linux_kernel/drivers/gpu/drm/omapdrm/dss/omapdss.h

/*
 * Copyright (C) 2016 Texas Instruments
 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License 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.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __OMAP_DRM_DSS_H
#define __OMAP_DRM_DSS_H

#include <video/omapdss.h>

u32 dispc_read_irqstatus(void);
void dispc_clear_irqstatus(u32 mask);
u32 dispc_read_irqenable(void);
void dispc_write_irqenable(u32 mask);

int dispc_request_irq(irq_handler_t handler, void *dev_id);
void dispc_free_irq(void *dev_id);

int dispc_runtime_get(void);
void dispc_runtime_put(void);

void dispc_mgr_enable(enum omap_channel channel, bool enable);
bool dispc_mgr_is_enabled(enum omap_channel channel);
u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel);
bool dispc_mgr_go_busy(enum omap_channel channel);
void dispc_mgr_go(enum omap_channel channel);
void dispc_mgr_set_lcd_config(enum omap_channel channel,
		const struct dss_lcd_mgr_config *config);
void dispc_mgr_set_timings(enum omap_channel channel,
		const struct omap_video_timings *timings);
void dispc_mgr_setup(enum omap_channel channel,
		const struct omap_overlay_manager_info *info);

int dispc_ovl_enable(enum omap_plane plane, bool enable);
bool dispc_ovl_enabled(enum omap_plane plane);
void dispc_ovl_set_channel_out(enum omap_plane plane,
		enum omap_channel channel);
int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
		bool replication, const struct omap_video_timings *mgr_timings,
		bool mem_to_mem);

enum omap_dss_output_id dispc_mgr_get_supported_outputs(enum omap_channel channel);

struct dss_mgr_ops {
	int (*connect)(enum omap_channel channel,
		struct omap_dss_device *dst);
	void (*disconnect)(enum omap_channel channel,
		struct omap_dss_device *dst);

	void (*start_update)(enum omap_channel channel);
	int (*enable)(enum omap_channel channel);
	void (*disable)(enum omap_channel channel);
	void (*set_timings)(enum omap_channel channel,
			const struct omap_video_timings *timings);
	void (*set_lcd_config)(enum omap_channel channel,
			const struct dss_lcd_mgr_config *config);
	int (*register_framedone_handler)(enum omap_channel channel,
			void (*handler)(void *), void *data);
	void (*unregister_framedone_handler)(enum omap_channel channel,
			void (*handler)(void *), void *data);
};

int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops);
void dss_uninstall_mgr_ops(void);

int dss_mgr_connect(enum omap_channel channel,
		struct omap_dss_device *dst);
void dss_mgr_disconnect(enum omap_channel channel,
		struct omap_dss_device *dst);
void dss_mgr_set_timings(enum omap_channel channel,
		const struct omap_video_timings *timings);
void dss_mgr_set_lcd_config(enum omap_channel channel,
		const struct dss_lcd_mgr_config *config);
int dss_mgr_enable(enum omap_channel channel);
void dss_mgr_disable(enum omap_channel channel);
void dss_mgr_start_update(enum omap_channel channel);
int dss_mgr_register_framedone_handler(enum omap_channel channel,
		void (*handler)(void *), void *data);
void dss_mgr_unregister_framedone_handler(enum omap_channel channel,
		void (*handler)(void *), void *data);

#endif /* __OMAP_DRM_DSS_H */