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path: root/drivers/net/wireless/libertas/if_usb.c
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Diffstat (limited to 'drivers/net/wireless/libertas/if_usb.c')
-rw-r--r--drivers/net/wireless/libertas/if_usb.c64
1 files changed, 55 insertions, 9 deletions
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 3ff61063671a..efaf85032208 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -26,15 +26,25 @@
#define MESSAGE_HEADER_LEN 4
-static char *lbs_fw_name = "usb8388.bin";
+static char *lbs_fw_name = NULL;
module_param_named(fw_name, lbs_fw_name, charp, 0644);
+MODULE_FIRMWARE("libertas/usb8388_v9.bin");
+MODULE_FIRMWARE("libertas/usb8388_v5.bin");
+MODULE_FIRMWARE("libertas/usb8388.bin");
+MODULE_FIRMWARE("libertas/usb8682.bin");
MODULE_FIRMWARE("usb8388.bin");
+enum {
+ MODEL_UNKNOWN = 0x0,
+ MODEL_8388 = 0x1,
+ MODEL_8682 = 0x2
+};
+
static struct usb_device_id if_usb_table[] = {
/* Enter the device signature inside */
- { USB_DEVICE(0x1286, 0x2001) },
- { USB_DEVICE(0x05a3, 0x8388) },
+ { USB_DEVICE(0x1286, 0x2001), .driver_info = MODEL_8388 },
+ { USB_DEVICE(0x05a3, 0x8388), .driver_info = MODEL_8388 },
{} /* Terminating entry */
};
@@ -66,6 +76,8 @@ static ssize_t if_usb_firmware_set(struct device *dev,
struct if_usb_card *cardp = priv->card;
int ret;
+ BUG_ON(buf == NULL);
+
ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW);
if (ret == 0)
return count;
@@ -91,6 +103,8 @@ static ssize_t if_usb_boot2_set(struct device *dev,
struct if_usb_card *cardp = priv->card;
int ret;
+ BUG_ON(buf == NULL);
+
ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2);
if (ret == 0)
return count;
@@ -244,6 +258,7 @@ static int if_usb_probe(struct usb_interface *intf,
init_waitqueue_head(&cardp->fw_wq);
cardp->udev = udev;
+ cardp->model = (uint32_t) id->driver_info;
iface_desc = intf->cur_altsetting;
lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
@@ -472,11 +487,12 @@ static int if_usb_reset_device(struct if_usb_card *cardp)
*/
static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb)
{
- int ret = -1;
+ int ret;
/* check if device is removed */
if (cardp->surprise_removed) {
lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
+ ret = -ENODEV;
goto tx_ret;
}
@@ -489,7 +505,6 @@ static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb
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;
@@ -924,6 +939,38 @@ static int if_usb_prog_firmware(struct if_usb_card *cardp,
return ret;
}
+/* table of firmware file names */
+static const struct {
+ u32 model;
+ const char *fwname;
+} fw_table[] = {
+ { MODEL_8388, "libertas/usb8388_v9.bin" },
+ { MODEL_8388, "libertas/usb8388_v5.bin" },
+ { MODEL_8388, "libertas/usb8388.bin" },
+ { MODEL_8388, "usb8388.bin" },
+ { MODEL_8682, "libertas/usb8682.bin" }
+};
+
+static int get_fw(struct if_usb_card *cardp, const char *fwname)
+{
+ int i;
+
+ /* Try user-specified firmware first */
+ if (fwname)
+ return request_firmware(&cardp->fw, fwname, &cardp->udev->dev);
+
+ /* Otherwise search for firmware to use */
+ for (i = 0; i < ARRAY_SIZE(fw_table); i++) {
+ if (fw_table[i].model != cardp->model)
+ continue;
+ if (request_firmware(&cardp->fw, fw_table[i].fwname,
+ &cardp->udev->dev) == 0)
+ return 0;
+ }
+
+ return -ENOENT;
+}
+
static int __if_usb_prog_firmware(struct if_usb_card *cardp,
const char *fwname, int cmd)
{
@@ -933,10 +980,9 @@ static int __if_usb_prog_firmware(struct if_usb_card *cardp,
lbs_deb_enter(LBS_DEB_USB);
- 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", fwname);
+ ret = get_fw(cardp, fwname);
+ if (ret) {
+ lbs_pr_err("failed to find firmware (%d)\n", ret);
goto done;
}