path: root/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h

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

#ifndef __MT7915_H
#define __MT7915_H

#include <linux/interrupt.h>
#include <linux/ktime.h>
#include "../mt76.h"
#include "regs.h"

#define MT7915_MAX_INTERFACES		32
#define MT7915_MAX_WMM_SETS		4
#define MT7915_WTBL_SIZE		288
#define MT7915_WTBL_RESERVED		(MT7915_WTBL_SIZE - 1)
#define MT7915_WTBL_STA			(MT7915_WTBL_RESERVED - \
					 MT7915_MAX_INTERFACES)

#define MT7915_WATCHDOG_TIME		(HZ / 10)
#define MT7915_RESET_TIMEOUT		(30 * HZ)

#define MT7915_TX_RING_SIZE		2048
#define MT7915_TX_MCU_RING_SIZE		256
#define MT7915_TX_FWDL_RING_SIZE	128

#define MT7915_RX_RING_SIZE		1536
#define MT7915_RX_MCU_RING_SIZE		512

#define MT7915_FIRMWARE_WA		"mediatek/mt7915_wa.bin"
#define MT7915_FIRMWARE_WM		"mediatek/mt7915_wm.bin"
#define MT7915_ROM_PATCH		"mediatek/mt7915_rom_patch.bin"

#define MT7915_EEPROM_SIZE		3584
#define MT7915_TOKEN_SIZE		8192
#define MT7915_TOKEN_FREE_THR		64

#define MT7915_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
#define MT7915_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
#define MT7915_5G_RATE_DEFAULT		0x4b	/* OFDM 6M */
#define MT7915_2G_RATE_DEFAULT		0x0	/* CCK 1M */

#define MT7915_SKU_RATE_NUM		161
#define MT7915_SKU_MAX_DELTA_IDX	MT7915_SKU_RATE_NUM
#define MT7915_SKU_TABLE_SIZE		(MT7915_SKU_RATE_NUM + 1)

struct mt7915_vif;
struct mt7915_sta;
struct mt7915_dfs_pulse;
struct mt7915_dfs_pattern;

enum mt7915_txq_id {
	MT7915_TXQ_FWDL = 16,
	MT7915_TXQ_MCU_WM,
	MT7915_TXQ_BAND0,
	MT7915_TXQ_BAND1,
	MT7915_TXQ_MCU_WA,
};

enum mt7915_rxq_id {
	MT7915_RXQ_BAND0 = 0,
	MT7915_RXQ_BAND1,
	MT7915_RXQ_MCU_WM = 0,
	MT7915_RXQ_MCU_WA,
};

struct mt7915_sta_stats {
	struct rate_info prob_rate;
	struct rate_info tx_rate;

	unsigned long per;
	unsigned long changed;
	unsigned long jiffies;
};

struct mt7915_sta {
	struct mt76_wcid wcid; /* must be first */

	struct mt7915_vif *vif;

	struct list_head stats_list;
	struct list_head poll_list;
	struct list_head rc_list;
	u32 airtime_ac[8];

	struct mt7915_sta_stats stats;

	unsigned long ampdu_state;
};

struct mt7915_vif {
	u16 idx;
	u8 omac_idx;
	u8 band_idx;
	u8 wmm_idx;

	struct mt7915_sta sta;
	struct mt7915_phy *phy;

	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
};

struct mib_stats {
	u16 ack_fail_cnt;
	u16 fcs_err_cnt;
	u16 rts_cnt;
	u16 rts_retries_cnt;
	u16 ba_miss_cnt;
};

struct mt7915_phy {
	struct mt76_phy *mt76;
	struct mt7915_dev *dev;

	struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];

	struct ieee80211_vif *monitor_vif;

	u32 rxfilter;
	u64 omac_mask;

	u16 noise;
	u16 chainmask;

	s16 coverage_class;
	u8 slottime;

	u8 rdd_state;
	int dfs_state;

	__le32 rx_ampdu_ts;
	u32 ampdu_ref;

	struct mib_stats mib;
	struct list_head stats_list;

	struct delayed_work mac_work;
	u8 mac_work_count;
	u8 sta_work_count;
};

struct mt7915_dev {
	union { /* must be first */
		struct mt76_dev mt76;
		struct mt76_phy mphy;
	};

	const struct mt76_bus_ops *bus_ops;
	struct mt7915_phy phy;

	u16 chainmask;

	struct work_struct init_work;
	struct work_struct rc_work;
	struct work_struct reset_work;
	wait_queue_head_t reset_wait;
	u32 reset_state;

	struct list_head sta_rc_list;
	struct list_head sta_poll_list;
	spinlock_t sta_poll_lock;

	u32 hw_pattern;

	spinlock_t token_lock;
	int token_count;
	struct idr token;

	s8 **rate_power; /* TODO: use mt76_rate_power */

	bool dbdc_support;
	bool fw_debug;

#ifdef CONFIG_NL80211_TESTMODE
	struct {
		u32 *reg_backup;

		s32 last_freq_offset;
		u8 last_rcpi[4];
		s8 last_ib_rssi[4];
		s8 last_wb_rssi[4];
		u8 last_snr;

		u8 spe_idx;
	} test;
#endif
};

enum {
	HW_BSSID_0 = 0x0,
	HW_BSSID_1,
	HW_BSSID_2,
	HW_BSSID_3,
	HW_BSSID_MAX = HW_BSSID_3,
	EXT_BSSID_START = 0x10,
	EXT_BSSID_1,
	EXT_BSSID_15 = 0x1f,
	EXT_BSSID_MAX = EXT_BSSID_15,
	REPEATER_BSSID_START = 0x20,
	REPEATER_BSSID_MAX = 0x3f,
};

enum {
	MT_LMAC_AC00,
	MT_LMAC_AC01,
	MT_LMAC_AC02,
	MT_LMAC_AC03,
	MT_LMAC_ALTX0 = 0x10,
	MT_LMAC_BMC0,
	MT_LMAC_BCN0,
};

enum {
	MT_RX_SEL0,
	MT_RX_SEL1,
};

enum mt7915_rdd_cmd {
	RDD_STOP,
	RDD_START,
	RDD_DET_MODE,
	RDD_RADAR_EMULATE,
	RDD_START_TXQ = 20,
	RDD_CAC_START = 50,
	RDD_CAC_END,
	RDD_NORMAL_START,
	RDD_DISABLE_DFS_CAL,
	RDD_PULSE_DBG,
	RDD_READ_PULSE,
	RDD_RESUME_BF,
	RDD_IRQ_OFF,
};

enum {
	RATE_CTRL_RU_INFO,
	RATE_CTRL_FIXED_RATE_INFO,
	RATE_CTRL_DUMP_INFO,
	RATE_CTRL_MU_INFO,
};

static inline struct mt7915_phy *
mt7915_hw_phy(struct ieee80211_hw *hw)
{
	struct mt76_phy *phy = hw->priv;

	return phy->priv;
}

static inline struct mt7915_dev *
mt7915_hw_dev(struct ieee80211_hw *hw)
{
	struct mt76_phy *phy = hw->priv;

	return container_of(phy->dev, struct mt7915_dev, mt76);
}

static inline struct mt7915_phy *
mt7915_ext_phy(struct mt7915_dev *dev)
{
	struct mt76_phy *phy = dev->mt76.phy2;

	if (!phy)
		return NULL;

	return phy->priv;
}

static inline u8 mt7915_lmac_mapping(struct mt7915_dev *dev, u8 ac)
{
	/* LMAC uses the reverse order of mac80211 AC indexes */
	return 3 - ac;
}

extern const struct ieee80211_ops mt7915_ops;
extern struct pci_driver mt7915_pci_driver;
extern const struct mt76_testmode_ops mt7915_testmode_ops;

u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);

int mt7915_register_device(struct mt7915_dev *dev);
void mt7915_unregister_device(struct mt7915_dev *dev);
int mt7915_eeprom_init(struct mt7915_dev *dev);
void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy);
int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
				   struct ieee80211_channel *chan,
				   u8 chain_idx);
void mt7915_eeprom_init_sku(struct mt7915_dev *dev);
int mt7915_dma_init(struct mt7915_dev *dev);
void mt7915_dma_prefetch(struct mt7915_dev *dev);
void mt7915_dma_cleanup(struct mt7915_dev *dev);
int mt7915_mcu_init(struct mt7915_dev *dev);
int mt7915_mcu_add_dev_info(struct mt7915_phy *phy,
			    struct ieee80211_vif *vif, bool enable);
int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
			    struct ieee80211_vif *vif, int enable);
int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
		       struct ieee80211_sta *sta, bool enable);
int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
			   struct ieee80211_sta *sta, bool enable);
int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
				    struct ieee80211_vif *vif,
				    struct ieee80211_sta *sta);
int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
			 struct ieee80211_ampdu_params *params,
			 bool add);
int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
			 struct ieee80211_ampdu_params *params,
			 bool add);
int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
		       struct mt7915_sta *msta, struct ieee80211_key_conf *key,
		       enum set_key_cmd cmd);
int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
			  int enable);
int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
                            bool enable);
int mt7915_mcu_add_rate_ctrl(