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
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: releng/10.3/sys/dev/drm2/i915/intel_sdvo.c 282199 2015-04-28 19:35:05Z dumbbell $");
31
32#include <dev/drm2/drmP.h>
33#include <dev/drm2/drm.h>
34#include <dev/drm2/drm_crtc.h>
35#include <dev/drm2/drm_edid.h>
36#include <dev/drm2/i915/i915_drm.h>
37#include <dev/drm2/i915/i915_drv.h>
38#include <dev/drm2/i915/intel_sdvo_regs.h>
39#include <dev/drm2/i915/intel_drv.h>
40#include <dev/iicbus/iic.h>
41#include <dev/iicbus/iiconf.h>
42#include "iicbus_if.h"
43
44#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
45#define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
46#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
47#define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
48
49#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
50			SDVO_TV_MASK)
51
52#define IS_TV(c)	(c->output_flag & SDVO_TV_MASK)
53#define IS_TMDS(c)	(c->output_flag & SDVO_TMDS_MASK)
54#define IS_LVDS(c)	(c->output_flag & SDVO_LVDS_MASK)
55#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
56#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
57
58
59static const char *tv_format_names[] = {
60	"NTSC_M"   , "NTSC_J"  , "NTSC_443",
61	"PAL_B"    , "PAL_D"   , "PAL_G"   ,
62	"PAL_H"    , "PAL_I"   , "PAL_M"   ,
63	"PAL_N"    , "PAL_NC"  , "PAL_60"  ,
64	"SECAM_B"  , "SECAM_D" , "SECAM_G" ,
65	"SECAM_K"  , "SECAM_K1", "SECAM_L" ,
66	"SECAM_60"
67};
68
69#define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
70
71struct intel_sdvo {
72	struct intel_encoder base;
73
74	device_t i2c;
75	u8 slave_addr;
76
77	device_t ddc_iic_bus, ddc;
78
79	/* Register for the SDVO device: SDVOB or SDVOC */
80	uint32_t sdvo_reg;
81
82	/* Active outputs controlled by this SDVO output */
83	uint16_t controlled_output;
84
85	/*
86	 * Capabilities of the SDVO device returned by
87	 * i830_sdvo_get_capabilities()
88	 */
89	struct intel_sdvo_caps caps;
90
91	/* Pixel clock limitations reported by the SDVO device, in kHz */
92	int pixel_clock_min, pixel_clock_max;
93
94	/*
95	* For multiple function SDVO device,
96	* this is for current attached outputs.
97	*/
98	uint16_t attached_output;
99
100	/*
101	 * Hotplug activation bits for this device
102	 */
103	uint8_t hotplug_active[2];
104
105	/**
106	 * This is used to select the color range of RBG outputs in HDMI mode.
107	 * It is only valid when using TMDS encoding and 8 bit per color mode.
108	 */
109	uint32_t color_range;
110
111	/**
112	 * This is set if we're going to treat the device as TV-out.
113	 *
114	 * While we have these nice friendly flags for output types that ought
115	 * to decide this for us, the S-Video output on our HDMI+S-Video card
116	 * shows up as RGB1 (VGA).
117	 */
118	bool is_tv;
119
120	/* On different gens SDVOB is at different places. */
121	bool is_sdvob;
122
123	/* This is for current tv format name */
124	int tv_format_index;
125
126	/**
127	 * This is set if we treat the device as HDMI, instead of DVI.
128	 */
129	bool is_hdmi;
130	bool has_hdmi_monitor;
131	bool has_hdmi_audio;
132
133	/**
134	 * This is set if we detect output of sdvo device as LVDS and
135	 * have a valid fixed mode to use with the panel.
136	 */
137	bool is_lvds;
138
139	/**
140	 * This is sdvo fixed pannel mode pointer
141	 */
142	struct drm_display_mode *sdvo_lvds_fixed_mode;
143
144	/* DDC bus used by this SDVO encoder */
145	uint8_t ddc_bus;
146
147	/* Input timings for adjusted_mode */
148	struct intel_sdvo_dtd input_dtd;
149};
150
151struct intel_sdvo_connector {
152	struct intel_connector base;
153
154	/* Mark the type of connector */
155	uint16_t output_flag;
156
157	enum hdmi_force_audio force_audio;
158
159	/* This contains all current supported TV format */
160	u8 tv_format_supported[TV_FORMAT_NUM];
161	int   format_supported_num;
162	struct drm_property *tv_format;
163
164	/* add the property for the SDVO-TV */
165	struct drm_property *left;
166	struct drm_property *right;
167	struct drm_property *top;
168	struct drm_property *bottom;
169	struct drm_property *hpos;
170	struct drm_property *vpos;
171	struct drm_property *contrast;
172	struct drm_property *saturation;
173	struct drm_property *hue;
174	struct drm_property *sharpness;
175	struct drm_property *flicker_filter;
176	struct drm_property *flicker_filter_adaptive;
177	struct drm_property *flicker_filter_2d;
178	struct drm_property *tv_chroma_filter;
179	struct drm_property *tv_luma_filter;
180	struct drm_property *dot_crawl;
181
182	/* add the property for the SDVO-TV/LVDS */
183	struct drm_property *brightness;
184
185	/* Add variable to record current setting for the above property */
186	u32	left_margin, right_margin, top_margin, bottom_margin;
187
188	/* this is to get the range of margin.*/
189	u32	max_hscan,  max_vscan;
190	u32	max_hpos, cur_hpos;
191	u32	max_vpos, cur_vpos;
192	u32	cur_brightness, max_brightness;
193	u32	cur_contrast,	max_contrast;
194	u32	cur_saturation, max_saturation;
195	u32	cur_hue,	max_hue;
196	u32	cur_sharpness,	max_sharpness;
197	u32	cur_flicker_filter,		max_flicker_filter;
198	u32	cur_flicker_filter_adaptive,	max_flicker_filter_adaptive;
199	u32	cur_flicker_filter_2d,		max_flicker_filter_2d;
200	u32	cur_tv_chroma_filter,	max_tv_chroma_filter;
201	u32	cur_tv_luma_filter,	max_tv_luma_filter;
202	u32	cur_dot_crawl,	max_dot_crawl;
203};
204
205static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
206{
207	return container_of(encoder, struct intel_sdvo, base.base);
208}
209
210static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
211{
212	return container_of(intel_attached_encoder(connector),
213			    struct intel_sdvo, base);
214}
215
216static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
217{
218	return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
219}
220
221static bool
222intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
223static bool
224intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
225			      struct intel_sdvo_connector *intel_sdvo_connector,
226			      int type);
227static bool
228intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
229				   struct intel_sdvo_connector *intel_sdvo_connector);
230
231/**
232 * Writes the SDVOB or SDVOC with the given value, but always writes both
233 * SDVOB and SDVOC to work around apparent hardware issues (according to
234 * comments in the BIOS).
235 */
236static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
237{
238	struct drm_device *dev = intel_sdvo->base.base.dev;
239	struct drm_i915_private *dev_priv = dev->dev_private;
240	u32 bval = val, cval = val;
241	int i;
242
243	if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
244		I915_WRITE(intel_sdvo->sdvo_reg, val);
245		I915_READ(intel_sdvo->sdvo_reg);
246		return;
247	}
248
249	if (intel_sdvo->sdvo_reg == SDVOB) {
250		cval = I915_READ(SDVOC);
251	} else {
252		bval = I915_READ(SDVOB);
253	}
254	/*
255	 * Write the registers twice for luck. Sometimes,
256	 * writing them only once doesn't appear to 'stick'.
257	 * The BIOS does this too. Yay, magic
258	 */
259	for (i = 0; i < 2; i++)
260	{
261		I915_WRITE(SDVOB, bval);
262		I915_READ(SDVOB);
263		I915_WRITE(SDVOC, cval);
264		I915_READ(SDVOC);
265	}
266}
267
268static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
269{
270	struct iic_msg msgs[] = {
271		{
272			.slave = intel_sdvo->slave_addr << 1,
273			.flags = 0,
274			.len = 1,
275			.buf = &addr,
276		},
277		{
278			.slave = intel_sdvo->slave_addr << 1,
279			.flags = IIC_M_RD,
280			.len = 1,
281			.buf = ch,
282		}
283	};
284	int ret;
285
286	if ((ret = iicbus_transfer(intel_sdvo->i2c, msgs, 2)) == 0)
287		return true;
288
289	DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
290	return false;
291}
292
293#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
294/** Mapping of command numbers to names, for debug output */
295static const struct _sdvo_cmd_name {
296	u8 cmd;
297	const char *name;
298} sdvo_cmd_names[] = {
299	SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
300	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
301	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
302	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
303	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
304	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
305	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
306	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
307	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
308	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
309	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
310	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
311	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
312	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
313	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
314	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
315	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
316	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
317	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
318	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
319	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
320	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
321	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
322	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
323	SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
324	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
325	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
326	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
327	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
328	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
329	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
330	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
331	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
332	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
333	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
334	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
335	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
336	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
337	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
338	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
339	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
340	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
341	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
342
343	/* Add the op code for SDVO enhancements */
344	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
345	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
346	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
347	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
348	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
349	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
350	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
351	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
352	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
353	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
354	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
355	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
356	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
357	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
358	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
359	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
360	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
361	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
362	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
363	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
364	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
365	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
366	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
367	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
368	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
369	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
370	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
371	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
372	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
373	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
374	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
375	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
376	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
377	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
378	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
379	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
380	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
381	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
382	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
383	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
384	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
385	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
386	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
387	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
388
389	/* HDMI op code */
390	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
391	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
392	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
393	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
394	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
395	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
396	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
397	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
398	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
399	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
400	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
401	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
402	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
403	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
404	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
405	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
406	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
407	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
408	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
409	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
410};
411
412#define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
413
414static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
415				   const void *args, int args_len)
416{
417	int i;
418
419	if ((drm_debug & DRM_DEBUGBITS_KMS) == 0)
420		return;
421	DRM_DEBUG_KMS("%s: W: %02X ", SDVO_NAME(intel_sdvo), cmd);
422	for (i = 0; i < args_len; i++)
423		printf("%02X ", ((const u8 *)args)[i]);
424	for (; i < 8; i++)
425		printf("   ");
426	for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
427		if (cmd == sdvo_cmd_names[i].cmd) {
428			printf("(%s)", sdvo_cmd_names[i].name);
429			break;
430		}
431	}
432	if (i == ARRAY_SIZE(sdvo_cmd_names))
433		printf("(%02X)", cmd);
434	printf("\n");
435}
436
437static const char *cmd_status_names[] = {
438	"Power on",
439	"Success",
440	"Not supported",
441	"Invalid arg",
442	"Pending",
443	"Target not specified",
444	"Scaling not supported"
445};
446
447static bool
448intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, const void *args,
449    int args_len)
450{
451	u8 buf[args_len*2 + 2], status;
452	struct iic_msg msgs[args_len + 3];
453	int i, ret;
454
455	intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
456
457	for (i = 0; i < args_len; i++) {
458		msgs[i].slave = intel_sdvo->slave_addr << 1;
459		msgs[i].flags = 0;
460		msgs[i].len = 2;
461		msgs[i].buf = buf + 2 *i;
462		buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
463		buf[2*i + 1] = ((const u8*)args)[i];
464	}
465	msgs[i].slave = intel_sdvo->slave_addr << 1;
466	msgs[i].flags = 0;
467	msgs[i].len = 2;
468	msgs[i].buf = buf + 2*i;
469	buf[2*i + 0] = SDVO_I2C_OPCODE;
470	buf[2*i + 1] = cmd;
471
472	/* the following two are to read the response */
473	status = SDVO_I2C_CMD_STATUS;
474	msgs[i+1].slave = intel_sdvo->slave_addr << 1;
475	msgs[i+1].flags = 0;
476	msgs[i+1].len = 1;
477	msgs[i+1].buf = &status;
478
479	msgs[i+2].slave = intel_sdvo->slave_addr << 1;
480	msgs[i+2].flags = IIC_M_RD;
481	msgs[i+2].len = 1;
482	msgs[i+2].buf = &status;
483
484	ret = iicbus_transfer(intel_sdvo->i2c, msgs, i+3);
485	if (ret != 0) {
486		DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
487		return (false);
488	}
489#if 0
490	if (ret != i+3) {
491		/* failure in I2C transfer */
492		DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
493		return false;
494	}
495#endif
496
497	return true;
498}
499
500static bool
501intel_sdvo_read_response(struct intel_sdvo *intel_sdvo, void *response,
502    int response_len)
503{
504	u8 retry = 5;
505	u8 status;
506	int i;
507
508	DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
509
510	/*
511	 * The documentation states that all commands will be
512	 * processed within 15��s, and that we need only poll
513	 * the status byte a maximum of 3 times in order for the
514	 * command to be complete.
515	 *
516	 * Check 5 times in case the hardware failed to read the docs.
517	 */
518	if (!intel_sdvo_read_byte(intel_sdvo, SDVO_I2C_CMD_STATUS, &status))
519		goto log_fail;
520
521	while (status == SDVO_CMD_STATUS_PENDING && retry--) {
522		DELAY(15);
523		if (!intel_sdvo_read_byte(intel_sdvo,
524		    SDVO_I2C_CMD_STATUS, &status))
525			goto log_fail;
526	}
527
528	if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) {
529		if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
530			printf("(%s)", cmd_status_names[status]);
531		else
532			printf("(??? %d)", status);
533	}
534
535	if (status != SDVO_CMD_STATUS_SUCCESS)
536		goto log_fail;
537
538	/* Read the command response */
539	for (i = 0; i < response_len; i++) {
540		if (!intel_sdvo_read_byte(intel_sdvo,
541					  SDVO_I2C_RETURN_0 + i,
542					  &((u8 *)response)[i]))
543			goto log_fail;
544		if ((drm_debug & DRM_DEBUGBITS_KMS) != 0)
545			printf(" %02X", ((u8 *)response)[i]);
546	}
547	if ((drm_debug & DRM_DEBUGBITS_KMS) != 0)
548		printf("\n");
549	return (true);
550
551log_fail:
552	if ((drm_debug & DRM_DEBUGBITS_KMS) != 0)
553		printf("... failed\n");
554	return (false);
555}
556
557static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
558{
559	if (mode->clock >= 100000)
560		return 1;
561	else if (mode->clock >= 50000)
562		return 2;
563	else
564		return 4;
565}
566
567static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
568					      u8 ddc_bus)
569{
570	/* This must be the immediately preceding write before the i2c xfer */
571	return intel_sdvo_write_cmd(intel_sdvo,
572				    SDVO_CMD_SET_CONTROL_BUS_SWITCH,
573				    &ddc_bus, 1);
574}
575
576static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
577{
578	if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
579		return false;
580
581	return intel_sdvo_read_response(intel_sdvo, NULL, 0);
582}
583
584static bool
585intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
586{
587	if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
588		return false;
589
590	return intel_sdvo_read_response(intel_sdvo, value, len);
591}
592
593static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
594{
595	struct intel_sdvo_set_target_input_args targets = {0};
596	return intel_sdvo_set_value(intel_sdvo,
597				    SDVO_CMD_SET_TARGET_INPUT,
598				    &targets, sizeof(targets));
599}
600
601/**
602 * Return whether each input is trained.
603 *
604 * This function is making an assumption about the layout of the response,
605 * which should be checked against the docs.
606 */
607static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
608{
609	struct intel_sdvo_get_trained_inputs_response response;
610
611	CTASSERT(sizeof(response) == 1);
612	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
613				  &response, sizeof(response)))
614		return false;
615
616	*input_1 = response.input0_trained;
617	*input_2 = response.input1_trained;
618	return true;
619}
620
621static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
622					  u16 outputs)
623{
624	return intel_sdvo_set_value(intel_sdvo,
625				    SDVO_CMD_SET_ACTIVE_OUTPUTS,
626				    &outputs, sizeof(outputs));
627}
628
629static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
630					       int mode)
631{
632	u8 state = SDVO_ENCODER_STATE_ON;
633
634	switch (mode) {
635	case DRM_MODE_DPMS_ON:
636		state = SDVO_ENCODER_STATE_ON;
637		break;
638	case DRM_MODE_DPMS_STANDBY:
639		state = SDVO_ENCODER_STATE_STANDBY;
640		break;
641	case DRM_MODE_DPMS_SUSPEND:
642		state = SDVO_ENCODER_STATE_SUSPEND;
643		break;
644	case DRM_MODE_DPMS_OFF:
645		state = SDVO_ENCODER_STATE_OFF;
646		break;
647	}
648
649	return intel_sdvo_set_value(intel_sdvo,
650				    SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
651}
652
653static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
654						   int *clock_min,
655						   int *clock_max)
656{
657	struct intel_sdvo_pixel_clock_range clocks;
658
659	CTASSERT(sizeof(clocks) == 4);
660	if (!intel_sdvo_get_value(intel_sdvo,
661				  SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
662				  &clocks, sizeof(clocks)))
663		return false;
664
665	/* Convert the values from units of 10 kHz to kHz. */
666	*clock_min = clocks.min * 10;
667	*clock_max = clocks.max * 10;
668	return true;
669}
670
671static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
672					 u16 outputs)
673{
674	return intel_sdvo_set_value(intel_sdvo,
675				    SDVO_CMD_SET_TARGET_OUTPUT,
676				    &outputs, sizeof(outputs));
677}
678
679static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
680				  struct intel_sdvo_dtd *dtd)
681{
682	return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
683		intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
684}
685
686static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
687					 struct intel_sdvo_dtd *dtd)
688{
689	return intel_sdvo_set_timing(intel_sdvo,
690				     SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
691}
692
693static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
694					 struct intel_sdvo_dtd *dtd)
695{
696	return intel_sdvo_set_timing(intel_sdvo,
697				     SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
698}
699
700static bool
701intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
702					 uint16_t clock,
703					 uint16_t width,
704					 uint16_t height)
705{
706	struct intel_sdvo_preferred_input_timing_args args;
707
708	memset(&args, 0, sizeof(args));
709	args.clock = clock;
710	args.width = width;
711	args.height = height;
712	args.interlace = 0;
713
714	if (intel_sdvo->is_lvds &&
715	   (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
716	    intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
717		args.scaled = 1;
718
719	return intel_sdvo_set_value(intel_sdvo,
720				    SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
721				    &args, sizeof(args));
722}
723
724static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
725						  struct intel_sdvo_dtd *dtd)
726{
727	CTASSERT(sizeof(dtd->part1) == 8);
728	CTASSERT(sizeof(dtd->part2) == 8);
729	return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
730				    &dtd->part1, sizeof(dtd->part1)) &&
731		intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
732				     &dtd->part2, sizeof(dtd->part2));
733}
734
735static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
736{
737	return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
738}
739
740static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
741					 const struct drm_display_mode *mode)
742{
743	uint16_t width, height;
744	uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
745	uint16_t h_sync_offset, v_sync_offset;
746	int mode_clock;
747
748	width = mode->hdisplay;
749	height = mode->vdisplay;
750
751 	/* do some mode translations */
752	h_blank_len = mode->htotal - mode->hdisplay;
753	h_sync_len = mode->hsync_end - mode->hsync_start;
754
755	v_blank_len = mode->vtotal - mode->vdisplay;
756	v_sync_len = mode->vsync_end - mode->vsync_start;
757
758	h_sync_offset = mode->hsync_start - mode->hdisplay;
759	v_sync_offset = mode->vsync_start - mode->vdisplay;
760
761	mode_clock = mode->clock;
762	mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
763	mode_clock /= 10;
764	dtd->part1.clock = mode_clock;
765
766	dtd->part1.h_active = width & 0xff;
767	dtd->part1.h_blank = h_blank_len & 0xff;
768	dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
769		((h_blank_len >> 8) & 0xf);
770	dtd->part1.v_active = height & 0xff;
771	dtd->part1.v_blank = v_blank_len & 0xff;
772	dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
773		((v_blank_len >> 8) & 0xf);
774
775	dtd->part2.h_sync_off = h_sync_offset & 0xff;
776	dtd->part2.h_sync_width = h_sync_len & 0xff;
777	dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
778		(v_sync_len & 0xf);
779	dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
780		((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
781		((v_sync_len & 0x30) >> 4);
782
783	dtd->part2.dtd_flags = 0x18;
784	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
785		dtd->part2.dtd_flags |= 0x2;
786	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
787		dtd->part2.dtd_flags |= 0x4;
788
789	dtd->part2.sdvo_flags = 0;
790	dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
791	dtd->part2.reserved = 0;
792}
793
794static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
795					 const struct intel_sdvo_dtd *dtd)
796{
797	mode->hdisplay = dtd->part1.h_active;
798	mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
799	mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
800	mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
801	mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
802	mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
803	mode->htotal = mode->hdisplay + dtd->part1.h_blank;
804	mode->htotal += (dtd->part1.h_high & 0xf) << 8;
805
806	mode->vdisplay = dtd->part1.v_active;
807	mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
808	mode->vsync_start = mode->vdisplay;
809	mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
810	mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
811	mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
812	mode->vsync_end = mode->vsync_start +
813		(dtd->part2.v_sync_off_width & 0xf);
814	mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
815	mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
816	mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
817
818	mode->clock = dtd->part1.clock * 10;
819
820	mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
821	if (dtd->part2.dtd_flags & 0x2)
822		mode->flags |= DRM_MODE_FLAG_PHSYNC;
823	if (dtd->part2.dtd_flags & 0x4)
824		mode->flags |= DRM_MODE_FLAG_PVSYNC;
825}
826
827static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
828{
829	struct intel_sdvo_encode encode;
830
831	CTASSERT(sizeof(encode) == 2);
832	return intel_sdvo_get_value(intel_sdvo,
833				  SDVO_CMD_GET_SUPP_ENCODE,
834				  &encode, sizeof(encode));
835}
836
837static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
838				  uint8_t mode)
839{
840	return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
841}
842
843static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
844				       uint8_t mode)
845{
846	return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
847}
848
849#if 0
850static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
851{
852	int i, j;
853	uint8_t set_buf_index[2];
854	uint8_t av_split;
855	uint8_t buf_size;
856	uint8_t buf[48];
857	uint8_t *pos;
858
859	intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
860
861	for (i = 0; i <= av_split; i++) {
862		set_buf_index[0] = i; set_buf_index[1] = 0;
863		intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
864				     set_buf_index, 2);
865		intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
866		intel_sdvo_read_response(encoder, &buf_size, 1);
867
868		pos = buf;
869		for (j = 0; j <= buf_size; j += 8) {
870			intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
871					     NULL, 0);
872			intel_sdvo_read_response(encoder, pos, 8);
873			pos += 8;
874		}
875	}
876}
877#endif
878
879static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
880{
881	struct dip_infoframe avi_if = {
882		.type = DIP_TYPE_AVI,
883		.ver = DIP_VERSION_AVI,
884		.len = DIP_LEN_AVI,
885	};
886	uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
887	uint8_t set_buf_index[2] = { 1, 0 };
888	uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
889	uint64_t *data = (uint64_t *)sdvo_data;
890	unsigned i;
891
892	intel_dip_infoframe_csum(&avi_if);
893
894	/* sdvo spec says that the ecc is handled by the hw, and it looks like
895	 * we must not send the ecc field, either. */
896	memcpy(sdvo_data, &avi_if, 3);
897	sdvo_data[3] = avi_if.checksum;
898	memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
899
900	if (!intel_sdvo_set_value(intel_sdvo,
901				  SDVO_CMD_SET_HBUF_INDEX,
902				  set_buf_index, 2))
903		return false;
904
905	for (i = 0; i < sizeof(sdvo_data); i += 8) {
906		if (!intel_sdvo_set_value(intel_sdvo,
907					  SDVO_CMD_SET_HBUF_DATA,
908					  data, 8))
909			return false;
910		data++;
911	}
912
913	return intel_sdvo_set_value(intel_sdvo,
914				    SDVO_CMD_SET_HBUF_TXRATE,
915				    &tx_rate, 1);
916}
917
918static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
919{
920	struct intel_sdvo_tv_format format;
921	uint32_t format_map;
922
923	format_map = 1 << intel_sdvo->tv_format_index;
924	memset(&format, 0, sizeof(format));
925	memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
926
927	CTASSERT(sizeof(format) == 6);
928	return intel_sdvo_set_value(intel_sdvo,
929				    SDVO_CMD_SET_TV_FORMAT,
930				    &format, sizeof(format));
931}
932
933static bool
934intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
935					const struct drm_display_mode *mode)
936{
937	struct intel_sdvo_dtd output_dtd;
938
939	if (!intel_sdvo_set_target_output(intel_sdvo,
940					  intel_sdvo->attached_output))
941		return false;
942
943	intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
944	if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
945		return false;
946
947	return true;
948}
949
950static bool
951intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
952					const struct drm_display_mode *mode,
953					struct drm_display_mode *adjusted_mode)
954{
955	/* Reset the input timing to the screen. Assume always input 0. */
956	if (!intel_sdvo_set_target_input(intel_sdvo))
957		return false;
958
959	if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
960						      mode->clock / 10,
961						      mode->hdisplay,
962						      mode->vdisplay))
963		return false;
964
965	if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
966						   &intel_sdvo->input_dtd))
967		return false;
968
969	intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
970
971	return true;
972}
973
974static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
975				  const struct drm_display_mode *mode,
976				  struct drm_display_mode *adjusted_mode)
977{
978	struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
979	int multiplier;
980
981	/* We need to construct preferred input timings based on our
982	 * output timings.  To do that, we have to set the output
983	 * timings, even though this isn't really the right place in
984	 * the sequence to do it. Oh well.
985	 */
986	if (intel_sdvo->is_tv) {
987		if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
988			return false;
989
990		(void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
991							     mode,
992							     adjusted_mode);
993	} else if (intel_sdvo->is_lvds) {
994		if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
995							     intel_sdvo->sdvo_lvds_fixed_mode))
996			return false;
997
998		(void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
999							     mode,
1000							     adjusted_mode);
1001	}
1002
1003	/* Make the CRTC code factor in the SDVO pixel multiplier.  The
1004	 * SDVO device will factor out the multiplier during mode_set.
1005	 */
1006	multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1007	intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1008
1009	return true;
1010}
1011
1012static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1013				struct drm_display_mode *mode,
1014				struct drm_display_mode *adjusted_mode)
1015{
1016	struct drm_device *dev = encoder->dev;
1017	struct drm_i915_private *dev_priv = dev->dev_private;
1018	struct drm_crtc *crtc = encoder->crtc;
1019	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1020	struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1021	u32 sdvox;
1022	struct intel_sdvo_in_out_map in_out;
1023	struct intel_sdvo_dtd input_dtd, output_dtd;
1024	int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1025	int rate;
1026
1027	if (!mode)
1028		return;
1029
1030	/* First, set the input mapping for the first input to our controlled
1031	 * output. This is only correct if we're a single-input device, in
1032	 * which case the first input is the output from the appropriate SDVO
1033	 * channel on the motherboard.  In a two-input device, the first input
1034	 * will be SDVOB and the second SDVOC.
1035	 */
1036	in_out.in0 = intel_sdvo->attached_output;
1037	in_out.in1 = 0;
1038
1039	intel_sdvo_set_value(intel_sdvo,
1040			     SDVO_CMD_SET_IN_OUT_MAP,
1041			     &in_out, sizeof(in_out));
1042
1043	/* Set the output timings to the screen */
1044	if (!intel_sdvo_set_target_output(intel_sdvo,
1045					  intel_sdvo->attached_output))
1046		return;
1047
1048	/* lvds has a special fixed output timing. */
1049	if (intel_sdvo->is_lvds)
1050		intel_sdvo_get_dtd_from_mode(&output_dtd,
1051					     intel_sdvo->sdvo_lvds_fixed_mode);
1052	else
1053		intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1054	(void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
1055
1056	/* Set the input timing to the screen. Assume always input 0. */
1057	if (!intel_sdvo_set_target_input(intel_sdvo))
1058		return;
1059
1060	if (intel_sdvo->has_hdmi_monitor) {
1061		intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1062		intel_sdvo_set_colorimetry(intel_sdvo,
1063					   SDVO_COLORIMETRY_RGB256);
1064		intel_sdvo_set_avi_infoframe(intel_sdvo);
1065	} else
1066		intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1067
1068	if (intel_sdvo->is_tv &&
1069	    !intel_sdvo_set_tv_format(intel_sdvo))
1070		return;
1071
1072	/* We have tried to get input timing in mode_fixup, and filled into
1073	 * adjusted_mode.
1074	 */
1075	intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1076	(void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1077
1078	switch (pixel_multiplier) {
1079	default:
1080	case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1081	case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1082	case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1083	}
1084	if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1085		return;
1086
1087	/* Set the SDVO control regs. */
1088	if (INTEL_INFO(dev)->gen >= 4) {
1089		/* The real mode polarity is set by the SDVO commands, using
1090		 * struct intel_sdvo_dtd. */
1091		sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1092		if (intel_sdvo->is_hdmi)
1093			sdvox |= intel_sdvo->color_range;
1094		if (INTEL_INFO(dev)->gen < 5)
1095			sdvox |= SDVO_BORDER_ENABLE;
1096	} else {
1097		sdvox = I915_READ(intel_sdvo->sdvo_reg);
1098		switch (intel_sdvo->sdvo_reg) {
1099		case SDVOB:
1100			sdvox &= SDVOB_PRESERVE_MASK;
1101			break;
1102		case SDVOC:
1103			sdvox &= SDVOC_PRESERVE_MASK;
1104			break;
1105		}
1106		sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1107	}
1108
1109	if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1110		sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1111	else
1112		sdvox |= TRANSCODER(intel_crtc->pipe);
1113
1114	if (intel_sdvo->has_hdmi_audio)
1115		sdvox |= SDVO_AUDIO_ENABLE;
1116
1117	if (INTEL_INFO(dev)->gen >= 4) {
1118		/* done in crtc_mode_set as the dpll_md reg must be written early */
1119	} else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1120		/* done in crtc_mode_set as it lives inside the dpll register */
1121	} else {
1122		sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1123	}
1124
1125	if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1126	    INTEL_INFO(dev)->gen < 5)
1127		sdvox |= SDVO_STALL_SELECT;
1128	intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1129}
1130
1131static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1132{
1133	struct drm_device *dev = encoder->dev;
1134	struct drm_i915_private *dev_priv = dev->dev_private;
1135	struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1136	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1137	u32 temp;
1138
1139	if (mode != DRM_MODE_DPMS_ON) {
1140		intel_sdvo_set_active_outputs(intel_sdvo, 0);
1141		if (0)
1142			intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1143
1144		if (mode == DRM_MODE_DPMS_OFF) {
1145			temp = I915_READ(intel_sdvo->sdvo_reg);
1146			if ((temp & SDVO_ENABLE) != 0) {
1147				intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1148			}
1149		}
1150	} else {
1151		bool input1, input2;
1152		int i;
1153		u8 status;
1154
1155		temp = I915_READ(intel_sdvo->sdvo_reg);
1156		if ((temp & SDVO_ENABLE) == 0)
1157			intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1158		for (i = 0; i < 2; i++)
1159			intel_wait_for_vblank(dev, intel_crtc->pipe);
1160
1161		status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1162		/* Warn if the device reported failure to sync.
1163		 * A lot of SDVO devices fail to notify of sync, but it's
1164		 * a given it the status is a success, we succeeded.
1165		 */
1166		if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1167			DRM_DEBUG_KMS("First %s output reported failure to "
1168					"sync\n", SDVO_NAME(intel_sdvo));
1169		}
1170
1171		if (0)
1172			intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1173		intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1174	}
1175	return;
1176}
1177
1178static int intel_sdvo_mode_valid(struct drm_connector *connector,
1179				 struct drm_display_mode *mode)
1180{
1181	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1182
1183	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1184		return MODE_NO_DBLESCAN;
1185
1186	if (intel_sdvo->pixel_clock_min > mode->clock)
1187		return MODE_CLOCK_LOW;
1188
1189	if (intel_sdvo->pixel_clock_max < mode->clock)
1190		return MODE_CLOCK_HIGH;
1191
1192	if (intel_sdvo->is_lvds) {
1193		if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1194			return MODE_PANEL;
1195
1196		if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1197			return MODE_PANEL;
1198	}
1199
1200	return MODE_OK;
1201}
1202
1203static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1204{
1205	CTASSERT(sizeof(*caps) == 8);
1206	if (!intel_sdvo_get_value(intel_sdvo,
1207				  SDVO_CMD_GET_DEVICE_CAPS,
1208				  caps, sizeof(*caps)))
1209		return false;
1210
1211	DRM_DEBUG_KMS("SDVO capabilities:\n"
1212		      "  vendor_id: %d\n"
1213		      "  device_id: %d\n"
1214		      "  device_rev_id: %d\n"
1215		      "  sdvo_version_major: %d\n"
1216		      "  sdvo_version_minor: %d\n"
1217		      "  sdvo_inputs_mask: %d\n"
1218		      "  smooth_scaling: %d\n"
1219		      "  sharp_scaling: %d\n"
1220		      "  up_scaling: %d\n"
1221		      "  down_scaling: %d\n"
1222		      "  stall_support: %d\n"
1223		      "  output_flags: %d\n",
1224		      caps->vendor_id,
1225		      caps->device_id,
1226		      caps->device_rev_id,
1227		      caps->sdvo_version_major,
1228		      caps->sdvo_version_minor,
1229		      caps->sdvo_inputs_mask,
1230		      caps->smooth_scaling,
1231		      caps->sharp_scaling,
1232		      caps->up_scaling,
1233		      caps->down_scaling,
1234		      caps->stall_support,
1235		      caps->output_flags);
1236
1237	return true;
1238}
1239
1240static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1241{
1242	struct drm_device *dev = intel_sdvo->base.base.dev;
1243	u8 response[2];
1244
1245	/* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1246	 * on the line. */
1247	if (IS_I945G(dev) || IS_I945GM(dev))
1248		return false;
1249
1250	return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1251				    &response, 2) && response[0];
1252}
1253
1254static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1255{
1256	struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1257
1258	intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
1259			     &intel_sdvo->hotplug_active, 2);
1260}
1261
1262static bool
1263intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1264{
1265	/* Is there more than one type of output? */
1266	return bitcount16(intel_sdvo->caps.output_flags) > 1;
1267}
1268
1269static struct edid *
1270intel_sdvo_get_edid(struct drm_connector *connector)
1271{
1272	struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1273	return drm_get_edid(connector, sdvo->ddc);
1274}
1275
1276/* Mac mini hack -- use the same DDC as the analog connector */
1277static struct edid *
1278intel_sdvo_get_analog_edid(struct drm_connector *connector)
1279{
1280	struct drm_i915_private *dev_priv = connector->dev->dev_private;
1281
1282	return drm_get_edid(connector,
1283			    intel_gmbus_get_adapter(dev_priv,
1284						    dev_priv->crt_ddc_pin));
1285}
1286
1287static enum drm_connector_status
1288intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1289{
1290	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1291	enum drm_connector_status status;
1292	struct edid *edid;
1293
1294	edid = intel_sdvo_get_edid(connector);
1295
1296	if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1297		u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1298
1299		/*
1300		 * Don't use the 1 as the argument of DDC bus switch to get
1301		 * the EDID. It is used for SDVO SPD ROM.
1302		 */
1303		for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1304			intel_sdvo->ddc_bus = ddc;
1305			edid = intel_sdvo_get_edid(connector);
1306			if (edid)
1307				break;
1308		}
1309		/*
1310		 * If we found the EDID on the other bus,
1311		 * assume that is the correct DDC bus.
1312		 */
1313		if (edid == NULL)
1314			intel_sdvo->ddc_bus = saved_ddc;
1315	}
1316
1317	/*
1318	 * When there is no edid and no monitor is connected with VGA
1319	 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1320	 */
1321	if (edid == NULL)
1322		edid = intel_sdvo_get_analog_edid(connector);
1323
1324	status = connector_status_unknown;
1325	if (edid != NULL) {
1326		/* DDC bus is shared, match EDID to connector type */
1327		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1328			status = connector_status_connected;
1329			if (intel_sdvo->is_hdmi) {
1330				intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1331				intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1332			}
1333		} else
1334			status = connector_status_disconnected;
1335		free(edid, DRM_MEM_KMS);
1336	}
1337
1338	if (status == connector_status_connected) {
1339		struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1340		if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1341			intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1342	}
1343
1344	return status;
1345}
1346
1347static bool
1348intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1349				  struct edid *edid)
1350{
1351	bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1352	bool connector_is_digital = !!IS_DIGITAL(sdvo);
1353
1354	DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1355		      connector_is_digital, monitor_is_digital);
1356	return connector_is_digital == monitor_is_digital;
1357}
1358
1359static enum drm_connector_status
1360intel_sdvo_detect(struct drm_connector *connector, bool force)
1361{
1362	uint16_t response;
1363	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1364	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1365	enum drm_connector_status ret;
1366
1367	if (!intel_sdvo_write_cmd(intel_sdvo,
1368				  SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1369		return connector_status_unknown;
1370
1371	/* add 30ms delay when the output type might be TV */
1372	if (intel_sdvo->caps.output_flags & SDVO_TV_MASK)
1373		drm_msleep(30, "915svo");
1374
1375	if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1376		return connector_status_unknown;
1377
1378	DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1379		      response & 0xff, response >> 8,
1380		      intel_sdvo_connector->output_flag);
1381
1382	if (response == 0)
1383		return connector_status_disconnected;
1384
1385	intel_sdvo->attached_output = response;
1386
1387	intel_sdvo->has_hdmi_monitor = false;
1388	intel_sdvo->has_hdmi_audio = false;
1389
1390	if ((intel_sdvo_connector->output_flag & response) == 0)
1391		ret = connector_status_disconnected;
1392	else if (IS_TMDS(intel_sdvo_connector))
1393		ret = intel_sdvo_tmds_sink_detect(connector);
1394	else {
1395		struct edid *edid;
1396
1397		/* if we have an edid check it matches the connection */
1398		edid = intel_sdvo_get_edid(connector);
1399		if (edid == NULL)
1400			edid = intel_sdvo_get_analog_edid(connector);
1401		if (edid != NULL) {
1402			if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1403							      edid))
1404				ret = connector_status_connected;
1405			else
1406				ret = connector_status_disconnected;
1407
1408			free(edid, DRM_MEM_KMS);
1409		} else
1410			ret = connector_status_connected;
1411	}
1412
1413	/* May update encoder flag for like clock for SDVO TV, etc.*/
1414	if (ret == connector_status_connected) {
1415		intel_sdvo->is_tv = false;
1416		intel_sdvo->is_lvds = false;
1417		intel_sdvo->base.needs_tv_clock = false;
1418
1419		if (response & SDVO_TV_MASK) {
1420			intel_sdvo->is_tv = true;
1421			intel_sdvo->base.needs_tv_clock = true;
1422		}
1423		if (response & SDVO_LVDS_MASK)
1424			intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1425	}
1426
1427	return ret;
1428}
1429
1430static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1431{
1432	struct edid *edid;
1433
1434	/* set the bus switch and get the modes */
1435	edid = intel_sdvo_get_edid(connector);
1436
1437	/*
1438	 * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1439	 * link between analog and digital outputs. So, if the regular SDVO
1440	 * DDC fails, check to see if the analog output is disconnected, in
1441	 * which case we'll look there for the digital DDC data.
1442	 */
1443	if (edid == NULL)
1444		edid = intel_sdvo_get_analog_edid(connector);
1445
1446	if (edid != NULL) {
1447		if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1448						      edid)) {
1449			drm_mode_connector_update_edid_property(connector, edid);
1450			drm_add_edid_modes(connector, edid);
1451		}
1452
1453		free(edid, DRM_MEM_KMS);
1454	}
1455}
1456
1457/*
1458 * Set of SDVO TV modes.
1459 * Note!  This is in reply order (see loop in get_tv_modes).
1460 * XXX: all 60Hz refresh?
1461 */
1462static const struct drm_display_mode sdvo_tv_modes[] = {
1463	{ DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1464		   416, 0, 200, 201, 232, 233, 0,
1465		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1466	{ DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1467		   416, 0, 240, 241, 272, 273, 0,
1468		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1469	{ DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1470		   496, 0, 300, 301, 332, 333, 0,
1471		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1472	{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1473		   736, 0, 350, 351, 382, 383, 0,
1474		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1475	{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1476		   736, 0, 400, 401, 432, 433, 0,
1477		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1478	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1479		   736, 0, 480, 481, 512, 513, 0,
1480		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1481	{ DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1482		   800, 0, 480, 481, 512, 513, 0,
1483		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1484	{ DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1485		   800, 0, 576, 577, 608, 609, 0,
1486		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1487	{ DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1488		   816, 0, 350, 351, 382, 383, 0,
1489		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1490	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1491		   816, 0, 400, 401, 432, 433, 0,
1492		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1493	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1494		   816, 0, 480, 481, 512, 513, 0,
1495		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1496	{ DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1497		   816, 0, 540, 541, 572, 573, 0,
1498		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1499	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1500		   816, 0, 576, 577, 608, 609, 0,
1501		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1502	{ DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1503		   864, 0, 576, 577, 608, 609, 0,
1504		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1505	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1506		   896, 0, 600, 601, 632, 633, 0,
1507		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1508	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1509		   928, 0, 624, 625, 656, 657, 0,
1510		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1511	{ DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1512		   1016, 0, 766, 767, 798, 799, 0,
1513		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1514	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1515		   1120, 0, 768, 769, 800, 801, 0,
1516		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1517	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1518		   1376, 0, 1024, 1025, 1056, 1057, 0,
1519		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1520};
1521
1522static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1523{
1524	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1525	struct intel_sdvo_sdtv_resolution_request tv_res;
1526	uint32_t reply = 0, format_map = 0;
1527	int i;
1528
1529	/* Read the list of supported input resolutions for the selected TV
1530	 * format.
1531	 */
1532	format_map = 1 << intel_sdvo->tv_format_index;
1533	memcpy(&tv_res, &format_map,
1534	       min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1535
1536	if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1537		return;
1538
1539	CTASSERT(sizeof(tv_res) == 3);
1540	if (!intel_sdvo_write_cmd(intel_sdvo,
1541				  SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1542				  &tv_res, sizeof(tv_res)))
1543		return;
1544	if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1545		return;
1546
1547	for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1548		if (reply & (1 << i)) {
1549			struct drm_display_mode *nmode;
1550			nmode = drm_mode_duplicate(connector->dev,
1551						   &sdvo_tv_modes[i]);
1552			if (nmode)
1553				drm_mode_probed_add(connector, nmode);
1554		}
1555}
1556
1557static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1558{
1559	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1560	struct drm_i915_private *dev_priv = connector->dev->dev_private;
1561	struct drm_display_mode *newmode;
1562
1563	/*
1564	 * Attempt to get the mode list from DDC.
1565	 * Assume that the preferred modes are
1566	 * arranged in priority order.
1567	 */
1568	intel_ddc_get_modes(connector, intel_sdvo->i2c);
1569	if (!list_empty(&connector->probed_modes))
1570		goto end;
1571
1572	/* Fetch modes from VBT */
1573	if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1574		newmode = drm_mode_duplicate(connector->dev,
1575					     dev_priv->sdvo_lvds_vbt_mode);
1576		if (newmode != NULL) {
1577			/* Guarantee the mode is preferred */
1578			newmode->type = (DRM_MODE_TYPE_PREFERRED |
1579					 DRM_MODE_TYPE_DRIVER);
1580			drm_mode_probed_add(connector, newmode);
1581		}
1582	}
1583
1584end:
1585	list_for_each_entry(newmode, &connector->probed_modes, head) {
1586		if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1587			intel_sdvo->sdvo_lvds_fixed_mode =
1588				drm_mode_duplicate(connector->dev, newmode);
1589
1590			intel_sdvo->is_lvds = true;
1591			break;
1592		}
1593	}
1594
1595}
1596
1597static int intel_sdvo_get_modes(struct drm_connector *connector)
1598{
1599	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1600
1601	if (IS_TV(intel_sdvo_connector))
1602		intel_sdvo_get_tv_modes(connector);
1603	else if (IS_LVDS(intel_sdvo_connector))
1604		intel_sdvo_get_lvds_modes(connector);
1605	else
1606		intel_sdvo_get_ddc_modes(connector);
1607
1608	return !list_empty(&connector->probed_modes);
1609}
1610
1611static void
1612intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1613{
1614	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1615	struct drm_device *dev = connector->dev;
1616
1617	if (intel_sdvo_connector->left)
1618		drm_property_destroy(dev, intel_sdvo_connector->left);
1619	if (intel_sdvo_connector->right)
1620		drm_property_destroy(dev, intel_sdvo_connector->right);
1621	if (intel_sdvo_connector->top)
1622		drm_property_destroy(dev, intel_sdvo_connector->top);
1623	if (intel_sdvo_connector->bottom)
1624		drm_property_destroy(dev, intel_sdvo_connector->bottom);
1625	if (intel_sdvo_connector->hpos)
1626		drm_property_destroy(dev, intel_sdvo_connector->hpos);
1627	if (intel_sdvo_connector->vpos)
1628		drm_property_destroy(dev, intel_sdvo_connector->vpos);
1629	if (intel_sdvo_connector->saturation)
1630		drm_property_destroy(dev, intel_sdvo_connector->saturation);
1631	if (intel_sdvo_connector->contrast)
1632		drm_property_destroy(dev, intel_sdvo_connector->contrast);
1633	if (intel_sdvo_connector->hue)
1634		drm_property_destroy(dev, intel_sdvo_connector->hue);
1635	if (intel_sdvo_connector->sharpness)
1636		drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1637	if (intel_sdvo_connector->flicker_filter)
1638		drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1639	if (intel_sdvo_connector->flicker_filter_2d)
1640		drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1641	if (intel_sdvo_connector->flicker_filter_adaptive)
1642		drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1643	if (intel_sdvo_connector->tv_luma_filter)
1644		drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1645	if (intel_sdvo_connector->tv_chroma_filter)
1646		drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1647	if (intel_sdvo_connector->dot_crawl)
1648		drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1649	if (intel_sdvo_connector->brightness)
1650		drm_property_destroy(dev, intel_sdvo_connector->brightness);
1651}
1652
1653static void intel_sdvo_destroy(struct drm_connector *connector)
1654{
1655	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1656
1657	if (intel_sdvo_connector->tv_format)
1658		drm_property_destroy(connector->dev,
1659				     intel_sdvo_connector->tv_format);
1660
1661	intel_sdvo_destroy_enhance_property(connector);
1662#if 0
1663	drm_sysfs_connector_remove(connector);
1664#endif
1665	drm_connector_cleanup(connector);
1666	free(connector, DRM_MEM_KMS);
1667}
1668
1669static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1670{
1671	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1672	struct edid *edid;
1673	bool has_audio = false;
1674
1675	if (!intel_sdvo->is_hdmi)
1676		return false;
1677
1678	edid = intel_sdvo_get_edid(connector);
1679	if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1680		has_audio = drm_detect_monitor_audio(edid);
1681
1682	return has_audio;
1683}
1684
1685static int
1686intel_sdvo_set_property(struct drm_connector *connector,
1687			struct drm_property *property,
1688			uint64_t val)
1689{
1690	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1691	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1692	struct drm_i915_private *dev_priv = connector->dev->dev_private;
1693	uint16_t temp_value;
1694	uint8_t cmd;
1695	int ret;
1696
1697	ret = drm_object_property_set_value(&connector->base, property, val);
1698	if (ret)
1699		return ret;
1700
1701	if (property == dev_priv->force_audio_property) {
1702		int i = val;
1703		bool has_audio;
1704
1705		if (i == intel_sdvo_connector->force_audio)
1706			return 0;
1707
1708		intel_sdvo_connector->force_audio = i;
1709
1710		if (i == HDMI_AUDIO_AUTO)
1711			has_audio = intel_sdvo_detect_hdmi_audio(connector);
1712		else
1713			has_audio = (i == HDMI_AUDIO_ON);
1714
1715		if (has_audio == intel_sdvo->has_hdmi_audio)
1716			return 0;
1717
1718		intel_sdvo->has_hdmi_audio = has_audio;
1719		goto done;
1720	}
1721
1722	if (property == dev_priv->broadcast_rgb_property) {
1723		if (val == !!intel_sdvo->color_range)
1724			return 0;
1725
1726		intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1727		goto done;
1728	}
1729
1730#define CHECK_PROPERTY(name, NAME) \
1731	if (intel_sdvo_connector->name == property) { \
1732		if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1733		if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1734		cmd = SDVO_CMD_SET_##NAME; \
1735		intel_sdvo_connector->cur_##name = temp_value; \
1736		goto set_value; \
1737	}
1738
1739	if (property == intel_sdvo_connector->tv_format) {
1740		if (val >= TV_FORMAT_NUM)
1741			return -EINVAL;
1742
1743		if (intel_sdvo->tv_format_index ==
1744		    intel_sdvo_connector->tv_format_supported[val])
1745			return 0;
1746
1747		intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1748		goto done;
1749	} else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1750		temp_value = val;
1751		if (intel_sdvo_connector->left == property) {
1752			drm_object_property_set_value(&connector->base,
1753							 intel_sdvo_connector->right, val);
1754			if (intel_sdvo_connector->left_margin == temp_value)
1755				return 0;
1756
1757			intel_sdvo_connector->left_margin = temp_value;
1758			intel_sdvo_connector->right_margin = temp_value;
1759			temp_value = intel_sdvo_connector->max_hscan -
1760				intel_sdvo_connector->left_margin;
1761			cmd = SDVO_CMD_SET_OVERSCAN_H;
1762			goto set_value;
1763		} else if (intel_sdvo_connector->right == property) {
1764			drm_object_property_set_value(&connector->base,
1765							 intel_sdvo_connector->left, val);
1766			if (intel_sdvo_connector->right_margin == temp_value)
1767				return 0;
1768
1769			intel_sdvo_connector->left_margin = temp_value;
1770			intel_sdvo_connector->right_margin = temp_value;
1771			temp_value = intel_sdvo_connector->max_hscan -
1772				intel_sdvo_connector->left_margin;
1773			cmd = SDVO_CMD_SET_OVERSCAN_H;
1774			goto set_value;
1775		} else if (intel_sdvo_connector->top == property) {
1776			drm_object_property_set_value(&connector->base,
1777							 intel_sdvo_connector->bottom, val);
1778			if (intel_sdvo_connector->top_margin == temp_value)
1779				return 0;
1780
1781			intel_sdvo_connector->top_margin = temp_value;
1782			intel_sdvo_connector->bottom_margin = temp_value;
1783			temp_value = intel_sdvo_connector->max_vscan -
1784				intel_sdvo_connector->top_margin;
1785			cmd = SDVO_CMD_SET_OVERSCAN_V;
1786			goto set_value;
1787		} else if (intel_sdvo_connector->bottom == property) {
1788			drm_object_property_set_value(&connector->base,
1789							 intel_sdvo_connector->top, val);
1790			if (intel_sdvo_connector->bottom_margin == temp_value)
1791				return 0;
1792
1793			intel_sdvo_connector->top_margin = temp_value;
1794			intel_sdvo_connector->bottom_margin = temp_value;
1795			temp_value = intel_sdvo_connector->max_vscan -
1796				intel_sdvo_connector->top_margin;
1797			cmd = SDVO_CMD_SET_OVERSCAN_V;
1798			goto set_value;
1799		}
1800		CHECK_PROPERTY(hpos, HPOS)
1801		CHECK_PROPERTY(vpos, VPOS)
1802		CHECK_PROPERTY(saturation, SATURATION)
1803		CHECK_PROPERTY(contrast, CONTRAST)
1804		CHECK_PROPERTY(hue, HUE)
1805		CHECK_PROPERTY(brightness, BRIGHTNESS)
1806		CHECK_PROPERTY(sharpness, SHARPNESS)
1807		CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1808		CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1809		CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1810		CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1811		CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1812		CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1813	}
1814
1815	return -EINVAL; /* unknown property */
1816
1817set_value:
1818	if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1819		return -EIO;
1820
1821
1822done:
1823	if (intel_sdvo->base.base.crtc) {
1824		struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1825		drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1826					 crtc->y, crtc->fb);
1827	}
1828
1829	return 0;
1830#undef CHECK_PROPERTY
1831}
1832
1833static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1834	.dpms = intel_sdvo_dpms,
1835	.mode_fixup = intel_sdvo_mode_fixup,
1836	.prepare = intel_encoder_prepare,
1837	.mode_set = intel_sdvo_mode_set,
1838	.commit = intel_encoder_commit,
1839};
1840
1841static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1842	.dpms = drm_helper_connector_dpms,
1843	.detect = intel_sdvo_detect,
1844	.fill_modes = drm_helper_probe_single_connector_modes,
1845	.set_property = intel_sdvo_set_property,
1846	.destroy = intel_sdvo_destroy,
1847};
1848
1849static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1850	.get_modes = intel_sdvo_get_modes,
1851	.mode_valid = intel_sdvo_mode_valid,
1852	.best_encoder = intel_best_encoder,
1853};
1854
1855static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1856{
1857	struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1858
1859	if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1860		drm_mode_destroy(encoder->dev,
1861				 intel_sdvo->sdvo_lvds_fixed_mode);
1862
1863	device_delete_child(intel_sdvo->base.base.dev->dev,
1864	    intel_sdvo->ddc_iic_bus);
1865	intel_encoder_destroy(encoder);
1866}
1867
1868static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1869	.destroy = intel_sdvo_enc_destroy,
1870};
1871
1872static void
1873intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1874{
1875	uint16_t mask = 0;
1876	unsigned int num_bits;
1877
1878	/* Make a mask of outputs less than or equal to our own priority in the
1879	 * list.
1880	 */
1881	switch (sdvo->controlled_output) {
1882	case SDVO_OUTPUT_LVDS1:
1883		mask |= SDVO_OUTPUT_LVDS1;
1884	case SDVO_OUTPUT_LVDS0:
1885		mask |= SDVO_OUTPUT_LVDS0;
1886	case SDVO_OUTPUT_TMDS1:
1887		mask |= SDVO_OUTPUT_TMDS1;
1888	case SDVO_OUTPUT_TMDS0:
1889		mask |= SDVO_OUTPUT_TMDS0;
1890	case SDVO_OUTPUT_RGB1:
1891		mask |= SDVO_OUTPUT_RGB1;
1892	case SDVO_OUTPUT_RGB0:
1893		mask |= SDVO_OUTPUT_RGB0;
1894		break;
1895	}
1896
1897	/* Count bits to find what number we are in the priority list. */
1898	mask &= sdvo->caps.output_flags;
1899	num_bits = bitcount16(mask);
1900	/* If more than 3 outputs, default to DDC bus 3 for now. */
1901	if (num_bits > 3)
1902		num_bits = 3;
1903
1904	/* Corresponds to SDVO_CONTROL_BUS_DDCx */
1905	sdvo->ddc_bus = 1 << num_bits;
1906}
1907
1908/**
1909 * Choose the appropriate DDC bus for control bus switch command for this
1910 * SDVO output based on the controlled output.
1911 *
1912 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1913 * outputs, then LVDS outputs.
1914 */
1915static void
1916intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1917			  struct intel_sdvo *sdvo, u32 reg)
1918{
1919	struct sdvo_device_mapping *mapping;
1920
1921	if (sdvo->is_sdvob)
1922		mapping = &(dev_priv->sdvo_mappings[0]);
1923	else
1924		mapping = &(dev_priv->sdvo_mappings[1]);
1925
1926	if (mapping->initialized)
1927		sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1928	else
1929		intel_sdvo_guess_ddc_bus(sdvo);
1930}
1931
1932static void
1933intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1934			  struct intel_sdvo *sdvo, u32 reg)
1935{
1936	struct sdvo_device_mapping *mapping;
1937	u8 pin;
1938
1939	if (sdvo->is_sdvob)
1940		mapping = &dev_priv->sdvo_mappings[0];
1941	else
1942		mapping = &dev_priv->sdvo_mappings[1];
1943
1944	pin = GMBUS_PORT_DPB;
1945	if (mapping->initialized)
1946		pin = mapping->i2c_pin;
1947
1948	if (intel_gmbus_is_port_valid(pin)) {
1949		sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
1950		intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1951		intel_gmbus_force_bit(sdvo->i2c, true);
1952	} else {
1953		sdvo->i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
1954	}
1955}
1956
1957static bool
1958intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1959{
1960	return intel_sdvo_check_supp_encode(intel_sdvo);
1961}
1962
1963static u8
1964intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
1965{
1966	struct drm_i915_private *dev_priv = dev->dev_private;
1967	struct sdvo_device_mapping *my_mapping, *other_mapping;
1968
1969	if (sdvo->is_sdvob) {
1970		my_mapping = &dev_priv->sdvo_mappings[0];
1971		other_mapping = &dev_priv->sdvo_mappings[1];
1972	} else {
1973		my_mapping = &dev_priv->sdvo_mappings[1];
1974		other_mapping = &dev_priv->sdvo_mappings[0];
1975	}
1976
1977	/* If the BIOS described our SDVO device, take advantage of it. */
1978	if (my_mapping->slave_addr)
1979		return my_mapping->slave_addr;
1980
1981	/* If the BIOS only described a different SDVO device, use the
1982	 * address that it isn't using.
1983	 */
1984	if (other_mapping->slave_addr) {
1985		if (other_mapping->slave_addr == 0x70)
1986			return 0x72;
1987		else
1988			return 0x70;
1989	}
1990
1991	/* No SDVO device info is found for another DVO port,
1992	 * so use mapping assumption we had before BIOS parsing.
1993	 */
1994	if (sdvo->is_sdvob)
1995		return 0x70;
1996	else
1997		return 0x72;
1998}
1999
2000static void
2001intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2002			  struct intel_sdvo *encoder)
2003{
2004	drm_connector_init(encoder->base.base.dev,
2005			   &connector->base.base,
2006			   &intel_sdvo_connector_funcs,
2007			   connector->base.base.connector_type);
2008
2009	drm_connector_helper_add(&connector->base.base,
2010				 &intel_sdvo_connector_helper_funcs);
2011
2012	connector->base.base.interlace_allowed = 1;
2013	connector->base.base.doublescan_allowed = 0;
2014	connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2015
2016	intel_connector_attach_encoder(&connector->base, &encoder->base);
2017#if 0
2018	drm_sysfs_connector_add(&connector->base.base);
2019#endif
2020}
2021
2022static void
2023intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2024{
2025	struct drm_device *dev = connector->base.base.dev;
2026
2027	intel_attach_force_audio_property(&connector->base.base);
2028	if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2029		intel_attach_broadcast_rgb_property(&connector->base.base);
2030}
2031
2032static bool
2033intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2034{
2035	struct drm_encoder *encoder = &intel_sdvo->base.base;
2036	struct drm_connector *connector;
2037	struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2038	struct intel_connector *intel_connector;
2039	struct intel_sdvo_connector *intel_sdvo_connector;
2040
2041	intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2042	    DRM_MEM_KMS, M_WAITOK | M_ZERO);
2043
2044	if (device == 0) {
2045		intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2046		intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2047	} else if (device == 1) {
2048		intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2049		intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2050	}
2051
2052	intel_connector = &intel_sdvo_connector->base;
2053	connector = &intel_connector->base;
2054	if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2055		connector->polled = DRM_CONNECTOR_POLL_HPD;
2056		intel_sdvo->hotplug_active[0] |= 1 << device;
2057		/* Some SDVO devices have one-shot hotplug interrupts.
2058		 * Ensure that they get re-enabled when an interrupt happens.
2059		 */
2060		intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2061		intel_sdvo_enable_hotplug(intel_encoder);
2062	}
2063	else
2064		connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2065	encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2066	connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2067
2068	if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2069		connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2070		intel_sdvo->is_hdmi = true;
2071	}
2072	intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2073				       (1 << INTEL_ANALOG_CLONE_BIT));
2074
2075	intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2076	if (intel_sdvo->is_hdmi)
2077		intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2078
2079	return true;
2080}
2081
2082static bool
2083intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2084{
2085	struct drm_encoder *encoder = &intel_sdvo->base.base;
2086	struct drm_connector *connector;
2087	struct intel_connector *intel_connector;
2088	struct intel_sdvo_connector *intel_sdvo_connector;
2089
2090	intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2091	    DRM_MEM_KMS, M_WAITOK | M_ZERO);
2092	if (!intel_sdvo_connector)
2093		return false;
2094
2095	intel_connector = &intel_sdvo_connector->base;
2096	connector = &intel_connector->base;
2097	encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2098	connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2099
2100	intel_sdvo->controlled_output |= type;
2101	intel_sdvo_connector->output_flag = type;
2102
2103	intel_sdvo->is_tv = true;
2104	intel_sdvo->base.needs_tv_clock = true;
2105	intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2106
2107	intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2108
2109	if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2110		goto err;
2111
2112	if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2113		goto err;
2114
2115	return true;
2116
2117err:
2118	intel_sdvo_destroy(connector);
2119	return false;
2120}
2121
2122static bool
2123intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2124{
2125	struct drm_encoder *encoder = &intel_sdvo->base.base;
2126	struct drm_connector *connector;
2127	struct intel_connector *intel_connector;
2128	struct intel_sdvo_connector *intel_sdvo_connector;
2129
2130	intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2131	    DRM_MEM_KMS, M_WAITOK | M_ZERO);
2132
2133	intel_connector = &intel_sdvo_connector->base;
2134	connector = &intel_connector->base;
2135	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2136	encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2137	connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2138
2139	if (device == 0) {
2140		intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2141		intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2142	} else if (device == 1) {
2143		intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2144		intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2145	}
2146
2147	intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2148				       (1 << INTEL_ANALOG_CLONE_BIT));
2149
2150	intel_sdvo_connector_init(intel_sdvo_connector,
2151				  intel_sdvo);
2152	return true;
2153}
2154
2155static bool
2156intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2157{
2158	struct drm_encoder *encoder = &intel_sdvo->base.base;
2159	struct drm_connector *connector;
2160	struct intel_connector *intel_connector;
2161	struct intel_sdvo_connector *intel_sdvo_connector;
2162
2163	intel_sdvo_connector = malloc(sizeof(struct intel_sdvo_connector),
2164	    DRM_MEM_KMS, M_WAITOK | M_ZERO);
2165
2166	intel_connector = &intel_sdvo_connector->base;
2167	connector = &intel_connector->base;
2168	encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2169	connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2170
2171	if (device == 0) {
2172		intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2173		intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2174	} else if (device == 1) {
2175		intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2176		intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2177	}
2178
2179	intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2180				       (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2181
2182	intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2183	if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2184		goto err;
2185
2186	return true;
2187
2188err:
2189	intel_sdvo_destroy(connector);
2190	return false;
2191}
2192
2193static bool
2194intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2195{
2196	intel_sdvo->is_tv = false;
2197	intel_sdvo->base.needs_tv_clock = false;
2198	intel_sdvo->is_lvds = false;
2199
2200	/* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2201
2202	if (flags & SDVO_OUTPUT_TMDS0)
2203		if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2204			return false;
2205
2206	if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2207		if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2208			return false;
2209
2210	/* TV has no XXX1 function block */
2211	if (flags & SDVO_OUTPUT_SVID0)
2212		if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2213			return false;
2214
2215	if (flags & SDVO_OUTPUT_CVBS0)
2216		if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2217			return false;
2218
2219	if (flags & SDVO_OUTPUT_YPRPB0)
2220		if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
2221			return false;
2222
2223	if (flags & SDVO_OUTPUT_RGB0)
2224		if (!intel_sdvo_analog_init(intel_sdvo, 0))
2225			return false;
2226
2227	if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2228		if (!intel_sdvo_analog_init(intel_sdvo, 1))
2229			return false;
2230
2231	if (flags & SDVO_OUTPUT_LVDS0)
2232		if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2233			return false;
2234
2235	if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2236		if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2237			return false;
2238
2239	if ((flags & SDVO_OUTPUT_MASK) == 0) {
2240		unsigned char bytes[2];
2241
2242		intel_sdvo->controlled_output = 0;
2243		memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2244		DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2245			      SDVO_NAME(intel_sdvo),
2246			      bytes[0], bytes[1]);
2247		return false;
2248	}
2249	intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2250
2251	return true;
2252}
2253
2254static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2255					  struct intel_sdvo_connector *intel_sdvo_connector,
2256					  int type)
2257{
2258	struct drm_device *dev = intel_sdvo->base.base.dev;
2259	struct intel_sdvo_tv_format format;
2260	uint32_t format_map, i;
2261
2262	if (!intel_sdvo_set_target_output(intel_sdvo, type))
2263		return false;
2264
2265	CTASSERT(sizeof(format) == 6);
2266	if (!intel_sdvo_get_value(intel_sdvo,
2267				  SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2268				  &format, sizeof(format)))
2269		return false;
2270
2271	memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2272
2273	if (format_map == 0)
2274		return false;
2275
2276	intel_sdvo_connector->format_supported_num = 0;
2277	for (i = 0 ; i < TV_FORMAT_NUM; i++)
2278		if (format_map & (1 << i))
2279			intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2280
2281
2282	intel_sdvo_connector->tv_format =
2283			drm_property_create(dev, DRM_MODE_PROP_ENUM,
2284					    "mode", intel_sdvo_connector->format_supported_num);
2285	if (!intel_sdvo_connector->tv_format)
2286		return false;
2287
2288	for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2289		drm_property_add_enum(
2290				intel_sdvo_connector->tv_format, i,
2291				i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2292
2293	intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2294	drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2295				      intel_sdvo_connector->tv_format, 0);
2296	return true;
2297
2298}
2299
2300#define ENHANCEMENT(name, NAME) do { \
2301	if (enhancements.name) { \
2302		if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2303		    !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2304			return false; \
2305		intel_sdvo_connector->max_##name = data_value[0]; \
2306		intel_sdvo_connector->cur_##name = response; \
2307		intel_sdvo_connector->name = \
2308			drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2309		if (!intel_sdvo_connector->name) return false; \
2310		drm_object_attach_property(&connector->base, \
2311					      intel_sdvo_connector->name, \
2312					      intel_sdvo_connector->cur_##name); \
2313		DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2314			      data_value[0], data_value[1], response); \
2315	} \
2316} while (0)
2317
2318static bool
2319intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2320				      struct intel_sdvo_connector *intel_sdvo_connector,
2321				      struct intel_sdvo_enhancements_reply enhancements)
2322{
2323	struct drm_device *dev = intel_sdvo->base.base.dev;
2324	struct drm_connector *connector = &intel_sdvo_connector->base.base;
2325	uint16_t response, data_value[2];
2326
2327	/* when horizontal overscan is supported, Add the left/right  property */
2328	if (enhancements.overscan_h) {
2329		if (!intel_sdvo_get_value(intel_sdvo,
2330					  SDVO_CMD_GET_MAX_OVERSCAN_H,
2331					  &data_value, 4))
2332			return false;
2333
2334		if (!intel_sdvo_get_value(intel_sdvo,
2335					  SDVO_CMD_GET_OVERSCAN_H,
2336					  &response, 2))
2337			return false;
2338
2339		intel_sdvo_connector->max_hscan = data_value[0];
2340		intel_sdvo_connector->left_margin = data_value[0] - response;
2341		intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2342		intel_sdvo_connector->left =
2343			drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2344		if (!intel_sdvo_connector->left)
2345			return false;
2346
2347		drm_object_attach_property(&connector->base,
2348					      intel_sdvo_connector->left,
2349					      intel_sdvo_connector->left_margin);
2350
2351		intel_sdvo_connector->right =
2352			drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2353		if (!intel_sdvo_connector->right)
2354			return false;
2355
2356		drm_object_attach_property(&connector->base,
2357					      intel_sdvo_connector->right,
2358					      intel_sdvo_connector->right_margin);
2359		DRM_DEBUG_KMS("h_overscan: max %d, "
2360			      "default %d, current %d\n",
2361			      data_value[0], data_value[1], response);
2362	}
2363
2364	if (enhancements.overscan_v) {
2365		if (!intel_sdvo_get_value(intel_sdvo,
2366					  SDVO_CMD_GET_MAX_OVERSCAN_V,
2367					  &data_value, 4))
2368			return false;
2369
2370		if (!intel_sdvo_get_value(intel_sdvo,
2371					  SDVO_CMD_GET_OVERSCAN_V,
2372					  &response, 2))
2373			return false;
2374
2375		intel_sdvo_connector->max_vscan = data_value[0];
2376		intel_sdvo_connector->top_margin = data_value[0] - response;
2377		intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2378		intel_sdvo_connector->top =
2379			drm_property_create_range(dev, 0,
2380					    "top_margin", 0, data_value[0]);
2381		if (!intel_sdvo_connector->top)
2382			return false;
2383
2384		drm_object_attach_property(&connector->base,
2385					      intel_sdvo_connector->top,
2386					      intel_sdvo_connector->top_margin);
2387
2388		intel_sdvo_connector->bottom =
2389			drm_property_create_range(dev, 0,
2390					    "bottom_margin", 0, data_value[0]);
2391		if (!intel_sdvo_connector->bottom)
2392			return false;
2393
2394		drm_object_attach_property(&connector->base,
2395					      intel_sdvo_connector->bottom,
2396					      intel_sdvo_connector->bottom_margin);
2397		DRM_DEBUG_KMS("v_overscan: max %d, "
2398			      "default %d, current %d\n",
2399			      data_value[0], data_value[1], response);
2400	}
2401
2402	ENHANCEMENT(hpos, HPOS);
2403	ENHANCEMENT(vpos, VPOS);
2404	ENHANCEMENT(saturation, SATURATION);
2405	ENHANCEMENT(contrast, CONTRAST);
2406	ENHANCEMENT(hue, HUE);
2407	ENHANCEMENT(sharpness, SHARPNESS);
2408	ENHANCEMENT(brightness, BRIGHTNESS);
2409	ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2410	ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2411	ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2412	ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2413	ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2414
2415	if (enhancements.dot_crawl) {
2416		if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2417			return false;
2418
2419		intel_sdvo_connector->max_dot_crawl = 1;
2420		intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2421		intel_sdvo_connector->dot_crawl =
2422			drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2423		if (!intel_sdvo_connector->dot_crawl)
2424			return false;
2425
2426		drm_object_attach_property(&connector->base,
2427					      intel_sdvo_connector->dot_crawl,
2428					      intel_sdvo_connector->cur_dot_crawl);
2429		DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2430	}
2431
2432	return true;
2433}
2434
2435static bool
2436intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2437					struct intel_sdvo_connector *intel_sdvo_connector,
2438					struct intel_sdvo_enhancements_reply enhancements)
2439{
2440	struct drm_device *dev = intel_sdvo->base.base.dev;
2441	struct drm_connector *connector = &intel_sdvo_connector->base.base;
2442	uint16_t response, data_value[2];
2443
2444	ENHANCEMENT(brightness, BRIGHTNESS);
2445
2446	return true;
2447}
2448#undef ENHANCEMENT
2449
2450static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2451					       struct intel_sdvo_connector *intel_sdvo_connector)
2452{
2453	union {
2454		struct intel_sdvo_enhancements_reply reply;
2455		uint16_t response;
2456	} enhancements;
2457
2458	CTASSERT(sizeof(enhancements) == 2);
2459
2460	enhancements.response = 0;
2461	intel_sdvo_get_value(intel_sdvo,
2462			     SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2463			     &enhancements, sizeof(enhancements));
2464	if (enhancements.response == 0) {
2465		DRM_DEBUG_KMS("No enhancement is supported\n");
2466		return true;
2467	}
2468
2469	if (IS_TV(intel_sdvo_connector))
2470		return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2471	else if (IS_LVDS(intel_sdvo_connector))
2472		return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2473	else
2474		return true;
2475}
2476
2477struct intel_sdvo_ddc_proxy_sc {
2478	struct intel_sdvo *intel_sdvo;
2479	device_t port;
2480};
2481
2482static int
2483intel_sdvo_ddc_proxy_probe(device_t idev)
2484{
2485
2486	return (BUS_PROBE_DEFAULT);
2487}
2488
2489static int
2490intel_sdvo_ddc_proxy_attach(device_t idev)
2491{
2492	struct intel_sdvo_ddc_proxy_sc *sc;
2493
2494	sc = device_get_softc(idev);
2495	sc->port = device_add_child(idev, "iicbus", -1);
2496	if (sc->port == NULL)
2497		return (ENXIO);
2498	device_quiet(sc->port);
2499	bus_generic_attach(idev);
2500	return (0);
2501}
2502
2503static int
2504intel_sdvo_ddc_proxy_detach(device_t idev)
2505{
2506	struct intel_sdvo_ddc_proxy_sc *sc;
2507	device_t port;
2508
2509	sc = device_get_softc(idev);
2510	port = sc->port;
2511	bus_generic_detach(idev);
2512	if (port != NULL)
2513		device_delete_child(idev, port);
2514	return (0);
2515}
2516
2517static int
2518intel_sdvo_ddc_proxy_reset(device_t idev, u_char speed, u_char addr,
2519    u_char *oldaddr)
2520{
2521	struct intel_sdvo_ddc_proxy_sc *sc;
2522	struct intel_sdvo *sdvo;
2523
2524	sc = device_get_softc(idev);
2525	sdvo = sc->intel_sdvo;
2526
2527	return (IICBUS_RESET(device_get_parent(sdvo->i2c), speed, addr,
2528	    oldaddr));
2529}
2530
2531static int
2532intel_sdvo_ddc_proxy_transfer(device_t idev, struct iic_msg *msgs, uint32_t num)
2533{
2534	struct intel_sdvo_ddc_proxy_sc *sc;
2535	struct intel_sdvo *sdvo;
2536
2537	sc = device_get_softc(idev);
2538	sdvo = sc->intel_sdvo;
2539
2540	if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2541		return (EIO);
2542
2543	return (iicbus_transfer(sdvo->i2c, msgs, num));
2544}
2545
2546static bool
2547intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo, struct drm_device *dev,
2548    int sdvo_reg)
2549{
2550	struct intel_sdvo_ddc_proxy_sc *sc;
2551	int ret;
2552
2553	sdvo->ddc_iic_bus = device_add_child(dev->dev,
2554	    "intel_sdvo_ddc_proxy", sdvo_reg);
2555	if (sdvo->ddc_iic_bus == NULL) {
2556		DRM_ERROR("cannot create ddc proxy bus %d\n", sdvo_reg);
2557		return (false);
2558	}
2559	device_quiet(sdvo->ddc_iic_bus);
2560	ret = device_probe_and_attach(sdvo->ddc_iic_bus);
2561	if (ret != 0) {
2562		DRM_ERROR("cannot attach proxy bus %d error %d\n",
2563		    sdvo_reg, ret);
2564		device_delete_child(dev->dev, sdvo->ddc_iic_bus);
2565		return (false);
2566	}
2567	sc = device_get_softc(sdvo->ddc_iic_bus);
2568	sc->intel_sdvo = sdvo;
2569
2570	sdvo->ddc = sc->port;
2571	return (true);
2572}
2573
2574static device_method_t intel_sdvo_ddc_proxy_methods[] = {
2575	DEVMETHOD(device_probe,		intel_sdvo_ddc_proxy_probe),
2576	DEVMETHOD(device_attach,	intel_sdvo_ddc_proxy_attach),
2577	DEVMETHOD(device_detach,	intel_sdvo_ddc_proxy_detach),
2578	DEVMETHOD(iicbus_reset,		intel_sdvo_ddc_proxy_reset),
2579	DEVMETHOD(iicbus_transfer,	intel_sdvo_ddc_proxy_transfer),
2580	DEVMETHOD_END
2581};
2582static driver_t intel_sdvo_ddc_proxy_driver = {
2583	"intel_sdvo_ddc_proxy",
2584	intel_sdvo_ddc_proxy_methods,
2585	sizeof(struct intel_sdvo_ddc_proxy_sc)
2586};
2587static devclass_t intel_sdvo_devclass;
2588DRIVER_MODULE_ORDERED(intel_sdvo_ddc_proxy, drmn, intel_sdvo_ddc_proxy_driver,
2589    intel_sdvo_devclass, 0, 0, SI_ORDER_FIRST);
2590
2591
2592bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2593{
2594	struct drm_i915_private *dev_priv = dev->dev_private;
2595	struct intel_encoder *intel_encoder;
2596	struct intel_sdvo *intel_sdvo;
2597	int i;
2598
2599	intel_sdvo = malloc(sizeof(struct intel_sdvo), DRM_MEM_KMS,
2600	    M_WAITOK | M_ZERO);
2601
2602	intel_sdvo->sdvo_reg = sdvo_reg;
2603	intel_sdvo->is_sdvob = is_sdvob;
2604	intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2605	intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2606	if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev, sdvo_reg)) {
2607		free(intel_sdvo, DRM_MEM_KMS);
2608		return false;
2609	}
2610
2611	/* encoder type will be decided later */
2612	intel_encoder = &intel_sdvo->base;
2613	intel_encoder->type = INTEL_OUTPUT_SDVO;
2614	drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2615
2616	/* Read the regs to test if we can talk to the device */
2617	for (i = 0; i < 0x40; i++) {
2618		u8 byte;
2619
2620		if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2621			DRM_DEBUG_KMS("No SDVO device found on %s\n",
2622				      SDVO_NAME(intel_sdvo));
2623			goto err;
2624		}
2625	}
2626
2627	if (intel_sdvo->is_sdvob)
2628		dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2629	else
2630		dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2631
2632	drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2633
2634	/* In default case sdvo lvds is false */
2635	if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2636		goto err;
2637
2638	/* Set up hotplug command - note paranoia about contents of reply.
2639	 * We assume that the hardware is in a sane state, and only touch
2640	 * the bits we think we understand.
2641	 */
2642	intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
2643			     &intel_sdvo->hotplug_active, 2);
2644	intel_sdvo->hotplug_active[0] &= ~0x3;
2645
2646 	if (intel_sdvo_output_setup(intel_sdvo,
2647 				    intel_sdvo->caps.output_flags) != true) {
2648		DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
2649			      SDVO_NAME(intel_sdvo));
2650 		goto err;
2651 	}
2652
2653	intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2654
2655	/* Set the input timing to the screen. Assume always input 0. */
2656	if (!intel_sdvo_set_target_input(intel_sdvo))
2657		goto err;
2658
2659	if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2660						    &intel_sdvo->pixel_clock_min,
2661						    &intel_sdvo->pixel_clock_max))
2662		goto err;
2663
2664	DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2665			"clock range %dMHz - %dMHz, "
2666			"input 1: %c, input 2: %c, "
2667			"output 1: %c, output 2: %c\n",
2668			SDVO_NAME(intel_sdvo),
2669			intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2670			intel_sdvo->caps.device_rev_id,
2671			intel_sdvo->pixel_clock_min / 1000,
2672			intel_sdvo->pixel_clock_max / 1000,
2673			(intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2674			(intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2675			/* check currently supported outputs */
2676			intel_sdvo->caps.output_flags &
2677			(SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2678			intel_sdvo->caps.output_flags &
2679			(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2680	return true;
2681
2682err:
2683	drm_encoder_cleanup(&intel_encoder->base);
2684	free(intel_sdvo, DRM_MEM_KMS);
2685
2686	return false;
2687}
2688