/*****************************************************************************
*
* Filename: irda-usb.c
- * Version: 0.10
+ * Version: 0.9b
* Description: IrDA-USB Driver
* Status: Experimental
* Author: Dag Brattli <dag@brattli.net>
* Copyright (C) 2000, Roman Weissgaerber <weissg@vienna.at>
* Copyright (C) 2001, Dag Brattli <dag@brattli.net>
* Copyright (C) 2001, Jean Tourrilhes <jt@hpl.hp.com>
- * Copyright (C) 2004, SigmaTel, Inc. <irquality@sigmatel.com>
- * Copyright (C) 2005, Milan Beno <beno@pobox.sk>
- * Copyright (C) 2006, Nick Fedchik <nick@fedchik.org.ua>
*
* 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
#include <linux/slab.h>
#include <linux/rtnetlink.h>
#include <linux/usb.h>
-#include <linux/firmware.h>
#include "irda-usb.h"
{ USB_DEVICE(0x50f, 0x180), .driver_info = IUC_SPEED_BUG | IUC_NO_WINDOW },
/* Extended Systems, Inc., XTNDAccess IrDA USB (ESI-9685) */
{ USB_DEVICE(0x8e9, 0x100), .driver_info = IUC_SPEED_BUG | IUC_NO_WINDOW },
- /* SigmaTel STIR4210/4220/4116 USB IrDA (VFIR) Bridge */
- { USB_DEVICE(0x66f, 0x4210), .driver_info = IUC_STIR421X | IUC_SPEED_BUG },
- { USB_DEVICE(0x66f, 0x4220), .driver_info = IUC_STIR421X | IUC_SPEED_BUG },
- { USB_DEVICE(0x66f, 0x4116), .driver_info = IUC_STIR421X | IUC_SPEED_BUG },
{ .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS,
.bInterfaceClass = USB_CLASS_APP_SPEC,
.bInterfaceSubClass = USB_CLASS_IRDA,
.driver_info = IUC_DEFAULT, },
/*------------------------------------------------------------------*/
-static void irda_usb_init_qos(struct irda_usb_cb *self) ;
static struct irda_class_desc *irda_usb_find_class_desc(struct usb_interface *intf);
static void irda_usb_disconnect(struct usb_interface *intf);
static void irda_usb_change_speed_xbofs(struct irda_usb_cb *self);
__u8 *header,
int force)
{
- /* Here we check if we have an STIR421x chip,
- * and if either speed or xbofs (or both) needs
- * to be changed.
- */
- if (self->capability & IUC_STIR421X &&
- ((self->new_speed != -1) || (self->new_xbofs != -1))) {
-
- /* With STIR421x, speed and xBOFs must be set at the same
- * time, even if only one of them changes.
- */
- if (self->new_speed == -1)
- self->new_speed = self->speed ;
-
- if (self->new_xbofs == -1)
- self->new_xbofs = self->xbofs ;
- }
-
- /* Set the link speed */
+ /* Set the negotiated link speed */
if (self->new_speed != -1) {
/* Hum... Ugly hack :-(
* Some device are not compliant with the spec and change
*header = SPEED_4000000;
self->new_xbofs = 0;
break;
- case 16000000:
- *header = SPEED_16000000;
- self->new_xbofs = 0;
- break;
- }
+ }
} else
/* No change */
*header = 0;
}
}
-/*
-* calculate turnaround time for SigmaTel header
-*/
-static __u8 get_turnaround_time(struct sk_buff *skb)
-{
- int turnaround_time = irda_get_mtt(skb);
-
- if ( turnaround_time == 0 )
- return 0;
- else if ( turnaround_time <= 10 )
- return 1;
- else if ( turnaround_time <= 50 )
- return 2;
- else if ( turnaround_time <= 100 )
- return 3;
- else if ( turnaround_time <= 500 )
- return 4;
- else if ( turnaround_time <= 1000 )
- return 5;
- else if ( turnaround_time <= 5000 )
- return 6;
- else
- return 7;
-}
-
-
/*------------------------------------------------------------------*/
/*
* Send a command to change the speed of the dongle
/* Set the new speed and xbofs in this fake frame */
irda_usb_build_header(self, frame, 1);
- if (self->capability & IUC_STIR421X) {
- if (frame[0] == 0) return ; // do nothing if no change
- frame[1] = 0; // other parameters don't change here
- frame[2] = 0;
- }
-
/* Submit the 0 length IrDA frame to trigger new speed settings */
usb_fill_bulk_urb(urb, self->usbdev,
usb_sndbulkpipe(self->usbdev, self->bulk_out_ep),
frame, IRDA_USB_SPEED_MTU,
speed_bulk_callback, self);
- urb->transfer_buffer_length = self->header_length;
+ urb->transfer_buffer_length = USB_IRDA_HEADER;
urb->transfer_flags = 0;
/* Irq disabled -> GFP_ATOMIC */
* allocation will be done lower in skb_push().
* Also, we don't use directly skb_cow(), because it require
* headroom >= 16, which force unnecessary copies - Jean II */
- if (skb_headroom(skb) < self->header_length) {
+ if (skb_headroom(skb) < USB_IRDA_HEADER) {
IRDA_DEBUG(0, "%s(), Insuficient skb headroom.\n", __FUNCTION__);
- if (skb_cow(skb, self->header_length)) {
+ if (skb_cow(skb, USB_IRDA_HEADER)) {
IRDA_WARNING("%s(), failed skb_cow() !!!\n", __FUNCTION__);
goto drop;
}
}
/* Change setting for next frame */
-
- if (self->capability & IUC_STIR421X) {
- __u8 turnaround_time;
- __u8* frame;
- turnaround_time = get_turnaround_time( skb );
- frame= skb_push(skb, self->header_length);
- irda_usb_build_header(self, frame, 0);
- frame[2] = turnaround_time;
- if ((skb->len != 0) &&
- ((skb->len % 128) == 0) &&
- ((skb->len % 512) != 0)) {
- /* add extra byte for special SigmaTel feature */
- frame[1] = 1;
- skb_put(skb, 1);
- } else {
- frame[1] = 0;
- }
- } else {
- irda_usb_build_header(self, skb_push(skb, self->header_length), 0);
- }
+ irda_usb_build_header(self, skb_push(skb, USB_IRDA_HEADER), 0);
/* FIXME: Make macro out of this one */
((struct irda_skb_cb *)skb->cb)->context = self;
}
/* Check for empty frames */
- if (urb->actual_length <= self->header_length) {
+ if (urb->actual_length <= USB_IRDA_HEADER) {
IRDA_WARNING("%s(), empty frame!\n", __FUNCTION__);
goto done;
}
docopy = (urb->actual_length < IRDA_RX_COPY_THRESHOLD);
/* Allocate a new skb */
- if (self->capability & IUC_STIR421X)
- newskb = dev_alloc_skb(docopy ? urb->actual_length :
- IRDA_SKB_MAX_MTU +
- USB_IRDA_STIR421X_HEADER);
- else
- newskb = dev_alloc_skb(docopy ? urb->actual_length :
- IRDA_SKB_MAX_MTU);
-
+ newskb = dev_alloc_skb(docopy ? urb->actual_length : IRDA_SKB_MAX_MTU);
if (!newskb) {
self->stats.rx_dropped++;
/* We could deliver the current skb, but this would stall
/* Set proper length on skb & remove USB-IrDA header */
skb_put(dataskb, urb->actual_length);
- skb_pull(dataskb, self->header_length);
+ skb_pull(dataskb, USB_IRDA_HEADER);
/* Ask the networking layer to queue the packet for the IrDA stack */
dataskb->dev = self->netdev;
return 0; /* For now */
}
-#define STIR421X_PATCH_PRODUCT_VER "Product Version: "
-#define STIR421X_PATCH_STMP_TAG "STMP"
-#define STIR421X_PATCH_CODE_OFFSET 512 /* patch image starts before here */
-/* marks end of patch file header (PC DOS text file EOF character) */
-#define STIR421X_PATCH_END_OF_HDR_TAG 0x1A
-#define STIR421X_PATCH_BLOCK_SIZE 1023
-
-/*
- * Function stir421x_fwupload (struct irda_usb_cb *self,
- * unsigned char *patch,
- * const unsigned int patch_len)
- *
- * Upload firmware code to SigmaTel 421X IRDA-USB dongle
- */
-static int stir421x_fw_upload(struct irda_usb_cb *self,
- unsigned char *patch,
- const unsigned int patch_len)
-{
- int ret = -ENOMEM;
- int actual_len = 0;
- unsigned int i;
- unsigned int block_size = 0;
- unsigned char *patch_block;
-
- patch_block = kzalloc(STIR421X_PATCH_BLOCK_SIZE, GFP_KERNEL);
- if (patch_block == NULL)
- return -ENOMEM;
-
- /* break up patch into 1023-byte sections */
- for (i = 0; i < patch_len; i += block_size) {
- block_size = patch_len - i;
-
- if (block_size > STIR421X_PATCH_BLOCK_SIZE)
- block_size = STIR421X_PATCH_BLOCK_SIZE;
-
- /* upload the patch section */
- memcpy(patch_block, patch + i, block_size);
-
- ret = usb_bulk_msg(self->usbdev,
- usb_sndbulkpipe(self->usbdev,
- self->bulk_out_ep),
- patch_block, block_size,
- &actual_len, msecs_to_jiffies(500));
- IRDA_DEBUG(3,"%s(): Bulk send %u bytes, ret=%d\n",
- __FUNCTION__, actual_len, ret);
-
- if (ret < 0)
- break;
- }
-
- kfree(patch_block);
-
- return ret;
- }
-
-/*
- * Function stir421x_patch_device(struct irda_usb_cb *self)
- *
- * Get a firmware code from userspase using hotplug request_firmware() call
- */
-static int stir421x_patch_device(struct irda_usb_cb *self)
-{
- unsigned int i;
- int ret;
- char stir421x_fw_name[11];
- const struct firmware *fw;
- unsigned char *fw_version_ptr; /* pointer to version string */
- unsigned long fw_version = 0;
-
- /*
- * Known firmware patch file names for STIR421x dongles
- * are "42101001.sb" or "42101002.sb"
- */
- sprintf(stir421x_fw_name, "4210%4X.sb",
- self->usbdev->descriptor.bcdDevice);
- ret = request_firmware(&fw, stir421x_fw_name, &self->usbdev->dev);
- if (ret < 0)
- return ret;
-
- /* We get a patch from userspace */
- IRDA_MESSAGE("%s(): Received firmware %s (%zu bytes)\n",
- __FUNCTION__, stir421x_fw_name, fw->size);
-
- ret = -EINVAL;
-
- /* Get the bcd product version */
- if (!memcmp(fw->data, STIR421X_PATCH_PRODUCT_VER,
- sizeof(STIR421X_PATCH_PRODUCT_VER) - 1)) {
- fw_version_ptr = fw->data +
- sizeof(STIR421X_PATCH_PRODUCT_VER) - 1;
-
- /* Let's check if the product version is dotted */
- if (fw_version_ptr[3] == '.' &&
- fw_version_ptr[7] == '.') {
- unsigned long major, minor, build;
- major = simple_strtoul(fw_version_ptr, NULL, 10);
- minor = simple_strtoul(fw_version_ptr + 4, NULL, 10);
- build = simple_strtoul(fw_version_ptr + 8, NULL, 10);
-
- fw_version = (major << 12)
- + (minor << 8)
- + ((build / 10) << 4)
- + (build % 10);
-
- IRDA_DEBUG(3, "%s(): Firmware Product version %ld\n",
- __FUNCTION__, fw_version);
- }
- }
-
- if (self->usbdev->descriptor.bcdDevice == fw_version) {
- /*
- * If we're here, we've found a correct patch
- * The actual image starts after the "STMP" keyword
- * so forward to the firmware header tag
- */
- for (i = 0; (fw->data[i] != STIR421X_PATCH_END_OF_HDR_TAG)
- && (i < fw->size); i++) ;
- /* here we check for the out of buffer case */
- if ((STIR421X_PATCH_END_OF_HDR_TAG == fw->data[i])
- && (i < STIR421X_PATCH_CODE_OFFSET)) {
- if (!memcmp(fw->data + i + 1, STIR421X_PATCH_STMP_TAG,
- sizeof(STIR421X_PATCH_STMP_TAG) - 1)) {
-
- /* We can upload the patch to the target */
- i += sizeof(STIR421X_PATCH_STMP_TAG);
- ret = stir421x_fw_upload(self, &fw->data[i],
- fw->size - i);
- }
- }
- }
-
- release_firmware(fw);
-
- return ret;
-}
-
-
/********************** IRDA DEVICE CALLBACKS **********************/
/*
* Main calls from the IrDA/Network subsystem.
return -1;
}
- if(self->needspatch) {
- IRDA_WARNING("%s(), device needs patch\n", __FUNCTION__) ;
- return -EIO ;
- }
-
/* Initialise default speed and xbofs value
* (IrLAP will change that soon) */
self->speed = -1;
del_timer(&self->rx_defer_timer);
/* Deallocate all the Rx path buffers (URBs and skb) */
- for (i = 0; i < self->max_rx_urb; i++) {
+ for (i = 0; i < IU_MAX_RX_URBS; i++) {
struct urb *urb = self->rx_urb[i];
struct sk_buff *skb = (struct sk_buff *) urb->context;
/* Cancel the receive command */
spin_lock_init(&self->lock);
init_timer(&self->rx_defer_timer);
- self->capability = id->driver_info;
- self->needspatch = ((self->capability & IUC_STIR421X) != 0);
-
/* Create all of the needed urbs */
- if (self->capability & IUC_STIR421X) {
- self->max_rx_urb = IU_SIGMATEL_MAX_RX_URBS;
- self->header_length = USB_IRDA_STIR421X_HEADER;
- } else {
- self->max_rx_urb = IU_MAX_RX_URBS;
- self->header_length = USB_IRDA_HEADER;
- }
-
- self->rx_urb = kzalloc(self->max_rx_urb * sizeof(struct urb *),
- GFP_KERNEL);
-
- for (i = 0; i < self->max_rx_urb; i++) {
+ for (i = 0; i < IU_MAX_RX_URBS; i++) {
self->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
if (!self->rx_urb[i]) {
goto err_out_1;
goto err_out_3;
}
- self->usbdev = dev;
-
/* Find IrDA class descriptor */
irda_desc = irda_usb_find_class_desc(intf);
ret = -ENODEV;
if (irda_desc == NULL)
goto err_out_3;
- if (self->needspatch) {
- ret = usb_control_msg (self->usbdev, usb_sndctrlpipe (self->usbdev, 0),
- 0x02, 0x40, 0, 0, NULL, 0, 500);
- if (ret < 0) {
- IRDA_DEBUG (0, "usb_control_msg failed %d\n", ret);
- goto err_out_3;
- } else {
- mdelay(10);
- }
- }
-
self->irda_desc = irda_desc;
self->present = 1;
self->netopen = 0;
+ self->capability = id->driver_info;
+ self->usbdev = dev;
self->usbintf = intf;
/* Allocate the buffer for speed changes */
IRDA_MESSAGE("IrDA: Registered device %s\n", net->name);
usb_set_intfdata(intf, self);
-
- if (self->needspatch) {
- /* Now we fetch and upload the firmware patch */
- ret = stir421x_patch_device(self);
- self->needspatch = (ret < 0);
- if (self->needspatch) {
- IRDA_ERROR("STIR421X: Couldn't upload patch\n");
- goto err_out_5;
- }
-
- /* replace IrDA class descriptor with what patched device is now reporting */
- irda_desc = irda_usb_find_class_desc (self->usbintf);
- if (irda_desc == NULL) {
- ret = -ENODEV;
- goto err_out_5;
- }
- if (self->irda_desc)
- kfree (self->irda_desc);
- self->irda_desc = irda_desc;
- irda_usb_init_qos(self);
- }
-
return 0;
-err_out_5:
- unregister_netdev(self->netdev);
err_out_4:
kfree(self->speed_buff);
err_out_3:
err_out_2:
usb_free_urb(self->tx_urb);
err_out_1:
- for (i = 0; i < self->max_rx_urb; i++) {
+ for (i = 0; i < IU_MAX_RX_URBS; i++) {
if (self->rx_urb[i])
usb_free_urb(self->rx_urb[i]);
}
/*netif_device_detach(self->netdev);*/
netif_stop_queue(self->netdev);
/* Stop all the receive URBs. Must be synchronous. */
- for (i = 0; i < self->max_rx_urb; i++)
+ for (i = 0; i < IU_MAX_RX_URBS; i++)
usb_kill_urb(self->rx_urb[i]);
/* Cancel Tx and speed URB.
* Make sure it's synchronous to avoid races. */
self->usbintf = NULL;
/* Clean up our urbs */
- for (i = 0; i < self->max_rx_urb; i++)
+ for (i = 0; i < IU_MAX_RX_URBS; i++)
usb_free_urb(self->rx_urb[i]);
- kfree(self->rx_urb);
/* Clean up Tx and speed URB */
usb_free_urb(self->tx_urb);
usb_free_urb(self->speed_urb);
*/
module_param(qos_mtt_bits, int, 0);
MODULE_PARM_DESC(qos_mtt_bits, "Minimum Turn Time");
-MODULE_AUTHOR("Roman Weissgaerber <weissg@vienna.at>, Dag Brattli <dag@brattli.net>, Jean Tourrilhes <jt@hpl.hp.com> and Nick Fedchik <nick@fedchik.org.ua>");
-MODULE_DESCRIPTION("IrDA-USB Dongle Driver");
+MODULE_AUTHOR("Roman Weissgaerber <weissg@vienna.at>, Dag Brattli <dag@brattli.net> and Jean Tourrilhes <jt@hpl.hp.com>");
+MODULE_DESCRIPTION("IrDA-USB Dongle Driver");
MODULE_LICENSE("GPL");
git://git.onelab.eu / linux-2.6.git / blobdiff