[][MAC80211][misc][preliminary version of Filogic 680 on Filogic 880]
[Description]
Add preliminary version of Filogic 680 on Filogic 880.
Based on mt76 revision: 269df4b01f27 ("wifi: mt76: fix rx checksum offload on mt7615/mt7915/mt7921")
This series adds mt7996, a new mac80211 driver for MediaTek Wi-Fi 7
(802.11be) devices, which currently supports AP, station, mesh, and
monitor modes.
mt7996 first supports Filogic 680, which is a Wi-Fi 7 chipset supporting
concurrent tri-band operation at 6 GHz, 5 GHz, and 2.4 GHz with 4x4
antennas on each band. There are several variants that will be added in
upcoming patches. For more details, please refer to [1].
mt7996 supports only Wi-Fi 6E at the moment, whereas Wi-Fi 7 and its
specific features are work in progress. They will be introduced in
further patches.
[1] https://corp.mediatek.com/news-events/press-releases/mediatek-announces-worlds-first-complete-wi-fi-7-platforms-for-access-points-and-clients
[Release-log]
N/A
Change-Id: I7d3dea2626556751c9b0462e587743fad5287be0
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6709775
diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt76x0/pci_mcu.c b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt76x0/pci_mcu.c
new file mode 100644
index 0000000..f096250
--- /dev/null
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt76x0/pci_mcu.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ */
+#include <linux/kernel.h>
+#include <linux/firmware.h>
+
+#include "mt76x0.h"
+#include "mcu.h"
+
+#define MT_MCU_IVB_ADDR (MT_MCU_ILM_ADDR + 0x54000 - MT_MCU_IVB_SIZE)
+
+static int mt76x0e_load_firmware(struct mt76x02_dev *dev)
+{
+ bool is_combo_chip = mt76_chip(&dev->mt76) != 0x7610;
+ u32 val, ilm_len, dlm_len, offset = 0;
+ const struct mt76x02_fw_header *hdr;
+ const struct firmware *fw;
+ const char *firmware;
+ const u8 *fw_payload;
+ int len, err;
+
+ if (is_combo_chip)
+ firmware = MT7650E_FIRMWARE;
+ else
+ firmware = MT7610E_FIRMWARE;
+
+ err = request_firmware(&fw, firmware, dev->mt76.dev);
+ if (err)
+ return err;
+
+ if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+ err = -EIO;
+ goto out;
+ }
+
+ hdr = (const struct mt76x02_fw_header *)fw->data;
+
+ len = sizeof(*hdr);
+ len += le32_to_cpu(hdr->ilm_len);
+ len += le32_to_cpu(hdr->dlm_len);
+
+ if (fw->size != len) {
+ err = -EIO;
+ goto out;
+ }
+
+ fw_payload = fw->data + sizeof(*hdr);
+
+ val = le16_to_cpu(hdr->fw_ver);
+ dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n",
+ (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf);
+
+ val = le16_to_cpu(hdr->fw_ver);
+ dev_dbg(dev->mt76.dev,
+ "Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n",
+ (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf,
+ le16_to_cpu(hdr->build_ver), hdr->build_time);
+
+ if (is_combo_chip && !mt76_poll(dev, MT_MCU_SEMAPHORE_00, 1, 1, 600)) {
+ dev_err(dev->mt76.dev,
+ "Could not get hardware semaphore for loading fw\n");
+ err = -ETIMEDOUT;
+ goto out;
+ }
+
+ /* upload ILM. */
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
+ ilm_len = le32_to_cpu(hdr->ilm_len);
+ if (is_combo_chip) {
+ ilm_len -= MT_MCU_IVB_SIZE;
+ offset = MT_MCU_IVB_SIZE;
+ }
+ dev_dbg(dev->mt76.dev, "loading FW - ILM %u\n", ilm_len);
+ mt76_wr_copy(dev, MT_MCU_ILM_ADDR + offset, fw_payload + offset,
+ ilm_len);
+
+ /* upload IVB. */
+ if (is_combo_chip) {
+ dev_dbg(dev->mt76.dev, "loading FW - IVB %u\n",
+ MT_MCU_IVB_SIZE);
+ mt76_wr_copy(dev, MT_MCU_IVB_ADDR, fw_payload, MT_MCU_IVB_SIZE);
+ }
+
+ /* upload DLM. */
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_DLM_OFFSET);
+ dlm_len = le32_to_cpu(hdr->dlm_len);
+ dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len);
+ mt76_wr_copy(dev, MT_MCU_ILM_ADDR,
+ fw_payload + le32_to_cpu(hdr->ilm_len), dlm_len);
+
+ /* trigger firmware */
+ mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
+ if (is_combo_chip)
+ mt76_wr(dev, MT_MCU_INT_LEVEL, 0x3);
+ else
+ mt76_wr(dev, MT_MCU_RESET_CTL, 0x300);
+
+ if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 1000)) {
+ dev_err(dev->mt76.dev, "Firmware failed to start\n");
+ err = -ETIMEDOUT;
+ goto out;
+ }
+
+ mt76x02_set_ethtool_fwver(dev, hdr);
+ dev_dbg(dev->mt76.dev, "Firmware running!\n");
+
+out:
+ if (is_combo_chip)
+ mt76_wr(dev, MT_MCU_SEMAPHORE_00, 0x1);
+ release_firmware(fw);
+
+ return err;
+}
+
+int mt76x0e_mcu_init(struct mt76x02_dev *dev)
+{
+ static const struct mt76_mcu_ops mt76x0e_mcu_ops = {
+ .mcu_send_msg = mt76x02_mcu_msg_send,
+ .mcu_parse_response = mt76x02_mcu_parse_response,
+ };
+ int err;
+
+ dev->mt76.mcu_ops = &mt76x0e_mcu_ops;
+
+ err = mt76x0e_load_firmware(dev);
+ if (err < 0)
+ return err;
+
+ set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
+
+ return 0;
+}