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drm/i915/dp: Add 'force_audio' property
[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 "drmP.h"
32 #include "drm.h"
33 #include "drm_crtc.h"
34 #include "drm_edid.h"
35 #include "intel_drv.h"
36 #include "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)
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_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
50 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
51
52
53 static const char *tv_format_names[] = {
54 "NTSC_M" , "NTSC_J" , "NTSC_443",
55 "PAL_B" , "PAL_D" , "PAL_G" ,
56 "PAL_H" , "PAL_I" , "PAL_M" ,
57 "PAL_N" , "PAL_NC" , "PAL_60" ,
58 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
59 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
60 "SECAM_60"
61 };
62
63 #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
64
65 struct intel_sdvo {
66 struct intel_encoder base;
67
68 struct i2c_adapter *i2c;
69 u8 slave_addr;
70
71 struct i2c_adapter ddc;
72
73 /* Register for the SDVO device: SDVOB or SDVOC */
74 int sdvo_reg;
75
76 /* Active outputs controlled by this SDVO output */
77 uint16_t controlled_output;
78
79 /*
80 * Capabilities of the SDVO device returned by
81 * i830_sdvo_get_capabilities()
82 */
83 struct intel_sdvo_caps caps;
84
85 /* Pixel clock limitations reported by the SDVO device, in kHz */
86 int pixel_clock_min, pixel_clock_max;
87
88 /*
89 * For multiple function SDVO device,
90 * this is for current attached outputs.
91 */
92 uint16_t attached_output;
93
94 /**
95 * This is set if we're going to treat the device as TV-out.
96 *
97 * While we have these nice friendly flags for output types that ought
98 * to decide this for us, the S-Video output on our HDMI+S-Video card
99 * shows up as RGB1 (VGA).
100 */
101 bool is_tv;
102
103 /* This is for current tv format name */
104 int tv_format_index;
105
106 /**
107 * This is set if we treat the device as HDMI, instead of DVI.
108 */
109 bool is_hdmi;
110
111 /**
112 * This is set if we detect output of sdvo device as LVDS and
113 * have a valid fixed mode to use with the panel.
114 */
115 bool is_lvds;
116
117 /**
118 * This is sdvo fixed pannel mode pointer
119 */
120 struct drm_display_mode *sdvo_lvds_fixed_mode;
121
122 /*
123 * supported encoding mode, used to determine whether HDMI is
124 * supported
125 */
126 struct intel_sdvo_encode encode;
127
128 /* DDC bus used by this SDVO encoder */
129 uint8_t ddc_bus;
130
131 /* Input timings for adjusted_mode */
132 struct intel_sdvo_dtd input_dtd;
133 };
134
135 struct intel_sdvo_connector {
136 struct intel_connector base;
137
138 /* Mark the type of connector */
139 uint16_t output_flag;
140
141 /* This contains all current supported TV format */
142 u8 tv_format_supported[TV_FORMAT_NUM];
143 int format_supported_num;
144 struct drm_property *tv_format;
145
146 /* add the property for the SDVO-TV */
147 struct drm_property *left;
148 struct drm_property *right;
149 struct drm_property *top;
150 struct drm_property *bottom;
151 struct drm_property *hpos;
152 struct drm_property *vpos;
153 struct drm_property *contrast;
154 struct drm_property *saturation;
155 struct drm_property *hue;
156 struct drm_property *sharpness;
157 struct drm_property *flicker_filter;
158 struct drm_property *flicker_filter_adaptive;
159 struct drm_property *flicker_filter_2d;
160 struct drm_property *tv_chroma_filter;
161 struct drm_property *tv_luma_filter;
162 struct drm_property *dot_crawl;
163
164 /* add the property for the SDVO-TV/LVDS */
165 struct drm_property *brightness;
166
167 /* Add variable to record current setting for the above property */
168 u32 left_margin, right_margin, top_margin, bottom_margin;
169
170 /* this is to get the range of margin.*/
171 u32 max_hscan, max_vscan;
172 u32 max_hpos, cur_hpos;
173 u32 max_vpos, cur_vpos;
174 u32 cur_brightness, max_brightness;
175 u32 cur_contrast, max_contrast;
176 u32 cur_saturation, max_saturation;
177 u32 cur_hue, max_hue;
178 u32 cur_sharpness, max_sharpness;
179 u32 cur_flicker_filter, max_flicker_filter;
180 u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
181 u32 cur_flicker_filter_2d, max_flicker_filter_2d;
182 u32 cur_tv_chroma_filter, max_tv_chroma_filter;
183 u32 cur_tv_luma_filter, max_tv_luma_filter;
184 u32 cur_dot_crawl, max_dot_crawl;
185 };
186
187 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
188 {
189 return container_of(encoder, struct intel_sdvo, base.base);
190 }
191
192 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
193 {
194 return container_of(intel_attached_encoder(connector),
195 struct intel_sdvo, base);
196 }
197
198 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
199 {
200 return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
201 }
202
203 static bool
204 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
205 static bool
206 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
207 struct intel_sdvo_connector *intel_sdvo_connector,
208 int type);
209 static bool
210 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
211 struct intel_sdvo_connector *intel_sdvo_connector);
212
213 /**
214 * Writes the SDVOB or SDVOC with the given value, but always writes both
215 * SDVOB and SDVOC to work around apparent hardware issues (according to
216 * comments in the BIOS).
217 */
218 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
219 {
220 struct drm_device *dev = intel_sdvo->base.base.dev;
221 struct drm_i915_private *dev_priv = dev->dev_private;
222 u32 bval = val, cval = val;
223 int i;
224
225 if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
226 I915_WRITE(intel_sdvo->sdvo_reg, val);
227 I915_READ(intel_sdvo->sdvo_reg);
228 return;
229 }
230
231 if (intel_sdvo->sdvo_reg == SDVOB) {
232 cval = I915_READ(SDVOC);
233 } else {
234 bval = I915_READ(SDVOB);
235 }
236 /*
237 * Write the registers twice for luck. Sometimes,
238 * writing them only once doesn't appear to 'stick'.
239 * The BIOS does this too. Yay, magic
240 */
241 for (i = 0; i < 2; i++)
242 {
243 I915_WRITE(SDVOB, bval);
244 I915_READ(SDVOB);
245 I915_WRITE(SDVOC, cval);
246 I915_READ(SDVOC);
247 }
248 }
249
250 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
251 {
252 struct i2c_msg msgs[] = {
253 {
254 .addr = intel_sdvo->slave_addr,
255 .flags = 0,
256 .len = 1,
257 .buf = &addr,
258 },
259 {
260 .addr = intel_sdvo->slave_addr,
261 .flags = I2C_M_RD,
262 .len = 1,
263 .buf = ch,
264 }
265 };
266 int ret;
267
268 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
269 return true;
270
271 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
272 return false;
273 }
274
275 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
276 /** Mapping of command numbers to names, for debug output */
277 static const struct _sdvo_cmd_name {
278 u8 cmd;
279 const char *name;
280 } sdvo_cmd_names[] = {
281 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
282 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
283 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
284 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
285 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
286 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
287 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
288 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
289 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
290 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
291 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
292 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
293 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
294 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
295 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
296 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
297 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
324
325 /* Add the op code for SDVO enhancements */
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
370
371 /* HDMI op code */
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
387 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
388 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
392 };
393
394 #define IS_SDVOB(reg) (reg == SDVOB || reg == PCH_SDVOB)
395 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
396
397 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
398 const void *args, int args_len)
399 {
400 int i;
401
402 DRM_DEBUG_KMS("%s: W: %02X ",
403 SDVO_NAME(intel_sdvo), cmd);
404 for (i = 0; i < args_len; i++)
405 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
406 for (; i < 8; i++)
407 DRM_LOG_KMS(" ");
408 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
409 if (cmd == sdvo_cmd_names[i].cmd) {
410 DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
411 break;
412 }
413 }
414 if (i == ARRAY_SIZE(sdvo_cmd_names))
415 DRM_LOG_KMS("(%02X)", cmd);
416 DRM_LOG_KMS("\n");
417 }
418
419 static const char *cmd_status_names[] = {
420 "Power on",
421 "Success",
422 "Not supported",
423 "Invalid arg",
424 "Pending",
425 "Target not specified",
426 "Scaling not supported"
427 };
428
429 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
430 const void *args, int args_len)
431 {
432 u8 buf[args_len*2 + 2], status;
433 struct i2c_msg msgs[args_len + 3];
434 int i, ret;
435
436 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
437
438 for (i = 0; i < args_len; i++) {
439 msgs[i].addr = intel_sdvo->slave_addr;
440 msgs[i].flags = 0;
441 msgs[i].len = 2;
442 msgs[i].buf = buf + 2 *i;
443 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
444 buf[2*i + 1] = ((u8*)args)[i];
445 }
446 msgs[i].addr = intel_sdvo->slave_addr;
447 msgs[i].flags = 0;
448 msgs[i].len = 2;
449 msgs[i].buf = buf + 2*i;
450 buf[2*i + 0] = SDVO_I2C_OPCODE;
451 buf[2*i + 1] = cmd;
452
453 /* the following two are to read the response */
454 status = SDVO_I2C_CMD_STATUS;
455 msgs[i+1].addr = intel_sdvo->slave_addr;
456 msgs[i+1].flags = 0;
457 msgs[i+1].len = 1;
458 msgs[i+1].buf = &status;
459
460 msgs[i+2].addr = intel_sdvo->slave_addr;
461 msgs[i+2].flags = I2C_M_RD;
462 msgs[i+2].len = 1;
463 msgs[i+2].buf = &status;
464
465 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
466 if (ret < 0) {
467 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
468 return false;
469 }
470 if (ret != i+3) {
471 /* failure in I2C transfer */
472 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
473 return false;
474 }
475
476 i = 3;
477 while (status == SDVO_CMD_STATUS_PENDING && i--) {
478 if (!intel_sdvo_read_byte(intel_sdvo,
479 SDVO_I2C_CMD_STATUS,
480 &status))
481 return false;
482 }
483 if (status != SDVO_CMD_STATUS_SUCCESS) {
484 DRM_DEBUG_KMS("command returns response %s [%d]\n",
485 status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP ? cmd_status_names[status] : "???",
486 status);
487 return false;
488 }
489
490 return true;
491 }
492
493 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
494 void *response, int response_len)
495 {
496 u8 retry = 5;
497 u8 status;
498 int i;
499
500 /*
501 * The documentation states that all commands will be
502 * processed within 15µs, and that we need only poll
503 * the status byte a maximum of 3 times in order for the
504 * command to be complete.
505 *
506 * Check 5 times in case the hardware failed to read the docs.
507 */
508 do {
509 if (!intel_sdvo_read_byte(intel_sdvo,
510 SDVO_I2C_CMD_STATUS,
511 &status))
512 return false;
513 } while (status == SDVO_CMD_STATUS_PENDING && --retry);
514
515 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
516 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
517 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
518 else
519 DRM_LOG_KMS("(??? %d)", status);
520
521 if (status != SDVO_CMD_STATUS_SUCCESS)
522 goto log_fail;
523
524 /* Read the command response */
525 for (i = 0; i < response_len; i++) {
526 if (!intel_sdvo_read_byte(intel_sdvo,
527 SDVO_I2C_RETURN_0 + i,
528 &((u8 *)response)[i]))
529 goto log_fail;
530 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
531 }
532 DRM_LOG_KMS("\n");
533 return true;
534
535 log_fail:
536 DRM_LOG_KMS("\n");
537 return false;
538 }
539
540 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
541 {
542 if (mode->clock >= 100000)
543 return 1;
544 else if (mode->clock >= 50000)
545 return 2;
546 else
547 return 4;
548 }
549
550 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
551 u8 ddc_bus)
552 {
553 return intel_sdvo_write_cmd(intel_sdvo,
554 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
555 &ddc_bus, 1);
556 }
557
558 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
559 {
560 return intel_sdvo_write_cmd(intel_sdvo, cmd, data, len);
561 }
562
563 static bool
564 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
565 {
566 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
567 return false;
568
569 return intel_sdvo_read_response(intel_sdvo, value, len);
570 }
571
572 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
573 {
574 struct intel_sdvo_set_target_input_args targets = {0};
575 return intel_sdvo_set_value(intel_sdvo,
576 SDVO_CMD_SET_TARGET_INPUT,
577 &targets, sizeof(targets));
578 }
579
580 /**
581 * Return whether each input is trained.
582 *
583 * This function is making an assumption about the layout of the response,
584 * which should be checked against the docs.
585 */
586 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
587 {
588 struct intel_sdvo_get_trained_inputs_response response;
589
590 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
591 &response, sizeof(response)))
592 return false;
593
594 *input_1 = response.input0_trained;
595 *input_2 = response.input1_trained;
596 return true;
597 }
598
599 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
600 u16 outputs)
601 {
602 return intel_sdvo_set_value(intel_sdvo,
603 SDVO_CMD_SET_ACTIVE_OUTPUTS,
604 &outputs, sizeof(outputs));
605 }
606
607 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
608 int mode)
609 {
610 u8 state = SDVO_ENCODER_STATE_ON;
611
612 switch (mode) {
613 case DRM_MODE_DPMS_ON:
614 state = SDVO_ENCODER_STATE_ON;
615 break;
616 case DRM_MODE_DPMS_STANDBY:
617 state = SDVO_ENCODER_STATE_STANDBY;
618 break;
619 case DRM_MODE_DPMS_SUSPEND:
620 state = SDVO_ENCODER_STATE_SUSPEND;
621 break;
622 case DRM_MODE_DPMS_OFF:
623 state = SDVO_ENCODER_STATE_OFF;
624 break;
625 }
626
627 return intel_sdvo_set_value(intel_sdvo,
628 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
629 }
630
631 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
632 int *clock_min,
633 int *clock_max)
634 {
635 struct intel_sdvo_pixel_clock_range clocks;
636
637 if (!intel_sdvo_get_value(intel_sdvo,
638 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
639 &clocks, sizeof(clocks)))
640 return false;
641
642 /* Convert the values from units of 10 kHz to kHz. */
643 *clock_min = clocks.min * 10;
644 *clock_max = clocks.max * 10;
645 return true;
646 }
647
648 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
649 u16 outputs)
650 {
651 return intel_sdvo_set_value(intel_sdvo,
652 SDVO_CMD_SET_TARGET_OUTPUT,
653 &outputs, sizeof(outputs));
654 }
655
656 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
657 struct intel_sdvo_dtd *dtd)
658 {
659 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
660 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
661 }
662
663 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
664 struct intel_sdvo_dtd *dtd)
665 {
666 return intel_sdvo_set_timing(intel_sdvo,
667 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
668 }
669
670 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
671 struct intel_sdvo_dtd *dtd)
672 {
673 return intel_sdvo_set_timing(intel_sdvo,
674 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
675 }
676
677 static bool
678 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
679 uint16_t clock,
680 uint16_t width,
681 uint16_t height)
682 {
683 struct intel_sdvo_preferred_input_timing_args args;
684
685 memset(&args, 0, sizeof(args));
686 args.clock = clock;
687 args.width = width;
688 args.height = height;
689 args.interlace = 0;
690
691 if (intel_sdvo->is_lvds &&
692 (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
693 intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
694 args.scaled = 1;
695
696 return intel_sdvo_set_value(intel_sdvo,
697 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
698 &args, sizeof(args));
699 }
700
701 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
702 struct intel_sdvo_dtd *dtd)
703 {
704 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
705 &dtd->part1, sizeof(dtd->part1)) &&
706 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
707 &dtd->part2, sizeof(dtd->part2));
708 }
709
710 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
711 {
712 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
713 }
714
715 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
716 const struct drm_display_mode *mode)
717 {
718 uint16_t width, height;
719 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
720 uint16_t h_sync_offset, v_sync_offset;
721
722 width = mode->crtc_hdisplay;
723 height = mode->crtc_vdisplay;
724
725 /* do some mode translations */
726 h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
727 h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
728
729 v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
730 v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
731
732 h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
733 v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
734
735 dtd->part1.clock = mode->clock / 10;
736 dtd->part1.h_active = width & 0xff;
737 dtd->part1.h_blank = h_blank_len & 0xff;
738 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
739 ((h_blank_len >> 8) & 0xf);
740 dtd->part1.v_active = height & 0xff;
741 dtd->part1.v_blank = v_blank_len & 0xff;
742 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
743 ((v_blank_len >> 8) & 0xf);
744
745 dtd->part2.h_sync_off = h_sync_offset & 0xff;
746 dtd->part2.h_sync_width = h_sync_len & 0xff;
747 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
748 (v_sync_len & 0xf);
749 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
750 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
751 ((v_sync_len & 0x30) >> 4);
752
753 dtd->part2.dtd_flags = 0x18;
754 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
755 dtd->part2.dtd_flags |= 0x2;
756 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
757 dtd->part2.dtd_flags |= 0x4;
758
759 dtd->part2.sdvo_flags = 0;
760 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
761 dtd->part2.reserved = 0;
762 }
763
764 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
765 const struct intel_sdvo_dtd *dtd)
766 {
767 mode->hdisplay = dtd->part1.h_active;
768 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
769 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
770 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
771 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
772 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
773 mode->htotal = mode->hdisplay + dtd->part1.h_blank;
774 mode->htotal += (dtd->part1.h_high & 0xf) << 8;
775
776 mode->vdisplay = dtd->part1.v_active;
777 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
778 mode->vsync_start = mode->vdisplay;
779 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
780 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
781 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
782 mode->vsync_end = mode->vsync_start +
783 (dtd->part2.v_sync_off_width & 0xf);
784 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
785 mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
786 mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
787
788 mode->clock = dtd->part1.clock * 10;
789
790 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
791 if (dtd->part2.dtd_flags & 0x2)
792 mode->flags |= DRM_MODE_FLAG_PHSYNC;
793 if (dtd->part2.dtd_flags & 0x4)
794 mode->flags |= DRM_MODE_FLAG_PVSYNC;
795 }
796
797 static bool intel_sdvo_get_supp_encode(struct intel_sdvo *intel_sdvo,
798 struct intel_sdvo_encode *encode)
799 {
800 if (intel_sdvo_get_value(intel_sdvo,
801 SDVO_CMD_GET_SUPP_ENCODE,
802 encode, sizeof(*encode)))
803 return true;
804
805 /* non-support means DVI */
806 memset(encode, 0, sizeof(*encode));
807 return false;
808 }
809
810 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
811 uint8_t mode)
812 {
813 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
814 }
815
816 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
817 uint8_t mode)
818 {
819 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
820 }
821
822 #if 0
823 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
824 {
825 int i, j;
826 uint8_t set_buf_index[2];
827 uint8_t av_split;
828 uint8_t buf_size;
829 uint8_t buf[48];
830 uint8_t *pos;
831
832 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
833
834 for (i = 0; i <= av_split; i++) {
835 set_buf_index[0] = i; set_buf_index[1] = 0;
836 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
837 set_buf_index, 2);
838 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
839 intel_sdvo_read_response(encoder, &buf_size, 1);
840
841 pos = buf;
842 for (j = 0; j <= buf_size; j += 8) {
843 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
844 NULL, 0);
845 intel_sdvo_read_response(encoder, pos, 8);
846 pos += 8;
847 }
848 }
849 }
850 #endif
851
852 static bool intel_sdvo_set_hdmi_buf(struct intel_sdvo *intel_sdvo,
853 int index,
854 uint8_t *data, int8_t size, uint8_t tx_rate)
855 {
856 uint8_t set_buf_index[2];
857
858 set_buf_index[0] = index;
859 set_buf_index[1] = 0;
860
861 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_INDEX,
862 set_buf_index, 2))
863 return false;
864
865 for (; size > 0; size -= 8) {
866 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_DATA, data, 8))
867 return false;
868
869 data += 8;
870 }
871
872 return intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1);
873 }
874
875 static uint8_t intel_sdvo_calc_hbuf_csum(uint8_t *data, uint8_t size)
876 {
877 uint8_t csum = 0;
878 int i;
879
880 for (i = 0; i < size; i++)
881 csum += data[i];
882
883 return 0x100 - csum;
884 }
885
886 #define DIP_TYPE_AVI 0x82
887 #define DIP_VERSION_AVI 0x2
888 #define DIP_LEN_AVI 13
889
890 struct dip_infoframe {
891 uint8_t type;
892 uint8_t version;
893 uint8_t len;
894 uint8_t checksum;
895 union {
896 struct {
897 /* Packet Byte #1 */
898 uint8_t S:2;
899 uint8_t B:2;
900 uint8_t A:1;
901 uint8_t Y:2;
902 uint8_t rsvd1:1;
903 /* Packet Byte #2 */
904 uint8_t R:4;
905 uint8_t M:2;
906 uint8_t C:2;
907 /* Packet Byte #3 */
908 uint8_t SC:2;
909 uint8_t Q:2;
910 uint8_t EC:3;
911 uint8_t ITC:1;
912 /* Packet Byte #4 */
913 uint8_t VIC:7;
914 uint8_t rsvd2:1;
915 /* Packet Byte #5 */
916 uint8_t PR:4;
917 uint8_t rsvd3:4;
918 /* Packet Byte #6~13 */
919 uint16_t top_bar_end;
920 uint16_t bottom_bar_start;
921 uint16_t left_bar_end;
922 uint16_t right_bar_start;
923 } avi;
924 struct {
925 /* Packet Byte #1 */
926 uint8_t channel_count:3;
927 uint8_t rsvd1:1;
928 uint8_t coding_type:4;
929 /* Packet Byte #2 */
930 uint8_t sample_size:2; /* SS0, SS1 */
931 uint8_t sample_frequency:3;
932 uint8_t rsvd2:3;
933 /* Packet Byte #3 */
934 uint8_t coding_type_private:5;
935 uint8_t rsvd3:3;
936 /* Packet Byte #4 */
937 uint8_t channel_allocation;
938 /* Packet Byte #5 */
939 uint8_t rsvd4:3;
940 uint8_t level_shift:4;
941 uint8_t downmix_inhibit:1;
942 } audio;
943 uint8_t payload[28];
944 } __attribute__ ((packed)) u;
945 } __attribute__((packed));
946
947 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
948 struct drm_display_mode * mode)
949 {
950 struct dip_infoframe avi_if = {
951 .type = DIP_TYPE_AVI,
952 .version = DIP_VERSION_AVI,
953 .len = DIP_LEN_AVI,
954 };
955
956 avi_if.checksum = intel_sdvo_calc_hbuf_csum((uint8_t *)&avi_if,
957 4 + avi_if.len);
958 return intel_sdvo_set_hdmi_buf(intel_sdvo, 1, (uint8_t *)&avi_if,
959 4 + avi_if.len,
960 SDVO_HBUF_TX_VSYNC);
961 }
962
963 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
964 {
965 struct intel_sdvo_tv_format format;
966 uint32_t format_map;
967
968 format_map = 1 << intel_sdvo->tv_format_index;
969 memset(&format, 0, sizeof(format));
970 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
971
972 BUILD_BUG_ON(sizeof(format) != 6);
973 return intel_sdvo_set_value(intel_sdvo,
974 SDVO_CMD_SET_TV_FORMAT,
975 &format, sizeof(format));
976 }
977
978 static bool
979 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
980 struct drm_display_mode *mode)
981 {
982 struct intel_sdvo_dtd output_dtd;
983
984 if (!intel_sdvo_set_target_output(intel_sdvo,
985 intel_sdvo->attached_output))
986 return false;
987
988 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
989 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
990 return false;
991
992 return true;
993 }
994
995 static bool
996 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
997 struct drm_display_mode *mode,
998 struct drm_display_mode *adjusted_mode)
999 {
1000 /* Reset the input timing to the screen. Assume always input 0. */
1001 if (!intel_sdvo_set_target_input(intel_sdvo))
1002 return false;
1003
1004 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1005 mode->clock / 10,
1006 mode->hdisplay,
1007 mode->vdisplay))
1008 return false;
1009
1010 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1011 &intel_sdvo->input_dtd))
1012 return false;
1013
1014 intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
1015
1016 drm_mode_set_crtcinfo(adjusted_mode, 0);
1017 return true;
1018 }
1019
1020 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
1021 struct drm_display_mode *mode,
1022 struct drm_display_mode *adjusted_mode)
1023 {
1024 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1025 int multiplier;
1026
1027 /* We need to construct preferred input timings based on our
1028 * output timings. To do that, we have to set the output
1029 * timings, even though this isn't really the right place in
1030 * the sequence to do it. Oh well.
1031 */
1032 if (intel_sdvo->is_tv) {
1033 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1034 return false;
1035
1036 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
1037 mode,
1038 adjusted_mode);
1039 } else if (intel_sdvo->is_lvds) {
1040 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1041 intel_sdvo->sdvo_lvds_fixed_mode))
1042 return false;
1043
1044 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
1045 mode,
1046 adjusted_mode);
1047 }
1048
1049 /* Make the CRTC code factor in the SDVO pixel multiplier. The
1050 * SDVO device will factor out the multiplier during mode_set.
1051 */
1052 multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1053 intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1054
1055 return true;
1056 }
1057
1058 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1059 struct drm_display_mode *mode,
1060 struct drm_display_mode *adjusted_mode)
1061 {
1062 struct drm_device *dev = encoder->dev;
1063 struct drm_i915_private *dev_priv = dev->dev_private;
1064 struct drm_crtc *crtc = encoder->crtc;
1065 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1066 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1067 u32 sdvox;
1068 struct intel_sdvo_in_out_map in_out;
1069 struct intel_sdvo_dtd input_dtd;
1070 int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1071 int rate;
1072
1073 if (!mode)
1074 return;
1075
1076 /* First, set the input mapping for the first input to our controlled
1077 * output. This is only correct if we're a single-input device, in
1078 * which case the first input is the output from the appropriate SDVO
1079 * channel on the motherboard. In a two-input device, the first input
1080 * will be SDVOB and the second SDVOC.
1081 */
1082 in_out.in0 = intel_sdvo->attached_output;
1083 in_out.in1 = 0;
1084
1085 intel_sdvo_set_value(intel_sdvo,
1086 SDVO_CMD_SET_IN_OUT_MAP,
1087 &in_out, sizeof(in_out));
1088
1089 /* Set the output timings to the screen */
1090 if (!intel_sdvo_set_target_output(intel_sdvo,
1091 intel_sdvo->attached_output))
1092 return;
1093
1094 /* We have tried to get input timing in mode_fixup, and filled into
1095 * adjusted_mode.
1096 */
1097 if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
1098 input_dtd = intel_sdvo->input_dtd;
1099 } else {
1100 /* Set the output timing to the screen */
1101 if (!intel_sdvo_set_target_output(intel_sdvo,
1102 intel_sdvo->attached_output))
1103 return;
1104
1105 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1106 (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
1107 }
1108
1109 /* Set the input timing to the screen. Assume always input 0. */
1110 if (!intel_sdvo_set_target_input(intel_sdvo))
1111 return;
1112
1113 if (intel_sdvo->is_hdmi &&
1114 !intel_sdvo_set_avi_infoframe(intel_sdvo, mode))
1115 return;
1116
1117 if (intel_sdvo->is_tv &&
1118 !intel_sdvo_set_tv_format(intel_sdvo))
1119 return;
1120
1121 (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1122
1123 switch (pixel_multiplier) {
1124 default:
1125 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1126 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1127 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1128 }
1129 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1130 return;
1131
1132 /* Set the SDVO control regs. */
1133 if (INTEL_INFO(dev)->gen >= 4) {
1134 sdvox = SDVO_BORDER_ENABLE;
1135 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
1136 sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
1137 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
1138 sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
1139 } else {
1140 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1141 switch (intel_sdvo->sdvo_reg) {
1142 case SDVOB:
1143 sdvox &= SDVOB_PRESERVE_MASK;
1144 break;
1145 case SDVOC:
1146 sdvox &= SDVOC_PRESERVE_MASK;
1147 break;
1148 }
1149 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1150 }
1151 if (intel_crtc->pipe == 1)
1152 sdvox |= SDVO_PIPE_B_SELECT;
1153 if (intel_sdvo->is_hdmi)
1154 sdvox |= SDVO_AUDIO_ENABLE;
1155
1156 if (INTEL_INFO(dev)->gen >= 4) {
1157 /* done in crtc_mode_set as the dpll_md reg must be written early */
1158 } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1159 /* done in crtc_mode_set as it lives inside the dpll register */
1160 } else {
1161 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1162 }
1163
1164 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
1165 sdvox |= SDVO_STALL_SELECT;
1166 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1167 }
1168
1169 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1170 {
1171 struct drm_device *dev = encoder->dev;
1172 struct drm_i915_private *dev_priv = dev->dev_private;
1173 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1174 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1175 u32 temp;
1176
1177 if (mode != DRM_MODE_DPMS_ON) {
1178 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1179 if (0)
1180 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1181
1182 if (mode == DRM_MODE_DPMS_OFF) {
1183 temp = I915_READ(intel_sdvo->sdvo_reg);
1184 if ((temp & SDVO_ENABLE) != 0) {
1185 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1186 }
1187 }
1188 } else {
1189 bool input1, input2;
1190 int i;
1191 u8 status;
1192
1193 temp = I915_READ(intel_sdvo->sdvo_reg);
1194 if ((temp & SDVO_ENABLE) == 0)
1195 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1196 for (i = 0; i < 2; i++)
1197 intel_wait_for_vblank(dev, intel_crtc->pipe);
1198
1199 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1200 /* Warn if the device reported failure to sync.
1201 * A lot of SDVO devices fail to notify of sync, but it's
1202 * a given it the status is a success, we succeeded.
1203 */
1204 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1205 DRM_DEBUG_KMS("First %s output reported failure to "
1206 "sync\n", SDVO_NAME(intel_sdvo));
1207 }
1208
1209 if (0)
1210 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1211 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1212 }
1213 return;
1214 }
1215
1216 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1217 struct drm_display_mode *mode)
1218 {
1219 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1220
1221 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1222 return MODE_NO_DBLESCAN;
1223
1224 if (intel_sdvo->pixel_clock_min > mode->clock)
1225 return MODE_CLOCK_LOW;
1226
1227 if (intel_sdvo->pixel_clock_max < mode->clock)
1228 return MODE_CLOCK_HIGH;
1229
1230 if (intel_sdvo->is_lvds) {
1231 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1232 return MODE_PANEL;
1233
1234 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1235 return MODE_PANEL;
1236 }
1237
1238 return MODE_OK;
1239 }
1240
1241 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1242 {
1243 if (!intel_sdvo_get_value(intel_sdvo,
1244 SDVO_CMD_GET_DEVICE_CAPS,
1245 caps, sizeof(*caps)))
1246 return false;
1247
1248 DRM_DEBUG_KMS("SDVO capabilities:\n"
1249 " vendor_id: %d\n"
1250 " device_id: %d\n"
1251 " device_rev_id: %d\n"
1252 " sdvo_version_major: %d\n"
1253 " sdvo_version_minor: %d\n"
1254 " sdvo_inputs_mask: %d\n"
1255 " smooth_scaling: %d\n"
1256 " sharp_scaling: %d\n"
1257 " up_scaling: %d\n"
1258 " down_scaling: %d\n"
1259 " stall_support: %d\n"
1260 " output_flags: %d\n",
1261 caps->vendor_id,
1262 caps->device_id,
1263 caps->device_rev_id,
1264 caps->sdvo_version_major,
1265 caps->sdvo_version_minor,
1266 caps->sdvo_inputs_mask,
1267 caps->smooth_scaling,
1268 caps->sharp_scaling,
1269 caps->up_scaling,
1270 caps->down_scaling,
1271 caps->stall_support,
1272 caps->output_flags);
1273
1274 return true;
1275 }
1276
1277 /* No use! */
1278 #if 0
1279 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1280 {
1281 struct drm_connector *connector = NULL;
1282 struct intel_sdvo *iout = NULL;
1283 struct intel_sdvo *sdvo;
1284
1285 /* find the sdvo connector */
1286 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1287 iout = to_intel_sdvo(connector);
1288
1289 if (iout->type != INTEL_OUTPUT_SDVO)
1290 continue;
1291
1292 sdvo = iout->dev_priv;
1293
1294 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1295 return connector;
1296
1297 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1298 return connector;
1299
1300 }
1301
1302 return NULL;
1303 }
1304
1305 int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1306 {
1307 u8 response[2];
1308 u8 status;
1309 struct intel_sdvo *intel_sdvo;
1310 DRM_DEBUG_KMS("\n");
1311
1312 if (!connector)
1313 return 0;
1314
1315 intel_sdvo = to_intel_sdvo(connector);
1316
1317 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1318 &response, 2) && response[0];
1319 }
1320
1321 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1322 {
1323 u8 response[2];
1324 u8 status;
1325 struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);
1326
1327 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1328 intel_sdvo_read_response(intel_sdvo, &response, 2);
1329
1330 if (on) {
1331 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1332 status = intel_sdvo_read_response(intel_sdvo, &response, 2);
1333
1334 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1335 } else {
1336 response[0] = 0;
1337 response[1] = 0;
1338 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1339 }
1340
1341 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1342 intel_sdvo_read_response(intel_sdvo, &response, 2);
1343 }
1344 #endif
1345
1346 static bool
1347 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1348 {
1349 int caps = 0;
1350
1351 if (intel_sdvo->caps.output_flags &
1352 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1353 caps++;
1354 if (intel_sdvo->caps.output_flags &
1355 (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
1356 caps++;
1357 if (intel_sdvo->caps.output_flags &
1358 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
1359 caps++;
1360 if (intel_sdvo->caps.output_flags &
1361 (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
1362 caps++;
1363 if (intel_sdvo->caps.output_flags &
1364 (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
1365 caps++;
1366
1367 if (intel_sdvo->caps.output_flags &
1368 (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
1369 caps++;
1370
1371 if (intel_sdvo->caps.output_flags &
1372 (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
1373 caps++;
1374
1375 return (caps > 1);
1376 }
1377
1378 static struct edid *
1379 intel_sdvo_get_edid(struct drm_connector *connector)
1380 {
1381 struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1382 return drm_get_edid(connector, &sdvo->ddc);
1383 }
1384
1385 static struct drm_connector *
1386 intel_find_analog_connector(struct drm_device *dev)
1387 {
1388 struct drm_connector *connector;
1389 struct intel_sdvo *encoder;
1390
1391 list_for_each_entry(encoder,
1392 &dev->mode_config.encoder_list,
1393 base.base.head) {
1394 if (encoder->base.type == INTEL_OUTPUT_ANALOG) {
1395 list_for_each_entry(connector,
1396 &dev->mode_config.connector_list,
1397 head) {
1398 if (&encoder->base ==
1399 intel_attached_encoder(connector))
1400 return connector;
1401 }
1402 }
1403 }
1404
1405 return NULL;
1406 }
1407
1408 static int
1409 intel_analog_is_connected(struct drm_device *dev)
1410 {
1411 struct drm_connector *analog_connector;
1412
1413 analog_connector = intel_find_analog_connector(dev);
1414 if (!analog_connector)
1415 return false;
1416
1417 if (analog_connector->funcs->detect(analog_connector, false) ==
1418 connector_status_disconnected)
1419 return false;
1420
1421 return true;
1422 }
1423
1424 /* Mac mini hack -- use the same DDC as the analog connector */
1425 static struct edid *
1426 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1427 {
1428 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1429
1430 if (!intel_analog_is_connected(connector->dev))
1431 return NULL;
1432
1433 return drm_get_edid(connector, &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1434 }
1435
1436 enum drm_connector_status
1437 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1438 {
1439 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1440 enum drm_connector_status status;
1441 struct edid *edid;
1442
1443 edid = intel_sdvo_get_edid(connector);
1444
1445 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1446 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1447
1448 /*
1449 * Don't use the 1 as the argument of DDC bus switch to get
1450 * the EDID. It is used for SDVO SPD ROM.
1451 */
1452 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1453 intel_sdvo->ddc_bus = ddc;
1454 edid = intel_sdvo_get_edid(connector);
1455 if (edid)
1456 break;
1457 }
1458 /*
1459 * If we found the EDID on the other bus,
1460 * assume that is the correct DDC bus.
1461 */
1462 if (edid == NULL)
1463 intel_sdvo->ddc_bus = saved_ddc;
1464 }
1465
1466 /*
1467 * When there is no edid and no monitor is connected with VGA
1468 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1469 */
1470 if (edid == NULL)
1471 edid = intel_sdvo_get_analog_edid(connector);
1472
1473 status = connector_status_unknown;
1474 if (edid != NULL) {
1475 /* DDC bus is shared, match EDID to connector type */
1476 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1477 status = connector_status_connected;
1478 intel_sdvo->is_hdmi = drm_detect_hdmi_monitor(edid);
1479 }
1480 connector->display_info.raw_edid = NULL;
1481 kfree(edid);
1482 }
1483
1484 return status;
1485 }
1486
1487 static enum drm_connector_status
1488 intel_sdvo_detect(struct drm_connector *connector, bool force)
1489 {
1490 uint16_t response;
1491 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1492 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1493 enum drm_connector_status ret;
1494
1495 if (!intel_sdvo_write_cmd(intel_sdvo,
1496 SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1497 return connector_status_unknown;
1498 if (intel_sdvo->is_tv) {
1499 /* add 30ms delay when the output type is SDVO-TV */
1500 mdelay(30);
1501 }
1502 if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1503 return connector_status_unknown;
1504
1505 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1506 response & 0xff, response >> 8,
1507 intel_sdvo_connector->output_flag);
1508
1509 if (response == 0)
1510 return connector_status_disconnected;
1511
1512 intel_sdvo->attached_output = response;
1513
1514 if ((intel_sdvo_connector->output_flag & response) == 0)
1515 ret = connector_status_disconnected;
1516 else if (response & SDVO_TMDS_MASK)
1517 ret = intel_sdvo_hdmi_sink_detect(connector);
1518 else
1519 ret = connector_status_connected;
1520
1521 /* May update encoder flag for like clock for SDVO TV, etc.*/
1522 if (ret == connector_status_connected) {
1523 intel_sdvo->is_tv = false;
1524 intel_sdvo->is_lvds = false;
1525 intel_sdvo->base.needs_tv_clock = false;
1526
1527 if (response & SDVO_TV_MASK) {
1528 intel_sdvo->is_tv = true;
1529 intel_sdvo->base.needs_tv_clock = true;
1530 }
1531 if (response & SDVO_LVDS_MASK)
1532 intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1533 }
1534
1535 return ret;
1536 }
1537
1538 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1539 {
1540 struct edid *edid;
1541
1542 /* set the bus switch and get the modes */
1543 edid = intel_sdvo_get_edid(connector);
1544
1545 /*
1546 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1547 * link between analog and digital outputs. So, if the regular SDVO
1548 * DDC fails, check to see if the analog output is disconnected, in
1549 * which case we'll look there for the digital DDC data.
1550 */
1551 if (edid == NULL)
1552 edid = intel_sdvo_get_analog_edid(connector);
1553
1554 if (edid != NULL) {
1555 drm_mode_connector_update_edid_property(connector, edid);
1556 drm_add_edid_modes(connector, edid);
1557 connector->display_info.raw_edid = NULL;
1558 kfree(edid);
1559 }
1560 }
1561
1562 /*
1563 * Set of SDVO TV modes.
1564 * Note! This is in reply order (see loop in get_tv_modes).
1565 * XXX: all 60Hz refresh?
1566 */
1567 struct drm_display_mode sdvo_tv_modes[] = {
1568 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1569 416, 0, 200, 201, 232, 233, 0,
1570 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1571 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1572 416, 0, 240, 241, 272, 273, 0,
1573 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1574 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1575 496, 0, 300, 301, 332, 333, 0,
1576 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1577 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1578 736, 0, 350, 351, 382, 383, 0,
1579 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1580 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1581 736, 0, 400, 401, 432, 433, 0,
1582 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1583 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1584 736, 0, 480, 481, 512, 513, 0,
1585 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1586 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1587 800, 0, 480, 481, 512, 513, 0,
1588 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1589 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1590 800, 0, 576, 577, 608, 609, 0,
1591 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1592 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1593 816, 0, 350, 351, 382, 383, 0,
1594 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1595 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1596 816, 0, 400, 401, 432, 433, 0,
1597 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1598 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1599 816, 0, 480, 481, 512, 513, 0,
1600 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1601 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1602 816, 0, 540, 541, 572, 573, 0,
1603 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1604 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1605 816, 0, 576, 577, 608, 609, 0,
1606 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1607 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1608 864, 0, 576, 577, 608, 609, 0,
1609 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1610 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1611 896, 0, 600, 601, 632, 633, 0,
1612 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1613 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1614 928, 0, 624, 625, 656, 657, 0,
1615 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1616 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1617 1016, 0, 766, 767, 798, 799, 0,
1618 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1619 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1620 1120, 0, 768, 769, 800, 801, 0,
1621 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1622 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1623 1376, 0, 1024, 1025, 1056, 1057, 0,
1624 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1625 };
1626
1627 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1628 {
1629 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1630 struct intel_sdvo_sdtv_resolution_request tv_res;
1631 uint32_t reply = 0, format_map = 0;
1632 int i;
1633
1634 /* Read the list of supported input resolutions for the selected TV
1635 * format.
1636 */
1637 format_map = 1 << intel_sdvo->tv_format_index;
1638 memcpy(&tv_res, &format_map,
1639 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1640
1641 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1642 return;
1643
1644 BUILD_BUG_ON(sizeof(tv_res) != 3);
1645 if (!intel_sdvo_write_cmd(intel_sdvo,
1646 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1647 &tv_res, sizeof(tv_res)))
1648 return;
1649 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1650 return;
1651
1652 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1653 if (reply & (1 << i)) {
1654 struct drm_display_mode *nmode;
1655 nmode = drm_mode_duplicate(connector->dev,
1656 &sdvo_tv_modes[i]);
1657 if (nmode)
1658 drm_mode_probed_add(connector, nmode);
1659 }
1660 }
1661
1662 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1663 {
1664 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1665 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1666 struct drm_display_mode *newmode;
1667
1668 /*
1669 * Attempt to get the mode list from DDC.
1670 * Assume that the preferred modes are
1671 * arranged in priority order.
1672 */
1673 intel_ddc_get_modes(connector, intel_sdvo->i2c);
1674 if (list_empty(&connector->probed_modes) == false)
1675 goto end;
1676
1677 /* Fetch modes from VBT */
1678 if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1679 newmode = drm_mode_duplicate(connector->dev,
1680 dev_priv->sdvo_lvds_vbt_mode);
1681 if (newmode != NULL) {
1682 /* Guarantee the mode is preferred */
1683 newmode->type = (DRM_MODE_TYPE_PREFERRED |
1684 DRM_MODE_TYPE_DRIVER);
1685 drm_mode_probed_add(connector, newmode);
1686 }
1687 }
1688
1689 end:
1690 list_for_each_entry(newmode, &connector->probed_modes, head) {
1691 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1692 intel_sdvo->sdvo_lvds_fixed_mode =
1693 drm_mode_duplicate(connector->dev, newmode);
1694
1695 drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1696 0);
1697
1698 intel_sdvo->is_lvds = true;
1699 break;
1700 }
1701 }
1702
1703 }
1704
1705 static int intel_sdvo_get_modes(struct drm_connector *connector)
1706 {
1707 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1708
1709 if (IS_TV(intel_sdvo_connector))
1710 intel_sdvo_get_tv_modes(connector);
1711 else if (IS_LVDS(intel_sdvo_connector))
1712 intel_sdvo_get_lvds_modes(connector);
1713 else
1714 intel_sdvo_get_ddc_modes(connector);
1715
1716 return !list_empty(&connector->probed_modes);
1717 }
1718
1719 static void
1720 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1721 {
1722 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1723 struct drm_device *dev = connector->dev;
1724
1725 if (intel_sdvo_connector->left)
1726 drm_property_destroy(dev, intel_sdvo_connector->left);
1727 if (intel_sdvo_connector->right)
1728 drm_property_destroy(dev, intel_sdvo_connector->right);
1729 if (intel_sdvo_connector->top)
1730 drm_property_destroy(dev, intel_sdvo_connector->top);
1731 if (intel_sdvo_connector->bottom)
1732 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1733 if (intel_sdvo_connector->hpos)
1734 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1735 if (intel_sdvo_connector->vpos)
1736 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1737 if (intel_sdvo_connector->saturation)
1738 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1739 if (intel_sdvo_connector->contrast)
1740 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1741 if (intel_sdvo_connector->hue)
1742 drm_property_destroy(dev, intel_sdvo_connector->hue);
1743 if (intel_sdvo_connector->sharpness)
1744 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1745 if (intel_sdvo_connector->flicker_filter)
1746 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1747 if (intel_sdvo_connector->flicker_filter_2d)
1748 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1749 if (intel_sdvo_connector->flicker_filter_adaptive)
1750 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1751 if (intel_sdvo_connector->tv_luma_filter)
1752 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1753 if (intel_sdvo_connector->tv_chroma_filter)
1754 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1755 if (intel_sdvo_connector->dot_crawl)
1756 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1757 if (intel_sdvo_connector->brightness)
1758 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1759 }
1760
1761 static void intel_sdvo_destroy(struct drm_connector *connector)
1762 {
1763 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1764
1765 if (intel_sdvo_connector->tv_format)
1766 drm_property_destroy(connector->dev,
1767 intel_sdvo_connector->tv_format);
1768
1769 intel_sdvo_destroy_enhance_property(connector);
1770 drm_sysfs_connector_remove(connector);
1771 drm_connector_cleanup(connector);
1772 kfree(connector);
1773 }
1774
1775 static int
1776 intel_sdvo_set_property(struct drm_connector *connector,
1777 struct drm_property *property,
1778 uint64_t val)
1779 {
1780 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1781 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1782 uint16_t temp_value;
1783 uint8_t cmd;
1784 int ret;
1785
1786 ret = drm_connector_property_set_value(connector, property, val);
1787 if (ret)
1788 return ret;
1789
1790 #define CHECK_PROPERTY(name, NAME) \
1791 if (intel_sdvo_connector->name == property) { \
1792 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1793 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1794 cmd = SDVO_CMD_SET_##NAME; \
1795 intel_sdvo_connector->cur_##name = temp_value; \
1796 goto set_value; \
1797 }
1798
1799 if (property == intel_sdvo_connector->tv_format) {
1800 if (val >= TV_FORMAT_NUM)
1801 return -EINVAL;
1802
1803 if (intel_sdvo->tv_format_index ==
1804 intel_sdvo_connector->tv_format_supported[val])
1805 return 0;
1806
1807 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1808 goto done;
1809 } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1810 temp_value = val;
1811 if (intel_sdvo_connector->left == property) {
1812 drm_connector_property_set_value(connector,
1813 intel_sdvo_connector->right, val);
1814 if (intel_sdvo_connector->left_margin == temp_value)
1815 return 0;
1816
1817 intel_sdvo_connector->left_margin = temp_value;
1818 intel_sdvo_connector->right_margin = temp_value;
1819 temp_value = intel_sdvo_connector->max_hscan -
1820 intel_sdvo_connector->left_margin;
1821 cmd = SDVO_CMD_SET_OVERSCAN_H;
1822 goto set_value;
1823 } else if (intel_sdvo_connector->right == property) {
1824 drm_connector_property_set_value(connector,
1825 intel_sdvo_connector->left, val);
1826 if (intel_sdvo_connector->right_margin == temp_value)
1827 return 0;
1828
1829 intel_sdvo_connector->left_margin = temp_value;
1830 intel_sdvo_connector->right_margin = temp_value;
1831 temp_value = intel_sdvo_connector->max_hscan -
1832 intel_sdvo_connector->left_margin;
1833 cmd = SDVO_CMD_SET_OVERSCAN_H;
1834 goto set_value;
1835 } else if (intel_sdvo_connector->top == property) {
1836 drm_connector_property_set_value(connector,
1837 intel_sdvo_connector->bottom, val);
1838 if (intel_sdvo_connector->top_margin == temp_value)
1839 return 0;
1840
1841 intel_sdvo_connector->top_margin = temp_value;
1842 intel_sdvo_connector->bottom_margin = temp_value;
1843 temp_value = intel_sdvo_connector->max_vscan -
1844 intel_sdvo_connector->top_margin;
1845 cmd = SDVO_CMD_SET_OVERSCAN_V;
1846 goto set_value;
1847 } else if (intel_sdvo_connector->bottom == property) {
1848 drm_connector_property_set_value(connector,
1849 intel_sdvo_connector->top, val);
1850 if (intel_sdvo_connector->bottom_margin == temp_value)
1851 return 0;
1852
1853 intel_sdvo_connector->top_margin = temp_value;
1854 intel_sdvo_connector->bottom_margin = temp_value;
1855 temp_value = intel_sdvo_connector->max_vscan -
1856 intel_sdvo_connector->top_margin;
1857 cmd = SDVO_CMD_SET_OVERSCAN_V;
1858 goto set_value;
1859 }
1860 CHECK_PROPERTY(hpos, HPOS)
1861 CHECK_PROPERTY(vpos, VPOS)
1862 CHECK_PROPERTY(saturation, SATURATION)
1863 CHECK_PROPERTY(contrast, CONTRAST)
1864 CHECK_PROPERTY(hue, HUE)
1865 CHECK_PROPERTY(brightness, BRIGHTNESS)
1866 CHECK_PROPERTY(sharpness, SHARPNESS)
1867 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1868 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1869 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1870 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1871 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1872 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1873 }
1874
1875 return -EINVAL; /* unknown property */
1876
1877 set_value:
1878 if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1879 return -EIO;
1880
1881
1882 done:
1883 if (intel_sdvo->base.base.crtc) {
1884 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1885 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1886 crtc->y, crtc->fb);
1887 }
1888
1889 return 0;
1890 #undef CHECK_PROPERTY
1891 }
1892
1893 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1894 .dpms = intel_sdvo_dpms,
1895 .mode_fixup = intel_sdvo_mode_fixup,
1896 .prepare = intel_encoder_prepare,
1897 .mode_set = intel_sdvo_mode_set,
1898 .commit = intel_encoder_commit,
1899 };
1900
1901 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1902 .dpms = drm_helper_connector_dpms,
1903 .detect = intel_sdvo_detect,
1904 .fill_modes = drm_helper_probe_single_connector_modes,
1905 .set_property = intel_sdvo_set_property,
1906 .destroy = intel_sdvo_destroy,
1907 };
1908
1909 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1910 .get_modes = intel_sdvo_get_modes,
1911 .mode_valid = intel_sdvo_mode_valid,
1912 .best_encoder = intel_best_encoder,
1913 };
1914
1915 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1916 {
1917 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1918
1919 if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1920 drm_mode_destroy(encoder->dev,
1921 intel_sdvo->sdvo_lvds_fixed_mode);
1922
1923 i2c_del_adapter(&intel_sdvo->ddc);
1924 intel_encoder_destroy(encoder);
1925 }
1926
1927 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1928 .destroy = intel_sdvo_enc_destroy,
1929 };
1930
1931 static void
1932 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1933 {
1934 uint16_t mask = 0;
1935 unsigned int num_bits;
1936
1937 /* Make a mask of outputs less than or equal to our own priority in the
1938 * list.
1939 */
1940 switch (sdvo->controlled_output) {
1941 case SDVO_OUTPUT_LVDS1:
1942 mask |= SDVO_OUTPUT_LVDS1;
1943 case SDVO_OUTPUT_LVDS0:
1944 mask |= SDVO_OUTPUT_LVDS0;
1945 case SDVO_OUTPUT_TMDS1:
1946 mask |= SDVO_OUTPUT_TMDS1;
1947 case SDVO_OUTPUT_TMDS0:
1948 mask |= SDVO_OUTPUT_TMDS0;
1949 case SDVO_OUTPUT_RGB1:
1950 mask |= SDVO_OUTPUT_RGB1;
1951 case SDVO_OUTPUT_RGB0:
1952 mask |= SDVO_OUTPUT_RGB0;
1953 break;
1954 }
1955
1956 /* Count bits to find what number we are in the priority list. */
1957 mask &= sdvo->caps.output_flags;
1958 num_bits = hweight16(mask);
1959 /* If more than 3 outputs, default to DDC bus 3 for now. */
1960 if (num_bits > 3)
1961 num_bits = 3;
1962
1963 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1964 sdvo->ddc_bus = 1 << num_bits;
1965 }
1966
1967 /**
1968 * Choose the appropriate DDC bus for control bus switch command for this
1969 * SDVO output based on the controlled output.
1970 *
1971 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1972 * outputs, then LVDS outputs.
1973 */
1974 static void
1975 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1976 struct intel_sdvo *sdvo, u32 reg)
1977 {
1978 struct sdvo_device_mapping *mapping;
1979
1980 if (IS_SDVOB(reg))
1981 mapping = &(dev_priv->sdvo_mappings[0]);
1982 else
1983 mapping = &(dev_priv->sdvo_mappings[1]);
1984
1985 if (mapping->initialized)
1986 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1987 else
1988 intel_sdvo_guess_ddc_bus(sdvo);
1989 }
1990
1991 static void
1992 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1993 struct intel_sdvo *sdvo, u32 reg)
1994 {
1995 struct sdvo_device_mapping *mapping;
1996 u8 pin, speed;
1997
1998 if (IS_SDVOB(reg))
1999 mapping = &dev_priv->sdvo_mappings[0];
2000 else
2001 mapping = &dev_priv->sdvo_mappings[1];
2002
2003 pin = GMBUS_PORT_DPB;
2004 speed = GMBUS_RATE_1MHZ >> 8;
2005 if (mapping->initialized) {
2006 pin = mapping->i2c_pin;
2007 speed = mapping->i2c_speed;
2008 }
2009
2010 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
2011 intel_gmbus_set_speed(sdvo->i2c, speed);
2012 intel_gmbus_force_bit(sdvo->i2c, true);
2013 }
2014
2015 static bool
2016 intel_sdvo_get_digital_encoding_mode(struct intel_sdvo *intel_sdvo, int device)
2017 {
2018 return intel_sdvo_set_target_output(intel_sdvo,
2019 device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1) &&
2020 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
2021 &intel_sdvo->is_hdmi, 1);
2022 }
2023
2024 static u8
2025 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
2026 {
2027 struct drm_i915_private *dev_priv = dev->dev_private;
2028 struct sdvo_device_mapping *my_mapping, *other_mapping;
2029
2030 if (IS_SDVOB(sdvo_reg)) {
2031 my_mapping = &dev_priv->sdvo_mappings[0];
2032 other_mapping = &dev_priv->sdvo_mappings[1];
2033 } else {
2034 my_mapping = &dev_priv->sdvo_mappings[1];
2035 other_mapping = &dev_priv->sdvo_mappings[0];
2036 }
2037
2038 /* If the BIOS described our SDVO device, take advantage of it. */
2039 if (my_mapping->slave_addr)
2040 return my_mapping->slave_addr;
2041
2042 /* If the BIOS only described a different SDVO device, use the
2043 * address that it isn't using.
2044 */
2045 if (other_mapping->slave_addr) {
2046 if (other_mapping->slave_addr == 0x70)
2047 return 0x72;
2048 else
2049 return 0x70;
2050 }
2051
2052 /* No SDVO device info is found for another DVO port,
2053 * so use mapping assumption we had before BIOS parsing.
2054 */
2055 if (IS_SDVOB(sdvo_reg))
2056 return 0x70;
2057 else
2058 return 0x72;
2059 }
2060
2061 static void
2062 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2063 struct intel_sdvo *encoder)
2064 {
2065 drm_connector_init(encoder->base.base.dev,
2066 &connector->base.base,
2067 &intel_sdvo_connector_funcs,
2068 connector->base.base.connector_type);
2069
2070 drm_connector_helper_add(&connector->base.base,
2071 &intel_sdvo_connector_helper_funcs);
2072
2073 connector->base.base.interlace_allowed = 0;
2074 connector->base.base.doublescan_allowed = 0;
2075 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2076
2077 intel_connector_attach_encoder(&connector->base, &encoder->base);
2078 drm_sysfs_connector_add(&connector->base.base);
2079 }
2080
2081 static bool
2082 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2083 {
2084 struct drm_encoder *encoder = &intel_sdvo->base.base;
2085 struct drm_connector *connector;
2086 struct intel_connector *intel_connector;
2087 struct intel_sdvo_connector *intel_sdvo_connector;
2088
2089 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2090 if (!intel_sdvo_connector)
2091 return false;
2092
2093 if (device == 0) {
2094 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2095 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2096 } else if (device == 1) {
2097 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2098 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2099 }
2100
2101 intel_connector = &intel_sdvo_connector->base;
2102 connector = &intel_connector->base;
2103 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2104 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2105 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2106
2107 if (intel_sdvo_get_supp_encode(intel_sdvo, &intel_sdvo->encode)
2108 && intel_sdvo_get_digital_encoding_mode(intel_sdvo, device)
2109 && intel_sdvo->is_hdmi) {
2110 /* enable hdmi encoding mode if supported */
2111 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
2112 intel_sdvo_set_colorimetry(intel_sdvo,
2113 SDVO_COLORIMETRY_RGB256);
2114 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2115 }
2116 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2117 (1 << INTEL_ANALOG_CLONE_BIT));
2118
2119 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2120
2121 return true;
2122 }
2123
2124 static bool
2125 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2126 {
2127 struct drm_encoder *encoder = &intel_sdvo->base.base;
2128 struct drm_connector *connector;
2129 struct intel_connector *intel_connector;
2130 struct intel_sdvo_connector *intel_sdvo_connector;
2131
2132 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2133 if (!intel_sdvo_connector)
2134 return false;
2135
2136 intel_connector = &intel_sdvo_connector->base;
2137 connector = &intel_connector->base;
2138 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2139 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2140
2141 intel_sdvo->controlled_output |= type;
2142 intel_sdvo_connector->output_flag = type;
2143
2144 intel_sdvo->is_tv = true;
2145 intel_sdvo->base.needs_tv_clock = true;
2146 intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2147
2148 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2149
2150 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2151 goto err;
2152
2153 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2154 goto err;
2155
2156 return true;
2157
2158 err:
2159 intel_sdvo_destroy(connector);
2160 return false;
2161 }
2162
2163 static bool
2164 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2165 {
2166 struct drm_encoder *encoder = &intel_sdvo->base.base;
2167 struct drm_connector *connector;
2168 struct intel_connector *intel_connector;
2169 struct intel_sdvo_connector *intel_sdvo_connector;
2170
2171 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2172 if (!intel_sdvo_connector)
2173 return false;
2174
2175 intel_connector = &intel_sdvo_connector->base;
2176 connector = &intel_connector->base;
2177 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2178 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2179 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2180
2181 if (device == 0) {
2182 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2183 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2184 } else if (device == 1) {
2185 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2186 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2187 }
2188
2189 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2190 (1 << INTEL_ANALOG_CLONE_BIT));
2191
2192 intel_sdvo_connector_init(intel_sdvo_connector,
2193 intel_sdvo);
2194 return true;
2195 }
2196
2197 static bool
2198 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2199 {
2200 struct drm_encoder *encoder = &intel_sdvo->base.base;
2201 struct drm_connector *connector;
2202 struct intel_connector *intel_connector;
2203 struct intel_sdvo_connector *intel_sdvo_connector;
2204
2205 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2206 if (!intel_sdvo_connector)
2207 return false;
2208
2209 intel_connector = &intel_sdvo_connector->base;
2210 connector = &intel_connector->base;
2211 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2212 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2213
2214 if (device == 0) {
2215 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2216 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2217 } else if (device == 1) {
2218 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2219 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2220 }
2221
2222 intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2223 (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2224
2225 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2226 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2227 goto err;
2228
2229 return true;
2230
2231 err:
2232 intel_sdvo_destroy(connector);
2233 return false;
2234 }
2235
2236 static bool
2237 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2238 {
2239 intel_sdvo->is_tv = false;
2240 intel_sdvo->base.needs_tv_clock = false;
2241 intel_sdvo->is_lvds = false;
2242
2243 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2244
2245 if (flags & SDVO_OUTPUT_TMDS0)
2246 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2247 return false;
2248
2249 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2250 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2251 return false;
2252
2253 /* TV has no XXX1 function block */
2254 if (flags & SDVO_OUTPUT_SVID0)
2255 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2256 return false;
2257
2258 if (flags & SDVO_OUTPUT_CVBS0)
2259 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2260 return false;
2261
2262 if (flags & SDVO_OUTPUT_RGB0)
2263 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2264 return false;
2265
2266 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2267 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2268 return false;
2269
2270 if (flags & SDVO_OUTPUT_LVDS0)
2271 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2272 return false;
2273
2274 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2275 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2276 return false;
2277
2278 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2279 unsigned char bytes[2];
2280
2281 intel_sdvo->controlled_output = 0;
2282 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2283 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2284 SDVO_NAME(intel_sdvo),
2285 bytes[0], bytes[1]);
2286 return false;
2287 }
2288 intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2289
2290 return true;
2291 }
2292
2293 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2294 struct intel_sdvo_connector *intel_sdvo_connector,
2295 int type)
2296 {
2297 struct drm_device *dev = intel_sdvo->base.base.dev;
2298 struct intel_sdvo_tv_format format;
2299 uint32_t format_map, i;
2300
2301 if (!intel_sdvo_set_target_output(intel_sdvo, type))
2302 return false;
2303
2304 if (!intel_sdvo_get_value(intel_sdvo,
2305 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2306 &format, sizeof(format)))
2307 return false;
2308
2309 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2310
2311 if (format_map == 0)
2312 return false;
2313
2314 intel_sdvo_connector->format_supported_num = 0;
2315 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2316 if (format_map & (1 << i))
2317 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2318
2319
2320 intel_sdvo_connector->tv_format =
2321 drm_property_create(dev, DRM_MODE_PROP_ENUM,
2322 "mode", intel_sdvo_connector->format_supported_num);
2323 if (!intel_sdvo_connector->tv_format)
2324 return false;
2325
2326 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2327 drm_property_add_enum(
2328 intel_sdvo_connector->tv_format, i,
2329 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2330
2331 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2332 drm_connector_attach_property(&intel_sdvo_connector->base.base,
2333 intel_sdvo_connector->tv_format, 0);
2334 return true;
2335
2336 }
2337
2338 #define ENHANCEMENT(name, NAME) do { \
2339 if (enhancements.name) { \
2340 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2341 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2342 return false; \
2343 intel_sdvo_connector->max_##name = data_value[0]; \
2344 intel_sdvo_connector->cur_##name = response; \
2345 intel_sdvo_connector->name = \
2346 drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \
2347 if (!intel_sdvo_connector->name) return false; \
2348 intel_sdvo_connector->name->values[0] = 0; \
2349 intel_sdvo_connector->name->values[1] = data_value[0]; \
2350 drm_connector_attach_property(connector, \
2351 intel_sdvo_connector->name, \
2352 intel_sdvo_connector->cur_##name); \
2353 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2354 data_value[0], data_value[1], response); \
2355 } \
2356 } while(0)
2357
2358 static bool
2359 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2360 struct intel_sdvo_connector *intel_sdvo_connector,
2361 struct intel_sdvo_enhancements_reply enhancements)
2362 {
2363 struct drm_device *dev = intel_sdvo->base.base.dev;
2364 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2365 uint16_t response, data_value[2];
2366
2367 /* when horizontal overscan is supported, Add the left/right property */
2368 if (enhancements.overscan_h) {
2369 if (!intel_sdvo_get_value(intel_sdvo,
2370 SDVO_CMD_GET_MAX_OVERSCAN_H,
2371 &data_value, 4))
2372 return false;
2373
2374 if (!intel_sdvo_get_value(intel_sdvo,
2375 SDVO_CMD_GET_OVERSCAN_H,
2376 &response, 2))
2377 return false;
2378
2379 intel_sdvo_connector->max_hscan = data_value[0];
2380 intel_sdvo_connector->left_margin = data_value[0] - response;
2381 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2382 intel_sdvo_connector->left =
2383 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2384 "left_margin", 2);
2385 if (!intel_sdvo_connector->left)
2386 return false;
2387
2388 intel_sdvo_connector->left->values[0] = 0;
2389 intel_sdvo_connector->left->values[1] = data_value[0];
2390 drm_connector_attach_property(connector,
2391 intel_sdvo_connector->left,
2392 intel_sdvo_connector->left_margin);
2393
2394 intel_sdvo_connector->right =
2395 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2396 "right_margin", 2);
2397 if (!intel_sdvo_connector->right)
2398 return false;
2399
2400 intel_sdvo_connector->right->values[0] = 0;
2401 intel_sdvo_connector->right->values[1] = data_value[0];
2402 drm_connector_attach_property(connector,
2403 intel_sdvo_connector->right,
2404 intel_sdvo_connector->right_margin);
2405 DRM_DEBUG_KMS("h_overscan: max %d, "
2406 "default %d, current %d\n",
2407 data_value[0], data_value[1], response);
2408 }
2409
2410 if (enhancements.overscan_v) {
2411 if (!intel_sdvo_get_value(intel_sdvo,
2412 SDVO_CMD_GET_MAX_OVERSCAN_V,
2413 &data_value, 4))
2414 return false;
2415
2416 if (!intel_sdvo_get_value(intel_sdvo,
2417 SDVO_CMD_GET_OVERSCAN_V,
2418 &response, 2))
2419 return false;
2420
2421 intel_sdvo_connector->max_vscan = data_value[0];
2422 intel_sdvo_connector->top_margin = data_value[0] - response;
2423 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2424 intel_sdvo_connector->top =
2425 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2426 "top_margin", 2);
2427 if (!intel_sdvo_connector->top)
2428 return false;
2429
2430 intel_sdvo_connector->top->values[0] = 0;
2431 intel_sdvo_connector->top->values[1] = data_value[0];
2432 drm_connector_attach_property(connector,
2433 intel_sdvo_connector->top,
2434 intel_sdvo_connector->top_margin);
2435
2436 intel_sdvo_connector->bottom =
2437 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2438 "bottom_margin", 2);
2439 if (!intel_sdvo_connector->bottom)
2440 return false;
2441
2442 intel_sdvo_connector->bottom->values[0] = 0;
2443 intel_sdvo_connector->bottom->values[1] = data_value[0];
2444 drm_connector_attach_property(connector,
2445 intel_sdvo_connector->bottom,
2446 intel_sdvo_connector->bottom_margin);
2447 DRM_DEBUG_KMS("v_overscan: max %d, "
2448 "default %d, current %d\n",
2449 data_value[0], data_value[1], response);
2450 }
2451
2452 ENHANCEMENT(hpos, HPOS);
2453 ENHANCEMENT(vpos, VPOS);
2454 ENHANCEMENT(saturation, SATURATION);
2455 ENHANCEMENT(contrast, CONTRAST);
2456 ENHANCEMENT(hue, HUE);
2457 ENHANCEMENT(sharpness, SHARPNESS);
2458 ENHANCEMENT(brightness, BRIGHTNESS);
2459 ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2460 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2461 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2462 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2463 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2464
2465 if (enhancements.dot_crawl) {
2466 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2467 return false;
2468
2469 intel_sdvo_connector->max_dot_crawl = 1;
2470 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2471 intel_sdvo_connector->dot_crawl =
2472 drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
2473 if (!intel_sdvo_connector->dot_crawl)
2474 return false;
2475
2476 intel_sdvo_connector->dot_crawl->values[0] = 0;
2477 intel_sdvo_connector->dot_crawl->values[1] = 1;
2478 drm_connector_attach_property(connector,
2479 intel_sdvo_connector->dot_crawl,
2480 intel_sdvo_connector->cur_dot_crawl);
2481 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2482 }
2483
2484 return true;
2485 }
2486
2487 static bool
2488 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2489 struct intel_sdvo_connector *intel_sdvo_connector,
2490 struct intel_sdvo_enhancements_reply enhancements)
2491 {
2492 struct drm_device *dev = intel_sdvo->base.base.dev;
2493 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2494 uint16_t response, data_value[2];
2495
2496 ENHANCEMENT(brightness, BRIGHTNESS);
2497
2498 return true;
2499 }
2500 #undef ENHANCEMENT
2501
2502 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2503 struct intel_sdvo_connector *intel_sdvo_connector)
2504 {
2505 union {
2506 struct intel_sdvo_enhancements_reply reply;
2507 uint16_t response;
2508 } enhancements;
2509
2510 enhancements.response = 0;
2511 intel_sdvo_get_value(intel_sdvo,
2512 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2513 &enhancements, sizeof(enhancements));
2514 if (enhancements.response == 0) {
2515 DRM_DEBUG_KMS("No enhancement is supported\n");
2516 return true;
2517 }
2518
2519 if (IS_TV(intel_sdvo_connector))
2520 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2521 else if(IS_LVDS(intel_sdvo_connector))
2522 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2523 else
2524 return true;
2525 }
2526
2527 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2528 struct i2c_msg *msgs,
2529 int num)
2530 {
2531 struct intel_sdvo *sdvo = adapter->algo_data;
2532
2533 if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2534 return -EIO;
2535
2536 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2537 }
2538
2539 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2540 {
2541 struct intel_sdvo *sdvo = adapter->algo_data;
2542 return sdvo->i2c->algo->functionality(sdvo->i2c);
2543 }
2544
2545 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2546 .master_xfer = intel_sdvo_ddc_proxy_xfer,
2547 .functionality = intel_sdvo_ddc_proxy_func
2548 };
2549
2550 static bool
2551 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2552 struct drm_device *dev)
2553 {
2554 sdvo->ddc.owner = THIS_MODULE;
2555 sdvo->ddc.class = I2C_CLASS_DDC;
2556 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2557 sdvo->ddc.dev.parent = &dev->pdev->dev;
2558 sdvo->ddc.algo_data = sdvo;
2559 sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2560
2561 return i2c_add_adapter(&sdvo->ddc) == 0;
2562 }
2563
2564 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2565 {
2566 struct drm_i915_private *dev_priv = dev->dev_private;
2567 struct intel_encoder *intel_encoder;
2568 struct intel_sdvo *intel_sdvo;
2569 int i;
2570
2571 intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2572 if (!intel_sdvo)
2573 return false;
2574
2575 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2576 kfree(intel_sdvo);
2577 return false;
2578 }
2579
2580 intel_sdvo->sdvo_reg = sdvo_reg;
2581
2582 intel_encoder = &intel_sdvo->base;
2583 intel_encoder->type = INTEL_OUTPUT_SDVO;
2584 /* encoder type will be decided later */
2585 drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2586
2587 intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2588 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2589
2590 /* Read the regs to test if we can talk to the device */
2591 for (i = 0; i < 0x40; i++) {
2592 u8 byte;
2593
2594 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2595 DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2596 IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2597 goto err;
2598 }
2599 }
2600
2601 if (IS_SDVOB(sdvo_reg))
2602 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2603 else
2604 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2605
2606 drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2607
2608 /* In default case sdvo lvds is false */
2609 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2610 goto err;
2611
2612 if (intel_sdvo_output_setup(intel_sdvo,
2613 intel_sdvo->caps.output_flags) != true) {
2614 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2615 IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2616 goto err;
2617 }
2618
2619 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2620
2621 /* Set the input timing to the screen. Assume always input 0. */
2622 if (!intel_sdvo_set_target_input(intel_sdvo))
2623 goto err;
2624
2625 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2626 &intel_sdvo->pixel_clock_min,
2627 &intel_sdvo->pixel_clock_max))
2628 goto err;
2629
2630 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2631 "clock range %dMHz - %dMHz, "
2632 "input 1: %c, input 2: %c, "
2633 "output 1: %c, output 2: %c\n",
2634 SDVO_NAME(intel_sdvo),
2635 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2636 intel_sdvo->caps.device_rev_id,
2637 intel_sdvo->pixel_clock_min / 1000,
2638 intel_sdvo->pixel_clock_max / 1000,
2639 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2640 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2641 /* check currently supported outputs */
2642 intel_sdvo->caps.output_flags &
2643 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2644 intel_sdvo->caps.output_flags &
2645 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2646 return true;
2647
2648 err:
2649 drm_encoder_cleanup(&intel_encoder->base);
2650 i2c_del_adapter(&intel_sdvo->ddc);
2651 kfree(intel_sdvo);
2652
2653 return false;
2654 }
Linux kernel - Deliverables
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