diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hif_usb.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/hif_usb.c | 106 |
1 files changed, 81 insertions, 25 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 10c02f5..165dd20 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -17,12 +17,8 @@ #include <asm/unaligned.h> #include "htc.h" -/* identify firmware images */ -#define FIRMWARE_AR7010_1_1 "htc_7010.fw" -#define FIRMWARE_AR9271 "htc_9271.fw" - -MODULE_FIRMWARE(FIRMWARE_AR7010_1_1); -MODULE_FIRMWARE(FIRMWARE_AR9271); +MODULE_FIRMWARE(HTC_7010_MODULE_FW); +MODULE_FIRMWARE(HTC_9271_MODULE_FW); static struct usb_device_id ath9k_hif_usb_ids[] = { { USB_DEVICE(0x0cf3, 0x9271) }, /* Atheros */ @@ -1080,12 +1076,88 @@ static void ath9k_hif_usb_firmware_fail(struct hif_device_usb *hif_dev) device_unlock(parent); } +static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context); + +/* taken from iwlwifi */ +static int ath9k_hif_request_firmware(struct hif_device_usb *hif_dev, + bool first) +{ + char index[8], *chip; + int ret; + + if (first) { + if (htc_use_dev_fw) { + hif_dev->fw_minor_index = FIRMWARE_MINOR_IDX_MAX + 1; + sprintf(index, "%s", "dev"); + } else { + hif_dev->fw_minor_index = FIRMWARE_MINOR_IDX_MAX; + sprintf(index, "%d", hif_dev->fw_minor_index); + } + } else { + hif_dev->fw_minor_index--; + sprintf(index, "%d", hif_dev->fw_minor_index); + } + + /* test for FW 1.3 */ + if (MAJOR_VERSION_REQ == 1 && hif_dev->fw_minor_index == 3) { + const char *filename; + + if (IS_AR7010_DEVICE(hif_dev->usb_device_id->driver_info)) + filename = FIRMWARE_AR7010_1_1; + else + filename = FIRMWARE_AR9271; + + /* expected fw locations: + * - htc_9271.fw (stable version 1.3, depricated) + */ + snprintf(hif_dev->fw_name, sizeof(hif_dev->fw_name), + "%s", filename); + + } else if (hif_dev->fw_minor_index < FIRMWARE_MINOR_IDX_MIN) { + dev_err(&hif_dev->udev->dev, "no suitable firmware found!\n"); + + return -ENOENT; + } else { + if (IS_AR7010_DEVICE(hif_dev->usb_device_id->driver_info)) + chip = "7010"; + else + chip = "9271"; + + /* expected fw locations: + * - ath9k_htc/htc_9271-1.dev.0.fw (development version) + * - ath9k_htc/htc_9271-1.4.0.fw (stable version) + */ + snprintf(hif_dev->fw_name, sizeof(hif_dev->fw_name), + "%s/htc_%s-%d.%s.0.fw", HTC_FW_PATH, + chip, MAJOR_VERSION_REQ, index); + } + + ret = request_firmware_nowait(THIS_MODULE, true, hif_dev->fw_name, + &hif_dev->udev->dev, GFP_KERNEL, + hif_dev, ath9k_hif_usb_firmware_cb); + if (ret) { + dev_err(&hif_dev->udev->dev, + "ath9k_htc: Async request for firmware %s failed\n", + hif_dev->fw_name); + return ret; + } + + dev_info(&hif_dev->udev->dev, "ath9k_htc: Firmware %s requested\n", + hif_dev->fw_name); + + return ret; +} + static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context) { struct hif_device_usb *hif_dev = context; int ret; if (!fw) { + ret = ath9k_hif_request_firmware(hif_dev, false); + if (!ret) + return; + dev_err(&hif_dev->udev->dev, "ath9k_htc: Failed to get firmware %s\n", hif_dev->fw_name); @@ -1215,27 +1287,11 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface, init_completion(&hif_dev->fw_done); - /* Find out which firmware to load */ - - if (IS_AR7010_DEVICE(id->driver_info)) - hif_dev->fw_name = FIRMWARE_AR7010_1_1; - else - hif_dev->fw_name = FIRMWARE_AR9271; - - ret = request_firmware_nowait(THIS_MODULE, true, hif_dev->fw_name, - &hif_dev->udev->dev, GFP_KERNEL, - hif_dev, ath9k_hif_usb_firmware_cb); - if (ret) { - dev_err(&hif_dev->udev->dev, - "ath9k_htc: Async request for firmware %s failed\n", - hif_dev->fw_name); + ret = ath9k_hif_request_firmware(hif_dev, true); + if (ret) goto err_fw_req; - } - dev_info(&hif_dev->udev->dev, "ath9k_htc: Firmware %s requested\n", - hif_dev->fw_name); - - return 0; + return ret; err_fw_req: usb_set_intfdata(interface, NULL); |