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cyttsp.h
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1 /*
2  * Header file for:
3  * Cypress TrueTouch(TM) Standard Product (TTSP) touchscreen drivers.
4  * For use with Cypress Txx3xx parts.
5  * Supported parts include:
6  * CY8CTST341
7  * CY8CTMA340
8  *
9  * Copyright (C) 2009, 2010, 2011 Cypress Semiconductor, Inc.
10  * Copyright (C) 2012 Javier Martinez Canillas <[email protected]>
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License
14  * version 2, and only version 2, as published by the
15  * Free Software Foundation.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License along
23  * with this program; if not, write to the Free Software Foundation, Inc.,
24  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25  *
26  * Contact Cypress Semiconductor at www.cypress.com ([email protected])
27  *
28  */
29 #ifndef _CYTTSP_H_
30 #define _CYTTSP_H_
31 
32 #define CY_SPI_NAME "cyttsp-spi"
33 #define CY_I2C_NAME "cyttsp-i2c"
34 /* Active Power state scanning/processing refresh interval */
35 #define CY_ACT_INTRVL_DFLT 0x00 /* ms */
36 /* touch timeout for the Active power */
37 #define CY_TCH_TMOUT_DFLT 0xFF /* ms */
38 /* Low Power state scanning/processing refresh interval */
39 #define CY_LP_INTRVL_DFLT 0x0A /* ms */
40 /* Active distance in pixels for a gesture to be reported */
41 #define CY_ACT_DIST_DFLT 0xF8 /* pixels */
42 
46  bool use_hndshk;
47  u8 act_dist; /* Active distance */
48  u8 act_intrvl; /* Active refresh interval; ms */
49  u8 tch_tmout; /* Active touch timeout; ms */
50  u8 lp_intrvl; /* Low power refresh interval; ms */
51  int (*init)(void);
52  void (*exit)(void);
53  char *name;
56 };
57 
58 #endif /* _CYTTSP_H_ */