1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2011 Realtek Corporation. */
3
4 #include "../include/rtw_iol.h"
5
rtw_IOL_accquire_xmit_frame(struct adapter * adapter)6 struct xmit_frame *rtw_IOL_accquire_xmit_frame(struct adapter *adapter)
7 {
8 struct xmit_frame *xmit_frame;
9 struct xmit_buf *xmitbuf;
10 struct pkt_attrib *pattrib;
11 struct xmit_priv *pxmitpriv = &adapter->xmitpriv;
12
13 xmit_frame = rtw_alloc_xmitframe(pxmitpriv);
14 if (!xmit_frame)
15 return NULL;
16
17 xmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
18 if (!xmitbuf) {
19 rtw_free_xmitframe(pxmitpriv, xmit_frame);
20 return NULL;
21 }
22
23 xmit_frame->frame_tag = MGNT_FRAMETAG;
24 xmit_frame->pxmitbuf = xmitbuf;
25 xmit_frame->buf_addr = xmitbuf->pbuf;
26 xmitbuf->priv_data = xmit_frame;
27
28 pattrib = &xmit_frame->attrib;
29 update_mgntframe_attrib(adapter, pattrib);
30 pattrib->qsel = 0x10;/* Beacon */
31 pattrib->subtype = WIFI_BEACON;
32 pattrib->pktlen = 0;
33 pattrib->last_txcmdsz = 0;
34
35 return xmit_frame;
36 }
37
rtw_IOL_append_cmds(struct xmit_frame * xmit_frame,u8 * IOL_cmds,u32 cmd_len)38 int rtw_IOL_append_cmds(struct xmit_frame *xmit_frame, u8 *IOL_cmds, u32 cmd_len)
39 {
40 struct pkt_attrib *pattrib = &xmit_frame->attrib;
41 u16 buf_offset;
42 u32 ori_len;
43
44 buf_offset = TXDESC_OFFSET;
45 ori_len = buf_offset + pattrib->pktlen;
46
47 /* check if the io_buf can accommodate new cmds */
48 if (ori_len + cmd_len + 8 > MAX_XMITBUF_SZ)
49 return _FAIL;
50
51 memcpy(xmit_frame->buf_addr + buf_offset + pattrib->pktlen, IOL_cmds, cmd_len);
52 pattrib->pktlen += cmd_len;
53 pattrib->last_txcmdsz += cmd_len;
54
55 return _SUCCESS;
56 }
57
rtw_IOL_applied(struct adapter * adapter)58 bool rtw_IOL_applied(struct adapter *adapter)
59 {
60 if (adapter->registrypriv.fw_iol == 1)
61 return true;
62
63 if ((adapter->registrypriv.fw_iol == 2) &&
64 (adapter_to_dvobj(adapter)->pusbdev->speed != USB_SPEED_HIGH))
65 return true;
66
67 return false;
68 }
69
_rtw_IOL_append_WB_cmd(struct xmit_frame * xmit_frame,u16 addr,u8 value,u8 mask)70 int _rtw_IOL_append_WB_cmd(struct xmit_frame *xmit_frame, u16 addr, u8 value, u8 mask)
71 {
72 struct ioreg_cfg cmd = {8, IOREG_CMD_WB_REG, 0x0, 0x0, 0x0};
73
74 cmd.address = cpu_to_le16(addr);
75 cmd.data = cpu_to_le32(value);
76
77 if (mask != 0xFF) {
78 cmd.length = 12;
79 cmd.mask = cpu_to_le32(mask);
80 }
81 return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
82 }
83
_rtw_IOL_append_WW_cmd(struct xmit_frame * xmit_frame,u16 addr,u16 value,u16 mask)84 int _rtw_IOL_append_WW_cmd(struct xmit_frame *xmit_frame, u16 addr, u16 value, u16 mask)
85 {
86 struct ioreg_cfg cmd = {8, IOREG_CMD_WW_REG, 0x0, 0x0, 0x0};
87
88 cmd.address = cpu_to_le16(addr);
89 cmd.data = cpu_to_le32(value);
90
91 if (mask != 0xFFFF) {
92 cmd.length = 12;
93 cmd.mask = cpu_to_le32(mask);
94 }
95 return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
96 }
97
_rtw_IOL_append_WD_cmd(struct xmit_frame * xmit_frame,u16 addr,u32 value,u32 mask)98 int _rtw_IOL_append_WD_cmd(struct xmit_frame *xmit_frame, u16 addr, u32 value, u32 mask)
99 {
100 struct ioreg_cfg cmd = {8, IOREG_CMD_WD_REG, 0x0, 0x0, 0x0};
101
102 cmd.address = cpu_to_le16(addr);
103 cmd.data = cpu_to_le32(value);
104
105 if (mask != 0xFFFFFFFF) {
106 cmd.length = 12;
107 cmd.mask = cpu_to_le32(mask);
108 }
109 return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
110 }
111
_rtw_IOL_append_WRF_cmd(struct xmit_frame * xmit_frame,u8 rf_path,u16 addr,u32 value,u32 mask)112 int _rtw_IOL_append_WRF_cmd(struct xmit_frame *xmit_frame, u8 rf_path, u16 addr, u32 value, u32 mask)
113 {
114 struct ioreg_cfg cmd = {8, IOREG_CMD_W_RF, 0x0, 0x0, 0x0};
115
116 cmd.address = cpu_to_le16((rf_path << 8) | ((addr) & 0xFF));
117 cmd.data = cpu_to_le32(value);
118
119 if (mask != 0x000FFFFF) {
120 cmd.length = 12;
121 cmd.mask = cpu_to_le32(mask);
122 }
123 return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, cmd.length);
124 }
125
rtw_IOL_append_DELAY_US_cmd(struct xmit_frame * xmit_frame,u16 us)126 int rtw_IOL_append_DELAY_US_cmd(struct xmit_frame *xmit_frame, u16 us)
127 {
128 struct ioreg_cfg cmd = {4, IOREG_CMD_DELAY_US, 0x0, 0x0, 0x0};
129 cmd.address = cpu_to_le16(us);
130
131 return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, 4);
132 }
133
rtw_IOL_append_DELAY_MS_cmd(struct xmit_frame * xmit_frame,u16 ms)134 int rtw_IOL_append_DELAY_MS_cmd(struct xmit_frame *xmit_frame, u16 ms)
135 {
136 struct ioreg_cfg cmd = {4, IOREG_CMD_DELAY_US, 0x0, 0x0, 0x0};
137
138 cmd.address = cpu_to_le16(ms);
139 return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, 4);
140 }
141
rtw_IOL_append_END_cmd(struct xmit_frame * xmit_frame)142 int rtw_IOL_append_END_cmd(struct xmit_frame *xmit_frame)
143 {
144 struct ioreg_cfg cmd = {4, IOREG_CMD_END, cpu_to_le16(0xFFFF), cpu_to_le32(0xFF), 0x0};
145
146 return rtw_IOL_append_cmds(xmit_frame, (u8 *)&cmd, 4);
147 }
148
rtw_IOL_cmd_boundary_handle(struct xmit_frame * pxmit_frame)149 u8 rtw_IOL_cmd_boundary_handle(struct xmit_frame *pxmit_frame)
150 {
151 u8 is_cmd_bndy = false;
152 if (((pxmit_frame->attrib.pktlen + 32) % 256) + 8 >= 256) {
153 rtw_IOL_append_END_cmd(pxmit_frame);
154 pxmit_frame->attrib.pktlen = ((((pxmit_frame->attrib.pktlen + 32) / 256) + 1) * 256);
155
156 pxmit_frame->attrib.last_txcmdsz = pxmit_frame->attrib.pktlen;
157 is_cmd_bndy = true;
158 }
159 return is_cmd_bndy;
160 }
161