1 // SPDX-License-Identifier: ISC
3  * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
23 	struct mt76_usb *usb = &dev->usb;  in mt76x02u_multiple_mcu_reads()
26 	WARN_ON_ONCE(len / 8 != usb->mcu.rp_len);  in mt76x02u_multiple_mcu_reads()
28 	for (i = 0; i < usb->mcu.rp_len; i++) {  in mt76x02u_multiple_mcu_reads()
29 		u32 reg = get_unaligned_le32(data + 8 * i) - usb->mcu.base;  in mt76x02u_multiple_mcu_reads()
32 		WARN_ON_ONCE(usb->mcu.rp[i].reg != reg);  in mt76x02u_multiple_mcu_reads()
33 		usb->mcu.rp[i].value = val;  in mt76x02u_multiple_mcu_reads()
37 static int mt76x02u_mcu_wait_resp(struct mt76_dev *dev, u8 seq)  in mt76x02u_mcu_wait_resp()  argument
39 	struct mt76_usb *usb = &dev->usb;  in mt76x02u_mcu_wait_resp()
40 	u8 *data = usb->mcu.data;  in mt76x02u_mcu_wait_resp()
47 		if (ret == -ETIMEDOUT)  in mt76x02u_mcu_wait_resp()
52 		if (usb->mcu.rp)  in mt76x02u_mcu_wait_resp()
53 			mt76x02u_multiple_mcu_reads(dev, data + 4, len - 8);  in mt76x02u_mcu_wait_resp()
56 		if (seq == FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce) &&  in mt76x02u_mcu_wait_resp()
60 		dev_err(dev->dev, "error: MCU resp evt:%lx seq:%hhx-%lx\n",  in mt76x02u_mcu_wait_resp()
62 			seq, FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce));  in mt76x02u_mcu_wait_resp()
65 	dev_err(dev->dev, "error: %s failed with %d\n", __func__, ret);  in mt76x02u_mcu_wait_resp()
73 	u8 seq = 0;  in __mt76x02u_mcu_send_msg()  local
77 	if (test_bit(MT76_REMOVED, &dev->phy.state)) {  in __mt76x02u_mcu_send_msg()
83 		seq = ++dev->mcu.msg_seq & 0xf;  in __mt76x02u_mcu_send_msg()
84 		if (!seq)  in __mt76x02u_mcu_send_msg()
85 			seq = ++dev->mcu.msg_seq & 0xf;  in __mt76x02u_mcu_send_msg()
88 	info = FIELD_PREP(MT_MCU_MSG_CMD_SEQ, seq) |  in __mt76x02u_mcu_send_msg()
95 	ret = mt76u_bulk_msg(dev, skb->data, skb->len, NULL, 500,  in __mt76x02u_mcu_send_msg()
101 		ret = mt76x02u_mcu_wait_resp(dev, seq);  in __mt76x02u_mcu_send_msg()
118 		return -ENOMEM;  in mt76x02u_mcu_send_msg()
120 	mutex_lock(&dev->mcu.mutex);  in mt76x02u_mcu_send_msg()
122 	mutex_unlock(&dev->mcu.mutex);  in mt76x02u_mcu_send_msg()
148 		return -ENOMEM;  in mt76x02u_mcu_wr_rp()
156 	mutex_lock(&dev->mcu.mutex);  in mt76x02u_mcu_wr_rp()
158 	mutex_unlock(&dev->mcu.mutex);  in mt76x02u_mcu_wr_rp()
162 	return mt76x02u_mcu_wr_rp(dev, base, data + cnt, n - cnt);  in mt76x02u_mcu_wr_rp()
171 	struct mt76_usb *usb = &dev->usb;  in mt76x02u_mcu_rd_rp()
180 		return -EINVAL;  in mt76x02u_mcu_rd_rp()
184 		return -ENOMEM;  in mt76x02u_mcu_rd_rp()
192 	mutex_lock(&dev->mcu.mutex);  in mt76x02u_mcu_rd_rp()
194 	usb->mcu.rp = data;  in mt76x02u_mcu_rd_rp()
195 	usb->mcu.rp_len = n;  in mt76x02u_mcu_rd_rp()
196 	usb->mcu.base = base;  in mt76x02u_mcu_rd_rp()
200 	usb->mcu.rp = NULL;  in mt76x02u_mcu_rd_rp()
202 	mutex_unlock(&dev->mcu.mutex);  in mt76x02u_mcu_rd_rp()
209 	mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE,  in mt76x02u_mcu_fw_reset()
231 	mt76u_single_wr(&dev->mt76, MT_VEND_WRITE_FCE,  in __mt76x02u_mcu_fw_send_data()
234 	mt76u_single_wr(&dev->mt76, MT_VEND_WRITE_FCE,  in __mt76x02u_mcu_fw_send_data()
239 	err = mt76u_bulk_msg(&dev->mt76, data, data_len, NULL, 1000,  in __mt76x02u_mcu_fw_send_data()
242 		dev_err(dev->mt76.dev, "firmware upload failed: %d\n", err);  in __mt76x02u_mcu_fw_send_data()
256 	int len, err = 0, pos = 0, max_len = max_payload - 8;  in mt76x02u_mcu_fw_send_data()
261 		return -ENOMEM;  in mt76x02u_mcu_fw_send_data()
270 		data_len -= len;  in mt76x02u_mcu_fw_send_data()
291 	dev->mcu_ops = &mt76x02u_mcu_ops;  in mt76x02u_init_mcu()
295 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");