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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck...
[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_sdvo(struct intel_encoder *encoder)
206 {
207 return container_of(encoder, struct intel_sdvo, base);
208 }
209
210 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
211 {
212 return to_sdvo(intel_attached_encoder(connector));
213 }
214
215 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
216 {
217 return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
218 }
219
220 static bool
221 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
222 static bool
223 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
224 struct intel_sdvo_connector *intel_sdvo_connector,
225 int type);
226 static bool
227 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
228 struct intel_sdvo_connector *intel_sdvo_connector);
229
230 /**
231 * Writes the SDVOB or SDVOC with the given value, but always writes both
232 * SDVOB and SDVOC to work around apparent hardware issues (according to
233 * comments in the BIOS).
234 */
235 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
236 {
237 struct drm_device *dev = intel_sdvo->base.base.dev;
238 struct drm_i915_private *dev_priv = dev->dev_private;
239 u32 bval = val, cval = val;
240 int i;
241
242 if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
243 I915_WRITE(intel_sdvo->sdvo_reg, val);
244 I915_READ(intel_sdvo->sdvo_reg);
245 return;
246 }
247
248 if (intel_sdvo->sdvo_reg == GEN3_SDVOB)
249 cval = I915_READ(GEN3_SDVOC);
250 else
251 bval = I915_READ(GEN3_SDVOB);
252
253 /*
254 * Write the registers twice for luck. Sometimes,
255 * writing them only once doesn't appear to 'stick'.
256 * The BIOS does this too. Yay, magic
257 */
258 for (i = 0; i < 2; i++)
259 {
260 I915_WRITE(GEN3_SDVOB, bval);
261 I915_READ(GEN3_SDVOB);
262 I915_WRITE(GEN3_SDVOC, cval);
263 I915_READ(GEN3_SDVOC);
264 }
265 }
266
267 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
268 {
269 struct i2c_msg msgs[] = {
270 {
271 .addr = intel_sdvo->slave_addr,
272 .flags = 0,
273 .len = 1,
274 .buf = &addr,
275 },
276 {
277 .addr = intel_sdvo->slave_addr,
278 .flags = I2C_M_RD,
279 .len = 1,
280 .buf = ch,
281 }
282 };
283 int ret;
284
285 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
286 return true;
287
288 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
289 return false;
290 }
291
292 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
293 /** Mapping of command numbers to names, for debug output */
294 static const struct _sdvo_cmd_name {
295 u8 cmd;
296 const char *name;
297 } sdvo_cmd_names[] = {
298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
341
342 /* Add the op code for SDVO enhancements */
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
387
388 /* HDMI op code */
389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
398 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
399 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
400 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
401 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
402 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
403 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
404 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
405 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
406 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
407 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
408 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
409 };
410
411 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
412
413 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
414 const void *args, int args_len)
415 {
416 int i, pos = 0;
417 #define BUF_LEN 256
418 char buffer[BUF_LEN];
419
420 #define BUF_PRINT(args...) \
421 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
422
423
424 for (i = 0; i < args_len; i++) {
425 BUF_PRINT("%02X ", ((u8 *)args)[i]);
426 }
427 for (; i < 8; i++) {
428 BUF_PRINT(" ");
429 }
430 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
431 if (cmd == sdvo_cmd_names[i].cmd) {
432 BUF_PRINT("(%s)", sdvo_cmd_names[i].name);
433 break;
434 }
435 }
436 if (i == ARRAY_SIZE(sdvo_cmd_names)) {
437 BUF_PRINT("(%02X)", cmd);
438 }
439 BUG_ON(pos >= BUF_LEN - 1);
440 #undef BUF_PRINT
441 #undef BUF_LEN
442
443 DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer);
444 }
445
446 static const char *cmd_status_names[] = {
447 "Power on",
448 "Success",
449 "Not supported",
450 "Invalid arg",
451 "Pending",
452 "Target not specified",
453 "Scaling not supported"
454 };
455
456 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
457 const void *args, int args_len)
458 {
459 u8 *buf, status;
460 struct i2c_msg *msgs;
461 int i, ret = true;
462
463 /* Would be simpler to allocate both in one go ? */
464 buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
465 if (!buf)
466 return false;
467
468 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
469 if (!msgs) {
470 kfree(buf);
471 return false;
472 }
473
474 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
475
476 for (i = 0; i < args_len; i++) {
477 msgs[i].addr = intel_sdvo->slave_addr;
478 msgs[i].flags = 0;
479 msgs[i].len = 2;
480 msgs[i].buf = buf + 2 *i;
481 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
482 buf[2*i + 1] = ((u8*)args)[i];
483 }
484 msgs[i].addr = intel_sdvo->slave_addr;
485 msgs[i].flags = 0;
486 msgs[i].len = 2;
487 msgs[i].buf = buf + 2*i;
488 buf[2*i + 0] = SDVO_I2C_OPCODE;
489 buf[2*i + 1] = cmd;
490
491 /* the following two are to read the response */
492 status = SDVO_I2C_CMD_STATUS;
493 msgs[i+1].addr = intel_sdvo->slave_addr;
494 msgs[i+1].flags = 0;
495 msgs[i+1].len = 1;
496 msgs[i+1].buf = &status;
497
498 msgs[i+2].addr = intel_sdvo->slave_addr;
499 msgs[i+2].flags = I2C_M_RD;
500 msgs[i+2].len = 1;
501 msgs[i+2].buf = &status;
502
503 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
504 if (ret < 0) {
505 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
506 ret = false;
507 goto out;
508 }
509 if (ret != i+3) {
510 /* failure in I2C transfer */
511 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
512 ret = false;
513 }
514
515 out:
516 kfree(msgs);
517 kfree(buf);
518 return ret;
519 }
520
521 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
522 void *response, int response_len)
523 {
524 u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
525 u8 status;
526 int i, pos = 0;
527 #define BUF_LEN 256
528 char buffer[BUF_LEN];
529
530
531 /*
532 * The documentation states that all commands will be
533 * processed within 15µs, and that we need only poll
534 * the status byte a maximum of 3 times in order for the
535 * command to be complete.
536 *
537 * Check 5 times in case the hardware failed to read the docs.
538 *
539 * Also beware that the first response by many devices is to
540 * reply PENDING and stall for time. TVs are notorious for
541 * requiring longer than specified to complete their replies.
542 * Originally (in the DDX long ago), the delay was only ever 15ms
543 * with an additional delay of 30ms applied for TVs added later after
544 * many experiments. To accommodate both sets of delays, we do a
545 * sequence of slow checks if the device is falling behind and fails
546 * to reply within 5*15µs.
547 */
548 if (!intel_sdvo_read_byte(intel_sdvo,
549 SDVO_I2C_CMD_STATUS,
550 &status))
551 goto log_fail;
552
553 while ((status == SDVO_CMD_STATUS_PENDING ||
554 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) {
555 if (retry < 10)
556 msleep(15);
557 else
558 udelay(15);
559
560 if (!intel_sdvo_read_byte(intel_sdvo,
561 SDVO_I2C_CMD_STATUS,
562 &status))
563 goto log_fail;
564 }
565
566 #define BUF_PRINT(args...) \
567 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
568
569 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
570 BUF_PRINT("(%s)", cmd_status_names[status]);
571 else
572 BUF_PRINT("(??? %d)", status);
573
574 if (status != SDVO_CMD_STATUS_SUCCESS)
575 goto log_fail;
576
577 /* Read the command response */
578 for (i = 0; i < response_len; i++) {
579 if (!intel_sdvo_read_byte(intel_sdvo,
580 SDVO_I2C_RETURN_0 + i,
581 &((u8 *)response)[i]))
582 goto log_fail;
583 BUF_PRINT(" %02X", ((u8 *)response)[i]);
584 }
585 BUG_ON(pos >= BUF_LEN - 1);
586 #undef BUF_PRINT
587 #undef BUF_LEN
588
589 DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer);
590 return true;
591
592 log_fail:
593 DRM_DEBUG_KMS("%s: R: ... failed\n", SDVO_NAME(intel_sdvo));
594 return false;
595 }
596
597 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
598 {
599 if (mode->clock >= 100000)
600 return 1;
601 else if (mode->clock >= 50000)
602 return 2;
603 else
604 return 4;
605 }
606
607 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
608 u8 ddc_bus)
609 {
610 /* This must be the immediately preceding write before the i2c xfer */
611 return intel_sdvo_write_cmd(intel_sdvo,
612 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
613 &ddc_bus, 1);
614 }
615
616 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
617 {
618 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
619 return false;
620
621 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
622 }
623
624 static bool
625 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
626 {
627 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
628 return false;
629
630 return intel_sdvo_read_response(intel_sdvo, value, len);
631 }
632
633 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
634 {
635 struct intel_sdvo_set_target_input_args targets = {0};
636 return intel_sdvo_set_value(intel_sdvo,
637 SDVO_CMD_SET_TARGET_INPUT,
638 &targets, sizeof(targets));
639 }
640
641 /**
642 * Return whether each input is trained.
643 *
644 * This function is making an assumption about the layout of the response,
645 * which should be checked against the docs.
646 */
647 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
648 {
649 struct intel_sdvo_get_trained_inputs_response response;
650
651 BUILD_BUG_ON(sizeof(response) != 1);
652 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
653 &response, sizeof(response)))
654 return false;
655
656 *input_1 = response.input0_trained;
657 *input_2 = response.input1_trained;
658 return true;
659 }
660
661 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
662 u16 outputs)
663 {
664 return intel_sdvo_set_value(intel_sdvo,
665 SDVO_CMD_SET_ACTIVE_OUTPUTS,
666 &outputs, sizeof(outputs));
667 }
668
669 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
670 u16 *outputs)
671 {
672 return intel_sdvo_get_value(intel_sdvo,
673 SDVO_CMD_GET_ACTIVE_OUTPUTS,
674 outputs, sizeof(*outputs));
675 }
676
677 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
678 int mode)
679 {
680 u8 state = SDVO_ENCODER_STATE_ON;
681
682 switch (mode) {
683 case DRM_MODE_DPMS_ON:
684 state = SDVO_ENCODER_STATE_ON;
685 break;
686 case DRM_MODE_DPMS_STANDBY:
687 state = SDVO_ENCODER_STATE_STANDBY;
688 break;
689 case DRM_MODE_DPMS_SUSPEND:
690 state = SDVO_ENCODER_STATE_SUSPEND;
691 break;
692 case DRM_MODE_DPMS_OFF:
693 state = SDVO_ENCODER_STATE_OFF;
694 break;
695 }
696
697 return intel_sdvo_set_value(intel_sdvo,
698 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
699 }
700
701 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
702 int *clock_min,
703 int *clock_max)
704 {
705 struct intel_sdvo_pixel_clock_range clocks;
706
707 BUILD_BUG_ON(sizeof(clocks) != 4);
708 if (!intel_sdvo_get_value(intel_sdvo,
709 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
710 &clocks, sizeof(clocks)))
711 return false;
712
713 /* Convert the values from units of 10 kHz to kHz. */
714 *clock_min = clocks.min * 10;
715 *clock_max = clocks.max * 10;
716 return true;
717 }
718
719 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
720 u16 outputs)
721 {
722 return intel_sdvo_set_value(intel_sdvo,
723 SDVO_CMD_SET_TARGET_OUTPUT,
724 &outputs, sizeof(outputs));
725 }
726
727 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
728 struct intel_sdvo_dtd *dtd)
729 {
730 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
731 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
732 }
733
734 static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
735 struct intel_sdvo_dtd *dtd)
736 {
737 return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
738 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
739 }
740
741 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
742 struct intel_sdvo_dtd *dtd)
743 {
744 return intel_sdvo_set_timing(intel_sdvo,
745 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
746 }
747
748 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
749 struct intel_sdvo_dtd *dtd)
750 {
751 return intel_sdvo_set_timing(intel_sdvo,
752 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
753 }
754
755 static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
756 struct intel_sdvo_dtd *dtd)
757 {
758 return intel_sdvo_get_timing(intel_sdvo,
759 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
760 }
761
762 static bool
763 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
764 uint16_t clock,
765 uint16_t width,
766 uint16_t height)
767 {
768 struct intel_sdvo_preferred_input_timing_args args;
769
770 memset(&args, 0, sizeof(args));
771 args.clock = clock;
772 args.width = width;
773 args.height = height;
774 args.interlace = 0;
775
776 if (intel_sdvo->is_lvds &&
777 (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
778 intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
779 args.scaled = 1;
780
781 return intel_sdvo_set_value(intel_sdvo,
782 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
783 &args, sizeof(args));
784 }
785
786 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
787 struct intel_sdvo_dtd *dtd)
788 {
789 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
790 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
791 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
792 &dtd->part1, sizeof(dtd->part1)) &&
793 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
794 &dtd->part2, sizeof(dtd->part2));
795 }
796
797 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
798 {
799 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
800 }
801
802 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
803 const struct drm_display_mode *mode)
804 {
805 uint16_t width, height;
806 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
807 uint16_t h_sync_offset, v_sync_offset;
808 int mode_clock;
809
810 memset(dtd, 0, sizeof(*dtd));
811
812 width = mode->hdisplay;
813 height = mode->vdisplay;
814
815 /* do some mode translations */
816 h_blank_len = mode->htotal - mode->hdisplay;
817 h_sync_len = mode->hsync_end - mode->hsync_start;
818
819 v_blank_len = mode->vtotal - mode->vdisplay;
820 v_sync_len = mode->vsync_end - mode->vsync_start;
821
822 h_sync_offset = mode->hsync_start - mode->hdisplay;
823 v_sync_offset = mode->vsync_start - mode->vdisplay;
824
825 mode_clock = mode->clock;
826 mode_clock /= 10;
827 dtd->part1.clock = mode_clock;
828
829 dtd->part1.h_active = width & 0xff;
830 dtd->part1.h_blank = h_blank_len & 0xff;
831 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
832 ((h_blank_len >> 8) & 0xf);
833 dtd->part1.v_active = height & 0xff;
834 dtd->part1.v_blank = v_blank_len & 0xff;
835 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
836 ((v_blank_len >> 8) & 0xf);
837
838 dtd->part2.h_sync_off = h_sync_offset & 0xff;
839 dtd->part2.h_sync_width = h_sync_len & 0xff;
840 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
841 (v_sync_len & 0xf);
842 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
843 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
844 ((v_sync_len & 0x30) >> 4);
845
846 dtd->part2.dtd_flags = 0x18;
847 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
848 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
849 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
850 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
851 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
852 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
853
854 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
855 }
856
857 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode,
858 const struct intel_sdvo_dtd *dtd)
859 {
860 struct drm_display_mode mode = {};
861
862 mode.hdisplay = dtd->part1.h_active;
863 mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
864 mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off;
865 mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
866 mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width;
867 mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
868 mode.htotal = mode.hdisplay + dtd->part1.h_blank;
869 mode.htotal += (dtd->part1.h_high & 0xf) << 8;
870
871 mode.vdisplay = dtd->part1.v_active;
872 mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
873 mode.vsync_start = mode.vdisplay;
874 mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
875 mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
876 mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0;
877 mode.vsync_end = mode.vsync_start +
878 (dtd->part2.v_sync_off_width & 0xf);
879 mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
880 mode.vtotal = mode.vdisplay + dtd->part1.v_blank;
881 mode.vtotal += (dtd->part1.v_high & 0xf) << 8;
882
883 mode.clock = dtd->part1.clock * 10;
884
885 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
886 mode.flags |= DRM_MODE_FLAG_INTERLACE;
887 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
888 mode.flags |= DRM_MODE_FLAG_PHSYNC;
889 else
890 mode.flags |= DRM_MODE_FLAG_NHSYNC;
891 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
892 mode.flags |= DRM_MODE_FLAG_PVSYNC;
893 else
894 mode.flags |= DRM_MODE_FLAG_NVSYNC;
895
896 drm_mode_set_crtcinfo(&mode, 0);
897
898 drm_mode_copy(pmode, &mode);
899 }
900
901 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
902 {
903 struct intel_sdvo_encode encode;
904
905 BUILD_BUG_ON(sizeof(encode) != 2);
906 return intel_sdvo_get_value(intel_sdvo,
907 SDVO_CMD_GET_SUPP_ENCODE,
908 &encode, sizeof(encode));
909 }
910
911 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
912 uint8_t mode)
913 {
914 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
915 }
916
917 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
918 uint8_t mode)
919 {
920 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
921 }
922
923 #if 0
924 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
925 {
926 int i, j;
927 uint8_t set_buf_index[2];
928 uint8_t av_split;
929 uint8_t buf_size;
930 uint8_t buf[48];
931 uint8_t *pos;
932
933 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
934
935 for (i = 0; i <= av_split; i++) {
936 set_buf_index[0] = i; set_buf_index[1] = 0;
937 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
938 set_buf_index, 2);
939 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
940 intel_sdvo_read_response(encoder, &buf_size, 1);
941
942 pos = buf;
943 for (j = 0; j <= buf_size; j += 8) {
944 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
945 NULL, 0);
946 intel_sdvo_read_response(encoder, pos, 8);
947 pos += 8;
948 }
949 }
950 }
951 #endif
952
953 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
954 unsigned if_index, uint8_t tx_rate,
955 const uint8_t *data, unsigned length)
956 {
957 uint8_t set_buf_index[2] = { if_index, 0 };
958 uint8_t hbuf_size, tmp[8];
959 int i;
960
961 if (!intel_sdvo_set_value(intel_sdvo,
962 SDVO_CMD_SET_HBUF_INDEX,
963 set_buf_index, 2))
964 return false;
965
966 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
967 &hbuf_size, 1))
968 return false;
969
970 /* Buffer size is 0 based, hooray! */
971 hbuf_size++;
972
973 DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
974 if_index, length, hbuf_size);
975
976 for (i = 0; i < hbuf_size; i += 8) {
977 memset(tmp, 0, 8);
978 if (i < length)
979 memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
980
981 if (!intel_sdvo_set_value(intel_sdvo,
982 SDVO_CMD_SET_HBUF_DATA,
983 tmp, 8))
984 return false;
985 }
986
987 return intel_sdvo_set_value(intel_sdvo,
988 SDVO_CMD_SET_HBUF_TXRATE,
989 &tx_rate, 1);
990 }
991
992 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
993 const struct drm_display_mode *adjusted_mode)
994 {
995 uint8_t sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
996 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
997 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
998 union hdmi_infoframe frame;
999 int ret;
1000 ssize_t len;
1001
1002 ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
1003 adjusted_mode);
1004 if (ret < 0) {
1005 DRM_ERROR("couldn't fill AVI infoframe\n");
1006 return false;
1007 }
1008
1009 if (intel_sdvo->rgb_quant_range_selectable) {
1010 if (intel_crtc->config.limited_color_range)
1011 frame.avi.quantization_range =
1012 HDMI_QUANTIZATION_RANGE_LIMITED;
1013 else
1014 frame.avi.quantization_range =
1015 HDMI_QUANTIZATION_RANGE_FULL;
1016 }
1017
1018 len = hdmi_infoframe_pack(&frame, sdvo_data, sizeof(sdvo_data));
1019 if (len < 0)
1020 return false;
1021
1022 return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1023 SDVO_HBUF_TX_VSYNC,
1024 sdvo_data, sizeof(sdvo_data));
1025 }
1026
1027 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
1028 {
1029 struct intel_sdvo_tv_format format;
1030 uint32_t format_map;
1031
1032 format_map = 1 << intel_sdvo->tv_format_index;
1033 memset(&format, 0, sizeof(format));
1034 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
1035
1036 BUILD_BUG_ON(sizeof(format) != 6);
1037 return intel_sdvo_set_value(intel_sdvo,
1038 SDVO_CMD_SET_TV_FORMAT,
1039 &format, sizeof(format));
1040 }
1041
1042 static bool
1043 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
1044 const struct drm_display_mode *mode)
1045 {
1046 struct intel_sdvo_dtd output_dtd;
1047
1048 if (!intel_sdvo_set_target_output(intel_sdvo,
1049 intel_sdvo->attached_output))
1050 return false;
1051
1052 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1053 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1054 return false;
1055
1056 return true;
1057 }
1058
1059 /* Asks the sdvo controller for the preferred input mode given the output mode.
1060 * Unfortunately we have to set up the full output mode to do that. */
1061 static bool
1062 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1063 const struct drm_display_mode *mode,
1064 struct drm_display_mode *adjusted_mode)
1065 {
1066 struct intel_sdvo_dtd input_dtd;
1067
1068 /* Reset the input timing to the screen. Assume always input 0. */
1069 if (!intel_sdvo_set_target_input(intel_sdvo))
1070 return false;
1071
1072 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1073 mode->clock / 10,
1074 mode->hdisplay,
1075 mode->vdisplay))
1076 return false;
1077
1078 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1079 &input_dtd))
1080 return false;
1081
1082 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1083 intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1084
1085 return true;
1086 }
1087
1088 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_config *pipe_config)
1089 {
1090 unsigned dotclock = pipe_config->port_clock;
1091 struct dpll *clock = &pipe_config->dpll;
1092
1093 /* SDVO TV has fixed PLL values depend on its clock range,
1094 this mirrors vbios setting. */
1095 if (dotclock >= 100000 && dotclock < 140500) {
1096 clock->p1 = 2;
1097 clock->p2 = 10;
1098 clock->n = 3;
1099 clock->m1 = 16;
1100 clock->m2 = 8;
1101 } else if (dotclock >= 140500 && dotclock <= 200000) {
1102 clock->p1 = 1;
1103 clock->p2 = 10;
1104 clock->n = 6;
1105 clock->m1 = 12;
1106 clock->m2 = 8;
1107 } else {
1108 WARN(1, "SDVO TV clock out of range: %i\n", dotclock);
1109 }
1110
1111 pipe_config->clock_set = true;
1112 }
1113
1114 static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
1115 struct intel_crtc_config *pipe_config)
1116 {
1117 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1118 struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
1119 struct drm_display_mode *mode = &pipe_config->requested_mode;
1120
1121 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1122 pipe_config->pipe_bpp = 8*3;
1123
1124 if (HAS_PCH_SPLIT(encoder->base.dev))
1125 pipe_config->has_pch_encoder = true;
1126
1127 /* We need to construct preferred input timings based on our
1128 * output timings. To do that, we have to set the output
1129 * timings, even though this isn't really the right place in
1130 * the sequence to do it. Oh well.
1131 */
1132 if (intel_sdvo->is_tv) {
1133 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1134 return false;
1135
1136 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1137 mode,
1138 adjusted_mode);
1139 pipe_config->sdvo_tv_clock = true;
1140 } else if (intel_sdvo->is_lvds) {
1141 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1142 intel_sdvo->sdvo_lvds_fixed_mode))
1143 return false;
1144
1145 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1146 mode,
1147 adjusted_mode);
1148 }
1149
1150 /* Make the CRTC code factor in the SDVO pixel multiplier. The
1151 * SDVO device will factor out the multiplier during mode_set.
1152 */
1153 pipe_config->pixel_multiplier =
1154 intel_sdvo_get_pixel_multiplier(adjusted_mode);
1155
1156 pipe_config->has_hdmi_sink = intel_sdvo->has_hdmi_monitor;
1157
1158 if (intel_sdvo->color_range_auto) {
1159 /* See CEA-861-E - 5.1 Default Encoding Parameters */
1160 /* FIXME: This bit is only valid when using TMDS encoding and 8
1161 * bit per color mode. */
1162 if (pipe_config->has_hdmi_sink &&
1163 drm_match_cea_mode(adjusted_mode) > 1)
1164 pipe_config->limited_color_range = true;
1165 } else {
1166 if (pipe_config->has_hdmi_sink &&
1167 intel_sdvo->color_range == HDMI_COLOR_RANGE_16_235)
1168 pipe_config->limited_color_range = true;
1169 }
1170
1171 /* Clock computation needs to happen after pixel multiplier. */
1172 if (intel_sdvo->is_tv)
1173 i9xx_adjust_sdvo_tv_clock(pipe_config);
1174
1175 return true;
1176 }
1177
1178 static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder)
1179 {
1180 struct drm_device *dev = intel_encoder->base.dev;
1181 struct drm_i915_private *dev_priv = dev->dev_private;
1182 struct intel_crtc *crtc = to_intel_crtc(intel_encoder->base.crtc);
1183 struct drm_display_mode *adjusted_mode =
1184 &crtc->config.adjusted_mode;
1185 struct drm_display_mode *mode = &crtc->config.requested_mode;
1186 struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
1187 u32 sdvox;
1188 struct intel_sdvo_in_out_map in_out;
1189 struct intel_sdvo_dtd input_dtd, output_dtd;
1190 int rate;
1191
1192 if (!mode)
1193 return;
1194
1195 /* First, set the input mapping for the first input to our controlled
1196 * output. This is only correct if we're a single-input device, in
1197 * which case the first input is the output from the appropriate SDVO
1198 * channel on the motherboard. In a two-input device, the first input
1199 * will be SDVOB and the second SDVOC.
1200 */
1201 in_out.in0 = intel_sdvo->attached_output;
1202 in_out.in1 = 0;
1203
1204 intel_sdvo_set_value(intel_sdvo,
1205 SDVO_CMD_SET_IN_OUT_MAP,
1206 &in_out, sizeof(in_out));
1207
1208 /* Set the output timings to the screen */
1209 if (!intel_sdvo_set_target_output(intel_sdvo,
1210 intel_sdvo->attached_output))
1211 return;
1212
1213 /* lvds has a special fixed output timing. */
1214 if (intel_sdvo->is_lvds)
1215 intel_sdvo_get_dtd_from_mode(&output_dtd,
1216 intel_sdvo->sdvo_lvds_fixed_mode);
1217 else
1218 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1219 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1220 DRM_INFO("Setting output timings on %s failed\n",
1221 SDVO_NAME(intel_sdvo));
1222
1223 /* Set the input timing to the screen. Assume always input 0. */
1224 if (!intel_sdvo_set_target_input(intel_sdvo))
1225 return;
1226
1227 if (crtc->config.has_hdmi_sink) {
1228 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1229 intel_sdvo_set_colorimetry(intel_sdvo,
1230 SDVO_COLORIMETRY_RGB256);
1231 intel_sdvo_set_avi_infoframe(intel_sdvo, adjusted_mode);
1232 } else
1233 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1234
1235 if (intel_sdvo->is_tv &&
1236 !intel_sdvo_set_tv_format(intel_sdvo))
1237 return;
1238
1239 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1240
1241 if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
1242 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1243 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1244 DRM_INFO("Setting input timings on %s failed\n",
1245 SDVO_NAME(intel_sdvo));
1246
1247 switch (crtc->config.pixel_multiplier) {
1248 default:
1249 WARN(1, "unknown pixel mutlipler specified\n");
1250 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1251 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1252 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1253 }
1254 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1255 return;
1256
1257 /* Set the SDVO control regs. */
1258 if (INTEL_INFO(dev)->gen >= 4) {
1259 /* The real mode polarity is set by the SDVO commands, using
1260 * struct intel_sdvo_dtd. */
1261 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1262 if (!HAS_PCH_SPLIT(dev) && crtc->config.limited_color_range)
1263 sdvox |= HDMI_COLOR_RANGE_16_235;
1264 if (INTEL_INFO(dev)->gen < 5)
1265 sdvox |= SDVO_BORDER_ENABLE;
1266 } else {
1267 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1268 switch (intel_sdvo->sdvo_reg) {
1269 case GEN3_SDVOB:
1270 sdvox &= SDVOB_PRESERVE_MASK;
1271 break;
1272 case GEN3_SDVOC:
1273 sdvox &= SDVOC_PRESERVE_MASK;
1274 break;
1275 }
1276 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1277 }
1278
1279 if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1280 sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
1281 else
1282 sdvox |= SDVO_PIPE_SEL(crtc->pipe);
1283
1284 if (intel_sdvo->has_hdmi_audio)
1285 sdvox |= SDVO_AUDIO_ENABLE;
1286
1287 if (INTEL_INFO(dev)->gen >= 4) {
1288 /* done in crtc_mode_set as the dpll_md reg must be written early */
1289 } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1290 /* done in crtc_mode_set as it lives inside the dpll register */
1291 } else {
1292 sdvox |= (crtc->config.pixel_multiplier - 1)
1293 << SDVO_PORT_MULTIPLY_SHIFT;
1294 }
1295
1296 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1297 INTEL_INFO(dev)->gen < 5)
1298 sdvox |= SDVO_STALL_SELECT;
1299 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1300 }
1301
1302 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1303 {
1304 struct intel_sdvo_connector *intel_sdvo_connector =
1305 to_intel_sdvo_connector(&connector->base);
1306 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
1307 u16 active_outputs = 0;
1308
1309 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1310
1311 if (active_outputs & intel_sdvo_connector->output_flag)
1312 return true;
1313 else
1314 return false;
1315 }
1316
1317 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1318 enum pipe *pipe)
1319 {
1320 struct drm_device *dev = encoder->base.dev;
1321 struct drm_i915_private *dev_priv = dev->dev_private;
1322 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1323 u16 active_outputs = 0;
1324 u32 tmp;
1325
1326 tmp = I915_READ(intel_sdvo->sdvo_reg);
1327 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1328
1329 if (!(tmp & SDVO_ENABLE) && (active_outputs == 0))
1330 return false;
1331
1332 if (HAS_PCH_CPT(dev))
1333 *pipe = PORT_TO_PIPE_CPT(tmp);
1334 else
1335 *pipe = PORT_TO_PIPE(tmp);
1336
1337 return true;
1338 }
1339
1340 static void intel_sdvo_get_config(struct intel_encoder *encoder,
1341 struct intel_crtc_config *pipe_config)
1342 {
1343 struct drm_device *dev = encoder->base.dev;
1344 struct drm_i915_private *dev_priv = dev->dev_private;
1345 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1346 struct intel_sdvo_dtd dtd;
1347 int encoder_pixel_multiplier = 0;
1348 int dotclock;
1349 u32 flags = 0, sdvox;
1350 u8 val;
1351 bool ret;
1352
1353 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1354
1355 ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
1356 if (!ret) {
1357 /* Some sdvo encoders are not spec compliant and don't
1358 * implement the mandatory get_timings function. */
1359 DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n");
1360 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
1361 } else {
1362 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
1363 flags |= DRM_MODE_FLAG_PHSYNC;
1364 else
1365 flags |= DRM_MODE_FLAG_NHSYNC;
1366
1367 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
1368 flags |= DRM_MODE_FLAG_PVSYNC;
1369 else
1370 flags |= DRM_MODE_FLAG_NVSYNC;
1371 }
1372
1373 pipe_config->adjusted_mode.flags |= flags;
1374
1375 /*
1376 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1377 * the sdvo port register, on all other platforms it is part of the dpll
1378 * state. Since the general pipe state readout happens before the
1379 * encoder->get_config we so already have a valid pixel multplier on all
1380 * other platfroms.
1381 */
1382 if (IS_I915G(dev) || IS_I915GM(dev)) {
1383 pipe_config->pixel_multiplier =
1384 ((sdvox & SDVO_PORT_MULTIPLY_MASK)
1385 >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
1386 }
1387
1388 dotclock = pipe_config->port_clock;
1389 if (pipe_config->pixel_multiplier)
1390 dotclock /= pipe_config->pixel_multiplier;
1391
1392 if (HAS_PCH_SPLIT(dev))
1393 ironlake_check_encoder_dotclock(pipe_config, dotclock);
1394
1395 pipe_config->adjusted_mode.crtc_clock = dotclock;
1396
1397 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1398 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
1399 &val, 1)) {
1400 switch (val) {
1401 case SDVO_CLOCK_RATE_MULT_1X:
1402 encoder_pixel_multiplier = 1;
1403 break;
1404 case SDVO_CLOCK_RATE_MULT_2X:
1405 encoder_pixel_multiplier = 2;
1406 break;
1407 case SDVO_CLOCK_RATE_MULT_4X:
1408 encoder_pixel_multiplier = 4;
1409 break;
1410 }
1411 }
1412
1413 if (sdvox & HDMI_COLOR_RANGE_16_235)
1414 pipe_config->limited_color_range = true;
1415
1416 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
1417 &val, 1)) {
1418 if (val == SDVO_ENCODE_HDMI)
1419 pipe_config->has_hdmi_sink = true;
1420 }
1421
1422 WARN(encoder_pixel_multiplier != pipe_config->pixel_multiplier,
1423 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1424 pipe_config->pixel_multiplier, encoder_pixel_multiplier);
1425 }
1426
1427 static void intel_disable_sdvo(struct intel_encoder *encoder)
1428 {
1429 struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
1430 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1431 u32 temp;
1432
1433 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1434 if (0)
1435 intel_sdvo_set_encoder_power_state(intel_sdvo,
1436 DRM_MODE_DPMS_OFF);
1437
1438 temp = I915_READ(intel_sdvo->sdvo_reg);
1439 if ((temp & SDVO_ENABLE) != 0) {
1440 /* HW workaround for IBX, we need to move the port to
1441 * transcoder A before disabling it. */
1442 if (HAS_PCH_IBX(encoder->base.dev)) {
1443 struct drm_crtc *crtc = encoder->base.crtc;
1444 int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
1445
1446 if (temp & SDVO_PIPE_B_SELECT) {
1447 temp &= ~SDVO_PIPE_B_SELECT;
1448 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1449 POSTING_READ(intel_sdvo->sdvo_reg);
1450
1451 /* Again we need to write this twice. */
1452 I915_WRITE(intel_sdvo->sdvo_reg, temp);
1453 POSTING_READ(intel_sdvo->sdvo_reg);
1454
1455 /* Transcoder selection bits only update
1456 * effectively on vblank. */
1457 if (crtc)
1458 intel_wait_for_vblank(encoder->base.dev, pipe);
1459 else
1460 msleep(50);
1461 }
1462 }
1463
1464 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1465 }
1466 }
1467
1468 static void intel_enable_sdvo(struct intel_encoder *encoder)
1469 {
1470 struct drm_device *dev = encoder->base.dev;
1471 struct drm_i915_private *dev_priv = dev->dev_private;
1472 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1473 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
1474 u32 temp;
1475 bool input1, input2;
1476 int i;
1477 bool success;
1478
1479 temp = I915_READ(intel_sdvo->sdvo_reg);
1480 if ((temp & SDVO_ENABLE) == 0) {
1481 /* HW workaround for IBX, we need to move the port
1482 * to transcoder A before disabling it, so restore it here. */
1483 if (HAS_PCH_IBX(dev))
1484 temp |= SDVO_PIPE_SEL(intel_crtc->pipe);
1485
1486 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1487 }
1488 for (i = 0; i < 2; i++)
1489 intel_wait_for_vblank(dev, intel_crtc->pipe);
1490
1491 success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1492 /* Warn if the device reported failure to sync.
1493 * A lot of SDVO devices fail to notify of sync, but it's
1494 * a given it the status is a success, we succeeded.
1495 */
1496 if (success && !input1) {
1497 DRM_DEBUG_KMS("First %s output reported failure to "
1498 "sync\n", SDVO_NAME(intel_sdvo));
1499 }
1500
1501 if (0)
1502 intel_sdvo_set_encoder_power_state(intel_sdvo,
1503 DRM_MODE_DPMS_ON);
1504 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1505 }
1506
1507 /* Special dpms function to support cloning between dvo/sdvo/crt. */
1508 static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
1509 {
1510 struct drm_crtc *crtc;
1511 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1512
1513 /* dvo supports only 2 dpms states. */
1514 if (mode != DRM_MODE_DPMS_ON)
1515 mode = DRM_MODE_DPMS_OFF;
1516
1517 if (mode == connector->dpms)
1518 return;
1519
1520 connector->dpms = mode;
1521
1522 /* Only need to change hw state when actually enabled */
1523 crtc = intel_sdvo->base.base.crtc;
1524 if (!crtc) {
1525 intel_sdvo->base.connectors_active = false;
1526 return;
1527 }
1528
1529 /* We set active outputs manually below in case pipe dpms doesn't change
1530 * due to cloning. */
1531 if (mode != DRM_MODE_DPMS_ON) {
1532 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1533 if (0)
1534 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1535
1536 intel_sdvo->base.connectors_active = false;
1537
1538 intel_crtc_update_dpms(crtc);
1539 } else {
1540 intel_sdvo->base.connectors_active = true;
1541
1542 intel_crtc_update_dpms(crtc);
1543
1544 if (0)
1545 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1546 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1547 }
1548
1549 intel_modeset_check_state(connector->dev);
1550 }
1551
1552 static enum drm_mode_status
1553 intel_sdvo_mode_valid(struct drm_connector *connector,
1554 struct drm_display_mode *mode)
1555 {
1556 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1557
1558 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1559 return MODE_NO_DBLESCAN;
1560
1561 if (intel_sdvo->pixel_clock_min > mode->clock)
1562 return MODE_CLOCK_LOW;
1563
1564 if (intel_sdvo->pixel_clock_max < mode->clock)
1565 return MODE_CLOCK_HIGH;
1566
1567 if (intel_sdvo->is_lvds) {
1568 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1569 return MODE_PANEL;
1570
1571 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1572 return MODE_PANEL;
1573 }
1574
1575 return MODE_OK;
1576 }
1577
1578 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1579 {
1580 BUILD_BUG_ON(sizeof(*caps) != 8);
1581 if (!intel_sdvo_get_value(intel_sdvo,
1582 SDVO_CMD_GET_DEVICE_CAPS,
1583 caps, sizeof(*caps)))
1584 return false;
1585
1586 DRM_DEBUG_KMS("SDVO capabilities:\n"
1587 " vendor_id: %d\n"
1588 " device_id: %d\n"
1589 " device_rev_id: %d\n"
1590 " sdvo_version_major: %d\n"
1591 " sdvo_version_minor: %d\n"
1592 " sdvo_inputs_mask: %d\n"
1593 " smooth_scaling: %d\n"
1594 " sharp_scaling: %d\n"
1595 " up_scaling: %d\n"
1596 " down_scaling: %d\n"
1597 " stall_support: %d\n"
1598 " output_flags: %d\n",
1599 caps->vendor_id,
1600 caps->device_id,
1601 caps->device_rev_id,
1602 caps->sdvo_version_major,
1603 caps->sdvo_version_minor,
1604 caps->sdvo_inputs_mask,
1605 caps->smooth_scaling,
1606 caps->sharp_scaling,
1607 caps->up_scaling,
1608 caps->down_scaling,
1609 caps->stall_support,
1610 caps->output_flags);
1611
1612 return true;
1613 }
1614
1615 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
1616 {
1617 struct drm_device *dev = intel_sdvo->base.base.dev;
1618 uint16_t hotplug;
1619
1620 /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1621 * on the line. */
1622 if (IS_I945G(dev) || IS_I945GM(dev))
1623 return 0;
1624
1625 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1626 &hotplug, sizeof(hotplug)))
1627 return 0;
1628
1629 return hotplug;
1630 }
1631
1632 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1633 {
1634 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1635
1636 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1637 &intel_sdvo->hotplug_active, 2);
1638 }
1639
1640 static bool
1641 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1642 {
1643 /* Is there more than one type of output? */
1644 return hweight16(intel_sdvo->caps.output_flags) > 1;
1645 }
1646
1647 static struct edid *
1648 intel_sdvo_get_edid(struct drm_connector *connector)
1649 {
1650 struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1651 return drm_get_edid(connector, &sdvo->ddc);
1652 }
1653
1654 /* Mac mini hack -- use the same DDC as the analog connector */
1655 static struct edid *
1656 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1657 {
1658 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1659
1660 return drm_get_edid(connector,
1661 intel_gmbus_get_adapter(dev_priv,
1662 dev_priv->vbt.crt_ddc_pin));
1663 }
1664
1665 static enum drm_connector_status
1666 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1667 {
1668 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1669 enum drm_connector_status status;
1670 struct edid *edid;
1671
1672 edid = intel_sdvo_get_edid(connector);
1673
1674 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1675 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1676
1677 /*
1678 * Don't use the 1 as the argument of DDC bus switch to get
1679 * the EDID. It is used for SDVO SPD ROM.
1680 */
1681 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1682 intel_sdvo->ddc_bus = ddc;
1683 edid = intel_sdvo_get_edid(connector);
1684 if (edid)
1685 break;
1686 }
1687 /*
1688 * If we found the EDID on the other bus,
1689 * assume that is the correct DDC bus.
1690 */
1691 if (edid == NULL)
1692 intel_sdvo->ddc_bus = saved_ddc;
1693 }
1694
1695 /*
1696 * When there is no edid and no monitor is connected with VGA
1697 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1698 */
1699 if (edid == NULL)
1700 edid = intel_sdvo_get_analog_edid(connector);
1701
1702 status = connector_status_unknown;
1703 if (edid != NULL) {
1704 /* DDC bus is shared, match EDID to connector type */
1705 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1706 status = connector_status_connected;
1707 if (intel_sdvo->is_hdmi) {
1708 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1709 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1710 intel_sdvo->rgb_quant_range_selectable =
1711 drm_rgb_quant_range_selectable(edid);
1712 }
1713 } else
1714 status = connector_status_disconnected;
1715 kfree(edid);
1716 }
1717
1718 if (status == connector_status_connected) {
1719 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1720 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1721 intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1722 }
1723
1724 return status;
1725 }
1726
1727 static bool
1728 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1729 struct edid *edid)
1730 {
1731 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1732 bool connector_is_digital = !!IS_DIGITAL(sdvo);
1733
1734 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1735 connector_is_digital, monitor_is_digital);
1736 return connector_is_digital == monitor_is_digital;
1737 }
1738
1739 static enum drm_connector_status
1740 intel_sdvo_detect(struct drm_connector *connector, bool force)
1741 {
1742 uint16_t response;
1743 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1744 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1745 enum drm_connector_status ret;
1746
1747 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1748 connector->base.id, connector->name);
1749
1750 if (!intel_sdvo_get_value(intel_sdvo,
1751 SDVO_CMD_GET_ATTACHED_DISPLAYS,
1752 &response, 2))
1753 return connector_status_unknown;
1754
1755 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1756 response & 0xff, response >> 8,
1757 intel_sdvo_connector->output_flag);
1758
1759 if (response == 0)
1760 return connector_status_disconnected;
1761
1762 intel_sdvo->attached_output = response;
1763
1764 intel_sdvo->has_hdmi_monitor = false;
1765 intel_sdvo->has_hdmi_audio = false;
1766 intel_sdvo->rgb_quant_range_selectable = false;
1767
1768 if ((intel_sdvo_connector->output_flag & response) == 0)
1769 ret = connector_status_disconnected;
1770 else if (IS_TMDS(intel_sdvo_connector))
1771 ret = intel_sdvo_tmds_sink_detect(connector);
1772 else {
1773 struct edid *edid;
1774
1775 /* if we have an edid check it matches the connection */
1776 edid = intel_sdvo_get_edid(connector);
1777 if (edid == NULL)
1778 edid = intel_sdvo_get_analog_edid(connector);
1779 if (edid != NULL) {
1780 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1781 edid))
1782 ret = connector_status_connected;
1783 else
1784 ret = connector_status_disconnected;
1785
1786 kfree(edid);
1787 } else
1788 ret = connector_status_connected;
1789 }
1790
1791 /* May update encoder flag for like clock for SDVO TV, etc.*/
1792 if (ret == connector_status_connected) {
1793 intel_sdvo->is_tv = false;
1794 intel_sdvo->is_lvds = false;
1795
1796 if (response & SDVO_TV_MASK)
1797 intel_sdvo->is_tv = true;
1798 if (response & SDVO_LVDS_MASK)
1799 intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1800 }
1801
1802 return ret;
1803 }
1804
1805 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1806 {
1807 struct edid *edid;
1808
1809 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1810 connector->base.id, connector->name);
1811
1812 /* set the bus switch and get the modes */
1813 edid = intel_sdvo_get_edid(connector);
1814
1815 /*
1816 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1817 * link between analog and digital outputs. So, if the regular SDVO
1818 * DDC fails, check to see if the analog output is disconnected, in
1819 * which case we'll look there for the digital DDC data.
1820 */
1821 if (edid == NULL)
1822 edid = intel_sdvo_get_analog_edid(connector);
1823
1824 if (edid != NULL) {
1825 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1826 edid)) {
1827 drm_mode_connector_update_edid_property(connector, edid);
1828 drm_add_edid_modes(connector, edid);
1829 }
1830
1831 kfree(edid);
1832 }
1833 }
1834
1835 /*
1836 * Set of SDVO TV modes.
1837 * Note! This is in reply order (see loop in get_tv_modes).
1838 * XXX: all 60Hz refresh?
1839 */
1840 static const struct drm_display_mode sdvo_tv_modes[] = {
1841 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1842 416, 0, 200, 201, 232, 233, 0,
1843 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1844 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1845 416, 0, 240, 241, 272, 273, 0,
1846 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1847 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1848 496, 0, 300, 301, 332, 333, 0,
1849 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1850 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1851 736, 0, 350, 351, 382, 383, 0,
1852 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1853 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1854 736, 0, 400, 401, 432, 433, 0,
1855 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1856 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1857 736, 0, 480, 481, 512, 513, 0,
1858 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1859 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1860 800, 0, 480, 481, 512, 513, 0,
1861 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1862 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1863 800, 0, 576, 577, 608, 609, 0,
1864 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1865 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1866 816, 0, 350, 351, 382, 383, 0,
1867 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1868 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1869 816, 0, 400, 401, 432, 433, 0,
1870 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1871 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1872 816, 0, 480, 481, 512, 513, 0,
1873 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1874 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1875 816, 0, 540, 541, 572, 573, 0,
1876 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1877 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1878 816, 0, 576, 577, 608, 609, 0,
1879 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1880 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1881 864, 0, 576, 577, 608, 609, 0,
1882 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1883 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1884 896, 0, 600, 601, 632, 633, 0,
1885 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1886 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1887 928, 0, 624, 625, 656, 657, 0,
1888 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1889 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1890 1016, 0, 766, 767, 798, 799, 0,
1891 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1892 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1893 1120, 0, 768, 769, 800, 801, 0,
1894 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1895 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1896 1376, 0, 1024, 1025, 1056, 1057, 0,
1897 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1898 };
1899
1900 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1901 {
1902 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1903 struct intel_sdvo_sdtv_resolution_request tv_res;
1904 uint32_t reply = 0, format_map = 0;
1905 int i;
1906
1907 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1908 connector->base.id, connector->name);
1909
1910 /* Read the list of supported input resolutions for the selected TV
1911 * format.
1912 */
1913 format_map = 1 << intel_sdvo->tv_format_index;
1914 memcpy(&tv_res, &format_map,
1915 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1916
1917 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1918 return;
1919
1920 BUILD_BUG_ON(sizeof(tv_res) != 3);
1921 if (!intel_sdvo_write_cmd(intel_sdvo,
1922 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1923 &tv_res, sizeof(tv_res)))
1924 return;
1925 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1926 return;
1927
1928 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1929 if (reply & (1 << i)) {
1930 struct drm_display_mode *nmode;
1931 nmode = drm_mode_duplicate(connector->dev,
1932 &sdvo_tv_modes[i]);
1933 if (nmode)
1934 drm_mode_probed_add(connector, nmode);
1935 }
1936 }
1937
1938 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1939 {
1940 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1941 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1942 struct drm_display_mode *newmode;
1943
1944 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1945 connector->base.id, connector->name);
1946
1947 /*
1948 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
1949 * SDVO->LVDS transcoders can't cope with the EDID mode.
1950 */
1951 if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
1952 newmode = drm_mode_duplicate(connector->dev,
1953 dev_priv->vbt.sdvo_lvds_vbt_mode);
1954 if (newmode != NULL) {
1955 /* Guarantee the mode is preferred */
1956 newmode->type = (DRM_MODE_TYPE_PREFERRED |
1957 DRM_MODE_TYPE_DRIVER);
1958 drm_mode_probed_add(connector, newmode);
1959 }
1960 }
1961
1962 /*
1963 * Attempt to get the mode list from DDC.
1964 * Assume that the preferred modes are
1965 * arranged in priority order.
1966 */
1967 intel_ddc_get_modes(connector, &intel_sdvo->ddc);
1968
1969 list_for_each_entry(newmode, &connector->probed_modes, head) {
1970 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1971 intel_sdvo->sdvo_lvds_fixed_mode =
1972 drm_mode_duplicate(connector->dev, newmode);
1973
1974 intel_sdvo->is_lvds = true;
1975 break;
1976 }
1977 }
1978 }
1979
1980 static int intel_sdvo_get_modes(struct drm_connector *connector)
1981 {
1982 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1983
1984 if (IS_TV(intel_sdvo_connector))
1985 intel_sdvo_get_tv_modes(connector);
1986 else if (IS_LVDS(intel_sdvo_connector))
1987 intel_sdvo_get_lvds_modes(connector);
1988 else
1989 intel_sdvo_get_ddc_modes(connector);
1990
1991 return !list_empty(&connector->probed_modes);
1992 }
1993
1994 static void
1995 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1996 {
1997 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1998 struct drm_device *dev = connector->dev;
1999
2000 if (intel_sdvo_connector->left)
2001 drm_property_destroy(dev, intel_sdvo_connector->left);
2002 if (intel_sdvo_connector->right)
2003 drm_property_destroy(dev, intel_sdvo_connector->right);
2004 if (intel_sdvo_connector->top)
2005 drm_property_destroy(dev, intel_sdvo_connector->top);
2006 if (intel_sdvo_connector->bottom)
2007 drm_property_destroy(dev, intel_sdvo_connector->bottom);
2008 if (intel_sdvo_connector->hpos)
2009 drm_property_destroy(dev, intel_sdvo_connector->hpos);
2010 if (intel_sdvo_connector->vpos)
2011 drm_property_destroy(dev, intel_sdvo_connector->vpos);
2012 if (intel_sdvo_connector->saturation)
2013 drm_property_destroy(dev, intel_sdvo_connector->saturation);
2014 if (intel_sdvo_connector->contrast)
2015 drm_property_destroy(dev, intel_sdvo_connector->contrast);
2016 if (intel_sdvo_connector->hue)
2017 drm_property_destroy(dev, intel_sdvo_connector->hue);
2018 if (intel_sdvo_connector->sharpness)
2019 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
2020 if (intel_sdvo_connector->flicker_filter)
2021 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
2022 if (intel_sdvo_connector->flicker_filter_2d)
2023 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
2024 if (intel_sdvo_connector->flicker_filter_adaptive)
2025 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
2026 if (intel_sdvo_connector->tv_luma_filter)
2027 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
2028 if (intel_sdvo_connector->tv_chroma_filter)
2029 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
2030 if (intel_sdvo_connector->dot_crawl)
2031 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
2032 if (intel_sdvo_connector->brightness)
2033 drm_property_destroy(dev, intel_sdvo_connector->brightness);
2034 }
2035
2036 static void intel_sdvo_destroy(struct drm_connector *connector)
2037 {
2038 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2039
2040 if (intel_sdvo_connector->tv_format)
2041 drm_property_destroy(connector->dev,
2042 intel_sdvo_connector->tv_format);
2043
2044 intel_sdvo_destroy_enhance_property(connector);
2045 drm_connector_cleanup(connector);
2046 kfree(intel_sdvo_connector);
2047 }
2048
2049 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
2050 {
2051 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
2052 struct edid *edid;
2053 bool has_audio = false;
2054
2055 if (!intel_sdvo->is_hdmi)
2056 return false;
2057
2058 edid = intel_sdvo_get_edid(connector);
2059 if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
2060 has_audio = drm_detect_monitor_audio(edid);
2061 kfree(edid);
2062
2063 return has_audio;
2064 }
2065
2066 static int
2067 intel_sdvo_set_property(struct drm_connector *connector,
2068 struct drm_property *property,
2069 uint64_t val)
2070 {
2071 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
2072 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2073 struct drm_i915_private *dev_priv = connector->dev->dev_private;
2074 uint16_t temp_value;
2075 uint8_t cmd;
2076 int ret;
2077
2078 ret = drm_object_property_set_value(&connector->base, property, val);
2079 if (ret)
2080 return ret;
2081
2082 if (property == dev_priv->force_audio_property) {
2083 int i = val;
2084 bool has_audio;
2085
2086 if (i == intel_sdvo_connector->force_audio)
2087 return 0;
2088
2089 intel_sdvo_connector->force_audio = i;
2090
2091 if (i == HDMI_AUDIO_AUTO)
2092 has_audio = intel_sdvo_detect_hdmi_audio(connector);
2093 else
2094 has_audio = (i == HDMI_AUDIO_ON);
2095
2096 if (has_audio == intel_sdvo->has_hdmi_audio)
2097 return 0;
2098
2099 intel_sdvo->has_hdmi_audio = has_audio;
2100 goto done;
2101 }
2102
2103 if (property == dev_priv->broadcast_rgb_property) {
2104 bool old_auto = intel_sdvo->color_range_auto;
2105 uint32_t old_range = intel_sdvo->color_range;
2106
2107 switch (val) {
2108 case INTEL_BROADCAST_RGB_AUTO:
2109 intel_sdvo->color_range_auto = true;
2110 break;
2111 case INTEL_BROADCAST_RGB_FULL:
2112 intel_sdvo->color_range_auto = false;
2113 intel_sdvo->color_range = 0;
2114 break;
2115 case INTEL_BROADCAST_RGB_LIMITED:
2116 intel_sdvo->color_range_auto = false;
2117 /* FIXME: this bit is only valid when using TMDS
2118 * encoding and 8 bit per color mode. */
2119 intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235;
2120 break;
2121 default:
2122 return -EINVAL;
2123 }
2124
2125 if (old_auto == intel_sdvo->color_range_auto &&
2126 old_range == intel_sdvo->color_range)
2127 return 0;
2128
2129 goto done;
2130 }
2131
2132 #define CHECK_PROPERTY(name, NAME) \
2133 if (intel_sdvo_connector->name == property) { \
2134 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
2135 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
2136 cmd = SDVO_CMD_SET_##NAME; \
2137 intel_sdvo_connector->cur_##name = temp_value; \
2138 goto set_value; \
2139 }
2140
2141 if (property == intel_sdvo_connector->tv_format) {
2142 if (val >= TV_FORMAT_NUM)
2143 return -EINVAL;
2144
2145 if (intel_sdvo->tv_format_index ==
2146 intel_sdvo_connector->tv_format_supported[val])
2147 return 0;
2148
2149 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
2150 goto done;
2151 } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
2152 temp_value = val;
2153 if (intel_sdvo_connector->left == property) {
2154 drm_object_property_set_value(&connector->base,
2155 intel_sdvo_connector->right, val);
2156 if (intel_sdvo_connector->left_margin == temp_value)
2157 return 0;
2158
2159 intel_sdvo_connector->left_margin = temp_value;
2160 intel_sdvo_connector->right_margin = temp_value;
2161 temp_value = intel_sdvo_connector->max_hscan -
2162 intel_sdvo_connector->left_margin;
2163 cmd = SDVO_CMD_SET_OVERSCAN_H;
2164 goto set_value;
2165 } else if (intel_sdvo_connector->right == property) {
2166 drm_object_property_set_value(&connector->base,
2167 intel_sdvo_connector->left, val);
2168 if (intel_sdvo_connector->right_margin == temp_value)
2169 return 0;
2170
2171 intel_sdvo_connector->left_margin = temp_value;
2172 intel_sdvo_connector->right_margin = temp_value;
2173 temp_value = intel_sdvo_connector->max_hscan -
2174 intel_sdvo_connector->left_margin;
2175 cmd = SDVO_CMD_SET_OVERSCAN_H;
2176 goto set_value;
2177 } else if (intel_sdvo_connector->top == property) {
2178 drm_object_property_set_value(&connector->base,
2179 intel_sdvo_connector->bottom, val);
2180 if (intel_sdvo_connector->top_margin == temp_value)
2181 return 0;
2182
2183 intel_sdvo_connector->top_margin = temp_value;
2184 intel_sdvo_connector->bottom_margin = temp_value;
2185 temp_value = intel_sdvo_connector->max_vscan -
2186 intel_sdvo_connector->top_margin;
2187 cmd = SDVO_CMD_SET_OVERSCAN_V;
2188 goto set_value;
2189 } else if (intel_sdvo_connector->bottom == property) {
2190 drm_object_property_set_value(&connector->base,
2191 intel_sdvo_connector->top, val);
2192 if (intel_sdvo_connector->bottom_margin == temp_value)
2193 return 0;
2194
2195 intel_sdvo_connector->top_margin = temp_value;
2196 intel_sdvo_connector->bottom_margin = temp_value;
2197 temp_value = intel_sdvo_connector->max_vscan -
2198 intel_sdvo_connector->top_margin;
2199 cmd = SDVO_CMD_SET_OVERSCAN_V;
2200 goto set_value;
2201 }
2202 CHECK_PROPERTY(hpos, HPOS)
2203 CHECK_PROPERTY(vpos, VPOS)
2204 CHECK_PROPERTY(saturation, SATURATION)
2205 CHECK_PROPERTY(contrast, CONTRAST)
2206 CHECK_PROPERTY(hue, HUE)
2207 CHECK_PROPERTY(brightness, BRIGHTNESS)
2208 CHECK_PROPERTY(sharpness, SHARPNESS)
2209 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
2210 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
2211 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
2212 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
2213 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
2214 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
2215 }
2216
2217 return -EINVAL; /* unknown property */
2218
2219 set_value:
2220 if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
2221 return -EIO;
2222
2223
2224 done:
2225 if (intel_sdvo->base.base.crtc)
2226 intel_crtc_restore_mode(intel_sdvo->base.base.crtc);
2227
2228 return 0;
2229 #undef CHECK_PROPERTY
2230 }
2231
2232 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2233 .dpms = intel_sdvo_dpms,
2234 .detect = intel_sdvo_detect,
2235 .fill_modes = drm_helper_probe_single_connector_modes,
2236 .set_property = intel_sdvo_set_property,
2237 .destroy = intel_sdvo_destroy,
2238 };
2239
2240 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2241 .get_modes = intel_sdvo_get_modes,
2242 .mode_valid = intel_sdvo_mode_valid,
2243 .best_encoder = intel_best_encoder,
2244 };
2245
2246 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
2247 {
2248 struct intel_sdvo *intel_sdvo = to_sdvo(to_intel_encoder(encoder));
2249
2250 if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
2251 drm_mode_destroy(encoder->dev,
2252 intel_sdvo->sdvo_lvds_fixed_mode);
2253
2254 i2c_del_adapter(&intel_sdvo->ddc);
2255 intel_encoder_destroy(encoder);
2256 }
2257
2258 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2259 .destroy = intel_sdvo_enc_destroy,
2260 };
2261
2262 static void
2263 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
2264 {
2265 uint16_t mask = 0;
2266 unsigned int num_bits;
2267
2268 /* Make a mask of outputs less than or equal to our own priority in the
2269 * list.
2270 */
2271 switch (sdvo->controlled_output) {
2272 case SDVO_OUTPUT_LVDS1:
2273 mask |= SDVO_OUTPUT_LVDS1;
2274 case SDVO_OUTPUT_LVDS0:
2275 mask |= SDVO_OUTPUT_LVDS0;
2276 case SDVO_OUTPUT_TMDS1:
2277 mask |= SDVO_OUTPUT_TMDS1;
2278 case SDVO_OUTPUT_TMDS0:
2279 mask |= SDVO_OUTPUT_TMDS0;
2280 case SDVO_OUTPUT_RGB1:
2281 mask |= SDVO_OUTPUT_RGB1;
2282 case SDVO_OUTPUT_RGB0:
2283 mask |= SDVO_OUTPUT_RGB0;
2284 break;
2285 }
2286
2287 /* Count bits to find what number we are in the priority list. */
2288 mask &= sdvo->caps.output_flags;
2289 num_bits = hweight16(mask);
2290 /* If more than 3 outputs, default to DDC bus 3 for now. */
2291 if (num_bits > 3)
2292 num_bits = 3;
2293
2294 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2295 sdvo->ddc_bus = 1 << num_bits;
2296 }
2297
2298 /**
2299 * Choose the appropriate DDC bus for control bus switch command for this
2300 * SDVO output based on the controlled output.
2301 *
2302 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2303 * outputs, then LVDS outputs.
2304 */
2305 static void
2306 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
2307 struct intel_sdvo *sdvo, u32 reg)
2308 {
2309 struct sdvo_device_mapping *mapping;
2310
2311 if (sdvo->is_sdvob)
2312 mapping = &(dev_priv->sdvo_mappings[0]);
2313 else
2314 mapping = &(dev_priv->sdvo_mappings[1]);
2315
2316 if (mapping->initialized)
2317 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
2318 else
2319 intel_sdvo_guess_ddc_bus(sdvo);
2320 }
2321
2322 static void
2323 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
2324 struct intel_sdvo *sdvo, u32 reg)
2325 {
2326 struct sdvo_device_mapping *mapping;
2327 u8 pin;
2328
2329 if (sdvo->is_sdvob)
2330 mapping = &dev_priv->sdvo_mappings[0];
2331 else
2332 mapping = &dev_priv->sdvo_mappings[1];
2333
2334 if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
2335 pin = mapping->i2c_pin;
2336 else
2337 pin = GMBUS_PORT_DPB;
2338
2339 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2340
2341 /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2342 * our code totally fails once we start using gmbus. Hence fall back to
2343 * bit banging for now. */
2344 intel_gmbus_force_bit(sdvo->i2c, true);
2345 }
2346
2347 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2348 static void
2349 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2350 {
2351 intel_gmbus_force_bit(sdvo->i2c, false);
2352 }
2353
2354 static bool
2355 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
2356 {
2357 return intel_sdvo_check_supp_encode(intel_sdvo);
2358 }
2359
2360 static u8
2361 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
2362 {
2363 struct drm_i915_private *dev_priv = dev->dev_private;
2364 struct sdvo_device_mapping *my_mapping, *other_mapping;
2365
2366 if (sdvo->is_sdvob) {
2367 my_mapping = &dev_priv->sdvo_mappings[0];
2368 other_mapping = &dev_priv->sdvo_mappings[1];
2369 } else {
2370 my_mapping = &dev_priv->sdvo_mappings[1];
2371 other_mapping = &dev_priv->sdvo_mappings[0];
2372 }
2373
2374 /* If the BIOS described our SDVO device, take advantage of it. */
2375 if (my_mapping->slave_addr)
2376 return my_mapping->slave_addr;
2377
2378 /* If the BIOS only described a different SDVO device, use the
2379 * address that it isn't using.
2380 */
2381 if (other_mapping->slave_addr) {
2382 if (other_mapping->slave_addr == 0x70)
2383 return 0x72;
2384 else
2385 return 0x70;
2386 }
2387
2388 /* No SDVO device info is found for another DVO port,
2389 * so use mapping assumption we had before BIOS parsing.
2390 */
2391 if (sdvo->is_sdvob)
2392 return 0x70;
2393 else
2394 return 0x72;
2395 }
2396
2397 static void
2398 intel_sdvo_connector_unregister(struct intel_connector *intel_connector)
2399 {
2400 struct drm_connector *drm_connector;
2401 struct intel_sdvo *sdvo_encoder;
2402
2403 drm_connector = &intel_connector->base;
2404 sdvo_encoder = intel_attached_sdvo(&intel_connector->base);
2405
2406 sysfs_remove_link(&drm_connector->kdev->kobj,
2407 sdvo_encoder->ddc.dev.kobj.name);
2408 intel_connector_unregister(intel_connector);
2409 }
2410
2411 static int
2412 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2413 struct intel_sdvo *encoder)
2414 {
2415 struct drm_connector *drm_connector;
2416 int ret;
2417
2418 drm_connector = &connector->base.base;
2419 ret = drm_connector_init(encoder->base.base.dev,
2420 drm_connector,
2421 &intel_sdvo_connector_funcs,
2422 connector->base.base.connector_type);
2423 if (ret < 0)
2424 return ret;
2425
2426 drm_connector_helper_add(drm_connector,
2427 &intel_sdvo_connector_helper_funcs);
2428
2429 connector->base.base.interlace_allowed = 1;
2430 connector->base.base.doublescan_allowed = 0;
2431 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2432 connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2433 connector->base.unregister = intel_sdvo_connector_unregister;
2434
2435 intel_connector_attach_encoder(&connector->base, &encoder->base);
2436 ret = drm_connector_register(drm_connector);
2437 if (ret < 0)
2438 goto err1;
2439
2440 ret = sysfs_create_link(&drm_connector->kdev->kobj,
2441 &encoder->ddc.dev.kobj,
2442 encoder->ddc.dev.kobj.name);
2443 if (ret < 0)
2444 goto err2;
2445
2446 return 0;
2447
2448 err2:
2449 drm_connector_unregister(drm_connector);
2450 err1:
2451 drm_connector_cleanup(drm_connector);
2452
2453 return ret;
2454 }
2455
2456 static void
2457 intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
2458 struct intel_sdvo_connector *connector)
2459 {
2460 struct drm_device *dev = connector->base.base.dev;
2461
2462 intel_attach_force_audio_property(&connector->base.base);
2463 if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev)) {
2464 intel_attach_broadcast_rgb_property(&connector->base.base);
2465 intel_sdvo->color_range_auto = true;
2466 }
2467 }
2468
2469 static bool
2470 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2471 {
2472 struct drm_encoder *encoder = &intel_sdvo->base.base;
2473 struct drm_connector *connector;
2474 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2475 struct intel_connector *intel_connector;
2476 struct intel_sdvo_connector *intel_sdvo_connector;
2477
2478 DRM_DEBUG_KMS("initialising DVI device %d\n", device);
2479
2480 intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2481 if (!intel_sdvo_connector)
2482 return false;
2483
2484 if (device == 0) {
2485 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2486 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2487 } else if (device == 1) {
2488 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2489 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2490 }
2491
2492 intel_connector = &intel_sdvo_connector->base;
2493 connector = &intel_connector->base;
2494 if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2495 intel_sdvo_connector->output_flag) {
2496 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2497 /* Some SDVO devices have one-shot hotplug interrupts.
2498 * Ensure that they get re-enabled when an interrupt happens.
2499 */
2500 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2501 intel_sdvo_enable_hotplug(intel_encoder);
2502 } else {
2503 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2504 }
2505 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2506 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2507
2508 if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2509 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2510 intel_sdvo->is_hdmi = true;
2511 }
2512
2513 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2514 kfree(intel_sdvo_connector);
2515 return false;
2516 }
2517
2518 if (intel_sdvo->is_hdmi)
2519 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2520
2521 return true;
2522 }
2523
2524 static bool
2525 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2526 {
2527 struct drm_encoder *encoder = &intel_sdvo->base.base;
2528 struct drm_connector *connector;
2529 struct intel_connector *intel_connector;
2530 struct intel_sdvo_connector *intel_sdvo_connector;
2531
2532 DRM_DEBUG_KMS("initialising TV type %d\n", type);
2533
2534 intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2535 if (!intel_sdvo_connector)
2536 return false;
2537
2538 intel_connector = &intel_sdvo_connector->base;
2539 connector = &intel_connector->base;
2540 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2541 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2542
2543 intel_sdvo->controlled_output |= type;
2544 intel_sdvo_connector->output_flag = type;
2545
2546 intel_sdvo->is_tv = true;
2547
2548 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2549 kfree(intel_sdvo_connector);
2550 return false;
2551 }
2552
2553 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2554 goto err;
2555
2556 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2557 goto err;
2558
2559 return true;
2560
2561 err:
2562 drm_connector_unregister(connector);
2563 intel_sdvo_destroy(connector);
2564 return false;
2565 }
2566
2567 static bool
2568 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2569 {
2570 struct drm_encoder *encoder = &intel_sdvo->base.base;
2571 struct drm_connector *connector;
2572 struct intel_connector *intel_connector;
2573 struct intel_sdvo_connector *intel_sdvo_connector;
2574
2575 DRM_DEBUG_KMS("initialising analog device %d\n", device);
2576
2577 intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2578 if (!intel_sdvo_connector)
2579 return false;
2580
2581 intel_connector = &intel_sdvo_connector->base;
2582 connector = &intel_connector->base;
2583 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2584 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2585 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2586
2587 if (device == 0) {
2588 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2589 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2590 } else if (device == 1) {
2591 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2592 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2593 }
2594
2595 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2596 kfree(intel_sdvo_connector);
2597 return false;
2598 }
2599
2600 return true;
2601 }
2602
2603 static bool
2604 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2605 {
2606 struct drm_encoder *encoder = &intel_sdvo->base.base;
2607 struct drm_connector *connector;
2608 struct intel_connector *intel_connector;
2609 struct intel_sdvo_connector *intel_sdvo_connector;
2610
2611 DRM_DEBUG_KMS("initialising LVDS device %d\n", device);
2612
2613 intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2614 if (!intel_sdvo_connector)
2615 return false;
2616
2617 intel_connector = &intel_sdvo_connector->base;
2618 connector = &intel_connector->base;
2619 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2620 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2621
2622 if (device == 0) {
2623 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2624 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2625 } else if (device == 1) {
2626 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2627 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2628 }
2629
2630 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2631 kfree(intel_sdvo_connector);
2632 return false;
2633 }
2634
2635 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2636 goto err;
2637
2638 return true;
2639
2640 err:
2641 drm_connector_unregister(connector);
2642 intel_sdvo_destroy(connector);
2643 return false;
2644 }
2645
2646 static bool
2647 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2648 {
2649 intel_sdvo->is_tv = false;
2650 intel_sdvo->is_lvds = false;
2651
2652 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2653
2654 if (flags & SDVO_OUTPUT_TMDS0)
2655 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2656 return false;
2657
2658 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2659 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2660 return false;
2661
2662 /* TV has no XXX1 function block */
2663 if (flags & SDVO_OUTPUT_SVID0)
2664 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2665 return false;
2666
2667 if (flags & SDVO_OUTPUT_CVBS0)
2668 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2669 return false;
2670
2671 if (flags & SDVO_OUTPUT_YPRPB0)
2672 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2673 return false;
2674
2675 if (flags & SDVO_OUTPUT_RGB0)
2676 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2677 return false;
2678
2679 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2680 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2681 return false;
2682
2683 if (flags & SDVO_OUTPUT_LVDS0)
2684 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2685 return false;
2686
2687 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2688 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2689 return false;
2690
2691 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2692 unsigned char bytes[2];
2693
2694 intel_sdvo->controlled_output = 0;
2695 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2696 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2697 SDVO_NAME(intel_sdvo),
2698 bytes[0], bytes[1]);
2699 return false;
2700 }
2701 intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2702
2703 return true;
2704 }
2705
2706 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
2707 {
2708 struct drm_device *dev = intel_sdvo->base.base.dev;
2709 struct drm_connector *connector, *tmp;
2710
2711 list_for_each_entry_safe(connector, tmp,
2712 &dev->mode_config.connector_list, head) {
2713 if (intel_attached_encoder(connector) == &intel_sdvo->base) {
2714 drm_connector_unregister(connector);
2715 intel_sdvo_destroy(connector);
2716 }
2717 }
2718 }
2719
2720 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2721 struct intel_sdvo_connector *intel_sdvo_connector,
2722 int type)
2723 {
2724 struct drm_device *dev = intel_sdvo->base.base.dev;
2725 struct intel_sdvo_tv_format format;
2726 uint32_t format_map, i;
2727
2728 if (!intel_sdvo_set_target_output(intel_sdvo, type))
2729 return false;
2730
2731 BUILD_BUG_ON(sizeof(format) != 6);
2732 if (!intel_sdvo_get_value(intel_sdvo,
2733 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2734 &format, sizeof(format)))
2735 return false;
2736
2737 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2738
2739 if (format_map == 0)
2740 return false;
2741
2742 intel_sdvo_connector->format_supported_num = 0;
2743 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2744 if (format_map & (1 << i))
2745 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2746
2747
2748 intel_sdvo_connector->tv_format =
2749 drm_property_create(dev, DRM_MODE_PROP_ENUM,
2750 "mode", intel_sdvo_connector->format_supported_num);
2751 if (!intel_sdvo_connector->tv_format)
2752 return false;
2753
2754 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2755 drm_property_add_enum(
2756 intel_sdvo_connector->tv_format, i,
2757 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2758
2759 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2760 drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2761 intel_sdvo_connector->tv_format, 0);
2762 return true;
2763
2764 }
2765
2766 #define ENHANCEMENT(name, NAME) do { \
2767 if (enhancements.name) { \
2768 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2769 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2770 return false; \
2771 intel_sdvo_connector->max_##name = data_value[0]; \
2772 intel_sdvo_connector->cur_##name = response; \
2773 intel_sdvo_connector->name = \
2774 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2775 if (!intel_sdvo_connector->name) return false; \
2776 drm_object_attach_property(&connector->base, \
2777 intel_sdvo_connector->name, \
2778 intel_sdvo_connector->cur_##name); \
2779 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2780 data_value[0], data_value[1], response); \
2781 } \
2782 } while (0)
2783
2784 static bool
2785 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2786 struct intel_sdvo_connector *intel_sdvo_connector,
2787 struct intel_sdvo_enhancements_reply enhancements)
2788 {
2789 struct drm_device *dev = intel_sdvo->base.base.dev;
2790 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2791 uint16_t response, data_value[2];
2792
2793 /* when horizontal overscan is supported, Add the left/right property */
2794 if (enhancements.overscan_h) {
2795 if (!intel_sdvo_get_value(intel_sdvo,
2796 SDVO_CMD_GET_MAX_OVERSCAN_H,
2797 &data_value, 4))
2798 return false;
2799
2800 if (!intel_sdvo_get_value(intel_sdvo,
2801 SDVO_CMD_GET_OVERSCAN_H,
2802 &response, 2))
2803 return false;
2804
2805 intel_sdvo_connector->max_hscan = data_value[0];
2806 intel_sdvo_connector->left_margin = data_value[0] - response;
2807 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2808 intel_sdvo_connector->left =
2809 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2810 if (!intel_sdvo_connector->left)
2811 return false;
2812
2813 drm_object_attach_property(&connector->base,
2814 intel_sdvo_connector->left,
2815 intel_sdvo_connector->left_margin);
2816
2817 intel_sdvo_connector->right =
2818 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2819 if (!intel_sdvo_connector->right)
2820 return false;
2821
2822 drm_object_attach_property(&connector->base,
2823 intel_sdvo_connector->right,
2824 intel_sdvo_connector->right_margin);
2825 DRM_DEBUG_KMS("h_overscan: max %d, "
2826 "default %d, current %d\n",
2827 data_value[0], data_value[1], response);
2828 }
2829
2830 if (enhancements.overscan_v) {
2831 if (!intel_sdvo_get_value(intel_sdvo,
2832 SDVO_CMD_GET_MAX_OVERSCAN_V,
2833 &data_value, 4))
2834 return false;
2835
2836 if (!intel_sdvo_get_value(intel_sdvo,
2837 SDVO_CMD_GET_OVERSCAN_V,
2838 &response, 2))
2839 return false;
2840
2841 intel_sdvo_connector->max_vscan = data_value[0];
2842 intel_sdvo_connector->top_margin = data_value[0] - response;
2843 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2844 intel_sdvo_connector->top =
2845 drm_property_create_range(dev, 0,
2846 "top_margin", 0, data_value[0]);
2847 if (!intel_sdvo_connector->top)
2848 return false;
2849
2850 drm_object_attach_property(&connector->base,
2851 intel_sdvo_connector->top,
2852 intel_sdvo_connector->top_margin);
2853
2854 intel_sdvo_connector->bottom =
2855 drm_property_create_range(dev, 0,
2856 "bottom_margin", 0, data_value[0]);
2857 if (!intel_sdvo_connector->bottom)
2858 return false;
2859
2860 drm_object_attach_property(&connector->base,
2861 intel_sdvo_connector->bottom,
2862 intel_sdvo_connector->bottom_margin);
2863 DRM_DEBUG_KMS("v_overscan: max %d, "
2864 "default %d, current %d\n",
2865 data_value[0], data_value[1], response);
2866 }
2867
2868 ENHANCEMENT(hpos, HPOS);
2869 ENHANCEMENT(vpos, VPOS);
2870 ENHANCEMENT(saturation, SATURATION);
2871 ENHANCEMENT(contrast, CONTRAST);
2872 ENHANCEMENT(hue, HUE);
2873 ENHANCEMENT(sharpness, SHARPNESS);
2874 ENHANCEMENT(brightness, BRIGHTNESS);
2875 ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2876 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2877 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2878 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2879 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2880
2881 if (enhancements.dot_crawl) {
2882 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2883 return false;
2884
2885 intel_sdvo_connector->max_dot_crawl = 1;
2886 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2887 intel_sdvo_connector->dot_crawl =
2888 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2889 if (!intel_sdvo_connector->dot_crawl)
2890 return false;
2891
2892 drm_object_attach_property(&connector->base,
2893 intel_sdvo_connector->dot_crawl,
2894 intel_sdvo_connector->cur_dot_crawl);
2895 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2896 }
2897
2898 return true;
2899 }
2900
2901 static bool
2902 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2903 struct intel_sdvo_connector *intel_sdvo_connector,
2904 struct intel_sdvo_enhancements_reply enhancements)
2905 {
2906 struct drm_device *dev = intel_sdvo->base.base.dev;
2907 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2908 uint16_t response, data_value[2];
2909
2910 ENHANCEMENT(brightness, BRIGHTNESS);
2911
2912 return true;
2913 }
2914 #undef ENHANCEMENT
2915
2916 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2917 struct intel_sdvo_connector *intel_sdvo_connector)
2918 {
2919 union {
2920 struct intel_sdvo_enhancements_reply reply;
2921 uint16_t response;
2922 } enhancements;
2923
2924 BUILD_BUG_ON(sizeof(enhancements) != 2);
2925
2926 enhancements.response = 0;
2927 intel_sdvo_get_value(intel_sdvo,
2928 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2929 &enhancements, sizeof(enhancements));
2930 if (enhancements.response == 0) {
2931 DRM_DEBUG_KMS("No enhancement is supported\n");
2932 return true;
2933 }
2934
2935 if (IS_TV(intel_sdvo_connector))
2936 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2937 else if (IS_LVDS(intel_sdvo_connector))
2938 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2939 else
2940 return true;
2941 }
2942
2943 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2944 struct i2c_msg *msgs,
2945 int num)
2946 {
2947 struct intel_sdvo *sdvo = adapter->algo_data;
2948
2949 if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2950 return -EIO;
2951
2952 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2953 }
2954
2955 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2956 {
2957 struct intel_sdvo *sdvo = adapter->algo_data;
2958 return sdvo->i2c->algo->functionality(sdvo->i2c);
2959 }
2960
2961 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2962 .master_xfer = intel_sdvo_ddc_proxy_xfer,
2963 .functionality = intel_sdvo_ddc_proxy_func
2964 };
2965
2966 static bool
2967 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2968 struct drm_device *dev)
2969 {
2970 sdvo->ddc.owner = THIS_MODULE;
2971 sdvo->ddc.class = I2C_CLASS_DDC;
2972 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2973 sdvo->ddc.dev.parent = &dev->pdev->dev;
2974 sdvo->ddc.algo_data = sdvo;
2975 sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2976
2977 return i2c_add_adapter(&sdvo->ddc) == 0;
2978 }
2979
2980 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2981 {
2982 struct drm_i915_private *dev_priv = dev->dev_private;
2983 struct intel_encoder *intel_encoder;
2984 struct intel_sdvo *intel_sdvo;
2985 int i;
2986 intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL);
2987 if (!intel_sdvo)
2988 return false;
2989
2990 intel_sdvo->sdvo_reg = sdvo_reg;
2991 intel_sdvo->is_sdvob = is_sdvob;
2992 intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2993 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2994 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
2995 goto err_i2c_bus;
2996
2997 /* encoder type will be decided later */
2998 intel_encoder = &intel_sdvo->base;
2999 intel_encoder->type = INTEL_OUTPUT_SDVO;
3000 drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
3001
3002 /* Read the regs to test if we can talk to the device */
3003 for (i = 0; i < 0x40; i++) {
3004 u8 byte;
3005
3006 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
3007 DRM_DEBUG_KMS("No SDVO device found on %s\n",
3008 SDVO_NAME(intel_sdvo));
3009 goto err;
3010 }
3011 }
3012
3013 intel_encoder->compute_config = intel_sdvo_compute_config;
3014 intel_encoder->disable = intel_disable_sdvo;
3015 intel_encoder->pre_enable = intel_sdvo_pre_enable;
3016 intel_encoder->enable = intel_enable_sdvo;
3017 intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
3018 intel_encoder->get_config = intel_sdvo_get_config;
3019
3020 /* In default case sdvo lvds is false */
3021 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
3022 goto err;
3023
3024 if (intel_sdvo_output_setup(intel_sdvo,
3025 intel_sdvo->caps.output_flags) != true) {
3026 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
3027 SDVO_NAME(intel_sdvo));
3028 /* Output_setup can leave behind connectors! */
3029 goto err_output;
3030 }
3031
3032 /* Only enable the hotplug irq if we need it, to work around noisy
3033 * hotplug lines.
3034 */
3035 if (intel_sdvo->hotplug_active) {
3036 intel_encoder->hpd_pin =
3037 intel_sdvo->is_sdvob ? HPD_SDVO_B : HPD_SDVO_C;
3038 }
3039
3040 /*
3041 * Cloning SDVO with anything is often impossible, since the SDVO
3042 * encoder can request a special input timing mode. And even if that's
3043 * not the case we have evidence that cloning a plain unscaled mode with
3044 * VGA doesn't really work. Furthermore the cloning flags are way too
3045 * simplistic anyway to express such constraints, so just give up on
3046 * cloning for SDVO encoders.
3047 */
3048 intel_sdvo->base.cloneable = 0;
3049
3050 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
3051
3052 /* Set the input timing to the screen. Assume always input 0. */
3053 if (!intel_sdvo_set_target_input(intel_sdvo))
3054 goto err_output;
3055
3056 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
3057 &intel_sdvo->pixel_clock_min,
3058 &intel_sdvo->pixel_clock_max))
3059 goto err_output;
3060
3061 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
3062 "clock range %dMHz - %dMHz, "
3063 "input 1: %c, input 2: %c, "
3064 "output 1: %c, output 2: %c\n",
3065 SDVO_NAME(intel_sdvo),
3066 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
3067 intel_sdvo->caps.device_rev_id,
3068 intel_sdvo->pixel_clock_min / 1000,
3069 intel_sdvo->pixel_clock_max / 1000,
3070 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
3071 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
3072 /* check currently supported outputs */
3073 intel_sdvo->caps.output_flags &
3074 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
3075 intel_sdvo->caps.output_flags &
3076 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
3077 return true;
3078
3079 err_output:
3080 intel_sdvo_output_cleanup(intel_sdvo);
3081
3082 err:
3083 drm_encoder_cleanup(&intel_encoder->base);
3084 i2c_del_adapter(&intel_sdvo->ddc);
3085 err_i2c_bus:
3086 intel_sdvo_unselect_i2c_bus(intel_sdvo);
3087 kfree(intel_sdvo);
3088
3089 return false;
3090 }
Linux kernel - Deliverables
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