ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/net/wireless/ralink/rt2x00/rt2x00firmware.c b/marvell/linux/drivers/net/wireless/ralink/rt2x00/rt2x00firmware.c
new file mode 100644
index 0000000..c20886b
--- /dev/null
+++ b/marvell/linux/drivers/net/wireless/ralink/rt2x00/rt2x00firmware.c
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+ Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
+ <http://rt2x00.serialmonkey.com>
+
+ */
+
+/*
+ Module: rt2x00lib
+ Abstract: rt2x00 firmware loading routines.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev)
+{
+ struct device *device = wiphy_dev(rt2x00dev->hw->wiphy);
+ const struct firmware *fw;
+ char *fw_name;
+ int retval;
+
+ /*
+ * Read correct firmware from harddisk.
+ */
+ fw_name = rt2x00dev->ops->lib->get_firmware_name(rt2x00dev);
+ if (!fw_name) {
+ rt2x00_err(rt2x00dev,
+ "Invalid firmware filename\n"
+ "Please file bug report to %s\n", DRV_PROJECT);
+ return -EINVAL;
+ }
+
+ rt2x00_info(rt2x00dev, "Loading firmware file '%s'\n", fw_name);
+
+ retval = request_firmware(&fw, fw_name, device);
+ if (retval) {
+ rt2x00_err(rt2x00dev, "Failed to request Firmware\n");
+ return retval;
+ }
+
+ if (!fw || !fw->size || !fw->data) {
+ rt2x00_err(rt2x00dev, "Failed to read Firmware\n");
+ release_firmware(fw);
+ return -ENOENT;
+ }
+
+ rt2x00_info(rt2x00dev, "Firmware detected - version: %d.%d\n",
+ fw->data[fw->size - 4], fw->data[fw->size - 3]);
+ snprintf(rt2x00dev->hw->wiphy->fw_version,
+ sizeof(rt2x00dev->hw->wiphy->fw_version), "%d.%d",
+ fw->data[fw->size - 4], fw->data[fw->size - 3]);
+
+ retval = rt2x00dev->ops->lib->check_firmware(rt2x00dev, fw->data, fw->size);
+ switch (retval) {
+ case FW_OK:
+ break;
+ case FW_BAD_CRC:
+ rt2x00_err(rt2x00dev, "Firmware checksum error\n");
+ goto exit;
+ case FW_BAD_LENGTH:
+ rt2x00_err(rt2x00dev, "Invalid firmware file length (len=%zu)\n",
+ fw->size);
+ goto exit;
+ case FW_BAD_VERSION:
+ rt2x00_err(rt2x00dev, "Current firmware does not support detected chipset\n");
+ goto exit;
+ }
+
+ rt2x00dev->fw = fw;
+
+ return 0;
+
+exit:
+ release_firmware(fw);
+
+ return -ENOENT;
+}
+
+int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ if (!rt2x00_has_cap_flag(rt2x00dev, REQUIRE_FIRMWARE))
+ return 0;
+
+ if (!rt2x00dev->fw) {
+ retval = rt2x00lib_request_firmware(rt2x00dev);
+ if (retval)
+ return retval;
+ }
+
+ /*
+ * Send firmware to the device.
+ */
+ retval = rt2x00dev->ops->lib->load_firmware(rt2x00dev,
+ rt2x00dev->fw->data,
+ rt2x00dev->fw->size);
+
+ /*
+ * When the firmware is uploaded to the hardware the LED
+ * association status might have been triggered, for correct
+ * LED handling it should now be reset.
+ */
+ rt2x00leds_led_assoc(rt2x00dev, false);
+
+ return retval;
+}
+
+void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
+{
+ release_firmware(rt2x00dev->fw);
+ rt2x00dev->fw = NULL;
+}