1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * SSB Fallback SPROM Driver
5 * Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
6 * Copyright (C) 2014 Jonas Gorski <jonas.gorski@gmail.com>
7 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
8 * Copyright (C) 2008 Florian Fainelli <f.fainelli@gmail.com>
11 #include <linux/etherdevice.h>
12 #include <linux/firmware.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/mtd/mtd.h>
16 #include <linux/of_net.h>
17 #include <linux/of_platform.h>
18 #include <linux/ssb/ssb.h>
20 #define SSB_FBS_MAX_SIZE 440
22 /* Get the word-offset for a SSB_SPROM_XXX define. */
23 #define SPOFF(offset) ((offset) / sizeof(u16))
24 /* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */
25 #define SPEX16(_outvar, _offset, _mask, _shift) \
26 out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift))
27 #define SPEX32(_outvar, _offset, _mask, _shift) \
28 out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \
29 in[SPOFF(_offset)]) & (_mask)) >> (_shift))
30 #define SPEX(_outvar, _offset, _mask, _shift) \
31 SPEX16(_outvar, _offset, _mask, _shift)
33 #define SPEX_ARRAY8(_field, _offset, _mask, _shift) \
35 SPEX(_field[0], _offset + 0, _mask, _shift); \
36 SPEX(_field[1], _offset + 2, _mask, _shift); \
37 SPEX(_field[2], _offset + 4, _mask, _shift); \
38 SPEX(_field[3], _offset + 6, _mask, _shift); \
39 SPEX(_field[4], _offset + 8, _mask, _shift); \
40 SPEX(_field[5], _offset + 10, _mask, _shift); \
41 SPEX(_field[6], _offset + 12, _mask, _shift); \
42 SPEX(_field[7], _offset + 14, _mask, _shift); \
47 struct list_head list
;
48 struct ssb_sprom sprom
;
54 static DEFINE_SPINLOCK(ssb_fbs_lock
);
55 static struct list_head ssb_fbs_list
= LIST_HEAD_INIT(ssb_fbs_list
);
57 int ssb_get_fallback_sprom(struct ssb_bus
*bus
, struct ssb_sprom
*out
)
59 const u32 pci_bus
= bus
->host_pci
->bus
->number
;
60 const u32 pci_dev
= PCI_SLOT(bus
->host_pci
->devfn
);
63 list_for_each_entry(pos
, &ssb_fbs_list
, list
) {
64 if (pos
->pci_bus
!= pci_bus
||
65 pos
->pci_dev
!= pci_dev
)
68 if (pos
->devid_override
)
69 bus
->host_pci
->device
= pos
->sprom
.dev_id
;
71 memcpy(out
, &pos
->sprom
, sizeof(struct ssb_sprom
));
72 dev_info(pos
->dev
, "requested by [%x:%x]",
73 pos
->pci_bus
, pos
->pci_dev
);
78 pr_err("unable to fill SPROM for [%x:%x]\n", pci_bus
, pci_dev
);
83 static s8
sprom_extract_antgain(u8 sprom_revision
, const u16
*in
, u16 offset
,
89 v
= in
[SPOFF(offset
)];
90 gain
= (v
& mask
) >> shift
;
92 gain
= 2; /* If unset use 2dBm */
93 if (sprom_revision
== 1) {
97 /* Q5.2 Fractional part is stored in 0xC0 */
98 gain
= ((gain
& 0xC0) >> 6) | ((gain
& 0x3F) << 2);
104 static void sprom_extract_r23(struct ssb_sprom
*out
, const u16
*in
)
106 SPEX(boardflags_hi
, SSB_SPROM2_BFLHI
, 0xFFFF, 0);
107 SPEX(opo
, SSB_SPROM2_OPO
, SSB_SPROM2_OPO_VALUE
, 0);
108 SPEX(pa1lob0
, SSB_SPROM2_PA1LOB0
, 0xFFFF, 0);
109 SPEX(pa1lob1
, SSB_SPROM2_PA1LOB1
, 0xFFFF, 0);
110 SPEX(pa1lob2
, SSB_SPROM2_PA1LOB2
, 0xFFFF, 0);
111 SPEX(pa1hib0
, SSB_SPROM2_PA1HIB0
, 0xFFFF, 0);
112 SPEX(pa1hib1
, SSB_SPROM2_PA1HIB1
, 0xFFFF, 0);
113 SPEX(pa1hib2
, SSB_SPROM2_PA1HIB2
, 0xFFFF, 0);
114 SPEX(maxpwr_ah
, SSB_SPROM2_MAXP_A
, SSB_SPROM2_MAXP_A_HI
, 0);
115 SPEX(maxpwr_al
, SSB_SPROM2_MAXP_A
, SSB_SPROM2_MAXP_A_LO
,
116 SSB_SPROM2_MAXP_A_LO_SHIFT
);
119 static void sprom_extract_r123(struct ssb_sprom
*out
, const u16
*in
)
123 if (out
->revision
== 3) /* rev 3 moved MAC */
124 loc
[0] = SSB_SPROM3_IL0MAC
;
126 loc
[0] = SSB_SPROM1_IL0MAC
;
127 loc
[1] = SSB_SPROM1_ET0MAC
;
128 loc
[2] = SSB_SPROM1_ET1MAC
;
131 SPEX(et0phyaddr
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET0A
, 0);
132 SPEX(et1phyaddr
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET1A
,
133 SSB_SPROM1_ETHPHY_ET1A_SHIFT
);
134 SPEX(et0mdcport
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET0M
, 14);
135 SPEX(et1mdcport
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET1M
, 15);
136 SPEX(board_rev
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_BREV
, 0);
137 SPEX(board_type
, SSB_SPROM1_SPID
, 0xFFFF, 0);
138 if (out
->revision
== 1)
139 SPEX(country_code
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_CCODE
,
140 SSB_SPROM1_BINF_CCODE_SHIFT
);
141 SPEX(ant_available_a
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_ANTA
,
142 SSB_SPROM1_BINF_ANTA_SHIFT
);
143 SPEX(ant_available_bg
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_ANTBG
,
144 SSB_SPROM1_BINF_ANTBG_SHIFT
);
145 SPEX(pa0b0
, SSB_SPROM1_PA0B0
, 0xFFFF, 0);
146 SPEX(pa0b1
, SSB_SPROM1_PA0B1
, 0xFFFF, 0);
147 SPEX(pa0b2
, SSB_SPROM1_PA0B2
, 0xFFFF, 0);
148 SPEX(pa1b0
, SSB_SPROM1_PA1B0
, 0xFFFF, 0);
149 SPEX(pa1b1
, SSB_SPROM1_PA1B1
, 0xFFFF, 0);
150 SPEX(pa1b2
, SSB_SPROM1_PA1B2
, 0xFFFF, 0);
151 SPEX(gpio0
, SSB_SPROM1_GPIOA
, SSB_SPROM1_GPIOA_P0
, 0);
152 SPEX(gpio1
, SSB_SPROM1_GPIOA
, SSB_SPROM1_GPIOA_P1
,
153 SSB_SPROM1_GPIOA_P1_SHIFT
);
154 SPEX(gpio2
, SSB_SPROM1_GPIOB
, SSB_SPROM1_GPIOB_P2
, 0);
155 SPEX(gpio3
, SSB_SPROM1_GPIOB
, SSB_SPROM1_GPIOB_P3
,
156 SSB_SPROM1_GPIOB_P3_SHIFT
);
157 SPEX(maxpwr_a
, SSB_SPROM1_MAXPWR
, SSB_SPROM1_MAXPWR_A
,
158 SSB_SPROM1_MAXPWR_A_SHIFT
);
159 SPEX(maxpwr_bg
, SSB_SPROM1_MAXPWR
, SSB_SPROM1_MAXPWR_BG
, 0);
160 SPEX(itssi_a
, SSB_SPROM1_ITSSI
, SSB_SPROM1_ITSSI_A
,
161 SSB_SPROM1_ITSSI_A_SHIFT
);
162 SPEX(itssi_bg
, SSB_SPROM1_ITSSI
, SSB_SPROM1_ITSSI_BG
, 0);
163 SPEX(boardflags_lo
, SSB_SPROM1_BFLLO
, 0xFFFF, 0);
165 SPEX(alpha2
[0], SSB_SPROM1_CCODE
, 0xff00, 8);
166 SPEX(alpha2
[1], SSB_SPROM1_CCODE
, 0x00ff, 0);
168 /* Extract the antenna gain values. */
169 out
->antenna_gain
.a0
= sprom_extract_antgain(out
->revision
, in
,
172 SSB_SPROM1_AGAIN_BG_SHIFT
);
173 out
->antenna_gain
.a1
= sprom_extract_antgain(out
->revision
, in
,
176 SSB_SPROM1_AGAIN_A_SHIFT
);
177 if (out
->revision
>= 2)
178 sprom_extract_r23(out
, in
);
181 /* Revs 4 5 and 8 have partially shared layout */
182 static void sprom_extract_r458(struct ssb_sprom
*out
, const u16
*in
)
184 SPEX(txpid2g
[0], SSB_SPROM4_TXPID2G01
,
185 SSB_SPROM4_TXPID2G0
, SSB_SPROM4_TXPID2G0_SHIFT
);
186 SPEX(txpid2g
[1], SSB_SPROM4_TXPID2G01
,
187 SSB_SPROM4_TXPID2G1
, SSB_SPROM4_TXPID2G1_SHIFT
);
188 SPEX(txpid2g
[2], SSB_SPROM4_TXPID2G23
,
189 SSB_SPROM4_TXPID2G2
, SSB_SPROM4_TXPID2G2_SHIFT
);
190 SPEX(txpid2g
[3], SSB_SPROM4_TXPID2G23
,
191 SSB_SPROM4_TXPID2G3
, SSB_SPROM4_TXPID2G3_SHIFT
);
193 SPEX(txpid5gl
[0], SSB_SPROM4_TXPID5GL01
,
194 SSB_SPROM4_TXPID5GL0
, SSB_SPROM4_TXPID5GL0_SHIFT
);
195 SPEX(txpid5gl
[1], SSB_SPROM4_TXPID5GL01
,
196 SSB_SPROM4_TXPID5GL1
, SSB_SPROM4_TXPID5GL1_SHIFT
);
197 SPEX(txpid5gl
[2], SSB_SPROM4_TXPID5GL23
,
198 SSB_SPROM4_TXPID5GL2
, SSB_SPROM4_TXPID5GL2_SHIFT
);
199 SPEX(txpid5gl
[3], SSB_SPROM4_TXPID5GL23
,
200 SSB_SPROM4_TXPID5GL3
, SSB_SPROM4_TXPID5GL3_SHIFT
);
202 SPEX(txpid5g
[0], SSB_SPROM4_TXPID5G01
,
203 SSB_SPROM4_TXPID5G0
, SSB_SPROM4_TXPID5G0_SHIFT
);
204 SPEX(txpid5g
[1], SSB_SPROM4_TXPID5G01
,
205 SSB_SPROM4_TXPID5G1
, SSB_SPROM4_TXPID5G1_SHIFT
);
206 SPEX(txpid5g
[2], SSB_SPROM4_TXPID5G23
,
207 SSB_SPROM4_TXPID5G2
, SSB_SPROM4_TXPID5G2_SHIFT
);
208 SPEX(txpid5g
[3], SSB_SPROM4_TXPID5G23
,
209 SSB_SPROM4_TXPID5G3
, SSB_SPROM4_TXPID5G3_SHIFT
);
211 SPEX(txpid5gh
[0], SSB_SPROM4_TXPID5GH01
,
212 SSB_SPROM4_TXPID5GH0
, SSB_SPROM4_TXPID5GH0_SHIFT
);
213 SPEX(txpid5gh
[1], SSB_SPROM4_TXPID5GH01
,
214 SSB_SPROM4_TXPID5GH1
, SSB_SPROM4_TXPID5GH1_SHIFT
);
215 SPEX(txpid5gh
[2], SSB_SPROM4_TXPID5GH23
,
216 SSB_SPROM4_TXPID5GH2
, SSB_SPROM4_TXPID5GH2_SHIFT
);
217 SPEX(txpid5gh
[3], SSB_SPROM4_TXPID5GH23
,
218 SSB_SPROM4_TXPID5GH3
, SSB_SPROM4_TXPID5GH3_SHIFT
);
221 static void sprom_extract_r45(struct ssb_sprom
*out
, const u16
*in
)
223 static const u16 pwr_info_offset
[] = {
224 SSB_SPROM4_PWR_INFO_CORE0
, SSB_SPROM4_PWR_INFO_CORE1
,
225 SSB_SPROM4_PWR_INFO_CORE2
, SSB_SPROM4_PWR_INFO_CORE3
229 BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset
) !=
230 ARRAY_SIZE(out
->core_pwr_info
));
232 SPEX(et0phyaddr
, SSB_SPROM4_ETHPHY
, SSB_SPROM4_ETHPHY_ET0A
, 0);
233 SPEX(et1phyaddr
, SSB_SPROM4_ETHPHY
, SSB_SPROM4_ETHPHY_ET1A
,
234 SSB_SPROM4_ETHPHY_ET1A_SHIFT
);
235 SPEX(board_rev
, SSB_SPROM4_BOARDREV
, 0xFFFF, 0);
236 SPEX(board_type
, SSB_SPROM1_SPID
, 0xFFFF, 0);
237 if (out
->revision
== 4) {
238 SPEX(alpha2
[0], SSB_SPROM4_CCODE
, 0xff00, 8);
239 SPEX(alpha2
[1], SSB_SPROM4_CCODE
, 0x00ff, 0);
240 SPEX(boardflags_lo
, SSB_SPROM4_BFLLO
, 0xFFFF, 0);
241 SPEX(boardflags_hi
, SSB_SPROM4_BFLHI
, 0xFFFF, 0);
242 SPEX(boardflags2_lo
, SSB_SPROM4_BFL2LO
, 0xFFFF, 0);
243 SPEX(boardflags2_hi
, SSB_SPROM4_BFL2HI
, 0xFFFF, 0);
245 SPEX(alpha2
[0], SSB_SPROM5_CCODE
, 0xff00, 8);
246 SPEX(alpha2
[1], SSB_SPROM5_CCODE
, 0x00ff, 0);
247 SPEX(boardflags_lo
, SSB_SPROM5_BFLLO
, 0xFFFF, 0);
248 SPEX(boardflags_hi
, SSB_SPROM5_BFLHI
, 0xFFFF, 0);
249 SPEX(boardflags2_lo
, SSB_SPROM5_BFL2LO
, 0xFFFF, 0);
250 SPEX(boardflags2_hi
, SSB_SPROM5_BFL2HI
, 0xFFFF, 0);
252 SPEX(ant_available_a
, SSB_SPROM4_ANTAVAIL
, SSB_SPROM4_ANTAVAIL_A
,
253 SSB_SPROM4_ANTAVAIL_A_SHIFT
);
254 SPEX(ant_available_bg
, SSB_SPROM4_ANTAVAIL
, SSB_SPROM4_ANTAVAIL_BG
,
255 SSB_SPROM4_ANTAVAIL_BG_SHIFT
);
256 SPEX(maxpwr_bg
, SSB_SPROM4_MAXP_BG
, SSB_SPROM4_MAXP_BG_MASK
, 0);
257 SPEX(itssi_bg
, SSB_SPROM4_MAXP_BG
, SSB_SPROM4_ITSSI_BG
,
258 SSB_SPROM4_ITSSI_BG_SHIFT
);
259 SPEX(maxpwr_a
, SSB_SPROM4_MAXP_A
, SSB_SPROM4_MAXP_A_MASK
, 0);
260 SPEX(itssi_a
, SSB_SPROM4_MAXP_A
, SSB_SPROM4_ITSSI_A
,
261 SSB_SPROM4_ITSSI_A_SHIFT
);
262 if (out
->revision
== 4) {
263 SPEX(gpio0
, SSB_SPROM4_GPIOA
, SSB_SPROM4_GPIOA_P0
, 0);
264 SPEX(gpio1
, SSB_SPROM4_GPIOA
, SSB_SPROM4_GPIOA_P1
,
265 SSB_SPROM4_GPIOA_P1_SHIFT
);
266 SPEX(gpio2
, SSB_SPROM4_GPIOB
, SSB_SPROM4_GPIOB_P2
, 0);
267 SPEX(gpio3
, SSB_SPROM4_GPIOB
, SSB_SPROM4_GPIOB_P3
,
268 SSB_SPROM4_GPIOB_P3_SHIFT
);
270 SPEX(gpio0
, SSB_SPROM5_GPIOA
, SSB_SPROM5_GPIOA_P0
, 0);
271 SPEX(gpio1
, SSB_SPROM5_GPIOA
, SSB_SPROM5_GPIOA_P1
,
272 SSB_SPROM5_GPIOA_P1_SHIFT
);
273 SPEX(gpio2
, SSB_SPROM5_GPIOB
, SSB_SPROM5_GPIOB_P2
, 0);
274 SPEX(gpio3
, SSB_SPROM5_GPIOB
, SSB_SPROM5_GPIOB_P3
,
275 SSB_SPROM5_GPIOB_P3_SHIFT
);
278 /* Extract the antenna gain values. */
279 out
->antenna_gain
.a0
= sprom_extract_antgain(out
->revision
, in
,
282 SSB_SPROM4_AGAIN0_SHIFT
);
283 out
->antenna_gain
.a1
= sprom_extract_antgain(out
->revision
, in
,
286 SSB_SPROM4_AGAIN1_SHIFT
);
287 out
->antenna_gain
.a2
= sprom_extract_antgain(out
->revision
, in
,
290 SSB_SPROM4_AGAIN2_SHIFT
);
291 out
->antenna_gain
.a3
= sprom_extract_antgain(out
->revision
, in
,
294 SSB_SPROM4_AGAIN3_SHIFT
);
296 /* Extract cores power info info */
297 for (i
= 0; i
< ARRAY_SIZE(pwr_info_offset
); i
++) {
298 u16 o
= pwr_info_offset
[i
];
300 SPEX(core_pwr_info
[i
].itssi_2g
, o
+ SSB_SPROM4_2G_MAXP_ITSSI
,
301 SSB_SPROM4_2G_ITSSI
, SSB_SPROM4_2G_ITSSI_SHIFT
);
302 SPEX(core_pwr_info
[i
].maxpwr_2g
, o
+ SSB_SPROM4_2G_MAXP_ITSSI
,
303 SSB_SPROM4_2G_MAXP
, 0);
305 SPEX(core_pwr_info
[i
].pa_2g
[0], o
+ SSB_SPROM4_2G_PA_0
, ~0, 0);
306 SPEX(core_pwr_info
[i
].pa_2g
[1], o
+ SSB_SPROM4_2G_PA_1
, ~0, 0);
307 SPEX(core_pwr_info
[i
].pa_2g
[2], o
+ SSB_SPROM4_2G_PA_2
, ~0, 0);
308 SPEX(core_pwr_info
[i
].pa_2g
[3], o
+ SSB_SPROM4_2G_PA_3
, ~0, 0);
310 SPEX(core_pwr_info
[i
].itssi_5g
, o
+ SSB_SPROM4_5G_MAXP_ITSSI
,
311 SSB_SPROM4_5G_ITSSI
, SSB_SPROM4_5G_ITSSI_SHIFT
);
312 SPEX(core_pwr_info
[i
].maxpwr_5g
, o
+ SSB_SPROM4_5G_MAXP_ITSSI
,
313 SSB_SPROM4_5G_MAXP
, 0);
314 SPEX(core_pwr_info
[i
].maxpwr_5gh
, o
+ SSB_SPROM4_5GHL_MAXP
,
315 SSB_SPROM4_5GH_MAXP
, 0);
316 SPEX(core_pwr_info
[i
].maxpwr_5gl
, o
+ SSB_SPROM4_5GHL_MAXP
,
317 SSB_SPROM4_5GL_MAXP
, SSB_SPROM4_5GL_MAXP_SHIFT
);
319 SPEX(core_pwr_info
[i
].pa_5gl
[0], o
+ SSB_SPROM4_5GL_PA_0
, ~0, 0);
320 SPEX(core_pwr_info
[i
].pa_5gl
[1], o
+ SSB_SPROM4_5GL_PA_1
, ~0, 0);
321 SPEX(core_pwr_info
[i
].pa_5gl
[2], o
+ SSB_SPROM4_5GL_PA_2
, ~0, 0);
322 SPEX(core_pwr_info
[i
].pa_5gl
[3], o
+ SSB_SPROM4_5GL_PA_3
, ~0, 0);
323 SPEX(core_pwr_info
[i
].pa_5g
[0], o
+ SSB_SPROM4_5G_PA_0
, ~0, 0);
324 SPEX(core_pwr_info
[i
].pa_5g
[1], o
+ SSB_SPROM4_5G_PA_1
, ~0, 0);
325 SPEX(core_pwr_info
[i
].pa_5g
[2], o
+ SSB_SPROM4_5G_PA_2
, ~0, 0);
326 SPEX(core_pwr_info
[i
].pa_5g
[3], o
+ SSB_SPROM4_5G_PA_3
, ~0, 0);
327 SPEX(core_pwr_info
[i
].pa_5gh
[0], o
+ SSB_SPROM4_5GH_PA_0
, ~0, 0);
328 SPEX(core_pwr_info
[i
].pa_5gh
[1], o
+ SSB_SPROM4_5GH_PA_1
, ~0, 0);
329 SPEX(core_pwr_info
[i
].pa_5gh
[2], o
+ SSB_SPROM4_5GH_PA_2
, ~0, 0);
330 SPEX(core_pwr_info
[i
].pa_5gh
[3], o
+ SSB_SPROM4_5GH_PA_3
, ~0, 0);
333 sprom_extract_r458(out
, in
);
335 /* TODO - get remaining rev 4 stuff needed */
338 static void sprom_extract_r8(struct ssb_sprom
*out
, const u16
*in
)
342 static const u16 pwr_info_offset
[] = {
343 SSB_SROM8_PWR_INFO_CORE0
, SSB_SROM8_PWR_INFO_CORE1
,
344 SSB_SROM8_PWR_INFO_CORE2
, SSB_SROM8_PWR_INFO_CORE3
346 BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset
) !=
347 ARRAY_SIZE(out
->core_pwr_info
));
349 SPEX(board_rev
, SSB_SPROM8_BOARDREV
, 0xFFFF, 0);
350 SPEX(board_type
, SSB_SPROM1_SPID
, 0xFFFF, 0);
351 SPEX(alpha2
[0], SSB_SPROM8_CCODE
, 0xff00, 8);
352 SPEX(alpha2
[1], SSB_SPROM8_CCODE
, 0x00ff, 0);
353 SPEX(boardflags_lo
, SSB_SPROM8_BFLLO
, 0xFFFF, 0);
354 SPEX(boardflags_hi
, SSB_SPROM8_BFLHI
, 0xFFFF, 0);
355 SPEX(boardflags2_lo
, SSB_SPROM8_BFL2LO
, 0xFFFF, 0);
356 SPEX(boardflags2_hi
, SSB_SPROM8_BFL2HI
, 0xFFFF, 0);
357 SPEX(ant_available_a
, SSB_SPROM8_ANTAVAIL
, SSB_SPROM8_ANTAVAIL_A
,
358 SSB_SPROM8_ANTAVAIL_A_SHIFT
);
359 SPEX(ant_available_bg
, SSB_SPROM8_ANTAVAIL
, SSB_SPROM8_ANTAVAIL_BG
,
360 SSB_SPROM8_ANTAVAIL_BG_SHIFT
);
361 SPEX(maxpwr_bg
, SSB_SPROM8_MAXP_BG
, SSB_SPROM8_MAXP_BG_MASK
, 0);
362 SPEX(itssi_bg
, SSB_SPROM8_MAXP_BG
, SSB_SPROM8_ITSSI_BG
,
363 SSB_SPROM8_ITSSI_BG_SHIFT
);
364 SPEX(maxpwr_a
, SSB_SPROM8_MAXP_A
, SSB_SPROM8_MAXP_A_MASK
, 0);
365 SPEX(itssi_a
, SSB_SPROM8_MAXP_A
, SSB_SPROM8_ITSSI_A
,
366 SSB_SPROM8_ITSSI_A_SHIFT
);
367 SPEX(maxpwr_ah
, SSB_SPROM8_MAXP_AHL
, SSB_SPROM8_MAXP_AH_MASK
, 0);
368 SPEX(maxpwr_al
, SSB_SPROM8_MAXP_AHL
, SSB_SPROM8_MAXP_AL_MASK
,
369 SSB_SPROM8_MAXP_AL_SHIFT
);
370 SPEX(gpio0
, SSB_SPROM8_GPIOA
, SSB_SPROM8_GPIOA_P0
, 0);
371 SPEX(gpio1
, SSB_SPROM8_GPIOA
, SSB_SPROM8_GPIOA_P1
,
372 SSB_SPROM8_GPIOA_P1_SHIFT
);
373 SPEX(gpio2
, SSB_SPROM8_GPIOB
, SSB_SPROM8_GPIOB_P2
, 0);
374 SPEX(gpio3
, SSB_SPROM8_GPIOB
, SSB_SPROM8_GPIOB_P3
,
375 SSB_SPROM8_GPIOB_P3_SHIFT
);
376 SPEX(tri2g
, SSB_SPROM8_TRI25G
, SSB_SPROM8_TRI2G
, 0);
377 SPEX(tri5g
, SSB_SPROM8_TRI25G
, SSB_SPROM8_TRI5G
,
378 SSB_SPROM8_TRI5G_SHIFT
);
379 SPEX(tri5gl
, SSB_SPROM8_TRI5GHL
, SSB_SPROM8_TRI5GL
, 0);
380 SPEX(tri5gh
, SSB_SPROM8_TRI5GHL
, SSB_SPROM8_TRI5GH
,
381 SSB_SPROM8_TRI5GH_SHIFT
);
382 SPEX(rxpo2g
, SSB_SPROM8_RXPO
, SSB_SPROM8_RXPO2G
, 0);
383 SPEX(rxpo5g
, SSB_SPROM8_RXPO
, SSB_SPROM8_RXPO5G
,
384 SSB_SPROM8_RXPO5G_SHIFT
);
385 SPEX(rssismf2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_RSSISMF2G
, 0);
386 SPEX(rssismc2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_RSSISMC2G
,
387 SSB_SPROM8_RSSISMC2G_SHIFT
);
388 SPEX(rssisav2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_RSSISAV2G
,
389 SSB_SPROM8_RSSISAV2G_SHIFT
);
390 SPEX(bxa2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_BXA2G
,
391 SSB_SPROM8_BXA2G_SHIFT
);
392 SPEX(rssismf5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_RSSISMF5G
, 0);
393 SPEX(rssismc5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_RSSISMC5G
,
394 SSB_SPROM8_RSSISMC5G_SHIFT
);
395 SPEX(rssisav5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_RSSISAV5G
,
396 SSB_SPROM8_RSSISAV5G_SHIFT
);
397 SPEX(bxa5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_BXA5G
,
398 SSB_SPROM8_BXA5G_SHIFT
);
399 SPEX(pa0b0
, SSB_SPROM8_PA0B0
, 0xFFFF, 0);
400 SPEX(pa0b1
, SSB_SPROM8_PA0B1
, 0xFFFF, 0);
401 SPEX(pa0b2
, SSB_SPROM8_PA0B2
, 0xFFFF, 0);
402 SPEX(pa1b0
, SSB_SPROM8_PA1B0
, 0xFFFF, 0);
403 SPEX(pa1b1
, SSB_SPROM8_PA1B1
, 0xFFFF, 0);
404 SPEX(pa1b2
, SSB_SPROM8_PA1B2
, 0xFFFF, 0);
405 SPEX(pa1lob0
, SSB_SPROM8_PA1LOB0
, 0xFFFF, 0);
406 SPEX(pa1lob1
, SSB_SPROM8_PA1LOB1
, 0xFFFF, 0);
407 SPEX(pa1lob2
, SSB_SPROM8_PA1LOB2
, 0xFFFF, 0);
408 SPEX(pa1hib0
, SSB_SPROM8_PA1HIB0
, 0xFFFF, 0);
409 SPEX(pa1hib1
, SSB_SPROM8_PA1HIB1
, 0xFFFF, 0);
410 SPEX(pa1hib2
, SSB_SPROM8_PA1HIB2
, 0xFFFF, 0);
411 SPEX(cck2gpo
, SSB_SPROM8_CCK2GPO
, 0xFFFF, 0);
412 SPEX32(ofdm2gpo
, SSB_SPROM8_OFDM2GPO
, 0xFFFFFFFF, 0);
413 SPEX32(ofdm5glpo
, SSB_SPROM8_OFDM5GLPO
, 0xFFFFFFFF, 0);
414 SPEX32(ofdm5gpo
, SSB_SPROM8_OFDM5GPO
, 0xFFFFFFFF, 0);
415 SPEX32(ofdm5ghpo
, SSB_SPROM8_OFDM5GHPO
, 0xFFFFFFFF, 0);
417 /* Extract the antenna gain values. */
418 out
->antenna_gain
.a0
= sprom_extract_antgain(out
->revision
, in
,
421 SSB_SPROM8_AGAIN0_SHIFT
);
422 out
->antenna_gain
.a1
= sprom_extract_antgain(out
->revision
, in
,
425 SSB_SPROM8_AGAIN1_SHIFT
);
426 out
->antenna_gain
.a2
= sprom_extract_antgain(out
->revision
, in
,
429 SSB_SPROM8_AGAIN2_SHIFT
);
430 out
->antenna_gain
.a3
= sprom_extract_antgain(out
->revision
, in
,
433 SSB_SPROM8_AGAIN3_SHIFT
);
435 /* Extract cores power info info */
436 for (i
= 0; i
< ARRAY_SIZE(pwr_info_offset
); i
++) {
437 o
= pwr_info_offset
[i
];
438 SPEX(core_pwr_info
[i
].itssi_2g
, o
+ SSB_SROM8_2G_MAXP_ITSSI
,
439 SSB_SPROM8_2G_ITSSI
, SSB_SPROM8_2G_ITSSI_SHIFT
);
440 SPEX(core_pwr_info
[i
].maxpwr_2g
, o
+ SSB_SROM8_2G_MAXP_ITSSI
,
441 SSB_SPROM8_2G_MAXP
, 0);
443 SPEX(core_pwr_info
[i
].pa_2g
[0], o
+ SSB_SROM8_2G_PA_0
, ~0, 0);
444 SPEX(core_pwr_info
[i
].pa_2g
[1], o
+ SSB_SROM8_2G_PA_1
, ~0, 0);
445 SPEX(core_pwr_info
[i
].pa_2g
[2], o
+ SSB_SROM8_2G_PA_2
, ~0, 0);
447 SPEX(core_pwr_info
[i
].itssi_5g
, o
+ SSB_SROM8_5G_MAXP_ITSSI
,
448 SSB_SPROM8_5G_ITSSI
, SSB_SPROM8_5G_ITSSI_SHIFT
);
449 SPEX(core_pwr_info
[i
].maxpwr_5g
, o
+ SSB_SROM8_5G_MAXP_ITSSI
,
450 SSB_SPROM8_5G_MAXP
, 0);
451 SPEX(core_pwr_info
[i
].maxpwr_5gh
, o
+ SSB_SPROM8_5GHL_MAXP
,
452 SSB_SPROM8_5GH_MAXP
, 0);
453 SPEX(core_pwr_info
[i
].maxpwr_5gl
, o
+ SSB_SPROM8_5GHL_MAXP
,
454 SSB_SPROM8_5GL_MAXP
, SSB_SPROM8_5GL_MAXP_SHIFT
);
456 SPEX(core_pwr_info
[i
].pa_5gl
[0], o
+ SSB_SROM8_5GL_PA_0
, ~0, 0);
457 SPEX(core_pwr_info
[i
].pa_5gl
[1], o
+ SSB_SROM8_5GL_PA_1
, ~0, 0);
458 SPEX(core_pwr_info
[i
].pa_5gl
[2], o
+ SSB_SROM8_5GL_PA_2
, ~0, 0);
459 SPEX(core_pwr_info
[i
].pa_5g
[0], o
+ SSB_SROM8_5G_PA_0
, ~0, 0);
460 SPEX(core_pwr_info
[i
].pa_5g
[1], o
+ SSB_SROM8_5G_PA_1
, ~0, 0);
461 SPEX(core_pwr_info
[i
].pa_5g
[2], o
+ SSB_SROM8_5G_PA_2
, ~0, 0);
462 SPEX(core_pwr_info
[i
].pa_5gh
[0], o
+ SSB_SROM8_5GH_PA_0
, ~0, 0);
463 SPEX(core_pwr_info
[i
].pa_5gh
[1], o
+ SSB_SROM8_5GH_PA_1
, ~0, 0);
464 SPEX(core_pwr_info
[i
].pa_5gh
[2], o
+ SSB_SROM8_5GH_PA_2
, ~0, 0);
467 /* Extract FEM info */
468 SPEX(fem
.ghz2
.tssipos
, SSB_SPROM8_FEM2G
,
469 SSB_SROM8_FEM_TSSIPOS
, SSB_SROM8_FEM_TSSIPOS_SHIFT
);
470 SPEX(fem
.ghz2
.extpa_gain
, SSB_SPROM8_FEM2G
,
471 SSB_SROM8_FEM_EXTPA_GAIN
, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT
);
472 SPEX(fem
.ghz2
.pdet_range
, SSB_SPROM8_FEM2G
,
473 SSB_SROM8_FEM_PDET_RANGE
, SSB_SROM8_FEM_PDET_RANGE_SHIFT
);
474 SPEX(fem
.ghz2
.tr_iso
, SSB_SPROM8_FEM2G
,
475 SSB_SROM8_FEM_TR_ISO
, SSB_SROM8_FEM_TR_ISO_SHIFT
);
476 SPEX(fem
.ghz2
.antswlut
, SSB_SPROM8_FEM2G
,
477 SSB_SROM8_FEM_ANTSWLUT
, SSB_SROM8_FEM_ANTSWLUT_SHIFT
);
479 SPEX(fem
.ghz5
.tssipos
, SSB_SPROM8_FEM5G
,
480 SSB_SROM8_FEM_TSSIPOS
, SSB_SROM8_FEM_TSSIPOS_SHIFT
);
481 SPEX(fem
.ghz5
.extpa_gain
, SSB_SPROM8_FEM5G
,
482 SSB_SROM8_FEM_EXTPA_GAIN
, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT
);
483 SPEX(fem
.ghz5
.pdet_range
, SSB_SPROM8_FEM5G
,
484 SSB_SROM8_FEM_PDET_RANGE
, SSB_SROM8_FEM_PDET_RANGE_SHIFT
);
485 SPEX(fem
.ghz5
.tr_iso
, SSB_SPROM8_FEM5G
,
486 SSB_SROM8_FEM_TR_ISO
, SSB_SROM8_FEM_TR_ISO_SHIFT
);
487 SPEX(fem
.ghz5
.antswlut
, SSB_SPROM8_FEM5G
,
488 SSB_SROM8_FEM_ANTSWLUT
, SSB_SROM8_FEM_ANTSWLUT_SHIFT
);
490 SPEX(leddc_on_time
, SSB_SPROM8_LEDDC
, SSB_SPROM8_LEDDC_ON
,
491 SSB_SPROM8_LEDDC_ON_SHIFT
);
492 SPEX(leddc_off_time
, SSB_SPROM8_LEDDC
, SSB_SPROM8_LEDDC_OFF
,
493 SSB_SPROM8_LEDDC_OFF_SHIFT
);
495 SPEX(txchain
, SSB_SPROM8_TXRXC
, SSB_SPROM8_TXRXC_TXCHAIN
,
496 SSB_SPROM8_TXRXC_TXCHAIN_SHIFT
);
497 SPEX(rxchain
, SSB_SPROM8_TXRXC
, SSB_SPROM8_TXRXC_RXCHAIN
,
498 SSB_SPROM8_TXRXC_RXCHAIN_SHIFT
);
499 SPEX(antswitch
, SSB_SPROM8_TXRXC
, SSB_SPROM8_TXRXC_SWITCH
,
500 SSB_SPROM8_TXRXC_SWITCH_SHIFT
);
502 SPEX(opo
, SSB_SPROM8_OFDM2GPO
, 0x00ff, 0);
504 SPEX_ARRAY8(mcs2gpo
, SSB_SPROM8_2G_MCSPO
, ~0, 0);
505 SPEX_ARRAY8(mcs5gpo
, SSB_SPROM8_5G_MCSPO
, ~0, 0);
506 SPEX_ARRAY8(mcs5glpo
, SSB_SPROM8_5GL_MCSPO
, ~0, 0);
507 SPEX_ARRAY8(mcs5ghpo
, SSB_SPROM8_5GH_MCSPO
, ~0, 0);
509 SPEX(rawtempsense
, SSB_SPROM8_RAWTS
, SSB_SPROM8_RAWTS_RAWTEMP
,
510 SSB_SPROM8_RAWTS_RAWTEMP_SHIFT
);
511 SPEX(measpower
, SSB_SPROM8_RAWTS
, SSB_SPROM8_RAWTS_MEASPOWER
,
512 SSB_SPROM8_RAWTS_MEASPOWER_SHIFT
);
513 SPEX(tempsense_slope
, SSB_SPROM8_OPT_CORRX
,
514 SSB_SPROM8_OPT_CORRX_TEMP_SLOPE
,
515 SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT
);
516 SPEX(tempcorrx
, SSB_SPROM8_OPT_CORRX
, SSB_SPROM8_OPT_CORRX_TEMPCORRX
,
517 SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT
);
518 SPEX(tempsense_option
, SSB_SPROM8_OPT_CORRX
,
519 SSB_SPROM8_OPT_CORRX_TEMP_OPTION
,
520 SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT
);
521 SPEX(freqoffset_corr
, SSB_SPROM8_HWIQ_IQSWP
,
522 SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR
,
523 SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT
);
524 SPEX(iqcal_swp_dis
, SSB_SPROM8_HWIQ_IQSWP
,
525 SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP
,
526 SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT
);
527 SPEX(hw_iqcal_en
, SSB_SPROM8_HWIQ_IQSWP
, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL
,
528 SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT
);
530 SPEX(bw40po
, SSB_SPROM8_BW40PO
, ~0, 0);
531 SPEX(cddpo
, SSB_SPROM8_CDDPO
, ~0, 0);
532 SPEX(stbcpo
, SSB_SPROM8_STBCPO
, ~0, 0);
533 SPEX(bwduppo
, SSB_SPROM8_BWDUPPO
, ~0, 0);
535 SPEX(tempthresh
, SSB_SPROM8_THERMAL
, SSB_SPROM8_THERMAL_TRESH
,
536 SSB_SPROM8_THERMAL_TRESH_SHIFT
);
537 SPEX(tempoffset
, SSB_SPROM8_THERMAL
, SSB_SPROM8_THERMAL_OFFSET
,
538 SSB_SPROM8_THERMAL_OFFSET_SHIFT
);
539 SPEX(phycal_tempdelta
, SSB_SPROM8_TEMPDELTA
,
540 SSB_SPROM8_TEMPDELTA_PHYCAL
,
541 SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT
);
542 SPEX(temps_period
, SSB_SPROM8_TEMPDELTA
, SSB_SPROM8_TEMPDELTA_PERIOD
,
543 SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT
);
544 SPEX(temps_hysteresis
, SSB_SPROM8_TEMPDELTA
,
545 SSB_SPROM8_TEMPDELTA_HYSTERESIS
,
546 SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT
);
547 sprom_extract_r458(out
, in
);
549 /* TODO - get remaining rev 8 stuff needed */
552 static int sprom_extract(struct ssb_fbs
*priv
, const u16
*in
, u16 size
)
554 struct ssb_sprom
*out
= &priv
->sprom
;
556 memset(out
, 0, sizeof(*out
));
558 out
->revision
= in
[size
- 1] & 0x00FF;
559 memset(out
->et0mac
, 0xFF, 6);
560 memset(out
->et1mac
, 0xFF, 6);
562 switch (out
->revision
) {
566 sprom_extract_r123(out
, in
);
570 sprom_extract_r45(out
, in
);
573 sprom_extract_r8(out
, in
);
577 "Unsupported SPROM revision %d detected."
578 " Will extract v1\n",
581 sprom_extract_r123(out
, in
);
584 if (out
->boardflags_lo
== 0xFFFF)
585 out
->boardflags_lo
= 0; /* per specs */
586 if (out
->boardflags_hi
== 0xFFFF)
587 out
->boardflags_hi
= 0; /* per specs */
592 static void ssb_fbs_fixup(struct ssb_fbs
*priv
, u16
*sprom
)
594 struct device_node
*node
= priv
->dev
->of_node
;
595 u32 fixups
, off
, val
;
598 if (!of_get_property(node
, "brcm,sprom-fixups", &fixups
))
601 fixups
/= sizeof(u32
);
603 dev_info(priv
->dev
, "patching SPROM with %u fixups...\n", fixups
>> 1);
606 if (of_property_read_u32_index(node
, "brcm,sprom-fixups",
608 dev_err(priv
->dev
, "error reading fixup[%u] offset\n",
613 if (of_property_read_u32_index(node
, "brcm,sprom-fixups",
615 dev_err(priv
->dev
, "error reading fixup[%u] value\n",
620 dev_dbg(priv
->dev
, "fixup[%d]=0x%04x\n", off
, val
);
626 static bool sprom_override_devid(struct ssb_fbs
*priv
, struct ssb_sprom
*out
,
629 SPEX(dev_id
, SSB_SPROM1_PID
, 0xFFFF, 0);
630 return !!out
->dev_id
;
633 static int ssb_fbs_set(struct ssb_fbs
*priv
, struct device_node
*node
)
635 struct ssb_sprom
*sprom
= &priv
->sprom
;
636 const struct firmware
*fw
;
637 const char *sprom_name
;
640 if (of_property_read_string(node
, "brcm,sprom", &sprom_name
))
644 err
= request_firmware_direct(&fw
, sprom_name
, priv
->dev
);
646 dev_err(priv
->dev
, "%s load error\n", sprom_name
);
652 sprom
->revision
= 0x02;
653 sprom
->board_rev
= 0x0017;
654 sprom
->country_code
= 0x00;
655 sprom
->ant_available_bg
= 0x03;
656 sprom
->pa0b0
= 0x15ae;
657 sprom
->pa0b1
= 0xfa85;
658 sprom
->pa0b2
= 0xfe8d;
659 sprom
->pa1b0
= 0xffff;
660 sprom
->pa1b1
= 0xffff;
661 sprom
->pa1b2
= 0xffff;
666 sprom
->maxpwr_bg
= 0x4c;
667 sprom
->itssi_bg
= 0x00;
668 sprom
->boardflags_lo
= 0x2848;
669 sprom
->boardflags_hi
= 0x0000;
670 priv
->devid_override
= false;
672 dev_warn(priv
->dev
, "using basic SPROM\n");
674 size_t size
= min(fw
->size
, (size_t) SSB_FBS_MAX_SIZE
);
675 u16 tmp_sprom
[SSB_FBS_MAX_SIZE
>> 1];
678 for (i
= 0, j
= 0; i
< size
; i
+= 2, j
++)
679 tmp_sprom
[j
] = (fw
->data
[i
] << 8) | fw
->data
[i
+ 1];
681 release_firmware(fw
);
682 ssb_fbs_fixup(priv
, tmp_sprom
);
683 sprom_extract(priv
, tmp_sprom
, size
>> 1);
685 priv
->devid_override
= sprom_override_devid(priv
, sprom
,
692 static int ssb_fbs_probe(struct platform_device
*pdev
)
694 struct device
*dev
= &pdev
->dev
;
695 struct device_node
*node
= dev
->of_node
;
696 struct ssb_fbs
*priv
;
700 priv
= devm_kzalloc(dev
, sizeof(*priv
), GFP_KERNEL
);
706 ssb_fbs_set(priv
, node
);
708 of_property_read_u32(node
, "pci-bus", &priv
->pci_bus
);
709 of_property_read_u32(node
, "pci-dev", &priv
->pci_dev
);
711 of_get_mac_address(node
, mac
);
712 if (is_valid_ether_addr(mac
)) {
713 dev_info(dev
, "mtd mac %pM\n", mac
);
715 random_ether_addr(mac
);
716 dev_info(dev
, "random mac %pM\n", mac
);
719 memcpy(priv
->sprom
.il0mac
, mac
, ETH_ALEN
);
720 memcpy(priv
->sprom
.et0mac
, mac
, ETH_ALEN
);
721 memcpy(priv
->sprom
.et1mac
, mac
, ETH_ALEN
);
722 memcpy(priv
->sprom
.et2mac
, mac
, ETH_ALEN
);
724 spin_lock_irqsave(&ssb_fbs_lock
, flags
);
725 list_add(&priv
->list
, &ssb_fbs_list
);
726 spin_unlock_irqrestore(&ssb_fbs_lock
, flags
);
728 dev_info(dev
, "registered SPROM for [%x:%x]\n",
729 priv
->pci_bus
, priv
->pci_dev
);
734 static const struct of_device_id ssb_fbs_of_match
[] = {
735 { .compatible
= "brcm,ssb-sprom", },
738 MODULE_DEVICE_TABLE(of
, ssb_fbs_of_match
);
740 static struct platform_driver ssb_fbs_driver
= {
741 .probe
= ssb_fbs_probe
,
744 .of_match_table
= ssb_fbs_of_match
,
748 int __init
ssb_fbs_register(void)
750 return platform_driver_register(&ssb_fbs_driver
);