drivers/gpu/drm/omapdrm/omap_drv.h - arm/linux - Git at Google


            
            /*

            
             * drivers/gpu/drm/omapdrm/omap_drv.h

            
             *

            
             * Copyright (C) 2011 Texas Instruments

            
             * Author: Rob Clark <rob@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_DRV_H__

            
            #define __OMAP_DRV_H__


            #include <linux/module.h>

            
            #include <linux/types.h>

            
            #include <linux/workqueue.h>


            #include <drm/drmP.h>

            
            #include <drm/drm_crtc_helper.h>

            
            #include <drm/drm_gem.h>

            
            #include <drm/omap_drm.h>


            #include "dss/omapdss.h"


            #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)

            
            #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */


            #define MODULE_NAME     "omapdrm"


            struct omap_drm_usergart;


            /* For KMS code that needs to wait for a certain # of IRQs:

            
             */

            
            struct omap_irq_wait;

            
            struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,

            
            		uint32_t irqmask, int count);

            
            int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,

            
            		unsigned long timeout);


            struct omap_drm_private {

            
            	uint32_t omaprev;


            	const struct dispc_ops *dispc_ops;


            	unsigned int num_crtcs;

            
            	struct drm_crtc *crtcs[8];


            	unsigned int num_planes;

            
            	struct drm_plane *planes[8];


            	unsigned int num_encoders;

            
            	struct drm_encoder *encoders[8];


            	unsigned int num_connectors;

            
            	struct drm_connector *connectors[8];


            	struct drm_fb_helper *fbdev;


            	struct workqueue_struct *wq;


            	/* lock for obj_list below */

            
            	spinlock_t list_lock;


            	/* list of GEM objects: */

            
            	struct list_head obj_list;


            	struct omap_drm_usergart *usergart;

            
            	bool has_dmm;


            	/* properties: */

            
            	struct drm_property *zorder_prop;


            	/* irq handling: */

            
            	spinlock_t wait_lock;		/* protects the wait_list */

            
            	struct list_head wait_list;	/* list of omap_irq_wait */

            
            	uint32_t irq_mask;		/* enabled irqs in addition to wait_list */

            
            };


            #ifdef CONFIG_DEBUG_FS

            
            int omap_debugfs_init(struct drm_minor *minor);

            
            void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);

            
            void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);

            
            void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);

            
            #endif


            #ifdef CONFIG_PM

            
            int omap_gem_resume(struct device *dev);

            
            #endif


            int omap_irq_enable_vblank(struct drm_crtc *crtc);

            
            void omap_irq_disable_vblank(struct drm_crtc *crtc);

            
            void omap_drm_irq_uninstall(struct drm_device *dev);

            
            int omap_drm_irq_install(struct drm_device *dev);


            #ifdef CONFIG_DRM_FBDEV_EMULATION

            
            struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);

            
            void omap_fbdev_free(struct drm_device *dev);

            
            #else

            
            static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)

            
            {

            
            	return NULL;

            
            }

            
            static inline void omap_fbdev_free(struct drm_device *dev)

            
            {

            
            }

            
            #endif


            struct videomode *omap_crtc_timings(struct drm_crtc *crtc);

            
            enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);

            
            void omap_crtc_pre_init(void);

            
            void omap_crtc_pre_uninit(void);

            
            struct drm_crtc *omap_crtc_init(struct drm_device *dev,

            
            		struct drm_plane *plane, struct omap_dss_device *dssdev);

            
            int omap_crtc_wait_pending(struct drm_crtc *crtc);

            
            void omap_crtc_error_irq(struct drm_crtc *crtc, uint32_t irqstatus);

            
            void omap_crtc_vblank_irq(struct drm_crtc *crtc);


            struct drm_plane *omap_plane_init(struct drm_device *dev,

            
            		int idx, enum drm_plane_type type,

            
            		u32 possible_crtcs);

            
            void omap_plane_install_properties(struct drm_plane *plane,

            
            		struct drm_mode_object *obj);


            struct drm_encoder *omap_encoder_init(struct drm_device *dev,

            
            		struct omap_dss_device *dssdev);


            struct drm_connector *omap_connector_init(struct drm_device *dev,

            
            		int connector_type, struct omap_dss_device *dssdev,

            
            		struct drm_encoder *encoder);

            
            struct drm_encoder *omap_connector_attached_encoder(

            
            		struct drm_connector *connector);

            
            bool omap_connector_get_hdmi_mode(struct drm_connector *connector);


            struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,

            
            		struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);

            
            struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,

            
            		const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);

            
            int omap_framebuffer_pin(struct drm_framebuffer *fb);

            
            void omap_framebuffer_unpin(struct drm_framebuffer *fb);

            
            void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,

            
            		struct drm_plane_state *state, struct omap_overlay_info *info);

            
            struct drm_connector *omap_framebuffer_get_next_connector(

            
            		struct drm_framebuffer *fb, struct drm_connector *from);

            
            bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb);


            void omap_gem_init(struct drm_device *dev);

            
            void omap_gem_deinit(struct drm_device *dev);


            struct drm_gem_object *omap_gem_new(struct drm_device *dev,

            
            		union omap_gem_size gsize, uint32_t flags);

            
            struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,

            
            		struct sg_table *sgt);

            
            int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,

            
            		union omap_gem_size gsize, uint32_t flags, uint32_t *handle);

            
            void omap_gem_free_object(struct drm_gem_object *obj);

            
            void *omap_gem_vaddr(struct drm_gem_object *obj);

            
            int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,

            
            		uint32_t handle, uint64_t *offset);

            
            int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,

            
            		struct drm_mode_create_dumb *args);

            
            int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);

            
            int omap_gem_mmap_obj(struct drm_gem_object *obj,

            
            		struct vm_area_struct *vma);

            
            int omap_gem_fault(struct vm_fault *vmf);

            
            int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);

            
            void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);

            
            void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,

            
            		enum dma_data_direction dir);

            
            int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);

            
            void omap_gem_unpin(struct drm_gem_object *obj);

            
            int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,

            
            		bool remap);

            
            int omap_gem_put_pages(struct drm_gem_object *obj);

            
            uint32_t omap_gem_flags(struct drm_gem_object *obj);

            
            int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, uint32_t orient,

            
            		int x, int y, dma_addr_t *dma_addr);

            
            uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);

            
            size_t omap_gem_mmap_size(struct drm_gem_object *obj);

            
            int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);


            struct dma_buf *omap_gem_prime_export(struct drm_device *dev,

            
            		struct drm_gem_object *obj, int flags);

            
            struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,

            
            		struct dma_buf *buffer);


            /* map crtc to vblank mask */

            
            struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);


            #endif /* __OMAP_DRV_H__ */
	/*
	* drivers/gpu/drm/omapdrm/omap_drv.h
	*
	* Copyright (C) 2011 Texas Instruments
	* Author: Rob Clark <rob@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_DRV_H__
	#define __OMAP_DRV_H__

	#include <linux/module.h>
	#include <linux/types.h>
	#include <linux/workqueue.h>

	#include <drm/drmP.h>
	#include <drm/drm_crtc_helper.h>
	#include <drm/drm_gem.h>
	#include <drm/omap_drm.h>

	#include "dss/omapdss.h"

	#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
	#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */

	#define MODULE_NAME "omapdrm"

	struct omap_drm_usergart;

	/* For KMS code that needs to wait for a certain # of IRQs:
	*/
	struct omap_irq_wait;
	struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
	uint32_t irqmask, int count);
	int omap_irq_wait(struct drm_device dev, struct omap_irq_wait wait,
	unsigned long timeout);

	struct omap_drm_private {
	uint32_t omaprev;

	const struct dispc_ops *dispc_ops;

	unsigned int num_crtcs;
	struct drm_crtc *crtcs[8];

	unsigned int num_planes;
	struct drm_plane *planes[8];

	unsigned int num_encoders;
	struct drm_encoder *encoders[8];

	unsigned int num_connectors;
	struct drm_connector *connectors[8];

	struct drm_fb_helper *fbdev;

	struct workqueue_struct *wq;

	/* lock for obj_list below */
	spinlock_t list_lock;

	/* list of GEM objects: */
	struct list_head obj_list;

	struct omap_drm_usergart *usergart;
	bool has_dmm;

	/* properties: */
	struct drm_property *zorder_prop;

	/* irq handling: */
	spinlock_t wait_lock; /* protects the wait_list */
	struct list_head wait_list; /* list of omap_irq_wait */
	uint32_t irq_mask; /* enabled irqs in addition to wait_list */
	};


	#ifdef CONFIG_DEBUG_FS
	int omap_debugfs_init(struct drm_minor *minor);
	void omap_framebuffer_describe(struct drm_framebuffer fb, struct seq_file m);
	void omap_gem_describe(struct drm_gem_object obj, struct seq_file m);
	void omap_gem_describe_objects(struct list_head list, struct seq_file m);
	#endif

	#ifdef CONFIG_PM
	int omap_gem_resume(struct device *dev);
	#endif

	int omap_irq_enable_vblank(struct drm_crtc *crtc);
	void omap_irq_disable_vblank(struct drm_crtc *crtc);
	void omap_drm_irq_uninstall(struct drm_device *dev);
	int omap_drm_irq_install(struct drm_device *dev);

	#ifdef CONFIG_DRM_FBDEV_EMULATION
	struct drm_fb_helper omap_fbdev_init(struct drm_device dev);
	void omap_fbdev_free(struct drm_device *dev);
	#else
	static inline struct drm_fb_helper omap_fbdev_init(struct drm_device dev)
	{
	return NULL;
	}
	static inline void omap_fbdev_free(struct drm_device *dev)
	{
	}
	#endif

	struct videomode omap_crtc_timings(struct drm_crtc crtc);
	enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
	void omap_crtc_pre_init(void);
	void omap_crtc_pre_uninit(void);
	struct drm_crtc omap_crtc_init(struct drm_device dev,
	struct drm_plane plane, struct omap_dss_device dssdev);
	int omap_crtc_wait_pending(struct drm_crtc *crtc);
	void omap_crtc_error_irq(struct drm_crtc *crtc, uint32_t irqstatus);
	void omap_crtc_vblank_irq(struct drm_crtc *crtc);

	struct drm_plane omap_plane_init(struct drm_device dev,
	int idx, enum drm_plane_type type,
	u32 possible_crtcs);
	void omap_plane_install_properties(struct drm_plane *plane,
	struct drm_mode_object *obj);

	struct drm_encoder omap_encoder_init(struct drm_device dev,
	struct omap_dss_device *dssdev);

	struct drm_connector omap_connector_init(struct drm_device dev,
	int connector_type, struct omap_dss_device *dssdev,
	struct drm_encoder *encoder);
	struct drm_encoder *omap_connector_attached_encoder(
	struct drm_connector *connector);
	bool omap_connector_get_hdmi_mode(struct drm_connector *connector);

	struct drm_framebuffer omap_framebuffer_create(struct drm_device dev,
	struct drm_file file, const struct drm_mode_fb_cmd2 mode_cmd);
	struct drm_framebuffer omap_framebuffer_init(struct drm_device dev,
	const struct drm_mode_fb_cmd2 mode_cmd, struct drm_gem_object *bos);
	int omap_framebuffer_pin(struct drm_framebuffer *fb);
	void omap_framebuffer_unpin(struct drm_framebuffer *fb);
	void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
	struct drm_plane_state state, struct omap_overlay_info info);
	struct drm_connector *omap_framebuffer_get_next_connector(
	struct drm_framebuffer fb, struct drm_connector from);
	bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb);

	void omap_gem_init(struct drm_device *dev);
	void omap_gem_deinit(struct drm_device *dev);

	struct drm_gem_object omap_gem_new(struct drm_device dev,
	union omap_gem_size gsize, uint32_t flags);
	struct drm_gem_object omap_gem_new_dmabuf(struct drm_device dev, size_t size,
	struct sg_table *sgt);
	int omap_gem_new_handle(struct drm_device dev, struct drm_file file,
	union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
	void omap_gem_free_object(struct drm_gem_object *obj);
	void omap_gem_vaddr(struct drm_gem_object obj);
	int omap_gem_dumb_map_offset(struct drm_file file, struct drm_device dev,
	uint32_t handle, uint64_t *offset);
	int omap_gem_dumb_create(struct drm_file file, struct drm_device dev,
	struct drm_mode_create_dumb *args);
	int omap_gem_mmap(struct file filp, struct vm_area_struct vma);
	int omap_gem_mmap_obj(struct drm_gem_object *obj,
	struct vm_area_struct *vma);
	int omap_gem_fault(struct vm_fault *vmf);
	int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
	void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
	void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
	enum dma_data_direction dir);
	int omap_gem_pin(struct drm_gem_object obj, dma_addr_t dma_addr);
	void omap_gem_unpin(struct drm_gem_object *obj);
	int omap_gem_get_pages(struct drm_gem_object obj, struct page **pages,
	bool remap);
	int omap_gem_put_pages(struct drm_gem_object *obj);
	uint32_t omap_gem_flags(struct drm_gem_object *obj);
	int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, uint32_t orient,
	int x, int y, dma_addr_t *dma_addr);
	uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
	size_t omap_gem_mmap_size(struct drm_gem_object *obj);
	int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);

	struct dma_buf omap_gem_prime_export(struct drm_device dev,
	struct drm_gem_object *obj, int flags);
	struct drm_gem_object omap_gem_prime_import(struct drm_device dev,
	struct dma_buf *buffer);

	/* map crtc to vblank mask */
	struct omap_dss_device omap_encoder_get_dssdev(struct drm_encoder encoder);

	#endif /* __OMAP_DRV_H__ */