[linux-2.6-block.git] / drivers / gpu / drm / i915 / intel_dsi.h

/*
 * 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);
}

extern void vlv_enable_dsi_pll(struct intel_encoder *encoder);
extern void vlv_disable_dsi_pll(struct intel_encoder *encoder);

#endif /* _INTEL_DSI_H */
Commit	Line	Data
f5e11b06 JN	1	/*
	2	* Copyright © 2013 Intel Corporation
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice (including the next
	12	* paragraph) shall be included in all copies or substantial portions of the
	13	* Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	21	* DEALINGS IN THE SOFTWARE.
	22	*/
	23
	24	#ifndef _INTEL_DSI_H
	25	#define _INTEL_DSI_H
	26
	27	#include <drm/drmP.h>
	28	#include <drm/drm_crtc.h>
	29	#include "intel_drv.h"
	30
	31	struct intel_dsi_device {
	32	unsigned int panel_id;
	33	const char *name;
	34	int type;
	35	const struct intel_dsi_dev_ops *dev_ops;
	36	void *dev_priv;
	37	};
	38
	39	struct intel_dsi_dev_ops {
	40	bool (init)(struct intel_dsi_device dsi);
	41
	42	/* This callback must be able to assume DSI commands can be sent */
	43	void (enable)(struct intel_dsi_device dsi);
	44
	45	/* This callback must be able to assume DSI commands can be sent */
	46	void (disable)(struct intel_dsi_device dsi);
	47
	48	int (mode_valid)(struct intel_dsi_device dsi,
	49	struct drm_display_mode *mode);
	50
	51	bool (mode_fixup)(struct intel_dsi_device dsi,
	52	const struct drm_display_mode *mode,
	53	struct drm_display_mode *adjusted_mode);
	54
	55	void (mode_set)(struct intel_dsi_device dsi,
	56	struct drm_display_mode *mode,
	57	struct drm_display_mode *adjusted_mode);
	58
	59	enum drm_connector_status (detect)(struct intel_dsi_device dsi);
	60
	61	bool (get_hw_state)(struct intel_dsi_device dev);
	62
	63	struct drm_display_mode (get_modes)(struct intel_dsi_device *dsi);
	64
65	void (destroy) (struct intel_dsi_device dsi);
66	};
67
68	struct intel_dsi {
69	struct intel_encoder base;
70
71	struct intel_dsi_device dev;
72
73	struct intel_connector *attached_connector;
74
75	/* if true, use HS mode, otherwise LP */
76	bool hs;
77
78	/* virtual channel */
79	int channel;
80
81	/* number of DSI lanes */
82	unsigned int lane_count;
83
84	/* video mode pixel format for MIPI_DSI_FUNC_PRG register */
85	u32 pixel_format;
86
87	/* video mode format for MIPI_VIDEO_MODE_FORMAT register */
88	u32 video_mode_format;
89
90	/* eot for MIPI_EOT_DISABLE register */
91	u32 eot_disable;
92	};
93
94	static inline struct intel_dsi enc_to_intel_dsi(struct drm_encoder encoder)
95	{
96	return container_of(encoder, struct intel_dsi, base.base);
97	}
98
be4fc046	99	extern void vlv_enable_dsi_pll(struct intel_encoder *encoder);
	100	extern void vlv_disable_dsi_pll(struct intel_encoder *encoder);
	101
f5e11b06	102	#endif /* _INTEL_DSI_H */