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>
29 #include <linux/delay.h>
30 #include <linux/export.h>
31 #include <linux/i2c.h>
32 #include <linux/slab.h>
34 #include <drm/display/drm_hdmi_helper.h>
35 #include <drm/drm_atomic_helper.h>
36 #include <drm/drm_crtc.h>
37 #include <drm/drm_edid.h>
41 #include "intel_atomic.h"
42 #include "intel_audio.h"
43 #include "intel_connector.h"
44 #include "intel_crtc.h"
46 #include "intel_display_types.h"
47 #include "intel_fdi.h"
48 #include "intel_fifo_underrun.h"
49 #include "intel_gmbus.h"
50 #include "intel_hdmi.h"
51 #include "intel_hotplug.h"
52 #include "intel_panel.h"
53 #include "intel_sdvo.h"
54 #include "intel_sdvo_regs.h"
56 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
57 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
58 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
59 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
61 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK | SDVO_TV_MASK)
63 #define IS_TV(c) ((c)->output_flag & SDVO_TV_MASK)
64 #define IS_TMDS(c) ((c)->output_flag & SDVO_TMDS_MASK)
65 #define IS_LVDS(c) ((c)->output_flag & SDVO_LVDS_MASK)
66 #define IS_TV_OR_LVDS(c) ((c)->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
67 #define IS_DIGITAL(c) ((c)->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
69 #define HAS_DDC(c) ((c)->output_flag & (SDVO_RGB_MASK | SDVO_TMDS_MASK | \
72 static const char * const tv_format_names[] = {
73 "NTSC_M" , "NTSC_J" , "NTSC_443",
74 "PAL_B" , "PAL_D" , "PAL_G" ,
75 "PAL_H" , "PAL_I" , "PAL_M" ,
76 "PAL_N" , "PAL_NC" , "PAL_60" ,
77 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
78 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
82 #define TV_FORMAT_NUM ARRAY_SIZE(tv_format_names)
86 struct intel_sdvo_ddc {
87 struct i2c_adapter ddc;
88 struct intel_sdvo *sdvo;
93 struct intel_encoder base;
95 struct i2c_adapter *i2c;
98 struct intel_sdvo_ddc ddc[3];
100 /* Register for the SDVO device: SDVOB or SDVOC */
104 * Capabilities of the SDVO device returned by
105 * intel_sdvo_get_capabilities()
107 struct intel_sdvo_caps caps;
111 /* Pixel clock limitations reported by the SDVO device, in kHz */
112 int pixel_clock_min, pixel_clock_max;
115 * Hotplug activation bits for this device
120 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
125 struct intel_sdvo_connector {
126 struct intel_connector base;
128 /* Mark the type of connector */
131 /* This contains all current supported TV format */
132 u8 tv_format_supported[TV_FORMAT_NUM];
133 int format_supported_num;
134 struct drm_property *tv_format;
136 /* add the property for the SDVO-TV */
137 struct drm_property *left;
138 struct drm_property *right;
139 struct drm_property *top;
140 struct drm_property *bottom;
141 struct drm_property *hpos;
142 struct drm_property *vpos;
143 struct drm_property *contrast;
144 struct drm_property *saturation;
145 struct drm_property *hue;
146 struct drm_property *sharpness;
147 struct drm_property *flicker_filter;
148 struct drm_property *flicker_filter_adaptive;
149 struct drm_property *flicker_filter_2d;
150 struct drm_property *tv_chroma_filter;
151 struct drm_property *tv_luma_filter;
152 struct drm_property *dot_crawl;
154 /* add the property for the SDVO-TV/LVDS */
155 struct drm_property *brightness;
157 /* this is to get the range of margin.*/
158 u32 max_hscan, max_vscan;
161 * This is set if we treat the device as HDMI, instead of DVI.
166 struct intel_sdvo_connector_state {
167 /* base.base: tv.saturation/contrast/hue/brightness */
168 struct intel_digital_connector_state base;
171 unsigned overscan_h, overscan_v, hpos, vpos, sharpness;
172 unsigned flicker_filter, flicker_filter_2d, flicker_filter_adaptive;
173 unsigned chroma_filter, luma_filter, dot_crawl;
177 static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder)
179 return container_of(encoder, struct intel_sdvo, base);
182 static struct intel_sdvo *intel_attached_sdvo(struct intel_connector *connector)
184 return to_sdvo(intel_attached_encoder(connector));
187 static struct intel_sdvo_connector *
188 to_intel_sdvo_connector(struct drm_connector *connector)
190 return container_of(connector, struct intel_sdvo_connector, base.base);
193 #define to_intel_sdvo_connector_state(conn_state) \
194 container_of((conn_state), struct intel_sdvo_connector_state, base.base)
197 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo);
199 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
200 struct intel_sdvo_connector *intel_sdvo_connector,
203 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
204 struct intel_sdvo_connector *intel_sdvo_connector);
207 * Writes the SDVOB or SDVOC with the given value, but always writes both
208 * SDVOB and SDVOC to work around apparent hardware issues (according to
209 * comments in the BIOS).
211 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
213 struct drm_device *dev = intel_sdvo->base.base.dev;
214 struct drm_i915_private *dev_priv = to_i915(dev);
215 u32 bval = val, cval = val;
218 if (HAS_PCH_SPLIT(dev_priv)) {
219 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val);
220 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg);
222 * HW workaround, need to write this twice for issue
223 * that may result in first write getting masked.
225 if (HAS_PCH_IBX(dev_priv)) {
226 intel_de_write(dev_priv, intel_sdvo->sdvo_reg, val);
227 intel_de_posting_read(dev_priv, intel_sdvo->sdvo_reg);
232 if (intel_sdvo->base.port == PORT_B)
233 cval = intel_de_read(dev_priv, GEN3_SDVOC);
235 bval = intel_de_read(dev_priv, GEN3_SDVOB);
238 * Write the registers twice for luck. Sometimes,
239 * writing them only once doesn't appear to 'stick'.
240 * The BIOS does this too. Yay, magic
242 for (i = 0; i < 2; i++) {
243 intel_de_write(dev_priv, GEN3_SDVOB, bval);
244 intel_de_posting_read(dev_priv, GEN3_SDVOB);
246 intel_de_write(dev_priv, GEN3_SDVOC, cval);
247 intel_de_posting_read(dev_priv, GEN3_SDVOC);
251 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
253 struct i2c_msg msgs[] = {
255 .addr = intel_sdvo->slave_addr,
261 .addr = intel_sdvo->slave_addr,
269 if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
272 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
276 #define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ }
278 /** Mapping of command numbers to names, for debug output */
279 static const struct {
282 } __packed sdvo_cmd_names[] = {
283 SDVO_CMD_NAME_ENTRY(RESET),
284 SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS),
285 SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV),
286 SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS),
287 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS),
288 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS),
289 SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP),
290 SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP),
291 SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS),
292 SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT),
293 SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG),
294 SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG),
295 SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE),
296 SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT),
297 SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT),
298 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1),
299 SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2),
300 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1),
301 SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2),
302 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1),
303 SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2),
304 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1),
305 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2),
306 SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING),
307 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1),
308 SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2),
309 SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE),
310 SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE),
311 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS),
312 SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT),
313 SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT),
314 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS),
315 SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT),
316 SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT),
317 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES),
318 SDVO_CMD_NAME_ENTRY(GET_POWER_STATE),
319 SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE),
320 SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE),
321 SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH),
322 SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT),
323 SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT),
324 SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS),
326 /* Add the op code for SDVO enhancements */
327 SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS),
328 SDVO_CMD_NAME_ENTRY(GET_HPOS),
329 SDVO_CMD_NAME_ENTRY(SET_HPOS),
330 SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS),
331 SDVO_CMD_NAME_ENTRY(GET_VPOS),
332 SDVO_CMD_NAME_ENTRY(SET_VPOS),
333 SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION),
334 SDVO_CMD_NAME_ENTRY(GET_SATURATION),
335 SDVO_CMD_NAME_ENTRY(SET_SATURATION),
336 SDVO_CMD_NAME_ENTRY(GET_MAX_HUE),
337 SDVO_CMD_NAME_ENTRY(GET_HUE),
338 SDVO_CMD_NAME_ENTRY(SET_HUE),
339 SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST),
340 SDVO_CMD_NAME_ENTRY(GET_CONTRAST),
341 SDVO_CMD_NAME_ENTRY(SET_CONTRAST),
342 SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS),
343 SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS),
344 SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS),
345 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H),
346 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H),
347 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H),
348 SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V),
349 SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V),
350 SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V),
351 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER),
352 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER),
353 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER),
354 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE),
355 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE),
356 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE),
357 SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D),
358 SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D),
359 SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D),
360 SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS),
361 SDVO_CMD_NAME_ENTRY(GET_SHARPNESS),
362 SDVO_CMD_NAME_ENTRY(SET_SHARPNESS),
363 SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL),
364 SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL),
365 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER),
366 SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER),
367 SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER),
368 SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER),
369 SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER),
370 SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER),
373 SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE),
374 SDVO_CMD_NAME_ENTRY(GET_ENCODE),
375 SDVO_CMD_NAME_ENTRY(SET_ENCODE),
376 SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI),
377 SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI),
378 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP),
379 SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY),
380 SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY),
381 SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER),
382 SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT),
383 SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT),
384 SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX),
385 SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX),
386 SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO),
387 SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT),
388 SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT),
389 SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE),
390 SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE),
391 SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA),
392 SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA),
395 #undef SDVO_CMD_NAME_ENTRY
397 static const char *sdvo_cmd_name(u8 cmd)
401 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
402 if (cmd == sdvo_cmd_names[i].cmd)
403 return sdvo_cmd_names[i].name;
409 #define SDVO_NAME(svdo) ((svdo)->base.port == PORT_B ? "SDVOB" : "SDVOC")
411 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
412 const void *args, int args_len)
414 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
415 const char *cmd_name;
419 #define BUF_PRINT(args...) \
420 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args)
422 for (i = 0; i < args_len; i++) {
423 BUF_PRINT("%02X ", ((u8 *)args)[i]);
429 cmd_name = sdvo_cmd_name(cmd);
431 BUF_PRINT("(%s)", cmd_name);
433 BUF_PRINT("(%02X)", cmd);
435 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
438 DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer);
441 static const char * const cmd_status_names[] = {
442 [SDVO_CMD_STATUS_POWER_ON] = "Power on",
443 [SDVO_CMD_STATUS_SUCCESS] = "Success",
444 [SDVO_CMD_STATUS_NOTSUPP] = "Not supported",
445 [SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg",
446 [SDVO_CMD_STATUS_PENDING] = "Pending",
447 [SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified",
448 [SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported",
451 static const char *sdvo_cmd_status(u8 status)
453 if (status < ARRAY_SIZE(cmd_status_names))
454 return cmd_status_names[status];
459 static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
460 const void *args, int args_len,
464 struct i2c_msg *msgs;
467 /* Would be simpler to allocate both in one go ? */
468 buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
472 msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
478 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
480 for (i = 0; i < args_len; i++) {
481 msgs[i].addr = intel_sdvo->slave_addr;
484 msgs[i].buf = buf + 2 *i;
485 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
486 buf[2*i + 1] = ((u8*)args)[i];
488 msgs[i].addr = intel_sdvo->slave_addr;
491 msgs[i].buf = buf + 2*i;
492 buf[2*i + 0] = SDVO_I2C_OPCODE;
495 /* the following two are to read the response */
496 status = SDVO_I2C_CMD_STATUS;
497 msgs[i+1].addr = intel_sdvo->slave_addr;
500 msgs[i+1].buf = &status;
502 msgs[i+2].addr = intel_sdvo->slave_addr;
503 msgs[i+2].flags = I2C_M_RD;
505 msgs[i+2].buf = &status;
508 ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
510 ret = __i2c_transfer(intel_sdvo->i2c, msgs, i+3);
512 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
517 /* failure in I2C transfer */
518 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
528 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
529 const void *args, int args_len)
531 return __intel_sdvo_write_cmd(intel_sdvo, cmd, args, args_len, true);
534 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
535 void *response, int response_len)
537 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
538 const char *cmd_status;
539 u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
547 * The documentation states that all commands will be
548 * processed within 15µs, and that we need only poll
549 * the status byte a maximum of 3 times in order for the
550 * command to be complete.
552 * Check 5 times in case the hardware failed to read the docs.
554 * Also beware that the first response by many devices is to
555 * reply PENDING and stall for time. TVs are notorious for
556 * requiring longer than specified to complete their replies.
557 * Originally (in the DDX long ago), the delay was only ever 15ms
558 * with an additional delay of 30ms applied for TVs added later after
559 * many experiments. To accommodate both sets of delays, we do a
560 * sequence of slow checks if the device is falling behind and fails
561 * to reply within 5*15µs.
563 if (!intel_sdvo_read_byte(intel_sdvo,
568 while ((status == SDVO_CMD_STATUS_PENDING ||
569 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) {
575 if (!intel_sdvo_read_byte(intel_sdvo,
581 #define BUF_PRINT(args...) \
582 pos += snprintf(buffer + pos, max_t(int, sizeof(buffer) - pos, 0), args)
584 cmd_status = sdvo_cmd_status(status);
586 BUF_PRINT("(%s)", cmd_status);
588 BUF_PRINT("(??? %d)", status);
590 if (status != SDVO_CMD_STATUS_SUCCESS)
593 /* Read the command response */
594 for (i = 0; i < response_len; i++) {
595 if (!intel_sdvo_read_byte(intel_sdvo,
596 SDVO_I2C_RETURN_0 + i,
597 &((u8 *)response)[i]))
599 BUF_PRINT(" %02X", ((u8 *)response)[i]);
602 drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
605 DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer);
609 DRM_DEBUG_KMS("%s: R: ... failed %s\n",
610 SDVO_NAME(intel_sdvo), buffer);
614 static int intel_sdvo_get_pixel_multiplier(const struct drm_display_mode *adjusted_mode)
616 if (adjusted_mode->crtc_clock >= 100000)
618 else if (adjusted_mode->crtc_clock >= 50000)
624 static bool __intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
627 /* This must be the immediately preceding write before the i2c xfer */
628 return __intel_sdvo_write_cmd(intel_sdvo,
629 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
633 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
635 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
638 return intel_sdvo_read_response(intel_sdvo, NULL, 0);
642 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
644 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
647 return intel_sdvo_read_response(intel_sdvo, value, len);
650 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
652 struct intel_sdvo_set_target_input_args targets = {};
653 return intel_sdvo_set_value(intel_sdvo,
654 SDVO_CMD_SET_TARGET_INPUT,
655 &targets, sizeof(targets));
659 * Return whether each input is trained.
661 * This function is making an assumption about the layout of the response,
662 * which should be checked against the docs.
664 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
666 struct intel_sdvo_get_trained_inputs_response response;
668 BUILD_BUG_ON(sizeof(response) != 1);
669 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
670 &response, sizeof(response)))
673 *input_1 = response.input0_trained;
674 *input_2 = response.input1_trained;
678 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
681 return intel_sdvo_set_value(intel_sdvo,
682 SDVO_CMD_SET_ACTIVE_OUTPUTS,
683 &outputs, sizeof(outputs));
686 static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
689 return intel_sdvo_get_value(intel_sdvo,
690 SDVO_CMD_GET_ACTIVE_OUTPUTS,
691 outputs, sizeof(*outputs));
694 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
697 u8 state = SDVO_ENCODER_STATE_ON;
700 case DRM_MODE_DPMS_ON:
701 state = SDVO_ENCODER_STATE_ON;
703 case DRM_MODE_DPMS_STANDBY:
704 state = SDVO_ENCODER_STATE_STANDBY;
706 case DRM_MODE_DPMS_SUSPEND:
707 state = SDVO_ENCODER_STATE_SUSPEND;
709 case DRM_MODE_DPMS_OFF:
710 state = SDVO_ENCODER_STATE_OFF;
714 return intel_sdvo_set_value(intel_sdvo,
715 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
718 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
722 struct intel_sdvo_pixel_clock_range clocks;
724 BUILD_BUG_ON(sizeof(clocks) != 4);
725 if (!intel_sdvo_get_value(intel_sdvo,
726 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
727 &clocks, sizeof(clocks)))
730 /* Convert the values from units of 10 kHz to kHz. */
731 *clock_min = clocks.min * 10;
732 *clock_max = clocks.max * 10;
736 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
739 return intel_sdvo_set_value(intel_sdvo,
740 SDVO_CMD_SET_TARGET_OUTPUT,
741 &outputs, sizeof(outputs));
744 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
745 struct intel_sdvo_dtd *dtd)
747 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
748 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
751 static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
752 struct intel_sdvo_dtd *dtd)
754 return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
755 intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
758 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
759 struct intel_sdvo_dtd *dtd)
761 return intel_sdvo_set_timing(intel_sdvo,
762 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
765 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
766 struct intel_sdvo_dtd *dtd)
768 return intel_sdvo_set_timing(intel_sdvo,
769 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
772 static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
773 struct intel_sdvo_dtd *dtd)
775 return intel_sdvo_get_timing(intel_sdvo,
776 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
780 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
781 struct intel_sdvo_connector *intel_sdvo_connector,
782 const struct drm_display_mode *mode)
784 struct intel_sdvo_preferred_input_timing_args args;
786 memset(&args, 0, sizeof(args));
787 args.clock = mode->clock / 10;
788 args.width = mode->hdisplay;
789 args.height = mode->vdisplay;
792 if (IS_LVDS(intel_sdvo_connector)) {
793 const struct drm_display_mode *fixed_mode =
794 intel_panel_fixed_mode(&intel_sdvo_connector->base, mode);
796 if (fixed_mode->hdisplay != args.width ||
797 fixed_mode->vdisplay != args.height)
801 return intel_sdvo_set_value(intel_sdvo,
802 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
803 &args, sizeof(args));
806 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
807 struct intel_sdvo_dtd *dtd)
809 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
810 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
811 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
812 &dtd->part1, sizeof(dtd->part1)) &&
813 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
814 &dtd->part2, sizeof(dtd->part2));
817 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
819 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
822 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
823 const struct drm_display_mode *mode)
826 u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
827 u16 h_sync_offset, v_sync_offset;
830 memset(dtd, 0, sizeof(*dtd));
832 width = mode->hdisplay;
833 height = mode->vdisplay;
835 /* do some mode translations */
836 h_blank_len = mode->htotal - mode->hdisplay;
837 h_sync_len = mode->hsync_end - mode->hsync_start;
839 v_blank_len = mode->vtotal - mode->vdisplay;
840 v_sync_len = mode->vsync_end - mode->vsync_start;
842 h_sync_offset = mode->hsync_start - mode->hdisplay;
843 v_sync_offset = mode->vsync_start - mode->vdisplay;
845 mode_clock = mode->clock;
847 dtd->part1.clock = mode_clock;
849 dtd->part1.h_active = width & 0xff;
850 dtd->part1.h_blank = h_blank_len & 0xff;
851 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
852 ((h_blank_len >> 8) & 0xf);
853 dtd->part1.v_active = height & 0xff;
854 dtd->part1.v_blank = v_blank_len & 0xff;
855 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
856 ((v_blank_len >> 8) & 0xf);
858 dtd->part2.h_sync_off = h_sync_offset & 0xff;
859 dtd->part2.h_sync_width = h_sync_len & 0xff;
860 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
862 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
863 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
864 ((v_sync_len & 0x30) >> 4);
866 dtd->part2.dtd_flags = 0x18;
867 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
868 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
869 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
870 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
871 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
872 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
874 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
877 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode,
878 const struct intel_sdvo_dtd *dtd)
880 struct drm_display_mode mode = {};
882 mode.hdisplay = dtd->part1.h_active;
883 mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
884 mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off;
885 mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
886 mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width;
887 mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
888 mode.htotal = mode.hdisplay + dtd->part1.h_blank;
889 mode.htotal += (dtd->part1.h_high & 0xf) << 8;
891 mode.vdisplay = dtd->part1.v_active;
892 mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
893 mode.vsync_start = mode.vdisplay;
894 mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
895 mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
896 mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0;
897 mode.vsync_end = mode.vsync_start +
898 (dtd->part2.v_sync_off_width & 0xf);
899 mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
900 mode.vtotal = mode.vdisplay + dtd->part1.v_blank;
901 mode.vtotal += (dtd->part1.v_high & 0xf) << 8;
903 mode.clock = dtd->part1.clock * 10;
905 if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
906 mode.flags |= DRM_MODE_FLAG_INTERLACE;
907 if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
908 mode.flags |= DRM_MODE_FLAG_PHSYNC;
910 mode.flags |= DRM_MODE_FLAG_NHSYNC;
911 if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
912 mode.flags |= DRM_MODE_FLAG_PVSYNC;
914 mode.flags |= DRM_MODE_FLAG_NVSYNC;
916 drm_mode_set_crtcinfo(&mode, 0);
918 drm_mode_copy(pmode, &mode);
921 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
923 struct intel_sdvo_encode encode;
925 BUILD_BUG_ON(sizeof(encode) != 2);
926 return intel_sdvo_get_value(intel_sdvo,
927 SDVO_CMD_GET_SUPP_ENCODE,
928 &encode, sizeof(encode));
931 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
934 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
937 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
940 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
943 static bool intel_sdvo_set_pixel_replication(struct intel_sdvo *intel_sdvo,
946 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_PIXEL_REPLI,
950 static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo,
953 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_AUDIO_STAT,
957 static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo,
960 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
964 /* Buffer size is 0 based, hooray! However zero means zero. */
972 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
981 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
983 for (i = 0; i <= av_split; i++) {
984 set_buf_index[0] = i; set_buf_index[1] = 0;
985 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
987 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
988 intel_sdvo_read_response(encoder, &buf_size, 1);
991 for (j = 0; j <= buf_size; j += 8) {
992 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
994 intel_sdvo_read_response(encoder, pos, 8);
1001 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
1002 unsigned int if_index, u8 tx_rate,
1003 const u8 *data, unsigned int length)
1005 u8 set_buf_index[2] = { if_index, 0 };
1006 u8 hbuf_size, tmp[8];
1009 if (!intel_sdvo_set_value(intel_sdvo,
1010 SDVO_CMD_SET_HBUF_INDEX,
1014 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1017 DRM_DEBUG_KMS("writing sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1018 if_index, length, hbuf_size);
1020 if (hbuf_size < length)
1023 for (i = 0; i < hbuf_size; i += 8) {
1026 memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
1028 if (!intel_sdvo_set_value(intel_sdvo,
1029 SDVO_CMD_SET_HBUF_DATA,
1034 return intel_sdvo_set_value(intel_sdvo,
1035 SDVO_CMD_SET_HBUF_TXRATE,
1039 static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo,
1040 unsigned int if_index,
1041 u8 *data, unsigned int length)
1043 u8 set_buf_index[2] = { if_index, 0 };
1044 u8 hbuf_size, tx_rate, av_split;
1047 if (!intel_sdvo_get_value(intel_sdvo,
1048 SDVO_CMD_GET_HBUF_AV_SPLIT,
1052 if (av_split < if_index)
1055 if (!intel_sdvo_set_value(intel_sdvo,
1056 SDVO_CMD_SET_HBUF_INDEX,
1060 if (!intel_sdvo_get_value(intel_sdvo,
1061 SDVO_CMD_GET_HBUF_TXRATE,
1065 /* TX_DISABLED doesn't mean disabled for ELD */
1066 if (if_index != SDVO_HBUF_INDEX_ELD && tx_rate == SDVO_HBUF_TX_DISABLED)
1069 if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
1072 DRM_DEBUG_KMS("reading sdvo hbuf: %i, length %u, hbuf_size: %i\n",
1073 if_index, length, hbuf_size);
1075 hbuf_size = min_t(unsigned int, length, hbuf_size);
1077 for (i = 0; i < hbuf_size; i += 8) {
1078 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HBUF_DATA, NULL, 0))
1080 if (!intel_sdvo_read_response(intel_sdvo, &data[i],
1081 min_t(unsigned int, 8, hbuf_size - i)))
1088 static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo,
1089 struct intel_crtc_state *crtc_state,
1090 struct drm_connector_state *conn_state)
1092 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1093 struct hdmi_avi_infoframe *frame = &crtc_state->infoframes.avi.avi;
1094 const struct drm_display_mode *adjusted_mode =
1095 &crtc_state->hw.adjusted_mode;
1098 if (!crtc_state->has_hdmi_sink)
1101 crtc_state->infoframes.enable |=
1102 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1104 ret = drm_hdmi_avi_infoframe_from_display_mode(frame,
1105 conn_state->connector,
1110 drm_hdmi_avi_infoframe_quant_range(frame,
1111 conn_state->connector,
1113 crtc_state->limited_color_range ?
1114 HDMI_QUANTIZATION_RANGE_LIMITED :
1115 HDMI_QUANTIZATION_RANGE_FULL);
1117 ret = hdmi_avi_infoframe_check(frame);
1118 if (drm_WARN_ON(&dev_priv->drm, ret))
1124 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
1125 const struct intel_crtc_state *crtc_state)
1127 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
1128 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1129 const union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1132 if ((crtc_state->infoframes.enable &
1133 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI)) == 0)
1136 if (drm_WARN_ON(&dev_priv->drm,
1137 frame->any.type != HDMI_INFOFRAME_TYPE_AVI))
1140 len = hdmi_infoframe_pack_only(frame, sdvo_data, sizeof(sdvo_data));
1141 if (drm_WARN_ON(&dev_priv->drm, len < 0))
1144 return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1149 static void intel_sdvo_get_avi_infoframe(struct intel_sdvo *intel_sdvo,
1150 struct intel_crtc_state *crtc_state)
1152 u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
1153 union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
1157 if (!crtc_state->has_hdmi_sink)
1160 len = intel_sdvo_read_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
1161 sdvo_data, sizeof(sdvo_data));
1163 DRM_DEBUG_KMS("failed to read AVI infoframe\n");
1165 } else if (len == 0) {
1169 crtc_state->infoframes.enable |=
1170 intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI);
1172 ret = hdmi_infoframe_unpack(frame, sdvo_data, len);
1174 DRM_DEBUG_KMS("Failed to unpack AVI infoframe\n");
1178 if (frame->any.type != HDMI_INFOFRAME_TYPE_AVI)
1179 DRM_DEBUG_KMS("Found the wrong infoframe type 0x%x (expected 0x%02x)\n",
1180 frame->any.type, HDMI_INFOFRAME_TYPE_AVI);
1183 static void intel_sdvo_get_eld(struct intel_sdvo *intel_sdvo,
1184 struct intel_crtc_state *crtc_state)
1186 struct drm_i915_private *i915 = to_i915(intel_sdvo->base.base.dev);
1190 if (!crtc_state->has_audio)
1193 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT, &val, 1))
1196 if ((val & SDVO_AUDIO_ELD_VALID) == 0)
1199 len = intel_sdvo_read_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD,
1200 crtc_state->eld, sizeof(crtc_state->eld));
1202 drm_dbg_kms(&i915->drm, "failed to read ELD\n");
1205 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo,
1206 const struct drm_connector_state *conn_state)
1208 struct intel_sdvo_tv_format format;
1211 format_map = 1 << conn_state->tv.mode;
1212 memset(&format, 0, sizeof(format));
1213 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
1215 BUILD_BUG_ON(sizeof(format) != 6);
1216 return intel_sdvo_set_value(intel_sdvo,
1217 SDVO_CMD_SET_TV_FORMAT,
1218 &format, sizeof(format));
1222 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
1223 struct intel_sdvo_connector *intel_sdvo_connector,
1224 const struct drm_display_mode *mode)
1226 struct intel_sdvo_dtd output_dtd;
1228 if (!intel_sdvo_set_target_output(intel_sdvo,
1229 intel_sdvo_connector->output_flag))
1232 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1233 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1240 * Asks the sdvo controller for the preferred input mode given the output mode.
1241 * Unfortunately we have to set up the full output mode to do that.
1244 intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
1245 struct intel_sdvo_connector *intel_sdvo_connector,
1246 const struct drm_display_mode *mode,
1247 struct drm_display_mode *adjusted_mode)
1249 struct intel_sdvo_dtd input_dtd;
1251 /* Reset the input timing to the screen. Assume always input 0. */
1252 if (!intel_sdvo_set_target_input(intel_sdvo))
1255 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
1256 intel_sdvo_connector,
1260 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
1264 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1265 intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
1270 static int i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config)
1272 struct drm_i915_private *dev_priv = to_i915(pipe_config->uapi.crtc->dev);
1273 unsigned int dotclock = pipe_config->hw.adjusted_mode.crtc_clock;
1274 struct dpll *clock = &pipe_config->dpll;
1277 * SDVO TV has fixed PLL values depend on its clock range,
1278 * this mirrors vbios setting.
1280 if (dotclock >= 100000 && dotclock < 140500) {
1286 } else if (dotclock >= 140500 && dotclock <= 200000) {
1293 drm_dbg_kms(&dev_priv->drm,
1294 "SDVO TV clock out of range: %i\n", dotclock);
1298 pipe_config->clock_set = true;
1303 static bool intel_has_hdmi_sink(struct intel_sdvo_connector *intel_sdvo_connector,
1304 const struct drm_connector_state *conn_state)
1306 struct drm_connector *connector = conn_state->connector;
1308 return intel_sdvo_connector->is_hdmi &&
1309 connector->display_info.is_hdmi &&
1310 READ_ONCE(to_intel_digital_connector_state(conn_state)->force_audio) != HDMI_AUDIO_OFF_DVI;
1313 static bool intel_sdvo_limited_color_range(struct intel_encoder *encoder,
1314 const struct intel_crtc_state *crtc_state,
1315 const struct drm_connector_state *conn_state)
1317 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1319 if ((intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220) == 0)
1322 return intel_hdmi_limited_color_range(crtc_state, conn_state);
1325 static bool intel_sdvo_has_audio(struct intel_encoder *encoder,
1326 const struct intel_crtc_state *crtc_state,
1327 const struct drm_connector_state *conn_state)
1329 struct drm_connector *connector = conn_state->connector;
1330 struct intel_sdvo_connector *intel_sdvo_connector =
1331 to_intel_sdvo_connector(connector);
1332 const struct intel_digital_connector_state *intel_conn_state =
1333 to_intel_digital_connector_state(conn_state);
1335 if (!crtc_state->has_hdmi_sink)
1338 if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
1339 return intel_sdvo_connector->is_hdmi &&
1340 connector->display_info.has_audio;
1342 return intel_conn_state->force_audio == HDMI_AUDIO_ON;
1345 static int intel_sdvo_compute_config(struct intel_encoder *encoder,
1346 struct intel_crtc_state *pipe_config,
1347 struct drm_connector_state *conn_state)
1349 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1350 struct intel_sdvo_connector *intel_sdvo_connector =
1351 to_intel_sdvo_connector(conn_state->connector);
1352 struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
1353 struct drm_display_mode *mode = &pipe_config->hw.mode;
1355 if (HAS_PCH_SPLIT(to_i915(encoder->base.dev))) {
1356 pipe_config->has_pch_encoder = true;
1357 if (!intel_fdi_compute_pipe_bpp(pipe_config))
1361 DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
1362 /* FIXME: Don't increase pipe_bpp */
1363 pipe_config->pipe_bpp = 8*3;
1364 pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB;
1365 pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
1368 * We need to construct preferred input timings based on our
1369 * output timings. To do that, we have to set the output
1370 * timings, even though this isn't really the right place in
1371 * the sequence to do it. Oh well.
1373 if (IS_TV(intel_sdvo_connector)) {
1374 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1375 intel_sdvo_connector,
1379 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1380 intel_sdvo_connector,
1383 pipe_config->sdvo_tv_clock = true;
1384 } else if (IS_LVDS(intel_sdvo_connector)) {
1385 const struct drm_display_mode *fixed_mode =
1386 intel_panel_fixed_mode(&intel_sdvo_connector->base, mode);
1389 ret = intel_panel_compute_config(&intel_sdvo_connector->base,
1394 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1395 intel_sdvo_connector,
1399 (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
1400 intel_sdvo_connector,
1405 if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
1409 * Make the CRTC code factor in the SDVO pixel multiplier. The
1410 * SDVO device will factor out the multiplier during mode_set.
1412 pipe_config->pixel_multiplier =
1413 intel_sdvo_get_pixel_multiplier(adjusted_mode);
1415 pipe_config->has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo_connector, conn_state);
1417 pipe_config->has_audio =
1418 intel_sdvo_has_audio(encoder, pipe_config, conn_state) &&
1419 intel_audio_compute_config(encoder, pipe_config, conn_state);
1421 pipe_config->limited_color_range =
1422 intel_sdvo_limited_color_range(encoder, pipe_config,
1425 /* Clock computation needs to happen after pixel multiplier. */
1426 if (IS_TV(intel_sdvo_connector)) {
1429 ret = i9xx_adjust_sdvo_tv_clock(pipe_config);
1434 if (conn_state->picture_aspect_ratio)
1435 adjusted_mode->picture_aspect_ratio =
1436 conn_state->picture_aspect_ratio;
1438 if (!intel_sdvo_compute_avi_infoframe(intel_sdvo,
1439 pipe_config, conn_state)) {
1440 DRM_DEBUG_KMS("bad AVI infoframe\n");
1447 #define UPDATE_PROPERTY(input, NAME) \
1450 intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_##NAME, &val, sizeof(val)); \
1453 static void intel_sdvo_update_props(struct intel_sdvo *intel_sdvo,
1454 const struct intel_sdvo_connector_state *sdvo_state)
1456 const struct drm_connector_state *conn_state = &sdvo_state->base.base;
1457 struct intel_sdvo_connector *intel_sdvo_conn =
1458 to_intel_sdvo_connector(conn_state->connector);
1461 if (intel_sdvo_conn->left)
1462 UPDATE_PROPERTY(sdvo_state->tv.overscan_h, OVERSCAN_H);
1464 if (intel_sdvo_conn->top)
1465 UPDATE_PROPERTY(sdvo_state->tv.overscan_v, OVERSCAN_V);
1467 if (intel_sdvo_conn->hpos)
1468 UPDATE_PROPERTY(sdvo_state->tv.hpos, HPOS);
1470 if (intel_sdvo_conn->vpos)
1471 UPDATE_PROPERTY(sdvo_state->tv.vpos, VPOS);
1473 if (intel_sdvo_conn->saturation)
1474 UPDATE_PROPERTY(conn_state->tv.saturation, SATURATION);
1476 if (intel_sdvo_conn->contrast)
1477 UPDATE_PROPERTY(conn_state->tv.contrast, CONTRAST);
1479 if (intel_sdvo_conn->hue)
1480 UPDATE_PROPERTY(conn_state->tv.hue, HUE);
1482 if (intel_sdvo_conn->brightness)
1483 UPDATE_PROPERTY(conn_state->tv.brightness, BRIGHTNESS);
1485 if (intel_sdvo_conn->sharpness)
1486 UPDATE_PROPERTY(sdvo_state->tv.sharpness, SHARPNESS);
1488 if (intel_sdvo_conn->flicker_filter)
1489 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter, FLICKER_FILTER);
1491 if (intel_sdvo_conn->flicker_filter_2d)
1492 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_2d, FLICKER_FILTER_2D);
1494 if (intel_sdvo_conn->flicker_filter_adaptive)
1495 UPDATE_PROPERTY(sdvo_state->tv.flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
1497 if (intel_sdvo_conn->tv_chroma_filter)
1498 UPDATE_PROPERTY(sdvo_state->tv.chroma_filter, TV_CHROMA_FILTER);
1500 if (intel_sdvo_conn->tv_luma_filter)
1501 UPDATE_PROPERTY(sdvo_state->tv.luma_filter, TV_LUMA_FILTER);
1503 if (intel_sdvo_conn->dot_crawl)
1504 UPDATE_PROPERTY(sdvo_state->tv.dot_crawl, DOT_CRAWL);
1506 #undef UPDATE_PROPERTY
1509 static void intel_sdvo_pre_enable(struct intel_atomic_state *state,
1510 struct intel_encoder *intel_encoder,
1511 const struct intel_crtc_state *crtc_state,
1512 const struct drm_connector_state *conn_state)
1514 struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
1515 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
1516 const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
1517 const struct intel_sdvo_connector_state *sdvo_state =
1518 to_intel_sdvo_connector_state(conn_state);
1519 struct intel_sdvo_connector *intel_sdvo_connector =
1520 to_intel_sdvo_connector(conn_state->connector);
1521 const struct drm_display_mode *mode = &crtc_state->hw.mode;
1522 struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
1524 struct intel_sdvo_in_out_map in_out;
1525 struct intel_sdvo_dtd input_dtd, output_dtd;
1528 intel_sdvo_update_props(intel_sdvo, sdvo_state);
1531 * First, set the input mapping for the first input to our controlled
1532 * output. This is only correct if we're a single-input device, in
1533 * which case the first input is the output from the appropriate SDVO
1534 * channel on the motherboard. In a two-input device, the first input
1535 * will be SDVOB and the second SDVOC.
1537 in_out.in0 = intel_sdvo_connector->output_flag;
1540 intel_sdvo_set_value(intel_sdvo,
1541 SDVO_CMD_SET_IN_OUT_MAP,
1542 &in_out, sizeof(in_out));
1544 /* Set the output timings to the screen */
1545 if (!intel_sdvo_set_target_output(intel_sdvo,
1546 intel_sdvo_connector->output_flag))
1549 /* lvds has a special fixed output timing. */
1550 if (IS_LVDS(intel_sdvo_connector)) {
1551 const struct drm_display_mode *fixed_mode =
1552 intel_panel_fixed_mode(&intel_sdvo_connector->base, mode);
1554 intel_sdvo_get_dtd_from_mode(&output_dtd, fixed_mode);
1556 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1558 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
1559 drm_info(&dev_priv->drm,
1560 "Setting output timings on %s failed\n",
1561 SDVO_NAME(intel_sdvo));
1563 /* Set the input timing to the screen. Assume always input 0. */
1564 if (!intel_sdvo_set_target_input(intel_sdvo))
1567 if (crtc_state->has_hdmi_sink) {
1568 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1569 intel_sdvo_set_colorimetry(intel_sdvo,
1570 crtc_state->limited_color_range ?
1571 SDVO_COLORIMETRY_RGB220 :
1572 SDVO_COLORIMETRY_RGB256);
1573 intel_sdvo_set_avi_infoframe(intel_sdvo, crtc_state);
1574 intel_sdvo_set_pixel_replication(intel_sdvo,
1575 !!(adjusted_mode->flags &
1576 DRM_MODE_FLAG_DBLCLK));
1578 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1580 if (IS_TV(intel_sdvo_connector) &&
1581 !intel_sdvo_set_tv_format(intel_sdvo, conn_state))
1584 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1586 if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector))
1587 input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
1588 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
1589 drm_info(&dev_priv->drm,
1590 "Setting input timings on %s failed\n",
1591 SDVO_NAME(intel_sdvo));
1593 switch (crtc_state->pixel_multiplier) {
1595 drm_WARN(&dev_priv->drm, 1,
1596 "unknown pixel multiplier specified\n");
1598 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1599 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1600 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1602 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1605 /* Set the SDVO control regs. */
1606 if (DISPLAY_VER(dev_priv) >= 4) {
1607 /* The real mode polarity is set by the SDVO commands, using
1608 * struct intel_sdvo_dtd. */
1609 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1610 if (DISPLAY_VER(dev_priv) < 5)
1611 sdvox |= SDVO_BORDER_ENABLE;
1613 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1614 if (intel_sdvo->base.port == PORT_B)
1615 sdvox &= SDVOB_PRESERVE_MASK;
1617 sdvox &= SDVOC_PRESERVE_MASK;
1618 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1621 if (HAS_PCH_CPT(dev_priv))
1622 sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
1624 sdvox |= SDVO_PIPE_SEL(crtc->pipe);
1626 if (DISPLAY_VER(dev_priv) >= 4) {
1627 /* done in crtc_mode_set as the dpll_md reg must be written early */
1628 } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) ||
1629 IS_G33(dev_priv) || IS_PINEVIEW(dev_priv)) {
1630 /* done in crtc_mode_set as it lives inside the dpll register */
1632 sdvox |= (crtc_state->pixel_multiplier - 1)
1633 << SDVO_PORT_MULTIPLY_SHIFT;
1636 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1637 DISPLAY_VER(dev_priv) < 5)
1638 sdvox |= SDVO_STALL_SELECT;
1639 intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1642 static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
1644 struct intel_sdvo_connector *intel_sdvo_connector =
1645 to_intel_sdvo_connector(&connector->base);
1646 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1647 u16 active_outputs = 0;
1649 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1651 return active_outputs & intel_sdvo_connector->output_flag;
1654 bool intel_sdvo_port_enabled(struct drm_i915_private *dev_priv,
1655 i915_reg_t sdvo_reg, enum pipe *pipe)
1659 val = intel_de_read(dev_priv, sdvo_reg);
1661 /* asserts want to know the pipe even if the port is disabled */
1662 if (HAS_PCH_CPT(dev_priv))
1663 *pipe = (val & SDVO_PIPE_SEL_MASK_CPT) >> SDVO_PIPE_SEL_SHIFT_CPT;
1664 else if (IS_CHERRYVIEW(dev_priv))
1665 *pipe = (val & SDVO_PIPE_SEL_MASK_CHV) >> SDVO_PIPE_SEL_SHIFT_CHV;
1667 *pipe = (val & SDVO_PIPE_SEL_MASK) >> SDVO_PIPE_SEL_SHIFT;
1669 return val & SDVO_ENABLE;
1672 static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
1675 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1676 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1677 u16 active_outputs = 0;
1680 intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
1682 ret = intel_sdvo_port_enabled(dev_priv, intel_sdvo->sdvo_reg, pipe);
1684 return ret || active_outputs;
1687 static void intel_sdvo_get_config(struct intel_encoder *encoder,
1688 struct intel_crtc_state *pipe_config)
1690 struct drm_device *dev = encoder->base.dev;
1691 struct drm_i915_private *dev_priv = to_i915(dev);
1692 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1693 struct intel_sdvo_dtd dtd;
1694 int encoder_pixel_multiplier = 0;
1696 u32 flags = 0, sdvox;
1700 pipe_config->output_types |= BIT(INTEL_OUTPUT_SDVO);
1702 sdvox = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1704 ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
1707 * Some sdvo encoders are not spec compliant and don't
1708 * implement the mandatory get_timings function.
1710 drm_dbg(&dev_priv->drm, "failed to retrieve SDVO DTD\n");
1711 pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
1713 if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
1714 flags |= DRM_MODE_FLAG_PHSYNC;
1716 flags |= DRM_MODE_FLAG_NHSYNC;
1718 if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
1719 flags |= DRM_MODE_FLAG_PVSYNC;
1721 flags |= DRM_MODE_FLAG_NVSYNC;
1724 pipe_config->hw.adjusted_mode.flags |= flags;
1727 * pixel multiplier readout is tricky: Only on i915g/gm it is stored in
1728 * the sdvo port register, on all other platforms it is part of the dpll
1729 * state. Since the general pipe state readout happens before the
1730 * encoder->get_config we so already have a valid pixel multplier on all
1733 if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) {
1734 pipe_config->pixel_multiplier =
1735 ((sdvox & SDVO_PORT_MULTIPLY_MASK)
1736 >> SDVO_PORT_MULTIPLY_SHIFT) + 1;
1739 dotclock = pipe_config->port_clock;
1741 if (pipe_config->pixel_multiplier)
1742 dotclock /= pipe_config->pixel_multiplier;
1744 pipe_config->hw.adjusted_mode.crtc_clock = dotclock;
1746 /* Cross check the port pixel multiplier with the sdvo encoder state. */
1747 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
1750 case SDVO_CLOCK_RATE_MULT_1X:
1751 encoder_pixel_multiplier = 1;
1753 case SDVO_CLOCK_RATE_MULT_2X:
1754 encoder_pixel_multiplier = 2;
1756 case SDVO_CLOCK_RATE_MULT_4X:
1757 encoder_pixel_multiplier = 4;
1763 encoder_pixel_multiplier != pipe_config->pixel_multiplier,
1764 "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
1765 pipe_config->pixel_multiplier, encoder_pixel_multiplier);
1767 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY,
1769 if (val == SDVO_COLORIMETRY_RGB220)
1770 pipe_config->limited_color_range = true;
1773 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_AUDIO_STAT,
1775 if (val & SDVO_AUDIO_PRESENCE_DETECT)
1776 pipe_config->has_audio = true;
1779 if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
1781 if (val == SDVO_ENCODE_HDMI)
1782 pipe_config->has_hdmi_sink = true;
1785 intel_sdvo_get_avi_infoframe(intel_sdvo, pipe_config);
1787 intel_sdvo_get_eld(intel_sdvo, pipe_config);
1790 static void intel_sdvo_disable_audio(struct intel_sdvo *intel_sdvo)
1792 intel_sdvo_set_audio_state(intel_sdvo, 0);
1795 static void intel_sdvo_enable_audio(struct intel_sdvo *intel_sdvo,
1796 const struct intel_crtc_state *crtc_state,
1797 const struct drm_connector_state *conn_state)
1799 const u8 *eld = crtc_state->eld;
1801 intel_sdvo_set_audio_state(intel_sdvo, 0);
1803 intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_ELD,
1804 SDVO_HBUF_TX_DISABLED,
1805 eld, drm_eld_size(eld));
1807 intel_sdvo_set_audio_state(intel_sdvo, SDVO_AUDIO_ELD_VALID |
1808 SDVO_AUDIO_PRESENCE_DETECT);
1811 static void intel_disable_sdvo(struct intel_atomic_state *state,
1812 struct intel_encoder *encoder,
1813 const struct intel_crtc_state *old_crtc_state,
1814 const struct drm_connector_state *conn_state)
1816 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1817 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1818 struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
1821 if (old_crtc_state->has_audio)
1822 intel_sdvo_disable_audio(intel_sdvo);
1824 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1826 intel_sdvo_set_encoder_power_state(intel_sdvo,
1829 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1831 temp &= ~SDVO_ENABLE;
1832 intel_sdvo_write_sdvox(intel_sdvo, temp);
1835 * HW workaround for IBX, we need to move the port
1836 * to transcoder A after disabling it to allow the
1837 * matching DP port to be enabled on transcoder A.
1839 if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) {
1841 * We get CPU/PCH FIFO underruns on the other pipe when
1842 * doing the workaround. Sweep them under the rug.
1844 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1845 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
1847 temp &= ~SDVO_PIPE_SEL_MASK;
1848 temp |= SDVO_ENABLE | SDVO_PIPE_SEL(PIPE_A);
1849 intel_sdvo_write_sdvox(intel_sdvo, temp);
1851 temp &= ~SDVO_ENABLE;
1852 intel_sdvo_write_sdvox(intel_sdvo, temp);
1854 intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
1855 intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1856 intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
1860 static void pch_disable_sdvo(struct intel_atomic_state *state,
1861 struct intel_encoder *encoder,
1862 const struct intel_crtc_state *old_crtc_state,
1863 const struct drm_connector_state *old_conn_state)
1867 static void pch_post_disable_sdvo(struct intel_atomic_state *state,
1868 struct intel_encoder *encoder,
1869 const struct intel_crtc_state *old_crtc_state,
1870 const struct drm_connector_state *old_conn_state)
1872 intel_disable_sdvo(state, encoder, old_crtc_state, old_conn_state);
1875 static void intel_enable_sdvo(struct intel_atomic_state *state,
1876 struct intel_encoder *encoder,
1877 const struct intel_crtc_state *pipe_config,
1878 const struct drm_connector_state *conn_state)
1880 struct drm_device *dev = encoder->base.dev;
1881 struct drm_i915_private *dev_priv = to_i915(dev);
1882 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
1883 struct intel_sdvo_connector *intel_sdvo_connector =
1884 to_intel_sdvo_connector(conn_state->connector);
1885 struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
1887 bool input1, input2;
1891 temp = intel_de_read(dev_priv, intel_sdvo->sdvo_reg);
1892 temp |= SDVO_ENABLE;
1893 intel_sdvo_write_sdvox(intel_sdvo, temp);
1895 for (i = 0; i < 2; i++)
1896 intel_crtc_wait_for_next_vblank(crtc);
1898 success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1900 * Warn if the device reported failure to sync.
1902 * A lot of SDVO devices fail to notify of sync, but it's
1903 * a given it the status is a success, we succeeded.
1905 if (success && !input1) {
1906 drm_dbg_kms(&dev_priv->drm,
1907 "First %s output reported failure to "
1908 "sync\n", SDVO_NAME(intel_sdvo));
1912 intel_sdvo_set_encoder_power_state(intel_sdvo,
1914 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo_connector->output_flag);
1916 if (pipe_config->has_audio)
1917 intel_sdvo_enable_audio(intel_sdvo, pipe_config, conn_state);
1920 static enum drm_mode_status
1921 intel_sdvo_mode_valid(struct drm_connector *connector,
1922 struct drm_display_mode *mode)
1924 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
1925 struct intel_sdvo_connector *intel_sdvo_connector =
1926 to_intel_sdvo_connector(connector);
1927 int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
1928 bool has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo_connector, connector->state);
1929 int clock = mode->clock;
1931 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1932 return MODE_NO_DBLESCAN;
1934 if (clock > max_dotclk)
1935 return MODE_CLOCK_HIGH;
1937 if (mode->flags & DRM_MODE_FLAG_DBLCLK) {
1939 return MODE_CLOCK_LOW;
1943 if (intel_sdvo->pixel_clock_min > clock)
1944 return MODE_CLOCK_LOW;
1946 if (intel_sdvo->pixel_clock_max < clock)
1947 return MODE_CLOCK_HIGH;
1949 if (IS_LVDS(intel_sdvo_connector)) {
1950 enum drm_mode_status status;
1952 status = intel_panel_mode_valid(&intel_sdvo_connector->base, mode);
1953 if (status != MODE_OK)
1960 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1962 BUILD_BUG_ON(sizeof(*caps) != 8);
1963 if (!intel_sdvo_get_value(intel_sdvo,
1964 SDVO_CMD_GET_DEVICE_CAPS,
1965 caps, sizeof(*caps)))
1968 DRM_DEBUG_KMS("SDVO capabilities:\n"
1971 " device_rev_id: %d\n"
1972 " sdvo_version_major: %d\n"
1973 " sdvo_version_minor: %d\n"
1974 " sdvo_num_inputs: %d\n"
1975 " smooth_scaling: %d\n"
1976 " sharp_scaling: %d\n"
1978 " down_scaling: %d\n"
1979 " stall_support: %d\n"
1980 " output_flags: %d\n",
1983 caps->device_rev_id,
1984 caps->sdvo_version_major,
1985 caps->sdvo_version_minor,
1986 caps->sdvo_num_inputs,
1987 caps->smooth_scaling,
1988 caps->sharp_scaling,
1991 caps->stall_support,
1992 caps->output_flags);
1997 static u8 intel_sdvo_get_colorimetry_cap(struct intel_sdvo *intel_sdvo)
2001 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_COLORIMETRY_CAP,
2003 return SDVO_COLORIMETRY_RGB256;
2008 static u16 intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
2010 struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
2013 if (!I915_HAS_HOTPLUG(dev_priv))
2017 * HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
2020 if (IS_I945G(dev_priv) || IS_I945GM(dev_priv))
2023 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
2024 &hotplug, sizeof(hotplug)))
2030 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
2032 struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
2034 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
2035 &intel_sdvo->hotplug_active, 2);
2038 static enum intel_hotplug_state
2039 intel_sdvo_hotplug(struct intel_encoder *encoder,
2040 struct intel_connector *connector)
2042 intel_sdvo_enable_hotplug(encoder);
2044 return intel_encoder_hotplug(encoder, connector);
2047 static const struct drm_edid *
2048 intel_sdvo_get_edid(struct drm_connector *connector)
2050 struct i2c_adapter *ddc = connector->ddc;
2055 return drm_edid_read_ddc(connector, ddc);
2058 /* Mac mini hack -- use the same DDC as the analog connector */
2059 static const struct drm_edid *
2060 intel_sdvo_get_analog_edid(struct drm_connector *connector)
2062 struct drm_i915_private *i915 = to_i915(connector->dev);
2063 struct i2c_adapter *ddc;
2065 ddc = intel_gmbus_get_adapter(i915, i915->display.vbt.crt_ddc_pin);
2069 return drm_edid_read_ddc(connector, ddc);
2072 static enum drm_connector_status
2073 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
2075 enum drm_connector_status status;
2076 const struct drm_edid *drm_edid;
2078 drm_edid = intel_sdvo_get_edid(connector);
2081 * When there is no edid and no monitor is connected with VGA
2082 * port, try to use the CRT ddc to read the EDID for DVI-connector.
2085 drm_edid = intel_sdvo_get_analog_edid(connector);
2087 status = connector_status_unknown;
2089 /* DDC bus is shared, match EDID to connector type */
2090 if (drm_edid_is_digital(drm_edid))
2091 status = connector_status_connected;
2093 status = connector_status_disconnected;
2094 drm_edid_free(drm_edid);
2101 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
2102 const struct drm_edid *drm_edid)
2104 bool monitor_is_digital = drm_edid_is_digital(drm_edid);
2105 bool connector_is_digital = !!IS_DIGITAL(sdvo);
2107 DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
2108 connector_is_digital, monitor_is_digital);
2109 return connector_is_digital == monitor_is_digital;
2112 static enum drm_connector_status
2113 intel_sdvo_detect(struct drm_connector *connector, bool force)
2115 struct drm_i915_private *i915 = to_i915(connector->dev);
2116 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2117 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2118 enum drm_connector_status ret;
2121 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2122 connector->base.id, connector->name);
2124 if (!intel_display_device_enabled(i915))
2125 return connector_status_disconnected;
2127 if (!intel_sdvo_set_target_output(intel_sdvo,
2128 intel_sdvo_connector->output_flag))
2129 return connector_status_unknown;
2131 if (!intel_sdvo_get_value(intel_sdvo,
2132 SDVO_CMD_GET_ATTACHED_DISPLAYS,
2134 return connector_status_unknown;
2136 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
2137 response & 0xff, response >> 8,
2138 intel_sdvo_connector->output_flag);
2141 return connector_status_disconnected;
2143 if ((intel_sdvo_connector->output_flag & response) == 0)
2144 ret = connector_status_disconnected;
2145 else if (IS_TMDS(intel_sdvo_connector))
2146 ret = intel_sdvo_tmds_sink_detect(connector);
2148 const struct drm_edid *drm_edid;
2150 /* if we have an edid check it matches the connection */
2151 drm_edid = intel_sdvo_get_edid(connector);
2153 drm_edid = intel_sdvo_get_analog_edid(connector);
2155 if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
2157 ret = connector_status_connected;
2159 ret = connector_status_disconnected;
2161 drm_edid_free(drm_edid);
2163 ret = connector_status_connected;
2170 static int intel_sdvo_get_ddc_modes(struct drm_connector *connector)
2173 const struct drm_edid *drm_edid;
2175 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2176 connector->base.id, connector->name);
2178 /* set the bus switch and get the modes */
2179 drm_edid = intel_sdvo_get_edid(connector);
2182 * Mac mini hack. On this device, the DVI-I connector shares one DDC
2183 * link between analog and digital outputs. So, if the regular SDVO
2184 * DDC fails, check to see if the analog output is disconnected, in
2185 * which case we'll look there for the digital DDC data.
2188 drm_edid = intel_sdvo_get_analog_edid(connector);
2193 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
2195 num_modes += intel_connector_update_modes(connector, drm_edid);
2197 drm_edid_free(drm_edid);
2203 * Set of SDVO TV modes.
2204 * Note! This is in reply order (see loop in get_tv_modes).
2205 * XXX: all 60Hz refresh?
2207 static const struct drm_display_mode sdvo_tv_modes[] = {
2208 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
2209 416, 0, 200, 201, 232, 233, 0,
2210 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2211 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
2212 416, 0, 240, 241, 272, 273, 0,
2213 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2214 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
2215 496, 0, 300, 301, 332, 333, 0,
2216 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2217 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
2218 736, 0, 350, 351, 382, 383, 0,
2219 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2220 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
2221 736, 0, 400, 401, 432, 433, 0,
2222 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2223 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
2224 736, 0, 480, 481, 512, 513, 0,
2225 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2226 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
2227 800, 0, 480, 481, 512, 513, 0,
2228 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2229 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
2230 800, 0, 576, 577, 608, 609, 0,
2231 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2232 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
2233 816, 0, 350, 351, 382, 383, 0,
2234 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2235 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
2236 816, 0, 400, 401, 432, 433, 0,
2237 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2238 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
2239 816, 0, 480, 481, 512, 513, 0,
2240 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2241 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
2242 816, 0, 540, 541, 572, 573, 0,
2243 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2244 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
2245 816, 0, 576, 577, 608, 609, 0,
2246 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2247 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
2248 864, 0, 576, 577, 608, 609, 0,
2249 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2250 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
2251 896, 0, 600, 601, 632, 633, 0,
2252 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2253 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
2254 928, 0, 624, 625, 656, 657, 0,
2255 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2256 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
2257 1016, 0, 766, 767, 798, 799, 0,
2258 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2259 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
2260 1120, 0, 768, 769, 800, 801, 0,
2261 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2262 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
2263 1376, 0, 1024, 1025, 1056, 1057, 0,
2264 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
2267 static int intel_sdvo_get_tv_modes(struct drm_connector *connector)
2269 struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
2270 struct intel_sdvo_connector *intel_sdvo_connector =
2271 to_intel_sdvo_connector(connector);
2272 const struct drm_connector_state *conn_state = connector->state;
2273 struct intel_sdvo_sdtv_resolution_request tv_res;
2274 u32 reply = 0, format_map = 0;
2278 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
2279 connector->base.id, connector->name);
2282 * Read the list of supported input resolutions for the selected TV
2285 format_map = 1 << conn_state->tv.mode;
2286 memcpy(&tv_res, &format_map,
2287 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
2289 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo_connector->output_flag))
2292 BUILD_BUG_ON(sizeof(tv_res) != 3);
2293 if (!intel_sdvo_write_cmd(intel_sdvo,
2294 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
2295 &tv_res, sizeof(tv_res)))
2297 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
2300 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++) {
2301 if (reply & (1 << i)) {
2302 struct drm_display_mode *nmode;
2303 nmode = drm_mode_duplicate(connector->dev,
2306 drm_mode_probed_add(connector, nmode);
2315 static int intel_sdvo_get_lvds_modes(struct drm_connector *connector)
2317 struct drm_i915_private *dev_priv = to_i915(connector->dev);
2319 drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s]\n",
2320 connector->base.id, connector->name);
2322 return intel_panel_get_modes(to_intel_connector(connector));
2325 static int intel_sdvo_get_modes(struct drm_connector *connector)
2327 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2329 if (IS_TV(intel_sdvo_connector))
2330 return intel_sdvo_get_tv_modes(connector);
2331 else if (IS_LVDS(intel_sdvo_connector))
2332 return intel_sdvo_get_lvds_modes(connector);
2334 return intel_sdvo_get_ddc_modes(connector);
2338 intel_sdvo_connector_atomic_get_property(struct drm_connector *connector,
2339 const struct drm_connector_state *state,
2340 struct drm_property *property,
2343 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2344 const struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state((void *)state);
2346 if (property == intel_sdvo_connector->tv_format) {
2349 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2350 if (state->tv.mode == intel_sdvo_connector->tv_format_supported[i]) {
2356 drm_WARN_ON(connector->dev, 1);
2358 } else if (property == intel_sdvo_connector->top ||
2359 property == intel_sdvo_connector->bottom)
2360 *val = intel_sdvo_connector->max_vscan - sdvo_state->tv.overscan_v;
2361 else if (property == intel_sdvo_connector->left ||
2362 property == intel_sdvo_connector->right)
2363 *val = intel_sdvo_connector->max_hscan - sdvo_state->tv.overscan_h;
2364 else if (property == intel_sdvo_connector->hpos)
2365 *val = sdvo_state->tv.hpos;
2366 else if (property == intel_sdvo_connector->vpos)
2367 *val = sdvo_state->tv.vpos;
2368 else if (property == intel_sdvo_connector->saturation)
2369 *val = state->tv.saturation;
2370 else if (property == intel_sdvo_connector->contrast)
2371 *val = state->tv.contrast;
2372 else if (property == intel_sdvo_connector->hue)
2373 *val = state->tv.hue;
2374 else if (property == intel_sdvo_connector->brightness)
2375 *val = state->tv.brightness;
2376 else if (property == intel_sdvo_connector->sharpness)
2377 *val = sdvo_state->tv.sharpness;
2378 else if (property == intel_sdvo_connector->flicker_filter)
2379 *val = sdvo_state->tv.flicker_filter;
2380 else if (property == intel_sdvo_connector->flicker_filter_2d)
2381 *val = sdvo_state->tv.flicker_filter_2d;
2382 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2383 *val = sdvo_state->tv.flicker_filter_adaptive;
2384 else if (property == intel_sdvo_connector->tv_chroma_filter)
2385 *val = sdvo_state->tv.chroma_filter;
2386 else if (property == intel_sdvo_connector->tv_luma_filter)
2387 *val = sdvo_state->tv.luma_filter;
2388 else if (property == intel_sdvo_connector->dot_crawl)
2389 *val = sdvo_state->tv.dot_crawl;
2391 return intel_digital_connector_atomic_get_property(connector, state, property, val);
2397 intel_sdvo_connector_atomic_set_property(struct drm_connector *connector,
2398 struct drm_connector_state *state,
2399 struct drm_property *property,
2402 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
2403 struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state(state);
2405 if (property == intel_sdvo_connector->tv_format) {
2406 state->tv.mode = intel_sdvo_connector->tv_format_supported[val];
2409 struct drm_crtc_state *crtc_state =
2410 drm_atomic_get_new_crtc_state(state->state, state->crtc);
2412 crtc_state->connectors_changed = true;
2414 } else if (property == intel_sdvo_connector->top ||
2415 property == intel_sdvo_connector->bottom)
2416 /* Cannot set these independent from each other */
2417 sdvo_state->tv.overscan_v = intel_sdvo_connector->max_vscan - val;
2418 else if (property == intel_sdvo_connector->left ||
2419 property == intel_sdvo_connector->right)
2420 /* Cannot set these independent from each other */
2421 sdvo_state->tv.overscan_h = intel_sdvo_connector->max_hscan - val;
2422 else if (property == intel_sdvo_connector->hpos)
2423 sdvo_state->tv.hpos = val;
2424 else if (property == intel_sdvo_connector->vpos)
2425 sdvo_state->tv.vpos = val;
2426 else if (property == intel_sdvo_connector->saturation)
2427 state->tv.saturation = val;
2428 else if (property == intel_sdvo_connector->contrast)
2429 state->tv.contrast = val;
2430 else if (property == intel_sdvo_connector->hue)
2431 state->tv.hue = val;
2432 else if (property == intel_sdvo_connector->brightness)
2433 state->tv.brightness = val;
2434 else if (property == intel_sdvo_connector->sharpness)
2435 sdvo_state->tv.sharpness = val;
2436 else if (property == intel_sdvo_connector->flicker_filter)
2437 sdvo_state->tv.flicker_filter = val;
2438 else if (property == intel_sdvo_connector->flicker_filter_2d)
2439 sdvo_state->tv.flicker_filter_2d = val;
2440 else if (property == intel_sdvo_connector->flicker_filter_adaptive)
2441 sdvo_state->tv.flicker_filter_adaptive = val;
2442 else if (property == intel_sdvo_connector->tv_chroma_filter)
2443 sdvo_state->tv.chroma_filter = val;
2444 else if (property == intel_sdvo_connector->tv_luma_filter)
2445 sdvo_state->tv.luma_filter = val;
2446 else if (property == intel_sdvo_connector->dot_crawl)
2447 sdvo_state->tv.dot_crawl = val;
2449 return intel_digital_connector_atomic_set_property(connector, state, property, val);
2454 static struct drm_connector_state *
2455 intel_sdvo_connector_duplicate_state(struct drm_connector *connector)
2457 struct intel_sdvo_connector_state *state;
2459 state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL);
2463 __drm_atomic_helper_connector_duplicate_state(connector, &state->base.base);
2464 return &state->base.base;
2467 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
2468 .detect = intel_sdvo_detect,
2469 .fill_modes = drm_helper_probe_single_connector_modes,
2470 .atomic_get_property = intel_sdvo_connector_atomic_get_property,
2471 .atomic_set_property = intel_sdvo_connector_atomic_set_property,
2472 .late_register = intel_connector_register,
2473 .early_unregister = intel_connector_unregister,
2474 .destroy = intel_connector_destroy,
2475 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
2476 .atomic_duplicate_state = intel_sdvo_connector_duplicate_state,
2479 static int intel_sdvo_atomic_check(struct drm_connector *conn,
2480 struct drm_atomic_state *state)
2482 struct drm_connector_state *new_conn_state =
2483 drm_atomic_get_new_connector_state(state, conn);
2484 struct drm_connector_state *old_conn_state =
2485 drm_atomic_get_old_connector_state(state, conn);
2486 struct intel_sdvo_connector_state *old_state =
2487 to_intel_sdvo_connector_state(old_conn_state);
2488 struct intel_sdvo_connector_state *new_state =
2489 to_intel_sdvo_connector_state(new_conn_state);
2491 if (new_conn_state->crtc &&
2492 (memcmp(&old_state->tv, &new_state->tv, sizeof(old_state->tv)) ||
2493 memcmp(&old_conn_state->tv, &new_conn_state->tv, sizeof(old_conn_state->tv)))) {
2494 struct drm_crtc_state *crtc_state =
2495 drm_atomic_get_new_crtc_state(state,
2496 new_conn_state->crtc);
2498 crtc_state->connectors_changed = true;
2501 return intel_digital_connector_atomic_check(conn, state);
2504 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2505 .get_modes = intel_sdvo_get_modes,
2506 .mode_valid = intel_sdvo_mode_valid,
2507 .atomic_check = intel_sdvo_atomic_check,
2510 static void intel_sdvo_encoder_destroy(struct drm_encoder *_encoder)
2512 struct intel_encoder *encoder = to_intel_encoder(_encoder);
2513 struct intel_sdvo *sdvo = to_sdvo(encoder);
2516 for (i = 0; i < ARRAY_SIZE(sdvo->ddc); i++) {
2517 if (sdvo->ddc[i].ddc_bus)
2518 i2c_del_adapter(&sdvo->ddc[i].ddc);
2521 drm_encoder_cleanup(&encoder->base);
2525 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2526 .destroy = intel_sdvo_encoder_destroy,
2530 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo,
2531 struct intel_sdvo_connector *connector)
2537 * Make a mask of outputs less than or equal to our own priority in the
2540 switch (connector->output_flag) {
2541 case SDVO_OUTPUT_LVDS1:
2542 mask |= SDVO_OUTPUT_LVDS1;
2544 case SDVO_OUTPUT_LVDS0:
2545 mask |= SDVO_OUTPUT_LVDS0;
2547 case SDVO_OUTPUT_TMDS1:
2548 mask |= SDVO_OUTPUT_TMDS1;
2550 case SDVO_OUTPUT_TMDS0:
2551 mask |= SDVO_OUTPUT_TMDS0;
2553 case SDVO_OUTPUT_RGB1:
2554 mask |= SDVO_OUTPUT_RGB1;
2556 case SDVO_OUTPUT_RGB0:
2557 mask |= SDVO_OUTPUT_RGB0;
2561 /* Count bits to find what number we are in the priority list. */
2562 mask &= sdvo->caps.output_flags;
2563 num_bits = hweight16(mask);
2564 /* If more than 3 outputs, default to DDC bus 3 for now. */
2568 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2573 * Choose the appropriate DDC bus for control bus switch command for this
2574 * SDVO output based on the controlled output.
2576 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2577 * outputs, then LVDS outputs.
2579 static struct intel_sdvo_ddc *
2580 intel_sdvo_select_ddc_bus(struct intel_sdvo *sdvo,
2581 struct intel_sdvo_connector *connector)
2583 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
2584 const struct sdvo_device_mapping *mapping;
2587 if (sdvo->base.port == PORT_B)
2588 mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2590 mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2592 if (mapping->initialized)
2593 ddc_bus = (mapping->ddc_pin & 0xf0) >> 4;
2595 ddc_bus = intel_sdvo_guess_ddc_bus(sdvo, connector);
2597 if (ddc_bus < 1 || ddc_bus > 3)
2600 return &sdvo->ddc[ddc_bus - 1];
2604 intel_sdvo_select_i2c_bus(struct intel_sdvo *sdvo)
2606 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
2607 const struct sdvo_device_mapping *mapping;
2610 if (sdvo->base.port == PORT_B)
2611 mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2613 mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2615 if (mapping->initialized &&
2616 intel_gmbus_is_valid_pin(dev_priv, mapping->i2c_pin))
2617 pin = mapping->i2c_pin;
2619 pin = GMBUS_PIN_DPB;
2621 drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] I2C pin %d, slave addr 0x%x\n",
2622 sdvo->base.base.base.id, sdvo->base.base.name,
2623 pin, sdvo->slave_addr);
2625 sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
2628 * With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
2629 * our code totally fails once we start using gmbus. Hence fall back to
2630 * bit banging for now.
2632 intel_gmbus_force_bit(sdvo->i2c, true);
2635 /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
2637 intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
2639 intel_gmbus_force_bit(sdvo->i2c, false);
2643 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo)
2645 return intel_sdvo_check_supp_encode(intel_sdvo);
2649 intel_sdvo_get_slave_addr(struct intel_sdvo *sdvo)
2651 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
2652 const struct sdvo_device_mapping *my_mapping, *other_mapping;
2654 if (sdvo->base.port == PORT_B) {
2655 my_mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2656 other_mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2658 my_mapping = &dev_priv->display.vbt.sdvo_mappings[1];
2659 other_mapping = &dev_priv->display.vbt.sdvo_mappings[0];
2662 /* If the BIOS described our SDVO device, take advantage of it. */
2663 if (my_mapping->slave_addr)
2664 return my_mapping->slave_addr;
2667 * If the BIOS only described a different SDVO device, use the
2668 * address that it isn't using.
2670 if (other_mapping->slave_addr) {
2671 if (other_mapping->slave_addr == 0x70)
2678 * No SDVO device info is found for another DVO port,
2679 * so use mapping assumption we had before BIOS parsing.
2681 if (sdvo->base.port == PORT_B)
2688 intel_sdvo_init_ddc_proxy(struct intel_sdvo_ddc *ddc,
2689 struct intel_sdvo *sdvo, int bit);
2692 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2693 struct intel_sdvo *encoder)
2695 struct drm_i915_private *i915 = to_i915(encoder->base.base.dev);
2696 struct intel_sdvo_ddc *ddc = NULL;
2699 if (HAS_DDC(connector))
2700 ddc = intel_sdvo_select_ddc_bus(encoder, connector);
2702 ret = drm_connector_init_with_ddc(encoder->base.base.dev,
2703 &connector->base.base,
2704 &intel_sdvo_connector_funcs,
2705 connector->base.base.connector_type,
2706 ddc ? &ddc->ddc : NULL);
2710 drm_connector_helper_add(&connector->base.base,
2711 &intel_sdvo_connector_helper_funcs);
2713 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2714 connector->base.base.interlace_allowed = true;
2715 connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
2717 intel_connector_attach_encoder(&connector->base, &encoder->base);
2720 drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] using %s\n",
2721 connector->base.base.base.id, connector->base.base.name,
2728 intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
2729 struct intel_sdvo_connector *connector)
2731 intel_attach_force_audio_property(&connector->base.base);
2732 if (intel_sdvo->colorimetry_cap & SDVO_COLORIMETRY_RGB220)
2733 intel_attach_broadcast_rgb_property(&connector->base.base);
2734 intel_attach_aspect_ratio_property(&connector->base.base);
2737 static struct intel_sdvo_connector *intel_sdvo_connector_alloc(void)
2739 struct intel_sdvo_connector *sdvo_connector;
2740 struct intel_sdvo_connector_state *conn_state;
2742 sdvo_connector = kzalloc(sizeof(*sdvo_connector), GFP_KERNEL);
2743 if (!sdvo_connector)
2746 conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL);
2748 kfree(sdvo_connector);
2752 __drm_atomic_helper_connector_reset(&sdvo_connector->base.base,
2753 &conn_state->base.base);
2755 intel_panel_init_alloc(&sdvo_connector->base);
2757 return sdvo_connector;
2761 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, u16 type)
2763 struct drm_encoder *encoder = &intel_sdvo->base.base;
2764 struct drm_connector *connector;
2765 struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2766 struct intel_connector *intel_connector;
2767 struct intel_sdvo_connector *intel_sdvo_connector;
2769 DRM_DEBUG_KMS("initialising DVI type 0x%x\n", type);
2771 intel_sdvo_connector = intel_sdvo_connector_alloc();
2772 if (!intel_sdvo_connector)
2775 intel_sdvo_connector->output_flag = type;
2777 intel_connector = &intel_sdvo_connector->base;
2778 connector = &intel_connector->base;
2779 if (intel_sdvo_get_hotplug_support(intel_sdvo) &
2780 intel_sdvo_connector->output_flag) {
2781 intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
2783 * Some SDVO devices have one-shot hotplug interrupts.
2784 * Ensure that they get re-enabled when an interrupt happens.
2786 intel_connector->polled = DRM_CONNECTOR_POLL_HPD;
2787 intel_encoder->hotplug = intel_sdvo_hotplug;
2788 intel_sdvo_enable_hotplug(intel_encoder);
2790 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2792 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2793 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2795 if (intel_sdvo_is_hdmi_connector(intel_sdvo)) {
2796 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2797 intel_sdvo_connector->is_hdmi = true;
2800 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2801 kfree(intel_sdvo_connector);
2805 if (intel_sdvo_connector->is_hdmi)
2806 intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2812 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, u16 type)
2814 struct drm_encoder *encoder = &intel_sdvo->base.base;
2815 struct drm_connector *connector;
2816 struct intel_connector *intel_connector;
2817 struct intel_sdvo_connector *intel_sdvo_connector;
2819 DRM_DEBUG_KMS("initialising TV type 0x%x\n", type);
2821 intel_sdvo_connector = intel_sdvo_connector_alloc();
2822 if (!intel_sdvo_connector)
2825 intel_connector = &intel_sdvo_connector->base;
2826 connector = &intel_connector->base;
2827 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2828 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2830 intel_sdvo_connector->output_flag = type;
2832 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2833 kfree(intel_sdvo_connector);
2837 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2840 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2846 intel_connector_destroy(connector);
2851 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, u16 type)
2853 struct drm_encoder *encoder = &intel_sdvo->base.base;
2854 struct drm_connector *connector;
2855 struct intel_connector *intel_connector;
2856 struct intel_sdvo_connector *intel_sdvo_connector;
2858 DRM_DEBUG_KMS("initialising analog type 0x%x\n", type);
2860 intel_sdvo_connector = intel_sdvo_connector_alloc();
2861 if (!intel_sdvo_connector)
2864 intel_connector = &intel_sdvo_connector->base;
2865 connector = &intel_connector->base;
2866 intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2867 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2868 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2870 intel_sdvo_connector->output_flag = type;
2872 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2873 kfree(intel_sdvo_connector);
2881 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, u16 type)
2883 struct drm_encoder *encoder = &intel_sdvo->base.base;
2884 struct drm_i915_private *i915 = to_i915(encoder->dev);
2885 struct drm_connector *connector;
2886 struct intel_connector *intel_connector;
2887 struct intel_sdvo_connector *intel_sdvo_connector;
2889 DRM_DEBUG_KMS("initialising LVDS type 0x%x\n", type);
2891 intel_sdvo_connector = intel_sdvo_connector_alloc();
2892 if (!intel_sdvo_connector)
2895 intel_connector = &intel_sdvo_connector->base;
2896 connector = &intel_connector->base;
2897 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2898 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2900 intel_sdvo_connector->output_flag = type;
2902 if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
2903 kfree(intel_sdvo_connector);
2907 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2910 intel_bios_init_panel_late(i915, &intel_connector->panel, NULL, NULL);
2913 * Fetch modes from VBT. For SDVO prefer the VBT mode since some
2914 * SDVO->LVDS transcoders can't cope with the EDID mode.
2916 intel_panel_add_vbt_sdvo_fixed_mode(intel_connector);
2918 if (!intel_panel_preferred_fixed_mode(intel_connector)) {
2919 mutex_lock(&i915->drm.mode_config.mutex);
2921 intel_ddc_get_modes(connector, connector->ddc);
2922 intel_panel_add_edid_fixed_modes(intel_connector, false);
2924 mutex_unlock(&i915->drm.mode_config.mutex);
2927 intel_panel_init(intel_connector, NULL);
2929 if (!intel_panel_preferred_fixed_mode(intel_connector))
2935 intel_connector_destroy(connector);
2939 static u16 intel_sdvo_filter_output_flags(u16 flags)
2941 flags &= SDVO_OUTPUT_MASK;
2943 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2944 if (!(flags & SDVO_OUTPUT_TMDS0))
2945 flags &= ~SDVO_OUTPUT_TMDS1;
2947 if (!(flags & SDVO_OUTPUT_RGB0))
2948 flags &= ~SDVO_OUTPUT_RGB1;
2950 if (!(flags & SDVO_OUTPUT_LVDS0))
2951 flags &= ~SDVO_OUTPUT_LVDS1;
2956 static bool intel_sdvo_output_init(struct intel_sdvo *sdvo, u16 type)
2958 if (type & SDVO_TMDS_MASK)
2959 return intel_sdvo_dvi_init(sdvo, type);
2960 else if (type & SDVO_TV_MASK)
2961 return intel_sdvo_tv_init(sdvo, type);
2962 else if (type & SDVO_RGB_MASK)
2963 return intel_sdvo_analog_init(sdvo, type);
2964 else if (type & SDVO_LVDS_MASK)
2965 return intel_sdvo_lvds_init(sdvo, type);
2971 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo)
2973 static const u16 probe_order[] = {
2976 /* TV has no XXX1 function block */
2988 flags = intel_sdvo_filter_output_flags(intel_sdvo->caps.output_flags);
2991 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%04x)\n",
2992 SDVO_NAME(intel_sdvo), intel_sdvo->caps.output_flags);
2996 for (i = 0; i < ARRAY_SIZE(probe_order); i++) {
2997 u16 type = flags & probe_order[i];
3002 if (!intel_sdvo_output_init(intel_sdvo, type))
3006 intel_sdvo->base.pipe_mask = ~0;
3011 static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
3013 struct drm_device *dev = intel_sdvo->base.base.dev;
3014 struct drm_connector *connector, *tmp;
3016 list_for_each_entry_safe(connector, tmp,
3017 &dev->mode_config.connector_list, head) {
3018 if (intel_attached_encoder(to_intel_connector(connector)) == &intel_sdvo->base) {
3019 drm_connector_unregister(connector);
3020 intel_connector_destroy(connector);
3025 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
3026 struct intel_sdvo_connector *intel_sdvo_connector,
3029 struct drm_device *dev = intel_sdvo->base.base.dev;
3030 struct intel_sdvo_tv_format format;
3033 if (!intel_sdvo_set_target_output(intel_sdvo, type))
3036 BUILD_BUG_ON(sizeof(format) != 6);
3037 if (!intel_sdvo_get_value(intel_sdvo,
3038 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
3039 &format, sizeof(format)))
3042 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
3044 if (format_map == 0)
3047 intel_sdvo_connector->format_supported_num = 0;
3048 for (i = 0 ; i < TV_FORMAT_NUM; i++)
3049 if (format_map & (1 << i))
3050 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
3053 intel_sdvo_connector->tv_format =
3054 drm_property_create(dev, DRM_MODE_PROP_ENUM,
3055 "mode", intel_sdvo_connector->format_supported_num);
3056 if (!intel_sdvo_connector->tv_format)
3059 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
3060 drm_property_add_enum(intel_sdvo_connector->tv_format, i,
3061 tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
3063 intel_sdvo_connector->base.base.state->tv.mode = intel_sdvo_connector->tv_format_supported[0];
3064 drm_object_attach_property(&intel_sdvo_connector->base.base.base,
3065 intel_sdvo_connector->tv_format, 0);
3070 #define _ENHANCEMENT(state_assignment, name, NAME) do { \
3071 if (enhancements.name) { \
3072 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
3073 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
3075 intel_sdvo_connector->name = \
3076 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
3077 if (!intel_sdvo_connector->name) return false; \
3078 state_assignment = response; \
3079 drm_object_attach_property(&connector->base, \
3080 intel_sdvo_connector->name, 0); \
3081 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
3082 data_value[0], data_value[1], response); \
3086 #define ENHANCEMENT(state, name, NAME) _ENHANCEMENT((state)->name, name, NAME)
3089 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
3090 struct intel_sdvo_connector *intel_sdvo_connector,
3091 struct intel_sdvo_enhancements_reply enhancements)
3093 struct drm_device *dev = intel_sdvo->base.base.dev;
3094 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3095 struct drm_connector_state *conn_state = connector->state;
3096 struct intel_sdvo_connector_state *sdvo_state =
3097 to_intel_sdvo_connector_state(conn_state);
3098 u16 response, data_value[2];
3100 /* when horizontal overscan is supported, Add the left/right property */
3101 if (enhancements.overscan_h) {
3102 if (!intel_sdvo_get_value(intel_sdvo,
3103 SDVO_CMD_GET_MAX_OVERSCAN_H,
3107 if (!intel_sdvo_get_value(intel_sdvo,
3108 SDVO_CMD_GET_OVERSCAN_H,
3112 sdvo_state->tv.overscan_h = response;
3114 intel_sdvo_connector->max_hscan = data_value[0];
3115 intel_sdvo_connector->left =
3116 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
3117 if (!intel_sdvo_connector->left)
3120 drm_object_attach_property(&connector->base,
3121 intel_sdvo_connector->left, 0);
3123 intel_sdvo_connector->right =
3124 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
3125 if (!intel_sdvo_connector->right)
3128 drm_object_attach_property(&connector->base,
3129 intel_sdvo_connector->right, 0);
3130 DRM_DEBUG_KMS("h_overscan: max %d, "
3131 "default %d, current %d\n",
3132 data_value[0], data_value[1], response);
3135 if (enhancements.overscan_v) {
3136 if (!intel_sdvo_get_value(intel_sdvo,
3137 SDVO_CMD_GET_MAX_OVERSCAN_V,
3141 if (!intel_sdvo_get_value(intel_sdvo,
3142 SDVO_CMD_GET_OVERSCAN_V,
3146 sdvo_state->tv.overscan_v = response;
3148 intel_sdvo_connector->max_vscan = data_value[0];
3149 intel_sdvo_connector->top =
3150 drm_property_create_range(dev, 0,
3151 "top_margin", 0, data_value[0]);
3152 if (!intel_sdvo_connector->top)
3155 drm_object_attach_property(&connector->base,
3156 intel_sdvo_connector->top, 0);
3158 intel_sdvo_connector->bottom =
3159 drm_property_create_range(dev, 0,
3160 "bottom_margin", 0, data_value[0]);
3161 if (!intel_sdvo_connector->bottom)
3164 drm_object_attach_property(&connector->base,
3165 intel_sdvo_connector->bottom, 0);
3166 DRM_DEBUG_KMS("v_overscan: max %d, "
3167 "default %d, current %d\n",
3168 data_value[0], data_value[1], response);
3171 ENHANCEMENT(&sdvo_state->tv, hpos, HPOS);
3172 ENHANCEMENT(&sdvo_state->tv, vpos, VPOS);
3173 ENHANCEMENT(&conn_state->tv, saturation, SATURATION);
3174 ENHANCEMENT(&conn_state->tv, contrast, CONTRAST);
3175 ENHANCEMENT(&conn_state->tv, hue, HUE);
3176 ENHANCEMENT(&conn_state->tv, brightness, BRIGHTNESS);
3177 ENHANCEMENT(&sdvo_state->tv, sharpness, SHARPNESS);
3178 ENHANCEMENT(&sdvo_state->tv, flicker_filter, FLICKER_FILTER);
3179 ENHANCEMENT(&sdvo_state->tv, flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
3180 ENHANCEMENT(&sdvo_state->tv, flicker_filter_2d, FLICKER_FILTER_2D);
3181 _ENHANCEMENT(sdvo_state->tv.chroma_filter, tv_chroma_filter, TV_CHROMA_FILTER);
3182 _ENHANCEMENT(sdvo_state->tv.luma_filter, tv_luma_filter, TV_LUMA_FILTER);
3184 if (enhancements.dot_crawl) {
3185 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
3188 sdvo_state->tv.dot_crawl = response & 0x1;
3189 intel_sdvo_connector->dot_crawl =
3190 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
3191 if (!intel_sdvo_connector->dot_crawl)
3194 drm_object_attach_property(&connector->base,
3195 intel_sdvo_connector->dot_crawl, 0);
3196 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
3203 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
3204 struct intel_sdvo_connector *intel_sdvo_connector,
3205 struct intel_sdvo_enhancements_reply enhancements)
3207 struct drm_device *dev = intel_sdvo->base.base.dev;
3208 struct drm_connector *connector = &intel_sdvo_connector->base.base;
3209 u16 response, data_value[2];
3211 ENHANCEMENT(&connector->state->tv, brightness, BRIGHTNESS);
3218 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
3219 struct intel_sdvo_connector *intel_sdvo_connector)
3222 struct intel_sdvo_enhancements_reply reply;
3226 BUILD_BUG_ON(sizeof(enhancements) != 2);
3228 if (!intel_sdvo_get_value(intel_sdvo,
3229 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
3230 &enhancements, sizeof(enhancements)) ||
3231 enhancements.response == 0) {
3232 DRM_DEBUG_KMS("No enhancement is supported\n");
3236 if (IS_TV(intel_sdvo_connector))
3237 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3238 else if (IS_LVDS(intel_sdvo_connector))
3239 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
3244 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
3245 struct i2c_msg *msgs,
3248 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3249 struct intel_sdvo *sdvo = ddc->sdvo;
3251 if (!__intel_sdvo_set_control_bus_switch(sdvo, 1 << ddc->ddc_bus))
3254 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
3257 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
3259 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3260 struct intel_sdvo *sdvo = ddc->sdvo;
3262 return sdvo->i2c->algo->functionality(sdvo->i2c);
3265 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
3266 .master_xfer = intel_sdvo_ddc_proxy_xfer,
3267 .functionality = intel_sdvo_ddc_proxy_func
3270 static void proxy_lock_bus(struct i2c_adapter *adapter,
3273 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3274 struct intel_sdvo *sdvo = ddc->sdvo;
3276 sdvo->i2c->lock_ops->lock_bus(sdvo->i2c, flags);
3279 static int proxy_trylock_bus(struct i2c_adapter *adapter,
3282 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3283 struct intel_sdvo *sdvo = ddc->sdvo;
3285 return sdvo->i2c->lock_ops->trylock_bus(sdvo->i2c, flags);
3288 static void proxy_unlock_bus(struct i2c_adapter *adapter,
3291 struct intel_sdvo_ddc *ddc = adapter->algo_data;
3292 struct intel_sdvo *sdvo = ddc->sdvo;
3294 sdvo->i2c->lock_ops->unlock_bus(sdvo->i2c, flags);
3297 static const struct i2c_lock_operations proxy_lock_ops = {
3298 .lock_bus = proxy_lock_bus,
3299 .trylock_bus = proxy_trylock_bus,
3300 .unlock_bus = proxy_unlock_bus,
3304 intel_sdvo_init_ddc_proxy(struct intel_sdvo_ddc *ddc,
3305 struct intel_sdvo *sdvo, int ddc_bus)
3307 struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
3308 struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
3311 ddc->ddc_bus = ddc_bus;
3313 ddc->ddc.owner = THIS_MODULE;
3314 ddc->ddc.class = I2C_CLASS_DDC;
3315 snprintf(ddc->ddc.name, I2C_NAME_SIZE, "SDVO %c DDC%d",
3316 port_name(sdvo->base.port), ddc_bus);
3317 ddc->ddc.dev.parent = &pdev->dev;
3318 ddc->ddc.algo_data = ddc;
3319 ddc->ddc.algo = &intel_sdvo_ddc_proxy;
3320 ddc->ddc.lock_ops = &proxy_lock_ops;
3322 return i2c_add_adapter(&ddc->ddc);
3325 static bool is_sdvo_port_valid(struct drm_i915_private *dev_priv, enum port port)
3327 if (HAS_PCH_SPLIT(dev_priv))
3328 return port == PORT_B;
3330 return port == PORT_B || port == PORT_C;
3333 static bool assert_sdvo_port_valid(struct drm_i915_private *dev_priv,
3336 return !drm_WARN(&dev_priv->drm, !is_sdvo_port_valid(dev_priv, port),
3337 "Platform does not support SDVO %c\n", port_name(port));
3340 bool intel_sdvo_init(struct drm_i915_private *dev_priv,
3341 i915_reg_t sdvo_reg, enum port port)
3343 struct intel_encoder *intel_encoder;
3344 struct intel_sdvo *intel_sdvo;
3347 if (!assert_port_valid(dev_priv, port))
3350 if (!assert_sdvo_port_valid(dev_priv, port))
3353 intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL);
3357 /* encoder type will be decided later */
3358 intel_encoder = &intel_sdvo->base;
3359 intel_encoder->type = INTEL_OUTPUT_SDVO;
3360 intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER;
3361 intel_encoder->port = port;
3363 drm_encoder_init(&dev_priv->drm, &intel_encoder->base,
3364 &intel_sdvo_enc_funcs, 0,
3365 "SDVO %c", port_name(port));
3367 intel_sdvo->sdvo_reg = sdvo_reg;
3368 intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(intel_sdvo) >> 1;
3370 intel_sdvo_select_i2c_bus(intel_sdvo);
3372 /* Read the regs to test if we can talk to the device */
3373 for (i = 0; i < 0x40; i++) {
3376 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
3377 drm_dbg_kms(&dev_priv->drm,
3378 "No SDVO device found on %s\n",
3379 SDVO_NAME(intel_sdvo));
3384 intel_encoder->compute_config = intel_sdvo_compute_config;
3385 if (HAS_PCH_SPLIT(dev_priv)) {
3386 intel_encoder->disable = pch_disable_sdvo;
3387 intel_encoder->post_disable = pch_post_disable_sdvo;
3389 intel_encoder->disable = intel_disable_sdvo;
3391 intel_encoder->pre_enable = intel_sdvo_pre_enable;
3392 intel_encoder->enable = intel_enable_sdvo;
3393 intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
3394 intel_encoder->get_config = intel_sdvo_get_config;
3396 /* In default case sdvo lvds is false */
3397 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
3400 intel_sdvo->colorimetry_cap =
3401 intel_sdvo_get_colorimetry_cap(intel_sdvo);
3403 for (i = 0; i < ARRAY_SIZE(intel_sdvo->ddc); i++) {
3406 ret = intel_sdvo_init_ddc_proxy(&intel_sdvo->ddc[i],
3412 if (!intel_sdvo_output_setup(intel_sdvo)) {
3413 drm_dbg_kms(&dev_priv->drm,
3414 "SDVO output failed to setup on %s\n",
3415 SDVO_NAME(intel_sdvo));
3416 /* Output_setup can leave behind connectors! */
3421 * Only enable the hotplug irq if we need it, to work around noisy
3424 if (intel_sdvo->hotplug_active) {
3425 if (intel_sdvo->base.port == PORT_B)
3426 intel_encoder->hpd_pin = HPD_SDVO_B;
3428 intel_encoder->hpd_pin = HPD_SDVO_C;
3432 * Cloning SDVO with anything is often impossible, since the SDVO
3433 * encoder can request a special input timing mode. And even if that's
3434 * not the case we have evidence that cloning a plain unscaled mode with
3435 * VGA doesn't really work. Furthermore the cloning flags are way too
3436 * simplistic anyway to express such constraints, so just give up on
3437 * cloning for SDVO encoders.
3439 intel_sdvo->base.cloneable = 0;
3441 /* Set the input timing to the screen. Assume always input 0. */
3442 if (!intel_sdvo_set_target_input(intel_sdvo))
3445 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
3446 &intel_sdvo->pixel_clock_min,
3447 &intel_sdvo->pixel_clock_max))
3450 drm_dbg_kms(&dev_priv->drm, "%s device VID/DID: %02X:%02X.%02X, "
3451 "clock range %dMHz - %dMHz, "
3453 "output 1: %c, output 2: %c\n",
3454 SDVO_NAME(intel_sdvo),
3455 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
3456 intel_sdvo->caps.device_rev_id,
3457 intel_sdvo->pixel_clock_min / 1000,
3458 intel_sdvo->pixel_clock_max / 1000,
3459 intel_sdvo->caps.sdvo_num_inputs,
3460 /* check currently supported outputs */
3461 intel_sdvo->caps.output_flags &
3462 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0 |
3463 SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_SVID0 |
3464 SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB0) ? 'Y' : 'N',
3465 intel_sdvo->caps.output_flags &
3466 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1 |
3467 SDVO_OUTPUT_LVDS1) ? 'Y' : 'N');
3471 intel_sdvo_output_cleanup(intel_sdvo);
3473 intel_sdvo_unselect_i2c_bus(intel_sdvo);
3474 intel_sdvo_encoder_destroy(&intel_encoder->base);