1 /*
2
3 Broadcom B43 wireless driver
4 IEEE 802.11g LP-PHY driver
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 "phy_lp.h"
27 #include "phy_common.h"
28
29
b43_lpphy_op_allocate(struct b43_wldev * dev)30 static int b43_lpphy_op_allocate(struct b43_wldev *dev)
31 {
32 struct b43_phy_lp *lpphy;
33
34 lpphy = kzalloc(sizeof(*lpphy), GFP_KERNEL);
35 if (!lpphy)
36 return -ENOMEM;
37 dev->phy.lp = lpphy;
38
39 return 0;
40 }
41
b43_lpphy_op_prepare_structs(struct b43_wldev * dev)42 static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev)
43 {
44 struct b43_phy *phy = &dev->phy;
45 struct b43_phy_lp *lpphy = phy->lp;
46
47 memset(lpphy, 0, sizeof(*lpphy));
48
49 //TODO
50 }
51
b43_lpphy_op_free(struct b43_wldev * dev)52 static void b43_lpphy_op_free(struct b43_wldev *dev)
53 {
54 struct b43_phy_lp *lpphy = dev->phy.lp;
55
56 kfree(lpphy);
57 dev->phy.lp = NULL;
58 }
59
b43_lpphy_op_init(struct b43_wldev * dev)60 static int b43_lpphy_op_init(struct b43_wldev *dev)
61 {
62 //TODO
63
64 return 0;
65 }
66
b43_lpphy_op_read(struct b43_wldev * dev,u16 reg)67 static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg)
68 {
69 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
70 return b43_read16(dev, B43_MMIO_PHY_DATA);
71 }
72
b43_lpphy_op_write(struct b43_wldev * dev,u16 reg,u16 value)73 static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
74 {
75 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
76 b43_write16(dev, B43_MMIO_PHY_DATA, value);
77 }
78
b43_lpphy_op_radio_read(struct b43_wldev * dev,u16 reg)79 static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg)
80 {
81 /* Register 1 is a 32-bit register. */
82 B43_WARN_ON(reg == 1);
83 /* LP-PHY needs a special bit set for read access */
84 if (dev->phy.rev < 2) {
85 if (reg != 0x4001)
86 reg |= 0x100;
87 } else
88 reg |= 0x200;
89
90 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
91 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
92 }
93
b43_lpphy_op_radio_write(struct b43_wldev * dev,u16 reg,u16 value)94 static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
95 {
96 /* Register 1 is a 32-bit register. */
97 B43_WARN_ON(reg == 1);
98
99 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
100 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
101 }
102
b43_lpphy_op_software_rfkill(struct b43_wldev * dev,enum rfkill_state state)103 static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
104 enum rfkill_state state)
105 {
106 //TODO
107 }
108
b43_lpphy_op_switch_channel(struct b43_wldev * dev,unsigned int new_channel)109 static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
110 unsigned int new_channel)
111 {
112 //TODO
113 return 0;
114 }
115
b43_lpphy_op_get_default_chan(struct b43_wldev * dev)116 static unsigned int b43_lpphy_op_get_default_chan(struct b43_wldev *dev)
117 {
118 return 1; /* Default to channel 1 */
119 }
120
b43_lpphy_op_set_rx_antenna(struct b43_wldev * dev,int antenna)121 static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
122 {
123 //TODO
124 }
125
b43_lpphy_op_adjust_txpower(struct b43_wldev * dev)126 static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev)
127 {
128 //TODO
129 }
130
b43_lpphy_op_recalc_txpower(struct b43_wldev * dev,bool ignore_tssi)131 static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev,
132 bool ignore_tssi)
133 {
134 //TODO
135 return B43_TXPWR_RES_DONE;
136 }
137
138
139 const struct b43_phy_operations b43_phyops_lp = {
140 .allocate = b43_lpphy_op_allocate,
141 .free = b43_lpphy_op_free,
142 .prepare_structs = b43_lpphy_op_prepare_structs,
143 .init = b43_lpphy_op_init,
144 .phy_read = b43_lpphy_op_read,
145 .phy_write = b43_lpphy_op_write,
146 .radio_read = b43_lpphy_op_radio_read,
147 .radio_write = b43_lpphy_op_radio_write,
148 .software_rfkill = b43_lpphy_op_software_rfkill,
149 .switch_analog = b43_phyop_switch_analog_generic,
150 .switch_channel = b43_lpphy_op_switch_channel,
151 .get_default_chan = b43_lpphy_op_get_default_chan,
152 .set_rx_antenna = b43_lpphy_op_set_rx_antenna,
153 .recalc_txpower = b43_lpphy_op_recalc_txpower,
154 .adjust_txpower = b43_lpphy_op_adjust_txpower,
155 };
156