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smiapp.h
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1 /*
2  * include/media/smiapp.h
3  *
4  * Generic driver for SMIA/SMIA++ compliant camera modules
5  *
6  * Copyright (C) 2011--2012 Nokia Corporation
7  * Contact: Sakari Ailus <[email protected]>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * version 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21  * 02110-1301 USA
22  *
23  */
24 
25 #ifndef __SMIAPP_H_
26 #define __SMIAPP_H_
27 
28 #include <media/v4l2-subdev.h>
29 
30 #define SMIAPP_NAME "smiapp"
31 
32 #define SMIAPP_DFL_I2C_ADDR (0x20 >> 1) /* Default I2C Address */
33 #define SMIAPP_ALT_I2C_ADDR (0x6e >> 1) /* Alternate I2C Address */
34 
35 #define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_CLOCK 0
36 #define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_STROBE 1
37 #define SMIAPP_CSI_SIGNALLING_MODE_CSI2 2
38 
39 #define SMIAPP_NO_XSHUTDOWN -1
40 
41 /*
42  * Sometimes due to board layout considerations the camera module can be
43  * mounted rotated. The typical rotation used is 180 degrees which can be
44  * corrected by giving a default H-FLIP and V-FLIP in the sensor readout.
45  * FIXME: rotation also changes the bayer pattern.
46  */
50 };
51 
58 };
59 
61  /*
62  * Change the cci address if i2c_addr_alt is set.
63  * Both default and alternate cci addr need to be present
64  */
65  unsigned short i2c_addr_dfl; /* Default i2c addr */
66  unsigned short i2c_addr_alt; /* Alternate i2c addr */
67 
68  unsigned int nvm_size; /* bytes */
69  unsigned int ext_clk; /* sensor external clk */
70 
71  unsigned int lanes; /* Number of CSI-2 lanes */
72  u8 csi_signalling_mode; /* SMIAPP_CSI_SIGNALLING_MODE_* */
73  const s64 *op_sys_clock;
74 
76 
78 
79  int (*set_xclk)(struct v4l2_subdev *sd, int hz);
80  char *ext_clk_name;
81  int xshutdown; /* gpio or SMIAPP_NO_XSHUTDOWN */
82 };
83 
84 #endif /* __SMIAPP_H_ */