1865 lines
46 KiB
C
1865 lines
46 KiB
C
/*-
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* Copyright (c) 2003, 2004
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* Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
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*
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* Copyright (c) 2005 Matthieu Castet <castet.matthieu@free.fr>
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* BSD license below:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* GPL license :
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*
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* HISTORY : some part of the code was base on ueagle 1.3 BSD driver,
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* Damien Bergamini agree to put his code under a DUAL GPL/BSD license.
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*
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* The rest of the code was was rewritten from scratch.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/crc32.h>
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#include <linux/usb.h>
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#include <linux/firmware.h>
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#include <linux/ctype.h>
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#include <linux/kthread.h>
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#include <linux/version.h>
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#include <linux/mutex.h>
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#include <asm/unaligned.h>
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#include "usbatm.h"
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#define EAGLEUSBVERSION "ueagle 1.3"
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/*
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* Debug macros
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*/
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#define uea_dbg(usb_dev, format, args...) \
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do { \
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if (debug >= 1) \
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dev_dbg(&(usb_dev)->dev, \
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"[ueagle-atm dbg] %s: " format, \
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__FUNCTION__, ##args); \
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} while (0)
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#define uea_vdbg(usb_dev, format, args...) \
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do { \
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if (debug >= 2) \
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dev_dbg(&(usb_dev)->dev, \
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"[ueagle-atm vdbg] " format, ##args); \
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} while (0)
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#define uea_enters(usb_dev) \
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uea_vdbg(usb_dev, "entering %s\n", __FUNCTION__)
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#define uea_leaves(usb_dev) \
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uea_vdbg(usb_dev, "leaving %s\n", __FUNCTION__)
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#define uea_err(usb_dev, format,args...) \
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dev_err(&(usb_dev)->dev ,"[UEAGLE-ATM] " format , ##args)
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#define uea_warn(usb_dev, format,args...) \
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dev_warn(&(usb_dev)->dev ,"[Ueagle-atm] " format, ##args)
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#define uea_info(usb_dev, format,args...) \
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dev_info(&(usb_dev)->dev ,"[ueagle-atm] " format, ##args)
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struct uea_cmvs {
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u32 address;
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u16 offset;
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u32 data;
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} __attribute__ ((packed));
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struct uea_softc {
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struct usb_device *usb_dev;
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struct usbatm_data *usbatm;
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int modem_index;
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unsigned int driver_info;
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int booting;
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int reset;
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wait_queue_head_t sync_q;
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struct task_struct *kthread;
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u32 data;
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wait_queue_head_t cmv_ack_wait;
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int cmv_ack;
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struct work_struct task;
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u16 pageno;
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u16 ovl;
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const struct firmware *dsp_firm;
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struct urb *urb_int;
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u8 cmv_function;
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u16 cmv_idx;
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u32 cmv_address;
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u16 cmv_offset;
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/* keep in sync with eaglectl */
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struct uea_stats {
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struct {
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u32 state;
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u32 flags;
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u32 mflags;
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u32 vidcpe;
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u32 vidco;
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u32 dsrate;
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u32 usrate;
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u32 dsunc;
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u32 usunc;
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u32 dscorr;
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u32 uscorr;
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u32 txflow;
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u32 rxflow;
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u32 usattenuation;
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u32 dsattenuation;
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u32 dsmargin;
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u32 usmargin;
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u32 firmid;
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} phy;
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} stats;
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};
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/*
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* Elsa IDs
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*/
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#define ELSA_VID 0x05CC
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#define ELSA_PID_PSTFIRM 0x3350
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#define ELSA_PID_PREFIRM 0x3351
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/*
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* Sagem USB IDs
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*/
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#define EAGLE_VID 0x1110
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#define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */
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#define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */
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#define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */
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#define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */
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#define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */
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#define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */
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/*
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* Eagle III Pid
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*/
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#define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */
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#define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */
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/*
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* USR USB IDs
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*/
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#define USR_VID 0x0BAF
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#define MILLER_A_PID_PREFIRM 0x00F2
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#define MILLER_A_PID_PSTFIRM 0x00F1
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#define MILLER_B_PID_PREFIRM 0x00FA
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#define MILLER_B_PID_PSTFIRM 0x00F9
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#define HEINEKEN_A_PID_PREFIRM 0x00F6
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#define HEINEKEN_A_PID_PSTFIRM 0x00F5
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#define HEINEKEN_B_PID_PREFIRM 0x00F8
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#define HEINEKEN_B_PID_PSTFIRM 0x00F7
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#define PREFIRM 0
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#define PSTFIRM (1<<7)
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enum {
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ADI930 = 0,
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EAGLE_I,
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EAGLE_II,
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EAGLE_III
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};
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/* macros for both struct usb_device_id and struct uea_softc */
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#define UEA_IS_PREFIRM(x) \
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(!((x)->driver_info & PSTFIRM))
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#define UEA_CHIP_VERSION(x) \
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((x)->driver_info & 0xf)
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#define IS_ISDN(sc) \
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(le16_to_cpu(sc->usb_dev->descriptor.bcdDevice) & 0x80)
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#define INS_TO_USBDEV(ins) ins->usb_dev
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#define GET_STATUS(data) \
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((data >> 8) & 0xf)
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#define IS_OPERATIONAL(sc) \
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(GET_STATUS(sc->stats.phy.state) == 2)
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/*
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* Set of macros to handle unaligned data in the firmware blob.
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* The FW_GET_BYTE() macro is provided only for consistency.
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*/
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#define FW_GET_BYTE(p) *((__u8 *) (p))
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#define FW_GET_WORD(p) le16_to_cpu(get_unaligned((__le16 *) (p)))
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#define FW_GET_LONG(p) le32_to_cpu(get_unaligned((__le32 *) (p)))
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#define FW_DIR "ueagle-atm/"
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#define NB_MODEM 4
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#define BULK_TIMEOUT 300
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#define CTRL_TIMEOUT 1000
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#define ACK_TIMEOUT msecs_to_jiffies(3000)
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#define UEA_INTR_IFACE_NO 0
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#define UEA_US_IFACE_NO 1
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#define UEA_DS_IFACE_NO 2
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#define FASTEST_ISO_INTF 8
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#define UEA_BULK_DATA_PIPE 0x02
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#define UEA_IDMA_PIPE 0x04
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#define UEA_INTR_PIPE 0x04
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#define UEA_ISO_DATA_PIPE 0x08
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#define UEA_SET_BLOCK 0x0001
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#define UEA_SET_MODE 0x0003
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#define UEA_SET_2183_DATA 0x0004
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#define UEA_SET_TIMEOUT 0x0011
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#define UEA_LOOPBACK_OFF 0x0002
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#define UEA_LOOPBACK_ON 0x0003
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#define UEA_BOOT_IDMA 0x0006
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#define UEA_START_RESET 0x0007
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#define UEA_END_RESET 0x0008
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#define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
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#define UEA_MPTX_START (0x3fce | 0x4000)
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#define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
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#define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
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/* structure describing a block within a DSP page */
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struct block_info {
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__le16 wHdr;
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#define UEA_BIHDR 0xabcd
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__le16 wAddress;
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__le16 wSize;
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__le16 wOvlOffset;
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__le16 wOvl; /* overlay */
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__le16 wLast;
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} __attribute__ ((packed));
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#define BLOCK_INFO_SIZE 12
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/* structure representing a CMV (Configuration and Management Variable) */
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struct cmv {
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__le16 wPreamble;
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#define PREAMBLE 0x535c
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__u8 bDirection;
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#define MODEMTOHOST 0x01
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#define HOSTTOMODEM 0x10
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__u8 bFunction;
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#define FUNCTION_TYPE(f) ((f) >> 4)
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#define MEMACCESS 0x1
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#define ADSLDIRECTIVE 0x7
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#define FUNCTION_SUBTYPE(f) ((f) & 0x0f)
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/* for MEMACCESS */
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#define REQUESTREAD 0x0
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#define REQUESTWRITE 0x1
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#define REPLYREAD 0x2
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#define REPLYWRITE 0x3
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/* for ADSLDIRECTIVE */
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#define KERNELREADY 0x0
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#define MODEMREADY 0x1
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#define MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
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__le16 wIndex;
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__le32 dwSymbolicAddress;
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#define MAKESA(a, b, c, d) \
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(((c) & 0xff) << 24 | \
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((d) & 0xff) << 16 | \
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((a) & 0xff) << 8 | \
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((b) & 0xff))
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#define GETSA1(a) ((a >> 8) & 0xff)
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#define GETSA2(a) (a & 0xff)
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#define GETSA3(a) ((a >> 24) & 0xff)
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#define GETSA4(a) ((a >> 16) & 0xff)
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#define SA_CNTL MAKESA('C', 'N', 'T', 'L')
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#define SA_DIAG MAKESA('D', 'I', 'A', 'G')
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#define SA_INFO MAKESA('I', 'N', 'F', 'O')
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#define SA_OPTN MAKESA('O', 'P', 'T', 'N')
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#define SA_RATE MAKESA('R', 'A', 'T', 'E')
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#define SA_STAT MAKESA('S', 'T', 'A', 'T')
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__le16 wOffsetAddress;
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__le32 dwData;
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} __attribute__ ((packed));
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#define CMV_SIZE 16
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/* structure representing swap information */
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struct swap_info {
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__u8 bSwapPageNo;
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__u8 bOvl; /* overlay */
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} __attribute__ ((packed));
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/* structure representing interrupt data */
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struct intr_pkt {
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__u8 bType;
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__u8 bNotification;
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__le16 wValue;
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__le16 wIndex;
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__le16 wLength;
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__le16 wInterrupt;
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#define INT_LOADSWAPPAGE 0x0001
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#define INT_INCOMINGCMV 0x0002
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union {
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struct {
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struct swap_info swapinfo;
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__le16 wDataSize;
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} __attribute__ ((packed)) s1;
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struct {
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struct cmv cmv;
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__le16 wDataSize;
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} __attribute__ ((packed)) s2;
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} __attribute__ ((packed)) u;
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#define bSwapPageNo u.s1.swapinfo.bSwapPageNo
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#define bOvl u.s1.swapinfo.bOvl
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} __attribute__ ((packed));
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#define INTR_PKT_SIZE 28
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static struct usb_driver uea_driver;
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static DEFINE_MUTEX(uea_mutex);
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static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III"};
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static int modem_index;
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static unsigned int debug;
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static int use_iso[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = 1};
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static int sync_wait[NB_MODEM];
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static char *cmv_file[NB_MODEM];
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module_param(debug, uint, 0644);
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MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
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module_param_array(use_iso, bool, NULL, 0644);
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MODULE_PARM_DESC(use_iso, "use isochronous usb pipe for incoming traffic");
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module_param_array(sync_wait, bool, NULL, 0644);
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MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
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module_param_array(cmv_file, charp, NULL, 0644);
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MODULE_PARM_DESC(cmv_file,
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"file name with configuration and management variables");
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#define UPDATE_ATM_STAT(type, val) \
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do { \
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if (sc->usbatm->atm_dev) \
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sc->usbatm->atm_dev->type = val; \
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} while (0)
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/* Firmware loading */
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#define LOAD_INTERNAL 0xA0
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#define F8051_USBCS 0x7f92
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/**
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* uea_send_modem_cmd - Send a command for pre-firmware devices.
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*/
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static int uea_send_modem_cmd(struct usb_device *usb,
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u16 addr, u16 size, u8 * buff)
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{
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int ret = -ENOMEM;
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u8 *xfer_buff;
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|
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xfer_buff = kmalloc(size, GFP_KERNEL);
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if (xfer_buff) {
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memcpy(xfer_buff, buff, size);
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ret = usb_control_msg(usb,
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usb_sndctrlpipe(usb, 0),
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LOAD_INTERNAL,
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USB_DIR_OUT | USB_TYPE_VENDOR |
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USB_RECIP_DEVICE, addr, 0, xfer_buff,
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size, CTRL_TIMEOUT);
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kfree(xfer_buff);
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}
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|
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if (ret < 0)
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return ret;
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|
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return (ret == size) ? 0 : -EIO;
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}
|
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|
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static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context)
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{
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struct usb_device *usb = context;
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u8 *pfw, value;
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u32 crc = 0;
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int ret, size;
|
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|
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uea_enters(usb);
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if (!fw_entry) {
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uea_err(usb, "firmware is not available\n");
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goto err;
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}
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|
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pfw = fw_entry->data;
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size = fw_entry->size;
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if (size < 4)
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goto err_fw_corrupted;
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crc = FW_GET_LONG(pfw);
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pfw += 4;
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size -= 4;
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if (crc32_be(0, pfw, size) != crc)
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goto err_fw_corrupted;
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|
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/*
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* Start to upload formware : send reset
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*/
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value = 1;
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ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
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if (ret < 0) {
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uea_err(usb, "modem reset failed with error %d\n", ret);
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goto err;
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}
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while (size > 3) {
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u8 len = FW_GET_BYTE(pfw);
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u16 add = FW_GET_WORD(pfw + 1);
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size -= len + 3;
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if (size < 0)
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goto err_fw_corrupted;
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ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
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if (ret < 0) {
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uea_err(usb, "uploading firmware data failed "
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"with error %d\n", ret);
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goto err;
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}
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pfw += len + 3;
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}
|
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|
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if (size != 0)
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goto err_fw_corrupted;
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|
|
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/*
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* Tell the modem we finish : de-assert reset
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|
*/
|
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value = 0;
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ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
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if (ret < 0)
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uea_err(usb, "modem de-assert failed with error %d\n", ret);
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else
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uea_info(usb, "firmware uploaded\n");
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|
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uea_leaves(usb);
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return;
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|
|
|
err_fw_corrupted:
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uea_err(usb, "firmware is corrupted\n");
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|
err:
|
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uea_leaves(usb);
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|
}
|
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|
|
/**
|
|
* uea_load_firmware - Load usb firmware for pre-firmware devices.
|
|
*/
|
|
static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
|
|
{
|
|
int ret;
|
|
char *fw_name = FW_DIR "eagle.fw";
|
|
|
|
uea_enters(usb);
|
|
uea_info(usb, "pre-firmware device, uploading firmware\n");
|
|
|
|
switch (ver) {
|
|
case ADI930:
|
|
fw_name = FW_DIR "adi930.fw";
|
|
break;
|
|
case EAGLE_I:
|
|
fw_name = FW_DIR "eagleI.fw";
|
|
break;
|
|
case EAGLE_II:
|
|
fw_name = FW_DIR "eagleII.fw";
|
|
break;
|
|
case EAGLE_III:
|
|
fw_name = FW_DIR "eagleIII.fw";
|
|
break;
|
|
}
|
|
|
|
ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, usb, uea_upload_pre_firmware);
|
|
if (ret)
|
|
uea_err(usb, "firmware %s is not available\n", fw_name);
|
|
else
|
|
uea_info(usb, "loading firmware %s\n", fw_name);
|
|
|
|
uea_leaves(usb);
|
|
return ret;
|
|
}
|
|
|
|
/* modem management : dsp firmware, send/read CMV, monitoring statistic
|
|
*/
|
|
|
|
/*
|
|
* Make sure that the DSP code provided is safe to use.
|
|
*/
|
|
static int check_dsp(u8 *dsp, unsigned int len)
|
|
{
|
|
u8 pagecount, blockcount;
|
|
u16 blocksize;
|
|
u32 pageoffset;
|
|
unsigned int i, j, p, pp;
|
|
|
|
pagecount = FW_GET_BYTE(dsp);
|
|
p = 1;
|
|
|
|
/* enough space for page offsets? */
|
|
if (p + 4 * pagecount > len)
|
|
return 1;
|
|
|
|
for (i = 0; i < pagecount; i++) {
|
|
|
|
pageoffset = FW_GET_LONG(dsp + p);
|
|
p += 4;
|
|
|
|
if (pageoffset == 0)
|
|
continue;
|
|
|
|
/* enough space for blockcount? */
|
|
if (pageoffset >= len)
|
|
return 1;
|
|
|
|
pp = pageoffset;
|
|
blockcount = FW_GET_BYTE(dsp + pp);
|
|
pp += 1;
|
|
|
|
for (j = 0; j < blockcount; j++) {
|
|
|
|
/* enough space for block header? */
|
|
if (pp + 4 > len)
|
|
return 1;
|
|
|
|
pp += 2; /* skip blockaddr */
|
|
blocksize = FW_GET_WORD(dsp + pp);
|
|
pp += 2;
|
|
|
|
/* enough space for block data? */
|
|
if (pp + blocksize > len)
|
|
return 1;
|
|
|
|
pp += blocksize;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* send data to the idma pipe
|
|
* */
|
|
static int uea_idma_write(struct uea_softc *sc, void *data, u32 size)
|
|
{
|
|
int ret = -ENOMEM;
|
|
u8 *xfer_buff;
|
|
int bytes_read;
|
|
|
|
xfer_buff = kmalloc(size, GFP_KERNEL);
|
|
if (!xfer_buff) {
|
|
uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
|
|
return ret;
|
|
}
|
|
|
|
memcpy(xfer_buff, data, size);
|
|
|
|
ret = usb_bulk_msg(sc->usb_dev,
|
|
usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
|
|
xfer_buff, size, &bytes_read, BULK_TIMEOUT);
|
|
|
|
kfree(xfer_buff);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (size != bytes_read) {
|
|
uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
|
|
bytes_read);
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int request_dsp(struct uea_softc *sc)
|
|
{
|
|
int ret;
|
|
char *dsp_name;
|
|
|
|
if (UEA_CHIP_VERSION(sc) == ADI930) {
|
|
if (IS_ISDN(sc))
|
|
dsp_name = FW_DIR "DSP9i.bin";
|
|
else
|
|
dsp_name = FW_DIR "DSP9p.bin";
|
|
} else {
|
|
if (IS_ISDN(sc))
|
|
dsp_name = FW_DIR "DSPei.bin";
|
|
else
|
|
dsp_name = FW_DIR "DSPep.bin";
|
|
}
|
|
|
|
ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
|
|
if (ret < 0) {
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"requesting firmware %s failed with error %d\n",
|
|
dsp_name, ret);
|
|
return ret;
|
|
}
|
|
|
|
if (check_dsp(sc->dsp_firm->data, sc->dsp_firm->size)) {
|
|
uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
|
|
dsp_name);
|
|
release_firmware(sc->dsp_firm);
|
|
sc->dsp_firm = NULL;
|
|
return -EILSEQ;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* The uea_load_page() function must be called within a process context
|
|
*/
|
|
static void uea_load_page(void *xsc)
|
|
{
|
|
struct uea_softc *sc = xsc;
|
|
u16 pageno = sc->pageno;
|
|
u16 ovl = sc->ovl;
|
|
struct block_info bi;
|
|
|
|
u8 *p;
|
|
u8 pagecount, blockcount;
|
|
u16 blockaddr, blocksize;
|
|
u32 pageoffset;
|
|
int i;
|
|
|
|
/* reload firmware when reboot start and it's loaded already */
|
|
if (ovl == 0 && pageno == 0 && sc->dsp_firm) {
|
|
release_firmware(sc->dsp_firm);
|
|
sc->dsp_firm = NULL;
|
|
}
|
|
|
|
if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
|
|
return;
|
|
|
|
p = sc->dsp_firm->data;
|
|
pagecount = FW_GET_BYTE(p);
|
|
p += 1;
|
|
|
|
if (pageno >= pagecount)
|
|
goto bad1;
|
|
|
|
p += 4 * pageno;
|
|
pageoffset = FW_GET_LONG(p);
|
|
|
|
if (pageoffset == 0)
|
|
goto bad1;
|
|
|
|
p = sc->dsp_firm->data + pageoffset;
|
|
blockcount = FW_GET_BYTE(p);
|
|
p += 1;
|
|
|
|
uea_dbg(INS_TO_USBDEV(sc),
|
|
"sending %u blocks for DSP page %u\n", blockcount, pageno);
|
|
|
|
bi.wHdr = cpu_to_le16(UEA_BIHDR);
|
|
bi.wOvl = cpu_to_le16(ovl);
|
|
bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
|
|
|
|
for (i = 0; i < blockcount; i++) {
|
|
blockaddr = FW_GET_WORD(p);
|
|
p += 2;
|
|
|
|
blocksize = FW_GET_WORD(p);
|
|
p += 2;
|
|
|
|
bi.wSize = cpu_to_le16(blocksize);
|
|
bi.wAddress = cpu_to_le16(blockaddr);
|
|
bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
|
|
|
|
/* send block info through the IDMA pipe */
|
|
if (uea_idma_write(sc, &bi, BLOCK_INFO_SIZE))
|
|
goto bad2;
|
|
|
|
/* send block data through the IDMA pipe */
|
|
if (uea_idma_write(sc, p, blocksize))
|
|
goto bad2;
|
|
|
|
p += blocksize;
|
|
}
|
|
|
|
return;
|
|
|
|
bad2:
|
|
uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
|
|
return;
|
|
bad1:
|
|
uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
|
|
}
|
|
|
|
static inline void wake_up_cmv_ack(struct uea_softc *sc)
|
|
{
|
|
BUG_ON(sc->cmv_ack);
|
|
sc->cmv_ack = 1;
|
|
wake_up(&sc->cmv_ack_wait);
|
|
}
|
|
|
|
static inline int wait_cmv_ack(struct uea_softc *sc)
|
|
{
|
|
int ret = wait_event_timeout(sc->cmv_ack_wait,
|
|
sc->cmv_ack, ACK_TIMEOUT);
|
|
sc->cmv_ack = 0;
|
|
|
|
uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
|
|
jiffies_to_msecs(ret));
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return (ret == 0) ? -ETIMEDOUT : 0;
|
|
}
|
|
|
|
#define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
|
|
|
|
static int uea_request(struct uea_softc *sc,
|
|
u16 value, u16 index, u16 size, void *data)
|
|
{
|
|
u8 *xfer_buff;
|
|
int ret = -ENOMEM;
|
|
|
|
xfer_buff = kmalloc(size, GFP_KERNEL);
|
|
if (!xfer_buff) {
|
|
uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
|
|
return ret;
|
|
}
|
|
memcpy(xfer_buff, data, size);
|
|
|
|
ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
|
|
UCDC_SEND_ENCAPSULATED_COMMAND,
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
value, index, xfer_buff, size, CTRL_TIMEOUT);
|
|
|
|
kfree(xfer_buff);
|
|
if (ret < 0) {
|
|
uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (ret != size) {
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"usb_control_msg send only %d bytes (instead of %d)\n",
|
|
ret, size);
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int uea_cmv(struct uea_softc *sc,
|
|
u8 function, u32 address, u16 offset, u32 data)
|
|
{
|
|
struct cmv cmv;
|
|
int ret;
|
|
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
|
|
"offset : 0x%04x, data : 0x%08x\n",
|
|
FUNCTION_TYPE(function), FUNCTION_SUBTYPE(function),
|
|
GETSA1(address), GETSA2(address), GETSA3(address),
|
|
GETSA4(address), offset, data);
|
|
/* we send a request, but we expect a reply */
|
|
sc->cmv_function = function | 0x2;
|
|
sc->cmv_idx++;
|
|
sc->cmv_address = address;
|
|
sc->cmv_offset = offset;
|
|
|
|
cmv.wPreamble = cpu_to_le16(PREAMBLE);
|
|
cmv.bDirection = HOSTTOMODEM;
|
|
cmv.bFunction = function;
|
|
cmv.wIndex = cpu_to_le16(sc->cmv_idx);
|
|
put_unaligned(cpu_to_le32(address), &cmv.dwSymbolicAddress);
|
|
cmv.wOffsetAddress = cpu_to_le16(offset);
|
|
put_unaligned(cpu_to_le32(data >> 16 | data << 16), &cmv.dwData);
|
|
|
|
ret = uea_request(sc, UEA_SET_BLOCK, UEA_MPTX_START, CMV_SIZE, &cmv);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = wait_cmv_ack(sc);
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return ret;
|
|
}
|
|
|
|
static inline int uea_read_cmv(struct uea_softc *sc,
|
|
u32 address, u16 offset, u32 *data)
|
|
{
|
|
int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTREAD),
|
|
address, offset, 0);
|
|
if (ret < 0)
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"reading cmv failed with error %d\n", ret);
|
|
else
|
|
*data = sc->data;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int uea_write_cmv(struct uea_softc *sc,
|
|
u32 address, u16 offset, u32 data)
|
|
{
|
|
int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTWRITE),
|
|
address, offset, data);
|
|
if (ret < 0)
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"writing cmv failed with error %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Monitor the modem and update the stat
|
|
* return 0 if everything is ok
|
|
* return < 0 if an error occurs (-EAGAIN reboot needed)
|
|
*/
|
|
static int uea_stat(struct uea_softc *sc)
|
|
{
|
|
u32 data;
|
|
int ret;
|
|
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
data = sc->stats.phy.state;
|
|
|
|
ret = uea_read_cmv(sc, SA_STAT, 0, &sc->stats.phy.state);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
switch (GET_STATUS(sc->stats.phy.state)) {
|
|
case 0: /* not yet synchronized */
|
|
uea_dbg(INS_TO_USBDEV(sc),
|
|
"modem not yet synchronized\n");
|
|
return 0;
|
|
|
|
case 1: /* initialization */
|
|
uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
|
|
return 0;
|
|
|
|
case 2: /* operational */
|
|
uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
|
|
break;
|
|
|
|
case 3: /* fail ... */
|
|
uea_info(INS_TO_USBDEV(sc), "modem synchronization failed\n");
|
|
return -EAGAIN;
|
|
|
|
case 4 ... 6: /* test state */
|
|
uea_warn(INS_TO_USBDEV(sc),
|
|
"modem in test mode - not supported\n");
|
|
return -EAGAIN;
|
|
|
|
case 7: /* fast-retain ... */
|
|
uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
|
|
return 0;
|
|
default:
|
|
uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
|
|
GET_STATUS(sc->stats.phy.state));
|
|
return -EAGAIN;
|
|
}
|
|
|
|
if (GET_STATUS(data) != 2) {
|
|
uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
|
|
uea_info(INS_TO_USBDEV(sc), "modem operational\n");
|
|
|
|
/* release the dsp firmware as it is not needed until
|
|
* the next failure
|
|
*/
|
|
if (sc->dsp_firm) {
|
|
release_firmware(sc->dsp_firm);
|
|
sc->dsp_firm = NULL;
|
|
}
|
|
|
|
ret = uea_read_cmv(sc, SA_INFO, 10, &sc->stats.phy.firmid);
|
|
if (ret < 0)
|
|
return ret;
|
|
uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
|
|
sc->stats.phy.firmid);
|
|
}
|
|
|
|
/* always update it as atm layer could not be init when we switch to
|
|
* operational state
|
|
*/
|
|
UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND);
|
|
|
|
/* wake up processes waiting for synchronization */
|
|
wake_up(&sc->sync_q);
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 2, &sc->stats.phy.flags);
|
|
if (ret < 0)
|
|
return ret;
|
|
sc->stats.phy.mflags |= sc->stats.phy.flags;
|
|
|
|
/* in case of a flags ( for example delineation LOSS (& 0x10)),
|
|
* we check the status again in order to detect the failure earlier
|
|
*/
|
|
if (sc->stats.phy.flags) {
|
|
uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
|
|
sc->stats.phy.flags);
|
|
return 0;
|
|
}
|
|
|
|
ret = uea_read_cmv(sc, SA_RATE, 0, &data);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* in bulk mode the modem have problem with high rate
|
|
* changing internal timing could improve things, but the
|
|
* value is misterious.
|
|
* ADI930 don't support it (-EPIPE error).
|
|
*/
|
|
if (UEA_CHIP_VERSION(sc) != ADI930
|
|
&& !use_iso[sc->modem_index]
|
|
&& sc->stats.phy.dsrate != (data >> 16) * 32) {
|
|
/* Original timming from ADI(used in windows driver)
|
|
* 0x20ffff>>16 * 32 = 32 * 32 = 1Mbits
|
|
*/
|
|
u16 timeout = (data <= 0x20ffff) ? 0 : 1;
|
|
ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
|
|
uea_info(INS_TO_USBDEV(sc),
|
|
"setting new timeout %d%s\n", timeout,
|
|
ret < 0?" failed":"");
|
|
}
|
|
sc->stats.phy.dsrate = (data >> 16) * 32;
|
|
sc->stats.phy.usrate = (data & 0xffff) * 32;
|
|
UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 23, &data);
|
|
if (ret < 0)
|
|
return ret;
|
|
sc->stats.phy.dsattenuation = (data & 0xff) / 2;
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 47, &data);
|
|
if (ret < 0)
|
|
return ret;
|
|
sc->stats.phy.usattenuation = (data & 0xff) / 2;
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 25, &sc->stats.phy.dsmargin);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 49, &sc->stats.phy.usmargin);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 51, &sc->stats.phy.rxflow);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 52, &sc->stats.phy.txflow);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 54, &sc->stats.phy.dsunc);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* only for atu-c */
|
|
ret = uea_read_cmv(sc, SA_DIAG, 58, &sc->stats.phy.usunc);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = uea_read_cmv(sc, SA_DIAG, 53, &sc->stats.phy.dscorr);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* only for atu-c */
|
|
ret = uea_read_cmv(sc, SA_DIAG, 57, &sc->stats.phy.uscorr);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = uea_read_cmv(sc, SA_INFO, 8, &sc->stats.phy.vidco);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = uea_read_cmv(sc, SA_INFO, 13, &sc->stats.phy.vidcpe);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int request_cmvs(struct uea_softc *sc,
|
|
struct uea_cmvs **cmvs, const struct firmware **fw)
|
|
{
|
|
int ret, size;
|
|
u8 *data;
|
|
char *file;
|
|
char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */
|
|
|
|
if (cmv_file[sc->modem_index] == NULL) {
|
|
if (UEA_CHIP_VERSION(sc) == ADI930)
|
|
file = (IS_ISDN(sc)) ? "CMV9i.bin" : "CMV9p.bin";
|
|
else
|
|
file = (IS_ISDN(sc)) ? "CMVei.bin" : "CMVep.bin";
|
|
} else
|
|
file = cmv_file[sc->modem_index];
|
|
|
|
strcpy(cmv_name, FW_DIR);
|
|
strlcat(cmv_name, file, sizeof(cmv_name));
|
|
|
|
ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
|
|
if (ret < 0) {
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"requesting firmware %s failed with error %d\n",
|
|
cmv_name, ret);
|
|
return ret;
|
|
}
|
|
|
|
data = (u8 *) (*fw)->data;
|
|
size = *data * sizeof(struct uea_cmvs) + 1;
|
|
if (size != (*fw)->size) {
|
|
uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
|
|
cmv_name);
|
|
release_firmware(*fw);
|
|
return -EILSEQ;
|
|
}
|
|
|
|
*cmvs = (struct uea_cmvs *)(data + 1);
|
|
return *data;
|
|
}
|
|
|
|
/* Start boot post firmware modem:
|
|
* - send reset commands through usb control pipe
|
|
* - start workqueue for DSP loading
|
|
* - send CMV options to modem
|
|
*/
|
|
|
|
static int uea_start_reset(struct uea_softc *sc)
|
|
{
|
|
u16 zero = 0; /* ;-) */
|
|
int i, len, ret;
|
|
struct uea_cmvs *cmvs;
|
|
const struct firmware *cmvs_fw;
|
|
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
|
|
|
|
/* mask interrupt */
|
|
sc->booting = 1;
|
|
/* We need to set this here because, a ack timeout could have occured,
|
|
* but before we start the reboot, the ack occurs and set this to 1.
|
|
* So we will failed to wait Ready CMV.
|
|
*/
|
|
sc->cmv_ack = 0;
|
|
UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST);
|
|
|
|
/* reset statistics */
|
|
memset(&sc->stats, 0, sizeof(struct uea_stats));
|
|
|
|
/* tell the modem that we want to boot in IDMA mode */
|
|
uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
|
|
uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
|
|
|
|
/* enter reset mode */
|
|
uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
|
|
|
|
/* original driver use 200ms, but windows driver use 100ms */
|
|
msleep(100);
|
|
|
|
/* leave reset mode */
|
|
uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
|
|
|
|
/* clear tx and rx mailboxes */
|
|
uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
|
|
uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
|
|
uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
|
|
|
|
msleep(1000);
|
|
sc->cmv_function = MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY);
|
|
/* demask interrupt */
|
|
sc->booting = 0;
|
|
|
|
/* start loading DSP */
|
|
sc->pageno = 0;
|
|
sc->ovl = 0;
|
|
schedule_work(&sc->task);
|
|
|
|
/* wait for modem ready CMV */
|
|
ret = wait_cmv_ack(sc);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
|
|
|
|
/* Enter in R-IDLE (cmv) until instructed otherwise */
|
|
ret = uea_write_cmv(sc, SA_CNTL, 0, 1);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* get options */
|
|
ret = len = request_cmvs(sc, &cmvs, &cmvs_fw);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* send options */
|
|
for (i = 0; i < len; i++) {
|
|
ret = uea_write_cmv(sc, FW_GET_LONG(&cmvs[i].address),
|
|
FW_GET_WORD(&cmvs[i].offset),
|
|
FW_GET_LONG(&cmvs[i].data));
|
|
if (ret < 0)
|
|
goto out;
|
|
}
|
|
/* Enter in R-ACT-REQ */
|
|
ret = uea_write_cmv(sc, SA_CNTL, 0, 2);
|
|
uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
|
|
out:
|
|
release_firmware(cmvs_fw);
|
|
sc->reset = 0;
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* In case of an error wait 1s before rebooting the modem
|
|
* if the modem don't request reboot (-EAGAIN).
|
|
* Monitor the modem every 1s.
|
|
*/
|
|
|
|
static int uea_kthread(void *data)
|
|
{
|
|
struct uea_softc *sc = data;
|
|
int ret = -EAGAIN;
|
|
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
while (!kthread_should_stop()) {
|
|
if (ret < 0 || sc->reset)
|
|
ret = uea_start_reset(sc);
|
|
if (!ret)
|
|
ret = uea_stat(sc);
|
|
if (ret != -EAGAIN)
|
|
msleep(1000);
|
|
}
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return ret;
|
|
}
|
|
|
|
/* Load second usb firmware for ADI930 chip */
|
|
static int load_XILINX_firmware(struct uea_softc *sc)
|
|
{
|
|
const struct firmware *fw_entry;
|
|
int ret, size, u, ln;
|
|
u8 *pfw, value;
|
|
char *fw_name = FW_DIR "930-fpga.bin";
|
|
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
|
|
ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
|
|
if (ret) {
|
|
uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
|
|
fw_name);
|
|
goto err0;
|
|
}
|
|
|
|
pfw = fw_entry->data;
|
|
size = fw_entry->size;
|
|
if (size != 0x577B) {
|
|
uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
|
|
fw_name);
|
|
ret = -EILSEQ;
|
|
goto err1;
|
|
}
|
|
for (u = 0; u < size; u += ln) {
|
|
ln = min(size - u, 64);
|
|
ret = uea_request(sc, 0xe, 0, ln, pfw + u);
|
|
if (ret < 0) {
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"elsa download data failed (%d)\n", ret);
|
|
goto err1;
|
|
}
|
|
}
|
|
|
|
/* finish to send the fpga */
|
|
ret = uea_request(sc, 0xe, 1, 0, NULL);
|
|
if (ret < 0) {
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"elsa download data failed (%d)\n", ret);
|
|
goto err1;
|
|
}
|
|
|
|
/* Tell the modem we finish : de-assert reset */
|
|
value = 0;
|
|
ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
|
|
if (ret < 0)
|
|
uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret);
|
|
|
|
|
|
err1:
|
|
release_firmware(fw_entry);
|
|
err0:
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return ret;
|
|
}
|
|
|
|
/* The modem send us an ack. First with check if it right */
|
|
static void uea_dispatch_cmv(struct uea_softc *sc, struct cmv* cmv)
|
|
{
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
if (le16_to_cpu(cmv->wPreamble) != PREAMBLE)
|
|
goto bad1;
|
|
|
|
if (cmv->bDirection != MODEMTOHOST)
|
|
goto bad1;
|
|
|
|
/* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
|
|
* the first MEMACESS cmv. Ignore it...
|
|
*/
|
|
if (cmv->bFunction != sc->cmv_function) {
|
|
if (UEA_CHIP_VERSION(sc) == ADI930
|
|
&& cmv->bFunction == MAKEFUNCTION(2, 2)) {
|
|
cmv->wIndex = cpu_to_le16(sc->cmv_idx);
|
|
put_unaligned(cpu_to_le32(sc->cmv_address), &cmv->dwSymbolicAddress);
|
|
cmv->wOffsetAddress = cpu_to_le16(sc->cmv_offset);
|
|
}
|
|
else
|
|
goto bad2;
|
|
}
|
|
|
|
if (cmv->bFunction == MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY)) {
|
|
wake_up_cmv_ack(sc);
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return;
|
|
}
|
|
|
|
/* in case of MEMACCESS */
|
|
if (le16_to_cpu(cmv->wIndex) != sc->cmv_idx ||
|
|
le32_to_cpu(get_unaligned(&cmv->dwSymbolicAddress)) !=
|
|
sc->cmv_address
|
|
|| le16_to_cpu(cmv->wOffsetAddress) != sc->cmv_offset)
|
|
goto bad2;
|
|
|
|
sc->data = le32_to_cpu(get_unaligned(&cmv->dwData));
|
|
sc->data = sc->data << 16 | sc->data >> 16;
|
|
|
|
wake_up_cmv_ack(sc);
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return;
|
|
|
|
bad2:
|
|
uea_err(INS_TO_USBDEV(sc), "unexpected cmv received,"
|
|
"Function : %d, Subfunction : %d\n",
|
|
FUNCTION_TYPE(cmv->bFunction),
|
|
FUNCTION_SUBTYPE(cmv->bFunction));
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return;
|
|
|
|
bad1:
|
|
uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
|
|
"wPreamble %d, bDirection %d\n",
|
|
le16_to_cpu(cmv->wPreamble), cmv->bDirection);
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
}
|
|
|
|
/*
|
|
* interrupt handler
|
|
*/
|
|
static void uea_intr(struct urb *urb, struct pt_regs *regs)
|
|
{
|
|
struct uea_softc *sc = urb->context;
|
|
struct intr_pkt *intr = urb->transfer_buffer;
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
|
|
if (unlikely(urb->status < 0)) {
|
|
uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
|
|
urb->status);
|
|
return;
|
|
}
|
|
|
|
/* device-to-host interrupt */
|
|
if (intr->bType != 0x08 || sc->booting) {
|
|
uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
|
|
goto resubmit;
|
|
}
|
|
|
|
switch (le16_to_cpu(intr->wInterrupt)) {
|
|
case INT_LOADSWAPPAGE:
|
|
sc->pageno = intr->bSwapPageNo;
|
|
sc->ovl = intr->bOvl >> 4 | intr->bOvl << 4;
|
|
schedule_work(&sc->task);
|
|
break;
|
|
|
|
case INT_INCOMINGCMV:
|
|
uea_dispatch_cmv(sc, &intr->u.s2.cmv);
|
|
break;
|
|
|
|
default:
|
|
uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
|
|
le16_to_cpu(intr->wInterrupt));
|
|
}
|
|
|
|
resubmit:
|
|
usb_submit_urb(sc->urb_int, GFP_ATOMIC);
|
|
}
|
|
|
|
/*
|
|
* Start the modem : init the data and start kernel thread
|
|
*/
|
|
static int uea_boot(struct uea_softc *sc)
|
|
{
|
|
int ret;
|
|
struct intr_pkt *intr;
|
|
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
|
|
INIT_WORK(&sc->task, uea_load_page, sc);
|
|
init_waitqueue_head(&sc->sync_q);
|
|
init_waitqueue_head(&sc->cmv_ack_wait);
|
|
|
|
if (UEA_CHIP_VERSION(sc) == ADI930)
|
|
load_XILINX_firmware(sc);
|
|
|
|
intr = kmalloc(INTR_PKT_SIZE, GFP_KERNEL);
|
|
if (!intr) {
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"cannot allocate interrupt package\n");
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!sc->urb_int) {
|
|
uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n");
|
|
goto err;
|
|
}
|
|
|
|
usb_fill_int_urb(sc->urb_int, sc->usb_dev,
|
|
usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
|
|
intr, INTR_PKT_SIZE, uea_intr, sc,
|
|
sc->usb_dev->actconfig->interface[0]->altsetting[0].
|
|
endpoint[0].desc.bInterval);
|
|
|
|
ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
|
|
if (ret < 0) {
|
|
uea_err(INS_TO_USBDEV(sc),
|
|
"urb submition failed with error %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm");
|
|
if (sc->kthread == ERR_PTR(-ENOMEM)) {
|
|
uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
|
|
goto err2;
|
|
}
|
|
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return 0;
|
|
|
|
err2:
|
|
usb_kill_urb(sc->urb_int);
|
|
err:
|
|
usb_free_urb(sc->urb_int);
|
|
sc->urb_int = NULL;
|
|
kfree(intr);
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/*
|
|
* Stop the modem : kill kernel thread and free data
|
|
*/
|
|
static void uea_stop(struct uea_softc *sc)
|
|
{
|
|
int ret;
|
|
uea_enters(INS_TO_USBDEV(sc));
|
|
ret = kthread_stop(sc->kthread);
|
|
uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
|
|
|
|
/* stop any pending boot process */
|
|
flush_scheduled_work();
|
|
|
|
uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
|
|
|
|
usb_kill_urb(sc->urb_int);
|
|
kfree(sc->urb_int->transfer_buffer);
|
|
usb_free_urb(sc->urb_int);
|
|
|
|
if (sc->dsp_firm)
|
|
release_firmware(sc->dsp_firm);
|
|
uea_leaves(INS_TO_USBDEV(sc));
|
|
}
|
|
|
|
/* syfs interface */
|
|
static struct uea_softc *dev_to_uea(struct device *dev)
|
|
{
|
|
struct usb_interface *intf;
|
|
struct usbatm_data *usbatm;
|
|
|
|
intf = to_usb_interface(dev);
|
|
if (!intf)
|
|
return NULL;
|
|
|
|
usbatm = usb_get_intfdata(intf);
|
|
if (!usbatm)
|
|
return NULL;
|
|
|
|
return usbatm->driver_data;
|
|
}
|
|
|
|
static ssize_t read_status(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int ret = -ENODEV;
|
|
struct uea_softc *sc;
|
|
|
|
mutex_lock(&uea_mutex);
|
|
sc = dev_to_uea(dev);
|
|
if (!sc)
|
|
goto out;
|
|
ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
|
|
out:
|
|
mutex_unlock(&uea_mutex);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t reboot(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
int ret = -ENODEV;
|
|
struct uea_softc *sc;
|
|
|
|
mutex_lock(&uea_mutex);
|
|
sc = dev_to_uea(dev);
|
|
if (!sc)
|
|
goto out;
|
|
sc->reset = 1;
|
|
ret = count;
|
|
out:
|
|
mutex_unlock(&uea_mutex);
|
|
return ret;
|
|
}
|
|
|
|
static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot);
|
|
|
|
static ssize_t read_human_status(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int ret = -ENODEV;
|
|
struct uea_softc *sc;
|
|
|
|
mutex_lock(&uea_mutex);
|
|
sc = dev_to_uea(dev);
|
|
if (!sc)
|
|
goto out;
|
|
|
|
switch (GET_STATUS(sc->stats.phy.state)) {
|
|
case 0:
|
|
ret = sprintf(buf, "Modem is booting\n");
|
|
break;
|
|
case 1:
|
|
ret = sprintf(buf, "Modem is initializing\n");
|
|
break;
|
|
case 2:
|
|
ret = sprintf(buf, "Modem is operational\n");
|
|
break;
|
|
default:
|
|
ret = sprintf(buf, "Modem synchronization failed\n");
|
|
break;
|
|
}
|
|
out:
|
|
mutex_unlock(&uea_mutex);
|
|
return ret;
|
|
}
|
|
|
|
static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL);
|
|
|
|
static ssize_t read_delin(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int ret = -ENODEV;
|
|
struct uea_softc *sc;
|
|
|
|
mutex_lock(&uea_mutex);
|
|
sc = dev_to_uea(dev);
|
|
if (!sc)
|
|
goto out;
|
|
|
|
if (sc->stats.phy.flags & 0x0C00)
|
|
ret = sprintf(buf, "ERROR\n");
|
|
else if (sc->stats.phy.flags & 0x0030)
|
|
ret = sprintf(buf, "LOSS\n");
|
|
else
|
|
ret = sprintf(buf, "GOOD\n");
|
|
out:
|
|
mutex_unlock(&uea_mutex);
|
|
return ret;
|
|
}
|
|
|
|
static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL);
|
|
|
|
#define UEA_ATTR(name, reset) \
|
|
\
|
|
static ssize_t read_##name(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
int ret = -ENODEV; \
|
|
struct uea_softc *sc; \
|
|
\
|
|
mutex_lock(&uea_mutex); \
|
|
sc = dev_to_uea(dev); \
|
|
if (!sc) \
|
|
goto out; \
|
|
ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \
|
|
if (reset) \
|
|
sc->stats.phy.name = 0; \
|
|
out: \
|
|
mutex_unlock(&uea_mutex); \
|
|
return ret; \
|
|
} \
|
|
\
|
|
static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL)
|
|
|
|
UEA_ATTR(mflags, 1);
|
|
UEA_ATTR(vidcpe, 0);
|
|
UEA_ATTR(usrate, 0);
|
|
UEA_ATTR(dsrate, 0);
|
|
UEA_ATTR(usattenuation, 0);
|
|
UEA_ATTR(dsattenuation, 0);
|
|
UEA_ATTR(usmargin, 0);
|
|
UEA_ATTR(dsmargin, 0);
|
|
UEA_ATTR(txflow, 0);
|
|
UEA_ATTR(rxflow, 0);
|
|
UEA_ATTR(uscorr, 0);
|
|
UEA_ATTR(dscorr, 0);
|
|
UEA_ATTR(usunc, 0);
|
|
UEA_ATTR(dsunc, 0);
|
|
|
|
/* Retrieve the device End System Identifier (MAC) */
|
|
|
|
#define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10)
|
|
static int uea_getesi(struct uea_softc *sc, u_char * esi)
|
|
{
|
|
unsigned char mac_str[2 * ETH_ALEN + 1];
|
|
int i;
|
|
if (usb_string
|
|
(sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
|
|
sizeof(mac_str)) != 2 * ETH_ALEN)
|
|
return 1;
|
|
|
|
for (i = 0; i < ETH_ALEN; i++)
|
|
esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ATM stuff */
|
|
static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
|
|
{
|
|
struct uea_softc *sc = usbatm->driver_data;
|
|
|
|
return uea_getesi(sc, atm_dev->esi);
|
|
}
|
|
|
|
static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
|
|
{
|
|
struct uea_softc *sc = usbatm->driver_data;
|
|
|
|
wait_event(sc->sync_q, IS_OPERATIONAL(sc));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int claim_interface(struct usb_device *usb_dev,
|
|
struct usbatm_data *usbatm, int ifnum)
|
|
{
|
|
int ret;
|
|
struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
|
|
|
|
if (!intf) {
|
|
uea_err(usb_dev, "interface %d not found\n", ifnum);
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
|
|
if (ret != 0)
|
|
uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
static void create_fs_entries(struct uea_softc *sc, struct usb_interface *intf)
|
|
{
|
|
/* sysfs interface */
|
|
device_create_file(&intf->dev, &dev_attr_stat_status);
|
|
device_create_file(&intf->dev, &dev_attr_stat_mflags);
|
|
device_create_file(&intf->dev, &dev_attr_stat_human_status);
|
|
device_create_file(&intf->dev, &dev_attr_stat_delin);
|
|
device_create_file(&intf->dev, &dev_attr_stat_vidcpe);
|
|
device_create_file(&intf->dev, &dev_attr_stat_usrate);
|
|
device_create_file(&intf->dev, &dev_attr_stat_dsrate);
|
|
device_create_file(&intf->dev, &dev_attr_stat_usattenuation);
|
|
device_create_file(&intf->dev, &dev_attr_stat_dsattenuation);
|
|
device_create_file(&intf->dev, &dev_attr_stat_usmargin);
|
|
device_create_file(&intf->dev, &dev_attr_stat_dsmargin);
|
|
device_create_file(&intf->dev, &dev_attr_stat_txflow);
|
|
device_create_file(&intf->dev, &dev_attr_stat_rxflow);
|
|
device_create_file(&intf->dev, &dev_attr_stat_uscorr);
|
|
device_create_file(&intf->dev, &dev_attr_stat_dscorr);
|
|
device_create_file(&intf->dev, &dev_attr_stat_usunc);
|
|
device_create_file(&intf->dev, &dev_attr_stat_dsunc);
|
|
}
|
|
|
|
static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *usb = interface_to_usbdev(intf);
|
|
struct uea_softc *sc;
|
|
int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
|
|
|
|
uea_enters(usb);
|
|
|
|
/* interface 0 is for firmware/monitoring */
|
|
if (ifnum != UEA_INTR_IFACE_NO)
|
|
return -ENODEV;
|
|
|
|
usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
|
|
|
|
/* interface 1 is for outbound traffic */
|
|
ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
|
|
if (UEA_CHIP_VERSION(id) != ADI930) {
|
|
/* interface 2 is for inbound traffic */
|
|
ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
|
|
if (!sc) {
|
|
uea_err(usb, "uea_init: not enough memory !\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sc->usb_dev = usb;
|
|
usbatm->driver_data = sc;
|
|
sc->usbatm = usbatm;
|
|
sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
|
|
sc->driver_info = id->driver_info;
|
|
|
|
/* ADI930 don't support iso */
|
|
if (UEA_CHIP_VERSION(id) != ADI930 && use_iso[sc->modem_index]) {
|
|
int i;
|
|
|
|
/* try set fastest alternate for inbound traffic interface */
|
|
for (i = FASTEST_ISO_INTF; i > 0; i--)
|
|
if (usb_set_interface(usb, UEA_DS_IFACE_NO, i) == 0)
|
|
break;
|
|
|
|
if (i > 0) {
|
|
uea_dbg(usb, "set alternate %d for 2 interface\n", i);
|
|
uea_info(usb, "using iso mode\n");
|
|
usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
|
|
} else {
|
|
uea_err(usb, "setting any alternate failed for "
|
|
"2 interface, using bulk mode\n");
|
|
}
|
|
}
|
|
|
|
ret = uea_boot(sc);
|
|
if (ret < 0) {
|
|
kfree(sc);
|
|
return ret;
|
|
}
|
|
|
|
create_fs_entries(sc, intf);
|
|
return 0;
|
|
}
|
|
|
|
static void destroy_fs_entries(struct uea_softc *sc, struct usb_interface *intf)
|
|
{
|
|
/* sysfs interface */
|
|
device_remove_file(&intf->dev, &dev_attr_stat_status);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_mflags);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_human_status);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_delin);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_vidcpe);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_usrate);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_dsrate);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_usattenuation);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_dsattenuation);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_usmargin);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_dsmargin);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_txflow);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_rxflow);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_uscorr);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_dscorr);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_usunc);
|
|
device_remove_file(&intf->dev, &dev_attr_stat_dsunc);
|
|
}
|
|
|
|
static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
|
|
{
|
|
struct uea_softc *sc = usbatm->driver_data;
|
|
|
|
destroy_fs_entries(sc, intf);
|
|
uea_stop(sc);
|
|
kfree(sc);
|
|
}
|
|
|
|
static struct usbatm_driver uea_usbatm_driver = {
|
|
.driver_name = "ueagle-atm",
|
|
.bind = uea_bind,
|
|
.atm_start = uea_atm_open,
|
|
.unbind = uea_unbind,
|
|
.heavy_init = uea_heavy,
|
|
.bulk_in = UEA_BULK_DATA_PIPE,
|
|
.bulk_out = UEA_BULK_DATA_PIPE,
|
|
.isoc_in = UEA_ISO_DATA_PIPE,
|
|
};
|
|
|
|
static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *usb = interface_to_usbdev(intf);
|
|
|
|
uea_enters(usb);
|
|
uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s\n",
|
|
le16_to_cpu(usb->descriptor.idVendor),
|
|
le16_to_cpu(usb->descriptor.idProduct),
|
|
chip_name[UEA_CHIP_VERSION(id)]);
|
|
|
|
usb_reset_device(usb);
|
|
|
|
if (UEA_IS_PREFIRM(id))
|
|
return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
|
|
|
|
return usbatm_usb_probe(intf, id, &uea_usbatm_driver);
|
|
}
|
|
|
|
static void uea_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct usb_device *usb = interface_to_usbdev(intf);
|
|
int ifnum = intf->altsetting->desc.bInterfaceNumber;
|
|
uea_enters(usb);
|
|
|
|
/* ADI930 has 2 interfaces and eagle 3 interfaces.
|
|
* Pre-firmware device has one interface
|
|
*/
|
|
if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
|
|
mutex_lock(&uea_mutex);
|
|
usbatm_usb_disconnect(intf);
|
|
mutex_unlock(&uea_mutex);
|
|
uea_info(usb, "ADSL device removed\n");
|
|
}
|
|
|
|
uea_leaves(usb);
|
|
}
|
|
|
|
/*
|
|
* List of supported VID/PID
|
|
*/
|
|
static const struct usb_device_id uea_ids[] = {
|
|
{USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM},
|
|
{USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM},
|
|
{USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM},
|
|
{USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
|
|
{USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
|
|
{USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
|
|
{USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
|
|
{USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
|
|
{USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM},
|
|
{USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
|
|
{USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM},
|
|
{}
|
|
};
|
|
|
|
/*
|
|
* USB driver descriptor
|
|
*/
|
|
static struct usb_driver uea_driver = {
|
|
.name = "ueagle-atm",
|
|
.id_table = uea_ids,
|
|
.probe = uea_probe,
|
|
.disconnect = uea_disconnect,
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, uea_ids);
|
|
|
|
/**
|
|
* uea_init - Initialize the module.
|
|
* Register to USB subsystem
|
|
*/
|
|
static int __init uea_init(void)
|
|
{
|
|
printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n");
|
|
|
|
usb_register(&uea_driver);
|
|
|
|
return 0;
|
|
}
|
|
|
|
module_init(uea_init);
|
|
|
|
/**
|
|
* uea_exit - Destroy module
|
|
* Deregister with USB subsystem
|
|
*/
|
|
static void __exit uea_exit(void)
|
|
{
|
|
/*
|
|
* This calls automatically the uea_disconnect method if necessary:
|
|
*/
|
|
usb_deregister(&uea_driver);
|
|
|
|
printk(KERN_INFO "[ueagle-atm] driver unloaded\n");
|
|
}
|
|
|
|
module_exit(uea_exit);
|
|
|
|
MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
|
|
MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
|
|
MODULE_LICENSE("Dual BSD/GPL");
|