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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*-
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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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