Michael Buesch | 424047e | 2008-01-09 16:13:56 +0100 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Broadcom B43 wireless driver |
| 4 | IEEE 802.11n PHY support |
| 5 | |
| 6 | Copyright (c) 2008 Michael Buesch <mb@bu3sch.de> |
| 7 | |
| 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 "b43.h" |
| 26 | #include "nphy.h" |
Michael Buesch | 53a6e23 | 2008-01-13 21:23:44 +0100 | [diff] [blame^] | 27 | #include "tables_nphy.h" |
Michael Buesch | 424047e | 2008-01-09 16:13:56 +0100 | [diff] [blame] | 28 | |
| 29 | |
Michael Buesch | 53a6e23 | 2008-01-13 21:23:44 +0100 | [diff] [blame^] | 30 | void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna) |
| 31 | {//TODO |
| 32 | } |
| 33 | |
| 34 | void b43_nphy_xmitpower(struct b43_wldev *dev) |
| 35 | {//TODO |
| 36 | } |
| 37 | |
| 38 | /* Tune the hardware to a new channel. Don't call this directly. |
| 39 | * Use b43_radio_selectchannel() */ |
| 40 | void b43_nphy_selectchannel(struct b43_wldev *dev, u8 channel) |
| 41 | { |
| 42 | |
| 43 | //TODO |
| 44 | } |
| 45 | |
| 46 | static void b43_radio_init2055_pre(struct b43_wldev *dev) |
| 47 | { |
| 48 | b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, |
| 49 | ~B43_NPHY_RFCTL_CMD_PORFORCE); |
| 50 | b43_phy_set(dev, B43_NPHY_RFCTL_CMD, |
| 51 | B43_NPHY_RFCTL_CMD_CHIP0PU | |
| 52 | B43_NPHY_RFCTL_CMD_OEPORFORCE); |
| 53 | b43_phy_set(dev, B43_NPHY_RFCTL_CMD, |
| 54 | B43_NPHY_RFCTL_CMD_PORFORCE); |
| 55 | } |
| 56 | |
| 57 | static void b43_radio_init2055_post(struct b43_wldev *dev) |
| 58 | { |
| 59 | struct ssb_sprom *sprom = &(dev->dev->bus->sprom); |
| 60 | struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo); |
| 61 | int i; |
| 62 | u16 val; |
| 63 | |
| 64 | b43_radio_mask(dev, B2055_MASTER1, 0xFFF3); |
| 65 | msleep(1); |
| 66 | if ((sprom->revision != 4) || !(sprom->boardflags_hi & 0x0002)) { |
| 67 | if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) || |
| 68 | (binfo->type != 0x46D) || |
| 69 | (binfo->rev < 0x41)) { |
| 70 | b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); |
| 71 | b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); |
| 72 | msleep(1); |
| 73 | } |
| 74 | } |
| 75 | b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C); |
| 76 | msleep(1); |
| 77 | b43_radio_write16(dev, B2055_CAL_MISC, 0x3C); |
| 78 | msleep(1); |
| 79 | b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE); |
| 80 | msleep(1); |
| 81 | b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80); |
| 82 | msleep(1); |
| 83 | b43_radio_set(dev, B2055_CAL_MISC, 0x1); |
| 84 | msleep(1); |
| 85 | b43_radio_set(dev, B2055_CAL_MISC, 0x40); |
| 86 | msleep(1); |
| 87 | for (i = 0; i < 100; i++) { |
| 88 | val = b43_radio_read16(dev, B2055_CAL_COUT2); |
| 89 | if (val & 0x80) |
| 90 | break; |
| 91 | udelay(10); |
| 92 | } |
| 93 | msleep(1); |
| 94 | b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F); |
| 95 | msleep(1); |
| 96 | b43_radio_selectchannel(dev, dev->phy.channel, 0); |
| 97 | b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9); |
| 98 | b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9); |
| 99 | b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83); |
| 100 | b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83); |
| 101 | } |
| 102 | |
| 103 | /* Initialize a Broadcom 2055 N-radio */ |
| 104 | static void b43_radio_init2055(struct b43_wldev *dev) |
| 105 | { |
| 106 | b43_radio_init2055_pre(dev); |
| 107 | if (b43_status(dev) < B43_STAT_INITIALIZED) |
| 108 | b2055_upload_inittab(dev, 0, 1); |
| 109 | else |
| 110 | b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0); |
| 111 | b43_radio_init2055_post(dev); |
| 112 | } |
| 113 | |
| 114 | void b43_nphy_radio_turn_on(struct b43_wldev *dev) |
| 115 | { |
| 116 | b43_radio_init2055(dev); |
| 117 | } |
| 118 | |
| 119 | void b43_nphy_radio_turn_off(struct b43_wldev *dev) |
| 120 | { |
| 121 | b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, |
| 122 | ~B43_NPHY_RFCTL_CMD_EN); |
| 123 | } |
| 124 | |
Michael Buesch | 424047e | 2008-01-09 16:13:56 +0100 | [diff] [blame] | 125 | int b43_phy_initn(struct b43_wldev *dev) |
| 126 | { |
| 127 | b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n"); |
| 128 | |
Michael Buesch | 53a6e23 | 2008-01-13 21:23:44 +0100 | [diff] [blame^] | 129 | return 0; |
Michael Buesch | 424047e | 2008-01-09 16:13:56 +0100 | [diff] [blame] | 130 | } |