1 // SPDX-License-Identifier: GPL-2.0-only
3  * (c) Copyright 2002-2010, Ralink Technology, Inc.
11 #include <linux/usb.h>
17 #include "usb.h"
47 	for (i = 0; i < skb->len / 4; i++)  in trace_mt_mcu_msg_send_cs()
48 		csum ^= get_unaligned_le32(skb->data + i * 4);  in trace_mt_mcu_msg_send_cs()
70 	struct urb *urb = dev->mcu.resp.urb;  in mt7601u_mcu_wait_resp()
74 	while (i--) {  in mt7601u_mcu_wait_resp()
75 		if (!wait_for_completion_timeout(&dev->mcu.resp_cmpl,  in mt7601u_mcu_wait_resp()
77 			dev_warn(dev->dev, "Warning: %s retrying\n", __func__);  in mt7601u_mcu_wait_resp()
82 		rxfce = get_unaligned_le32(dev->mcu.resp.buf);  in mt7601u_mcu_wait_resp()
83 		urb_status = urb->status * mt7601u_urb_has_error(urb);  in mt7601u_mcu_wait_resp()
86 					     &dev->mcu.resp, GFP_KERNEL,  in mt7601u_mcu_wait_resp()
88 					     &dev->mcu.resp_cmpl);  in mt7601u_mcu_wait_resp()
93 			dev_err(dev->dev, "Error: MCU resp urb failed:%d\n",  in mt7601u_mcu_wait_resp()
100 		dev_err(dev->dev, "Error: MCU resp evt:%lx seq:%hhx-%lx!\n",  in mt7601u_mcu_wait_resp()
105 	dev_err(dev->dev, "Error: %s timed out\n", __func__);  in mt7601u_mcu_wait_resp()
106 	return -ETIMEDOUT;  in mt7601u_mcu_wait_resp()
115 					    dev->out_eps[MT_EP_OUT_INBAND_CMD]);  in mt7601u_mcu_msg_send()
119 	if (test_bit(MT7601U_STATE_REMOVED, &dev->state)) {  in mt7601u_mcu_msg_send()
124 	mutex_lock(&dev->mcu.mutex);  in mt7601u_mcu_msg_send()
128 			seq = ++dev->mcu.msg_seq & 0xf;  in mt7601u_mcu_msg_send()
132 	if (dev->mcu.resp_cmpl.done)  in mt7601u_mcu_msg_send()
133 		dev_err(dev->dev, "Error: MCU response pre-completed!\n");  in mt7601u_mcu_msg_send()
136 	trace_mt_submit_urb_sync(dev, cmd_pipe, skb->len);  in mt7601u_mcu_msg_send()
137 	ret = usb_bulk_msg(usb_dev, cmd_pipe, skb->data, skb->len, &sent, 500);  in mt7601u_mcu_msg_send()
139 		dev_err(dev->dev, "Error: send MCU cmd failed:%d\n", ret);  in mt7601u_mcu_msg_send()
142 	if (sent != skb->len)  in mt7601u_mcu_msg_send()
143 		dev_err(dev->dev, "Error: %s sent != skb->len\n", __func__);  in mt7601u_mcu_msg_send()
148 	mutex_unlock(&dev->mcu.mutex);  in mt7601u_mcu_msg_send()
169 		return -ENOMEM;  in mt7601u_mcu_function_select()
177 	if (!test_bit(MT7601U_STATE_MCU_RUNNING, &dev->state))  in mt7601u_mcu_tssi_read_kick()
183 		dev_warn(dev->dev, "Warning: MCU TSSI read kick failed\n");  in mt7601u_mcu_tssi_read_kick()
187 	dev->tssi_read_trig = true;  in mt7601u_mcu_tssi_read_kick()
193 mt7601u_mcu_calibrate(struct mt7601u_dev *dev, enum mcu_calibrate cal, u32 val)  in mt7601u_mcu_calibrate()  argument
200 		.id = cpu_to_le32(cal),  in mt7601u_mcu_calibrate()
206 		return -ENOMEM;  in mt7601u_mcu_calibrate()
224 		return -ENOMEM;  in mt7601u_write_reg_pairs()
236 	return mt7601u_write_reg_pairs(dev, base, data + cnt, n - cnt);  in mt7601u_write_reg_pairs()
242 	const int max_regs_per_cmd = INBAND_PACKET_MAX_LEN / 4 - 1;  in mt7601u_burst_write_regs()
253 		return -ENOMEM;  in mt7601u_burst_write_regs()
265 					data + cnt, n - cnt);  in mt7601u_burst_write_regs()
318 		dev_err(dev->dev, "Error: firmware upload timed out\n");  in __mt7601u_dma_fw()
320 		return -ETIMEDOUT;  in __mt7601u_dma_fw()
323 		dev_err(dev->dev, "Error: firmware upload urb failed:%d\n",  in __mt7601u_dma_fw()
324 			buf.urb->status);  in __mt7601u_dma_fw()
325 		return buf.urb->status;  in __mt7601u_dma_fw()
350 		return -ETIMEDOUT;  in mt7601u_dma_fw()
352 	return mt7601u_dma_fw(dev, dma_buf, data + n, len - n, dst_addr + n);  in mt7601u_dma_fw()
363 	ivb = kmemdup(fw->ivb, sizeof(fw->ivb), GFP_KERNEL);  in mt7601u_upload_firmware()
365 		return -ENOMEM;  in mt7601u_upload_firmware()
367 		ret = -ENOMEM;  in mt7601u_upload_firmware()
371 	ilm_len = le32_to_cpu(fw->hdr.ilm_len) - sizeof(fw->ivb);  in mt7601u_upload_firmware()
372 	dev_dbg(dev->dev, "loading FW - ILM %u + IVB %zu\n",  in mt7601u_upload_firmware()
373 		ilm_len, sizeof(fw->ivb));  in mt7601u_upload_firmware()
374 	ret = mt7601u_dma_fw(dev, &dma_buf, fw->ilm, ilm_len, sizeof(fw->ivb));  in mt7601u_upload_firmware()
378 	dlm_len = le32_to_cpu(fw->hdr.dlm_len);  in mt7601u_upload_firmware()
379 	dev_dbg(dev->dev, "loading FW - DLM %u\n", dlm_len);  in mt7601u_upload_firmware()
380 	ret = mt7601u_dma_fw(dev, &dma_buf, fw->ilm + ilm_len,  in mt7601u_upload_firmware()
386 				     0x12, 0, ivb, sizeof(fw->ivb));  in mt7601u_upload_firmware()
391 	for (i = 100; i && !firmware_running(dev); i--)  in mt7601u_upload_firmware()
394 		ret = -ETIMEDOUT;  in mt7601u_upload_firmware()
398 	dev_dbg(dev->dev, "Firmware running!\n");  in mt7601u_upload_firmware()
417 		return firmware_request_cache(dev->dev, MT7601U_FIRMWARE);  in mt7601u_load_firmware()
419 	ret = request_firmware(&fw, MT7601U_FIRMWARE, dev->dev);  in mt7601u_load_firmware()
423 	if (!fw || !fw->data || fw->size < sizeof(*hdr))  in mt7601u_load_firmware()
426 	hdr = (const struct mt76_fw_header *) fw->data;  in mt7601u_load_firmware()
428 	if (le32_to_cpu(hdr->ilm_len) <= MT_MCU_IVB_SIZE)  in mt7601u_load_firmware()
432 	len += le32_to_cpu(hdr->ilm_len);  in mt7601u_load_firmware()
433 	len += le32_to_cpu(hdr->dlm_len);  in mt7601u_load_firmware()
435 	if (fw->size != len)  in mt7601u_load_firmware()
438 	val = le16_to_cpu(hdr->fw_ver);  in mt7601u_load_firmware()
439 	dev_info(dev->dev,  in mt7601u_load_firmware()
442 		 le16_to_cpu(hdr->build_ver), hdr->build_time);  in mt7601u_load_firmware()
444 	len = le32_to_cpu(hdr->ilm_len);  in mt7601u_load_firmware()
479 	ret = mt7601u_upload_firmware(dev, (const struct mt76_fw *)fw->data);  in mt7601u_load_firmware()
486 	dev_err(dev->dev, "Invalid firmware image\n");  in mt7601u_load_firmware()
488 	return -ENOENT;  in mt7601u_load_firmware()
495 	mutex_init(&dev->mcu.mutex);  in mt7601u_mcu_init()
501 	set_bit(MT7601U_STATE_MCU_RUNNING, &dev->state);  in mt7601u_mcu_init()
514 	init_completion(&dev->mcu.resp_cmpl);  in mt7601u_mcu_cmd_init()
515 	if (mt7601u_usb_alloc_buf(dev, MCU_RESP_URB_SIZE, &dev->mcu.resp)) {  in mt7601u_mcu_cmd_init()
516 		mt7601u_usb_free_buf(dev, &dev->mcu.resp);  in mt7601u_mcu_cmd_init()
517 		return -ENOMEM;  in mt7601u_mcu_cmd_init()
521 				     &dev->mcu.resp, GFP_KERNEL,  in mt7601u_mcu_cmd_init()
522 				     mt7601u_complete_urb, &dev->mcu.resp_cmpl);  in mt7601u_mcu_cmd_init()
524 		mt7601u_usb_free_buf(dev, &dev->mcu.resp);  in mt7601u_mcu_cmd_init()
533 	usb_kill_urb(dev->mcu.resp.urb);  in mt7601u_mcu_cmd_deinit()
534 	mt7601u_usb_free_buf(dev, &dev->mcu.resp);  in mt7601u_mcu_cmd_deinit()