summaryrefslogtreecommitdiff
path: root/drivers/media/platform/imx-jpeg/mxc-jpeg-hw.h
blob: ae70d3a0dc24353c1a061dd0f45bb793b7557192 (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
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * i.MX8QXP/i.MX8QM JPEG encoder/decoder v4l2 driver
 *
 * Copyright 2018-2019 NXP
 */

#ifndef _MXC_JPEG_HW_H
#define _MXC_JPEG_HW_H

/* JPEG Decoder/Encoder Wrapper Register Map */
#define GLB_CTRL			0x0
#define COM_STATUS			0x4
#define BUF_BASE0			0x14
#define BUF_BASE1			0x18
#define LINE_PITCH			0x1C
#define STM_BUFBASE			0x20
#define STM_BUFSIZE			0x24
#define IMGSIZE				0x28
#define STM_CTRL			0x2C

/* CAST JPEG-Decoder/Encoder Status Register Map (read-only)*/
#define CAST_STATUS0			0x100
#define CAST_STATUS1			0x104
#define CAST_STATUS2			0x108
#define CAST_STATUS3			0x10c
#define CAST_STATUS4			0x110
#define CAST_STATUS5			0x114
#define CAST_STATUS6			0x118
#define CAST_STATUS7			0x11c
#define CAST_STATUS8			0x120
#define CAST_STATUS9			0x124
#define CAST_STATUS10			0x128
#define CAST_STATUS11			0x12c
#define CAST_STATUS12			0x130
#define CAST_STATUS13			0x134
/* the following are for encoder only */
#define CAST_STATUS14		0x138
#define CAST_STATUS15		0x13c
#define CAST_STATUS16		0x140
#define CAST_STATUS17		0x144
#define CAST_STATUS18		0x148
#define CAST_STATUS19		0x14c

/* CAST JPEG-Decoder Control Register Map (write-only) */
#define CAST_CTRL			CAST_STATUS13

/* CAST JPEG-Encoder Control Register Map (write-only) */
#define CAST_MODE			CAST_STATUS0
#define CAST_CFG_MODE			CAST_STATUS1
#define CAST_QUALITY			CAST_STATUS2
#define CAST_RSVD			CAST_STATUS3
#define CAST_REC_REGS_SEL		CAST_STATUS4
#define CAST_LUMTH			CAST_STATUS5
#define CAST_CHRTH			CAST_STATUS6
#define CAST_NOMFRSIZE_LO		CAST_STATUS7
#define CAST_NOMFRSIZE_HI		CAST_STATUS8
#define CAST_OFBSIZE_LO			CAST_STATUS9
#define CAST_OFBSIZE_HI			CAST_STATUS10

#define MXC_MAX_SLOTS	1 /* TODO use all 4 slots*/
/* JPEG-Decoder Wrapper Slot Registers 0..3 */
#define SLOT_BASE			0x10000
#define SLOT_STATUS			0x0
#define SLOT_IRQ_EN			0x4
#define SLOT_BUF_PTR			0x8
#define SLOT_CUR_DESCPT_PTR		0xC
#define SLOT_NXT_DESCPT_PTR		0x10
#define MXC_SLOT_OFFSET(slot, offset)	((SLOT_BASE * ((slot) + 1)) + (offset))

/* GLB_CTRL fields */
#define GLB_CTRL_JPG_EN					0x1
#define GLB_CTRL_SFT_RST				(0x1 << 1)
#define GLB_CTRL_DEC_GO					(0x1 << 2)
#define GLB_CTRL_L_ENDIAN(le)				((le) << 3)
#define GLB_CTRL_SLOT_EN(slot)				(0x1 << ((slot) + 4))

/* COM_STAUS fields */
#define COM_STATUS_DEC_ONGOING(r)		(((r) & (1 << 31)) >> 31)
#define COM_STATUS_CUR_SLOT(r)			(((r) & (0x3 << 29)) >> 29)

/* STM_CTRL fields */
#define STM_CTRL_PIXEL_PRECISION		(0x1 << 2)
#define STM_CTRL_IMAGE_FORMAT(img_fmt)		((img_fmt) << 3)
#define STM_CTRL_IMAGE_FORMAT_MASK		(0xF << 3)
#define STM_CTRL_BITBUF_PTR_CLR(clr)		((clr) << 7)
#define STM_CTRL_AUTO_START(go)			((go) << 8)
#define STM_CTRL_CONFIG_MOD(mod)		((mod) << 9)

/* SLOT_STATUS fields for slots 0..3 */
#define SLOT_STATUS_FRMDONE			(0x1 << 3)
#define SLOT_STATUS_ENC_CONFIG_ERR		(0x1 << 8)

/* SLOT_IRQ_EN fields TBD */

#define MXC_NXT_DESCPT_EN			0x1
#define MXC_DEC_EXIT_IDLE_MODE			0x4

/* JPEG-Decoder Wrapper - STM_CTRL Register Fields */
#define MXC_PIXEL_PRECISION(precision) ((precision) / 8 << 2)
enum mxc_jpeg_image_format {
	MXC_JPEG_INVALID = -1,
	MXC_JPEG_YUV420 = 0x0, /* 2 Plannar, Y=1st plane UV=2nd plane */
	MXC_JPEG_YUV422 = 0x1, /* 1 Plannar, YUYV sequence */
	MXC_JPEG_RGB	= 0x2, /* RGBRGB packed format */
	MXC_JPEG_YUV444	= 0x3, /* 1 Plannar, YUVYUV sequence */
	MXC_JPEG_GRAY = 0x4, /* Y8 or Y12 or Single Component */
	MXC_JPEG_RESERVED = 0x5,
	MXC_JPEG_ARGB	= 0x6,
};

#include "mxc-jpeg.h"
void print_descriptor_info(struct device *dev, struct mxc_jpeg_desc *desc);
void print_cast_status(struct device *dev, void __iomem *reg,
		       unsigned int mode);
void print_wrapper_info(struct device *dev, void __iomem *reg);
void mxc_jpeg_sw_reset(void __iomem *reg);
int mxc_jpeg_enable(void __iomem *reg);
void wait_frmdone(struct device *dev, void __iomem *reg);
void mxc_jpeg_enc_mode_conf(struct device *dev, void __iomem *reg);
void mxc_jpeg_enc_mode_go(struct device *dev, void __iomem *reg);
void mxc_jpeg_dec_mode_go(struct device *dev, void __iomem *reg);
int mxc_jpeg_get_slot(void __iomem *reg);
u32 mxc_jpeg_get_offset(void __iomem *reg, int slot);
void mxc_jpeg_enable_slot(void __iomem *reg, int slot);
void mxc_jpeg_set_l_endian(void __iomem *reg, int le);
void mxc_jpeg_enable_irq(void __iomem *reg, int slot);
int mxc_jpeg_set_input(void __iomem *reg, u32 in_buf, u32 bufsize);
int mxc_jpeg_set_output(void __iomem *reg, u16 out_pitch, u32 out_buf,
			u16 w, u16 h);
void mxc_jpeg_set_config_mode(void __iomem *reg, int config_mode);
int mxc_jpeg_set_params(struct mxc_jpeg_desc *desc,  u32 bufsize, u16
			out_pitch, u32 format);
void mxc_jpeg_set_bufsize(struct mxc_jpeg_desc *desc,  u32 bufsize);
void mxc_jpeg_set_res(struct mxc_jpeg_desc *desc, u16 w, u16 h);
void mxc_jpeg_set_line_pitch(struct mxc_jpeg_desc *desc, u32 line_pitch);
void mxc_jpeg_set_desc(u32 desc, void __iomem *reg, int slot);
void mxc_jpeg_set_regs_from_desc(struct mxc_jpeg_desc *desc,
				 void __iomem *reg);
#endif