/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * ******************************************************************************/ #ifndef _RTW_IO_H_ #define _RTW_IO_H_ #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_ops { u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr); u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr); u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr); int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val); int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val); int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val); int (*_writeN)(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata); int (*_write8_async)(struct intf_hdl *pintfhdl, u32 addr, u8 val); int (*_write16_async)(struct intf_hdl *pintfhdl, u32 addr, u16 val); int (*_write32_async)(struct intf_hdl *pintfhdl, u32 addr, u32 val); void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem); void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem); void (*_sync_irp_protocol_rw)(struct io_queue *pio_q); u32 (*_read_interrupt)(struct intf_hdl *pintfhdl, u32 addr); u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem); u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem); u32 (*_write_scsi)(struct intf_hdl *pintfhdl, u32 cnt, u8 *pmem); void (*_read_port_cancel)(struct intf_hdl *pintfhdl); void (*_write_port_cancel)(struct intf_hdl *pintfhdl); }; struct io_req { struct list_head list; u32 addr; volatile u32 val; u32 command; u32 status; u8 *pbuf; 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;/* pointer to &(padapter->dvobjpriv); */ struct _io_ops io_ops; }; #define SD_IO_TRY_CNT (8) #define MAX_CONTINUAL_IO_ERR SD_IO_TRY_CNT int rtw_inc_and_chk_continual_io_error(struct dvobj_priv *dvobj); void rtw_reset_continual_io_error(struct dvobj_priv *dvobj); /* 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; }; extern uint ioreq_flush(struct adapter *adapter, struct io_queue *ioqueue); extern void sync_ioreq_enqueue(struct io_req *preq, struct io_queue *ioqueue); extern uint sync_ioreq_flush(struct adapter *adapter, struct io_queue *ioqueue); extern uint free_ioreq(struct io_req *preq, struct io_queue *pio_queue); extern struct io_req *alloc_ioreq(struct io_queue *pio_q); extern uint register_intf_hdl(u8 *dev, struct intf_hdl *pintfhdl); extern void unregister_intf_hdl(struct intf_hdl *pintfhdl); extern void _rtw_attrib_read(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); extern void _rtw_attrib_write(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); extern u8 rtw_read8(struct adapter *adapter, u32 addr); extern u16 rtw_read16(struct adapter *adapter, u32 addr); extern u32 rtw_read32(struct adapter *adapter, u32 addr); extern int rtw_write8(struct adapter *adapter, u32 addr, u8 val); extern int rtw_write16(struct adapter *adapter, u32 addr, u16 val); extern int rtw_write32(struct adapter *adapter, u32 addr, u32 val); extern u32 rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); extern void rtw_write_scsi(struct adapter *adapter, u32 cnt, u8 *pmem); /* ioreq */ extern void ioreq_read8(struct adapter *adapter, u32 addr, u8 *pval); extern void ioreq_read16(struct adapter *adapter, u32 addr, u16 *pval); extern void ioreq_read32(struct adapter *adapter, u32 addr, u32 *pval); extern void ioreq_write8(struct adapter *adapter, u32 addr, u8 val); extern void ioreq_write16(struct adapter *adapter, u32 addr, u16 val); extern void ioreq_write32(struct adapter *adapter, u32 addr, u32 val); extern 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); extern 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); extern 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); extern void async_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); extern void async_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); extern 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); extern 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); extern 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); extern void async_write_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); extern void async_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct adapter *padapter, struct _io_ops *pops)); extern uint alloc_io_queue(struct adapter *adapter); extern void free_io_queue(struct adapter *adapter); extern void async_bus_io(struct io_queue *pio_q); extern void bus_sync_io(struct io_queue *pio_q); extern u32 _ioreq2rwmem(struct io_queue *pio_q); extern void dev_power_down(struct adapter *Adapter, u8 bpwrup); #endif /* _RTL8711_IO_H_ */