/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************** * * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. * * Modifications for inclusion into the Linux staging tree are * Copyright(c) 2010 Larry Finger. All rights reserved. * * Contact information: * WLAN FAE * Larry Finger * ******************************************************************************/ #ifndef _RTL871X_IO_H_ #define _RTL871X_IO_H_ #include "osdep_service.h" #include "osdep_intf.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 definition...*/ #define _INTF_ASYNC_ BIT(0) /*support async io*/ struct intf_priv; struct intf_hdl; struct io_queue; struct _io_ops { uint (*_sdbus_read_bytes_to_membuf)(struct intf_priv *pintfpriv, u32 addr, u32 cnt, u8 *pbuf); uint (*_sdbus_read_blocks_to_membuf)(struct intf_priv *pintfpriv, u32 addr, u32 cnt, u8 *pbuf); u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr); u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr); u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr); uint (*_sdbus_write_blocks_from_membuf)(struct intf_priv *pintfpriv, u32 addr, u32 cnt, u8 *pbuf, u8 async); uint (*_sdbus_write_bytes_from_membuf)(struct intf_priv *pintfpriv, u32 addr, u32 cnt, u8 *pbuf); u8 (*_cmd52r)(struct intf_priv *pintfpriv, u32 addr); void (*_cmd52w)(struct intf_priv *pintfpriv, u32 addr, u8 val8); u8 (*_cmdfunc152r)(struct intf_priv *pintfpriv, u32 addr); void (*_cmdfunc152w)(struct intf_priv *pintfpriv, u32 addr, u8 val8); void (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val); void (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val); void (*_write32)(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_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem); u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem); }; struct io_req { struct list_head list; u32 addr; /*volatile*/ u32 val; u32 command; u32 status; u8 *pbuf; void (*_async_io_callback)(struct _adapter *padapter, struct io_req *pio_req, u8 *cnxt); u8 *cnxt; }; struct intf_hdl { u32 intf_option; u8 *adapter; u8 *intf_dev; struct intf_priv *pintfpriv; void (*intf_hdl_init)(u8 *priv); void (*intf_hdl_unload)(u8 *priv); void (*intf_hdl_open)(u8 *priv); void (*intf_hdl_close)(u8 *priv); struct _io_ops io_ops; }; 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*/ #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; /*The io_req list that will be served in the single protocol r/w.*/ struct list_head pending; struct list_head processing; u8 *free_ioreqs_buf; /* 4-byte aligned */ u8 *pallocated_free_ioreqs_buf; struct intf_hdl intf; }; u8 r8712_read8(struct _adapter *adapter, u32 addr); u16 r8712_read16(struct _adapter *adapter, u32 addr); u32 r8712_read32(struct _adapter *adapter, u32 addr); void r8712_read_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem); void r8712_read_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem); void r8712_write8(struct _adapter *adapter, u32 addr, u8 val); void r8712_write16(struct _adapter *adapter, u32 addr, u16 val); void r8712_write32(struct _adapter *adapter, u32 addr, u32 val); void r8712_write_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem); void r8712_write_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem); /*ioreq */ uint r8712_alloc_io_queue(struct _adapter *adapter); void r8712_free_io_queue(struct _adapter *adapter); #endif /*_RTL871X_IO_H_*/