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Sakari Ailusccfc97b2012-03-03 17:19:52 -03001/*
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 <sakari.ailus@maxwell.research.nokia.com>
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 */
47enum smiapp_module_board_orient {
48 SMIAPP_MODULE_BOARD_ORIENT_0 = 0,
49 SMIAPP_MODULE_BOARD_ORIENT_180,
50};
51
52struct smiapp_flash_strobe_parms {
53 u8 mode;
54 u32 strobe_width_high_us;
55 u16 strobe_delay;
56 u16 stobe_start_point;
57 u8 trigger;
58};
59
60struct smiapp_platform_data {
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
75 enum smiapp_module_board_orient module_board_orient;
76
77 struct smiapp_flash_strobe_parms *strobe_setup;
78
79 int (*set_xclk)(struct v4l2_subdev *sd, int hz);
Sakari Ailus25474282012-04-22 08:24:33 -030080 char *ext_clk_name;
Sakari Ailusccfc97b2012-03-03 17:19:52 -030081 int xshutdown; /* gpio or SMIAPP_NO_XSHUTDOWN */
82};
83
84#endif /* __SMIAPP_H_ */