1 // SPDX-License-Identifier: ISC
6 #include <linux/kernel.h>
7 #include <linux/firmware.h>
8 #include <linux/delay.h>
10 #include "mt76x2.h"
11 #include "mcu.h"
12 #include "eeprom.h"
25 		dev_err(dev->mt76.dev,  in mt76pci_load_rom_patch()
26 			"Could not get hardware semaphore for ROM PATCH\n");  in mt76pci_load_rom_patch()
27 		return -ETIMEDOUT;  in mt76pci_load_rom_patch()
39 		dev_info(dev->mt76.dev, "ROM patch already applied\n");  in mt76pci_load_rom_patch()
43 	ret = request_firmware(&fw, MT7662_ROM_PATCH, dev->mt76.dev);  in mt76pci_load_rom_patch()
47 	if (!fw || !fw->data || fw->size <= sizeof(*hdr)) {  in mt76pci_load_rom_patch()
48 		ret = -EIO;  in mt76pci_load_rom_patch()
49 		dev_err(dev->mt76.dev, "Failed to load firmware\n");  in mt76pci_load_rom_patch()
53 	hdr = (struct mt76x02_patch_header *)fw->data;  in mt76pci_load_rom_patch()
54 	dev_info(dev->mt76.dev, "ROM patch build: %.15s\n", hdr->build_time);  in mt76pci_load_rom_patch()
58 	cur = (__le32 *)(fw->data + sizeof(*hdr));  in mt76pci_load_rom_patch()
59 	len = fw->size - sizeof(*hdr);  in mt76pci_load_rom_patch()
64 	/* Trigger ROM */  in mt76pci_load_rom_patch()
68 		dev_err(dev->mt76.dev, "Failed to load ROM patch\n");  in mt76pci_load_rom_patch()
69 		ret = -ETIMEDOUT;  in mt76pci_load_rom_patch()
89 	ret = request_firmware(&fw, MT7662_FIRMWARE, dev->mt76.dev);  in mt76pci_load_firmware()
93 	if (!fw || !fw->data || fw->size < sizeof(*hdr))  in mt76pci_load_firmware()
96 	hdr = (const struct mt76x02_fw_header *)fw->data;  in mt76pci_load_firmware()
99 	len += le32_to_cpu(hdr->ilm_len);  in mt76pci_load_firmware()
100 	len += le32_to_cpu(hdr->dlm_len);  in mt76pci_load_firmware()
102 	if (fw->size != len)  in mt76pci_load_firmware()
105 	val = le16_to_cpu(hdr->fw_ver);  in mt76pci_load_firmware()
106 	dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n",  in mt76pci_load_firmware()
109 	val = le16_to_cpu(hdr->build_ver);  in mt76pci_load_firmware()
110 	dev_info(dev->mt76.dev, "Build: %x\n", val);  in mt76pci_load_firmware()
111 	dev_info(dev->mt76.dev, "Build Time: %.16s\n", hdr->build_time);  in mt76pci_load_firmware()
113 	cur = (__le32 *)(fw->data + sizeof(*hdr));  in mt76pci_load_firmware()
114 	len = le32_to_cpu(hdr->ilm_len);  in mt76pci_load_firmware()
120 	len = le32_to_cpu(hdr->dlm_len);  in mt76pci_load_firmware()
139 		dev_err(dev->mt76.dev, "Firmware failed to start\n");  in mt76pci_load_firmware()
141 		return -ETIMEDOUT;  in mt76pci_load_firmware()
145 	dev_info(dev->mt76.dev, "Firmware running!\n");  in mt76pci_load_firmware()
152 	dev_err(dev->mt76.dev, "Invalid firmware\n");  in mt76pci_load_firmware()
154 	return -ENOENT;  in mt76pci_load_firmware()
186 	dev->mt76.mcu_ops = &mt76x2_mcu_ops;  in mt76x2_mcu_init()