1 /*
2 * Rockchip isp1 driver
3 *
4 * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #ifndef _RKISP1_COMMON_H
36 #define _RKISP1_COMMON_H
37
38 #include <linux/mutex.h>
39 #include <linux/media.h>
40 #include <linux/rk-video-format.h>
41 #include <media/media-device.h>
42 #include <media/media-entity.h>
43 #include <media/v4l2-ctrls.h>
44 #include <media/v4l2-device.h>
45 #include <media/videobuf2-v4l2.h>
46 #include <media/v4l2-mc.h>
47
48 #define RKISP1_DEFAULT_WIDTH 800
49 #define RKISP1_DEFAULT_HEIGHT 600
50
51 #define RKISP1_MAX_STREAM 3
52 #define RKISP1_STREAM_MP 0
53 #define RKISP1_STREAM_SP 1
54 #define RKISP1_STREAM_RAW 2
55
56 #define RKISP1_PLANE_Y 0
57 #define RKISP1_PLANE_CB 1
58 #define RKISP1_PLANE_CR 2
59
60 #define RKISP1_EMDDATA_FIFO_MAX 4
61 #define RKISP1_DMATX_CHECK 0xA5A5A5A5
62 #define RKISP1_RK3326_USE_OLDMIPI 0
63
64 enum rkisp1_sd_type {
65 RKISP1_SD_SENSOR,
66 RKISP1_SD_PHY_CSI,
67 RKISP1_SD_VCM,
68 RKISP1_SD_FLASH,
69 RKISP1_SD_MAX,
70 };
71
72 /* One structure per video node */
73 struct rkisp1_vdev_node {
74 struct vb2_queue buf_queue;
75 struct video_device vdev;
76 struct media_pad pad;
77 };
78
79 enum rkisp1_fmt_pix_type {
80 FMT_YUV,
81 FMT_RGB,
82 FMT_BAYER,
83 FMT_JPEG,
84 FMT_MAX
85 };
86
87 enum rkisp1_fmt_raw_pat_type {
88 RAW_RGGB = 0,
89 RAW_GRBG,
90 RAW_GBRG,
91 RAW_BGGR,
92 };
93
94 struct rkisp1_buffer {
95 struct vb2_v4l2_buffer vb;
96 struct list_head queue;
97 union {
98 u32 buff_addr[VIDEO_MAX_PLANES];
99 void *vaddr[VIDEO_MAX_PLANES];
100 };
101 };
102
103 struct rkisp1_dummy_buffer {
104 void *vaddr;
105 dma_addr_t dma_addr;
106 u32 size;
107 };
108
109 extern int rkisp1_debug;
110
111 static inline
vdev_to_node(struct video_device * vdev)112 struct rkisp1_vdev_node *vdev_to_node(struct video_device *vdev)
113 {
114 return container_of(vdev, struct rkisp1_vdev_node, vdev);
115 }
116
queue_to_node(struct vb2_queue * q)117 static inline struct rkisp1_vdev_node *queue_to_node(struct vb2_queue *q)
118 {
119 return container_of(q, struct rkisp1_vdev_node, buf_queue);
120 }
121
to_rkisp1_buffer(struct vb2_v4l2_buffer * vb)122 static inline struct rkisp1_buffer *to_rkisp1_buffer(struct vb2_v4l2_buffer *vb)
123 {
124 return container_of(vb, struct rkisp1_buffer, vb);
125 }
126
to_vb2_queue(struct file * file)127 static inline struct vb2_queue *to_vb2_queue(struct file *file)
128 {
129 struct rkisp1_vdev_node *vnode = video_drvdata(file);
130
131 return &vnode->buf_queue;
132 }
133
134 #endif /* _RKISP1_COMMON_H */
135