phy_n.c 168 KB

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  1. /*
  2. Broadcom B43 wireless driver
  3. IEEE 802.11n PHY support
  4. Copyright (c) 2008 Michael Buesch <m@bues.ch>
  5. Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com>
  6. This program is free software; you can redistribute it and/or modify
  7. it under the terms of the GNU General Public License as published by
  8. the Free Software Foundation; either version 2 of the License, or
  9. (at your option) any later version.
  10. This program is distributed in the hope that it will be useful,
  11. but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. GNU General Public License for more details.
  14. You should have received a copy of the GNU General Public License
  15. along with this program; see the file COPYING. If not, write to
  16. the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  17. Boston, MA 02110-1301, USA.
  18. */
  19. #include <linux/delay.h>
  20. #include <linux/slab.h>
  21. #include <linux/types.h>
  22. #include "b43.h"
  23. #include "phy_n.h"
  24. #include "tables_nphy.h"
  25. #include "radio_2055.h"
  26. #include "radio_2056.h"
  27. #include "radio_2057.h"
  28. #include "main.h"
  29. struct nphy_txgains {
  30. u16 txgm[2];
  31. u16 pga[2];
  32. u16 pad[2];
  33. u16 ipa[2];
  34. };
  35. struct nphy_iqcal_params {
  36. u16 txgm;
  37. u16 pga;
  38. u16 pad;
  39. u16 ipa;
  40. u16 cal_gain;
  41. u16 ncorr[5];
  42. };
  43. struct nphy_iq_est {
  44. s32 iq0_prod;
  45. u32 i0_pwr;
  46. u32 q0_pwr;
  47. s32 iq1_prod;
  48. u32 i1_pwr;
  49. u32 q1_pwr;
  50. };
  51. enum b43_nphy_rf_sequence {
  52. B43_RFSEQ_RX2TX,
  53. B43_RFSEQ_TX2RX,
  54. B43_RFSEQ_RESET2RX,
  55. B43_RFSEQ_UPDATE_GAINH,
  56. B43_RFSEQ_UPDATE_GAINL,
  57. B43_RFSEQ_UPDATE_GAINU,
  58. };
  59. enum n_intc_override {
  60. N_INTC_OVERRIDE_OFF = 0,
  61. N_INTC_OVERRIDE_TRSW = 1,
  62. N_INTC_OVERRIDE_PA = 2,
  63. N_INTC_OVERRIDE_EXT_LNA_PU = 3,
  64. N_INTC_OVERRIDE_EXT_LNA_GAIN = 4,
  65. };
  66. enum n_rssi_type {
  67. N_RSSI_W1 = 0,
  68. N_RSSI_W2,
  69. N_RSSI_NB,
  70. N_RSSI_IQ,
  71. N_RSSI_TSSI_2G,
  72. N_RSSI_TSSI_5G,
  73. N_RSSI_TBD,
  74. };
  75. enum n_rail_type {
  76. N_RAIL_I = 0,
  77. N_RAIL_Q = 1,
  78. };
  79. static inline bool b43_nphy_ipa(struct b43_wldev *dev)
  80. {
  81. enum ieee80211_band band = b43_current_band(dev->wl);
  82. return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  83. (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
  84. }
  85. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */
  86. static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev)
  87. {
  88. return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >>
  89. B43_NPHY_RFSEQCA_RXEN_SHIFT;
  90. }
  91. /**************************************************
  92. * RF (just without b43_nphy_rf_ctl_intc_override)
  93. **************************************************/
  94. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
  95. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  96. enum b43_nphy_rf_sequence seq)
  97. {
  98. static const u16 trigger[] = {
  99. [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
  100. [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
  101. [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
  102. [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
  103. [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
  104. [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
  105. };
  106. int i;
  107. u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  108. B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
  109. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  110. B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
  111. b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
  112. for (i = 0; i < 200; i++) {
  113. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
  114. goto ok;
  115. msleep(1);
  116. }
  117. b43err(dev->wl, "RF sequence status timeout\n");
  118. ok:
  119. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  120. }
  121. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverrideRev7 */
  122. static void b43_nphy_rf_ctl_override_rev7(struct b43_wldev *dev, u16 field,
  123. u16 value, u8 core, bool off,
  124. u8 override)
  125. {
  126. const struct nphy_rf_control_override_rev7 *e;
  127. u16 en_addrs[3][2] = {
  128. { 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 }
  129. };
  130. u16 en_addr;
  131. u16 en_mask = field;
  132. u16 val_addr;
  133. u8 i;
  134. /* Remember: we can get NULL! */
  135. e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override);
  136. for (i = 0; i < 2; i++) {
  137. if (override >= ARRAY_SIZE(en_addrs)) {
  138. b43err(dev->wl, "Invalid override value %d\n", override);
  139. return;
  140. }
  141. en_addr = en_addrs[override][i];
  142. if (e)
  143. val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1;
  144. if (off) {
  145. b43_phy_mask(dev, en_addr, ~en_mask);
  146. if (e) /* Do it safer, better than wl */
  147. b43_phy_mask(dev, val_addr, ~e->val_mask);
  148. } else {
  149. if (!core || (core & (1 << i))) {
  150. b43_phy_set(dev, en_addr, en_mask);
  151. if (e)
  152. b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift));
  153. }
  154. }
  155. }
  156. }
  157. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
  158. static void b43_nphy_rf_ctl_override(struct b43_wldev *dev, u16 field,
  159. u16 value, u8 core, bool off)
  160. {
  161. int i;
  162. u8 index = fls(field);
  163. u8 addr, en_addr, val_addr;
  164. /* we expect only one bit set */
  165. B43_WARN_ON(field & (~(1 << (index - 1))));
  166. if (dev->phy.rev >= 3) {
  167. const struct nphy_rf_control_override_rev3 *rf_ctrl;
  168. for (i = 0; i < 2; i++) {
  169. if (index == 0 || index == 16) {
  170. b43err(dev->wl,
  171. "Unsupported RF Ctrl Override call\n");
  172. return;
  173. }
  174. rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
  175. en_addr = B43_PHY_N((i == 0) ?
  176. rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
  177. val_addr = B43_PHY_N((i == 0) ?
  178. rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
  179. if (off) {
  180. b43_phy_mask(dev, en_addr, ~(field));
  181. b43_phy_mask(dev, val_addr,
  182. ~(rf_ctrl->val_mask));
  183. } else {
  184. if (core == 0 || ((1 << i) & core)) {
  185. b43_phy_set(dev, en_addr, field);
  186. b43_phy_maskset(dev, val_addr,
  187. ~(rf_ctrl->val_mask),
  188. (value << rf_ctrl->val_shift));
  189. }
  190. }
  191. }
  192. } else {
  193. const struct nphy_rf_control_override_rev2 *rf_ctrl;
  194. if (off) {
  195. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
  196. value = 0;
  197. } else {
  198. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
  199. }
  200. for (i = 0; i < 2; i++) {
  201. if (index <= 1 || index == 16) {
  202. b43err(dev->wl,
  203. "Unsupported RF Ctrl Override call\n");
  204. return;
  205. }
  206. if (index == 2 || index == 10 ||
  207. (index >= 13 && index <= 15)) {
  208. core = 1;
  209. }
  210. rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
  211. addr = B43_PHY_N((i == 0) ?
  212. rf_ctrl->addr0 : rf_ctrl->addr1);
  213. if ((1 << i) & core)
  214. b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
  215. (value << rf_ctrl->shift));
  216. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  217. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  218. B43_NPHY_RFCTL_CMD_START);
  219. udelay(1);
  220. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
  221. }
  222. }
  223. }
  224. static void b43_nphy_rf_ctl_intc_override_rev7(struct b43_wldev *dev,
  225. enum n_intc_override intc_override,
  226. u16 value, u8 core_sel)
  227. {
  228. u16 reg, tmp, tmp2, val;
  229. int core;
  230. for (core = 0; core < 2; core++) {
  231. if ((core_sel == 1 && core != 0) ||
  232. (core_sel == 2 && core != 1))
  233. continue;
  234. reg = (core == 0) ? B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  235. switch (intc_override) {
  236. case N_INTC_OVERRIDE_OFF:
  237. b43_phy_write(dev, reg, 0);
  238. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  239. break;
  240. case N_INTC_OVERRIDE_TRSW:
  241. b43_phy_maskset(dev, reg, ~0xC0, value << 6);
  242. b43_phy_set(dev, reg, 0x400);
  243. b43_phy_mask(dev, 0x2ff, ~0xC000 & 0xFFFF);
  244. b43_phy_set(dev, 0x2ff, 0x2000);
  245. b43_phy_set(dev, 0x2ff, 0x0001);
  246. break;
  247. case N_INTC_OVERRIDE_PA:
  248. tmp = 0x0030;
  249. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  250. val = value << 5;
  251. else
  252. val = value << 4;
  253. b43_phy_maskset(dev, reg, ~tmp, val);
  254. b43_phy_set(dev, reg, 0x1000);
  255. break;
  256. case N_INTC_OVERRIDE_EXT_LNA_PU:
  257. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  258. tmp = 0x0001;
  259. tmp2 = 0x0004;
  260. val = value;
  261. } else {
  262. tmp = 0x0004;
  263. tmp2 = 0x0001;
  264. val = value << 2;
  265. }
  266. b43_phy_maskset(dev, reg, ~tmp, val);
  267. b43_phy_mask(dev, reg, ~tmp2);
  268. break;
  269. case N_INTC_OVERRIDE_EXT_LNA_GAIN:
  270. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  271. tmp = 0x0002;
  272. tmp2 = 0x0008;
  273. val = value << 1;
  274. } else {
  275. tmp = 0x0008;
  276. tmp2 = 0x0002;
  277. val = value << 3;
  278. }
  279. b43_phy_maskset(dev, reg, ~tmp, val);
  280. b43_phy_mask(dev, reg, ~tmp2);
  281. break;
  282. }
  283. }
  284. }
  285. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
  286. static void b43_nphy_rf_ctl_intc_override(struct b43_wldev *dev,
  287. enum n_intc_override intc_override,
  288. u16 value, u8 core)
  289. {
  290. u8 i, j;
  291. u16 reg, tmp, val;
  292. if (dev->phy.rev >= 7) {
  293. b43_nphy_rf_ctl_intc_override_rev7(dev, intc_override, value,
  294. core);
  295. return;
  296. }
  297. B43_WARN_ON(dev->phy.rev < 3);
  298. for (i = 0; i < 2; i++) {
  299. if ((core == 1 && i == 1) || (core == 2 && !i))
  300. continue;
  301. reg = (i == 0) ?
  302. B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  303. b43_phy_set(dev, reg, 0x400);
  304. switch (intc_override) {
  305. case N_INTC_OVERRIDE_OFF:
  306. b43_phy_write(dev, reg, 0);
  307. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  308. break;
  309. case N_INTC_OVERRIDE_TRSW:
  310. if (!i) {
  311. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
  312. 0xFC3F, (value << 6));
  313. b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
  314. 0xFFFE, 1);
  315. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  316. B43_NPHY_RFCTL_CMD_START);
  317. for (j = 0; j < 100; j++) {
  318. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
  319. j = 0;
  320. break;
  321. }
  322. udelay(10);
  323. }
  324. if (j)
  325. b43err(dev->wl,
  326. "intc override timeout\n");
  327. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
  328. 0xFFFE);
  329. } else {
  330. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
  331. 0xFC3F, (value << 6));
  332. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  333. 0xFFFE, 1);
  334. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  335. B43_NPHY_RFCTL_CMD_RXTX);
  336. for (j = 0; j < 100; j++) {
  337. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
  338. j = 0;
  339. break;
  340. }
  341. udelay(10);
  342. }
  343. if (j)
  344. b43err(dev->wl,
  345. "intc override timeout\n");
  346. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  347. 0xFFFE);
  348. }
  349. break;
  350. case N_INTC_OVERRIDE_PA:
  351. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  352. tmp = 0x0020;
  353. val = value << 5;
  354. } else {
  355. tmp = 0x0010;
  356. val = value << 4;
  357. }
  358. b43_phy_maskset(dev, reg, ~tmp, val);
  359. break;
  360. case N_INTC_OVERRIDE_EXT_LNA_PU:
  361. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  362. tmp = 0x0001;
  363. val = value;
  364. } else {
  365. tmp = 0x0004;
  366. val = value << 2;
  367. }
  368. b43_phy_maskset(dev, reg, ~tmp, val);
  369. break;
  370. case N_INTC_OVERRIDE_EXT_LNA_GAIN:
  371. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  372. tmp = 0x0002;
  373. val = value << 1;
  374. } else {
  375. tmp = 0x0008;
  376. val = value << 3;
  377. }
  378. b43_phy_maskset(dev, reg, ~tmp, val);
  379. break;
  380. }
  381. }
  382. }
  383. /**************************************************
  384. * Various PHY ops
  385. **************************************************/
  386. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  387. static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
  388. const u16 *clip_st)
  389. {
  390. b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
  391. b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
  392. }
  393. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  394. static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  395. {
  396. clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
  397. clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
  398. }
  399. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
  400. static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  401. {
  402. u16 tmp;
  403. if (dev->dev->core_rev == 16)
  404. b43_mac_suspend(dev);
  405. tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
  406. tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
  407. B43_NPHY_CLASSCTL_WAITEDEN);
  408. tmp &= ~mask;
  409. tmp |= (val & mask);
  410. b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
  411. if (dev->dev->core_rev == 16)
  412. b43_mac_enable(dev);
  413. return tmp;
  414. }
  415. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
  416. static void b43_nphy_reset_cca(struct b43_wldev *dev)
  417. {
  418. u16 bbcfg;
  419. b43_phy_force_clock(dev, 1);
  420. bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
  421. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
  422. udelay(1);
  423. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
  424. b43_phy_force_clock(dev, 0);
  425. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  426. }
  427. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
  428. static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
  429. {
  430. struct b43_phy *phy = &dev->phy;
  431. struct b43_phy_n *nphy = phy->n;
  432. if (enable) {
  433. static const u16 clip[] = { 0xFFFF, 0xFFFF };
  434. if (nphy->deaf_count++ == 0) {
  435. nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
  436. b43_nphy_classifier(dev, 0x7,
  437. B43_NPHY_CLASSCTL_WAITEDEN);
  438. b43_nphy_read_clip_detection(dev, nphy->clip_state);
  439. b43_nphy_write_clip_detection(dev, clip);
  440. }
  441. b43_nphy_reset_cca(dev);
  442. } else {
  443. if (--nphy->deaf_count == 0) {
  444. b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
  445. b43_nphy_write_clip_detection(dev, nphy->clip_state);
  446. }
  447. }
  448. }
  449. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
  450. static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
  451. {
  452. struct b43_phy_n *nphy = dev->phy.n;
  453. u8 i;
  454. s16 tmp;
  455. u16 data[4];
  456. s16 gain[2];
  457. u16 minmax[2];
  458. static const u16 lna_gain[4] = { -2, 10, 19, 25 };
  459. if (nphy->hang_avoid)
  460. b43_nphy_stay_in_carrier_search(dev, 1);
  461. if (nphy->gain_boost) {
  462. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  463. gain[0] = 6;
  464. gain[1] = 6;
  465. } else {
  466. tmp = 40370 - 315 * dev->phy.channel;
  467. gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
  468. tmp = 23242 - 224 * dev->phy.channel;
  469. gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
  470. }
  471. } else {
  472. gain[0] = 0;
  473. gain[1] = 0;
  474. }
  475. for (i = 0; i < 2; i++) {
  476. if (nphy->elna_gain_config) {
  477. data[0] = 19 + gain[i];
  478. data[1] = 25 + gain[i];
  479. data[2] = 25 + gain[i];
  480. data[3] = 25 + gain[i];
  481. } else {
  482. data[0] = lna_gain[0] + gain[i];
  483. data[1] = lna_gain[1] + gain[i];
  484. data[2] = lna_gain[2] + gain[i];
  485. data[3] = lna_gain[3] + gain[i];
  486. }
  487. b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
  488. minmax[i] = 23 + gain[i];
  489. }
  490. b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
  491. minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
  492. b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
  493. minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
  494. if (nphy->hang_avoid)
  495. b43_nphy_stay_in_carrier_search(dev, 0);
  496. }
  497. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
  498. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  499. u8 *events, u8 *delays, u8 length)
  500. {
  501. struct b43_phy_n *nphy = dev->phy.n;
  502. u8 i;
  503. u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
  504. u16 offset1 = cmd << 4;
  505. u16 offset2 = offset1 + 0x80;
  506. if (nphy->hang_avoid)
  507. b43_nphy_stay_in_carrier_search(dev, true);
  508. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
  509. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
  510. for (i = length; i < 16; i++) {
  511. b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
  512. b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
  513. }
  514. if (nphy->hang_avoid)
  515. b43_nphy_stay_in_carrier_search(dev, false);
  516. }
  517. /**************************************************
  518. * Radio 0x2057
  519. **************************************************/
  520. /* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */
  521. static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
  522. {
  523. struct b43_phy *phy = &dev->phy;
  524. u16 tmp;
  525. if (phy->radio_rev == 5) {
  526. b43_phy_mask(dev, 0x342, ~0x2);
  527. udelay(10);
  528. b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1);
  529. b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1);
  530. }
  531. b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
  532. udelay(10);
  533. b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3);
  534. if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) {
  535. b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
  536. return 0;
  537. }
  538. b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
  539. tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
  540. b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);
  541. if (phy->radio_rev == 5) {
  542. b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1);
  543. b43_radio_mask(dev, 0x1ca, ~0x2);
  544. }
  545. if (phy->radio_rev <= 4 || phy->radio_rev == 6) {
  546. b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp);
  547. b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0,
  548. tmp << 2);
  549. }
  550. return tmp & 0x3e;
  551. }
  552. /* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */
  553. static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
  554. {
  555. struct b43_phy *phy = &dev->phy;
  556. bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 ||
  557. phy->radio_rev == 6);
  558. u16 tmp;
  559. if (special) {
  560. b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
  561. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
  562. } else {
  563. b43_radio_write(dev, 0x1AE, 0x61);
  564. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1);
  565. }
  566. b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
  567. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
  568. if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
  569. 5000000))
  570. b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
  571. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
  572. if (special) {
  573. b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
  574. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
  575. } else {
  576. b43_radio_write(dev, 0x1AE, 0x69);
  577. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
  578. }
  579. b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
  580. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
  581. if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
  582. 5000000))
  583. b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
  584. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
  585. if (special) {
  586. b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
  587. b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
  588. b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
  589. } else {
  590. b43_radio_write(dev, 0x1AE, 0x73);
  591. b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
  592. b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
  593. }
  594. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
  595. if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
  596. 5000000)) {
  597. b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
  598. return 0;
  599. }
  600. tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
  601. b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
  602. return tmp;
  603. }
  604. static void b43_radio_2057_init_pre(struct b43_wldev *dev)
  605. {
  606. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  607. /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
  608. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE);
  609. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
  610. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU);
  611. }
  612. static void b43_radio_2057_init_post(struct b43_wldev *dev)
  613. {
  614. b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1);
  615. b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
  616. b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
  617. mdelay(2);
  618. b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
  619. b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);
  620. if (dev->phy.do_full_init) {
  621. b43_radio_2057_rcal(dev);
  622. b43_radio_2057_rccal(dev);
  623. }
  624. b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8);
  625. }
  626. /* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */
  627. static void b43_radio_2057_init(struct b43_wldev *dev)
  628. {
  629. b43_radio_2057_init_pre(dev);
  630. r2057_upload_inittabs(dev);
  631. b43_radio_2057_init_post(dev);
  632. }
  633. /**************************************************
  634. * Radio 0x2056
  635. **************************************************/
  636. static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
  637. const struct b43_nphy_channeltab_entry_rev3 *e)
  638. {
  639. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
  640. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
  641. b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
  642. b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
  643. b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
  644. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
  645. e->radio_syn_pll_loopfilter1);
  646. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
  647. e->radio_syn_pll_loopfilter2);
  648. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
  649. e->radio_syn_pll_loopfilter3);
  650. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
  651. e->radio_syn_pll_loopfilter4);
  652. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
  653. e->radio_syn_pll_loopfilter5);
  654. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
  655. e->radio_syn_reserved_addr27);
  656. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
  657. e->radio_syn_reserved_addr28);
  658. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
  659. e->radio_syn_reserved_addr29);
  660. b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
  661. e->radio_syn_logen_vcobuf1);
  662. b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
  663. b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
  664. b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
  665. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
  666. e->radio_rx0_lnaa_tune);
  667. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
  668. e->radio_rx0_lnag_tune);
  669. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
  670. e->radio_tx0_intpaa_boost_tune);
  671. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
  672. e->radio_tx0_intpag_boost_tune);
  673. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
  674. e->radio_tx0_pada_boost_tune);
  675. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
  676. e->radio_tx0_padg_boost_tune);
  677. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
  678. e->radio_tx0_pgaa_boost_tune);
  679. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
  680. e->radio_tx0_pgag_boost_tune);
  681. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
  682. e->radio_tx0_mixa_boost_tune);
  683. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
  684. e->radio_tx0_mixg_boost_tune);
  685. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
  686. e->radio_rx1_lnaa_tune);
  687. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
  688. e->radio_rx1_lnag_tune);
  689. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
  690. e->radio_tx1_intpaa_boost_tune);
  691. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
  692. e->radio_tx1_intpag_boost_tune);
  693. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
  694. e->radio_tx1_pada_boost_tune);
  695. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
  696. e->radio_tx1_padg_boost_tune);
  697. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
  698. e->radio_tx1_pgaa_boost_tune);
  699. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
  700. e->radio_tx1_pgag_boost_tune);
  701. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
  702. e->radio_tx1_mixa_boost_tune);
  703. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
  704. e->radio_tx1_mixg_boost_tune);
  705. }
  706. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
  707. static void b43_radio_2056_setup(struct b43_wldev *dev,
  708. const struct b43_nphy_channeltab_entry_rev3 *e)
  709. {
  710. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  711. enum ieee80211_band band = b43_current_band(dev->wl);
  712. u16 offset;
  713. u8 i;
  714. u16 bias, cbias;
  715. u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
  716. u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
  717. bool is_pkg_fab_smic;
  718. B43_WARN_ON(dev->phy.rev < 3);
  719. is_pkg_fab_smic =
  720. ((dev->dev->chip_id == BCMA_CHIP_ID_BCM43224 ||
  721. dev->dev->chip_id == BCMA_CHIP_ID_BCM43225 ||
  722. dev->dev->chip_id == BCMA_CHIP_ID_BCM43421) &&
  723. dev->dev->chip_pkg == BCMA_PKG_ID_BCM43224_FAB_SMIC);
  724. b43_chantab_radio_2056_upload(dev, e);
  725. b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);
  726. if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  727. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  728. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  729. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  730. if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 ||
  731. dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) {
  732. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
  733. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
  734. } else {
  735. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
  736. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
  737. }
  738. }
  739. if (sprom->boardflags2_hi & B43_BFH2_GPLL_WAR2 &&
  740. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  741. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1f);
  742. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1f);
  743. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0b);
  744. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x20);
  745. }
  746. if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  747. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  748. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  749. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  750. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
  751. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
  752. }
  753. if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
  754. for (i = 0; i < 2; i++) {
  755. offset = i ? B2056_TX1 : B2056_TX0;
  756. if (dev->phy.rev >= 5) {
  757. b43_radio_write(dev,
  758. offset | B2056_TX_PADG_IDAC, 0xcc);
  759. if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 ||
  760. dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) {
  761. bias = 0x40;
  762. cbias = 0x45;
  763. pag_boost = 0x5;
  764. pgag_boost = 0x33;
  765. mixg_boost = 0x55;
  766. } else {
  767. bias = 0x25;
  768. cbias = 0x20;
  769. if (is_pkg_fab_smic) {
  770. bias = 0x2a;
  771. cbias = 0x38;
  772. }
  773. pag_boost = 0x4;
  774. pgag_boost = 0x03;
  775. mixg_boost = 0x65;
  776. }
  777. padg_boost = 0x77;
  778. b43_radio_write(dev,
  779. offset | B2056_TX_INTPAG_IMAIN_STAT,
  780. bias);
  781. b43_radio_write(dev,
  782. offset | B2056_TX_INTPAG_IAUX_STAT,
  783. bias);
  784. b43_radio_write(dev,
  785. offset | B2056_TX_INTPAG_CASCBIAS,
  786. cbias);
  787. b43_radio_write(dev,
  788. offset | B2056_TX_INTPAG_BOOST_TUNE,
  789. pag_boost);
  790. b43_radio_write(dev,
  791. offset | B2056_TX_PGAG_BOOST_TUNE,
  792. pgag_boost);
  793. b43_radio_write(dev,
  794. offset | B2056_TX_PADG_BOOST_TUNE,
  795. padg_boost);
  796. b43_radio_write(dev,
  797. offset | B2056_TX_MIXG_BOOST_TUNE,
  798. mixg_boost);
  799. } else {
  800. bias = dev->phy.is_40mhz ? 0x40 : 0x20;
  801. b43_radio_write(dev,
  802. offset | B2056_TX_INTPAG_IMAIN_STAT,
  803. bias);
  804. b43_radio_write(dev,
  805. offset | B2056_TX_INTPAG_IAUX_STAT,
  806. bias);
  807. b43_radio_write(dev,
  808. offset | B2056_TX_INTPAG_CASCBIAS,
  809. 0x30);
  810. }
  811. b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
  812. }
  813. } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
  814. u16 freq = dev->phy.channel_freq;
  815. if (freq < 5100) {
  816. paa_boost = 0xA;
  817. pada_boost = 0x77;
  818. pgaa_boost = 0xF;
  819. mixa_boost = 0xF;
  820. } else if (freq < 5340) {
  821. paa_boost = 0x8;
  822. pada_boost = 0x77;
  823. pgaa_boost = 0xFB;
  824. mixa_boost = 0xF;
  825. } else if (freq < 5650) {
  826. paa_boost = 0x0;
  827. pada_boost = 0x77;
  828. pgaa_boost = 0xB;
  829. mixa_boost = 0xF;
  830. } else {
  831. paa_boost = 0x0;
  832. pada_boost = 0x77;
  833. if (freq != 5825)
  834. pgaa_boost = -(freq - 18) / 36 + 168;
  835. else
  836. pgaa_boost = 6;
  837. mixa_boost = 0xF;
  838. }
  839. cbias = is_pkg_fab_smic ? 0x35 : 0x30;
  840. for (i = 0; i < 2; i++) {
  841. offset = i ? B2056_TX1 : B2056_TX0;
  842. b43_radio_write(dev,
  843. offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
  844. b43_radio_write(dev,
  845. offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
  846. b43_radio_write(dev,
  847. offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
  848. b43_radio_write(dev,
  849. offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
  850. b43_radio_write(dev,
  851. offset | B2056_TX_TXSPARE1, 0x30);
  852. b43_radio_write(dev,
  853. offset | B2056_TX_PA_SPARE2, 0xee);
  854. b43_radio_write(dev,
  855. offset | B2056_TX_PADA_CASCBIAS, 0x03);
  856. b43_radio_write(dev,
  857. offset | B2056_TX_INTPAA_IAUX_STAT, 0x30);
  858. b43_radio_write(dev,
  859. offset | B2056_TX_INTPAA_IMAIN_STAT, 0x30);
  860. b43_radio_write(dev,
  861. offset | B2056_TX_INTPAA_CASCBIAS, cbias);
  862. }
  863. }
  864. udelay(50);
  865. /* VCO calibration */
  866. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
  867. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  868. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
  869. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  870. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
  871. udelay(300);
  872. }
  873. static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
  874. {
  875. struct b43_phy *phy = &dev->phy;
  876. u16 mast2, tmp;
  877. if (phy->rev != 3)
  878. return 0;
  879. mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
  880. b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);
  881. udelay(10);
  882. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
  883. udelay(10);
  884. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);
  885. if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
  886. 1000000)) {
  887. b43err(dev->wl, "Radio recalibration timeout\n");
  888. return 0;
  889. }
  890. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
  891. tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
  892. b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);
  893. b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);
  894. return tmp & 0x1f;
  895. }
  896. static void b43_radio_init2056_pre(struct b43_wldev *dev)
  897. {
  898. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  899. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  900. /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
  901. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  902. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  903. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  904. ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
  905. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  906. B43_NPHY_RFCTL_CMD_CHIP0PU);
  907. }
  908. static void b43_radio_init2056_post(struct b43_wldev *dev)
  909. {
  910. b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
  911. b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
  912. b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
  913. msleep(1);
  914. b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
  915. b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
  916. b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
  917. if (dev->phy.do_full_init)
  918. b43_radio_2056_rcal(dev);
  919. }
  920. /*
  921. * Initialize a Broadcom 2056 N-radio
  922. * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
  923. */
  924. static void b43_radio_init2056(struct b43_wldev *dev)
  925. {
  926. b43_radio_init2056_pre(dev);
  927. b2056_upload_inittabs(dev, 0, 0);
  928. b43_radio_init2056_post(dev);
  929. }
  930. /**************************************************
  931. * Radio 0x2055
  932. **************************************************/
  933. static void b43_chantab_radio_upload(struct b43_wldev *dev,
  934. const struct b43_nphy_channeltab_entry_rev2 *e)
  935. {
  936. b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
  937. b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
  938. b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
  939. b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
  940. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  941. b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
  942. b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
  943. b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
  944. b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
  945. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  946. b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
  947. b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
  948. b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
  949. b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
  950. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  951. b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
  952. b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
  953. b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
  954. b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
  955. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  956. b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
  957. b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
  958. b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
  959. b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
  960. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  961. b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
  962. b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
  963. }
  964. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
  965. static void b43_radio_2055_setup(struct b43_wldev *dev,
  966. const struct b43_nphy_channeltab_entry_rev2 *e)
  967. {
  968. B43_WARN_ON(dev->phy.rev >= 3);
  969. b43_chantab_radio_upload(dev, e);
  970. udelay(50);
  971. b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
  972. b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
  973. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  974. b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
  975. udelay(300);
  976. }
  977. static void b43_radio_init2055_pre(struct b43_wldev *dev)
  978. {
  979. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  980. ~B43_NPHY_RFCTL_CMD_PORFORCE);
  981. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  982. B43_NPHY_RFCTL_CMD_CHIP0PU |
  983. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  984. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  985. B43_NPHY_RFCTL_CMD_PORFORCE);
  986. }
  987. static void b43_radio_init2055_post(struct b43_wldev *dev)
  988. {
  989. struct b43_phy_n *nphy = dev->phy.n;
  990. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  991. bool workaround = false;
  992. if (sprom->revision < 4)
  993. workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
  994. && dev->dev->board_type == SSB_BOARD_CB2_4321
  995. && dev->dev->board_rev >= 0x41);
  996. else
  997. workaround =
  998. !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
  999. b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
  1000. if (workaround) {
  1001. b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
  1002. b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
  1003. }
  1004. b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
  1005. b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
  1006. b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
  1007. b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
  1008. b43_radio_set(dev, B2055_CAL_MISC, 0x1);
  1009. msleep(1);
  1010. b43_radio_set(dev, B2055_CAL_MISC, 0x40);
  1011. if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
  1012. b43err(dev->wl, "radio post init timeout\n");
  1013. b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
  1014. b43_switch_channel(dev, dev->phy.channel);
  1015. b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
  1016. b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
  1017. b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
  1018. b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
  1019. b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
  1020. b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
  1021. if (!nphy->gain_boost) {
  1022. b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
  1023. b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
  1024. } else {
  1025. b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
  1026. b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
  1027. }
  1028. udelay(2);
  1029. }
  1030. /*
  1031. * Initialize a Broadcom 2055 N-radio
  1032. * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
  1033. */
  1034. static void b43_radio_init2055(struct b43_wldev *dev)
  1035. {
  1036. b43_radio_init2055_pre(dev);
  1037. if (b43_status(dev) < B43_STAT_INITIALIZED) {
  1038. /* Follow wl, not specs. Do not force uploading all regs */
  1039. b2055_upload_inittab(dev, 0, 0);
  1040. } else {
  1041. bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
  1042. b2055_upload_inittab(dev, ghz5, 0);
  1043. }
  1044. b43_radio_init2055_post(dev);
  1045. }
  1046. /**************************************************
  1047. * Samples
  1048. **************************************************/
  1049. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
  1050. static int b43_nphy_load_samples(struct b43_wldev *dev,
  1051. struct b43_c32 *samples, u16 len) {
  1052. struct b43_phy_n *nphy = dev->phy.n;
  1053. u16 i;
  1054. u32 *data;
  1055. data = kzalloc(len * sizeof(u32), GFP_KERNEL);
  1056. if (!data) {
  1057. b43err(dev->wl, "allocation for samples loading failed\n");
  1058. return -ENOMEM;
  1059. }
  1060. if (nphy->hang_avoid)
  1061. b43_nphy_stay_in_carrier_search(dev, 1);
  1062. for (i = 0; i < len; i++) {
  1063. data[i] = (samples[i].i & 0x3FF << 10);
  1064. data[i] |= samples[i].q & 0x3FF;
  1065. }
  1066. b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
  1067. kfree(data);
  1068. if (nphy->hang_avoid)
  1069. b43_nphy_stay_in_carrier_search(dev, 0);
  1070. return 0;
  1071. }
  1072. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
  1073. static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
  1074. bool test)
  1075. {
  1076. int i;
  1077. u16 bw, len, rot, angle;
  1078. struct b43_c32 *samples;
  1079. bw = (dev->phy.is_40mhz) ? 40 : 20;
  1080. len = bw << 3;
  1081. if (test) {
  1082. if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
  1083. bw = 82;
  1084. else
  1085. bw = 80;
  1086. if (dev->phy.is_40mhz)
  1087. bw <<= 1;
  1088. len = bw << 1;
  1089. }
  1090. samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
  1091. if (!samples) {
  1092. b43err(dev->wl, "allocation for samples generation failed\n");
  1093. return 0;
  1094. }
  1095. rot = (((freq * 36) / bw) << 16) / 100;
  1096. angle = 0;
  1097. for (i = 0; i < len; i++) {
  1098. samples[i] = b43_cordic(angle);
  1099. angle += rot;
  1100. samples[i].q = CORDIC_CONVERT(samples[i].q * max);
  1101. samples[i].i = CORDIC_CONVERT(samples[i].i * max);
  1102. }
  1103. i = b43_nphy_load_samples(dev, samples, len);
  1104. kfree(samples);
  1105. return (i < 0) ? 0 : len;
  1106. }
  1107. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
  1108. static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
  1109. u16 wait, bool iqmode, bool dac_test)
  1110. {
  1111. struct b43_phy_n *nphy = dev->phy.n;
  1112. int i;
  1113. u16 seq_mode;
  1114. u32 tmp;
  1115. b43_nphy_stay_in_carrier_search(dev, true);
  1116. if ((nphy->bb_mult_save & 0x80000000) == 0) {
  1117. tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
  1118. nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
  1119. }
  1120. /* TODO: add modify_bbmult argument */
  1121. if (!dev->phy.is_40mhz)
  1122. tmp = 0x6464;
  1123. else
  1124. tmp = 0x4747;
  1125. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  1126. b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
  1127. if (loops != 0xFFFF)
  1128. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
  1129. else
  1130. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
  1131. b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
  1132. seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1133. b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
  1134. if (iqmode) {
  1135. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  1136. b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
  1137. } else {
  1138. if (dac_test)
  1139. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
  1140. else
  1141. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
  1142. }
  1143. for (i = 0; i < 100; i++) {
  1144. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
  1145. i = 0;
  1146. break;
  1147. }
  1148. udelay(10);
  1149. }
  1150. if (i)
  1151. b43err(dev->wl, "run samples timeout\n");
  1152. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1153. b43_nphy_stay_in_carrier_search(dev, false);
  1154. }
  1155. /**************************************************
  1156. * RSSI
  1157. **************************************************/
  1158. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
  1159. static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
  1160. s8 offset, u8 core,
  1161. enum n_rail_type rail,
  1162. enum n_rssi_type rssi_type)
  1163. {
  1164. u16 tmp;
  1165. bool core1or5 = (core == 1) || (core == 5);
  1166. bool core2or5 = (core == 2) || (core == 5);
  1167. offset = clamp_val(offset, -32, 31);
  1168. tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
  1169. switch (rssi_type) {
  1170. case N_RSSI_NB:
  1171. if (core1or5 && rail == N_RAIL_I)
  1172. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
  1173. if (core1or5 && rail == N_RAIL_Q)
  1174. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
  1175. if (core2or5 && rail == N_RAIL_I)
  1176. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
  1177. if (core2or5 && rail == N_RAIL_Q)
  1178. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
  1179. break;
  1180. case N_RSSI_W1:
  1181. if (core1or5 && rail == N_RAIL_I)
  1182. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
  1183. if (core1or5 && rail == N_RAIL_Q)
  1184. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
  1185. if (core2or5 && rail == N_RAIL_I)
  1186. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
  1187. if (core2or5 && rail == N_RAIL_Q)
  1188. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
  1189. break;
  1190. case N_RSSI_W2:
  1191. if (core1or5 && rail == N_RAIL_I)
  1192. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
  1193. if (core1or5 && rail == N_RAIL_Q)
  1194. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
  1195. if (core2or5 && rail == N_RAIL_I)
  1196. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
  1197. if (core2or5 && rail == N_RAIL_Q)
  1198. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
  1199. break;
  1200. case N_RSSI_TBD:
  1201. if (core1or5 && rail == N_RAIL_I)
  1202. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
  1203. if (core1or5 && rail == N_RAIL_Q)
  1204. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
  1205. if (core2or5 && rail == N_RAIL_I)
  1206. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
  1207. if (core2or5 && rail == N_RAIL_Q)
  1208. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
  1209. break;
  1210. case N_RSSI_IQ:
  1211. if (core1or5 && rail == N_RAIL_I)
  1212. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
  1213. if (core1or5 && rail == N_RAIL_Q)
  1214. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
  1215. if (core2or5 && rail == N_RAIL_I)
  1216. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
  1217. if (core2or5 && rail == N_RAIL_Q)
  1218. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
  1219. break;
  1220. case N_RSSI_TSSI_2G:
  1221. if (core1or5)
  1222. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
  1223. if (core2or5)
  1224. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
  1225. break;
  1226. case N_RSSI_TSSI_5G:
  1227. if (core1or5)
  1228. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
  1229. if (core2or5)
  1230. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
  1231. break;
  1232. }
  1233. }
  1234. static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code,
  1235. enum n_rssi_type rssi_type)
  1236. {
  1237. u8 i;
  1238. u16 reg, val;
  1239. if (code == 0) {
  1240. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
  1241. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
  1242. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
  1243. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
  1244. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
  1245. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
  1246. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
  1247. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
  1248. } else {
  1249. for (i = 0; i < 2; i++) {
  1250. if ((code == 1 && i == 1) || (code == 2 && !i))
  1251. continue;
  1252. reg = (i == 0) ?
  1253. B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
  1254. b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
  1255. if (rssi_type == N_RSSI_W1 ||
  1256. rssi_type == N_RSSI_W2 ||
  1257. rssi_type == N_RSSI_NB) {
  1258. reg = (i == 0) ?
  1259. B43_NPHY_AFECTL_C1 :
  1260. B43_NPHY_AFECTL_C2;
  1261. b43_phy_maskset(dev, reg, 0xFCFF, 0);
  1262. reg = (i == 0) ?
  1263. B43_NPHY_RFCTL_LUT_TRSW_UP1 :
  1264. B43_NPHY_RFCTL_LUT_TRSW_UP2;
  1265. b43_phy_maskset(dev, reg, 0xFFC3, 0);
  1266. if (rssi_type == N_RSSI_W1)
  1267. val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
  1268. else if (rssi_type == N_RSSI_W2)
  1269. val = 16;
  1270. else
  1271. val = 32;
  1272. b43_phy_set(dev, reg, val);
  1273. reg = (i == 0) ?
  1274. B43_NPHY_TXF_40CO_B1S0 :
  1275. B43_NPHY_TXF_40CO_B32S1;
  1276. b43_phy_set(dev, reg, 0x0020);
  1277. } else {
  1278. if (rssi_type == N_RSSI_TBD)
  1279. val = 0x0100;
  1280. else if (rssi_type == N_RSSI_IQ)
  1281. val = 0x0200;
  1282. else
  1283. val = 0x0300;
  1284. reg = (i == 0) ?
  1285. B43_NPHY_AFECTL_C1 :
  1286. B43_NPHY_AFECTL_C2;
  1287. b43_phy_maskset(dev, reg, 0xFCFF, val);
  1288. b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
  1289. if (rssi_type != N_RSSI_IQ &&
  1290. rssi_type != N_RSSI_TBD) {
  1291. enum ieee80211_band band =
  1292. b43_current_band(dev->wl);
  1293. if (b43_nphy_ipa(dev))
  1294. val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  1295. else
  1296. val = 0x11;
  1297. reg = (i == 0) ? 0x2000 : 0x3000;
  1298. reg |= B2055_PADDRV;
  1299. b43_radio_write(dev, reg, val);
  1300. reg = (i == 0) ?
  1301. B43_NPHY_AFECTL_OVER1 :
  1302. B43_NPHY_AFECTL_OVER;
  1303. b43_phy_set(dev, reg, 0x0200);
  1304. }
  1305. }
  1306. }
  1307. }
  1308. }
  1309. static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code,
  1310. enum n_rssi_type rssi_type)
  1311. {
  1312. u16 val;
  1313. bool rssi_w1_w2_nb = false;
  1314. switch (rssi_type) {
  1315. case N_RSSI_W1:
  1316. case N_RSSI_W2:
  1317. case N_RSSI_NB:
  1318. val = 0;
  1319. rssi_w1_w2_nb = true;
  1320. break;
  1321. case N_RSSI_TBD:
  1322. val = 1;
  1323. break;
  1324. case N_RSSI_IQ:
  1325. val = 2;
  1326. break;
  1327. default:
  1328. val = 3;
  1329. }
  1330. val = (val << 12) | (val << 14);
  1331. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
  1332. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
  1333. if (rssi_w1_w2_nb) {
  1334. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
  1335. (rssi_type + 1) << 4);
  1336. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
  1337. (rssi_type + 1) << 4);
  1338. }
  1339. if (code == 0) {
  1340. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
  1341. if (rssi_w1_w2_nb) {
  1342. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  1343. ~(B43_NPHY_RFCTL_CMD_RXEN |
  1344. B43_NPHY_RFCTL_CMD_CORESEL));
  1345. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  1346. ~(0x1 << 12 |
  1347. 0x1 << 5 |
  1348. 0x1 << 1 |
  1349. 0x1));
  1350. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  1351. ~B43_NPHY_RFCTL_CMD_START);
  1352. udelay(20);
  1353. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1354. }
  1355. } else {
  1356. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
  1357. if (rssi_w1_w2_nb) {
  1358. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
  1359. ~(B43_NPHY_RFCTL_CMD_RXEN |
  1360. B43_NPHY_RFCTL_CMD_CORESEL),
  1361. (B43_NPHY_RFCTL_CMD_RXEN |
  1362. code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
  1363. b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
  1364. (0x1 << 12 |
  1365. 0x1 << 5 |
  1366. 0x1 << 1 |
  1367. 0x1));
  1368. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1369. B43_NPHY_RFCTL_CMD_START);
  1370. udelay(20);
  1371. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1372. }
  1373. }
  1374. }
  1375. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
  1376. static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code,
  1377. enum n_rssi_type type)
  1378. {
  1379. if (dev->phy.rev >= 3)
  1380. b43_nphy_rev3_rssi_select(dev, code, type);
  1381. else
  1382. b43_nphy_rev2_rssi_select(dev, code, type);
  1383. }
  1384. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
  1385. static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev,
  1386. enum n_rssi_type rssi_type, u8 *buf)
  1387. {
  1388. int i;
  1389. for (i = 0; i < 2; i++) {
  1390. if (rssi_type == N_RSSI_NB) {
  1391. if (i == 0) {
  1392. b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
  1393. 0xFC, buf[0]);
  1394. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1395. 0xFC, buf[1]);
  1396. } else {
  1397. b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
  1398. 0xFC, buf[2 * i]);
  1399. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1400. 0xFC, buf[2 * i + 1]);
  1401. }
  1402. } else {
  1403. if (i == 0)
  1404. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1405. 0xF3, buf[0] << 2);
  1406. else
  1407. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1408. 0xF3, buf[2 * i + 1] << 2);
  1409. }
  1410. }
  1411. }
  1412. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
  1413. static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type,
  1414. s32 *buf, u8 nsamp)
  1415. {
  1416. int i;
  1417. int out;
  1418. u16 save_regs_phy[9];
  1419. u16 s[2];
  1420. if (dev->phy.rev >= 3) {
  1421. save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1422. save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1423. save_regs_phy[2] = b43_phy_read(dev,
  1424. B43_NPHY_RFCTL_LUT_TRSW_UP1);
  1425. save_regs_phy[3] = b43_phy_read(dev,
  1426. B43_NPHY_RFCTL_LUT_TRSW_UP2);
  1427. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  1428. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1429. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
  1430. save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
  1431. save_regs_phy[8] = 0;
  1432. } else {
  1433. save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1434. save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1435. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1436. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
  1437. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  1438. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  1439. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  1440. save_regs_phy[7] = 0;
  1441. save_regs_phy[8] = 0;
  1442. }
  1443. b43_nphy_rssi_select(dev, 5, rssi_type);
  1444. if (dev->phy.rev < 2) {
  1445. save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
  1446. b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
  1447. }
  1448. for (i = 0; i < 4; i++)
  1449. buf[i] = 0;
  1450. for (i = 0; i < nsamp; i++) {
  1451. if (dev->phy.rev < 2) {
  1452. s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
  1453. s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
  1454. } else {
  1455. s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
  1456. s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
  1457. }
  1458. buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
  1459. buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
  1460. buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
  1461. buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
  1462. }
  1463. out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
  1464. (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
  1465. if (dev->phy.rev < 2)
  1466. b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
  1467. if (dev->phy.rev >= 3) {
  1468. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
  1469. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
  1470. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
  1471. save_regs_phy[2]);
  1472. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1473. save_regs_phy[3]);
  1474. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
  1475. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
  1476. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
  1477. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
  1478. } else {
  1479. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
  1480. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
  1481. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
  1482. b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
  1483. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
  1484. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
  1485. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
  1486. }
  1487. return out;
  1488. }
  1489. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
  1490. static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
  1491. {
  1492. struct b43_phy_n *nphy = dev->phy.n;
  1493. u16 saved_regs_phy_rfctl[2];
  1494. u16 saved_regs_phy[22];
  1495. u16 regs_to_store_rev3[] = {
  1496. B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
  1497. B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
  1498. B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
  1499. B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
  1500. B43_NPHY_RFCTL_CMD,
  1501. B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1502. B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
  1503. };
  1504. u16 regs_to_store_rev7[] = {
  1505. B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
  1506. B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
  1507. B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
  1508. 0x342, 0x343, 0x346, 0x347,
  1509. 0x2ff,
  1510. B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
  1511. B43_NPHY_RFCTL_CMD,
  1512. B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1513. 0x340, 0x341, 0x344, 0x345,
  1514. B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
  1515. };
  1516. u16 *regs_to_store;
  1517. int regs_amount;
  1518. u16 class;
  1519. u16 clip_state[2];
  1520. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1521. u8 vcm_final = 0;
  1522. s32 offset[4];
  1523. s32 results[8][4] = { };
  1524. s32 results_min[4] = { };
  1525. s32 poll_results[4] = { };
  1526. u16 *rssical_radio_regs = NULL;
  1527. u16 *rssical_phy_regs = NULL;
  1528. u16 r; /* routing */
  1529. u8 rx_core_state;
  1530. int core, i, j, vcm;
  1531. if (dev->phy.rev >= 7) {
  1532. regs_to_store = regs_to_store_rev7;
  1533. regs_amount = ARRAY_SIZE(regs_to_store_rev7);
  1534. } else {
  1535. regs_to_store = regs_to_store_rev3;
  1536. regs_amount = ARRAY_SIZE(regs_to_store_rev3);
  1537. }
  1538. BUG_ON(regs_amount > ARRAY_SIZE(saved_regs_phy));
  1539. class = b43_nphy_classifier(dev, 0, 0);
  1540. b43_nphy_classifier(dev, 7, 4);
  1541. b43_nphy_read_clip_detection(dev, clip_state);
  1542. b43_nphy_write_clip_detection(dev, clip_off);
  1543. saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1544. saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1545. for (i = 0; i < regs_amount; i++)
  1546. saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);
  1547. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_OFF, 0, 7);
  1548. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 1, 7);
  1549. if (dev->phy.rev >= 7) {
  1550. /* TODO */
  1551. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1552. } else {
  1553. }
  1554. } else {
  1555. b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false);
  1556. b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false);
  1557. b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false);
  1558. b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false);
  1559. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1560. b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false);
  1561. b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false);
  1562. } else {
  1563. b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false);
  1564. b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false);
  1565. }
  1566. }
  1567. rx_core_state = b43_nphy_get_rx_core_state(dev);
  1568. for (core = 0; core < 2; core++) {
  1569. if (!(rx_core_state & (1 << core)))
  1570. continue;
  1571. r = core ? B2056_RX1 : B2056_RX0;
  1572. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I,
  1573. N_RSSI_NB);
  1574. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q,
  1575. N_RSSI_NB);
  1576. /* Grab RSSI results for every possible VCM */
  1577. for (vcm = 0; vcm < 8; vcm++) {
  1578. if (dev->phy.rev >= 7)
  1579. ;
  1580. else
  1581. b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
  1582. 0xE3, vcm << 2);
  1583. b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8);
  1584. }
  1585. /* Find out which VCM got the best results */
  1586. for (i = 0; i < 4; i += 2) {
  1587. s32 currd;
  1588. s32 mind = 0x100000;
  1589. s32 minpoll = 249;
  1590. u8 minvcm = 0;
  1591. if (2 * core != i)
  1592. continue;
  1593. for (vcm = 0; vcm < 8; vcm++) {
  1594. currd = results[vcm][i] * results[vcm][i] +
  1595. results[vcm][i + 1] * results[vcm][i];
  1596. if (currd < mind) {
  1597. mind = currd;
  1598. minvcm = vcm;
  1599. }
  1600. if (results[vcm][i] < minpoll)
  1601. minpoll = results[vcm][i];
  1602. }
  1603. vcm_final = minvcm;
  1604. results_min[i] = minpoll;
  1605. }
  1606. /* Select the best VCM */
  1607. if (dev->phy.rev >= 7)
  1608. ;
  1609. else
  1610. b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
  1611. 0xE3, vcm_final << 2);
  1612. for (i = 0; i < 4; i++) {
  1613. if (core != i / 2)
  1614. continue;
  1615. offset[i] = -results[vcm_final][i];
  1616. if (offset[i] < 0)
  1617. offset[i] = -((abs(offset[i]) + 4) / 8);
  1618. else
  1619. offset[i] = (offset[i] + 4) / 8;
  1620. if (results_min[i] == 248)
  1621. offset[i] = -32;
  1622. b43_nphy_scale_offset_rssi(dev, 0, offset[i],
  1623. (i / 2 == 0) ? 1 : 2,
  1624. (i % 2 == 0) ? N_RAIL_I : N_RAIL_Q,
  1625. N_RSSI_NB);
  1626. }
  1627. }
  1628. for (core = 0; core < 2; core++) {
  1629. if (!(rx_core_state & (1 << core)))
  1630. continue;
  1631. for (i = 0; i < 2; i++) {
  1632. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
  1633. N_RAIL_I, i);
  1634. b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
  1635. N_RAIL_Q, i);
  1636. b43_nphy_poll_rssi(dev, i, poll_results, 8);
  1637. for (j = 0; j < 4; j++) {
  1638. if (j / 2 == core) {
  1639. offset[j] = 232 - poll_results[j];
  1640. if (offset[j] < 0)
  1641. offset[j] = -(abs(offset[j] + 4) / 8);
  1642. else
  1643. offset[j] = (offset[j] + 4) / 8;
  1644. b43_nphy_scale_offset_rssi(dev, 0,
  1645. offset[2 * core], core + 1, j % 2, i);
  1646. }
  1647. }
  1648. }
  1649. }
  1650. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]);
  1651. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]);
  1652. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  1653. b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1);
  1654. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START);
  1655. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
  1656. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  1657. b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
  1658. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1659. for (i = 0; i < regs_amount; i++)
  1660. b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);
  1661. /* Store for future configuration */
  1662. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1663. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  1664. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  1665. } else {
  1666. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  1667. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  1668. }
  1669. if (dev->phy.rev >= 7) {
  1670. } else {
  1671. rssical_radio_regs[0] = b43_radio_read(dev, B2056_RX0 |
  1672. B2056_RX_RSSI_MISC);
  1673. rssical_radio_regs[1] = b43_radio_read(dev, B2056_RX1 |
  1674. B2056_RX_RSSI_MISC);
  1675. }
  1676. rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z);
  1677. rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z);
  1678. rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z);
  1679. rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z);
  1680. rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X);
  1681. rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X);
  1682. rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X);
  1683. rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X);
  1684. rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y);
  1685. rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y);
  1686. rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y);
  1687. rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y);
  1688. /* Remember for which channel we store configuration */
  1689. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  1690. nphy->rssical_chanspec_2G.center_freq = dev->phy.channel_freq;
  1691. else
  1692. nphy->rssical_chanspec_5G.center_freq = dev->phy.channel_freq;
  1693. /* End of calibration, restore configuration */
  1694. b43_nphy_classifier(dev, 7, class);
  1695. b43_nphy_write_clip_detection(dev, clip_state);
  1696. }
  1697. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
  1698. static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type)
  1699. {
  1700. int i, j, vcm;
  1701. u8 state[4];
  1702. u8 code, val;
  1703. u16 class, override;
  1704. u8 regs_save_radio[2];
  1705. u16 regs_save_phy[2];
  1706. s32 offset[4];
  1707. u8 core;
  1708. u8 rail;
  1709. u16 clip_state[2];
  1710. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1711. s32 results_min[4] = { };
  1712. u8 vcm_final[4] = { };
  1713. s32 results[4][4] = { };
  1714. s32 miniq[4][2] = { };
  1715. if (type == N_RSSI_NB) {
  1716. code = 0;
  1717. val = 6;
  1718. } else if (type == N_RSSI_W1 || type == N_RSSI_W2) {
  1719. code = 25;
  1720. val = 4;
  1721. } else {
  1722. B43_WARN_ON(1);
  1723. return;
  1724. }
  1725. class = b43_nphy_classifier(dev, 0, 0);
  1726. b43_nphy_classifier(dev, 7, 4);
  1727. b43_nphy_read_clip_detection(dev, clip_state);
  1728. b43_nphy_write_clip_detection(dev, clip_off);
  1729. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1730. override = 0x140;
  1731. else
  1732. override = 0x110;
  1733. regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1734. regs_save_radio[0] = b43_radio_read(dev, B2055_C1_PD_RXTX);
  1735. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
  1736. b43_radio_write(dev, B2055_C1_PD_RXTX, val);
  1737. regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1738. regs_save_radio[1] = b43_radio_read(dev, B2055_C2_PD_RXTX);
  1739. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
  1740. b43_radio_write(dev, B2055_C2_PD_RXTX, val);
  1741. state[0] = b43_radio_read(dev, B2055_C1_PD_RSSIMISC) & 0x07;
  1742. state[1] = b43_radio_read(dev, B2055_C2_PD_RSSIMISC) & 0x07;
  1743. b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
  1744. b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
  1745. state[2] = b43_radio_read(dev, B2055_C1_SP_RSSI) & 0x07;
  1746. state[3] = b43_radio_read(dev, B2055_C2_SP_RSSI) & 0x07;
  1747. b43_nphy_rssi_select(dev, 5, type);
  1748. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_I, type);
  1749. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_Q, type);
  1750. for (vcm = 0; vcm < 4; vcm++) {
  1751. u8 tmp[4];
  1752. for (j = 0; j < 4; j++)
  1753. tmp[j] = vcm;
  1754. if (type != N_RSSI_W2)
  1755. b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
  1756. b43_nphy_poll_rssi(dev, type, results[vcm], 8);
  1757. if (type == N_RSSI_W1 || type == N_RSSI_W2)
  1758. for (j = 0; j < 2; j++)
  1759. miniq[vcm][j] = min(results[vcm][2 * j],
  1760. results[vcm][2 * j + 1]);
  1761. }
  1762. for (i = 0; i < 4; i++) {
  1763. s32 mind = 0x100000;
  1764. u8 minvcm = 0;
  1765. s32 minpoll = 249;
  1766. s32 currd;
  1767. for (vcm = 0; vcm < 4; vcm++) {
  1768. if (type == N_RSSI_NB)
  1769. currd = abs(results[vcm][i] - code * 8);
  1770. else
  1771. currd = abs(miniq[vcm][i / 2] - code * 8);
  1772. if (currd < mind) {
  1773. mind = currd;
  1774. minvcm = vcm;
  1775. }
  1776. if (results[vcm][i] < minpoll)
  1777. minpoll = results[vcm][i];
  1778. }
  1779. results_min[i] = minpoll;
  1780. vcm_final[i] = minvcm;
  1781. }
  1782. if (type != N_RSSI_W2)
  1783. b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
  1784. for (i = 0; i < 4; i++) {
  1785. offset[i] = (code * 8) - results[vcm_final[i]][i];
  1786. if (offset[i] < 0)
  1787. offset[i] = -((abs(offset[i]) + 4) / 8);
  1788. else
  1789. offset[i] = (offset[i] + 4) / 8;
  1790. if (results_min[i] == 248)
  1791. offset[i] = code - 32;
  1792. core = (i / 2) ? 2 : 1;
  1793. rail = (i % 2) ? N_RAIL_Q : N_RAIL_I;
  1794. b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
  1795. type);
  1796. }
  1797. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
  1798. b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
  1799. switch (state[2]) {
  1800. case 1:
  1801. b43_nphy_rssi_select(dev, 1, N_RSSI_NB);
  1802. break;
  1803. case 4:
  1804. b43_nphy_rssi_select(dev, 1, N_RSSI_W1);
  1805. break;
  1806. case 2:
  1807. b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
  1808. break;
  1809. default:
  1810. b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
  1811. break;
  1812. }
  1813. switch (state[3]) {
  1814. case 1:
  1815. b43_nphy_rssi_select(dev, 2, N_RSSI_NB);
  1816. break;
  1817. case 4:
  1818. b43_nphy_rssi_select(dev, 2, N_RSSI_W1);
  1819. break;
  1820. default:
  1821. b43_nphy_rssi_select(dev, 2, N_RSSI_W2);
  1822. break;
  1823. }
  1824. b43_nphy_rssi_select(dev, 0, type);
  1825. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
  1826. b43_radio_write(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
  1827. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
  1828. b43_radio_write(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
  1829. b43_nphy_classifier(dev, 7, class);
  1830. b43_nphy_write_clip_detection(dev, clip_state);
  1831. /* Specs don't say about reset here, but it makes wl and b43 dumps
  1832. identical, it really seems wl performs this */
  1833. b43_nphy_reset_cca(dev);
  1834. }
  1835. /*
  1836. * RSSI Calibration
  1837. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
  1838. */
  1839. static void b43_nphy_rssi_cal(struct b43_wldev *dev)
  1840. {
  1841. if (dev->phy.rev >= 3) {
  1842. b43_nphy_rev3_rssi_cal(dev);
  1843. } else {
  1844. b43_nphy_rev2_rssi_cal(dev, N_RSSI_NB);
  1845. b43_nphy_rev2_rssi_cal(dev, N_RSSI_W1);
  1846. b43_nphy_rev2_rssi_cal(dev, N_RSSI_W2);
  1847. }
  1848. }
  1849. /**************************************************
  1850. * Workarounds
  1851. **************************************************/
  1852. static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
  1853. {
  1854. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1855. bool ghz5;
  1856. bool ext_lna;
  1857. u16 rssi_gain;
  1858. struct nphy_gain_ctl_workaround_entry *e;
  1859. u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
  1860. u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
  1861. /* Prepare values */
  1862. ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
  1863. & B43_NPHY_BANDCTL_5GHZ;
  1864. ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
  1865. sprom->boardflags_lo & B43_BFL_EXTLNA;
  1866. e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
  1867. if (ghz5 && dev->phy.rev >= 5)
  1868. rssi_gain = 0x90;
  1869. else
  1870. rssi_gain = 0x50;
  1871. b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
  1872. /* Set Clip 2 detect */
  1873. b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
  1874. b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
  1875. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1876. 0x17);
  1877. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1878. 0x17);
  1879. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
  1880. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
  1881. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
  1882. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
  1883. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
  1884. rssi_gain);
  1885. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
  1886. rssi_gain);
  1887. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1888. 0x17);
  1889. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1890. 0x17);
  1891. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
  1892. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
  1893. b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
  1894. b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
  1895. b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
  1896. b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
  1897. b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
  1898. b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
  1899. b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
  1900. b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
  1901. b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
  1902. b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
  1903. b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
  1904. b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
  1905. b43_phy_write(dev, B43_NPHY_REV3_C1_INITGAIN_A, e->init_gain);
  1906. b43_phy_write(dev, B43_NPHY_REV3_C2_INITGAIN_A, e->init_gain);
  1907. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
  1908. e->rfseq_init);
  1909. b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_HIGAIN_A, e->cliphi_gain);
  1910. b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_HIGAIN_A, e->cliphi_gain);
  1911. b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_MEDGAIN_A, e->clipmd_gain);
  1912. b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_MEDGAIN_A, e->clipmd_gain);
  1913. b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_A, e->cliplo_gain);
  1914. b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_A, e->cliplo_gain);
  1915. b43_phy_maskset(dev, B43_NPHY_CRSMINPOWER0, 0xFF00, e->crsmin);
  1916. b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERL0, 0xFF00, e->crsminl);
  1917. b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERU0, 0xFF00, e->crsminu);
  1918. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
  1919. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
  1920. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1921. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
  1922. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1923. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
  1924. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1925. }
  1926. static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
  1927. {
  1928. struct b43_phy_n *nphy = dev->phy.n;
  1929. u8 i, j;
  1930. u8 code;
  1931. u16 tmp;
  1932. u8 rfseq_events[3] = { 6, 8, 7 };
  1933. u8 rfseq_delays[3] = { 10, 30, 1 };
  1934. /* Set Clip 2 detect */
  1935. b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
  1936. b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
  1937. /* Set narrowband clip threshold */
  1938. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
  1939. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
  1940. if (!dev->phy.is_40mhz) {
  1941. /* Set dwell lengths */
  1942. b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
  1943. b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
  1944. b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
  1945. b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
  1946. }
  1947. /* Set wideband clip 2 threshold */
  1948. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1949. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
  1950. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1951. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
  1952. if (!dev->phy.is_40mhz) {
  1953. b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
  1954. ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
  1955. b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
  1956. ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
  1957. b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
  1958. ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
  1959. b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
  1960. ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
  1961. }
  1962. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1963. if (nphy->gain_boost) {
  1964. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
  1965. dev->phy.is_40mhz)
  1966. code = 4;
  1967. else
  1968. code = 5;
  1969. } else {
  1970. code = dev->phy.is_40mhz ? 6 : 7;
  1971. }
  1972. /* Set HPVGA2 index */
  1973. b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
  1974. code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
  1975. b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
  1976. code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
  1977. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1978. /* specs say about 2 loops, but wl does 4 */
  1979. for (i = 0; i < 4; i++)
  1980. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
  1981. b43_nphy_adjust_lna_gain_table(dev);
  1982. if (nphy->elna_gain_config) {
  1983. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
  1984. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1985. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1986. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1987. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1988. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
  1989. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1990. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1991. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1992. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1993. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1994. /* specs say about 2 loops, but wl does 4 */
  1995. for (i = 0; i < 4; i++)
  1996. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1997. (code << 8 | 0x74));
  1998. }
  1999. if (dev->phy.rev == 2) {
  2000. for (i = 0; i < 4; i++) {
  2001. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  2002. (0x0400 * i) + 0x0020);
  2003. for (j = 0; j < 21; j++) {
  2004. tmp = j * (i < 2 ? 3 : 1);
  2005. b43_phy_write(dev,
  2006. B43_NPHY_TABLE_DATALO, tmp);
  2007. }
  2008. }
  2009. }
  2010. b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
  2011. b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
  2012. ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
  2013. 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
  2014. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2015. b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
  2016. }
  2017. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
  2018. static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
  2019. {
  2020. if (dev->phy.rev >= 7)
  2021. ; /* TODO */
  2022. else if (dev->phy.rev >= 3)
  2023. b43_nphy_gain_ctl_workarounds_rev3plus(dev);
  2024. else
  2025. b43_nphy_gain_ctl_workarounds_rev1_2(dev);
  2026. }
  2027. /* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
  2028. static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
  2029. {
  2030. if (!offset)
  2031. offset = (dev->phy.is_40mhz) ? 0x159 : 0x154;
  2032. return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
  2033. }
  2034. static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
  2035. {
  2036. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2037. struct b43_phy *phy = &dev->phy;
  2038. u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
  2039. 0x1F };
  2040. u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
  2041. u16 ntab7_15e_16e[] = { 0x10f, 0x10f };
  2042. u8 ntab7_138_146[] = { 0x11, 0x11 };
  2043. u8 ntab7_133[] = { 0x77, 0x11, 0x11 };
  2044. u16 lpf_20, lpf_40, lpf_11b;
  2045. u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40;
  2046. u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40;
  2047. bool rccal_ovrd = false;
  2048. u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n;
  2049. u16 bias, conv, filt;
  2050. u32 tmp32;
  2051. u8 core;
  2052. if (phy->rev == 7) {
  2053. b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
  2054. b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
  2055. b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
  2056. b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
  2057. b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
  2058. b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
  2059. b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
  2060. b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
  2061. b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
  2062. b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
  2063. b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
  2064. b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
  2065. b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
  2066. b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
  2067. b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
  2068. b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
  2069. b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
  2070. }
  2071. if (phy->rev <= 8) {
  2072. b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1B0);
  2073. b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1B0);
  2074. }
  2075. if (phy->rev >= 8)
  2076. b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);
  2077. b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
  2078. b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
  2079. tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
  2080. tmp32 &= 0xffffff;
  2081. b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
  2082. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e);
  2083. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e);
  2084. if (b43_nphy_ipa(dev))
  2085. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
  2086. rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
  2087. b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_0, 0x3FFF, 0x4000);
  2088. b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_1, 0x3FFF, 0x4000);
  2089. lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154);
  2090. lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159);
  2091. lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152);
  2092. if (b43_nphy_ipa(dev)) {
  2093. if ((phy->radio_rev == 5 && phy->is_40mhz) ||
  2094. phy->radio_rev == 7 || phy->radio_rev == 8) {
  2095. bcap_val = b43_radio_read(dev, 0x16b);
  2096. scap_val = b43_radio_read(dev, 0x16a);
  2097. scap_val_11b = scap_val;
  2098. bcap_val_11b = bcap_val;
  2099. if (phy->radio_rev == 5 && phy->is_40mhz) {
  2100. scap_val_11n_20 = scap_val;
  2101. bcap_val_11n_20 = bcap_val;
  2102. scap_val_11n_40 = bcap_val_11n_40 = 0xc;
  2103. rccal_ovrd = true;
  2104. } else { /* Rev 7/8 */
  2105. lpf_20 = 4;
  2106. lpf_11b = 1;
  2107. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2108. scap_val_11n_20 = 0xc;
  2109. bcap_val_11n_20 = 0xc;
  2110. scap_val_11n_40 = 0xa;
  2111. bcap_val_11n_40 = 0xa;
  2112. } else {
  2113. scap_val_11n_20 = 0x14;
  2114. bcap_val_11n_20 = 0x14;
  2115. scap_val_11n_40 = 0xf;
  2116. bcap_val_11n_40 = 0xf;
  2117. }
  2118. rccal_ovrd = true;
  2119. }
  2120. }
  2121. } else {
  2122. if (phy->radio_rev == 5) {
  2123. lpf_20 = 1;
  2124. lpf_40 = 3;
  2125. bcap_val = b43_radio_read(dev, 0x16b);
  2126. scap_val = b43_radio_read(dev, 0x16a);
  2127. scap_val_11b = scap_val;
  2128. bcap_val_11b = bcap_val;
  2129. scap_val_11n_20 = 0x11;
  2130. scap_val_11n_40 = 0x11;
  2131. bcap_val_11n_20 = 0x13;
  2132. bcap_val_11n_40 = 0x13;
  2133. rccal_ovrd = true;
  2134. }
  2135. }
  2136. if (rccal_ovrd) {
  2137. rx2tx_lut_20_11b = (bcap_val_11b << 8) |
  2138. (scap_val_11b << 3) |
  2139. lpf_11b;
  2140. rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) |
  2141. (scap_val_11n_20 << 3) |
  2142. lpf_20;
  2143. rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) |
  2144. (scap_val_11n_40 << 3) |
  2145. lpf_40;
  2146. for (core = 0; core < 2; core++) {
  2147. b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
  2148. rx2tx_lut_20_11b);
  2149. b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
  2150. rx2tx_lut_20_11n);
  2151. b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
  2152. rx2tx_lut_20_11n);
  2153. b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
  2154. rx2tx_lut_40_11n);
  2155. b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
  2156. rx2tx_lut_40_11n);
  2157. b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
  2158. rx2tx_lut_40_11n);
  2159. b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
  2160. rx2tx_lut_40_11n);
  2161. b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
  2162. rx2tx_lut_40_11n);
  2163. }
  2164. b43_nphy_rf_ctl_override_rev7(dev, 16, 1, 3, false, 2);
  2165. }
  2166. b43_phy_write(dev, 0x32F, 0x3);
  2167. if (phy->radio_rev == 4 || phy->radio_rev == 6)
  2168. b43_nphy_rf_ctl_override_rev7(dev, 4, 1, 3, false, 0);
  2169. if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
  2170. if (sprom->revision &&
  2171. sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
  2172. b43_radio_write(dev, 0x5, 0x05);
  2173. b43_radio_write(dev, 0x6, 0x30);
  2174. b43_radio_write(dev, 0x7, 0x00);
  2175. b43_radio_set(dev, 0x4f, 0x1);
  2176. b43_radio_set(dev, 0xd4, 0x1);
  2177. bias = 0x1f;
  2178. conv = 0x6f;
  2179. filt = 0xaa;
  2180. } else {
  2181. bias = 0x2b;
  2182. conv = 0x7f;
  2183. filt = 0xee;
  2184. }
  2185. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2186. for (core = 0; core < 2; core++) {
  2187. if (core == 0) {
  2188. b43_radio_write(dev, 0x5F, bias);
  2189. b43_radio_write(dev, 0x64, conv);
  2190. b43_radio_write(dev, 0x66, filt);
  2191. } else {
  2192. b43_radio_write(dev, 0xE8, bias);
  2193. b43_radio_write(dev, 0xE9, conv);
  2194. b43_radio_write(dev, 0xEB, filt);
  2195. }
  2196. }
  2197. }
  2198. }
  2199. if (b43_nphy_ipa(dev)) {
  2200. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2201. if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
  2202. phy->radio_rev == 6) {
  2203. for (core = 0; core < 2; core++) {
  2204. if (core == 0)
  2205. b43_radio_write(dev, 0x51,
  2206. 0x7f);
  2207. else
  2208. b43_radio_write(dev, 0xd6,
  2209. 0x7f);
  2210. }
  2211. }
  2212. if (phy->radio_rev == 3) {
  2213. for (core = 0; core < 2; core++) {
  2214. if (core == 0) {
  2215. b43_radio_write(dev, 0x64,
  2216. 0x13);
  2217. b43_radio_write(dev, 0x5F,
  2218. 0x1F);
  2219. b43_radio_write(dev, 0x66,
  2220. 0xEE);
  2221. b43_radio_write(dev, 0x59,
  2222. 0x8A);
  2223. b43_radio_write(dev, 0x80,
  2224. 0x3E);
  2225. } else {
  2226. b43_radio_write(dev, 0x69,
  2227. 0x13);
  2228. b43_radio_write(dev, 0xE8,
  2229. 0x1F);
  2230. b43_radio_write(dev, 0xEB,
  2231. 0xEE);
  2232. b43_radio_write(dev, 0xDE,
  2233. 0x8A);
  2234. b43_radio_write(dev, 0x105,
  2235. 0x3E);
  2236. }
  2237. }
  2238. } else if (phy->radio_rev == 7 || phy->radio_rev == 8) {
  2239. if (!phy->is_40mhz) {
  2240. b43_radio_write(dev, 0x5F, 0x14);
  2241. b43_radio_write(dev, 0xE8, 0x12);
  2242. } else {
  2243. b43_radio_write(dev, 0x5F, 0x16);
  2244. b43_radio_write(dev, 0xE8, 0x16);
  2245. }
  2246. }
  2247. } else {
  2248. u16 freq = phy->channel_freq;
  2249. if ((freq >= 5180 && freq <= 5230) ||
  2250. (freq >= 5745 && freq <= 5805)) {
  2251. b43_radio_write(dev, 0x7D, 0xFF);
  2252. b43_radio_write(dev, 0xFE, 0xFF);
  2253. }
  2254. }
  2255. } else {
  2256. if (phy->radio_rev != 5) {
  2257. for (core = 0; core < 2; core++) {
  2258. if (core == 0) {
  2259. b43_radio_write(dev, 0x5c, 0x61);
  2260. b43_radio_write(dev, 0x51, 0x70);
  2261. } else {
  2262. b43_radio_write(dev, 0xe1, 0x61);
  2263. b43_radio_write(dev, 0xd6, 0x70);
  2264. }
  2265. }
  2266. }
  2267. }
  2268. if (phy->radio_rev == 4) {
  2269. b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
  2270. b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
  2271. for (core = 0; core < 2; core++) {
  2272. if (core == 0) {
  2273. b43_radio_write(dev, 0x1a1, 0x00);
  2274. b43_radio_write(dev, 0x1a2, 0x3f);
  2275. b43_radio_write(dev, 0x1a6, 0x3f);
  2276. } else {
  2277. b43_radio_write(dev, 0x1a7, 0x00);
  2278. b43_radio_write(dev, 0x1ab, 0x3f);
  2279. b43_radio_write(dev, 0x1ac, 0x3f);
  2280. }
  2281. }
  2282. } else {
  2283. b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
  2284. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
  2285. b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
  2286. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);
  2287. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
  2288. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
  2289. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
  2290. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
  2291. b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
  2292. b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
  2293. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
  2294. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
  2295. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
  2296. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
  2297. }
  2298. b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);
  2299. b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
  2300. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146);
  2301. b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
  2302. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133);
  2303. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146);
  2304. b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
  2305. b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);
  2306. if (!phy->is_40mhz) {
  2307. b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D);
  2308. b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D);
  2309. } else {
  2310. b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D);
  2311. b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D);
  2312. }
  2313. b43_nphy_gain_ctl_workarounds(dev);
  2314. /* TODO
  2315. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
  2316. aux_adc_vmid_rev7_core0);
  2317. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
  2318. aux_adc_vmid_rev7_core1);
  2319. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
  2320. aux_adc_gain_rev7);
  2321. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
  2322. aux_adc_gain_rev7);
  2323. */
  2324. }
  2325. static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
  2326. {
  2327. struct b43_phy_n *nphy = dev->phy.n;
  2328. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2329. /* TX to RX */
  2330. u8 tx2rx_events[7] = { 0x4, 0x3, 0x5, 0x2, 0x1, 0x8, 0x1F };
  2331. u8 tx2rx_delays[7] = { 8, 4, 4, 4, 4, 6, 1 };
  2332. /* RX to TX */
  2333. u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
  2334. 0x1F };
  2335. u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
  2336. u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
  2337. u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
  2338. u16 vmids[5][4] = {
  2339. { 0xa2, 0xb4, 0xb4, 0x89, }, /* 0 */
  2340. { 0xb4, 0xb4, 0xb4, 0x24, }, /* 1 */
  2341. { 0xa2, 0xb4, 0xb4, 0x74, }, /* 2 */
  2342. { 0xa2, 0xb4, 0xb4, 0x270, }, /* 3 */
  2343. { 0xa2, 0xb4, 0xb4, 0x00, }, /* 4 and 5 */
  2344. };
  2345. u16 gains[5][4] = {
  2346. { 0x02, 0x02, 0x02, 0x00, }, /* 0 */
  2347. { 0x02, 0x02, 0x02, 0x02, }, /* 1 */
  2348. { 0x02, 0x02, 0x02, 0x04, }, /* 2 */
  2349. { 0x02, 0x02, 0x02, 0x00, }, /* 3 */
  2350. { 0x02, 0x02, 0x02, 0x00, }, /* 4 and 5 */
  2351. };
  2352. u16 *vmid, *gain;
  2353. u8 pdet_range;
  2354. u16 tmp16;
  2355. u32 tmp32;
  2356. b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1f8);
  2357. b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1f8);
  2358. tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
  2359. tmp32 &= 0xffffff;
  2360. b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
  2361. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
  2362. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
  2363. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
  2364. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
  2365. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
  2366. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
  2367. b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_B, 0x000C);
  2368. b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_B, 0x000C);
  2369. /* TX to RX */
  2370. b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
  2371. ARRAY_SIZE(tx2rx_events));
  2372. /* RX to TX */
  2373. if (b43_nphy_ipa(dev))
  2374. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
  2375. rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
  2376. if (nphy->hw_phyrxchain != 3 &&
  2377. nphy->hw_phyrxchain != nphy->hw_phytxchain) {
  2378. if (b43_nphy_ipa(dev)) {
  2379. rx2tx_delays[5] = 59;
  2380. rx2tx_delays[6] = 1;
  2381. rx2tx_events[7] = 0x1F;
  2382. }
  2383. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
  2384. ARRAY_SIZE(rx2tx_events));
  2385. }
  2386. tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
  2387. 0x2 : 0x9C40;
  2388. b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
  2389. b43_phy_maskset(dev, B43_NPHY_SGILTRNOFFSET, 0xF0FF, 0x0700);
  2390. if (!dev->phy.is_40mhz) {
  2391. b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
  2392. b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
  2393. } else {
  2394. b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D);
  2395. b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D);
  2396. }
  2397. b43_nphy_gain_ctl_workarounds(dev);
  2398. b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
  2399. b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
  2400. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2401. pdet_range = sprom->fem.ghz2.pdet_range;
  2402. else
  2403. pdet_range = sprom->fem.ghz5.pdet_range;
  2404. vmid = vmids[min_t(u16, pdet_range, 4)];
  2405. gain = gains[min_t(u16, pdet_range, 4)];
  2406. switch (pdet_range) {
  2407. case 3:
  2408. if (!(dev->phy.rev >= 4 &&
  2409. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
  2410. break;
  2411. /* FALL THROUGH */
  2412. case 0:
  2413. case 1:
  2414. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
  2415. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
  2416. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
  2417. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
  2418. break;
  2419. case 2:
  2420. if (dev->phy.rev >= 6) {
  2421. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2422. vmid[3] = 0x94;
  2423. else
  2424. vmid[3] = 0x8e;
  2425. gain[3] = 3;
  2426. } else if (dev->phy.rev == 5) {
  2427. vmid[3] = 0x84;
  2428. gain[3] = 2;
  2429. }
  2430. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
  2431. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
  2432. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
  2433. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
  2434. break;
  2435. case 4:
  2436. case 5:
  2437. if (b43_current_band(dev->wl) != IEEE80211_BAND_2GHZ) {
  2438. if (pdet_range == 4) {
  2439. vmid[3] = 0x8e;
  2440. tmp16 = 0x96;
  2441. gain[3] = 0x2;
  2442. } else {
  2443. vmid[3] = 0x89;
  2444. tmp16 = 0x89;
  2445. gain[3] = 0;
  2446. }
  2447. } else {
  2448. if (pdet_range == 4) {
  2449. vmid[3] = 0x89;
  2450. tmp16 = 0x8b;
  2451. gain[3] = 0x2;
  2452. } else {
  2453. vmid[3] = 0x74;
  2454. tmp16 = 0x70;
  2455. gain[3] = 0;
  2456. }
  2457. }
  2458. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
  2459. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
  2460. vmid[3] = tmp16;
  2461. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
  2462. b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
  2463. break;
  2464. }
  2465. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  2466. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  2467. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  2468. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  2469. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  2470. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  2471. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  2472. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  2473. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  2474. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  2475. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  2476. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  2477. /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
  2478. if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  2479. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
  2480. (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  2481. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
  2482. tmp32 = 0x00088888;
  2483. else
  2484. tmp32 = 0x88888888;
  2485. b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
  2486. b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
  2487. b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
  2488. if (dev->phy.rev == 4 &&
  2489. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2490. b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
  2491. 0x70);
  2492. b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
  2493. 0x70);
  2494. }
  2495. /* Dropped probably-always-true condition */
  2496. b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH0, 0x03eb);
  2497. b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH1, 0x03eb);
  2498. b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH0, 0x0341);
  2499. b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341);
  2500. b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH0, 0x042b);
  2501. b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH1, 0x042b);
  2502. b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH0, 0x0381);
  2503. b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH1, 0x0381);
  2504. b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH0, 0x042b);
  2505. b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH1, 0x042b);
  2506. b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH0, 0x0381);
  2507. b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH1, 0x0381);
  2508. if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
  2509. ; /* TODO: 0x0080000000000000 HF */
  2510. }
  2511. static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
  2512. {
  2513. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2514. struct b43_phy *phy = &dev->phy;
  2515. struct b43_phy_n *nphy = phy->n;
  2516. u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
  2517. u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
  2518. u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
  2519. u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
  2520. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
  2521. dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93) {
  2522. delays1[0] = 0x1;
  2523. delays1[5] = 0x14;
  2524. }
  2525. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
  2526. nphy->band5g_pwrgain) {
  2527. b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
  2528. b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
  2529. } else {
  2530. b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
  2531. b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
  2532. }
  2533. b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
  2534. b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
  2535. if (dev->phy.rev < 3) {
  2536. b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
  2537. b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
  2538. }
  2539. if (dev->phy.rev < 2) {
  2540. b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
  2541. b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
  2542. b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
  2543. b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
  2544. b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
  2545. b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
  2546. }
  2547. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  2548. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  2549. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  2550. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  2551. b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
  2552. b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
  2553. b43_nphy_gain_ctl_workarounds(dev);
  2554. if (dev->phy.rev < 2) {
  2555. if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
  2556. b43_hf_write(dev, b43_hf_read(dev) |
  2557. B43_HF_MLADVW);
  2558. } else if (dev->phy.rev == 2) {
  2559. b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
  2560. b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
  2561. }
  2562. if (dev->phy.rev < 2)
  2563. b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
  2564. ~B43_NPHY_SCRAM_SIGCTL_SCM);
  2565. /* Set phase track alpha and beta */
  2566. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
  2567. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
  2568. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
  2569. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
  2570. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
  2571. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
  2572. if (dev->phy.rev < 3) {
  2573. b43_phy_mask(dev, B43_NPHY_PIL_DW1,
  2574. ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
  2575. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
  2576. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
  2577. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
  2578. }
  2579. if (dev->phy.rev == 2)
  2580. b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
  2581. B43_NPHY_FINERX2_CGC_DECGC);
  2582. }
  2583. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
  2584. static void b43_nphy_workarounds(struct b43_wldev *dev)
  2585. {
  2586. struct b43_phy *phy = &dev->phy;
  2587. struct b43_phy_n *nphy = phy->n;
  2588. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  2589. b43_nphy_classifier(dev, 1, 0);
  2590. else
  2591. b43_nphy_classifier(dev, 1, 1);
  2592. if (nphy->hang_avoid)
  2593. b43_nphy_stay_in_carrier_search(dev, 1);
  2594. b43_phy_set(dev, B43_NPHY_IQFLIP,
  2595. B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
  2596. if (dev->phy.rev >= 7)
  2597. b43_nphy_workarounds_rev7plus(dev);
  2598. else if (dev->phy.rev >= 3)
  2599. b43_nphy_workarounds_rev3plus(dev);
  2600. else
  2601. b43_nphy_workarounds_rev1_2(dev);
  2602. if (nphy->hang_avoid)
  2603. b43_nphy_stay_in_carrier_search(dev, 0);
  2604. }
  2605. /**************************************************
  2606. * Tx/Rx common
  2607. **************************************************/
  2608. /*
  2609. * Transmits a known value for LO calibration
  2610. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
  2611. */
  2612. static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
  2613. bool iqmode, bool dac_test)
  2614. {
  2615. u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
  2616. if (samp == 0)
  2617. return -1;
  2618. b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
  2619. return 0;
  2620. }
  2621. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
  2622. static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
  2623. {
  2624. struct b43_phy_n *nphy = dev->phy.n;
  2625. bool override = false;
  2626. u16 chain = 0x33;
  2627. if (nphy->txrx_chain == 0) {
  2628. chain = 0x11;
  2629. override = true;
  2630. } else if (nphy->txrx_chain == 1) {
  2631. chain = 0x22;
  2632. override = true;
  2633. }
  2634. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  2635. ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
  2636. chain);
  2637. if (override)
  2638. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  2639. B43_NPHY_RFSEQMODE_CAOVER);
  2640. else
  2641. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  2642. ~B43_NPHY_RFSEQMODE_CAOVER);
  2643. }
  2644. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
  2645. static void b43_nphy_stop_playback(struct b43_wldev *dev)
  2646. {
  2647. struct b43_phy_n *nphy = dev->phy.n;
  2648. u16 tmp;
  2649. if (nphy->hang_avoid)
  2650. b43_nphy_stay_in_carrier_search(dev, 1);
  2651. tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
  2652. if (tmp & 0x1)
  2653. b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
  2654. else if (tmp & 0x2)
  2655. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  2656. b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
  2657. if (nphy->bb_mult_save & 0x80000000) {
  2658. tmp = nphy->bb_mult_save & 0xFFFF;
  2659. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  2660. nphy->bb_mult_save = 0;
  2661. }
  2662. if (nphy->hang_avoid)
  2663. b43_nphy_stay_in_carrier_search(dev, 0);
  2664. }
  2665. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
  2666. static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
  2667. struct nphy_txgains target,
  2668. struct nphy_iqcal_params *params)
  2669. {
  2670. int i, j, indx;
  2671. u16 gain;
  2672. if (dev->phy.rev >= 3) {
  2673. params->txgm = target.txgm[core];
  2674. params->pga = target.pga[core];
  2675. params->pad = target.pad[core];
  2676. params->ipa = target.ipa[core];
  2677. params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
  2678. (params->pad << 4) | (params->ipa);
  2679. for (j = 0; j < 5; j++)
  2680. params->ncorr[j] = 0x79;
  2681. } else {
  2682. gain = (target.pad[core]) | (target.pga[core] << 4) |
  2683. (target.txgm[core] << 8);
  2684. indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
  2685. 1 : 0;
  2686. for (i = 0; i < 9; i++)
  2687. if (tbl_iqcal_gainparams[indx][i][0] == gain)
  2688. break;
  2689. i = min(i, 8);
  2690. params->txgm = tbl_iqcal_gainparams[indx][i][1];
  2691. params->pga = tbl_iqcal_gainparams[indx][i][2];
  2692. params->pad = tbl_iqcal_gainparams[indx][i][3];
  2693. params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
  2694. (params->pad << 2);
  2695. for (j = 0; j < 4; j++)
  2696. params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
  2697. }
  2698. }
  2699. /**************************************************
  2700. * Tx and Rx
  2701. **************************************************/
  2702. static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
  2703. {//TODO
  2704. }
  2705. static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
  2706. bool ignore_tssi)
  2707. {//TODO
  2708. return B43_TXPWR_RES_DONE;
  2709. }
  2710. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
  2711. static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
  2712. {
  2713. struct b43_phy_n *nphy = dev->phy.n;
  2714. u8 i;
  2715. u16 bmask, val, tmp;
  2716. enum ieee80211_band band = b43_current_band(dev->wl);
  2717. if (nphy->hang_avoid)
  2718. b43_nphy_stay_in_carrier_search(dev, 1);
  2719. nphy->txpwrctrl = enable;
  2720. if (!enable) {
  2721. if (dev->phy.rev >= 3 &&
  2722. (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
  2723. (B43_NPHY_TXPCTL_CMD_COEFF |
  2724. B43_NPHY_TXPCTL_CMD_HWPCTLEN |
  2725. B43_NPHY_TXPCTL_CMD_PCTLEN))) {
  2726. /* We disable enabled TX pwr ctl, save it's state */
  2727. nphy->tx_pwr_idx[0] = b43_phy_read(dev,
  2728. B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
  2729. nphy->tx_pwr_idx[1] = b43_phy_read(dev,
  2730. B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
  2731. }
  2732. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
  2733. for (i = 0; i < 84; i++)
  2734. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  2735. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
  2736. for (i = 0; i < 84; i++)
  2737. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  2738. tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  2739. if (dev->phy.rev >= 3)
  2740. tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  2741. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
  2742. if (dev->phy.rev >= 3) {
  2743. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  2744. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  2745. } else {
  2746. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  2747. }
  2748. if (dev->phy.rev == 2)
  2749. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  2750. ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
  2751. else if (dev->phy.rev < 2)
  2752. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  2753. ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
  2754. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  2755. b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
  2756. } else {
  2757. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
  2758. nphy->adj_pwr_tbl);
  2759. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
  2760. nphy->adj_pwr_tbl);
  2761. bmask = B43_NPHY_TXPCTL_CMD_COEFF |
  2762. B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  2763. /* wl does useless check for "enable" param here */
  2764. val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  2765. if (dev->phy.rev >= 3) {
  2766. bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  2767. if (val)
  2768. val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  2769. }
  2770. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
  2771. if (band == IEEE80211_BAND_5GHZ) {
  2772. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2773. ~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
  2774. if (dev->phy.rev > 1)
  2775. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2776. ~B43_NPHY_TXPCTL_INIT_PIDXI1,
  2777. 0x64);
  2778. }
  2779. if (dev->phy.rev >= 3) {
  2780. if (nphy->tx_pwr_idx[0] != 128 &&
  2781. nphy->tx_pwr_idx[1] != 128) {
  2782. /* Recover TX pwr ctl state */
  2783. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2784. ~B43_NPHY_TXPCTL_CMD_INIT,
  2785. nphy->tx_pwr_idx[0]);
  2786. if (dev->phy.rev > 1)
  2787. b43_phy_maskset(dev,
  2788. B43_NPHY_TXPCTL_INIT,
  2789. ~0xff, nphy->tx_pwr_idx[1]);
  2790. }
  2791. }
  2792. if (dev->phy.rev >= 3) {
  2793. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
  2794. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
  2795. } else {
  2796. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
  2797. }
  2798. if (dev->phy.rev == 2)
  2799. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
  2800. else if (dev->phy.rev < 2)
  2801. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
  2802. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  2803. b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
  2804. if (b43_nphy_ipa(dev)) {
  2805. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
  2806. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
  2807. }
  2808. }
  2809. if (nphy->hang_avoid)
  2810. b43_nphy_stay_in_carrier_search(dev, 0);
  2811. }
  2812. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
  2813. static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
  2814. {
  2815. struct b43_phy_n *nphy = dev->phy.n;
  2816. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2817. u8 txpi[2], bbmult, i;
  2818. u16 tmp, radio_gain, dac_gain;
  2819. u16 freq = dev->phy.channel_freq;
  2820. u32 txgain;
  2821. /* u32 gaintbl; rev3+ */
  2822. if (nphy->hang_avoid)
  2823. b43_nphy_stay_in_carrier_search(dev, 1);
  2824. if (dev->phy.rev >= 7) {
  2825. txpi[0] = txpi[1] = 30;
  2826. } else if (dev->phy.rev >= 3) {
  2827. txpi[0] = 40;
  2828. txpi[1] = 40;
  2829. } else if (sprom->revision < 4) {
  2830. txpi[0] = 72;
  2831. txpi[1] = 72;
  2832. } else {
  2833. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2834. txpi[0] = sprom->txpid2g[0];
  2835. txpi[1] = sprom->txpid2g[1];
  2836. } else if (freq >= 4900 && freq < 5100) {
  2837. txpi[0] = sprom->txpid5gl[0];
  2838. txpi[1] = sprom->txpid5gl[1];
  2839. } else if (freq >= 5100 && freq < 5500) {
  2840. txpi[0] = sprom->txpid5g[0];
  2841. txpi[1] = sprom->txpid5g[1];
  2842. } else if (freq >= 5500) {
  2843. txpi[0] = sprom->txpid5gh[0];
  2844. txpi[1] = sprom->txpid5gh[1];
  2845. } else {
  2846. txpi[0] = 91;
  2847. txpi[1] = 91;
  2848. }
  2849. }
  2850. if (dev->phy.rev < 7 &&
  2851. (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
  2852. txpi[0] = txpi[1] = 91;
  2853. /*
  2854. for (i = 0; i < 2; i++) {
  2855. nphy->txpwrindex[i].index_internal = txpi[i];
  2856. nphy->txpwrindex[i].index_internal_save = txpi[i];
  2857. }
  2858. */
  2859. for (i = 0; i < 2; i++) {
  2860. txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);
  2861. if (dev->phy.rev >= 3)
  2862. radio_gain = (txgain >> 16) & 0x1FFFF;
  2863. else
  2864. radio_gain = (txgain >> 16) & 0x1FFF;
  2865. if (dev->phy.rev >= 7)
  2866. dac_gain = (txgain >> 8) & 0x7;
  2867. else
  2868. dac_gain = (txgain >> 8) & 0x3F;
  2869. bbmult = txgain & 0xFF;
  2870. if (dev->phy.rev >= 3) {
  2871. if (i == 0)
  2872. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  2873. else
  2874. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  2875. } else {
  2876. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  2877. }
  2878. if (i == 0)
  2879. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
  2880. else
  2881. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
  2882. b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
  2883. tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
  2884. if (i == 0)
  2885. tmp = (tmp & 0x00FF) | (bbmult << 8);
  2886. else
  2887. tmp = (tmp & 0xFF00) | bbmult;
  2888. b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
  2889. if (b43_nphy_ipa(dev)) {
  2890. u32 tmp32;
  2891. u16 reg = (i == 0) ?
  2892. B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
  2893. tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
  2894. 576 + txpi[i]));
  2895. b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
  2896. b43_phy_set(dev, reg, 0x4);
  2897. }
  2898. }
  2899. b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
  2900. if (nphy->hang_avoid)
  2901. b43_nphy_stay_in_carrier_search(dev, 0);
  2902. }
  2903. static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
  2904. {
  2905. struct b43_phy *phy = &dev->phy;
  2906. u8 core;
  2907. u16 r; /* routing */
  2908. if (phy->rev >= 7) {
  2909. for (core = 0; core < 2; core++) {
  2910. r = core ? 0x190 : 0x170;
  2911. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2912. b43_radio_write(dev, r + 0x5, 0x5);
  2913. b43_radio_write(dev, r + 0x9, 0xE);
  2914. if (phy->rev != 5)
  2915. b43_radio_write(dev, r + 0xA, 0);
  2916. if (phy->rev != 7)
  2917. b43_radio_write(dev, r + 0xB, 1);
  2918. else
  2919. b43_radio_write(dev, r + 0xB, 0x31);
  2920. } else {
  2921. b43_radio_write(dev, r + 0x5, 0x9);
  2922. b43_radio_write(dev, r + 0x9, 0xC);
  2923. b43_radio_write(dev, r + 0xB, 0x0);
  2924. if (phy->rev != 5)
  2925. b43_radio_write(dev, r + 0xA, 1);
  2926. else
  2927. b43_radio_write(dev, r + 0xA, 0x31);
  2928. }
  2929. b43_radio_write(dev, r + 0x6, 0);
  2930. b43_radio_write(dev, r + 0x7, 0);
  2931. b43_radio_write(dev, r + 0x8, 3);
  2932. b43_radio_write(dev, r + 0xC, 0);
  2933. }
  2934. } else {
  2935. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2936. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
  2937. else
  2938. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
  2939. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
  2940. b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
  2941. for (core = 0; core < 2; core++) {
  2942. r = core ? B2056_TX1 : B2056_TX0;
  2943. b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
  2944. b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
  2945. b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
  2946. b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
  2947. b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
  2948. b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
  2949. b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
  2950. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2951. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2952. 0x5);
  2953. if (phy->rev != 5)
  2954. b43_radio_write(dev, r | B2056_TX_TSSIA,
  2955. 0x00);
  2956. if (phy->rev >= 5)
  2957. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2958. 0x31);
  2959. else
  2960. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2961. 0x11);
  2962. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2963. 0xE);
  2964. } else {
  2965. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2966. 0x9);
  2967. b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
  2968. b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
  2969. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2970. 0xC);
  2971. }
  2972. }
  2973. }
  2974. }
  2975. /*
  2976. * Stop radio and transmit known signal. Then check received signal strength to
  2977. * get TSSI (Transmit Signal Strength Indicator).
  2978. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
  2979. */
  2980. static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
  2981. {
  2982. struct b43_phy *phy = &dev->phy;
  2983. struct b43_phy_n *nphy = dev->phy.n;
  2984. u32 tmp;
  2985. s32 rssi[4] = { };
  2986. /* TODO: check if we can transmit */
  2987. if (b43_nphy_ipa(dev))
  2988. b43_nphy_ipa_internal_tssi_setup(dev);
  2989. if (phy->rev >= 7)
  2990. b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, false, 0);
  2991. else if (phy->rev >= 3)
  2992. b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, false);
  2993. b43_nphy_stop_playback(dev);
  2994. b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
  2995. udelay(20);
  2996. tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1);
  2997. b43_nphy_stop_playback(dev);
  2998. b43_nphy_rssi_select(dev, 0, N_RSSI_W1);
  2999. if (phy->rev >= 7)
  3000. b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, true, 0);
  3001. else if (phy->rev >= 3)
  3002. b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, true);
  3003. if (phy->rev >= 3) {
  3004. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
  3005. nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
  3006. } else {
  3007. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
  3008. nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
  3009. }
  3010. nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
  3011. nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
  3012. }
  3013. /* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
  3014. static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
  3015. {
  3016. struct b43_phy_n *nphy = dev->phy.n;
  3017. u8 idx, delta;
  3018. u8 i, stf_mode;
  3019. /* Array adj_pwr_tbl corresponds to the hardware table. It consists of
  3020. * 21 groups, each containing 4 entries.
  3021. *
  3022. * First group has entries for CCK modulation.
  3023. * The rest of groups has 1 entry per modulation (SISO, CDD, STBC, SDM).
  3024. *
  3025. * Group 0 is for CCK
  3026. * Groups 1..4 use BPSK (group per coding rate)
  3027. * Groups 5..8 use QPSK (group per coding rate)
  3028. * Groups 9..12 use 16-QAM (group per coding rate)
  3029. * Groups 13..16 use 64-QAM (group per coding rate)
  3030. * Groups 17..20 are unknown
  3031. */
  3032. for (i = 0; i < 4; i++)
  3033. nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];
  3034. for (stf_mode = 0; stf_mode < 4; stf_mode++) {
  3035. delta = 0;
  3036. switch (stf_mode) {
  3037. case 0:
  3038. if (dev->phy.is_40mhz && dev->phy.rev >= 5) {
  3039. idx = 68;
  3040. } else {
  3041. delta = 1;
  3042. idx = dev->phy.is_40mhz ? 52 : 4;
  3043. }
  3044. break;
  3045. case 1:
  3046. idx = dev->phy.is_40mhz ? 76 : 28;
  3047. break;
  3048. case 2:
  3049. idx = dev->phy.is_40mhz ? 84 : 36;
  3050. break;
  3051. case 3:
  3052. idx = dev->phy.is_40mhz ? 92 : 44;
  3053. break;
  3054. }
  3055. for (i = 0; i < 20; i++) {
  3056. nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
  3057. nphy->tx_power_offset[idx];
  3058. if (i == 0)
  3059. idx += delta;
  3060. if (i == 14)
  3061. idx += 1 - delta;
  3062. if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
  3063. i == 13)
  3064. idx += 1;
  3065. }
  3066. }
  3067. }
  3068. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
  3069. static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
  3070. {
  3071. struct b43_phy_n *nphy = dev->phy.n;
  3072. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  3073. s16 a1[2], b0[2], b1[2];
  3074. u8 idle[2];
  3075. s8 target[2];
  3076. s32 num, den, pwr;
  3077. u32 regval[64];
  3078. u16 freq = dev->phy.channel_freq;
  3079. u16 tmp;
  3080. u16 r; /* routing */
  3081. u8 i, c;
  3082. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  3083. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  3084. b43_read32(dev, B43_MMIO_MACCTL);
  3085. udelay(1);
  3086. }
  3087. if (nphy->hang_avoid)
  3088. b43_nphy_stay_in_carrier_search(dev, true);
  3089. b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
  3090. if (dev->phy.rev >= 3)
  3091. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
  3092. ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
  3093. else
  3094. b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
  3095. B43_NPHY_TXPCTL_CMD_PCTLEN);
  3096. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  3097. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  3098. if (sprom->revision < 4) {
  3099. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
  3100. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
  3101. target[0] = target[1] = 52;
  3102. a1[0] = a1[1] = -424;
  3103. b0[0] = b0[1] = 5612;
  3104. b1[0] = b1[1] = -1393;
  3105. } else {
  3106. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3107. for (c = 0; c < 2; c++) {
  3108. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
  3109. target[c] = sprom->core_pwr_info[c].maxpwr_2g;
  3110. a1[c] = sprom->core_pwr_info[c].pa_2g[0];
  3111. b0[c] = sprom->core_pwr_info[c].pa_2g[1];
  3112. b1[c] = sprom->core_pwr_info[c].pa_2g[2];
  3113. }
  3114. } else if (freq >= 4900 && freq < 5100) {
  3115. for (c = 0; c < 2; c++) {
  3116. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  3117. target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
  3118. a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
  3119. b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
  3120. b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
  3121. }
  3122. } else if (freq >= 5100 && freq < 5500) {
  3123. for (c = 0; c < 2; c++) {
  3124. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  3125. target[c] = sprom->core_pwr_info[c].maxpwr_5g;
  3126. a1[c] = sprom->core_pwr_info[c].pa_5g[0];
  3127. b0[c] = sprom->core_pwr_info[c].pa_5g[1];
  3128. b1[c] = sprom->core_pwr_info[c].pa_5g[2];
  3129. }
  3130. } else if (freq >= 5500) {
  3131. for (c = 0; c < 2; c++) {
  3132. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  3133. target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
  3134. a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
  3135. b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
  3136. b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
  3137. }
  3138. } else {
  3139. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
  3140. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
  3141. target[0] = target[1] = 52;
  3142. a1[0] = a1[1] = -424;
  3143. b0[0] = b0[1] = 5612;
  3144. b1[0] = b1[1] = -1393;
  3145. }
  3146. }
  3147. /* target[0] = target[1] = nphy->tx_power_max; */
  3148. if (dev->phy.rev >= 3) {
  3149. if (sprom->fem.ghz2.tssipos)
  3150. b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
  3151. if (dev->phy.rev >= 7) {
  3152. for (c = 0; c < 2; c++) {
  3153. r = c ? 0x190 : 0x170;
  3154. if (b43_nphy_ipa(dev))
  3155. b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC);
  3156. }
  3157. } else {
  3158. if (b43_nphy_ipa(dev)) {
  3159. tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  3160. b43_radio_write(dev,
  3161. B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
  3162. b43_radio_write(dev,
  3163. B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
  3164. } else {
  3165. b43_radio_write(dev,
  3166. B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
  3167. b43_radio_write(dev,
  3168. B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
  3169. }
  3170. }
  3171. }
  3172. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  3173. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  3174. b43_read32(dev, B43_MMIO_MACCTL);
  3175. udelay(1);
  3176. }
  3177. if (dev->phy.rev >= 7) {
  3178. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  3179. ~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
  3180. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  3181. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
  3182. } else {
  3183. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  3184. ~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
  3185. if (dev->phy.rev > 1)
  3186. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  3187. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
  3188. }
  3189. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  3190. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  3191. b43_phy_write(dev, B43_NPHY_TXPCTL_N,
  3192. 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
  3193. 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
  3194. b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
  3195. idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
  3196. idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
  3197. B43_NPHY_TXPCTL_ITSSI_BINF);
  3198. b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
  3199. target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
  3200. target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);
  3201. for (c = 0; c < 2; c++) {
  3202. for (i = 0; i < 64; i++) {
  3203. num = 8 * (16 * b0[c] + b1[c] * i);
  3204. den = 32768 + a1[c] * i;
  3205. pwr = max((4 * num + den / 2) / den, -8);
  3206. if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
  3207. pwr = max(pwr, target[c] + 1);
  3208. regval[i] = pwr;
  3209. }
  3210. b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
  3211. }
  3212. b43_nphy_tx_prepare_adjusted_power_table(dev);
  3213. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
  3214. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
  3215. if (nphy->hang_avoid)
  3216. b43_nphy_stay_in_carrier_search(dev, false);
  3217. }
  3218. static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
  3219. {
  3220. struct b43_phy *phy = &dev->phy;
  3221. const u32 *table = NULL;
  3222. u32 rfpwr_offset;
  3223. u8 pga_gain;
  3224. int i;
  3225. table = b43_nphy_get_tx_gain_table(dev);
  3226. b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
  3227. b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
  3228. if (phy->rev >= 3) {
  3229. #if 0
  3230. nphy->gmval = (table[0] >> 16) & 0x7000;
  3231. #endif
  3232. for (i = 0; i < 128; i++) {
  3233. pga_gain = (table[i] >> 24) & 0xF;
  3234. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3235. rfpwr_offset =
  3236. b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
  3237. else
  3238. rfpwr_offset =
  3239. 0; /* FIXME */
  3240. b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
  3241. rfpwr_offset);
  3242. b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
  3243. rfpwr_offset);
  3244. }
  3245. }
  3246. }
  3247. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
  3248. static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
  3249. {
  3250. struct b43_phy_n *nphy = dev->phy.n;
  3251. enum ieee80211_band band;
  3252. u16 tmp;
  3253. if (!enable) {
  3254. nphy->rfctrl_intc1_save = b43_phy_read(dev,
  3255. B43_NPHY_RFCTL_INTC1);
  3256. nphy->rfctrl_intc2_save = b43_phy_read(dev,
  3257. B43_NPHY_RFCTL_INTC2);
  3258. band = b43_current_band(dev->wl);
  3259. if (dev->phy.rev >= 3) {
  3260. if (band == IEEE80211_BAND_5GHZ)
  3261. tmp = 0x600;
  3262. else
  3263. tmp = 0x480;
  3264. } else {
  3265. if (band == IEEE80211_BAND_5GHZ)
  3266. tmp = 0x180;
  3267. else
  3268. tmp = 0x120;
  3269. }
  3270. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  3271. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  3272. } else {
  3273. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
  3274. nphy->rfctrl_intc1_save);
  3275. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
  3276. nphy->rfctrl_intc2_save);
  3277. }
  3278. }
  3279. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
  3280. static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
  3281. {
  3282. u16 tmp;
  3283. if (dev->phy.rev >= 3) {
  3284. if (b43_nphy_ipa(dev)) {
  3285. tmp = 4;
  3286. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
  3287. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  3288. }
  3289. tmp = 1;
  3290. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
  3291. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  3292. }
  3293. }
  3294. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
  3295. static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
  3296. u16 samps, u8 time, bool wait)
  3297. {
  3298. int i;
  3299. u16 tmp;
  3300. b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
  3301. b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
  3302. if (wait)
  3303. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
  3304. else
  3305. b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
  3306. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
  3307. for (i = 1000; i; i--) {
  3308. tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
  3309. if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
  3310. est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
  3311. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
  3312. est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
  3313. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
  3314. est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
  3315. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
  3316. est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
  3317. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
  3318. est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
  3319. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
  3320. est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
  3321. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
  3322. return;
  3323. }
  3324. udelay(10);
  3325. }
  3326. memset(est, 0, sizeof(*est));
  3327. }
  3328. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
  3329. static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
  3330. struct b43_phy_n_iq_comp *pcomp)
  3331. {
  3332. if (write) {
  3333. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
  3334. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
  3335. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
  3336. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
  3337. } else {
  3338. pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
  3339. pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
  3340. pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
  3341. pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
  3342. }
  3343. }
  3344. #if 0
  3345. /* Ready but not used anywhere */
  3346. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
  3347. static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
  3348. {
  3349. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3350. b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
  3351. if (core == 0) {
  3352. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
  3353. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  3354. } else {
  3355. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  3356. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  3357. }
  3358. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
  3359. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
  3360. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
  3361. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
  3362. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
  3363. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
  3364. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  3365. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  3366. }
  3367. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
  3368. static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
  3369. {
  3370. u8 rxval, txval;
  3371. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3372. regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  3373. if (core == 0) {
  3374. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  3375. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  3376. } else {
  3377. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  3378. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3379. }
  3380. regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3381. regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3382. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  3383. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  3384. regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
  3385. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  3386. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  3387. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  3388. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  3389. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  3390. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  3391. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  3392. ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  3393. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  3394. ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
  3395. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  3396. (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
  3397. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
  3398. (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
  3399. if (core == 0) {
  3400. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
  3401. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
  3402. } else {
  3403. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
  3404. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
  3405. }
  3406. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 0, 3);
  3407. b43_nphy_rf_ctl_override(dev, 8, 0, 3, false);
  3408. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  3409. if (core == 0) {
  3410. rxval = 1;
  3411. txval = 8;
  3412. } else {
  3413. rxval = 4;
  3414. txval = 2;
  3415. }
  3416. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, rxval,
  3417. core + 1);
  3418. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, txval,
  3419. 2 - core);
  3420. }
  3421. #endif
  3422. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
  3423. static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
  3424. {
  3425. int i;
  3426. s32 iq;
  3427. u32 ii;
  3428. u32 qq;
  3429. int iq_nbits, qq_nbits;
  3430. int arsh, brsh;
  3431. u16 tmp, a, b;
  3432. struct nphy_iq_est est;
  3433. struct b43_phy_n_iq_comp old;
  3434. struct b43_phy_n_iq_comp new = { };
  3435. bool error = false;
  3436. if (mask == 0)
  3437. return;
  3438. b43_nphy_rx_iq_coeffs(dev, false, &old);
  3439. b43_nphy_rx_iq_coeffs(dev, true, &new);
  3440. b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
  3441. new = old;
  3442. for (i = 0; i < 2; i++) {
  3443. if (i == 0 && (mask & 1)) {
  3444. iq = est.iq0_prod;
  3445. ii = est.i0_pwr;
  3446. qq = est.q0_pwr;
  3447. } else if (i == 1 && (mask & 2)) {
  3448. iq = est.iq1_prod;
  3449. ii = est.i1_pwr;
  3450. qq = est.q1_pwr;
  3451. } else {
  3452. continue;
  3453. }
  3454. if (ii + qq < 2) {
  3455. error = true;
  3456. break;
  3457. }
  3458. iq_nbits = fls(abs(iq));
  3459. qq_nbits = fls(qq);
  3460. arsh = iq_nbits - 20;
  3461. if (arsh >= 0) {
  3462. a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
  3463. tmp = ii >> arsh;
  3464. } else {
  3465. a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
  3466. tmp = ii << -arsh;
  3467. }
  3468. if (tmp == 0) {
  3469. error = true;
  3470. break;
  3471. }
  3472. a /= tmp;
  3473. brsh = qq_nbits - 11;
  3474. if (brsh >= 0) {
  3475. b = (qq << (31 - qq_nbits));
  3476. tmp = ii >> brsh;
  3477. } else {
  3478. b = (qq << (31 - qq_nbits));
  3479. tmp = ii << -brsh;
  3480. }
  3481. if (tmp == 0) {
  3482. error = true;
  3483. break;
  3484. }
  3485. b = int_sqrt(b / tmp - a * a) - (1 << 10);
  3486. if (i == 0 && (mask & 0x1)) {
  3487. if (dev->phy.rev >= 3) {
  3488. new.a0 = a & 0x3FF;
  3489. new.b0 = b & 0x3FF;
  3490. } else {
  3491. new.a0 = b & 0x3FF;
  3492. new.b0 = a & 0x3FF;
  3493. }
  3494. } else if (i == 1 && (mask & 0x2)) {
  3495. if (dev->phy.rev >= 3) {
  3496. new.a1 = a & 0x3FF;
  3497. new.b1 = b & 0x3FF;
  3498. } else {
  3499. new.a1 = b & 0x3FF;
  3500. new.b1 = a & 0x3FF;
  3501. }
  3502. }
  3503. }
  3504. if (error)
  3505. new = old;
  3506. b43_nphy_rx_iq_coeffs(dev, true, &new);
  3507. }
  3508. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
  3509. static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
  3510. {
  3511. u16 array[4];
  3512. b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
  3513. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
  3514. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
  3515. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
  3516. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
  3517. }
  3518. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
  3519. static void b43_nphy_spur_workaround(struct b43_wldev *dev)
  3520. {
  3521. struct b43_phy_n *nphy = dev->phy.n;
  3522. u8 channel = dev->phy.channel;
  3523. int tone[2] = { 57, 58 };
  3524. u32 noise[2] = { 0x3FF, 0x3FF };
  3525. B43_WARN_ON(dev->phy.rev < 3);
  3526. if (nphy->hang_avoid)
  3527. b43_nphy_stay_in_carrier_search(dev, 1);
  3528. if (nphy->gband_spurwar_en) {
  3529. /* TODO: N PHY Adjust Analog Pfbw (7) */
  3530. if (channel == 11 && dev->phy.is_40mhz)
  3531. ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
  3532. else
  3533. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  3534. /* TODO: N PHY Adjust CRS Min Power (0x1E) */
  3535. }
  3536. if (nphy->aband_spurwar_en) {
  3537. if (channel == 54) {
  3538. tone[0] = 0x20;
  3539. noise[0] = 0x25F;
  3540. } else if (channel == 38 || channel == 102 || channel == 118) {
  3541. if (0 /* FIXME */) {
  3542. tone[0] = 0x20;
  3543. noise[0] = 0x21F;
  3544. } else {
  3545. tone[0] = 0;
  3546. noise[0] = 0;
  3547. }
  3548. } else if (channel == 134) {
  3549. tone[0] = 0x20;
  3550. noise[0] = 0x21F;
  3551. } else if (channel == 151) {
  3552. tone[0] = 0x10;
  3553. noise[0] = 0x23F;
  3554. } else if (channel == 153 || channel == 161) {
  3555. tone[0] = 0x30;
  3556. noise[0] = 0x23F;
  3557. } else {
  3558. tone[0] = 0;
  3559. noise[0] = 0;
  3560. }
  3561. if (!tone[0] && !noise[0])
  3562. ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
  3563. else
  3564. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  3565. }
  3566. if (nphy->hang_avoid)
  3567. b43_nphy_stay_in_carrier_search(dev, 0);
  3568. }
  3569. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
  3570. static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
  3571. {
  3572. struct b43_phy_n *nphy = dev->phy.n;
  3573. int i, j;
  3574. u32 tmp;
  3575. u32 cur_real, cur_imag, real_part, imag_part;
  3576. u16 buffer[7];
  3577. if (nphy->hang_avoid)
  3578. b43_nphy_stay_in_carrier_search(dev, true);
  3579. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  3580. for (i = 0; i < 2; i++) {
  3581. tmp = ((buffer[i * 2] & 0x3FF) << 10) |
  3582. (buffer[i * 2 + 1] & 0x3FF);
  3583. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  3584. (((i + 26) << 10) | 320));
  3585. for (j = 0; j < 128; j++) {
  3586. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  3587. ((tmp >> 16) & 0xFFFF));
  3588. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  3589. (tmp & 0xFFFF));
  3590. }
  3591. }
  3592. for (i = 0; i < 2; i++) {
  3593. tmp = buffer[5 + i];
  3594. real_part = (tmp >> 8) & 0xFF;
  3595. imag_part = (tmp & 0xFF);
  3596. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  3597. (((i + 26) << 10) | 448));
  3598. if (dev->phy.rev >= 3) {
  3599. cur_real = real_part;
  3600. cur_imag = imag_part;
  3601. tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
  3602. }
  3603. for (j = 0; j < 128; j++) {
  3604. if (dev->phy.rev < 3) {
  3605. cur_real = (real_part * loscale[j] + 128) >> 8;
  3606. cur_imag = (imag_part * loscale[j] + 128) >> 8;
  3607. tmp = ((cur_real & 0xFF) << 8) |
  3608. (cur_imag & 0xFF);
  3609. }
  3610. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  3611. ((tmp >> 16) & 0xFFFF));
  3612. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  3613. (tmp & 0xFFFF));
  3614. }
  3615. }
  3616. if (dev->phy.rev >= 3) {
  3617. b43_shm_write16(dev, B43_SHM_SHARED,
  3618. B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
  3619. b43_shm_write16(dev, B43_SHM_SHARED,
  3620. B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
  3621. }
  3622. if (nphy->hang_avoid)
  3623. b43_nphy_stay_in_carrier_search(dev, false);
  3624. }
  3625. /*
  3626. * Restore RSSI Calibration
  3627. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
  3628. */
  3629. static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
  3630. {
  3631. struct b43_phy_n *nphy = dev->phy.n;
  3632. u16 *rssical_radio_regs = NULL;
  3633. u16 *rssical_phy_regs = NULL;
  3634. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3635. if (!nphy->rssical_chanspec_2G.center_freq)
  3636. return;
  3637. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  3638. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  3639. } else {
  3640. if (!nphy->rssical_chanspec_5G.center_freq)
  3641. return;
  3642. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  3643. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  3644. }
  3645. if (dev->phy.rev >= 7) {
  3646. } else {
  3647. b43_radio_maskset(dev, B2056_RX0 | B2056_RX_RSSI_MISC, 0xE3,
  3648. rssical_radio_regs[0]);
  3649. b43_radio_maskset(dev, B2056_RX1 | B2056_RX_RSSI_MISC, 0xE3,
  3650. rssical_radio_regs[1]);
  3651. }
  3652. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
  3653. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
  3654. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
  3655. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
  3656. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
  3657. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
  3658. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
  3659. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
  3660. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
  3661. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
  3662. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
  3663. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
  3664. }
  3665. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
  3666. static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
  3667. {
  3668. struct b43_phy_n *nphy = dev->phy.n;
  3669. u16 *save = nphy->tx_rx_cal_radio_saveregs;
  3670. u16 tmp;
  3671. u8 offset, i;
  3672. if (dev->phy.rev >= 3) {
  3673. for (i = 0; i < 2; i++) {
  3674. tmp = (i == 0) ? 0x2000 : 0x3000;
  3675. offset = i * 11;
  3676. save[offset + 0] = b43_radio_read(dev, B2055_CAL_RVARCTL);
  3677. save[offset + 1] = b43_radio_read(dev, B2055_CAL_LPOCTL);
  3678. save[offset + 2] = b43_radio_read(dev, B2055_CAL_TS);
  3679. save[offset + 3] = b43_radio_read(dev, B2055_CAL_RCCALRTS);
  3680. save[offset + 4] = b43_radio_read(dev, B2055_CAL_RCALRTS);
  3681. save[offset + 5] = b43_radio_read(dev, B2055_PADDRV);
  3682. save[offset + 6] = b43_radio_read(dev, B2055_XOCTL1);
  3683. save[offset + 7] = b43_radio_read(dev, B2055_XOCTL2);
  3684. save[offset + 8] = b43_radio_read(dev, B2055_XOREGUL);
  3685. save[offset + 9] = b43_radio_read(dev, B2055_XOMISC);
  3686. save[offset + 10] = b43_radio_read(dev, B2055_PLL_LFC1);
  3687. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  3688. b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
  3689. b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  3690. b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
  3691. b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
  3692. b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
  3693. if (nphy->ipa5g_on) {
  3694. b43_radio_write(dev, tmp | B2055_PADDRV, 4);
  3695. b43_radio_write(dev, tmp | B2055_XOCTL1, 1);
  3696. } else {
  3697. b43_radio_write(dev, tmp | B2055_PADDRV, 0);
  3698. b43_radio_write(dev, tmp | B2055_XOCTL1, 0x2F);
  3699. }
  3700. b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
  3701. } else {
  3702. b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x06);
  3703. b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  3704. b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
  3705. b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
  3706. b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
  3707. b43_radio_write(dev, tmp | B2055_XOCTL1, 0);
  3708. if (nphy->ipa2g_on) {
  3709. b43_radio_write(dev, tmp | B2055_PADDRV, 6);
  3710. b43_radio_write(dev, tmp | B2055_XOCTL2,
  3711. (dev->phy.rev < 5) ? 0x11 : 0x01);
  3712. } else {
  3713. b43_radio_write(dev, tmp | B2055_PADDRV, 0);
  3714. b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
  3715. }
  3716. }
  3717. b43_radio_write(dev, tmp | B2055_XOREGUL, 0);
  3718. b43_radio_write(dev, tmp | B2055_XOMISC, 0);
  3719. b43_radio_write(dev, tmp | B2055_PLL_LFC1, 0);
  3720. }
  3721. } else {
  3722. save[0] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL1);
  3723. b43_radio_write(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
  3724. save[1] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL2);
  3725. b43_radio_write(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
  3726. save[2] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL1);
  3727. b43_radio_write(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
  3728. save[3] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL2);
  3729. b43_radio_write(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
  3730. save[3] = b43_radio_read(dev, B2055_C1_PWRDET_RXTX);
  3731. save[4] = b43_radio_read(dev, B2055_C2_PWRDET_RXTX);
  3732. if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
  3733. B43_NPHY_BANDCTL_5GHZ)) {
  3734. b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x04);
  3735. b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x04);
  3736. } else {
  3737. b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x20);
  3738. b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x20);
  3739. }
  3740. if (dev->phy.rev < 2) {
  3741. b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
  3742. b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
  3743. } else {
  3744. b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
  3745. b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
  3746. }
  3747. }
  3748. }
  3749. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
  3750. static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
  3751. {
  3752. struct b43_phy_n *nphy = dev->phy.n;
  3753. int i;
  3754. u16 scale, entry;
  3755. u16 tmp = nphy->txcal_bbmult;
  3756. if (core == 0)
  3757. tmp >>= 8;
  3758. tmp &= 0xff;
  3759. for (i = 0; i < 18; i++) {
  3760. scale = (ladder_lo[i].percent * tmp) / 100;
  3761. entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
  3762. b43_ntab_write(dev, B43_NTAB16(15, i), entry);
  3763. scale = (ladder_iq[i].percent * tmp) / 100;
  3764. entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
  3765. b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
  3766. }
  3767. }
  3768. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
  3769. static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
  3770. {
  3771. int i;
  3772. for (i = 0; i < 15; i++)
  3773. b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
  3774. tbl_tx_filter_coef_rev4[2][i]);
  3775. }
  3776. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
  3777. static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
  3778. {
  3779. int i, j;
  3780. /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
  3781. static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
  3782. for (i = 0; i < 3; i++)
  3783. for (j = 0; j < 15; j++)
  3784. b43_phy_write(dev, B43_PHY_N(offset[i] + j),
  3785. tbl_tx_filter_coef_rev4[i][j]);
  3786. if (dev->phy.is_40mhz) {
  3787. for (j = 0; j < 15; j++)
  3788. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  3789. tbl_tx_filter_coef_rev4[3][j]);
  3790. } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  3791. for (j = 0; j < 15; j++)
  3792. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  3793. tbl_tx_filter_coef_rev4[5][j]);
  3794. }
  3795. if (dev->phy.channel == 14)
  3796. for (j = 0; j < 15; j++)
  3797. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  3798. tbl_tx_filter_coef_rev4[6][j]);
  3799. }
  3800. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
  3801. static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
  3802. {
  3803. struct b43_phy_n *nphy = dev->phy.n;
  3804. u16 curr_gain[2];
  3805. struct nphy_txgains target;
  3806. const u32 *table = NULL;
  3807. if (!nphy->txpwrctrl) {
  3808. int i;
  3809. if (nphy->hang_avoid)
  3810. b43_nphy_stay_in_carrier_search(dev, true);
  3811. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
  3812. if (nphy->hang_avoid)
  3813. b43_nphy_stay_in_carrier_search(dev, false);
  3814. for (i = 0; i < 2; ++i) {
  3815. if (dev->phy.rev >= 3) {
  3816. target.ipa[i] = curr_gain[i] & 0x000F;
  3817. target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
  3818. target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
  3819. target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
  3820. } else {
  3821. target.ipa[i] = curr_gain[i] & 0x0003;
  3822. target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
  3823. target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
  3824. target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
  3825. }
  3826. }
  3827. } else {
  3828. int i;
  3829. u16 index[2];
  3830. index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
  3831. B43_NPHY_TXPCTL_STAT_BIDX) >>
  3832. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  3833. index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
  3834. B43_NPHY_TXPCTL_STAT_BIDX) >>
  3835. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  3836. for (i = 0; i < 2; ++i) {
  3837. table = b43_nphy_get_tx_gain_table(dev);
  3838. if (dev->phy.rev >= 3) {
  3839. target.ipa[i] = (table[index[i]] >> 16) & 0xF;
  3840. target.pad[i] = (table[index[i]] >> 20) & 0xF;
  3841. target.pga[i] = (table[index[i]] >> 24) & 0xF;
  3842. target.txgm[i] = (table[index[i]] >> 28) & 0xF;
  3843. } else {
  3844. target.ipa[i] = (table[index[i]] >> 16) & 0x3;
  3845. target.pad[i] = (table[index[i]] >> 18) & 0x3;
  3846. target.pga[i] = (table[index[i]] >> 20) & 0x7;
  3847. target.txgm[i] = (table[index[i]] >> 23) & 0x7;
  3848. }
  3849. }
  3850. }
  3851. return target;
  3852. }
  3853. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
  3854. static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
  3855. {
  3856. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3857. if (dev->phy.rev >= 3) {
  3858. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
  3859. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  3860. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  3861. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
  3862. b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
  3863. b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
  3864. b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
  3865. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
  3866. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
  3867. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  3868. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  3869. b43_nphy_reset_cca(dev);
  3870. } else {
  3871. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
  3872. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
  3873. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  3874. b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
  3875. b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
  3876. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
  3877. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
  3878. }
  3879. }
  3880. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
  3881. static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
  3882. {
  3883. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  3884. u16 tmp;
  3885. regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  3886. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  3887. if (dev->phy.rev >= 3) {
  3888. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
  3889. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
  3890. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  3891. regs[2] = tmp;
  3892. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
  3893. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3894. regs[3] = tmp;
  3895. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
  3896. regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
  3897. b43_phy_mask(dev, B43_NPHY_BBCFG,
  3898. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  3899. tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
  3900. regs[5] = tmp;
  3901. b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
  3902. tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
  3903. regs[6] = tmp;
  3904. b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
  3905. regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3906. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3907. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 1, 3);
  3908. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 2, 1);
  3909. b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 8, 2);
  3910. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  3911. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  3912. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  3913. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  3914. } else {
  3915. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
  3916. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
  3917. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3918. regs[2] = tmp;
  3919. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
  3920. tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
  3921. regs[3] = tmp;
  3922. tmp |= 0x2000;
  3923. b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
  3924. tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
  3925. regs[4] = tmp;
  3926. tmp |= 0x2000;
  3927. b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
  3928. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  3929. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  3930. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  3931. tmp = 0x0180;
  3932. else
  3933. tmp = 0x0120;
  3934. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  3935. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  3936. }
  3937. }
  3938. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
  3939. static void b43_nphy_save_cal(struct b43_wldev *dev)
  3940. {
  3941. struct b43_phy_n *nphy = dev->phy.n;
  3942. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  3943. u16 *txcal_radio_regs = NULL;
  3944. struct b43_chanspec *iqcal_chanspec;
  3945. u16 *table = NULL;
  3946. if (nphy->hang_avoid)
  3947. b43_nphy_stay_in_carrier_search(dev, 1);
  3948. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3949. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  3950. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  3951. iqcal_chanspec = &nphy->iqcal_chanspec_2G;
  3952. table = nphy->cal_cache.txcal_coeffs_2G;
  3953. } else {
  3954. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  3955. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  3956. iqcal_chanspec = &nphy->iqcal_chanspec_5G;
  3957. table = nphy->cal_cache.txcal_coeffs_5G;
  3958. }
  3959. b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
  3960. /* TODO use some definitions */
  3961. if (dev->phy.rev >= 3) {
  3962. txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
  3963. txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
  3964. txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
  3965. txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
  3966. txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
  3967. txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
  3968. txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
  3969. txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
  3970. } else {
  3971. txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
  3972. txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
  3973. txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
  3974. txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
  3975. }
  3976. iqcal_chanspec->center_freq = dev->phy.channel_freq;
  3977. iqcal_chanspec->channel_type = dev->phy.channel_type;
  3978. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
  3979. if (nphy->hang_avoid)
  3980. b43_nphy_stay_in_carrier_search(dev, 0);
  3981. }
  3982. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
  3983. static void b43_nphy_restore_cal(struct b43_wldev *dev)
  3984. {
  3985. struct b43_phy_n *nphy = dev->phy.n;
  3986. u16 coef[4];
  3987. u16 *loft = NULL;
  3988. u16 *table = NULL;
  3989. int i;
  3990. u16 *txcal_radio_regs = NULL;
  3991. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  3992. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3993. if (!nphy->iqcal_chanspec_2G.center_freq)
  3994. return;
  3995. table = nphy->cal_cache.txcal_coeffs_2G;
  3996. loft = &nphy->cal_cache.txcal_coeffs_2G[5];
  3997. } else {
  3998. if (!nphy->iqcal_chanspec_5G.center_freq)
  3999. return;
  4000. table = nphy->cal_cache.txcal_coeffs_5G;
  4001. loft = &nphy->cal_cache.txcal_coeffs_5G[5];
  4002. }
  4003. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
  4004. for (i = 0; i < 4; i++) {
  4005. if (dev->phy.rev >= 3)
  4006. table[i] = coef[i];
  4007. else
  4008. coef[i] = 0;
  4009. }
  4010. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
  4011. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
  4012. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
  4013. if (dev->phy.rev < 2)
  4014. b43_nphy_tx_iq_workaround(dev);
  4015. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  4016. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  4017. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  4018. } else {
  4019. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  4020. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  4021. }
  4022. /* TODO use some definitions */
  4023. if (dev->phy.rev >= 3) {
  4024. b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
  4025. b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
  4026. b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
  4027. b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
  4028. b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
  4029. b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
  4030. b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
  4031. b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
  4032. } else {
  4033. b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
  4034. b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
  4035. b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
  4036. b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
  4037. }
  4038. b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
  4039. }
  4040. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
  4041. static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
  4042. struct nphy_txgains target,
  4043. bool full, bool mphase)
  4044. {
  4045. struct b43_phy_n *nphy = dev->phy.n;
  4046. int i;
  4047. int error = 0;
  4048. int freq;
  4049. bool avoid = false;
  4050. u8 length;
  4051. u16 tmp, core, type, count, max, numb, last = 0, cmd;
  4052. const u16 *table;
  4053. bool phy6or5x;
  4054. u16 buffer[11];
  4055. u16 diq_start = 0;
  4056. u16 save[2];
  4057. u16 gain[2];
  4058. struct nphy_iqcal_params params[2];
  4059. bool updated[2] = { };
  4060. b43_nphy_stay_in_carrier_search(dev, true);
  4061. if (dev->phy.rev >= 4) {
  4062. avoid = nphy->hang_avoid;
  4063. nphy->hang_avoid = false;
  4064. }
  4065. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  4066. for (i = 0; i < 2; i++) {
  4067. b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
  4068. gain[i] = params[i].cal_gain;
  4069. }
  4070. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
  4071. b43_nphy_tx_cal_radio_setup(dev);
  4072. b43_nphy_tx_cal_phy_setup(dev);
  4073. phy6or5x = dev->phy.rev >= 6 ||
  4074. (dev->phy.rev == 5 && nphy->ipa2g_on &&
  4075. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
  4076. if (phy6or5x) {
  4077. if (dev->phy.is_40mhz) {
  4078. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  4079. tbl_tx_iqlo_cal_loft_ladder_40);
  4080. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  4081. tbl_tx_iqlo_cal_iqimb_ladder_40);
  4082. } else {
  4083. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  4084. tbl_tx_iqlo_cal_loft_ladder_20);
  4085. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  4086. tbl_tx_iqlo_cal_iqimb_ladder_20);
  4087. }
  4088. }
  4089. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
  4090. if (!dev->phy.is_40mhz)
  4091. freq = 2500;
  4092. else
  4093. freq = 5000;
  4094. if (nphy->mphase_cal_phase_id > 2)
  4095. b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
  4096. 0xFFFF, 0, true, false);
  4097. else
  4098. error = b43_nphy_tx_tone(dev, freq, 250, true, false);
  4099. if (error == 0) {
  4100. if (nphy->mphase_cal_phase_id > 2) {
  4101. table = nphy->mphase_txcal_bestcoeffs;
  4102. length = 11;
  4103. if (dev->phy.rev < 3)
  4104. length -= 2;
  4105. } else {
  4106. if (!full && nphy->txiqlocal_coeffsvalid) {
  4107. table = nphy->txiqlocal_bestc;
  4108. length = 11;
  4109. if (dev->phy.rev < 3)
  4110. length -= 2;
  4111. } else {
  4112. full = true;
  4113. if (dev->phy.rev >= 3) {
  4114. table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
  4115. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
  4116. } else {
  4117. table = tbl_tx_iqlo_cal_startcoefs;
  4118. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
  4119. }
  4120. }
  4121. }
  4122. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
  4123. if (full) {
  4124. if (dev->phy.rev >= 3)
  4125. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
  4126. else
  4127. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
  4128. } else {
  4129. if (dev->phy.rev >= 3)
  4130. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
  4131. else
  4132. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
  4133. }
  4134. if (mphase) {
  4135. count = nphy->mphase_txcal_cmdidx;
  4136. numb = min(max,
  4137. (u16)(count + nphy->mphase_txcal_numcmds));
  4138. } else {
  4139. count = 0;
  4140. numb = max;
  4141. }
  4142. for (; count < numb; count++) {
  4143. if (full) {
  4144. if (dev->phy.rev >= 3)
  4145. cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
  4146. else
  4147. cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
  4148. } else {
  4149. if (dev->phy.rev >= 3)
  4150. cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
  4151. else
  4152. cmd = tbl_tx_iqlo_cal_cmds_recal[count];
  4153. }
  4154. core = (cmd & 0x3000) >> 12;
  4155. type = (cmd & 0x0F00) >> 8;
  4156. if (phy6or5x && updated[core] == 0) {
  4157. b43_nphy_update_tx_cal_ladder(dev, core);
  4158. updated[core] = true;
  4159. }
  4160. tmp = (params[core].ncorr[type] << 8) | 0x66;
  4161. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
  4162. if (type == 1 || type == 3 || type == 4) {
  4163. buffer[0] = b43_ntab_read(dev,
  4164. B43_NTAB16(15, 69 + core));
  4165. diq_start = buffer[0];
  4166. buffer[0] = 0;
  4167. b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
  4168. 0);
  4169. }
  4170. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
  4171. for (i = 0; i < 2000; i++) {
  4172. tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
  4173. if (tmp & 0xC000)
  4174. break;
  4175. udelay(10);
  4176. }
  4177. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  4178. buffer);
  4179. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
  4180. buffer);
  4181. if (type == 1 || type == 3 || type == 4)
  4182. buffer[0] = diq_start;
  4183. }
  4184. if (mphase)
  4185. nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
  4186. last = (dev->phy.rev < 3) ? 6 : 7;
  4187. if (!mphase || nphy->mphase_cal_phase_id == last) {
  4188. b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
  4189. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
  4190. if (dev->phy.rev < 3) {
  4191. buffer[0] = 0;
  4192. buffer[1] = 0;
  4193. buffer[2] = 0;
  4194. buffer[3] = 0;
  4195. }
  4196. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  4197. buffer);
  4198. b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
  4199. buffer);
  4200. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  4201. buffer);
  4202. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  4203. buffer);
  4204. length = 11;
  4205. if (dev->phy.rev < 3)
  4206. length -= 2;
  4207. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  4208. nphy->txiqlocal_bestc);
  4209. nphy->txiqlocal_coeffsvalid = true;
  4210. nphy->txiqlocal_chanspec.center_freq =
  4211. dev->phy.channel_freq;
  4212. nphy->txiqlocal_chanspec.channel_type =
  4213. dev->phy.channel_type;
  4214. } else {
  4215. length = 11;
  4216. if (dev->phy.rev < 3)
  4217. length -= 2;
  4218. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  4219. nphy->mphase_txcal_bestcoeffs);
  4220. }
  4221. b43_nphy_stop_playback(dev);
  4222. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
  4223. }
  4224. b43_nphy_tx_cal_phy_cleanup(dev);
  4225. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  4226. if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
  4227. b43_nphy_tx_iq_workaround(dev);
  4228. if (dev->phy.rev >= 4)
  4229. nphy->hang_avoid = avoid;
  4230. b43_nphy_stay_in_carrier_search(dev, false);
  4231. return error;
  4232. }
  4233. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
  4234. static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
  4235. {
  4236. struct b43_phy_n *nphy = dev->phy.n;
  4237. u8 i;
  4238. u16 buffer[7];
  4239. bool equal = true;
  4240. if (!nphy->txiqlocal_coeffsvalid ||
  4241. nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
  4242. nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
  4243. return;
  4244. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  4245. for (i = 0; i < 4; i++) {
  4246. if (buffer[i] != nphy->txiqlocal_bestc[i]) {
  4247. equal = false;
  4248. break;
  4249. }
  4250. }
  4251. if (!equal) {
  4252. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
  4253. nphy->txiqlocal_bestc);
  4254. for (i = 0; i < 4; i++)
  4255. buffer[i] = 0;
  4256. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  4257. buffer);
  4258. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  4259. &nphy->txiqlocal_bestc[5]);
  4260. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  4261. &nphy->txiqlocal_bestc[5]);
  4262. }
  4263. }
  4264. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
  4265. static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
  4266. struct nphy_txgains target, u8 type, bool debug)
  4267. {
  4268. struct b43_phy_n *nphy = dev->phy.n;
  4269. int i, j, index;
  4270. u8 rfctl[2];
  4271. u8 afectl_core;
  4272. u16 tmp[6];
  4273. u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
  4274. u32 real, imag;
  4275. enum ieee80211_band band;
  4276. u8 use;
  4277. u16 cur_hpf;
  4278. u16 lna[3] = { 3, 3, 1 };
  4279. u16 hpf1[3] = { 7, 2, 0 };
  4280. u16 hpf2[3] = { 2, 0, 0 };
  4281. u32 power[3] = { };
  4282. u16 gain_save[2];
  4283. u16 cal_gain[2];
  4284. struct nphy_iqcal_params cal_params[2];
  4285. struct nphy_iq_est est;
  4286. int ret = 0;
  4287. bool playtone = true;
  4288. int desired = 13;
  4289. b43_nphy_stay_in_carrier_search(dev, 1);
  4290. if (dev->phy.rev < 2)
  4291. b43_nphy_reapply_tx_cal_coeffs(dev);
  4292. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  4293. for (i = 0; i < 2; i++) {
  4294. b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
  4295. cal_gain[i] = cal_params[i].cal_gain;
  4296. }
  4297. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
  4298. for (i = 0; i < 2; i++) {
  4299. if (i == 0) {
  4300. rfctl[0] = B43_NPHY_RFCTL_INTC1;
  4301. rfctl[1] = B43_NPHY_RFCTL_INTC2;
  4302. afectl_core = B43_NPHY_AFECTL_C1;
  4303. } else {
  4304. rfctl[0] = B43_NPHY_RFCTL_INTC2;
  4305. rfctl[1] = B43_NPHY_RFCTL_INTC1;
  4306. afectl_core = B43_NPHY_AFECTL_C2;
  4307. }
  4308. tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  4309. tmp[2] = b43_phy_read(dev, afectl_core);
  4310. tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  4311. tmp[4] = b43_phy_read(dev, rfctl[0]);
  4312. tmp[5] = b43_phy_read(dev, rfctl[1]);
  4313. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  4314. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  4315. ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  4316. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  4317. (1 - i));
  4318. b43_phy_set(dev, afectl_core, 0x0006);
  4319. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
  4320. band = b43_current_band(dev->wl);
  4321. if (nphy->rxcalparams & 0xFF000000) {
  4322. if (band == IEEE80211_BAND_5GHZ)
  4323. b43_phy_write(dev, rfctl[0], 0x140);
  4324. else
  4325. b43_phy_write(dev, rfctl[0], 0x110);
  4326. } else {
  4327. if (band == IEEE80211_BAND_5GHZ)
  4328. b43_phy_write(dev, rfctl[0], 0x180);
  4329. else
  4330. b43_phy_write(dev, rfctl[0], 0x120);
  4331. }
  4332. if (band == IEEE80211_BAND_5GHZ)
  4333. b43_phy_write(dev, rfctl[1], 0x148);
  4334. else
  4335. b43_phy_write(dev, rfctl[1], 0x114);
  4336. if (nphy->rxcalparams & 0x10000) {
  4337. b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
  4338. (i + 1));
  4339. b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
  4340. (2 - i));
  4341. }
  4342. for (j = 0; j < 4; j++) {
  4343. if (j < 3) {
  4344. cur_lna = lna[j];
  4345. cur_hpf1 = hpf1[j];
  4346. cur_hpf2 = hpf2[j];
  4347. } else {
  4348. if (power[1] > 10000) {
  4349. use = 1;
  4350. cur_hpf = cur_hpf1;
  4351. index = 2;
  4352. } else {
  4353. if (power[0] > 10000) {
  4354. use = 1;
  4355. cur_hpf = cur_hpf1;
  4356. index = 1;
  4357. } else {
  4358. index = 0;
  4359. use = 2;
  4360. cur_hpf = cur_hpf2;
  4361. }
  4362. }
  4363. cur_lna = lna[index];
  4364. cur_hpf1 = hpf1[index];
  4365. cur_hpf2 = hpf2[index];
  4366. cur_hpf += desired - hweight32(power[index]);
  4367. cur_hpf = clamp_val(cur_hpf, 0, 10);
  4368. if (use == 1)
  4369. cur_hpf1 = cur_hpf;
  4370. else
  4371. cur_hpf2 = cur_hpf;
  4372. }
  4373. tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
  4374. (cur_lna << 2));
  4375. b43_nphy_rf_ctl_override(dev, 0x400, tmp[0], 3,
  4376. false);
  4377. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4378. b43_nphy_stop_playback(dev);
  4379. if (playtone) {
  4380. ret = b43_nphy_tx_tone(dev, 4000,
  4381. (nphy->rxcalparams & 0xFFFF),
  4382. false, false);
  4383. playtone = false;
  4384. } else {
  4385. b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
  4386. false, false);
  4387. }
  4388. if (ret == 0) {
  4389. if (j < 3) {
  4390. b43_nphy_rx_iq_est(dev, &est, 1024, 32,
  4391. false);
  4392. if (i == 0) {
  4393. real = est.i0_pwr;
  4394. imag = est.q0_pwr;
  4395. } else {
  4396. real = est.i1_pwr;
  4397. imag = est.q1_pwr;
  4398. }
  4399. power[i] = ((real + imag) / 1024) + 1;
  4400. } else {
  4401. b43_nphy_calc_rx_iq_comp(dev, 1 << i);
  4402. }
  4403. b43_nphy_stop_playback(dev);
  4404. }
  4405. if (ret != 0)
  4406. break;
  4407. }
  4408. b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
  4409. b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
  4410. b43_phy_write(dev, rfctl[1], tmp[5]);
  4411. b43_phy_write(dev, rfctl[0], tmp[4]);
  4412. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
  4413. b43_phy_write(dev, afectl_core, tmp[2]);
  4414. b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
  4415. if (ret != 0)
  4416. break;
  4417. }
  4418. b43_nphy_rf_ctl_override(dev, 0x400, 0, 3, true);
  4419. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4420. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  4421. b43_nphy_stay_in_carrier_search(dev, 0);
  4422. return ret;
  4423. }
  4424. static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
  4425. struct nphy_txgains target, u8 type, bool debug)
  4426. {
  4427. return -1;
  4428. }
  4429. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
  4430. static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
  4431. struct nphy_txgains target, u8 type, bool debug)
  4432. {
  4433. if (dev->phy.rev >= 3)
  4434. return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
  4435. else
  4436. return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
  4437. }
  4438. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
  4439. static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
  4440. {
  4441. struct b43_phy *phy = &dev->phy;
  4442. struct b43_phy_n *nphy = phy->n;
  4443. /* u16 buf[16]; it's rev3+ */
  4444. nphy->phyrxchain = mask;
  4445. if (0 /* FIXME clk */)
  4446. return;
  4447. b43_mac_suspend(dev);
  4448. if (nphy->hang_avoid)
  4449. b43_nphy_stay_in_carrier_search(dev, true);
  4450. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  4451. (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
  4452. if ((mask & 0x3) != 0x3) {
  4453. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
  4454. if (dev->phy.rev >= 3) {
  4455. /* TODO */
  4456. }
  4457. } else {
  4458. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
  4459. if (dev->phy.rev >= 3) {
  4460. /* TODO */
  4461. }
  4462. }
  4463. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4464. if (nphy->hang_avoid)
  4465. b43_nphy_stay_in_carrier_search(dev, false);
  4466. b43_mac_enable(dev);
  4467. }
  4468. /**************************************************
  4469. * N-PHY init
  4470. **************************************************/
  4471. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
  4472. static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
  4473. {
  4474. u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
  4475. mimocfg |= B43_NPHY_MIMOCFG_AUTO;
  4476. if (preamble == 1)
  4477. mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
  4478. else
  4479. mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
  4480. b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
  4481. }
  4482. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
  4483. static void b43_nphy_bphy_init(struct b43_wldev *dev)
  4484. {
  4485. unsigned int i;
  4486. u16 val;
  4487. val = 0x1E1F;
  4488. for (i = 0; i < 16; i++) {
  4489. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  4490. val -= 0x202;
  4491. }
  4492. val = 0x3E3F;
  4493. for (i = 0; i < 16; i++) {
  4494. b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
  4495. val -= 0x202;
  4496. }
  4497. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  4498. }
  4499. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
  4500. static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
  4501. {
  4502. if (dev->phy.rev >= 3) {
  4503. if (!init)
  4504. return;
  4505. if (0 /* FIXME */) {
  4506. b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
  4507. b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
  4508. b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
  4509. b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
  4510. }
  4511. } else {
  4512. b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
  4513. b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
  4514. switch (dev->dev->bus_type) {
  4515. #ifdef CONFIG_B43_BCMA
  4516. case B43_BUS_BCMA:
  4517. bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
  4518. 0xFC00, 0xFC00);
  4519. break;
  4520. #endif
  4521. #ifdef CONFIG_B43_SSB
  4522. case B43_BUS_SSB:
  4523. ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
  4524. 0xFC00, 0xFC00);
  4525. break;
  4526. #endif
  4527. }
  4528. b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
  4529. b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
  4530. b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
  4531. 0);
  4532. if (init) {
  4533. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  4534. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  4535. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  4536. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  4537. }
  4538. }
  4539. }
  4540. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
  4541. static int b43_phy_initn(struct b43_wldev *dev)
  4542. {
  4543. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  4544. struct b43_phy *phy = &dev->phy;
  4545. struct b43_phy_n *nphy = phy->n;
  4546. u8 tx_pwr_state;
  4547. struct nphy_txgains target;
  4548. u16 tmp;
  4549. enum ieee80211_band tmp2;
  4550. bool do_rssi_cal;
  4551. u16 clip[2];
  4552. bool do_cal = false;
  4553. if ((dev->phy.rev >= 3) &&
  4554. (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
  4555. (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
  4556. switch (dev->dev->bus_type) {
  4557. #ifdef CONFIG_B43_BCMA
  4558. case B43_BUS_BCMA:
  4559. bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
  4560. BCMA_CC_CHIPCTL, 0x40);
  4561. break;
  4562. #endif
  4563. #ifdef CONFIG_B43_SSB
  4564. case B43_BUS_SSB:
  4565. chipco_set32(&dev->dev->sdev->bus->chipco,
  4566. SSB_CHIPCO_CHIPCTL, 0x40);
  4567. break;
  4568. #endif
  4569. }
  4570. }
  4571. nphy->deaf_count = 0;
  4572. b43_nphy_tables_init(dev);
  4573. nphy->crsminpwr_adjusted = false;
  4574. nphy->noisevars_adjusted = false;
  4575. /* Clear all overrides */
  4576. if (dev->phy.rev >= 3) {
  4577. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
  4578. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  4579. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
  4580. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
  4581. } else {
  4582. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  4583. }
  4584. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
  4585. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
  4586. if (dev->phy.rev < 6) {
  4587. b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
  4588. b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
  4589. }
  4590. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  4591. ~(B43_NPHY_RFSEQMODE_CAOVER |
  4592. B43_NPHY_RFSEQMODE_TROVER));
  4593. if (dev->phy.rev >= 3)
  4594. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
  4595. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
  4596. if (dev->phy.rev <= 2) {
  4597. tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
  4598. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  4599. ~B43_NPHY_BPHY_CTL3_SCALE,
  4600. tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
  4601. }
  4602. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
  4603. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
  4604. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
  4605. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  4606. dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93))
  4607. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
  4608. else
  4609. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
  4610. b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
  4611. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
  4612. b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
  4613. b43_nphy_update_mimo_config(dev, nphy->preamble_override);
  4614. b43_nphy_update_txrx_chain(dev);
  4615. if (phy->rev < 2) {
  4616. b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
  4617. b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
  4618. }
  4619. tmp2 = b43_current_band(dev->wl);
  4620. if (b43_nphy_ipa(dev)) {
  4621. b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
  4622. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
  4623. nphy->papd_epsilon_offset[0] << 7);
  4624. b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
  4625. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
  4626. nphy->papd_epsilon_offset[1] << 7);
  4627. b43_nphy_int_pa_set_tx_dig_filters(dev);
  4628. } else if (phy->rev >= 5) {
  4629. b43_nphy_ext_pa_set_tx_dig_filters(dev);
  4630. }
  4631. b43_nphy_workarounds(dev);
  4632. /* Reset CCA, in init code it differs a little from standard way */
  4633. b43_phy_force_clock(dev, 1);
  4634. tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
  4635. b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
  4636. b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
  4637. b43_phy_force_clock(dev, 0);
  4638. b43_mac_phy_clock_set(dev, true);
  4639. b43_nphy_pa_override(dev, false);
  4640. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  4641. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  4642. b43_nphy_pa_override(dev, true);
  4643. b43_nphy_classifier(dev, 0, 0);
  4644. b43_nphy_read_clip_detection(dev, clip);
  4645. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4646. b43_nphy_bphy_init(dev);
  4647. tx_pwr_state = nphy->txpwrctrl;
  4648. b43_nphy_tx_power_ctrl(dev, false);
  4649. b43_nphy_tx_power_fix(dev);
  4650. b43_nphy_tx_power_ctl_idle_tssi(dev);
  4651. b43_nphy_tx_power_ctl_setup(dev);
  4652. b43_nphy_tx_gain_table_upload(dev);
  4653. if (nphy->phyrxchain != 3)
  4654. b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
  4655. if (nphy->mphase_cal_phase_id > 0)
  4656. ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
  4657. do_rssi_cal = false;
  4658. if (phy->rev >= 3) {
  4659. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4660. do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
  4661. else
  4662. do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
  4663. if (do_rssi_cal)
  4664. b43_nphy_rssi_cal(dev);
  4665. else
  4666. b43_nphy_restore_rssi_cal(dev);
  4667. } else {
  4668. b43_nphy_rssi_cal(dev);
  4669. }
  4670. if (!((nphy->measure_hold & 0x6) != 0)) {
  4671. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4672. do_cal = !nphy->iqcal_chanspec_2G.center_freq;
  4673. else
  4674. do_cal = !nphy->iqcal_chanspec_5G.center_freq;
  4675. if (nphy->mute)
  4676. do_cal = false;
  4677. if (do_cal) {
  4678. target = b43_nphy_get_tx_gains(dev);
  4679. if (nphy->antsel_type == 2)
  4680. b43_nphy_superswitch_init(dev, true);
  4681. if (nphy->perical != 2) {
  4682. b43_nphy_rssi_cal(dev);
  4683. if (phy->rev >= 3) {
  4684. nphy->cal_orig_pwr_idx[0] =
  4685. nphy->txpwrindex[0].index_internal;
  4686. nphy->cal_orig_pwr_idx[1] =
  4687. nphy->txpwrindex[1].index_internal;
  4688. /* TODO N PHY Pre Calibrate TX Gain */
  4689. target = b43_nphy_get_tx_gains(dev);
  4690. }
  4691. if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
  4692. if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
  4693. b43_nphy_save_cal(dev);
  4694. } else if (nphy->mphase_cal_phase_id == 0)
  4695. ;/* N PHY Periodic Calibration with arg 3 */
  4696. } else {
  4697. b43_nphy_restore_cal(dev);
  4698. }
  4699. }
  4700. b43_nphy_tx_pwr_ctrl_coef_setup(dev);
  4701. b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
  4702. b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
  4703. b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
  4704. if (phy->rev >= 3 && phy->rev <= 6)
  4705. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0032);
  4706. b43_nphy_tx_lp_fbw(dev);
  4707. if (phy->rev >= 3)
  4708. b43_nphy_spur_workaround(dev);
  4709. return 0;
  4710. }
  4711. /**************************************************
  4712. * Channel switching ops.
  4713. **************************************************/
  4714. static void b43_chantab_phy_upload(struct b43_wldev *dev,
  4715. const struct b43_phy_n_sfo_cfg *e)
  4716. {
  4717. b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
  4718. b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
  4719. b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
  4720. b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
  4721. b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
  4722. b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
  4723. }
  4724. /* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
  4725. static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
  4726. {
  4727. switch (dev->dev->bus_type) {
  4728. #ifdef CONFIG_B43_BCMA
  4729. case B43_BUS_BCMA:
  4730. bcma_pmu_spuravoid_pllupdate(&dev->dev->bdev->bus->drv_cc,
  4731. avoid);
  4732. break;
  4733. #endif
  4734. #ifdef CONFIG_B43_SSB
  4735. case B43_BUS_SSB:
  4736. ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco,
  4737. avoid);
  4738. break;
  4739. #endif
  4740. }
  4741. }
  4742. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
  4743. static void b43_nphy_channel_setup(struct b43_wldev *dev,
  4744. const struct b43_phy_n_sfo_cfg *e,
  4745. struct ieee80211_channel *new_channel)
  4746. {
  4747. struct b43_phy *phy = &dev->phy;
  4748. struct b43_phy_n *nphy = dev->phy.n;
  4749. int ch = new_channel->hw_value;
  4750. u16 old_band_5ghz;
  4751. u16 tmp16;
  4752. old_band_5ghz =
  4753. b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
  4754. if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
  4755. tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
  4756. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
  4757. b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
  4758. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
  4759. b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
  4760. } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
  4761. b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
  4762. tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
  4763. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
  4764. b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
  4765. b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
  4766. }
  4767. b43_chantab_phy_upload(dev, e);
  4768. if (new_channel->hw_value == 14) {
  4769. b43_nphy_classifier(dev, 2, 0);
  4770. b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
  4771. } else {
  4772. b43_nphy_classifier(dev, 2, 2);
  4773. if (new_channel->band == IEEE80211_BAND_2GHZ)
  4774. b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
  4775. }
  4776. if (!nphy->txpwrctrl)
  4777. b43_nphy_tx_power_fix(dev);
  4778. if (dev->phy.rev < 3)
  4779. b43_nphy_adjust_lna_gain_table(dev);
  4780. b43_nphy_tx_lp_fbw(dev);
  4781. if (dev->phy.rev >= 3 &&
  4782. dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
  4783. bool avoid = false;
  4784. if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
  4785. avoid = true;
  4786. } else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
  4787. if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
  4788. avoid = true;
  4789. } else { /* 40MHz */
  4790. if (nphy->aband_spurwar_en &&
  4791. (ch == 38 || ch == 102 || ch == 118))
  4792. avoid = dev->dev->chip_id == 0x4716;
  4793. }
  4794. b43_nphy_pmu_spur_avoid(dev, avoid);
  4795. if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
  4796. dev->dev->chip_id == 43225) {
  4797. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
  4798. avoid ? 0x5341 : 0x8889);
  4799. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
  4800. }
  4801. if (dev->phy.rev == 3 || dev->phy.rev == 4)
  4802. ; /* TODO: reset PLL */
  4803. if (avoid)
  4804. b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
  4805. else
  4806. b43_phy_mask(dev, B43_NPHY_BBCFG,
  4807. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  4808. b43_nphy_reset_cca(dev);
  4809. /* wl sets useless phy_isspuravoid here */
  4810. }
  4811. b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
  4812. if (phy->rev >= 3)
  4813. b43_nphy_spur_workaround(dev);
  4814. }
  4815. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
  4816. static int b43_nphy_set_channel(struct b43_wldev *dev,
  4817. struct ieee80211_channel *channel,
  4818. enum nl80211_channel_type channel_type)
  4819. {
  4820. struct b43_phy *phy = &dev->phy;
  4821. const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
  4822. const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
  4823. u8 tmp;
  4824. if (dev->phy.rev >= 3) {
  4825. tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
  4826. channel->center_freq);
  4827. if (!tabent_r3)
  4828. return -ESRCH;
  4829. } else {
  4830. tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
  4831. channel->hw_value);
  4832. if (!tabent_r2)
  4833. return -ESRCH;
  4834. }
  4835. /* Channel is set later in common code, but we need to set it on our
  4836. own to let this function's subcalls work properly. */
  4837. phy->channel = channel->hw_value;
  4838. phy->channel_freq = channel->center_freq;
  4839. if (b43_channel_type_is_40mhz(phy->channel_type) !=
  4840. b43_channel_type_is_40mhz(channel_type))
  4841. ; /* TODO: BMAC BW Set (channel_type) */
  4842. if (channel_type == NL80211_CHAN_HT40PLUS)
  4843. b43_phy_set(dev, B43_NPHY_RXCTL,
  4844. B43_NPHY_RXCTL_BSELU20);
  4845. else if (channel_type == NL80211_CHAN_HT40MINUS)
  4846. b43_phy_mask(dev, B43_NPHY_RXCTL,
  4847. ~B43_NPHY_RXCTL_BSELU20);
  4848. if (dev->phy.rev >= 3) {
  4849. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
  4850. b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
  4851. b43_radio_2056_setup(dev, tabent_r3);
  4852. b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
  4853. } else {
  4854. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
  4855. b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
  4856. b43_radio_2055_setup(dev, tabent_r2);
  4857. b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
  4858. }
  4859. return 0;
  4860. }
  4861. /**************************************************
  4862. * Basic PHY ops.
  4863. **************************************************/
  4864. static int b43_nphy_op_allocate(struct b43_wldev *dev)
  4865. {
  4866. struct b43_phy_n *nphy;
  4867. nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
  4868. if (!nphy)
  4869. return -ENOMEM;
  4870. dev->phy.n = nphy;
  4871. return 0;
  4872. }
  4873. static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
  4874. {
  4875. struct b43_phy *phy = &dev->phy;
  4876. struct b43_phy_n *nphy = phy->n;
  4877. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  4878. memset(nphy, 0, sizeof(*nphy));
  4879. nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
  4880. nphy->spur_avoid = (phy->rev >= 3) ?
  4881. B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
  4882. nphy->gain_boost = true; /* this way we follow wl, assume it is true */
  4883. nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
  4884. nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
  4885. nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
  4886. /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
  4887. * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
  4888. nphy->tx_pwr_idx[0] = 128;
  4889. nphy->tx_pwr_idx[1] = 128;
  4890. /* Hardware TX power control and 5GHz power gain */
  4891. nphy->txpwrctrl = false;
  4892. nphy->pwg_gain_5ghz = false;
  4893. if (dev->phy.rev >= 3 ||
  4894. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  4895. (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
  4896. nphy->txpwrctrl = true;
  4897. nphy->pwg_gain_5ghz = true;
  4898. } else if (sprom->revision >= 4) {
  4899. if (dev->phy.rev >= 2 &&
  4900. (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
  4901. nphy->txpwrctrl = true;
  4902. #ifdef CONFIG_B43_SSB
  4903. if (dev->dev->bus_type == B43_BUS_SSB &&
  4904. dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
  4905. struct pci_dev *pdev =
  4906. dev->dev->sdev->bus->host_pci;
  4907. if (pdev->device == 0x4328 ||
  4908. pdev->device == 0x432a)
  4909. nphy->pwg_gain_5ghz = true;
  4910. }
  4911. #endif
  4912. } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
  4913. nphy->pwg_gain_5ghz = true;
  4914. }
  4915. }
  4916. if (dev->phy.rev >= 3) {
  4917. nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
  4918. nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
  4919. }
  4920. }
  4921. static void b43_nphy_op_free(struct b43_wldev *dev)
  4922. {
  4923. struct b43_phy *phy = &dev->phy;
  4924. struct b43_phy_n *nphy = phy->n;
  4925. kfree(nphy);
  4926. phy->n = NULL;
  4927. }
  4928. static int b43_nphy_op_init(struct b43_wldev *dev)
  4929. {
  4930. return b43_phy_initn(dev);
  4931. }
  4932. static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
  4933. {
  4934. #if B43_DEBUG
  4935. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  4936. /* OFDM registers are onnly available on A/G-PHYs */
  4937. b43err(dev->wl, "Invalid OFDM PHY access at "
  4938. "0x%04X on N-PHY\n", offset);
  4939. dump_stack();
  4940. }
  4941. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  4942. /* Ext-G registers are only available on G-PHYs */
  4943. b43err(dev->wl, "Invalid EXT-G PHY access at "
  4944. "0x%04X on N-PHY\n", offset);
  4945. dump_stack();
  4946. }
  4947. #endif /* B43_DEBUG */
  4948. }
  4949. static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
  4950. {
  4951. check_phyreg(dev, reg);
  4952. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4953. return b43_read16(dev, B43_MMIO_PHY_DATA);
  4954. }
  4955. static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  4956. {
  4957. check_phyreg(dev, reg);
  4958. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4959. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  4960. }
  4961. static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
  4962. u16 set)
  4963. {
  4964. check_phyreg(dev, reg);
  4965. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4966. b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
  4967. }
  4968. static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  4969. {
  4970. /* Register 1 is a 32-bit register. */
  4971. B43_WARN_ON(reg == 1);
  4972. if (dev->phy.rev >= 7)
  4973. reg |= 0x200; /* Radio 0x2057 */
  4974. else
  4975. reg |= 0x100;
  4976. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4977. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  4978. }
  4979. static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  4980. {
  4981. /* Register 1 is a 32-bit register. */
  4982. B43_WARN_ON(reg == 1);
  4983. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4984. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  4985. }
  4986. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  4987. static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
  4988. bool blocked)
  4989. {
  4990. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  4991. b43err(dev->wl, "MAC not suspended\n");
  4992. if (blocked) {
  4993. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  4994. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  4995. if (dev->phy.rev >= 7) {
  4996. /* TODO */
  4997. } else if (dev->phy.rev >= 3) {
  4998. b43_radio_mask(dev, 0x09, ~0x2);
  4999. b43_radio_write(dev, 0x204D, 0);
  5000. b43_radio_write(dev, 0x2053, 0);
  5001. b43_radio_write(dev, 0x2058, 0);
  5002. b43_radio_write(dev, 0x205E, 0);
  5003. b43_radio_mask(dev, 0x2062, ~0xF0);
  5004. b43_radio_write(dev, 0x2064, 0);
  5005. b43_radio_write(dev, 0x304D, 0);
  5006. b43_radio_write(dev, 0x3053, 0);
  5007. b43_radio_write(dev, 0x3058, 0);
  5008. b43_radio_write(dev, 0x305E, 0);
  5009. b43_radio_mask(dev, 0x3062, ~0xF0);
  5010. b43_radio_write(dev, 0x3064, 0);
  5011. }
  5012. } else {
  5013. if (dev->phy.rev >= 7) {
  5014. if (!dev->phy.radio_on)
  5015. b43_radio_2057_init(dev);
  5016. b43_switch_channel(dev, dev->phy.channel);
  5017. } else if (dev->phy.rev >= 3) {
  5018. if (!dev->phy.radio_on)
  5019. b43_radio_init2056(dev);
  5020. b43_switch_channel(dev, dev->phy.channel);
  5021. } else {
  5022. b43_radio_init2055(dev);
  5023. }
  5024. }
  5025. }
  5026. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
  5027. static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
  5028. {
  5029. u16 override = on ? 0x0 : 0x7FFF;
  5030. u16 core = on ? 0xD : 0x00FD;
  5031. if (dev->phy.rev >= 3) {
  5032. if (on) {
  5033. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  5034. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  5035. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  5036. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  5037. } else {
  5038. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  5039. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  5040. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  5041. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  5042. }
  5043. } else {
  5044. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  5045. }
  5046. }
  5047. static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
  5048. unsigned int new_channel)
  5049. {
  5050. struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
  5051. enum nl80211_channel_type channel_type =
  5052. cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);
  5053. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  5054. if ((new_channel < 1) || (new_channel > 14))
  5055. return -EINVAL;
  5056. } else {
  5057. if (new_channel > 200)
  5058. return -EINVAL;
  5059. }
  5060. return b43_nphy_set_channel(dev, channel, channel_type);
  5061. }
  5062. static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
  5063. {
  5064. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  5065. return 1;
  5066. return 36;
  5067. }
  5068. const struct b43_phy_operations b43_phyops_n = {
  5069. .allocate = b43_nphy_op_allocate,
  5070. .free = b43_nphy_op_free,
  5071. .prepare_structs = b43_nphy_op_prepare_structs,
  5072. .init = b43_nphy_op_init,
  5073. .phy_read = b43_nphy_op_read,
  5074. .phy_write = b43_nphy_op_write,
  5075. .phy_maskset = b43_nphy_op_maskset,
  5076. .radio_read = b43_nphy_op_radio_read,
  5077. .radio_write = b43_nphy_op_radio_write,
  5078. .software_rfkill = b43_nphy_op_software_rfkill,
  5079. .switch_analog = b43_nphy_op_switch_analog,
  5080. .switch_channel = b43_nphy_op_switch_channel,
  5081. .get_default_chan = b43_nphy_op_get_default_chan,
  5082. .recalc_txpower = b43_nphy_op_recalc_txpower,
  5083. .adjust_txpower = b43_nphy_op_adjust_txpower,
  5084. };