[linux-2.6-block.git] / drivers / gpu / drm / msm / dsi / dsi.h

/*
 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __DSI_CONNECTOR_H__
#define __DSI_CONNECTOR_H__

#include <linux/of_platform.h>
#include <linux/platform_device.h>

#include "drm_crtc.h"
#include "drm_mipi_dsi.h"
#include "drm_panel.h"

#include "msm_drv.h"

#define DSI_0	0
#define DSI_1	1
#define DSI_MAX	2

enum msm_dsi_phy_type {
	MSM_DSI_PHY_28NM_HPM,
	MSM_DSI_PHY_28NM_LP,
	MSM_DSI_PHY_20NM,
	MSM_DSI_PHY_MAX
};

#define DSI_DEV_REGULATOR_MAX	8

/* Regulators for DSI devices */
struct dsi_reg_entry {
	char name[32];
	int min_voltage;
	int max_voltage;
	int enable_load;
	int disable_load;
};

struct dsi_reg_config {
	int num;
	struct dsi_reg_entry regs[DSI_DEV_REGULATOR_MAX];
};

struct msm_dsi {
	struct drm_device *dev;
	struct platform_device *pdev;

	struct drm_connector *connector;
	struct drm_bridge *bridge;

	struct mipi_dsi_host *host;
	struct msm_dsi_phy *phy;
	struct drm_panel *panel;
	unsigned long device_flags;

	struct device *phy_dev;
	bool phy_enabled;

	/* the encoders we are hooked to (outside of dsi block) */
	struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM];

	int id;
};

/* dsi manager */
struct drm_bridge *msm_dsi_manager_bridge_init(u8 id);
void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge);
struct drm_connector *msm_dsi_manager_connector_init(u8 id);
int msm_dsi_manager_phy_enable(int id,
		const unsigned long bit_rate, const unsigned long esc_rate,
		u32 *clk_pre, u32 *clk_post);
void msm_dsi_manager_phy_disable(int id);
int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 iova, u32 len);
int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);

/* msm dsi */
struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi);

/* dsi pll */
struct msm_dsi_pll;
#ifdef CONFIG_DRM_MSM_DSI_PLL
struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
			enum msm_dsi_phy_type type, int dsi_id);
void msm_dsi_pll_destroy(struct msm_dsi_pll *pll);
int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
	struct clk **byte_clk_provider, struct clk **pixel_clk_provider);
void msm_dsi_pll_save_state(struct msm_dsi_pll *pll);
int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll);
#else
static inline struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
			 enum msm_dsi_phy_type type, int id) {
	return ERR_PTR(-ENODEV);
}
static inline void msm_dsi_pll_destroy(struct msm_dsi_pll *pll)
{
}
static inline int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
	struct clk **byte_clk_provider, struct clk **pixel_clk_provider)
{
	return -ENODEV;
}
static inline void msm_dsi_pll_save_state(struct msm_dsi_pll *pll)
{
}
static inline int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll)
{
	return 0;
}
#endif

/* dsi host */
int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
					const struct mipi_dsi_msg *msg);
void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
					const struct mipi_dsi_msg *msg);
int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
					const struct mipi_dsi_msg *msg);
int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
					const struct mipi_dsi_msg *msg);
void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
					u32 iova, u32 len);
int msm_dsi_host_enable(struct mipi_dsi_host *host);
int msm_dsi_host_disable(struct mipi_dsi_host *host);
int msm_dsi_host_power_on(struct mipi_dsi_host *host);
int msm_dsi_host_power_off(struct mipi_dsi_host *host);
int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
					struct drm_display_mode *mode);
struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host,
					unsigned long *panel_flags);
int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer);
void msm_dsi_host_unregister(struct mipi_dsi_host *host);
int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
			struct msm_dsi_pll *src_pll);
void msm_dsi_host_destroy(struct mipi_dsi_host *host);
int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
					struct drm_device *dev);
int msm_dsi_host_init(struct msm_dsi *msm_dsi);

/* dsi phy */
struct msm_dsi_phy;
void msm_dsi_phy_driver_register(void);
void msm_dsi_phy_driver_unregister(void);
int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
	const unsigned long bit_rate, const unsigned long esc_rate);
int msm_dsi_phy_disable(struct msm_dsi_phy *phy);
void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy,
					u32 *clk_pre, u32 *clk_post);
struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy);

#endif /* __DSI_CONNECTOR_H__ */
Commit	Line	Data
a689554b HL	1	/*
	2	* Copyright (c) 2015, The Linux Foundation. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 and
	6	* only version 2 as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*/
	13
	14	#ifndef __DSI_CONNECTOR_H__
	15	#define __DSI_CONNECTOR_H__
	16
ec31abf6	17	#include <linux/of_platform.h>
a689554b HL	18	#include <linux/platform_device.h>
	19
	20	#include "drm_crtc.h"
	21	#include "drm_mipi_dsi.h"
	22	#include "drm_panel.h"
	23
	24	#include "msm_drv.h"
	25
	26	#define DSI_0 0
	27	#define DSI_1 1
	28	#define DSI_MAX 2
	29
9d32c498	30	enum msm_dsi_phy_type {
9d32c498 HL	31	MSM_DSI_PHY_28NM_HPM,
9d32c498 HL	32	MSM_DSI_PHY_28NM_LP,
dcefc117	33	MSM_DSI_PHY_20NM,
9d32c498 HL	34	MSM_DSI_PHY_MAX
	35	};
	36
ec31abf6 HL	37	#define DSI_DEV_REGULATOR_MAX 8
	38
	39	/* Regulators for DSI devices */
	40	struct dsi_reg_entry {
	41	char name[32];
	42	int min_voltage;
	43	int max_voltage;
	44	int enable_load;
	45	int disable_load;
	46	};
	47
	48	struct dsi_reg_config {
	49	int num;
	50	struct dsi_reg_entry regs[DSI_DEV_REGULATOR_MAX];
	51	};
	52
a689554b HL	53	struct msm_dsi {
	54	struct drm_device *dev;
	55	struct platform_device *pdev;
	56
	57	struct drm_connector *connector;
	58	struct drm_bridge *bridge;
	59
	60	struct mipi_dsi_host *host;
	61	struct msm_dsi_phy *phy;
	62	struct drm_panel *panel;
a9ddac9c	63	unsigned long device_flags;
9d32c498	64
ec31abf6	65	struct device *phy_dev;
a689554b HL	66	bool phy_enabled;
	67
	68	/* the encoders we are hooked to (outside of dsi block) */
	69	struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM];
	70
	71	int id;
	72	};
	73
	74	/* dsi manager */
	75	struct drm_bridge *msm_dsi_manager_bridge_init(u8 id);
	76	void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge);
	77	struct drm_connector *msm_dsi_manager_connector_init(u8 id);
	78	int msm_dsi_manager_phy_enable(int id,
	79	const unsigned long bit_rate, const unsigned long esc_rate,
	80	u32 clk_pre, u32 clk_post);
	81	void msm_dsi_manager_phy_disable(int id);
	82	int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
	83	bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 iova, u32 len);
	84	int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
	85	void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
	86
	87	/* msm dsi */
	88	struct drm_encoder msm_dsi_get_encoder(struct msm_dsi msm_dsi);
	89
9d32c498 HL	90	/* dsi pll */
	91	struct msm_dsi_pll;
	92	#ifdef CONFIG_DRM_MSM_DSI_PLL
	93	struct msm_dsi_pll msm_dsi_pll_init(struct platform_device pdev,
	94	enum msm_dsi_phy_type type, int dsi_id);
	95	void msm_dsi_pll_destroy(struct msm_dsi_pll *pll);
	96	int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
	97	struct clk byte_clk_provider, struct clk pixel_clk_provider);
328e1a63 HL	98	void msm_dsi_pll_save_state(struct msm_dsi_pll *pll);
328e1a63 HL	99	int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll);
9d32c498 HL	100	#else
	101	static inline struct msm_dsi_pll msm_dsi_pll_init(struct platform_device pdev,
	102	enum msm_dsi_phy_type type, int id) {
	103	return ERR_PTR(-ENODEV);
	104	}
	105	static inline void msm_dsi_pll_destroy(struct msm_dsi_pll *pll)
	106	{
	107	}
	108	static inline int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
	109	struct clk byte_clk_provider, struct clk pixel_clk_provider)
	110	{
	111	return -ENODEV;
	112	}
328e1a63 HL	113	static inline void msm_dsi_pll_save_state(struct msm_dsi_pll *pll)
	114	{
	115	}
	116	static inline int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll)
	117	{
	118	return 0;
	119	}
9d32c498 HL	120	#endif
9d32c498 HL	121
a689554b HL	122	/* dsi host */
	123	int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
	124	const struct mipi_dsi_msg *msg);
	125	void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
	126	const struct mipi_dsi_msg *msg);
	127	int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
	128	const struct mipi_dsi_msg *msg);
	129	int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
	130	const struct mipi_dsi_msg *msg);
	131	void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
	132	u32 iova, u32 len);
	133	int msm_dsi_host_enable(struct mipi_dsi_host *host);
	134	int msm_dsi_host_disable(struct mipi_dsi_host *host);
	135	int msm_dsi_host_power_on(struct mipi_dsi_host *host);
	136	int msm_dsi_host_power_off(struct mipi_dsi_host *host);
	137	int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
	138	struct drm_display_mode *mode);
	139	struct drm_panel msm_dsi_host_get_panel(struct mipi_dsi_host host,
	140	unsigned long *panel_flags);
	141	int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer);
	142	void msm_dsi_host_unregister(struct mipi_dsi_host *host);
9d32c498 HL	143	int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
9d32c498 HL	144	struct msm_dsi_pll *src_pll);
a689554b HL	145	void msm_dsi_host_destroy(struct mipi_dsi_host *host);
	146	int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
	147	struct drm_device *dev);
	148	int msm_dsi_host_init(struct msm_dsi *msm_dsi);
	149
	150	/* dsi phy */
	151	struct msm_dsi_phy;
ec31abf6 HL	152	void msm_dsi_phy_driver_register(void);
ec31abf6 HL	153	void msm_dsi_phy_driver_unregister(void);
13351cd1	154	int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
a689554b HL	155	const unsigned long bit_rate, const unsigned long esc_rate);
	156	int msm_dsi_phy_disable(struct msm_dsi_phy *phy);
	157	void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy,
	158	u32 clk_pre, u32 clk_post);
9d32c498 HL	159	struct msm_dsi_pll msm_dsi_phy_get_pll(struct msm_dsi_phy phy);
9d32c498 HL	160
a689554b HL	161	#endif /* __DSI_CONNECTOR_H__ */
a689554b HL	162