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e57b790146
linux-yocto/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
Ryder Lee e57b790146 mt76: add mac80211 driver for MT7915 PCIe-based chipsets 
Add support for the MediaTek latest generation IEEE 802.11ax 4x4
device MT7915E, which supports concurrent dual-band operation at
both 5GHz and 2.4GHz.

Note that this patch just add basic part and will add more HE
capabilities support in the further patches.

The driver supports AP, Station, Mesh and monitor mode.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Chih-Min Chen <chih-min.chen@mediatek.com>
Suggested-by: Shihwei Lin <shihwei.lin@mediatek.com>
Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Acked-by: Yiwei Chung <yiwei.chung@mediatek.com>
Acked-by: YF Luo <yf.luo@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-05-12 19:52:35 +02:00

442 lines
11 KiB
C
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/* 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 4
#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_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 */
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,
};
enum mt7915_ampdu_state {
MT7915_AGGR_STOP,
MT7915_AGGR_PROGRESS,
MT7915_AGGR_START,
MT7915_AGGR_OPERATIONAL
};
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 poll_list;
u32 airtime_ac[8];
struct mt7915_sta_stats stats;
struct work_struct stats_work;
spinlock_t ampdu_lock;
enum mt7915_ampdu_state ampdu_state[IEEE80211_NUM_TIDS];
};
struct mt7915_vif {
u16 idx;
u8 omac_idx;
u8 band_idx;
u8 wmm_idx;
struct {
u16 cw_min;
u16 cw_max;
u16 txop;
u8 aifs;
} wmm[IEEE80211_NUM_ACS];
struct mt7915_sta sta;
struct mt7915_dev *dev;
};
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;
u32 rxfilter;
u32 vif_mask;
u32 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 mt7915_dev {
union { /* must be first */
struct mt76_dev mt76;
struct mt76_phy mphy;
};
struct mt7915_phy phy;
u16 chainmask;
struct work_struct init_work;
struct work_struct reset_work;
wait_queue_head_t reset_wait;
u32 reset_state;
struct list_head sta_poll_list;
spinlock_t sta_poll_lock;
u32 hw_pattern;
spinlock_t token_lock;
struct idr token;
u8 mac_work_count;
bool fw_debug;
};
enum {
HW_BSSID_0 = 0x0,
HW_BSSID_1,
HW_BSSID_2,
HW_BSSID_3,
HW_BSSID_MAX,
EXT_BSSID_START = 0x10,
EXT_BSSID_1,
EXT_BSSID_2,
EXT_BSSID_3,
EXT_BSSID_4,
EXT_BSSID_5,
EXT_BSSID_6,
EXT_BSSID_7,
EXT_BSSID_8,
EXT_BSSID_9,
EXT_BSSID_10,
EXT_BSSID_11,
EXT_BSSID_12,
EXT_BSSID_13,
EXT_BSSID_14,
EXT_BSSID_15,
EXT_BSSID_END
};
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 void
mt7915_set_aggr_state(struct mt7915_sta *msta, u8 tid,
enum mt7915_ampdu_state state)
{
spin_lock_bh(&msta->ampdu_lock);
msta->ampdu_state[tid] = state;
spin_unlock_bh(&msta->ampdu_lock);
}
extern const struct ieee80211_ops mt7915_ops;
extern struct pci_driver mt7915_pci_driver;
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_register_ext_phy(struct mt7915_dev *dev);
void mt7915_unregister_ext_phy(struct mt7915_dev *dev);
int mt7915_eeprom_init(struct mt7915_dev *dev);
u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset);
int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
struct ieee80211_channel *chan,
u8 chain_idx);
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_dev *dev,
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_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_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd);
int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif);
int mt7915_mcu_set_eeprom(struct mt7915_dev *dev);
int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset);
int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
bool hdr_trans);
int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable);
int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val);
int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
const struct mt7915_dfs_pulse *pulse);
int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
const struct mt7915_dfs_pattern *pattern);
int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx);
int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);
int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
u8 index, u8 rx_sel, u8 val);
void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);
void mt7915_mcu_exit(struct mt7915_dev *dev);
static inline bool is_mt7915(struct mt76_dev *dev)
{
return mt76_chip(dev) == 0x7915;
}
static inline void mt7915_irq_enable(struct mt7915_dev *dev, u32 mask)
{
mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
}
static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
{
mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
}
static inline u32
mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
{
u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
/* use read to push write */
mt76_rr(dev, MT_HIF_REMAP_L1);
return MT_HIF_REMAP_BASE_L1 + offset;
}
static inline u32
mt7915_l1_rr(struct mt7915_dev *dev, u32 addr)
{
return mt76_rr(dev, mt7915_reg_map_l1(dev, addr));
}
static inline void
mt7915_l1_wr(struct mt7915_dev *dev, u32 addr, u32 val)
{
mt76_wr(dev, mt7915_reg_map_l1(dev, addr), val);
}
static inline u32
mt7915_l1_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
{
val |= mt7915_l1_rr(dev, addr) & ~mask;
mt7915_l1_wr(dev, addr, val);
return val;
}
#define mt7915_l1_set(dev, addr, val) mt7915_l1_rmw(dev, addr, 0, val)
#define mt7915_l1_clear(dev, addr, val) mt7915_l1_rmw(dev, addr, val, 0)
static inline u32
mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
{
u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
mt76_rmw_field(dev, MT_HIF_REMAP_L2, MT_HIF_REMAP_L2_MASK, base);
/* use read to push write */
mt76_rr(dev, MT_HIF_REMAP_L2);
return MT_HIF_REMAP_BASE_L2 + offset;
}
static inline u32
mt7915_l2_rr(struct mt7915_dev *dev, u32 addr)
{
return mt76_rr(dev, mt7915_reg_map_l2(dev, addr));
}
static inline void
mt7915_l2_wr(struct mt7915_dev *dev, u32 addr, u32 val)
{
mt76_wr(dev, mt7915_reg_map_l2(dev, addr), val);
}
static inline u32
mt7915_l2_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
{
val |= mt7915_l2_rr(dev, addr) & ~mask;
mt7915_l2_wr(dev, addr, val);
return val;
}
#define mt7915_l2_set(dev, addr, val) mt7915_l2_rmw(dev, addr, 0, val)
#define mt7915_l2_clear(dev, addr, val) mt7915_l2_rmw(dev, addr, val, 0)
bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
void mt7915_mac_reset_counters(struct mt7915_phy *phy);
void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy);
void mt7915_mac_sta_poll(struct mt7915_dev *dev);
void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_key_conf *key, bool beacon);
void mt7915_mac_set_timing(struct mt7915_phy *phy);
int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb);
void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb);
int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
void mt7915_mac_work(struct work_struct *work);
void mt7915_mac_reset_work(struct work_struct *work);
void mt7915_mac_sta_stats_work(struct work_struct *work);
int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid,
struct ieee80211_sta *sta,
struct mt76_tx_info *tx_info);
void mt7915_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
struct mt76_queue_entry *e);
void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
struct sk_buff *skb);
void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
void mt7915_stats_work(struct work_struct *work);
void mt7915_txp_skb_unmap(struct mt76_dev *dev,
struct mt76_txwi_cache *txwi);
int mt76_dfs_start_rdd(struct mt7915_dev *dev, bool force);
int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy);
void mt7915_update_channel(struct mt76_dev *mdev);
int mt7915_init_debugfs(struct mt7915_dev *dev);
#endif
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