1/*-
2 * Copyright 1992-2015 Michal Meloun
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/arm/nvidia/drm2/tegra_drm.h 310600 2016-12-26 14:36:05Z mmel $
27 */
28#ifndef _TEGRA_DRM_H_
29#define _TEGRA_DRM_H_
30
31#include <dev/gpio/gpiobusvar.h>
32
33struct tegra_bo {
34 	struct drm_gem_object	gem_obj;
35	/* mapped memory buffer */
36	vm_paddr_t		pbase;
37	vm_offset_t		vbase;
38	size_t			npages;
39	vm_page_t 		*m;
40	vm_object_t		cdev_pager;
41};
42
43struct tegra_plane {
44	struct drm_plane	drm_plane;
45	int			index;		/* Window index */
46};
47
48struct tegra_fb {
49	struct drm_framebuffer	drm_fb;
50	struct drm_fb_helper	fb_helper;
51	struct tegra_bo		**planes;	/* Attached planes */
52	int			nplanes;
53
54	/* Surface and display geometry */
55	bool			block_linear;	/* Surface_kind */
56	uint32_t		block_height;
57	int			rotation; 	/* In degrees */
58	bool			flip_x;		/* Inverted X-axis */
59	bool			flip_y;		/* Inverted Y-axis */
60};
61
62struct tegra_crtc {
63	struct drm_crtc 	drm_crtc;
64	device_t		dev;
65	int			nvidia_head;
66	vm_paddr_t		cursor_pbase;	/* Cursor buffer */
67	vm_offset_t		cursor_vbase;
68};
69
70struct tegra_drm_encoder {
71	device_t 		dev;
72
73	void 			*panel;		/* XXX For LVDS panel */
74	device_t  		ddc;
75	struct edid 		*edid;
76
77	gpio_pin_t		gpio_hpd;
78
79	struct drm_encoder 	encoder;
80	struct drm_connector 	connector;
81	int			(*setup_clock)(struct tegra_drm_encoder *output,
82				    clk_t clk, uint64_t pclk);
83};
84
85struct tegra_drm {
86	struct drm_device 	drm_dev;
87	struct tegra_fb 	*fb;		/* Prime framebuffer */
88	int			pitch_align;
89};
90
91/* tegra_drm_subr.c */
92int tegra_drm_encoder_attach(struct tegra_drm_encoder *output, phandle_t node);
93int tegra_drm_encoder_init(struct tegra_drm_encoder *output,
94    struct tegra_drm *drm);
95int tegra_drm_encoder_exit(struct tegra_drm_encoder *output,
96    struct tegra_drm *drm);
97enum drm_connector_status tegra_drm_connector_detect(
98    struct drm_connector *connector, bool force);
99int tegra_drm_connector_get_modes(struct drm_connector *connector);
100struct drm_encoder *tegra_drm_connector_best_encoder(
101    struct drm_connector *connector);
102
103/* tegra_dc.c */
104void tegra_dc_cancel_page_flip(struct drm_crtc *drm_crtc,
105    struct drm_file *file);
106void tegra_dc_enable_vblank(struct drm_crtc *drm_crtc);
107void tegra_dc_disable_vblank(struct drm_crtc *drm_crtc);
108int tegra_dc_get_pipe(struct drm_crtc *drm_crtc);
109
110/* tegra_fb.c */
111struct fb_info *tegra_drm_fb_getinfo(struct drm_device *drm);
112struct tegra_bo *tegra_fb_get_plane(struct tegra_fb *fb, int idx);
113int tegra_drm_fb_create(struct drm_device *drm, struct drm_file *file,
114    struct drm_mode_fb_cmd2 *cmd, struct drm_framebuffer **fb_res);
115int tegra_drm_fb_init(struct drm_device *drm);
116void tegra_drm_fb_destroy(struct drm_device *drm);
117
118
119/* tegra_bo.c */
120struct tegra_bo;
121int tegra_bo_create(struct drm_device *drm, size_t size,
122    struct tegra_bo **res_bo);
123void tegra_bo_driver_register(struct drm_driver *drm_drv);
124
125#endif /* _TEGRA_DRM_H_ */
126