mirror of https://gitee.com/openkylin/linux.git
302 lines
10 KiB
C
302 lines
10 KiB
C
/*** -*- linux-c -*- **********************************************************
|
|
|
|
Driver for Atmel at76c502 at76c504 and at76c506 wireless cards.
|
|
|
|
Copyright 2000-2001 ATMEL Corporation.
|
|
Copyright 2003 Simon Kelley.
|
|
|
|
This code was developed from version 2.1.1 of the Atmel drivers,
|
|
released by Atmel corp. under the GPL in December 2002. It also
|
|
includes code from the Linux aironet drivers (C) Benjamin Reed,
|
|
and the Linux PCMCIA package, (C) David Hinds.
|
|
|
|
For all queries about this code, please contact the current author,
|
|
Simon Kelley <simon@thekelleys.org.uk> and not Atmel 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 software 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 Atmel wireless lan drivers; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
******************************************************************************/
|
|
|
|
#ifdef __IN_PCMCIA_PACKAGE__
|
|
#include <pcmcia/k_compat.h>
|
|
#endif
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/ptrace.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/string.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/device.h>
|
|
|
|
#include <pcmcia/cistpl.h>
|
|
#include <pcmcia/cisreg.h>
|
|
#include <pcmcia/ds.h>
|
|
#include <pcmcia/ciscode.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/system.h>
|
|
#include <linux/wireless.h>
|
|
|
|
#include "atmel.h"
|
|
|
|
|
|
/*====================================================================*/
|
|
|
|
MODULE_AUTHOR("Simon Kelley");
|
|
MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards");
|
|
|
|
/*====================================================================*/
|
|
|
|
static int atmel_config(struct pcmcia_device *link);
|
|
static void atmel_release(struct pcmcia_device *link);
|
|
|
|
static void atmel_detach(struct pcmcia_device *p_dev);
|
|
|
|
typedef struct local_info_t {
|
|
struct net_device *eth_dev;
|
|
} local_info_t;
|
|
|
|
static int atmel_probe(struct pcmcia_device *p_dev)
|
|
{
|
|
local_info_t *local;
|
|
|
|
dev_dbg(&p_dev->dev, "atmel_attach()\n");
|
|
|
|
/* Allocate space for private device-specific data */
|
|
local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
|
|
if (!local) {
|
|
printk(KERN_ERR "atmel_cs: no memory for new device\n");
|
|
return -ENOMEM;
|
|
}
|
|
p_dev->priv = local;
|
|
|
|
return atmel_config(p_dev);
|
|
} /* atmel_attach */
|
|
|
|
static void atmel_detach(struct pcmcia_device *link)
|
|
{
|
|
dev_dbg(&link->dev, "atmel_detach\n");
|
|
|
|
atmel_release(link);
|
|
|
|
kfree(link->priv);
|
|
}
|
|
|
|
/* Call-back function to interrogate PCMCIA-specific information
|
|
about the current existence of the card */
|
|
static int card_present(void *arg)
|
|
{
|
|
struct pcmcia_device *link = (struct pcmcia_device *)arg;
|
|
|
|
if (pcmcia_dev_present(link))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int atmel_config_check(struct pcmcia_device *p_dev, void *priv_data)
|
|
{
|
|
if (p_dev->config_index == 0)
|
|
return -EINVAL;
|
|
|
|
return pcmcia_request_io(p_dev);
|
|
}
|
|
|
|
static int atmel_config(struct pcmcia_device *link)
|
|
{
|
|
local_info_t *dev;
|
|
int ret;
|
|
const struct pcmcia_device_id *did;
|
|
|
|
dev = link->priv;
|
|
did = dev_get_drvdata(&link->dev);
|
|
|
|
dev_dbg(&link->dev, "atmel_config\n");
|
|
|
|
link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
|
|
CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
|
|
|
|
if (pcmcia_loop_config(link, atmel_config_check, NULL))
|
|
goto failed;
|
|
|
|
if (!link->irq) {
|
|
dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
|
|
goto failed;
|
|
}
|
|
|
|
ret = pcmcia_enable_device(link);
|
|
if (ret)
|
|
goto failed;
|
|
|
|
((local_info_t*)link->priv)->eth_dev =
|
|
init_atmel_card(link->irq,
|
|
link->resource[0]->start,
|
|
did ? did->driver_info : ATMEL_FW_TYPE_NONE,
|
|
&link->dev,
|
|
card_present,
|
|
link);
|
|
if (!((local_info_t*)link->priv)->eth_dev)
|
|
goto failed;
|
|
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
atmel_release(link);
|
|
return -ENODEV;
|
|
}
|
|
|
|
static void atmel_release(struct pcmcia_device *link)
|
|
{
|
|
struct net_device *dev = ((local_info_t*)link->priv)->eth_dev;
|
|
|
|
dev_dbg(&link->dev, "atmel_release\n");
|
|
|
|
if (dev)
|
|
stop_atmel_card(dev);
|
|
((local_info_t*)link->priv)->eth_dev = NULL;
|
|
|
|
pcmcia_disable_device(link);
|
|
}
|
|
|
|
static int atmel_suspend(struct pcmcia_device *link)
|
|
{
|
|
local_info_t *local = link->priv;
|
|
|
|
netif_device_detach(local->eth_dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int atmel_resume(struct pcmcia_device *link)
|
|
{
|
|
local_info_t *local = link->priv;
|
|
|
|
atmel_open(local->eth_dev);
|
|
netif_device_attach(local->eth_dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*====================================================================*/
|
|
/* We use the driver_info field to store the correct firmware type for a card. */
|
|
|
|
#define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \
|
|
.match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \
|
|
PCMCIA_DEV_ID_MATCH_CARD_ID, \
|
|
.manf_id = (manf), \
|
|
.card_id = (card), \
|
|
.driver_info = (kernel_ulong_t)(info), }
|
|
|
|
#define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \
|
|
.match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \
|
|
PCMCIA_DEV_ID_MATCH_PROD_ID2, \
|
|
.prod_id = { (v1), (v2), NULL, NULL }, \
|
|
.prod_id_hash = { (vh1), (vh2), 0, 0 }, \
|
|
.driver_info = (kernel_ulong_t)(info), }
|
|
|
|
static const struct pcmcia_device_id atmel_ids[] = {
|
|
PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM),
|
|
PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM),
|
|
PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E),
|
|
PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D),
|
|
PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E),
|
|
PCMCIA_DEVICE_NULL
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pcmcia, atmel_ids);
|
|
|
|
static struct pcmcia_driver atmel_driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "atmel_cs",
|
|
.probe = atmel_probe,
|
|
.remove = atmel_detach,
|
|
.id_table = atmel_ids,
|
|
.suspend = atmel_suspend,
|
|
.resume = atmel_resume,
|
|
};
|
|
|
|
static int __init atmel_cs_init(void)
|
|
{
|
|
return pcmcia_register_driver(&atmel_driver);
|
|
}
|
|
|
|
static void __exit atmel_cs_cleanup(void)
|
|
{
|
|
pcmcia_unregister_driver(&atmel_driver);
|
|
}
|
|
|
|
/*
|
|
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.
|
|
|
|
In addition:
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
3. The name of the author may not be used to endorse or promote
|
|
products derived from this software without specific prior written
|
|
permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
module_init(atmel_cs_init);
|
|
module_exit(atmel_cs_cleanup);
|