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