phy_n.c 100 KB

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  1. /*
  2. Broadcom B43 wireless driver
  3. IEEE 802.11n PHY support
  4. Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; see the file COPYING. If not, write to
  15. the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  16. Boston, MA 02110-1301, USA.
  17. */
  18. #include <linux/delay.h>
  19. #include <linux/types.h>
  20. #include "b43.h"
  21. #include "phy_n.h"
  22. #include "tables_nphy.h"
  23. #include "main.h"
  24. struct nphy_txgains {
  25. u16 txgm[2];
  26. u16 pga[2];
  27. u16 pad[2];
  28. u16 ipa[2];
  29. };
  30. struct nphy_iqcal_params {
  31. u16 txgm;
  32. u16 pga;
  33. u16 pad;
  34. u16 ipa;
  35. u16 cal_gain;
  36. u16 ncorr[5];
  37. };
  38. struct nphy_iq_est {
  39. s32 iq0_prod;
  40. u32 i0_pwr;
  41. u32 q0_pwr;
  42. s32 iq1_prod;
  43. u32 i1_pwr;
  44. u32 q1_pwr;
  45. };
  46. enum b43_nphy_rf_sequence {
  47. B43_RFSEQ_RX2TX,
  48. B43_RFSEQ_TX2RX,
  49. B43_RFSEQ_RESET2RX,
  50. B43_RFSEQ_UPDATE_GAINH,
  51. B43_RFSEQ_UPDATE_GAINL,
  52. B43_RFSEQ_UPDATE_GAINU,
  53. };
  54. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  55. u8 *events, u8 *delays, u8 length);
  56. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  57. enum b43_nphy_rf_sequence seq);
  58. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  59. u16 value, u8 core, bool off);
  60. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  61. u16 value, u8 core);
  62. static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel);
  63. static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec)
  64. {
  65. return !chanspec->channel && !chanspec->sideband &&
  66. !chanspec->b_width && !chanspec->b_freq;
  67. }
  68. static inline bool b43_eq_chanspecs(struct b43_chanspec *chanspec1,
  69. struct b43_chanspec *chanspec2)
  70. {
  71. return (chanspec1->channel == chanspec2->channel &&
  72. chanspec1->sideband == chanspec2->sideband &&
  73. chanspec1->b_width == chanspec2->b_width &&
  74. chanspec1->b_freq == chanspec2->b_freq);
  75. }
  76. void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
  77. {//TODO
  78. }
  79. static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
  80. {//TODO
  81. }
  82. static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
  83. bool ignore_tssi)
  84. {//TODO
  85. return B43_TXPWR_RES_DONE;
  86. }
  87. static void b43_chantab_radio_upload(struct b43_wldev *dev,
  88. const struct b43_nphy_channeltab_entry_rev2 *e)
  89. {
  90. b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
  91. b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
  92. b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
  93. b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
  94. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  95. b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
  96. b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
  97. b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
  98. b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
  99. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  100. b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
  101. b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
  102. b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
  103. b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
  104. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  105. b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
  106. b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
  107. b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
  108. b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
  109. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  110. b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
  111. b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
  112. b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
  113. b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
  114. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  115. b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
  116. b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
  117. }
  118. static void b43_chantab_phy_upload(struct b43_wldev *dev,
  119. const struct b43_phy_n_sfo_cfg *e)
  120. {
  121. b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
  122. b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
  123. b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
  124. b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
  125. b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
  126. b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
  127. }
  128. static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
  129. {
  130. //TODO
  131. }
  132. /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
  133. static void b43_radio_2055_setup(struct b43_wldev *dev,
  134. const struct b43_nphy_channeltab_entry_rev2 *e)
  135. {
  136. B43_WARN_ON(dev->phy.rev >= 3);
  137. b43_chantab_radio_upload(dev, e);
  138. udelay(50);
  139. b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
  140. b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
  141. b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
  142. b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
  143. udelay(300);
  144. }
  145. static void b43_radio_init2055_pre(struct b43_wldev *dev)
  146. {
  147. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  148. ~B43_NPHY_RFCTL_CMD_PORFORCE);
  149. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  150. B43_NPHY_RFCTL_CMD_CHIP0PU |
  151. B43_NPHY_RFCTL_CMD_OEPORFORCE);
  152. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  153. B43_NPHY_RFCTL_CMD_PORFORCE);
  154. }
  155. static void b43_radio_init2055_post(struct b43_wldev *dev)
  156. {
  157. struct b43_phy_n *nphy = dev->phy.n;
  158. struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
  159. struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
  160. int i;
  161. u16 val;
  162. bool workaround = false;
  163. if (sprom->revision < 4)
  164. workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM ||
  165. binfo->type != 0x46D ||
  166. binfo->rev < 0x41);
  167. else
  168. workaround = ((sprom->boardflags_hi & B43_BFH_NOPA) == 0);
  169. b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
  170. if (workaround) {
  171. b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
  172. b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
  173. }
  174. b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
  175. b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
  176. b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
  177. b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
  178. b43_radio_set(dev, B2055_CAL_MISC, 0x1);
  179. msleep(1);
  180. b43_radio_set(dev, B2055_CAL_MISC, 0x40);
  181. for (i = 0; i < 200; i++) {
  182. val = b43_radio_read(dev, B2055_CAL_COUT2);
  183. if (val & 0x80) {
  184. i = 0;
  185. break;
  186. }
  187. udelay(10);
  188. }
  189. if (i)
  190. b43err(dev->wl, "radio post init timeout\n");
  191. b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
  192. nphy_channel_switch(dev, dev->phy.channel);
  193. b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
  194. b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
  195. b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
  196. b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
  197. b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
  198. b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
  199. if (!nphy->gain_boost) {
  200. b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
  201. b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
  202. } else {
  203. b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
  204. b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
  205. }
  206. udelay(2);
  207. }
  208. /*
  209. * Initialize a Broadcom 2055 N-radio
  210. * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
  211. */
  212. static void b43_radio_init2055(struct b43_wldev *dev)
  213. {
  214. b43_radio_init2055_pre(dev);
  215. if (b43_status(dev) < B43_STAT_INITIALIZED)
  216. b2055_upload_inittab(dev, 0, 1);
  217. else
  218. b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0);
  219. b43_radio_init2055_post(dev);
  220. }
  221. /*
  222. * Initialize a Broadcom 2056 N-radio
  223. * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
  224. */
  225. static void b43_radio_init2056(struct b43_wldev *dev)
  226. {
  227. /* TODO */
  228. }
  229. /*
  230. * Upload the N-PHY tables.
  231. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
  232. */
  233. static void b43_nphy_tables_init(struct b43_wldev *dev)
  234. {
  235. if (dev->phy.rev < 3)
  236. b43_nphy_rev0_1_2_tables_init(dev);
  237. else
  238. b43_nphy_rev3plus_tables_init(dev);
  239. }
  240. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
  241. static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
  242. {
  243. struct b43_phy_n *nphy = dev->phy.n;
  244. enum ieee80211_band band;
  245. u16 tmp;
  246. if (!enable) {
  247. nphy->rfctrl_intc1_save = b43_phy_read(dev,
  248. B43_NPHY_RFCTL_INTC1);
  249. nphy->rfctrl_intc2_save = b43_phy_read(dev,
  250. B43_NPHY_RFCTL_INTC2);
  251. band = b43_current_band(dev->wl);
  252. if (dev->phy.rev >= 3) {
  253. if (band == IEEE80211_BAND_5GHZ)
  254. tmp = 0x600;
  255. else
  256. tmp = 0x480;
  257. } else {
  258. if (band == IEEE80211_BAND_5GHZ)
  259. tmp = 0x180;
  260. else
  261. tmp = 0x120;
  262. }
  263. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  264. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  265. } else {
  266. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
  267. nphy->rfctrl_intc1_save);
  268. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
  269. nphy->rfctrl_intc2_save);
  270. }
  271. }
  272. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
  273. static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
  274. {
  275. struct b43_phy_n *nphy = dev->phy.n;
  276. u16 tmp;
  277. enum ieee80211_band band = b43_current_band(dev->wl);
  278. bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  279. (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);
  280. if (dev->phy.rev >= 3) {
  281. if (ipa) {
  282. tmp = 4;
  283. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
  284. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  285. }
  286. tmp = 1;
  287. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
  288. (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
  289. }
  290. }
  291. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
  292. static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)
  293. {
  294. u32 tmslow;
  295. if (dev->phy.type != B43_PHYTYPE_N)
  296. return;
  297. tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
  298. if (force)
  299. tmslow |= SSB_TMSLOW_FGC;
  300. else
  301. tmslow &= ~SSB_TMSLOW_FGC;
  302. ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
  303. }
  304. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
  305. static void b43_nphy_reset_cca(struct b43_wldev *dev)
  306. {
  307. u16 bbcfg;
  308. b43_nphy_bmac_clock_fgc(dev, 1);
  309. bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
  310. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
  311. udelay(1);
  312. b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
  313. b43_nphy_bmac_clock_fgc(dev, 0);
  314. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  315. }
  316. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
  317. static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
  318. {
  319. u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
  320. mimocfg |= B43_NPHY_MIMOCFG_AUTO;
  321. if (preamble == 1)
  322. mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
  323. else
  324. mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
  325. b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
  326. }
  327. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
  328. static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
  329. {
  330. struct b43_phy_n *nphy = dev->phy.n;
  331. bool override = false;
  332. u16 chain = 0x33;
  333. if (nphy->txrx_chain == 0) {
  334. chain = 0x11;
  335. override = true;
  336. } else if (nphy->txrx_chain == 1) {
  337. chain = 0x22;
  338. override = true;
  339. }
  340. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  341. ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
  342. chain);
  343. if (override)
  344. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  345. B43_NPHY_RFSEQMODE_CAOVER);
  346. else
  347. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  348. ~B43_NPHY_RFSEQMODE_CAOVER);
  349. }
  350. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
  351. static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
  352. u16 samps, u8 time, bool wait)
  353. {
  354. int i;
  355. u16 tmp;
  356. b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
  357. b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
  358. if (wait)
  359. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
  360. else
  361. b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
  362. b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
  363. for (i = 1000; i; i--) {
  364. tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
  365. if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
  366. est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
  367. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
  368. est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
  369. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
  370. est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
  371. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
  372. est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
  373. b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
  374. est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
  375. b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
  376. est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
  377. b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
  378. return;
  379. }
  380. udelay(10);
  381. }
  382. memset(est, 0, sizeof(*est));
  383. }
  384. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
  385. static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
  386. struct b43_phy_n_iq_comp *pcomp)
  387. {
  388. if (write) {
  389. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
  390. b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
  391. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
  392. b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
  393. } else {
  394. pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
  395. pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
  396. pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
  397. pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
  398. }
  399. }
  400. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
  401. static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
  402. {
  403. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  404. b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
  405. if (core == 0) {
  406. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
  407. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  408. } else {
  409. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  410. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  411. }
  412. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
  413. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
  414. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
  415. b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
  416. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
  417. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
  418. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  419. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  420. }
  421. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
  422. static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
  423. {
  424. u8 rxval, txval;
  425. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  426. regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  427. if (core == 0) {
  428. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  429. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  430. } else {
  431. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  432. regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  433. }
  434. regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  435. regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  436. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
  437. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
  438. regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
  439. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
  440. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  441. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  442. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  443. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  444. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, (u16)~B43_NPHY_RFSEQCA_RXDIS,
  445. ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  446. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  447. ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
  448. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
  449. (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
  450. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
  451. (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
  452. if (core == 0) {
  453. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
  454. b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
  455. } else {
  456. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
  457. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
  458. }
  459. b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
  460. b43_nphy_rf_control_override(dev, 8, 0, 3, false);
  461. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  462. if (core == 0) {
  463. rxval = 1;
  464. txval = 8;
  465. } else {
  466. rxval = 4;
  467. txval = 2;
  468. }
  469. b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
  470. b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
  471. }
  472. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
  473. static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
  474. {
  475. int i;
  476. s32 iq;
  477. u32 ii;
  478. u32 qq;
  479. int iq_nbits, qq_nbits;
  480. int arsh, brsh;
  481. u16 tmp, a, b;
  482. struct nphy_iq_est est;
  483. struct b43_phy_n_iq_comp old;
  484. struct b43_phy_n_iq_comp new = { };
  485. bool error = false;
  486. if (mask == 0)
  487. return;
  488. b43_nphy_rx_iq_coeffs(dev, false, &old);
  489. b43_nphy_rx_iq_coeffs(dev, true, &new);
  490. b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
  491. new = old;
  492. for (i = 0; i < 2; i++) {
  493. if (i == 0 && (mask & 1)) {
  494. iq = est.iq0_prod;
  495. ii = est.i0_pwr;
  496. qq = est.q0_pwr;
  497. } else if (i == 1 && (mask & 2)) {
  498. iq = est.iq1_prod;
  499. ii = est.i1_pwr;
  500. qq = est.q1_pwr;
  501. } else {
  502. B43_WARN_ON(1);
  503. continue;
  504. }
  505. if (ii + qq < 2) {
  506. error = true;
  507. break;
  508. }
  509. iq_nbits = fls(abs(iq));
  510. qq_nbits = fls(qq);
  511. arsh = iq_nbits - 20;
  512. if (arsh >= 0) {
  513. a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
  514. tmp = ii >> arsh;
  515. } else {
  516. a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
  517. tmp = ii << -arsh;
  518. }
  519. if (tmp == 0) {
  520. error = true;
  521. break;
  522. }
  523. a /= tmp;
  524. brsh = qq_nbits - 11;
  525. if (brsh >= 0) {
  526. b = (qq << (31 - qq_nbits));
  527. tmp = ii >> brsh;
  528. } else {
  529. b = (qq << (31 - qq_nbits));
  530. tmp = ii << -brsh;
  531. }
  532. if (tmp == 0) {
  533. error = true;
  534. break;
  535. }
  536. b = int_sqrt(b / tmp - a * a) - (1 << 10);
  537. if (i == 0 && (mask & 0x1)) {
  538. if (dev->phy.rev >= 3) {
  539. new.a0 = a & 0x3FF;
  540. new.b0 = b & 0x3FF;
  541. } else {
  542. new.a0 = b & 0x3FF;
  543. new.b0 = a & 0x3FF;
  544. }
  545. } else if (i == 1 && (mask & 0x2)) {
  546. if (dev->phy.rev >= 3) {
  547. new.a1 = a & 0x3FF;
  548. new.b1 = b & 0x3FF;
  549. } else {
  550. new.a1 = b & 0x3FF;
  551. new.b1 = a & 0x3FF;
  552. }
  553. }
  554. }
  555. if (error)
  556. new = old;
  557. b43_nphy_rx_iq_coeffs(dev, true, &new);
  558. }
  559. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
  560. static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
  561. {
  562. u16 array[4];
  563. int i;
  564. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50);
  565. for (i = 0; i < 4; i++)
  566. array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
  567. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
  568. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
  569. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
  570. b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
  571. }
  572. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  573. static void b43_nphy_write_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  574. {
  575. b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
  576. b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
  577. }
  578. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
  579. static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  580. {
  581. clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
  582. clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
  583. }
  584. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
  585. static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
  586. {
  587. if (dev->phy.rev >= 3) {
  588. if (!init)
  589. return;
  590. if (0 /* FIXME */) {
  591. b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
  592. b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
  593. b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
  594. b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
  595. }
  596. } else {
  597. b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
  598. b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
  599. ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00,
  600. 0xFC00);
  601. b43_write32(dev, B43_MMIO_MACCTL,
  602. b43_read32(dev, B43_MMIO_MACCTL) &
  603. ~B43_MACCTL_GPOUTSMSK);
  604. b43_write16(dev, B43_MMIO_GPIO_MASK,
  605. b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
  606. b43_write16(dev, B43_MMIO_GPIO_CONTROL,
  607. b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
  608. if (init) {
  609. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  610. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  611. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  612. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  613. }
  614. }
  615. }
  616. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
  617. static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  618. {
  619. u16 tmp;
  620. if (dev->dev->id.revision == 16)
  621. b43_mac_suspend(dev);
  622. tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
  623. tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
  624. B43_NPHY_CLASSCTL_WAITEDEN);
  625. tmp &= ~mask;
  626. tmp |= (val & mask);
  627. b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
  628. if (dev->dev->id.revision == 16)
  629. b43_mac_enable(dev);
  630. return tmp;
  631. }
  632. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
  633. static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
  634. {
  635. struct b43_phy *phy = &dev->phy;
  636. struct b43_phy_n *nphy = phy->n;
  637. if (enable) {
  638. u16 clip[] = { 0xFFFF, 0xFFFF };
  639. if (nphy->deaf_count++ == 0) {
  640. nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
  641. b43_nphy_classifier(dev, 0x7, 0);
  642. b43_nphy_read_clip_detection(dev, nphy->clip_state);
  643. b43_nphy_write_clip_detection(dev, clip);
  644. }
  645. b43_nphy_reset_cca(dev);
  646. } else {
  647. if (--nphy->deaf_count == 0) {
  648. b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
  649. b43_nphy_write_clip_detection(dev, nphy->clip_state);
  650. }
  651. }
  652. }
  653. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
  654. static void b43_nphy_stop_playback(struct b43_wldev *dev)
  655. {
  656. struct b43_phy_n *nphy = dev->phy.n;
  657. u16 tmp;
  658. if (nphy->hang_avoid)
  659. b43_nphy_stay_in_carrier_search(dev, 1);
  660. tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
  661. if (tmp & 0x1)
  662. b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
  663. else if (tmp & 0x2)
  664. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, (u16)~0x8000);
  665. b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
  666. if (nphy->bb_mult_save & 0x80000000) {
  667. tmp = nphy->bb_mult_save & 0xFFFF;
  668. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  669. nphy->bb_mult_save = 0;
  670. }
  671. if (nphy->hang_avoid)
  672. b43_nphy_stay_in_carrier_search(dev, 0);
  673. }
  674. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
  675. static void b43_nphy_spur_workaround(struct b43_wldev *dev)
  676. {
  677. struct b43_phy_n *nphy = dev->phy.n;
  678. u8 channel = nphy->radio_chanspec.channel;
  679. int tone[2] = { 57, 58 };
  680. u32 noise[2] = { 0x3FF, 0x3FF };
  681. B43_WARN_ON(dev->phy.rev < 3);
  682. if (nphy->hang_avoid)
  683. b43_nphy_stay_in_carrier_search(dev, 1);
  684. if (nphy->gband_spurwar_en) {
  685. /* TODO: N PHY Adjust Analog Pfbw (7) */
  686. if (channel == 11 && dev->phy.is_40mhz)
  687. ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
  688. else
  689. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  690. /* TODO: N PHY Adjust CRS Min Power (0x1E) */
  691. }
  692. if (nphy->aband_spurwar_en) {
  693. if (channel == 54) {
  694. tone[0] = 0x20;
  695. noise[0] = 0x25F;
  696. } else if (channel == 38 || channel == 102 || channel == 118) {
  697. if (0 /* FIXME */) {
  698. tone[0] = 0x20;
  699. noise[0] = 0x21F;
  700. } else {
  701. tone[0] = 0;
  702. noise[0] = 0;
  703. }
  704. } else if (channel == 134) {
  705. tone[0] = 0x20;
  706. noise[0] = 0x21F;
  707. } else if (channel == 151) {
  708. tone[0] = 0x10;
  709. noise[0] = 0x23F;
  710. } else if (channel == 153 || channel == 161) {
  711. tone[0] = 0x30;
  712. noise[0] = 0x23F;
  713. } else {
  714. tone[0] = 0;
  715. noise[0] = 0;
  716. }
  717. if (!tone[0] && !noise[0])
  718. ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
  719. else
  720. ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
  721. }
  722. if (nphy->hang_avoid)
  723. b43_nphy_stay_in_carrier_search(dev, 0);
  724. }
  725. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
  726. static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
  727. {
  728. struct b43_phy_n *nphy = dev->phy.n;
  729. u8 i;
  730. s16 tmp;
  731. u16 data[4];
  732. s16 gain[2];
  733. u16 minmax[2];
  734. u16 lna_gain[4] = { -2, 10, 19, 25 };
  735. if (nphy->hang_avoid)
  736. b43_nphy_stay_in_carrier_search(dev, 1);
  737. if (nphy->gain_boost) {
  738. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  739. gain[0] = 6;
  740. gain[1] = 6;
  741. } else {
  742. tmp = 40370 - 315 * nphy->radio_chanspec.channel;
  743. gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
  744. tmp = 23242 - 224 * nphy->radio_chanspec.channel;
  745. gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
  746. }
  747. } else {
  748. gain[0] = 0;
  749. gain[1] = 0;
  750. }
  751. for (i = 0; i < 2; i++) {
  752. if (nphy->elna_gain_config) {
  753. data[0] = 19 + gain[i];
  754. data[1] = 25 + gain[i];
  755. data[2] = 25 + gain[i];
  756. data[3] = 25 + gain[i];
  757. } else {
  758. data[0] = lna_gain[0] + gain[i];
  759. data[1] = lna_gain[1] + gain[i];
  760. data[2] = lna_gain[2] + gain[i];
  761. data[3] = lna_gain[3] + gain[i];
  762. }
  763. b43_ntab_write_bulk(dev, B43_NTAB16(10, 8), 4, data);
  764. minmax[i] = 23 + gain[i];
  765. }
  766. b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
  767. minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
  768. b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
  769. minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
  770. if (nphy->hang_avoid)
  771. b43_nphy_stay_in_carrier_search(dev, 0);
  772. }
  773. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
  774. static void b43_nphy_gain_crtl_workarounds(struct b43_wldev *dev)
  775. {
  776. struct b43_phy_n *nphy = dev->phy.n;
  777. u8 i, j;
  778. u8 code;
  779. /* TODO: for PHY >= 3
  780. s8 *lna1_gain, *lna2_gain;
  781. u8 *gain_db, *gain_bits;
  782. u16 *rfseq_init;
  783. u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
  784. u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
  785. */
  786. u8 rfseq_events[3] = { 6, 8, 7 };
  787. u8 rfseq_delays[3] = { 10, 30, 1 };
  788. if (dev->phy.rev >= 3) {
  789. /* TODO */
  790. } else {
  791. /* Set Clip 2 detect */
  792. b43_phy_set(dev, B43_NPHY_C1_CGAINI,
  793. B43_NPHY_C1_CGAINI_CL2DETECT);
  794. b43_phy_set(dev, B43_NPHY_C2_CGAINI,
  795. B43_NPHY_C2_CGAINI_CL2DETECT);
  796. /* Set narrowband clip threshold */
  797. b43_phy_set(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
  798. b43_phy_set(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
  799. if (!dev->phy.is_40mhz) {
  800. /* Set dwell lengths */
  801. b43_phy_set(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
  802. b43_phy_set(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
  803. b43_phy_set(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
  804. b43_phy_set(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
  805. }
  806. /* Set wideband clip 2 threshold */
  807. b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
  808. ~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
  809. 21);
  810. b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
  811. ~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
  812. 21);
  813. if (!dev->phy.is_40mhz) {
  814. b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
  815. ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
  816. b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
  817. ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
  818. b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
  819. ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
  820. b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
  821. ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
  822. }
  823. b43_phy_set(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
  824. if (nphy->gain_boost) {
  825. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
  826. dev->phy.is_40mhz)
  827. code = 4;
  828. else
  829. code = 5;
  830. } else {
  831. code = dev->phy.is_40mhz ? 6 : 7;
  832. }
  833. /* Set HPVGA2 index */
  834. b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
  835. ~B43_NPHY_C1_INITGAIN_HPVGA2,
  836. code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
  837. b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
  838. ~B43_NPHY_C2_INITGAIN_HPVGA2,
  839. code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
  840. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  841. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  842. (code << 8 | 0x7C));
  843. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  844. (code << 8 | 0x7C));
  845. b43_nphy_adjust_lna_gain_table(dev);
  846. if (nphy->elna_gain_config) {
  847. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
  848. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  849. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  850. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  851. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  852. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
  853. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
  854. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  855. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  856. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
  857. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
  858. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  859. (code << 8 | 0x74));
  860. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  861. (code << 8 | 0x74));
  862. }
  863. if (dev->phy.rev == 2) {
  864. for (i = 0; i < 4; i++) {
  865. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  866. (0x0400 * i) + 0x0020);
  867. for (j = 0; j < 21; j++)
  868. b43_phy_write(dev,
  869. B43_NPHY_TABLE_DATALO, 3 * j);
  870. }
  871. b43_nphy_set_rf_sequence(dev, 5,
  872. rfseq_events, rfseq_delays, 3);
  873. b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
  874. (u16)~B43_NPHY_OVER_DGAIN_CCKDGECV,
  875. 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
  876. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  877. b43_phy_maskset(dev, B43_PHY_N(0xC5D),
  878. 0xFF80, 4);
  879. }
  880. }
  881. }
  882. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
  883. static void b43_nphy_workarounds(struct b43_wldev *dev)
  884. {
  885. struct ssb_bus *bus = dev->dev->bus;
  886. struct b43_phy *phy = &dev->phy;
  887. struct b43_phy_n *nphy = phy->n;
  888. u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
  889. u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
  890. u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
  891. u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
  892. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  893. b43_nphy_classifier(dev, 1, 0);
  894. else
  895. b43_nphy_classifier(dev, 1, 1);
  896. if (nphy->hang_avoid)
  897. b43_nphy_stay_in_carrier_search(dev, 1);
  898. b43_phy_set(dev, B43_NPHY_IQFLIP,
  899. B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
  900. if (dev->phy.rev >= 3) {
  901. /* TODO */
  902. } else {
  903. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
  904. nphy->band5g_pwrgain) {
  905. b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
  906. b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
  907. } else {
  908. b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
  909. b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
  910. }
  911. /* TODO: convert to b43_ntab_write? */
  912. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2000);
  913. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
  914. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2010);
  915. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A);
  916. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2002);
  917. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
  918. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2012);
  919. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA);
  920. if (dev->phy.rev < 2) {
  921. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2008);
  922. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
  923. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2018);
  924. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000);
  925. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2007);
  926. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
  927. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2017);
  928. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB);
  929. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2006);
  930. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
  931. b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2016);
  932. b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800);
  933. }
  934. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
  935. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
  936. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
  937. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
  938. if (bus->sprom.boardflags2_lo & 0x100 &&
  939. bus->boardinfo.type == 0x8B) {
  940. delays1[0] = 0x1;
  941. delays1[5] = 0x14;
  942. }
  943. b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
  944. b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
  945. b43_nphy_gain_crtl_workarounds(dev);
  946. if (dev->phy.rev < 2) {
  947. if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
  948. ; /*TODO: b43_mhf(dev, 2, 0x0010, 0x0010, 3);*/
  949. } else if (dev->phy.rev == 2) {
  950. b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
  951. b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
  952. }
  953. if (dev->phy.rev < 2)
  954. b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
  955. ~B43_NPHY_SCRAM_SIGCTL_SCM);
  956. /* Set phase track alpha and beta */
  957. b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
  958. b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
  959. b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
  960. b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
  961. b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
  962. b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
  963. b43_phy_mask(dev, B43_NPHY_PIL_DW1,
  964. (u16)~B43_NPHY_PIL_DW_64QAM);
  965. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
  966. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
  967. b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
  968. if (dev->phy.rev == 2)
  969. b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
  970. B43_NPHY_FINERX2_CGC_DECGC);
  971. }
  972. if (nphy->hang_avoid)
  973. b43_nphy_stay_in_carrier_search(dev, 0);
  974. }
  975. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
  976. static int b43_nphy_load_samples(struct b43_wldev *dev,
  977. struct b43_c32 *samples, u16 len) {
  978. struct b43_phy_n *nphy = dev->phy.n;
  979. u16 i;
  980. u32 *data;
  981. data = kzalloc(len * sizeof(u32), GFP_KERNEL);
  982. if (!data) {
  983. b43err(dev->wl, "allocation for samples loading failed\n");
  984. return -ENOMEM;
  985. }
  986. if (nphy->hang_avoid)
  987. b43_nphy_stay_in_carrier_search(dev, 1);
  988. for (i = 0; i < len; i++) {
  989. data[i] = (samples[i].i & 0x3FF << 10);
  990. data[i] |= samples[i].q & 0x3FF;
  991. }
  992. b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
  993. kfree(data);
  994. if (nphy->hang_avoid)
  995. b43_nphy_stay_in_carrier_search(dev, 0);
  996. return 0;
  997. }
  998. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
  999. static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
  1000. bool test)
  1001. {
  1002. int i;
  1003. u16 bw, len, rot, angle;
  1004. struct b43_c32 *samples;
  1005. bw = (dev->phy.is_40mhz) ? 40 : 20;
  1006. len = bw << 3;
  1007. if (test) {
  1008. if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
  1009. bw = 82;
  1010. else
  1011. bw = 80;
  1012. if (dev->phy.is_40mhz)
  1013. bw <<= 1;
  1014. len = bw << 1;
  1015. }
  1016. samples = kzalloc(len * sizeof(struct b43_c32), GFP_KERNEL);
  1017. if (!samples) {
  1018. b43err(dev->wl, "allocation for samples generation failed\n");
  1019. return 0;
  1020. }
  1021. rot = (((freq * 36) / bw) << 16) / 100;
  1022. angle = 0;
  1023. for (i = 0; i < len; i++) {
  1024. samples[i] = b43_cordic(angle);
  1025. angle += rot;
  1026. samples[i].q = CORDIC_CONVERT(samples[i].q * max);
  1027. samples[i].i = CORDIC_CONVERT(samples[i].i * max);
  1028. }
  1029. i = b43_nphy_load_samples(dev, samples, len);
  1030. kfree(samples);
  1031. return (i < 0) ? 0 : len;
  1032. }
  1033. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
  1034. static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
  1035. u16 wait, bool iqmode, bool dac_test)
  1036. {
  1037. struct b43_phy_n *nphy = dev->phy.n;
  1038. int i;
  1039. u16 seq_mode;
  1040. u32 tmp;
  1041. if (nphy->hang_avoid)
  1042. b43_nphy_stay_in_carrier_search(dev, true);
  1043. if ((nphy->bb_mult_save & 0x80000000) == 0) {
  1044. tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
  1045. nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
  1046. }
  1047. if (!dev->phy.is_40mhz)
  1048. tmp = 0x6464;
  1049. else
  1050. tmp = 0x4747;
  1051. b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
  1052. if (nphy->hang_avoid)
  1053. b43_nphy_stay_in_carrier_search(dev, false);
  1054. b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
  1055. if (loops != 0xFFFF)
  1056. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
  1057. else
  1058. b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
  1059. b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
  1060. seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1061. b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
  1062. if (iqmode) {
  1063. b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
  1064. b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
  1065. } else {
  1066. if (dac_test)
  1067. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
  1068. else
  1069. b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
  1070. }
  1071. for (i = 0; i < 100; i++) {
  1072. if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
  1073. i = 0;
  1074. break;
  1075. }
  1076. udelay(10);
  1077. }
  1078. if (i)
  1079. b43err(dev->wl, "run samples timeout\n");
  1080. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1081. }
  1082. /*
  1083. * Transmits a known value for LO calibration
  1084. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
  1085. */
  1086. static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
  1087. bool iqmode, bool dac_test)
  1088. {
  1089. u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
  1090. if (samp == 0)
  1091. return -1;
  1092. b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
  1093. return 0;
  1094. }
  1095. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
  1096. static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
  1097. {
  1098. struct b43_phy_n *nphy = dev->phy.n;
  1099. int i, j;
  1100. u32 tmp;
  1101. u32 cur_real, cur_imag, real_part, imag_part;
  1102. u16 buffer[7];
  1103. if (nphy->hang_avoid)
  1104. b43_nphy_stay_in_carrier_search(dev, true);
  1105. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  1106. for (i = 0; i < 2; i++) {
  1107. tmp = ((buffer[i * 2] & 0x3FF) << 10) |
  1108. (buffer[i * 2 + 1] & 0x3FF);
  1109. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1110. (((i + 26) << 10) | 320));
  1111. for (j = 0; j < 128; j++) {
  1112. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  1113. ((tmp >> 16) & 0xFFFF));
  1114. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1115. (tmp & 0xFFFF));
  1116. }
  1117. }
  1118. for (i = 0; i < 2; i++) {
  1119. tmp = buffer[5 + i];
  1120. real_part = (tmp >> 8) & 0xFF;
  1121. imag_part = (tmp & 0xFF);
  1122. b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
  1123. (((i + 26) << 10) | 448));
  1124. if (dev->phy.rev >= 3) {
  1125. cur_real = real_part;
  1126. cur_imag = imag_part;
  1127. tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
  1128. }
  1129. for (j = 0; j < 128; j++) {
  1130. if (dev->phy.rev < 3) {
  1131. cur_real = (real_part * loscale[j] + 128) >> 8;
  1132. cur_imag = (imag_part * loscale[j] + 128) >> 8;
  1133. tmp = ((cur_real & 0xFF) << 8) |
  1134. (cur_imag & 0xFF);
  1135. }
  1136. b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
  1137. ((tmp >> 16) & 0xFFFF));
  1138. b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
  1139. (tmp & 0xFFFF));
  1140. }
  1141. }
  1142. if (dev->phy.rev >= 3) {
  1143. b43_shm_write16(dev, B43_SHM_SHARED,
  1144. B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
  1145. b43_shm_write16(dev, B43_SHM_SHARED,
  1146. B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
  1147. }
  1148. if (nphy->hang_avoid)
  1149. b43_nphy_stay_in_carrier_search(dev, false);
  1150. }
  1151. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
  1152. static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
  1153. u8 *events, u8 *delays, u8 length)
  1154. {
  1155. struct b43_phy_n *nphy = dev->phy.n;
  1156. u8 i;
  1157. u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
  1158. u16 offset1 = cmd << 4;
  1159. u16 offset2 = offset1 + 0x80;
  1160. if (nphy->hang_avoid)
  1161. b43_nphy_stay_in_carrier_search(dev, true);
  1162. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
  1163. b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
  1164. for (i = length; i < 16; i++) {
  1165. b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
  1166. b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
  1167. }
  1168. if (nphy->hang_avoid)
  1169. b43_nphy_stay_in_carrier_search(dev, false);
  1170. }
  1171. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
  1172. static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
  1173. enum b43_nphy_rf_sequence seq)
  1174. {
  1175. static const u16 trigger[] = {
  1176. [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
  1177. [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
  1178. [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
  1179. [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
  1180. [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
  1181. [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
  1182. };
  1183. int i;
  1184. u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
  1185. B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
  1186. b43_phy_set(dev, B43_NPHY_RFSEQMODE,
  1187. B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
  1188. b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
  1189. for (i = 0; i < 200; i++) {
  1190. if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
  1191. goto ok;
  1192. msleep(1);
  1193. }
  1194. b43err(dev->wl, "RF sequence status timeout\n");
  1195. ok:
  1196. b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
  1197. }
  1198. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
  1199. static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
  1200. u16 value, u8 core, bool off)
  1201. {
  1202. int i;
  1203. u8 index = fls(field);
  1204. u8 addr, en_addr, val_addr;
  1205. /* we expect only one bit set */
  1206. B43_WARN_ON(field & (~(1 << (index - 1))));
  1207. if (dev->phy.rev >= 3) {
  1208. const struct nphy_rf_control_override_rev3 *rf_ctrl;
  1209. for (i = 0; i < 2; i++) {
  1210. if (index == 0 || index == 16) {
  1211. b43err(dev->wl,
  1212. "Unsupported RF Ctrl Override call\n");
  1213. return;
  1214. }
  1215. rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
  1216. en_addr = B43_PHY_N((i == 0) ?
  1217. rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
  1218. val_addr = B43_PHY_N((i == 0) ?
  1219. rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
  1220. if (off) {
  1221. b43_phy_mask(dev, en_addr, ~(field));
  1222. b43_phy_mask(dev, val_addr,
  1223. ~(rf_ctrl->val_mask));
  1224. } else {
  1225. if (core == 0 || ((1 << core) & i) != 0) {
  1226. b43_phy_set(dev, en_addr, field);
  1227. b43_phy_maskset(dev, val_addr,
  1228. ~(rf_ctrl->val_mask),
  1229. (value << rf_ctrl->val_shift));
  1230. }
  1231. }
  1232. }
  1233. } else {
  1234. const struct nphy_rf_control_override_rev2 *rf_ctrl;
  1235. if (off) {
  1236. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
  1237. value = 0;
  1238. } else {
  1239. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
  1240. }
  1241. for (i = 0; i < 2; i++) {
  1242. if (index <= 1 || index == 16) {
  1243. b43err(dev->wl,
  1244. "Unsupported RF Ctrl Override call\n");
  1245. return;
  1246. }
  1247. if (index == 2 || index == 10 ||
  1248. (index >= 13 && index <= 15)) {
  1249. core = 1;
  1250. }
  1251. rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
  1252. addr = B43_PHY_N((i == 0) ?
  1253. rf_ctrl->addr0 : rf_ctrl->addr1);
  1254. if ((core & (1 << i)) != 0)
  1255. b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
  1256. (value << rf_ctrl->shift));
  1257. b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
  1258. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1259. B43_NPHY_RFCTL_CMD_START);
  1260. udelay(1);
  1261. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
  1262. }
  1263. }
  1264. }
  1265. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
  1266. static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
  1267. u16 value, u8 core)
  1268. {
  1269. u8 i, j;
  1270. u16 reg, tmp, val;
  1271. B43_WARN_ON(dev->phy.rev < 3);
  1272. B43_WARN_ON(field > 4);
  1273. for (i = 0; i < 2; i++) {
  1274. if ((core == 1 && i == 1) || (core == 2 && !i))
  1275. continue;
  1276. reg = (i == 0) ?
  1277. B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
  1278. b43_phy_mask(dev, reg, 0xFBFF);
  1279. switch (field) {
  1280. case 0:
  1281. b43_phy_write(dev, reg, 0);
  1282. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  1283. break;
  1284. case 1:
  1285. if (!i) {
  1286. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
  1287. 0xFC3F, (value << 6));
  1288. b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
  1289. 0xFFFE, 1);
  1290. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1291. B43_NPHY_RFCTL_CMD_START);
  1292. for (j = 0; j < 100; j++) {
  1293. if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
  1294. j = 0;
  1295. break;
  1296. }
  1297. udelay(10);
  1298. }
  1299. if (j)
  1300. b43err(dev->wl,
  1301. "intc override timeout\n");
  1302. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
  1303. 0xFFFE);
  1304. } else {
  1305. b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
  1306. 0xFC3F, (value << 6));
  1307. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  1308. 0xFFFE, 1);
  1309. b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
  1310. B43_NPHY_RFCTL_CMD_RXTX);
  1311. for (j = 0; j < 100; j++) {
  1312. if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
  1313. j = 0;
  1314. break;
  1315. }
  1316. udelay(10);
  1317. }
  1318. if (j)
  1319. b43err(dev->wl,
  1320. "intc override timeout\n");
  1321. b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
  1322. 0xFFFE);
  1323. }
  1324. break;
  1325. case 2:
  1326. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1327. tmp = 0x0020;
  1328. val = value << 5;
  1329. } else {
  1330. tmp = 0x0010;
  1331. val = value << 4;
  1332. }
  1333. b43_phy_maskset(dev, reg, ~tmp, val);
  1334. break;
  1335. case 3:
  1336. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1337. tmp = 0x0001;
  1338. val = value;
  1339. } else {
  1340. tmp = 0x0004;
  1341. val = value << 2;
  1342. }
  1343. b43_phy_maskset(dev, reg, ~tmp, val);
  1344. break;
  1345. case 4:
  1346. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1347. tmp = 0x0002;
  1348. val = value << 1;
  1349. } else {
  1350. tmp = 0x0008;
  1351. val = value << 3;
  1352. }
  1353. b43_phy_maskset(dev, reg, ~tmp, val);
  1354. break;
  1355. }
  1356. }
  1357. }
  1358. static void b43_nphy_bphy_init(struct b43_wldev *dev)
  1359. {
  1360. unsigned int i;
  1361. u16 val;
  1362. val = 0x1E1F;
  1363. for (i = 0; i < 14; i++) {
  1364. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  1365. val -= 0x202;
  1366. }
  1367. val = 0x3E3F;
  1368. for (i = 0; i < 16; i++) {
  1369. b43_phy_write(dev, B43_PHY_N_BMODE(0x97 + i), val);
  1370. val -= 0x202;
  1371. }
  1372. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  1373. }
  1374. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
  1375. static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
  1376. s8 offset, u8 core, u8 rail, u8 type)
  1377. {
  1378. u16 tmp;
  1379. bool core1or5 = (core == 1) || (core == 5);
  1380. bool core2or5 = (core == 2) || (core == 5);
  1381. offset = clamp_val(offset, -32, 31);
  1382. tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
  1383. if (core1or5 && (rail == 0) && (type == 2))
  1384. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
  1385. if (core1or5 && (rail == 1) && (type == 2))
  1386. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
  1387. if (core2or5 && (rail == 0) && (type == 2))
  1388. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
  1389. if (core2or5 && (rail == 1) && (type == 2))
  1390. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
  1391. if (core1or5 && (rail == 0) && (type == 0))
  1392. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
  1393. if (core1or5 && (rail == 1) && (type == 0))
  1394. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
  1395. if (core2or5 && (rail == 0) && (type == 0))
  1396. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
  1397. if (core2or5 && (rail == 1) && (type == 0))
  1398. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
  1399. if (core1or5 && (rail == 0) && (type == 1))
  1400. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
  1401. if (core1or5 && (rail == 1) && (type == 1))
  1402. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
  1403. if (core2or5 && (rail == 0) && (type == 1))
  1404. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
  1405. if (core2or5 && (rail == 1) && (type == 1))
  1406. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
  1407. if (core1or5 && (rail == 0) && (type == 6))
  1408. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
  1409. if (core1or5 && (rail == 1) && (type == 6))
  1410. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
  1411. if (core2or5 && (rail == 0) && (type == 6))
  1412. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
  1413. if (core2or5 && (rail == 1) && (type == 6))
  1414. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
  1415. if (core1or5 && (rail == 0) && (type == 3))
  1416. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
  1417. if (core1or5 && (rail == 1) && (type == 3))
  1418. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
  1419. if (core2or5 && (rail == 0) && (type == 3))
  1420. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
  1421. if (core2or5 && (rail == 1) && (type == 3))
  1422. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
  1423. if (core1or5 && (type == 4))
  1424. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
  1425. if (core2or5 && (type == 4))
  1426. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
  1427. if (core1or5 && (type == 5))
  1428. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
  1429. if (core2or5 && (type == 5))
  1430. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
  1431. }
  1432. static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1433. {
  1434. u16 val;
  1435. if (type < 3)
  1436. val = 0;
  1437. else if (type == 6)
  1438. val = 1;
  1439. else if (type == 3)
  1440. val = 2;
  1441. else
  1442. val = 3;
  1443. val = (val << 12) | (val << 14);
  1444. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
  1445. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
  1446. if (type < 3) {
  1447. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
  1448. (type + 1) << 4);
  1449. b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
  1450. (type + 1) << 4);
  1451. }
  1452. /* TODO use some definitions */
  1453. if (code == 0) {
  1454. b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0);
  1455. if (type < 3) {
  1456. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFEC7, 0);
  1457. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xEFDC, 0);
  1458. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0);
  1459. udelay(20);
  1460. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
  1461. }
  1462. } else {
  1463. b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF,
  1464. 0x3000);
  1465. if (type < 3) {
  1466. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
  1467. 0xFEC7, 0x0180);
  1468. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
  1469. 0xEFDC, (code << 1 | 0x1021));
  1470. b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0x1);
  1471. udelay(20);
  1472. b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
  1473. }
  1474. }
  1475. }
  1476. static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1477. {
  1478. struct b43_phy_n *nphy = dev->phy.n;
  1479. u8 i;
  1480. u16 reg, val;
  1481. if (code == 0) {
  1482. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
  1483. b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
  1484. b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
  1485. b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
  1486. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
  1487. b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
  1488. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
  1489. b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
  1490. } else {
  1491. for (i = 0; i < 2; i++) {
  1492. if ((code == 1 && i == 1) || (code == 2 && !i))
  1493. continue;
  1494. reg = (i == 0) ?
  1495. B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
  1496. b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
  1497. if (type < 3) {
  1498. reg = (i == 0) ?
  1499. B43_NPHY_AFECTL_C1 :
  1500. B43_NPHY_AFECTL_C2;
  1501. b43_phy_maskset(dev, reg, 0xFCFF, 0);
  1502. reg = (i == 0) ?
  1503. B43_NPHY_RFCTL_LUT_TRSW_UP1 :
  1504. B43_NPHY_RFCTL_LUT_TRSW_UP2;
  1505. b43_phy_maskset(dev, reg, 0xFFC3, 0);
  1506. if (type == 0)
  1507. val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
  1508. else if (type == 1)
  1509. val = 16;
  1510. else
  1511. val = 32;
  1512. b43_phy_set(dev, reg, val);
  1513. reg = (i == 0) ?
  1514. B43_NPHY_TXF_40CO_B1S0 :
  1515. B43_NPHY_TXF_40CO_B32S1;
  1516. b43_phy_set(dev, reg, 0x0020);
  1517. } else {
  1518. if (type == 6)
  1519. val = 0x0100;
  1520. else if (type == 3)
  1521. val = 0x0200;
  1522. else
  1523. val = 0x0300;
  1524. reg = (i == 0) ?
  1525. B43_NPHY_AFECTL_C1 :
  1526. B43_NPHY_AFECTL_C2;
  1527. b43_phy_maskset(dev, reg, 0xFCFF, val);
  1528. b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
  1529. if (type != 3 && type != 6) {
  1530. enum ieee80211_band band =
  1531. b43_current_band(dev->wl);
  1532. if ((nphy->ipa2g_on &&
  1533. band == IEEE80211_BAND_2GHZ) ||
  1534. (nphy->ipa5g_on &&
  1535. band == IEEE80211_BAND_5GHZ))
  1536. val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
  1537. else
  1538. val = 0x11;
  1539. reg = (i == 0) ? 0x2000 : 0x3000;
  1540. reg |= B2055_PADDRV;
  1541. b43_radio_write16(dev, reg, val);
  1542. reg = (i == 0) ?
  1543. B43_NPHY_AFECTL_OVER1 :
  1544. B43_NPHY_AFECTL_OVER;
  1545. b43_phy_set(dev, reg, 0x0200);
  1546. }
  1547. }
  1548. }
  1549. }
  1550. }
  1551. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
  1552. static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
  1553. {
  1554. if (dev->phy.rev >= 3)
  1555. b43_nphy_rev3_rssi_select(dev, code, type);
  1556. else
  1557. b43_nphy_rev2_rssi_select(dev, code, type);
  1558. }
  1559. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
  1560. static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
  1561. {
  1562. int i;
  1563. for (i = 0; i < 2; i++) {
  1564. if (type == 2) {
  1565. if (i == 0) {
  1566. b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
  1567. 0xFC, buf[0]);
  1568. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1569. 0xFC, buf[1]);
  1570. } else {
  1571. b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
  1572. 0xFC, buf[2 * i]);
  1573. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1574. 0xFC, buf[2 * i + 1]);
  1575. }
  1576. } else {
  1577. if (i == 0)
  1578. b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
  1579. 0xF3, buf[0] << 2);
  1580. else
  1581. b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
  1582. 0xF3, buf[2 * i + 1] << 2);
  1583. }
  1584. }
  1585. }
  1586. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
  1587. static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
  1588. u8 nsamp)
  1589. {
  1590. int i;
  1591. int out;
  1592. u16 save_regs_phy[9];
  1593. u16 s[2];
  1594. if (dev->phy.rev >= 3) {
  1595. save_regs_phy[0] = b43_phy_read(dev,
  1596. B43_NPHY_RFCTL_LUT_TRSW_UP1);
  1597. save_regs_phy[1] = b43_phy_read(dev,
  1598. B43_NPHY_RFCTL_LUT_TRSW_UP2);
  1599. save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  1600. save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  1601. save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  1602. save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  1603. save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
  1604. save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
  1605. }
  1606. b43_nphy_rssi_select(dev, 5, type);
  1607. if (dev->phy.rev < 2) {
  1608. save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
  1609. b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
  1610. }
  1611. for (i = 0; i < 4; i++)
  1612. buf[i] = 0;
  1613. for (i = 0; i < nsamp; i++) {
  1614. if (dev->phy.rev < 2) {
  1615. s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
  1616. s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
  1617. } else {
  1618. s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
  1619. s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
  1620. }
  1621. buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
  1622. buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
  1623. buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
  1624. buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
  1625. }
  1626. out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
  1627. (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
  1628. if (dev->phy.rev < 2)
  1629. b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
  1630. if (dev->phy.rev >= 3) {
  1631. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
  1632. save_regs_phy[0]);
  1633. b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
  1634. save_regs_phy[1]);
  1635. b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
  1636. b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
  1637. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
  1638. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
  1639. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
  1640. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
  1641. }
  1642. return out;
  1643. }
  1644. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
  1645. static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
  1646. {
  1647. int i, j;
  1648. u8 state[4];
  1649. u8 code, val;
  1650. u16 class, override;
  1651. u8 regs_save_radio[2];
  1652. u16 regs_save_phy[2];
  1653. s8 offset[4];
  1654. u16 clip_state[2];
  1655. u16 clip_off[2] = { 0xFFFF, 0xFFFF };
  1656. s32 results_min[4] = { };
  1657. u8 vcm_final[4] = { };
  1658. s32 results[4][4] = { };
  1659. s32 miniq[4][2] = { };
  1660. if (type == 2) {
  1661. code = 0;
  1662. val = 6;
  1663. } else if (type < 2) {
  1664. code = 25;
  1665. val = 4;
  1666. } else {
  1667. B43_WARN_ON(1);
  1668. return;
  1669. }
  1670. class = b43_nphy_classifier(dev, 0, 0);
  1671. b43_nphy_classifier(dev, 7, 4);
  1672. b43_nphy_read_clip_detection(dev, clip_state);
  1673. b43_nphy_write_clip_detection(dev, clip_off);
  1674. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  1675. override = 0x140;
  1676. else
  1677. override = 0x110;
  1678. regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  1679. regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
  1680. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
  1681. b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
  1682. regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  1683. regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
  1684. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
  1685. b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
  1686. state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
  1687. state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
  1688. b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
  1689. b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
  1690. state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
  1691. state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
  1692. b43_nphy_rssi_select(dev, 5, type);
  1693. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
  1694. b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
  1695. for (i = 0; i < 4; i++) {
  1696. u8 tmp[4];
  1697. for (j = 0; j < 4; j++)
  1698. tmp[j] = i;
  1699. if (type != 1)
  1700. b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
  1701. b43_nphy_poll_rssi(dev, type, results[i], 8);
  1702. if (type < 2)
  1703. for (j = 0; j < 2; j++)
  1704. miniq[i][j] = min(results[i][2 * j],
  1705. results[i][2 * j + 1]);
  1706. }
  1707. for (i = 0; i < 4; i++) {
  1708. s32 mind = 40;
  1709. u8 minvcm = 0;
  1710. s32 minpoll = 249;
  1711. s32 curr;
  1712. for (j = 0; j < 4; j++) {
  1713. if (type == 2)
  1714. curr = abs(results[j][i]);
  1715. else
  1716. curr = abs(miniq[j][i / 2] - code * 8);
  1717. if (curr < mind) {
  1718. mind = curr;
  1719. minvcm = j;
  1720. }
  1721. if (results[j][i] < minpoll)
  1722. minpoll = results[j][i];
  1723. }
  1724. results_min[i] = minpoll;
  1725. vcm_final[i] = minvcm;
  1726. }
  1727. if (type != 1)
  1728. b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
  1729. for (i = 0; i < 4; i++) {
  1730. offset[i] = (code * 8) - results[vcm_final[i]][i];
  1731. if (offset[i] < 0)
  1732. offset[i] = -((abs(offset[i]) + 4) / 8);
  1733. else
  1734. offset[i] = (offset[i] + 4) / 8;
  1735. if (results_min[i] == 248)
  1736. offset[i] = code - 32;
  1737. if (i % 2 == 0)
  1738. b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1, 0,
  1739. type);
  1740. else
  1741. b43_nphy_scale_offset_rssi(dev, 0, offset[i], 2, 1,
  1742. type);
  1743. }
  1744. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
  1745. b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[1]);
  1746. switch (state[2]) {
  1747. case 1:
  1748. b43_nphy_rssi_select(dev, 1, 2);
  1749. break;
  1750. case 4:
  1751. b43_nphy_rssi_select(dev, 1, 0);
  1752. break;
  1753. case 2:
  1754. b43_nphy_rssi_select(dev, 1, 1);
  1755. break;
  1756. default:
  1757. b43_nphy_rssi_select(dev, 1, 1);
  1758. break;
  1759. }
  1760. switch (state[3]) {
  1761. case 1:
  1762. b43_nphy_rssi_select(dev, 2, 2);
  1763. break;
  1764. case 4:
  1765. b43_nphy_rssi_select(dev, 2, 0);
  1766. break;
  1767. default:
  1768. b43_nphy_rssi_select(dev, 2, 1);
  1769. break;
  1770. }
  1771. b43_nphy_rssi_select(dev, 0, type);
  1772. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
  1773. b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
  1774. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
  1775. b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
  1776. b43_nphy_classifier(dev, 7, class);
  1777. b43_nphy_write_clip_detection(dev, clip_state);
  1778. }
  1779. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
  1780. static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
  1781. {
  1782. /* TODO */
  1783. }
  1784. /*
  1785. * RSSI Calibration
  1786. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
  1787. */
  1788. static void b43_nphy_rssi_cal(struct b43_wldev *dev)
  1789. {
  1790. if (dev->phy.rev >= 3) {
  1791. b43_nphy_rev3_rssi_cal(dev);
  1792. } else {
  1793. b43_nphy_rev2_rssi_cal(dev, 2);
  1794. b43_nphy_rev2_rssi_cal(dev, 0);
  1795. b43_nphy_rev2_rssi_cal(dev, 1);
  1796. }
  1797. }
  1798. /*
  1799. * Restore RSSI Calibration
  1800. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
  1801. */
  1802. static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
  1803. {
  1804. struct b43_phy_n *nphy = dev->phy.n;
  1805. u16 *rssical_radio_regs = NULL;
  1806. u16 *rssical_phy_regs = NULL;
  1807. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1808. if (b43_empty_chanspec(&nphy->rssical_chanspec_2G))
  1809. return;
  1810. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
  1811. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
  1812. } else {
  1813. if (b43_empty_chanspec(&nphy->rssical_chanspec_5G))
  1814. return;
  1815. rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
  1816. rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
  1817. }
  1818. /* TODO use some definitions */
  1819. b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
  1820. b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
  1821. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
  1822. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
  1823. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
  1824. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
  1825. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
  1826. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
  1827. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
  1828. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
  1829. b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
  1830. b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
  1831. b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
  1832. b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
  1833. }
  1834. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
  1835. static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
  1836. {
  1837. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  1838. if (dev->phy.rev >= 6) {
  1839. /* TODO If the chip is 47162
  1840. return txpwrctrl_tx_gain_ipa_rev5 */
  1841. return txpwrctrl_tx_gain_ipa_rev6;
  1842. } else if (dev->phy.rev >= 5) {
  1843. return txpwrctrl_tx_gain_ipa_rev5;
  1844. } else {
  1845. return txpwrctrl_tx_gain_ipa;
  1846. }
  1847. } else {
  1848. return txpwrctrl_tx_gain_ipa_5g;
  1849. }
  1850. }
  1851. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
  1852. static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
  1853. {
  1854. struct b43_phy_n *nphy = dev->phy.n;
  1855. u16 *save = nphy->tx_rx_cal_radio_saveregs;
  1856. u16 tmp;
  1857. u8 offset, i;
  1858. if (dev->phy.rev >= 3) {
  1859. for (i = 0; i < 2; i++) {
  1860. tmp = (i == 0) ? 0x2000 : 0x3000;
  1861. offset = i * 11;
  1862. save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
  1863. save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
  1864. save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
  1865. save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
  1866. save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
  1867. save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
  1868. save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
  1869. save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
  1870. save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
  1871. save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
  1872. save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
  1873. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  1874. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
  1875. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  1876. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  1877. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  1878. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  1879. if (nphy->ipa5g_on) {
  1880. b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
  1881. b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
  1882. } else {
  1883. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  1884. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
  1885. }
  1886. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  1887. } else {
  1888. b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
  1889. b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
  1890. b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
  1891. b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
  1892. b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
  1893. b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
  1894. if (nphy->ipa2g_on) {
  1895. b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
  1896. b43_radio_write16(dev, tmp | B2055_XOCTL2,
  1897. (dev->phy.rev < 5) ? 0x11 : 0x01);
  1898. } else {
  1899. b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
  1900. b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
  1901. }
  1902. }
  1903. b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
  1904. b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
  1905. b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
  1906. }
  1907. } else {
  1908. save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
  1909. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
  1910. save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
  1911. b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
  1912. save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
  1913. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
  1914. save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
  1915. b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
  1916. save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
  1917. save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
  1918. if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
  1919. B43_NPHY_BANDCTL_5GHZ)) {
  1920. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
  1921. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
  1922. } else {
  1923. b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
  1924. b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
  1925. }
  1926. if (dev->phy.rev < 2) {
  1927. b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
  1928. b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
  1929. } else {
  1930. b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
  1931. b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
  1932. }
  1933. }
  1934. }
  1935. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
  1936. static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
  1937. struct nphy_txgains target,
  1938. struct nphy_iqcal_params *params)
  1939. {
  1940. int i, j, indx;
  1941. u16 gain;
  1942. if (dev->phy.rev >= 3) {
  1943. params->txgm = target.txgm[core];
  1944. params->pga = target.pga[core];
  1945. params->pad = target.pad[core];
  1946. params->ipa = target.ipa[core];
  1947. params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
  1948. (params->pad << 4) | (params->ipa);
  1949. for (j = 0; j < 5; j++)
  1950. params->ncorr[j] = 0x79;
  1951. } else {
  1952. gain = (target.pad[core]) | (target.pga[core] << 4) |
  1953. (target.txgm[core] << 8);
  1954. indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
  1955. 1 : 0;
  1956. for (i = 0; i < 9; i++)
  1957. if (tbl_iqcal_gainparams[indx][i][0] == gain)
  1958. break;
  1959. i = min(i, 8);
  1960. params->txgm = tbl_iqcal_gainparams[indx][i][1];
  1961. params->pga = tbl_iqcal_gainparams[indx][i][2];
  1962. params->pad = tbl_iqcal_gainparams[indx][i][3];
  1963. params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
  1964. (params->pad << 2);
  1965. for (j = 0; j < 4; j++)
  1966. params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
  1967. }
  1968. }
  1969. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
  1970. static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
  1971. {
  1972. struct b43_phy_n *nphy = dev->phy.n;
  1973. int i;
  1974. u16 scale, entry;
  1975. u16 tmp = nphy->txcal_bbmult;
  1976. if (core == 0)
  1977. tmp >>= 8;
  1978. tmp &= 0xff;
  1979. for (i = 0; i < 18; i++) {
  1980. scale = (ladder_lo[i].percent * tmp) / 100;
  1981. entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
  1982. b43_ntab_write(dev, B43_NTAB16(15, i), entry);
  1983. scale = (ladder_iq[i].percent * tmp) / 100;
  1984. entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
  1985. b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
  1986. }
  1987. }
  1988. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
  1989. static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
  1990. {
  1991. int i;
  1992. for (i = 0; i < 15; i++)
  1993. b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
  1994. tbl_tx_filter_coef_rev4[2][i]);
  1995. }
  1996. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
  1997. static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
  1998. {
  1999. int i, j;
  2000. /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
  2001. u16 offset[] = { 0x186, 0x195, 0x2C5 };
  2002. for (i = 0; i < 3; i++)
  2003. for (j = 0; j < 15; j++)
  2004. b43_phy_write(dev, B43_PHY_N(offset[i] + j),
  2005. tbl_tx_filter_coef_rev4[i][j]);
  2006. if (dev->phy.is_40mhz) {
  2007. for (j = 0; j < 15; j++)
  2008. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2009. tbl_tx_filter_coef_rev4[3][j]);
  2010. } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  2011. for (j = 0; j < 15; j++)
  2012. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2013. tbl_tx_filter_coef_rev4[5][j]);
  2014. }
  2015. if (dev->phy.channel == 14)
  2016. for (j = 0; j < 15; j++)
  2017. b43_phy_write(dev, B43_PHY_N(offset[0] + j),
  2018. tbl_tx_filter_coef_rev4[6][j]);
  2019. }
  2020. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
  2021. static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
  2022. {
  2023. struct b43_phy_n *nphy = dev->phy.n;
  2024. u16 curr_gain[2];
  2025. struct nphy_txgains target;
  2026. const u32 *table = NULL;
  2027. if (nphy->txpwrctrl == 0) {
  2028. int i;
  2029. if (nphy->hang_avoid)
  2030. b43_nphy_stay_in_carrier_search(dev, true);
  2031. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
  2032. if (nphy->hang_avoid)
  2033. b43_nphy_stay_in_carrier_search(dev, false);
  2034. for (i = 0; i < 2; ++i) {
  2035. if (dev->phy.rev >= 3) {
  2036. target.ipa[i] = curr_gain[i] & 0x000F;
  2037. target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
  2038. target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
  2039. target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
  2040. } else {
  2041. target.ipa[i] = curr_gain[i] & 0x0003;
  2042. target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
  2043. target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
  2044. target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
  2045. }
  2046. }
  2047. } else {
  2048. int i;
  2049. u16 index[2];
  2050. index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
  2051. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2052. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2053. index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
  2054. B43_NPHY_TXPCTL_STAT_BIDX) >>
  2055. B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
  2056. for (i = 0; i < 2; ++i) {
  2057. if (dev->phy.rev >= 3) {
  2058. enum ieee80211_band band =
  2059. b43_current_band(dev->wl);
  2060. if ((nphy->ipa2g_on &&
  2061. band == IEEE80211_BAND_2GHZ) ||
  2062. (nphy->ipa5g_on &&
  2063. band == IEEE80211_BAND_5GHZ)) {
  2064. table = b43_nphy_get_ipa_gain_table(dev);
  2065. } else {
  2066. if (band == IEEE80211_BAND_5GHZ) {
  2067. if (dev->phy.rev == 3)
  2068. table = b43_ntab_tx_gain_rev3_5ghz;
  2069. else if (dev->phy.rev == 4)
  2070. table = b43_ntab_tx_gain_rev4_5ghz;
  2071. else
  2072. table = b43_ntab_tx_gain_rev5plus_5ghz;
  2073. } else {
  2074. table = b43_ntab_tx_gain_rev3plus_2ghz;
  2075. }
  2076. }
  2077. target.ipa[i] = (table[index[i]] >> 16) & 0xF;
  2078. target.pad[i] = (table[index[i]] >> 20) & 0xF;
  2079. target.pga[i] = (table[index[i]] >> 24) & 0xF;
  2080. target.txgm[i] = (table[index[i]] >> 28) & 0xF;
  2081. } else {
  2082. table = b43_ntab_tx_gain_rev0_1_2;
  2083. target.ipa[i] = (table[index[i]] >> 16) & 0x3;
  2084. target.pad[i] = (table[index[i]] >> 18) & 0x3;
  2085. target.pga[i] = (table[index[i]] >> 20) & 0x7;
  2086. target.txgm[i] = (table[index[i]] >> 23) & 0x7;
  2087. }
  2088. }
  2089. }
  2090. return target;
  2091. }
  2092. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
  2093. static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
  2094. {
  2095. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2096. if (dev->phy.rev >= 3) {
  2097. b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
  2098. b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
  2099. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
  2100. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
  2101. b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
  2102. b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
  2103. b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
  2104. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
  2105. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
  2106. b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
  2107. b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
  2108. b43_nphy_reset_cca(dev);
  2109. } else {
  2110. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
  2111. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
  2112. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
  2113. b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
  2114. b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
  2115. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
  2116. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
  2117. }
  2118. }
  2119. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
  2120. static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
  2121. {
  2122. u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
  2123. u16 tmp;
  2124. regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
  2125. regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
  2126. if (dev->phy.rev >= 3) {
  2127. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
  2128. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
  2129. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
  2130. regs[2] = tmp;
  2131. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
  2132. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2133. regs[3] = tmp;
  2134. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
  2135. regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
  2136. b43_phy_mask(dev, B43_NPHY_BBCFG, (u16)~B43_NPHY_BBCFG_RSTRX);
  2137. tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
  2138. regs[5] = tmp;
  2139. b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
  2140. tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
  2141. regs[6] = tmp;
  2142. b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
  2143. regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2144. regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2145. b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
  2146. b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
  2147. b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
  2148. regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
  2149. regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
  2150. b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
  2151. b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
  2152. } else {
  2153. b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
  2154. b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
  2155. tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2156. regs[2] = tmp;
  2157. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
  2158. tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
  2159. regs[3] = tmp;
  2160. tmp |= 0x2000;
  2161. b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
  2162. tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
  2163. regs[4] = tmp;
  2164. tmp |= 0x2000;
  2165. b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
  2166. regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
  2167. regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
  2168. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  2169. tmp = 0x0180;
  2170. else
  2171. tmp = 0x0120;
  2172. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
  2173. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
  2174. }
  2175. }
  2176. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
  2177. static void b43_nphy_save_cal(struct b43_wldev *dev)
  2178. {
  2179. struct b43_phy_n *nphy = dev->phy.n;
  2180. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  2181. u16 *txcal_radio_regs = NULL;
  2182. struct b43_chanspec *iqcal_chanspec;
  2183. u16 *table = NULL;
  2184. if (nphy->hang_avoid)
  2185. b43_nphy_stay_in_carrier_search(dev, 1);
  2186. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2187. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  2188. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  2189. iqcal_chanspec = &nphy->iqcal_chanspec_2G;
  2190. table = nphy->cal_cache.txcal_coeffs_2G;
  2191. } else {
  2192. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  2193. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  2194. iqcal_chanspec = &nphy->iqcal_chanspec_5G;
  2195. table = nphy->cal_cache.txcal_coeffs_5G;
  2196. }
  2197. b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
  2198. /* TODO use some definitions */
  2199. if (dev->phy.rev >= 3) {
  2200. txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
  2201. txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
  2202. txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
  2203. txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
  2204. txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
  2205. txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
  2206. txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
  2207. txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
  2208. } else {
  2209. txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
  2210. txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
  2211. txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
  2212. txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
  2213. }
  2214. *iqcal_chanspec = nphy->radio_chanspec;
  2215. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 8, table);
  2216. if (nphy->hang_avoid)
  2217. b43_nphy_stay_in_carrier_search(dev, 0);
  2218. }
  2219. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
  2220. static void b43_nphy_restore_cal(struct b43_wldev *dev)
  2221. {
  2222. struct b43_phy_n *nphy = dev->phy.n;
  2223. u16 coef[4];
  2224. u16 *loft = NULL;
  2225. u16 *table = NULL;
  2226. int i;
  2227. u16 *txcal_radio_regs = NULL;
  2228. struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
  2229. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2230. if (b43_empty_chanspec(&nphy->iqcal_chanspec_2G))
  2231. return;
  2232. table = nphy->cal_cache.txcal_coeffs_2G;
  2233. loft = &nphy->cal_cache.txcal_coeffs_2G[5];
  2234. } else {
  2235. if (b43_empty_chanspec(&nphy->iqcal_chanspec_5G))
  2236. return;
  2237. table = nphy->cal_cache.txcal_coeffs_5G;
  2238. loft = &nphy->cal_cache.txcal_coeffs_5G[5];
  2239. }
  2240. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
  2241. for (i = 0; i < 4; i++) {
  2242. if (dev->phy.rev >= 3)
  2243. table[i] = coef[i];
  2244. else
  2245. coef[i] = 0;
  2246. }
  2247. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
  2248. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
  2249. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
  2250. if (dev->phy.rev < 2)
  2251. b43_nphy_tx_iq_workaround(dev);
  2252. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  2253. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
  2254. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
  2255. } else {
  2256. txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
  2257. rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
  2258. }
  2259. /* TODO use some definitions */
  2260. if (dev->phy.rev >= 3) {
  2261. b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
  2262. b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
  2263. b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
  2264. b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
  2265. b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
  2266. b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
  2267. b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
  2268. b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
  2269. } else {
  2270. b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
  2271. b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
  2272. b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
  2273. b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
  2274. }
  2275. b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
  2276. }
  2277. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
  2278. static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
  2279. struct nphy_txgains target,
  2280. bool full, bool mphase)
  2281. {
  2282. struct b43_phy_n *nphy = dev->phy.n;
  2283. int i;
  2284. int error = 0;
  2285. int freq;
  2286. bool avoid = false;
  2287. u8 length;
  2288. u16 tmp, core, type, count, max, numb, last, cmd;
  2289. const u16 *table;
  2290. bool phy6or5x;
  2291. u16 buffer[11];
  2292. u16 diq_start = 0;
  2293. u16 save[2];
  2294. u16 gain[2];
  2295. struct nphy_iqcal_params params[2];
  2296. bool updated[2] = { };
  2297. b43_nphy_stay_in_carrier_search(dev, true);
  2298. if (dev->phy.rev >= 4) {
  2299. avoid = nphy->hang_avoid;
  2300. nphy->hang_avoid = 0;
  2301. }
  2302. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  2303. for (i = 0; i < 2; i++) {
  2304. b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
  2305. gain[i] = params[i].cal_gain;
  2306. }
  2307. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
  2308. b43_nphy_tx_cal_radio_setup(dev);
  2309. b43_nphy_tx_cal_phy_setup(dev);
  2310. phy6or5x = dev->phy.rev >= 6 ||
  2311. (dev->phy.rev == 5 && nphy->ipa2g_on &&
  2312. b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
  2313. if (phy6or5x) {
  2314. if (dev->phy.is_40mhz) {
  2315. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  2316. tbl_tx_iqlo_cal_loft_ladder_40);
  2317. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  2318. tbl_tx_iqlo_cal_iqimb_ladder_40);
  2319. } else {
  2320. b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
  2321. tbl_tx_iqlo_cal_loft_ladder_20);
  2322. b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
  2323. tbl_tx_iqlo_cal_iqimb_ladder_20);
  2324. }
  2325. }
  2326. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
  2327. if (!dev->phy.is_40mhz)
  2328. freq = 2500;
  2329. else
  2330. freq = 5000;
  2331. if (nphy->mphase_cal_phase_id > 2)
  2332. b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
  2333. 0xFFFF, 0, true, false);
  2334. else
  2335. error = b43_nphy_tx_tone(dev, freq, 250, true, false);
  2336. if (error == 0) {
  2337. if (nphy->mphase_cal_phase_id > 2) {
  2338. table = nphy->mphase_txcal_bestcoeffs;
  2339. length = 11;
  2340. if (dev->phy.rev < 3)
  2341. length -= 2;
  2342. } else {
  2343. if (!full && nphy->txiqlocal_coeffsvalid) {
  2344. table = nphy->txiqlocal_bestc;
  2345. length = 11;
  2346. if (dev->phy.rev < 3)
  2347. length -= 2;
  2348. } else {
  2349. full = true;
  2350. if (dev->phy.rev >= 3) {
  2351. table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
  2352. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
  2353. } else {
  2354. table = tbl_tx_iqlo_cal_startcoefs;
  2355. length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
  2356. }
  2357. }
  2358. }
  2359. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
  2360. if (full) {
  2361. if (dev->phy.rev >= 3)
  2362. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
  2363. else
  2364. max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
  2365. } else {
  2366. if (dev->phy.rev >= 3)
  2367. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
  2368. else
  2369. max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
  2370. }
  2371. if (mphase) {
  2372. count = nphy->mphase_txcal_cmdidx;
  2373. numb = min(max,
  2374. (u16)(count + nphy->mphase_txcal_numcmds));
  2375. } else {
  2376. count = 0;
  2377. numb = max;
  2378. }
  2379. for (; count < numb; count++) {
  2380. if (full) {
  2381. if (dev->phy.rev >= 3)
  2382. cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
  2383. else
  2384. cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
  2385. } else {
  2386. if (dev->phy.rev >= 3)
  2387. cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
  2388. else
  2389. cmd = tbl_tx_iqlo_cal_cmds_recal[count];
  2390. }
  2391. core = (cmd & 0x3000) >> 12;
  2392. type = (cmd & 0x0F00) >> 8;
  2393. if (phy6or5x && updated[core] == 0) {
  2394. b43_nphy_update_tx_cal_ladder(dev, core);
  2395. updated[core] = 1;
  2396. }
  2397. tmp = (params[core].ncorr[type] << 8) | 0x66;
  2398. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
  2399. if (type == 1 || type == 3 || type == 4) {
  2400. buffer[0] = b43_ntab_read(dev,
  2401. B43_NTAB16(15, 69 + core));
  2402. diq_start = buffer[0];
  2403. buffer[0] = 0;
  2404. b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
  2405. 0);
  2406. }
  2407. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
  2408. for (i = 0; i < 2000; i++) {
  2409. tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
  2410. if (tmp & 0xC000)
  2411. break;
  2412. udelay(10);
  2413. }
  2414. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2415. buffer);
  2416. b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
  2417. buffer);
  2418. if (type == 1 || type == 3 || type == 4)
  2419. buffer[0] = diq_start;
  2420. }
  2421. if (mphase)
  2422. nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
  2423. last = (dev->phy.rev < 3) ? 6 : 7;
  2424. if (!mphase || nphy->mphase_cal_phase_id == last) {
  2425. b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
  2426. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
  2427. if (dev->phy.rev < 3) {
  2428. buffer[0] = 0;
  2429. buffer[1] = 0;
  2430. buffer[2] = 0;
  2431. buffer[3] = 0;
  2432. }
  2433. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  2434. buffer);
  2435. b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
  2436. buffer);
  2437. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  2438. buffer);
  2439. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  2440. buffer);
  2441. length = 11;
  2442. if (dev->phy.rev < 3)
  2443. length -= 2;
  2444. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2445. nphy->txiqlocal_bestc);
  2446. nphy->txiqlocal_coeffsvalid = true;
  2447. nphy->txiqlocal_chanspec = nphy->radio_chanspec;
  2448. } else {
  2449. length = 11;
  2450. if (dev->phy.rev < 3)
  2451. length -= 2;
  2452. b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
  2453. nphy->mphase_txcal_bestcoeffs);
  2454. }
  2455. b43_nphy_stop_playback(dev);
  2456. b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
  2457. }
  2458. b43_nphy_tx_cal_phy_cleanup(dev);
  2459. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
  2460. if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
  2461. b43_nphy_tx_iq_workaround(dev);
  2462. if (dev->phy.rev >= 4)
  2463. nphy->hang_avoid = avoid;
  2464. b43_nphy_stay_in_carrier_search(dev, false);
  2465. return error;
  2466. }
  2467. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
  2468. static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
  2469. {
  2470. struct b43_phy_n *nphy = dev->phy.n;
  2471. u8 i;
  2472. u16 buffer[7];
  2473. bool equal = true;
  2474. if (!nphy->txiqlocal_coeffsvalid ||
  2475. b43_eq_chanspecs(&nphy->txiqlocal_chanspec, &nphy->radio_chanspec))
  2476. return;
  2477. b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
  2478. for (i = 0; i < 4; i++) {
  2479. if (buffer[i] != nphy->txiqlocal_bestc[i]) {
  2480. equal = false;
  2481. break;
  2482. }
  2483. }
  2484. if (!equal) {
  2485. b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
  2486. nphy->txiqlocal_bestc);
  2487. for (i = 0; i < 4; i++)
  2488. buffer[i] = 0;
  2489. b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
  2490. buffer);
  2491. b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
  2492. &nphy->txiqlocal_bestc[5]);
  2493. b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
  2494. &nphy->txiqlocal_bestc[5]);
  2495. }
  2496. }
  2497. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
  2498. static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
  2499. struct nphy_txgains target, u8 type, bool debug)
  2500. {
  2501. struct b43_phy_n *nphy = dev->phy.n;
  2502. int i, j, index;
  2503. u8 rfctl[2];
  2504. u8 afectl_core;
  2505. u16 tmp[6];
  2506. u16 cur_hpf1, cur_hpf2, cur_lna;
  2507. u32 real, imag;
  2508. enum ieee80211_band band;
  2509. u8 use;
  2510. u16 cur_hpf;
  2511. u16 lna[3] = { 3, 3, 1 };
  2512. u16 hpf1[3] = { 7, 2, 0 };
  2513. u16 hpf2[3] = { 2, 0, 0 };
  2514. u32 power[3] = { };
  2515. u16 gain_save[2];
  2516. u16 cal_gain[2];
  2517. struct nphy_iqcal_params cal_params[2];
  2518. struct nphy_iq_est est;
  2519. int ret = 0;
  2520. bool playtone = true;
  2521. int desired = 13;
  2522. b43_nphy_stay_in_carrier_search(dev, 1);
  2523. if (dev->phy.rev < 2)
  2524. b43_nphy_reapply_tx_cal_coeffs(dev);
  2525. b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  2526. for (i = 0; i < 2; i++) {
  2527. b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
  2528. cal_gain[i] = cal_params[i].cal_gain;
  2529. }
  2530. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
  2531. for (i = 0; i < 2; i++) {
  2532. if (i == 0) {
  2533. rfctl[0] = B43_NPHY_RFCTL_INTC1;
  2534. rfctl[1] = B43_NPHY_RFCTL_INTC2;
  2535. afectl_core = B43_NPHY_AFECTL_C1;
  2536. } else {
  2537. rfctl[0] = B43_NPHY_RFCTL_INTC2;
  2538. rfctl[1] = B43_NPHY_RFCTL_INTC1;
  2539. afectl_core = B43_NPHY_AFECTL_C2;
  2540. }
  2541. tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
  2542. tmp[2] = b43_phy_read(dev, afectl_core);
  2543. tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
  2544. tmp[4] = b43_phy_read(dev, rfctl[0]);
  2545. tmp[5] = b43_phy_read(dev, rfctl[1]);
  2546. b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
  2547. (u16)~B43_NPHY_RFSEQCA_RXDIS,
  2548. ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
  2549. b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
  2550. (1 - i));
  2551. b43_phy_set(dev, afectl_core, 0x0006);
  2552. b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
  2553. band = b43_current_band(dev->wl);
  2554. if (nphy->rxcalparams & 0xFF000000) {
  2555. if (band == IEEE80211_BAND_5GHZ)
  2556. b43_phy_write(dev, rfctl[0], 0x140);
  2557. else
  2558. b43_phy_write(dev, rfctl[0], 0x110);
  2559. } else {
  2560. if (band == IEEE80211_BAND_5GHZ)
  2561. b43_phy_write(dev, rfctl[0], 0x180);
  2562. else
  2563. b43_phy_write(dev, rfctl[0], 0x120);
  2564. }
  2565. if (band == IEEE80211_BAND_5GHZ)
  2566. b43_phy_write(dev, rfctl[1], 0x148);
  2567. else
  2568. b43_phy_write(dev, rfctl[1], 0x114);
  2569. if (nphy->rxcalparams & 0x10000) {
  2570. b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
  2571. (i + 1));
  2572. b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
  2573. (2 - i));
  2574. }
  2575. for (j = 0; i < 4; j++) {
  2576. if (j < 3) {
  2577. cur_lna = lna[j];
  2578. cur_hpf1 = hpf1[j];
  2579. cur_hpf2 = hpf2[j];
  2580. } else {
  2581. if (power[1] > 10000) {
  2582. use = 1;
  2583. cur_hpf = cur_hpf1;
  2584. index = 2;
  2585. } else {
  2586. if (power[0] > 10000) {
  2587. use = 1;
  2588. cur_hpf = cur_hpf1;
  2589. index = 1;
  2590. } else {
  2591. index = 0;
  2592. use = 2;
  2593. cur_hpf = cur_hpf2;
  2594. }
  2595. }
  2596. cur_lna = lna[index];
  2597. cur_hpf1 = hpf1[index];
  2598. cur_hpf2 = hpf2[index];
  2599. cur_hpf += desired - hweight32(power[index]);
  2600. cur_hpf = clamp_val(cur_hpf, 0, 10);
  2601. if (use == 1)
  2602. cur_hpf1 = cur_hpf;
  2603. else
  2604. cur_hpf2 = cur_hpf;
  2605. }
  2606. tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
  2607. (cur_lna << 2));
  2608. b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
  2609. false);
  2610. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2611. b43_nphy_stop_playback(dev);
  2612. if (playtone) {
  2613. ret = b43_nphy_tx_tone(dev, 4000,
  2614. (nphy->rxcalparams & 0xFFFF),
  2615. false, false);
  2616. playtone = false;
  2617. } else {
  2618. b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
  2619. false, false);
  2620. }
  2621. if (ret == 0) {
  2622. if (j < 3) {
  2623. b43_nphy_rx_iq_est(dev, &est, 1024, 32,
  2624. false);
  2625. if (i == 0) {
  2626. real = est.i0_pwr;
  2627. imag = est.q0_pwr;
  2628. } else {
  2629. real = est.i1_pwr;
  2630. imag = est.q1_pwr;
  2631. }
  2632. power[i] = ((real + imag) / 1024) + 1;
  2633. } else {
  2634. b43_nphy_calc_rx_iq_comp(dev, 1 << i);
  2635. }
  2636. b43_nphy_stop_playback(dev);
  2637. }
  2638. if (ret != 0)
  2639. break;
  2640. }
  2641. b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
  2642. b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
  2643. b43_phy_write(dev, rfctl[1], tmp[5]);
  2644. b43_phy_write(dev, rfctl[0], tmp[4]);
  2645. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
  2646. b43_phy_write(dev, afectl_core, tmp[2]);
  2647. b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
  2648. if (ret != 0)
  2649. break;
  2650. }
  2651. b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
  2652. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2653. b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
  2654. b43_nphy_stay_in_carrier_search(dev, 0);
  2655. return ret;
  2656. }
  2657. static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
  2658. struct nphy_txgains target, u8 type, bool debug)
  2659. {
  2660. return -1;
  2661. }
  2662. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
  2663. static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
  2664. struct nphy_txgains target, u8 type, bool debug)
  2665. {
  2666. if (dev->phy.rev >= 3)
  2667. return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
  2668. else
  2669. return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
  2670. }
  2671. /*
  2672. * Init N-PHY
  2673. * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
  2674. */
  2675. int b43_phy_initn(struct b43_wldev *dev)
  2676. {
  2677. struct ssb_bus *bus = dev->dev->bus;
  2678. struct b43_phy *phy = &dev->phy;
  2679. struct b43_phy_n *nphy = phy->n;
  2680. u8 tx_pwr_state;
  2681. struct nphy_txgains target;
  2682. u16 tmp;
  2683. enum ieee80211_band tmp2;
  2684. bool do_rssi_cal;
  2685. u16 clip[2];
  2686. bool do_cal = false;
  2687. if ((dev->phy.rev >= 3) &&
  2688. (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) &&
  2689. (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
  2690. chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40);
  2691. }
  2692. nphy->deaf_count = 0;
  2693. b43_nphy_tables_init(dev);
  2694. nphy->crsminpwr_adjusted = false;
  2695. nphy->noisevars_adjusted = false;
  2696. /* Clear all overrides */
  2697. if (dev->phy.rev >= 3) {
  2698. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
  2699. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  2700. b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
  2701. b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
  2702. } else {
  2703. b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
  2704. }
  2705. b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
  2706. b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
  2707. if (dev->phy.rev < 6) {
  2708. b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
  2709. b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
  2710. }
  2711. b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
  2712. ~(B43_NPHY_RFSEQMODE_CAOVER |
  2713. B43_NPHY_RFSEQMODE_TROVER));
  2714. if (dev->phy.rev >= 3)
  2715. b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
  2716. b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
  2717. if (dev->phy.rev <= 2) {
  2718. tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
  2719. b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
  2720. ~B43_NPHY_BPHY_CTL3_SCALE,
  2721. tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
  2722. }
  2723. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
  2724. b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
  2725. if (bus->sprom.boardflags2_lo & 0x100 ||
  2726. (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
  2727. bus->boardinfo.type == 0x8B))
  2728. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
  2729. else
  2730. b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
  2731. b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
  2732. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
  2733. b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
  2734. b43_nphy_update_mimo_config(dev, nphy->preamble_override);
  2735. b43_nphy_update_txrx_chain(dev);
  2736. if (phy->rev < 2) {
  2737. b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
  2738. b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
  2739. }
  2740. tmp2 = b43_current_band(dev->wl);
  2741. if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) ||
  2742. (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) {
  2743. b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
  2744. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
  2745. nphy->papd_epsilon_offset[0] << 7);
  2746. b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
  2747. b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
  2748. nphy->papd_epsilon_offset[1] << 7);
  2749. b43_nphy_int_pa_set_tx_dig_filters(dev);
  2750. } else if (phy->rev >= 5) {
  2751. b43_nphy_ext_pa_set_tx_dig_filters(dev);
  2752. }
  2753. b43_nphy_workarounds(dev);
  2754. /* Reset CCA, in init code it differs a little from standard way */
  2755. b43_nphy_bmac_clock_fgc(dev, 1);
  2756. tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
  2757. b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
  2758. b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
  2759. b43_nphy_bmac_clock_fgc(dev, 0);
  2760. /* TODO N PHY MAC PHY Clock Set with argument 1 */
  2761. b43_nphy_pa_override(dev, false);
  2762. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
  2763. b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
  2764. b43_nphy_pa_override(dev, true);
  2765. b43_nphy_classifier(dev, 0, 0);
  2766. b43_nphy_read_clip_detection(dev, clip);
  2767. tx_pwr_state = nphy->txpwrctrl;
  2768. /* TODO N PHY TX power control with argument 0
  2769. (turning off power control) */
  2770. /* TODO Fix the TX Power Settings */
  2771. /* TODO N PHY TX Power Control Idle TSSI */
  2772. /* TODO N PHY TX Power Control Setup */
  2773. if (phy->rev >= 3) {
  2774. /* TODO */
  2775. } else {
  2776. b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128,
  2777. b43_ntab_tx_gain_rev0_1_2);
  2778. b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128,
  2779. b43_ntab_tx_gain_rev0_1_2);
  2780. }
  2781. if (nphy->phyrxchain != 3)
  2782. ;/* TODO N PHY RX Core Set State with phyrxchain as argument */
  2783. if (nphy->mphase_cal_phase_id > 0)
  2784. ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
  2785. do_rssi_cal = false;
  2786. if (phy->rev >= 3) {
  2787. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2788. do_rssi_cal =
  2789. b43_empty_chanspec(&nphy->rssical_chanspec_2G);
  2790. else
  2791. do_rssi_cal =
  2792. b43_empty_chanspec(&nphy->rssical_chanspec_5G);
  2793. if (do_rssi_cal)
  2794. b43_nphy_rssi_cal(dev);
  2795. else
  2796. b43_nphy_restore_rssi_cal(dev);
  2797. } else {
  2798. b43_nphy_rssi_cal(dev);
  2799. }
  2800. if (!((nphy->measure_hold & 0x6) != 0)) {
  2801. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  2802. do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_2G);
  2803. else
  2804. do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_5G);
  2805. if (nphy->mute)
  2806. do_cal = false;
  2807. if (do_cal) {
  2808. target = b43_nphy_get_tx_gains(dev);
  2809. if (nphy->antsel_type == 2)
  2810. b43_nphy_superswitch_init(dev, true);
  2811. if (nphy->perical != 2) {
  2812. b43_nphy_rssi_cal(dev);
  2813. if (phy->rev >= 3) {
  2814. nphy->cal_orig_pwr_idx[0] =
  2815. nphy->txpwrindex[0].index_internal;
  2816. nphy->cal_orig_pwr_idx[1] =
  2817. nphy->txpwrindex[1].index_internal;
  2818. /* TODO N PHY Pre Calibrate TX Gain */
  2819. target = b43_nphy_get_tx_gains(dev);
  2820. }
  2821. }
  2822. }
  2823. }
  2824. if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) {
  2825. if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
  2826. b43_nphy_save_cal(dev);
  2827. else if (nphy->mphase_cal_phase_id == 0)
  2828. ;/* N PHY Periodic Calibration with argument 3 */
  2829. } else {
  2830. b43_nphy_restore_cal(dev);
  2831. }
  2832. b43_nphy_tx_pwr_ctrl_coef_setup(dev);
  2833. /* TODO N PHY TX Power Control Enable with argument tx_pwr_state */
  2834. b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
  2835. b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
  2836. if (phy->rev >= 3 && phy->rev <= 6)
  2837. b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
  2838. b43_nphy_tx_lp_fbw(dev);
  2839. if (phy->rev >= 3)
  2840. b43_nphy_spur_workaround(dev);
  2841. b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
  2842. return 0;
  2843. }
  2844. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
  2845. static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
  2846. const struct b43_phy_n_sfo_cfg *e,
  2847. struct b43_chanspec chanspec)
  2848. {
  2849. struct b43_phy *phy = &dev->phy;
  2850. struct b43_phy_n *nphy = dev->phy.n;
  2851. u16 tmp;
  2852. u32 tmp32;
  2853. tmp = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
  2854. if (chanspec.b_freq == 1 && tmp == 0) {
  2855. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  2856. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  2857. b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
  2858. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  2859. b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
  2860. } else if (chanspec.b_freq == 1) {
  2861. b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
  2862. tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
  2863. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
  2864. b43_phy_mask(dev, B43_PHY_B_BBCFG, (u16)~0xC000);
  2865. b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
  2866. }
  2867. b43_chantab_phy_upload(dev, e);
  2868. tmp = chanspec.channel;
  2869. if (chanspec.b_freq == 1)
  2870. tmp |= 0x0100;
  2871. if (chanspec.b_width == 3)
  2872. tmp |= 0x0200;
  2873. b43_shm_write16(dev, B43_SHM_SHARED, 0xA0, tmp);
  2874. if (nphy->radio_chanspec.channel == 14) {
  2875. b43_nphy_classifier(dev, 2, 0);
  2876. b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
  2877. } else {
  2878. b43_nphy_classifier(dev, 2, 2);
  2879. if (chanspec.b_freq == 2)
  2880. b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
  2881. }
  2882. if (nphy->txpwrctrl)
  2883. b43_nphy_tx_power_fix(dev);
  2884. if (dev->phy.rev < 3)
  2885. b43_nphy_adjust_lna_gain_table(dev);
  2886. b43_nphy_tx_lp_fbw(dev);
  2887. if (dev->phy.rev >= 3 && 0) {
  2888. /* TODO */
  2889. }
  2890. b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
  2891. if (phy->rev >= 3)
  2892. b43_nphy_spur_workaround(dev);
  2893. }
  2894. /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
  2895. static int b43_nphy_set_chanspec(struct b43_wldev *dev,
  2896. struct b43_chanspec chanspec)
  2897. {
  2898. struct b43_phy_n *nphy = dev->phy.n;
  2899. const struct b43_nphy_channeltab_entry_rev2 *tabent_r2;
  2900. const struct b43_nphy_channeltab_entry_rev3 *tabent_r3;
  2901. u8 tmp;
  2902. u8 channel = chanspec.channel;
  2903. if (dev->phy.rev >= 3) {
  2904. /* TODO */
  2905. tabent_r3 = NULL;
  2906. if (!tabent_r3)
  2907. return -ESRCH;
  2908. } else {
  2909. tabent_r2 = b43_nphy_get_chantabent_rev2(dev, channel);
  2910. if (!tabent_r2)
  2911. return -ESRCH;
  2912. }
  2913. nphy->radio_chanspec = chanspec;
  2914. if (chanspec.b_width != nphy->b_width)
  2915. ; /* TODO: BMAC BW Set (chanspec.b_width) */
  2916. /* TODO: use defines */
  2917. if (chanspec.b_width == 3) {
  2918. if (chanspec.sideband == 2)
  2919. b43_phy_set(dev, B43_NPHY_RXCTL,
  2920. B43_NPHY_RXCTL_BSELU20);
  2921. else
  2922. b43_phy_mask(dev, B43_NPHY_RXCTL,
  2923. ~B43_NPHY_RXCTL_BSELU20);
  2924. }
  2925. if (dev->phy.rev >= 3) {
  2926. tmp = (chanspec.b_freq == 1) ? 4 : 0;
  2927. b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
  2928. /* TODO: PHY Radio2056 Setup (dev, tabent_r3); */
  2929. b43_nphy_chanspec_setup(dev, &(tabent_r3->phy_regs), chanspec);
  2930. } else {
  2931. tmp = (chanspec.b_freq == 1) ? 0x0020 : 0x0050;
  2932. b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
  2933. b43_radio_2055_setup(dev, tabent_r2);
  2934. b43_nphy_chanspec_setup(dev, &(tabent_r2->phy_regs), chanspec);
  2935. }
  2936. return 0;
  2937. }
  2938. /* Tune the hardware to a new channel */
  2939. static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
  2940. {
  2941. struct b43_phy_n *nphy = dev->phy.n;
  2942. struct b43_chanspec chanspec;
  2943. chanspec = nphy->radio_chanspec;
  2944. chanspec.channel = channel;
  2945. return b43_nphy_set_chanspec(dev, chanspec);
  2946. }
  2947. static int b43_nphy_op_allocate(struct b43_wldev *dev)
  2948. {
  2949. struct b43_phy_n *nphy;
  2950. nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
  2951. if (!nphy)
  2952. return -ENOMEM;
  2953. dev->phy.n = nphy;
  2954. return 0;
  2955. }
  2956. static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
  2957. {
  2958. struct b43_phy *phy = &dev->phy;
  2959. struct b43_phy_n *nphy = phy->n;
  2960. memset(nphy, 0, sizeof(*nphy));
  2961. //TODO init struct b43_phy_n
  2962. }
  2963. static void b43_nphy_op_free(struct b43_wldev *dev)
  2964. {
  2965. struct b43_phy *phy = &dev->phy;
  2966. struct b43_phy_n *nphy = phy->n;
  2967. kfree(nphy);
  2968. phy->n = NULL;
  2969. }
  2970. static int b43_nphy_op_init(struct b43_wldev *dev)
  2971. {
  2972. return b43_phy_initn(dev);
  2973. }
  2974. static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
  2975. {
  2976. #if B43_DEBUG
  2977. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  2978. /* OFDM registers are onnly available on A/G-PHYs */
  2979. b43err(dev->wl, "Invalid OFDM PHY access at "
  2980. "0x%04X on N-PHY\n", offset);
  2981. dump_stack();
  2982. }
  2983. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  2984. /* Ext-G registers are only available on G-PHYs */
  2985. b43err(dev->wl, "Invalid EXT-G PHY access at "
  2986. "0x%04X on N-PHY\n", offset);
  2987. dump_stack();
  2988. }
  2989. #endif /* B43_DEBUG */
  2990. }
  2991. static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
  2992. {
  2993. check_phyreg(dev, reg);
  2994. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  2995. return b43_read16(dev, B43_MMIO_PHY_DATA);
  2996. }
  2997. static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  2998. {
  2999. check_phyreg(dev, reg);
  3000. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  3001. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  3002. }
  3003. static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  3004. {
  3005. /* Register 1 is a 32-bit register. */
  3006. B43_WARN_ON(reg == 1);
  3007. /* N-PHY needs 0x100 for read access */
  3008. reg |= 0x100;
  3009. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  3010. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  3011. }
  3012. static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  3013. {
  3014. /* Register 1 is a 32-bit register. */
  3015. B43_WARN_ON(reg == 1);
  3016. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  3017. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  3018. }
  3019. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  3020. static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
  3021. bool blocked)
  3022. {
  3023. struct b43_phy_n *nphy = dev->phy.n;
  3024. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  3025. b43err(dev->wl, "MAC not suspended\n");
  3026. if (blocked) {
  3027. b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
  3028. ~B43_NPHY_RFCTL_CMD_CHIP0PU);
  3029. if (dev->phy.rev >= 3) {
  3030. b43_radio_mask(dev, 0x09, ~0x2);
  3031. b43_radio_write(dev, 0x204D, 0);
  3032. b43_radio_write(dev, 0x2053, 0);
  3033. b43_radio_write(dev, 0x2058, 0);
  3034. b43_radio_write(dev, 0x205E, 0);
  3035. b43_radio_mask(dev, 0x2062, ~0xF0);
  3036. b43_radio_write(dev, 0x2064, 0);
  3037. b43_radio_write(dev, 0x304D, 0);
  3038. b43_radio_write(dev, 0x3053, 0);
  3039. b43_radio_write(dev, 0x3058, 0);
  3040. b43_radio_write(dev, 0x305E, 0);
  3041. b43_radio_mask(dev, 0x3062, ~0xF0);
  3042. b43_radio_write(dev, 0x3064, 0);
  3043. }
  3044. } else {
  3045. if (dev->phy.rev >= 3) {
  3046. b43_radio_init2056(dev);
  3047. b43_nphy_set_chanspec(dev, nphy->radio_chanspec);
  3048. } else {
  3049. b43_radio_init2055(dev);
  3050. }
  3051. }
  3052. }
  3053. static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
  3054. {
  3055. b43_phy_write(dev, B43_NPHY_AFECTL_OVER,
  3056. on ? 0 : 0x7FFF);
  3057. }
  3058. static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
  3059. unsigned int new_channel)
  3060. {
  3061. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  3062. if ((new_channel < 1) || (new_channel > 14))
  3063. return -EINVAL;
  3064. } else {
  3065. if (new_channel > 200)
  3066. return -EINVAL;
  3067. }
  3068. return nphy_channel_switch(dev, new_channel);
  3069. }
  3070. static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
  3071. {
  3072. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  3073. return 1;
  3074. return 36;
  3075. }
  3076. const struct b43_phy_operations b43_phyops_n = {
  3077. .allocate = b43_nphy_op_allocate,
  3078. .free = b43_nphy_op_free,
  3079. .prepare_structs = b43_nphy_op_prepare_structs,
  3080. .init = b43_nphy_op_init,
  3081. .phy_read = b43_nphy_op_read,
  3082. .phy_write = b43_nphy_op_write,
  3083. .radio_read = b43_nphy_op_radio_read,
  3084. .radio_write = b43_nphy_op_radio_write,
  3085. .software_rfkill = b43_nphy_op_software_rfkill,
  3086. .switch_analog = b43_nphy_op_switch_analog,
  3087. .switch_channel = b43_nphy_op_switch_channel,
  3088. .get_default_chan = b43_nphy_op_get_default_chan,
  3089. .recalc_txpower = b43_nphy_op_recalc_txpower,
  3090. .adjust_txpower = b43_nphy_op_adjust_txpower,
  3091. };