1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
/******************************************************************************
*
* Copyright(c) 2009-2014 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "../pci.h"
#include "../base.h"
#include "../efuse.h"
#include "fw_common.h"
#include <linux/module.h>
void rtl8723_enable_fw_download(struct ieee80211_hw *hw, bool enable)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 tmp;
if (enable) {
tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1,
tmp | 0x04);
tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL);
rtl_write_byte(rtlpriv, REG_MCUFWDL, tmp | 0x01);
tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL + 2);
rtl_write_byte(rtlpriv, REG_MCUFWDL + 2, tmp & 0xf7);
} else {
tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL);
rtl_write_byte(rtlpriv, REG_MCUFWDL, tmp & 0xfe);
rtl_write_byte(rtlpriv, REG_MCUFWDL + 1, 0x00);
}
}
EXPORT_SYMBOL_GPL(rtl8723_enable_fw_download);
void rtl8723_write_fw(struct ieee80211_hw *hw,
enum version_8723e version,
u8 *buffer, u32 size, u8 max_page)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 *bufferptr = buffer;
u32 page_nums, remain_size;
u32 page, offset;
RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, "FW size is %d bytes,\n", size);
rtl_fill_dummy(bufferptr, &size);
page_nums = size / FW_8192C_PAGE_SIZE;
remain_size = size % FW_8192C_PAGE_SIZE;
if (page_nums > max_page) {
pr_err("Page numbers should not greater than %d\n",
max_page);
}
for (page = 0; page < page_nums; page++) {
offset = page * FW_8192C_PAGE_SIZE;
rtl_fw_page_write(hw, page, (bufferptr + offset),
FW_8192C_PAGE_SIZE);
}
if (remain_size) {
offset = page_nums * FW_8192C_PAGE_SIZE;
page = page_nums;
rtl_fw_page_write(hw, page, (bufferptr + offset), remain_size);
}
RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, "FW write done.\n");
}
EXPORT_SYMBOL_GPL(rtl8723_write_fw);
void rtl8723ae_firmware_selfreset(struct ieee80211_hw *hw)
{
u8 u1b_tmp;
u8 delay = 100;
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtl_write_byte(rtlpriv, REG_HMETFR + 3, 0x20);
u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
while (u1b_tmp & BIT(2)) {
delay--;
if (delay == 0)
break;
udelay(50);
u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
}
if (delay == 0) {
u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1,
u1b_tmp&(~BIT(2)));
}
}
EXPORT_SYMBOL_GPL(rtl8723ae_firmware_selfreset);
void rtl8723be_firmware_selfreset(struct ieee80211_hw *hw)
{
u8 u1b_tmp;
struct rtl_priv *rtlpriv = rtl_priv(hw);
u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1);
rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, (u1b_tmp & (~BIT(0))));
u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, (u1b_tmp & (~BIT(2))));
udelay(50);
u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1);
rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, (u1b_tmp | BIT(0)));
u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, (u1b_tmp | BIT(2)));
RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
" _8051Reset8723be(): 8051 reset success .\n");
}
EXPORT_SYMBOL_GPL(rtl8723be_firmware_selfreset);
int rtl8723_fw_free_to_go(struct ieee80211_hw *hw, bool is_8723be,
int max_count)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
int err = -EIO;
u32 counter = 0;
u32 value32;
do {
value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL);
} while ((counter++ < max_count) &&
(!(value32 & FWDL_CHKSUM_RPT)));
if (counter >= max_count) {
pr_err("chksum report fail ! REG_MCUFWDL:0x%08x .\n",
value32);
goto exit;
}
value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL) | MCUFWDL_RDY;
value32 &= ~WINTINI_RDY;
rtl_write_dword(rtlpriv, REG_MCUFWDL, value32);
if (is_8723be)
rtl8723be_firmware_selfreset(hw);
counter = 0;
do {
value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL);
if (value32 & WINTINI_RDY) {
RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
"Polling FW ready success!! REG_MCUFWDL:0x%08x .\n",
value32);
err = 0;
goto exit;
}
mdelay(FW_8192C_POLLING_DELAY);
} while (counter++ < max_count);
pr_err("Polling FW ready fail!! REG_MCUFWDL:0x%08x .\n",
value32);
exit:
return err;
}
EXPORT_SYMBOL_GPL(rtl8723_fw_free_to_go);
int rtl8723_download_fw(struct ieee80211_hw *hw,
bool is_8723be, int max_count)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtlwifi_firmware_header *pfwheader;
u8 *pfwdata;
u32 fwsize;
int err;
enum version_8723e version = rtlhal->version;
int max_page;
if (!rtlhal->pfirmware)
return 1;
pfwheader = (struct rtlwifi_firmware_header *)rtlhal->pfirmware;
pfwdata = rtlhal->pfirmware;
fwsize = rtlhal->fwsize;
if (!is_8723be)
max_page = 6;
else
max_page = 8;
if (rtlpriv->cfg->ops->is_fw_header(pfwheader)) {
RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
"Firmware Version(%d), Signature(%#x), Size(%d)\n",
pfwheader->version, pfwheader->signature,
(int)sizeof(struct rtlwifi_firmware_header));
pfwdata = pfwdata + sizeof(struct rtlwifi_firmware_header);
fwsize = fwsize - sizeof(struct rtlwifi_firmware_header);
}
if (rtl_read_byte(rtlpriv, REG_MCUFWDL)&BIT(7)) {
if (is_8723be)
rtl8723be_firmware_selfreset(hw);
else
rtl8723ae_firmware_selfreset(hw);
rtl_write_byte(rtlpriv, REG_MCUFWDL, 0x00);
}
rtl8723_enable_fw_download(hw, true);
rtl8723_write_fw(hw, version, pfwdata, fwsize, max_page);
rtl8723_enable_fw_download(hw, false);
err = rtl8723_fw_free_to_go(hw, is_8723be, max_count);
if (err)
pr_err("Firmware is not ready to run!\n");
return 0;
}
EXPORT_SYMBOL_GPL(rtl8723_download_fw);
bool rtl8723_cmd_send_packet(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl8192_tx_ring *ring;
struct rtl_tx_desc *pdesc;
struct sk_buff *pskb = NULL;
u8 own;
unsigned long flags;
ring = &rtlpci->tx_ring[BEACON_QUEUE];
pskb = __skb_dequeue(&ring->queue);
kfree_skb(pskb);
spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
pdesc = &ring->desc[0];
own = (u8) rtlpriv->cfg->ops->get_desc((u8 *)pdesc, true, HW_DESC_OWN);
rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
__skb_queue_tail(&ring->queue, skb);
spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
return true;
}
EXPORT_SYMBOL_GPL(rtl8723_cmd_send_packet);
|
