lkml.org 
[lkml]   [2008]   [May]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] Add support for HTC Shift Touchscreen
    On Mon, May 19, 2008 at 6:16 AM, Pau Oliva Fora <pau@eslack.org> wrote:
    > The patch below adds support for HTC Shift UMPC touchscreen.
    >
    > Signed-off-by: Pau Oliva Fora <pau@eslack.org>
    >
    > ---
    >
    > Patch against linux-2.6.25.4, should apply clean on other versions too.
    > Includes all the suggestions by Sam Ravnborg, Pekka Enberg and Marcin
    > Slusarz.
    >
    >
    > diff -uprN linux-2.6.25.4/drivers/input/touchscreen/htcpen.c
    > linux/drivers/input/touchscreen/htcpen.c
    > --- linux-2.6.25.4/drivers/input/touchscreen/htcpen.c 1970-01-01
    > 01:00:00.000000000 +0100
    > +++ linux/drivers/input/touchscreen/htcpen.c 2008-05-19
    > 04:44:16.000000000 +0200
    > @@ -0,0 +1,199 @@
    > +/*
    > + * HTC Shift touchscreen driver
    > + *
    > + * Copyright (C) 2008 Pau Oliva Fora <pof@eslack.org>
    > + *
    > + * Thanks to:
    > + * Heikki Linnakangas - Penmount LPC touchscreen driver
    > + * Wacom / Ping Cheng - Help on linuxwacom-devel
    > + * Esteve Espuna - Ideas, tips, moral support :)
    > + *
    > + * This program is free software; you can redistribute it and/or modify it
    > + * under the terms of the GNU General Public License version 2 as published
    > + * by the Free Software Foundation.
    > + */
    > +
    > +#include <linux/errno.h>
    > +#include <linux/kernel.h>
    > +#include <linux/module.h>
    > +#include <linux/input.h>
    > +#include <linux/interrupt.h>
    > +#include <linux/io.h>
    > +#include <linux/init.h>
    > +#include <linux/irq.h>
    > +#include <linux/isa.h>
    > +
    > +#define DRIVER_VERSION "0.7"
    > +#define DRIVER_DESC "HTC Shift touchscreen driver v" DRIVER_VERSION
    > +
    > +MODULE_AUTHOR("Pau Oliva Fora <pau@eslack.org>");
    > +MODULE_DESCRIPTION(DRIVER_DESC);
    > +MODULE_VERSION(DRIVER_VERSION);
    > +MODULE_LICENSE("GPL");
    > +
    > +#define HTCPEN_PORT_IRQ_CLEAR 0x068
    > +#define HTCPEN_PORT_INIT 0x06c
    > +#define HTCPEN_PORT_INDEX 0x0250
    > +#define HTCPEN_PORT_DATA 0x0251
    > +#define HTCPEN_IRQ 3
    > +
    > +#define X_INDEX 3
    > +#define Y_INDEX 5
    > +#define LSB_XY_INDEX 0xc
    > +#define X_AXIS_MAX 2040
    > +#define Y_AXIS_MAX 2040
    > +#define DEVICE_ENABLE 0xa2
    > +
    > +static int inverse_x;
    > +module_param(inverse_x, bool, 0644);
    > +MODULE_PARM_DESC(inverse_x, "If set X axis is inversed");
    > +static int inverse_y;
    > +module_param(inverse_y, bool, 0644);
    > +MODULE_PARM_DESC(inverse_y, "If set Y axis is inversed");
    > +
    > +struct input_dev *htcpen_dev;

    The point of converting to isa_register_driver() is to use
    dev_set_drvdata()/dev_get_drvdata() instead of having a global
    variable like this.


    \
     
     \ /
      Last update: 2008-05-19 07:25    [W:0.038 / U:29.936 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site