1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/*- 3 * Finger Sensing Pad PS/2 mouse driver. 4 * 5 * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd. 6 * Copyright (C) 2005-2012 Tai-hwa Liang, Sentelic Corporation. 7 */ 8 9#ifndef __SENTELIC_H 10#define __SENTELIC_H 11 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 19 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) 37 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) 44 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) 54 55#define FSP_PAGE_0B (0x0b) 56#define FSP_PAGE_82 (0x82) 57#define FSP_PAGE_DEFAULT FSP_PAGE_82 58 59#define FSP_REG_SN0 (0x40) 60#define FSP_REG_SN1 (0x41) 61#define FSP_REG_SN2 (0x42) 62 63/* Finger-sensing Pad packet formating related definitions */ 64 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) 71 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) 80 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) 91 92#ifdef __KERNEL__ 93 94struct fsp_data { 95 unsigned char ver; /* hardware version */ 96 unsigned char rev; /* hardware revison */ 97 unsigned int buttons; /* Number of buttons */ 98 unsigned int flags; 99#define FSPDRV_FLAG_EN_OPC (0x001) /* enable on-pad clicking */ 100 101 bool vscroll; /* Vertical scroll zone enabled */ 102 bool hscroll; /* Horizontal scroll zone enabled */ 103 104 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) */ 107}; 108 109extern int fsp_detect(struct psmouse *psmouse, bool set_properties); 110extern int fsp_init(struct psmouse *psmouse); 111 112#endif /* __KERNEL__ */ 113 114#endif /* !__SENTELIC_H */ 115