path: root/drivers/net/wireless/mediatek/mt76/mt792x.h

/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/* Copyright (C) 2023 MediaTek Inc. */

#ifndef __MT792X_H
#define __MT792X_H

#include <linux/interrupt.h>
#include <linux/ktime.h>

#include "mt76_connac_mcu.h"
#include "mt792x_regs.h"
#include "mt792x_acpi_sar.h"

#define MT792x_PM_TIMEOUT	(HZ / 12)
#define MT792x_HW_SCAN_TIMEOUT	(HZ / 10)

#define MT792x_MAX_INTERFACES	4
#define MT792x_WTBL_SIZE	20
#define MT792x_WTBL_RESERVED	(MT792x_WTBL_SIZE - 1)
#define MT792x_WTBL_STA		(MT792x_WTBL_RESERVED - MT792x_MAX_INTERFACES)

#define MT792x_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
#define MT792x_CFEND_RATE_11B		0x03	/* 11B LP, 11M */

#define MT792x_FW_TAG_FEATURE	4
#define MT792x_FW_CAP_CNM	BIT(7)

#define MT792x_CHIP_CAP_CLC_EVT_EN BIT(0)
#define MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN BIT(1)
#define MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN BIT(3)
#define MT792x_CHIP_CAP_11D_EN BIT(4)
#define MT792x_CHIP_CAP_MLO_EN BIT(8)
#define MT792x_CHIP_CAP_MLO_EML_EN BIT(9)

/* NOTE: used to map mt76_rates. idx may change if firmware expands table */
#define MT792x_BASIC_RATES_TBL	11

#define MT792x_WATCHDOG_TIME	(HZ / 4)

#define MT792x_DRV_OWN_RETRY_COUNT	10
#define MT792x_MCU_INIT_RETRY_COUNT	10
#define MT792x_WFSYS_INIT_RETRY_COUNT	2

#define MT7902_FIRMWARE_WM	"mediatek/WIFI_RAM_CODE_MT7902_1.bin"
#define MT7920_FIRMWARE_WM	"mediatek/WIFI_RAM_CODE_MT7961_1a.bin"
#define MT7921_FIRMWARE_WM	"mediatek/WIFI_RAM_CODE_MT7961_1.bin"
#define MT7922_FIRMWARE_WM	"mediatek/WIFI_RAM_CODE_MT7922_1.bin"
#define MT7925_FIRMWARE_WM	"mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin"

#define MT7902_ROM_PATCH	"mediatek/WIFI_MT7902_patch_mcu_1_1_hdr.bin"
#define MT7920_ROM_PATCH	"mediatek/WIFI_MT7961_patch_mcu_1a_2_hdr.bin"
#define MT7921_ROM_PATCH	"mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
#define MT7922_ROM_PATCH	"mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin"
#define MT7925_ROM_PATCH	"mediatek/mt7925/WIFI_MT7925_PATCH_MCU_1_1_hdr.bin"

#define MT792x_SDIO_HDR_TX_BYTES	GENMASK(15, 0)
#define MT792x_SDIO_HDR_PKT_TYPE	GENMASK(17, 16)

struct mt792x_vif;
struct mt792x_sta;

struct mt792x_realease_info {
	__le16 len;
	u8 pad_len;
	u8 tag;
} __packed;

struct mt792x_fw_features {
	u8 segment;
	u8 data;
	u8 rsv[14];
} __packed;

enum {
	MT792x_CLC_POWER,
	MT792x_CLC_POWER_EXT,
	MT792x_CLC_BE_CTRL,
	MT792x_CLC_MAX_NUM,
};

enum mt792x_reg_power_type {
	MT_AP_UNSET = 0,
	MT_AP_DEFAULT,
	MT_AP_LPI,
	MT_AP_SP,
	MT_AP_VLP,
};

enum mt792x_mlo_pm_state {
	MT792x_MLO_LINK_DISASSOC,
	MT792x_MLO_LINK_ASSOC,
	MT792x_MLO_CHANGED_PS_PENDING,
	MT792x_MLO_CHANGED_PS,
};

DECLARE_EWMA(avg_signal, 10, 8)

struct mt792x_link_sta {
	struct mt76_wcid wcid; /* must be first */
	struct rcu_head rcu_head;

	u32 airtime_ac[8];

	int ack_signal;
	struct ewma_avg_signal avg_ack_signal;

	unsigned long last_txs;

	struct mt76_connac_sta_key_conf bip;

	struct mt792x_sta *sta;

	struct ieee80211_link_sta *pri_link;
};

struct mt792x_sta {
	struct mt792x_link_sta deflink; /* must be first */
	struct mt792x_link_sta __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];

	struct mt792x_vif *vif;

	u16 valid_links;
	u8 deflink_id;
};

DECLARE_EWMA(rssi, 10, 8);

struct mt792x_chanctx {
	struct mt792x_bss_conf *bss_conf;
};

struct mt792x_bss_conf {
	struct mt76_vif_link mt76; /* must be first */
	struct mt792x_vif *vif;
	struct ewma_rssi rssi;
	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
	unsigned int link_id;
};

struct mt792x_vif {
	struct mt792x_bss_conf bss_conf; /* must be first */
	struct mt792x_bss_conf __rcu *link_conf[IEEE80211_MLD_MAX_NUM_LINKS];

	struct mt792x_sta sta;
	struct mt792x_sta *wep_sta;

	struct mt792x_phy *phy;
	u16 valid_links;
	u8 deflink_id;
	enum mt792x_mlo_pm_state mlo_pm_state;

	struct work_struct csa_work;
	struct timer_list csa_timer;
};

struct mt792x_phy {
	struct mt76_phy *mt76;
	struct mt792x_dev *dev;

	struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];

	u64 omac_mask;

	u16 noise;

	s16 coverage_class;
	u8 slottime;

	u32 rx_ampdu_ts;
	u32 ampdu_ref;

	struct mt76_mib_stats mib;

	u8 sta_work_count;
	u8 clc_chan_conf;
	enum mt792x_reg_power_type power_type;

	struct sk_buff_head scan_event_list;
	struct delayed_work scan_work;
#ifdef CONFIG_ACPI
	void *acpisar;
#endif
	void *clc[MT792x_CLC_MAX_NUM];
	u64 chip_cap;
	u16 eml_cap;

	struct work_struct roc_work;
	struct timer_list roc_timer;
	wait_queue_head_t roc_wait;
	u8 roc_token_id;
	bool roc_grant;
};

struct mt792x_irq_map {
	u32 host_irq_enable;
	struct {
		u32 all_complete_mask;
		u32 mcu_complete_mask;
	} tx;
	struct {
		u32 data_complete_mask;
		u32 wm_complete_mask;
		u32 wm2_complete_mask;
	} rx;
};

#define mt792x_init_reset(dev)		((dev)->hif_ops->init_reset(dev))
#define mt792x_dev_reset(dev)		((dev)->hif_ops->reset(dev))
#define mt792x_mcu_init(dev)		((dev)->hif_ops->mcu_init(dev))
#define __mt792x_mcu_drv_pmctrl(dev)	((dev)->hif_ops->drv_own(dev))
#define	__mt792x_mcu_fw_pmctrl(dev)	((dev)->hif_ops->fw_own(dev))

struct mt792x_hif_ops {
	int (*init_reset)(struct mt792x_dev *dev);
	int (*reset)(struct mt792x_dev *dev);
	int (*mcu_init)(struct mt792x_dev *dev);
	int (*drv_own)(struct mt792x_dev *dev);
	int (*fw_own)(struct mt792x_dev *dev);
};

struct mt792x_dev {
	union { /* must be first */
		struct mt76_dev mt76;
		struct mt76_phy mphy;
	};

	struct mac_address macaddr_list[8];

	const struct mt76_bus_ops *bus_ops;
	struct mt792x_phy phy;

	struct work_struct reset_work;
	bool hw_full_reset:1;
	bool hw_init_done:1;
	bool fw_assert:1;
	bool has_eht:1;
	bool regd_user:1;
	bool regd_in_progress:1;
	bool aspm_supported:1;
	bool hif_idle:1;
	bool hif_resumed:1;
	bool regd_change:1;
	wait_queue_head_t wait;

	struct work_struct init_work;

	u8 fw_debug;
	u8 fw_features;

	struct mt76_connac_pm pm;
	struct mt76_connac_coredump coredump;
	const struct mt792x_hif_ops *hif_ops;
	const struct mt792x_irq_map *irq_map;

	struct work_struct ipv6_ns_work;
	struct delayed_work mlo_pm_work;
	/* IPv6 addresses for WoWLAN */
	struct sk_buff_head ipv6_ns_list;

	enum environment_cap country_ie_env;
	u32 backup_l1;
	u32 backup_l2;

	struct ieee80211_chanctx_conf *new_ctx;
};

static inline struct mt792x_bss_conf *
mt792x_vif_to_link(struct mt792x_vif *mvif, u8 link_id)
{
	struct ieee80211_vif *vif;
	struct mt792x_bss_conf *bss_conf;

	vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);

	if (!ieee80211_vif_is_mld(vif) ||
	    link_id >= IEEE80211_LINK_UNSPECIFIED)
		return &mvif->bss_conf;

	bss_conf = rcu_dereference_protected(mvif->link_conf[link_id],
					     lockdep_is_held(&mvif->phy->dev->mt76.mutex));

	return bss_conf ? bss_conf : &mvif->bss_conf;
}

static inline struct mt792x_link_sta *
mt792x_sta_to_link(struct mt792x_sta *msta, u8 link_id)
{
	struct ieee80211_vif *vif;

	vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);

	if (!ieee80211_vif_is_mld(vif) ||
	    link_id >= IEEE80211_LINK_UNSPECIFIED)
		return &msta->deflink;

	return rcu_dereference_protected(msta->link[link_id],
		lockdep_is_held(&msta->vif->phy->dev->mt76.mutex));
}

static inline struct mt792x_bss_conf *
mt792x_link_conf_to_mconf(struct ieee80211_bss_conf *link_conf)
{
	struct ieee80211_vif *vif = link_conf->vif;
	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;

	return mt792x_vif_to_link(mvif, link_conf->link_id);
}

static inline struct ieee80211_bss_conf *
mt792x_vif_to_bss_conf(struct ieee80211_vif