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
|
/* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _SDE_HW_CDM_H
#define _SDE_HW_CDM_H
#include "sde_hw_mdss.h"
#include "sde_hw_top.h"
struct sde_hw_cdm;
struct sde_hw_cdm_cfg {
u32 output_width;
u32 output_height;
u32 output_bit_depth;
u32 h_cdwn_type;
u32 v_cdwn_type;
const struct sde_format *output_fmt;
u32 output_type;
int flags;
};
enum sde_hw_cdwn_type {
CDM_CDWN_DISABLE,
CDM_CDWN_PIXEL_DROP,
CDM_CDWN_AVG,
CDM_CDWN_COSITE,
CDM_CDWN_OFFSITE,
};
enum sde_hw_cdwn_output_type {
CDM_CDWN_OUTPUT_HDMI,
CDM_CDWN_OUTPUT_WB,
};
enum sde_hw_cdwn_output_bit_depth {
CDM_CDWN_OUTPUT_8BIT,
CDM_CDWN_OUTPUT_10BIT,
};
/**
* struct sde_hw_cdm_ops : Interface to the chroma down Hw driver functions
* Assumption is these functions will be called after
* clocks are enabled
* @setup_csc: Programs the csc matrix
* @setup_cdwn: Sets up the chroma down sub module
* @enable: Enables the output to interface and programs the
* output packer
* @disable: Puts the cdm in bypass mode
*/
struct sde_hw_cdm_ops {
/**
* Programs the CSC matrix for conversion from RGB space to YUV space,
* it is optional to call this function as this matrix is automatically
* set during initialization, user should call this if it wants
* to program a different matrix than default matrix.
* @cdm: Pointer to the chroma down context structure
* @data Pointer to CSC configuration data
* return: 0 if success; error code otherwise
*/
int (*setup_csc_data)(struct sde_hw_cdm *cdm,
struct sde_csc_cfg *data);
/**
* Programs the Chroma downsample part.
* @cdm Pointer to chroma down context
*/
int (*setup_cdwn)(struct sde_hw_cdm *cdm,
struct sde_hw_cdm_cfg *cfg);
/**
* Enable the CDM module
* @cdm Pointer to chroma down context
*/
int (*enable)(struct sde_hw_cdm *cdm,
struct sde_hw_cdm_cfg *cfg);
/**
* Disable the CDM module
* @cdm Pointer to chroma down context
*/
void (*disable)(struct sde_hw_cdm *cdm);
};
struct sde_hw_cdm {
/* base */
struct sde_hw_blk_reg_map hw;
/* chroma down */
const struct sde_cdm_cfg *cdm_hw_cap;
enum sde_cdm idx;
/* mdp top hw driver */
struct sde_hw_mdp *hw_mdp;
/* ops */
struct sde_hw_cdm_ops ops;
};
/**
* sde_hw_cdm_init - initializes the cdm hw driver object.
* should be called once before accessing every cdm.
* @idx: cdm index for which driver object is required
* @addr: mapped register io address of MDP
* @m : pointer to mdss catalog data
* @hw_mdp: pointer to mdp top hw driver object
*/
struct sde_hw_cdm *sde_hw_cdm_init(enum sde_cdm idx,
void __iomem *addr,
struct sde_mdss_cfg *m,
struct sde_hw_mdp *hw_mdp);
/**
* sde_hw_cdm_destroy - destroys CDM driver context
* @cdm: pointer to CDM driver context
*/
void sde_hw_cdm_destroy(struct sde_hw_cdm *cdm);
#endif /*_SDE_HW_CDM_H */
|
