xref: /titanic_41/usr/src/uts/common/io/urtw/urtw.c (revision 4f8b8adc54496e548e2d73094de038a131d9cd45)
1 /*
2  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*
7  * Copyright (c) 2008 Weongyo Jeong
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer,
15  *    without modification.
16  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
17  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
18  *    redistribution must be conditioned upon including a substantially
19  *    similar Disclaimer requirement for further binary redistribution.
20  *
21  * NO WARRANTY
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
25  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
26  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
27  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
30  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGES.
33  */
34 #include <sys/sysmacros.h>
35 #include <sys/strsubr.h>
36 #include <sys/strsun.h>
37 #include <sys/mac_provider.h>
38 #include <sys/mac_wifi.h>
39 #include <sys/net80211.h>
40 #define	USBDRV_MAJOR_VER	2
41 #define	USBDRV_MINOR_VER	0
42 #include <sys/usb/usba.h>
43 #include <sys/usb/usba/usba_types.h>
44 
45 #include "urtw_reg.h"
46 #include "urtw_var.h"
47 
48 static void *urtw_soft_state_p = NULL;
49 
50 #define	URTW_TXBUF_SIZE  	(IEEE80211_MAX_LEN)
51 #define	URTW_RXBUF_SIZE  	(URTW_TXBUF_SIZE)
52 /*
53  * device operations
54  */
55 static int urtw_attach(dev_info_t *, ddi_attach_cmd_t);
56 static int urtw_detach(dev_info_t *, ddi_detach_cmd_t);
57 
58 /*
59  * Module Loading Data & Entry Points
60  */
61 DDI_DEFINE_STREAM_OPS(urtw_dev_ops, nulldev, nulldev, urtw_attach,
62     urtw_detach, nodev, NULL, D_MP, NULL, ddi_quiesce_not_needed);
63 
64 static struct modldrv urtw_modldrv = {
65 	&mod_driverops,		/* Type of module.  This one is a driver */
66 	"RTL8187L driver v1.1",	/* short description */
67 	&urtw_dev_ops		/* driver specific ops */
68 };
69 
70 static struct modlinkage modlinkage = {
71 	MODREV_1,
72 	(void *)&urtw_modldrv,
73 	NULL
74 };
75 
76 static int	urtw_m_stat(void *,  uint_t, uint64_t *);
77 static int	urtw_m_start(void *);
78 static void	urtw_m_stop(void *);
79 static int	urtw_m_promisc(void *, boolean_t);
80 static int	urtw_m_multicst(void *, boolean_t, const uint8_t *);
81 static int	urtw_m_unicst(void *, const uint8_t *);
82 static mblk_t	*urtw_m_tx(void *, mblk_t *);
83 static void	urtw_m_ioctl(void *, queue_t *, mblk_t *);
84 static int	urtw_m_setprop(void *, const char *, mac_prop_id_t,
85     uint_t, const void *);
86 
87 static mac_callbacks_t urtw_m_callbacks = {
88 	MC_IOCTL | MC_SETPROP | MC_GETPROP,
89 	urtw_m_stat,
90 	urtw_m_start,
91 	urtw_m_stop,
92 	urtw_m_promisc,
93 	urtw_m_multicst,
94 	urtw_m_unicst,
95 	urtw_m_tx,
96 	urtw_m_ioctl,
97 	NULL,
98 	NULL,
99 	NULL,
100 	urtw_m_setprop,
101 	ieee80211_getprop
102 };
103 
104 static int  urtw_tx_start(struct urtw_softc *, mblk_t *, int);
105 static int  urtw_rx_start(struct urtw_softc *);
106 
107 
108 /*
109  * Supported rates for 802.11a/b/g modes (in 500Kbps unit).
110  */
111 static const struct ieee80211_rateset urtw_rateset_11b =
112 	{ 4, { 2, 4, 11, 22 } };
113 
114 static const struct ieee80211_rateset urtw_rateset_11g =
115 	{ 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } };
116 
117 
118 struct urtw_pair {
119 	uint32_t	reg;
120 	uint32_t	val;
121 };
122 
123 static uint8_t urtw_8225_agc[] = {
124 	0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9d, 0x9c, 0x9b,
125 	0x9a, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90,
126 	0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86, 0x85,
127 	0x84, 0x83, 0x82, 0x81, 0x80, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a,
128 	0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f,
129 	0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24,
130 	0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19,
131 	0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e,
132 	0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03,
133 	0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
134 	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
135 	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
136 };
137 
138 static uint32_t urtw_8225_channel[] = {
139 	0x0000,		/* dummy channel 0  */
140 	0x085c,		/* 1  */
141 	0x08dc,		/* 2  */
142 	0x095c,		/* 3  */
143 	0x09dc,		/* 4  */
144 	0x0a5c,		/* 5  */
145 	0x0adc,		/* 6  */
146 	0x0b5c,		/* 7  */
147 	0x0bdc,		/* 8  */
148 	0x0c5c,		/* 9  */
149 	0x0cdc,		/* 10  */
150 	0x0d5c,		/* 11  */
151 	0x0ddc,		/* 12  */
152 	0x0e5c,		/* 13  */
153 	0x0f72,		/* 14  */
154 };
155 
156 static uint8_t urtw_8225_gain[] = {
157 	0x23, 0x88, 0x7c, 0xa5,		/* -82dbm  */
158 	0x23, 0x88, 0x7c, 0xb5,		/* -82dbm  */
159 	0x23, 0x88, 0x7c, 0xc5,		/* -82dbm  */
160 	0x33, 0x80, 0x79, 0xc5,		/* -78dbm  */
161 	0x43, 0x78, 0x76, 0xc5,		/* -74dbm  */
162 	0x53, 0x60, 0x73, 0xc5,		/* -70dbm  */
163 	0x63, 0x58, 0x70, 0xc5,		/* -66dbm  */
164 };
165 
166 static struct urtw_pair urtw_8225_rf_part1[] = {
167 	{ 0x00, 0x0067 }, { 0x01, 0x0fe0 }, { 0x02, 0x044d }, { 0x03, 0x0441 },
168 	{ 0x04, 0x0486 }, { 0x05, 0x0bc0 }, { 0x06, 0x0ae6 }, { 0x07, 0x082a },
169 	{ 0x08, 0x001f }, { 0x09, 0x0334 }, { 0x0a, 0x0fd4 }, { 0x0b, 0x0391 },
170 	{ 0x0c, 0x0050 }, { 0x0d, 0x06db }, { 0x0e, 0x0029 }, { 0x0f, 0x0914 },
171 };
172 
173 static struct urtw_pair urtw_8225_rf_part2[] = {
174 	{ 0x00, 0x01 }, { 0x01, 0x02 }, { 0x02, 0x42 }, { 0x03, 0x00 },
175 	{ 0x04, 0x00 }, { 0x05, 0x00 }, { 0x06, 0x40 }, { 0x07, 0x00 },
176 	{ 0x08, 0x40 }, { 0x09, 0xfe }, { 0x0a, 0x09 }, { 0x0b, 0x80 },
177 	{ 0x0c, 0x01 }, { 0x0e, 0xd3 }, { 0x0f, 0x38 }, { 0x10, 0x84 },
178 	{ 0x11, 0x06 }, { 0x12, 0x20 }, { 0x13, 0x20 }, { 0x14, 0x00 },
179 	{ 0x15, 0x40 }, { 0x16, 0x00 }, { 0x17, 0x40 }, { 0x18, 0xef },
180 	{ 0x19, 0x19 }, { 0x1a, 0x20 }, { 0x1b, 0x76 }, { 0x1c, 0x04 },
181 	{ 0x1e, 0x95 }, { 0x1f, 0x75 }, { 0x20, 0x1f }, { 0x21, 0x27 },
182 	{ 0x22, 0x16 }, { 0x24, 0x46 }, { 0x25, 0x20 }, { 0x26, 0x90 },
183 	{ 0x27, 0x88 }
184 };
185 
186 static struct urtw_pair urtw_8225_rf_part3[] = {
187 	{ 0x00, 0x98 }, { 0x03, 0x20 }, { 0x04, 0x7e }, { 0x05, 0x12 },
188 	{ 0x06, 0xfc }, { 0x07, 0x78 }, { 0x08, 0x2e }, { 0x10, 0x9b },
189 	{ 0x11, 0x88 }, { 0x12, 0x47 }, { 0x13, 0xd0 }, { 0x19, 0x00 },
190 	{ 0x1a, 0xa0 }, { 0x1b, 0x08 }, { 0x40, 0x86 }, { 0x41, 0x8d },
191 	{ 0x42, 0x15 }, { 0x43, 0x18 }, { 0x44, 0x1f }, { 0x45, 0x1e },
192 	{ 0x46, 0x1a }, { 0x47, 0x15 }, { 0x48, 0x10 }, { 0x49, 0x0a },
193 	{ 0x4a, 0x05 }, { 0x4b, 0x02 }, { 0x4c, 0x05 }
194 };
195 
196 static uint16_t urtw_8225_rxgain[] = {
197 	0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409,
198 	0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541,
199 	0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583,
200 	0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644,
201 	0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688,
202 	0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745,
203 	0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789,
204 	0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793,
205 	0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d,
206 	0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9,
207 	0x07aa, 0x07ab, 0x07ac, 0x07ad, 0x07b0, 0x07b1, 0x07b2, 0x07b3,
208 	0x07b4, 0x07b5, 0x07b8, 0x07b9, 0x07ba, 0x07bb, 0x07bb
209 };
210 
211 static uint8_t urtw_8225_threshold[] = {
212 	0x8d, 0x8d, 0x8d, 0x8d, 0x9d, 0xad, 0xbd,
213 };
214 
215 static uint8_t urtw_8225_tx_gain_cck_ofdm[] = {
216 	0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e
217 };
218 
219 static uint8_t urtw_8225_txpwr_cck[] = {
220 	0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02,
221 	0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02,
222 	0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02,
223 	0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02,
224 	0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03,
225 	0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03
226 };
227 
228 static uint8_t urtw_8225_txpwr_cck_ch14[] = {
229 	0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00,
230 	0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00,
231 	0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00,
232 	0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00,
233 	0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00,
234 	0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00
235 };
236 
237 static uint8_t urtw_8225_txpwr_ofdm[] = {
238 	0x80, 0x90, 0xa2, 0xb5, 0xcb, 0xe4
239 };
240 
241 static uint8_t urtw_8225v2_gain_bg[] = {
242 	0x23, 0x15, 0xa5,		/* -82-1dbm  */
243 	0x23, 0x15, 0xb5,		/* -82-2dbm  */
244 	0x23, 0x15, 0xc5,		/* -82-3dbm  */
245 	0x33, 0x15, 0xc5,		/* -78dbm  */
246 	0x43, 0x15, 0xc5,		/* -74dbm  */
247 	0x53, 0x15, 0xc5,		/* -70dbm  */
248 	0x63, 0x15, 0xc5,		/* -66dbm  */
249 };
250 
251 static struct urtw_pair urtw_8225v2_rf_part1[] = {
252 	{ 0x00, 0x02bf }, { 0x01, 0x0ee0 }, { 0x02, 0x044d }, { 0x03, 0x0441 },
253 	{ 0x04, 0x08c3 }, { 0x05, 0x0c72 }, { 0x06, 0x00e6 }, { 0x07, 0x082a },
254 	{ 0x08, 0x003f }, { 0x09, 0x0335 }, { 0x0a, 0x09d4 }, { 0x0b, 0x07bb },
255 	{ 0x0c, 0x0850 }, { 0x0d, 0x0cdf }, { 0x0e, 0x002b }, { 0x0f, 0x0114 }
256 };
257 
258 static struct urtw_pair urtw_8225v2_rf_part2[] = {
259 	{ 0x00, 0x01 }, { 0x01, 0x02 }, { 0x02, 0x42 }, { 0x03, 0x00 },
260 	{ 0x04, 0x00 },	{ 0x05, 0x00 }, { 0x06, 0x40 }, { 0x07, 0x00 },
261 	{ 0x08, 0x40 }, { 0x09, 0xfe }, { 0x0a, 0x08 }, { 0x0b, 0x80 },
262 	{ 0x0c, 0x01 }, { 0x0d, 0x43 }, { 0x0e, 0xd3 }, { 0x0f, 0x38 },
263 	{ 0x10, 0x84 }, { 0x11, 0x07 }, { 0x12, 0x20 }, { 0x13, 0x20 },
264 	{ 0x14, 0x00 }, { 0x15, 0x40 }, { 0x16, 0x00 }, { 0x17, 0x40 },
265 	{ 0x18, 0xef }, { 0x19, 0x19 }, { 0x1a, 0x20 }, { 0x1b, 0x15 },
266 	{ 0x1c, 0x04 }, { 0x1d, 0xc5 }, { 0x1e, 0x95 }, { 0x1f, 0x75 },
267 	{ 0x20, 0x1f }, { 0x21, 0x17 }, { 0x22, 0x16 }, { 0x23, 0x80 },
268 	{ 0x24, 0x46 }, { 0x25, 0x00 }, { 0x26, 0x90 }, { 0x27, 0x88 }
269 };
270 
271 static struct urtw_pair urtw_8225v2_rf_part3[] = {
272 	{ 0x00, 0x98 }, { 0x03, 0x20 }, { 0x04, 0x7e }, { 0x05, 0x12 },
273 	{ 0x06, 0xfc }, { 0x07, 0x78 }, { 0x08, 0x2e }, { 0x09, 0x11 },
274 	{ 0x0a, 0x17 }, { 0x0b, 0x11 }, { 0x10, 0x9b }, { 0x11, 0x88 },
275 	{ 0x12, 0x47 }, { 0x13, 0xd0 }, { 0x19, 0x00 }, { 0x1a, 0xa0 },
276 	{ 0x1b, 0x08 }, { 0x1d, 0x00 }, { 0x40, 0x86 }, { 0x41, 0x9d },
277 	{ 0x42, 0x15 }, { 0x43, 0x18 }, { 0x44, 0x36 }, { 0x45, 0x35 },
278 	{ 0x46, 0x2e }, { 0x47, 0x25 }, { 0x48, 0x1c }, { 0x49, 0x12 },
279 	{ 0x4a, 0x09 }, { 0x4b, 0x04 }, { 0x4c, 0x05 }
280 };
281 
282 static uint16_t urtw_8225v2_rxgain[] = {
283 	0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0008, 0x0009,
284 	0x000a,	0x000b, 0x0102, 0x0103, 0x0104, 0x0105, 0x0140, 0x0141,
285 	0x0142,	0x0143, 0x0144, 0x0145, 0x0180, 0x0181, 0x0182, 0x0183,
286 	0x0184,	0x0185, 0x0188, 0x0189, 0x018a, 0x018b, 0x0243, 0x0244,
287 	0x0245,	0x0280, 0x0281, 0x0282, 0x0283, 0x0284, 0x0285, 0x0288,
288 	0x0289, 0x028a, 0x028b, 0x028c, 0x0342, 0x0343, 0x0344, 0x0345,
289 	0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0388, 0x0389,
290 	0x038a, 0x038b, 0x038c, 0x038d, 0x0390, 0x0391, 0x0392, 0x0393,
291 	0x0394, 0x0395, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d,
292 	0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a8, 0x03a9,
293 	0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03b0, 0x03b1, 0x03b2, 0x03b3,
294 	0x03b4, 0x03b5, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bb
295 };
296 
297 static uint8_t urtw_8225v2_tx_gain_cck_ofdm[] = {
298 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
299 	0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
300 	0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11,
301 	0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
302 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
303 	0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
304 };
305 
306 static uint8_t urtw_8225v2_txpwr_cck[] = {
307 	0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04
308 };
309 
310 static uint8_t urtw_8225v2_txpwr_cck_ch14[] = {
311 	0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00
312 };
313 
314 static struct urtw_pair urtw_ratetable[] = {
315 	{  2,  0 }, {   4,  1 }, { 11, 2 }, { 12, 4 }, { 18, 5 },
316 	{ 22,  3 }, {  24,  6 }, { 36, 7 }, { 48, 8 }, { 72, 9 },
317 	{ 96, 10 }, { 108, 11 }
318 };
319 
320 static int		urtw_init(void *);
321 static void		urtw_stop(struct urtw_softc *);
322 static int		urtw_set_channel(struct urtw_softc *);
323 static void
324 urtw_rxeof(usb_pipe_handle_t, usb_bulk_req_t *);
325 static int
326 urtw_newstate(struct ieee80211com *, enum ieee80211_state, int);
327 static usbd_status	urtw_read8_c(struct urtw_softc *, int, uint8_t *);
328 static usbd_status	urtw_read16_c(struct urtw_softc *, int, uint16_t *);
329 static usbd_status	urtw_read32_c(struct urtw_softc *, int, uint32_t *);
330 static usbd_status	urtw_write8_c(struct urtw_softc *, int, uint8_t);
331 static usbd_status	urtw_write16_c(struct urtw_softc *, int, uint16_t);
332 static usbd_status	urtw_write32_c(struct urtw_softc *, int, uint32_t);
333 static usbd_status	urtw_eprom_cs(struct urtw_softc *, int);
334 static usbd_status	urtw_eprom_ck(struct urtw_softc *);
335 static usbd_status	urtw_eprom_sendbits(struct urtw_softc *, int16_t *,
336 			    int);
337 static usbd_status	urtw_eprom_read32(struct urtw_softc *, uint32_t,
338 			    uint32_t *);
339 static usbd_status	urtw_eprom_readbit(struct urtw_softc *, int16_t *);
340 static usbd_status	urtw_eprom_writebit(struct urtw_softc *, int16_t);
341 static usbd_status	urtw_get_macaddr(struct urtw_softc *);
342 static usbd_status	urtw_get_txpwr(struct urtw_softc *);
343 static usbd_status	urtw_get_rfchip(struct urtw_softc *);
344 static usbd_status	urtw_led_init(struct urtw_softc *);
345 static usbd_status
346 urtw_8225_read(struct urtw_softc *, uint8_t, uint32_t *);
347 static usbd_status	urtw_8225_rf_init(struct urtw_softc *);
348 static usbd_status	urtw_8225_rf_set_chan(struct urtw_softc *, int);
349 static usbd_status	urtw_8225_rf_set_sens(struct urtw_softc *, int);
350 static usbd_status	urtw_8225v2_rf_init(struct urtw_softc *);
351 static usbd_status	urtw_8225v2_rf_set_chan(struct urtw_softc *, int);
352 static usbd_status	urtw_open_pipes(struct urtw_softc *);
353 static void urtw_close_pipes(struct urtw_softc *);
354 static void urtw_led_launch(void *);
355 
356 #ifdef DEBUG
357 
358 #define	URTW_DEBUG_XMIT		0x00000001
359 #define	URTW_DEBUG_RECV		0x00000002
360 #define	URTW_DEBUG_LED 		0x00000004
361 #define	URTW_DEBUG_GLD 		0x00000008
362 #define	URTW_DEBUG_RF		0x00000010
363 #define	URTW_DEBUG_ATTACH 	0x00000020
364 #define	URTW_DEBUG_ACTIVE 	0x00000040
365 #define	URTW_DEBUG_HWTYPE	0x00000080
366 #define	URTW_DEBUG_STATE	0x00000100
367 #define	URTW_DEBUG_HOTPLUG	0x00000200
368 #define	URTW_DEBUG_STAT		0x00000400
369 #define	URTW_DEBUG_TX_PROC	0x00000800
370 #define	URTW_DEBUG_RX_PROC 	0x00001000
371 #define	URTW_DEBUG_EEPROM	0x00002000
372 #define	URTW_DEBUG_RESET	0x00004000
373 #define	URTW_DEBUG_DEVREQ	0x00010000
374 #define	URTW_DEBUG_ANY		0xffffffff
375 
376 uint32_t urtw8187_dbg_flags = 0;
377 static void
378 urtw8187_dbg(dev_info_t *dip, int level, const char *fmt, ...)
379 {
380 	char		msg_buffer[255];
381 	va_list	ap;
382 
383 	if (dip == NULL) {
384 		return;
385 	}
386 
387 	va_start(ap, fmt);
388 	(void) vsprintf(msg_buffer, fmt, ap);
389 	cmn_err(level, "%s%d: %s", ddi_get_name(dip),
390 	    ddi_get_instance(dip), msg_buffer);
391 	va_end(ap);
392 }
393 
394 #define	URTW8187_DBG(l, x) do {\
395 	_NOTE(CONSTANTCONDITION) \
396 	if ((l) & urtw8187_dbg_flags) \
397 		urtw8187_dbg x;\
398 	_NOTE(CONSTANTCONDITION) \
399 } while (0)
400 #else
401 #define	URTW8187_DBG(l, x)
402 #endif
403 
404 static usbd_status
405 urtw_led_init(struct urtw_softc *sc)
406 {
407 	uint32_t rev;
408 	usbd_status error;
409 
410 	if (error = urtw_read8_c(sc, URTW_PSR, &sc->sc_psr))
411 		goto fail;
412 	error = urtw_eprom_read32(sc, URTW_EPROM_SWREV, &rev);
413 	if (error != 0)
414 		goto fail;
415 
416 	switch (rev & URTW_EPROM_CID_MASK) {
417 	case URTW_EPROM_CID_ALPHA0:
418 		sc->sc_strategy = URTW_SW_LED_MODE1;
419 		break;
420 	case URTW_EPROM_CID_SERCOMM_PS:
421 		sc->sc_strategy = URTW_SW_LED_MODE3;
422 		break;
423 	case URTW_EPROM_CID_HW_LED:
424 		sc->sc_strategy = URTW_HW_LED;
425 		break;
426 	case URTW_EPROM_CID_RSVD0:
427 	case URTW_EPROM_CID_RSVD1:
428 	default:
429 		sc->sc_strategy = URTW_SW_LED_MODE0;
430 		break;
431 	}
432 
433 	sc->sc_gpio_ledpin = URTW_LED_PIN_GPIO0;
434 
435 fail:
436 	return (error);
437 }
438 
439 static usbd_status
440 urtw_8225_write_s16(struct urtw_softc *sc, uint8_t addr, int index,
441     uint16_t *data)
442 {
443 	usb_ctrl_setup_t req;
444 	usb_cr_t cr;
445 	usb_cb_flags_t cf;
446 	mblk_t *mp = 0;
447 	uint16_t data16;
448 	usbd_status error;
449 
450 	data16 = *data;
451 	bzero(&req, sizeof (req));
452 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
453 	req.bRequest = URTW_8187_SETREGS_REQ;
454 	req.wValue = addr;
455 	req.wIndex = (uint16_t)index;
456 	req.wLength = sizeof (uint16_t);
457 	req.attrs = USB_ATTRS_NONE;
458 
459 	mp = allocb(sizeof (uint16_t), BPRI_MED);
460 	if (mp == 0) {
461 		cmn_err(CE_WARN, "urtw_8225_write_s16: allocb failed\n");
462 		return (-1);
463 	}
464 	*(mp->b_rptr) = (data16 & 0x00ff);
465 	*(mp->b_rptr + 1) = (data16 & 0xff00) >> 8;
466 	mp->b_wptr += sizeof (uint16_t);
467 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
468 	    &cr, &cf, 0);
469 	if (error != USB_SUCCESS) {
470 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
471 		    "urtw_8225_write_s16: could not set regs:"
472 		    "cr:%s(%d), cf:(%x)\n", usb_str_cr(cr), cr, cf));
473 	}
474 	if (mp)
475 		freemsg(mp);
476 	return (error);
477 
478 }
479 
480 static usbd_status
481 urtw_8225_read(struct urtw_softc *sc, uint8_t addr, uint32_t *data)
482 {
483 	int i;
484 	int16_t bit;
485 	uint8_t rlen = 12, wlen = 6;
486 	uint16_t o1, o2, o3, tmp;
487 	uint32_t d2w = ((uint32_t)(addr & 0x1f)) << 27;
488 	uint32_t mask = 0x80000000, value = 0;
489 	usbd_status error;
490 
491 	if (error = urtw_read16_c(sc, URTW_RF_PINS_OUTPUT, &o1))
492 		goto fail;
493 	if (error = urtw_read16_c(sc, URTW_RF_PINS_ENABLE, &o2))
494 		goto fail;
495 	if (error = urtw_read16_c(sc, URTW_RF_PINS_SELECT, &o3))
496 		goto fail;
497 	if (error = urtw_write16_c(sc, URTW_RF_PINS_ENABLE, o2 | 0xf))
498 		goto fail;
499 	if (error = urtw_write16_c(sc, URTW_RF_PINS_SELECT, o3 | 0xf))
500 		goto fail;
501 	o1 &= ~0xf;
502 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
503 	    o1 | URTW_BB_HOST_BANG_EN))
504 		goto fail;
505 	DELAY(5);
506 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, o1))
507 		goto fail;
508 	DELAY(5);
509 
510 	for (i = 0; i < (wlen / 2); i++, mask = mask >> 1) {
511 		bit = ((d2w & mask) != 0) ? 1 : 0;
512 
513 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, bit | o1))
514 			goto fail;
515 		DELAY(2);
516 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, bit | o1 |
517 		    URTW_BB_HOST_BANG_CLK))
518 			goto fail;
519 		DELAY(2);
520 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, bit | o1 |
521 		    URTW_BB_HOST_BANG_CLK))
522 			goto fail;
523 		DELAY(2);
524 		mask = mask >> 1;
525 		if (i == 2)
526 			break;
527 		bit = ((d2w & mask) != 0) ? 1 : 0;
528 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, bit | o1 |
529 		    URTW_BB_HOST_BANG_CLK))
530 			goto fail;
531 		DELAY(2);
532 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, bit | o1 |
533 		    URTW_BB_HOST_BANG_CLK))
534 			goto fail;
535 		DELAY(2);
536 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, bit | o1))
537 			goto fail;
538 		DELAY(1);
539 	}
540 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
541 	    bit | o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK))
542 		goto fail;
543 	DELAY(2);
544 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
545 	    bit | o1 | URTW_BB_HOST_BANG_RW))
546 		goto fail;
547 	DELAY(2);
548 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
549 	    o1 | URTW_BB_HOST_BANG_RW))
550 		goto fail;
551 	DELAY(2);
552 
553 	mask = 0x800;
554 	for (i = 0; i < rlen; i++, mask = mask >> 1) {
555 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
556 		    o1 | URTW_BB_HOST_BANG_RW))
557 			goto fail;
558 		DELAY(2);
559 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
560 		    o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK))
561 			goto fail;
562 		DELAY(2);
563 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
564 		    o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK))
565 			goto fail;
566 		DELAY(2);
567 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
568 		    o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK))
569 			goto fail;
570 		DELAY(2);
571 
572 		if (error = urtw_read16_c(sc, URTW_RF_PINS_INPUT, &tmp))
573 			goto fail;
574 		value |= ((tmp & URTW_BB_HOST_BANG_CLK) ? mask : 0);
575 		if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
576 		    o1 | URTW_BB_HOST_BANG_RW))
577 			goto fail;
578 		DELAY(2);
579 	}
580 
581 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
582 	    o1 | URTW_BB_HOST_BANG_EN |
583 	    URTW_BB_HOST_BANG_RW))
584 		goto fail;
585 	DELAY(2);
586 
587 	if (error = urtw_write16_c(sc, URTW_RF_PINS_ENABLE, o2))
588 		goto fail;
589 	if (error = urtw_write16_c(sc, URTW_RF_PINS_SELECT, o3))
590 		goto fail;
591 	error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, 0x3a0);
592 
593 	if (data != NULL)
594 		*data = value;
595 fail:
596 	return (error);
597 }
598 
599 static void
600 urtw_delay_ms(int t)
601 {
602 	DELAY(t * 1000);
603 }
604 
605 static usbd_status
606 urtw_8225_write_c(struct urtw_softc *sc, uint8_t addr, uint16_t data)
607 {
608 	uint16_t d80, d82, d84;
609 	usbd_status error;
610 
611 	if (error = urtw_read16_c(sc, URTW_RF_PINS_OUTPUT, &d80))
612 		goto fail;
613 	d80 &= 0xfff3;
614 	if (error = urtw_read16_c(sc, URTW_RF_PINS_ENABLE, &d82))
615 		goto fail;
616 	if (error = urtw_read16_c(sc, URTW_RF_PINS_SELECT, &d84))
617 		goto fail;
618 	d84 &= 0xfff0;
619 	if (error = urtw_write16_c(sc, URTW_RF_PINS_ENABLE,
620 	    d82 | 0x0007))
621 		goto fail;
622 	if (error = urtw_write16_c(sc, URTW_RF_PINS_SELECT,
623 	    d84 | 0x0007))
624 		goto fail;
625 	DELAY(10);
626 
627 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
628 	    d80 | URTW_BB_HOST_BANG_EN))
629 		goto fail;
630 	DELAY(2);
631 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, d80))
632 		goto fail;
633 	DELAY(10);
634 
635 	error = urtw_8225_write_s16(sc, addr, 0x8225, &data);
636 	if (error != 0)
637 		goto fail;
638 
639 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
640 	    d80 | URTW_BB_HOST_BANG_EN))
641 		goto fail;
642 	DELAY(10);
643 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT,
644 	    d80 | URTW_BB_HOST_BANG_EN))
645 		goto fail;
646 	error = urtw_write16_c(sc, URTW_RF_PINS_SELECT, d84);
647 	urtw_delay_ms(2);
648 fail:
649 	return (error);
650 }
651 
652 static usbd_status
653 urtw_8225_isv2(struct urtw_softc *sc, int *ret)
654 {
655 	uint32_t data;
656 	usbd_status error;
657 
658 	*ret = 1;
659 
660 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, 0x0080))
661 		goto fail;
662 	if (error = urtw_write16_c(sc, URTW_RF_PINS_SELECT, 0x0080))
663 		goto fail;
664 	if (error = urtw_write16_c(sc, URTW_RF_PINS_ENABLE, 0x0080))
665 		goto fail;
666 	urtw_delay_ms(300);
667 
668 	if (error = urtw_8225_write_c(sc, 0x0, 0x1b7))
669 		goto fail;
670 
671 	error = urtw_8225_read(sc, 0x8, &data);
672 	if (error != 0)
673 		goto fail;
674 	if (data != 0x588)
675 		*ret = 0;
676 	else {
677 		error = urtw_8225_read(sc, 0x9, &data);
678 		if (error != 0)
679 			goto fail;
680 		if (data != 0x700)
681 			*ret = 0;
682 	}
683 
684 	error = urtw_8225_write_c(sc, 0x0, 0xb7);
685 fail:
686 	return (error);
687 }
688 
689 static usbd_status
690 urtw_get_rfchip(struct urtw_softc *sc)
691 {
692 	int ret;
693 	uint32_t data;
694 	usbd_status error;
695 
696 	error = urtw_eprom_read32(sc, URTW_EPROM_RFCHIPID, &data);
697 	if (error != 0)
698 		goto fail;
699 	switch (data & 0xff) {
700 	case URTW_EPROM_RFCHIPID_RTL8225U:
701 		error = urtw_8225_isv2(sc, &ret);
702 		if (error != 0)
703 			goto fail;
704 		if (ret == 0) {
705 			URTW8187_DBG(URTW_DEBUG_HWTYPE,
706 			    (sc->sc_dev, CE_CONT, "8225 RF chip detected\n"));
707 			sc->sc_rf_init = urtw_8225_rf_init;
708 			sc->sc_rf_set_sens = urtw_8225_rf_set_sens;
709 			sc->sc_rf_set_chan = urtw_8225_rf_set_chan;
710 		} else {
711 			URTW8187_DBG(URTW_DEBUG_HWTYPE,
712 			    (sc->sc_dev, CE_CONT,
713 			    "8225 v2 RF chip detected\n"));
714 			sc->sc_rf_init = urtw_8225v2_rf_init;
715 			sc->sc_rf_set_chan = urtw_8225v2_rf_set_chan;
716 		}
717 		sc->sc_max_sens = URTW_8225_RF_MAX_SENS;
718 		sc->sc_sens = URTW_8225_RF_DEF_SENS;
719 		break;
720 	default:
721 		cmn_err(CE_WARN, "unsupported RF chip %d\n", data & 0xff);
722 		error = -1;
723 	}
724 
725 fail:
726 	return (error);
727 }
728 
729 static usbd_status
730 urtw_get_txpwr(struct urtw_softc *sc)
731 {
732 	int i, j;
733 	uint32_t data;
734 	usbd_status error;
735 
736 	error = urtw_eprom_read32(sc, URTW_EPROM_TXPW_BASE, &data);
737 	if (error != 0)
738 		goto fail;
739 	sc->sc_txpwr_cck_base = data & 0xf;
740 	sc->sc_txpwr_ofdm_base = (data >> 4) & 0xf;
741 
742 	for (i = 1, j = 0; i < 6; i += 2, j++) {
743 		error = urtw_eprom_read32(sc, URTW_EPROM_TXPW0 + j, &data);
744 		if (error != 0)
745 			goto fail;
746 		sc->sc_txpwr_cck[i] = data & 0xf;
747 		sc->sc_txpwr_cck[i + 1] = (data & 0xf00) >> 8;
748 		sc->sc_txpwr_ofdm[i] = (data & 0xf0) >> 4;
749 		sc->sc_txpwr_ofdm[i + 1] = (data & 0xf000) >> 12;
750 	}
751 	for (i = 1, j = 0; i < 4; i += 2, j++) {
752 		error = urtw_eprom_read32(sc, URTW_EPROM_TXPW1 + j, &data);
753 		if (error != 0)
754 			goto fail;
755 		sc->sc_txpwr_cck[i + 6] = data & 0xf;
756 		sc->sc_txpwr_cck[i + 6 + 1] = (data & 0xf00) >> 8;
757 		sc->sc_txpwr_ofdm[i + 6] = (data & 0xf0) >> 4;
758 		sc->sc_txpwr_ofdm[i + 6 + 1] = (data & 0xf000) >> 12;
759 	}
760 	for (i = 1, j = 0; i < 4; i += 2, j++) {
761 		error = urtw_eprom_read32(sc, URTW_EPROM_TXPW2 + j, &data);
762 		if (error != 0)
763 			goto fail;
764 		sc->sc_txpwr_cck[i + 6 + 4] = data & 0xf;
765 		sc->sc_txpwr_cck[i + 6 + 4 + 1] = (data & 0xf00) >> 8;
766 		sc->sc_txpwr_ofdm[i + 6 + 4] = (data & 0xf0) >> 4;
767 		sc->sc_txpwr_ofdm[i + 6 + 4 + 1] = (data & 0xf000) >> 12;
768 	}
769 fail:
770 	return (error);
771 }
772 
773 static usbd_status
774 urtw_get_macaddr(struct urtw_softc *sc)
775 {
776 	uint32_t data;
777 	usbd_status error;
778 	uint8_t *m = 0;
779 
780 	error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR, &data);
781 	if (error != 0)
782 		goto fail;
783 	sc->sc_bssid[0] = data & 0xff;
784 	sc->sc_bssid[1] = (data & 0xff00) >> 8;
785 	error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 1, &data);
786 	if (error != 0)
787 		goto fail;
788 	sc->sc_bssid[2] = data & 0xff;
789 	sc->sc_bssid[3] = (data & 0xff00) >> 8;
790 	error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 2, &data);
791 	if (error != 0)
792 		goto fail;
793 	sc->sc_bssid[4] = data & 0xff;
794 	sc->sc_bssid[5] = (data & 0xff00) >> 8;
795 	bcopy(sc->sc_bssid, sc->sc_ic.ic_macaddr, IEEE80211_ADDR_LEN);
796 	m = sc->sc_bssid;
797 	URTW8187_DBG(URTW_DEBUG_HWTYPE, (sc->sc_dev, CE_CONT,
798 	    "MAC: %x:%x:%x:%x:%x:%x\n",
799 	    m[0], m[1], m[2], m[3], m[4], m[5]));
800 fail:
801 	return (error);
802 }
803 
804 static usbd_status
805 urtw_eprom_read32(struct urtw_softc *sc, uint32_t addr, uint32_t *data)
806 {
807 #define	URTW_READCMD_LEN	3
808 	int addrlen, i;
809 	int16_t addrstr[8], data16, readcmd[] = { 1, 1, 0 };
810 	usbd_status error;
811 
812 	/* NB: make sure the buffer is initialized  */
813 	*data = 0;
814 
815 	/* enable EPROM programming */
816 	if (error = urtw_write8_c(sc, URTW_EPROM_CMD,
817 	    URTW_EPROM_CMD_PROGRAM_MODE))
818 		goto fail;
819 	DELAY(URTW_EPROM_DELAY);
820 
821 	error = urtw_eprom_cs(sc, URTW_EPROM_ENABLE);
822 	if (error != 0)
823 		goto fail;
824 	error = urtw_eprom_ck(sc);
825 	if (error != 0)
826 		goto fail;
827 	error = urtw_eprom_sendbits(sc, readcmd, URTW_READCMD_LEN);
828 	if (error != 0)
829 		goto fail;
830 	if (sc->sc_epromtype == URTW_EEPROM_93C56) {
831 		addrlen = 8;
832 		addrstr[0] = addr & (1 << 7);
833 		addrstr[1] = addr & (1 << 6);
834 		addrstr[2] = addr & (1 << 5);
835 		addrstr[3] = addr & (1 << 4);
836 		addrstr[4] = addr & (1 << 3);
837 		addrstr[5] = addr & (1 << 2);
838 		addrstr[6] = addr & (1 << 1);
839 		addrstr[7] = addr & (1 << 0);
840 	} else {
841 		addrlen = 6;
842 		addrstr[0] = addr & (1 << 5);
843 		addrstr[1] = addr & (1 << 4);
844 		addrstr[2] = addr & (1 << 3);
845 		addrstr[3] = addr & (1 << 2);
846 		addrstr[4] = addr & (1 << 1);
847 		addrstr[5] = addr & (1 << 0);
848 	}
849 	error = urtw_eprom_sendbits(sc, addrstr, addrlen);
850 	if (error != 0)
851 		goto fail;
852 
853 	error = urtw_eprom_writebit(sc, 0);
854 	if (error != 0)
855 		goto fail;
856 
857 	for (i = 0; i < 16; i++) {
858 		error = urtw_eprom_ck(sc);
859 		if (error != 0)
860 			goto fail;
861 		error = urtw_eprom_readbit(sc, &data16);
862 		if (error != 0)
863 			goto fail;
864 
865 		(*data) |= (data16 << (15 - i));
866 	}
867 
868 	error = urtw_eprom_cs(sc, URTW_EPROM_DISABLE);
869 	if (error != 0)
870 		goto fail;
871 	error = urtw_eprom_ck(sc);
872 	if (error != 0)
873 		goto fail;
874 
875 	/* now disable EPROM programming */
876 	error = urtw_write8_c(sc, URTW_EPROM_CMD, URTW_EPROM_CMD_NORMAL_MODE);
877 fail:
878 	return (error);
879 #undef URTW_READCMD_LEN
880 }
881 
882 static usbd_status
883 urtw_eprom_readbit(struct urtw_softc *sc, int16_t *data)
884 {
885 	uint8_t data8;
886 	usbd_status error;
887 
888 	error = urtw_read8_c(sc, URTW_EPROM_CMD, &data8);
889 	*data = (data8 & URTW_EPROM_READBIT) ? 1 : 0;
890 	DELAY(URTW_EPROM_DELAY);
891 	return (error);
892 }
893 
894 static usbd_status
895 urtw_eprom_sendbits(struct urtw_softc *sc, int16_t *buf, int buflen)
896 {
897 	int i = 0;
898 	usbd_status error;
899 
900 	for (i = 0; i < buflen; i++) {
901 		error = urtw_eprom_writebit(sc, buf[i]);
902 		if (error != 0)
903 			goto fail;
904 		error = urtw_eprom_ck(sc);
905 		if (error != 0)
906 			goto fail;
907 	}
908 fail:
909 	return (error);
910 }
911 
912 static usbd_status
913 urtw_eprom_writebit(struct urtw_softc *sc, int16_t bit)
914 {
915 	uint8_t data;
916 	usbd_status error;
917 
918 	if (error = urtw_read8_c(sc, URTW_EPROM_CMD, &data))
919 		goto fail;
920 	if (bit != 0)
921 		error = urtw_write8_c(sc, URTW_EPROM_CMD,
922 		    data | URTW_EPROM_WRITEBIT);
923 	else
924 		error = urtw_write8_c(sc, URTW_EPROM_CMD,
925 		    data & ~URTW_EPROM_WRITEBIT);
926 	DELAY(URTW_EPROM_DELAY);
927 fail:
928 	return (error);
929 }
930 
931 static usbd_status
932 urtw_eprom_ck(struct urtw_softc *sc)
933 {
934 	uint8_t data;
935 	usbd_status error;
936 
937 	/* masking  */
938 	if (error = urtw_read8_c(sc, URTW_EPROM_CMD, &data))
939 		goto fail;
940 	if (error = urtw_write8_c(sc, URTW_EPROM_CMD, data | URTW_EPROM_CK))
941 		goto fail;
942 	DELAY(URTW_EPROM_DELAY);
943 	/* unmasking  */
944 	if (error = urtw_read8_c(sc, URTW_EPROM_CMD, &data))
945 		goto fail;
946 	error = urtw_write8_c(sc, URTW_EPROM_CMD, data & ~URTW_EPROM_CK);
947 	DELAY(URTW_EPROM_DELAY);
948 fail:
949 	return (error);
950 }
951 
952 static usbd_status
953 urtw_eprom_cs(struct urtw_softc *sc, int able)
954 {
955 	uint8_t data;
956 	usbd_status error;
957 
958 	if (error = urtw_read8_c(sc, URTW_EPROM_CMD, &data))
959 		goto fail;
960 	if (able == URTW_EPROM_ENABLE)
961 		error = urtw_write8_c(sc, URTW_EPROM_CMD,
962 		    data | URTW_EPROM_CS);
963 	else
964 		error = urtw_write8_c(sc, URTW_EPROM_CMD,
965 		    data & ~URTW_EPROM_CS);
966 	DELAY(URTW_EPROM_DELAY);
967 fail:
968 	return (error);
969 }
970 
971 static usbd_status
972 urtw_read8_c(struct urtw_softc *sc, int val, uint8_t *data)
973 {
974 	usb_ctrl_setup_t req;
975 	usb_cr_t cr;
976 	usb_cb_flags_t cf;
977 	mblk_t *mp = NULL;
978 	usbd_status error;
979 
980 	bzero(&req, sizeof (req));
981 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
982 	req.bRequest = URTW_8187_GETREGS_REQ;
983 	req.wValue = val | 0xff00;
984 	req.wIndex = 0;
985 	req.wLength = sizeof (uint8_t);
986 
987 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
988 	    &cr, &cf, 0);
989 
990 	if (error != USB_SUCCESS) {
991 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
992 		    "urtw_read8_c: get regs req failed :"
993 		    " cr:%s(%d), cf:(%x)\n", usb_str_cr(cr), cr, cf));
994 		return (error);
995 	}
996 	bcopy(mp->b_rptr, data, sizeof (uint8_t));
997 	URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
998 	    "urtw_read8_c: get regs data1 ok :0x%x", *data));
999 	if (mp)
1000 		freemsg(mp);
1001 	return (error);
1002 }
1003 
1004 static usbd_status
1005 urtw_read8e(struct urtw_softc *sc, int val, uint8_t *data)
1006 {
1007 	usb_ctrl_setup_t req;
1008 	usb_cr_t cr;
1009 	usb_cb_flags_t cf;
1010 	mblk_t *mp = NULL;
1011 	usbd_status error;
1012 
1013 	bzero(&req, sizeof (req));
1014 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
1015 	req.bRequest = URTW_8187_GETREGS_REQ;
1016 	req.wValue = val | 0xfe00;
1017 	req.wIndex = 0;
1018 	req.wLength = sizeof (uint8_t);
1019 	req.attrs = USB_ATTRS_AUTOCLEARING;
1020 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
1021 	    &cr, &cf, 0);
1022 
1023 	if (error != USB_SUCCESS) {
1024 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1025 		    "urtw_read8e: get regs req failed :"
1026 		    " cr:%s(%d), cf:(%x)\n", usb_str_cr(cr), cr, cf));
1027 		return (error);
1028 	}
1029 
1030 	if (mp) {
1031 		bcopy(mp->b_rptr, data, sizeof (uint8_t));
1032 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1033 		    "urtw_read8e: get regs data1 ok :0x%x", *data));
1034 		freemsg(mp);
1035 	}
1036 	return (error);
1037 }
1038 
1039 static usbd_status
1040 urtw_read16_c(struct urtw_softc *sc, int val, uint16_t *data)
1041 {
1042 	usb_ctrl_setup_t req;
1043 	usb_cr_t cr;
1044 	usb_cb_flags_t cf;
1045 	mblk_t *mp = NULL;
1046 	usbd_status error;
1047 
1048 	bzero(&req, sizeof (req));
1049 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
1050 	req.bRequest = URTW_8187_GETREGS_REQ;
1051 	req.wValue = val | 0xff00;
1052 	req.wIndex = 0;
1053 	req.wLength = sizeof (uint16_t);
1054 	req.attrs = USB_ATTRS_AUTOCLEARING;
1055 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
1056 	    &cr, &cf, 0);
1057 
1058 	if (error != USB_SUCCESS) {
1059 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1060 		    "urtw_read16_c: get regs req failed :"
1061 		    " cr:%s(%d), cf:(%x)\n",
1062 		    usb_str_cr(cr), cr, cf));
1063 		return (error);
1064 	}
1065 	if (mp) {
1066 		bcopy(mp->b_rptr, data, sizeof (uint16_t));
1067 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1068 		    "urtw_read16_c: get regs data2 ok :0x%x", *data));
1069 		freemsg(mp);
1070 	}
1071 	return (error);
1072 }
1073 
1074 static usbd_status
1075 urtw_read32_c(struct urtw_softc *sc, int val, uint32_t *data)
1076 {
1077 	usb_ctrl_setup_t req;
1078 	usb_cr_t cr;
1079 	usb_cb_flags_t cf;
1080 	mblk_t *mp = NULL;
1081 	usbd_status error;
1082 
1083 	bzero(&req, sizeof (req));
1084 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
1085 	req.bRequest = URTW_8187_GETREGS_REQ;
1086 	req.wValue = val | 0xff00;
1087 	req.wIndex = 0;
1088 	req.wLength = sizeof (uint32_t);
1089 	req.attrs = USB_ATTRS_AUTOCLEARING;
1090 
1091 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
1092 	    &cr, &cf, 0);
1093 
1094 	if (error != USB_SUCCESS) {
1095 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1096 		    "urtw_read32_c: get regs req failed :"
1097 		    " cr:%s(%d), cf:(%x)\n", usb_str_cr(cr), cr, cf));
1098 		return (error);
1099 	}
1100 
1101 	if (mp) {
1102 		bcopy(mp->b_rptr, data, sizeof (uint32_t));
1103 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1104 		    "urtw_read32_c: get regs data4 ok :0x%x", *data));
1105 		freemsg(mp);
1106 	}
1107 	return (error);
1108 }
1109 
1110 static usbd_status
1111 urtw_write8_c(struct urtw_softc *sc, int val, uint8_t data)
1112 {
1113 	usb_ctrl_setup_t req;
1114 	usb_cr_t cr;
1115 	usb_cb_flags_t cf;
1116 	mblk_t *mp = 0;
1117 	int error;
1118 
1119 	bzero(&req, sizeof (req));
1120 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1121 	req.bRequest = URTW_8187_SETREGS_REQ;
1122 	req.wValue = val | 0xff00;
1123 	req.wIndex = 0;
1124 	req.wLength = sizeof (uint8_t);
1125 	req.attrs = USB_ATTRS_NONE;
1126 
1127 	mp = allocb(sizeof (uint32_t), BPRI_MED);
1128 	if (mp == NULL) {
1129 		cmn_err(CE_CONT, "urtw_write8_c: failed alloc mblk.");
1130 		return (-1);
1131 	}
1132 	*(uint8_t *)(mp->b_rptr) = data;
1133 	mp->b_wptr += sizeof (uint8_t);
1134 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
1135 	    &cr, &cf, 0);
1136 	if (error != USB_SUCCESS) {
1137 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1138 		    "urtw_write8_c: could not set regs:"
1139 		    "cr:%s(%d), cf:(%x)\n", usb_str_cr(cr), cr, cf));
1140 	}
1141 	if (mp)
1142 		freemsg(mp);
1143 	return (error);
1144 }
1145 
1146 static usbd_status
1147 urtw_write8e(struct urtw_softc *sc, int val, uint8_t data)
1148 {
1149 	usb_ctrl_setup_t req;
1150 	usb_cr_t cr;
1151 	usb_cb_flags_t cf;
1152 	mblk_t *mp = 0;
1153 	int error;
1154 
1155 	bzero(&req, sizeof (req));
1156 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1157 	req.bRequest = URTW_8187_SETREGS_REQ;
1158 	req.wValue = val | 0xfe00;
1159 	req.wIndex = 0;
1160 	req.wLength = sizeof (uint8_t);
1161 	req.attrs = USB_ATTRS_NONE;
1162 
1163 	mp = allocb(sizeof (uint8_t), BPRI_MED);
1164 	if (mp == NULL) {
1165 		cmn_err(CE_CONT, "urtw_write8e: failed alloc mblk.");
1166 		return (-1);
1167 	}
1168 	*(mp->b_rptr) = data;
1169 	mp->b_wptr += sizeof (uint8_t);
1170 
1171 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
1172 	    &cr, &cf, 0);
1173 	if (error != USB_SUCCESS) {
1174 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1175 		    "urtw_write8e: could not set regs:"
1176 		    "cr:%s(%d), cf:(%x)\n",
1177 		    usb_str_cr(cr), cr, cf));
1178 	}
1179 	if (mp)
1180 		freemsg(mp);
1181 	return (error);
1182 }
1183 
1184 static usbd_status
1185 urtw_write16_c(struct urtw_softc *sc, int val, uint16_t data)
1186 {
1187 	usb_ctrl_setup_t req;
1188 	usb_cr_t cr;
1189 	usb_cb_flags_t cf;
1190 	mblk_t *mp = 0;
1191 	int error;
1192 
1193 	bzero(&req, sizeof (req));
1194 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1195 	req.bRequest = URTW_8187_SETREGS_REQ;
1196 	req.wValue = val | 0xff00;
1197 	req.wIndex = 0;
1198 	req.wLength = sizeof (uint16_t);
1199 	req.attrs = USB_ATTRS_NONE;
1200 
1201 	mp = allocb(sizeof (uint16_t), BPRI_MED);
1202 	if (mp == NULL) {
1203 		cmn_err(CE_CONT, "urtw_write16_c: failed alloc mblk.");
1204 		return (-1);
1205 	}
1206 	*(uint16_t *)(uintptr_t)(mp->b_rptr) = data;
1207 	mp->b_wptr += sizeof (uint16_t);
1208 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
1209 	    &cr, &cf, 0);
1210 	if (error != USB_SUCCESS) {
1211 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1212 		    "urtw_write16_c: could not set regs:"
1213 		    "cr:%s(%d), cf:(%x)\n",
1214 		    usb_str_cr(cr), cr, cf));
1215 	}
1216 	if (mp)
1217 		freemsg(mp);
1218 	return (error);
1219 }
1220 
1221 static usbd_status
1222 urtw_write32_c(struct urtw_softc *sc, int val, uint32_t data)
1223 {
1224 	usb_ctrl_setup_t req;
1225 	usb_cr_t cr;
1226 	usb_cb_flags_t cf;
1227 	mblk_t *mp = 0;
1228 	int error;
1229 
1230 	bzero(&req, sizeof (req));
1231 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1232 	req.bRequest = URTW_8187_SETREGS_REQ;
1233 	req.wValue = val | 0xff00;
1234 	req.wIndex = 0;
1235 	req.wLength = sizeof (uint32_t);
1236 	req.attrs = USB_ATTRS_NONE;
1237 
1238 	mp = allocb(sizeof (uint32_t), BPRI_MED);
1239 	if (mp == NULL) {
1240 		cmn_err(CE_CONT, "urtw_write32_c: failed alloc mblk.");
1241 		return (-1);
1242 	}
1243 	*(uint32_t *)(uintptr_t)(mp->b_rptr) = data;
1244 	mp->b_wptr += sizeof (uint32_t);
1245 	error = usb_pipe_ctrl_xfer_wait(sc->sc_udev->dev_default_ph, &req, &mp,
1246 	    &cr, &cf, 0);
1247 	if (error != USB_SUCCESS) {
1248 		URTW8187_DBG(URTW_DEBUG_DEVREQ, (sc->sc_dev, CE_CONT,
1249 		    "urtw_write32_c: could not set regs:"
1250 		    "cr:%s(%d), cf:(%x)\n",
1251 		    usb_str_cr(cr), cr, cf));
1252 	}
1253 
1254 	if (mp)
1255 		freemsg(mp);
1256 	return (error);
1257 }
1258 
1259 static usbd_status
1260 urtw_set_mode(struct urtw_softc *sc, uint32_t mode)
1261 {
1262 	uint8_t data;
1263 	usbd_status error;
1264 
1265 	if (error = urtw_read8_c(sc, URTW_EPROM_CMD, &data))
1266 		goto fail;
1267 	data = (data & ~URTW_EPROM_CMD_MASK) | (mode << URTW_EPROM_CMD_SHIFT);
1268 	data = data & ~(URTW_EPROM_CS | URTW_EPROM_CK);
1269 	error = urtw_write8_c(sc, URTW_EPROM_CMD, data);
1270 fail:
1271 	return (error);
1272 }
1273 
1274 static usbd_status
1275 urtw_8180_set_anaparam(struct urtw_softc *sc, uint32_t val)
1276 {
1277 	uint8_t data;
1278 	usbd_status error;
1279 
1280 	error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG);
1281 	if (error)
1282 		goto fail;
1283 
1284 	if (error = urtw_read8_c(sc, URTW_CONFIG3, &data))
1285 		goto fail;
1286 	if (error = urtw_write8_c(sc, URTW_CONFIG3,
1287 	    data | URTW_CONFIG3_ANAPARAM_WRITE))
1288 		goto fail;
1289 	if (error = urtw_write32_c(sc, URTW_ANAPARAM, val))
1290 		goto fail;
1291 	if (error = urtw_read8_c(sc, URTW_CONFIG3, &data))
1292 		goto fail;
1293 	if (error = urtw_write8_c(sc, URTW_CONFIG3,
1294 	    data & ~URTW_CONFIG3_ANAPARAM_WRITE))
1295 		goto fail;
1296 
1297 	error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL);
1298 	if (error)
1299 		goto fail;
1300 fail:
1301 	return (error);
1302 }
1303 
1304 static usbd_status
1305 urtw_8185_set_anaparam2(struct urtw_softc *sc, uint32_t val)
1306 {
1307 	uint8_t data;
1308 	usbd_status error;
1309 
1310 	error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG);
1311 	if (error)
1312 		goto fail;
1313 
1314 	if (error = urtw_read8_c(sc, URTW_CONFIG3, &data))
1315 		goto fail;
1316 	if (error = urtw_write8_c(sc, URTW_CONFIG3,
1317 	    data | URTW_CONFIG3_ANAPARAM_WRITE))
1318 		goto fail;
1319 	if (error = urtw_write32_c(sc, URTW_ANAPARAM2, val))
1320 		goto fail;
1321 	if (error = urtw_read8_c(sc, URTW_CONFIG3, &data))
1322 		goto fail;
1323 	if (error = urtw_write8_c(sc, URTW_CONFIG3,
1324 	    data & ~URTW_CONFIG3_ANAPARAM_WRITE))
1325 		goto fail;
1326 
1327 	error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL);
1328 	if (error)
1329 		goto fail;
1330 fail:
1331 	return (error);
1332 }
1333 
1334 static usbd_status
1335 urtw_intr_disable(struct urtw_softc *sc)
1336 {
1337 	usbd_status error;
1338 
1339 	error = urtw_write16_c(sc, URTW_INTR_MASK, 0);
1340 	return (error);
1341 }
1342 
1343 static usbd_status
1344 urtw_reset(struct urtw_softc *sc)
1345 {
1346 	uint8_t data;
1347 	usbd_status error;
1348 
1349 	error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON);
1350 	if (error)
1351 		goto fail;
1352 	error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON);
1353 	if (error)
1354 		goto fail;
1355 
1356 	error = urtw_intr_disable(sc);
1357 	if (error)
1358 		goto fail;
1359 	urtw_delay_ms(50);
1360 
1361 	error = urtw_write8e(sc, 0x18, 0x10);
1362 	if (error != 0)
1363 		goto fail;
1364 	error = urtw_write8e(sc, 0x18, 0x11);
1365 	if (error != 0)
1366 		goto fail;
1367 	error = urtw_write8e(sc, 0x18, 0x00);
1368 	if (error != 0)
1369 		goto fail;
1370 	urtw_delay_ms(50);
1371 
1372 	if (error = urtw_read8_c(sc, URTW_CMD, &data))
1373 		goto fail;
1374 	data = (data & 2) | URTW_CMD_RST;
1375 	if (error = urtw_write8_c(sc, URTW_CMD, data))
1376 		goto fail;
1377 	urtw_delay_ms(50);
1378 
1379 	if (error = urtw_read8_c(sc, URTW_CMD, &data))
1380 		goto fail;
1381 	if (data & URTW_CMD_RST) {
1382 		cmn_err(CE_CONT, "urtw reset timeout\n");
1383 		goto fail;
1384 	}
1385 	error = urtw_set_mode(sc, URTW_EPROM_CMD_LOAD);
1386 	if (error)
1387 		goto fail;
1388 	urtw_delay_ms(50);
1389 
1390 	error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON);
1391 	if (error)
1392 		goto fail;
1393 	error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON);
1394 	if (error)
1395 		goto fail;
1396 fail:
1397 	return (error);
1398 }
1399 
1400 static usbd_status
1401 urtw_led_on(struct urtw_softc *sc, int type)
1402 {
1403 	if (type == URTW_LED_GPIO) {
1404 		switch (sc->sc_gpio_ledpin) {
1405 		case URTW_LED_PIN_GPIO0:
1406 			(void) urtw_write8_c(sc, URTW_GPIO, 0x01);
1407 			(void) urtw_write8_c(sc, URTW_GP_ENABLE, 0x00);
1408 			break;
1409 		default:
1410 			cmn_err(CE_WARN, "unsupported LED PIN type 0x%x",
1411 			    sc->sc_gpio_ledpin);
1412 			/* never reach  */
1413 		}
1414 	} else {
1415 		cmn_err(CE_WARN, "unsupported LED type 0x%x", type);
1416 		/* never reach  */
1417 	}
1418 
1419 	sc->sc_gpio_ledon = 1;
1420 	return (0);
1421 }
1422 
1423 static usbd_status
1424 urtw_led_off(struct urtw_softc *sc, int type)
1425 {
1426 	if (type == URTW_LED_GPIO) {
1427 		switch (sc->sc_gpio_ledpin) {
1428 		case URTW_LED_PIN_GPIO0:
1429 			(void) urtw_write8_c(sc, URTW_GPIO, 0x01);
1430 			(void) urtw_write8_c(sc, URTW_GP_ENABLE, 0x01);
1431 			break;
1432 		default:
1433 			cmn_err(CE_WARN, "unsupported LED PIN type 0x%x",
1434 			    sc->sc_gpio_ledpin);
1435 			/* never reach  */
1436 		}
1437 	} else {
1438 		cmn_err(CE_WARN, "unsupported LED type 0x%x", type);
1439 		/* never reach  */
1440 	}
1441 
1442 	sc->sc_gpio_ledon = 0;
1443 	return (0);
1444 }
1445 
1446 static usbd_status
1447 urtw_led_mode0(struct urtw_softc *sc, int mode)
1448 {
1449 	URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
1450 	    "urtw_led_mode0: mode = %d\n", mode));
1451 	switch (mode) {
1452 	case URTW_LED_CTL_POWER_ON:
1453 		sc->sc_gpio_ledstate = URTW_LED_POWER_ON_BLINK;
1454 		break;
1455 	case URTW_LED_CTL_TX:
1456 		if (sc->sc_gpio_ledinprogress == 1)
1457 			return (0);
1458 		sc->sc_gpio_ledstate = URTW_LED_BLINK_NORMAL;
1459 		sc->sc_gpio_blinktime =
1460 		    (sc->sc_ic.ic_state == IEEE80211_S_RUN ? 4:2);
1461 		break;
1462 	case URTW_LED_CTL_LINK:
1463 		sc->sc_gpio_ledstate = URTW_LED_ON;
1464 		break;
1465 	default:
1466 		cmn_err(CE_CONT, "unsupported LED mode 0x%x", mode);
1467 		/* never reach  */
1468 	}
1469 
1470 	switch (sc->sc_gpio_ledstate) {
1471 	case URTW_LED_ON:
1472 		if (sc->sc_gpio_ledinprogress != 0)
1473 			break;
1474 		(void) urtw_led_on(sc, URTW_LED_GPIO);
1475 		break;
1476 	case URTW_LED_BLINK_NORMAL:
1477 		if (sc->sc_gpio_ledinprogress != 0)
1478 			break;
1479 		sc->sc_gpio_ledinprogress = 1;
1480 		sc->sc_gpio_blinkstate = (sc->sc_gpio_ledon != 0) ?
1481 		    URTW_LED_OFF : URTW_LED_ON;
1482 		URTW_LEDLOCK(sc);
1483 		if (sc->sc_led_ch == 0) {
1484 			URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
1485 			    "urtw_led_mode0: restart led timer\n"));
1486 			sc->sc_led_ch = timeout(urtw_led_launch,
1487 			    (void *)sc,
1488 			    drv_usectohz((sc->sc_ic.ic_state ==
1489 			    IEEE80211_S_RUN) ?
1490 			    URTW_LED_LINKON_BLINK :
1491 			    URTW_LED_LINKOFF_BLINK));
1492 			sc->sc_gpio_ledinprogress = 0;
1493 		}
1494 		URTW_LEDUNLOCK(sc);
1495 		break;
1496 	case URTW_LED_POWER_ON_BLINK:
1497 		(void) urtw_led_on(sc, URTW_LED_GPIO);
1498 		urtw_delay_ms(100);
1499 		(void) urtw_led_off(sc, URTW_LED_GPIO);
1500 		break;
1501 	default:
1502 		URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
1503 		    "urtw_led_mode0: unknown LED status 0x%x",
1504 		    sc->sc_gpio_ledstate));
1505 	}
1506 	return (0);
1507 }
1508 
1509 static usbd_status
1510 urtw_led_mode1(struct urtw_softc *sc, int mode)
1511 {
1512 	cmn_err(CE_WARN, "urtw sc %p, mode %d not supported", (void *)sc, mode);
1513 	return (USBD_INVAL);
1514 }
1515 
1516 static usbd_status
1517 urtw_led_mode2(struct urtw_softc *sc, int mode)
1518 {
1519 	cmn_err(CE_WARN, "urtw sc %p, mode %d not supported", (void *)sc, mode);
1520 	return (USBD_INVAL);
1521 }
1522 
1523 static usbd_status
1524 urtw_led_mode3(struct urtw_softc *sc, int mode)
1525 {
1526 	cmn_err(CE_WARN, "urtw sc %p, mode %d not supported", (void *)sc, mode);
1527 	return (USBD_INVAL);
1528 }
1529 
1530 static usbd_status
1531 urtw_led_blink(struct urtw_softc *sc)
1532 {
1533 	uint8_t ing = 0;
1534 
1535 	URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
1536 	    "urtw_led_blink: gpio_blinkstate %d\n",
1537 	    sc->sc_gpio_blinkstate));
1538 	if (sc->sc_gpio_blinkstate == URTW_LED_ON)
1539 		(void) urtw_led_on(sc, URTW_LED_GPIO);
1540 	else
1541 		(void) urtw_led_off(sc, URTW_LED_GPIO);
1542 	sc->sc_gpio_blinktime--;
1543 	if (sc->sc_gpio_blinktime == 0)
1544 		ing = 1;
1545 	else {
1546 		if (sc->sc_gpio_ledstate != URTW_LED_BLINK_NORMAL &&
1547 		    sc->sc_gpio_ledstate != URTW_LED_BLINK_SLOWLY &&
1548 		    sc->sc_gpio_ledstate != URTW_LED_BLINK_CM3)
1549 			ing = 1;
1550 	}
1551 	if (ing == 1) {
1552 		if (sc->sc_gpio_ledstate == URTW_LED_ON &&
1553 		    sc->sc_gpio_ledon == 0)
1554 			(void) urtw_led_on(sc, URTW_LED_GPIO);
1555 		else if (sc->sc_gpio_ledstate == URTW_LED_OFF &&
1556 		    sc->sc_gpio_ledon == 1)
1557 			(void) urtw_led_off(sc, URTW_LED_GPIO);
1558 
1559 		sc->sc_gpio_blinktime = 0;
1560 		sc->sc_gpio_ledinprogress = 0;
1561 		return (0);
1562 	}
1563 
1564 	sc->sc_gpio_blinkstate = (sc->sc_gpio_blinkstate != URTW_LED_ON) ?
1565 	    URTW_LED_ON : URTW_LED_OFF;
1566 
1567 	switch (sc->sc_gpio_ledstate) {
1568 	case URTW_LED_BLINK_NORMAL:
1569 		URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
1570 		    "URTW_LED_BLINK_NORMAL\n"));
1571 		return (1);
1572 	default:
1573 		URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
1574 		    "unknown LED status 0x%x", sc->sc_gpio_ledstate));
1575 	}
1576 	return (0);
1577 }
1578 
1579 static usbd_status
1580 urtw_led_ctl(struct urtw_softc *sc, int mode)
1581 {
1582 	usbd_status error = 0;
1583 
1584 	switch (sc->sc_strategy) {
1585 	case URTW_SW_LED_MODE0:
1586 		error = urtw_led_mode0(sc, mode);
1587 		break;
1588 	case URTW_SW_LED_MODE1:
1589 		error = urtw_led_mode1(sc, mode);
1590 		break;
1591 	case URTW_SW_LED_MODE2:
1592 		error = urtw_led_mode2(sc, mode);
1593 		break;
1594 	case URTW_SW_LED_MODE3:
1595 		error = urtw_led_mode3(sc, mode);
1596 		break;
1597 	default:
1598 		cmn_err(CE_CONT, "unsupported LED mode %d\n", sc->sc_strategy);
1599 		/* never reach  */
1600 		return (-1);
1601 	}
1602 
1603 	return (error);
1604 }
1605 
1606 static usbd_status
1607 urtw_update_msr(struct urtw_softc *sc, int nstate)
1608 {
1609 	struct ieee80211com *ic = &sc->sc_ic;
1610 	uint8_t data;
1611 	usbd_status error;
1612 
1613 	if (error = urtw_read8_c(sc, URTW_MSR, &data))
1614 		goto fail;
1615 	data &= ~URTW_MSR_LINK_MASK;
1616 
1617 	if (nstate == IEEE80211_S_RUN) {
1618 		switch (ic->ic_opmode) {
1619 		case IEEE80211_M_STA:
1620 		case IEEE80211_M_MONITOR:
1621 			data |= URTW_MSR_LINK_STA;
1622 			break;
1623 		case IEEE80211_M_IBSS:
1624 			data |= URTW_MSR_LINK_ADHOC;
1625 			break;
1626 		case IEEE80211_M_HOSTAP:
1627 			data |= URTW_MSR_LINK_HOSTAP;
1628 			break;
1629 		default:
1630 			cmn_err(CE_CONT, "unsupported operation mode 0x%x\n",
1631 			    ic->ic_opmode);
1632 			return (-1);
1633 		}
1634 	} else
1635 		data |= URTW_MSR_LINK_NONE;
1636 
1637 	error = urtw_write8_c(sc, URTW_MSR, data);
1638 	drv_usecwait(10000);
1639 fail:
1640 	return (error);
1641 }
1642 
1643 static uint16_t
1644 urtw_rate2rtl(int rate)
1645 {
1646 #define	N(a)	(sizeof (a) / sizeof ((a)[0]))
1647 	int i;
1648 
1649 	for (i = 0; i < N(urtw_ratetable); i++) {
1650 		if (rate == urtw_ratetable[i].reg)
1651 			return (urtw_ratetable[i].val);
1652 	}
1653 	return (3);
1654 #undef N
1655 }
1656 
1657 static uint16_t
1658 urtw_rtl2rate(int rate)
1659 {
1660 #define	N(a)	(sizeof (a) / sizeof ((a)[0]))
1661 	int i;
1662 
1663 	for (i = 0; i < N(urtw_ratetable); i++) {
1664 		if (rate == urtw_ratetable[i].val)
1665 			return (urtw_ratetable[i].reg);
1666 	}
1667 
1668 	return (0);
1669 #undef N
1670 }
1671 
1672 static usbd_status
1673 urtw_set_rate(struct urtw_softc *sc)
1674 {
1675 	int i, basic_rate, min_rr_rate, max_rr_rate;
1676 	uint16_t data;
1677 	usbd_status error;
1678 
1679 	basic_rate = urtw_rate2rtl(48);
1680 	min_rr_rate = urtw_rate2rtl(12);
1681 	max_rr_rate = urtw_rate2rtl(48);
1682 	if (error = urtw_write8_c(sc, URTW_RESP_RATE,
1683 	    max_rr_rate << URTW_RESP_MAX_RATE_SHIFT |
1684 	    min_rr_rate << URTW_RESP_MIN_RATE_SHIFT))
1685 		goto fail;
1686 
1687 	if (error = urtw_read16_c(sc, URTW_BRSR, &data))
1688 		goto fail;
1689 	data &= ~URTW_BRSR_MBR_8185;
1690 
1691 	for (i = 0; i <= basic_rate; i++)
1692 		data |= (1 << i);
1693 
1694 	error = urtw_write16_c(sc, URTW_BRSR, data);
1695 fail:
1696 	return (error);
1697 }
1698 
1699 static usbd_status
1700 urtw_intr_enable(struct urtw_softc *sc)
1701 {
1702 	usbd_status error;
1703 
1704 	error = urtw_write16_c(sc, URTW_INTR_MASK, 0xffff);
1705 	return (error);
1706 }
1707 
1708 static usbd_status
1709 urtw_adapter_start(struct urtw_softc *sc)
1710 {
1711 	struct ieee80211com *ic = &sc->sc_ic;
1712 	usbd_status error;
1713 	int i = 0;
1714 
1715 	error = urtw_reset(sc);
1716 	if (error)
1717 		goto fail;
1718 
1719 	if (error = urtw_write8_c(sc, 0x85, 0))
1720 		goto fail;
1721 	if (error = urtw_write8_c(sc, URTW_GPIO, 0))
1722 		goto fail;
1723 
1724 	/* for led  */
1725 	if (error = urtw_write8_c(sc, 0x85, 4))
1726 		goto fail;
1727 	error = urtw_led_ctl(sc, URTW_LED_CTL_POWER_ON);
1728 	if (error != 0)
1729 		goto fail;
1730 
1731 	error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG);
1732 	if (error)
1733 		goto fail;
1734 	/* applying MAC address again.  */
1735 	for (i = 0; i < IEEE80211_ADDR_LEN; i++)
1736 		(void) urtw_write8_c(sc, URTW_MAC0 + i,
1737 		    ic->ic_macaddr[i]);
1738 	error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL);
1739 	if (error)
1740 		goto fail;
1741 
1742 	error = urtw_update_msr(sc, IEEE80211_S_INIT);
1743 	if (error)
1744 		goto fail;
1745 
1746 	if (error = urtw_write32_c(sc, URTW_INT_TIMEOUT, 0))
1747 		goto fail;
1748 	if (error = urtw_write8_c(sc, URTW_WPA_CONFIG, 0))
1749 		goto fail;
1750 	if (error = urtw_write8_c(sc, URTW_RATE_FALLBACK, 0x81))
1751 		goto fail;
1752 	error = urtw_set_rate(sc);
1753 	if (error != 0)
1754 		goto fail;
1755 
1756 	error = sc->sc_rf_init(sc);
1757 	if (error != 0)
1758 		goto fail;
1759 	if (sc->sc_rf_set_sens != NULL)
1760 		sc->sc_rf_set_sens(sc, sc->sc_sens);
1761 
1762 	if (error = urtw_write16_c(sc, 0x5e, 1))
1763 		goto fail;
1764 	if (error = urtw_write16_c(sc, 0xfe, 0x10))
1765 		goto fail;
1766 	if (error = urtw_write8_c(sc, URTW_TALLY_SEL, 0x80))
1767 		goto fail;
1768 	if (error = urtw_write8_c(sc, 0xff, 0x60))
1769 		goto fail;
1770 	if (error = urtw_write16_c(sc, 0x5e, 0))
1771 		goto fail;
1772 	if (error = urtw_write8_c(sc, 0x85, 4))
1773 		goto fail;
1774 	ic->ic_curchan = &ic->ic_sup_channels[1];
1775 	error = urtw_intr_enable(sc);
1776 	if (error != 0)
1777 		goto fail;
1778 
1779 fail:
1780 	return (error);
1781 }
1782 
1783 static usbd_status
1784 urtw_rx_setconf(struct urtw_softc *sc)
1785 {
1786 	struct ieee80211com *ic = &sc->sc_ic;
1787 	uint32_t data, a, b;
1788 	usbd_status error;
1789 
1790 	if (urtw_read32_c(sc, URTW_RX, &data))
1791 		goto fail;
1792 	data = data &~ URTW_RX_FILTER_MASK;
1793 	data = data | URTW_RX_FILTER_MNG | URTW_RX_FILTER_DATA;
1794 	data = data | URTW_RX_FILTER_BCAST | URTW_RX_FILTER_MCAST;
1795 
1796 	if (ic->ic_opmode == IEEE80211_M_MONITOR) {
1797 		data = data | URTW_RX_FILTER_ICVERR;
1798 		data = data | URTW_RX_FILTER_PWR;
1799 	}
1800 	if (sc->sc_crcmon == 1 && ic->ic_opmode == IEEE80211_M_MONITOR)
1801 		data = data | URTW_RX_FILTER_CRCERR;
1802 	data = data | URTW_RX_FILTER_NICMAC;
1803 	data = data | URTW_RX_CHECK_BSSID;
1804 	data = data &~ URTW_RX_FIFO_THRESHOLD_MASK;
1805 	data = data | URTW_RX_FIFO_THRESHOLD_NONE | URTW_RX_AUTORESETPHY;
1806 	data = data &~ URTW_MAX_RX_DMA_MASK;
1807 	a = URTW_MAX_RX_DMA_2048;
1808 	b = 0x80000000;
1809 	data = data | a | b;
1810 
1811 	error = urtw_write32_c(sc, URTW_RX, data);
1812 fail:
1813 	return (error);
1814 }
1815 
1816 static usbd_status
1817 urtw_rx_enable(struct urtw_softc *sc)
1818 {
1819 	int i;
1820 	usbd_status error;
1821 	uint8_t data;
1822 
1823 	sc->rx_queued = 0;
1824 	for (i = 0; i < URTW_RX_DATA_LIST_COUNT; i++) {
1825 		if (urtw_rx_start(sc) != 0) {
1826 			return (USB_FAILURE);
1827 		}
1828 	}
1829 
1830 	error = urtw_rx_setconf(sc);
1831 	if (error != 0)
1832 		goto fail;
1833 
1834 	if (error = urtw_read8_c(sc, URTW_CMD, &data))
1835 		goto fail;
1836 	error = urtw_write8_c(sc, URTW_CMD, data | URTW_CMD_RX_ENABLE);
1837 fail:
1838 	return (error);
1839 }
1840 
1841 static usbd_status
1842 urtw_tx_enable(struct urtw_softc *sc)
1843 {
1844 	uint8_t data8;
1845 	uint32_t data;
1846 	usbd_status error;
1847 
1848 	if (error = urtw_read8_c(sc, URTW_CW_CONF, &data8))
1849 		goto fail;
1850 	data8 &= ~(URTW_CW_CONF_PERPACKET_CW | URTW_CW_CONF_PERPACKET_RETRY);
1851 	if (error = urtw_write8_c(sc, URTW_CW_CONF, data8))
1852 		goto fail;
1853 
1854 	if (error = urtw_read8_c(sc, URTW_TX_AGC_CTL, &data8))
1855 		goto fail;
1856 	data8 &= ~URTW_TX_AGC_CTL_PERPACKET_GAIN;
1857 	data8 &= ~URTW_TX_AGC_CTL_PERPACKET_ANTSEL;
1858 	data8 &= ~URTW_TX_AGC_CTL_FEEDBACK_ANT;
1859 	if (error = urtw_write8_c(sc, URTW_TX_AGC_CTL, data8))
1860 		goto fail;
1861 
1862 	if (error = urtw_read32_c(sc, URTW_TX_CONF, &data))
1863 		goto fail;
1864 	data &= ~URTW_TX_LOOPBACK_MASK;
1865 	data |= URTW_TX_LOOPBACK_NONE;
1866 	data &= ~(URTW_TX_DPRETRY_MASK | URTW_TX_RTSRETRY_MASK);
1867 	data |= sc->sc_tx_retry << URTW_TX_DPRETRY_SHIFT;
1868 	data |= sc->sc_rts_retry << URTW_TX_RTSRETRY_SHIFT;
1869 	data &= ~(URTW_TX_NOCRC | URTW_TX_MXDMA_MASK);
1870 	data |= URTW_TX_MXDMA_2048 | 0x80000000 | URTW_TX_DISCW;
1871 	data &= ~URTW_TX_SWPLCPLEN;
1872 	data |= URTW_TX_NOICV;
1873 	if (error = urtw_write32_c(sc, URTW_TX_CONF, data))
1874 		goto fail;
1875 	if (error = urtw_read8_c(sc, URTW_CMD, &data8))
1876 		goto fail;
1877 	error = urtw_write8_c(sc, URTW_CMD, data8 | URTW_CMD_TX_ENABLE);
1878 fail:
1879 	return (error);
1880 }
1881 
1882 static int
1883 urtw_init(void *arg)
1884 {
1885 	struct urtw_softc *sc = arg;
1886 	usbd_status error;
1887 
1888 	urtw_stop(sc);
1889 	URTW_LOCK(sc);
1890 	error = urtw_open_pipes(sc);
1891 	if (error != 0)
1892 		goto fail;
1893 	error = urtw_adapter_start(sc);
1894 	if (error != 0)
1895 		goto fail;
1896 	sc->sc_tx_low_queued = 0;
1897 	sc->sc_tx_normal_queued = 0;
1898 	error = urtw_rx_enable(sc);
1899 	if (error != 0)
1900 		goto fail;
1901 	error = urtw_tx_enable(sc);
1902 	if (error != 0)
1903 		goto fail;
1904 
1905 	if (error == 0) {
1906 		URTW8187_DBG(URTW_DEBUG_ACTIVE, (sc->sc_dev,
1907 		    CE_CONT, "urtw_init: succesfully done\n"));
1908 		sc->sc_flags |= URTW_FLAG_RUNNING;
1909 		URTW_UNLOCK(sc);
1910 		return (error);
1911 	}
1912 
1913 fail:
1914 	URTW_UNLOCK(sc);
1915 	urtw_stop(sc);
1916 	return (error);
1917 }
1918 
1919 
1920 static usbd_status
1921 urtw_8225_usb_init(struct urtw_softc *sc)
1922 {
1923 	uint8_t data;
1924 	usbd_status error;
1925 
1926 	if (error = urtw_write8_c(sc, URTW_RF_PINS_SELECT + 1, 0))
1927 		goto fail;
1928 	if (error = urtw_write8_c(sc, URTW_GPIO, 0))
1929 		goto fail;
1930 	if (error = urtw_read8e(sc, 0x53, &data))
1931 		goto fail;
1932 	if (error = urtw_write8e(sc, 0x53, data | (1 << 7)))
1933 		goto fail;
1934 	if (error = urtw_write8_c(sc, URTW_RF_PINS_SELECT + 1, 4))
1935 		goto fail;
1936 	if (error = urtw_write8_c(sc, URTW_GPIO, 0x20))
1937 		goto fail;
1938 	if (error = urtw_write8_c(sc, URTW_GP_ENABLE, 0))
1939 		goto fail;
1940 	if (error = urtw_write16_c(sc, URTW_RF_PINS_OUTPUT, 0x80))
1941 		goto fail;
1942 	if (error = urtw_write16_c(sc, URTW_RF_PINS_SELECT, 0x80))
1943 		goto fail;
1944 	error = urtw_write16_c(sc, URTW_RF_PINS_ENABLE, 0x80);
1945 
1946 	urtw_delay_ms(100);
1947 fail:
1948 	return (error);
1949 }
1950 
1951 static usbd_status
1952 urtw_8185_rf_pins_enable(struct urtw_softc *sc)
1953 {
1954 	usbd_status error = 0;
1955 
1956 	error = urtw_write16_c(sc, URTW_RF_PINS_ENABLE, 0x1ff7);
1957 	return (error);
1958 }
1959 
1960 static usbd_status
1961 urtw_8187_write_phy(struct urtw_softc *sc, uint8_t addr, uint32_t data)
1962 {
1963 	uint32_t phyw;
1964 	usbd_status error;
1965 
1966 	phyw = ((data << 8) | (addr | 0x80));
1967 	if (error = urtw_write8_c(sc, 0x7f, ((phyw & 0xff000000) >> 24)))
1968 		goto fail;
1969 	if (error = urtw_write8_c(sc, 0x7e, ((phyw & 0x00ff0000) >> 16)))
1970 		goto fail;
1971 	if (error = urtw_write8_c(sc, 0x7d, ((phyw & 0x0000ff00) >> 8)))
1972 		goto fail;
1973 	error = urtw_write8_c(sc, 0x7c, ((phyw & 0x000000ff)));
1974 	urtw_delay_ms(1);
1975 fail:
1976 	return (error);
1977 }
1978 
1979 static usbd_status
1980 urtw_8187_write_phy_ofdm_c(struct urtw_softc *sc, uint8_t addr, uint32_t data)
1981 {
1982 	data = data & 0xff;
1983 	return (urtw_8187_write_phy(sc, addr, data));
1984 }
1985 
1986 static usbd_status
1987 urtw_8187_write_phy_cck_c(struct urtw_softc *sc, uint8_t addr, uint32_t data)
1988 {
1989 	data = data & 0xff;
1990 	return (urtw_8187_write_phy(sc, addr, (data | 0x10000)));
1991 }
1992 
1993 static usbd_status
1994 urtw_8225_setgain(struct urtw_softc *sc, int16_t gain)
1995 {
1996 	usbd_status error;
1997 
1998 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x0d,
1999 	    urtw_8225_gain[gain * 4]))
2000 		goto fail;
2001 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x1b,
2002 	    urtw_8225_gain[gain * 4 + 2]))
2003 		goto fail;
2004 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x1d,
2005 	    urtw_8225_gain[gain * 4 + 3]))
2006 		goto fail;
2007 	error = urtw_8187_write_phy_ofdm_c(sc, 0x23,
2008 	    urtw_8225_gain[gain * 4 + 1]);
2009 fail:
2010 	return (error);
2011 }
2012 
2013 static usbd_status
2014 urtw_8225_set_txpwrlvl(struct urtw_softc *sc, int chan)
2015 {
2016 	int i, idx, set;
2017 	uint8_t *cck_pwltable;
2018 	uint8_t cck_pwrlvl_max, ofdm_pwrlvl_min, ofdm_pwrlvl_max;
2019 	uint8_t cck_pwrlvl = sc->sc_txpwr_cck[chan] & 0xff;
2020 	uint8_t ofdm_pwrlvl = sc->sc_txpwr_ofdm[chan] & 0xff;
2021 	usbd_status error;
2022 
2023 	cck_pwrlvl_max = 11;
2024 	ofdm_pwrlvl_max = 25;	/* 12 -> 25  */
2025 	ofdm_pwrlvl_min = 10;
2026 
2027 	/* CCK power setting */
2028 	cck_pwrlvl = (cck_pwrlvl > cck_pwrlvl_max) ?
2029 	    cck_pwrlvl_max : cck_pwrlvl;
2030 	idx = cck_pwrlvl % 6;
2031 	set = cck_pwrlvl / 6;
2032 	cck_pwltable = (chan == 14) ? urtw_8225_txpwr_cck_ch14 :
2033 	    urtw_8225_txpwr_cck;
2034 
2035 	if (error = urtw_write8_c(sc, URTW_TX_GAIN_CCK,
2036 	    urtw_8225_tx_gain_cck_ofdm[set] >> 1))
2037 		goto fail;
2038 	for (i = 0; i < 8; i++) {
2039 		if (error = urtw_8187_write_phy_cck_c(sc, 0x44 + i,
2040 		    cck_pwltable[idx * 8 + i]))
2041 			goto fail;
2042 	}
2043 	urtw_delay_ms(1);
2044 	/* OFDM power setting */
2045 	ofdm_pwrlvl = (ofdm_pwrlvl > (ofdm_pwrlvl_max - ofdm_pwrlvl_min)) ?
2046 	    ofdm_pwrlvl_max : ofdm_pwrlvl + ofdm_pwrlvl_min;
2047 	ofdm_pwrlvl = (ofdm_pwrlvl > 35) ? 35 : ofdm_pwrlvl;
2048 	idx = ofdm_pwrlvl % 6;
2049 	set = ofdm_pwrlvl / 6;
2050 
2051 	error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON);
2052 	if (error)
2053 		goto fail;
2054 	if (error = urtw_8187_write_phy_ofdm_c(sc, 2, 0x42))
2055 		goto fail;
2056 	if (error = urtw_8187_write_phy_ofdm_c(sc, 6, 0))
2057 		goto fail;
2058 	if (error = urtw_8187_write_phy_ofdm_c(sc, 8, 0))
2059 		goto fail;
2060 
2061 	if (error = urtw_write8_c(sc, URTW_TX_GAIN_OFDM,
2062 	    urtw_8225_tx_gain_cck_ofdm[set] >> 1))
2063 		goto fail;
2064 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x5,
2065 	    urtw_8225_txpwr_ofdm[idx]))
2066 		goto fail;
2067 	error = urtw_8187_write_phy_ofdm_c(sc, 0x7,
2068 	    urtw_8225_txpwr_ofdm[idx]);
2069 	urtw_delay_ms(1);
2070 fail:
2071 	return (error);
2072 }
2073 
2074 static usbd_status
2075 urtw_8185_tx_antenna(struct urtw_softc *sc, uint8_t ant)
2076 {
2077 	usbd_status error;
2078 
2079 	error = urtw_write8_c(sc, URTW_TX_ANTENNA, ant);
2080 	urtw_delay_ms(1);
2081 	return (error);
2082 }
2083 
2084 static usbd_status
2085 urtw_8225_rf_init(struct urtw_softc *sc)
2086 {
2087 #define	N(a)	(sizeof (a) / sizeof ((a)[0]))
2088 	int i;
2089 	uint16_t data;
2090 	usbd_status error;
2091 
2092 	error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON);
2093 	if (error)
2094 		goto fail;
2095 
2096 	if (error = urtw_8225_usb_init(sc))
2097 		goto fail;
2098 	if (error = urtw_write32_c(sc, URTW_RF_TIMING, 0x000a8008))
2099 		goto fail;
2100 	if (error = urtw_read16_c(sc, URTW_BRSR, &data))
2101 		goto fail;
2102 	if (error = urtw_write16_c(sc, URTW_BRSR, 0xffff))
2103 		goto fail;
2104 	if (error = urtw_write32_c(sc, URTW_RF_PARA, 0x100044))
2105 		goto fail;
2106 
2107 	if (error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG))
2108 		goto fail;
2109 	if (error = urtw_write8_c(sc, URTW_CONFIG3, 0x44))
2110 		goto fail;
2111 	if (error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL))
2112 		goto fail;
2113 	if (error = urtw_8185_rf_pins_enable(sc))
2114 		goto fail;
2115 	urtw_delay_ms(100);
2116 
2117 	for (i = 0; i < N(urtw_8225_rf_part1); i++) {
2118 		if (error = urtw_8225_write_c(sc, urtw_8225_rf_part1[i].reg,
2119 		    urtw_8225_rf_part1[i].val))
2120 			goto fail;
2121 		urtw_delay_ms(1);
2122 	}
2123 	urtw_delay_ms(50);
2124 	if (error = urtw_8225_write_c(sc, 0x2, 0xc4d))
2125 		goto fail;
2126 	urtw_delay_ms(50);
2127 	if (error = urtw_8225_write_c(sc, 0x2, 0x44d))
2128 		goto fail;
2129 	urtw_delay_ms(50);
2130 	if (error = urtw_8225_write_c(sc, 0x0, 0x127))
2131 		goto fail;
2132 
2133 	for (i = 0; i < 95; i++) {
2134 		if (error = urtw_8225_write_c(sc, 0x1, (uint8_t)(i + 1)))
2135 			goto fail;
2136 		if (error = urtw_8225_write_c(sc, 0x2, urtw_8225_rxgain[i]))
2137 			goto fail;
2138 	}
2139 
2140 	if (error = urtw_8225_write_c(sc, 0x0, 0x27))
2141 		goto fail;
2142 	if (error = urtw_8225_write_c(sc, 0x0, 0x22f))
2143 		goto fail;
2144 
2145 	for (i = 0; i < 128; i++) {
2146 		if (error = urtw_8187_write_phy_ofdm_c(sc, 0xb,
2147 		    urtw_8225_agc[i]))
2148 			goto fail;
2149 		urtw_delay_ms(1);
2150 		if (error = urtw_8187_write_phy_ofdm_c(sc, 0xa,
2151 		    (uint8_t)i + 0x80))
2152 			goto fail;
2153 		urtw_delay_ms(1);
2154 	}
2155 
2156 	for (i = 0; i < N(urtw_8225_rf_part2); i++) {
2157 		if (error = urtw_8187_write_phy_ofdm_c(sc,
2158 		    urtw_8225_rf_part2[i].reg,
2159 		    urtw_8225_rf_part2[i].val))
2160 			goto fail;
2161 		urtw_delay_ms(1);
2162 	}
2163 	error = urtw_8225_setgain(sc, 4);
2164 	if (error)
2165 		goto fail;
2166 
2167 	for (i = 0; i < N(urtw_8225_rf_part3); i++) {
2168 		if (error = urtw_8187_write_phy_cck_c(sc,
2169 		    urtw_8225_rf_part3[i].reg,
2170 		    urtw_8225_rf_part3[i].val))
2171 			goto fail;
2172 		urtw_delay_ms(1);
2173 	}
2174 
2175 	if (error = urtw_write8_c(sc, 0x5b, 0x0d))
2176 		goto fail;
2177 	if (error = urtw_8225_set_txpwrlvl(sc, 1))
2178 		goto fail;
2179 	if (error = urtw_8187_write_phy_cck_c(sc, 0x10, 0x9b))
2180 		goto fail;
2181 	urtw_delay_ms(1);
2182 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x26, 0x90))
2183 		goto fail;
2184 	urtw_delay_ms(1);
2185 
2186 	/* TX ant A, 0x0 for B */
2187 	if (error = urtw_8185_tx_antenna(sc, 0x3))
2188 		goto fail;
2189 	if (error = urtw_write32_c(sc, 0x94, 0x3dc00002))
2190 		goto fail;
2191 
2192 	error = urtw_8225_rf_set_chan(sc, 1);
2193 fail:
2194 	return (error);
2195 #undef N
2196 }
2197 
2198 static usbd_status
2199 urtw_8225_rf_set_chan(struct urtw_softc *sc, int chan)
2200 {
2201 #define	IEEE80211_CHAN_G	\
2202 	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
2203 #define	IEEE80211_IS_CHAN_G(_c)		\
2204 	(((_c)->ich_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
2205 
2206 	struct ieee80211com *ic = &sc->sc_ic;
2207 	struct ieee80211_channel *c = ic->ic_curchan;
2208 	short gset = (IEEE80211_IS_CHAN_G(c)) ? 1 : 0;
2209 	usbd_status error;
2210 
2211 	if (error = urtw_8225_set_txpwrlvl(sc, chan))
2212 		goto fail;
2213 	if (urtw_8225_write_c(sc, 0x7, urtw_8225_channel[chan]))
2214 		goto fail;
2215 	urtw_delay_ms(10);
2216 
2217 	if (error = urtw_write8_c(sc, URTW_SIFS, 0x22))
2218 		goto fail;
2219 
2220 	if (ic->ic_state == IEEE80211_S_ASSOC &&
2221 	    ic->ic_flags & IEEE80211_F_SHSLOT)
2222 		if (error = urtw_write8_c(sc, URTW_SLOT, 0x9))
2223 			goto fail;
2224 	else
2225 		if (error = urtw_write8_c(sc, URTW_SLOT, 0x14))
2226 			goto fail;
2227 	if (gset) {
2228 		/* for G */
2229 		if (error = urtw_write8_c(sc, URTW_DIFS, 0x14))
2230 			goto fail;
2231 		if (error = urtw_write8_c(sc, URTW_EIFS, 0x5b - 0x14))
2232 			goto fail;
2233 		error = urtw_write8_c(sc, URTW_CW_VAL, 0x73);
2234 	} else {
2235 		/* for B */
2236 		if (error = urtw_write8_c(sc, URTW_DIFS, 0x24))
2237 			goto fail;
2238 		if (error = urtw_write8_c(sc, URTW_EIFS, 0x5b - 0x24))
2239 			goto fail;
2240 		error = urtw_write8_c(sc, URTW_CW_VAL, 0xa5);
2241 	}
2242 
2243 fail:
2244 	return (error);
2245 }
2246 
2247 static usbd_status
2248 urtw_8225_rf_set_sens(struct urtw_softc *sc, int sens)
2249 {
2250 	usbd_status error;
2251 
2252 	if (sens < 0 || sens > 6)
2253 		return (-1);
2254 
2255 	if (sens > 4)
2256 		if (error = urtw_8225_write_c(sc, 0x0c, 0x850))
2257 			goto fail;
2258 	else
2259 		if (error = urtw_8225_write_c(sc, 0x0c, 0x50))
2260 			goto fail;
2261 
2262 	sens = 6 - sens;
2263 	if (error = urtw_8225_setgain(sc, sens))
2264 		goto fail;
2265 	error = urtw_8187_write_phy_cck_c(sc, 0x41, urtw_8225_threshold[sens]);
2266 fail:
2267 	return (error);
2268 }
2269 
2270 static void
2271 urtw_stop(struct urtw_softc *sc)
2272 {
2273 	URTW_LOCK(sc);
2274 	sc->sc_flags &= ~URTW_FLAG_RUNNING;
2275 	URTW_UNLOCK(sc);
2276 	urtw_close_pipes(sc);
2277 }
2278 
2279 static int
2280 urtw_isbmode(uint16_t rate)
2281 {
2282 
2283 	rate = urtw_rtl2rate(rate);
2284 
2285 	return ((rate <= 22 && rate != 12 && rate != 18)?(1) : (0));
2286 }
2287 
2288 /* ARGSUSED */
2289 static void
2290 urtw_rxeof(usb_pipe_handle_t pipe, usb_bulk_req_t *req)
2291 {
2292 	struct urtw_softc *sc = (struct urtw_softc *)req->bulk_client_private;
2293 	struct ieee80211com *ic = &sc->sc_ic;
2294 	int actlen, len,  flen,  rssi;
2295 	uint8_t *desc, rate;
2296 	struct ieee80211_frame *wh;
2297 	struct ieee80211_node *ni = 0;
2298 	mblk_t *mp = 0;
2299 	uint8_t *rxbuf;
2300 
2301 	mp = req->bulk_data;
2302 	req->bulk_data = NULL;
2303 	if (req->bulk_completion_reason != USB_CR_OK ||
2304 	    mp == NULL) {
2305 		sc->sc_rx_err++;
2306 		URTW8187_DBG(URTW_DEBUG_RX_PROC, (sc->sc_dev, CE_CONT,
2307 		    "urtw_rxeof failed! %d\n",
2308 		    req->bulk_completion_reason));
2309 		req->bulk_data = mp;
2310 		goto fail;
2311 	}
2312 
2313 	actlen = MBLKL(mp);
2314 	rxbuf = (uint8_t *)mp->b_rptr;
2315 
2316 	/* 4 dword and 4 byte CRC  */
2317 	len = actlen - (4 * 4);
2318 	desc = rxbuf + len;
2319 	flen = ((desc[1] & 0x0f) << 8) + (desc[0] & 0xff);
2320 	if (flen > actlen) {
2321 		cmn_err(CE_CONT, "urtw_rxeof: impossible: flen %d, actlen %d\n",
2322 		    flen, actlen);
2323 		sc->sc_rx_err++;
2324 		req->bulk_data = mp;
2325 		goto fail;
2326 	}
2327 
2328 	rate = (desc[2] & 0xf0) >> 4;
2329 	URTW8187_DBG(URTW_DEBUG_RX_PROC, (sc->sc_dev, CE_CONT,
2330 	    "urtw_rxeof: rate is %u\n", rate));
2331 	/* XXX correct?  */
2332 	rssi = (desc[6] & 0xfe) >> 1;
2333 	if (!urtw_isbmode(rate)) {
2334 		rssi = (rssi > 90) ? 90 : ((rssi < 25) ? 25 : rssi);
2335 		rssi = ((90 - rssi) * 100) / 65;
2336 	} else {
2337 		rssi = (rssi > 90) ? 95 : ((rssi < 30) ? 30 : rssi);
2338 		rssi = ((95 - rssi) * 100) / 65;
2339 	}
2340 
2341 	mp->b_wptr = mp->b_rptr + flen - 4;
2342 
2343 	wh = (struct ieee80211_frame *)mp->b_rptr;
2344 	if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK)
2345 	    == IEEE80211_FC0_TYPE_DATA) {
2346 		sc->sc_currate = (rate > 0) ? rate : sc->sc_currate;
2347 		URTW8187_DBG(URTW_DEBUG_RX_PROC, (sc->sc_dev, CE_CONT,
2348 		    "urtw_rxeof: update sc_currate to %u\n",
2349 		    sc->sc_currate));
2350 	}
2351 	ni = ieee80211_find_rxnode(ic, wh);
2352 
2353 	/* send the frame to the 802.11 layer */
2354 	(void) ieee80211_input(ic, mp, ni, rssi, 0);
2355 
2356 	/* node is no longer needed */
2357 	ieee80211_free_node(ni);
2358 fail:
2359 	mutex_enter(&sc->rx_lock);
2360 	sc->rx_queued--;
2361 	mutex_exit(&sc->rx_lock);
2362 	usb_free_bulk_req(req);
2363 	if (URTW_IS_RUNNING(sc) && !URTW_IS_SUSPENDING(sc))
2364 		(void) urtw_rx_start(sc);
2365 }
2366 
2367 static usbd_status
2368 urtw_8225v2_setgain(struct urtw_softc *sc, int16_t gain)
2369 {
2370 	uint8_t *gainp;
2371 	usbd_status error;
2372 
2373 	/* XXX for A?  */
2374 	gainp = urtw_8225v2_gain_bg;
2375 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x0d, gainp[gain * 3]))
2376 		goto fail;
2377 	urtw_delay_ms(1);
2378 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x1b, gainp[gain * 3 + 1]))
2379 	urtw_delay_ms(1);
2380 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x1d, gainp[gain * 3 + 2]))
2381 		goto fail;
2382 	urtw_delay_ms(1);
2383 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x21, 0x17))
2384 		goto fail;
2385 	urtw_delay_ms(1);
2386 fail:
2387 	return (error);
2388 }
2389 
2390 static usbd_status
2391 urtw_8225v2_set_txpwrlvl(struct urtw_softc *sc, int chan)
2392 {
2393 	int i;
2394 	uint8_t *cck_pwrtable;
2395 	uint8_t cck_pwrlvl_max = 15, ofdm_pwrlvl_max = 25, ofdm_pwrlvl_min = 10;
2396 	uint8_t cck_pwrlvl = sc->sc_txpwr_cck[chan] & 0xff;
2397 	uint8_t ofdm_pwrlvl = sc->sc_txpwr_ofdm[chan] & 0xff;
2398 	usbd_status error;
2399 
2400 	/* CCK power setting */
2401 	cck_pwrlvl = (cck_pwrlvl > cck_pwrlvl_max) ?
2402 	    cck_pwrlvl_max : cck_pwrlvl;
2403 	cck_pwrlvl += sc->sc_txpwr_cck_base;
2404 	cck_pwrlvl = (cck_pwrlvl > 35) ? 35 : cck_pwrlvl;
2405 	cck_pwrtable = (chan == 14) ? urtw_8225v2_txpwr_cck_ch14 :
2406 	    urtw_8225v2_txpwr_cck;
2407 
2408 	for (i = 0; i < 8; i++) {
2409 		if (error = urtw_8187_write_phy_cck_c(sc, 0x44 + i,
2410 		    cck_pwrtable[i]))
2411 			goto fail;
2412 	}
2413 	if (error = urtw_write8_c(sc, URTW_TX_GAIN_CCK,
2414 	    urtw_8225v2_tx_gain_cck_ofdm[cck_pwrlvl]))
2415 		goto fail;
2416 	urtw_delay_ms(1);
2417 
2418 	/* OFDM power setting */
2419 	ofdm_pwrlvl = (ofdm_pwrlvl > (ofdm_pwrlvl_max - ofdm_pwrlvl_min)) ?
2420 	    ofdm_pwrlvl_max : ofdm_pwrlvl + ofdm_pwrlvl_min;
2421 	ofdm_pwrlvl += sc->sc_txpwr_ofdm_base;
2422 	ofdm_pwrlvl = (ofdm_pwrlvl > 35) ? 35 : ofdm_pwrlvl;
2423 
2424 	error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON);
2425 	if (error)
2426 		goto fail;
2427 
2428 	if (error = urtw_8187_write_phy_ofdm_c(sc, 2, 0x42))
2429 		goto fail;
2430 	if (error = urtw_8187_write_phy_ofdm_c(sc, 5, 0x0))
2431 		goto fail;
2432 	if (error = urtw_8187_write_phy_ofdm_c(sc, 6, 0x40))
2433 		goto fail;
2434 	if (error = urtw_8187_write_phy_ofdm_c(sc, 7, 0x0))
2435 		goto fail;
2436 	if (error = urtw_8187_write_phy_ofdm_c(sc, 8, 0x40))
2437 		goto fail;
2438 
2439 	error = urtw_write8_c(sc, URTW_TX_GAIN_OFDM,
2440 	    urtw_8225v2_tx_gain_cck_ofdm[ofdm_pwrlvl]);
2441 	urtw_delay_ms(1);
2442 fail:
2443 	return (error);
2444 }
2445 
2446 static usbd_status
2447 urtw_8225v2_rf_init(struct urtw_softc *sc)
2448 {
2449 #define	N(a)	(sizeof (a)/ sizeof ((a)[0]))
2450 	int i;
2451 	uint16_t data;
2452 	uint32_t data32;
2453 	usbd_status error;
2454 
2455 	if (error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON))
2456 		goto fail;
2457 	if (error = urtw_8225_usb_init(sc))
2458 		goto fail;
2459 	if (error = urtw_write32_c(sc, URTW_RF_TIMING, 0x000a8008))
2460 		goto fail;
2461 	if (error = urtw_read16_c(sc, URTW_BRSR, &data))
2462 		goto fail;
2463 	if (error = urtw_write16_c(sc, URTW_BRSR, 0xffff))
2464 		goto fail;
2465 	if (error = urtw_write32_c(sc, URTW_RF_PARA, 0x100044))
2466 		goto fail;
2467 	if (error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG))
2468 		goto fail;
2469 	if (error = urtw_write8_c(sc, URTW_CONFIG3, 0x44))
2470 		goto fail;
2471 	if (error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL))
2472 		goto fail;
2473 	if (error = urtw_8185_rf_pins_enable(sc))
2474 		goto fail;
2475 
2476 	urtw_delay_ms(500);
2477 
2478 	for (i = 0; i < N(urtw_8225v2_rf_part1); i++) {
2479 		if (error = urtw_8225_write_c(sc, urtw_8225v2_rf_part1[i].reg,
2480 		    urtw_8225v2_rf_part1[i].val))
2481 			goto fail;
2482 		urtw_delay_ms(1);
2483 	}
2484 	urtw_delay_ms(100);
2485 
2486 	if (error = urtw_8225_write_c(sc, 0x0, 0x1b7))
2487 		goto fail;
2488 
2489 	for (i = 0; i < 95; i++) {
2490 		if (error = urtw_8225_write_c(sc, 0x1, (uint8_t)(i + 1)))
2491 			goto fail;
2492 		urtw_delay_ms(1);
2493 		if (error = urtw_8225_write_c(sc, 0x2, urtw_8225v2_rxgain[i]))
2494 			goto fail;
2495 		urtw_delay_ms(1);
2496 	}
2497 
2498 	if (error = urtw_8225_write_c(sc, 0x3, 0x2))
2499 		goto fail;
2500 	urtw_delay_ms(1);
2501 	if (error = urtw_8225_write_c(sc, 0x5, 0x4))
2502 		goto fail;
2503 	urtw_delay_ms(1);
2504 	if (error = urtw_8225_write_c(sc, 0x0, 0xb7))
2505 		goto fail;
2506 	urtw_delay_ms(1);
2507 	if (error = urtw_8225_write_c(sc, 0x2, 0xc4d))
2508 		goto fail;
2509 	urtw_delay_ms(100);
2510 	if (error = urtw_8225_write_c(sc, 0x2, 0x44d))
2511 		goto fail;
2512 	urtw_delay_ms(100);
2513 
2514 	if (error = urtw_8225_read(sc, 0x6, &data32))
2515 		goto fail;
2516 	if (data32 != 0xe6) {
2517 		error = (-1);
2518 		cmn_err(CE_WARN, "expect 0xe6!! (0x%x)\n", data32);
2519 		goto fail;
2520 	}
2521 	if (!(data32 & 0x80)) {
2522 		if (error = urtw_8225_write_c(sc, 0x02, 0x0c4d))
2523 			goto fail;
2524 		urtw_delay_ms(200);
2525 		if (error = urtw_8225_write_c(sc, 0x02, 0x044d))
2526 			goto fail;
2527 		urtw_delay_ms(100);
2528 		if (error = urtw_8225_read(sc, 0x6, &data32))
2529 			goto fail;
2530 		if (!(data32 & 0x80))
2531 			cmn_err(CE_CONT, "RF calibration failed\n");
2532 	}
2533 	urtw_delay_ms(200);
2534 
2535 	if (error = urtw_8225_write_c(sc, 0x0, 0x2bf))
2536 		goto fail;
2537 	for (i = 0; i < 128; i++) {
2538 		if (error = urtw_8187_write_phy_ofdm_c(sc, 0xb,
2539 		    urtw_8225_agc[i]))
2540 			goto fail;
2541 		urtw_delay_ms(1);
2542 		if (error = urtw_8187_write_phy_ofdm_c(sc, 0xa,
2543 		    (uint8_t)i + 0x80))
2544 			goto fail;
2545 		urtw_delay_ms(1);
2546 	}
2547 	urtw_delay_ms(1);
2548 
2549 	for (i = 0; i < N(urtw_8225v2_rf_part2); i++) {
2550 		if (error = urtw_8187_write_phy_ofdm_c(sc,
2551 		    urtw_8225v2_rf_part2[i].reg,
2552 		    urtw_8225v2_rf_part2[i].val))
2553 			goto fail;
2554 		urtw_delay_ms(1);
2555 	}
2556 	error = urtw_8225v2_setgain(sc, 4);
2557 	if (error)
2558 		goto fail;
2559 
2560 	for (i = 0; i < N(urtw_8225v2_rf_part3); i++) {
2561 		if (error = urtw_8187_write_phy_cck_c(sc,
2562 		    urtw_8225v2_rf_part3[i].reg,
2563 		    urtw_8225v2_rf_part3[i].val))
2564 			goto fail;
2565 		urtw_delay_ms(1);
2566 	}
2567 
2568 	if (error = urtw_write8_c(sc, 0x5b, 0x0d))
2569 		goto fail;
2570 	if (error = urtw_8225v2_set_txpwrlvl(sc, 1))
2571 		goto fail;
2572 	if (error = urtw_8187_write_phy_cck_c(sc, 0x10, 0x9b))
2573 		goto fail;
2574 	urtw_delay_ms(1);
2575 	if (error = urtw_8187_write_phy_ofdm_c(sc, 0x26, 0x90))
2576 		goto fail;
2577 	urtw_delay_ms(1);
2578 
2579 	/* TX ant A, 0x0 for B */
2580 	if (error = urtw_8185_tx_antenna(sc, 0x3))
2581 		goto fail;
2582 	if (error = urtw_write32_c(sc, 0x94, 0x3dc00002))
2583 		goto fail;
2584 
2585 	error = urtw_8225_rf_set_chan(sc, 1);
2586 fail:
2587 	return (error);
2588 #undef N
2589 }
2590 
2591 static usbd_status
2592 urtw_8225v2_rf_set_chan(struct urtw_softc *sc, int chan)
2593 {
2594 	struct ieee80211com *ic = &sc->sc_ic;
2595 	struct ieee80211_channel *c = ic->ic_curchan;
2596 	short gset = (IEEE80211_IS_CHAN_G(c)) ? 1 : 0;
2597 	usbd_status error;
2598 
2599 	if (error = urtw_8225v2_set_txpwrlvl(sc, chan))
2600 		goto fail;
2601 
2602 	if (error = urtw_8225_write_c(sc, 0x7, urtw_8225_channel[chan]))
2603 		goto fail;
2604 
2605 	urtw_delay_ms(10);
2606 
2607 	if (error = urtw_write8_c(sc, URTW_SIFS, 0x22))
2608 		goto fail;
2609 
2610 	if (ic->ic_state == IEEE80211_S_ASSOC &&
2611 	    ic->ic_flags & IEEE80211_F_SHSLOT) {
2612 		if (error = urtw_write8_c(sc, URTW_SLOT, 0x9))
2613 			goto fail;
2614 	} else
2615 		if (error = urtw_write8_c(sc, URTW_SLOT, 0x14))
2616 			goto fail;
2617 	if (gset) {
2618 		/* for G */
2619 		if (error = urtw_write8_c(sc, URTW_DIFS, 0x14))
2620 			goto fail;
2621 		if (error = urtw_write8_c(sc, URTW_EIFS, 0x5b - 0x14))
2622 			goto fail;
2623 		if (error = urtw_write8_c(sc, URTW_CW_VAL, 0x73))
2624 			goto fail;
2625 	} else {
2626 		/* for B */
2627 		if (error = urtw_write8_c(sc, URTW_DIFS, 0x24))
2628 			goto fail;
2629 		if (error = urtw_write8_c(sc, URTW_EIFS, 0x5b - 0x24))
2630 			goto fail;
2631 		if (error = urtw_write8_c(sc, URTW_CW_VAL, 0xa5))
2632 			goto fail;
2633 	}
2634 
2635 fail:
2636 	return (error);
2637 }
2638 
2639 static int
2640 urtw_set_channel(struct urtw_softc *sc)
2641 {
2642 	struct ieee80211com *ic = &sc->sc_ic;
2643 	uint32_t data;
2644 	usbd_status error;
2645 
2646 	if (error = urtw_read32_c(sc, URTW_TX_CONF, &data))
2647 		goto fail;
2648 	data &= ~URTW_TX_LOOPBACK_MASK;
2649 	if (error = urtw_write32_c(sc, URTW_TX_CONF,
2650 	    data | URTW_TX_LOOPBACK_MAC))
2651 		goto fail;
2652 	error = sc->sc_rf_set_chan(sc,
2653 	    ieee80211_chan2ieee(ic, ic->ic_curchan));
2654 	if (error)
2655 		goto fail;
2656 	urtw_delay_ms(10);
2657 	error = urtw_write32_c(sc, URTW_TX_CONF, data | URTW_TX_LOOPBACK_NONE);
2658 fail:
2659 	return (error);
2660 }
2661 
2662 /* ARGSUSED */
2663 static void
2664 urtw_txeof_low(usb_pipe_handle_t pipe, usb_bulk_req_t *req)
2665 {
2666 	struct urtw_softc *sc = (struct urtw_softc *)req->bulk_client_private;
2667 	struct ieee80211com *ic = &sc->sc_ic;
2668 
2669 	URTW8187_DBG(URTW_DEBUG_TX_PROC, (sc->sc_dev, CE_CONT,
2670 	    "urtw_txeof_low(): cr:%s(%d), flags:0x%x, tx_queued:%d",
2671 	    usb_str_cr(req->bulk_completion_reason),
2672 	    req->bulk_completion_reason,
2673 	    req->bulk_cb_flags,
2674 	    sc->sc_tx_low_queued));
2675 	mutex_enter(&sc->tx_lock);
2676 	if (req->bulk_completion_reason != USB_CR_OK) {
2677 		ic->ic_stats.is_tx_failed++;
2678 		goto fail;
2679 	}
2680 
2681 	if (sc->sc_need_sched) {
2682 		sc->sc_need_sched = 0;
2683 		mac_tx_update(ic->ic_mach);
2684 	}
2685 fail:
2686 	sc->sc_tx_low_queued--;
2687 	mutex_exit(&sc->tx_lock);
2688 	usb_free_bulk_req(req);
2689 }
2690 
2691 /* ARGSUSED */
2692 static void
2693 urtw_txeof_normal(usb_pipe_handle_t pipe, usb_bulk_req_t *req)
2694 {
2695 	struct urtw_softc *sc = (struct urtw_softc *)req->bulk_client_private;
2696 	struct ieee80211com *ic = &sc->sc_ic;
2697 
2698 	URTW8187_DBG(URTW_DEBUG_ACTIVE, (sc->sc_dev, CE_CONT,
2699 	    "urtw_txeof_normal(): cr:%s(%d), flags:0x%x, tx_queued:%d",
2700 	    usb_str_cr(req->bulk_completion_reason),
2701 	    req->bulk_completion_reason,
2702 	    req->bulk_cb_flags,
2703 	    sc->sc_tx_normal_queued));
2704 
2705 	mutex_enter(&sc->tx_lock);
2706 	if (req->bulk_completion_reason != USB_CR_OK) {
2707 		ic->ic_stats.is_tx_failed++;
2708 		goto fail;
2709 	}
2710 
2711 	if (sc->sc_need_sched) {
2712 		sc->sc_need_sched = 0;
2713 		mac_tx_update(ic->ic_mach);
2714 	}
2715 fail:
2716 	sc->sc_tx_normal_queued--;
2717 	mutex_exit(&sc->tx_lock);
2718 	usb_free_bulk_req(req);
2719 }
2720 
2721 
2722 static int
2723 urtw_get_rate(struct ieee80211com *ic)
2724 {
2725 	uint8_t (*rates)[IEEE80211_RATE_MAXSIZE];
2726 	int rate;
2727 
2728 	rates = &ic->ic_bss->in_rates.ir_rates;
2729 
2730 	if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
2731 		rate = ic->ic_fixed_rate;
2732 	else if (ic->ic_state == IEEE80211_S_RUN)
2733 		rate = (*rates)[ic->ic_bss->in_txrate];
2734 	else
2735 		rate = 0;
2736 	return (rate & IEEE80211_RATE_VAL);
2737 }
2738 
2739 static int
2740 urtw_send(ieee80211com_t *ic, mblk_t *mp, uint8_t type)
2741 {
2742 	struct urtw_softc *sc = (struct urtw_softc *)ic;
2743 	struct ieee80211_frame *wh;
2744 	struct ieee80211_key *k;
2745 	struct ieee80211_node *ni = NULL;
2746 	uint8_t *buf;
2747 	mblk_t *m = 0, *m0, *mtx;
2748 	int off, mblen, xferlen, err = 0, priority = 0;
2749 
2750 	mutex_enter(&sc->tx_lock);
2751 	priority = (type == IEEE80211_FC0_TYPE_DATA) ?
2752 	    LOW_PRIORITY_PIPE: NORMAL_PRIORITY_PIPE;
2753 
2754 	if (URTW_IS_SUSPENDING(sc)) {
2755 		err = 0;
2756 		goto failed;
2757 	}
2758 
2759 	if (((priority)? sc->sc_tx_normal_queued : sc->sc_tx_low_queued) >=
2760 	    URTW_TX_DATA_LIST_COUNT) {
2761 		URTW8187_DBG(URTW_DEBUG_XMIT, (sc->sc_dev, CE_CONT,
2762 		    "urtw_send(): no TX buffer!\n"));
2763 		sc->sc_tx_nobuf++;
2764 		err = ENOMEM;
2765 		goto failed;
2766 	}
2767 
2768 	m = allocb(URTW_TXBUF_SIZE, BPRI_MED);
2769 	if (m == NULL) {
2770 		cmn_err(CE_WARN, "urtw_send(): can't alloc mblk.\n");
2771 		err = ENOMEM;
2772 		goto failed;
2773 	}
2774 
2775 	for (off = 0, m0 = mp; m0 != NULL; m0 = m0->b_cont) {
2776 		mblen = (uintptr_t)m0->b_wptr - (uintptr_t)m0->b_rptr;
2777 		(void) bcopy(m0->b_rptr, m->b_rptr + off, mblen);
2778 		off += mblen;
2779 	}
2780 	m->b_wptr += off;
2781 
2782 	wh = (struct ieee80211_frame *)m->b_rptr;
2783 
2784 	ni = ieee80211_find_txnode(ic, wh->i_addr1);
2785 	if (ni == NULL) {
2786 		err = ENXIO;
2787 		ic->ic_stats.is_tx_failed++;
2788 		goto failed;
2789 	}
2790 
2791 	if ((type & IEEE80211_FC0_TYPE_MASK) ==
2792 	    IEEE80211_FC0_TYPE_DATA) {
2793 		(void) ieee80211_encap(ic, m, ni);
2794 	}
2795 
2796 	if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2797 		k = ieee80211_crypto_encap(ic, m);
2798 		if (k == NULL) {
2799 			ic->ic_stats.is_tx_failed++;
2800 			err = ENXIO;
2801 			goto failed;
2802 		}
2803 		/* packet header may have moved, reset our local pointer */
2804 		wh = (struct ieee80211_frame *)m->b_rptr;
2805 	}
2806 
2807 	xferlen = MBLKL(m) + 4 * 3;
2808 	if ((0 == xferlen % 64) || (0 == xferlen % 512))
2809 		xferlen += 1;
2810 
2811 	mtx = allocb(xferlen, BPRI_MED);
2812 	buf = mtx->b_rptr;
2813 
2814 	bzero(buf, xferlen);
2815 	buf[0] = MBLKL(m) & 0xff;
2816 	buf[1] = (MBLKL(m) & 0x0f00) >> 8;
2817 	buf[1] |= (1 << 7);
2818 
2819 	/* XXX sc_preamble_mode is always 2.  */
2820 	if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG)
2821 		buf[2] |= (1 << 1);
2822 	/* RTS rate - 10 means we use a basic rate.  */
2823 	buf[2] |= (urtw_rate2rtl(2) << 3);
2824 	/*
2825 	 * XXX currently TX rate control depends on the rate value of
2826 	 * RX descriptor because I don't know how to we can control TX rate
2827 	 * in more smart way.  Please fix me you find a thing.
2828 	 */
2829 	if ((type & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) {
2830 		buf[3] = urtw_rate2rtl(MAX(2, urtw_get_rate(ic)));
2831 	} else
2832 		buf[3] = sc->sc_currate;
2833 	buf[8] = 3;		/* CW minimum  */
2834 	buf[8] |= (7 << 4);	/* CW maximum  */
2835 	buf[9] |= 11;		/* retry limitation  */
2836 
2837 	bcopy(m->b_rptr, &buf[12], MBLKL(m));
2838 
2839 	(void) urtw_led_ctl(sc, URTW_LED_CTL_TX);
2840 	mtx->b_wptr = mtx->b_rptr + xferlen;
2841 
2842 	URTW8187_DBG(URTW_DEBUG_XMIT, (sc->sc_dev, CE_CONT,
2843 	    "sending data frame len=%u rate=%u xfer len=%u\n",
2844 	    MBLKL(m), buf[3], xferlen));
2845 
2846 	err = urtw_tx_start(sc, mtx, priority);
2847 	if (!err) {
2848 		ic->ic_stats.is_tx_frags++;
2849 		ic->ic_stats.is_tx_bytes += MBLKL(m);
2850 	} else {
2851 		ic->ic_stats.is_tx_failed++;
2852 	}
2853 
2854 failed:
2855 	if (ni != NULL)
2856 		ieee80211_free_node(ni);
2857 
2858 	if ((mp) &&
2859 	    ((type & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_DATA ||
2860 	    err == DDI_SUCCESS)) {
2861 		freemsg(mp);
2862 	}
2863 	if (m) freemsg(m);
2864 
2865 	if (((type & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) &&
2866 	    (err != 0)) {
2867 		sc->sc_need_sched = 1;
2868 	}
2869 	mutex_exit(&sc->tx_lock);
2870 	return (err);
2871 }
2872 
2873 static void
2874 urtw_next_scan(void *arg)
2875 {
2876 	ieee80211com_t *ic = arg;
2877 	struct urtw_softc *sc = (struct urtw_softc *)arg;
2878 
2879 	if (URTW_IS_NOT_RUNNING(sc)) {
2880 		sc->sc_scan_id = 0;
2881 		return;
2882 	}
2883 
2884 	if (ic->ic_state == IEEE80211_S_SCAN) {
2885 		(void) ieee80211_next_scan(ic);
2886 	}
2887 	sc->sc_scan_id = 0;
2888 }
2889 
2890 static void
2891 urtw_led_launch(void *arg)
2892 {
2893 	struct urtw_softc *sc = arg;
2894 	ieee80211com_t *ic = &sc->sc_ic;
2895 	int error = 0;
2896 
2897 	URTW_LEDLOCK(sc);
2898 	if ((sc->sc_strategy != URTW_SW_LED_MODE0) ||
2899 	    URTW_IS_NOT_RUNNING(sc) ||
2900 	    URTW_IS_SUSPENDING(sc)) {
2901 		URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
2902 		    "failed process LED strategy 0x%x, run?%d",
2903 		    sc->sc_strategy,
2904 		    sc->sc_flags));
2905 		sc->sc_led_ch = 0;
2906 		sc->sc_gpio_ledinprogress = 0;
2907 		URTW_LEDUNLOCK(sc);
2908 		return;
2909 	}
2910 	error = urtw_led_blink(sc);
2911 	if (error) {
2912 		sc->sc_led_ch = timeout(urtw_led_launch, (void *)sc,
2913 		    drv_usectohz((ic->ic_state == IEEE80211_S_RUN) ?
2914 		    URTW_LED_LINKON_BLINK: URTW_LED_LINKOFF_BLINK));
2915 		URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
2916 		    "try again led launch"));
2917 	} else {
2918 		sc->sc_led_ch = 0;
2919 		URTW8187_DBG(URTW_DEBUG_LED, (sc->sc_dev, CE_CONT,
2920 		    "exit led launch"));
2921 	}
2922 	URTW_LEDUNLOCK(sc);
2923 }
2924 
2925 static int
2926 urtw_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
2927 {
2928 	struct urtw_softc *sc = (struct urtw_softc *)ic;
2929 	struct ieee80211_node *ni;
2930 	int error = 0;
2931 
2932 	if (sc->sc_scan_id != 0) {
2933 		(void) untimeout(sc->sc_scan_id);
2934 		sc->sc_scan_id = 0;
2935 	}
2936 	URTW_LOCK(sc);
2937 	switch (nstate) {
2938 	case IEEE80211_S_INIT:
2939 		URTW8187_DBG(URTW_DEBUG_STATE,
2940 		    (sc->sc_dev, CE_CONT, "-> IEEE80211_S_INIT...arg(%d)\n",
2941 		    arg));
2942 		(void) urtw_update_msr(sc, nstate);
2943 		(void) urtw_led_off(sc, URTW_LED_GPIO);
2944 		break;
2945 
2946 	case IEEE80211_S_SCAN:
2947 		URTW8187_DBG(URTW_DEBUG_STATE,
2948 		    (sc->sc_dev, CE_CONT,
2949 		    "-> IEEE80211_S_SCAN...arg(%d)...[%d]\n",
2950 		    arg, ieee80211_chan2ieee(ic, ic->ic_curchan)));
2951 		error = urtw_set_channel(sc);
2952 		if (error) {
2953 			URTW8187_DBG(URTW_DEBUG_STATE,
2954 			    (sc->sc_dev, CE_CONT, "scan setchan failed"));
2955 			break;
2956 		}
2957 		sc->sc_scan_id = timeout(urtw_next_scan, (void *)sc,
2958 		    drv_usectohz(sc->dwelltime * 1000));
2959 		break;
2960 
2961 	case IEEE80211_S_AUTH:
2962 		URTW8187_DBG(URTW_DEBUG_STATE, (sc->sc_dev, CE_CONT,
2963 		    "-> IEEE80211_S_AUTH ...arg(%d)\n", arg));
2964 		error = urtw_set_channel(sc);
2965 		if (error) {
2966 			URTW8187_DBG(URTW_DEBUG_STATE,
2967 			    (sc->sc_dev,  CE_CONT, "auth setchan failed"));
2968 		}
2969 		break;
2970 
2971 	case IEEE80211_S_ASSOC:
2972 		URTW8187_DBG(URTW_DEBUG_STATE, (sc->sc_dev, CE_CONT,
2973 		    "-> IEEE80211_S_ASSOC ...arg(%d)\n", arg));
2974 		error = urtw_set_channel(sc);
2975 		if (error) {
2976 			URTW8187_DBG(URTW_DEBUG_STATE,
2977 			    (sc->sc_dev, CE_CONT, "assoc setchan failed"));
2978 		}
2979 		break;
2980 
2981 	case IEEE80211_S_RUN:
2982 		URTW8187_DBG(URTW_DEBUG_STATE,
2983 		    (sc->sc_dev, CE_CONT, "-> IEEE80211_S_RUN ...arg(%d)\n",
2984 		    arg));
2985 		error = urtw_set_channel(sc);
2986 		if (error) {
2987 			URTW8187_DBG(URTW_DEBUG_STATE,
2988 			    (sc->sc_dev, CE_CONT, "run setchan failed"));
2989 			goto fail;
2990 		}
2991 		ni = ic->ic_bss;
2992 		/* setting bssid.  */
2993 		(void) urtw_write32_c(sc, URTW_BSSID,
2994 		    ((uint32_t *)(uintptr_t)ni->in_bssid)[0]);
2995 		(void) urtw_write16_c(sc, URTW_BSSID + 4,
2996 		    ((uint16_t *)(uintptr_t)ni->in_bssid)[2]);
2997 		(void) urtw_update_msr(sc, nstate);
2998 
2999 		ni->in_txrate = ni->in_rates.ir_nrates - 1;
3000 		break;
3001 	}
3002 fail:
3003 	URTW_UNLOCK(sc);
3004 
3005 	if (error)
3006 		return (EIO);
3007 	error = sc->sc_newstate(ic, nstate, arg);
3008 	return (error);
3009 }
3010 
3011 static void
3012 urtw_close_pipes(struct urtw_softc *sc)
3013 {
3014 	usb_flags_t flags = USB_FLAGS_SLEEP;
3015 
3016 	if (sc->sc_rxpipe != NULL) {
3017 		usb_pipe_reset(sc->sc_dev,
3018 		    sc->sc_rxpipe, flags, NULL, 0);
3019 		usb_pipe_close(sc->sc_dev,
3020 		    sc->sc_rxpipe, flags, NULL, 0);
3021 		sc->sc_rxpipe = NULL;
3022 	}
3023 
3024 	if (sc->sc_txpipe_low != NULL) {
3025 		usb_pipe_reset(sc->sc_dev,
3026 		    sc->sc_txpipe_low, flags, NULL, 0);
3027 		usb_pipe_close(sc->sc_dev,
3028 		    sc->sc_txpipe_low, flags, NULL, 0);
3029 		sc->sc_txpipe_low = NULL;
3030 	}
3031 
3032 	if (sc->sc_txpipe_normal != NULL) {
3033 		usb_pipe_reset(sc->sc_dev,
3034 		    sc->sc_txpipe_normal, flags, NULL, 0);
3035 		usb_pipe_close(sc->sc_dev,
3036 		    sc->sc_txpipe_normal, flags, NULL, 0);
3037 		sc->sc_txpipe_normal = NULL;
3038 	}
3039 }
3040 
3041 static int
3042 urtw_open_pipes(struct urtw_softc *sc)
3043 {
3044 	usb_ep_data_t *ep_node;
3045 	usb_pipe_policy_t policy;
3046 	int err;
3047 
3048 	if (sc->sc_rxpipe || sc->sc_txpipe_low || sc->sc_txpipe_normal)
3049 		return (USB_SUCCESS);
3050 
3051 	ep_node = usb_lookup_ep_data(sc->sc_dev, sc->sc_udev, 0, 0,
3052 	    LOW_PRIORITY_PIPE, USB_EP_ATTR_BULK, USB_EP_DIR_OUT);
3053 
3054 	bzero(&policy, sizeof (usb_pipe_policy_t));
3055 	policy.pp_max_async_reqs = URTW_TX_DATA_LIST_COUNT;
3056 
3057 	if ((err = usb_pipe_open(sc->sc_dev,
3058 	    &ep_node->ep_descr, &policy, USB_FLAGS_SLEEP,
3059 	    &sc->sc_txpipe_low)) != USB_SUCCESS) {
3060 		URTW8187_DBG(URTW_DEBUG_ACTIVE, (sc->sc_dev, CE_CONT,
3061 		    "urtw_open_pipes(): %x low priority pipe open failed\n",
3062 		    err));
3063 		goto fail;
3064 	}
3065 
3066 	ep_node = usb_lookup_ep_data(sc->sc_dev, sc->sc_udev, 0, 0,
3067 	    NORMAL_PRIORITY_PIPE, USB_EP_ATTR_BULK, USB_EP_DIR_OUT);
3068 
3069 	bzero(&policy, sizeof (usb_pipe_policy_t));
3070 	policy.pp_max_async_reqs = URTW_TX_DATA_LIST_COUNT;
3071 
3072 	if ((err = usb_pipe_open(sc->sc_dev,
3073 	    &ep_node->ep_descr, &policy, USB_FLAGS_SLEEP,
3074 	    &sc->sc_txpipe_normal)) != USB_SUCCESS) {
3075 		URTW8187_DBG(URTW_DEBUG_ACTIVE, (sc->sc_dev, CE_CONT,
3076 		    "urtw_open_pipes(): %x failed to open high tx pipe\n",
3077 		    err));
3078 		goto fail;
3079 	}
3080 
3081 	ep_node = usb_lookup_ep_data(sc->sc_dev, sc->sc_udev, 0, 0, 0,
3082 	    USB_EP_ATTR_BULK, USB_EP_DIR_IN);
3083 
3084 	bzero(&policy, sizeof (usb_pipe_policy_t));
3085 	policy.pp_max_async_reqs = URTW_RX_DATA_LIST_COUNT;
3086 
3087 	if ((err = usb_pipe_open(sc->sc_dev,
3088 	    &ep_node->ep_descr, &policy, USB_FLAGS_SLEEP,
3089 	    &sc->sc_rxpipe)) != USB_SUCCESS) {
3090 		URTW8187_DBG(URTW_DEBUG_ACTIVE, (sc->sc_dev, CE_CONT,
3091 		    "urtw_open_pipes(): %x failed to open rx pipe\n", err));
3092 		goto fail;
3093 	}
3094 
3095 	return (USB_SUCCESS);
3096 
3097 fail:
3098 	urtw_close_pipes(sc);
3099 	return (USB_FAILURE);
3100 }
3101 
3102 static int
3103 urtw_tx_start(struct urtw_softc *sc, mblk_t *mp, int priority)
3104 {
3105 	usb_bulk_req_t *req;
3106 	int err;
3107 
3108 	req = usb_alloc_bulk_req(sc->sc_dev, 0, USB_FLAGS_SLEEP);
3109 	if (req == NULL) {
3110 		URTW8187_DBG(URTW_DEBUG_TX_PROC, (sc->sc_dev, CE_CONT,
3111 		    "urtw_tx_start(): failed to allocate req"));
3112 		freemsg(mp);
3113 		return (-1);
3114 	}
3115 
3116 	req->bulk_len = MBLKL(mp);
3117 	req->bulk_data = mp;
3118 	req->bulk_client_private = (usb_opaque_t)sc;
3119 	req->bulk_timeout = URTW_TX_TIMEOUT;
3120 	req->bulk_attributes = USB_ATTRS_AUTOCLEARING;
3121 	req->bulk_cb = (priority)?urtw_txeof_normal : urtw_txeof_low;
3122 	req->bulk_exc_cb = (priority)?urtw_txeof_normal: urtw_txeof_low;
3123 	req->bulk_completion_reason = 0;
3124 	req->bulk_cb_flags = 0;
3125 
3126 	if ((err = usb_pipe_bulk_xfer(
3127 	    (priority)?sc->sc_txpipe_normal:sc->sc_txpipe_low, req, 0))
3128 	    != USB_SUCCESS) {
3129 		sc->sc_ic.ic_stats.is_tx_failed++;
3130 		URTW8187_DBG(URTW_DEBUG_TX_PROC, (sc->sc_dev, CE_CONT,
3131 		    "urtw_tx_start: failed to do tx xfer, %d", err));
3132 		usb_free_bulk_req(req);
3133 		return (EIO);
3134 	}
3135 
3136 	if (priority) {
3137 		sc->sc_tx_normal_queued++;
3138 	} else {
3139 		sc->sc_tx_low_queued++;
3140 	}
3141 
3142 	return (0);
3143 }
3144 
3145 static int
3146 urtw_rx_start(struct urtw_softc *sc)
3147 {
3148 	usb_bulk_req_t *req;
3149 	int err;
3150 
3151 	req = usb_alloc_bulk_req(sc->sc_dev, URTW_RXBUF_SIZE, USB_FLAGS_SLEEP);
3152 	if (req == NULL) {
3153 		URTW8187_DBG(URTW_DEBUG_RECV, (sc->sc_dev, CE_CONT,
3154 		    "urtw_rx_start(): failed to allocate req"));
3155 		return (-1);
3156 	}
3157 
3158 	req->bulk_len		= URTW_RXBUF_SIZE;
3159 	req->bulk_client_private = (usb_opaque_t)sc;
3160 	req->bulk_timeout	= 0;
3161 	req->bulk_attributes	= USB_ATTRS_SHORT_XFER_OK |
3162 	    USB_ATTRS_AUTOCLEARING;
3163 	req->bulk_cb		= urtw_rxeof;
3164 	req->bulk_exc_cb	= urtw_rxeof;
3165 	req->bulk_completion_reason = 0;
3166 	req->bulk_cb_flags	= 0;
3167 
3168 	err = usb_pipe_bulk_xfer(sc->sc_rxpipe, req, 0);
3169 
3170 	if (err != USB_SUCCESS) {
3171 		URTW8187_DBG(URTW_DEBUG_RECV, (sc->sc_dev, CE_CONT,
3172 		    "urtw_rx_start: failed to do rx xfer, %d", err));
3173 		usb_free_bulk_req(req);
3174 		return (-1);
3175 	}
3176 
3177 	mutex_enter(&sc->rx_lock);
3178 	sc->rx_queued++;
3179 	mutex_exit(&sc->rx_lock);
3180 
3181 	return (0);
3182 }
3183 
3184 static int
3185 urtw_disconnect(dev_info_t *devinfo)
3186 {
3187 	struct urtw_softc *sc;
3188 
3189 	sc = ddi_get_soft_state(urtw_soft_state_p, ddi_get_instance(devinfo));
3190 	URTW8187_DBG(URTW_DEBUG_HOTPLUG,
3191 	    (sc->sc_dev, CE_CONT, "urtw_offline()\n"));
3192 
3193 	ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
3194 	ieee80211_stop_watchdog(&sc->sc_ic);
3195 	if (URTW_IS_RUNNING(sc)) {
3196 		urtw_stop(sc);
3197 		URTW_LOCK(sc);
3198 		sc->sc_flags |= URTW_FLAG_PLUGIN_ONLINE;
3199 		URTW_UNLOCK(sc);
3200 	}
3201 	return (DDI_SUCCESS);
3202 }
3203 
3204 static int
3205 urtw_reconnect(dev_info_t *devinfo)
3206 {
3207 	struct urtw_softc *sc;
3208 	int error = 0;
3209 	sc = ddi_get_soft_state(urtw_soft_state_p, ddi_get_instance(devinfo));
3210 	if (usb_check_same_device(sc->sc_dev, NULL, USB_LOG_L2, -1,
3211 	    USB_CHK_ALL, NULL) != USB_SUCCESS)
3212 		return (DDI_FAILURE);
3213 	URTW8187_DBG(URTW_DEBUG_HOTPLUG, (sc->sc_dev, CE_CONT,
3214 	    "urtw_online()\n"));
3215 	if (URTW_IS_PLUGIN_ONLINE(sc)) {
3216 		error = urtw_init(sc);
3217 		if (!error) {
3218 			URTW_LOCK(sc);
3219 			sc->sc_flags &= ~URTW_FLAG_PLUGIN_ONLINE;
3220 			URTW_UNLOCK(sc);
3221 		}
3222 	}
3223 	return (error);
3224 }
3225 
3226 static mblk_t *
3227 urtw_m_tx(void *arg, mblk_t *mp)
3228 {
3229 	struct urtw_softc *sc = (struct urtw_softc *)arg;
3230 	struct ieee80211com *ic = &sc->sc_ic;
3231 	mblk_t *next;
3232 
3233 	if ((ic->ic_state != IEEE80211_S_RUN) ||
3234 	    URTW_IS_SUSPENDING(sc)) {
3235 		freemsgchain(mp);
3236 		return (NULL);
3237 	}
3238 
3239 	while (mp != NULL) {
3240 		next = mp->b_next;
3241 		mp->b_next = NULL;
3242 		if (urtw_send(ic, mp, IEEE80211_FC0_TYPE_DATA) != DDI_SUCCESS) {
3243 			mp->b_next = next;
3244 			break;
3245 		}
3246 		mp = next;
3247 	}
3248 	return (mp);
3249 }
3250 
3251 static int
3252 urtw_m_start(void *arg)
3253 {
3254 	struct urtw_softc *sc = (struct urtw_softc *)arg;
3255 	int error = 0;
3256 
3257 	URTW8187_DBG(URTW_DEBUG_ACTIVE,
3258 	    (sc->sc_dev, CE_CONT, "urtw_m_start)\n"));
3259 	error = urtw_init(sc);
3260 	return (error);
3261 }
3262 
3263 static void
3264 urtw_m_stop(void *arg)
3265 {
3266 	struct urtw_softc *sc = (struct urtw_softc *)arg;
3267 
3268 	URTW8187_DBG(URTW_DEBUG_ACTIVE, (sc->sc_dev, CE_CONT,
3269 	    "urtw_m_stop()\n"));
3270 	ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
3271 	ieee80211_stop_watchdog(&sc->sc_ic);
3272 	(void) urtw_stop(sc);
3273 }
3274 
3275 /*ARGSUSED*/
3276 static int
3277 urtw_m_unicst(void *arg, const uint8_t *macaddr)
3278 {
3279 	return (ENOTSUP);
3280 }
3281 
3282 /*ARGSUSED*/
3283 static int
3284 urtw_m_multicst(void *arg, boolean_t add, const uint8_t *macaddr)
3285 {
3286 	return (ENOTSUP);
3287 }
3288 
3289 /*ARGSUSED*/
3290 static int
3291 urtw_m_promisc(void *arg, boolean_t on)
3292 {
3293 	return (0);
3294 }
3295 
3296 static int
3297 urtw_m_setprop(void *arg, const char *pr_name, mac_prop_id_t wldp_pr_num,
3298     uint_t wldp_length, const void *wldp_buf)
3299 {
3300 	struct urtw_softc *sc = (struct urtw_softc *)arg;
3301 	struct ieee80211com *ic = &sc->sc_ic;
3302 	int err;
3303 
3304 	err = ieee80211_setprop(ic, pr_name, wldp_pr_num,
3305 	    wldp_length, wldp_buf);
3306 	if (err == ENETRESET) {
3307 		if (ic->ic_des_esslen && URTW_IS_RUNNING(sc)) {
3308 			(void) urtw_init(sc);
3309 			(void) ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
3310 		}
3311 		err = 0;
3312 	}
3313 	return (err);
3314 }
3315 
3316 static void
3317 urtw_m_ioctl(void* arg, queue_t *wq, mblk_t *mp)
3318 {
3319 	struct urtw_softc *sc = (struct urtw_softc *)arg;
3320 	struct ieee80211com *ic = &sc->sc_ic;
3321 	int err;
3322 
3323 	err = ieee80211_ioctl(ic, wq, mp);
3324 	if (err == ENETRESET) {
3325 		if (ic->ic_des_esslen && URTW_IS_RUNNING(sc)) {
3326 			(void) urtw_init(sc);
3327 			(void) ieee80211_new_state(ic,
3328 			    IEEE80211_S_SCAN, -1);
3329 		}
3330 	}
3331 }
3332 
3333 static int
3334 urtw_m_stat(void *arg, uint_t stat, uint64_t *val)
3335 {
3336 	struct urtw_softc *sc  = (struct urtw_softc *)arg;
3337 	ieee80211com_t	*ic = &sc->sc_ic;
3338 	ieee80211_node_t *ni = 0;
3339 	struct ieee80211_rateset *rs = 0;
3340 
3341 	URTW_LOCK(sc);
3342 	switch (stat) {
3343 	case MAC_STAT_IFSPEED:
3344 		ni = ic->ic_bss;
3345 		rs = &ni->in_rates;
3346 		*val = ((ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) ?
3347 		    (rs->ir_rates[ni->in_txrate] & IEEE80211_RATE_VAL)
3348 		    : ic->ic_fixed_rate) / 2 * 1000000;
3349 		break;
3350 	case MAC_STAT_NOXMTBUF:
3351 		*val = sc->sc_tx_nobuf;
3352 		break;
3353 	case MAC_STAT_NORCVBUF:
3354 		*val = sc->sc_rx_nobuf;
3355 		break;
3356 	case MAC_STAT_IERRORS:
3357 		*val = sc->sc_rx_err;
3358 		break;
3359 	case MAC_STAT_RBYTES:
3360 		*val = ic->ic_stats.is_rx_bytes;
3361 		break;
3362 	case MAC_STAT_IPACKETS:
3363 		*val = ic->ic_stats.is_rx_frags;
3364 		break;
3365 	case MAC_STAT_OBYTES:
3366 		*val = ic->ic_stats.is_tx_bytes;
3367 		break;
3368 	case MAC_STAT_OPACKETS:
3369 		*val = ic->ic_stats.is_tx_frags;
3370 		break;
3371 	case MAC_STAT_OERRORS:
3372 		*val = ic->ic_stats.is_tx_failed;
3373 		break;
3374 	case WIFI_STAT_TX_FRAGS:
3375 	case WIFI_STAT_MCAST_TX:
3376 	case WIFI_STAT_TX_FAILED:
3377 	case WIFI_STAT_TX_RETRANS:
3378 	case WIFI_STAT_RTS_SUCCESS:
3379 	case WIFI_STAT_RTS_FAILURE:
3380 	case WIFI_STAT_ACK_FAILURE:
3381 	case WIFI_STAT_RX_FRAGS:
3382 	case WIFI_STAT_MCAST_RX:
3383 	case WIFI_STAT_FCS_ERRORS:
3384 	case WIFI_STAT_WEP_ERRORS:
3385 	case WIFI_STAT_RX_DUPS:
3386 		URTW_UNLOCK(sc);
3387 		return (ieee80211_stat(ic, stat, val));
3388 	default:
3389 		URTW_UNLOCK(sc);
3390 		return (ENOTSUP);
3391 	}
3392 	URTW_UNLOCK(sc);
3393 
3394 	return (0);
3395 }
3396 
3397 static void
3398 urtw_watchdog(void *arg)
3399 {
3400 	struct urtw_softc *sc = arg;
3401 	struct ieee80211com *ic = &sc->sc_ic;
3402 
3403 	ieee80211_stop_watchdog(ic);
3404 
3405 	URTW_LOCK(sc);
3406 	if (URTW_IS_NOT_RUNNING(sc)) {
3407 		URTW_UNLOCK(sc);
3408 		return;
3409 	}
3410 
3411 	URTW_UNLOCK(sc);
3412 	switch (ic->ic_state) {
3413 		case IEEE80211_S_AUTH:
3414 		case IEEE80211_S_ASSOC:
3415 			if (ic->ic_bss->in_fails > 0)
3416 				ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
3417 			else
3418 				ieee80211_watchdog(ic);
3419 			break;
3420 	}
3421 }
3422 
3423 
3424 static int
3425 urtw_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd)
3426 {
3427 	struct urtw_softc *sc;
3428 	struct ieee80211com *ic;
3429 	int error, i, instance;
3430 	uint32_t data = 0;
3431 	char strbuf[32];
3432 	wifi_data_t wd = { 0 };
3433 	mac_register_t *macp;
3434 
3435 	switch (cmd) {
3436 	case DDI_ATTACH:
3437 		break;
3438 	case DDI_RESUME:
3439 		sc = ddi_get_soft_state(urtw_soft_state_p,
3440 		    ddi_get_instance(devinfo));
3441 		ASSERT(sc != NULL);
3442 		URTW8187_DBG(URTW_DEBUG_ACTIVE,
3443 		    (sc->sc_dev, CE_CONT, "urtw: resume\n"));
3444 		URTW_LOCK(sc);
3445 		sc->sc_flags &= ~URTW_FLAG_SUSPEND;
3446 		URTW_UNLOCK(sc);
3447 		if (URTW_IS_PLUGIN_ONLINE(sc)) {
3448 			error = urtw_init(sc);
3449 			if (error == 0) {
3450 				URTW_LOCK(sc);
3451 				sc->sc_flags &= ~URTW_FLAG_PLUGIN_ONLINE;
3452 				URTW_UNLOCK(sc);
3453 			}
3454 		}
3455 		return (DDI_SUCCESS);
3456 	default:
3457 		return (DDI_FAILURE);
3458 	}
3459 
3460 	instance = ddi_get_instance(devinfo);
3461 
3462 	if (ddi_soft_state_zalloc(urtw_soft_state_p, instance) != DDI_SUCCESS) {
3463 		cmn_err(CE_WARN, "urtw_attach:unable to alloc soft_state_p\n");
3464 		return (DDI_FAILURE);
3465 	}
3466 
3467 	sc = ddi_get_soft_state(urtw_soft_state_p, instance);
3468 	ic = (ieee80211com_t *)&sc->sc_ic;
3469 	sc->sc_dev = devinfo;
3470 
3471 	if (usb_client_attach(devinfo, USBDRV_VERSION, 0) != USB_SUCCESS) {
3472 		cmn_err(CE_WARN, "urtw_attach: usb_client_attach failed\n");
3473 		goto fail1;
3474 	}
3475 
3476 	if (usb_get_dev_data(devinfo, &sc->sc_udev,
3477 	    USB_PARSE_LVL_ALL, 0) != USB_SUCCESS) {
3478 		sc->sc_udev = NULL;
3479 		goto fail2;
3480 	}
3481 
3482 	mutex_init(&sc->sc_genlock, NULL, MUTEX_DRIVER, NULL);
3483 	mutex_init(&sc->tx_lock, NULL, MUTEX_DRIVER, NULL);
3484 	mutex_init(&sc->rx_lock, NULL, MUTEX_DRIVER, NULL);
3485 	mutex_init(&sc->sc_ledlock, NULL, MUTEX_DRIVER, NULL);
3486 
3487 	if (urtw_read32_c(sc, URTW_RX, &data))
3488 		goto fail3;
3489 	sc->sc_epromtype = (data & URTW_RX_9356SEL) ? URTW_EEPROM_93C56 :
3490 	    URTW_EEPROM_93C46;
3491 	if (sc->sc_epromtype == URTW_EEPROM_93C56)
3492 		URTW8187_DBG(URTW_DEBUG_HWTYPE, (sc->sc_dev, CE_CONT,
3493 		    "urtw_attach: eprom is 93C56\n"));
3494 	else
3495 		URTW8187_DBG(URTW_DEBUG_HWTYPE, (sc->sc_dev, CE_CONT,
3496 		    "urtw_attach: eprom is 93C46\n"));
3497 	error = urtw_get_rfchip(sc);
3498 	if (error != 0)
3499 		goto fail3;
3500 	error = urtw_get_macaddr(sc);
3501 	if (error != 0)
3502 		goto fail3;
3503 	error = urtw_get_txpwr(sc);
3504 	if (error != 0)
3505 		goto fail3;
3506 	error = urtw_led_init(sc);		/* XXX incompleted  */
3507 	if (error != 0)
3508 		goto fail3;
3509 
3510 	sc->sc_rts_retry = URTW_DEFAULT_RTS_RETRY;
3511 	sc->sc_tx_retry = URTW_DEFAULT_TX_RETRY;
3512 	sc->sc_currate = 3;
3513 	/* XXX for what?  */
3514 	sc->sc_preamble_mode = 2;
3515 
3516 	ic->ic_phytype = IEEE80211_T_OFDM;	/* not only, but not used */
3517 	ic->ic_opmode = IEEE80211_M_STA;	/* default to BSS mode */
3518 	ic->ic_state = IEEE80211_S_INIT;
3519 
3520 	ic->ic_maxrssi = 95;
3521 	ic->ic_xmit = urtw_send;
3522 
3523 	ic->ic_caps |= IEEE80211_C_WPA | /* Support WPA/WPA2 */
3524 	    IEEE80211_C_TXPMGT |	/* tx power management */
3525 	    IEEE80211_C_SHPREAMBLE |	/* short preamble supported */
3526 	    IEEE80211_C_SHSLOT;	/* short slot time supported */
3527 	/* set supported .11b and .11g rates */
3528 	ic->ic_sup_rates[IEEE80211_MODE_11B] = urtw_rateset_11b;
3529 	ic->ic_sup_rates[IEEE80211_MODE_11G] = urtw_rateset_11g;
3530 
3531 	/* set supported .11b and .11g channels (1 through 11) */
3532 	for (i = 1; i <= 11; i++) {
3533 		ic->ic_sup_channels[i].ich_freq =
3534 		    ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
3535 		ic->ic_sup_channels[i].ich_flags =
3536 		    IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN |
3537 		    IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM;
3538 	}
3539 
3540 	ieee80211_attach(ic);
3541 
3542 	/* register WPA door */
3543 	ieee80211_register_door(ic, ddi_driver_name(devinfo),
3544 	    ddi_get_instance(devinfo));
3545 
3546 	/* override state transition machine */
3547 	sc->sc_newstate = ic->ic_newstate;
3548 	ic->ic_newstate = urtw_newstate;
3549 	ic->ic_watchdog = urtw_watchdog;
3550 	ieee80211_media_init(ic);
3551 	ic->ic_def_txkey = 0;
3552 
3553 	sc->dwelltime = 400;
3554 	sc->sc_flags = 0;
3555 
3556 	/*
3557 	 * Provide initial settings for the WiFi plugin; whenever this
3558 	 * information changes, we need to call mac_plugindata_update()
3559 	 */
3560 	wd.wd_opmode = ic->ic_opmode;
3561 	wd.wd_secalloc = WIFI_SEC_NONE;
3562 	IEEE80211_ADDR_COPY(wd.wd_bssid, ic->ic_bss->in_bssid);
3563 
3564 	if ((macp = mac_alloc(MAC_VERSION)) == NULL) {
3565 		URTW8187_DBG(URTW_DEBUG_ATTACH, (sc->sc_dev, CE_CONT,
3566 		    "MAC version alloc failed\n"));
3567 		goto fail4;
3568 	}
3569 
3570 	macp->m_type_ident = MAC_PLUGIN_IDENT_WIFI;
3571 	macp->m_driver = sc;
3572 	macp->m_dip = devinfo;
3573 	macp->m_src_addr = ic->ic_macaddr;
3574 	macp->m_callbacks = &urtw_m_callbacks;
3575 	macp->m_min_sdu	= 0;
3576 	macp->m_max_sdu	= IEEE80211_MTU;
3577 	macp->m_pdata = &wd;
3578 	macp->m_pdata_size = sizeof (wd);
3579 
3580 	error = mac_register(macp, &ic->ic_mach);
3581 	mac_free(macp);
3582 	if (error != 0) {
3583 		cmn_err(CE_WARN, "urtw_attach: mac_register() err %x\n", error);
3584 		goto fail4;
3585 	}
3586 
3587 	if (usb_register_hotplug_cbs(devinfo, urtw_disconnect,
3588 	    urtw_reconnect) != USB_SUCCESS) {
3589 		cmn_err(CE_WARN, "urtw_attach: failed to register events");
3590 		goto fail5;
3591 	}
3592 
3593 	/*
3594 	 * Create minor node of type DDI_NT_NET_WIFI
3595 	 */
3596 	(void) snprintf(strbuf, sizeof (strbuf), "%s%d",
3597 	    "urtw", instance);
3598 	error = ddi_create_minor_node(devinfo, strbuf, S_IFCHR,
3599 	    instance + 1, DDI_NT_NET_WIFI, 0);
3600 
3601 	if (error != DDI_SUCCESS)
3602 		cmn_err(CE_WARN, "urtw: ddi_create_minor_node() failed\n");
3603 
3604 	/*
3605 	 * Notify link is down now
3606 	 */
3607 	mac_link_update(ic->ic_mach, LINK_STATE_DOWN);
3608 
3609 	URTW8187_DBG(URTW_DEBUG_ATTACH, (sc->sc_dev, CE_CONT,
3610 	    "urtw_attach: successfully.\n"));
3611 	return (DDI_SUCCESS);
3612 fail5:
3613 	(void) mac_unregister(ic->ic_mach);
3614 fail4:
3615 	ieee80211_detach(ic);
3616 fail3:
3617 	mutex_destroy(&sc->sc_genlock);
3618 	mutex_destroy(&sc->tx_lock);
3619 	mutex_destroy(&sc->rx_lock);
3620 	mutex_destroy(&sc->sc_ledlock);
3621 fail2:
3622 	usb_client_detach(sc->sc_dev, sc->sc_udev);
3623 fail1:
3624 	ddi_soft_state_free(urtw_soft_state_p, ddi_get_instance(devinfo));
3625 
3626 	return (DDI_FAILURE);
3627 }
3628 
3629 static int
3630 urtw_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd)
3631 {
3632 	struct urtw_softc *sc;
3633 
3634 	sc = ddi_get_soft_state(urtw_soft_state_p, ddi_get_instance(devinfo));
3635 	URTW8187_DBG(URTW_DEBUG_ATTACH, (sc->sc_dev,
3636 	    CE_CONT, "urtw_detach()\n"));
3637 
3638 	switch (cmd) {
3639 	case DDI_DETACH:
3640 		break;
3641 	case DDI_SUSPEND:
3642 		URTW8187_DBG(URTW_DEBUG_ATTACH,
3643 		    (sc->sc_dev, CE_CONT, "urtw: suspend\n"));
3644 
3645 		ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
3646 		ieee80211_stop_watchdog(&sc->sc_ic);
3647 
3648 		URTW_LOCK(sc);
3649 		sc->sc_flags |= URTW_FLAG_SUSPEND;
3650 		URTW_UNLOCK(sc);
3651 		if (URTW_IS_RUNNING(sc)) {
3652 			urtw_stop(sc);
3653 			URTW_LOCK(sc);
3654 			sc->sc_flags |= URTW_FLAG_PLUGIN_ONLINE;
3655 			URTW_UNLOCK(sc);
3656 		}
3657 		return (DDI_SUCCESS);
3658 	default:
3659 		return (DDI_FAILURE);
3660 	}
3661 
3662 	if (mac_disable(sc->sc_ic.ic_mach) != 0)
3663 		return (DDI_FAILURE);
3664 	urtw_stop(sc);
3665 	/*
3666 	 * Unregister from the MAC layer subsystem
3667 	 */
3668 	(void) mac_unregister(sc->sc_ic.ic_mach);
3669 
3670 	ieee80211_detach(&sc->sc_ic);
3671 	usb_unregister_hotplug_cbs(devinfo);
3672 	usb_client_detach(devinfo, sc->sc_udev);
3673 	mutex_destroy(&sc->sc_genlock);
3674 	mutex_destroy(&sc->tx_lock);
3675 	mutex_destroy(&sc->rx_lock);
3676 	mutex_destroy(&sc->sc_ledlock);
3677 	sc->sc_udev = NULL;
3678 
3679 	ddi_remove_minor_node(devinfo, NULL);
3680 	ddi_soft_state_free(urtw_soft_state_p, ddi_get_instance(devinfo));
3681 
3682 	return (DDI_SUCCESS);
3683 }
3684 
3685 int
3686 _info(struct modinfo *modinfop)
3687 {
3688 	return (mod_info(&modlinkage, modinfop));
3689 }
3690 
3691 int
3692 _init(void)
3693 {
3694 	int status;
3695 
3696 	status = ddi_soft_state_init(&urtw_soft_state_p,
3697 	    sizeof (struct urtw_softc), 1);
3698 	if (status != 0)
3699 		return (status);
3700 
3701 	mac_init_ops(&urtw_dev_ops, "urtw");
3702 	status = mod_install(&modlinkage);
3703 	if (status != 0) {
3704 		mac_fini_ops(&urtw_dev_ops);
3705 		ddi_soft_state_fini(&urtw_soft_state_p);
3706 	}
3707 	return (status);
3708 }
3709 
3710 int
3711 _fini(void)
3712 {
3713 	int status;
3714 
3715 	status = mod_remove(&modlinkage);
3716 	if (status == 0) {
3717 		mac_fini_ops(&urtw_dev_ops);
3718 		ddi_soft_state_fini(&urtw_soft_state_p);
3719 	}
3720 	return (status);
3721 }
3722