xref: /linux/drivers/media/usb/gspca/stk1135.h (revision bcb63314e2c23f1ed622418b65f9409512659c73)
1 /*
2  * STK1135 registers
3  *
4  * Copyright (c) 2013 Ondrej Zary
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  * 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 
17 #define STK1135_REG_GCTRL	0x000	/* GPIO control */
18 #define STK1135_REG_ICTRL	0x004	/* Interrupt control */
19 #define STK1135_REG_IDATA	0x008	/* Interrupt data */
20 #define STK1135_REG_RMCTL	0x00c	/* Remote wakeup control */
21 #define STK1135_REG_POSVA	0x010	/* Power-on strapping data */
22 
23 #define STK1135_REG_SENSO	0x018	/* Sensor select options */
24 #define STK1135_REG_PLLFD	0x01c	/* PLL frequency divider */
25 
26 #define STK1135_REG_SCTRL	0x100	/* Sensor control register */
27 #define STK1135_REG_DCTRL	0x104	/* Decimation control register */
28 #define STK1135_REG_CISPO	0x110	/* Capture image starting position */
29 #define STK1135_REG_CIEPO	0x114	/* Capture image ending position */
30 #define STK1135_REG_TCTRL	0x120	/* Test data control */
31 
32 #define STK1135_REG_SICTL	0x200	/* Serial interface control register */
33 #define STK1135_REG_SBUSW	0x204	/* Serial bus write */
34 #define STK1135_REG_SBUSR	0x208	/* Serial bus read */
35 #define STK1135_REG_SCSI	0x20c	/* Software control serial interface */
36 #define STK1135_REG_GSBWP	0x210	/* General serial bus write port */
37 #define STK1135_REG_GSBRP	0x214	/* General serial bus read port */
38 #define STK1135_REG_ASIC	0x2fc	/* Alternate serial interface control */
39 
40 #define STK1135_REG_TMGEN	0x300	/* Timing generator */
41 #define STK1135_REG_TCP1	0x350	/* Timing control parameter 1 */
42 
43 struct stk1135_pkt_header {
44 	u8 flags;
45 	u8 seq;
46 	__le16 gpio;
47 } __packed;
48 
49 #define STK1135_HDR_FRAME_START	(1 << 7)
50 #define STK1135_HDR_ODD		(1 << 6)
51 #define STK1135_HDR_I2C_VBLANK	(1 << 5)
52 
53 #define STK1135_HDR_SEQ_MASK	0x3f
54