7b19ada2ed
get rid of input BIT* duplicate defines use newly global defined macros for input layer. Also remove includes of input.h from non-input sources only for BIT macro definiton. Define the macro temporarily in local manner, all those local definitons will be removed further in this patchset (to not break bisecting). BIT macro will be globally defined (1<<x) Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: <dtor@mail.ru> Acked-by: Jiri Kosina <jkosina@suse.cz> Cc: <lenb@kernel.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Cc: <perex@suse.cz> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: <vernux@us.ibm.com> Cc: <malattia@linux.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
101 lines
3 KiB
C
101 lines
3 KiB
C
/* ----------------------------------------------------------------------------
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* touchkit_ps2.c -- Driver for eGalax TouchKit PS/2 Touchscreens
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*
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* Copyright (C) 2005 by Stefan Lucke
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* Copyright (C) 2004 by Daniel Ritz
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* Copyright (C) by Todd E. Johnson (mtouchusb.c)
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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 as
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* published by the Free Software Foundation; either version 2 of the
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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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* Based upon touchkitusb.c
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*
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* Vendor documentation is available in support section of:
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* http://www.egalax.com.tw/
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*/
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/input.h>
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#include <linux/serio.h>
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#include <linux/libps2.h>
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#include "psmouse.h"
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#include "touchkit_ps2.h"
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#define TOUCHKIT_MAX_XC 0x07ff
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#define TOUCHKIT_MAX_YC 0x07ff
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#define TOUCHKIT_CMD 0x0a
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#define TOUCHKIT_CMD_LENGTH 1
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#define TOUCHKIT_CMD_ACTIVE 'A'
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#define TOUCHKIT_CMD_FIRMWARE_VERSION 'D'
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#define TOUCHKIT_CMD_CONTROLLER_TYPE 'E'
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#define TOUCHKIT_SEND_PARMS(s, r, c) ((s) << 12 | (r) << 8 | (c))
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#define TOUCHKIT_GET_TOUCHED(packet) (((packet)[0]) & 0x01)
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#define TOUCHKIT_GET_X(packet) (((packet)[1] << 7) | (packet)[2])
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#define TOUCHKIT_GET_Y(packet) (((packet)[3] << 7) | (packet)[4])
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static psmouse_ret_t touchkit_ps2_process_byte(struct psmouse *psmouse)
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{
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unsigned char *packet = psmouse->packet;
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struct input_dev *dev = psmouse->dev;
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if (psmouse->pktcnt != 5)
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return PSMOUSE_GOOD_DATA;
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input_report_abs(dev, ABS_X, TOUCHKIT_GET_X(packet));
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input_report_abs(dev, ABS_Y, TOUCHKIT_GET_Y(packet));
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input_report_key(dev, BTN_TOUCH, TOUCHKIT_GET_TOUCHED(packet));
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input_sync(dev);
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return PSMOUSE_FULL_PACKET;
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}
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int touchkit_ps2_detect(struct psmouse *psmouse, int set_properties)
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{
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struct input_dev *dev = psmouse->dev;
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unsigned char param[3];
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int command;
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param[0] = TOUCHKIT_CMD_LENGTH;
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param[1] = TOUCHKIT_CMD_ACTIVE;
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command = TOUCHKIT_SEND_PARMS(2, 3, TOUCHKIT_CMD);
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if (ps2_command(&psmouse->ps2dev, param, command))
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return -ENODEV;
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if (param[0] != TOUCHKIT_CMD || param[1] != 0x01 ||
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param[2] != TOUCHKIT_CMD_ACTIVE)
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return -ENODEV;
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if (set_properties) {
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dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
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set_bit(BTN_TOUCH, dev->keybit);
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input_set_abs_params(dev, ABS_X, 0, TOUCHKIT_MAX_XC, 0, 0);
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input_set_abs_params(dev, ABS_Y, 0, TOUCHKIT_MAX_YC, 0, 0);
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psmouse->vendor = "eGalax";
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psmouse->name = "Touchscreen";
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psmouse->protocol_handler = touchkit_ps2_process_byte;
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psmouse->pktsize = 5;
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}
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return 0;
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}
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