Input: add new driver for Sentelic Finger Sensing Pad

This is the driver for Sentelic Finger Sensing Pad which can be found
on MSI WIND Netbook.

Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 98 insertions, 0 deletions

diff --git a/drivers/input/mouse/sentelic.h b/drivers/input/mouse/sentelic.h
new file mode 100644
index 000000000000..083559c7282b
--- /dev/null
+++ b/drivers/input/mouse/sentelic.h
@@ -0,0 +1,98 @@
+/*-
+ * Finger Sensing Pad PS/2 mouse driver.
+ *
+ * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
+ * Copyright (C) 2005-2009 Tai-hwa Liang, Sentelic Corporation.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation; either version 2
+ *   of the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#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_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)
+
+/* 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)
+
+#ifdef __KERNEL__
+
+struct fsp_data {
+        unsigned char   ver;            /* hardware version */
+        unsigned char   rev;            /* hardware revison */
+        unsigned char   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;
+};
+
+#ifdef CONFIG_MOUSE_PS2_SENTELIC
+extern int fsp_detect(struct psmouse *psmouse, int set_properties);
+extern int fsp_init(struct psmouse *psmouse);
+#else
+inline int fsp_detect(struct psmouse *psmouse, int set_properties)
+{
+        return -ENOSYS;
+}
+inline int fsp_init(struct psmouse *psmouse)
+{
+        return -ENOSYS;
+}
+#endif
+
+#endif  /* __KERNEL__ */
+
+#endif  /* !__SENTELIC_H */