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提交 917f5085 编写于 作者: T Tilman Schmidt 提交者： Linus Torvalds
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[PATCH] isdn4linux: Siemens Gigaset drivers: code cleanup 

With Hansjoerg Lipp <hjlipp@web.de>

Source code formatting cleanups for the Siemens Gigaset drivers, such as line
length, comments, removal of unused declarations, and typo corrections.  It
does not introduce any functional changes.
Signed-off-by: NHansjoerg Lipp <hjlipp@web.de>
Signed-off-by: NTilman Schmidt <tilman@imap.cc>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 08a53cdc
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Showing with 523 addition and 541 deletion
drivers/isdn/gigaset/asyncdata.c
浏览文件 @ 917f5085
......@@ -11,10 +11,6 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: asyncdata.c,v 1.2.2.7 2005/11/13 23:05:18 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
......@@ -58,7 +54,8 @@ static inline int cmd_loop(unsigned char c, unsigned char *src, int numbytes,
dbg(DEBUG_TRANSCMD, "%s: End of Command (%d Bytes)",
__func__, cbytes);
cs->cbytes = cbytes;
gigaset_handle_modem_response(cs); /* can change cs->dle */
gigaset_handle_modem_response(cs); /* can change
cs->dle */
cbytes = 0;
if (cs->dle &&
......@@ -100,7 +97,8 @@ static inline int lock_loop(unsigned char *src, int numbytes,
{
struct cardstate *cs = inbuf->cs;
gigaset_dbg_buffer(DEBUG_LOCKCMD, "received response", numbytes, src, 0);
gigaset_dbg_buffer(DEBUG_LOCKCMD, "received response",
numbytes, src, 0);
gigaset_if_receive(cs, src, numbytes);
return numbytes;
......@@ -392,8 +390,7 @@ void gigaset_m10x_input(struct inbuf_t *inbuf)
if (!(inbuf->inputstate & INS_DLE_char)) {
/* FIXME Einfach je nach Modus Funktionszeiger in cs setzen [hier+hdlc_loop]? */
/* FIXME Spart folgendes "if" und ermoeglicht andere Protokolle */
/* FIXME use function pointers? */
if (inbuf->inputstate & INS_command)
procbytes = cmd_loop(c, src, numbytes, inbuf);
else if (inbuf->bcs->proto2 == ISDN_PROTO_L2_HDLC)
......
drivers/isdn/gigaset/bas-gigaset.c
浏览文件 @ 917f5085
......@@ -13,10 +13,6 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: bas-gigaset.c,v 1.52.4.19 2006/02/04 18:28:16 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
......@@ -70,9 +66,6 @@ static struct usb_device_id gigaset_table [] = {
MODULE_DEVICE_TABLE(usb, gigaset_table);
/* Get a minor range for your devices from the usb maintainer */
#define USB_SKEL_MINOR_BASE 200
/*======================= local function prototypes =============================*/
/* This function is called if a new device is connected to the USB port. It
......@@ -240,7 +233,8 @@ static inline void dump_urb(enum debuglevel level, const char *tag,
(unsigned long) urb->context,
(unsigned long) urb->complete);
for (i = 0; i < urb->number_of_packets; i++) {
struct usb_iso_packet_descriptor *pifd = &urb->iso_frame_desc[i];
struct usb_iso_packet_descriptor *pifd
= &urb->iso_frame_desc[i];
dbg(level,
" {offset=%u, length=%u, actual_length=%u, "
"status=%u}",
......@@ -780,7 +774,8 @@ static void read_iso_callback(struct urb *urb, struct pt_regs *regs)
urb->dev = bcs->cs->hw.bas->udev; /* clobbered by USB subsystem */
urb->transfer_flags = URB_ISO_ASAP;
urb->number_of_packets = BAS_NUMFRAMES;
dbg(DEBUG_ISO, "%s: isoc read overrun/resubmit", __func__);
dbg(DEBUG_ISO, "%s: isoc read overrun/resubmit",
__func__);
rc = usb_submit_urb(urb, SLAB_ATOMIC);
if (unlikely(rc != 0)) {
err("could not resubmit isochronous read URB: %s",
......@@ -1011,7 +1006,8 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
//dbg(DEBUG_ISO, "%s: frame %d length=%d", __func__, nframe, ifd->length);
/* retrieve block of data to send */
ifd->offset = gigaset_isowbuf_getbytes(ubc->isooutbuf, ifd->length);
ifd->offset = gigaset_isowbuf_getbytes(ubc->isooutbuf,
ifd->length);
if (ifd->offset < 0) {
if (ifd->offset == -EBUSY) {
dbg(DEBUG_ISO, "%s: buffer busy at frame %d",
......@@ -1123,7 +1119,8 @@ static void write_iso_tasklet(unsigned long data)
break;
case -EXDEV: /* inspect individual frames */
/* assumptions (for lack of documentation):
* - actual_length bytes of the frame in error are successfully sent
* - actual_length bytes of the frame in error are
* successfully sent
* - all following frames are not sent at all
*/
dbg(DEBUG_ISO, "%s: URB partially completed", __func__);
......@@ -1260,7 +1257,8 @@ static void read_iso_tasklet(unsigned long data)
switch (urb->status) {
case 0: /* normal completion */
break;
case -EXDEV: /* inspect individual frames (we do that anyway) */
case -EXDEV: /* inspect individual frames
(we do that anyway) */
dbg(DEBUG_ISO, "%s: URB partially completed", __func__);
break;
case -ENOENT:
......@@ -1284,8 +1282,8 @@ static void read_iso_tasklet(unsigned long data)
totleft = urb->actual_length;
for (frame = 0; totleft > 0 && frame < BAS_NUMFRAMES; frame++) {
if (unlikely(urb->iso_frame_desc[frame].status)) {
warn("isochronous read: frame %d: %s",
frame, get_usb_statmsg(urb->iso_frame_desc[frame].status));
warn("isochronous read: frame %d: %s", frame,
get_usb_statmsg(urb->iso_frame_desc[frame].status));
break;
}
numbytes = urb->iso_frame_desc[frame].actual_length;
......@@ -1792,7 +1790,8 @@ static int start_cbsend(struct cardstate *cs)
* cs controller state structure
* buf command string to send
* len number of bytes to send (max. IF_WRITEBUF)
* wake_tasklet tasklet to run when transmission is completed (NULL if none)
* wake_tasklet tasklet to run when transmission is completed
* (NULL if none)
* return value:
* number of bytes queued on success
* error code < 0 on error
......@@ -1849,7 +1848,8 @@ static int gigaset_write_cmd(struct cardstate *cs,
/* gigaset_write_room
* tty_driver.write_room interface routine
* return number of characters the driver will accept to be written via gigaset_write_cmd
* return number of characters the driver will accept to be written via
* gigaset_write_cmd
* parameter:
* controller state structure
* return value:
......@@ -2299,7 +2299,8 @@ static int __init bas_gigaset_init(void)
goto error;
/* allocate memory for our device state and intialize it */
cardstate = gigaset_initcs(driver, 2, 0, 0, cidmode, GIGASET_MODULENAME);
cardstate = gigaset_initcs(driver, 2, 0, 0, cidmode,
GIGASET_MODULENAME);
if (!cardstate)
goto error;
......
drivers/isdn/gigaset/common.c
浏览文件 @ 917f5085
......@@ -11,10 +11,6 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: common.c,v 1.104.4.22 2006/02/04 18:28:16 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
......@@ -101,7 +97,8 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
} else {
numin = len < sizeof inbuf ? len : sizeof inbuf;
in = inbuf;
if (copy_from_user(inbuf, (const unsigned char __user *) buf, numin)) {
if (copy_from_user(inbuf, (const unsigned char __user *) buf,
numin)) {
strncpy(inbuf, "<FAULT>", sizeof inbuf);
numin = sizeof "<FAULT>" - 1;
}
......@@ -425,7 +422,8 @@ void gigaset_freecs(struct cardstate *cs)
spin_lock_irqsave(&cs->lock, flags);
atomic_set(&cs->running, 0);
spin_unlock_irqrestore(&cs->lock, flags); /* event handler and timer are not rescheduled below */
spin_unlock_irqrestore(&cs->lock, flags); /* event handler and timer are
not rescheduled below */
tasklet_kill(&cs->event_tasklet);
del_timer_sync(&cs->timer);
......@@ -563,7 +561,6 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
if (cs->ops->initbcshw(bcs))
return bcs;
//error:
dbg(DEBUG_INIT, " failed");
dbg(DEBUG_INIT, " freeing bcs[%d]->skb", channel);
......@@ -580,7 +577,8 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
* parameters:
* drv hardware driver the device belongs to
* channels number of B channels supported by device
* onechannel !=0: B channel data and AT commands share one communication channel
* onechannel !=0: B channel data and AT commands share one
* communication channel
* ==0: B channels have separate communication channels
* ignoreframes number of frames to ignore after setting up B channel
* cidmode !=0: start in CallID mode
......@@ -619,7 +617,8 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
atomic_set(&cs->ev_tail, 0);
atomic_set(&cs->ev_head, 0);
init_MUTEX_LOCKED(&cs->sem);
tasklet_init(&cs->event_tasklet, &gigaset_handle_event, (unsigned long) cs);
tasklet_init(&cs->event_tasklet, &gigaset_handle_event,
(unsigned long) cs);
atomic_set(&cs->commands_pending, 0);
cs->cur_at_seq = 0;
cs->gotfwver = -1;
......@@ -669,14 +668,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
cs->curlen = 0;
cs->cmdbytes = 0;
/*
* Tell the ISDN4Linux subsystem (the LL) that
* a driver for a USB-Device is available !
* If this is done, "isdnctrl" is able to bind a device for this driver even
* if no physical usb-device is currently connected.
* But this device will just be accessable if a physical USB device is connected
* (via "gigaset_probe") .
*/
dbg(DEBUG_INIT, "setting up iif");
if (!gigaset_register_to_LL(cs, modulename)) {
err("register_isdn=>error");
......@@ -713,7 +704,8 @@ error: if (cs)
}
EXPORT_SYMBOL_GPL(gigaset_initcs);
/* ReInitialize the b-channel structure */ /* e.g. called on hangup, disconnect */
/* ReInitialize the b-channel structure */
/* e.g. called on hangup, disconnect */
void gigaset_bcs_reinit(struct bc_state *bcs)
{
struct sk_buff *skb;
......@@ -723,7 +715,7 @@ void gigaset_bcs_reinit(struct bc_state *bcs)
while ((skb = skb_dequeue(&bcs->squeue)) != NULL)
dev_kfree_skb(skb);
spin_lock_irqsave(&cs->lock, flags); //FIXME
spin_lock_irqsave(&cs->lock, flags);
clear_at_state(&bcs->at_state);
bcs->at_state.ConState = 0;
bcs->at_state.timer_active = 0;
......@@ -805,7 +797,6 @@ int gigaset_start(struct cardstate *cs)
{
if (down_interruptible(&cs->sem))
return 0;
//info("USB device for Gigaset 307x now attached to Dev %d", ucs->minor);
atomic_set(&cs->connected, 1);
......@@ -954,7 +945,8 @@ void gigaset_debugdrivers(void)
dbg(DEBUG_DRIVER, " flags 0x%02x", drv->flags[i]);
cs = drv->cs + i;
dbg(DEBUG_DRIVER, " cardstate %p", cs);
dbg(DEBUG_DRIVER, " minor_index %u", cs->minor_index);
dbg(DEBUG_DRIVER, " minor_index %u",
cs->minor_index);
dbg(DEBUG_DRIVER, " driver %p", cs->driver);
dbg(DEBUG_DRIVER, " i4l id %d", cs->myid);
}
......@@ -1016,7 +1008,7 @@ EXPORT_SYMBOL_GPL(gigaset_freedriver);
* parameters:
* minor First minor number
* minors Number of minors this driver can handle
* procname Name of the driver (e.g. for /proc/tty/drivers, path in /proc/driver)
* procname Name of the driver
* devname Name of the device files (prefix without minor number)
* devfsname Devfs name of the device files without %d
* return value:
......
drivers/isdn/gigaset/ev-layer.c
浏览文件 @ 917f5085
......@@ -11,25 +11,21 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: ev-layer.c,v 1.4.2.18 2006/02/04 18:28:16 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
/* ========================================================== */
/* bit masks for pending commands */
#define PC_DIAL 0x001
#define PC_HUP 0x002
#define PC_INIT 0x004
#define PC_DLE0 0x008
#define PC_DLE1 0x010
#define PC_SHUTDOWN 0x020
#define PC_ACCEPT 0x040
#define PC_CID 0x080
#define PC_NOCID 0x100
#define PC_HUP 0x002
#define PC_DIAL 0x001
#define PC_ACCEPT 0x040
#define PC_SHUTDOWN 0x020
#define PC_CIDMODE 0x200
#define PC_UMMODE 0x400
......@@ -393,7 +389,7 @@ struct reply_t gigaset_tab_cid_m10x[] = /* for M10x */
#if 0
static struct reply_t tab_nocid[]= /* no dle mode */ //FIXME aenderungen uebernehmen
static struct reply_t tab_nocid[]= /* no dle mode */ //FIXME
{
/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
......@@ -401,7 +397,7 @@ static struct reply_t tab_nocid[]= /* no dle mode */ //FIXME aenderungen ueberne
{RSP_LAST,0,0,0,0,0,0}
};
static struct reply_t tab_cid[] = /* no dle mode */ //FIXME aenderungen uebernehmen
static struct reply_t tab_cid[] = /* no dle mode */ //FIXME
{
/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
......@@ -837,7 +833,8 @@ static void schedule_init(struct cardstate *cs, int state)
dbg(DEBUG_CMD, "Scheduling PC_INIT");
}
/* Add "AT" to a command, add the cid, dle encode it, send the result to the hardware. */
/* Add "AT" to a command, add the cid, dle encode it, send the result to the
hardware. */
static void send_command(struct cardstate *cs, const char *cmd, int cid,
int dle, gfp_t kmallocflags)
{
......@@ -966,19 +963,13 @@ static void start_dial(struct at_state_t *at_state, void *data, int seq_index)
at_state->pending_commands |= PC_CID;
dbg(DEBUG_CMD, "Scheduling PC_CID");
//#ifdef GIG_MAYINITONDIAL
// if (atomic_read(&cs->MState) == MS_UNKNOWN) {
// cs->at_state.pending_commands |= PC_INIT;
// dbg(DEBUG_CMD, "Scheduling PC_INIT");
// }
//#endif
atomic_set(&cs->commands_pending, 1); //FIXME
atomic_set(&cs->commands_pending, 1);
return;
error:
at_state->pending_commands |= PC_NOCID;
dbg(DEBUG_CMD, "Scheduling PC_NOCID");
atomic_set(&cs->commands_pending, 1); //FIXME
atomic_set(&cs->commands_pending, 1);
return;
}
......@@ -992,12 +983,12 @@ static void start_accept(struct at_state_t *at_state)
if (retval == 0) {
at_state->pending_commands |= PC_ACCEPT;
dbg(DEBUG_CMD, "Scheduling PC_ACCEPT");
atomic_set(&cs->commands_pending, 1); //FIXME
atomic_set(&cs->commands_pending, 1);
} else {
//FIXME
at_state->pending_commands |= PC_HUP;
dbg(DEBUG_CMD, "Scheduling PC_HUP");
atomic_set(&cs->commands_pending, 1); //FIXME
atomic_set(&cs->commands_pending, 1);
}
}
......@@ -1037,9 +1028,8 @@ static void do_shutdown(struct cardstate *cs)
if (atomic_read(&cs->mstate) == MS_READY) {
atomic_set(&cs->mstate, MS_SHUTDOWN);
cs->at_state.pending_commands |= PC_SHUTDOWN;
atomic_set(&cs->commands_pending, 1); //FIXME
dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN"); //FIXME
//gigaset_schedule_event(cs); //FIXME
atomic_set(&cs->commands_pending, 1);
dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN");
} else
finish_shutdown(cs);
}
......@@ -1160,7 +1150,6 @@ static int do_lock(struct cardstate *cs)
mode = atomic_read(&cs->mode);
atomic_set(&cs->mstate, MS_LOCKED);
atomic_set(&cs->mode, M_UNKNOWN);
//FIXME reset card state / at states / bcs states
return mode;
}
......@@ -1173,7 +1162,6 @@ static int do_unlock(struct cardstate *cs)
atomic_set(&cs->mstate, MS_UNINITIALIZED);
atomic_set(&cs->mode, M_UNKNOWN);
gigaset_free_channels(cs);
//FIXME reset card state / at states / bcs states
if (atomic_read(&cs->connected))
schedule_init(cs, MS_INIT);
......@@ -1203,7 +1191,6 @@ static void do_action(int action, struct cardstate *cs,
at_state->waiting = 1;
break;
case ACT_INIT:
//FIXME setup everything
cs->at_state.pending_commands &= ~PC_INIT;
cs->cur_at_seq = SEQ_NONE;
atomic_set(&cs->mode, M_UNIMODEM);
......@@ -1213,7 +1200,7 @@ static void do_action(int action, struct cardstate *cs,
break;
}
cs->at_state.pending_commands |= PC_CIDMODE;
atomic_set(&cs->commands_pending, 1); //FIXME
atomic_set(&cs->commands_pending, 1);
dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
break;
case ACT_FAILINIT:
......@@ -1428,7 +1415,8 @@ static void do_action(int action, struct cardstate *cs,
at_state->pending_commands |= PC_HUP;
atomic_set(&cs->commands_pending, 1);
break;
case ACT_GETSTRING: /* warning: RING, ZDLE, ... are not handled properly any more */
case ACT_GETSTRING: /* warning: RING, ZDLE, ...
are not handled properly any more */
at_state->getstring = 1;
break;
case ACT_SETVER:
......@@ -1522,7 +1510,7 @@ static void do_action(int action, struct cardstate *cs,
break;
case ACT_HUP:
at_state->pending_commands |= PC_HUP;
atomic_set(&cs->commands_pending, 1); //FIXME
atomic_set(&cs->commands_pending, 1);
dbg(DEBUG_CMD, "Scheduling PC_HUP");
break;
......@@ -1649,7 +1637,8 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
dbg(DEBUG_ANY, "stopped waiting");
}
/* if the response belongs to a variable in at_state->int_var[VAR_XXXX] or at_state->str_var[STR_XXXX], set it */
/* if the response belongs to a variable in at_state->int_var[VAR_XXXX]
or at_state->str_var[STR_XXXX], set it */
if (ev->type >= RSP_VAR && ev->type < RSP_VAR + VAR_NUM) {
index = ev->type - RSP_VAR;
at_state->int_var[index] = ev->parameter;
......@@ -1657,13 +1646,15 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
index = ev->type - RSP_STR;
kfree(at_state->str_var[index]);
at_state->str_var[index] = ev->ptr;
ev->ptr = NULL; /* prevent process_events() from deallocating ptr */
ev->ptr = NULL; /* prevent process_events() from
deallocating ptr */
}
if (ev->type == EV_TIMEOUT || ev->type == RSP_STRING)
at_state->getstring = 0;
/* Search row in dial array which matches modem response and current constate */
/* Search row in dial array which matches modem response and current
constate */
for (;; rep++) {
rcode = rep->resp_code;
/* dbg (DEBUG_ANY, "rcode %d", rcode); */
......@@ -1865,11 +1856,7 @@ static void process_command_flags(struct cardstate *cs)
if (cs->at_state.pending_commands & PC_CIDMODE) {
cs->at_state.pending_commands &= ~PC_CIDMODE;
if (atomic_read(&cs->mode) == M_UNIMODEM) {
#if 0
cs->retry_count = 2;
#else
cs->retry_count = 1;
#endif
schedule_sequence(cs, &cs->at_state, SEQ_CIDMODE);
return;
}
......
drivers/isdn/gigaset/gigaset.h
浏览文件 @ 917f5085
/* Siemens Gigaset 307x driver
/*
* Siemens Gigaset 307x driver
* Common header file for all connection variants
*
* Written by Stefan Eilers <Eilers.Stefan@epost.de>
* and Hansjoerg Lipp <hjlipp@web.de>
*
* Version: $Id: gigaset.h,v 1.97.4.26 2006/02/04 18:28:16 hjlipp Exp $
* ===========================================================================
* =====================================================================
* 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.
* =====================================================================
*/
#ifndef GIGASET_H
......@@ -15,7 +20,6 @@
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/atomic.h>
#include <linux/spinlock.h>
#include <linux/isdnif.h>
#include <linux/usb.h>
......@@ -27,6 +31,7 @@
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/list.h>
#include <asm/atomic.h>
#define GIG_VERSION {0,5,0,0}
#define GIG_COMPAT {0,4,0,0}
......@@ -40,8 +45,8 @@
#define RBUFSIZE 8192
#define SBUFSIZE 4096 /* sk_buff payload size */
#define MAX_BUF_SIZE (SBUFSIZE - 2) /* Max. size of a data packet from LL */
#define TRANSBUFSIZE 768 /* bytes per skb for transparent receive */
#define MAX_BUF_SIZE (SBUFSIZE - 2) /* Max. size of a data packet from LL */
/* compile time options */
#define GIG_MAJOR 0
......@@ -67,68 +72,108 @@
#define MAXACT 3
#define IFNULL(a) if (unlikely(!(a)))
#define IFNULLRET(a) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); return; }
#define IFNULLRETVAL(a,b) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); return (b); }
#define IFNULLCONT(a) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); continue; }
#define IFNULLGOTO(a,b) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); goto b; }
#define IFNULL(a) \
if (unlikely(!(a)))
#define IFNULLRET(a) \
if (unlikely(!(a))) { \
err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
return; \
}
#define IFNULLRETVAL(a,b) \
if (unlikely(!(a))) { \
err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
return (b); \
}
#define IFNULLCONT(a) \
if (unlikely(!(a))) { \
err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
continue; \
}
#define IFNULLGOTO(a,b) \
if (unlikely(!(a))) { \
err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \
goto b; \
}
extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */
/* any combination of these can be given with the 'debug=' parameter to insmod, e.g.
* 'insmod usb_gigaset.o debug=0x2c' will set DEBUG_OPEN, DEBUG_CMD and DEBUG_INTR. */
/* any combination of these can be given with the 'debug=' parameter to insmod,
* e.g. 'insmod usb_gigaset.o debug=0x2c' will set DEBUG_OPEN, DEBUG_CMD and
* DEBUG_INTR.
*/
enum debuglevel { /* up to 24 bits (atomic_t) */
DEBUG_REG = 0x0002, /* serial port I/O register operations */
DEBUG_REG = 0x0002,/* serial port I/O register operations */
DEBUG_OPEN = 0x0004, /* open/close serial port */
DEBUG_INTR = 0x0008, /* interrupt processing */
DEBUG_INTR_DUMP = 0x0010, /* Activating hexdump debug output on interrupt
requests, not available as run-time option */
DEBUG_INTR_DUMP = 0x0010, /* Activating hexdump debug output on
interrupt requests, not available as
run-time option */
DEBUG_CMD = 0x00020, /* sent/received LL commands */
DEBUG_STREAM = 0x00040, /* application data stream I/O events */
DEBUG_STREAM_DUMP = 0x00080, /* application data stream content */
DEBUG_LLDATA = 0x00100, /* sent/received LL data */
DEBUG_INTR_0 = 0x00200, /* serial port output interrupt processing */
DEBUG_INTR_0 = 0x00200, /* serial port interrupt processing */
DEBUG_DRIVER = 0x00400, /* driver structure */
DEBUG_HDLC = 0x00800, /* M10x HDLC processing */
DEBUG_WRITE = 0x01000, /* M105 data write */
DEBUG_TRANSCMD = 0x02000, /*AT-COMMANDS+RESPONSES*/
DEBUG_MCMD = 0x04000, /*COMMANDS THAT ARE SENT VERY OFTEN*/
DEBUG_INIT = 0x08000, /* (de)allocation+initialization of data structures */
DEBUG_TRANSCMD = 0x02000, /* AT-COMMANDS+RESPONSES */
DEBUG_MCMD = 0x04000, /* COMMANDS THAT ARE SENT VERY OFTEN */
DEBUG_INIT = 0x08000, /* (de)allocation+initialization of data
structures */
DEBUG_LOCK = 0x10000, /* semaphore operations */
DEBUG_OUTPUT = 0x20000, /* output to device */
DEBUG_ISO = 0x40000, /* isochronous transfers */
DEBUG_IF = 0x80000, /* character device operations */
DEBUG_USBREQ = 0x100000, /* USB communication (except payload data) */
DEBUG_LOCKCMD = 0x200000, /* AT commands and responses when MS_LOCKED */
DEBUG_USBREQ = 0x100000, /* USB communication (except payload
data) */
DEBUG_LOCKCMD = 0x200000, /* AT commands and responses when
MS_LOCKED */
DEBUG_ANY = 0x3fffff, /* print message if any of the others is activated */
DEBUG_ANY = 0x3fffff, /* print message if any of the others is
activated */
};
#ifdef CONFIG_GIGASET_DEBUG
#define DEBUG_DEFAULT (DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
//#define DEBUG_DEFAULT (DEBUG_LOCK | DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUF_IF | DEBUG_DRIVER | DEBUG_OUTPUT | DEBUG_INTR)
#else
#define DEBUG_DEFAULT 0
#endif
/* redefine syslog macros to prepend module name instead of entire source path */
/* The space before the comma in ", ##" is needed by gcc 2.95 */
/* redefine syslog macros to prepend module name instead of entire
* source path */
#undef info
#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#define info(format, arg...) \
printk(KERN_INFO "%s: " format "\n", \
THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#undef notice
#define notice(format, arg...) printk(KERN_NOTICE "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#define notice(format, arg...) \
printk(KERN_NOTICE "%s: " format "\n", \
THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#undef warn
#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#define warn(format, arg...) \
printk(KERN_WARNING "%s: " format "\n", \
THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#undef err
#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#define err(format, arg...) \
printk(KERN_ERR "%s: " format "\n", \
THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg)
#undef dbg
#ifdef CONFIG_GIGASET_DEBUG
#define dbg(level, format, arg...) do { if (unlikely(((enum debuglevel)gigaset_debuglevel) & (level))) \
printk(KERN_DEBUG "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg); } while (0)
#define dbg(level, format, arg...) \
do { \
if (unlikely(((enum debuglevel)gigaset_debuglevel) & (level))) \
printk(KERN_DEBUG "%s: " format "\n", \
THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" \
, ## arg); \
} while (0)
#else
#define dbg(level, format, arg...) do {} while (0)
#endif
......@@ -154,7 +199,8 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
/* int-in-events 3070 */
#define HD_B1_FLOW_CONTROL 0x80
#define HD_B2_FLOW_CONTROL 0x81
#define HD_RECEIVEATDATA_ACK (0x35) // 3070 // att: HD_RECEIVE>>AT<<DATA_ACK
#define HD_RECEIVEATDATA_ACK (0x35) // 3070
// att: HD_RECEIVE>>AT<<DATA_ACK
#define HD_READY_SEND_ATDATA (0x36) // 3070
#define HD_OPEN_ATCHANNEL_ACK (0x37) // 3070
#define HD_CLOSE_ATCHANNEL_ACK (0x38) // 3070
......@@ -189,9 +235,10 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
#define BAS_LOWFRAME 5 /* " " with negative flow control */
#define BAS_CORRFRAMES 4 /* flow control multiplicator */
#define BAS_INBUFSIZE (BAS_MAXFRAME * BAS_NUMFRAMES) /* size of isochronous input buffer per URB */
#define BAS_OUTBUFSIZE 4096 /* size of common isochronous output buffer */
#define BAS_OUTBUFPAD BAS_MAXFRAME /* size of pad area for isochronous output buffer */
#define BAS_INBUFSIZE (BAS_MAXFRAME * BAS_NUMFRAMES)
/* size of isoc in buf per URB */
#define BAS_OUTBUFSIZE 4096 /* size of common isoc out buffer */
#define BAS_OUTBUFPAD BAS_MAXFRAME /* size of pad area for isoc out buf */
#define BAS_INURBS 3
#define BAS_OUTURBS 3
......@@ -301,7 +348,6 @@ struct inbuf_t {
struct bc_state *bcs;
struct cardstate *cs;
int inputstate;
atomic_t head, tail;
unsigned char data[RBUFSIZE];
};
......@@ -319,16 +365,19 @@ struct inbuf_t {
* if writesem <= 0, data[write..read-1] is currently being written to
* - idle contains the byte value to repeat when the end of valid data is
* reached; if nextread==write (buffer contains no data to send), either the
* BAS_OUTBUFPAD bytes immediately before data[write] (if write>=BAS_OUTBUFPAD)
* or those of the pad area (if write<BAS_OUTBUFPAD) are also filled with that
* value
* - optionally, the following statistics on the buffer's usage can be collected:
* BAS_OUTBUFPAD bytes immediately before data[write] (if
* write>=BAS_OUTBUFPAD) or those of the pad area (if write<BAS_OUTBUFPAD)
* are also filled with that value
* - optionally, the following statistics on the buffer's usage can be
* collected:
* maxfill: maximum number of bytes occupied
* idlefills: number of times a frame of idle bytes is prepared
* emptygets: number of times the buffer was empty when a data frame was requested
* emptygets: number of times the buffer was empty when a data frame was
* requested
* backtoback: number of times two data packets were entered into the buffer
* without intervening idle flags
* nakedback: set if no idle flags have been inserted since the last data packet
* nakedback: set if no idle flags have been inserted since the last data
* packet
*/
struct isowbuf_t {
atomic_t read;
......@@ -382,12 +431,6 @@ struct resp_type_t {
int type; /* RT_XXXX */
};
struct prot_skb {
atomic_t empty;
struct semaphore *sem;
struct sk_buff *skb;
};
struct event_t {
int type;
void *ptr, *arg;
......@@ -430,9 +473,9 @@ struct bc_state {
/* hardware drivers */
union {
struct ser_bc_state *ser; /* private data of serial hardware driver */
struct usb_bc_state *usb; /* private data of usb hardware driver */
struct bas_bc_state *bas;
struct ser_bc_state *ser; /* serial hardware driver */
struct usb_bc_state *usb; /* usb hardware driver (m105) */
struct bas_bc_state *bas; /* usb hardware driver (base) */
} hw;
};
......@@ -443,7 +486,6 @@ struct cardstate {
const struct gigaset_ops *ops;
/* Stuff to handle communication */
//wait_queue_head_t initwait;
wait_queue_head_t waitqueue;
int waiting;
atomic_t mode; /* see M_XXXX */
......@@ -454,11 +496,13 @@ struct cardstate {
int channels;
struct bc_state *bcs; /* Array of struct bc_state */
int onechannel; /* data and commands transmitted in one stream (M10x) */
int onechannel; /* data and commands transmitted in one
stream (M10x) */
spinlock_t lock;
struct at_state_t at_state; /* at_state_t for cid == 0 */
struct list_head temp_at_states; /* list of temporary "struct at_state_t"s without B channel */
struct list_head temp_at_states;/* list of temporary "struct
at_state_t"s without B channel */
struct inbuf_t *inbuf;
......@@ -485,24 +529,35 @@ struct cardstate {
struct reply_t *tabnocid;
struct reply_t *tabcid;
int cs_init;
int ignoreframes; /* frames to ignore after setting up the B channel */
int ignoreframes; /* frames to ignore after setting up the
B channel */
struct semaphore sem; /* locks this structure: */
/* connected is not changed, */
/* hardware_up is not changed, */
/* MState is not changed to or from MS_LOCKED */
/* MState is not changed to or from
MS_LOCKED */
struct timer_list timer;
int retry_count;
int dle; /* !=0 if modem commands/responses are dle encoded */
int cur_at_seq; /* sequence of AT commands being processed */
int curchannel; /* channel, those commands are meant for */
atomic_t commands_pending; /* flag(s) in xxx.commands_pending have been set */
struct tasklet_struct event_tasklet; /* tasklet for serializing AT commands. Scheduled
* -> for modem reponses (and incomming data for M10x)
int dle; /* !=0 if modem commands/responses are
dle encoded */
int cur_at_seq; /* sequence of AT commands being
processed */
int curchannel; /* channel, those commands are meant
for */
atomic_t commands_pending; /* flag(s) in xxx.commands_pending have
been set */
struct tasklet_struct event_tasklet;
/* tasklet for serializing AT commands.
* Scheduled
* -> for modem reponses (and
* incomming data for M10x)
* -> on timeout
* -> after setting bits in xxx.at_state.pending_command
* -> after setting bits in
* xxx.at_state.pending_command
* (e.g. command from LL) */
struct tasklet_struct write_tasklet; /* tasklet for serial output
struct tasklet_struct write_tasklet;
/* tasklet for serial output
* (not used in base driver) */
/* event queue */
......@@ -516,16 +571,15 @@ struct cardstate {
/* hardware drivers */
union {
struct usb_cardstate *usb; /* private data of USB hardware driver */
struct ser_cardstate *ser; /* private data of serial hardware driver */
struct bas_cardstate *bas; /* private data of base hardware driver */
struct usb_cardstate *usb; /* USB hardware driver (m105) */
struct ser_cardstate *ser; /* serial hardware driver */
struct bas_cardstate *bas; /* USB hardware driver (base) */
} hw;
};
struct gigaset_driver {
struct list_head list;
spinlock_t lock; /* locks minor tables and blocked */
//struct semaphore sem; /* locks this structure */
struct tty_driver *tty;
unsigned have_tty;
unsigned minor;
......@@ -553,7 +607,8 @@ struct bas_bc_state {
struct isow_urbctx_t isoouturbs[BAS_OUTURBS];
struct isow_urbctx_t *isooutdone, *isooutfree, *isooutovfl;
struct isowbuf_t *isooutbuf;
unsigned numsub; /* submitted URB counter (for diagnostic messages only) */
unsigned numsub; /* submitted URB counter (for
diagnostic messages only) */
struct tasklet_struct sent_tasklet;
/* isochronous input state */
......@@ -563,24 +618,31 @@ struct bas_bc_state {
struct urb *isoindone; /* completed isoc read URB */
int loststatus; /* status of dropped URB */
unsigned isoinlost; /* number of bytes lost */
/* state of bit unstuffing algorithm (in addition to BC_state.inputstate) */
unsigned seqlen; /* number of '1' bits not yet unstuffed */
unsigned inbyte, inbits; /* collected bits for next byte */
/* state of bit unstuffing algorithm (in addition to
BC_state.inputstate) */
unsigned seqlen; /* number of '1' bits not yet
unstuffed */
unsigned inbyte, inbits; /* collected bits for next byte
*/
/* statistics */
unsigned goodbytes; /* bytes correctly received */
unsigned alignerrs; /* frames with incomplete byte at end */
unsigned alignerrs; /* frames with incomplete byte
at end */
unsigned fcserrs; /* FCS errors */
unsigned frameerrs; /* framing errors */
unsigned giants; /* long frames */
unsigned runts; /* short frames */
unsigned aborts; /* HDLC aborts */
unsigned shared0s; /* '0' bits shared between flags */
unsigned stolen0s; /* '0' stuff bits also serving as leading flag bits */
unsigned shared0s; /* '0' bits shared between flags
*/
unsigned stolen0s; /* '0' stuff bits also serving
as leading flag bits */
struct tasklet_struct rcvd_tasklet;
};
struct gigaset_ops {
/* Called from ev-layer.c/interface.c for sending AT commands to the device */
/* Called from ev-layer.c/interface.c for sending AT commands to the
device */
int (*write_cmd)(struct cardstate *cs,
const unsigned char *buf, int len,
struct tasklet_struct *wake_tasklet);
......@@ -604,7 +666,8 @@ struct gigaset_ops {
/* Called by gigaset_freecs() for freeing bcs->hw.xxx */
int (*freebcshw)(struct bc_state *bcs);
/* Called by gigaset_stop() or gigaset_bchannel_down() for resetting bcs->hw.xxx */
/* Called by gigaset_stop() or gigaset_bchannel_down() for resetting
bcs->hw.xxx */
void (*reinitbcshw)(struct bc_state *bcs);
/* Called by gigaset_initcs() for setting up cs->hw.xxx */
......@@ -613,13 +676,10 @@ struct gigaset_ops {
/* Called by gigaset_freecs() for freeing cs->hw.xxx */
void (*freecshw)(struct cardstate *cs);
///* Called by gigaset_stop() for killing URBs, shutting down the device, ...
// hardwareup: ==0: don't try to shut down the device, hardware is really not accessible
// !=0: hardware still up */
//void (*stophw)(struct cardstate *cs, int hardwareup);
/* Called from common.c/interface.c for additional serial port control */
int (*set_modem_ctrl)(struct cardstate *cs, unsigned old_state, unsigned new_state);
/* Called from common.c/interface.c for additional serial port
control */
int (*set_modem_ctrl)(struct cardstate *cs, unsigned old_state,
unsigned new_state);
int (*baud_rate)(struct cardstate *cs, unsigned cflag);
int (*set_line_ctrl)(struct cardstate *cs, unsigned cflag);
......@@ -667,7 +727,8 @@ void gigaset_isoc_input(struct inbuf_t *inbuf);
/* Called from bas-gigaset.c to process a block of data
* received through the isochronous channel */
void gigaset_isoc_receive(unsigned char *src, unsigned count, struct bc_state *bcs);
void gigaset_isoc_receive(unsigned char *src, unsigned count,
struct bc_state *bcs);
/* Called from bas-gigaset.c to put a block of data
* into the isochronous output buffer */
......@@ -763,7 +824,8 @@ struct cardstate *gigaset_getunassignedcs(struct gigaset_driver *drv);
void gigaset_unassign(struct cardstate *cs);
void gigaset_blockdriver(struct gigaset_driver *drv);
/* Allocate and initialize card state. Calls hardware dependent gigaset_init[b]cs(). */
/* Allocate and initialize card state. Calls hardware dependent
gigaset_init[b]cs(). */
struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
int onechannel, int ignoreframes,
int cidmode, const char *modulename);
......
drivers/isdn/gigaset/i4l.c
浏览文件 @ 917f5085
......@@ -11,10 +11,6 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: i4l.c,v 1.3.2.9 2006/02/04 18:28:16 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
......@@ -29,7 +25,8 @@
* parameters:
* driverID driver ID as assigned by LL
* channel channel number
* ack if != 0 LL wants to be notified on completion via statcallb(ISDN_STAT_BSENT)
* ack if != 0 LL wants to be notified on completion via
* statcallb(ISDN_STAT_BSENT)
* skb skb containing data to send
* return value:
* number of accepted bytes
......@@ -123,9 +120,6 @@ static int command_from_LL(isdn_ctrl *cntrl)
//dbg(DEBUG_ANY, "Gigaset_HW: Receiving command");
gigaset_debugdrivers();
/* Terminate this call if no device is present. Bt if the command is "ISDN_CMD_LOCK" or
* "ISDN_CMD_UNLOCK" then execute it due to the fact that they are device independent !
*/
//FIXME "remove test for &connected"
if ((!cs || !atomic_read(&cs->connected))) {
warn("LL tried to access unknown device with nr. %d",
......@@ -396,10 +390,14 @@ int gigaset_isdn_setup_dial(struct at_state_t *at_state, void *data)
}
if (bcs->commands[AT_MSN])
snprintf(bcs->commands[AT_MSN], length[AT_MSN], "^SMSN=%s\r", sp->eazmsn);
snprintf(bcs->commands[AT_BC ], length[AT_BC ], "^SBC=%s\r", bc);
snprintf(bcs->commands[AT_PROTO], length[AT_PROTO], "^SBPR=%u\r", proto);
snprintf(bcs->commands[AT_ISO ], length[AT_ISO ], "^SISO=%u\r", (unsigned)bcs->channel + 1);
snprintf(bcs->commands[AT_MSN], length[AT_MSN],
"^SMSN=%s\r", sp->eazmsn);
snprintf(bcs->commands[AT_BC ], length[AT_BC ],
"^SBC=%s\r", bc);
snprintf(bcs->commands[AT_PROTO], length[AT_PROTO],
"^SBPR=%u\r", proto);
snprintf(bcs->commands[AT_ISO ], length[AT_ISO ],
"^SISO=%u\r", (unsigned)bcs->channel + 1);
return 0;
}
......@@ -441,8 +439,10 @@ int gigaset_isdn_setup_accept(struct at_state_t *at_state)
}
}
snprintf(bcs->commands[AT_PROTO], length[AT_PROTO], "^SBPR=%u\r", proto);
snprintf(bcs->commands[AT_ISO ], length[AT_ISO ], "^SISO=%u\r", (unsigned) bcs->channel + 1);
snprintf(bcs->commands[AT_PROTO], length[AT_PROTO],
"^SBPR=%u\r", proto);
snprintf(bcs->commands[AT_ISO ], length[AT_ISO ],
"^SISO=%u\r", (unsigned) bcs->channel + 1);
return 0;
}
......@@ -542,9 +542,9 @@ int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid)
return -ENOMEM; //FIXME EINVAL/...??
iif->owner = THIS_MODULE;
iif->channels = cs->channels; /* I am supporting just one channel *//* I was supporting...*/
iif->channels = cs->channels;
iif->maxbufsize = MAX_BUF_SIZE;
iif->features = ISDN_FEATURE_L2_TRANS | /* Our device is very advanced, therefore */
iif->features = ISDN_FEATURE_L2_TRANS |
ISDN_FEATURE_L2_HDLC |
#ifdef GIG_X75
ISDN_FEATURE_L2_X75I |
......
drivers/isdn/gigaset/interface.c
浏览文件 @ 917f5085
......@@ -9,8 +9,6 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* Version: $Id: interface.c,v 1.14.4.15 2006/02/04 18:28:16 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
......@@ -173,7 +171,6 @@ static int if_open(struct tty_struct *tty, struct file *filp)
cs->tty = tty;
spin_unlock_irqrestore(&cs->lock, flags);
tty->low_latency = 1; //FIXME test
//FIXME
}
up(&cs->sem);
......@@ -202,7 +199,6 @@ static void if_close(struct tty_struct *tty, struct file *filp)
spin_lock_irqsave(&cs->lock, flags);
cs->tty = NULL;
spin_unlock_irqrestore(&cs->lock, flags);
//FIXME
}
}
......@@ -253,7 +249,8 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
gigaset_dbg_buffer(DEBUG_IF, "GIGASET_BRKCHARS",
6, (const unsigned char *) arg, 1);
if (!atomic_read(&cs->connected)) {
dbg(DEBUG_ANY, "can't communicate with unplugged device");
dbg(DEBUG_ANY,
"can't communicate with unplugged device");
retval = -ENODEV;
break;
}
......@@ -264,13 +261,14 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
retval = cs->ops->brkchars(cs, buf);
break;
case GIGASET_VERSION:
retval = copy_from_user(version, (unsigned __user *) arg,
retval = copy_from_user(version,
(unsigned __user *) arg,
sizeof version) ? -EFAULT : 0;
if (retval >= 0)
retval = if_version(cs, version);
if (retval >= 0)
retval = copy_to_user((unsigned __user *) arg, version,
sizeof version)
retval = copy_to_user((unsigned __user *) arg,
version, sizeof version)
? -EFAULT : 0;
break;
default:
......@@ -575,7 +573,7 @@ static void if_set_termios(struct tty_struct *tty, struct termios *old)
new_state &= ~(TIOCM_DTR | TIOCM_RTS);
if (new_state != control_state) {
dbg(DEBUG_IF, "%u: new_state %x", cs->minor_index, new_state);
gigaset_set_modem_ctrl(cs, control_state, new_state); // FIXME: mct_u232.c sets the old state here. is this a bug?
gigaset_set_modem_ctrl(cs, control_state, new_state);
control_state = new_state;
}
#endif
......
drivers/isdn/gigaset/isocdata.c
浏览文件 @ 917f5085
......@@ -10,10 +10,6 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: isocdata.c,v 1.2.2.5 2005/11/13 23:05:19 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
......@@ -196,7 +192,8 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
return -EBUSY;
/* write position could have changed */
if (limit >= (write = atomic_read(&iwb->write))) {
pbyte = iwb->data[write]; /* save partial byte */
pbyte = iwb->data[write]; /* save
partial byte */
limit = write + BAS_OUTBUFPAD;
dbg(DEBUG_STREAM,
"%s: filling %d->%d with %02x",
......@@ -213,7 +210,8 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
}
dbg(DEBUG_STREAM, "%s: restoring %02x at %d",
__func__, pbyte, limit);
iwb->data[limit] = pbyte; /* restore partial byte */
iwb->data[limit] = pbyte; /* restore
partial byte */
atomic_set(&iwb->write, limit);
}
isowbuf_donewrite(iwb);
......@@ -508,11 +506,13 @@ int gigaset_isoc_buildframe(struct bc_state *bcs, unsigned char *in, int len)
switch (bcs->proto2) {
case ISDN_PROTO_L2_HDLC:
result = hdlc_buildframe(bcs->hw.bas->isooutbuf, in, len);
dbg(DEBUG_ISO, "%s: %d bytes HDLC -> %d", __func__, len, result);
dbg(DEBUG_ISO, "%s: %d bytes HDLC -> %d",
__func__, len, result);
break;
default: /* assume transparent */
result = trans_buildframe(bcs->hw.bas->isooutbuf, in, len);
dbg(DEBUG_ISO, "%s: %d bytes trans -> %d", __func__, len, result);
dbg(DEBUG_ISO, "%s: %d bytes trans -> %d",
__func__, len, result);
}
return result;
}
......
drivers/isdn/gigaset/proc.c
浏览文件 @ 917f5085
......@@ -11,23 +11,21 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: proc.c,v 1.5.2.13 2006/02/04 18:28:16 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
#include <linux/ctype.h>
static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct usb_interface *intf = to_usb_interface(dev);
struct cardstate *cs = usb_get_intfdata(intf);
return sprintf(buf, "%d\n", atomic_read(&cs->cidmode)); // FIXME use scnprintf for 13607 bit architectures (if PAGE_SIZE==4096)
return sprintf(buf, "%d\n", atomic_read(&cs->cidmode));
}
static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_interface *intf = to_usb_interface(dev);
struct cardstate *cs = usb_get_intfdata(intf);
......
drivers/isdn/gigaset/usb-gigaset.c
浏览文件 @ 917f5085
......@@ -13,10 +13,6 @@
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
* ToDo: ...
* =====================================================================
* Version: $Id: usb-gigaset.c,v 1.85.4.18 2006/02/04 18:28:16 hjlipp Exp $
* =====================================================================
*/
#include "gigaset.h"
......@@ -62,10 +58,6 @@ static struct usb_device_id gigaset_table [] = {
MODULE_DEVICE_TABLE(usb, gigaset_table);
/* Get a minor range for your devices from the usb maintainer */
#define USB_SKEL_MINOR_BASE 200
/*
* Control requests (empty fields: 00)
*
......@@ -129,22 +121,22 @@ static struct usb_driver gigaset_usb_driver = {
};
struct usb_cardstate {
struct usb_device *udev; /* save off the usb device pointer */
struct usb_interface *interface; /* the interface for this device */
struct usb_device *udev; /* usb device pointer */
struct usb_interface *interface; /* interface for this device */
atomic_t busy; /* bulk output in progress */
/* Output buffer for commands (M105: and data)*/
unsigned char *bulk_out_buffer; /* the buffer to send data */
int bulk_out_size; /* the size of the send buffer */
__u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */
struct urb *bulk_out_urb; /* the urb used to transmit data */
/* Output buffer */
unsigned char *bulk_out_buffer; /* send buffer */
int bulk_out_size; /* send buffer size */
__u8 bulk_out_endpointAddr; /* bulk out endpoint */
struct urb *bulk_out_urb; /* bulk out urb */
/* Input buffer for command responses (M105: and data)*/
int rcvbuf_size; /* the size of the receive buffer */
struct urb *read_urb; /* the urb used to receive data */
__u8 int_in_endpointAddr; /* the address of the bulk in endpoint */
/* Input buffer */
int rcvbuf_size; /* rcv buffer */
struct urb *read_urb; /* rcv buffer size */
__u8 int_in_endpointAddr; /* int in endpoint */
char bchars[6]; /* req. 0x19 */
char bchars[6]; /* request 0x19 */
};
struct usb_bc_state {};
......@@ -166,10 +158,11 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
val = tiocm_to_gigaset(new_state);
dbg(DEBUG_USBREQ, "set flags 0x%02x with mask 0x%02x", val, mask);
// don't use this in an interrupt/BH
r = usb_control_msg(cs->hw.usb->udev,
usb_sndctrlpipe(cs->hw.usb->udev, 0), 7, 0x41,
(val & 0xff) | ((mask & 0xff) << 8), 0,
NULL, 0, 2000 /*timeout??*/); // don't use this in an interrupt/BH
NULL, 0, 2000 /* timeout? */);
if (r < 0)
return r;
//..
......@@ -309,15 +302,12 @@ static int gigaset_close_bchannel(struct bc_state *bcs)
return 0;
}
//void send_ack_to_LL(void *data);
static int write_modem(struct cardstate *cs);
static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb);
/* Handling of send queue. If there is already a skb opened, put data to
* the transfer buffer by calling "write_modem". Otherwise take a new skb out of the queue.
* This function will be called by the ISR via "transmit_chars" (USB: B-Channel Bulk callback handler
* via immediate task queue) or by writebuf_from_LL if the LL wants to transmit data.
/* Write tasklet handler: Continue sending current skb, or send command, or
* start sending an skb from the send queue.
*/
static void gigaset_modem_fill(unsigned long data)
{
......@@ -345,7 +335,8 @@ static void gigaset_modem_fill(unsigned long data)
if (send_cb(cs, cb) < 0) {
dbg(DEBUG_OUTPUT,
"modem_fill: send_cb failed");
again = 1; /* no callback will be called! */
again = 1; /* no callback will be
called! */
}
} else { /* skbs to send? */
bcs->tx_skb = skb_dequeue(&bcs->squeue);
......@@ -371,8 +362,7 @@ static void gigaset_modem_fill(unsigned long data)
/**
* gigaset_read_int_callback
*
* It is called if the data was received from the device. This is almost similiar to
* the interrupt service routine in the serial device.
* It is called if the data was received from the device.
*/
static void gigaset_read_int_callback(struct urb *urb, struct pt_regs *regs)
{
......@@ -381,13 +371,11 @@ static void gigaset_read_int_callback(struct urb *urb, struct pt_regs *regs)
struct cardstate *cs;
unsigned numbytes;
unsigned char *src;
//unsigned long flags;
struct inbuf_t *inbuf;
IFNULLRET(urb);
inbuf = (struct inbuf_t *) urb->context;
IFNULLRET(inbuf);
//spin_lock_irqsave(&inbuf->lock, flags);
cs = inbuf->cs;
IFNULLGOTO(cs, exit);
IFNULLGOTO(cardstate, exit);
......@@ -422,7 +410,6 @@ static void gigaset_read_int_callback(struct urb *urb, struct pt_regs *regs)
resubmit = 1;
}
exit:
//spin_unlock_irqrestore(&inbuf->lock, flags);
if (resubmit) {
r = usb_submit_urb(urb, SLAB_ATOMIC);
if (r)
......@@ -431,11 +418,7 @@ static void gigaset_read_int_callback(struct urb *urb, struct pt_regs *regs)
}
/* This callback routine is called when data was transmitted to a B-Channel.
* Therefore it has to check if there is still data to transmit. This
* happens by calling modem_fill via task queue.
*
*/
/* This callback routine is called when data was transmitted to the device. */
static void gigaset_write_bulk_callback(struct urb *urb, struct pt_regs *regs)
{
struct cardstate *cs = (struct cardstate *) urb->context;
......@@ -448,7 +431,8 @@ static void gigaset_write_bulk_callback(struct urb *urb, struct pt_regs *regs)
}
#endif
if (urb->status)
err("bulk transfer failed (status %d)", -urb->status); /* That's all we can do. Communication problems
err("bulk transfer failed (status %d)", -urb->status);
/* That's all we can do. Communication problems
are handeled by timeouts or network protocols */
atomic_set(&cs->hw.usb->busy, 0);
......@@ -503,16 +487,16 @@ static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb)
atomic_set(&ucs->busy, 0);
err("could not submit urb (error %d).",
-status);
cb->len = 0; /* skip urb => remove cb+wakeup in next loop cycle */
cb->len = 0; /* skip urb => remove cb+wakeup
in next loop cycle */
}
}
} while (cb && status); /* bei Fehler naechster Befehl //FIXME: ist das OK? */
} while (cb && status); /* next command on error */
return status;
}
/* Write string into transbuf and send it to modem.
*/
/* Send command to device. */
static int gigaset_write_cmd(struct cardstate *cs, const unsigned char *buf,
int len, struct tasklet_struct *wake_tasklet)
{
......@@ -604,7 +588,6 @@ static int gigaset_initbcshw(struct bc_state *bcs)
if (!bcs->hw.usb)
return 0;
//bcs->hw.usb->trans_flg = READY_TO_TRNSMIT; /* B-Channel ready to transmit */
return 1;
}
......@@ -614,7 +597,6 @@ static void gigaset_reinitbcshw(struct bc_state *bcs)
static void gigaset_freecshw(struct cardstate *cs)
{
//FIXME
tasklet_kill(&cs->write_tasklet);
kfree(cs->hw.usb);
}
......@@ -644,19 +626,13 @@ static int gigaset_initcshw(struct cardstate *cs)
return 1;
}
/* Writes the data of the current open skb into the modem.
* We have to protect against multiple calls until the
* callback handler () is called , due to the fact that we
* are just allowed to send data once to an endpoint. Therefore
* we using "trans_flg" to synchonize ...
*/
/* Send data from current skb to the device. */
static int write_modem(struct cardstate *cs)
{
int ret;
int count;
struct bc_state *bcs = &cs->bcs[0]; /* only one channel */
struct usb_cardstate *ucs = cs->hw.usb;
//unsigned long flags;
IFNULLRETVAL(bcs->tx_skb, -EINVAL);
......@@ -720,12 +696,9 @@ static int gigaset_probe(struct usb_interface *interface,
struct usb_host_interface *hostif;
struct cardstate *cs = NULL;
struct usb_cardstate *ucs = NULL;
//struct usb_interface_descriptor *iface_desc;
struct usb_endpoint_descriptor *endpoint;
//isdn_ctrl command;
int buffer_size;
int alt;
//unsigned long flags;
info("%s: Check if device matches .. (Vendor: 0x%x, Product: 0x%x)",
__func__, le16_to_cpu(udev->descriptor.idVendor),
......@@ -766,29 +739,6 @@ static int gigaset_probe(struct usb_interface *interface,
}
ucs = cs->hw.usb;
#if 0
if (usb_set_configuration(udev, udev->config[0].desc.bConfigurationValue) < 0) {
warn("set_configuration failed");
goto error;
}
if (usb_set_interface(udev, ifnum/*==0*/, alt/*==0*/) < 0) {
warn("usb_set_interface failed, device %d interface %d altsetting %d",
udev->devnum, ifnum, alt);
goto error;
}
#endif
/* set up the endpoint information */
/* check out the endpoints */
/* We will get 2 endpoints: One for sending commands to the device (bulk out) and one to
* poll messages from the device(int in).
* Therefore we will have an almost similiar situation as with our serial port handler.
* If an connection will be established, we will have to create data in/out pipes
* dynamically...
*/
endpoint = &hostif->endpoint[0].desc;
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
......@@ -896,18 +846,15 @@ static void gigaset_disconnect(struct usb_interface *interface)
tasklet_kill(&cs->write_tasklet);
usb_kill_urb(ucs->bulk_out_urb); /* FIXME: nur, wenn noetig */
//usb_kill_urb(ucs->urb_cmd_out); /* FIXME: nur, wenn noetig */
usb_kill_urb(ucs->bulk_out_urb); /* FIXME: only if active? */
kfree(ucs->bulk_out_buffer);
if (ucs->bulk_out_urb != NULL)
usb_free_urb(ucs->bulk_out_urb);
//if(ucs->urb_cmd_out != NULL)
// usb_free_urb(ucs->urb_cmd_out);
kfree(cs->inbuf[0].rcvbuf);
if (ucs->read_urb != NULL)
usb_free_urb(ucs->read_urb);
ucs->read_urb = ucs->bulk_out_urb/*=ucs->urb_cmd_out*/=NULL;
ucs->read_urb = ucs->bulk_out_urb = NULL;
cs->inbuf[0].rcvbuf = ucs->bulk_out_buffer = NULL;
gigaset_unassign(cs);
......
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