#include <linux/moduleparam.h>
#include <linux/firmware.h>
#include <linux/netdevice.h>
+#include <linux/slab.h>
#include <linux/usb.h>
+#ifdef CONFIG_OLPC
+#include <asm/olpc.h>
+#endif
+
#define DRV_NAME "usb8xxx"
#include "host.h"
static char *lbs_fw_name = "usb8388.bin";
module_param_named(fw_name, lbs_fw_name, charp, 0644);
+MODULE_FIRMWARE("usb8388.bin");
+
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 if_usb_card *cardp);
+static int __if_usb_prog_firmware(struct if_usb_card *cardp,
+ const char *fwname, int cmd);
+static int if_usb_prog_firmware(struct if_usb_card *cardp,
+ const char *fwname, int cmd);
static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
uint8_t *payload, uint16_t nb);
-static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *);
-static int if_usb_read_event_cause(struct lbs_private *);
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);
+/* sysfs hooks */
+
+/**
+ * Set function to write firmware to device's persistent memory
+ */
+static ssize_t if_usb_firmware_set(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+ struct if_usb_card *cardp = priv->card;
+ int ret;
+
+ ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW);
+ if (ret == 0)
+ return count;
+
+ return ret;
+}
+
+/**
+ * lbs_flash_fw attribute to be exported per ethX interface through sysfs
+ * (/sys/class/net/ethX/lbs_flash_fw). Use this like so to write firmware to
+ * the device's persistent memory:
+ * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_fw
+ */
+static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set);
+
+/**
+ * Set function to write firmware to device's persistent memory
+ */
+static ssize_t if_usb_boot2_set(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct lbs_private *priv = to_net_dev(dev)->ml_priv;
+ struct if_usb_card *cardp = priv->card;
+ int ret;
+
+ ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2);
+ if (ret == 0)
+ return count;
+
+ return ret;
+}
+
+/**
+ * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs
+ * (/sys/class/net/ethX/lbs_flash_boot2). Use this like so to write firmware
+ * to the device's persistent memory:
+ * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_boot2
+ */
+static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set);
+
/**
* @brief call back function to handle the status of the URB
* @param urb pointer to urb structure
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.
+ /* Boot commands such as UPDATE_FW and UPDATE_BOOT2 are not
+ * passed up to the lbs level.
*/
- if (priv)
+ if (priv && priv->dnld_sent != DNLD_BOOTCMD_SENT)
lbs_host_to_card_done(priv);
} else {
/* print the failure status number for debug */
lbs_deb_leave(LBS_DEB_USB);
}
-static void if_usb_set_boot2_ver(struct lbs_private *priv)
+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 = priv->boot2_version;
+ b2_cmd.version = cardp->boot2_version;
- if (lbs_cmd(priv, CMD_SET_BOOT2_VER, &b2_cmd, NULL, 0))
+ 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,
+ (struct wol_config *) NULL);
+
+ 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");
+ priv->fwcapinfo &= ~FW_CAPINFO_PS;
+ } 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");
+ } else {
+ /* The versions which boot up this way don't seem to
+ work even if we set it to the command interrupt */
+ priv->fwcapinfo &= ~FW_CAPINFO_PS;
+ lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n");
+ }
+ }
}
static void if_usb_fw_timeo(unsigned long priv)
wake_up(&cardp->fw_wq);
}
+#ifdef CONFIG_OLPC
+static void if_usb_reset_olpc_card(struct lbs_private *priv)
+{
+ printk(KERN_CRIT "Resetting OLPC wireless via EC...\n");
+ olpc_ec_cmd(0x25, NULL, 0, NULL, 0);
+}
+#endif
+
/**
* @brief sets the configuration values
* @param ifnum interface number
}
/* Upload firmware */
- if (if_usb_prog_firmware(cardp)) {
+ if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) {
lbs_deb_usbd(&udev->dev, "FW upload failed\n");
goto err_prog_firmware;
}
cardp->priv->fw_ready = 1;
priv->hw_host_to_card = if_usb_host_to_card;
- priv->hw_get_int_status = if_usb_get_int_status;
- priv->hw_read_event_cause = if_usb_read_event_cause;
- priv->boot2_version = udev->descriptor.bcdDevice;
+ priv->enter_deep_sleep = NULL;
+ priv->exit_deep_sleep = NULL;
+ priv->reset_deep_sleep_wakeup = NULL;
+#ifdef CONFIG_OLPC
+ if (machine_is_olpc())
+ priv->reset_card = if_usb_reset_olpc_card;
+#endif
+
+ cardp->boot2_version = udev->descriptor.bcdDevice;
if_usb_submit_rx_urb(cardp);
if (lbs_start_card(priv))
goto err_start_card;
- if_usb_set_boot2_ver(priv);
-
- priv->wol_gpio = 2; /* Wake via GPIO2... */
- priv->wol_gap = 20; /* ... after 20ms */
- lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA);
+ if_usb_setup_firmware(priv);
usb_get_dev(udev);
usb_set_intfdata(intf, cardp);
+ if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw))
+ lbs_pr_err("cannot register lbs_flash_fw attribute\n");
+
+ if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2))
+ lbs_pr_err("cannot register lbs_flash_boot2 attribute\n");
+
return 0;
err_start_card:
lbs_deb_enter(LBS_DEB_MAIN);
+ device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2);
+ device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw);
+
cardp->surprise_removed = 1;
if (priv) {
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;
+ const uint8_t *firmware = cardp->fw->data;
/* If we got a CRC failure on the last block, back
up and retry it */
*(__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->size = cpu_to_le16(sizeof(struct cmd_header));
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));
+ usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header));
msleep(100);
ret = usb_reset_device(cardp->udev);
msleep(100);
+#ifdef CONFIG_OLPC
+ if (ret && machine_is_olpc())
+ if_usb_reset_olpc_card(NULL);
+#endif
+
lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
return ret;
/* 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),
+ skb->data + IPFIELD_ALIGN_OFFSET,
MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
cardp);
if (le16_to_cpu(cardp->udev->descriptor.bcdDevice) < 0x3106) {
kfree_skb(skb);
if_usb_submit_rx_urb_fwload(cardp);
- cardp->bootcmdresp = 1;
+ cardp->bootcmdresp = BOOT_CMD_RESP_OK;
lbs_deb_usbd(&cardp->udev->dev,
"Received valid boot command response\n");
return;
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) {
+ } else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) &&
+ (bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) &&
+ (bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) {
lbs_pr_info("boot cmd response cmd_tag error (%d)\n",
bootcmdresp.cmd);
} else if (bootcmdresp.result != BOOT_CMD_RESP_OK) {
kfree_skb(skb);
- /* reschedule timer for 200ms hence */
- mod_timer(&cardp->fw_timeout, jiffies + (HZ/5));
+ /* Give device 5s to either write firmware to its RAM or eeprom */
+ mod_timer(&cardp->fw_timeout, jiffies + (HZ*5));
if (cardp->fwfinalblk) {
cardp->fwdnldover = 1;
skb_pull(skb, MESSAGE_HEADER_LEN);
lbs_process_rxed_packet(priv, skb);
- priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
}
static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
struct if_usb_card *cardp,
struct lbs_private *priv)
{
- uint8_t *cmdbuf;
+ u8 i;
if (recvlength > LBS_CMD_BUFFER_SIZE) {
lbs_deb_usbd(&cardp->udev->dev,
return;
}
- if (!in_interrupt())
- BUG();
+ BUG_ON(!in_interrupt());
spin_lock(&priv->driver_lock);
- /* take care of cur_cmd = NULL case by reading the
- * data to clear the interrupt */
- if (!priv->cur_cmd) {
- lbs_deb_hex(LBS_DEB_HOST, "Unsolicited CMD_RESP",
- (void *) recvbuff + MESSAGE_HEADER_LEN, priv->upld_len);
- cmdbuf = priv->upld_buf;
- priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
- } else
- cmdbuf = (uint8_t *) priv->cur_cmd->cmdbuf;
-
- cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
- priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
- memcpy(cmdbuf, recvbuff + MESSAGE_HEADER_LEN, priv->upld_len);
+ 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_interrupt(priv);
+ lbs_notify_command_response(priv, i);
+
spin_unlock(&priv->driver_lock);
lbs_deb_usbd(&cardp->udev->dev,
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);
break;
case CMD_TYPE_INDICATION:
- /* Event cause handling */
- spin_lock(&priv->driver_lock);
+ /* Event handling */
+ event = le32_to_cpu(pkt[1]);
+ lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event);
+ kfree_skb(skb);
- cardp->usb_event_cause = le32_to_cpu(pkt[1]);
+ /* Icky undocumented magic special case */
+ if (event & 0xffff0000) {
+ u32 trycount = (event & 0xffff0000) >> 16;
- lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
- cardp->usb_event_cause);
+ lbs_send_tx_feedback(priv, trycount);
+ } else
+ lbs_queue_event(priv, event & 0xFF);
+ break;
- /* Icky undocumented magic special case */
- if (cardp->usb_event_cause & 0xffff0000) {
- lbs_send_tx_feedback(priv);
- spin_unlock(&priv->driver_lock);
- break;
- }
- cardp->usb_event_cause <<= 3;
- cardp->usb_int_cause |= MRVDRV_CARDEVENT;
- kfree_skb(skb);
- lbs_interrupt(priv);
- spin_unlock(&priv->driver_lock);
- goto rx_exit;
default:
lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
recvtype);
return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN);
}
-/* called with priv->driver_lock held */
-static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *ireg)
-{
- struct if_usb_card *cardp = priv->card;
-
- *ireg = cardp->usb_int_cause;
- cardp->usb_int_cause = 0;
-
- lbs_deb_usbd(&cardp->udev->dev, "Int cause is 0x%X\n", *ireg);
-
- return 0;
-}
-
-static int if_usb_read_event_cause(struct lbs_private *priv)
-{
- struct if_usb_card *cardp = priv->card;
-
- priv->eventcause = cardp->usb_event_cause;
- /* Re-submit rx urb here to avoid event lost issue */
- if_usb_submit_rx_urb(cardp);
-
- return 0;
-}
-
/**
* @brief This function issues Boot command to the Boot2 code
* @param ivalue 1:Boot from FW by USB-Download
* len image length
* @return 0 or -1
*/
-static int check_fwfile_format(uint8_t *data, uint32_t totlen)
+static int check_fwfile_format(const uint8_t *data, uint32_t totlen)
{
uint32_t bincmd, exit;
uint32_t blksize, offset, len;
}
-static int if_usb_prog_firmware(struct if_usb_card *cardp)
+/**
+* @brief This function programs the firmware subject to cmd
+*
+* @param cardp the if_usb_card descriptor
+* fwname firmware or boot2 image file name
+* cmd either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW,
+* or BOOT_CMD_UPDATE_BOOT2.
+* @return 0 or error code
+*/
+static int if_usb_prog_firmware(struct if_usb_card *cardp,
+ const char *fwname, int cmd)
+{
+ struct lbs_private *priv = cardp->priv;
+ unsigned long flags, caps;
+ int ret;
+
+ caps = priv->fwcapinfo;
+ if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) ||
+ ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE)))
+ return -EOPNOTSUPP;
+
+ /* Ensure main thread is idle. */
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) {
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+ if (wait_event_interruptible(priv->waitq,
+ (priv->cur_cmd == NULL &&
+ priv->dnld_sent == DNLD_RES_RECEIVED))) {
+ return -ERESTARTSYS;
+ }
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ }
+ priv->dnld_sent = DNLD_BOOTCMD_SENT;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ ret = __if_usb_prog_firmware(cardp, fwname, cmd);
+
+ spin_lock_irqsave(&priv->driver_lock, flags);
+ priv->dnld_sent = DNLD_RES_RECEIVED;
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+ wake_up_interruptible(&priv->waitq);
+
+ return ret;
+}
+
+static int __if_usb_prog_firmware(struct if_usb_card *cardp,
+ const char *fwname, int cmd)
{
int i = 0;
static int reset_count = 10;
lbs_deb_enter(LBS_DEB_USB);
- if ((ret = request_firmware(&cardp->fw, lbs_fw_name,
- &cardp->udev->dev)) < 0) {
+ ret = request_firmware(&cardp->fw, fwname, &cardp->udev->dev);
+ if (ret < 0) {
lbs_pr_err("request_firmware() failed with %#x\n", ret);
- lbs_pr_err("firmware %s not found\n", lbs_fw_name);
+ lbs_pr_err("firmware %s not found\n", fwname);
goto done;
}
- if (check_fwfile_format(cardp->fw->data, cardp->fw->size))
+ if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) {
+ ret = -EINVAL;
goto release_fw;
+ }
+
+ /* Cancel any pending usb business */
+ usb_kill_urb(cardp->rx_urb);
+ usb_kill_urb(cardp->tx_urb);
+
+ cardp->fwlastblksent = 0;
+ cardp->fwdnldover = 0;
+ cardp->totalbytes = 0;
+ cardp->fwfinalblk = 0;
+ cardp->bootcmdresp = 0;
restart:
if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
- ret = -1;
+ ret = -EIO;
goto release_fw;
}
do {
int j = 0;
i++;
- /* Issue Boot command = 1, Boot from Download-FW */
- if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
+ if_usb_issue_boot_command(cardp, cmd);
/* wait for command response */
do {
j++;
} while (cardp->bootcmdresp == 0 && j < 10);
} while (cardp->bootcmdresp == 0 && i < 5);
- if (cardp->bootcmdresp <= 0) {
+ if (cardp->bootcmdresp == BOOT_CMD_RESP_NOT_SUPPORTED) {
+ /* Return to normal operation */
+ ret = -EOPNOTSUPP;
+ usb_kill_urb(cardp->rx_urb);
+ usb_kill_urb(cardp->tx_urb);
+ if (if_usb_submit_rx_urb(cardp) < 0)
+ ret = -EIO;
+ goto release_fw;
+ } else if (cardp->bootcmdresp <= 0) {
if (--reset_count >= 0) {
if_usb_reset_device(cardp);
goto restart;
}
- return -1;
+ ret = -EIO;
+ goto release_fw;
}
i = 0;
}
lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
- ret = -1;
+ ret = -EIO;
goto release_fw;
}
.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)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff