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gerrit-public.fairphone.software / kernel / msm-4.9 / 00627f229c9807e4cb825a7ce36b886e2adf2229 / . / drivers / media / video / et61x251 / et61x251_sensor.h
blob: 71a03148cb092b17e4aa76d5f97fc176ef60f6cf [file] [log] [blame]
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]1/***************************************************************************
2 * API for image sensors connected to ET61X[12]51 PC Camera Controllers *
3 * *
Luca Risolia26563122007-01-08 11:38:36 -0300[diff] [blame]4 * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]5 * *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the Free Software *
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
19 ***************************************************************************/
20
21#ifndef _ET61X251_SENSOR_H_
22#define _ET61X251_SENSOR_H_
23
24#include <linux/usb.h>
Luca Risolia3b2ae0b2007-06-13 14:52:01 -0300[diff] [blame]25#include <linux/videodev2.h>
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]26#include <linux/device.h>
27#include <linux/stddef.h>
28#include <linux/errno.h>
29#include <asm/types.h>
30
31struct et61x251_device;
32struct et61x251_sensor;
33
34/*****************************************************************************/
35
36extern int et61x251_probe_tas5130d1b(struct et61x251_device* cam);
37
38#define ET61X251_SENSOR_TABLE \
39/* Weak detections must go at the end of the list */ \
40static int (*et61x251_sensor_table[])(struct et61x251_device*) = { \
41 &et61x251_probe_tas5130d1b, \
42 NULL, \
43};
44
Luca Risoliaccad7782006-02-25 06:54:18 +0000[diff] [blame]45extern struct et61x251_device*
46et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id);
47
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]48extern void
49et61x251_attach_sensor(struct et61x251_device* cam,
Luca Risolia3b2ae0b2007-06-13 14:52:01 -0300[diff] [blame]50 const struct et61x251_sensor* sensor);
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]51
52/*****************************************************************************/
53
54extern int et61x251_write_reg(struct et61x251_device*, u8 value, u16 index);
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]55extern int et61x251_i2c_raw_write(struct et61x251_device*, u8 n, u8 data1,
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300[diff] [blame]56 u8 data2, u8 data3, u8 data4, u8 data5,
57 u8 data6, u8 data7, u8 data8, u8 address);
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]58
59/*****************************************************************************/
60
61enum et61x251_i2c_sysfs_ops {
62 ET61X251_I2C_READ = 0x01,
63 ET61X251_I2C_WRITE = 0x02,
64};
65
66enum et61x251_i2c_interface {
67 ET61X251_I2C_2WIRES,
68 ET61X251_I2C_3WIRES,
69};
70
71/* Repeat start condition when RSTA is high */
72enum et61x251_i2c_rsta {
73 ET61X251_I2C_RSTA_STOP = 0x00, /* stop then start */
74 ET61X251_I2C_RSTA_REPEAT = 0x01, /* repeat start */
75};
76
Luca Risolia26563122007-01-08 11:38:36 -0300[diff] [blame]77#define ET61X251_MAX_CTRLS (V4L2_CID_LASTP1-V4L2_CID_BASE+10)
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]78
79struct et61x251_sensor {
80 char name[32];
81
82 enum et61x251_i2c_sysfs_ops sysfs_ops;
83
84 enum et61x251_i2c_interface interface;
85 u8 i2c_slave_id;
86 enum et61x251_i2c_rsta rsta;
87 struct v4l2_rect active_pixel; /* left and top define FVSX and FVSY */
88
89 struct v4l2_queryctrl qctrl[ET61X251_MAX_CTRLS];
90 struct v4l2_cropcap cropcap;
91 struct v4l2_pix_format pix_format;
92
93 int (*init)(struct et61x251_device* cam);
94 int (*get_ctrl)(struct et61x251_device* cam,
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300[diff] [blame]95 struct v4l2_control* ctrl);
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]96 int (*set_ctrl)(struct et61x251_device* cam,
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300[diff] [blame]97 const struct v4l2_control* ctrl);
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]98 int (*set_crop)(struct et61x251_device* cam,
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300[diff] [blame]99 const struct v4l2_rect* rect);
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]100 int (*set_pix_format)(struct et61x251_device* cam,
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -0300[diff] [blame]101 const struct v4l2_pix_format* pix);
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]102
Luca Risolia7ce08c92006-01-11 02:06:59 +0000[diff] [blame]103 /* Private */
104 struct v4l2_queryctrl _qctrl[ET61X251_MAX_CTRLS];
105 struct v4l2_rect _rect;
106};
107
108#endif /* _ET61X251_SENSOR_H_ */