* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
+#define DRV_NAME "lbtf_usb"
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "libertas_tf.h"
+#include "if_usb.h"
+
#include <linux/delay.h>
#include <linux/moduleparam.h>
#include <linux/firmware.h>
#include <linux/slab.h>
#include <linux/usb.h>
-#define DRV_NAME "lbtf_usb"
-
-#include "libertas_tf.h"
-#include "if_usb.h"
+#define INSANEDEBUG 0
+#define lbtf_deb_usb2(...) do { if (INSANEDEBUG) lbtf_deb_usbd(__VA_ARGS__); } while (0)
#define MESSAGE_HEADER_LEN 4
*/
static void if_usb_write_bulk_callback(struct urb *urb)
{
- if (urb->status != 0)
- printk(KERN_INFO "libertastf: URB in failure status: %d\n",
- urb->status);
+ if (urb->status != 0) {
+ /* print the failure status number for debug */
+ pr_info("URB in failure status: %d\n", urb->status);
+ } else {
+ lbtf_deb_usb2(&urb->dev->dev, "URB status is successful\n");
+ lbtf_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n",
+ urb->actual_length);
+ }
}
/**
*/
static void if_usb_free(struct if_usb_card *cardp)
{
+ lbtf_deb_enter(LBTF_DEB_USB);
+
/* Unlink tx & rx urb */
usb_kill_urb(cardp->tx_urb);
usb_kill_urb(cardp->rx_urb);
kfree(cardp->ep_out_buf);
cardp->ep_out_buf = NULL;
+
+ lbtf_deb_leave(LBTF_DEB_USB);
}
static void if_usb_setup_firmware(struct lbtf_private *priv)
struct if_usb_card *cardp = priv->card;
struct cmd_ds_set_boot2_ver b2_cmd;
+ lbtf_deb_enter(LBTF_DEB_USB);
+
if_usb_submit_rx_urb(cardp);
b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
b2_cmd.action = 0;
b2_cmd.version = cardp->boot2_version;
if (lbtf_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
- printk(KERN_INFO "libertastf: setting boot2 version failed\n");
+ lbtf_deb_usb("Setting boot2 version failed\n");
+
+ lbtf_deb_leave(LBTF_DEB_USB);
}
static void if_usb_fw_timeo(unsigned long priv)
{
struct if_usb_card *cardp = (void *)priv;
- if (!cardp->fwdnldover)
+ lbtf_deb_enter(LBTF_DEB_USB);
+ if (!cardp->fwdnldover) {
/* Download timed out */
cardp->priv->surpriseremoved = 1;
+ pr_err("Download timed out\n");
+ } else {
+ lbtf_deb_usb("Download complete, no event. Assuming success\n");
+ }
wake_up(&cardp->fw_wq);
+ lbtf_deb_leave(LBTF_DEB_USB);
}
/**
struct if_usb_card *cardp;
int i;
+ lbtf_deb_enter(LBTF_DEB_USB);
udev = interface_to_usbdev(intf);
cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
- if (!cardp)
+ if (!cardp) {
+ pr_err("Out of memory allocating private data.\n");
goto error;
+ }
setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp);
init_waitqueue_head(&cardp->fw_wq);
cardp->udev = udev;
iface_desc = intf->cur_altsetting;
+ lbtf_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
+ " bDeviceSubClass = 0x%X, bDeviceProtocol = 0x%X\n",
+ le16_to_cpu(udev->descriptor.bcdUSB),
+ udev->descriptor.bDeviceClass,
+ udev->descriptor.bDeviceSubClass,
+ udev->descriptor.bDeviceProtocol);
+
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
if (usb_endpoint_is_bulk_in(endpoint)) {
cardp->ep_in_size =
le16_to_cpu(endpoint->wMaxPacketSize);
cardp->ep_in = usb_endpoint_num(endpoint);
+
+ lbtf_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in);
+ lbtf_deb_usbd(&udev->dev, "Bulk in size is %d\n", cardp->ep_in_size);
} else if (usb_endpoint_is_bulk_out(endpoint)) {
cardp->ep_out_size =
le16_to_cpu(endpoint->wMaxPacketSize);
cardp->ep_out = usb_endpoint_num(endpoint);
+
+ lbtf_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out);
+ lbtf_deb_usbd(&udev->dev, "Bulk out size is %d\n",
+ cardp->ep_out_size);
}
}
- if (!cardp->ep_out_size || !cardp->ep_in_size)
+ if (!cardp->ep_out_size || !cardp->ep_in_size) {
+ lbtf_deb_usbd(&udev->dev, "Endpoints not found\n");
/* Endpoints not found */
goto dealloc;
+ }
cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!cardp->rx_urb)
+ if (!cardp->rx_urb) {
+ lbtf_deb_usbd(&udev->dev, "Rx URB allocation failed\n");
goto dealloc;
+ }
cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!cardp->tx_urb)
+ if (!cardp->tx_urb) {
+ lbtf_deb_usbd(&udev->dev, "Tx URB allocation failed\n");
goto dealloc;
+ }
cardp->cmd_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!cardp->cmd_urb)
+ if (!cardp->cmd_urb) {
+ lbtf_deb_usbd(&udev->dev, "Cmd URB allocation failed\n");
goto dealloc;
+ }
cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE,
GFP_KERNEL);
- if (!cardp->ep_out_buf)
+ if (!cardp->ep_out_buf) {
+ lbtf_deb_usbd(&udev->dev, "Could not allocate buffer\n");
goto dealloc;
+ }
priv = lbtf_add_card(cardp, &udev->dev);
if (!priv)
dealloc:
if_usb_free(cardp);
error:
+lbtf_deb_leave(LBTF_DEB_MAIN);
return -ENOMEM;
}
struct if_usb_card *cardp = usb_get_intfdata(intf);
struct lbtf_private *priv = (struct lbtf_private *) cardp->priv;
+ lbtf_deb_enter(LBTF_DEB_MAIN);
+
if_usb_reset_device(cardp);
if (priv)
usb_set_intfdata(intf, NULL);
usb_put_dev(interface_to_usbdev(intf));
+
+ lbtf_deb_leave(LBTF_DEB_MAIN);
}
/**
struct fwdata *fwdata = cardp->ep_out_buf;
u8 *firmware = (u8 *) cardp->fw->data;
+ lbtf_deb_enter(LBTF_DEB_FW);
+
/* If we got a CRC failure on the last block, back
up and retry it */
if (!cardp->CRC_OK) {
cardp->fwseqnum--;
}
+ lbtf_deb_usb2(&cardp->udev->dev, "totalbytes = %d\n",
+ cardp->totalbytes);
+
/* struct fwdata (which we sent to the card) has an
extra __le32 field in between the header and the data,
which is not in the struct fwheader in the actual
memcpy(fwdata->data, &firmware[cardp->totalbytes],
le32_to_cpu(fwdata->hdr.datalength));
+ lbtf_deb_usb2(&cardp->udev->dev, "Data length = %d\n",
+ le32_to_cpu(fwdata->hdr.datalength));
+
fwdata->seqnum = cpu_to_le32(++cardp->fwseqnum);
cardp->totalbytes += le32_to_cpu(fwdata->hdr.datalength);
usb_tx_block(cardp, cardp->ep_out_buf, sizeof(struct fwdata) +
le32_to_cpu(fwdata->hdr.datalength), 0);
- if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK))
+ if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
+ lbtf_deb_usb2(&cardp->udev->dev, "There are data to follow\n");
+ lbtf_deb_usb2(&cardp->udev->dev, "seqnum = %d totalbytes = %d\n",
+ cardp->fwseqnum, cardp->totalbytes);
+ } else if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_LAST_BLOCK)) {
+ lbtf_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n");
+ lbtf_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n");
+
/* Host has finished FW downloading
* Donwloading FW JUMP BLOCK
*/
cardp->fwfinalblk = 1;
+ }
+ lbtf_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n",
+ cardp->totalbytes);
+
+ lbtf_deb_leave(LBTF_DEB_FW);
return 0;
}
struct cmd_ds_802_11_reset *cmd = cardp->ep_out_buf + 4;
int ret;
+ lbtf_deb_enter(LBTF_DEB_USB);
+
*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
cmd->hdr.command = cpu_to_le16(CMD_802_11_RESET);
ret = usb_reset_device(cardp->udev);
msleep(100);
+ lbtf_deb_leave_args(LBTF_DEB_USB, "ret %d", ret);
+
return ret;
}
EXPORT_SYMBOL_GPL(if_usb_reset_device);
static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
uint16_t nb, u8 data)
{
+ int ret = -1;
struct urb *urb;
+ lbtf_deb_enter(LBTF_DEB_USB);
/* check if device is removed */
- if (cardp->priv->surpriseremoved)
- return -1;
+ if (cardp->priv->surpriseremoved) {
+ lbtf_deb_usbd(&cardp->udev->dev, "Device removed\n");
+ goto tx_ret;
+ }
if (data)
urb = cardp->tx_urb;
urb->transfer_flags |= URB_ZERO_PACKET;
- if (usb_submit_urb(urb, GFP_ATOMIC))
- return -1;
- return 0;
+ if (usb_submit_urb(urb, GFP_ATOMIC)) {
+ lbtf_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
+ goto tx_ret;
+ }
+
+ lbtf_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
+
+ ret = 0;
+
+tx_ret:
+ lbtf_deb_leave(LBTF_DEB_USB);
+ return ret;
}
static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
void (*callbackfn)(struct urb *urb))
{
struct sk_buff *skb;
+ int ret = -1;
+
+ lbtf_deb_enter(LBTF_DEB_USB);
skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE);
- if (!skb)
+ if (!skb) {
+ pr_err("No free skb\n");
+ lbtf_deb_leave(LBTF_DEB_USB);
return -1;
+ }
cardp->rx_skb = skb;
cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
- if (usb_submit_urb(cardp->rx_urb, GFP_ATOMIC)) {
+ lbtf_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb);
+ ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC);
+ if (ret) {
+ lbtf_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
kfree_skb(skb);
cardp->rx_skb = NULL;
+ lbtf_deb_leave(LBTF_DEB_USB);
return -1;
- } else
+ } else {
+ lbtf_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n");
+ lbtf_deb_leave(LBTF_DEB_USB);
return 0;
+ }
}
static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp)
struct fwsyncheader *syncfwheader;
struct bootcmdresp bcmdresp;
+ lbtf_deb_enter(LBTF_DEB_USB);
if (urb->status) {
+ lbtf_deb_usbd(&cardp->udev->dev,
+ "URB status is failed during fw load\n");
kfree_skb(skb);
+ lbtf_deb_leave(LBTF_DEB_USB);
return;
}
__le32 *tmp = (__le32 *)(skb->data);
if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
- tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY))
+ tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
/* Firmware ready event received */
+ pr_info("Firmware ready event received\n");
wake_up(&cardp->fw_wq);
- else
+ } else {
+ lbtf_deb_usb("Waiting for confirmation; got %x %x\n",
+ le32_to_cpu(tmp[0]), le32_to_cpu(tmp[1]));
if_usb_submit_rx_urb_fwload(cardp);
+ }
kfree_skb(skb);
+ lbtf_deb_leave(LBTF_DEB_USB);
return;
}
if (cardp->bootcmdresp <= 0) {
if_usb_submit_rx_urb_fwload(cardp);
cardp->bootcmdresp = 1;
/* Received valid boot command response */
+ lbtf_deb_usbd(&cardp->udev->dev,
+ "Received valid boot command response\n");
+ lbtf_deb_leave(LBTF_DEB_USB);
return;
}
if (bcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
if (bcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
bcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
- bcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION))
+ bcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
+ if (!cardp->bootcmdresp)
+ pr_info("Firmware already seems alive; resetting\n");
cardp->bootcmdresp = -1;
- } else if (bcmdresp.cmd == BOOT_CMD_FW_BY_USB &&
- bcmdresp.result == BOOT_CMD_RESP_OK)
+ } else {
+ pr_info("boot cmd response wrong magic number (0x%x)\n",
+ le32_to_cpu(bcmdresp.magic));
+ }
+ } else if (bcmdresp.cmd != BOOT_CMD_FW_BY_USB) {
+ pr_info("boot cmd response cmd_tag error (%d)\n",
+ bcmdresp.cmd);
+ } else if (bcmdresp.result != BOOT_CMD_RESP_OK) {
+ pr_info("boot cmd response result error (%d)\n",
+ bcmdresp.result);
+ } else {
cardp->bootcmdresp = 1;
+ lbtf_deb_usbd(&cardp->udev->dev,
+ "Received valid boot command response\n");
+ }
kfree_skb(skb);
if_usb_submit_rx_urb_fwload(cardp);
+ lbtf_deb_leave(LBTF_DEB_USB);
return;
}
syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
if (!syncfwheader) {
+ lbtf_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
kfree_skb(skb);
+ lbtf_deb_leave(LBTF_DEB_USB);
return;
}
memcpy(syncfwheader, skb->data, sizeof(struct fwsyncheader));
- if (!syncfwheader->cmd)
+ if (!syncfwheader->cmd) {
+ lbtf_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n");
+ lbtf_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n",
+ le32_to_cpu(syncfwheader->seqnum));
cardp->CRC_OK = 1;
- else
+ } else {
+ lbtf_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n");
cardp->CRC_OK = 0;
+ }
+
kfree_skb(skb);
/* reschedule timer for 200ms hence */
kfree(syncfwheader);
- return;
+ lbtf_deb_leave(LBTF_DEB_USB);
}
#define MRVDRV_MIN_PKT_LEN 30
{
if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN
|| recvlength < MRVDRV_MIN_PKT_LEN) {
+ lbtf_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n");
kfree_skb(skb);
return;
}
struct lbtf_private *priv)
{
if (recvlength > LBS_CMD_BUFFER_SIZE) {
+ lbtf_deb_usbd(&cardp->udev->dev,
+ "The receive buffer is too large\n");
kfree_skb(skb);
return;
}
uint32_t recvtype = 0;
__le32 *pkt = (__le32 *) skb->data;
+ lbtf_deb_enter(LBTF_DEB_USB);
+
if (recvlength) {
if (urb->status) {
+ lbtf_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n",
+ urb->status);
kfree_skb(skb);
goto setup_for_next;
}
recvbuff = skb->data;
recvtype = le32_to_cpu(pkt[0]);
+ lbtf_deb_usbd(&cardp->udev->dev,
+ "Recv length = 0x%x, Recv type = 0x%X\n",
+ recvlength, recvtype);
} else if (urb->status) {
kfree_skb(skb);
+ lbtf_deb_leave(LBTF_DEB_USB);
return;
}
{
/* Event cause handling */
u32 event_cause = le32_to_cpu(pkt[1]);
+ lbtf_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event_cause);
/* Icky undocumented magic special case */
if (event_cause & 0xffff0000) {
} else if (event_cause == LBTF_EVENT_BCN_SENT)
lbtf_bcn_sent(priv);
else
- printk(KERN_DEBUG
+ lbtf_deb_usbd(&cardp->udev->dev,
"Unsupported notification %d received\n",
event_cause);
kfree_skb(skb);
break;
}
default:
- printk(KERN_DEBUG "libertastf: unknown command type 0x%X\n",
- recvtype);
+ lbtf_deb_usbd(&cardp->udev->dev,
+ "libertastf: unknown command type 0x%X\n", recvtype);
kfree_skb(skb);
break;
}
setup_for_next:
if_usb_submit_rx_urb(cardp);
+ lbtf_deb_leave(LBTF_DEB_USB);
}
/**
struct if_usb_card *cardp = priv->card;
u8 data = 0;
+ lbtf_deb_usbd(&cardp->udev->dev, "*** type = %u\n", type);
+ lbtf_deb_usbd(&cardp->udev->dev, "size after = %d\n", nb);
+
if (type == MVMS_CMD) {
*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
} else {
} while (!exit);
if (ret)
- printk(KERN_INFO
- "libertastf: firmware file format check failed\n");
+ pr_err("firmware file format check FAIL\n");
+ else
+ lbtf_deb_fw("firmware file format check PASS\n");
+
return ret;
}
static int reset_count = 10;
int ret = 0;
+ lbtf_deb_enter(LBTF_DEB_USB);
+
ret = request_firmware(&cardp->fw, lbtf_fw_name, &cardp->udev->dev);
if (ret < 0) {
- printk(KERN_INFO "libertastf: firmware %s not found\n",
- lbtf_fw_name);
+ pr_err("request_firmware() failed with %#x\n", ret);
+ pr_err("firmware %s not found\n", lbtf_fw_name);
goto done;
}
restart:
if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
+ lbtf_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
ret = -1;
goto release_fw;
}
usb_kill_urb(cardp->rx_urb);
if (!cardp->fwdnldover) {
- printk(KERN_INFO "libertastf: failed to load fw,"
- " resetting device!\n");
+ pr_info("failed to load fw, resetting device!\n");
if (--reset_count >= 0) {
if_usb_reset_device(cardp);
goto restart;
}
- printk(KERN_INFO "libertastf: fw download failure\n");
+ pr_info("FW download failure, time = %d ms\n", i * 100);
ret = -1;
goto release_fw;
}
if_usb_setup_firmware(cardp->priv);
done:
+ lbtf_deb_leave_args(LBTF_DEB_USB, "ret %d", ret);
return ret;
}
EXPORT_SYMBOL_GPL(if_usb_prog_firmware);
{
int ret = 0;
+ lbtf_deb_enter(LBTF_DEB_MAIN);
+
ret = usb_register(&if_usb_driver);
+
+ lbtf_deb_leave_args(LBTF_DEB_MAIN, "ret %d", ret);
return ret;
}
static void __exit if_usb_exit_module(void)
{
+ lbtf_deb_enter(LBTF_DEB_MAIN);
usb_deregister(&if_usb_driver);
+ lbtf_deb_leave(LBTF_DEB_MAIN);
}
module_init(if_usb_init_module);
projects / platform / kernel / linux-starfive.git / blobdiff