3 Broadcom B43 wireless driver
4 IEEE 802.11g LP-PHY driver
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 "phy_common.h"
30 static int b43_lpphy_op_allocate(struct b43_wldev *dev)
32 struct b43_phy_lp *lpphy;
34 lpphy = kzalloc(sizeof(*lpphy), GFP_KERNEL);
42 static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev)
44 struct b43_phy *phy = &dev->phy;
45 struct b43_phy_lp *lpphy = phy->lp;
47 memset(lpphy, 0, sizeof(*lpphy));
52 static void b43_lpphy_op_free(struct b43_wldev *dev)
54 struct b43_phy_lp *lpphy = dev->phy.lp;
60 static int b43_lpphy_op_init(struct b43_wldev *dev)
67 static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg)
69 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
70 return b43_read16(dev, B43_MMIO_PHY_DATA);
73 static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
75 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
76 b43_write16(dev, B43_MMIO_PHY_DATA, value);
79 static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg)
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) {
90 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
91 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
94 static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
96 /* Register 1 is a 32-bit register. */
97 B43_WARN_ON(reg == 1);
99 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
100 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
103 static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
104 enum rfkill_state state)
109 static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
110 unsigned int new_channel)
116 static unsigned int b43_lpphy_op_get_default_chan(struct b43_wldev *dev)
118 return 1; /* Default to channel 1 */
121 static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
126 static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev)
131 static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev,
135 return B43_TXPWR_RES_DONE;
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,