2 * Copyright (c) 2014 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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35 #ifndef _SYS_DEV_SMBUS_CYAPA_CYAPA_H_
36 #define _SYS_DEV_SMBUS_CYAPA_CYAPA_H_
38 #define CYAPA_MAX_MT 5
41 * Boot-time registers. This is the device map
42 * if (stat & CYAPA_STAT_RUNNING) is 0.
44 struct cyapa_boot_regs {
45 uint8_t stat; /* CYAPA_STAT_xxx */
46 uint8_t boot; /* CYAPA_BOOT_xxx */
50 #define CYAPA_BOOT_BUSY 0x80
51 #define CYAPA_BOOT_RUNNING 0x10
52 #define CYAPA_BOOT_DATA_VALID 0x08
53 #define CYAPA_BOOT_CSUM_VALID 0x01
55 #define CYAPA_ERROR_INVALID 0x80
56 #define CYAPA_ERROR_INVALID_KEY 0x40
57 #define CYAPA_ERROR_BOOTLOADER 0x20
58 #define CYAPA_ERROR_CMD_CSUM 0x10
59 #define CYAPA_ERROR_FLASH_PROT 0x08
60 #define CYAPA_ERROR_FLASH_CSUM 0x04
67 uint8_t xy_high; /* 7:4 high 4 bits of x */
68 uint8_t x_low; /* 3:0 high 4 bits of y */
71 uint8_t id; /* 1-15 incremented each touch */
72 } touch[CYAPA_MAX_MT];
76 uint8_t prod_ida[5]; /* 0x00 - 0x04 */
77 uint8_t prod_idb[6]; /* 0x05 - 0x0A */
78 uint8_t prod_idc[2]; /* 0x0B - 0x0C */
79 uint8_t reserved[6]; /* 0x0D - 0x12 */
80 uint8_t buttons; /* 0x13 */
81 uint8_t gen; /* 0x14, low 4 bits */
82 uint8_t max_abs_xy_high;/* 0x15 7:4 high x bits, 3:0 high y bits */
83 uint8_t max_abs_x_low; /* 0x16 */
84 uint8_t max_abs_y_low; /* 0x17 */
85 uint8_t phy_siz_xy_high;/* 0x18 7:4 high x bits, 3:0 high y bits */
86 uint8_t phy_siz_x_low; /* 0x19 */
87 uint8_t phy_siz_y_low; /* 0x1A */
90 #define CYAPA_STAT_RUNNING 0x80
91 #define CYAPA_STAT_PWR_MASK 0x0C
92 #define CYAPA_PWR_OFF 0x00
93 #define CYAPA_PWR_IDLE 0x08
94 #define CYAPA_PWR_ACTIVE 0x0C
96 #define CYAPA_STAT_DEV_MASK 0x03
97 #define CYAPA_DEV_NORMAL 0x03
98 #define CYAPA_DEV_BUSY 0x01
100 #define CYAPA_FNGR_DATA_VALID 0x08
101 #define CYAPA_FNGR_MIDDLE 0x04
102 #define CYAPA_FNGR_RIGHT 0x02
103 #define CYAPA_FNGR_LEFT 0x01
104 #define CYAPA_FNGR_NUMFINGERS(c) (((c) >> 4) & 0x0F)
106 #define CYAPA_TOUCH_X(regs, i) ((((regs)->touch[i].xy_high << 4) & 0x0F00) | \
107 (regs)->touch[i].x_low)
108 #define CYAPA_TOUCH_Y(regs, i) ((((regs)->touch[i].xy_high << 8) & 0x0F00) | \
109 (regs)->touch[i].y_low)
110 #define CYAPA_TOUCH_P(regs, i) ((regs)->touch[i].pressure)
112 #define CMD_BOOT_STATUS 0x00 /* only if in boot state */
113 #define CMD_DEV_STATUS 0x00 /* only if in operational state */
114 #define CMD_SOFT_RESET 0x28
115 #define CMD_POWER_MODE 0x29
116 #define CMD_QUERY_CAPABILITIES 0x2A