projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7ce08c93 LR |
1 | /*************************************************************************** |
| 2 | * API for image sensors connected to ET61X[12]51 PC Camera Controllers * | |
| 3 | * * | |
| 4 | * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> * | |
| 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> | |
| 25 | #include <linux/videodev.h> | |
| 26 | #include <linux/device.h> | |
| 27 | #include <linux/stddef.h> | |
| 28 | #include <linux/errno.h> | |
| 29 | #include <asm/types.h> | |
| 30 | ||
| 31 | struct et61x251_device; | |
| 32 | struct et61x251_sensor; | |
| 33 | ||
| 34 | /*****************************************************************************/ | |
| 35 | ||
| 36 | extern 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 */ \ | |
| 40 | static int (*et61x251_sensor_table[])(struct et61x251_device*) = { \ | |
| 41 | &et61x251_probe_tas5130d1b, \ | |
| 42 | NULL, \ | |
| 43 | }; | |
| 44 | ||
| ccad7789 LR |
45 | extern struct et61x251_device* |
| 46 | et61x251_match_id(struct et61x251_device* cam, const struct usb_device_id *id); | |
| 47 | ||
| 7ce08c93 LR |
48 | extern void |
| 49 | et61x251_attach_sensor(struct et61x251_device* cam, | |
| d56410e0 | 50 | struct et61x251_sensor* sensor); |
| 7ce08c93 LR |
51 | |
| 52 | /*****************************************************************************/ | |
| 53 | ||
| 54 | extern int et61x251_write_reg(struct et61x251_device*, u8 value, u16 index); | |
| 55 | extern int et61x251_read_reg(struct et61x251_device*, u16 index); | |
| 56 | extern int et61x251_i2c_write(struct et61x251_device*, u8 address, u8 value); | |
| 57 | extern int et61x251_i2c_read(struct et61x251_device*, u8 address); | |
| 58 | extern int et61x251_i2c_try_write(struct et61x251_device*, | |
| d56410e0 MCC |
59 | struct et61x251_sensor*, u8 address, |
| 60 | u8 value); | |
| 7ce08c93 | 61 | extern int et61x251_i2c_try_read(struct et61x251_device*, |
| d56410e0 | 62 | struct et61x251_sensor*, u8 address); |
| 7ce08c93 | 63 | extern int et61x251_i2c_raw_write(struct et61x251_device*, u8 n, u8 data1, |
| d56410e0 MCC |
64 | u8 data2, u8 data3, u8 data4, u8 data5, |
| 65 | u8 data6, u8 data7, u8 data8, u8 address); | |
| 7ce08c93 LR |
66 | |
| 67 | /*****************************************************************************/ | |
| 68 | ||
| 69 | enum et61x251_i2c_sysfs_ops { | |
| 70 | ET61X251_I2C_READ = 0x01, | |
| 71 | ET61X251_I2C_WRITE = 0x02, | |
| 72 | }; | |
| 73 | ||
| 74 | enum et61x251_i2c_interface { | |
| 75 | ET61X251_I2C_2WIRES, | |
| 76 | ET61X251_I2C_3WIRES, | |
| 77 | }; | |
| 78 | ||
| 79 | /* Repeat start condition when RSTA is high */ | |
| 80 | enum et61x251_i2c_rsta { | |
| 81 | ET61X251_I2C_RSTA_STOP = 0x00, /* stop then start */ | |
| 82 | ET61X251_I2C_RSTA_REPEAT = 0x01, /* repeat start */ | |
| 83 | }; | |
| 84 | ||
| 85 | #define ET61X251_MAX_CTRLS V4L2_CID_LASTP1-V4L2_CID_BASE+10 | |
| 86 | ||
| 87 | struct et61x251_sensor { | |
| 88 | char name[32]; | |
| 89 | ||
| 90 | enum et61x251_i2c_sysfs_ops sysfs_ops; | |
| 91 | ||
| 92 | enum et61x251_i2c_interface interface; | |
| 93 | u8 i2c_slave_id; | |
| 94 | enum et61x251_i2c_rsta rsta; | |
| 95 | struct v4l2_rect active_pixel; /* left and top define FVSX and FVSY */ | |
| 96 | ||
| 97 | struct v4l2_queryctrl qctrl[ET61X251_MAX_CTRLS]; | |
| 98 | struct v4l2_cropcap cropcap; | |
| 99 | struct v4l2_pix_format pix_format; | |
| 100 | ||
| 101 | int (*init)(struct et61x251_device* cam); | |
| 102 | int (*get_ctrl)(struct et61x251_device* cam, | |
| d56410e0 | 103 | struct v4l2_control* ctrl); |
| 7ce08c93 | 104 | int (*set_ctrl)(struct et61x251_device* cam, |
| d56410e0 | 105 | const struct v4l2_control* ctrl); |
| 7ce08c93 | 106 | int (*set_crop)(struct et61x251_device* cam, |
| d56410e0 | 107 | const struct v4l2_rect* rect); |
| 7ce08c93 | 108 | int (*set_pix_format)(struct et61x251_device* cam, |
| d56410e0 | 109 | const struct v4l2_pix_format* pix); |
| 7ce08c93 | 110 | |
| 7ce08c93 LR |
111 | /* Private */ |
| 112 | struct v4l2_queryctrl _qctrl[ET61X251_MAX_CTRLS]; | |
| 113 | struct v4l2_rect _rect; | |
| 114 | }; | |
| 115 | ||
| 116 | #endif /* _ET61X251_SENSOR_H_ */ |