perf tools: Don't clone maps from parent when synthesizing forks
[linux/fpc-iii.git] / drivers / media / platform / omap3isp / isppreview.h
blob16fdc03a3d43bfb114d3ee64e6a5e04521cb5357
1 /*
2 * isppreview.h
4 * TI OMAP3 ISP - Preview module
6 * Copyright (C) 2010 Nokia Corporation
7 * Copyright (C) 2009 Texas Instruments, Inc.
9 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
10 * Sakari Ailus <sakari.ailus@iki.fi>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
17 #ifndef OMAP3_ISP_PREVIEW_H
18 #define OMAP3_ISP_PREVIEW_H
20 #include <linux/omap3isp.h>
21 #include <linux/types.h>
22 #include <media/v4l2-ctrls.h>
24 #include "ispvideo.h"
26 #define ISPPRV_BRIGHT_STEP 0x1
27 #define ISPPRV_BRIGHT_DEF 0x0
28 #define ISPPRV_BRIGHT_LOW 0x0
29 #define ISPPRV_BRIGHT_HIGH 0xFF
30 #define ISPPRV_BRIGHT_UNITS 0x1
32 #define ISPPRV_CONTRAST_STEP 0x1
33 #define ISPPRV_CONTRAST_DEF 0x10
34 #define ISPPRV_CONTRAST_LOW 0x0
35 #define ISPPRV_CONTRAST_HIGH 0xFF
36 #define ISPPRV_CONTRAST_UNITS 0x1
38 /* Additional features not listed in linux/omap3isp.h */
39 #define OMAP3ISP_PREV_CONTRAST (1 << 17)
40 #define OMAP3ISP_PREV_BRIGHTNESS (1 << 18)
41 #define OMAP3ISP_PREV_FEATURES_END (1 << 19)
43 enum preview_input_entity {
44 PREVIEW_INPUT_NONE,
45 PREVIEW_INPUT_CCDC,
46 PREVIEW_INPUT_MEMORY,
49 #define PREVIEW_OUTPUT_RESIZER (1 << 1)
50 #define PREVIEW_OUTPUT_MEMORY (1 << 2)
52 /* Configure byte layout of YUV image */
53 enum preview_ycpos_mode {
54 YCPOS_YCrYCb = 0,
55 YCPOS_YCbYCr = 1,
56 YCPOS_CbYCrY = 2,
57 YCPOS_CrYCbY = 3
61 * struct prev_params - Structure for all configuration
62 * @busy: Bitmask of busy parameters (being updated or used)
63 * @update: Bitmask of the parameters to be updated
64 * @features: Set of features enabled.
65 * @cfa: CFA coefficients.
66 * @csup: Chroma suppression coefficients.
67 * @luma: Luma enhancement coefficients.
68 * @nf: Noise filter coefficients.
69 * @dcor: Noise filter coefficients.
70 * @gamma: Gamma coefficients.
71 * @wbal: White Balance parameters.
72 * @blkadj: Black adjustment parameters.
73 * @rgb2rgb: RGB blending parameters.
74 * @csc: Color space conversion (RGB to YCbCr) parameters.
75 * @hmed: Horizontal median filter.
76 * @yclimit: YC limits parameters.
77 * @contrast: Contrast.
78 * @brightness: Brightness.
80 struct prev_params {
81 u32 busy;
82 u32 update;
83 u32 features;
84 struct omap3isp_prev_cfa cfa;
85 struct omap3isp_prev_csup csup;
86 struct omap3isp_prev_luma luma;
87 struct omap3isp_prev_nf nf;
88 struct omap3isp_prev_dcor dcor;
89 struct omap3isp_prev_gtables gamma;
90 struct omap3isp_prev_wbal wbal;
91 struct omap3isp_prev_blkadj blkadj;
92 struct omap3isp_prev_rgbtorgb rgb2rgb;
93 struct omap3isp_prev_csc csc;
94 struct omap3isp_prev_hmed hmed;
95 struct omap3isp_prev_yclimit yclimit;
96 u8 contrast;
97 u8 brightness;
100 /* Sink and source previewer pads */
101 #define PREV_PAD_SINK 0
102 #define PREV_PAD_SOURCE 1
103 #define PREV_PADS_NUM 2
106 * struct isp_prev_device - Structure for storing ISP Preview module information
107 * @subdev: V4L2 subdevice
108 * @pads: Media entity pads
109 * @formats: Active formats at the subdev pad
110 * @crop: Active crop rectangle
111 * @input: Module currently connected to the input pad
112 * @output: Bitmask of the active output
113 * @video_in: Input video entity
114 * @video_out: Output video entity
115 * @params.params : Active and shadow parameters sets
116 * @params.active: Bitmask of parameters active in set 0
117 * @params.lock: Parameters lock, protects params.active and params.shadow
118 * @underrun: Whether the preview entity has queued buffers on the output
119 * @state: Current preview pipeline state
121 * This structure is used to store the OMAP ISP Preview module Information.
123 struct isp_prev_device {
124 struct v4l2_subdev subdev;
125 struct media_pad pads[PREV_PADS_NUM];
126 struct v4l2_mbus_framefmt formats[PREV_PADS_NUM];
127 struct v4l2_rect crop;
129 struct v4l2_ctrl_handler ctrls;
131 enum preview_input_entity input;
132 unsigned int output;
133 struct isp_video video_in;
134 struct isp_video video_out;
136 struct {
137 unsigned int cfa_order;
138 struct prev_params params[2];
139 u32 active;
140 spinlock_t lock;
141 } params;
143 enum isp_pipeline_stream_state state;
144 wait_queue_head_t wait;
145 atomic_t stopping;
148 struct isp_device;
150 int omap3isp_preview_init(struct isp_device *isp);
151 void omap3isp_preview_cleanup(struct isp_device *isp);
153 int omap3isp_preview_register_entities(struct isp_prev_device *prv,
154 struct v4l2_device *vdev);
155 void omap3isp_preview_unregister_entities(struct isp_prev_device *prv);
157 void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev);
158 void omap3isp_preview_isr(struct isp_prev_device *prev);
160 int omap3isp_preview_busy(struct isp_prev_device *isp_prev);
162 void omap3isp_preview_restore_context(struct isp_device *isp);
164 #endif /* OMAP3_ISP_PREVIEW_H */