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libertas_tf: usb specific functions
The libertas thin firmware only supports usb devices, but the usb functions have been kept separate to ease future support for other devices. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis Carlos Cobo
John W. Linville
parent
691cdb4938
commit
c305a19a0d
766
drivers/net/wireless/libertas_tf/if_usb.c
Normal file
766
drivers/net/wireless/libertas_tf/if_usb.c
Normal file
@ -0,0 +1,766 @@
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/*
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* Copyright (C) 2008, cozybit Inc.
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* Copyright (C) 2003-2006, Marvell International Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/moduleparam.h>
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#include <linux/firmware.h>
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#include <linux/netdevice.h>
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#include <linux/usb.h>
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#define DRV_NAME "lbtf_usb"
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#include "libertas_tf.h"
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#include "if_usb.h"
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#define MESSAGE_HEADER_LEN 4
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static char *lbtf_fw_name = "lbtf_usb.bin";
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module_param_named(fw_name, lbtf_fw_name, charp, 0644);
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static struct usb_device_id if_usb_table[] = {
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/* Enter the device signature inside */
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{ USB_DEVICE(0x1286, 0x2001) },
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{ USB_DEVICE(0x05a3, 0x8388) },
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{} /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, if_usb_table);
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static void if_usb_receive(struct urb *urb);
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static void if_usb_receive_fwload(struct urb *urb);
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static int if_usb_prog_firmware(struct if_usb_card *cardp);
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static int if_usb_host_to_card(struct lbtf_private *priv, uint8_t type,
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uint8_t *payload, uint16_t nb);
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static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
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uint16_t nb, u8 data);
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static void if_usb_free(struct if_usb_card *cardp);
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static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
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static int if_usb_reset_device(struct if_usb_card *cardp);
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/**
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* if_usb_wrike_bulk_callback - call back to handle URB status
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*
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* @param urb pointer to urb structure
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*/
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static void if_usb_write_bulk_callback(struct urb *urb)
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{
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if (urb->status != 0)
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printk(KERN_INFO "libertastf: URB in failure status: %d\n",
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urb->status);
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}
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/**
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* if_usb_free - free tx/rx urb, skb and rx buffer
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*
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* @param cardp pointer if_usb_card
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*/
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static void if_usb_free(struct if_usb_card *cardp)
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{
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/* Unlink tx & rx urb */
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usb_kill_urb(cardp->tx_urb);
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usb_kill_urb(cardp->rx_urb);
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usb_kill_urb(cardp->cmd_urb);
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usb_free_urb(cardp->tx_urb);
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cardp->tx_urb = NULL;
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usb_free_urb(cardp->rx_urb);
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cardp->rx_urb = NULL;
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usb_free_urb(cardp->cmd_urb);
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cardp->cmd_urb = NULL;
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kfree(cardp->ep_out_buf);
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cardp->ep_out_buf = NULL;
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}
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static void if_usb_setup_firmware(struct lbtf_private *priv)
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{
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struct if_usb_card *cardp = priv->card;
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struct cmd_ds_set_boot2_ver b2_cmd;
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if_usb_submit_rx_urb(cardp);
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b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
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b2_cmd.action = 0;
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b2_cmd.version = cardp->boot2_version;
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if (lbtf_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
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printk(KERN_INFO "libertastf: setting boot2 version failed\n");
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}
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static void if_usb_fw_timeo(unsigned long priv)
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{
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struct if_usb_card *cardp = (void *)priv;
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if (!cardp->fwdnldover)
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/* Download timed out */
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cardp->priv->surpriseremoved = 1;
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wake_up(&cardp->fw_wq);
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}
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/**
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* if_usb_probe - sets the configuration values
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*
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* @ifnum interface number
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* @id pointer to usb_device_id
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*
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* Returns: 0 on success, error code on failure
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*/
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static int if_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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struct usb_device *udev;
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struct usb_host_interface *iface_desc;
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struct usb_endpoint_descriptor *endpoint;
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struct lbtf_private *priv;
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struct if_usb_card *cardp;
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int i;
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udev = interface_to_usbdev(intf);
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cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
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if (!cardp)
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goto error;
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setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp);
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init_waitqueue_head(&cardp->fw_wq);
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cardp->udev = udev;
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iface_desc = intf->cur_altsetting;
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for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
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endpoint = &iface_desc->endpoint[i].desc;
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if (usb_endpoint_is_bulk_in(endpoint)) {
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cardp->ep_in_size =
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le16_to_cpu(endpoint->wMaxPacketSize);
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cardp->ep_in = usb_endpoint_num(endpoint);
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} else if (usb_endpoint_is_bulk_out(endpoint)) {
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cardp->ep_out_size =
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le16_to_cpu(endpoint->wMaxPacketSize);
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cardp->ep_out = usb_endpoint_num(endpoint);
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}
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}
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if (!cardp->ep_out_size || !cardp->ep_in_size)
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/* Endpoints not found */
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goto dealloc;
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cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
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if (!cardp->rx_urb)
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goto dealloc;
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cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
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if (!cardp->tx_urb)
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goto dealloc;
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cardp->cmd_urb = usb_alloc_urb(0, GFP_KERNEL);
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if (!cardp->cmd_urb)
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goto dealloc;
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cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE,
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GFP_KERNEL);
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if (!cardp->ep_out_buf)
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goto dealloc;
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priv = lbtf_add_card(cardp, &udev->dev);
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if (!priv)
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goto dealloc;
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cardp->priv = priv;
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priv->hw_host_to_card = if_usb_host_to_card;
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priv->hw_prog_firmware = if_usb_prog_firmware;
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priv->hw_reset_device = if_usb_reset_device;
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cardp->boot2_version = udev->descriptor.bcdDevice;
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usb_get_dev(udev);
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usb_set_intfdata(intf, cardp);
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return 0;
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dealloc:
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if_usb_free(cardp);
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error:
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return -ENOMEM;
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}
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/**
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* if_usb_disconnect - free resource and cleanup
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*
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* @intf USB interface structure
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*/
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static void if_usb_disconnect(struct usb_interface *intf)
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{
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struct if_usb_card *cardp = usb_get_intfdata(intf);
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struct lbtf_private *priv = (struct lbtf_private *) cardp->priv;
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if_usb_reset_device(cardp);
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if (priv)
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lbtf_remove_card(priv);
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/* Unlink and free urb */
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if_usb_free(cardp);
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usb_set_intfdata(intf, NULL);
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usb_put_dev(interface_to_usbdev(intf));
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}
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/**
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* if_usb_send_fw_pkt - This function downloads the FW
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*
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* @priv pointer to struct lbtf_private
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*
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* Returns: 0
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*/
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static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
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{
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struct fwdata *fwdata = cardp->ep_out_buf;
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u8 *firmware = (u8 *) cardp->fw->data;
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/* If we got a CRC failure on the last block, back
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up and retry it */
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if (!cardp->CRC_OK) {
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cardp->totalbytes = cardp->fwlastblksent;
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cardp->fwseqnum--;
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}
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/* struct fwdata (which we sent to the card) has an
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extra __le32 field in between the header and the data,
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which is not in the struct fwheader in the actual
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firmware binary. Insert the seqnum in the middle... */
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memcpy(&fwdata->hdr, &firmware[cardp->totalbytes],
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sizeof(struct fwheader));
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cardp->fwlastblksent = cardp->totalbytes;
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cardp->totalbytes += sizeof(struct fwheader);
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memcpy(fwdata->data, &firmware[cardp->totalbytes],
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le32_to_cpu(fwdata->hdr.datalength));
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fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum);
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cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength);
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usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) +
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le32_to_cpu(fwdata->hdr.datalength), 0);
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if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK))
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/* Host has finished FW downloading
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* Donwloading FW JUMP BLOCK
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*/
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cardp->fwfinalblk = 1;
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return 0;
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}
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static int if_usb_reset_device(struct if_usb_card *cardp)
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{
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struct cmd_ds_802_11_reset *cmd = cardp->ep_out_buf + 4;
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int ret;
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*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
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cmd->hdr.command = cpu_to_le16(CMD_802_11_RESET);
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cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset));
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cmd->hdr.result = cpu_to_le16(0);
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cmd->hdr.seqnum = cpu_to_le16(0x5a5a);
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cmd->action = cpu_to_le16(CMD_ACT_HALT);
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usb_tx_block(cardp, cardp->ep_out_buf,
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4 + sizeof(struct cmd_ds_802_11_reset), 0);
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msleep(100);
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ret = usb_reset_device(cardp->udev);
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msleep(100);
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return ret;
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}
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EXPORT_SYMBOL_GPL(if_usb_reset_device);
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/**
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* usb_tx_block - transfer data to the device
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*
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* @priv pointer to struct lbtf_private
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* @payload pointer to payload data
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* @nb data length
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* @data non-zero for data, zero for commands
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*
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* Returns: 0 on success, nonzero otherwise.
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*/
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static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
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uint16_t nb, u8 data)
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{
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struct urb *urb;
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/* check if device is removed */
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if (cardp->priv->surpriseremoved)
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return -1;
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if (data)
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urb = cardp->tx_urb;
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else
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urb = cardp->cmd_urb;
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usb_fill_bulk_urb(urb, cardp->udev,
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usb_sndbulkpipe(cardp->udev,
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cardp->ep_out),
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payload, nb, if_usb_write_bulk_callback, cardp);
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urb->transfer_flags |= URB_ZERO_PACKET;
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if (usb_submit_urb(urb, GFP_ATOMIC))
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return -1;
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return 0;
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}
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static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
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void (*callbackfn)(struct urb *urb))
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{
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struct sk_buff *skb;
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skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE);
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if (!skb)
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return -1;
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cardp->rx_skb = skb;
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/* Fill the receive configuration URB and initialise the Rx call back */
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usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
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usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
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(void *) (skb->tail),
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MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp);
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cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
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if (usb_submit_urb(cardp->rx_urb, GFP_ATOMIC)) {
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kfree_skb(skb);
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cardp->rx_skb = NULL;
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return -1;
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} else
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return 0;
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}
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static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp)
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{
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return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
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}
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static int if_usb_submit_rx_urb(struct if_usb_card *cardp)
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{
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return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
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}
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static void if_usb_receive_fwload(struct urb *urb)
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{
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struct if_usb_card *cardp = urb->context;
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struct sk_buff *skb = cardp->rx_skb;
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struct fwsyncheader *syncfwheader;
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struct bootcmdresp bcmdresp;
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if (urb->status) {
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kfree_skb(skb);
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return;
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}
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if (cardp->fwdnldover) {
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__le32 *tmp = (__le32 *)(skb->data);
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if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
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tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY))
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/* Firmware ready event received */
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wake_up(&cardp->fw_wq);
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else
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if_usb_submit_rx_urb_fwload(cardp);
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kfree_skb(skb);
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return;
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}
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if (cardp->bootcmdresp <= 0) {
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memcpy(&bcmdresp, skb->data, sizeof(bcmdresp));
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if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
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kfree_skb(skb);
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if_usb_submit_rx_urb_fwload(cardp);
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cardp->bootcmdresp = 1;
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/* Received valid boot command response */
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return;
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}
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if (bcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
|
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if (bcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
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bcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
|
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bcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION))
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cardp->bootcmdresp = -1;
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} else if (bcmdresp.cmd == BOOT_CMD_FW_BY_USB &&
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bcmdresp.result == BOOT_CMD_RESP_OK)
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cardp->bootcmdresp = 1;
|
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kfree_skb(skb);
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if_usb_submit_rx_urb_fwload(cardp);
|
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return;
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}
|
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|
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syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
|
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if (!syncfwheader) {
|
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kfree_skb(skb);
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return;
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}
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|
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memcpy(syncfwheader, skb->data, sizeof(struct fwsyncheader));
|
||||
|
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if (!syncfwheader->cmd)
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cardp->CRC_OK = 1;
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else
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cardp->CRC_OK = 0;
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kfree_skb(skb);
|
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/* reschedule timer for 200ms hence */
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mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
|
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|
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if (cardp->fwfinalblk) {
|
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cardp->fwdnldover = 1;
|
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goto exit;
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}
|
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|
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if_usb_send_fw_pkt(cardp);
|
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|
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exit:
|
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if_usb_submit_rx_urb_fwload(cardp);
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kfree(syncfwheader);
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|
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return;
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}
|
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|
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#define MRVDRV_MIN_PKT_LEN 30
|
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|
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static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
|
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struct if_usb_card *cardp,
|
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struct lbtf_private *priv)
|
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{
|
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if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN
|
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|| recvlength < MRVDRV_MIN_PKT_LEN) {
|
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kfree_skb(skb);
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return;
|
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}
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skb_put(skb, recvlength);
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skb_pull(skb, MESSAGE_HEADER_LEN);
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lbtf_rx(priv, skb);
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||||
}
|
||||
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static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
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struct sk_buff *skb,
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struct if_usb_card *cardp,
|
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struct lbtf_private *priv)
|
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{
|
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if (recvlength > LBS_CMD_BUFFER_SIZE) {
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kfree_skb(skb);
|
||||
return;
|
||||
}
|
||||
|
||||
if (!in_interrupt())
|
||||
BUG();
|
||||
|
||||
spin_lock(&priv->driver_lock);
|
||||
memcpy(priv->cmd_resp_buff, recvbuff + MESSAGE_HEADER_LEN,
|
||||
recvlength - MESSAGE_HEADER_LEN);
|
||||
kfree_skb(skb);
|
||||
lbtf_cmd_response_rx(priv);
|
||||
spin_unlock(&priv->driver_lock);
|
||||
}
|
||||
|
||||
/**
|
||||
* if_usb_receive - read data received from the device.
|
||||
*
|
||||
* @urb pointer to struct urb
|
||||
*/
|
||||
static void if_usb_receive(struct urb *urb)
|
||||
{
|
||||
struct if_usb_card *cardp = urb->context;
|
||||
struct sk_buff *skb = cardp->rx_skb;
|
||||
struct lbtf_private *priv = cardp->priv;
|
||||
int recvlength = urb->actual_length;
|
||||
uint8_t *recvbuff = NULL;
|
||||
uint32_t recvtype = 0;
|
||||
__le32 *pkt = (__le32 *) skb->data;
|
||||
|
||||
if (recvlength) {
|
||||
if (urb->status) {
|
||||
kfree_skb(skb);
|
||||
goto setup_for_next;
|
||||
}
|
||||
|
||||
recvbuff = skb->data;
|
||||
recvtype = le32_to_cpu(pkt[0]);
|
||||
} else if (urb->status) {
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
}
|
||||
|
||||
switch (recvtype) {
|
||||
case CMD_TYPE_DATA:
|
||||
process_cmdtypedata(recvlength, skb, cardp, priv);
|
||||
break;
|
||||
|
||||
case CMD_TYPE_REQUEST:
|
||||
process_cmdrequest(recvlength, recvbuff, skb, cardp, priv);
|
||||
break;
|
||||
|
||||
case CMD_TYPE_INDICATION:
|
||||
{
|
||||
/* Event cause handling */
|
||||
u32 event_cause = le32_to_cpu(pkt[1]);
|
||||
|
||||
/* Icky undocumented magic special case */
|
||||
if (event_cause & 0xffff0000) {
|
||||
u16 tmp;
|
||||
u8 retrycnt;
|
||||
u8 failure;
|
||||
|
||||
tmp = event_cause >> 16;
|
||||
retrycnt = tmp & 0x00ff;
|
||||
failure = (tmp & 0xff00) >> 8;
|
||||
lbtf_send_tx_feedback(priv, retrycnt, failure);
|
||||
} else if (event_cause == LBTF_EVENT_BCN_SENT)
|
||||
lbtf_bcn_sent(priv);
|
||||
else
|
||||
printk(KERN_DEBUG
|
||||
"Unsupported notification %d received\n",
|
||||
event_cause);
|
||||
kfree_skb(skb);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
printk(KERN_DEBUG "libertastf: unknown command type 0x%X\n",
|
||||
recvtype);
|
||||
kfree_skb(skb);
|
||||
break;
|
||||
}
|
||||
|
||||
setup_for_next:
|
||||
if_usb_submit_rx_urb(cardp);
|
||||
}
|
||||
|
||||
/**
|
||||
* if_usb_host_to_card - Download data to the device
|
||||
*
|
||||
* @priv pointer to struct lbtf_private structure
|
||||
* @type type of data
|
||||
* @buf pointer to data buffer
|
||||
* @len number of bytes
|
||||
*
|
||||
* Returns: 0 on success, nonzero otherwise
|
||||
*/
|
||||
static int if_usb_host_to_card(struct lbtf_private *priv, uint8_t type,
|
||||
uint8_t *payload, uint16_t nb)
|
||||
{
|
||||
struct if_usb_card *cardp = priv->card;
|
||||
u8 data = 0;
|
||||
|
||||
if (type == MVMS_CMD) {
|
||||
*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
|
||||
} else {
|
||||
*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA);
|
||||
data = 1;
|
||||
}
|
||||
|
||||
memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb);
|
||||
|
||||
return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN,
|
||||
data);
|
||||
}
|
||||
|
||||
/**
|
||||
* if_usb_issue_boot_command - Issue boot command to Boot2.
|
||||
*
|
||||
* @ivalue 1 boots from FW by USB-Download, 2 boots from FW in EEPROM.
|
||||
*
|
||||
* Returns: 0
|
||||
*/
|
||||
static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
|
||||
{
|
||||
struct bootcmd *bootcmd = cardp->ep_out_buf;
|
||||
|
||||
/* Prepare command */
|
||||
bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
|
||||
bootcmd->cmd = ivalue;
|
||||
memset(bootcmd->pad, 0, sizeof(bootcmd->pad));
|
||||
|
||||
/* Issue command */
|
||||
usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd), 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* check_fwfile_format - Check the validity of Boot2/FW image.
|
||||
*
|
||||
* @data pointer to image
|
||||
* @totlen image length
|
||||
*
|
||||
* Returns: 0 if the image is valid, nonzero otherwise.
|
||||
*/
|
||||
static int check_fwfile_format(const u8 *data, u32 totlen)
|
||||
{
|
||||
u32 bincmd, exit;
|
||||
u32 blksize, offset, len;
|
||||
int ret;
|
||||
|
||||
ret = 1;
|
||||
exit = len = 0;
|
||||
|
||||
do {
|
||||
struct fwheader *fwh = (void *) data;
|
||||
|
||||
bincmd = le32_to_cpu(fwh->dnldcmd);
|
||||
blksize = le32_to_cpu(fwh->datalength);
|
||||
switch (bincmd) {
|
||||
case FW_HAS_DATA_TO_RECV:
|
||||
offset = sizeof(struct fwheader) + blksize;
|
||||
data += offset;
|
||||
len += offset;
|
||||
if (len >= totlen)
|
||||
exit = 1;
|
||||
break;
|
||||
case FW_HAS_LAST_BLOCK:
|
||||
exit = 1;
|
||||
ret = 0;
|
||||
break;
|
||||
default:
|
||||
exit = 1;
|
||||
break;
|
||||
}
|
||||
} while (!exit);
|
||||
|
||||
if (ret)
|
||||
printk(KERN_INFO
|
||||
"libertastf: firmware file format check failed\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int if_usb_prog_firmware(struct if_usb_card *cardp)
|
||||
{
|
||||
int i = 0;
|
||||
static int reset_count = 10;
|
||||
int ret = 0;
|
||||
|
||||
ret = request_firmware(&cardp->fw, lbtf_fw_name, &cardp->udev->dev);
|
||||
if (ret < 0) {
|
||||
printk(KERN_INFO "libertastf: firmware %s not found\n",
|
||||
lbtf_fw_name);
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
|
||||
goto release_fw;
|
||||
|
||||
restart:
|
||||
if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
|
||||
ret = -1;
|
||||
goto release_fw;
|
||||
}
|
||||
|
||||
cardp->bootcmdresp = 0;
|
||||
do {
|
||||
int j = 0;
|
||||
i++;
|
||||
/* Issue Boot command = 1, Boot from Download-FW */
|
||||
if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
|
||||
/* wait for command response */
|
||||
do {
|
||||
j++;
|
||||
msleep_interruptible(100);
|
||||
} while (cardp->bootcmdresp == 0 && j < 10);
|
||||
} while (cardp->bootcmdresp == 0 && i < 5);
|
||||
|
||||
if (cardp->bootcmdresp <= 0) {
|
||||
if (--reset_count >= 0) {
|
||||
if_usb_reset_device(cardp);
|
||||
goto restart;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
i = 0;
|
||||
|
||||
cardp->totalbytes = 0;
|
||||
cardp->fwlastblksent = 0;
|
||||
cardp->CRC_OK = 1;
|
||||
cardp->fwdnldover = 0;
|
||||
cardp->fwseqnum = -1;
|
||||
cardp->totalbytes = 0;
|
||||
cardp->fwfinalblk = 0;
|
||||
|
||||
/* Send the first firmware packet... */
|
||||
if_usb_send_fw_pkt(cardp);
|
||||
|
||||
/* ... and wait for the process to complete */
|
||||
wait_event_interruptible(cardp->fw_wq, cardp->priv->surpriseremoved ||
|
||||
cardp->fwdnldover);
|
||||
|
||||
del_timer_sync(&cardp->fw_timeout);
|
||||
usb_kill_urb(cardp->rx_urb);
|
||||
|
||||
if (!cardp->fwdnldover) {
|
||||
printk(KERN_INFO "libertastf: failed to load fw,"
|
||||
" resetting device!\n");
|
||||
if (--reset_count >= 0) {
|
||||
if_usb_reset_device(cardp);
|
||||
goto restart;
|
||||
}
|
||||
|
||||
printk(KERN_INFO "libertastf: fw download failure\n");
|
||||
ret = -1;
|
||||
goto release_fw;
|
||||
}
|
||||
|
||||
cardp->priv->fw_ready = 1;
|
||||
|
||||
release_fw:
|
||||
release_firmware(cardp->fw);
|
||||
cardp->fw = NULL;
|
||||
|
||||
if_usb_setup_firmware(cardp->priv);
|
||||
|
||||
done:
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(if_usb_prog_firmware);
|
||||
|
||||
|
||||
#define if_usb_suspend NULL
|
||||
#define if_usb_resume NULL
|
||||
|
||||
static struct usb_driver if_usb_driver = {
|
||||
.name = DRV_NAME,
|
||||
.probe = if_usb_probe,
|
||||
.disconnect = if_usb_disconnect,
|
||||
.id_table = if_usb_table,
|
||||
.suspend = if_usb_suspend,
|
||||
.resume = if_usb_resume,
|
||||
};
|
||||
|
||||
static int __init if_usb_init_module(void)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
ret = usb_register(&if_usb_driver);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void __exit if_usb_exit_module(void)
|
||||
{
|
||||
usb_deregister(&if_usb_driver);
|
||||
}
|
||||
|
||||
module_init(if_usb_init_module);
|
||||
module_exit(if_usb_exit_module);
|
||||
|
||||
MODULE_DESCRIPTION("8388 USB WLAN Thinfirm Driver");
|
||||
MODULE_AUTHOR("Cozybit Inc.");
|
||||
MODULE_LICENSE("GPL");
|
||||
98
drivers/net/wireless/libertas_tf/if_usb.h
Normal file
98
drivers/net/wireless/libertas_tf/if_usb.h
Normal file
@ -0,0 +1,98 @@
|
||||
/*
|
||||
* Copyright (C) 2008, cozybit Inc.
|
||||
* Copyright (C) 2003-2006, Marvell International Ltd.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#include <linux/wait.h>
|
||||
#include <linux/timer.h>
|
||||
|
||||
struct lbtf_private;
|
||||
|
||||
/**
|
||||
* This file contains definition for USB interface.
|
||||
*/
|
||||
#define CMD_TYPE_REQUEST 0xF00DFACE
|
||||
#define CMD_TYPE_DATA 0xBEADC0DE
|
||||
#define CMD_TYPE_INDICATION 0xBEEFFACE
|
||||
|
||||
#define BOOT_CMD_FW_BY_USB 0x01
|
||||
#define BOOT_CMD_FW_IN_EEPROM 0x02
|
||||
#define BOOT_CMD_UPDATE_BOOT2 0x03
|
||||
#define BOOT_CMD_UPDATE_FW 0x04
|
||||
#define BOOT_CMD_MAGIC_NUMBER 0x4C56524D /* LVRM */
|
||||
|
||||
struct bootcmd {
|
||||
__le32 magic;
|
||||
uint8_t cmd;
|
||||
uint8_t pad[11];
|
||||
};
|
||||
|
||||
#define BOOT_CMD_RESP_OK 0x0001
|
||||
#define BOOT_CMD_RESP_FAIL 0x0000
|
||||
|
||||
struct bootcmdresp {
|
||||
__le32 magic;
|
||||
uint8_t cmd;
|
||||
uint8_t result;
|
||||
uint8_t pad[2];
|
||||
};
|
||||
|
||||
/** USB card description structure*/
|
||||
struct if_usb_card {
|
||||
struct usb_device *udev;
|
||||
struct urb *rx_urb, *tx_urb, *cmd_urb;
|
||||
struct lbtf_private *priv;
|
||||
|
||||
struct sk_buff *rx_skb;
|
||||
|
||||
uint8_t ep_in;
|
||||
uint8_t ep_out;
|
||||
|
||||
int8_t bootcmdresp;
|
||||
|
||||
int ep_in_size;
|
||||
|
||||
void *ep_out_buf;
|
||||
int ep_out_size;
|
||||
|
||||
const struct firmware *fw;
|
||||
struct timer_list fw_timeout;
|
||||
wait_queue_head_t fw_wq;
|
||||
uint32_t fwseqnum;
|
||||
uint32_t totalbytes;
|
||||
uint32_t fwlastblksent;
|
||||
uint8_t CRC_OK;
|
||||
uint8_t fwdnldover;
|
||||
uint8_t fwfinalblk;
|
||||
|
||||
__le16 boot2_version;
|
||||
};
|
||||
|
||||
/** fwheader */
|
||||
struct fwheader {
|
||||
__le32 dnldcmd;
|
||||
__le32 baseaddr;
|
||||
__le32 datalength;
|
||||
__le32 CRC;
|
||||
};
|
||||
|
||||
#define FW_MAX_DATA_BLK_SIZE 600
|
||||
/** FWData */
|
||||
struct fwdata {
|
||||
struct fwheader hdr;
|
||||
__le32 seqnum;
|
||||
uint8_t data[0];
|
||||
};
|
||||
|
||||
/** fwsyncheader */
|
||||
struct fwsyncheader {
|
||||
__le32 cmd;
|
||||
__le32 seqnum;
|
||||
};
|
||||
|
||||
#define FW_HAS_DATA_TO_RECV 0x00000001
|
||||
#define FW_HAS_LAST_BLOCK 0x00000004
|
||||
Loading…
Reference in New Issue
Block a user