Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /*************************************************************************** * API for image sensors connected to ET61X[12]51 PC Camera Controllers * * * * Copyright (C) 2006 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 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); const struct usb_device* usbdev; /* Private */ struct v4l2_queryctrl _qctrl[ET61X251_MAX_CTRLS]; struct v4l2_rect _rect; }; #endif /* _ET61X251_SENSOR_H_ */ |