|  | /*** -*- 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); | 
|  |  | 
|  | 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) | 
|  | 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, | 
|  | }; | 
|  | 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. | 
|  | */ |