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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 "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_atomic()||*/ 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_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;

	int type;

	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_i915_gem_object *cursor_bo;

	uint32_t cursor_addr;

	int16_t cursor_x, cursor_y;

	int16_t cursor_width, cursor_height;

	bool cursor_visible;

	unsigned int bpp;

};

#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_HEADER_SIZE	5

#define DIP_TYPE_AVI    0x82

#define DIP_VERSION_AVI 0x2

#define DIP_LEN_AVI     13

#define DIP_TYPE_SPD	0x3

#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 - 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;

		struct {

			uint8_t vn[8];

			uint8_t pd[16];

			uint8_t sdi;

		} spd;

		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];

}

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_device *dev;

	struct drm_i915_gem_object *old_fb_obj;

	struct drm_i915_gem_object *pending_flip_obj;

	struct drm_pending_vblank_event *event;

	int pending;

	bool enable_stall_check;

};

struct intel_fbc_work {

//   struct delayed_work work;

	struct drm_crtc *crtc;

	struct drm_framebuffer *fb;

	int interval;

};

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_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 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_i915_gem_object *obj);

extern bool 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 int intel_panel_setup_backlight(struct drm_device *dev);

extern void intel_panel_enable_backlight(struct drm_device *dev);

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);

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);

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 intel_encoder *intel_encoder,

				       struct drm_connector *connector,

				       struct drm_display_mode *mode,

				       struct intel_load_detect_pipe *old);

extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,

					   struct drm_connector *connector,

					   struct intel_load_detect_pipe *old);

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_enable_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 gen6_enable_rps(struct drm_i915_private *dev_priv);

extern void gen6_update_ring_freq(struct drm_i915_private *dev_priv);

extern void gen6_disable_rps(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_i915_gem_object *obj,

				      struct intel_ring_buffer *pipelined);

extern int intel_framebuffer_init(struct drm_device *dev,

				  struct intel_framebuffer *ifb,

				  struct drm_mode_fb_cmd *mode_cmd,

				  struct drm_i915_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);

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 intel_init_clock_gating(struct drm_device *dev);

#endif /* __INTEL_DRV_H__ */