Prototypes of internal functions
*/
-//static void gigaset_process_response(int resp_code, int parameter,
-// struct at_state_t *at_state,
-// unsigned char ** pstring);
static struct cardstate *alloc_cs(struct gigaset_driver *drv);
static void free_cs(struct cardstate *cs);
static void make_valid(struct cardstate *cs, unsigned mask);
static void make_invalid(struct cardstate *cs, unsigned mask);
-#define VALID_MINOR 0x01
-#define VALID_ID 0x02
-#define ASSIGNED 0x04
+#define VALID_MINOR 0x01
+#define VALID_ID 0x02
+#define ASSIGNED 0x04
/* bitwise byte inversion table */
__u8 gigaset_invtab[256] = {
EXPORT_SYMBOL_GPL(gigaset_invtab);
void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
- size_t len, const unsigned char *buf, int from_user)
+ size_t len, const unsigned char *buf, int from_user)
{
unsigned char outbuf[80];
unsigned char inbuf[80 - 1];
+ unsigned char c;
size_t numin;
const unsigned char *in;
size_t space = sizeof outbuf - 1;
in = inbuf;
if (copy_from_user(inbuf, (const unsigned char __user *) buf,
numin)) {
- strncpy(inbuf, "<FAULT>", sizeof inbuf);
- numin = sizeof "<FAULT>" - 1;
+ gig_dbg(level, "%s (%u bytes) - copy_from_user failed",
+ msg, (unsigned) len);
+ return;
}
}
- for (; numin && space; --numin, ++in) {
- --space;
- if (*in >= 32)
- *out++ = *in;
- else {
+ while (numin-- > 0) {
+ c = *buf++;
+ if (c == '~' || c == '^' || c == '\\') {
+ if (space-- <= 0)
+ break;
+ *out++ = '\\';
+ }
+ if (c & 0x80) {
+ if (space-- <= 0)
+ break;
+ *out++ = '~';
+ c ^= 0x80;
+ }
+ if (c < 0x20 || c == 0x7f) {
+ if (space-- <= 0)
+ break;
*out++ = '^';
- if (space) {
- *out++ = '@' + *in;
- --space;
- }
+ c ^= 0x40;
}
+ if (space-- <= 0)
+ break;
+ *out++ = c;
}
*out = 0;
- dbg(level, "%s (%u bytes): %s", msg, (unsigned) len, outbuf);
+ gig_dbg(level, "%s (%u bytes): %s", msg, (unsigned) len, outbuf);
}
EXPORT_SYMBOL_GPL(gigaset_dbg_buffer);
return 0;
error:
- err("error %d on setuartbits!\n", -r);
+ dev_err(cs->dev, "error %d on setuartbits\n", -r);
cs->control_state = TIOCM_RTS|TIOCM_DTR; // FIXME is this a good value?
cs->ops->set_modem_ctrl(cs, 0, TIOCM_RTS|TIOCM_DTR);
return 0;
if (--at_state->timer_expires) {
- dbg(DEBUG_MCMD, "decreased timer of %p to %lu",
- at_state, at_state->timer_expires);
+ gig_dbg(DEBUG_MCMD, "decreased timer of %p to %lu",
+ at_state, at_state->timer_expires);
return 0;
}
if (!gigaset_add_event(at_state->cs, at_state, EV_TIMEOUT, NULL,
- atomic_read(&at_state->timer_index), NULL)) {
+ atomic_read(&at_state->timer_index), NULL)) {
//FIXME what should we do?
}
if (atomic_read(&cs->running)) {
mod_timer(&cs->timer, jiffies + msecs_to_jiffies(GIG_TICK));
if (timeout) {
- dbg(DEBUG_CMD, "scheduling timeout");
+ gig_dbg(DEBUG_CMD, "scheduling timeout");
tasklet_schedule(&cs->event_tasklet);
}
}
spin_lock_irqsave(&bcs->cs->lock, flags);
if (bcs->use_count) {
- dbg(DEBUG_ANY, "could not allocate channel %d", bcs->channel);
+ gig_dbg(DEBUG_ANY, "could not allocate channel %d",
+ bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
return 0;
}
++bcs->use_count;
bcs->busy = 1;
- dbg(DEBUG_ANY, "allocated channel %d", bcs->channel);
+ gig_dbg(DEBUG_ANY, "allocated channel %d", bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
return 1;
}
spin_lock_irqsave(&bcs->cs->lock, flags);
if (!bcs->busy) {
- dbg(DEBUG_ANY, "could not free channel %d", bcs->channel);
+ gig_dbg(DEBUG_ANY, "could not free channel %d", bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
return;
}
--bcs->use_count;
bcs->busy = 0;
- dbg(DEBUG_ANY, "freed channel %d", bcs->channel);
+ gig_dbg(DEBUG_ANY, "freed channel %d", bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
}
for (i = 0; i < cs->channels; ++i)
if (cs->bcs[i].use_count) {
spin_unlock_irqrestore(&cs->lock, flags);
- dbg(DEBUG_ANY, "could not allocated all channels");
+ gig_dbg(DEBUG_ANY, "could not allocate all channels");
return 0;
}
for (i = 0; i < cs->channels; ++i)
++cs->bcs[i].use_count;
spin_unlock_irqrestore(&cs->lock, flags);
- dbg(DEBUG_ANY, "allocated all channels");
+ gig_dbg(DEBUG_ANY, "allocated all channels");
return 1;
}
unsigned long flags;
int i;
- dbg(DEBUG_ANY, "unblocking all channels");
+ gig_dbg(DEBUG_ANY, "unblocking all channels");
spin_lock_irqsave(&cs->lock, flags);
for (i = 0; i < cs->channels; ++i)
--cs->bcs[i].use_count;
unsigned long flags;
int i;
- dbg(DEBUG_ANY, "blocking all channels");
+ gig_dbg(DEBUG_ANY, "blocking all channels");
spin_lock_irqsave(&cs->lock, flags);
for (i = 0; i < cs->channels; ++i)
++cs->bcs[i].use_count;
}
struct event_t *gigaset_add_event(struct cardstate *cs,
- struct at_state_t *at_state, int type,
- void *ptr, int parameter, void *arg)
+ struct at_state_t *at_state, int type,
+ void *ptr, int parameter, void *arg)
{
unsigned long flags;
unsigned next, tail;
{
int i;
- dbg(DEBUG_INIT, "freeing bcs[%d]->hw", bcs->channel);
+ gig_dbg(DEBUG_INIT, "freeing bcs[%d]->hw", bcs->channel);
if (!bcs->cs->ops->freebcshw(bcs)) {
- dbg(DEBUG_INIT, "failed");
+ gig_dbg(DEBUG_INIT, "failed");
}
- dbg(DEBUG_INIT, "clearing bcs[%d]->at_state", bcs->channel);
+ gig_dbg(DEBUG_INIT, "clearing bcs[%d]->at_state", bcs->channel);
clear_at_state(&bcs->at_state);
- dbg(DEBUG_INIT, "freeing bcs[%d]->skb", bcs->channel);
+ gig_dbg(DEBUG_INIT, "freeing bcs[%d]->skb", bcs->channel);
if (bcs->skb)
dev_kfree_skb(bcs->skb);
default:
gigaset_if_free(cs);
- dbg(DEBUG_INIT, "clearing hw");
+ gig_dbg(DEBUG_INIT, "clearing hw");
cs->ops->freecshw(cs);
//FIXME cmdbuf
case 2: /* error in initcshw */
/* Deregister from LL */
make_invalid(cs, VALID_ID);
- dbg(DEBUG_INIT, "clearing iif");
+ gig_dbg(DEBUG_INIT, "clearing iif");
gigaset_i4l_cmd(cs, ISDN_STAT_UNLOAD);
/* fall through */
case 1: /* error when regestering to LL */
- dbg(DEBUG_INIT, "clearing at_state");
+ gig_dbg(DEBUG_INIT, "clearing at_state");
clear_at_state(&cs->at_state);
dealloc_at_states(cs);
/* fall through */
case 0: /* error in one call to initbcs */
for (i = 0; i < cs->channels; ++i) {
- dbg(DEBUG_INIT, "clearing bcs[%d]", i);
+ gig_dbg(DEBUG_INIT, "clearing bcs[%d]", i);
gigaset_freebcs(cs->bcs + i);
}
clear_events(cs);
- dbg(DEBUG_INIT, "freeing inbuf");
+ gig_dbg(DEBUG_INIT, "freeing inbuf");
kfree(cs->inbuf);
}
-f_bcs: dbg(DEBUG_INIT, "freeing bcs[]");
+f_bcs: gig_dbg(DEBUG_INIT, "freeing bcs[]");
kfree(cs->bcs);
-f_cs: dbg(DEBUG_INIT, "freeing cs");
+f_cs: gig_dbg(DEBUG_INIT, "freeing cs");
up(&cs->sem);
free_cs(cs);
}
EXPORT_SYMBOL_GPL(gigaset_freecs);
void gigaset_at_init(struct at_state_t *at_state, struct bc_state *bcs,
- struct cardstate *cs, int cid)
+ struct cardstate *cs, int cid)
{
int i;
static void gigaset_inbuf_init(struct inbuf_t *inbuf, struct bc_state *bcs,
- struct cardstate *cs, int inputstate)
+ struct cardstate *cs, int inputstate)
/* inbuf->read must be allocated before! */
{
atomic_set(&inbuf->head, 0);
/* Initialize the b-channel structure */
static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
- struct cardstate *cs, int channel)
+ struct cardstate *cs, int channel)
{
int i;
bcs->trans_down = 0;
bcs->trans_up = 0;
- dbg(DEBUG_INIT, "setting up bcs[%d]->at_state", channel);
+ gig_dbg(DEBUG_INIT, "setting up bcs[%d]->at_state", channel);
gigaset_at_init(&bcs->at_state, bcs, cs, -1);
bcs->rcvbytes = 0;
bcs->emptycount = 0;
#endif
- dbg(DEBUG_INIT, "allocating bcs[%d]->skb", channel);
+ gig_dbg(DEBUG_INIT, "allocating bcs[%d]->skb", channel);
bcs->fcs = PPP_INITFCS;
bcs->inputstate = 0;
if (cs->ignoreframes) {
} else if ((bcs->skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)
skb_reserve(bcs->skb, HW_HDR_LEN);
else {
- warn("could not allocate skb");
+ dev_warn(cs->dev, "could not allocate skb\n");
bcs->inputstate |= INS_skip_frame;
}
for (i = 0; i < AT_NUM; ++i)
bcs->commands[i] = NULL;
- dbg(DEBUG_INIT, " setting up bcs[%d]->hw", channel);
+ gig_dbg(DEBUG_INIT, " setting up bcs[%d]->hw", channel);
if (cs->ops->initbcshw(bcs))
return bcs;
- dbg(DEBUG_INIT, " failed");
+ gig_dbg(DEBUG_INIT, " failed");
- dbg(DEBUG_INIT, " freeing bcs[%d]->skb", channel);
+ gig_dbg(DEBUG_INIT, " freeing bcs[%d]->skb", channel);
if (bcs->skb)
dev_kfree_skb(bcs->skb);
* Calls hardware dependent gigaset_initcshw() function
* Calls B channel initialization function gigaset_initbcs() for each B channel
* parameters:
- * drv hardware driver the device belongs to
+ * 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
struct cardstate *cs = NULL;
int i;
- dbg(DEBUG_INIT, "allocating cs");
+ gig_dbg(DEBUG_INIT, "allocating cs");
cs = alloc_cs(drv);
if (!cs)
goto error;
- dbg(DEBUG_INIT, "allocating bcs[0..%d]", channels - 1);
+ gig_dbg(DEBUG_INIT, "allocating bcs[0..%d]", channels - 1);
cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL);
if (!cs->bcs)
goto error;
- dbg(DEBUG_INIT, "allocating inbuf");
+ gig_dbg(DEBUG_INIT, "allocating inbuf");
cs->inbuf = kmalloc(sizeof(struct inbuf_t), GFP_KERNEL);
if (!cs->inbuf)
goto error;
cs->cur_at_seq = 0;
cs->gotfwver = -1;
cs->open_count = 0;
+ cs->dev = NULL;
cs->tty = NULL;
atomic_set(&cs->cidmode, cidmode != 0);
atomic_set(&cs->mstate, MS_UNINITIALIZED);
for (i = 0; i < channels; ++i) {
- dbg(DEBUG_INIT, "setting up bcs[%d].read", i);
+ gig_dbg(DEBUG_INIT, "setting up bcs[%d].read", i);
if (!gigaset_initbcs(cs->bcs + i, cs, i))
goto error;
}
++cs->cs_init;
- dbg(DEBUG_INIT, "setting up at_state");
+ gig_dbg(DEBUG_INIT, "setting up at_state");
spin_lock_init(&cs->lock);
gigaset_at_init(&cs->at_state, NULL, cs, 0);
cs->dle = 0;
cs->cbytes = 0;
- dbg(DEBUG_INIT, "setting up inbuf");
+ gig_dbg(DEBUG_INIT, "setting up inbuf");
if (onechannel) { //FIXME distinction necessary?
gigaset_inbuf_init(cs->inbuf, cs->bcs, cs, INS_command);
} else
atomic_set(&cs->connected, 0);
- dbg(DEBUG_INIT, "setting up cmdbuf");
+ gig_dbg(DEBUG_INIT, "setting up cmdbuf");
cs->cmdbuf = cs->lastcmdbuf = NULL;
spin_lock_init(&cs->cmdlock);
cs->curlen = 0;
cs->cmdbytes = 0;
- dbg(DEBUG_INIT, "setting up iif");
+ gig_dbg(DEBUG_INIT, "setting up iif");
if (!gigaset_register_to_LL(cs, modulename)) {
- err("register_isdn=>error");
+ err("register_isdn failed");
goto error;
}
make_valid(cs, VALID_ID);
++cs->cs_init;
- dbg(DEBUG_INIT, "setting up hw");
+ gig_dbg(DEBUG_INIT, "setting up hw");
if (!cs->ops->initcshw(cs))
goto error;
* Same problem(?) with mod_timer() in timer_tick(). */
add_timer(&cs->timer);
- dbg(DEBUG_INIT, "cs initialized!");
+ gig_dbg(DEBUG_INIT, "cs initialized");
up(&cs->sem);
return cs;
error: if (cs)
up(&cs->sem);
- dbg(DEBUG_INIT, "failed");
+ gig_dbg(DEBUG_INIT, "failed");
gigaset_freecs(cs);
return NULL;
}
bcs->at_state.ConState = 0;
bcs->at_state.timer_active = 0;
bcs->at_state.timer_expires = 0;
- bcs->at_state.cid = -1; /* No CID defined */
+ bcs->at_state.cid = -1; /* No CID defined */
spin_unlock_irqrestore(&cs->lock, flags);
bcs->inputstate = 0;
goto error;
}
- dbg(DEBUG_CMD, "scheduling START");
+ gig_dbg(DEBUG_CMD, "scheduling START");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
goto exit;
}
- dbg(DEBUG_CMD, "scheduling SHUTDOWN");
+ gig_dbg(DEBUG_CMD, "scheduling SHUTDOWN");
gigaset_schedule_event(cs);
if (wait_event_interruptible(cs->waitqueue, !cs->waiting)) {
- warn("aborted");
+ warn("%s: aborted", __func__);
//FIXME
}
goto exit;
}
- dbg(DEBUG_CMD, "scheduling STOP");
+ gig_dbg(DEBUG_CMD, "scheduling STOP");
gigaset_schedule_event(cs);
if (wait_event_interruptible(cs->waitqueue, !cs->waiting)) {
- warn("aborted");
+ warn("%s: aborted", __func__);
//FIXME
}
spin_lock_irqsave(&driver_lock, flags);
list_for_each_entry(drv, &drivers, list) {
- dbg(DEBUG_DRIVER, "driver %p", drv);
+ gig_dbg(DEBUG_DRIVER, "driver %p", drv);
spin_lock(&drv->lock);
for (i = 0; i < drv->minors; ++i) {
- dbg(DEBUG_DRIVER, " index %u", i);
- dbg(DEBUG_DRIVER, " flags 0x%02x", drv->flags[i]);
+ gig_dbg(DEBUG_DRIVER, " index %u", i);
+ gig_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, " driver %p", cs->driver);
- dbg(DEBUG_DRIVER, " i4l id %d", cs->myid);
+ gig_dbg(DEBUG_DRIVER, " cardstate %p", cs);
+ gig_dbg(DEBUG_DRIVER, " minor_index %u",
+ cs->minor_index);
+ gig_dbg(DEBUG_DRIVER, " driver %p", cs->driver);
+ gig_dbg(DEBUG_DRIVER, " i4l id %d", cs->myid);
}
spin_unlock(&drv->lock);
}
/* gigaset_initdriver
* Allocate and initialize gigaset_driver structure. Initialize interface.
* parameters:
- * minor First minor number
- * minors Number of minors this driver can handle
- * procname Name of the driver
- * devname Name of the device files (prefix without minor number)
- * devfsname Devfs name of the device files without %d
+ * minor First minor number
+ * minors Number of minors this driver can handle
+ * 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:
- * Pointer to the gigaset_driver structure on success, NULL on failure.
+ * Pointer to the gigaset_driver structure on success, NULL on failure.
*/
struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
- const char *procname,
- const char *devname,
- const char *devfsname,
- const struct gigaset_ops *ops,
- struct module *owner)
+ const char *procname,
+ const char *devname,
+ const char *devfsname,
+ const struct gigaset_ops *ops,
+ struct module *owner)
{
struct gigaset_driver *drv;
unsigned long flags;
projects / deliverable / linux.git / blobdiff