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_crtc.h>
34 #include <drm/drm_edid.h>
35 #include "intel_drv.h"
36 #include <drm/i915_drm.h>
38 #include "intel_sdvo_regs.h"
40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
41 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
43 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
48 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
49 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
50 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
51 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
52 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
55 static const char *tv_format_names
[] = {
56 "NTSC_M" , "NTSC_J" , "NTSC_443",
57 "PAL_B" , "PAL_D" , "PAL_G" ,
58 "PAL_H" , "PAL_I" , "PAL_M" ,
59 "PAL_N" , "PAL_NC" , "PAL_60" ,
60 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
61 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
65 #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
68 struct intel_encoder base
;
70 struct i2c_adapter
*i2c
;
73 struct i2c_adapter ddc
;
75 /* Register for the SDVO device: SDVOB or SDVOC */
78 /* Active outputs controlled by this SDVO output */
79 uint16_t controlled_output
;
82 * Capabilities of the SDVO device returned by
83 * intel_sdvo_get_capabilities()
85 struct intel_sdvo_caps caps
;
87 /* Pixel clock limitations reported by the SDVO device, in kHz */
88 int pixel_clock_min
, pixel_clock_max
;
91 * For multiple function SDVO device,
92 * this is for current attached outputs.
94 uint16_t attached_output
;
97 * Hotplug activation bits for this device
99 uint16_t hotplug_active
;
102 * This is used to select the color range of RBG outputs in HDMI mode.
103 * It is only valid when using TMDS encoding and 8 bit per color mode.
105 uint32_t color_range
;
106 bool color_range_auto
;
109 * This is set if we're going to treat the device as TV-out.
111 * While we have these nice friendly flags for output types that ought
112 * to decide this for us, the S-Video output on our HDMI+S-Video card
113 * shows up as RGB1 (VGA).
117 /* On different gens SDVOB is at different places. */
120 /* This is for current tv format name */
124 * This is set if we treat the device as HDMI, instead of DVI.
127 bool has_hdmi_monitor
;
129 bool rgb_quant_range_selectable
;
132 * This is set if we detect output of sdvo device as LVDS and
133 * have a valid fixed mode to use with the panel.
138 * This is sdvo fixed pannel mode pointer
140 struct drm_display_mode
*sdvo_lvds_fixed_mode
;
142 /* DDC bus used by this SDVO encoder */
146 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
148 uint8_t dtd_sdvo_flags
;
151 struct intel_sdvo_connector
{
152 struct intel_connector base
;
154 /* Mark the type of connector */
155 uint16_t output_flag
;
157 enum hdmi_force_audio force_audio
;
159 /* This contains all current supported TV format */
160 u8 tv_format_supported
[TV_FORMAT_NUM
];
161 int format_supported_num
;
162 struct drm_property
*tv_format
;
164 /* add the property for the SDVO-TV */
165 struct drm_property
*left
;
166 struct drm_property
*right
;
167 struct drm_property
*top
;
168 struct drm_property
*bottom
;
169 struct drm_property
*hpos
;
170 struct drm_property
*vpos
;
171 struct drm_property
*contrast
;
172 struct drm_property
*saturation
;
173 struct drm_property
*hue
;
174 struct drm_property
*sharpness
;
175 struct drm_property
*flicker_filter
;
176 struct drm_property
*flicker_filter_adaptive
;
177 struct drm_property
*flicker_filter_2d
;
178 struct drm_property
*tv_chroma_filter
;
179 struct drm_property
*tv_luma_filter
;
180 struct drm_property
*dot_crawl
;
182 /* add the property for the SDVO-TV/LVDS */
183 struct drm_property
*brightness
;
185 /* Add variable to record current setting for the above property */
186 u32 left_margin
, right_margin
, top_margin
, bottom_margin
;
188 /* this is to get the range of margin.*/
189 u32 max_hscan
, max_vscan
;
190 u32 max_hpos
, cur_hpos
;
191 u32 max_vpos
, cur_vpos
;
192 u32 cur_brightness
, max_brightness
;
193 u32 cur_contrast
, max_contrast
;
194 u32 cur_saturation
, max_saturation
;
195 u32 cur_hue
, max_hue
;
196 u32 cur_sharpness
, max_sharpness
;
197 u32 cur_flicker_filter
, max_flicker_filter
;
198 u32 cur_flicker_filter_adaptive
, max_flicker_filter_adaptive
;
199 u32 cur_flicker_filter_2d
, max_flicker_filter_2d
;
200 u32 cur_tv_chroma_filter
, max_tv_chroma_filter
;
201 u32 cur_tv_luma_filter
, max_tv_luma_filter
;
202 u32 cur_dot_crawl
, max_dot_crawl
;
205 static struct intel_sdvo
*to_sdvo(struct intel_encoder
*encoder
)
207 return container_of(encoder
, struct intel_sdvo
, base
);
210 static struct intel_sdvo
*intel_attached_sdvo(struct drm_connector
*connector
)
212 return to_sdvo(intel_attached_encoder(connector
));
215 static struct intel_sdvo_connector
*to_intel_sdvo_connector(struct drm_connector
*connector
)
217 return container_of(to_intel_connector(connector
), struct intel_sdvo_connector
, base
);
221 intel_sdvo_output_setup(struct intel_sdvo
*intel_sdvo
, uint16_t flags
);
223 intel_sdvo_tv_create_property(struct intel_sdvo
*intel_sdvo
,
224 struct intel_sdvo_connector
*intel_sdvo_connector
,
227 intel_sdvo_create_enhance_property(struct intel_sdvo
*intel_sdvo
,
228 struct intel_sdvo_connector
*intel_sdvo_connector
);
231 * Writes the SDVOB or SDVOC with the given value, but always writes both
232 * SDVOB and SDVOC to work around apparent hardware issues (according to
233 * comments in the BIOS).
235 static void intel_sdvo_write_sdvox(struct intel_sdvo
*intel_sdvo
, u32 val
)
237 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
238 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
239 u32 bval
= val
, cval
= val
;
242 if (intel_sdvo
->sdvo_reg
== PCH_SDVOB
) {
243 I915_WRITE(intel_sdvo
->sdvo_reg
, val
);
244 I915_READ(intel_sdvo
->sdvo_reg
);
248 if (intel_sdvo
->sdvo_reg
== GEN3_SDVOB
)
249 cval
= I915_READ(GEN3_SDVOC
);
251 bval
= I915_READ(GEN3_SDVOB
);
254 * Write the registers twice for luck. Sometimes,
255 * writing them only once doesn't appear to 'stick'.
256 * The BIOS does this too. Yay, magic
258 for (i
= 0; i
< 2; i
++)
260 I915_WRITE(GEN3_SDVOB
, bval
);
261 I915_READ(GEN3_SDVOB
);
262 I915_WRITE(GEN3_SDVOC
, cval
);
263 I915_READ(GEN3_SDVOC
);
267 static bool intel_sdvo_read_byte(struct intel_sdvo
*intel_sdvo
, u8 addr
, u8
*ch
)
269 struct i2c_msg msgs
[] = {
271 .addr
= intel_sdvo
->slave_addr
,
277 .addr
= intel_sdvo
->slave_addr
,
285 if ((ret
= i2c_transfer(intel_sdvo
->i2c
, msgs
, 2)) == 2)
288 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret
);
292 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
293 /** Mapping of command numbers to names, for debug output */
294 static const struct _sdvo_cmd_name
{
297 } sdvo_cmd_names
[] = {
298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET
),
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS
),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV
),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS
),
302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS
),
303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS
),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP
),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP
),
306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS
),
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT
),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG
),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG
),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE
),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT
),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT
),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1
),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2
),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1
),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2
),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1
),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1
),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2
),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1
),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2
),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING
),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1
),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2
),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE
),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE
),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS
),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT
),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT
),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS
),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT
),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT
),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES
),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE
),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE
),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE
),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH
),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT
),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT
),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS
),
342 /* Add the op code for SDVO enhancements */
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS
),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS
),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS
),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS
),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS
),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS
),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION
),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION
),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION
),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE
),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE
),
354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE
),
355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST
),
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST
),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST
),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS
),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS
),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS
),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H
),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H
),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H
),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V
),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V
),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V
),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER
),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER
),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER
),
370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE
),
371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE
),
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE
),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D
),
374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D
),
375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D
),
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS
),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS
),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS
),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL
),
380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL
),
381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER
),
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER
),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER
),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER
),
385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER
),
386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER
),
389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE
),
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE
),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE
),
392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI
),
393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI
),
394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP
),
395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY
),
396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY
),
397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER
),
398 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT
),
399 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT
),
400 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX
),
401 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX
),
402 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO
),
403 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT
),
404 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT
),
405 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE
),
406 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE
),
407 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA
),
408 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA
),
411 #define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
413 static void intel_sdvo_debug_write(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
414 const void *args
, int args_len
)
418 char buffer
[BUF_LEN
];
420 #define BUF_PRINT(args...) \
421 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
424 for (i
= 0; i
< args_len
; i
++) {
425 BUF_PRINT("%02X ", ((u8
*)args
)[i
]);
430 for (i
= 0; i
< ARRAY_SIZE(sdvo_cmd_names
); i
++) {
431 if (cmd
== sdvo_cmd_names
[i
].cmd
) {
432 BUF_PRINT("(%s)", sdvo_cmd_names
[i
].name
);
436 if (i
== ARRAY_SIZE(sdvo_cmd_names
)) {
437 BUF_PRINT("(%02X)", cmd
);
439 BUG_ON(pos
>= BUF_LEN
- 1);
443 DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo
), cmd
, buffer
);
446 static const char *cmd_status_names
[] = {
452 "Target not specified",
453 "Scaling not supported"
456 static bool intel_sdvo_write_cmd(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
457 const void *args
, int args_len
)
460 struct i2c_msg
*msgs
;
463 /* Would be simpler to allocate both in one go ? */
464 buf
= kzalloc(args_len
* 2 + 2, GFP_KERNEL
);
468 msgs
= kcalloc(args_len
+ 3, sizeof(*msgs
), GFP_KERNEL
);
474 intel_sdvo_debug_write(intel_sdvo
, cmd
, args
, args_len
);
476 for (i
= 0; i
< args_len
; i
++) {
477 msgs
[i
].addr
= intel_sdvo
->slave_addr
;
480 msgs
[i
].buf
= buf
+ 2 *i
;
481 buf
[2*i
+ 0] = SDVO_I2C_ARG_0
- i
;
482 buf
[2*i
+ 1] = ((u8
*)args
)[i
];
484 msgs
[i
].addr
= intel_sdvo
->slave_addr
;
487 msgs
[i
].buf
= buf
+ 2*i
;
488 buf
[2*i
+ 0] = SDVO_I2C_OPCODE
;
491 /* the following two are to read the response */
492 status
= SDVO_I2C_CMD_STATUS
;
493 msgs
[i
+1].addr
= intel_sdvo
->slave_addr
;
496 msgs
[i
+1].buf
= &status
;
498 msgs
[i
+2].addr
= intel_sdvo
->slave_addr
;
499 msgs
[i
+2].flags
= I2C_M_RD
;
501 msgs
[i
+2].buf
= &status
;
503 ret
= i2c_transfer(intel_sdvo
->i2c
, msgs
, i
+3);
505 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret
);
510 /* failure in I2C transfer */
511 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret
, i
+3);
521 static bool intel_sdvo_read_response(struct intel_sdvo
*intel_sdvo
,
522 void *response
, int response_len
)
524 u8 retry
= 15; /* 5 quick checks, followed by 10 long checks */
528 char buffer
[BUF_LEN
];
532 * The documentation states that all commands will be
533 * processed within 15µs, and that we need only poll
534 * the status byte a maximum of 3 times in order for the
535 * command to be complete.
537 * Check 5 times in case the hardware failed to read the docs.
539 * Also beware that the first response by many devices is to
540 * reply PENDING and stall for time. TVs are notorious for
541 * requiring longer than specified to complete their replies.
542 * Originally (in the DDX long ago), the delay was only ever 15ms
543 * with an additional delay of 30ms applied for TVs added later after
544 * many experiments. To accommodate both sets of delays, we do a
545 * sequence of slow checks if the device is falling behind and fails
546 * to reply within 5*15µs.
548 if (!intel_sdvo_read_byte(intel_sdvo
,
553 while ((status
== SDVO_CMD_STATUS_PENDING
||
554 status
== SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED
) && --retry
) {
560 if (!intel_sdvo_read_byte(intel_sdvo
,
566 #define BUF_PRINT(args...) \
567 pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
569 if (status
<= SDVO_CMD_STATUS_SCALING_NOT_SUPP
)
570 BUF_PRINT("(%s)", cmd_status_names
[status
]);
572 BUF_PRINT("(??? %d)", status
);
574 if (status
!= SDVO_CMD_STATUS_SUCCESS
)
577 /* Read the command response */
578 for (i
= 0; i
< response_len
; i
++) {
579 if (!intel_sdvo_read_byte(intel_sdvo
,
580 SDVO_I2C_RETURN_0
+ i
,
581 &((u8
*)response
)[i
]))
583 BUF_PRINT(" %02X", ((u8
*)response
)[i
]);
585 BUG_ON(pos
>= BUF_LEN
- 1);
589 DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo
), buffer
);
593 DRM_DEBUG_KMS("%s: R: ... failed\n", SDVO_NAME(intel_sdvo
));
597 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode
*mode
)
599 if (mode
->clock
>= 100000)
601 else if (mode
->clock
>= 50000)
607 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo
*intel_sdvo
,
610 /* This must be the immediately preceding write before the i2c xfer */
611 return intel_sdvo_write_cmd(intel_sdvo
,
612 SDVO_CMD_SET_CONTROL_BUS_SWITCH
,
616 static bool intel_sdvo_set_value(struct intel_sdvo
*intel_sdvo
, u8 cmd
, const void *data
, int len
)
618 if (!intel_sdvo_write_cmd(intel_sdvo
, cmd
, data
, len
))
621 return intel_sdvo_read_response(intel_sdvo
, NULL
, 0);
625 intel_sdvo_get_value(struct intel_sdvo
*intel_sdvo
, u8 cmd
, void *value
, int len
)
627 if (!intel_sdvo_write_cmd(intel_sdvo
, cmd
, NULL
, 0))
630 return intel_sdvo_read_response(intel_sdvo
, value
, len
);
633 static bool intel_sdvo_set_target_input(struct intel_sdvo
*intel_sdvo
)
635 struct intel_sdvo_set_target_input_args targets
= {0};
636 return intel_sdvo_set_value(intel_sdvo
,
637 SDVO_CMD_SET_TARGET_INPUT
,
638 &targets
, sizeof(targets
));
642 * Return whether each input is trained.
644 * This function is making an assumption about the layout of the response,
645 * which should be checked against the docs.
647 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo
*intel_sdvo
, bool *input_1
, bool *input_2
)
649 struct intel_sdvo_get_trained_inputs_response response
;
651 BUILD_BUG_ON(sizeof(response
) != 1);
652 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_TRAINED_INPUTS
,
653 &response
, sizeof(response
)))
656 *input_1
= response
.input0_trained
;
657 *input_2
= response
.input1_trained
;
661 static bool intel_sdvo_set_active_outputs(struct intel_sdvo
*intel_sdvo
,
664 return intel_sdvo_set_value(intel_sdvo
,
665 SDVO_CMD_SET_ACTIVE_OUTPUTS
,
666 &outputs
, sizeof(outputs
));
669 static bool intel_sdvo_get_active_outputs(struct intel_sdvo
*intel_sdvo
,
672 return intel_sdvo_get_value(intel_sdvo
,
673 SDVO_CMD_GET_ACTIVE_OUTPUTS
,
674 outputs
, sizeof(*outputs
));
677 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo
*intel_sdvo
,
680 u8 state
= SDVO_ENCODER_STATE_ON
;
683 case DRM_MODE_DPMS_ON
:
684 state
= SDVO_ENCODER_STATE_ON
;
686 case DRM_MODE_DPMS_STANDBY
:
687 state
= SDVO_ENCODER_STATE_STANDBY
;
689 case DRM_MODE_DPMS_SUSPEND
:
690 state
= SDVO_ENCODER_STATE_SUSPEND
;
692 case DRM_MODE_DPMS_OFF
:
693 state
= SDVO_ENCODER_STATE_OFF
;
697 return intel_sdvo_set_value(intel_sdvo
,
698 SDVO_CMD_SET_ENCODER_POWER_STATE
, &state
, sizeof(state
));
701 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo
*intel_sdvo
,
705 struct intel_sdvo_pixel_clock_range clocks
;
707 BUILD_BUG_ON(sizeof(clocks
) != 4);
708 if (!intel_sdvo_get_value(intel_sdvo
,
709 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE
,
710 &clocks
, sizeof(clocks
)))
713 /* Convert the values from units of 10 kHz to kHz. */
714 *clock_min
= clocks
.min
* 10;
715 *clock_max
= clocks
.max
* 10;
719 static bool intel_sdvo_set_target_output(struct intel_sdvo
*intel_sdvo
,
722 return intel_sdvo_set_value(intel_sdvo
,
723 SDVO_CMD_SET_TARGET_OUTPUT
,
724 &outputs
, sizeof(outputs
));
727 static bool intel_sdvo_set_timing(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
728 struct intel_sdvo_dtd
*dtd
)
730 return intel_sdvo_set_value(intel_sdvo
, cmd
, &dtd
->part1
, sizeof(dtd
->part1
)) &&
731 intel_sdvo_set_value(intel_sdvo
, cmd
+ 1, &dtd
->part2
, sizeof(dtd
->part2
));
734 static bool intel_sdvo_get_timing(struct intel_sdvo
*intel_sdvo
, u8 cmd
,
735 struct intel_sdvo_dtd
*dtd
)
737 return intel_sdvo_get_value(intel_sdvo
, cmd
, &dtd
->part1
, sizeof(dtd
->part1
)) &&
738 intel_sdvo_get_value(intel_sdvo
, cmd
+ 1, &dtd
->part2
, sizeof(dtd
->part2
));
741 static bool intel_sdvo_set_input_timing(struct intel_sdvo
*intel_sdvo
,
742 struct intel_sdvo_dtd
*dtd
)
744 return intel_sdvo_set_timing(intel_sdvo
,
745 SDVO_CMD_SET_INPUT_TIMINGS_PART1
, dtd
);
748 static bool intel_sdvo_set_output_timing(struct intel_sdvo
*intel_sdvo
,
749 struct intel_sdvo_dtd
*dtd
)
751 return intel_sdvo_set_timing(intel_sdvo
,
752 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1
, dtd
);
755 static bool intel_sdvo_get_input_timing(struct intel_sdvo
*intel_sdvo
,
756 struct intel_sdvo_dtd
*dtd
)
758 return intel_sdvo_get_timing(intel_sdvo
,
759 SDVO_CMD_GET_INPUT_TIMINGS_PART1
, dtd
);
763 intel_sdvo_create_preferred_input_timing(struct intel_sdvo
*intel_sdvo
,
768 struct intel_sdvo_preferred_input_timing_args args
;
770 memset(&args
, 0, sizeof(args
));
773 args
.height
= height
;
776 if (intel_sdvo
->is_lvds
&&
777 (intel_sdvo
->sdvo_lvds_fixed_mode
->hdisplay
!= width
||
778 intel_sdvo
->sdvo_lvds_fixed_mode
->vdisplay
!= height
))
781 return intel_sdvo_set_value(intel_sdvo
,
782 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING
,
783 &args
, sizeof(args
));
786 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo
*intel_sdvo
,
787 struct intel_sdvo_dtd
*dtd
)
789 BUILD_BUG_ON(sizeof(dtd
->part1
) != 8);
790 BUILD_BUG_ON(sizeof(dtd
->part2
) != 8);
791 return intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1
,
792 &dtd
->part1
, sizeof(dtd
->part1
)) &&
793 intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2
,
794 &dtd
->part2
, sizeof(dtd
->part2
));
797 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo
*intel_sdvo
, u8 val
)
799 return intel_sdvo_set_value(intel_sdvo
, SDVO_CMD_SET_CLOCK_RATE_MULT
, &val
, 1);
802 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd
*dtd
,
803 const struct drm_display_mode
*mode
)
805 uint16_t width
, height
;
806 uint16_t h_blank_len
, h_sync_len
, v_blank_len
, v_sync_len
;
807 uint16_t h_sync_offset
, v_sync_offset
;
810 memset(dtd
, 0, sizeof(*dtd
));
812 width
= mode
->hdisplay
;
813 height
= mode
->vdisplay
;
815 /* do some mode translations */
816 h_blank_len
= mode
->htotal
- mode
->hdisplay
;
817 h_sync_len
= mode
->hsync_end
- mode
->hsync_start
;
819 v_blank_len
= mode
->vtotal
- mode
->vdisplay
;
820 v_sync_len
= mode
->vsync_end
- mode
->vsync_start
;
822 h_sync_offset
= mode
->hsync_start
- mode
->hdisplay
;
823 v_sync_offset
= mode
->vsync_start
- mode
->vdisplay
;
825 mode_clock
= mode
->clock
;
827 dtd
->part1
.clock
= mode_clock
;
829 dtd
->part1
.h_active
= width
& 0xff;
830 dtd
->part1
.h_blank
= h_blank_len
& 0xff;
831 dtd
->part1
.h_high
= (((width
>> 8) & 0xf) << 4) |
832 ((h_blank_len
>> 8) & 0xf);
833 dtd
->part1
.v_active
= height
& 0xff;
834 dtd
->part1
.v_blank
= v_blank_len
& 0xff;
835 dtd
->part1
.v_high
= (((height
>> 8) & 0xf) << 4) |
836 ((v_blank_len
>> 8) & 0xf);
838 dtd
->part2
.h_sync_off
= h_sync_offset
& 0xff;
839 dtd
->part2
.h_sync_width
= h_sync_len
& 0xff;
840 dtd
->part2
.v_sync_off_width
= (v_sync_offset
& 0xf) << 4 |
842 dtd
->part2
.sync_off_width_high
= ((h_sync_offset
& 0x300) >> 2) |
843 ((h_sync_len
& 0x300) >> 4) | ((v_sync_offset
& 0x30) >> 2) |
844 ((v_sync_len
& 0x30) >> 4);
846 dtd
->part2
.dtd_flags
= 0x18;
847 if (mode
->flags
& DRM_MODE_FLAG_INTERLACE
)
848 dtd
->part2
.dtd_flags
|= DTD_FLAG_INTERLACE
;
849 if (mode
->flags
& DRM_MODE_FLAG_PHSYNC
)
850 dtd
->part2
.dtd_flags
|= DTD_FLAG_HSYNC_POSITIVE
;
851 if (mode
->flags
& DRM_MODE_FLAG_PVSYNC
)
852 dtd
->part2
.dtd_flags
|= DTD_FLAG_VSYNC_POSITIVE
;
854 dtd
->part2
.v_sync_off_high
= v_sync_offset
& 0xc0;
857 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode
*pmode
,
858 const struct intel_sdvo_dtd
*dtd
)
860 struct drm_display_mode mode
= {};
862 mode
.hdisplay
= dtd
->part1
.h_active
;
863 mode
.hdisplay
+= ((dtd
->part1
.h_high
>> 4) & 0x0f) << 8;
864 mode
.hsync_start
= mode
.hdisplay
+ dtd
->part2
.h_sync_off
;
865 mode
.hsync_start
+= (dtd
->part2
.sync_off_width_high
& 0xc0) << 2;
866 mode
.hsync_end
= mode
.hsync_start
+ dtd
->part2
.h_sync_width
;
867 mode
.hsync_end
+= (dtd
->part2
.sync_off_width_high
& 0x30) << 4;
868 mode
.htotal
= mode
.hdisplay
+ dtd
->part1
.h_blank
;
869 mode
.htotal
+= (dtd
->part1
.h_high
& 0xf) << 8;
871 mode
.vdisplay
= dtd
->part1
.v_active
;
872 mode
.vdisplay
+= ((dtd
->part1
.v_high
>> 4) & 0x0f) << 8;
873 mode
.vsync_start
= mode
.vdisplay
;
874 mode
.vsync_start
+= (dtd
->part2
.v_sync_off_width
>> 4) & 0xf;
875 mode
.vsync_start
+= (dtd
->part2
.sync_off_width_high
& 0x0c) << 2;
876 mode
.vsync_start
+= dtd
->part2
.v_sync_off_high
& 0xc0;
877 mode
.vsync_end
= mode
.vsync_start
+
878 (dtd
->part2
.v_sync_off_width
& 0xf);
879 mode
.vsync_end
+= (dtd
->part2
.sync_off_width_high
& 0x3) << 4;
880 mode
.vtotal
= mode
.vdisplay
+ dtd
->part1
.v_blank
;
881 mode
.vtotal
+= (dtd
->part1
.v_high
& 0xf) << 8;
883 mode
.clock
= dtd
->part1
.clock
* 10;
885 if (dtd
->part2
.dtd_flags
& DTD_FLAG_INTERLACE
)
886 mode
.flags
|= DRM_MODE_FLAG_INTERLACE
;
887 if (dtd
->part2
.dtd_flags
& DTD_FLAG_HSYNC_POSITIVE
)
888 mode
.flags
|= DRM_MODE_FLAG_PHSYNC
;
890 mode
.flags
|= DRM_MODE_FLAG_NHSYNC
;
891 if (dtd
->part2
.dtd_flags
& DTD_FLAG_VSYNC_POSITIVE
)
892 mode
.flags
|= DRM_MODE_FLAG_PVSYNC
;
894 mode
.flags
|= DRM_MODE_FLAG_NVSYNC
;
896 drm_mode_set_crtcinfo(&mode
, 0);
898 drm_mode_copy(pmode
, &mode
);
901 static bool intel_sdvo_check_supp_encode(struct intel_sdvo
*intel_sdvo
)
903 struct intel_sdvo_encode encode
;
905 BUILD_BUG_ON(sizeof(encode
) != 2);
906 return intel_sdvo_get_value(intel_sdvo
,
907 SDVO_CMD_GET_SUPP_ENCODE
,
908 &encode
, sizeof(encode
));
911 static bool intel_sdvo_set_encode(struct intel_sdvo
*intel_sdvo
,
914 return intel_sdvo_set_value(intel_sdvo
, SDVO_CMD_SET_ENCODE
, &mode
, 1);
917 static bool intel_sdvo_set_colorimetry(struct intel_sdvo
*intel_sdvo
,
920 return intel_sdvo_set_value(intel_sdvo
, SDVO_CMD_SET_COLORIMETRY
, &mode
, 1);
924 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo
*intel_sdvo
)
927 uint8_t set_buf_index
[2];
933 intel_sdvo_get_value(encoder
, SDVO_CMD_GET_HBUF_AV_SPLIT
, &av_split
, 1);
935 for (i
= 0; i
<= av_split
; i
++) {
936 set_buf_index
[0] = i
; set_buf_index
[1] = 0;
937 intel_sdvo_write_cmd(encoder
, SDVO_CMD_SET_HBUF_INDEX
,
939 intel_sdvo_write_cmd(encoder
, SDVO_CMD_GET_HBUF_INFO
, NULL
, 0);
940 intel_sdvo_read_response(encoder
, &buf_size
, 1);
943 for (j
= 0; j
<= buf_size
; j
+= 8) {
944 intel_sdvo_write_cmd(encoder
, SDVO_CMD_GET_HBUF_DATA
,
946 intel_sdvo_read_response(encoder
, pos
, 8);
953 static bool intel_sdvo_write_infoframe(struct intel_sdvo
*intel_sdvo
,
954 unsigned if_index
, uint8_t tx_rate
,
955 const uint8_t *data
, unsigned length
)
957 uint8_t set_buf_index
[2] = { if_index
, 0 };
958 uint8_t hbuf_size
, tmp
[8];
961 if (!intel_sdvo_set_value(intel_sdvo
,
962 SDVO_CMD_SET_HBUF_INDEX
,
966 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_HBUF_INFO
,
970 /* Buffer size is 0 based, hooray! */
973 DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
974 if_index
, length
, hbuf_size
);
976 for (i
= 0; i
< hbuf_size
; i
+= 8) {
979 memcpy(tmp
, data
+ i
, min_t(unsigned, 8, length
- i
));
981 if (!intel_sdvo_set_value(intel_sdvo
,
982 SDVO_CMD_SET_HBUF_DATA
,
987 return intel_sdvo_set_value(intel_sdvo
,
988 SDVO_CMD_SET_HBUF_TXRATE
,
992 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo
*intel_sdvo
,
993 const struct drm_display_mode
*adjusted_mode
)
995 uint8_t sdvo_data
[HDMI_INFOFRAME_SIZE(AVI
)];
996 struct drm_crtc
*crtc
= intel_sdvo
->base
.base
.crtc
;
997 struct intel_crtc
*intel_crtc
= to_intel_crtc(crtc
);
998 union hdmi_infoframe frame
;
1002 ret
= drm_hdmi_avi_infoframe_from_display_mode(&frame
.avi
,
1005 DRM_ERROR("couldn't fill AVI infoframe\n");
1009 if (intel_sdvo
->rgb_quant_range_selectable
) {
1010 if (intel_crtc
->config
->limited_color_range
)
1011 frame
.avi
.quantization_range
=
1012 HDMI_QUANTIZATION_RANGE_LIMITED
;
1014 frame
.avi
.quantization_range
=
1015 HDMI_QUANTIZATION_RANGE_FULL
;
1018 len
= hdmi_infoframe_pack(&frame
, sdvo_data
, sizeof(sdvo_data
));
1022 return intel_sdvo_write_infoframe(intel_sdvo
, SDVO_HBUF_INDEX_AVI_IF
,
1024 sdvo_data
, sizeof(sdvo_data
));
1027 static bool intel_sdvo_set_tv_format(struct intel_sdvo
*intel_sdvo
)
1029 struct intel_sdvo_tv_format format
;
1030 uint32_t format_map
;
1032 format_map
= 1 << intel_sdvo
->tv_format_index
;
1033 memset(&format
, 0, sizeof(format
));
1034 memcpy(&format
, &format_map
, min(sizeof(format
), sizeof(format_map
)));
1036 BUILD_BUG_ON(sizeof(format
) != 6);
1037 return intel_sdvo_set_value(intel_sdvo
,
1038 SDVO_CMD_SET_TV_FORMAT
,
1039 &format
, sizeof(format
));
1043 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo
*intel_sdvo
,
1044 const struct drm_display_mode
*mode
)
1046 struct intel_sdvo_dtd output_dtd
;
1048 if (!intel_sdvo_set_target_output(intel_sdvo
,
1049 intel_sdvo
->attached_output
))
1052 intel_sdvo_get_dtd_from_mode(&output_dtd
, mode
);
1053 if (!intel_sdvo_set_output_timing(intel_sdvo
, &output_dtd
))
1059 /* Asks the sdvo controller for the preferred input mode given the output mode.
1060 * Unfortunately we have to set up the full output mode to do that. */
1062 intel_sdvo_get_preferred_input_mode(struct intel_sdvo
*intel_sdvo
,
1063 const struct drm_display_mode
*mode
,
1064 struct drm_display_mode
*adjusted_mode
)
1066 struct intel_sdvo_dtd input_dtd
;
1068 /* Reset the input timing to the screen. Assume always input 0. */
1069 if (!intel_sdvo_set_target_input(intel_sdvo
))
1072 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo
,
1078 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo
,
1082 intel_sdvo_get_mode_from_dtd(adjusted_mode
, &input_dtd
);
1083 intel_sdvo
->dtd_sdvo_flags
= input_dtd
.part2
.sdvo_flags
;
1088 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state
*pipe_config
)
1090 unsigned dotclock
= pipe_config
->port_clock
;
1091 struct dpll
*clock
= &pipe_config
->dpll
;
1093 /* SDVO TV has fixed PLL values depend on its clock range,
1094 this mirrors vbios setting. */
1095 if (dotclock
>= 100000 && dotclock
< 140500) {
1101 } else if (dotclock
>= 140500 && dotclock
<= 200000) {
1108 WARN(1, "SDVO TV clock out of range: %i\n", dotclock
);
1111 pipe_config
->clock_set
= true;
1114 static bool intel_sdvo_compute_config(struct intel_encoder
*encoder
,
1115 struct intel_crtc_state
*pipe_config
)
1117 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1118 struct drm_display_mode
*adjusted_mode
= &pipe_config
->base
.adjusted_mode
;
1119 struct drm_display_mode
*mode
= &pipe_config
->base
.mode
;
1121 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1122 pipe_config
->pipe_bpp
= 8*3;
1124 if (HAS_PCH_SPLIT(encoder
->base
.dev
))
1125 pipe_config
->has_pch_encoder
= true;
1127 /* We need to construct preferred input timings based on our
1128 * output timings. To do that, we have to set the output
1129 * timings, even though this isn't really the right place in
1130 * the sequence to do it. Oh well.
1132 if (intel_sdvo
->is_tv
) {
1133 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo
, mode
))
1136 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo
,
1139 pipe_config
->sdvo_tv_clock
= true;
1140 } else if (intel_sdvo
->is_lvds
) {
1141 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo
,
1142 intel_sdvo
->sdvo_lvds_fixed_mode
))
1145 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo
,
1150 /* Make the CRTC code factor in the SDVO pixel multiplier. The
1151 * SDVO device will factor out the multiplier during mode_set.
1153 pipe_config
->pixel_multiplier
=
1154 intel_sdvo_get_pixel_multiplier(adjusted_mode
);
1156 pipe_config
->has_hdmi_sink
= intel_sdvo
->has_hdmi_monitor
;
1158 if (intel_sdvo
->color_range_auto
) {
1159 /* See CEA-861-E - 5.1 Default Encoding Parameters */
1160 /* FIXME: This bit is only valid when using TMDS encoding and 8
1161 * bit per color mode. */
1162 if (pipe_config
->has_hdmi_sink
&&
1163 drm_match_cea_mode(adjusted_mode
) > 1)
1164 pipe_config
->limited_color_range
= true;
1166 if (pipe_config
->has_hdmi_sink
&&
1167 intel_sdvo
->color_range
== HDMI_COLOR_RANGE_16_235
)
1168 pipe_config
->limited_color_range
= true;
1171 /* Clock computation needs to happen after pixel multiplier. */
1172 if (intel_sdvo
->is_tv
)
1173 i9xx_adjust_sdvo_tv_clock(pipe_config
);
1178 static void intel_sdvo_pre_enable(struct intel_encoder
*intel_encoder
)
1180 struct drm_device
*dev
= intel_encoder
->base
.dev
;
1181 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1182 struct intel_crtc
*crtc
= to_intel_crtc(intel_encoder
->base
.crtc
);
1183 struct drm_display_mode
*adjusted_mode
=
1184 &crtc
->config
->base
.adjusted_mode
;
1185 struct drm_display_mode
*mode
= &crtc
->config
->base
.mode
;
1186 struct intel_sdvo
*intel_sdvo
= to_sdvo(intel_encoder
);
1188 struct intel_sdvo_in_out_map in_out
;
1189 struct intel_sdvo_dtd input_dtd
, output_dtd
;
1195 /* First, set the input mapping for the first input to our controlled
1196 * output. This is only correct if we're a single-input device, in
1197 * which case the first input is the output from the appropriate SDVO
1198 * channel on the motherboard. In a two-input device, the first input
1199 * will be SDVOB and the second SDVOC.
1201 in_out
.in0
= intel_sdvo
->attached_output
;
1204 intel_sdvo_set_value(intel_sdvo
,
1205 SDVO_CMD_SET_IN_OUT_MAP
,
1206 &in_out
, sizeof(in_out
));
1208 /* Set the output timings to the screen */
1209 if (!intel_sdvo_set_target_output(intel_sdvo
,
1210 intel_sdvo
->attached_output
))
1213 /* lvds has a special fixed output timing. */
1214 if (intel_sdvo
->is_lvds
)
1215 intel_sdvo_get_dtd_from_mode(&output_dtd
,
1216 intel_sdvo
->sdvo_lvds_fixed_mode
);
1218 intel_sdvo_get_dtd_from_mode(&output_dtd
, mode
);
1219 if (!intel_sdvo_set_output_timing(intel_sdvo
, &output_dtd
))
1220 DRM_INFO("Setting output timings on %s failed\n",
1221 SDVO_NAME(intel_sdvo
));
1223 /* Set the input timing to the screen. Assume always input 0. */
1224 if (!intel_sdvo_set_target_input(intel_sdvo
))
1227 if (crtc
->config
->has_hdmi_sink
) {
1228 intel_sdvo_set_encode(intel_sdvo
, SDVO_ENCODE_HDMI
);
1229 intel_sdvo_set_colorimetry(intel_sdvo
,
1230 SDVO_COLORIMETRY_RGB256
);
1231 intel_sdvo_set_avi_infoframe(intel_sdvo
, adjusted_mode
);
1233 intel_sdvo_set_encode(intel_sdvo
, SDVO_ENCODE_DVI
);
1235 if (intel_sdvo
->is_tv
&&
1236 !intel_sdvo_set_tv_format(intel_sdvo
))
1239 intel_sdvo_get_dtd_from_mode(&input_dtd
, adjusted_mode
);
1241 if (intel_sdvo
->is_tv
|| intel_sdvo
->is_lvds
)
1242 input_dtd
.part2
.sdvo_flags
= intel_sdvo
->dtd_sdvo_flags
;
1243 if (!intel_sdvo_set_input_timing(intel_sdvo
, &input_dtd
))
1244 DRM_INFO("Setting input timings on %s failed\n",
1245 SDVO_NAME(intel_sdvo
));
1247 switch (crtc
->config
->pixel_multiplier
) {
1249 WARN(1, "unknown pixel mutlipler specified\n");
1250 case 1: rate
= SDVO_CLOCK_RATE_MULT_1X
; break;
1251 case 2: rate
= SDVO_CLOCK_RATE_MULT_2X
; break;
1252 case 4: rate
= SDVO_CLOCK_RATE_MULT_4X
; break;
1254 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo
, rate
))
1257 /* Set the SDVO control regs. */
1258 if (INTEL_INFO(dev
)->gen
>= 4) {
1259 /* The real mode polarity is set by the SDVO commands, using
1260 * struct intel_sdvo_dtd. */
1261 sdvox
= SDVO_VSYNC_ACTIVE_HIGH
| SDVO_HSYNC_ACTIVE_HIGH
;
1262 if (!HAS_PCH_SPLIT(dev
) && crtc
->config
->limited_color_range
)
1263 sdvox
|= HDMI_COLOR_RANGE_16_235
;
1264 if (INTEL_INFO(dev
)->gen
< 5)
1265 sdvox
|= SDVO_BORDER_ENABLE
;
1267 sdvox
= I915_READ(intel_sdvo
->sdvo_reg
);
1268 switch (intel_sdvo
->sdvo_reg
) {
1270 sdvox
&= SDVOB_PRESERVE_MASK
;
1273 sdvox
&= SDVOC_PRESERVE_MASK
;
1276 sdvox
|= (9 << 19) | SDVO_BORDER_ENABLE
;
1279 if (INTEL_PCH_TYPE(dev
) >= PCH_CPT
)
1280 sdvox
|= SDVO_PIPE_SEL_CPT(crtc
->pipe
);
1282 sdvox
|= SDVO_PIPE_SEL(crtc
->pipe
);
1284 if (intel_sdvo
->has_hdmi_audio
)
1285 sdvox
|= SDVO_AUDIO_ENABLE
;
1287 if (INTEL_INFO(dev
)->gen
>= 4) {
1288 /* done in crtc_mode_set as the dpll_md reg must be written early */
1289 } else if (IS_I945G(dev
) || IS_I945GM(dev
) || IS_G33(dev
)) {
1290 /* done in crtc_mode_set as it lives inside the dpll register */
1292 sdvox
|= (crtc
->config
->pixel_multiplier
- 1)
1293 << SDVO_PORT_MULTIPLY_SHIFT
;
1296 if (input_dtd
.part2
.sdvo_flags
& SDVO_NEED_TO_STALL
&&
1297 INTEL_INFO(dev
)->gen
< 5)
1298 sdvox
|= SDVO_STALL_SELECT
;
1299 intel_sdvo_write_sdvox(intel_sdvo
, sdvox
);
1302 static bool intel_sdvo_connector_get_hw_state(struct intel_connector
*connector
)
1304 struct intel_sdvo_connector
*intel_sdvo_connector
=
1305 to_intel_sdvo_connector(&connector
->base
);
1306 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(&connector
->base
);
1307 u16 active_outputs
= 0;
1309 intel_sdvo_get_active_outputs(intel_sdvo
, &active_outputs
);
1311 if (active_outputs
& intel_sdvo_connector
->output_flag
)
1317 static bool intel_sdvo_get_hw_state(struct intel_encoder
*encoder
,
1320 struct drm_device
*dev
= encoder
->base
.dev
;
1321 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1322 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1323 u16 active_outputs
= 0;
1326 tmp
= I915_READ(intel_sdvo
->sdvo_reg
);
1327 intel_sdvo_get_active_outputs(intel_sdvo
, &active_outputs
);
1329 if (!(tmp
& SDVO_ENABLE
) && (active_outputs
== 0))
1332 if (HAS_PCH_CPT(dev
))
1333 *pipe
= PORT_TO_PIPE_CPT(tmp
);
1335 *pipe
= PORT_TO_PIPE(tmp
);
1340 static void intel_sdvo_get_config(struct intel_encoder
*encoder
,
1341 struct intel_crtc_state
*pipe_config
)
1343 struct drm_device
*dev
= encoder
->base
.dev
;
1344 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1345 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1346 struct intel_sdvo_dtd dtd
;
1347 int encoder_pixel_multiplier
= 0;
1349 u32 flags
= 0, sdvox
;
1353 sdvox
= I915_READ(intel_sdvo
->sdvo_reg
);
1355 ret
= intel_sdvo_get_input_timing(intel_sdvo
, &dtd
);
1357 /* Some sdvo encoders are not spec compliant and don't
1358 * implement the mandatory get_timings function. */
1359 DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n");
1360 pipe_config
->quirks
|= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS
;
1362 if (dtd
.part2
.dtd_flags
& DTD_FLAG_HSYNC_POSITIVE
)
1363 flags
|= DRM_MODE_FLAG_PHSYNC
;
1365 flags
|= DRM_MODE_FLAG_NHSYNC
;
1367 if (dtd
.part2
.dtd_flags
& DTD_FLAG_VSYNC_POSITIVE
)
1368 flags
|= DRM_MODE_FLAG_PVSYNC
;
1370 flags
|= DRM_MODE_FLAG_NVSYNC
;
1373 pipe_config
->base
.adjusted_mode
.flags
|= flags
;
1376 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1377 * the sdvo port register, on all other platforms it is part of the dpll
1378 * state. Since the general pipe state readout happens before the
1379 * encoder->get_config we so already have a valid pixel multplier on all
1382 if (IS_I915G(dev
) || IS_I915GM(dev
)) {
1383 pipe_config
->pixel_multiplier
=
1384 ((sdvox
& SDVO_PORT_MULTIPLY_MASK
)
1385 >> SDVO_PORT_MULTIPLY_SHIFT
) + 1;
1388 dotclock
= pipe_config
->port_clock
;
1389 if (pipe_config
->pixel_multiplier
)
1390 dotclock
/= pipe_config
->pixel_multiplier
;
1392 if (HAS_PCH_SPLIT(dev
))
1393 ironlake_check_encoder_dotclock(pipe_config
, dotclock
);
1395 pipe_config
->base
.adjusted_mode
.crtc_clock
= dotclock
;
1397 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1398 if (intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_CLOCK_RATE_MULT
,
1401 case SDVO_CLOCK_RATE_MULT_1X
:
1402 encoder_pixel_multiplier
= 1;
1404 case SDVO_CLOCK_RATE_MULT_2X
:
1405 encoder_pixel_multiplier
= 2;
1407 case SDVO_CLOCK_RATE_MULT_4X
:
1408 encoder_pixel_multiplier
= 4;
1413 if (sdvox
& HDMI_COLOR_RANGE_16_235
)
1414 pipe_config
->limited_color_range
= true;
1416 if (intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_ENCODE
,
1418 if (val
== SDVO_ENCODE_HDMI
)
1419 pipe_config
->has_hdmi_sink
= true;
1422 WARN(encoder_pixel_multiplier
!= pipe_config
->pixel_multiplier
,
1423 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1424 pipe_config
->pixel_multiplier
, encoder_pixel_multiplier
);
1427 static void intel_disable_sdvo(struct intel_encoder
*encoder
)
1429 struct drm_i915_private
*dev_priv
= encoder
->base
.dev
->dev_private
;
1430 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1433 intel_sdvo_set_active_outputs(intel_sdvo
, 0);
1435 intel_sdvo_set_encoder_power_state(intel_sdvo
,
1438 temp
= I915_READ(intel_sdvo
->sdvo_reg
);
1439 if ((temp
& SDVO_ENABLE
) != 0) {
1440 /* HW workaround for IBX, we need to move the port to
1441 * transcoder A before disabling it. */
1442 if (HAS_PCH_IBX(encoder
->base
.dev
)) {
1443 struct drm_crtc
*crtc
= encoder
->base
.crtc
;
1444 int pipe
= crtc
? to_intel_crtc(crtc
)->pipe
: -1;
1446 if (temp
& SDVO_PIPE_B_SELECT
) {
1447 temp
&= ~SDVO_PIPE_B_SELECT
;
1448 I915_WRITE(intel_sdvo
->sdvo_reg
, temp
);
1449 POSTING_READ(intel_sdvo
->sdvo_reg
);
1451 /* Again we need to write this twice. */
1452 I915_WRITE(intel_sdvo
->sdvo_reg
, temp
);
1453 POSTING_READ(intel_sdvo
->sdvo_reg
);
1455 /* Transcoder selection bits only update
1456 * effectively on vblank. */
1458 intel_wait_for_vblank(encoder
->base
.dev
, pipe
);
1464 intel_sdvo_write_sdvox(intel_sdvo
, temp
& ~SDVO_ENABLE
);
1468 static void intel_enable_sdvo(struct intel_encoder
*encoder
)
1470 struct drm_device
*dev
= encoder
->base
.dev
;
1471 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1472 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1473 struct intel_crtc
*intel_crtc
= to_intel_crtc(encoder
->base
.crtc
);
1475 bool input1
, input2
;
1479 temp
= I915_READ(intel_sdvo
->sdvo_reg
);
1480 if ((temp
& SDVO_ENABLE
) == 0) {
1481 /* HW workaround for IBX, we need to move the port
1482 * to transcoder A before disabling it, so restore it here. */
1483 if (HAS_PCH_IBX(dev
))
1484 temp
|= SDVO_PIPE_SEL(intel_crtc
->pipe
);
1486 intel_sdvo_write_sdvox(intel_sdvo
, temp
| SDVO_ENABLE
);
1488 for (i
= 0; i
< 2; i
++)
1489 intel_wait_for_vblank(dev
, intel_crtc
->pipe
);
1491 success
= intel_sdvo_get_trained_inputs(intel_sdvo
, &input1
, &input2
);
1492 /* Warn if the device reported failure to sync.
1493 * A lot of SDVO devices fail to notify of sync, but it's
1494 * a given it the status is a success, we succeeded.
1496 if (success
&& !input1
) {
1497 DRM_DEBUG_KMS("First %s output reported failure to "
1498 "sync\n", SDVO_NAME(intel_sdvo
));
1502 intel_sdvo_set_encoder_power_state(intel_sdvo
,
1504 intel_sdvo_set_active_outputs(intel_sdvo
, intel_sdvo
->attached_output
);
1507 /* Special dpms function to support cloning between dvo/sdvo/crt. */
1508 static void intel_sdvo_dpms(struct drm_connector
*connector
, int mode
)
1510 struct drm_crtc
*crtc
;
1511 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1513 /* dvo supports only 2 dpms states. */
1514 if (mode
!= DRM_MODE_DPMS_ON
)
1515 mode
= DRM_MODE_DPMS_OFF
;
1517 if (mode
== connector
->dpms
)
1520 connector
->dpms
= mode
;
1522 /* Only need to change hw state when actually enabled */
1523 crtc
= intel_sdvo
->base
.base
.crtc
;
1525 intel_sdvo
->base
.connectors_active
= false;
1529 /* We set active outputs manually below in case pipe dpms doesn't change
1530 * due to cloning. */
1531 if (mode
!= DRM_MODE_DPMS_ON
) {
1532 intel_sdvo_set_active_outputs(intel_sdvo
, 0);
1534 intel_sdvo_set_encoder_power_state(intel_sdvo
, mode
);
1536 intel_sdvo
->base
.connectors_active
= false;
1538 intel_crtc_update_dpms(crtc
);
1540 intel_sdvo
->base
.connectors_active
= true;
1542 intel_crtc_update_dpms(crtc
);
1545 intel_sdvo_set_encoder_power_state(intel_sdvo
, mode
);
1546 intel_sdvo_set_active_outputs(intel_sdvo
, intel_sdvo
->attached_output
);
1549 intel_modeset_check_state(connector
->dev
);
1552 static enum drm_mode_status
1553 intel_sdvo_mode_valid(struct drm_connector
*connector
,
1554 struct drm_display_mode
*mode
)
1556 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1558 if (mode
->flags
& DRM_MODE_FLAG_DBLSCAN
)
1559 return MODE_NO_DBLESCAN
;
1561 if (intel_sdvo
->pixel_clock_min
> mode
->clock
)
1562 return MODE_CLOCK_LOW
;
1564 if (intel_sdvo
->pixel_clock_max
< mode
->clock
)
1565 return MODE_CLOCK_HIGH
;
1567 if (intel_sdvo
->is_lvds
) {
1568 if (mode
->hdisplay
> intel_sdvo
->sdvo_lvds_fixed_mode
->hdisplay
)
1571 if (mode
->vdisplay
> intel_sdvo
->sdvo_lvds_fixed_mode
->vdisplay
)
1578 static bool intel_sdvo_get_capabilities(struct intel_sdvo
*intel_sdvo
, struct intel_sdvo_caps
*caps
)
1580 BUILD_BUG_ON(sizeof(*caps
) != 8);
1581 if (!intel_sdvo_get_value(intel_sdvo
,
1582 SDVO_CMD_GET_DEVICE_CAPS
,
1583 caps
, sizeof(*caps
)))
1586 DRM_DEBUG_KMS("SDVO capabilities:\n"
1589 " device_rev_id: %d\n"
1590 " sdvo_version_major: %d\n"
1591 " sdvo_version_minor: %d\n"
1592 " sdvo_inputs_mask: %d\n"
1593 " smooth_scaling: %d\n"
1594 " sharp_scaling: %d\n"
1596 " down_scaling: %d\n"
1597 " stall_support: %d\n"
1598 " output_flags: %d\n",
1601 caps
->device_rev_id
,
1602 caps
->sdvo_version_major
,
1603 caps
->sdvo_version_minor
,
1604 caps
->sdvo_inputs_mask
,
1605 caps
->smooth_scaling
,
1606 caps
->sharp_scaling
,
1609 caps
->stall_support
,
1610 caps
->output_flags
);
1615 static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo
*intel_sdvo
)
1617 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
1620 if (!I915_HAS_HOTPLUG(dev
))
1623 /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1625 if (IS_I945G(dev
) || IS_I945GM(dev
))
1628 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_HOT_PLUG_SUPPORT
,
1629 &hotplug
, sizeof(hotplug
)))
1635 static void intel_sdvo_enable_hotplug(struct intel_encoder
*encoder
)
1637 struct intel_sdvo
*intel_sdvo
= to_sdvo(encoder
);
1639 intel_sdvo_write_cmd(intel_sdvo
, SDVO_CMD_SET_ACTIVE_HOT_PLUG
,
1640 &intel_sdvo
->hotplug_active
, 2);
1644 intel_sdvo_multifunc_encoder(struct intel_sdvo
*intel_sdvo
)
1646 /* Is there more than one type of output? */
1647 return hweight16(intel_sdvo
->caps
.output_flags
) > 1;
1650 static struct edid
*
1651 intel_sdvo_get_edid(struct drm_connector
*connector
)
1653 struct intel_sdvo
*sdvo
= intel_attached_sdvo(connector
);
1654 return drm_get_edid(connector
, &sdvo
->ddc
);
1657 /* Mac mini hack -- use the same DDC as the analog connector */
1658 static struct edid
*
1659 intel_sdvo_get_analog_edid(struct drm_connector
*connector
)
1661 struct drm_i915_private
*dev_priv
= connector
->dev
->dev_private
;
1663 return drm_get_edid(connector
,
1664 intel_gmbus_get_adapter(dev_priv
,
1665 dev_priv
->vbt
.crt_ddc_pin
));
1668 static enum drm_connector_status
1669 intel_sdvo_tmds_sink_detect(struct drm_connector
*connector
)
1671 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1672 enum drm_connector_status status
;
1675 edid
= intel_sdvo_get_edid(connector
);
1677 if (edid
== NULL
&& intel_sdvo_multifunc_encoder(intel_sdvo
)) {
1678 u8 ddc
, saved_ddc
= intel_sdvo
->ddc_bus
;
1681 * Don't use the 1 as the argument of DDC bus switch to get
1682 * the EDID. It is used for SDVO SPD ROM.
1684 for (ddc
= intel_sdvo
->ddc_bus
>> 1; ddc
> 1; ddc
>>= 1) {
1685 intel_sdvo
->ddc_bus
= ddc
;
1686 edid
= intel_sdvo_get_edid(connector
);
1691 * If we found the EDID on the other bus,
1692 * assume that is the correct DDC bus.
1695 intel_sdvo
->ddc_bus
= saved_ddc
;
1699 * When there is no edid and no monitor is connected with VGA
1700 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1703 edid
= intel_sdvo_get_analog_edid(connector
);
1705 status
= connector_status_unknown
;
1707 /* DDC bus is shared, match EDID to connector type */
1708 if (edid
->input
& DRM_EDID_INPUT_DIGITAL
) {
1709 status
= connector_status_connected
;
1710 if (intel_sdvo
->is_hdmi
) {
1711 intel_sdvo
->has_hdmi_monitor
= drm_detect_hdmi_monitor(edid
);
1712 intel_sdvo
->has_hdmi_audio
= drm_detect_monitor_audio(edid
);
1713 intel_sdvo
->rgb_quant_range_selectable
=
1714 drm_rgb_quant_range_selectable(edid
);
1717 status
= connector_status_disconnected
;
1721 if (status
== connector_status_connected
) {
1722 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
1723 if (intel_sdvo_connector
->force_audio
!= HDMI_AUDIO_AUTO
)
1724 intel_sdvo
->has_hdmi_audio
= (intel_sdvo_connector
->force_audio
== HDMI_AUDIO_ON
);
1731 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector
*sdvo
,
1734 bool monitor_is_digital
= !!(edid
->input
& DRM_EDID_INPUT_DIGITAL
);
1735 bool connector_is_digital
= !!IS_DIGITAL(sdvo
);
1737 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1738 connector_is_digital
, monitor_is_digital
);
1739 return connector_is_digital
== monitor_is_digital
;
1742 static enum drm_connector_status
1743 intel_sdvo_detect(struct drm_connector
*connector
, bool force
)
1746 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1747 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
1748 enum drm_connector_status ret
;
1750 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1751 connector
->base
.id
, connector
->name
);
1753 if (!intel_sdvo_get_value(intel_sdvo
,
1754 SDVO_CMD_GET_ATTACHED_DISPLAYS
,
1756 return connector_status_unknown
;
1758 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1759 response
& 0xff, response
>> 8,
1760 intel_sdvo_connector
->output_flag
);
1763 return connector_status_disconnected
;
1765 intel_sdvo
->attached_output
= response
;
1767 intel_sdvo
->has_hdmi_monitor
= false;
1768 intel_sdvo
->has_hdmi_audio
= false;
1769 intel_sdvo
->rgb_quant_range_selectable
= false;
1771 if ((intel_sdvo_connector
->output_flag
& response
) == 0)
1772 ret
= connector_status_disconnected
;
1773 else if (IS_TMDS(intel_sdvo_connector
))
1774 ret
= intel_sdvo_tmds_sink_detect(connector
);
1778 /* if we have an edid check it matches the connection */
1779 edid
= intel_sdvo_get_edid(connector
);
1781 edid
= intel_sdvo_get_analog_edid(connector
);
1783 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector
,
1785 ret
= connector_status_connected
;
1787 ret
= connector_status_disconnected
;
1791 ret
= connector_status_connected
;
1794 /* May update encoder flag for like clock for SDVO TV, etc.*/
1795 if (ret
== connector_status_connected
) {
1796 intel_sdvo
->is_tv
= false;
1797 intel_sdvo
->is_lvds
= false;
1799 if (response
& SDVO_TV_MASK
)
1800 intel_sdvo
->is_tv
= true;
1801 if (response
& SDVO_LVDS_MASK
)
1802 intel_sdvo
->is_lvds
= intel_sdvo
->sdvo_lvds_fixed_mode
!= NULL
;
1808 static void intel_sdvo_get_ddc_modes(struct drm_connector
*connector
)
1812 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1813 connector
->base
.id
, connector
->name
);
1815 /* set the bus switch and get the modes */
1816 edid
= intel_sdvo_get_edid(connector
);
1819 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1820 * link between analog and digital outputs. So, if the regular SDVO
1821 * DDC fails, check to see if the analog output is disconnected, in
1822 * which case we'll look there for the digital DDC data.
1825 edid
= intel_sdvo_get_analog_edid(connector
);
1828 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector
),
1830 drm_mode_connector_update_edid_property(connector
, edid
);
1831 drm_add_edid_modes(connector
, edid
);
1839 * Set of SDVO TV modes.
1840 * Note! This is in reply order (see loop in get_tv_modes).
1841 * XXX: all 60Hz refresh?
1843 static const struct drm_display_mode sdvo_tv_modes
[] = {
1844 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER
, 5815, 320, 321, 384,
1845 416, 0, 200, 201, 232, 233, 0,
1846 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1847 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER
, 6814, 320, 321, 384,
1848 416, 0, 240, 241, 272, 273, 0,
1849 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1850 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER
, 9910, 400, 401, 464,
1851 496, 0, 300, 301, 332, 333, 0,
1852 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1853 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER
, 16913, 640, 641, 704,
1854 736, 0, 350, 351, 382, 383, 0,
1855 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1856 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER
, 19121, 640, 641, 704,
1857 736, 0, 400, 401, 432, 433, 0,
1858 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1859 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 22654, 640, 641, 704,
1860 736, 0, 480, 481, 512, 513, 0,
1861 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1862 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER
, 24624, 704, 705, 768,
1863 800, 0, 480, 481, 512, 513, 0,
1864 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1865 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER
, 29232, 704, 705, 768,
1866 800, 0, 576, 577, 608, 609, 0,
1867 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1868 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER
, 18751, 720, 721, 784,
1869 816, 0, 350, 351, 382, 383, 0,
1870 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1871 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER
, 21199, 720, 721, 784,
1872 816, 0, 400, 401, 432, 433, 0,
1873 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1874 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 25116, 720, 721, 784,
1875 816, 0, 480, 481, 512, 513, 0,
1876 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1877 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER
, 28054, 720, 721, 784,
1878 816, 0, 540, 541, 572, 573, 0,
1879 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1880 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 29816, 720, 721, 784,
1881 816, 0, 576, 577, 608, 609, 0,
1882 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1883 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER
, 31570, 768, 769, 832,
1884 864, 0, 576, 577, 608, 609, 0,
1885 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1886 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 34030, 800, 801, 864,
1887 896, 0, 600, 601, 632, 633, 0,
1888 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1889 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER
, 36581, 832, 833, 896,
1890 928, 0, 624, 625, 656, 657, 0,
1891 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1892 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER
, 48707, 920, 921, 984,
1893 1016, 0, 766, 767, 798, 799, 0,
1894 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1895 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 53827, 1024, 1025, 1088,
1896 1120, 0, 768, 769, 800, 801, 0,
1897 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1898 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 87265, 1280, 1281, 1344,
1899 1376, 0, 1024, 1025, 1056, 1057, 0,
1900 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
1903 static void intel_sdvo_get_tv_modes(struct drm_connector
*connector
)
1905 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1906 struct intel_sdvo_sdtv_resolution_request tv_res
;
1907 uint32_t reply
= 0, format_map
= 0;
1910 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1911 connector
->base
.id
, connector
->name
);
1913 /* Read the list of supported input resolutions for the selected TV
1916 format_map
= 1 << intel_sdvo
->tv_format_index
;
1917 memcpy(&tv_res
, &format_map
,
1918 min(sizeof(format_map
), sizeof(struct intel_sdvo_sdtv_resolution_request
)));
1920 if (!intel_sdvo_set_target_output(intel_sdvo
, intel_sdvo
->attached_output
))
1923 BUILD_BUG_ON(sizeof(tv_res
) != 3);
1924 if (!intel_sdvo_write_cmd(intel_sdvo
,
1925 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT
,
1926 &tv_res
, sizeof(tv_res
)))
1928 if (!intel_sdvo_read_response(intel_sdvo
, &reply
, 3))
1931 for (i
= 0; i
< ARRAY_SIZE(sdvo_tv_modes
); i
++)
1932 if (reply
& (1 << i
)) {
1933 struct drm_display_mode
*nmode
;
1934 nmode
= drm_mode_duplicate(connector
->dev
,
1937 drm_mode_probed_add(connector
, nmode
);
1941 static void intel_sdvo_get_lvds_modes(struct drm_connector
*connector
)
1943 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
1944 struct drm_i915_private
*dev_priv
= connector
->dev
->dev_private
;
1945 struct drm_display_mode
*newmode
;
1947 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1948 connector
->base
.id
, connector
->name
);
1951 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
1952 * SDVO->LVDS transcoders can't cope with the EDID mode.
1954 if (dev_priv
->vbt
.sdvo_lvds_vbt_mode
!= NULL
) {
1955 newmode
= drm_mode_duplicate(connector
->dev
,
1956 dev_priv
->vbt
.sdvo_lvds_vbt_mode
);
1957 if (newmode
!= NULL
) {
1958 /* Guarantee the mode is preferred */
1959 newmode
->type
= (DRM_MODE_TYPE_PREFERRED
|
1960 DRM_MODE_TYPE_DRIVER
);
1961 drm_mode_probed_add(connector
, newmode
);
1966 * Attempt to get the mode list from DDC.
1967 * Assume that the preferred modes are
1968 * arranged in priority order.
1970 intel_ddc_get_modes(connector
, &intel_sdvo
->ddc
);
1972 list_for_each_entry(newmode
, &connector
->probed_modes
, head
) {
1973 if (newmode
->type
& DRM_MODE_TYPE_PREFERRED
) {
1974 intel_sdvo
->sdvo_lvds_fixed_mode
=
1975 drm_mode_duplicate(connector
->dev
, newmode
);
1977 intel_sdvo
->is_lvds
= true;
1983 static int intel_sdvo_get_modes(struct drm_connector
*connector
)
1985 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
1987 if (IS_TV(intel_sdvo_connector
))
1988 intel_sdvo_get_tv_modes(connector
);
1989 else if (IS_LVDS(intel_sdvo_connector
))
1990 intel_sdvo_get_lvds_modes(connector
);
1992 intel_sdvo_get_ddc_modes(connector
);
1994 return !list_empty(&connector
->probed_modes
);
1997 static void intel_sdvo_destroy(struct drm_connector
*connector
)
1999 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
2001 drm_connector_cleanup(connector
);
2002 kfree(intel_sdvo_connector
);
2005 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector
*connector
)
2007 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
2009 bool has_audio
= false;
2011 if (!intel_sdvo
->is_hdmi
)
2014 edid
= intel_sdvo_get_edid(connector
);
2015 if (edid
!= NULL
&& edid
->input
& DRM_EDID_INPUT_DIGITAL
)
2016 has_audio
= drm_detect_monitor_audio(edid
);
2023 intel_sdvo_set_property(struct drm_connector
*connector
,
2024 struct drm_property
*property
,
2027 struct intel_sdvo
*intel_sdvo
= intel_attached_sdvo(connector
);
2028 struct intel_sdvo_connector
*intel_sdvo_connector
= to_intel_sdvo_connector(connector
);
2029 struct drm_i915_private
*dev_priv
= connector
->dev
->dev_private
;
2030 uint16_t temp_value
;
2034 ret
= drm_object_property_set_value(&connector
->base
, property
, val
);
2038 if (property
== dev_priv
->force_audio_property
) {
2042 if (i
== intel_sdvo_connector
->force_audio
)
2045 intel_sdvo_connector
->force_audio
= i
;
2047 if (i
== HDMI_AUDIO_AUTO
)
2048 has_audio
= intel_sdvo_detect_hdmi_audio(connector
);
2050 has_audio
= (i
== HDMI_AUDIO_ON
);
2052 if (has_audio
== intel_sdvo
->has_hdmi_audio
)
2055 intel_sdvo
->has_hdmi_audio
= has_audio
;
2059 if (property
== dev_priv
->broadcast_rgb_property
) {
2060 bool old_auto
= intel_sdvo
->color_range_auto
;
2061 uint32_t old_range
= intel_sdvo
->color_range
;
2064 case INTEL_BROADCAST_RGB_AUTO
:
2065 intel_sdvo
->color_range_auto
= true;
2067 case INTEL_BROADCAST_RGB_FULL
:
2068 intel_sdvo
->color_range_auto
= false;
2069 intel_sdvo
->color_range
= 0;
2071 case INTEL_BROADCAST_RGB_LIMITED
:
2072 intel_sdvo
->color_range_auto
= false;
2073 /* FIXME: this bit is only valid when using TMDS
2074 * encoding and 8 bit per color mode. */
2075 intel_sdvo
->color_range
= HDMI_COLOR_RANGE_16_235
;
2081 if (old_auto
== intel_sdvo
->color_range_auto
&&
2082 old_range
== intel_sdvo
->color_range
)
2088 #define CHECK_PROPERTY(name, NAME) \
2089 if (intel_sdvo_connector->name == property) { \
2090 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
2091 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
2092 cmd = SDVO_CMD_SET_##NAME; \
2093 intel_sdvo_connector->cur_##name = temp_value; \
2097 if (property
== intel_sdvo_connector
->tv_format
) {
2098 if (val
>= TV_FORMAT_NUM
)
2101 if (intel_sdvo
->tv_format_index
==
2102 intel_sdvo_connector
->tv_format_supported
[val
])
2105 intel_sdvo
->tv_format_index
= intel_sdvo_connector
->tv_format_supported
[val
];
2107 } else if (IS_TV_OR_LVDS(intel_sdvo_connector
)) {
2109 if (intel_sdvo_connector
->left
== property
) {
2110 drm_object_property_set_value(&connector
->base
,
2111 intel_sdvo_connector
->right
, val
);
2112 if (intel_sdvo_connector
->left_margin
== temp_value
)
2115 intel_sdvo_connector
->left_margin
= temp_value
;
2116 intel_sdvo_connector
->right_margin
= temp_value
;
2117 temp_value
= intel_sdvo_connector
->max_hscan
-
2118 intel_sdvo_connector
->left_margin
;
2119 cmd
= SDVO_CMD_SET_OVERSCAN_H
;
2121 } else if (intel_sdvo_connector
->right
== property
) {
2122 drm_object_property_set_value(&connector
->base
,
2123 intel_sdvo_connector
->left
, val
);
2124 if (intel_sdvo_connector
->right_margin
== temp_value
)
2127 intel_sdvo_connector
->left_margin
= temp_value
;
2128 intel_sdvo_connector
->right_margin
= temp_value
;
2129 temp_value
= intel_sdvo_connector
->max_hscan
-
2130 intel_sdvo_connector
->left_margin
;
2131 cmd
= SDVO_CMD_SET_OVERSCAN_H
;
2133 } else if (intel_sdvo_connector
->top
== property
) {
2134 drm_object_property_set_value(&connector
->base
,
2135 intel_sdvo_connector
->bottom
, val
);
2136 if (intel_sdvo_connector
->top_margin
== temp_value
)
2139 intel_sdvo_connector
->top_margin
= temp_value
;
2140 intel_sdvo_connector
->bottom_margin
= temp_value
;
2141 temp_value
= intel_sdvo_connector
->max_vscan
-
2142 intel_sdvo_connector
->top_margin
;
2143 cmd
= SDVO_CMD_SET_OVERSCAN_V
;
2145 } else if (intel_sdvo_connector
->bottom
== property
) {
2146 drm_object_property_set_value(&connector
->base
,
2147 intel_sdvo_connector
->top
, val
);
2148 if (intel_sdvo_connector
->bottom_margin
== temp_value
)
2151 intel_sdvo_connector
->top_margin
= temp_value
;
2152 intel_sdvo_connector
->bottom_margin
= temp_value
;
2153 temp_value
= intel_sdvo_connector
->max_vscan
-
2154 intel_sdvo_connector
->top_margin
;
2155 cmd
= SDVO_CMD_SET_OVERSCAN_V
;
2158 CHECK_PROPERTY(hpos
, HPOS
)
2159 CHECK_PROPERTY(vpos
, VPOS
)
2160 CHECK_PROPERTY(saturation
, SATURATION
)
2161 CHECK_PROPERTY(contrast
, CONTRAST
)
2162 CHECK_PROPERTY(hue
, HUE
)
2163 CHECK_PROPERTY(brightness
, BRIGHTNESS
)
2164 CHECK_PROPERTY(sharpness
, SHARPNESS
)
2165 CHECK_PROPERTY(flicker_filter
, FLICKER_FILTER
)
2166 CHECK_PROPERTY(flicker_filter_2d
, FLICKER_FILTER_2D
)
2167 CHECK_PROPERTY(flicker_filter_adaptive
, FLICKER_FILTER_ADAPTIVE
)
2168 CHECK_PROPERTY(tv_chroma_filter
, TV_CHROMA_FILTER
)
2169 CHECK_PROPERTY(tv_luma_filter
, TV_LUMA_FILTER
)
2170 CHECK_PROPERTY(dot_crawl
, DOT_CRAWL
)
2173 return -EINVAL
; /* unknown property */
2176 if (!intel_sdvo_set_value(intel_sdvo
, cmd
, &temp_value
, 2))
2181 if (intel_sdvo
->base
.base
.crtc
)
2182 intel_crtc_restore_mode(intel_sdvo
->base
.base
.crtc
);
2185 #undef CHECK_PROPERTY
2188 static const struct drm_connector_funcs intel_sdvo_connector_funcs
= {
2189 .dpms
= intel_sdvo_dpms
,
2190 .detect
= intel_sdvo_detect
,
2191 .fill_modes
= drm_helper_probe_single_connector_modes
,
2192 .set_property
= intel_sdvo_set_property
,
2193 .destroy
= intel_sdvo_destroy
,
2196 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs
= {
2197 .get_modes
= intel_sdvo_get_modes
,
2198 .mode_valid
= intel_sdvo_mode_valid
,
2199 .best_encoder
= intel_best_encoder
,
2202 static void intel_sdvo_enc_destroy(struct drm_encoder
*encoder
)
2204 struct intel_sdvo
*intel_sdvo
= to_sdvo(to_intel_encoder(encoder
));
2206 if (intel_sdvo
->sdvo_lvds_fixed_mode
!= NULL
)
2207 drm_mode_destroy(encoder
->dev
,
2208 intel_sdvo
->sdvo_lvds_fixed_mode
);
2210 i2c_del_adapter(&intel_sdvo
->ddc
);
2211 intel_encoder_destroy(encoder
);
2214 static const struct drm_encoder_funcs intel_sdvo_enc_funcs
= {
2215 .destroy
= intel_sdvo_enc_destroy
,
2219 intel_sdvo_guess_ddc_bus(struct intel_sdvo
*sdvo
)
2222 unsigned int num_bits
;
2224 /* Make a mask of outputs less than or equal to our own priority in the
2227 switch (sdvo
->controlled_output
) {
2228 case SDVO_OUTPUT_LVDS1
:
2229 mask
|= SDVO_OUTPUT_LVDS1
;
2230 case SDVO_OUTPUT_LVDS0
:
2231 mask
|= SDVO_OUTPUT_LVDS0
;
2232 case SDVO_OUTPUT_TMDS1
:
2233 mask
|= SDVO_OUTPUT_TMDS1
;
2234 case SDVO_OUTPUT_TMDS0
:
2235 mask
|= SDVO_OUTPUT_TMDS0
;
2236 case SDVO_OUTPUT_RGB1
:
2237 mask
|= SDVO_OUTPUT_RGB1
;
2238 case SDVO_OUTPUT_RGB0
:
2239 mask
|= SDVO_OUTPUT_RGB0
;
2243 /* Count bits to find what number we are in the priority list. */
2244 mask
&= sdvo
->caps
.output_flags
;
2245 num_bits
= hweight16(mask
);
2246 /* If more than 3 outputs, default to DDC bus 3 for now. */
2250 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2251 sdvo
->ddc_bus
= 1 << num_bits
;
2255 * Choose the appropriate DDC bus for control bus switch command for this
2256 * SDVO output based on the controlled output.
2258 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2259 * outputs, then LVDS outputs.
2262 intel_sdvo_select_ddc_bus(struct drm_i915_private
*dev_priv
,
2263 struct intel_sdvo
*sdvo
, u32 reg
)
2265 struct sdvo_device_mapping
*mapping
;
2268 mapping
= &(dev_priv
->sdvo_mappings
[0]);
2270 mapping
= &(dev_priv
->sdvo_mappings
[1]);
2272 if (mapping
->initialized
)
2273 sdvo
->ddc_bus
= 1 << ((mapping
->ddc_pin
& 0xf0) >> 4);
2275 intel_sdvo_guess_ddc_bus(sdvo
);
2279 intel_sdvo_select_i2c_bus(struct drm_i915_private
*dev_priv
,
2280 struct intel_sdvo
*sdvo
, u32 reg
)
2282 struct sdvo_device_mapping
*mapping
;
2286 mapping
= &dev_priv
->sdvo_mappings
[0];
2288 mapping
= &dev_priv
->sdvo_mappings
[1];
2290 if (mapping
->initialized
&& intel_gmbus_is_port_valid(mapping
->i2c_pin
))
2291 pin
= mapping
->i2c_pin
;
2293 pin
= GMBUS_PORT_DPB
;
2295 sdvo
->i2c
= intel_gmbus_get_adapter(dev_priv
, pin
);
2297 /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2298 * our code totally fails once we start using gmbus. Hence fall back to
2299 * bit banging for now. */
2300 intel_gmbus_force_bit(sdvo
->i2c
, true);
2303 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2305 intel_sdvo_unselect_i2c_bus(struct intel_sdvo
*sdvo
)
2307 intel_gmbus_force_bit(sdvo
->i2c
, false);
2311 intel_sdvo_is_hdmi_connector(struct intel_sdvo
*intel_sdvo
, int device
)
2313 return intel_sdvo_check_supp_encode(intel_sdvo
);
2317 intel_sdvo_get_slave_addr(struct drm_device
*dev
, struct intel_sdvo
*sdvo
)
2319 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2320 struct sdvo_device_mapping
*my_mapping
, *other_mapping
;
2322 if (sdvo
->is_sdvob
) {
2323 my_mapping
= &dev_priv
->sdvo_mappings
[0];
2324 other_mapping
= &dev_priv
->sdvo_mappings
[1];
2326 my_mapping
= &dev_priv
->sdvo_mappings
[1];
2327 other_mapping
= &dev_priv
->sdvo_mappings
[0];
2330 /* If the BIOS described our SDVO device, take advantage of it. */
2331 if (my_mapping
->slave_addr
)
2332 return my_mapping
->slave_addr
;
2334 /* If the BIOS only described a different SDVO device, use the
2335 * address that it isn't using.
2337 if (other_mapping
->slave_addr
) {
2338 if (other_mapping
->slave_addr
== 0x70)
2344 /* No SDVO device info is found for another DVO port,
2345 * so use mapping assumption we had before BIOS parsing.
2354 intel_sdvo_connector_unregister(struct intel_connector
*intel_connector
)
2356 struct drm_connector
*drm_connector
;
2357 struct intel_sdvo
*sdvo_encoder
;
2359 drm_connector
= &intel_connector
->base
;
2360 sdvo_encoder
= intel_attached_sdvo(&intel_connector
->base
);
2362 sysfs_remove_link(&drm_connector
->kdev
->kobj
,
2363 sdvo_encoder
->ddc
.dev
.kobj
.name
);
2364 intel_connector_unregister(intel_connector
);
2368 intel_sdvo_connector_init(struct intel_sdvo_connector
*connector
,
2369 struct intel_sdvo
*encoder
)
2371 struct drm_connector
*drm_connector
;
2374 drm_connector
= &connector
->base
.base
;
2375 ret
= drm_connector_init(encoder
->base
.base
.dev
,
2377 &intel_sdvo_connector_funcs
,
2378 connector
->base
.base
.connector_type
);
2382 drm_connector_helper_add(drm_connector
,
2383 &intel_sdvo_connector_helper_funcs
);
2385 connector
->base
.base
.interlace_allowed
= 1;
2386 connector
->base
.base
.doublescan_allowed
= 0;
2387 connector
->base
.base
.display_info
.subpixel_order
= SubPixelHorizontalRGB
;
2388 connector
->base
.get_hw_state
= intel_sdvo_connector_get_hw_state
;
2389 connector
->base
.unregister
= intel_sdvo_connector_unregister
;
2391 intel_connector_attach_encoder(&connector
->base
, &encoder
->base
);
2392 ret
= drm_connector_register(drm_connector
);
2396 ret
= sysfs_create_link(&drm_connector
->kdev
->kobj
,
2397 &encoder
->ddc
.dev
.kobj
,
2398 encoder
->ddc
.dev
.kobj
.name
);
2405 drm_connector_unregister(drm_connector
);
2407 drm_connector_cleanup(drm_connector
);
2413 intel_sdvo_add_hdmi_properties(struct intel_sdvo
*intel_sdvo
,
2414 struct intel_sdvo_connector
*connector
)
2416 struct drm_device
*dev
= connector
->base
.base
.dev
;
2418 intel_attach_force_audio_property(&connector
->base
.base
);
2419 if (INTEL_INFO(dev
)->gen
>= 4 && IS_MOBILE(dev
)) {
2420 intel_attach_broadcast_rgb_property(&connector
->base
.base
);
2421 intel_sdvo
->color_range_auto
= true;
2426 intel_sdvo_dvi_init(struct intel_sdvo
*intel_sdvo
, int device
)
2428 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2429 struct drm_connector
*connector
;
2430 struct intel_encoder
*intel_encoder
= to_intel_encoder(encoder
);
2431 struct intel_connector
*intel_connector
;
2432 struct intel_sdvo_connector
*intel_sdvo_connector
;
2434 DRM_DEBUG_KMS("initialising DVI device %d\n", device
);
2436 intel_sdvo_connector
= kzalloc(sizeof(*intel_sdvo_connector
), GFP_KERNEL
);
2437 if (!intel_sdvo_connector
)
2441 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_TMDS0
;
2442 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_TMDS0
;
2443 } else if (device
== 1) {
2444 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_TMDS1
;
2445 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_TMDS1
;
2448 intel_connector
= &intel_sdvo_connector
->base
;
2449 connector
= &intel_connector
->base
;
2450 if (intel_sdvo_get_hotplug_support(intel_sdvo
) &
2451 intel_sdvo_connector
->output_flag
) {
2452 intel_sdvo
->hotplug_active
|= intel_sdvo_connector
->output_flag
;
2453 /* Some SDVO devices have one-shot hotplug interrupts.
2454 * Ensure that they get re-enabled when an interrupt happens.
2456 intel_encoder
->hot_plug
= intel_sdvo_enable_hotplug
;
2457 intel_sdvo_enable_hotplug(intel_encoder
);
2459 intel_connector
->polled
= DRM_CONNECTOR_POLL_CONNECT
| DRM_CONNECTOR_POLL_DISCONNECT
;
2461 encoder
->encoder_type
= DRM_MODE_ENCODER_TMDS
;
2462 connector
->connector_type
= DRM_MODE_CONNECTOR_DVID
;
2464 if (intel_sdvo_is_hdmi_connector(intel_sdvo
, device
)) {
2465 connector
->connector_type
= DRM_MODE_CONNECTOR_HDMIA
;
2466 intel_sdvo
->is_hdmi
= true;
2469 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2470 kfree(intel_sdvo_connector
);
2474 if (intel_sdvo
->is_hdmi
)
2475 intel_sdvo_add_hdmi_properties(intel_sdvo
, intel_sdvo_connector
);
2481 intel_sdvo_tv_init(struct intel_sdvo
*intel_sdvo
, int type
)
2483 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2484 struct drm_connector
*connector
;
2485 struct intel_connector
*intel_connector
;
2486 struct intel_sdvo_connector
*intel_sdvo_connector
;
2488 DRM_DEBUG_KMS("initialising TV type %d\n", type
);
2490 intel_sdvo_connector
= kzalloc(sizeof(*intel_sdvo_connector
), GFP_KERNEL
);
2491 if (!intel_sdvo_connector
)
2494 intel_connector
= &intel_sdvo_connector
->base
;
2495 connector
= &intel_connector
->base
;
2496 encoder
->encoder_type
= DRM_MODE_ENCODER_TVDAC
;
2497 connector
->connector_type
= DRM_MODE_CONNECTOR_SVIDEO
;
2499 intel_sdvo
->controlled_output
|= type
;
2500 intel_sdvo_connector
->output_flag
= type
;
2502 intel_sdvo
->is_tv
= true;
2504 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2505 kfree(intel_sdvo_connector
);
2509 if (!intel_sdvo_tv_create_property(intel_sdvo
, intel_sdvo_connector
, type
))
2512 if (!intel_sdvo_create_enhance_property(intel_sdvo
, intel_sdvo_connector
))
2518 drm_connector_unregister(connector
);
2519 intel_sdvo_destroy(connector
);
2524 intel_sdvo_analog_init(struct intel_sdvo
*intel_sdvo
, int device
)
2526 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2527 struct drm_connector
*connector
;
2528 struct intel_connector
*intel_connector
;
2529 struct intel_sdvo_connector
*intel_sdvo_connector
;
2531 DRM_DEBUG_KMS("initialising analog device %d\n", device
);
2533 intel_sdvo_connector
= kzalloc(sizeof(*intel_sdvo_connector
), GFP_KERNEL
);
2534 if (!intel_sdvo_connector
)
2537 intel_connector
= &intel_sdvo_connector
->base
;
2538 connector
= &intel_connector
->base
;
2539 intel_connector
->polled
= DRM_CONNECTOR_POLL_CONNECT
;
2540 encoder
->encoder_type
= DRM_MODE_ENCODER_DAC
;
2541 connector
->connector_type
= DRM_MODE_CONNECTOR_VGA
;
2544 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_RGB0
;
2545 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_RGB0
;
2546 } else if (device
== 1) {
2547 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_RGB1
;
2548 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_RGB1
;
2551 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2552 kfree(intel_sdvo_connector
);
2560 intel_sdvo_lvds_init(struct intel_sdvo
*intel_sdvo
, int device
)
2562 struct drm_encoder
*encoder
= &intel_sdvo
->base
.base
;
2563 struct drm_connector
*connector
;
2564 struct intel_connector
*intel_connector
;
2565 struct intel_sdvo_connector
*intel_sdvo_connector
;
2567 DRM_DEBUG_KMS("initialising LVDS device %d\n", device
);
2569 intel_sdvo_connector
= kzalloc(sizeof(*intel_sdvo_connector
), GFP_KERNEL
);
2570 if (!intel_sdvo_connector
)
2573 intel_connector
= &intel_sdvo_connector
->base
;
2574 connector
= &intel_connector
->base
;
2575 encoder
->encoder_type
= DRM_MODE_ENCODER_LVDS
;
2576 connector
->connector_type
= DRM_MODE_CONNECTOR_LVDS
;
2579 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_LVDS0
;
2580 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_LVDS0
;
2581 } else if (device
== 1) {
2582 intel_sdvo
->controlled_output
|= SDVO_OUTPUT_LVDS1
;
2583 intel_sdvo_connector
->output_flag
= SDVO_OUTPUT_LVDS1
;
2586 if (intel_sdvo_connector_init(intel_sdvo_connector
, intel_sdvo
) < 0) {
2587 kfree(intel_sdvo_connector
);
2591 if (!intel_sdvo_create_enhance_property(intel_sdvo
, intel_sdvo_connector
))
2597 drm_connector_unregister(connector
);
2598 intel_sdvo_destroy(connector
);
2603 intel_sdvo_output_setup(struct intel_sdvo
*intel_sdvo
, uint16_t flags
)
2605 intel_sdvo
->is_tv
= false;
2606 intel_sdvo
->is_lvds
= false;
2608 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2610 if (flags
& SDVO_OUTPUT_TMDS0
)
2611 if (!intel_sdvo_dvi_init(intel_sdvo
, 0))
2614 if ((flags
& SDVO_TMDS_MASK
) == SDVO_TMDS_MASK
)
2615 if (!intel_sdvo_dvi_init(intel_sdvo
, 1))
2618 /* TV has no XXX1 function block */
2619 if (flags
& SDVO_OUTPUT_SVID0
)
2620 if (!intel_sdvo_tv_init(intel_sdvo
, SDVO_OUTPUT_SVID0
))
2623 if (flags
& SDVO_OUTPUT_CVBS0
)
2624 if (!intel_sdvo_tv_init(intel_sdvo
, SDVO_OUTPUT_CVBS0
))
2627 if (flags
& SDVO_OUTPUT_YPRPB0
)
2628 if (!intel_sdvo_tv_init(intel_sdvo
, SDVO_OUTPUT_YPRPB0
))
2631 if (flags
& SDVO_OUTPUT_RGB0
)
2632 if (!intel_sdvo_analog_init(intel_sdvo
, 0))
2635 if ((flags
& SDVO_RGB_MASK
) == SDVO_RGB_MASK
)
2636 if (!intel_sdvo_analog_init(intel_sdvo
, 1))
2639 if (flags
& SDVO_OUTPUT_LVDS0
)
2640 if (!intel_sdvo_lvds_init(intel_sdvo
, 0))
2643 if ((flags
& SDVO_LVDS_MASK
) == SDVO_LVDS_MASK
)
2644 if (!intel_sdvo_lvds_init(intel_sdvo
, 1))
2647 if ((flags
& SDVO_OUTPUT_MASK
) == 0) {
2648 unsigned char bytes
[2];
2650 intel_sdvo
->controlled_output
= 0;
2651 memcpy(bytes
, &intel_sdvo
->caps
.output_flags
, 2);
2652 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2653 SDVO_NAME(intel_sdvo
),
2654 bytes
[0], bytes
[1]);
2657 intel_sdvo
->base
.crtc_mask
= (1 << 0) | (1 << 1) | (1 << 2);
2662 static void intel_sdvo_output_cleanup(struct intel_sdvo
*intel_sdvo
)
2664 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2665 struct drm_connector
*connector
, *tmp
;
2667 list_for_each_entry_safe(connector
, tmp
,
2668 &dev
->mode_config
.connector_list
, head
) {
2669 if (intel_attached_encoder(connector
) == &intel_sdvo
->base
) {
2670 drm_connector_unregister(connector
);
2671 intel_sdvo_destroy(connector
);
2676 static bool intel_sdvo_tv_create_property(struct intel_sdvo
*intel_sdvo
,
2677 struct intel_sdvo_connector
*intel_sdvo_connector
,
2680 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2681 struct intel_sdvo_tv_format format
;
2682 uint32_t format_map
, i
;
2684 if (!intel_sdvo_set_target_output(intel_sdvo
, type
))
2687 BUILD_BUG_ON(sizeof(format
) != 6);
2688 if (!intel_sdvo_get_value(intel_sdvo
,
2689 SDVO_CMD_GET_SUPPORTED_TV_FORMATS
,
2690 &format
, sizeof(format
)))
2693 memcpy(&format_map
, &format
, min(sizeof(format_map
), sizeof(format
)));
2695 if (format_map
== 0)
2698 intel_sdvo_connector
->format_supported_num
= 0;
2699 for (i
= 0 ; i
< TV_FORMAT_NUM
; i
++)
2700 if (format_map
& (1 << i
))
2701 intel_sdvo_connector
->tv_format_supported
[intel_sdvo_connector
->format_supported_num
++] = i
;
2704 intel_sdvo_connector
->tv_format
=
2705 drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
2706 "mode", intel_sdvo_connector
->format_supported_num
);
2707 if (!intel_sdvo_connector
->tv_format
)
2710 for (i
= 0; i
< intel_sdvo_connector
->format_supported_num
; i
++)
2711 drm_property_add_enum(
2712 intel_sdvo_connector
->tv_format
, i
,
2713 i
, tv_format_names
[intel_sdvo_connector
->tv_format_supported
[i
]]);
2715 intel_sdvo
->tv_format_index
= intel_sdvo_connector
->tv_format_supported
[0];
2716 drm_object_attach_property(&intel_sdvo_connector
->base
.base
.base
,
2717 intel_sdvo_connector
->tv_format
, 0);
2722 #define ENHANCEMENT(name, NAME) do { \
2723 if (enhancements.name) { \
2724 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2725 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2727 intel_sdvo_connector->max_##name = data_value[0]; \
2728 intel_sdvo_connector->cur_##name = response; \
2729 intel_sdvo_connector->name = \
2730 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2731 if (!intel_sdvo_connector->name) return false; \
2732 drm_object_attach_property(&connector->base, \
2733 intel_sdvo_connector->name, \
2734 intel_sdvo_connector->cur_##name); \
2735 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2736 data_value[0], data_value[1], response); \
2741 intel_sdvo_create_enhance_property_tv(struct intel_sdvo
*intel_sdvo
,
2742 struct intel_sdvo_connector
*intel_sdvo_connector
,
2743 struct intel_sdvo_enhancements_reply enhancements
)
2745 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2746 struct drm_connector
*connector
= &intel_sdvo_connector
->base
.base
;
2747 uint16_t response
, data_value
[2];
2749 /* when horizontal overscan is supported, Add the left/right property */
2750 if (enhancements
.overscan_h
) {
2751 if (!intel_sdvo_get_value(intel_sdvo
,
2752 SDVO_CMD_GET_MAX_OVERSCAN_H
,
2756 if (!intel_sdvo_get_value(intel_sdvo
,
2757 SDVO_CMD_GET_OVERSCAN_H
,
2761 intel_sdvo_connector
->max_hscan
= data_value
[0];
2762 intel_sdvo_connector
->left_margin
= data_value
[0] - response
;
2763 intel_sdvo_connector
->right_margin
= intel_sdvo_connector
->left_margin
;
2764 intel_sdvo_connector
->left
=
2765 drm_property_create_range(dev
, 0, "left_margin", 0, data_value
[0]);
2766 if (!intel_sdvo_connector
->left
)
2769 drm_object_attach_property(&connector
->base
,
2770 intel_sdvo_connector
->left
,
2771 intel_sdvo_connector
->left_margin
);
2773 intel_sdvo_connector
->right
=
2774 drm_property_create_range(dev
, 0, "right_margin", 0, data_value
[0]);
2775 if (!intel_sdvo_connector
->right
)
2778 drm_object_attach_property(&connector
->base
,
2779 intel_sdvo_connector
->right
,
2780 intel_sdvo_connector
->right_margin
);
2781 DRM_DEBUG_KMS("h_overscan: max %d, "
2782 "default %d, current %d\n",
2783 data_value
[0], data_value
[1], response
);
2786 if (enhancements
.overscan_v
) {
2787 if (!intel_sdvo_get_value(intel_sdvo
,
2788 SDVO_CMD_GET_MAX_OVERSCAN_V
,
2792 if (!intel_sdvo_get_value(intel_sdvo
,
2793 SDVO_CMD_GET_OVERSCAN_V
,
2797 intel_sdvo_connector
->max_vscan
= data_value
[0];
2798 intel_sdvo_connector
->top_margin
= data_value
[0] - response
;
2799 intel_sdvo_connector
->bottom_margin
= intel_sdvo_connector
->top_margin
;
2800 intel_sdvo_connector
->top
=
2801 drm_property_create_range(dev
, 0,
2802 "top_margin", 0, data_value
[0]);
2803 if (!intel_sdvo_connector
->top
)
2806 drm_object_attach_property(&connector
->base
,
2807 intel_sdvo_connector
->top
,
2808 intel_sdvo_connector
->top_margin
);
2810 intel_sdvo_connector
->bottom
=
2811 drm_property_create_range(dev
, 0,
2812 "bottom_margin", 0, data_value
[0]);
2813 if (!intel_sdvo_connector
->bottom
)
2816 drm_object_attach_property(&connector
->base
,
2817 intel_sdvo_connector
->bottom
,
2818 intel_sdvo_connector
->bottom_margin
);
2819 DRM_DEBUG_KMS("v_overscan: max %d, "
2820 "default %d, current %d\n",
2821 data_value
[0], data_value
[1], response
);
2824 ENHANCEMENT(hpos
, HPOS
);
2825 ENHANCEMENT(vpos
, VPOS
);
2826 ENHANCEMENT(saturation
, SATURATION
);
2827 ENHANCEMENT(contrast
, CONTRAST
);
2828 ENHANCEMENT(hue
, HUE
);
2829 ENHANCEMENT(sharpness
, SHARPNESS
);
2830 ENHANCEMENT(brightness
, BRIGHTNESS
);
2831 ENHANCEMENT(flicker_filter
, FLICKER_FILTER
);
2832 ENHANCEMENT(flicker_filter_adaptive
, FLICKER_FILTER_ADAPTIVE
);
2833 ENHANCEMENT(flicker_filter_2d
, FLICKER_FILTER_2D
);
2834 ENHANCEMENT(tv_chroma_filter
, TV_CHROMA_FILTER
);
2835 ENHANCEMENT(tv_luma_filter
, TV_LUMA_FILTER
);
2837 if (enhancements
.dot_crawl
) {
2838 if (!intel_sdvo_get_value(intel_sdvo
, SDVO_CMD_GET_DOT_CRAWL
, &response
, 2))
2841 intel_sdvo_connector
->max_dot_crawl
= 1;
2842 intel_sdvo_connector
->cur_dot_crawl
= response
& 0x1;
2843 intel_sdvo_connector
->dot_crawl
=
2844 drm_property_create_range(dev
, 0, "dot_crawl", 0, 1);
2845 if (!intel_sdvo_connector
->dot_crawl
)
2848 drm_object_attach_property(&connector
->base
,
2849 intel_sdvo_connector
->dot_crawl
,
2850 intel_sdvo_connector
->cur_dot_crawl
);
2851 DRM_DEBUG_KMS("dot crawl: current %d\n", response
);
2858 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo
*intel_sdvo
,
2859 struct intel_sdvo_connector
*intel_sdvo_connector
,
2860 struct intel_sdvo_enhancements_reply enhancements
)
2862 struct drm_device
*dev
= intel_sdvo
->base
.base
.dev
;
2863 struct drm_connector
*connector
= &intel_sdvo_connector
->base
.base
;
2864 uint16_t response
, data_value
[2];
2866 ENHANCEMENT(brightness
, BRIGHTNESS
);
2872 static bool intel_sdvo_create_enhance_property(struct intel_sdvo
*intel_sdvo
,
2873 struct intel_sdvo_connector
*intel_sdvo_connector
)
2876 struct intel_sdvo_enhancements_reply reply
;
2880 BUILD_BUG_ON(sizeof(enhancements
) != 2);
2882 enhancements
.response
= 0;
2883 intel_sdvo_get_value(intel_sdvo
,
2884 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS
,
2885 &enhancements
, sizeof(enhancements
));
2886 if (enhancements
.response
== 0) {
2887 DRM_DEBUG_KMS("No enhancement is supported\n");
2891 if (IS_TV(intel_sdvo_connector
))
2892 return intel_sdvo_create_enhance_property_tv(intel_sdvo
, intel_sdvo_connector
, enhancements
.reply
);
2893 else if (IS_LVDS(intel_sdvo_connector
))
2894 return intel_sdvo_create_enhance_property_lvds(intel_sdvo
, intel_sdvo_connector
, enhancements
.reply
);
2899 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter
*adapter
,
2900 struct i2c_msg
*msgs
,
2903 struct intel_sdvo
*sdvo
= adapter
->algo_data
;
2905 if (!intel_sdvo_set_control_bus_switch(sdvo
, sdvo
->ddc_bus
))
2908 return sdvo
->i2c
->algo
->master_xfer(sdvo
->i2c
, msgs
, num
);
2911 static u32
intel_sdvo_ddc_proxy_func(struct i2c_adapter
*adapter
)
2913 struct intel_sdvo
*sdvo
= adapter
->algo_data
;
2914 return sdvo
->i2c
->algo
->functionality(sdvo
->i2c
);
2917 static const struct i2c_algorithm intel_sdvo_ddc_proxy
= {
2918 .master_xfer
= intel_sdvo_ddc_proxy_xfer
,
2919 .functionality
= intel_sdvo_ddc_proxy_func
2923 intel_sdvo_init_ddc_proxy(struct intel_sdvo
*sdvo
,
2924 struct drm_device
*dev
)
2926 sdvo
->ddc
.owner
= THIS_MODULE
;
2927 sdvo
->ddc
.class = I2C_CLASS_DDC
;
2928 snprintf(sdvo
->ddc
.name
, I2C_NAME_SIZE
, "SDVO DDC proxy");
2929 sdvo
->ddc
.dev
.parent
= &dev
->pdev
->dev
;
2930 sdvo
->ddc
.algo_data
= sdvo
;
2931 sdvo
->ddc
.algo
= &intel_sdvo_ddc_proxy
;
2933 return i2c_add_adapter(&sdvo
->ddc
) == 0;
2936 bool intel_sdvo_init(struct drm_device
*dev
, uint32_t sdvo_reg
, bool is_sdvob
)
2938 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2939 struct intel_encoder
*intel_encoder
;
2940 struct intel_sdvo
*intel_sdvo
;
2942 intel_sdvo
= kzalloc(sizeof(*intel_sdvo
), GFP_KERNEL
);
2946 intel_sdvo
->sdvo_reg
= sdvo_reg
;
2947 intel_sdvo
->is_sdvob
= is_sdvob
;
2948 intel_sdvo
->slave_addr
= intel_sdvo_get_slave_addr(dev
, intel_sdvo
) >> 1;
2949 intel_sdvo_select_i2c_bus(dev_priv
, intel_sdvo
, sdvo_reg
);
2950 if (!intel_sdvo_init_ddc_proxy(intel_sdvo
, dev
))
2953 /* encoder type will be decided later */
2954 intel_encoder
= &intel_sdvo
->base
;
2955 intel_encoder
->type
= INTEL_OUTPUT_SDVO
;
2956 drm_encoder_init(dev
, &intel_encoder
->base
, &intel_sdvo_enc_funcs
, 0);
2958 /* Read the regs to test if we can talk to the device */
2959 for (i
= 0; i
< 0x40; i
++) {
2962 if (!intel_sdvo_read_byte(intel_sdvo
, i
, &byte
)) {
2963 DRM_DEBUG_KMS("No SDVO device found on %s\n",
2964 SDVO_NAME(intel_sdvo
));
2969 intel_encoder
->compute_config
= intel_sdvo_compute_config
;
2970 intel_encoder
->disable
= intel_disable_sdvo
;
2971 intel_encoder
->pre_enable
= intel_sdvo_pre_enable
;
2972 intel_encoder
->enable
= intel_enable_sdvo
;
2973 intel_encoder
->get_hw_state
= intel_sdvo_get_hw_state
;
2974 intel_encoder
->get_config
= intel_sdvo_get_config
;
2976 /* In default case sdvo lvds is false */
2977 if (!intel_sdvo_get_capabilities(intel_sdvo
, &intel_sdvo
->caps
))
2980 if (intel_sdvo_output_setup(intel_sdvo
,
2981 intel_sdvo
->caps
.output_flags
) != true) {
2982 DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2983 SDVO_NAME(intel_sdvo
));
2984 /* Output_setup can leave behind connectors! */
2988 /* Only enable the hotplug irq if we need it, to work around noisy
2991 if (intel_sdvo
->hotplug_active
) {
2992 intel_encoder
->hpd_pin
=
2993 intel_sdvo
->is_sdvob
? HPD_SDVO_B
: HPD_SDVO_C
;
2997 * Cloning SDVO with anything is often impossible, since the SDVO
2998 * encoder can request a special input timing mode. And even if that's
2999 * not the case we have evidence that cloning a plain unscaled mode with
3000 * VGA doesn't really work. Furthermore the cloning flags are way too
3001 * simplistic anyway to express such constraints, so just give up on
3002 * cloning for SDVO encoders.
3004 intel_sdvo
->base
.cloneable
= 0;
3006 intel_sdvo_select_ddc_bus(dev_priv
, intel_sdvo
, sdvo_reg
);
3008 /* Set the input timing to the screen. Assume always input 0. */
3009 if (!intel_sdvo_set_target_input(intel_sdvo
))
3012 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo
,
3013 &intel_sdvo
->pixel_clock_min
,
3014 &intel_sdvo
->pixel_clock_max
))
3017 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
3018 "clock range %dMHz - %dMHz, "
3019 "input 1: %c, input 2: %c, "
3020 "output 1: %c, output 2: %c\n",
3021 SDVO_NAME(intel_sdvo
),
3022 intel_sdvo
->caps
.vendor_id
, intel_sdvo
->caps
.device_id
,
3023 intel_sdvo
->caps
.device_rev_id
,
3024 intel_sdvo
->pixel_clock_min
/ 1000,
3025 intel_sdvo
->pixel_clock_max
/ 1000,
3026 (intel_sdvo
->caps
.sdvo_inputs_mask
& 0x1) ? 'Y' : 'N',
3027 (intel_sdvo
->caps
.sdvo_inputs_mask
& 0x2) ? 'Y' : 'N',
3028 /* check currently supported outputs */
3029 intel_sdvo
->caps
.output_flags
&
3030 (SDVO_OUTPUT_TMDS0
| SDVO_OUTPUT_RGB0
) ? 'Y' : 'N',
3031 intel_sdvo
->caps
.output_flags
&
3032 (SDVO_OUTPUT_TMDS1
| SDVO_OUTPUT_RGB1
) ? 'Y' : 'N');
3036 intel_sdvo_output_cleanup(intel_sdvo
);
3039 drm_encoder_cleanup(&intel_encoder
->base
);
3040 i2c_del_adapter(&intel_sdvo
->ddc
);
3042 intel_sdvo_unselect_i2c_bus(intel_sdvo
);