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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / drivers / gpu / drm / i915 / intel_sdvo.c
blob6348c499616f08449d164626b6f818c43a87780d
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_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
50 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
51 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
52
53
54 static const char *tv_format_names[] = {
55 "NTSC_M" , "NTSC_J" , "NTSC_443",
56 "PAL_B" , "PAL_D" , "PAL_G" ,
57 "PAL_H" , "PAL_I" , "PAL_M" ,
58 "PAL_N" , "PAL_NC" , "PAL_60" ,
59 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
60 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
61 "SECAM_60"
62 };
63
64 #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
65
66 struct intel_sdvo {
67 struct intel_encoder base;
68
69 struct i2c_adapter *i2c;
70 u8 slave_addr;
71
72 struct i2c_adapter ddc;
73
74 /* Register for the SDVO device: SDVOB or SDVOC */
75 int sdvo_reg;
76
77 /* Active outputs controlled by this SDVO output */
78 uint16_t controlled_output;
79
80 /*
81 * Capabilities of the SDVO device returned by
82 * i830_sdvo_get_capabilities()
83 */
84 struct intel_sdvo_caps caps;
85
86 /* Pixel clock limitations reported by the SDVO device, in kHz */
87 int pixel_clock_min, pixel_clock_max;
88
89 /*
90 * For multiple function SDVO device,
91 * this is for current attached outputs.
92 */
93 uint16_t attached_output;
94
95 /*
96 * Hotplug activation bits for this device
97 */
98 uint8_t hotplug_active[2];
99
100 /**
101 * This is used to select the color range of RBG outputs in HDMI mode.
102 * It is only valid when using TMDS encoding and 8 bit per color mode.
103 */
104 uint32_t color_range;
105
106 /**
107 * This is set if we're going to treat the device as TV-out.
108 *
109 * While we have these nice friendly flags for output types that ought
110 * to decide this for us, the S-Video output on our HDMI+S-Video card
111 * shows up as RGB1 (VGA).
112 */
113 bool is_tv;
114
115 /* This is for current tv format name */
116 int tv_format_index;
117
118 /**
119 * This is set if we treat the device as HDMI, instead of DVI.
120 */
121 bool is_hdmi;
122 bool has_hdmi_monitor;
123 bool has_hdmi_audio;
124
125 /**
126 * This is set if we detect output of sdvo device as LVDS and
127 * have a valid fixed mode to use with the panel.
128 */
129 bool is_lvds;
130
131 /**
132 * This is sdvo fixed pannel mode pointer
133 */
134 struct drm_display_mode *sdvo_lvds_fixed_mode;
135
136 /* DDC bus used by this SDVO encoder */
137 uint8_t ddc_bus;
138
139 /* Input timings for adjusted_mode */
140 struct intel_sdvo_dtd input_dtd;
141 };
142
143 struct intel_sdvo_connector {
144 struct intel_connector base;
145
146 /* Mark the type of connector */
147 uint16_t output_flag;
148
149 int force_audio;
150
151 /* This contains all current supported TV format */
152 u8 tv_format_supported[TV_FORMAT_NUM];
153 int format_supported_num;
154 struct drm_property *tv_format;
155
156 /* add the property for the SDVO-TV */
157 struct drm_property *left;
158 struct drm_property *right;
159 struct drm_property *top;
160 struct drm_property *bottom;
161 struct drm_property *hpos;
162 struct drm_property *vpos;
163 struct drm_property *contrast;
164 struct drm_property *saturation;
165 struct drm_property *hue;
166 struct drm_property *sharpness;
167 struct drm_property *flicker_filter;
168 struct drm_property *flicker_filter_adaptive;
169 struct drm_property *flicker_filter_2d;
170 struct drm_property *tv_chroma_filter;
171 struct drm_property *tv_luma_filter;
172 struct drm_property *dot_crawl;
173
174 /* add the property for the SDVO-TV/LVDS */
175 struct drm_property *brightness;
176
177 /* Add variable to record current setting for the above property */
178 u32 left_margin, right_margin, top_margin, bottom_margin;
179
180 /* this is to get the range of margin.*/
181 u32 max_hscan, max_vscan;
182 u32 max_hpos, cur_hpos;
183 u32 max_vpos, cur_vpos;
184 u32 cur_brightness, max_brightness;
185 u32 cur_contrast, max_contrast;
186 u32 cur_saturation, max_saturation;
187 u32 cur_hue, max_hue;
188 u32 cur_sharpness, max_sharpness;
189 u32 cur_flicker_filter, max_flicker_filter;
190 u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
191 u32 cur_flicker_filter_2d, max_flicker_filter_2d;
192 u32 cur_tv_chroma_filter, max_tv_chroma_filter;
193 u32 cur_tv_luma_filter, max_tv_luma_filter;
194 u32 cur_dot_crawl, max_dot_crawl;
195 };
196
197 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
198 {
199 return container_of(encoder, struct intel_sdvo, base.base);
200 }
201
202 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
203 {
204 return container_of(intel_attached_encoder(connector),
205 struct intel_sdvo, base);
206 }
207
208 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
209 {
210 return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
211 }
212
213 static bool
214 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
215 static bool
216 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
217 struct intel_sdvo_connector *intel_sdvo_connector,
218 int type);
219 static bool
220 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
221 struct intel_sdvo_connector *intel_sdvo_connector);
222
223 /**
224 * Writes the SDVOB or SDVOC with the given value, but always writes both
225 * SDVOB and SDVOC to work around apparent hardware issues (according to
226 * comments in the BIOS).
227 */
228 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
229 {
230 struct drm_device *dev = intel_sdvo->base.base.dev;
231 struct drm_i915_private *dev_priv = dev->dev_private;
232 u32 bval = val, cval = val;
233 int i;
234
235 if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
236 I915_WRITE(intel_sdvo->sdvo_reg, val);
237 I915_READ(intel_sdvo->sdvo_reg);
238 return;
239 }
240
241 if (intel_sdvo->sdvo_reg == SDVOB) {
242 cval = I915_READ(SDVOC);
243 } else {
244 bval = I915_READ(SDVOB);
245 }
246 /*
247 * Write the registers twice for luck. Sometimes,
248 * writing them only once doesn't appear to 'stick'.
249 * The BIOS does this too. Yay, magic
250 */
251 for (i = 0; i < 2; i++)
252 {
253 I915_WRITE(SDVOB, bval);
254 I915_READ(SDVOB);
255 I915_WRITE(SDVOC, cval);
256 I915_READ(SDVOC);
257 }
258 }
259
260 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
261 {
262 struct i2c_msg msgs[] = {
263 {
264 .addr = intel_sdvo->slave_addr,
265 .flags = 0,
266 .len = 1,
267 .buf = &addr,
268 },
269 {
270 .addr = intel_sdvo->slave_addr,
271 .flags = I2C_M_RD,
272 .len = 1,
273 .buf = ch,
274 }
275 };
276 int ret;
277
278 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
279 return true;
280
281 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
282 return false;
283 }
284
285 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
286 /** Mapping of command numbers to names, for debug output */
287 static const struct _sdvo_cmd_name {
288 u8 cmd;
289 const char *name;
290 } sdvo_cmd_names[] = {
291 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
292 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
293 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
294 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
295 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
296 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
297 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
334
335 /* Add the op code for SDVO enhancements */
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
380
381 /* HDMI op code */
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
387 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
388 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
398 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
399 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
400 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
401 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
402 };
403
404 #define IS_SDVOB(reg) (reg == SDVOB || reg == PCH_SDVOB)
405 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
406
407 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
408 const void *args, int args_len)
409 {
410 int i;
411
412 DRM_DEBUG_KMS("%s: W: %02X ",
413 SDVO_NAME(intel_sdvo), cmd);
414 for (i = 0; i < args_len; i++)
415 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
416 for (; i < 8; i++)
417 DRM_LOG_KMS(" ");
418 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
419 if (cmd == sdvo_cmd_names[i].cmd) {
420 DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
421 break;
422 }
423 }
424 if (i == ARRAY_SIZE(sdvo_cmd_names))
425 DRM_LOG_KMS("(%02X)", cmd);
426 DRM_LOG_KMS("\n");
427 }
428
429 static const char *cmd_status_names[] = {
430 "Power on",
431 "Success",
432 "Not supported",
433 "Invalid arg",
434 "Pending",
435 "Target not specified",
436 "Scaling not supported"
437 };
438
439 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
440 const void *args, int args_len)
441 {
442 u8 buf[args_len*2 + 2], status;
443 struct i2c_msg msgs[args_len + 3];
444 int i, ret;
445
446 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
447
448 for (i = 0; i < args_len; i++) {
449 msgs[i].addr = intel_sdvo->slave_addr;
450 msgs[i].flags = 0;
451 msgs[i].len = 2;
452 msgs[i].buf = buf + 2 *i;
453 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
454 buf[2*i + 1] = ((u8*)args)[i];
455 }
456 msgs[i].addr = intel_sdvo->slave_addr;
457 msgs[i].flags = 0;
458 msgs[i].len = 2;
459 msgs[i].buf = buf + 2*i;
460 buf[2*i + 0] = SDVO_I2C_OPCODE;
461 buf[2*i + 1] = cmd;
462
463 /* the following two are to read the response */
464 status = SDVO_I2C_CMD_STATUS;
465 msgs[i+1].addr = intel_sdvo->slave_addr;
466 msgs[i+1].flags = 0;
467 msgs[i+1].len = 1;
468 msgs[i+1].buf = &status;
469
470 msgs[i+2].addr = intel_sdvo->slave_addr;
471 msgs[i+2].flags = I2C_M_RD;
472 msgs[i+2].len = 1;
473 msgs[i+2].buf = &status;
474
475 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
476 if (ret < 0) {
477 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
478 return false;
479 }
480 if (ret != i+3) {
481 /* failure in I2C transfer */
482 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
483 return false;
484 }
485
486 return true;
487 }
488
489 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
490 void *response, int response_len)
491 {
492 u8 retry = 5;
493 u8 status;
494 int i;
495
496 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
497
498 /*
499 * The documentation states that all commands will be
500 * processed within 15µs, and that we need only poll
501 * the status byte a maximum of 3 times in order for the
502 * command to be complete.
503 *
504 * Check 5 times in case the hardware failed to read the docs.
505 */
506 if (!intel_sdvo_read_byte(intel_sdvo,
507 SDVO_I2C_CMD_STATUS,
508 &status))
509 goto log_fail;
510
511 while (status == SDVO_CMD_STATUS_PENDING && retry--) {
512 udelay(15);
513 if (!intel_sdvo_read_byte(intel_sdvo,
514 SDVO_I2C_CMD_STATUS,
515 &status))
516 goto log_fail;
517 }
518
519 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
520 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
521 else
522 DRM_LOG_KMS("(??? %d)", status);
523
524 if (status != SDVO_CMD_STATUS_SUCCESS)
525 goto log_fail;
526
527 /* Read the command response */
528 for (i = 0; i < response_len; i++) {
529 if (!intel_sdvo_read_byte(intel_sdvo,
530 SDVO_I2C_RETURN_0 + i,
531 &((u8 *)response)[i]))
532 goto log_fail;
533 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
534 }
535 DRM_LOG_KMS("\n");
536 return true;
537
538 log_fail:
539 DRM_LOG_KMS("... failed\n");
540 return false;
541 }
542
543 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
544 {
545 if (mode->clock >= 100000)
546 return 1;
547 else if (mode->clock >= 50000)
548 return 2;
549 else
550 return 4;
551 }
552
553 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
554 u8 ddc_bus)
555 {
556 /* This must be the immediately preceding write before the i2c xfer */
557 return intel_sdvo_write_cmd(intel_sdvo,
558 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
559 &ddc_bus, 1);
560 }
561
562 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
563 {
564 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
565 return false;
566
567 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
568 }
569
570 static bool
571 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
572 {
573 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
574 return false;
575
576 return intel_sdvo_read_response(intel_sdvo, value, len);
577 }
578
579 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
580 {
581 struct intel_sdvo_set_target_input_args targets = {0};
582 return intel_sdvo_set_value(intel_sdvo,
583 SDVO_CMD_SET_TARGET_INPUT,
584 &targets, sizeof(targets));
585 }
586
587 /**
588 * Return whether each input is trained.
589 *
590 * This function is making an assumption about the layout of the response,
591 * which should be checked against the docs.
592 */
593 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
594 {
595 struct intel_sdvo_get_trained_inputs_response response;
596
597 BUILD_BUG_ON(sizeof(response) != 1);
598 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
599 &response, sizeof(response)))
600 return false;
601
602 *input_1 = response.input0_trained;
603 *input_2 = response.input1_trained;
604 return true;
605 }
606
607 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
608 u16 outputs)
609 {
610 return intel_sdvo_set_value(intel_sdvo,
611 SDVO_CMD_SET_ACTIVE_OUTPUTS,
612 &outputs, sizeof(outputs));
613 }
614
615 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
616 int mode)
617 {
618 u8 state = SDVO_ENCODER_STATE_ON;
619
620 switch (mode) {
621 case DRM_MODE_DPMS_ON:
622 state = SDVO_ENCODER_STATE_ON;
623 break;
624 case DRM_MODE_DPMS_STANDBY:
625 state = SDVO_ENCODER_STATE_STANDBY;
626 break;
627 case DRM_MODE_DPMS_SUSPEND:
628 state = SDVO_ENCODER_STATE_SUSPEND;
629 break;
630 case DRM_MODE_DPMS_OFF:
631 state = SDVO_ENCODER_STATE_OFF;
632 break;
633 }
634
635 return intel_sdvo_set_value(intel_sdvo,
636 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
637 }
638
639 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
640 int *clock_min,
641 int *clock_max)
642 {
643 struct intel_sdvo_pixel_clock_range clocks;
644
645 BUILD_BUG_ON(sizeof(clocks) != 4);
646 if (!intel_sdvo_get_value(intel_sdvo,
647 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
648 &clocks, sizeof(clocks)))
649 return false;
650
651 /* Convert the values from units of 10 kHz to kHz. */
652 *clock_min = clocks.min * 10;
653 *clock_max = clocks.max * 10;
654 return true;
655 }
656
657 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
658 u16 outputs)
659 {
660 return intel_sdvo_set_value(intel_sdvo,
661 SDVO_CMD_SET_TARGET_OUTPUT,
662 &outputs, sizeof(outputs));
663 }
664
665 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
666 struct intel_sdvo_dtd *dtd)
667 {
668 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
669 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
670 }
671
672 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
673 struct intel_sdvo_dtd *dtd)
674 {
675 return intel_sdvo_set_timing(intel_sdvo,
676 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
677 }
678
679 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
680 struct intel_sdvo_dtd *dtd)
681 {
682 return intel_sdvo_set_timing(intel_sdvo,
683 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
684 }
685
686 static bool
687 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
688 uint16_t clock,
689 uint16_t width,
690 uint16_t height)
691 {
692 struct intel_sdvo_preferred_input_timing_args args;
693
694 memset(&args, 0, sizeof(args));
695 args.clock = clock;
696 args.width = width;
697 args.height = height;
698 args.interlace = 0;
699
700 if (intel_sdvo->is_lvds &&
701 (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
702 intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
703 args.scaled = 1;
704
705 return intel_sdvo_set_value(intel_sdvo,
706 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
707 &args, sizeof(args));
708 }
709
710 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
711 struct intel_sdvo_dtd *dtd)
712 {
713 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
714 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
715 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
716 &dtd->part1, sizeof(dtd->part1)) &&
717 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
718 &dtd->part2, sizeof(dtd->part2));
719 }
720
721 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
722 {
723 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
724 }
725
726 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
727 const struct drm_display_mode *mode)
728 {
729 uint16_t width, height;
730 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
731 uint16_t h_sync_offset, v_sync_offset;
732
733 width = mode->crtc_hdisplay;
734 height = mode->crtc_vdisplay;
735
736 /* do some mode translations */
737 h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
738 h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
739
740 v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
741 v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
742
743 h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
744 v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
745
746 dtd->part1.clock = mode->clock / 10;
747 dtd->part1.h_active = width & 0xff;
748 dtd->part1.h_blank = h_blank_len & 0xff;
749 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
750 ((h_blank_len >> 8) & 0xf);
751 dtd->part1.v_active = height & 0xff;
752 dtd->part1.v_blank = v_blank_len & 0xff;
753 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
754 ((v_blank_len >> 8) & 0xf);
755
756 dtd->part2.h_sync_off = h_sync_offset & 0xff;
757 dtd->part2.h_sync_width = h_sync_len & 0xff;
758 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
759 (v_sync_len & 0xf);
760 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
761 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
762 ((v_sync_len & 0x30) >> 4);
763
764 dtd->part2.dtd_flags = 0x18;
765 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
766 dtd->part2.dtd_flags |= 0x2;
767 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
768 dtd->part2.dtd_flags |= 0x4;
769
770 dtd->part2.sdvo_flags = 0;
771 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
772 dtd->part2.reserved = 0;
773 }
774
775 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
776 const struct intel_sdvo_dtd *dtd)
777 {
778 mode->hdisplay = dtd->part1.h_active;
779 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
780 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
781 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
782 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
783 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
784 mode->htotal = mode->hdisplay + dtd->part1.h_blank;
785 mode->htotal += (dtd->part1.h_high & 0xf) << 8;
786
787 mode->vdisplay = dtd->part1.v_active;
788 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
789 mode->vsync_start = mode->vdisplay;
790 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
791 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
792 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
793 mode->vsync_end = mode->vsync_start +
794 (dtd->part2.v_sync_off_width & 0xf);
795 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
796 mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
797 mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
798
799 mode->clock = dtd->part1.clock * 10;
800
801 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
802 if (dtd->part2.dtd_flags & 0x2)
803 mode->flags |= DRM_MODE_FLAG_PHSYNC;
804 if (dtd->part2.dtd_flags & 0x4)
805 mode->flags |= DRM_MODE_FLAG_PVSYNC;
806 }
807
808 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
809 {
810 struct intel_sdvo_encode encode;
811
812 BUILD_BUG_ON(sizeof(encode) != 2);
813 return intel_sdvo_get_value(intel_sdvo,
814 SDVO_CMD_GET_SUPP_ENCODE,
815 &encode, sizeof(encode));
816 }
817
818 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
819 uint8_t mode)
820 {
821 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
822 }
823
824 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
825 uint8_t mode)
826 {
827 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
828 }
829
830 #if 0
831 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
832 {
833 int i, j;
834 uint8_t set_buf_index[2];
835 uint8_t av_split;
836 uint8_t buf_size;
837 uint8_t buf[48];
838 uint8_t *pos;
839
840 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
841
842 for (i = 0; i <= av_split; i++) {
843 set_buf_index[0] = i; set_buf_index[1] = 0;
844 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
845 set_buf_index, 2);
846 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
847 intel_sdvo_read_response(encoder, &buf_size, 1);
848
849 pos = buf;
850 for (j = 0; j <= buf_size; j += 8) {
851 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
852 NULL, 0);
853 intel_sdvo_read_response(encoder, pos, 8);
854 pos += 8;
855 }
856 }
857 }
858 #endif
859
860 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
861 {
862 struct dip_infoframe avi_if = {
863 .type = DIP_TYPE_AVI,
864 .ver = DIP_VERSION_AVI,
865 .len = DIP_LEN_AVI,
866 };
867 uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
868 uint8_t set_buf_index[2] = { 1, 0 };
869 uint64_t *data = (uint64_t *)&avi_if;
870 unsigned i;
871
872 intel_dip_infoframe_csum(&avi_if);
873
874 if (!intel_sdvo_set_value(intel_sdvo,
875 SDVO_CMD_SET_HBUF_INDEX,
876 set_buf_index, 2))
877 return false;
878
879 for (i = 0; i < sizeof(avi_if); i += 8) {
880 if (!intel_sdvo_set_value(intel_sdvo,
881 SDVO_CMD_SET_HBUF_DATA,
882 data, 8))
883 return false;
884 data++;
885 }
886
887 return intel_sdvo_set_value(intel_sdvo,
888 SDVO_CMD_SET_HBUF_TXRATE,
889 &tx_rate, 1);
890 }
891
892 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
893 {
894 struct intel_sdvo_tv_format format;
895 uint32_t format_map;
896
897 format_map = 1 << intel_sdvo->tv_format_index;
898 memset(&format, 0, sizeof(format));
899 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
900
901 BUILD_BUG_ON(sizeof(format) != 6);
902 return intel_sdvo_set_value(intel_sdvo,
903 SDVO_CMD_SET_TV_FORMAT,
904 &format, sizeof(format));
905 }
906
907 static bool
908 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
909 struct drm_display_mode *mode)
910 {
911 struct intel_sdvo_dtd output_dtd;
912
913 if (!intel_sdvo_set_target_output(intel_sdvo,
914 intel_sdvo->attached_output))
915 return false;
916
917 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
918 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
919 return false;
920
921 return true;
922 }
923
924 static bool
925 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
926 struct drm_display_mode *mode,
927 struct drm_display_mode *adjusted_mode)
928 {
929 /* Reset the input timing to the screen. Assume always input 0. */
930 if (!intel_sdvo_set_target_input(intel_sdvo))
931 return false;
932
933 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
934 mode->clock / 10,
935 mode->hdisplay,
936 mode->vdisplay))
937 return false;
938
939 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
940 &intel_sdvo->input_dtd))
941 return false;
942
943 intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
944
945 drm_mode_set_crtcinfo(adjusted_mode, 0);
946 return true;
947 }
948
949 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
950 struct drm_display_mode *mode,
951 struct drm_display_mode *adjusted_mode)
952 {
953 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
954 int multiplier;
955
956 /* We need to construct preferred input timings based on our
957 * output timings. To do that, we have to set the output
958 * timings, even though this isn't really the right place in
959 * the sequence to do it. Oh well.
960 */
961 if (intel_sdvo->is_tv) {
962 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
963 return false;
964
965 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
966 mode,
967 adjusted_mode);
968 } else if (intel_sdvo->is_lvds) {
969 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
970 intel_sdvo->sdvo_lvds_fixed_mode))
971 return false;
972
973 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
974 mode,
975 adjusted_mode);
976 }
977
978 /* Make the CRTC code factor in the SDVO pixel multiplier. The
979 * SDVO device will factor out the multiplier during mode_set.
980 */
981 multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
982 intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
983
984 return true;
985 }
986
987 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
988 struct drm_display_mode *mode,
989 struct drm_display_mode *adjusted_mode)
990 {
991 struct drm_device *dev = encoder->dev;
992 struct drm_i915_private *dev_priv = dev->dev_private;
993 struct drm_crtc *crtc = encoder->crtc;
994 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
995 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
996 u32 sdvox;
997 struct intel_sdvo_in_out_map in_out;
998 struct intel_sdvo_dtd input_dtd;
999 int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1000 int rate;
1001
1002 if (!mode)
1003 return;
1004
1005 /* First, set the input mapping for the first input to our controlled
1006 * output. This is only correct if we're a single-input device, in
1007 * which case the first input is the output from the appropriate SDVO
1008 * channel on the motherboard. In a two-input device, the first input
1009 * will be SDVOB and the second SDVOC.
1010 */
1011 in_out.in0 = intel_sdvo->attached_output;
1012 in_out.in1 = 0;
1013
1014 intel_sdvo_set_value(intel_sdvo,
1015 SDVO_CMD_SET_IN_OUT_MAP,
1016 &in_out, sizeof(in_out));
1017
1018 /* Set the output timings to the screen */
1019 if (!intel_sdvo_set_target_output(intel_sdvo,
1020 intel_sdvo->attached_output))
1021 return;
1022
1023 /* We have tried to get input timing in mode_fixup, and filled into
1024 * adjusted_mode.
1025 */
1026 if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
1027 input_dtd = intel_sdvo->input_dtd;
1028 } else {
1029 /* Set the output timing to the screen */
1030 if (!intel_sdvo_set_target_output(intel_sdvo,
1031 intel_sdvo->attached_output))
1032 return;
1033
1034 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1035 (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
1036 }
1037
1038 /* Set the input timing to the screen. Assume always input 0. */
1039 if (!intel_sdvo_set_target_input(intel_sdvo))
1040 return;
1041
1042 if (intel_sdvo->has_hdmi_monitor) {
1043 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1044 intel_sdvo_set_colorimetry(intel_sdvo,
1045 SDVO_COLORIMETRY_RGB256);
1046 intel_sdvo_set_avi_infoframe(intel_sdvo);
1047 } else
1048 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1049
1050 if (intel_sdvo->is_tv &&
1051 !intel_sdvo_set_tv_format(intel_sdvo))
1052 return;
1053
1054 (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1055
1056 switch (pixel_multiplier) {
1057 default:
1058 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1059 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1060 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1061 }
1062 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1063 return;
1064
1065 /* Set the SDVO control regs. */
1066 if (INTEL_INFO(dev)->gen >= 4) {
1067 sdvox = 0;
1068 if (intel_sdvo->is_hdmi)
1069 sdvox |= intel_sdvo->color_range;
1070 if (INTEL_INFO(dev)->gen < 5)
1071 sdvox |= SDVO_BORDER_ENABLE;
1072 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
1073 sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
1074 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
1075 sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
1076 } else {
1077 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1078 switch (intel_sdvo->sdvo_reg) {
1079 case SDVOB:
1080 sdvox &= SDVOB_PRESERVE_MASK;
1081 break;
1082 case SDVOC:
1083 sdvox &= SDVOC_PRESERVE_MASK;
1084 break;
1085 }
1086 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1087 }
1088 if (intel_crtc->pipe == 1)
1089 sdvox |= SDVO_PIPE_B_SELECT;
1090 if (intel_sdvo->has_hdmi_audio)
1091 sdvox |= SDVO_AUDIO_ENABLE;
1092
1093 if (INTEL_INFO(dev)->gen >= 4) {
1094 /* done in crtc_mode_set as the dpll_md reg must be written early */
1095 } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1096 /* done in crtc_mode_set as it lives inside the dpll register */
1097 } else {
1098 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1099 }
1100
1101 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1102 INTEL_INFO(dev)->gen < 5)
1103 sdvox |= SDVO_STALL_SELECT;
1104 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1105 }
1106
1107 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1108 {
1109 struct drm_device *dev = encoder->dev;
1110 struct drm_i915_private *dev_priv = dev->dev_private;
1111 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1112 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1113 u32 temp;
1114
1115 if (mode != DRM_MODE_DPMS_ON) {
1116 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1117 if (0)
1118 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1119
1120 if (mode == DRM_MODE_DPMS_OFF) {
1121 temp = I915_READ(intel_sdvo->sdvo_reg);
1122 if ((temp & SDVO_ENABLE) != 0) {
1123 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1124 }
1125 }
1126 } else {
1127 bool input1, input2;
1128 int i;
1129 u8 status;
1130
1131 temp = I915_READ(intel_sdvo->sdvo_reg);
1132 if ((temp & SDVO_ENABLE) == 0)
1133 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1134 for (i = 0; i < 2; i++)
1135 intel_wait_for_vblank(dev, intel_crtc->pipe);
1136
1137 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1138 /* Warn if the device reported failure to sync.
1139 * A lot of SDVO devices fail to notify of sync, but it's
1140 * a given it the status is a success, we succeeded.
1141 */
1142 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1143 DRM_DEBUG_KMS("First %s output reported failure to "
1144 "sync\n", SDVO_NAME(intel_sdvo));
1145 }
1146
1147 if (0)
1148 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1149 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1150 }
1151 return;
1152 }
1153
1154 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1155 struct drm_display_mode *mode)
1156 {
1157 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1158
1159 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1160 return MODE_NO_DBLESCAN;
1161
1162 if (intel_sdvo->pixel_clock_min > mode->clock)
1163 return MODE_CLOCK_LOW;
1164
1165 if (intel_sdvo->pixel_clock_max < mode->clock)
1166 return MODE_CLOCK_HIGH;
1167
1168 if (intel_sdvo->is_lvds) {
1169 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1170 return MODE_PANEL;
1171
1172 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1173 return MODE_PANEL;
1174 }
1175
1176 return MODE_OK;
1177 }
1178
1179 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1180 {
1181 BUILD_BUG_ON(sizeof(*caps) != 8);
1182 if (!intel_sdvo_get_value(intel_sdvo,
1183 SDVO_CMD_GET_DEVICE_CAPS,
1184 caps, sizeof(*caps)))
1185 return false;
1186
1187 DRM_DEBUG_KMS("SDVO capabilities:\n"
1188 " vendor_id: %d\n"
1189 " device_id: %d\n"
1190 " device_rev_id: %d\n"
1191 " sdvo_version_major: %d\n"
1192 " sdvo_version_minor: %d\n"
1193 " sdvo_inputs_mask: %d\n"
1194 " smooth_scaling: %d\n"
1195 " sharp_scaling: %d\n"
1196 " up_scaling: %d\n"
1197 " down_scaling: %d\n"
1198 " stall_support: %d\n"
1199 " output_flags: %d\n",
1200 caps->vendor_id,
1201 caps->device_id,
1202 caps->device_rev_id,
1203 caps->sdvo_version_major,
1204 caps->sdvo_version_minor,
1205 caps->sdvo_inputs_mask,
1206 caps->smooth_scaling,
1207 caps->sharp_scaling,
1208 caps->up_scaling,
1209 caps->down_scaling,
1210 caps->stall_support,
1211 caps->output_flags);
1212
1213 return true;
1214 }
1215
1216 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1217 {
1218 u8 response[2];
1219
1220 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1221 &response, 2) && response[0];
1222 }
1223
1224 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1225 {
1226 struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1227
1228 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1229 }
1230
1231 static bool
1232 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1233 {
1234 /* Is there more than one type of output? */
1235 int caps = intel_sdvo->caps.output_flags & 0xf;
1236 return caps & -caps;
1237 }
1238
1239 static struct edid *
1240 intel_sdvo_get_edid(struct drm_connector *connector)
1241 {
1242 struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1243 return drm_get_edid(connector, &sdvo->ddc);
1244 }
1245
1246 /* Mac mini hack -- use the same DDC as the analog connector */
1247 static struct edid *
1248 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1249 {
1250 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1251
1252 return drm_get_edid(connector,
1253 &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1254 }
1255
1256 enum drm_connector_status
1257 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1258 {
1259 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1260 enum drm_connector_status status;
1261 struct edid *edid;
1262
1263 edid = intel_sdvo_get_edid(connector);
1264
1265 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1266 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1267
1268 /*
1269 * Don't use the 1 as the argument of DDC bus switch to get
1270 * the EDID. It is used for SDVO SPD ROM.
1271 */
1272 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1273 intel_sdvo->ddc_bus = ddc;
1274 edid = intel_sdvo_get_edid(connector);
1275 if (edid)
1276 break;
1277 }
1278 /*
1279 * If we found the EDID on the other bus,
1280 * assume that is the correct DDC bus.
1281 */
1282 if (edid == NULL)
1283 intel_sdvo->ddc_bus = saved_ddc;
1284 }
1285
1286 /*
1287 * When there is no edid and no monitor is connected with VGA
1288 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1289 */
1290 if (edid == NULL)
1291 edid = intel_sdvo_get_analog_edid(connector);
1292
1293 status = connector_status_unknown;
1294 if (edid != NULL) {
1295 /* DDC bus is shared, match EDID to connector type */
1296 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1297 status = connector_status_connected;
1298 if (intel_sdvo->is_hdmi) {
1299 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1300 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1301 }
1302 } else
1303 status = connector_status_disconnected;
1304 connector->display_info.raw_edid = NULL;
1305 kfree(edid);
1306 }
1307
1308 if (status == connector_status_connected) {
1309 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1310 if (intel_sdvo_connector->force_audio)
1311 intel_sdvo->has_hdmi_audio = intel_sdvo_connector->force_audio > 0;
1312 }
1313
1314 return status;
1315 }
1316
1317 static enum drm_connector_status
1318 intel_sdvo_detect(struct drm_connector *connector, bool force)
1319 {
1320 uint16_t response;
1321 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1322 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1323 enum drm_connector_status ret;
1324
1325 if (!intel_sdvo_write_cmd(intel_sdvo,
1326 SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1327 return connector_status_unknown;
1328
1329 /* add 30ms delay when the output type might be TV */
1330 if (intel_sdvo->caps.output_flags &
1331 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1332 mdelay(30);
1333
1334 if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1335 return connector_status_unknown;
1336
1337 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1338 response & 0xff, response >> 8,
1339 intel_sdvo_connector->output_flag);
1340
1341 if (response == 0)
1342 return connector_status_disconnected;
1343
1344 intel_sdvo->attached_output = response;
1345
1346 intel_sdvo->has_hdmi_monitor = false;
1347 intel_sdvo->has_hdmi_audio = false;
1348
1349 if ((intel_sdvo_connector->output_flag & response) == 0)
1350 ret = connector_status_disconnected;
1351 else if (IS_TMDS(intel_sdvo_connector))
1352 ret = intel_sdvo_hdmi_sink_detect(connector);
1353 else {
1354 struct edid *edid;
1355
1356 /* if we have an edid check it matches the connection */
1357 edid = intel_sdvo_get_edid(connector);
1358 if (edid == NULL)
1359 edid = intel_sdvo_get_analog_edid(connector);
1360 if (edid != NULL) {
1361 if (edid->input & DRM_EDID_INPUT_DIGITAL)
1362 ret = connector_status_disconnected;
1363 else
1364 ret = connector_status_connected;
1365 connector->display_info.raw_edid = NULL;
1366 kfree(edid);
1367 } else
1368 ret = connector_status_connected;
1369 }
1370
1371 /* May update encoder flag for like clock for SDVO TV, etc.*/
1372 if (ret == connector_status_connected) {
1373 intel_sdvo->is_tv = false;
1374 intel_sdvo->is_lvds = false;
1375 intel_sdvo->base.needs_tv_clock = false;
1376
1377 if (response & SDVO_TV_MASK) {
1378 intel_sdvo->is_tv = true;
1379 intel_sdvo->base.needs_tv_clock = true;
1380 }
1381 if (response & SDVO_LVDS_MASK)
1382 intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1383 }
1384
1385 return ret;
1386 }
1387
1388 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1389 {
1390 struct edid *edid;
1391
1392 /* set the bus switch and get the modes */
1393 edid = intel_sdvo_get_edid(connector);
1394
1395 /*
1396 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1397 * link between analog and digital outputs. So, if the regular SDVO
1398 * DDC fails, check to see if the analog output is disconnected, in
1399 * which case we'll look there for the digital DDC data.
1400 */
1401 if (edid == NULL)
1402 edid = intel_sdvo_get_analog_edid(connector);
1403
1404 if (edid != NULL) {
1405 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1406 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1407 bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
1408
1409 if (connector_is_digital == monitor_is_digital) {
1410 drm_mode_connector_update_edid_property(connector, edid);
1411 drm_add_edid_modes(connector, edid);
1412 }
1413
1414 connector->display_info.raw_edid = NULL;
1415 kfree(edid);
1416 }
1417 }
1418
1419 /*
1420 * Set of SDVO TV modes.
1421 * Note! This is in reply order (see loop in get_tv_modes).
1422 * XXX: all 60Hz refresh?
1423 */
1424 static const struct drm_display_mode sdvo_tv_modes[] = {
1425 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1426 416, 0, 200, 201, 232, 233, 0,
1427 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1428 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1429 416, 0, 240, 241, 272, 273, 0,
1430 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1431 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1432 496, 0, 300, 301, 332, 333, 0,
1433 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1434 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1435 736, 0, 350, 351, 382, 383, 0,
1436 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1437 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1438 736, 0, 400, 401, 432, 433, 0,
1439 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1440 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1441 736, 0, 480, 481, 512, 513, 0,
1442 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1443 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1444 800, 0, 480, 481, 512, 513, 0,
1445 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1446 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1447 800, 0, 576, 577, 608, 609, 0,
1448 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1449 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1450 816, 0, 350, 351, 382, 383, 0,
1451 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1452 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1453 816, 0, 400, 401, 432, 433, 0,
1454 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1455 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1456 816, 0, 480, 481, 512, 513, 0,
1457 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1458 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1459 816, 0, 540, 541, 572, 573, 0,
1460 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1461 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1462 816, 0, 576, 577, 608, 609, 0,
1463 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1464 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1465 864, 0, 576, 577, 608, 609, 0,
1466 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1467 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1468 896, 0, 600, 601, 632, 633, 0,
1469 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1470 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1471 928, 0, 624, 625, 656, 657, 0,
1472 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1473 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1474 1016, 0, 766, 767, 798, 799, 0,
1475 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1476 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1477 1120, 0, 768, 769, 800, 801, 0,
1478 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1480 1376, 0, 1024, 1025, 1056, 1057, 0,
1481 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482 };
1483
1484 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1485 {
1486 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1487 struct intel_sdvo_sdtv_resolution_request tv_res;
1488 uint32_t reply = 0, format_map = 0;
1489 int i;
1490
1491 /* Read the list of supported input resolutions for the selected TV
1492 * format.
1493 */
1494 format_map = 1 << intel_sdvo->tv_format_index;
1495 memcpy(&tv_res, &format_map,
1496 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1497
1498 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1499 return;
1500
1501 BUILD_BUG_ON(sizeof(tv_res) != 3);
1502 if (!intel_sdvo_write_cmd(intel_sdvo,
1503 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1504 &tv_res, sizeof(tv_res)))
1505 return;
1506 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1507 return;
1508
1509 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1510 if (reply & (1 << i)) {
1511 struct drm_display_mode *nmode;
1512 nmode = drm_mode_duplicate(connector->dev,
1513 &sdvo_tv_modes[i]);
1514 if (nmode)
1515 drm_mode_probed_add(connector, nmode);
1516 }
1517 }
1518
1519 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1520 {
1521 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1522 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1523 struct drm_display_mode *newmode;
1524
1525 /*
1526 * Attempt to get the mode list from DDC.
1527 * Assume that the preferred modes are
1528 * arranged in priority order.
1529 */
1530 intel_ddc_get_modes(connector, intel_sdvo->i2c);
1531 if (list_empty(&connector->probed_modes) == false)
1532 goto end;
1533
1534 /* Fetch modes from VBT */
1535 if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1536 newmode = drm_mode_duplicate(connector->dev,
1537 dev_priv->sdvo_lvds_vbt_mode);
1538 if (newmode != NULL) {
1539 /* Guarantee the mode is preferred */
1540 newmode->type = (DRM_MODE_TYPE_PREFERRED |
1541 DRM_MODE_TYPE_DRIVER);
1542 drm_mode_probed_add(connector, newmode);
1543 }
1544 }
1545
1546 end:
1547 list_for_each_entry(newmode, &connector->probed_modes, head) {
1548 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1549 intel_sdvo->sdvo_lvds_fixed_mode =
1550 drm_mode_duplicate(connector->dev, newmode);
1551
1552 drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1553 0);
1554
1555 intel_sdvo->is_lvds = true;
1556 break;
1557 }
1558 }
1559
1560 }
1561
1562 static int intel_sdvo_get_modes(struct drm_connector *connector)
1563 {
1564 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1565
1566 if (IS_TV(intel_sdvo_connector))
1567 intel_sdvo_get_tv_modes(connector);
1568 else if (IS_LVDS(intel_sdvo_connector))
1569 intel_sdvo_get_lvds_modes(connector);
1570 else
1571 intel_sdvo_get_ddc_modes(connector);
1572
1573 return !list_empty(&connector->probed_modes);
1574 }
1575
1576 static void
1577 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1578 {
1579 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1580 struct drm_device *dev = connector->dev;
1581
1582 if (intel_sdvo_connector->left)
1583 drm_property_destroy(dev, intel_sdvo_connector->left);
1584 if (intel_sdvo_connector->right)
1585 drm_property_destroy(dev, intel_sdvo_connector->right);
1586 if (intel_sdvo_connector->top)
1587 drm_property_destroy(dev, intel_sdvo_connector->top);
1588 if (intel_sdvo_connector->bottom)
1589 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1590 if (intel_sdvo_connector->hpos)
1591 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1592 if (intel_sdvo_connector->vpos)
1593 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1594 if (intel_sdvo_connector->saturation)
1595 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1596 if (intel_sdvo_connector->contrast)
1597 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1598 if (intel_sdvo_connector->hue)
1599 drm_property_destroy(dev, intel_sdvo_connector->hue);
1600 if (intel_sdvo_connector->sharpness)
1601 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1602 if (intel_sdvo_connector->flicker_filter)
1603 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1604 if (intel_sdvo_connector->flicker_filter_2d)
1605 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1606 if (intel_sdvo_connector->flicker_filter_adaptive)
1607 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1608 if (intel_sdvo_connector->tv_luma_filter)
1609 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1610 if (intel_sdvo_connector->tv_chroma_filter)
1611 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1612 if (intel_sdvo_connector->dot_crawl)
1613 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1614 if (intel_sdvo_connector->brightness)
1615 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1616 }
1617
1618 static void intel_sdvo_destroy(struct drm_connector *connector)
1619 {
1620 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1621
1622 if (intel_sdvo_connector->tv_format)
1623 drm_property_destroy(connector->dev,
1624 intel_sdvo_connector->tv_format);
1625
1626 intel_sdvo_destroy_enhance_property(connector);
1627 drm_sysfs_connector_remove(connector);
1628 drm_connector_cleanup(connector);
1629 kfree(connector);
1630 }
1631
1632 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1633 {
1634 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1635 struct edid *edid;
1636 bool has_audio = false;
1637
1638 if (!intel_sdvo->is_hdmi)
1639 return false;
1640
1641 edid = intel_sdvo_get_edid(connector);
1642 if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1643 has_audio = drm_detect_monitor_audio(edid);
1644
1645 return has_audio;
1646 }
1647
1648 static int
1649 intel_sdvo_set_property(struct drm_connector *connector,
1650 struct drm_property *property,
1651 uint64_t val)
1652 {
1653 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1654 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1655 struct drm_i915_private *dev_priv = connector->dev->dev_private;
1656 uint16_t temp_value;
1657 uint8_t cmd;
1658 int ret;
1659
1660 ret = drm_connector_property_set_value(connector, property, val);
1661 if (ret)
1662 return ret;
1663
1664 if (property == dev_priv->force_audio_property) {
1665 int i = val;
1666 bool has_audio;
1667
1668 if (i == intel_sdvo_connector->force_audio)
1669 return 0;
1670
1671 intel_sdvo_connector->force_audio = i;
1672
1673 if (i == 0)
1674 has_audio = intel_sdvo_detect_hdmi_audio(connector);
1675 else
1676 has_audio = i > 0;
1677
1678 if (has_audio == intel_sdvo->has_hdmi_audio)
1679 return 0;
1680
1681 intel_sdvo->has_hdmi_audio = has_audio;
1682 goto done;
1683 }
1684
1685 if (property == dev_priv->broadcast_rgb_property) {
1686 if (val == !!intel_sdvo->color_range)
1687 return 0;
1688
1689 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1690 goto done;
1691 }
1692
1693 #define CHECK_PROPERTY(name, NAME) \
1694 if (intel_sdvo_connector->name == property) { \
1695 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1696 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1697 cmd = SDVO_CMD_SET_##NAME; \
1698 intel_sdvo_connector->cur_##name = temp_value; \
1699 goto set_value; \
1700 }
1701
1702 if (property == intel_sdvo_connector->tv_format) {
1703 if (val >= TV_FORMAT_NUM)
1704 return -EINVAL;
1705
1706 if (intel_sdvo->tv_format_index ==
1707 intel_sdvo_connector->tv_format_supported[val])
1708 return 0;
1709
1710 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1711 goto done;
1712 } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1713 temp_value = val;
1714 if (intel_sdvo_connector->left == property) {
1715 drm_connector_property_set_value(connector,
1716 intel_sdvo_connector->right, val);
1717 if (intel_sdvo_connector->left_margin == temp_value)
1718 return 0;
1719
1720 intel_sdvo_connector->left_margin = temp_value;
1721 intel_sdvo_connector->right_margin = temp_value;
1722 temp_value = intel_sdvo_connector->max_hscan -
1723 intel_sdvo_connector->left_margin;
1724 cmd = SDVO_CMD_SET_OVERSCAN_H;
1725 goto set_value;
1726 } else if (intel_sdvo_connector->right == property) {
1727 drm_connector_property_set_value(connector,
1728 intel_sdvo_connector->left, val);
1729 if (intel_sdvo_connector->right_margin == temp_value)
1730 return 0;
1731
1732 intel_sdvo_connector->left_margin = temp_value;
1733 intel_sdvo_connector->right_margin = temp_value;
1734 temp_value = intel_sdvo_connector->max_hscan -
1735 intel_sdvo_connector->left_margin;
1736 cmd = SDVO_CMD_SET_OVERSCAN_H;
1737 goto set_value;
1738 } else if (intel_sdvo_connector->top == property) {
1739 drm_connector_property_set_value(connector,
1740 intel_sdvo_connector->bottom, val);
1741 if (intel_sdvo_connector->top_margin == temp_value)
1742 return 0;
1743
1744 intel_sdvo_connector->top_margin = temp_value;
1745 intel_sdvo_connector->bottom_margin = temp_value;
1746 temp_value = intel_sdvo_connector->max_vscan -
1747 intel_sdvo_connector->top_margin;
1748 cmd = SDVO_CMD_SET_OVERSCAN_V;
1749 goto set_value;
1750 } else if (intel_sdvo_connector->bottom == property) {
1751 drm_connector_property_set_value(connector,
1752 intel_sdvo_connector->top, val);
1753 if (intel_sdvo_connector->bottom_margin == temp_value)
1754 return 0;
1755
1756 intel_sdvo_connector->top_margin = temp_value;
1757 intel_sdvo_connector->bottom_margin = temp_value;
1758 temp_value = intel_sdvo_connector->max_vscan -
1759 intel_sdvo_connector->top_margin;
1760 cmd = SDVO_CMD_SET_OVERSCAN_V;
1761 goto set_value;
1762 }
1763 CHECK_PROPERTY(hpos, HPOS)
1764 CHECK_PROPERTY(vpos, VPOS)
1765 CHECK_PROPERTY(saturation, SATURATION)
1766 CHECK_PROPERTY(contrast, CONTRAST)
1767 CHECK_PROPERTY(hue, HUE)
1768 CHECK_PROPERTY(brightness, BRIGHTNESS)
1769 CHECK_PROPERTY(sharpness, SHARPNESS)
1770 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1771 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1772 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1773 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1774 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1775 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1776 }
1777
1778 return -EINVAL; /* unknown property */
1779
1780 set_value:
1781 if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1782 return -EIO;
1783
1784
1785 done:
1786 if (intel_sdvo->base.base.crtc) {
1787 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1788 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1789 crtc->y, crtc->fb);
1790 }
1791
1792 return 0;
1793 #undef CHECK_PROPERTY
1794 }
1795
1796 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1797 .dpms = intel_sdvo_dpms,
1798 .mode_fixup = intel_sdvo_mode_fixup,
1799 .prepare = intel_encoder_prepare,
1800 .mode_set = intel_sdvo_mode_set,
1801 .commit = intel_encoder_commit,
1802 };
1803
1804 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1805 .dpms = drm_helper_connector_dpms,
1806 .detect = intel_sdvo_detect,
1807 .fill_modes = drm_helper_probe_single_connector_modes,
1808 .set_property = intel_sdvo_set_property,
1809 .destroy = intel_sdvo_destroy,
1810 };
1811
1812 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1813 .get_modes = intel_sdvo_get_modes,
1814 .mode_valid = intel_sdvo_mode_valid,
1815 .best_encoder = intel_best_encoder,
1816 };
1817
1818 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1819 {
1820 struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1821
1822 if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1823 drm_mode_destroy(encoder->dev,
1824 intel_sdvo->sdvo_lvds_fixed_mode);
1825
1826 i2c_del_adapter(&intel_sdvo->ddc);
1827 intel_encoder_destroy(encoder);
1828 }
1829
1830 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1831 .destroy = intel_sdvo_enc_destroy,
1832 };
1833
1834 static void
1835 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1836 {
1837 uint16_t mask = 0;
1838 unsigned int num_bits;
1839
1840 /* Make a mask of outputs less than or equal to our own priority in the
1841 * list.
1842 */
1843 switch (sdvo->controlled_output) {
1844 case SDVO_OUTPUT_LVDS1:
1845 mask |= SDVO_OUTPUT_LVDS1;
1846 case SDVO_OUTPUT_LVDS0:
1847 mask |= SDVO_OUTPUT_LVDS0;
1848 case SDVO_OUTPUT_TMDS1:
1849 mask |= SDVO_OUTPUT_TMDS1;
1850 case SDVO_OUTPUT_TMDS0:
1851 mask |= SDVO_OUTPUT_TMDS0;
1852 case SDVO_OUTPUT_RGB1:
1853 mask |= SDVO_OUTPUT_RGB1;
1854 case SDVO_OUTPUT_RGB0:
1855 mask |= SDVO_OUTPUT_RGB0;
1856 break;
1857 }
1858
1859 /* Count bits to find what number we are in the priority list. */
1860 mask &= sdvo->caps.output_flags;
1861 num_bits = hweight16(mask);
1862 /* If more than 3 outputs, default to DDC bus 3 for now. */
1863 if (num_bits > 3)
1864 num_bits = 3;
1865
1866 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1867 sdvo->ddc_bus = 1 << num_bits;
1868 }
1869
1870 /**
1871 * Choose the appropriate DDC bus for control bus switch command for this
1872 * SDVO output based on the controlled output.
1873 *
1874 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1875 * outputs, then LVDS outputs.
1876 */
1877 static void
1878 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1879 struct intel_sdvo *sdvo, u32 reg)
1880 {
1881 struct sdvo_device_mapping *mapping;
1882
1883 if (IS_SDVOB(reg))
1884 mapping = &(dev_priv->sdvo_mappings[0]);
1885 else
1886 mapping = &(dev_priv->sdvo_mappings[1]);
1887
1888 if (mapping->initialized)
1889 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1890 else
1891 intel_sdvo_guess_ddc_bus(sdvo);
1892 }
1893
1894 static void
1895 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1896 struct intel_sdvo *sdvo, u32 reg)
1897 {
1898 struct sdvo_device_mapping *mapping;
1899 u8 pin, speed;
1900
1901 if (IS_SDVOB(reg))
1902 mapping = &dev_priv->sdvo_mappings[0];
1903 else
1904 mapping = &dev_priv->sdvo_mappings[1];
1905
1906 pin = GMBUS_PORT_DPB;
1907 speed = GMBUS_RATE_1MHZ >> 8;
1908 if (mapping->initialized) {
1909 pin = mapping->i2c_pin;
1910 speed = mapping->i2c_speed;
1911 }
1912
1913 if (pin < GMBUS_NUM_PORTS) {
1914 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1915 intel_gmbus_set_speed(sdvo->i2c, speed);
1916 intel_gmbus_force_bit(sdvo->i2c, true);
1917 } else
1918 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1919 }
1920
1921 static bool
1922 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1923 {
1924 return intel_sdvo_check_supp_encode(intel_sdvo);
1925 }
1926
1927 static u8
1928 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1929 {
1930 struct drm_i915_private *dev_priv = dev->dev_private;
1931 struct sdvo_device_mapping *my_mapping, *other_mapping;
1932
1933 if (IS_SDVOB(sdvo_reg)) {
1934 my_mapping = &dev_priv->sdvo_mappings[0];
1935 other_mapping = &dev_priv->sdvo_mappings[1];
1936 } else {
1937 my_mapping = &dev_priv->sdvo_mappings[1];
1938 other_mapping = &dev_priv->sdvo_mappings[0];
1939 }
1940
1941 /* If the BIOS described our SDVO device, take advantage of it. */
1942 if (my_mapping->slave_addr)
1943 return my_mapping->slave_addr;
1944
1945 /* If the BIOS only described a different SDVO device, use the
1946 * address that it isn't using.
1947 */
1948 if (other_mapping->slave_addr) {
1949 if (other_mapping->slave_addr == 0x70)
1950 return 0x72;
1951 else
1952 return 0x70;
1953 }
1954
1955 /* No SDVO device info is found for another DVO port,
1956 * so use mapping assumption we had before BIOS parsing.
1957 */
1958 if (IS_SDVOB(sdvo_reg))
1959 return 0x70;
1960 else
1961 return 0x72;
1962 }
1963
1964 static void
1965 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
1966 struct intel_sdvo *encoder)
1967 {
1968 drm_connector_init(encoder->base.base.dev,
1969 &connector->base.base,
1970 &intel_sdvo_connector_funcs,
1971 connector->base.base.connector_type);
1972
1973 drm_connector_helper_add(&connector->base.base,
1974 &intel_sdvo_connector_helper_funcs);
1975
1976 connector->base.base.interlace_allowed = 0;
1977 connector->base.base.doublescan_allowed = 0;
1978 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
1979
1980 intel_connector_attach_encoder(&connector->base, &encoder->base);
1981 drm_sysfs_connector_add(&connector->base.base);
1982 }
1983
1984 static void
1985 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
1986 {
1987 struct drm_device *dev = connector->base.base.dev;
1988
1989 intel_attach_force_audio_property(&connector->base.base);
1990 if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
1991 intel_attach_broadcast_rgb_property(&connector->base.base);
1992 }
1993
1994 static bool
1995 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
1996 {
1997 struct drm_encoder *encoder = &intel_sdvo->base.base;
1998 struct drm_connector *connector;
1999 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2000 struct intel_connector *intel_connector;
2001 struct intel_sdvo_connector *intel_sdvo_connector;
2002
2003 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2004 if (!intel_sdvo_connector)
2005 return false;
2006
2007 if (device == 0) {
2008 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2009 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2010 } else if (device == 1) {
2011 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2012 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2013 }
2014
2015 intel_connector = &intel_sdvo_connector->base;
2016 connector = &intel_connector->base;
2017 if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2018 connector->polled = DRM_CONNECTOR_POLL_HPD;
2019 intel_sdvo->hotplug_active[0] |= 1 << device;
2020 /* Some SDVO devices have one-shot hotplug interrupts.
2021 * Ensure that they get re-enabled when an interrupt happens.
2022 */
2023 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2024 intel_sdvo_enable_hotplug(intel_encoder);
2025 }
2026 else
2027 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2028 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2029 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2030
2031 if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2032 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2033 intel_sdvo->is_hdmi = true;
2034 }
2035 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2036 (1 << INTEL_ANALOG_CLONE_BIT));
2037
2038 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2039 if (intel_sdvo->is_hdmi)
2040 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2041
2042 return true;
2043 }
2044
2045 static bool
2046 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2047 {
2048 struct drm_encoder *encoder = &intel_sdvo->base.base;
2049 struct drm_connector *connector;
2050 struct intel_connector *intel_connector;
2051 struct intel_sdvo_connector *intel_sdvo_connector;
2052
2053 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2054 if (!intel_sdvo_connector)
2055 return false;
2056
2057 intel_connector = &intel_sdvo_connector->base;
2058 connector = &intel_connector->base;
2059 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2060 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2061
2062 intel_sdvo->controlled_output |= type;
2063 intel_sdvo_connector->output_flag = type;
2064
2065 intel_sdvo->is_tv = true;
2066 intel_sdvo->base.needs_tv_clock = true;
2067 intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2068
2069 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2070
2071 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2072 goto err;
2073
2074 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2075 goto err;
2076
2077 return true;
2078
2079 err:
2080 intel_sdvo_destroy(connector);
2081 return false;
2082 }
2083
2084 static bool
2085 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2086 {
2087 struct drm_encoder *encoder = &intel_sdvo->base.base;
2088 struct drm_connector *connector;
2089 struct intel_connector *intel_connector;
2090 struct intel_sdvo_connector *intel_sdvo_connector;
2091
2092 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2093 if (!intel_sdvo_connector)
2094 return false;
2095
2096 intel_connector = &intel_sdvo_connector->base;
2097 connector = &intel_connector->base;
2098 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2099 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2100 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2101
2102 if (device == 0) {
2103 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2104 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2105 } else if (device == 1) {
2106 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2107 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2108 }
2109
2110 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2111 (1 << INTEL_ANALOG_CLONE_BIT));
2112
2113 intel_sdvo_connector_init(intel_sdvo_connector,
2114 intel_sdvo);
2115 return true;
2116 }
2117
2118 static bool
2119 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2120 {
2121 struct drm_encoder *encoder = &intel_sdvo->base.base;
2122 struct drm_connector *connector;
2123 struct intel_connector *intel_connector;
2124 struct intel_sdvo_connector *intel_sdvo_connector;
2125
2126 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2127 if (!intel_sdvo_connector)
2128 return false;
2129
2130 intel_connector = &intel_sdvo_connector->base;
2131 connector = &intel_connector->base;
2132 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2133 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2134
2135 if (device == 0) {
2136 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2137 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2138 } else if (device == 1) {
2139 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2140 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2141 }
2142
2143 intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2144 (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2145
2146 intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2147 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2148 goto err;
2149
2150 return true;
2151
2152 err:
2153 intel_sdvo_destroy(connector);
2154 return false;
2155 }
2156
2157 static bool
2158 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2159 {
2160 intel_sdvo->is_tv = false;
2161 intel_sdvo->base.needs_tv_clock = false;
2162 intel_sdvo->is_lvds = false;
2163
2164 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2165
2166 if (flags & SDVO_OUTPUT_TMDS0)
2167 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2168 return false;
2169
2170 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2171 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2172 return false;
2173
2174 /* TV has no XXX1 function block */
2175 if (flags & SDVO_OUTPUT_SVID0)
2176 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2177 return false;
2178
2179 if (flags & SDVO_OUTPUT_CVBS0)
2180 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2181 return false;
2182
2183 if (flags & SDVO_OUTPUT_RGB0)
2184 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2185 return false;
2186
2187 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2188 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2189 return false;
2190
2191 if (flags & SDVO_OUTPUT_LVDS0)
2192 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2193 return false;
2194
2195 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2196 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2197 return false;
2198
2199 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2200 unsigned char bytes[2];
2201
2202 intel_sdvo->controlled_output = 0;
2203 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2204 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2205 SDVO_NAME(intel_sdvo),
2206 bytes[0], bytes[1]);
2207 return false;
2208 }
2209 intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2210
2211 return true;
2212 }
2213
2214 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2215 struct intel_sdvo_connector *intel_sdvo_connector,
2216 int type)
2217 {
2218 struct drm_device *dev = intel_sdvo->base.base.dev;
2219 struct intel_sdvo_tv_format format;
2220 uint32_t format_map, i;
2221
2222 if (!intel_sdvo_set_target_output(intel_sdvo, type))
2223 return false;
2224
2225 BUILD_BUG_ON(sizeof(format) != 6);
2226 if (!intel_sdvo_get_value(intel_sdvo,
2227 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2228 &format, sizeof(format)))
2229 return false;
2230
2231 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2232
2233 if (format_map == 0)
2234 return false;
2235
2236 intel_sdvo_connector->format_supported_num = 0;
2237 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2238 if (format_map & (1 << i))
2239 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2240
2241
2242 intel_sdvo_connector->tv_format =
2243 drm_property_create(dev, DRM_MODE_PROP_ENUM,
2244 "mode", intel_sdvo_connector->format_supported_num);
2245 if (!intel_sdvo_connector->tv_format)
2246 return false;
2247
2248 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2249 drm_property_add_enum(
2250 intel_sdvo_connector->tv_format, i,
2251 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2252
2253 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2254 drm_connector_attach_property(&intel_sdvo_connector->base.base,
2255 intel_sdvo_connector->tv_format, 0);
2256 return true;
2257
2258 }
2259
2260 #define ENHANCEMENT(name, NAME) do { \
2261 if (enhancements.name) { \
2262 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2263 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2264 return false; \
2265 intel_sdvo_connector->max_##name = data_value[0]; \
2266 intel_sdvo_connector->cur_##name = response; \
2267 intel_sdvo_connector->name = \
2268 drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \
2269 if (!intel_sdvo_connector->name) return false; \
2270 intel_sdvo_connector->name->values[0] = 0; \
2271 intel_sdvo_connector->name->values[1] = data_value[0]; \
2272 drm_connector_attach_property(connector, \
2273 intel_sdvo_connector->name, \
2274 intel_sdvo_connector->cur_##name); \
2275 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2276 data_value[0], data_value[1], response); \
2277 } \
2278 } while(0)
2279
2280 static bool
2281 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2282 struct intel_sdvo_connector *intel_sdvo_connector,
2283 struct intel_sdvo_enhancements_reply enhancements)
2284 {
2285 struct drm_device *dev = intel_sdvo->base.base.dev;
2286 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2287 uint16_t response, data_value[2];
2288
2289 /* when horizontal overscan is supported, Add the left/right property */
2290 if (enhancements.overscan_h) {
2291 if (!intel_sdvo_get_value(intel_sdvo,
2292 SDVO_CMD_GET_MAX_OVERSCAN_H,
2293 &data_value, 4))
2294 return false;
2295
2296 if (!intel_sdvo_get_value(intel_sdvo,
2297 SDVO_CMD_GET_OVERSCAN_H,
2298 &response, 2))
2299 return false;
2300
2301 intel_sdvo_connector->max_hscan = data_value[0];
2302 intel_sdvo_connector->left_margin = data_value[0] - response;
2303 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2304 intel_sdvo_connector->left =
2305 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2306 "left_margin", 2);
2307 if (!intel_sdvo_connector->left)
2308 return false;
2309
2310 intel_sdvo_connector->left->values[0] = 0;
2311 intel_sdvo_connector->left->values[1] = data_value[0];
2312 drm_connector_attach_property(connector,
2313 intel_sdvo_connector->left,
2314 intel_sdvo_connector->left_margin);
2315
2316 intel_sdvo_connector->right =
2317 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2318 "right_margin", 2);
2319 if (!intel_sdvo_connector->right)
2320 return false;
2321
2322 intel_sdvo_connector->right->values[0] = 0;
2323 intel_sdvo_connector->right->values[1] = data_value[0];
2324 drm_connector_attach_property(connector,
2325 intel_sdvo_connector->right,
2326 intel_sdvo_connector->right_margin);
2327 DRM_DEBUG_KMS("h_overscan: max %d, "
2328 "default %d, current %d\n",
2329 data_value[0], data_value[1], response);
2330 }
2331
2332 if (enhancements.overscan_v) {
2333 if (!intel_sdvo_get_value(intel_sdvo,
2334 SDVO_CMD_GET_MAX_OVERSCAN_V,
2335 &data_value, 4))
2336 return false;
2337
2338 if (!intel_sdvo_get_value(intel_sdvo,
2339 SDVO_CMD_GET_OVERSCAN_V,
2340 &response, 2))
2341 return false;
2342
2343 intel_sdvo_connector->max_vscan = data_value[0];
2344 intel_sdvo_connector->top_margin = data_value[0] - response;
2345 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2346 intel_sdvo_connector->top =
2347 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2348 "top_margin", 2);
2349 if (!intel_sdvo_connector->top)
2350 return false;
2351
2352 intel_sdvo_connector->top->values[0] = 0;
2353 intel_sdvo_connector->top->values[1] = data_value[0];
2354 drm_connector_attach_property(connector,
2355 intel_sdvo_connector->top,
2356 intel_sdvo_connector->top_margin);
2357
2358 intel_sdvo_connector->bottom =
2359 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2360 "bottom_margin", 2);
2361 if (!intel_sdvo_connector->bottom)
2362 return false;
2363
2364 intel_sdvo_connector->bottom->values[0] = 0;
2365 intel_sdvo_connector->bottom->values[1] = data_value[0];
2366 drm_connector_attach_property(connector,
2367 intel_sdvo_connector->bottom,
2368 intel_sdvo_connector->bottom_margin);
2369 DRM_DEBUG_KMS("v_overscan: max %d, "
2370 "default %d, current %d\n",
2371 data_value[0], data_value[1], response);
2372 }
2373
2374 ENHANCEMENT(hpos, HPOS);
2375 ENHANCEMENT(vpos, VPOS);
2376 ENHANCEMENT(saturation, SATURATION);
2377 ENHANCEMENT(contrast, CONTRAST);
2378 ENHANCEMENT(hue, HUE);
2379 ENHANCEMENT(sharpness, SHARPNESS);
2380 ENHANCEMENT(brightness, BRIGHTNESS);
2381 ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2382 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2383 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2384 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2385 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2386
2387 if (enhancements.dot_crawl) {
2388 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2389 return false;
2390
2391 intel_sdvo_connector->max_dot_crawl = 1;
2392 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2393 intel_sdvo_connector->dot_crawl =
2394 drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);
2395 if (!intel_sdvo_connector->dot_crawl)
2396 return false;
2397
2398 intel_sdvo_connector->dot_crawl->values[0] = 0;
2399 intel_sdvo_connector->dot_crawl->values[1] = 1;
2400 drm_connector_attach_property(connector,
2401 intel_sdvo_connector->dot_crawl,
2402 intel_sdvo_connector->cur_dot_crawl);
2403 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2404 }
2405
2406 return true;
2407 }
2408
2409 static bool
2410 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2411 struct intel_sdvo_connector *intel_sdvo_connector,
2412 struct intel_sdvo_enhancements_reply enhancements)
2413 {
2414 struct drm_device *dev = intel_sdvo->base.base.dev;
2415 struct drm_connector *connector = &intel_sdvo_connector->base.base;
2416 uint16_t response, data_value[2];
2417
2418 ENHANCEMENT(brightness, BRIGHTNESS);
2419
2420 return true;
2421 }
2422 #undef ENHANCEMENT
2423
2424 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2425 struct intel_sdvo_connector *intel_sdvo_connector)
2426 {
2427 union {
2428 struct intel_sdvo_enhancements_reply reply;
2429 uint16_t response;
2430 } enhancements;
2431
2432 BUILD_BUG_ON(sizeof(enhancements) != 2);
2433
2434 enhancements.response = 0;
2435 intel_sdvo_get_value(intel_sdvo,
2436 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2437 &enhancements, sizeof(enhancements));
2438 if (enhancements.response == 0) {
2439 DRM_DEBUG_KMS("No enhancement is supported\n");
2440 return true;
2441 }
2442
2443 if (IS_TV(intel_sdvo_connector))
2444 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2445 else if(IS_LVDS(intel_sdvo_connector))
2446 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2447 else
2448 return true;
2449 }
2450
2451 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2452 struct i2c_msg *msgs,
2453 int num)
2454 {
2455 struct intel_sdvo *sdvo = adapter->algo_data;
2456
2457 if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2458 return -EIO;
2459
2460 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2461 }
2462
2463 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2464 {
2465 struct intel_sdvo *sdvo = adapter->algo_data;
2466 return sdvo->i2c->algo->functionality(sdvo->i2c);
2467 }
2468
2469 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2470 .master_xfer = intel_sdvo_ddc_proxy_xfer,
2471 .functionality = intel_sdvo_ddc_proxy_func
2472 };
2473
2474 static bool
2475 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2476 struct drm_device *dev)
2477 {
2478 sdvo->ddc.owner = THIS_MODULE;
2479 sdvo->ddc.class = I2C_CLASS_DDC;
2480 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2481 sdvo->ddc.dev.parent = &dev->pdev->dev;
2482 sdvo->ddc.algo_data = sdvo;
2483 sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2484
2485 return i2c_add_adapter(&sdvo->ddc) == 0;
2486 }
2487
2488 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2489 {
2490 struct drm_i915_private *dev_priv = dev->dev_private;
2491 struct intel_encoder *intel_encoder;
2492 struct intel_sdvo *intel_sdvo;
2493 int i;
2494
2495 intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2496 if (!intel_sdvo)
2497 return false;
2498
2499 intel_sdvo->sdvo_reg = sdvo_reg;
2500 intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2501 intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2502 if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2503 kfree(intel_sdvo);
2504 return false;
2505 }
2506
2507 /* encoder type will be decided later */
2508 intel_encoder = &intel_sdvo->base;
2509 intel_encoder->type = INTEL_OUTPUT_SDVO;
2510 drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2511
2512 /* Read the regs to test if we can talk to the device */
2513 for (i = 0; i < 0x40; i++) {
2514 u8 byte;
2515
2516 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2517 DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2518 IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2519 goto err;
2520 }
2521 }
2522
2523 if (IS_SDVOB(sdvo_reg))
2524 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2525 else
2526 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2527
2528 drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2529
2530 /* In default case sdvo lvds is false */
2531 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2532 goto err;
2533
2534 /* Set up hotplug command - note paranoia about contents of reply.
2535 * We assume that the hardware is in a sane state, and only touch
2536 * the bits we think we understand.
2537 */
2538 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2539 &intel_sdvo->hotplug_active, 2);
2540 intel_sdvo->hotplug_active[0] &= ~0x3;
2541
2542 if (intel_sdvo_output_setup(intel_sdvo,
2543 intel_sdvo->caps.output_flags) != true) {
2544 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2545 IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2546 goto err;
2547 }
2548
2549 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2550
2551 /* Set the input timing to the screen. Assume always input 0. */
2552 if (!intel_sdvo_set_target_input(intel_sdvo))
2553 goto err;
2554
2555 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2556 &intel_sdvo->pixel_clock_min,
2557 &intel_sdvo->pixel_clock_max))
2558 goto err;
2559
2560 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2561 "clock range %dMHz - %dMHz, "
2562 "input 1: %c, input 2: %c, "
2563 "output 1: %c, output 2: %c\n",
2564 SDVO_NAME(intel_sdvo),
2565 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2566 intel_sdvo->caps.device_rev_id,
2567 intel_sdvo->pixel_clock_min / 1000,
2568 intel_sdvo->pixel_clock_max / 1000,
2569 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2570 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2571 /* check currently supported outputs */
2572 intel_sdvo->caps.output_flags &
2573 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2574 intel_sdvo->caps.output_flags &
2575 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2576 return true;
2577
2578 err:
2579 drm_encoder_cleanup(&intel_encoder->base);
2580 i2c_del_adapter(&intel_sdvo->ddc);
2581 kfree(intel_sdvo);
2582
2583 return false;
2584 }
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