+++ /dev/null
-/**
- * This file contains functions used in USB interface module.
- */
-#include <linux/delay.h>
-#include <linux/moduleparam.h>
-#include <linux/firmware.h>
-#include <linux/netdevice.h>
-#include <linux/usb.h>
-#ifdef CONFIG_OLPC
-#include <asm/olpc.h>
-#endif
-
-#define DRV_NAME "usb8xxx"
-
-#include "host.h"
-#include "decl.h"
-#include "defs.h"
-#include "dev.h"
-#include "cmd.h"
-#include "if_usb.h"
-
-#define INSANEDEBUG 0
-#define lbs_deb_usb2(...) do { if (INSANEDEBUG) lbs_deb_usbd(__VA_ARGS__); } while (0)
-
-#define MESSAGE_HEADER_LEN 4
-
-static char *lbs_fw_name = "usb8388.bin";
-module_param_named(fw_name, lbs_fw_name, charp, 0644);
-
-static struct usb_device_id if_usb_table[] = {
- /* Enter the device signature inside */
- { USB_DEVICE(0x1286, 0x2001) },
- { USB_DEVICE(0x05a3, 0x8388) },
- {} /* Terminating entry */
-};
-
-MODULE_DEVICE_TABLE(usb, if_usb_table);
-
-static void if_usb_receive(struct urb *urb);
-static void if_usb_receive_fwload(struct urb *urb);
-static int if_usb_prog_firmware(struct if_usb_card *cardp);
-static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
- uint8_t *payload, uint16_t nb);
-static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
- uint16_t nb);
-static void if_usb_free(struct if_usb_card *cardp);
-static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
-static int if_usb_reset_device(struct if_usb_card *cardp);
-
-/**
- * @brief call back function to handle the status of the URB
- * @param urb pointer to urb structure
- * @return N/A
- */
-static void if_usb_write_bulk_callback(struct urb *urb)
-{
- struct if_usb_card *cardp = (struct if_usb_card *) urb->context;
-
- /* handle the transmission complete validations */
-
- if (urb->status == 0) {
- struct lbs_private *priv = cardp->priv;
-
- lbs_deb_usb2(&urb->dev->dev, "URB status is successful\n");
- lbs_deb_usb2(&urb->dev->dev, "Actual length transmitted %d\n",
- urb->actual_length);
-
- /* Used for both firmware TX and regular TX. priv isn't
- * valid at firmware load time.
- */
- 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);
- }
-
- return;
-}
-
-/**
- * @brief free tx/rx urb, skb and rx buffer
- * @param cardp pointer if_usb_card
- * @return N/A
- */
-static void if_usb_free(struct if_usb_card *cardp)
-{
- lbs_deb_enter(LBS_DEB_USB);
-
- /* Unlink tx & rx urb */
- usb_kill_urb(cardp->tx_urb);
- usb_kill_urb(cardp->rx_urb);
-
- usb_free_urb(cardp->tx_urb);
- cardp->tx_urb = NULL;
-
- usb_free_urb(cardp->rx_urb);
- cardp->rx_urb = NULL;
-
- kfree(cardp->ep_out_buf);
- cardp->ep_out_buf = NULL;
-
- lbs_deb_leave(LBS_DEB_USB);
-}
-
-static void if_usb_setup_firmware(struct lbs_private *priv)
-{
- struct if_usb_card *cardp = priv->card;
- struct cmd_ds_set_boot2_ver b2_cmd;
- struct cmd_ds_802_11_fw_wake_method wake_method;
-
- b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
- b2_cmd.action = 0;
- b2_cmd.version = cardp->boot2_version;
-
- if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
- lbs_deb_usb("Setting boot2 version failed\n");
-
- priv->wol_gpio = 2; /* Wake via GPIO2... */
- priv->wol_gap = 20; /* ... after 20ms */
- lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA);
-
- wake_method.hdr.size = cpu_to_le16(sizeof(wake_method));
- wake_method.action = cpu_to_le16(CMD_ACT_GET);
- if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) {
- lbs_pr_info("Firmware does not seem to support PS mode\n");
- } else {
- if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
- lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
- priv->ps_supported = 1;
- } else {
- /* The versions which boot up this way don't seem to
- work even if we set it to the command interrupt */
- lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n");
- }
- }
-}
-
-static void if_usb_fw_timeo(unsigned long priv)
-{
- struct if_usb_card *cardp = (void *)priv;
-
- if (cardp->fwdnldover) {
- lbs_deb_usb("Download complete, no event. Assuming success\n");
- } else {
- lbs_pr_err("Download timed out\n");
- cardp->surprise_removed = 1;
- }
- wake_up(&cardp->fw_wq);
-}
-
-/**
- * @brief sets the configuration values
- * @param ifnum interface number
- * @param id pointer to usb_device_id
- * @return 0 on success, error code on failure
- */
-static int if_usb_probe(struct usb_interface *intf,
- const struct usb_device_id *id)
-{
- struct usb_device *udev;
- struct usb_host_interface *iface_desc;
- struct usb_endpoint_descriptor *endpoint;
- struct lbs_private *priv;
- struct if_usb_card *cardp;
- int i;
-
- udev = interface_to_usbdev(intf);
-
- cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
- if (!cardp) {
- lbs_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;
-
- lbs_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);
-
- lbs_deb_usbd(&udev->dev, "in_endpoint = %d\n", cardp->ep_in);
- lbs_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);
-
- lbs_deb_usbd(&udev->dev, "out_endpoint = %d\n", cardp->ep_out);
- lbs_deb_usbd(&udev->dev, "Bulk out size is %d\n", cardp->ep_out_size);
- }
- }
- if (!cardp->ep_out_size || !cardp->ep_in_size) {
- lbs_deb_usbd(&udev->dev, "Endpoints not found\n");
- goto dealloc;
- }
- if (!(cardp->rx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
- lbs_deb_usbd(&udev->dev, "Rx URB allocation failed\n");
- goto dealloc;
- }
- if (!(cardp->tx_urb = usb_alloc_urb(0, GFP_KERNEL))) {
- lbs_deb_usbd(&udev->dev, "Tx URB allocation failed\n");
- goto dealloc;
- }
- cardp->ep_out_buf = kmalloc(MRVDRV_ETH_TX_PACKET_BUFFER_SIZE, GFP_KERNEL);
- if (!cardp->ep_out_buf) {
- lbs_deb_usbd(&udev->dev, "Could not allocate buffer\n");
- goto dealloc;
- }
-
- /* Upload firmware */
- if (if_usb_prog_firmware(cardp)) {
- lbs_deb_usbd(&udev->dev, "FW upload failed\n");
- goto err_prog_firmware;
- }
-
- if (!(priv = lbs_add_card(cardp, &udev->dev)))
- goto err_prog_firmware;
-
- cardp->priv = priv;
- cardp->priv->fw_ready = 1;
-
- priv->hw_host_to_card = if_usb_host_to_card;
- cardp->boot2_version = udev->descriptor.bcdDevice;
-
- if_usb_submit_rx_urb(cardp);
-
- if (lbs_start_card(priv))
- goto err_start_card;
-
- if_usb_setup_firmware(priv);
-
- usb_get_dev(udev);
- usb_set_intfdata(intf, cardp);
-
- return 0;
-
-err_start_card:
- lbs_remove_card(priv);
-err_prog_firmware:
- if_usb_reset_device(cardp);
-dealloc:
- if_usb_free(cardp);
-
-error:
- return -ENOMEM;
-}
-
-/**
- * @brief free resource and cleanup
- * @param intf USB interface structure
- * @return N/A
- */
-static void if_usb_disconnect(struct usb_interface *intf)
-{
- struct if_usb_card *cardp = usb_get_intfdata(intf);
- struct lbs_private *priv = (struct lbs_private *) cardp->priv;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- cardp->surprise_removed = 1;
-
- if (priv) {
- priv->surpriseremoved = 1;
- lbs_stop_card(priv);
- lbs_remove_card(priv);
- }
-
- /* Unlink and free urb */
- if_usb_free(cardp);
-
- usb_set_intfdata(intf, NULL);
- usb_put_dev(interface_to_usbdev(intf));
-
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-/**
- * @brief This function download FW
- * @param priv pointer to struct lbs_private
- * @return 0
- */
-static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
-{
- struct fwdata *fwdata = cardp->ep_out_buf;
- uint8_t *firmware = cardp->fw->data;
-
- /* If we got a CRC failure on the last block, back
- up and retry it */
- if (!cardp->CRC_OK) {
- cardp->totalbytes = cardp->fwlastblksent;
- cardp->fwseqnum--;
- }
-
- lbs_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
- firmware binary. Insert the seqnum in the middle... */
- memcpy(&fwdata->hdr, &firmware[cardp->totalbytes],
- sizeof(struct fwheader));
-
- cardp->fwlastblksent = cardp->totalbytes;
- cardp->totalbytes += sizeof(struct fwheader);
-
- memcpy(fwdata->data, &firmware[cardp->totalbytes],
- le32_to_cpu(fwdata->hdr.datalength));
-
- lbs_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));
-
- if (fwdata->hdr.dnldcmd == cpu_to_le32(FW_HAS_DATA_TO_RECV)) {
- lbs_deb_usb2(&cardp->udev->dev, "There are data to follow\n");
- lbs_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)) {
- lbs_deb_usb2(&cardp->udev->dev, "Host has finished FW downloading\n");
- lbs_deb_usb2(&cardp->udev->dev, "Donwloading FW JUMP BLOCK\n");
-
- cardp->fwfinalblk = 1;
- }
-
- lbs_deb_usb2(&cardp->udev->dev, "Firmware download done; size %d\n",
- cardp->totalbytes);
-
- return 0;
-}
-
-static int if_usb_reset_device(struct if_usb_card *cardp)
-{
- struct cmd_ds_command *cmd = cardp->ep_out_buf + 4;
- int ret;
-
- lbs_deb_enter(LBS_DEB_USB);
-
- *(__le32 *)cardp->ep_out_buf = 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->ep_out_buf, 4 + S_DS_GEN + sizeof(struct cmd_ds_802_11_reset));
-
- msleep(100);
- ret = usb_reset_device(cardp->udev);
- msleep(100);
-
-#ifdef CONFIG_OLPC
- if (ret && machine_is_olpc()) {
- printk(KERN_CRIT "Resetting OLPC wireless via EC...\n");
- olpc_ec_cmd(0x25, NULL, 0, NULL, 0);
- }
-#endif
-
- lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
-
- return ret;
-}
-
-/**
- * @brief This function transfer the data to the device.
- * @param priv pointer to struct lbs_private
- * @param payload pointer to payload data
- * @param nb data length
- * @return 0 or -1
- */
-static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb)
-{
- int ret = -1;
-
- /* check if device is removed */
- if (cardp->surprise_removed) {
- lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
- goto tx_ret;
- }
-
- usb_fill_bulk_urb(cardp->tx_urb, cardp->udev,
- usb_sndbulkpipe(cardp->udev,
- cardp->ep_out),
- payload, nb, if_usb_write_bulk_callback, cardp);
-
- cardp->tx_urb->transfer_flags |= URB_ZERO_PACKET;
-
- if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
- lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
- ret = -1;
- } else {
- lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
- ret = 0;
- }
-
-tx_ret:
- 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;
-
- if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) {
- lbs_pr_err("No free skb\n");
- goto rx_ret;
- }
-
- cardp->rx_skb = skb;
-
- /* Fill the receive configuration URB and initialise the Rx call back */
- usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
- usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
- (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET),
- MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
- cardp);
-
- cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
-
- lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb);
- if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
- lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
- kfree_skb(skb);
- cardp->rx_skb = NULL;
- ret = -1;
- } else {
- lbs_deb_usb2(&cardp->udev->dev, "Submit Rx URB success\n");
- ret = 0;
- }
-
-rx_ret:
- return ret;
-}
-
-static int if_usb_submit_rx_urb_fwload(struct if_usb_card *cardp)
-{
- return __if_usb_submit_rx_urb(cardp, &if_usb_receive_fwload);
-}
-
-static int if_usb_submit_rx_urb(struct if_usb_card *cardp)
-{
- return __if_usb_submit_rx_urb(cardp, &if_usb_receive);
-}
-
-static void if_usb_receive_fwload(struct urb *urb)
-{
- struct if_usb_card *cardp = urb->context;
- struct sk_buff *skb = cardp->rx_skb;
- struct fwsyncheader *syncfwheader;
- struct bootcmdresp bootcmdresp;
-
- if (urb->status) {
- lbs_deb_usbd(&cardp->udev->dev,
- "URB status is failed during fw load\n");
- kfree_skb(skb);
- return;
- }
-
- if (cardp->fwdnldover) {
- __le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
-
- if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
- tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
- lbs_pr_info("Firmware ready event received\n");
- wake_up(&cardp->fw_wq);
- } else {
- lbs_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);
- return;
- }
- if (cardp->bootcmdresp <= 0) {
- memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
- sizeof(bootcmdresp));
-
- if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
- kfree_skb(skb);
- if_usb_submit_rx_urb_fwload(cardp);
- cardp->bootcmdresp = 1;
- lbs_deb_usbd(&cardp->udev->dev,
- "Received valid boot command response\n");
- return;
- }
- if (bootcmdresp.magic != cpu_to_le32(BOOT_CMD_MAGIC_NUMBER)) {
- if (bootcmdresp.magic == cpu_to_le32(CMD_TYPE_REQUEST) ||
- bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
- bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
- if (!cardp->bootcmdresp)
- 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.magic));
- }
- } else if (bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) {
- lbs_pr_info("boot cmd response cmd_tag error (%d)\n",
- bootcmdresp.cmd);
- } else if (bootcmdresp.result != BOOT_CMD_RESP_OK) {
- lbs_pr_info("boot cmd response result error (%d)\n",
- bootcmdresp.result);
- } else {
- cardp->bootcmdresp = 1;
- lbs_deb_usbd(&cardp->udev->dev,
- "Received valid boot command response\n");
- }
- kfree_skb(skb);
- if_usb_submit_rx_urb_fwload(cardp);
- return;
- }
-
- syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
- if (!syncfwheader) {
- lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
- kfree_skb(skb);
- return;
- }
-
- memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
- sizeof(struct fwsyncheader));
-
- if (!syncfwheader->cmd) {
- lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n");
- lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n",
- le32_to_cpu(syncfwheader->seqnum));
- cardp->CRC_OK = 1;
- } else {
- lbs_deb_usbd(&cardp->udev->dev, "FW received Blk with CRC error\n");
- cardp->CRC_OK = 0;
- }
-
- kfree_skb(skb);
-
- /* reschedule timer for 200ms hence */
- mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
-
- if (cardp->fwfinalblk) {
- cardp->fwdnldover = 1;
- goto exit;
- }
-
- if_usb_send_fw_pkt(cardp);
-
- exit:
- if_usb_submit_rx_urb_fwload(cardp);
-
- kfree(syncfwheader);
-
- return;
-}
-
-#define MRVDRV_MIN_PKT_LEN 30
-
-static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
- struct if_usb_card *cardp,
- struct lbs_private *priv)
-{
- if (recvlength > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + MESSAGE_HEADER_LEN
- || recvlength < MRVDRV_MIN_PKT_LEN) {
- lbs_deb_usbd(&cardp->udev->dev, "Packet length is Invalid\n");
- kfree_skb(skb);
- return;
- }
-
- skb_reserve(skb, IPFIELD_ALIGN_OFFSET);
- skb_put(skb, recvlength);
- skb_pull(skb, MESSAGE_HEADER_LEN);
-
- lbs_process_rxed_packet(priv, skb);
-}
-
-static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
- struct sk_buff *skb,
- struct if_usb_card *cardp,
- struct lbs_private *priv)
-{
- u8 i;
-
- if (recvlength > LBS_CMD_BUFFER_SIZE) {
- lbs_deb_usbd(&cardp->udev->dev,
- "The receive buffer is too large\n");
- kfree_skb(skb);
- return;
- }
-
- if (!in_interrupt())
- BUG();
-
- spin_lock(&priv->driver_lock);
-
- i = (priv->resp_idx == 0) ? 1 : 0;
- BUG_ON(priv->resp_len[i]);
- priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN);
- memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN,
- priv->resp_len[i]);
- kfree_skb(skb);
- lbs_notify_command_response(priv, i);
-
- spin_unlock(&priv->driver_lock);
-
- lbs_deb_usbd(&cardp->udev->dev,
- "Wake up main thread to handle cmd response\n");
-}
-
-/**
- * @brief This function reads of the packet into the upload buff,
- * wake up the main thread and initialise the Rx callack.
- *
- * @param urb pointer to struct urb
- * @return N/A
- */
-static void if_usb_receive(struct urb *urb)
-{
- struct if_usb_card *cardp = urb->context;
- struct sk_buff *skb = cardp->rx_skb;
- struct lbs_private *priv = cardp->priv;
- int recvlength = urb->actual_length;
- uint8_t *recvbuff = NULL;
- uint32_t recvtype = 0;
- __le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
- uint32_t event;
-
- lbs_deb_enter(LBS_DEB_USB);
-
- if (recvlength) {
- if (urb->status) {
- lbs_deb_usbd(&cardp->udev->dev, "RX URB failed: %d\n",
- urb->status);
- kfree_skb(skb);
- goto setup_for_next;
- }
-
- recvbuff = skb->data + IPFIELD_ALIGN_OFFSET;
- recvtype = le32_to_cpu(pkt[0]);
- lbs_deb_usbd(&cardp->udev->dev,
- "Recv length = 0x%x, Recv type = 0x%X\n",
- recvlength, recvtype);
- } else if (urb->status) {
- kfree_skb(skb);
- goto rx_exit;
- }
-
- switch (recvtype) {
- case CMD_TYPE_DATA:
- process_cmdtypedata(recvlength, skb, cardp, priv);
- break;
-
- case CMD_TYPE_REQUEST:
- process_cmdrequest(recvlength, recvbuff, skb, cardp, priv);
- break;
-
- case CMD_TYPE_INDICATION:
- /* Event handling */
- event = le32_to_cpu(pkt[1]);
- lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event);
- kfree_skb(skb);
-
- /* Icky undocumented magic special case */
- if (event & 0xffff0000) {
- u32 trycount = (event & 0xffff0000) >> 16;
-
- lbs_send_tx_feedback(priv, trycount);
- } else
- lbs_queue_event(priv, event & 0xFF);
- break;
-
- default:
- lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
- recvtype);
- kfree_skb(skb);
- break;
- }
-
-setup_for_next:
- if_usb_submit_rx_urb(cardp);
-rx_exit:
- lbs_deb_leave(LBS_DEB_USB);
-}
-
-/**
- * @brief This function downloads data to FW
- * @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(struct lbs_private *priv, uint8_t type,
- uint8_t *payload, uint16_t nb)
-{
- struct if_usb_card *cardp = priv->card;
-
- lbs_deb_usbd(&cardp->udev->dev,"*** type = %u\n", type);
- lbs_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);
- priv->dnld_sent = DNLD_CMD_SENT;
- } else {
- *(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_DATA);
- priv->dnld_sent = DNLD_DATA_SENT;
- }
-
- memcpy((cardp->ep_out_buf + MESSAGE_HEADER_LEN), payload, nb);
-
- return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN);
-}
-
-/**
- * @brief This function issues Boot command to the Boot2 code
- * @param ivalue 1:Boot from FW by USB-Download
- * 2:Boot from FW in EEPROM
- * @return 0
- */
-static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
-{
- struct bootcmd *bootcmd = cardp->ep_out_buf;
-
- /* Prepare command */
- bootcmd->magic = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
- bootcmd->cmd = ivalue;
- memset(bootcmd->pad, 0, sizeof(bootcmd->pad));
-
- /* Issue command */
- usb_tx_block(cardp, cardp->ep_out_buf, sizeof(*bootcmd));
-
- return 0;
-}
-
-
-/**
- * @brief This function checks the validity of Boot2/FW image.
- *
- * @param data pointer to image
- * len image length
- * @return 0 or -1
- */
-static int check_fwfile_format(uint8_t *data, uint32_t totlen)
-{
- uint32_t bincmd, exit;
- uint32_t blksize, offset, len;
- int ret;
-
- ret = 1;
- exit = len = 0;
-
- do {
- struct fwheader *fwh = (void *)data;
-
- bincmd = le32_to_cpu(fwh->dnldcmd);
- blksize = le32_to_cpu(fwh->datalength);
- switch (bincmd) {
- case FW_HAS_DATA_TO_RECV:
- offset = sizeof(struct fwheader) + blksize;
- data += offset;
- len += offset;
- if (len >= totlen)
- exit = 1;
- break;
- case FW_HAS_LAST_BLOCK:
- exit = 1;
- ret = 0;
- break;
- default:
- exit = 1;
- break;
- }
- } while (!exit);
-
- if (ret)
- lbs_pr_err("firmware file format check FAIL\n");
- else
- lbs_deb_fw("firmware file format check PASS\n");
-
- return ret;
-}
-
-
-static int if_usb_prog_firmware(struct if_usb_card *cardp)
-{
- int i = 0;
- static int reset_count = 10;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_USB);
-
- if ((ret = request_firmware(&cardp->fw, lbs_fw_name,
- &cardp->udev->dev)) < 0) {
- lbs_pr_err("request_firmware() failed with %#x\n", ret);
- lbs_pr_err("firmware %s not found\n", lbs_fw_name);
- goto done;
- }
-
- if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
- goto release_fw;
-
-restart:
- if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
- lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
- ret = -1;
- goto release_fw;
- }
-
- cardp->bootcmdresp = 0;
- do {
- int j = 0;
- i++;
- /* Issue Boot command = 1, Boot from Download-FW */
- if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
- /* wait for command response */
- do {
- j++;
- msleep_interruptible(100);
- } while (cardp->bootcmdresp == 0 && j < 10);
- } while (cardp->bootcmdresp == 0 && i < 5);
-
- if (cardp->bootcmdresp <= 0) {
- if (--reset_count >= 0) {
- if_usb_reset_device(cardp);
- goto restart;
- }
- return -1;
- }
-
- i = 0;
-
- cardp->totalbytes = 0;
- cardp->fwlastblksent = 0;
- cardp->CRC_OK = 1;
- cardp->fwdnldover = 0;
- cardp->fwseqnum = -1;
- cardp->totalbytes = 0;
- cardp->fwfinalblk = 0;
-
- /* Send the first firmware packet... */
- if_usb_send_fw_pkt(cardp);
-
- /* ... and wait for the process to complete */
- wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover);
-
- del_timer_sync(&cardp->fw_timeout);
- usb_kill_urb(cardp->rx_urb);
-
- if (!cardp->fwdnldover) {
- lbs_pr_info("failed to load fw, resetting device!\n");
- if (--reset_count >= 0) {
- if_usb_reset_device(cardp);
- goto restart;
- }
-
- lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
- ret = -1;
- goto release_fw;
- }
-
- release_fw:
- release_firmware(cardp->fw);
- cardp->fw = NULL;
-
- done:
- lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
- return ret;
-}
-
-
-#ifdef CONFIG_PM
-static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
-{
- struct if_usb_card *cardp = usb_get_intfdata(intf);
- struct lbs_private *priv = cardp->priv;
- int ret;
-
- lbs_deb_enter(LBS_DEB_USB);
-
- if (priv->psstate != PS_STATE_FULL_POWER)
- return -1;
-
- ret = lbs_suspend(priv);
- if (ret)
- goto out;
-
- /* Unlink tx & rx urb */
- usb_kill_urb(cardp->tx_urb);
- usb_kill_urb(cardp->rx_urb);
-
- out:
- lbs_deb_leave(LBS_DEB_USB);
- return ret;
-}
-
-static int if_usb_resume(struct usb_interface *intf)
-{
- struct if_usb_card *cardp = usb_get_intfdata(intf);
- struct lbs_private *priv = cardp->priv;
-
- lbs_deb_enter(LBS_DEB_USB);
-
- if_usb_submit_rx_urb(cardp);
-
- lbs_resume(priv);
-
- lbs_deb_leave(LBS_DEB_USB);
- return 0;
-}
-#else
-#define if_usb_suspend NULL
-#define if_usb_resume NULL
-#endif
-
-static struct usb_driver if_usb_driver = {
- .name = DRV_NAME,
- .probe = if_usb_probe,
- .disconnect = if_usb_disconnect,
- .id_table = if_usb_table,
- .suspend = if_usb_suspend,
- .resume = if_usb_resume,
- .reset_resume = if_usb_resume,
-};
-
-static int __init if_usb_init_module(void)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- ret = usb_register(&if_usb_driver);
-
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-
-static void __exit if_usb_exit_module(void)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
-
- usb_deregister(&if_usb_driver);
-
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-module_init(if_usb_init_module);
-module_exit(if_usb_exit_module);
-
-MODULE_DESCRIPTION("8388 USB WLAN Driver");
-MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc.");
-MODULE_LICENSE("GPL");
projects / openwrt / staging / florian.git / blobdiff