phy_ht.c 24 KB

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  1. /*
  2. Broadcom B43 wireless driver
  3. IEEE 802.11n HT-PHY support
  4. Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
  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/slab.h>
  19. #include "b43.h"
  20. #include "phy_ht.h"
  21. #include "tables_phy_ht.h"
  22. #include "radio_2059.h"
  23. #include "main.h"
  24. /**************************************************
  25. * Radio 2059.
  26. **************************************************/
  27. static void b43_radio_2059_channel_setup(struct b43_wldev *dev,
  28. const struct b43_phy_ht_channeltab_e_radio2059 *e)
  29. {
  30. u8 i;
  31. u16 routing;
  32. b43_radio_write(dev, 0x16, e->radio_syn16);
  33. b43_radio_write(dev, 0x17, e->radio_syn17);
  34. b43_radio_write(dev, 0x22, e->radio_syn22);
  35. b43_radio_write(dev, 0x25, e->radio_syn25);
  36. b43_radio_write(dev, 0x27, e->radio_syn27);
  37. b43_radio_write(dev, 0x28, e->radio_syn28);
  38. b43_radio_write(dev, 0x29, e->radio_syn29);
  39. b43_radio_write(dev, 0x2c, e->radio_syn2c);
  40. b43_radio_write(dev, 0x2d, e->radio_syn2d);
  41. b43_radio_write(dev, 0x37, e->radio_syn37);
  42. b43_radio_write(dev, 0x41, e->radio_syn41);
  43. b43_radio_write(dev, 0x43, e->radio_syn43);
  44. b43_radio_write(dev, 0x47, e->radio_syn47);
  45. b43_radio_write(dev, 0x4a, e->radio_syn4a);
  46. b43_radio_write(dev, 0x58, e->radio_syn58);
  47. b43_radio_write(dev, 0x5a, e->radio_syn5a);
  48. b43_radio_write(dev, 0x6a, e->radio_syn6a);
  49. b43_radio_write(dev, 0x6d, e->radio_syn6d);
  50. b43_radio_write(dev, 0x6e, e->radio_syn6e);
  51. b43_radio_write(dev, 0x92, e->radio_syn92);
  52. b43_radio_write(dev, 0x98, e->radio_syn98);
  53. for (i = 0; i < 2; i++) {
  54. routing = i ? R2059_RXRX1 : R2059_TXRX0;
  55. b43_radio_write(dev, routing | 0x4a, e->radio_rxtx4a);
  56. b43_radio_write(dev, routing | 0x58, e->radio_rxtx58);
  57. b43_radio_write(dev, routing | 0x5a, e->radio_rxtx5a);
  58. b43_radio_write(dev, routing | 0x6a, e->radio_rxtx6a);
  59. b43_radio_write(dev, routing | 0x6d, e->radio_rxtx6d);
  60. b43_radio_write(dev, routing | 0x6e, e->radio_rxtx6e);
  61. b43_radio_write(dev, routing | 0x92, e->radio_rxtx92);
  62. b43_radio_write(dev, routing | 0x98, e->radio_rxtx98);
  63. }
  64. udelay(50);
  65. /* Calibration */
  66. b43_radio_mask(dev, 0x2b, ~0x1);
  67. b43_radio_mask(dev, 0x2e, ~0x4);
  68. b43_radio_set(dev, 0x2e, 0x4);
  69. b43_radio_set(dev, 0x2b, 0x1);
  70. udelay(300);
  71. }
  72. static void b43_radio_2059_init(struct b43_wldev *dev)
  73. {
  74. const u16 routing[] = { R2059_SYN, R2059_TXRX0, R2059_RXRX1 };
  75. const u16 radio_values[3][2] = {
  76. { 0x61, 0xE9 }, { 0x69, 0xD5 }, { 0x73, 0x99 },
  77. };
  78. u16 i, j;
  79. b43_radio_write(dev, R2059_ALL | 0x51, 0x0070);
  80. b43_radio_write(dev, R2059_ALL | 0x5a, 0x0003);
  81. for (i = 0; i < ARRAY_SIZE(routing); i++)
  82. b43_radio_set(dev, routing[i] | 0x146, 0x3);
  83. b43_radio_set(dev, 0x2e, 0x0078);
  84. b43_radio_set(dev, 0xc0, 0x0080);
  85. msleep(2);
  86. b43_radio_mask(dev, 0x2e, ~0x0078);
  87. b43_radio_mask(dev, 0xc0, ~0x0080);
  88. if (1) { /* FIXME */
  89. b43_radio_set(dev, R2059_RXRX1 | 0x4, 0x1);
  90. udelay(10);
  91. b43_radio_set(dev, R2059_RXRX1 | 0x0BF, 0x1);
  92. b43_radio_maskset(dev, R2059_RXRX1 | 0x19B, 0x3, 0x2);
  93. b43_radio_set(dev, R2059_RXRX1 | 0x4, 0x2);
  94. udelay(100);
  95. b43_radio_mask(dev, R2059_RXRX1 | 0x4, ~0x2);
  96. for (i = 0; i < 10000; i++) {
  97. if (b43_radio_read(dev, R2059_RXRX1 | 0x145) & 1) {
  98. i = 0;
  99. break;
  100. }
  101. udelay(100);
  102. }
  103. if (i)
  104. b43err(dev->wl, "radio 0x945 timeout\n");
  105. b43_radio_mask(dev, R2059_RXRX1 | 0x4, ~0x1);
  106. b43_radio_set(dev, 0xa, 0x60);
  107. for (i = 0; i < 3; i++) {
  108. b43_radio_write(dev, 0x17F, radio_values[i][0]);
  109. b43_radio_write(dev, 0x13D, 0x6E);
  110. b43_radio_write(dev, 0x13E, radio_values[i][1]);
  111. b43_radio_write(dev, 0x13C, 0x55);
  112. for (j = 0; j < 10000; j++) {
  113. if (b43_radio_read(dev, 0x140) & 2) {
  114. j = 0;
  115. break;
  116. }
  117. udelay(500);
  118. }
  119. if (j)
  120. b43err(dev->wl, "radio 0x140 timeout\n");
  121. b43_radio_write(dev, 0x13C, 0x15);
  122. }
  123. b43_radio_mask(dev, 0x17F, ~0x1);
  124. }
  125. b43_radio_mask(dev, 0x11, ~0x0008);
  126. }
  127. /**************************************************
  128. * RF
  129. **************************************************/
  130. static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq)
  131. {
  132. u8 i;
  133. u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE);
  134. b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3);
  135. b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq);
  136. for (i = 0; i < 200; i++) {
  137. if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) {
  138. i = 0;
  139. break;
  140. }
  141. msleep(1);
  142. }
  143. if (i)
  144. b43err(dev->wl, "Forcing RF sequence timeout\n");
  145. b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode);
  146. }
  147. static void b43_phy_ht_pa_override(struct b43_wldev *dev, bool enable)
  148. {
  149. struct b43_phy_ht *htphy = dev->phy.ht;
  150. static const u16 regs[3] = { B43_PHY_HT_RF_CTL_INT_C1,
  151. B43_PHY_HT_RF_CTL_INT_C2,
  152. B43_PHY_HT_RF_CTL_INT_C3 };
  153. int i;
  154. if (enable) {
  155. for (i = 0; i < 3; i++)
  156. b43_phy_write(dev, regs[i], htphy->rf_ctl_int_save[i]);
  157. } else {
  158. for (i = 0; i < 3; i++)
  159. htphy->rf_ctl_int_save[i] = b43_phy_read(dev, regs[i]);
  160. /* TODO: Does 5GHz band use different value (not 0x0400)? */
  161. for (i = 0; i < 3; i++)
  162. b43_phy_write(dev, regs[i], 0x0400);
  163. }
  164. }
  165. /**************************************************
  166. * Various PHY ops
  167. **************************************************/
  168. static u16 b43_phy_ht_classifier(struct b43_wldev *dev, u16 mask, u16 val)
  169. {
  170. u16 tmp;
  171. u16 allowed = B43_PHY_HT_CLASS_CTL_CCK_EN |
  172. B43_PHY_HT_CLASS_CTL_OFDM_EN |
  173. B43_PHY_HT_CLASS_CTL_WAITED_EN;
  174. tmp = b43_phy_read(dev, B43_PHY_HT_CLASS_CTL);
  175. tmp &= allowed;
  176. tmp &= ~mask;
  177. tmp |= (val & mask);
  178. b43_phy_maskset(dev, B43_PHY_HT_CLASS_CTL, ~allowed, tmp);
  179. return tmp;
  180. }
  181. static void b43_phy_ht_reset_cca(struct b43_wldev *dev)
  182. {
  183. u16 bbcfg;
  184. b43_phy_force_clock(dev, true);
  185. bbcfg = b43_phy_read(dev, B43_PHY_HT_BBCFG);
  186. b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg | B43_PHY_HT_BBCFG_RSTCCA);
  187. udelay(1);
  188. b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg & ~B43_PHY_HT_BBCFG_RSTCCA);
  189. b43_phy_force_clock(dev, false);
  190. b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX);
  191. }
  192. static void b43_phy_ht_zero_extg(struct b43_wldev *dev)
  193. {
  194. u8 i, j;
  195. u16 base[] = { 0x40, 0x60, 0x80 };
  196. for (i = 0; i < ARRAY_SIZE(base); i++) {
  197. for (j = 0; j < 4; j++)
  198. b43_phy_write(dev, B43_PHY_EXTG(base[i] + j), 0);
  199. }
  200. for (i = 0; i < ARRAY_SIZE(base); i++)
  201. b43_phy_write(dev, B43_PHY_EXTG(base[i] + 0xc), 0);
  202. }
  203. /* Some unknown AFE (Analog Frondned) op */
  204. static void b43_phy_ht_afe_unk1(struct b43_wldev *dev)
  205. {
  206. u8 i;
  207. static const u16 ctl_regs[3][2] = {
  208. { B43_PHY_HT_AFE_C1_OVER, B43_PHY_HT_AFE_C1 },
  209. { B43_PHY_HT_AFE_C2_OVER, B43_PHY_HT_AFE_C2 },
  210. { B43_PHY_HT_AFE_C3_OVER, B43_PHY_HT_AFE_C3},
  211. };
  212. for (i = 0; i < 3; i++) {
  213. /* TODO: verify masks&sets */
  214. b43_phy_set(dev, ctl_regs[i][1], 0x4);
  215. b43_phy_set(dev, ctl_regs[i][0], 0x4);
  216. b43_phy_mask(dev, ctl_regs[i][1], ~0x1);
  217. b43_phy_set(dev, ctl_regs[i][0], 0x1);
  218. b43_httab_write(dev, B43_HTTAB16(8, 5 + (i * 0x10)), 0);
  219. b43_phy_mask(dev, ctl_regs[i][0], ~0x4);
  220. }
  221. }
  222. static void b43_phy_ht_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
  223. {
  224. clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES);
  225. clip_st[1] = b43_phy_read(dev, B43_PHY_HT_C2_CLIP1THRES);
  226. clip_st[2] = b43_phy_read(dev, B43_PHY_HT_C3_CLIP1THRES);
  227. }
  228. static void b43_phy_ht_bphy_init(struct b43_wldev *dev)
  229. {
  230. unsigned int i;
  231. u16 val;
  232. val = 0x1E1F;
  233. for (i = 0; i < 16; i++) {
  234. b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
  235. val -= 0x202;
  236. }
  237. val = 0x3E3F;
  238. for (i = 0; i < 16; i++) {
  239. b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
  240. val -= 0x202;
  241. }
  242. b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
  243. }
  244. /**************************************************
  245. * Samples
  246. **************************************************/
  247. #if 0
  248. static void b43_phy_ht_stop_playback(struct b43_wldev *dev)
  249. {
  250. struct b43_phy_ht *phy_ht = dev->phy.ht;
  251. u16 tmp;
  252. int i;
  253. tmp = b43_phy_read(dev, B43_PHY_HT_SAMP_STAT);
  254. if (tmp & 0x1)
  255. b43_phy_set(dev, B43_PHY_HT_SAMP_CMD, B43_PHY_HT_SAMP_CMD_STOP);
  256. else if (tmp & 0x2)
  257. b43_phy_mask(dev, B43_PHY_HT_IQLOCAL_CMDGCTL, 0x7FFF);
  258. b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0x0004);
  259. for (i = 0; i < 3; i++) {
  260. if (phy_ht->bb_mult_save[i] >= 0) {
  261. b43_httab_write(dev, B43_HTTAB16(13, 0x63 + i * 4),
  262. phy_ht->bb_mult_save[i]);
  263. b43_httab_write(dev, B43_HTTAB16(13, 0x67 + i * 4),
  264. phy_ht->bb_mult_save[i]);
  265. }
  266. }
  267. }
  268. #endif
  269. /**************************************************
  270. * Tx/Rx
  271. **************************************************/
  272. static void b43_phy_ht_tx_power_fix(struct b43_wldev *dev)
  273. {
  274. int i;
  275. for (i = 0; i < 3; i++) {
  276. u16 mask;
  277. u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8));
  278. if (0) /* FIXME */
  279. mask = 0x2 << (i * 4);
  280. else
  281. mask = 0;
  282. b43_phy_mask(dev, B43_PHY_EXTG(0x108), mask);
  283. b43_httab_write(dev, B43_HTTAB16(7, 0x110 + i), tmp >> 16);
  284. b43_httab_write(dev, B43_HTTAB8(13, 0x63 + (i * 4)),
  285. tmp & 0xFF);
  286. b43_httab_write(dev, B43_HTTAB8(13, 0x73 + (i * 4)),
  287. tmp & 0xFF);
  288. }
  289. }
  290. #if 0
  291. static void b43_phy_ht_tx_power_ctl(struct b43_wldev *dev, bool enable)
  292. {
  293. struct b43_phy_ht *phy_ht = dev->phy.ht;
  294. u16 en_bits = B43_PHY_HT_TXPCTL_CMD_C1_COEFF |
  295. B43_PHY_HT_TXPCTL_CMD_C1_HWPCTLEN |
  296. B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN;
  297. static const u16 cmd_regs[3] = { B43_PHY_HT_TXPCTL_CMD_C1,
  298. B43_PHY_HT_TXPCTL_CMD_C2,
  299. B43_PHY_HT_TXPCTL_CMD_C3 };
  300. int i;
  301. if (!enable) {
  302. if (b43_phy_read(dev, B43_PHY_HT_TXPCTL_CMD_C1) & en_bits) {
  303. /* We disable enabled TX pwr ctl, save it's state */
  304. /*
  305. * TODO: find the registers. On N-PHY they were 0x1ed
  306. * and 0x1ee, we need 3 such a registers for HT-PHY
  307. */
  308. }
  309. b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1, ~en_bits);
  310. } else {
  311. b43_phy_set(dev, B43_PHY_HT_TXPCTL_CMD_C1, en_bits);
  312. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
  313. for (i = 0; i < 3; i++)
  314. b43_phy_write(dev, cmd_regs[i], 0x32);
  315. }
  316. for (i = 0; i < 3; i++)
  317. if (phy_ht->tx_pwr_idx[i] <=
  318. B43_PHY_HT_TXPCTL_CMD_C1_INIT)
  319. b43_phy_write(dev, cmd_regs[i],
  320. phy_ht->tx_pwr_idx[i]);
  321. }
  322. phy_ht->tx_pwr_ctl = enable;
  323. }
  324. static void b43_phy_ht_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
  325. {
  326. /* TODO */
  327. b43_phy_ht_stop_playback(dev);
  328. /* TODO */
  329. }
  330. #endif
  331. /**************************************************
  332. * Channel switching ops.
  333. **************************************************/
  334. static void b43_phy_ht_spur_avoid(struct b43_wldev *dev,
  335. struct ieee80211_channel *new_channel)
  336. {
  337. struct bcma_device *core = dev->dev->bdev;
  338. int spuravoid = 0;
  339. u16 tmp;
  340. /* Check for 13 and 14 is just a guess, we don't have enough logs. */
  341. if (new_channel->hw_value == 13 || new_channel->hw_value == 14)
  342. spuravoid = 1;
  343. bcma_core_pll_ctl(core, B43_BCMA_CLKCTLST_PHY_PLL_REQ, 0, false);
  344. bcma_pmu_spuravoid_pllupdate(&core->bus->drv_cc, spuravoid);
  345. bcma_core_pll_ctl(core,
  346. B43_BCMA_CLKCTLST_80211_PLL_REQ |
  347. B43_BCMA_CLKCTLST_PHY_PLL_REQ,
  348. B43_BCMA_CLKCTLST_80211_PLL_ST |
  349. B43_BCMA_CLKCTLST_PHY_PLL_ST, false);
  350. /* Values has been taken from wlc_bmac_switch_macfreq comments */
  351. switch (spuravoid) {
  352. case 2: /* 126MHz */
  353. tmp = 0x2082;
  354. break;
  355. case 1: /* 123MHz */
  356. tmp = 0x5341;
  357. break;
  358. default: /* 120MHz */
  359. tmp = 0x8889;
  360. }
  361. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, tmp);
  362. b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
  363. /* TODO: reset PLL */
  364. if (spuravoid)
  365. b43_phy_set(dev, B43_PHY_HT_BBCFG, B43_PHY_HT_BBCFG_RSTRX);
  366. else
  367. b43_phy_mask(dev, B43_PHY_HT_BBCFG,
  368. ~B43_PHY_HT_BBCFG_RSTRX & 0xFFFF);
  369. b43_phy_ht_reset_cca(dev);
  370. }
  371. static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
  372. const struct b43_phy_ht_channeltab_e_phy *e,
  373. struct ieee80211_channel *new_channel)
  374. {
  375. bool old_band_5ghz;
  376. old_band_5ghz = b43_phy_read(dev, B43_PHY_HT_BANDCTL) & 0; /* FIXME */
  377. if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
  378. /* TODO */
  379. } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
  380. /* TODO */
  381. }
  382. b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1);
  383. b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2);
  384. b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3);
  385. b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4);
  386. b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5);
  387. b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6);
  388. if (new_channel->hw_value == 14) {
  389. b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, 0);
  390. b43_phy_set(dev, B43_PHY_HT_TEST, 0x0800);
  391. } else {
  392. b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN,
  393. B43_PHY_HT_CLASS_CTL_OFDM_EN);
  394. if (new_channel->band == IEEE80211_BAND_2GHZ)
  395. b43_phy_mask(dev, B43_PHY_HT_TEST, ~0x840);
  396. }
  397. if (1) /* TODO: On N it's for early devices only, what about HT? */
  398. b43_phy_ht_tx_power_fix(dev);
  399. b43_phy_ht_spur_avoid(dev, new_channel);
  400. b43_phy_write(dev, 0x017e, 0x3830);
  401. }
  402. static int b43_phy_ht_set_channel(struct b43_wldev *dev,
  403. struct ieee80211_channel *channel,
  404. enum nl80211_channel_type channel_type)
  405. {
  406. struct b43_phy *phy = &dev->phy;
  407. const struct b43_phy_ht_channeltab_e_radio2059 *chent_r2059 = NULL;
  408. if (phy->radio_ver == 0x2059) {
  409. chent_r2059 = b43_phy_ht_get_channeltab_e_r2059(dev,
  410. channel->center_freq);
  411. if (!chent_r2059)
  412. return -ESRCH;
  413. } else {
  414. return -ESRCH;
  415. }
  416. /* TODO: In case of N-PHY some bandwidth switching goes here */
  417. if (phy->radio_ver == 0x2059) {
  418. b43_radio_2059_channel_setup(dev, chent_r2059);
  419. b43_phy_ht_channel_setup(dev, &(chent_r2059->phy_regs),
  420. channel);
  421. } else {
  422. return -ESRCH;
  423. }
  424. return 0;
  425. }
  426. /**************************************************
  427. * Basic PHY ops.
  428. **************************************************/
  429. static int b43_phy_ht_op_allocate(struct b43_wldev *dev)
  430. {
  431. struct b43_phy_ht *phy_ht;
  432. phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL);
  433. if (!phy_ht)
  434. return -ENOMEM;
  435. dev->phy.ht = phy_ht;
  436. return 0;
  437. }
  438. static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev)
  439. {
  440. struct b43_phy *phy = &dev->phy;
  441. struct b43_phy_ht *phy_ht = phy->ht;
  442. int i;
  443. memset(phy_ht, 0, sizeof(*phy_ht));
  444. phy_ht->tx_pwr_ctl = true;
  445. for (i = 0; i < 3; i++)
  446. phy_ht->tx_pwr_idx[i] = B43_PHY_HT_TXPCTL_CMD_C1_INIT + 1;
  447. for (i = 0; i < 3; i++)
  448. phy_ht->bb_mult_save[i] = -1;
  449. }
  450. static int b43_phy_ht_op_init(struct b43_wldev *dev)
  451. {
  452. struct b43_phy_ht *phy_ht = dev->phy.ht;
  453. u16 tmp;
  454. u16 clip_state[3];
  455. bool saved_tx_pwr_ctl;
  456. if (dev->dev->bus_type != B43_BUS_BCMA) {
  457. b43err(dev->wl, "HT-PHY is supported only on BCMA bus!\n");
  458. return -EOPNOTSUPP;
  459. }
  460. b43_phy_ht_tables_init(dev);
  461. b43_phy_mask(dev, 0x0be, ~0x2);
  462. b43_phy_set(dev, 0x23f, 0x7ff);
  463. b43_phy_set(dev, 0x240, 0x7ff);
  464. b43_phy_set(dev, 0x241, 0x7ff);
  465. b43_phy_ht_zero_extg(dev);
  466. b43_phy_mask(dev, B43_PHY_EXTG(0), ~0x3);
  467. b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0);
  468. b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0);
  469. b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0);
  470. b43_phy_write(dev, B43_PHY_EXTG(0x103), 0x20);
  471. b43_phy_write(dev, B43_PHY_EXTG(0x101), 0x20);
  472. b43_phy_write(dev, 0x20d, 0xb8);
  473. b43_phy_write(dev, B43_PHY_EXTG(0x14f), 0xc8);
  474. b43_phy_write(dev, 0x70, 0x50);
  475. b43_phy_write(dev, 0x1ff, 0x30);
  476. if (0) /* TODO: condition */
  477. ; /* TODO: PHY op on reg 0x217 */
  478. if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
  479. b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN, 0);
  480. else
  481. b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN,
  482. B43_PHY_HT_CLASS_CTL_CCK_EN);
  483. b43_phy_set(dev, 0xb1, 0x91);
  484. b43_phy_write(dev, 0x32f, 0x0003);
  485. b43_phy_write(dev, 0x077, 0x0010);
  486. b43_phy_write(dev, 0x0b4, 0x0258);
  487. b43_phy_mask(dev, 0x17e, ~0x4000);
  488. b43_phy_write(dev, 0x0b9, 0x0072);
  489. b43_httab_write_few(dev, B43_HTTAB16(7, 0x14e), 2, 0x010f, 0x010f);
  490. b43_httab_write_few(dev, B43_HTTAB16(7, 0x15e), 2, 0x010f, 0x010f);
  491. b43_httab_write_few(dev, B43_HTTAB16(7, 0x16e), 2, 0x010f, 0x010f);
  492. b43_phy_ht_afe_unk1(dev);
  493. b43_httab_write_few(dev, B43_HTTAB16(7, 0x130), 9, 0x777, 0x111, 0x111,
  494. 0x777, 0x111, 0x111, 0x777, 0x111, 0x111);
  495. b43_httab_write(dev, B43_HTTAB16(7, 0x120), 0x0777);
  496. b43_httab_write(dev, B43_HTTAB16(7, 0x124), 0x0777);
  497. b43_httab_write(dev, B43_HTTAB16(8, 0x00), 0x02);
  498. b43_httab_write(dev, B43_HTTAB16(8, 0x10), 0x02);
  499. b43_httab_write(dev, B43_HTTAB16(8, 0x20), 0x02);
  500. b43_httab_write_few(dev, B43_HTTAB16(8, 0x08), 4,
  501. 0x8e, 0x96, 0x96, 0x96);
  502. b43_httab_write_few(dev, B43_HTTAB16(8, 0x18), 4,
  503. 0x8f, 0x9f, 0x9f, 0x9f);
  504. b43_httab_write_few(dev, B43_HTTAB16(8, 0x28), 4,
  505. 0x8f, 0x9f, 0x9f, 0x9f);
  506. b43_httab_write_few(dev, B43_HTTAB16(8, 0x0c), 4, 0x2, 0x2, 0x2, 0x2);
  507. b43_httab_write_few(dev, B43_HTTAB16(8, 0x1c), 4, 0x2, 0x2, 0x2, 0x2);
  508. b43_httab_write_few(dev, B43_HTTAB16(8, 0x2c), 4, 0x2, 0x2, 0x2, 0x2);
  509. b43_phy_maskset(dev, 0x0280, 0xff00, 0x3e);
  510. b43_phy_maskset(dev, 0x0283, 0xff00, 0x3e);
  511. b43_phy_maskset(dev, B43_PHY_OFDM(0x0141), 0xff00, 0x46);
  512. b43_phy_maskset(dev, 0x0283, 0xff00, 0x40);
  513. b43_httab_write_few(dev, B43_HTTAB16(00, 0x8), 4,
  514. 0x09, 0x0e, 0x13, 0x18);
  515. b43_httab_write_few(dev, B43_HTTAB16(01, 0x8), 4,
  516. 0x09, 0x0e, 0x13, 0x18);
  517. /* TODO: Did wl mean 2 instead of 40? */
  518. b43_httab_write_few(dev, B43_HTTAB16(40, 0x8), 4,
  519. 0x09, 0x0e, 0x13, 0x18);
  520. b43_phy_maskset(dev, B43_PHY_OFDM(0x24), 0x3f, 0xd);
  521. b43_phy_maskset(dev, B43_PHY_OFDM(0x64), 0x3f, 0xd);
  522. b43_phy_maskset(dev, B43_PHY_OFDM(0xa4), 0x3f, 0xd);
  523. b43_phy_set(dev, B43_PHY_EXTG(0x060), 0x1);
  524. b43_phy_set(dev, B43_PHY_EXTG(0x064), 0x1);
  525. b43_phy_set(dev, B43_PHY_EXTG(0x080), 0x1);
  526. b43_phy_set(dev, B43_PHY_EXTG(0x084), 0x1);
  527. /* Copy some tables entries */
  528. tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x144));
  529. b43_httab_write(dev, B43_HTTAB16(7, 0x14a), tmp);
  530. tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x154));
  531. b43_httab_write(dev, B43_HTTAB16(7, 0x15a), tmp);
  532. tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x164));
  533. b43_httab_write(dev, B43_HTTAB16(7, 0x16a), tmp);
  534. /* Reset CCA */
  535. b43_phy_force_clock(dev, true);
  536. tmp = b43_phy_read(dev, B43_PHY_HT_BBCFG);
  537. b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp | B43_PHY_HT_BBCFG_RSTCCA);
  538. b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp & ~B43_PHY_HT_BBCFG_RSTCCA);
  539. b43_phy_force_clock(dev, false);
  540. b43_mac_phy_clock_set(dev, true);
  541. b43_phy_ht_pa_override(dev, false);
  542. b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX);
  543. b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX);
  544. b43_phy_ht_pa_override(dev, true);
  545. /* TODO: Should we restore it? Or store it in global PHY info? */
  546. b43_phy_ht_classifier(dev, 0, 0);
  547. b43_phy_ht_read_clip_detection(dev, clip_state);
  548. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  549. b43_phy_ht_bphy_init(dev);
  550. b43_httab_write_bulk(dev, B43_HTTAB32(0x1a, 0xc0),
  551. B43_HTTAB_1A_C0_LATE_SIZE, b43_httab_0x1a_0xc0_late);
  552. saved_tx_pwr_ctl = phy_ht->tx_pwr_ctl;
  553. b43_phy_ht_tx_power_fix(dev);
  554. #if 0
  555. b43_phy_ht_tx_power_ctl(dev, false);
  556. b43_phy_ht_tx_power_ctl_idle_tssi(dev);
  557. /* TODO */
  558. b43_phy_ht_tx_power_ctl(dev, saved_tx_pwr_ctl);
  559. #endif
  560. return 0;
  561. }
  562. static void b43_phy_ht_op_free(struct b43_wldev *dev)
  563. {
  564. struct b43_phy *phy = &dev->phy;
  565. struct b43_phy_ht *phy_ht = phy->ht;
  566. kfree(phy_ht);
  567. phy->ht = NULL;
  568. }
  569. /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
  570. static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev,
  571. bool blocked)
  572. {
  573. if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
  574. b43err(dev->wl, "MAC not suspended\n");
  575. /* In the following PHY ops we copy wl's dummy behaviour.
  576. * TODO: Find out if reads (currently hidden in masks/masksets) are
  577. * needed and replace following ops with just writes or w&r.
  578. * Note: B43_PHY_HT_RF_CTL1 register is tricky, wrong operation can
  579. * cause delayed (!) machine lock up. */
  580. if (blocked) {
  581. b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
  582. } else {
  583. b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
  584. b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x1);
  585. b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
  586. b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x2);
  587. if (dev->phy.radio_ver == 0x2059)
  588. b43_radio_2059_init(dev);
  589. else
  590. B43_WARN_ON(1);
  591. b43_switch_channel(dev, dev->phy.channel);
  592. }
  593. }
  594. static void b43_phy_ht_op_switch_analog(struct b43_wldev *dev, bool on)
  595. {
  596. if (on) {
  597. b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00cd);
  598. b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x0000);
  599. b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00cd);
  600. b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x0000);
  601. b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00cd);
  602. b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x0000);
  603. } else {
  604. b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x07ff);
  605. b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00fd);
  606. b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x07ff);
  607. b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00fd);
  608. b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x07ff);
  609. b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00fd);
  610. }
  611. }
  612. static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev,
  613. unsigned int new_channel)
  614. {
  615. struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
  616. enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
  617. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
  618. if ((new_channel < 1) || (new_channel > 14))
  619. return -EINVAL;
  620. } else {
  621. return -EINVAL;
  622. }
  623. return b43_phy_ht_set_channel(dev, channel, channel_type);
  624. }
  625. static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev)
  626. {
  627. if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
  628. return 11;
  629. return 36;
  630. }
  631. /**************************************************
  632. * R/W ops.
  633. **************************************************/
  634. static u16 b43_phy_ht_op_read(struct b43_wldev *dev, u16 reg)
  635. {
  636. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  637. return b43_read16(dev, B43_MMIO_PHY_DATA);
  638. }
  639. static void b43_phy_ht_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  640. {
  641. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  642. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  643. }
  644. static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
  645. u16 set)
  646. {
  647. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  648. b43_write16(dev, B43_MMIO_PHY_DATA,
  649. (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
  650. }
  651. static u16 b43_phy_ht_op_radio_read(struct b43_wldev *dev, u16 reg)
  652. {
  653. /* HT-PHY needs 0x200 for read access */
  654. reg |= 0x200;
  655. b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
  656. return b43_read16(dev, B43_MMIO_RADIO24_DATA);
  657. }
  658. static void b43_phy_ht_op_radio_write(struct b43_wldev *dev, u16 reg,
  659. u16 value)
  660. {
  661. b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
  662. b43_write16(dev, B43_MMIO_RADIO24_DATA, value);
  663. }
  664. static enum b43_txpwr_result
  665. b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
  666. {
  667. return B43_TXPWR_RES_DONE;
  668. }
  669. static void b43_phy_ht_op_adjust_txpower(struct b43_wldev *dev)
  670. {
  671. }
  672. /**************************************************
  673. * PHY ops struct.
  674. **************************************************/
  675. const struct b43_phy_operations b43_phyops_ht = {
  676. .allocate = b43_phy_ht_op_allocate,
  677. .free = b43_phy_ht_op_free,
  678. .prepare_structs = b43_phy_ht_op_prepare_structs,
  679. .init = b43_phy_ht_op_init,
  680. .phy_read = b43_phy_ht_op_read,
  681. .phy_write = b43_phy_ht_op_write,
  682. .phy_maskset = b43_phy_ht_op_maskset,
  683. .radio_read = b43_phy_ht_op_radio_read,
  684. .radio_write = b43_phy_ht_op_radio_write,
  685. .software_rfkill = b43_phy_ht_op_software_rfkill,
  686. .switch_analog = b43_phy_ht_op_switch_analog,
  687. .switch_channel = b43_phy_ht_op_switch_channel,
  688. .get_default_chan = b43_phy_ht_op_get_default_chan,
  689. .recalc_txpower = b43_phy_ht_op_recalc_txpower,
  690. .adjust_txpower = b43_phy_ht_op_adjust_txpower,
  691. };