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drm/i915: Replace a calloc followed by copying data over it with malloc.
[linux-2.6-block.git] / drivers / gpu / drm / i915 / intel_sdvo.c
CommitLineData
79e53945
JB		 1/*
2 * Copyright 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright © 2006-2007 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 *
25 * Authors:
26 * Eric Anholt <eric@anholt.net>
27 */
28#include <linux/i2c.h>
29#include <linux/delay.h>
30#include "drmP.h"
31#include "drm.h"
32#include "drm_crtc.h"
33#include "intel_drv.h"
2b8d33f7 34#include "drm_edid.h"
79e53945
JB		 35#include "i915_drm.h"
36#include "i915_drv.h"
37#include "intel_sdvo_regs.h"
38
ce6feabd
ZY		 39static char *tv_format_names[] = {
40 "NTSC_M" , "NTSC_J" , "NTSC_443",
41 "PAL_B" , "PAL_D" , "PAL_G" ,
42 "PAL_H" , "PAL_I" , "PAL_M" ,
43 "PAL_N" , "PAL_NC" , "PAL_60" ,
44 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
45 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
46 "SECAM_60"
47};
48
49#define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
50
79e53945 51struct intel_sdvo_priv {
f9c10a9b 52 u8 slave_addr;
e2f0ba97
JB		 53
54 /* Register for the SDVO device: SDVOB or SDVOC */
79e53945
JB		 55 int output_device;
56
e2f0ba97
JB		 57 /* Active outputs controlled by this SDVO output */
58 uint16_t controlled_output;
79e53945 59
e2f0ba97
JB		 60 /*
61 * Capabilities of the SDVO device returned by
62 * i830_sdvo_get_capabilities()
63 */
79e53945 64 struct intel_sdvo_caps caps;
e2f0ba97
JB		 65
66 /* Pixel clock limitations reported by the SDVO device, in kHz */
79e53945
JB		 67 int pixel_clock_min, pixel_clock_max;
68
fb7a46f3 69 /*
70 * For multiple function SDVO device,
71 * this is for current attached outputs.
72 */
73 uint16_t attached_output;
74
e2f0ba97
JB		 75 /**
76 * This is set if we're going to treat the device as TV-out.
77 *
78 * While we have these nice friendly flags for output types that ought
79 * to decide this for us, the S-Video output on our HDMI+S-Video card
80 * shows up as RGB1 (VGA).
81 */
82 bool is_tv;
83
ce6feabd
ZY		 84 /* This is for current tv format name */
85 char *tv_format_name;
86
87 /* This contains all current supported TV format */
88 char *tv_format_supported[TV_FORMAT_NUM];
89 int format_supported_num;
90 struct drm_property *tv_format_property;
91 struct drm_property *tv_format_name_property[TV_FORMAT_NUM];
92
e2f0ba97
JB		 93 /**
94 * This is set if we treat the device as HDMI, instead of DVI.
95 */
96 bool is_hdmi;
12682a97 97
7086c87f
ML		 98 /**
99 * This is set if we detect output of sdvo device as LVDS.
100 */
101 bool is_lvds;
e2f0ba97 102
12682a97 103 /**
104 * This is sdvo flags for input timing.
105 */
106 uint8_t sdvo_flags;
107
108 /**
109 * This is sdvo fixed pannel mode pointer
110 */
111 struct drm_display_mode *sdvo_lvds_fixed_mode;
112
e2f0ba97
JB		 113 /**
114 * Returned SDTV resolutions allowed for the current format, if the
115 * device reported it.
116 */
117 struct intel_sdvo_sdtv_resolution_reply sdtv_resolutions;
118
e2f0ba97
JB		 119 /*
120 * supported encoding mode, used to determine whether HDMI is
121 * supported
122 */
123 struct intel_sdvo_encode encode;
124
125 /* DDC bus used by this SDVO output */
126 uint8_t ddc_bus;
127
57cdaf90
KP		 128 /* Mac mini hack -- use the same DDC as the analog connector */
129 struct i2c_adapter *analog_ddc_bus;
130
79e53945
JB		 131 int save_sdvo_mult;
132 u16 save_active_outputs;
133 struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
134 struct intel_sdvo_dtd save_output_dtd[16];
135 u32 save_SDVOX;
b9219c5e
ZY		 136 /* add the property for the SDVO-TV */
137 struct drm_property *left_property;
138 struct drm_property *right_property;
139 struct drm_property *top_property;
140 struct drm_property *bottom_property;
141 struct drm_property *hpos_property;
142 struct drm_property *vpos_property;
143
144 /* add the property for the SDVO-TV/LVDS */
145 struct drm_property *brightness_property;
146 struct drm_property *contrast_property;
147 struct drm_property *saturation_property;
148 struct drm_property *hue_property;
149
150 /* Add variable to record current setting for the above property */
151 u32 left_margin, right_margin, top_margin, bottom_margin;
152 /* this is to get the range of margin.*/
153 u32 max_hscan, max_vscan;
154 u32 max_hpos, cur_hpos;
155 u32 max_vpos, cur_vpos;
156 u32 cur_brightness, max_brightness;
157 u32 cur_contrast, max_contrast;
158 u32 cur_saturation, max_saturation;
159 u32 cur_hue, max_hue;
79e53945
JB		 160};
161
fb7a46f3 162static bool
163intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags);
164
79e53945
JB		 165/**
166 * Writes the SDVOB or SDVOC with the given value, but always writes both
167 * SDVOB and SDVOC to work around apparent hardware issues (according to
168 * comments in the BIOS).
169 */
b358d0a6 170static void intel_sdvo_write_sdvox(struct intel_output *intel_output, u32 val)
79e53945
JB		 171{
172 struct drm_device *dev = intel_output->base.dev;
173 struct drm_i915_private *dev_priv = dev->dev_private;
174 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
175 u32 bval = val, cval = val;
176 int i;
177
178 if (sdvo_priv->output_device == SDVOB) {
179 cval = I915_READ(SDVOC);
180 } else {
181 bval = I915_READ(SDVOB);
182 }
183 /*
184 * Write the registers twice for luck. Sometimes,
185 * writing them only once doesn't appear to 'stick'.
186 * The BIOS does this too. Yay, magic
187 */
188 for (i = 0; i < 2; i++)
189 {
190 I915_WRITE(SDVOB, bval);
191 I915_READ(SDVOB);
192 I915_WRITE(SDVOC, cval);
193 I915_READ(SDVOC);
194 }
195}
196
197static bool intel_sdvo_read_byte(struct intel_output *intel_output, u8 addr,
198 u8 *ch)
199{
200 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
201 u8 out_buf[2];
202 u8 buf[2];
203 int ret;
204
205 struct i2c_msg msgs[] = {
206 {
f9c10a9b 207 .addr = sdvo_priv->slave_addr >> 1,
79e53945
JB		 208 .flags = 0,
209 .len = 1,
210 .buf = out_buf,
211 },
212 {
f9c10a9b 213 .addr = sdvo_priv->slave_addr >> 1,
79e53945
JB		 214 .flags = I2C_M_RD,
215 .len = 1,
216 .buf = buf,
217 }
218 };
219
220 out_buf[0] = addr;
221 out_buf[1] = 0;
222
308cd3a2 223 if ((ret = i2c_transfer(intel_output->i2c_bus, msgs, 2)) == 2)
79e53945
JB		 224 {
225 *ch = buf[0];
226 return true;
227 }
228
8a4c47f3 229 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
79e53945
JB		 230 return false;
231}
232
233static bool intel_sdvo_write_byte(struct intel_output *intel_output, int addr,
234 u8 ch)
235{
f9c10a9b 236 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
79e53945
JB		 237 u8 out_buf[2];
238 struct i2c_msg msgs[] = {
239 {
f9c10a9b 240 .addr = sdvo_priv->slave_addr >> 1,
79e53945
JB		 241 .flags = 0,
242 .len = 2,
243 .buf = out_buf,
244 }
245 };
246
247 out_buf[0] = addr;
248 out_buf[1] = ch;
249
f9c10a9b 250 if (i2c_transfer(intel_output->i2c_bus, msgs, 1) == 1)
79e53945
JB		 251 {
252 return true;
253 }
254 return false;
255}
256
257#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
258/** Mapping of command numbers to names, for debug output */
005568be 259static const struct _sdvo_cmd_name {
e2f0ba97
JB		 260 u8 cmd;
261 char *name;
79e53945
JB		 262} sdvo_cmd_names[] = {
263 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
264 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
265 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
266 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
267 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
268 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
269 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
270 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
271 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
272 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
273 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
274 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
275 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
276 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
277 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
278 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
279 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
280 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
281 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
282 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
283 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
284 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
285 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
286 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
287 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
288 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
289 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
290 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
291 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
292 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
293 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
294 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
295 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
296 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
297 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
e2f0ba97
JB		 298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
79e53945 302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
e2f0ba97
JB		 303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
b9219c5e
ZY		 306 /* Add the op code for SDVO enhancements */
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_POSITION_H),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POSITION_H),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_POSITION_H),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_POSITION_V),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POSITION_V),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_POSITION_V),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
e2f0ba97
JB		 331 /* HDMI op code */
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
79e53945
JB		 352};
353
354#define SDVO_NAME(dev_priv) ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC")
355#define SDVO_PRIV(output) ((struct intel_sdvo_priv *) (output)->dev_priv)
356
79e53945
JB		 357static void intel_sdvo_debug_write(struct intel_output *intel_output, u8 cmd,
358 void *args, int args_len)
359{
360 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
361 int i;
362
8a4c47f3 363 DRM_DEBUG_KMS("%s: W: %02X ",
342dc382 364 SDVO_NAME(sdvo_priv), cmd);
79e53945 365 for (i = 0; i < args_len; i++)
342dc382 366 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
79e53945 367 for (; i < 8; i++)
342dc382 368 DRM_LOG_KMS(" ");
79e53945
JB		 369 for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) {
370 if (cmd == sdvo_cmd_names[i].cmd) {
342dc382 371 DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
79e53945
JB		 372 break;
373 }
374 }
375 if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0]))
342dc382 376 DRM_LOG_KMS("(%02X)", cmd);
377 DRM_LOG_KMS("\n");
79e53945 378}
79e53945
JB		 379
380static void intel_sdvo_write_cmd(struct intel_output *intel_output, u8 cmd,
381 void *args, int args_len)
382{
383 int i;
384
385 intel_sdvo_debug_write(intel_output, cmd, args, args_len);
386
387 for (i = 0; i < args_len; i++) {
388 intel_sdvo_write_byte(intel_output, SDVO_I2C_ARG_0 - i,
389 ((u8*)args)[i]);
390 }
391
392 intel_sdvo_write_byte(intel_output, SDVO_I2C_OPCODE, cmd);
393}
394
79e53945
JB		 395static const char *cmd_status_names[] = {
396 "Power on",
397 "Success",
398 "Not supported",
399 "Invalid arg",
400 "Pending",
401 "Target not specified",
402 "Scaling not supported"
403};
404
405static void intel_sdvo_debug_response(struct intel_output *intel_output,
406 void *response, int response_len,
407 u8 status)
408{
409 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
33b52961 410 int i;
79e53945 411
8a4c47f3 412 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(sdvo_priv));
79e53945 413 for (i = 0; i < response_len; i++)
342dc382 414 DRM_LOG_KMS("%02X ", ((u8 *)response)[i]);
79e53945 415 for (; i < 8; i++)
342dc382 416 DRM_LOG_KMS(" ");
79e53945 417 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
342dc382 418 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
79e53945 419 else
342dc382 420 DRM_LOG_KMS("(??? %d)", status);
421 DRM_LOG_KMS("\n");
79e53945 422}
79e53945
JB		 423
424static u8 intel_sdvo_read_response(struct intel_output *intel_output,
425 void *response, int response_len)
426{
427 int i;
428 u8 status;
429 u8 retry = 50;
430
431 while (retry--) {
432 /* Read the command response */
433 for (i = 0; i < response_len; i++) {
434 intel_sdvo_read_byte(intel_output,
435 SDVO_I2C_RETURN_0 + i,
436 &((u8 *)response)[i]);
437 }
438
439 /* read the return status */
440 intel_sdvo_read_byte(intel_output, SDVO_I2C_CMD_STATUS,
441 &status);
442
443 intel_sdvo_debug_response(intel_output, response, response_len,
444 status);
445 if (status != SDVO_CMD_STATUS_PENDING)
446 return status;
447
448 mdelay(50);
449 }
450
451 return status;
452}
453
b358d0a6 454static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
79e53945
JB		 455{
456 if (mode->clock >= 100000)
457 return 1;
458 else if (mode->clock >= 50000)
459 return 2;
460 else
461 return 4;
462}
463
464/**
465 * Don't check status code from this as it switches the bus back to the
466 * SDVO chips which defeats the purpose of doing a bus switch in the first
467 * place.
468 */
b358d0a6
HE		 469static void intel_sdvo_set_control_bus_switch(struct intel_output *intel_output,
470 u8 target)
79e53945
JB		 471{
472 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CONTROL_BUS_SWITCH, &target, 1);
473}
474
475static bool intel_sdvo_set_target_input(struct intel_output *intel_output, bool target_0, bool target_1)
476{
477 struct intel_sdvo_set_target_input_args targets = {0};
478 u8 status;
479
480 if (target_0 && target_1)
481 return SDVO_CMD_STATUS_NOTSUPP;
482
483 if (target_1)
484 targets.target_1 = 1;
485
486 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_INPUT, &targets,
487 sizeof(targets));
488
489 status = intel_sdvo_read_response(intel_output, NULL, 0);
490
491 return (status == SDVO_CMD_STATUS_SUCCESS);
492}
493
494/**
495 * Return whether each input is trained.
496 *
497 * This function is making an assumption about the layout of the response,
498 * which should be checked against the docs.
499 */
500static bool intel_sdvo_get_trained_inputs(struct intel_output *intel_output, bool *input_1, bool *input_2)
501{
502 struct intel_sdvo_get_trained_inputs_response response;
503 u8 status;
504
505 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_TRAINED_INPUTS, NULL, 0);
506 status = intel_sdvo_read_response(intel_output, &response, sizeof(response));
507 if (status != SDVO_CMD_STATUS_SUCCESS)
508 return false;
509
510 *input_1 = response.input0_trained;
511 *input_2 = response.input1_trained;
512 return true;
513}
514
515static bool intel_sdvo_get_active_outputs(struct intel_output *intel_output,
516 u16 *outputs)
517{
518 u8 status;
519
520 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS, NULL, 0);
521 status = intel_sdvo_read_response(intel_output, outputs, sizeof(*outputs));
522
523 return (status == SDVO_CMD_STATUS_SUCCESS);
524}
525
526static bool intel_sdvo_set_active_outputs(struct intel_output *intel_output,
527 u16 outputs)
528{
529 u8 status;
530
531 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS, &outputs,
532 sizeof(outputs));
533 status = intel_sdvo_read_response(intel_output, NULL, 0);
534 return (status == SDVO_CMD_STATUS_SUCCESS);
535}
536
537static bool intel_sdvo_set_encoder_power_state(struct intel_output *intel_output,
538 int mode)
539{
540 u8 status, state = SDVO_ENCODER_STATE_ON;
541
542 switch (mode) {
543 case DRM_MODE_DPMS_ON:
544 state = SDVO_ENCODER_STATE_ON;
545 break;
546 case DRM_MODE_DPMS_STANDBY:
547 state = SDVO_ENCODER_STATE_STANDBY;
548 break;
549 case DRM_MODE_DPMS_SUSPEND:
550 state = SDVO_ENCODER_STATE_SUSPEND;
551 break;
552 case DRM_MODE_DPMS_OFF:
553 state = SDVO_ENCODER_STATE_OFF;
554 break;
555 }
556
557 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
558 sizeof(state));
559 status = intel_sdvo_read_response(intel_output, NULL, 0);
560
561 return (status == SDVO_CMD_STATUS_SUCCESS);
562}
563
564static bool intel_sdvo_get_input_pixel_clock_range(struct intel_output *intel_output,
565 int *clock_min,
566 int *clock_max)
567{
568 struct intel_sdvo_pixel_clock_range clocks;
569 u8 status;
570
571 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
572 NULL, 0);
573
574 status = intel_sdvo_read_response(intel_output, &clocks, sizeof(clocks));
575
576 if (status != SDVO_CMD_STATUS_SUCCESS)
577 return false;
578
579 /* Convert the values from units of 10 kHz to kHz. */
580 *clock_min = clocks.min * 10;
581 *clock_max = clocks.max * 10;
582
583 return true;
584}
585
586static bool intel_sdvo_set_target_output(struct intel_output *intel_output,
587 u16 outputs)
588{
589 u8 status;
590
591 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_TARGET_OUTPUT, &outputs,
592 sizeof(outputs));
593
594 status = intel_sdvo_read_response(intel_output, NULL, 0);
595 return (status == SDVO_CMD_STATUS_SUCCESS);
596}
597
598static bool intel_sdvo_get_timing(struct intel_output *intel_output, u8 cmd,
599 struct intel_sdvo_dtd *dtd)
600{
601 u8 status;
602
603 intel_sdvo_write_cmd(intel_output, cmd, NULL, 0);
604 status = intel_sdvo_read_response(intel_output, &dtd->part1,
605 sizeof(dtd->part1));
606 if (status != SDVO_CMD_STATUS_SUCCESS)
607 return false;
608
609 intel_sdvo_write_cmd(intel_output, cmd + 1, NULL, 0);
610 status = intel_sdvo_read_response(intel_output, &dtd->part2,
611 sizeof(dtd->part2));
612 if (status != SDVO_CMD_STATUS_SUCCESS)
613 return false;
614
615 return true;
616}
617
618static bool intel_sdvo_get_input_timing(struct intel_output *intel_output,
619 struct intel_sdvo_dtd *dtd)
620{
621 return intel_sdvo_get_timing(intel_output,
622 SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
623}
624
625static bool intel_sdvo_get_output_timing(struct intel_output *intel_output,
626 struct intel_sdvo_dtd *dtd)
627{
628 return intel_sdvo_get_timing(intel_output,
629 SDVO_CMD_GET_OUTPUT_TIMINGS_PART1, dtd);
630}
631
632static bool intel_sdvo_set_timing(struct intel_output *intel_output, u8 cmd,
633 struct intel_sdvo_dtd *dtd)
634{
635 u8 status;
636
637 intel_sdvo_write_cmd(intel_output, cmd, &dtd->part1, sizeof(dtd->part1));
638 status = intel_sdvo_read_response(intel_output, NULL, 0);
639 if (status != SDVO_CMD_STATUS_SUCCESS)
640 return false;
641
642 intel_sdvo_write_cmd(intel_output, cmd + 1, &dtd->part2, sizeof(dtd->part2));
643 status = intel_sdvo_read_response(intel_output, NULL, 0);
644 if (status != SDVO_CMD_STATUS_SUCCESS)
645 return false;
646
647 return true;
648}
649
650static bool intel_sdvo_set_input_timing(struct intel_output *intel_output,
651 struct intel_sdvo_dtd *dtd)
652{
653 return intel_sdvo_set_timing(intel_output,
654 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
655}
656
657static bool intel_sdvo_set_output_timing(struct intel_output *intel_output,
658 struct intel_sdvo_dtd *dtd)
659{
660 return intel_sdvo_set_timing(intel_output,
661 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
662}
663
e2f0ba97
JB		 664static bool
665intel_sdvo_create_preferred_input_timing(struct intel_output *output,
666 uint16_t clock,
667 uint16_t width,
668 uint16_t height)
669{
670 struct intel_sdvo_preferred_input_timing_args args;
12682a97 671 struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
e2f0ba97
JB		 672 uint8_t status;
673
e642c6f1 674 memset(&args, 0, sizeof(args));
e2f0ba97
JB		 675 args.clock = clock;
676 args.width = width;
677 args.height = height;
e642c6f1 678 args.interlace = 0;
12682a97 679
680 if (sdvo_priv->is_lvds &&
681 (sdvo_priv->sdvo_lvds_fixed_mode->hdisplay != width ||
682 sdvo_priv->sdvo_lvds_fixed_mode->vdisplay != height))
683 args.scaled = 1;
684
e2f0ba97
JB		 685 intel_sdvo_write_cmd(output, SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
686 &args, sizeof(args));
687 status = intel_sdvo_read_response(output, NULL, 0);
688 if (status != SDVO_CMD_STATUS_SUCCESS)
689 return false;
690
691 return true;
692}
693
694static bool intel_sdvo_get_preferred_input_timing(struct intel_output *output,
695 struct intel_sdvo_dtd *dtd)
696{
697 bool status;
698
699 intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
700 NULL, 0);
701
702 status = intel_sdvo_read_response(output, &dtd->part1,
703 sizeof(dtd->part1));
704 if (status != SDVO_CMD_STATUS_SUCCESS)
705 return false;
706
707 intel_sdvo_write_cmd(output, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
708 NULL, 0);
709
710 status = intel_sdvo_read_response(output, &dtd->part2,
711 sizeof(dtd->part2));
712 if (status != SDVO_CMD_STATUS_SUCCESS)
713 return false;
714
715 return false;
716}
79e53945
JB		 717
718static int intel_sdvo_get_clock_rate_mult(struct intel_output *intel_output)
719{
720 u8 response, status;
721
722 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_CLOCK_RATE_MULT, NULL, 0);
723 status = intel_sdvo_read_response(intel_output, &response, 1);
724
725 if (status != SDVO_CMD_STATUS_SUCCESS) {
8a4c47f3 726 DRM_DEBUG_KMS("Couldn't get SDVO clock rate multiplier\n");
79e53945
JB		 727 return SDVO_CLOCK_RATE_MULT_1X;
728 } else {
8a4c47f3 729 DRM_DEBUG_KMS("Current clock rate multiplier: %d\n", response);
79e53945
JB		 730 }
731
732 return response;
733}
734
735static bool intel_sdvo_set_clock_rate_mult(struct intel_output *intel_output, u8 val)
736{
737 u8 status;
738
739 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
740 status = intel_sdvo_read_response(intel_output, NULL, 0);
741 if (status != SDVO_CMD_STATUS_SUCCESS)
742 return false;
743
744 return true;
745}
746
e2f0ba97
JB		 747static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
748 struct drm_display_mode *mode)
79e53945 749{
e2f0ba97
JB		 750 uint16_t width, height;
751 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
752 uint16_t h_sync_offset, v_sync_offset;
79e53945
JB		 753
754 width = mode->crtc_hdisplay;
755 height = mode->crtc_vdisplay;
756
757 /* do some mode translations */
758 h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
759 h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
760
761 v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
762 v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
763
764 h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
765 v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
766
e2f0ba97
JB		 767 dtd->part1.clock = mode->clock / 10;
768 dtd->part1.h_active = width & 0xff;
769 dtd->part1.h_blank = h_blank_len & 0xff;
770 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
79e53945 771 ((h_blank_len >> 8) & 0xf);
e2f0ba97
JB		 772 dtd->part1.v_active = height & 0xff;
773 dtd->part1.v_blank = v_blank_len & 0xff;
774 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
79e53945
JB		 775 ((v_blank_len >> 8) & 0xf);
776
171a9e96 777 dtd->part2.h_sync_off = h_sync_offset & 0xff;
e2f0ba97
JB		 778 dtd->part2.h_sync_width = h_sync_len & 0xff;
779 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
79e53945 780 (v_sync_len & 0xf);
e2f0ba97 781 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
79e53945
JB		 782 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
783 ((v_sync_len & 0x30) >> 4);
784
e2f0ba97 785 dtd->part2.dtd_flags = 0x18;
79e53945 786 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
e2f0ba97 787 dtd->part2.dtd_flags |= 0x2;
79e53945 788 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
e2f0ba97
JB		 789 dtd->part2.dtd_flags |= 0x4;
790
791 dtd->part2.sdvo_flags = 0;
792 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
793 dtd->part2.reserved = 0;
794}
795
796static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
797 struct intel_sdvo_dtd *dtd)
798{
e2f0ba97
JB		 799 mode->hdisplay = dtd->part1.h_active;
800 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
801 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
171a9e96 802 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
e2f0ba97
JB		 803 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
804 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
805 mode->htotal = mode->hdisplay + dtd->part1.h_blank;
806 mode->htotal += (dtd->part1.h_high & 0xf) << 8;
807
808 mode->vdisplay = dtd->part1.v_active;
809 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
810 mode->vsync_start = mode->vdisplay;
811 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
171a9e96 812 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
e2f0ba97
JB		 813 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
814 mode->vsync_end = mode->vsync_start +
815 (dtd->part2.v_sync_off_width & 0xf);
816 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
817 mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
818 mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
819
820 mode->clock = dtd->part1.clock * 10;
821
171a9e96 822 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
e2f0ba97
JB		 823 if (dtd->part2.dtd_flags & 0x2)
824 mode->flags |= DRM_MODE_FLAG_PHSYNC;
825 if (dtd->part2.dtd_flags & 0x4)
826 mode->flags |= DRM_MODE_FLAG_PVSYNC;
827}
828
829static bool intel_sdvo_get_supp_encode(struct intel_output *output,
830 struct intel_sdvo_encode *encode)
831{
832 uint8_t status;
833
834 intel_sdvo_write_cmd(output, SDVO_CMD_GET_SUPP_ENCODE, NULL, 0);
835 status = intel_sdvo_read_response(output, encode, sizeof(*encode));
836 if (status != SDVO_CMD_STATUS_SUCCESS) { /* non-support means DVI */
837 memset(encode, 0, sizeof(*encode));
838 return false;
839 }
840
841 return true;
842}
843
844static bool intel_sdvo_set_encode(struct intel_output *output, uint8_t mode)
845{
846 uint8_t status;
847
848 intel_sdvo_write_cmd(output, SDVO_CMD_SET_ENCODE, &mode, 1);
849 status = intel_sdvo_read_response(output, NULL, 0);
850
851 return (status == SDVO_CMD_STATUS_SUCCESS);
852}
853
854static bool intel_sdvo_set_colorimetry(struct intel_output *output,
855 uint8_t mode)
856{
857 uint8_t status;
858
859 intel_sdvo_write_cmd(output, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
860 status = intel_sdvo_read_response(output, NULL, 0);
861
862 return (status == SDVO_CMD_STATUS_SUCCESS);
863}
864
865#if 0
866static void intel_sdvo_dump_hdmi_buf(struct intel_output *output)
867{
868 int i, j;
869 uint8_t set_buf_index[2];
870 uint8_t av_split;
871 uint8_t buf_size;
872 uint8_t buf[48];
873 uint8_t *pos;
874
875 intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_AV_SPLIT, NULL, 0);
876 intel_sdvo_read_response(output, &av_split, 1);
877
878 for (i = 0; i <= av_split; i++) {
879 set_buf_index[0] = i; set_buf_index[1] = 0;
880 intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_INDEX,
881 set_buf_index, 2);
882 intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
883 intel_sdvo_read_response(output, &buf_size, 1);
884
885 pos = buf;
886 for (j = 0; j <= buf_size; j += 8) {
887 intel_sdvo_write_cmd(output, SDVO_CMD_GET_HBUF_DATA,
888 NULL, 0);
889 intel_sdvo_read_response(output, pos, 8);
890 pos += 8;
891 }
892 }
893}
894#endif
895
896static void intel_sdvo_set_hdmi_buf(struct intel_output *output, int index,
897 uint8_t *data, int8_t size, uint8_t tx_rate)
898{
899 uint8_t set_buf_index[2];
900
901 set_buf_index[0] = index;
902 set_buf_index[1] = 0;
903
904 intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_INDEX, set_buf_index, 2);
905
906 for (; size > 0; size -= 8) {
907 intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_DATA, data, 8);
908 data += 8;
909 }
910
911 intel_sdvo_write_cmd(output, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1);
912}
913
914static uint8_t intel_sdvo_calc_hbuf_csum(uint8_t *data, uint8_t size)
915{
916 uint8_t csum = 0;
917 int i;
918
919 for (i = 0; i < size; i++)
920 csum += data[i];
921
922 return 0x100 - csum;
923}
924
925#define DIP_TYPE_AVI 0x82
926#define DIP_VERSION_AVI 0x2
927#define DIP_LEN_AVI 13
928
929struct dip_infoframe {
930 uint8_t type;
931 uint8_t version;
932 uint8_t len;
933 uint8_t checksum;
934 union {
935 struct {
936 /* Packet Byte #1 */
937 uint8_t S:2;
938 uint8_t B:2;
939 uint8_t A:1;
940 uint8_t Y:2;
941 uint8_t rsvd1:1;
942 /* Packet Byte #2 */
943 uint8_t R:4;
944 uint8_t M:2;
945 uint8_t C:2;
946 /* Packet Byte #3 */
947 uint8_t SC:2;
948 uint8_t Q:2;
949 uint8_t EC:3;
950 uint8_t ITC:1;
951 /* Packet Byte #4 */
952 uint8_t VIC:7;
953 uint8_t rsvd2:1;
954 /* Packet Byte #5 */
955 uint8_t PR:4;
956 uint8_t rsvd3:4;
957 /* Packet Byte #6~13 */
958 uint16_t top_bar_end;
959 uint16_t bottom_bar_start;
960 uint16_t left_bar_end;
961 uint16_t right_bar_start;
962 } avi;
963 struct {
964 /* Packet Byte #1 */
965 uint8_t channel_count:3;
966 uint8_t rsvd1:1;
967 uint8_t coding_type:4;
968 /* Packet Byte #2 */
969 uint8_t sample_size:2; /* SS0, SS1 */
970 uint8_t sample_frequency:3;
971 uint8_t rsvd2:3;
972 /* Packet Byte #3 */
973 uint8_t coding_type_private:5;
974 uint8_t rsvd3:3;
975 /* Packet Byte #4 */
976 uint8_t channel_allocation;
977 /* Packet Byte #5 */
978 uint8_t rsvd4:3;
979 uint8_t level_shift:4;
980 uint8_t downmix_inhibit:1;
981 } audio;
982 uint8_t payload[28];
983 } __attribute__ ((packed)) u;
984} __attribute__((packed));
985
986static void intel_sdvo_set_avi_infoframe(struct intel_output *output,
987 struct drm_display_mode * mode)
988{
989 struct dip_infoframe avi_if = {
990 .type = DIP_TYPE_AVI,
991 .version = DIP_VERSION_AVI,
992 .len = DIP_LEN_AVI,
993 };
994
995 avi_if.checksum = intel_sdvo_calc_hbuf_csum((uint8_t *)&avi_if,
996 4 + avi_if.len);
997 intel_sdvo_set_hdmi_buf(output, 1, (uint8_t *)&avi_if, 4 + avi_if.len,
998 SDVO_HBUF_TX_VSYNC);
999}
1000
7026d4ac
ZW		 1001static void intel_sdvo_set_tv_format(struct intel_output *output)
1002{
ce6feabd
ZY		 1003
1004 struct intel_sdvo_tv_format format;
7026d4ac 1005 struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
ce6feabd
ZY		 1006 uint32_t format_map, i;
1007 uint8_t status;
7026d4ac 1008
ce6feabd
ZY		 1009 for (i = 0; i < TV_FORMAT_NUM; i++)
1010 if (tv_format_names[i] == sdvo_priv->tv_format_name)
1011 break;
1012
1013 format_map = 1 << i;
1014 memset(&format, 0, sizeof(format));
1015 memcpy(&format, &format_map, sizeof(format_map) > sizeof(format) ?
1016 sizeof(format) : sizeof(format_map));
1017
1018 intel_sdvo_write_cmd(output, SDVO_CMD_SET_TV_FORMAT, &format_map,
1019 sizeof(format));
1020
1021 status = intel_sdvo_read_response(output, NULL, 0);
1022 if (status != SDVO_CMD_STATUS_SUCCESS)
b9219c5e 1023 DRM_DEBUG_KMS("%s: Failed to set TV format\n",
ce6feabd 1024 SDVO_NAME(sdvo_priv));
7026d4ac
ZW		 1025}
1026
e2f0ba97
JB		 1027static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
1028 struct drm_display_mode *mode,
1029 struct drm_display_mode *adjusted_mode)
1030{
1031 struct intel_output *output = enc_to_intel_output(encoder);
1032 struct intel_sdvo_priv *dev_priv = output->dev_priv;
79e53945 1033
12682a97 1034 if (dev_priv->is_tv) {
e2f0ba97
JB		 1035 struct intel_sdvo_dtd output_dtd;
1036 bool success;
1037
1038 /* We need to construct preferred input timings based on our
1039 * output timings. To do that, we have to set the output
1040 * timings, even though this isn't really the right place in
1041 * the sequence to do it. Oh well.
1042 */
1043
1044
1045 /* Set output timings */
1046 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1047 intel_sdvo_set_target_output(output,
1048 dev_priv->controlled_output);
1049 intel_sdvo_set_output_timing(output, &output_dtd);
1050
1051 /* Set the input timing to the screen. Assume always input 0. */
1052 intel_sdvo_set_target_input(output, true, false);
1053
1054
1055 success = intel_sdvo_create_preferred_input_timing(output,
1056 mode->clock / 10,
1057 mode->hdisplay,
1058 mode->vdisplay);
1059 if (success) {
1060 struct intel_sdvo_dtd input_dtd;
79e53945 1061
e2f0ba97
JB		 1062 intel_sdvo_get_preferred_input_timing(output,
1063 &input_dtd);
1064 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
12682a97 1065 dev_priv->sdvo_flags = input_dtd.part2.sdvo_flags;
1066
1067 drm_mode_set_crtcinfo(adjusted_mode, 0);
1068
1069 mode->clock = adjusted_mode->clock;
1070
1071 adjusted_mode->clock *=
1072 intel_sdvo_get_pixel_multiplier(mode);
1073 } else {
1074 return false;
1075 }
1076 } else if (dev_priv->is_lvds) {
1077 struct intel_sdvo_dtd output_dtd;
1078 bool success;
1079
1080 drm_mode_set_crtcinfo(dev_priv->sdvo_lvds_fixed_mode, 0);
1081 /* Set output timings */
1082 intel_sdvo_get_dtd_from_mode(&output_dtd,
1083 dev_priv->sdvo_lvds_fixed_mode);
1084
1085 intel_sdvo_set_target_output(output,
1086 dev_priv->controlled_output);
1087 intel_sdvo_set_output_timing(output, &output_dtd);
1088
1089 /* Set the input timing to the screen. Assume always input 0. */
1090 intel_sdvo_set_target_input(output, true, false);
1091
1092
1093 success = intel_sdvo_create_preferred_input_timing(
1094 output,
1095 mode->clock / 10,
1096 mode->hdisplay,
1097 mode->vdisplay);
1098
1099 if (success) {
1100 struct intel_sdvo_dtd input_dtd;
1101
1102 intel_sdvo_get_preferred_input_timing(output,
1103 &input_dtd);
1104 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
1105 dev_priv->sdvo_flags = input_dtd.part2.sdvo_flags;
e2f0ba97 1106
7026d4ac
ZW		 1107 drm_mode_set_crtcinfo(adjusted_mode, 0);
1108
1109 mode->clock = adjusted_mode->clock;
1110
1111 adjusted_mode->clock *=
1112 intel_sdvo_get_pixel_multiplier(mode);
e2f0ba97
JB		 1113 } else {
1114 return false;
1115 }
12682a97 1116
1117 } else {
1118 /* Make the CRTC code factor in the SDVO pixel multiplier. The
1119 * SDVO device will be told of the multiplier during mode_set.
1120 */
1121 adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode);
e2f0ba97
JB		 1122 }
1123 return true;
1124}
1125
1126static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1127 struct drm_display_mode *mode,
1128 struct drm_display_mode *adjusted_mode)
1129{
1130 struct drm_device *dev = encoder->dev;
1131 struct drm_i915_private *dev_priv = dev->dev_private;
1132 struct drm_crtc *crtc = encoder->crtc;
1133 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1134 struct intel_output *output = enc_to_intel_output(encoder);
1135 struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1136 u32 sdvox = 0;
1137 int sdvo_pixel_multiply;
1138 struct intel_sdvo_in_out_map in_out;
1139 struct intel_sdvo_dtd input_dtd;
1140 u8 status;
1141
1142 if (!mode)
1143 return;
1144
1145 /* First, set the input mapping for the first input to our controlled
1146 * output. This is only correct if we're a single-input device, in
1147 * which case the first input is the output from the appropriate SDVO
1148 * channel on the motherboard. In a two-input device, the first input
1149 * will be SDVOB and the second SDVOC.
1150 */
1151 in_out.in0 = sdvo_priv->controlled_output;
1152 in_out.in1 = 0;
1153
1154 intel_sdvo_write_cmd(output, SDVO_CMD_SET_IN_OUT_MAP,
1155 &in_out, sizeof(in_out));
1156 status = intel_sdvo_read_response(output, NULL, 0);
1157
1158 if (sdvo_priv->is_hdmi) {
1159 intel_sdvo_set_avi_infoframe(output, mode);
1160 sdvox |= SDVO_AUDIO_ENABLE;
1161 }
1162
7026d4ac
ZW		 1163 /* We have tried to get input timing in mode_fixup, and filled into
1164 adjusted_mode */
12682a97 1165 if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
7026d4ac 1166 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
12682a97 1167 input_dtd.part2.sdvo_flags = sdvo_priv->sdvo_flags;
1168 } else
7026d4ac 1169 intel_sdvo_get_dtd_from_mode(&input_dtd, mode);
e2f0ba97
JB		 1170
1171 /* If it's a TV, we already set the output timing in mode_fixup.
1172 * Otherwise, the output timing is equal to the input timing.
1173 */
12682a97 1174 if (!sdvo_priv->is_tv && !sdvo_priv->is_lvds) {
e2f0ba97
JB		 1175 /* Set the output timing to the screen */
1176 intel_sdvo_set_target_output(output,
1177 sdvo_priv->controlled_output);
1178 intel_sdvo_set_output_timing(output, &input_dtd);
1179 }
79e53945
JB		 1180
1181 /* Set the input timing to the screen. Assume always input 0. */
e2f0ba97 1182 intel_sdvo_set_target_input(output, true, false);
79e53945 1183
7026d4ac
ZW		 1184 if (sdvo_priv->is_tv)
1185 intel_sdvo_set_tv_format(output);
1186
e2f0ba97 1187 /* We would like to use intel_sdvo_create_preferred_input_timing() to
79e53945
JB		 1188 * provide the device with a timing it can support, if it supports that
1189 * feature. However, presumably we would need to adjust the CRTC to
1190 * output the preferred timing, and we don't support that currently.
1191 */
e2f0ba97
JB		 1192#if 0
1193 success = intel_sdvo_create_preferred_input_timing(output, clock,
1194 width, height);
1195 if (success) {
1196 struct intel_sdvo_dtd *input_dtd;
1197
1198 intel_sdvo_get_preferred_input_timing(output, &input_dtd);
1199 intel_sdvo_set_input_timing(output, &input_dtd);
1200 }
1201#else
1202 intel_sdvo_set_input_timing(output, &input_dtd);
1203#endif
79e53945
JB		 1204
1205 switch (intel_sdvo_get_pixel_multiplier(mode)) {
1206 case 1:
e2f0ba97 1207 intel_sdvo_set_clock_rate_mult(output,
79e53945
JB		 1208 SDVO_CLOCK_RATE_MULT_1X);
1209 break;
1210 case 2:
e2f0ba97 1211 intel_sdvo_set_clock_rate_mult(output,
79e53945
JB		 1212 SDVO_CLOCK_RATE_MULT_2X);
1213 break;
1214 case 4:
e2f0ba97 1215 intel_sdvo_set_clock_rate_mult(output,
79e53945
JB		 1216 SDVO_CLOCK_RATE_MULT_4X);
1217 break;
1218 }
1219
1220 /* Set the SDVO control regs. */
e2f0ba97
JB		 1221 if (IS_I965G(dev)) {
1222 sdvox |= SDVO_BORDER_ENABLE |
1223 SDVO_VSYNC_ACTIVE_HIGH |
1224 SDVO_HSYNC_ACTIVE_HIGH;
1225 } else {
1226 sdvox |= I915_READ(sdvo_priv->output_device);
1227 switch (sdvo_priv->output_device) {
1228 case SDVOB:
1229 sdvox &= SDVOB_PRESERVE_MASK;
1230 break;
1231 case SDVOC:
1232 sdvox &= SDVOC_PRESERVE_MASK;
1233 break;
1234 }
1235 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1236 }
79e53945
JB		 1237 if (intel_crtc->pipe == 1)
1238 sdvox |= SDVO_PIPE_B_SELECT;
1239
1240 sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode);
1241 if (IS_I965G(dev)) {
e2f0ba97
JB		 1242 /* done in crtc_mode_set as the dpll_md reg must be written early */
1243 } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1244 /* done in crtc_mode_set as it lives inside the dpll register */
79e53945
JB		 1245 } else {
1246 sdvox |= (sdvo_pixel_multiply - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1247 }
1248
12682a97 1249 if (sdvo_priv->sdvo_flags & SDVO_NEED_TO_STALL)
1250 sdvox |= SDVO_STALL_SELECT;
e2f0ba97 1251 intel_sdvo_write_sdvox(output, sdvox);
79e53945
JB		 1252}
1253
1254static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1255{
1256 struct drm_device *dev = encoder->dev;
1257 struct drm_i915_private *dev_priv = dev->dev_private;
1258 struct intel_output *intel_output = enc_to_intel_output(encoder);
1259 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1260 u32 temp;
1261
1262 if (mode != DRM_MODE_DPMS_ON) {
1263 intel_sdvo_set_active_outputs(intel_output, 0);
1264 if (0)
1265 intel_sdvo_set_encoder_power_state(intel_output, mode);
1266
1267 if (mode == DRM_MODE_DPMS_OFF) {
1268 temp = I915_READ(sdvo_priv->output_device);
1269 if ((temp & SDVO_ENABLE) != 0) {
1270 intel_sdvo_write_sdvox(intel_output, temp & ~SDVO_ENABLE);
1271 }
1272 }
1273 } else {
1274 bool input1, input2;
1275 int i;
1276 u8 status;
1277
1278 temp = I915_READ(sdvo_priv->output_device);
1279 if ((temp & SDVO_ENABLE) == 0)
1280 intel_sdvo_write_sdvox(intel_output, temp | SDVO_ENABLE);
1281 for (i = 0; i < 2; i++)
1282 intel_wait_for_vblank(dev);
1283
1284 status = intel_sdvo_get_trained_inputs(intel_output, &input1,
1285 &input2);
1286
1287
1288 /* Warn if the device reported failure to sync.
1289 * A lot of SDVO devices fail to notify of sync, but it's
1290 * a given it the status is a success, we succeeded.
1291 */
1292 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
8a4c47f3
ZY		 1293 DRM_DEBUG_KMS("First %s output reported failure to "
1294 "sync\n", SDVO_NAME(sdvo_priv));
79e53945
JB		 1295 }
1296
1297 if (0)
1298 intel_sdvo_set_encoder_power_state(intel_output, mode);
e2f0ba97 1299 intel_sdvo_set_active_outputs(intel_output, sdvo_priv->controlled_output);
79e53945
JB		 1300 }
1301 return;
1302}
1303
1304static void intel_sdvo_save(struct drm_connector *connector)
1305{
1306 struct drm_device *dev = connector->dev;
1307 struct drm_i915_private *dev_priv = dev->dev_private;
1308 struct intel_output *intel_output = to_intel_output(connector);
1309 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1310 int o;
1311
1312 sdvo_priv->save_sdvo_mult = intel_sdvo_get_clock_rate_mult(intel_output);
1313 intel_sdvo_get_active_outputs(intel_output, &sdvo_priv->save_active_outputs);
1314
1315 if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
1316 intel_sdvo_set_target_input(intel_output, true, false);
1317 intel_sdvo_get_input_timing(intel_output,
1318 &sdvo_priv->save_input_dtd_1);
1319 }
1320
1321 if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
1322 intel_sdvo_set_target_input(intel_output, false, true);
1323 intel_sdvo_get_input_timing(intel_output,
1324 &sdvo_priv->save_input_dtd_2);
1325 }
1326
1327 for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
1328 {
1329 u16 this_output = (1 << o);
1330 if (sdvo_priv->caps.output_flags & this_output)
1331 {
1332 intel_sdvo_set_target_output(intel_output, this_output);
1333 intel_sdvo_get_output_timing(intel_output,
1334 &sdvo_priv->save_output_dtd[o]);
1335 }
1336 }
e2f0ba97
JB		 1337 if (sdvo_priv->is_tv) {
1338 /* XXX: Save TV format/enhancements. */
1339 }
79e53945
JB		 1340
1341 sdvo_priv->save_SDVOX = I915_READ(sdvo_priv->output_device);
1342}
1343
1344static void intel_sdvo_restore(struct drm_connector *connector)
1345{
1346 struct drm_device *dev = connector->dev;
79e53945
JB		 1347 struct intel_output *intel_output = to_intel_output(connector);
1348 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1349 int o;
1350 int i;
1351 bool input1, input2;
1352 u8 status;
1353
1354 intel_sdvo_set_active_outputs(intel_output, 0);
1355
1356 for (o = SDVO_OUTPUT_FIRST; o <= SDVO_OUTPUT_LAST; o++)
1357 {
1358 u16 this_output = (1 << o);
1359 if (sdvo_priv->caps.output_flags & this_output) {
1360 intel_sdvo_set_target_output(intel_output, this_output);
1361 intel_sdvo_set_output_timing(intel_output, &sdvo_priv->save_output_dtd[o]);
1362 }
1363 }
1364
1365 if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
1366 intel_sdvo_set_target_input(intel_output, true, false);
1367 intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_1);
1368 }
1369
1370 if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
1371 intel_sdvo_set_target_input(intel_output, false, true);
1372 intel_sdvo_set_input_timing(intel_output, &sdvo_priv->save_input_dtd_2);
1373 }
1374
1375 intel_sdvo_set_clock_rate_mult(intel_output, sdvo_priv->save_sdvo_mult);
1376
e2f0ba97
JB		 1377 if (sdvo_priv->is_tv) {
1378 /* XXX: Restore TV format/enhancements. */
1379 }
1380
1381 intel_sdvo_write_sdvox(intel_output, sdvo_priv->save_SDVOX);
79e53945
JB		 1382
1383 if (sdvo_priv->save_SDVOX & SDVO_ENABLE)
1384 {
1385 for (i = 0; i < 2; i++)
1386 intel_wait_for_vblank(dev);
1387 status = intel_sdvo_get_trained_inputs(intel_output, &input1, &input2);
1388 if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
8a4c47f3
ZY		 1389 DRM_DEBUG_KMS("First %s output reported failure to "
1390 "sync\n", SDVO_NAME(sdvo_priv));
79e53945
JB		 1391 }
1392
1393 intel_sdvo_set_active_outputs(intel_output, sdvo_priv->save_active_outputs);
1394}
1395
1396static int intel_sdvo_mode_valid(struct drm_connector *connector,
1397 struct drm_display_mode *mode)
1398{
1399 struct intel_output *intel_output = to_intel_output(connector);
1400 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1401
1402 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1403 return MODE_NO_DBLESCAN;
1404
1405 if (sdvo_priv->pixel_clock_min > mode->clock)
1406 return MODE_CLOCK_LOW;
1407
1408 if (sdvo_priv->pixel_clock_max < mode->clock)
1409 return MODE_CLOCK_HIGH;
1410
12682a97 1411 if (sdvo_priv->is_lvds == true) {
1412 if (sdvo_priv->sdvo_lvds_fixed_mode == NULL)
1413 return MODE_PANEL;
1414
1415 if (mode->hdisplay > sdvo_priv->sdvo_lvds_fixed_mode->hdisplay)
1416 return MODE_PANEL;
1417
1418 if (mode->vdisplay > sdvo_priv->sdvo_lvds_fixed_mode->vdisplay)
1419 return MODE_PANEL;
1420 }
1421
79e53945
JB		 1422 return MODE_OK;
1423}
1424
1425static bool intel_sdvo_get_capabilities(struct intel_output *intel_output, struct intel_sdvo_caps *caps)
1426{
1427 u8 status;
1428
1429 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_DEVICE_CAPS, NULL, 0);
1430 status = intel_sdvo_read_response(intel_output, caps, sizeof(*caps));
1431 if (status != SDVO_CMD_STATUS_SUCCESS)
1432 return false;
1433
1434 return true;
1435}
1436
1437struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)
1438{
1439 struct drm_connector *connector = NULL;
1440 struct intel_output *iout = NULL;
1441 struct intel_sdvo_priv *sdvo;
1442
1443 /* find the sdvo connector */
1444 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1445 iout = to_intel_output(connector);
1446
1447 if (iout->type != INTEL_OUTPUT_SDVO)
1448 continue;
1449
1450 sdvo = iout->dev_priv;
1451
1452 if (sdvo->output_device == SDVOB && sdvoB)
1453 return connector;
1454
1455 if (sdvo->output_device == SDVOC && !sdvoB)
1456 return connector;
1457
1458 }
1459
1460 return NULL;
1461}
1462
1463int intel_sdvo_supports_hotplug(struct drm_connector *connector)
1464{
1465 u8 response[2];
1466 u8 status;
1467 struct intel_output *intel_output;
8a4c47f3 1468 DRM_DEBUG_KMS("\n");
79e53945
JB		 1469
1470 if (!connector)
1471 return 0;
1472
1473 intel_output = to_intel_output(connector);
1474
1475 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1476 status = intel_sdvo_read_response(intel_output, &response, 2);
1477
1478 if (response[0] !=0)
1479 return 1;
1480
1481 return 0;
1482}
1483
1484void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1485{
1486 u8 response[2];
1487 u8 status;
1488 struct intel_output *intel_output = to_intel_output(connector);
1489
1490 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1491 intel_sdvo_read_response(intel_output, &response, 2);
1492
1493 if (on) {
1494 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1495 status = intel_sdvo_read_response(intel_output, &response, 2);
1496
1497 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1498 } else {
1499 response[0] = 0;
1500 response[1] = 0;
1501 intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1502 }
1503
1504 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1505 intel_sdvo_read_response(intel_output, &response, 2);
1506}
1507
fb7a46f3 1508static bool
1509intel_sdvo_multifunc_encoder(struct intel_output *intel_output)
1510{
1511 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1512 int caps = 0;
1513
1514 if (sdvo_priv->caps.output_flags &
1515 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1516 caps++;
1517 if (sdvo_priv->caps.output_flags &
1518 (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
1519 caps++;
1520 if (sdvo_priv->caps.output_flags &
19e1f888 1521 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
fb7a46f3 1522 caps++;
1523 if (sdvo_priv->caps.output_flags &
1524 (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
1525 caps++;
1526 if (sdvo_priv->caps.output_flags &
1527 (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
1528 caps++;
1529
1530 if (sdvo_priv->caps.output_flags &
1531 (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
1532 caps++;
1533
1534 if (sdvo_priv->caps.output_flags &
1535 (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
1536 caps++;
1537
1538 return (caps > 1);
1539}
1540
57cdaf90
KP		 1541static struct drm_connector *
1542intel_find_analog_connector(struct drm_device *dev)
1543{
1544 struct drm_connector *connector;
1545 struct intel_output *intel_output;
1546
1547 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1548 intel_output = to_intel_output(connector);
1549 if (intel_output->type == INTEL_OUTPUT_ANALOG)
1550 return connector;
1551 }
1552 return NULL;
1553}
1554
1555static int
1556intel_analog_is_connected(struct drm_device *dev)
1557{
1558 struct drm_connector *analog_connector;
1559 analog_connector = intel_find_analog_connector(dev);
1560
1561 if (!analog_connector)
1562 return false;
1563
1564 if (analog_connector->funcs->detect(analog_connector) ==
1565 connector_status_disconnected)
1566 return false;
1567
1568 return true;
1569}
1570
2b8d33f7 1571enum drm_connector_status
1572intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
9dff6af8
ML		 1573{
1574 struct intel_output *intel_output = to_intel_output(connector);
1575 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2b8d33f7 1576 enum drm_connector_status status = connector_status_connected;
9dff6af8
ML		 1577 struct edid *edid = NULL;
1578
9dff6af8 1579 edid = drm_get_edid(&intel_output->base,
f9c10a9b 1580 intel_output->ddc_bus);
57cdaf90
KP		 1581
1582 /* when there is no edid and no monitor is connected with VGA
1583 * port, try to use the CRT ddc to read the EDID for DVI-connector
1584 */
1585 if (edid == NULL &&
1586 sdvo_priv->analog_ddc_bus &&
1587 !intel_analog_is_connected(intel_output->base.dev))
1588 edid = drm_get_edid(&intel_output->base,
1589 sdvo_priv->analog_ddc_bus);
9dff6af8 1590 if (edid != NULL) {
2b8d33f7 1591 /* Don't report the output as connected if it's a DVI-I
1592 * connector with a non-digital EDID coming out.
1593 */
1594 if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
1595 if (edid->input & DRM_EDID_INPUT_DIGITAL)
1596 sdvo_priv->is_hdmi =
1597 drm_detect_hdmi_monitor(edid);
1598 else
1599 status = connector_status_disconnected;
1600 }
1601
9dff6af8
ML		 1602 kfree(edid);
1603 intel_output->base.display_info.raw_edid = NULL;
2b8d33f7 1604
1605 } else if (response & (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
1606 status = connector_status_disconnected;
1607
1608 return status;
9dff6af8
ML		 1609}
1610
79e53945
JB		 1611static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)
1612{
fb7a46f3 1613 uint16_t response;
79e53945
JB		 1614 u8 status;
1615 struct intel_output *intel_output = to_intel_output(connector);
fb7a46f3 1616 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
79e53945 1617
ce6feabd
ZY		 1618 intel_sdvo_write_cmd(intel_output,
1619 SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
79e53945
JB		 1620 status = intel_sdvo_read_response(intel_output, &response, 2);
1621
51c8b407 1622 DRM_DEBUG_KMS("SDVO response %d %d\n", response & 0xff, response >> 8);
e2f0ba97
JB		 1623
1624 if (status != SDVO_CMD_STATUS_SUCCESS)
1625 return connector_status_unknown;
1626
fb7a46f3 1627 if (response == 0)
79e53945 1628 return connector_status_disconnected;
fb7a46f3 1629
1630 if (intel_sdvo_multifunc_encoder(intel_output) &&
1631 sdvo_priv->attached_output != response) {
1632 if (sdvo_priv->controlled_output != response &&
1633 intel_sdvo_output_setup(intel_output, response) != true)
1634 return connector_status_unknown;
1635 sdvo_priv->attached_output = response;
1636 }
2b8d33f7 1637 return intel_sdvo_hdmi_sink_detect(connector, response);
79e53945
JB		 1638}
1639
e2f0ba97 1640static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
79e53945
JB		 1641{
1642 struct intel_output *intel_output = to_intel_output(connector);
57cdaf90
KP		 1643 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1644 int num_modes;
79e53945
JB		 1645
1646 /* set the bus switch and get the modes */
57cdaf90 1647 num_modes = intel_ddc_get_modes(intel_output);
79e53945 1648
57cdaf90
KP		 1649 /*
1650 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1651 * link between analog and digital outputs. So, if the regular SDVO
1652 * DDC fails, check to see if the analog output is disconnected, in
1653 * which case we'll look there for the digital DDC data.
e2f0ba97 1654 */
57cdaf90
KP		 1655 if (num_modes == 0 &&
1656 sdvo_priv->analog_ddc_bus &&
1657 !intel_analog_is_connected(intel_output->base.dev)) {
1658 struct i2c_adapter *digital_ddc_bus;
e2f0ba97 1659
57cdaf90
KP		 1660 /* Switch to the analog ddc bus and try that
1661 */
1662 digital_ddc_bus = intel_output->ddc_bus;
1663 intel_output->ddc_bus = sdvo_priv->analog_ddc_bus;
e2f0ba97 1664
57cdaf90 1665 (void) intel_ddc_get_modes(intel_output);
e2f0ba97 1666
57cdaf90 1667 intel_output->ddc_bus = digital_ddc_bus;
e2f0ba97 1668 }
e2f0ba97
JB		 1669}
1670
1671/*
1672 * Set of SDVO TV modes.
1673 * Note! This is in reply order (see loop in get_tv_modes).
1674 * XXX: all 60Hz refresh?
1675 */
1676struct drm_display_mode sdvo_tv_modes[] = {
7026d4ac
ZW		 1677 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1678 416, 0, 200, 201, 232, 233, 0,
e2f0ba97 1679 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1680 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1681 416, 0, 240, 241, 272, 273, 0,
e2f0ba97 1682 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1683 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1684 496, 0, 300, 301, 332, 333, 0,
e2f0ba97 1685 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1686 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1687 736, 0, 350, 351, 382, 383, 0,
e2f0ba97 1688 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1689 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1690 736, 0, 400, 401, 432, 433, 0,
e2f0ba97 1691 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1692 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1693 736, 0, 480, 481, 512, 513, 0,
e2f0ba97 1694 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1695 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1696 800, 0, 480, 481, 512, 513, 0,
e2f0ba97 1697 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1698 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1699 800, 0, 576, 577, 608, 609, 0,
e2f0ba97 1700 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1701 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1702 816, 0, 350, 351, 382, 383, 0,
e2f0ba97 1703 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1704 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1705 816, 0, 400, 401, 432, 433, 0,
e2f0ba97 1706 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1707 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1708 816, 0, 480, 481, 512, 513, 0,
e2f0ba97 1709 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1710 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1711 816, 0, 540, 541, 572, 573, 0,
e2f0ba97 1712 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1713 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1714 816, 0, 576, 577, 608, 609, 0,
e2f0ba97 1715 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1716 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1717 864, 0, 576, 577, 608, 609, 0,
e2f0ba97 1718 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1719 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1720 896, 0, 600, 601, 632, 633, 0,
e2f0ba97 1721 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1722 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1723 928, 0, 624, 625, 656, 657, 0,
e2f0ba97 1724 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1725 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1726 1016, 0, 766, 767, 798, 799, 0,
e2f0ba97 1727 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1728 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1729 1120, 0, 768, 769, 800, 801, 0,
e2f0ba97 1730 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
7026d4ac
ZW		 1731 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1732 1376, 0, 1024, 1025, 1056, 1057, 0,
e2f0ba97
JB		 1733 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1734};
1735
1736static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1737{
1738 struct intel_output *output = to_intel_output(connector);
7026d4ac
ZW		 1739 struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1740 struct intel_sdvo_sdtv_resolution_request tv_res;
ce6feabd
ZY		 1741 uint32_t reply = 0, format_map = 0;
1742 int i;
e2f0ba97 1743 uint8_t status;
e2f0ba97 1744
e2f0ba97
JB		 1745
1746 /* Read the list of supported input resolutions for the selected TV
1747 * format.
1748 */
ce6feabd
ZY		 1749 for (i = 0; i < TV_FORMAT_NUM; i++)
1750 if (tv_format_names[i] == sdvo_priv->tv_format_name)
1751 break;
1752
1753 format_map = (1 << i);
1754 memcpy(&tv_res, &format_map,
1755 sizeof(struct intel_sdvo_sdtv_resolution_request) >
1756 sizeof(format_map) ? sizeof(format_map) :
1757 sizeof(struct intel_sdvo_sdtv_resolution_request));
1758
1759 intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
1760
e2f0ba97 1761 intel_sdvo_write_cmd(output, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
7026d4ac 1762 &tv_res, sizeof(tv_res));
e2f0ba97
JB		 1763 status = intel_sdvo_read_response(output, &reply, 3);
1764 if (status != SDVO_CMD_STATUS_SUCCESS)
1765 return;
1766
1767 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
7026d4ac
ZW		 1768 if (reply & (1 << i)) {
1769 struct drm_display_mode *nmode;
1770 nmode = drm_mode_duplicate(connector->dev,
1771 &sdvo_tv_modes[i]);
1772 if (nmode)
1773 drm_mode_probed_add(connector, nmode);
1774 }
ce6feabd 1775
e2f0ba97
JB		 1776}
1777
7086c87f
ML		 1778static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1779{
1780 struct intel_output *intel_output = to_intel_output(connector);
7086c87f 1781 struct drm_i915_private *dev_priv = connector->dev->dev_private;
12682a97 1782 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1783 struct drm_display_mode *newmode;
7086c87f
ML		 1784
1785 /*
1786 * Attempt to get the mode list from DDC.
1787 * Assume that the preferred modes are
1788 * arranged in priority order.
1789 */
7086c87f
ML		 1790 intel_ddc_get_modes(intel_output);
1791 if (list_empty(&connector->probed_modes) == false)
12682a97 1792 goto end;
7086c87f
ML		 1793
1794 /* Fetch modes from VBT */
1795 if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
7086c87f
ML		 1796 newmode = drm_mode_duplicate(connector->dev,
1797 dev_priv->sdvo_lvds_vbt_mode);
1798 if (newmode != NULL) {
1799 /* Guarantee the mode is preferred */
1800 newmode->type = (DRM_MODE_TYPE_PREFERRED |
1801 DRM_MODE_TYPE_DRIVER);
1802 drm_mode_probed_add(connector, newmode);
1803 }
1804 }
12682a97 1805
1806end:
1807 list_for_each_entry(newmode, &connector->probed_modes, head) {
1808 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1809 sdvo_priv->sdvo_lvds_fixed_mode =
1810 drm_mode_duplicate(connector->dev, newmode);
1811 break;
1812 }
1813 }
1814
7086c87f
ML		 1815}
1816
e2f0ba97
JB		 1817static int intel_sdvo_get_modes(struct drm_connector *connector)
1818{
1819 struct intel_output *output = to_intel_output(connector);
1820 struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
1821
1822 if (sdvo_priv->is_tv)
1823 intel_sdvo_get_tv_modes(connector);
7086c87f
ML		 1824 else if (sdvo_priv->is_lvds == true)
1825 intel_sdvo_get_lvds_modes(connector);
e2f0ba97
JB		 1826 else
1827 intel_sdvo_get_ddc_modes(connector);
1828
79e53945
JB		 1829 if (list_empty(&connector->probed_modes))
1830 return 0;
1831 return 1;
1832}
1833
b9219c5e
ZY		 1834static
1835void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1836{
1837 struct intel_output *intel_output = to_intel_output(connector);
1838 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1839 struct drm_device *dev = connector->dev;
1840
1841 if (sdvo_priv->is_tv) {
1842 if (sdvo_priv->left_property)
1843 drm_property_destroy(dev, sdvo_priv->left_property);
1844 if (sdvo_priv->right_property)
1845 drm_property_destroy(dev, sdvo_priv->right_property);
1846 if (sdvo_priv->top_property)
1847 drm_property_destroy(dev, sdvo_priv->top_property);
1848 if (sdvo_priv->bottom_property)
1849 drm_property_destroy(dev, sdvo_priv->bottom_property);
1850 if (sdvo_priv->hpos_property)
1851 drm_property_destroy(dev, sdvo_priv->hpos_property);
1852 if (sdvo_priv->vpos_property)
1853 drm_property_destroy(dev, sdvo_priv->vpos_property);
1854 }
1855 if (sdvo_priv->is_tv) {
1856 if (sdvo_priv->saturation_property)
1857 drm_property_destroy(dev,
1858 sdvo_priv->saturation_property);
1859 if (sdvo_priv->contrast_property)
1860 drm_property_destroy(dev,
1861 sdvo_priv->contrast_property);
1862 if (sdvo_priv->hue_property)
1863 drm_property_destroy(dev, sdvo_priv->hue_property);
1864 }
d0cbde93 1865 if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
b9219c5e
ZY		 1866 if (sdvo_priv->brightness_property)
1867 drm_property_destroy(dev,
1868 sdvo_priv->brightness_property);
1869 }
1870 return;
1871}
1872
79e53945
JB		 1873static void intel_sdvo_destroy(struct drm_connector *connector)
1874{
1875 struct intel_output *intel_output = to_intel_output(connector);
12682a97 1876 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
79e53945
JB		 1877
1878 if (intel_output->i2c_bus)
1879 intel_i2c_destroy(intel_output->i2c_bus);
619ac3b7
ML		 1880 if (intel_output->ddc_bus)
1881 intel_i2c_destroy(intel_output->ddc_bus);
57cdaf90
KP		 1882 if (sdvo_priv->analog_ddc_bus)
1883 intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
619ac3b7 1884
12682a97 1885 if (sdvo_priv->sdvo_lvds_fixed_mode != NULL)
1886 drm_mode_destroy(connector->dev,
1887 sdvo_priv->sdvo_lvds_fixed_mode);
1888
ce6feabd
ZY		 1889 if (sdvo_priv->tv_format_property)
1890 drm_property_destroy(connector->dev,
1891 sdvo_priv->tv_format_property);
1892
d0cbde93 1893 if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
b9219c5e
ZY		 1894 intel_sdvo_destroy_enhance_property(connector);
1895
79e53945
JB		 1896 drm_sysfs_connector_remove(connector);
1897 drm_connector_cleanup(connector);
12682a97 1898
79e53945
JB		 1899 kfree(intel_output);
1900}
1901
ce6feabd
ZY		 1902static int
1903intel_sdvo_set_property(struct drm_connector *connector,
1904 struct drm_property *property,
1905 uint64_t val)
1906{
1907 struct intel_output *intel_output = to_intel_output(connector);
1908 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
1909 struct drm_encoder *encoder = &intel_output->enc;
1910 struct drm_crtc *crtc = encoder->crtc;
1911 int ret = 0;
1912 bool changed = false;
b9219c5e
ZY		 1913 uint8_t cmd, status;
1914 uint16_t temp_value;
ce6feabd
ZY		 1915
1916 ret = drm_connector_property_set_value(connector, property, val);
1917 if (ret < 0)
1918 goto out;
1919
1920 if (property == sdvo_priv->tv_format_property) {
1921 if (val >= TV_FORMAT_NUM) {
1922 ret = -EINVAL;
1923 goto out;
1924 }
1925 if (sdvo_priv->tv_format_name ==
1926 sdvo_priv->tv_format_supported[val])
1927 goto out;
1928
1929 sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[val];
1930 changed = true;
ce6feabd
ZY		 1931 }
1932
d0cbde93 1933 if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
b9219c5e
ZY		 1934 cmd = 0;
1935 temp_value = val;
1936 if (sdvo_priv->left_property == property) {
1937 drm_connector_property_set_value(connector,
1938 sdvo_priv->right_property, val);
1939 if (sdvo_priv->left_margin == temp_value)
1940 goto out;
1941
1942 sdvo_priv->left_margin = temp_value;
1943 sdvo_priv->right_margin = temp_value;
1944 temp_value = sdvo_priv->max_hscan -
1945 sdvo_priv->left_margin;
1946 cmd = SDVO_CMD_SET_OVERSCAN_H;
1947 } else if (sdvo_priv->right_property == property) {
1948 drm_connector_property_set_value(connector,
1949 sdvo_priv->left_property, val);
1950 if (sdvo_priv->right_margin == temp_value)
1951 goto out;
1952
1953 sdvo_priv->left_margin = temp_value;
1954 sdvo_priv->right_margin = temp_value;
1955 temp_value = sdvo_priv->max_hscan -
1956 sdvo_priv->left_margin;
1957 cmd = SDVO_CMD_SET_OVERSCAN_H;
1958 } else if (sdvo_priv->top_property == property) {
1959 drm_connector_property_set_value(connector,
1960 sdvo_priv->bottom_property, val);
1961 if (sdvo_priv->top_margin == temp_value)
1962 goto out;
1963
1964 sdvo_priv->top_margin = temp_value;
1965 sdvo_priv->bottom_margin = temp_value;
1966 temp_value = sdvo_priv->max_vscan -
1967 sdvo_priv->top_margin;
1968 cmd = SDVO_CMD_SET_OVERSCAN_V;
1969 } else if (sdvo_priv->bottom_property == property) {
1970 drm_connector_property_set_value(connector,
1971 sdvo_priv->top_property, val);
1972 if (sdvo_priv->bottom_margin == temp_value)
1973 goto out;
1974 sdvo_priv->top_margin = temp_value;
1975 sdvo_priv->bottom_margin = temp_value;
1976 temp_value = sdvo_priv->max_vscan -
1977 sdvo_priv->top_margin;
1978 cmd = SDVO_CMD_SET_OVERSCAN_V;
1979 } else if (sdvo_priv->hpos_property == property) {
1980 if (sdvo_priv->cur_hpos == temp_value)
1981 goto out;
1982
1983 cmd = SDVO_CMD_SET_POSITION_H;
1984 sdvo_priv->cur_hpos = temp_value;
1985 } else if (sdvo_priv->vpos_property == property) {
1986 if (sdvo_priv->cur_vpos == temp_value)
1987 goto out;
1988
1989 cmd = SDVO_CMD_SET_POSITION_V;
1990 sdvo_priv->cur_vpos = temp_value;
1991 } else if (sdvo_priv->saturation_property == property) {
1992 if (sdvo_priv->cur_saturation == temp_value)
1993 goto out;
1994
1995 cmd = SDVO_CMD_SET_SATURATION;
1996 sdvo_priv->cur_saturation = temp_value;
1997 } else if (sdvo_priv->contrast_property == property) {
1998 if (sdvo_priv->cur_contrast == temp_value)
1999 goto out;
2000
2001 cmd = SDVO_CMD_SET_CONTRAST;
2002 sdvo_priv->cur_contrast = temp_value;
2003 } else if (sdvo_priv->hue_property == property) {
2004 if (sdvo_priv->cur_hue == temp_value)
2005 goto out;
2006
2007 cmd = SDVO_CMD_SET_HUE;
2008 sdvo_priv->cur_hue = temp_value;
2009 } else if (sdvo_priv->brightness_property == property) {
2010 if (sdvo_priv->cur_brightness == temp_value)
2011 goto out;
2012
2013 cmd = SDVO_CMD_SET_BRIGHTNESS;
2014 sdvo_priv->cur_brightness = temp_value;
2015 }
2016 if (cmd) {
2017 intel_sdvo_write_cmd(intel_output, cmd, &temp_value, 2);
2018 status = intel_sdvo_read_response(intel_output,
2019 NULL, 0);
2020 if (status != SDVO_CMD_STATUS_SUCCESS) {
2021 DRM_DEBUG_KMS("Incorrect SDVO command \n");
2022 return -EINVAL;
2023 }
2024 changed = true;
2025 }
2026 }
ce6feabd
ZY		 2027 if (changed && crtc)
2028 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
2029 crtc->y, crtc->fb);
2030out:
2031 return ret;
2032}
2033
79e53945
JB		 2034static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
2035 .dpms = intel_sdvo_dpms,
2036 .mode_fixup = intel_sdvo_mode_fixup,
2037 .prepare = intel_encoder_prepare,
2038 .mode_set = intel_sdvo_mode_set,
2039 .commit = intel_encoder_commit,
2040};
2041
2042static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
c9fb15f6 2043 .dpms = drm_helper_connector_dpms,
79e53945
JB		 2044 .save = intel_sdvo_save,
2045 .restore = intel_sdvo_restore,
2046 .detect = intel_sdvo_detect,
2047 .fill_modes = drm_helper_probe_single_connector_modes,
ce6feabd 2048 .set_property = intel_sdvo_set_property,
79e53945
JB		 2049 .destroy = intel_sdvo_destroy,
2050};
2051
2052static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
2053 .get_modes = intel_sdvo_get_modes,
2054 .mode_valid = intel_sdvo_mode_valid,
2055 .best_encoder = intel_best_encoder,
2056};
2057
b358d0a6 2058static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
79e53945
JB		 2059{
2060 drm_encoder_cleanup(encoder);
2061}
2062
2063static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
2064 .destroy = intel_sdvo_enc_destroy,
2065};
2066
2067
e2f0ba97
JB		 2068/**
2069 * Choose the appropriate DDC bus for control bus switch command for this
2070 * SDVO output based on the controlled output.
2071 *
2072 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
2073 * outputs, then LVDS outputs.
2074 */
2075static void
2076intel_sdvo_select_ddc_bus(struct intel_sdvo_priv *dev_priv)
2077{
2078 uint16_t mask = 0;
2079 unsigned int num_bits;
2080
2081 /* Make a mask of outputs less than or equal to our own priority in the
2082 * list.
2083 */
2084 switch (dev_priv->controlled_output) {
2085 case SDVO_OUTPUT_LVDS1:
2086 mask |= SDVO_OUTPUT_LVDS1;
2087 case SDVO_OUTPUT_LVDS0:
2088 mask |= SDVO_OUTPUT_LVDS0;
2089 case SDVO_OUTPUT_TMDS1:
2090 mask |= SDVO_OUTPUT_TMDS1;
2091 case SDVO_OUTPUT_TMDS0:
2092 mask |= SDVO_OUTPUT_TMDS0;
2093 case SDVO_OUTPUT_RGB1:
2094 mask |= SDVO_OUTPUT_RGB1;
2095 case SDVO_OUTPUT_RGB0:
2096 mask |= SDVO_OUTPUT_RGB0;
2097 break;
2098 }
2099
2100 /* Count bits to find what number we are in the priority list. */
2101 mask &= dev_priv->caps.output_flags;
2102 num_bits = hweight16(mask);
2103 if (num_bits > 3) {
2104 /* if more than 3 outputs, default to DDC bus 3 for now */
2105 num_bits = 3;
2106 }
2107
2108 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
2109 dev_priv->ddc_bus = 1 << num_bits;
2110}
2111
2112static bool
2113intel_sdvo_get_digital_encoding_mode(struct intel_output *output)
2114{
2115 struct intel_sdvo_priv *sdvo_priv = output->dev_priv;
2116 uint8_t status;
2117
2118 intel_sdvo_set_target_output(output, sdvo_priv->controlled_output);
2119
2120 intel_sdvo_write_cmd(output, SDVO_CMD_GET_ENCODE, NULL, 0);
2121 status = intel_sdvo_read_response(output, &sdvo_priv->is_hdmi, 1);
2122 if (status != SDVO_CMD_STATUS_SUCCESS)
2123 return false;
2124 return true;
2125}
2126
619ac3b7
ML		 2127static struct intel_output *
2128intel_sdvo_chan_to_intel_output(struct intel_i2c_chan *chan)
2129{
2130 struct drm_device *dev = chan->drm_dev;
2131 struct drm_connector *connector;
2132 struct intel_output *intel_output = NULL;
2133
2134 list_for_each_entry(connector,
2135 &dev->mode_config.connector_list, head) {
f9c10a9b 2136 if (to_intel_output(connector)->ddc_bus == &chan->adapter) {
619ac3b7
ML		 2137 intel_output = to_intel_output(connector);
2138 break;
2139 }
2140 }
2141 return intel_output;
2142}
2143
2144static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
2145 struct i2c_msg msgs[], int num)
2146{
2147 struct intel_output *intel_output;
2148 struct intel_sdvo_priv *sdvo_priv;
2149 struct i2c_algo_bit_data *algo_data;
f9c10a9b 2150 const struct i2c_algorithm *algo;
619ac3b7
ML		 2151
2152 algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
2153 intel_output =
2154 intel_sdvo_chan_to_intel_output(
2155 (struct intel_i2c_chan *)(algo_data->data));
2156 if (intel_output == NULL)
2157 return -EINVAL;
2158
2159 sdvo_priv = intel_output->dev_priv;
f9c10a9b 2160 algo = intel_output->i2c_bus->algo;
619ac3b7
ML		 2161
2162 intel_sdvo_set_control_bus_switch(intel_output, sdvo_priv->ddc_bus);
2163 return algo->master_xfer(i2c_adap, msgs, num);
2164}
2165
2166static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
2167 .master_xfer = intel_sdvo_master_xfer,
2168};
2169
714605e4 2170static u8
2171intel_sdvo_get_slave_addr(struct drm_device *dev, int output_device)
2172{
2173 struct drm_i915_private *dev_priv = dev->dev_private;
2174 struct sdvo_device_mapping *my_mapping, *other_mapping;
2175
2176 if (output_device == SDVOB) {
2177 my_mapping = &dev_priv->sdvo_mappings[0];
2178 other_mapping = &dev_priv->sdvo_mappings[1];
2179 } else {
2180 my_mapping = &dev_priv->sdvo_mappings[1];
2181 other_mapping = &dev_priv->sdvo_mappings[0];
2182 }
2183
2184 /* If the BIOS described our SDVO device, take advantage of it. */
2185 if (my_mapping->slave_addr)
2186 return my_mapping->slave_addr;
2187
2188 /* If the BIOS only described a different SDVO device, use the
2189 * address that it isn't using.
2190 */
2191 if (other_mapping->slave_addr) {
2192 if (other_mapping->slave_addr == 0x70)
2193 return 0x72;
2194 else
2195 return 0x70;
2196 }
2197
2198 /* No SDVO device info is found for another DVO port,
2199 * so use mapping assumption we had before BIOS parsing.
2200 */
2201 if (output_device == SDVOB)
2202 return 0x70;
2203 else
2204 return 0x72;
2205}
2206
fb7a46f3 2207static bool
2208intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
2209{
2210 struct drm_connector *connector = &intel_output->base;
2211 struct drm_encoder *encoder = &intel_output->enc;
2212 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2213 bool ret = true, registered = false;
2214
2215 sdvo_priv->is_tv = false;
2216 intel_output->needs_tv_clock = false;
2217 sdvo_priv->is_lvds = false;
2218
2219 if (device_is_registered(&connector->kdev)) {
2220 drm_sysfs_connector_remove(connector);
2221 registered = true;
2222 }
2223
2224 if (flags &
2225 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)) {
2226 if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0)
2227 sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS0;
2228 else
2229 sdvo_priv->controlled_output = SDVO_OUTPUT_TMDS1;
2230
2231 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2232 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2233
2234 if (intel_sdvo_get_supp_encode(intel_output,
2235 &sdvo_priv->encode) &&
2236 intel_sdvo_get_digital_encoding_mode(intel_output) &&
2237 sdvo_priv->is_hdmi) {
2238 /* enable hdmi encoding mode if supported */
2239 intel_sdvo_set_encode(intel_output, SDVO_ENCODE_HDMI);
2240 intel_sdvo_set_colorimetry(intel_output,
2241 SDVO_COLORIMETRY_RGB256);
2242 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
f8aed700
ML		 2243 intel_output->clone_mask =
2244 (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2245 (1 << INTEL_ANALOG_CLONE_BIT);
fb7a46f3 2246 }
2247 } else if (flags & SDVO_OUTPUT_SVID0) {
2248
2249 sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
2250 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2251 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2252 sdvo_priv->is_tv = true;
2253 intel_output->needs_tv_clock = true;
f8aed700 2254 intel_output->clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
fb7a46f3 2255 } else if (flags & SDVO_OUTPUT_RGB0) {
2256
2257 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB0;
2258 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2259 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
f8aed700
ML		 2260 intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2261 (1 << INTEL_ANALOG_CLONE_BIT);
fb7a46f3 2262 } else if (flags & SDVO_OUTPUT_RGB1) {
2263
2264 sdvo_priv->controlled_output = SDVO_OUTPUT_RGB1;
2265 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2266 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
e270846f
ZY		 2267 intel_output->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2268 (1 << INTEL_ANALOG_CLONE_BIT);
fb7a46f3 2269 } else if (flags & SDVO_OUTPUT_LVDS0) {
2270
2271 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS0;
2272 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2273 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2274 sdvo_priv->is_lvds = true;
f8aed700
ML		 2275 intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
2276 (1 << INTEL_SDVO_LVDS_CLONE_BIT);
fb7a46f3 2277 } else if (flags & SDVO_OUTPUT_LVDS1) {
2278
2279 sdvo_priv->controlled_output = SDVO_OUTPUT_LVDS1;
2280 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2281 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2282 sdvo_priv->is_lvds = true;
f8aed700
ML		 2283 intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT) |
2284 (1 << INTEL_SDVO_LVDS_CLONE_BIT);
fb7a46f3 2285 } else {
2286
2287 unsigned char bytes[2];
2288
2289 sdvo_priv->controlled_output = 0;
2290 memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
51c8b407
DA		 2291 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2292 SDVO_NAME(sdvo_priv),
2293 bytes[0], bytes[1]);
fb7a46f3 2294 ret = false;
2295 }
f8aed700 2296 intel_output->crtc_mask = (1 << 0) | (1 << 1);
fb7a46f3 2297
2298 if (ret && registered)
2299 ret = drm_sysfs_connector_add(connector) == 0 ? true : false;
2300
2301
2302 return ret;
2303
2304}
2305
ce6feabd
ZY		 2306static void intel_sdvo_tv_create_property(struct drm_connector *connector)
2307{
2308 struct intel_output *intel_output = to_intel_output(connector);
2309 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2310 struct intel_sdvo_tv_format format;
2311 uint32_t format_map, i;
2312 uint8_t status;
2313
2314 intel_sdvo_set_target_output(intel_output,
2315 sdvo_priv->controlled_output);
2316
2317 intel_sdvo_write_cmd(intel_output,
2318 SDVO_CMD_GET_SUPPORTED_TV_FORMATS, NULL, 0);
2319 status = intel_sdvo_read_response(intel_output,
2320 &format, sizeof(format));
2321 if (status != SDVO_CMD_STATUS_SUCCESS)
2322 return;
2323
2324 memcpy(&format_map, &format, sizeof(format) > sizeof(format_map) ?
2325 sizeof(format_map) : sizeof(format));
2326
2327 if (format_map == 0)
2328 return;
2329
2330 sdvo_priv->format_supported_num = 0;
2331 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2332 if (format_map & (1 << i)) {
2333 sdvo_priv->tv_format_supported
2334 [sdvo_priv->format_supported_num++] =
2335 tv_format_names[i];
2336 }
2337
2338
2339 sdvo_priv->tv_format_property =
2340 drm_property_create(
2341 connector->dev, DRM_MODE_PROP_ENUM,
2342 "mode", sdvo_priv->format_supported_num);
2343
2344 for (i = 0; i < sdvo_priv->format_supported_num; i++)
2345 drm_property_add_enum(
2346 sdvo_priv->tv_format_property, i,
2347 i, sdvo_priv->tv_format_supported[i]);
2348
2349 sdvo_priv->tv_format_name = sdvo_priv->tv_format_supported[0];
2350 drm_connector_attach_property(
2351 connector, sdvo_priv->tv_format_property, 0);
2352
2353}
2354
b9219c5e
ZY		 2355static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
2356{
2357 struct intel_output *intel_output = to_intel_output(connector);
2358 struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
2359 struct intel_sdvo_enhancements_reply sdvo_data;
2360 struct drm_device *dev = connector->dev;
2361 uint8_t status;
2362 uint16_t response, data_value[2];
2363
2364 intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2365 NULL, 0);
2366 status = intel_sdvo_read_response(intel_output, &sdvo_data,
2367 sizeof(sdvo_data));
2368 if (status != SDVO_CMD_STATUS_SUCCESS) {
2369 DRM_DEBUG_KMS(" incorrect response is returned\n");
2370 return;
2371 }
2372 response = *((uint16_t *)&sdvo_data);
2373 if (!response) {
2374 DRM_DEBUG_KMS("No enhancement is supported\n");
2375 return;
2376 }
2377 if (sdvo_priv->is_tv) {
2378 /* when horizontal overscan is supported, Add the left/right
2379 * property
2380 */
2381 if (sdvo_data.overscan_h) {
2382 intel_sdvo_write_cmd(intel_output,
2383 SDVO_CMD_GET_MAX_OVERSCAN_H, NULL, 0);
2384 status = intel_sdvo_read_response(intel_output,
2385 &data_value, 4);
2386 if (status != SDVO_CMD_STATUS_SUCCESS) {
2387 DRM_DEBUG_KMS("Incorrect SDVO max "
2388 "h_overscan\n");
2389 return;
2390 }
2391 intel_sdvo_write_cmd(intel_output,
2392 SDVO_CMD_GET_OVERSCAN_H, NULL, 0);
2393 status = intel_sdvo_read_response(intel_output,
2394 &response, 2);
2395 if (status != SDVO_CMD_STATUS_SUCCESS) {
2396 DRM_DEBUG_KMS("Incorrect SDVO h_overscan\n");
2397 return;
2398 }
2399 sdvo_priv->max_hscan = data_value[0];
2400 sdvo_priv->left_margin = data_value[0] - response;
2401 sdvo_priv->right_margin = sdvo_priv->left_margin;
2402 sdvo_priv->left_property =
2403 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2404 "left_margin", 2);
2405 sdvo_priv->left_property->values[0] = 0;
2406 sdvo_priv->left_property->values[1] = data_value[0];
2407 drm_connector_attach_property(connector,
2408 sdvo_priv->left_property,
2409 sdvo_priv->left_margin);
2410 sdvo_priv->right_property =
2411 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2412 "right_margin", 2);
2413 sdvo_priv->right_property->values[0] = 0;
2414 sdvo_priv->right_property->values[1] = data_value[0];
2415 drm_connector_attach_property(connector,
2416 sdvo_priv->right_property,
2417 sdvo_priv->right_margin);
2418 DRM_DEBUG_KMS("h_overscan: max %d, "
2419 "default %d, current %d\n",
2420 data_value[0], data_value[1], response);
2421 }
2422 if (sdvo_data.overscan_v) {
2423 intel_sdvo_write_cmd(intel_output,
2424 SDVO_CMD_GET_MAX_OVERSCAN_V, NULL, 0);
2425 status = intel_sdvo_read_response(intel_output,
2426 &data_value, 4);
2427 if (status != SDVO_CMD_STATUS_SUCCESS) {
2428 DRM_DEBUG_KMS("Incorrect SDVO max "
2429 "v_overscan\n");
2430 return;
2431 }
2432 intel_sdvo_write_cmd(intel_output,
2433 SDVO_CMD_GET_OVERSCAN_V, NULL, 0);
2434 status = intel_sdvo_read_response(intel_output,
2435 &response, 2);
2436 if (status != SDVO_CMD_STATUS_SUCCESS) {
2437 DRM_DEBUG_KMS("Incorrect SDVO v_overscan\n");
2438 return;
2439 }
2440 sdvo_priv->max_vscan = data_value[0];
2441 sdvo_priv->top_margin = data_value[0] - response;
2442 sdvo_priv->bottom_margin = sdvo_priv->top_margin;
2443 sdvo_priv->top_property =
2444 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2445 "top_margin", 2);
2446 sdvo_priv->top_property->values[0] = 0;
2447 sdvo_priv->top_property->values[1] = data_value[0];
2448 drm_connector_attach_property(connector,
2449 sdvo_priv->top_property,
2450 sdvo_priv->top_margin);
2451 sdvo_priv->bottom_property =
2452 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2453 "bottom_margin", 2);
2454 sdvo_priv->bottom_property->values[0] = 0;
2455 sdvo_priv->bottom_property->values[1] = data_value[0];
2456 drm_connector_attach_property(connector,
2457 sdvo_priv->bottom_property,
2458 sdvo_priv->bottom_margin);
2459 DRM_DEBUG_KMS("v_overscan: max %d, "
2460 "default %d, current %d\n",
2461 data_value[0], data_value[1], response);
2462 }
2463 if (sdvo_data.position_h) {
2464 intel_sdvo_write_cmd(intel_output,
2465 SDVO_CMD_GET_MAX_POSITION_H, NULL, 0);
2466 status = intel_sdvo_read_response(intel_output,
2467 &data_value, 4);
2468 if (status != SDVO_CMD_STATUS_SUCCESS) {
2469 DRM_DEBUG_KMS("Incorrect SDVO Max h_pos\n");
2470 return;
2471 }
2472 intel_sdvo_write_cmd(intel_output,
2473 SDVO_CMD_GET_POSITION_H, NULL, 0);
2474 status = intel_sdvo_read_response(intel_output,
2475 &response, 2);
2476 if (status != SDVO_CMD_STATUS_SUCCESS) {
2477 DRM_DEBUG_KMS("Incorrect SDVO get h_postion\n");
2478 return;
2479 }
2480 sdvo_priv->max_hpos = data_value[0];
2481 sdvo_priv->cur_hpos = response;
2482 sdvo_priv->hpos_property =
2483 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2484 "hpos", 2);
2485 sdvo_priv->hpos_property->values[0] = 0;
2486 sdvo_priv->hpos_property->values[1] = data_value[0];
2487 drm_connector_attach_property(connector,
2488 sdvo_priv->hpos_property,
2489 sdvo_priv->cur_hpos);
2490 DRM_DEBUG_KMS("h_position: max %d, "
2491 "default %d, current %d\n",
2492 data_value[0], data_value[1], response);
2493 }
2494 if (sdvo_data.position_v) {
2495 intel_sdvo_write_cmd(intel_output,
2496 SDVO_CMD_GET_MAX_POSITION_V, NULL, 0);
2497 status = intel_sdvo_read_response(intel_output,
2498 &data_value, 4);
2499 if (status != SDVO_CMD_STATUS_SUCCESS) {
2500 DRM_DEBUG_KMS("Incorrect SDVO Max v_pos\n");
2501 return;
2502 }
2503 intel_sdvo_write_cmd(intel_output,
2504 SDVO_CMD_GET_POSITION_V, NULL, 0);
2505 status = intel_sdvo_read_response(intel_output,
2506 &response, 2);
2507 if (status != SDVO_CMD_STATUS_SUCCESS) {
2508 DRM_DEBUG_KMS("Incorrect SDVO get v_postion\n");
2509 return;
2510 }
2511 sdvo_priv->max_vpos = data_value[0];
2512 sdvo_priv->cur_vpos = response;
2513 sdvo_priv->vpos_property =
2514 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2515 "vpos", 2);
2516 sdvo_priv->vpos_property->values[0] = 0;
2517 sdvo_priv->vpos_property->values[1] = data_value[0];
2518 drm_connector_attach_property(connector,
2519 sdvo_priv->vpos_property,
2520 sdvo_priv->cur_vpos);
2521 DRM_DEBUG_KMS("v_position: max %d, "
2522 "default %d, current %d\n",
2523 data_value[0], data_value[1], response);
2524 }
2525 }
2526 if (sdvo_priv->is_tv) {
2527 if (sdvo_data.saturation) {
2528 intel_sdvo_write_cmd(intel_output,
2529 SDVO_CMD_GET_MAX_SATURATION, NULL, 0);
2530 status = intel_sdvo_read_response(intel_output,
2531 &data_value, 4);
2532 if (status != SDVO_CMD_STATUS_SUCCESS) {
2533 DRM_DEBUG_KMS("Incorrect SDVO Max sat\n");
2534 return;
2535 }
2536 intel_sdvo_write_cmd(intel_output,
2537 SDVO_CMD_GET_SATURATION, NULL, 0);
2538 status = intel_sdvo_read_response(intel_output,
2539 &response, 2);
2540 if (status != SDVO_CMD_STATUS_SUCCESS) {
2541 DRM_DEBUG_KMS("Incorrect SDVO get sat\n");
2542 return;
2543 }
2544 sdvo_priv->max_saturation = data_value[0];
2545 sdvo_priv->cur_saturation = response;
2546 sdvo_priv->saturation_property =
2547 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2548 "saturation", 2);
2549 sdvo_priv->saturation_property->values[0] = 0;
2550 sdvo_priv->saturation_property->values[1] =
2551 data_value[0];
2552 drm_connector_attach_property(connector,
2553 sdvo_priv->saturation_property,
2554 sdvo_priv->cur_saturation);
2555 DRM_DEBUG_KMS("saturation: max %d, "
2556 "default %d, current %d\n",
2557 data_value[0], data_value[1], response);
2558 }
2559 if (sdvo_data.contrast) {
2560 intel_sdvo_write_cmd(intel_output,
2561 SDVO_CMD_GET_MAX_CONTRAST, NULL, 0);
2562 status = intel_sdvo_read_response(intel_output,
2563 &data_value, 4);
2564 if (status != SDVO_CMD_STATUS_SUCCESS) {
2565 DRM_DEBUG_KMS("Incorrect SDVO Max contrast\n");
2566 return;
2567 }
2568 intel_sdvo_write_cmd(intel_output,
2569 SDVO_CMD_GET_CONTRAST, NULL, 0);
2570 status = intel_sdvo_read_response(intel_output,
2571 &response, 2);
2572 if (status != SDVO_CMD_STATUS_SUCCESS) {
2573 DRM_DEBUG_KMS("Incorrect SDVO get contrast\n");
2574 return;
2575 }
2576 sdvo_priv->max_contrast = data_value[0];
2577 sdvo_priv->cur_contrast = response;
2578 sdvo_priv->contrast_property =
2579 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2580 "contrast", 2);
2581 sdvo_priv->contrast_property->values[0] = 0;
2582 sdvo_priv->contrast_property->values[1] = data_value[0];
2583 drm_connector_attach_property(connector,
2584 sdvo_priv->contrast_property,
2585 sdvo_priv->cur_contrast);
2586 DRM_DEBUG_KMS("contrast: max %d, "
2587 "default %d, current %d\n",
2588 data_value[0], data_value[1], response);
2589 }
2590 if (sdvo_data.hue) {
2591 intel_sdvo_write_cmd(intel_output,
2592 SDVO_CMD_GET_MAX_HUE, NULL, 0);
2593 status = intel_sdvo_read_response(intel_output,
2594 &data_value, 4);
2595 if (status != SDVO_CMD_STATUS_SUCCESS) {
2596 DRM_DEBUG_KMS("Incorrect SDVO Max hue\n");
2597 return;
2598 }
2599 intel_sdvo_write_cmd(intel_output,
2600 SDVO_CMD_GET_HUE, NULL, 0);
2601 status = intel_sdvo_read_response(intel_output,
2602 &response, 2);
2603 if (status != SDVO_CMD_STATUS_SUCCESS) {
2604 DRM_DEBUG_KMS("Incorrect SDVO get hue\n");
2605 return;
2606 }
2607 sdvo_priv->max_hue = data_value[0];
2608 sdvo_priv->cur_hue = response;
2609 sdvo_priv->hue_property =
2610 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2611 "hue", 2);
2612 sdvo_priv->hue_property->values[0] = 0;
2613 sdvo_priv->hue_property->values[1] =
2614 data_value[0];
2615 drm_connector_attach_property(connector,
2616 sdvo_priv->hue_property,
2617 sdvo_priv->cur_hue);
2618 DRM_DEBUG_KMS("hue: max %d, default %d, current %d\n",
2619 data_value[0], data_value[1], response);
2620 }
2621 }
d0cbde93 2622 if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
b9219c5e
ZY		 2623 if (sdvo_data.brightness) {
2624 intel_sdvo_write_cmd(intel_output,
2625 SDVO_CMD_GET_MAX_BRIGHTNESS, NULL, 0);
2626 status = intel_sdvo_read_response(intel_output,
2627 &data_value, 4);
2628 if (status != SDVO_CMD_STATUS_SUCCESS) {
2629 DRM_DEBUG_KMS("Incorrect SDVO Max bright\n");
2630 return;
2631 }
2632 intel_sdvo_write_cmd(intel_output,
2633 SDVO_CMD_GET_BRIGHTNESS, NULL, 0);
2634 status = intel_sdvo_read_response(intel_output,
2635 &response, 2);
2636 if (status != SDVO_CMD_STATUS_SUCCESS) {
2637 DRM_DEBUG_KMS("Incorrect SDVO get brigh\n");
2638 return;
2639 }
2640 sdvo_priv->max_brightness = data_value[0];
2641 sdvo_priv->cur_brightness = response;
2642 sdvo_priv->brightness_property =
2643 drm_property_create(dev, DRM_MODE_PROP_RANGE,
2644 "brightness", 2);
2645 sdvo_priv->brightness_property->values[0] = 0;
2646 sdvo_priv->brightness_property->values[1] =
2647 data_value[0];
2648 drm_connector_attach_property(connector,
2649 sdvo_priv->brightness_property,
2650 sdvo_priv->cur_brightness);
2651 DRM_DEBUG_KMS("brightness: max %d, "
2652 "default %d, current %d\n",
2653 data_value[0], data_value[1], response);
2654 }
2655 }
2656 return;
2657}
2658
7d57382e 2659bool intel_sdvo_init(struct drm_device *dev, int output_device)
79e53945
JB		 2660{
2661 struct drm_connector *connector;
2662 struct intel_output *intel_output;
2663 struct intel_sdvo_priv *sdvo_priv;
f9c10a9b 2664
79e53945
JB		 2665 u8 ch[0x40];
2666 int i;
79e53945
JB		 2667
2668 intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
2669 if (!intel_output) {
7d57382e 2670 return false;
79e53945
JB		 2671 }
2672
79e53945 2673 sdvo_priv = (struct intel_sdvo_priv *)(intel_output + 1);
308cd3a2
KP		 2674 sdvo_priv->output_device = output_device;
2675
2676 intel_output->dev_priv = sdvo_priv;
79e53945
JB		 2677 intel_output->type = INTEL_OUTPUT_SDVO;
2678
79e53945 2679 /* setup the DDC bus. */
308cd3a2
KP		 2680 if (output_device == SDVOB)
2681 intel_output->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
2682 else
2683 intel_output->i2c_bus = intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
2684
2685 if (!intel_output->i2c_bus)
ad5b2a6d 2686 goto err_inteloutput;
79e53945 2687
308cd3a2 2688 sdvo_priv->slave_addr = intel_sdvo_get_slave_addr(dev, output_device);
79e53945 2689
308cd3a2
KP		 2690 /* Save the bit-banging i2c functionality for use by the DDC wrapper */
2691 intel_sdvo_i2c_bit_algo.functionality = intel_output->i2c_bus->algo->functionality;
79e53945 2692
79e53945
JB		 2693 /* Read the regs to test if we can talk to the device */
2694 for (i = 0; i < 0x40; i++) {
2695 if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
8a4c47f3 2696 DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
342dc382 2697 output_device == SDVOB ? 'B' : 'C');
79e53945
JB		 2698 goto err_i2c;
2699 }
2700 }
2701
619ac3b7 2702 /* setup the DDC bus. */
57cdaf90 2703 if (output_device == SDVOB) {
308cd3a2 2704 intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOB DDC BUS");
57cdaf90
KP		 2705 sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
2706 "SDVOB/VGA DDC BUS");
2707 } else {
308cd3a2 2708 intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "SDVOC DDC BUS");
57cdaf90
KP		 2709 sdvo_priv->analog_ddc_bus = intel_i2c_create(dev, GPIOA,
2710 "SDVOC/VGA DDC BUS");
2711 }
619ac3b7 2712
308cd3a2 2713 if (intel_output->ddc_bus == NULL)
619ac3b7
ML		 2714 goto err_i2c;
2715
308cd3a2
KP		 2716 /* Wrap with our custom algo which switches to DDC mode */
2717 intel_output->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
619ac3b7 2718
7086c87f 2719 /* In defaut case sdvo lvds is false */
79e53945
JB		 2720 intel_sdvo_get_capabilities(intel_output, &sdvo_priv->caps);
2721
fb7a46f3 2722 if (intel_sdvo_output_setup(intel_output,
2723 sdvo_priv->caps.output_flags) != true) {
51c8b407 2724 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
fb7a46f3 2725 output_device == SDVOB ? 'B' : 'C');
79e53945
JB		 2726 goto err_i2c;
2727 }
2728
fb7a46f3 2729
ad5b2a6d
JB		 2730 connector = &intel_output->base;
2731 drm_connector_init(dev, connector, &intel_sdvo_connector_funcs,
fb7a46f3 2732 connector->connector_type);
2733
ad5b2a6d
JB		 2734 drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);
2735 connector->interlace_allowed = 0;
2736 connector->doublescan_allowed = 0;
2737 connector->display_info.subpixel_order = SubPixelHorizontalRGB;
2738
fb7a46f3 2739 drm_encoder_init(dev, &intel_output->enc,
2740 &intel_sdvo_enc_funcs, intel_output->enc.encoder_type);
2741
79e53945 2742 drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
79e53945
JB		 2743
2744 drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
d0cbde93 2745 if (sdvo_priv->is_tv)
ce6feabd 2746 intel_sdvo_tv_create_property(connector);
d0cbde93
ZY		 2747
2748 if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
b9219c5e 2749 intel_sdvo_create_enhance_property(connector);
d0cbde93 2750
79e53945
JB		 2751 drm_sysfs_connector_add(connector);
2752
e2f0ba97
JB		 2753 intel_sdvo_select_ddc_bus(sdvo_priv);
2754
79e53945
JB		 2755 /* Set the input timing to the screen. Assume always input 0. */
2756 intel_sdvo_set_target_input(intel_output, true, false);
2757
2758 intel_sdvo_get_input_pixel_clock_range(intel_output,
2759 &sdvo_priv->pixel_clock_min,
2760 &sdvo_priv->pixel_clock_max);
2761
2762
8a4c47f3 2763 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
342dc382 2764 "clock range %dMHz - %dMHz, "
2765 "input 1: %c, input 2: %c, "
2766 "output 1: %c, output 2: %c\n",
2767 SDVO_NAME(sdvo_priv),
2768 sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id,
2769 sdvo_priv->caps.device_rev_id,
2770 sdvo_priv->pixel_clock_min / 1000,
2771 sdvo_priv->pixel_clock_max / 1000,
2772 (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2773 (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2774 /* check currently supported outputs */
2775 sdvo_priv->caps.output_flags &
79e53945 2776 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
342dc382 2777 sdvo_priv->caps.output_flags &
79e53945
JB		 2778 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2779
7d57382e 2780 return true;
79e53945
JB		 2781
2782err_i2c:
57cdaf90
KP		 2783 if (sdvo_priv->analog_ddc_bus != NULL)
2784 intel_i2c_destroy(sdvo_priv->analog_ddc_bus);
308cd3a2 2785 if (intel_output->ddc_bus != NULL)
619ac3b7 2786 intel_i2c_destroy(intel_output->ddc_bus);
308cd3a2
KP		 2787 if (intel_output->i2c_bus != NULL)
2788 intel_i2c_destroy(intel_output->i2c_bus);
ad5b2a6d 2789err_inteloutput:
79e53945
JB		 2790 kfree(intel_output);
2791
7d57382e 2792 return false;
79e53945 2793}
Linux 6.x block layer and io_uring tree(s)