVO_CMD_STATUS_NOTSUPP] = "Not supported",
449 [SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg",
450 [SDVO_CMD_STATUS_PENDING] = "Pending",
451 [SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified",
452 [SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported",
453};
454
455static const char *sdvo_cmd_status(u8 status)
456{
457 if (status < ARRAY_SIZE(cmd_status_names))
458 return cmd_status_names[status];
459 else
460 return NULL;
461}
462
463static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
464 const void *args, int args_len,
465 bool unlocked)
466{
467 u8 *buf, status;
468 struct i2c_msg *msgs;
469 int i, ret = true;
470
471 /* Would be simpler to allocate both in one go ? */
472 buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
473 if (!buf)
474 return false;
475
476 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
477 if (!msgs) {
478 kfree(buf);
479 return false;
480 }
481
482 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
483
484 for (i = 0; i < args_len; i++) {
485 msgs[i].addr = intel_sdvo->slave_addr;
486 msgs[i].flags = 0;
487 msgs[i].len = 2;
488 msgs[i].buf = buf + 2 *i;
489 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
490 buf[2*i + 1] = ((u8*)args)[i];
491 }
492 msgs[i].addr = intel_sdvo->slave_addr;
493 msgs[i].flags = 0;
494 msgs[i].len = 2;
495 msgs[i].buf = buf + 2*i;
496 buf[2*i + 0] = SDVO_I2C_OPCODE;
497 buf[2*i + 1] = cmd;
498
499 /* the following two are to read the response */
500 status = SDVO_I2C_CMD_STATUS;
501 msgs[i+1].addr = intel_sdvo->slave_addr;
502 msgs[i+1].flags = 0;
503 msgs[i+1].len = 1;
504 msgs[i+1].buf = &status;
505
506 msgs[i+2].addr = intel_sdvo->slave_addr;
507 msgs[i+2].flags = I2C_M_RD;
508 msgs[i+2].len = 1;
509 msgs[i+2].buf = &status;
510
511 if (unlocked)
512 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
513 else
514 ret = __i2c_transfer(intel_sdvo->i2c, msgs, i+3);
515 if (ret < 0) {
516 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
517 ret = false;
518 goto out;
519 }
520 if (ret != i+3) {
521 /* failure in I2C transfer */
522 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
523 ret = false;
524 }
525
526out:
527 kfree(msgs);
528 kfree(buf);
529 return ret;
530}
531
532static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
533 const void *args, int args_len)
534{
535 return __intel_sdvo_write_cmd(intel_sdvo, cmd, args, args_len, true);
536}
537
538static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
539 void *response, int response_len)
540{
541 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
542 const char *cmd_status;
543 u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
544 u8 status;
545 int i, pos = 0;
546 char buffer[64];
547
548 buffer[0] = '\0';
549
550 /*
551 * The documentation states that all commands will be
552 * processed within 15µs, and that we need only poll
553 * the status byte a maximum of 3 times in order for the
554 * command to be complete.
555 *
556 * Check 5 times in case the hardware failed to read the docs.
557 *
558 * Also beware that the first response by many devices is to
559 * reply PENDING and stall for time. TVs are notorious for
560 * requiring longer than specified to complete their replies.
561 * Originally (in the DDX long ago), the delay was only ever 15ms
562 * with an additional delay of 30ms applied for TVs added later after
563 * many experiments. To accommodate both sets of delays, we do a
564 * sequence of slow checks if the device is falling behind and fails
565 * to reply within 5*15µs.
566 */
567 if (!intel_sdvo_read_byte(intel_sdvo,
568 SDVO_I2C_CMD_STATUS,
569 &status))
570 goto log_fail;
571
572 while ((status == SDVO_CMD_STATUS_PENDING ||
573 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) {
574 if (retry < 10)
575 msleep(15);
576 else
577 udelay(15);
578
579 if (!intel_sdvo_read_byte(intel_sdvo,
580 SDVO_I2C_CMD_STATUS,
581 &status))
582 goto log_fail;
583 }
584
585#define BUF_PRINT(args...) \
586 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args)
587
588 cmd_status = sdvo_cmd_status(status);
589 if (cmd_status)
590 BUF_PRINT("(%s)", cmd_status);
591 else
592 BUF_PRINT("(??? %d)", status);
593
594 if (status != SDVO_CMD_STATUS_SUCCESS)
595 goto log_fail;
596
597 /* Read the command response */
598 for (i = 0; i < response_len; i++) {
599 if (!intel_sdvo_read_byte(intel_sdvo,
600 SDVO_I2C_RETURN_0 + i,
601 &((u8 *)response)[i]))
602 goto log_fail;
603 BUF_PRINT(" %02X", ((u8 *)response)[i]);
604 }
605
606 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
607#undef BUF_PRINT
608
609 DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer);
610 return true;
611
612log_fail:
613 DRM_DEBUG_KMS("%s: R: ... failed %s\n",
614 SDVO_NAME(intel_sdvo), buffer);
615 return false;
616}
617
618static int intel_sdvo_get_pixel_multiplier(const struct drm_display_mode *adjusted_mode)
619{
620 if (adjusted_mode->crtc_clock >= 100000)
621 return 1;
622 else if (adjusted_mode->crtc_clock >= 50000)
623 return 2;
624 else
625 return 4;
626}
627
628static bool __intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
629 u8 ddc_bus)
630{
631 /* This must be the immediately preceding write before the i2c xfer */
632 return __intel_sdvo_write_cmd(intel_sdvo,
633 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
634 &ddc_bus, 1, false);
635}
636
637static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
638{
639 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
640 return false;
641
642 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
643}
644
645static bool
646intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
647{
648 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
649 return false;
650
651 return intel_sdvo_read_response(intel_sdvo, value, len);
652}
653
654static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
655{
656 struct intel_sdvo_set_target_input_args targets = {0};
657 return intel_sdvo_set_value(intel_sdvo,
658 SDVO_CMD_SET_TARGET_INPUT,
659 &targets, sizeof(targets));
660}
661
662/*
663 * Return whether each input is trained.
664 *
665 * This function is making an assumption about the layout of the response,
666 * which should be checked against the docs.
667 */
668static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
669{
670 struct intel_sdvo_get_trained_inputs_response response;
671
672 BUILD_BUG_ON(sizeof(response) != 1);
673 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
674 &response, sizeof(response)))
675 return false;
676
677 *input_1 = response.input0_trained;
678 *input_2 = response.input1_trained;
679 return true;
680}
681
682static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
683 u16 outputs)
684{
685 return intel_sdvo_set_value(intel_sdvo,
686 SDVO_CMD_SET_ACTIVE_OUTPUTS,
687 &outputs, sizeof(outputs));
688}
689
690static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
691 u16 *outputs)
692{
693 return intel_sdvo_get_value(intel_sdvo,
694 SDVO_CMD_GET_ACTIVE_OUTPUTS,
695 outputs, sizeof(*outputs));
696}
697
698static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
699 int mode)
700{
701 u8 state = SDVO_ENCODER_STATE_ON;
702
703 switch (mode) {
704 case DRM_MODE_DPMS_ON:
705 state = SDVO_ENCODER_STATE_ON;
706 break;
707 case DRM_MODE_DPMS_STANDBY:
708 state = SDVO_ENCODER_STATE_STANDBY;
709 break;
710 case DRM_MODE_DPMS_SUSPEND:
711 state = SDVO_ENCODER_STATE_SUSPEND;
712 break;
713 case DRM_MODE_DPMS_OFF:
714 state = SDVO_ENCODER_STATE_OFF;
715 break;
716 }
717
718 return intel_sdvo_set_value(intel_sdvo,
719 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
720}
721
722static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
723 int *clock_min,
724 int *clock_max)
725{
726 struct intel_sdvo_pixel_clock_range clocks;
727
728 BUILD_BUG_ON(sizeof(clocks) != 4);
729 if (!intel_sdvo_get_value(intel_sdvo,
730 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
731 &clocks, sizeof(clocks)))
732 return false;
733
734 /* Convert the values from units of 10 kHz to kHz. */
735 *clock_min = clocks.min * 10;
736 *clock_max = clocks.max * 10;
737 return true;
738}
739
740static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
741 u16 outputs)
742{
743 return intel_sdvo_set_value(intel_sdvo,
744 SDVO_CMD_SET_TARGET_OUTPUT,
745 &outputs, sizeof(outputs));
746}
747
748static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
749 struct intel_sdvo_dtd *dtd)
750{
751 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
752 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
753}
754
755static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
756 struct intel_sdvo_dtd *dtd)
757{
758 return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
759 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
760}
761
762static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
763 struct intel_sdvo_dtd *dtd)
764{
765 return intel_sdvo_set_timing(intel_sdvo,
766 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
767}
768
769static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
770 struct intel_sdvo_dtd *dtd)
771{
772 return intel_sdvo_set_timing(intel_sdvo,
773 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
774}
775
776static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
777 struct intel_sdvo_dtd *dtd)
778{
779 return intel_sdvo_get_timing(intel_sdvo,
780 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
781}
782
783static bool
784intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
785 struct intel_sdvo_connector *intel_sdvo_connector,
786 u16 clock,
787 u16 width,
788 u16 height)
789{
790 struct intel_sdvo_preferred_input_timing_args args;
791
792 memset(&args, 0, sizeof(args));
793 args.clock = clock;
794 args.width = width;
795 args.height = height;
796 args.interlace = 0;
797
798 if (IS_LVDS(intel_sdvo_connector)) {
799 const struct drm_display_mode *fixed_mode =
800 intel_sdvo_connector->base.panel.fixed_mode;
801
802 if (fixed_mode->hdisplay != width ||
803 fixed_mode->vdisplay != height)
804 args.scaled = 1;
805 }
806
807 return intel_sdvo_set_value(intel_sdvo,
808 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
809 &args, sizeof(args));
810}
811
812static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
813 struct intel_sdvo_dtd *dtd)
814{
815 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
816 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
817 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
818 &dtd->part1, sizeof(dtd->part1)) &&
819 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
820 &dtd->part2, sizeof(dtd->part2));
821}
822
823static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
824{
825 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
826}
827
828static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
829 const struct drm_display_mode *mode)
830{
831 u16 width, height;
832 u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
833 u16 h_sync_offset, v_sync_offset;
834 int mode_clock;
835
836 memset(dtd, 0, sizeof(*dtd));
837
838 width = mode->hdisplay;
839 height = mode->vdisplay;
840
841 /* do some mode translations */
842 h_blank_len = mode->htotal - mode->hdisplay;
843 h_sync_len = mode->hsync_end - mode->hsync_start;
844
845 v_blank_len = mode->vtotal - mode->vdisplay;
846 v_sync_len = mode->vsync_end - mode->vsync_start;
847
848 h_sync_offset = mode->hsync_start - mode->hdisplay;
849 v_sync_offset = mode->vsync_start - mode->vdisplay;
850
851 mode_clock = mode->clock;
852 mode_clock /= 10;
853 dtd->part1.clock = mode_clock;
854
855 dtd->part1.h_active = width & 0xff;
856 dtd->part1.h_blank = h_blank_len & 0xff;
857 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
858 ((h_blank_len >> 8) & 0xf);
859 dtd->part1.v_active = height & 0xff;
860 dtd->part1.v_blank = v_blank_len & 0xff;
861 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
862 ((v_blank_len >> 8) & 0xf);
863
864 dtd->part2.h_sync_off = h_sync_offset & 0xff;
865 dtd->part2.h_sync_width = h_sync_len & 0xff;
866 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
867 (v_sync_len & 0xf);
868 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
869 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
870 ((v_sync_len & 0x30) >> 4);
871
872 dtd->part2.dtd_flags = 0x18;
873 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
874 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
875 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
876 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
877 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
878 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
879
880 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
881}
882
883static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode,
884 const struct intel_sdvo_dtd *dtd)
885{
886 struct drm_display_mode mode = {};
887
888 mode.hdisplay = dtd->part1.h_active;
889 mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
890 mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off;
891 mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
892 mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width;
893 mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
894 mode.htotal = mode.hdisplay + dtd->part1.h_blank;
895 mode.htotal += (dtd->part1.h_high & 0xf) << 8;
896
897 mode.vdisplay = dtd->part1.v_active;
898 mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
899 mode.vsync_start = mode.vdisplay;
900 mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
901 mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
902 mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0;
903 mode.vsync_end = mode.vsync_start +
904 (dtd->part2.v_sync_off_width & 0xf);
905 mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
906 mode.vtotal = mode.vdisplay + dtd->part1.v_blank;
907 mode.vtotal += (dtd->part1.v_high & 0xf) << 8;
908
909 mode.clock = dtd->part1.clock * 10;
910
911 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
912 mode.flags |= DRM_MODE_FLAG_INTERLACE;
913 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
914 mode.flags |= DRM_MODE_FLAG_PHSYNC;
915 else
916 mode.flags |= DRM_MODE_FLAG_NHSYNC;
917 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
918 mode.flags |= DRM_MODE_FLAG_PVSYNC;
919 else
920 mode.flags |= DRM_MODE_FLAG_NVSYNC;
921
922 drm_mode_set_crtcinfo(&mode, 0);
923
924 drm_mode_copy(pmode, &mode);
925}
926
927static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
928{
929 struct intel_sdvo_encode encode;
930
931 BUILD_BUG_ON(sizeof(encode) != 2);
932 return intel_sdvo_get_value(intel_sdvo,
933 SDVO_CMD_GET_SUPP_ENCODE,
934 &encode, sizeof(encode));
935}
936
937static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
938 u8 mode)
939{
940 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
941}
942
943static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
944 u8 mode)
945{
946 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
947}
948
949static bool intel_sdvo_set_pixel_replication(struct intel_sdvo *intel_sdvo,
950 u8 pixel_repeat)
951{
952 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_PIXEL_REPLI,
953 &pixel_repeat, 1);
954}
955
956static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo,
957 u8 audio_state)
958{
959 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_AUDIO_STAT,
960 &audio_state, 1);
961}
962
963static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo,
964 u8 *hbuf_size)
965{
966 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
967 hbuf_size, 1))
968 return false;
969
970 /* Buffer size is 0 based, hooray! However zero means zero. */
971 if (*hbuf_size)
972 (*hbuf_size)++;
973
974 return true;
975}
976
977#if 0
978static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
979{
980 int i, j;
981 u8 set_buf_index[2];
982 u8 av_split;
983 u8 buf_size;
984 u8 buf[48];
985 u8 *pos;
986
987 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
988
989 for (i = 0; i <= av_split; i++) {
990 set_buf_index[0] = i; set_buf_index[1] = 0;
991 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
992 set_buf_index, 2);
993 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
994 intel_sdvo_read_response(encoder, &buf_size, 1);
995
996 pos = buf;
997 for (j = 0; j <= buf_size; j += 8) {
998 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
999 NULL, 0);
1000 intel_sdvo_read_response(encoder, pos, 8);
1001 pos += 8;
1002 }
1003 }
1004}
1005#endif
1006
1007static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
1008 unsigned int if_index, u8 tx_rate,
1009 const u8 *data, unsigned int length)
1010{
1011 u8 set_buf_index[2] = { if_index, 0 };
1012 u8 hbuf_size, tmp[8];
1013 int i;
1014
1015 if (!intel_sdvo_set_value(intel_sdvo,
1016 SDVO_CMD_SET_HBUF_INDEX,
1017 set_buf_index, 2))
1018 return false;
1019
1020 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1021 return false;
1022
1023 DRM_DEBUG_KMS("writing sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1024 if_index, length, hbuf_size);
1025
1026 if (hbuf_size < length)
1027 return false;
1028
1029 for (i = 0; i < hbuf_size; i += 8) {
1030 memset(tmp, 0, 8);
1031 if (i < length)
1032 memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
1033
1034 if (!intel_sdvo_set_value(intel_sdvo,
1035 SDVO_CMD_SET_HBUF_DATA,
1036 tmp, 8))
1037 return false;
1038 }
1039
1040 return intel_sdvo_set_value(intel_sdvo,
1041 SDVO_CMD_SET_HBUF_TXRATE,
1042 &tx_rate, 1);
1043}
1044
1045static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo,
1046 unsigned int if_index,
1047 u8 *data, unsigned int length)
1048{
1049 u8 set_buf_index[2] = { if_index, 0 };
1050 u8 hbuf_size, tx_rate, av_split;
1051 int i;
1052
1053 if (!intel_sdvo_get_value(intel_sdvo,
1054 SDVO_CMD_GET_HBUF_AV_SPLIT,
1055 &av_split, 1))
1056 return -ENXIO;
1057
1058 if (av_split < if_index)
1059 return 0;
1060
1061 if (!intel_sdvo_set_value(intel_sdvo,
1062 SDVO_CMD_SET_HBUF_INDEX,
1063 set_buf_index, 2))
1064 return -ENXIO;
1065
1066 if (!intel_sdvo_get_value(intel_sdvo,
1067 SDVO_CMD_GET_HBUF_TXRATE,
1068 &tx_rate, 1))
1069 return -ENXIO;
1070
1071 if (tx_rate == SDVO_HBUF_TX_DISABLED)
1072 return 0;
1073
1074 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1075 return false;
1076
1077 DRM_DEBUG_KMS("reading sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1078 if_index, length, hbuf_size);
1079
1080 hbuf_size = min_t(unsigned int, length, hbuf_size);
1081
1082 for (i = 0; i < hbuf_size; i += 8) {
1083 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HBUF_DATA, NULL, 0))
1084 return -ENXIO;
1085 if (!intel_sdvo_read_response(intel_sdvo, &data[i],
1086 min_t(unsigned int, 8, hbuf_size - i)))
1087 return -ENXIO;
1088 }
1089
1090 return hbuf_size;
1091}
1092
1093static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo,
1094 struct intel_crtc_state *crtc_state,
1095 struct drm_connector_state *conn_state)
1096{
1097 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1098 struct hdmi_avi_infoframe *frame = &crtc_state->infoframes.avi.avi;
1099 const struct drm_display_mode *adjusted_mode =
1100 &crtc_state->hw.adjusted_mode;
1101 int ret;
1102
1103 if (!crtc_state->has_hdmi_sink)
1104 return true;
1105
1106 crtc_state->infoframes.enable |=
1107 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1108
1109 ret = drm_hdmi_avi_infoframe_from_display_mode(frame,
1110 conn_state->connector,
1111 adjusted_mode);
1112 if (ret)
1113 return false;
1114
1115 drm_hdmi_avi_infoframe_quant_range(frame,
1116 conn_state->connector,
1117 adjusted_mode,
1118 crtc_state->limited_color_range ?
1119 HDMI_QUANTIZATION_RANGE_LIMITED :
1120 HDMI_QUANTIZATION_RANGE_FULL);
1121
1122 ret = hdmi_avi_infoframe_check(frame);
1123 if (drm_WARN_ON(&dev_priv->drm, ret))
1124 return false;
1125
1126 return true;
1127}
1128
1129static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
1130 const struct intel_crtc_state *crtc_state)
1131{
1132 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1133 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1134 const union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1135 ssize_t len;
1136
1137 if ((crtc_state->infoframes.enable &
1138 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI)) == 0)
1139 return true;
1140
1141 if (drm_WARN_ON(&dev_priv->drm,
1142 frame->any.type != HDMI_INFOFRAME_TYPE_AVI))
1143 return false;
1144
1145 len = hdmi_infoframe_pack_only(frame, sdvo_data, sizeof(sdvo_data));
1146 if (drm_WARN_ON(&dev_priv->drm, len < 0))
1147 return false;
1148
1149 return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1150 SDVO_HBUF_TX_VSYNC,
1151 sdvo_data, len);
1152}
1153
1154static void intel_sdvo_get_avi_infoframe(struct intel_sdvo *intel_sdvo,
1155 struct intel_crtc_state *crtc_state)
1156{
1157 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1158 union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1159 ssize_t len;
1160 int ret;
1161
1162 if (!crtc_state->has_hdmi_sink)
1163 return;
1164
1165 len = intel_sdvo_read_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1166 sdvo_data, sizeof(sdvo_data));
1167 if (len < 0) {
1168 DRM_DEBUG_KMS("failed to read AVI infoframe\n");
1169 return;
1170 } else if (len == 0) {
1171 return;
1172 }
1173
1174 crtc_state->infoframes.enable |=
1175 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1176
1177 ret = hdmi_infoframe_unpack(frame, sdvo_data, len);
1178 if (ret) {
1179 DRM_DEBUG_KMS("Failed to unpack AVI infoframe\n");
1180 return;
1181 }
1182
1183 if (frame->any.type != HDMI_INFOFRAME_TYPE_AVI)
1184 DRM_DEBUG_KMS("Found the wrong infoframe type 0x%x (expected 0x%02x)\n",
1185 frame->any.type, HDMI_INFOFRAME_TYPE_AVI);
1186}
1187
1188static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo,
1189 const struct drm_connector_state *conn_state)
1190{
1191 struct intel_sdvo_tv_format format;
1192 u32 format_map;
1193
1194 format_map = 1 << conn_state->tv.mode;
1195 memset(&format, 0, sizeof(format));
1196 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
1197
1198 BUILD_BUG_ON(sizeof(format) != 6);
1199 return intel_sdvo_set_value(intel_sdvo,
1200 SDVO_CMD_SET_TV_FORMAT,
1201 &format, sizeof(format));
1202}
1203
1204static bool
1205intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
1206 const struct drm_display_mode *mode)
1207{
1208 struct intel_sdvo_dtd output_dtd;
1209
1210 if (!intel_sdvo_set_target_output(intel_sdvo,
1211 intel_sdvo->attached_output))
1212 return false;
1213
1214 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1215 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1216 return false;
1217
1218 return true;
1219}
1220
1221/*
1222 * Asks the sdvo controller for the preferred input mode given the output mode.
1223 * Unfortunately we have to set up the full output mode to do that.
1224 */
1225static bool
1226intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1227 struct intel_sdvo_connector *intel_sdvo_connector,
1228 const struct drm_display_mode *mode,
1229 struct drm_display_mode *adjusted_mode)
1230{
1231 struct intel_sdvo_dtd input_dtd;
1232
1233 /* Reset the input timing to the screen. Assume always input 0. */
1234 if (!intel_sdvo_set_target_input(intel_sdvo))
1235 return false;
1236
1237 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1238 intel_sdvo_connector,
1239 mode->clock / 10,
1240 mode->hdisplay,
1241 mode->vdisplay))
1242 return false;
1243
1244 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1245 &input_dtd))
1246 return false;
1247
1248 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1249 intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1250
1251 return true;
1252}
1253
1254static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config)
1255{
1256 struct drm_i915_private *dev_priv = to_i915(pipe_config->uapi.crtc->dev);
1257 unsigned dotclock = pipe_config->port_clock;
1258 struct dpll *clock = &pipe_config->dpll;
1259
1260 /*
1261 * SDVO TV has fixed PLL values depend on its clock range,
1262 * this mirrors vbios setting.
1263 */
1264 if (dotclock >= 100000 && dotclock < 140500) {
1265 clock->p1 = 2;
1266 clock->p2 = 10;
1267 clock->n = 3;
1268 clock->m1 = 16;
1269 clock->m2 = 8;
1270 } else if (dotclock >= 140500 && dotclock <= 200000) {
1271 clock->p1 = 1;
1272 clock->p2 = 10;
1273 clock->n = 6;
1274 clock->m1 = 12;
1275 clock->m2 = 8;
1276 } else {
1277 drm_WARN(&dev_priv->drm, 1,
1278 "SDVO TV clock out of range: %i\n", dotclock);
1279 }
1280
1281 pipe_config->clock_set = true;
1282}
1283
1284static bool intel_has_hdmi_sink(struct intel_sdvo *sdvo,
1285 const struct drm_connector_state *conn_state)
1286{
1287 return sdvo->has_hdmi_monitor &&
1288 READ_ONCE(to_intel_digital_connector_state(conn_state)->force_audio) != HDMI_AUDIO_OFF_DVI;
1289}
1290
1291static bool intel_sdvo_limited_color_range(struct intel_encoder *encoder,
1292 const struct intel_crtc_state *crtc_state,
1293 const struct drm_connector_state *conn_state)
1294{
1295 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1296
1297 if ((intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220) == 0)
1298 return false;
1299
1300 return intel_hdmi_limited_color_range(crtc_state, conn_state);
1301}
1302
1303static int intel_sdvo_compute_config(struct intel_encoder *encoder,
1304 struct intel_crtc_state *pipe_config,
1305 struct drm_connector_state *conn_state)
1306{
1307 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1308 struct intel_sdvo_connector_state *intel_sdvo_state =
1309 to_intel_sdvo_connector_state(conn_state);
1310 struct intel_sdvo_connector *intel_sdvo_connector =
1311 to_intel_sdvo_connector(conn_state->connector);
1312 struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
1313 struct drm_display_mode *mode = &pipe_config->hw.mode;
1314
1315 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1316 pipe_config->pipe_bpp = 8*3;
1317 pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
1318
1319 if (HAS_PCH_SPLIT(to_i915(encoder->base.dev)))
1320 pipe_config->has_pch_encoder = true;
1321
1322 /*
1323 * We need to construct preferred input timings based on our
1324 * output timings. To do that, we have to set the output
1325 * timings, even though this isn't really the right place in
1326 * the sequence to do it. Oh well.
1327 */
1328 if (IS_TV(intel_sdvo_connector)) {
1329 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1330 return -EINVAL;
1331
1332 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1333 intel_sdvo_connector,
1334 mode,
1335 adjusted_mode);
1336 pipe_config->sdvo_tv_clock = true;
1337 } else if (IS_LVDS(intel_sdvo_connector)) {
1338 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1339 intel_sdvo_connector->base.panel.fixed_mode))
1340 return -EINVAL;
1341
1342 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1343 intel_sdvo_connector,
1344 mode,
1345 adjusted_mode);
1346 }
1347
1348 if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
1349 return -EINVAL;
1350
1351 /*
1352 * Make the CRTC code factor in the SDVO pixel multiplier. The
1353 * SDVO device will factor out the multiplier during mode_set.
1354 */
1355 pipe_config->pixel_multiplier =
1356 intel_sdvo_get_pixel_multiplier(adjusted_mode);
1357
1358 pipe_config->has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo, conn_state);
1359
1360 if (pipe_config->has_hdmi_sink) {
1361 if (intel_sdvo_state->base.force_audio == HDMI_AUDIO_AUTO)
1362 pipe_config->has_audio = intel_sdvo->has_hdmi_audio;
1363 else
1364 pipe_config->has_audio =
1365 intel_sdvo_state->base.force_audio == HDMI_AUDIO_ON;
1366 }
1367
1368 pipe_config->limited_color_range =
1369 intel_sdvo_limited_color_range(encoder, pipe_config,
1370 conn_state);
1371
1372 /* Clock computation needs to happen after pixel multiplier. */
1373 if (IS_TV(intel_sdvo_connector))
1374 i9xx_adjust_sdvo_tv_clock(pipe_config);
1375
1376 if (conn_state->picture_aspect_ratio)
1377 adjusted_mode->picture_aspect_ratio =
1378 conn_state->picture_aspect_ratio;
1379
1380 if (!intel_sdvo_compute_avi_infoframe(intel_sdvo,
1381 pipe_config, conn_state)) {
1382 DRM_DEBUG_KMS("bad AVI infoframe\n");
1383 return -EINVAL;
1384 }
1385
1386 return 0;
1387}
1388
1389#define UPDATE_PROPERTY(input, NAME) \
1390 do { \
1391 val = input; \
1392 intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_##NAME, &val, sizeof(val)); \
1393 } while (0)
1394
1395static void intel_sdvo_update_props(struct intel_sdvo *intel_sdvo,
1396 const struct intel_sdvo_connector_state *sdvo_state)
1397{
1398 const struct drm_connector_state *conn_state = &sdvo_state->base.base;
1399 struct intel_sdvo_connector *intel_sdvo_conn =
1400 to_intel_sdvo_connector(conn_state->connector);
1401 u16 val;
1402
1403 if (intel_sdvo_conn->left)
1404 UPDATE_PROPERTY(sdvo_state->tv.overscan_h, OVERSCAN_H);
1405
1406 if (intel_sdvo_conn->top)
1407 UPDATE_PROPERTY(sdvo_state->tv.overscan_v, OVERSCAN_V);
1408
1409 if (intel_sdvo_conn->hpos)
1410 UPDATE_PROPERTY(sdvo_state->tv.hpos, HPOS);
1411
1412 if (intel_sdvo_conn->vpos)
1413 UPDATE_PROPERTY(sdvo_state->tv.vpos, VPOS);
1414
1415 if (intel_sdvo_conn->saturation)
1416 UPDATE_PROPERTY(conn_state->tv.saturation, SATURATION);
1417
1418 if (intel_sdvo_conn->contrast)
1419 UPDATE_PROPERTY(conn_state->tv.contrast, CONTRAST);
1420
1421 if (intel_sdvo_conn->hue)
1422 UPDATE_PROPERTY(conn_state->tv.hue, HUE);
1423
1424 if (intel_sdvo_conn->brightness)
1425 UPDATE_PROPERTY(conn_state->tv.brightness, BRIGHTNESS);
1426
1427 if (intel_sdvo_conn->sharpness)
1428 UPDATE_PROPERTY(sdvo_state->tv.sharpness, SHARPNESS);
1429
1430 if (intel_sdvo_conn->flicker_filter)
1431 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter, FLICKER_FILTER);
1432
1433 if (intel_sdvo_conn->flicker_filter_2d)
1434 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_2d, FLICKER_FILTER_2D);
1435
1436 if (intel_sdvo_conn->flicker_filter_adaptive)
1437 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
1438
1439 if (intel_sdvo_conn->tv_chroma_filter)
1440 UPDATE_PROPERTY(sdvo_state->tv.chroma_filter, TV_CHROMA_FILTER);
1441
1442 if (intel_sdvo_conn->tv_luma_filter)
1443 UPDATE_PROPERTY(sdvo_state->tv.luma_filter, TV_LUMA_FILTER);
1444
1445 if (intel_sdvo_conn->dot_crawl)
1446 UPDATE_PROPERTY(sdvo_state->tv.dot_crawl, DOT_CRAWL);
1447
1448#undef UPDATE_PROPERTY
1449}
1450
1451static void intel_sdvo_pre_enable(struct intel_atomic_state *state,
1452 struct intel_encoder *intel_encoder,
1453 const struct intel_crtc_state *crtc_state,
1454 const struct drm_connector_state *conn_state)
1455{
1456 struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
1457 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
1458 const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
1459 const struct intel_sdvo_connector_state *sdvo_state =
1460 to_intel_sdvo_connector_state(conn_state);
1461 const struct intel_sdvo_connector *intel_sdvo_connector =
1462 to_intel_sdvo_connector(conn_state->connector);
1463 const struct drm_display_mode *mode = &crtc_state->hw.mode;
1464 struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
1465 u32 sdvox;
1466 struct intel_sdvo_in_out_map in_out;
1467 struct intel_sdvo_dtd input_dtd, output_dtd;
1468 int rate;
1469
1470 intel_sdvo_update_props(intel_sdvo, sdvo_state);
1471
1472 /*
1473 * First, set the input mapping for the first input to our controlled
1474 * output. This is only correct if we're a single-input device, in
1475 * which case the first input is the output from the appropriate SDVO
1476 * channel on the motherboard. In a two-input device, the first input
1477 * will be SDVOB and the second SDVOC.
1478 */
1479 in_out.in0 = intel_sdvo->attached_output;
1480 in_out.in1 = 0;
1481
1482 intel_sdvo_set_value(intel_sdvo,
1483 SDVO_CMD_SET_IN_OUT_MAP,
1484 &in_out, sizeof(in_out));
1485
1486 /* Set the output timings to the screen */
1487 if (!intel_sdvo_set_target_output(intel_sdvo,
1488 intel_sdvo->attached_output))
1489 return;
1490
1491 /* lvds has a special fixed output timing. */
1492 if (IS_LVDS(intel_sdvo_connector))
1493 intel_sdvo_get_dtd_from_mode(&output_dtd,
1494 intel_sdvo_connector->base.panel.fixed_mode);
1495 else
1496 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1497 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1498 drm_info(&dev_priv->drm,
1499 "Setting output timings on %s failed\n",
1500 SDVO_NAME(intel_sdvo));
1501
1502 /* Set the input timing to the screen. Assume always input 0. */
1503 if (!intel_sdvo_set_target_input(intel_sdvo))
1504 return;
1505
1506 if (crtc_state->has_hdmi_sink) {
1507 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1508 intel_sdvo_set_colorimetry(intel_sdvo,
1509 crtc_state->limited_color_range ?
1510 SDVO_COLORIMETRY_RGB220 :
1511 SDVO_COLORIMETRY_RGB256);
1512 intel_sdvo_set_avi_infoframe(intel_sdvo, crtc_state);
1513 intel_sdvo_set_pixel_replication(intel_sdvo,
1514 !!(adjusted_mode->flags &
1515 DRM_MODE_FLAG_DBLCLK));
1516 } else
1517 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1518
1519 if (IS_TV(intel_sdvo_connector) &&
1520 !intel_sdvo_set_tv_format(intel_sdvo, conn_state))
1521 return;
1522
1523 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1524
1525 if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector))
1526 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1527 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1528 drm_info(&dev_priv->drm,
1529 "Setting input timings on %s failed\n",
1530 SDVO_NAME(intel_sdvo));
1531
1532 switch (crtc_state->pixel_multiplier) {
1533 default:
1534 drm_WARN(&dev_priv->drm, 1,
1535 "unknown pixel multiplier specified\n");
1536 fallthrough;
1537 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1538 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1539 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1540 }
1541 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1542 return;
1543
1544 /* Set the SDVO control regs. */
1545 if (DISPLAY_VER(dev_priv) >= 4) {
1546 /* The real mode polarity is set by the SDVO commands, using
1547 * struct intel_sdvo_dtd. */
1548 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1549 if (DISPLAY_VER(dev_priv) < 5)
1550 sdvox |= SDVO_BORDER_ENABLE;
1551 } else {
1552 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1553 if (intel_sdvo->port == PORT_B)
1554 sdvox &= SDVOB_PRESERVE_MASK;
1555 else
1556 sdvox &= SDVOC_PRESERVE_MASK;
1557 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1558 }
1559
1560 if (HAS_PCH_CPT(dev_priv))
1561 sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
1562 else
1563 sdvox |= SDVO_PIPE_SEL(crtc->pipe);
1564
1565 if (DISPLAY_VER(dev_priv) >= 4) {
1566 /* done in crtc_mode_set as the dpll_md reg must be written early */
1567 } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) ||
1568 IS_G33(dev_priv) || IS_PINEVIEW(dev_priv)) {
1569 /* done in crtc_mode_set as it lives inside the dpll register */
1570 } else {
1571 sdvox |= (crtc_state->pixel_multiplier - 1)
1572 << SDVO_PORT_MULTIPLY_SHIFT;
1573 }
1574
1575 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1576 DISPLAY_VER(dev_priv) < 5)
1577 sdvox |= SDVO_STALL_SELECT;
1578 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1579}
1580
1581static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1582{
1583 struct intel_sdvo_connector *intel_sdvo_connector =
1584 to_intel_sdvo_connector(&connector->base);
1585 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1586 u16 active_outputs = 0;
1587
1588 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1589
1590 return active_outputs & intel_sdvo_connector->output_flag;
1591}
1592
1593bool intel_sdvo_port_enabled(struct drm_i915_private *dev_priv,
1594 i915_reg_t sdvo_reg, enum pipe *pipe)
1595{
1596 u32 val;
1597
1598 val = intel_de_read(dev_priv, sdvo_reg);
1599
1600 /* asserts want to know the pipe even if the port is disabled */
1601 if (HAS_PCH_CPT(dev_priv))
1602 *pipe = (val & SDVO_PIPE_SEL_MASK_CPT) >> SDVO_PIPE_SEL_SHIFT_CPT;
1603 else if (IS_CHERRYVIEW(dev_priv))
1604 *pipe = (val & SDVO_PIPE_SEL_MASK_CHV) >> SDVO_PIPE_SEL_SHIFT_CHV;
1605 else
1606 *pipe = (val & SDVO_PIPE_SEL_MASK) >> SDVO_PIPE_SEL_SHIFT;
1607
1608 return val & SDVO_ENABLE;
1609}
1610
1611static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1612 enum pipe *pipe)
1613{
1614 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1615 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1616 u16 active_outputs = 0;
1617 bool ret;
1618
1619 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1620
1621 ret = intel_sdvo_port_enabled(dev_priv, intel_sdvo->sdvo_reg, pipe);
1622
1623 return ret || active_outputs;
1624}
1625
1626static void intel_sdvo_get_config(struct intel_encoder *encoder,
1627 struct intel_crtc_state *pipe_config)
1628{
1629 struct drm_device *dev = encoder->base.dev;
1630 struct drm_i915_private *dev_priv = to_i915(dev);
1631 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1632 struct intel_sdvo_dtd dtd;
1633 int encoder_pixel_multiplier = 0;
1634 int dotclock;
1635 u32 flags = 0, sdvox;
1636 u8 val;
1637 bool ret;
1638
1639 pipe_config->output_types |= BIT(INTEL_OUTPUT_SDVO);
1640
1641 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1642
1643 ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
1644 if (!ret) {
1645 /*
1646 * Some sdvo encoders are not spec compliant and don't
1647 * implement the mandatory get_timings function.
1648 */
1649 drm_dbg(&dev_priv->drm, "failed to retrieve SDVO DTD\n");
1650 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
1651 } else {
1652 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
1653 flags |= DRM_MODE_FLAG_PHSYNC;
1654 else
1655 flags |= DRM_MODE_FLAG_NHSYNC;
1656
1657 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
1658 flags |= DRM_MODE_FLAG_PVSYNC;
1659 else
1660 flags |= DRM_MODE_FLAG_NVSYNC;
1661 }
1662
1663 pipe_config->hw.adjusted_mode.flags |= flags;
1664
1665 /*
1666 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1667 * the sdvo port register, on all other platforms it is part of the dpll
1668 * state. Since the general pipe state readout happens before the
1669 * encoder->get_config we so already have a valid pixel multplier on all
1670 * other platfroms.
1671 */
1672 if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) {
1673 pipe_config->pixel_multiplier =
1674 ((sdvox & SDVO_PORT_MULTIPLY_MASK)
1675 >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
1676 }
1677
1678 dotclock = pipe_config->port_clock;
1679
1680 if (pipe_config->pixel_multiplier)
1681 dotclock /= pipe_config->pixel_multiplier;
1682
1683 pipe_config->hw.adjusted_mode.crtc_clock = dotclock;
1684
1685 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1686 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
1687 &val, 1)) {
1688 switch (val) {
1689 case SDVO_CLOCK_RATE_MULT_1X:
1690 encoder_pixel_multiplier = 1;
1691 break;
1692 case SDVO_CLOCK_RATE_MULT_2X:
1693 encoder_pixel_multiplier = 2;
1694 break;
1695 case SDVO_CLOCK_RATE_MULT_4X:
1696 encoder_pixel_multiplier = 4;
1697 break;
1698 }
1699 }
1700
1701 drm_WARN(dev,
1702 encoder_pixel_multiplier != pipe_config->pixel_multiplier,
1703 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1704 pipe_config->pixel_multiplier, encoder_pixel_multiplier);
1705
1706 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY,
1707 &val, 1)) {
1708 if (val == SDVO_COLORIMETRY_RGB220)
1709 pipe_config->limited_color_range = true;
1710 }
1711
1712 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT,
1713 &val, 1)) {
1714 u8 mask = SDVO_AUDIO_ELD_VALID | SDVO_AUDIO_PRESENCE_DETECT;
1715
1716 if ((val & mask) == mask)
1717 pipe_config->has_audio = true;
1718 }
1719
1720 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
1721 &val, 1)) {
1722 if (val == SDVO_ENCODE_HDMI)
1723 pipe_config->has_hdmi_sink = true;
1724 }
1725
1726 intel_sdvo_get_avi_infoframe(intel_sdvo, pipe_config);
1727}
1728
1729static void intel_sdvo_disable_audio(struct intel_sdvo *intel_sdvo)
1730{
1731 intel_sdvo_set_audio_state(intel_sdvo, 0);
1732}
1733
1734static void intel_sdvo_enable_audio(struct intel_sdvo *intel_sdvo,
1735 const struct intel_crtc_state *crtc_state,
1736 const struct drm_connector_state *conn_state)
1737{
1738 const struct drm_display_mode *adjusted_mode =
1739 &crtc_state->hw.adjusted_mode;
1740 struct drm_connector *connector = conn_state->connector;
1741 u8 *eld = connector->eld;
1742
1743 eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;
1744
1745 intel_sdvo_set_audio_state(intel_sdvo, 0);
1746
1747 intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD,
1748 SDVO_HBUF_TX_DISABLED,
1749 eld, drm_eld_size(eld));
1750
1751 intel_sdvo_set_audio_state(intel_sdvo, SDVO_AUDIO_ELD_VALID |
1752 SDVO_AUDIO_PRESENCE_DETECT);
1753}
1754
1755static void intel_disable_sdvo(struct intel_atomic_state *state,
1756 struct intel_encoder *encoder,
1757 const struct intel_crtc_state *old_crtc_state,
1758 const struct drm_connector_state *conn_state)
1759{
1760 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1761 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1762 struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
1763 u32 temp;
1764
1765 if (old_crtc_state->has_audio)
1766 intel_sdvo_disable_audio(intel_sdvo);
1767
1768 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1769 if (0)
1770 intel_sdvo_set_encoder_power_state(intel_sdvo,
1771 DRM_MODE_DPMS_OFF);
1772
1773 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1774
1775 temp &= ~SDVO_ENABLE;
1776 intel_sdvo_write_sdvox(intel_sdvo, temp);
1777
1778 /*
1779 * HW workaround for IBX, we need to move the port
1780 * to transcoder A after disabling it to allow the
1781 * matching DP port to be enabled on transcoder A.
1782 */
1783 if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) {
1784 /*
1785 * We get CPU/PCH FIFO underruns on the other pipe when
1786 * doing the workaround. Sweep them under the rug.
1787 */
1788 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1789 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1790
1791 temp &= ~SDVO_PIPE_SEL_MASK;
1792 temp |= SDVO_ENABLE | SDVO_PIPE_SEL(PIPE_A);
1793 intel_sdvo_write_sdvox(intel_sdvo, temp);
1794
1795 temp &= ~SDVO_ENABLE;
1796 intel_sdvo_write_sdvox(intel_sdvo, temp);
1797
1798 intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
1799 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1800 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1801 }
1802}
1803
1804static void pch_disable_sdvo(struct intel_atomic_state *state,
1805 struct intel_encoder *encoder,
1806 const struct intel_crtc_state *old_crtc_state,
1807 const struct drm_connector_state *old_conn_state)
1808{
1809}
1810
1811static void pch_post_disable_sdvo(struct intel_atomic_state *state,
1812 struct intel_encoder *encoder,
1813 const struct intel_crtc_state *old_crtc_state,
1814 const struct drm_connector_state *old_conn_state)
1815{
1816 intel_disable_sdvo(state, encoder, old_crtc_state, old_conn_state);
1817}
1818
1819static void intel_enable_sdvo(struct intel_atomic_state *state,
1820 struct intel_encoder *encoder,
1821 const struct intel_crtc_state *pipe_config,
1822 const struct drm_connector_state *conn_state)
1823{
1824 struct drm_device *dev = encoder->base.dev;
1825 struct drm_i915_private *dev_priv = to_i915(dev);
1826 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1827 struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
1828 u32 temp;
1829 bool input1, input2;
1830 int i;
1831 bool success;
1832
1833 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1834 temp |= SDVO_ENABLE;
1835 intel_sdvo_write_sdvox(intel_sdvo, temp);
1836
1837 for (i = 0; i < 2; i++)
1838 intel_wait_for_vblank(dev_priv, intel_crtc->pipe);
1839
1840 success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1841 /*
1842 * Warn if the device reported failure to sync.
1843 *
1844 * A lot of SDVO devices fail to notify of sync, but it's
1845 * a given it the status is a success, we succeeded.
1846 */
1847 if (success && !input1) {
1848 drm_dbg_kms(&dev_priv->drm,
1849 "First %s output reported failure to "
1850 "sync\n", SDVO_NAME(intel_sdvo));
1851 }
1852
1853 if (0)
1854 intel_sdvo_set_encoder_power_state(intel_sdvo,
1855 DRM_MODE_DPMS_ON);
1856 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1857
1858 if (pipe_config->has_audio)
1859 intel_sdvo_enable_audio(intel_sdvo, pipe_config, conn_state);
1860}
1861
1862static enum drm_mode_status
1863intel_sdvo_mode_valid(struct drm_connector *connector,
1864 struct drm_display_mode *mode)
1865{
1866 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
1867 struct intel_sdvo_connector *intel_sdvo_connector =
1868 to_intel_sdvo_connector(connector);
1869 int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
1870 bool has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo, connector->state);
1871 int clock = mode->clock;
1872
1873 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1874 return MODE_NO_DBLESCAN;
1875
1876
1877 if (clock > max_dotclk)
1878 return MODE_CLOCK_HIGH;
1879
1880 if (mode->flags & DRM_MODE_FLAG_DBLCLK) {
1881 if (!has_hdmi_sink)
1882 return MODE_CLOCK_LOW;
1883 clock *= 2;
1884 }
1885
1886 if (intel_sdvo->pixel_clock_min > clock)
1887 return MODE_CLOCK_LOW;
1888
1889 if (intel_sdvo->pixel_clock_max < clock)
1890 return MODE_CLOCK_HIGH;
1891
1892 if (IS_LVDS(intel_sdvo_connector)) {
1893 const struct drm_display_mode *fixed_mode =
1894 intel_sdvo_connector->base.panel.fixed_mode;
1895
1896 if (mode->hdisplay > fixed_mode->hdisplay)
1897 return MODE_PANEL;
1898
1899 if (mode->vdisplay > fixed_mode->vdisplay)
1900 return MODE_PANEL;
1901 }
1902
1903 return MODE_OK;
1904}
1905
1906static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1907{
1908 BUILD_BUG_ON(sizeof(*caps) != 8);
1909 if (!intel_sdvo_get_value(intel_sdvo,
1910 SDVO_CMD_GET_DEVICE_CAPS,
1911 caps, sizeof(*caps)))
1912 return false;
1913
1914 DRM_DEBUG_KMS("SDVO capabilities:\n"
1915 " vendor_id: %d\n"
1916 " device_id: %d\n"
1917 " device_rev_id: %d\n"
1918 " sdvo_version_major: %d\n"
1919 " sdvo_version_minor: %d\n"
1920 " sdvo_inputs_mask: %d\n"
1921 " smooth_scaling: %d\n"
1922 " sharp_scaling: %d\n"
1923 " up_scaling: %d\n"
1924 " down_scaling: %d\n"
1925 " stall_support: %d\n"
1926 " output_flags: %d\n",
1927 caps->vendor_id,
1928 caps->device_id,
1929 caps->device_rev_id,
1930 caps->sdvo_version_major,
1931 caps->sdvo_version_minor,
1932 caps->sdvo_inputs_mask,
1933 caps->smooth_scaling,
1934 caps->sharp_scaling,
1935 caps->up_scaling,
1936 caps->down_scaling,
1937 caps->stall_support,
1938 caps->output_flags);
1939
1940 return true;
1941}
1942
1943static u8 intel_sdvo_get_colorimetry_cap(struct intel_sdvo *intel_sdvo)
1944{
1945 u8 cap;
1946
1947 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY_CAP,
1948 &cap, sizeof(cap)))
1949 return SDVO_COLORIMETRY_RGB256;
1950
1951 return cap;
1952}
1953
1954static u16 intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1955{
1956 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1957 u16 hotplug;
1958
1959 if (!I915_HAS_HOTPLUG(dev_priv))
1960 return 0;
1961
1962 /*
1963 * HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1964 * on the line.
1965 */
1966 if (IS_I945G(dev_priv) || IS_I945GM(dev_priv))
1967 return 0;
1968
1969 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1970 &hotplug, sizeof(hotplug)))
1971 return 0;
1972
1973 return hotplug;
1974}
1975
1976static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1977{
1978 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1979
1980 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1981 &intel_sdvo->hotplug_active, 2);
1982}
1983
1984static enum intel_hotplug_state
1985intel_sdvo_hotplug(struct intel_encoder *encoder,
1986 struct intel_connector *connector)
1987{
1988 intel_sdvo_enable_hotplug(encoder);
1989
1990 return intel_encoder_hotplug(encoder, connector);
1991}
1992
1993static bool
1994intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1995{
1996 /* Is there more than one type of output? */
1997 return hweight16(intel_sdvo->caps.output_flags) > 1;
1998}
1999
2000static struct edid *
2001intel_sdvo_get_edid(struct drm_connector *connector)
2002{
2003 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
2004 return drm_get_edid(connector, &sdvo->ddc);
2005}
2006
2007/* Mac mini hack -- use the same DDC as the analog connector */
2008static struct edid *
2009intel_sdvo_get_analog_edid(struct drm_connector *connector)
2010{
2011 struct drm_i915_private *dev_priv = to_i915(connector->dev);
2012
2013 return drm_get_edid(connector,
2014 intel_gmbus_get_adapter(dev_priv,
2015 dev_priv->vbt.crt_ddc_pin));
2016}
2017
2018static enum drm_connector_status
2019intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
2020{
2021 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2022 struct intel_sdvo_connector *intel_sdvo_connector =
2023 to_intel_sdvo_connector(connector);
2024 enum drm_connector_status status;
2025 struct edid *edid;
2026
2027 edid = intel_sdvo_get_edid(connector);
2028
2029 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
2030 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
2031
2032 /*
2033 * Don't use the 1 as the argument of DDC bus switch to get
2034 * the EDID. It is used for SDVO SPD ROM.
2035 */
2036 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
2037 intel_sdvo->ddc_bus = ddc;
2038 edid = intel_sdvo_get_edid(connector);
2039 if (edid)
2040 break;
2041 }
2042 /*
2043 * If we found the EDID on the other bus,
2044 * assume that is the correct DDC bus.
2045 */
2046 if (edid == NULL)
2047 intel_sdvo->ddc_bus = saved_ddc;
2048 }
2049
2050 /*
2051 * When there is no edid and no monitor is connected with VGA
2052 * port, try to use the CRT ddc to read the EDID for DVI-connector.
2053 */
2054 if (edid == NULL)
2055 edid = intel_sdvo_get_analog_edid(connector);
2056
2057 status = connector_status_unknown;
2058 if (edid != NULL) {
2059 /* DDC bus is shared, match EDID to connector type */
2060 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
2061 status = connector_status_connected;
2062 if (intel_sdvo_connector->is_hdmi) {
2063 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
2064 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
2065 }
2066 } else
2067 status = connector_status_disconnected;
2068 kfree(edid);
2069 }
2070
2071 return status;
2072}
2073
2074static bool
2075intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
2076 struct edid *edid)
2077{
2078 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
2079 bool connector_is_digital = !!IS_DIGITAL(sdvo);
2080
2081 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
2082 connector_is_digital, monitor_is_digital);
2083 return connector_is_digital == monitor_is_digital;
2084}
2085
2086static enum drm_connector_status
2087intel_sdvo_detect(struct drm_connector *connector, bool force)
2088{
2089 struct drm_i915_private *i915 = to_i915(connector->dev);
2090 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2091 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2092 enum drm_connector_status ret;
2093 u16 response;
2094
2095 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2096 connector->base.id, connector->name);
2097
2098 if (!INTEL_DISPLAY_ENABLED(i915))
2099 return connector_status_disconnected;
2100
2101 if (!intel_sdvo_get_value(intel_sdvo,
2102 SDVO_CMD_GET_ATTACHED_DISPLAYS,
2103 &response, 2))
2104 return connector_status_unknown;
2105
2106 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
2107 response & 0xff, response >> 8,
2108 intel_sdvo_connector->output_flag);
2109
2110 if (response == 0)
2111 return connector_status_disconnected;
2112
2113 intel_sdvo->attached_output = response;
2114
2115 intel_sdvo->has_hdmi_monitor = false;
2116 intel_sdvo->has_hdmi_audio = false;
2117
2118 if ((intel_sdvo_connector->output_flag & response) == 0)
2119 ret = connector_status_disconnected;
2120 else if (IS_TMDS(intel_sdvo_connector))
2121 ret = intel_sdvo_tmds_sink_detect(connector);
2122 else {
2123 struct edid *edid;
2124
2125 /* if we have an edid check it matches the connection */
2126 edid = intel_sdvo_get_edid(connector);
2127 if (edid == NULL)
2128 edid = intel_sdvo_get_analog_edid(connector);
2129 if (edid != NULL) {
2130 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
2131 edid))
2132 ret = connector_status_connected;
2133 else
2134 ret = connector_status_disconnected;
2135
2136 kfree(edid);
2137 } else
2138 ret = connector_status_connected;
2139 }
2140
2141 return ret;
2142}
2143
2144static int intel_sdvo_get_ddc_modes(struct drm_connector *connector)
2145{
2146 int num_modes = 0;
2147 struct edid *edid;
2148
2149 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2150 connector->base.id, connector->name);
2151
2152 /* set the bus switch and get the modes */
2153 edid = intel_sdvo_get_edid(connector);
2154
2155 /*
2156 * Mac mini hack. On this device, the DVI-I connector shares one DDC
2157 * link between analog and digital outputs. So, if the regular SDVO
2158 * DDC fails, check to see if the analog output is disconnected, in
2159 * which case we'll look there for the digital DDC data.
2160 */
2161 if (!edid)
2162 edid = intel_sdvo_get_analog_edid(connector);
2163
2164 if (!edid)
2165 return 0;
2166
2167 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
2168 edid))
2169 num_modes += intel_connector_update_modes(connector, edid);
2170
2171 kfree(edid);
2172
2173 return num_modes;
2174}
2175
2176/*
2177 * Set of SDVO TV modes.
2178 * Note! This is in reply order (see loop in get_tv_modes).
2179 * XXX: all 60Hz refresh?
2180 */
2181static const struct drm_display_mode sdvo_tv_modes[] = {
2182 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
2183 416, 0, 200, 201, 232, 233, 0,
2184 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2185 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
2186 416, 0, 240, 241, 272, 273, 0,
2187 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2188 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
2189 496, 0, 300, 301, 332, 333, 0,
2190 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2191 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
2192 736, 0, 350, 351, 382, 383, 0,
2193 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2194 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
2195 736, 0, 400, 401, 432, 433, 0,
2196 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2197 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
2198 736, 0, 480, 481, 512, 513, 0,
2199 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2200 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
2201 800, 0, 480, 481, 512, 513, 0,
2202 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2203 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
2204 800, 0, 576, 577, 608, 609, 0,
2205 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2206 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
2207 816, 0, 350, 351, 382, 383, 0,
2208 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2209 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
2210 816, 0, 400, 401, 432, 433, 0,
2211 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2212 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
2213 816, 0, 480, 481, 512, 513, 0,
2214 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2215 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
2216 816, 0, 540, 541, 572, 573, 0,
2217 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2218 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
2219 816, 0, 576, 577, 608, 609, 0,
2220 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2221 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
2222 864, 0, 576, 577, 608, 609, 0,
2223 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2224 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
2225 896, 0, 600, 601, 632, 633, 0,
2226 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2227 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
2228 928, 0, 624, 625, 656, 657, 0,
2229 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2230 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
2231 1016, 0, 766, 767, 798, 799, 0,
2232 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2233 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
2234 1120, 0, 768, 769, 800, 801, 0,
2235 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2236 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
2237 1376, 0, 1024, 1025, 1056, 1057, 0,
2238 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2239};
2240
2241static int intel_sdvo_get_tv_modes(struct drm_connector *connector)
2242{
2243 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2244 const struct drm_connector_state *conn_state = connector->state;
2245 struct intel_sdvo_sdtv_resolution_request tv_res;
2246 u32 reply = 0, format_map = 0;
2247 int num_modes = 0;
2248 int i;
2249
2250 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2251 connector->base.id, connector->name);
2252
2253 /*
2254 * Read the list of supported input resolutions for the selected TV
2255 * format.
2256 */
2257 format_map = 1 << conn_state->tv.mode;
2258 memcpy(&tv_res, &format_map,
2259 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
2260
2261 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
2262 return 0;
2263
2264 BUILD_BUG_ON(sizeof(tv_res) != 3);
2265 if (!intel_sdvo_write_cmd(intel_sdvo,
2266 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
2267 &tv_res, sizeof(tv_res)))
2268 return 0;
2269 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
2270 return 0;
2271
2272 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++) {
2273 if (reply & (1 << i)) {
2274 struct drm_display_mode *nmode;
2275 nmode = drm_mode_duplicate(connector->dev,
2276 &sdvo_tv_modes[i]);
2277 if (nmode) {
2278 drm_mode_probed_add(connector, nmode);
2279 num_modes++;
2280 }
2281 }
2282 }
2283
2284 return num_modes;
2285}
2286
2287static int intel_sdvo_get_lvds_modes(struct drm_connector *connector)
2288{
2289 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2290 struct drm_i915_private *dev_priv = to_i915(connector->dev);
2291 struct drm_display_mode *newmode;
2292 int num_modes = 0;
2293
2294 drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s]\n",
2295 connector->base.id, connector->name);
2296
2297 /*
2298 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
2299 * SDVO->LVDS transcoders can't cope with the EDID mode.
2300 */
2301 if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
2302 newmode = drm_mode_duplicate(connector->dev,
2303 dev_priv->vbt.sdvo_lvds_vbt_mode);
2304 if (newmode != NULL) {
2305 /* Guarantee the mode is preferred */
2306 newmode->type = (DRM_MODE_TYPE_PREFERRED |
2307 DRM_MODE_TYPE_DRIVER);
2308 drm_mode_probed_add(connector, newmode);
2309 num_modes++;
2310 }
2311 }
2312
2313 /*
2314 * Attempt to get the mode list from DDC.
2315 * Assume that the preferred modes are
2316 * arranged in priority order.
2317 */
2318 num_modes += intel_ddc_get_modes(connector, &intel_sdvo->ddc);
2319
2320 return num_modes;
2321}
2322
2323static int intel_sdvo_get_modes(struct drm_connector *connector)
2324{
2325 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2326
2327 if (IS_TV(intel_sdvo_connector))
2328 return intel_sdvo_get_tv_modes(connector);
2329 else if (IS_LVDS(intel_sdvo_connector))
2330 return intel_sdvo_get_lvds_modes(connector);
2331 else
2332 return intel_sdvo_get_ddc_modes(connector);
2333}
2334
2335static int
2336intel_sdvo_connector_atomic_get_property(struct drm_connector *connector,
2337 const struct drm_connector_state *state,
2338 struct drm_property *property,
2339 u64 *val)
2340{
2341 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2342 const struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state((void *)state);
2343
2344 if (property == intel_sdvo_connector->tv_format) {
2345 int i;
2346
2347 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2348 if (state->tv.mode == intel_sdvo_connector->tv_format_supported[i]) {
2349 *val = i;
2350
2351 return 0;
2352 }
2353
2354 drm_WARN_ON(connector->dev, 1);
2355 *val = 0;
2356 } else if (property == intel_sdvo_connector->top ||
2357 property == intel_sdvo_connector->bottom)
2358 *val = intel_sdvo_connector->max_vscan - sdvo_state->tv.overscan_v;
2359 else if (property == intel_sdvo_connector->left ||
2360 property == intel_sdvo_connector->right)
2361 *val = intel_sdvo_connector->max_hscan - sdvo_state->tv.overscan_h;
2362 else if (property == intel_sdvo_connector->hpos)
2363 *val = sdvo_state->tv.hpos;
2364 else if (property == intel_sdvo_connector->vpos)
2365 *val = sdvo_state->tv.vpos;
2366 else if (property == intel_sdvo_connector->saturation)
2367 *val = state->tv.saturation;
2368 else if (property == intel_sdvo_connector->contrast)
2369 *val = state->tv.contrast;
2370 else if (property == intel_sdvo_connector->hue)
2371 *val = state->tv.hue;
2372 else if (property == intel_sdvo_connector->brightness)
2373 *val = state->tv.brightness;
2374 else if (property == intel_sdvo_connector->sharpness)
2375 *val = sdvo_state->tv.sharpness;
2376 else if (property == intel_sdvo_connector->flicker_filter)
2377 *val = sdvo_state->tv.flicker_filter;
2378 else if (property == intel_sdvo_connector->flicker_filter_2d)
2379 *val = sdvo_state->tv.flicker_filter_2d;
2380 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2381 *val = sdvo_state->tv.flicker_filter_adaptive;
2382 else if (property == intel_sdvo_connector->tv_chroma_filter)
2383 *val = sdvo_state->tv.chroma_filter;
2384 else if (property == intel_sdvo_connector->tv_luma_filter)
2385 *val = sdvo_state->tv.luma_filter;
2386 else if (property == intel_sdvo_connector->dot_crawl)
2387 *val = sdvo_state->tv.dot_crawl;
2388 else
2389 return intel_digital_connector_atomic_get_property(connector, state, property, val);
2390
2391 return 0;
2392}
2393
2394static int
2395intel_sdvo_connector_atomic_set_property(struct drm_connector *connector,
2396 struct drm_connector_state *state,
2397 struct drm_property *property,
2398 u64 val)
2399{
2400 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2401 struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state(state);
2402
2403 if (property == intel_sdvo_connector->tv_format) {
2404 state->tv.mode = intel_sdvo_connector->tv_format_supported[val];
2405
2406 if (state->crtc) {
2407 struct drm_crtc_state *crtc_state =
2408 drm_atomic_get_new_crtc_state(state->state, state->crtc);
2409
2410 crtc_state->connectors_changed = true;
2411 }
2412 } else if (property == intel_sdvo_connector->top ||
2413 property == intel_sdvo_connector->bottom)
2414 /* Cannot set these independent from each other */
2415 sdvo_state->tv.overscan_v = intel_sdvo_connector->max_vscan - val;
2416 else if (property == intel_sdvo_connector->left ||
2417 property == intel_sdvo_connector->right)
2418 /* Cannot set these independent from each other */
2419 sdvo_state->tv.overscan_h = intel_sdvo_connector->max_hscan - val;
2420 else if (property == intel_sdvo_connector->hpos)
2421 sdvo_state->tv.hpos = val;
2422 else if (property == intel_sdvo_connector->vpos)
2423 sdvo_state->tv.vpos = val;
2424 else if (property == intel_sdvo_connector->saturation)
2425 state->tv.saturation = val;
2426 else if (property == intel_sdvo_connector->contrast)
2427 state->tv.contrast = val;
2428 else if (property == intel_sdvo_connector->hue)
2429 state->tv.hue = val;
2430 else if (property == intel_sdvo_connector->brightness)
2431 state->tv.brightness = val;
2432 else if (property == intel_sdvo_connector->sharpness)
2433 sdvo_state->tv.sharpness = val;
2434 else if (property == intel_sdvo_connector->flicker_filter)
2435 sdvo_state->tv.flicker_filter = val;
2436 else if (property == intel_sdvo_connector->flicker_filter_2d)
2437 sdvo_state->tv.flicker_filter_2d = val;
2438 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2439 sdvo_state->tv.flicker_filter_adaptive = val;
2440 else if (property == intel_sdvo_connector->tv_chroma_filter)
2441 sdvo_state->tv.chroma_filter = val;
2442 else if (property == intel_sdvo_connector->tv_luma_filter)
2443 sdvo_state->tv.luma_filter = val;
2444 else if (property == intel_sdvo_connector->dot_crawl)
2445 sdvo_state->tv.dot_crawl = val;
2446 else
2447 return intel_digital_connector_atomic_set_property(connector, state, property, val);
2448
2449 return 0;
2450}
2451
2452static int
2453intel_sdvo_connector_register(struct drm_connector *connector)
2454{
2455 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
2456 int ret;
2457
2458 ret = intel_connector_register(connector);
2459 if (ret)
2460 return ret;
2461
2462 return sysfs_create_link(&connector->kdev->kobj,
2463 &sdvo->ddc.dev.kobj,
2464 sdvo->ddc.dev.kobj.name);
2465}
2466
2467static void
2468intel_sdvo_connector_unregister(struct drm_connector *connector)
2469{
2470 struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
2471
2472 sysfs_remove_link(&connector->kdev->kobj,
2473 sdvo->ddc.dev.kobj.name);
2474 intel_connector_unregister(connector);
2475}
2476
2477static struct drm_connector_state *
2478intel_sdvo_connector_duplicate_state(struct drm_connector *connector)
2479{
2480 struct intel_sdvo_connector_state *state;
2481
2482 state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL);
2483 if (!state)
2484 return NULL;
2485
2486 __drm_atomic_helper_connector_duplicate_state(connector, &state->base.base);
2487 return &state->base.base;
2488}
2489
2490static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2491 .detect = intel_sdvo_detect,
2492 .fill_modes = drm_helper_probe_single_connector_modes,
2493 .atomic_get_property = intel_sdvo_connector_atomic_get_property,
2494 .atomic_set_property = intel_sdvo_connector_atomic_set_property,
2495 .late_register = intel_sdvo_connector_register,
2496 .early_unregister = intel_sdvo_connector_unregister,
2497 .destroy = intel_connector_destroy,
2498 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
2499 .atomic_duplicate_state = intel_sdvo_connector_duplicate_state,
2500};
2501
2502static int intel_sdvo_atomic_check(struct drm_connector *conn,
2503 struct drm_atomic_state *state)
2504{
2505 struct drm_connector_state *new_conn_state =
2506 drm_atomic_get_new_connector_state(state, conn);
2507 struct drm_connector_state *old_conn_state =
2508 drm_atomic_get_old_connector_state(state, conn);
2509 struct intel_sdvo_connector_state *old_state =
2510 to_intel_sdvo_connector_state(old_conn_state);
2511 struct intel_sdvo_connector_state *new_state =
2512 to_intel_sdvo_connector_state(new_conn_state);
2513
2514 if (new_conn_state->crtc &&
2515 (memcmp(&old_state->tv, &new_state->tv, sizeof(old_state->tv)) ||
2516 memcmp(&old_conn_state->tv, &new_conn_state->tv, sizeof(old_conn_state->tv)))) {
2517 struct drm_crtc_state *crtc_state =
2518 drm_atomic_get_new_crtc_state(state,
2519 new_conn_state->crtc);
2520
2521 crtc_state->connectors_changed = true;
2522 }
2523
2524 return intel_digital_connector_atomic_check(conn, state);
2525}
2526
2527static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2528 .get_modes = intel_sdvo_get_modes,
2529 .mode_valid = intel_sdvo_mode_valid,
2530 .atomic_check = intel_sdvo_atomic_check,
2531};
2532
2533static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2534{
2535 struct intel_sdvo *intel_sdvo = to_sdvo(to_intel_encoder(encoder));
2536
2537 i2c_del_adapter(&intel_sdvo->ddc);
2538 intel_encoder_destroy(encoder);
2539}
2540
2541static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2542 .destroy = intel_sdvo_enc_destroy,
2543};
2544
2545static void
2546intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
2547{
2548 u16 mask = 0;
2549 unsigned int num_bits;
2550
2551 /*
2552 * Make a mask of outputs less than or equal to our own priority in the
2553 * list.
2554 */
2555 switch (sdvo->controlled_output) {
2556 case SDVO_OUTPUT_LVDS1:
2557 mask |= SDVO_OUTPUT_LVDS1;
2558 fallthrough;
2559 case SDVO_OUTPUT_LVDS0:
2560 mask |= SDVO_OUTPUT_LVDS0;
2561 fallthrough;
2562 case SDVO_OUTPUT_TMDS1:
2563 mask |= SDVO_OUTPUT_TMDS1;
2564 fallthrough;
2565 case SDVO_OUTPUT_TMDS0:
2566 mask |= SDVO_OUTPUT_TMDS0;
2567 fallthrough;
2568 case SDVO_OUTPUT_RGB1:
2569 mask |= SDVO_OUTPUT_RGB1;
2570 fallthrough;
2571 case SDVO_OUTPUT_RGB0:
2572 mask |= SDVO_OUTPUT_RGB0;
2573 break;
2574 }
2575
2576 /* Count bits to find what number we are in the priority list. */
2577 mask &= sdvo->caps.output_flags;
2578 num_bits = hweight16(mask);
2579 /* If more than 3 outputs, default to DDC bus 3 for now. */
2580 if (num_bits > 3)
2581 num_bits = 3;
2582
2583 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2584 sdvo->ddc_bus = 1 << num_bits;
2585}
2586
2587/*
2588 * Choose the appropriate DDC bus for control bus switch command for this
2589 * SDVO output based on the controlled output.
2590 *
2591 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2592 * outputs, then LVDS outputs.
2593 */
2594static void
2595intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2596 struct intel_sdvo *sdvo)
2597{
2598 struct sdvo_device_mapping *mapping;
2599
2600 if (sdvo->port == PORT_B)
2601 mapping = &dev_priv->vbt.sdvo_mappings[0];
2602 else
2603 mapping = &dev_priv->vbt.sdvo_mappings[1];
2604
2605 if (mapping->initialized)
2606 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2607 else
2608 intel_sdvo_guess_ddc_bus(sdvo);
2609}
2610
2611static void
2612intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2613 struct intel_sdvo *sdvo)
2614{
2615 struct sdvo_device_mapping *mapping;
2616 u8 pin;
2617
2618 if (sdvo->port == PORT_B)
2619 mapping = &dev_priv->vbt.sdvo_mappings[0];
2620 else
2621 mapping = &dev_priv->vbt.sdvo_mappings[1];
2622
2623 if (mapping->initialized &&
2624 intel_gmbus_is_valid_pin(dev_priv, mapping->i2c_pin))
2625 pin = mapping->i2c_pin;
2626 else
2627 pin = GMBUS_PIN_DPB;
2628
2629 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2630
2631 /*
2632 * With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2633 * our code totally fails once we start using gmbus. Hence fall back to
2634 * bit banging for now.
2635 */
2636 intel_gmbus_force_bit(sdvo->i2c, true);
2637}
2638
2639/* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2640static void
2641intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2642{
2643 intel_gmbus_force_bit(sdvo->i2c, false);
2644}
2645
2646static bool
2647intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2648{
2649 return intel_sdvo_check_supp_encode(intel_sdvo);
2650}
2651
2652static u8
2653intel_sdvo_get_slave_addr(struct drm_i915_private *dev_priv,
2654 struct intel_sdvo *sdvo)
2655{
2656 struct sdvo_device_mapping *my_mapping, *other_mapping;
2657
2658 if (sdvo->port == PORT_B) {
2659 my_mapping = &dev_priv->vbt.sdvo_mappings[0];
2660 other_mapping = &dev_priv->vbt.sdvo_mappings[1];
2661 } else {
2662 my_mapping = &dev_priv->vbt.sdvo_mappings[1];
2663 other_mapping = &dev_priv->vbt.sdvo_mappings[0];
2664 }
2665
2666 /* If the BIOS described our SDVO device, take advantage of it. */
2667 if (my_mapping->slave_addr)
2668 return my_mapping->slave_addr;
2669
2670 /*
2671 * If the BIOS only described a different SDVO device, use the
2672 * address that it isn't using.
2673 */
2674 if (other_mapping->slave_addr) {
2675 if (other_mapping->slave_addr == 0x70)
2676 return 0x72;
2677 else
2678 return 0x70;
2679 }
2680
2681 /*
2682 * No SDVO device info is found for another DVO port,
2683 * so use mapping assumption we had before BIOS parsing.
2684 */
2685 if (sdvo->port == PORT_B)
2686 return 0x70;
2687 else
2688 return 0x72;
2689}
2690
2691static int
2692intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2693 struct intel_sdvo *encoder)
2694{
2695 struct drm_connector *drm_connector;
2696 int ret;
2697
2698 drm_connector = &connector->base.base;
2699 ret = drm_connector_init(encoder->base.base.dev,
2700 drm_connector,
2701 &intel_sdvo_connector_funcs,
2702 connector->base.base.connector_type);
2703 if (ret < 0)
2704 return ret;
2705
2706 drm_connector_helper_add(drm_connector,
2707 &intel_sdvo_connector_helper_funcs);
2708
2709 connector->base.base.interlace_allowed = 1;
2710 connector->base.base.doublescan_allowed = 0;
2711 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2712 connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2713
2714 intel_connector_attach_encoder(&connector->base, &encoder->base);
2715
2716 return 0;
2717}
2718
2719static void
2720intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
2721 struct intel_sdvo_connector *connector)
2722{
2723 intel_attach_force_audio_property(&connector->base.base);
2724 if (intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220)
2725 intel_attach_broadcast_rgb_property(&connector->base.base);
2726 intel_attach_aspect_ratio_property(&connector->base.base);
2727}
2728
2729static struct intel_sdvo_connector *intel_sdvo_connector_alloc(void)
2730{
2731 struct intel_sdvo_connector *sdvo_connector;
2732 struct intel_sdvo_connector_state *conn_state;
2733
2734 sdvo_connector = kzalloc(sizeof(*sdvo_connector), GFP_KERNEL);
2735 if (!sdvo_connector)
2736 return NULL;
2737
2738 conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL);
2739 if (!conn_state) {
2740 kfree(sdvo_connector);
2741 return NULL;
2742 }
2743
2744 __drm_atomic_helper_connector_reset(&sdvo_connector->base.base,
2745 &conn_state->base.base);
2746
2747 return sdvo_connector;
2748}
2749
2750static bool
2751intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2752{
2753 struct drm_encoder *encoder = &intel_sdvo->base.base;
2754 struct drm_connector *connector;
2755 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2756 struct intel_connector *intel_connector;
2757 struct intel_sdvo_connector *intel_sdvo_connector;
2758
2759 DRM_DEBUG_KMS("initialising DVI device %d\n", device);
2760
2761 intel_sdvo_connector = intel_sdvo_connector_alloc();
2762 if (!intel_sdvo_connector)
2763 return false;
2764
2765 if (device == 0) {
2766 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2767 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2768 } else if (device == 1) {
2769 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2770 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2771 }
2772
2773 intel_connector = &intel_sdvo_connector->base;
2774 connector = &intel_connector->base;
2775 if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2776 intel_sdvo_connector->output_flag) {
2777 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2778 /*
2779 * Some SDVO devices have one-shot hotplug interrupts.
2780 * Ensure that they get re-enabled when an interrupt happens.
2781 */
2782 intel_connector->polled = DRM_CONNECTOR_POLL_HPD;
2783 intel_encoder->hotplug = intel_sdvo_hotplug;
2784 intel_sdvo_enable_hotplug(intel_encoder);
2785 } else {
2786 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2787 }
2788 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2789 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2790
2791 if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2792 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2793 intel_sdvo_connector->is_hdmi = true;
2794 }
2795
2796 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2797 kfree(intel_sdvo_connector);
2798 return false;
2799 }
2800
2801 if (intel_sdvo_connector->is_hdmi)
2802 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2803
2804 return true;
2805}
2806
2807static bool
2808intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2809{
2810 struct drm_encoder *encoder = &intel_sdvo->base.base;
2811 struct drm_connector *connector;
2812 struct intel_connector *intel_connector;
2813 struct intel_sdvo_connector *intel_sdvo_connector;
2814
2815 DRM_DEBUG_KMS("initialising TV type %d\n", type);
2816
2817 intel_sdvo_connector = intel_sdvo_connector_alloc();
2818 if (!intel_sdvo_connector)
2819 return false;
2820
2821 intel_connector = &intel_sdvo_connector->base;
2822 connector = &intel_connector->base;
2823 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2824 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2825
2826 intel_sdvo->controlled_output |= type;
2827 intel_sdvo_connector->output_flag = type;
2828
2829 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2830 kfree(intel_sdvo_connector);
2831 return false;
2832 }
2833
2834 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2835 goto err;
2836
2837 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2838 goto err;
2839
2840 return true;
2841
2842err:
2843 intel_connector_destroy(connector);
2844 return false;
2845}
2846
2847static bool
2848intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2849{
2850 struct drm_encoder *encoder = &intel_sdvo->base.base;
2851 struct drm_connector *connector;
2852 struct intel_connector *intel_connector;
2853 struct intel_sdvo_connector *intel_sdvo_connector;
2854
2855 DRM_DEBUG_KMS("initialising analog device %d\n", device);
2856
2857 intel_sdvo_connector = intel_sdvo_connector_alloc();
2858 if (!intel_sdvo_connector)
2859 return false;
2860
2861 intel_connector = &intel_sdvo_connector->base;
2862 connector = &intel_connector->base;
2863 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2864 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2865 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2866
2867 if (device == 0) {
2868 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2869 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2870 } else if (device == 1) {
2871 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2872 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2873 }
2874
2875 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2876 kfree(intel_sdvo_connector);
2877 return false;
2878 }
2879
2880 return true;
2881}
2882
2883static bool
2884intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2885{
2886 struct drm_encoder *encoder = &intel_sdvo->base.base;
2887 struct drm_connector *connector;
2888 struct intel_connector *intel_connector;
2889 struct intel_sdvo_connector *intel_sdvo_connector;
2890 struct drm_display_mode *mode;
2891
2892 DRM_DEBUG_KMS("initialising LVDS device %d\n", device);
2893
2894 intel_sdvo_connector = intel_sdvo_connector_alloc();
2895 if (!intel_sdvo_connector)
2896 return false;
2897
2898 intel_connector = &intel_sdvo_connector->base;
2899 connector = &intel_connector->base;
2900 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2901 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2902
2903 if (device == 0) {
2904 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2905 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2906 } else if (device == 1) {
2907 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2908 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2909 }
2910
2911 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2912 kfree(intel_sdvo_connector);
2913 return false;
2914 }
2915
2916 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2917 goto err;
2918
2919 intel_sdvo_get_lvds_modes(connector);
2920
2921 list_for_each_entry(mode, &connector->probed_modes, head) {
2922 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
2923 struct drm_display_mode *fixed_mode =
2924 drm_mode_duplicate(connector->dev, mode);
2925
2926 intel_panel_init(&intel_connector->panel,
2927 fixed_mode, NULL);
2928 break;
2929 }
2930 }
2931
2932 if (!intel_connector->panel.fixed_mode)
2933 goto err;
2934
2935 return true;
2936
2937err:
2938 intel_connector_destroy(connector);
2939 return false;
2940}
2941
2942static bool
2943intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags)
2944{
2945 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2946
2947 if (flags & SDVO_OUTPUT_TMDS0)
2948 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2949 return false;
2950
2951 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2952 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2953 return false;
2954
2955 /* TV has no XXX1 function block */
2956 if (flags & SDVO_OUTPUT_SVID0)
2957 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2958 return false;
2959
2960 if (flags & SDVO_OUTPUT_CVBS0)
2961 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2962 return false;
2963
2964 if (flags & SDVO_OUTPUT_YPRPB0)
2965 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2966 return false;
2967
2968 if (flags & SDVO_OUTPUT_RGB0)
2969 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2970 return false;
2971
2972 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2973 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2974 return false;
2975
2976 if (flags & SDVO_OUTPUT_LVDS0)
2977 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2978 return false;
2979
2980 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2981 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2982 return false;
2983
2984 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2985 unsigned char bytes[2];
2986
2987 intel_sdvo->controlled_output = 0;
2988 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2989 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2990 SDVO_NAME(intel_sdvo),
2991 bytes[0], bytes[1]);
2992 return false;
2993 }
2994 intel_sdvo->base.pipe_mask = ~0;
2995
2996 return true;
2997}
2998
2999static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
3000{
3001 struct drm_device *dev = intel_sdvo->base.base.dev;
3002 struct drm_connector *connector, *tmp;
3003
3004 list_for_each_entry_safe(connector, tmp,
3005 &dev->mode_config.connector_list, head) {
3006 if (intel_attached_encoder(to_intel_connector(connector)) == &intel_sdvo->base) {
3007 drm_connector_unregister(connector);
3008 intel_connector_destroy(connector);
3009 }
3010 }
3011}
3012
3013static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
3014 struct intel_sdvo_connector *intel_sdvo_connector,
3015 int type)
3016{
3017 struct drm_device *dev = intel_sdvo->base.base.dev;
3018 struct intel_sdvo_tv_format format;
3019 u32 format_map, i;
3020
3021 if (!intel_sdvo_set_target_output(intel_sdvo, type))
3022 return false;
3023
3024 BUILD_BUG_ON(sizeof(format) != 6);
3025 if (!intel_sdvo_get_value(intel_sdvo,
3026 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
3027 &format, sizeof(format)))
3028 return false;
3029
3030 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
3031
3032 if (format_map == 0)
3033 return false;
3034
3035 intel_sdvo_connector->format_supported_num = 0;
3036 for (i = 0 ; i < TV_FORMAT_NUM; i++)
3037 if (format_map & (1 << i))
3038 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
3039
3040
3041 intel_sdvo_connector->tv_format =
3042 drm_property_create(dev, DRM_MODE_PROP_ENUM,
3043 "mode", intel_sdvo_connector->format_supported_num);
3044 if (!intel_sdvo_connector->tv_format)
3045 return false;
3046
3047 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
3048 drm_property_add_enum(intel_sdvo_connector->tv_format, i,
3049 tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
3050
3051 intel_sdvo_connector->base.base.state->tv.mode = intel_sdvo_connector->tv_format_supported[0];
3052 drm_object_attach_property(&intel_sdvo_connector->base.base.base,
3053 intel_sdvo_connector->tv_format, 0);
3054 return true;
3055
3056}
3057
3058#define _ENHANCEMENT(state_assignment, name, NAME) do { \
3059 if (enhancements.name) { \
3060 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
3061 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
3062 return false; \
3063 intel_sdvo_connector->name = \
3064 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
3065 if (!intel_sdvo_connector->name) return false; \
3066 state_assignment = response; \
3067 drm_object_attach_property(&connector->base, \
3068 intel_sdvo_connector->name, 0); \
3069 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
3070 data_value[0], data_value[1], response); \
3071 } \
3072} while (0)
3073
3074#define ENHANCEMENT(state, name, NAME) _ENHANCEMENT((state)->name, name, NAME)
3075
3076static bool
3077intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
3078 struct intel_sdvo_connector *intel_sdvo_connector,
3079 struct intel_sdvo_enhancements_reply enhancements)
3080{
3081 struct drm_device *dev = intel_sdvo->base.base.dev;
3082 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3083 struct drm_connector_state *conn_state = connector->state;
3084 struct intel_sdvo_connector_state *sdvo_state =
3085 to_intel_sdvo_connector_state(conn_state);
3086 u16 response, data_value[2];
3087
3088 /* when horizontal overscan is supported, Add the left/right property */
3089 if (enhancements.overscan_h) {
3090 if (!intel_sdvo_get_value(intel_sdvo,
3091 SDVO_CMD_GET_MAX_OVERSCAN_H,
3092 &data_value, 4))
3093 return false;
3094
3095 if (!intel_sdvo_get_value(intel_sdvo,
3096 SDVO_CMD_GET_OVERSCAN_H,
3097 &response, 2))
3098 return false;
3099
3100 sdvo_state->tv.overscan_h = response;
3101
3102 intel_sdvo_connector->max_hscan = data_value[0];
3103 intel_sdvo_connector->left =
3104 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
3105 if (!intel_sdvo_connector->left)
3106 return false;
3107
3108 drm_object_attach_property(&connector->base,
3109 intel_sdvo_connector->left, 0);
3110
3111 intel_sdvo_connector->right =
3112 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
3113 if (!intel_sdvo_connector->right)
3114 return false;
3115
3116 drm_object_attach_property(&connector->base,
3117 intel_sdvo_connector->right, 0);
3118 DRM_DEBUG_KMS("h_overscan: max %d, "
3119 "default %d, current %d\n",
3120 data_value[0], data_value[1], response);
3121 }
3122
3123 if (enhancements.overscan_v) {
3124 if (!intel_sdvo_get_value(intel_sdvo,
3125 SDVO_CMD_GET_MAX_OVERSCAN_V,
3126 &data_value, 4))
3127 return false;
3128
3129 if (!intel_sdvo_get_value(intel_sdvo,
3130 SDVO_CMD_GET_OVERSCAN_V,
3131 &response, 2))
3132 return false;
3133
3134 sdvo_state->tv.overscan_v = response;
3135
3136 intel_sdvo_connector->max_vscan = data_value[0];
3137 intel_sdvo_connector->top =
3138 drm_property_create_range(dev, 0,
3139 "top_margin", 0, data_value[0]);
3140 if (!intel_sdvo_connector->top)
3141 return false;
3142
3143 drm_object_attach_property(&connector->base,
3144 intel_sdvo_connector->top, 0);
3145
3146 intel_sdvo_connector->bottom =
3147 drm_property_create_range(dev, 0,
3148 "bottom_margin", 0, data_value[0]);
3149 if (!intel_sdvo_connector->bottom)
3150 return false;
3151
3152 drm_object_attach_property(&connector->base,
3153 intel_sdvo_connector->bottom, 0);
3154 DRM_DEBUG_KMS("v_overscan: max %d, "
3155 "default %d, current %d\n",
3156 data_value[0], data_value[1], response);
3157 }
3158
3159 ENHANCEMENT(&sdvo_state->tv, hpos, HPOS);
3160 ENHANCEMENT(&sdvo_state->tv, vpos, VPOS);
3161 ENHANCEMENT(&conn_state->tv, saturation, SATURATION);
3162 ENHANCEMENT(&conn_state->tv, contrast, CONTRAST);
3163 ENHANCEMENT(&conn_state->tv, hue, HUE);
3164 ENHANCEMENT(&conn_state->tv, brightness, BRIGHTNESS);
3165 ENHANCEMENT(&sdvo_state->tv, sharpness, SHARPNESS);
3166 ENHANCEMENT(&sdvo_state->tv, flicker_filter, FLICKER_FILTER);
3167 ENHANCEMENT(&sdvo_state->tv, flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
3168 ENHANCEMENT(&sdvo_state->tv, flicker_filter_2d, FLICKER_FILTER_2D);
3169 _ENHANCEMENT(sdvo_state->tv.chroma_filter, tv_chroma_filter, TV_CHROMA_FILTER);
3170 _ENHANCEMENT(sdvo_state->tv.luma_filter, tv_luma_filter, TV_LUMA_FILTER);
3171
3172 if (enhancements.dot_crawl) {
3173 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
3174 return false;
3175
3176 sdvo_state->tv.dot_crawl = response & 0x1;
3177 intel_sdvo_connector->dot_crawl =
3178 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
3179 if (!intel_sdvo_connector->dot_crawl)
3180 return false;
3181
3182 drm_object_attach_property(&connector->base,
3183 intel_sdvo_connector->dot_crawl, 0);
3184 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
3185 }
3186
3187 return true;
3188}
3189
3190static bool
3191intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
3192 struct intel_sdvo_connector *intel_sdvo_connector,
3193 struct intel_sdvo_enhancements_reply enhancements)
3194{
3195 struct drm_device *dev = intel_sdvo->base.base.dev;
3196 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3197 u16 response, data_value[2];
3198
3199 ENHANCEMENT(&connector->state->tv, brightness, BRIGHTNESS);
3200
3201 return true;
3202}
3203#undef ENHANCEMENT
3204#undef _ENHANCEMENT
3205
3206static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
3207 struct intel_sdvo_connector *intel_sdvo_connector)
3208{
3209 union {
3210 struct intel_sdvo_enhancements_reply reply;
3211 u16 response;
3212 } enhancements;
3213
3214 BUILD_BUG_ON(sizeof(enhancements) != 2);
3215
3216 if (!intel_sdvo_get_value(intel_sdvo,
3217 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
3218 &enhancements, sizeof(enhancements)) ||
3219 enhancements.response == 0) {
3220 DRM_DEBUG_KMS("No enhancement is supported\n");
3221 return true;
3222 }
3223
3224 if (IS_TV(intel_sdvo_connector))
3225 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3226 else if (IS_LVDS(intel_sdvo_connector))
3227 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3228 else
3229 return true;
3230}
3231
3232static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
3233 struct i2c_msg *msgs,
3234 int num)
3235{
3236 struct intel_sdvo *sdvo = adapter->algo_data;
3237
3238 if (!__intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
3239 return -EIO;
3240
3241 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
3242}
3243
3244static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
3245{
3246 struct intel_sdvo *sdvo = adapter->algo_data;
3247 return sdvo->i2c->algo->functionality(sdvo->i2c);
3248}
3249
3250static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
3251 .master_xfer = intel_sdvo_ddc_proxy_xfer,
3252 .functionality = intel_sdvo_ddc_proxy_func
3253};
3254
3255static void proxy_lock_bus(struct i2c_adapter *adapter,
3256 unsigned int flags)
3257{
3258 struct intel_sdvo *sdvo = adapter->algo_data;
3259 sdvo->i2c->lock_ops->lock_bus(sdvo->i2c, flags);
3260}
3261
3262static int proxy_trylock_bus(struct i2c_adapter *adapter,
3263 unsigned int flags)
3264{
3265 struct intel_sdvo *sdvo = adapter->algo_data;
3266 return sdvo->i2c->lock_ops->trylock_bus(sdvo->i2c, flags);
3267}
3268
3269static void proxy_unlock_bus(struct i2c_adapter *adapter,
3270 unsigned int flags)
3271{
3272 struct intel_sdvo *sdvo = adapter->algo_data;
3273 sdvo->i2c->lock_ops->unlock_bus(sdvo->i2c, flags);
3274}
3275
3276static const struct i2c_lock_operations proxy_lock_ops = {
3277 .lock_bus = proxy_lock_bus,
3278 .trylock_bus = proxy_trylock_bus,
3279 .unlock_bus = proxy_unlock_bus,
3280};
3281
3282static bool
3283intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
3284 struct drm_i915_private *dev_priv)
3285{
3286 struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
3287
3288 sdvo->ddc.owner = THIS_MODULE;
3289 sdvo->ddc.class = I2C_CLASS_DDC;
3290 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
3291 sdvo->ddc.dev.parent = &pdev->dev;
3292 sdvo->ddc.algo_data = sdvo;
3293 sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
3294 sdvo->ddc.lock_ops = &proxy_lock_ops;
3295
3296 return i2c_add_adapter(&sdvo->ddc) == 0;
3297}
3298
3299static void assert_sdvo_port_valid(const struct drm_i915_private *dev_priv,
3300 enum port port)
3301{
3302 if (HAS_PCH_SPLIT(dev_priv))
3303 drm_WARN_ON(&dev_priv->drm, port != PORT_B);
3304 else
3305 drm_WARN_ON(&dev_priv->drm, port != PORT_B && port != PORT_C);
3306}
3307
3308bool intel_sdvo_init(struct drm_i915_private *dev_priv,
3309 i915_reg_t sdvo_reg, enum port port)
3310{
3311 struct intel_encoder *intel_encoder;
3312 struct intel_sdvo *intel_sdvo;
3313 int i;
3314
3315 assert_sdvo_port_valid(dev_priv, port);
3316
3317 intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL);
3318 if (!intel_sdvo)
3319 return false;
3320
3321 intel_sdvo->sdvo_reg = sdvo_reg;
3322 intel_sdvo->port = port;
3323 intel_sdvo->slave_addr =
3324 intel_sdvo_get_slave_addr(dev_priv, intel_sdvo) >> 1;
3325 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo);
3326 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev_priv))
3327 goto err_i2c_bus;
3328
3329 /* encoder type will be decided later */
3330 intel_encoder = &intel_sdvo->base;
3331 intel_encoder->type = INTEL_OUTPUT_SDVO;
3332 intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER;
3333 intel_encoder->port = port;
3334 drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
3335 &intel_sdvo_enc_funcs, 0,
3336 "SDVO %c", port_name(port));
3337
3338 /* Read the regs to test if we can talk to the device */
3339 for (i = 0; i < 0x40; i++) {
3340 u8 byte;
3341
3342 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
3343 drm_dbg_kms(&dev_priv->drm,
3344 "No SDVO device found on %s\n",
3345 SDVO_NAME(intel_sdvo));
3346 goto err;
3347 }
3348 }
3349
3350 intel_encoder->compute_config = intel_sdvo_compute_config;
3351 if (HAS_PCH_SPLIT(dev_priv)) {
3352 intel_encoder->disable = pch_disable_sdvo;
3353 intel_encoder->post_disable = pch_post_disable_sdvo;
3354 } else {
3355 intel_encoder->disable = intel_disable_sdvo;
3356 }
3357 intel_encoder->pre_enable = intel_sdvo_pre_enable;
3358 intel_encoder->enable = intel_enable_sdvo;
3359 intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
3360 intel_encoder->get_config = intel_sdvo_get_config;
3361
3362 /* In default case sdvo lvds is false */
3363 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
3364 goto err;
3365
3366 intel_sdvo->colorimetry_cap =
3367 intel_sdvo_get_colorimetry_cap(intel_sdvo);
3368
3369 if (intel_sdvo_output_setup(intel_sdvo,
3370 intel_sdvo->caps.output_flags) != true) {
3371 drm_dbg_kms(&dev_priv->drm,
3372 "SDVO output failed to setup on %s\n",
3373 SDVO_NAME(intel_sdvo));
3374 /* Output_setup can leave behind connectors! */
3375 goto err_output;
3376 }
3377
3378 /*
3379 * Only enable the hotplug irq if we need it, to work around noisy
3380 * hotplug lines.
3381 */
3382 if (intel_sdvo->hotplug_active) {
3383 if (intel_sdvo->port == PORT_B)
3384 intel_encoder->hpd_pin = HPD_SDVO_B;
3385 else
3386 intel_encoder->hpd_pin = HPD_SDVO_C;
3387 }
3388
3389 /*
3390 * Cloning SDVO with anything is often impossible, since the SDVO
3391 * encoder can request a special input timing mode. And even if that's
3392 * not the case we have evidence that cloning a plain unscaled mode with
3393 * VGA doesn't really work. Furthermore the cloning flags are way too
3394 * simplistic anyway to express such constraints, so just give up on
3395 * cloning for SDVO encoders.
3396 */
3397 intel_sdvo->base.cloneable = 0;
3398
3399 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo);
3400
3401 /* Set the input timing to the screen. Assume always input 0. */
3402 if (!intel_sdvo_set_target_input(intel_sdvo))
3403 goto err_output;
3404
3405 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
3406 &intel_sdvo->pixel_clock_min,
3407 &intel_sdvo->pixel_clock_max))
3408 goto err_output;
3409
3410 drm_dbg_kms(&dev_priv->drm, "%s device VID/DID: %02X:%02X.%02X, "
3411 "clock range %dMHz - %dMHz, "
3412 "input 1: %c, input 2: %c, "
3413 "output 1: %c, output 2: %c\n",
3414 SDVO_NAME(intel_sdvo),
3415 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
3416 intel_sdvo->caps.device_rev_id,
3417 intel_sdvo->pixel_clock_min / 1000,
3418 intel_sdvo->pixel_clock_max / 1000,
3419 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
3420 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
3421 /* check currently supported outputs */
3422 intel_sdvo->caps.output_flags &
3423 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
3424 intel_sdvo->caps.output_flags &
3425 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
3426 return true;
3427
3428err_output:
3429 intel_sdvo_output_cleanup(intel_sdvo);
3430
3431err:
3432 drm_encoder_cleanup(&intel_encoder->base);
3433 i2c_del_adapter(&intel_sdvo->ddc);
3434err_i2c_bus:
3435 intel_sdvo_unselect_i2c_bus(intel_sdvo);
3436 kfree(intel_sdvo);
3437
3438 return false;
3439}