/* SPDX-License-Identifier: ISC */
/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
*/
#ifndef __MT76_H
#define __MT76_H
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/skbuff.h>
#include <linux/leds.h>
#include <linux/usb.h>
#include <linux/average.h>
#include <net/mac80211.h>
#include "util.h"
#include "testmode.h"
#define MT_MCU_RING_SIZE 32
#define MT_RX_BUF_SIZE 2048
#define MT_SKB_HEAD_LEN 128
#define MT_MAX_NON_AQL_PKT 16
#define MT_TXQ_FREE_THR 32
struct mt76_dev;
struct mt76_phy;
struct mt76_wcid;
struct mt76_reg_pair {
u32 reg;
u32 value;
};
enum mt76_bus_type {
MT76_BUS_MMIO,
MT76_BUS_USB,
MT76_BUS_SDIO,
};
struct mt76_bus_ops {
u32 (*rr)(struct mt76_dev *dev, u32 offset);
void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
u32 (*rmw)(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
void (*write_copy)(struct mt76_dev *dev, u32 offset, const void *data,
int len);
void (*read_copy)(struct mt76_dev *dev, u32 offset, void *data,
int len);
int (*wr_rp)(struct mt76_dev *dev, u32 base,
const struct mt76_reg_pair *rp, int len);
int (*rd_rp)(struct mt76_dev *dev, u32 base,
struct mt76_reg_pair *rp, int len);
enum mt76_bus_type type;
};
#define mt76_is_usb(dev) ((dev)->bus->type == MT76_BUS_USB)
#define mt76_is_mmio(dev) ((dev)->bus->type == MT76_BUS_MMIO)
#define mt76_is_sdio(dev) ((dev)->bus->type == MT76_BUS_SDIO)
enum mt76_txq_id {
MT_TXQ_VO = IEEE80211_AC_VO,
MT_TXQ_VI = IEEE80211_AC_VI,
MT_TXQ_BE = IEEE80211_AC_BE,
MT_TXQ_BK = IEEE80211_AC_BK,
MT_TXQ_PSD,
MT_TXQ_BEACON,
MT_TXQ_CAB,
__MT_TXQ_MAX
};
enum mt76_mcuq_id {
MT_MCUQ_WM,
MT_MCUQ_WA,
MT_MCUQ_FWDL,
__MT_MCUQ_MAX
};
enum mt76_rxq_id {
MT_RXQ_MAIN,
MT_RXQ_MCU,
MT_RXQ_MCU_WA,
__MT_RXQ_MAX
};
struct mt76_queue_buf {
dma_addr_t addr;
u16 len;
bool skip_unmap;
};
struct mt76_tx_info {
struct mt76_queue_buf buf[32];
struct sk_buff *skb;
int nbuf;
u32 info;
};
struct mt76_queue_entry {
union {
void *buf;
struct sk_buff *skb;
};
union {
struct mt76_txwi_cache *txwi;
struct urb *urb;
int buf_sz;
};
u32 dma_addr[2];
u16 dma_len[2];
u16 wcid;
bool skip_buf0:1;
bool skip_buf1:1;
bool done:1;
};
struct mt76_queue_regs {
u32 desc_base;
u32 ring_size;
u32 cpu_idx;
u32 dma_idx;
} __packed __aligned(4);
struct mt76_queue {
struct mt76_queue_regs __iomem *regs;
spinlock_t lock;
struct mt76_queue_entry *entry;
struct mt76_desc *desc;
u16 first;
u16 head;
u16 tail;
int ndesc;
int queued;
int buf_size;
bool stopped;
u8 buf_offset;
u8