| /* 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_ */ |
