summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/atmel_cs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/atmel_cs.c')
-rw-r--r--drivers/net/wireless/atmel_cs.c286
1 files changed, 286 insertions, 0 deletions
diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c
new file mode 100644
index 000000000..7afc9c532
--- /dev/null
+++ b/drivers/net/wireless/atmel_cs.c
@@ -0,0 +1,286 @@
+/*** -*- 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, see
+ <http://www.gnu.org/licenses/>.
+
+******************************************************************************/
+
+#ifdef __IN_PCMCIA_PACKAGE__
+#include <pcmcia/k_compat.h>
+#endif
+#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 <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);
+
+struct local_info {
+ struct net_device *eth_dev;
+};
+
+static int atmel_probe(struct pcmcia_device *p_dev)
+{
+ struct local_info *local;
+
+ dev_dbg(&p_dev->dev, "atmel_attach()\n");
+
+ /* Allocate space for private device-specific data */
+ local = kzalloc(sizeof(*local), GFP_KERNEL);
+ if (!local)
+ 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)
+{
+ struct local_info *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;
+
+ ((struct local_info *)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 (!((struct local_info *)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 = ((struct local_info *)link->priv)->eth_dev;
+
+ dev_dbg(&link->dev, "atmel_release\n");
+
+ if (dev)
+ stop_atmel_card(dev);
+ ((struct local_info *)link->priv)->eth_dev = NULL;
+
+ pcmcia_disable_device(link);
+}
+
+static int atmel_suspend(struct pcmcia_device *link)
+{
+ struct local_info *local = link->priv;
+
+ netif_device_detach(local->eth_dev);
+
+ return 0;
+}
+
+static int atmel_resume(struct pcmcia_device *link)
+{
+ struct local_info *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,
+};
+module_pcmcia_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.
+*/