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1 /*
2  *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
3  *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
4  *  Copyright (C) 2006 Michael Buesch <m@bues.ch>
5  *  Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
6  *  Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
7  *
8  *  This program is free software; you can redistribute  it and/or modify it
9  *  under  the terms of  the GNU General  Public License as published by the
10  *  Free Software Foundation;  either version 2 of the  License, or (at your
11  *  option) any later version.
12  *
13  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
14  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
15  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
16  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
17  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
19  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
21  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  *
24  *  You should have received a copy of the  GNU General Public License along
25  *  with this program; if not, write  to the Free Software Foundation, Inc.,
26  *  675 Mass Ave, Cambridge, MA 02139, USA.
27  */
28 
29 #include <bcm47xx.h>
30 #include <bcm47xx_nvram.h>
31 
create_key(const char * prefix,const char * postfix,const char * name,char * buf,int len)32 static void create_key(const char *prefix, const char *postfix,
33 		       const char *name, char *buf, int len)
34 {
35 	if (prefix && postfix)
36 		snprintf(buf, len, "%s%s%s", prefix, name, postfix);
37 	else if (prefix)
38 		snprintf(buf, len, "%s%s", prefix, name);
39 	else if (postfix)
40 		snprintf(buf, len, "%s%s", name, postfix);
41 	else
42 		snprintf(buf, len, "%s", name);
43 }
44 
get_nvram_var(const char * prefix,const char * postfix,const char * name,char * buf,int len,bool fallback)45 static int get_nvram_var(const char *prefix, const char *postfix,
46 			 const char *name, char *buf, int len, bool fallback)
47 {
48 	char key[40];
49 	int err;
50 
51 	create_key(prefix, postfix, name, key, sizeof(key));
52 
53 	err = bcm47xx_nvram_getenv(key, buf, len);
54 	if (fallback && err == -ENOENT && prefix) {
55 		create_key(NULL, postfix, name, key, sizeof(key));
56 		err = bcm47xx_nvram_getenv(key, buf, len);
57 	}
58 	return err;
59 }
60 
61 #define NVRAM_READ_VAL(type)						\
62 static void nvram_read_ ## type (const char *prefix,			\
63 				 const char *postfix, const char *name, \
64 				 type *val, type allset, bool fallback) \
65 {									\
66 	char buf[100];							\
67 	int err;							\
68 	type var;							\
69 									\
70 	err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf),	\
71 			    fallback);					\
72 	if (err < 0)							\
73 		return;							\
74 	err = kstrto ## type(strim(buf), 0, &var);			\
75 	if (err) {							\
76 		pr_warn("can not parse nvram name %s%s%s with value %s got %i\n",	\
77 			prefix, name, postfix, buf, err);		\
78 		return;							\
79 	}								\
80 	if (allset && var == allset)					\
81 		return;							\
82 	*val = var;							\
83 }
84 
85 NVRAM_READ_VAL(u8)
NVRAM_READ_VAL(s8)86 NVRAM_READ_VAL(s8)
87 NVRAM_READ_VAL(u16)
88 NVRAM_READ_VAL(u32)
89 
90 #undef NVRAM_READ_VAL
91 
92 static void nvram_read_u32_2(const char *prefix, const char *name,
93 			     u16 *val_lo, u16 *val_hi, bool fallback)
94 {
95 	char buf[100];
96 	int err;
97 	u32 val;
98 
99 	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
100 	if (err < 0)
101 		return;
102 	err = kstrtou32(strim(buf), 0, &val);
103 	if (err) {
104 		pr_warn("can not parse nvram name %s%s with value %s got %i\n",
105 			prefix, name, buf, err);
106 		return;
107 	}
108 	*val_lo = (val & 0x0000FFFFU);
109 	*val_hi = (val & 0xFFFF0000U) >> 16;
110 }
111 
nvram_read_leddc(const char * prefix,const char * name,u8 * leddc_on_time,u8 * leddc_off_time,bool fallback)112 static void nvram_read_leddc(const char *prefix, const char *name,
113 			     u8 *leddc_on_time, u8 *leddc_off_time,
114 			     bool fallback)
115 {
116 	char buf[100];
117 	int err;
118 	u32 val;
119 
120 	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
121 	if (err < 0)
122 		return;
123 	err = kstrtou32(strim(buf), 0, &val);
124 	if (err) {
125 		pr_warn("can not parse nvram name %s%s with value %s got %i\n",
126 			prefix, name, buf, err);
127 		return;
128 	}
129 
130 	if (val == 0xffff || val == 0xffffffff)
131 		return;
132 
133 	*leddc_on_time = val & 0xff;
134 	*leddc_off_time = (val >> 16) & 0xff;
135 }
136 
nvram_read_macaddr(const char * prefix,const char * name,u8 (* val)[6],bool fallback)137 static void nvram_read_macaddr(const char *prefix, const char *name,
138 			       u8 (*val)[6], bool fallback)
139 {
140 	char buf[100];
141 	int err;
142 
143 	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
144 	if (err < 0)
145 		return;
146 
147 	bcm47xx_nvram_parse_macaddr(buf, *val);
148 }
149 
nvram_read_alpha2(const char * prefix,const char * name,char (* val)[2],bool fallback)150 static void nvram_read_alpha2(const char *prefix, const char *name,
151 			     char (*val)[2], bool fallback)
152 {
153 	char buf[10];
154 	int err;
155 
156 	err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
157 	if (err < 0)
158 		return;
159 	if (buf[0] == '0')
160 		return;
161 	if (strlen(buf) > 2) {
162 		pr_warn("alpha2 is too long %s\n", buf);
163 		return;
164 	}
165 	memcpy(val, buf, sizeof(val));
166 }
167 
bcm47xx_fill_sprom_r1234589(struct ssb_sprom * sprom,const char * prefix,bool fallback)168 static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
169 					const char *prefix, bool fallback)
170 {
171 	nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback);
172 	nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback);
173 	nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback);
174 	nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff, fallback);
175 	nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0,
176 		      fallback);
177 	nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0,
178 		      fallback);
179 	nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0,
180 		      fallback);
181 	nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0,
182 		      fallback);
183 	nvram_read_alpha2(prefix, "ccode", &sprom->alpha2, fallback);
184 }
185 
bcm47xx_fill_sprom_r12389(struct ssb_sprom * sprom,const char * prefix,bool fallback)186 static void bcm47xx_fill_sprom_r12389(struct ssb_sprom *sprom,
187 				      const char *prefix, bool fallback)
188 {
189 	nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0, fallback);
190 	nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0, fallback);
191 	nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0, fallback);
192 	nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0, fallback);
193 	nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0,
194 		      fallback);
195 	nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0, fallback);
196 	nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0, fallback);
197 	nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0, fallback);
198 	nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0, fallback);
199 	nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0, fallback);
200 }
201 
bcm47xx_fill_sprom_r1(struct ssb_sprom * sprom,const char * prefix,bool fallback)202 static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix,
203 				  bool fallback)
204 {
205 	nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0,
206 		       fallback);
207 	nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0, fallback);
208 }
209 
bcm47xx_fill_sprom_r2389(struct ssb_sprom * sprom,const char * prefix,bool fallback)210 static void bcm47xx_fill_sprom_r2389(struct ssb_sprom *sprom,
211 				     const char *prefix, bool fallback)
212 {
213 	nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0, fallback);
214 	nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0, fallback);
215 	nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0, fallback);
216 	nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0, fallback);
217 	nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0, fallback);
218 	nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0, fallback);
219 	nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0, fallback);
220 	nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0,
221 		      fallback);
222 	nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0,
223 		      fallback);
224 }
225 
bcm47xx_fill_sprom_r389(struct ssb_sprom * sprom,const char * prefix,bool fallback)226 static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix,
227 				    bool fallback)
228 {
229 	nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0, fallback);
230 	nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0,
231 		      fallback);
232 	nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0,
233 		      fallback);
234 	nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0,
235 		      fallback);
236 	nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0, fallback);
237 	nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0,
238 		      fallback);
239 	nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0,
240 		      fallback);
241 	nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0,
242 		      fallback);
243 	nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0, fallback);
244 	nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0, fallback);
245 	nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0, fallback);
246 	nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0, fallback);
247 	nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0, fallback);
248 	nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0, fallback);
249 }
250 
bcm47xx_fill_sprom_r3(struct ssb_sprom * sprom,const char * prefix,bool fallback)251 static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix,
252 				  bool fallback)
253 {
254 	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
255 	nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
256 			 &sprom->leddc_off_time, fallback);
257 }
258 
bcm47xx_fill_sprom_r4589(struct ssb_sprom * sprom,const char * prefix,bool fallback)259 static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom,
260 				     const char *prefix, bool fallback)
261 {
262 	nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
263 	nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0,
264 		      fallback);
265 	nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0,
266 		      fallback);
267 	nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf, fallback);
268 	nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf, fallback);
269 	nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff,
270 		      fallback);
271 	nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
272 			 &sprom->leddc_off_time, fallback);
273 }
274 
bcm47xx_fill_sprom_r458(struct ssb_sprom * sprom,const char * prefix,bool fallback)275 static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix,
276 				    bool fallback)
277 {
278 	nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0, fallback);
279 	nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0, fallback);
280 	nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0, fallback);
281 	nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0,
282 		       fallback);
283 	nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0,
284 		       fallback);
285 	nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0, fallback);
286 	nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0, fallback);
287 	nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0, fallback);
288 	nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0, fallback);
289 	nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0,
290 		       fallback);
291 	nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0,
292 		       fallback);
293 	nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0,
294 		       fallback);
295 	nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0,
296 		       fallback);
297 	nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0,
298 		       fallback);
299 	nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0,
300 		       fallback);
301 	nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0,
302 		       fallback);
303 	nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0,
304 		       fallback);
305 	nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0,
306 		       fallback);
307 	nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0,
308 		       fallback);
309 	nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0,
310 		       fallback);
311 	nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0,
312 		       fallback);
313 	nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0,
314 		       fallback);
315 	nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0,
316 		       fallback);
317 	nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0,
318 		       fallback);
319 	nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0,
320 		       fallback);
321 	nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0,
322 		       fallback);
323 	nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0,
324 		       fallback);
325 	nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0,
326 		       fallback);
327 	nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0,
328 		       fallback);
329 	nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0,
330 		       fallback);
331 	nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0,
332 		       fallback);
333 	nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0,
334 		       fallback);
335 	nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0,
336 		       fallback);
337 	nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0,
338 		       fallback);
339 	nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0,
340 		       fallback);
341 	nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0,
342 		       fallback);
343 	nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0,
344 		       fallback);
345 	nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0,
346 		       fallback);
347 	nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0,
348 		       fallback);
349 	nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0,
350 		       fallback);
351 	nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0,
352 		       fallback);
353 }
354 
bcm47xx_fill_sprom_r45(struct ssb_sprom * sprom,const char * prefix,bool fallback)355 static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix,
356 				   bool fallback)
357 {
358 	nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0,
359 		      fallback);
360 	nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0,
361 		      fallback);
362 	nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0,
363 		      fallback);
364 	nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0,
365 		      fallback);
366 	nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0,
367 		      fallback);
368 	nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0,
369 		      fallback);
370 	nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0,
371 		      fallback);
372 	nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0,
373 		      fallback);
374 	nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0,
375 		      fallback);
376 	nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0,
377 		      fallback);
378 	nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0,
379 		      fallback);
380 	nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0,
381 		      fallback);
382 	nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0,
383 		      fallback);
384 	nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0,
385 		      fallback);
386 	nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0,
387 		      fallback);
388 	nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0,
389 		      fallback);
390 }
391 
bcm47xx_fill_sprom_r89(struct ssb_sprom * sprom,const char * prefix,bool fallback)392 static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix,
393 				   bool fallback)
394 {
395 	nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0,
396 		      fallback);
397 	nvram_read_u8(prefix, NULL, "extpagain2g",
398 		      &sprom->fem.ghz2.extpa_gain, 0, fallback);
399 	nvram_read_u8(prefix, NULL, "pdetrange2g",
400 		      &sprom->fem.ghz2.pdet_range, 0, fallback);
401 	nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0,
402 		      fallback);
403 	nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0,
404 		      fallback);
405 	nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0,
406 		      fallback);
407 	nvram_read_u8(prefix, NULL, "extpagain5g",
408 		      &sprom->fem.ghz5.extpa_gain, 0, fallback);
409 	nvram_read_u8(prefix, NULL, "pdetrange5g",
410 		      &sprom->fem.ghz5.pdet_range, 0, fallback);
411 	nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0,
412 		      fallback);
413 	nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0,
414 		      fallback);
415 	nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0,
416 		      fallback);
417 	nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0,
418 		      fallback);
419 	nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0,
420 		       fallback);
421 	nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0,
422 		      fallback);
423 	nvram_read_u8(prefix, NULL, "tempsense_slope",
424 		      &sprom->tempsense_slope, 0, fallback);
425 	nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0,
426 		       fallback);
427 	nvram_read_u8(prefix, NULL, "tempsense_option",
428 		      &sprom->tempsense_option, 0, fallback);
429 	nvram_read_u8(prefix, NULL, "freqoffset_corr",
430 		      &sprom->freqoffset_corr, 0, fallback);
431 	nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0,
432 		      fallback);
433 	nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0,
434 		      fallback);
435 	nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0, fallback);
436 	nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0, fallback);
437 	nvram_read_u8(prefix, NULL, "phycal_tempdelta",
438 		      &sprom->phycal_tempdelta, 0, fallback);
439 	nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0,
440 		      fallback);
441 	nvram_read_u8(prefix, NULL, "temps_hysteresis",
442 		      &sprom->temps_hysteresis, 0, fallback);
443 	nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0,
444 		      fallback);
445 	nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0,
446 		      fallback);
447 	nvram_read_u8(prefix, NULL, "rxgainerr2ga0",
448 		      &sprom->rxgainerr2ga[0], 0, fallback);
449 	nvram_read_u8(prefix, NULL, "rxgainerr2ga1",
450 		      &sprom->rxgainerr2ga[1], 0, fallback);
451 	nvram_read_u8(prefix, NULL, "rxgainerr2ga2",
452 		      &sprom->rxgainerr2ga[2], 0, fallback);
453 	nvram_read_u8(prefix, NULL, "rxgainerr5gla0",
454 		      &sprom->rxgainerr5gla[0], 0, fallback);
455 	nvram_read_u8(prefix, NULL, "rxgainerr5gla1",
456 		      &sprom->rxgainerr5gla[1], 0, fallback);
457 	nvram_read_u8(prefix, NULL, "rxgainerr5gla2",
458 		      &sprom->rxgainerr5gla[2], 0, fallback);
459 	nvram_read_u8(prefix, NULL, "rxgainerr5gma0",
460 		      &sprom->rxgainerr5gma[0], 0, fallback);
461 	nvram_read_u8(prefix, NULL, "rxgainerr5gma1",
462 		      &sprom->rxgainerr5gma[1], 0, fallback);
463 	nvram_read_u8(prefix, NULL, "rxgainerr5gma2",
464 		      &sprom->rxgainerr5gma[2], 0, fallback);
465 	nvram_read_u8(prefix, NULL, "rxgainerr5gha0",
466 		      &sprom->rxgainerr5gha[0], 0, fallback);
467 	nvram_read_u8(prefix, NULL, "rxgainerr5gha1",
468 		      &sprom->rxgainerr5gha[1], 0, fallback);
469 	nvram_read_u8(prefix, NULL, "rxgainerr5gha2",
470 		      &sprom->rxgainerr5gha[2], 0, fallback);
471 	nvram_read_u8(prefix, NULL, "rxgainerr5gua0",
472 		      &sprom->rxgainerr5gua[0], 0, fallback);
473 	nvram_read_u8(prefix, NULL, "rxgainerr5gua1",
474 		      &sprom->rxgainerr5gua[1], 0, fallback);
475 	nvram_read_u8(prefix, NULL, "rxgainerr5gua2",
476 		      &sprom->rxgainerr5gua[2], 0, fallback);
477 	nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0,
478 		      fallback);
479 	nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0,
480 		      fallback);
481 	nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0,
482 		      fallback);
483 	nvram_read_u8(prefix, NULL, "noiselvl5gla0",
484 		      &sprom->noiselvl5gla[0], 0, fallback);
485 	nvram_read_u8(prefix, NULL, "noiselvl5gla1",
486 		      &sprom->noiselvl5gla[1], 0, fallback);
487 	nvram_read_u8(prefix, NULL, "noiselvl5gla2",
488 		      &sprom->noiselvl5gla[2], 0, fallback);
489 	nvram_read_u8(prefix, NULL, "noiselvl5gma0",
490 		      &sprom->noiselvl5gma[0], 0, fallback);
491 	nvram_read_u8(prefix, NULL, "noiselvl5gma1",
492 		      &sprom->noiselvl5gma[1], 0, fallback);
493 	nvram_read_u8(prefix, NULL, "noiselvl5gma2",
494 		      &sprom->noiselvl5gma[2], 0, fallback);
495 	nvram_read_u8(prefix, NULL, "noiselvl5gha0",
496 		      &sprom->noiselvl5gha[0], 0, fallback);
497 	nvram_read_u8(prefix, NULL, "noiselvl5gha1",
498 		      &sprom->noiselvl5gha[1], 0, fallback);
499 	nvram_read_u8(prefix, NULL, "noiselvl5gha2",
500 		      &sprom->noiselvl5gha[2], 0, fallback);
501 	nvram_read_u8(prefix, NULL, "noiselvl5gua0",
502 		      &sprom->noiselvl5gua[0], 0, fallback);
503 	nvram_read_u8(prefix, NULL, "noiselvl5gua1",
504 		      &sprom->noiselvl5gua[1], 0, fallback);
505 	nvram_read_u8(prefix, NULL, "noiselvl5gua2",
506 		      &sprom->noiselvl5gua[2], 0, fallback);
507 	nvram_read_u8(prefix, NULL, "pcieingress_war",
508 		      &sprom->pcieingress_war, 0, fallback);
509 }
510 
bcm47xx_fill_sprom_r9(struct ssb_sprom * sprom,const char * prefix,bool fallback)511 static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix,
512 				  bool fallback)
513 {
514 	nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0,
515 		       fallback);
516 	nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0,
517 		       fallback);
518 	nvram_read_u32(prefix, NULL, "legofdmbw202gpo",
519 		       &sprom->legofdmbw202gpo, 0, fallback);
520 	nvram_read_u32(prefix, NULL, "legofdmbw20ul2gpo",
521 		       &sprom->legofdmbw20ul2gpo, 0, fallback);
522 	nvram_read_u32(prefix, NULL, "legofdmbw205glpo",
523 		       &sprom->legofdmbw205glpo, 0, fallback);
524 	nvram_read_u32(prefix, NULL, "legofdmbw20ul5glpo",
525 		       &sprom->legofdmbw20ul5glpo, 0, fallback);
526 	nvram_read_u32(prefix, NULL, "legofdmbw205gmpo",
527 		       &sprom->legofdmbw205gmpo, 0, fallback);
528 	nvram_read_u32(prefix, NULL, "legofdmbw20ul5gmpo",
529 		       &sprom->legofdmbw20ul5gmpo, 0, fallback);
530 	nvram_read_u32(prefix, NULL, "legofdmbw205ghpo",
531 		       &sprom->legofdmbw205ghpo, 0, fallback);
532 	nvram_read_u32(prefix, NULL, "legofdmbw20ul5ghpo",
533 		       &sprom->legofdmbw20ul5ghpo, 0, fallback);
534 	nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0,
535 		       fallback);
536 	nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0,
537 		       fallback);
538 	nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0,
539 		       fallback);
540 	nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0,
541 		       fallback);
542 	nvram_read_u32(prefix, NULL, "mcsbw20ul5glpo",
543 		       &sprom->mcsbw20ul5glpo, 0, fallback);
544 	nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0,
545 		       fallback);
546 	nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0,
547 		       fallback);
548 	nvram_read_u32(prefix, NULL, "mcsbw20ul5gmpo",
549 		       &sprom->mcsbw20ul5gmpo, 0, fallback);
550 	nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0,
551 		       fallback);
552 	nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0,
553 		       fallback);
554 	nvram_read_u32(prefix, NULL, "mcsbw20ul5ghpo",
555 		       &sprom->mcsbw20ul5ghpo, 0, fallback);
556 	nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0,
557 		       fallback);
558 	nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0, fallback);
559 	nvram_read_u16(prefix, NULL, "legofdm40duppo",
560 		       &sprom->legofdm40duppo, 0, fallback);
561 	nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0, fallback);
562 	nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0, fallback);
563 }
564 
bcm47xx_fill_sprom_path_r4589(struct ssb_sprom * sprom,const char * prefix,bool fallback)565 static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom,
566 					  const char *prefix, bool fallback)
567 {
568 	char postfix[2];
569 	int i;
570 
571 	for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
572 		struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
573 		snprintf(postfix, sizeof(postfix), "%i", i);
574 		nvram_read_u8(prefix, postfix, "maxp2ga",
575 			      &pwr_info->maxpwr_2g, 0, fallback);
576 		nvram_read_u8(prefix, postfix, "itt2ga",
577 			      &pwr_info->itssi_2g, 0, fallback);
578 		nvram_read_u8(prefix, postfix, "itt5ga",
579 			      &pwr_info->itssi_5g, 0, fallback);
580 		nvram_read_u16(prefix, postfix, "pa2gw0a",
581 			       &pwr_info->pa_2g[0], 0, fallback);
582 		nvram_read_u16(prefix, postfix, "pa2gw1a",
583 			       &pwr_info->pa_2g[1], 0, fallback);
584 		nvram_read_u16(prefix, postfix, "pa2gw2a",
585 			       &pwr_info->pa_2g[2], 0, fallback);
586 		nvram_read_u8(prefix, postfix, "maxp5ga",
587 			      &pwr_info->maxpwr_5g, 0, fallback);
588 		nvram_read_u8(prefix, postfix, "maxp5gha",
589 			      &pwr_info->maxpwr_5gh, 0, fallback);
590 		nvram_read_u8(prefix, postfix, "maxp5gla",
591 			      &pwr_info->maxpwr_5gl, 0, fallback);
592 		nvram_read_u16(prefix, postfix, "pa5gw0a",
593 			       &pwr_info->pa_5g[0], 0, fallback);
594 		nvram_read_u16(prefix, postfix, "pa5gw1a",
595 			       &pwr_info->pa_5g[1], 0, fallback);
596 		nvram_read_u16(prefix, postfix, "pa5gw2a",
597 			       &pwr_info->pa_5g[2], 0, fallback);
598 		nvram_read_u16(prefix, postfix, "pa5glw0a",
599 			       &pwr_info->pa_5gl[0], 0, fallback);
600 		nvram_read_u16(prefix, postfix, "pa5glw1a",
601 			       &pwr_info->pa_5gl[1], 0, fallback);
602 		nvram_read_u16(prefix, postfix, "pa5glw2a",
603 			       &pwr_info->pa_5gl[2], 0, fallback);
604 		nvram_read_u16(prefix, postfix, "pa5ghw0a",
605 			       &pwr_info->pa_5gh[0], 0, fallback);
606 		nvram_read_u16(prefix, postfix, "pa5ghw1a",
607 			       &pwr_info->pa_5gh[1], 0, fallback);
608 		nvram_read_u16(prefix, postfix, "pa5ghw2a",
609 			       &pwr_info->pa_5gh[2], 0, fallback);
610 	}
611 }
612 
bcm47xx_fill_sprom_path_r45(struct ssb_sprom * sprom,const char * prefix,bool fallback)613 static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom,
614 					const char *prefix, bool fallback)
615 {
616 	char postfix[2];
617 	int i;
618 
619 	for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
620 		struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
621 		snprintf(postfix, sizeof(postfix), "%i", i);
622 		nvram_read_u16(prefix, postfix, "pa2gw3a",
623 			       &pwr_info->pa_2g[3], 0, fallback);
624 		nvram_read_u16(prefix, postfix, "pa5gw3a",
625 			       &pwr_info->pa_5g[3], 0, fallback);
626 		nvram_read_u16(prefix, postfix, "pa5glw3a",
627 			       &pwr_info->pa_5gl[3], 0, fallback);
628 		nvram_read_u16(prefix, postfix, "pa5ghw3a",
629 			       &pwr_info->pa_5gh[3], 0, fallback);
630 	}
631 }
632 
bcm47xx_fill_sprom_ethernet(struct ssb_sprom * sprom,const char * prefix,bool fallback)633 static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom,
634 					const char *prefix, bool fallback)
635 {
636 	nvram_read_macaddr(prefix, "et0macaddr", &sprom->et0mac, fallback);
637 	nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0,
638 		      fallback);
639 	nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0,
640 		      fallback);
641 
642 	nvram_read_macaddr(prefix, "et1macaddr", &sprom->et1mac, fallback);
643 	nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0,
644 		      fallback);
645 	nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0,
646 		      fallback);
647 
648 	nvram_read_macaddr(prefix, "macaddr", &sprom->il0mac, fallback);
649 	nvram_read_macaddr(prefix, "il0macaddr", &sprom->il0mac, fallback);
650 }
651 
bcm47xx_fill_board_data(struct ssb_sprom * sprom,const char * prefix,bool fallback)652 static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix,
653 				    bool fallback)
654 {
655 	nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0, true);
656 	nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0,
657 		       fallback);
658 	nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0, true);
659 	nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
660 			 &sprom->boardflags_hi, fallback);
661 	nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo,
662 			 &sprom->boardflags2_hi, fallback);
663 }
664 
bcm47xx_fill_sprom(struct ssb_sprom * sprom,const char * prefix,bool fallback)665 void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
666 			bool fallback)
667 {
668 	bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback);
669 	bcm47xx_fill_board_data(sprom, prefix, fallback);
670 
671 	nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback);
672 
673 	switch (sprom->revision) {
674 	case 1:
675 		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
676 		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
677 		bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
678 		break;
679 	case 2:
680 		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
681 		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
682 		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
683 		break;
684 	case 3:
685 		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
686 		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
687 		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
688 		bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
689 		bcm47xx_fill_sprom_r3(sprom, prefix, fallback);
690 		break;
691 	case 4:
692 	case 5:
693 		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
694 		bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
695 		bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
696 		bcm47xx_fill_sprom_r45(sprom, prefix, fallback);
697 		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
698 		bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback);
699 		break;
700 	case 8:
701 		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
702 		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
703 		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
704 		bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
705 		bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
706 		bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
707 		bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
708 		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
709 		break;
710 	case 9:
711 		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
712 		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
713 		bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
714 		bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
715 		bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
716 		bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
717 		bcm47xx_fill_sprom_r9(sprom, prefix, fallback);
718 		bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
719 		break;
720 	default:
721 		pr_warn("Unsupported SPROM revision %d detected. Will extract"
722 			" v1\n", sprom->revision);
723 		sprom->revision = 1;
724 		bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
725 		bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
726 		bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
727 	}
728 }
729 
730 #ifdef CONFIG_BCM47XX_SSB
bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo * boardinfo,const char * prefix)731 void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
732 				const char *prefix)
733 {
734 	nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
735 		       true);
736 	if (!boardinfo->vendor)
737 		boardinfo->vendor = SSB_BOARDVENDOR_BCM;
738 
739 	nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
740 }
741 #endif
742 
743 #ifdef CONFIG_BCM47XX_BCMA
bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo * boardinfo,const char * prefix)744 void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
745 				 const char *prefix)
746 {
747 	nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
748 		       true);
749 	if (!boardinfo->vendor)
750 		boardinfo->vendor = SSB_BOARDVENDOR_BCM;
751 
752 	nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
753 }
754 #endif
755