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path: root/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c
new file mode 100644
index 000000000..ac83ce5f3
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/firmware.h>
+#include <linux/delay.h>
+
+#include "mt76x2.h"
+#include "mcu.h"
+#include "eeprom.h"
+
+int mt76x2_mcu_set_channel(struct mt76x02_dev *dev, u8 channel, u8 bw,
+ u8 bw_index, bool scan)
+{
+ struct {
+ u8 idx;
+ u8 scan;
+ u8 bw;
+ u8 _pad0;
+
+ __le16 chainmask;
+ u8 ext_chan;
+ u8 _pad1;
+
+ } __packed __aligned(4) msg = {
+ .idx = channel,
+ .scan = scan,
+ .bw = bw,
+ .chainmask = cpu_to_le16(dev->mphy.chainmask),
+ };
+
+ /* first set the channel without the extension channel info */
+ mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg,
+ sizeof(msg), true);
+
+ usleep_range(5000, 10000);
+
+ msg.ext_chan = 0xe0 + bw_index;
+ return mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg,
+ sizeof(msg), true);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mcu_set_channel);
+
+int mt76x2_mcu_load_cr(struct mt76x02_dev *dev, u8 type, u8 temp_level,
+ u8 channel)
+{
+ struct {
+ u8 cr_mode;
+ u8 temp;
+ u8 ch;
+ u8 _pad0;
+
+ __le32 cfg;
+ } __packed __aligned(4) msg = {
+ .cr_mode = type,
+ .temp = temp_level,
+ .ch = channel,
+ };
+ u32 val;
+
+ val = BIT(31);
+ val |= (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_0) >> 8) & 0x00ff;
+ val |= (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) << 8) & 0xff00;
+ msg.cfg = cpu_to_le32(val);
+
+ /* first set the channel without the extension channel info */
+ return mt76_mcu_send_msg(&dev->mt76, CMD_LOAD_CR, &msg, sizeof(msg),
+ true);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mcu_load_cr);
+
+int mt76x2_mcu_init_gain(struct mt76x02_dev *dev, u8 channel, u32 gain,
+ bool force)
+{
+ struct {
+ __le32 channel;
+ __le32 gain_val;
+ } __packed __aligned(4) msg = {
+ .channel = cpu_to_le32(channel),
+ .gain_val = cpu_to_le32(gain),
+ };
+
+ if (force)
+ msg.channel |= cpu_to_le32(BIT(31));
+
+ return mt76_mcu_send_msg(&dev->mt76, CMD_INIT_GAIN_OP, &msg,
+ sizeof(msg), true);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mcu_init_gain);
+
+int mt76x2_mcu_tssi_comp(struct mt76x02_dev *dev,
+ struct mt76x2_tssi_comp *tssi_data)
+{
+ struct {
+ __le32 id;
+ struct mt76x2_tssi_comp data;
+ } __packed __aligned(4) msg = {
+ .id = cpu_to_le32(MCU_CAL_TSSI_COMP),
+ .data = *tssi_data,
+ };
+
+ return mt76_mcu_send_msg(&dev->mt76, CMD_CALIBRATION_OP, &msg,
+ sizeof(msg), true);
+}
+EXPORT_SYMBOL_GPL(mt76x2_mcu_tssi_comp);