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/* Header file for:
* Cypress TrueTouch(TM) Standard Product I2C touchscreen driver.
* include/linux/cyttsp.h
*
* Copyright (C) 2009-2011 Cypress Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2, and only version 2, as published by the
* Free Software Foundation.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Cypress reserves the right to make changes without further notice
* to the materials described herein. Cypress does not assume any
* liability arising out of the application described herein.
*
* Contact Cypress Semiconductor at www.cypress.com
*
*/
#include <linux/input.h>
#ifndef _CYTTSP_H_
#define _CYTTSP_H_
#include <linux/input.h>
#define CY_SPI_NAME "cyttsp-spi"
#define CY_I2C_NAME "cyttsp-i2c"
/* Scan Type selection for finger and/or stylus activation */
#define CY_SCN_TYP_DFLT 0x01 /* finger only mutual scan */
/* Active Power state scanning/processing refresh interval */
#define CY_ACT_INTRVL_DFLT 0x00 /* ms */
/* touch timeout for the Active power */
#define CY_TCH_TMOUT_DFLT 0x64 /* ms */
/* Low Power state scanning/processing refresh interval */
#define CY_LP_INTRVL_DFLT 0x32 /* ms */
/*
*defines for Gen2 (Txx2xx); Gen3 (Txx3xx)
* use these defines to set cyttsp_platform_data.gen in board config file
*/
enum cyttsp_gen {
CY_GEN2,
CY_GEN3,
};
/*
* Active distance in pixels for a gesture to be reported
* if set to 0, then all gesture movements are reported
* Valid range is 0 - 15
*/
#define CY_ACT_DIST_DFLT 8
#define CY_ACT_DIST CY_ACT_DIST_DFLT
#define CY_ACT_DIST_BITS 0x0F
/* max retries for read/write ops */
#define CY_NUM_RETRY 6
enum cyttsp_gest {
CY_GEST_GRP_NONE = 0,
CY_GEST_GRP1 = 0x10,
CY_GEST_GRP2 = 0x20,
CY_GEST_GRP3 = 0x40,
CY_GEST_GRP4 = 0x80,
};
enum cyttsp_powerstate {
CY_IDLE_STATE, /* IC cannot be reached */
CY_READY_STATE, /* pre-operational; ready to go to ACTIVE */
CY_ACTIVE_STATE, /* app is running, IC is scanning */
CY_LOW_PWR_STATE, /* not currently used */
CY_SLEEP_STATE, /* app is running, IC is idle */
CY_BL_STATE, /* bootloader is running */
CY_LDR_STATE, /* loader is running */
CY_SYSINFO_STATE, /* Switching to SysInfo mode */
CY_INVALID_STATE /* always last in the list */
};
struct cyttsp_platform_data {
u32 maxx;
u32 maxy;
u32 flags;
enum cyttsp_gen gen;
unsigned use_st:1;
unsigned use_mt:1;
unsigned use_trk_id:1;
unsigned use_hndshk:1;
unsigned use_timer:1;
unsigned use_sleep:1;
unsigned use_gestures:1;
unsigned use_load_file:1;
unsigned use_force_fw_update:1;
unsigned use_virtual_keys:1;
enum cyttsp_powerstate power_state;
u8 gest_set;
u8 scn_typ; /* finger and/or stylus scanning */
u8 act_intrvl; /* Active refresh interval; ms */
u8 tch_tmout; /* Active touch timeout; ms */
u8 lp_intrvl; /* Low power refresh interval; ms */
int (*wakeup)(void);
int (*init)(int on_off);
void (*mt_sync)(struct input_dev *);
char *name;
s16 irq_gpio;
s16 rst_gpio;
bool invert;
};
#endif /* _CYTTSP_H_ */
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