/**************************************************************************** * drivers/input/mxt.h * * Copyright (C) 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef __DRIVERS_INPUT_MXT_H #define __DRIVERS_INPUT_MXT_H /**************************************************************************** * Included Files ****************************************************************************/ #include /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Configuration ************************************************************/ /* Support T6 only if debug is enabled */ #undef MXT_SUPPORT_T6 #if !defined(CONFIG_DEBUG) # undef CONFIG_DEBUG_VERBOSE # undef CONFIG_DEBUG_INPUT #endif #if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_INPUT) # define MXT_SUPPORT_T6 1 #endif /* MXT Register Definitions *************************************************/ #define MXT_INFO 0x00 /* 7-bit info block */ # define MXT_FAMILY_ID 0x00 /* MXT family ID */ # define MXT_VARIANT_ID 0x01 /* MXT variant ID */ # define MXT_VERSION 0x02 /* MXT version number */ # define MXT_BUILD 0x03 /* MXT build number */ # define MXT_MATRIX_X_SIZE 0x04 /* Matrix X size */ # define MXT_MATRIX_Y_SIZE 0x05 /* Matrix Y size */ # define MXT_OBJECT_NUM 0x06 /* Number of objects */ #define MXT_OBJECT_START 0x07 /* Object types */ #define MXT_GEN_MESSAGE_T5 5 #define MXT_GEN_COMMAND_T6 6 #define MXT_GEN_POWER_T7 7 #define MXT_GEN_ACQUIRE_T8 8 #define MXT_TOUCH_MULTI_T9 9 #define MXT_TOUCH_KEYARRAY_T15 15 #define MXT_SPT_COMMSCONFIG_T18 18 #define MXT_SPT_GPIOPWM_T19 19 #define MXT_PROCI_GRIPFACE_T20 20 #define MXT_PROCG_NOISE_T22 22 #define MXT_TOUCH_PROXIMITY_T23 23 #define MXT_PROCI_ONETOUCH_T24 24 #define MXT_SPT_SELFTEST_T25 25 #define MXT_PROCI_TWOTOUCH_T27 27 #define MXT_SPT_CTECONFIG_T28 28 #define MXT_DEBUG_DIAGNOSTIC_T37 37 #define MXT_SPT_USERDATA_T38 38 #define MXT_PROCI_GRIP_T40 40 #define MXT_PROCI_PALM_T41 41 #define MXT_PROCI_TOUCHSUPPRESSION_T42 42 #define MXT_SPT_DIGITIZER_T43 43 #define MXT_SPT_MESSAGECOUNT_T44 44 #define MXT_SPT_CTECONFIG_T46 46 #define MXT_PROCI_STYLUS_T47 47 #define MXT_PROCG_NOISESUPPRESSION_T48 48 #define MXT_TOUCH_PROXKEY_T52 52 #define MXT_GEN_DATASOURCE_T53 53 /* MXT_GEN_COMMAND_T6 field */ #define MXT_COMMAND_RESET 0 #define MXT_COMMAND_BACKUPNV 1 #define MXT_COMMAND_CALIBRATE 2 #define MXT_COMMAND_REPORTALL 3 #define MXT_COMMAND_DIAGNOSTIC 5 /* MXT_GEN_POWER_T7 field */ #define MXT_POWER_IDLEACQINT 0 #define MXT_POWER_ACTVACQINT 1 #define MXT_POWER_ACTV2IDLETO 2 /* MXT_GEN_ACQUIRE_T8 field */ #define MXT_ACQUIRE_CHRGTIME 0 #define MXT_ACQUIRE_TCHDRIFT 2 #define MXT_ACQUIRE_DRIFTST 3 #define MXT_ACQUIRE_TCHAUTOCAL 4 #define MXT_ACQUIRE_SYNC 5 #define MXT_ACQUIRE_ATCHCALST 6 #define MXT_ACQUIRE_ATCHCALSTHR 7 /* MXT_TOUCH_MULTI_T9 field */ #define MXT_TOUCH_CTRL 0 #define MXT_TOUCH_XORIGIN 1 #define MXT_TOUCH_YORIGIN 2 #define MXT_TOUCH_XSIZE 3 #define MXT_TOUCH_YSIZE 4 #define MXT_TOUCH_BLEN 6 #define MXT_TOUCH_TCHTHR 7 #define MXT_TOUCH_TCHDI 8 #define MXT_TOUCH_ORIENT 9 #define MXT_TOUCH_MOVHYSTI 11 #define MXT_TOUCH_MOVHYSTN 12 #define MXT_TOUCH_NUMTOUCH 14 #define MXT_TOUCH_MRGHYST 15 #define MXT_TOUCH_MRGTHR 16 #define MXT_TOUCH_AMPHYST 17 #define MXT_TOUCH_XRANGE_LSB 18 #define MXT_TOUCH_XRANGE_MSB 19 #define MXT_TOUCH_YRANGE_LSB 20 #define MXT_TOUCH_YRANGE_MSB 21 #define MXT_TOUCH_XLOCLIP 22 #define MXT_TOUCH_XHICLIP 23 #define MXT_TOUCH_YLOCLIP 24 #define MXT_TOUCH_YHICLIP 25 #define MXT_TOUCH_XEDGECTRL 26 #define MXT_TOUCH_XEDGEDIST 27 #define MXT_TOUCH_YEDGECTRL 28 #define MXT_TOUCH_YEDGEDIST 29 #define MXT_TOUCH_JUMPLIMIT 30 /* MXT_PROCI_GRIPFACE_T20 field */ #define MXT_GRIPFACE_CTRL 0 #define MXT_GRIPFACE_XLOGRIP 1 #define MXT_GRIPFACE_XHIGRIP 2 #define MXT_GRIPFACE_YLOGRIP 3 #define MXT_GRIPFACE_YHIGRIP 4 #define MXT_GRIPFACE_MAXTCHS 5 #define MXT_GRIPFACE_SZTHR1 7 #define MXT_GRIPFACE_SZTHR2 8 #define MXT_GRIPFACE_SHPTHR1 9 #define MXT_GRIPFACE_SHPTHR2 10 #define MXT_GRIPFACE_SUPEXTTO 11 /* MXT_PROCI_NOISE field */ #define MXT_NOISE_CTRL 0 #define MXT_NOISE_OUTFLEN 1 #define MXT_NOISE_GCAFUL_LSB 3 #define MXT_NOISE_GCAFUL_MSB 4 #define MXT_NOISE_GCAFLL_LSB 5 #define MXT_NOISE_GCAFLL_MSB 6 #define MXT_NOISE_ACTVGCAFVALID 7 #define MXT_NOISE_NOISETHR 8 #define MXT_NOISE_FREQHOPSCALE 10 #define MXT_NOISE_FREQ0 11 #define MXT_NOISE_FREQ1 12 #define MXT_NOISE_FREQ2 13 #define MXT_NOISE_FREQ3 14 #define MXT_NOISE_FREQ4 15 #define MXT_NOISE_IDLEGCAFVALID 16 /* MXT_SPT_COMMSCONFIG_T18 */ #define MXT_COMMS_CTRL 0 #define MXT_COMMS_CMD 1 /* MXT_SPT_CTECONFIG_T28 field */ #define MXT_CTE_CTRL 0 #define MXT_CTE_CMD 1 #define MXT_CTE_MODE 2 #define MXT_CTE_IDLEGCAFDEPTH 3 #define MXT_CTE_ACTVGCAFDEPTH 4 #define MXT_CTE_VOLTAGE 5 #define MXT_VOLTAGE_DEFAULT 2700000 #define MXT_VOLTAGE_STEP 10000 /* Definitions for MXT_GEN_COMMAND_T6 */ #define MXT_BOOT_VALUE 0xa5 #define MXT_BACKUP_VALUE 0x55 #define MXT_BACKUP_TIME 50000 /* microseconds */ #define MXT_RESET_TIME 500000 /* microseconds */ /* MXT_SPT_GPIOPWM_T19 field */ #define MXT_MAX_BUTTONS 4 /* Up to four buttons */ #define MXT_GPIO0_MASK 0x04 #define MXT_GPIO1_MASK 0x08 #define MXT_GPIO2_MASK 0x10 #define MXT_GPIO3_MASK 0x20 /* Command to unlock bootloader */ #define MXT_UNLOCK_CMD_MSB 0xaa #define MXT_UNLOCK_CMD_LSB 0xdc /* Bootloader mode status */ #define MXT_WAITING_BOOTLOAD_CMD 0xc0 /* Valid 7 6 bit only */ #define MXT_WAITING_FRAME_DATA 0x80 /* Valid 7 6 bit only */ #define MXT_FRAME_CRC_CHECK 0x02 #define MXT_FRAME_CRC_FAIL 0x03 #define MXT_FRAME_CRC_PASS 0x04 #define MXT_APP_CRC_FAIL 0x40 /* Valid 7 8 bit only */ #define MXT_BOOT_STATUS_MASK 0x3f /* Touch status */ #define MXT_UNGRIP (1 << 0) #define MXT_SUPPRESS (1 << 1) #define MXT_AMP (1 << 2) #define MXT_VECTOR (1 << 3) #define MXT_MOVE (1 << 4) #define MXT_RELEASE (1 << 5) #define MXT_PRESS (1 << 6) #define MXT_DETECT (1 << 7) /* Touchscreen absolute values */ #define MXT_MAX_AREA 0xff #define MXT_PIXELS_PER_MM 20 /**************************************************************************** * Public Types ****************************************************************************/ /* This structure describes one maXTouch object */ struct mxt_object_s { uint8_t type; /* Object type */ uint8_t addr[2]; /* Start address */ uint8_t size; /* Size of each instance - 1 */ uint8_t ninstances; /* Number of instances - 1 */ uint8_t nids; /* Number of report IDs */ }; #define MXT_OBJECT_SIZE 6 /* This structure describes one maXTouch message */ struct mxt_msg_s { uint8_t id; /* Report ID */ uint8_t body[7]; /* Message body */ }; /**************************************************************************** * Public Data ****************************************************************************/ #ifdef __cplusplus #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Public Function Prototypes ****************************************************************************/ #undef EXTERN #ifdef __cplusplus } #endif #endif /* __DRIVERS_INPUT_MXT_H */