linux/linux-5.18.11/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h

/* SPDX-License-Identifier: ISC */
/* Copyright (C) 2020 MediaTek Inc. */

#ifndef __MT7921_MCU_H
#define __MT7921_MCU_H

#include "../mt76_connac_mcu.h"

struct mt7921_mcu_txd {
	__le32 txd[8];

	__le16 len;
	__le16 pq_id;

	u8 cid;
	u8 pkt_type;
	u8 set_query; /* FW don't care */
	u8 seq;

	u8 uc_d2b0_rev;
	u8 ext_cid;
	u8 s2d_index;
	u8 ext_cid_ack;

	u32 reserved[5];
} __packed __aligned(4);

/**
 * struct mt7921_uni_txd - mcu command descriptor for firmware v3
 * @txd: hardware descriptor
 * @len: total length not including txd
 * @cid: command identifier
 * @pkt_type: must be 0xa0 (cmd packet by long format)
 * @frag_n: fragment number
 * @seq: sequence number
 * @checksum: 0 mean there is no checksum
 * @s2d_index: index for command source and destination
 *  Definition              | value | note
 *  CMD_S2D_IDX_H2N         | 0x00  | command from HOST to WM
 *  CMD_S2D_IDX_C2N         | 0x01  | command from WA to WM
 *  CMD_S2D_IDX_H2C         | 0x02  | command from HOST to WA
 *  CMD_S2D_IDX_H2N_AND_H2C | 0x03  | command from HOST to WA and WM
 *
 * @option: command option
 *  BIT[0]: UNI_CMD_OPT_BIT_ACK
 *          set to 1 to request a fw reply
 *          if UNI_CMD_OPT_BIT_0_ACK is set and UNI_CMD_OPT_BIT_2_SET_QUERY
 *          is set, mcu firmware will send response event EID = 0x01
 *          (UNI_EVENT_ID_CMD_RESULT) to the host.
 *  BIT[1]: UNI_CMD_OPT_BIT_UNI_CMD
 *          0: original command
 *          1: unified command
 *  BIT[2]: UNI_CMD_OPT_BIT_SET_QUERY
 *          0: QUERY command
 *          1: SET command
 */
struct mt7921_uni_txd {
	__le32 txd[8];

	/* DW1 */
	__le16 len;
	__le16 cid;

	/* DW2 */
	u8 reserved;
	u8 pkt_type;
	u8 frag_n;
	u8 seq;

	/* DW3 */
	__le16 checksum;
	u8 s2d_index;
	u8 option;

	/* DW4 */
	u8 reserved2[4];
} __packed __aligned(4);

struct mt7921_mcu_tx_done_event {
	u8 pid;
	u8 status;
	__le16 seq;

	u8 wlan_idx;
	u8 tx_cnt;
	__le16 tx_rate;

	u8 flag;
	u8 tid;
	u8 rsp_rate;
	u8 mcs;

	u8 bw;
	u8 tx_pwr;
	u8 reason;
	u8 rsv0[1];

	__le32 delay;
	__le32 timestamp;
	__le32 applied_flag;
	u8 txs[28];

	u8 rsv1[32];
} __packed;

/* ext event table */
enum {
	MCU_EXT_EVENT_RATE_REPORT = 0x87,
};

struct mt7921_mcu_rxd {
	__le32 rxd[6];

	__le16 len;
	__le16 pkt_type_id;

	u8 eid;
	u8 seq;
	__le16 __rsv;

	u8 ext_eid;
	u8 __rsv1[2];
	u8 s2d_index;
};

struct mt7921_mcu_eeprom_info {
	__le32 addr;
	__le32 valid;
	u8 data[16];
} __packed;

#define MT_RA_RATE_NSS			GENMASK(8, 6)
#define MT_RA_RATE_MCS			GENMASK(3, 0)
#define MT_RA_RATE_TX_MODE		GENMASK(12, 9)
#define MT_RA_RATE_DCM_EN		BIT(4)
#define MT_RA_RATE_BW			GENMASK(14, 13)

#define MCU_PQ_ID(p, q)			(((p) << 15) | ((q) << 10))
#define MCU_PKT_ID			0xa0

struct mt7921_mcu_uni_event {
	u8 cid;
	u8 pad[3];
	__le32 status; /* 0: success, others: fail */
} __packed;

enum {
	MT_EBF = BIT(0),	/* explicit beamforming */
	MT_IBF = BIT(1)		/* implicit beamforming */
};

struct mt7921_mcu_reg_event {
	__le32 reg;
	__le32 val;
} __packed;

struct mt7921_mcu_ant_id_config {
	u8 ant_id[4];
} __packed;

struct mt7921_txpwr_req {
	u8 ver;
	u8 action;
	__le16 len;
	u8 dbdc_idx;
	u8 rsv[3];
} __packed;

struct mt7921_txpwr_event {
	u8 ver;
	u8 action;
	__le16 len;
	struct mt7921_txpwr txpwr;
} __packed;

enum {
	TM_SWITCH_MODE,
	TM_SET_AT_CMD,
	TM_QUERY_AT_CMD,
};

enum {
	MT7921_TM_NORMAL,
	MT7921_TM_TESTMODE,
	MT7921_TM_ICAP,
	MT7921_TM_ICAP_OVERLAP,
	MT7921_TM_WIFISPECTRUM,
};

struct mt7921_rftest_cmd {
	u8 action;
	u8 rsv[3];
	__le32 param0;
	__le32 param1;
} __packed;

struct mt7921_rftest_evt {
	__le32 param0;
	__le32 param1;
} __packed;
#endif