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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/* Copyright(c) 2007 - 2011 Realtek Corporation. */
#ifndef _RTW_IO_H_
#define _RTW_IO_H_
#include "osdep_service.h"
#include "osdep_intf.h"
#include <asm/byteorder.h>
#include <linux/semaphore.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <asm/atomic.h>
#include <linux/usb.h>
#include <linux/usb/ch9.h>
#define rtw_usb_buffer_alloc(dev, size, dma) \
usb_alloc_coherent((dev), (size), (in_interrupt() ? \
GFP_ATOMIC : GFP_KERNEL), (dma))
#define rtw_usb_buffer_free(dev, size, addr, dma) \
usb_free_coherent((dev), (size), (addr), (dma))
#define NUM_IOREQ 8
#define MAX_PROT_SZ (64-16)
#define _IOREADY 0
#define _IO_WAIT_COMPLETE 1
#define _IO_WAIT_RSP 2
/* IO COMMAND TYPE */
#define _IOSZ_MASK_ (0x7F)
#define _IO_WRITE_ BIT(7)
#define _IO_FIXED_ BIT(8)
#define _IO_BURST_ BIT(9)
#define _IO_BYTE_ BIT(10)
#define _IO_HW_ BIT(11)
#define _IO_WORD_ BIT(12)
#define _IO_SYNC_ BIT(13)
#define _IO_CMDMASK_ (0x1F80)
/*
For prompt mode accessing, caller shall free io_req
Otherwise, io_handler will free io_req
*/
/* IO STATUS TYPE */
#define _IO_ERR_ BIT(2)
#define _IO_SUCCESS_ BIT(1)
#define _IO_DONE_ BIT(0)
#define IO_RD32 (_IO_SYNC_ | _IO_WORD_)
#define IO_RD16 (_IO_SYNC_ | _IO_HW_)
#define IO_RD8 (_IO_SYNC_ | _IO_BYTE_)
#define IO_RD32_ASYNC (_IO_WORD_)
#define IO_RD16_ASYNC (_IO_HW_)
#define IO_RD8_ASYNC (_IO_BYTE_)
#define IO_WR32 (_IO_WRITE_ | _IO_SYNC_ | _IO_WORD_)
#define IO_WR16 (_IO_WRITE_ | _IO_SYNC_ | _IO_HW_)
#define IO_WR8 (_IO_WRITE_ | _IO_SYNC_ | _IO_BYTE_)
#define IO_WR32_ASYNC (_IO_WRITE_ | _IO_WORD_)
#define IO_WR16_ASYNC (_IO_WRITE_ | _IO_HW_)
#define IO_WR8_ASYNC (_IO_WRITE_ | _IO_BYTE_)
/*
Only Sync. burst accessing is provided.
*/
#define IO_WR_BURST(x) \
(_IO_WRITE_ | _IO_SYNC_ | _IO_BURST_ | ((x) & _IOSZ_MASK_))
#define IO_RD_BURST(x) \
(_IO_SYNC_ | _IO_BURST_ | ((x) & _IOSZ_MASK_))
/* below is for the intf_option bit defition... */
#define _INTF_ASYNC_ BIT(0) /* support async io */
struct intf_priv;
struct intf_hdl;
struct io_queue;
struct io_req {
struct list_head list;
u32 addr;
u32 val;
u32 command;
u32 status;
u8 *pbuf;
struct semaphore sema;
void (*_async_io_callback)(struct adapter *padater,
struct io_req *pio_req, u8 *cnxt);
u8 *cnxt;
};
struct intf_hdl {
struct adapter *padapter;
struct dvobj_priv *pintf_dev;
};
struct reg_protocol_rd {
#ifdef __LITTLE_ENDIAN
/* DW1 */
u32 NumOfTrans:4;
u32 Reserved1:4;
u32 Reserved2:24;
/* DW2 */
u32 ByteCount:7;
u32 WriteEnable:1; /* 0:read, 1:write */
u32 FixOrContinuous:1; /* 0:continuous, 1: Fix */
u32 BurstMode:1;
u32 Byte1Access:1;
u32 Byte2Access:1;
u32 Byte4Access:1;
u32 Reserved3:3;
u32 Reserved4:16;
/* DW3 */
u32 BusAddress;
/* DW4 */
/* u32 Value; */
#else
/* DW1 */
u32 Reserved1:4;
u32 NumOfTrans:4;
u32 Reserved2:24;
/* DW2 */
u32 WriteEnable:1;
u32 ByteCount:7;
u32 Reserved3:3;
u32 Byte4Access:1;
u32 Byte2Access:1;
u32 Byte1Access:1;
u32 BurstMode:1;
u32 FixOrContinuous:1;
u32 Reserved4:16;
/* DW3 */
u32 BusAddress;
/* DW4 */
#endif
};
struct reg_protocol_wt {
#ifdef __LITTLE_ENDIAN
/* DW1 */
u32 NumOfTrans:4;
u32 Reserved1:4;
u32 Reserved2:24;
/* DW2 */
u32 ByteCount:7;
u32 WriteEnable:1; /* 0:read, 1:write */
u32 FixOrContinuous:1; /* 0:continuous, 1: Fix */
u32 BurstMode:1;
u32 Byte1Access:1;
u32 Byte2Access:1;
u32 Byte4Access:1;
u32 Reserved3:3;
u32 Reserved4:16;
/* DW3 */
u32 BusAddress;
/* DW4 */
u32 Value;
#else
/* DW1 */
u32 Reserved1 :4;
u32 NumOfTrans:4;
u32 Reserved2:24;
/* DW2 */
u32 WriteEnable:1;
u32 ByteCount:7;
u32 Reserved3:3;
u32 Byte4Access:1;
u32 Byte2Access:1;
u32 Byte1Access:1;
u32 BurstMode:1;
u32 FixOrContinuous:1;
u32 Reserved4:16;
/* DW3 */
u32 BusAddress;
/* DW4 */
u32 Value;
#endif
};
/*
Below is the data structure used by _io_handler
*/
struct io_queue {
spinlock_t lock;
struct list_head free_ioreqs;
struct list_head pending; /* The io_req list that will be served
* in the single protocol read/write.*/
struct list_head processing;
u8 *free_ioreqs_buf; /* 4-byte aligned */
u8 *pallocated_free_ioreqs_buf;
struct intf_hdl intf;
};
struct io_priv {
struct adapter *padapter;
struct intf_hdl intf;
};
uint ioreq_flush(struct adapter *adapter, struct io_queue *ioqueue);
void sync_ioreq_enqueue(struct io_req *preq,struct io_queue *ioqueue);
uint sync_ioreq_flush(struct adapter *adapter, struct io_queue *ioqueue);
uint free_ioreq(struct io_req *preq, struct io_queue *pio_queue);
struct io_req *alloc_ioreq(struct io_queue *pio_q);
uint register_intf_hdl(u8 *dev, struct intf_hdl *pintfhdl);
void unregister_intf_hdl(struct intf_hdl *pintfhdl);
void _rtw_attrib_read(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void _rtw_attrib_write(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
u8 rtw_read8(struct adapter *adapter, u32 addr);
u16 rtw_read16(struct adapter *adapter, u32 addr);
u32 rtw_read32(struct adapter *adapter, u32 addr);
void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
u32 rtw_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void rtw_read_port_cancel(struct adapter *adapter);
int rtw_write8(struct adapter *adapter, u32 addr, u8 val);
int rtw_write16(struct adapter *adapter, u32 addr, u16 val);
int rtw_write32(struct adapter *adapter, u32 addr, u32 val);
int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *pdata);
void _rtw_write_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
u32 rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void rtw_write_port_cancel(struct adapter *adapter);
void rtw_write_scsi(struct adapter *adapter, u32 cnt, u8 *pmem);
/* ioreq */
void ioreq_read8(struct adapter *adapter, u32 addr, u8 *pval);
void ioreq_read16(struct adapter *adapter, u32 addr, u16 *pval);
void ioreq_read32(struct adapter *adapter, u32 addr, u32 *pval);
void ioreq_write8(struct adapter *adapter, u32 addr, u8 val);
void ioreq_write16(struct adapter *adapter, u32 addr, u16 val);
void ioreq_write32(struct adapter *adapter, u32 addr, u32 val);
uint async_read8(struct adapter *adapter, u32 addr, u8 *pbuff,
void (*_async_io_callback)(struct adapter *padater,
struct io_req *pio_req,
u8 *cnxt), u8 *cnxt);
uint async_read16(struct adapter *adapter, u32 addr, u8 *pbuff,
void (*_async_io_callback)(struct adapter *padater,
struct io_req *pio_req,
u8 *cnxt), u8 *cnxt);
uint async_read32(struct adapter *adapter, u32 addr, u8 *pbuff,
void (*_async_io_callback)(struct adapter *padater,
struct io_req *pio_req,
u8 *cnxt), u8 *cnxt);
void async_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void async_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void async_write8(struct adapter *adapter, u32 addr, u8 val,
void (*_async_io_callback)(struct adapter *padater,
struct io_req *pio_req,
u8 *cnxt), u8 *cnxt);
void async_write16(struct adapter *adapter, u32 addr, u16 val,
void (*_async_io_callback)(struct adapter *padater,
struct io_req *pio_req,
u8 *cnxt), u8 *cnxt);
void async_write32(struct adapter *adapter, u32 addr, u32 val,
void (*_async_io_callback)(struct adapter *padater,
struct io_req *pio_req,
u8 *cnxt), u8 *cnxt);
void async_write_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void async_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
uint alloc_io_queue(struct adapter *adapter);
void free_io_queue(struct adapter *adapter);
void async_bus_io(struct io_queue *pio_q);
void bus_sync_io(struct io_queue *pio_q);
u32 _ioreq2rwmem(struct io_queue *pio_q);
void dev_power_down(struct adapter * Adapter, u8 bpwrup);
#define PlatformEFIOWrite1Byte(_a,_b,_c) \
rtw_write8(_a,_b,_c)
#define PlatformEFIOWrite2Byte(_a,_b,_c) \
rtw_write16(_a,_b,_c)
#define PlatformEFIOWrite4Byte(_a,_b,_c) \
rtw_write32(_a,_b,_c)
#define PlatformEFIORead1Byte(_a,_b) \
rtw_read8(_a,_b)
#define PlatformEFIORead2Byte(_a,_b) \
rtw_read16(_a,_b)
#define PlatformEFIORead4Byte(_a,_b) \
rtw_read32(_a,_b)
#endif /* _RTL8711_IO_H_ */
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