diff options
Diffstat (limited to 'drivers/staging/r8188eu/include/rtw_io.h')
-rw-r--r-- | drivers/staging/r8188eu/include/rtw_io.h | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/drivers/staging/r8188eu/include/rtw_io.h b/drivers/staging/r8188eu/include/rtw_io.h new file mode 100644 index 000000000..925c7967a --- /dev/null +++ b/drivers/staging/r8188eu/include/rtw_io.h @@ -0,0 +1,302 @@ +/* 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); + +int __must_check rtw_read8(struct adapter *adapter, u32 addr, u8 *data); +int __must_check rtw_read16(struct adapter *adapter, u32 addr, u16 *data); +int __must_check rtw_read32(struct adapter *adapter, u32 addr, u32 *data); +void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem); +u32 rtw_read_port(struct adapter *adapter, 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_ */ |