[deliverable/linux.git] / drivers / staging / omapdrm / omap_drv.h

/*
 * drivers/staging/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 <video/omapdss.h>
#include <linux/module.h>
#include <linux/types.h>
#include <drm/drmP.h>
#include "omap_drm.h"
#include "omap_priv.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"

/* max # of mapper-id's that can be assigned.. todo, come up with a better
 * (but still inexpensive) way to store/access per-buffer mapper private
 * data..
 */
#define MAX_MAPPERS 2

struct omap_drm_private {
	unsigned int num_crtcs;
	struct drm_crtc *crtcs[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 drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
void omap_fbdev_free(struct drm_device *dev);

struct drm_crtc *omap_crtc_init(struct drm_device *dev,
		struct omap_overlay *ovl, int id);
struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc);

struct drm_encoder *omap_encoder_init(struct drm_device *dev,
		struct omap_overlay_manager *mgr);
struct omap_overlay_manager *omap_encoder_get_manager(
		struct drm_encoder *encoder);
struct drm_encoder *omap_connector_attached_encoder(
		struct drm_connector *connector);
enum drm_connector_status omap_connector_detect(
		struct drm_connector *connector, bool force);

struct drm_connector *omap_connector_init(struct drm_device *dev,
		int connector_type, struct omap_dss_device *dssdev);
void omap_connector_mode_set(struct drm_connector *connector,
		struct drm_display_mode *mode);
void omap_connector_flush(struct drm_connector *connector,
		int x, int y, int w, int h);

struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
		struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd);
struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
		struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo);
struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb);
int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
		void **vaddr, dma_addr_t *paddr, unsigned int *screen_width);
struct drm_connector *omap_framebuffer_get_next_connector(
		struct drm_framebuffer *fb, struct drm_connector *from);
void omap_framebuffer_flush(struct drm_framebuffer *fb,
		int x, int y, int w, int h);

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);
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);
int omap_gem_init_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_destroy(struct drm_file *file, struct drm_device *dev,
		uint32_t handle);
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_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
		void (*fxn)(void *arg), void *arg);
int omap_gem_get_paddr(struct drm_gem_object *obj,
		dma_addr_t *paddr, bool remap);
int omap_gem_put_paddr(struct drm_gem_object *obj);
uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
size_t omap_gem_mmap_size(struct drm_gem_object *obj);

static inline int align_pitch(int pitch, int width, int bpp)
{
	int bytespp = (bpp + 7) / 8;
	/* in case someone tries to feed us a completely bogus stride: */
	pitch = max(pitch, width * bytespp);
	/* PVR needs alignment to 8 pixels.. right now that is the most
	 * restrictive stride requirement..
	 */
	return ALIGN(pitch, 8 * bytespp);
}

#endif /* __OMAP_DRV_H__ */
Commit	Line	Data
cd5351f4 RC	1	/*
	2	* drivers/staging/omapdrm/omap_drv.h
	3	*
	4	* Copyright (C) 2011 Texas Instruments
	5	* Author: Rob Clark <rob@ti.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License version 2 as published by
	9	* the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful, but WITHOUT
	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	* more details.
	15	*
	16	* You should have received a copy of the GNU General Public License along with
	17	* this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#ifndef __OMAP_DRV_H__
	21	#define __OMAP_DRV_H__
	22
	23	#include <video/omapdss.h>
	24	#include <linux/module.h>
	25	#include <linux/types.h>
	26	#include <drm/drmP.h>
	27	#include "omap_drm.h"
	28	#include "omap_priv.h"
	29
	30	#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
	31	#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
	32
	33	#define MODULE_NAME "omapdrm"
	34
	35	/* max # of mapper-id's that can be assigned.. todo, come up with a better
	36	* (but still inexpensive) way to store/access per-buffer mapper private
	37	* data..
	38	*/
	39	#define MAX_MAPPERS 2
	40
	41	struct omap_drm_private {
	42	unsigned int num_crtcs;
	43	struct drm_crtc *crtcs[8];
	44	unsigned int num_encoders;
	45	struct drm_encoder *encoders[8];
	46	unsigned int num_connectors;
	47	struct drm_connector *connectors[8];
	48
	49	struct drm_fb_helper *fbdev;
	50	};
	51
	52	struct drm_fb_helper omap_fbdev_init(struct drm_device dev);
	53	void omap_fbdev_free(struct drm_device *dev);
	54
	55	struct drm_crtc omap_crtc_init(struct drm_device dev,
	56	struct omap_overlay *ovl, int id);
	57	struct omap_overlay omap_crtc_get_overlay(struct drm_crtc crtc);
	58
	59	struct drm_encoder omap_encoder_init(struct drm_device dev,
	60	struct omap_overlay_manager *mgr);
	61	struct omap_overlay_manager *omap_encoder_get_manager(
	62	struct drm_encoder *encoder);
	63	struct drm_encoder *omap_connector_attached_encoder(
	64	struct drm_connector *connector);
65	enum drm_connector_status omap_connector_detect(
66	struct drm_connector *connector, bool force);
67
68	struct drm_connector omap_connector_init(struct drm_device dev,
69	int connector_type, struct omap_dss_device *dssdev);
70	void omap_connector_mode_set(struct drm_connector *connector,
71	struct drm_display_mode *mode);
72	void omap_connector_flush(struct drm_connector *connector,
73	int x, int y, int w, int h);
74
75	struct drm_framebuffer omap_framebuffer_create(struct drm_device dev,
76	struct drm_file file, struct drm_mode_fb_cmd mode_cmd);
77	struct drm_framebuffer omap_framebuffer_init(struct drm_device dev,
78	struct drm_mode_fb_cmd mode_cmd, struct drm_gem_object bo);
79	struct drm_gem_object omap_framebuffer_bo(struct drm_framebuffer fb);
80	int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
81	void *vaddr, dma_addr_t paddr, unsigned int *screen_width);
82	struct drm_connector *omap_framebuffer_get_next_connector(
83	struct drm_framebuffer fb, struct drm_connector from);
84	void omap_framebuffer_flush(struct drm_framebuffer *fb,
85	int x, int y, int w, int h);
86
f7f9f453 RC	87	void omap_gem_init(struct drm_device *dev);
f7f9f453 RC	88	void omap_gem_deinit(struct drm_device *dev);
cd5351f4 RC	89
	90	struct drm_gem_object omap_gem_new(struct drm_device dev,
	91	union omap_gem_size gsize, uint32_t flags);
	92	int omap_gem_new_handle(struct drm_device dev, struct drm_file file,
	93	union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
	94	void omap_gem_free_object(struct drm_gem_object *obj);
	95	int omap_gem_init_object(struct drm_gem_object *obj);
	96	void omap_gem_vaddr(struct drm_gem_object obj);
	97	int omap_gem_dumb_map_offset(struct drm_file file, struct drm_device dev,
	98	uint32_t handle, uint64_t *offset);
	99	int omap_gem_dumb_destroy(struct drm_file file, struct drm_device dev,
	100	uint32_t handle);
	101	int omap_gem_dumb_create(struct drm_file file, struct drm_device dev,
	102	struct drm_mode_create_dumb *args);
	103	int omap_gem_mmap(struct file filp, struct vm_area_struct vma);
	104	int omap_gem_fault(struct vm_area_struct vma, struct vm_fault vmf);
	105	int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
	106	int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
	107	int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
	108	int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
	109	void (fxn)(void arg), void *arg);
	110	int omap_gem_get_paddr(struct drm_gem_object *obj,
	111	dma_addr_t *paddr, bool remap);
	112	int omap_gem_put_paddr(struct drm_gem_object *obj);
	113	uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
f7f9f453	114	size_t omap_gem_mmap_size(struct drm_gem_object *obj);
cd5351f4 RC	115
	116	static inline int align_pitch(int pitch, int width, int bpp)
	117	{
	118	int bytespp = (bpp + 7) / 8;
	119	/* in case someone tries to feed us a completely bogus stride: */
	120	pitch = max(pitch, width * bytespp);
	121	/* PVR needs alignment to 8 pixels.. right now that is the most
	122	* restrictive stride requirement..
	123	*/
	124	return ALIGN(pitch, 8 * bytespp);
	125	}
	126
	127	#endif /* __OMAP_DRV_H__ */