blob: 8bfc62e4bfd0b65a618103227bc9f4a0593d67b0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* Copyright 2018 NXP
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
#ifndef _MXC_JPEG_CORE_H
#define _MXC_JPEG_CORE_H
#define MXC_JPEG_M2M_NAME "mxc-jpeg"
#define MXC_JPEG_NAME "mxc-jpeg"
#define MXC_IN_FORMAT 0
#define MXC_OUT_FORMAT 1
#define MXC_JPEG_INIT 0
#define MXC_JPEG_RUNNING 1
#define MXC_JPEG_FMT_TYPE_ENC 0
#define MXC_JPEG_FMT_TYPE_RAW 1
#define MXC_JPEG_MIN_HEIGHT 64
#define MXC_JPEG_MIN_WIDTH 64
#define MXC_JPEG_MAX_HEIGHT 0x2000
#define MXC_JPEG_MAX_WIDTH 0x2000
#define MXC_JPEG_MAX_CFG_STREAM 0x1000
#define MXC_JPEG_H_ALIGN 3
#define MXC_JPEG_W_ALIGN 3
#define MXC_JPEG_DEFAULT_SIZEIMAGE 10000
#define MXC_JPEG_ENC_CONF 1
#define MXC_JPEG_ENC_DONE 0
#define SOF0 0xC0
#define SOF1 0xC1
#define SOF2 0xC2
#define SOS 0xDA
#define DHT 0xC4
#define MXC_JPEG_ENC_CONF_DONE 1
#define MXC_JPEG_MAX_PLANES 2
/**
* struct jpeg_fmt - driver's internal color format data
* @name: format description
* @fourcc: fourcc code, 0 if not applicable
* @depth: number of bits per pixel
* @colplanes: number of color planes (1 for packed formats)
* @h_align: horizontal alignment order (align to 2^h_align)
* @v_align: vertical alignment order (align to 2^v_align)
* @flags: flags describing format applicability
*/
struct mxc_jpeg_fmt {
char *name;
u32 fourcc;
int depth;
int colplanes;
int memplanes;
int h_align;
int v_align;
int subsampling;
u32 flags;
};
struct mxc_jpeg_desc {
u32 next_descpt_ptr;
u32 buf_base0;
u32 buf_base1;
u32 line_pitch;
u32 stm_bufbase;
u32 stm_bufsize;
u32 imgsize;
u32 stm_ctrl;
} __packed;
struct mxc_jpeg_q_data {
struct mxc_jpeg_fmt *fmt;
u32 sizeimage[MXC_JPEG_MAX_PLANES];
u32 bytesperline[MXC_JPEG_MAX_PLANES];
int w;
int w_adjusted;
int h;
int h_adjusted;
u32 stride;
};
struct mxc_jpeg_ctx {
struct mxc_jpeg_dev *mxc_jpeg;
struct mxc_jpeg_q_data out_q;
struct mxc_jpeg_q_data cap_q;
struct v4l2_rect crop_rect;
unsigned long state;
struct v4l2_fh fh;
unsigned int mode;
unsigned int enc_state;
unsigned int aborting;
unsigned int stopping;
unsigned int dht_needed;
unsigned int slot;
};
struct mxc_jpeg_slot_data {
bool used;
struct mxc_jpeg_desc *desc; // enc/dec descriptor
struct mxc_jpeg_desc *cfg_desc; // configuration descriptor
void *cfg_stream_vaddr; // configuration bitstream virtual address
unsigned int cfg_stream_size;
int flags;
dma_addr_t desc_handle;
dma_addr_t cfg_desc_handle; // configuration descriptor dma address
dma_addr_t cfg_stream_handle; // configuration bitstream dma address
};
struct mxc_jpeg_dev {
spinlock_t hw_lock;
unsigned int mode;
struct mutex lock;
bool enc;
bool dec;
struct clk *clk_ipg;
struct clk *clk_per;
struct platform_device *pdev;
struct device *dev;
void __iomem *base_reg;
void __iomem *enc_reg;
struct v4l2_device v4l2_dev;
struct v4l2_m2m_dev *m2m_dev;
struct video_device *dec_vdev;
unsigned int irq;
int id;
struct mxc_jpeg_slot_data slot_data[MXC_MAX_SLOTS];
};
#define MXC_JPEG_MAX_COMPONENTS 4
/* JPEG Start Of Frame marker fields*/
struct mxc_jpeg_sof_comp {
u8 id; /*component id*/
u8 v :4; /* vertical sampling*/
u8 h :4; /* horizontal sampling*/
u8 quantization_table_no;
} __packed;
struct mxc_jpeg_sof {
u16 length;
u8 precision;
u16 height, width;
u8 components_no;
struct mxc_jpeg_sof_comp comp[MXC_JPEG_MAX_COMPONENTS];
} __packed;
/* JPEG Start Of Scan marker fields*/
struct mxc_jpeg_sos_comp {
u8 id; /*component id*/
u8 huffman_table_no;
} __packed;
struct mxc_jpeg_sos {
u16 length;
u8 components_no;
struct mxc_jpeg_sos_comp comp[MXC_JPEG_MAX_COMPONENTS];
u8 ignorable_bytes[3];
} __packed;
#endif
|
