1/*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 *
20 * File: mac.c
21 *
22 * Purpose:  MAC routines
23 *
24 * Author: Tevin Chen
25 *
26 * Date: May 21, 1996
27 *
28 * Functions:
29 *
30 * Revision History:
31 */
32
33#include <linux/etherdevice.h>
34
35#include "desc.h"
36#include "mac.h"
37#include "usbpipe.h"
38
39/*
40 * Description:
41 *      Write MAC Multicast Address Mask
42 *
43 * Parameters:
44 *  In:
45 *	mc_filter (mac filter)
46 *  Out:
47 *      none
48 *
49 * Return Value: none
50 *
51 */
52void vnt_mac_set_filter(struct vnt_private *priv, u64 mc_filter)
53{
54	__le64 le_mc = cpu_to_le64(mc_filter);
55
56	vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_MAR0,
57		MESSAGE_REQUEST_MACREG, sizeof(le_mc), (u8 *)&le_mc);
58}
59
60/*
61 * Description:
62 *      Shut Down MAC
63 *
64 * Parameters:
65 *  In:
66 *  Out:
67 *      none
68 *
69 *
70 */
71void vnt_mac_shutdown(struct vnt_private *priv)
72{
73	vnt_control_out(priv, MESSAGE_TYPE_MACSHUTDOWN, 0, 0, 0, NULL);
74}
75
76void vnt_mac_set_bb_type(struct vnt_private *priv, u8 type)
77{
78	u8 data[2];
79
80	data[0] = type;
81	data[1] = EnCFG_BBType_MASK;
82
83	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_ENCFG0,
84		MESSAGE_REQUEST_MACREG,	ARRAY_SIZE(data), data);
85}
86
87/*
88 * Description:
89 *      Disable the Key Entry by MISCFIFO
90 *
91 * Parameters:
92 *  In:
93 *      dwIoBase        - Base Address for MAC
94 *
95 *  Out:
96 *      none
97 *
98 * Return Value: none
99 *
100 */
101void vnt_mac_disable_keyentry(struct vnt_private *priv, u8 entry_idx)
102{
103	vnt_control_out(priv, MESSAGE_TYPE_CLRKEYENTRY, 0, 0,
104		sizeof(entry_idx), &entry_idx);
105}
106
107/*
108 * Description:
109 *      Set the Key by MISCFIFO
110 *
111 * Parameters:
112 *  In:
113 *      dwIoBase        - Base Address for MAC
114 *
115 *  Out:
116 *      none
117 *
118 * Return Value: none
119 *
120 */
121void vnt_mac_set_keyentry(struct vnt_private *priv, u16 key_ctl, u32 entry_idx,
122	u32 key_idx, u8 *addr, u8 *key)
123{
124	struct vnt_mac_set_key set_key;
125	u16 offset;
126
127	offset = MISCFIFO_KEYETRY0;
128	offset += (entry_idx * MISCFIFO_KEYENTRYSIZE);
129
130	set_key.u.write.key_ctl = cpu_to_le16(key_ctl);
131	ether_addr_copy(set_key.u.write.addr, addr);
132
133	/* swap over swap[0] and swap[1] to get correct write order */
134	swap(set_key.u.swap[0], set_key.u.swap[1]);
135
136	memcpy(set_key.key, key, WLAN_KEY_LEN_CCMP);
137
138	dev_dbg(&priv->usb->dev, "offset %d key ctl %d set key %24ph\n",
139				offset, key_ctl, (u8 *)&set_key);
140
141	vnt_control_out(priv, MESSAGE_TYPE_SETKEY, offset,
142		(u16)key_idx, sizeof(struct vnt_mac_set_key), (u8 *)&set_key);
143}
144
145void vnt_mac_reg_bits_off(struct vnt_private *priv, u8 reg_ofs, u8 bits)
146{
147	u8 data[2];
148
149	data[0] = 0;
150	data[1] = bits;
151
152	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
153		reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
154}
155
156void vnt_mac_reg_bits_on(struct vnt_private *priv, u8 reg_ofs, u8 bits)
157{
158	u8 data[2];
159
160	data[0] = bits;
161	data[1] = bits;
162
163	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
164		reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
165}
166
167void vnt_mac_write_word(struct vnt_private *priv, u8 reg_ofs, u16 word)
168{
169	u8 data[2];
170
171	data[0] = (u8)(word & 0xff);
172	data[1] = (u8)(word >> 8);
173
174	vnt_control_out(priv, MESSAGE_TYPE_WRITE,
175		reg_ofs, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
176}
177
178void vnt_mac_set_bssid_addr(struct vnt_private *priv, u8 *addr)
179{
180	vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_BSSID0,
181		MESSAGE_REQUEST_MACREG, ETH_ALEN, addr);
182}
183
184void vnt_mac_enable_protect_mode(struct vnt_private *priv)
185{
186	u8 data[2];
187
188	data[0] = EnCFG_ProtectMd;
189	data[1] = EnCFG_ProtectMd;
190
191	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
192		MAC_REG_ENCFG0, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
193}
194
195void vnt_mac_disable_protect_mode(struct vnt_private *priv)
196{
197	u8 data[2];
198
199	data[0] = 0;
200	data[1] = EnCFG_ProtectMd;
201
202	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
203		MAC_REG_ENCFG0, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
204}
205
206void vnt_mac_enable_barker_preamble_mode(struct vnt_private *priv)
207{
208	u8 data[2];
209
210	data[0] = EnCFG_BarkerPream;
211	data[1] = EnCFG_BarkerPream;
212
213	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
214		MAC_REG_ENCFG2, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
215}
216
217void vnt_mac_disable_barker_preamble_mode(struct vnt_private *priv)
218{
219	u8 data[2];
220
221	data[0] = 0;
222	data[1] = EnCFG_BarkerPream;
223
224	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK,
225		MAC_REG_ENCFG2, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
226}
227
228void vnt_mac_set_beacon_interval(struct vnt_private *priv, u16 interval)
229{
230	u8 data[2];
231
232	data[0] = (u8)(interval & 0xff);
233	data[1] = (u8)(interval >> 8);
234
235	vnt_control_out(priv, MESSAGE_TYPE_WRITE,
236		MAC_REG_BI, MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
237}
238
239void vnt_mac_set_led(struct vnt_private *priv, u8 state, u8 led)
240{
241	u8 data[2];
242
243	data[0] = led;
244	data[1] = state;
245
246	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_PAPEDELAY,
247			MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
248}
249