1 /*************************************************************************** 2 * API for image sensors connected to the ZC0301[P] Image Processor and * 3 * Control Chip * 4 * * 5 * Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * 6 * * 7 * This program is free software; you can redistribute it and/or modify * 8 * it under the terms of the GNU General Public License as published by * 9 * the Free Software Foundation; either version 2 of the License, or * 10 * (at your option) any later version. * 11 * * 12 * This program is distributed in the hope that it will be useful, * 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 15 * GNU General Public License for more details. * 16 * * 17 * You should have received a copy of the GNU General Public License * 18 * along with this program; if not, write to the Free Software * 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 20 ***************************************************************************/ 21 22 #ifndef _ZC0301_SENSOR_H_ 23 #define _ZC0301_SENSOR_H_ 24 25 #include <linux/usb.h> 26 #include <linux/videodev2.h> 27 #include <linux/device.h> 28 #include <linux/stddef.h> 29 #include <linux/errno.h> 30 #include <asm/types.h> 31 32 struct zc0301_device; 33 struct zc0301_sensor; 34 35 /*****************************************************************************/ 36 37 extern int zc0301_probe_pas202bcb(struct zc0301_device* cam); 38 extern int zc0301_probe_pb0330(struct zc0301_device* cam); 39 40 #define ZC0301_SENSOR_TABLE \ 41 /* Weak detections must go at the end of the list */ \ 42 static int (*zc0301_sensor_table[])(struct zc0301_device*) = { \ 43 &zc0301_probe_pas202bcb, \ 44 &zc0301_probe_pb0330, \ 45 NULL, \ 46 }; 47 48 extern struct zc0301_device* 49 zc0301_match_id(struct zc0301_device* cam, const struct usb_device_id *id); 50 51 extern void 52 zc0301_attach_sensor(struct zc0301_device* cam, struct zc0301_sensor* sensor); 53 54 #define ZC0301_USB_DEVICE(vend, prod, intclass) \ 55 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ 56 USB_DEVICE_ID_MATCH_INT_CLASS, \ 57 .idVendor = (vend), \ 58 .idProduct = (prod), \ 59 .bInterfaceClass = (intclass) 60 61 #define ZC0301_ID_TABLE \ 62 static const struct usb_device_id zc0301_id_table[] = { \ 63 { ZC0301_USB_DEVICE(0x046d, 0x08ae, 0xff), }, /* PAS202 */ \ 64 { ZC0301_USB_DEVICE(0x0ac8, 0x303b, 0xff), }, /* PB-0330 */ \ 65 { } \ 66 }; 67 68 /*****************************************************************************/ 69 70 extern int zc0301_write_reg(struct zc0301_device*, u16 index, u16 value); 71 extern int zc0301_read_reg(struct zc0301_device*, u16 index); 72 extern int zc0301_i2c_write(struct zc0301_device*, u16 address, u16 value); 73 extern int zc0301_i2c_read(struct zc0301_device*, u16 address, u8 length); 74 75 /*****************************************************************************/ 76 77 #define ZC0301_MAX_CTRLS (V4L2_CID_LASTP1 - V4L2_CID_BASE + 10) 78 #define ZC0301_V4L2_CID_DAC_MAGNITUDE (V4L2_CID_PRIVATE_BASE + 0) 79 #define ZC0301_V4L2_CID_GREEN_BALANCE (V4L2_CID_PRIVATE_BASE + 1) 80 81 struct zc0301_sensor { 82 char name[32]; 83 84 struct v4l2_queryctrl qctrl[ZC0301_MAX_CTRLS]; 85 struct v4l2_cropcap cropcap; 86 struct v4l2_pix_format pix_format; 87 88 int (*init)(struct zc0301_device*); 89 int (*get_ctrl)(struct zc0301_device*, struct v4l2_control* ctrl); 90 int (*set_ctrl)(struct zc0301_device*, 91 const struct v4l2_control* ctrl); 92 int (*set_crop)(struct zc0301_device*, const struct v4l2_rect* rect); 93 94 /* Private */ 95 struct v4l2_queryctrl _qctrl[ZC0301_MAX_CTRLS]; 96 struct v4l2_rect _rect; 97 }; 98 99 #endif /* _ZC0301_SENSOR_H_ */ 100