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path: root/drivers/media/dvb/siano/smsusb.c
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Diffstat (limited to 'drivers/media/dvb/siano/smsusb.c')
-rw-r--r--drivers/media/dvb/siano/smsusb.c209
1 files changed, 105 insertions, 104 deletions
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c
index ca9bb36544c..d9ce3ba0910 100644
--- a/drivers/media/dvb/siano/smsusb.c
+++ b/drivers/media/dvb/siano/smsusb.c
@@ -57,8 +57,8 @@ typedef struct _smsusb_device
smsusb_urb_t surbs[MAX_URBS];
- int response_alignment;
- int buffer_size;
+ int response_alignment;
+ int buffer_size;
} *psmsusb_device_t;
int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb);
@@ -68,44 +68,50 @@ void smsusb_onresponse(struct urb *urb)
smsusb_urb_t *surb = (smsusb_urb_t *) urb->context;
smsusb_device_t *dev = surb->dev;
- if (urb->status < 0)
- {
- printk(KERN_INFO "%s error, urb status %d, %d bytes\n", __func__, urb->status, urb->actual_length);
+ if (urb->status < 0) {
+ printk(KERN_INFO "%s error, urb status %d, %d bytes\n",
+ __func__, urb->status, urb->actual_length);
return;
}
- if (urb->actual_length > 0)
- {
+ if (urb->actual_length > 0) {
SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *) surb->cb->p;
- if (urb->actual_length >= phdr->msgLength)
- {
+ if (urb->actual_length >= phdr->msgLength) {
surb->cb->size = phdr->msgLength;
- if (dev->response_alignment && (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG))
- {
- surb->cb->offset = dev->response_alignment + ((phdr->msgFlags >> 8) & 3);
-
- // sanity check
- if (((int) phdr->msgLength + surb->cb->offset) > urb->actual_length)
- {
- printk("%s: invalid response msglen %d offset %d size %d\n", __func__, phdr->msgLength, surb->cb->offset, urb->actual_length);
+ if (dev->response_alignment &&
+ (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
+
+ surb->cb->offset =
+ dev->response_alignment +
+ ((phdr->msgFlags >> 8) & 3);
+
+ /* sanity check */
+ if (((int) phdr->msgLength +
+ surb->cb->offset) > urb->actual_length) {
+ printk(KERN_INFO "%s: invalid "
+ "response msglen %d offset %d "
+ "size %d\n", __func__,
+ phdr->msgLength,
+ surb->cb->offset,
+ urb->actual_length);
goto exit_and_resubmit;
}
- // move buffer pointer and copy header to its new location
+ /* move buffer pointer and
+ * copy header to its new location */
memcpy((char *) phdr + surb->cb->offset,
phdr, sizeof(SmsMsgHdr_ST));
- }
- else
+ } else
surb->cb->offset = 0;
smscore_onresponse(dev->coredev, surb->cb);
surb->cb = NULL;
- }
- else
- {
- printk("%s invalid response msglen %d actual %d\n", __func__, phdr->msgLength, urb->actual_length);
+ } else {
+ printk(KERN_INFO "%s invalid response "
+ "msglen %d actual %d\n", __func__,
+ phdr->msgLength, urb->actual_length);
}
}
@@ -115,12 +121,11 @@ exit_and_resubmit:
int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb)
{
- if (!surb->cb)
- {
+ if (!surb->cb) {
surb->cb = smscore_getbuffer(dev->coredev);
- if (!surb->cb)
- {
- printk(KERN_INFO "%s smscore_getbuffer(...) returned NULL\n", __func__);
+ if (!surb->cb) {
+ printk(KERN_INFO "%s smscore_getbuffer(...) "
+ "returned NULL\n", __func__);
return -ENOMEM;
}
}
@@ -144,12 +149,10 @@ void smsusb_stop_streaming(smsusb_device_t *dev)
{
int i;
- for (i = 0; i < MAX_URBS; i ++)
- {
+ for (i = 0; i < MAX_URBS; i ++) {
usb_kill_urb(&dev->surbs[i].urb);
- if (dev->surbs[i].cb)
- {
+ if (dev->surbs[i].cb) {
smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
dev->surbs[i].cb = NULL;
}
@@ -160,12 +163,11 @@ int smsusb_start_streaming(smsusb_device_t *dev)
{
int i, rc;
- for (i = 0; i < MAX_URBS; i ++)
- {
+ for (i = 0; i < MAX_URBS; i ++) {
rc = smsusb_submit_urb(dev, &dev->surbs[i]);
- if (rc < 0)
- {
- printk(KERN_INFO "%s smsusb_submit_urb(...) failed\n", __func__);
+ if (rc < 0) {
+ printk(KERN_INFO "%s smsusb_submit_urb(...) "
+ "failed\n", __func__);
smsusb_stop_streaming(dev);
break;
}
@@ -179,11 +181,11 @@ int smsusb_sendrequest(void *context, void *buffer, size_t size)
smsusb_device_t *dev = (smsusb_device_t *) context;
int dummy;
- return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), buffer, size, &dummy, 1000);
+ return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
+ buffer, size, &dummy, 1000);
}
-char *smsusb1_fw_lkup[] =
-{
+char *smsusb1_fw_lkup[] = {
"dvbt_stellar_usb.inp",
"dvbh_stellar_usb.inp",
"tdmb_stellar_usb.inp",
@@ -197,32 +199,31 @@ int smsusb1_load_firmware(struct usb_device *udev, int id)
u8 *fw_buffer;
int rc, dummy;
- if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA)
- {
- printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, id);
+ if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
+ printk(KERN_INFO "%s invalid firmware id specified %d\n",
+ __func__, id);
return -EINVAL;
}
rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
- if (rc < 0)
- {
- printk(KERN_INFO "%s failed to open \"%s\" mode %d\n", __func__, smsusb1_fw_lkup[id], id);
+ if (rc < 0) {
+ printk(KERN_INFO "%s failed to open \"%s\" mode %d\n",
+ __func__, smsusb1_fw_lkup[id], id);
return rc;
}
fw_buffer = kmalloc(fw->size, GFP_KERNEL);
- if (fw_buffer)
- {
+ if (fw_buffer) {
memcpy(fw_buffer, fw->data, fw->size);
- rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), fw_buffer, fw->size, &dummy, 1000);
+ rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
+ fw_buffer, fw->size, &dummy, 1000);
- printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n", __func__, fw->size, dummy, rc);
+ printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n",
+ __func__, fw->size, dummy, rc);
kfree(fw_buffer);
- }
- else
- {
+ } else {
printk(KERN_INFO "failed to allocate firmware buffer\n");
rc = -ENOMEM;
}
@@ -238,33 +239,29 @@ void smsusb1_detectmode(void *context, int *mode)
*mode = DEVICE_MODE_NONE;
- if (!product_string)
- {
+ if (!product_string) {
product_string = "none";
printk("%s product string not found\n", __func__);
- }
- else
- {
- if (strstr(product_string, "DVBH"))
- *mode = 1;
- else if (strstr(product_string, "BDA"))
- *mode = 4;
- else if (strstr(product_string, "DVBT"))
- *mode = 0;
- else if (strstr(product_string, "TDMB"))
- *mode = 2;
- }
+ } else if (strstr(product_string, "DVBH"))
+ *mode = 1;
+ else if (strstr(product_string, "BDA"))
+ *mode = 4;
+ else if (strstr(product_string, "DVBT"))
+ *mode = 0;
+ else if (strstr(product_string, "TDMB"))
+ *mode = 2;
printk("%s: %d \"%s\"\n", __func__, *mode, product_string);
}
int smsusb1_setmode(void *context, int mode)
{
- SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 };
+ SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
+ sizeof(SmsMsgHdr_ST), 0 };
- if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA)
- {
- printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, mode);
+ if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
+ printk(KERN_INFO "%s invalid firmware id specified %d\n",
+ __func__, mode);
return -EINVAL;
}
@@ -275,8 +272,7 @@ void smsusb_term_device(struct usb_interface *intf)
{
smsusb_device_t *dev = (smsusb_device_t *) usb_get_intfdata(intf);
- if (dev)
- {
+ if (dev) {
smsusb_stop_streaming(dev);
// unregister from smscore
@@ -299,9 +295,9 @@ int smsusb_init_device(struct usb_interface *intf)
// create device object
dev = kzalloc(sizeof(smsusb_device_t), GFP_KERNEL);
- if (!dev)
- {
- printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n", __func__);
+ if (!dev) {
+ printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n",
+ __func__);
return -ENOMEM;
}
@@ -336,7 +332,9 @@ int smsusb_init_device(struct usb_interface *intf)
}
dev->buffer_size = USB2_BUFFER_SIZE;
- dev->response_alignment = dev->udev->ep_in[1]->desc.wMaxPacketSize - sizeof(SmsMsgHdr_ST);
+ dev->response_alignment =
+ dev->udev->ep_in[1]->desc.wMaxPacketSize -
+ sizeof(SmsMsgHdr_ST);
params.flags |= SMS_DEVICE_FAMILY2;
break;
@@ -347,37 +345,37 @@ int smsusb_init_device(struct usb_interface *intf)
params.num_buffers = MAX_BUFFERS;
params.sendrequest_handler = smsusb_sendrequest;
params.context = dev;
- snprintf(params.devpath, sizeof(params.devpath), "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
+ snprintf(params.devpath, sizeof(params.devpath),
+ "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
- // register in smscore
+ /* register in smscore */
rc = smscore_register_device(&params, &dev->coredev);
- if (rc < 0)
- {
- printk(KERN_INFO "%s smscore_register_device(...) failed, rc %d\n", __func__, rc);
+ if (rc < 0) {
+ printk(KERN_INFO "%s smscore_register_device(...) failed, "
+ "rc %d\n", __func__, rc);
smsusb_term_device(intf);
return rc;
}
// initialize urbs
- for (i = 0; i < MAX_URBS; i ++)
- {
+ for (i = 0; i < MAX_URBS; i++) {
dev->surbs[i].dev = dev;
usb_init_urb(&dev->surbs[i].urb);
}
printk(KERN_INFO "%s smsusb_start_streaming(...).\n", __func__);
rc = smsusb_start_streaming(dev);
- if (rc < 0)
- {
- printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n", __func__);
+ if (rc < 0) {
+ printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n",
+ __func__);
smsusb_term_device(intf);
return rc;
}
rc = smscore_start_device(dev->coredev);
- if (rc < 0)
- {
- printk(KERN_INFO "%s smscore_start_device(...) failed\n", __func__);
+ if (rc < 0) {
+ printk(KERN_INFO "%s smscore_start_device(...) failed\n",
+ __func__);
smsusb_term_device(intf);
return rc;
}
@@ -396,29 +394,32 @@ int smsusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
- if (intf->num_altsetting > 0)
- {
+ if (intf->num_altsetting > 0) {
rc = usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
- if (rc < 0)
- {
- printk(KERN_INFO "%s usb_set_interface failed, rc %d\n", __func__, rc);
+ if (rc < 0) {
+ printk(KERN_INFO "%s usb_set_interface failed, "
+ "rc %d\n", __func__, rc);
return rc;
}
}
- printk(KERN_INFO "smsusb_probe %d\n", intf->cur_altsetting->desc.bInterfaceNumber);
+ printk(KERN_INFO "smsusb_probe %d\n",
+ intf->cur_altsetting->desc.bInterfaceNumber);
for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i ++)
- printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, intf->cur_altsetting->endpoint[i].desc.bmAttributes, intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
+ printk(KERN_INFO "endpoint %d %02x %02x %d\n", i,
+ intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
+ intf->cur_altsetting->endpoint[i].desc.bmAttributes,
+ intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
- if (udev->actconfig->desc.bNumInterfaces == 2 && intf->cur_altsetting->desc.bInterfaceNumber == 0)
- {
+ if ((udev->actconfig->desc.bNumInterfaces == 2) &&
+ (intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
printk(KERN_INFO "rom interface 0 is not used\n");
return -ENODEV;
}
- if (intf->cur_altsetting->desc.bInterfaceNumber == 1)
- {
- snprintf(devpath, sizeof(devpath), "usb\\%d-%s", udev->bus->busnum, udev->devpath);
+ if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
+ snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
+ udev->bus->busnum, udev->devpath);
printk(KERN_INFO "stellar device was found.\n");
return smsusb1_load_firmware(udev, smscore_registry_getmode(devpath));
}
@@ -444,7 +445,7 @@ MODULE_DEVICE_TABLE (usb, smsusb_id_table);
static struct usb_driver smsusb_driver = {
.name = "smsusb",
.probe = smsusb_probe,
- .disconnect = smsusb_disconnect,
+ .disconnect = smsusb_disconnect,
.id_table = smsusb_id_table,
};