1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
9 The purpose of rtw_io.c
13 b. provides the protocol engine
15 c. provides the software interface between caller and the hardware interface
21 a. USE_SYNC_IRP: Only sync operations are provided.
22 b. USE_ASYNC_IRP:Both sync/async operations are provided.
24 jackson@realtek.com.tw
30 #include <drv_types.h>
31 #include <rtw_debug.h>
33 #define rtw_le16_to_cpu(val) val
34 #define rtw_le32_to_cpu(val) val
35 #define rtw_cpu_to_le16(val) val
36 #define rtw_cpu_to_le32(val) val
38 u8 _rtw_read8(struct adapter *adapter, u32 addr)
41 /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
42 struct io_priv *pio_priv = &adapter->iopriv;
43 struct intf_hdl *pintfhdl = &(pio_priv->intf);
44 u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
46 _read8 = pintfhdl->io_ops._read8;
48 r_val = _read8(pintfhdl, addr);
52 u16 _rtw_read16(struct adapter *adapter, u32 addr)
55 /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
56 struct io_priv *pio_priv = &adapter->iopriv;
57 struct intf_hdl *pintfhdl = &(pio_priv->intf);
58 u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
60 _read16 = pintfhdl->io_ops._read16;
62 r_val = _read16(pintfhdl, addr);
63 return rtw_le16_to_cpu(r_val);
66 u32 _rtw_read32(struct adapter *adapter, u32 addr)
69 /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
70 struct io_priv *pio_priv = &adapter->iopriv;
71 struct intf_hdl *pintfhdl = &(pio_priv->intf);
72 u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr);
74 _read32 = pintfhdl->io_ops._read32;
76 r_val = _read32(pintfhdl, addr);
77 return rtw_le32_to_cpu(r_val);
81 int _rtw_write8(struct adapter *adapter, u32 addr, u8 val)
83 /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
84 struct io_priv *pio_priv = &adapter->iopriv;
85 struct intf_hdl *pintfhdl = &(pio_priv->intf);
86 int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
89 _write8 = pintfhdl->io_ops._write8;
91 ret = _write8(pintfhdl, addr, val);
93 return RTW_STATUS_CODE(ret);
95 int _rtw_write16(struct adapter *adapter, u32 addr, u16 val)
97 /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
98 struct io_priv *pio_priv = &adapter->iopriv;
99 struct intf_hdl *pintfhdl = &(pio_priv->intf);
100 int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
103 _write16 = pintfhdl->io_ops._write16;
105 ret = _write16(pintfhdl, addr, val);
106 return RTW_STATUS_CODE(ret);
108 int _rtw_write32(struct adapter *adapter, u32 addr, u32 val)
110 /* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
111 struct io_priv *pio_priv = &adapter->iopriv;
112 struct intf_hdl *pintfhdl = &(pio_priv->intf);
113 int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
116 _write32 = pintfhdl->io_ops._write32;
118 ret = _write32(pintfhdl, addr, val);
120 return RTW_STATUS_CODE(ret);
123 u8 _rtw_sd_f0_read8(struct adapter *adapter, u32 addr)
126 struct io_priv *pio_priv = &adapter->iopriv;
127 struct intf_hdl *pintfhdl = &(pio_priv->intf);
128 u8 (*_sd_f0_read8)(struct intf_hdl *pintfhdl, u32 addr);
130 _sd_f0_read8 = pintfhdl->io_ops._sd_f0_read8;
133 r_val = _sd_f0_read8(pintfhdl, addr);
135 DBG_871X_LEVEL(_drv_warning_, FUNC_ADPT_FMT" _sd_f0_read8 callback is NULL\n", FUNC_ADPT_ARG(adapter));
140 u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
142 u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
143 struct io_priv *pio_priv = &adapter->iopriv;
144 struct intf_hdl *pintfhdl = &(pio_priv->intf);
147 _write_port = pintfhdl->io_ops._write_port;
149 ret = _write_port(pintfhdl, addr, cnt, pmem);
154 int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct adapter *padapter, struct _io_ops *pops))
156 struct io_priv *piopriv = &padapter->iopriv;
157 struct intf_hdl *pintf = &piopriv->intf;
159 if (set_intf_ops == NULL)
162 piopriv->padapter = padapter;
163 pintf->padapter = padapter;
164 pintf->pintf_dev = adapter_to_dvobj(padapter);
166 set_intf_ops(padapter, &pintf->io_ops);
172 * Increase and check if the continual_io_error of this @param dvobjprive is larger than MAX_CONTINUAL_IO_ERR
176 int rtw_inc_and_chk_continual_io_error(struct dvobj_priv *dvobj)
179 int value = atomic_inc_return(&dvobj->continual_io_error);
180 if (value > MAX_CONTINUAL_IO_ERR) {
181 DBG_871X("[dvobj:%p][ERROR] continual_io_error:%d > %d\n", dvobj, value, MAX_CONTINUAL_IO_ERR);
184 /* DBG_871X("[dvobj:%p] continual_io_error:%d\n", dvobj, value); */
190 * Set the continual_io_error of this @param dvobjprive to 0
192 void rtw_reset_continual_io_error(struct dvobj_priv *dvobj)
194 atomic_set(&dvobj->continual_io_error, 0);