drm/i915: add structs for MIPI DSI output

/*

 * Copyright © 2013 Intel Corporation

 *

 * 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_DSI_H

#define _INTEL_DSI_H

#include <drm/drmP.h>

#include <drm/drm_crtc.h>

#include "intel_drv.h"

struct intel_dsi_device {

	unsigned int panel_id;

	const char *name;

	int type;

	const struct intel_dsi_dev_ops *dev_ops;

	void *dev_priv;

};

struct intel_dsi_dev_ops {

	bool (*init)(struct intel_dsi_device *dsi);

	/* This callback must be able to assume DSI commands can be sent */

	void (*enable)(struct intel_dsi_device *dsi);

	/* This callback must be able to assume DSI commands can be sent */

	void (*disable)(struct intel_dsi_device *dsi);

	int (*mode_valid)(struct intel_dsi_device *dsi,

			  struct drm_display_mode *mode);

	bool (*mode_fixup)(struct intel_dsi_device *dsi,

			   const struct drm_display_mode *mode,

			   struct drm_display_mode *adjusted_mode);

	void (*mode_set)(struct intel_dsi_device *dsi,

			 struct drm_display_mode *mode,

			 struct drm_display_mode *adjusted_mode);

	enum drm_connector_status (*detect)(struct intel_dsi_device *dsi);

	bool (*get_hw_state)(struct intel_dsi_device *dev);

	struct drm_display_mode *(*get_modes)(struct intel_dsi_device *dsi);

	void (*destroy) (struct intel_dsi_device *dsi);

};

struct intel_dsi {

	struct intel_encoder base;

	struct intel_dsi_device dev;

	struct intel_connector *attached_connector;

	/* if true, use HS mode, otherwise LP */

	bool hs;

	/* virtual channel */

	int channel;

	/* number of DSI lanes */

	unsigned int lane_count;

	/* video mode pixel format for MIPI_DSI_FUNC_PRG register */

	u32 pixel_format;

	/* video mode format for MIPI_VIDEO_MODE_FORMAT register */

	u32 video_mode_format;

	/* eot for MIPI_EOT_DISABLE register */

	u32 eot_disable;

};

static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)

{

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

}

#endif /* _INTEL_DSI_H */