Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Broadcom B43 wireless driver |
| 4 | IEEE 802.11n HT-PHY support |
| 5 | |
Rafał Miłecki | 108f4f3 | 2011-09-03 21:01:02 +0200 | [diff] [blame] | 6 | Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com> |
| 7 | |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 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 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; see the file COPYING. If not, write to |
| 20 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| 21 | Boston, MA 02110-1301, USA. |
| 22 | |
| 23 | */ |
| 24 | |
| 25 | #include <linux/slab.h> |
| 26 | |
| 27 | #include "b43.h" |
| 28 | #include "phy_ht.h" |
Rafał Miłecki | e5b6100 | 2011-06-27 14:58:52 +0200 | [diff] [blame] | 29 | #include "tables_phy_ht.h" |
Rafał Miłecki | 5192bf5 | 2011-06-19 12:17:19 +0200 | [diff] [blame] | 30 | #include "radio_2059.h" |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 31 | #include "main.h" |
| 32 | |
Rafał Miłecki | 2d551f1 | 2013-03-19 18:12:00 +0100 | [diff] [blame^] | 33 | /* Force values to keep compatibility with wl */ |
| 34 | enum ht_rssi_type { |
| 35 | HT_RSSI_W1 = 0, |
| 36 | HT_RSSI_W2 = 1, |
| 37 | HT_RSSI_NB = 2, |
| 38 | HT_RSSI_IQ = 3, |
| 39 | HT_RSSI_TSSI_2G = 4, |
| 40 | HT_RSSI_TSSI_5G = 5, |
| 41 | HT_RSSI_TBD = 6, |
| 42 | }; |
| 43 | |
Rafał Miłecki | 3e644ab | 2011-06-28 00:08:53 +0200 | [diff] [blame] | 44 | /************************************************** |
| 45 | * Radio 2059. |
| 46 | **************************************************/ |
| 47 | |
Rafał Miłecki | 39ca554 | 2011-06-19 12:17:20 +0200 | [diff] [blame] | 48 | static void b43_radio_2059_channel_setup(struct b43_wldev *dev, |
| 49 | const struct b43_phy_ht_channeltab_e_radio2059 *e) |
| 50 | { |
Rafał Miłecki | 9a0bc41 | 2013-03-16 23:40:01 +0100 | [diff] [blame] | 51 | static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3, }; |
| 52 | u16 r; |
| 53 | int core; |
Rafał Miłecki | a6b7da5 | 2011-06-19 12:17:21 +0200 | [diff] [blame] | 54 | |
| 55 | b43_radio_write(dev, 0x16, e->radio_syn16); |
| 56 | b43_radio_write(dev, 0x17, e->radio_syn17); |
| 57 | b43_radio_write(dev, 0x22, e->radio_syn22); |
| 58 | b43_radio_write(dev, 0x25, e->radio_syn25); |
| 59 | b43_radio_write(dev, 0x27, e->radio_syn27); |
| 60 | b43_radio_write(dev, 0x28, e->radio_syn28); |
| 61 | b43_radio_write(dev, 0x29, e->radio_syn29); |
| 62 | b43_radio_write(dev, 0x2c, e->radio_syn2c); |
| 63 | b43_radio_write(dev, 0x2d, e->radio_syn2d); |
| 64 | b43_radio_write(dev, 0x37, e->radio_syn37); |
| 65 | b43_radio_write(dev, 0x41, e->radio_syn41); |
| 66 | b43_radio_write(dev, 0x43, e->radio_syn43); |
| 67 | b43_radio_write(dev, 0x47, e->radio_syn47); |
Rafał Miłecki | a6b7da5 | 2011-06-19 12:17:21 +0200 | [diff] [blame] | 68 | |
Rafał Miłecki | 9a0bc41 | 2013-03-16 23:40:01 +0100 | [diff] [blame] | 69 | for (core = 0; core < 3; core++) { |
| 70 | r = routing[core]; |
| 71 | b43_radio_write(dev, r | 0x4a, e->radio_rxtx4a); |
| 72 | b43_radio_write(dev, r | 0x58, e->radio_rxtx58); |
| 73 | b43_radio_write(dev, r | 0x5a, e->radio_rxtx5a); |
| 74 | b43_radio_write(dev, r | 0x6a, e->radio_rxtx6a); |
| 75 | b43_radio_write(dev, r | 0x6d, e->radio_rxtx6d); |
| 76 | b43_radio_write(dev, r | 0x6e, e->radio_rxtx6e); |
| 77 | b43_radio_write(dev, r | 0x92, e->radio_rxtx92); |
| 78 | b43_radio_write(dev, r | 0x98, e->radio_rxtx98); |
Rafał Miłecki | a6b7da5 | 2011-06-19 12:17:21 +0200 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | udelay(50); |
| 82 | |
Rafał Miłecki | c1c3dae | 2011-06-20 03:12:19 +0200 | [diff] [blame] | 83 | /* Calibration */ |
| 84 | b43_radio_mask(dev, 0x2b, ~0x1); |
| 85 | b43_radio_mask(dev, 0x2e, ~0x4); |
| 86 | b43_radio_set(dev, 0x2e, 0x4); |
| 87 | b43_radio_set(dev, 0x2b, 0x1); |
| 88 | |
| 89 | udelay(300); |
Rafał Miłecki | 39ca554 | 2011-06-19 12:17:20 +0200 | [diff] [blame] | 90 | } |
| 91 | |
Rafał Miłecki | 3e644ab | 2011-06-28 00:08:53 +0200 | [diff] [blame] | 92 | static void b43_radio_2059_init(struct b43_wldev *dev) |
| 93 | { |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 94 | const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3 }; |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 95 | const u16 radio_values[3][2] = { |
| 96 | { 0x61, 0xE9 }, { 0x69, 0xD5 }, { 0x73, 0x99 }, |
| 97 | }; |
| 98 | u16 i, j; |
Rafał Miłecki | 3e644ab | 2011-06-28 00:08:53 +0200 | [diff] [blame] | 99 | |
| 100 | b43_radio_write(dev, R2059_ALL | 0x51, 0x0070); |
| 101 | b43_radio_write(dev, R2059_ALL | 0x5a, 0x0003); |
| 102 | |
| 103 | for (i = 0; i < ARRAY_SIZE(routing); i++) |
| 104 | b43_radio_set(dev, routing[i] | 0x146, 0x3); |
| 105 | |
| 106 | b43_radio_set(dev, 0x2e, 0x0078); |
| 107 | b43_radio_set(dev, 0xc0, 0x0080); |
| 108 | msleep(2); |
| 109 | b43_radio_mask(dev, 0x2e, ~0x0078); |
| 110 | b43_radio_mask(dev, 0xc0, ~0x0080); |
| 111 | |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 112 | if (1) { /* FIXME */ |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 113 | b43_radio_set(dev, R2059_C3 | 0x4, 0x1); |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 114 | udelay(10); |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 115 | b43_radio_set(dev, R2059_C3 | 0x0BF, 0x1); |
| 116 | b43_radio_maskset(dev, R2059_C3 | 0x19B, 0x3, 0x2); |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 117 | |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 118 | b43_radio_set(dev, R2059_C3 | 0x4, 0x2); |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 119 | udelay(100); |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 120 | b43_radio_mask(dev, R2059_C3 | 0x4, ~0x2); |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 121 | |
| 122 | for (i = 0; i < 10000; i++) { |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 123 | if (b43_radio_read(dev, R2059_C3 | 0x145) & 1) { |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 124 | i = 0; |
| 125 | break; |
| 126 | } |
| 127 | udelay(100); |
| 128 | } |
| 129 | if (i) |
| 130 | b43err(dev->wl, "radio 0x945 timeout\n"); |
| 131 | |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 132 | b43_radio_mask(dev, R2059_C3 | 0x4, ~0x1); |
Rafał Miłecki | a5f377f | 2011-06-29 00:56:49 +0200 | [diff] [blame] | 133 | b43_radio_set(dev, 0xa, 0x60); |
| 134 | |
| 135 | for (i = 0; i < 3; i++) { |
| 136 | b43_radio_write(dev, 0x17F, radio_values[i][0]); |
| 137 | b43_radio_write(dev, 0x13D, 0x6E); |
| 138 | b43_radio_write(dev, 0x13E, radio_values[i][1]); |
| 139 | b43_radio_write(dev, 0x13C, 0x55); |
| 140 | |
| 141 | for (j = 0; j < 10000; j++) { |
| 142 | if (b43_radio_read(dev, 0x140) & 2) { |
| 143 | j = 0; |
| 144 | break; |
| 145 | } |
| 146 | udelay(500); |
| 147 | } |
| 148 | if (j) |
| 149 | b43err(dev->wl, "radio 0x140 timeout\n"); |
| 150 | |
| 151 | b43_radio_write(dev, 0x13C, 0x15); |
| 152 | } |
| 153 | |
| 154 | b43_radio_mask(dev, 0x17F, ~0x1); |
| 155 | } |
| 156 | |
Rafał Miłecki | b473bc1 | 2011-07-17 10:30:34 +0200 | [diff] [blame] | 157 | b43_radio_mask(dev, 0x11, ~0x0008); |
Rafał Miłecki | 3e644ab | 2011-06-28 00:08:53 +0200 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | /************************************************** |
Rafał Miłecki | 4cce095 | 2013-03-07 16:47:20 +0100 | [diff] [blame] | 161 | * RF |
| 162 | **************************************************/ |
| 163 | |
| 164 | static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq) |
| 165 | { |
| 166 | u8 i; |
| 167 | |
| 168 | u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE); |
| 169 | b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3); |
| 170 | |
| 171 | b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq); |
| 172 | for (i = 0; i < 200; i++) { |
| 173 | if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) { |
| 174 | i = 0; |
| 175 | break; |
| 176 | } |
| 177 | msleep(1); |
| 178 | } |
| 179 | if (i) |
| 180 | b43err(dev->wl, "Forcing RF sequence timeout\n"); |
| 181 | |
| 182 | b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode); |
| 183 | } |
| 184 | |
Rafał Miłecki | a51ab25 | 2013-03-09 13:49:01 +0100 | [diff] [blame] | 185 | static void b43_phy_ht_pa_override(struct b43_wldev *dev, bool enable) |
| 186 | { |
| 187 | struct b43_phy_ht *htphy = dev->phy.ht; |
| 188 | static const u16 regs[3] = { B43_PHY_HT_RF_CTL_INT_C1, |
| 189 | B43_PHY_HT_RF_CTL_INT_C2, |
| 190 | B43_PHY_HT_RF_CTL_INT_C3 }; |
| 191 | int i; |
| 192 | |
| 193 | if (enable) { |
| 194 | for (i = 0; i < 3; i++) |
| 195 | b43_phy_write(dev, regs[i], htphy->rf_ctl_int_save[i]); |
| 196 | } else { |
| 197 | for (i = 0; i < 3; i++) |
| 198 | htphy->rf_ctl_int_save[i] = b43_phy_read(dev, regs[i]); |
| 199 | /* TODO: Does 5GHz band use different value (not 0x0400)? */ |
| 200 | for (i = 0; i < 3; i++) |
| 201 | b43_phy_write(dev, regs[i], 0x0400); |
| 202 | } |
| 203 | } |
| 204 | |
Rafał Miłecki | 4cce095 | 2013-03-07 16:47:20 +0100 | [diff] [blame] | 205 | /************************************************** |
Rafał Miłecki | 15222b5 | 2011-08-12 13:13:44 +0200 | [diff] [blame] | 206 | * Various PHY ops |
| 207 | **************************************************/ |
| 208 | |
Rafał Miłecki | b372afa | 2013-03-07 16:47:16 +0100 | [diff] [blame] | 209 | static u16 b43_phy_ht_classifier(struct b43_wldev *dev, u16 mask, u16 val) |
| 210 | { |
| 211 | u16 tmp; |
| 212 | u16 allowed = B43_PHY_HT_CLASS_CTL_CCK_EN | |
| 213 | B43_PHY_HT_CLASS_CTL_OFDM_EN | |
| 214 | B43_PHY_HT_CLASS_CTL_WAITED_EN; |
| 215 | |
| 216 | tmp = b43_phy_read(dev, B43_PHY_HT_CLASS_CTL); |
| 217 | tmp &= allowed; |
| 218 | tmp &= ~mask; |
| 219 | tmp |= (val & mask); |
| 220 | b43_phy_maskset(dev, B43_PHY_HT_CLASS_CTL, ~allowed, tmp); |
| 221 | |
| 222 | return tmp; |
| 223 | } |
| 224 | |
Rafał Miłecki | 4cce095 | 2013-03-07 16:47:20 +0100 | [diff] [blame] | 225 | static void b43_phy_ht_reset_cca(struct b43_wldev *dev) |
| 226 | { |
| 227 | u16 bbcfg; |
| 228 | |
| 229 | b43_phy_force_clock(dev, true); |
| 230 | bbcfg = b43_phy_read(dev, B43_PHY_HT_BBCFG); |
| 231 | b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg | B43_PHY_HT_BBCFG_RSTCCA); |
| 232 | udelay(1); |
| 233 | b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg & ~B43_PHY_HT_BBCFG_RSTCCA); |
| 234 | b43_phy_force_clock(dev, false); |
| 235 | |
| 236 | b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX); |
| 237 | } |
| 238 | |
Rafał Miłecki | 15222b5 | 2011-08-12 13:13:44 +0200 | [diff] [blame] | 239 | static void b43_phy_ht_zero_extg(struct b43_wldev *dev) |
| 240 | { |
| 241 | u8 i, j; |
| 242 | u16 base[] = { 0x40, 0x60, 0x80 }; |
| 243 | |
| 244 | for (i = 0; i < ARRAY_SIZE(base); i++) { |
| 245 | for (j = 0; j < 4; j++) |
| 246 | b43_phy_write(dev, B43_PHY_EXTG(base[i] + j), 0); |
| 247 | } |
| 248 | |
| 249 | for (i = 0; i < ARRAY_SIZE(base); i++) |
| 250 | b43_phy_write(dev, B43_PHY_EXTG(base[i] + 0xc), 0); |
| 251 | } |
| 252 | |
Rafał Miłecki | a4042bb | 2011-08-13 01:41:12 +0200 | [diff] [blame] | 253 | /* Some unknown AFE (Analog Frondned) op */ |
| 254 | static void b43_phy_ht_afe_unk1(struct b43_wldev *dev) |
| 255 | { |
| 256 | u8 i; |
| 257 | |
Rafał Miłecki | 4760692 | 2013-03-09 13:43:49 +0100 | [diff] [blame] | 258 | static const u16 ctl_regs[3][2] = { |
| 259 | { B43_PHY_HT_AFE_C1_OVER, B43_PHY_HT_AFE_C1 }, |
| 260 | { B43_PHY_HT_AFE_C2_OVER, B43_PHY_HT_AFE_C2 }, |
| 261 | { B43_PHY_HT_AFE_C3_OVER, B43_PHY_HT_AFE_C3}, |
Rafał Miłecki | a4042bb | 2011-08-13 01:41:12 +0200 | [diff] [blame] | 262 | }; |
| 263 | |
| 264 | for (i = 0; i < 3; i++) { |
| 265 | /* TODO: verify masks&sets */ |
| 266 | b43_phy_set(dev, ctl_regs[i][1], 0x4); |
| 267 | b43_phy_set(dev, ctl_regs[i][0], 0x4); |
| 268 | b43_phy_mask(dev, ctl_regs[i][1], ~0x1); |
| 269 | b43_phy_set(dev, ctl_regs[i][0], 0x1); |
| 270 | b43_httab_write(dev, B43_HTTAB16(8, 5 + (i * 0x10)), 0); |
| 271 | b43_phy_mask(dev, ctl_regs[i][0], ~0x4); |
| 272 | } |
| 273 | } |
| 274 | |
Rafał Miłecki | ea5a08c | 2011-08-24 11:52:35 +0200 | [diff] [blame] | 275 | static void b43_phy_ht_read_clip_detection(struct b43_wldev *dev, u16 *clip_st) |
| 276 | { |
| 277 | clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES); |
| 278 | clip_st[1] = b43_phy_read(dev, B43_PHY_HT_C2_CLIP1THRES); |
| 279 | clip_st[2] = b43_phy_read(dev, B43_PHY_HT_C3_CLIP1THRES); |
| 280 | } |
| 281 | |
Rafał Miłecki | b505834 | 2011-08-12 15:27:34 +0200 | [diff] [blame] | 282 | static void b43_phy_ht_bphy_init(struct b43_wldev *dev) |
| 283 | { |
| 284 | unsigned int i; |
| 285 | u16 val; |
| 286 | |
| 287 | val = 0x1E1F; |
| 288 | for (i = 0; i < 16; i++) { |
| 289 | b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val); |
| 290 | val -= 0x202; |
| 291 | } |
| 292 | val = 0x3E3F; |
| 293 | for (i = 0; i < 16; i++) { |
| 294 | b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val); |
| 295 | val -= 0x202; |
| 296 | } |
| 297 | b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668); |
| 298 | } |
| 299 | |
Rafał Miłecki | 15222b5 | 2011-08-12 13:13:44 +0200 | [diff] [blame] | 300 | /************************************************** |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 301 | * Samples |
| 302 | **************************************************/ |
| 303 | |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 304 | static void b43_phy_ht_stop_playback(struct b43_wldev *dev) |
| 305 | { |
| 306 | struct b43_phy_ht *phy_ht = dev->phy.ht; |
| 307 | u16 tmp; |
| 308 | int i; |
| 309 | |
| 310 | tmp = b43_phy_read(dev, B43_PHY_HT_SAMP_STAT); |
| 311 | if (tmp & 0x1) |
| 312 | b43_phy_set(dev, B43_PHY_HT_SAMP_CMD, B43_PHY_HT_SAMP_CMD_STOP); |
| 313 | else if (tmp & 0x2) |
| 314 | b43_phy_mask(dev, B43_PHY_HT_IQLOCAL_CMDGCTL, 0x7FFF); |
| 315 | |
| 316 | b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0x0004); |
| 317 | |
| 318 | for (i = 0; i < 3; i++) { |
| 319 | if (phy_ht->bb_mult_save[i] >= 0) { |
| 320 | b43_httab_write(dev, B43_HTTAB16(13, 0x63 + i * 4), |
| 321 | phy_ht->bb_mult_save[i]); |
| 322 | b43_httab_write(dev, B43_HTTAB16(13, 0x67 + i * 4), |
| 323 | phy_ht->bb_mult_save[i]); |
| 324 | } |
| 325 | } |
| 326 | } |
Rafał Miłecki | 396535e | 2013-03-07 16:47:24 +0100 | [diff] [blame] | 327 | |
| 328 | static u16 b43_phy_ht_load_samples(struct b43_wldev *dev) |
| 329 | { |
| 330 | int i; |
| 331 | u16 len = 20 << 3; |
| 332 | |
| 333 | b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, 0x4400); |
| 334 | |
| 335 | for (i = 0; i < len; i++) { |
| 336 | b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI, 0); |
| 337 | b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, 0); |
| 338 | } |
| 339 | |
| 340 | return len; |
| 341 | } |
| 342 | |
| 343 | static void b43_phy_ht_run_samples(struct b43_wldev *dev, u16 samps, u16 loops, |
| 344 | u16 wait) |
| 345 | { |
| 346 | struct b43_phy_ht *phy_ht = dev->phy.ht; |
| 347 | u16 save_seq_mode; |
| 348 | int i; |
| 349 | |
| 350 | for (i = 0; i < 3; i++) { |
| 351 | if (phy_ht->bb_mult_save[i] < 0) |
| 352 | phy_ht->bb_mult_save[i] = b43_httab_read(dev, B43_HTTAB16(13, 0x63 + i * 4)); |
| 353 | } |
| 354 | |
| 355 | b43_phy_write(dev, B43_PHY_HT_SAMP_DEP_CNT, samps - 1); |
| 356 | if (loops != 0xFFFF) |
| 357 | loops--; |
| 358 | b43_phy_write(dev, B43_PHY_HT_SAMP_LOOP_CNT, loops); |
| 359 | b43_phy_write(dev, B43_PHY_HT_SAMP_WAIT_CNT, wait); |
| 360 | |
| 361 | save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE); |
| 362 | b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, |
| 363 | B43_PHY_HT_RF_SEQ_MODE_CA_OVER); |
| 364 | |
| 365 | /* TODO: find out mask bits! Do we need more function arguments? */ |
| 366 | b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0); |
| 367 | b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0); |
| 368 | b43_phy_mask(dev, B43_PHY_HT_IQLOCAL_CMDGCTL, ~0); |
| 369 | b43_phy_set(dev, B43_PHY_HT_SAMP_CMD, 0x1); |
| 370 | |
| 371 | for (i = 0; i < 100; i++) { |
| 372 | if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & 1)) { |
| 373 | i = 0; |
| 374 | break; |
| 375 | } |
| 376 | udelay(10); |
| 377 | } |
| 378 | if (i) |
| 379 | b43err(dev->wl, "run samples timeout\n"); |
| 380 | |
| 381 | b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode); |
| 382 | } |
| 383 | |
| 384 | static void b43_phy_ht_tx_tone(struct b43_wldev *dev) |
| 385 | { |
| 386 | u16 samp; |
| 387 | |
| 388 | samp = b43_phy_ht_load_samples(dev); |
| 389 | b43_phy_ht_run_samples(dev, samp, 0xFFFF, 0); |
| 390 | } |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 391 | |
| 392 | /************************************************** |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 393 | * RSSI |
| 394 | **************************************************/ |
| 395 | |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 396 | static void b43_phy_ht_rssi_select(struct b43_wldev *dev, u8 core_sel, |
Rafał Miłecki | 2d551f1 | 2013-03-19 18:12:00 +0100 | [diff] [blame^] | 397 | enum ht_rssi_type rssi_type) |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 398 | { |
| 399 | static const u16 ctl_regs[3][2] = { |
| 400 | { B43_PHY_HT_AFE_C1, B43_PHY_HT_AFE_C1_OVER, }, |
| 401 | { B43_PHY_HT_AFE_C2, B43_PHY_HT_AFE_C2_OVER, }, |
| 402 | { B43_PHY_HT_AFE_C3, B43_PHY_HT_AFE_C3_OVER, }, |
| 403 | }; |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 404 | static const u16 radio_r[] = { R2059_C1, R2059_C2, R2059_C3, }; |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 405 | int core; |
| 406 | |
| 407 | if (core_sel == 0) { |
| 408 | b43err(dev->wl, "RSSI selection for core off not implemented yet\n"); |
| 409 | } else { |
| 410 | for (core = 0; core < 3; core++) { |
| 411 | /* Check if caller requested a one specific core */ |
| 412 | if ((core_sel == 1 && core != 0) || |
| 413 | (core_sel == 2 && core != 1) || |
| 414 | (core_sel == 3 && core != 2)) |
| 415 | continue; |
| 416 | |
| 417 | switch (rssi_type) { |
Rafał Miłecki | 2d551f1 | 2013-03-19 18:12:00 +0100 | [diff] [blame^] | 418 | case HT_RSSI_TSSI_2G: |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 419 | b43_phy_set(dev, ctl_regs[core][0], 0x3 << 8); |
| 420 | b43_phy_set(dev, ctl_regs[core][0], 0x3 << 10); |
| 421 | b43_phy_set(dev, ctl_regs[core][1], 0x1 << 9); |
| 422 | b43_phy_set(dev, ctl_regs[core][1], 0x1 << 10); |
| 423 | |
Rafał Miłecki | d6657db | 2013-03-16 23:24:21 +0100 | [diff] [blame] | 424 | b43_radio_set(dev, R2059_C3 | 0xbf, 0x1); |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 425 | b43_radio_write(dev, radio_r[core] | 0x159, |
| 426 | 0x11); |
| 427 | break; |
| 428 | default: |
| 429 | b43err(dev->wl, "RSSI selection for type %d not implemented yet\n", |
| 430 | rssi_type); |
| 431 | } |
| 432 | } |
| 433 | } |
| 434 | } |
| 435 | |
Rafał Miłecki | 2d551f1 | 2013-03-19 18:12:00 +0100 | [diff] [blame^] | 436 | static void b43_phy_ht_poll_rssi(struct b43_wldev *dev, enum ht_rssi_type type, |
| 437 | s32 *buf, u8 nsamp) |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 438 | { |
| 439 | u16 phy_regs_values[12]; |
| 440 | static const u16 phy_regs_to_save[] = { |
| 441 | B43_PHY_HT_AFE_C1, B43_PHY_HT_AFE_C1_OVER, |
| 442 | 0x848, 0x841, |
| 443 | B43_PHY_HT_AFE_C2, B43_PHY_HT_AFE_C2_OVER, |
| 444 | 0x868, 0x861, |
| 445 | B43_PHY_HT_AFE_C3, B43_PHY_HT_AFE_C3_OVER, |
| 446 | 0x888, 0x881, |
| 447 | }; |
| 448 | u16 tmp[3]; |
| 449 | int i; |
| 450 | |
| 451 | for (i = 0; i < 12; i++) |
| 452 | phy_regs_values[i] = b43_phy_read(dev, phy_regs_to_save[i]); |
| 453 | |
| 454 | b43_phy_ht_rssi_select(dev, 5, type); |
| 455 | |
| 456 | for (i = 0; i < 6; i++) |
| 457 | buf[i] = 0; |
| 458 | |
| 459 | for (i = 0; i < nsamp; i++) { |
| 460 | tmp[0] = b43_phy_read(dev, B43_PHY_HT_RSSI_C1); |
| 461 | tmp[1] = b43_phy_read(dev, B43_PHY_HT_RSSI_C2); |
| 462 | tmp[2] = b43_phy_read(dev, B43_PHY_HT_RSSI_C3); |
| 463 | |
| 464 | buf[0] += ((s8)((tmp[0] & 0x3F) << 2)) >> 2; |
| 465 | buf[1] += ((s8)(((tmp[0] >> 8) & 0x3F) << 2)) >> 2; |
| 466 | buf[2] += ((s8)((tmp[1] & 0x3F) << 2)) >> 2; |
| 467 | buf[3] += ((s8)(((tmp[1] >> 8) & 0x3F) << 2)) >> 2; |
| 468 | buf[4] += ((s8)((tmp[2] & 0x3F) << 2)) >> 2; |
| 469 | buf[5] += ((s8)(((tmp[2] >> 8) & 0x3F) << 2)) >> 2; |
| 470 | } |
| 471 | |
| 472 | for (i = 0; i < 12; i++) |
| 473 | b43_phy_write(dev, phy_regs_to_save[i], phy_regs_values[i]); |
| 474 | } |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 475 | |
| 476 | /************************************************** |
Rafał Miłecki | f6099f8 | 2013-03-07 16:47:17 +0100 | [diff] [blame] | 477 | * Tx/Rx |
| 478 | **************************************************/ |
| 479 | |
| 480 | static void b43_phy_ht_tx_power_fix(struct b43_wldev *dev) |
| 481 | { |
| 482 | int i; |
| 483 | |
| 484 | for (i = 0; i < 3; i++) { |
| 485 | u16 mask; |
| 486 | u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8)); |
| 487 | |
| 488 | if (0) /* FIXME */ |
| 489 | mask = 0x2 << (i * 4); |
| 490 | else |
| 491 | mask = 0; |
| 492 | b43_phy_mask(dev, B43_PHY_EXTG(0x108), mask); |
| 493 | |
| 494 | b43_httab_write(dev, B43_HTTAB16(7, 0x110 + i), tmp >> 16); |
| 495 | b43_httab_write(dev, B43_HTTAB8(13, 0x63 + (i * 4)), |
| 496 | tmp & 0xFF); |
| 497 | b43_httab_write(dev, B43_HTTAB8(13, 0x73 + (i * 4)), |
| 498 | tmp & 0xFF); |
| 499 | } |
| 500 | } |
| 501 | |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 502 | static void b43_phy_ht_tx_power_ctl(struct b43_wldev *dev, bool enable) |
| 503 | { |
| 504 | struct b43_phy_ht *phy_ht = dev->phy.ht; |
| 505 | u16 en_bits = B43_PHY_HT_TXPCTL_CMD_C1_COEFF | |
| 506 | B43_PHY_HT_TXPCTL_CMD_C1_HWPCTLEN | |
| 507 | B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN; |
| 508 | static const u16 cmd_regs[3] = { B43_PHY_HT_TXPCTL_CMD_C1, |
| 509 | B43_PHY_HT_TXPCTL_CMD_C2, |
| 510 | B43_PHY_HT_TXPCTL_CMD_C3 }; |
Rafał Miłecki | 418e8b6 | 2013-03-17 19:49:08 +0100 | [diff] [blame] | 511 | static const u16 status_regs[3] = { B43_PHY_HT_TX_PCTL_STATUS_C1, |
| 512 | B43_PHY_HT_TX_PCTL_STATUS_C2, |
| 513 | B43_PHY_HT_TX_PCTL_STATUS_C3 }; |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 514 | int i; |
| 515 | |
| 516 | if (!enable) { |
| 517 | if (b43_phy_read(dev, B43_PHY_HT_TXPCTL_CMD_C1) & en_bits) { |
| 518 | /* We disable enabled TX pwr ctl, save it's state */ |
Rafał Miłecki | 418e8b6 | 2013-03-17 19:49:08 +0100 | [diff] [blame] | 519 | for (i = 0; i < 3; i++) |
| 520 | phy_ht->tx_pwr_idx[i] = |
| 521 | b43_phy_read(dev, status_regs[i]); |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 522 | } |
| 523 | b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1, ~en_bits); |
| 524 | } else { |
| 525 | b43_phy_set(dev, B43_PHY_HT_TXPCTL_CMD_C1, en_bits); |
| 526 | |
| 527 | if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { |
| 528 | for (i = 0; i < 3; i++) |
| 529 | b43_phy_write(dev, cmd_regs[i], 0x32); |
| 530 | } |
| 531 | |
| 532 | for (i = 0; i < 3; i++) |
| 533 | if (phy_ht->tx_pwr_idx[i] <= |
| 534 | B43_PHY_HT_TXPCTL_CMD_C1_INIT) |
| 535 | b43_phy_write(dev, cmd_regs[i], |
| 536 | phy_ht->tx_pwr_idx[i]); |
| 537 | } |
| 538 | |
| 539 | phy_ht->tx_pwr_ctl = enable; |
| 540 | } |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 541 | |
| 542 | static void b43_phy_ht_tx_power_ctl_idle_tssi(struct b43_wldev *dev) |
| 543 | { |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 544 | struct b43_phy_ht *phy_ht = dev->phy.ht; |
Rafał Miłecki | 9cfc17c | 2013-03-16 23:47:29 +0100 | [diff] [blame] | 545 | static const u16 base[] = { 0x840, 0x860, 0x880 }; |
| 546 | u16 save_regs[3][3]; |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 547 | s32 rssi_buf[6]; |
Rafał Miłecki | 9cfc17c | 2013-03-16 23:47:29 +0100 | [diff] [blame] | 548 | int core; |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 549 | |
Rafał Miłecki | 9cfc17c | 2013-03-16 23:47:29 +0100 | [diff] [blame] | 550 | for (core = 0; core < 3; core++) { |
| 551 | save_regs[core][1] = b43_phy_read(dev, base[core] + 6); |
| 552 | save_regs[core][2] = b43_phy_read(dev, base[core] + 7); |
| 553 | save_regs[core][0] = b43_phy_read(dev, base[core] + 0); |
| 554 | |
| 555 | b43_phy_write(dev, base[core] + 6, 0); |
| 556 | b43_phy_mask(dev, base[core] + 7, ~0xF); /* 0xF? Or just 0x6? */ |
| 557 | b43_phy_set(dev, base[core] + 0, 0x0400); |
| 558 | b43_phy_set(dev, base[core] + 0, 0x1000); |
| 559 | } |
Rafał Miłecki | 396535e | 2013-03-07 16:47:24 +0100 | [diff] [blame] | 560 | |
| 561 | b43_phy_ht_tx_tone(dev); |
| 562 | udelay(20); |
Rafał Miłecki | 2d551f1 | 2013-03-19 18:12:00 +0100 | [diff] [blame^] | 563 | b43_phy_ht_poll_rssi(dev, HT_RSSI_TSSI_2G, rssi_buf, 1); |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 564 | b43_phy_ht_stop_playback(dev); |
Rafał Miłecki | 4409a23 | 2013-03-09 13:56:26 +0100 | [diff] [blame] | 565 | b43_phy_ht_reset_cca(dev); |
| 566 | |
| 567 | phy_ht->idle_tssi[0] = rssi_buf[0] & 0xff; |
| 568 | phy_ht->idle_tssi[1] = rssi_buf[2] & 0xff; |
| 569 | phy_ht->idle_tssi[2] = rssi_buf[4] & 0xff; |
Rafał Miłecki | 396535e | 2013-03-07 16:47:24 +0100 | [diff] [blame] | 570 | |
Rafał Miłecki | 9cfc17c | 2013-03-16 23:47:29 +0100 | [diff] [blame] | 571 | for (core = 0; core < 3; core++) { |
| 572 | b43_phy_write(dev, base[core] + 0, save_regs[core][0]); |
| 573 | b43_phy_write(dev, base[core] + 6, save_regs[core][1]); |
| 574 | b43_phy_write(dev, base[core] + 7, save_regs[core][2]); |
| 575 | } |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 576 | } |
Rafał Miłecki | 5949e04 | 2013-03-07 16:47:26 +0100 | [diff] [blame] | 577 | |
Rafał Miłecki | dc3c4e1 | 2013-03-16 23:57:10 +0100 | [diff] [blame] | 578 | static void b43_phy_ht_tssi_setup(struct b43_wldev *dev) |
| 579 | { |
| 580 | static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3, }; |
| 581 | int core; |
| 582 | |
| 583 | /* 0x159 is probably TX_SSI_MUX or TSSIG (by comparing to N-PHY) */ |
| 584 | for (core = 0; core < 3; core++) { |
| 585 | b43_radio_set(dev, 0x8bf, 0x1); |
| 586 | b43_radio_write(dev, routing[core] | 0x0159, 0x0011); |
| 587 | } |
| 588 | } |
| 589 | |
Rafał Miłecki | 5949e04 | 2013-03-07 16:47:26 +0100 | [diff] [blame] | 590 | static void b43_phy_ht_tx_power_ctl_setup(struct b43_wldev *dev) |
| 591 | { |
| 592 | struct b43_phy_ht *phy_ht = dev->phy.ht; |
| 593 | struct ssb_sprom *sprom = dev->dev->bus_sprom; |
| 594 | |
| 595 | u8 *idle = phy_ht->idle_tssi; |
| 596 | u8 target[3]; |
| 597 | s16 a1[3], b0[3], b1[3]; |
| 598 | |
| 599 | u16 freq = dev->phy.channel_freq; |
| 600 | int i, c; |
| 601 | |
| 602 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { |
| 603 | for (c = 0; c < 3; c++) { |
| 604 | target[c] = sprom->core_pwr_info[c].maxpwr_2g; |
| 605 | a1[c] = sprom->core_pwr_info[c].pa_2g[0]; |
| 606 | b0[c] = sprom->core_pwr_info[c].pa_2g[1]; |
| 607 | b1[c] = sprom->core_pwr_info[c].pa_2g[2]; |
| 608 | } |
| 609 | } else if (freq >= 4900 && freq < 5100) { |
| 610 | for (c = 0; c < 3; c++) { |
| 611 | target[c] = sprom->core_pwr_info[c].maxpwr_5gl; |
| 612 | a1[c] = sprom->core_pwr_info[c].pa_5gl[0]; |
| 613 | b0[c] = sprom->core_pwr_info[c].pa_5gl[1]; |
| 614 | b1[c] = sprom->core_pwr_info[c].pa_5gl[2]; |
| 615 | } |
| 616 | } else if (freq >= 5100 && freq < 5500) { |
| 617 | for (c = 0; c < 3; c++) { |
| 618 | target[c] = sprom->core_pwr_info[c].maxpwr_5g; |
| 619 | a1[c] = sprom->core_pwr_info[c].pa_5g[0]; |
| 620 | b0[c] = sprom->core_pwr_info[c].pa_5g[1]; |
| 621 | b1[c] = sprom->core_pwr_info[c].pa_5g[2]; |
| 622 | } |
| 623 | } else if (freq >= 5500) { |
| 624 | for (c = 0; c < 3; c++) { |
| 625 | target[c] = sprom->core_pwr_info[c].maxpwr_5gh; |
| 626 | a1[c] = sprom->core_pwr_info[c].pa_5gh[0]; |
| 627 | b0[c] = sprom->core_pwr_info[c].pa_5gh[1]; |
| 628 | b1[c] = sprom->core_pwr_info[c].pa_5gh[2]; |
| 629 | } |
| 630 | } else { |
| 631 | target[0] = target[1] = target[2] = 52; |
| 632 | a1[0] = a1[1] = a1[2] = -424; |
| 633 | b0[0] = b0[1] = b0[2] = 5612; |
| 634 | b1[0] = b1[1] = b1[2] = -1393; |
| 635 | } |
| 636 | |
| 637 | b43_phy_set(dev, B43_PHY_HT_TSSIMODE, B43_PHY_HT_TSSIMODE_EN); |
| 638 | b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1, |
| 639 | ~B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN & 0xFFFF); |
| 640 | |
| 641 | /* TODO: Does it depend on sprom->fem.ghz2.tssipos? */ |
| 642 | b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, 0x4000); |
| 643 | |
| 644 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, |
| 645 | ~B43_PHY_HT_TXPCTL_CMD_C1_INIT, 0x19); |
| 646 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C2, |
| 647 | ~B43_PHY_HT_TXPCTL_CMD_C2_INIT, 0x19); |
| 648 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C3, |
| 649 | ~B43_PHY_HT_TXPCTL_CMD_C3_INIT, 0x19); |
| 650 | |
| 651 | b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, |
| 652 | B43_PHY_HT_TXPCTL_IDLE_TSSI_BINF); |
| 653 | |
| 654 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, |
| 655 | ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C1, |
| 656 | idle[0] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C1_SHIFT); |
| 657 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, |
| 658 | ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C2, |
| 659 | idle[1] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C2_SHIFT); |
| 660 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI2, |
| 661 | ~B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3, |
| 662 | idle[2] << B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3_SHIFT); |
| 663 | |
| 664 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_TSSID, |
| 665 | 0xf0); |
| 666 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_NPTIL2, |
| 667 | 0x3 << B43_PHY_HT_TXPCTL_N_NPTIL2_SHIFT); |
| 668 | #if 0 |
| 669 | /* TODO: what to mask/set? */ |
| 670 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x800, 0) |
| 671 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x400, 0) |
| 672 | #endif |
| 673 | |
| 674 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR, |
| 675 | ~B43_PHY_HT_TXPCTL_TARG_PWR_C1, |
| 676 | target[0] << B43_PHY_HT_TXPCTL_TARG_PWR_C1_SHIFT); |
| 677 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR, |
| 678 | ~B43_PHY_HT_TXPCTL_TARG_PWR_C2 & 0xFFFF, |
| 679 | target[1] << B43_PHY_HT_TXPCTL_TARG_PWR_C2_SHIFT); |
| 680 | b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR2, |
| 681 | ~B43_PHY_HT_TXPCTL_TARG_PWR2_C3, |
| 682 | target[2] << B43_PHY_HT_TXPCTL_TARG_PWR2_C3_SHIFT); |
| 683 | |
| 684 | for (c = 0; c < 3; c++) { |
| 685 | s32 num, den, pwr; |
| 686 | u32 regval[64]; |
| 687 | |
| 688 | for (i = 0; i < 64; i++) { |
| 689 | num = 8 * (16 * b0[c] + b1[c] * i); |
| 690 | den = 32768 + a1[c] * i; |
| 691 | pwr = max((4 * num + den / 2) / den, -8); |
| 692 | regval[i] = pwr; |
| 693 | } |
| 694 | b43_httab_write_bulk(dev, B43_HTTAB16(26 + c, 0), 64, regval); |
| 695 | } |
| 696 | } |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 697 | |
Rafał Miłecki | f6099f8 | 2013-03-07 16:47:17 +0100 | [diff] [blame] | 698 | /************************************************** |
Rafał Miłecki | 3e644ab | 2011-06-28 00:08:53 +0200 | [diff] [blame] | 699 | * Channel switching ops. |
| 700 | **************************************************/ |
| 701 | |
Rafał Miłecki | 2dacfe7 | 2013-03-07 16:47:18 +0100 | [diff] [blame] | 702 | static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, |
| 703 | struct ieee80211_channel *new_channel) |
| 704 | { |
| 705 | struct bcma_device *core = dev->dev->bdev; |
| 706 | int spuravoid = 0; |
Rafał Miłecki | d7bb7ca | 2013-03-07 16:47:19 +0100 | [diff] [blame] | 707 | u16 tmp; |
Rafał Miłecki | 2dacfe7 | 2013-03-07 16:47:18 +0100 | [diff] [blame] | 708 | |
| 709 | /* Check for 13 and 14 is just a guess, we don't have enough logs. */ |
| 710 | if (new_channel->hw_value == 13 || new_channel->hw_value == 14) |
| 711 | spuravoid = 1; |
| 712 | bcma_core_pll_ctl(core, B43_BCMA_CLKCTLST_PHY_PLL_REQ, 0, false); |
| 713 | bcma_pmu_spuravoid_pllupdate(&core->bus->drv_cc, spuravoid); |
| 714 | bcma_core_pll_ctl(core, |
| 715 | B43_BCMA_CLKCTLST_80211_PLL_REQ | |
| 716 | B43_BCMA_CLKCTLST_PHY_PLL_REQ, |
| 717 | B43_BCMA_CLKCTLST_80211_PLL_ST | |
| 718 | B43_BCMA_CLKCTLST_PHY_PLL_ST, false); |
Rafał Miłecki | d7bb7ca | 2013-03-07 16:47:19 +0100 | [diff] [blame] | 719 | |
| 720 | /* Values has been taken from wlc_bmac_switch_macfreq comments */ |
| 721 | switch (spuravoid) { |
| 722 | case 2: /* 126MHz */ |
| 723 | tmp = 0x2082; |
| 724 | break; |
| 725 | case 1: /* 123MHz */ |
| 726 | tmp = 0x5341; |
| 727 | break; |
| 728 | default: /* 120MHz */ |
| 729 | tmp = 0x8889; |
| 730 | } |
| 731 | |
| 732 | b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, tmp); |
| 733 | b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8); |
| 734 | |
| 735 | /* TODO: reset PLL */ |
Rafał Miłecki | 4cce095 | 2013-03-07 16:47:20 +0100 | [diff] [blame] | 736 | |
| 737 | if (spuravoid) |
| 738 | b43_phy_set(dev, B43_PHY_HT_BBCFG, B43_PHY_HT_BBCFG_RSTRX); |
| 739 | else |
| 740 | b43_phy_mask(dev, B43_PHY_HT_BBCFG, |
| 741 | ~B43_PHY_HT_BBCFG_RSTRX & 0xFFFF); |
| 742 | |
| 743 | b43_phy_ht_reset_cca(dev); |
Rafał Miłecki | 2dacfe7 | 2013-03-07 16:47:18 +0100 | [diff] [blame] | 744 | } |
| 745 | |
Rafał Miłecki | 39ca554 | 2011-06-19 12:17:20 +0200 | [diff] [blame] | 746 | static void b43_phy_ht_channel_setup(struct b43_wldev *dev, |
| 747 | const struct b43_phy_ht_channeltab_e_phy *e, |
| 748 | struct ieee80211_channel *new_channel) |
| 749 | { |
Rafał Miłecki | bdb2dfb | 2011-06-27 14:58:51 +0200 | [diff] [blame] | 750 | bool old_band_5ghz; |
| 751 | |
| 752 | old_band_5ghz = b43_phy_read(dev, B43_PHY_HT_BANDCTL) & 0; /* FIXME */ |
| 753 | if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) { |
| 754 | /* TODO */ |
| 755 | } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) { |
| 756 | /* TODO */ |
| 757 | } |
| 758 | |
| 759 | b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1); |
| 760 | b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2); |
| 761 | b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3); |
| 762 | b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4); |
| 763 | b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5); |
| 764 | b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6); |
Rafał Miłecki | e5b6100 | 2011-06-27 14:58:52 +0200 | [diff] [blame] | 765 | |
Rafał Miłecki | b372afa | 2013-03-07 16:47:16 +0100 | [diff] [blame] | 766 | if (new_channel->hw_value == 14) { |
| 767 | b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, 0); |
| 768 | b43_phy_set(dev, B43_PHY_HT_TEST, 0x0800); |
| 769 | } else { |
| 770 | b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, |
| 771 | B43_PHY_HT_CLASS_CTL_OFDM_EN); |
| 772 | if (new_channel->band == IEEE80211_BAND_2GHZ) |
| 773 | b43_phy_mask(dev, B43_PHY_HT_TEST, ~0x840); |
| 774 | } |
Rafał Miłecki | e5b6100 | 2011-06-27 14:58:52 +0200 | [diff] [blame] | 775 | |
Rafał Miłecki | f6099f8 | 2013-03-07 16:47:17 +0100 | [diff] [blame] | 776 | if (1) /* TODO: On N it's for early devices only, what about HT? */ |
| 777 | b43_phy_ht_tx_power_fix(dev); |
Rafał Miłecki | e5b6100 | 2011-06-27 14:58:52 +0200 | [diff] [blame] | 778 | |
Rafał Miłecki | 2dacfe7 | 2013-03-07 16:47:18 +0100 | [diff] [blame] | 779 | b43_phy_ht_spur_avoid(dev, new_channel); |
| 780 | |
Rafał Miłecki | e5b6100 | 2011-06-27 14:58:52 +0200 | [diff] [blame] | 781 | b43_phy_write(dev, 0x017e, 0x3830); |
Rafał Miłecki | 39ca554 | 2011-06-19 12:17:20 +0200 | [diff] [blame] | 782 | } |
| 783 | |
| 784 | static int b43_phy_ht_set_channel(struct b43_wldev *dev, |
| 785 | struct ieee80211_channel *channel, |
| 786 | enum nl80211_channel_type channel_type) |
| 787 | { |
| 788 | struct b43_phy *phy = &dev->phy; |
| 789 | |
| 790 | const struct b43_phy_ht_channeltab_e_radio2059 *chent_r2059 = NULL; |
| 791 | |
| 792 | if (phy->radio_ver == 0x2059) { |
| 793 | chent_r2059 = b43_phy_ht_get_channeltab_e_r2059(dev, |
| 794 | channel->center_freq); |
| 795 | if (!chent_r2059) |
| 796 | return -ESRCH; |
| 797 | } else { |
| 798 | return -ESRCH; |
| 799 | } |
| 800 | |
| 801 | /* TODO: In case of N-PHY some bandwidth switching goes here */ |
| 802 | |
| 803 | if (phy->radio_ver == 0x2059) { |
| 804 | b43_radio_2059_channel_setup(dev, chent_r2059); |
| 805 | b43_phy_ht_channel_setup(dev, &(chent_r2059->phy_regs), |
| 806 | channel); |
| 807 | } else { |
| 808 | return -ESRCH; |
| 809 | } |
| 810 | |
| 811 | return 0; |
| 812 | } |
| 813 | |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 814 | /************************************************** |
| 815 | * Basic PHY ops. |
| 816 | **************************************************/ |
| 817 | |
| 818 | static int b43_phy_ht_op_allocate(struct b43_wldev *dev) |
| 819 | { |
| 820 | struct b43_phy_ht *phy_ht; |
| 821 | |
| 822 | phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL); |
| 823 | if (!phy_ht) |
| 824 | return -ENOMEM; |
| 825 | dev->phy.ht = phy_ht; |
| 826 | |
| 827 | return 0; |
| 828 | } |
| 829 | |
| 830 | static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev) |
| 831 | { |
| 832 | struct b43_phy *phy = &dev->phy; |
| 833 | struct b43_phy_ht *phy_ht = phy->ht; |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 834 | int i; |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 835 | |
| 836 | memset(phy_ht, 0, sizeof(*phy_ht)); |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 837 | |
| 838 | phy_ht->tx_pwr_ctl = true; |
| 839 | for (i = 0; i < 3; i++) |
| 840 | phy_ht->tx_pwr_idx[i] = B43_PHY_HT_TXPCTL_CMD_C1_INIT + 1; |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 841 | |
| 842 | for (i = 0; i < 3; i++) |
| 843 | phy_ht->bb_mult_save[i] = -1; |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 844 | } |
| 845 | |
Rafał Miłecki | 2d02c86 | 2011-06-28 09:28:39 +0200 | [diff] [blame] | 846 | static int b43_phy_ht_op_init(struct b43_wldev *dev) |
| 847 | { |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 848 | struct b43_phy_ht *phy_ht = dev->phy.ht; |
Rafał Miłecki | 19240f3 | 2011-08-12 13:13:46 +0200 | [diff] [blame] | 849 | u16 tmp; |
Rafał Miłecki | ea5a08c | 2011-08-24 11:52:35 +0200 | [diff] [blame] | 850 | u16 clip_state[3]; |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 851 | bool saved_tx_pwr_ctl; |
Rafał Miłecki | 19240f3 | 2011-08-12 13:13:46 +0200 | [diff] [blame] | 852 | |
Rafał Miłecki | 7c2332b | 2013-03-04 16:39:10 +0100 | [diff] [blame] | 853 | if (dev->dev->bus_type != B43_BUS_BCMA) { |
| 854 | b43err(dev->wl, "HT-PHY is supported only on BCMA bus!\n"); |
| 855 | return -EOPNOTSUPP; |
| 856 | } |
| 857 | |
Rafał Miłecki | 2d02c86 | 2011-06-28 09:28:39 +0200 | [diff] [blame] | 858 | b43_phy_ht_tables_init(dev); |
| 859 | |
Rafał Miłecki | 357e24d | 2011-08-13 01:41:11 +0200 | [diff] [blame] | 860 | b43_phy_mask(dev, 0x0be, ~0x2); |
| 861 | b43_phy_set(dev, 0x23f, 0x7ff); |
| 862 | b43_phy_set(dev, 0x240, 0x7ff); |
| 863 | b43_phy_set(dev, 0x241, 0x7ff); |
Rafał Miłecki | 15222b5 | 2011-08-12 13:13:44 +0200 | [diff] [blame] | 864 | |
| 865 | b43_phy_ht_zero_extg(dev); |
| 866 | |
Rafał Miłecki | 357e24d | 2011-08-13 01:41:11 +0200 | [diff] [blame] | 867 | b43_phy_mask(dev, B43_PHY_EXTG(0), ~0x3); |
Rafał Miłecki | f457f18 | 2011-08-12 13:13:45 +0200 | [diff] [blame] | 868 | |
Rafał Miłecki | 4760692 | 2013-03-09 13:43:49 +0100 | [diff] [blame] | 869 | b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0); |
| 870 | b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0); |
| 871 | b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0); |
Rafał Miłecki | f457f18 | 2011-08-12 13:13:45 +0200 | [diff] [blame] | 872 | |
| 873 | b43_phy_write(dev, B43_PHY_EXTG(0x103), 0x20); |
| 874 | b43_phy_write(dev, B43_PHY_EXTG(0x101), 0x20); |
| 875 | b43_phy_write(dev, 0x20d, 0xb8); |
| 876 | b43_phy_write(dev, B43_PHY_EXTG(0x14f), 0xc8); |
| 877 | b43_phy_write(dev, 0x70, 0x50); |
| 878 | b43_phy_write(dev, 0x1ff, 0x30); |
| 879 | |
| 880 | if (0) /* TODO: condition */ |
| 881 | ; /* TODO: PHY op on reg 0x217 */ |
| 882 | |
Rafał Miłecki | b372afa | 2013-03-07 16:47:16 +0100 | [diff] [blame] | 883 | if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) |
| 884 | b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN, 0); |
| 885 | else |
| 886 | b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN, |
| 887 | B43_PHY_HT_CLASS_CTL_CCK_EN); |
Rafał Miłecki | f457f18 | 2011-08-12 13:13:45 +0200 | [diff] [blame] | 888 | |
Rafał Miłecki | 357e24d | 2011-08-13 01:41:11 +0200 | [diff] [blame] | 889 | b43_phy_set(dev, 0xb1, 0x91); |
| 890 | b43_phy_write(dev, 0x32f, 0x0003); |
| 891 | b43_phy_write(dev, 0x077, 0x0010); |
| 892 | b43_phy_write(dev, 0x0b4, 0x0258); |
| 893 | b43_phy_mask(dev, 0x17e, ~0x4000); |
Rafał Miłecki | f457f18 | 2011-08-12 13:13:45 +0200 | [diff] [blame] | 894 | |
| 895 | b43_phy_write(dev, 0x0b9, 0x0072); |
| 896 | |
Rafał Miłecki | 98f8dc7 | 2011-08-13 17:54:04 +0200 | [diff] [blame] | 897 | b43_httab_write_few(dev, B43_HTTAB16(7, 0x14e), 2, 0x010f, 0x010f); |
| 898 | b43_httab_write_few(dev, B43_HTTAB16(7, 0x15e), 2, 0x010f, 0x010f); |
| 899 | b43_httab_write_few(dev, B43_HTTAB16(7, 0x16e), 2, 0x010f, 0x010f); |
Rafał Miłecki | 19240f3 | 2011-08-12 13:13:46 +0200 | [diff] [blame] | 900 | |
Rafał Miłecki | a4042bb | 2011-08-13 01:41:12 +0200 | [diff] [blame] | 901 | b43_phy_ht_afe_unk1(dev); |
| 902 | |
Rafał Miłecki | 98f8dc7 | 2011-08-13 17:54:04 +0200 | [diff] [blame] | 903 | b43_httab_write_few(dev, B43_HTTAB16(7, 0x130), 9, 0x777, 0x111, 0x111, |
| 904 | 0x777, 0x111, 0x111, 0x777, 0x111, 0x111); |
| 905 | |
| 906 | b43_httab_write(dev, B43_HTTAB16(7, 0x120), 0x0777); |
| 907 | b43_httab_write(dev, B43_HTTAB16(7, 0x124), 0x0777); |
| 908 | |
| 909 | b43_httab_write(dev, B43_HTTAB16(8, 0x00), 0x02); |
| 910 | b43_httab_write(dev, B43_HTTAB16(8, 0x10), 0x02); |
| 911 | b43_httab_write(dev, B43_HTTAB16(8, 0x20), 0x02); |
| 912 | |
| 913 | b43_httab_write_few(dev, B43_HTTAB16(8, 0x08), 4, |
| 914 | 0x8e, 0x96, 0x96, 0x96); |
| 915 | b43_httab_write_few(dev, B43_HTTAB16(8, 0x18), 4, |
| 916 | 0x8f, 0x9f, 0x9f, 0x9f); |
| 917 | b43_httab_write_few(dev, B43_HTTAB16(8, 0x28), 4, |
| 918 | 0x8f, 0x9f, 0x9f, 0x9f); |
| 919 | |
| 920 | b43_httab_write_few(dev, B43_HTTAB16(8, 0x0c), 4, 0x2, 0x2, 0x2, 0x2); |
| 921 | b43_httab_write_few(dev, B43_HTTAB16(8, 0x1c), 4, 0x2, 0x2, 0x2, 0x2); |
| 922 | b43_httab_write_few(dev, B43_HTTAB16(8, 0x2c), 4, 0x2, 0x2, 0x2, 0x2); |
Rafał Miłecki | a4042bb | 2011-08-13 01:41:12 +0200 | [diff] [blame] | 923 | |
Rafał Miłecki | 357e24d | 2011-08-13 01:41:11 +0200 | [diff] [blame] | 924 | b43_phy_maskset(dev, 0x0280, 0xff00, 0x3e); |
| 925 | b43_phy_maskset(dev, 0x0283, 0xff00, 0x3e); |
| 926 | b43_phy_maskset(dev, B43_PHY_OFDM(0x0141), 0xff00, 0x46); |
| 927 | b43_phy_maskset(dev, 0x0283, 0xff00, 0x40); |
| 928 | |
Rafał Miłecki | 98f8dc7 | 2011-08-13 17:54:04 +0200 | [diff] [blame] | 929 | b43_httab_write_few(dev, B43_HTTAB16(00, 0x8), 4, |
| 930 | 0x09, 0x0e, 0x13, 0x18); |
| 931 | b43_httab_write_few(dev, B43_HTTAB16(01, 0x8), 4, |
| 932 | 0x09, 0x0e, 0x13, 0x18); |
| 933 | /* TODO: Did wl mean 2 instead of 40? */ |
| 934 | b43_httab_write_few(dev, B43_HTTAB16(40, 0x8), 4, |
| 935 | 0x09, 0x0e, 0x13, 0x18); |
Rafał Miłecki | 357e24d | 2011-08-13 01:41:11 +0200 | [diff] [blame] | 936 | |
| 937 | b43_phy_maskset(dev, B43_PHY_OFDM(0x24), 0x3f, 0xd); |
| 938 | b43_phy_maskset(dev, B43_PHY_OFDM(0x64), 0x3f, 0xd); |
| 939 | b43_phy_maskset(dev, B43_PHY_OFDM(0xa4), 0x3f, 0xd); |
| 940 | |
| 941 | b43_phy_set(dev, B43_PHY_EXTG(0x060), 0x1); |
| 942 | b43_phy_set(dev, B43_PHY_EXTG(0x064), 0x1); |
| 943 | b43_phy_set(dev, B43_PHY_EXTG(0x080), 0x1); |
| 944 | b43_phy_set(dev, B43_PHY_EXTG(0x084), 0x1); |
| 945 | |
Rafał Miłecki | 19240f3 | 2011-08-12 13:13:46 +0200 | [diff] [blame] | 946 | /* Copy some tables entries */ |
| 947 | tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x144)); |
| 948 | b43_httab_write(dev, B43_HTTAB16(7, 0x14a), tmp); |
| 949 | tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x154)); |
| 950 | b43_httab_write(dev, B43_HTTAB16(7, 0x15a), tmp); |
| 951 | tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x164)); |
| 952 | b43_httab_write(dev, B43_HTTAB16(7, 0x16a), tmp); |
| 953 | |
| 954 | /* Reset CCA */ |
| 955 | b43_phy_force_clock(dev, true); |
| 956 | tmp = b43_phy_read(dev, B43_PHY_HT_BBCFG); |
| 957 | b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp | B43_PHY_HT_BBCFG_RSTCCA); |
| 958 | b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp & ~B43_PHY_HT_BBCFG_RSTCCA); |
| 959 | b43_phy_force_clock(dev, false); |
| 960 | |
| 961 | b43_mac_phy_clock_set(dev, true); |
| 962 | |
Rafał Miłecki | a51ab25 | 2013-03-09 13:49:01 +0100 | [diff] [blame] | 963 | b43_phy_ht_pa_override(dev, false); |
Rafał Miłecki | c750f79 | 2011-08-24 11:52:34 +0200 | [diff] [blame] | 964 | b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX); |
| 965 | b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX); |
Rafał Miłecki | a51ab25 | 2013-03-09 13:49:01 +0100 | [diff] [blame] | 966 | b43_phy_ht_pa_override(dev, true); |
Rafał Miłecki | 357e24d | 2011-08-13 01:41:11 +0200 | [diff] [blame] | 967 | |
Rafał Miłecki | ea5a08c | 2011-08-24 11:52:35 +0200 | [diff] [blame] | 968 | /* TODO: Should we restore it? Or store it in global PHY info? */ |
Rafał Miłecki | b372afa | 2013-03-07 16:47:16 +0100 | [diff] [blame] | 969 | b43_phy_ht_classifier(dev, 0, 0); |
Rafał Miłecki | ea5a08c | 2011-08-24 11:52:35 +0200 | [diff] [blame] | 970 | b43_phy_ht_read_clip_detection(dev, clip_state); |
Rafał Miłecki | b505834 | 2011-08-12 15:27:34 +0200 | [diff] [blame] | 971 | |
| 972 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) |
| 973 | b43_phy_ht_bphy_init(dev); |
| 974 | |
| 975 | b43_httab_write_bulk(dev, B43_HTTAB32(0x1a, 0xc0), |
| 976 | B43_HTTAB_1A_C0_LATE_SIZE, b43_httab_0x1a_0xc0_late); |
| 977 | |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 978 | saved_tx_pwr_ctl = phy_ht->tx_pwr_ctl; |
| 979 | b43_phy_ht_tx_power_fix(dev); |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 980 | b43_phy_ht_tx_power_ctl(dev, false); |
Rafał Miłecki | 371ec46 | 2013-03-07 16:47:23 +0100 | [diff] [blame] | 981 | b43_phy_ht_tx_power_ctl_idle_tssi(dev); |
Rafał Miłecki | 5949e04 | 2013-03-07 16:47:26 +0100 | [diff] [blame] | 982 | b43_phy_ht_tx_power_ctl_setup(dev); |
Rafał Miłecki | dc3c4e1 | 2013-03-16 23:57:10 +0100 | [diff] [blame] | 983 | b43_phy_ht_tssi_setup(dev); |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 984 | b43_phy_ht_tx_power_ctl(dev, saved_tx_pwr_ctl); |
Rafał Miłecki | 60e8fb9 | 2013-03-09 13:52:12 +0100 | [diff] [blame] | 985 | |
Rafał Miłecki | 2d02c86 | 2011-06-28 09:28:39 +0200 | [diff] [blame] | 986 | return 0; |
| 987 | } |
| 988 | |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 989 | static void b43_phy_ht_op_free(struct b43_wldev *dev) |
| 990 | { |
| 991 | struct b43_phy *phy = &dev->phy; |
| 992 | struct b43_phy_ht *phy_ht = phy->ht; |
| 993 | |
| 994 | kfree(phy_ht); |
| 995 | phy->ht = NULL; |
| 996 | } |
| 997 | |
Rafał Miłecki | e7c6255 | 2011-06-19 02:18:11 +0200 | [diff] [blame] | 998 | /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */ |
| 999 | static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev, |
| 1000 | bool blocked) |
| 1001 | { |
| 1002 | if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED) |
| 1003 | b43err(dev->wl, "MAC not suspended\n"); |
| 1004 | |
Rafał Miłecki | 0b5dd73 | 2011-07-18 02:13:23 +0200 | [diff] [blame] | 1005 | /* In the following PHY ops we copy wl's dummy behaviour. |
| 1006 | * TODO: Find out if reads (currently hidden in masks/masksets) are |
| 1007 | * needed and replace following ops with just writes or w&r. |
| 1008 | * Note: B43_PHY_HT_RF_CTL1 register is tricky, wrong operation can |
| 1009 | * cause delayed (!) machine lock up. */ |
Rafał Miłecki | e7c6255 | 2011-06-19 02:18:11 +0200 | [diff] [blame] | 1010 | if (blocked) { |
Rafał Miłecki | 0b5dd73 | 2011-07-18 02:13:23 +0200 | [diff] [blame] | 1011 | b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0); |
Rafał Miłecki | e7c6255 | 2011-06-19 02:18:11 +0200 | [diff] [blame] | 1012 | } else { |
Rafał Miłecki | 0b5dd73 | 2011-07-18 02:13:23 +0200 | [diff] [blame] | 1013 | b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0); |
| 1014 | b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x1); |
| 1015 | b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0); |
| 1016 | b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x2); |
Rafał Miłecki | 3e644ab | 2011-06-28 00:08:53 +0200 | [diff] [blame] | 1017 | |
| 1018 | if (dev->phy.radio_ver == 0x2059) |
| 1019 | b43_radio_2059_init(dev); |
| 1020 | else |
| 1021 | B43_WARN_ON(1); |
Rafał Miłecki | 315a685 | 2011-07-17 10:30:32 +0200 | [diff] [blame] | 1022 | |
| 1023 | b43_switch_channel(dev, dev->phy.channel); |
Rafał Miłecki | e7c6255 | 2011-06-19 02:18:11 +0200 | [diff] [blame] | 1024 | } |
| 1025 | } |
| 1026 | |
Rafał Miłecki | a8e8274 | 2011-06-16 01:59:20 +0200 | [diff] [blame] | 1027 | static void b43_phy_ht_op_switch_analog(struct b43_wldev *dev, bool on) |
| 1028 | { |
| 1029 | if (on) { |
Rafał Miłecki | 4760692 | 2013-03-09 13:43:49 +0100 | [diff] [blame] | 1030 | b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00cd); |
| 1031 | b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x0000); |
| 1032 | b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00cd); |
| 1033 | b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x0000); |
| 1034 | b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00cd); |
| 1035 | b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x0000); |
Rafał Miłecki | a8e8274 | 2011-06-16 01:59:20 +0200 | [diff] [blame] | 1036 | } else { |
Rafał Miłecki | 4760692 | 2013-03-09 13:43:49 +0100 | [diff] [blame] | 1037 | b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x07ff); |
| 1038 | b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00fd); |
| 1039 | b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x07ff); |
| 1040 | b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00fd); |
| 1041 | b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x07ff); |
| 1042 | b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00fd); |
Rafał Miłecki | a8e8274 | 2011-06-16 01:59:20 +0200 | [diff] [blame] | 1043 | } |
| 1044 | } |
| 1045 | |
Rafał Miłecki | 39ca554 | 2011-06-19 12:17:20 +0200 | [diff] [blame] | 1046 | static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev, |
| 1047 | unsigned int new_channel) |
| 1048 | { |
Karl Beldan | 675a0b0 | 2013-03-25 16:26:57 +0100 | [diff] [blame] | 1049 | struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan; |
| 1050 | enum nl80211_channel_type channel_type = |
| 1051 | cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef); |
Rafał Miłecki | 39ca554 | 2011-06-19 12:17:20 +0200 | [diff] [blame] | 1052 | |
| 1053 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { |
| 1054 | if ((new_channel < 1) || (new_channel > 14)) |
| 1055 | return -EINVAL; |
| 1056 | } else { |
| 1057 | return -EINVAL; |
| 1058 | } |
| 1059 | |
| 1060 | return b43_phy_ht_set_channel(dev, channel, channel_type); |
| 1061 | } |
| 1062 | |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1063 | static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev) |
| 1064 | { |
| 1065 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) |
Rafał Miłecki | 315a685 | 2011-07-17 10:30:32 +0200 | [diff] [blame] | 1066 | return 11; |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1067 | return 36; |
| 1068 | } |
| 1069 | |
| 1070 | /************************************************** |
| 1071 | * R/W ops. |
| 1072 | **************************************************/ |
| 1073 | |
| 1074 | static u16 b43_phy_ht_op_read(struct b43_wldev *dev, u16 reg) |
| 1075 | { |
| 1076 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
| 1077 | return b43_read16(dev, B43_MMIO_PHY_DATA); |
| 1078 | } |
| 1079 | |
| 1080 | static void b43_phy_ht_op_write(struct b43_wldev *dev, u16 reg, u16 value) |
| 1081 | { |
| 1082 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
| 1083 | b43_write16(dev, B43_MMIO_PHY_DATA, value); |
| 1084 | } |
| 1085 | |
| 1086 | static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, |
| 1087 | u16 set) |
| 1088 | { |
| 1089 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
| 1090 | b43_write16(dev, B43_MMIO_PHY_DATA, |
| 1091 | (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set); |
| 1092 | } |
| 1093 | |
Rafał Miłecki | 4cabd42 | 2011-06-16 01:59:19 +0200 | [diff] [blame] | 1094 | static u16 b43_phy_ht_op_radio_read(struct b43_wldev *dev, u16 reg) |
| 1095 | { |
| 1096 | /* HT-PHY needs 0x200 for read access */ |
| 1097 | reg |= 0x200; |
| 1098 | |
| 1099 | b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg); |
| 1100 | return b43_read16(dev, B43_MMIO_RADIO24_DATA); |
| 1101 | } |
| 1102 | |
| 1103 | static void b43_phy_ht_op_radio_write(struct b43_wldev *dev, u16 reg, |
| 1104 | u16 value) |
| 1105 | { |
| 1106 | b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg); |
| 1107 | b43_write16(dev, B43_MMIO_RADIO24_DATA, value); |
| 1108 | } |
| 1109 | |
Rafał Miłecki | 21a18f2 | 2011-07-07 20:06:56 +0200 | [diff] [blame] | 1110 | static enum b43_txpwr_result |
| 1111 | b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi) |
| 1112 | { |
| 1113 | return B43_TXPWR_RES_DONE; |
| 1114 | } |
| 1115 | |
| 1116 | static void b43_phy_ht_op_adjust_txpower(struct b43_wldev *dev) |
| 1117 | { |
| 1118 | } |
| 1119 | |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1120 | /************************************************** |
| 1121 | * PHY ops struct. |
| 1122 | **************************************************/ |
| 1123 | |
| 1124 | const struct b43_phy_operations b43_phyops_ht = { |
| 1125 | .allocate = b43_phy_ht_op_allocate, |
| 1126 | .free = b43_phy_ht_op_free, |
| 1127 | .prepare_structs = b43_phy_ht_op_prepare_structs, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1128 | .init = b43_phy_ht_op_init, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1129 | .phy_read = b43_phy_ht_op_read, |
| 1130 | .phy_write = b43_phy_ht_op_write, |
| 1131 | .phy_maskset = b43_phy_ht_op_maskset, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1132 | .radio_read = b43_phy_ht_op_radio_read, |
| 1133 | .radio_write = b43_phy_ht_op_radio_write, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1134 | .software_rfkill = b43_phy_ht_op_software_rfkill, |
| 1135 | .switch_analog = b43_phy_ht_op_switch_analog, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1136 | .switch_channel = b43_phy_ht_op_switch_channel, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1137 | .get_default_chan = b43_phy_ht_op_get_default_chan, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1138 | .recalc_txpower = b43_phy_ht_op_recalc_txpower, |
| 1139 | .adjust_txpower = b43_phy_ht_op_adjust_txpower, |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 1140 | }; |