/*
 * Copyright (c) 2014 The DragonFly Project.  All rights reserved.
 *
 * This code is derived from software contributed to The DragonFly Project
 * by Matthew Dillon <dillon@backplane.com>
 *
 * 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 of The DragonFly Project 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 HOLDERS 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.
 *
 *------------------------------------------------------------------------------
 * Copyright 2011 Atmel Corporation. All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL ''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 ATMEL 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.
 *-----------------------------------------------------------------------------
 */
/*
 * This file contains a mix of code taken from the atmel-maxtouch/obp-utils
 * github codebase and my own for testing the atmel touchscreen chipset in
 * the Acer C720P chromebook.
 *
 * I have rewritten the linux mess for the most part.
 */

#ifndef _OBP_UTILS_H_
#define _OBP_UTILS_H_

/*
 * CRC structure hangs off the end of the object configuration array and
 * is calculated against { mxt_id_info, mxt_object[num_objects] }.
 *
 * { mxt_id_info, mxt_object[num_objects], mxt_raw_crc }
 */
struct mxt_raw_crc {
    uint16_t CRC;               /* low 16 bits */
    uint8_t CRC_hi;             /* high 8 bits */
} __packed;

/*
 * register 0 - Base information structure
 */
struct mxt_id_info {
        uint8_t family;         /*!< Device family */
        uint8_t variant;        /*!< Device variant */

        uint8_t version;        /*!< Firmware version (Major/minor nibbles) */
        uint8_t build;          /*!< Firmware build number */

        uint8_t matrix_x_size;  /*!< Matrix X Size */
        uint8_t matrix_y_size;  /*!< Matrix Y Size */

        /*! Number of elements in the object table. The actual number of
         *  objects can be different if any object has more than one
         *  instance.
         */
        uint8_t num_objects;
} __packed;

/*
 * register 0 - Object configuration element(s) (occurs after mxt_id_info)
 */
struct mxt_object {
        uint8_t type;                   /* object type */
        uint8_t start_pos_lsb;          /* start address of config structure */
        uint8_t start_pos_msb;          /* start address of config structure */
        uint8_t size_minus_one;         /* size of config - 1 */
        uint8_t instances_minus_one;    /* #of instances of object - 1 */
        uint8_t num_report_ids;         /* max# of touches, sliders, buts, etc*/
} __packed;

/*
 * message structures (MXT_GEN_MESSAGEPROCESSOR)
 */
struct mxt_message_any {
        uint8_t reportid;
        uint8_t data[7];
} __packed;

struct mxt_message_touch {
        uint8_t reportid;
        uint8_t flags;          /* msg[0] */
        uint8_t pos[3];         /* xxxxxxxx(hi) yyyyyyyy(hi) xxxxyyyy(lo) */
        uint8_t area;
        uint8_t amplitude;
} __packed;

#define MXT_MSGF_DETECT         0x80
#define MXT_MSGF_PRESS          0x40
#define MXT_MSGF_RELEASE        0x20
#define MXT_MSGF_MOVE           0x10
#define MXT_MSGF_VECTOR         0x08
#define MXT_MSGF_AMP            0x04
#define MXT_MSGF_SUPPRESS       0x02
#define MXT_MSGF_UNGRIP         0x01

union mxt_message {
        struct mxt_message_touch any;
        struct mxt_message_touch touch;
} __packed;

typedef union mxt_message mxt_message_t;

/*
 * Object types
 */
#define MXT_RESERVED_T0                         0
#define MXT_RESERVED_T1                         1
#define MXT_DEBUG_DELTAS                        2
#define MXT_DEBUG_REFERENCES                    3
#define MXT_SIGNALS                             4
#define MXT_GEN_MESSAGEPROCESSOR                5
#define MXT_GEN_COMMANDPROCESSOR                6
#define MXT_GEN_POWERCONFIG                     7
#define MXT_ACQUISITIONCONFIG                   8
#define MXT_TOUCH_MULTITOUCHSCREEN9             9
#define MXT_TOUCH_SINGLETOUCHSCREEN             10
#define MXT_TOUCH_XSLIDER                       11
#define MXT_TOUCH_YSLIDER                       12
#define MXT_TOUCH_XWHEEL                        13
#define MXT_TOUCH_YWHEEL                        14
#define MXT_TOUCH_KEYARRAY                      15
#define MXT_PROCG_SIGNALFILTER                  16
#define MXT_PROCI_LINEARIZATIONTABLE            17
#define MXT_SPT_COMMSCONFIG                     18
#define MXT_SPT_GPIOPWM                         19
#define MXT_PROCI_GRIPFACESUPPRESSION           20
#define MXT_RESERVED21                          21
#define MXT_PROCG_NOISESUPPRESSION22            22
#define MXT_TOUCH_PROXIMITY                     23
#define MXT_PROCI_ONETOUCHGESTUREPROCESSOR      24
#define MXT_SPT_SELFTEST                        25
#define MXT_DEBUG_CTERANGE                      26
#define MXT_PROCI_TWOTOUCHGESTUREPROCESSOR      27
#define MXT_SPT_CTECONFIG28                     28
#define MXT_SPT_GPI                             29
#define MXT_SPT_GATE                            30
#define MXT_TOUCH_KEYSET                        31
#define MXT_TOUCH_XSLIDERSET                    32
#define MXT_RESERVED33                          33
#define MXT_GEN_MESSAGEBLOCK                    34
#define MXT_SPT_PROTOTYPE                       35
#define MXT_RESERVED36                          36
#define MXT_DEBUG_DIAGNOSTIC                    37
#define MXT_SPT_USERDATA                        38
#define MXT_SPARE39                             39
#define MXT_PROCI_GRIPSUPPRESSION               40
#define MXT_PROCI_PALMSUPPRESSION               41
#define MXT_PROCI_TOUCHSUPPRESSION              42
#define MXT_SPT_DIGITIZER                       43
#define MXT_SPT_MESSAGECOUNT                    44
#define MXT_PROCI_VIRTUALKEY                    45
#define MXT_SPT_CTECONFIG46                     46
#define MXT_PROCI_STYLUS                        47
#define MXT_PROCG_NOISESUPPRESSION48            48
#define MXT_GEN_DUALPULSE                       49
#define MXT_SPARE50                             50
#define MXT_SPT_SONY_CUSTOM                     51
#define MXT_TOUCH_PROXKEY                       52
#define MXT_GEN_DATASOURCE                      53
#define MXT_PROCG_NOISESUPPRESSION54            54
#define MXT_PROCI_ADAPTIVETHRESHOLD             55
#define MXT_PROCI_SHIELDLESS                    56
#define MXT_PROCI_EXTRATOUCHSCREENDATA          57
#define MXT_SPT_EXTRANOISESUPCTRLS              58
#define MXT_SPT_FASTDRIFT                       59
#define MXT_SPT_TIMER                           61
#define MXT_PROCG_NOISESUPPRESSION62            62
#define MXT_PROCI_ACTIVESTYLUS63                63
#define MXT_SPT_REFERENCERELOAD                 64
#define MXT_PROCI_LENSBENDING                   65
#define MXT_SPT_GOLDENREFERENCES                66
#define MXT_PROCI_CUSTOMGESTUREPROCESSOR        67
#define MXT_SERIAL_DATA_COMMAND                 68
#define MXT_PROCI_PALMGESTUREPROCESSOR          69
#define MXT_SPT_DYNAMICCONFIGURATIONCONTROLLER  70
#define MXT_SPT_DYNAMICCONFIGURATIONCONTAINER   71
#define MXT_PROCG_NOISESUPPRESSION72            72
#define MXT_PROCI_ZONEINDICATION                73
#define MXT_PROCG_SIMPLEGESTUREPROCESSOR        74
#define MXT_MOTION_SENSING_OBJECT               75
#define MXT_PROCI_MOTION_GESTURES               76
#define MXT_SPT_CTESCANCONFIG                   77
#define MXT_PROCI_GLOVEDETECTION                78
#define MXT_SPT_TOUCHEVENTTRIGGER               79
#define MXT_PROCI_RETRANSMISSIONCOMPENSATION    80
#define MXT_PROCI_UNLOCKGESTURE                 81
#define MXT_SPT_NOISESUPEXTENSION               82
#define MXT_ENVIRO_LIGHTSENSING                 83
#define MXT_PROCI_GESTUREPROCESSOR              84
#define MXT_PEN_ACTIVESTYLUSPOWER               85
#define MXT_PROCG_NOISESUPACTIVESTYLUS          86
#define MXT_PEN_ACTIVESTYLUSDATA                87
#define MXT_PEN_ACTIVESTYLUSRECEIVE             88
#define MXT_PEN_ACTIVESTYLUSTRANSMIT            89
#define MXT_PEN_ACTIVESTYLUSWINDOW              90
#define MXT_DEBUG_CUSTOMDATACONFIG              91
#define MXT_PROCI_SYMBOLGESTUREPROCESSOR        92
#define MXT_PROCI_TOUCHSEQUENCELOGGER           93
#define MXT_TOUCH_MULTITOUCHSCREEN              100
#define MXT_SPT_TOUCHSCREENHOVER                101
#define MXT_SPT_SELFCAPHOVERCTECONFIG           102
#define MXT_PROCI_SCHNOISESUPPRESSION           103
#define MXT_SPT_AUXTOUCHCONFIG                  104
#define MXT_SPT_DRIVENPLATEHOVERCONFIG          105
#define MXT_SPT_ACTIVESTYLUSMMBCONFIG           106
#define MXT_PROCI_ACTIVESTYLUS107               107
#define MXT_PROCG_NOISESUPSELFCAP               108
#define MXT_SPT_SELFCAPGLOBALCONFIG             109
#define MXT_SPT_SELFCAPTUNINGPARAMS             110
#define MXT_SPT_SELFCAPCONFIG                   111
#define MXT_SPT_PROXMEASURECONFIG               113
#define MXT_GEN_INFOBLOCK16BIT                  254
#define MXT_RESERVED255                         255

#define MXTSTR(label)   #label

#define MXT_INIT_STRINGS        \
        { MXTSTR(MXT_RESERVED_T0),                      \
           MXT_RESERVED_T0              },              \
        { MXTSTR(MXT_RESERVED_T1),                      \
           MXT_RESERVED_T1              },              \
        { MXTSTR(MXT_DEBUG_DELTAS),                     \
           MXT_DEBUG_DELTAS             },              \
        { MXTSTR(MXT_DEBUG_REFERENCES),                 \
           MXT_DEBUG_REFERENCES         },              \
        { MXTSTR(MXT_SIGNALS),                          \
           MXT_SIGNALS                  },              \
        { MXTSTR(MXT_GEN_MESSAGEPROCESSOR),             \
           MXT_GEN_MESSAGEPROCESSOR     },              \
        { MXTSTR(MXT_GEN_COMMANDPROCESSOR),             \
           MXT_GEN_COMMANDPROCESSOR     },              \
        { MXTSTR(MXT_GEN_POWERCONFIG),                  \
           MXT_GEN_POWERCONFIG          },              \
        { MXTSTR(MXT_ACQUISITIONCONFIG),                \
           MXT_ACQUISITIONCONFIG        },              \
        { MXTSTR(MXT_TOUCH_MULTITOUCHSCREEN),           \
           MXT_TOUCH_MULTITOUCHSCREEN   },              \
        { MXTSTR(MXT_TOUCH_SINGLETOUCHSCREEN),          \
           MXT_TOUCH_SINGLETOUCHSCREEN  },              \
        { MXTSTR(MXT_TOUCH_XSLIDER),                    \
           MXT_TOUCH_XSLIDER            },              \
        { MXTSTR(MXT_TOUCH_YSLIDER),                    \
           MXT_TOUCH_YSLIDER            },              \
        { MXTSTR(MXT_TOUCH_XWHEEL),                     \
           MXT_TOUCH_XWHEEL             },              \
        { MXTSTR(MXT_TOUCH_YWHEEL),                     \
           MXT_TOUCH_YWHEEL             },              \
        { MXTSTR(MXT_TOUCH_KEYARRAY),                   \
           MXT_TOUCH_KEYARRAY           },              \
        { MXTSTR(MXT_PROCG_SIGNALFILTER),               \
           MXT_PROCG_SIGNALFILTER       },              \
        { MXTSTR(MXT_PROCI_LINEARIZATIONTABLE),         \
           MXT_PROCI_LINEARIZATIONTABLE },              \
        { MXTSTR(MXT_SPT_COMMSCONFIG),                  \
           MXT_SPT_COMMSCONFIG          },              \
        { MXTSTR(MXT_SPT_GPIOPWM),                      \
           MXT_SPT_GPIOPWM              },              \
        { MXTSTR(MXT_PROCI_GRIPFACESUPPRESSION),        \
           MXT_PROCI_GRIPFACESUPPRESSION        },      \
        { MXTSTR(MXT_RESERVED21),                       \
           MXT_RESERVED21                       },      \
        { MXTSTR(MXT_PROCG_NOISESUPPRESSION22),         \
           MXT_PROCG_NOISESUPPRESSION22         },      \
        { MXTSTR(MXT_PROCG_NOISESUPPRESSION48),         \
           MXT_PROCG_NOISESUPPRESSION48         },      \
        { MXTSTR(MXT_PROCG_NOISESUPPRESSION54),         \
           MXT_PROCG_NOISESUPPRESSION54         },      \
        { MXTSTR(MXT_PROCG_NOISESUPPRESSION62),         \
           MXT_PROCG_NOISESUPPRESSION62         },      \
        { MXTSTR(MXT_PROCG_NOISESUPPRESSION72),         \
           MXT_PROCG_NOISESUPPRESSION72         },      \
        { MXTSTR(MXT_TOUCH_PROXIMITY),                  \
           MXT_TOUCH_PROXIMITY                  },      \
        { MXTSTR(MXT_PROCI_ONETOUCHGESTUREPROCESSOR),   \
           MXT_PROCI_ONETOUCHGESTUREPROCESSOR   },      \
        { MXTSTR(MXT_SPT_SELFTEST),                     \
           MXT_SPT_SELFTEST                     },      \
        { MXTSTR(MXT_DEBUG_CTERANGE),                   \
           MXT_DEBUG_CTERANGE                   },      \
        { MXTSTR(MXT_PROCI_TWOTOUCHGESTUREPROCESSOR),   \
           MXT_PROCI_TWOTOUCHGESTUREPROCESSOR   },      \
        { MXTSTR(MXT_SPT_CTECONFIG28),                  \
           MXT_SPT_CTECONFIG28                  },      \
        { MXTSTR(MXT_SPT_CTECONFIG46),                  \
           MXT_SPT_CTECONFIG46                  },      \
        { MXTSTR(MXT_SPT_GPI),                          \
           MXT_SPT_GPI                  },              \
        { MXTSTR(MXT_SPT_GATE),                         \
           MXT_SPT_GATE                 },              \
        { MXTSTR(MXT_TOUCH_KEYSET),                     \
           MXT_TOUCH_KEYSET             },              \
        { MXTSTR(MXT_TOUCH_XSLIDERSET),                 \
           MXT_TOUCH_XSLIDERSET         },              \
        { MXTSTR(MXT_RESERVED33),                       \
           MXT_RESERVED33               },              \
        { MXTSTR(MXT_GEN_MESSAGEBLOCK),                 \
           MXT_GEN_MESSAGEBLOCK         },              \
        { MXTSTR(MXT_SPT_PROTOTYPE),                    \
           MXT_SPT_PROTOTYPE            },              \
        { MXTSTR(MXT_RESERVED36),                       \
           MXT_RESERVED36               },              \
        { MXTSTR(MXT_DEBUG_DIAGNOSTIC),                 \
           MXT_DEBUG_DIAGNOSTIC         },              \
        { MXTSTR(MXT_SPT_USERDATA),                     \
           MXT_SPT_USERDATA             },              \
        { MXTSTR(MXT_SPARE39),                          \
           MXT_SPARE39                  },              \
        { MXTSTR(MXT_PROCI_GRIPSUPPRESSION),            \
           MXT_PROCI_GRIPSUPPRESSION    },              \
        { MXTSTR(MXT_PROCI_PALMSUPPRESSION),            \
           MXT_PROCI_PALMSUPPRESSION    },              \
        { MXTSTR(MXT_PROCI_TOUCHSUPPRESSION),           \
           MXT_PROCI_TOUCHSUPPRESSION   },              \
        { MXTSTR(MXT_SPT_DIGITIZER),                    \
           MXT_SPT_DIGITIZER            },              \
        { MXTSTR(MXT_SPT_MESSAGECOUNT),                 \
           MXT_SPT_MESSAGECOUNT         },              \
        { MXTSTR(MXT_PROCI_VIRTUALKEY),                 \
           MXT_PROCI_VIRTUALKEY         },              \
        { MXTSTR(MXT_PROCI_STYLUS),                     \
           MXT_PROCI_STYLUS             },              \
        { MXTSTR(MXT_GEN_DUALPULSE),                    \
           MXT_GEN_DUALPULSE            },              \
        { MXTSTR(MXT_SPARE50),                          \
           MXT_SPARE50                  },              \
        { MXTSTR(MXT_SPT_SONY_CUSTOM),                  \
           MXT_SPT_SONY_CUSTOM          },              \
        { MXTSTR(MXT_TOUCH_PROXKEY),                    \
           MXT_TOUCH_PROXKEY            },              \
        { MXTSTR(MXT_GEN_DATASOURCE),                   \
           MXT_GEN_DATASOURCE           },              \
        { MXTSTR(MXT_PROCI_ADAPTIVETHRESHOLD),          \
           MXT_PROCI_ADAPTIVETHRESHOLD  },              \
        { MXTSTR(MXT_PROCI_SHIELDLESS),                 \
           MXT_PROCI_SHIELDLESS         },              \
        { MXTSTR(MXT_PROCI_EXTRATOUCHSCREENDATA),       \
           MXT_PROCI_EXTRATOUCHSCREENDATA       },      \
        { MXTSTR(MXT_SPT_EXTRANOISESUPCTRLS),           \
           MXT_SPT_EXTRANOISESUPCTRLS           },      \
        { MXTSTR(MXT_SPT_FASTDRIFT),                    \
           MXT_SPT_FASTDRIFT                    },      \
        { MXTSTR(MXT_SPT_TIMER),                        \
           MXT_SPT_TIMER                        },      \
        { MXTSTR(MXT_PROCI_ACTIVESTYLUS63),             \
           MXT_PROCI_ACTIVESTYLUS63             },      \
        { MXTSTR(MXT_PROCI_ACTIVESTYLUS107),            \
           MXT_PROCI_ACTIVESTYLUS107            },      \
        { MXTSTR(MXT_SPT_REFERENCERELOAD),              \
           MXT_SPT_REFERENCERELOAD              },      \
        { MXTSTR(MXT_PROCI_LENSBENDING),                \
           MXT_PROCI_LENSBENDING                },      \
        { MXTSTR(MXT_SPT_GOLDENREFERENCES),             \
           MXT_SPT_GOLDENREFERENCES             },      \
        { MXTSTR(MXT_PROCI_CUSTOMGESTUREPROCESSOR),     \
           MXT_PROCI_CUSTOMGESTUREPROCESSOR     },      \
        { MXTSTR(MXT_SERIAL_DATA_COMMAND),              \
           MXT_SERIAL_DATA_COMMAND              },      \
        { MXTSTR(MXT_PROCI_PALMGESTUREPROCESSOR),       \
           MXT_PROCI_PALMGESTUREPROCESSOR       },      \
        { MXTSTR(MXT_SPT_DYNAMICCONFIGURATIONCONTROLLER),       \
           MXT_SPT_DYNAMICCONFIGURATIONCONTROLLER       },      \
        { MXTSTR(MXT_SPT_DYNAMICCONFIGURATIONCONTAINER),        \
           MXT_SPT_DYNAMICCONFIGURATIONCONTAINER        },      \
        { MXTSTR(MXT_PROCI_ZONEINDICATION),             \
           MXT_PROCI_ZONEINDICATION             },      \
        { MXTSTR(MXT_PROCG_SIMPLEGESTUREPROCESSOR),     \
           MXT_PROCG_SIMPLEGESTUREPROCESSOR     },      \
        { MXTSTR(MXT_MOTION_SENSING_OBJECT),            \
           MXT_MOTION_SENSING_OBJECT            },      \
        { MXTSTR(MXT_PROCI_MOTION_GESTURES),            \
           MXT_PROCI_MOTION_GESTURES            },      \
        { MXTSTR(MXT_SPT_CTESCANCONFIG),                \
           MXT_SPT_CTESCANCONFIG                },      \
        { MXTSTR(MXT_PROCI_GLOVEDETECTION),             \
           MXT_PROCI_GLOVEDETECTION             },      \
        { MXTSTR(MXT_SPT_TOUCHEVENTTRIGGER),            \
           MXT_SPT_TOUCHEVENTTRIGGER            },      \
        { MXTSTR(MXT_PROCI_RETRANSMISSIONCOMPENSATION), \
           MXT_PROCI_RETRANSMISSIONCOMPENSATION },      \
        { MXTSTR(MXT_PROCI_UNLOCKGESTURE),              \
           MXT_PROCI_UNLOCKGESTURE              },      \
        { MXTSTR(MXT_SPT_NOISESUPEXTENSION),            \
           MXT_SPT_NOISESUPEXTENSION            },      \
        { MXTSTR(MXT_ENVIRO_LIGHTSENSING),              \
           MXT_ENVIRO_LIGHTSENSING              },      \
        { MXTSTR(MXT_PROCI_GESTUREPROCESSOR),           \
           MXT_PROCI_GESTUREPROCESSOR           },      \
        { MXTSTR(MXT_PEN_ACTIVESTYLUSPOWER),            \
           MXT_PEN_ACTIVESTYLUSPOWER            },      \
        { MXTSTR(MXT_PROCG_NOISESUPACTIVESTYLUS),       \
           MXT_PROCG_NOISESUPACTIVESTYLUS       },      \
        { MXTSTR(MXT_PEN_ACTIVESTYLUSDATA),             \
           MXT_PEN_ACTIVESTYLUSDATA             },      \
        { MXTSTR(MXT_PEN_ACTIVESTYLUSRECEIVE),          \
           MXT_PEN_ACTIVESTYLUSRECEIVE          },      \
        { MXTSTR(MXT_PEN_ACTIVESTYLUSTRANSMIT),         \
           MXT_PEN_ACTIVESTYLUSTRANSMIT         },      \
        { MXTSTR(MXT_PEN_ACTIVESTYLUSWINDOW),           \
           MXT_PEN_ACTIVESTYLUSWINDOW           },      \
        { MXTSTR(MXT_DEBUG_CUSTOMDATACONFIG),           \
           MXT_DEBUG_CUSTOMDATACONFIG           },      \
        { MXTSTR(MXT_PROCI_SYMBOLGESTUREPROCESSOR),     \
           MXT_PROCI_SYMBOLGESTUREPROCESSOR     },      \
        { MXTSTR(MXT_PROCI_TOUCHSEQUENCELOGGER),        \
           MXT_PROCI_TOUCHSEQUENCELOGGER        },      \
        { MXTSTR(MXT_TOUCH_MULTITOUCHSCREEN),           \
           MXT_TOUCH_MULTITOUCHSCREEN           },      \
        { MXTSTR(MXT_SPT_TOUCHSCREENHOVER),             \
           MXT_SPT_TOUCHSCREENHOVER             },      \
        { MXTSTR(MXT_SPT_SELFCAPHOVERCTECONFIG),        \
           MXT_SPT_SELFCAPHOVERCTECONFIG        },      \
        { MXTSTR(MXT_PROCI_SCHNOISESUPPRESSION),        \
           MXT_PROCI_SCHNOISESUPPRESSION        },      \
        { MXTSTR(MXT_SPT_AUXTOUCHCONFIG),               \
           MXT_SPT_AUXTOUCHCONFIG               },      \
        { MXTSTR(MXT_SPT_DRIVENPLATEHOVERCONFIG),       \
           MXT_SPT_DRIVENPLATEHOVERCONFIG       },      \
        { MXTSTR(MXT_SPT_ACTIVESTYLUSMMBCONFIG),        \
           MXT_SPT_ACTIVESTYLUSMMBCONFIG        },      \
        { MXTSTR(MXT_PROCG_NOISESUPSELFCAP),    \
           MXT_PROCG_NOISESUPSELFCAP    },      \
        { MXTSTR(MXT_SPT_SELFCAPGLOBALCONFIG),  \
           MXT_SPT_SELFCAPGLOBALCONFIG  },      \
        { MXTSTR(MXT_SPT_SELFCAPTUNINGPARAMS),  \
           MXT_SPT_SELFCAPTUNINGPARAMS  },      \
        { MXTSTR(MXT_SPT_SELFCAPCONFIG),        \
           MXT_SPT_SELFCAPCONFIG        },      \
        { MXTSTR(MXT_SPT_PROXMEASURECONFIG),    \
           MXT_SPT_PROXMEASURECONFIG    },      \
        { MXTSTR(MXT_GEN_INFOBLOCK16BIT),       \
           MXT_GEN_INFOBLOCK16BIT       },      \
        { MXTSTR(MXT_RESERVED255),              \
           MXT_RESERVED255              }

/*
 * MXT_GEN_COMMANDPROCESSOR object offsets.
 */
#define MXT_CMDPROC_RESET_OFF           0x00
#define MXT_CMDPROC_BACKUPNV_OFF        0x01
#define MXT_CMDPROC_CALIBRATE_OFF       0x02
#define MXT_CMDPROC_REPORTALL_OFF       0x03
#define MXT_CMDPROC_RESERVED04_OFF      0x04
#define MXT_CMDPROC_DIAGNOSTIC_OFF      0x05

/*
 * device driver helper structures
 */
struct mxt_strinfo {
        const char *id;
        int     type;
};

struct mxt_rollup {
        struct mxt_id_info      info;
        struct mxt_object       *objs;
        int                     nobjs;
        uint8_t                 *buf;
};

/*
 * Kernel AND user mode support
 */
uint32_t obp_convert_crc(struct mxt_raw_crc *crc);
uint32_t obp_crc24(uint8_t *buf, size_t bytes);

#endif