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/******************************************************************************
* speedtch.c - Alcatel SpeedTouch USB xDSL modem driver
*
* Copyright (C) 2001, Alcatel
* Copyright (C) 2003, Duncan Sands
* Copyright (C) 2004, David Woodhouse
*
* Based on "modem_run.c", copyright (C) 2001, Benoit Papillault
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
******************************************************************************/
#include <asm/page.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/firmware.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/timer.h>
#include <linux/types.h>
#include <linux/usb/ch9.h>
#include <linux/workqueue.h>
#include "usbatm.h"
#define DRIVER_AUTHOR "Johan Verrept, Duncan Sands <duncan.sands@free.fr>"
#define DRIVER_VERSION "1.10"
#define DRIVER_DESC "Alcatel SpeedTouch USB driver version " DRIVER_VERSION
static const char speedtch_driver_name[] = "speedtch";
#define CTRL_TIMEOUT 2000 /* milliseconds */
#define DATA_TIMEOUT 2000 /* milliseconds */
#define OFFSET_7 0 /* size 1 */
#define OFFSET_b 1 /* size 8 */
#define OFFSET_d 9 /* size 4 */
#define OFFSET_e 13 /* size 1 */
#define OFFSET_f 14 /* size 1 */
#define SIZE_7 1
#define SIZE_b 8
#define SIZE_d 4
#define SIZE_e 1
#define SIZE_f 1
#define MIN_POLL_DELAY 5000 /* milliseconds */
#define MAX_POLL_DELAY 60000 /* milliseconds */
#define RESUBMIT_DELAY 1000 /* milliseconds */
#define DEFAULT_BULK_ALTSETTING 1
#define DEFAULT_ISOC_ALTSETTING 3
#define DEFAULT_DL_512_FIRST 0
#define DEFAULT_ENABLE_ISOC 0
#define DEFAULT_SW_BUFFERING 0
static unsigned int altsetting = 0; /* zero means: use the default */
static bool dl_512_first = DEFAULT_DL_512_FIRST;
static bool enable_isoc = DEFAULT_ENABLE_ISOC;
static bool sw_buffering = DEFAULT_SW_BUFFERING;
#define DEFAULT_B_MAX_DSL 8128
#define DEFAULT_MODEM_MODE 11
#define MODEM_OPTION_LENGTH 16
static const unsigned char DEFAULT_MODEM_OPTION[MODEM_OPTION_LENGTH] = {
0x10, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static unsigned int BMaxDSL = DEFAULT_B_MAX_DSL;
static unsigned char ModemMode = DEFAULT_MODEM_MODE;
static unsigned char ModemOption[MODEM_OPTION_LENGTH];
static unsigned int num_ModemOption;
module_param(altsetting, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(altsetting,
"Alternative setting for data interface (bulk_default: "
__MODULE_STRING(DEFAULT_BULK_ALTSETTING) "; isoc_default: "
__MODULE_STRING(DEFAULT_ISOC_ALTSETTING) ")");
module_param(dl_512_first, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(dl_512_first,
"Read 512 bytes before sending firmware (default: "
__MODULE_STRING(DEFAULT_DL_512_FIRST) ")");
module_param(enable_isoc, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(enable_isoc,
"Use isochronous transfers if available (default: "
__MODULE_STRING(DEFAULT_ENABLE_ISOC) ")");
module_param(sw_buffering, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(sw_buffering,
"Enable software buffering (default: "
__MODULE_STRING(DEFAULT_SW_BUFFERING) ")");
module_param(BMaxDSL, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(BMaxDSL,
"default: " __MODULE_STRING(DEFAULT_B_MAX_DSL));
module_param(ModemMode, byte, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ModemMode,
"default: " __MODULE_STRING(DEFAULT_MODEM_MODE));
module_param_array(ModemOption, byte, &num_ModemOption, S_IRUGO);
MODULE_PARM_DESC(ModemOption, "default: 0x10,0x00,0x00,0x00,0x20");
#define INTERFACE_DATA 1
#define ENDPOINT_INT 0x81
#define ENDPOINT_BULK_DATA 0x07
#define ENDPOINT_ISOC_DATA 0x07
#define ENDPOINT_FIRMWARE 0x05
struct speedtch_params {
unsigned int altsetting;
unsigned int BMaxDSL;
unsigned char ModemMode;
unsigned char ModemOption[MODEM_OPTION_LENGTH];
};
struct speedtch_instance_data {
struct usbatm_data *usbatm;
struct speedtch_params params; /* set in probe, constant afterwards */
struct timer_list status_check_timer;
struct work_struct status_check_work;
unsigned char last_status;
int poll_delay; /* milliseconds */
struct timer_list resubmit_timer;
struct urb *int_urb;
unsigned char int_data[16];
unsigned char scratch_buffer[16];
};
/***************
** firmware **
***************/
static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state)
{
struct usbatm_data *usbatm = instance->usbatm;
struct usb_device *usb_dev = usbatm->usb_dev;
int ret;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x32, 0x40, state ? 0x01 : 0x00, 0x00, NULL, 0, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm,
"%sabling SW buffering: usb_control_msg returned %d\n",
state ? "En" : "Dis", ret);
else
usb_dbg(usbatm, "speedtch_set_swbuff: %sbled SW buffering\n", state ? "En" : "Dis");
}
static void speedtch_test_sequence(struct speedtch_instance_data *instance)
{
struct usbatm_data *usbatm = instance->usbatm;
struct usb_device *usb_dev = usbatm->
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