*
* Copyright (c) 2001 by Hansjoerg Lipp <hjlipp@web.de>,
* Tilman Schmidt <tilman@imap.cc>,
- * Stefan Eilers <Eilers.Stefan@epost.de>.
+ * Stefan Eilers.
*
* Based on usb-gigaset.c.
*
#include <linux/moduleparam.h>
/* Version Information */
-#define DRIVER_AUTHOR "Tilman Schmidt <tilman@imap.cc>, Hansjoerg Lipp <hjlipp@web.de>, Stefan Eilers <Eilers.Stefan@epost.de>"
+#define DRIVER_AUTHOR "Tilman Schmidt <tilman@imap.cc>, Hansjoerg Lipp <hjlipp@web.de>, Stefan Eilers"
#define DRIVER_DESC "USB Driver for Gigaset 307x"
/*==============================================================================*/
struct bas_cardstate {
- struct usb_device *udev; /* USB device pointer */
- struct usb_interface *interface; /* interface for this device */
+ struct usb_device *udev; /* USB device pointer */
+ struct usb_interface *interface; /* interface for this device */
unsigned char minor; /* starting minor number */
- struct urb *urb_ctrl; /* control pipe default URB */
+ struct urb *urb_ctrl; /* control pipe default URB */
struct usb_ctrlrequest dr_ctrl;
struct timer_list timer_ctrl; /* control request timeout */
struct timer_list timer_atrdy; /* AT command ready timeout */
- struct urb *urb_cmd_out; /* for sending AT commands */
+ struct urb *urb_cmd_out; /* for sending AT commands */
struct usb_ctrlrequest dr_cmd_out;
int retry_cmd_out;
- struct urb *urb_cmd_in; /* for receiving AT replies */
+ struct urb *urb_cmd_in; /* for receiving AT replies */
struct usb_ctrlrequest dr_cmd_in;
struct timer_list timer_cmd_in; /* receive request timeout */
- unsigned char *rcvbuf; /* AT reply receive buffer */
+ unsigned char *rcvbuf; /* AT reply receive buffer */
- struct urb *urb_int_in; /* URB for interrupt pipe */
+ struct urb *urb_int_in; /* URB for interrupt pipe */
unsigned char int_in_buf[3];
spinlock_t lock; /* locks all following */
* write content of URB to syslog for debugging
*/
static inline void dump_urb(enum debuglevel level, const char *tag,
- struct urb *urb)
+ struct urb *urb)
{
#ifdef CONFIG_GIGASET_DEBUG
int i;
- IFNULLRET(tag);
- dbg(level, "%s urb(0x%08lx)->{", tag, (unsigned long) urb);
+ gig_dbg(level, "%s urb(0x%08lx)->{", tag, (unsigned long) urb);
if (urb) {
- dbg(level,
- " dev=0x%08lx, pipe=%s:EP%d/DV%d:%s, "
- "status=%d, hcpriv=0x%08lx, transfer_flags=0x%x,",
- (unsigned long) urb->dev,
- usb_pipetype_str(urb->pipe),
- usb_pipeendpoint(urb->pipe), usb_pipedevice(urb->pipe),
- usb_pipein(urb->pipe) ? "in" : "out",
- urb->status, (unsigned long) urb->hcpriv,
- urb->transfer_flags);
- dbg(level,
- " transfer_buffer=0x%08lx[%d], actual_length=%d, "
- "bandwidth=%d, setup_packet=0x%08lx,",
- (unsigned long) urb->transfer_buffer,
- urb->transfer_buffer_length, urb->actual_length,
- urb->bandwidth, (unsigned long) urb->setup_packet);
- dbg(level,
- " start_frame=%d, number_of_packets=%d, interval=%d, "
- "error_count=%d,",
- urb->start_frame, urb->number_of_packets, urb->interval,
- urb->error_count);
- dbg(level,
- " context=0x%08lx, complete=0x%08lx, iso_frame_desc[]={",
- (unsigned long) urb->context,
- (unsigned long) urb->complete);
+ gig_dbg(level,
+ " dev=0x%08lx, pipe=%s:EP%d/DV%d:%s, "
+ "status=%d, hcpriv=0x%08lx, transfer_flags=0x%x,",
+ (unsigned long) urb->dev,
+ usb_pipetype_str(urb->pipe),
+ usb_pipeendpoint(urb->pipe), usb_pipedevice(urb->pipe),
+ usb_pipein(urb->pipe) ? "in" : "out",
+ urb->status, (unsigned long) urb->hcpriv,
+ urb->transfer_flags);
+ gig_dbg(level,
+ " transfer_buffer=0x%08lx[%d], actual_length=%d, "
+ "bandwidth=%d, setup_packet=0x%08lx,",
+ (unsigned long) urb->transfer_buffer,
+ urb->transfer_buffer_length, urb->actual_length,
+ urb->bandwidth, (unsigned long) urb->setup_packet);
+ gig_dbg(level,
+ " start_frame=%d, number_of_packets=%d, interval=%d, "
+ "error_count=%d,",
+ urb->start_frame, urb->number_of_packets, urb->interval,
+ urb->error_count);
+ gig_dbg(level,
+ " context=0x%08lx, complete=0x%08lx, "
+ "iso_frame_desc[]={",
+ (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];
- dbg(level,
- " {offset=%u, length=%u, actual_length=%u, "
- "status=%u}",
- pifd->offset, pifd->length, pifd->actual_length,
- pifd->status);
+ gig_dbg(level,
+ " {offset=%u, length=%u, actual_length=%u, "
+ "status=%u}",
+ pifd->offset, pifd->length, pifd->actual_length,
+ pifd->status);
}
}
- dbg(level, "}}");
+ gig_dbg(level, "}}");
#endif
}
/* read/set modem control bits etc. (m10x only) */
static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
- unsigned new_state)
+ unsigned new_state)
{
return -EINVAL;
}
{
struct cardstate *cs = bcs->cs;
- dbg(DEBUG_ANY,
- "%s: scheduling HUP for channel %d", __func__, bcs->channel);
+ gig_dbg(DEBUG_ANY, "%s: scheduling HUP for channel %d",
+ __func__, bcs->channel);
if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL)) {
//FIXME what should we do?
static inline void error_reset(struct cardstate *cs)
{
//FIXME try to recover without bothering the user
- err("unrecoverable error - please disconnect the Gigaset base to reset");
+ dev_err(cs->dev,
+ "unrecoverable error - please disconnect Gigaset base to reset\n");
}
/* check_pending
* check for completion of pending control request
* parameter:
- * urb USB request block of completed request
- * urb->context = hardware specific controller state structure
+ * ucs hardware specific controller state structure
*/
static void check_pending(struct bas_cardstate *ucs)
{
unsigned long flags;
- IFNULLRET(ucs);
- IFNULLRET(cardstate);
-
spin_lock_irqsave(&ucs->lock, flags);
switch (ucs->pending) {
case 0:
case HD_CLOSE_ATCHANNEL:
if (!(atomic_read(&ucs->basstate) & BS_ATOPEN))
ucs->pending = 0;
- //wake_up_interruptible(cs->initwait);
- //FIXME need own wait queue?
break;
case HD_CLOSE_B1CHANNEL:
if (!(atomic_read(&ucs->basstate) & BS_B1OPEN))
* are handled separately and should never end up here
*/
default:
- warn("unknown pending request 0x%02x cleared", ucs->pending);
+ dev_warn(&ucs->interface->dev,
+ "unknown pending request 0x%02x cleared\n",
+ ucs->pending);
ucs->pending = 0;
}
static void cmd_in_timeout(unsigned long data)
{
struct cardstate *cs = (struct cardstate *) data;
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = cs->hw.bas;
unsigned long flags;
- IFNULLRET(cs);
- ucs = cs->hw.bas;
- IFNULLRET(ucs);
-
spin_lock_irqsave(&cs->lock, flags);
- if (!atomic_read(&cs->connected)) {
- dbg(DEBUG_USBREQ, "%s: disconnected", __func__);
+ if (unlikely(!cs->connected)) {
+ gig_dbg(DEBUG_USBREQ, "%s: disconnected", __func__);
spin_unlock_irqrestore(&cs->lock, flags);
return;
}
if (!ucs->rcvbuf_size) {
- dbg(DEBUG_USBREQ, "%s: no receive in progress", __func__);
+ gig_dbg(DEBUG_USBREQ, "%s: no receive in progress", __func__);
spin_unlock_irqrestore(&cs->lock, flags);
return;
}
spin_unlock_irqrestore(&cs->lock, flags);
- err("timeout reading AT response");
+ dev_err(cs->dev, "timeout reading AT response\n");
error_reset(cs); //FIXME retry?
}
*/
static int atread_submit(struct cardstate *cs, int timeout)
{
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = cs->hw.bas;
int ret;
- IFNULLRETVAL(cs, -EINVAL);
- ucs = cs->hw.bas;
- IFNULLRETVAL(ucs, -EINVAL);
- IFNULLRETVAL(ucs->urb_cmd_in, -EINVAL);
-
- dbg(DEBUG_USBREQ, "-------> HD_READ_ATMESSAGE (%d)", ucs->rcvbuf_size);
+ gig_dbg(DEBUG_USBREQ, "-------> HD_READ_ATMESSAGE (%d)",
+ ucs->rcvbuf_size);
if (ucs->urb_cmd_in->status == -EINPROGRESS) {
- err("could not submit HD_READ_ATMESSAGE: URB busy");
+ dev_err(cs->dev,
+ "could not submit HD_READ_ATMESSAGE: URB busy\n");
return -EBUSY;
}
ucs->dr_cmd_in.wIndex = 0;
ucs->dr_cmd_in.wLength = cpu_to_le16(ucs->rcvbuf_size);
usb_fill_control_urb(ucs->urb_cmd_in, ucs->udev,
- usb_rcvctrlpipe(ucs->udev, 0),
- (unsigned char*) & ucs->dr_cmd_in,
- ucs->rcvbuf, ucs->rcvbuf_size,
- read_ctrl_callback, cs->inbuf);
+ usb_rcvctrlpipe(ucs->udev, 0),
+ (unsigned char*) & ucs->dr_cmd_in,
+ ucs->rcvbuf, ucs->rcvbuf_size,
+ read_ctrl_callback, cs->inbuf);
if ((ret = usb_submit_urb(ucs->urb_cmd_in, SLAB_ATOMIC)) != 0) {
- err("could not submit HD_READ_ATMESSAGE: %s",
- get_usb_statmsg(ret));
+ dev_err(cs->dev, "could not submit HD_READ_ATMESSAGE: %s\n",
+ get_usb_statmsg(ret));
return ret;
}
if (timeout > 0) {
- dbg(DEBUG_USBREQ, "setting timeout of %d/10 secs", timeout);
+ gig_dbg(DEBUG_USBREQ, "setting timeout of %d/10 secs", timeout);
ucs->timer_cmd_in.expires = jiffies + timeout * HZ / 10;
ucs->timer_cmd_in.data = (unsigned long) cs;
ucs->timer_cmd_in.function = cmd_in_timeout;
*/
static void read_int_callback(struct urb *urb, struct pt_regs *regs)
{
- struct cardstate *cs;
- struct bas_cardstate *ucs;
+ struct cardstate *cs = urb->context;
+ struct bas_cardstate *ucs = cs->hw.bas;
struct bc_state *bcs;
unsigned long flags;
int status;
unsigned l;
int channel;
- IFNULLRET(urb);
- cs = (struct cardstate *) urb->context;
- IFNULLRET(cs);
- ucs = cs->hw.bas;
- IFNULLRET(ucs);
-
- if (unlikely(!atomic_read(&cs->connected))) {
- warn("%s: disconnected", __func__);
- return;
- }
-
switch (urb->status) {
case 0: /* success */
break;
case -ECONNRESET: /* canceled (async) */
case -EINPROGRESS: /* pending */
/* ignore silently */
- dbg(DEBUG_USBREQ,
- "%s: %s", __func__, get_usb_statmsg(urb->status));
+ gig_dbg(DEBUG_USBREQ, "%s: %s",
+ __func__, get_usb_statmsg(urb->status));
return;
default: /* severe trouble */
- warn("interrupt read: %s", get_usb_statmsg(urb->status));
+ dev_warn(cs->dev, "interrupt read: %s\n",
+ get_usb_statmsg(urb->status));
//FIXME corrective action? resubmission always ok?
goto resubmit;
}
l = (unsigned) ucs->int_in_buf[1] +
(((unsigned) ucs->int_in_buf[2]) << 8);
- dbg(DEBUG_USBREQ,
- "<-------%d: 0x%02x (%u [0x%02x 0x%02x])", urb->actual_length,
- (int)ucs->int_in_buf[0], l,
- (int)ucs->int_in_buf[1], (int)ucs->int_in_buf[2]);
+ gig_dbg(DEBUG_USBREQ, "<-------%d: 0x%02x (%u [0x%02x 0x%02x])",
+ urb->actual_length, (int)ucs->int_in_buf[0], l,
+ (int)ucs->int_in_buf[1], (int)ucs->int_in_buf[2]);
channel = 0;
case HD_B1_FLOW_CONTROL:
bcs = cs->bcs + channel;
atomic_add((l - BAS_NORMFRAME) * BAS_CORRFRAMES,
- &bcs->hw.bas->corrbytes);
- dbg(DEBUG_ISO,
- "Flow control (channel %d, sub %d): 0x%02x => %d",
- channel, bcs->hw.bas->numsub, l,
- atomic_read(&bcs->hw.bas->corrbytes));
+ &bcs->hw.bas->corrbytes);
+ gig_dbg(DEBUG_ISO,
+ "Flow control (channel %d, sub %d): 0x%02x => %d",
+ channel, bcs->hw.bas->numsub, l,
+ atomic_read(&bcs->hw.bas->corrbytes));
break;
case HD_RECEIVEATDATA_ACK: /* AT response ready to be received */
if (!l) {
- warn("HD_RECEIVEATDATA_ACK with length 0 ignored");
+ dev_warn(cs->dev,
+ "HD_RECEIVEATDATA_ACK with length 0 ignored\n");
break;
}
spin_lock_irqsave(&cs->lock, flags);
if (ucs->rcvbuf_size) {
spin_unlock_irqrestore(&cs->lock, flags);
- err("receive AT data overrun, %d bytes lost", l);
+ dev_err(cs->dev,
+ "receive AT data overrun, %d bytes lost\n", l);
error_reset(cs); //FIXME reschedule
break;
}
if ((ucs->rcvbuf = kmalloc(l, GFP_ATOMIC)) == NULL) {
spin_unlock_irqrestore(&cs->lock, flags);
- err("%s: out of memory, %d bytes lost", __func__, l);
+ dev_err(cs->dev, "out of memory, %d bytes lost\n", l);
error_reset(cs); //FIXME reschedule
break;
}
break;
case HD_RESET_INTERRUPT_PIPE_ACK:
- dbg(DEBUG_USBREQ, "HD_RESET_INTERRUPT_PIPE_ACK");
+ gig_dbg(DEBUG_USBREQ, "HD_RESET_INTERRUPT_PIPE_ACK");
break;
case HD_SUSPEND_END:
- dbg(DEBUG_USBREQ, "HD_SUSPEND_END");
+ gig_dbg(DEBUG_USBREQ, "HD_SUSPEND_END");
break;
default:
- warn("unknown Gigaset signal 0x%02x (%u) ignored",
- (int) ucs->int_in_buf[0], l);
+ dev_warn(cs->dev,
+ "unknown Gigaset signal 0x%02x (%u) ignored\n",
+ (int) ucs->int_in_buf[0], l);
}
check_pending(ucs);
resubmit:
- status = usb_submit_urb(urb, SLAB_ATOMIC);
+ spin_lock_irqsave(&cs->lock, flags);
+ status = cs->connected ? usb_submit_urb(urb, SLAB_ATOMIC) : -ENODEV;
+ spin_unlock_irqrestore(&cs->lock, flags);
if (unlikely(status)) {
- err("could not resubmit interrupt URB: %s",
- get_usb_statmsg(status));
+ dev_err(cs->dev, "could not resubmit interrupt URB: %s\n",
+ get_usb_statmsg(status));
error_reset(cs);
}
}
*/
static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs)
{
- struct cardstate *cs;
- struct bas_cardstate *ucs;
+ struct inbuf_t *inbuf = urb->context;
+ struct cardstate *cs = inbuf->cs;
+ struct bas_cardstate *ucs = cs->hw.bas;
+ int have_data = 0;
unsigned numbytes;
unsigned long flags;
- struct inbuf_t *inbuf;
- int have_data = 0;
-
- IFNULLRET(urb);
- inbuf = (struct inbuf_t *) urb->context;
- IFNULLRET(inbuf);
- cs = inbuf->cs;
- IFNULLRET(cs);
- ucs = cs->hw.bas;
- IFNULLRET(ucs);
spin_lock_irqsave(&cs->lock, flags);
- if (!atomic_read(&cs->connected)) {
+ if (unlikely(!cs->connected)) {
warn("%s: disconnected", __func__);
spin_unlock_irqrestore(&cs->lock, flags);
return;
}
if (!ucs->rcvbuf_size) {
- warn("%s: no receive in progress", __func__);
+ dev_warn(cs->dev, "%s: no receive in progress\n", __func__);
spin_unlock_irqrestore(&cs->lock, flags);
return;
}
case 0: /* normal completion */
numbytes = urb->actual_length;
if (unlikely(numbytes == 0)) {
- warn("control read: empty block received");
+ dev_warn(cs->dev,
+ "control read: empty block received\n");
goto retry;
}
if (unlikely(numbytes != ucs->rcvbuf_size)) {
- warn("control read: received %d chars, expected %d",
- numbytes, ucs->rcvbuf_size);
+ dev_warn(cs->dev,
+ "control read: received %d chars, expected %d\n",
+ numbytes, ucs->rcvbuf_size);
if (numbytes > ucs->rcvbuf_size)
numbytes = ucs->rcvbuf_size;
}
case -ECONNRESET: /* canceled (async) */
case -EINPROGRESS: /* pending */
/* no action necessary */
- dbg(DEBUG_USBREQ,
- "%s: %s", __func__, get_usb_statmsg(urb->status));
+ gig_dbg(DEBUG_USBREQ, "%s: %s",
+ __func__, get_usb_statmsg(urb->status));
break;
default: /* severe trouble */
- warn("control read: %s", get_usb_statmsg(urb->status));
+ dev_warn(cs->dev, "control read: %s\n",
+ get_usb_statmsg(urb->status));
retry:
if (ucs->retry_cmd_in++ < BAS_RETRY) {
- notice("control read: retry %d", ucs->retry_cmd_in);
+ dev_notice(cs->dev, "control read: retry %d\n",
+ ucs->retry_cmd_in);
if (atread_submit(cs, BAS_TIMEOUT) >= 0) {
/* resubmitted - bypass regular exit block */
spin_unlock_irqrestore(&cs->lock, flags);
return;
}
} else {
- err("control read: giving up after %d tries",
- ucs->retry_cmd_in);
+ dev_err(cs->dev,
+ "control read: giving up after %d tries\n",
+ ucs->retry_cmd_in);
}
error_reset(cs);
}
ucs->rcvbuf_size = 0;
spin_unlock_irqrestore(&cs->lock, flags);
if (have_data) {
- dbg(DEBUG_INTR, "%s-->BH", __func__);
+ gig_dbg(DEBUG_INTR, "%s-->BH", __func__);
gigaset_schedule_event(cs);
}
}
unsigned long flags;
int i, rc;
- IFNULLRET(urb);
- IFNULLRET(urb->context);
- IFNULLRET(cardstate);
-
/* status codes not worth bothering the tasklet with */
if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET ||
- urb->status == -EINPROGRESS)) {
- dbg(DEBUG_ISO,
- "%s: %s", __func__, get_usb_statmsg(urb->status));
+ urb->status == -EINPROGRESS)) {
+ gig_dbg(DEBUG_ISO, "%s: %s",
+ __func__, get_usb_statmsg(urb->status));
return;
}
- bcs = (struct bc_state *) urb->context;
+ bcs = urb->context;
ubc = bcs->hw.bas;
- IFNULLRET(ubc);
spin_lock_irqsave(&ubc->isoinlock, flags);
if (likely(ubc->isoindone == NULL)) {
urb->iso_frame_desc[i].actual_length = 0;
}
if (likely(atomic_read(&ubc->running))) {
- urb->dev = bcs->cs->hw.bas->udev; /* clobbered by USB subsystem */
+ /* urb->dev is clobbered by USB subsystem */
+ urb->dev = bcs->cs->hw.bas->udev;
urb->transfer_flags = URB_ISO_ASAP;
urb->number_of_packets = BAS_NUMFRAMES;
- dbg(DEBUG_ISO, "%s: isoc read overrun/resubmit",
- __func__);
+ gig_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",
- get_usb_statmsg(rc));
+ dev_err(bcs->cs->dev,
+ "could not resubmit isochronous read "
+ "URB: %s\n", get_usb_statmsg(rc));
dump_urb(DEBUG_ISO, "isoc read", urb);
error_hangup(bcs);
}
struct bas_bc_state *ubc;
unsigned long flags;
- IFNULLRET(urb);
- IFNULLRET(urb->context);
- IFNULLRET(cardstate);
-
/* status codes not worth bothering the tasklet with */
if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET ||
- urb->status == -EINPROGRESS)) {
- dbg(DEBUG_ISO,
- "%s: %s", __func__, get_usb_statmsg(urb->status));
+ urb->status == -EINPROGRESS)) {
+ gig_dbg(DEBUG_ISO, "%s: %s",
+ __func__, get_usb_statmsg(urb->status));
return;
}
/* pass URB context to tasklet */
- ucx = (struct isow_urbctx_t *) urb->context;
- IFNULLRET(ucx->bcs);
+ ucx = urb->context;
ubc = ucx->bcs->hw.bas;
- IFNULLRET(ubc);
spin_lock_irqsave(&ubc->isooutlock, flags);
ubc->isooutovfl = ubc->isooutdone;
*/
static int starturbs(struct bc_state *bcs)
{
+ struct bas_bc_state *ubc = bcs->hw.bas;
struct urb *urb;
- struct bas_bc_state *ubc;
int j, k;
int rc;
- IFNULLRETVAL(bcs, -EFAULT);
- ubc = bcs->hw.bas;
- IFNULLRETVAL(ubc, -EFAULT);
-
/* initialize L2 reception */
if (bcs->proto2 == ISDN_PROTO_L2_HDLC)
bcs->inputstate |= INS_flag_hunt;
for (k = 0; k < BAS_INURBS; k++) {
urb = ubc->isoinurbs[k];
if (!urb) {
- err("isoinurbs[%d]==NULL", k);
+ dev_err(bcs->cs->dev, "isoinurbs[%d]==NULL\n", k);
rc = -EFAULT;
goto error;
}
dump_urb(DEBUG_ISO, "Initial isoc read", urb);
if ((rc = usb_submit_urb(urb, SLAB_ATOMIC)) != 0) {
- err("could not submit isochronous read URB %d: %s",
- k, get_usb_statmsg(rc));
+ dev_err(bcs->cs->dev,
+ "could not submit isochronous read URB %d: %s\n",
+ k, get_usb_statmsg(rc));
goto error;
}
}
for (k = 0; k < BAS_OUTURBS; ++k) {
urb = ubc->isoouturbs[k].urb;
if (!urb) {
- err("isoouturbs[%d].urb==NULL", k);
+ dev_err(bcs->cs->dev, "isoouturbs[%d].urb==NULL\n", k);
rc = -EFAULT;
goto error;
}
dump_urb(DEBUG_ISO, "Initial isoc write", urb);
rc = usb_submit_urb(ubc->isoouturbs[k].urb, SLAB_ATOMIC);
if (rc != 0) {
- err("could not submit isochronous write URB %d: %s",
- k, get_usb_statmsg(rc));
+ dev_err(bcs->cs->dev,
+ "could not submit isochronous write URB %d: %s\n",
+ k, get_usb_statmsg(rc));
goto error;
}
}
{
int k, rc;
- IFNULLRET(ubc);
-
atomic_set(&ubc->running, 0);
for (k = 0; k < BAS_INURBS; ++k) {
rc = usb_unlink_urb(ubc->isoinurbs[k]);
- dbg(DEBUG_ISO, "%s: isoc input URB %d unlinked, result = %d",
- __func__, k, rc);
+ gig_dbg(DEBUG_ISO,
+ "%s: isoc input URB %d unlinked, result = %d",
+ __func__, k, rc);
}
for (k = 0; k < BAS_OUTURBS; ++k) {
rc = usb_unlink_urb(ubc->isoouturbs[k].urb);
- dbg(DEBUG_ISO, "%s: isoc output URB %d unlinked, result = %d",
- __func__, k, rc);
+ gig_dbg(DEBUG_ISO,
+ "%s: isoc output URB %d unlinked, result = %d",
+ __func__, k, rc);
}
}
*/
static int submit_iso_write_urb(struct isow_urbctx_t *ucx)
{
- struct urb *urb;
- struct bas_bc_state *ubc;
+ struct urb *urb = ucx->urb;
+ struct bas_bc_state *ubc = ucx->bcs->hw.bas;
struct usb_iso_packet_descriptor *ifd;
int corrbytes, nframe, rc;
+ unsigned long flags;
- IFNULLRETVAL(ucx, -EFAULT);
- urb = ucx->urb;
- IFNULLRETVAL(urb, -EFAULT);
- IFNULLRETVAL(ucx->bcs, -EFAULT);
- ubc = ucx->bcs->hw.bas;
- IFNULLRETVAL(ubc, -EFAULT);
-
- urb->dev = ucx->bcs->cs->hw.bas->udev; /* clobbered by USB subsystem */
+ /* urb->dev is clobbered by USB subsystem */
+ urb->dev = ucx->bcs->cs->hw.bas->udev;
urb->transfer_flags = URB_ISO_ASAP;
urb->transfer_buffer = ubc->isooutbuf->data;
urb->transfer_buffer_length = sizeof(ubc->isooutbuf->data);
/* compute frame length according to flow control */
ifd->length = BAS_NORMFRAME;
if ((corrbytes = atomic_read(&ubc->corrbytes)) != 0) {
- dbg(DEBUG_ISO, "%s: corrbytes=%d", __func__, corrbytes);
+ gig_dbg(DEBUG_ISO, "%s: corrbytes=%d",
+ __func__, corrbytes);
if (corrbytes > BAS_HIGHFRAME - BAS_NORMFRAME)
corrbytes = BAS_HIGHFRAME - BAS_NORMFRAME;
else if (corrbytes < BAS_LOWFRAME - BAS_NORMFRAME)
ifd->length += corrbytes;
atomic_add(-corrbytes, &ubc->corrbytes);
}
- //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);
if (ifd->offset < 0) {
if (ifd->offset == -EBUSY) {
- dbg(DEBUG_ISO, "%s: buffer busy at frame %d",
- __func__, nframe);
- /* tasklet will be restarted from gigaset_send_skb() */
+ gig_dbg(DEBUG_ISO,
+ "%s: buffer busy at frame %d",
+ __func__, nframe);
+ /* tasklet will be restarted from
+ gigaset_send_skb() */
} else {
- err("%s: buffer error %d at frame %d",
- __func__, ifd->offset, nframe);
+ dev_err(ucx->bcs->cs->dev,
+ "%s: buffer error %d at frame %d\n",
+ __func__, ifd->offset, nframe);
return ifd->offset;
}
break;
ifd->actual_length = 0;
}
if ((urb->number_of_packets = nframe) > 0) {
- if ((rc = usb_submit_urb(urb, SLAB_ATOMIC)) != 0) {
- err("could not submit isochronous write URB: %s",
- get_usb_statmsg(rc));
+ spin_lock_irqsave(&ucx->bcs->cs->lock, flags);
+ rc = ucx->bcs->cs->connected ? usb_submit_urb(urb, SLAB_ATOMIC) : -ENODEV;
+ spin_unlock_irqrestore(&ucx->bcs->cs->lock, flags);
+
+ if (rc) {
+ dev_err(ucx->bcs->cs->dev,
+ "could not submit isochronous write URB: %s\n",
+ get_usb_statmsg(rc));
dump_urb(DEBUG_ISO, "isoc write", urb);
return rc;
}
*/
static void write_iso_tasklet(unsigned long data)
{
- struct bc_state *bcs;
- struct bas_bc_state *ubc;
- struct cardstate *cs;
+ struct bc_state *bcs = (struct bc_state *) data;
+ struct bas_bc_state *ubc = bcs->hw.bas;
+ struct cardstate *cs = bcs->cs;
struct isow_urbctx_t *done, *next, *ovfl;
struct urb *urb;
struct usb_iso_packet_descriptor *ifd;
struct sk_buff *skb;
int len;
- bcs = (struct bc_state *) data;
- IFNULLRET(bcs);
- ubc = bcs->hw.bas;
- IFNULLRET(ubc);
- cs = bcs->cs;
- IFNULLRET(cs);
-
/* loop while completed URBs arrive in time */
for (;;) {
- if (unlikely(!atomic_read(&cs->connected))) {
- warn("%s: disconnected", __func__);
- return;
- }
-
if (unlikely(!(atomic_read(&ubc->running)))) {
- dbg(DEBUG_ISO, "%s: not running", __func__);
+ gig_dbg(DEBUG_ISO, "%s: not running", __func__);
return;
}
ubc->isooutovfl = NULL;
spin_unlock_irqrestore(&ubc->isooutlock, flags);
if (ovfl) {
- err("isochronous write buffer underrun - buy a faster machine :-)");
+ dev_err(cs->dev, "isochronous write buffer underrun\n");
error_hangup(bcs);
break;
}
spin_unlock_irqrestore(&ubc->isooutlock, flags);
if (next) {
/* couldn't put it back */
- err("losing isochronous write URB");
+ dev_err(cs->dev,
+ "losing isochronous write URB\n");
error_hangup(bcs);
}
}
* successfully sent
* - all following frames are not sent at all
*/
- dbg(DEBUG_ISO, "%s: URB partially completed", __func__);
+ gig_dbg(DEBUG_ISO, "%s: URB partially completed",
+ __func__);
offset = done->limit; /* just in case */
for (i = 0; i < BAS_NUMFRAMES; i++) {
ifd = &urb->iso_frame_desc[i];
if (ifd->status ||
ifd->actual_length != ifd->length) {
- warn("isochronous write: frame %d: %s, "
- "only %d of %d bytes sent",
+ dev_warn(cs->dev,
+ "isochronous write: frame %d: %s, "
+ "only %d of %d bytes sent\n",
i, get_usb_statmsg(ifd->status),
ifd->actual_length, ifd->length);
offset = (ifd->offset +
- ifd->actual_length)
- % BAS_OUTBUFSIZE;
+ ifd->actual_length)
+ % BAS_OUTBUFSIZE;
break;
}
}
ifd = &urb->iso_frame_desc[i];
if (ifd->status != -EINPROGRESS
|| ifd->actual_length != 0) {
- warn("isochronous write: frame %d: %s, "
- "%d of %d bytes sent",
+ dev_warn(cs->dev,
+ "isochronous write: frame %d: %s, "
+ "%d of %d bytes sent\n",
i, get_usb_statmsg(ifd->status),
ifd->actual_length, ifd->length);
offset = (ifd->offset +
- ifd->actual_length)
- % BAS_OUTBUFSIZE;
+ ifd->actual_length)
+ % BAS_OUTBUFSIZE;
break;
}
}
#endif
break;
- case -EPIPE: //FIXME is this the code for "underrun"?
- err("isochronous write stalled");
+ case -EPIPE: //FIXME is this the code for "underrun"?
+ dev_err(cs->dev, "isochronous write stalled\n");
error_hangup(bcs);
break;
default: /* severe trouble */
- warn("isochronous write: %s",
- get_usb_statmsg(urb->status));
+ dev_warn(cs->dev, "isochronous write: %s\n",
+ get_usb_statmsg(urb->status));
}
/* mark the write buffer area covered by this URB as free */
if (gigaset_isoc_buildframe(bcs, skb->data, len) == -EAGAIN) {
/* insufficient buffer space, push back onto queue */
skb_queue_head(&bcs->squeue, skb);
- dbg(DEBUG_ISO, "%s: skb requeued, qlen=%d",
- __func__, skb_queue_len(&bcs->squeue));
+ gig_dbg(DEBUG_ISO, "%s: skb requeued, qlen=%d",
+ __func__, skb_queue_len(&bcs->squeue));
break;
}
skb_pull(skb, len);
*/
static void read_iso_tasklet(unsigned long data)
{
- struct bc_state *bcs;
- struct bas_bc_state *ubc;
- struct cardstate *cs;
+ struct bc_state *bcs = (struct bc_state *) data;
+ struct bas_bc_state *ubc = bcs->hw.bas;
+ struct cardstate *cs = bcs->cs;
struct urb *urb;
char *rcvbuf;
unsigned long flags;
int totleft, numbytes, offset, frame, rc;
- bcs = (struct bc_state *) data;
- IFNULLRET(bcs);
- ubc = bcs->hw.bas;
- IFNULLRET(ubc);
- cs = bcs->cs;
- IFNULLRET(cs);
-
/* loop while more completed URBs arrive in the meantime */
for (;;) {
- if (!atomic_read(&cs->connected)) {
- warn("%s: disconnected", __func__);
- return;
- }
-
/* retrieve URB */
spin_lock_irqsave(&ubc->isoinlock, flags);
if (!(urb = ubc->isoindone)) {
}
ubc->isoindone = NULL;
if (unlikely(ubc->loststatus != -EINPROGRESS)) {
- warn("isochronous read overrun, dropped URB with status: %s, %d bytes lost",
- get_usb_statmsg(ubc->loststatus), ubc->isoinlost);
+ dev_warn(cs->dev,
+ "isochronous read overrun, "
+ "dropped URB with status: %s, %d bytes lost\n",
+ get_usb_statmsg(ubc->loststatus),
+ ubc->isoinlost);
ubc->loststatus = -EINPROGRESS;
}
spin_unlock_irqrestore(&ubc->isoinlock, flags);
if (unlikely(!(atomic_read(&ubc->running)))) {
- dbg(DEBUG_ISO, "%s: channel not running, dropped URB with status: %s",
- __func__, get_usb_statmsg(urb->status));
+ gig_dbg(DEBUG_ISO,
+ "%s: channel not running, "
+ "dropped URB with status: %s",
+ __func__, get_usb_statmsg(urb->status));
return;
}
break;
case -EXDEV: /* inspect individual frames
(we do that anyway) */
- dbg(DEBUG_ISO, "%s: URB partially completed", __func__);
+ gig_dbg(DEBUG_ISO, "%s: URB partially completed",
+ __func__);
break;
case -ENOENT:
case -ECONNRESET:
- dbg(DEBUG_ISO, "%s: URB canceled", __func__);
+ gig_dbg(DEBUG_ISO, "%s: URB canceled", __func__);
continue; /* -> skip */
case -EINPROGRESS: /* huh? */
- dbg(DEBUG_ISO, "%s: URB still pending", __func__);
+ gig_dbg(DEBUG_ISO, "%s: URB still pending", __func__);
continue; /* -> skip */
case -EPIPE:
- err("isochronous read stalled");
+ dev_err(cs->dev, "isochronous read stalled\n");
error_hangup(bcs);
continue; /* -> skip */
default: /* severe trouble */
- warn("isochronous read: %s",
- get_usb_statmsg(urb->status));
+ dev_warn(cs->dev, "isochronous read: %s\n",
+ get_usb_statmsg(urb->status));
goto error;
}
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));
+ dev_warn(cs->dev,
+ "isochronous read: frame %d: %s\n",
+ frame,
+ get_usb_statmsg(
+ urb->iso_frame_desc[frame].status));
break;
}
numbytes = urb->iso_frame_desc[frame].actual_length;
if (unlikely(numbytes > BAS_MAXFRAME)) {
- warn("isochronous read: frame %d: numbytes (%d) > BAS_MAXFRAME",
- frame, numbytes);
+ dev_warn(cs->dev,
+ "isochronous read: frame %d: "
+ "numbytes (%d) > BAS_MAXFRAME\n",
+ frame, numbytes);
break;
}
if (unlikely(numbytes > totleft)) {
- warn("isochronous read: frame %d: numbytes (%d) > totleft (%d)",
- frame, numbytes, totleft);
+ dev_warn(cs->dev,
+ "isochronous read: frame %d: "
+ "numbytes (%d) > totleft (%d)\n",
+ frame, numbytes, totleft);
break;
}
offset = urb->iso_frame_desc[frame].offset;
if (unlikely(offset + numbytes > BAS_INBUFSIZE)) {
- warn("isochronous read: frame %d: offset (%d) + numbytes (%d) > BAS_INBUFSIZE",
- frame, offset, numbytes);
+ dev_warn(cs->dev,
+ "isochronous read: frame %d: "
+ "offset (%d) + numbytes (%d) "
+ "> BAS_INBUFSIZE\n",
+ frame, offset, numbytes);
break;
}
gigaset_isoc_receive(rcvbuf + offset, numbytes, bcs);
totleft -= numbytes;
}
if (unlikely(totleft > 0))
- warn("isochronous read: %d data bytes missing",
- totleft);
+ dev_warn(cs->dev,
+ "isochronous read: %d data bytes missing\n",
+ totleft);
error:
/* URB processed, resubmit */
urb->iso_frame_desc[frame].status = 0;
urb->iso_frame_desc[frame].actual_length = 0;
}
- urb->dev = bcs->cs->hw.bas->udev; /* clobbered by USB subsystem */
+ /* urb->dev is clobbered by USB subsystem */
+ urb->dev = bcs->cs->hw.bas->udev;
urb->transfer_flags = URB_ISO_ASAP;
urb->number_of_packets = BAS_NUMFRAMES;
- if ((rc = usb_submit_urb(urb, SLAB_ATOMIC)) != 0) {
- err("could not resubmit isochronous read URB: %s",
- get_usb_statmsg(rc));
+ spin_lock_irqsave(&cs->lock, flags);
+ rc = cs->connected ? usb_submit_urb(urb, SLAB_ATOMIC) : -ENODEV;
+ spin_unlock_irqrestore(&cs->lock, flags);
+ if (rc) {
+ dev_err(cs->dev,
+ "could not resubmit isochronous read URB: %s\n",
+ get_usb_statmsg(rc));
dump_urb(DEBUG_ISO, "resubmit iso read", urb);
error_hangup(bcs);
}
static void req_timeout(unsigned long data)
{
struct bc_state *bcs = (struct bc_state *) data;
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = bcs->cs->hw.bas;
int pending;
unsigned long flags;
- IFNULLRET(bcs);
- IFNULLRET(bcs->cs);
- ucs = bcs->cs->hw.bas;
- IFNULLRET(ucs);
-
check_pending(ucs);
spin_lock_irqsave(&ucs->lock, flags);
switch (pending) {
case 0: /* no pending request */
- dbg(DEBUG_USBREQ, "%s: no request pending", __func__);
+ gig_dbg(DEBUG_USBREQ, "%s: no request pending", __func__);
break;
case HD_OPEN_ATCHANNEL:
- err("timeout opening AT channel");
+ dev_err(bcs->cs->dev, "timeout opening AT channel\n");
error_reset(bcs->cs);
break;
case HD_OPEN_B2CHANNEL:
case HD_OPEN_B1CHANNEL:
- err("timeout opening channel %d", bcs->channel + 1);
+ dev_err(bcs->cs->dev, "timeout opening channel %d\n",
+ bcs->channel + 1);
error_hangup(bcs);
break;
case HD_CLOSE_ATCHANNEL:
- err("timeout closing AT channel");
- //wake_up_interruptible(cs->initwait);
- //FIXME need own wait queue?
+ dev_err(bcs->cs->dev, "timeout closing AT channel\n");
break;
case HD_CLOSE_B2CHANNEL:
case HD_CLOSE_B1CHANNEL:
- err("timeout closing channel %d", bcs->channel + 1);
+ dev_err(bcs->cs->dev, "timeout closing channel %d\n",
+ bcs->channel + 1);
break;
default:
- warn("request 0x%02x timed out, clearing", pending);
+ dev_warn(bcs->cs->dev, "request 0x%02x timed out, clearing\n",
+ pending);
}
}
*/
static void write_ctrl_callback(struct urb *urb, struct pt_regs *regs)
{
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = urb->context;
unsigned long flags;
- IFNULLRET(urb);
- IFNULLRET(urb->context);
- IFNULLRET(cardstate);
-
- ucs = (struct bas_cardstate *) urb->context;
spin_lock_irqsave(&ucs->lock, flags);
if (urb->status && ucs->pending) {
- err("control request 0x%02x failed: %s",
- ucs->pending, get_usb_statmsg(urb->status));
+ dev_err(&ucs->interface->dev,
+ "control request 0x%02x failed: %s\n",
+ ucs->pending, get_usb_statmsg(urb->status));
del_timer(&ucs->timer_ctrl);
ucs->pending = 0;
}
*/
static int req_submit(struct bc_state *bcs, int req, int val, int timeout)
{
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = bcs->cs->hw.bas;
int ret;
unsigned long flags;
- IFNULLRETVAL(bcs, -EINVAL);
- IFNULLRETVAL(bcs->cs, -EINVAL);
- ucs = bcs->cs->hw.bas;
- IFNULLRETVAL(ucs, -EINVAL);
- IFNULLRETVAL(ucs->urb_ctrl, -EINVAL);
-
- dbg(DEBUG_USBREQ, "-------> 0x%02x (%d)", req, val);
+ gig_dbg(DEBUG_USBREQ, "-------> 0x%02x (%d)", req, val);
spin_lock_irqsave(&ucs->lock, flags);
if (ucs->pending) {
spin_unlock_irqrestore(&ucs->lock, flags);
- err("submission of request 0x%02x failed: request 0x%02x still pending",
- req, ucs->pending);
+ dev_err(bcs->cs->dev,
+ "submission of request 0x%02x failed: "
+ "request 0x%02x still pending\n",
+ req, ucs->pending);
return -EBUSY;
}
if (ucs->urb_ctrl->status == -EINPROGRESS) {
spin_unlock_irqrestore(&ucs->lock, flags);
- err("could not submit request 0x%02x: URB busy", req);
+ dev_err(bcs->cs->dev,
+ "could not submit request 0x%02x: URB busy\n", req);
return -EBUSY;
}
ucs->dr_ctrl.wIndex = 0;
ucs->dr_ctrl.wLength = 0;
usb_fill_control_urb(ucs->urb_ctrl, ucs->udev,
- usb_sndctrlpipe(ucs->udev, 0),
- (unsigned char*) &ucs->dr_ctrl, NULL, 0,
- write_ctrl_callback, ucs);
+ usb_sndctrlpipe(ucs->udev, 0),
+ (unsigned char*) &ucs->dr_ctrl, NULL, 0,
+ write_ctrl_callback, ucs);
if ((ret = usb_submit_urb(ucs->urb_ctrl, SLAB_ATOMIC)) != 0) {
- err("could not submit request 0x%02x: %s",
- req, get_usb_statmsg(ret));
+ dev_err(bcs->cs->dev, "could not submit request 0x%02x: %s\n",
+ req, get_usb_statmsg(ret));
spin_unlock_irqrestore(&ucs->lock, flags);
return ret;
}
ucs->pending = req;
if (timeout > 0) {
- dbg(DEBUG_USBREQ, "setting timeout of %d/10 secs", timeout);
+ gig_dbg(DEBUG_USBREQ, "setting timeout of %d/10 secs", timeout);
ucs->timer_ctrl.expires = jiffies + timeout * HZ / 10;
ucs->timer_ctrl.data = (unsigned long) bcs;
ucs->timer_ctrl.function = req_timeout;
{
int req, ret;
- IFNULLRETVAL(bcs, -EINVAL);
-
if ((ret = starturbs(bcs)) < 0) {
- err("could not start isochronous I/O for channel %d",
- bcs->channel + 1);
+ dev_err(bcs->cs->dev,
+ "could not start isochronous I/O for channel %d\n",
+ bcs->channel + 1);
error_hangup(bcs);
return ret;
}
req = bcs->channel ? HD_OPEN_B2CHANNEL : HD_OPEN_B1CHANNEL;
if ((ret = req_submit(bcs, req, 0, BAS_TIMEOUT)) < 0) {
- err("could not open channel %d: %s",
- bcs->channel + 1, get_usb_statmsg(ret));
+ dev_err(bcs->cs->dev, "could not open channel %d: %s\n",
+ bcs->channel + 1, get_usb_statmsg(ret));
stopurbs(bcs->hw.bas);
error_hangup(bcs);
}
{
int req, ret;
- IFNULLRETVAL(bcs, -EINVAL);
-
if (!(atomic_read(&bcs->cs->hw.bas->basstate) &
(bcs->channel ? BS_B2OPEN : BS_B1OPEN))) {
/* channel not running: just signal common.c */
req = bcs->channel ? HD_CLOSE_B2CHANNEL : HD_CLOSE_B1CHANNEL;
if ((ret = req_submit(bcs, req, 0, BAS_TIMEOUT)) < 0)
- err("could not submit HD_CLOSE_BxCHANNEL request: %s",
- get_usb_statmsg(ret));
+ dev_err(bcs->cs->dev,
+ "could not submit HD_CLOSE_BxCHANNEL request: %s\n",
+ get_usb_statmsg(ret));
return ret;
}
*/
static void complete_cb(struct cardstate *cs)
{
- struct cmdbuf_t *cb;
-
- IFNULLRET(cs);
- cb = cs->cmdbuf;
- IFNULLRET(cb);
+ struct cmdbuf_t *cb = cs->cmdbuf;
/* unqueue completed buffer */
cs->cmdbytes -= cs->curlen;
- dbg(DEBUG_TRANSCMD | DEBUG_LOCKCMD,
- "write_command: sent %u bytes, %u left",
- cs->curlen, cs->cmdbytes);
+ gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD,
+ "write_command: sent %u bytes, %u left",
+ cs->curlen, cs->cmdbytes);
if ((cs->cmdbuf = cb->next) != NULL) {
cs->cmdbuf->prev = NULL;
cs->curlen = cs->cmdbuf->len;
*/
static void write_command_callback(struct urb *urb, struct pt_regs *regs)
{
- struct cardstate *cs;
+ struct cardstate *cs = urb->context;
+ struct bas_cardstate *ucs = cs->hw.bas;
unsigned long flags;
- struct bas_cardstate *ucs;
-
- IFNULLRET(urb);
- cs = (struct cardstate *) urb->context;
- IFNULLRET(cs);
- ucs = cs->hw.bas;
- IFNULLRET(ucs);
/* check status */
switch (urb->status) {
case -ECONNRESET: /* canceled (async) */
case -EINPROGRESS: /* pending */
/* ignore silently */
- dbg(DEBUG_USBREQ,
- "%s: %s", __func__, get_usb_statmsg(urb->status));
+ gig_dbg(DEBUG_USBREQ, "%s: %s",
+ __func__, get_usb_statmsg(urb->status));
return;
default: /* any failure */
if (++ucs->retry_cmd_out > BAS_RETRY) {
- warn("command write: %s, giving up after %d retries",
- get_usb_statmsg(urb->status), ucs->retry_cmd_out);
+ dev_warn(cs->dev,
+ "command write: %s, "
+ "giving up after %d retries\n",
+ get_usb_statmsg(urb->status),
+ ucs->retry_cmd_out);
break;
}
if (cs->cmdbuf == NULL) {
- warn("command write: %s, cannot retry - cmdbuf gone",
- get_usb_statmsg(urb->status));
+ dev_warn(cs->dev,
+ "command write: %s, "
+ "cannot retry - cmdbuf gone\n",
+ get_usb_statmsg(urb->status));
break;
}
- notice("command write: %s, retry %d",
- get_usb_statmsg(urb->status), ucs->retry_cmd_out);
+ dev_notice(cs->dev, "command write: %s, retry %d\n",
+ get_usb_statmsg(urb->status), ucs->retry_cmd_out);
if (atwrite_submit(cs, cs->cmdbuf->buf, cs->cmdbuf->len) >= 0)
/* resubmitted - bypass regular exit block */
return;
static void atrdy_timeout(unsigned long data)
{
struct cardstate *cs = (struct cardstate *) data;
- struct bas_cardstate *ucs;
-
- IFNULLRET(cs);
- ucs = cs->hw.bas;
- IFNULLRET(ucs);
+ struct bas_cardstate *ucs = cs->hw.bas;
- warn("timeout waiting for HD_READY_SEND_ATDATA");
+ dev_warn(cs->dev, "timeout waiting for HD_READY_SEND_ATDATA\n");
/* fake the missing signal - what else can I do? */
update_basstate(ucs, BS_ATREADY, BS_ATTIMER);
*/
static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len)
{
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = cs->hw.bas;
+ unsigned long flags;
int ret;
- IFNULLRETVAL(cs, -EFAULT);
- ucs = cs->hw.bas;
- IFNULLRETVAL(ucs, -EFAULT);
- IFNULLRETVAL(ucs->urb_cmd_out, -EFAULT);
-
- dbg(DEBUG_USBREQ, "-------> HD_WRITE_ATMESSAGE (%d)", len);
+ gig_dbg(DEBUG_USBREQ, "-------> HD_WRITE_ATMESSAGE (%d)", len);
if (ucs->urb_cmd_out->status == -EINPROGRESS) {
- err("could not submit HD_WRITE_ATMESSAGE: URB busy");
+ dev_err(cs->dev,
+ "could not submit HD_WRITE_ATMESSAGE: URB busy\n");
return -EBUSY;
}
(unsigned char*) &ucs->dr_cmd_out, buf, len,
write_command_callback, cs);
- if ((ret = usb_submit_urb(ucs->urb_cmd_out, SLAB_ATOMIC)) != 0) {
- err("could not submit HD_WRITE_ATMESSAGE: %s",
- get_usb_statmsg(ret));
+ spin_lock_irqsave(&cs->lock, flags);
+ ret = cs->connected ? usb_submit_urb(ucs->urb_cmd_out, SLAB_ATOMIC) : -ENODEV;
+ spin_unlock_irqrestore(&cs->lock, flags);
+
+ if (ret) {
+ dev_err(cs->dev, "could not submit HD_WRITE_ATMESSAGE: %s\n",
+ get_usb_statmsg(ret));
return ret;
}
/* start timeout if necessary */
if (!(atomic_read(&ucs->basstate) & BS_ATTIMER)) {
- dbg(DEBUG_OUTPUT,
- "setting ATREADY timeout of %d/10 secs", ATRDY_TIMEOUT);
+ gig_dbg(DEBUG_OUTPUT, "setting ATREADY timeout of %d/10 secs",
+ ATRDY_TIMEOUT);
ucs->timer_atrdy.expires = jiffies + ATRDY_TIMEOUT * HZ / 10;
ucs->timer_atrdy.data = (unsigned long) cs;
ucs->timer_atrdy.function = atrdy_timeout;
static int start_cbsend(struct cardstate *cs)
{
struct cmdbuf_t *cb;
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = cs->hw.bas;
unsigned long flags;
int rc;
int retval = 0;
- IFNULLRETVAL(cs, -EFAULT);
- ucs = cs->hw.bas;
- IFNULLRETVAL(ucs, -EFAULT);
-
/* check if AT channel is open */
if (!(atomic_read(&ucs->basstate) & BS_ATOPEN)) {
- dbg(DEBUG_TRANSCMD | DEBUG_LOCKCMD, "AT channel not open");
+ gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD, "AT channel not open");
rc = req_submit(cs->bcs, HD_OPEN_ATCHANNEL, 0, BAS_TIMEOUT);
if (rc < 0) {
- err("could not open AT channel");
+ dev_err(cs->dev, "could not open AT channel\n");
/* flush command queue */
spin_lock_irqsave(&cs->cmdlock, flags);
while (cs->cmdbuf != NULL)
* error code < 0 on error
*/
static int gigaset_write_cmd(struct cardstate *cs,
- const unsigned char *buf, int len,
- struct tasklet_struct *wake_tasklet)
+ const unsigned char *buf, int len,
+ struct tasklet_struct *wake_tasklet)
{
struct cmdbuf_t *cb;
unsigned long flags;
int status;
gigaset_dbg_buffer(atomic_read(&cs->mstate) != MS_LOCKED ?
- DEBUG_TRANSCMD : DEBUG_LOCKCMD,
- "CMD Transmit", len, buf, 0);
-
- if (!atomic_read(&cs->connected)) {
- err("%s: not connected", __func__);
- return -ENODEV;
- }
+ DEBUG_TRANSCMD : DEBUG_LOCKCMD,
+ "CMD Transmit", len, buf);
if (len <= 0)
return 0; /* nothing to do */
if (len > IF_WRITEBUF)
len = IF_WRITEBUF;
if (!(cb = kmalloc(sizeof(struct cmdbuf_t) + len, GFP_ATOMIC))) {
- err("%s: out of memory", __func__);
+ dev_err(cs->dev, "%s: out of memory\n", __func__);
return -ENOMEM;
}
return 0;
}
tasklet_init(&ubc->sent_tasklet,
- &write_iso_tasklet, (unsigned long) bcs);
+ &write_iso_tasklet, (unsigned long) bcs);
spin_lock_init(&ubc->isoinlock);
for (i = 0; i < BAS_INURBS; ++i)
ubc->shared0s = 0;
ubc->stolen0s = 0;
tasklet_init(&ubc->rcvd_tasklet,
- &read_iso_tasklet, (unsigned long) bcs);
+ &read_iso_tasklet, (unsigned long) bcs);
return 1;
}
*/
static void freeurbs(struct cardstate *cs)
{
- struct bas_cardstate *ucs;
+ struct bas_cardstate *ucs = cs->hw.bas;
struct bas_bc_state *ubc;
int i, j;
- IFNULLRET(cs);
- ucs = cs->hw.bas;
- IFNULLRET(ucs);
-
for (j = 0; j < 2; ++j) {
ubc = cs->bcs[j].hw.bas;
- IFNULLCONT(ubc);
for (i = 0; i < BAS_OUTURBS; ++i)
if (ubc->isoouturbs[i].urb) {
usb_kill_urb(ubc->isoouturbs[i].urb);
- dbg(DEBUG_INIT,
- "%s: isoc output URB %d/%d unlinked",
- __func__, j, i);
+ gig_dbg(DEBUG_INIT,
+ "%s: isoc output URB %d/%d unlinked",
+ __func__, j, i);
usb_free_urb(ubc->isoouturbs[i].urb);
ubc->isoouturbs[i].urb = NULL;
}
for (i = 0; i < BAS_INURBS; ++i)
if (ubc->isoinurbs[i]) {
usb_kill_urb(ubc->isoinurbs[i]);
- dbg(DEBUG_INIT,
- "%s: isoc input URB %d/%d unlinked",
- __func__, j, i);
+ gig_dbg(DEBUG_INIT,
+ "%s: isoc input URB %d/%d unlinked",
+ __func__, j, i);
usb_free_urb(ubc->isoinurbs[i]);
ubc->isoinurbs[i] = NULL;
}
}
if (ucs->urb_int_in) {
usb_kill_urb(ucs->urb_int_in);
- dbg(DEBUG_INIT, "%s: interrupt input URB unlinked", __func__);
+ gig_dbg(DEBUG_INIT, "%s: interrupt input URB unlinked",
+ __func__);
usb_free_urb(ucs->urb_int_in);
ucs->urb_int_in = NULL;
}
if (ucs->urb_cmd_out) {
usb_kill_urb(ucs->urb_cmd_out);
- dbg(DEBUG_INIT, "%s: command output URB unlinked", __func__);
+ gig_dbg(DEBUG_INIT, "%s: command output URB unlinked",
+ __func__);
usb_free_urb(ucs->urb_cmd_out);
ucs->urb_cmd_out = NULL;
}
if (ucs->urb_cmd_in) {
usb_kill_urb(ucs->urb_cmd_in);
- dbg(DEBUG_INIT, "%s: command input URB unlinked", __func__);
+ gig_dbg(DEBUG_INIT, "%s: command input URB unlinked",
+ __func__);
usb_free_urb(ucs->urb_cmd_in);
ucs->urb_cmd_in = NULL;
}
if (ucs->urb_ctrl) {
usb_kill_urb(ucs->urb_ctrl);
- dbg(DEBUG_INIT, "%s: control output URB unlinked", __func__);
+ gig_dbg(DEBUG_INIT, "%s: control output URB unlinked",
+ __func__);
usb_free_urb(ucs->urb_ctrl);
ucs->urb_ctrl = NULL;
}
int i, j;
int ret;
- IFNULLRETVAL(udev, -ENODEV);
-
- dbg(DEBUG_ANY,
- "%s: Check if device matches .. (Vendor: 0x%x, Product: 0x%x)",
- __func__, le16_to_cpu(udev->descriptor.idVendor),
- le16_to_cpu(udev->descriptor.idProduct));
+ gig_dbg(DEBUG_ANY,
+ "%s: Check if device matches .. (Vendor: 0x%x, Product: 0x%x)",
+ __func__, le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct));
/* See if the device offered us matches what we can accept */
if ((le16_to_cpu(udev->descriptor.idVendor) != USB_GIGA_VENDOR_ID) ||
le16_to_cpu(udev->descriptor.idProduct) != USB_4175_PRODUCT_ID &&
le16_to_cpu(udev->descriptor.idProduct) != USB_SX303_PRODUCT_ID &&
le16_to_cpu(udev->descriptor.idProduct) != USB_SX353_PRODUCT_ID)) {
- dbg(DEBUG_ANY, "%s: unmatched ID - exiting", __func__);
+ gig_dbg(DEBUG_ANY, "%s: unmatched ID - exiting", __func__);
return -ENODEV;
}
/* set required alternate setting */
hostif = interface->cur_altsetting;
if (hostif->desc.bAlternateSetting != 3) {
- dbg(DEBUG_ANY,
- "%s: wrong alternate setting %d - trying to switch",
- __func__, hostif->desc.bAlternateSetting);
+ gig_dbg(DEBUG_ANY,
+ "%s: wrong alternate setting %d - trying to switch",
+ __func__, hostif->desc.bAlternateSetting);
if (usb_set_interface(udev, hostif->desc.bInterfaceNumber, 3) < 0) {
- warn("usb_set_interface failed, device %d interface %d altsetting %d",
- udev->devnum, hostif->desc.bInterfaceNumber,
- hostif->desc.bAlternateSetting);
+ dev_warn(&udev->dev, "usb_set_interface failed, "
+ "device %d interface %d altsetting %d\n",
+ udev->devnum, hostif->desc.bInterfaceNumber,
+ hostif->desc.bAlternateSetting);
return -ENODEV;
}
hostif = interface->cur_altsetting;
/* Reject application specific interfaces
*/
if (hostif->desc.bInterfaceClass != 255) {
- warn("%s: bInterfaceClass == %d",
- __func__, hostif->desc.bInterfaceClass);
+ dev_warn(&udev->dev, "%s: bInterfaceClass == %d\n",
+ __func__, hostif->desc.bInterfaceClass);
return -ENODEV;
}
- info("%s: Device matched (Vendor: 0x%x, Product: 0x%x)",
- __func__, le16_to_cpu(udev->descriptor.idVendor),
- le16_to_cpu(udev->descriptor.idProduct));
+ dev_info(&udev->dev,
+ "%s: Device matched (Vendor: 0x%x, Product: 0x%x)\n",
+ __func__, le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct));
cs = gigaset_getunassignedcs(driver);
if (!cs) {
- err("%s: no free cardstate", __func__);
+ dev_err(&udev->dev, "no free cardstate\n");
return -ENODEV;
}
ucs = cs->hw.bas;
+
+ /* save off device structure ptrs for later use */
+ usb_get_dev(udev);
ucs->udev = udev;
ucs->interface = interface;
+ cs->dev = &interface->dev;
/* allocate URBs:
* - one for the interrupt pipe
*/
ucs->urb_int_in = usb_alloc_urb(0, SLAB_KERNEL);
if (!ucs->urb_int_in) {
- err("No free urbs available");
+ dev_err(cs->dev, "no free urbs available\n");
goto error;
}
ucs->urb_cmd_in = usb_alloc_urb(0, SLAB_KERNEL);
if (!ucs->urb_cmd_in) {
- err("No free urbs available");
+ dev_err(cs->dev, "no free urbs available\n");
goto error;
}
ucs->urb_cmd_out = usb_alloc_urb(0, SLAB_KERNEL);
if (!ucs->urb_cmd_out) {
- err("No free urbs available");
+ dev_err(cs->dev, "no free urbs available\n");
goto error;
}
ucs->urb_ctrl = usb_alloc_urb(0, SLAB_KERNEL);
if (!ucs->urb_ctrl) {
- err("No free urbs available");
+ dev_err(cs->dev, "no free urbs available\n");
goto error;
}
ubc->isoouturbs[i].urb =
usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL);
if (!ubc->isoouturbs[i].urb) {
- err("No free urbs available");
+ dev_err(cs->dev, "no free urbs available\n");
goto error;
}
}
ubc->isoinurbs[i] =
usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL);
if (!ubc->isoinurbs[i]) {
- err("No free urbs available");
+ dev_err(cs->dev, "no free urbs available\n");
goto error;
}
}
/* Fill the interrupt urb and send it to the core */
endpoint = &hostif->endpoint[0].desc;
usb_fill_int_urb(ucs->urb_int_in, udev,
- usb_rcvintpipe(udev,
- (endpoint->bEndpointAddress) & 0x0f),
- ucs->int_in_buf, 3, read_int_callback, cs,
- endpoint->bInterval);
+ usb_rcvintpipe(udev,
+ (endpoint->bEndpointAddress) & 0x0f),
+ ucs->int_in_buf, 3, read_int_callback, cs,
+ endpoint->bInterval);
ret = usb_submit_urb(ucs->urb_int_in, SLAB_KERNEL);
if (ret) {
- err("could not submit interrupt URB: %s", get_usb_statmsg(ret));
+ dev_err(cs->dev, "could not submit interrupt URB: %s\n",
+ get_usb_statmsg(ret));
goto error;
}
/* tell common part that the device is ready */
if (startmode == SM_LOCKED)
atomic_set(&cs->mstate, MS_LOCKED);
- if (!gigaset_start(cs))
- goto error;
/* save address of controller structure */
usb_set_intfdata(interface, cs);
- /* set up device sysfs */
- gigaset_init_dev_sysfs(interface);
+ if (!gigaset_start(cs))
+ goto error;
+
return 0;
error:
freeurbs(cs);
+ usb_set_intfdata(interface, NULL);
gigaset_unassign(cs);
return -ENODEV;
}
struct cardstate *cs;
struct bas_cardstate *ucs;
- /* clear device sysfs */
- gigaset_free_dev_sysfs(interface);
-
cs = usb_get_intfdata(interface);
- usb_set_intfdata(interface, NULL);
- IFNULLRET(cs);
ucs = cs->hw.bas;
- IFNULLRET(ucs);
- info("disconnecting GigaSet base");
+ dev_info(cs->dev, "disconnecting Gigaset base\n");
gigaset_stop(cs);
freeurbs(cs);
+ usb_set_intfdata(interface, NULL);
kfree(ucs->rcvbuf);
ucs->rcvbuf = NULL;
ucs->rcvbuf_size = 0;
atomic_set(&ucs->basstate, 0);
+ usb_put_dev(ucs->udev);
+ ucs->interface = NULL;
+ ucs->udev = NULL;
+ cs->dev = NULL;
gigaset_unassign(cs);
}
/* allocate memory for our driver state and intialize it */
if ((driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
- GIGASET_MODULENAME, GIGASET_DEVNAME,
- GIGASET_DEVFSNAME, &gigops,
- THIS_MODULE)) == NULL)
+ GIGASET_MODULENAME, GIGASET_DEVNAME,
+ GIGASET_DEVFSNAME, &gigops,
+ THIS_MODULE)) == NULL)
goto error;
/* allocate memory for our device state and intialize it */
static void __exit bas_gigaset_exit(void)
{
gigaset_blockdriver(driver); /* => probe will fail
- * => no gigaset_start any more
- */
+ * => no gigaset_start any more
+ */
gigaset_shutdown(cardstate);
/* from now on, no isdn callback should be possible */
if (atomic_read(&cardstate->hw.bas->basstate) & BS_ATOPEN) {
- dbg(DEBUG_ANY, "closing AT channel");
+ gig_dbg(DEBUG_ANY, "closing AT channel");
if (req_submit(cardstate->bcs,
- HD_CLOSE_ATCHANNEL, 0, BAS_TIMEOUT) >= 0) {
- /* successfully submitted - wait for completion */
- //wait_event_interruptible(cs->initwait, !cs->hw.bas->pending);
- //FIXME need own wait queue? wakeup?
+ HD_CLOSE_ATCHANNEL, 0, BAS_TIMEOUT) >= 0) {
+ /* successfully submitted */
+ //FIXME wait for completion?
}
}
git.openpandora.org / pandora-kernel.git / blobdiff