cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mt7921.h (13931B)


      1/* SPDX-License-Identifier: ISC */
      2/* Copyright (C) 2020 MediaTek Inc. */
      3
      4#ifndef __MT7921_H
      5#define __MT7921_H
      6
      7#include <linux/interrupt.h>
      8#include <linux/ktime.h>
      9#include "../mt76_connac_mcu.h"
     10#include "regs.h"
     11
     12#define MT7921_MAX_INTERFACES		4
     13#define MT7921_MAX_WMM_SETS		4
     14#define MT7921_WTBL_SIZE		20
     15#define MT7921_WTBL_RESERVED		(MT7921_WTBL_SIZE - 1)
     16#define MT7921_WTBL_STA			(MT7921_WTBL_RESERVED - \
     17					 MT7921_MAX_INTERFACES)
     18
     19#define MT7921_PM_TIMEOUT		(HZ / 12)
     20#define MT7921_HW_SCAN_TIMEOUT		(HZ / 10)
     21#define MT7921_WATCHDOG_TIME		(HZ / 4)
     22#define MT7921_RESET_TIMEOUT		(30 * HZ)
     23
     24#define MT7921_TX_RING_SIZE		2048
     25#define MT7921_TX_MCU_RING_SIZE		256
     26#define MT7921_TX_FWDL_RING_SIZE	128
     27
     28#define MT7921_RX_RING_SIZE		1536
     29#define MT7921_RX_MCU_RING_SIZE		512
     30
     31#define MT7921_DRV_OWN_RETRY_COUNT	10
     32#define MT7921_MCU_INIT_RETRY_COUNT	10
     33#define MT7921_WFSYS_INIT_RETRY_COUNT	2
     34
     35#define MT7921_FIRMWARE_WM		"mediatek/WIFI_RAM_CODE_MT7961_1.bin"
     36#define MT7921_ROM_PATCH		"mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
     37
     38#define MT7922_FIRMWARE_WM		"mediatek/WIFI_RAM_CODE_MT7922_1.bin"
     39#define MT7922_ROM_PATCH		"mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin"
     40
     41#define MT7921_EEPROM_SIZE		3584
     42#define MT7921_TOKEN_SIZE		8192
     43
     44#define MT7921_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
     45#define MT7921_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
     46
     47#define MT7921_SKU_RATE_NUM		161
     48#define MT7921_SKU_MAX_DELTA_IDX	MT7921_SKU_RATE_NUM
     49#define MT7921_SKU_TABLE_SIZE		(MT7921_SKU_RATE_NUM + 1)
     50
     51#define MT7921_SDIO_HDR_TX_BYTES	GENMASK(15, 0)
     52#define MT7921_SDIO_HDR_PKT_TYPE	GENMASK(17, 16)
     53
     54enum mt7921_sdio_pkt_type {
     55	MT7921_SDIO_TXD,
     56	MT7921_SDIO_DATA,
     57	MT7921_SDIO_CMD,
     58	MT7921_SDIO_FWDL,
     59};
     60
     61struct mt7921_sdio_intr {
     62	u32 isr;
     63	struct {
     64		u32 wtqcr[16];
     65	} tx;
     66	struct {
     67		u16 num[2];
     68		u16 len0[16];
     69		u16 len1[128];
     70	} rx;
     71	u32 rec_mb[2];
     72} __packed;
     73
     74#define to_rssi(field, rxv)		((FIELD_GET(field, rxv) - 220) / 2)
     75#define to_rcpi(rssi)			(2 * (rssi) + 220)
     76
     77struct mt7921_vif;
     78struct mt7921_sta;
     79
     80enum mt7921_txq_id {
     81	MT7921_TXQ_BAND0,
     82	MT7921_TXQ_BAND1,
     83	MT7921_TXQ_FWDL = 16,
     84	MT7921_TXQ_MCU_WM,
     85};
     86
     87enum mt7921_rxq_id {
     88	MT7921_RXQ_BAND0 = 0,
     89	MT7921_RXQ_BAND1,
     90	MT7921_RXQ_MCU_WM = 0,
     91};
     92
     93struct mt7921_sta {
     94	struct mt76_wcid wcid; /* must be first */
     95
     96	struct mt7921_vif *vif;
     97
     98	struct list_head poll_list;
     99	u32 airtime_ac[8];
    100
    101	unsigned long last_txs;
    102	unsigned long ampdu_state;
    103	struct mt76_sta_stats stats;
    104
    105	struct mt76_connac_sta_key_conf bip;
    106};
    107
    108DECLARE_EWMA(rssi, 10, 8);
    109
    110struct mt7921_vif {
    111	struct mt76_vif mt76; /* must be first */
    112
    113	struct mt7921_sta sta;
    114	struct mt7921_sta *wep_sta;
    115
    116	struct mt7921_phy *phy;
    117
    118	struct ewma_rssi rssi;
    119
    120	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
    121};
    122
    123struct mib_stats {
    124	u32 ack_fail_cnt;
    125	u32 fcs_err_cnt;
    126	u32 rts_cnt;
    127	u32 rts_retries_cnt;
    128	u32 ba_miss_cnt;
    129
    130	u32 tx_bf_ibf_ppdu_cnt;
    131	u32 tx_bf_ebf_ppdu_cnt;
    132	u32 tx_bf_rx_fb_all_cnt;
    133	u32 tx_bf_rx_fb_he_cnt;
    134	u32 tx_bf_rx_fb_vht_cnt;
    135	u32 tx_bf_rx_fb_ht_cnt;
    136
    137	u32 tx_ampdu_cnt;
    138	u32 tx_mpdu_attempts_cnt;
    139	u32 tx_mpdu_success_cnt;
    140	u32 tx_pkt_ebf_cnt;
    141	u32 tx_pkt_ibf_cnt;
    142
    143	u32 rx_mpdu_cnt;
    144	u32 rx_ampdu_cnt;
    145	u32 rx_ampdu_bytes_cnt;
    146	u32 rx_ba_cnt;
    147
    148	u32 tx_amsdu[8];
    149	u32 tx_amsdu_cnt;
    150};
    151
    152struct mt7921_phy {
    153	struct mt76_phy *mt76;
    154	struct mt7921_dev *dev;
    155
    156	struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
    157
    158	u64 omac_mask;
    159
    160	u16 noise;
    161
    162	s16 coverage_class;
    163	u8 slottime;
    164
    165	u32 rx_ampdu_ts;
    166	u32 ampdu_ref;
    167
    168	struct mib_stats mib;
    169
    170	u8 sta_work_count;
    171
    172	struct sk_buff_head scan_event_list;
    173	struct delayed_work scan_work;
    174};
    175
    176#define mt7921_init_reset(dev)		((dev)->hif_ops->init_reset(dev))
    177#define mt7921_dev_reset(dev)		((dev)->hif_ops->reset(dev))
    178#define mt7921_mcu_init(dev)		((dev)->hif_ops->mcu_init(dev))
    179#define __mt7921_mcu_drv_pmctrl(dev)	((dev)->hif_ops->drv_own(dev))
    180#define	__mt7921_mcu_fw_pmctrl(dev)	((dev)->hif_ops->fw_own(dev))
    181struct mt7921_hif_ops {
    182	int (*init_reset)(struct mt7921_dev *dev);
    183	int (*reset)(struct mt7921_dev *dev);
    184	int (*mcu_init)(struct mt7921_dev *dev);
    185	int (*drv_own)(struct mt7921_dev *dev);
    186	int (*fw_own)(struct mt7921_dev *dev);
    187};
    188
    189struct mt7921_dev {
    190	union { /* must be first */
    191		struct mt76_dev mt76;
    192		struct mt76_phy mphy;
    193	};
    194
    195	const struct mt76_bus_ops *bus_ops;
    196	struct mt7921_phy phy;
    197	struct tasklet_struct irq_tasklet;
    198
    199	struct work_struct reset_work;
    200	bool hw_full_reset:1;
    201	bool hw_init_done:1;
    202	bool fw_assert:1;
    203
    204	struct list_head sta_poll_list;
    205	spinlock_t sta_poll_lock;
    206
    207	struct work_struct init_work;
    208
    209	u8 fw_debug;
    210
    211	struct mt76_connac_pm pm;
    212	struct mt76_connac_coredump coredump;
    213	const struct mt7921_hif_ops *hif_ops;
    214
    215	struct work_struct ipv6_ns_work;
    216	/* IPv6 addresses for WoWLAN */
    217	struct sk_buff_head ipv6_ns_list;
    218};
    219
    220enum {
    221	TXPWR_USER,
    222	TXPWR_EEPROM,
    223	TXPWR_MAC,
    224	TXPWR_MAX_NUM,
    225};
    226
    227struct mt7921_txpwr {
    228	u8 ch;
    229	u8 rsv[3];
    230	struct {
    231		u8 ch;
    232		u8 cck[4];
    233		u8 ofdm[8];
    234		u8 ht20[8];
    235		u8 ht40[9];
    236		u8 vht20[12];
    237		u8 vht40[12];
    238		u8 vht80[12];
    239		u8 vht160[12];
    240		u8 he26[12];
    241		u8 he52[12];
    242		u8 he106[12];
    243		u8 he242[12];
    244		u8 he484[12];
    245		u8 he996[12];
    246		u8 he996x2[12];
    247	} data[TXPWR_MAX_NUM];
    248};
    249
    250enum {
    251	MT_LMAC_AC00,
    252	MT_LMAC_AC01,
    253	MT_LMAC_AC02,
    254	MT_LMAC_AC03,
    255	MT_LMAC_ALTX0 = 0x10,
    256	MT_LMAC_BMC0,
    257	MT_LMAC_BCN0,
    258};
    259
    260static inline struct mt7921_phy *
    261mt7921_hw_phy(struct ieee80211_hw *hw)
    262{
    263	struct mt76_phy *phy = hw->priv;
    264
    265	return phy->priv;
    266}
    267
    268static inline struct mt7921_dev *
    269mt7921_hw_dev(struct ieee80211_hw *hw)
    270{
    271	struct mt76_phy *phy = hw->priv;
    272
    273	return container_of(phy->dev, struct mt7921_dev, mt76);
    274}
    275
    276#define mt7921_mutex_acquire(dev)	\
    277	mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
    278#define mt7921_mutex_release(dev)	\
    279	mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
    280
    281extern const struct ieee80211_ops mt7921_ops;
    282extern struct pci_driver mt7921_pci_driver;
    283
    284u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
    285
    286int __mt7921_start(struct mt7921_phy *phy);
    287int mt7921_register_device(struct mt7921_dev *dev);
    288void mt7921_unregister_device(struct mt7921_dev *dev);
    289int mt7921_dma_init(struct mt7921_dev *dev);
    290int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
    291int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
    292void mt7921_dma_cleanup(struct mt7921_dev *dev);
    293int mt7921_run_firmware(struct mt7921_dev *dev);
    294int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
    295			  struct ieee80211_vif *vif, bool enable,
    296			  enum mt76_sta_info_state state);
    297int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);
    298int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif);
    299int mt7921_mcu_set_eeprom(struct mt7921_dev *dev);
    300int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif,
    301			   struct ieee80211_sta *sta, struct rate_info *rate);
    302int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl);
    303void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb);
    304void mt7921_mcu_exit(struct mt7921_dev *dev);
    305
    306static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask)
    307{
    308	mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
    309
    310	tasklet_schedule(&dev->irq_tasklet);
    311}
    312
    313static inline u32
    314mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr)
    315{
    316	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
    317	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
    318
    319	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
    320	/* use read to push write */
    321	mt76_rr(dev, MT_HIF_REMAP_L1);
    322
    323	return MT_HIF_REMAP_BASE_L1 + offset;
    324}
    325
    326static inline u32
    327mt7921_l1_rr(struct mt7921_dev *dev, u32 addr)
    328{
    329	return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
    330}
    331
    332static inline void
    333mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val)
    334{
    335	mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
    336}
    337
    338static inline u32
    339mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
    340{
    341	val |= mt7921_l1_rr(dev, addr) & ~mask;
    342	mt7921_l1_wr(dev, addr, val);
    343
    344	return val;
    345}
    346
    347#define mt7921_l1_set(dev, addr, val)	mt7921_l1_rmw(dev, addr, 0, val)
    348#define mt7921_l1_clear(dev, addr, val)	mt7921_l1_rmw(dev, addr, val, 0)
    349
    350static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
    351{
    352	return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
    353}
    354
    355static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev)
    356{
    357	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false);
    358	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false);
    359}
    360
    361static inline void
    362mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev *dev, struct sk_buff *skb,
    363			    int type)
    364{
    365	u32 hdr, len;
    366
    367	len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr);
    368	hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, len) |
    369	      FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type);
    370
    371	put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
    372}
    373
    374void mt7921_stop(struct ieee80211_hw *hw);
    375int mt7921_mac_init(struct mt7921_dev *dev);
    376bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
    377void mt7921_mac_reset_counters(struct mt7921_phy *phy);
    378void mt7921_mac_set_timing(struct mt7921_phy *phy);
    379int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
    380		       struct ieee80211_sta *sta);
    381void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
    382			  struct ieee80211_sta *sta);
    383void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
    384			   struct ieee80211_sta *sta);
    385void mt7921_mac_work(struct work_struct *work);
    386void mt7921_mac_reset_work(struct work_struct *work);
    387void mt7921_mac_update_mib_stats(struct mt7921_phy *phy);
    388void mt7921_reset(struct mt76_dev *mdev);
    389int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
    390			   enum mt76_txq_id qid, struct mt76_wcid *wcid,
    391			   struct ieee80211_sta *sta,
    392			   struct mt76_tx_info *tx_info);
    393
    394void mt7921_tx_worker(struct mt76_worker *w);
    395void mt7921e_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
    396void mt7921_tx_token_put(struct mt7921_dev *dev);
    397void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
    398			 struct sk_buff *skb);
    399void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
    400void mt7921_stats_work(struct work_struct *work);
    401void mt7921_set_stream_he_caps(struct mt7921_phy *phy);
    402void mt7921_update_channel(struct mt76_phy *mphy);
    403int mt7921_init_debugfs(struct mt7921_dev *dev);
    404
    405int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev,
    406				 struct ieee80211_vif *vif,
    407				 bool enable);
    408int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
    409			 struct ieee80211_ampdu_params *params,
    410			 bool enable);
    411int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
    412			 struct ieee80211_ampdu_params *params,
    413			 bool enable);
    414void mt7921_scan_work(struct work_struct *work);
    415int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
    416int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
    417int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
    418void mt7921_pm_wake_work(struct work_struct *work);
    419void mt7921_pm_power_save_work(struct work_struct *work);
    420void mt7921_coredump_work(struct work_struct *work);
    421int mt7921_wfsys_reset(struct mt7921_dev *dev);
    422int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr);
    423int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
    424			void *data, int len);
    425int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
    426			 struct netlink_callback *cb, void *data, int len);
    427void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
    428			   struct sk_buff *skb, struct mt76_wcid *wcid,
    429			   struct ieee80211_key_conf *key, int pid,
    430			   bool beacon);
    431void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi);
    432void mt7921_mac_sta_poll(struct mt7921_dev *dev);
    433int mt7921_mcu_fill_message(struct mt76_dev *mdev, struct sk_buff *skb,
    434			    int cmd, int *wait_seq);
    435int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
    436			      struct sk_buff *skb, int seq);
    437
    438bool mt7921e_rx_check(struct mt76_dev *mdev, void *data, int len);
    439void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
    440			  struct sk_buff *skb);
    441int mt7921e_driver_own(struct mt7921_dev *dev);
    442int mt7921e_mac_reset(struct mt7921_dev *dev);
    443int mt7921e_mcu_init(struct mt7921_dev *dev);
    444int mt7921s_wfsys_reset(struct mt7921_dev *dev);
    445int mt7921s_mac_reset(struct mt7921_dev *dev);
    446int mt7921s_init_reset(struct mt7921_dev *dev);
    447int __mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
    448int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
    449int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
    450
    451int mt7921s_mcu_init(struct mt7921_dev *dev);
    452int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev);
    453int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev);
    454void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data);
    455void mt7921_set_runtime_pm(struct mt7921_dev *dev);
    456void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac,
    457				 struct ieee80211_vif *vif);
    458void mt7921_set_ipv6_ns_work(struct work_struct *work);
    459
    460int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif,
    461			   bool enable);
    462
    463int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
    464				   enum mt76_txq_id qid, struct mt76_wcid *wcid,
    465				   struct ieee80211_sta *sta,
    466				   struct mt76_tx_info *tx_info);
    467void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
    468				     struct mt76_queue_entry *e);
    469bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);
    470
    471/* usb */
    472#define MT_USB_TYPE_VENDOR	(USB_TYPE_VENDOR | 0x1f)
    473#define MT_USB_TYPE_UHW_VENDOR	(USB_TYPE_VENDOR | 0x1e)
    474
    475int mt7921u_mcu_power_on(struct mt7921_dev *dev);
    476int mt7921u_wfsys_reset(struct mt7921_dev *dev);
    477int mt7921u_dma_init(struct mt7921_dev *dev, bool resume);
    478int mt7921u_init_reset(struct mt7921_dev *dev);
    479int mt7921u_mac_reset(struct mt7921_dev *dev);
    480int mt7921_mcu_uni_add_beacon_offload(struct mt7921_dev *dev,
    481				      struct ieee80211_hw *hw,
    482				      struct ieee80211_vif *vif,
    483				      bool enable);
    484#endif