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97d3099aea239ae1568e398a8c9456fda4c0d59b
[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_sdvo.c
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 #include <linux/i2c.h>
29 #include <linux/slab.h>
30 #include <linux/delay.h>
31 #include <linux/export.h>
32 #include <drm/drmP.h>
33 #include <drm/drm_crtc.h>
34 #include <drm/drm_edid.h>
35 #include "intel_drv.h"
36 #include <drm/i915_drm.h>
37 #include "i915_drv.h"
38 #include "intel_sdvo_regs.h"
39
40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
41 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
43 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
44
45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
46 SDVO_TV_MASK)
47
48 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
49 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
50 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
51 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
52 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
53
54
55 static const char *tv_format_names[] = {
56 "NTSC_M" , "NTSC_J" , "NTSC_443",
57 "PAL_B" , "PAL_D" , "PAL_G" ,
58 "PAL_H" , "PAL_I" , "PAL_M" ,
59 "PAL_N" , "PAL_NC" , "PAL_60" ,
60 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
61 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
62 "SECAM_60"
63 };
64
65 #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
66
67 struct intel_sdvo {
68 struct intel_encoder base;
69
70 struct i2c_adapter *i2c;
71 u8 slave_addr;
72
73 struct i2c_adapter ddc;
74
75 /* Register for the SDVO device: SDVOB or SDVOC */
76 uint32_t sdvo_reg;
77
78 /* Active outputs controlled by this SDVO output */
79 uint16_t controlled_output;
80
81 /*
82 * Capabilities of the SDVO device returned by
83 * intel_sdvo_get_capabilities()
84 */
85 struct intel_sdvo_caps caps;
86
87 /* Pixel clock limitations reported by the SDVO device, in kHz */
88 int pixel_clock_min, pixel_clock_max;
89
90 /*
91 * For multiple function SDVO device,
92 * this is for current attached outputs.
93 */
94 uint16_t attached_output;
95
96 /*
97 * Hotplug activation bits for this device
98 */
99 uint16_t hotplug_active;
100
101 /**
102 * This is used to select the color range of RBG outputs in HDMI mode.
103 * It is only valid when using TMDS encoding and 8 bit per color mode.
104 */
105 uint32_t color_range;
106 bool color_range_auto;
107
108 /**
109 * This is set if we're going to treat the device as TV-out.
110 *
111 * While we have these nice friendly flags for output types that ought
112 * to decide this for us, the S-Video output on our HDMI+S-Video card
113 * shows up as RGB1 (VGA).
114 */
115 bool is_tv;
116
117 /* On different gens SDVOB is at different places. */
118 bool is_sdvob;
119
120 /* This is for current tv format name */
121 int tv_format_index;
122
123 /**
124 * This is set if we treat the device as HDMI, instead of DVI.
125 */
126 bool is_hdmi;
127 bool has_hdmi_monitor;
128 bool has_hdmi_audio;
129 bool rgb_quant_range_selectable;
130
131 /**
132 * This is set if we detect output of sdvo device as LVDS and
133 * have a valid fixed mode to use with the panel.
134 */
135 bool is_lvds;
136
137 /**
138 * This is sdvo fixed pannel mode pointer
139 */
140 struct drm_display_mode *sdvo_lvds_fixed_mode;
141
142 /* DDC bus used by this SDVO encoder */
143 uint8_t ddc_bus;
144
145 /*
146 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
147 */
148 uint8_t dtd_sdvo_flags;
149 };
150
151 struct intel_sdvo_connector {
152 struct intel_connector base;
153
154 /* Mark the type of connector */
155 uint16_t output_flag;
156
157 enum hdmi_force_audio force_audio;
158
159 /* This contains all current supported TV format */
160 u8 tv_format_supported[TV_FORMAT_NUM];
161 int format_supported_num;
162 struct drm_property *tv_format;
163
164 /* add the property for the SDVO-TV */
165 struct drm_property *left;
166 struct drm_property *right;
167 struct drm_property *top;
168 struct drm_property *bottom;
169 struct drm_property *hpos;
170 struct drm_property *vpos;
171 struct drm_property *contrast;
172 struct drm_property *saturation;
173 struct drm_property *hue;
174 struct drm_property *sharpness;
175 struct drm_property *flicker_filter;
176 struct drm_property *flicker_filter_adaptive;
177 struct drm_property *flicker_filter_2d;
178 struct drm_property *tv_chroma_filter;
179 struct drm_property *tv_luma_filter;
180 struct drm_property *dot_crawl;
181
182 /* add the property for the SDVO-TV/LVDS */
183 struct drm_property *brightness;
184
185 /* Add variable to record current setting for the above property */
186 u32 left_margin, right_margin, top_margin, bottom_margin;
187
188 /* this is to get the range of margin.*/
189 u32 max_hscan, max_vscan;
190 u32 max_hpos, cur_hpos;
191 u32 max_vpos, cur_vpos;
192 u32 cur_brightness, max_brightness;
193 u32 cur_contrast, max_contrast;
194 u32 cur_saturation, max_saturation;
195 u32 cur_hue, max_hue;
196 u32 cur_sharpness, max_sharpness;
197 u32 cur_flicker_filter, max_flicker_filter;
198 u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
199 u32 cur_flicker_filter_2d, max_flicker_filter_2d;
200 u32 cur_tv_chroma_filter, max_tv_chroma_filter;
201 u32 cur_tv_luma_filter, max_tv_luma_filter;
202 u32 cur_dot_crawl, max_dot_crawl;
203 };
204
205 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
206 {
207 return container_of(encoder, struct intel_sdvo, base.base);
208 }
209
210 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
211 {
212 return container_of(intel_attached_encoder(connector),
213 struct intel_sdvo, base);
214 }
215
216 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
217 {
218 return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
219 }
220
221 static bool
222 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
223 static bool
224 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
225 struct intel_sdvo_connector *intel_sdvo_connector,
226 int type);
227 static bool
228 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
229 struct intel_sdvo_connector *intel_sdvo_connector);
230
231 /**
232 * Writes the SDVOB or SDVOC with the given value, but always writes both
233 * SDVOB and SDVOC to work around apparent hardware issues (according to
234 * comments in the BIOS).
235 */
236 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
237 {
238 struct drm_device *dev = intel_sdvo->base.base.dev;
239 struct drm_i915_private *dev_priv = dev->dev_private;
240 u32 bval = val, cval = val;
241 int i;
242
243 if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
244 I915_WRITE(intel_sdvo->sdvo_reg, val);
245 I915_READ(intel_sdvo->sdvo_reg);
246 return;
247 }
248
249 if (intel_sdvo->sdvo_reg == GEN3_SDVOB)
250 cval = I915_READ(GEN3_SDVOC);
251 else
252 bval = I915_READ(GEN3_SDVOB);
253
254 /*
255 * Write the registers twice for luck. Sometimes,
256 * writing them only once doesn't appear to 'stick'.
257 * The BIOS does this too. Yay, magic
258 */
259 for (i = 0; i < 2; i++)
260 {
261 I915_WRITE(GEN3_SDVOB, bval);
262 I915_READ(GEN3_SDVOB);
263 I915_WRITE(GEN3_SDVOC, cval);
264 I915_READ(GEN3_SDVOC);
265 }
266 }
267
268 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
269 {
270 struct i2c_msg msgs[] = {
271 {
272 .addr = intel_sdvo->slave_addr,
273 .flags = 0,
274 .len = 1,
275 .buf = &addr,
276 },
277 {
278 .addr = intel_sdvo->slave_addr,
279 .flags = I2C_M_RD,
280 .len = 1,
281 .buf = ch,
282 }
283 };
284 int ret;
285
286 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
287 return true;
288
289 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
290 return false;
291 }
292
293 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
294 /** Mapping of command numbers to names, for debug output */
295 static const struct _sdvo_cmd_name {
296 u8 cmd;
297 const char *name;
298 } sdvo_cmd_names[] = {
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
342
343 /* Add the op code for SDVO enhancements */
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
387 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
388
389 /* HDMI op code */
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
398 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
399 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
400 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
401 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
402 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
403 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
404 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
405 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
406 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
407 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
408 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
409 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
410 };
411
412 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
413
414 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
415 const void *args, int args_len)
416 {
417 int i;
418
419 DRM_DEBUG_KMS("%s: W: %02X ",
420 SDVO_NAME(intel_sdvo), cmd);
421 for (i = 0; i < args_len; i++)
422 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
423 for (; i < 8; i++)
424 DRM_LOG_KMS(" ");
425 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
426 if (cmd == sdvo_cmd_names[i].cmd) {
427 DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
428 break;
429 }
430 }
431 if (i == ARRAY_SIZE(sdvo_cmd_names))
432 DRM_LOG_KMS("(%02X)", cmd);
433 DRM_LOG_KMS("\n");
434 }
435
436 static const char *cmd_status_names[] = {
437 "Power on",
438 "Success",
439 "Not supported",
440 "Invalid arg",
441 "Pending",
442 "Target not specified",
443 "Scaling not supported"
444 };
445
446 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
447 const void *args, int args_len)
448 {
449 u8 *buf, status;
450 struct i2c_msg *msgs;
451 int i, ret = true;
452
453 /* Would be simpler to allocate both in one go ? */
454 buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
455 if (!buf)
456 return false;
457
458 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
459 if (!msgs) {
460 kfree(buf);
461 return false;
462 }
463
464 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
465
466 for (i = 0; i < args_len; i++) {
467 msgs[i].addr = intel_sdvo->slave_addr;
468 msgs[i].flags = 0;
469 msgs[i].len = 2;
470 msgs[i].buf = buf + 2 *i;
471 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
472 buf[2*i + 1] = ((u8*)args)[i];
473 }
474 msgs[i].addr = intel_sdvo->slave_addr;
475 msgs[i].flags = 0;
476 msgs[i].len = 2;
477 msgs[i].buf = buf + 2*i;
478 buf[2*i + 0] = SDVO_I2C_OPCODE;
479 buf[2*i + 1] = cmd;
480
481 /* the following two are to read the response */
482 status = SDVO_I2C_CMD_STATUS;
483 msgs[i+1].addr = intel_sdvo->slave_addr;
484 msgs[i+1].flags = 0;
485 msgs[i+1].len = 1;
486 msgs[i+1].buf = &status;
487
488 msgs[i+2].addr = intel_sdvo->slave_addr;
489 msgs[i+2].flags = I2C_M_RD;
490 msgs[i+2].len = 1;
491 msgs[i+2].buf = &status;
492
493 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
494 if (ret < 0) {
495 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
496 ret = false;
497 goto out;
498 }
499 if (ret != i+3) {
500 /* failure in I2C transfer */
501 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
502 ret = false;
503 }
504
505 out:
506 kfree(msgs);
507 kfree(buf);
508 return ret;
509 }
510
511 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
512 void *response, int response_len)
513 {
514 u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
515 u8 status;
516 int i;
517
518 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
519
520 /*
521 * The documentation states that all commands will be
522 * processed within 15µs, and that we need only poll
523 * the status byte a maximum of 3 times in order for the
524 * command to be complete.
525 *
526 * Check 5 times in case the hardware failed to read the docs.
527 *
528 * Also beware that the first response by many devices is to
529 * reply PENDING and stall for time. TVs are notorious for
530 * requiring longer than specified to complete their replies.
531 * Originally (in the DDX long ago), the delay was only ever 15ms
532 * with an additional delay of 30ms applied for TVs added later after
533 * many experiments. To accommodate both sets of delays, we do a
534 * sequence of slow checks if the device is falling behind and fails
535 * to reply within 5*15µs.
536 */
537 if (!intel_sdvo_read_byte(intel_sdvo,
538 SDVO_I2C_CMD_STATUS,
539 &status))
540 goto log_fail;
541
542 while (status == SDVO_CMD_STATUS_PENDING && --retry) {
543 if (retry < 10)
544 msleep(15);
545 else
546 udelay(15);
547
548 if (!intel_sdvo_read_byte(intel_sdvo,
549 SDVO_I2C_CMD_STATUS,
550 &status))
551 goto log_fail;
552 }
553
554 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
555 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
556 else
557 DRM_LOG_KMS("(??? %d)", status);
558
559 if (status != SDVO_CMD_STATUS_SUCCESS)
560 goto log_fail;
561
562 /* Read the command response */
563 for (i = 0; i < response_len; i++) {
564 if (!intel_sdvo_read_byte(intel_sdvo,
565 SDVO_I2C_RETURN_0 + i,
566 &((u8 *)response)[i]))
567 goto log_fail;
568 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
569 }
570 DRM_LOG_KMS("\n");
571 return true;
572
573 log_fail:
574 DRM_LOG_KMS("... failed\n");
575 return false;
576 }
577
578 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
579 {
580 if (mode->clock >= 100000)
581 return 1;
582 else if (mode->clock >= 50000)
583 return 2;
584 else
585 return 4;
586 }
587
588 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
589 u8 ddc_bus)
590 {
591 /* This must be the immediately preceding write before the i2c xfer */
592 return intel_sdvo_write_cmd(intel_sdvo,
593 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
594 &ddc_bus, 1);
595 }
596
597 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
598 {
599 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
600 return false;
601
602 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
603 }
604
605 static bool
606 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
607 {
608 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
609 return false;
610
611 return intel_sdvo_read_response(intel_sdvo, value, len);
612 }
613
614 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
615 {
616 struct intel_sdvo_set_target_input_args targets = {0};
617 return intel_sdvo_set_value(intel_sdvo,
618 SDVO_CMD_SET_TARGET_INPUT,
619 &targets, sizeof(targets));
620 }
621
622 /**
623 * Return whether each input is trained.
624 *
625 * This function is making an assumption about the layout of the response,
626 * which should be checked against the docs.
627 */
628 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
629 {
630 struct intel_sdvo_get_trained_inputs_response response;
631
632 BUILD_BUG_ON(sizeof(response) != 1);
633 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
634 &response, sizeof(response)))
635 return false;
636
637 *input_1 = response.input0_trained;
638 *input_2 = response.input1_trained;
639 return true;
640 }
641
642 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
643 u16 outputs)
644 {
645 return intel_sdvo_set_value(intel_sdvo,
646 SDVO_CMD_SET_ACTIVE_OUTPUTS,
647 &outputs, sizeof(outputs));
648 }
649
650 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
651 u16 *outputs)
652 {
653 return intel_sdvo_get_value(intel_sdvo,
654 SDVO_CMD_GET_ACTIVE_OUTPUTS,
655 outputs, sizeof(*outputs));
656 }
657
658 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
659 int mode)
660 {
661 u8 state = SDVO_ENCODER_STATE_ON;
662
663 switch (mode) {
664 case DRM_MODE_DPMS_ON:
665 state = SDVO_ENCODER_STATE_ON;
666 break;
667 case DRM_MODE_DPMS_STANDBY:
668 state = SDVO_ENCODER_STATE_STANDBY;
669 break;
670 case DRM_MODE_DPMS_SUSPEND:
671 state = SDVO_ENCODER_STATE_SUSPEND;
672 break;
673 case DRM_MODE_DPMS_OFF:
674 state = SDVO_ENCODER_STATE_OFF;
675 break;
676 }
677
678 return intel_sdvo_set_value(intel_sdvo,
679 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
680 }
681
682 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
683 int *clock_min,
684 int *clock_max)
685 {
686 struct intel_sdvo_pixel_clock_range clocks;
687
688 BUILD_BUG_ON(sizeof(clocks) != 4);
689 if (!intel_sdvo_get_value(intel_sdvo,
690 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
691 &clocks, sizeof(clocks)))
692 return false;
693
694 /* Convert the values from units of 10 kHz to kHz. */
695 *clock_min = clocks.min * 10;
696 *clock_max = clocks.max * 10;
697 return true;
698 }
699
700 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
701 u16 outputs)
702 {
703 return intel_sdvo_set_value(intel_sdvo,
704 SDVO_CMD_SET_TARGET_OUTPUT,
705 &outputs, sizeof(outputs));
706 }
707
708 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
709 struct intel_sdvo_dtd *dtd)
710 {
711 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
712 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
713 }
714
715 static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
716 struct intel_sdvo_dtd *dtd)
717 {
718 return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
719 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
720 }
721
722 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
723 struct intel_sdvo_dtd *dtd)
724 {
725 return intel_sdvo_set_timing(intel_sdvo,
726 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
727 }
728
729 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
730 struct intel_sdvo_dtd *dtd)
731 {
732 return intel_sdvo_set_timing(intel_sdvo,
733 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
734 }
735
736 static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
737 struct intel_sdvo_dtd *dtd)
738 {
739 return intel_sdvo_get_timing(intel_sdvo,
740 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
741 }
742
743 static bool
744 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
745 uint16_t clock,
746 uint16_t width,
747 uint16_t height)
748 {
749 struct intel_sdvo_preferred_input_timing_args args;
750
751 memset(&args, 0, sizeof(args));
752 args.clock = clock;
753 args.width = width;
754 args.height = height;
755 args.interlace = 0;
756
757 if (intel_sdvo->is_lvds &&
758 (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
759 intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
760 args.scaled = 1;
761
762 return intel_sdvo_set_value(intel_sdvo,
763 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
764 &args, sizeof(args));
765 }
766
767 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
768 struct intel_sdvo_dtd *dtd)
769 {
770 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
771 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
772 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
773 &dtd->part1, sizeof(dtd->part1)) &&
774 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
775 &dtd->part2, sizeof(dtd->part2));
776 }
777
778 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
779 {
780 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
781 }
782
783 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
784 const struct drm_display_mode *mode)
785 {
786 uint16_t width, height;
787 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
788 uint16_t h_sync_offset, v_sync_offset;
789 int mode_clock;
790
791 width = mode->hdisplay;
792 height = mode->vdisplay;
793
794 /* do some mode translations */
795 h_blank_len = mode->htotal - mode->hdisplay;
796 h_sync_len = mode->hsync_end - mode->hsync_start;
797
798 v_blank_len = mode->vtotal - mode->vdisplay;
799 v_sync_len = mode->vsync_end - mode->vsync_start;
800
801 h_sync_offset = mode->hsync_start - mode->hdisplay;
802 v_sync_offset = mode->vsync_start - mode->vdisplay;
803
804 mode_clock = mode->clock;
805 mode_clock /= 10;
806 dtd->part1.clock = mode_clock;
807
808 dtd->part1.h_active = width & 0xff;
809 dtd->part1.h_blank = h_blank_len & 0xff;
810 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
811 ((h_blank_len >> 8) & 0xf);
812 dtd->part1.v_active = height & 0xff;
813 dtd->part1.v_blank = v_blank_len & 0xff;
814 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
815 ((v_blank_len >> 8) & 0xf);
816
817 dtd->part2.h_sync_off = h_sync_offset & 0xff;
818 dtd->part2.h_sync_width = h_sync_len & 0xff;
819 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
820 (v_sync_len & 0xf);
821 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
822 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
823 ((v_sync_len & 0x30) >> 4);
824
825 dtd->part2.dtd_flags = 0x18;
826 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
827 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
828 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
829 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
830 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
831 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
832
833 dtd->part2.sdvo_flags = 0;
834 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
835 dtd->part2.reserved = 0;
836 }
837
838 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
839 const struct intel_sdvo_dtd *dtd)
840 {
841 mode->hdisplay = dtd->part1.h_active;
842 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
843 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
844 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
845 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
846 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
847 mode->htotal = mode->hdisplay + dtd->part1.h_blank;
848 mode->htotal += (dtd->part1.h_high & 0xf) << 8;
849
850 mode->vdisplay = dtd->part1.v_active;
851 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
852 mode->vsync_start = mode->vdisplay;
853 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
854 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
855 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
856 mode->vsync_end = mode->vsync_start +
857 (dtd->part2.v_sync_off_width & 0xf);
858 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
859 mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
860 mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
861
862 mode->clock = dtd->part1.clock * 10;
863
864 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
865 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
866 mode->flags |= DRM_MODE_FLAG_INTERLACE;
867 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
868 mode->flags |= DRM_MODE_FLAG_PHSYNC;
869 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
870 mode->flags |= DRM_MODE_FLAG_PVSYNC;
871 }
872
873 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
874 {
875 struct intel_sdvo_encode encode;
876
877 BUILD_BUG_ON(sizeof(encode) != 2);
878 return intel_sdvo_get_value(intel_sdvo,
879 SDVO_CMD_GET_SUPP_ENCODE,
880 &encode, sizeof(encode));
881 }
882
883 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
884 uint8_t mode)
885 {
886 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
887 }
888
889 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
890 uint8_t mode)
891 {
892 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
893 }
894
895 #if 0
896 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
897 {
898 int i, j;
899 uint8_t set_buf_index[2];
900 uint8_t av_split;
901 uint8_t buf_size;
902 uint8_t buf[48];
903 uint8_t *pos;
904
905 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
906
907 for (i = 0; i <= av_split; i++) {
908 set_buf_index[0] = i; set_buf_index[1] = 0;
909 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
910 set_buf_index, 2);
911 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
912 intel_sdvo_read_response(encoder, &buf_size, 1);
913
914 pos = buf;
915 for (j = 0; j <= buf_size; j += 8) {
916 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
917 NULL, 0);
918 intel_sdvo_read_response(encoder, pos, 8);
919 pos += 8;
920 }
921 }
922 }
923 #endif
924
925 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
926 unsigned if_index, uint8_t tx_rate,
927 uint8_t *data, unsigned length)
928 {
929 uint8_t set_buf_index[2] = { if_index, 0 };
930 uint8_t hbuf_size, tmp[8];
931 int i;
932
933 if (!intel_sdvo_set_value(intel_sdvo,
934 SDVO_CMD_SET_HBUF_INDEX,
935 set_buf_index, 2))
936 return false;
937
938 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
939 &hbuf_size, 1))
940 return false;
941
942 /* Buffer size is 0 based, hooray! */
943 hbuf_size++;
944
945 DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
946 if_index, length, hbuf_size);
947
948 for (i = 0; i < hbuf_size; i += 8) {
949 memset(tmp, 0, 8);
950 if (i < length)
951 memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
952
953 if (!intel_sdvo_set_value(intel_sdvo,
954 SDVO_CMD_SET_HBUF_DATA,
955 tmp, 8))
956 return false;
957 }
958
959 return intel_sdvo_set_value(intel_sdvo,
960 SDVO_CMD_SET_HBUF_TXRATE,
961 &tx_rate, 1);
962 }
963
964 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
965 const struct drm_display_mode *adjusted_mode)
966 {
967 struct dip_infoframe avi_if = {
968 .type = DIP_TYPE_AVI,
969 .ver = DIP_VERSION_AVI,
970 .len = DIP_LEN_AVI,
971 };
972 uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
973 struct intel_crtc *intel_crtc = to_intel_crtc(intel_sdvo->base.base.crtc);
974
975 if (intel_sdvo->rgb_quant_range_selectable) {
976 if (intel_crtc->config.limited_color_range)
977 avi_if.body.avi.ITC_EC_Q_SC |= DIP_AVI_RGB_QUANT_RANGE_LIMITED;
978 else
979 avi_if.body.avi.ITC_EC_Q_SC |= DIP_AVI_RGB_QUANT_RANGE_FULL;
980 }
981
982 avi_if.body.avi.VIC = drm_match_cea_mode(adjusted_mode);
983
984 intel_dip_infoframe_csum(&avi_if);
985
986 /* sdvo spec says that the ecc is handled by the hw, and it looks like
987 * we must not send the ecc field, either. */
988 memcpy(sdvo_data, &avi_if, 3);
989 sdvo_data[3] = avi_if.checksum;
990 memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
991
992 return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
993 SDVO_HBUF_TX_VSYNC,
994 sdvo_data, sizeof(sdvo_data));
995 }
996
997 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
998 {
999 struct intel_sdvo_tv_format format;
1000 uint32_t format_map;
1001
1002 format_map = 1 << intel_sdvo->tv_format_index;
1003 memset(&format, 0, sizeof(format));
1004 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
1005
1006 BUILD_BUG_ON(sizeof(format) != 6);
1007 return intel_sdvo_set_value(intel_sdvo,
1008 SDVO_CMD_SET_TV_FORMAT,
1009 &format, sizeof(format));
1010 }
1011
1012 static bool
1013 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
1014 const struct drm_display_mode *mode)
1015 {
1016 struct intel_sdvo_dtd output_dtd;
1017
1018 if (!intel_sdvo_set_target_output(intel_sdvo,
1019 intel_sdvo->attached_output))
1020 return false;
1021
1022 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1023 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1024 return false;
1025
1026 return true;
1027 }
1028
1029 /* Asks the sdvo controller for the preferred input mode given the output mode.
1030 * Unfortunately we have to set up the full output mode to do that. */
1031 static bool
1032 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1033 const struct drm_display_mode *mode,
1034 struct drm_display_mode *adjusted_mode)
1035 {
1036 struct intel_sdvo_dtd input_dtd;
1037
1038 /* Reset the input timing to the screen. Assume always input 0. */
1039 if (!intel_sdvo_set_target_input(intel_sdvo))
1040 return false;
1041
1042 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1043 mode->clock / 10,
1044 mode->hdisplay,
1045 mode->vdisplay))
1046 return false;
1047
1048 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1049 &input_dtd))
1050 return false;
1051
1052 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1053 intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1054
1055 return true;
1056 }
1057
1058 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_config *pipe_config)
1059 {
1060 unsigned dotclock = pipe_config->adjusted_mode.clock;
1061 struct dpll *clock = &pipe_config->dpll;
1062
1063 /* SDVO TV has fixed PLL values depend on its clock range,
1064 this mirrors vbios setting. */
1065 if (dotclock >= 100000 && dotclock < 140500) {
1066 clock->p1 = 2;
1067 clock->p2 = 10;
1068 clock->n = 3;
1069 clock->m1 = 16;
1070 clock->m2 = 8;
1071 } else if (dotclock >= 140500 && dotclock <= 200000) {
1072 clock->p1 = 1;
1073 clock->p2 = 10;
1074 clock->n = 6;
1075 clock->m1 = 12;
1076 clock->m2 = 8;
1077 } else {
1078 WARN(1, "SDVO TV clock out of range: %i\n", dotclock);
1079 }
1080
1081 pipe_config->clock_set = true;
1082 }
1083
1084 static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
1085 struct intel_crtc_config *pipe_config)
1086 {
1087 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1088 struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
1089 struct drm_display_mode *mode = &pipe_config->requested_mode;
1090
1091 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1092 pipe_config->pipe_bpp = 8*3;
1093
1094 if (HAS_PCH_SPLIT(encoder->base.dev))
1095 pipe_config->has_pch_encoder = true;
1096
1097 /* We need to construct preferred input timings based on our
1098 * output timings. To do that, we have to set the output
1099 * timings, even though this isn't really the right place in
1100 * the sequence to do it. Oh well.
1101 */
1102 if (intel_sdvo->is_tv) {
1103 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1104 return false;
1105
1106 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1107 mode,
1108 adjusted_mode);
1109 pipe_config->sdvo_tv_clock = true;
1110 } else if (intel_sdvo->is_lvds) {
1111 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1112 intel_sdvo->sdvo_lvds_fixed_mode))
1113 return false;
1114
1115 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1116 mode,
1117 adjusted_mode);
1118 }
1119
1120 /* Make the CRTC code factor in the SDVO pixel multiplier. The
1121 * SDVO device will factor out the multiplier during mode_set.
1122 */
1123 pipe_config->pixel_multiplier =
1124 intel_sdvo_get_pixel_multiplier(adjusted_mode);
1125 adjusted_mode->clock *= pipe_config->pixel_multiplier;
1126
1127 if (intel_sdvo->color_range_auto) {
1128 /* See CEA-861-E - 5.1 Default Encoding Parameters */
1129 /* FIXME: This bit is only valid when using TMDS encoding and 8
1130 * bit per color mode. */
1131 if (intel_sdvo->has_hdmi_monitor &&
1132 drm_match_cea_mode(adjusted_mode) > 1)
1133 intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235;
1134 else
1135 intel_sdvo->color_range = 0;
1136 }
1137
1138 if (intel_sdvo->color_range)
1139 pipe_config->limited_color_range = true;
1140
1141 /* Clock computation needs to happen after pixel multiplier. */
1142 if (intel_sdvo->is_tv)
1143 i9xx_adjust_sdvo_tv_clock(pipe_config);
1144
1145 return true;
1146 }
1147
1148 static void intel_sdvo_mode_set(struct intel_encoder *intel_encoder)
1149 {
1150 struct drm_device *dev = intel_encoder->base.dev;
1151 struct drm_i915_private *dev_priv = dev->dev_private;
1152 struct drm_crtc *crtc = intel_encoder->base.crtc;
1153 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1154 struct drm_display_mode *adjusted_mode =
1155 &intel_crtc->config.adjusted_mode;
1156 struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
1157 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&intel_encoder->base);
1158 u32 sdvox;
1159 struct intel_sdvo_in_out_map in_out;
1160 struct intel_sdvo_dtd input_dtd, output_dtd;
1161 int rate;
1162
1163 if (!mode)
1164 return;
1165
1166 /* First, set the input mapping for the first input to our controlled
1167 * output. This is only correct if we're a single-input device, in
1168 * which case the first input is the output from the appropriate SDVO
1169 * channel on the motherboard. In a two-input device, the first input
1170 * will be SDVOB and the second SDVOC.
1171 */
1172 in_out.in0 = intel_sdvo->attached_output;
1173 in_out.in1 = 0;
1174
1175 intel_sdvo_set_value(intel_sdvo,
1176 SDVO_CMD_SET_IN_OUT_MAP,
1177 &in_out, sizeof(in_out));
1178
1179 /* Set the output timings to the screen */
1180 if (!intel_sdvo_set_target_output(intel_sdvo,
1181 intel_sdvo->attached_output))
1182 return;
1183
1184 /* lvds has a special fixed output timing. */
1185 if (intel_sdvo->is_lvds)
1186 intel_sdvo_get_dtd_from_mode(&output_dtd,
1187 intel_sdvo->sdvo_lvds_fixed_mode);
1188 else
1189 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1190 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1191 DRM_INFO("Setting output timings on %s failed\n",
1192 SDVO_NAME(intel_sdvo));
1193
1194 /* Set the input timing to the screen. Assume always input 0. */
1195 if (!intel_sdvo_set_target_input(intel_sdvo))
1196 return;
1197
1198 if (intel_sdvo->has_hdmi_monitor) {
1199 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1200 intel_sdvo_set_colorimetry(intel_sdvo,
1201 SDVO_COLORIMETRY_RGB256);
1202 intel_sdvo_set_avi_infoframe(intel_sdvo, adjusted_mode);
1203 } else
1204 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1205
1206 if (intel_sdvo->is_tv &&
1207 !intel_sdvo_set_tv_format(intel_sdvo))
1208 return;
1209
1210 /* We have tried to get input timing in mode_fixup, and filled into
1211 * adjusted_mode.
1212 */
1213 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1214 if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
1215 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1216 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1217 DRM_INFO("Setting input timings on %s failed\n",
1218 SDVO_NAME(intel_sdvo));
1219
1220 switch (intel_crtc->config.pixel_multiplier) {
1221 default:
1222 WARN(1, "unknown pixel mutlipler specified\n");
1223 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1224 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1225 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1226 }
1227 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1228 return;
1229
1230 /* Set the SDVO control regs. */
1231 if (INTEL_INFO(dev)->gen >= 4) {
1232 /* The real mode polarity is set by the SDVO commands, using
1233 * struct intel_sdvo_dtd. */
1234 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1235 if (!HAS_PCH_SPLIT(dev) && intel_sdvo->is_hdmi)
1236 sdvox |= intel_sdvo->color_range;
1237 if (INTEL_INFO(dev)->gen < 5)
1238 sdvox |= SDVO_BORDER_ENABLE;
1239 } else {
1240 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1241 switch (intel_sdvo->sdvo_reg) {
1242 case GEN3_SDVOB:
1243 sdvox &= SDVOB_PRESERVE_MASK;
1244 break;
1245 case GEN3_SDVOC:
1246 sdvox &= SDVOC_PRESERVE_MASK;
1247 break;
1248 }
1249 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1250 }
1251
1252 if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1253 sdvox |= SDVO_PIPE_SEL_CPT(intel_crtc->pipe);
1254 else
1255 sdvox |= SDVO_PIPE_SEL(intel_crtc->pipe);
1256
1257 if (intel_sdvo->has_hdmi_audio)
1258 sdvox |= SDVO_AUDIO_ENABLE;
1259
1260 if (INTEL_INFO(dev)->gen >= 4) {
1261 /* done in crtc_mode_set as the dpll_md reg must be written early */
1262 } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1263 /* done in crtc_mode_set as it lives inside the dpll register */
1264 } else {
1265 sdvox |= (intel_crtc->config.pixel_multiplier - 1)
1266 << SDVO_PORT_MULTIPLY_SHIFT;
1267 }
1268
1269 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1270 INTEL_INFO(dev)->gen < 5)
1271 sdvox |= SDVO_STALL_SELECT;
1272 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1273 }
1274
1275 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1276 {
1277 struct intel_sdvo_connector *intel_sdvo_connector =
1278 to_intel_sdvo_connector(&connector->base);
1279 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
1280 u16 active_outputs = 0;
1281
1282 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1283
1284 if (active_outputs & intel_sdvo_connector->output_flag)
1285 return true;
1286 else
1287 return false;
1288 }
1289
1290 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1291 enum pipe *pipe)
1292 {
1293 struct drm_device *dev = encoder->base.dev;
1294 struct drm_i915_private *dev_priv = dev->dev_private;
1295 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1296 u16 active_outputs = 0;
1297 u32 tmp;
1298
1299 tmp = I915_READ(intel_sdvo->sdvo_reg);
1300 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1301
1302 if (!(tmp & SDVO_ENABLE) && (active_outputs == 0))
1303 return false;
1304
1305 if (HAS_PCH_CPT(dev))
1306 *pipe = PORT_TO_PIPE_CPT(tmp);
1307 else
1308 *pipe = PORT_TO_PIPE(tmp);
1309
1310 return true;
1311 }
1312
1313 static void intel_sdvo_get_config(struct intel_encoder *encoder,
1314 struct intel_crtc_config *pipe_config)
1315 {
1316 struct drm_device *dev = encoder->base.dev;
1317 struct drm_i915_private *dev_priv = dev->dev_private;
1318 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1319 struct intel_sdvo_dtd dtd;
1320 int encoder_pixel_multiplier = 0;
1321 u32 flags = 0, sdvox;
1322 u8 val;
1323 bool ret;
1324
1325 ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
1326 if (!ret) {
1327 /* Some sdvo encoders are not spec compliant and don't
1328 * implement the mandatory get_timings function. */
1329 DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n");
1330 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
1331 } else {
1332 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
1333 flags |= DRM_MODE_FLAG_PHSYNC;
1334 else
1335 flags |= DRM_MODE_FLAG_NHSYNC;
1336
1337 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
1338 flags |= DRM_MODE_FLAG_PVSYNC;
1339 else
1340 flags |= DRM_MODE_FLAG_NVSYNC;
1341 }
1342
1343 pipe_config->adjusted_mode.flags |= flags;
1344
1345 if (IS_I915G(dev) || IS_I915GM(dev)) {
1346 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1347 pipe_config->pixel_multiplier =
1348 ((sdvox & SDVO_PORT_MULTIPLY_MASK)
1349 >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
1350 }
1351
1352 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1353 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT, &val, 1);
1354 switch (val) {
1355 case SDVO_CLOCK_RATE_MULT_1X:
1356 encoder_pixel_multiplier = 1;
1357 break;
1358 case SDVO_CLOCK_RATE_MULT_2X:
1359 encoder_pixel_multiplier = 2;
1360 break;
1361 case SDVO_CLOCK_RATE_MULT_4X:
1362 encoder_pixel_multiplier = 4;
1363 break;
1364 }
1365 WARN(encoder_pixel_multiplier != pipe_config->pixel_multiplier,
1366 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1367 pipe_config->pixel_multiplier, encoder_pixel_multiplier);
1368 }
1369
1370 static void intel_disable_sdvo(struct intel_encoder *encoder)
1371 {
1372 struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
1373 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1374 u32 temp;
1375
1376 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1377 if (0)
1378 intel_sdvo_set_encoder_power_state(intel_sdvo,
1379 DRM_MODE_DPMS_OFF);
1380
1381 temp = I915_READ(intel_sdvo->sdvo_reg);
1382 if ((temp & SDVO_ENABLE) != 0) {
1383 /* HW workaround for IBX, we need to move the port to
1384 * transcoder A before disabling it. */
1385 if (HAS_PCH_IBX(encoder->base.dev)) {
1386 struct drm_crtc *crtc = encoder->base.crtc;
1387 int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
1388
1389 if (temp & SDVO_PIPE_B_SELECT) {
1390 temp &= ~SDVO_PIPE_B_SELECT;
1391 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1392 POSTING_READ(intel_sdvo->sdvo_reg);
1393
1394 /* Again we need to write this twice. */
1395 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1396 POSTING_READ(intel_sdvo->sdvo_reg);
1397
1398 /* Transcoder selection bits only update
1399 * effectively on vblank. */
1400 if (crtc)
1401 intel_wait_for_vblank(encoder->base.dev, pipe);
1402 else
1403 msleep(50);
1404 }
1405 }
1406
1407 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1408 }
1409 }
1410
1411 static void intel_enable_sdvo(struct intel_encoder *encoder)
1412 {
1413 struct drm_device *dev = encoder->base.dev;
1414 struct drm_i915_private *dev_priv = dev->dev_private;
1415 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1416 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
1417 u32 temp;
1418 bool input1, input2;
1419 int i;
1420 u8 status;
1421
1422 temp = I915_READ(intel_sdvo->sdvo_reg);
1423 if ((temp & SDVO_ENABLE) == 0) {
1424 /* HW workaround for IBX, we need to move the port
1425 * to transcoder A before disabling it, so restore it here. */
1426 if (HAS_PCH_IBX(dev))
1427 temp |= SDVO_PIPE_SEL(intel_crtc->pipe);
1428
1429 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1430 }
1431 for (i = 0; i < 2; i++)
1432 intel_wait_for_vblank(dev, intel_crtc->pipe);
1433
1434 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1435 /* Warn if the device reported failure to sync.
1436 * A lot of SDVO devices fail to notify of sync, but it's
1437 * a given it the status is a success, we succeeded.
1438 */
1439 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1440 DRM_DEBUG_KMS("First %s output reported failure to "
1441 "sync\n", SDVO_NAME(intel_sdvo));
1442 }
1443
1444 if (0)
1445 intel_sdvo_set_encoder_power_state(intel_sdvo,
1446 DRM_MODE_DPMS_ON);
1447 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1448 }
1449
1450 /* Special dpms function to support cloning between dvo/sdvo/crt. */
1451 static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
1452 {
1453 struct drm_crtc *crtc;
1454 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1455
1456 /* dvo supports only 2 dpms states. */
1457 if (mode != DRM_MODE_DPMS_ON)
1458 mode = DRM_MODE_DPMS_OFF;
1459
1460 if (mode == connector->dpms)
1461 return;
1462
1463 connector->dpms = mode;
1464
1465 /* Only need to change hw state when actually enabled */
1466 crtc = intel_sdvo->base.base.crtc;
1467 if (!crtc) {
1468 intel_sdvo->base.connectors_active = false;
1469 return;
1470 }
1471
1472 /* We set active outputs manually below in case pipe dpms doesn't change
1473 * due to cloning. */
1474 if (mode != DRM_MODE_DPMS_ON) {
1475 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1476 if (0)
1477 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1478
1479 intel_sdvo->base.connectors_active = false;
1480
1481 intel_crtc_update_dpms(crtc);
1482 } else {
1483 intel_sdvo->base.connectors_active = true;
1484
1485 intel_crtc_update_dpms(crtc);
1486
1487 if (0)
1488 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1489 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1490 }
1491
1492 intel_modeset_check_state(connector->dev);
1493 }
1494
1495 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1496 struct drm_display_mode *mode)
1497 {
1498 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1499
1500 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1501 return MODE_NO_DBLESCAN;
1502
1503 if (intel_sdvo->pixel_clock_min > mode->clock)
1504 return MODE_CLOCK_LOW;
1505
1506 if (intel_sdvo->pixel_clock_max < mode->clock)
1507 return MODE_CLOCK_HIGH;
1508
1509 if (intel_sdvo->is_lvds) {
1510 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1511 return MODE_PANEL;
1512
1513 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1514 return MODE_PANEL;
1515 }
1516
1517 return MODE_OK;
1518 }
1519
1520 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1521 {
1522 BUILD_BUG_ON(sizeof(*caps) != 8);
1523 if (!intel_sdvo_get_value(intel_sdvo,
1524 SDVO_CMD_GET_DEVICE_CAPS,
1525 caps, sizeof(*caps)))
1526 return false;
1527
1528 DRM_DEBUG_KMS("SDVO capabilities:\n"
1529 " vendor_id: %d\n"
1530 " device_id: %d\n"
1531 " device_rev_id: %d\n"
1532 " sdvo_version_major: %d\n"
1533 " sdvo_version_minor: %d\n"
1534 " sdvo_inputs_mask: %d\n"
1535 " smooth_scaling: %d\n"
1536 " sharp_scaling: %d\n"
1537 " up_scaling: %d\n"
1538 " down_scaling: %d\n"
1539 " stall_support: %d\n"
1540 " output_flags: %d\n",
1541 caps->vendor_id,
1542 caps->device_id,
1543 caps->device_rev_id,
1544 caps->sdvo_version_major,
1545 caps->sdvo_version_minor,
1546 caps->sdvo_inputs_mask,
1547 caps->smooth_scaling,
1548 caps->sharp_scaling,
1549 caps->up_scaling,
1550 caps->down_scaling,
1551 caps->stall_support,
1552 caps->output_flags);
1553
1554 return true;
1555 }
1556
1557 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1558 {
1559 struct drm_device *dev = intel_sdvo->base.base.dev;
1560 uint16_t hotplug;
1561
1562 /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1563 * on the line. */
1564 if (IS_I945G(dev) || IS_I945GM(dev))
1565 return 0;
1566
1567 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1568 &hotplug, sizeof(hotplug)))
1569 return 0;
1570
1571 return hotplug;
1572 }
1573
1574 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1575 {
1576 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1577
1578 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1579 &intel_sdvo->hotplug_active, 2);
1580 }
1581
1582 static bool
1583 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1584 {
1585 /* Is there more than one type of output? */
1586 return hweight16(intel_sdvo->caps.output_flags) > 1;
1587 }
1588
1589 static struct edid *
1590 intel_sdvo_get_edid(struct drm_connector *connector)
1591 {
1592 struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1593 return drm_get_edid(connector, &sdvo->ddc);
1594 }
1595
1596 /* Mac mini hack -- use the same DDC as the analog connector */
1597 static struct edid *
1598 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1599 {
1600 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1601
1602 return drm_get_edid(connector,
1603 intel_gmbus_get_adapter(dev_priv,
1604 dev_priv->vbt.crt_ddc_pin));
1605 }
1606
1607 static enum drm_connector_status
1608 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1609 {
1610 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1611 enum drm_connector_status status;
1612 struct edid *edid;
1613
1614 edid = intel_sdvo_get_edid(connector);
1615
1616 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1617 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1618
1619 /*
1620 * Don't use the 1 as the argument of DDC bus switch to get
1621 * the EDID. It is used for SDVO SPD ROM.
1622 */
1623 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1624 intel_sdvo->ddc_bus = ddc;
1625 edid = intel_sdvo_get_edid(connector);
1626 if (edid)
1627 break;
1628 }
1629 /*
1630 * If we found the EDID on the other bus,
1631 * assume that is the correct DDC bus.
1632 */
1633 if (edid == NULL)
1634 intel_sdvo->ddc_bus = saved_ddc;
1635 }
1636
1637 /*
1638 * When there is no edid and no monitor is connected with VGA
1639 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1640 */
1641 if (edid == NULL)
1642 edid = intel_sdvo_get_analog_edid(connector);
1643
1644 status = connector_status_unknown;
1645 if (edid != NULL) {
1646 /* DDC bus is shared, match EDID to connector type */
1647 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1648 status = connector_status_connected;
1649 if (intel_sdvo->is_hdmi) {
1650 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1651 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1652 intel_sdvo->rgb_quant_range_selectable =
1653 drm_rgb_quant_range_selectable(edid);
1654 }
1655 } else
1656 status = connector_status_disconnected;
1657 kfree(edid);
1658 }
1659
1660 if (status == connector_status_connected) {
1661 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1662 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1663 intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1664 }
1665
1666 return status;
1667 }
1668
1669 static bool
1670 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1671 struct edid *edid)
1672 {
1673 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1674 bool connector_is_digital = !!IS_DIGITAL(sdvo);
1675
1676 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1677 connector_is_digital, monitor_is_digital);
1678 return connector_is_digital == monitor_is_digital;
1679 }
1680
1681 static enum drm_connector_status
1682 intel_sdvo_detect(struct drm_connector *connector, bool force)
1683 {
1684 uint16_t response;
1685 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1686 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1687 enum drm_connector_status ret;
1688
1689 if (!intel_sdvo_get_value(intel_sdvo,
1690 SDVO_CMD_GET_ATTACHED_DISPLAYS,
1691 &response, 2))
1692 return connector_status_unknown;
1693
1694 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1695 response & 0xff, response >> 8,
1696 intel_sdvo_connector->output_flag);
1697
1698 if (response == 0)
1699 return connector_status_disconnected;
1700
1701 intel_sdvo->attached_output = response;
1702
1703 intel_sdvo->has_hdmi_monitor = false;
1704 intel_sdvo->has_hdmi_audio = false;
1705 intel_sdvo->rgb_quant_range_selectable = false;
1706
1707 if ((intel_sdvo_connector->output_flag & response) == 0)
1708 ret = connector_status_disconnected;
1709 else if (IS_TMDS(intel_sdvo_connector))
1710 ret = intel_sdvo_tmds_sink_detect(connector);
1711 else {
1712 struct edid *edid;
1713
1714 /* if we have an edid check it matches the connection */
1715 edid = intel_sdvo_get_edid(connector);
1716 if (edid == NULL)
1717 edid = intel_sdvo_get_analog_edid(connector);
1718 if (edid != NULL) {
1719 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1720 edid))
1721 ret = connector_status_connected;
1722 else
1723 ret = connector_status_disconnected;
1724
1725 kfree(edid);
1726 } else
1727 ret = connector_status_connected;
1728 }
1729
1730 /* May update encoder flag for like clock for SDVO TV, etc.*/
1731 if (ret == connector_status_connected) {
1732 intel_sdvo->is_tv = false;
1733 intel_sdvo->is_lvds = false;
1734
1735 if (response & SDVO_TV_MASK)
1736 intel_sdvo->is_tv = true;
1737 if (response & SDVO_LVDS_MASK)
1738 intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1739 }
1740
1741 return ret;
1742 }
1743
1744 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1745 {
1746 struct edid *edid;
1747
1748 /* set the bus switch and get the modes */
1749 edid = intel_sdvo_get_edid(connector);
1750
1751 /*
1752 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1753 * link between analog and digital outputs. So, if the regular SDVO
1754 * DDC fails, check to see if the analog output is disconnected, in
1755 * which case we'll look there for the digital DDC data.
1756 */
1757 if (edid == NULL)
1758 edid = intel_sdvo_get_analog_edid(connector);
1759
1760 if (edid != NULL) {
1761 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1762 edid)) {
1763 drm_mode_connector_update_edid_property(connector, edid);
1764 drm_add_edid_modes(connector, edid);
1765 }
1766
1767 kfree(edid);
1768 }
1769 }
1770
1771 /*
1772 * Set of SDVO TV modes.
1773 * Note! This is in reply order (see loop in get_tv_modes).
1774 * XXX: all 60Hz refresh?
1775 */
1776 static const struct drm_display_mode sdvo_tv_modes[] = {
1777 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1778 416, 0, 200, 201, 232, 233, 0,
1779 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1780 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1781 416, 0, 240, 241, 272, 273, 0,
1782 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1783 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1784 496, 0, 300, 301, 332, 333, 0,
1785 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1786 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1787 736, 0, 350, 351, 382, 383, 0,
1788 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1789 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1790 736, 0, 400, 401, 432, 433, 0,
1791 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1792 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1793 736, 0, 480, 481, 512, 513, 0,
1794 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1795 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1796 800, 0, 480, 481, 512, 513, 0,
1797 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1798 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1799 800, 0, 576, 577, 608, 609, 0,
1800 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1801 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1802 816, 0, 350, 351, 382, 383, 0,
1803 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1804 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1805 816, 0, 400, 401, 432, 433, 0,
1806 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1807 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1808 816, 0, 480, 481, 512, 513, 0,
1809 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1810 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1811 816, 0, 540, 541, 572, 573, 0,
1812 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1813 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1814 816, 0, 576, 577, 608, 609, 0,
1815 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1816 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1817 864, 0, 576, 577, 608, 609, 0,
1818 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1819 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1820 896, 0, 600, 601, 632, 633, 0,
1821 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1822 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1823 928, 0, 624, 625, 656, 657, 0,
1824 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1825 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1826 1016, 0, 766, 767, 798, 799, 0,
1827 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1828 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1829 1120, 0, 768, 769, 800, 801, 0,
1830 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1831 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1832 1376, 0, 1024, 1025, 1056, 1057, 0,
1833 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1834 };
1835
1836 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1837 {
1838 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1839 struct intel_sdvo_sdtv_resolution_request tv_res;
1840 uint32_t reply = 0, format_map = 0;
1841 int i;
1842
1843 /* Read the list of supported input resolutions for the selected TV
1844 * format.
1845 */
1846 format_map = 1 << intel_sdvo->tv_format_index;
1847 memcpy(&tv_res, &format_map,
1848 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1849
1850 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1851 return;
1852
1853 BUILD_BUG_ON(sizeof(tv_res) != 3);
1854 if (!intel_sdvo_write_cmd(intel_sdvo,
1855 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1856 &tv_res, sizeof(tv_res)))
1857 return;
1858 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1859 return;
1860
1861 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1862 if (reply & (1 << i)) {
1863 struct drm_display_mode *nmode;
1864 nmode = drm_mode_duplicate(connector->dev,
1865 &sdvo_tv_modes[i]);
1866 if (nmode)
1867 drm_mode_probed_add(connector, nmode);
1868 }
1869 }
1870
1871 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1872 {
1873 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1874 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1875 struct drm_display_mode *newmode;
1876
1877 /*
1878 * Attempt to get the mode list from DDC.
1879 * Assume that the preferred modes are
1880 * arranged in priority order.
1881 */
1882 intel_ddc_get_modes(connector, intel_sdvo->i2c);
1883 if (list_empty(&connector->probed_modes) == false)
1884 goto end;
1885
1886 /* Fetch modes from VBT */
1887 if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
1888 newmode = drm_mode_duplicate(connector->dev,
1889 dev_priv->vbt.sdvo_lvds_vbt_mode);
1890 if (newmode != NULL) {
1891 /* Guarantee the mode is preferred */
1892 newmode->type = (DRM_MODE_TYPE_PREFERRED |
1893 DRM_MODE_TYPE_DRIVER);
1894 drm_mode_probed_add(connector, newmode);
1895 }
1896 }
1897
1898 end:
1899 list_for_each_entry(newmode, &connector->probed_modes, head) {
1900 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1901 intel_sdvo->sdvo_lvds_fixed_mode =
1902 drm_mode_duplicate(connector->dev, newmode);
1903
1904 intel_sdvo->is_lvds = true;
1905 break;
1906 }
1907 }
1908
1909 }
1910
1911 static int intel_sdvo_get_modes(struct drm_connector *connector)
1912 {
1913 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1914
1915 if (IS_TV(intel_sdvo_connector))
1916 intel_sdvo_get_tv_modes(connector);
1917 else if (IS_LVDS(intel_sdvo_connector))
1918 intel_sdvo_get_lvds_modes(connector);
1919 else
1920 intel_sdvo_get_ddc_modes(connector);
1921
1922 return !list_empty(&connector->probed_modes);
1923 }
1924
1925 static void
1926 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1927 {
1928 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1929 struct drm_device *dev = connector->dev;
1930
1931 if (intel_sdvo_connector->left)
1932 drm_property_destroy(dev, intel_sdvo_connector->left);
1933 if (intel_sdvo_connector->right)
1934 drm_property_destroy(dev, intel_sdvo_connector->right);
1935 if (intel_sdvo_connector->top)
1936 drm_property_destroy(dev, intel_sdvo_connector->top);
1937 if (intel_sdvo_connector->bottom)
1938 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1939 if (intel_sdvo_connector->hpos)
1940 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1941 if (intel_sdvo_connector->vpos)
1942 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1943 if (intel_sdvo_connector->saturation)
1944 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1945 if (intel_sdvo_connector->contrast)
1946 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1947 if (intel_sdvo_connector->hue)
1948 drm_property_destroy(dev, intel_sdvo_connector->hue);
1949 if (intel_sdvo_connector->sharpness)
1950 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1951 if (intel_sdvo_connector->flicker_filter)
1952 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1953 if (intel_sdvo_connector->flicker_filter_2d)
1954 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1955 if (intel_sdvo_connector->flicker_filter_adaptive)
1956 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1957 if (intel_sdvo_connector->tv_luma_filter)
1958 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1959 if (intel_sdvo_connector->tv_chroma_filter)
1960 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1961 if (intel_sdvo_connector->dot_crawl)
1962 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1963 if (intel_sdvo_connector->brightness)
1964 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1965 }
1966
1967 static void intel_sdvo_destroy(struct drm_connector *connector)
1968 {
1969 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1970
1971 if (intel_sdvo_connector->tv_format)
1972 drm_property_destroy(connector->dev,
1973 intel_sdvo_connector->tv_format);
1974
1975 intel_sdvo_destroy_enhance_property(connector);
1976 drm_sysfs_connector_remove(connector);
1977 drm_connector_cleanup(connector);
1978 kfree(intel_sdvo_connector);
1979 }
1980
1981 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1982 {
1983 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1984 struct edid *edid;
1985 bool has_audio = false;
1986
1987 if (!intel_sdvo->is_hdmi)
1988 return false;
1989
1990 edid = intel_sdvo_get_edid(connector);
1991 if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1992 has_audio = drm_detect_monitor_audio(edid);
1993 kfree(edid);
1994
1995 return has_audio;
1996 }
1997
1998 static int
1999 intel_sdvo_set_property(struct drm_connector *connector,
2000 struct drm_property *property,
2001 uint64_t val)
2002 {
2003 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
2004 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2005 struct drm_i915_private *dev_priv = connector->dev->dev_private;
2006 uint16_t temp_value;
2007 uint8_t cmd;
2008 int ret;
2009
2010 ret = drm_object_property_set_value(&connector->base, property, val);
2011 if (ret)
2012 return ret;
2013
2014 if (property == dev_priv->force_audio_property) {
2015 int i = val;
2016 bool has_audio;
2017
2018 if (i == intel_sdvo_connector->force_audio)
2019 return 0;
2020
2021 intel_sdvo_connector->force_audio = i;
2022
2023 if (i == HDMI_AUDIO_AUTO)
2024 has_audio = intel_sdvo_detect_hdmi_audio(connector);
2025 else
2026 has_audio = (i == HDMI_AUDIO_ON);
2027
2028 if (has_audio == intel_sdvo->has_hdmi_audio)
2029 return 0;
2030
2031 intel_sdvo->has_hdmi_audio = has_audio;
2032 goto done;
2033 }
2034
2035 if (property == dev_priv->broadcast_rgb_property) {
2036 bool old_auto = intel_sdvo->color_range_auto;
2037 uint32_t old_range = intel_sdvo->color_range;
2038
2039 switch (val) {
2040 case INTEL_BROADCAST_RGB_AUTO:
2041 intel_sdvo->color_range_auto = true;
2042 break;
2043 case INTEL_BROADCAST_RGB_FULL:
2044 intel_sdvo->color_range_auto = false;
2045 intel_sdvo->color_range = 0;
2046 break;
2047 case INTEL_BROADCAST_RGB_LIMITED:
2048 intel_sdvo->color_range_auto = false;
2049 /* FIXME: this bit is only valid when using TMDS
2050 * encoding and 8 bit per color mode. */
2051 intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235;
2052 break;
2053 default:
2054 return -EINVAL;
2055 }
2056
2057 if (old_auto == intel_sdvo->color_range_auto &&
2058 old_range == intel_sdvo->color_range)
2059 return 0;
2060
2061 goto done;
2062 }
2063
2064 #define CHECK_PROPERTY(name, NAME) \
2065 if (intel_sdvo_connector->name == property) { \
2066 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
2067 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
2068 cmd = SDVO_CMD_SET_##NAME; \
2069 intel_sdvo_connector->cur_##name = temp_value; \
2070 goto set_value; \
2071 }
2072
2073 if (property == intel_sdvo_connector->tv_format) {
2074 if (val >= TV_FORMAT_NUM)
2075 return -EINVAL;
2076
2077 if (intel_sdvo->tv_format_index ==
2078 intel_sdvo_connector->tv_format_supported[val])
2079 return 0;
2080
2081 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
2082 goto done;
2083 } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
2084 temp_value = val;
2085 if (intel_sdvo_connector->left == property) {
2086 drm_object_property_set_value(&connector->base,
2087 intel_sdvo_connector->right, val);
2088 if (intel_sdvo_connector->left_margin == temp_value)
2089 return 0;
2090
2091 intel_sdvo_connector->left_margin = temp_value;
2092 intel_sdvo_connector->right_margin = temp_value;
2093 temp_value = intel_sdvo_connector->max_hscan -
2094 intel_sdvo_connector->left_margin;
2095 cmd = SDVO_CMD_SET_OVERSCAN_H;
2096 goto set_value;
2097 } else if (intel_sdvo_connector->right == property) {
2098 drm_object_property_set_value(&connector->base,
2099 intel_sdvo_connector->left, val);
2100 if (intel_sdvo_connector->right_margin == temp_value)
2101 return 0;
2102
2103 intel_sdvo_connector->left_margin = temp_value;
2104 intel_sdvo_connector->right_margin = temp_value;
2105 temp_value = intel_sdvo_connector->max_hscan -
2106 intel_sdvo_connector->left_margin;
2107 cmd = SDVO_CMD_SET_OVERSCAN_H;
2108 goto set_value;
2109 } else if (intel_sdvo_connector->top == property) {
2110 drm_object_property_set_value(&connector->base,
2111 intel_sdvo_connector->bottom, val);
2112 if (intel_sdvo_connector->top_margin == temp_value)
2113 return 0;
2114
2115 intel_sdvo_connector->top_margin = temp_value;
2116 intel_sdvo_connector->bottom_margin = temp_value;
2117 temp_value = intel_sdvo_connector->max_vscan -
2118 intel_sdvo_connector->top_margin;
2119 cmd = SDVO_CMD_SET_OVERSCAN_V;
2120 goto set_value;
2121 } else if (intel_sdvo_connector->bottom == property) {
2122 drm_object_property_set_value(&connector->base,
2123 intel_sdvo_connector->top, val);
2124 if (intel_sdvo_connector->bottom_margin == temp_value)
2125 return 0;
2126
2127 intel_sdvo_connector->top_margin = temp_value;
2128 intel_sdvo_connector->bottom_margin = temp_value;
2129 temp_value = intel_sdvo_connector->max_vscan -
2130 intel_sdvo_connector->top_margin;
2131 cmd = SDVO_CMD_SET_OVERSCAN_V;
2132 goto set_value;
2133 }
2134 CHECK_PROPERTY(hpos, HPOS)
2135 CHECK_PROPERTY(vpos, VPOS)
2136 CHECK_PROPERTY(saturation, SATURATION)
2137 CHECK_PROPERTY(contrast, CONTRAST)
2138 CHECK_PROPERTY(hue, HUE)
2139 CHECK_PROPERTY(brightness, BRIGHTNESS)
2140 CHECK_PROPERTY(sharpness, SHARPNESS)
2141 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
2142 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
2143 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
2144 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
2145 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
2146 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
2147 }
2148
2149 return -EINVAL; /* unknown property */
2150
2151 set_value:
2152 if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
2153 return -EIO;
2154
2155
2156 done:
2157 if (intel_sdvo->base.base.crtc)
2158 intel_crtc_restore_mode(intel_sdvo->base.base.crtc);
2159
2160 return 0;
2161 #undef CHECK_PROPERTY
2162 }
2163
2164 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2165 .dpms = intel_sdvo_dpms,
2166 .detect = intel_sdvo_detect,
2167 .fill_modes = drm_helper_probe_single_connector_modes,
2168 .set_property = intel_sdvo_set_property,
2169 .destroy = intel_sdvo_destroy,
2170 };
2171
2172 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2173 .get_modes = intel_sdvo_get_modes,
2174 .mode_valid = intel_sdvo_mode_valid,
2175 .best_encoder = intel_best_encoder,
2176 };
2177
2178 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2179 {
2180 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
2181
2182 if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
2183 drm_mode_destroy(encoder->dev,
2184 intel_sdvo->sdvo_lvds_fixed_mode);
2185
2186 i2c_del_adapter(&intel_sdvo->ddc);
2187 intel_encoder_destroy(encoder);
2188 }
2189
2190 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2191 .destroy = intel_sdvo_enc_destroy,
2192 };
2193
2194 static void
2195 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
2196 {
2197 uint16_t mask = 0;
2198 unsigned int num_bits;
2199
2200 /* Make a mask of outputs less than or equal to our own priority in the
2201 * list.
2202 */
2203 switch (sdvo->controlled_output) {
2204 case SDVO_OUTPUT_LVDS1:
2205 mask |= SDVO_OUTPUT_LVDS1;
2206 case SDVO_OUTPUT_LVDS0:
2207 mask |= SDVO_OUTPUT_LVDS0;
2208 case SDVO_OUTPUT_TMDS1:
2209 mask |= SDVO_OUTPUT_TMDS1;
2210 case SDVO_OUTPUT_TMDS0:
2211 mask |= SDVO_OUTPUT_TMDS0;
2212 case SDVO_OUTPUT_RGB1:
2213 mask |= SDVO_OUTPUT_RGB1;
2214 case SDVO_OUTPUT_RGB0:
2215 mask |= SDVO_OUTPUT_RGB0;
2216 break;
2217 }
2218
2219 /* Count bits to find what number we are in the priority list. */
2220 mask &= sdvo->caps.output_flags;
2221 num_bits = hweight16(mask);
2222 /* If more than 3 outputs, default to DDC bus 3 for now. */
2223 if (num_bits > 3)
2224 num_bits = 3;
2225
2226 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2227 sdvo->ddc_bus = 1 << num_bits;
2228 }
2229
2230 /**
2231 * Choose the appropriate DDC bus for control bus switch command for this
2232 * SDVO output based on the controlled output.
2233 *
2234 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2235 * outputs, then LVDS outputs.
2236 */
2237 static void
2238 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2239 struct intel_sdvo *sdvo, u32 reg)
2240 {
2241 struct sdvo_device_mapping *mapping;
2242
2243 if (sdvo->is_sdvob)
2244 mapping = &(dev_priv->sdvo_mappings[0]);
2245 else
2246 mapping = &(dev_priv->sdvo_mappings[1]);
2247
2248 if (mapping->initialized)
2249 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2250 else
2251 intel_sdvo_guess_ddc_bus(sdvo);
2252 }
2253
2254 static void
2255 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2256 struct intel_sdvo *sdvo, u32 reg)
2257 {
2258 struct sdvo_device_mapping *mapping;
2259 u8 pin;
2260
2261 if (sdvo->is_sdvob)
2262 mapping = &dev_priv->sdvo_mappings[0];
2263 else
2264 mapping = &dev_priv->sdvo_mappings[1];
2265
2266 if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
2267 pin = mapping->i2c_pin;
2268 else
2269 pin = GMBUS_PORT_DPB;
2270
2271 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2272
2273 /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2274 * our code totally fails once we start using gmbus. Hence fall back to
2275 * bit banging for now. */
2276 intel_gmbus_force_bit(sdvo->i2c, true);
2277 }
2278
2279 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2280 static void
2281 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2282 {
2283 intel_gmbus_force_bit(sdvo->i2c, false);
2284 }
2285
2286 static bool
2287 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2288 {
2289 return intel_sdvo_check_supp_encode(intel_sdvo);
2290 }
2291
2292 static u8
2293 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
2294 {
2295 struct drm_i915_private *dev_priv = dev->dev_private;
2296 struct sdvo_device_mapping *my_mapping, *other_mapping;
2297
2298 if (sdvo->is_sdvob) {
2299 my_mapping = &dev_priv->sdvo_mappings[0];
2300 other_mapping = &dev_priv->sdvo_mappings[1];
2301 } else {
2302 my_mapping = &dev_priv->sdvo_mappings[1];
2303 other_mapping = &dev_priv->sdvo_mappings[0];
2304 }
2305
2306 /* If the BIOS described our SDVO device, take advantage of it. */
2307 if (my_mapping->slave_addr)
2308 return my_mapping->slave_addr;
2309
2310 /* If the BIOS only described a different SDVO device, use the
2311 * address that it isn't using.
2312 */
2313 if (other_mapping->slave_addr) {
2314 if (other_mapping->slave_addr == 0x70)
2315 return 0x72;
2316 else
2317 return 0x70;
2318 }
2319
2320 /* No SDVO device info is found for another DVO port,
2321 * so use mapping assumption we had before BIOS parsing.
2322 */
2323 if (sdvo->is_sdvob)
2324 return 0x70;
2325 else
2326 return 0x72;
2327 }
2328
2329 static void
2330 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2331 struct intel_sdvo *encoder)
2332 {
2333 drm_connector_init(encoder->base.base.dev,
2334 &connector->base.base,
2335 &intel_sdvo_connector_funcs,
2336 connector->base.base.connector_type);
2337
2338 drm_connector_helper_add(&connector->base.base,
2339 &intel_sdvo_connector_helper_funcs);
2340
2341 connector->base.base.interlace_allowed = 1;
2342 connector->base.base.doublescan_allowed = 0;
2343 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2344 connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2345
2346 intel_connector_attach_encoder(&connector->base, &encoder->base);
2347 drm_sysfs_connector_add(&connector->base.base);
2348 }
2349
2350 static void
2351 intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
2352 struct intel_sdvo_connector *connector)
2353 {
2354 struct drm_device *dev = connector->base.base.dev;
2355
2356 intel_attach_force_audio_property(&connector->base.base);
2357 if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev)) {
2358 intel_attach_broadcast_rgb_property(&connector->base.base);
2359 intel_sdvo->color_range_auto = true;
2360 }
2361 }
2362
2363 static bool
2364 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2365 {
2366 struct drm_encoder *encoder = &intel_sdvo->base.base;
2367 struct drm_connector *connector;
2368 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2369 struct intel_connector *intel_connector;
2370 struct intel_sdvo_connector *intel_sdvo_connector;
2371
2372 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2373 if (!intel_sdvo_connector)
2374 return false;
2375
2376 if (device == 0) {
2377 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2378 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2379 } else if (device == 1) {
2380 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2381 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2382 }
2383
2384 intel_connector = &intel_sdvo_connector->base;
2385 connector = &intel_connector->base;
2386 if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2387 intel_sdvo_connector->output_flag) {
2388 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2389 /* Some SDVO devices have one-shot hotplug interrupts.
2390 * Ensure that they get re-enabled when an interrupt happens.
2391 */
2392 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2393 intel_sdvo_enable_hotplug(intel_encoder);
2394 } else {
2395 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2396 }
2397 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2398 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2399
2400 if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2401 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2402 intel_sdvo->is_hdmi = true;
2403 }
2404
2405 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2406 if (intel_sdvo->is_hdmi)
2407 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2408
2409 return true;
2410 }
2411
2412 static bool
2413 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2414 {
2415 struct drm_encoder *encoder = &intel_sdvo->base.base;
2416 struct drm_connector *connector;
2417 struct intel_connector *intel_connector;
2418 struct intel_sdvo_connector *intel_sdvo_connector;
2419
2420 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2421 if (!intel_sdvo_connector)
2422 return false;
2423
2424 intel_connector = &intel_sdvo_connector->base;
2425 connector = &intel_connector->base;
2426 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2427 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2428
2429 intel_sdvo->controlled_output |= type;
2430 intel_sdvo_connector->output_flag = type;
2431
2432 intel_sdvo->is_tv = true;
2433
2434 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2435
2436 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2437 goto err;
2438
2439 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2440 goto err;
2441
2442 return true;
2443
2444 err:
2445 intel_sdvo_destroy(connector);
2446 return false;
2447 }
2448
2449 static bool
2450 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2451 {
2452 struct drm_encoder *encoder = &intel_sdvo->base.base;
2453 struct drm_connector *connector;
2454 struct intel_connector *intel_connector;
2455 struct intel_sdvo_connector *intel_sdvo_connector;
2456
2457 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2458 if (!intel_sdvo_connector)
2459 return false;
2460
2461 intel_connector = &intel_sdvo_connector->base;
2462 connector = &intel_connector->base;
2463 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2464 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2465 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2466
2467 if (device == 0) {
2468 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2469 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2470 } else if (device == 1) {
2471 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2472 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2473 }
2474
2475 intel_sdvo_connector_init(intel_sdvo_connector,
2476 intel_sdvo);
2477 return true;
2478 }
2479
2480 static bool
2481 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2482 {
2483 struct drm_encoder *encoder = &intel_sdvo->base.base;
2484 struct drm_connector *connector;
2485 struct intel_connector *intel_connector;
2486 struct intel_sdvo_connector *intel_sdvo_connector;
2487
2488 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2489 if (!intel_sdvo_connector)
2490 return false;
2491
2492 intel_connector = &intel_sdvo_connector->base;
2493 connector = &intel_connector->base;
2494 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2495 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2496
2497 if (device == 0) {
2498 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2499 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2500 } else if (device == 1) {
2501 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2502 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2503 }
2504
2505 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2506 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2507 goto err;
2508
2509 return true;
2510
2511 err:
2512 intel_sdvo_destroy(connector);
2513 return false;
2514 }
2515
2516 static bool
2517 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2518 {
2519 intel_sdvo->is_tv = false;
2520 intel_sdvo->is_lvds = false;
2521
2522 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2523
2524 if (flags & SDVO_OUTPUT_TMDS0)
2525 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2526 return false;
2527
2528 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2529 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2530 return false;
2531
2532 /* TV has no XXX1 function block */
2533 if (flags & SDVO_OUTPUT_SVID0)
2534 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2535 return false;
2536
2537 if (flags & SDVO_OUTPUT_CVBS0)
2538 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2539 return false;
2540
2541 if (flags & SDVO_OUTPUT_YPRPB0)
2542 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2543 return false;
2544
2545 if (flags & SDVO_OUTPUT_RGB0)
2546 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2547 return false;
2548
2549 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2550 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2551 return false;
2552
2553 if (flags & SDVO_OUTPUT_LVDS0)
2554 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2555 return false;
2556
2557 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2558 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2559 return false;
2560
2561 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2562 unsigned char bytes[2];
2563
2564 intel_sdvo->controlled_output = 0;
2565 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2566 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2567 SDVO_NAME(intel_sdvo),
2568 bytes[0], bytes[1]);
2569 return false;
2570 }
2571 intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2572
2573 return true;
2574 }
2575
2576 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
2577 {
2578 struct drm_device *dev = intel_sdvo->base.base.dev;
2579 struct drm_connector *connector, *tmp;
2580
2581 list_for_each_entry_safe(connector, tmp,
2582 &dev->mode_config.connector_list, head) {
2583 if (intel_attached_encoder(connector) == &intel_sdvo->base)
2584 intel_sdvo_destroy(connector);
2585 }
2586 }
2587
2588 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2589 struct intel_sdvo_connector *intel_sdvo_connector,
2590 int type)
2591 {
2592 struct drm_device *dev = intel_sdvo->base.base.dev;
2593 struct intel_sdvo_tv_format format;
2594 uint32_t format_map, i;
2595
2596 if (!intel_sdvo_set_target_output(intel_sdvo, type))
2597 return false;
2598
2599 BUILD_BUG_ON(sizeof(format) != 6);
2600 if (!intel_sdvo_get_value(intel_sdvo,
2601 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2602 &format, sizeof(format)))
2603 return false;
2604
2605 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2606
2607 if (format_map == 0)
2608 return false;
2609
2610 intel_sdvo_connector->format_supported_num = 0;
2611 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2612 if (format_map & (1 << i))
2613 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2614
2615
2616 intel_sdvo_connector->tv_format =
2617 drm_property_create(dev, DRM_MODE_PROP_ENUM,
2618 "mode", intel_sdvo_connector->format_supported_num);
2619 if (!intel_sdvo_connector->tv_format)
2620 return false;
2621
2622 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2623 drm_property_add_enum(
2624 intel_sdvo_connector->tv_format, i,
2625 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2626
2627 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2628 drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2629 intel_sdvo_connector->tv_format, 0);
2630 return true;
2631
2632 }
2633
2634 #define ENHANCEMENT(name, NAME) do { \
2635 if (enhancements.name) { \
2636 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2637 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2638 return false; \
2639 intel_sdvo_connector->max_##name = data_value[0]; \
2640 intel_sdvo_connector->cur_##name = response; \
2641 intel_sdvo_connector->name = \
2642 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2643 if (!intel_sdvo_connector->name) return false; \
2644 drm_object_attach_property(&connector->base, \
2645 intel_sdvo_connector->name, \
2646 intel_sdvo_connector->cur_##name); \
2647 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2648 data_value[0], data_value[1], response); \
2649 } \
2650 } while (0)
2651
2652 static bool
2653 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2654 struct intel_sdvo_connector *intel_sdvo_connector,
2655 struct intel_sdvo_enhancements_reply enhancements)
2656 {
2657 struct drm_device *dev = intel_sdvo->base.base.dev;
2658 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2659 uint16_t response, data_value[2];
2660
2661 /* when horizontal overscan is supported, Add the left/right property */
2662 if (enhancements.overscan_h) {
2663 if (!intel_sdvo_get_value(intel_sdvo,
2664 SDVO_CMD_GET_MAX_OVERSCAN_H,
2665 &data_value, 4))
2666 return false;
2667
2668 if (!intel_sdvo_get_value(intel_sdvo,
2669 SDVO_CMD_GET_OVERSCAN_H,
2670 &response, 2))
2671 return false;
2672
2673 intel_sdvo_connector->max_hscan = data_value[0];
2674 intel_sdvo_connector->left_margin = data_value[0] - response;
2675 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2676 intel_sdvo_connector->left =
2677 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2678 if (!intel_sdvo_connector->left)
2679 return false;
2680
2681 drm_object_attach_property(&connector->base,
2682 intel_sdvo_connector->left,
2683 intel_sdvo_connector->left_margin);
2684
2685 intel_sdvo_connector->right =
2686 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2687 if (!intel_sdvo_connector->right)
2688 return false;
2689
2690 drm_object_attach_property(&connector->base,
2691 intel_sdvo_connector->right,
2692 intel_sdvo_connector->right_margin);
2693 DRM_DEBUG_KMS("h_overscan: max %d, "
2694 "default %d, current %d\n",
2695 data_value[0], data_value[1], response);
2696 }
2697
2698 if (enhancements.overscan_v) {
2699 if (!intel_sdvo_get_value(intel_sdvo,
2700 SDVO_CMD_GET_MAX_OVERSCAN_V,
2701 &data_value, 4))
2702 return false;
2703
2704 if (!intel_sdvo_get_value(intel_sdvo,
2705 SDVO_CMD_GET_OVERSCAN_V,
2706 &response, 2))
2707 return false;
2708
2709 intel_sdvo_connector->max_vscan = data_value[0];
2710 intel_sdvo_connector->top_margin = data_value[0] - response;
2711 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2712 intel_sdvo_connector->top =
2713 drm_property_create_range(dev, 0,
2714 "top_margin", 0, data_value[0]);
2715 if (!intel_sdvo_connector->top)
2716 return false;
2717
2718 drm_object_attach_property(&connector->base,
2719 intel_sdvo_connector->top,
2720 intel_sdvo_connector->top_margin);
2721
2722 intel_sdvo_connector->bottom =
2723 drm_property_create_range(dev, 0,
2724 "bottom_margin", 0, data_value[0]);
2725 if (!intel_sdvo_connector->bottom)
2726 return false;
2727
2728 drm_object_attach_property(&connector->base,
2729 intel_sdvo_connector->bottom,
2730 intel_sdvo_connector->bottom_margin);
2731 DRM_DEBUG_KMS("v_overscan: max %d, "
2732 "default %d, current %d\n",
2733 data_value[0], data_value[1], response);
2734 }
2735
2736 ENHANCEMENT(hpos, HPOS);
2737 ENHANCEMENT(vpos, VPOS);
2738 ENHANCEMENT(saturation, SATURATION);
2739 ENHANCEMENT(contrast, CONTRAST);
2740 ENHANCEMENT(hue, HUE);
2741 ENHANCEMENT(sharpness, SHARPNESS);
2742 ENHANCEMENT(brightness, BRIGHTNESS);
2743 ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2744 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2745 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2746 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2747 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2748
2749 if (enhancements.dot_crawl) {
2750 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2751 return false;
2752
2753 intel_sdvo_connector->max_dot_crawl = 1;
2754 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2755 intel_sdvo_connector->dot_crawl =
2756 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2757 if (!intel_sdvo_connector->dot_crawl)
2758 return false;
2759
2760 drm_object_attach_property(&connector->base,
2761 intel_sdvo_connector->dot_crawl,
2762 intel_sdvo_connector->cur_dot_crawl);
2763 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2764 }
2765
2766 return true;
2767 }
2768
2769 static bool
2770 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2771 struct intel_sdvo_connector *intel_sdvo_connector,
2772 struct intel_sdvo_enhancements_reply enhancements)
2773 {
2774 struct drm_device *dev = intel_sdvo->base.base.dev;
2775 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2776 uint16_t response, data_value[2];
2777
2778 ENHANCEMENT(brightness, BRIGHTNESS);
2779
2780 return true;
2781 }
2782 #undef ENHANCEMENT
2783
2784 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2785 struct intel_sdvo_connector *intel_sdvo_connector)
2786 {
2787 union {
2788 struct intel_sdvo_enhancements_reply reply;
2789 uint16_t response;
2790 } enhancements;
2791
2792 BUILD_BUG_ON(sizeof(enhancements) != 2);
2793
2794 enhancements.response = 0;
2795 intel_sdvo_get_value(intel_sdvo,
2796 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2797 &enhancements, sizeof(enhancements));
2798 if (enhancements.response == 0) {
2799 DRM_DEBUG_KMS("No enhancement is supported\n");
2800 return true;
2801 }
2802
2803 if (IS_TV(intel_sdvo_connector))
2804 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2805 else if (IS_LVDS(intel_sdvo_connector))
2806 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2807 else
2808 return true;
2809 }
2810
2811 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2812 struct i2c_msg *msgs,
2813 int num)
2814 {
2815 struct intel_sdvo *sdvo = adapter->algo_data;
2816
2817 if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2818 return -EIO;
2819
2820 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2821 }
2822
2823 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2824 {
2825 struct intel_sdvo *sdvo = adapter->algo_data;
2826 return sdvo->i2c->algo->functionality(sdvo->i2c);
2827 }
2828
2829 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2830 .master_xfer = intel_sdvo_ddc_proxy_xfer,
2831 .functionality = intel_sdvo_ddc_proxy_func
2832 };
2833
2834 static bool
2835 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2836 struct drm_device *dev)
2837 {
2838 sdvo->ddc.owner = THIS_MODULE;
2839 sdvo->ddc.class = I2C_CLASS_DDC;
2840 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2841 sdvo->ddc.dev.parent = &dev->pdev->dev;
2842 sdvo->ddc.algo_data = sdvo;
2843 sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2844
2845 return i2c_add_adapter(&sdvo->ddc) == 0;
2846 }
2847
2848 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2849 {
2850 struct drm_i915_private *dev_priv = dev->dev_private;
2851 struct intel_encoder *intel_encoder;
2852 struct intel_sdvo *intel_sdvo;
2853 int i;
2854 intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2855 if (!intel_sdvo)
2856 return false;
2857
2858 intel_sdvo->sdvo_reg = sdvo_reg;
2859 intel_sdvo->is_sdvob = is_sdvob;
2860 intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2861 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2862 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
2863 goto err_i2c_bus;
2864
2865 /* encoder type will be decided later */
2866 intel_encoder = &intel_sdvo->base;
2867 intel_encoder->type = INTEL_OUTPUT_SDVO;
2868 drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2869
2870 /* Read the regs to test if we can talk to the device */
2871 for (i = 0; i < 0x40; i++) {
2872 u8 byte;
2873
2874 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2875 DRM_DEBUG_KMS("No SDVO device found on %s\n",
2876 SDVO_NAME(intel_sdvo));
2877 goto err;
2878 }
2879 }
2880
2881 /* Only enable the hotplug irq if we need it, to work around noisy
2882 * hotplug lines.
2883 */
2884 if (intel_sdvo->hotplug_active)
2885 intel_encoder->hpd_pin = HPD_SDVO_B ? HPD_SDVO_B : HPD_SDVO_C;
2886
2887 intel_encoder->compute_config = intel_sdvo_compute_config;
2888 intel_encoder->disable = intel_disable_sdvo;
2889 intel_encoder->mode_set = intel_sdvo_mode_set;
2890 intel_encoder->enable = intel_enable_sdvo;
2891 intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
2892 intel_encoder->get_config = intel_sdvo_get_config;
2893
2894 /* In default case sdvo lvds is false */
2895 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2896 goto err;
2897
2898 if (intel_sdvo_output_setup(intel_sdvo,
2899 intel_sdvo->caps.output_flags) != true) {
2900 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2901 SDVO_NAME(intel_sdvo));
2902 /* Output_setup can leave behind connectors! */
2903 goto err_output;
2904 }
2905
2906 /*
2907 * Cloning SDVO with anything is often impossible, since the SDVO
2908 * encoder can request a special input timing mode. And even if that's
2909 * not the case we have evidence that cloning a plain unscaled mode with
2910 * VGA doesn't really work. Furthermore the cloning flags are way too
2911 * simplistic anyway to express such constraints, so just give up on
2912 * cloning for SDVO encoders.
2913 */
2914 intel_sdvo->base.cloneable = false;
2915
2916 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2917
2918 /* Set the input timing to the screen. Assume always input 0. */
2919 if (!intel_sdvo_set_target_input(intel_sdvo))
2920 goto err_output;
2921
2922 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2923 &intel_sdvo->pixel_clock_min,
2924 &intel_sdvo->pixel_clock_max))
2925 goto err_output;
2926
2927 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2928 "clock range %dMHz - %dMHz, "
2929 "input 1: %c, input 2: %c, "
2930 "output 1: %c, output 2: %c\n",
2931 SDVO_NAME(intel_sdvo),
2932 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2933 intel_sdvo->caps.device_rev_id,
2934 intel_sdvo->pixel_clock_min / 1000,
2935 intel_sdvo->pixel_clock_max / 1000,
2936 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2937 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2938 /* check currently supported outputs */
2939 intel_sdvo->caps.output_flags &
2940 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2941 intel_sdvo->caps.output_flags &
2942 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2943 return true;
2944
2945 err_output:
2946 intel_sdvo_output_cleanup(intel_sdvo);
2947
2948 err:
2949 drm_encoder_cleanup(&intel_encoder->base);
2950 i2c_del_adapter(&intel_sdvo->ddc);
2951 err_i2c_bus:
2952 intel_sdvo_unselect_i2c_bus(intel_sdvo);
2953 kfree(intel_sdvo);
2954
2955 return false;
2956 }
Linux kernel - Deliverables
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