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91884734 KD |
1 | /* |
2 | * Samsung S5P G2D - 2D Graphics Accelerator Driver | |
3 | * | |
4 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | |
5 | * Kamil Debski, <k.debski@samsung.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2 of the | |
10 | * License, or (at your option) any later version | |
11 | */ | |
12 | ||
13 | #include <media/v4l2-device.h> | |
14 | #include <media/v4l2-ctrls.h> | |
15 | ||
16 | #define G2D_NAME "s5p-g2d" | |
17 | ||
18 | struct g2d_dev { | |
19 | struct v4l2_device v4l2_dev; | |
20 | struct v4l2_m2m_dev *m2m_dev; | |
21 | struct video_device *vfd; | |
22 | struct mutex mutex; | |
23 | spinlock_t irqlock; | |
24 | atomic_t num_inst; | |
25 | struct vb2_alloc_ctx *alloc_ctx; | |
26 | struct resource *res_regs; | |
27 | void __iomem *regs; | |
28 | struct clk *clk; | |
29 | struct clk *gate; | |
30 | struct g2d_ctx *curr; | |
31 | int irq; | |
32 | wait_queue_head_t irq_queue; | |
33 | }; | |
34 | ||
35 | struct g2d_frame { | |
36 | /* Original dimensions */ | |
37 | u32 width; | |
38 | u32 height; | |
39 | /* Crop size */ | |
40 | u32 c_width; | |
41 | u32 c_height; | |
42 | /* Offset */ | |
43 | u32 o_width; | |
44 | u32 o_height; | |
45 | /* Image format */ | |
46 | struct g2d_fmt *fmt; | |
47 | /* Variables that can calculated once and reused */ | |
48 | u32 stride; | |
49 | u32 bottom; | |
50 | u32 right; | |
51 | u32 size; | |
52 | }; | |
53 | ||
54 | struct g2d_ctx { | |
55 | struct v4l2_fh fh; | |
56 | struct g2d_dev *dev; | |
57 | struct v4l2_m2m_ctx *m2m_ctx; | |
58 | struct g2d_frame in; | |
59 | struct g2d_frame out; | |
d0d28326 SK |
60 | struct v4l2_ctrl *ctrl_hflip; |
61 | struct v4l2_ctrl *ctrl_vflip; | |
91884734 KD |
62 | struct v4l2_ctrl_handler ctrl_handler; |
63 | u32 rop; | |
d0d28326 | 64 | u32 flip; |
91884734 KD |
65 | }; |
66 | ||
67 | struct g2d_fmt { | |
68 | char *name; | |
69 | u32 fourcc; | |
70 | int depth; | |
71 | u32 hw; | |
72 | }; | |
73 | ||
74 | ||
75 | void g2d_reset(struct g2d_dev *d); | |
76 | void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f); | |
77 | void g2d_set_src_addr(struct g2d_dev *d, dma_addr_t a); | |
78 | void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f); | |
79 | void g2d_set_dst_addr(struct g2d_dev *d, dma_addr_t a); | |
80 | void g2d_start(struct g2d_dev *d); | |
81 | void g2d_clear_int(struct g2d_dev *d); | |
82 | void g2d_set_rop4(struct g2d_dev *d, u32 r); | |
d0d28326 | 83 | void g2d_set_flip(struct g2d_dev *d, u32 r); |
91884734 KD |
84 | u32 g2d_cmd_stretch(u32 e); |
85 | void g2d_set_cmd(struct g2d_dev *d, u32 c); | |
86 | ||
87 |