[IrDA]: Irport removal - part 2

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 288 deletions

diff --git a/drivers/net/irda/actisys.c b/drivers/net/irda/actisys.c
deleted file mode 100644
index ae0b80a5680c..000000000000
--- a/drivers/net/irda/actisys.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*********************************************************************
- *                
- * Filename:      actisys.c
- * Version:       1.0
- * Description:   Implementation for the ACTiSYS IR-220L and IR-220L+ 
- *                dongles
- * Status:        Beta.
- * Authors:       Dag Brattli <dagb@cs.uit.no> (initially)
- *                Jean Tourrilhes <jt@hpl.hp.com> (new version)
- * Created at:    Wed Oct 21 20:02:35 1998
- * Modified at:   Fri Dec 17 09:10:43 1999
- * Modified by:   Dag Brattli <dagb@cs.uit.no>
- * 
- *     Copyright (c) 1998-1999 Dag Brattli, All Rights Reserved.
- *     Copyright (c) 1999 Jean Tourrilhes
- *      
- *     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.
- *  
- *     Neither Dag Brattli nor University of Tromsø admit liability nor
- *     provide warranty for any of this software. This material is 
- *     provided "AS-IS" and at no charge.
- *     
- ********************************************************************/
-
-/*
- * Changelog
- *
- * 0.8 -> 0.9999 - Jean
- *      o New initialisation procedure : much safer and correct
- *      o New procedure the change speed : much faster and simpler
- *      o Other cleanups & comments
- *      Thanks to Lichen Wang @ Actisys for his excellent help...
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/tty.h>
-#include <linux/init.h>
-
-#include <net/irda/irda.h>
-#include <net/irda/irda_device.h>
-
-/* 
- * Define the timing of the pulses we send to the dongle (to reset it, and
- * to toggle speeds). Basically, the limit here is the propagation speed of
- * the signals through the serial port, the dongle being much faster.  Any
- * serial port support 115 kb/s, so we are sure that pulses 8.5 us wide can
- * go through cleanly . If you are on the wild side, you can try to lower
- * this value (Actisys recommended me 2 us, and 0 us work for me on a P233!)
- */
-#define MIN_DELAY 10    /* 10 us to be on the conservative side */
-
-static int  actisys_change_speed(struct irda_task *task);
-static int  actisys_reset(struct irda_task *task);
-static void actisys_open(dongle_t *self, struct qos_info *qos);
-static void actisys_close(dongle_t *self);
-
-/* These are the baudrates supported, in the order available */
-/* Note : the 220L doesn't support 38400, but we will fix that below */
-static __u32 baud_rates[] = { 9600, 19200, 57600, 115200, 38400 };
-#define MAX_SPEEDS 5
-
-static struct dongle_reg dongle = {
-        .type = IRDA_ACTISYS_DONGLE,
-        .open = actisys_open,
-        .close = actisys_close,
-        .reset = actisys_reset,
-        .change_speed = actisys_change_speed,
-        .owner = THIS_MODULE,
-};
-
-static struct dongle_reg dongle_plus = {
-        .type = IRDA_ACTISYS_PLUS_DONGLE,
-        .open = actisys_open,
-        .close = actisys_close,
-        .reset = actisys_reset,
-        .change_speed = actisys_change_speed,
-        .owner = THIS_MODULE,
-};
-
-/*
- * Function actisys_change_speed (task)
- *
- *      There is two model of Actisys dongle we are dealing with,
- * the 220L and 220L+. At this point, only irattach knows with
- * kind the user has requested (it was an argument on irattach
- * command line).
- *      So, we register a dongle of each sort and let irattach
- * pick the right one...
- */
-static int __init actisys_init(void)
-{
-        int ret;
-
-        /* First, register an Actisys 220L dongle */
-        ret = irda_device_register_dongle(&dongle);
-        if (ret < 0)
-                return ret;
-        /* Now, register an Actisys 220L+ dongle */
-        ret = irda_device_register_dongle(&dongle_plus);
-        if (ret < 0) {
-                irda_device_unregister_dongle(&dongle);
-                return ret;
-        }       
-        return 0;
-}
-
-static void __exit actisys_cleanup(void)
-{
-        /* We have to remove both dongles */
-        irda_device_unregister_dongle(&dongle);
-        irda_device_unregister_dongle(&dongle_plus);
-}
-
-static void actisys_open(dongle_t *self, struct qos_info *qos)
-{
-        /* Power on the dongle */
-        self->set_dtr_rts(self->dev, TRUE, TRUE);
-
-        /* Set the speeds we can accept */
-        qos->baud_rate.bits &= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
-
-        /* Remove support for 38400 if this is not a 220L+ dongle */
-        if (self->issue->type == IRDA_ACTISYS_DONGLE)
-                qos->baud_rate.bits &= ~IR_38400;
-        
-        qos->min_turn_time.bits = 0x7f; /* Needs 0.01 ms */
-}
-
-static void actisys_close(dongle_t *self)
-{
-        /* Power off the dongle */
-        self->set_dtr_rts(self->dev, FALSE, FALSE);
-}
-
-/*
- * Function actisys_change_speed (task)
- *
- *    Change speed of the ACTiSYS IR-220L and IR-220L+ type IrDA dongles.
- *    To cycle through the available baud rates, pulse RTS low for a few us.
- *
- *      First, we reset the dongle to always start from a known state.
- *      Then, we cycle through the speeds by pulsing RTS low and then up.
- *      The dongle allow us to pulse quite fast, se we can set speed in one go,
- * which is must faster ( < 100 us) and less complex than what is found
- * in some other dongle drivers...
- *      Note that even if the new speed is the same as the current speed,
- * we reassert the speed. This make sure that things are all right,
- * and it's fast anyway...
- *      By the way, this function will work for both type of dongles,
- * because the additional speed is at the end of the sequence...
- */
-static int actisys_change_speed(struct irda_task *task)
-{
-        dongle_t *self = (dongle_t *) task->instance;
-        __u32 speed = (__u32) task->param;      /* Target speed */
-        int ret = 0;
-        int i = 0;
-
-        IRDA_DEBUG(4, "%s(), speed=%d (was %d)\n", __FUNCTION__, speed, 
-                   self->speed);
-
-        /* Go to a known state by reseting the dongle */
-
-        /* Reset the dongle : set DTR low for 10 us */
-        self->set_dtr_rts(self->dev, FALSE, TRUE);
-        udelay(MIN_DELAY);
-
-        /* Go back to normal mode (we are now at 9600 b/s) */
-        self->set_dtr_rts(self->dev, TRUE, TRUE);
- 
-        /* 
-         * Now, we can set the speed requested. Send RTS pulses until we
-         * reach the target speed 
-         */
-        for (i=0; i<MAX_SPEEDS; i++) {
-                if (speed == baud_rates[i]) {
-                        self->speed = baud_rates[i];
-                        break;
-                }
-                /* Make sure previous pulse is finished */
-                udelay(MIN_DELAY);
-
-                /* Set RTS low for 10 us */
-                self->set_dtr_rts(self->dev, TRUE, FALSE);
-                udelay(MIN_DELAY);
-
-                /* Set RTS high for 10 us */
-                self->set_dtr_rts(self->dev, TRUE, TRUE);
-        }
-
-        /* Check if life is sweet... */
-        if (i >= MAX_SPEEDS)
-                ret = -1;  /* This should not happen */
-
-        /* Basta lavoro, on se casse d'ici... */
-        irda_task_next_state(task, IRDA_TASK_DONE);
-
-        return ret;
-}
-
-/*
- * Function actisys_reset (task)
- *
- *      Reset the Actisys type dongle. Warning, this function must only be
- *      called with a process context!
- *
- * We need to do two things in this function :
- *      o first make sure that the dongle is in a state where it can operate
- *      o second put the dongle in a know state
- *
- *      The dongle is powered of the RTS and DTR lines. In the dongle, there
- * is a big capacitor to accommodate the current spikes. This capacitor
- * takes a least 50 ms to be charged. In theory, the Bios set those lines
- * up, so by the time we arrive here we should be set. It doesn't hurt
- * to be on the conservative side, so we will wait...
- *      Then, we set the speed to 9600 b/s to get in a known state (see in
- * change_speed for details). It is needed because the IrDA stack
- * has tried to set the speed immediately after our first return,
- * so before we can be sure the dongle is up and running.
- */
-static int actisys_reset(struct irda_task *task)
-{
-        dongle_t *self = (dongle_t *) task->instance;
-        int ret = 0;
-
-        IRDA_ASSERT(task != NULL, return -1;);
-
-        self->reset_task = task;
-
-        switch (task->state) {
-        case IRDA_TASK_INIT:
-                /* Set both DTR & RTS to power up the dongle */
-                /* In theory redundant with power up in actisys_open() */
-                self->set_dtr_rts(self->dev, TRUE, TRUE);
-                
-                /* Sleep 50 ms to make sure capacitor is charged */
-                ret = msecs_to_jiffies(50);
-                irda_task_next_state(task, IRDA_TASK_WAIT);
-                break;
-        case IRDA_TASK_WAIT:                    
-                /* Reset the dongle : set DTR low for 10 us */
-                self->set_dtr_rts(self->dev, FALSE, TRUE);
-                udelay(MIN_DELAY);
-
-                /* Go back to normal mode */
-                self->set_dtr_rts(self->dev, TRUE, TRUE);
-        
-                irda_task_next_state(task, IRDA_TASK_DONE);
-                self->reset_task = NULL;
-                self->speed = 9600;     /* That's the default */
-                break;
-        default:
-                IRDA_ERROR("%s(), unknown state %d\n",
-                           __FUNCTION__, task->state);
-                irda_task_next_state(task, IRDA_TASK_DONE);
-                self->reset_task = NULL;
-                ret = -1;
-                break;
-        }
-        return ret;
-}
-
-MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no> - Jean Tourrilhes <jt@hpl.hp.com>");
-MODULE_DESCRIPTION("ACTiSYS IR-220L and IR-220L+ dongle driver");       
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("irda-dongle-2"); /* IRDA_ACTISYS_DONGLE */
-MODULE_ALIAS("irda-dongle-3"); /* IRDA_ACTISYS_PLUS_DONGLE */
-
-                
-/*
- * Function init_module (void)
- *
- *    Initialize Actisys module
- *
- */
-module_init(actisys_init);
-
-/*
- * Function cleanup_module (void)
- *
- *    Cleanup Actisys module
- *
- */
-module_exit(actisys_cleanup);