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Diffstat (limited to 'at76c503-rfmd.c')
| -rw-r--r-- | at76c503-rfmd.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/at76c503-rfmd.c b/at76c503-rfmd.c new file mode 100644 index 0000000..b73c28f --- /dev/null +++ b/at76c503-rfmd.c @@ -0,0 +1,179 @@ +/* -*- linux-c -*- */ +/* + * at76c503-rfmd.c: + * + * Driver for at76c503-based devices based on the Atmel "Fast-Vnet" reference + * design using RFMD radio chips + * + * Copyright (c) 2002 - 2003 Oliver Kurth <oku@masqmail.cx> + * + * 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 driver is derived from usb-skeleton.c + * + * This driver contains code specific to Atmel AT76C503 (USB wireless 802.11) + * devices which use radio chips from RF Micro Devices (RFMD). Almost + * all of the actual driver is handled by the generic at76c503.c module, this + * file mostly just deals with the initial probes and downloading the correct + * firmware to the device before handing it off to at76c503. + * + * History: + * + * 2003_02_11 0.1: (alex) + * - split board-specific code off from at76c503.c + * - reverted to 0.90.2 firmware because 0.100.x is broken for WUSB11 + * + * 2003_02_18 0.2: (alex) + * - Reduced duplicated code and moved as much as possible into at76c503.c + * - Changed default netdev name to "wlan%d" + */ + +#include <linux/module.h> +#include <linux/usb.h> + +#include "at76c503.h" +#include "usbdfu.h" + +/* Include firmware data definition */ + +#include "fw-rfmd-0.90.2-140.h" + +/* Version Information */ + +#define DRIVER_NAME "at76c503-rfmd" +#define DRIVER_AUTHOR "Oliver Kurth <oku@masqmail.cx>" +#define DRIVER_DESC "Atmel at76c503 (RFMD) Wireless LAN Driver" + +/* USB Device IDs supported by this driver */ + +#define VENDOR_ID_ATMEL 0x03eb +#define PRODUCT_ID_ATMEL_503R 0x7605 /* Generic AT76C503/RFMD device */ + +#define VENDOR_ID_BELKIN 0x0d5c +#define PRODUCT_ID_BELKIN_F5D6050 0xa002 /* Belkin F5D6050 / SMC 2662W v2 */ + +#define VENDOR_ID_DYNALINK 0x069a +#define PRODUCT_ID_DYNALINK_WLL013_R 0x0321 /* Dynalink/Askey WLL013 (rfmd) */ + +#define VENDOR_ID_LINKSYS 0x077b +#define PRODUCT_ID_LINKSYS_WUSB11_V26 0x2219 /* Linksys WUSB11 v2.6 */ + +#define VENDOR_ID_NETGEAR 0x0864 +#define PRODUCT_ID_NETGEAR_MA101B 0x4102 /* Netgear MA 101 Rev. B */ + +static struct usb_device_id dev_table[] = { + { USB_DEVICE(VENDOR_ID_ATMEL, PRODUCT_ID_ATMEL_503R ) }, + { USB_DEVICE(VENDOR_ID_BELKIN, PRODUCT_ID_BELKIN_F5D6050 ) }, + { USB_DEVICE(VENDOR_ID_DYNALINK, PRODUCT_ID_DYNALINK_WLL013_R ) }, + { USB_DEVICE(VENDOR_ID_LINKSYS, PRODUCT_ID_LINKSYS_WUSB11_V26) }, + { USB_DEVICE(VENDOR_ID_NETGEAR, PRODUCT_ID_NETGEAR_MA101B ) }, + { } +}; + +/* firmware / config variables */ + +static unsigned char fw_internal[] = FW_503RFMD_INTERNAL; +static unsigned char fw_external[] = FW_503RFMD_EXTERNAL; + +static int board_type = BOARDTYPE_RFMD; + +/*---------------------------------------------------------------------------*/ + +MODULE_DEVICE_TABLE (usb, dev_table); + +/* Module paramaters */ + +static char netdev_name[IFNAMSIZ+1] = "wlan%d"; +MODULE_PARM(netdev_name, "c" __MODULE_STRING(IFNAMSIZ)); +MODULE_PARM_DESC(netdev_name, + "network device name (default is wlan%d)"); + +/* local function prototypes */ + +static void *at76c50x_probe(struct usb_device *dev, unsigned int ifnum, + const struct usb_device_id *id); +static void at76c50x_disconnect(struct usb_device *dev, void *ptr); + +/* structure for registering this driver with the usb subsystem */ + +static struct usb_driver module_usb = { +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) + owner: THIS_MODULE, +#endif + name: DRIVER_NAME, + probe: at76c50x_probe, + disconnect: at76c50x_disconnect, + id_table: dev_table, +}; + +/* structure for registering this firmware with the usbdfu subsystem */ + +static struct usbdfu_info module_usbdfu = { + name: DRIVER_NAME, + id_table: dev_table, + fw_buf: fw_internal, + fw_buf_len: sizeof(fw_internal), + post_download_hook: at76c503_usbdfu_post, +}; + +/* Module and USB entry points */ + +static void *at76c50x_probe(struct usb_device *udev, unsigned int ifnum, const struct usb_device_id *id) +{ + if (usbdfu_in_use(udev, ifnum)) { + /* the device is in DFU mode and usbdfu.c is handling it */ + return NULL; + } + + return at76c503_do_probe(THIS_MODULE, udev, fw_external, sizeof(fw_external), board_type, netdev_name); +} + +static void at76c50x_disconnect(struct usb_device *udev, void *ptr) +{ + info("%s disconnected", ((struct at76c503 *)ptr)->netdev->name); + at76c503_delete_device(ptr); +} + +static int __init mod_init(void) +{ + int result; + + info(DRIVER_DESC " " DRIVER_VERSION); + + /* register with usbdfu so that the firmware will be automatically + * downloaded to the device on detection */ + result = usbdfu_register(&module_usbdfu); + if (result < 0) { + err("usbdfu_register failed (status %d)", result); + return -1; + } + + /* register this driver with the USB subsystem */ + result = usb_register(&module_usb); + if (result < 0) { + err("usb_register failed (status %d)", result); + usbdfu_deregister(&module_usbdfu); + return -1; + } + + return 0; +} + +static void __exit mod_exit(void) +{ + info(DRIVER_DESC " " DRIVER_VERSION " unloading"); + /* deregister this driver with the USB subsystem */ + usbdfu_deregister(&module_usbdfu); + usb_deregister(&module_usb); +} + +module_init (mod_init); +module_exit (mod_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); |