1 /* SPDX-License-Identifier: ISC */
3 #include <linux/firmware.h>
8 #define MCU_SKB_RESERVE 8
10 struct mt7603_fw_trailer {
17 __mt7603_mcu_msg_send(struct mt7603_dev *dev, struct sk_buff *skb, int cmd,
18 int query, int *wait_seq)
20 int hdrlen = dev->mcu_running ? sizeof(struct mt7603_mcu_txd) : 12;
21 struct mt76_dev *mdev = &dev->mt76;
22 struct mt7603_mcu_txd *txd;
28 seq = ++mdev->mmio.mcu.msg_seq & 0xf;
30 seq = ++mdev->mmio.mcu.msg_seq & 0xf;
32 txd = (struct mt7603_mcu_txd *)skb_push(skb, hdrlen);
33 memset(txd, 0, hdrlen);
35 txd->len = cpu_to_le16(skb->len);
36 if (cmd == -MCU_CMD_FW_SCATTER)
37 txd->pq_id = cpu_to_le16(MCU_PORT_QUEUE_FW);
39 txd->pq_id = cpu_to_le16(MCU_PORT_QUEUE);
40 txd->pkt_type = MCU_PKT_ID;
46 txd->cid = MCU_CMD_EXT_CID;
48 if (query != MCU_Q_NA)
52 txd->set_query = query;
57 return mt76_tx_queue_skb_raw(dev, MT_TXQ_MCU, skb, 0);
61 mt7603_mcu_msg_send(struct mt7603_dev *dev, struct sk_buff *skb, int cmd,
64 struct mt76_dev *mdev = &dev->mt76;
65 unsigned long expires = jiffies + 3 * HZ;
66 struct mt7603_mcu_rxd *rxd;
69 mutex_lock(&mdev->mmio.mcu.mutex);
71 ret = __mt7603_mcu_msg_send(dev, skb, cmd, query, &seq);
76 bool check_seq = false;
78 skb = mt76_mcu_get_response(&dev->mt76, expires);
81 "MCU message %d (seq %d) timed out\n",
83 dev->mcu_hang = MT7603_WATCHDOG_TIMEOUT;
88 rxd = (struct mt7603_mcu_rxd *)skb->data;
99 mutex_unlock(&mdev->mmio.mcu.mutex);
105 mt7603_mcu_init_download(struct mt7603_dev *dev, u32 addr, u32 len)
112 .addr = cpu_to_le32(addr),
113 .len = cpu_to_le32(len),
114 .mode = cpu_to_le32(BIT(31)),
116 struct sk_buff *skb = mt7603_mcu_msg_alloc(&req, sizeof(req));
118 return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_TARGET_ADDRESS_LEN_REQ,
123 mt7603_mcu_send_firmware(struct mt7603_dev *dev, const void *data, int len)
129 int cur_len = min_t(int, 4096 - sizeof(struct mt7603_mcu_txd),
132 skb = mt7603_mcu_msg_alloc(data, cur_len);
136 ret = __mt7603_mcu_msg_send(dev, skb, -MCU_CMD_FW_SCATTER,
149 mt7603_mcu_start_firmware(struct mt7603_dev *dev, u32 addr)
155 .override = cpu_to_le32(addr ? 1 : 0),
156 .addr = cpu_to_le32(addr),
158 struct sk_buff *skb = mt7603_mcu_msg_alloc(&req, sizeof(req));
160 return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_FW_START_REQ,
165 mt7603_mcu_restart(struct mt7603_dev *dev)
167 struct sk_buff *skb = mt7603_mcu_msg_alloc(NULL, 0);
169 return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_RESTART_DL_REQ,
174 mt7603_load_firmware(struct mt7603_dev *dev)
176 const struct firmware *fw;
177 const struct mt7603_fw_trailer *hdr;
178 const char *firmware;
183 if (is_mt7628(dev)) {
184 if (mt76xx_rev(dev) == MT7628_REV_E1)
185 firmware = MT7628_FIRMWARE_E1;
187 firmware = MT7628_FIRMWARE_E2;
189 if (mt76xx_rev(dev) < MT7603_REV_E2)
190 firmware = MT7603_FIRMWARE_E1;
192 firmware = MT7603_FIRMWARE_E2;
195 ret = request_firmware(&fw, firmware, dev->mt76.dev);
199 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
200 dev_err(dev->mt76.dev, "Invalid firmware\n");
205 hdr = (const struct mt7603_fw_trailer *)(fw->data + fw->size -
208 dev_info(dev->mt76.dev, "Firmware Version: %.10s\n", hdr->fw_ver);
209 dev_info(dev->mt76.dev, "Build Time: %.15s\n", hdr->build_date);
211 addr = mt7603_reg_map(dev, 0x50012498);
212 mt76_wr(dev, addr, 0x5);
213 mt76_wr(dev, addr, 0x5);
216 /* switch to bypass mode */
217 mt76_rmw(dev, MT_SCH_4, MT_SCH_4_FORCE_QID,
218 MT_SCH_4_BYPASS | FIELD_PREP(MT_SCH_4_FORCE_QID, 5));
220 val = mt76_rr(dev, MT_TOP_MISC2);
222 dev_info(dev->mt76.dev, "Firmware already running...\n");
226 if (!mt76_poll_msec(dev, MT_TOP_MISC2, BIT(0) | BIT(1), BIT(0), 500)) {
227 dev_err(dev->mt76.dev, "Timeout waiting for ROM code to become ready\n");
232 dl_len = le32_to_cpu(hdr->dl_len) + 4;
233 ret = mt7603_mcu_init_download(dev, MCU_FIRMWARE_ADDRESS, dl_len);
235 dev_err(dev->mt76.dev, "Download request failed\n");
239 ret = mt7603_mcu_send_firmware(dev, fw->data, dl_len);
241 dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
245 ret = mt7603_mcu_start_firmware(dev, MCU_FIRMWARE_ADDRESS);
247 dev_err(dev->mt76.dev, "Failed to start firmware\n");
251 if (!mt76_poll_msec(dev, MT_TOP_MISC2, BIT(1), BIT(1), 500)) {
252 dev_err(dev->mt76.dev, "Timeout waiting for firmware to initialize\n");
258 mt76_clear(dev, MT_SCH_4, MT_SCH_4_FORCE_QID | MT_SCH_4_BYPASS);
260 mt76_set(dev, MT_SCH_4, BIT(8));
261 mt76_clear(dev, MT_SCH_4, BIT(8));
263 dev->mcu_running = true;
264 dev_info(dev->mt76.dev, "firmware init done\n");
267 release_firmware(fw);
272 int mt7603_mcu_init(struct mt7603_dev *dev)
274 mutex_init(&dev->mt76.mmio.mcu.mutex);
276 return mt7603_load_firmware(dev);
279 void mt7603_mcu_exit(struct mt7603_dev *dev)
281 mt7603_mcu_restart(dev);
282 skb_queue_purge(&dev->mt76.mmio.mcu.res_q);
285 int mt7603_mcu_set_eeprom(struct mt7603_dev *dev)
287 static const u16 req_fields[] = {
288 #define WORD(_start) \
291 #define GROUP_2G(_start) \
296 MT_EE_NIC_CONF_0 + 1,
297 WORD(MT_EE_NIC_CONF_1),
298 MT_EE_WIFI_RF_SETTING,
299 MT_EE_TX_POWER_DELTA_BW40,
300 MT_EE_TX_POWER_DELTA_BW80 + 1,
301 MT_EE_TX_POWER_EXT_PA_5G,
302 MT_EE_TEMP_SENSOR_CAL,
303 GROUP_2G(MT_EE_TX_POWER_0_START_2G),
304 GROUP_2G(MT_EE_TX_POWER_1_START_2G),
305 WORD(MT_EE_TX_POWER_CCK),
306 WORD(MT_EE_TX_POWER_OFDM_2G_6M),
307 WORD(MT_EE_TX_POWER_OFDM_2G_24M),
308 WORD(MT_EE_TX_POWER_OFDM_2G_54M),
309 WORD(MT_EE_TX_POWER_HT_BPSK_QPSK),
310 WORD(MT_EE_TX_POWER_HT_16_64_QAM),
311 WORD(MT_EE_TX_POWER_HT_64_QAM),
312 MT_EE_ELAN_RX_MODE_GAIN,
313 MT_EE_ELAN_RX_MODE_NF,
314 MT_EE_ELAN_RX_MODE_P1DB,
315 MT_EE_ELAN_BYPASS_MODE_GAIN,
316 MT_EE_ELAN_BYPASS_MODE_NF,
317 MT_EE_ELAN_BYPASS_MODE_P1DB,
318 WORD(MT_EE_STEP_NUM_NEG_6_7),
319 WORD(MT_EE_STEP_NUM_NEG_4_5),
320 WORD(MT_EE_STEP_NUM_NEG_2_3),
321 WORD(MT_EE_STEP_NUM_NEG_0_1),
322 WORD(MT_EE_REF_STEP_24G),
323 WORD(MT_EE_STEP_NUM_PLUS_1_2),
324 WORD(MT_EE_STEP_NUM_PLUS_3_4),
325 WORD(MT_EE_STEP_NUM_PLUS_5_6),
326 MT_EE_STEP_NUM_PLUS_7,
327 MT_EE_XTAL_FREQ_OFFSET,
328 MT_EE_XTAL_TRIM_2_COMP,
329 MT_EE_XTAL_TRIM_3_COMP,
332 /* unknown fields below */
343 WORD(0x130), WORD(0x132), WORD(0x134), WORD(0x136),
344 WORD(0x138), WORD(0x13a), WORD(0x13c), WORD(0x13e),
361 .len = ARRAY_SIZE(req_fields) - 1,
364 struct req_data *data;
365 const int size = 0xff * sizeof(struct req_data);
366 u8 *eep = (u8 *)dev->mt76.eeprom.data;
369 BUILD_BUG_ON(ARRAY_SIZE(req_fields) * sizeof(*data) > size);
371 skb = mt7603_mcu_msg_alloc(NULL, size + sizeof(req_hdr));
372 memcpy(skb_put(skb, sizeof(req_hdr)), &req_hdr, sizeof(req_hdr));
373 data = (struct req_data *)skb_put(skb, size);
374 memset(data, 0, size);
376 for (i = 0; i < ARRAY_SIZE(req_fields); i++) {
377 data[i].addr = cpu_to_le16(req_fields[i]);
378 data[i].val = eep[req_fields[i]];
382 return mt7603_mcu_msg_send(dev, skb, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
386 static int mt7603_mcu_set_tx_power(struct mt7603_dev *dev)
393 u8 rate_power_delta[14];
395 u8 ch_power_delta[6];
396 u8 temp_comp_power[17];
399 .center_channel = dev->mt76.chandef.chan->hw_value,
400 #define EEP_VAL(n) ((u8 *)dev->mt76.eeprom.data)[n]
401 .tssi = EEP_VAL(MT_EE_NIC_CONF_1 + 1),
402 .temp_comp = EEP_VAL(MT_EE_NIC_CONF_1),
404 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 2),
405 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 2)
407 .bw_power_delta = EEP_VAL(MT_EE_TX_POWER_DELTA_BW40),
409 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 3),
410 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 4),
411 EEP_VAL(MT_EE_TX_POWER_0_START_2G + 5),
412 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 3),
413 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 4),
414 EEP_VAL(MT_EE_TX_POWER_1_START_2G + 5)
419 u8 *eep = (u8 *)dev->mt76.eeprom.data;
421 memcpy(req.rate_power_delta, eep + MT_EE_TX_POWER_CCK,
422 sizeof(req.rate_power_delta));
424 memcpy(req.temp_comp_power, eep + MT_EE_STEP_NUM_NEG_6_7,
425 sizeof(req.temp_comp_power));
427 skb = mt7603_mcu_msg_alloc(&req, sizeof(req));
428 return mt7603_mcu_msg_send(dev, skb, MCU_EXT_CMD_SET_TX_POWER_CTRL,
432 int mt7603_mcu_set_channel(struct mt7603_dev *dev)
434 struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
435 struct ieee80211_hw *hw = mt76_hw(dev);
436 int n_chains = hweight8(dev->mt76.antenna_mask);
447 .control_chan = chandef->chan->hw_value,
448 .center_chan = chandef->chan->hw_value,
450 .tx_streams = n_chains,
451 .rx_streams = n_chains,
458 if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_40) {
460 if (chandef->center_freq1 > chandef->chan->center_freq)
461 req.center_chan += 2;
463 req.center_chan -= 2;
466 tx_power = hw->conf.power_level * 2;
467 if (dev->mt76.antenna_mask == 3)
469 tx_power = min(tx_power, dev->tx_power_limit);
471 dev->mt76.txpower_cur = tx_power;
473 for (i = 0; i < ARRAY_SIZE(req.txpower); i++)
474 req.txpower[i] = tx_power;
476 skb = mt7603_mcu_msg_alloc(&req, sizeof(req));
477 ret = mt7603_mcu_msg_send(dev, skb, MCU_EXT_CMD_CHANNEL_SWITCH,
482 return mt7603_mcu_set_tx_power(dev);