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
)
62 if (bus
->bustype
!= SSB_BUSTYPE_PCI
)
65 pci_bus
= bus
->host_pci
->bus
->number
;
66 pci_dev
= PCI_SLOT(bus
->host_pci
->devfn
);
68 list_for_each_entry(pos
, &ssb_fbs_list
, list
) {
69 if (pos
->pci_bus
!= pci_bus
||
70 pos
->pci_dev
!= pci_dev
)
73 if (pos
->devid_override
)
74 bus
->host_pci
->device
= pos
->sprom
.dev_id
;
76 memcpy(out
, &pos
->sprom
, sizeof(struct ssb_sprom
));
77 dev_info(pos
->dev
, "requested by [%x:%x]",
78 pos
->pci_bus
, pos
->pci_dev
);
83 pr_err("unable to fill SPROM for [%x:%x]\n", pci_bus
, pci_dev
);
88 static s8
sprom_extract_antgain(u8 sprom_revision
, const u16
*in
, u16 offset
,
94 v
= in
[SPOFF(offset
)];
95 gain
= (v
& mask
) >> shift
;
97 gain
= 2; /* If unset use 2dBm */
98 if (sprom_revision
== 1) {
102 /* Q5.2 Fractional part is stored in 0xC0 */
103 gain
= ((gain
& 0xC0) >> 6) | ((gain
& 0x3F) << 2);
109 static void sprom_extract_r23(struct ssb_sprom
*out
, const u16
*in
)
111 SPEX(boardflags_hi
, SSB_SPROM2_BFLHI
, 0xFFFF, 0);
112 SPEX(opo
, SSB_SPROM2_OPO
, SSB_SPROM2_OPO_VALUE
, 0);
113 SPEX(pa1lob0
, SSB_SPROM2_PA1LOB0
, 0xFFFF, 0);
114 SPEX(pa1lob1
, SSB_SPROM2_PA1LOB1
, 0xFFFF, 0);
115 SPEX(pa1lob2
, SSB_SPROM2_PA1LOB2
, 0xFFFF, 0);
116 SPEX(pa1hib0
, SSB_SPROM2_PA1HIB0
, 0xFFFF, 0);
117 SPEX(pa1hib1
, SSB_SPROM2_PA1HIB1
, 0xFFFF, 0);
118 SPEX(pa1hib2
, SSB_SPROM2_PA1HIB2
, 0xFFFF, 0);
119 SPEX(maxpwr_ah
, SSB_SPROM2_MAXP_A
, SSB_SPROM2_MAXP_A_HI
, 0);
120 SPEX(maxpwr_al
, SSB_SPROM2_MAXP_A
, SSB_SPROM2_MAXP_A_LO
,
121 SSB_SPROM2_MAXP_A_LO_SHIFT
);
124 static void sprom_extract_r123(struct ssb_sprom
*out
, const u16
*in
)
126 SPEX(et0phyaddr
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET0A
, 0);
127 SPEX(et1phyaddr
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET1A
,
128 SSB_SPROM1_ETHPHY_ET1A_SHIFT
);
129 SPEX(et0mdcport
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET0M
, 14);
130 SPEX(et1mdcport
, SSB_SPROM1_ETHPHY
, SSB_SPROM1_ETHPHY_ET1M
, 15);
131 SPEX(board_rev
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_BREV
, 0);
132 SPEX(board_type
, SSB_SPROM1_SPID
, 0xFFFF, 0);
133 if (out
->revision
== 1)
134 SPEX(country_code
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_CCODE
,
135 SSB_SPROM1_BINF_CCODE_SHIFT
);
136 SPEX(ant_available_a
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_ANTA
,
137 SSB_SPROM1_BINF_ANTA_SHIFT
);
138 SPEX(ant_available_bg
, SSB_SPROM1_BINF
, SSB_SPROM1_BINF_ANTBG
,
139 SSB_SPROM1_BINF_ANTBG_SHIFT
);
140 SPEX(pa0b0
, SSB_SPROM1_PA0B0
, 0xFFFF, 0);
141 SPEX(pa0b1
, SSB_SPROM1_PA0B1
, 0xFFFF, 0);
142 SPEX(pa0b2
, SSB_SPROM1_PA0B2
, 0xFFFF, 0);
143 SPEX(pa1b0
, SSB_SPROM1_PA1B0
, 0xFFFF, 0);
144 SPEX(pa1b1
, SSB_SPROM1_PA1B1
, 0xFFFF, 0);
145 SPEX(pa1b2
, SSB_SPROM1_PA1B2
, 0xFFFF, 0);
146 SPEX(gpio0
, SSB_SPROM1_GPIOA
, SSB_SPROM1_GPIOA_P0
, 0);
147 SPEX(gpio1
, SSB_SPROM1_GPIOA
, SSB_SPROM1_GPIOA_P1
,
148 SSB_SPROM1_GPIOA_P1_SHIFT
);
149 SPEX(gpio2
, SSB_SPROM1_GPIOB
, SSB_SPROM1_GPIOB_P2
, 0);
150 SPEX(gpio3
, SSB_SPROM1_GPIOB
, SSB_SPROM1_GPIOB_P3
,
151 SSB_SPROM1_GPIOB_P3_SHIFT
);
152 SPEX(maxpwr_a
, SSB_SPROM1_MAXPWR
, SSB_SPROM1_MAXPWR_A
,
153 SSB_SPROM1_MAXPWR_A_SHIFT
);
154 SPEX(maxpwr_bg
, SSB_SPROM1_MAXPWR
, SSB_SPROM1_MAXPWR_BG
, 0);
155 SPEX(itssi_a
, SSB_SPROM1_ITSSI
, SSB_SPROM1_ITSSI_A
,
156 SSB_SPROM1_ITSSI_A_SHIFT
);
157 SPEX(itssi_bg
, SSB_SPROM1_ITSSI
, SSB_SPROM1_ITSSI_BG
, 0);
158 SPEX(boardflags_lo
, SSB_SPROM1_BFLLO
, 0xFFFF, 0);
160 SPEX(alpha2
[0], SSB_SPROM1_CCODE
, 0xff00, 8);
161 SPEX(alpha2
[1], SSB_SPROM1_CCODE
, 0x00ff, 0);
163 /* Extract the antenna gain values. */
164 out
->antenna_gain
.a0
= sprom_extract_antgain(out
->revision
, in
,
167 SSB_SPROM1_AGAIN_BG_SHIFT
);
168 out
->antenna_gain
.a1
= sprom_extract_antgain(out
->revision
, in
,
171 SSB_SPROM1_AGAIN_A_SHIFT
);
172 if (out
->revision
>= 2)
173 sprom_extract_r23(out
, in
);
176 /* Revs 4 5 and 8 have partially shared layout */
177 static void sprom_extract_r458(struct ssb_sprom
*out
, const u16
*in
)
179 SPEX(txpid2g
[0], SSB_SPROM4_TXPID2G01
,
180 SSB_SPROM4_TXPID2G0
, SSB_SPROM4_TXPID2G0_SHIFT
);
181 SPEX(txpid2g
[1], SSB_SPROM4_TXPID2G01
,
182 SSB_SPROM4_TXPID2G1
, SSB_SPROM4_TXPID2G1_SHIFT
);
183 SPEX(txpid2g
[2], SSB_SPROM4_TXPID2G23
,
184 SSB_SPROM4_TXPID2G2
, SSB_SPROM4_TXPID2G2_SHIFT
);
185 SPEX(txpid2g
[3], SSB_SPROM4_TXPID2G23
,
186 SSB_SPROM4_TXPID2G3
, SSB_SPROM4_TXPID2G3_SHIFT
);
188 SPEX(txpid5gl
[0], SSB_SPROM4_TXPID5GL01
,
189 SSB_SPROM4_TXPID5GL0
, SSB_SPROM4_TXPID5GL0_SHIFT
);
190 SPEX(txpid5gl
[1], SSB_SPROM4_TXPID5GL01
,
191 SSB_SPROM4_TXPID5GL1
, SSB_SPROM4_TXPID5GL1_SHIFT
);
192 SPEX(txpid5gl
[2], SSB_SPROM4_TXPID5GL23
,
193 SSB_SPROM4_TXPID5GL2
, SSB_SPROM4_TXPID5GL2_SHIFT
);
194 SPEX(txpid5gl
[3], SSB_SPROM4_TXPID5GL23
,
195 SSB_SPROM4_TXPID5GL3
, SSB_SPROM4_TXPID5GL3_SHIFT
);
197 SPEX(txpid5g
[0], SSB_SPROM4_TXPID5G01
,
198 SSB_SPROM4_TXPID5G0
, SSB_SPROM4_TXPID5G0_SHIFT
);
199 SPEX(txpid5g
[1], SSB_SPROM4_TXPID5G01
,
200 SSB_SPROM4_TXPID5G1
, SSB_SPROM4_TXPID5G1_SHIFT
);
201 SPEX(txpid5g
[2], SSB_SPROM4_TXPID5G23
,
202 SSB_SPROM4_TXPID5G2
, SSB_SPROM4_TXPID5G2_SHIFT
);
203 SPEX(txpid5g
[3], SSB_SPROM4_TXPID5G23
,
204 SSB_SPROM4_TXPID5G3
, SSB_SPROM4_TXPID5G3_SHIFT
);
206 SPEX(txpid5gh
[0], SSB_SPROM4_TXPID5GH01
,
207 SSB_SPROM4_TXPID5GH0
, SSB_SPROM4_TXPID5GH0_SHIFT
);
208 SPEX(txpid5gh
[1], SSB_SPROM4_TXPID5GH01
,
209 SSB_SPROM4_TXPID5GH1
, SSB_SPROM4_TXPID5GH1_SHIFT
);
210 SPEX(txpid5gh
[2], SSB_SPROM4_TXPID5GH23
,
211 SSB_SPROM4_TXPID5GH2
, SSB_SPROM4_TXPID5GH2_SHIFT
);
212 SPEX(txpid5gh
[3], SSB_SPROM4_TXPID5GH23
,
213 SSB_SPROM4_TXPID5GH3
, SSB_SPROM4_TXPID5GH3_SHIFT
);
216 static void sprom_extract_r45(struct ssb_sprom
*out
, const u16
*in
)
218 static const u16 pwr_info_offset
[] = {
219 SSB_SPROM4_PWR_INFO_CORE0
, SSB_SPROM4_PWR_INFO_CORE1
,
220 SSB_SPROM4_PWR_INFO_CORE2
, SSB_SPROM4_PWR_INFO_CORE3
224 BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset
) !=
225 ARRAY_SIZE(out
->core_pwr_info
));
227 SPEX(et0phyaddr
, SSB_SPROM4_ETHPHY
, SSB_SPROM4_ETHPHY_ET0A
, 0);
228 SPEX(et1phyaddr
, SSB_SPROM4_ETHPHY
, SSB_SPROM4_ETHPHY_ET1A
,
229 SSB_SPROM4_ETHPHY_ET1A_SHIFT
);
230 SPEX(board_rev
, SSB_SPROM4_BOARDREV
, 0xFFFF, 0);
231 SPEX(board_type
, SSB_SPROM1_SPID
, 0xFFFF, 0);
232 if (out
->revision
== 4) {
233 SPEX(alpha2
[0], SSB_SPROM4_CCODE
, 0xff00, 8);
234 SPEX(alpha2
[1], SSB_SPROM4_CCODE
, 0x00ff, 0);
235 SPEX(boardflags_lo
, SSB_SPROM4_BFLLO
, 0xFFFF, 0);
236 SPEX(boardflags_hi
, SSB_SPROM4_BFLHI
, 0xFFFF, 0);
237 SPEX(boardflags2_lo
, SSB_SPROM4_BFL2LO
, 0xFFFF, 0);
238 SPEX(boardflags2_hi
, SSB_SPROM4_BFL2HI
, 0xFFFF, 0);
240 SPEX(alpha2
[0], SSB_SPROM5_CCODE
, 0xff00, 8);
241 SPEX(alpha2
[1], SSB_SPROM5_CCODE
, 0x00ff, 0);
242 SPEX(boardflags_lo
, SSB_SPROM5_BFLLO
, 0xFFFF, 0);
243 SPEX(boardflags_hi
, SSB_SPROM5_BFLHI
, 0xFFFF, 0);
244 SPEX(boardflags2_lo
, SSB_SPROM5_BFL2LO
, 0xFFFF, 0);
245 SPEX(boardflags2_hi
, SSB_SPROM5_BFL2HI
, 0xFFFF, 0);
247 SPEX(ant_available_a
, SSB_SPROM4_ANTAVAIL
, SSB_SPROM4_ANTAVAIL_A
,
248 SSB_SPROM4_ANTAVAIL_A_SHIFT
);
249 SPEX(ant_available_bg
, SSB_SPROM4_ANTAVAIL
, SSB_SPROM4_ANTAVAIL_BG
,
250 SSB_SPROM4_ANTAVAIL_BG_SHIFT
);
251 SPEX(maxpwr_bg
, SSB_SPROM4_MAXP_BG
, SSB_SPROM4_MAXP_BG_MASK
, 0);
252 SPEX(itssi_bg
, SSB_SPROM4_MAXP_BG
, SSB_SPROM4_ITSSI_BG
,
253 SSB_SPROM4_ITSSI_BG_SHIFT
);
254 SPEX(maxpwr_a
, SSB_SPROM4_MAXP_A
, SSB_SPROM4_MAXP_A_MASK
, 0);
255 SPEX(itssi_a
, SSB_SPROM4_MAXP_A
, SSB_SPROM4_ITSSI_A
,
256 SSB_SPROM4_ITSSI_A_SHIFT
);
257 if (out
->revision
== 4) {
258 SPEX(gpio0
, SSB_SPROM4_GPIOA
, SSB_SPROM4_GPIOA_P0
, 0);
259 SPEX(gpio1
, SSB_SPROM4_GPIOA
, SSB_SPROM4_GPIOA_P1
,
260 SSB_SPROM4_GPIOA_P1_SHIFT
);
261 SPEX(gpio2
, SSB_SPROM4_GPIOB
, SSB_SPROM4_GPIOB_P2
, 0);
262 SPEX(gpio3
, SSB_SPROM4_GPIOB
, SSB_SPROM4_GPIOB_P3
,
263 SSB_SPROM4_GPIOB_P3_SHIFT
);
265 SPEX(gpio0
, SSB_SPROM5_GPIOA
, SSB_SPROM5_GPIOA_P0
, 0);
266 SPEX(gpio1
, SSB_SPROM5_GPIOA
, SSB_SPROM5_GPIOA_P1
,
267 SSB_SPROM5_GPIOA_P1_SHIFT
);
268 SPEX(gpio2
, SSB_SPROM5_GPIOB
, SSB_SPROM5_GPIOB_P2
, 0);
269 SPEX(gpio3
, SSB_SPROM5_GPIOB
, SSB_SPROM5_GPIOB_P3
,
270 SSB_SPROM5_GPIOB_P3_SHIFT
);
273 /* Extract the antenna gain values. */
274 out
->antenna_gain
.a0
= sprom_extract_antgain(out
->revision
, in
,
277 SSB_SPROM4_AGAIN0_SHIFT
);
278 out
->antenna_gain
.a1
= sprom_extract_antgain(out
->revision
, in
,
281 SSB_SPROM4_AGAIN1_SHIFT
);
282 out
->antenna_gain
.a2
= sprom_extract_antgain(out
->revision
, in
,
285 SSB_SPROM4_AGAIN2_SHIFT
);
286 out
->antenna_gain
.a3
= sprom_extract_antgain(out
->revision
, in
,
289 SSB_SPROM4_AGAIN3_SHIFT
);
291 /* Extract cores power info info */
292 for (i
= 0; i
< ARRAY_SIZE(pwr_info_offset
); i
++) {
293 u16 o
= pwr_info_offset
[i
];
295 SPEX(core_pwr_info
[i
].itssi_2g
, o
+ SSB_SPROM4_2G_MAXP_ITSSI
,
296 SSB_SPROM4_2G_ITSSI
, SSB_SPROM4_2G_ITSSI_SHIFT
);
297 SPEX(core_pwr_info
[i
].maxpwr_2g
, o
+ SSB_SPROM4_2G_MAXP_ITSSI
,
298 SSB_SPROM4_2G_MAXP
, 0);
300 SPEX(core_pwr_info
[i
].pa_2g
[0], o
+ SSB_SPROM4_2G_PA_0
, ~0, 0);
301 SPEX(core_pwr_info
[i
].pa_2g
[1], o
+ SSB_SPROM4_2G_PA_1
, ~0, 0);
302 SPEX(core_pwr_info
[i
].pa_2g
[2], o
+ SSB_SPROM4_2G_PA_2
, ~0, 0);
303 SPEX(core_pwr_info
[i
].pa_2g
[3], o
+ SSB_SPROM4_2G_PA_3
, ~0, 0);
305 SPEX(core_pwr_info
[i
].itssi_5g
, o
+ SSB_SPROM4_5G_MAXP_ITSSI
,
306 SSB_SPROM4_5G_ITSSI
, SSB_SPROM4_5G_ITSSI_SHIFT
);
307 SPEX(core_pwr_info
[i
].maxpwr_5g
, o
+ SSB_SPROM4_5G_MAXP_ITSSI
,
308 SSB_SPROM4_5G_MAXP
, 0);
309 SPEX(core_pwr_info
[i
].maxpwr_5gh
, o
+ SSB_SPROM4_5GHL_MAXP
,
310 SSB_SPROM4_5GH_MAXP
, 0);
311 SPEX(core_pwr_info
[i
].maxpwr_5gl
, o
+ SSB_SPROM4_5GHL_MAXP
,
312 SSB_SPROM4_5GL_MAXP
, SSB_SPROM4_5GL_MAXP_SHIFT
);
314 SPEX(core_pwr_info
[i
].pa_5gl
[0], o
+ SSB_SPROM4_5GL_PA_0
, ~0, 0);
315 SPEX(core_pwr_info
[i
].pa_5gl
[1], o
+ SSB_SPROM4_5GL_PA_1
, ~0, 0);
316 SPEX(core_pwr_info
[i
].pa_5gl
[2], o
+ SSB_SPROM4_5GL_PA_2
, ~0, 0);
317 SPEX(core_pwr_info
[i
].pa_5gl
[3], o
+ SSB_SPROM4_5GL_PA_3
, ~0, 0);
318 SPEX(core_pwr_info
[i
].pa_5g
[0], o
+ SSB_SPROM4_5G_PA_0
, ~0, 0);
319 SPEX(core_pwr_info
[i
].pa_5g
[1], o
+ SSB_SPROM4_5G_PA_1
, ~0, 0);
320 SPEX(core_pwr_info
[i
].pa_5g
[2], o
+ SSB_SPROM4_5G_PA_2
, ~0, 0);
321 SPEX(core_pwr_info
[i
].pa_5g
[3], o
+ SSB_SPROM4_5G_PA_3
, ~0, 0);
322 SPEX(core_pwr_info
[i
].pa_5gh
[0], o
+ SSB_SPROM4_5GH_PA_0
, ~0, 0);
323 SPEX(core_pwr_info
[i
].pa_5gh
[1], o
+ SSB_SPROM4_5GH_PA_1
, ~0, 0);
324 SPEX(core_pwr_info
[i
].pa_5gh
[2], o
+ SSB_SPROM4_5GH_PA_2
, ~0, 0);
325 SPEX(core_pwr_info
[i
].pa_5gh
[3], o
+ SSB_SPROM4_5GH_PA_3
, ~0, 0);
328 sprom_extract_r458(out
, in
);
330 /* TODO - get remaining rev 4 stuff needed */
333 static void sprom_extract_r8(struct ssb_sprom
*out
, const u16
*in
)
337 static const u16 pwr_info_offset
[] = {
338 SSB_SROM8_PWR_INFO_CORE0
, SSB_SROM8_PWR_INFO_CORE1
,
339 SSB_SROM8_PWR_INFO_CORE2
, SSB_SROM8_PWR_INFO_CORE3
341 BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset
) !=
342 ARRAY_SIZE(out
->core_pwr_info
));
344 SPEX(board_rev
, SSB_SPROM8_BOARDREV
, 0xFFFF, 0);
345 SPEX(board_type
, SSB_SPROM1_SPID
, 0xFFFF, 0);
346 SPEX(alpha2
[0], SSB_SPROM8_CCODE
, 0xff00, 8);
347 SPEX(alpha2
[1], SSB_SPROM8_CCODE
, 0x00ff, 0);
348 SPEX(boardflags_lo
, SSB_SPROM8_BFLLO
, 0xFFFF, 0);
349 SPEX(boardflags_hi
, SSB_SPROM8_BFLHI
, 0xFFFF, 0);
350 SPEX(boardflags2_lo
, SSB_SPROM8_BFL2LO
, 0xFFFF, 0);
351 SPEX(boardflags2_hi
, SSB_SPROM8_BFL2HI
, 0xFFFF, 0);
352 SPEX(ant_available_a
, SSB_SPROM8_ANTAVAIL
, SSB_SPROM8_ANTAVAIL_A
,
353 SSB_SPROM8_ANTAVAIL_A_SHIFT
);
354 SPEX(ant_available_bg
, SSB_SPROM8_ANTAVAIL
, SSB_SPROM8_ANTAVAIL_BG
,
355 SSB_SPROM8_ANTAVAIL_BG_SHIFT
);
356 SPEX(maxpwr_bg
, SSB_SPROM8_MAXP_BG
, SSB_SPROM8_MAXP_BG_MASK
, 0);
357 SPEX(itssi_bg
, SSB_SPROM8_MAXP_BG
, SSB_SPROM8_ITSSI_BG
,
358 SSB_SPROM8_ITSSI_BG_SHIFT
);
359 SPEX(maxpwr_a
, SSB_SPROM8_MAXP_A
, SSB_SPROM8_MAXP_A_MASK
, 0);
360 SPEX(itssi_a
, SSB_SPROM8_MAXP_A
, SSB_SPROM8_ITSSI_A
,
361 SSB_SPROM8_ITSSI_A_SHIFT
);
362 SPEX(maxpwr_ah
, SSB_SPROM8_MAXP_AHL
, SSB_SPROM8_MAXP_AH_MASK
, 0);
363 SPEX(maxpwr_al
, SSB_SPROM8_MAXP_AHL
, SSB_SPROM8_MAXP_AL_MASK
,
364 SSB_SPROM8_MAXP_AL_SHIFT
);
365 SPEX(gpio0
, SSB_SPROM8_GPIOA
, SSB_SPROM8_GPIOA_P0
, 0);
366 SPEX(gpio1
, SSB_SPROM8_GPIOA
, SSB_SPROM8_GPIOA_P1
,
367 SSB_SPROM8_GPIOA_P1_SHIFT
);
368 SPEX(gpio2
, SSB_SPROM8_GPIOB
, SSB_SPROM8_GPIOB_P2
, 0);
369 SPEX(gpio3
, SSB_SPROM8_GPIOB
, SSB_SPROM8_GPIOB_P3
,
370 SSB_SPROM8_GPIOB_P3_SHIFT
);
371 SPEX(tri2g
, SSB_SPROM8_TRI25G
, SSB_SPROM8_TRI2G
, 0);
372 SPEX(tri5g
, SSB_SPROM8_TRI25G
, SSB_SPROM8_TRI5G
,
373 SSB_SPROM8_TRI5G_SHIFT
);
374 SPEX(tri5gl
, SSB_SPROM8_TRI5GHL
, SSB_SPROM8_TRI5GL
, 0);
375 SPEX(tri5gh
, SSB_SPROM8_TRI5GHL
, SSB_SPROM8_TRI5GH
,
376 SSB_SPROM8_TRI5GH_SHIFT
);
377 SPEX(rxpo2g
, SSB_SPROM8_RXPO
, SSB_SPROM8_RXPO2G
, 0);
378 SPEX(rxpo5g
, SSB_SPROM8_RXPO
, SSB_SPROM8_RXPO5G
,
379 SSB_SPROM8_RXPO5G_SHIFT
);
380 SPEX(rssismf2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_RSSISMF2G
, 0);
381 SPEX(rssismc2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_RSSISMC2G
,
382 SSB_SPROM8_RSSISMC2G_SHIFT
);
383 SPEX(rssisav2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_RSSISAV2G
,
384 SSB_SPROM8_RSSISAV2G_SHIFT
);
385 SPEX(bxa2g
, SSB_SPROM8_RSSIPARM2G
, SSB_SPROM8_BXA2G
,
386 SSB_SPROM8_BXA2G_SHIFT
);
387 SPEX(rssismf5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_RSSISMF5G
, 0);
388 SPEX(rssismc5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_RSSISMC5G
,
389 SSB_SPROM8_RSSISMC5G_SHIFT
);
390 SPEX(rssisav5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_RSSISAV5G
,
391 SSB_SPROM8_RSSISAV5G_SHIFT
);
392 SPEX(bxa5g
, SSB_SPROM8_RSSIPARM5G
, SSB_SPROM8_BXA5G
,
393 SSB_SPROM8_BXA5G_SHIFT
);
394 SPEX(pa0b0
, SSB_SPROM8_PA0B0
, 0xFFFF, 0);
395 SPEX(pa0b1
, SSB_SPROM8_PA0B1
, 0xFFFF, 0);
396 SPEX(pa0b2
, SSB_SPROM8_PA0B2
, 0xFFFF, 0);
397 SPEX(pa1b0
, SSB_SPROM8_PA1B0
, 0xFFFF, 0);
398 SPEX(pa1b1
, SSB_SPROM8_PA1B1
, 0xFFFF, 0);
399 SPEX(pa1b2
, SSB_SPROM8_PA1B2
, 0xFFFF, 0);
400 SPEX(pa1lob0
, SSB_SPROM8_PA1LOB0
, 0xFFFF, 0);
401 SPEX(pa1lob1
, SSB_SPROM8_PA1LOB1
, 0xFFFF, 0);
402 SPEX(pa1lob2
, SSB_SPROM8_PA1LOB2
, 0xFFFF, 0);
403 SPEX(pa1hib0
, SSB_SPROM8_PA1HIB0
, 0xFFFF, 0);
404 SPEX(pa1hib1
, SSB_SPROM8_PA1HIB1
, 0xFFFF, 0);
405 SPEX(pa1hib2
, SSB_SPROM8_PA1HIB2
, 0xFFFF, 0);
406 SPEX(cck2gpo
, SSB_SPROM8_CCK2GPO
, 0xFFFF, 0);
407 SPEX32(ofdm2gpo
, SSB_SPROM8_OFDM2GPO
, 0xFFFFFFFF, 0);
408 SPEX32(ofdm5glpo
, SSB_SPROM8_OFDM5GLPO
, 0xFFFFFFFF, 0);
409 SPEX32(ofdm5gpo
, SSB_SPROM8_OFDM5GPO
, 0xFFFFFFFF, 0);
410 SPEX32(ofdm5ghpo
, SSB_SPROM8_OFDM5GHPO
, 0xFFFFFFFF, 0);
412 /* Extract the antenna gain values. */
413 out
->antenna_gain
.a0
= sprom_extract_antgain(out
->revision
, in
,
416 SSB_SPROM8_AGAIN0_SHIFT
);
417 out
->antenna_gain
.a1
= sprom_extract_antgain(out
->revision
, in
,
420 SSB_SPROM8_AGAIN1_SHIFT
);
421 out
->antenna_gain
.a2
= sprom_extract_antgain(out
->revision
, in
,
424 SSB_SPROM8_AGAIN2_SHIFT
);
425 out
->antenna_gain
.a3
= sprom_extract_antgain(out
->revision
, in
,
428 SSB_SPROM8_AGAIN3_SHIFT
);
430 /* Extract cores power info info */
431 for (i
= 0; i
< ARRAY_SIZE(pwr_info_offset
); i
++) {
432 o
= pwr_info_offset
[i
];
433 SPEX(core_pwr_info
[i
].itssi_2g
, o
+ SSB_SROM8_2G_MAXP_ITSSI
,
434 SSB_SPROM8_2G_ITSSI
, SSB_SPROM8_2G_ITSSI_SHIFT
);
435 SPEX(core_pwr_info
[i
].maxpwr_2g
, o
+ SSB_SROM8_2G_MAXP_ITSSI
,
436 SSB_SPROM8_2G_MAXP
, 0);
438 SPEX(core_pwr_info
[i
].pa_2g
[0], o
+ SSB_SROM8_2G_PA_0
, ~0, 0);
439 SPEX(core_pwr_info
[i
].pa_2g
[1], o
+ SSB_SROM8_2G_PA_1
, ~0, 0);
440 SPEX(core_pwr_info
[i
].pa_2g
[2], o
+ SSB_SROM8_2G_PA_2
, ~0, 0);
442 SPEX(core_pwr_info
[i
].itssi_5g
, o
+ SSB_SROM8_5G_MAXP_ITSSI
,
443 SSB_SPROM8_5G_ITSSI
, SSB_SPROM8_5G_ITSSI_SHIFT
);
444 SPEX(core_pwr_info
[i
].maxpwr_5g
, o
+ SSB_SROM8_5G_MAXP_ITSSI
,
445 SSB_SPROM8_5G_MAXP
, 0);
446 SPEX(core_pwr_info
[i
].maxpwr_5gh
, o
+ SSB_SPROM8_5GHL_MAXP
,
447 SSB_SPROM8_5GH_MAXP
, 0);
448 SPEX(core_pwr_info
[i
].maxpwr_5gl
, o
+ SSB_SPROM8_5GHL_MAXP
,
449 SSB_SPROM8_5GL_MAXP
, SSB_SPROM8_5GL_MAXP_SHIFT
);
451 SPEX(core_pwr_info
[i
].pa_5gl
[0], o
+ SSB_SROM8_5GL_PA_0
, ~0, 0);
452 SPEX(core_pwr_info
[i
].pa_5gl
[1], o
+ SSB_SROM8_5GL_PA_1
, ~0, 0);
453 SPEX(core_pwr_info
[i
].pa_5gl
[2], o
+ SSB_SROM8_5GL_PA_2
, ~0, 0);
454 SPEX(core_pwr_info
[i
].pa_5g
[0], o
+ SSB_SROM8_5G_PA_0
, ~0, 0);
455 SPEX(core_pwr_info
[i
].pa_5g
[1], o
+ SSB_SROM8_5G_PA_1
, ~0, 0);
456 SPEX(core_pwr_info
[i
].pa_5g
[2], o
+ SSB_SROM8_5G_PA_2
, ~0, 0);
457 SPEX(core_pwr_info
[i
].pa_5gh
[0], o
+ SSB_SROM8_5GH_PA_0
, ~0, 0);
458 SPEX(core_pwr_info
[i
].pa_5gh
[1], o
+ SSB_SROM8_5GH_PA_1
, ~0, 0);
459 SPEX(core_pwr_info
[i
].pa_5gh
[2], o
+ SSB_SROM8_5GH_PA_2
, ~0, 0);
462 /* Extract FEM info */
463 SPEX(fem
.ghz2
.tssipos
, SSB_SPROM8_FEM2G
,
464 SSB_SROM8_FEM_TSSIPOS
, SSB_SROM8_FEM_TSSIPOS_SHIFT
);
465 SPEX(fem
.ghz2
.extpa_gain
, SSB_SPROM8_FEM2G
,
466 SSB_SROM8_FEM_EXTPA_GAIN
, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT
);
467 SPEX(fem
.ghz2
.pdet_range
, SSB_SPROM8_FEM2G
,
468 SSB_SROM8_FEM_PDET_RANGE
, SSB_SROM8_FEM_PDET_RANGE_SHIFT
);
469 SPEX(fem
.ghz2
.tr_iso
, SSB_SPROM8_FEM2G
,
470 SSB_SROM8_FEM_TR_ISO
, SSB_SROM8_FEM_TR_ISO_SHIFT
);
471 SPEX(fem
.ghz2
.antswlut
, SSB_SPROM8_FEM2G
,
472 SSB_SROM8_FEM_ANTSWLUT
, SSB_SROM8_FEM_ANTSWLUT_SHIFT
);
474 SPEX(fem
.ghz5
.tssipos
, SSB_SPROM8_FEM5G
,
475 SSB_SROM8_FEM_TSSIPOS
, SSB_SROM8_FEM_TSSIPOS_SHIFT
);
476 SPEX(fem
.ghz5
.extpa_gain
, SSB_SPROM8_FEM5G
,
477 SSB_SROM8_FEM_EXTPA_GAIN
, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT
);
478 SPEX(fem
.ghz5
.pdet_range
, SSB_SPROM8_FEM5G
,
479 SSB_SROM8_FEM_PDET_RANGE
, SSB_SROM8_FEM_PDET_RANGE_SHIFT
);
480 SPEX(fem
.ghz5
.tr_iso
, SSB_SPROM8_FEM5G
,
481 SSB_SROM8_FEM_TR_ISO
, SSB_SROM8_FEM_TR_ISO_SHIFT
);
482 SPEX(fem
.ghz5
.antswlut
, SSB_SPROM8_FEM5G
,
483 SSB_SROM8_FEM_ANTSWLUT
, SSB_SROM8_FEM_ANTSWLUT_SHIFT
);
485 SPEX(leddc_on_time
, SSB_SPROM8_LEDDC
, SSB_SPROM8_LEDDC_ON
,
486 SSB_SPROM8_LEDDC_ON_SHIFT
);
487 SPEX(leddc_off_time
, SSB_SPROM8_LEDDC
, SSB_SPROM8_LEDDC_OFF
,
488 SSB_SPROM8_LEDDC_OFF_SHIFT
);
490 SPEX(txchain
, SSB_SPROM8_TXRXC
, SSB_SPROM8_TXRXC_TXCHAIN
,
491 SSB_SPROM8_TXRXC_TXCHAIN_SHIFT
);
492 SPEX(rxchain
, SSB_SPROM8_TXRXC
, SSB_SPROM8_TXRXC_RXCHAIN
,
493 SSB_SPROM8_TXRXC_RXCHAIN_SHIFT
);
494 SPEX(antswitch
, SSB_SPROM8_TXRXC
, SSB_SPROM8_TXRXC_SWITCH
,
495 SSB_SPROM8_TXRXC_SWITCH_SHIFT
);
497 SPEX(opo
, SSB_SPROM8_OFDM2GPO
, 0x00ff, 0);
499 SPEX_ARRAY8(mcs2gpo
, SSB_SPROM8_2G_MCSPO
, ~0, 0);
500 SPEX_ARRAY8(mcs5gpo
, SSB_SPROM8_5G_MCSPO
, ~0, 0);
501 SPEX_ARRAY8(mcs5glpo
, SSB_SPROM8_5GL_MCSPO
, ~0, 0);
502 SPEX_ARRAY8(mcs5ghpo
, SSB_SPROM8_5GH_MCSPO
, ~0, 0);
504 SPEX(rawtempsense
, SSB_SPROM8_RAWTS
, SSB_SPROM8_RAWTS_RAWTEMP
,
505 SSB_SPROM8_RAWTS_RAWTEMP_SHIFT
);
506 SPEX(measpower
, SSB_SPROM8_RAWTS
, SSB_SPROM8_RAWTS_MEASPOWER
,
507 SSB_SPROM8_RAWTS_MEASPOWER_SHIFT
);
508 SPEX(tempsense_slope
, SSB_SPROM8_OPT_CORRX
,
509 SSB_SPROM8_OPT_CORRX_TEMP_SLOPE
,
510 SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT
);
511 SPEX(tempcorrx
, SSB_SPROM8_OPT_CORRX
, SSB_SPROM8_OPT_CORRX_TEMPCORRX
,
512 SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT
);
513 SPEX(tempsense_option
, SSB_SPROM8_OPT_CORRX
,
514 SSB_SPROM8_OPT_CORRX_TEMP_OPTION
,
515 SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT
);
516 SPEX(freqoffset_corr
, SSB_SPROM8_HWIQ_IQSWP
,
517 SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR
,
518 SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT
);
519 SPEX(iqcal_swp_dis
, SSB_SPROM8_HWIQ_IQSWP
,
520 SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP
,
521 SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT
);
522 SPEX(hw_iqcal_en
, SSB_SPROM8_HWIQ_IQSWP
, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL
,
523 SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT
);
525 SPEX(bw40po
, SSB_SPROM8_BW40PO
, ~0, 0);
526 SPEX(cddpo
, SSB_SPROM8_CDDPO
, ~0, 0);
527 SPEX(stbcpo
, SSB_SPROM8_STBCPO
, ~0, 0);
528 SPEX(bwduppo
, SSB_SPROM8_BWDUPPO
, ~0, 0);
530 SPEX(tempthresh
, SSB_SPROM8_THERMAL
, SSB_SPROM8_THERMAL_TRESH
,
531 SSB_SPROM8_THERMAL_TRESH_SHIFT
);
532 SPEX(tempoffset
, SSB_SPROM8_THERMAL
, SSB_SPROM8_THERMAL_OFFSET
,
533 SSB_SPROM8_THERMAL_OFFSET_SHIFT
);
534 SPEX(phycal_tempdelta
, SSB_SPROM8_TEMPDELTA
,
535 SSB_SPROM8_TEMPDELTA_PHYCAL
,
536 SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT
);
537 SPEX(temps_period
, SSB_SPROM8_TEMPDELTA
, SSB_SPROM8_TEMPDELTA_PERIOD
,
538 SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT
);
539 SPEX(temps_hysteresis
, SSB_SPROM8_TEMPDELTA
,
540 SSB_SPROM8_TEMPDELTA_HYSTERESIS
,
541 SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT
);
542 sprom_extract_r458(out
, in
);
544 /* TODO - get remaining rev 8 stuff needed */
547 static int sprom_extract(struct ssb_fbs
*priv
, const u16
*in
, u16 size
)
549 struct ssb_sprom
*out
= &priv
->sprom
;
551 memset(out
, 0, sizeof(*out
));
553 out
->revision
= in
[size
- 1] & 0x00FF;
555 switch (out
->revision
) {
559 sprom_extract_r123(out
, in
);
563 sprom_extract_r45(out
, in
);
566 sprom_extract_r8(out
, in
);
570 "Unsupported SPROM revision %d detected."
571 " Will extract v1\n",
574 sprom_extract_r123(out
, in
);
577 if (out
->boardflags_lo
== 0xFFFF)
578 out
->boardflags_lo
= 0; /* per specs */
579 if (out
->boardflags_hi
== 0xFFFF)
580 out
->boardflags_hi
= 0; /* per specs */
585 static void ssb_fbs_fixup(struct ssb_fbs
*priv
, u16
*sprom
)
587 struct device_node
*node
= priv
->dev
->of_node
;
588 u32 fixups
, off
, val
;
591 if (!of_get_property(node
, "brcm,sprom-fixups", &fixups
))
594 fixups
/= sizeof(u32
);
596 dev_info(priv
->dev
, "patching SPROM with %u fixups...\n", fixups
>> 1);
599 if (of_property_read_u32_index(node
, "brcm,sprom-fixups",
601 dev_err(priv
->dev
, "error reading fixup[%u] offset\n",
606 if (of_property_read_u32_index(node
, "brcm,sprom-fixups",
608 dev_err(priv
->dev
, "error reading fixup[%u] value\n",
613 dev_dbg(priv
->dev
, "fixup[%d]=0x%04x\n", off
, val
);
619 static bool sprom_override_devid(struct ssb_fbs
*priv
, struct ssb_sprom
*out
,
622 SPEX(dev_id
, SSB_SPROM1_PID
, 0xFFFF, 0);
623 return !!out
->dev_id
;
626 static int ssb_fbs_set(struct ssb_fbs
*priv
, struct device_node
*node
)
628 struct ssb_sprom
*sprom
= &priv
->sprom
;
629 const struct firmware
*fw
;
630 const char *sprom_name
;
633 if (of_property_read_string(node
, "brcm,sprom", &sprom_name
))
637 err
= request_firmware_direct(&fw
, sprom_name
, priv
->dev
);
639 dev_err(priv
->dev
, "%s load error\n", sprom_name
);
645 sprom
->revision
= 0x02;
646 sprom
->board_rev
= 0x0017;
647 sprom
->country_code
= 0x00;
648 sprom
->ant_available_bg
= 0x03;
649 sprom
->pa0b0
= 0x15ae;
650 sprom
->pa0b1
= 0xfa85;
651 sprom
->pa0b2
= 0xfe8d;
652 sprom
->pa1b0
= 0xffff;
653 sprom
->pa1b1
= 0xffff;
654 sprom
->pa1b2
= 0xffff;
659 sprom
->maxpwr_bg
= 0x4c;
660 sprom
->itssi_bg
= 0x00;
661 sprom
->boardflags_lo
= 0x2848;
662 sprom
->boardflags_hi
= 0x0000;
663 priv
->devid_override
= false;
665 dev_warn(priv
->dev
, "using basic SPROM\n");
667 size_t size
= min(fw
->size
, (size_t) SSB_FBS_MAX_SIZE
);
668 u16 tmp_sprom
[SSB_FBS_MAX_SIZE
>> 1];
671 for (i
= 0, j
= 0; i
< size
; i
+= 2, j
++)
672 tmp_sprom
[j
] = (fw
->data
[i
] << 8) | fw
->data
[i
+ 1];
674 release_firmware(fw
);
675 ssb_fbs_fixup(priv
, tmp_sprom
);
676 sprom_extract(priv
, tmp_sprom
, size
>> 1);
678 priv
->devid_override
= sprom_override_devid(priv
, sprom
,
685 static int ssb_fbs_probe(struct platform_device
*pdev
)
687 struct device
*dev
= &pdev
->dev
;
688 struct device_node
*node
= dev
->of_node
;
689 struct ssb_fbs
*priv
;
693 priv
= devm_kzalloc(dev
, sizeof(*priv
), GFP_KERNEL
);
699 ssb_fbs_set(priv
, node
);
701 of_property_read_u32(node
, "pci-bus", &priv
->pci_bus
);
702 of_property_read_u32(node
, "pci-dev", &priv
->pci_dev
);
704 of_get_mac_address(node
, mac
);
705 if (is_valid_ether_addr(mac
)) {
706 dev_info(dev
, "mtd mac %pM\n", mac
);
708 eth_random_addr(mac
);
709 dev_info(dev
, "random mac %pM\n", mac
);
712 memcpy(priv
->sprom
.il0mac
, mac
, ETH_ALEN
);
713 memcpy(priv
->sprom
.et0mac
, mac
, ETH_ALEN
);
714 memcpy(priv
->sprom
.et1mac
, mac
, ETH_ALEN
);
715 memcpy(priv
->sprom
.et2mac
, mac
, ETH_ALEN
);
717 spin_lock_irqsave(&ssb_fbs_lock
, flags
);
718 list_add(&priv
->list
, &ssb_fbs_list
);
719 spin_unlock_irqrestore(&ssb_fbs_lock
, flags
);
721 dev_info(dev
, "registered SPROM for [%x:%x]\n",
722 priv
->pci_bus
, priv
->pci_dev
);
727 static const struct of_device_id ssb_fbs_of_match
[] = {
728 { .compatible
= "brcm,ssb-sprom", },
731 MODULE_DEVICE_TABLE(of
, ssb_fbs_of_match
);
733 static struct platform_driver ssb_fbs_driver
= {
734 .probe
= ssb_fbs_probe
,
737 .of_match_table
= ssb_fbs_of_match
,
741 int __init
ssb_fbs_register(void)
743 return platform_driver_register(&ssb_fbs_driver
);