Merge tag 'mt76-for-kvalo-2022-07-11' of https://github.com/nbd168/wireless

mt76 patches for 5.20

- preparation for new chipset support
- fixes
- VHT/HE related improvements
- ACPI SAR support

[kvalo@kernel.org: fix mac80211 API changes in start_ap() and stop_ap()]

1 files changed, 303 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 389f8c61939d..9b17bd97ec09 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: ISC
 /* Copyright (C) 2020 MediaTek Inc. */
 
+#include <linux/firmware.h>
+#include "mt76_connac2_mac.h"
 #include "mt76_connac_mcu.h"
 
 int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option)
@@ -1403,6 +1405,8 @@ int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy,
 		else
 			conn_type = CONNECTION_INFRA_AP;
 		basic_req.basic.conn_type = cpu_to_le32(conn_type);
+		/* Fully active/deactivate BSS network in AP mode only */
+		basic_req.basic.active = enable;
 		break;
 	case NL80211_IFTYPE_STATION:
 		if (vif->p2p)
@@ -2808,5 +2812,304 @@ int mt76_connac_mcu_rdd_cmd(struct mt76_dev *dev, int cmd, u8 index,
 }
 EXPORT_SYMBOL_GPL(mt76_connac_mcu_rdd_cmd);
 
+static int
+mt76_connac_mcu_send_ram_firmware(struct mt76_dev *dev,
+				  const struct mt76_connac2_fw_trailer *hdr,
+				  const u8 *data, bool is_wa)
+{
+	int i, offset = 0, max_len = mt76_is_sdio(dev) ? 2048 : 4096;
+	u32 override = 0, option = 0;
+
+	for (i = 0; i < hdr->n_region; i++) {
+		const struct mt76_connac2_fw_region *region;
+		u32 len, addr, mode;
+		int err;
+
+		region = (const void *)((const u8 *)hdr -
+					(hdr->n_region - i) * sizeof(*region));
+		mode = mt76_connac_mcu_gen_dl_mode(dev, region->feature_set,
+						   is_wa);
+		len = le32_to_cpu(region->len);
+		addr = le32_to_cpu(region->addr);
+
+		if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
+			override = addr;
+
+		err = mt76_connac_mcu_init_download(dev, addr, len, mode);
+		if (err) {
+			dev_err(dev->dev, "Download request failed\n");
+			return err;
+		}
+
+		err = __mt76_mcu_send_firmware(dev, MCU_CMD(FW_SCATTER),
+					       data + offset, len, max_len);
+		if (err) {
+			dev_err(dev->dev, "Failed to send firmware.\n");
+			return err;
+		}
+
+		offset += len;
+	}
+
+	if (override)
+		option |= FW_START_OVERRIDE;
+	if (is_wa)
+		option |= FW_START_WORKING_PDA_CR4;
+
+	return mt76_connac_mcu_start_firmware(dev, override, option);
+}
+
+int mt76_connac2_load_ram(struct mt76_dev *dev, const char *fw_wm,
+			  const char *fw_wa)
+{
+	const struct mt76_connac2_fw_trailer *hdr;
+	const struct firmware *fw;
+	int ret;
+
+	ret = request_firmware(&fw, fw_wm, dev->dev);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+		dev_err(dev->dev, "Invalid firmware\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
+	dev_info(dev->dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
+		 hdr->fw_ver, hdr->build_date);
+
+	ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, false);
+	if (ret) {
+		dev_err(dev->dev, "Failed to start WM firmware\n");
+		goto out;
+	}
+
+	release_firmware(fw);
+
+	if (!fw_wa)
+		return 0;
+
+	ret = request_firmware(&fw, fw_wa, dev->dev);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+		dev_err(dev->dev, "Invalid firmware\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
+	dev_info(dev->dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
+		 hdr->fw_ver, hdr->build_date);
+
+	ret = mt76_connac_mcu_send_ram_firmware(dev, hdr, fw->data, true);
+	if (ret) {
+		dev_err(dev->dev, "Failed to start WA firmware\n");
+		goto out;
+	}
+
+	snprintf(dev->hw->wiphy->fw_version,
+		 sizeof(dev->hw->wiphy->fw_version),
+		 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
+
+out:
+	release_firmware(fw);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mt76_connac2_load_ram);
+
+static u32 mt76_connac2_get_data_mode(struct mt76_dev *dev, u32 info)
+{
+	u32 mode = DL_MODE_NEED_RSP;
+
+	if (!is_mt7921(dev) || info == PATCH_SEC_NOT_SUPPORT)
+		return mode;
+
+	switch (FIELD_GET(PATCH_SEC_ENC_TYPE_MASK, info)) {
+	case PATCH_SEC_ENC_TYPE_PLAIN:
+		break;
+	case PATCH_SEC_ENC_TYPE_AES:
+		mode |= DL_MODE_ENCRYPT;
+		mode |= FIELD_PREP(DL_MODE_KEY_IDX,
+				(info & PATCH_SEC_ENC_AES_KEY_MASK)) & DL_MODE_KEY_IDX;
+		mode |= DL_MODE_RESET_SEC_IV;
+		break;
+	case PATCH_SEC_ENC_TYPE_SCRAMBLE:
+		mode |= DL_MODE_ENCRYPT;
+		mode |= DL_CONFIG_ENCRY_MODE_SEL;
+		mode |= DL_MODE_RESET_SEC_IV;
+		break;
+	default:
+		dev_err(dev->dev, "Encryption type not support!\n");
+	}
+
+	return mode;
+}
+
+int mt76_connac2_load_patch(struct mt76_dev *dev, const char *fw_name)
+{
+	int i, ret, sem, max_len = mt76_is_sdio(dev) ? 2048 : 4096;
+	const struct mt76_connac2_patch_hdr *hdr;
+	const struct firmware *fw = NULL;
+
+	sem = mt76_connac_mcu_patch_sem_ctrl(dev, true);
+	switch (sem) {
+	case PATCH_IS_DL:
+		return 0;
+	case PATCH_NOT_DL_SEM_SUCCESS:
+		break;
+	default:
+		dev_err(dev->dev, "Failed to get patch semaphore\n");
+		return -EAGAIN;
+	}
+
+	ret = request_firmware(&fw, fw_name, dev->dev);
+	if (ret)
+		goto out;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+		dev_err(dev->dev, "Invalid firmware\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	hdr = (const void *)fw->data;
+	dev_info(dev->dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
+		 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
+
+	for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
+		struct mt76_connac2_patch_sec *sec;
+		u32 len, addr, mode;
+		const u8 *dl;
+		u32 sec_info;
+
+		sec = (void *)(fw->data + sizeof(*hdr) + i * sizeof(*sec));
+		if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
+		    PATCH_SEC_TYPE_INFO) {
+			ret = -EINVAL;
+			goto out;
+		}
+
+		addr = be32_to_cpu(sec->info.addr);
+		len = be32_to_cpu(sec->info.len);
+		dl = fw->data + be32_to_cpu(sec->offs);
+		sec_info = be32_to_cpu(sec->info.sec_key_idx);
+		mode = mt76_connac2_get_data_mode(dev, sec_info);
+
+		ret = mt76_connac_mcu_init_download(dev, addr, len, mode);
+		if (ret) {
+			dev_err(dev->dev, "Download request failed\n");
+			goto out;
+		}
+
+		ret = __mt76_mcu_send_firmware(dev, MCU_CMD(FW_SCATTER),
+					       dl, len, max_len);
+		if (ret) {
+			dev_err(dev->dev, "Failed to send patch\n");
+			goto out;
+		}
+	}
+
+	ret = mt76_connac_mcu_start_patch(dev);
+	if (ret)
+		dev_err(dev->dev, "Failed to start patch\n");
+
+out:
+	sem = mt76_connac_mcu_patch_sem_ctrl(dev, false);
+	switch (sem) {
+	case PATCH_REL_SEM_SUCCESS:
+		break;
+	default:
+		ret = -EAGAIN;
+		dev_err(dev->dev, "Failed to release patch semaphore\n");
+		break;
+	}
+
+	release_firmware(fw);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mt76_connac2_load_patch);
+
+int mt76_connac2_mcu_fill_message(struct mt76_dev *dev, struct sk_buff *skb,
+				  int cmd, int *wait_seq)
+{
+	int txd_len, mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
+	struct mt76_connac2_mcu_uni_txd *uni_txd;
+	struct mt76_connac2_mcu_txd *mcu_txd;
+	__le32 *txd;
+	u32 val;
+	u8 seq;
+
+	/* TODO: make dynamic based on msg type */
+	dev->mcu.timeout = 20 * HZ;
+
+	seq = ++dev->mcu.msg_seq & 0xf;
+	if (!seq)
+		seq = ++dev->mcu.msg_seq & 0xf;
+
+	if (cmd == MCU_CMD(FW_SCATTER))
+		goto exit;
+
+	txd_len = cmd & __MCU_CMD_FIELD_UNI ? sizeof(*uni_txd) : sizeof(*mcu_txd);
+	txd = (__le32 *)skb_push(skb, txd_len);
+
+	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
+	      FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
+	      FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
+	txd[0] = cpu_to_le32(val);
+
+	val = MT_TXD1_LONG_FORMAT |
+	      FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
+	txd[1] = cpu_to_le32(val);
+
+	if (cmd & __MCU_CMD_FIELD_UNI) {
+		uni_txd = (struct mt76_connac2_mcu_uni_txd *)txd;
+		uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
+		uni_txd->option = MCU_CMD_UNI_EXT_ACK;
+		uni_txd->cid = cpu_to_le16(mcu_cmd);
+		uni_txd->s2d_index = MCU_S2D_H2N;
+		uni_txd->pkt_type = MCU_PKT_ID;
+		uni_txd->seq = seq;
+
+		goto exit;
+	}
+
+	mcu_txd = (struct mt76_connac2_mcu_txd *)txd;
+	mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
+	mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
+					       MT_TX_MCU_PORT_RX_Q0));
+	mcu_txd->pkt_type = MCU_PKT_ID;
+	mcu_txd->seq = seq;
+	mcu_txd->cid = mcu_cmd;
+	mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
+
+	if (mcu_txd->ext_cid || (cmd & __MCU_CMD_FIELD_CE)) {
+		if (cmd & __MCU_CMD_FIELD_QUERY)
+			mcu_txd->set_query = MCU_Q_QUERY;
+		else
+			mcu_txd->set_query = MCU_Q_SET;
+		mcu_txd->ext_cid_ack = !!mcu_txd->ext_cid;
+	} else {
+		mcu_txd->set_query = MCU_Q_NA;
+	}
+
+	if (cmd & __MCU_CMD_FIELD_WA)
+		mcu_txd->s2d_index = MCU_S2D_H2C;
+	else
+		mcu_txd->s2d_index = MCU_S2D_H2N;
+
+exit:
+	if (wait_seq)
+		*wait_seq = seq;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76_connac2_mcu_fill_message);
+
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
 MODULE_LICENSE("Dual BSD/GPL");