/* SPDX-License-Identifier: GPL-2.0-or-later */
/*-
* Finger Sensing Pad PS/2 mouse driver.
*
* Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
* Copyright (C) 2005-2012 Tai-hwa Liang, Sentelic Corporation.
*/
#ifndef __SENTELIC_H
#define __SENTELIC_H
/* Finger-sensing Pad information registers */
#define FSP_REG_DEVICE_ID 0x00
#define FSP_REG_VERSION 0x01
#define FSP_REG_REVISION 0x04
#define FSP_REG_TMOD_STATUS1 0x0B
#define FSP_BIT_NO_ROTATION BIT(3)
#define FSP_REG_PAGE_CTRL 0x0F
/* Finger-sensing Pad control registers */
#define FSP_REG_SYSCTL1 0x10
#define FSP_BIT_EN_REG_CLK BIT(5)
#define FSP_REG_TMOD_STATUS 0x20
#define FSP_REG_OPC_QDOWN 0x31
#define FSP_BIT_EN_OPC_TAG BIT(7)
#define FSP_REG_OPTZ_XLO 0x34
#define FSP_REG_OPTZ_XHI 0x35
#define FSP_REG_OPTZ_YLO 0x36
#define FSP_REG_OPTZ_YHI 0x37
#define FSP_REG_SYSCTL5 0x40
#define FSP_BIT_90_DEGREE BIT(0)
#define FSP_BIT_EN_MSID6 BIT(1)
#define FSP_BIT_EN_MSID7 BIT(2)
#define FSP_BIT_EN_MSID8 BIT(3)
#define FSP_BIT_EN_AUTO_MSID8 BIT(5)
#define FSP_BIT_EN_PKT_G0 BIT(6)
#define FSP_REG_ONPAD_CTL 0x43
#define FSP_BIT_ONPAD_ENABLE BIT(0)
#define FSP_BIT_ONPAD_FBBB BIT(1)
#define FSP_BIT_FIX_VSCR BIT(3)
#define FSP_BIT_FIX_HSCR BIT(5)
#define FSP_BIT_DRAG_LOCK BIT(6)
#define FSP_REG_SWC1 (0x90)
#define FSP_BIT_SWC1_EN_ABS_1F BIT(0)
#define FSP_BIT_SWC1_EN_GID BIT(1)
#define FSP_BIT_SWC1_EN_ABS_2F BIT(2)
#define FSP_BIT_SWC1_EN_FUP_OUT BIT(3)
#define FSP_BIT_SWC1_EN_ABS_CON BIT(4)
#define FSP_BIT_SWC1_GST_GRP0 BIT(5)
#define FSP_BIT_SWC1_GST_GRP1 BIT(6)
#define FSP_BIT_SWC1_BX_COMPAT BIT(7)
#define FSP_PAGE_0B (0x0b)
#define FSP_PAGE_82 (0x82)
#define FSP_PAGE_DEFAULT FSP_PAGE_82
#define FSP_REG_SN0 (0x40)
#define FSP_REG_SN1 (0x41)
#define FSP_REG_SN2 (0x42)
/* Finger-sensing Pad packet formating related definitions */
/* absolute packet type */
#define FSP_PKT_TYPE_NORMAL (0x00)
#define FSP_PKT_TYPE_ABS (0x01)
#define FSP_PKT_TYPE_NOTIFY (0x02)
#define FSP_PKT_TYPE_NORMAL_OPC (0x03)
#define FSP_PKT_TYPE_SHIFT (6)
/* bit definitions for the first byte of report packet */
#define FSP_PB0_LBTN BIT(0)
#define FSP_PB0_RBTN BIT(1)
#define FSP_PB0_MBTN BIT(2)
#define FSP_PB0_MFMC_FGR2 FSP_PB0_MBTN
#define FSP_PB0_MUST_SET BIT(3)
#define FSP_PB0_PHY_BTN BIT(4)
#define FSP_PB0_MFMC BIT(5)
/* hardware revisions */
#define FSP_VER_STL3888_A4 (0xC1)
#define FSP_VER_STL3888_B0 (0xD0)
#define FSP_VER_STL3888_B1 (0xD1)
#define FSP_VER_STL3888_B2 (0xD2)
#define FSP_VER_STL3888_C0 (0xE0)
#define FSP_VER_STL3888_C1 (0xE1)
#define FSP_VER_STL3888_D0 (0xE2)
#define FSP_VER_STL3888_D1 (0xE3)
#define FSP_VER_STL3888_E0 (0xE4)
#ifdef __KERNEL__
struct fsp_data {
unsigned char ver; /* hardware version */
unsigned char rev; /* hardware revison */
unsigned int buttons; /* Number of buttons */
unsigned int flags;
#define FSPDRV_FLAG_EN_OPC (0x001) /* enable on-pad clicking */
bool vscroll; /* Vertical scroll zone enabled */
bool hscroll; /* Horizontal scroll zone enabled */
unsigned char last_reg; /* Last register we requested read from */
unsigned char last_val;
unsigned int last_mt_fgr; /* Last seen finger(multitouch) */
};
extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
extern int fsp_init(struct psmouse *psmouse);
#endif /* __KERNEL__ */
#endif /* !__SENTELIC_H */
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