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/*

 * Copyright (c) 2006 Dave Airlie 

 * Copyright (c) 2007-2008 Intel Corporation

 *   Jesse Barnes 

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 */

#ifndef __INTEL_DRV_H__

#define __INTEL_DRV_H__

#include 

#include 

#include "i915_drv.h"

#include 

#include 

#include 

#include 

#define KBUILD_MODNAME "i915.dll"

#define cpu_relax()     asm volatile("rep; nop")

/**

 * _wait_for - magic (register) wait macro

 *

 * Does the right thing for modeset paths when run under kdgb or similar atomic

 * contexts. Note that it's important that we check the condition again after

 * having timed out, since the timeout could be due to preemption or similar and

 * we've never had a chance to check the condition before the timeout.

 */

#define _wait_for(COND, MS, W) ({ \

    unsigned long timeout__ = GetTimerTicks() + msecs_to_jiffies(MS);  \

	int ret__ = 0;							\

	while (!(COND)) {						\

        if (time_after(GetTimerTicks(), timeout__)) {          \

			if (!(COND))					\

			ret__ = -ETIMEDOUT;				\

			break;						\

		}							\

		if (W )  {				\

         msleep(W); \

		} else {						\

			cpu_relax();					\

		}							\

	}								\

	ret__;								\

})

#define wait_for_atomic_us(COND, US) ({ \

	unsigned long timeout__ = GetTimerTicks() + usecs_to_jiffies(US);	\

	int ret__ = 0;							\

	while (!(COND)) {						\

		if (time_after(GetTimerTicks(), timeout__)) {			\

			ret__ = -ETIMEDOUT;				\

			break;						\

		}							\

		cpu_relax();						\

	}								\

	ret__;								\

})

#define wait_for(COND, MS) _wait_for(COND, MS, 1)

#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)

#define MSLEEP(x) do { \

	if (in_dbg_master()) \

	       	mdelay(x); \

	else \

		msleep(x); \

} while(0)

#define KHz(x) (1000*x)

#define MHz(x) KHz(1000*x)

/*

 * Display related stuff

 */

/* store information about an Ixxx DVO */

/* The i830->i865 use multiple DVOs with multiple i2cs */

/* the i915, i945 have a single sDVO i2c bus - which is different */

#define MAX_OUTPUTS 6

/* maximum connectors per crtcs in the mode set */

#define INTELFB_CONN_LIMIT 4

#define INTEL_I2C_BUS_DVO 1

#define INTEL_I2C_BUS_SDVO 2

/* these are outputs from the chip - integrated only

   external chips are via DVO or SDVO output */

#define INTEL_OUTPUT_UNUSED 0

#define INTEL_OUTPUT_ANALOG 1

#define INTEL_OUTPUT_DVO 2

#define INTEL_OUTPUT_SDVO 3

#define INTEL_OUTPUT_LVDS 4

#define INTEL_OUTPUT_TVOUT 5

#define INTEL_OUTPUT_HDMI 6

#define INTEL_OUTPUT_DISPLAYPORT 7

#define INTEL_OUTPUT_EDP 8

#define INTEL_OUTPUT_UNKNOWN 9

#define INTEL_DVO_CHIP_NONE 0

#define INTEL_DVO_CHIP_LVDS 1

#define INTEL_DVO_CHIP_TMDS 2

#define INTEL_DVO_CHIP_TVOUT 4

struct intel_framebuffer {

	struct drm_framebuffer base;

	struct drm_i915_gem_object *obj;

};

struct intel_fbdev {

	struct drm_fb_helper helper;

	struct intel_framebuffer ifb;

	struct list_head fbdev_list;

	struct drm_display_mode *our_mode;

};

struct intel_encoder {

	struct drm_encoder base;

	/*

	 * The new crtc this encoder will be driven from. Only differs from

	 * base->crtc while a modeset is in progress.

	 */

	struct intel_crtc *new_crtc;

	int type;

	bool needs_tv_clock;

	/*

	 * Intel hw has only one MUX where encoders could be clone, hence a

	 * simple flag is enough to compute the possible_clones mask.

	 */

	bool cloneable;

	bool connectors_active;

	void (*hot_plug)(struct intel_encoder *);

	bool (*compute_config)(struct intel_encoder *,

			       struct intel_crtc_config *);

	void (*pre_pll_enable)(struct intel_encoder *);

	void (*pre_enable)(struct intel_encoder *);

	void (*enable)(struct intel_encoder *);

	void (*mode_set)(struct intel_encoder *intel_encoder);

	void (*disable)(struct intel_encoder *);

	void (*post_disable)(struct intel_encoder *);

	/* Read out the current hw state of this connector, returning true if

	 * the encoder is active. If the encoder is enabled it also set the pipe

	 * it is connected to in the pipe parameter. */

	bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe);

	int crtc_mask;

	enum hpd_pin hpd_pin;

};

struct intel_panel {

	struct drm_display_mode *fixed_mode;

	int fitting_mode;

};

struct intel_connector {

	struct drm_connector base;

	/*

	 * The fixed encoder this connector is connected to.

	 */

	struct intel_encoder *encoder;

	/*

	 * The new encoder this connector will be driven. Only differs from

	 * encoder while a modeset is in progress.

	 */

	struct intel_encoder *new_encoder;

	/* Reads out the current hw, returning true if the connector is enabled

	 * and active (i.e. dpms ON state). */

	bool (*get_hw_state)(struct intel_connector *);

	/* Panel info for eDP and LVDS */

	struct intel_panel panel;

	/* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */

	struct edid *edid;

	/* since POLL and HPD connectors may use the same HPD line keep the native

	   state of connector->polled in case hotplug storm detection changes it */

	u8 polled;

};

struct intel_crtc_config {

	struct drm_display_mode requested_mode;

	struct drm_display_mode adjusted_mode;

	/* This flag must be set by the encoder's compute_config callback if it

	 * changes the crtc timings in the mode to prevent the crtc fixup from

	 * overwriting them.  Currently only lvds needs that. */

	bool timings_set;

	/* Whether to set up the PCH/FDI. Note that we never allow sharing

	 * between pch encoders and cpu encoders. */

	bool has_pch_encoder;

	/* CPU Transcoder for the pipe. Currently this can only differ from the

	 * pipe on Haswell (where we have a special eDP transcoder). */

	enum transcoder cpu_transcoder;

	/*

	 * Use reduced/limited/broadcast rbg range, compressing from the full

	 * range fed into the crtcs.

	 */

	bool limited_color_range;

	/* DP has a bunch of special case unfortunately, so mark the pipe

	 * accordingly. */

	bool has_dp_encoder;

	bool dither;

	/* Controls for the clock computation, to override various stages. */

	bool clock_set;

	/* Settings for the intel dpll used on pretty much everything but

	 * haswell. */

	struct dpll {

		unsigned n;

		unsigned m1, m2;

		unsigned p1, p2;

	} dpll;

	int pipe_bpp;

	struct intel_link_m_n dp_m_n;

	/**

	 * This is currently used by DP and HDMI encoders since those can have a

	 * target pixel clock != the port link clock (which is currently stored

	 * in adjusted_mode->clock).

	 */

	int pixel_target_clock;

	/* Used by SDVO (and if we ever fix it, HDMI). */

	unsigned pixel_multiplier;

};

struct intel_crtc {

	struct drm_crtc base;

	enum pipe pipe;

	enum plane plane;

	u8 lut_r[256], lut_g[256], lut_b[256];

	/*

	 * Whether the crtc and the connected output pipeline is active. Implies

	 * that crtc->enabled is set, i.e. the current mode configuration has

	 * some outputs connected to this crtc.

	 */

	bool active;

	bool eld_vld;

	bool primary_disabled; /* is the crtc obscured by a plane? */

	bool lowfreq_avail;

	struct intel_overlay *overlay;

	struct intel_unpin_work *unpin_work;

	int fdi_lanes;

	atomic_t unpin_work_count;

	/* Display surface base address adjustement for pageflips. Note that on

	 * gen4+ this only adjusts up to a tile, offsets within a tile are

	 * handled in the hw itself (with the TILEOFF register). */

	unsigned long dspaddr_offset;

	struct drm_i915_gem_object *cursor_bo;

	uint32_t cursor_addr;

	int16_t cursor_x, cursor_y;

	int16_t cursor_width, cursor_height;

	bool cursor_visible;

	struct intel_crtc_config config;

	/* We can share PLLs across outputs if the timings match */

	struct intel_pch_pll *pch_pll;

	uint32_t ddi_pll_sel;

	/* reset counter value when the last flip was submitted */

	unsigned int reset_counter;

};

struct intel_plane {

	struct drm_plane base;

	int plane;

	enum pipe pipe;

	struct drm_i915_gem_object *obj;

	bool can_scale;

	int max_downscale;

	u32 lut_r[1024], lut_g[1024], lut_b[1024];

	int crtc_x, crtc_y;

	unsigned int crtc_w, crtc_h;

	uint32_t src_x, src_y;

	uint32_t src_w, src_h;

	void (*update_plane)(struct drm_plane *plane,

			     struct drm_framebuffer *fb,

			     struct drm_i915_gem_object *obj,

			     int crtc_x, int crtc_y,

			     unsigned int crtc_w, unsigned int crtc_h,

			     uint32_t x, uint32_t y,

			     uint32_t src_w, uint32_t src_h);

	void (*disable_plane)(struct drm_plane *plane);

	int (*update_colorkey)(struct drm_plane *plane,

			       struct drm_intel_sprite_colorkey *key);

	void (*get_colorkey)(struct drm_plane *plane,

			     struct drm_intel_sprite_colorkey *key);

};

struct intel_watermark_params {

	unsigned long fifo_size;

	unsigned long max_wm;

	unsigned long default_wm;

	unsigned long guard_size;

	unsigned long cacheline_size;

};

struct cxsr_latency {

	int is_desktop;

	int is_ddr3;

	unsigned long fsb_freq;

	unsigned long mem_freq;

	unsigned long display_sr;

	unsigned long display_hpll_disable;

	unsigned long cursor_sr;

	unsigned long cursor_hpll_disable;

};

#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)

#define to_intel_connector(x) container_of(x, struct intel_connector, base)

#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)

#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)

#define to_intel_plane(x) container_of(x, struct intel_plane, base)

#define DIP_HEADER_SIZE	5

#define DIP_TYPE_AVI    0x82

#define DIP_VERSION_AVI 0x2

#define DIP_LEN_AVI     13

#define DIP_AVI_PR_1    0

#define DIP_AVI_PR_2    1

#define DIP_AVI_RGB_QUANT_RANGE_DEFAULT	(0 << 2)

#define DIP_AVI_RGB_QUANT_RANGE_LIMITED	(1 << 2)

#define DIP_AVI_RGB_QUANT_RANGE_FULL	(2 << 2)

#define DIP_TYPE_SPD	0x83

#define DIP_VERSION_SPD	0x1

#define DIP_LEN_SPD	25

#define DIP_SPD_UNKNOWN	0

#define DIP_SPD_DSTB	0x1

#define DIP_SPD_DVDP	0x2

#define DIP_SPD_DVHS	0x3

#define DIP_SPD_HDDVR	0x4

#define DIP_SPD_DVC	0x5

#define DIP_SPD_DSC	0x6

#define DIP_SPD_VCD	0x7

#define DIP_SPD_GAME	0x8

#define DIP_SPD_PC	0x9

#define DIP_SPD_BD	0xa

#define DIP_SPD_SCD	0xb

struct dip_infoframe {

	uint8_t type;		/* HB0 */

	uint8_t ver;		/* HB1 */

	uint8_t len;		/* HB2 - body len, not including checksum */

	uint8_t ecc;		/* Header ECC */

	uint8_t checksum;	/* PB0 */

	union {

		struct {

			/* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */

			uint8_t Y_A_B_S;

			/* PB2 - C 7:6, M 5:4, R 3:0 */

			uint8_t C_M_R;

			/* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */

			uint8_t ITC_EC_Q_SC;

			/* PB4 - VIC 6:0 */

			uint8_t VIC;

			/* PB5 - YQ 7:6, CN 5:4, PR 3:0 */

			uint8_t YQ_CN_PR;

			/* PB6 to PB13 */

			uint16_t top_bar_end;

			uint16_t bottom_bar_start;

			uint16_t left_bar_end;

			uint16_t right_bar_start;

		} __attribute__ ((packed)) avi;

		struct {

			uint8_t vn[8];

			uint8_t pd[16];

			uint8_t sdi;

		} __attribute__ ((packed)) spd;

		uint8_t payload[27];

	} __attribute__ ((packed)) body;

} __attribute__((packed));

struct intel_hdmi {

	u32 hdmi_reg;

	int ddc_bus;

	uint32_t color_range;

	bool color_range_auto;

	bool has_hdmi_sink;

	bool has_audio;

	enum hdmi_force_audio force_audio;

	bool rgb_quant_range_selectable;

	void (*write_infoframe)(struct drm_encoder *encoder,

				struct dip_infoframe *frame);

	void (*set_infoframes)(struct drm_encoder *encoder,

			       struct drm_display_mode *adjusted_mode);

};

#define DP_MAX_DOWNSTREAM_PORTS		0x10

#define DP_LINK_CONFIGURATION_SIZE	9

struct intel_dp {

	uint32_t output_reg;

	uint32_t aux_ch_ctl_reg;

	uint32_t DP;

	uint8_t  link_configuration[DP_LINK_CONFIGURATION_SIZE];

	bool has_audio;

	enum hdmi_force_audio force_audio;

	uint32_t color_range;

	bool color_range_auto;

	uint8_t link_bw;

	uint8_t lane_count;

	uint8_t dpcd[DP_RECEIVER_CAP_SIZE];

	uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS];

	struct i2c_adapter adapter;

	struct i2c_algo_dp_aux_data algo;

	bool is_pch_edp;

	uint8_t train_set[4];

	int panel_power_up_delay;

	int panel_power_down_delay;

	int panel_power_cycle_delay;

	int backlight_on_delay;

	int backlight_off_delay;

	struct delayed_work panel_vdd_work;

	bool want_panel_vdd;

	struct intel_connector *attached_connector;

};

struct intel_digital_port {

	struct intel_encoder base;

	enum port port;

	u32 port_reversal;

	struct intel_dp dp;

	struct intel_hdmi hdmi;

};

static inline struct drm_crtc *

intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)

{

	struct drm_i915_private *dev_priv = dev->dev_private;

	return dev_priv->pipe_to_crtc_mapping[pipe];

}

static inline struct drm_crtc *

intel_get_crtc_for_plane(struct drm_device *dev, int plane)

{

	struct drm_i915_private *dev_priv = dev->dev_private;

	return dev_priv->plane_to_crtc_mapping[plane];

}

struct intel_unpin_work {

	struct work_struct work;

	struct drm_crtc *crtc;

	struct drm_i915_gem_object *old_fb_obj;

	struct drm_i915_gem_object *pending_flip_obj;

	struct drm_pending_vblank_event *event;

	atomic_t pending;

#define INTEL_FLIP_INACTIVE	0

#define INTEL_FLIP_PENDING	1

#define INTEL_FLIP_COMPLETE	2

	bool enable_stall_check;

};

struct intel_fbc_work {

	struct delayed_work work;

	struct drm_crtc *crtc;

	struct drm_framebuffer *fb;

	int interval;

};

int intel_pch_rawclk(struct drm_device *dev);

int intel_connector_update_modes(struct drm_connector *connector,

				struct edid *edid);

int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);

extern void intel_attach_force_audio_property(struct drm_connector *connector);

extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector);

extern void intel_crt_init(struct drm_device *dev);

extern void intel_hdmi_init(struct drm_device *dev,

			    int hdmi_reg, enum port port);

extern void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,

				      struct intel_connector *intel_connector);

extern struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder);

extern bool intel_hdmi_compute_config(struct intel_encoder *encoder,

				      struct intel_crtc_config *pipe_config);

extern void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);

extern bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg,

			    bool is_sdvob);

extern void intel_dvo_init(struct drm_device *dev);

extern void intel_tv_init(struct drm_device *dev);

extern void intel_mark_busy(struct drm_device *dev);

extern void intel_mark_fb_busy(struct drm_i915_gem_object *obj);

extern void intel_mark_idle(struct drm_device *dev);

extern bool intel_lvds_init(struct drm_device *dev);

extern bool intel_is_dual_link_lvds(struct drm_device *dev);

extern void intel_dp_init(struct drm_device *dev, int output_reg,

			  enum port port);

extern void intel_dp_init_connector(struct intel_digital_port *intel_dig_port,

				    struct intel_connector *intel_connector);

extern void intel_dp_init_link_config(struct intel_dp *intel_dp);

extern void intel_dp_start_link_train(struct intel_dp *intel_dp);

extern void intel_dp_complete_link_train(struct intel_dp *intel_dp);

extern void intel_dp_stop_link_train(struct intel_dp *intel_dp);

extern void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);

extern void intel_dp_encoder_destroy(struct drm_encoder *encoder);

extern void intel_dp_check_link_status(struct intel_dp *intel_dp);

extern bool intel_dp_compute_config(struct intel_encoder *encoder,

				    struct intel_crtc_config *pipe_config);

extern bool intel_dpd_is_edp(struct drm_device *dev);

extern void ironlake_edp_backlight_on(struct intel_dp *intel_dp);

extern void ironlake_edp_backlight_off(struct intel_dp *intel_dp);

extern void ironlake_edp_panel_on(struct intel_dp *intel_dp);

extern void ironlake_edp_panel_off(struct intel_dp *intel_dp);

extern void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp);

extern void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync);

extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);

extern int intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane);

extern void intel_flush_display_plane(struct drm_i915_private *dev_priv,

				      enum plane plane);

/* intel_panel.c */

extern int intel_panel_init(struct intel_panel *panel,

			    struct drm_display_mode *fixed_mode);

extern void intel_panel_fini(struct intel_panel *panel);

extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,

				   struct drm_display_mode *adjusted_mode);

extern void intel_pch_panel_fitting(struct drm_device *dev,

				    int fitting_mode,

				    const struct drm_display_mode *mode,

				    struct drm_display_mode *adjusted_mode);

extern u32 intel_panel_get_max_backlight(struct drm_device *dev);

extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);

extern int intel_panel_setup_backlight(struct drm_connector *connector);

extern void intel_panel_enable_backlight(struct drm_device *dev,

					 enum pipe pipe);

extern void intel_panel_disable_backlight(struct drm_device *dev);

extern void intel_panel_destroy_backlight(struct drm_device *dev);

extern enum drm_connector_status intel_panel_detect(struct drm_device *dev);

struct intel_set_config {

	struct drm_encoder **save_connector_encoders;

	struct drm_crtc **save_encoder_crtcs;

	bool fb_changed;

	bool mode_changed;

};

extern int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,

			   int x, int y, struct drm_framebuffer *old_fb);

extern void intel_modeset_disable(struct drm_device *dev);

extern void intel_crtc_restore_mode(struct drm_crtc *crtc);

extern void intel_crtc_load_lut(struct drm_crtc *crtc);

extern void intel_crtc_update_dpms(struct drm_crtc *crtc);

extern void intel_encoder_destroy(struct drm_encoder *encoder);

extern void intel_encoder_dpms(struct intel_encoder *encoder, int mode);

extern bool intel_encoder_check_is_cloned(struct intel_encoder *encoder);

extern void intel_connector_dpms(struct drm_connector *, int mode);

extern bool intel_connector_get_hw_state(struct intel_connector *connector);

extern void intel_modeset_check_state(struct drm_device *dev);

extern void intel_plane_restore(struct drm_plane *plane);

static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)

{

	return to_intel_connector(connector)->encoder;

}

static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)

{

	struct intel_digital_port *intel_dig_port =

		container_of(encoder, struct intel_digital_port, base.base);

	return &intel_dig_port->dp;

}

static inline struct intel_digital_port *

enc_to_dig_port(struct drm_encoder *encoder)

{

	return container_of(encoder, struct intel_digital_port, base.base);

}

static inline struct intel_digital_port *

dp_to_dig_port(struct intel_dp *intel_dp)

{

	return container_of(intel_dp, struct intel_digital_port, dp);

}

static inline struct intel_digital_port *

hdmi_to_dig_port(struct intel_hdmi *intel_hdmi)

{

	return container_of(intel_hdmi, struct intel_digital_port, hdmi);

}

bool ibx_digital_port_connected(struct drm_i915_private *dev_priv,

				struct intel_digital_port *port);

extern void intel_connector_attach_encoder(struct intel_connector *connector,

					   struct intel_encoder *encoder);

extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);

extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,

						    struct drm_crtc *crtc);

int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,

				struct drm_file *file_priv);

extern enum transcoder

intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,

			     enum pipe pipe);

extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);

extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);

extern int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp);

struct intel_load_detect_pipe {

	struct drm_framebuffer *release_fb;

	bool load_detect_temp;

	int dpms_mode;

};

extern bool intel_get_load_detect_pipe(struct drm_connector *connector,

				       struct drm_display_mode *mode,

				       struct intel_load_detect_pipe *old);

extern void intel_release_load_detect_pipe(struct drm_connector *connector,

					   struct intel_load_detect_pipe *old);

extern void intelfb_restore(void);

extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,

				    u16 blue, int regno);

extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,

				    u16 *blue, int regno);

extern void intel_enable_clock_gating(struct drm_device *dev);

extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,

				      struct drm_i915_gem_object *obj,

				      struct intel_ring_buffer *pipelined);

extern void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);

extern int intel_framebuffer_init(struct drm_device *dev,

				  struct intel_framebuffer *ifb,

				  struct drm_mode_fb_cmd2 *mode_cmd,

				  struct drm_i915_gem_object *obj);

extern int intel_fbdev_init(struct drm_device *dev);

extern void intel_fbdev_initial_config(struct drm_device *dev);

extern void intel_fbdev_fini(struct drm_device *dev);

extern void intel_fbdev_set_suspend(struct drm_device *dev, int state);

extern void intel_prepare_page_flip(struct drm_device *dev, int plane);

extern void intel_finish_page_flip(struct drm_device *dev, int pipe);

extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);

extern void intel_setup_overlay(struct drm_device *dev);

extern void intel_cleanup_overlay(struct drm_device *dev);

extern int intel_overlay_switch_off(struct intel_overlay *overlay);

extern int intel_overlay_put_image(struct drm_device *dev, void *data,

				   struct drm_file *file_priv);

extern int intel_overlay_attrs(struct drm_device *dev, void *data,

			       struct drm_file *file_priv);

extern void intel_fb_output_poll_changed(struct drm_device *dev);

extern void intel_fb_restore_mode(struct drm_device *dev);

extern void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,

			bool state);

#define assert_pipe_enabled(d, p) assert_pipe(d, p, true)

#define assert_pipe_disabled(d, p) assert_pipe(d, p, false)

extern void intel_init_clock_gating(struct drm_device *dev);

extern void intel_write_eld(struct drm_encoder *encoder,

			    struct drm_display_mode *mode);

extern void intel_cpt_verify_modeset(struct drm_device *dev, int pipe);

extern void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,

					 struct intel_link_m_n *m_n);

extern void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc,

					 struct intel_link_m_n *m_n);

extern void intel_prepare_ddi(struct drm_device *dev);

extern void hsw_fdi_link_train(struct drm_crtc *crtc);

extern void intel_ddi_init(struct drm_device *dev, enum port port);

/* For use by IVB LP watermark workaround in intel_sprite.c */

extern void intel_update_watermarks(struct drm_device *dev);

extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe,

					   uint32_t sprite_width,

					   int pixel_size);

extern void intel_update_linetime_watermarks(struct drm_device *dev, int pipe,

			 struct drm_display_mode *mode);

extern unsigned long intel_gen4_compute_page_offset(int *x, int *y,

						    unsigned int tiling_mode,

						      unsigned int bpp,

						      unsigned int pitch);

extern int intel_sprite_set_colorkey(struct drm_device *dev, void *data,

				     struct drm_file *file_priv);

extern int intel_sprite_get_colorkey(struct drm_device *dev, void *data,

				     struct drm_file *file_priv);

extern u32 intel_dpio_read(struct drm_i915_private *dev_priv, int reg);

/* Power-related functions, located in intel_pm.c */

extern void intel_init_pm(struct drm_device *dev);

/* FBC */

extern bool intel_fbc_enabled(struct drm_device *dev);

extern void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval);

extern void intel_update_fbc(struct drm_device *dev);

/* IPS */

extern void intel_gpu_ips_init(struct drm_i915_private *dev_priv);

extern void intel_gpu_ips_teardown(void);

extern bool intel_using_power_well(struct drm_device *dev);

extern void intel_init_power_well(struct drm_device *dev);

extern void intel_set_power_well(struct drm_device *dev, bool enable);

extern void intel_enable_gt_powersave(struct drm_device *dev);

extern void intel_disable_gt_powersave(struct drm_device *dev);

extern void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv);

extern void ironlake_teardown_rc6(struct drm_device *dev);

extern bool intel_ddi_get_hw_state(struct intel_encoder *encoder,

				   enum pipe *pipe);

extern int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv);

extern void intel_ddi_pll_init(struct drm_device *dev);

extern void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc);

extern void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,

					      enum transcoder cpu_transcoder);

extern void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc);

extern void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc);

extern void intel_ddi_setup_hw_pll_state(struct drm_device *dev);

extern bool intel_ddi_pll_mode_set(struct drm_crtc *crtc, int clock);

extern void intel_ddi_put_crtc_pll(struct drm_crtc *crtc);

extern void intel_ddi_set_pipe_settings(struct drm_crtc *crtc);

extern void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder);

extern bool

intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);

extern void intel_ddi_fdi_disable(struct drm_crtc *crtc);

extern void intel_display_handle_reset(struct drm_device *dev);

#endif /* __INTEL_DRV_H__ */