| /*** -*- 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); |