drivers/input/mouse/sentelic.h

   1 /*-
   2  * Finger Sensing Pad PS/2 mouse driver.
   3  *
   4  * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
   5  * Copyright (C) 2005-2009 Tai-hwa Liang, Sentelic Corporation.
   6  *
   7  *   This program is free software; you can redistribute it and/or
   8  *   modify it under the terms of the GNU General Public License
   9  *   as published by the Free Software Foundation; either version 2
  10  *   of the License, or (at your option) any later version.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #ifndef __SENTELIC_H
  23 #define __SENTELIC_H
  24
  25 /* Finger-sensing Pad information registers */
  26 #define FSP_REG_DEVICE_ID       0x00
  27 #define FSP_REG_VERSION         0x01
  28 #define FSP_REG_REVISION        0x04
  29 #define FSP_REG_TMOD_STATUS1    0x0B
  30 #define FSP_BIT_NO_ROTATION     BIT(3)
  31 #define FSP_REG_PAGE_CTRL       0x0F
  32
  33 /* Finger-sensing Pad control registers */
  34 #define FSP_REG_SYSCTL1         0x10
  35 #define FSP_BIT_EN_REG_CLK      BIT(5)
  36 #define FSP_REG_OPC_QDOWN       0x31
  37 #define FSP_BIT_EN_OPC_TAG      BIT(7)
  38 #define FSP_REG_OPTZ_XLO        0x34
  39 #define FSP_REG_OPTZ_XHI        0x35
  40 #define FSP_REG_OPTZ_YLO        0x36
  41 #define FSP_REG_OPTZ_YHI        0x37
  42 #define FSP_REG_SYSCTL5         0x40
  43 #define FSP_BIT_90_DEGREE       BIT(0)
  44 #define FSP_BIT_EN_MSID6        BIT(1)
  45 #define FSP_BIT_EN_MSID7        BIT(2)
  46 #define FSP_BIT_EN_MSID8        BIT(3)
  47 #define FSP_BIT_EN_AUTO_MSID8   BIT(5)
  48 #define FSP_BIT_EN_PKT_G0       BIT(6)
  49
  50 #define FSP_REG_ONPAD_CTL       0x43
  51 #define FSP_BIT_ONPAD_ENABLE    BIT(0)
  52 #define FSP_BIT_ONPAD_FBBB      BIT(1)
  53 #define FSP_BIT_FIX_VSCR        BIT(3)
  54 #define FSP_BIT_FIX_HSCR        BIT(5)
  55 #define FSP_BIT_DRAG_LOCK       BIT(6)
  56
  57 /* Finger-sensing Pad packet formating related definitions */
  58
  59 /* absolute packet type */
  60 #define FSP_PKT_TYPE_NORMAL     (0x00)
  61 #define FSP_PKT_TYPE_ABS        (0x01)
  62 #define FSP_PKT_TYPE_NOTIFY     (0x02)
  63 #define FSP_PKT_TYPE_NORMAL_OPC (0x03)
  64 #define FSP_PKT_TYPE_SHIFT      (6)
  65
  66 #ifdef __KERNEL__
  67
  68 struct fsp_data {
  69         unsigned char   ver;            /* hardware version */
  70         unsigned char   rev;            /* hardware revison */
  71         unsigned char   buttons;        /* Number of buttons */
  72         unsigned int    flags;
  73 #define FSPDRV_FLAG_EN_OPC      (0x001) /* enable on-pad clicking */
  74
  75         bool            vscroll;        /* Vertical scroll zone enabled */
  76         bool            hscroll;        /* Horizontal scroll zone enabled */
  77
  78         unsigned char   last_reg;       /* Last register we requested read from */
  79         unsigned char   last_val;
  80 };
  81
  82 #ifdef CONFIG_MOUSE_PS2_SENTELIC
  83 extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
  84 extern int fsp_init(struct psmouse *psmouse);
  85 #else
  86 inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
  87 {
  88         return -ENOSYS;
  89 }
  90 inline int fsp_init(struct psmouse *psmouse)
  91 {
  92         return -ENOSYS;
  93 }
  94 #endif
  95
  96 #endif  /* __KERNEL__ */
  97
  98 #endif  /* !__SENTELIC_H */