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Diffstat (limited to 'drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h')
-rw-r--r--drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h147
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h b/drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h
new file mode 100644
index 00000000000..95a637d5a52
--- /dev/null
+++ b/drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h
@@ -0,0 +1,147 @@
1/*
2 * drivers/video/tegra/dc/ext/tegra_dc_ext_priv.h
3 *
4 * Copyright (C) 2011, NVIDIA Corporation
5 *
6 * Author: Robert Morell <rmorell@nvidia.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
17 */
18
19#ifndef __TEGRA_DC_EXT_PRIV_H
20#define __TEGRA_DC_EXT_PRIV_H
21
22#include <linux/cdev.h>
23#include <linux/list.h>
24#include <linux/mutex.h>
25#include <linux/poll.h>
26
27#include <mach/dc.h>
28#include <mach/nvmap.h>
29
30#include <video/tegra_dc_ext.h>
31
32struct tegra_dc_ext;
33
34struct tegra_dc_ext_user {
35 struct tegra_dc_ext *ext;
36 struct nvmap_client *nvmap;
37};
38
39enum {
40 TEGRA_DC_Y,
41 TEGRA_DC_U,
42 TEGRA_DC_V,
43 TEGRA_DC_NUM_PLANES,
44};
45
46struct tegra_dc_ext_win {
47 struct tegra_dc_ext *ext;
48
49 int idx;
50
51 struct tegra_dc_ext_user *user;
52
53 struct mutex lock;
54
55 /* Current nvmap handle (if any) for Y, U, V planes */
56 struct nvmap_handle_ref *cur_handle[TEGRA_DC_NUM_PLANES];
57
58 struct workqueue_struct *flip_wq;
59
60 atomic_t nr_pending_flips;
61};
62
63struct tegra_dc_ext {
64 struct tegra_dc *dc;
65
66 struct cdev cdev;
67 struct device *dev;
68
69 struct nvmap_client *nvmap;
70
71 struct tegra_dc_ext_win win[DC_N_WINDOWS];
72
73 struct {
74 struct tegra_dc_ext_user *user;
75 struct nvmap_handle_ref *cur_handle;
76 struct mutex lock;
77 } cursor;
78
79 bool enabled;
80};
81
82#define TEGRA_DC_EXT_EVENT_MASK_ALL \
83 TEGRA_DC_EXT_EVENT_HOTPLUG
84
85#define TEGRA_DC_EXT_EVENT_MAX_SZ 8
86
87struct tegra_dc_ext_event_list {
88 struct tegra_dc_ext_event event;
89 /* The data field _must_ follow the event field. */
90 char data[TEGRA_DC_EXT_EVENT_MAX_SZ];
91
92 struct list_head list;
93};
94
95#define TEGRA_DC_EXT_CAPABILITIES \
96 TEGRA_DC_EXT_CAPABILITIES_CURSOR_MODE
97
98struct tegra_dc_ext_control_user {
99 struct tegra_dc_ext_control *control;
100
101 struct list_head event_list;
102 atomic_t num_events;
103
104 u32 event_mask;
105
106 struct tegra_dc_ext_event_list event_to_copy;
107 loff_t partial_copy;
108
109 struct mutex lock;
110
111 struct list_head list;
112};
113
114struct tegra_dc_ext_control {
115 struct cdev cdev;
116 struct device *dev;
117
118 struct list_head users;
119
120 struct mutex lock;
121};
122
123extern int tegra_dc_ext_devno;
124extern struct class *tegra_dc_ext_class;
125
126extern int tegra_dc_ext_pin_window(struct tegra_dc_ext_user *user, u32 id,
127 struct nvmap_handle_ref **handle,
128 dma_addr_t *phys_addr);
129
130extern int tegra_dc_ext_get_cursor(struct tegra_dc_ext_user *user);
131extern int tegra_dc_ext_put_cursor(struct tegra_dc_ext_user *user);
132extern int tegra_dc_ext_set_cursor_image(struct tegra_dc_ext_user *user,
133 struct tegra_dc_ext_cursor_image *);
134extern int tegra_dc_ext_set_cursor(struct tegra_dc_ext_user *user,
135 struct tegra_dc_ext_cursor *);
136
137extern int tegra_dc_ext_control_init(void);
138
139extern int tegra_dc_ext_queue_hotplug(struct tegra_dc_ext_control *,
140 int output);
141extern ssize_t tegra_dc_ext_event_read(struct file *filp, char __user *buf,
142 size_t size, loff_t *ppos);
143extern unsigned int tegra_dc_ext_event_poll(struct file *, poll_table *);
144
145extern int tegra_dc_ext_get_num_outputs(void);
146
147#endif /* __TEGRA_DC_EXT_PRIV_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-02 11:05:56 -0400