summaryrefslogtreecommitdiffstats
path: root/drivers/staging/r8188eu/include/rtw_io.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/staging/r8188eu/include/rtw_io.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/r8188eu/include/rtw_io.h')
-rw-r--r--drivers/staging/r8188eu/include/rtw_io.h302
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_ */