1/*
2 * Copyright (c) 2014 The DragonFly Project.  All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com> and was subsequently ported
6 * to FreeBSD by Michael Gmelin <freebsd@grem.de>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in
16 *    the documentation and/or other materials provided with the
17 *    distribution.
18 * 3. Neither the name of The DragonFly Project nor the names of its
19 *    contributors may be used to endorse or promote products derived
20 *    from this software without specific, prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef _SYS_DEV_SMBUS_CYAPA_CYAPA_H_
37#define _SYS_DEV_SMBUS_CYAPA_CYAPA_H_
38
39#define CYAPA_MAX_MT    5
40
41/*
42 * Boot-time registers.  This is the device map
43 * if (stat & CYAPA_STAT_RUNNING) is 0.
44 */
45struct cyapa_boot_regs {
46	uint8_t stat;			/* CYAPA_STAT_xxx */
47	uint8_t boot;			/* CYAPA_BOOT_xxx */
48	uint8_t error;
49} __packed;
50
51#define CYAPA_BOOT_BUSY		0x80
52#define CYAPA_BOOT_RUNNING	0x10
53#define CYAPA_BOOT_DATA_VALID	0x08
54#define CYAPA_BOOT_CSUM_VALID	0x01
55
56#define CYAPA_ERROR_INVALID     0x80
57#define CYAPA_ERROR_INVALID_KEY 0x40
58#define CYAPA_ERROR_BOOTLOADER	0x20
59#define CYAPA_ERROR_CMD_CSUM    0x10
60#define CYAPA_ERROR_FLASH_PROT  0x08
61#define CYAPA_ERROR_FLASH_CSUM  0x04
62
63struct cyapa_regs {
64	uint8_t stat;
65	uint8_t fngr;
66
67	struct {
68		uint8_t xy_high;        /* 7:4 high 4 bits of x */
69		uint8_t x_low;          /* 3:0 high 4 bits of y */
70		uint8_t y_low;
71		uint8_t pressure;
72		uint8_t id;             /* 1-15 incremented each touch */
73	} touch[CYAPA_MAX_MT];
74} __packed;
75
76struct cyapa_cap {
77	uint8_t prod_ida[5];    /* 0x00 - 0x04 */
78	uint8_t prod_idb[6];    /* 0x05 - 0x0A */
79	uint8_t prod_idc[2];    /* 0x0B - 0x0C */
80	uint8_t reserved[6];    /* 0x0D - 0x12 */
81	uint8_t buttons;        /* 0x13 */
82	uint8_t gen;            /* 0x14, low 4 bits */
83	uint8_t max_abs_xy_high;/* 0x15 7:4 high x bits, 3:0 high y bits */
84	uint8_t max_abs_x_low;  /* 0x16 */
85	uint8_t max_abs_y_low;  /* 0x17 */
86	uint8_t phy_siz_xy_high;/* 0x18 7:4 high x bits, 3:0 high y bits */
87	uint8_t phy_siz_x_low;  /* 0x19 */
88	uint8_t phy_siz_y_low;  /* 0x1A */
89} __packed;
90
91#define CYAPA_STAT_RUNNING      0x80
92#define CYAPA_STAT_PWR_MASK     0x0C
93#define  CYAPA_PWR_OFF          0x00
94#define  CYAPA_PWR_IDLE         0x08
95#define  CYAPA_PWR_ACTIVE       0x0C
96
97#define CYAPA_STAT_DEV_MASK     0x03
98#define  CYAPA_DEV_NORMAL       0x03
99#define  CYAPA_DEV_BUSY         0x01
100
101#define CYAPA_FNGR_DATA_VALID   0x08
102#define CYAPA_FNGR_MIDDLE       0x04
103#define CYAPA_FNGR_RIGHT        0x02
104#define CYAPA_FNGR_LEFT         0x01
105#define CYAPA_FNGR_NUMFINGERS(c) (((c) >> 4) & 0x0F)
106
107#define CYAPA_TOUCH_X(regs, i)  ((((regs)->touch[i].xy_high << 4) & 0x0F00) | \
108				  (regs)->touch[i].x_low)
109#define CYAPA_TOUCH_Y(regs, i)  ((((regs)->touch[i].xy_high << 8) & 0x0F00) | \
110				  (regs)->touch[i].y_low)
111#define CYAPA_TOUCH_P(regs, i)  ((regs)->touch[i].pressure)
112
113#define CMD_BOOT_STATUS		0x00	/* only if in boot state */
114#define CMD_DEV_STATUS          0x00	/* only if in operational state */
115#define CMD_SOFT_RESET          0x28
116#define CMD_POWER_MODE          0x29
117#define  CMD_POWER_MODE_OFF	0x00
118#define  CMD_POWER_MODE_IDLE	0x14
119#define  CMD_POWER_MODE_FULL	0xFC
120#define CMD_QUERY_CAPABILITIES  0x2A
121
122#endif
123