#include <linux/moduleparam.h>
#include <linux/firmware.h>
#include <linux/netdevice.h>
-#include <linux/list.h>
#include <linux/usb.h>
#define DRV_NAME "usb8xxx"
#include "decl.h"
#include "defs.h"
#include "dev.h"
+#include "cmd.h"
#include "if_usb.h"
#define MESSAGE_HEADER_LEN 4
-static const char usbdriver_name[] = "usb8xxx";
-static u8 *default_fw_name = "usb8388.bin";
-
-static char *lbs_fw_name;
+static char *lbs_fw_name = "usb8388.bin";
module_param_named(fw_name, lbs_fw_name, charp, 0644);
-/*
- * We need to send a RESET command to all USB devices before
- * we tear down the USB connection. Otherwise we would not
- * be able to re-init device the device if the module gets
- * loaded again. This is a list of all initialized USB devices,
- * for the reset code see if_usb_reset_device()
-*/
-static LIST_HEAD(usb_devices);
-
static struct usb_device_id if_usb_table[] = {
/* Enter the device signature inside */
{ USB_DEVICE(0x1286, 0x2001) },
static void if_usb_receive(struct urb *urb);
static void if_usb_receive_fwload(struct urb *urb);
static int if_usb_prog_firmware(struct usb_card_rec *cardp);
-static int if_usb_host_to_card(lbs_private *priv, u8 type, u8 *payload, u16 nb);
-static int if_usb_get_int_status(lbs_private *priv, u8 *);
-static int if_usb_read_event_cause(lbs_private *);
+static int if_usb_host_to_card(struct lbs_private *priv,
+ u8 type,
+ u8 *payload,
+ u16 nb);
+static int if_usb_get_int_status(struct lbs_private *priv, u8 *);
+static int if_usb_read_event_cause(struct lbs_private *);
static int usb_tx_block(struct usb_card_rec *cardp, u8 *payload, u16 nb);
static void if_usb_free(struct usb_card_rec *cardp);
static int if_usb_submit_rx_urb(struct usb_card_rec *cardp);
/* handle the transmission complete validations */
if (urb->status == 0) {
- lbs_private *priv = cardp->priv;
+ struct lbs_private *priv = cardp->priv;
/*
lbs_deb_usbd(&urb->dev->dev, "URB status is successfull\n");
/* Used for both firmware TX and regular TX. priv isn't
* valid at firmware load time.
*/
- if (priv) {
- lbs_adapter *adapter = priv->adapter;
- struct net_device *dev = priv->dev;
-
- priv->dnld_sent = DNLD_RES_RECEIVED;
-
- /* Wake main thread if commands are pending */
- if (!adapter->cur_cmd)
- wake_up_interruptible(&priv->waitq);
-
- if ((adapter->connect_status == LBS_CONNECTED)) {
- netif_wake_queue(dev);
- netif_wake_queue(priv->mesh_dev);
- }
- }
+ if (priv)
+ lbs_host_to_card_done(priv);
} else {
/* print the failure status number for debug */
lbs_pr_info("URB in failure status: %d\n", urb->status);
lbs_deb_leave(LBS_DEB_USB);
}
+static void if_usb_set_boot2_ver(struct lbs_private *priv)
+{
+ struct cmd_ds_set_boot2_ver b2_cmd;
+
+ b2_cmd.action = 0;
+ b2_cmd.version = priv->boot2_version;
+
+ if (lbs_cmd(priv, CMD_SET_BOOT2_VER, b2_cmd, NULL, 0))
+ lbs_deb_usb("Setting boot2 version failed\n");
+}
+
+
/**
* @brief sets the configuration values
* @param ifnum interface number
struct usb_device *udev;
struct usb_host_interface *iface_desc;
struct usb_endpoint_descriptor *endpoint;
- lbs_private *priv;
+ struct lbs_private *priv;
struct usb_card_rec *cardp;
int i;
/* Delay 200 ms to waiting for the FW ready */
if_usb_submit_rx_urb(cardp);
msleep_interruptible(200);
- priv->adapter->fw_ready = 1;
+ priv->fw_ready = 1;
if (lbs_start_card(priv))
goto err_start_card;
- list_add_tail(&cardp->list, &usb_devices);
+ if_usb_set_boot2_ver(priv);
usb_get_dev(udev);
usb_set_intfdata(intf, cardp);
static void if_usb_disconnect(struct usb_interface *intf)
{
struct usb_card_rec *cardp = usb_get_intfdata(intf);
- lbs_private *priv = (lbs_private *) cardp->priv;
+ struct lbs_private *priv = (struct lbs_private *) cardp->priv;
lbs_deb_enter(LBS_DEB_MAIN);
/* Update Surprise removed to TRUE */
cardp->surprise_removed = 1;
- list_del(&cardp->list);
-
if (priv) {
- lbs_adapter *adapter = priv->adapter;
- adapter->surpriseremoved = 1;
+ priv->surpriseremoved = 1;
lbs_stop_card(priv);
lbs_remove_mesh(priv);
lbs_remove_card(priv);
}
+ /* this is (apparently?) necessary for future usage of the device */
+ lbs_prepare_and_send_command(priv, CMD_802_11_RESET, CMD_ACT_HALT,
+ 0, 0, NULL);
+
/* Unlink and free urb */
if_usb_free(cardp);
/**
* @brief This function download FW
- * @param priv pointer to lbs_private
+ * @param priv pointer to struct lbs_private
* @return 0
*/
static int if_prog_firmware(struct usb_card_rec *cardp)
static int if_usb_reset_device(struct usb_card_rec *cardp)
{
+ struct cmd_ds_command *cmd = (void *)&cardp->bulk_out_buffer[4];
int ret;
- lbs_private * priv = cardp->priv;
lbs_deb_enter(LBS_DEB_USB);
- /* Try a USB port reset first, if that fails send the reset
- * command to the firmware.
- */
+ *(__le32 *)cardp->bulk_out_buffer = cpu_to_le32(CMD_TYPE_REQUEST);
+
+ cmd->command = cpu_to_le16(CMD_802_11_RESET);
+ cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
+ cmd->result = cpu_to_le16(0);
+ cmd->seqnum = cpu_to_le16(0x5a5a);
+ cmd->params.reset.action = cpu_to_le16(CMD_ACT_HALT);
+ usb_tx_block(cardp, cardp->bulk_out_buffer, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset));
+
+ msleep(10);
ret = usb_reset_device(cardp->udev);
- if (!ret && priv) {
- msleep(10);
- ret = lbs_reset_device(priv);
- msleep(10);
- }
+ msleep(10);
lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
/**
* @brief This function transfer the data to the device.
- * @param priv pointer to lbs_private
+ * @param priv pointer to struct lbs_private
* @param payload pointer to payload data
* @param nb data length
* @return 0 or -1
if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
/* transfer failed */
- lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed\n");
+ lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
ret = -1;
} else {
/* lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb success\n"); */
/* lbs_deb_usbd(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb); */
if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
/* handle failure conditions */
- lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed\n");
+ lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
+ kfree_skb(skb);
+ rinfo->skb = NULL;
ret = -1;
} else {
/* lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB success\n"); */
return;
}
if (bootcmdresp.u32magicnumber != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
- lbs_pr_info(
- "boot cmd response wrong magic number (0x%x)\n",
- le32_to_cpu(bootcmdresp.u32magicnumber));
+ if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) ||
+ bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) ||
+ bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) {
+ lbs_pr_info("Firmware already seems alive; resetting\n");
+ cardp->bootcmdresp = -1;
+ } else {
+ lbs_pr_info("boot cmd response wrong magic number (0x%x)\n",
+ le32_to_cpu(bootcmdresp.u32magicnumber));
+ }
} else if (bootcmdresp.u8cmd_tag != BOOT_CMD_FW_BY_USB) {
lbs_pr_info(
"boot cmd response cmd_tag error (%d)\n",
static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
struct usb_card_rec *cardp,
- lbs_private *priv)
+ struct lbs_private *priv)
{
if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE +
MESSAGE_HEADER_LEN || recvlength < MRVDRV_MIN_PKT_LEN) {
static inline void process_cmdrequest(int recvlength, u8 *recvbuff,
struct sk_buff *skb,
struct usb_card_rec *cardp,
- lbs_private *priv)
+ struct lbs_private *priv)
{
u8 *cmdbuf;
if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) {
if (!in_interrupt())
BUG();
- spin_lock(&priv->adapter->driver_lock);
+ spin_lock(&priv->driver_lock);
/* take care of cur_cmd = NULL case by reading the
* data to clear the interrupt */
- if (!priv->adapter->cur_cmd) {
+ if (!priv->cur_cmd) {
cmdbuf = priv->upld_buf;
- priv->adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
+ priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
} else
- cmdbuf = priv->adapter->cur_cmd->bufvirtualaddr;
+ cmdbuf = priv->cur_cmd->bufvirtualaddr;
cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
priv->upld_len);
kfree_skb(skb);
- lbs_interrupt(priv->dev);
- spin_unlock(&priv->adapter->driver_lock);
+ lbs_interrupt(priv);
+ spin_unlock(&priv->driver_lock);
lbs_deb_usbd(&cardp->udev->dev,
"Wake up main thread to handle cmd response\n");
struct read_cb_info *rinfo = (struct read_cb_info *)urb->context;
struct sk_buff *skb = rinfo->skb;
struct usb_card_rec *cardp = (struct usb_card_rec *) rinfo->cardp;
- lbs_private * priv = cardp->priv;
+ struct lbs_private *priv = cardp->priv;
int recvlength = urb->actual_length;
u8 *recvbuff = NULL;
lbs_deb_usbd(&cardp->udev->dev,
"Recv length = 0x%x, Recv type = 0x%X\n",
recvlength, recvtype);
- } else if (urb->status)
+ } else if (urb->status) {
+ kfree_skb(skb);
goto rx_exit;
+ }
switch (recvtype) {
case CMD_TYPE_DATA:
case CMD_TYPE_INDICATION:
/* Event cause handling */
- spin_lock(&priv->adapter->driver_lock);
+ spin_lock(&priv->driver_lock);
cardp->usb_event_cause = le32_to_cpu(*(__le32 *) (recvbuff + MESSAGE_HEADER_LEN));
lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
cardp->usb_event_cause);
if (cardp->usb_event_cause & 0xffff0000) {
lbs_send_tx_feedback(priv);
- spin_unlock(&priv->adapter->driver_lock);
+ spin_unlock(&priv->driver_lock);
break;
}
cardp->usb_event_cause <<= 3;
cardp->usb_int_cause |= MRVDRV_CARDEVENT;
kfree_skb(skb);
- lbs_interrupt(priv->dev);
- spin_unlock(&priv->adapter->driver_lock);
+ lbs_interrupt(priv);
+ spin_unlock(&priv->driver_lock);
goto rx_exit;
default:
lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
/**
* @brief This function downloads data to FW
- * @param priv pointer to lbs_private structure
+ * @param priv pointer to struct lbs_private structure
* @param type type of data
* @param buf pointer to data buffer
* @param len number of bytes
* @return 0 or -1
*/
-static int if_usb_host_to_card(lbs_private *priv, u8 type, u8 *payload, u16 nb)
+static int if_usb_host_to_card(struct lbs_private *priv,
+ u8 type,
+ u8 *payload,
+ u16 nb)
{
struct usb_card_rec *cardp = (struct usb_card_rec *)priv->card;
nb + MESSAGE_HEADER_LEN);
}
-/* called with adapter->driver_lock held */
-static int if_usb_get_int_status(lbs_private *priv, u8 *ireg)
+/* called with priv->driver_lock held */
+static int if_usb_get_int_status(struct lbs_private *priv, u8 *ireg)
{
struct usb_card_rec *cardp = priv->card;
return 0;
}
-static int if_usb_read_event_cause(lbs_private * priv)
+static int if_usb_read_event_cause(struct lbs_private *priv)
{
struct usb_card_rec *cardp = priv->card;
- priv->adapter->eventcause = cardp->usb_event_cause;
+ priv->eventcause = cardp->usb_event_cause;
/* Re-submit rx urb here to avoid event lost issue */
if_usb_submit_rx_urb(cardp);
return 0;
} while (cardp->bootcmdresp == 0 && j < 10);
} while (cardp->bootcmdresp == 0 && i < 5);
- if (cardp->bootcmdresp == 0) {
+ if (cardp->bootcmdresp <= 0) {
if (--reset_count >= 0) {
if_usb_reset_device(cardp);
goto restart;
static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usb_card_rec *cardp = usb_get_intfdata(intf);
- lbs_private *priv = cardp->priv;
+ struct lbs_private *priv = cardp->priv;
lbs_deb_enter(LBS_DEB_USB);
- if (priv->adapter->psstate != PS_STATE_FULL_POWER)
+ if (priv->psstate != PS_STATE_FULL_POWER)
return -1;
if (priv->mesh_dev && !priv->mesh_autostart_enabled) {
static int if_usb_resume(struct usb_interface *intf)
{
struct usb_card_rec *cardp = usb_get_intfdata(intf);
- lbs_private *priv = cardp->priv;
+ struct lbs_private *priv = cardp->priv;
lbs_deb_enter(LBS_DEB_USB);
#endif
static struct usb_driver if_usb_driver = {
- /* driver name */
- .name = usbdriver_name,
- /* probe function name */
+ .name = DRV_NAME,
.probe = if_usb_probe,
- /* disconnect function name */
.disconnect = if_usb_disconnect,
- /* device signature table */
.id_table = if_usb_table,
.suspend = if_usb_suspend,
.resume = if_usb_resume,
};
-static int if_usb_init_module(void)
+static int __init if_usb_init_module(void)
{
int ret = 0;
lbs_deb_enter(LBS_DEB_MAIN);
- if (lbs_fw_name == NULL) {
- lbs_fw_name = default_fw_name;
- }
-
ret = usb_register(&if_usb_driver);
lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
return ret;
}
-static void if_usb_exit_module(void)
+static void __exit if_usb_exit_module(void)
{
- struct usb_card_rec *cardp, *cardp_temp;
-
lbs_deb_enter(LBS_DEB_MAIN);
- list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list) {
- lbs_prepare_and_send_command(cardp->priv, CMD_802_11_RESET,
- CMD_ACT_HALT, 0, 0, NULL);
- }
-
- /* API unregisters the driver from USB subsystem */
usb_deregister(&if_usb_driver);
lbs_deb_leave(LBS_DEB_MAIN);
projects / firefly-linux-kernel-4.4.55.git / blobdiff