tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*-
2 * Finger Sensing Pad PS/2 mouse driver.
3 *
4 * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
5 * Copyright (C) 2005-2011 Tai-hwa Liang, Sentelic Corporation.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#ifndef __SENTELIC_H
23#define __SENTELIC_H
24
25/* Finger-sensing Pad information registers */
26#define FSP_REG_DEVICE_ID 0x00
27#define FSP_REG_VERSION 0x01
28#define FSP_REG_REVISION 0x04
29#define FSP_REG_TMOD_STATUS1 0x0B
30#define FSP_BIT_NO_ROTATION BIT(3)
31#define FSP_REG_PAGE_CTRL 0x0F
32
33/* Finger-sensing Pad control registers */
34#define FSP_REG_SYSCTL1 0x10
35#define FSP_BIT_EN_REG_CLK BIT(5)
36#define FSP_REG_TMOD_STATUS 0x20
37#define FSP_REG_OPC_QDOWN 0x31
38#define FSP_BIT_EN_OPC_TAG BIT(7)
39#define FSP_REG_OPTZ_XLO 0x34
40#define FSP_REG_OPTZ_XHI 0x35
41#define FSP_REG_OPTZ_YLO 0x36
42#define FSP_REG_OPTZ_YHI 0x37
43#define FSP_REG_SYSCTL5 0x40
44#define FSP_BIT_90_DEGREE BIT(0)
45#define FSP_BIT_EN_MSID6 BIT(1)
46#define FSP_BIT_EN_MSID7 BIT(2)
47#define FSP_BIT_EN_MSID8 BIT(3)
48#define FSP_BIT_EN_AUTO_MSID8 BIT(5)
49#define FSP_BIT_EN_PKT_G0 BIT(6)
50
51#define FSP_REG_ONPAD_CTL 0x43
52#define FSP_BIT_ONPAD_ENABLE BIT(0)
53#define FSP_BIT_ONPAD_FBBB BIT(1)
54#define FSP_BIT_FIX_VSCR BIT(3)
55#define FSP_BIT_FIX_HSCR BIT(5)
56#define FSP_BIT_DRAG_LOCK BIT(6)
57
58/* Finger-sensing Pad packet formating related definitions */
59
60/* absolute packet type */
61#define FSP_PKT_TYPE_NORMAL (0x00)
62#define FSP_PKT_TYPE_ABS (0x01)
63#define FSP_PKT_TYPE_NOTIFY (0x02)
64#define FSP_PKT_TYPE_NORMAL_OPC (0x03)
65#define FSP_PKT_TYPE_SHIFT (6)
66
67#ifdef __KERNEL__
68
69struct fsp_data {
70 unsigned char ver; /* hardware version */
71 unsigned char rev; /* hardware revison */
72 unsigned char buttons; /* Number of buttons */
73 unsigned int flags;
74#define FSPDRV_FLAG_EN_OPC (0x001) /* enable on-pad clicking */
75
76 bool vscroll; /* Vertical scroll zone enabled */
77 bool hscroll; /* Horizontal scroll zone enabled */
78
79 unsigned char last_reg; /* Last register we requested read from */
80 unsigned char last_val;
81};
82
83#ifdef CONFIG_MOUSE_PS2_SENTELIC
84extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
85extern int fsp_init(struct psmouse *psmouse);
86#else
87inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
88{
89 return -ENOSYS;
90}
91inline int fsp_init(struct psmouse *psmouse)
92{
93 return -ENOSYS;
94}
95#endif
96
97#endif /* __KERNEL__ */
98
99#endif /* !__SENTELIC_H */