[net-next-2.6.git] / drivers / gpu / drm / i915 / intel_drv.h

/*
 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
 * Copyright (c) 2007-2008 Intel Corporation
 *   Jesse Barnes <jesse.barnes@intel.com>
 *
 * 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 <linux/i2c.h>
#include "i915_drv.h"
#include "drm_crtc.h"
#include "drm_crtc_helper.h"
#include "drm_fb_helper.h"

#define _wait_for(COND, MS, W) ({ \
	unsigned long timeout__ = jiffies + msecs_to_jiffies(MS);	\
	int ret__ = 0;							\
	while (! (COND)) {						\
		if (time_after(jiffies, timeout__)) {			\
			ret__ = -ETIMEDOUT;				\
			break;						\
		}							\
		if (W && !in_dbg_master()) msleep(W);			\
	}								\
	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

/* Intel Pipe Clone Bit */
#define INTEL_HDMIB_CLONE_BIT 1
#define INTEL_HDMIC_CLONE_BIT 2
#define INTEL_HDMID_CLONE_BIT 3
#define INTEL_HDMIE_CLONE_BIT 4
#define INTEL_HDMIF_CLONE_BIT 5
#define INTEL_SDVO_NON_TV_CLONE_BIT 6
#define INTEL_SDVO_TV_CLONE_BIT 7
#define INTEL_SDVO_LVDS_CLONE_BIT 8
#define INTEL_ANALOG_CLONE_BIT 9
#define INTEL_TV_CLONE_BIT 10
#define INTEL_DP_B_CLONE_BIT 11
#define INTEL_DP_C_CLONE_BIT 12
#define INTEL_DP_D_CLONE_BIT 13
#define INTEL_LVDS_CLONE_BIT 14
#define INTEL_DVO_TMDS_CLONE_BIT 15
#define INTEL_DVO_LVDS_CLONE_BIT 16
#define INTEL_EDP_CLONE_BIT 17

#define INTEL_DVO_CHIP_NONE 0
#define INTEL_DVO_CHIP_LVDS 1
#define INTEL_DVO_CHIP_TMDS 2
#define INTEL_DVO_CHIP_TVOUT 4

/* drm_display_mode->private_flags */
#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)

static inline void
intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
				int multiplier)
{
	mode->clock *= multiplier;
	mode->private_flags |= multiplier;
}

static inline int
intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
{
	return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
}

struct intel_framebuffer {
	struct drm_framebuffer base;
	struct drm_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;
	int type;
	bool load_detect_temp;
	bool needs_tv_clock;
	void (*hot_plug)(struct intel_encoder *);
	int crtc_mask;
	int clone_mask;
};

struct intel_connector {
	struct drm_connector base;
	struct intel_encoder *encoder;
};

struct intel_crtc {
	struct drm_crtc base;
	enum pipe pipe;
	enum plane plane;
	u8 lut_r[256], lut_g[256], lut_b[256];
	int dpms_mode;
	bool active; /* is the crtc on? independent of the dpms mode */
	bool busy; /* is scanout buffer being updated frequently? */
	struct timer_list idle_timer;
	bool lowfreq_avail;
	struct intel_overlay *overlay;
	struct intel_unpin_work *unpin_work;
	int fdi_lanes;

	struct drm_gem_object *cursor_bo;
	uint32_t cursor_addr;
	int16_t cursor_x, cursor_y;
	int16_t cursor_width, cursor_height;
	bool cursor_visible;
};

#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 DIP_TYPE_AVI    0x82
#define DIP_VERSION_AVI 0x2
#define DIP_LEN_AVI     13

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 - PR 3:0 */
			uint8_t PR;
			/* PB6 to PB13 */
			uint16_t top_bar_end;
			uint16_t bottom_bar_start;
			uint16_t left_bar_end;
			uint16_t right_bar_start;
		} avi;
		uint8_t payload[27];
	} __attribute__ ((packed)) body;
} __attribute__((packed));

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];
}

struct intel_unpin_work {
	struct work_struct work;
	struct drm_device *dev;
	struct drm_gem_object *old_fb_obj;
	struct drm_gem_object *pending_flip_obj;
	struct drm_pending_vblank_event *event;
	int pending;
	bool enable_stall_check;
};

int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);

extern void intel_crt_init(struct drm_device *dev);
extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
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, struct drm_gem_object *obj);
extern void intel_lvds_init(struct drm_device *dev);
extern void intel_dp_init(struct drm_device *dev, int dp_reg);
void
intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
		 struct drm_display_mode *adjusted_mode);
extern bool intel_dpd_is_edp(struct drm_device *dev);
extern void intel_edp_link_config (struct intel_encoder *, int *, int *);
extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);

/* intel_panel.c */
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,
				    struct drm_display_mode *mode,
				    struct drm_display_mode *adjusted_mode);
extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
extern u32 intel_panel_get_backlight(struct drm_device *dev);
extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);

extern void intel_crtc_load_lut(struct drm_crtc *crtc);
extern void intel_encoder_prepare (struct drm_encoder *encoder);
extern void intel_encoder_commit (struct drm_encoder *encoder);
extern void intel_encoder_destroy(struct drm_encoder *encoder);

static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
{
	return to_intel_connector(connector)->encoder;
}

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 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 struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
						   struct drm_connector *connector,
						   struct drm_display_mode *mode,
						   int *dpms_mode);
extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
					   struct drm_connector *connector,
					   int dpms_mode);

extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
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_init_clock_gating(struct drm_device *dev);
extern void ironlake_enable_drps(struct drm_device *dev);
extern void ironlake_disable_drps(struct drm_device *dev);
extern void intel_init_emon(struct drm_device *dev);

extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
				      struct drm_gem_object *obj,
				      bool pipelined);

extern int intel_framebuffer_init(struct drm_device *dev,
				  struct intel_framebuffer *ifb,
				  struct drm_mode_fb_cmd *mode_cmd,
				  struct drm_gem_object *obj);
extern int intel_fbdev_init(struct drm_device *dev);
extern void intel_fbdev_fini(struct drm_device *dev);

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,
				    bool interruptible);
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);
#endif /* __INTEL_DRV_H__ */
Commit	Line	Data
79e53945 JB	1	/*
	2	* Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
	3	* Copyright (c) 2007-2008 Intel Corporation
	4	* Jesse Barnes <jesse.barnes@intel.com>
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a
	7	* copy of this software and associated documentation files (the "Software"),
	8	* to deal in the Software without restriction, including without limitation
	9	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	10	* and/or sell copies of the Software, and to permit persons to whom the
	11	* Software is furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice (including the next
	14	* paragraph) shall be included in all copies or substantial portions of the
	15	* Software.
	16	*
	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	20	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	21	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	22	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	23	* IN THE SOFTWARE.
	24	*/
	25	#ifndef __INTEL_DRV_H__
	26	#define __INTEL_DRV_H__
	27
	28	#include <linux/i2c.h>
80824003	29	#include "i915_drv.h"
79e53945	30	#include "drm_crtc.h"
79e53945	31	#include "drm_crtc_helper.h"
37811fcc	32	#include "drm_fb_helper.h"
913d8d11	33
481b6af3	34	#define _wait_for(COND, MS, W) ({ \
913d8d11 CW	35	unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
	36	int ret__ = 0; \
	37	while (! (COND)) { \
	38	if (time_after(jiffies, timeout__)) { \
	39	ret__ = -ETIMEDOUT; \
	40	break; \
	41	} \
82d7c9e7	42	if (W && !in_dbg_master()) msleep(W); \
913d8d11 CW	43	} \
	44	ret__; \
	45	})
	46
481b6af3 CW	47	#define wait_for(COND, MS) _wait_for(COND, MS, 1)
	48	#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
	49
ec5da01e CW	50	#define MSLEEP(x) do { \
	51	if (in_dbg_master()) \
	52	mdelay(x); \
	53	else \
	54	msleep(x); \
	55	} while(0)
	56
021357ac CW	57	#define KHz(x) (1000*x)
	58	#define MHz(x) KHz(1000*x)
	59
79e53945 JB	60	/*
	61	* Display related stuff
	62	*/
	63
	64	/* store information about an Ixxx DVO */
	65	/* The i830->i865 use multiple DVOs with multiple i2cs */
	66	/* the i915, i945 have a single sDVO i2c bus - which is different */
	67	#define MAX_OUTPUTS 6
	68	/* maximum connectors per crtcs in the mode set */
	69	#define INTELFB_CONN_LIMIT 4
	70
	71	#define INTEL_I2C_BUS_DVO 1
	72	#define INTEL_I2C_BUS_SDVO 2
	73
	74	/* these are outputs from the chip - integrated only
	75	external chips are via DVO or SDVO output */
	76	#define INTEL_OUTPUT_UNUSED 0
	77	#define INTEL_OUTPUT_ANALOG 1
	78	#define INTEL_OUTPUT_DVO 2
	79	#define INTEL_OUTPUT_SDVO 3
	80	#define INTEL_OUTPUT_LVDS 4
	81	#define INTEL_OUTPUT_TVOUT 5
7d57382e	82	#define INTEL_OUTPUT_HDMI 6
a4fc5ed6	83	#define INTEL_OUTPUT_DISPLAYPORT 7
32f9d658	84	#define INTEL_OUTPUT_EDP 8
79e53945	85
f8aed700 ML	86	/* Intel Pipe Clone Bit */
	87	#define INTEL_HDMIB_CLONE_BIT 1
	88	#define INTEL_HDMIC_CLONE_BIT 2
	89	#define INTEL_HDMID_CLONE_BIT 3
	90	#define INTEL_HDMIE_CLONE_BIT 4
	91	#define INTEL_HDMIF_CLONE_BIT 5
	92	#define INTEL_SDVO_NON_TV_CLONE_BIT 6
	93	#define INTEL_SDVO_TV_CLONE_BIT 7
	94	#define INTEL_SDVO_LVDS_CLONE_BIT 8
	95	#define INTEL_ANALOG_CLONE_BIT 9
	96	#define INTEL_TV_CLONE_BIT 10
	97	#define INTEL_DP_B_CLONE_BIT 11
	98	#define INTEL_DP_C_CLONE_BIT 12
	99	#define INTEL_DP_D_CLONE_BIT 13
	100	#define INTEL_LVDS_CLONE_BIT 14
	101	#define INTEL_DVO_TMDS_CLONE_BIT 15
	102	#define INTEL_DVO_LVDS_CLONE_BIT 16
7c8460db	103	#define INTEL_EDP_CLONE_BIT 17
f8aed700	104
79e53945 JB	105	#define INTEL_DVO_CHIP_NONE 0
	106	#define INTEL_DVO_CHIP_LVDS 1
	107	#define INTEL_DVO_CHIP_TMDS 2
	108	#define INTEL_DVO_CHIP_TVOUT 4
	109
6c9547ff CW	110	/* drm_display_mode->private_flags */
	111	#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
	112	#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
	113
	114	static inline void
	115	intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
	116	int multiplier)
	117	{
	118	mode->clock *= multiplier;
	119	mode->private_flags \|= multiplier;
	120	}
	121
	122	static inline int
	123	intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
	124	{
	125	return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
	126	}
	127
79e53945 JB	128	struct intel_framebuffer {
	129	struct drm_framebuffer base;
	130	struct drm_gem_object *obj;
	131	};
	132
37811fcc CW	133	struct intel_fbdev {
	134	struct drm_fb_helper helper;
	135	struct intel_framebuffer ifb;
	136	struct list_head fbdev_list;
	137	struct drm_display_mode *our_mode;
	138	};
79e53945	139
21d40d37	140	struct intel_encoder {
4ef69c7a	141	struct drm_encoder base;
79e53945	142	int type;
79e53945	143	bool load_detect_temp;
e2f0ba97	144	bool needs_tv_clock;
21d40d37	145	void (hot_plug)(struct intel_encoder );
f8aed700 ML	146	int crtc_mask;
f8aed700 ML	147	int clone_mask;
79e53945 JB	148	};
79e53945 JB	149
5daa55eb ZW	150	struct intel_connector {
5daa55eb ZW	151	struct drm_connector base;
df0e9248	152	struct intel_encoder *encoder;
5daa55eb ZW	153	};
5daa55eb ZW	154
79e53945 JB	155	struct intel_crtc {
79e53945 JB	156	struct drm_crtc base;
80824003 JB	157	enum pipe pipe;
80824003 JB	158	enum plane plane;
79e53945 JB	159	u8 lut_r[256], lut_g[256], lut_b[256];
79e53945 JB	160	int dpms_mode;
f7abfe8b	161	bool active; /* is the crtc on? independent of the dpms mode */
652c393a JB	162	bool busy; /* is scanout buffer being updated frequently? */
	163	struct timer_list idle_timer;
	164	bool lowfreq_avail;
02e792fb	165	struct intel_overlay *overlay;
6b95a207	166	struct intel_unpin_work *unpin_work;
77ffb597	167	int fdi_lanes;
cda4b7d3 CW	168
	169	struct drm_gem_object *cursor_bo;
	170	uint32_t cursor_addr;
	171	int16_t cursor_x, cursor_y;
	172	int16_t cursor_width, cursor_height;
6b383a7f	173	bool cursor_visible;
79e53945 JB	174	};
	175
	176	#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
5daa55eb	177	#define to_intel_connector(x) container_of(x, struct intel_connector, base)
4ef69c7a	178	#define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
79e53945 JB	179	#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
79e53945 JB	180
3c17fe4b DH	181	#define DIP_TYPE_AVI 0x82
	182	#define DIP_VERSION_AVI 0x2
	183	#define DIP_LEN_AVI 13
	184
	185	struct dip_infoframe {
	186	uint8_t type; /* HB0 */
	187	uint8_t ver; /* HB1 */
	188	uint8_t len; /* HB2 - body len, not including checksum */
	189	uint8_t ecc; /* Header ECC */
	190	uint8_t checksum; /* PB0 */
	191	union {
	192	struct {
	193	/* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
	194	uint8_t Y_A_B_S;
	195	/* PB2 - C 7:6, M 5:4, R 3:0 */
	196	uint8_t C_M_R;
	197	/* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
	198	uint8_t ITC_EC_Q_SC;
	199	/* PB4 - VIC 6:0 */
	200	uint8_t VIC;
	201	/* PB5 - PR 3:0 */
	202	uint8_t PR;
	203	/* PB6 to PB13 */
	204	uint16_t top_bar_end;
	205	uint16_t bottom_bar_start;
	206	uint16_t left_bar_end;
	207	uint16_t right_bar_start;
	208	} avi;
	209	uint8_t payload[27];
	210	} __attribute__ ((packed)) body;
	211	} __attribute__((packed));
	212
f875c15a CW	213	static inline struct drm_crtc *
	214	intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
	215	{
	216	struct drm_i915_private *dev_priv = dev->dev_private;
	217	return dev_priv->pipe_to_crtc_mapping[pipe];
	218	}
	219
4e5359cd SF	220	struct intel_unpin_work {
	221	struct work_struct work;
	222	struct drm_device *dev;
	223	struct drm_gem_object *old_fb_obj;
	224	struct drm_gem_object *pending_flip_obj;
	225	struct drm_pending_vblank_event *event;
	226	int pending;
	227	bool enable_stall_check;
	228	};
	229
335af9a2	230	int intel_ddc_get_modes(struct drm_connector c, struct i2c_adapter adapter);
f899fc64	231	extern bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus);
f0217c42	232
79e53945	233	extern void intel_crt_init(struct drm_device *dev);
7d57382e	234	extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
3c17fe4b	235	void intel_dip_infoframe_csum(struct dip_infoframe *avi_if);
7d57382e	236	extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
79e53945 JB	237	extern void intel_dvo_init(struct drm_device *dev);
79e53945 JB	238	extern void intel_tv_init(struct drm_device *dev);
652c393a	239	extern void intel_mark_busy(struct drm_device dev, struct drm_gem_object obj);
79e53945	240	extern void intel_lvds_init(struct drm_device *dev);
a4fc5ed6 KP	241	extern void intel_dp_init(struct drm_device *dev, int dp_reg);
	242	void
	243	intel_dp_set_m_n(struct drm_crtc crtc, struct drm_display_mode mode,
	244	struct drm_display_mode *adjusted_mode);
cb0953d7	245	extern bool intel_dpd_is_edp(struct drm_device *dev);
21d40d37	246	extern void intel_edp_link_config (struct intel_encoder , int , int *);
814948ad	247	extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder);
32f9d658	248
a9573556	249	/* intel_panel.c */
1d8e1c75 CW	250	extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
	251	struct drm_display_mode *adjusted_mode);
	252	extern void intel_pch_panel_fitting(struct drm_device *dev,
	253	int fitting_mode,
	254	struct drm_display_mode *mode,
	255	struct drm_display_mode *adjusted_mode);
a9573556 CW	256	extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
	257	extern u32 intel_panel_get_backlight(struct drm_device *dev);
	258	extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
1d8e1c75	259
79e53945 JB	260	extern void intel_crtc_load_lut(struct drm_crtc *crtc);
	261	extern void intel_encoder_prepare (struct drm_encoder *encoder);
	262	extern void intel_encoder_commit (struct drm_encoder *encoder);
ea5b213a	263	extern void intel_encoder_destroy(struct drm_encoder *encoder);
79e53945	264
df0e9248 CW	265	static inline struct intel_encoder intel_attached_encoder(struct drm_connector connector)
	266	{
	267	return to_intel_connector(connector)->encoder;
	268	}
	269
	270	extern void intel_connector_attach_encoder(struct intel_connector *connector,
	271	struct intel_encoder *encoder);
	272	extern struct drm_encoder intel_best_encoder(struct drm_connector connector);
79e53945 JB	273
	274	extern struct drm_display_mode intel_crtc_mode_get(struct drm_device dev,
	275	struct drm_crtc *crtc);
08d7b3d1 CW	276	int intel_get_pipe_from_crtc_id(struct drm_device dev, void data,
08d7b3d1 CW	277	struct drm_file *file_priv);
9d0498a2	278	extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
58e10eb9	279	extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
21d40d37	280	extern struct drm_crtc intel_get_load_detect_pipe(struct intel_encoder intel_encoder,
c1c43977	281	struct drm_connector *connector,
79e53945 JB	282	struct drm_display_mode *mode,
79e53945 JB	283	int *dpms_mode);
21d40d37	284	extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
c1c43977	285	struct drm_connector *connector,
79e53945 JB	286	int dpms_mode);
	287
	288	extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
	289	extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
	290	extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
79e53945 JB	291	extern void intelfb_restore(void);
	292	extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
	293	u16 blue, int regno);
b8c00ac5 DA	294	extern void intel_crtc_fb_gamma_get(struct drm_crtc crtc, u16 red, u16 *green,
b8c00ac5 DA	295	u16 *blue, int regno);
7e8b60fa	296	extern void intel_init_clock_gating(struct drm_device *dev);
f97108d1 JB	297	extern void ironlake_enable_drps(struct drm_device *dev);
f97108d1 JB	298	extern void ironlake_disable_drps(struct drm_device *dev);
48fcfc88	299	extern void intel_init_emon(struct drm_device *dev);
79e53945	300
127bd2ac	301	extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
48b956c5 CW	302	struct drm_gem_object *obj,
48b956c5 CW	303	bool pipelined);
127bd2ac	304
38651674 DA	305	extern int intel_framebuffer_init(struct drm_device *dev,
	306	struct intel_framebuffer *ifb,
	307	struct drm_mode_fb_cmd *mode_cmd,
	308	struct drm_gem_object *obj);
	309	extern int intel_fbdev_init(struct drm_device *dev);
	310	extern void intel_fbdev_fini(struct drm_device *dev);
28d52043	311
6b95a207 KH	312	extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
6b95a207 KH	313	extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
1afe3e9d	314	extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
6b95a207	315
02e792fb DV	316	extern void intel_setup_overlay(struct drm_device *dev);
02e792fb DV	317	extern void intel_cleanup_overlay(struct drm_device *dev);
5dcdbcb0 CW	318	extern int intel_overlay_switch_off(struct intel_overlay *overlay,
5dcdbcb0 CW	319	bool interruptible);
02e792fb DV	320	extern int intel_overlay_put_image(struct drm_device dev, void data,
	321	struct drm_file *file_priv);
	322	extern int intel_overlay_attrs(struct drm_device dev, void data,
	323	struct drm_file *file_priv);
4abe3520	324
eb1f8e4f	325	extern void intel_fb_output_poll_changed(struct drm_device *dev);
79e53945	326	#endif /* __INTEL_DRV_H__ */