2 * Copyright 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright © 2006-2007 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
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:
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
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.
26 * Eric Anholt <eric@anholt.net>
28 #include <linux/i2c.h>
29 #include <linux/slab.h>
30 #include <linux/delay.h>
31 #include <linux/export.h>
33 #include <drm/drm_atomic_helper.h>
34 #include <drm/drm_crtc.h>
35 #include <drm/drm_edid.h>
36 #include "intel_drv.h"
37 #include <drm/i915_drm.h>
39 #include "intel_sdvo_regs.h"
41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
42 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
44 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
49 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
50 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
51 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
53 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
56 static const char * const tv_format_names
[] = {
57 "NTSC_M" , "NTSC_J" , "NTSC_443",
58 "PAL_B" , "PAL_D" , "PAL_G" ,
59 "PAL_H" , "PAL_I" , "PAL_M" ,
60 "PAL_N" , "PAL_NC" , "PAL_60" ,
61 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
62 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
66 #define TV_FORMAT_NUM ARRAY_SIZE(tv_format_names)
69 struct intel_encoder base
;
71 struct i2c_adapter
*i2c
;
74 struct i2c_adapter ddc
;
76 /* Register for the SDVO device: SDVOB or SDVOC */
79 /* Active outputs controlled by this SDVO output */
80 uint16_t controlled_output
;
83 * Capabilities of the SDVO device returned by
84 * intel_sdvo_get_capabilities()
86 struct intel_sdvo_caps caps
;
88 /* Pixel clock limitations reported by the SDVO device, in kHz */
89 int pixel_clock_min
, pixel_clock_max
;
92 * For multiple function SDVO device,
93 * this is for current attached outputs.
95 uint16_t attached_output
;
98 * Hotplug activation bits for this device
100 uint16_t hotplug_active
;
103 * This is used to select the color range of RBG outputs in HDMI mode.
104 * It is only valid when using TMDS encoding and 8 bit per color mode.
106 uint32_t color_range
;
107 bool color_range_auto
;
110 * HDMI user specified aspect ratio
112 enum hdmi_picture_aspect aspect_ratio
;
115 * This is set if we're going to treat the device as TV-out.
117 * While we have these nice friendly flags for output types that ought
118 * to decide this for us, the S-Video output on our HDMI+S-Video card
119 * shows up as RGB1 (VGA).
125 /* This is for current tv format name */
129 * This is set if we treat the device as HDMI, instead of DVI.
132 bool has_hdmi_monitor
;
134 bool rgb_quant_range_selectable
;
137 * This is set if we detect output of sdvo device as LVDS and
138 * have a valid fixed mode to use with the panel.
143 * This is sdvo fixed pannel mode pointer
145 struct drm_display_mode
*sdvo_lvds_fixed_mode
;
147 /* DDC bus used by this SDVO encoder */
151 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
153 uint8_t dtd_sdvo_flags
;
156 struct intel_sdvo_connector
{
157 struct intel_connector base
;
159 /* Mark the type of connector */
160 uint16_t output_flag
;
162 enum hdmi_force_audio force_audio
;
164 /* This contains all current supported TV format */
165 u8 tv_format_supported
[TV_FORMAT_NUM
];
166 int format_supported_num
;
167 struct drm_property
*tv_format
;
169 /* add the property for the SDVO-TV */
170 struct drm_property
*left
;
171 struct drm_property
*right
;
172 struct drm_property
*top
;
173 struct drm_property
*bottom
;
174 struct drm_property
*hpos
;
175 struct drm_property
*vpos
;
176 struct drm_property
*contrast
;
177 struct drm_property
*saturation
;
178 struct drm_property
*hue
;
179 struct drm_property
*sharpness
;
180 struct drm_property
*flicker_filter
;
181 struct drm_property
*flicker_filter_adaptive
;
182 struct drm_property
*flicker_filter_2d
;
183 struct drm_property
*tv_chroma_filter
;
184 struct drm_property
*tv_luma_filter
;
185 struct drm_property
*dot_crawl
;
187 /* add the property for the SDVO-TV/LVDS */
188 struct drm_property
*brightness
;
190 /* Add variable to record current setting for the above property */
191 u32 left_margin
, right_margin
, top_margin
, bottom_margin
;
193 /* this is to get the range of margin.*/
194 u32 max_hscan
, max_vscan
;
195 u32 max_hpos
, cur_hpos
;
196 u32 max_vpos
, cur_vpos
;
197 u32 cur_brightness
, max_brightness
;
198 u32 cur_contrast
, max_contrast
;
199 u32 cur_saturation
, max_saturation
;
200 u32 cur_hue
, max_hue
;
201 u32 cur_sharpness
, max_sharpness
;
202 u32 cur_flicker_filter
, max_flicker_filter
;
203 u32 cur_flicker_filter_adaptive
, max_flicker_filter_adaptive
;
204 u32 cur_flicker_filter_2d
, max_flicker_filter_2d
;
205 u32 cur_tv_chroma_filter
, max_tv_chroma_filter
;
206 u32 cur_tv_luma_filter
, max_tv_luma_filter
;
207 u32 cur_dot_crawl
, max_dot_crawl
;
210 static struct intel_sdvo
*to_sdvo(struct intel_encoder
*encoder
)
212 return container_of(encoder
, struct intel_sdvo
, base
);
215 static struct intel_sdvo
*intel_attached_sdvo(struct drm_connector
*connector
)
217 return to_sdvo(intel_attached_encoder(connector
));
220 static struct intel_sdvo_connector
*to_intel_sdvo_connector(struct drm_connector
*connector
)
222 return container_of(to_intel_connector(connector
), struct intel_sdvo_connector
, base
);
226 intel_sdvo_output_setup(struct intel_sdvo
*intel_sdvo
, uint16_t flags
);
228 intel_sdvo_tv_create_property(struct intel_sdvo
*intel_sdvo
,
229 struct intel_sdvo_connector
*intel_sdvo_connector
,
232 intel_sdvo_create_enhance_property(struct intel_sdvo
*intel_sdvo
,
233 struct intel_sdvo_connector
*intel_sdvo_connector
);
236 * Writes the SDVOB or SDVOC with the given value, but always writes both
237 * SDVOB and SDVOC to work around apparent hardware issues (according to
238 * comments in the BIOS).
240 static void intel_sdvo_write_sdvox(struct intel_sdvo
*intel_sdvo
, u32 val
)
242 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
243 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
244 u32 bval
= val
, cval
= val
;
247 if (HAS_PCH_SPLIT(dev_priv
)) {
248 I915_WRITE(intel_sdvo
->sdvo_reg
, val
);
249 POSTING_READ(intel_sdvo
->sdvo_reg
);
251 * HW workaround, need to write this twice for issue
252 * that may result in first write getting masked.
254 if (HAS_PCH_IBX(dev
)) {
255 I915_WRITE(intel_sdvo
->sdvo_reg
, val
);
256 POSTING_READ(intel_sdvo
->sdvo_reg
);
261 if (intel_sdvo
->port
== PORT_B
)
262 cval
= I915_READ(GEN3_SDVOC
);
264 bval
= I915_READ(GEN3_SDVOB
);
267 * Write the registers twice for luck. Sometimes,
268 * writing them only once doesn't appear to 'stick'.
269 * The BIOS does this too. Yay, magic
271 for (i
= 0; i
< 2; i
++)
273 I915_WRITE(GEN3_SDVOB
, bval
);
274 POSTING_READ(GEN3_SDVOB
);
275 I915_WRITE(GEN3_SDVOC
, cval
);
276 POSTING_READ(GEN3_SDVOC
);
280 static bool intel_sdvo_read_byte(struct intel_sdvo
*intel_sdvo
, u8 addr
, u8
*ch
)
282 struct i2c_msg msgs
[] = {
284 .addr
= intel_sdvo
->slave_addr
,
290 .addr
= intel_sdvo
->slave_addr
,
298 if ((ret
= i2c_transfer(intel_sdvo
->i2c
, msgs
, 2)) == 2)
301 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret
);
305 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
306 /** Mapping of command numbers to names, for debug output */
307 static const struct _sdvo_cmd_name
{
310 } sdvo_cmd_names
[] = {
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET
),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS
),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV
),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS
),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS
),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS
),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP
),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP
),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS
),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT
),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG
),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG
),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE
),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT
),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT
),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1
),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2
),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1
),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2
),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1
),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1
),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2
),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1
),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2
),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING
),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1
),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2
),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE
),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE
),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS
),
341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT
),
342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT
),
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS
),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT
),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT
),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES
),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE
),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE
),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE
),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH
),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT
),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT
),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS
),
355 /* Add the op code for SDVO enhancements */
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS
),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS
),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS
),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS
),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS
),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS
),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION
),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION
),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION
),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE
),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE
),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE
),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST
),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST
),
370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST
),
371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS
),
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS
),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS
),
374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H
),
375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H
),
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H
),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V
),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V
),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V
),
380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER
),
381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER
),
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER
),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE
),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE
),
385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE
),
386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D
),
387 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D
),
388 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D
),
389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS
),
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS
),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS
),
392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL
),
393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL
),
394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER
),
395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER
),
396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER
),
397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER
),
398 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER
),
399 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER
),
402 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE
),
403 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE
),
404 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE
),
405 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI
),
406 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI
),
407 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP
),
408 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY
),
409 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY
),
410 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER
),
411 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT
),
412 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT
),
413 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX
),
414 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX
),
415 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO
),
416 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT
),
417 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT
),
418 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE
),
419 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE
),
420 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA
),
421 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA
),
424 #define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC")
426 static void intel_sdvo_debug_write(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
427 const void *args
, int args_len
)
431 char buffer
[BUF_LEN
];
433 #define BUF_PRINT(args...) \
434 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
437 for (i
= 0; i
< args_len
; i
++) {
438 BUF_PRINT("%02X ", ((u8
*)args
)[i
]);
443 for (i
= 0; i
< ARRAY_SIZE(sdvo_cmd_names
); i
++) {
444 if (cmd
== sdvo_cmd_names
[i
].cmd
) {
445 BUF_PRINT("(%s)", sdvo_cmd_names
[i
].name
);
449 if (i
== ARRAY_SIZE(sdvo_cmd_names
)) {
450 BUF_PRINT("(%02X)", cmd
);
452 BUG_ON(pos
>= BUF_LEN
- 1);
456 DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo
), cmd
, buffer
);
459 static const char * const cmd_status_names
[] = {
465 "Target not specified",
466 "Scaling not supported"
469 static bool intel_sdvo_write_cmd(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
470 const void *args
, int args_len
)
473 struct i2c_msg
*msgs
;
476 /* Would be simpler to allocate both in one go ? */
477 buf
= kzalloc(args_len
* 2 + 2, GFP_KERNEL
);
481 msgs
= kcalloc(args_len
+ 3, sizeof(*msgs
), GFP_KERNEL
);
487 intel_sdvo_debug_write(intel_sdvo
, cmd
, args
, args_len
);
489 for (i
= 0; i
< args_len
; i
++) {
490 msgs
[i
].addr
= intel_sdvo
->slave_addr
;
493 msgs
[i
].buf
= buf
+ 2 *i
;
494 buf
[2*i
+ 0] = SDVO_I2C_ARG_0
- i
;
495 buf
[2*i
+ 1] = ((u8
*)args
)[i
];
497 msgs
[i
].addr
= intel_sdvo
->slave_addr
;
500 msgs
[i
].buf
= buf
+ 2*i
;
501 buf
[2*i
+ 0] = SDVO_I2C_OPCODE
;
504 /* the following two are to read the response */
505 status
= SDVO_I2C_CMD_STATUS
;
506 msgs
[i
+1].addr
= intel_sdvo
->slave_addr
;
509 msgs
[i
+1].buf
= &status
;
511 msgs
[i
+2].addr
= intel_sdvo
->slave_addr
;
512 msgs
[i
+2].flags
= I2C_M_RD
;
514 msgs
[i
+2].buf
= &status
;
516 ret
= i2c_transfer(intel_sdvo
->i2c
, msgs
, i
+3);
518 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret
);
523 /* failure in I2C transfer */
524 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret
, i
+3);
534 static bool intel_sdvo_read_response(struct intel_sdvo
*intel_sdvo
,
535 void *response
, int response_len
)
537 u8 retry
= 15; /* 5 quick checks, followed by 10 long checks */
541 char buffer
[BUF_LEN
];
545 * The documentation states that all commands will be
546 * processed within 15µs, and that we need only poll
547 * the status byte a maximum of 3 times in order for the
548 * command to be complete.
550 * Check 5 times in case the hardware failed to read the docs.
552 * Also beware that the first response by many devices is to
553 * reply PENDING and stall for time. TVs are notorious for
554 * requiring longer than specified to complete their replies.
555 * Originally (in the DDX long ago), the delay was only ever 15ms
556 * with an additional delay of 30ms applied for TVs added later after
557 * many experiments. To accommodate both sets of delays, we do a
558 * sequence of slow checks if the device is falling behind and fails
559 * to reply within 5*15µs.
561 if (!intel_sdvo_read_byte(intel_sdvo
,
566 while ((status
== SDVO_CMD_STATUS_PENDING
||
567 status
== SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED
) && --retry
) {
573 if (!intel_sdvo_read_byte(intel_sdvo
,
579 #define BUF_PRINT(args...) \
580 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
582 if (status
<= SDVO_CMD_STATUS_SCALING_NOT_SUPP
)
583 BUF_PRINT("(%s)", cmd_status_names
[status
]);
585 BUF_PRINT("(??? %d)", status
);
587 if (status
!= SDVO_CMD_STATUS_SUCCESS
)
590 /* Read the command response */
591 for (i
= 0; i
< response_len
; i
++) {
592 if (!intel_sdvo_read_byte(intel_sdvo
,
593 SDVO_I2C_RETURN_0
+ i
,
594 &((u8
*)response
)[i
]))
596 BUF_PRINT(" %02X", ((u8
*)response
)[i
]);
598 BUG_ON(pos
>= BUF_LEN
- 1);
602 DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo
), buffer
);
606 DRM_DEBUG_KMS("%s: R: ... failed\n", SDVO_NAME(intel_sdvo
));
610 static int intel_sdvo_get_pixel_multiplier(const struct drm_display_mode
*adjusted_mode
)
612 if (adjusted_mode
->crtc_clock
>= 100000)
614 else if (adjusted_mode
->crtc_clock
>= 50000)
620 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo
*intel_sdvo
,
623 /* This must be the immediately preceding write before the i2c xfer */
624 return intel_sdvo_write_cmd(intel_sdvo
,
625 SDVO_CMD_SET_CONTROL_BUS_SWITCH
,
629 static bool intel_sdvo_set_value(struct intel_sdvo
*intel_sdvo
, u8 cmd
, const void *data
, int len
)
631 if (!intel_sdvo_write_cmd(intel_sdvo
, cmd
, data
, len
))
634 return intel_sdvo_read_response(intel_sdvo
, NULL
, 0);
638 intel_sdvo_get_value(struct intel_sdvo
*intel_sdvo
, u8 cmd
, void *value
, int len
)
640 if (!intel_sdvo_write_cmd(intel_sdvo
, cmd
, NULL
, 0))
643 return intel_sdvo_read_response(intel_sdvo
, value
, len
);
646 static bool intel_sdvo_set_target_input(struct intel_sdvo
*intel_sdvo
)
648 struct intel_sdvo_set_target_input_args targets
= {0};
649 return intel_sdvo_set_value(intel_sdvo
,
650 SDVO_CMD_SET_TARGET_INPUT
,
651 &targets
, sizeof(targets
));
655 * Return whether each input is trained.
657 * This function is making an assumption about the layout of the response,
658 * which should be checked against the docs.
660 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo
*intel_sdvo
, bool *input_1
, bool *input_2
)
662 struct intel_sdvo_get_trained_inputs_response response
;
664 BUILD_BUG_ON(sizeof(response
) != 1);
665 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_TRAINED_INPUTS
,
666 &response
, sizeof(response
)))
669 *input_1
= response
.input0_trained
;
670 *input_2
= response
.input1_trained
;
674 static bool intel_sdvo_set_active_outputs(struct intel_sdvo
*intel_sdvo
,
677 return intel_sdvo_set_value(intel_sdvo
,
678 SDVO_CMD_SET_ACTIVE_OUTPUTS
,
679 &outputs
, sizeof(outputs
));
682 static bool intel_sdvo_get_active_outputs(struct intel_sdvo
*intel_sdvo
,
685 return intel_sdvo_get_value(intel_sdvo
,
686 SDVO_CMD_GET_ACTIVE_OUTPUTS
,
687 outputs
, sizeof(*outputs
));
690 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo
*intel_sdvo
,
693 u8 state
= SDVO_ENCODER_STATE_ON
;
696 case DRM_MODE_DPMS_ON
:
697 state
= SDVO_ENCODER_STATE_ON
;
699 case DRM_MODE_DPMS_STANDBY
:
700 state
= SDVO_ENCODER_STATE_STANDBY
;
702 case DRM_MODE_DPMS_SUSPEND
:
703 state
= SDVO_ENCODER_STATE_SUSPEND
;
705 case DRM_MODE_DPMS_OFF
:
706 state
= SDVO_ENCODER_STATE_OFF
;
710 return intel_sdvo_set_value(intel_sdvo
,
711 SDVO_CMD_SET_ENCODER_POWER_STATE
, &state
, sizeof(state
));
714 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo
*intel_sdvo
,
718 struct intel_sdvo_pixel_clock_range clocks
;
720 BUILD_BUG_ON(sizeof(clocks
) != 4);
721 if (!intel_sdvo_get_value(intel_sdvo
,
722 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE
,
723 &clocks
, sizeof(clocks
)))
726 /* Convert the values from units of 10 kHz to kHz. */
727 *clock_min
= clocks
.min
* 10;
728 *clock_max
= clocks
.max
* 10;
732 static bool intel_sdvo_set_target_output(struct intel_sdvo
*intel_sdvo
,
735 return intel_sdvo_set_value(intel_sdvo
,
736 SDVO_CMD_SET_TARGET_OUTPUT
,
737 &outputs
, sizeof(outputs
));
740 static bool intel_sdvo_set_timing(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
741 struct intel_sdvo_dtd
*dtd
)
743 return intel_sdvo_set_value(intel_sdvo
, cmd
, &dtd
->part1
, sizeof(dtd
->part1
)) &&
744 intel_sdvo_set_value(intel_sdvo
, cmd
+ 1, &dtd
->part2
, sizeof(dtd
->part2
));
747 static bool intel_sdvo_get_timing(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
748 struct intel_sdvo_dtd
*dtd
)
750 return intel_sdvo_get_value(intel_sdvo
, cmd
, &dtd
->part1
, sizeof(dtd
->part1
)) &&
751 intel_sdvo_get_value(intel_sdvo
, cmd
+ 1, &dtd
->part2
, sizeof(dtd
->part2
));
754 static bool intel_sdvo_set_input_timing(struct intel_sdvo
*intel_sdvo
,
755 struct intel_sdvo_dtd
*dtd
)
757 return intel_sdvo_set_timing(intel_sdvo
,
758 SDVO_CMD_SET_INPUT_TIMINGS_PART1
, dtd
);
761 static bool intel_sdvo_set_output_timing(struct intel_sdvo
*intel_sdvo
,
762 struct intel_sdvo_dtd
*dtd
)
764 return intel_sdvo_set_timing(intel_sdvo
,
765 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1
, dtd
);
768 static bool intel_sdvo_get_input_timing(struct intel_sdvo
*intel_sdvo
,
769 struct intel_sdvo_dtd
*dtd
)
771 return intel_sdvo_get_timing(intel_sdvo
,
772 SDVO_CMD_GET_INPUT_TIMINGS_PART1
, dtd
);
776 intel_sdvo_create_preferred_input_timing(struct intel_sdvo
*intel_sdvo
,
781 struct intel_sdvo_preferred_input_timing_args args
;
783 memset(&args
, 0, sizeof(args
));
786 args
.height
= height
;
789 if (intel_sdvo
->is_lvds
&&
790 (intel_sdvo
->sdvo_lvds_fixed_mode
->hdisplay
!= width
||
791 intel_sdvo
->sdvo_lvds_fixed_mode
->vdisplay
!= height
))
794 return intel_sdvo_set_value(intel_sdvo
,
795 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING
,
796 &args
, sizeof(args
));
799 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo
*intel_sdvo
,
800 struct intel_sdvo_dtd
*dtd
)
802 BUILD_BUG_ON(sizeof(dtd
->part1
) != 8);
803 BUILD_BUG_ON(sizeof(dtd
->part2
) != 8);
804 return intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1
,
805 &dtd
->part1
, sizeof(dtd
->part1
)) &&
806 intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2
,
807 &dtd
->part2
, sizeof(dtd
->part2
));
810 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo
*intel_sdvo
, u8 val
)
812 return intel_sdvo_set_value(intel_sdvo
, SDVO_CMD_SET_CLOCK_RATE_MULT
, &val
, 1);
815 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd
*dtd
,
816 const struct drm_display_mode
*mode
)
818 uint16_t width
, height
;
819 uint16_t h_blank_len
, h_sync_len
, v_blank_len
, v_sync_len
;
820 uint16_t h_sync_offset
, v_sync_offset
;
823 memset(dtd
, 0, sizeof(*dtd
));
825 width
= mode
->hdisplay
;
826 height
= mode
->vdisplay
;
828 /* do some mode translations */
829 h_blank_len
= mode
->htotal
- mode
->hdisplay
;
830 h_sync_len
= mode
->hsync_end
- mode
->hsync_start
;
832 v_blank_len
= mode
->vtotal
- mode
->vdisplay
;
833 v_sync_len
= mode
->vsync_end
- mode
->vsync_start
;
835 h_sync_offset
= mode
->hsync_start
- mode
->hdisplay
;
836 v_sync_offset
= mode
->vsync_start
- mode
->vdisplay
;
838 mode_clock
= mode
->clock
;
840 dtd
->part1
.clock
= mode_clock
;
842 dtd
->part1
.h_active
= width
& 0xff;
843 dtd
->part1
.h_blank
= h_blank_len
& 0xff;
844 dtd
->part1
.h_high
= (((width
>> 8) & 0xf) << 4) |
845 ((h_blank_len
>> 8) & 0xf);
846 dtd
->part1
.v_active
= height
& 0xff;
847 dtd
->part1
.v_blank
= v_blank_len
& 0xff;
848 dtd
->part1
.v_high
= (((height
>> 8) & 0xf) << 4) |
849 ((v_blank_len
>> 8) & 0xf);
851 dtd
->part2
.h_sync_off
= h_sync_offset
& 0xff;
852 dtd
->part2
.h_sync_width
= h_sync_len
& 0xff;
853 dtd
->part2
.v_sync_off_width
= (v_sync_offset
& 0xf) << 4 |
855 dtd
->part2
.sync_off_width_high
= ((h_sync_offset
& 0x300) >> 2) |
856 ((h_sync_len
& 0x300) >> 4) | ((v_sync_offset
& 0x30) >> 2) |
857 ((v_sync_len
& 0x30) >> 4);
859 dtd
->part2
.dtd_flags
= 0x18;
860 if (mode
->flags
& DRM_MODE_FLAG_INTERLACE
)
861 dtd
->part2
.dtd_flags
|= DTD_FLAG_INTERLACE
;
862 if (mode
->flags
& DRM_MODE_FLAG_PHSYNC
)
863 dtd
->part2
.dtd_flags
|= DTD_FLAG_HSYNC_POSITIVE
;
864 if (mode
->flags
& DRM_MODE_FLAG_PVSYNC
)
865 dtd
->part2
.dtd_flags
|= DTD_FLAG_VSYNC_POSITIVE
;
867 dtd
->part2
.v_sync_off_high
= v_sync_offset
& 0xc0;
870 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode
*pmode
,
871 const struct intel_sdvo_dtd
*dtd
)
873 struct drm_display_mode mode
= {};
875 mode
.hdisplay
= dtd
->part1
.h_active
;
876 mode
.hdisplay
+= ((dtd
->part1
.h_high
>> 4) & 0x0f) << 8;
877 mode
.hsync_start
= mode
.hdisplay
+ dtd
->part2
.h_sync_off
;
878 mode
.hsync_start
+= (dtd
->part2
.sync_off_width_high
& 0xc0) << 2;
879 mode
.hsync_end
= mode
.hsync_start
+ dtd
->part2
.h_sync_width
;
880 mode
.hsync_end
+= (dtd
->part2
.sync_off_width_high
& 0x30) << 4;
881 mode
.htotal
= mode
.hdisplay
+ dtd
->part1
.h_blank
;
882 mode
.htotal
+= (dtd
->part1
.h_high
& 0xf) << 8;
884 mode
.vdisplay
= dtd
->part1
.v_active
;
885 mode
.vdisplay
+= ((dtd
->part1
.v_high
>> 4) & 0x0f) << 8;
886 mode
.vsync_start
= mode
.vdisplay
;
887 mode
.vsync_start
+= (dtd
->part2
.v_sync_off_width
>> 4) & 0xf;
888 mode
.vsync_start
+= (dtd
->part2
.sync_off_width_high
& 0x0c) << 2;
889 mode
.vsync_start
+= dtd
->part2
.v_sync_off_high
& 0xc0;
890 mode
.vsync_end
= mode
.vsync_start
+
891 (dtd
->part2
.v_sync_off_width
& 0xf);
892 mode
.vsync_end
+= (dtd
->part2
.sync_off_width_high
& 0x3) << 4;
893 mode
.vtotal
= mode
.vdisplay
+ dtd
->part1
.v_blank
;
894 mode
.vtotal
+= (dtd
->part1
.v_high
& 0xf) << 8;
896 mode
.clock
= dtd
->part1
.clock
* 10;
898 if (dtd
->part2
.dtd_flags
& DTD_FLAG_INTERLACE
)
899 mode
.flags
|= DRM_MODE_FLAG_INTERLACE
;
900 if (dtd
->part2
.dtd_flags
& DTD_FLAG_HSYNC_POSITIVE
)
901 mode
.flags
|= DRM_MODE_FLAG_PHSYNC
;
903 mode
.flags
|= DRM_MODE_FLAG_NHSYNC
;
904 if (dtd
->part2
.dtd_flags
& DTD_FLAG_VSYNC_POSITIVE
)
905 mode
.flags
|= DRM_MODE_FLAG_PVSYNC
;
907 mode
.flags
|= DRM_MODE_FLAG_NVSYNC
;
909 drm_mode_set_crtcinfo(&mode
, 0);
911 drm_mode_copy(pmode
, &mode
);
914 static bool intel_sdvo_check_supp_encode(struct intel_sdvo
*intel_sdvo
)
916 struct intel_sdvo_encode encode
;
918 BUILD_BUG_ON(sizeof(encode
) != 2);
919 return intel_sdvo_get_value(intel_sdvo
,
920 SDVO_CMD_GET_SUPP_ENCODE
,
921 &encode
, sizeof(encode
));
924 static bool intel_sdvo_set_encode(struct intel_sdvo
*intel_sdvo
,
927 return intel_sdvo_set_value(intel_sdvo
, SDVO_CMD_SET_ENCODE
, &mode
, 1);
930 static bool intel_sdvo_set_colorimetry(struct intel_sdvo
*intel_sdvo
,
933 return intel_sdvo_set_value(intel_sdvo
, SDVO_CMD_SET_COLORIMETRY
, &mode
, 1);
937 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo
*intel_sdvo
)
940 uint8_t set_buf_index
[2];
946 intel_sdvo_get_value(encoder
, SDVO_CMD_GET_HBUF_AV_SPLIT
, &av_split
, 1);
948 for (i
= 0; i
<= av_split
; i
++) {
949 set_buf_index
[0] = i
; set_buf_index
[1] = 0;
950 intel_sdvo_write_cmd(encoder
, SDVO_CMD_SET_HBUF_INDEX
,
952 intel_sdvo_write_cmd(encoder
, SDVO_CMD_GET_HBUF_INFO
, NULL
, 0);
953 intel_sdvo_read_response(encoder
, &buf_size
, 1);
956 for (j
= 0; j
<= buf_size
; j
+= 8) {
957 intel_sdvo_write_cmd(encoder
, SDVO_CMD_GET_HBUF_DATA
,
959 intel_sdvo_read_response(encoder
, pos
, 8);
966 static bool intel_sdvo_write_infoframe(struct intel_sdvo
*intel_sdvo
,
967 unsigned if_index
, uint8_t tx_rate
,
968 const uint8_t *data
, unsigned length
)
970 uint8_t set_buf_index
[2] = { if_index
, 0 };
971 uint8_t hbuf_size
, tmp
[8];
974 if (!intel_sdvo_set_value(intel_sdvo
,
975 SDVO_CMD_SET_HBUF_INDEX
,
979 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_HBUF_INFO
,
983 /* Buffer size is 0 based, hooray! */
986 DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
987 if_index
, length
, hbuf_size
);
989 for (i
= 0; i
< hbuf_size
; i
+= 8) {
992 memcpy(tmp
, data
+ i
, min_t(unsigned, 8, length
- i
));
994 if (!intel_sdvo_set_value(intel_sdvo
,
995 SDVO_CMD_SET_HBUF_DATA
,
1000 return intel_sdvo_set_value(intel_sdvo
,
1001 SDVO_CMD_SET_HBUF_TXRATE
,
1005 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo
*intel_sdvo
,
1006 const struct drm_display_mode
*adjusted_mode
)
1008 uint8_t sdvo_data
[HDMI_INFOFRAME_SIZE(AVI
)];
1009 struct drm_crtc
*crtc
= intel_sdvo
->base
.base
.crtc
;
1010 struct intel_crtc
*intel_crtc
= to_intel_crtc(crtc
);
1011 union hdmi_infoframe frame
;
1015 ret
= drm_hdmi_avi_infoframe_from_display_mode(&frame
.avi
,
1018 DRM_ERROR("couldn't fill AVI infoframe\n");
1022 if (intel_sdvo
->rgb_quant_range_selectable
) {
1023 if (intel_crtc
->config
->limited_color_range
)
1024 frame
.avi
.quantization_range
=
1025 HDMI_QUANTIZATION_RANGE_LIMITED
;
1027 frame
.avi
.quantization_range
=
1028 HDMI_QUANTIZATION_RANGE_FULL
;
1031 len
= hdmi_infoframe_pack(&frame
, sdvo_data
, sizeof(sdvo_data
));
1035 return intel_sdvo_write_infoframe(intel_sdvo
, SDVO_HBUF_INDEX_AVI_IF
,
1037 sdvo_data
, sizeof(sdvo_data
));
1040 static bool intel_sdvo_set_tv_format(struct intel_sdvo
*intel_sdvo
)
1042 struct intel_sdvo_tv_format format
;
1043 uint32_t format_map
;
1045 format_map
= 1 << intel_sdvo
->tv_format_index
;
1046 memset(&format
, 0, sizeof(format
));
1047 memcpy(&format
, &format_map
, min(sizeof(format
), sizeof(format_map
)));
1049 BUILD_BUG_ON(sizeof(format
) != 6);
1050 return intel_sdvo_set_value(intel_sdvo
,
1051 SDVO_CMD_SET_TV_FORMAT
,
1052 &format
, sizeof(format
));
1056 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo
*intel_sdvo
,
1057 const struct drm_display_mode
*mode
)
1059 struct intel_sdvo_dtd output_dtd
;
1061 if (!intel_sdvo_set_target_output(intel_sdvo
,
1062 intel_sdvo
->attached_output
))
1065 intel_sdvo_get_dtd_from_mode(&output_dtd
, mode
);
1066 if (!intel_sdvo_set_output_timing(intel_sdvo
, &output_dtd
))
1072 /* Asks the sdvo controller for the preferred input mode given the output mode.
1073 * Unfortunately we have to set up the full output mode to do that. */
1075 intel_sdvo_get_preferred_input_mode(struct intel_sdvo
*intel_sdvo
,
1076 const struct drm_display_mode
*mode
,
1077 struct drm_display_mode
*adjusted_mode
)
1079 struct intel_sdvo_dtd input_dtd
;
1081 /* Reset the input timing to the screen. Assume always input 0. */
1082 if (!intel_sdvo_set_target_input(intel_sdvo
))
1085 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo
,
1091 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo
,
1095 intel_sdvo_get_mode_from_dtd(adjusted_mode
, &input_dtd
);
1096 intel_sdvo
->dtd_sdvo_flags
= input_dtd
.part2
.sdvo_flags
;
1101 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state
*pipe_config
)
1103 unsigned dotclock
= pipe_config
->port_clock
;
1104 struct dpll
*clock
= &pipe_config
->dpll
;
1106 /* SDVO TV has fixed PLL values depend on its clock range,
1107 this mirrors vbios setting. */
1108 if (dotclock
>= 100000 && dotclock
< 140500) {
1114 } else if (dotclock
>= 140500 && dotclock
<= 200000) {
1121 WARN(1, "SDVO TV clock out of range: %i\n", dotclock
);
1124 pipe_config
->clock_set
= true;
1127 static bool intel_sdvo_compute_config(struct intel_encoder
*encoder
,
1128 struct intel_crtc_state
*pipe_config
)
1130 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1131 struct drm_display_mode
*adjusted_mode
= &pipe_config
->base
.adjusted_mode
;
1132 struct drm_display_mode
*mode
= &pipe_config
->base
.mode
;
1134 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1135 pipe_config
->pipe_bpp
= 8*3;
1137 if (HAS_PCH_SPLIT(encoder
->base
.dev
))
1138 pipe_config
->has_pch_encoder
= true;
1140 /* We need to construct preferred input timings based on our
1141 * output timings. To do that, we have to set the output
1142 * timings, even though this isn't really the right place in
1143 * the sequence to do it. Oh well.
1145 if (intel_sdvo
->is_tv
) {
1146 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo
, mode
))
1149 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo
,
1152 pipe_config
->sdvo_tv_clock
= true;
1153 } else if (intel_sdvo
->is_lvds
) {
1154 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo
,
1155 intel_sdvo
->sdvo_lvds_fixed_mode
))
1158 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo
,
1163 /* Make the CRTC code factor in the SDVO pixel multiplier. The
1164 * SDVO device will factor out the multiplier during mode_set.
1166 pipe_config
->pixel_multiplier
=
1167 intel_sdvo_get_pixel_multiplier(adjusted_mode
);
1169 pipe_config
->has_hdmi_sink
= intel_sdvo
->has_hdmi_monitor
;
1171 if (intel_sdvo
->color_range_auto
) {
1172 /* See CEA-861-E - 5.1 Default Encoding Parameters */
1173 /* FIXME: This bit is only valid when using TMDS encoding and 8
1174 * bit per color mode. */
1175 if (pipe_config
->has_hdmi_sink
&&
1176 drm_match_cea_mode(adjusted_mode
) > 1)
1177 pipe_config
->limited_color_range
= true;
1179 if (pipe_config
->has_hdmi_sink
&&
1180 intel_sdvo
->color_range
== HDMI_COLOR_RANGE_16_235
)
1181 pipe_config
->limited_color_range
= true;
1184 /* Clock computation needs to happen after pixel multiplier. */
1185 if (intel_sdvo
->is_tv
)
1186 i9xx_adjust_sdvo_tv_clock(pipe_config
);
1188 /* Set user selected PAR to incoming mode's member */
1189 if (intel_sdvo
->is_hdmi
)
1190 adjusted_mode
->picture_aspect_ratio
= intel_sdvo
->aspect_ratio
;
1195 static void intel_sdvo_pre_enable(struct intel_encoder
*intel_encoder
)
1197 struct drm_device
*dev
= intel_encoder
->base
.dev
;
1198 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1199 struct intel_crtc
*crtc
= to_intel_crtc(intel_encoder
->base
.crtc
);
1200 const struct drm_display_mode
*adjusted_mode
= &crtc
->config
->base
.adjusted_mode
;
1201 struct drm_display_mode
*mode
= &crtc
->config
->base
.mode
;
1202 struct intel_sdvo
*intel_sdvo
= to_sdvo(intel_encoder
);
1204 struct intel_sdvo_in_out_map in_out
;
1205 struct intel_sdvo_dtd input_dtd
, output_dtd
;
1211 /* First, set the input mapping for the first input to our controlled
1212 * output. This is only correct if we're a single-input device, in
1213 * which case the first input is the output from the appropriate SDVO
1214 * channel on the motherboard. In a two-input device, the first input
1215 * will be SDVOB and the second SDVOC.
1217 in_out
.in0
= intel_sdvo
->attached_output
;
1220 intel_sdvo_set_value(intel_sdvo
,
1221 SDVO_CMD_SET_IN_OUT_MAP
,
1222 &in_out
, sizeof(in_out
));
1224 /* Set the output timings to the screen */
1225 if (!intel_sdvo_set_target_output(intel_sdvo
,
1226 intel_sdvo
->attached_output
))
1229 /* lvds has a special fixed output timing. */
1230 if (intel_sdvo
->is_lvds
)
1231 intel_sdvo_get_dtd_from_mode(&output_dtd
,
1232 intel_sdvo
->sdvo_lvds_fixed_mode
);
1234 intel_sdvo_get_dtd_from_mode(&output_dtd
, mode
);
1235 if (!intel_sdvo_set_output_timing(intel_sdvo
, &output_dtd
))
1236 DRM_INFO("Setting output timings on %s failed\n",
1237 SDVO_NAME(intel_sdvo
));
1239 /* Set the input timing to the screen. Assume always input 0. */
1240 if (!intel_sdvo_set_target_input(intel_sdvo
))
1243 if (crtc
->config
->has_hdmi_sink
) {
1244 intel_sdvo_set_encode(intel_sdvo
, SDVO_ENCODE_HDMI
);
1245 intel_sdvo_set_colorimetry(intel_sdvo
,
1246 SDVO_COLORIMETRY_RGB256
);
1247 intel_sdvo_set_avi_infoframe(intel_sdvo
, adjusted_mode
);
1249 intel_sdvo_set_encode(intel_sdvo
, SDVO_ENCODE_DVI
);
1251 if (intel_sdvo
->is_tv
&&
1252 !intel_sdvo_set_tv_format(intel_sdvo
))
1255 intel_sdvo_get_dtd_from_mode(&input_dtd
, adjusted_mode
);
1257 if (intel_sdvo
->is_tv
|| intel_sdvo
->is_lvds
)
1258 input_dtd
.part2
.sdvo_flags
= intel_sdvo
->dtd_sdvo_flags
;
1259 if (!intel_sdvo_set_input_timing(intel_sdvo
, &input_dtd
))
1260 DRM_INFO("Setting input timings on %s failed\n",
1261 SDVO_NAME(intel_sdvo
));
1263 switch (crtc
->config
->pixel_multiplier
) {
1265 WARN(1, "unknown pixel multiplier specified\n");
1266 case 1: rate
= SDVO_CLOCK_RATE_MULT_1X
; break;
1267 case 2: rate
= SDVO_CLOCK_RATE_MULT_2X
; break;
1268 case 4: rate
= SDVO_CLOCK_RATE_MULT_4X
; break;
1270 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo
, rate
))
1273 /* Set the SDVO control regs. */
1274 if (INTEL_INFO(dev
)->gen
>= 4) {
1275 /* The real mode polarity is set by the SDVO commands, using
1276 * struct intel_sdvo_dtd. */
1277 sdvox
= SDVO_VSYNC_ACTIVE_HIGH
| SDVO_HSYNC_ACTIVE_HIGH
;
1278 if (!HAS_PCH_SPLIT(dev
) && crtc
->config
->limited_color_range
)
1279 sdvox
|= HDMI_COLOR_RANGE_16_235
;
1280 if (INTEL_INFO(dev
)->gen
< 5)
1281 sdvox
|= SDVO_BORDER_ENABLE
;
1283 sdvox
= I915_READ(intel_sdvo
->sdvo_reg
);
1284 if (intel_sdvo
->port
== PORT_B
)
1285 sdvox
&= SDVOB_PRESERVE_MASK
;
1287 sdvox
&= SDVOC_PRESERVE_MASK
;
1288 sdvox
|= (9 << 19) | SDVO_BORDER_ENABLE
;
1291 if (INTEL_PCH_TYPE(dev
) >= PCH_CPT
)
1292 sdvox
|= SDVO_PIPE_SEL_CPT(crtc
->pipe
);
1294 sdvox
|= SDVO_PIPE_SEL(crtc
->pipe
);
1296 if (intel_sdvo
->has_hdmi_audio
)
1297 sdvox
|= SDVO_AUDIO_ENABLE
;
1299 if (INTEL_INFO(dev
)->gen
>= 4) {
1300 /* done in crtc_mode_set as the dpll_md reg must be written early */
1301 } else if (IS_I945G(dev
) || IS_I945GM(dev
) || IS_G33(dev
)) {
1302 /* done in crtc_mode_set as it lives inside the dpll register */
1304 sdvox
|= (crtc
->config
->pixel_multiplier
- 1)
1305 << SDVO_PORT_MULTIPLY_SHIFT
;
1308 if (input_dtd
.part2
.sdvo_flags
& SDVO_NEED_TO_STALL
&&
1309 INTEL_INFO(dev
)->gen
< 5)
1310 sdvox
|= SDVO_STALL_SELECT
;
1311 intel_sdvo_write_sdvox(intel_sdvo
, sdvox
);
1314 static bool intel_sdvo_connector_get_hw_state(struct intel_connector
*connector
)
1316 struct intel_sdvo_connector
*intel_sdvo_connector
=
1317 to_intel_sdvo_connector(&connector
->base
);
1318 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(&connector
->base
);
1319 u16 active_outputs
= 0;
1321 intel_sdvo_get_active_outputs(intel_sdvo
, &active_outputs
);
1323 if (active_outputs
& intel_sdvo_connector
->output_flag
)
1329 static bool intel_sdvo_get_hw_state(struct intel_encoder
*encoder
,
1332 struct drm_device
*dev
= encoder
->base
.dev
;
1333 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1334 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1335 u16 active_outputs
= 0;
1338 tmp
= I915_READ(intel_sdvo
->sdvo_reg
);
1339 intel_sdvo_get_active_outputs(intel_sdvo
, &active_outputs
);
1341 if (!(tmp
& SDVO_ENABLE
) && (active_outputs
== 0))
1344 if (HAS_PCH_CPT(dev
))
1345 *pipe
= PORT_TO_PIPE_CPT(tmp
);
1347 *pipe
= PORT_TO_PIPE(tmp
);
1352 static void intel_sdvo_get_config(struct intel_encoder
*encoder
,
1353 struct intel_crtc_state
*pipe_config
)
1355 struct drm_device
*dev
= encoder
->base
.dev
;
1356 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1357 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1358 struct intel_sdvo_dtd dtd
;
1359 int encoder_pixel_multiplier
= 0;
1361 u32 flags
= 0, sdvox
;
1365 sdvox
= I915_READ(intel_sdvo
->sdvo_reg
);
1367 ret
= intel_sdvo_get_input_timing(intel_sdvo
, &dtd
);
1369 /* Some sdvo encoders are not spec compliant and don't
1370 * implement the mandatory get_timings function. */
1371 DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n");
1372 pipe_config
->quirks
|= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS
;
1374 if (dtd
.part2
.dtd_flags
& DTD_FLAG_HSYNC_POSITIVE
)
1375 flags
|= DRM_MODE_FLAG_PHSYNC
;
1377 flags
|= DRM_MODE_FLAG_NHSYNC
;
1379 if (dtd
.part2
.dtd_flags
& DTD_FLAG_VSYNC_POSITIVE
)
1380 flags
|= DRM_MODE_FLAG_PVSYNC
;
1382 flags
|= DRM_MODE_FLAG_NVSYNC
;
1385 pipe_config
->base
.adjusted_mode
.flags
|= flags
;
1388 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1389 * the sdvo port register, on all other platforms it is part of the dpll
1390 * state. Since the general pipe state readout happens before the
1391 * encoder->get_config we so already have a valid pixel multplier on all
1394 if (IS_I915G(dev
) || IS_I915GM(dev
)) {
1395 pipe_config
->pixel_multiplier
=
1396 ((sdvox
& SDVO_PORT_MULTIPLY_MASK
)
1397 >> SDVO_PORT_MULTIPLY_SHIFT
) + 1;
1400 dotclock
= pipe_config
->port_clock
;
1402 if (pipe_config
->pixel_multiplier
)
1403 dotclock
/= pipe_config
->pixel_multiplier
;
1405 pipe_config
->base
.adjusted_mode
.crtc_clock
= dotclock
;
1407 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1408 if (intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_CLOCK_RATE_MULT
,
1411 case SDVO_CLOCK_RATE_MULT_1X
:
1412 encoder_pixel_multiplier
= 1;
1414 case SDVO_CLOCK_RATE_MULT_2X
:
1415 encoder_pixel_multiplier
= 2;
1417 case SDVO_CLOCK_RATE_MULT_4X
:
1418 encoder_pixel_multiplier
= 4;
1423 if (sdvox
& HDMI_COLOR_RANGE_16_235
)
1424 pipe_config
->limited_color_range
= true;
1426 if (intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_ENCODE
,
1428 if (val
== SDVO_ENCODE_HDMI
)
1429 pipe_config
->has_hdmi_sink
= true;
1432 WARN(encoder_pixel_multiplier
!= pipe_config
->pixel_multiplier
,
1433 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1434 pipe_config
->pixel_multiplier
, encoder_pixel_multiplier
);
1437 static void intel_disable_sdvo(struct intel_encoder
*encoder
)
1439 struct drm_i915_private
*dev_priv
= encoder
->base
.dev
->dev_private
;
1440 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1441 struct intel_crtc
*crtc
= to_intel_crtc(encoder
->base
.crtc
);
1444 intel_sdvo_set_active_outputs(intel_sdvo
, 0);
1446 intel_sdvo_set_encoder_power_state(intel_sdvo
,
1449 temp
= I915_READ(intel_sdvo
->sdvo_reg
);
1451 temp
&= ~SDVO_ENABLE
;
1452 intel_sdvo_write_sdvox(intel_sdvo
, temp
);
1455 * HW workaround for IBX, we need to move the port
1456 * to transcoder A after disabling it to allow the
1457 * matching DP port to be enabled on transcoder A.
1459 if (HAS_PCH_IBX(dev_priv
) && crtc
->pipe
== PIPE_B
) {
1461 * We get CPU/PCH FIFO underruns on the other pipe when
1462 * doing the workaround. Sweep them under the rug.
1464 intel_set_cpu_fifo_underrun_reporting(dev_priv
, PIPE_A
, false);
1465 intel_set_pch_fifo_underrun_reporting(dev_priv
, PIPE_A
, false);
1467 temp
&= ~SDVO_PIPE_B_SELECT
;
1468 temp
|= SDVO_ENABLE
;
1469 intel_sdvo_write_sdvox(intel_sdvo
, temp
);
1471 temp
&= ~SDVO_ENABLE
;
1472 intel_sdvo_write_sdvox(intel_sdvo
, temp
);
1474 intel_wait_for_vblank_if_active(dev_priv
->dev
, PIPE_A
);
1475 intel_set_cpu_fifo_underrun_reporting(dev_priv
, PIPE_A
, true);
1476 intel_set_pch_fifo_underrun_reporting(dev_priv
, PIPE_A
, true);
1480 static void pch_disable_sdvo(struct intel_encoder
*encoder
)
1484 static void pch_post_disable_sdvo(struct intel_encoder
*encoder
)
1486 intel_disable_sdvo(encoder
);
1489 static void intel_enable_sdvo(struct intel_encoder
*encoder
)
1491 struct drm_device
*dev
= encoder
->base
.dev
;
1492 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1493 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1494 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->base
.crtc
);
1496 bool input1
, input2
;
1500 temp
= I915_READ(intel_sdvo
->sdvo_reg
);
1501 temp
|= SDVO_ENABLE
;
1502 intel_sdvo_write_sdvox(intel_sdvo
, temp
);
1504 for (i
= 0; i
< 2; i
++)
1505 intel_wait_for_vblank(dev
, intel_crtc
->pipe
);
1507 success
= intel_sdvo_get_trained_inputs(intel_sdvo
, &input1
, &input2
);
1508 /* Warn if the device reported failure to sync.
1509 * A lot of SDVO devices fail to notify of sync, but it's
1510 * a given it the status is a success, we succeeded.
1512 if (success
&& !input1
) {
1513 DRM_DEBUG_KMS("First %s output reported failure to "
1514 "sync\n", SDVO_NAME(intel_sdvo
));
1518 intel_sdvo_set_encoder_power_state(intel_sdvo
,
1520 intel_sdvo_set_active_outputs(intel_sdvo
, intel_sdvo
->attached_output
);
1523 static enum drm_mode_status
1524 intel_sdvo_mode_valid(struct drm_connector
*connector
,
1525 struct drm_display_mode
*mode
)
1527 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1528 int max_dotclk
= to_i915(connector
->dev
)->max_dotclk_freq
;
1530 if (mode
->flags
& DRM_MODE_FLAG_DBLSCAN
)
1531 return MODE_NO_DBLESCAN
;
1533 if (intel_sdvo
->pixel_clock_min
> mode
->clock
)
1534 return MODE_CLOCK_LOW
;
1536 if (intel_sdvo
->pixel_clock_max
< mode
->clock
)
1537 return MODE_CLOCK_HIGH
;
1539 if (mode
->clock
> max_dotclk
)
1540 return MODE_CLOCK_HIGH
;
1542 if (intel_sdvo
->is_lvds
) {
1543 if (mode
->hdisplay
> intel_sdvo
->sdvo_lvds_fixed_mode
->hdisplay
)
1546 if (mode
->vdisplay
> intel_sdvo
->sdvo_lvds_fixed_mode
->vdisplay
)
1553 static bool intel_sdvo_get_capabilities(struct intel_sdvo
*intel_sdvo
, struct intel_sdvo_caps
*caps
)
1555 BUILD_BUG_ON(sizeof(*caps
) != 8);
1556 if (!intel_sdvo_get_value(intel_sdvo
,
1557 SDVO_CMD_GET_DEVICE_CAPS
,
1558 caps
, sizeof(*caps
)))
1561 DRM_DEBUG_KMS("SDVO capabilities:\n"
1564 " device_rev_id: %d\n"
1565 " sdvo_version_major: %d\n"
1566 " sdvo_version_minor: %d\n"
1567 " sdvo_inputs_mask: %d\n"
1568 " smooth_scaling: %d\n"
1569 " sharp_scaling: %d\n"
1571 " down_scaling: %d\n"
1572 " stall_support: %d\n"
1573 " output_flags: %d\n",
1576 caps
->device_rev_id
,
1577 caps
->sdvo_version_major
,
1578 caps
->sdvo_version_minor
,
1579 caps
->sdvo_inputs_mask
,
1580 caps
->smooth_scaling
,
1581 caps
->sharp_scaling
,
1584 caps
->stall_support
,
1585 caps
->output_flags
);
1590 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo
*intel_sdvo
)
1592 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
1595 if (!I915_HAS_HOTPLUG(dev
))
1598 /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1600 if (IS_I945G(dev
) || IS_I945GM(dev
))
1603 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_HOT_PLUG_SUPPORT
,
1604 &hotplug
, sizeof(hotplug
)))
1610 static void intel_sdvo_enable_hotplug(struct intel_encoder
*encoder
)
1612 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1614 intel_sdvo_write_cmd(intel_sdvo
, SDVO_CMD_SET_ACTIVE_HOT_PLUG
,
1615 &intel_sdvo
->hotplug_active
, 2);
1619 intel_sdvo_multifunc_encoder(struct intel_sdvo
*intel_sdvo
)
1621 /* Is there more than one type of output? */
1622 return hweight16(intel_sdvo
->caps
.output_flags
) > 1;
1625 static struct edid
*
1626 intel_sdvo_get_edid(struct drm_connector
*connector
)
1628 struct intel_sdvo
*sdvo
= intel_attached_sdvo(connector
);
1629 return drm_get_edid(connector
, &sdvo
->ddc
);
1632 /* Mac mini hack -- use the same DDC as the analog connector */
1633 static struct edid
*
1634 intel_sdvo_get_analog_edid(struct drm_connector
*connector
)
1636 struct drm_i915_private
*dev_priv
= connector
->dev
->dev_private
;
1638 return drm_get_edid(connector
,
1639 intel_gmbus_get_adapter(dev_priv
,
1640 dev_priv
->vbt
.crt_ddc_pin
));
1643 static enum drm_connector_status
1644 intel_sdvo_tmds_sink_detect(struct drm_connector
*connector
)
1646 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1647 enum drm_connector_status status
;
1650 edid
= intel_sdvo_get_edid(connector
);
1652 if (edid
== NULL
&& intel_sdvo_multifunc_encoder(intel_sdvo
)) {
1653 u8 ddc
, saved_ddc
= intel_sdvo
->ddc_bus
;
1656 * Don't use the 1 as the argument of DDC bus switch to get
1657 * the EDID. It is used for SDVO SPD ROM.
1659 for (ddc
= intel_sdvo
->ddc_bus
>> 1; ddc
> 1; ddc
>>= 1) {
1660 intel_sdvo
->ddc_bus
= ddc
;
1661 edid
= intel_sdvo_get_edid(connector
);
1666 * If we found the EDID on the other bus,
1667 * assume that is the correct DDC bus.
1670 intel_sdvo
->ddc_bus
= saved_ddc
;
1674 * When there is no edid and no monitor is connected with VGA
1675 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1678 edid
= intel_sdvo_get_analog_edid(connector
);
1680 status
= connector_status_unknown
;
1682 /* DDC bus is shared, match EDID to connector type */
1683 if (edid
->input
& DRM_EDID_INPUT_DIGITAL
) {
1684 status
= connector_status_connected
;
1685 if (intel_sdvo
->is_hdmi
) {
1686 intel_sdvo
->has_hdmi_monitor
= drm_detect_hdmi_monitor(edid
);
1687 intel_sdvo
->has_hdmi_audio
= drm_detect_monitor_audio(edid
);
1688 intel_sdvo
->rgb_quant_range_selectable
=
1689 drm_rgb_quant_range_selectable(edid
);
1692 status
= connector_status_disconnected
;
1696 if (status
== connector_status_connected
) {
1697 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
1698 if (intel_sdvo_connector
->force_audio
!= HDMI_AUDIO_AUTO
)
1699 intel_sdvo
->has_hdmi_audio
= (intel_sdvo_connector
->force_audio
== HDMI_AUDIO_ON
);
1706 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector
*sdvo
,
1709 bool monitor_is_digital
= !!(edid
->input
& DRM_EDID_INPUT_DIGITAL
);
1710 bool connector_is_digital
= !!IS_DIGITAL(sdvo
);
1712 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1713 connector_is_digital
, monitor_is_digital
);
1714 return connector_is_digital
== monitor_is_digital
;
1717 static enum drm_connector_status
1718 intel_sdvo_detect(struct drm_connector
*connector
, bool force
)
1721 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1722 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
1723 enum drm_connector_status ret
;
1725 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1726 connector
->base
.id
, connector
->name
);
1728 if (!intel_sdvo_get_value(intel_sdvo
,
1729 SDVO_CMD_GET_ATTACHED_DISPLAYS
,
1731 return connector_status_unknown
;
1733 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1734 response
& 0xff, response
>> 8,
1735 intel_sdvo_connector
->output_flag
);
1738 return connector_status_disconnected
;
1740 intel_sdvo
->attached_output
= response
;
1742 intel_sdvo
->has_hdmi_monitor
= false;
1743 intel_sdvo
->has_hdmi_audio
= false;
1744 intel_sdvo
->rgb_quant_range_selectable
= false;
1746 if ((intel_sdvo_connector
->output_flag
& response
) == 0)
1747 ret
= connector_status_disconnected
;
1748 else if (IS_TMDS(intel_sdvo_connector
))
1749 ret
= intel_sdvo_tmds_sink_detect(connector
);
1753 /* if we have an edid check it matches the connection */
1754 edid
= intel_sdvo_get_edid(connector
);
1756 edid
= intel_sdvo_get_analog_edid(connector
);
1758 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector
,
1760 ret
= connector_status_connected
;
1762 ret
= connector_status_disconnected
;
1766 ret
= connector_status_connected
;
1769 /* May update encoder flag for like clock for SDVO TV, etc.*/
1770 if (ret
== connector_status_connected
) {
1771 intel_sdvo
->is_tv
= false;
1772 intel_sdvo
->is_lvds
= false;
1774 if (response
& SDVO_TV_MASK
)
1775 intel_sdvo
->is_tv
= true;
1776 if (response
& SDVO_LVDS_MASK
)
1777 intel_sdvo
->is_lvds
= intel_sdvo
->sdvo_lvds_fixed_mode
!= NULL
;
1783 static void intel_sdvo_get_ddc_modes(struct drm_connector
*connector
)
1787 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1788 connector
->base
.id
, connector
->name
);
1790 /* set the bus switch and get the modes */
1791 edid
= intel_sdvo_get_edid(connector
);
1794 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1795 * link between analog and digital outputs. So, if the regular SDVO
1796 * DDC fails, check to see if the analog output is disconnected, in
1797 * which case we'll look there for the digital DDC data.
1800 edid
= intel_sdvo_get_analog_edid(connector
);
1803 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector
),
1805 drm_mode_connector_update_edid_property(connector
, edid
);
1806 drm_add_edid_modes(connector
, edid
);
1814 * Set of SDVO TV modes.
1815 * Note! This is in reply order (see loop in get_tv_modes).
1816 * XXX: all 60Hz refresh?
1818 static const struct drm_display_mode sdvo_tv_modes
[] = {
1819 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER
, 5815, 320, 321, 384,
1820 416, 0, 200, 201, 232, 233, 0,
1821 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1822 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER
, 6814, 320, 321, 384,
1823 416, 0, 240, 241, 272, 273, 0,
1824 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1825 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER
, 9910, 400, 401, 464,
1826 496, 0, 300, 301, 332, 333, 0,
1827 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1828 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER
, 16913, 640, 641, 704,
1829 736, 0, 350, 351, 382, 383, 0,
1830 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1831 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER
, 19121, 640, 641, 704,
1832 736, 0, 400, 401, 432, 433, 0,
1833 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1834 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 22654, 640, 641, 704,
1835 736, 0, 480, 481, 512, 513, 0,
1836 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1837 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER
, 24624, 704, 705, 768,
1838 800, 0, 480, 481, 512, 513, 0,
1839 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1840 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER
, 29232, 704, 705, 768,
1841 800, 0, 576, 577, 608, 609, 0,
1842 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1843 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER
, 18751, 720, 721, 784,
1844 816, 0, 350, 351, 382, 383, 0,
1845 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1846 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER
, 21199, 720, 721, 784,
1847 816, 0, 400, 401, 432, 433, 0,
1848 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1849 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 25116, 720, 721, 784,
1850 816, 0, 480, 481, 512, 513, 0,
1851 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1852 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER
, 28054, 720, 721, 784,
1853 816, 0, 540, 541, 572, 573, 0,
1854 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1855 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 29816, 720, 721, 784,
1856 816, 0, 576, 577, 608, 609, 0,
1857 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1858 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER
, 31570, 768, 769, 832,
1859 864, 0, 576, 577, 608, 609, 0,
1860 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1861 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 34030, 800, 801, 864,
1862 896, 0, 600, 601, 632, 633, 0,
1863 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1864 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER
, 36581, 832, 833, 896,
1865 928, 0, 624, 625, 656, 657, 0,
1866 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1867 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER
, 48707, 920, 921, 984,
1868 1016, 0, 766, 767, 798, 799, 0,
1869 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1870 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 53827, 1024, 1025, 1088,
1871 1120, 0, 768, 769, 800, 801, 0,
1872 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1873 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 87265, 1280, 1281, 1344,
1874 1376, 0, 1024, 1025, 1056, 1057, 0,
1875 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1878 static void intel_sdvo_get_tv_modes(struct drm_connector
*connector
)
1880 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1881 struct intel_sdvo_sdtv_resolution_request tv_res
;
1882 uint32_t reply
= 0, format_map
= 0;
1885 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1886 connector
->base
.id
, connector
->name
);
1888 /* Read the list of supported input resolutions for the selected TV
1891 format_map
= 1 << intel_sdvo
->tv_format_index
;
1892 memcpy(&tv_res
, &format_map
,
1893 min(sizeof(format_map
), sizeof(struct intel_sdvo_sdtv_resolution_request
)));
1895 if (!intel_sdvo_set_target_output(intel_sdvo
, intel_sdvo
->attached_output
))
1898 BUILD_BUG_ON(sizeof(tv_res
) != 3);
1899 if (!intel_sdvo_write_cmd(intel_sdvo
,
1900 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT
,
1901 &tv_res
, sizeof(tv_res
)))
1903 if (!intel_sdvo_read_response(intel_sdvo
, &reply
, 3))
1906 for (i
= 0; i
< ARRAY_SIZE(sdvo_tv_modes
); i
++)
1907 if (reply
& (1 << i
)) {
1908 struct drm_display_mode
*nmode
;
1909 nmode
= drm_mode_duplicate(connector
->dev
,
1912 drm_mode_probed_add(connector
, nmode
);
1916 static void intel_sdvo_get_lvds_modes(struct drm_connector
*connector
)
1918 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1919 struct drm_i915_private
*dev_priv
= connector
->dev
->dev_private
;
1920 struct drm_display_mode
*newmode
;
1922 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1923 connector
->base
.id
, connector
->name
);
1926 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
1927 * SDVO->LVDS transcoders can't cope with the EDID mode.
1929 if (dev_priv
->vbt
.sdvo_lvds_vbt_mode
!= NULL
) {
1930 newmode
= drm_mode_duplicate(connector
->dev
,
1931 dev_priv
->vbt
.sdvo_lvds_vbt_mode
);
1932 if (newmode
!= NULL
) {
1933 /* Guarantee the mode is preferred */
1934 newmode
->type
= (DRM_MODE_TYPE_PREFERRED
|
1935 DRM_MODE_TYPE_DRIVER
);
1936 drm_mode_probed_add(connector
, newmode
);
1941 * Attempt to get the mode list from DDC.
1942 * Assume that the preferred modes are
1943 * arranged in priority order.
1945 intel_ddc_get_modes(connector
, &intel_sdvo
->ddc
);
1947 list_for_each_entry(newmode
, &connector
->probed_modes
, head
) {
1948 if (newmode
->type
& DRM_MODE_TYPE_PREFERRED
) {
1949 intel_sdvo
->sdvo_lvds_fixed_mode
=
1950 drm_mode_duplicate(connector
->dev
, newmode
);
1952 intel_sdvo
->is_lvds
= true;
1958 static int intel_sdvo_get_modes(struct drm_connector
*connector
)
1960 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
1962 if (IS_TV(intel_sdvo_connector
))
1963 intel_sdvo_get_tv_modes(connector
);
1964 else if (IS_LVDS(intel_sdvo_connector
))
1965 intel_sdvo_get_lvds_modes(connector
);
1967 intel_sdvo_get_ddc_modes(connector
);
1969 return !list_empty(&connector
->probed_modes
);
1972 static void intel_sdvo_destroy(struct drm_connector
*connector
)
1974 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
1976 drm_connector_cleanup(connector
);
1977 kfree(intel_sdvo_connector
);
1980 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector
*connector
)
1982 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1984 bool has_audio
= false;
1986 if (!intel_sdvo
->is_hdmi
)
1989 edid
= intel_sdvo_get_edid(connector
);
1990 if (edid
!= NULL
&& edid
->input
& DRM_EDID_INPUT_DIGITAL
)
1991 has_audio
= drm_detect_monitor_audio(edid
);
1998 intel_sdvo_set_property(struct drm_connector
*connector
,
1999 struct drm_property
*property
,
2002 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
2003 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
2004 struct drm_i915_private
*dev_priv
= connector
->dev
->dev_private
;
2005 uint16_t temp_value
;
2009 ret
= drm_object_property_set_value(&connector
->base
, property
, val
);
2013 if (property
== dev_priv
->force_audio_property
) {
2017 if (i
== intel_sdvo_connector
->force_audio
)
2020 intel_sdvo_connector
->force_audio
= i
;
2022 if (i
== HDMI_AUDIO_AUTO
)
2023 has_audio
= intel_sdvo_detect_hdmi_audio(connector
);
2025 has_audio
= (i
== HDMI_AUDIO_ON
);
2027 if (has_audio
== intel_sdvo
->has_hdmi_audio
)
2030 intel_sdvo
->has_hdmi_audio
= has_audio
;
2034 if (property
== dev_priv
->broadcast_rgb_property
) {
2035 bool old_auto
= intel_sdvo
->color_range_auto
;
2036 uint32_t old_range
= intel_sdvo
->color_range
;
2039 case INTEL_BROADCAST_RGB_AUTO
:
2040 intel_sdvo
->color_range_auto
= true;
2042 case INTEL_BROADCAST_RGB_FULL
:
2043 intel_sdvo
->color_range_auto
= false;
2044 intel_sdvo
->color_range
= 0;
2046 case INTEL_BROADCAST_RGB_LIMITED
:
2047 intel_sdvo
->color_range_auto
= false;
2048 /* FIXME: this bit is only valid when using TMDS
2049 * encoding and 8 bit per color mode. */
2050 intel_sdvo
->color_range
= HDMI_COLOR_RANGE_16_235
;
2056 if (old_auto
== intel_sdvo
->color_range_auto
&&
2057 old_range
== intel_sdvo
->color_range
)
2063 if (property
== connector
->dev
->mode_config
.aspect_ratio_property
) {
2065 case DRM_MODE_PICTURE_ASPECT_NONE
:
2066 intel_sdvo
->aspect_ratio
= HDMI_PICTURE_ASPECT_NONE
;
2068 case DRM_MODE_PICTURE_ASPECT_4_3
:
2069 intel_sdvo
->aspect_ratio
= HDMI_PICTURE_ASPECT_4_3
;
2071 case DRM_MODE_PICTURE_ASPECT_16_9
:
2072 intel_sdvo
->aspect_ratio
= HDMI_PICTURE_ASPECT_16_9
;
2080 #define CHECK_PROPERTY(name, NAME) \
2081 if (intel_sdvo_connector->name == property) { \
2082 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
2083 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
2084 cmd = SDVO_CMD_SET_##NAME; \
2085 intel_sdvo_connector->cur_##name = temp_value; \
2089 if (property
== intel_sdvo_connector
->tv_format
) {
2090 if (val
>= TV_FORMAT_NUM
)
2093 if (intel_sdvo
->tv_format_index
==
2094 intel_sdvo_connector
->tv_format_supported
[val
])
2097 intel_sdvo
->tv_format_index
= intel_sdvo_connector
->tv_format_supported
[val
];
2099 } else if (IS_TV_OR_LVDS(intel_sdvo_connector
)) {
2101 if (intel_sdvo_connector
->left
== property
) {
2102 drm_object_property_set_value(&connector
->base
,
2103 intel_sdvo_connector
->right
, val
);
2104 if (intel_sdvo_connector
->left_margin
== temp_value
)
2107 intel_sdvo_connector
->left_margin
= temp_value
;
2108 intel_sdvo_connector
->right_margin
= temp_value
;
2109 temp_value
= intel_sdvo_connector
->max_hscan
-
2110 intel_sdvo_connector
->left_margin
;
2111 cmd
= SDVO_CMD_SET_OVERSCAN_H
;
2113 } else if (intel_sdvo_connector
->right
== property
) {
2114 drm_object_property_set_value(&connector
->base
,
2115 intel_sdvo_connector
->left
, val
);
2116 if (intel_sdvo_connector
->right_margin
== temp_value
)
2119 intel_sdvo_connector
->left_margin
= temp_value
;
2120 intel_sdvo_connector
->right_margin
= temp_value
;
2121 temp_value
= intel_sdvo_connector
->max_hscan
-
2122 intel_sdvo_connector
->left_margin
;
2123 cmd
= SDVO_CMD_SET_OVERSCAN_H
;
2125 } else if (intel_sdvo_connector
->top
== property
) {
2126 drm_object_property_set_value(&connector
->base
,
2127 intel_sdvo_connector
->bottom
, val
);
2128 if (intel_sdvo_connector
->top_margin
== temp_value
)
2131 intel_sdvo_connector
->top_margin
= temp_value
;
2132 intel_sdvo_connector
->bottom_margin
= temp_value
;
2133 temp_value
= intel_sdvo_connector
->max_vscan
-
2134 intel_sdvo_connector
->top_margin
;
2135 cmd
= SDVO_CMD_SET_OVERSCAN_V
;
2137 } else if (intel_sdvo_connector
->bottom
== property
) {
2138 drm_object_property_set_value(&connector
->base
,
2139 intel_sdvo_connector
->top
, val
);
2140 if (intel_sdvo_connector
->bottom_margin
== temp_value
)
2143 intel_sdvo_connector
->top_margin
= temp_value
;
2144 intel_sdvo_connector
->bottom_margin
= temp_value
;
2145 temp_value
= intel_sdvo_connector
->max_vscan
-
2146 intel_sdvo_connector
->top_margin
;
2147 cmd
= SDVO_CMD_SET_OVERSCAN_V
;
2150 CHECK_PROPERTY(hpos
, HPOS
)
2151 CHECK_PROPERTY(vpos
, VPOS
)
2152 CHECK_PROPERTY(saturation
, SATURATION
)
2153 CHECK_PROPERTY(contrast
, CONTRAST
)
2154 CHECK_PROPERTY(hue
, HUE
)
2155 CHECK_PROPERTY(brightness
, BRIGHTNESS
)
2156 CHECK_PROPERTY(sharpness
, SHARPNESS
)
2157 CHECK_PROPERTY(flicker_filter
, FLICKER_FILTER
)
2158 CHECK_PROPERTY(flicker_filter_2d
, FLICKER_FILTER_2D
)
2159 CHECK_PROPERTY(flicker_filter_adaptive
, FLICKER_FILTER_ADAPTIVE
)
2160 CHECK_PROPERTY(tv_chroma_filter
, TV_CHROMA_FILTER
)
2161 CHECK_PROPERTY(tv_luma_filter
, TV_LUMA_FILTER
)
2162 CHECK_PROPERTY(dot_crawl
, DOT_CRAWL
)
2165 return -EINVAL
; /* unknown property */
2168 if (!intel_sdvo_set_value(intel_sdvo
, cmd
, &temp_value
, 2))
2173 if (intel_sdvo
->base
.base
.crtc
)
2174 intel_crtc_restore_mode(intel_sdvo
->base
.base
.crtc
);
2177 #undef CHECK_PROPERTY
2180 static const struct drm_connector_funcs intel_sdvo_connector_funcs
= {
2181 .dpms
= drm_atomic_helper_connector_dpms
,
2182 .detect
= intel_sdvo_detect
,
2183 .fill_modes
= drm_helper_probe_single_connector_modes
,
2184 .set_property
= intel_sdvo_set_property
,
2185 .atomic_get_property
= intel_connector_atomic_get_property
,
2186 .destroy
= intel_sdvo_destroy
,
2187 .atomic_destroy_state
= drm_atomic_helper_connector_destroy_state
,
2188 .atomic_duplicate_state
= drm_atomic_helper_connector_duplicate_state
,
2191 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs
= {
2192 .get_modes
= intel_sdvo_get_modes
,
2193 .mode_valid
= intel_sdvo_mode_valid
,
2194 .best_encoder
= intel_best_encoder
,
2197 static void intel_sdvo_enc_destroy(struct drm_encoder
*encoder
)
2199 struct intel_sdvo
*intel_sdvo
= to_sdvo(to_intel_encoder(encoder
));
2201 if (intel_sdvo
->sdvo_lvds_fixed_mode
!= NULL
)
2202 drm_mode_destroy(encoder
->dev
,
2203 intel_sdvo
->sdvo_lvds_fixed_mode
);
2205 i2c_del_adapter(&intel_sdvo
->ddc
);
2206 intel_encoder_destroy(encoder
);
2209 static const struct drm_encoder_funcs intel_sdvo_enc_funcs
= {
2210 .destroy
= intel_sdvo_enc_destroy
,
2214 intel_sdvo_guess_ddc_bus(struct intel_sdvo
*sdvo
)
2217 unsigned int num_bits
;
2219 /* Make a mask of outputs less than or equal to our own priority in the
2222 switch (sdvo
->controlled_output
) {
2223 case SDVO_OUTPUT_LVDS1
:
2224 mask
|= SDVO_OUTPUT_LVDS1
;
2225 case SDVO_OUTPUT_LVDS0
:
2226 mask
|= SDVO_OUTPUT_LVDS0
;
2227 case SDVO_OUTPUT_TMDS1
:
2228 mask
|= SDVO_OUTPUT_TMDS1
;
2229 case SDVO_OUTPUT_TMDS0
:
2230 mask
|= SDVO_OUTPUT_TMDS0
;
2231 case SDVO_OUTPUT_RGB1
:
2232 mask
|= SDVO_OUTPUT_RGB1
;
2233 case SDVO_OUTPUT_RGB0
:
2234 mask
|= SDVO_OUTPUT_RGB0
;
2238 /* Count bits to find what number we are in the priority list. */
2239 mask
&= sdvo
->caps
.output_flags
;
2240 num_bits
= hweight16(mask
);
2241 /* If more than 3 outputs, default to DDC bus 3 for now. */
2245 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2246 sdvo
->ddc_bus
= 1 << num_bits
;
2250 * Choose the appropriate DDC bus for control bus switch command for this
2251 * SDVO output based on the controlled output.
2253 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2254 * outputs, then LVDS outputs.
2257 intel_sdvo_select_ddc_bus(struct drm_i915_private
*dev_priv
,
2258 struct intel_sdvo
*sdvo
)
2260 struct sdvo_device_mapping
*mapping
;
2262 if (sdvo
->port
== PORT_B
)
2263 mapping
= &dev_priv
->vbt
.sdvo_mappings
[0];
2265 mapping
= &dev_priv
->vbt
.sdvo_mappings
[1];
2267 if (mapping
->initialized
)
2268 sdvo
->ddc_bus
= 1 << ((mapping
->ddc_pin
& 0xf0) >> 4);
2270 intel_sdvo_guess_ddc_bus(sdvo
);
2274 intel_sdvo_select_i2c_bus(struct drm_i915_private
*dev_priv
,
2275 struct intel_sdvo
*sdvo
)
2277 struct sdvo_device_mapping
*mapping
;
2280 if (sdvo
->port
== PORT_B
)
2281 mapping
= &dev_priv
->vbt
.sdvo_mappings
[0];
2283 mapping
= &dev_priv
->vbt
.sdvo_mappings
[1];
2285 if (mapping
->initialized
&&
2286 intel_gmbus_is_valid_pin(dev_priv
, mapping
->i2c_pin
))
2287 pin
= mapping
->i2c_pin
;
2289 pin
= GMBUS_PIN_DPB
;
2291 sdvo
->i2c
= intel_gmbus_get_adapter(dev_priv
, pin
);
2293 /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2294 * our code totally fails once we start using gmbus. Hence fall back to
2295 * bit banging for now. */
2296 intel_gmbus_force_bit(sdvo
->i2c
, true);
2299 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2301 intel_sdvo_unselect_i2c_bus(struct intel_sdvo
*sdvo
)
2303 intel_gmbus_force_bit(sdvo
->i2c
, false);
2307 intel_sdvo_is_hdmi_connector(struct intel_sdvo
*intel_sdvo
, int device
)
2309 return intel_sdvo_check_supp_encode(intel_sdvo
);
2313 intel_sdvo_get_slave_addr(struct drm_device
*dev
, struct intel_sdvo
*sdvo
)
2315 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2316 struct sdvo_device_mapping
*my_mapping
, *other_mapping
;
2318 if (sdvo
->port
== PORT_B
) {
2319 my_mapping
= &dev_priv
->vbt
.sdvo_mappings
[0];
2320 other_mapping
= &dev_priv
->vbt
.sdvo_mappings
[1];
2322 my_mapping
= &dev_priv
->vbt
.sdvo_mappings
[1];
2323 other_mapping
= &dev_priv
->vbt
.sdvo_mappings
[0];
2326 /* If the BIOS described our SDVO device, take advantage of it. */
2327 if (my_mapping
->slave_addr
)
2328 return my_mapping
->slave_addr
;
2330 /* If the BIOS only described a different SDVO device, use the
2331 * address that it isn't using.
2333 if (other_mapping
->slave_addr
) {
2334 if (other_mapping
->slave_addr
== 0x70)
2340 /* No SDVO device info is found for another DVO port,
2341 * so use mapping assumption we had before BIOS parsing.
2343 if (sdvo
->port
== PORT_B
)
2350 intel_sdvo_connector_unregister(struct intel_connector
*intel_connector
)
2352 struct drm_connector
*drm_connector
;
2353 struct intel_sdvo
*sdvo_encoder
;
2355 drm_connector
= &intel_connector
->base
;
2356 sdvo_encoder
= intel_attached_sdvo(&intel_connector
->base
);
2358 sysfs_remove_link(&drm_connector
->kdev
->kobj
,
2359 sdvo_encoder
->ddc
.dev
.kobj
.name
);
2360 intel_connector_unregister(intel_connector
);
2364 intel_sdvo_connector_init(struct intel_sdvo_connector
*connector
,
2365 struct intel_sdvo
*encoder
)
2367 struct drm_connector
*drm_connector
;
2370 drm_connector
= &connector
->base
.base
;
2371 ret
= drm_connector_init(encoder
->base
.base
.dev
,
2373 &intel_sdvo_connector_funcs
,
2374 connector
->base
.base
.connector_type
);
2378 drm_connector_helper_add(drm_connector
,
2379 &intel_sdvo_connector_helper_funcs
);
2381 connector
->base
.base
.interlace_allowed
= 1;
2382 connector
->base
.base
.doublescan_allowed
= 0;
2383 connector
->base
.base
.display_info
.subpixel_order
= SubPixelHorizontalRGB
;
2384 connector
->base
.get_hw_state
= intel_sdvo_connector_get_hw_state
;
2385 connector
->base
.unregister
= intel_sdvo_connector_unregister
;
2387 intel_connector_attach_encoder(&connector
->base
, &encoder
->base
);
2388 ret
= drm_connector_register(drm_connector
);
2392 ret
= sysfs_create_link(&drm_connector
->kdev
->kobj
,
2393 &encoder
->ddc
.dev
.kobj
,
2394 encoder
->ddc
.dev
.kobj
.name
);
2401 drm_connector_unregister(drm_connector
);
2403 drm_connector_cleanup(drm_connector
);
2409 intel_sdvo_add_hdmi_properties(struct intel_sdvo
*intel_sdvo
,
2410 struct intel_sdvo_connector
*connector
)
2412 struct drm_device
*dev
= connector
->base
.base
.dev
;
2414 intel_attach_force_audio_property(&connector
->base
.base
);
2415 if (INTEL_INFO(dev
)->gen
>= 4 && IS_MOBILE(dev
)) {
2416 intel_attach_broadcast_rgb_property(&connector
->base
.base
);
2417 intel_sdvo
->color_range_auto
= true;
2419 intel_attach_aspect_ratio_property(&connector
->base
.base
);
2420 intel_sdvo
->aspect_ratio
= HDMI_PICTURE_ASPECT_NONE
;
2423 static struct intel_sdvo_connector
*intel_sdvo_connector_alloc(void)
2425 struct intel_sdvo_connector
*sdvo_connector
;
2427 sdvo_connector
= kzalloc(sizeof(*sdvo_connector
), GFP_KERNEL
);
2428 if (!sdvo_connector
)
2431 if (intel_connector_init(&sdvo_connector
->base
) < 0) {
2432 kfree(sdvo_connector
);
2436 return sdvo_connector
;
2440 intel_sdvo_dvi_init(struct intel_sdvo
*intel_sdvo
, int device
)
2442 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2443 struct drm_connector
*connector
;
2444 struct intel_encoder
*intel_encoder
= to_intel_encoder(encoder
);
2445 struct intel_connector
*intel_connector
;
2446 struct intel_sdvo_connector
*intel_sdvo_connector
;
2448 DRM_DEBUG_KMS("initialising DVI device %d\n", device
);
2450 intel_sdvo_connector
= intel_sdvo_connector_alloc();
2451 if (!intel_sdvo_connector
)
2455 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_TMDS0
;
2456 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_TMDS0
;
2457 } else if (device
== 1) {
2458 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_TMDS1
;
2459 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_TMDS1
;
2462 intel_connector
= &intel_sdvo_connector
->base
;
2463 connector
= &intel_connector
->base
;
2464 if (intel_sdvo_get_hotplug_support(intel_sdvo
) &
2465 intel_sdvo_connector
->output_flag
) {
2466 intel_sdvo
->hotplug_active
|= intel_sdvo_connector
->output_flag
;
2467 /* Some SDVO devices have one-shot hotplug interrupts.
2468 * Ensure that they get re-enabled when an interrupt happens.
2470 intel_encoder
->hot_plug
= intel_sdvo_enable_hotplug
;
2471 intel_sdvo_enable_hotplug(intel_encoder
);
2473 intel_connector
->polled
= DRM_CONNECTOR_POLL_CONNECT
| DRM_CONNECTOR_POLL_DISCONNECT
;
2475 encoder
->encoder_type
= DRM_MODE_ENCODER_TMDS
;
2476 connector
->connector_type
= DRM_MODE_CONNECTOR_DVID
;
2478 if (intel_sdvo_is_hdmi_connector(intel_sdvo
, device
)) {
2479 connector
->connector_type
= DRM_MODE_CONNECTOR_HDMIA
;
2480 intel_sdvo
->is_hdmi
= true;
2483 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2484 kfree(intel_sdvo_connector
);
2488 if (intel_sdvo
->is_hdmi
)
2489 intel_sdvo_add_hdmi_properties(intel_sdvo
, intel_sdvo_connector
);
2495 intel_sdvo_tv_init(struct intel_sdvo
*intel_sdvo
, int type
)
2497 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2498 struct drm_connector
*connector
;
2499 struct intel_connector
*intel_connector
;
2500 struct intel_sdvo_connector
*intel_sdvo_connector
;
2502 DRM_DEBUG_KMS("initialising TV type %d\n", type
);
2504 intel_sdvo_connector
= intel_sdvo_connector_alloc();
2505 if (!intel_sdvo_connector
)
2508 intel_connector
= &intel_sdvo_connector
->base
;
2509 connector
= &intel_connector
->base
;
2510 encoder
->encoder_type
= DRM_MODE_ENCODER_TVDAC
;
2511 connector
->connector_type
= DRM_MODE_CONNECTOR_SVIDEO
;
2513 intel_sdvo
->controlled_output
|= type
;
2514 intel_sdvo_connector
->output_flag
= type
;
2516 intel_sdvo
->is_tv
= true;
2518 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2519 kfree(intel_sdvo_connector
);
2523 if (!intel_sdvo_tv_create_property(intel_sdvo
, intel_sdvo_connector
, type
))
2526 if (!intel_sdvo_create_enhance_property(intel_sdvo
, intel_sdvo_connector
))
2532 drm_connector_unregister(connector
);
2533 intel_sdvo_destroy(connector
);
2538 intel_sdvo_analog_init(struct intel_sdvo
*intel_sdvo
, int device
)
2540 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2541 struct drm_connector
*connector
;
2542 struct intel_connector
*intel_connector
;
2543 struct intel_sdvo_connector
*intel_sdvo_connector
;
2545 DRM_DEBUG_KMS("initialising analog device %d\n", device
);
2547 intel_sdvo_connector
= intel_sdvo_connector_alloc();
2548 if (!intel_sdvo_connector
)
2551 intel_connector
= &intel_sdvo_connector
->base
;
2552 connector
= &intel_connector
->base
;
2553 intel_connector
->polled
= DRM_CONNECTOR_POLL_CONNECT
;
2554 encoder
->encoder_type
= DRM_MODE_ENCODER_DAC
;
2555 connector
->connector_type
= DRM_MODE_CONNECTOR_VGA
;
2558 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_RGB0
;
2559 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_RGB0
;
2560 } else if (device
== 1) {
2561 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_RGB1
;
2562 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_RGB1
;
2565 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2566 kfree(intel_sdvo_connector
);
2574 intel_sdvo_lvds_init(struct intel_sdvo
*intel_sdvo
, int device
)
2576 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2577 struct drm_connector
*connector
;
2578 struct intel_connector
*intel_connector
;
2579 struct intel_sdvo_connector
*intel_sdvo_connector
;
2581 DRM_DEBUG_KMS("initialising LVDS device %d\n", device
);
2583 intel_sdvo_connector
= intel_sdvo_connector_alloc();
2584 if (!intel_sdvo_connector
)
2587 intel_connector
= &intel_sdvo_connector
->base
;
2588 connector
= &intel_connector
->base
;
2589 encoder
->encoder_type
= DRM_MODE_ENCODER_LVDS
;
2590 connector
->connector_type
= DRM_MODE_CONNECTOR_LVDS
;
2593 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_LVDS0
;
2594 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_LVDS0
;
2595 } else if (device
== 1) {
2596 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_LVDS1
;
2597 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_LVDS1
;
2600 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2601 kfree(intel_sdvo_connector
);
2605 if (!intel_sdvo_create_enhance_property(intel_sdvo
, intel_sdvo_connector
))
2611 drm_connector_unregister(connector
);
2612 intel_sdvo_destroy(connector
);
2617 intel_sdvo_output_setup(struct intel_sdvo
*intel_sdvo
, uint16_t flags
)
2619 intel_sdvo
->is_tv
= false;
2620 intel_sdvo
->is_lvds
= false;
2622 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2624 if (flags
& SDVO_OUTPUT_TMDS0
)
2625 if (!intel_sdvo_dvi_init(intel_sdvo
, 0))
2628 if ((flags
& SDVO_TMDS_MASK
) == SDVO_TMDS_MASK
)
2629 if (!intel_sdvo_dvi_init(intel_sdvo
, 1))
2632 /* TV has no XXX1 function block */
2633 if (flags
& SDVO_OUTPUT_SVID0
)
2634 if (!intel_sdvo_tv_init(intel_sdvo
, SDVO_OUTPUT_SVID0
))
2637 if (flags
& SDVO_OUTPUT_CVBS0
)
2638 if (!intel_sdvo_tv_init(intel_sdvo
, SDVO_OUTPUT_CVBS0
))
2641 if (flags
& SDVO_OUTPUT_YPRPB0
)
2642 if (!intel_sdvo_tv_init(intel_sdvo
, SDVO_OUTPUT_YPRPB0
))
2645 if (flags
& SDVO_OUTPUT_RGB0
)
2646 if (!intel_sdvo_analog_init(intel_sdvo
, 0))
2649 if ((flags
& SDVO_RGB_MASK
) == SDVO_RGB_MASK
)
2650 if (!intel_sdvo_analog_init(intel_sdvo
, 1))
2653 if (flags
& SDVO_OUTPUT_LVDS0
)
2654 if (!intel_sdvo_lvds_init(intel_sdvo
, 0))
2657 if ((flags
& SDVO_LVDS_MASK
) == SDVO_LVDS_MASK
)
2658 if (!intel_sdvo_lvds_init(intel_sdvo
, 1))
2661 if ((flags
& SDVO_OUTPUT_MASK
) == 0) {
2662 unsigned char bytes
[2];
2664 intel_sdvo
->controlled_output
= 0;
2665 memcpy(bytes
, &intel_sdvo
->caps
.output_flags
, 2);
2666 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2667 SDVO_NAME(intel_sdvo
),
2668 bytes
[0], bytes
[1]);
2671 intel_sdvo
->base
.crtc_mask
= (1 << 0) | (1 << 1) | (1 << 2);
2676 static void intel_sdvo_output_cleanup(struct intel_sdvo
*intel_sdvo
)
2678 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2679 struct drm_connector
*connector
, *tmp
;
2681 list_for_each_entry_safe(connector
, tmp
,
2682 &dev
->mode_config
.connector_list
, head
) {
2683 if (intel_attached_encoder(connector
) == &intel_sdvo
->base
) {
2684 drm_connector_unregister(connector
);
2685 intel_sdvo_destroy(connector
);
2690 static bool intel_sdvo_tv_create_property(struct intel_sdvo
*intel_sdvo
,
2691 struct intel_sdvo_connector
*intel_sdvo_connector
,
2694 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2695 struct intel_sdvo_tv_format format
;
2696 uint32_t format_map
, i
;
2698 if (!intel_sdvo_set_target_output(intel_sdvo
, type
))
2701 BUILD_BUG_ON(sizeof(format
) != 6);
2702 if (!intel_sdvo_get_value(intel_sdvo
,
2703 SDVO_CMD_GET_SUPPORTED_TV_FORMATS
,
2704 &format
, sizeof(format
)))
2707 memcpy(&format_map
, &format
, min(sizeof(format_map
), sizeof(format
)));
2709 if (format_map
== 0)
2712 intel_sdvo_connector
->format_supported_num
= 0;
2713 for (i
= 0 ; i
< TV_FORMAT_NUM
; i
++)
2714 if (format_map
& (1 << i
))
2715 intel_sdvo_connector
->tv_format_supported
[intel_sdvo_connector
->format_supported_num
++] = i
;
2718 intel_sdvo_connector
->tv_format
=
2719 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
2720 "mode", intel_sdvo_connector
->format_supported_num
);
2721 if (!intel_sdvo_connector
->tv_format
)
2724 for (i
= 0; i
< intel_sdvo_connector
->format_supported_num
; i
++)
2725 drm_property_add_enum(
2726 intel_sdvo_connector
->tv_format
, i
,
2727 i
, tv_format_names
[intel_sdvo_connector
->tv_format_supported
[i
]]);
2729 intel_sdvo
->tv_format_index
= intel_sdvo_connector
->tv_format_supported
[0];
2730 drm_object_attach_property(&intel_sdvo_connector
->base
.base
.base
,
2731 intel_sdvo_connector
->tv_format
, 0);
2736 #define ENHANCEMENT(name, NAME) do { \
2737 if (enhancements.name) { \
2738 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2739 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2741 intel_sdvo_connector->max_##name = data_value[0]; \
2742 intel_sdvo_connector->cur_##name = response; \
2743 intel_sdvo_connector->name = \
2744 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2745 if (!intel_sdvo_connector->name) return false; \
2746 drm_object_attach_property(&connector->base, \
2747 intel_sdvo_connector->name, \
2748 intel_sdvo_connector->cur_##name); \
2749 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2750 data_value[0], data_value[1], response); \
2755 intel_sdvo_create_enhance_property_tv(struct intel_sdvo
*intel_sdvo
,
2756 struct intel_sdvo_connector
*intel_sdvo_connector
,
2757 struct intel_sdvo_enhancements_reply enhancements
)
2759 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2760 struct drm_connector
*connector
= &intel_sdvo_connector
->base
.base
;
2761 uint16_t response
, data_value
[2];
2763 /* when horizontal overscan is supported, Add the left/right property */
2764 if (enhancements
.overscan_h
) {
2765 if (!intel_sdvo_get_value(intel_sdvo
,
2766 SDVO_CMD_GET_MAX_OVERSCAN_H
,
2770 if (!intel_sdvo_get_value(intel_sdvo
,
2771 SDVO_CMD_GET_OVERSCAN_H
,
2775 intel_sdvo_connector
->max_hscan
= data_value
[0];
2776 intel_sdvo_connector
->left_margin
= data_value
[0] - response
;
2777 intel_sdvo_connector
->right_margin
= intel_sdvo_connector
->left_margin
;
2778 intel_sdvo_connector
->left
=
2779 drm_property_create_range(dev
, 0, "left_margin", 0, data_value
[0]);
2780 if (!intel_sdvo_connector
->left
)
2783 drm_object_attach_property(&connector
->base
,
2784 intel_sdvo_connector
->left
,
2785 intel_sdvo_connector
->left_margin
);
2787 intel_sdvo_connector
->right
=
2788 drm_property_create_range(dev
, 0, "right_margin", 0, data_value
[0]);
2789 if (!intel_sdvo_connector
->right
)
2792 drm_object_attach_property(&connector
->base
,
2793 intel_sdvo_connector
->right
,
2794 intel_sdvo_connector
->right_margin
);
2795 DRM_DEBUG_KMS("h_overscan: max %d, "
2796 "default %d, current %d\n",
2797 data_value
[0], data_value
[1], response
);
2800 if (enhancements
.overscan_v
) {
2801 if (!intel_sdvo_get_value(intel_sdvo
,
2802 SDVO_CMD_GET_MAX_OVERSCAN_V
,
2806 if (!intel_sdvo_get_value(intel_sdvo
,
2807 SDVO_CMD_GET_OVERSCAN_V
,
2811 intel_sdvo_connector
->max_vscan
= data_value
[0];
2812 intel_sdvo_connector
->top_margin
= data_value
[0] - response
;
2813 intel_sdvo_connector
->bottom_margin
= intel_sdvo_connector
->top_margin
;
2814 intel_sdvo_connector
->top
=
2815 drm_property_create_range(dev
, 0,
2816 "top_margin", 0, data_value
[0]);
2817 if (!intel_sdvo_connector
->top
)
2820 drm_object_attach_property(&connector
->base
,
2821 intel_sdvo_connector
->top
,
2822 intel_sdvo_connector
->top_margin
);
2824 intel_sdvo_connector
->bottom
=
2825 drm_property_create_range(dev
, 0,
2826 "bottom_margin", 0, data_value
[0]);
2827 if (!intel_sdvo_connector
->bottom
)
2830 drm_object_attach_property(&connector
->base
,
2831 intel_sdvo_connector
->bottom
,
2832 intel_sdvo_connector
->bottom_margin
);
2833 DRM_DEBUG_KMS("v_overscan: max %d, "
2834 "default %d, current %d\n",
2835 data_value
[0], data_value
[1], response
);
2838 ENHANCEMENT(hpos
, HPOS
);
2839 ENHANCEMENT(vpos
, VPOS
);
2840 ENHANCEMENT(saturation
, SATURATION
);
2841 ENHANCEMENT(contrast
, CONTRAST
);
2842 ENHANCEMENT(hue
, HUE
);
2843 ENHANCEMENT(sharpness
, SHARPNESS
);
2844 ENHANCEMENT(brightness
, BRIGHTNESS
);
2845 ENHANCEMENT(flicker_filter
, FLICKER_FILTER
);
2846 ENHANCEMENT(flicker_filter_adaptive
, FLICKER_FILTER_ADAPTIVE
);
2847 ENHANCEMENT(flicker_filter_2d
, FLICKER_FILTER_2D
);
2848 ENHANCEMENT(tv_chroma_filter
, TV_CHROMA_FILTER
);
2849 ENHANCEMENT(tv_luma_filter
, TV_LUMA_FILTER
);
2851 if (enhancements
.dot_crawl
) {
2852 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_DOT_CRAWL
, &response
, 2))
2855 intel_sdvo_connector
->max_dot_crawl
= 1;
2856 intel_sdvo_connector
->cur_dot_crawl
= response
& 0x1;
2857 intel_sdvo_connector
->dot_crawl
=
2858 drm_property_create_range(dev
, 0, "dot_crawl", 0, 1);
2859 if (!intel_sdvo_connector
->dot_crawl
)
2862 drm_object_attach_property(&connector
->base
,
2863 intel_sdvo_connector
->dot_crawl
,
2864 intel_sdvo_connector
->cur_dot_crawl
);
2865 DRM_DEBUG_KMS("dot crawl: current %d\n", response
);
2872 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo
*intel_sdvo
,
2873 struct intel_sdvo_connector
*intel_sdvo_connector
,
2874 struct intel_sdvo_enhancements_reply enhancements
)
2876 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2877 struct drm_connector
*connector
= &intel_sdvo_connector
->base
.base
;
2878 uint16_t response
, data_value
[2];
2880 ENHANCEMENT(brightness
, BRIGHTNESS
);
2886 static bool intel_sdvo_create_enhance_property(struct intel_sdvo
*intel_sdvo
,
2887 struct intel_sdvo_connector
*intel_sdvo_connector
)
2890 struct intel_sdvo_enhancements_reply reply
;
2894 BUILD_BUG_ON(sizeof(enhancements
) != 2);
2896 enhancements
.response
= 0;
2897 intel_sdvo_get_value(intel_sdvo
,
2898 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS
,
2899 &enhancements
, sizeof(enhancements
));
2900 if (enhancements
.response
== 0) {
2901 DRM_DEBUG_KMS("No enhancement is supported\n");
2905 if (IS_TV(intel_sdvo_connector
))
2906 return intel_sdvo_create_enhance_property_tv(intel_sdvo
, intel_sdvo_connector
, enhancements
.reply
);
2907 else if (IS_LVDS(intel_sdvo_connector
))
2908 return intel_sdvo_create_enhance_property_lvds(intel_sdvo
, intel_sdvo_connector
, enhancements
.reply
);
2913 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter
*adapter
,
2914 struct i2c_msg
*msgs
,
2917 struct intel_sdvo
*sdvo
= adapter
->algo_data
;
2919 if (!intel_sdvo_set_control_bus_switch(sdvo
, sdvo
->ddc_bus
))
2922 return sdvo
->i2c
->algo
->master_xfer(sdvo
->i2c
, msgs
, num
);
2925 static u32
intel_sdvo_ddc_proxy_func(struct i2c_adapter
*adapter
)
2927 struct intel_sdvo
*sdvo
= adapter
->algo_data
;
2928 return sdvo
->i2c
->algo
->functionality(sdvo
->i2c
);
2931 static const struct i2c_algorithm intel_sdvo_ddc_proxy
= {
2932 .master_xfer
= intel_sdvo_ddc_proxy_xfer
,
2933 .functionality
= intel_sdvo_ddc_proxy_func
2937 intel_sdvo_init_ddc_proxy(struct intel_sdvo
*sdvo
,
2938 struct drm_device
*dev
)
2940 sdvo
->ddc
.owner
= THIS_MODULE
;
2941 sdvo
->ddc
.class = I2C_CLASS_DDC
;
2942 snprintf(sdvo
->ddc
.name
, I2C_NAME_SIZE
, "SDVO DDC proxy");
2943 sdvo
->ddc
.dev
.parent
= &dev
->pdev
->dev
;
2944 sdvo
->ddc
.algo_data
= sdvo
;
2945 sdvo
->ddc
.algo
= &intel_sdvo_ddc_proxy
;
2947 return i2c_add_adapter(&sdvo
->ddc
) == 0;
2950 static void assert_sdvo_port_valid(const struct drm_i915_private
*dev_priv
,
2953 if (HAS_PCH_SPLIT(dev_priv
))
2954 WARN_ON(port
!= PORT_B
);
2956 WARN_ON(port
!= PORT_B
&& port
!= PORT_C
);
2959 bool intel_sdvo_init(struct drm_device
*dev
,
2960 i915_reg_t sdvo_reg
, enum port port
)
2962 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2963 struct intel_encoder
*intel_encoder
;
2964 struct intel_sdvo
*intel_sdvo
;
2967 assert_sdvo_port_valid(dev_priv
, port
);
2969 intel_sdvo
= kzalloc(sizeof(*intel_sdvo
), GFP_KERNEL
);
2973 intel_sdvo
->sdvo_reg
= sdvo_reg
;
2974 intel_sdvo
->port
= port
;
2975 intel_sdvo
->slave_addr
= intel_sdvo_get_slave_addr(dev
, intel_sdvo
) >> 1;
2976 intel_sdvo_select_i2c_bus(dev_priv
, intel_sdvo
);
2977 if (!intel_sdvo_init_ddc_proxy(intel_sdvo
, dev
))
2980 /* encoder type will be decided later */
2981 intel_encoder
= &intel_sdvo
->base
;
2982 intel_encoder
->type
= INTEL_OUTPUT_SDVO
;
2983 drm_encoder_init(dev
, &intel_encoder
->base
, &intel_sdvo_enc_funcs
, 0,
2986 /* Read the regs to test if we can talk to the device */
2987 for (i
= 0; i
< 0x40; i
++) {
2990 if (!intel_sdvo_read_byte(intel_sdvo
, i
, &byte
)) {
2991 DRM_DEBUG_KMS("No SDVO device found on %s\n",
2992 SDVO_NAME(intel_sdvo
));
2997 intel_encoder
->compute_config
= intel_sdvo_compute_config
;
2998 if (HAS_PCH_SPLIT(dev
)) {
2999 intel_encoder
->disable
= pch_disable_sdvo
;
3000 intel_encoder
->post_disable
= pch_post_disable_sdvo
;
3002 intel_encoder
->disable
= intel_disable_sdvo
;
3004 intel_encoder
->pre_enable
= intel_sdvo_pre_enable
;
3005 intel_encoder
->enable
= intel_enable_sdvo
;
3006 intel_encoder
->get_hw_state
= intel_sdvo_get_hw_state
;
3007 intel_encoder
->get_config
= intel_sdvo_get_config
;
3009 /* In default case sdvo lvds is false */
3010 if (!intel_sdvo_get_capabilities(intel_sdvo
, &intel_sdvo
->caps
))
3013 if (intel_sdvo_output_setup(intel_sdvo
,
3014 intel_sdvo
->caps
.output_flags
) != true) {
3015 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
3016 SDVO_NAME(intel_sdvo
));
3017 /* Output_setup can leave behind connectors! */
3021 /* Only enable the hotplug irq if we need it, to work around noisy
3024 if (intel_sdvo
->hotplug_active
) {
3025 if (intel_sdvo
->port
== PORT_B
)
3026 intel_encoder
->hpd_pin
= HPD_SDVO_B
;
3028 intel_encoder
->hpd_pin
= HPD_SDVO_C
;
3032 * Cloning SDVO with anything is often impossible, since the SDVO
3033 * encoder can request a special input timing mode. And even if that's
3034 * not the case we have evidence that cloning a plain unscaled mode with
3035 * VGA doesn't really work. Furthermore the cloning flags are way too
3036 * simplistic anyway to express such constraints, so just give up on
3037 * cloning for SDVO encoders.
3039 intel_sdvo
->base
.cloneable
= 0;
3041 intel_sdvo_select_ddc_bus(dev_priv
, intel_sdvo
);
3043 /* Set the input timing to the screen. Assume always input 0. */
3044 if (!intel_sdvo_set_target_input(intel_sdvo
))
3047 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo
,
3048 &intel_sdvo
->pixel_clock_min
,
3049 &intel_sdvo
->pixel_clock_max
))
3052 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
3053 "clock range %dMHz - %dMHz, "
3054 "input 1: %c, input 2: %c, "
3055 "output 1: %c, output 2: %c\n",
3056 SDVO_NAME(intel_sdvo
),
3057 intel_sdvo
->caps
.vendor_id
, intel_sdvo
->caps
.device_id
,
3058 intel_sdvo
->caps
.device_rev_id
,
3059 intel_sdvo
->pixel_clock_min
/ 1000,
3060 intel_sdvo
->pixel_clock_max
/ 1000,
3061 (intel_sdvo
->caps
.sdvo_inputs_mask
& 0x1) ? 'Y' : 'N',
3062 (intel_sdvo
->caps
.sdvo_inputs_mask
& 0x2) ? 'Y' : 'N',
3063 /* check currently supported outputs */
3064 intel_sdvo
->caps
.output_flags
&
3065 (SDVO_OUTPUT_TMDS0
| SDVO_OUTPUT_RGB0
) ? 'Y' : 'N',
3066 intel_sdvo
->caps
.output_flags
&
3067 (SDVO_OUTPUT_TMDS1
| SDVO_OUTPUT_RGB1
) ? 'Y' : 'N');
3071 intel_sdvo_output_cleanup(intel_sdvo
);
3074 drm_encoder_cleanup(&intel_encoder
->base
);
3075 i2c_del_adapter(&intel_sdvo
->ddc
);
3077 intel_sdvo_unselect_i2c_bus(intel_sdvo
);