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424047e6 MB |
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" | |
53a6e234 | 27 | #include "tables_nphy.h" |
424047e6 MB |
28 | |
29 | ||
53a6e234 MB |
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 | ||
424047e6 MB |
125 | int b43_phy_initn(struct b43_wldev *dev) |
126 | { | |
127 | b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n"); | |
128 | ||
53a6e234 | 129 | return 0; |
424047e6 | 130 | } |