3 Broadcom B43 wireless driver
4 IEEE 802.11n PHY support
6 Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
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.
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.
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.
27 #include "tables_nphy.h"
30 void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
34 void b43_nphy_xmitpower(struct b43_wldev *dev)
38 static void b43_chantab_radio_upload(struct b43_wldev *dev,
39 const struct b43_nphy_channeltab_entry *e)
41 b43_radio_write16(dev, B2055_PLL_REF, e->radio_pll_ref);
42 b43_radio_write16(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
43 b43_radio_write16(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
44 b43_radio_write16(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
45 b43_radio_write16(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
46 b43_radio_write16(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
47 b43_radio_write16(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
48 b43_radio_write16(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
49 b43_radio_write16(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
50 b43_radio_write16(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
51 b43_radio_write16(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
52 b43_radio_write16(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
53 b43_radio_write16(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
54 b43_radio_write16(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
55 b43_radio_write16(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
56 b43_radio_write16(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
57 b43_radio_write16(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
58 b43_radio_write16(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
59 b43_radio_write16(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
60 b43_radio_write16(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
61 b43_radio_write16(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
62 b43_radio_write16(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
65 static void b43_chantab_phy_upload(struct b43_wldev *dev,
66 const struct b43_nphy_channeltab_entry *e)
68 b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
69 b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
70 b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
71 b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
72 b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
73 b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
76 static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
81 /* Tune the hardware to a new channel. Don't call this directly.
82 * Use b43_radio_selectchannel() */
83 int b43_nphy_selectchannel(struct b43_wldev *dev, u8 channel)
85 const struct b43_nphy_channeltab_entry *tabent;
87 tabent = b43_nphy_get_chantabent(dev, channel);
91 //FIXME enable/disable band select upper20 in RXCTL
93 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x20);
95 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x50);
96 b43_chantab_radio_upload(dev, tabent);
98 b43_radio_write16(dev, B2055_VCO_CAL10, 5);
99 b43_radio_write16(dev, B2055_VCO_CAL10, 45);
100 b43_radio_write16(dev, B2055_VCO_CAL10, 65);
102 if (0 /*FIXME 5Ghz*/)
103 b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
105 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
106 b43_chantab_phy_upload(dev, tabent);
107 b43_nphy_tx_power_fix(dev);
112 static void b43_radio_init2055_pre(struct b43_wldev *dev)
114 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
115 ~B43_NPHY_RFCTL_CMD_PORFORCE);
116 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
117 B43_NPHY_RFCTL_CMD_CHIP0PU |
118 B43_NPHY_RFCTL_CMD_OEPORFORCE);
119 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
120 B43_NPHY_RFCTL_CMD_PORFORCE);
123 static void b43_radio_init2055_post(struct b43_wldev *dev)
125 struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
126 struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
130 b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
132 if ((sprom->revision != 4) || !(sprom->boardflags_hi & 0x0002)) {
133 if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) ||
134 (binfo->type != 0x46D) ||
135 (binfo->rev < 0x41)) {
136 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
137 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
141 b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C);
143 b43_radio_write16(dev, B2055_CAL_MISC, 0x3C);
145 b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
147 b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
149 b43_radio_set(dev, B2055_CAL_MISC, 0x1);
151 b43_radio_set(dev, B2055_CAL_MISC, 0x40);
153 for (i = 0; i < 100; i++) {
154 val = b43_radio_read16(dev, B2055_CAL_COUT2);
160 b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
162 b43_radio_selectchannel(dev, dev->phy.channel, 0);
163 b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9);
164 b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9);
165 b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
166 b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
169 /* Initialize a Broadcom 2055 N-radio */
170 static void b43_radio_init2055(struct b43_wldev *dev)
172 b43_radio_init2055_pre(dev);
173 if (b43_status(dev) < B43_STAT_INITIALIZED)
174 b2055_upload_inittab(dev, 0, 1);
176 b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0);
177 b43_radio_init2055_post(dev);
180 void b43_nphy_radio_turn_on(struct b43_wldev *dev)
182 b43_radio_init2055(dev);
185 void b43_nphy_radio_turn_off(struct b43_wldev *dev)
187 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
188 ~B43_NPHY_RFCTL_CMD_EN);
191 int b43_phy_initn(struct b43_wldev *dev)
193 b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");