FreeBSD/Linux Kernel Cross Reference
sys/dev/cyapa/cyapa.h

     /*
      * 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> and was subsequently ported
      * to FreeBSD by Michael Gmelin <freebsd@grem.de>
      *
      * 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _SYS_DEV_SMBUS_CYAPA_CYAPA_H_
    #define _SYS_DEV_SMBUS_CYAPA_CYAPA_H_
    
    #define CYAPA_MAX_MT    5
    
    /*
     * Boot-time registers.  This is the device map
     * if (stat & CYAPA_STAT_RUNNING) is 0.
     */
    struct cyapa_boot_regs {
            uint8_t stat;                   /* CYAPA_STAT_xxx */
            uint8_t boot;                   /* CYAPA_BOOT_xxx */
            uint8_t error;
    } __packed;
    
    #define CYAPA_BOOT_BUSY         0x80
    #define CYAPA_BOOT_RUNNING      0x10
    #define CYAPA_BOOT_DATA_VALID   0x08
    #define CYAPA_BOOT_CSUM_VALID   0x01
    
    #define CYAPA_ERROR_INVALID     0x80
    #define CYAPA_ERROR_INVALID_KEY 0x40
    #define CYAPA_ERROR_BOOTLOADER  0x20
    #define CYAPA_ERROR_CMD_CSUM    0x10
    #define CYAPA_ERROR_FLASH_PROT  0x08
    #define CYAPA_ERROR_FLASH_CSUM  0x04
    
    struct cyapa_regs {
            uint8_t stat;
            uint8_t fngr;
    
            struct {
                    uint8_t xy_high;        /* 7:4 high 4 bits of x */
                    uint8_t x_low;          /* 3:0 high 4 bits of y */
                    uint8_t y_low;
                    uint8_t pressure;
                    uint8_t id;             /* 1-15 incremented each touch */
            } touch[CYAPA_MAX_MT];
    } __packed;
    
    struct cyapa_cap {
            uint8_t prod_ida[5];    /* 0x00 - 0x04 */
            uint8_t prod_idb[6];    /* 0x05 - 0x0A */
            uint8_t prod_idc[2];    /* 0x0B - 0x0C */
            uint8_t reserved[6];    /* 0x0D - 0x12 */
            uint8_t buttons;        /* 0x13 */
            uint8_t gen;            /* 0x14, low 4 bits */
            uint8_t max_abs_xy_high;/* 0x15 7:4 high x bits, 3:0 high y bits */
            uint8_t max_abs_x_low;  /* 0x16 */
            uint8_t max_abs_y_low;  /* 0x17 */
            uint8_t phy_siz_xy_high;/* 0x18 7:4 high x bits, 3:0 high y bits */
            uint8_t phy_siz_x_low;  /* 0x19 */
            uint8_t phy_siz_y_low;  /* 0x1A */
    } __packed;
    
    #define CYAPA_STAT_RUNNING      0x80
    #define CYAPA_STAT_PWR_MASK     0x0C
    #define  CYAPA_PWR_OFF          0x00
    #define  CYAPA_PWR_IDLE         0x08
    #define  CYAPA_PWR_ACTIVE       0x0C
    
    #define CYAPA_STAT_DEV_MASK     0x03
   #define  CYAPA_DEV_NORMAL       0x03
   #define  CYAPA_DEV_BUSY         0x01
   
   #define CYAPA_FNGR_DATA_VALID   0x08
   #define CYAPA_FNGR_MIDDLE       0x04
   #define CYAPA_FNGR_RIGHT        0x02
   #define CYAPA_FNGR_LEFT         0x01
   #define CYAPA_FNGR_NUMFINGERS(c) (((c) >> 4) & 0x0F)
   
   #define CYAPA_TOUCH_X(regs, i)  ((((regs)->touch[i].xy_high << 4) & 0x0F00) | \
                                     (regs)->touch[i].x_low)
   #define CYAPA_TOUCH_Y(regs, i)  ((((regs)->touch[i].xy_high << 8) & 0x0F00) | \
                                     (regs)->touch[i].y_low)
   #define CYAPA_TOUCH_P(regs, i)  ((regs)->touch[i].pressure)
   
   #define CMD_BOOT_STATUS         0x00    /* only if in boot state */
   #define CMD_DEV_STATUS          0x00    /* only if in operational state */
   #define CMD_SOFT_RESET          0x28
   #define CMD_POWER_MODE          0x29
   #define  CMD_POWER_MODE_OFF     0x00
   #define  CMD_POWER_MODE_IDLE    0x14
   #define  CMD_POWER_MODE_FULL    0xFC
   #define CMD_QUERY_CAPABILITIES  0x2A
   
   #endif

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