1 /*
2 * Sonics Silicon Backplane PCI-Hostbus related functions.
3 *
4 * Copyright (C) 2005-2006 Michael Buesch <m@bues.ch>
5 * Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
6 * Copyright (C) 2005 Stefano Brivio <st3@riseup.net>
7 * Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
8 * Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
9 *
10 * Derived from the Broadcom 4400 device driver.
11 * Copyright (C) 2002 David S. Miller (davem@redhat.com)
12 * Fixed by Pekka Pietikainen (pp@ee.oulu.fi)
13 * Copyright (C) 2006 Broadcom Corporation.
14 *
15 * Licensed under the GNU/GPL. See COPYING for details.
16 */
17
18 #include "ssb_private.h"
19
20 #include <linux/ssb/ssb.h>
21 #include <linux/ssb/ssb_regs.h>
22 #include <linux/slab.h>
23 #include <linux/pci.h>
24 #include <linux/delay.h>
25
26
27 /* Define the following to 1 to enable a printk on each coreswitch. */
28 #define SSB_VERBOSE_PCICORESWITCH_DEBUG 0
29
30
31 /* Lowlevel coreswitching */
ssb_pci_switch_coreidx(struct ssb_bus * bus,u8 coreidx)32 int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
33 {
34 int err;
35 int attempts = 0;
36 u32 cur_core;
37
38 while (1) {
39 err = pci_write_config_dword(bus->host_pci, SSB_BAR0_WIN,
40 (coreidx * SSB_CORE_SIZE)
41 + SSB_ENUM_BASE);
42 if (err)
43 goto error;
44 err = pci_read_config_dword(bus->host_pci, SSB_BAR0_WIN,
45 &cur_core);
46 if (err)
47 goto error;
48 cur_core = (cur_core - SSB_ENUM_BASE)
49 / SSB_CORE_SIZE;
50 if (cur_core == coreidx)
51 break;
52
53 if (attempts++ > SSB_BAR0_MAX_RETRIES)
54 goto error;
55 udelay(10);
56 }
57 return 0;
58 error:
59 pr_err("Failed to switch to core %u\n", coreidx);
60 return -ENODEV;
61 }
62
ssb_pci_switch_core(struct ssb_bus * bus,struct ssb_device * dev)63 int ssb_pci_switch_core(struct ssb_bus *bus,
64 struct ssb_device *dev)
65 {
66 int err;
67 unsigned long flags;
68
69 #if SSB_VERBOSE_PCICORESWITCH_DEBUG
70 pr_info("Switching to %s core, index %d\n",
71 ssb_core_name(dev->id.coreid), dev->core_index);
72 #endif
73
74 spin_lock_irqsave(&bus->bar_lock, flags);
75 err = ssb_pci_switch_coreidx(bus, dev->core_index);
76 if (!err)
77 bus->mapped_device = dev;
78 spin_unlock_irqrestore(&bus->bar_lock, flags);
79
80 return err;
81 }
82
83 /* Enable/disable the on board crystal oscillator and/or PLL. */
ssb_pci_xtal(struct ssb_bus * bus,u32 what,int turn_on)84 int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on)
85 {
86 int err;
87 u32 in, out, outenable;
88 u16 pci_status;
89
90 if (bus->bustype != SSB_BUSTYPE_PCI)
91 return 0;
92
93 err = pci_read_config_dword(bus->host_pci, SSB_GPIO_IN, &in);
94 if (err)
95 goto err_pci;
96 err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &out);
97 if (err)
98 goto err_pci;
99 err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, &outenable);
100 if (err)
101 goto err_pci;
102
103 outenable |= what;
104
105 if (turn_on) {
106 /* Avoid glitching the clock if GPRS is already using it.
107 * We can't actually read the state of the PLLPD so we infer it
108 * by the value of XTAL_PU which *is* readable via gpioin.
109 */
110 if (!(in & SSB_GPIO_XTAL)) {
111 if (what & SSB_GPIO_XTAL) {
112 /* Turn the crystal on */
113 out |= SSB_GPIO_XTAL;
114 if (what & SSB_GPIO_PLL)
115 out |= SSB_GPIO_PLL;
116 err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
117 if (err)
118 goto err_pci;
119 err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE,
120 outenable);
121 if (err)
122 goto err_pci;
123 msleep(1);
124 }
125 if (what & SSB_GPIO_PLL) {
126 /* Turn the PLL on */
127 out &= ~SSB_GPIO_PLL;
128 err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
129 if (err)
130 goto err_pci;
131 msleep(5);
132 }
133 }
134
135 err = pci_read_config_word(bus->host_pci, PCI_STATUS, &pci_status);
136 if (err)
137 goto err_pci;
138 pci_status &= ~PCI_STATUS_SIG_TARGET_ABORT;
139 err = pci_write_config_word(bus->host_pci, PCI_STATUS, pci_status);
140 if (err)
141 goto err_pci;
142 } else {
143 if (what & SSB_GPIO_XTAL) {
144 /* Turn the crystal off */
145 out &= ~SSB_GPIO_XTAL;
146 }
147 if (what & SSB_GPIO_PLL) {
148 /* Turn the PLL off */
149 out |= SSB_GPIO_PLL;
150 }
151 err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
152 if (err)
153 goto err_pci;
154 err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, outenable);
155 if (err)
156 goto err_pci;
157 }
158
159 out:
160 return err;
161
162 err_pci:
163 pr_err("Error: ssb_pci_xtal() could not access PCI config space!\n");
164 err = -EBUSY;
165 goto out;
166 }
167
168 /* Get the word-offset for a SSB_SPROM_XXX define. */
169 #define SPOFF(offset) ((offset) / sizeof(u16))
170 /* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */
171 #define SPEX16(_outvar, _offset, _mask, _shift) \
172 out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift))
173 #define SPEX32(_outvar, _offset, _mask, _shift) \
174 out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \
175 in[SPOFF(_offset)]) & (_mask)) >> (_shift))
176 #define SPEX(_outvar, _offset, _mask, _shift) \
177 SPEX16(_outvar, _offset, _mask, _shift)
178
179 #define SPEX_ARRAY8(_field, _offset, _mask, _shift) \
180 do { \
181 SPEX(_field[0], _offset + 0, _mask, _shift); \
182 SPEX(_field[1], _offset + 2, _mask, _shift); \
183 SPEX(_field[2], _offset + 4, _mask, _shift); \
184 SPEX(_field[3], _offset + 6, _mask, _shift); \
185 SPEX(_field[4], _offset + 8, _mask, _shift); \
186 SPEX(_field[5], _offset + 10, _mask, _shift); \
187 SPEX(_field[6], _offset + 12, _mask, _shift); \
188 SPEX(_field[7], _offset + 14, _mask, _shift); \
189 } while (0)
190
191
ssb_crc8(u8 crc,u8 data)192 static inline u8 ssb_crc8(u8 crc, u8 data)
193 {
194 /* Polynomial: x^8 + x^7 + x^6 + x^4 + x^2 + 1 */
195 static const u8 t[] = {
196 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
197 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
198 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
199 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
200 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
201 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
202 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
203 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
204 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
205 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
206 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
207 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
208 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
209 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
210 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
211 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
212 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
213 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
214 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
215 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
216 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
217 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
218 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
219 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
220 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
221 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
222 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
223 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
224 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
225 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
226 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
227 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
228 };
229 return t[crc ^ data];
230 }
231
sprom_get_mac(char * mac,const u16 * in)232 static void sprom_get_mac(char *mac, const u16 *in)
233 {
234 int i;
235 for (i = 0; i < 3; i++) {
236 *mac++ = in[i] >> 8;
237 *mac++ = in[i];
238 }
239 }
240
ssb_sprom_crc(const u16 * sprom,u16 size)241 static u8 ssb_sprom_crc(const u16 *sprom, u16 size)
242 {
243 int word;
244 u8 crc = 0xFF;
245
246 for (word = 0; word < size - 1; word++) {
247 crc = ssb_crc8(crc, sprom[word] & 0x00FF);
248 crc = ssb_crc8(crc, (sprom[word] & 0xFF00) >> 8);
249 }
250 crc = ssb_crc8(crc, sprom[size - 1] & 0x00FF);
251 crc ^= 0xFF;
252
253 return crc;
254 }
255
sprom_check_crc(const u16 * sprom,size_t size)256 static int sprom_check_crc(const u16 *sprom, size_t size)
257 {
258 u8 crc;
259 u8 expected_crc;
260 u16 tmp;
261
262 crc = ssb_sprom_crc(sprom, size);
263 tmp = sprom[size - 1] & SSB_SPROM_REVISION_CRC;
264 expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
265 if (crc != expected_crc)
266 return -EPROTO;
267
268 return 0;
269 }
270
sprom_do_read(struct ssb_bus * bus,u16 * sprom)271 static int sprom_do_read(struct ssb_bus *bus, u16 *sprom)
272 {
273 int i;
274
275 for (i = 0; i < bus->sprom_size; i++)
276 sprom[i] = ioread16(bus->mmio + bus->sprom_offset + (i * 2));
277
278 return 0;
279 }
280
sprom_do_write(struct ssb_bus * bus,const u16 * sprom)281 static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
282 {
283 struct pci_dev *pdev = bus->host_pci;
284 int i, err;
285 u32 spromctl;
286 u16 size = bus->sprom_size;
287
288 pr_notice("Writing SPROM. Do NOT turn off the power! Please stand by...\n");
289 err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl);
290 if (err)
291 goto err_ctlreg;
292 spromctl |= SSB_SPROMCTL_WE;
293 err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl);
294 if (err)
295 goto err_ctlreg;
296 pr_notice("[ 0%%");
297 msleep(500);
298 for (i = 0; i < size; i++) {
299 if (i == size / 4)
300 pr_cont("25%%");
301 else if (i == size / 2)
302 pr_cont("50%%");
303 else if (i == (size * 3) / 4)
304 pr_cont("75%%");
305 else if (i % 2)
306 pr_cont(".");
307 writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2));
308 msleep(20);
309 }
310 err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl);
311 if (err)
312 goto err_ctlreg;
313 spromctl &= ~SSB_SPROMCTL_WE;
314 err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl);
315 if (err)
316 goto err_ctlreg;
317 msleep(500);
318 pr_cont("100%% ]\n");
319 pr_notice("SPROM written\n");
320
321 return 0;
322 err_ctlreg:
323 pr_err("Could not access SPROM control register.\n");
324 return err;
325 }
326
sprom_extract_antgain(u8 sprom_revision,const u16 * in,u16 offset,u16 mask,u16 shift)327 static s8 sprom_extract_antgain(u8 sprom_revision, const u16 *in, u16 offset,
328 u16 mask, u16 shift)
329 {
330 u16 v;
331 u8 gain;
332
333 v = in[SPOFF(offset)];
334 gain = (v & mask) >> shift;
335 if (gain == 0xFF)
336 gain = 2; /* If unset use 2dBm */
337 if (sprom_revision == 1) {
338 /* Convert to Q5.2 */
339 gain <<= 2;
340 } else {
341 /* Q5.2 Fractional part is stored in 0xC0 */
342 gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2);
343 }
344
345 return (s8)gain;
346 }
347
sprom_extract_r23(struct ssb_sprom * out,const u16 * in)348 static void sprom_extract_r23(struct ssb_sprom *out, const u16 *in)
349 {
350 SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0);
351 SPEX(opo, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0);
352 SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0);
353 SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0);
354 SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0);
355 SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0);
356 SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0);
357 SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0);
358 SPEX(maxpwr_ah, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0);
359 SPEX(maxpwr_al, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO,
360 SSB_SPROM2_MAXP_A_LO_SHIFT);
361 }
362
sprom_extract_r123(struct ssb_sprom * out,const u16 * in)363 static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
364 {
365 u16 loc[3];
366
367 if (out->revision == 3) /* rev 3 moved MAC */
368 loc[0] = SSB_SPROM3_IL0MAC;
369 else {
370 loc[0] = SSB_SPROM1_IL0MAC;
371 loc[1] = SSB_SPROM1_ET0MAC;
372 loc[2] = SSB_SPROM1_ET1MAC;
373 }
374 sprom_get_mac(out->il0mac, &in[SPOFF(loc[0])]);
375 if (out->revision < 3) { /* only rev 1-2 have et0, et1 */
376 sprom_get_mac(out->et0mac, &in[SPOFF(loc[1])]);
377 sprom_get_mac(out->et1mac, &in[SPOFF(loc[2])]);
378 }
379 SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0);
380 SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A,
381 SSB_SPROM1_ETHPHY_ET1A_SHIFT);
382 SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14);
383 SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15);
384 SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0);
385 SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
386 if (out->revision == 1)
387 SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE,
388 SSB_SPROM1_BINF_CCODE_SHIFT);
389 SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA,
390 SSB_SPROM1_BINF_ANTA_SHIFT);
391 SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG,
392 SSB_SPROM1_BINF_ANTBG_SHIFT);
393 SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0);
394 SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0);
395 SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0);
396 SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0);
397 SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0);
398 SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0);
399 SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0);
400 SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1,
401 SSB_SPROM1_GPIOA_P1_SHIFT);
402 SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0);
403 SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3,
404 SSB_SPROM1_GPIOB_P3_SHIFT);
405 SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A,
406 SSB_SPROM1_MAXPWR_A_SHIFT);
407 SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0);
408 SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A,
409 SSB_SPROM1_ITSSI_A_SHIFT);
410 SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0);
411 SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0);
412
413 SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8);
414 SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0);
415
416 /* Extract the antenna gain values. */
417 out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,
418 SSB_SPROM1_AGAIN,
419 SSB_SPROM1_AGAIN_BG,
420 SSB_SPROM1_AGAIN_BG_SHIFT);
421 out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,
422 SSB_SPROM1_AGAIN,
423 SSB_SPROM1_AGAIN_A,
424 SSB_SPROM1_AGAIN_A_SHIFT);
425 if (out->revision >= 2)
426 sprom_extract_r23(out, in);
427 }
428
429 /* Revs 4 5 and 8 have partially shared layout */
sprom_extract_r458(struct ssb_sprom * out,const u16 * in)430 static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in)
431 {
432 SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01,
433 SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT);
434 SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01,
435 SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT);
436 SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23,
437 SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT);
438 SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23,
439 SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT);
440
441 SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01,
442 SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT);
443 SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01,
444 SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT);
445 SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23,
446 SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT);
447 SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23,
448 SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT);
449
450 SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01,
451 SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT);
452 SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01,
453 SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT);
454 SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23,
455 SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT);
456 SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23,
457 SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT);
458
459 SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01,
460 SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT);
461 SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01,
462 SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT);
463 SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23,
464 SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT);
465 SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23,
466 SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT);
467 }
468
sprom_extract_r45(struct ssb_sprom * out,const u16 * in)469 static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
470 {
471 static const u16 pwr_info_offset[] = {
472 SSB_SPROM4_PWR_INFO_CORE0, SSB_SPROM4_PWR_INFO_CORE1,
473 SSB_SPROM4_PWR_INFO_CORE2, SSB_SPROM4_PWR_INFO_CORE3
474 };
475 u16 il0mac_offset;
476 int i;
477
478 BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
479 ARRAY_SIZE(out->core_pwr_info));
480
481 if (out->revision == 4)
482 il0mac_offset = SSB_SPROM4_IL0MAC;
483 else
484 il0mac_offset = SSB_SPROM5_IL0MAC;
485
486 sprom_get_mac(out->il0mac, &in[SPOFF(il0mac_offset)]);
487
488 SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0);
489 SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A,
490 SSB_SPROM4_ETHPHY_ET1A_SHIFT);
491 SPEX(board_rev, SSB_SPROM4_BOARDREV, 0xFFFF, 0);
492 SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
493 if (out->revision == 4) {
494 SPEX(alpha2[0], SSB_SPROM4_CCODE, 0xff00, 8);
495 SPEX(alpha2[1], SSB_SPROM4_CCODE, 0x00ff, 0);
496 SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
497 SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
498 SPEX(boardflags2_lo, SSB_SPROM4_BFL2LO, 0xFFFF, 0);
499 SPEX(boardflags2_hi, SSB_SPROM4_BFL2HI, 0xFFFF, 0);
500 } else {
501 SPEX(alpha2[0], SSB_SPROM5_CCODE, 0xff00, 8);
502 SPEX(alpha2[1], SSB_SPROM5_CCODE, 0x00ff, 0);
503 SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0);
504 SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0);
505 SPEX(boardflags2_lo, SSB_SPROM5_BFL2LO, 0xFFFF, 0);
506 SPEX(boardflags2_hi, SSB_SPROM5_BFL2HI, 0xFFFF, 0);
507 }
508 SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A,
509 SSB_SPROM4_ANTAVAIL_A_SHIFT);
510 SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG,
511 SSB_SPROM4_ANTAVAIL_BG_SHIFT);
512 SPEX(maxpwr_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_MAXP_BG_MASK, 0);
513 SPEX(itssi_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_ITSSI_BG,
514 SSB_SPROM4_ITSSI_BG_SHIFT);
515 SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0);
516 SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A,
517 SSB_SPROM4_ITSSI_A_SHIFT);
518 if (out->revision == 4) {
519 SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0);
520 SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1,
521 SSB_SPROM4_GPIOA_P1_SHIFT);
522 SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0);
523 SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3,
524 SSB_SPROM4_GPIOB_P3_SHIFT);
525 } else {
526 SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0);
527 SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1,
528 SSB_SPROM5_GPIOA_P1_SHIFT);
529 SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0);
530 SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3,
531 SSB_SPROM5_GPIOB_P3_SHIFT);
532 }
533
534 /* Extract the antenna gain values. */
535 out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,
536 SSB_SPROM4_AGAIN01,
537 SSB_SPROM4_AGAIN0,
538 SSB_SPROM4_AGAIN0_SHIFT);
539 out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,
540 SSB_SPROM4_AGAIN01,
541 SSB_SPROM4_AGAIN1,
542 SSB_SPROM4_AGAIN1_SHIFT);
543 out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in,
544 SSB_SPROM4_AGAIN23,
545 SSB_SPROM4_AGAIN2,
546 SSB_SPROM4_AGAIN2_SHIFT);
547 out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in,
548 SSB_SPROM4_AGAIN23,
549 SSB_SPROM4_AGAIN3,
550 SSB_SPROM4_AGAIN3_SHIFT);
551
552 /* Extract cores power info info */
553 for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) {
554 u16 o = pwr_info_offset[i];
555
556 SPEX(core_pwr_info[i].itssi_2g, o + SSB_SPROM4_2G_MAXP_ITSSI,
557 SSB_SPROM4_2G_ITSSI, SSB_SPROM4_2G_ITSSI_SHIFT);
558 SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SPROM4_2G_MAXP_ITSSI,
559 SSB_SPROM4_2G_MAXP, 0);
560
561 SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SPROM4_2G_PA_0, ~0, 0);
562 SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SPROM4_2G_PA_1, ~0, 0);
563 SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SPROM4_2G_PA_2, ~0, 0);
564 SPEX(core_pwr_info[i].pa_2g[3], o + SSB_SPROM4_2G_PA_3, ~0, 0);
565
566 SPEX(core_pwr_info[i].itssi_5g, o + SSB_SPROM4_5G_MAXP_ITSSI,
567 SSB_SPROM4_5G_ITSSI, SSB_SPROM4_5G_ITSSI_SHIFT);
568 SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SPROM4_5G_MAXP_ITSSI,
569 SSB_SPROM4_5G_MAXP, 0);
570 SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM4_5GHL_MAXP,
571 SSB_SPROM4_5GH_MAXP, 0);
572 SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM4_5GHL_MAXP,
573 SSB_SPROM4_5GL_MAXP, SSB_SPROM4_5GL_MAXP_SHIFT);
574
575 SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SPROM4_5GL_PA_0, ~0, 0);
576 SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SPROM4_5GL_PA_1, ~0, 0);
577 SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SPROM4_5GL_PA_2, ~0, 0);
578 SPEX(core_pwr_info[i].pa_5gl[3], o + SSB_SPROM4_5GL_PA_3, ~0, 0);
579 SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SPROM4_5G_PA_0, ~0, 0);
580 SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SPROM4_5G_PA_1, ~0, 0);
581 SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SPROM4_5G_PA_2, ~0, 0);
582 SPEX(core_pwr_info[i].pa_5g[3], o + SSB_SPROM4_5G_PA_3, ~0, 0);
583 SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SPROM4_5GH_PA_0, ~0, 0);
584 SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SPROM4_5GH_PA_1, ~0, 0);
585 SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SPROM4_5GH_PA_2, ~0, 0);
586 SPEX(core_pwr_info[i].pa_5gh[3], o + SSB_SPROM4_5GH_PA_3, ~0, 0);
587 }
588
589 sprom_extract_r458(out, in);
590
591 /* TODO - get remaining rev 4 stuff needed */
592 }
593
sprom_extract_r8(struct ssb_sprom * out,const u16 * in)594 static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
595 {
596 int i;
597 u16 o;
598 static const u16 pwr_info_offset[] = {
599 SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1,
600 SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3
601 };
602 BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
603 ARRAY_SIZE(out->core_pwr_info));
604
605 /* extract the MAC address */
606 sprom_get_mac(out->il0mac, &in[SPOFF(SSB_SPROM8_IL0MAC)]);
607
608 SPEX(board_rev, SSB_SPROM8_BOARDREV, 0xFFFF, 0);
609 SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
610 SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8);
611 SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0);
612 SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0);
613 SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0);
614 SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, 0xFFFF, 0);
615 SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, 0xFFFF, 0);
616 SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A,
617 SSB_SPROM8_ANTAVAIL_A_SHIFT);
618 SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG,
619 SSB_SPROM8_ANTAVAIL_BG_SHIFT);
620 SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0);
621 SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG,
622 SSB_SPROM8_ITSSI_BG_SHIFT);
623 SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0);
624 SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A,
625 SSB_SPROM8_ITSSI_A_SHIFT);
626 SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0);
627 SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK,
628 SSB_SPROM8_MAXP_AL_SHIFT);
629 SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0);
630 SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1,
631 SSB_SPROM8_GPIOA_P1_SHIFT);
632 SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0);
633 SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3,
634 SSB_SPROM8_GPIOB_P3_SHIFT);
635 SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0);
636 SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G,
637 SSB_SPROM8_TRI5G_SHIFT);
638 SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0);
639 SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH,
640 SSB_SPROM8_TRI5GH_SHIFT);
641 SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G, 0);
642 SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G,
643 SSB_SPROM8_RXPO5G_SHIFT);
644 SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0);
645 SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G,
646 SSB_SPROM8_RSSISMC2G_SHIFT);
647 SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G,
648 SSB_SPROM8_RSSISAV2G_SHIFT);
649 SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G,
650 SSB_SPROM8_BXA2G_SHIFT);
651 SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0);
652 SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G,
653 SSB_SPROM8_RSSISMC5G_SHIFT);
654 SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G,
655 SSB_SPROM8_RSSISAV5G_SHIFT);
656 SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G,
657 SSB_SPROM8_BXA5G_SHIFT);
658 SPEX(pa0b0, SSB_SPROM8_PA0B0, 0xFFFF, 0);
659 SPEX(pa0b1, SSB_SPROM8_PA0B1, 0xFFFF, 0);
660 SPEX(pa0b2, SSB_SPROM8_PA0B2, 0xFFFF, 0);
661 SPEX(pa1b0, SSB_SPROM8_PA1B0, 0xFFFF, 0);
662 SPEX(pa1b1, SSB_SPROM8_PA1B1, 0xFFFF, 0);
663 SPEX(pa1b2, SSB_SPROM8_PA1B2, 0xFFFF, 0);
664 SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, 0xFFFF, 0);
665 SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, 0xFFFF, 0);
666 SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, 0xFFFF, 0);
667 SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, 0xFFFF, 0);
668 SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, 0xFFFF, 0);
669 SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, 0xFFFF, 0);
670 SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, 0xFFFF, 0);
671 SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, 0xFFFFFFFF, 0);
672 SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, 0xFFFFFFFF, 0);
673 SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, 0xFFFFFFFF, 0);
674 SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0);
675
676 /* Extract the antenna gain values. */
677 out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,
678 SSB_SPROM8_AGAIN01,
679 SSB_SPROM8_AGAIN0,
680 SSB_SPROM8_AGAIN0_SHIFT);
681 out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,
682 SSB_SPROM8_AGAIN01,
683 SSB_SPROM8_AGAIN1,
684 SSB_SPROM8_AGAIN1_SHIFT);
685 out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in,
686 SSB_SPROM8_AGAIN23,
687 SSB_SPROM8_AGAIN2,
688 SSB_SPROM8_AGAIN2_SHIFT);
689 out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in,
690 SSB_SPROM8_AGAIN23,
691 SSB_SPROM8_AGAIN3,
692 SSB_SPROM8_AGAIN3_SHIFT);
693
694 /* Extract cores power info info */
695 for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) {
696 o = pwr_info_offset[i];
697 SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
698 SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT);
699 SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
700 SSB_SPROM8_2G_MAXP, 0);
701
702 SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0);
703 SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0);
704 SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0);
705
706 SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
707 SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT);
708 SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
709 SSB_SPROM8_5G_MAXP, 0);
710 SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP,
711 SSB_SPROM8_5GH_MAXP, 0);
712 SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP,
713 SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT);
714
715 SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0);
716 SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0);
717 SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0);
718 SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0);
719 SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0);
720 SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0);
721 SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0);
722 SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0);
723 SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0);
724 }
725
726 /* Extract FEM info */
727 SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G,
728 SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT);
729 SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G,
730 SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
731 SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G,
732 SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT);
733 SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G,
734 SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT);
735 SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G,
736 SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT);
737
738 SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G,
739 SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT);
740 SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G,
741 SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
742 SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G,
743 SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT);
744 SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G,
745 SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT);
746 SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G,
747 SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT);
748
749 SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON,
750 SSB_SPROM8_LEDDC_ON_SHIFT);
751 SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF,
752 SSB_SPROM8_LEDDC_OFF_SHIFT);
753
754 SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN,
755 SSB_SPROM8_TXRXC_TXCHAIN_SHIFT);
756 SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN,
757 SSB_SPROM8_TXRXC_RXCHAIN_SHIFT);
758 SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH,
759 SSB_SPROM8_TXRXC_SWITCH_SHIFT);
760
761 SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0);
762
763 SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0);
764 SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0);
765 SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0);
766 SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0);
767
768 SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP,
769 SSB_SPROM8_RAWTS_RAWTEMP_SHIFT);
770 SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER,
771 SSB_SPROM8_RAWTS_MEASPOWER_SHIFT);
772 SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX,
773 SSB_SPROM8_OPT_CORRX_TEMP_SLOPE,
774 SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT);
775 SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX,
776 SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT);
777 SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX,
778 SSB_SPROM8_OPT_CORRX_TEMP_OPTION,
779 SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT);
780 SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP,
781 SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR,
782 SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT);
783 SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP,
784 SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP,
785 SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT);
786 SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL,
787 SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT);
788
789 SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0);
790 SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0);
791 SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0);
792 SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0);
793
794 SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH,
795 SSB_SPROM8_THERMAL_TRESH_SHIFT);
796 SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET,
797 SSB_SPROM8_THERMAL_OFFSET_SHIFT);
798 SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA,
799 SSB_SPROM8_TEMPDELTA_PHYCAL,
800 SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT);
801 SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD,
802 SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT);
803 SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA,
804 SSB_SPROM8_TEMPDELTA_HYSTERESIS,
805 SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT);
806 sprom_extract_r458(out, in);
807
808 /* TODO - get remaining rev 8 stuff needed */
809 }
810
sprom_extract(struct ssb_bus * bus,struct ssb_sprom * out,const u16 * in,u16 size)811 static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
812 const u16 *in, u16 size)
813 {
814 memset(out, 0, sizeof(*out));
815
816 out->revision = in[size - 1] & 0x00FF;
817 pr_debug("SPROM revision %d detected\n", out->revision);
818 memset(out->et0mac, 0xFF, 6); /* preset et0 and et1 mac */
819 memset(out->et1mac, 0xFF, 6);
820
821 if ((bus->chip_id & 0xFF00) == 0x4400) {
822 /* Workaround: The BCM44XX chip has a stupid revision
823 * number stored in the SPROM.
824 * Always extract r1. */
825 out->revision = 1;
826 pr_debug("SPROM treated as revision %d\n", out->revision);
827 }
828
829 switch (out->revision) {
830 case 1:
831 case 2:
832 case 3:
833 sprom_extract_r123(out, in);
834 break;
835 case 4:
836 case 5:
837 sprom_extract_r45(out, in);
838 break;
839 case 8:
840 sprom_extract_r8(out, in);
841 break;
842 default:
843 pr_warn("Unsupported SPROM revision %d detected. Will extract v1\n",
844 out->revision);
845 out->revision = 1;
846 sprom_extract_r123(out, in);
847 }
848
849 if (out->boardflags_lo == 0xFFFF)
850 out->boardflags_lo = 0; /* per specs */
851 if (out->boardflags_hi == 0xFFFF)
852 out->boardflags_hi = 0; /* per specs */
853
854 return 0;
855 }
856
ssb_pci_sprom_get(struct ssb_bus * bus,struct ssb_sprom * sprom)857 static int ssb_pci_sprom_get(struct ssb_bus *bus,
858 struct ssb_sprom *sprom)
859 {
860 int err;
861 u16 *buf;
862
863 if (!ssb_is_sprom_available(bus)) {
864 pr_err("No SPROM available!\n");
865 return -ENODEV;
866 }
867 if (bus->chipco.dev) { /* can be unavailable! */
868 /*
869 * get SPROM offset: SSB_SPROM_BASE1 except for
870 * chipcommon rev >= 31 or chip ID is 0x4312 and
871 * chipcommon status & 3 == 2
872 */
873 if (bus->chipco.dev->id.revision >= 31)
874 bus->sprom_offset = SSB_SPROM_BASE31;
875 else if (bus->chip_id == 0x4312 &&
876 (bus->chipco.status & 0x03) == 2)
877 bus->sprom_offset = SSB_SPROM_BASE31;
878 else
879 bus->sprom_offset = SSB_SPROM_BASE1;
880 } else {
881 bus->sprom_offset = SSB_SPROM_BASE1;
882 }
883 pr_debug("SPROM offset is 0x%x\n", bus->sprom_offset);
884
885 buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL);
886 if (!buf)
887 return -ENOMEM;
888 bus->sprom_size = SSB_SPROMSIZE_WORDS_R123;
889 sprom_do_read(bus, buf);
890 err = sprom_check_crc(buf, bus->sprom_size);
891 if (err) {
892 /* try for a 440 byte SPROM - revision 4 and higher */
893 kfree(buf);
894 buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
895 GFP_KERNEL);
896 if (!buf)
897 return -ENOMEM;
898 bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
899 sprom_do_read(bus, buf);
900 err = sprom_check_crc(buf, bus->sprom_size);
901 if (err) {
902 /* All CRC attempts failed.
903 * Maybe there is no SPROM on the device?
904 * Now we ask the arch code if there is some sprom
905 * available for this device in some other storage */
906 err = ssb_fill_sprom_with_fallback(bus, sprom);
907 if (err) {
908 pr_warn("WARNING: Using fallback SPROM failed (err %d)\n",
909 err);
910 goto out_free;
911 } else {
912 pr_debug("Using SPROM revision %d provided by platform\n",
913 sprom->revision);
914 err = 0;
915 goto out_free;
916 }
917 }
918 }
919 err = sprom_extract(bus, sprom, buf, bus->sprom_size);
920
921 out_free:
922 kfree(buf);
923 return err;
924 }
925
ssb_pci_get_boardinfo(struct ssb_bus * bus,struct ssb_boardinfo * bi)926 static void ssb_pci_get_boardinfo(struct ssb_bus *bus,
927 struct ssb_boardinfo *bi)
928 {
929 bi->vendor = bus->host_pci->subsystem_vendor;
930 bi->type = bus->host_pci->subsystem_device;
931 }
932
ssb_pci_get_invariants(struct ssb_bus * bus,struct ssb_init_invariants * iv)933 int ssb_pci_get_invariants(struct ssb_bus *bus,
934 struct ssb_init_invariants *iv)
935 {
936 int err;
937
938 err = ssb_pci_sprom_get(bus, &iv->sprom);
939 if (err)
940 goto out;
941 ssb_pci_get_boardinfo(bus, &iv->boardinfo);
942
943 out:
944 return err;
945 }
946
ssb_pci_assert_buspower(struct ssb_bus * bus)947 static int ssb_pci_assert_buspower(struct ssb_bus *bus)
948 {
949 if (likely(bus->powered_up))
950 return 0;
951
952 pr_err("FATAL ERROR: Bus powered down while accessing PCI MMIO space\n");
953 if (bus->power_warn_count <= 10) {
954 bus->power_warn_count++;
955 dump_stack();
956 }
957
958 return -ENODEV;
959 }
960
ssb_pci_read8(struct ssb_device * dev,u16 offset)961 static u8 ssb_pci_read8(struct ssb_device *dev, u16 offset)
962 {
963 struct ssb_bus *bus = dev->bus;
964
965 if (unlikely(ssb_pci_assert_buspower(bus)))
966 return 0xFF;
967 if (unlikely(bus->mapped_device != dev)) {
968 if (unlikely(ssb_pci_switch_core(bus, dev)))
969 return 0xFF;
970 }
971 return ioread8(bus->mmio + offset);
972 }
973
ssb_pci_read16(struct ssb_device * dev,u16 offset)974 static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset)
975 {
976 struct ssb_bus *bus = dev->bus;
977
978 if (unlikely(ssb_pci_assert_buspower(bus)))
979 return 0xFFFF;
980 if (unlikely(bus->mapped_device != dev)) {
981 if (unlikely(ssb_pci_switch_core(bus, dev)))
982 return 0xFFFF;
983 }
984 return ioread16(bus->mmio + offset);
985 }
986
ssb_pci_read32(struct ssb_device * dev,u16 offset)987 static u32 ssb_pci_read32(struct ssb_device *dev, u16 offset)
988 {
989 struct ssb_bus *bus = dev->bus;
990
991 if (unlikely(ssb_pci_assert_buspower(bus)))
992 return 0xFFFFFFFF;
993 if (unlikely(bus->mapped_device != dev)) {
994 if (unlikely(ssb_pci_switch_core(bus, dev)))
995 return 0xFFFFFFFF;
996 }
997 return ioread32(bus->mmio + offset);
998 }
999
1000 #ifdef CONFIG_SSB_BLOCKIO
ssb_pci_block_read(struct ssb_device * dev,void * buffer,size_t count,u16 offset,u8 reg_width)1001 static void ssb_pci_block_read(struct ssb_device *dev, void *buffer,
1002 size_t count, u16 offset, u8 reg_width)
1003 {
1004 struct ssb_bus *bus = dev->bus;
1005 void __iomem *addr = bus->mmio + offset;
1006
1007 if (unlikely(ssb_pci_assert_buspower(bus)))
1008 goto error;
1009 if (unlikely(bus->mapped_device != dev)) {
1010 if (unlikely(ssb_pci_switch_core(bus, dev)))
1011 goto error;
1012 }
1013 switch (reg_width) {
1014 case sizeof(u8):
1015 ioread8_rep(addr, buffer, count);
1016 break;
1017 case sizeof(u16):
1018 WARN_ON(count & 1);
1019 ioread16_rep(addr, buffer, count >> 1);
1020 break;
1021 case sizeof(u32):
1022 WARN_ON(count & 3);
1023 ioread32_rep(addr, buffer, count >> 2);
1024 break;
1025 default:
1026 WARN_ON(1);
1027 }
1028
1029 return;
1030 error:
1031 memset(buffer, 0xFF, count);
1032 }
1033 #endif /* CONFIG_SSB_BLOCKIO */
1034
ssb_pci_write8(struct ssb_device * dev,u16 offset,u8 value)1035 static void ssb_pci_write8(struct ssb_device *dev, u16 offset, u8 value)
1036 {
1037 struct ssb_bus *bus = dev->bus;
1038
1039 if (unlikely(ssb_pci_assert_buspower(bus)))
1040 return;
1041 if (unlikely(bus->mapped_device != dev)) {
1042 if (unlikely(ssb_pci_switch_core(bus, dev)))
1043 return;
1044 }
1045 iowrite8(value, bus->mmio + offset);
1046 }
1047
ssb_pci_write16(struct ssb_device * dev,u16 offset,u16 value)1048 static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value)
1049 {
1050 struct ssb_bus *bus = dev->bus;
1051
1052 if (unlikely(ssb_pci_assert_buspower(bus)))
1053 return;
1054 if (unlikely(bus->mapped_device != dev)) {
1055 if (unlikely(ssb_pci_switch_core(bus, dev)))
1056 return;
1057 }
1058 iowrite16(value, bus->mmio + offset);
1059 }
1060
ssb_pci_write32(struct ssb_device * dev,u16 offset,u32 value)1061 static void ssb_pci_write32(struct ssb_device *dev, u16 offset, u32 value)
1062 {
1063 struct ssb_bus *bus = dev->bus;
1064
1065 if (unlikely(ssb_pci_assert_buspower(bus)))
1066 return;
1067 if (unlikely(bus->mapped_device != dev)) {
1068 if (unlikely(ssb_pci_switch_core(bus, dev)))
1069 return;
1070 }
1071 iowrite32(value, bus->mmio + offset);
1072 }
1073
1074 #ifdef CONFIG_SSB_BLOCKIO
ssb_pci_block_write(struct ssb_device * dev,const void * buffer,size_t count,u16 offset,u8 reg_width)1075 static void ssb_pci_block_write(struct ssb_device *dev, const void *buffer,
1076 size_t count, u16 offset, u8 reg_width)
1077 {
1078 struct ssb_bus *bus = dev->bus;
1079 void __iomem *addr = bus->mmio + offset;
1080
1081 if (unlikely(ssb_pci_assert_buspower(bus)))
1082 return;
1083 if (unlikely(bus->mapped_device != dev)) {
1084 if (unlikely(ssb_pci_switch_core(bus, dev)))
1085 return;
1086 }
1087 switch (reg_width) {
1088 case sizeof(u8):
1089 iowrite8_rep(addr, buffer, count);
1090 break;
1091 case sizeof(u16):
1092 WARN_ON(count & 1);
1093 iowrite16_rep(addr, buffer, count >> 1);
1094 break;
1095 case sizeof(u32):
1096 WARN_ON(count & 3);
1097 iowrite32_rep(addr, buffer, count >> 2);
1098 break;
1099 default:
1100 WARN_ON(1);
1101 }
1102 }
1103 #endif /* CONFIG_SSB_BLOCKIO */
1104
1105 /* Not "static", as it's used in main.c */
1106 const struct ssb_bus_ops ssb_pci_ops = {
1107 .read8 = ssb_pci_read8,
1108 .read16 = ssb_pci_read16,
1109 .read32 = ssb_pci_read32,
1110 .write8 = ssb_pci_write8,
1111 .write16 = ssb_pci_write16,
1112 .write32 = ssb_pci_write32,
1113 #ifdef CONFIG_SSB_BLOCKIO
1114 .block_read = ssb_pci_block_read,
1115 .block_write = ssb_pci_block_write,
1116 #endif
1117 };
1118
ssb_sprom_show(struct device * pcidev,struct device_attribute * attr,char * buf)1119 static ssize_t ssb_sprom_show(struct device *pcidev,
1120 struct device_attribute *attr,
1121 char *buf)
1122 {
1123 struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
1124 struct ssb_bus *bus;
1125
1126 bus = ssb_pci_dev_to_bus(pdev);
1127 if (!bus)
1128 return -ENODEV;
1129
1130 return ssb_attr_sprom_show(bus, buf, sprom_do_read);
1131 }
1132
ssb_sprom_store(struct device * pcidev,struct device_attribute * attr,const char * buf,size_t count)1133 static ssize_t ssb_sprom_store(struct device *pcidev,
1134 struct device_attribute *attr,
1135 const char *buf, size_t count)
1136 {
1137 struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
1138 struct ssb_bus *bus;
1139
1140 bus = ssb_pci_dev_to_bus(pdev);
1141 if (!bus)
1142 return -ENODEV;
1143
1144 return ssb_attr_sprom_store(bus, buf, count,
1145 sprom_check_crc, sprom_do_write);
1146 }
1147
1148 static DEVICE_ATTR_ADMIN_RW(ssb_sprom);
1149
ssb_pci_exit(struct ssb_bus * bus)1150 void ssb_pci_exit(struct ssb_bus *bus)
1151 {
1152 struct pci_dev *pdev;
1153
1154 if (bus->bustype != SSB_BUSTYPE_PCI)
1155 return;
1156
1157 pdev = bus->host_pci;
1158 device_remove_file(&pdev->dev, &dev_attr_ssb_sprom);
1159 }
1160
ssb_pci_init(struct ssb_bus * bus)1161 int ssb_pci_init(struct ssb_bus *bus)
1162 {
1163 struct pci_dev *pdev;
1164
1165 if (bus->bustype != SSB_BUSTYPE_PCI)
1166 return 0;
1167
1168 pdev = bus->host_pci;
1169 mutex_init(&bus->sprom_mutex);
1170
1171 return device_create_file(&pdev->dev, &dev_attr_ssb_sprom);
1172 }
1173