1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Finger Sensing Pad PS/2 mouse driver.
5 * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
6 * Copyright (C) 2005-2012 Tai-hwa Liang, Sentelic Corporation.
12 /* Finger-sensing Pad information registers */
13 #define FSP_REG_DEVICE_ID 0x00
14 #define FSP_REG_VERSION 0x01
15 #define FSP_REG_REVISION 0x04
16 #define FSP_REG_TMOD_STATUS1 0x0B
17 #define FSP_BIT_NO_ROTATION BIT(3)
18 #define FSP_REG_PAGE_CTRL 0x0F
20 /* Finger-sensing Pad control registers */
21 #define FSP_REG_SYSCTL1 0x10
22 #define FSP_BIT_EN_REG_CLK BIT(5)
23 #define FSP_REG_TMOD_STATUS 0x20
24 #define FSP_REG_OPC_QDOWN 0x31
25 #define FSP_BIT_EN_OPC_TAG BIT(7)
26 #define FSP_REG_OPTZ_XLO 0x34
27 #define FSP_REG_OPTZ_XHI 0x35
28 #define FSP_REG_OPTZ_YLO 0x36
29 #define FSP_REG_OPTZ_YHI 0x37
30 #define FSP_REG_SYSCTL5 0x40
31 #define FSP_BIT_90_DEGREE BIT(0)
32 #define FSP_BIT_EN_MSID6 BIT(1)
33 #define FSP_BIT_EN_MSID7 BIT(2)
34 #define FSP_BIT_EN_MSID8 BIT(3)
35 #define FSP_BIT_EN_AUTO_MSID8 BIT(5)
36 #define FSP_BIT_EN_PKT_G0 BIT(6)
38 #define FSP_REG_ONPAD_CTL 0x43
39 #define FSP_BIT_ONPAD_ENABLE BIT(0)
40 #define FSP_BIT_ONPAD_FBBB BIT(1)
41 #define FSP_BIT_FIX_VSCR BIT(3)
42 #define FSP_BIT_FIX_HSCR BIT(5)
43 #define FSP_BIT_DRAG_LOCK BIT(6)
45 #define FSP_REG_SWC1 (0x90)
46 #define FSP_BIT_SWC1_EN_ABS_1F BIT(0)
47 #define FSP_BIT_SWC1_EN_GID BIT(1)
48 #define FSP_BIT_SWC1_EN_ABS_2F BIT(2)
49 #define FSP_BIT_SWC1_EN_FUP_OUT BIT(3)
50 #define FSP_BIT_SWC1_EN_ABS_CON BIT(4)
51 #define FSP_BIT_SWC1_GST_GRP0 BIT(5)
52 #define FSP_BIT_SWC1_GST_GRP1 BIT(6)
53 #define FSP_BIT_SWC1_BX_COMPAT BIT(7)
55 #define FSP_PAGE_0B (0x0b)
56 #define FSP_PAGE_82 (0x82)
57 #define FSP_PAGE_DEFAULT FSP_PAGE_82
59 #define FSP_REG_SN0 (0x40)
60 #define FSP_REG_SN1 (0x41)
61 #define FSP_REG_SN2 (0x42)
63 /* Finger-sensing Pad packet formating related definitions */
65 /* absolute packet type */
66 #define FSP_PKT_TYPE_NORMAL (0x00)
67 #define FSP_PKT_TYPE_ABS (0x01)
68 #define FSP_PKT_TYPE_NOTIFY (0x02)
69 #define FSP_PKT_TYPE_NORMAL_OPC (0x03)
70 #define FSP_PKT_TYPE_SHIFT (6)
72 /* bit definitions for the first byte of report packet */
73 #define FSP_PB0_LBTN BIT(0)
74 #define FSP_PB0_RBTN BIT(1)
75 #define FSP_PB0_MBTN BIT(2)
76 #define FSP_PB0_MFMC_FGR2 FSP_PB0_MBTN
77 #define FSP_PB0_MUST_SET BIT(3)
78 #define FSP_PB0_PHY_BTN BIT(4)
79 #define FSP_PB0_MFMC BIT(5)
81 /* hardware revisions */
82 #define FSP_VER_STL3888_A4 (0xC1)
83 #define FSP_VER_STL3888_B0 (0xD0)
84 #define FSP_VER_STL3888_B1 (0xD1)
85 #define FSP_VER_STL3888_B2 (0xD2)
86 #define FSP_VER_STL3888_C0 (0xE0)
87 #define FSP_VER_STL3888_C1 (0xE1)
88 #define FSP_VER_STL3888_D0 (0xE2)
89 #define FSP_VER_STL3888_D1 (0xE3)
90 #define FSP_VER_STL3888_E0 (0xE4)
95 unsigned char ver; /* hardware version */
96 unsigned char rev; /* hardware revison */
97 unsigned int buttons; /* Number of buttons */
99 #define FSPDRV_FLAG_EN_OPC (0x001) /* enable on-pad clicking */
101 bool vscroll; /* Vertical scroll zone enabled */
102 bool hscroll; /* Horizontal scroll zone enabled */
104 unsigned char last_reg; /* Last register we requested read from */
105 unsigned char last_val;
106 unsigned int last_mt_fgr; /* Last seen finger(multitouch) */
109 extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
110 extern int fsp_init(struct psmouse *psmouse);
112 #endif /* __KERNEL__ */
114 #endif /* !__SENTELIC_H */