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path: root/drivers/isdn/hisax/st5481_b.c
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Diffstat (limited to 'drivers/isdn/hisax/st5481_b.c')
-rw-r--r--drivers/isdn/hisax/st5481_b.c124
1 files changed, 62 insertions, 62 deletions
diff --git a/drivers/isdn/hisax/st5481_b.c b/drivers/isdn/hisax/st5481_b.c
index ed4bc564dc63..409849165838 100644
--- a/drivers/isdn/hisax/st5481_b.c
+++ b/drivers/isdn/hisax/st5481_b.c
@@ -4,7 +4,7 @@
* Author Frode Isaksen
* Copyright 2001 by Frode Isaksen <fisaksen@bewan.com>
* 2001 by Kai Germaschewski <kai.germaschewski@gmx.de>
- *
+ *
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
@@ -27,33 +27,33 @@ static inline void B_L1L2(struct st5481_bcs *bcs, int pr, void *arg)
/*
* Encode and transmit next frame.
*/
-static void usb_b_out(struct st5481_bcs *bcs,int buf_nr)
+static void usb_b_out(struct st5481_bcs *bcs, int buf_nr)
{
struct st5481_b_out *b_out = &bcs->b_out;
struct st5481_adapter *adapter = bcs->adapter;
struct urb *urb;
- unsigned int packet_size,offset;
- int len,buf_size,bytes_sent;
+ unsigned int packet_size, offset;
+ int len, buf_size, bytes_sent;
int i;
struct sk_buff *skb;
-
+
if (test_and_set_bit(buf_nr, &b_out->busy)) {
- DBG(4,"ep %d urb %d busy",(bcs->channel+1)*2,buf_nr);
+ DBG(4, "ep %d urb %d busy", (bcs->channel + 1) * 2, buf_nr);
return;
}
urb = b_out->urb[buf_nr];
// Adjust isoc buffer size according to flow state
- if(b_out->flow_event & (OUT_DOWN | OUT_UNDERRUN)) {
- buf_size = NUM_ISO_PACKETS_B*SIZE_ISO_PACKETS_B_OUT + B_FLOW_ADJUST;
+ if (b_out->flow_event & (OUT_DOWN | OUT_UNDERRUN)) {
+ buf_size = NUM_ISO_PACKETS_B * SIZE_ISO_PACKETS_B_OUT + B_FLOW_ADJUST;
packet_size = SIZE_ISO_PACKETS_B_OUT + B_FLOW_ADJUST;
- DBG(4,"B%d,adjust flow,add %d bytes",bcs->channel+1,B_FLOW_ADJUST);
- } else if(b_out->flow_event & OUT_UP){
- buf_size = NUM_ISO_PACKETS_B*SIZE_ISO_PACKETS_B_OUT - B_FLOW_ADJUST;
+ DBG(4, "B%d,adjust flow,add %d bytes", bcs->channel + 1, B_FLOW_ADJUST);
+ } else if (b_out->flow_event & OUT_UP) {
+ buf_size = NUM_ISO_PACKETS_B * SIZE_ISO_PACKETS_B_OUT - B_FLOW_ADJUST;
packet_size = SIZE_ISO_PACKETS_B_OUT - B_FLOW_ADJUST;
- DBG(4,"B%d,adjust flow,remove %d bytes",bcs->channel+1,B_FLOW_ADJUST);
+ DBG(4, "B%d,adjust flow,remove %d bytes", bcs->channel + 1, B_FLOW_ADJUST);
} else {
- buf_size = NUM_ISO_PACKETS_B*SIZE_ISO_PACKETS_B_OUT;
+ buf_size = NUM_ISO_PACKETS_B * SIZE_ISO_PACKETS_B_OUT;
packet_size = 8;
}
b_out->flow_event = 0;
@@ -62,15 +62,15 @@ static void usb_b_out(struct st5481_bcs *bcs,int buf_nr)
while (len < buf_size) {
if ((skb = b_out->tx_skb)) {
DBG_SKB(0x100, skb);
- DBG(4,"B%d,len=%d",bcs->channel+1,skb->len);
-
- if (bcs->mode == L1_MODE_TRANS) {
+ DBG(4, "B%d,len=%d", bcs->channel + 1, skb->len);
+
+ if (bcs->mode == L1_MODE_TRANS) {
bytes_sent = buf_size - len;
if (skb->len < bytes_sent)
bytes_sent = skb->len;
{ /* swap tx bytes to get hearable audio data */
register unsigned char *src = skb->data;
- register unsigned char *dest = urb->transfer_buffer+len;
+ register unsigned char *dest = urb->transfer_buffer + len;
register unsigned int count;
for (count = 0; count < bytes_sent; count++)
*dest++ = bitrev8(*src++);
@@ -79,7 +79,7 @@ static void usb_b_out(struct st5481_bcs *bcs,int buf_nr)
} else {
len += isdnhdlc_encode(&b_out->hdlc_state,
skb->data, skb->len, &bytes_sent,
- urb->transfer_buffer+len, buf_size-len);
+ urb->transfer_buffer + len, buf_size-len);
}
skb_pull(skb, bytes_sent);
@@ -90,21 +90,21 @@ static void usb_b_out(struct st5481_bcs *bcs,int buf_nr)
B_L1L2(bcs, PH_DATA | CONFIRM, (void *)(unsigned long) skb->truesize);
dev_kfree_skb_any(skb);
-/* if (!(bcs->tx_skb = skb_dequeue(&bcs->sq))) { */
-/* st5481B_sched_event(bcs, B_XMTBUFREADY); */
-/* } */
+/* if (!(bcs->tx_skb = skb_dequeue(&bcs->sq))) { */
+/* st5481B_sched_event(bcs, B_XMTBUFREADY); */
+/* } */
}
} else {
if (bcs->mode == L1_MODE_TRANS) {
- memset(urb->transfer_buffer+len, 0xff, buf_size-len);
+ memset(urb->transfer_buffer + len, 0xff, buf_size-len);
len = buf_size;
} else {
// Send flags
len += isdnhdlc_encode(&b_out->hdlc_state,
NULL, 0, &bytes_sent,
- urb->transfer_buffer+len, buf_size-len);
+ urb->transfer_buffer + len, buf_size-len);
}
- }
+ }
}
// Prepare the URB
@@ -118,7 +118,7 @@ static void usb_b_out(struct st5481_bcs *bcs,int buf_nr)
urb->number_of_packets = i;
urb->dev = adapter->usb_dev;
- DBG_ISO_PACKET(0x200,urb);
+ DBG_ISO_PACKET(0x200, urb);
SUBMIT_URB(urb, GFP_NOIO);
}
@@ -131,12 +131,12 @@ static void st5481B_start_xfer(void *context)
{
struct st5481_bcs *bcs = context;
- DBG(4,"B%d",bcs->channel+1);
+ DBG(4, "B%d", bcs->channel + 1);
// Start transmitting (flags or data) on B channel
- usb_b_out(bcs,0);
- usb_b_out(bcs,1);
+ usb_b_out(bcs, 0);
+ usb_b_out(bcs, 1);
}
/*
@@ -158,7 +158,7 @@ static void led_blink(struct st5481_adapter *adapter)
} else {
leds &= ~GREEN_LED;
}
-
+
st5481_usb_device_ctrl_msg(adapter, GPIO_OUT, leds, NULL, NULL);
}
@@ -168,27 +168,27 @@ static void usb_b_out_complete(struct urb *urb)
struct st5481_b_out *b_out = &bcs->b_out;
struct st5481_adapter *adapter = bcs->adapter;
int buf_nr;
-
+
buf_nr = get_buf_nr(b_out->urb, urb);
test_and_clear_bit(buf_nr, &b_out->busy);
if (unlikely(urb->status < 0)) {
switch (urb->status) {
- case -ENOENT:
- case -ESHUTDOWN:
- case -ECONNRESET:
- DBG(4,"urb killed status %d", urb->status);
- return; // Give up
- default:
- WARNING("urb status %d",urb->status);
- if (b_out->busy == 0) {
- st5481_usb_pipe_reset(adapter, (bcs->channel+1)*2 | USB_DIR_OUT, NULL, NULL);
- }
- break;
+ case -ENOENT:
+ case -ESHUTDOWN:
+ case -ECONNRESET:
+ DBG(4, "urb killed status %d", urb->status);
+ return; // Give up
+ default:
+ WARNING("urb status %d", urb->status);
+ if (b_out->busy == 0) {
+ st5481_usb_pipe_reset(adapter, (bcs->channel + 1) * 2 | USB_DIR_OUT, NULL, NULL);
+ }
+ break;
}
}
- usb_b_out(bcs,buf_nr);
+ usb_b_out(bcs, buf_nr);
if (adapter->number_of_leds == 2)
led_blink(adapter);
@@ -202,7 +202,7 @@ static void st5481B_mode(struct st5481_bcs *bcs, int mode)
struct st5481_b_out *b_out = &bcs->b_out;
struct st5481_adapter *adapter = bcs->adapter;
- DBG(4,"B%d,mode=%d", bcs->channel + 1, mode);
+ DBG(4, "B%d,mode=%d", bcs->channel + 1, mode);
if (bcs->mode == mode)
return;
@@ -223,14 +223,14 @@ static void st5481B_mode(struct st5481_bcs *bcs, int mode)
features |= HDLC_56KBIT;
isdnhdlc_out_init(&b_out->hdlc_state, features);
}
- st5481_usb_pipe_reset(adapter, (bcs->channel+1)*2, NULL, NULL);
-
+ st5481_usb_pipe_reset(adapter, (bcs->channel + 1) * 2, NULL, NULL);
+
// Enable B channel interrupts
- st5481_usb_device_ctrl_msg(adapter, FFMSK_B1+(bcs->channel*2),
- OUT_UP+OUT_DOWN+OUT_UNDERRUN, NULL, NULL);
+ st5481_usb_device_ctrl_msg(adapter, FFMSK_B1 + (bcs->channel * 2),
+ OUT_UP + OUT_DOWN + OUT_UNDERRUN, NULL, NULL);
// Enable B channel FIFOs
- st5481_usb_device_ctrl_msg(adapter, OUT_B1_COUNTER+(bcs->channel*2), 32, st5481B_start_xfer, bcs);
+ st5481_usb_device_ctrl_msg(adapter, OUT_B1_COUNTER+(bcs->channel * 2), 32, st5481B_start_xfer, bcs);
if (adapter->number_of_leds == 4) {
if (bcs->channel == 0) {
adapter->leds |= B1_LED;
@@ -240,10 +240,10 @@ static void st5481B_mode(struct st5481_bcs *bcs, int mode)
}
} else {
// Disble B channel interrupts
- st5481_usb_device_ctrl_msg(adapter, FFMSK_B1+(bcs->channel*2), 0, NULL, NULL);
+ st5481_usb_device_ctrl_msg(adapter, FFMSK_B1+(bcs->channel * 2), 0, NULL, NULL);
// Disable B channel FIFOs
- st5481_usb_device_ctrl_msg(adapter, OUT_B1_COUNTER+(bcs->channel*2), 0, NULL, NULL);
+ st5481_usb_device_ctrl_msg(adapter, OUT_B1_COUNTER+(bcs->channel * 2), 0, NULL, NULL);
if (adapter->number_of_leds == 4) {
if (bcs->channel == 0) {
@@ -258,7 +258,7 @@ static void st5481B_mode(struct st5481_bcs *bcs, int mode)
dev_kfree_skb_any(b_out->tx_skb);
b_out->tx_skb = NULL;
}
-
+
}
}
@@ -268,9 +268,9 @@ static int st5481_setup_b_out(struct st5481_bcs *bcs)
struct usb_interface *intf;
struct usb_host_interface *altsetting = NULL;
struct usb_host_endpoint *endpoint;
- struct st5481_b_out *b_out = &bcs->b_out;
+ struct st5481_b_out *b_out = &bcs->b_out;
- DBG(4,"");
+ DBG(4, "");
intf = usb_ifnum_to_if(dev, 0);
if (intf)
@@ -281,11 +281,11 @@ static int st5481_setup_b_out(struct st5481_bcs *bcs)
// Allocate URBs and buffers for the B channel out
endpoint = &altsetting->endpoint[EP_B1_OUT - 1 + bcs->channel * 2];
- DBG(4,"endpoint address=%02x,packet size=%d",
+ DBG(4, "endpoint address=%02x,packet size=%d",
endpoint->desc.bEndpointAddress, le16_to_cpu(endpoint->desc.wMaxPacketSize));
// Allocate memory for 8000bytes/sec + extra bytes if underrun
- return st5481_setup_isocpipes(b_out->urb, dev,
+ return st5481_setup_isocpipes(b_out->urb, dev,
usb_sndisocpipe(dev, endpoint->desc.bEndpointAddress),
NUM_ISO_PACKETS_B, SIZE_ISO_PACKETS_B_OUT,
NUM_ISO_PACKETS_B * SIZE_ISO_PACKETS_B_OUT + B_FLOW_ADJUST,
@@ -296,7 +296,7 @@ static void st5481_release_b_out(struct st5481_bcs *bcs)
{
struct st5481_b_out *b_out = &bcs->b_out;
- DBG(4,"");
+ DBG(4, "");
st5481_release_isocpipes(b_out->urb);
}
@@ -305,7 +305,7 @@ int st5481_setup_b(struct st5481_bcs *bcs)
{
int retval;
- DBG(4,"");
+ DBG(4, "");
retval = st5481_setup_b_out(bcs);
if (retval)
@@ -324,9 +324,9 @@ int st5481_setup_b(struct st5481_bcs *bcs)
return 0;
- err_b_out:
+err_b_out:
st5481_release_b_out(bcs);
- err:
+err:
return retval;
}
@@ -335,7 +335,7 @@ int st5481_setup_b(struct st5481_bcs *bcs)
*/
void st5481_release_b(struct st5481_bcs *bcs)
{
- DBG(4,"");
+ DBG(4, "");
st5481_release_in(&bcs->b_in);
st5481_release_b_out(bcs);
@@ -365,12 +365,12 @@ void st5481_b_l2l1(struct hisax_if *ifc, int pr, void *arg)
break;
case PH_ACTIVATE | REQUEST:
mode = (long) arg;
- DBG(4,"B%d,PH_ACTIVATE_REQUEST %ld", bcs->channel + 1, mode);
+ DBG(4, "B%d,PH_ACTIVATE_REQUEST %ld", bcs->channel + 1, mode);
st5481B_mode(bcs, mode);
B_L1L2(bcs, PH_ACTIVATE | INDICATION, NULL);
break;
case PH_DEACTIVATE | REQUEST:
- DBG(4,"B%d,PH_DEACTIVATE_REQUEST", bcs->channel + 1);
+ DBG(4, "B%d,PH_DEACTIVATE_REQUEST", bcs->channel + 1);
st5481B_mode(bcs, L1_MODE_NULL);
B_L1L2(bcs, PH_DEACTIVATE | INDICATION, NULL);
break;