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gerrit-public.fairphone.software / kernel / msm-4.9 / 85566ca6b6d7e131837cd197a441d98e83146fae / . / drivers / media / platform / omap3isp / isppreview.h
blob: 16fdc03a3d43bfb114d3ee64e6a5e04521cb5357 [file] [log] [blame]
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]1/*
2 * isppreview.h
3 *
4 * TI OMAP3 ISP - Preview module
5 *
6 * Copyright (C) 2010 Nokia Corporation
7 * Copyright (C) 2009 Texas Instruments, Inc.
8 *
9 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
10 * Sakari Ailus <sakari.ailus@iki.fi>
11 *
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.
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]15 */
16
17#ifndef OMAP3_ISP_PREVIEW_H
18#define OMAP3_ISP_PREVIEW_H
19
20#include <linux/omap3isp.h>
21#include <linux/types.h>
22#include <media/v4l2-ctrls.h>
23
24#include "ispvideo.h"
25
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
31
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
37
Laurent Pinchart3108e022012-04-05 12:38:23 -0300[diff] [blame]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)
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]42
43enum preview_input_entity {
44 PREVIEW_INPUT_NONE,
45 PREVIEW_INPUT_CCDC,
46 PREVIEW_INPUT_MEMORY,
47};
48
49#define PREVIEW_OUTPUT_RESIZER (1 << 1)
50#define PREVIEW_OUTPUT_MEMORY (1 << 2)
51
52/* Configure byte layout of YUV image */
53enum preview_ycpos_mode {
54 YCPOS_YCrYCb = 0,
55 YCPOS_YCbYCr = 1,
56 YCPOS_CbYCrY = 2,
57 YCPOS_CrYCbY = 3
58};
59
60/*
61 * struct prev_params - Structure for all configuration
Laurent Pinchartb0b29e12012-03-26 10:24:50 -0300[diff] [blame]62 * @busy: Bitmask of busy parameters (being updated or used)
63 * @update: Bitmask of the parameters to be updated
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]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.
Laurent Pinchart9b001842012-04-05 13:51:17 -0300[diff] [blame]72 * @blkadj: Black adjustment parameters.
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]73 * @rgb2rgb: RGB blending parameters.
Laurent Pinchart9b001842012-04-05 13:51:17 -0300[diff] [blame]74 * @csc: Color space conversion (RGB to YCbCr) parameters.
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]75 * @hmed: Horizontal median filter.
76 * @yclimit: YC limits parameters.
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]77 * @contrast: Contrast.
78 * @brightness: Brightness.
79 */
80struct prev_params {
Laurent Pinchartb0b29e12012-03-26 10:24:50 -0300[diff] [blame]81 u32 busy;
82 u32 update;
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]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;
Laurent Pinchart9b001842012-04-05 13:51:17 -0300[diff] [blame]91 struct omap3isp_prev_blkadj blkadj;
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]92 struct omap3isp_prev_rgbtorgb rgb2rgb;
Laurent Pinchart9b001842012-04-05 13:51:17 -0300[diff] [blame]93 struct omap3isp_prev_csc csc;
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]94 struct omap3isp_prev_hmed hmed;
95 struct omap3isp_prev_yclimit yclimit;
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]96 u8 contrast;
97 u8 brightness;
98};
99
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]100/* Sink and source previewer pads */
101#define PREV_PAD_SINK 0
102#define PREV_PAD_SOURCE 1
103#define PREV_PADS_NUM 2
104
105/*
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
Laurent Pinchart1f69fd92011-09-21 20:05:45 -0300[diff] [blame]110 * @crop: Active crop rectangle
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]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
Laurent Pinchartb0b29e12012-03-26 10:24:50 -0300[diff] [blame]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
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]118 * @underrun: Whether the preview entity has queued buffers on the output
119 * @state: Current preview pipeline state
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]120 *
121 * This structure is used to store the OMAP ISP Preview module Information.
122 */
123struct 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];
Laurent Pinchart1f69fd92011-09-21 20:05:45 -0300[diff] [blame]127 struct v4l2_rect crop;
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]128
129 struct v4l2_ctrl_handler ctrls;
130
131 enum preview_input_entity input;
132 unsigned int output;
133 struct isp_video video_in;
134 struct isp_video video_out;
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]135
Laurent Pinchartb0b29e12012-03-26 10:24:50 -0300[diff] [blame]136 struct {
Laurent Pinchart6fd206c2012-06-18 11:24:48 -0300[diff] [blame]137 unsigned int cfa_order;
Laurent Pinchartb0b29e12012-03-26 10:24:50 -0300[diff] [blame]138 struct prev_params params[2];
139 u32 active;
140 spinlock_t lock;
141 } params;
142
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]143 enum isp_pipeline_stream_state state;
144 wait_queue_head_t wait;
145 atomic_t stopping;
Laurent Pinchartde1135d2011-02-12 18:05:06 -0300[diff] [blame]146};
147
148struct isp_device;
149
150int omap3isp_preview_init(struct isp_device *isp);
151void omap3isp_preview_cleanup(struct isp_device *isp);
152
153int omap3isp_preview_register_entities(struct isp_prev_device *prv,
154 struct v4l2_device *vdev);
155void omap3isp_preview_unregister_entities(struct isp_prev_device *prv);
156
157void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev);
158void omap3isp_preview_isr(struct isp_prev_device *prev);
159
160int omap3isp_preview_busy(struct isp_prev_device *isp_prev);
161
162void omap3isp_preview_restore_context(struct isp_device *isp);
163
164#endif /* OMAP3_ISP_PREVIEW_H */