1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * isppreview.h |
4 | * |
5 | * TI OMAP3 ISP - Preview module |
6 | * |
7 | * Copyright (C) 2010 Nokia Corporation |
8 | * Copyright (C) 2009 Texas Instruments, Inc. |
9 | * |
10 | * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
11 | * Sakari Ailus <sakari.ailus@iki.fi> |
12 | */ |
13 | |
14 | #ifndef OMAP3_ISP_PREVIEW_H |
15 | #define OMAP3_ISP_PREVIEW_H |
16 | |
17 | #include <linux/omap3isp.h> |
18 | #include <linux/types.h> |
19 | #include <media/v4l2-ctrls.h> |
20 | |
21 | #include "ispvideo.h" |
22 | |
23 | #define ISPPRV_BRIGHT_STEP 0x1 |
24 | #define ISPPRV_BRIGHT_DEF 0x0 |
25 | #define ISPPRV_BRIGHT_LOW 0x0 |
26 | #define ISPPRV_BRIGHT_HIGH 0xFF |
27 | #define ISPPRV_BRIGHT_UNITS 0x1 |
28 | |
29 | #define ISPPRV_CONTRAST_STEP 0x1 |
30 | #define ISPPRV_CONTRAST_DEF 0x10 |
31 | #define ISPPRV_CONTRAST_LOW 0x0 |
32 | #define ISPPRV_CONTRAST_HIGH 0xFF |
33 | #define ISPPRV_CONTRAST_UNITS 0x1 |
34 | |
35 | /* Additional features not listed in linux/omap3isp.h */ |
36 | #define OMAP3ISP_PREV_CONTRAST (1 << 17) |
37 | #define OMAP3ISP_PREV_BRIGHTNESS (1 << 18) |
38 | #define OMAP3ISP_PREV_FEATURES_END (1 << 19) |
39 | |
40 | enum preview_input_entity { |
41 | PREVIEW_INPUT_NONE, |
42 | PREVIEW_INPUT_CCDC, |
43 | PREVIEW_INPUT_MEMORY, |
44 | }; |
45 | |
46 | #define PREVIEW_OUTPUT_RESIZER (1 << 1) |
47 | #define PREVIEW_OUTPUT_MEMORY (1 << 2) |
48 | |
49 | /* Configure byte layout of YUV image */ |
50 | enum preview_ycpos_mode { |
51 | YCPOS_YCrYCb = 0, |
52 | YCPOS_YCbYCr = 1, |
53 | YCPOS_CbYCrY = 2, |
54 | YCPOS_CrYCbY = 3 |
55 | }; |
56 | |
57 | /* |
58 | * struct prev_params - Structure for all configuration |
59 | * @busy: Bitmask of busy parameters (being updated or used) |
60 | * @update: Bitmask of the parameters to be updated |
61 | * @features: Set of features enabled. |
62 | * @cfa: CFA coefficients. |
63 | * @csup: Chroma suppression coefficients. |
64 | * @luma: Luma enhancement coefficients. |
65 | * @nf: Noise filter coefficients. |
66 | * @dcor: Noise filter coefficients. |
67 | * @gamma: Gamma coefficients. |
68 | * @wbal: White Balance parameters. |
69 | * @blkadj: Black adjustment parameters. |
70 | * @rgb2rgb: RGB blending parameters. |
71 | * @csc: Color space conversion (RGB to YCbCr) parameters. |
72 | * @hmed: Horizontal median filter. |
73 | * @yclimit: YC limits parameters. |
74 | * @contrast: Contrast. |
75 | * @brightness: Brightness. |
76 | */ |
77 | struct prev_params { |
78 | u32 busy; |
79 | u32 update; |
80 | u32 features; |
81 | struct omap3isp_prev_cfa cfa; |
82 | struct omap3isp_prev_csup csup; |
83 | struct omap3isp_prev_luma luma; |
84 | struct omap3isp_prev_nf nf; |
85 | struct omap3isp_prev_dcor dcor; |
86 | struct omap3isp_prev_gtables gamma; |
87 | struct omap3isp_prev_wbal wbal; |
88 | struct omap3isp_prev_blkadj blkadj; |
89 | struct omap3isp_prev_rgbtorgb rgb2rgb; |
90 | struct omap3isp_prev_csc csc; |
91 | struct omap3isp_prev_hmed hmed; |
92 | struct omap3isp_prev_yclimit yclimit; |
93 | u8 contrast; |
94 | u8 brightness; |
95 | }; |
96 | |
97 | /* Sink and source previewer pads */ |
98 | #define PREV_PAD_SINK 0 |
99 | #define PREV_PAD_SOURCE 1 |
100 | #define PREV_PADS_NUM 2 |
101 | |
102 | /* |
103 | * struct isp_prev_device - Structure for storing ISP Preview module information |
104 | * @subdev: V4L2 subdevice |
105 | * @pads: Media entity pads |
106 | * @formats: Active formats at the subdev pad |
107 | * @crop: Active crop rectangle |
108 | * @input: Module currently connected to the input pad |
109 | * @output: Bitmask of the active output |
110 | * @video_in: Input video entity |
111 | * @video_out: Output video entity |
112 | * @params.params : Active and shadow parameters sets |
113 | * @params.active: Bitmask of parameters active in set 0 |
114 | * @params.lock: Parameters lock, protects params.active and params.shadow |
115 | * @underrun: Whether the preview entity has queued buffers on the output |
116 | * @state: Current preview pipeline state |
117 | * |
118 | * This structure is used to store the OMAP ISP Preview module Information. |
119 | */ |
120 | struct isp_prev_device { |
121 | struct v4l2_subdev subdev; |
122 | struct media_pad pads[PREV_PADS_NUM]; |
123 | struct v4l2_mbus_framefmt formats[PREV_PADS_NUM]; |
124 | struct v4l2_rect crop; |
125 | |
126 | struct v4l2_ctrl_handler ctrls; |
127 | |
128 | enum preview_input_entity input; |
129 | unsigned int output; |
130 | struct isp_video video_in; |
131 | struct isp_video video_out; |
132 | |
133 | struct { |
134 | unsigned int cfa_order; |
135 | struct prev_params params[2]; |
136 | u32 active; |
137 | spinlock_t lock; |
138 | } params; |
139 | |
140 | enum isp_pipeline_stream_state state; |
141 | wait_queue_head_t wait; |
142 | atomic_t stopping; |
143 | }; |
144 | |
145 | struct isp_device; |
146 | |
147 | int omap3isp_preview_init(struct isp_device *isp); |
148 | void omap3isp_preview_cleanup(struct isp_device *isp); |
149 | |
150 | int omap3isp_preview_register_entities(struct isp_prev_device *prv, |
151 | struct v4l2_device *vdev); |
152 | void omap3isp_preview_unregister_entities(struct isp_prev_device *prv); |
153 | |
154 | void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev); |
155 | void omap3isp_preview_isr(struct isp_prev_device *prev); |
156 | |
157 | int omap3isp_preview_busy(struct isp_prev_device *isp_prev); |
158 | |
159 | void omap3isp_preview_restore_context(struct isp_device *isp); |
160 | |
161 | #endif /* OMAP3_ISP_PREVIEW_H */ |
162 | |