mt76: add driver code for MT76x2e

if WLAN_VENDOR_MEDIATEK

source "drivers/net/wireless/mediatek/mt7601u/Kconfig"

source "drivers/net/wireless/mediatek/mt76/Kconfig"

endif # WLAN_VENDOR_MEDIATEK

obj-$(CONFIG_MT7601U)	+= mt7601u/

obj-$(CONFIG_MT76_CORE)	+= mt76/

config MT76_CORE

	tristate

config MT76x2E

	tristate "MediaTek MT76x2E (PCIe) support"

	select MT76_CORE

	depends on MAC80211

	depends on PCI

	---help---

	  This adds support for MT7612/MT7602/MT7662-based wireless PCIe devices.

obj-$(CONFIG_MT76_CORE) += mt76.o

obj-$(CONFIG_MT76x2E) += mt76x2e.o

mt76-y := \

	mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o tx.o

CFLAGS_trace.o := -I$(src)

mt76x2e-y := \

	mt76x2_pci.o mt76x2_dma.o \

	mt76x2_main.o mt76x2_init.o mt76x2_debugfs.o mt76x2_tx.o \

	mt76x2_core.o mt76x2_mac.o mt76x2_eeprom.o mt76x2_mcu.o mt76x2_phy.o \

	mt76x2_dfs.o mt76x2_trace.o

CFLAGS_mt76x2_trace.o := -I$(src)

/*

 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

#ifndef __MT76x2_H

#define __MT76x2_H

#include <linux/device.h>

#include <linux/dma-mapping.h>

#include <linux/spinlock.h>

#include <linux/skbuff.h>

#include <linux/netdevice.h>

#include <linux/irq.h>

#include <linux/interrupt.h>

#include <linux/mutex.h>

#include <linux/bitops.h>

#include <linux/kfifo.h>

#define MT7662_FIRMWARE		"mt7662.bin"

#define MT7662_ROM_PATCH	"mt7662_rom_patch.bin"

#define MT7662_EEPROM_SIZE	512

#define MT76x2_RX_RING_SIZE	256

#define MT_RX_HEADROOM		32

#define MT_MAX_CHAINS		2

#define MT_CALIBRATE_INTERVAL	HZ

#include "mt76.h"

#include "mt76x2_regs.h"

#include "mt76x2_mac.h"

#include "mt76x2_dfs.h"

struct mt76x2_mcu {

	struct mutex mutex;

	wait_queue_head_t wait;

	struct sk_buff_head res_q;

	u32 msg_seq;

};

struct mt76x2_rx_freq_cal {

	s8 high_gain[MT_MAX_CHAINS];

	s8 rssi_offset[MT_MAX_CHAINS];

	s8 lna_gain;

	u32 mcu_gain;

};

struct mt76x2_calibration {

	struct mt76x2_rx_freq_cal rx;

	u8 agc_gain_init[MT_MAX_CHAINS];

	u8 agc_gain_cur[MT_MAX_CHAINS];

	int avg_rssi[MT_MAX_CHAINS];

	int avg_rssi_all;

	s8 agc_gain_adjust;

	s8 low_gain;

	u8 temp;

	bool init_cal_done;

	bool tssi_cal_done;

	bool tssi_comp_pending;

	bool dpd_cal_done;

	bool channel_cal_done;

};

struct mt76x2_dev {

	struct mt76_dev mt76; /* must be first */

	struct mac_address macaddr_list[8];

	struct mutex mutex;

	const u16 *beacon_offsets;

	unsigned long wcid_mask[128 / BITS_PER_LONG];

	int txpower_conf;

	int txpower_cur;

	u8 txdone_seq;

	DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x2_tx_status);

	struct mt76x2_mcu mcu;

	struct sk_buff *rx_head;

	struct tasklet_struct tx_tasklet;

	struct tasklet_struct pre_tbtt_tasklet;

	struct delayed_work cal_work;

	struct delayed_work mac_work;

	u32 aggr_stats[32];

	struct mt76_wcid global_wcid;

	struct mt76_wcid __rcu *wcid[128];

	spinlock_t irq_lock;

	u32 irqmask;

	struct sk_buff *beacons[8];

	u8 beacon_mask;

	u8 beacon_data_mask;

	u32 rev;

	u32 rxfilter;

	u16 chainmask;

	struct mt76x2_calibration cal;

	s8 target_power;

	s8 target_power_delta[2];

	struct mt76_rate_power rate_power;

	bool enable_tpc;

	u8 coverage_class;

	u8 slottime;

	struct mt76x2_dfs_pattern_detector dfs_pd;

};

struct mt76x2_vif {

	u8 idx;

	struct mt76_wcid group_wcid;

};

struct mt76x2_sta {

	struct mt76_wcid wcid; /* must be first */

	struct mt76x2_tx_status status;

	int n_frames;

};

static inline bool is_mt7612(struct mt76x2_dev *dev)

{

	return (dev->rev >> 16) == 0x7612;

}

void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set);

static inline void mt76x2_irq_enable(struct mt76x2_dev *dev, u32 mask)

{

	mt76x2_set_irq_mask(dev, 0, mask);

}

static inline void mt76x2_irq_disable(struct mt76x2_dev *dev, u32 mask)

{

	mt76x2_set_irq_mask(dev, mask, 0);

}

extern const struct ieee80211_ops mt76x2_ops;

struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev);

int mt76x2_register_device(struct mt76x2_dev *dev);

void mt76x2_init_debugfs(struct mt76x2_dev *dev);

irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance);

void mt76x2_phy_power_on(struct mt76x2_dev *dev);

int mt76x2_init_hardware(struct mt76x2_dev *dev);

void mt76x2_stop_hardware(struct mt76x2_dev *dev);

int mt76x2_eeprom_init(struct mt76x2_dev *dev);

int mt76x2_apply_calibration_data(struct mt76x2_dev *dev, int channel);

void mt76x2_set_tx_ackto(struct mt76x2_dev *dev);

int mt76x2_phy_start(struct mt76x2_dev *dev);

int mt76x2_phy_set_channel(struct mt76x2_dev *dev,

			 struct cfg80211_chan_def *chandef);

int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain);

void mt76x2_phy_calibrate(struct work_struct *work);

void mt76x2_phy_set_txpower(struct mt76x2_dev *dev);

int mt76x2_mcu_init(struct mt76x2_dev *dev);

int mt76x2_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw,

			   u8 bw_index, bool scan);

int mt76x2_mcu_set_radio_state(struct mt76x2_dev *dev, bool on);

int mt76x2_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level,

		       u8 channel);

int mt76x2_mcu_cleanup(struct mt76x2_dev *dev);

int mt76x2_dma_init(struct mt76x2_dev *dev);

void mt76x2_dma_cleanup(struct mt76x2_dev *dev);

void mt76x2_cleanup(struct mt76x2_dev *dev);

int mt76x2_tx_queue_mcu(struct mt76x2_dev *dev, enum mt76_txq_id qid,

			struct sk_buff *skb, int cmd, int seq);

void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,

	       struct sk_buff *skb);

void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb);

int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,

			  struct sk_buff *skb, struct mt76_queue *q,

			  struct mt76_wcid *wcid, struct ieee80211_sta *sta,

			  u32 *tx_info);

void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,

			    struct mt76_queue_entry *e, bool flush);

void mt76x2_pre_tbtt_tasklet(unsigned long arg);

void mt76x2_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);

void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,

			 struct sk_buff *skb);

void mt76x2_update_channel(struct mt76_dev *mdev);

s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev,

			       const struct ieee80211_tx_rate *rate);

s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj);

void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr);

#endif