phy_a.c 18 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643
  1. /*
  2. Broadcom B43 wireless driver
  3. IEEE 802.11a PHY driver
  4. Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
  5. Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
  6. Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de>
  7. Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
  8. Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
  9. This program is free software; you can redistribute it and/or modify
  10. it under the terms of the GNU General Public License as published by
  11. the Free Software Foundation; either version 2 of the License, or
  12. (at your option) any later version.
  13. This program is distributed in the hope that it will be useful,
  14. but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. GNU General Public License for more details.
  17. You should have received a copy of the GNU General Public License
  18. along with this program; see the file COPYING. If not, write to
  19. the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  20. Boston, MA 02110-1301, USA.
  21. */
  22. #include "b43.h"
  23. #include "phy_a.h"
  24. #include "phy_common.h"
  25. #include "wa.h"
  26. #include "tables.h"
  27. #include "main.h"
  28. /* Get the freq, as it has to be written to the device. */
  29. static inline u16 channel2freq_a(u8 channel)
  30. {
  31. B43_WARN_ON(channel > 200);
  32. return (5000 + 5 * channel);
  33. }
  34. static inline u16 freq_r3A_value(u16 frequency)
  35. {
  36. u16 value;
  37. if (frequency < 5091)
  38. value = 0x0040;
  39. else if (frequency < 5321)
  40. value = 0x0000;
  41. else if (frequency < 5806)
  42. value = 0x0080;
  43. else
  44. value = 0x0040;
  45. return value;
  46. }
  47. #if 0
  48. /* This function converts a TSSI value to dBm in Q5.2 */
  49. static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
  50. {
  51. struct b43_phy *phy = &dev->phy;
  52. struct b43_phy_a *aphy = phy->a;
  53. s8 dbm = 0;
  54. s32 tmp;
  55. tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
  56. tmp += 0x80;
  57. tmp = clamp_val(tmp, 0x00, 0xFF);
  58. dbm = aphy->tssi2dbm[tmp];
  59. //TODO: There's a FIXME on the specs
  60. return dbm;
  61. }
  62. #endif
  63. static void b43_radio_set_tx_iq(struct b43_wldev *dev)
  64. {
  65. static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
  66. static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
  67. u16 tmp = b43_radio_read16(dev, 0x001E);
  68. int i, j;
  69. for (i = 0; i < 5; i++) {
  70. for (j = 0; j < 5; j++) {
  71. if (tmp == (data_high[i] << 4 | data_low[j])) {
  72. b43_phy_write(dev, 0x0069,
  73. (i - j) << 8 | 0x00C0);
  74. return;
  75. }
  76. }
  77. }
  78. }
  79. static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
  80. {
  81. u16 freq, r8, tmp;
  82. freq = channel2freq_a(channel);
  83. r8 = b43_radio_read16(dev, 0x0008);
  84. b43_write16(dev, 0x03F0, freq);
  85. b43_radio_write16(dev, 0x0008, r8);
  86. //TODO: write max channel TX power? to Radio 0x2D
  87. tmp = b43_radio_read16(dev, 0x002E);
  88. tmp &= 0x0080;
  89. //TODO: OR tmp with the Power out estimation for this channel?
  90. b43_radio_write16(dev, 0x002E, tmp);
  91. if (freq >= 4920 && freq <= 5500) {
  92. /*
  93. * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
  94. * = (freq * 0.025862069
  95. */
  96. r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */
  97. }
  98. b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
  99. b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
  100. b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
  101. b43_radio_write16(dev, 0x0022, (b43_radio_read16(dev, 0x0022)
  102. & 0x000F) | (r8 << 4));
  103. b43_radio_write16(dev, 0x002A, (r8 << 4));
  104. b43_radio_write16(dev, 0x002B, (r8 << 4));
  105. b43_radio_write16(dev, 0x0008, (b43_radio_read16(dev, 0x0008)
  106. & 0x00F0) | (r8 << 4));
  107. b43_radio_write16(dev, 0x0029, (b43_radio_read16(dev, 0x0029)
  108. & 0xFF0F) | 0x00B0);
  109. b43_radio_write16(dev, 0x0035, 0x00AA);
  110. b43_radio_write16(dev, 0x0036, 0x0085);
  111. b43_radio_write16(dev, 0x003A, (b43_radio_read16(dev, 0x003A)
  112. & 0xFF20) |
  113. freq_r3A_value(freq));
  114. b43_radio_write16(dev, 0x003D,
  115. b43_radio_read16(dev, 0x003D) & 0x00FF);
  116. b43_radio_write16(dev, 0x0081, (b43_radio_read16(dev, 0x0081)
  117. & 0xFF7F) | 0x0080);
  118. b43_radio_write16(dev, 0x0035,
  119. b43_radio_read16(dev, 0x0035) & 0xFFEF);
  120. b43_radio_write16(dev, 0x0035, (b43_radio_read16(dev, 0x0035)
  121. & 0xFFEF) | 0x0010);
  122. b43_radio_set_tx_iq(dev);
  123. //TODO: TSSI2dbm workaround
  124. //FIXME b43_phy_xmitpower(dev);
  125. }
  126. static void b43_radio_init2060(struct b43_wldev *dev)
  127. {
  128. b43_radio_write16(dev, 0x0004, 0x00C0);
  129. b43_radio_write16(dev, 0x0005, 0x0008);
  130. b43_radio_write16(dev, 0x0009, 0x0040);
  131. b43_radio_write16(dev, 0x0005, 0x00AA);
  132. b43_radio_write16(dev, 0x0032, 0x008F);
  133. b43_radio_write16(dev, 0x0006, 0x008F);
  134. b43_radio_write16(dev, 0x0034, 0x008F);
  135. b43_radio_write16(dev, 0x002C, 0x0007);
  136. b43_radio_write16(dev, 0x0082, 0x0080);
  137. b43_radio_write16(dev, 0x0080, 0x0000);
  138. b43_radio_write16(dev, 0x003F, 0x00DA);
  139. b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
  140. b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0010);
  141. b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
  142. b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
  143. msleep(1); /* delay 400usec */
  144. b43_radio_write16(dev, 0x0081,
  145. (b43_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010);
  146. msleep(1); /* delay 400usec */
  147. b43_radio_write16(dev, 0x0005,
  148. (b43_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008);
  149. b43_radio_write16(dev, 0x0085, b43_radio_read16(dev, 0x0085) & ~0x0010);
  150. b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
  151. b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0040);
  152. b43_radio_write16(dev, 0x0081,
  153. (b43_radio_read16(dev, 0x0081) & ~0x0040) | 0x0040);
  154. b43_radio_write16(dev, 0x0005,
  155. (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
  156. b43_phy_write(dev, 0x0063, 0xDDC6);
  157. b43_phy_write(dev, 0x0069, 0x07BE);
  158. b43_phy_write(dev, 0x006A, 0x0000);
  159. aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));
  160. msleep(1);
  161. }
  162. static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
  163. {
  164. int i;
  165. if (dev->phy.rev < 3) {
  166. if (enable)
  167. for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
  168. b43_ofdmtab_write16(dev,
  169. B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
  170. b43_ofdmtab_write16(dev,
  171. B43_OFDMTAB_WRSSI, i, 0xFFF8);
  172. }
  173. else
  174. for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
  175. b43_ofdmtab_write16(dev,
  176. B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
  177. b43_ofdmtab_write16(dev,
  178. B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
  179. }
  180. } else {
  181. if (enable)
  182. for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
  183. b43_ofdmtab_write16(dev,
  184. B43_OFDMTAB_WRSSI, i, 0x0820);
  185. else
  186. for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
  187. b43_ofdmtab_write16(dev,
  188. B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
  189. }
  190. }
  191. static void b43_phy_ww(struct b43_wldev *dev)
  192. {
  193. u16 b, curr_s, best_s = 0xFFFF;
  194. int i;
  195. b43_phy_write(dev, B43_PHY_CRS0,
  196. b43_phy_read(dev, B43_PHY_CRS0) & ~B43_PHY_CRS0_EN);
  197. b43_phy_write(dev, B43_PHY_OFDM(0x1B),
  198. b43_phy_read(dev, B43_PHY_OFDM(0x1B)) | 0x1000);
  199. b43_phy_write(dev, B43_PHY_OFDM(0x82),
  200. (b43_phy_read(dev, B43_PHY_OFDM(0x82)) & 0xF0FF) | 0x0300);
  201. b43_radio_write16(dev, 0x0009,
  202. b43_radio_read16(dev, 0x0009) | 0x0080);
  203. b43_radio_write16(dev, 0x0012,
  204. (b43_radio_read16(dev, 0x0012) & 0xFFFC) | 0x0002);
  205. b43_wa_initgains(dev);
  206. b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
  207. b = b43_phy_read(dev, B43_PHY_PWRDOWN);
  208. b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005);
  209. b43_radio_write16(dev, 0x0004,
  210. b43_radio_read16(dev, 0x0004) | 0x0004);
  211. for (i = 0x10; i <= 0x20; i++) {
  212. b43_radio_write16(dev, 0x0013, i);
  213. curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
  214. if (!curr_s) {
  215. best_s = 0x0000;
  216. break;
  217. } else if (curr_s >= 0x0080)
  218. curr_s = 0x0100 - curr_s;
  219. if (curr_s < best_s)
  220. best_s = curr_s;
  221. }
  222. b43_phy_write(dev, B43_PHY_PWRDOWN, b);
  223. b43_radio_write16(dev, 0x0004,
  224. b43_radio_read16(dev, 0x0004) & 0xFFFB);
  225. b43_radio_write16(dev, 0x0013, best_s);
  226. b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
  227. b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
  228. b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
  229. b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
  230. b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
  231. b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
  232. b43_phy_write(dev, B43_PHY_OFDM(0xBB),
  233. (b43_phy_read(dev, B43_PHY_OFDM(0xBB)) & 0xF000) | 0x0053);
  234. b43_phy_write(dev, B43_PHY_OFDM61,
  235. (b43_phy_read(dev, B43_PHY_OFDM61) & 0xFE1F) | 0x0120);
  236. b43_phy_write(dev, B43_PHY_OFDM(0x13),
  237. (b43_phy_read(dev, B43_PHY_OFDM(0x13)) & 0x0FFF) | 0x3000);
  238. b43_phy_write(dev, B43_PHY_OFDM(0x14),
  239. (b43_phy_read(dev, B43_PHY_OFDM(0x14)) & 0x0FFF) | 0x3000);
  240. b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
  241. for (i = 0; i < 6; i++)
  242. b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
  243. b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
  244. b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
  245. b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
  246. b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
  247. b43_phy_write(dev, B43_PHY_CRS0,
  248. b43_phy_read(dev, B43_PHY_CRS0) | B43_PHY_CRS0_EN);
  249. }
  250. static void hardware_pctl_init_aphy(struct b43_wldev *dev)
  251. {
  252. //TODO
  253. }
  254. void b43_phy_inita(struct b43_wldev *dev)
  255. {
  256. struct ssb_bus *bus = dev->dev->bus;
  257. struct b43_phy *phy = &dev->phy;
  258. /* This lowlevel A-PHY init is also called from G-PHY init.
  259. * So we must not access phy->a, if called from G-PHY code.
  260. */
  261. B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
  262. (phy->type != B43_PHYTYPE_G));
  263. might_sleep();
  264. if (phy->rev >= 6) {
  265. if (phy->type == B43_PHYTYPE_A)
  266. b43_phy_write(dev, B43_PHY_OFDM(0x1B),
  267. b43_phy_read(dev, B43_PHY_OFDM(0x1B)) & ~0x1000);
  268. if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
  269. b43_phy_write(dev, B43_PHY_ENCORE,
  270. b43_phy_read(dev, B43_PHY_ENCORE) | 0x0010);
  271. else
  272. b43_phy_write(dev, B43_PHY_ENCORE,
  273. b43_phy_read(dev, B43_PHY_ENCORE) & ~0x1010);
  274. }
  275. b43_wa_all(dev);
  276. if (phy->type == B43_PHYTYPE_A) {
  277. if (phy->gmode && (phy->rev < 3))
  278. b43_phy_write(dev, 0x0034,
  279. b43_phy_read(dev, 0x0034) | 0x0001);
  280. b43_phy_rssiagc(dev, 0);
  281. b43_phy_write(dev, B43_PHY_CRS0,
  282. b43_phy_read(dev, B43_PHY_CRS0) | B43_PHY_CRS0_EN);
  283. b43_radio_init2060(dev);
  284. if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
  285. ((bus->boardinfo.type == SSB_BOARD_BU4306) ||
  286. (bus->boardinfo.type == SSB_BOARD_BU4309))) {
  287. ; //TODO: A PHY LO
  288. }
  289. if (phy->rev >= 3)
  290. b43_phy_ww(dev);
  291. hardware_pctl_init_aphy(dev);
  292. //TODO: radar detection
  293. }
  294. if ((phy->type == B43_PHYTYPE_G) &&
  295. (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)) {
  296. b43_phy_write(dev, B43_PHY_OFDM(0x6E),
  297. (b43_phy_read(dev, B43_PHY_OFDM(0x6E))
  298. & 0xE000) | 0x3CF);
  299. }
  300. }
  301. /* Initialise the TSSI->dBm lookup table */
  302. static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
  303. {
  304. struct b43_phy *phy = &dev->phy;
  305. struct b43_phy_a *aphy = phy->a;
  306. s16 pab0, pab1, pab2;
  307. pab0 = (s16) (dev->dev->bus->sprom.pa1b0);
  308. pab1 = (s16) (dev->dev->bus->sprom.pa1b1);
  309. pab2 = (s16) (dev->dev->bus->sprom.pa1b2);
  310. if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
  311. pab0 != -1 && pab1 != -1 && pab2 != -1) {
  312. /* The pabX values are set in SPROM. Use them. */
  313. if ((s8) dev->dev->bus->sprom.itssi_a != 0 &&
  314. (s8) dev->dev->bus->sprom.itssi_a != -1)
  315. aphy->tgt_idle_tssi =
  316. (s8) (dev->dev->bus->sprom.itssi_a);
  317. else
  318. aphy->tgt_idle_tssi = 62;
  319. aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
  320. pab1, pab2);
  321. if (!aphy->tssi2dbm)
  322. return -ENOMEM;
  323. } else {
  324. /* pabX values not set in SPROM,
  325. * but APHY needs a generated table. */
  326. aphy->tssi2dbm = NULL;
  327. b43err(dev->wl, "Could not generate tssi2dBm "
  328. "table (wrong SPROM info)!\n");
  329. return -ENODEV;
  330. }
  331. return 0;
  332. }
  333. static int b43_aphy_op_allocate(struct b43_wldev *dev)
  334. {
  335. struct b43_phy_a *aphy;
  336. int err;
  337. aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
  338. if (!aphy)
  339. return -ENOMEM;
  340. dev->phy.a = aphy;
  341. err = b43_aphy_init_tssi2dbm_table(dev);
  342. if (err)
  343. goto err_free_aphy;
  344. return 0;
  345. err_free_aphy:
  346. kfree(aphy);
  347. dev->phy.a = NULL;
  348. return err;
  349. }
  350. static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
  351. {
  352. struct b43_phy *phy = &dev->phy;
  353. struct b43_phy_a *aphy = phy->a;
  354. const void *tssi2dbm;
  355. int tgt_idle_tssi;
  356. /* tssi2dbm table is constant, so it is initialized at alloc time.
  357. * Save a copy of the pointer. */
  358. tssi2dbm = aphy->tssi2dbm;
  359. tgt_idle_tssi = aphy->tgt_idle_tssi;
  360. /* Zero out the whole PHY structure. */
  361. memset(aphy, 0, sizeof(*aphy));
  362. aphy->tssi2dbm = tssi2dbm;
  363. aphy->tgt_idle_tssi = tgt_idle_tssi;
  364. //TODO init struct b43_phy_a
  365. }
  366. static void b43_aphy_op_free(struct b43_wldev *dev)
  367. {
  368. struct b43_phy *phy = &dev->phy;
  369. struct b43_phy_a *aphy = phy->a;
  370. kfree(aphy->tssi2dbm);
  371. aphy->tssi2dbm = NULL;
  372. kfree(aphy);
  373. dev->phy.a = NULL;
  374. }
  375. static int b43_aphy_op_init(struct b43_wldev *dev)
  376. {
  377. b43_phy_inita(dev);
  378. return 0;
  379. }
  380. static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
  381. {
  382. /* OFDM registers are base-registers for the A-PHY. */
  383. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
  384. offset &= ~B43_PHYROUTE;
  385. offset |= B43_PHYROUTE_BASE;
  386. }
  387. #if B43_DEBUG
  388. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
  389. /* Ext-G registers are only available on G-PHYs */
  390. b43err(dev->wl, "Invalid EXT-G PHY access at "
  391. "0x%04X on A-PHY\n", offset);
  392. dump_stack();
  393. }
  394. if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
  395. /* N-BMODE registers are only available on N-PHYs */
  396. b43err(dev->wl, "Invalid N-BMODE PHY access at "
  397. "0x%04X on A-PHY\n", offset);
  398. dump_stack();
  399. }
  400. #endif /* B43_DEBUG */
  401. return offset;
  402. }
  403. static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
  404. {
  405. reg = adjust_phyreg(dev, reg);
  406. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  407. return b43_read16(dev, B43_MMIO_PHY_DATA);
  408. }
  409. static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
  410. {
  411. reg = adjust_phyreg(dev, reg);
  412. b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
  413. b43_write16(dev, B43_MMIO_PHY_DATA, value);
  414. }
  415. static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
  416. {
  417. /* Register 1 is a 32-bit register. */
  418. B43_WARN_ON(reg == 1);
  419. /* A-PHY needs 0x40 for read access */
  420. reg |= 0x40;
  421. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  422. return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
  423. }
  424. static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
  425. {
  426. /* Register 1 is a 32-bit register. */
  427. B43_WARN_ON(reg == 1);
  428. b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
  429. b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
  430. }
  431. static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
  432. {
  433. return (dev->phy.rev >= 5);
  434. }
  435. static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
  436. enum rfkill_state state)
  437. {
  438. struct b43_phy *phy = &dev->phy;
  439. if (state == RFKILL_STATE_UNBLOCKED) {
  440. if (phy->radio_on)
  441. return;
  442. b43_radio_write16(dev, 0x0004, 0x00C0);
  443. b43_radio_write16(dev, 0x0005, 0x0008);
  444. b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7);
  445. b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7);
  446. b43_radio_init2060(dev);
  447. } else {
  448. b43_radio_write16(dev, 0x0004, 0x00FF);
  449. b43_radio_write16(dev, 0x0005, 0x00FB);
  450. b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008);
  451. b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008);
  452. }
  453. }
  454. static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
  455. unsigned int new_channel)
  456. {
  457. if (new_channel > 200)
  458. return -EINVAL;
  459. aphy_channel_switch(dev, new_channel);
  460. return 0;
  461. }
  462. static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
  463. {
  464. return 36; /* Default to channel 36 */
  465. }
  466. static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
  467. {//TODO
  468. struct b43_phy *phy = &dev->phy;
  469. u64 hf;
  470. u16 tmp;
  471. int autodiv = 0;
  472. if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
  473. autodiv = 1;
  474. hf = b43_hf_read(dev);
  475. hf &= ~B43_HF_ANTDIVHELP;
  476. b43_hf_write(dev, hf);
  477. tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
  478. tmp &= ~B43_PHY_BBANDCFG_RXANT;
  479. tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
  480. << B43_PHY_BBANDCFG_RXANT_SHIFT;
  481. b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);
  482. if (autodiv) {
  483. tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
  484. if (antenna == B43_ANTENNA_AUTO0)
  485. tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
  486. else
  487. tmp |= B43_PHY_ANTDWELL_AUTODIV1;
  488. b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
  489. }
  490. if (phy->rev < 3) {
  491. tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
  492. tmp = (tmp & 0xFF00) | 0x24;
  493. b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
  494. } else {
  495. tmp = b43_phy_read(dev, B43_PHY_OFDM61);
  496. tmp |= 0x10;
  497. b43_phy_write(dev, B43_PHY_OFDM61, tmp);
  498. if (phy->analog == 3) {
  499. b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
  500. 0x1D);
  501. b43_phy_write(dev, B43_PHY_ADIVRELATED,
  502. 8);
  503. } else {
  504. b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
  505. 0x3A);
  506. tmp =
  507. b43_phy_read(dev,
  508. B43_PHY_ADIVRELATED);
  509. tmp = (tmp & 0xFF00) | 8;
  510. b43_phy_write(dev, B43_PHY_ADIVRELATED,
  511. tmp);
  512. }
  513. }
  514. hf |= B43_HF_ANTDIVHELP;
  515. b43_hf_write(dev, hf);
  516. }
  517. static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
  518. {//TODO
  519. }
  520. static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
  521. bool ignore_tssi)
  522. {//TODO
  523. return B43_TXPWR_RES_DONE;
  524. }
  525. static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
  526. {//TODO
  527. }
  528. static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
  529. {//TODO
  530. }
  531. const struct b43_phy_operations b43_phyops_a = {
  532. .allocate = b43_aphy_op_allocate,
  533. .free = b43_aphy_op_free,
  534. .prepare_structs = b43_aphy_op_prepare_structs,
  535. .init = b43_aphy_op_init,
  536. .phy_read = b43_aphy_op_read,
  537. .phy_write = b43_aphy_op_write,
  538. .radio_read = b43_aphy_op_radio_read,
  539. .radio_write = b43_aphy_op_radio_write,
  540. .supports_hwpctl = b43_aphy_op_supports_hwpctl,
  541. .software_rfkill = b43_aphy_op_software_rfkill,
  542. .switch_analog = b43_phyop_switch_analog_generic,
  543. .switch_channel = b43_aphy_op_switch_channel,
  544. .get_default_chan = b43_aphy_op_get_default_chan,
  545. .set_rx_antenna = b43_aphy_op_set_rx_antenna,
  546. .recalc_txpower = b43_aphy_op_recalc_txpower,
  547. .adjust_txpower = b43_aphy_op_adjust_txpower,
  548. .pwork_15sec = b43_aphy_op_pwork_15sec,
  549. .pwork_60sec = b43_aphy_op_pwork_60sec,
  550. };