1 /*-
2 * Finger Sensing Pad PS/2 mouse driver.
3 *
4 * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
5 * Copyright (C) 2005-2009 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_OPC_QDOWN 0x31
37 #define FSP_BIT_EN_OPC_TAG BIT(7)
38 #define FSP_REG_OPTZ_XLO 0x34
39 #define FSP_REG_OPTZ_XHI 0x35
40 #define FSP_REG_OPTZ_YLO 0x36
41 #define FSP_REG_OPTZ_YHI 0x37
42 #define FSP_REG_SYSCTL5 0x40
43 #define FSP_BIT_90_DEGREE BIT(0)
44 #define FSP_BIT_EN_MSID6 BIT(1)
45 #define FSP_BIT_EN_MSID7 BIT(2)
46 #define FSP_BIT_EN_MSID8 BIT(3)
47 #define FSP_BIT_EN_AUTO_MSID8 BIT(5)
48 #define FSP_BIT_EN_PKT_G0 BIT(6)
49
50 #define FSP_REG_ONPAD_CTL 0x43
51 #define FSP_BIT_ONPAD_ENABLE BIT(0)
52 #define FSP_BIT_ONPAD_FBBB BIT(1)
53 #define FSP_BIT_FIX_VSCR BIT(3)
54 #define FSP_BIT_FIX_HSCR BIT(5)
55 #define FSP_BIT_DRAG_LOCK BIT(6)
56
57 /* Finger-sensing Pad packet formating related definitions */
58
59 /* absolute packet type */
60 #define FSP_PKT_TYPE_NORMAL (0x00)
61 #define FSP_PKT_TYPE_ABS (0x01)
62 #define FSP_PKT_TYPE_NOTIFY (0x02)
63 #define FSP_PKT_TYPE_NORMAL_OPC (0x03)
64 #define FSP_PKT_TYPE_SHIFT (6)
65
66 #ifdef __KERNEL__
67
68 struct fsp_data {
69 unsigned char ver; /* hardware version */
70 unsigned char rev; /* hardware revison */
71 unsigned char buttons; /* Number of buttons */
72 unsigned int flags;
73 #define FSPDRV_FLAG_EN_OPC (0x001) /* enable on-pad clicking */
74
75 bool vscroll; /* Vertical scroll zone enabled */
76 bool hscroll; /* Horizontal scroll zone enabled */
77
78 unsigned char last_reg; /* Last register we requested read from */
79 unsigned char last_val;
80 };
81
82 #ifdef CONFIG_MOUSE_PS2_SENTELIC
83 extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
84 extern int fsp_init(struct psmouse *psmouse);
85 #else
fsp_detect(struct psmouse * psmouse,bool set_properties)86 inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
87 {
88 return -ENOSYS;
89 }
fsp_init(struct psmouse * psmouse)90 inline int fsp_init(struct psmouse *psmouse)
91 {
92 return -ENOSYS;
93 }
94 #endif
95
96 #endif /* __KERNEL__ */
97
98 #endif /* !__SENTELIC_H */
99