| /*************************************************************************** |
| * API for image sensors connected to ET61X[12]51 PC Camera Controllers * |
| * * |
| * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * |
| * * |
| * This program is free software; you can redistribute it and/or modify * |
| * it under the terms of the GNU General Public License as published by * |
| * the Free Software Foundation; either version 2 of the License, or * |
| * (at your option) any later version. * |
| * * |
| * This program is distributed in the hope that it will be useful, * |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| * GNU General Public License for more details. * |
| * * |
| * You should have received a copy of the GNU General Public License * |
| * along with this program; if not, write to the Free Software * |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * |
| ***************************************************************************/ |
| |
| #ifndef _ET61X251_SENSOR_H_ |
| #define _ET61X251_SENSOR_H_ |
| |
| #include <linux/usb.h> |
| #include <linux/videodev.h> |
| #include <linux/device.h> |
| #include <linux/stddef.h> |
| #include <linux/errno.h> |
| #include <asm/types.h> |
| |
| struct et61x251_device; |
| struct et61x251_sensor; |
| |
| /*****************************************************************************/ |
| |
| extern int et61x251_probe_tas5130d1b(struct et61x251_device* cam); |
| |
| #define ET61X251_SENSOR_TABLE \ |
| /* Weak detections must go at the end of the list */ \ |
| static int (*et61x251_sensor_table[])(struct et61x251_device*) = { \ |
| &et61x251_probe_tas5130d1b, \ |
| NULL, \ |
| }; |
| |
| extern struct et61x251_device* |
| et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id); |
| |
| extern void |
| et61x251_attach_sensor(struct et61x251_device* cam, |
| struct et61x251_sensor* sensor); |
| |
| /*****************************************************************************/ |
| |
| extern int et61x251_write_reg(struct et61x251_device*, u8 value, u16 index); |
| extern int et61x251_read_reg(struct et61x251_device*, u16 index); |
| extern int et61x251_i2c_write(struct et61x251_device*, u8 address, u8 value); |
| extern int et61x251_i2c_read(struct et61x251_device*, u8 address); |
| extern int et61x251_i2c_try_write(struct et61x251_device*, |
| struct et61x251_sensor*, u8 address, |
| u8 value); |
| extern int et61x251_i2c_try_read(struct et61x251_device*, |
| struct et61x251_sensor*, u8 address); |
| extern int et61x251_i2c_raw_write(struct et61x251_device*, u8 n, u8 data1, |
| u8 data2, u8 data3, u8 data4, u8 data5, |
| u8 data6, u8 data7, u8 data8, u8 address); |
| |
| /*****************************************************************************/ |
| |
| enum et61x251_i2c_sysfs_ops { |
| ET61X251_I2C_READ = 0x01, |
| ET61X251_I2C_WRITE = 0x02, |
| }; |
| |
| enum et61x251_i2c_interface { |
| ET61X251_I2C_2WIRES, |
| ET61X251_I2C_3WIRES, |
| }; |
| |
| /* Repeat start condition when RSTA is high */ |
| enum et61x251_i2c_rsta { |
| ET61X251_I2C_RSTA_STOP = 0x00, /* stop then start */ |
| ET61X251_I2C_RSTA_REPEAT = 0x01, /* repeat start */ |
| }; |
| |
| #define ET61X251_MAX_CTRLS (V4L2_CID_LASTP1-V4L2_CID_BASE+10) |
| |
| struct et61x251_sensor { |
| char name[32]; |
| |
| enum et61x251_i2c_sysfs_ops sysfs_ops; |
| |
| enum et61x251_i2c_interface interface; |
| u8 i2c_slave_id; |
| enum et61x251_i2c_rsta rsta; |
| struct v4l2_rect active_pixel; /* left and top define FVSX and FVSY */ |
| |
| struct v4l2_queryctrl qctrl[ET61X251_MAX_CTRLS]; |
| struct v4l2_cropcap cropcap; |
| struct v4l2_pix_format pix_format; |
| |
| int (*init)(struct et61x251_device* cam); |
| int (*get_ctrl)(struct et61x251_device* cam, |
| struct v4l2_control* ctrl); |
| int (*set_ctrl)(struct et61x251_device* cam, |
| const struct v4l2_control* ctrl); |
| int (*set_crop)(struct et61x251_device* cam, |
| const struct v4l2_rect* rect); |
| int (*set_pix_format)(struct et61x251_device* cam, |
| const struct v4l2_pix_format* pix); |
| |
| /* Private */ |
| struct v4l2_queryctrl _qctrl[ET61X251_MAX_CTRLS]; |
| struct v4l2_rect _rect; |
| }; |
| |
| #endif /* _ET61X251_SENSOR_H_ */ |