diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_ht.c')
-rw-r--r-- | drivers/net/wireless/b43/phy_ht.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c new file mode 100644 index 00000000000..320be0eeaf3 --- /dev/null +++ b/drivers/net/wireless/b43/phy_ht.c @@ -0,0 +1,119 @@ +/* + + Broadcom B43 wireless driver + IEEE 802.11n HT-PHY support + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include <linux/slab.h> + +#include "b43.h" +#include "phy_ht.h" +#include "main.h" + +/************************************************** + * Basic PHY ops. + **************************************************/ + +static int b43_phy_ht_op_allocate(struct b43_wldev *dev) +{ + struct b43_phy_ht *phy_ht; + + phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL); + if (!phy_ht) + return -ENOMEM; + dev->phy.ht = phy_ht; + + return 0; +} + +static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_ht *phy_ht = phy->ht; + + memset(phy_ht, 0, sizeof(*phy_ht)); +} + +static void b43_phy_ht_op_free(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_ht *phy_ht = phy->ht; + + kfree(phy_ht); + phy->ht = NULL; +} + +static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev) +{ + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) + return 1; + return 36; +} + +/************************************************** + * R/W ops. + **************************************************/ + +static u16 b43_phy_ht_op_read(struct b43_wldev *dev, u16 reg) +{ + b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); + return b43_read16(dev, B43_MMIO_PHY_DATA); +} + +static void b43_phy_ht_op_write(struct b43_wldev *dev, u16 reg, u16 value) +{ + b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); + b43_write16(dev, B43_MMIO_PHY_DATA, value); +} + +static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, + u16 set) +{ + b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); + b43_write16(dev, B43_MMIO_PHY_DATA, + (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set); +} + +/************************************************** + * PHY ops struct. + **************************************************/ + +const struct b43_phy_operations b43_phyops_ht = { + .allocate = b43_phy_ht_op_allocate, + .free = b43_phy_ht_op_free, + .prepare_structs = b43_phy_ht_op_prepare_structs, + /* + .init = b43_phy_ht_op_init, + */ + .phy_read = b43_phy_ht_op_read, + .phy_write = b43_phy_ht_op_write, + .phy_maskset = b43_phy_ht_op_maskset, + /* + .radio_read = b43_phy_ht_op_radio_read, + .radio_write = b43_phy_ht_op_radio_write, + .software_rfkill = b43_phy_ht_op_software_rfkill, + .switch_analog = b43_phy_ht_op_switch_analog, + .switch_channel = b43_phy_ht_op_switch_channel, + */ + .get_default_chan = b43_phy_ht_op_get_default_chan, + /* + .recalc_txpower = b43_phy_ht_op_recalc_txpower, + .adjust_txpower = b43_phy_ht_op_adjust_txpower, + */ +}; |