rtl8188eu/rtw_io.c
Larry Finger 81aeb84017 rtl8188eu: Flatten core
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2021-07-22 18:34:17 -05:00

473 lines
12 KiB
C

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2016 Realtek Corporation. All rights reserved. */
/*
The purpose of rtw_io.c
a. provides the API
b. provides the protocol engine
c. provides the software interface between caller and the hardware interface
Compiler Flag Option:
2. CONFIG_USB_HCI:
a. USE_ASYNC_IRP: Both sync/async operations are provided.
Only sync read/rtw_write_mem operations are provided.
jackson@realtek.com.tw
*/
#define _RTW_IO_C_
#include <drv_types.h>
#include <hal_data.h>
#define rtw_le16_to_cpu(val) le16_to_cpu(val)
#define rtw_le32_to_cpu(val) le32_to_cpu(val)
#define rtw_cpu_to_le16(val) cpu_to_le16(val)
#define rtw_cpu_to_le32(val) cpu_to_le32(val)
u8 _rtw_read8(_adapter *adapter, u32 addr)
{
u8 r_val;
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u8(*_read8)(struct intf_hdl *pintfhdl, u32 addr);
_read8 = pintfhdl->io_ops._read8;
r_val = _read8(pintfhdl, addr);
return r_val;
}
u16 _rtw_read16(_adapter *adapter, u32 addr)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u16(*_read16)(struct intf_hdl *pintfhdl, u32 addr);
_read16 = pintfhdl->io_ops._read16;
return _read16(pintfhdl, addr);
}
u32 _rtw_read32(_adapter *adapter, u32 addr)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u32(*_read32)(struct intf_hdl *pintfhdl, u32 addr);
_read32 = pintfhdl->io_ops._read32;
return _read32(pintfhdl, addr);
}
int _rtw_write8(_adapter *adapter, u32 addr, u8 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
int ret;
_write8 = pintfhdl->io_ops._write8;
ret = _write8(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write16(_adapter *adapter, u32 addr, u16 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, __le16 val);
int ret;
__le16 outval;
_write16 = pintfhdl->io_ops._write16;
outval = rtw_cpu_to_le16(val);
ret = _write16(pintfhdl, addr, outval);
return RTW_STATUS_CODE(ret);
}
int _rtw_write32(_adapter *adapter, u32 addr, u32 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, __le32 val);
int ret;
__le32 outval;
_write32 = pintfhdl->io_ops._write32;
outval = rtw_cpu_to_le32(val);
ret = _write32(pintfhdl, addr, outval);
return RTW_STATUS_CODE(ret);
}
int _rtw_writeN(_adapter *adapter, u32 addr , u32 length , u8 *pdata)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = (struct intf_hdl *)(&(pio_priv->intf));
int (*_writeN)(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata);
int ret;
_writeN = pintfhdl->io_ops._writeN;
ret = _writeN(pintfhdl, addr, length, pdata);
return RTW_STATUS_CODE(ret);
}
int _rtw_write8_async(_adapter *adapter, u32 addr, u8 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write8_async)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
int ret;
_write8_async = pintfhdl->io_ops._write8_async;
ret = _write8_async(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write16_async(_adapter *adapter, u32 addr, u16 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write16_async)(struct intf_hdl *pintfhdl, u32 addr, __le16 val);
int ret;
__le16 outval;
_write16_async = pintfhdl->io_ops._write16_async;
outval = rtw_cpu_to_le16(val);
ret = _write16_async(pintfhdl, addr, outval);
return RTW_STATUS_CODE(ret);
}
int _rtw_write32_async(_adapter *adapter, u32 addr, u32 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write32_async)(struct intf_hdl *pintfhdl, u32 addr, __le32 val);
int ret;
__le32 outval;
_write32_async = pintfhdl->io_ops._write32_async;
outval = rtw_cpu_to_le32(val);
ret = _write32_async(pintfhdl, addr, outval);
return RTW_STATUS_CODE(ret);
}
void _rtw_read_mem(_adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
if (RTW_CANNOT_RUN(adapter)) {
return;
}
_read_mem = pintfhdl->io_ops._read_mem;
_read_mem(pintfhdl, addr, cnt, pmem);
}
void _rtw_write_mem(_adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
_write_mem = pintfhdl->io_ops._write_mem;
_write_mem(pintfhdl, addr, cnt, pmem);
}
void _rtw_read_port(_adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
u32(*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
if (RTW_CANNOT_RUN(adapter)) {
return;
}
_read_port = pintfhdl->io_ops._read_port;
_read_port(pintfhdl, addr, cnt, pmem);
}
void _rtw_read_port_cancel(_adapter *adapter)
{
void (*_read_port_cancel)(struct intf_hdl *pintfhdl);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
_read_port_cancel = pintfhdl->io_ops._read_port_cancel;
RTW_DISABLE_FUNC(adapter, DF_RX_BIT);
if (_read_port_cancel)
_read_port_cancel(pintfhdl);
}
u32 _rtw_write_port(_adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
u32(*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u32 ret = _SUCCESS;
_write_port = pintfhdl->io_ops._write_port;
ret = _write_port(pintfhdl, addr, cnt, pmem);
return ret;
}
u32 _rtw_write_port_and_wait(_adapter *adapter, u32 addr, u32 cnt, u8 *pmem, int timeout_ms)
{
int ret = _SUCCESS;
struct xmit_buf *pxmitbuf = (struct xmit_buf *)pmem;
struct submit_ctx sctx;
rtw_sctx_init(&sctx, timeout_ms);
pxmitbuf->sctx = &sctx;
ret = _rtw_write_port(adapter, addr, cnt, pmem);
if (ret == _SUCCESS)
ret = rtw_sctx_wait(&sctx, __func__);
return ret;
}
void _rtw_write_port_cancel(_adapter *adapter)
{
void (*_write_port_cancel)(struct intf_hdl *pintfhdl);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
_write_port_cancel = pintfhdl->io_ops._write_port_cancel;
RTW_DISABLE_FUNC(adapter, DF_TX_BIT);
if (_write_port_cancel)
_write_port_cancel(pintfhdl);
}
int rtw_init_io_priv(_adapter *padapter, void (*set_intf_ops)(_adapter *padapter, struct _io_ops *pops))
{
struct io_priv *piopriv = &padapter->iopriv;
struct intf_hdl *pintf = &piopriv->intf;
if (set_intf_ops == NULL)
return _FAIL;
piopriv->padapter = padapter;
pintf->padapter = padapter;
pintf->pintf_dev = adapter_to_dvobj(padapter);
set_intf_ops(padapter, &pintf->io_ops);
return _SUCCESS;
}
/*
* Increase and check if the continual_io_error of this @param dvobjprive is larger than MAX_CONTINUAL_IO_ERR
* @return true:
* @return false:
*/
int rtw_inc_and_chk_continual_io_error(struct dvobj_priv *dvobj)
{
int ret = false;
int value;
value = ATOMIC_INC_RETURN(&dvobj->continual_io_error);
if (value > MAX_CONTINUAL_IO_ERR) {
RTW_INFO("[dvobj:%p][ERROR] continual_io_error:%d > %d\n", dvobj, value, MAX_CONTINUAL_IO_ERR);
ret = true;
} else {
/* RTW_INFO("[dvobj:%p] continual_io_error:%d\n", dvobj, value); */
}
return ret;
}
/*
* Set the continual_io_error of this @param dvobjprive to 0
*/
void rtw_reset_continual_io_error(struct dvobj_priv *dvobj)
{
ATOMIC_SET(&dvobj->continual_io_error, 0);
}
#ifdef DBG_IO
u32 read_sniff_ranges[][2] = {
/* {0x520, 0x523}, */
};
u32 write_sniff_ranges[][2] = {
/* {0x520, 0x523}, */
/* {0x4c, 0x4c}, */
};
int read_sniff_num = sizeof(read_sniff_ranges) / sizeof(u32) / 2;
int write_sniff_num = sizeof(write_sniff_ranges) / sizeof(u32) / 2;
bool match_read_sniff_ranges(u32 addr, u16 len)
{
int i;
for (i = 0; i < read_sniff_num; i++) {
if (addr + len > read_sniff_ranges[i][0] && addr <= read_sniff_ranges[i][1])
return true;
}
return false;
}
bool match_write_sniff_ranges(u32 addr, u16 len)
{
int i;
for (i = 0; i < write_sniff_num; i++) {
if (addr + len > write_sniff_ranges[i][0] && addr <= write_sniff_ranges[i][1])
return true;
}
return false;
}
struct rf_sniff_ent {
u8 path;
u16 reg;
u32 mask;
};
struct rf_sniff_ent rf_read_sniff_ranges[] = {
/* example for all path addr 0x55 with all RF Reg mask */
/* {MAX_RF_PATH, 0x55, bRFRegOffsetMask}, */
};
struct rf_sniff_ent rf_write_sniff_ranges[] = {
/* example for all path addr 0x55 with all RF Reg mask */
/* {MAX_RF_PATH, 0x55, bRFRegOffsetMask}, */
};
int rf_read_sniff_num = sizeof(rf_read_sniff_ranges) / sizeof(struct rf_sniff_ent);
int rf_write_sniff_num = sizeof(rf_write_sniff_ranges) / sizeof(struct rf_sniff_ent);
bool match_rf_read_sniff_ranges(u8 path, u32 addr, u32 mask)
{
int i;
for (i = 0; i < rf_read_sniff_num; i++) {
if (rf_read_sniff_ranges[i].path == MAX_RF_PATH || rf_read_sniff_ranges[i].path == path)
if (addr == rf_read_sniff_ranges[i].reg && (mask & rf_read_sniff_ranges[i].mask))
return true;
}
return false;
}
bool match_rf_write_sniff_ranges(u8 path, u32 addr, u32 mask)
{
int i;
for (i = 0; i < rf_write_sniff_num; i++) {
if (rf_write_sniff_ranges[i].path == MAX_RF_PATH || rf_write_sniff_ranges[i].path == path)
if (addr == rf_write_sniff_ranges[i].reg && (mask & rf_write_sniff_ranges[i].mask))
return true;
}
return false;
}
u8 dbg_rtw_read8(_adapter *adapter, u32 addr, const char *caller, const int line)
{
u8 val = _rtw_read8(adapter, addr);
if (match_read_sniff_ranges(addr, 1))
RTW_INFO("DBG_IO %s:%d rtw_read8(0x%04x) return 0x%02x\n", caller, line, addr, val);
return val;
}
u16 dbg_rtw_read16(_adapter *adapter, u32 addr, const char *caller, const int line)
{
u16 val = _rtw_read16(adapter, addr);
if (match_read_sniff_ranges(addr, 2))
RTW_INFO("DBG_IO %s:%d rtw_read16(0x%04x) return 0x%04x\n", caller, line, addr, val);
return val;
}
u32 dbg_rtw_read32(_adapter *adapter, u32 addr, const char *caller, const int line)
{
u32 val = _rtw_read32(adapter, addr);
if (match_read_sniff_ranges(addr, 4))
RTW_INFO("DBG_IO %s:%d rtw_read32(0x%04x) return 0x%08x\n", caller, line, addr, val);
return val;
}
int dbg_rtw_write8(_adapter *adapter, u32 addr, u8 val, const char *caller, const int line)
{
if (match_write_sniff_ranges(addr, 1))
RTW_INFO("DBG_IO %s:%d rtw_write8(0x%04x, 0x%02x)\n", caller, line, addr, val);
return _rtw_write8(adapter, addr, val);
}
int dbg_rtw_write16(_adapter *adapter, u32 addr, u16 val, const char *caller, const int line)
{
if (match_write_sniff_ranges(addr, 2))
RTW_INFO("DBG_IO %s:%d rtw_write16(0x%04x, 0x%04x)\n", caller, line, addr, val);
return _rtw_write16(adapter, addr, val);
}
int dbg_rtw_write32(_adapter *adapter, u32 addr, u32 val, const char *caller, const int line)
{
if (match_write_sniff_ranges(addr, 4))
RTW_INFO("DBG_IO %s:%d rtw_write32(0x%04x, 0x%08x)\n", caller, line, addr, val);
return _rtw_write32(adapter, addr, val);
}
int dbg_rtw_writeN(_adapter *adapter, u32 addr , u32 length , u8 *data, const char *caller, const int line)
{
if (match_write_sniff_ranges(addr, length))
RTW_INFO("DBG_IO %s:%d rtw_writeN(0x%04x, %u)\n", caller, line, addr, length);
return _rtw_writeN(adapter, addr, length, data);
}
#endif