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[mirror_ubuntu-zesty-kernel.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 "drmP.h"
33 #include "drm.h"
34 #include "drm_crtc.h"
35 #include "drm_edid.h"
36 #include "intel_drv.h"
37 #include "i915_drm.h"
38 #include "i915_drv.h"
39 #include "intel_sdvo_regs.h"
40
41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
42 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
44 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
45
46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
47 SDVO_TV_MASK)
48
49 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
50 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
51 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
53 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
54
55
56 static const char *tv_format_names[] = {
57 "NTSC_M" , "NTSC_J" , "NTSC_443",
58 "PAL_B" , "PAL_D" , "PAL_G" ,
59 "PAL_H" , "PAL_I" , "PAL_M" ,
60 "PAL_N" , "PAL_NC" , "PAL_60" ,
61 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
62 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
63 "SECAM_60"
64 };
65
66 #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
67
68 struct intel_sdvo {
69 struct intel_encoder base;
70
71 struct i2c_adapter *i2c;
72 u8 slave_addr;
73
74 struct i2c_adapter ddc;
75
76 /* Register for the SDVO device: SDVOB or SDVOC */
77 uint32_t sdvo_reg;
78
79 /* Active outputs controlled by this SDVO output */
80 uint16_t controlled_output;
81
82 /*
83 * Capabilities of the SDVO device returned by
84 * i830_sdvo_get_capabilities()
85 */
86 struct intel_sdvo_caps caps;
87
88 /* Pixel clock limitations reported by the SDVO device, in kHz */
89 int pixel_clock_min, pixel_clock_max;
90
91 /*
92 * For multiple function SDVO device,
93 * this is for current attached outputs.
94 */
95 uint16_t attached_output;
96
97 /*
98 * Hotplug activation bits for this device
99 */
100 uint8_t hotplug_active[2];
101
102 /**
103 * This is used to select the color range of RBG outputs in HDMI mode.
104 * It is only valid when using TMDS encoding and 8 bit per color mode.
105 */
106 uint32_t color_range;
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
130 /**
131 * This is set if we detect output of sdvo device as LVDS and
132 * have a valid fixed mode to use with the panel.
133 */
134 bool is_lvds;
135
136 /**
137 * This is sdvo fixed pannel mode pointer
138 */
139 struct drm_display_mode *sdvo_lvds_fixed_mode;
140
141 /* DDC bus used by this SDVO encoder */
142 uint8_t ddc_bus;
143
144 /* Input timings for adjusted_mode */
145 struct intel_sdvo_dtd input_dtd;
146 };
147
148 struct intel_sdvo_connector {
149 struct intel_connector base;
150
151 /* Mark the type of connector */
152 uint16_t output_flag;
153
154 enum hdmi_force_audio force_audio;
155
156 /* This contains all current supported TV format */
157 u8 tv_format_supported[TV_FORMAT_NUM];
158 int format_supported_num;
159 struct drm_property *tv_format;
160
161 /* add the property for the SDVO-TV */
162 struct drm_property *left;
163 struct drm_property *right;
164 struct drm_property *top;
165 struct drm_property *bottom;
166 struct drm_property *hpos;
167 struct drm_property *vpos;
168 struct drm_property *contrast;
169 struct drm_property *saturation;
170 struct drm_property *hue;
171 struct drm_property *sharpness;
172 struct drm_property *flicker_filter;
173 struct drm_property *flicker_filter_adaptive;
174 struct drm_property *flicker_filter_2d;
175 struct drm_property *tv_chroma_filter;
176 struct drm_property *tv_luma_filter;
177 struct drm_property *dot_crawl;
178
179 /* add the property for the SDVO-TV/LVDS */
180 struct drm_property *brightness;
181
182 /* Add variable to record current setting for the above property */
183 u32 left_margin, right_margin, top_margin, bottom_margin;
184
185 /* this is to get the range of margin.*/
186 u32 max_hscan, max_vscan;
187 u32 max_hpos, cur_hpos;
188 u32 max_vpos, cur_vpos;
189 u32 cur_brightness, max_brightness;
190 u32 cur_contrast, max_contrast;
191 u32 cur_saturation, max_saturation;
192 u32 cur_hue, max_hue;
193 u32 cur_sharpness, max_sharpness;
194 u32 cur_flicker_filter, max_flicker_filter;
195 u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
196 u32 cur_flicker_filter_2d, max_flicker_filter_2d;
197 u32 cur_tv_chroma_filter, max_tv_chroma_filter;
198 u32 cur_tv_luma_filter, max_tv_luma_filter;
199 u32 cur_dot_crawl, max_dot_crawl;
200 };
201
202 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
203 {
204 return container_of(encoder, struct intel_sdvo, base.base);
205 }
206
207 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
208 {
209 return container_of(intel_attached_encoder(connector),
210 struct intel_sdvo, base);
211 }
212
213 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
214 {
215 return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
216 }
217
218 static bool
219 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
220 static bool
221 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
222 struct intel_sdvo_connector *intel_sdvo_connector,
223 int type);
224 static bool
225 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
226 struct intel_sdvo_connector *intel_sdvo_connector);
227
228 /**
229 * Writes the SDVOB or SDVOC with the given value, but always writes both
230 * SDVOB and SDVOC to work around apparent hardware issues (according to
231 * comments in the BIOS).
232 */
233 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
234 {
235 struct drm_device *dev = intel_sdvo->base.base.dev;
236 struct drm_i915_private *dev_priv = dev->dev_private;
237 u32 bval = val, cval = val;
238 int i;
239
240 if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
241 I915_WRITE(intel_sdvo->sdvo_reg, val);
242 I915_READ(intel_sdvo->sdvo_reg);
243 return;
244 }
245
246 if (intel_sdvo->sdvo_reg == SDVOB) {
247 cval = I915_READ(SDVOC);
248 } else {
249 bval = I915_READ(SDVOB);
250 }
251 /*
252 * Write the registers twice for luck. Sometimes,
253 * writing them only once doesn't appear to 'stick'.
254 * The BIOS does this too. Yay, magic
255 */
256 for (i = 0; i < 2; i++)
257 {
258 I915_WRITE(SDVOB, bval);
259 I915_READ(SDVOB);
260 I915_WRITE(SDVOC, cval);
261 I915_READ(SDVOC);
262 }
263 }
264
265 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
266 {
267 struct i2c_msg msgs[] = {
268 {
269 .addr = intel_sdvo->slave_addr,
270 .flags = 0,
271 .len = 1,
272 .buf = &addr,
273 },
274 {
275 .addr = intel_sdvo->slave_addr,
276 .flags = I2C_M_RD,
277 .len = 1,
278 .buf = ch,
279 }
280 };
281 int ret;
282
283 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
284 return true;
285
286 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
287 return false;
288 }
289
290 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
291 /** Mapping of command numbers to names, for debug output */
292 static const struct _sdvo_cmd_name {
293 u8 cmd;
294 const char *name;
295 } sdvo_cmd_names[] = {
296 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
297 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
339
340 /* Add the op code for SDVO enhancements */
341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
385
386 /* HDMI op code */
387 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
388 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
398 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
399 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
400 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
401 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
402 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
403 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
404 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
405 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
406 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
407 };
408
409 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
410
411 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
412 const void *args, int args_len)
413 {
414 int i;
415
416 DRM_DEBUG_KMS("%s: W: %02X ",
417 SDVO_NAME(intel_sdvo), cmd);
418 for (i = 0; i < args_len; i++)
419 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
420 for (; i < 8; i++)
421 DRM_LOG_KMS(" ");
422 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
423 if (cmd == sdvo_cmd_names[i].cmd) {
424 DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
425 break;
426 }
427 }
428 if (i == ARRAY_SIZE(sdvo_cmd_names))
429 DRM_LOG_KMS("(%02X)", cmd);
430 DRM_LOG_KMS("\n");
431 }
432
433 static const char *cmd_status_names[] = {
434 "Power on",
435 "Success",
436 "Not supported",
437 "Invalid arg",
438 "Pending",
439 "Target not specified",
440 "Scaling not supported"
441 };
442
443 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
444 const void *args, int args_len)
445 {
446 u8 *buf, status;
447 struct i2c_msg *msgs;
448 int i, ret = true;
449
450 buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
451 if (!buf)
452 return false;
453
454 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
455 if (!msgs)
456 return false;
457
458 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
459
460 for (i = 0; i < args_len; i++) {
461 msgs[i].addr = intel_sdvo->slave_addr;
462 msgs[i].flags = 0;
463 msgs[i].len = 2;
464 msgs[i].buf = buf + 2 *i;
465 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
466 buf[2*i + 1] = ((u8*)args)[i];
467 }
468 msgs[i].addr = intel_sdvo->slave_addr;
469 msgs[i].flags = 0;
470 msgs[i].len = 2;
471 msgs[i].buf = buf + 2*i;
472 buf[2*i + 0] = SDVO_I2C_OPCODE;
473 buf[2*i + 1] = cmd;
474
475 /* the following two are to read the response */
476 status = SDVO_I2C_CMD_STATUS;
477 msgs[i+1].addr = intel_sdvo->slave_addr;
478 msgs[i+1].flags = 0;
479 msgs[i+1].len = 1;
480 msgs[i+1].buf = &status;
481
482 msgs[i+2].addr = intel_sdvo->slave_addr;
483 msgs[i+2].flags = I2C_M_RD;
484 msgs[i+2].len = 1;
485 msgs[i+2].buf = &status;
486
487 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
488 if (ret < 0) {
489 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
490 ret = false;
491 goto out;
492 }
493 if (ret != i+3) {
494 /* failure in I2C transfer */
495 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
496 ret = false;
497 }
498
499 out:
500 kfree(msgs);
501 kfree(buf);
502 return ret;
503 }
504
505 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
506 void *response, int response_len)
507 {
508 u8 retry = 5;
509 u8 status;
510 int i;
511
512 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
513
514 /*
515 * The documentation states that all commands will be
516 * processed within 15µs, and that we need only poll
517 * the status byte a maximum of 3 times in order for the
518 * command to be complete.
519 *
520 * Check 5 times in case the hardware failed to read the docs.
521 */
522 if (!intel_sdvo_read_byte(intel_sdvo,
523 SDVO_I2C_CMD_STATUS,
524 &status))
525 goto log_fail;
526
527 while (status == SDVO_CMD_STATUS_PENDING && retry--) {
528 udelay(15);
529 if (!intel_sdvo_read_byte(intel_sdvo,
530 SDVO_I2C_CMD_STATUS,
531 &status))
532 goto log_fail;
533 }
534
535 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
536 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
537 else
538 DRM_LOG_KMS("(??? %d)", status);
539
540 if (status != SDVO_CMD_STATUS_SUCCESS)
541 goto log_fail;
542
543 /* Read the command response */
544 for (i = 0; i < response_len; i++) {
545 if (!intel_sdvo_read_byte(intel_sdvo,
546 SDVO_I2C_RETURN_0 + i,
547 &((u8 *)response)[i]))
548 goto log_fail;
549 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
550 }
551 DRM_LOG_KMS("\n");
552 return true;
553
554 log_fail:
555 DRM_LOG_KMS("... failed\n");
556 return false;
557 }
558
559 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
560 {
561 if (mode->clock >= 100000)
562 return 1;
563 else if (mode->clock >= 50000)
564 return 2;
565 else
566 return 4;
567 }
568
569 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
570 u8 ddc_bus)
571 {
572 /* This must be the immediately preceding write before the i2c xfer */
573 return intel_sdvo_write_cmd(intel_sdvo,
574 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
575 &ddc_bus, 1);
576 }
577
578 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
579 {
580 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
581 return false;
582
583 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
584 }
585
586 static bool
587 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
588 {
589 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
590 return false;
591
592 return intel_sdvo_read_response(intel_sdvo, value, len);
593 }
594
595 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
596 {
597 struct intel_sdvo_set_target_input_args targets = {0};
598 return intel_sdvo_set_value(intel_sdvo,
599 SDVO_CMD_SET_TARGET_INPUT,
600 &targets, sizeof(targets));
601 }
602
603 /**
604 * Return whether each input is trained.
605 *
606 * This function is making an assumption about the layout of the response,
607 * which should be checked against the docs.
608 */
609 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
610 {
611 struct intel_sdvo_get_trained_inputs_response response;
612
613 BUILD_BUG_ON(sizeof(response) != 1);
614 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
615 &response, sizeof(response)))
616 return false;
617
618 *input_1 = response.input0_trained;
619 *input_2 = response.input1_trained;
620 return true;
621 }
622
623 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
624 u16 outputs)
625 {
626 return intel_sdvo_set_value(intel_sdvo,
627 SDVO_CMD_SET_ACTIVE_OUTPUTS,
628 &outputs, sizeof(outputs));
629 }
630
631 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
632 int mode)
633 {
634 u8 state = SDVO_ENCODER_STATE_ON;
635
636 switch (mode) {
637 case DRM_MODE_DPMS_ON:
638 state = SDVO_ENCODER_STATE_ON;
639 break;
640 case DRM_MODE_DPMS_STANDBY:
641 state = SDVO_ENCODER_STATE_STANDBY;
642 break;
643 case DRM_MODE_DPMS_SUSPEND:
644 state = SDVO_ENCODER_STATE_SUSPEND;
645 break;
646 case DRM_MODE_DPMS_OFF:
647 state = SDVO_ENCODER_STATE_OFF;
648 break;
649 }
650
651 return intel_sdvo_set_value(intel_sdvo,
652 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
653 }
654
655 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
656 int *clock_min,
657 int *clock_max)
658 {
659 struct intel_sdvo_pixel_clock_range clocks;
660
661 BUILD_BUG_ON(sizeof(clocks) != 4);
662 if (!intel_sdvo_get_value(intel_sdvo,
663 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
664 &clocks, sizeof(clocks)))
665 return false;
666
667 /* Convert the values from units of 10 kHz to kHz. */
668 *clock_min = clocks.min * 10;
669 *clock_max = clocks.max * 10;
670 return true;
671 }
672
673 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
674 u16 outputs)
675 {
676 return intel_sdvo_set_value(intel_sdvo,
677 SDVO_CMD_SET_TARGET_OUTPUT,
678 &outputs, sizeof(outputs));
679 }
680
681 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
682 struct intel_sdvo_dtd *dtd)
683 {
684 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
685 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
686 }
687
688 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
689 struct intel_sdvo_dtd *dtd)
690 {
691 return intel_sdvo_set_timing(intel_sdvo,
692 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
693 }
694
695 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
696 struct intel_sdvo_dtd *dtd)
697 {
698 return intel_sdvo_set_timing(intel_sdvo,
699 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
700 }
701
702 static bool
703 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
704 uint16_t clock,
705 uint16_t width,
706 uint16_t height)
707 {
708 struct intel_sdvo_preferred_input_timing_args args;
709
710 memset(&args, 0, sizeof(args));
711 args.clock = clock;
712 args.width = width;
713 args.height = height;
714 args.interlace = 0;
715
716 if (intel_sdvo->is_lvds &&
717 (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
718 intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
719 args.scaled = 1;
720
721 return intel_sdvo_set_value(intel_sdvo,
722 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
723 &args, sizeof(args));
724 }
725
726 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
727 struct intel_sdvo_dtd *dtd)
728 {
729 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
730 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
731 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
732 &dtd->part1, sizeof(dtd->part1)) &&
733 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
734 &dtd->part2, sizeof(dtd->part2));
735 }
736
737 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
738 {
739 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
740 }
741
742 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
743 const struct drm_display_mode *mode)
744 {
745 uint16_t width, height;
746 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
747 uint16_t h_sync_offset, v_sync_offset;
748 int mode_clock;
749
750 width = mode->hdisplay;
751 height = mode->vdisplay;
752
753 /* do some mode translations */
754 h_blank_len = mode->htotal - mode->hdisplay;
755 h_sync_len = mode->hsync_end - mode->hsync_start;
756
757 v_blank_len = mode->vtotal - mode->vdisplay;
758 v_sync_len = mode->vsync_end - mode->vsync_start;
759
760 h_sync_offset = mode->hsync_start - mode->hdisplay;
761 v_sync_offset = mode->vsync_start - mode->vdisplay;
762
763 mode_clock = mode->clock;
764 mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
765 mode_clock /= 10;
766 dtd->part1.clock = mode_clock;
767
768 dtd->part1.h_active = width & 0xff;
769 dtd->part1.h_blank = h_blank_len & 0xff;
770 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
771 ((h_blank_len >> 8) & 0xf);
772 dtd->part1.v_active = height & 0xff;
773 dtd->part1.v_blank = v_blank_len & 0xff;
774 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
775 ((v_blank_len >> 8) & 0xf);
776
777 dtd->part2.h_sync_off = h_sync_offset & 0xff;
778 dtd->part2.h_sync_width = h_sync_len & 0xff;
779 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
780 (v_sync_len & 0xf);
781 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
782 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
783 ((v_sync_len & 0x30) >> 4);
784
785 dtd->part2.dtd_flags = 0x18;
786 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
787 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
788 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
789 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
790 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
791 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
792
793 dtd->part2.sdvo_flags = 0;
794 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
795 dtd->part2.reserved = 0;
796 }
797
798 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
799 const struct intel_sdvo_dtd *dtd)
800 {
801 mode->hdisplay = dtd->part1.h_active;
802 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
803 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
804 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
805 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
806 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
807 mode->htotal = mode->hdisplay + dtd->part1.h_blank;
808 mode->htotal += (dtd->part1.h_high & 0xf) << 8;
809
810 mode->vdisplay = dtd->part1.v_active;
811 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
812 mode->vsync_start = mode->vdisplay;
813 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
814 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
815 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
816 mode->vsync_end = mode->vsync_start +
817 (dtd->part2.v_sync_off_width & 0xf);
818 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
819 mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
820 mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
821
822 mode->clock = dtd->part1.clock * 10;
823
824 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
825 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
826 mode->flags |= DRM_MODE_FLAG_INTERLACE;
827 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
828 mode->flags |= DRM_MODE_FLAG_PHSYNC;
829 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
830 mode->flags |= DRM_MODE_FLAG_PVSYNC;
831 }
832
833 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
834 {
835 struct intel_sdvo_encode encode;
836
837 BUILD_BUG_ON(sizeof(encode) != 2);
838 return intel_sdvo_get_value(intel_sdvo,
839 SDVO_CMD_GET_SUPP_ENCODE,
840 &encode, sizeof(encode));
841 }
842
843 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
844 uint8_t mode)
845 {
846 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
847 }
848
849 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
850 uint8_t mode)
851 {
852 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
853 }
854
855 #if 0
856 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
857 {
858 int i, j;
859 uint8_t set_buf_index[2];
860 uint8_t av_split;
861 uint8_t buf_size;
862 uint8_t buf[48];
863 uint8_t *pos;
864
865 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
866
867 for (i = 0; i <= av_split; i++) {
868 set_buf_index[0] = i; set_buf_index[1] = 0;
869 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
870 set_buf_index, 2);
871 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
872 intel_sdvo_read_response(encoder, &buf_size, 1);
873
874 pos = buf;
875 for (j = 0; j <= buf_size; j += 8) {
876 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
877 NULL, 0);
878 intel_sdvo_read_response(encoder, pos, 8);
879 pos += 8;
880 }
881 }
882 }
883 #endif
884
885 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
886 {
887 struct dip_infoframe avi_if = {
888 .type = DIP_TYPE_AVI,
889 .ver = DIP_VERSION_AVI,
890 .len = DIP_LEN_AVI,
891 };
892 uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
893 uint8_t set_buf_index[2] = { 1, 0 };
894 uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
895 uint64_t *data = (uint64_t *)sdvo_data;
896 unsigned i;
897
898 intel_dip_infoframe_csum(&avi_if);
899
900 /* sdvo spec says that the ecc is handled by the hw, and it looks like
901 * we must not send the ecc field, either. */
902 memcpy(sdvo_data, &avi_if, 3);
903 sdvo_data[3] = avi_if.checksum;
904 memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
905
906 if (!intel_sdvo_set_value(intel_sdvo,
907 SDVO_CMD_SET_HBUF_INDEX,
908 set_buf_index, 2))
909 return false;
910
911 for (i = 0; i < sizeof(sdvo_data); i += 8) {
912 if (!intel_sdvo_set_value(intel_sdvo,
913 SDVO_CMD_SET_HBUF_DATA,
914 data, 8))
915 return false;
916 data++;
917 }
918
919 return intel_sdvo_set_value(intel_sdvo,
920 SDVO_CMD_SET_HBUF_TXRATE,
921 &tx_rate, 1);
922 }
923
924 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
925 {
926 struct intel_sdvo_tv_format format;
927 uint32_t format_map;
928
929 format_map = 1 << intel_sdvo->tv_format_index;
930 memset(&format, 0, sizeof(format));
931 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
932
933 BUILD_BUG_ON(sizeof(format) != 6);
934 return intel_sdvo_set_value(intel_sdvo,
935 SDVO_CMD_SET_TV_FORMAT,
936 &format, sizeof(format));
937 }
938
939 static bool
940 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
941 struct drm_display_mode *mode)
942 {
943 struct intel_sdvo_dtd output_dtd;
944
945 if (!intel_sdvo_set_target_output(intel_sdvo,
946 intel_sdvo->attached_output))
947 return false;
948
949 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
950 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
951 return false;
952
953 return true;
954 }
955
956 static bool
957 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
958 struct drm_display_mode *mode,
959 struct drm_display_mode *adjusted_mode)
960 {
961 /* Reset the input timing to the screen. Assume always input 0. */
962 if (!intel_sdvo_set_target_input(intel_sdvo))
963 return false;
964
965 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
966 mode->clock / 10,
967 mode->hdisplay,
968 mode->vdisplay))
969 return false;
970
971 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
972 &intel_sdvo->input_dtd))
973 return false;
974
975 intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
976
977 return true;
978 }
979
980 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
981 struct drm_display_mode *mode,
982 struct drm_display_mode *adjusted_mode)
983 {
984 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
985 int multiplier;
986
987 /* We need to construct preferred input timings based on our
988 * output timings. To do that, we have to set the output
989 * timings, even though this isn't really the right place in
990 * the sequence to do it. Oh well.
991 */
992 if (intel_sdvo->is_tv) {
993 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
994 return false;
995
996 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
997 mode,
998 adjusted_mode);
999 } else if (intel_sdvo->is_lvds) {
1000 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1001 intel_sdvo->sdvo_lvds_fixed_mode))
1002 return false;
1003
1004 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
1005 mode,
1006 adjusted_mode);
1007 }
1008
1009 /* Make the CRTC code factor in the SDVO pixel multiplier. The
1010 * SDVO device will factor out the multiplier during mode_set.
1011 */
1012 multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1013 intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1014
1015 return true;
1016 }
1017
1018 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1019 struct drm_display_mode *mode,
1020 struct drm_display_mode *adjusted_mode)
1021 {
1022 struct drm_device *dev = encoder->dev;
1023 struct drm_i915_private *dev_priv = dev->dev_private;
1024 struct drm_crtc *crtc = encoder->crtc;
1025 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1026 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1027 u32 sdvox;
1028 struct intel_sdvo_in_out_map in_out;
1029 struct intel_sdvo_dtd input_dtd, output_dtd;
1030 int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1031 int rate;
1032
1033 if (!mode)
1034 return;
1035
1036 /* First, set the input mapping for the first input to our controlled
1037 * output. This is only correct if we're a single-input device, in
1038 * which case the first input is the output from the appropriate SDVO
1039 * channel on the motherboard. In a two-input device, the first input
1040 * will be SDVOB and the second SDVOC.
1041 */
1042 in_out.in0 = intel_sdvo->attached_output;
1043 in_out.in1 = 0;
1044
1045 intel_sdvo_set_value(intel_sdvo,
1046 SDVO_CMD_SET_IN_OUT_MAP,
1047 &in_out, sizeof(in_out));
1048
1049 /* Set the output timings to the screen */
1050 if (!intel_sdvo_set_target_output(intel_sdvo,
1051 intel_sdvo->attached_output))
1052 return;
1053
1054 /* lvds has a special fixed output timing. */
1055 if (intel_sdvo->is_lvds)
1056 intel_sdvo_get_dtd_from_mode(&output_dtd,
1057 intel_sdvo->sdvo_lvds_fixed_mode);
1058 else
1059 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1060 (void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
1061
1062 /* Set the input timing to the screen. Assume always input 0. */
1063 if (!intel_sdvo_set_target_input(intel_sdvo))
1064 return;
1065
1066 if (intel_sdvo->has_hdmi_monitor) {
1067 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1068 intel_sdvo_set_colorimetry(intel_sdvo,
1069 SDVO_COLORIMETRY_RGB256);
1070 intel_sdvo_set_avi_infoframe(intel_sdvo);
1071 } else
1072 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1073
1074 if (intel_sdvo->is_tv &&
1075 !intel_sdvo_set_tv_format(intel_sdvo))
1076 return;
1077
1078 /* We have tried to get input timing in mode_fixup, and filled into
1079 * adjusted_mode.
1080 */
1081 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1082 (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1083
1084 switch (pixel_multiplier) {
1085 default:
1086 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1087 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1088 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1089 }
1090 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1091 return;
1092
1093 /* Set the SDVO control regs. */
1094 if (INTEL_INFO(dev)->gen >= 4) {
1095 /* The real mode polarity is set by the SDVO commands, using
1096 * struct intel_sdvo_dtd. */
1097 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1098 if (intel_sdvo->is_hdmi)
1099 sdvox |= intel_sdvo->color_range;
1100 if (INTEL_INFO(dev)->gen < 5)
1101 sdvox |= SDVO_BORDER_ENABLE;
1102 } else {
1103 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1104 switch (intel_sdvo->sdvo_reg) {
1105 case SDVOB:
1106 sdvox &= SDVOB_PRESERVE_MASK;
1107 break;
1108 case SDVOC:
1109 sdvox &= SDVOC_PRESERVE_MASK;
1110 break;
1111 }
1112 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1113 }
1114
1115 if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1116 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1117 else
1118 sdvox |= TRANSCODER(intel_crtc->pipe);
1119
1120 if (intel_sdvo->has_hdmi_audio)
1121 sdvox |= SDVO_AUDIO_ENABLE;
1122
1123 if (INTEL_INFO(dev)->gen >= 4) {
1124 /* done in crtc_mode_set as the dpll_md reg must be written early */
1125 } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1126 /* done in crtc_mode_set as it lives inside the dpll register */
1127 } else {
1128 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1129 }
1130
1131 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1132 INTEL_INFO(dev)->gen < 5)
1133 sdvox |= SDVO_STALL_SELECT;
1134 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1135 }
1136
1137 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1138 {
1139 struct drm_device *dev = encoder->dev;
1140 struct drm_i915_private *dev_priv = dev->dev_private;
1141 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1142 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1143 u32 temp;
1144
1145 if (mode != DRM_MODE_DPMS_ON) {
1146 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1147 if (0)
1148 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1149
1150 if (mode == DRM_MODE_DPMS_OFF) {
1151 temp = I915_READ(intel_sdvo->sdvo_reg);
1152 if ((temp & SDVO_ENABLE) != 0) {
1153 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1154 }
1155 }
1156 } else {
1157 bool input1, input2;
1158 int i;
1159 u8 status;
1160
1161 temp = I915_READ(intel_sdvo->sdvo_reg);
1162 if ((temp & SDVO_ENABLE) == 0)
1163 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1164 for (i = 0; i < 2; i++)
1165 intel_wait_for_vblank(dev, intel_crtc->pipe);
1166
1167 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1168 /* Warn if the device reported failure to sync.
1169 * A lot of SDVO devices fail to notify of sync, but it's
1170 * a given it the status is a success, we succeeded.
1171 */
1172 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1173 DRM_DEBUG_KMS("First %s output reported failure to "
1174 "sync\n", SDVO_NAME(intel_sdvo));
1175 }
1176
1177 if (0)
1178 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1179 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1180 }
1181 return;
1182 }
1183
1184 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1185 struct drm_display_mode *mode)
1186 {
1187 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1188
1189 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1190 return MODE_NO_DBLESCAN;
1191
1192 if (intel_sdvo->pixel_clock_min > mode->clock)
1193 return MODE_CLOCK_LOW;
1194
1195 if (intel_sdvo->pixel_clock_max < mode->clock)
1196 return MODE_CLOCK_HIGH;
1197
1198 if (intel_sdvo->is_lvds) {
1199 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1200 return MODE_PANEL;
1201
1202 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1203 return MODE_PANEL;
1204 }
1205
1206 return MODE_OK;
1207 }
1208
1209 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1210 {
1211 BUILD_BUG_ON(sizeof(*caps) != 8);
1212 if (!intel_sdvo_get_value(intel_sdvo,
1213 SDVO_CMD_GET_DEVICE_CAPS,
1214 caps, sizeof(*caps)))
1215 return false;
1216
1217 DRM_DEBUG_KMS("SDVO capabilities:\n"
1218 " vendor_id: %d\n"
1219 " device_id: %d\n"
1220 " device_rev_id: %d\n"
1221 " sdvo_version_major: %d\n"
1222 " sdvo_version_minor: %d\n"
1223 " sdvo_inputs_mask: %d\n"
1224 " smooth_scaling: %d\n"
1225 " sharp_scaling: %d\n"
1226 " up_scaling: %d\n"
1227 " down_scaling: %d\n"
1228 " stall_support: %d\n"
1229 " output_flags: %d\n",
1230 caps->vendor_id,
1231 caps->device_id,
1232 caps->device_rev_id,
1233 caps->sdvo_version_major,
1234 caps->sdvo_version_minor,
1235 caps->sdvo_inputs_mask,
1236 caps->smooth_scaling,
1237 caps->sharp_scaling,
1238 caps->up_scaling,
1239 caps->down_scaling,
1240 caps->stall_support,
1241 caps->output_flags);
1242
1243 return true;
1244 }
1245
1246 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1247 {
1248 struct drm_device *dev = intel_sdvo->base.base.dev;
1249 u8 response[2];
1250
1251 /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1252 * on the line. */
1253 if (IS_I945G(dev) || IS_I945GM(dev))
1254 return false;
1255
1256 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1257 &response, 2) && response[0];
1258 }
1259
1260 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1261 {
1262 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1263
1264 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1265 }
1266
1267 static bool
1268 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1269 {
1270 /* Is there more than one type of output? */
1271 return hweight16(intel_sdvo->caps.output_flags) > 1;
1272 }
1273
1274 static struct edid *
1275 intel_sdvo_get_edid(struct drm_connector *connector)
1276 {
1277 struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1278 return drm_get_edid(connector, &sdvo->ddc);
1279 }
1280
1281 /* Mac mini hack -- use the same DDC as the analog connector */
1282 static struct edid *
1283 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1284 {
1285 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1286
1287 return drm_get_edid(connector,
1288 intel_gmbus_get_adapter(dev_priv,
1289 dev_priv->crt_ddc_pin));
1290 }
1291
1292 static enum drm_connector_status
1293 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1294 {
1295 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1296 enum drm_connector_status status;
1297 struct edid *edid;
1298
1299 edid = intel_sdvo_get_edid(connector);
1300
1301 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1302 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1303
1304 /*
1305 * Don't use the 1 as the argument of DDC bus switch to get
1306 * the EDID. It is used for SDVO SPD ROM.
1307 */
1308 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1309 intel_sdvo->ddc_bus = ddc;
1310 edid = intel_sdvo_get_edid(connector);
1311 if (edid)
1312 break;
1313 }
1314 /*
1315 * If we found the EDID on the other bus,
1316 * assume that is the correct DDC bus.
1317 */
1318 if (edid == NULL)
1319 intel_sdvo->ddc_bus = saved_ddc;
1320 }
1321
1322 /*
1323 * When there is no edid and no monitor is connected with VGA
1324 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1325 */
1326 if (edid == NULL)
1327 edid = intel_sdvo_get_analog_edid(connector);
1328
1329 status = connector_status_unknown;
1330 if (edid != NULL) {
1331 /* DDC bus is shared, match EDID to connector type */
1332 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1333 status = connector_status_connected;
1334 if (intel_sdvo->is_hdmi) {
1335 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1336 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1337 }
1338 } else
1339 status = connector_status_disconnected;
1340 connector->display_info.raw_edid = NULL;
1341 kfree(edid);
1342 }
1343
1344 if (status == connector_status_connected) {
1345 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1346 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1347 intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1348 }
1349
1350 return status;
1351 }
1352
1353 static bool
1354 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1355 struct edid *edid)
1356 {
1357 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1358 bool connector_is_digital = !!IS_DIGITAL(sdvo);
1359
1360 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1361 connector_is_digital, monitor_is_digital);
1362 return connector_is_digital == monitor_is_digital;
1363 }
1364
1365 static enum drm_connector_status
1366 intel_sdvo_detect(struct drm_connector *connector, bool force)
1367 {
1368 uint16_t response;
1369 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1370 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1371 enum drm_connector_status ret;
1372
1373 if (!intel_sdvo_write_cmd(intel_sdvo,
1374 SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1375 return connector_status_unknown;
1376
1377 /* add 30ms delay when the output type might be TV */
1378 if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1379 mdelay(30);
1380
1381 if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1382 return connector_status_unknown;
1383
1384 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1385 response & 0xff, response >> 8,
1386 intel_sdvo_connector->output_flag);
1387
1388 if (response == 0)
1389 return connector_status_disconnected;
1390
1391 intel_sdvo->attached_output = response;
1392
1393 intel_sdvo->has_hdmi_monitor = false;
1394 intel_sdvo->has_hdmi_audio = false;
1395
1396 if ((intel_sdvo_connector->output_flag & response) == 0)
1397 ret = connector_status_disconnected;
1398 else if (IS_TMDS(intel_sdvo_connector))
1399 ret = intel_sdvo_tmds_sink_detect(connector);
1400 else {
1401 struct edid *edid;
1402
1403 /* if we have an edid check it matches the connection */
1404 edid = intel_sdvo_get_edid(connector);
1405 if (edid == NULL)
1406 edid = intel_sdvo_get_analog_edid(connector);
1407 if (edid != NULL) {
1408 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1409 edid))
1410 ret = connector_status_connected;
1411 else
1412 ret = connector_status_disconnected;
1413
1414 connector->display_info.raw_edid = NULL;
1415 kfree(edid);
1416 } else
1417 ret = connector_status_connected;
1418 }
1419
1420 /* May update encoder flag for like clock for SDVO TV, etc.*/
1421 if (ret == connector_status_connected) {
1422 intel_sdvo->is_tv = false;
1423 intel_sdvo->is_lvds = false;
1424 intel_sdvo->base.needs_tv_clock = false;
1425
1426 if (response & SDVO_TV_MASK) {
1427 intel_sdvo->is_tv = true;
1428 intel_sdvo->base.needs_tv_clock = true;
1429 }
1430 if (response & SDVO_LVDS_MASK)
1431 intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1432 }
1433
1434 return ret;
1435 }
1436
1437 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1438 {
1439 struct edid *edid;
1440
1441 /* set the bus switch and get the modes */
1442 edid = intel_sdvo_get_edid(connector);
1443
1444 /*
1445 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1446 * link between analog and digital outputs. So, if the regular SDVO
1447 * DDC fails, check to see if the analog output is disconnected, in
1448 * which case we'll look there for the digital DDC data.
1449 */
1450 if (edid == NULL)
1451 edid = intel_sdvo_get_analog_edid(connector);
1452
1453 if (edid != NULL) {
1454 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1455 edid)) {
1456 drm_mode_connector_update_edid_property(connector, edid);
1457 drm_add_edid_modes(connector, edid);
1458 }
1459
1460 connector->display_info.raw_edid = NULL;
1461 kfree(edid);
1462 }
1463 }
1464
1465 /*
1466 * Set of SDVO TV modes.
1467 * Note! This is in reply order (see loop in get_tv_modes).
1468 * XXX: all 60Hz refresh?
1469 */
1470 static const struct drm_display_mode sdvo_tv_modes[] = {
1471 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1472 416, 0, 200, 201, 232, 233, 0,
1473 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1474 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1475 416, 0, 240, 241, 272, 273, 0,
1476 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1477 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1478 496, 0, 300, 301, 332, 333, 0,
1479 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1480 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1481 736, 0, 350, 351, 382, 383, 0,
1482 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1483 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1484 736, 0, 400, 401, 432, 433, 0,
1485 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1486 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1487 736, 0, 480, 481, 512, 513, 0,
1488 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1489 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1490 800, 0, 480, 481, 512, 513, 0,
1491 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1492 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1493 800, 0, 576, 577, 608, 609, 0,
1494 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1495 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1496 816, 0, 350, 351, 382, 383, 0,
1497 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1498 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1499 816, 0, 400, 401, 432, 433, 0,
1500 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1501 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1502 816, 0, 480, 481, 512, 513, 0,
1503 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1504 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1505 816, 0, 540, 541, 572, 573, 0,
1506 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1507 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1508 816, 0, 576, 577, 608, 609, 0,
1509 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1510 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1511 864, 0, 576, 577, 608, 609, 0,
1512 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1513 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1514 896, 0, 600, 601, 632, 633, 0,
1515 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1516 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1517 928, 0, 624, 625, 656, 657, 0,
1518 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1519 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1520 1016, 0, 766, 767, 798, 799, 0,
1521 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1522 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1523 1120, 0, 768, 769, 800, 801, 0,
1524 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1525 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1526 1376, 0, 1024, 1025, 1056, 1057, 0,
1527 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1528 };
1529
1530 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1531 {
1532 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1533 struct intel_sdvo_sdtv_resolution_request tv_res;
1534 uint32_t reply = 0, format_map = 0;
1535 int i;
1536
1537 /* Read the list of supported input resolutions for the selected TV
1538 * format.
1539 */
1540 format_map = 1 << intel_sdvo->tv_format_index;
1541 memcpy(&tv_res, &format_map,
1542 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1543
1544 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1545 return;
1546
1547 BUILD_BUG_ON(sizeof(tv_res) != 3);
1548 if (!intel_sdvo_write_cmd(intel_sdvo,
1549 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1550 &tv_res, sizeof(tv_res)))
1551 return;
1552 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1553 return;
1554
1555 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1556 if (reply & (1 << i)) {
1557 struct drm_display_mode *nmode;
1558 nmode = drm_mode_duplicate(connector->dev,
1559 &sdvo_tv_modes[i]);
1560 if (nmode)
1561 drm_mode_probed_add(connector, nmode);
1562 }
1563 }
1564
1565 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1566 {
1567 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1568 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1569 struct drm_display_mode *newmode;
1570
1571 /*
1572 * Attempt to get the mode list from DDC.
1573 * Assume that the preferred modes are
1574 * arranged in priority order.
1575 */
1576 intel_ddc_get_modes(connector, intel_sdvo->i2c);
1577 if (list_empty(&connector->probed_modes) == false)
1578 goto end;
1579
1580 /* Fetch modes from VBT */
1581 if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1582 newmode = drm_mode_duplicate(connector->dev,
1583 dev_priv->sdvo_lvds_vbt_mode);
1584 if (newmode != NULL) {
1585 /* Guarantee the mode is preferred */
1586 newmode->type = (DRM_MODE_TYPE_PREFERRED |
1587 DRM_MODE_TYPE_DRIVER);
1588 drm_mode_probed_add(connector, newmode);
1589 }
1590 }
1591
1592 end:
1593 list_for_each_entry(newmode, &connector->probed_modes, head) {
1594 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1595 intel_sdvo->sdvo_lvds_fixed_mode =
1596 drm_mode_duplicate(connector->dev, newmode);
1597
1598 intel_sdvo->is_lvds = true;
1599 break;
1600 }
1601 }
1602
1603 }
1604
1605 static int intel_sdvo_get_modes(struct drm_connector *connector)
1606 {
1607 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1608
1609 if (IS_TV(intel_sdvo_connector))
1610 intel_sdvo_get_tv_modes(connector);
1611 else if (IS_LVDS(intel_sdvo_connector))
1612 intel_sdvo_get_lvds_modes(connector);
1613 else
1614 intel_sdvo_get_ddc_modes(connector);
1615
1616 return !list_empty(&connector->probed_modes);
1617 }
1618
1619 static void
1620 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1621 {
1622 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1623 struct drm_device *dev = connector->dev;
1624
1625 if (intel_sdvo_connector->left)
1626 drm_property_destroy(dev, intel_sdvo_connector->left);
1627 if (intel_sdvo_connector->right)
1628 drm_property_destroy(dev, intel_sdvo_connector->right);
1629 if (intel_sdvo_connector->top)
1630 drm_property_destroy(dev, intel_sdvo_connector->top);
1631 if (intel_sdvo_connector->bottom)
1632 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1633 if (intel_sdvo_connector->hpos)
1634 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1635 if (intel_sdvo_connector->vpos)
1636 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1637 if (intel_sdvo_connector->saturation)
1638 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1639 if (intel_sdvo_connector->contrast)
1640 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1641 if (intel_sdvo_connector->hue)
1642 drm_property_destroy(dev, intel_sdvo_connector->hue);
1643 if (intel_sdvo_connector->sharpness)
1644 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1645 if (intel_sdvo_connector->flicker_filter)
1646 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1647 if (intel_sdvo_connector->flicker_filter_2d)
1648 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1649 if (intel_sdvo_connector->flicker_filter_adaptive)
1650 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1651 if (intel_sdvo_connector->tv_luma_filter)
1652 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1653 if (intel_sdvo_connector->tv_chroma_filter)
1654 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1655 if (intel_sdvo_connector->dot_crawl)
1656 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1657 if (intel_sdvo_connector->brightness)
1658 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1659 }
1660
1661 static void intel_sdvo_destroy(struct drm_connector *connector)
1662 {
1663 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1664
1665 if (intel_sdvo_connector->tv_format)
1666 drm_property_destroy(connector->dev,
1667 intel_sdvo_connector->tv_format);
1668
1669 intel_sdvo_destroy_enhance_property(connector);
1670 drm_sysfs_connector_remove(connector);
1671 drm_connector_cleanup(connector);
1672 kfree(connector);
1673 }
1674
1675 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1676 {
1677 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1678 struct edid *edid;
1679 bool has_audio = false;
1680
1681 if (!intel_sdvo->is_hdmi)
1682 return false;
1683
1684 edid = intel_sdvo_get_edid(connector);
1685 if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1686 has_audio = drm_detect_monitor_audio(edid);
1687
1688 return has_audio;
1689 }
1690
1691 static int
1692 intel_sdvo_set_property(struct drm_connector *connector,
1693 struct drm_property *property,
1694 uint64_t val)
1695 {
1696 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1697 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1698 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1699 uint16_t temp_value;
1700 uint8_t cmd;
1701 int ret;
1702
1703 ret = drm_connector_property_set_value(connector, property, val);
1704 if (ret)
1705 return ret;
1706
1707 if (property == dev_priv->force_audio_property) {
1708 int i = val;
1709 bool has_audio;
1710
1711 if (i == intel_sdvo_connector->force_audio)
1712 return 0;
1713
1714 intel_sdvo_connector->force_audio = i;
1715
1716 if (i == HDMI_AUDIO_AUTO)
1717 has_audio = intel_sdvo_detect_hdmi_audio(connector);
1718 else
1719 has_audio = (i == HDMI_AUDIO_ON);
1720
1721 if (has_audio == intel_sdvo->has_hdmi_audio)
1722 return 0;
1723
1724 intel_sdvo->has_hdmi_audio = has_audio;
1725 goto done;
1726 }
1727
1728 if (property == dev_priv->broadcast_rgb_property) {
1729 if (val == !!intel_sdvo->color_range)
1730 return 0;
1731
1732 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1733 goto done;
1734 }
1735
1736 #define CHECK_PROPERTY(name, NAME) \
1737 if (intel_sdvo_connector->name == property) { \
1738 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1739 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1740 cmd = SDVO_CMD_SET_##NAME; \
1741 intel_sdvo_connector->cur_##name = temp_value; \
1742 goto set_value; \
1743 }
1744
1745 if (property == intel_sdvo_connector->tv_format) {
1746 if (val >= TV_FORMAT_NUM)
1747 return -EINVAL;
1748
1749 if (intel_sdvo->tv_format_index ==
1750 intel_sdvo_connector->tv_format_supported[val])
1751 return 0;
1752
1753 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1754 goto done;
1755 } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1756 temp_value = val;
1757 if (intel_sdvo_connector->left == property) {
1758 drm_connector_property_set_value(connector,
1759 intel_sdvo_connector->right, val);
1760 if (intel_sdvo_connector->left_margin == temp_value)
1761 return 0;
1762
1763 intel_sdvo_connector->left_margin = temp_value;
1764 intel_sdvo_connector->right_margin = temp_value;
1765 temp_value = intel_sdvo_connector->max_hscan -
1766 intel_sdvo_connector->left_margin;
1767 cmd = SDVO_CMD_SET_OVERSCAN_H;
1768 goto set_value;
1769 } else if (intel_sdvo_connector->right == property) {
1770 drm_connector_property_set_value(connector,
1771 intel_sdvo_connector->left, val);
1772 if (intel_sdvo_connector->right_margin == temp_value)
1773 return 0;
1774
1775 intel_sdvo_connector->left_margin = temp_value;
1776 intel_sdvo_connector->right_margin = temp_value;
1777 temp_value = intel_sdvo_connector->max_hscan -
1778 intel_sdvo_connector->left_margin;
1779 cmd = SDVO_CMD_SET_OVERSCAN_H;
1780 goto set_value;
1781 } else if (intel_sdvo_connector->top == property) {
1782 drm_connector_property_set_value(connector,
1783 intel_sdvo_connector->bottom, val);
1784 if (intel_sdvo_connector->top_margin == temp_value)
1785 return 0;
1786
1787 intel_sdvo_connector->top_margin = temp_value;
1788 intel_sdvo_connector->bottom_margin = temp_value;
1789 temp_value = intel_sdvo_connector->max_vscan -
1790 intel_sdvo_connector->top_margin;
1791 cmd = SDVO_CMD_SET_OVERSCAN_V;
1792 goto set_value;
1793 } else if (intel_sdvo_connector->bottom == property) {
1794 drm_connector_property_set_value(connector,
1795 intel_sdvo_connector->top, val);
1796 if (intel_sdvo_connector->bottom_margin == temp_value)
1797 return 0;
1798
1799 intel_sdvo_connector->top_margin = temp_value;
1800 intel_sdvo_connector->bottom_margin = temp_value;
1801 temp_value = intel_sdvo_connector->max_vscan -
1802 intel_sdvo_connector->top_margin;
1803 cmd = SDVO_CMD_SET_OVERSCAN_V;
1804 goto set_value;
1805 }
1806 CHECK_PROPERTY(hpos, HPOS)
1807 CHECK_PROPERTY(vpos, VPOS)
1808 CHECK_PROPERTY(saturation, SATURATION)
1809 CHECK_PROPERTY(contrast, CONTRAST)
1810 CHECK_PROPERTY(hue, HUE)
1811 CHECK_PROPERTY(brightness, BRIGHTNESS)
1812 CHECK_PROPERTY(sharpness, SHARPNESS)
1813 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1814 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1815 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1816 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1817 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1818 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1819 }
1820
1821 return -EINVAL; /* unknown property */
1822
1823 set_value:
1824 if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1825 return -EIO;
1826
1827
1828 done:
1829 if (intel_sdvo->base.base.crtc) {
1830 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1831 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1832 crtc->y, crtc->fb);
1833 }
1834
1835 return 0;
1836 #undef CHECK_PROPERTY
1837 }
1838
1839 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1840 .dpms = intel_sdvo_dpms,
1841 .mode_fixup = intel_sdvo_mode_fixup,
1842 .prepare = intel_encoder_prepare,
1843 .mode_set = intel_sdvo_mode_set,
1844 .commit = intel_encoder_commit,
1845 };
1846
1847 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1848 .dpms = drm_helper_connector_dpms,
1849 .detect = intel_sdvo_detect,
1850 .fill_modes = drm_helper_probe_single_connector_modes,
1851 .set_property = intel_sdvo_set_property,
1852 .destroy = intel_sdvo_destroy,
1853 };
1854
1855 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1856 .get_modes = intel_sdvo_get_modes,
1857 .mode_valid = intel_sdvo_mode_valid,
1858 .best_encoder = intel_best_encoder,
1859 };
1860
1861 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1862 {
1863 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1864
1865 if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1866 drm_mode_destroy(encoder->dev,
1867 intel_sdvo->sdvo_lvds_fixed_mode);
1868
1869 i2c_del_adapter(&intel_sdvo->ddc);
1870 intel_encoder_destroy(encoder);
1871 }
1872
1873 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1874 .destroy = intel_sdvo_enc_destroy,
1875 };
1876
1877 static void
1878 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1879 {
1880 uint16_t mask = 0;
1881 unsigned int num_bits;
1882
1883 /* Make a mask of outputs less than or equal to our own priority in the
1884 * list.
1885 */
1886 switch (sdvo->controlled_output) {
1887 case SDVO_OUTPUT_LVDS1:
1888 mask |= SDVO_OUTPUT_LVDS1;
1889 case SDVO_OUTPUT_LVDS0:
1890 mask |= SDVO_OUTPUT_LVDS0;
1891 case SDVO_OUTPUT_TMDS1:
1892 mask |= SDVO_OUTPUT_TMDS1;
1893 case SDVO_OUTPUT_TMDS0:
1894 mask |= SDVO_OUTPUT_TMDS0;
1895 case SDVO_OUTPUT_RGB1:
1896 mask |= SDVO_OUTPUT_RGB1;
1897 case SDVO_OUTPUT_RGB0:
1898 mask |= SDVO_OUTPUT_RGB0;
1899 break;
1900 }
1901
1902 /* Count bits to find what number we are in the priority list. */
1903 mask &= sdvo->caps.output_flags;
1904 num_bits = hweight16(mask);
1905 /* If more than 3 outputs, default to DDC bus 3 for now. */
1906 if (num_bits > 3)
1907 num_bits = 3;
1908
1909 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1910 sdvo->ddc_bus = 1 << num_bits;
1911 }
1912
1913 /**
1914 * Choose the appropriate DDC bus for control bus switch command for this
1915 * SDVO output based on the controlled output.
1916 *
1917 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1918 * outputs, then LVDS outputs.
1919 */
1920 static void
1921 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1922 struct intel_sdvo *sdvo, u32 reg)
1923 {
1924 struct sdvo_device_mapping *mapping;
1925
1926 if (sdvo->is_sdvob)
1927 mapping = &(dev_priv->sdvo_mappings[0]);
1928 else
1929 mapping = &(dev_priv->sdvo_mappings[1]);
1930
1931 if (mapping->initialized)
1932 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1933 else
1934 intel_sdvo_guess_ddc_bus(sdvo);
1935 }
1936
1937 static void
1938 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1939 struct intel_sdvo *sdvo, u32 reg)
1940 {
1941 struct sdvo_device_mapping *mapping;
1942 u8 pin;
1943
1944 if (sdvo->is_sdvob)
1945 mapping = &dev_priv->sdvo_mappings[0];
1946 else
1947 mapping = &dev_priv->sdvo_mappings[1];
1948
1949 pin = GMBUS_PORT_DPB;
1950 if (mapping->initialized)
1951 pin = mapping->i2c_pin;
1952
1953 if (intel_gmbus_is_port_valid(pin)) {
1954 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
1955 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1956 intel_gmbus_force_bit(sdvo->i2c, true);
1957 } else {
1958 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
1959 }
1960 }
1961
1962 static bool
1963 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1964 {
1965 return intel_sdvo_check_supp_encode(intel_sdvo);
1966 }
1967
1968 static u8
1969 intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
1970 {
1971 struct drm_i915_private *dev_priv = dev->dev_private;
1972 struct sdvo_device_mapping *my_mapping, *other_mapping;
1973
1974 if (sdvo->is_sdvob) {
1975 my_mapping = &dev_priv->sdvo_mappings[0];
1976 other_mapping = &dev_priv->sdvo_mappings[1];
1977 } else {
1978 my_mapping = &dev_priv->sdvo_mappings[1];
1979 other_mapping = &dev_priv->sdvo_mappings[0];
1980 }
1981
1982 /* If the BIOS described our SDVO device, take advantage of it. */
1983 if (my_mapping->slave_addr)
1984 return my_mapping->slave_addr;
1985
1986 /* If the BIOS only described a different SDVO device, use the
1987 * address that it isn't using.
1988 */
1989 if (other_mapping->slave_addr) {
1990 if (other_mapping->slave_addr == 0x70)
1991 return 0x72;
1992 else
1993 return 0x70;
1994 }
1995
1996 /* No SDVO device info is found for another DVO port,
1997 * so use mapping assumption we had before BIOS parsing.
1998 */
1999 if (sdvo->is_sdvob)
2000 return 0x70;
2001 else
2002 return 0x72;
2003 }
2004
2005 static void
2006 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2007 struct intel_sdvo *encoder)
2008 {
2009 drm_connector_init(encoder->base.base.dev,
2010 &connector->base.base,
2011 &intel_sdvo_connector_funcs,
2012 connector->base.base.connector_type);
2013
2014 drm_connector_helper_add(&connector->base.base,
2015 &intel_sdvo_connector_helper_funcs);
2016
2017 connector->base.base.interlace_allowed = 1;
2018 connector->base.base.doublescan_allowed = 0;
2019 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2020
2021 intel_connector_attach_encoder(&connector->base, &encoder->base);
2022 drm_sysfs_connector_add(&connector->base.base);
2023 }
2024
2025 static void
2026 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2027 {
2028 struct drm_device *dev = connector->base.base.dev;
2029
2030 intel_attach_force_audio_property(&connector->base.base);
2031 if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2032 intel_attach_broadcast_rgb_property(&connector->base.base);
2033 }
2034
2035 static bool
2036 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2037 {
2038 struct drm_encoder *encoder = &intel_sdvo->base.base;
2039 struct drm_connector *connector;
2040 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2041 struct intel_connector *intel_connector;
2042 struct intel_sdvo_connector *intel_sdvo_connector;
2043
2044 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2045 if (!intel_sdvo_connector)
2046 return false;
2047
2048 if (device == 0) {
2049 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2050 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2051 } else if (device == 1) {
2052 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2053 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2054 }
2055
2056 intel_connector = &intel_sdvo_connector->base;
2057 connector = &intel_connector->base;
2058 if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2059 connector->polled = DRM_CONNECTOR_POLL_HPD;
2060 intel_sdvo->hotplug_active[0] |= 1 << device;
2061 /* Some SDVO devices have one-shot hotplug interrupts.
2062 * Ensure that they get re-enabled when an interrupt happens.
2063 */
2064 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2065 intel_sdvo_enable_hotplug(intel_encoder);
2066 }
2067 else
2068 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2069 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2070 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2071
2072 if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2073 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2074 intel_sdvo->is_hdmi = true;
2075 }
2076 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2077 (1 << INTEL_ANALOG_CLONE_BIT));
2078
2079 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2080 if (intel_sdvo->is_hdmi)
2081 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2082
2083 return true;
2084 }
2085
2086 static bool
2087 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2088 {
2089 struct drm_encoder *encoder = &intel_sdvo->base.base;
2090 struct drm_connector *connector;
2091 struct intel_connector *intel_connector;
2092 struct intel_sdvo_connector *intel_sdvo_connector;
2093
2094 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2095 if (!intel_sdvo_connector)
2096 return false;
2097
2098 intel_connector = &intel_sdvo_connector->base;
2099 connector = &intel_connector->base;
2100 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2101 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2102
2103 intel_sdvo->controlled_output |= type;
2104 intel_sdvo_connector->output_flag = type;
2105
2106 intel_sdvo->is_tv = true;
2107 intel_sdvo->base.needs_tv_clock = true;
2108 intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2109
2110 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2111
2112 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2113 goto err;
2114
2115 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2116 goto err;
2117
2118 return true;
2119
2120 err:
2121 intel_sdvo_destroy(connector);
2122 return false;
2123 }
2124
2125 static bool
2126 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2127 {
2128 struct drm_encoder *encoder = &intel_sdvo->base.base;
2129 struct drm_connector *connector;
2130 struct intel_connector *intel_connector;
2131 struct intel_sdvo_connector *intel_sdvo_connector;
2132
2133 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2134 if (!intel_sdvo_connector)
2135 return false;
2136
2137 intel_connector = &intel_sdvo_connector->base;
2138 connector = &intel_connector->base;
2139 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2140 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2141 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2142
2143 if (device == 0) {
2144 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2145 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2146 } else if (device == 1) {
2147 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2148 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2149 }
2150
2151 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2152 (1 << INTEL_ANALOG_CLONE_BIT));
2153
2154 intel_sdvo_connector_init(intel_sdvo_connector,
2155 intel_sdvo);
2156 return true;
2157 }
2158
2159 static bool
2160 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2161 {
2162 struct drm_encoder *encoder = &intel_sdvo->base.base;
2163 struct drm_connector *connector;
2164 struct intel_connector *intel_connector;
2165 struct intel_sdvo_connector *intel_sdvo_connector;
2166
2167 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2168 if (!intel_sdvo_connector)
2169 return false;
2170
2171 intel_connector = &intel_sdvo_connector->base;
2172 connector = &intel_connector->base;
2173 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2174 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2175
2176 if (device == 0) {
2177 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2178 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2179 } else if (device == 1) {
2180 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2181 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2182 }
2183
2184 intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2185 (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2186
2187 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2188 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2189 goto err;
2190
2191 return true;
2192
2193 err:
2194 intel_sdvo_destroy(connector);
2195 return false;
2196 }
2197
2198 static bool
2199 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2200 {
2201 intel_sdvo->is_tv = false;
2202 intel_sdvo->base.needs_tv_clock = false;
2203 intel_sdvo->is_lvds = false;
2204
2205 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2206
2207 if (flags & SDVO_OUTPUT_TMDS0)
2208 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2209 return false;
2210
2211 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2212 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2213 return false;
2214
2215 /* TV has no XXX1 function block */
2216 if (flags & SDVO_OUTPUT_SVID0)
2217 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2218 return false;
2219
2220 if (flags & SDVO_OUTPUT_CVBS0)
2221 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2222 return false;
2223
2224 if (flags & SDVO_OUTPUT_YPRPB0)
2225 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2226 return false;
2227
2228 if (flags & SDVO_OUTPUT_RGB0)
2229 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2230 return false;
2231
2232 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2233 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2234 return false;
2235
2236 if (flags & SDVO_OUTPUT_LVDS0)
2237 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2238 return false;
2239
2240 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2241 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2242 return false;
2243
2244 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2245 unsigned char bytes[2];
2246
2247 intel_sdvo->controlled_output = 0;
2248 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2249 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2250 SDVO_NAME(intel_sdvo),
2251 bytes[0], bytes[1]);
2252 return false;
2253 }
2254 intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2255
2256 return true;
2257 }
2258
2259 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2260 struct intel_sdvo_connector *intel_sdvo_connector,
2261 int type)
2262 {
2263 struct drm_device *dev = intel_sdvo->base.base.dev;
2264 struct intel_sdvo_tv_format format;
2265 uint32_t format_map, i;
2266
2267 if (!intel_sdvo_set_target_output(intel_sdvo, type))
2268 return false;
2269
2270 BUILD_BUG_ON(sizeof(format) != 6);
2271 if (!intel_sdvo_get_value(intel_sdvo,
2272 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2273 &format, sizeof(format)))
2274 return false;
2275
2276 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2277
2278 if (format_map == 0)
2279 return false;
2280
2281 intel_sdvo_connector->format_supported_num = 0;
2282 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2283 if (format_map & (1 << i))
2284 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2285
2286
2287 intel_sdvo_connector->tv_format =
2288 drm_property_create(dev, DRM_MODE_PROP_ENUM,
2289 "mode", intel_sdvo_connector->format_supported_num);
2290 if (!intel_sdvo_connector->tv_format)
2291 return false;
2292
2293 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2294 drm_property_add_enum(
2295 intel_sdvo_connector->tv_format, i,
2296 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2297
2298 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2299 drm_connector_attach_property(&intel_sdvo_connector->base.base,
2300 intel_sdvo_connector->tv_format, 0);
2301 return true;
2302
2303 }
2304
2305 #define ENHANCEMENT(name, NAME) do { \
2306 if (enhancements.name) { \
2307 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2308 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2309 return false; \
2310 intel_sdvo_connector->max_##name = data_value[0]; \
2311 intel_sdvo_connector->cur_##name = response; \
2312 intel_sdvo_connector->name = \
2313 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2314 if (!intel_sdvo_connector->name) return false; \
2315 drm_connector_attach_property(connector, \
2316 intel_sdvo_connector->name, \
2317 intel_sdvo_connector->cur_##name); \
2318 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2319 data_value[0], data_value[1], response); \
2320 } \
2321 } while (0)
2322
2323 static bool
2324 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2325 struct intel_sdvo_connector *intel_sdvo_connector,
2326 struct intel_sdvo_enhancements_reply enhancements)
2327 {
2328 struct drm_device *dev = intel_sdvo->base.base.dev;
2329 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2330 uint16_t response, data_value[2];
2331
2332 /* when horizontal overscan is supported, Add the left/right property */
2333 if (enhancements.overscan_h) {
2334 if (!intel_sdvo_get_value(intel_sdvo,
2335 SDVO_CMD_GET_MAX_OVERSCAN_H,
2336 &data_value, 4))
2337 return false;
2338
2339 if (!intel_sdvo_get_value(intel_sdvo,
2340 SDVO_CMD_GET_OVERSCAN_H,
2341 &response, 2))
2342 return false;
2343
2344 intel_sdvo_connector->max_hscan = data_value[0];
2345 intel_sdvo_connector->left_margin = data_value[0] - response;
2346 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2347 intel_sdvo_connector->left =
2348 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2349 if (!intel_sdvo_connector->left)
2350 return false;
2351
2352 drm_connector_attach_property(connector,
2353 intel_sdvo_connector->left,
2354 intel_sdvo_connector->left_margin);
2355
2356 intel_sdvo_connector->right =
2357 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2358 if (!intel_sdvo_connector->right)
2359 return false;
2360
2361 drm_connector_attach_property(connector,
2362 intel_sdvo_connector->right,
2363 intel_sdvo_connector->right_margin);
2364 DRM_DEBUG_KMS("h_overscan: max %d, "
2365 "default %d, current %d\n",
2366 data_value[0], data_value[1], response);
2367 }
2368
2369 if (enhancements.overscan_v) {
2370 if (!intel_sdvo_get_value(intel_sdvo,
2371 SDVO_CMD_GET_MAX_OVERSCAN_V,
2372 &data_value, 4))
2373 return false;
2374
2375 if (!intel_sdvo_get_value(intel_sdvo,
2376 SDVO_CMD_GET_OVERSCAN_V,
2377 &response, 2))
2378 return false;
2379
2380 intel_sdvo_connector->max_vscan = data_value[0];
2381 intel_sdvo_connector->top_margin = data_value[0] - response;
2382 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2383 intel_sdvo_connector->top =
2384 drm_property_create_range(dev, 0,
2385 "top_margin", 0, data_value[0]);
2386 if (!intel_sdvo_connector->top)
2387 return false;
2388
2389 drm_connector_attach_property(connector,
2390 intel_sdvo_connector->top,
2391 intel_sdvo_connector->top_margin);
2392
2393 intel_sdvo_connector->bottom =
2394 drm_property_create_range(dev, 0,
2395 "bottom_margin", 0, data_value[0]);
2396 if (!intel_sdvo_connector->bottom)
2397 return false;
2398
2399 drm_connector_attach_property(connector,
2400 intel_sdvo_connector->bottom,
2401 intel_sdvo_connector->bottom_margin);
2402 DRM_DEBUG_KMS("v_overscan: max %d, "
2403 "default %d, current %d\n",
2404 data_value[0], data_value[1], response);
2405 }
2406
2407 ENHANCEMENT(hpos, HPOS);
2408 ENHANCEMENT(vpos, VPOS);
2409 ENHANCEMENT(saturation, SATURATION);
2410 ENHANCEMENT(contrast, CONTRAST);
2411 ENHANCEMENT(hue, HUE);
2412 ENHANCEMENT(sharpness, SHARPNESS);
2413 ENHANCEMENT(brightness, BRIGHTNESS);
2414 ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2415 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2416 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2417 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2418 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2419
2420 if (enhancements.dot_crawl) {
2421 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2422 return false;
2423
2424 intel_sdvo_connector->max_dot_crawl = 1;
2425 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2426 intel_sdvo_connector->dot_crawl =
2427 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2428 if (!intel_sdvo_connector->dot_crawl)
2429 return false;
2430
2431 drm_connector_attach_property(connector,
2432 intel_sdvo_connector->dot_crawl,
2433 intel_sdvo_connector->cur_dot_crawl);
2434 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2435 }
2436
2437 return true;
2438 }
2439
2440 static bool
2441 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2442 struct intel_sdvo_connector *intel_sdvo_connector,
2443 struct intel_sdvo_enhancements_reply enhancements)
2444 {
2445 struct drm_device *dev = intel_sdvo->base.base.dev;
2446 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2447 uint16_t response, data_value[2];
2448
2449 ENHANCEMENT(brightness, BRIGHTNESS);
2450
2451 return true;
2452 }
2453 #undef ENHANCEMENT
2454
2455 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2456 struct intel_sdvo_connector *intel_sdvo_connector)
2457 {
2458 union {
2459 struct intel_sdvo_enhancements_reply reply;
2460 uint16_t response;
2461 } enhancements;
2462
2463 BUILD_BUG_ON(sizeof(enhancements) != 2);
2464
2465 enhancements.response = 0;
2466 intel_sdvo_get_value(intel_sdvo,
2467 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2468 &enhancements, sizeof(enhancements));
2469 if (enhancements.response == 0) {
2470 DRM_DEBUG_KMS("No enhancement is supported\n");
2471 return true;
2472 }
2473
2474 if (IS_TV(intel_sdvo_connector))
2475 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2476 else if (IS_LVDS(intel_sdvo_connector))
2477 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2478 else
2479 return true;
2480 }
2481
2482 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2483 struct i2c_msg *msgs,
2484 int num)
2485 {
2486 struct intel_sdvo *sdvo = adapter->algo_data;
2487
2488 if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2489 return -EIO;
2490
2491 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2492 }
2493
2494 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2495 {
2496 struct intel_sdvo *sdvo = adapter->algo_data;
2497 return sdvo->i2c->algo->functionality(sdvo->i2c);
2498 }
2499
2500 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2501 .master_xfer = intel_sdvo_ddc_proxy_xfer,
2502 .functionality = intel_sdvo_ddc_proxy_func
2503 };
2504
2505 static bool
2506 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2507 struct drm_device *dev)
2508 {
2509 sdvo->ddc.owner = THIS_MODULE;
2510 sdvo->ddc.class = I2C_CLASS_DDC;
2511 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2512 sdvo->ddc.dev.parent = &dev->pdev->dev;
2513 sdvo->ddc.algo_data = sdvo;
2514 sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2515
2516 return i2c_add_adapter(&sdvo->ddc) == 0;
2517 }
2518
2519 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2520 {
2521 struct drm_i915_private *dev_priv = dev->dev_private;
2522 struct intel_encoder *intel_encoder;
2523 struct intel_sdvo *intel_sdvo;
2524 int i;
2525
2526 intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2527 if (!intel_sdvo)
2528 return false;
2529
2530 intel_sdvo->sdvo_reg = sdvo_reg;
2531 intel_sdvo->is_sdvob = is_sdvob;
2532 intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2533 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2534 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2535 kfree(intel_sdvo);
2536 return false;
2537 }
2538
2539 /* encoder type will be decided later */
2540 intel_encoder = &intel_sdvo->base;
2541 intel_encoder->type = INTEL_OUTPUT_SDVO;
2542 drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2543
2544 /* Read the regs to test if we can talk to the device */
2545 for (i = 0; i < 0x40; i++) {
2546 u8 byte;
2547
2548 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2549 DRM_DEBUG_KMS("No SDVO device found on %s\n",
2550 SDVO_NAME(intel_sdvo));
2551 goto err;
2552 }
2553 }
2554
2555 if (intel_sdvo->is_sdvob)
2556 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2557 else
2558 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2559
2560 drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2561
2562 /* In default case sdvo lvds is false */
2563 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2564 goto err;
2565
2566 /* Set up hotplug command - note paranoia about contents of reply.
2567 * We assume that the hardware is in a sane state, and only touch
2568 * the bits we think we understand.
2569 */
2570 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2571 &intel_sdvo->hotplug_active, 2);
2572 intel_sdvo->hotplug_active[0] &= ~0x3;
2573
2574 if (intel_sdvo_output_setup(intel_sdvo,
2575 intel_sdvo->caps.output_flags) != true) {
2576 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2577 SDVO_NAME(intel_sdvo));
2578 goto err;
2579 }
2580
2581 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2582
2583 /* Set the input timing to the screen. Assume always input 0. */
2584 if (!intel_sdvo_set_target_input(intel_sdvo))
2585 goto err;
2586
2587 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2588 &intel_sdvo->pixel_clock_min,
2589 &intel_sdvo->pixel_clock_max))
2590 goto err;
2591
2592 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2593 "clock range %dMHz - %dMHz, "
2594 "input 1: %c, input 2: %c, "
2595 "output 1: %c, output 2: %c\n",
2596 SDVO_NAME(intel_sdvo),
2597 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2598 intel_sdvo->caps.device_rev_id,
2599 intel_sdvo->pixel_clock_min / 1000,
2600 intel_sdvo->pixel_clock_max / 1000,
2601 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2602 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2603 /* check currently supported outputs */
2604 intel_sdvo->caps.output_flags &
2605 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2606 intel_sdvo->caps.output_flags &
2607 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2608 return true;
2609
2610 err:
2611 drm_encoder_cleanup(&intel_encoder->base);
2612 i2c_del_adapter(&intel_sdvo->ddc);
2613 kfree(intel_sdvo);
2614
2615 return false;
2616 }
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