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   1/*
   2 * Copyright 2006 Dave Airlie <airlied@linux.ie>
   3 * Copyright © 2006-2007 Intel Corporation
   4 *   Jesse Barnes <jesse.barnes@intel.com>
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice (including the next
  14 * paragraph) shall be included in all copies or substantial portions of the
  15 * Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23 * DEALINGS IN THE SOFTWARE.
  24 *
  25 * Authors:
  26 *	Eric Anholt <eric@anholt.net>
  27 */
  28#include <linux/module.h>
  29#include <linux/i2c.h>
  30#include <linux/slab.h>
  31#include <linux/delay.h>
  32#include "drmP.h"
  33#include "drm.h"
  34#include "drm_crtc.h"
  35#include "drm_edid.h"
  36#include "psb_intel_drv.h"
  37#include "gma_drm.h"
  38#include "psb_drv.h"
  39#include "psb_intel_sdvo_regs.h"
  40#include "psb_intel_reg.h"
  41
  42#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
  43#define SDVO_RGB_MASK  (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
  44#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
  45#define SDVO_TV_MASK   (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
  46
  47#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
  48                         SDVO_TV_MASK)
  49
  50#define IS_TV(c)	(c->output_flag & SDVO_TV_MASK)
  51#define IS_TMDS(c)	(c->output_flag & SDVO_TMDS_MASK)
  52#define IS_LVDS(c)	(c->output_flag & SDVO_LVDS_MASK)
  53#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
  54
  55
  56static const char *tv_format_names[] = {
  57	"NTSC_M"   , "NTSC_J"  , "NTSC_443",
  58	"PAL_B"    , "PAL_D"   , "PAL_G"   ,
  59	"PAL_H"    , "PAL_I"   , "PAL_M"   ,
  60	"PAL_N"    , "PAL_NC"  , "PAL_60"  ,
  61	"SECAM_B"  , "SECAM_D" , "SECAM_G" ,
  62	"SECAM_K"  , "SECAM_K1", "SECAM_L" ,
  63	"SECAM_60"
  64};
  65
  66#define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
  67
  68struct psb_intel_sdvo {
  69	struct psb_intel_encoder base;
  70
  71	struct i2c_adapter *i2c;
  72	u8 slave_addr;
  73
  74	struct i2c_adapter ddc;
  75
  76	/* Register for the SDVO device: SDVOB or SDVOC */
  77	int sdvo_reg;
  78
  79	/* Active outputs controlled by this SDVO output */
  80	uint16_t controlled_output;
  81
  82	/*
  83	 * Capabilities of the SDVO device returned by
  84	 * i830_sdvo_get_capabilities()
  85	 */
  86	struct psb_intel_sdvo_caps caps;
  87
  88	/* Pixel clock limitations reported by the SDVO device, in kHz */
  89	int pixel_clock_min, pixel_clock_max;
  90
  91	/*
  92	* For multiple function SDVO device,
  93	* this is for current attached outputs.
  94	*/
  95	uint16_t attached_output;
  96
  97	/**
  98	 * This is used to select the color range of RBG outputs in HDMI mode.
  99	 * It is only valid when using TMDS encoding and 8 bit per color mode.
 100	 */
 101	uint32_t color_range;
 102
 103	/**
 104	 * This is set if we're going to treat the device as TV-out.
 105	 *
 106	 * While we have these nice friendly flags for output types that ought
 107	 * to decide this for us, the S-Video output on our HDMI+S-Video card
 108	 * shows up as RGB1 (VGA).
 109	 */
 110	bool is_tv;
 111
 112	/* This is for current tv format name */
 113	int tv_format_index;
 114
 115	/**
 116	 * This is set if we treat the device as HDMI, instead of DVI.
 117	 */
 118	bool is_hdmi;
 119	bool has_hdmi_monitor;
 120	bool has_hdmi_audio;
 121
 122	/**
 123	 * This is set if we detect output of sdvo device as LVDS and
 124	 * have a valid fixed mode to use with the panel.
 125	 */
 126	bool is_lvds;
 127
 128	/**
 129	 * This is sdvo fixed pannel mode pointer
 130	 */
 131	struct drm_display_mode *sdvo_lvds_fixed_mode;
 132
 133	/* DDC bus used by this SDVO encoder */
 134	uint8_t ddc_bus;
 135
 136	/* Input timings for adjusted_mode */
 137	struct psb_intel_sdvo_dtd input_dtd;
 138};
 139
 140struct psb_intel_sdvo_connector {
 141	struct psb_intel_connector base;
 142
 143	/* Mark the type of connector */
 144	uint16_t output_flag;
 145
 146	int force_audio;
 147
 148	/* This contains all current supported TV format */
 149	u8 tv_format_supported[TV_FORMAT_NUM];
 150	int   format_supported_num;
 151	struct drm_property *tv_format;
 152
 153	/* add the property for the SDVO-TV */
 154	struct drm_property *left;
 155	struct drm_property *right;
 156	struct drm_property *top;
 157	struct drm_property *bottom;
 158	struct drm_property *hpos;
 159	struct drm_property *vpos;
 160	struct drm_property *contrast;
 161	struct drm_property *saturation;
 162	struct drm_property *hue;
 163	struct drm_property *sharpness;
 164	struct drm_property *flicker_filter;
 165	struct drm_property *flicker_filter_adaptive;
 166	struct drm_property *flicker_filter_2d;
 167	struct drm_property *tv_chroma_filter;
 168	struct drm_property *tv_luma_filter;
 169	struct drm_property *dot_crawl;
 170
 171	/* add the property for the SDVO-TV/LVDS */
 172	struct drm_property *brightness;
 173
 174	/* Add variable to record current setting for the above property */
 175	u32	left_margin, right_margin, top_margin, bottom_margin;
 176
 177	/* this is to get the range of margin.*/
 178	u32	max_hscan,  max_vscan;
 179	u32	max_hpos, cur_hpos;
 180	u32	max_vpos, cur_vpos;
 181	u32	cur_brightness, max_brightness;
 182	u32	cur_contrast,	max_contrast;
 183	u32	cur_saturation, max_saturation;
 184	u32	cur_hue,	max_hue;
 185	u32	cur_sharpness,	max_sharpness;
 186	u32	cur_flicker_filter,		max_flicker_filter;
 187	u32	cur_flicker_filter_adaptive,	max_flicker_filter_adaptive;
 188	u32	cur_flicker_filter_2d,		max_flicker_filter_2d;
 189	u32	cur_tv_chroma_filter,	max_tv_chroma_filter;
 190	u32	cur_tv_luma_filter,	max_tv_luma_filter;
 191	u32	cur_dot_crawl,	max_dot_crawl;
 192};
 193
 194static struct psb_intel_sdvo *to_psb_intel_sdvo(struct drm_encoder *encoder)
 195{
 196	return container_of(encoder, struct psb_intel_sdvo, base.base);
 197}
 198
 199static struct psb_intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
 200{
 201	return container_of(psb_intel_attached_encoder(connector),
 202			    struct psb_intel_sdvo, base);
 203}
 204
 205static struct psb_intel_sdvo_connector *to_psb_intel_sdvo_connector(struct drm_connector *connector)
 206{
 207	return container_of(to_psb_intel_connector(connector), struct psb_intel_sdvo_connector, base);
 208}
 209
 210static bool
 211psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags);
 212static bool
 213psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
 214			      struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
 215			      int type);
 216static bool
 217psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
 218				   struct psb_intel_sdvo_connector *psb_intel_sdvo_connector);
 219
 220/**
 221 * Writes the SDVOB or SDVOC with the given value, but always writes both
 222 * SDVOB and SDVOC to work around apparent hardware issues (according to
 223 * comments in the BIOS).
 224 */
 225static void psb_intel_sdvo_write_sdvox(struct psb_intel_sdvo *psb_intel_sdvo, u32 val)
 226{
 227	struct drm_device *dev = psb_intel_sdvo->base.base.dev;
 228	u32 bval = val, cval = val;
 229	int i;
 230
 231	if (psb_intel_sdvo->sdvo_reg == SDVOB) {
 232		cval = REG_READ(SDVOC);
 233	} else {
 234		bval = REG_READ(SDVOB);
 235	}
 236	/*
 237	 * Write the registers twice for luck. Sometimes,
 238	 * writing them only once doesn't appear to 'stick'.
 239	 * The BIOS does this too. Yay, magic
 240	 */
 241	for (i = 0; i < 2; i++)
 242	{
 243		REG_WRITE(SDVOB, bval);
 244		REG_READ(SDVOB);
 245		REG_WRITE(SDVOC, cval);
 246		REG_READ(SDVOC);
 247	}
 248}
 249
 250static bool psb_intel_sdvo_read_byte(struct psb_intel_sdvo *psb_intel_sdvo, u8 addr, u8 *ch)
 251{
 252	struct i2c_msg msgs[] = {
 253		{
 254			.addr = psb_intel_sdvo->slave_addr,
 255			.flags = 0,
 256			.len = 1,
 257			.buf = &addr,
 258		},
 259		{
 260			.addr = psb_intel_sdvo->slave_addr,
 261			.flags = I2C_M_RD,
 262			.len = 1,
 263			.buf = ch,
 264		}
 265	};
 266	int ret;
 267
 268	if ((ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, 2)) == 2)
 269		return true;
 270
 271	DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
 272	return false;
 273}
 274
 275#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
 276/** Mapping of command numbers to names, for debug output */
 277static const struct _sdvo_cmd_name {
 278	u8 cmd;
 279	const char *name;
 280} sdvo_cmd_names[] = {
 281    SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
 282    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
 283    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
 284    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
 285    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
 286    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
 287    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
 288    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
 289    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
 290    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
 291    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
 292    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
 293    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
 294    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
 295    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
 296    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
 297    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
 298    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 299    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
 300    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
 301    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
 302    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
 303    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
 304    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
 305    SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
 306    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
 307    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
 308    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
 309    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
 310    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
 311    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
 312    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
 313    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
 314    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
 315    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
 316    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
 317    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
 318    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
 319    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
 320    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
 321    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
 322    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
 323    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
 324
 325    /* Add the op code for SDVO enhancements */
 326    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
 327    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
 328    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
 329    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
 330    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
 331    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
 332    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
 333    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
 334    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
 335    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
 336    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
 337    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
 338    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
 339    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
 340    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
 341    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
 342    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
 343    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
 344    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
 345    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
 346    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
 347    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
 348    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
 349    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
 350    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
 351    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
 352    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
 353    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
 354    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
 355    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
 356    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
 357    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
 358    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
 359    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
 360    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
 361    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
 362    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
 363    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
 364    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
 365    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
 366    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
 367    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
 368    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
 369    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
 370
 371    /* HDMI op code */
 372    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
 373    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
 374    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
 375    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
 376    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
 377    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
 378    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
 379    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
 380    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
 381    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
 382    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
 383    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
 384    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
 385    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
 386    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
 387    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
 388    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
 389    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
 390    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
 391    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
 392};
 393
 394#define IS_SDVOB(reg)	(reg == SDVOB)
 395#define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
 396
 397static void psb_intel_sdvo_debug_write(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 398				   const void *args, int args_len)
 399{
 400	int i;
 401
 402	DRM_DEBUG_KMS("%s: W: %02X ",
 403				SDVO_NAME(psb_intel_sdvo), cmd);
 404	for (i = 0; i < args_len; i++)
 405		DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 406	for (; i < 8; i++)
 407		DRM_LOG_KMS("   ");
 408	for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
 409		if (cmd == sdvo_cmd_names[i].cmd) {
 410			DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 411			break;
 412		}
 413	}
 414	if (i == ARRAY_SIZE(sdvo_cmd_names))
 415		DRM_LOG_KMS("(%02X)", cmd);
 416	DRM_LOG_KMS("\n");
 417}
 418
 419static const char *cmd_status_names[] = {
 420	"Power on",
 421	"Success",
 422	"Not supported",
 423	"Invalid arg",
 424	"Pending",
 425	"Target not specified",
 426	"Scaling not supported"
 427};
 428
 429static bool psb_intel_sdvo_write_cmd(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 430				 const void *args, int args_len)
 431{
 432	u8 buf[args_len*2 + 2], status;
 433	struct i2c_msg msgs[args_len + 3];
 434	int i, ret;
 435
 436	psb_intel_sdvo_debug_write(psb_intel_sdvo, cmd, args, args_len);
 437
 438	for (i = 0; i < args_len; i++) {
 439		msgs[i].addr = psb_intel_sdvo->slave_addr;
 440		msgs[i].flags = 0;
 441		msgs[i].len = 2;
 442		msgs[i].buf = buf + 2 *i;
 443		buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
 444		buf[2*i + 1] = ((u8*)args)[i];
 445	}
 446	msgs[i].addr = psb_intel_sdvo->slave_addr;
 447	msgs[i].flags = 0;
 448	msgs[i].len = 2;
 449	msgs[i].buf = buf + 2*i;
 450	buf[2*i + 0] = SDVO_I2C_OPCODE;
 451	buf[2*i + 1] = cmd;
 452
 453	/* the following two are to read the response */
 454	status = SDVO_I2C_CMD_STATUS;
 455	msgs[i+1].addr = psb_intel_sdvo->slave_addr;
 456	msgs[i+1].flags = 0;
 457	msgs[i+1].len = 1;
 458	msgs[i+1].buf = &status;
 459
 460	msgs[i+2].addr = psb_intel_sdvo->slave_addr;
 461	msgs[i+2].flags = I2C_M_RD;
 462	msgs[i+2].len = 1;
 463	msgs[i+2].buf = &status;
 464
 465	ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, i+3);
 466	if (ret < 0) {
 467		DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
 468		return false;
 469	}
 470	if (ret != i+3) {
 471		/* failure in I2C transfer */
 472		DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
 473		return false;
 474	}
 475
 476	return true;
 477}
 478
 479static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo,
 480				     void *response, int response_len)
 481{
 482	u8 retry = 5;
 483	u8 status;
 484	int i;
 485
 486	DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(psb_intel_sdvo));
 487
 488	/*
 489	 * The documentation states that all commands will be
 490	 * processed within 15µs, and that we need only poll
 491	 * the status byte a maximum of 3 times in order for the
 492	 * command to be complete.
 493	 *
 494	 * Check 5 times in case the hardware failed to read the docs.
 495	 */
 496	if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 497				  SDVO_I2C_CMD_STATUS,
 498				  &status))
 499		goto log_fail;
 500
 501	while (status == SDVO_CMD_STATUS_PENDING && retry--) {
 502		udelay(15);
 503		if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 504					  SDVO_I2C_CMD_STATUS,
 505					  &status))
 506			goto log_fail;
 507	}
 508
 509	if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
 510		DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 511	else
 512		DRM_LOG_KMS("(??? %d)", status);
 513
 514	if (status != SDVO_CMD_STATUS_SUCCESS)
 515		goto log_fail;
 516
 517	/* Read the command response */
 518	for (i = 0; i < response_len; i++) {
 519		if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
 520					  SDVO_I2C_RETURN_0 + i,
 521					  &((u8 *)response)[i]))
 522			goto log_fail;
 523		DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
 524	}
 525	DRM_LOG_KMS("\n");
 526	return true;
 527
 528log_fail:
 529	DRM_LOG_KMS("... failed\n");
 530	return false;
 531}
 532
 533static int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
 534{
 535	if (mode->clock >= 100000)
 536		return 1;
 537	else if (mode->clock >= 50000)
 538		return 2;
 539	else
 540		return 4;
 541}
 542
 543static bool psb_intel_sdvo_set_control_bus_switch(struct psb_intel_sdvo *psb_intel_sdvo,
 544					      u8 ddc_bus)
 545{
 546	/* This must be the immediately preceding write before the i2c xfer */
 547	return psb_intel_sdvo_write_cmd(psb_intel_sdvo,
 548				    SDVO_CMD_SET_CONTROL_BUS_SWITCH,
 549				    &ddc_bus, 1);
 550}
 551
 552static bool psb_intel_sdvo_set_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, const void *data, int len)
 553{
 554	if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, data, len))
 555		return false;
 556
 557	return psb_intel_sdvo_read_response(psb_intel_sdvo, NULL, 0);
 558}
 559
 560static bool
 561psb_intel_sdvo_get_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, void *value, int len)
 562{
 563	if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, NULL, 0))
 564		return false;
 565
 566	return psb_intel_sdvo_read_response(psb_intel_sdvo, value, len);
 567}
 568
 569static bool psb_intel_sdvo_set_target_input(struct psb_intel_sdvo *psb_intel_sdvo)
 570{
 571	struct psb_intel_sdvo_set_target_input_args targets = {0};
 572	return psb_intel_sdvo_set_value(psb_intel_sdvo,
 573				    SDVO_CMD_SET_TARGET_INPUT,
 574				    &targets, sizeof(targets));
 575}
 576
 577/**
 578 * Return whether each input is trained.
 579 *
 580 * This function is making an assumption about the layout of the response,
 581 * which should be checked against the docs.
 582 */
 583static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_sdvo *psb_intel_sdvo, bool *input_1, bool *input_2)
 584{
 585	struct psb_intel_sdvo_get_trained_inputs_response response;
 586
 587	BUILD_BUG_ON(sizeof(response) != 1);
 588	if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
 589				  &response, sizeof(response)))
 590		return false;
 591
 592	*input_1 = response.input0_trained;
 593	*input_2 = response.input1_trained;
 594	return true;
 595}
 596
 597static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_sdvo *psb_intel_sdvo,
 598					  u16 outputs)
 599{
 600	return psb_intel_sdvo_set_value(psb_intel_sdvo,
 601				    SDVO_CMD_SET_ACTIVE_OUTPUTS,
 602				    &outputs, sizeof(outputs));
 603}
 604
 605static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_sdvo *psb_intel_sdvo,
 606					       int mode)
 607{
 608	u8 state = SDVO_ENCODER_STATE_ON;
 609
 610	switch (mode) {
 611	case DRM_MODE_DPMS_ON:
 612		state = SDVO_ENCODER_STATE_ON;
 613		break;
 614	case DRM_MODE_DPMS_STANDBY:
 615		state = SDVO_ENCODER_STATE_STANDBY;
 616		break;
 617	case DRM_MODE_DPMS_SUSPEND:
 618		state = SDVO_ENCODER_STATE_SUSPEND;
 619		break;
 620	case DRM_MODE_DPMS_OFF:
 621		state = SDVO_ENCODER_STATE_OFF;
 622		break;
 623	}
 624
 625	return psb_intel_sdvo_set_value(psb_intel_sdvo,
 626				    SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
 627}
 628
 629static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_sdvo *psb_intel_sdvo,
 630						   int *clock_min,
 631						   int *clock_max)
 632{
 633	struct psb_intel_sdvo_pixel_clock_range clocks;
 634
 635	BUILD_BUG_ON(sizeof(clocks) != 4);
 636	if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
 637				  SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
 638				  &clocks, sizeof(clocks)))
 639		return false;
 640
 641	/* Convert the values from units of 10 kHz to kHz. */
 642	*clock_min = clocks.min * 10;
 643	*clock_max = clocks.max * 10;
 644	return true;
 645}
 646
 647static bool psb_intel_sdvo_set_target_output(struct psb_intel_sdvo *psb_intel_sdvo,
 648					 u16 outputs)
 649{
 650	return psb_intel_sdvo_set_value(psb_intel_sdvo,
 651				    SDVO_CMD_SET_TARGET_OUTPUT,
 652				    &outputs, sizeof(outputs));
 653}
 654
 655static bool psb_intel_sdvo_set_timing(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
 656				  struct psb_intel_sdvo_dtd *dtd)
 657{
 658	return psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
 659		psb_intel_sdvo_set_value(psb_intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
 660}
 661
 662static bool psb_intel_sdvo_set_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 663					 struct psb_intel_sdvo_dtd *dtd)
 664{
 665	return psb_intel_sdvo_set_timing(psb_intel_sdvo,
 666				     SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
 667}
 668
 669static bool psb_intel_sdvo_set_output_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 670					 struct psb_intel_sdvo_dtd *dtd)
 671{
 672	return psb_intel_sdvo_set_timing(psb_intel_sdvo,
 673				     SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
 674}
 675
 676static bool
 677psb_intel_sdvo_create_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 678					 uint16_t clock,
 679					 uint16_t width,
 680					 uint16_t height)
 681{
 682	struct psb_intel_sdvo_preferred_input_timing_args args;
 683
 684	memset(&args, 0, sizeof(args));
 685	args.clock = clock;
 686	args.width = width;
 687	args.height = height;
 688	args.interlace = 0;
 689
 690	if (psb_intel_sdvo->is_lvds &&
 691	   (psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
 692	    psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
 693		args.scaled = 1;
 694
 695	return psb_intel_sdvo_set_value(psb_intel_sdvo,
 696				    SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
 697				    &args, sizeof(args));
 698}
 699
 700static bool psb_intel_sdvo_get_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
 701						  struct psb_intel_sdvo_dtd *dtd)
 702{
 703	BUILD_BUG_ON(sizeof(dtd->part1) != 8);
 704	BUILD_BUG_ON(sizeof(dtd->part2) != 8);
 705	return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
 706				    &dtd->part1, sizeof(dtd->part1)) &&
 707		psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
 708				     &dtd->part2, sizeof(dtd->part2));
 709}
 710
 711static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_sdvo *psb_intel_sdvo, u8 val)
 712{
 713	return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
 714}
 715
 716static void psb_intel_sdvo_get_dtd_from_mode(struct psb_intel_sdvo_dtd *dtd,
 717					 const struct drm_display_mode *mode)
 718{
 719	uint16_t width, height;
 720	uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 721	uint16_t h_sync_offset, v_sync_offset;
 722
 723	width = mode->crtc_hdisplay;
 724	height = mode->crtc_vdisplay;
 725
 726	/* do some mode translations */
 727	h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
 728	h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
 729
 730	v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
 731	v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
 732
 733	h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 734	v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 735
 736	dtd->part1.clock = mode->clock / 10;
 737	dtd->part1.h_active = width & 0xff;
 738	dtd->part1.h_blank = h_blank_len & 0xff;
 739	dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
 740		((h_blank_len >> 8) & 0xf);
 741	dtd->part1.v_active = height & 0xff;
 742	dtd->part1.v_blank = v_blank_len & 0xff;
 743	dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
 744		((v_blank_len >> 8) & 0xf);
 745
 746	dtd->part2.h_sync_off = h_sync_offset & 0xff;
 747	dtd->part2.h_sync_width = h_sync_len & 0xff;
 748	dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
 749		(v_sync_len & 0xf);
 750	dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
 751		((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
 752		((v_sync_len & 0x30) >> 4);
 753
 754	dtd->part2.dtd_flags = 0x18;
 755	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
 756		dtd->part2.dtd_flags |= 0x2;
 757	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 758		dtd->part2.dtd_flags |= 0x4;
 759
 760	dtd->part2.sdvo_flags = 0;
 761	dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
 762	dtd->part2.reserved = 0;
 763}
 764
 765static void psb_intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
 766					 const struct psb_intel_sdvo_dtd *dtd)
 767{
 768	mode->hdisplay = dtd->part1.h_active;
 769	mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
 770	mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
 771	mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
 772	mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
 773	mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
 774	mode->htotal = mode->hdisplay + dtd->part1.h_blank;
 775	mode->htotal += (dtd->part1.h_high & 0xf) << 8;
 776
 777	mode->vdisplay = dtd->part1.v_active;
 778	mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
 779	mode->vsync_start = mode->vdisplay;
 780	mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
 781	mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
 782	mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
 783	mode->vsync_end = mode->vsync_start +
 784		(dtd->part2.v_sync_off_width & 0xf);
 785	mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
 786	mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
 787	mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
 788
 789	mode->clock = dtd->part1.clock * 10;
 790
 791	mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
 792	if (dtd->part2.dtd_flags & 0x2)
 793		mode->flags |= DRM_MODE_FLAG_PHSYNC;
 794	if (dtd->part2.dtd_flags & 0x4)
 795		mode->flags |= DRM_MODE_FLAG_PVSYNC;
 796}
 797
 798static bool psb_intel_sdvo_check_supp_encode(struct psb_intel_sdvo *psb_intel_sdvo)
 799{
 800	struct psb_intel_sdvo_encode encode;
 801
 802	BUILD_BUG_ON(sizeof(encode) != 2);
 803	return psb_intel_sdvo_get_value(psb_intel_sdvo,
 804				  SDVO_CMD_GET_SUPP_ENCODE,
 805				  &encode, sizeof(encode));
 806}
 807
 808static bool psb_intel_sdvo_set_encode(struct psb_intel_sdvo *psb_intel_sdvo,
 809				  uint8_t mode)
 810{
 811	return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
 812}
 813
 814static bool psb_intel_sdvo_set_colorimetry(struct psb_intel_sdvo *psb_intel_sdvo,
 815				       uint8_t mode)
 816{
 817	return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
 818}
 819
 820#if 0
 821static void psb_intel_sdvo_dump_hdmi_buf(struct psb_intel_sdvo *psb_intel_sdvo)
 822{
 823	int i, j;
 824	uint8_t set_buf_index[2];
 825	uint8_t av_split;
 826	uint8_t buf_size;
 827	uint8_t buf[48];
 828	uint8_t *pos;
 829
 830	psb_intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
 831
 832	for (i = 0; i <= av_split; i++) {
 833		set_buf_index[0] = i; set_buf_index[1] = 0;
 834		psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
 835				     set_buf_index, 2);
 836		psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
 837		psb_intel_sdvo_read_response(encoder, &buf_size, 1);
 838
 839		pos = buf;
 840		for (j = 0; j <= buf_size; j += 8) {
 841			psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
 842					     NULL, 0);
 843			psb_intel_sdvo_read_response(encoder, pos, 8);
 844			pos += 8;
 845		}
 846	}
 847}
 848#endif
 849
 850static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sdvo)
 851{
 852	DRM_INFO("HDMI is not supported yet");
 853
 854	return false;
 855#if 0
 856	struct dip_infoframe avi_if = {
 857		.type = DIP_TYPE_AVI,
 858		.ver = DIP_VERSION_AVI,
 859		.len = DIP_LEN_AVI,
 860	};
 861	uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
 862	uint8_t set_buf_index[2] = { 1, 0 };
 863	uint64_t *data = (uint64_t *)&avi_if;
 864	unsigned i;
 865
 866	intel_dip_infoframe_csum(&avi_if);
 867
 868	if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
 869				  SDVO_CMD_SET_HBUF_INDEX,
 870				  set_buf_index, 2))
 871		return false;
 872
 873	for (i = 0; i < sizeof(avi_if); i += 8) {
 874		if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
 875					  SDVO_CMD_SET_HBUF_DATA,
 876					  data, 8))
 877			return false;
 878		data++;
 879	}
 880
 881	return psb_intel_sdvo_set_value(psb_intel_sdvo,
 882				    SDVO_CMD_SET_HBUF_TXRATE,
 883				    &tx_rate, 1);
 884#endif
 885}
 886
 887static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo)
 888{
 889	struct psb_intel_sdvo_tv_format format;
 890	uint32_t format_map;
 891
 892	format_map = 1 << psb_intel_sdvo->tv_format_index;
 893	memset(&format, 0, sizeof(format));
 894	memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 895
 896	BUILD_BUG_ON(sizeof(format) != 6);
 897	return psb_intel_sdvo_set_value(psb_intel_sdvo,
 898				    SDVO_CMD_SET_TV_FORMAT,
 899				    &format, sizeof(format));
 900}
 901
 902static bool
 903psb_intel_sdvo_set_output_timings_from_mode(struct psb_intel_sdvo *psb_intel_sdvo,
 904					struct drm_display_mode *mode)
 905{
 906	struct psb_intel_sdvo_dtd output_dtd;
 907
 908	if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
 909					  psb_intel_sdvo->attached_output))
 910		return false;
 911
 912	psb_intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
 913	if (!psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &output_dtd))
 914		return false;
 915
 916	return true;
 917}
 918
 919static bool
 920psb_intel_sdvo_set_input_timings_for_mode(struct psb_intel_sdvo *psb_intel_sdvo,
 921					struct drm_display_mode *mode,
 922					struct drm_display_mode *adjusted_mode)
 923{
 924	/* Reset the input timing to the screen. Assume always input 0. */
 925	if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
 926		return false;
 927
 928	if (!psb_intel_sdvo_create_preferred_input_timing(psb_intel_sdvo,
 929						      mode->clock / 10,
 930						      mode->hdisplay,
 931						      mode->vdisplay))
 932		return false;
 933
 934	if (!psb_intel_sdvo_get_preferred_input_timing(psb_intel_sdvo,
 935						   &psb_intel_sdvo->input_dtd))
 936		return false;
 937
 938	psb_intel_sdvo_get_mode_from_dtd(adjusted_mode, &psb_intel_sdvo->input_dtd);
 939
 940	drm_mode_set_crtcinfo(adjusted_mode, 0);
 941	return true;
 942}
 943
 944static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
 945				  struct drm_display_mode *mode,
 946				  struct drm_display_mode *adjusted_mode)
 947{
 948	struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
 949	int multiplier;
 950
 951	/* We need to construct preferred input timings based on our
 952	 * output timings.  To do that, we have to set the output
 953	 * timings, even though this isn't really the right place in
 954	 * the sequence to do it. Oh well.
 955	 */
 956	if (psb_intel_sdvo->is_tv) {
 957		if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo, mode))
 958			return false;
 959
 960		(void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
 961							     mode,
 962							     adjusted_mode);
 963	} else if (psb_intel_sdvo->is_lvds) {
 964		if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo,
 965							     psb_intel_sdvo->sdvo_lvds_fixed_mode))
 966			return false;
 967
 968		(void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
 969							     mode,
 970							     adjusted_mode);
 971	}
 972
 973	/* Make the CRTC code factor in the SDVO pixel multiplier.  The
 974	 * SDVO device will factor out the multiplier during mode_set.
 975	 */
 976	multiplier = psb_intel_sdvo_get_pixel_multiplier(adjusted_mode);
 977	psb_intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
 978
 979	return true;
 980}
 981
 982static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
 983				struct drm_display_mode *mode,
 984				struct drm_display_mode *adjusted_mode)
 985{
 986	struct drm_device *dev = encoder->dev;
 987	struct drm_crtc *crtc = encoder->crtc;
 988	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
 989	struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
 990	u32 sdvox;
 991	struct psb_intel_sdvo_in_out_map in_out;
 992	struct psb_intel_sdvo_dtd input_dtd;
 993	int pixel_multiplier = psb_intel_mode_get_pixel_multiplier(adjusted_mode);
 994	int rate;
 995
 996	if (!mode)
 997		return;
 998
 999	/* First, set the input mapping for the first input to our controlled
1000	 * output. This is only correct if we're a single-input device, in
1001	 * which case the first input is the output from the appropriate SDVO
1002	 * channel on the motherboard.  In a two-input device, the first input
1003	 * will be SDVOB and the second SDVOC.
1004	 */
1005	in_out.in0 = psb_intel_sdvo->attached_output;
1006	in_out.in1 = 0;
1007
1008	psb_intel_sdvo_set_value(psb_intel_sdvo,
1009			     SDVO_CMD_SET_IN_OUT_MAP,
1010			     &in_out, sizeof(in_out));
1011
1012	/* Set the output timings to the screen */
1013	if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1014					  psb_intel_sdvo->attached_output))
1015		return;
1016
1017	/* We have tried to get input timing in mode_fixup, and filled into
1018	 * adjusted_mode.
1019	 */
1020	if (psb_intel_sdvo->is_tv || psb_intel_sdvo->is_lvds) {
1021		input_dtd = psb_intel_sdvo->input_dtd;
1022	} else {
1023		/* Set the output timing to the screen */
1024		if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1025						  psb_intel_sdvo->attached_output))
1026			return;
1027
1028		psb_intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1029		(void) psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &input_dtd);
1030	}
1031
1032	/* Set the input timing to the screen. Assume always input 0. */
1033	if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
1034		return;
1035
1036	if (psb_intel_sdvo->has_hdmi_monitor) {
1037		psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_HDMI);
1038		psb_intel_sdvo_set_colorimetry(psb_intel_sdvo,
1039					   SDVO_COLORIMETRY_RGB256);
1040		psb_intel_sdvo_set_avi_infoframe(psb_intel_sdvo);
1041	} else
1042		psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_DVI);
1043
1044	if (psb_intel_sdvo->is_tv &&
1045	    !psb_intel_sdvo_set_tv_format(psb_intel_sdvo))
1046		return;
1047
1048	(void) psb_intel_sdvo_set_input_timing(psb_intel_sdvo, &input_dtd);
1049
1050	switch (pixel_multiplier) {
1051	default:
1052	case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1053	case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1054	case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1055	}
1056	if (!psb_intel_sdvo_set_clock_rate_mult(psb_intel_sdvo, rate))
1057		return;
1058
1059	/* Set the SDVO control regs. */
1060	sdvox = REG_READ(psb_intel_sdvo->sdvo_reg);
1061	switch (psb_intel_sdvo->sdvo_reg) {
1062	case SDVOB:
1063		sdvox &= SDVOB_PRESERVE_MASK;
1064		break;
1065	case SDVOC:
1066		sdvox &= SDVOC_PRESERVE_MASK;
1067		break;
1068	}
1069	sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1070
1071	if (psb_intel_crtc->pipe == 1)
1072		sdvox |= SDVO_PIPE_B_SELECT;
1073	if (psb_intel_sdvo->has_hdmi_audio)
1074		sdvox |= SDVO_AUDIO_ENABLE;
1075
1076	/* FIXME: Check if this is needed for PSB
1077	sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1078	*/
1079
1080	if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
1081		sdvox |= SDVO_STALL_SELECT;
1082	psb_intel_sdvo_write_sdvox(psb_intel_sdvo, sdvox);
1083}
1084
1085static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1086{
1087	struct drm_device *dev = encoder->dev;
1088	struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1089	u32 temp;
1090
1091	switch (mode) {
1092	case DRM_MODE_DPMS_ON:
1093		DRM_DEBUG("DPMS_ON");
1094		break;
1095	case DRM_MODE_DPMS_OFF:
1096		DRM_DEBUG("DPMS_OFF");
1097		break;
1098	default:
1099		DRM_DEBUG("DPMS: %d", mode);
1100	}
1101
1102	if (mode != DRM_MODE_DPMS_ON) {
1103		psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, 0);
1104		if (0)
1105			psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1106
1107		if (mode == DRM_MODE_DPMS_OFF) {
1108			temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1109			if ((temp & SDVO_ENABLE) != 0) {
1110				psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp & ~SDVO_ENABLE);
1111			}
1112		}
1113	} else {
1114		bool input1, input2;
1115		int i;
1116		u8 status;
1117
1118		temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1119		if ((temp & SDVO_ENABLE) == 0)
1120			psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp | SDVO_ENABLE);
1121		for (i = 0; i < 2; i++)
1122			psb_intel_wait_for_vblank(dev);
1123
1124		status = psb_intel_sdvo_get_trained_inputs(psb_intel_sdvo, &input1, &input2);
1125		/* Warn if the device reported failure to sync.
1126		 * A lot of SDVO devices fail to notify of sync, but it's
1127		 * a given it the status is a success, we succeeded.
1128		 */
1129		if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1130			DRM_DEBUG_KMS("First %s output reported failure to "
1131					"sync\n", SDVO_NAME(psb_intel_sdvo));
1132		}
1133
1134		if (0)
1135			psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1136		psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, psb_intel_sdvo->attached_output);
1137	}
1138	return;
1139}
1140
1141static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
1142				 struct drm_display_mode *mode)
1143{
1144	struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1145
1146	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1147		return MODE_NO_DBLESCAN;
1148
1149	if (psb_intel_sdvo->pixel_clock_min > mode->clock)
1150		return MODE_CLOCK_LOW;
1151
1152	if (psb_intel_sdvo->pixel_clock_max < mode->clock)
1153		return MODE_CLOCK_HIGH;
1154
1155	if (psb_intel_sdvo->is_lvds) {
1156		if (mode->hdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1157			return MODE_PANEL;
1158
1159		if (mode->vdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1160			return MODE_PANEL;
1161	}
1162
1163	return MODE_OK;
1164}
1165
1166static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdvo, struct psb_intel_sdvo_caps *caps)
1167{
1168	BUILD_BUG_ON(sizeof(*caps) != 8);
1169	if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
1170				  SDVO_CMD_GET_DEVICE_CAPS,
1171				  caps, sizeof(*caps)))
1172		return false;
1173
1174	DRM_DEBUG_KMS("SDVO capabilities:\n"
1175		      "  vendor_id: %d\n"
1176		      "  device_id: %d\n"
1177		      "  device_rev_id: %d\n"
1178		      "  sdvo_version_major: %d\n"
1179		      "  sdvo_version_minor: %d\n"
1180		      "  sdvo_inputs_mask: %d\n"
1181		      "  smooth_scaling: %d\n"
1182		      "  sharp_scaling: %d\n"
1183		      "  up_scaling: %d\n"
1184		      "  down_scaling: %d\n"
1185		      "  stall_support: %d\n"
1186		      "  output_flags: %d\n",
1187		      caps->vendor_id,
1188		      caps->device_id,
1189		      caps->device_rev_id,
1190		      caps->sdvo_version_major,
1191		      caps->sdvo_version_minor,
1192		      caps->sdvo_inputs_mask,
1193		      caps->smooth_scaling,
1194		      caps->sharp_scaling,
1195		      caps->up_scaling,
1196		      caps->down_scaling,
1197		      caps->stall_support,
1198		      caps->output_flags);
1199
1200	return true;
1201}
1202
1203/* No use! */
1204#if 0
1205struct drm_connector* psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
1206{
1207	struct drm_connector *connector = NULL;
1208	struct psb_intel_sdvo *iout = NULL;
1209	struct psb_intel_sdvo *sdvo;
1210
1211	/* find the sdvo connector */
1212	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1213		iout = to_psb_intel_sdvo(connector);
1214
1215		if (iout->type != INTEL_OUTPUT_SDVO)
1216			continue;
1217
1218		sdvo = iout->dev_priv;
1219
1220		if (sdvo->sdvo_reg == SDVOB && sdvoB)
1221			return connector;
1222
1223		if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1224			return connector;
1225
1226	}
1227
1228	return NULL;
1229}
1230
1231int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
1232{
1233	u8 response[2];
1234	u8 status;
1235	struct psb_intel_sdvo *psb_intel_sdvo;
1236	DRM_DEBUG_KMS("\n");
1237
1238	if (!connector)
1239		return 0;
1240
1241	psb_intel_sdvo = to_psb_intel_sdvo(connector);
1242
1243	return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1244				    &response, 2) && response[0];
1245}
1246
1247void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1248{
1249	u8 response[2];
1250	u8 status;
1251	struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(connector);
1252
1253	psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1254	psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1255
1256	if (on) {
1257		psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1258		status = psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1259
1260		psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1261	} else {
1262		response[0] = 0;
1263		response[1] = 0;
1264		psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1265	}
1266
1267	psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1268	psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1269}
1270#endif
1271
1272static bool
1273psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo)
1274{
1275	/* Is there more than one type of output? */
1276	int caps = psb_intel_sdvo->caps.output_flags & 0xf;
1277	return caps & -caps;
1278}
1279
1280static struct edid *
1281psb_intel_sdvo_get_edid(struct drm_connector *connector)
1282{
1283	struct psb_intel_sdvo *sdvo = intel_attached_sdvo(connector);
1284	return drm_get_edid(connector, &sdvo->ddc);
1285}
1286
1287/* Mac mini hack -- use the same DDC as the analog connector */
1288static struct edid *
1289psb_intel_sdvo_get_analog_edid(struct drm_connector *connector)
1290{
1291	struct drm_psb_private *dev_priv = connector->dev->dev_private;
1292
1293	return drm_get_edid(connector,
1294			    &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1295	return NULL;
1296}
1297
1298static enum drm_connector_status
1299psb_intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1300{
1301	struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1302	enum drm_connector_status status;
1303	struct edid *edid;
1304
1305	edid = psb_intel_sdvo_get_edid(connector);
1306
1307	if (edid == NULL && psb_intel_sdvo_multifunc_encoder(psb_intel_sdvo)) {
1308		u8 ddc, saved_ddc = psb_intel_sdvo->ddc_bus;
1309
1310		/*
1311		 * Don't use the 1 as the argument of DDC bus switch to get
1312		 * the EDID. It is used for SDVO SPD ROM.
1313		 */
1314		for (ddc = psb_intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1315			psb_intel_sdvo->ddc_bus = ddc;
1316			edid = psb_intel_sdvo_get_edid(connector);
1317			if (edid)
1318				break;
1319		}
1320		/*
1321		 * If we found the EDID on the other bus,
1322		 * assume that is the correct DDC bus.
1323		 */
1324		if (edid == NULL)
1325			psb_intel_sdvo->ddc_bus = saved_ddc;
1326	}
1327
1328	/*
1329	 * When there is no edid and no monitor is connected with VGA
1330	 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1331	 */
1332	if (edid == NULL)
1333		edid = psb_intel_sdvo_get_analog_edid(connector);
1334
1335	status = connector_status_unknown;
1336	if (edid != NULL) {
1337		/* DDC bus is shared, match EDID to connector type */
1338		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1339			status = connector_status_connected;
1340			if (psb_intel_sdvo->is_hdmi) {
1341				psb_intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1342				psb_intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1343			}
1344		} else
1345			status = connector_status_disconnected;
1346		connector->display_info.raw_edid = NULL;
1347		kfree(edid);
1348	}
1349
1350	if (status == connector_status_connected) {
1351		struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1352		if (psb_intel_sdvo_connector->force_audio)
1353			psb_intel_sdvo->has_hdmi_audio = psb_intel_sdvo_connector->force_audio > 0;
1354	}
1355
1356	return status;
1357}
1358
1359static enum drm_connector_status
1360psb_intel_sdvo_detect(struct drm_connector *connector, bool force)
1361{
1362	uint16_t response;
1363	struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1364	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1365	enum drm_connector_status ret;
1366
1367	if (!psb_intel_sdvo_write_cmd(psb_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 (psb_intel_sdvo->caps.output_flags &
1373	    (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1374		mdelay(30);
1375
1376	if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2))
1377		return connector_status_unknown;
1378
1379	DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1380		      response & 0xff, response >> 8,
1381		      psb_intel_sdvo_connector->output_flag);
1382
1383	if (response == 0)
1384		return connector_status_disconnected;
1385
1386	psb_intel_sdvo->attached_output = response;
1387
1388	psb_intel_sdvo->has_hdmi_monitor = false;
1389	psb_intel_sdvo->has_hdmi_audio = false;
1390
1391	if ((psb_intel_sdvo_connector->output_flag & response) == 0)
1392		ret = connector_status_disconnected;
1393	else if (IS_TMDS(psb_intel_sdvo_connector))
1394		ret = psb_intel_sdvo_hdmi_sink_detect(connector);
1395	else {
1396		struct edid *edid;
1397
1398		/* if we have an edid check it matches the connection */
1399		edid = psb_intel_sdvo_get_edid(connector);
1400		if (edid == NULL)
1401			edid = psb_intel_sdvo_get_analog_edid(connector);
1402		if (edid != NULL) {
1403			if (edid->input & DRM_EDID_INPUT_DIGITAL)
1404				ret = connector_status_disconnected;
1405			else
1406				ret = connector_status_connected;
1407			connector->display_info.raw_edid = NULL;
1408			kfree(edid);
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		psb_intel_sdvo->is_tv = false;
1416		psb_intel_sdvo->is_lvds = false;
1417		psb_intel_sdvo->base.needs_tv_clock = false;
1418
1419		if (response & SDVO_TV_MASK) {
1420			psb_intel_sdvo->is_tv = true;
1421			psb_intel_sdvo->base.needs_tv_clock = true;
1422		}
1423		if (response & SDVO_LVDS_MASK)
1424			psb_intel_sdvo->is_lvds = psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1425	}
1426
1427	return ret;
1428}
1429
1430static void psb_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 = psb_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 = psb_intel_sdvo_get_analog_edid(connector);
1445
1446	if (edid != NULL) {
1447		struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1448		bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1449		bool connector_is_digital = !!IS_TMDS(psb_intel_sdvo_connector);
1450
1451		if (connector_is_digital == monitor_is_digital) {
1452			drm_mode_connector_update_edid_property(connector, edid);
1453			drm_add_edid_modes(connector, edid);
1454		}
1455
1456		connector->display_info.raw_edid = NULL;
1457		kfree(edid);
1458	}
1459}
1460
1461/*
1462 * Set of SDVO TV modes.
1463 * Note!  This is in reply order (see loop in get_tv_modes).
1464 * XXX: all 60Hz refresh?
1465 */
1466static const struct drm_display_mode sdvo_tv_modes[] = {
1467	{ DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1468		   416, 0, 200, 201, 232, 233, 0,
1469		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1470	{ DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1471		   416, 0, 240, 241, 272, 273, 0,
1472		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1473	{ DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1474		   496, 0, 300, 301, 332, 333, 0,
1475		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1476	{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1477		   736, 0, 350, 351, 382, 383, 0,
1478		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1479	{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1480		   736, 0, 400, 401, 432, 433, 0,
1481		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1483		   736, 0, 480, 481, 512, 513, 0,
1484		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1485	{ DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1486		   800, 0, 480, 481, 512, 513, 0,
1487		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488	{ DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1489		   800, 0, 576, 577, 608, 609, 0,
1490		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491	{ DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1492		   816, 0, 350, 351, 382, 383, 0,
1493		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1495		   816, 0, 400, 401, 432, 433, 0,
1496		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1498		   816, 0, 480, 481, 512, 513, 0,
1499		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500	{ DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1501		   816, 0, 540, 541, 572, 573, 0,
1502		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1504		   816, 0, 576, 577, 608, 609, 0,
1505		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506	{ DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1507		   864, 0, 576, 577, 608, 609, 0,
1508		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1510		   896, 0, 600, 601, 632, 633, 0,
1511		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1513		   928, 0, 624, 625, 656, 657, 0,
1514		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515	{ DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1516		   1016, 0, 766, 767, 798, 799, 0,
1517		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1519		   1120, 0, 768, 769, 800, 801, 0,
1520		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1522		   1376, 0, 1024, 1025, 1056, 1057, 0,
1523		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524};
1525
1526static void psb_intel_sdvo_get_tv_modes(struct drm_connector *connector)
1527{
1528	struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1529	struct psb_intel_sdvo_sdtv_resolution_request tv_res;
1530	uint32_t reply = 0, format_map = 0;
1531	int i;
1532
1533	/* Read the list of supported input resolutions for the selected TV
1534	 * format.
1535	 */
1536	format_map = 1 << psb_intel_sdvo->tv_format_index;
1537	memcpy(&tv_res, &format_map,
1538	       min(sizeof(format_map), sizeof(struct psb_intel_sdvo_sdtv_resolution_request)));
1539
1540	if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, psb_intel_sdvo->attached_output))
1541		return;
1542
1543	BUILD_BUG_ON(sizeof(tv_res) != 3);
1544	if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
1545				  SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1546				  &tv_res, sizeof(tv_res)))
1547		return;
1548	if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &reply, 3))
1549		return;
1550
1551	for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1552		if (reply & (1 << i)) {
1553			struct drm_display_mode *nmode;
1554			nmode = drm_mode_duplicate(connector->dev,
1555						   &sdvo_tv_modes[i]);
1556			if (nmode)
1557				drm_mode_probed_add(connector, nmode);
1558		}
1559}
1560
1561static void psb_intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1562{
1563	struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1564	struct drm_psb_private *dev_priv = connector->dev->dev_private;
1565	struct drm_display_mode *newmode;
1566
1567	/*
1568	 * Attempt to get the mode list from DDC.
1569	 * Assume that the preferred modes are
1570	 * arranged in priority order.
1571	 */
1572	psb_intel_ddc_get_modes(connector, psb_intel_sdvo->i2c);
1573	if (list_empty(&connector->probed_modes) == false)
1574		goto end;
1575
1576	/* Fetch modes from VBT */
1577	if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1578		newmode = drm_mode_duplicate(connector->dev,
1579					     dev_priv->sdvo_lvds_vbt_mode);
1580		if (newmode != NULL) {
1581			/* Guarantee the mode is preferred */
1582			newmode->type = (DRM_MODE_TYPE_PREFERRED |
1583					 DRM_MODE_TYPE_DRIVER);
1584			drm_mode_probed_add(connector, newmode);
1585		}
1586	}
1587
1588end:
1589	list_for_each_entry(newmode, &connector->probed_modes, head) {
1590		if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1591			psb_intel_sdvo->sdvo_lvds_fixed_mode =
1592				drm_mode_duplicate(connector->dev, newmode);
1593
1594			drm_mode_set_crtcinfo(psb_intel_sdvo->sdvo_lvds_fixed_mode,
1595					      0);
1596
1597			psb_intel_sdvo->is_lvds = true;
1598			break;
1599		}
1600	}
1601
1602}
1603
1604static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
1605{
1606	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1607
1608	if (IS_TV(psb_intel_sdvo_connector))
1609		psb_intel_sdvo_get_tv_modes(connector);
1610	else if (IS_LVDS(psb_intel_sdvo_connector))
1611		psb_intel_sdvo_get_lvds_modes(connector);
1612	else
1613		psb_intel_sdvo_get_ddc_modes(connector);
1614
1615	return !list_empty(&connector->probed_modes);
1616}
1617
1618static void
1619psb_intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1620{
1621	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1622	struct drm_device *dev = connector->dev;
1623
1624	if (psb_intel_sdvo_connector->left)
1625		drm_property_destroy(dev, psb_intel_sdvo_connector->left);
1626	if (psb_intel_sdvo_connector->right)
1627		drm_property_destroy(dev, psb_intel_sdvo_connector->right);
1628	if (psb_intel_sdvo_connector->top)
1629		drm_property_destroy(dev, psb_intel_sdvo_connector->top);
1630	if (psb_intel_sdvo_connector->bottom)
1631		drm_property_destroy(dev, psb_intel_sdvo_connector->bottom);
1632	if (psb_intel_sdvo_connector->hpos)
1633		drm_property_destroy(dev, psb_intel_sdvo_connector->hpos);
1634	if (psb_intel_sdvo_connector->vpos)
1635		drm_property_destroy(dev, psb_intel_sdvo_connector->vpos);
1636	if (psb_intel_sdvo_connector->saturation)
1637		drm_property_destroy(dev, psb_intel_sdvo_connector->saturation);
1638	if (psb_intel_sdvo_connector->contrast)
1639		drm_property_destroy(dev, psb_intel_sdvo_connector->contrast);
1640	if (psb_intel_sdvo_connector->hue)
1641		drm_property_destroy(dev, psb_intel_sdvo_connector->hue);
1642	if (psb_intel_sdvo_connector->sharpness)
1643		drm_property_destroy(dev, psb_intel_sdvo_connector->sharpness);
1644	if (psb_intel_sdvo_connector->flicker_filter)
1645		drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter);
1646	if (psb_intel_sdvo_connector->flicker_filter_2d)
1647		drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_2d);
1648	if (psb_intel_sdvo_connector->flicker_filter_adaptive)
1649		drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_adaptive);
1650	if (psb_intel_sdvo_connector->tv_luma_filter)
1651		drm_property_destroy(dev, psb_intel_sdvo_connector->tv_luma_filter);
1652	if (psb_intel_sdvo_connector->tv_chroma_filter)
1653		drm_property_destroy(dev, psb_intel_sdvo_connector->tv_chroma_filter);
1654	if (psb_intel_sdvo_connector->dot_crawl)
1655		drm_property_destroy(dev, psb_intel_sdvo_connector->dot_crawl);
1656	if (psb_intel_sdvo_connector->brightness)
1657		drm_property_destroy(dev, psb_intel_sdvo_connector->brightness);
1658}
1659
1660static void psb_intel_sdvo_destroy(struct drm_connector *connector)
1661{
1662	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1663
1664	if (psb_intel_sdvo_connector->tv_format)
1665		drm_property_destroy(connector->dev,
1666				     psb_intel_sdvo_connector->tv_format);
1667
1668	psb_intel_sdvo_destroy_enhance_property(connector);
1669	drm_sysfs_connector_remove(connector);
1670	drm_connector_cleanup(connector);
1671	kfree(connector);
1672}
1673
1674static bool psb_intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1675{
1676	struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1677	struct edid *edid;
1678	bool has_audio = false;
1679
1680	if (!psb_intel_sdvo->is_hdmi)
1681		return false;
1682
1683	edid = psb_intel_sdvo_get_edid(connector);
1684	if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1685		has_audio = drm_detect_monitor_audio(edid);
1686
1687	return has_audio;
1688}
1689
1690static int
1691psb_intel_sdvo_set_property(struct drm_connector *connector,
1692			struct drm_property *property,
1693			uint64_t val)
1694{
1695	struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1696	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1697	struct drm_psb_private *dev_priv = connector->dev->dev_private;
1698	uint16_t temp_value;
1699	uint8_t cmd;
1700	int ret;
1701
1702	ret = drm_connector_property_set_value(connector, property, val);
1703	if (ret)
1704		return ret;
1705
1706	if (property == dev_priv->force_audio_property) {
1707		int i = val;
1708		bool has_audio;
1709
1710		if (i == psb_intel_sdvo_connector->force_audio)
1711			return 0;
1712
1713		psb_intel_sdvo_connector->force_audio = i;
1714
1715		if (i == 0)
1716			has_audio = psb_intel_sdvo_detect_hdmi_audio(connector);
1717		else
1718			has_audio = i > 0;
1719
1720		if (has_audio == psb_intel_sdvo->has_hdmi_audio)
1721			return 0;
1722
1723		psb_intel_sdvo->has_hdmi_audio = has_audio;
1724		goto done;
1725	}
1726
1727	if (property == dev_priv->broadcast_rgb_property) {
1728		if (val == !!psb_intel_sdvo->color_range)
1729			return 0;
1730
1731		psb_intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1732		goto done;
1733	}
1734
1735#define CHECK_PROPERTY(name, NAME) \
1736	if (psb_intel_sdvo_connector->name == property) { \
1737		if (psb_intel_sdvo_connector->cur_##name == temp_value) return 0; \
1738		if (psb_intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1739		cmd = SDVO_CMD_SET_##NAME; \
1740		psb_intel_sdvo_connector->cur_##name = temp_value; \
1741		goto set_value; \
1742	}
1743
1744	if (property == psb_intel_sdvo_connector->tv_format) {
1745		if (val >= TV_FORMAT_NUM)
1746			return -EINVAL;
1747
1748		if (psb_intel_sdvo->tv_format_index ==
1749		    psb_intel_sdvo_connector->tv_format_supported[val])
1750			return 0;
1751
1752		psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[val];
1753		goto done;
1754	} else if (IS_TV_OR_LVDS(psb_intel_sdvo_connector)) {
1755		temp_value = val;
1756		if (psb_intel_sdvo_connector->left == property) {
1757			drm_connector_property_set_value(connector,
1758							 psb_intel_sdvo_connector->right, val);
1759			if (psb_intel_sdvo_connector->left_margin == temp_value)
1760				return 0;
1761
1762			psb_intel_sdvo_connector->left_margin = temp_value;
1763			psb_intel_sdvo_connector->right_margin = temp_value;
1764			temp_value = psb_intel_sdvo_connector->max_hscan -
1765				psb_intel_sdvo_connector->left_margin;
1766			cmd = SDVO_CMD_SET_OVERSCAN_H;
1767			goto set_value;
1768		} else if (psb_intel_sdvo_connector->right == property) {
1769			drm_connector_property_set_value(connector,
1770							 psb_intel_sdvo_connector->left, val);
1771			if (psb_intel_sdvo_connector->right_margin == temp_value)
1772				return 0;
1773
1774			psb_intel_sdvo_connector->left_margin = temp_value;
1775			psb_intel_sdvo_connector->right_margin = temp_value;
1776			temp_value = psb_intel_sdvo_connector->max_hscan -
1777				psb_intel_sdvo_connector->left_margin;
1778			cmd = SDVO_CMD_SET_OVERSCAN_H;
1779			goto set_value;
1780		} else if (psb_intel_sdvo_connector->top == property) {
1781			drm_connector_property_set_value(connector,
1782							 psb_intel_sdvo_connector->bottom, val);
1783			if (psb_intel_sdvo_connector->top_margin == temp_value)
1784				return 0;
1785
1786			psb_intel_sdvo_connector->top_margin = temp_value;
1787			psb_intel_sdvo_connector->bottom_margin = temp_value;
1788			temp_value = psb_intel_sdvo_connector->max_vscan -
1789				psb_intel_sdvo_connector->top_margin;
1790			cmd = SDVO_CMD_SET_OVERSCAN_V;
1791			goto set_value;
1792		} else if (psb_intel_sdvo_connector->bottom == property) {
1793			drm_connector_property_set_value(connector,
1794							 psb_intel_sdvo_connector->top, val);
1795			if (psb_intel_sdvo_connector->bottom_margin == temp_value)
1796				return 0;
1797
1798			psb_intel_sdvo_connector->top_margin = temp_value;
1799			psb_intel_sdvo_connector->bottom_margin = temp_value;
1800			temp_value = psb_intel_sdvo_connector->max_vscan -
1801				psb_intel_sdvo_connector->top_margin;
1802			cmd = SDVO_CMD_SET_OVERSCAN_V;
1803			goto set_value;
1804		}
1805		CHECK_PROPERTY(hpos, HPOS)
1806		CHECK_PROPERTY(vpos, VPOS)
1807		CHECK_PROPERTY(saturation, SATURATION)
1808		CHECK_PROPERTY(contrast, CONTRAST)
1809		CHECK_PROPERTY(hue, HUE)
1810		CHECK_PROPERTY(brightness, BRIGHTNESS)
1811		CHECK_PROPERTY(sharpness, SHARPNESS)
1812		CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1813		CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1814		CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1815		CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1816		CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1817		CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1818	}
1819
1820	return -EINVAL; /* unknown property */
1821
1822set_value:
1823	if (!psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &temp_value, 2))
1824		return -EIO;
1825
1826
1827done:
1828	if (psb_intel_sdvo->base.base.crtc) {
1829		struct drm_crtc *crtc = psb_intel_sdvo->base.base.crtc;
1830		drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1831					 crtc->y, crtc->fb);
1832	}
1833
1834	return 0;
1835#undef CHECK_PROPERTY
1836}
1837
1838static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
1839	.dpms = psb_intel_sdvo_dpms,
1840	.mode_fixup = psb_intel_sdvo_mode_fixup,
1841	.prepare = psb_intel_encoder_prepare,
1842	.mode_set = psb_intel_sdvo_mode_set,
1843	.commit = psb_intel_encoder_commit,
1844};
1845
1846static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
1847	.dpms = drm_helper_connector_dpms,
1848	.detect = psb_intel_sdvo_detect,
1849	.fill_modes = drm_helper_probe_single_connector_modes,
1850	.set_property = psb_intel_sdvo_set_property,
1851	.destroy = psb_intel_sdvo_destroy,
1852};
1853
1854static const struct drm_connector_helper_funcs psb_intel_sdvo_connector_helper_funcs = {
1855	.get_modes = psb_intel_sdvo_get_modes,
1856	.mode_valid = psb_intel_sdvo_mode_valid,
1857	.best_encoder = psb_intel_best_encoder,
1858};
1859
1860static void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1861{
1862	struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1863
1864	if (psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1865		drm_mode_destroy(encoder->dev,
1866				 psb_intel_sdvo->sdvo_lvds_fixed_mode);
1867
1868	i2c_del_adapter(&psb_intel_sdvo->ddc);
1869	psb_intel_encoder_destroy(encoder);
1870}
1871
1872static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
1873	.destroy = psb_intel_sdvo_enc_destroy,
1874};
1875
1876static void
1877psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo)
1878{
1879	/* FIXME: At the moment, ddc_bus = 2 is the only thing that works.
1880	 * We need to figure out if this is true for all available poulsbo
1881	 * hardware, or if we need to fiddle with the guessing code above.
1882	 * The problem might go away if we can parse sdvo mappings from bios */
1883	sdvo->ddc_bus = 2;
1884
1885#if 0
1886	uint16_t mask = 0;
1887	unsigned int num_bits;
1888
1889	/* Make a mask of outputs less than or equal to our own priority in the
1890	 * list.
1891	 */
1892	switch (sdvo->controlled_output) {
1893	case SDVO_OUTPUT_LVDS1:
1894		mask |= SDVO_OUTPUT_LVDS1;
1895	case SDVO_OUTPUT_LVDS0:
1896		mask |= SDVO_OUTPUT_LVDS0;
1897	case SDVO_OUTPUT_TMDS1:
1898		mask |= SDVO_OUTPUT_TMDS1;
1899	case SDVO_OUTPUT_TMDS0:
1900		mask |= SDVO_OUTPUT_TMDS0;
1901	case SDVO_OUTPUT_RGB1:
1902		mask |= SDVO_OUTPUT_RGB1;
1903	case SDVO_OUTPUT_RGB0:
1904		mask |= SDVO_OUTPUT_RGB0;
1905		break;
1906	}
1907
1908	/* Count bits to find what number we are in the priority list. */
1909	mask &= sdvo->caps.output_flags;
1910	num_bits = hweight16(mask);
1911	/* If more than 3 outputs, default to DDC bus 3 for now. */
1912	if (num_bits > 3)
1913		num_bits = 3;
1914
1915	/* Corresponds to SDVO_CONTROL_BUS_DDCx */
1916	sdvo->ddc_bus = 1 << num_bits;
1917#endif
1918}
1919
1920/**
1921 * Choose the appropriate DDC bus for control bus switch command for this
1922 * SDVO output based on the controlled output.
1923 *
1924 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1925 * outputs, then LVDS outputs.
1926 */
1927static void
1928psb_intel_sdvo_select_ddc_bus(struct drm_psb_private *dev_priv,
1929			  struct psb_intel_sdvo *sdvo, u32 reg)
1930{
1931	struct sdvo_device_mapping *mapping;
1932
1933	if (IS_SDVOB(reg))
1934		mapping = &(dev_priv->sdvo_mappings[0]);
1935	else
1936		mapping = &(dev_priv->sdvo_mappings[1]);
1937
1938	if (mapping->initialized)
1939		sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1940	else
1941		psb_intel_sdvo_guess_ddc_bus(sdvo);
1942}
1943
1944static void
1945psb_intel_sdvo_select_i2c_bus(struct drm_psb_private *dev_priv,
1946			  struct psb_intel_sdvo *sdvo, u32 reg)
1947{
1948	struct sdvo_device_mapping *mapping;
1949	u8 pin, speed;
1950
1951	if (IS_SDVOB(reg))
1952		mapping = &dev_priv->sdvo_mappings[0];
1953	else
1954		mapping = &dev_priv->sdvo_mappings[1];
1955
1956	pin = GMBUS_PORT_DPB;
1957	speed = GMBUS_RATE_1MHZ >> 8;
1958	if (mapping->initialized) {
1959		pin = mapping->i2c_pin;
1960		speed = mapping->i2c_speed;
1961	}
1962
1963	if (pin < GMBUS_NUM_PORTS) {
1964		sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1965		gma_intel_gmbus_set_speed(sdvo->i2c, speed);
1966		gma_intel_gmbus_force_bit(sdvo->i2c, true);
1967	} else
1968		sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1969}
1970
1971static bool
1972psb_intel_sdvo_is_hdmi_connector(struct psb_intel_sdvo *psb_intel_sdvo, int device)
1973{
1974	return psb_intel_sdvo_check_supp_encode(psb_intel_sdvo);
1975}
1976
1977static u8
1978psb_intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1979{
1980	struct drm_psb_private *dev_priv = dev->dev_private;
1981	struct sdvo_device_mapping *my_mapping, *other_mapping;
1982
1983	if (IS_SDVOB(sdvo_reg)) {
1984		my_mapping = &dev_priv->sdvo_mappings[0];
1985		other_mapping = &dev_priv->sdvo_mappings[1];
1986	} else {
1987		my_mapping = &dev_priv->sdvo_mappings[1];
1988		other_mapping = &dev_priv->sdvo_mappings[0];
1989	}
1990
1991	/* If the BIOS described our SDVO device, take advantage of it. */
1992	if (my_mapping->slave_addr)
1993		return my_mapping->slave_addr;
1994
1995	/* If the BIOS only described a different SDVO device, use the
1996	 * address that it isn't using.
1997	 */
1998	if (other_mapping->slave_addr) {
1999		if (other_mapping->slave_addr == 0x70)
2000			return 0x72;
2001		else
2002			return 0x70;
2003	}
2004
2005	/* No SDVO device info is found for another DVO port,
2006	 * so use mapping assumption we had before BIOS parsing.
2007	 */
2008	if (IS_SDVOB(sdvo_reg))
2009		return 0x70;
2010	else
2011		return 0x72;
2012}
2013
2014static void
2015psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector,
2016			  struct psb_intel_sdvo *encoder)
2017{
2018	drm_connector_init(encoder->base.base.dev,
2019			   &connector->base.base,
2020			   &psb_intel_sdvo_connector_funcs,
2021			   connector->base.base.connector_type);
2022
2023	drm_connector_helper_add(&connector->base.base,
2024				 &psb_intel_sdvo_connector_helper_funcs);
2025
2026	connector->base.base.interlace_allowed = 0;
2027	connector->base.base.doublescan_allowed = 0;
2028	connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2029
2030	psb_intel_connector_attach_encoder(&connector->base, &encoder->base);
2031	drm_sysfs_connector_add(&connector->base.base);
2032}
2033
2034static void
2035psb_intel_sdvo_add_hdmi_properties(struct psb_intel_sdvo_connector *connector)
2036{
2037	/* FIXME: We don't support HDMI at the moment
2038	struct drm_device *dev = connector->base.base.dev;
2039
2040	intel_attach_force_audio_property(&connector->base.base);
2041	intel_attach_broadcast_rgb_property(&connector->base.base);
2042	*/
2043}
2044
2045static bool
2046psb_intel_sdvo_dvi_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2047{
2048	struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2049	struct drm_connector *connector;
2050	struct psb_intel_connector *intel_connector;
2051	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2052
2053	psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2054	if (!psb_intel_sdvo_connector)
2055		return false;
2056
2057	if (device == 0) {
2058		psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2059		psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2060	} else if (device == 1) {
2061		psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2062		psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2063	}
2064
2065	intel_connector = &psb_intel_sdvo_connector->base;
2066	connector = &intel_connector->base;
2067	// connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2068	encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2069	connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2070
2071	if (psb_intel_sdvo_is_hdmi_connector(psb_intel_sdvo, device)) {
2072		connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2073		psb_intel_sdvo->is_hdmi = true;
2074	}
2075	psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2076				       (1 << INTEL_ANALOG_CLONE_BIT));
2077
2078	psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2079	if (psb_intel_sdvo->is_hdmi)
2080		psb_intel_sdvo_add_hdmi_properties(psb_intel_sdvo_connector);
2081
2082	return true;
2083}
2084
2085static bool
2086psb_intel_sdvo_tv_init(struct psb_intel_sdvo *psb_intel_sdvo, int type)
2087{
2088	struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2089	struct drm_connector *connector;
2090	struct psb_intel_connector *intel_connector;
2091	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2092
2093	psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2094	if (!psb_intel_sdvo_connector)
2095		return false;
2096
2097	intel_connector = &psb_intel_sdvo_connector->base;
2098	connector = &intel_connector->base;
2099	encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2100	connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2101
2102	psb_intel_sdvo->controlled_output |= type;
2103	psb_intel_sdvo_connector->output_flag = type;
2104
2105	psb_intel_sdvo->is_tv = true;
2106	psb_intel_sdvo->base.needs_tv_clock = true;
2107	psb_intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2108
2109	psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2110
2111	if (!psb_intel_sdvo_tv_create_property(psb_intel_sdvo, psb_intel_sdvo_connector, type))
2112		goto err;
2113
2114	if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2115		goto err;
2116
2117	return true;
2118
2119err:
2120	psb_intel_sdvo_destroy(connector);
2121	return false;
2122}
2123
2124static bool
2125psb_intel_sdvo_analog_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2126{
2127	struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2128	struct drm_connector *connector;
2129	struct psb_intel_connector *intel_connector;
2130	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2131
2132	psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2133	if (!psb_intel_sdvo_connector)
2134		return false;
2135
2136	intel_connector = &psb_intel_sdvo_connector->base;
2137	connector = &intel_connector->base;
2138	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2139	encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2140	connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2141
2142	if (device == 0) {
2143		psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2144		psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2145	} else if (device == 1) {
2146		psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2147		psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2148	}
2149
2150	psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2151				       (1 << INTEL_ANALOG_CLONE_BIT));
2152
2153	psb_intel_sdvo_connector_init(psb_intel_sdvo_connector,
2154				  psb_intel_sdvo);
2155	return true;
2156}
2157
2158static bool
2159psb_intel_sdvo_lvds_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2160{
2161	struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2162	struct drm_connector *connector;
2163	struct psb_intel_connector *intel_connector;
2164	struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2165
2166	psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2167	if (!psb_intel_sdvo_connector)
2168		return false;
2169
2170	intel_connector = &psb_intel_sdvo_connector->base;
2171	connector = &intel_connector->base;
2172	encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2173	connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2174
2175	if (device == 0) {
2176		psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2177		psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2178	} else if (device == 1) {
2179		psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2180		psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2181	}
2182
2183	psb_intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2184				       (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2185
2186	psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2187	if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2188		goto err;
2189
2190	return true;
2191
2192err:
2193	psb_intel_sdvo_destroy(connector);
2194	return false;
2195}
2196
2197static bool
2198psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags)
2199{
2200	psb_intel_sdvo->is_tv = false;
2201	psb_intel_sdvo->base.needs_tv_clock = false;
2202	psb_intel_sdvo->is_lvds = false;
2203
2204	/* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2205
2206	if (flags & SDVO_OUTPUT_TMDS0)
2207		if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 0))
2208			return false;
2209
2210	if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2211		if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 1))
2212			return false;
2213
2214	/* TV has no XXX1 function block */
2215	if (flags & SDVO_OUTPUT_SVID0)
2216		if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_SVID0))
2217			return false;
2218
2219	if (flags & SDVO_OUTPUT_CVBS0)
2220		if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_CVBS0))
2221			return false;
2222
2223	if (flags & SDVO_OUTPUT_RGB0)
2224		if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 0))
2225			return false;
2226
2227	if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2228		if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 1))
2229			return false;
2230
2231	if (flags & SDVO_OUTPUT_LVDS0)
2232		if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 0))
2233			return false;
2234
2235	if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2236		if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 1))
2237			return false;
2238
2239	if ((flags & SDVO_OUTPUT_MASK) == 0) {
2240		unsigned char bytes[2];
2241
2242		psb_intel_sdvo->controlled_output = 0;
2243		memcpy(bytes, &psb_intel_sdvo->caps.output_flags, 2);
2244		DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2245			      SDVO_NAME(psb_intel_sdvo),
2246			      bytes[0], bytes[1]);
2247		return false;
2248	}
2249	psb_intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2250
2251	return true;
2252}
2253
2254static bool psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
2255					  struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2256					  int type)
2257{
2258	struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2259	struct psb_intel_sdvo_tv_format format;
2260	uint32_t format_map, i;
2261
2262	if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, type))
2263		return false;
2264
2265	BUILD_BUG_ON(sizeof(format) != 6);
2266	if (!psb_intel_sdvo_get_value(psb_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	psb_intel_sdvo_connector->format_supported_num = 0;
2277	for (i = 0 ; i < TV_FORMAT_NUM; i++)
2278		if (format_map & (1 << i))
2279			psb_intel_sdvo_connector->tv_format_supported[psb_intel_sdvo_connector->format_supported_num++] = i;
2280
2281
2282	psb_intel_sdvo_connector->tv_format =
2283			drm_property_create(dev, DRM_MODE_PROP_ENUM,
2284					    "mode", psb_intel_sdvo_connector->format_supported_num);
2285	if (!psb_intel_sdvo_connector->tv_format)
2286		return false;
2287
2288	for (i = 0; i < psb_intel_sdvo_connector->format_supported_num; i++)
2289		drm_property_add_enum(
2290				psb_intel_sdvo_connector->tv_format, i,
2291				i, tv_format_names[psb_intel_sdvo_connector->tv_format_supported[i]]);
2292
2293	psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[0];
2294	drm_connector_attach_property(&psb_intel_sdvo_connector->base.base,
2295				      psb_intel_sdvo_connector->tv_format, 0);
2296	return true;
2297
2298}
2299
2300#define ENHANCEMENT(name, NAME) do { \
2301	if (enhancements.name) { \
2302		if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2303		    !psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2304			return false; \
2305		psb_intel_sdvo_connector->max_##name = data_value[0]; \
2306		psb_intel_sdvo_connector->cur_##name = response; \
2307		psb_intel_sdvo_connector->name = \
2308			drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2309		if (!psb_intel_sdvo_connector->name) return false; \
2310		drm_connector_attach_property(connector, \
2311					      psb_intel_sdvo_connector->name, \
2312					      psb_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
2319psb_intel_sdvo_create_enhance_property_tv(struct psb_intel_sdvo *psb_intel_sdvo,
2320				      struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2321				      struct psb_intel_sdvo_enhancements_reply enhancements)
2322{
2323	struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2324	struct drm_connector *connector = &psb_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 (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2330					  SDVO_CMD_GET_MAX_OVERSCAN_H,
2331					  &data_value, 4))
2332			return false;
2333
2334		if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2335					  SDVO_CMD_GET_OVERSCAN_H,
2336					  &response, 2))
2337			return false;
2338
2339		psb_intel_sdvo_connector->max_hscan = data_value[0];
2340		psb_intel_sdvo_connector->left_margin = data_value[0] - response;
2341		psb_intel_sdvo_connector->right_margin = psb_intel_sdvo_connector->left_margin;
2342		psb_intel_sdvo_connector->left =
2343			drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2344		if (!psb_intel_sdvo_connector->left)
2345			return false;
2346
2347		drm_connector_attach_property(connector,
2348					      psb_intel_sdvo_connector->left,
2349					      psb_intel_sdvo_connector->left_margin);
2350
2351		psb_intel_sdvo_connector->right =
2352			drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2353		if (!psb_intel_sdvo_connector->right)
2354			return false;
2355
2356		drm_connector_attach_property(connector,
2357					      psb_intel_sdvo_connector->right,
2358					      psb_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 (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2366					  SDVO_CMD_GET_MAX_OVERSCAN_V,
2367					  &data_value, 4))
2368			return false;
2369
2370		if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2371					  SDVO_CMD_GET_OVERSCAN_V,
2372					  &response, 2))
2373			return false;
2374
2375		psb_intel_sdvo_connector->max_vscan = data_value[0];
2376		psb_intel_sdvo_connector->top_margin = data_value[0] - response;
2377		psb_intel_sdvo_connector->bottom_margin = psb_intel_sdvo_connector->top_margin;
2378		psb_intel_sdvo_connector->top =
2379			drm_property_create_range(dev, 0, "top_margin", 0, data_value[0]);
2380		if (!psb_intel_sdvo_connector->top)
2381			return false;
2382
2383		drm_connector_attach_property(connector,
2384					      psb_intel_sdvo_connector->top,
2385					      psb_intel_sdvo_connector->top_margin);
2386
2387		psb_intel_sdvo_connector->bottom =
2388			drm_property_create_range(dev, 0, "bottom_margin", 0, data_value[0]);
2389		if (!psb_intel_sdvo_connector->bottom)
2390			return false;
2391
2392		drm_connector_attach_property(connector,
2393					      psb_intel_sdvo_connector->bottom,
2394					      psb_intel_sdvo_connector->bottom_margin);
2395		DRM_DEBUG_KMS("v_overscan: max %d, "
2396			      "default %d, current %d\n",
2397			      data_value[0], data_value[1], response);
2398	}
2399
2400	ENHANCEMENT(hpos, HPOS);
2401	ENHANCEMENT(vpos, VPOS);
2402	ENHANCEMENT(saturation, SATURATION);
2403	ENHANCEMENT(contrast, CONTRAST);
2404	ENHANCEMENT(hue, HUE);
2405	ENHANCEMENT(sharpness, SHARPNESS);
2406	ENHANCEMENT(brightness, BRIGHTNESS);
2407	ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2408	ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2409	ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2410	ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2411	ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2412
2413	if (enhancements.dot_crawl) {
2414		if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2415			return false;
2416
2417		psb_intel_sdvo_connector->max_dot_crawl = 1;
2418		psb_intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2419		psb_intel_sdvo_connector->dot_crawl =
2420			drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2421		if (!psb_intel_sdvo_connector->dot_crawl)
2422			return false;
2423
2424		drm_connector_attach_property(connector,
2425					      psb_intel_sdvo_connector->dot_crawl,
2426					      psb_intel_sdvo_connector->cur_dot_crawl);
2427		DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2428	}
2429
2430	return true;
2431}
2432
2433static bool
2434psb_intel_sdvo_create_enhance_property_lvds(struct psb_intel_sdvo *psb_intel_sdvo,
2435					struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2436					struct psb_intel_sdvo_enhancements_reply enhancements)
2437{
2438	struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2439	struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
2440	uint16_t response, data_value[2];
2441
2442	ENHANCEMENT(brightness, BRIGHTNESS);
2443
2444	return true;
2445}
2446#undef ENHANCEMENT
2447
2448static bool psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
2449					       struct psb_intel_sdvo_connector *psb_intel_sdvo_connector)
2450{
2451	union {
2452		struct psb_intel_sdvo_enhancements_reply reply;
2453		uint16_t response;
2454	} enhancements;
2455
2456	BUILD_BUG_ON(sizeof(enhancements) != 2);
2457
2458	enhancements.response = 0;
2459	psb_intel_sdvo_get_value(psb_intel_sdvo,
2460			     SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2461			     &enhancements, sizeof(enhancements));
2462	if (enhancements.response == 0) {
2463		DRM_DEBUG_KMS("No enhancement is supported\n");
2464		return true;
2465	}
2466
2467	if (IS_TV(psb_intel_sdvo_connector))
2468		return psb_intel_sdvo_create_enhance_property_tv(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2469	else if(IS_LVDS(psb_intel_sdvo_connector))
2470		return psb_intel_sdvo_create_enhance_property_lvds(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2471	else
2472		return true;
2473}
2474
2475static int psb_intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2476				     struct i2c_msg *msgs,
2477				     int num)
2478{
2479	struct psb_intel_sdvo *sdvo = adapter->algo_data;
2480
2481	if (!psb_intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2482		return -EIO;
2483
2484	return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2485}
2486
2487static u32 psb_intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2488{
2489	struct psb_intel_sdvo *sdvo = adapter->algo_data;
2490	return sdvo->i2c->algo->functionality(sdvo->i2c);
2491}
2492
2493static const struct i2c_algorithm psb_intel_sdvo_ddc_proxy = {
2494	.master_xfer	= psb_intel_sdvo_ddc_proxy_xfer,
2495	.functionality	= psb_intel_sdvo_ddc_proxy_func
2496};
2497
2498static bool
2499psb_intel_sdvo_init_ddc_proxy(struct psb_intel_sdvo *sdvo,
2500			  struct drm_device *dev)
2501{
2502	sdvo->ddc.owner = THIS_MODULE;
2503	sdvo->ddc.class = I2C_CLASS_DDC;
2504	snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2505	sdvo->ddc.dev.parent = &dev->pdev->dev;
2506	sdvo->ddc.algo_data = sdvo;
2507	sdvo->ddc.algo = &psb_intel_sdvo_ddc_proxy;
2508
2509	return i2c_add_adapter(&sdvo->ddc) == 0;
2510}
2511
2512bool psb_intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2513{
2514	struct drm_psb_private *dev_priv = dev->dev_private;
2515	struct psb_intel_encoder *psb_intel_encoder;
2516	struct psb_intel_sdvo *psb_intel_sdvo;
2517	int i;
2518
2519	psb_intel_sdvo = kzalloc(sizeof(struct psb_intel_sdvo), GFP_KERNEL);
2520	if (!psb_intel_sdvo)
2521		return false;
2522
2523	psb_intel_sdvo->sdvo_reg = sdvo_reg;
2524	psb_intel_sdvo->slave_addr = psb_intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2525	psb_intel_sdvo_select_i2c_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2526	if (!psb_intel_sdvo_init_ddc_proxy(psb_intel_sdvo, dev)) {
2527		kfree(psb_intel_sdvo);
2528		return false;
2529	}
2530
2531	/* encoder type will be decided later */
2532	psb_intel_encoder = &psb_intel_sdvo->base;
2533	psb_intel_encoder->type = INTEL_OUTPUT_SDVO;
2534	drm_encoder_init(dev, &psb_intel_encoder->base, &psb_intel_sdvo_enc_funcs, 0);
2535
2536	/* Read the regs to test if we can talk to the device */
2537	for (i = 0; i < 0x40; i++) {
2538		u8 byte;
2539
2540		if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, i, &byte)) {
2541			DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2542				      IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2543			goto err;
2544		}
2545	}
2546
2547	if (IS_SDVOB(sdvo_reg))
2548		dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2549	else
2550		dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2551
2552	drm_encoder_helper_add(&psb_intel_encoder->base, &psb_intel_sdvo_helper_funcs);
2553
2554	/* In default case sdvo lvds is false */
2555	if (!psb_intel_sdvo_get_capabilities(psb_intel_sdvo, &psb_intel_sdvo->caps))
2556		goto err;
2557
2558	if (psb_intel_sdvo_output_setup(psb_intel_sdvo,
2559				    psb_intel_sdvo->caps.output_flags) != true) {
2560		DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2561			      IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2562		goto err;
2563	}
2564
2565	psb_intel_sdvo_select_ddc_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2566
2567	/* Set the input timing to the screen. Assume always input 0. */
2568	if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
2569		goto err;
2570
2571	if (!psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_sdvo,
2572						    &psb_intel_sdvo->pixel_clock_min,
2573						    &psb_intel_sdvo->pixel_clock_max))
2574		goto err;
2575
2576	DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2577			"clock range %dMHz - %dMHz, "
2578			"input 1: %c, input 2: %c, "
2579			"output 1: %c, output 2: %c\n",
2580			SDVO_NAME(psb_intel_sdvo),
2581			psb_intel_sdvo->caps.vendor_id, psb_intel_sdvo->caps.device_id,
2582			psb_intel_sdvo->caps.device_rev_id,
2583			psb_intel_sdvo->pixel_clock_min / 1000,
2584			psb_intel_sdvo->pixel_clock_max / 1000,
2585			(psb_intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2586			(psb_intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2587			/* check currently supported outputs */
2588			psb_intel_sdvo->caps.output_flags &
2589			(SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2590			psb_intel_sdvo->caps.output_flags &
2591			(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2592	return true;
2593
2594err:
2595	drm_encoder_cleanup(&psb_intel_encoder->base);
2596	i2c_del_adapter(&psb_intel_sdvo->ddc);
2597	kfree(psb_intel_sdvo);
2598
2599	return false;
2600}