phy_n.c 139 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 "main.h"
  28. struct nphy_txgains {
  29. u16 txgm[2];
  30. u16 pga[2];
  31. u16 pad[2];
  32. u16 ipa[2];
  33. };
  34. struct nphy_iqcal_params {
  35. u16 txgm;
  36. u16 pga;
  37. u16 pad;
  38. u16 ipa;
  39. u16 cal_gain;
  40. u16 ncorr[5];
  41. };
  42. struct nphy_iq_est {
  43. s32 iq0_prod;
  44. u32 i0_pwr;
  45. u32 q0_pwr;
  46. s32 iq1_prod;
  47. u32 i1_pwr;
  48. u32 q1_pwr;
  49. };
  50. enum b43_nphy_rf_sequence {
  51. B43_RFSEQ_RX2TX,
  52. B43_RFSEQ_TX2RX,
  53. B43_RFSEQ_RESET2RX,
  54. B43_RFSEQ_UPDATE_GAINH,
  55. B43_RFSEQ_UPDATE_GAINL,
  56. B43_RFSEQ_UPDATE_GAINU,
  57. };
  58. enum b43_nphy_rssi_type {
  59. B43_NPHY_RSSI_X = 0,
  60. B43_NPHY_RSSI_Y,
  61. B43_NPHY_RSSI_Z,
  62. B43_NPHY_RSSI_PWRDET,
  63. B43_NPHY_RSSI_TSSI_I,
  64. B43_NPHY_RSSI_TSSI_Q,
  65. B43_NPHY_RSSI_TBD,
  66. };
  67. static inline bool b43_nphy_ipa(struct b43_wldev *dev)
  68. {
  69. enum ieee80211_band band = b43_current_band(dev->wl);
  70. return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  71. (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
  72. }
  73. /**************************************************
  74. * RF (just without b43_nphy_rf_control_intc_override)
  75. **************************************************/
  76. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
  77. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  78. enum b43_nphy_rf_sequence seq)
  79. {
  80. static const u16 trigger[] = {
  81. [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
  82. [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
  83. [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
  84. [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
  85. [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
  86. [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
  87. };
  88. int i;
  89. u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  90. B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
  91. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  92. B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
  93. b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
  94. for (i = 0; i < 200; i++) {
  95. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
  96. goto ok;
  97. msleep(1);
  98. }
  99. b43err(dev->wl, "RF sequence status timeout\n");
  100. ok:
  101. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  102. }
  103. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
  104. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  105. u16 value, u8 core, bool off)
  106. {
  107. int i;
  108. u8 index = fls(field);
  109. u8 addr, en_addr, val_addr;
  110. /* we expect only one bit set */
  111. B43_WARN_ON(field & (~(1 << (index - 1))));
  112. if (dev->phy.rev >= 3) {
  113. const struct nphy_rf_control_override_rev3 *rf_ctrl;
  114. for (i = 0; i < 2; i++) {
  115. if (index == 0 || index == 16) {
  116. b43err(dev->wl,
  117. "Unsupported RF Ctrl Override call\n");
  118. return;
  119. }
  120. rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
  121. en_addr = B43_PHY_N((i == 0) ?
  122. rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
  123. val_addr = B43_PHY_N((i == 0) ?
  124. rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
  125. if (off) {
  126. b43_phy_mask(dev, en_addr, ~(field));
  127. b43_phy_mask(dev, val_addr,
  128. ~(rf_ctrl->val_mask));
  129. } else {
  130. if (core == 0 || ((1 << i) & core)) {
  131. b43_phy_set(dev, en_addr, field);
  132. b43_phy_maskset(dev, val_addr,
  133. ~(rf_ctrl->val_mask),
  134. (value << rf_ctrl->val_shift));
  135. }
  136. }
  137. }
  138. } else {
  139. const struct nphy_rf_control_override_rev2 *rf_ctrl;
  140. if (off) {
  141. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
  142. value = 0;
  143. } else {
  144. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
  145. }
  146. for (i = 0; i < 2; i++) {
  147. if (index <= 1 || index == 16) {
  148. b43err(dev->wl,
  149. "Unsupported RF Ctrl Override call\n");
  150. return;
  151. }
  152. if (index == 2 || index == 10 ||
  153. (index >= 13 && index <= 15)) {
  154. core = 1;
  155. }
  156. rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
  157. addr = B43_PHY_N((i == 0) ?
  158. rf_ctrl->addr0 : rf_ctrl->addr1);
  159. if ((1 << i) & core)
  160. b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
  161. (value << rf_ctrl->shift));
  162. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  163. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  164. B43_NPHY_RFCTL_CMD_START);
  165. udelay(1);
  166. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
  167. }
  168. }
  169. }
  170. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
  171. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  172. u16 value, u8 core)
  173. {
  174. u8 i, j;
  175. u16 reg, tmp, val;
  176. B43_WARN_ON(dev->phy.rev < 3);
  177. B43_WARN_ON(field > 4);
  178. for (i = 0; i < 2; i++) {
  179. if ((core == 1 && i == 1) || (core == 2 && !i))
  180. continue;
  181. reg = (i == 0) ?
  182. B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  183. b43_phy_set(dev, reg, 0x400);
  184. switch (field) {
  185. case 0:
  186. b43_phy_write(dev, reg, 0);
  187. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  188. break;
  189. case 1:
  190. if (!i) {
  191. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
  192. 0xFC3F, (value << 6));
  193. b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
  194. 0xFFFE, 1);
  195. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  196. B43_NPHY_RFCTL_CMD_START);
  197. for (j = 0; j < 100; j++) {
  198. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
  199. j = 0;
  200. break;
  201. }
  202. udelay(10);
  203. }
  204. if (j)
  205. b43err(dev->wl,
  206. "intc override timeout\n");
  207. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
  208. 0xFFFE);
  209. } else {
  210. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
  211. 0xFC3F, (value << 6));
  212. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  213. 0xFFFE, 1);
  214. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  215. B43_NPHY_RFCTL_CMD_RXTX);
  216. for (j = 0; j < 100; j++) {
  217. if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
  218. j = 0;
  219. break;
  220. }
  221. udelay(10);
  222. }
  223. if (j)
  224. b43err(dev->wl,
  225. "intc override timeout\n");
  226. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  227. 0xFFFE);
  228. }
  229. break;
  230. case 2:
  231. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  232. tmp = 0x0020;
  233. val = value << 5;
  234. } else {
  235. tmp = 0x0010;
  236. val = value << 4;
  237. }
  238. b43_phy_maskset(dev, reg, ~tmp, val);
  239. break;
  240. case 3:
  241. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  242. tmp = 0x0001;
  243. val = value;
  244. } else {
  245. tmp = 0x0004;
  246. val = value << 2;
  247. }
  248. b43_phy_maskset(dev, reg, ~tmp, val);
  249. break;
  250. case 4:
  251. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  252. tmp = 0x0002;
  253. val = value << 1;
  254. } else {
  255. tmp = 0x0008;
  256. val = value << 3;
  257. }
  258. b43_phy_maskset(dev, reg, ~tmp, val);
  259. break;
  260. }
  261. }
  262. }
  263. /**************************************************
  264. * Various PHY ops
  265. **************************************************/
  266. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  267. static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
  268. const u16 *clip_st)
  269. {
  270. b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
  271. b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
  272. }
  273. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  274. static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  275. {
  276. clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
  277. clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
  278. }
  279. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
  280. static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  281. {
  282. u16 tmp;
  283. if (dev->dev->core_rev == 16)
  284. b43_mac_suspend(dev);
  285. tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
  286. tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
  287. B43_NPHY_CLASSCTL_WAITEDEN);
  288. tmp &= ~mask;
  289. tmp |= (val & mask);
  290. b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
  291. if (dev->dev->core_rev == 16)
  292. b43_mac_enable(dev);
  293. return tmp;
  294. }
  295. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
  296. static void b43_nphy_reset_cca(struct b43_wldev *dev)
  297. {
  298. u16 bbcfg;
  299. b43_phy_force_clock(dev, 1);
  300. bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
  301. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
  302. udelay(1);
  303. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
  304. b43_phy_force_clock(dev, 0);
  305. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  306. }
  307. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
  308. static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
  309. {
  310. struct b43_phy *phy = &dev->phy;
  311. struct b43_phy_n *nphy = phy->n;
  312. if (enable) {
  313. static const u16 clip[] = { 0xFFFF, 0xFFFF };
  314. if (nphy->deaf_count++ == 0) {
  315. nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
  316. b43_nphy_classifier(dev, 0x7, 0);
  317. b43_nphy_read_clip_detection(dev, nphy->clip_state);
  318. b43_nphy_write_clip_detection(dev, clip);
  319. }
  320. b43_nphy_reset_cca(dev);
  321. } else {
  322. if (--nphy->deaf_count == 0) {
  323. b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
  324. b43_nphy_write_clip_detection(dev, nphy->clip_state);
  325. }
  326. }
  327. }
  328. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
  329. static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
  330. {
  331. struct b43_phy_n *nphy = dev->phy.n;
  332. u8 i;
  333. s16 tmp;
  334. u16 data[4];
  335. s16 gain[2];
  336. u16 minmax[2];
  337. static const u16 lna_gain[4] = { -2, 10, 19, 25 };
  338. if (nphy->hang_avoid)
  339. b43_nphy_stay_in_carrier_search(dev, 1);
  340. if (nphy->gain_boost) {
  341. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  342. gain[0] = 6;
  343. gain[1] = 6;
  344. } else {
  345. tmp = 40370 - 315 * dev->phy.channel;
  346. gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
  347. tmp = 23242 - 224 * dev->phy.channel;
  348. gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
  349. }
  350. } else {
  351. gain[0] = 0;
  352. gain[1] = 0;
  353. }
  354. for (i = 0; i < 2; i++) {
  355. if (nphy->elna_gain_config) {
  356. data[0] = 19 + gain[i];
  357. data[1] = 25 + gain[i];
  358. data[2] = 25 + gain[i];
  359. data[3] = 25 + gain[i];
  360. } else {
  361. data[0] = lna_gain[0] + gain[i];
  362. data[1] = lna_gain[1] + gain[i];
  363. data[2] = lna_gain[2] + gain[i];
  364. data[3] = lna_gain[3] + gain[i];
  365. }
  366. b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
  367. minmax[i] = 23 + gain[i];
  368. }
  369. b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
  370. minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
  371. b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
  372. minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
  373. if (nphy->hang_avoid)
  374. b43_nphy_stay_in_carrier_search(dev, 0);
  375. }
  376. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
  377. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  378. u8 *events, u8 *delays, u8 length)
  379. {
  380. struct b43_phy_n *nphy = dev->phy.n;
  381. u8 i;
  382. u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
  383. u16 offset1 = cmd << 4;
  384. u16 offset2 = offset1 + 0x80;
  385. if (nphy->hang_avoid)
  386. b43_nphy_stay_in_carrier_search(dev, true);
  387. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
  388. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
  389. for (i = length; i < 16; i++) {
  390. b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
  391. b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
  392. }
  393. if (nphy->hang_avoid)
  394. b43_nphy_stay_in_carrier_search(dev, false);
  395. }
  396. /**************************************************
  397. * Radio 0x2056
  398. **************************************************/
  399. static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
  400. const struct b43_nphy_channeltab_entry_rev3 *e)
  401. {
  402. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
  403. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
  404. b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
  405. b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
  406. b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
  407. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
  408. e->radio_syn_pll_loopfilter1);
  409. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
  410. e->radio_syn_pll_loopfilter2);
  411. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
  412. e->radio_syn_pll_loopfilter3);
  413. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
  414. e->radio_syn_pll_loopfilter4);
  415. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
  416. e->radio_syn_pll_loopfilter5);
  417. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
  418. e->radio_syn_reserved_addr27);
  419. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
  420. e->radio_syn_reserved_addr28);
  421. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
  422. e->radio_syn_reserved_addr29);
  423. b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
  424. e->radio_syn_logen_vcobuf1);
  425. b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
  426. b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
  427. b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
  428. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
  429. e->radio_rx0_lnaa_tune);
  430. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
  431. e->radio_rx0_lnag_tune);
  432. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
  433. e->radio_tx0_intpaa_boost_tune);
  434. b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
  435. e->radio_tx0_intpag_boost_tune);
  436. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
  437. e->radio_tx0_pada_boost_tune);
  438. b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
  439. e->radio_tx0_padg_boost_tune);
  440. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
  441. e->radio_tx0_pgaa_boost_tune);
  442. b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
  443. e->radio_tx0_pgag_boost_tune);
  444. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
  445. e->radio_tx0_mixa_boost_tune);
  446. b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
  447. e->radio_tx0_mixg_boost_tune);
  448. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
  449. e->radio_rx1_lnaa_tune);
  450. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
  451. e->radio_rx1_lnag_tune);
  452. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
  453. e->radio_tx1_intpaa_boost_tune);
  454. b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
  455. e->radio_tx1_intpag_boost_tune);
  456. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
  457. e->radio_tx1_pada_boost_tune);
  458. b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
  459. e->radio_tx1_padg_boost_tune);
  460. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
  461. e->radio_tx1_pgaa_boost_tune);
  462. b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
  463. e->radio_tx1_pgag_boost_tune);
  464. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
  465. e->radio_tx1_mixa_boost_tune);
  466. b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
  467. e->radio_tx1_mixg_boost_tune);
  468. }
  469. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
  470. static void b43_radio_2056_setup(struct b43_wldev *dev,
  471. const struct b43_nphy_channeltab_entry_rev3 *e)
  472. {
  473. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  474. enum ieee80211_band band = b43_current_band(dev->wl);
  475. u16 offset;
  476. u8 i;
  477. u16 bias, cbias, pag_boost, pgag_boost, mixg_boost, padg_boost;
  478. B43_WARN_ON(dev->phy.rev < 3);
  479. b43_chantab_radio_2056_upload(dev, e);
  480. b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);
  481. if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  482. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  483. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  484. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  485. if (dev->dev->chip_id == 0x4716) {
  486. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
  487. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
  488. } else {
  489. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
  490. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
  491. }
  492. }
  493. if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  494. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  495. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
  496. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
  497. b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
  498. b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
  499. }
  500. if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
  501. for (i = 0; i < 2; i++) {
  502. offset = i ? B2056_TX1 : B2056_TX0;
  503. if (dev->phy.rev >= 5) {
  504. b43_radio_write(dev,
  505. offset | B2056_TX_PADG_IDAC, 0xcc);
  506. if (dev->dev->chip_id == 0x4716) {
  507. bias = 0x40;
  508. cbias = 0x45;
  509. pag_boost = 0x5;
  510. pgag_boost = 0x33;
  511. mixg_boost = 0x55;
  512. } else {
  513. bias = 0x25;
  514. cbias = 0x20;
  515. pag_boost = 0x4;
  516. pgag_boost = 0x03;
  517. mixg_boost = 0x65;
  518. }
  519. padg_boost = 0x77;
  520. b43_radio_write(dev,
  521. offset | B2056_TX_INTPAG_IMAIN_STAT,
  522. bias);
  523. b43_radio_write(dev,
  524. offset | B2056_TX_INTPAG_IAUX_STAT,
  525. bias);
  526. b43_radio_write(dev,
  527. offset | B2056_TX_INTPAG_CASCBIAS,
  528. cbias);
  529. b43_radio_write(dev,
  530. offset | B2056_TX_INTPAG_BOOST_TUNE,
  531. pag_boost);
  532. b43_radio_write(dev,
  533. offset | B2056_TX_PGAG_BOOST_TUNE,
  534. pgag_boost);
  535. b43_radio_write(dev,
  536. offset | B2056_TX_PADG_BOOST_TUNE,
  537. padg_boost);
  538. b43_radio_write(dev,
  539. offset | B2056_TX_MIXG_BOOST_TUNE,
  540. mixg_boost);
  541. } else {
  542. bias = dev->phy.is_40mhz ? 0x40 : 0x20;
  543. b43_radio_write(dev,
  544. offset | B2056_TX_INTPAG_IMAIN_STAT,
  545. bias);
  546. b43_radio_write(dev,
  547. offset | B2056_TX_INTPAG_IAUX_STAT,
  548. bias);
  549. b43_radio_write(dev,
  550. offset | B2056_TX_INTPAG_CASCBIAS,
  551. 0x30);
  552. }
  553. b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
  554. }
  555. } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
  556. /* TODO */
  557. }
  558. udelay(50);
  559. /* VCO calibration */
  560. b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
  561. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  562. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
  563. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
  564. b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
  565. udelay(300);
  566. }
  567. static void b43_radio_init2056_pre(struct b43_wldev *dev)
  568. {
  569. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  570. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  571. /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
  572. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  573. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  574. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  575. ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
  576. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  577. B43_NPHY_RFCTL_CMD_CHIP0PU);
  578. }
  579. static void b43_radio_init2056_post(struct b43_wldev *dev)
  580. {
  581. b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
  582. b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
  583. b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
  584. msleep(1);
  585. b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
  586. b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
  587. b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
  588. /*
  589. if (nphy->init_por)
  590. Call Radio 2056 Recalibrate
  591. */
  592. }
  593. /*
  594. * Initialize a Broadcom 2056 N-radio
  595. * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
  596. */
  597. static void b43_radio_init2056(struct b43_wldev *dev)
  598. {
  599. b43_radio_init2056_pre(dev);
  600. b2056_upload_inittabs(dev, 0, 0);
  601. b43_radio_init2056_post(dev);
  602. }
  603. /**************************************************
  604. * Radio 0x2055
  605. **************************************************/
  606. static void b43_chantab_radio_upload(struct b43_wldev *dev,
  607. const struct b43_nphy_channeltab_entry_rev2 *e)
  608. {
  609. b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
  610. b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
  611. b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
  612. b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
  613. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  614. b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
  615. b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
  616. b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
  617. b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
  618. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  619. b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
  620. b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
  621. b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
  622. b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
  623. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  624. b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
  625. b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
  626. b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
  627. b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
  628. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  629. b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
  630. b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
  631. b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
  632. b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
  633. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  634. b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
  635. b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
  636. }
  637. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
  638. static void b43_radio_2055_setup(struct b43_wldev *dev,
  639. const struct b43_nphy_channeltab_entry_rev2 *e)
  640. {
  641. B43_WARN_ON(dev->phy.rev >= 3);
  642. b43_chantab_radio_upload(dev, e);
  643. udelay(50);
  644. b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
  645. b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
  646. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  647. b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
  648. udelay(300);
  649. }
  650. static void b43_radio_init2055_pre(struct b43_wldev *dev)
  651. {
  652. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  653. ~B43_NPHY_RFCTL_CMD_PORFORCE);
  654. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  655. B43_NPHY_RFCTL_CMD_CHIP0PU |
  656. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  657. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  658. B43_NPHY_RFCTL_CMD_PORFORCE);
  659. }
  660. static void b43_radio_init2055_post(struct b43_wldev *dev)
  661. {
  662. struct b43_phy_n *nphy = dev->phy.n;
  663. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  664. int i;
  665. u16 val;
  666. bool workaround = false;
  667. if (sprom->revision < 4)
  668. workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
  669. && dev->dev->board_type == 0x46D
  670. && dev->dev->board_rev >= 0x41);
  671. else
  672. workaround =
  673. !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
  674. b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
  675. if (workaround) {
  676. b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
  677. b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
  678. }
  679. b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
  680. b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
  681. b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
  682. b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
  683. b43_radio_set(dev, B2055_CAL_MISC, 0x1);
  684. msleep(1);
  685. b43_radio_set(dev, B2055_CAL_MISC, 0x40);
  686. for (i = 0; i < 200; i++) {
  687. val = b43_radio_read(dev, B2055_CAL_COUT2);
  688. if (val & 0x80) {
  689. i = 0;
  690. break;
  691. }
  692. udelay(10);
  693. }
  694. if (i)
  695. b43err(dev->wl, "radio post init timeout\n");
  696. b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
  697. b43_switch_channel(dev, dev->phy.channel);
  698. b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
  699. b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
  700. b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
  701. b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
  702. b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
  703. b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
  704. if (!nphy->gain_boost) {
  705. b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
  706. b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
  707. } else {
  708. b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
  709. b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
  710. }
  711. udelay(2);
  712. }
  713. /*
  714. * Initialize a Broadcom 2055 N-radio
  715. * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
  716. */
  717. static void b43_radio_init2055(struct b43_wldev *dev)
  718. {
  719. b43_radio_init2055_pre(dev);
  720. if (b43_status(dev) < B43_STAT_INITIALIZED) {
  721. /* Follow wl, not specs. Do not force uploading all regs */
  722. b2055_upload_inittab(dev, 0, 0);
  723. } else {
  724. bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
  725. b2055_upload_inittab(dev, ghz5, 0);
  726. }
  727. b43_radio_init2055_post(dev);
  728. }
  729. /**************************************************
  730. * Samples
  731. **************************************************/
  732. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
  733. static int b43_nphy_load_samples(struct b43_wldev *dev,
  734. struct b43_c32 *samples, u16 len) {
  735. struct b43_phy_n *nphy = dev->phy.n;
  736. u16 i;
  737. u32 *data;
  738. data = kzalloc(len * sizeof(u32), GFP_KERNEL);
  739. if (!data) {
  740. b43err(dev->wl, "allocation for samples loading failed\n");
  741. return -ENOMEM;
  742. }
  743. if (nphy->hang_avoid)
  744. b43_nphy_stay_in_carrier_search(dev, 1);
  745. for (i = 0; i < len; i++) {
  746. data[i] = (samples[i].i & 0x3FF << 10);
  747. data[i] |= samples[i].q & 0x3FF;
  748. }
  749. b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
  750. kfree(data);
  751. if (nphy->hang_avoid)
  752. b43_nphy_stay_in_carrier_search(dev, 0);
  753. return 0;
  754. }
  755. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
  756. static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
  757. bool test)
  758. {
  759. int i;
  760. u16 bw, len, rot, angle;
  761. struct b43_c32 *samples;
  762. bw = (dev->phy.is_40mhz) ? 40 : 20;
  763. len = bw << 3;
  764. if (test) {
  765. if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
  766. bw = 82;
  767. else
  768. bw = 80;
  769. if (dev->phy.is_40mhz)
  770. bw <<= 1;
  771. len = bw << 1;
  772. }
  773. samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
  774. if (!samples) {
  775. b43err(dev->wl, "allocation for samples generation failed\n");
  776. return 0;
  777. }
  778. rot = (((freq * 36) / bw) << 16) / 100;
  779. angle = 0;
  780. for (i = 0; i < len; i++) {
  781. samples[i] = b43_cordic(angle);
  782. angle += rot;
  783. samples[i].q = CORDIC_CONVERT(samples[i].q * max);
  784. samples[i].i = CORDIC_CONVERT(samples[i].i * max);
  785. }
  786. i = b43_nphy_load_samples(dev, samples, len);
  787. kfree(samples);
  788. return (i < 0) ? 0 : len;
  789. }
  790. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
  791. static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
  792. u16 wait, bool iqmode, bool dac_test)
  793. {
  794. struct b43_phy_n *nphy = dev->phy.n;
  795. int i;
  796. u16 seq_mode;
  797. u32 tmp;
  798. if (nphy->hang_avoid)
  799. b43_nphy_stay_in_carrier_search(dev, true);
  800. if ((nphy->bb_mult_save & 0x80000000) == 0) {
  801. tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
  802. nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
  803. }
  804. if (!dev->phy.is_40mhz)
  805. tmp = 0x6464;
  806. else
  807. tmp = 0x4747;
  808. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  809. if (nphy->hang_avoid)
  810. b43_nphy_stay_in_carrier_search(dev, false);
  811. b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
  812. if (loops != 0xFFFF)
  813. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
  814. else
  815. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
  816. b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
  817. seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  818. b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
  819. if (iqmode) {
  820. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  821. b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
  822. } else {
  823. if (dac_test)
  824. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
  825. else
  826. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
  827. }
  828. for (i = 0; i < 100; i++) {
  829. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
  830. i = 0;
  831. break;
  832. }
  833. udelay(10);
  834. }
  835. if (i)
  836. b43err(dev->wl, "run samples timeout\n");
  837. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  838. }
  839. /**************************************************
  840. * RSSI
  841. **************************************************/
  842. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
  843. static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
  844. s8 offset, u8 core, u8 rail,
  845. enum b43_nphy_rssi_type type)
  846. {
  847. u16 tmp;
  848. bool core1or5 = (core == 1) || (core == 5);
  849. bool core2or5 = (core == 2) || (core == 5);
  850. offset = clamp_val(offset, -32, 31);
  851. tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
  852. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
  853. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
  854. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
  855. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
  856. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
  857. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
  858. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
  859. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
  860. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
  861. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
  862. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
  863. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
  864. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
  865. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
  866. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
  867. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
  868. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
  869. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
  870. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
  871. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
  872. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
  873. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
  874. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
  875. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
  876. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
  877. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
  878. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
  879. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
  880. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
  881. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
  882. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
  883. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
  884. if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
  885. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
  886. if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
  887. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
  888. if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
  889. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
  890. if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
  891. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
  892. if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
  893. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
  894. if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
  895. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
  896. if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
  897. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
  898. if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
  899. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
  900. }
  901. static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  902. {
  903. u8 i;
  904. u16 reg, val;
  905. if (code == 0) {
  906. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
  907. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
  908. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
  909. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
  910. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
  911. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
  912. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
  913. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
  914. } else {
  915. for (i = 0; i < 2; i++) {
  916. if ((code == 1 && i == 1) || (code == 2 && !i))
  917. continue;
  918. reg = (i == 0) ?
  919. B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
  920. b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
  921. if (type < 3) {
  922. reg = (i == 0) ?
  923. B43_NPHY_AFECTL_C1 :
  924. B43_NPHY_AFECTL_C2;
  925. b43_phy_maskset(dev, reg, 0xFCFF, 0);
  926. reg = (i == 0) ?
  927. B43_NPHY_RFCTL_LUT_TRSW_UP1 :
  928. B43_NPHY_RFCTL_LUT_TRSW_UP2;
  929. b43_phy_maskset(dev, reg, 0xFFC3, 0);
  930. if (type == 0)
  931. val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
  932. else if (type == 1)
  933. val = 16;
  934. else
  935. val = 32;
  936. b43_phy_set(dev, reg, val);
  937. reg = (i == 0) ?
  938. B43_NPHY_TXF_40CO_B1S0 :
  939. B43_NPHY_TXF_40CO_B32S1;
  940. b43_phy_set(dev, reg, 0x0020);
  941. } else {
  942. if (type == 6)
  943. val = 0x0100;
  944. else if (type == 3)
  945. val = 0x0200;
  946. else
  947. val = 0x0300;
  948. reg = (i == 0) ?
  949. B43_NPHY_AFECTL_C1 :
  950. B43_NPHY_AFECTL_C2;
  951. b43_phy_maskset(dev, reg, 0xFCFF, val);
  952. b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
  953. if (type != 3 && type != 6) {
  954. enum ieee80211_band band =
  955. b43_current_band(dev->wl);
  956. if (b43_nphy_ipa(dev))
  957. val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  958. else
  959. val = 0x11;
  960. reg = (i == 0) ? 0x2000 : 0x3000;
  961. reg |= B2055_PADDRV;
  962. b43_radio_write16(dev, reg, val);
  963. reg = (i == 0) ?
  964. B43_NPHY_AFECTL_OVER1 :
  965. B43_NPHY_AFECTL_OVER;
  966. b43_phy_set(dev, reg, 0x0200);
  967. }
  968. }
  969. }
  970. }
  971. }
  972. static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  973. {
  974. u16 val;
  975. if (type < 3)
  976. val = 0;
  977. else if (type == 6)
  978. val = 1;
  979. else if (type == 3)
  980. val = 2;
  981. else
  982. val = 3;
  983. val = (val << 12) | (val << 14);
  984. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
  985. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
  986. if (type < 3) {
  987. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
  988. (type + 1) << 4);
  989. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
  990. (type + 1) << 4);
  991. }
  992. if (code == 0) {
  993. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
  994. if (type < 3) {
  995. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  996. ~(B43_NPHY_RFCTL_CMD_RXEN |
  997. B43_NPHY_RFCTL_CMD_CORESEL));
  998. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  999. ~(0x1 << 12 |
  1000. 0x1 << 5 |
  1001. 0x1 << 1 |
  1002. 0x1));
  1003. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  1004. ~B43_NPHY_RFCTL_CMD_START);
  1005. udelay(20);
  1006. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1007. }
  1008. } else {
  1009. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
  1010. if (type < 3) {
  1011. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
  1012. ~(B43_NPHY_RFCTL_CMD_RXEN |
  1013. B43_NPHY_RFCTL_CMD_CORESEL),
  1014. (B43_NPHY_RFCTL_CMD_RXEN |
  1015. code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
  1016. b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
  1017. (0x1 << 12 |
  1018. 0x1 << 5 |
  1019. 0x1 << 1 |
  1020. 0x1));
  1021. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1022. B43_NPHY_RFCTL_CMD_START);
  1023. udelay(20);
  1024. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
  1025. }
  1026. }
  1027. }
  1028. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
  1029. static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1030. {
  1031. if (dev->phy.rev >= 3)
  1032. b43_nphy_rev3_rssi_select(dev, code, type);
  1033. else
  1034. b43_nphy_rev2_rssi_select(dev, code, type);
  1035. }
  1036. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
  1037. static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
  1038. {
  1039. int i;
  1040. for (i = 0; i < 2; i++) {
  1041. if (type == 2) {
  1042. if (i == 0) {
  1043. b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
  1044. 0xFC, buf[0]);
  1045. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1046. 0xFC, buf[1]);
  1047. } else {
  1048. b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
  1049. 0xFC, buf[2 * i]);
  1050. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1051. 0xFC, buf[2 * i + 1]);
  1052. }
  1053. } else {
  1054. if (i == 0)
  1055. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1056. 0xF3, buf[0] << 2);
  1057. else
  1058. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1059. 0xF3, buf[2 * i + 1] << 2);
  1060. }
  1061. }
  1062. }
  1063. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
  1064. static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
  1065. u8 nsamp)
  1066. {
  1067. int i;
  1068. int out;
  1069. u16 save_regs_phy[9];
  1070. u16 s[2];
  1071. if (dev->phy.rev >= 3) {
  1072. save_regs_phy[0] = b43_phy_read(dev,
  1073. B43_NPHY_RFCTL_LUT_TRSW_UP1);
  1074. save_regs_phy[1] = b43_phy_read(dev,
  1075. B43_NPHY_RFCTL_LUT_TRSW_UP2);
  1076. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1077. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1078. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  1079. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1080. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
  1081. save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
  1082. save_regs_phy[8] = 0;
  1083. } else {
  1084. save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1085. save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1086. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1087. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
  1088. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  1089. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  1090. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  1091. save_regs_phy[7] = 0;
  1092. save_regs_phy[8] = 0;
  1093. }
  1094. b43_nphy_rssi_select(dev, 5, type);
  1095. if (dev->phy.rev < 2) {
  1096. save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
  1097. b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
  1098. }
  1099. for (i = 0; i < 4; i++)
  1100. buf[i] = 0;
  1101. for (i = 0; i < nsamp; i++) {
  1102. if (dev->phy.rev < 2) {
  1103. s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
  1104. s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
  1105. } else {
  1106. s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
  1107. s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
  1108. }
  1109. buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
  1110. buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
  1111. buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
  1112. buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
  1113. }
  1114. out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
  1115. (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
  1116. if (dev->phy.rev < 2)
  1117. b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
  1118. if (dev->phy.rev >= 3) {
  1119. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
  1120. save_regs_phy[0]);
  1121. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1122. save_regs_phy[1]);
  1123. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
  1124. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
  1125. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
  1126. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
  1127. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
  1128. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
  1129. } else {
  1130. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
  1131. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
  1132. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
  1133. b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
  1134. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
  1135. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
  1136. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
  1137. }
  1138. return out;
  1139. }
  1140. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
  1141. static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
  1142. {
  1143. int i, j;
  1144. u8 state[4];
  1145. u8 code, val;
  1146. u16 class, override;
  1147. u8 regs_save_radio[2];
  1148. u16 regs_save_phy[2];
  1149. s8 offset[4];
  1150. u8 core;
  1151. u8 rail;
  1152. u16 clip_state[2];
  1153. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1154. s32 results_min[4] = { };
  1155. u8 vcm_final[4] = { };
  1156. s32 results[4][4] = { };
  1157. s32 miniq[4][2] = { };
  1158. if (type == 2) {
  1159. code = 0;
  1160. val = 6;
  1161. } else if (type < 2) {
  1162. code = 25;
  1163. val = 4;
  1164. } else {
  1165. B43_WARN_ON(1);
  1166. return;
  1167. }
  1168. class = b43_nphy_classifier(dev, 0, 0);
  1169. b43_nphy_classifier(dev, 7, 4);
  1170. b43_nphy_read_clip_detection(dev, clip_state);
  1171. b43_nphy_write_clip_detection(dev, clip_off);
  1172. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1173. override = 0x140;
  1174. else
  1175. override = 0x110;
  1176. regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1177. regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
  1178. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
  1179. b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
  1180. regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1181. regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
  1182. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
  1183. b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
  1184. state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
  1185. state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
  1186. b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
  1187. b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
  1188. state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
  1189. state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
  1190. b43_nphy_rssi_select(dev, 5, type);
  1191. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
  1192. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
  1193. for (i = 0; i < 4; i++) {
  1194. u8 tmp[4];
  1195. for (j = 0; j < 4; j++)
  1196. tmp[j] = i;
  1197. if (type != 1)
  1198. b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
  1199. b43_nphy_poll_rssi(dev, type, results[i], 8);
  1200. if (type < 2)
  1201. for (j = 0; j < 2; j++)
  1202. miniq[i][j] = min(results[i][2 * j],
  1203. results[i][2 * j + 1]);
  1204. }
  1205. for (i = 0; i < 4; i++) {
  1206. s32 mind = 40;
  1207. u8 minvcm = 0;
  1208. s32 minpoll = 249;
  1209. s32 curr;
  1210. for (j = 0; j < 4; j++) {
  1211. if (type == 2)
  1212. curr = abs(results[j][i]);
  1213. else
  1214. curr = abs(miniq[j][i / 2] - code * 8);
  1215. if (curr < mind) {
  1216. mind = curr;
  1217. minvcm = j;
  1218. }
  1219. if (results[j][i] < minpoll)
  1220. minpoll = results[j][i];
  1221. }
  1222. results_min[i] = minpoll;
  1223. vcm_final[i] = minvcm;
  1224. }
  1225. if (type != 1)
  1226. b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
  1227. for (i = 0; i < 4; i++) {
  1228. offset[i] = (code * 8) - results[vcm_final[i]][i];
  1229. if (offset[i] < 0)
  1230. offset[i] = -((abs(offset[i]) + 4) / 8);
  1231. else
  1232. offset[i] = (offset[i] + 4) / 8;
  1233. if (results_min[i] == 248)
  1234. offset[i] = code - 32;
  1235. core = (i / 2) ? 2 : 1;
  1236. rail = (i % 2) ? 1 : 0;
  1237. b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
  1238. type);
  1239. }
  1240. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
  1241. b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
  1242. switch (state[2]) {
  1243. case 1:
  1244. b43_nphy_rssi_select(dev, 1, 2);
  1245. break;
  1246. case 4:
  1247. b43_nphy_rssi_select(dev, 1, 0);
  1248. break;
  1249. case 2:
  1250. b43_nphy_rssi_select(dev, 1, 1);
  1251. break;
  1252. default:
  1253. b43_nphy_rssi_select(dev, 1, 1);
  1254. break;
  1255. }
  1256. switch (state[3]) {
  1257. case 1:
  1258. b43_nphy_rssi_select(dev, 2, 2);
  1259. break;
  1260. case 4:
  1261. b43_nphy_rssi_select(dev, 2, 0);
  1262. break;
  1263. default:
  1264. b43_nphy_rssi_select(dev, 2, 1);
  1265. break;
  1266. }
  1267. b43_nphy_rssi_select(dev, 0, type);
  1268. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
  1269. b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
  1270. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
  1271. b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
  1272. b43_nphy_classifier(dev, 7, class);
  1273. b43_nphy_write_clip_detection(dev, clip_state);
  1274. /* Specs don't say about reset here, but it makes wl and b43 dumps
  1275. identical, it really seems wl performs this */
  1276. b43_nphy_reset_cca(dev);
  1277. }
  1278. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
  1279. static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
  1280. {
  1281. /* TODO */
  1282. }
  1283. /*
  1284. * RSSI Calibration
  1285. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
  1286. */
  1287. static void b43_nphy_rssi_cal(struct b43_wldev *dev)
  1288. {
  1289. if (dev->phy.rev >= 3) {
  1290. b43_nphy_rev3_rssi_cal(dev);
  1291. } else {
  1292. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
  1293. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
  1294. b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
  1295. }
  1296. }
  1297. /**************************************************
  1298. * Workarounds
  1299. **************************************************/
  1300. static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
  1301. {
  1302. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1303. bool ghz5;
  1304. bool ext_lna;
  1305. u16 rssi_gain;
  1306. struct nphy_gain_ctl_workaround_entry *e;
  1307. u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
  1308. u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
  1309. /* Prepare values */
  1310. ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
  1311. & B43_NPHY_BANDCTL_5GHZ;
  1312. ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
  1313. sprom->boardflags_lo & B43_BFL_EXTLNA;
  1314. e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
  1315. if (ghz5 && dev->phy.rev >= 5)
  1316. rssi_gain = 0x90;
  1317. else
  1318. rssi_gain = 0x50;
  1319. b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
  1320. /* Set Clip 2 detect */
  1321. b43_phy_set(dev, B43_NPHY_C1_CGAINI,
  1322. B43_NPHY_C1_CGAINI_CL2DETECT);
  1323. b43_phy_set(dev, B43_NPHY_C2_CGAINI,
  1324. B43_NPHY_C2_CGAINI_CL2DETECT);
  1325. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1326. 0x17);
  1327. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
  1328. 0x17);
  1329. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
  1330. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
  1331. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
  1332. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
  1333. b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
  1334. rssi_gain);
  1335. b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
  1336. rssi_gain);
  1337. b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1338. 0x17);
  1339. b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
  1340. 0x17);
  1341. b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
  1342. b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
  1343. b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
  1344. b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
  1345. b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
  1346. b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
  1347. b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
  1348. b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
  1349. b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
  1350. b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
  1351. b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
  1352. b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
  1353. b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
  1354. b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
  1355. b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
  1356. b43_phy_write(dev, 0x2A7, e->init_gain);
  1357. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
  1358. e->rfseq_init);
  1359. /* TODO: check defines. Do not match variables names */
  1360. b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
  1361. b43_phy_write(dev, 0x2A9, e->cliphi_gain);
  1362. b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
  1363. b43_phy_write(dev, 0x2AB, e->clipmd_gain);
  1364. b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
  1365. b43_phy_write(dev, 0x2AD, e->cliplo_gain);
  1366. b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
  1367. b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
  1368. b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
  1369. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
  1370. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
  1371. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1372. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
  1373. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1374. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
  1375. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1376. }
  1377. static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
  1378. {
  1379. struct b43_phy_n *nphy = dev->phy.n;
  1380. u8 i, j;
  1381. u8 code;
  1382. u16 tmp;
  1383. u8 rfseq_events[3] = { 6, 8, 7 };
  1384. u8 rfseq_delays[3] = { 10, 30, 1 };
  1385. /* Set Clip 2 detect */
  1386. b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
  1387. b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
  1388. /* Set narrowband clip threshold */
  1389. b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
  1390. b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
  1391. if (!dev->phy.is_40mhz) {
  1392. /* Set dwell lengths */
  1393. b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
  1394. b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
  1395. b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
  1396. b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
  1397. }
  1398. /* Set wideband clip 2 threshold */
  1399. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  1400. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
  1401. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  1402. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
  1403. if (!dev->phy.is_40mhz) {
  1404. b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
  1405. ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
  1406. b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
  1407. ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
  1408. b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
  1409. ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
  1410. b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
  1411. ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
  1412. }
  1413. b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  1414. if (nphy->gain_boost) {
  1415. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
  1416. dev->phy.is_40mhz)
  1417. code = 4;
  1418. else
  1419. code = 5;
  1420. } else {
  1421. code = dev->phy.is_40mhz ? 6 : 7;
  1422. }
  1423. /* Set HPVGA2 index */
  1424. b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
  1425. code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
  1426. b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
  1427. code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
  1428. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1429. /* specs say about 2 loops, but wl does 4 */
  1430. for (i = 0; i < 4; i++)
  1431. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
  1432. b43_nphy_adjust_lna_gain_table(dev);
  1433. if (nphy->elna_gain_config) {
  1434. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
  1435. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1436. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1437. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1438. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1439. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
  1440. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  1441. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1442. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1443. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  1444. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  1445. /* specs say about 2 loops, but wl does 4 */
  1446. for (i = 0; i < 4; i++)
  1447. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1448. (code << 8 | 0x74));
  1449. }
  1450. if (dev->phy.rev == 2) {
  1451. for (i = 0; i < 4; i++) {
  1452. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1453. (0x0400 * i) + 0x0020);
  1454. for (j = 0; j < 21; j++) {
  1455. tmp = j * (i < 2 ? 3 : 1);
  1456. b43_phy_write(dev,
  1457. B43_NPHY_TABLE_DATALO, tmp);
  1458. }
  1459. }
  1460. }
  1461. b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
  1462. b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
  1463. ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
  1464. 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
  1465. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  1466. b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
  1467. }
  1468. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
  1469. static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
  1470. {
  1471. if (dev->phy.rev >= 3)
  1472. b43_nphy_gain_ctl_workarounds_rev3plus(dev);
  1473. else
  1474. b43_nphy_gain_ctl_workarounds_rev1_2(dev);
  1475. }
  1476. static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
  1477. {
  1478. struct b43_phy_n *nphy = dev->phy.n;
  1479. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1480. /* TX to RX */
  1481. u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
  1482. u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
  1483. /* RX to TX */
  1484. u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
  1485. 0x1F };
  1486. u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
  1487. u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
  1488. u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
  1489. u16 tmp16;
  1490. u32 tmp32;
  1491. b43_phy_write(dev, 0x23f, 0x1f8);
  1492. b43_phy_write(dev, 0x240, 0x1f8);
  1493. tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
  1494. tmp32 &= 0xffffff;
  1495. b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
  1496. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
  1497. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
  1498. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
  1499. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
  1500. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
  1501. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
  1502. b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
  1503. b43_phy_write(dev, 0x2AE, 0x000C);
  1504. /* TX to RX */
  1505. b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
  1506. ARRAY_SIZE(tx2rx_events));
  1507. /* RX to TX */
  1508. if (b43_nphy_ipa(dev))
  1509. b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
  1510. rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
  1511. if (nphy->hw_phyrxchain != 3 &&
  1512. nphy->hw_phyrxchain != nphy->hw_phytxchain) {
  1513. if (b43_nphy_ipa(dev)) {
  1514. rx2tx_delays[5] = 59;
  1515. rx2tx_delays[6] = 1;
  1516. rx2tx_events[7] = 0x1F;
  1517. }
  1518. b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays,
  1519. ARRAY_SIZE(rx2tx_events));
  1520. }
  1521. tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
  1522. 0x2 : 0x9C40;
  1523. b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
  1524. b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
  1525. b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
  1526. b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
  1527. b43_nphy_gain_ctl_workarounds(dev);
  1528. b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
  1529. b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
  1530. /* TODO */
  1531. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  1532. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
  1533. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  1534. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
  1535. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  1536. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
  1537. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  1538. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
  1539. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  1540. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
  1541. b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  1542. b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
  1543. /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
  1544. if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
  1545. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
  1546. (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
  1547. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
  1548. tmp32 = 0x00088888;
  1549. else
  1550. tmp32 = 0x88888888;
  1551. b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
  1552. b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
  1553. b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
  1554. if (dev->phy.rev == 4 &&
  1555. b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1556. b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
  1557. 0x70);
  1558. b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
  1559. 0x70);
  1560. }
  1561. b43_phy_write(dev, 0x224, 0x03eb);
  1562. b43_phy_write(dev, 0x225, 0x03eb);
  1563. b43_phy_write(dev, 0x226, 0x0341);
  1564. b43_phy_write(dev, 0x227, 0x0341);
  1565. b43_phy_write(dev, 0x228, 0x042b);
  1566. b43_phy_write(dev, 0x229, 0x042b);
  1567. b43_phy_write(dev, 0x22a, 0x0381);
  1568. b43_phy_write(dev, 0x22b, 0x0381);
  1569. b43_phy_write(dev, 0x22c, 0x042b);
  1570. b43_phy_write(dev, 0x22d, 0x042b);
  1571. b43_phy_write(dev, 0x22e, 0x0381);
  1572. b43_phy_write(dev, 0x22f, 0x0381);
  1573. }
  1574. static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
  1575. {
  1576. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1577. struct b43_phy *phy = &dev->phy;
  1578. struct b43_phy_n *nphy = phy->n;
  1579. u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
  1580. u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
  1581. u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
  1582. u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
  1583. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
  1584. nphy->band5g_pwrgain) {
  1585. b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
  1586. b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
  1587. } else {
  1588. b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
  1589. b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
  1590. }
  1591. b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
  1592. b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
  1593. b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
  1594. b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
  1595. if (dev->phy.rev < 2) {
  1596. b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
  1597. b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
  1598. b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
  1599. b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
  1600. b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
  1601. b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
  1602. }
  1603. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  1604. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  1605. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  1606. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  1607. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD &&
  1608. dev->dev->board_type == 0x8B) {
  1609. delays1[0] = 0x1;
  1610. delays1[5] = 0x14;
  1611. }
  1612. b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
  1613. b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
  1614. b43_nphy_gain_ctl_workarounds(dev);
  1615. if (dev->phy.rev < 2) {
  1616. if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
  1617. b43_hf_write(dev, b43_hf_read(dev) |
  1618. B43_HF_MLADVW);
  1619. } else if (dev->phy.rev == 2) {
  1620. b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
  1621. b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
  1622. }
  1623. if (dev->phy.rev < 2)
  1624. b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
  1625. ~B43_NPHY_SCRAM_SIGCTL_SCM);
  1626. /* Set phase track alpha and beta */
  1627. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
  1628. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
  1629. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
  1630. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
  1631. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
  1632. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
  1633. b43_phy_mask(dev, B43_NPHY_PIL_DW1,
  1634. ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
  1635. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
  1636. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
  1637. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
  1638. if (dev->phy.rev == 2)
  1639. b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
  1640. B43_NPHY_FINERX2_CGC_DECGC);
  1641. }
  1642. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
  1643. static void b43_nphy_workarounds(struct b43_wldev *dev)
  1644. {
  1645. struct b43_phy *phy = &dev->phy;
  1646. struct b43_phy_n *nphy = phy->n;
  1647. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1648. b43_nphy_classifier(dev, 1, 0);
  1649. else
  1650. b43_nphy_classifier(dev, 1, 1);
  1651. if (nphy->hang_avoid)
  1652. b43_nphy_stay_in_carrier_search(dev, 1);
  1653. b43_phy_set(dev, B43_NPHY_IQFLIP,
  1654. B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
  1655. if (dev->phy.rev >= 3)
  1656. b43_nphy_workarounds_rev3plus(dev);
  1657. else
  1658. b43_nphy_workarounds_rev1_2(dev);
  1659. if (nphy->hang_avoid)
  1660. b43_nphy_stay_in_carrier_search(dev, 0);
  1661. }
  1662. /**************************************************
  1663. * Tx/Rx common
  1664. **************************************************/
  1665. /*
  1666. * Transmits a known value for LO calibration
  1667. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
  1668. */
  1669. static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
  1670. bool iqmode, bool dac_test)
  1671. {
  1672. u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
  1673. if (samp == 0)
  1674. return -1;
  1675. b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
  1676. return 0;
  1677. }
  1678. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
  1679. static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
  1680. {
  1681. struct b43_phy_n *nphy = dev->phy.n;
  1682. bool override = false;
  1683. u16 chain = 0x33;
  1684. if (nphy->txrx_chain == 0) {
  1685. chain = 0x11;
  1686. override = true;
  1687. } else if (nphy->txrx_chain == 1) {
  1688. chain = 0x22;
  1689. override = true;
  1690. }
  1691. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  1692. ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
  1693. chain);
  1694. if (override)
  1695. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  1696. B43_NPHY_RFSEQMODE_CAOVER);
  1697. else
  1698. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  1699. ~B43_NPHY_RFSEQMODE_CAOVER);
  1700. }
  1701. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
  1702. static void b43_nphy_stop_playback(struct b43_wldev *dev)
  1703. {
  1704. struct b43_phy_n *nphy = dev->phy.n;
  1705. u16 tmp;
  1706. if (nphy->hang_avoid)
  1707. b43_nphy_stay_in_carrier_search(dev, 1);
  1708. tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
  1709. if (tmp & 0x1)
  1710. b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
  1711. else if (tmp & 0x2)
  1712. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  1713. b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
  1714. if (nphy->bb_mult_save & 0x80000000) {
  1715. tmp = nphy->bb_mult_save & 0xFFFF;
  1716. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  1717. nphy->bb_mult_save = 0;
  1718. }
  1719. if (nphy->hang_avoid)
  1720. b43_nphy_stay_in_carrier_search(dev, 0);
  1721. }
  1722. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
  1723. static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
  1724. struct nphy_txgains target,
  1725. struct nphy_iqcal_params *params)
  1726. {
  1727. int i, j, indx;
  1728. u16 gain;
  1729. if (dev->phy.rev >= 3) {
  1730. params->txgm = target.txgm[core];
  1731. params->pga = target.pga[core];
  1732. params->pad = target.pad[core];
  1733. params->ipa = target.ipa[core];
  1734. params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
  1735. (params->pad << 4) | (params->ipa);
  1736. for (j = 0; j < 5; j++)
  1737. params->ncorr[j] = 0x79;
  1738. } else {
  1739. gain = (target.pad[core]) | (target.pga[core] << 4) |
  1740. (target.txgm[core] << 8);
  1741. indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
  1742. 1 : 0;
  1743. for (i = 0; i < 9; i++)
  1744. if (tbl_iqcal_gainparams[indx][i][0] == gain)
  1745. break;
  1746. i = min(i, 8);
  1747. params->txgm = tbl_iqcal_gainparams[indx][i][1];
  1748. params->pga = tbl_iqcal_gainparams[indx][i][2];
  1749. params->pad = tbl_iqcal_gainparams[indx][i][3];
  1750. params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
  1751. (params->pad << 2);
  1752. for (j = 0; j < 4; j++)
  1753. params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
  1754. }
  1755. }
  1756. /**************************************************
  1757. * Tx and Rx
  1758. **************************************************/
  1759. void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
  1760. {//TODO
  1761. }
  1762. static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
  1763. {//TODO
  1764. }
  1765. static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
  1766. bool ignore_tssi)
  1767. {//TODO
  1768. return B43_TXPWR_RES_DONE;
  1769. }
  1770. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
  1771. static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
  1772. {
  1773. struct b43_phy_n *nphy = dev->phy.n;
  1774. u8 i;
  1775. u16 bmask, val, tmp;
  1776. enum ieee80211_band band = b43_current_band(dev->wl);
  1777. if (nphy->hang_avoid)
  1778. b43_nphy_stay_in_carrier_search(dev, 1);
  1779. nphy->txpwrctrl = enable;
  1780. if (!enable) {
  1781. if (dev->phy.rev >= 3 &&
  1782. (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
  1783. (B43_NPHY_TXPCTL_CMD_COEFF |
  1784. B43_NPHY_TXPCTL_CMD_HWPCTLEN |
  1785. B43_NPHY_TXPCTL_CMD_PCTLEN))) {
  1786. /* We disable enabled TX pwr ctl, save it's state */
  1787. nphy->tx_pwr_idx[0] = b43_phy_read(dev,
  1788. B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
  1789. nphy->tx_pwr_idx[1] = b43_phy_read(dev,
  1790. B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
  1791. }
  1792. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
  1793. for (i = 0; i < 84; i++)
  1794. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  1795. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
  1796. for (i = 0; i < 84; i++)
  1797. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
  1798. tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  1799. if (dev->phy.rev >= 3)
  1800. tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  1801. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
  1802. if (dev->phy.rev >= 3) {
  1803. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  1804. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  1805. } else {
  1806. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  1807. }
  1808. if (dev->phy.rev == 2)
  1809. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  1810. ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
  1811. else if (dev->phy.rev < 2)
  1812. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  1813. ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
  1814. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  1815. b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
  1816. } else {
  1817. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
  1818. nphy->adj_pwr_tbl);
  1819. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
  1820. nphy->adj_pwr_tbl);
  1821. bmask = B43_NPHY_TXPCTL_CMD_COEFF |
  1822. B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  1823. /* wl does useless check for "enable" param here */
  1824. val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
  1825. if (dev->phy.rev >= 3) {
  1826. bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  1827. if (val)
  1828. val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
  1829. }
  1830. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
  1831. if (band == IEEE80211_BAND_5GHZ) {
  1832. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  1833. ~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
  1834. if (dev->phy.rev > 1)
  1835. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  1836. ~B43_NPHY_TXPCTL_INIT_PIDXI1,
  1837. 0x64);
  1838. }
  1839. if (dev->phy.rev >= 3) {
  1840. if (nphy->tx_pwr_idx[0] != 128 &&
  1841. nphy->tx_pwr_idx[1] != 128) {
  1842. /* Recover TX pwr ctl state */
  1843. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  1844. ~B43_NPHY_TXPCTL_CMD_INIT,
  1845. nphy->tx_pwr_idx[0]);
  1846. if (dev->phy.rev > 1)
  1847. b43_phy_maskset(dev,
  1848. B43_NPHY_TXPCTL_INIT,
  1849. ~0xff, nphy->tx_pwr_idx[1]);
  1850. }
  1851. }
  1852. if (dev->phy.rev >= 3) {
  1853. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
  1854. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
  1855. } else {
  1856. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
  1857. }
  1858. if (dev->phy.rev == 2)
  1859. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
  1860. else if (dev->phy.rev < 2)
  1861. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
  1862. if (dev->phy.rev < 2 && dev->phy.is_40mhz)
  1863. b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
  1864. if (b43_nphy_ipa(dev)) {
  1865. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
  1866. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
  1867. }
  1868. }
  1869. if (nphy->hang_avoid)
  1870. b43_nphy_stay_in_carrier_search(dev, 0);
  1871. }
  1872. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
  1873. static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
  1874. {
  1875. struct b43_phy_n *nphy = dev->phy.n;
  1876. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  1877. u8 txpi[2], bbmult, i;
  1878. u16 tmp, radio_gain, dac_gain;
  1879. u16 freq = dev->phy.channel_freq;
  1880. u32 txgain;
  1881. /* u32 gaintbl; rev3+ */
  1882. if (nphy->hang_avoid)
  1883. b43_nphy_stay_in_carrier_search(dev, 1);
  1884. if (dev->phy.rev >= 7) {
  1885. txpi[0] = txpi[1] = 30;
  1886. } else if (dev->phy.rev >= 3) {
  1887. txpi[0] = 40;
  1888. txpi[1] = 40;
  1889. } else if (sprom->revision < 4) {
  1890. txpi[0] = 72;
  1891. txpi[1] = 72;
  1892. } else {
  1893. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1894. txpi[0] = sprom->txpid2g[0];
  1895. txpi[1] = sprom->txpid2g[1];
  1896. } else if (freq >= 4900 && freq < 5100) {
  1897. txpi[0] = sprom->txpid5gl[0];
  1898. txpi[1] = sprom->txpid5gl[1];
  1899. } else if (freq >= 5100 && freq < 5500) {
  1900. txpi[0] = sprom->txpid5g[0];
  1901. txpi[1] = sprom->txpid5g[1];
  1902. } else if (freq >= 5500) {
  1903. txpi[0] = sprom->txpid5gh[0];
  1904. txpi[1] = sprom->txpid5gh[1];
  1905. } else {
  1906. txpi[0] = 91;
  1907. txpi[1] = 91;
  1908. }
  1909. }
  1910. if (dev->phy.rev < 7 &&
  1911. (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
  1912. txpi[0] = txpi[1] = 91;
  1913. /*
  1914. for (i = 0; i < 2; i++) {
  1915. nphy->txpwrindex[i].index_internal = txpi[i];
  1916. nphy->txpwrindex[i].index_internal_save = txpi[i];
  1917. }
  1918. */
  1919. for (i = 0; i < 2; i++) {
  1920. txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);
  1921. if (dev->phy.rev >= 3)
  1922. radio_gain = (txgain >> 16) & 0x1FFFF;
  1923. else
  1924. radio_gain = (txgain >> 16) & 0x1FFF;
  1925. if (dev->phy.rev >= 7)
  1926. dac_gain = (txgain >> 8) & 0x7;
  1927. else
  1928. dac_gain = (txgain >> 8) & 0x3F;
  1929. bbmult = txgain & 0xFF;
  1930. if (dev->phy.rev >= 3) {
  1931. if (i == 0)
  1932. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
  1933. else
  1934. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
  1935. } else {
  1936. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
  1937. }
  1938. if (i == 0)
  1939. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
  1940. else
  1941. b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
  1942. b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
  1943. tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
  1944. if (i == 0)
  1945. tmp = (tmp & 0x00FF) | (bbmult << 8);
  1946. else
  1947. tmp = (tmp & 0xFF00) | bbmult;
  1948. b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
  1949. if (b43_nphy_ipa(dev)) {
  1950. u32 tmp32;
  1951. u16 reg = (i == 0) ?
  1952. B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
  1953. tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
  1954. 576 + txpi[i]));
  1955. b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
  1956. b43_phy_set(dev, reg, 0x4);
  1957. }
  1958. }
  1959. b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
  1960. if (nphy->hang_avoid)
  1961. b43_nphy_stay_in_carrier_search(dev, 0);
  1962. }
  1963. static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
  1964. {
  1965. struct b43_phy *phy = &dev->phy;
  1966. u8 core;
  1967. u16 r; /* routing */
  1968. if (phy->rev >= 7) {
  1969. for (core = 0; core < 2; core++) {
  1970. r = core ? 0x190 : 0x170;
  1971. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1972. b43_radio_write(dev, r + 0x5, 0x5);
  1973. b43_radio_write(dev, r + 0x9, 0xE);
  1974. if (phy->rev != 5)
  1975. b43_radio_write(dev, r + 0xA, 0);
  1976. if (phy->rev != 7)
  1977. b43_radio_write(dev, r + 0xB, 1);
  1978. else
  1979. b43_radio_write(dev, r + 0xB, 0x31);
  1980. } else {
  1981. b43_radio_write(dev, r + 0x5, 0x9);
  1982. b43_radio_write(dev, r + 0x9, 0xC);
  1983. b43_radio_write(dev, r + 0xB, 0x0);
  1984. if (phy->rev != 5)
  1985. b43_radio_write(dev, r + 0xA, 1);
  1986. else
  1987. b43_radio_write(dev, r + 0xA, 0x31);
  1988. }
  1989. b43_radio_write(dev, r + 0x6, 0);
  1990. b43_radio_write(dev, r + 0x7, 0);
  1991. b43_radio_write(dev, r + 0x8, 3);
  1992. b43_radio_write(dev, r + 0xC, 0);
  1993. }
  1994. } else {
  1995. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  1996. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
  1997. else
  1998. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
  1999. b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
  2000. b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
  2001. for (core = 0; core < 2; core++) {
  2002. r = core ? B2056_TX1 : B2056_TX0;
  2003. b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
  2004. b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
  2005. b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
  2006. b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
  2007. b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
  2008. b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
  2009. b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
  2010. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2011. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2012. 0x5);
  2013. if (phy->rev != 5)
  2014. b43_radio_write(dev, r | B2056_TX_TSSIA,
  2015. 0x00);
  2016. if (phy->rev >= 5)
  2017. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2018. 0x31);
  2019. else
  2020. b43_radio_write(dev, r | B2056_TX_TSSIG,
  2021. 0x11);
  2022. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2023. 0xE);
  2024. } else {
  2025. b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
  2026. 0x9);
  2027. b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
  2028. b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
  2029. b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
  2030. 0xC);
  2031. }
  2032. }
  2033. }
  2034. }
  2035. /*
  2036. * Stop radio and transmit known signal. Then check received signal strength to
  2037. * get TSSI (Transmit Signal Strength Indicator).
  2038. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
  2039. */
  2040. static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
  2041. {
  2042. struct b43_phy *phy = &dev->phy;
  2043. struct b43_phy_n *nphy = dev->phy.n;
  2044. u32 tmp;
  2045. s32 rssi[4] = { };
  2046. /* TODO: check if we can transmit */
  2047. if (b43_nphy_ipa(dev))
  2048. b43_nphy_ipa_internal_tssi_setup(dev);
  2049. if (phy->rev >= 7)
  2050. ; /* TODO: Override Rev7 with 0x2000, 0, 3, 0, 0 as arguments */
  2051. else if (phy->rev >= 3)
  2052. b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);
  2053. b43_nphy_stop_playback(dev);
  2054. b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
  2055. udelay(20);
  2056. tmp = b43_nphy_poll_rssi(dev, 4, rssi, 1);
  2057. b43_nphy_stop_playback(dev);
  2058. b43_nphy_rssi_select(dev, 0, 0);
  2059. if (phy->rev >= 7)
  2060. ; /* TODO: Override Rev7 with 0x2000, 0, 3, 1, 0 as arguments */
  2061. else if (phy->rev >= 3)
  2062. b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);
  2063. if (phy->rev >= 3) {
  2064. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
  2065. nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
  2066. } else {
  2067. nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
  2068. nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
  2069. }
  2070. nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
  2071. nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
  2072. }
  2073. /* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
  2074. static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
  2075. {
  2076. struct b43_phy_n *nphy = dev->phy.n;
  2077. u8 idx, delta;
  2078. u8 i, stf_mode;
  2079. for (i = 0; i < 4; i++)
  2080. nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];
  2081. for (stf_mode = 0; stf_mode < 4; stf_mode++) {
  2082. delta = 0;
  2083. switch (stf_mode) {
  2084. case 0:
  2085. if (dev->phy.is_40mhz && dev->phy.rev >= 5) {
  2086. idx = 68;
  2087. } else {
  2088. delta = 1;
  2089. idx = dev->phy.is_40mhz ? 52 : 4;
  2090. }
  2091. break;
  2092. case 1:
  2093. idx = dev->phy.is_40mhz ? 76 : 28;
  2094. break;
  2095. case 2:
  2096. idx = dev->phy.is_40mhz ? 84 : 36;
  2097. break;
  2098. case 3:
  2099. idx = dev->phy.is_40mhz ? 92 : 44;
  2100. break;
  2101. }
  2102. for (i = 0; i < 20; i++) {
  2103. nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
  2104. nphy->tx_power_offset[idx];
  2105. if (i == 0)
  2106. idx += delta;
  2107. if (i == 14)
  2108. idx += 1 - delta;
  2109. if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
  2110. i == 13)
  2111. idx += 1;
  2112. }
  2113. }
  2114. }
  2115. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
  2116. static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
  2117. {
  2118. struct b43_phy_n *nphy = dev->phy.n;
  2119. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  2120. s16 a1[2], b0[2], b1[2];
  2121. u8 idle[2];
  2122. s8 target[2];
  2123. s32 num, den, pwr;
  2124. u32 regval[64];
  2125. u16 freq = dev->phy.channel_freq;
  2126. u16 tmp;
  2127. u16 r; /* routing */
  2128. u8 i, c;
  2129. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  2130. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  2131. b43_read32(dev, B43_MMIO_MACCTL);
  2132. udelay(1);
  2133. }
  2134. if (nphy->hang_avoid)
  2135. b43_nphy_stay_in_carrier_search(dev, true);
  2136. b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
  2137. if (dev->phy.rev >= 3)
  2138. b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
  2139. ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
  2140. else
  2141. b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
  2142. B43_NPHY_TXPCTL_CMD_PCTLEN);
  2143. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  2144. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  2145. if (sprom->revision < 4) {
  2146. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
  2147. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
  2148. target[0] = target[1] = 52;
  2149. a1[0] = a1[1] = -424;
  2150. b0[0] = b0[1] = 5612;
  2151. b1[0] = b1[1] = -1393;
  2152. } else {
  2153. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2154. for (c = 0; c < 2; c++) {
  2155. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
  2156. target[c] = sprom->core_pwr_info[c].maxpwr_2g;
  2157. a1[c] = sprom->core_pwr_info[c].pa_2g[0];
  2158. b0[c] = sprom->core_pwr_info[c].pa_2g[1];
  2159. b1[c] = sprom->core_pwr_info[c].pa_2g[2];
  2160. }
  2161. } else if (freq >= 4900 && freq < 5100) {
  2162. for (c = 0; c < 2; c++) {
  2163. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2164. target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
  2165. a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
  2166. b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
  2167. b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
  2168. }
  2169. } else if (freq >= 5100 && freq < 5500) {
  2170. for (c = 0; c < 2; c++) {
  2171. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2172. target[c] = sprom->core_pwr_info[c].maxpwr_5g;
  2173. a1[c] = sprom->core_pwr_info[c].pa_5g[0];
  2174. b0[c] = sprom->core_pwr_info[c].pa_5g[1];
  2175. b1[c] = sprom->core_pwr_info[c].pa_5g[2];
  2176. }
  2177. } else if (freq >= 5500) {
  2178. for (c = 0; c < 2; c++) {
  2179. idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
  2180. target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
  2181. a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
  2182. b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
  2183. b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
  2184. }
  2185. } else {
  2186. idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
  2187. idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
  2188. target[0] = target[1] = 52;
  2189. a1[0] = a1[1] = -424;
  2190. b0[0] = b0[1] = 5612;
  2191. b1[0] = b1[1] = -1393;
  2192. }
  2193. }
  2194. /* target[0] = target[1] = nphy->tx_power_max; */
  2195. if (dev->phy.rev >= 3) {
  2196. if (sprom->fem.ghz2.tssipos)
  2197. b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
  2198. if (dev->phy.rev >= 7) {
  2199. for (c = 0; c < 2; c++) {
  2200. r = c ? 0x190 : 0x170;
  2201. if (b43_nphy_ipa(dev))
  2202. b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC);
  2203. }
  2204. } else {
  2205. if (b43_nphy_ipa(dev)) {
  2206. tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  2207. b43_radio_write(dev,
  2208. B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
  2209. b43_radio_write(dev,
  2210. B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
  2211. } else {
  2212. b43_radio_write(dev,
  2213. B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
  2214. b43_radio_write(dev,
  2215. B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
  2216. }
  2217. }
  2218. }
  2219. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
  2220. b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
  2221. b43_read32(dev, B43_MMIO_MACCTL);
  2222. udelay(1);
  2223. }
  2224. if (dev->phy.rev >= 7) {
  2225. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2226. ~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
  2227. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2228. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
  2229. } else {
  2230. b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
  2231. ~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
  2232. if (dev->phy.rev > 1)
  2233. b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
  2234. ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
  2235. }
  2236. if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
  2237. b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
  2238. b43_phy_write(dev, B43_NPHY_TXPCTL_N,
  2239. 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
  2240. 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
  2241. b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
  2242. idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
  2243. idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
  2244. B43_NPHY_TXPCTL_ITSSI_BINF);
  2245. b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
  2246. target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
  2247. target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);
  2248. for (c = 0; c < 2; c++) {
  2249. for (i = 0; i < 64; i++) {
  2250. num = 8 * (16 * b0[c] + b1[c] * i);
  2251. den = 32768 + a1[c] * i;
  2252. pwr = max((4 * num + den / 2) / den, -8);
  2253. if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
  2254. pwr = max(pwr, target[c] + 1);
  2255. regval[i] = pwr;
  2256. }
  2257. b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
  2258. }
  2259. b43_nphy_tx_prepare_adjusted_power_table(dev);
  2260. /*
  2261. b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
  2262. b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
  2263. */
  2264. if (nphy->hang_avoid)
  2265. b43_nphy_stay_in_carrier_search(dev, false);
  2266. }
  2267. static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
  2268. {
  2269. struct b43_phy *phy = &dev->phy;
  2270. const u32 *table = NULL;
  2271. #if 0
  2272. TODO: b43_ntab_papd_pga_gain_delta_ipa_2*
  2273. u32 rfpwr_offset;
  2274. u8 pga_gain;
  2275. int i;
  2276. #endif
  2277. table = b43_nphy_get_tx_gain_table(dev);
  2278. b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
  2279. b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
  2280. if (phy->rev >= 3) {
  2281. #if 0
  2282. nphy->gmval = (table[0] >> 16) & 0x7000;
  2283. for (i = 0; i < 128; i++) {
  2284. pga_gain = (table[i] >> 24) & 0xF;
  2285. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2286. rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
  2287. else
  2288. rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_5g[pga_gain];
  2289. b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
  2290. rfpwr_offset);
  2291. b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
  2292. rfpwr_offset);
  2293. }
  2294. #endif
  2295. }
  2296. }
  2297. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
  2298. static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
  2299. {
  2300. struct b43_phy_n *nphy = dev->phy.n;
  2301. enum ieee80211_band band;
  2302. u16 tmp;
  2303. if (!enable) {
  2304. nphy->rfctrl_intc1_save = b43_phy_read(dev,
  2305. B43_NPHY_RFCTL_INTC1);
  2306. nphy->rfctrl_intc2_save = b43_phy_read(dev,
  2307. B43_NPHY_RFCTL_INTC2);
  2308. band = b43_current_band(dev->wl);
  2309. if (dev->phy.rev >= 3) {
  2310. if (band == IEEE80211_BAND_5GHZ)
  2311. tmp = 0x600;
  2312. else
  2313. tmp = 0x480;
  2314. } else {
  2315. if (band == IEEE80211_BAND_5GHZ)
  2316. tmp = 0x180;
  2317. else
  2318. tmp = 0x120;
  2319. }
  2320. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  2321. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  2322. } else {
  2323. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
  2324. nphy->rfctrl_intc1_save);
  2325. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
  2326. nphy->rfctrl_intc2_save);
  2327. }
  2328. }
  2329. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
  2330. static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
  2331. {
  2332. u16 tmp;
  2333. if (dev->phy.rev >= 3) {
  2334. if (b43_nphy_ipa(dev)) {
  2335. tmp = 4;
  2336. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
  2337. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  2338. }
  2339. tmp = 1;
  2340. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
  2341. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  2342. }
  2343. }
  2344. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
  2345. static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
  2346. u16 samps, u8 time, bool wait)
  2347. {
  2348. int i;
  2349. u16 tmp;
  2350. b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
  2351. b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
  2352. if (wait)
  2353. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
  2354. else
  2355. b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
  2356. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
  2357. for (i = 1000; i; i--) {
  2358. tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
  2359. if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
  2360. est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
  2361. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
  2362. est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
  2363. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
  2364. est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
  2365. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
  2366. est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
  2367. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
  2368. est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
  2369. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
  2370. est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
  2371. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
  2372. return;
  2373. }
  2374. udelay(10);
  2375. }
  2376. memset(est, 0, sizeof(*est));
  2377. }
  2378. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
  2379. static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
  2380. struct b43_phy_n_iq_comp *pcomp)
  2381. {
  2382. if (write) {
  2383. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
  2384. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
  2385. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
  2386. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
  2387. } else {
  2388. pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
  2389. pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
  2390. pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
  2391. pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
  2392. }
  2393. }
  2394. #if 0
  2395. /* Ready but not used anywhere */
  2396. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
  2397. static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
  2398. {
  2399. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2400. b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
  2401. if (core == 0) {
  2402. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
  2403. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  2404. } else {
  2405. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  2406. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  2407. }
  2408. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
  2409. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
  2410. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
  2411. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
  2412. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
  2413. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
  2414. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  2415. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  2416. }
  2417. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
  2418. static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
  2419. {
  2420. u8 rxval, txval;
  2421. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2422. regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  2423. if (core == 0) {
  2424. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  2425. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  2426. } else {
  2427. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  2428. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2429. }
  2430. regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2431. regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2432. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  2433. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  2434. regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
  2435. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  2436. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  2437. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  2438. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  2439. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  2440. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  2441. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  2442. ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  2443. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  2444. ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
  2445. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  2446. (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
  2447. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
  2448. (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
  2449. if (core == 0) {
  2450. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
  2451. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
  2452. } else {
  2453. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
  2454. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
  2455. }
  2456. b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
  2457. b43_nphy_rf_control_override(dev, 8, 0, 3, false);
  2458. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  2459. if (core == 0) {
  2460. rxval = 1;
  2461. txval = 8;
  2462. } else {
  2463. rxval = 4;
  2464. txval = 2;
  2465. }
  2466. b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
  2467. b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
  2468. }
  2469. #endif
  2470. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
  2471. static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
  2472. {
  2473. int i;
  2474. s32 iq;
  2475. u32 ii;
  2476. u32 qq;
  2477. int iq_nbits, qq_nbits;
  2478. int arsh, brsh;
  2479. u16 tmp, a, b;
  2480. struct nphy_iq_est est;
  2481. struct b43_phy_n_iq_comp old;
  2482. struct b43_phy_n_iq_comp new = { };
  2483. bool error = false;
  2484. if (mask == 0)
  2485. return;
  2486. b43_nphy_rx_iq_coeffs(dev, false, &old);
  2487. b43_nphy_rx_iq_coeffs(dev, true, &new);
  2488. b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
  2489. new = old;
  2490. for (i = 0; i < 2; i++) {
  2491. if (i == 0 && (mask & 1)) {
  2492. iq = est.iq0_prod;
  2493. ii = est.i0_pwr;
  2494. qq = est.q0_pwr;
  2495. } else if (i == 1 && (mask & 2)) {
  2496. iq = est.iq1_prod;
  2497. ii = est.i1_pwr;
  2498. qq = est.q1_pwr;
  2499. } else {
  2500. continue;
  2501. }
  2502. if (ii + qq < 2) {
  2503. error = true;
  2504. break;
  2505. }
  2506. iq_nbits = fls(abs(iq));
  2507. qq_nbits = fls(qq);
  2508. arsh = iq_nbits - 20;
  2509. if (arsh >= 0) {
  2510. a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
  2511. tmp = ii >> arsh;
  2512. } else {
  2513. a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
  2514. tmp = ii << -arsh;
  2515. }
  2516. if (tmp == 0) {
  2517. error = true;
  2518. break;
  2519. }
  2520. a /= tmp;
  2521. brsh = qq_nbits - 11;
  2522. if (brsh >= 0) {
  2523. b = (qq << (31 - qq_nbits));
  2524. tmp = ii >> brsh;
  2525. } else {
  2526. b = (qq << (31 - qq_nbits));
  2527. tmp = ii << -brsh;
  2528. }
  2529. if (tmp == 0) {
  2530. error = true;
  2531. break;
  2532. }
  2533. b = int_sqrt(b / tmp - a * a) - (1 << 10);
  2534. if (i == 0 && (mask & 0x1)) {
  2535. if (dev->phy.rev >= 3) {
  2536. new.a0 = a & 0x3FF;
  2537. new.b0 = b & 0x3FF;
  2538. } else {
  2539. new.a0 = b & 0x3FF;
  2540. new.b0 = a & 0x3FF;
  2541. }
  2542. } else if (i == 1 && (mask & 0x2)) {
  2543. if (dev->phy.rev >= 3) {
  2544. new.a1 = a & 0x3FF;
  2545. new.b1 = b & 0x3FF;
  2546. } else {
  2547. new.a1 = b & 0x3FF;
  2548. new.b1 = a & 0x3FF;
  2549. }
  2550. }
  2551. }
  2552. if (error)
  2553. new = old;
  2554. b43_nphy_rx_iq_coeffs(dev, true, &new);
  2555. }
  2556. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
  2557. static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
  2558. {
  2559. u16 array[4];
  2560. b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
  2561. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
  2562. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
  2563. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
  2564. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
  2565. }
  2566. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
  2567. static void b43_nphy_spur_workaround(struct b43_wldev *dev)
  2568. {
  2569. struct b43_phy_n *nphy = dev->phy.n;
  2570. u8 channel = dev->phy.channel;
  2571. int tone[2] = { 57, 58 };
  2572. u32 noise[2] = { 0x3FF, 0x3FF };
  2573. B43_WARN_ON(dev->phy.rev < 3);
  2574. if (nphy->hang_avoid)
  2575. b43_nphy_stay_in_carrier_search(dev, 1);
  2576. if (nphy->gband_spurwar_en) {
  2577. /* TODO: N PHY Adjust Analog Pfbw (7) */
  2578. if (channel == 11 && dev->phy.is_40mhz)
  2579. ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
  2580. else
  2581. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  2582. /* TODO: N PHY Adjust CRS Min Power (0x1E) */
  2583. }
  2584. if (nphy->aband_spurwar_en) {
  2585. if (channel == 54) {
  2586. tone[0] = 0x20;
  2587. noise[0] = 0x25F;
  2588. } else if (channel == 38 || channel == 102 || channel == 118) {
  2589. if (0 /* FIXME */) {
  2590. tone[0] = 0x20;
  2591. noise[0] = 0x21F;
  2592. } else {
  2593. tone[0] = 0;
  2594. noise[0] = 0;
  2595. }
  2596. } else if (channel == 134) {
  2597. tone[0] = 0x20;
  2598. noise[0] = 0x21F;
  2599. } else if (channel == 151) {
  2600. tone[0] = 0x10;
  2601. noise[0] = 0x23F;
  2602. } else if (channel == 153 || channel == 161) {
  2603. tone[0] = 0x30;
  2604. noise[0] = 0x23F;
  2605. } else {
  2606. tone[0] = 0;
  2607. noise[0] = 0;
  2608. }
  2609. if (!tone[0] && !noise[0])
  2610. ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
  2611. else
  2612. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  2613. }
  2614. if (nphy->hang_avoid)
  2615. b43_nphy_stay_in_carrier_search(dev, 0);
  2616. }
  2617. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
  2618. static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
  2619. {
  2620. struct b43_phy_n *nphy = dev->phy.n;
  2621. int i, j;
  2622. u32 tmp;
  2623. u32 cur_real, cur_imag, real_part, imag_part;
  2624. u16 buffer[7];
  2625. if (nphy->hang_avoid)
  2626. b43_nphy_stay_in_carrier_search(dev, true);
  2627. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  2628. for (i = 0; i < 2; i++) {
  2629. tmp = ((buffer[i * 2] & 0x3FF) << 10) |
  2630. (buffer[i * 2 + 1] & 0x3FF);
  2631. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  2632. (((i + 26) << 10) | 320));
  2633. for (j = 0; j < 128; j++) {
  2634. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  2635. ((tmp >> 16) & 0xFFFF));
  2636. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  2637. (tmp & 0xFFFF));
  2638. }
  2639. }
  2640. for (i = 0; i < 2; i++) {
  2641. tmp = buffer[5 + i];
  2642. real_part = (tmp >> 8) & 0xFF;
  2643. imag_part = (tmp & 0xFF);
  2644. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  2645. (((i + 26) << 10) | 448));
  2646. if (dev->phy.rev >= 3) {
  2647. cur_real = real_part;
  2648. cur_imag = imag_part;
  2649. tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
  2650. }
  2651. for (j = 0; j < 128; j++) {
  2652. if (dev->phy.rev < 3) {
  2653. cur_real = (real_part * loscale[j] + 128) >> 8;
  2654. cur_imag = (imag_part * loscale[j] + 128) >> 8;
  2655. tmp = ((cur_real & 0xFF) << 8) |
  2656. (cur_imag & 0xFF);
  2657. }
  2658. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  2659. ((tmp >> 16) & 0xFFFF));
  2660. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  2661. (tmp & 0xFFFF));
  2662. }
  2663. }
  2664. if (dev->phy.rev >= 3) {
  2665. b43_shm_write16(dev, B43_SHM_SHARED,
  2666. B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
  2667. b43_shm_write16(dev, B43_SHM_SHARED,
  2668. B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
  2669. }
  2670. if (nphy->hang_avoid)
  2671. b43_nphy_stay_in_carrier_search(dev, false);
  2672. }
  2673. /*
  2674. * Restore RSSI Calibration
  2675. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
  2676. */
  2677. static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
  2678. {
  2679. struct b43_phy_n *nphy = dev->phy.n;
  2680. u16 *rssical_radio_regs = NULL;
  2681. u16 *rssical_phy_regs = NULL;
  2682. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2683. if (!nphy->rssical_chanspec_2G.center_freq)
  2684. return;
  2685. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  2686. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  2687. } else {
  2688. if (!nphy->rssical_chanspec_5G.center_freq)
  2689. return;
  2690. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  2691. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  2692. }
  2693. /* TODO use some definitions */
  2694. b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
  2695. b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
  2696. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
  2697. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
  2698. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
  2699. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
  2700. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
  2701. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
  2702. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
  2703. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
  2704. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
  2705. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
  2706. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
  2707. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
  2708. }
  2709. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
  2710. static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
  2711. {
  2712. struct b43_phy_n *nphy = dev->phy.n;
  2713. u16 *save = nphy->tx_rx_cal_radio_saveregs;
  2714. u16 tmp;
  2715. u8 offset, i;
  2716. if (dev->phy.rev >= 3) {
  2717. for (i = 0; i < 2; i++) {
  2718. tmp = (i == 0) ? 0x2000 : 0x3000;
  2719. offset = i * 11;
  2720. save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
  2721. save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
  2722. save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
  2723. save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
  2724. save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
  2725. save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
  2726. save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
  2727. save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
  2728. save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
  2729. save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
  2730. save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
  2731. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2732. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
  2733. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  2734. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  2735. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  2736. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  2737. if (nphy->ipa5g_on) {
  2738. b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
  2739. b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
  2740. } else {
  2741. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  2742. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
  2743. }
  2744. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  2745. } else {
  2746. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
  2747. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  2748. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  2749. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  2750. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  2751. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
  2752. if (nphy->ipa2g_on) {
  2753. b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
  2754. b43_radio_write16(dev, tmp | B2055_XOCTL2,
  2755. (dev->phy.rev < 5) ? 0x11 : 0x01);
  2756. } else {
  2757. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  2758. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  2759. }
  2760. }
  2761. b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
  2762. b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
  2763. b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
  2764. }
  2765. } else {
  2766. save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
  2767. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
  2768. save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
  2769. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
  2770. save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
  2771. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
  2772. save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
  2773. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
  2774. save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
  2775. save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
  2776. if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
  2777. B43_NPHY_BANDCTL_5GHZ)) {
  2778. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
  2779. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
  2780. } else {
  2781. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
  2782. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
  2783. }
  2784. if (dev->phy.rev < 2) {
  2785. b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
  2786. b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
  2787. } else {
  2788. b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
  2789. b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
  2790. }
  2791. }
  2792. }
  2793. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
  2794. static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
  2795. {
  2796. struct b43_phy_n *nphy = dev->phy.n;
  2797. int i;
  2798. u16 scale, entry;
  2799. u16 tmp = nphy->txcal_bbmult;
  2800. if (core == 0)
  2801. tmp >>= 8;
  2802. tmp &= 0xff;
  2803. for (i = 0; i < 18; i++) {
  2804. scale = (ladder_lo[i].percent * tmp) / 100;
  2805. entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
  2806. b43_ntab_write(dev, B43_NTAB16(15, i), entry);
  2807. scale = (ladder_iq[i].percent * tmp) / 100;
  2808. entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
  2809. b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
  2810. }
  2811. }
  2812. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
  2813. static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
  2814. {
  2815. int i;
  2816. for (i = 0; i < 15; i++)
  2817. b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
  2818. tbl_tx_filter_coef_rev4[2][i]);
  2819. }
  2820. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
  2821. static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
  2822. {
  2823. int i, j;
  2824. /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
  2825. static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
  2826. for (i = 0; i < 3; i++)
  2827. for (j = 0; j < 15; j++)
  2828. b43_phy_write(dev, B43_PHY_N(offset[i] + j),
  2829. tbl_tx_filter_coef_rev4[i][j]);
  2830. if (dev->phy.is_40mhz) {
  2831. for (j = 0; j < 15; j++)
  2832. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2833. tbl_tx_filter_coef_rev4[3][j]);
  2834. } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2835. for (j = 0; j < 15; j++)
  2836. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2837. tbl_tx_filter_coef_rev4[5][j]);
  2838. }
  2839. if (dev->phy.channel == 14)
  2840. for (j = 0; j < 15; j++)
  2841. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2842. tbl_tx_filter_coef_rev4[6][j]);
  2843. }
  2844. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
  2845. static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
  2846. {
  2847. struct b43_phy_n *nphy = dev->phy.n;
  2848. u16 curr_gain[2];
  2849. struct nphy_txgains target;
  2850. const u32 *table = NULL;
  2851. if (!nphy->txpwrctrl) {
  2852. int i;
  2853. if (nphy->hang_avoid)
  2854. b43_nphy_stay_in_carrier_search(dev, true);
  2855. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
  2856. if (nphy->hang_avoid)
  2857. b43_nphy_stay_in_carrier_search(dev, false);
  2858. for (i = 0; i < 2; ++i) {
  2859. if (dev->phy.rev >= 3) {
  2860. target.ipa[i] = curr_gain[i] & 0x000F;
  2861. target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
  2862. target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
  2863. target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
  2864. } else {
  2865. target.ipa[i] = curr_gain[i] & 0x0003;
  2866. target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
  2867. target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
  2868. target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
  2869. }
  2870. }
  2871. } else {
  2872. int i;
  2873. u16 index[2];
  2874. index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
  2875. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2876. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2877. index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
  2878. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2879. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2880. for (i = 0; i < 2; ++i) {
  2881. table = b43_nphy_get_tx_gain_table(dev);
  2882. if (dev->phy.rev >= 3) {
  2883. target.ipa[i] = (table[index[i]] >> 16) & 0xF;
  2884. target.pad[i] = (table[index[i]] >> 20) & 0xF;
  2885. target.pga[i] = (table[index[i]] >> 24) & 0xF;
  2886. target.txgm[i] = (table[index[i]] >> 28) & 0xF;
  2887. } else {
  2888. target.ipa[i] = (table[index[i]] >> 16) & 0x3;
  2889. target.pad[i] = (table[index[i]] >> 18) & 0x3;
  2890. target.pga[i] = (table[index[i]] >> 20) & 0x7;
  2891. target.txgm[i] = (table[index[i]] >> 23) & 0x7;
  2892. }
  2893. }
  2894. }
  2895. return target;
  2896. }
  2897. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
  2898. static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
  2899. {
  2900. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2901. if (dev->phy.rev >= 3) {
  2902. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
  2903. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  2904. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  2905. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
  2906. b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
  2907. b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
  2908. b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
  2909. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
  2910. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
  2911. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  2912. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  2913. b43_nphy_reset_cca(dev);
  2914. } else {
  2915. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
  2916. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
  2917. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  2918. b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
  2919. b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
  2920. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
  2921. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
  2922. }
  2923. }
  2924. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
  2925. static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
  2926. {
  2927. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2928. u16 tmp;
  2929. regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  2930. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  2931. if (dev->phy.rev >= 3) {
  2932. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
  2933. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
  2934. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  2935. regs[2] = tmp;
  2936. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
  2937. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2938. regs[3] = tmp;
  2939. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
  2940. regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
  2941. b43_phy_mask(dev, B43_NPHY_BBCFG,
  2942. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  2943. tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
  2944. regs[5] = tmp;
  2945. b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
  2946. tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
  2947. regs[6] = tmp;
  2948. b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
  2949. regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2950. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2951. b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
  2952. b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
  2953. b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
  2954. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  2955. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  2956. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  2957. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  2958. } else {
  2959. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
  2960. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
  2961. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2962. regs[2] = tmp;
  2963. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
  2964. tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
  2965. regs[3] = tmp;
  2966. tmp |= 0x2000;
  2967. b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
  2968. tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
  2969. regs[4] = tmp;
  2970. tmp |= 0x2000;
  2971. b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
  2972. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2973. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2974. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  2975. tmp = 0x0180;
  2976. else
  2977. tmp = 0x0120;
  2978. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  2979. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  2980. }
  2981. }
  2982. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
  2983. static void b43_nphy_save_cal(struct b43_wldev *dev)
  2984. {
  2985. struct b43_phy_n *nphy = dev->phy.n;
  2986. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  2987. u16 *txcal_radio_regs = NULL;
  2988. struct b43_chanspec *iqcal_chanspec;
  2989. u16 *table = NULL;
  2990. if (nphy->hang_avoid)
  2991. b43_nphy_stay_in_carrier_search(dev, 1);
  2992. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2993. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  2994. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  2995. iqcal_chanspec = &nphy->iqcal_chanspec_2G;
  2996. table = nphy->cal_cache.txcal_coeffs_2G;
  2997. } else {
  2998. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  2999. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  3000. iqcal_chanspec = &nphy->iqcal_chanspec_5G;
  3001. table = nphy->cal_cache.txcal_coeffs_5G;
  3002. }
  3003. b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
  3004. /* TODO use some definitions */
  3005. if (dev->phy.rev >= 3) {
  3006. txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
  3007. txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
  3008. txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
  3009. txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
  3010. txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
  3011. txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
  3012. txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
  3013. txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
  3014. } else {
  3015. txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
  3016. txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
  3017. txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
  3018. txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
  3019. }
  3020. iqcal_chanspec->center_freq = dev->phy.channel_freq;
  3021. iqcal_chanspec->channel_type = dev->phy.channel_type;
  3022. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
  3023. if (nphy->hang_avoid)
  3024. b43_nphy_stay_in_carrier_search(dev, 0);
  3025. }
  3026. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
  3027. static void b43_nphy_restore_cal(struct b43_wldev *dev)
  3028. {
  3029. struct b43_phy_n *nphy = dev->phy.n;
  3030. u16 coef[4];
  3031. u16 *loft = NULL;
  3032. u16 *table = NULL;
  3033. int i;
  3034. u16 *txcal_radio_regs = NULL;
  3035. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  3036. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3037. if (!nphy->iqcal_chanspec_2G.center_freq)
  3038. return;
  3039. table = nphy->cal_cache.txcal_coeffs_2G;
  3040. loft = &nphy->cal_cache.txcal_coeffs_2G[5];
  3041. } else {
  3042. if (!nphy->iqcal_chanspec_5G.center_freq)
  3043. return;
  3044. table = nphy->cal_cache.txcal_coeffs_5G;
  3045. loft = &nphy->cal_cache.txcal_coeffs_5G[5];
  3046. }
  3047. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
  3048. for (i = 0; i < 4; i++) {
  3049. if (dev->phy.rev >= 3)
  3050. table[i] = coef[i];
  3051. else
  3052. coef[i] = 0;
  3053. }
  3054. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
  3055. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
  3056. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
  3057. if (dev->phy.rev < 2)
  3058. b43_nphy_tx_iq_workaround(dev);
  3059. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3060. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  3061. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  3062. } else {
  3063. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  3064. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  3065. }
  3066. /* TODO use some definitions */
  3067. if (dev->phy.rev >= 3) {
  3068. b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
  3069. b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
  3070. b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
  3071. b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
  3072. b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
  3073. b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
  3074. b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
  3075. b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
  3076. } else {
  3077. b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
  3078. b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
  3079. b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
  3080. b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
  3081. }
  3082. b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
  3083. }
  3084. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
  3085. static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
  3086. struct nphy_txgains target,
  3087. bool full, bool mphase)
  3088. {
  3089. struct b43_phy_n *nphy = dev->phy.n;
  3090. int i;
  3091. int error = 0;
  3092. int freq;
  3093. bool avoid = false;
  3094. u8 length;
  3095. u16 tmp, core, type, count, max, numb, last = 0, cmd;
  3096. const u16 *table;
  3097. bool phy6or5x;
  3098. u16 buffer[11];
  3099. u16 diq_start = 0;
  3100. u16 save[2];
  3101. u16 gain[2];
  3102. struct nphy_iqcal_params params[2];
  3103. bool updated[2] = { };
  3104. b43_nphy_stay_in_carrier_search(dev, true);
  3105. if (dev->phy.rev >= 4) {
  3106. avoid = nphy->hang_avoid;
  3107. nphy->hang_avoid = false;
  3108. }
  3109. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  3110. for (i = 0; i < 2; i++) {
  3111. b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
  3112. gain[i] = params[i].cal_gain;
  3113. }
  3114. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
  3115. b43_nphy_tx_cal_radio_setup(dev);
  3116. b43_nphy_tx_cal_phy_setup(dev);
  3117. phy6or5x = dev->phy.rev >= 6 ||
  3118. (dev->phy.rev == 5 && nphy->ipa2g_on &&
  3119. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
  3120. if (phy6or5x) {
  3121. if (dev->phy.is_40mhz) {
  3122. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  3123. tbl_tx_iqlo_cal_loft_ladder_40);
  3124. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  3125. tbl_tx_iqlo_cal_iqimb_ladder_40);
  3126. } else {
  3127. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  3128. tbl_tx_iqlo_cal_loft_ladder_20);
  3129. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  3130. tbl_tx_iqlo_cal_iqimb_ladder_20);
  3131. }
  3132. }
  3133. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
  3134. if (!dev->phy.is_40mhz)
  3135. freq = 2500;
  3136. else
  3137. freq = 5000;
  3138. if (nphy->mphase_cal_phase_id > 2)
  3139. b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
  3140. 0xFFFF, 0, true, false);
  3141. else
  3142. error = b43_nphy_tx_tone(dev, freq, 250, true, false);
  3143. if (error == 0) {
  3144. if (nphy->mphase_cal_phase_id > 2) {
  3145. table = nphy->mphase_txcal_bestcoeffs;
  3146. length = 11;
  3147. if (dev->phy.rev < 3)
  3148. length -= 2;
  3149. } else {
  3150. if (!full && nphy->txiqlocal_coeffsvalid) {
  3151. table = nphy->txiqlocal_bestc;
  3152. length = 11;
  3153. if (dev->phy.rev < 3)
  3154. length -= 2;
  3155. } else {
  3156. full = true;
  3157. if (dev->phy.rev >= 3) {
  3158. table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
  3159. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
  3160. } else {
  3161. table = tbl_tx_iqlo_cal_startcoefs;
  3162. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
  3163. }
  3164. }
  3165. }
  3166. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
  3167. if (full) {
  3168. if (dev->phy.rev >= 3)
  3169. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
  3170. else
  3171. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
  3172. } else {
  3173. if (dev->phy.rev >= 3)
  3174. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
  3175. else
  3176. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
  3177. }
  3178. if (mphase) {
  3179. count = nphy->mphase_txcal_cmdidx;
  3180. numb = min(max,
  3181. (u16)(count + nphy->mphase_txcal_numcmds));
  3182. } else {
  3183. count = 0;
  3184. numb = max;
  3185. }
  3186. for (; count < numb; count++) {
  3187. if (full) {
  3188. if (dev->phy.rev >= 3)
  3189. cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
  3190. else
  3191. cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
  3192. } else {
  3193. if (dev->phy.rev >= 3)
  3194. cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
  3195. else
  3196. cmd = tbl_tx_iqlo_cal_cmds_recal[count];
  3197. }
  3198. core = (cmd & 0x3000) >> 12;
  3199. type = (cmd & 0x0F00) >> 8;
  3200. if (phy6or5x && updated[core] == 0) {
  3201. b43_nphy_update_tx_cal_ladder(dev, core);
  3202. updated[core] = true;
  3203. }
  3204. tmp = (params[core].ncorr[type] << 8) | 0x66;
  3205. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
  3206. if (type == 1 || type == 3 || type == 4) {
  3207. buffer[0] = b43_ntab_read(dev,
  3208. B43_NTAB16(15, 69 + core));
  3209. diq_start = buffer[0];
  3210. buffer[0] = 0;
  3211. b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
  3212. 0);
  3213. }
  3214. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
  3215. for (i = 0; i < 2000; i++) {
  3216. tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
  3217. if (tmp & 0xC000)
  3218. break;
  3219. udelay(10);
  3220. }
  3221. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3222. buffer);
  3223. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
  3224. buffer);
  3225. if (type == 1 || type == 3 || type == 4)
  3226. buffer[0] = diq_start;
  3227. }
  3228. if (mphase)
  3229. nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
  3230. last = (dev->phy.rev < 3) ? 6 : 7;
  3231. if (!mphase || nphy->mphase_cal_phase_id == last) {
  3232. b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
  3233. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
  3234. if (dev->phy.rev < 3) {
  3235. buffer[0] = 0;
  3236. buffer[1] = 0;
  3237. buffer[2] = 0;
  3238. buffer[3] = 0;
  3239. }
  3240. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  3241. buffer);
  3242. b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
  3243. buffer);
  3244. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  3245. buffer);
  3246. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  3247. buffer);
  3248. length = 11;
  3249. if (dev->phy.rev < 3)
  3250. length -= 2;
  3251. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3252. nphy->txiqlocal_bestc);
  3253. nphy->txiqlocal_coeffsvalid = true;
  3254. nphy->txiqlocal_chanspec.center_freq =
  3255. dev->phy.channel_freq;
  3256. nphy->txiqlocal_chanspec.channel_type =
  3257. dev->phy.channel_type;
  3258. } else {
  3259. length = 11;
  3260. if (dev->phy.rev < 3)
  3261. length -= 2;
  3262. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  3263. nphy->mphase_txcal_bestcoeffs);
  3264. }
  3265. b43_nphy_stop_playback(dev);
  3266. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
  3267. }
  3268. b43_nphy_tx_cal_phy_cleanup(dev);
  3269. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  3270. if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
  3271. b43_nphy_tx_iq_workaround(dev);
  3272. if (dev->phy.rev >= 4)
  3273. nphy->hang_avoid = avoid;
  3274. b43_nphy_stay_in_carrier_search(dev, false);
  3275. return error;
  3276. }
  3277. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
  3278. static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
  3279. {
  3280. struct b43_phy_n *nphy = dev->phy.n;
  3281. u8 i;
  3282. u16 buffer[7];
  3283. bool equal = true;
  3284. if (!nphy->txiqlocal_coeffsvalid ||
  3285. nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
  3286. nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
  3287. return;
  3288. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  3289. for (i = 0; i < 4; i++) {
  3290. if (buffer[i] != nphy->txiqlocal_bestc[i]) {
  3291. equal = false;
  3292. break;
  3293. }
  3294. }
  3295. if (!equal) {
  3296. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
  3297. nphy->txiqlocal_bestc);
  3298. for (i = 0; i < 4; i++)
  3299. buffer[i] = 0;
  3300. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  3301. buffer);
  3302. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  3303. &nphy->txiqlocal_bestc[5]);
  3304. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  3305. &nphy->txiqlocal_bestc[5]);
  3306. }
  3307. }
  3308. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
  3309. static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
  3310. struct nphy_txgains target, u8 type, bool debug)
  3311. {
  3312. struct b43_phy_n *nphy = dev->phy.n;
  3313. int i, j, index;
  3314. u8 rfctl[2];
  3315. u8 afectl_core;
  3316. u16 tmp[6];
  3317. u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
  3318. u32 real, imag;
  3319. enum ieee80211_band band;
  3320. u8 use;
  3321. u16 cur_hpf;
  3322. u16 lna[3] = { 3, 3, 1 };
  3323. u16 hpf1[3] = { 7, 2, 0 };
  3324. u16 hpf2[3] = { 2, 0, 0 };
  3325. u32 power[3] = { };
  3326. u16 gain_save[2];
  3327. u16 cal_gain[2];
  3328. struct nphy_iqcal_params cal_params[2];
  3329. struct nphy_iq_est est;
  3330. int ret = 0;
  3331. bool playtone = true;
  3332. int desired = 13;
  3333. b43_nphy_stay_in_carrier_search(dev, 1);
  3334. if (dev->phy.rev < 2)
  3335. b43_nphy_reapply_tx_cal_coeffs(dev);
  3336. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  3337. for (i = 0; i < 2; i++) {
  3338. b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
  3339. cal_gain[i] = cal_params[i].cal_gain;
  3340. }
  3341. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
  3342. for (i = 0; i < 2; i++) {
  3343. if (i == 0) {
  3344. rfctl[0] = B43_NPHY_RFCTL_INTC1;
  3345. rfctl[1] = B43_NPHY_RFCTL_INTC2;
  3346. afectl_core = B43_NPHY_AFECTL_C1;
  3347. } else {
  3348. rfctl[0] = B43_NPHY_RFCTL_INTC2;
  3349. rfctl[1] = B43_NPHY_RFCTL_INTC1;
  3350. afectl_core = B43_NPHY_AFECTL_C2;
  3351. }
  3352. tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  3353. tmp[2] = b43_phy_read(dev, afectl_core);
  3354. tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  3355. tmp[4] = b43_phy_read(dev, rfctl[0]);
  3356. tmp[5] = b43_phy_read(dev, rfctl[1]);
  3357. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  3358. ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
  3359. ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  3360. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  3361. (1 - i));
  3362. b43_phy_set(dev, afectl_core, 0x0006);
  3363. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
  3364. band = b43_current_band(dev->wl);
  3365. if (nphy->rxcalparams & 0xFF000000) {
  3366. if (band == IEEE80211_BAND_5GHZ)
  3367. b43_phy_write(dev, rfctl[0], 0x140);
  3368. else
  3369. b43_phy_write(dev, rfctl[0], 0x110);
  3370. } else {
  3371. if (band == IEEE80211_BAND_5GHZ)
  3372. b43_phy_write(dev, rfctl[0], 0x180);
  3373. else
  3374. b43_phy_write(dev, rfctl[0], 0x120);
  3375. }
  3376. if (band == IEEE80211_BAND_5GHZ)
  3377. b43_phy_write(dev, rfctl[1], 0x148);
  3378. else
  3379. b43_phy_write(dev, rfctl[1], 0x114);
  3380. if (nphy->rxcalparams & 0x10000) {
  3381. b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
  3382. (i + 1));
  3383. b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
  3384. (2 - i));
  3385. }
  3386. for (j = 0; j < 4; j++) {
  3387. if (j < 3) {
  3388. cur_lna = lna[j];
  3389. cur_hpf1 = hpf1[j];
  3390. cur_hpf2 = hpf2[j];
  3391. } else {
  3392. if (power[1] > 10000) {
  3393. use = 1;
  3394. cur_hpf = cur_hpf1;
  3395. index = 2;
  3396. } else {
  3397. if (power[0] > 10000) {
  3398. use = 1;
  3399. cur_hpf = cur_hpf1;
  3400. index = 1;
  3401. } else {
  3402. index = 0;
  3403. use = 2;
  3404. cur_hpf = cur_hpf2;
  3405. }
  3406. }
  3407. cur_lna = lna[index];
  3408. cur_hpf1 = hpf1[index];
  3409. cur_hpf2 = hpf2[index];
  3410. cur_hpf += desired - hweight32(power[index]);
  3411. cur_hpf = clamp_val(cur_hpf, 0, 10);
  3412. if (use == 1)
  3413. cur_hpf1 = cur_hpf;
  3414. else
  3415. cur_hpf2 = cur_hpf;
  3416. }
  3417. tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
  3418. (cur_lna << 2));
  3419. b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
  3420. false);
  3421. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3422. b43_nphy_stop_playback(dev);
  3423. if (playtone) {
  3424. ret = b43_nphy_tx_tone(dev, 4000,
  3425. (nphy->rxcalparams & 0xFFFF),
  3426. false, false);
  3427. playtone = false;
  3428. } else {
  3429. b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
  3430. false, false);
  3431. }
  3432. if (ret == 0) {
  3433. if (j < 3) {
  3434. b43_nphy_rx_iq_est(dev, &est, 1024, 32,
  3435. false);
  3436. if (i == 0) {
  3437. real = est.i0_pwr;
  3438. imag = est.q0_pwr;
  3439. } else {
  3440. real = est.i1_pwr;
  3441. imag = est.q1_pwr;
  3442. }
  3443. power[i] = ((real + imag) / 1024) + 1;
  3444. } else {
  3445. b43_nphy_calc_rx_iq_comp(dev, 1 << i);
  3446. }
  3447. b43_nphy_stop_playback(dev);
  3448. }
  3449. if (ret != 0)
  3450. break;
  3451. }
  3452. b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
  3453. b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
  3454. b43_phy_write(dev, rfctl[1], tmp[5]);
  3455. b43_phy_write(dev, rfctl[0], tmp[4]);
  3456. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
  3457. b43_phy_write(dev, afectl_core, tmp[2]);
  3458. b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
  3459. if (ret != 0)
  3460. break;
  3461. }
  3462. b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
  3463. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3464. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  3465. b43_nphy_stay_in_carrier_search(dev, 0);
  3466. return ret;
  3467. }
  3468. static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
  3469. struct nphy_txgains target, u8 type, bool debug)
  3470. {
  3471. return -1;
  3472. }
  3473. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
  3474. static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
  3475. struct nphy_txgains target, u8 type, bool debug)
  3476. {
  3477. if (dev->phy.rev >= 3)
  3478. return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
  3479. else
  3480. return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
  3481. }
  3482. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
  3483. static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
  3484. {
  3485. struct b43_phy *phy = &dev->phy;
  3486. struct b43_phy_n *nphy = phy->n;
  3487. /* u16 buf[16]; it's rev3+ */
  3488. nphy->phyrxchain = mask;
  3489. if (0 /* FIXME clk */)
  3490. return;
  3491. b43_mac_suspend(dev);
  3492. if (nphy->hang_avoid)
  3493. b43_nphy_stay_in_carrier_search(dev, true);
  3494. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  3495. (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
  3496. if ((mask & 0x3) != 0x3) {
  3497. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
  3498. if (dev->phy.rev >= 3) {
  3499. /* TODO */
  3500. }
  3501. } else {
  3502. b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
  3503. if (dev->phy.rev >= 3) {
  3504. /* TODO */
  3505. }
  3506. }
  3507. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3508. if (nphy->hang_avoid)
  3509. b43_nphy_stay_in_carrier_search(dev, false);
  3510. b43_mac_enable(dev);
  3511. }
  3512. /**************************************************
  3513. * N-PHY init
  3514. **************************************************/
  3515. /*
  3516. * Upload the N-PHY tables.
  3517. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
  3518. */
  3519. static void b43_nphy_tables_init(struct b43_wldev *dev)
  3520. {
  3521. if (dev->phy.rev < 3)
  3522. b43_nphy_rev0_1_2_tables_init(dev);
  3523. else
  3524. b43_nphy_rev3plus_tables_init(dev);
  3525. }
  3526. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
  3527. static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
  3528. {
  3529. u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
  3530. mimocfg |= B43_NPHY_MIMOCFG_AUTO;
  3531. if (preamble == 1)
  3532. mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
  3533. else
  3534. mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
  3535. b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
  3536. }
  3537. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
  3538. static void b43_nphy_bphy_init(struct b43_wldev *dev)
  3539. {
  3540. unsigned int i;
  3541. u16 val;
  3542. val = 0x1E1F;
  3543. for (i = 0; i < 16; i++) {
  3544. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  3545. val -= 0x202;
  3546. }
  3547. val = 0x3E3F;
  3548. for (i = 0; i < 16; i++) {
  3549. b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
  3550. val -= 0x202;
  3551. }
  3552. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  3553. }
  3554. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
  3555. static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
  3556. {
  3557. if (dev->phy.rev >= 3) {
  3558. if (!init)
  3559. return;
  3560. if (0 /* FIXME */) {
  3561. b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
  3562. b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
  3563. b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
  3564. b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
  3565. }
  3566. } else {
  3567. b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
  3568. b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
  3569. switch (dev->dev->bus_type) {
  3570. #ifdef CONFIG_B43_BCMA
  3571. case B43_BUS_BCMA:
  3572. bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
  3573. 0xFC00, 0xFC00);
  3574. break;
  3575. #endif
  3576. #ifdef CONFIG_B43_SSB
  3577. case B43_BUS_SSB:
  3578. ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
  3579. 0xFC00, 0xFC00);
  3580. break;
  3581. #endif
  3582. }
  3583. b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
  3584. b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
  3585. b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
  3586. 0);
  3587. if (init) {
  3588. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  3589. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  3590. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  3591. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  3592. }
  3593. }
  3594. }
  3595. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
  3596. int b43_phy_initn(struct b43_wldev *dev)
  3597. {
  3598. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  3599. struct b43_phy *phy = &dev->phy;
  3600. struct b43_phy_n *nphy = phy->n;
  3601. u8 tx_pwr_state;
  3602. struct nphy_txgains target;
  3603. u16 tmp;
  3604. enum ieee80211_band tmp2;
  3605. bool do_rssi_cal;
  3606. u16 clip[2];
  3607. bool do_cal = false;
  3608. if ((dev->phy.rev >= 3) &&
  3609. (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
  3610. (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
  3611. switch (dev->dev->bus_type) {
  3612. #ifdef CONFIG_B43_BCMA
  3613. case B43_BUS_BCMA:
  3614. bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
  3615. BCMA_CC_CHIPCTL, 0x40);
  3616. break;
  3617. #endif
  3618. #ifdef CONFIG_B43_SSB
  3619. case B43_BUS_SSB:
  3620. chipco_set32(&dev->dev->sdev->bus->chipco,
  3621. SSB_CHIPCO_CHIPCTL, 0x40);
  3622. break;
  3623. #endif
  3624. }
  3625. }
  3626. nphy->deaf_count = 0;
  3627. b43_nphy_tables_init(dev);
  3628. nphy->crsminpwr_adjusted = false;
  3629. nphy->noisevars_adjusted = false;
  3630. /* Clear all overrides */
  3631. if (dev->phy.rev >= 3) {
  3632. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
  3633. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  3634. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
  3635. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
  3636. } else {
  3637. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  3638. }
  3639. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
  3640. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
  3641. if (dev->phy.rev < 6) {
  3642. b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
  3643. b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
  3644. }
  3645. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  3646. ~(B43_NPHY_RFSEQMODE_CAOVER |
  3647. B43_NPHY_RFSEQMODE_TROVER));
  3648. if (dev->phy.rev >= 3)
  3649. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
  3650. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
  3651. if (dev->phy.rev <= 2) {
  3652. tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
  3653. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  3654. ~B43_NPHY_BPHY_CTL3_SCALE,
  3655. tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
  3656. }
  3657. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
  3658. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
  3659. if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
  3660. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  3661. dev->dev->board_type == 0x8B))
  3662. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
  3663. else
  3664. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
  3665. b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
  3666. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
  3667. b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
  3668. b43_nphy_update_mimo_config(dev, nphy->preamble_override);
  3669. b43_nphy_update_txrx_chain(dev);
  3670. if (phy->rev < 2) {
  3671. b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
  3672. b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
  3673. }
  3674. tmp2 = b43_current_band(dev->wl);
  3675. if (b43_nphy_ipa(dev)) {
  3676. b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
  3677. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
  3678. nphy->papd_epsilon_offset[0] << 7);
  3679. b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
  3680. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
  3681. nphy->papd_epsilon_offset[1] << 7);
  3682. b43_nphy_int_pa_set_tx_dig_filters(dev);
  3683. } else if (phy->rev >= 5) {
  3684. b43_nphy_ext_pa_set_tx_dig_filters(dev);
  3685. }
  3686. b43_nphy_workarounds(dev);
  3687. /* Reset CCA, in init code it differs a little from standard way */
  3688. b43_phy_force_clock(dev, 1);
  3689. tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
  3690. b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
  3691. b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
  3692. b43_phy_force_clock(dev, 0);
  3693. b43_mac_phy_clock_set(dev, true);
  3694. b43_nphy_pa_override(dev, false);
  3695. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  3696. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  3697. b43_nphy_pa_override(dev, true);
  3698. b43_nphy_classifier(dev, 0, 0);
  3699. b43_nphy_read_clip_detection(dev, clip);
  3700. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3701. b43_nphy_bphy_init(dev);
  3702. tx_pwr_state = nphy->txpwrctrl;
  3703. b43_nphy_tx_power_ctrl(dev, false);
  3704. b43_nphy_tx_power_fix(dev);
  3705. b43_nphy_tx_power_ctl_idle_tssi(dev);
  3706. b43_nphy_tx_power_ctl_setup(dev);
  3707. b43_nphy_tx_gain_table_upload(dev);
  3708. if (nphy->phyrxchain != 3)
  3709. b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
  3710. if (nphy->mphase_cal_phase_id > 0)
  3711. ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
  3712. do_rssi_cal = false;
  3713. if (phy->rev >= 3) {
  3714. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3715. do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
  3716. else
  3717. do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
  3718. if (do_rssi_cal)
  3719. b43_nphy_rssi_cal(dev);
  3720. else
  3721. b43_nphy_restore_rssi_cal(dev);
  3722. } else {
  3723. b43_nphy_rssi_cal(dev);
  3724. }
  3725. if (!((nphy->measure_hold & 0x6) != 0)) {
  3726. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3727. do_cal = !nphy->iqcal_chanspec_2G.center_freq;
  3728. else
  3729. do_cal = !nphy->iqcal_chanspec_5G.center_freq;
  3730. if (nphy->mute)
  3731. do_cal = false;
  3732. if (do_cal) {
  3733. target = b43_nphy_get_tx_gains(dev);
  3734. if (nphy->antsel_type == 2)
  3735. b43_nphy_superswitch_init(dev, true);
  3736. if (nphy->perical != 2) {
  3737. b43_nphy_rssi_cal(dev);
  3738. if (phy->rev >= 3) {
  3739. nphy->cal_orig_pwr_idx[0] =
  3740. nphy->txpwrindex[0].index_internal;
  3741. nphy->cal_orig_pwr_idx[1] =
  3742. nphy->txpwrindex[1].index_internal;
  3743. /* TODO N PHY Pre Calibrate TX Gain */
  3744. target = b43_nphy_get_tx_gains(dev);
  3745. }
  3746. if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
  3747. if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
  3748. b43_nphy_save_cal(dev);
  3749. } else if (nphy->mphase_cal_phase_id == 0)
  3750. ;/* N PHY Periodic Calibration with arg 3 */
  3751. } else {
  3752. b43_nphy_restore_cal(dev);
  3753. }
  3754. }
  3755. b43_nphy_tx_pwr_ctrl_coef_setup(dev);
  3756. b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
  3757. b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
  3758. b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
  3759. if (phy->rev >= 3 && phy->rev <= 6)
  3760. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
  3761. b43_nphy_tx_lp_fbw(dev);
  3762. if (phy->rev >= 3)
  3763. b43_nphy_spur_workaround(dev);
  3764. return 0;
  3765. }
  3766. /**************************************************
  3767. * Channel switching ops.
  3768. **************************************************/
  3769. static void b43_chantab_phy_upload(struct b43_wldev *dev,
  3770. const struct b43_phy_n_sfo_cfg *e)
  3771. {
  3772. b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
  3773. b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
  3774. b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
  3775. b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
  3776. b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
  3777. b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
  3778. }
  3779. /* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
  3780. static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
  3781. {
  3782. struct bcma_drv_cc __maybe_unused *cc;
  3783. u32 __maybe_unused pmu_ctl;
  3784. switch (dev->dev->bus_type) {
  3785. #ifdef CONFIG_B43_BCMA
  3786. case B43_BUS_BCMA:
  3787. cc = &dev->dev->bdev->bus->drv_cc;
  3788. if (dev->dev->chip_id == 43224 || dev->dev->chip_id == 43225) {
  3789. if (avoid) {
  3790. bcma_chipco_pll_write(cc, 0x0, 0x11500010);
  3791. bcma_chipco_pll_write(cc, 0x1, 0x000C0C06);
  3792. bcma_chipco_pll_write(cc, 0x2, 0x0F600a08);
  3793. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3794. bcma_chipco_pll_write(cc, 0x4, 0x2001E920);
  3795. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3796. } else {
  3797. bcma_chipco_pll_write(cc, 0x0, 0x11100010);
  3798. bcma_chipco_pll_write(cc, 0x1, 0x000c0c06);
  3799. bcma_chipco_pll_write(cc, 0x2, 0x03000a08);
  3800. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3801. bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
  3802. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3803. }
  3804. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
  3805. } else if (dev->dev->chip_id == 0x4716) {
  3806. if (avoid) {
  3807. bcma_chipco_pll_write(cc, 0x0, 0x11500060);
  3808. bcma_chipco_pll_write(cc, 0x1, 0x080C0C06);
  3809. bcma_chipco_pll_write(cc, 0x2, 0x0F600000);
  3810. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3811. bcma_chipco_pll_write(cc, 0x4, 0x2001E924);
  3812. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3813. } else {
  3814. bcma_chipco_pll_write(cc, 0x0, 0x11100060);
  3815. bcma_chipco_pll_write(cc, 0x1, 0x080c0c06);
  3816. bcma_chipco_pll_write(cc, 0x2, 0x03000000);
  3817. bcma_chipco_pll_write(cc, 0x3, 0x00000000);
  3818. bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
  3819. bcma_chipco_pll_write(cc, 0x5, 0x88888815);
  3820. }
  3821. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD |
  3822. BCMA_CC_PMU_CTL_NOILPONW;
  3823. } else if (dev->dev->chip_id == 0x4322 ||
  3824. dev->dev->chip_id == 0x4340 ||
  3825. dev->dev->chip_id == 0x4341) {
  3826. bcma_chipco_pll_write(cc, 0x0, 0x11100070);
  3827. bcma_chipco_pll_write(cc, 0x1, 0x1014140a);
  3828. bcma_chipco_pll_write(cc, 0x5, 0x88888854);
  3829. if (avoid)
  3830. bcma_chipco_pll_write(cc, 0x2, 0x05201828);
  3831. else
  3832. bcma_chipco_pll_write(cc, 0x2, 0x05001828);
  3833. pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
  3834. } else {
  3835. return;
  3836. }
  3837. bcma_cc_set32(cc, BCMA_CC_PMU_CTL, pmu_ctl);
  3838. break;
  3839. #endif
  3840. #ifdef CONFIG_B43_SSB
  3841. case B43_BUS_SSB:
  3842. /* FIXME */
  3843. break;
  3844. #endif
  3845. }
  3846. }
  3847. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
  3848. static void b43_nphy_channel_setup(struct b43_wldev *dev,
  3849. const struct b43_phy_n_sfo_cfg *e,
  3850. struct ieee80211_channel *new_channel)
  3851. {
  3852. struct b43_phy *phy = &dev->phy;
  3853. struct b43_phy_n *nphy = dev->phy.n;
  3854. int ch = new_channel->hw_value;
  3855. u16 old_band_5ghz;
  3856. u32 tmp32;
  3857. old_band_5ghz =
  3858. b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
  3859. if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
  3860. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  3861. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  3862. b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
  3863. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  3864. b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
  3865. } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
  3866. b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
  3867. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  3868. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  3869. b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
  3870. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  3871. }
  3872. b43_chantab_phy_upload(dev, e);
  3873. if (new_channel->hw_value == 14) {
  3874. b43_nphy_classifier(dev, 2, 0);
  3875. b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
  3876. } else {
  3877. b43_nphy_classifier(dev, 2, 2);
  3878. if (new_channel->band == IEEE80211_BAND_2GHZ)
  3879. b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
  3880. }
  3881. if (!nphy->txpwrctrl)
  3882. b43_nphy_tx_power_fix(dev);
  3883. if (dev->phy.rev < 3)
  3884. b43_nphy_adjust_lna_gain_table(dev);
  3885. b43_nphy_tx_lp_fbw(dev);
  3886. if (dev->phy.rev >= 3 &&
  3887. dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
  3888. bool avoid = false;
  3889. if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
  3890. avoid = true;
  3891. } else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
  3892. if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
  3893. avoid = true;
  3894. } else { /* 40MHz */
  3895. if (nphy->aband_spurwar_en &&
  3896. (ch == 38 || ch == 102 || ch == 118))
  3897. avoid = dev->dev->chip_id == 0x4716;
  3898. }
  3899. b43_nphy_pmu_spur_avoid(dev, avoid);
  3900. if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
  3901. dev->dev->chip_id == 43225) {
  3902. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
  3903. avoid ? 0x5341 : 0x8889);
  3904. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
  3905. }
  3906. if (dev->phy.rev == 3 || dev->phy.rev == 4)
  3907. ; /* TODO: reset PLL */
  3908. if (avoid)
  3909. b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
  3910. else
  3911. b43_phy_mask(dev, B43_NPHY_BBCFG,
  3912. ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
  3913. b43_nphy_reset_cca(dev);
  3914. /* wl sets useless phy_isspuravoid here */
  3915. }
  3916. b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
  3917. if (phy->rev >= 3)
  3918. b43_nphy_spur_workaround(dev);
  3919. }
  3920. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
  3921. static int b43_nphy_set_channel(struct b43_wldev *dev,
  3922. struct ieee80211_channel *channel,
  3923. enum nl80211_channel_type channel_type)
  3924. {
  3925. struct b43_phy *phy = &dev->phy;
  3926. const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
  3927. const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
  3928. u8 tmp;
  3929. if (dev->phy.rev >= 3) {
  3930. tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
  3931. channel->center_freq);
  3932. if (!tabent_r3)
  3933. return -ESRCH;
  3934. } else {
  3935. tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
  3936. channel->hw_value);
  3937. if (!tabent_r2)
  3938. return -ESRCH;
  3939. }
  3940. /* Channel is set later in common code, but we need to set it on our
  3941. own to let this function's subcalls work properly. */
  3942. phy->channel = channel->hw_value;
  3943. phy->channel_freq = channel->center_freq;
  3944. if (b43_channel_type_is_40mhz(phy->channel_type) !=
  3945. b43_channel_type_is_40mhz(channel_type))
  3946. ; /* TODO: BMAC BW Set (channel_type) */
  3947. if (channel_type == NL80211_CHAN_HT40PLUS)
  3948. b43_phy_set(dev, B43_NPHY_RXCTL,
  3949. B43_NPHY_RXCTL_BSELU20);
  3950. else if (channel_type == NL80211_CHAN_HT40MINUS)
  3951. b43_phy_mask(dev, B43_NPHY_RXCTL,
  3952. ~B43_NPHY_RXCTL_BSELU20);
  3953. if (dev->phy.rev >= 3) {
  3954. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
  3955. b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
  3956. b43_radio_2056_setup(dev, tabent_r3);
  3957. b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
  3958. } else {
  3959. tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
  3960. b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
  3961. b43_radio_2055_setup(dev, tabent_r2);
  3962. b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
  3963. }
  3964. return 0;
  3965. }
  3966. /**************************************************
  3967. * Basic PHY ops.
  3968. **************************************************/
  3969. static int b43_nphy_op_allocate(struct b43_wldev *dev)
  3970. {
  3971. struct b43_phy_n *nphy;
  3972. nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
  3973. if (!nphy)
  3974. return -ENOMEM;
  3975. dev->phy.n = nphy;
  3976. return 0;
  3977. }
  3978. static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
  3979. {
  3980. struct b43_phy *phy = &dev->phy;
  3981. struct b43_phy_n *nphy = phy->n;
  3982. struct ssb_sprom *sprom = dev->dev->bus_sprom;
  3983. memset(nphy, 0, sizeof(*nphy));
  3984. nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
  3985. nphy->spur_avoid = (phy->rev >= 3) ?
  3986. B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
  3987. nphy->gain_boost = true; /* this way we follow wl, assume it is true */
  3988. nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
  3989. nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
  3990. nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
  3991. /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
  3992. * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
  3993. nphy->tx_pwr_idx[0] = 128;
  3994. nphy->tx_pwr_idx[1] = 128;
  3995. /* Hardware TX power control and 5GHz power gain */
  3996. nphy->txpwrctrl = false;
  3997. nphy->pwg_gain_5ghz = false;
  3998. if (dev->phy.rev >= 3 ||
  3999. (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
  4000. (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
  4001. nphy->txpwrctrl = true;
  4002. nphy->pwg_gain_5ghz = true;
  4003. } else if (sprom->revision >= 4) {
  4004. if (dev->phy.rev >= 2 &&
  4005. (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
  4006. nphy->txpwrctrl = true;
  4007. #ifdef CONFIG_B43_SSB
  4008. if (dev->dev->bus_type == B43_BUS_SSB &&
  4009. dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
  4010. struct pci_dev *pdev =
  4011. dev->dev->sdev->bus->host_pci;
  4012. if (pdev->device == 0x4328 ||
  4013. pdev->device == 0x432a)
  4014. nphy->pwg_gain_5ghz = true;
  4015. }
  4016. #endif
  4017. } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
  4018. nphy->pwg_gain_5ghz = true;
  4019. }
  4020. }
  4021. if (dev->phy.rev >= 3) {
  4022. nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
  4023. nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
  4024. }
  4025. }
  4026. static void b43_nphy_op_free(struct b43_wldev *dev)
  4027. {
  4028. struct b43_phy *phy = &dev->phy;
  4029. struct b43_phy_n *nphy = phy->n;
  4030. kfree(nphy);
  4031. phy->n = NULL;
  4032. }
  4033. static int b43_nphy_op_init(struct b43_wldev *dev)
  4034. {
  4035. return b43_phy_initn(dev);
  4036. }
  4037. static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
  4038. {
  4039. #if B43_DEBUG
  4040. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  4041. /* OFDM registers are onnly available on A/G-PHYs */
  4042. b43err(dev->wl, "Invalid OFDM PHY access at "
  4043. "0x%04X on N-PHY\n", offset);
  4044. dump_stack();
  4045. }
  4046. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  4047. /* Ext-G registers are only available on G-PHYs */
  4048. b43err(dev->wl, "Invalid EXT-G PHY access at "
  4049. "0x%04X on N-PHY\n", offset);
  4050. dump_stack();
  4051. }
  4052. #endif /* B43_DEBUG */
  4053. }
  4054. static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
  4055. {
  4056. check_phyreg(dev, reg);
  4057. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4058. return b43_read16(dev, B43_MMIO_PHY_DATA);
  4059. }
  4060. static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  4061. {
  4062. check_phyreg(dev, reg);
  4063. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4064. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  4065. }
  4066. static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
  4067. u16 set)
  4068. {
  4069. check_phyreg(dev, reg);
  4070. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  4071. b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
  4072. }
  4073. static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  4074. {
  4075. /* Register 1 is a 32-bit register. */
  4076. B43_WARN_ON(reg == 1);
  4077. /* N-PHY needs 0x100 for read access */
  4078. reg |= 0x100;
  4079. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4080. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  4081. }
  4082. static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  4083. {
  4084. /* Register 1 is a 32-bit register. */
  4085. B43_WARN_ON(reg == 1);
  4086. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  4087. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  4088. }
  4089. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  4090. static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
  4091. bool blocked)
  4092. {
  4093. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  4094. b43err(dev->wl, "MAC not suspended\n");
  4095. if (blocked) {
  4096. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  4097. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  4098. if (dev->phy.rev >= 3) {
  4099. b43_radio_mask(dev, 0x09, ~0x2);
  4100. b43_radio_write(dev, 0x204D, 0);
  4101. b43_radio_write(dev, 0x2053, 0);
  4102. b43_radio_write(dev, 0x2058, 0);
  4103. b43_radio_write(dev, 0x205E, 0);
  4104. b43_radio_mask(dev, 0x2062, ~0xF0);
  4105. b43_radio_write(dev, 0x2064, 0);
  4106. b43_radio_write(dev, 0x304D, 0);
  4107. b43_radio_write(dev, 0x3053, 0);
  4108. b43_radio_write(dev, 0x3058, 0);
  4109. b43_radio_write(dev, 0x305E, 0);
  4110. b43_radio_mask(dev, 0x3062, ~0xF0);
  4111. b43_radio_write(dev, 0x3064, 0);
  4112. }
  4113. } else {
  4114. if (dev->phy.rev >= 3) {
  4115. b43_radio_init2056(dev);
  4116. b43_switch_channel(dev, dev->phy.channel);
  4117. } else {
  4118. b43_radio_init2055(dev);
  4119. }
  4120. }
  4121. }
  4122. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
  4123. static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
  4124. {
  4125. u16 override = on ? 0x0 : 0x7FFF;
  4126. u16 core = on ? 0xD : 0x00FD;
  4127. if (dev->phy.rev >= 3) {
  4128. if (on) {
  4129. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  4130. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  4131. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  4132. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4133. } else {
  4134. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
  4135. b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
  4136. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4137. b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
  4138. }
  4139. } else {
  4140. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
  4141. }
  4142. }
  4143. static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
  4144. unsigned int new_channel)
  4145. {
  4146. struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
  4147. enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
  4148. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  4149. if ((new_channel < 1) || (new_channel > 14))
  4150. return -EINVAL;
  4151. } else {
  4152. if (new_channel > 200)
  4153. return -EINVAL;
  4154. }
  4155. return b43_nphy_set_channel(dev, channel, channel_type);
  4156. }
  4157. static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
  4158. {
  4159. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  4160. return 1;
  4161. return 36;
  4162. }
  4163. const struct b43_phy_operations b43_phyops_n = {
  4164. .allocate = b43_nphy_op_allocate,
  4165. .free = b43_nphy_op_free,
  4166. .prepare_structs = b43_nphy_op_prepare_structs,
  4167. .init = b43_nphy_op_init,
  4168. .phy_read = b43_nphy_op_read,
  4169. .phy_write = b43_nphy_op_write,
  4170. .phy_maskset = b43_nphy_op_maskset,
  4171. .radio_read = b43_nphy_op_radio_read,
  4172. .radio_write = b43_nphy_op_radio_write,
  4173. .software_rfkill = b43_nphy_op_software_rfkill,
  4174. .switch_analog = b43_nphy_op_switch_analog,
  4175. .switch_channel = b43_nphy_op_switch_channel,
  4176. .get_default_chan = b43_nphy_op_get_default_chan,
  4177. .recalc_txpower = b43_nphy_op_recalc_txpower,
  4178. .adjust_txpower = b43_nphy_op_adjust_txpower,
  4179. };