WebSVN – Kolibri OS – Blame – /drivers/video/drm/i915/intel_sdvo.c

Rev	Author	Line No.	Line
2330	Serge	1	/*
		2	* Copyright 2006 Dave Airlie
		3	* Copyright © 2006-2007 Intel Corporation
		4	* Jesse Barnes
		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
		27	*/
		28	#include
		29	#include
3243	Serge	30	#include
3031	serge	31	#include
		32	#include
		33	#include
		34	#include
2330	Serge	35	#include "intel_drv.h"
3031	serge	36	#include
2330	Serge	37	#include "i915_drv.h"
		38	#include "intel_sdvo_regs.h"
		39
		40	#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 \| SDVO_OUTPUT_TMDS1)
		41	#define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 \| SDVO_OUTPUT_RGB1)
		42	#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 \| SDVO_OUTPUT_LVDS1)
3031	serge	43	#define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 \| SDVO_OUTPUT_SVID0 \| SDVO_OUTPUT_YPRPB0)
2330	Serge	44
		45	#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK \| SDVO_RGB_MASK \| SDVO_LVDS_MASK \|\
		46	SDVO_TV_MASK)
		47
		48	#define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
		49	#define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
		50	#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
		51	#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK \| SDVO_LVDS_MASK))
2342	Serge	52	#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK \| SDVO_LVDS_MASK))
2330	Serge	53
		54
		55	static const char *tv_format_names[] = {
		56	"NTSC_M" , "NTSC_J" , "NTSC_443",
		57	"PAL_B" , "PAL_D" , "PAL_G" ,
		58	"PAL_H" , "PAL_I" , "PAL_M" ,
		59	"PAL_N" , "PAL_NC" , "PAL_60" ,
		60	"SECAM_B" , "SECAM_D" , "SECAM_G" ,
		61	"SECAM_K" , "SECAM_K1", "SECAM_L" ,
		62	"SECAM_60"
		63	};
		64
		65	#define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
		66
		67	struct intel_sdvo {
		68	struct intel_encoder base;
		69
		70	struct i2c_adapter *i2c;
		71	u8 slave_addr;
		72
		73	struct i2c_adapter ddc;
		74
		75	/* Register for the SDVO device: SDVOB or SDVOC */
3031	serge	76	uint32_t sdvo_reg;
2330	Serge	77
		78	/* Active outputs controlled by this SDVO output */
		79	uint16_t controlled_output;
		80
		81	/*
		82	* Capabilities of the SDVO device returned by
4104	Serge	83	* intel_sdvo_get_capabilities()
2330	Serge	84	*/
		85	struct intel_sdvo_caps caps;
		86
		87	/* Pixel clock limitations reported by the SDVO device, in kHz */
		88	int pixel_clock_min, pixel_clock_max;
		89
		90	/*
		91	* For multiple function SDVO device,
		92	* this is for current attached outputs.
		93	*/
		94	uint16_t attached_output;
		95
2342	Serge	96	/*
		97	* Hotplug activation bits for this device
		98	*/
3031	serge	99	uint16_t hotplug_active;
2342	Serge	100
2330	Serge	101	/**
		102	* This is used to select the color range of RBG outputs in HDMI mode.
		103	* It is only valid when using TMDS encoding and 8 bit per color mode.
		104	*/
		105	uint32_t color_range;
3480	Serge	106	bool color_range_auto;
2330	Serge	107
		108	/**
		109	* This is set if we're going to treat the device as TV-out.
		110	*
		111	* While we have these nice friendly flags for output types that ought
		112	* to decide this for us, the S-Video output on our HDMI+S-Video card
		113	* shows up as RGB1 (VGA).
		114	*/
		115	bool is_tv;
		116
3031	serge	117	/* On different gens SDVOB is at different places. */
		118	bool is_sdvob;
		119
2330	Serge	120	/* This is for current tv format name */
		121	int tv_format_index;
		122
		123	/**
		124	* This is set if we treat the device as HDMI, instead of DVI.
		125	*/
		126	bool is_hdmi;
		127	bool has_hdmi_monitor;
		128	bool has_hdmi_audio;
3480	Serge	129	bool rgb_quant_range_selectable;
2330	Serge	130
		131	/**
		132	* This is set if we detect output of sdvo device as LVDS and
		133	* have a valid fixed mode to use with the panel.
		134	*/
		135	bool is_lvds;
		136
		137	/**
		138	* This is sdvo fixed pannel mode pointer
		139	*/
		140	struct drm_display_mode *sdvo_lvds_fixed_mode;
		141
		142	/* DDC bus used by this SDVO encoder */
		143	uint8_t ddc_bus;
		144
3031	serge	145	/*
		146	* the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
		147	*/
		148	uint8_t dtd_sdvo_flags;
2330	Serge	149	};
		150
		151	struct intel_sdvo_connector {
		152	struct intel_connector base;
		153
		154	/* Mark the type of connector */
		155	uint16_t output_flag;
		156
3031	serge	157	enum hdmi_force_audio force_audio;
2330	Serge	158
		159	/* This contains all current supported TV format */
		160	u8 tv_format_supported[TV_FORMAT_NUM];
		161	int format_supported_num;
		162	struct drm_property *tv_format;
		163
		164	/* add the property for the SDVO-TV */
		165	struct drm_property *left;
		166	struct drm_property *right;
		167	struct drm_property *top;
		168	struct drm_property *bottom;
		169	struct drm_property *hpos;
		170	struct drm_property *vpos;
		171	struct drm_property *contrast;
		172	struct drm_property *saturation;
		173	struct drm_property *hue;
		174	struct drm_property *sharpness;
		175	struct drm_property *flicker_filter;
		176	struct drm_property *flicker_filter_adaptive;
		177	struct drm_property *flicker_filter_2d;
		178	struct drm_property *tv_chroma_filter;
		179	struct drm_property *tv_luma_filter;
		180	struct drm_property *dot_crawl;
		181
		182	/* add the property for the SDVO-TV/LVDS */
		183	struct drm_property *brightness;
		184
		185	/* Add variable to record current setting for the above property */
		186	u32 left_margin, right_margin, top_margin, bottom_margin;
		187
		188	/* this is to get the range of margin.*/
		189	u32 max_hscan, max_vscan;
		190	u32 max_hpos, cur_hpos;
		191	u32 max_vpos, cur_vpos;
		192	u32 cur_brightness, max_brightness;
		193	u32 cur_contrast, max_contrast;
		194	u32 cur_saturation, max_saturation;
		195	u32 cur_hue, max_hue;
		196	u32 cur_sharpness, max_sharpness;
		197	u32 cur_flicker_filter, max_flicker_filter;
		198	u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
		199	u32 cur_flicker_filter_2d, max_flicker_filter_2d;
		200	u32 cur_tv_chroma_filter, max_tv_chroma_filter;
		201	u32 cur_tv_luma_filter, max_tv_luma_filter;
		202	u32 cur_dot_crawl, max_dot_crawl;
		203	};
		204
4104	Serge	205	static struct intel_sdvo to_sdvo(struct intel_encoder encoder)
2330	Serge	206	{
4104	Serge	207	return container_of(encoder, struct intel_sdvo, base);
2330	Serge	208	}
		209
		210	static struct intel_sdvo intel_attached_sdvo(struct drm_connector connector)
		211	{
4104	Serge	212	return to_sdvo(intel_attached_encoder(connector));
2330	Serge	213	}
		214
		215	static struct intel_sdvo_connector to_intel_sdvo_connector(struct drm_connector connector)
		216	{
		217	return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
		218	}
		219
		220	static bool
		221	intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
		222	static bool
		223	intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
		224	struct intel_sdvo_connector *intel_sdvo_connector,
		225	int type);
		226	static bool
		227	intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
		228	struct intel_sdvo_connector *intel_sdvo_connector);
		229
		230	/**
		231	* Writes the SDVOB or SDVOC with the given value, but always writes both
		232	* SDVOB and SDVOC to work around apparent hardware issues (according to
		233	* comments in the BIOS).
		234	*/
		235	static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
		236	{
		237	struct drm_device *dev = intel_sdvo->base.base.dev;
		238	struct drm_i915_private *dev_priv = dev->dev_private;
		239	u32 bval = val, cval = val;
		240	int i;
		241
		242	if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
		243	I915_WRITE(intel_sdvo->sdvo_reg, val);
		244	I915_READ(intel_sdvo->sdvo_reg);
		245	return;
		246	}
		247
3746	Serge	248	if (intel_sdvo->sdvo_reg == GEN3_SDVOB)
		249	cval = I915_READ(GEN3_SDVOC);
		250	else
		251	bval = I915_READ(GEN3_SDVOB);
		252
2330	Serge	253	/*
		254	* Write the registers twice for luck. Sometimes,
		255	* writing them only once doesn't appear to 'stick'.
		256	* The BIOS does this too. Yay, magic
		257	*/
		258	for (i = 0; i < 2; i++)
		259	{
3746	Serge	260	I915_WRITE(GEN3_SDVOB, bval);
		261	I915_READ(GEN3_SDVOB);
		262	I915_WRITE(GEN3_SDVOC, cval);
		263	I915_READ(GEN3_SDVOC);
2330	Serge	264	}
		265	}
		266
		267	static bool intel_sdvo_read_byte(struct intel_sdvo intel_sdvo, u8 addr, u8 ch)
		268	{
		269	struct i2c_msg msgs[] = {
		270	{
		271	.addr = intel_sdvo->slave_addr,
		272	.flags = 0,
		273	.len = 1,
		274	.buf = &addr,
		275	},
		276	{
		277	.addr = intel_sdvo->slave_addr,
		278	.flags = I2C_M_RD,
		279	.len = 1,
		280	.buf = ch,
		281	}
		282	};
		283	int ret;
		284
		285	if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
		286	return true;
		287
		288	DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
		289	return false;
		290	}
		291
		292	#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
		293	/** Mapping of command numbers to names, for debug output */
		294	static const struct _sdvo_cmd_name {
		295	u8 cmd;
		296	const char *name;
		297	} sdvo_cmd_names[] = {
		298	SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
		299	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
		300	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
		301	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
		302	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
		303	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
		304	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
		305	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
		306	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
		307	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
		308	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
		309	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
		310	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
		311	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
		312	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
		313	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
		314	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
		315	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
		316	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
		317	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
		318	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
		319	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
		320	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
		321	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
		322	SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
		323	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
		324	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
		325	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
		326	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
		327	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
		328	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
		329	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
		330	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
		331	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
		332	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
		333	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
		334	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
		335	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
		336	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
		337	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
		338	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
		339	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
		340	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
		341
		342	/* Add the op code for SDVO enhancements */
		343	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
		344	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
		345	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
		346	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
		347	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
		348	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
		349	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
		350	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
		351	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
		352	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
		353	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
		354	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
		355	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
		356	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
		357	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
		358	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
		359	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
		360	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
		361	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
		362	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
		363	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
		364	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
		365	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
		366	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
		367	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
		368	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
		369	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
		370	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
		371	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
		372	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
		373	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
		374	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
		375	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
		376	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
		377	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
		378	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
		379	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
		380	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
		381	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
		382	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
		383	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
		384	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
		385	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
		386	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
		387
		388	/* HDMI op code */
		389	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
		390	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
		391	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
		392	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
		393	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
		394	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
		395	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
		396	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
		397	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
		398	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
		399	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
		400	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
		401	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
		402	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
		403	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
		404	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
		405	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
		406	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
		407	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
		408	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
		409	};
		410
3031	serge	411	#define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
2330	Serge	412
		413	static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
		414	const void *args, int args_len)
		415	{
4560	Serge	416	int i, pos = 0;
		417	#define BUF_LEN 256
		418	char buffer[BUF_LEN];
2330	Serge	419
4560	Serge	420	#define BUF_PRINT(args...) \
		421	pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
		422
		423
		424	for (i = 0; i < args_len; i++) {
		425	BUF_PRINT("%02X ", ((u8 *)args)[i]);
		426	}
		427	for (; i < 8; i++) {
		428	BUF_PRINT(" ");
		429	}
2330	Serge	430	for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
		431	if (cmd == sdvo_cmd_names[i].cmd) {
4560	Serge	432	BUF_PRINT("(%s)", sdvo_cmd_names[i].name);
2330	Serge	433	break;
		434	}
		435	}
4560	Serge	436	if (i == ARRAY_SIZE(sdvo_cmd_names)) {
		437	BUF_PRINT("(%02X)", cmd);
		438	}
		439	BUG_ON(pos >= BUF_LEN - 1);
		440	#undef BUF_PRINT
		441	#undef BUF_LEN
		442
		443	DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer);
2330	Serge	444	}
		445
		446	static const char *cmd_status_names[] = {
		447	"Power on",
		448	"Success",
		449	"Not supported",
		450	"Invalid arg",
		451	"Pending",
		452	"Target not specified",
		453	"Scaling not supported"
		454	};
		455
		456	static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
		457	const void *args, int args_len)
		458	{
3031	serge	459	u8 *buf, status;
		460	struct i2c_msg *msgs;
		461	int i, ret = true;
2330	Serge	462
3031	serge	463	/* Would be simpler to allocate both in one go ? */
3746	Serge	464	buf = kzalloc(args_len * 2 + 2, GFP_KERNEL);
3031	serge	465	if (!buf)
		466	return false;
		467
		468	msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
		469	if (!msgs) {
		470	kfree(buf);
		471	return false;
		472	}
		473
2330	Serge	474	intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
		475
		476	for (i = 0; i < args_len; i++) {
		477	msgs[i].addr = intel_sdvo->slave_addr;
		478	msgs[i].flags = 0;
		479	msgs[i].len = 2;
		480	msgs[i].buf = buf + 2 *i;
		481	buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
		482	buf[2i + 1] = ((u8)args)[i];
		483	}
		484	msgs[i].addr = intel_sdvo->slave_addr;
		485	msgs[i].flags = 0;
		486	msgs[i].len = 2;
		487	msgs[i].buf = buf + 2*i;
		488	buf[2*i + 0] = SDVO_I2C_OPCODE;
		489	buf[2*i + 1] = cmd;
		490
		491	/* the following two are to read the response */
		492	status = SDVO_I2C_CMD_STATUS;
		493	msgs[i+1].addr = intel_sdvo->slave_addr;
		494	msgs[i+1].flags = 0;
		495	msgs[i+1].len = 1;
		496	msgs[i+1].buf = &status;
		497
		498	msgs[i+2].addr = intel_sdvo->slave_addr;
		499	msgs[i+2].flags = I2C_M_RD;
		500	msgs[i+2].len = 1;
		501	msgs[i+2].buf = &status;
		502
		503	ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
		504	if (ret < 0) {
		505	DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
3031	serge	506	ret = false;
		507	goto out;
2330	Serge	508	}
		509	if (ret != i+3) {
		510	/* failure in I2C transfer */
		511	DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
3031	serge	512	ret = false;
2330	Serge	513	}
		514
3031	serge	515	out:
		516	kfree(msgs);
		517	kfree(buf);
		518	return ret;
2330	Serge	519	}
		520
		521	static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
		522	void *response, int response_len)
		523	{
3243	Serge	524	u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
2330	Serge	525	u8 status;
4560	Serge	526	int i, pos = 0;
		527	#define BUF_LEN 256
		528	char buffer[BUF_LEN];
2330	Serge	529
		530
		531	/*
		532	* The documentation states that all commands will be
		533	* processed within 15µs, and that we need only poll
		534	* the status byte a maximum of 3 times in order for the
		535	* command to be complete.
		536	*
		537	* Check 5 times in case the hardware failed to read the docs.
3243	Serge	538	*
		539	* Also beware that the first response by many devices is to
		540	* reply PENDING and stall for time. TVs are notorious for
		541	* requiring longer than specified to complete their replies.
		542	* Originally (in the DDX long ago), the delay was only ever 15ms
		543	* with an additional delay of 30ms applied for TVs added later after
		544	* many experiments. To accommodate both sets of delays, we do a
		545	* sequence of slow checks if the device is falling behind and fails
		546	* to reply within 5*15µs.
2330	Serge	547	*/
		548	if (!intel_sdvo_read_byte(intel_sdvo,
		549	SDVO_I2C_CMD_STATUS,
		550	&status))
		551	goto log_fail;
		552
4104	Serge	553	while ((status == SDVO_CMD_STATUS_PENDING \|\|
		554	status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) {
3243	Serge	555	if (retry < 10)
		556	msleep(15);
		557	else
		558	udelay(15);
		559
2330	Serge	560	if (!intel_sdvo_read_byte(intel_sdvo,
		561	SDVO_I2C_CMD_STATUS,
		562	&status))
		563	goto log_fail;
		564	}
		565
4560	Serge	566	#define BUF_PRINT(args...) \
		567	pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
		568
2330	Serge	569	if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
4560	Serge	570	BUF_PRINT("(%s)", cmd_status_names[status]);
2330	Serge	571	else
4560	Serge	572	BUF_PRINT("(??? %d)", status);
2330	Serge	573
		574	if (status != SDVO_CMD_STATUS_SUCCESS)
		575	goto log_fail;
		576
		577	/* Read the command response */
		578	for (i = 0; i < response_len; i++) {
		579	if (!intel_sdvo_read_byte(intel_sdvo,
		580	SDVO_I2C_RETURN_0 + i,
		581	&((u8 *)response)[i]))
		582	goto log_fail;
4560	Serge	583	BUF_PRINT(" %02X", ((u8 *)response)[i]);
2330	Serge	584	}
4560	Serge	585	BUG_ON(pos >= BUF_LEN - 1);
		586	#undef BUF_PRINT
		587	#undef BUF_LEN
		588
		589	DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer);
2330	Serge	590	return true;
		591
		592	log_fail:
4560	Serge	593	DRM_DEBUG_KMS("%s: R: ... failed\n", SDVO_NAME(intel_sdvo));
2330	Serge	594	return false;
		595	}
		596
		597	static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
		598	{
		599	if (mode->clock >= 100000)
		600	return 1;
		601	else if (mode->clock >= 50000)
		602	return 2;
		603	else
		604	return 4;
		605	}
		606
		607	static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
		608	u8 ddc_bus)
		609	{
		610	/* This must be the immediately preceding write before the i2c xfer */
		611	return intel_sdvo_write_cmd(intel_sdvo,
		612	SDVO_CMD_SET_CONTROL_BUS_SWITCH,
		613	&ddc_bus, 1);
		614	}
		615
		616	static bool intel_sdvo_set_value(struct intel_sdvo intel_sdvo, u8 cmd, const void data, int len)
		617	{
		618	if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
		619	return false;
		620
		621	return intel_sdvo_read_response(intel_sdvo, NULL, 0);
		622	}
		623
		624	static bool
		625	intel_sdvo_get_value(struct intel_sdvo intel_sdvo, u8 cmd, void value, int len)
		626	{
		627	if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
		628	return false;
		629
		630	return intel_sdvo_read_response(intel_sdvo, value, len);
		631	}
		632
		633	static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
		634	{
		635	struct intel_sdvo_set_target_input_args targets = {0};
		636	return intel_sdvo_set_value(intel_sdvo,
		637	SDVO_CMD_SET_TARGET_INPUT,
		638	&targets, sizeof(targets));
		639	}
		640
		641	/**
		642	* Return whether each input is trained.
		643	*
		644	* This function is making an assumption about the layout of the response,
		645	* which should be checked against the docs.
		646	*/
		647	static bool intel_sdvo_get_trained_inputs(struct intel_sdvo intel_sdvo, bool input_1, bool *input_2)
		648	{
		649	struct intel_sdvo_get_trained_inputs_response response;
		650
		651	BUILD_BUG_ON(sizeof(response) != 1);
		652	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
		653	&response, sizeof(response)))
		654	return false;
		655
		656	*input_1 = response.input0_trained;
		657	*input_2 = response.input1_trained;
		658	return true;
		659	}
		660
		661	static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
		662	u16 outputs)
		663	{
		664	return intel_sdvo_set_value(intel_sdvo,
		665	SDVO_CMD_SET_ACTIVE_OUTPUTS,
		666	&outputs, sizeof(outputs));
		667	}
		668
3031	serge	669	static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
		670	u16 *outputs)
		671	{
		672	return intel_sdvo_get_value(intel_sdvo,
		673	SDVO_CMD_GET_ACTIVE_OUTPUTS,
		674	outputs, sizeof(*outputs));
		675	}
		676
2340	Serge	677	static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
		678	int mode)
		679	{
		680	u8 state = SDVO_ENCODER_STATE_ON;
2330	Serge	681
2340	Serge	682	switch (mode) {
		683	case DRM_MODE_DPMS_ON:
		684	state = SDVO_ENCODER_STATE_ON;
		685	break;
		686	case DRM_MODE_DPMS_STANDBY:
		687	state = SDVO_ENCODER_STATE_STANDBY;
		688	break;
		689	case DRM_MODE_DPMS_SUSPEND:
		690	state = SDVO_ENCODER_STATE_SUSPEND;
		691	break;
		692	case DRM_MODE_DPMS_OFF:
		693	state = SDVO_ENCODER_STATE_OFF;
		694	break;
		695	}
2330	Serge	696
2340	Serge	697	return intel_sdvo_set_value(intel_sdvo,
		698	SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
		699	}
2330	Serge	700
		701	static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
		702	int *clock_min,
		703	int *clock_max)
		704	{
		705	struct intel_sdvo_pixel_clock_range clocks;
		706
		707	BUILD_BUG_ON(sizeof(clocks) != 4);
		708	if (!intel_sdvo_get_value(intel_sdvo,
		709	SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
		710	&clocks, sizeof(clocks)))
		711	return false;
		712
		713	/* Convert the values from units of 10 kHz to kHz. */
		714	clock_min = clocks.min 10;
		715	clock_max = clocks.max 10;
		716	return true;
		717	}
		718
		719	static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
		720	u16 outputs)
		721	{
		722	return intel_sdvo_set_value(intel_sdvo,
		723	SDVO_CMD_SET_TARGET_OUTPUT,
		724	&outputs, sizeof(outputs));
		725	}
		726
		727	static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
		728	struct intel_sdvo_dtd *dtd)
		729	{
		730	return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
		731	intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
		732	}
		733
4104	Serge	734	static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
		735	struct intel_sdvo_dtd *dtd)
		736	{
		737	return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
		738	intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
		739	}
		740
2330	Serge	741	static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
		742	struct intel_sdvo_dtd *dtd)
		743	{
		744	return intel_sdvo_set_timing(intel_sdvo,
		745	SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
		746	}
		747
		748	static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
		749	struct intel_sdvo_dtd *dtd)
		750	{
		751	return intel_sdvo_set_timing(intel_sdvo,
		752	SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
		753	}
		754
4104	Serge	755	static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
		756	struct intel_sdvo_dtd *dtd)
		757	{
		758	return intel_sdvo_get_timing(intel_sdvo,
		759	SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd);
		760	}
		761
2330	Serge	762	static bool
		763	intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
		764	uint16_t clock,
		765	uint16_t width,
		766	uint16_t height)
		767	{
		768	struct intel_sdvo_preferred_input_timing_args args;
		769
		770	memset(&args, 0, sizeof(args));
		771	args.clock = clock;
		772	args.width = width;
		773	args.height = height;
		774	args.interlace = 0;
		775
		776	if (intel_sdvo->is_lvds &&
		777	(intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width \|\|
		778	intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
		779	args.scaled = 1;
		780
		781	return intel_sdvo_set_value(intel_sdvo,
		782	SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
		783	&args, sizeof(args));
		784	}
		785
		786	static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
		787	struct intel_sdvo_dtd *dtd)
		788	{
		789	BUILD_BUG_ON(sizeof(dtd->part1) != 8);
		790	BUILD_BUG_ON(sizeof(dtd->part2) != 8);
		791	return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
		792	&dtd->part1, sizeof(dtd->part1)) &&
		793	intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
		794	&dtd->part2, sizeof(dtd->part2));
		795	}
		796
		797	static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
		798	{
		799	return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
		800	}
		801
		802	static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
		803	const struct drm_display_mode *mode)
		804	{
		805	uint16_t width, height;
		806	uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
		807	uint16_t h_sync_offset, v_sync_offset;
3031	serge	808	int mode_clock;
2330	Serge	809
4104	Serge	810	memset(dtd, 0, sizeof(*dtd));
		811
3031	serge	812	width = mode->hdisplay;
		813	height = mode->vdisplay;
2330	Serge	814
		815	/* do some mode translations */
3031	serge	816	h_blank_len = mode->htotal - mode->hdisplay;
		817	h_sync_len = mode->hsync_end - mode->hsync_start;
2330	Serge	818
3031	serge	819	v_blank_len = mode->vtotal - mode->vdisplay;
		820	v_sync_len = mode->vsync_end - mode->vsync_start;
2330	Serge	821
3031	serge	822	h_sync_offset = mode->hsync_start - mode->hdisplay;
		823	v_sync_offset = mode->vsync_start - mode->vdisplay;
2330	Serge	824
3031	serge	825	mode_clock = mode->clock;
		826	mode_clock /= 10;
		827	dtd->part1.clock = mode_clock;
		828
2330	Serge	829	dtd->part1.h_active = width & 0xff;
		830	dtd->part1.h_blank = h_blank_len & 0xff;
		831	dtd->part1.h_high = (((width >> 8) & 0xf) << 4) \|
		832	((h_blank_len >> 8) & 0xf);
		833	dtd->part1.v_active = height & 0xff;
		834	dtd->part1.v_blank = v_blank_len & 0xff;
		835	dtd->part1.v_high = (((height >> 8) & 0xf) << 4) \|
		836	((v_blank_len >> 8) & 0xf);
		837
		838	dtd->part2.h_sync_off = h_sync_offset & 0xff;
		839	dtd->part2.h_sync_width = h_sync_len & 0xff;
		840	dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 \|
		841	(v_sync_len & 0xf);
		842	dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) \|
		843	((h_sync_len & 0x300) >> 4) \| ((v_sync_offset & 0x30) >> 2) \|
		844	((v_sync_len & 0x30) >> 4);
		845
		846	dtd->part2.dtd_flags = 0x18;
3031	serge	847	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
		848	dtd->part2.dtd_flags \|= DTD_FLAG_INTERLACE;
2330	Serge	849	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
3031	serge	850	dtd->part2.dtd_flags \|= DTD_FLAG_HSYNC_POSITIVE;
2330	Serge	851	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
3031	serge	852	dtd->part2.dtd_flags \|= DTD_FLAG_VSYNC_POSITIVE;
2330	Serge	853
		854	dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
		855	}
		856
4104	Serge	857	static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode,
2330	Serge	858	const struct intel_sdvo_dtd *dtd)
		859	{
4104	Serge	860	struct drm_display_mode mode = {};
2330	Serge	861
4104	Serge	862	mode.hdisplay = dtd->part1.h_active;
		863	mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
		864	mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off;
		865	mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
		866	mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width;
		867	mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
		868	mode.htotal = mode.hdisplay + dtd->part1.h_blank;
		869	mode.htotal += (dtd->part1.h_high & 0xf) << 8;
		870
		871	mode.vdisplay = dtd->part1.v_active;
		872	mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
		873	mode.vsync_start = mode.vdisplay;
		874	mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
		875	mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
		876	mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0;
		877	mode.vsync_end = mode.vsync_start +
2330	Serge	878	(dtd->part2.v_sync_off_width & 0xf);
4104	Serge	879	mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
		880	mode.vtotal = mode.vdisplay + dtd->part1.v_blank;
		881	mode.vtotal += (dtd->part1.v_high & 0xf) << 8;
2330	Serge	882
4104	Serge	883	mode.clock = dtd->part1.clock * 10;
2330	Serge	884
3031	serge	885	if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
4104	Serge	886	mode.flags \|= DRM_MODE_FLAG_INTERLACE;
3031	serge	887	if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
4104	Serge	888	mode.flags \|= DRM_MODE_FLAG_PHSYNC;
		889	else
		890	mode.flags \|= DRM_MODE_FLAG_NHSYNC;
3031	serge	891	if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
4104	Serge	892	mode.flags \|= DRM_MODE_FLAG_PVSYNC;
		893	else
		894	mode.flags \|= DRM_MODE_FLAG_NVSYNC;
		895
		896	drm_mode_set_crtcinfo(&mode, 0);
		897
		898	drm_mode_copy(pmode, &mode);
2330	Serge	899	}
		900
		901	static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
		902	{
		903	struct intel_sdvo_encode encode;
		904
		905	BUILD_BUG_ON(sizeof(encode) != 2);
		906	return intel_sdvo_get_value(intel_sdvo,
		907	SDVO_CMD_GET_SUPP_ENCODE,
		908	&encode, sizeof(encode));
		909	}
		910
		911	static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
		912	uint8_t mode)
		913	{
		914	return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
		915	}
		916
		917	static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
		918	uint8_t mode)
		919	{
		920	return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
		921	}
		922
		923	#if 0
		924	static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
		925	{
		926	int i, j;
		927	uint8_t set_buf_index[2];
		928	uint8_t av_split;
		929	uint8_t buf_size;
		930	uint8_t buf[48];
		931	uint8_t *pos;
		932
		933	intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
		934
		935	for (i = 0; i <= av_split; i++) {
		936	set_buf_index[0] = i; set_buf_index[1] = 0;
		937	intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
		938	set_buf_index, 2);
		939	intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
		940	intel_sdvo_read_response(encoder, &buf_size, 1);
		941
		942	pos = buf;
		943	for (j = 0; j <= buf_size; j += 8) {
		944	intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
		945	NULL, 0);
		946	intel_sdvo_read_response(encoder, pos, 8);
		947	pos += 8;
		948	}
		949	}
		950	}
		951	#endif
		952
3031	serge	953	static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
		954	unsigned if_index, uint8_t tx_rate,
4560	Serge	955	const uint8_t *data, unsigned length)
2330	Serge	956	{
3031	serge	957	uint8_t set_buf_index[2] = { if_index, 0 };
		958	uint8_t hbuf_size, tmp[8];
		959	int i;
2330	Serge	960
		961	if (!intel_sdvo_set_value(intel_sdvo,
		962	SDVO_CMD_SET_HBUF_INDEX,
		963	set_buf_index, 2))
		964	return false;
		965
3031	serge	966	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
		967	&hbuf_size, 1))
		968	return false;
		969
		970	/* Buffer size is 0 based, hooray! */
		971	hbuf_size++;
		972
		973	DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
		974	if_index, length, hbuf_size);
		975
		976	for (i = 0; i < hbuf_size; i += 8) {
		977	memset(tmp, 0, 8);
		978	if (i < length)
		979	memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
		980
2330	Serge	981	if (!intel_sdvo_set_value(intel_sdvo,
		982	SDVO_CMD_SET_HBUF_DATA,
3031	serge	983	tmp, 8))
2330	Serge	984	return false;
		985	}
		986
		987	return intel_sdvo_set_value(intel_sdvo,
		988	SDVO_CMD_SET_HBUF_TXRATE,
		989	&tx_rate, 1);
		990	}
		991
3480	Serge	992	static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
		993	const struct drm_display_mode *adjusted_mode)
3031	serge	994	{
4104	Serge	995	uint8_t sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
		996	struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
		997	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
		998	union hdmi_infoframe frame;
		999	int ret;
		1000	ssize_t len;
3031	serge	1001
4104	Serge	1002	ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
		1003	adjusted_mode);
		1004	if (ret < 0) {
		1005	DRM_ERROR("couldn't fill AVI infoframe\n");
		1006	return false;
		1007	}
		1008
3480	Serge	1009	if (intel_sdvo->rgb_quant_range_selectable) {
3746	Serge	1010	if (intel_crtc->config.limited_color_range)
4104	Serge	1011	frame.avi.quantization_range =
		1012	HDMI_QUANTIZATION_RANGE_LIMITED;
3480	Serge	1013	else
4104	Serge	1014	frame.avi.quantization_range =
		1015	HDMI_QUANTIZATION_RANGE_FULL;
3480	Serge	1016	}
		1017
4104	Serge	1018	len = hdmi_infoframe_pack(&frame, sdvo_data, sizeof(sdvo_data));
		1019	if (len < 0)
		1020	return false;
3746	Serge	1021
3031	serge	1022	return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
		1023	SDVO_HBUF_TX_VSYNC,
		1024	sdvo_data, sizeof(sdvo_data));
		1025	}
		1026
2330	Serge	1027	static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
		1028	{
		1029	struct intel_sdvo_tv_format format;
		1030	uint32_t format_map;
		1031
		1032	format_map = 1 << intel_sdvo->tv_format_index;
		1033	memset(&format, 0, sizeof(format));
		1034	memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
		1035
		1036	BUILD_BUG_ON(sizeof(format) != 6);
		1037	return intel_sdvo_set_value(intel_sdvo,
		1038	SDVO_CMD_SET_TV_FORMAT,
		1039	&format, sizeof(format));
		1040	}
		1041
		1042	static bool
		1043	intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
3031	serge	1044	const struct drm_display_mode *mode)
2330	Serge	1045	{
		1046	struct intel_sdvo_dtd output_dtd;
		1047
		1048	if (!intel_sdvo_set_target_output(intel_sdvo,
		1049	intel_sdvo->attached_output))
		1050	return false;
		1051
		1052	intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
		1053	if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
		1054	return false;
		1055
		1056	return true;
		1057	}
		1058
3031	serge	1059	/* Asks the sdvo controller for the preferred input mode given the output mode.
		1060	* Unfortunately we have to set up the full output mode to do that. */
2330	Serge	1061	static bool
3031	serge	1062	intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
		1063	const struct drm_display_mode *mode,
2330	Serge	1064	struct drm_display_mode *adjusted_mode)
		1065	{
3031	serge	1066	struct intel_sdvo_dtd input_dtd;
		1067
2330	Serge	1068	/* Reset the input timing to the screen. Assume always input 0. */
		1069	if (!intel_sdvo_set_target_input(intel_sdvo))
		1070	return false;
		1071
		1072	if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
		1073	mode->clock / 10,
		1074	mode->hdisplay,
		1075	mode->vdisplay))
		1076	return false;
		1077
		1078	if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
3031	serge	1079	&input_dtd))
2330	Serge	1080	return false;
		1081
3031	serge	1082	intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
		1083	intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
2330	Serge	1084
		1085	return true;
		1086	}
		1087
4104	Serge	1088	static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_config *pipe_config)
		1089	{
4560	Serge	1090	unsigned dotclock = pipe_config->port_clock;
4104	Serge	1091	struct dpll *clock = &pipe_config->dpll;
		1092
		1093	/* SDVO TV has fixed PLL values depend on its clock range,
		1094	this mirrors vbios setting. */
		1095	if (dotclock >= 100000 && dotclock < 140500) {
		1096	clock->p1 = 2;
		1097	clock->p2 = 10;
		1098	clock->n = 3;
		1099	clock->m1 = 16;
		1100	clock->m2 = 8;
		1101	} else if (dotclock >= 140500 && dotclock <= 200000) {
		1102	clock->p1 = 1;
		1103	clock->p2 = 10;
		1104	clock->n = 6;
		1105	clock->m1 = 12;
		1106	clock->m2 = 8;
		1107	} else {
		1108	WARN(1, "SDVO TV clock out of range: %i\n", dotclock);
		1109	}
		1110
		1111	pipe_config->clock_set = true;
		1112	}
		1113
3746	Serge	1114	static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
		1115	struct intel_crtc_config *pipe_config)
2330	Serge	1116	{
4104	Serge	1117	struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
3746	Serge	1118	struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
		1119	struct drm_display_mode *mode = &pipe_config->requested_mode;
2330	Serge	1120
3746	Serge	1121	DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
		1122	pipe_config->pipe_bpp = 8*3;
		1123
		1124	if (HAS_PCH_SPLIT(encoder->base.dev))
		1125	pipe_config->has_pch_encoder = true;
		1126
2330	Serge	1127	/* We need to construct preferred input timings based on our
		1128	* output timings. To do that, we have to set the output
		1129	* timings, even though this isn't really the right place in
		1130	* the sequence to do it. Oh well.
		1131	*/
		1132	if (intel_sdvo->is_tv) {
		1133	if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
		1134	return false;
		1135
3031	serge	1136	(void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
2330	Serge	1137	mode,
		1138	adjusted_mode);
4104	Serge	1139	pipe_config->sdvo_tv_clock = true;
2330	Serge	1140	} else if (intel_sdvo->is_lvds) {
		1141	if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
		1142	intel_sdvo->sdvo_lvds_fixed_mode))
		1143	return false;
		1144
3031	serge	1145	(void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
2330	Serge	1146	mode,
		1147	adjusted_mode);
		1148	}
		1149
		1150	/* Make the CRTC code factor in the SDVO pixel multiplier. The
		1151	* SDVO device will factor out the multiplier during mode_set.
		1152	*/
3746	Serge	1153	pipe_config->pixel_multiplier =
		1154	intel_sdvo_get_pixel_multiplier(adjusted_mode);
2330	Serge	1155
5060	serge	1156	pipe_config->has_hdmi_sink = intel_sdvo->has_hdmi_monitor;
		1157
3480	Serge	1158	if (intel_sdvo->color_range_auto) {
		1159	/* See CEA-861-E - 5.1 Default Encoding Parameters */
3746	Serge	1160	/* FIXME: This bit is only valid when using TMDS encoding and 8
		1161	* bit per color mode. */
5060	serge	1162	if (pipe_config->has_hdmi_sink &&
3480	Serge	1163	drm_match_cea_mode(adjusted_mode) > 1)
5060	serge	1164	pipe_config->limited_color_range = true;
		1165	} else {
		1166	if (pipe_config->has_hdmi_sink &&
		1167	intel_sdvo->color_range == HDMI_COLOR_RANGE_16_235)
		1168	pipe_config->limited_color_range = true;
3480	Serge	1169	}
		1170
4104	Serge	1171	/* Clock computation needs to happen after pixel multiplier. */
		1172	if (intel_sdvo->is_tv)
		1173	i9xx_adjust_sdvo_tv_clock(pipe_config);
		1174
2330	Serge	1175	return true;
		1176	}
		1177
5060	serge	1178	static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder)
2330	Serge	1179	{
3746	Serge	1180	struct drm_device *dev = intel_encoder->base.dev;
2330	Serge	1181	struct drm_i915_private *dev_priv = dev->dev_private;
4104	Serge	1182	struct intel_crtc *crtc = to_intel_crtc(intel_encoder->base.crtc);
3746	Serge	1183	struct drm_display_mode *adjusted_mode =
4104	Serge	1184	&crtc->config.adjusted_mode;
		1185	struct drm_display_mode *mode = &crtc->config.requested_mode;
		1186	struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
2330	Serge	1187	u32 sdvox;
		1188	struct intel_sdvo_in_out_map in_out;
3031	serge	1189	struct intel_sdvo_dtd input_dtd, output_dtd;
2330	Serge	1190	int rate;
		1191
		1192	if (!mode)
		1193	return;
		1194
		1195	/* First, set the input mapping for the first input to our controlled
		1196	* output. This is only correct if we're a single-input device, in
		1197	* which case the first input is the output from the appropriate SDVO
		1198	* channel on the motherboard. In a two-input device, the first input
		1199	* will be SDVOB and the second SDVOC.
		1200	*/
		1201	in_out.in0 = intel_sdvo->attached_output;
		1202	in_out.in1 = 0;
		1203
		1204	intel_sdvo_set_value(intel_sdvo,
		1205	SDVO_CMD_SET_IN_OUT_MAP,
		1206	&in_out, sizeof(in_out));
		1207
		1208	/* Set the output timings to the screen */
		1209	if (!intel_sdvo_set_target_output(intel_sdvo,
		1210	intel_sdvo->attached_output))
		1211	return;
		1212
3031	serge	1213	/* lvds has a special fixed output timing. */
		1214	if (intel_sdvo->is_lvds)
		1215	intel_sdvo_get_dtd_from_mode(&output_dtd,
		1216	intel_sdvo->sdvo_lvds_fixed_mode);
		1217	else
		1218	intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
		1219	if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
		1220	DRM_INFO("Setting output timings on %s failed\n",
		1221	SDVO_NAME(intel_sdvo));
2330	Serge	1222
		1223	/* Set the input timing to the screen. Assume always input 0. */
		1224	if (!intel_sdvo_set_target_input(intel_sdvo))
		1225	return;
		1226
5060	serge	1227	if (crtc->config.has_hdmi_sink) {
2330	Serge	1228	intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
		1229	intel_sdvo_set_colorimetry(intel_sdvo,
		1230	SDVO_COLORIMETRY_RGB256);
3480	Serge	1231	intel_sdvo_set_avi_infoframe(intel_sdvo, adjusted_mode);
2330	Serge	1232	} else
		1233	intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
		1234
		1235	if (intel_sdvo->is_tv &&
		1236	!intel_sdvo_set_tv_format(intel_sdvo))
		1237	return;
		1238
3031	serge	1239	intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
4104	Serge	1240
3031	serge	1241	if (intel_sdvo->is_tv \|\| intel_sdvo->is_lvds)
		1242	input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
		1243	if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
		1244	DRM_INFO("Setting input timings on %s failed\n",
		1245	SDVO_NAME(intel_sdvo));
2330	Serge	1246
4104	Serge	1247	switch (crtc->config.pixel_multiplier) {
2330	Serge	1248	default:
4104	Serge	1249	WARN(1, "unknown pixel mutlipler specified\n");
2330	Serge	1250	case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
		1251	case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
		1252	case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
		1253	}
		1254	if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
		1255	return;
		1256
		1257	/* Set the SDVO control regs. */
		1258	if (INTEL_INFO(dev)->gen >= 4) {
2342	Serge	1259	/* The real mode polarity is set by the SDVO commands, using
		1260	* struct intel_sdvo_dtd. */
		1261	sdvox = SDVO_VSYNC_ACTIVE_HIGH \| SDVO_HSYNC_ACTIVE_HIGH;
5060	serge	1262	if (!HAS_PCH_SPLIT(dev) && crtc->config.limited_color_range)
		1263	sdvox \|= HDMI_COLOR_RANGE_16_235;
2330	Serge	1264	if (INTEL_INFO(dev)->gen < 5)
		1265	sdvox \|= SDVO_BORDER_ENABLE;
		1266	} else {
		1267	sdvox = I915_READ(intel_sdvo->sdvo_reg);
		1268	switch (intel_sdvo->sdvo_reg) {
3746	Serge	1269	case GEN3_SDVOB:
2330	Serge	1270	sdvox &= SDVOB_PRESERVE_MASK;
		1271	break;
3746	Serge	1272	case GEN3_SDVOC:
2330	Serge	1273	sdvox &= SDVOC_PRESERVE_MASK;
		1274	break;
		1275	}
		1276	sdvox \|= (9 << 19) \| SDVO_BORDER_ENABLE;
		1277	}
2342	Serge	1278
		1279	if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
4104	Serge	1280	sdvox \|= SDVO_PIPE_SEL_CPT(crtc->pipe);
2342	Serge	1281	else
4104	Serge	1282	sdvox \|= SDVO_PIPE_SEL(crtc->pipe);
2342	Serge	1283
2330	Serge	1284	if (intel_sdvo->has_hdmi_audio)
		1285	sdvox \|= SDVO_AUDIO_ENABLE;
		1286
		1287	if (INTEL_INFO(dev)->gen >= 4) {
		1288	/* done in crtc_mode_set as the dpll_md reg must be written early */
		1289	} else if (IS_I945G(dev) \|\| IS_I945GM(dev) \|\| IS_G33(dev)) {
		1290	/* done in crtc_mode_set as it lives inside the dpll register */
		1291	} else {
4104	Serge	1292	sdvox \|= (crtc->config.pixel_multiplier - 1)
3746	Serge	1293	<< SDVO_PORT_MULTIPLY_SHIFT;
2330	Serge	1294	}
		1295
		1296	if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
		1297	INTEL_INFO(dev)->gen < 5)
		1298	sdvox \|= SDVO_STALL_SELECT;
		1299	intel_sdvo_write_sdvox(intel_sdvo, sdvox);
		1300	}
		1301
3031	serge	1302	static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
2330	Serge	1303	{
3031	serge	1304	struct intel_sdvo_connector *intel_sdvo_connector =
		1305	to_intel_sdvo_connector(&connector->base);
		1306	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
4104	Serge	1307	u16 active_outputs = 0;
3031	serge	1308
		1309	intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
		1310
		1311	if (active_outputs & intel_sdvo_connector->output_flag)
		1312	return true;
		1313	else
		1314	return false;
		1315	}
		1316
		1317	static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
		1318	enum pipe *pipe)
		1319	{
		1320	struct drm_device *dev = encoder->base.dev;
2330	Serge	1321	struct drm_i915_private *dev_priv = dev->dev_private;
4104	Serge	1322	struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
		1323	u16 active_outputs = 0;
3031	serge	1324	u32 tmp;
		1325
		1326	tmp = I915_READ(intel_sdvo->sdvo_reg);
3746	Serge	1327	intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
3031	serge	1328
3746	Serge	1329	if (!(tmp & SDVO_ENABLE) && (active_outputs == 0))
3031	serge	1330	return false;
		1331
		1332	if (HAS_PCH_CPT(dev))
		1333	*pipe = PORT_TO_PIPE_CPT(tmp);
		1334	else
		1335	*pipe = PORT_TO_PIPE(tmp);
		1336
		1337	return true;
		1338	}
		1339
4104	Serge	1340	static void intel_sdvo_get_config(struct intel_encoder *encoder,
		1341	struct intel_crtc_config *pipe_config)
		1342	{
		1343	struct drm_device *dev = encoder->base.dev;
		1344	struct drm_i915_private *dev_priv = dev->dev_private;
		1345	struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
		1346	struct intel_sdvo_dtd dtd;
		1347	int encoder_pixel_multiplier = 0;
4560	Serge	1348	int dotclock;
4104	Serge	1349	u32 flags = 0, sdvox;
		1350	u8 val;
		1351	bool ret;
		1352
5060	serge	1353	sdvox = I915_READ(intel_sdvo->sdvo_reg);
		1354
4104	Serge	1355	ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
		1356	if (!ret) {
		1357	/* Some sdvo encoders are not spec compliant and don't
		1358	* implement the mandatory get_timings function. */
		1359	DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n");
		1360	pipe_config->quirks \|= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS;
		1361	} else {
		1362	if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
		1363	flags \|= DRM_MODE_FLAG_PHSYNC;
		1364	else
		1365	flags \|= DRM_MODE_FLAG_NHSYNC;
		1366
		1367	if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
		1368	flags \|= DRM_MODE_FLAG_PVSYNC;
		1369	else
		1370	flags \|= DRM_MODE_FLAG_NVSYNC;
		1371	}
		1372
		1373	pipe_config->adjusted_mode.flags \|= flags;
		1374
		1375	/*
		1376	* pixel multiplier readout is tricky: Only on i915g/gm it is stored in
		1377	* the sdvo port register, on all other platforms it is part of the dpll
		1378	* state. Since the general pipe state readout happens before the
		1379	* encoder->get_config we so already have a valid pixel multplier on all
		1380	* other platfroms.
		1381	*/
		1382	if (IS_I915G(dev) \|\| IS_I915GM(dev)) {
		1383	pipe_config->pixel_multiplier =
		1384	((sdvox & SDVO_PORT_MULTIPLY_MASK)
		1385	>> SDVO_PORT_MULTIPLY_SHIFT) + 1;
		1386	}
		1387
5060	serge	1388	dotclock = pipe_config->port_clock;
		1389	if (pipe_config->pixel_multiplier)
		1390	dotclock /= pipe_config->pixel_multiplier;
4560	Serge	1391
		1392	if (HAS_PCH_SPLIT(dev))
		1393	ironlake_check_encoder_dotclock(pipe_config, dotclock);
		1394
		1395	pipe_config->adjusted_mode.crtc_clock = dotclock;
		1396
4104	Serge	1397	/* Cross check the port pixel multiplier with the sdvo encoder state. */
		1398	if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT,
		1399	&val, 1)) {
		1400	switch (val) {
		1401	case SDVO_CLOCK_RATE_MULT_1X:
		1402	encoder_pixel_multiplier = 1;
		1403	break;
		1404	case SDVO_CLOCK_RATE_MULT_2X:
		1405	encoder_pixel_multiplier = 2;
		1406	break;
		1407	case SDVO_CLOCK_RATE_MULT_4X:
		1408	encoder_pixel_multiplier = 4;
		1409	break;
		1410	}
		1411	}
		1412
5060	serge	1413	if (sdvox & HDMI_COLOR_RANGE_16_235)
		1414	pipe_config->limited_color_range = true;
		1415
		1416	if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,
		1417	&val, 1)) {
		1418	if (val == SDVO_ENCODE_HDMI)
		1419	pipe_config->has_hdmi_sink = true;
		1420	}
		1421
4104	Serge	1422	WARN(encoder_pixel_multiplier != pipe_config->pixel_multiplier,
		1423	"SDVO pixel multiplier mismatch, port: %i, encoder: %i\n",
		1424	pipe_config->pixel_multiplier, encoder_pixel_multiplier);
		1425	}
		1426
3031	serge	1427	static void intel_disable_sdvo(struct intel_encoder *encoder)
		1428	{
		1429	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
4104	Serge	1430	struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
2330	Serge	1431	u32 temp;
		1432
		1433	intel_sdvo_set_active_outputs(intel_sdvo, 0);
		1434	if (0)
3031	serge	1435	intel_sdvo_set_encoder_power_state(intel_sdvo,
		1436	DRM_MODE_DPMS_OFF);
2330	Serge	1437
		1438	temp = I915_READ(intel_sdvo->sdvo_reg);
		1439	if ((temp & SDVO_ENABLE) != 0) {
3243	Serge	1440	/* HW workaround for IBX, we need to move the port to
		1441	* transcoder A before disabling it. */
		1442	if (HAS_PCH_IBX(encoder->base.dev)) {
		1443	struct drm_crtc *crtc = encoder->base.crtc;
		1444	int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
		1445
		1446	if (temp & SDVO_PIPE_B_SELECT) {
		1447	temp &= ~SDVO_PIPE_B_SELECT;
		1448	I915_WRITE(intel_sdvo->sdvo_reg, temp);
		1449	POSTING_READ(intel_sdvo->sdvo_reg);
		1450
		1451	/* Again we need to write this twice. */
		1452	I915_WRITE(intel_sdvo->sdvo_reg, temp);
		1453	POSTING_READ(intel_sdvo->sdvo_reg);
		1454
		1455	/* Transcoder selection bits only update
		1456	* effectively on vblank. */
		1457	if (crtc)
		1458	intel_wait_for_vblank(encoder->base.dev, pipe);
		1459	else
		1460	msleep(50);
		1461	}
		1462	}
		1463
2330	Serge	1464	intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
		1465	}
3031	serge	1466	}
		1467
		1468	static void intel_enable_sdvo(struct intel_encoder *encoder)
		1469	{
		1470	struct drm_device *dev = encoder->base.dev;
		1471	struct drm_i915_private *dev_priv = dev->dev_private;
4104	Serge	1472	struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
3031	serge	1473	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
		1474	u32 temp;
2330	Serge	1475	bool input1, input2;
		1476	int i;
5060	serge	1477	bool success;
2330	Serge	1478
		1479	temp = I915_READ(intel_sdvo->sdvo_reg);
3243	Serge	1480	if ((temp & SDVO_ENABLE) == 0) {
		1481	/* HW workaround for IBX, we need to move the port
3746	Serge	1482	* to transcoder A before disabling it, so restore it here. */
		1483	if (HAS_PCH_IBX(dev))
		1484	temp \|= SDVO_PIPE_SEL(intel_crtc->pipe);
3243	Serge	1485
2330	Serge	1486	intel_sdvo_write_sdvox(intel_sdvo, temp \| SDVO_ENABLE);
3243	Serge	1487	}
2330	Serge	1488	for (i = 0; i < 2; i++)
		1489	intel_wait_for_vblank(dev, intel_crtc->pipe);
		1490
5060	serge	1491	success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
2330	Serge	1492	/* Warn if the device reported failure to sync.
		1493	* A lot of SDVO devices fail to notify of sync, but it's
		1494	* a given it the status is a success, we succeeded.
		1495	*/
5060	serge	1496	if (success && !input1) {
2330	Serge	1497	DRM_DEBUG_KMS("First %s output reported failure to "
		1498	"sync\n", SDVO_NAME(intel_sdvo));
		1499	}
		1500
		1501	if (0)
3031	serge	1502	intel_sdvo_set_encoder_power_state(intel_sdvo,
		1503	DRM_MODE_DPMS_ON);
		1504	intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
		1505	}
		1506
4104	Serge	1507	/* Special dpms function to support cloning between dvo/sdvo/crt. */
3031	serge	1508	static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
		1509	{
		1510	struct drm_crtc *crtc;
		1511	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		1512
		1513	/* dvo supports only 2 dpms states. */
		1514	if (mode != DRM_MODE_DPMS_ON)
		1515	mode = DRM_MODE_DPMS_OFF;
		1516
		1517	if (mode == connector->dpms)
		1518	return;
		1519
		1520	connector->dpms = mode;
		1521
		1522	/* Only need to change hw state when actually enabled */
		1523	crtc = intel_sdvo->base.base.crtc;
		1524	if (!crtc) {
		1525	intel_sdvo->base.connectors_active = false;
		1526	return;
		1527	}
		1528
4104	Serge	1529	/* We set active outputs manually below in case pipe dpms doesn't change
		1530	* due to cloning. */
3031	serge	1531	if (mode != DRM_MODE_DPMS_ON) {
		1532	intel_sdvo_set_active_outputs(intel_sdvo, 0);
		1533	if (0)
2330	Serge	1534	intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
3031	serge	1535
		1536	intel_sdvo->base.connectors_active = false;
		1537
		1538	intel_crtc_update_dpms(crtc);
		1539	} else {
		1540	intel_sdvo->base.connectors_active = true;
		1541
		1542	intel_crtc_update_dpms(crtc);
		1543
		1544	if (0)
		1545	intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
2330	Serge	1546	intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
		1547	}
3031	serge	1548
		1549	intel_modeset_check_state(connector->dev);
2330	Serge	1550	}
		1551
4560	Serge	1552	static enum drm_mode_status
		1553	intel_sdvo_mode_valid(struct drm_connector *connector,
2330	Serge	1554	struct drm_display_mode *mode)
		1555	{
		1556	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		1557
		1558	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
		1559	return MODE_NO_DBLESCAN;
		1560
		1561	if (intel_sdvo->pixel_clock_min > mode->clock)
		1562	return MODE_CLOCK_LOW;
		1563
		1564	if (intel_sdvo->pixel_clock_max < mode->clock)
		1565	return MODE_CLOCK_HIGH;
		1566
		1567	if (intel_sdvo->is_lvds) {
		1568	if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
		1569	return MODE_PANEL;
		1570
		1571	if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
		1572	return MODE_PANEL;
		1573	}
		1574
		1575	return MODE_OK;
		1576	}
		1577
		1578	static bool intel_sdvo_get_capabilities(struct intel_sdvo intel_sdvo, struct intel_sdvo_caps caps)
		1579	{
		1580	BUILD_BUG_ON(sizeof(*caps) != 8);
		1581	if (!intel_sdvo_get_value(intel_sdvo,
		1582	SDVO_CMD_GET_DEVICE_CAPS,
		1583	caps, sizeof(*caps)))
		1584	return false;
		1585
		1586	DRM_DEBUG_KMS("SDVO capabilities:\n"
		1587	" vendor_id: %d\n"
		1588	" device_id: %d\n"
		1589	" device_rev_id: %d\n"
		1590	" sdvo_version_major: %d\n"
		1591	" sdvo_version_minor: %d\n"
		1592	" sdvo_inputs_mask: %d\n"
		1593	" smooth_scaling: %d\n"
		1594	" sharp_scaling: %d\n"
		1595	" up_scaling: %d\n"
		1596	" down_scaling: %d\n"
		1597	" stall_support: %d\n"
		1598	" output_flags: %d\n",
		1599	caps->vendor_id,
		1600	caps->device_id,
		1601	caps->device_rev_id,
		1602	caps->sdvo_version_major,
		1603	caps->sdvo_version_minor,
		1604	caps->sdvo_inputs_mask,
		1605	caps->smooth_scaling,
		1606	caps->sharp_scaling,
		1607	caps->up_scaling,
		1608	caps->down_scaling,
		1609	caps->stall_support,
		1610	caps->output_flags);
		1611
		1612	return true;
		1613	}
		1614
3031	serge	1615	static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
2330	Serge	1616	{
3031	serge	1617	struct drm_device *dev = intel_sdvo->base.base.dev;
		1618	uint16_t hotplug;
2330	Serge	1619
3031	serge	1620	/* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
		1621	* on the line. */
		1622	if (IS_I945G(dev) \|\| IS_I945GM(dev))
		1623	return 0;
		1624
		1625	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
		1626	&hotplug, sizeof(hotplug)))
		1627	return 0;
		1628
		1629	return hotplug;
2330	Serge	1630	}
		1631
2342	Serge	1632	static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
2330	Serge	1633	{
4104	Serge	1634	struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
2330	Serge	1635
3031	serge	1636	intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
		1637	&intel_sdvo->hotplug_active, 2);
2330	Serge	1638	}
		1639
		1640	static bool
		1641	intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
		1642	{
		1643	/* Is there more than one type of output? */
2342	Serge	1644	return hweight16(intel_sdvo->caps.output_flags) > 1;
2330	Serge	1645	}
		1646
		1647	static struct edid *
		1648	intel_sdvo_get_edid(struct drm_connector *connector)
		1649	{
		1650	struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
		1651	return drm_get_edid(connector, &sdvo->ddc);
		1652	}
		1653
		1654	/* Mac mini hack -- use the same DDC as the analog connector */
		1655	static struct edid *
		1656	intel_sdvo_get_analog_edid(struct drm_connector *connector)
		1657	{
		1658	struct drm_i915_private *dev_priv = connector->dev->dev_private;
		1659
		1660	return drm_get_edid(connector,
3031	serge	1661	intel_gmbus_get_adapter(dev_priv,
4104	Serge	1662	dev_priv->vbt.crt_ddc_pin));
2330	Serge	1663	}
		1664
3031	serge	1665	static enum drm_connector_status
2342	Serge	1666	intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
2330	Serge	1667	{
		1668	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		1669	enum drm_connector_status status;
		1670	struct edid *edid;
		1671
		1672	edid = intel_sdvo_get_edid(connector);
		1673
		1674	if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
		1675	u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
		1676
		1677	/*
		1678	* Don't use the 1 as the argument of DDC bus switch to get
		1679	* the EDID. It is used for SDVO SPD ROM.
		1680	*/
		1681	for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
		1682	intel_sdvo->ddc_bus = ddc;
		1683	edid = intel_sdvo_get_edid(connector);
		1684	if (edid)
		1685	break;
		1686	}
		1687	/*
		1688	* If we found the EDID on the other bus,
		1689	* assume that is the correct DDC bus.
		1690	*/
		1691	if (edid == NULL)
		1692	intel_sdvo->ddc_bus = saved_ddc;
		1693	}
		1694
		1695	/*
		1696	* When there is no edid and no monitor is connected with VGA
		1697	* port, try to use the CRT ddc to read the EDID for DVI-connector.
		1698	*/
		1699	if (edid == NULL)
		1700	edid = intel_sdvo_get_analog_edid(connector);
		1701
		1702	status = connector_status_unknown;
		1703	if (edid != NULL) {
		1704	/* DDC bus is shared, match EDID to connector type */
		1705	if (edid->input & DRM_EDID_INPUT_DIGITAL) {
		1706	status = connector_status_connected;
		1707	if (intel_sdvo->is_hdmi) {
		1708	intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
		1709	intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
3480	Serge	1710	intel_sdvo->rgb_quant_range_selectable =
		1711	drm_rgb_quant_range_selectable(edid);
2330	Serge	1712	}
		1713	} else
		1714	status = connector_status_disconnected;
		1715	kfree(edid);
		1716	}
		1717
		1718	if (status == connector_status_connected) {
		1719	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
3031	serge	1720	if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
		1721	intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
2330	Serge	1722	}
		1723
		1724	return status;
		1725	}
		1726
2342	Serge	1727	static bool
		1728	intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
		1729	struct edid *edid)
		1730	{
		1731	bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
		1732	bool connector_is_digital = !!IS_DIGITAL(sdvo);
		1733
		1734	DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
		1735	connector_is_digital, monitor_is_digital);
		1736	return connector_is_digital == monitor_is_digital;
		1737	}
		1738
2330	Serge	1739	static enum drm_connector_status
		1740	intel_sdvo_detect(struct drm_connector *connector, bool force)
		1741	{
		1742	uint16_t response;
		1743	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		1744	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
		1745	enum drm_connector_status ret;
		1746
4104	Serge	1747	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
5060	serge	1748	connector->base.id, connector->name);
4104	Serge	1749
3243	Serge	1750	if (!intel_sdvo_get_value(intel_sdvo,
		1751	SDVO_CMD_GET_ATTACHED_DISPLAYS,
		1752	&response, 2))
2330	Serge	1753	return connector_status_unknown;
		1754
		1755	DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
		1756	response & 0xff, response >> 8,
		1757	intel_sdvo_connector->output_flag);
		1758
		1759	if (response == 0)
		1760	return connector_status_disconnected;
		1761
		1762	intel_sdvo->attached_output = response;
		1763
		1764	intel_sdvo->has_hdmi_monitor = false;
		1765	intel_sdvo->has_hdmi_audio = false;
3480	Serge	1766	intel_sdvo->rgb_quant_range_selectable = false;
2330	Serge	1767
		1768	if ((intel_sdvo_connector->output_flag & response) == 0)
		1769	ret = connector_status_disconnected;
		1770	else if (IS_TMDS(intel_sdvo_connector))
2342	Serge	1771	ret = intel_sdvo_tmds_sink_detect(connector);
2330	Serge	1772	else {
		1773	struct edid *edid;
		1774
		1775	/* if we have an edid check it matches the connection */
		1776	edid = intel_sdvo_get_edid(connector);
		1777	if (edid == NULL)
		1778	edid = intel_sdvo_get_analog_edid(connector);
		1779	if (edid != NULL) {
2342	Serge	1780	if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
		1781	edid))
		1782	ret = connector_status_connected;
		1783	else
2330	Serge	1784	ret = connector_status_disconnected;
2342	Serge	1785
2330	Serge	1786	kfree(edid);
		1787	} else
		1788	ret = connector_status_connected;
		1789	}
		1790
		1791	/* May update encoder flag for like clock for SDVO TV, etc.*/
		1792	if (ret == connector_status_connected) {
		1793	intel_sdvo->is_tv = false;
		1794	intel_sdvo->is_lvds = false;
		1795
4104	Serge	1796	if (response & SDVO_TV_MASK)
2330	Serge	1797	intel_sdvo->is_tv = true;
		1798	if (response & SDVO_LVDS_MASK)
		1799	intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
		1800	}
		1801
		1802	return ret;
		1803	}
		1804
		1805	static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
		1806	{
		1807	struct edid *edid;
		1808
4560	Serge	1809	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
5060	serge	1810	connector->base.id, connector->name);
4560	Serge	1811
2330	Serge	1812	/* set the bus switch and get the modes */
		1813	edid = intel_sdvo_get_edid(connector);
		1814
		1815	/*
		1816	* Mac mini hack. On this device, the DVI-I connector shares one DDC
		1817	* link between analog and digital outputs. So, if the regular SDVO
		1818	* DDC fails, check to see if the analog output is disconnected, in
		1819	* which case we'll look there for the digital DDC data.
		1820	*/
		1821	if (edid == NULL)
		1822	edid = intel_sdvo_get_analog_edid(connector);
		1823
		1824	if (edid != NULL) {
2342	Serge	1825	if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
		1826	edid)) {
2330	Serge	1827	drm_mode_connector_update_edid_property(connector, edid);
		1828	drm_add_edid_modes(connector, edid);
		1829	}
		1830
		1831	kfree(edid);
		1832	}
		1833	}
		1834
		1835	/*
		1836	* Set of SDVO TV modes.
		1837	* Note! This is in reply order (see loop in get_tv_modes).
		1838	* XXX: all 60Hz refresh?
		1839	*/
		1840	static const struct drm_display_mode sdvo_tv_modes[] = {
		1841	{ DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
		1842	416, 0, 200, 201, 232, 233, 0,
		1843	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1844	{ DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
		1845	416, 0, 240, 241, 272, 273, 0,
		1846	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1847	{ DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
		1848	496, 0, 300, 301, 332, 333, 0,
		1849	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1850	{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
		1851	736, 0, 350, 351, 382, 383, 0,
		1852	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1853	{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
		1854	736, 0, 400, 401, 432, 433, 0,
		1855	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1856	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
		1857	736, 0, 480, 481, 512, 513, 0,
		1858	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1859	{ DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
		1860	800, 0, 480, 481, 512, 513, 0,
		1861	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1862	{ DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
		1863	800, 0, 576, 577, 608, 609, 0,
		1864	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1865	{ DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
		1866	816, 0, 350, 351, 382, 383, 0,
		1867	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1868	{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
		1869	816, 0, 400, 401, 432, 433, 0,
		1870	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1871	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
		1872	816, 0, 480, 481, 512, 513, 0,
		1873	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1874	{ DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
		1875	816, 0, 540, 541, 572, 573, 0,
		1876	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1877	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
		1878	816, 0, 576, 577, 608, 609, 0,
		1879	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1880	{ DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
		1881	864, 0, 576, 577, 608, 609, 0,
		1882	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1883	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
		1884	896, 0, 600, 601, 632, 633, 0,
		1885	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1886	{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
		1887	928, 0, 624, 625, 656, 657, 0,
		1888	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1889	{ DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
		1890	1016, 0, 766, 767, 798, 799, 0,
		1891	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1892	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
		1893	1120, 0, 768, 769, 800, 801, 0,
		1894	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1895	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
		1896	1376, 0, 1024, 1025, 1056, 1057, 0,
		1897	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1898	};
		1899
		1900	static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
		1901	{
		1902	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		1903	struct intel_sdvo_sdtv_resolution_request tv_res;
		1904	uint32_t reply = 0, format_map = 0;
		1905	int i;
		1906
4560	Serge	1907	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
5060	serge	1908	connector->base.id, connector->name);
4560	Serge	1909
2330	Serge	1910	/* Read the list of supported input resolutions for the selected TV
		1911	* format.
		1912	*/
		1913	format_map = 1 << intel_sdvo->tv_format_index;
		1914	memcpy(&tv_res, &format_map,
		1915	min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
		1916
		1917	if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
		1918	return;
		1919
		1920	BUILD_BUG_ON(sizeof(tv_res) != 3);
		1921	if (!intel_sdvo_write_cmd(intel_sdvo,
		1922	SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
		1923	&tv_res, sizeof(tv_res)))
		1924	return;
		1925	if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
		1926	return;
		1927
		1928	for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
		1929	if (reply & (1 << i)) {
		1930	struct drm_display_mode *nmode;
		1931	nmode = drm_mode_duplicate(connector->dev,
		1932	&sdvo_tv_modes[i]);
		1933	if (nmode)
		1934	drm_mode_probed_add(connector, nmode);
		1935	}
		1936	}
		1937
		1938	static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
		1939	{
		1940	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		1941	struct drm_i915_private *dev_priv = connector->dev->dev_private;
		1942	struct drm_display_mode *newmode;
		1943
4560	Serge	1944	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
5060	serge	1945	connector->base.id, connector->name);
4560	Serge	1946
2330	Serge	1947	/*
3746	Serge	1948	* Fetch modes from VBT. For SDVO prefer the VBT mode since some
4104	Serge	1949	* SDVO->LVDS transcoders can't cope with the EDID mode.
3746	Serge	1950	*/
4104	Serge	1951	if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) {
2330	Serge	1952	newmode = drm_mode_duplicate(connector->dev,
4104	Serge	1953	dev_priv->vbt.sdvo_lvds_vbt_mode);
2330	Serge	1954	if (newmode != NULL) {
		1955	/* Guarantee the mode is preferred */
		1956	newmode->type = (DRM_MODE_TYPE_PREFERRED \|
		1957	DRM_MODE_TYPE_DRIVER);
		1958	drm_mode_probed_add(connector, newmode);
		1959	}
		1960	}
		1961
4104	Serge	1962	/*
		1963	* Attempt to get the mode list from DDC.
		1964	* Assume that the preferred modes are
		1965	* arranged in priority order.
		1966	*/
		1967	intel_ddc_get_modes(connector, &intel_sdvo->ddc);
		1968
2330	Serge	1969	list_for_each_entry(newmode, &connector->probed_modes, head) {
		1970	if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
		1971	intel_sdvo->sdvo_lvds_fixed_mode =
		1972	drm_mode_duplicate(connector->dev, newmode);
		1973
		1974	intel_sdvo->is_lvds = true;
		1975	break;
		1976	}
		1977	}
		1978	}
		1979
		1980	static int intel_sdvo_get_modes(struct drm_connector *connector)
		1981	{
		1982	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
		1983
		1984	if (IS_TV(intel_sdvo_connector))
		1985	intel_sdvo_get_tv_modes(connector);
		1986	else if (IS_LVDS(intel_sdvo_connector))
		1987	intel_sdvo_get_lvds_modes(connector);
		1988	else
		1989	intel_sdvo_get_ddc_modes(connector);
		1990
		1991	return !list_empty(&connector->probed_modes);
		1992	}
		1993
		1994	static void intel_sdvo_destroy(struct drm_connector *connector)
		1995	{
		1996	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
		1997
		1998	drm_connector_cleanup(connector);
3243	Serge	1999	kfree(intel_sdvo_connector);
2330	Serge	2000	}
		2001
3031	serge	2002	static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
		2003	{
		2004	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		2005	struct edid *edid;
		2006	bool has_audio = false;
2330	Serge	2007
3031	serge	2008	if (!intel_sdvo->is_hdmi)
		2009	return false;
2330	Serge	2010
3031	serge	2011	edid = intel_sdvo_get_edid(connector);
		2012	if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
		2013	has_audio = drm_detect_monitor_audio(edid);
		2014	kfree(edid);
2330	Serge	2015
3031	serge	2016	return has_audio;
		2017	}
2330	Serge	2018
		2019	static int
		2020	intel_sdvo_set_property(struct drm_connector *connector,
		2021	struct drm_property *property,
		2022	uint64_t val)
		2023	{
		2024	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
		2025	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
		2026	struct drm_i915_private *dev_priv = connector->dev->dev_private;
		2027	uint16_t temp_value;
		2028	uint8_t cmd;
		2029	int ret;
		2030
3243	Serge	2031	ret = drm_object_property_set_value(&connector->base, property, val);
2330	Serge	2032	if (ret)
		2033	return ret;
		2034
		2035	if (property == dev_priv->force_audio_property) {
		2036	int i = val;
		2037	bool has_audio;
		2038
		2039	if (i == intel_sdvo_connector->force_audio)
		2040	return 0;
		2041
		2042	intel_sdvo_connector->force_audio = i;
		2043
3031	serge	2044	if (i == HDMI_AUDIO_AUTO)
2330	Serge	2045	has_audio = intel_sdvo_detect_hdmi_audio(connector);
		2046	else
3031	serge	2047	has_audio = (i == HDMI_AUDIO_ON);
2330	Serge	2048
		2049	if (has_audio == intel_sdvo->has_hdmi_audio)
		2050	return 0;
		2051
		2052	intel_sdvo->has_hdmi_audio = has_audio;
		2053	goto done;
		2054	}
		2055
		2056	if (property == dev_priv->broadcast_rgb_property) {
3746	Serge	2057	bool old_auto = intel_sdvo->color_range_auto;
		2058	uint32_t old_range = intel_sdvo->color_range;
		2059
3480	Serge	2060	switch (val) {
		2061	case INTEL_BROADCAST_RGB_AUTO:
		2062	intel_sdvo->color_range_auto = true;
		2063	break;
		2064	case INTEL_BROADCAST_RGB_FULL:
		2065	intel_sdvo->color_range_auto = false;
		2066	intel_sdvo->color_range = 0;
		2067	break;
		2068	case INTEL_BROADCAST_RGB_LIMITED:
		2069	intel_sdvo->color_range_auto = false;
3746	Serge	2070	/* FIXME: this bit is only valid when using TMDS
		2071	* encoding and 8 bit per color mode. */
		2072	intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235;
3480	Serge	2073	break;
		2074	default:
		2075	return -EINVAL;
		2076	}
3746	Serge	2077
		2078	if (old_auto == intel_sdvo->color_range_auto &&
		2079	old_range == intel_sdvo->color_range)
		2080	return 0;
		2081
2330	Serge	2082	goto done;
		2083	}
		2084
		2085	#define CHECK_PROPERTY(name, NAME) \
		2086	if (intel_sdvo_connector->name == property) { \
		2087	if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
		2088	if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
		2089	cmd = SDVO_CMD_SET_##NAME; \
		2090	intel_sdvo_connector->cur_##name = temp_value; \
		2091	goto set_value; \
		2092	}
		2093
		2094	if (property == intel_sdvo_connector->tv_format) {
		2095	if (val >= TV_FORMAT_NUM)
		2096	return -EINVAL;
		2097
		2098	if (intel_sdvo->tv_format_index ==
		2099	intel_sdvo_connector->tv_format_supported[val])
		2100	return 0;
		2101
		2102	intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
		2103	goto done;
		2104	} else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
		2105	temp_value = val;
		2106	if (intel_sdvo_connector->left == property) {
3243	Serge	2107	drm_object_property_set_value(&connector->base,
2330	Serge	2108	intel_sdvo_connector->right, val);
		2109	if (intel_sdvo_connector->left_margin == temp_value)
		2110	return 0;
		2111
		2112	intel_sdvo_connector->left_margin = temp_value;
		2113	intel_sdvo_connector->right_margin = temp_value;
		2114	temp_value = intel_sdvo_connector->max_hscan -
		2115	intel_sdvo_connector->left_margin;
		2116	cmd = SDVO_CMD_SET_OVERSCAN_H;
		2117	goto set_value;
		2118	} else if (intel_sdvo_connector->right == property) {
3243	Serge	2119	drm_object_property_set_value(&connector->base,
2330	Serge	2120	intel_sdvo_connector->left, val);
		2121	if (intel_sdvo_connector->right_margin == temp_value)
		2122	return 0;
		2123
		2124	intel_sdvo_connector->left_margin = temp_value;
		2125	intel_sdvo_connector->right_margin = temp_value;
		2126	temp_value = intel_sdvo_connector->max_hscan -
		2127	intel_sdvo_connector->left_margin;
		2128	cmd = SDVO_CMD_SET_OVERSCAN_H;
		2129	goto set_value;
		2130	} else if (intel_sdvo_connector->top == property) {
3243	Serge	2131	drm_object_property_set_value(&connector->base,
2330	Serge	2132	intel_sdvo_connector->bottom, val);
		2133	if (intel_sdvo_connector->top_margin == temp_value)
		2134	return 0;
		2135
		2136	intel_sdvo_connector->top_margin = temp_value;
		2137	intel_sdvo_connector->bottom_margin = temp_value;
		2138	temp_value = intel_sdvo_connector->max_vscan -
		2139	intel_sdvo_connector->top_margin;
		2140	cmd = SDVO_CMD_SET_OVERSCAN_V;
		2141	goto set_value;
		2142	} else if (intel_sdvo_connector->bottom == property) {
3243	Serge	2143	drm_object_property_set_value(&connector->base,
2330	Serge	2144	intel_sdvo_connector->top, val);
		2145	if (intel_sdvo_connector->bottom_margin == temp_value)
		2146	return 0;
		2147
		2148	intel_sdvo_connector->top_margin = temp_value;
		2149	intel_sdvo_connector->bottom_margin = temp_value;
		2150	temp_value = intel_sdvo_connector->max_vscan -
		2151	intel_sdvo_connector->top_margin;
		2152	cmd = SDVO_CMD_SET_OVERSCAN_V;
		2153	goto set_value;
		2154	}
		2155	CHECK_PROPERTY(hpos, HPOS)
		2156	CHECK_PROPERTY(vpos, VPOS)
		2157	CHECK_PROPERTY(saturation, SATURATION)
		2158	CHECK_PROPERTY(contrast, CONTRAST)
		2159	CHECK_PROPERTY(hue, HUE)
		2160	CHECK_PROPERTY(brightness, BRIGHTNESS)
		2161	CHECK_PROPERTY(sharpness, SHARPNESS)
		2162	CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
		2163	CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
		2164	CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
		2165	CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
		2166	CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
		2167	CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
		2168	}
		2169
		2170	return -EINVAL; /* unknown property */
		2171
		2172	set_value:
		2173	if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
		2174	return -EIO;
		2175
		2176
		2177	done:
3480	Serge	2178	if (intel_sdvo->base.base.crtc)
		2179	intel_crtc_restore_mode(intel_sdvo->base.base.crtc);
2330	Serge	2180
		2181	return 0;
		2182	#undef CHECK_PROPERTY
		2183	}
		2184
		2185	static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
3031	serge	2186	.dpms = intel_sdvo_dpms,
2330	Serge	2187	.detect = intel_sdvo_detect,
		2188	.fill_modes = drm_helper_probe_single_connector_modes,
		2189	.set_property = intel_sdvo_set_property,
		2190	.destroy = intel_sdvo_destroy,
		2191	};
		2192
		2193	static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
		2194	.get_modes = intel_sdvo_get_modes,
		2195	.mode_valid = intel_sdvo_mode_valid,
		2196	.best_encoder = intel_best_encoder,
		2197	};
		2198
		2199	static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
		2200	{
4104	Serge	2201	struct intel_sdvo *intel_sdvo = to_sdvo(to_intel_encoder(encoder));
2330	Serge	2202
		2203	if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
		2204	drm_mode_destroy(encoder->dev,
		2205	intel_sdvo->sdvo_lvds_fixed_mode);
		2206
3243	Serge	2207	i2c_del_adapter(&intel_sdvo->ddc);
2330	Serge	2208	intel_encoder_destroy(encoder);
		2209	}
		2210
		2211	static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
		2212	.destroy = intel_sdvo_enc_destroy,
		2213	};
		2214
		2215	static void
		2216	intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
		2217	{
		2218	uint16_t mask = 0;
		2219	unsigned int num_bits;
		2220
		2221	/* Make a mask of outputs less than or equal to our own priority in the
		2222	* list.
		2223	*/
		2224	switch (sdvo->controlled_output) {
		2225	case SDVO_OUTPUT_LVDS1:
		2226	mask \|= SDVO_OUTPUT_LVDS1;
		2227	case SDVO_OUTPUT_LVDS0:
		2228	mask \|= SDVO_OUTPUT_LVDS0;
		2229	case SDVO_OUTPUT_TMDS1:
		2230	mask \|= SDVO_OUTPUT_TMDS1;
		2231	case SDVO_OUTPUT_TMDS0:
		2232	mask \|= SDVO_OUTPUT_TMDS0;
		2233	case SDVO_OUTPUT_RGB1:
		2234	mask \|= SDVO_OUTPUT_RGB1;
		2235	case SDVO_OUTPUT_RGB0:
		2236	mask \|= SDVO_OUTPUT_RGB0;
		2237	break;
		2238	}
		2239
		2240	/* Count bits to find what number we are in the priority list. */
		2241	mask &= sdvo->caps.output_flags;
		2242	num_bits = hweight16(mask);
		2243	/* If more than 3 outputs, default to DDC bus 3 for now. */
		2244	if (num_bits > 3)
		2245	num_bits = 3;
		2246
		2247	/* Corresponds to SDVO_CONTROL_BUS_DDCx */
		2248	sdvo->ddc_bus = 1 << num_bits;
		2249	}
		2250
		2251	/**
		2252	* Choose the appropriate DDC bus for control bus switch command for this
		2253	* SDVO output based on the controlled output.
		2254	*
		2255	* DDC bus number assignment is in a priority order of RGB outputs, then TMDS
		2256	* outputs, then LVDS outputs.
		2257	*/
		2258	static void
		2259	intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
		2260	struct intel_sdvo *sdvo, u32 reg)
		2261	{
		2262	struct sdvo_device_mapping *mapping;
		2263
3031	serge	2264	if (sdvo->is_sdvob)
2330	Serge	2265	mapping = &(dev_priv->sdvo_mappings[0]);
		2266	else
		2267	mapping = &(dev_priv->sdvo_mappings[1]);
		2268
		2269	if (mapping->initialized)
		2270	sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
		2271	else
		2272	intel_sdvo_guess_ddc_bus(sdvo);
		2273	}
		2274
		2275	static void
		2276	intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
		2277	struct intel_sdvo *sdvo, u32 reg)
		2278	{
		2279	struct sdvo_device_mapping *mapping;
2342	Serge	2280	u8 pin;
2330	Serge	2281
3031	serge	2282	if (sdvo->is_sdvob)
2330	Serge	2283	mapping = &dev_priv->sdvo_mappings[0];
		2284	else
		2285	mapping = &dev_priv->sdvo_mappings[1];
		2286
3243	Serge	2287	if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
		2288	pin = mapping->i2c_pin;
		2289	else
2330	Serge	2290	pin = GMBUS_PORT_DPB;
		2291
3031	serge	2292	sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
3243	Serge	2293
		2294	/* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
		2295	* our code totally fails once we start using gmbus. Hence fall back to
		2296	* bit banging for now. */
2330	Serge	2297	intel_gmbus_force_bit(sdvo->i2c, true);
		2298	}
		2299
3243	Serge	2300	/* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
		2301	static void
		2302	intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
		2303	{
		2304	intel_gmbus_force_bit(sdvo->i2c, false);
		2305	}
		2306
2330	Serge	2307	static bool
		2308	intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
		2309	{
		2310	return intel_sdvo_check_supp_encode(intel_sdvo);
		2311	}
		2312
		2313	static u8
3031	serge	2314	intel_sdvo_get_slave_addr(struct drm_device dev, struct intel_sdvo sdvo)
2330	Serge	2315	{
		2316	struct drm_i915_private *dev_priv = dev->dev_private;
		2317	struct sdvo_device_mapping my_mapping, other_mapping;
		2318
3031	serge	2319	if (sdvo->is_sdvob) {
2330	Serge	2320	my_mapping = &dev_priv->sdvo_mappings[0];
		2321	other_mapping = &dev_priv->sdvo_mappings[1];
		2322	} else {
		2323	my_mapping = &dev_priv->sdvo_mappings[1];
		2324	other_mapping = &dev_priv->sdvo_mappings[0];
		2325	}
		2326
		2327	/* If the BIOS described our SDVO device, take advantage of it. */
		2328	if (my_mapping->slave_addr)
		2329	return my_mapping->slave_addr;
		2330
		2331	/* If the BIOS only described a different SDVO device, use the
		2332	* address that it isn't using.
		2333	*/
		2334	if (other_mapping->slave_addr) {
		2335	if (other_mapping->slave_addr == 0x70)
		2336	return 0x72;
		2337	else
		2338	return 0x70;
		2339	}
		2340
		2341	/* No SDVO device info is found for another DVO port,
		2342	* so use mapping assumption we had before BIOS parsing.
		2343	*/
3031	serge	2344	if (sdvo->is_sdvob)
2330	Serge	2345	return 0x70;
		2346	else
		2347	return 0x72;
		2348	}
		2349
		2350	static void
5060	serge	2351	intel_sdvo_connector_unregister(struct intel_connector *intel_connector)
		2352	{
		2353	struct drm_connector *drm_connector;
		2354	struct intel_sdvo *sdvo_encoder;
		2355
		2356	drm_connector = &intel_connector->base;
		2357	sdvo_encoder = intel_attached_sdvo(&intel_connector->base);
		2358
		2359	intel_connector_unregister(intel_connector);
		2360	}
		2361
		2362	static int
2330	Serge	2363	intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
		2364	struct intel_sdvo *encoder)
		2365	{
5060	serge	2366	struct drm_connector *drm_connector;
		2367	int ret;
		2368
		2369	drm_connector = &connector->base.base;
		2370	ret = drm_connector_init(encoder->base.base.dev,
		2371	drm_connector,
2330	Serge	2372	&intel_sdvo_connector_funcs,
		2373	connector->base.base.connector_type);
5060	serge	2374	if (ret < 0)
		2375	return ret;
2330	Serge	2376
5060	serge	2377	drm_connector_helper_add(drm_connector,
2330	Serge	2378	&intel_sdvo_connector_helper_funcs);
		2379
3031	serge	2380	connector->base.base.interlace_allowed = 1;
2330	Serge	2381	connector->base.base.doublescan_allowed = 0;
		2382	connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
3031	serge	2383	connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
5060	serge	2384	connector->base.unregister = intel_sdvo_connector_unregister;
2330	Serge	2385
		2386	intel_connector_attach_encoder(&connector->base, &encoder->base);
5060	serge	2387
		2388	return ret;
2330	Serge	2389	}
		2390
		2391	static void
3480	Serge	2392	intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo,
		2393	struct intel_sdvo_connector *connector)
2330	Serge	2394	{
		2395	struct drm_device *dev = connector->base.base.dev;
		2396
		2397	intel_attach_force_audio_property(&connector->base.base);
3480	Serge	2398	if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev)) {
2330	Serge	2399	intel_attach_broadcast_rgb_property(&connector->base.base);
3480	Serge	2400	intel_sdvo->color_range_auto = true;
		2401	}
2330	Serge	2402	}
		2403
		2404	static bool
		2405	intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
		2406	{
		2407	struct drm_encoder *encoder = &intel_sdvo->base.base;
		2408	struct drm_connector *connector;
2342	Serge	2409	struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2330	Serge	2410	struct intel_connector *intel_connector;
		2411	struct intel_sdvo_connector *intel_sdvo_connector;
		2412
4560	Serge	2413	DRM_DEBUG_KMS("initialising DVI device %d\n", device);
		2414
		2415	intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2330	Serge	2416	if (!intel_sdvo_connector)
		2417	return false;
		2418
		2419	if (device == 0) {
		2420	intel_sdvo->controlled_output \|= SDVO_OUTPUT_TMDS0;
		2421	intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
		2422	} else if (device == 1) {
		2423	intel_sdvo->controlled_output \|= SDVO_OUTPUT_TMDS1;
		2424	intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
		2425	}
		2426
		2427	intel_connector = &intel_sdvo_connector->base;
		2428	connector = &intel_connector->base;
3031	serge	2429	if (intel_sdvo_get_hotplug_support(intel_sdvo) &
		2430	intel_sdvo_connector->output_flag) {
		2431	intel_sdvo->hotplug_active \|= intel_sdvo_connector->output_flag;
2342	Serge	2432	/* Some SDVO devices have one-shot hotplug interrupts.
		2433	* Ensure that they get re-enabled when an interrupt happens.
		2434	*/
		2435	intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
		2436	intel_sdvo_enable_hotplug(intel_encoder);
3031	serge	2437	} else {
3746	Serge	2438	intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT \| DRM_CONNECTOR_POLL_DISCONNECT;
2342	Serge	2439	}
2330	Serge	2440	encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
		2441	connector->connector_type = DRM_MODE_CONNECTOR_DVID;
		2442
		2443	if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
		2444	connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
		2445	intel_sdvo->is_hdmi = true;
		2446	}
		2447
5060	serge	2448	if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
		2449	kfree(intel_sdvo_connector);
		2450	return false;
		2451	}
		2452
2330	Serge	2453	if (intel_sdvo->is_hdmi)
3480	Serge	2454	intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
2330	Serge	2455
		2456	return true;
		2457	}
		2458
		2459	static bool
		2460	intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
		2461	{
		2462	struct drm_encoder *encoder = &intel_sdvo->base.base;
		2463	struct drm_connector *connector;
		2464	struct intel_connector *intel_connector;
		2465	struct intel_sdvo_connector *intel_sdvo_connector;
		2466
4560	Serge	2467	DRM_DEBUG_KMS("initialising TV type %d\n", type);
		2468
		2469	intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2330	Serge	2470	if (!intel_sdvo_connector)
		2471	return false;
		2472
		2473	intel_connector = &intel_sdvo_connector->base;
		2474	connector = &intel_connector->base;
		2475	encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
		2476	connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
		2477
		2478	intel_sdvo->controlled_output \|= type;
		2479	intel_sdvo_connector->output_flag = type;
		2480
		2481	intel_sdvo->is_tv = true;
		2482
5060	serge	2483	if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
		2484	kfree(intel_sdvo_connector);
		2485	return false;
		2486	}
2330	Serge	2487
		2488	if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
		2489	goto err;
		2490
		2491	if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
		2492	goto err;
		2493
		2494	return true;
		2495
		2496	err:
5060	serge	2497	drm_connector_unregister(connector);
2330	Serge	2498	intel_sdvo_destroy(connector);
		2499	return false;
		2500	}
		2501
		2502	static bool
		2503	intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
		2504	{
		2505	struct drm_encoder *encoder = &intel_sdvo->base.base;
		2506	struct drm_connector *connector;
		2507	struct intel_connector *intel_connector;
		2508	struct intel_sdvo_connector *intel_sdvo_connector;
		2509
4560	Serge	2510	DRM_DEBUG_KMS("initialising analog device %d\n", device);
		2511
		2512	intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2330	Serge	2513	if (!intel_sdvo_connector)
		2514	return false;
		2515
		2516	intel_connector = &intel_sdvo_connector->base;
		2517	connector = &intel_connector->base;
3746	Serge	2518	intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2330	Serge	2519	encoder->encoder_type = DRM_MODE_ENCODER_DAC;
		2520	connector->connector_type = DRM_MODE_CONNECTOR_VGA;
		2521
		2522	if (device == 0) {
		2523	intel_sdvo->controlled_output \|= SDVO_OUTPUT_RGB0;
		2524	intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
		2525	} else if (device == 1) {
		2526	intel_sdvo->controlled_output \|= SDVO_OUTPUT_RGB1;
		2527	intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
		2528	}
		2529
5060	serge	2530	if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
		2531	kfree(intel_sdvo_connector);
		2532	return false;
		2533	}
		2534
2330	Serge	2535	return true;
		2536	}
		2537
		2538	static bool
		2539	intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
		2540	{
		2541	struct drm_encoder *encoder = &intel_sdvo->base.base;
		2542	struct drm_connector *connector;
		2543	struct intel_connector *intel_connector;
		2544	struct intel_sdvo_connector *intel_sdvo_connector;
		2545
4560	Serge	2546	DRM_DEBUG_KMS("initialising LVDS device %d\n", device);
		2547
		2548	intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL);
2330	Serge	2549	if (!intel_sdvo_connector)
		2550	return false;
		2551
		2552	intel_connector = &intel_sdvo_connector->base;
		2553	connector = &intel_connector->base;
		2554	encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
		2555	connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
		2556
		2557	if (device == 0) {
		2558	intel_sdvo->controlled_output \|= SDVO_OUTPUT_LVDS0;
		2559	intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
		2560	} else if (device == 1) {
		2561	intel_sdvo->controlled_output \|= SDVO_OUTPUT_LVDS1;
		2562	intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
		2563	}
		2564
5060	serge	2565	if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
		2566	kfree(intel_sdvo_connector);
		2567	return false;
		2568	}
		2569
2330	Serge	2570	if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
		2571	goto err;
		2572
		2573	return true;
		2574
		2575	err:
5060	serge	2576	drm_connector_unregister(connector);
2330	Serge	2577	intel_sdvo_destroy(connector);
		2578	return false;
		2579	}
		2580
		2581	static bool
		2582	intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
		2583	{
		2584	intel_sdvo->is_tv = false;
		2585	intel_sdvo->is_lvds = false;
		2586
		2587	/* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
		2588
		2589	if (flags & SDVO_OUTPUT_TMDS0)
		2590	if (!intel_sdvo_dvi_init(intel_sdvo, 0))
		2591	return false;
		2592
		2593	if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
		2594	if (!intel_sdvo_dvi_init(intel_sdvo, 1))
		2595	return false;
		2596
		2597	/* TV has no XXX1 function block */
		2598	if (flags & SDVO_OUTPUT_SVID0)
		2599	if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
		2600	return false;
		2601
		2602	if (flags & SDVO_OUTPUT_CVBS0)
		2603	if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
		2604	return false;
		2605
3031	serge	2606	if (flags & SDVO_OUTPUT_YPRPB0)
		2607	if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
		2608	return false;
		2609
2330	Serge	2610	if (flags & SDVO_OUTPUT_RGB0)
		2611	if (!intel_sdvo_analog_init(intel_sdvo, 0))
		2612	return false;
		2613
		2614	if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
		2615	if (!intel_sdvo_analog_init(intel_sdvo, 1))
		2616	return false;
		2617
		2618	if (flags & SDVO_OUTPUT_LVDS0)
		2619	if (!intel_sdvo_lvds_init(intel_sdvo, 0))
		2620	return false;
		2621
		2622	if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
		2623	if (!intel_sdvo_lvds_init(intel_sdvo, 1))
		2624	return false;
		2625
		2626	if ((flags & SDVO_OUTPUT_MASK) == 0) {
		2627	unsigned char bytes[2];
		2628
		2629	intel_sdvo->controlled_output = 0;
		2630	memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
		2631	DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
		2632	SDVO_NAME(intel_sdvo),
		2633	bytes[0], bytes[1]);
		2634	return false;
		2635	}
2342	Serge	2636	intel_sdvo->base.crtc_mask = (1 << 0) \| (1 << 1) \| (1 << 2);
2330	Serge	2637
		2638	return true;
		2639	}
		2640
3120	serge	2641	static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
		2642	{
		2643	struct drm_device *dev = intel_sdvo->base.base.dev;
		2644	struct drm_connector connector, tmp;
		2645
		2646	list_for_each_entry_safe(connector, tmp,
		2647	&dev->mode_config.connector_list, head) {
4560	Serge	2648	if (intel_attached_encoder(connector) == &intel_sdvo->base) {
5060	serge	2649	drm_connector_unregister(connector);
3120	serge	2650	intel_sdvo_destroy(connector);
		2651	}
4560	Serge	2652	}
3120	serge	2653	}
		2654
2330	Serge	2655	static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
		2656	struct intel_sdvo_connector *intel_sdvo_connector,
		2657	int type)
		2658	{
		2659	struct drm_device *dev = intel_sdvo->base.base.dev;
		2660	struct intel_sdvo_tv_format format;
		2661	uint32_t format_map, i;
		2662
		2663	if (!intel_sdvo_set_target_output(intel_sdvo, type))
		2664	return false;
		2665
		2666	BUILD_BUG_ON(sizeof(format) != 6);
		2667	if (!intel_sdvo_get_value(intel_sdvo,
		2668	SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
		2669	&format, sizeof(format)))
		2670	return false;
		2671
		2672	memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
		2673
		2674	if (format_map == 0)
		2675	return false;
		2676
		2677	intel_sdvo_connector->format_supported_num = 0;
		2678	for (i = 0 ; i < TV_FORMAT_NUM; i++)
		2679	if (format_map & (1 << i))
		2680	intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
		2681
		2682
		2683	intel_sdvo_connector->tv_format =
		2684	drm_property_create(dev, DRM_MODE_PROP_ENUM,
		2685	"mode", intel_sdvo_connector->format_supported_num);
		2686	if (!intel_sdvo_connector->tv_format)
		2687	return false;
		2688
		2689	for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
		2690	drm_property_add_enum(
		2691	intel_sdvo_connector->tv_format, i,
		2692	i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
		2693
		2694	intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
3243	Serge	2695	drm_object_attach_property(&intel_sdvo_connector->base.base.base,
2330	Serge	2696	intel_sdvo_connector->tv_format, 0);
		2697	return true;
		2698
		2699	}
		2700
		2701	#define ENHANCEMENT(name, NAME) do { \
		2702	if (enhancements.name) { \
		2703	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) \|\| \
		2704	!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
		2705	return false; \
		2706	intel_sdvo_connector->max_##name = data_value[0]; \
		2707	intel_sdvo_connector->cur_##name = response; \
		2708	intel_sdvo_connector->name = \
3031	serge	2709	drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2330	Serge	2710	if (!intel_sdvo_connector->name) return false; \
3243	Serge	2711	drm_object_attach_property(&connector->base, \
2330	Serge	2712	intel_sdvo_connector->name, \
		2713	intel_sdvo_connector->cur_##name); \
		2714	DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
		2715	data_value[0], data_value[1], response); \
		2716	} \
2342	Serge	2717	} while (0)
2330	Serge	2718
		2719	static bool
		2720	intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
		2721	struct intel_sdvo_connector *intel_sdvo_connector,
		2722	struct intel_sdvo_enhancements_reply enhancements)
		2723	{
		2724	struct drm_device *dev = intel_sdvo->base.base.dev;
		2725	struct drm_connector *connector = &intel_sdvo_connector->base.base;
		2726	uint16_t response, data_value[2];
		2727
		2728	/* when horizontal overscan is supported, Add the left/right property */
		2729	if (enhancements.overscan_h) {
		2730	if (!intel_sdvo_get_value(intel_sdvo,
		2731	SDVO_CMD_GET_MAX_OVERSCAN_H,
		2732	&data_value, 4))
		2733	return false;
		2734
		2735	if (!intel_sdvo_get_value(intel_sdvo,
		2736	SDVO_CMD_GET_OVERSCAN_H,
		2737	&response, 2))
		2738	return false;
		2739
		2740	intel_sdvo_connector->max_hscan = data_value[0];
		2741	intel_sdvo_connector->left_margin = data_value[0] - response;
		2742	intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
		2743	intel_sdvo_connector->left =
3031	serge	2744	drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2330	Serge	2745	if (!intel_sdvo_connector->left)
		2746	return false;
		2747
3243	Serge	2748	drm_object_attach_property(&connector->base,
2330	Serge	2749	intel_sdvo_connector->left,
		2750	intel_sdvo_connector->left_margin);
		2751
		2752	intel_sdvo_connector->right =
3031	serge	2753	drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2330	Serge	2754	if (!intel_sdvo_connector->right)
		2755	return false;
		2756
3243	Serge	2757	drm_object_attach_property(&connector->base,
2330	Serge	2758	intel_sdvo_connector->right,
		2759	intel_sdvo_connector->right_margin);
		2760	DRM_DEBUG_KMS("h_overscan: max %d, "
		2761	"default %d, current %d\n",
		2762	data_value[0], data_value[1], response);
		2763	}
		2764
		2765	if (enhancements.overscan_v) {
		2766	if (!intel_sdvo_get_value(intel_sdvo,
		2767	SDVO_CMD_GET_MAX_OVERSCAN_V,
		2768	&data_value, 4))
		2769	return false;
		2770
		2771	if (!intel_sdvo_get_value(intel_sdvo,
		2772	SDVO_CMD_GET_OVERSCAN_V,
		2773	&response, 2))
		2774	return false;
		2775
		2776	intel_sdvo_connector->max_vscan = data_value[0];
		2777	intel_sdvo_connector->top_margin = data_value[0] - response;
		2778	intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
		2779	intel_sdvo_connector->top =
3031	serge	2780	drm_property_create_range(dev, 0,
		2781	"top_margin", 0, data_value[0]);
2330	Serge	2782	if (!intel_sdvo_connector->top)
		2783	return false;
		2784
3243	Serge	2785	drm_object_attach_property(&connector->base,
2330	Serge	2786	intel_sdvo_connector->top,
		2787	intel_sdvo_connector->top_margin);
		2788
		2789	intel_sdvo_connector->bottom =
3031	serge	2790	drm_property_create_range(dev, 0,
		2791	"bottom_margin", 0, data_value[0]);
2330	Serge	2792	if (!intel_sdvo_connector->bottom)
		2793	return false;
		2794
3243	Serge	2795	drm_object_attach_property(&connector->base,
2330	Serge	2796	intel_sdvo_connector->bottom,
		2797	intel_sdvo_connector->bottom_margin);
		2798	DRM_DEBUG_KMS("v_overscan: max %d, "
		2799	"default %d, current %d\n",
		2800	data_value[0], data_value[1], response);
		2801	}
		2802
		2803	ENHANCEMENT(hpos, HPOS);
		2804	ENHANCEMENT(vpos, VPOS);
		2805	ENHANCEMENT(saturation, SATURATION);
		2806	ENHANCEMENT(contrast, CONTRAST);
		2807	ENHANCEMENT(hue, HUE);
		2808	ENHANCEMENT(sharpness, SHARPNESS);
		2809	ENHANCEMENT(brightness, BRIGHTNESS);
		2810	ENHANCEMENT(flicker_filter, FLICKER_FILTER);
		2811	ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
		2812	ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
		2813	ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
		2814	ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
		2815
		2816	if (enhancements.dot_crawl) {
		2817	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
		2818	return false;
		2819
		2820	intel_sdvo_connector->max_dot_crawl = 1;
		2821	intel_sdvo_connector->cur_dot_crawl = response & 0x1;
		2822	intel_sdvo_connector->dot_crawl =
3031	serge	2823	drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2330	Serge	2824	if (!intel_sdvo_connector->dot_crawl)
		2825	return false;
		2826
3243	Serge	2827	drm_object_attach_property(&connector->base,
2330	Serge	2828	intel_sdvo_connector->dot_crawl,
		2829	intel_sdvo_connector->cur_dot_crawl);
		2830	DRM_DEBUG_KMS("dot crawl: current %d\n", response);
		2831	}
		2832
		2833	return true;
		2834	}
		2835
		2836	static bool
		2837	intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
		2838	struct intel_sdvo_connector *intel_sdvo_connector,
		2839	struct intel_sdvo_enhancements_reply enhancements)
		2840	{
		2841	struct drm_device *dev = intel_sdvo->base.base.dev;
		2842	struct drm_connector *connector = &intel_sdvo_connector->base.base;
		2843	uint16_t response, data_value[2];
		2844
		2845	ENHANCEMENT(brightness, BRIGHTNESS);
		2846
		2847	return true;
		2848	}
		2849	#undef ENHANCEMENT
		2850
		2851	static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
		2852	struct intel_sdvo_connector *intel_sdvo_connector)
		2853	{
		2854	union {
		2855	struct intel_sdvo_enhancements_reply reply;
		2856	uint16_t response;
		2857	} enhancements;
		2858
		2859	BUILD_BUG_ON(sizeof(enhancements) != 2);
		2860
		2861	enhancements.response = 0;
		2862	intel_sdvo_get_value(intel_sdvo,
		2863	SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
		2864	&enhancements, sizeof(enhancements));
		2865	if (enhancements.response == 0) {
		2866	DRM_DEBUG_KMS("No enhancement is supported\n");
		2867	return true;
		2868	}
		2869
		2870	if (IS_TV(intel_sdvo_connector))
		2871	return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2342	Serge	2872	else if (IS_LVDS(intel_sdvo_connector))
2330	Serge	2873	return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
		2874	else
		2875	return true;
		2876	}
		2877
		2878	static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
		2879	struct i2c_msg *msgs,
		2880	int num)
		2881	{
		2882	struct intel_sdvo *sdvo = adapter->algo_data;
		2883
		2884	if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
		2885	return -EIO;
		2886
		2887	return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
		2888	}
		2889
		2890	static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
		2891	{
		2892	struct intel_sdvo *sdvo = adapter->algo_data;
		2893	return sdvo->i2c->algo->functionality(sdvo->i2c);
		2894	}
		2895
		2896	static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
		2897	.master_xfer = intel_sdvo_ddc_proxy_xfer,
		2898	.functionality = intel_sdvo_ddc_proxy_func
		2899	};
		2900
		2901	static bool
		2902	intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
		2903	struct drm_device *dev)
		2904	{
3031	serge	2905	sdvo->ddc.owner = THIS_MODULE;
2330	Serge	2906	sdvo->ddc.class = I2C_CLASS_DDC;
		2907	snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
		2908	sdvo->ddc.dev.parent = &dev->pdev->dev;
		2909	sdvo->ddc.algo_data = sdvo;
		2910	sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
		2911
3243	Serge	2912	return i2c_add_adapter(&sdvo->ddc) == 0;
2330	Serge	2913	}
		2914
3031	serge	2915	bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
2330	Serge	2916	{
		2917	struct drm_i915_private *dev_priv = dev->dev_private;
		2918	struct intel_encoder *intel_encoder;
		2919	struct intel_sdvo *intel_sdvo;
		2920	int i;
4560	Serge	2921	intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL);
2330	Serge	2922	if (!intel_sdvo)
		2923	return false;
		2924
		2925	intel_sdvo->sdvo_reg = sdvo_reg;
3031	serge	2926	intel_sdvo->is_sdvob = is_sdvob;
		2927	intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
2330	Serge	2928	intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
3243	Serge	2929	if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
		2930	goto err_i2c_bus;
2330	Serge	2931
		2932	/* encoder type will be decided later */
		2933	intel_encoder = &intel_sdvo->base;
		2934	intel_encoder->type = INTEL_OUTPUT_SDVO;
		2935	drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
		2936
		2937	/* Read the regs to test if we can talk to the device */
		2938	for (i = 0; i < 0x40; i++) {
		2939	u8 byte;
		2940
		2941	if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
3031	serge	2942	DRM_DEBUG_KMS("No SDVO device found on %s\n",
		2943	SDVO_NAME(intel_sdvo));
2330	Serge	2944	goto err;
		2945	}
		2946	}
		2947
3746	Serge	2948	intel_encoder->compute_config = intel_sdvo_compute_config;
3031	serge	2949	intel_encoder->disable = intel_disable_sdvo;
5060	serge	2950	intel_encoder->pre_enable = intel_sdvo_pre_enable;
3031	serge	2951	intel_encoder->enable = intel_enable_sdvo;
		2952	intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
4104	Serge	2953	intel_encoder->get_config = intel_sdvo_get_config;
3031	serge	2954
2330	Serge	2955	/* In default case sdvo lvds is false */
		2956	if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
		2957	goto err;
		2958
		2959	if (intel_sdvo_output_setup(intel_sdvo,
		2960	intel_sdvo->caps.output_flags) != true) {
3031	serge	2961	DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
		2962	SDVO_NAME(intel_sdvo));
3120	serge	2963	/* Output_setup can leave behind connectors! */
		2964	goto err_output;
2330	Serge	2965	}
		2966
3746	Serge	2967	/* Only enable the hotplug irq if we need it, to work around noisy
		2968	* hotplug lines.
		2969	*/
		2970	if (intel_sdvo->hotplug_active) {
		2971	intel_encoder->hpd_pin =
		2972	intel_sdvo->is_sdvob ? HPD_SDVO_B : HPD_SDVO_C;
		2973	}
		2974
3120	serge	2975	/*
		2976	* Cloning SDVO with anything is often impossible, since the SDVO
		2977	* encoder can request a special input timing mode. And even if that's
		2978	* not the case we have evidence that cloning a plain unscaled mode with
		2979	* VGA doesn't really work. Furthermore the cloning flags are way too
		2980	* simplistic anyway to express such constraints, so just give up on
		2981	* cloning for SDVO encoders.
		2982	*/
5060	serge	2983	intel_sdvo->base.cloneable = 0;
3120	serge	2984
2330	Serge	2985	intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
		2986
		2987	/* Set the input timing to the screen. Assume always input 0. */
		2988	if (!intel_sdvo_set_target_input(intel_sdvo))
3120	serge	2989	goto err_output;
2330	Serge	2990
		2991	if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
		2992	&intel_sdvo->pixel_clock_min,
		2993	&intel_sdvo->pixel_clock_max))
3120	serge	2994	goto err_output;
2330	Serge	2995
		2996	DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
		2997	"clock range %dMHz - %dMHz, "
		2998	"input 1: %c, input 2: %c, "
		2999	"output 1: %c, output 2: %c\n",
		3000	SDVO_NAME(intel_sdvo),
		3001	intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
		3002	intel_sdvo->caps.device_rev_id,
		3003	intel_sdvo->pixel_clock_min / 1000,
		3004	intel_sdvo->pixel_clock_max / 1000,
		3005	(intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
		3006	(intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
		3007	/* check currently supported outputs */
		3008	intel_sdvo->caps.output_flags &
		3009	(SDVO_OUTPUT_TMDS0 \| SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
		3010	intel_sdvo->caps.output_flags &
		3011	(SDVO_OUTPUT_TMDS1 \| SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
		3012	return true;
		3013
3120	serge	3014	err_output:
		3015	intel_sdvo_output_cleanup(intel_sdvo);
		3016
2330	Serge	3017	err:
		3018	drm_encoder_cleanup(&intel_encoder->base);
3243	Serge	3019	i2c_del_adapter(&intel_sdvo->ddc);
		3020	err_i2c_bus:
		3021	intel_sdvo_unselect_i2c_bus(intel_sdvo);
2330	Serge	3022	kfree(intel_sdvo);
		3023
		3024	return false;
		3025	}

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/i915/intel_sdvo.c @ 5367 – Rev 5354