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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/input/mouse/sentelic.h
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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) 2005-2009 Tai-hwa Liang, Sentelic Corporation.

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 *

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 *   This program is free software; you can redistribute it and/or

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 *   modify it under the terms of the GNU General Public License

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 *   as published by the Free Software Foundation; either version 2

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 *   of the License, or (at your option) any later version.

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 *

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 *   This program is distributed in the hope that it will be useful,

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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 *   GNU General Public License for more details.

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 *

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 *   You should have received a copy of the GNU General Public License

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 *   along with this program; if not, write to the Free Software

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 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

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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_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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/* 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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#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 char	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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};

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#ifdef CONFIG_MOUSE_PS2_SENTELIC

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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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#else

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inline int fsp_detect(struct psmouse *psmouse, bool set_properties)

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{

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	return -ENOSYS;

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}

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inline int fsp_init(struct psmouse *psmouse)

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{

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	return -ENOSYS;

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}

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#endif

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#endif	/* __KERNEL__ */

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#endif	/* !__SENTELIC_H */

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