projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d7520b1d RM |
1 | /* |
| 2 | ||
| 3 | Broadcom B43 wireless driver | |
| 4 | IEEE 802.11n HT-PHY support | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; see the file COPYING. If not, write to | |
| 18 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, | |
| 19 | Boston, MA 02110-1301, USA. | |
| 20 | ||
| 21 | */ | |
| 22 | ||
| 23 | #include <linux/slab.h> | |
| 24 | ||
| 25 | #include "b43.h" | |
| 26 | #include "phy_ht.h" | |
| 27 | #include "main.h" | |
| 28 | ||
| 29 | /************************************************** | |
| 30 | * Basic PHY ops. | |
| 31 | **************************************************/ | |
| 32 | ||
| 33 | static int b43_phy_ht_op_allocate(struct b43_wldev *dev) | |
| 34 | { | |
| 35 | struct b43_phy_ht *phy_ht; | |
| 36 | ||
| 37 | phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL); | |
| 38 | if (!phy_ht) | |
| 39 | return -ENOMEM; | |
| 40 | dev->phy.ht = phy_ht; | |
| 41 | ||
| 42 | return 0; | |
| 43 | } | |
| 44 | ||
| 45 | static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev) | |
| 46 | { | |
| 47 | struct b43_phy *phy = &dev->phy; | |
| 48 | struct b43_phy_ht *phy_ht = phy->ht; | |
| 49 | ||
| 50 | memset(phy_ht, 0, sizeof(*phy_ht)); | |
| 51 | } | |
| 52 | ||
| 53 | static void b43_phy_ht_op_free(struct b43_wldev *dev) | |
| 54 | { | |
| 55 | struct b43_phy *phy = &dev->phy; | |
| 56 | struct b43_phy_ht *phy_ht = phy->ht; | |
| 57 | ||
| 58 | kfree(phy_ht); | |
| 59 | phy->ht = NULL; | |
| 60 | } | |
| 61 | ||
| 62 | static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev) | |
| 63 | { | |
| 64 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) | |
| 65 | return 1; | |
| 66 | return 36; | |
| 67 | } | |
| 68 | ||
| 69 | /************************************************** | |
| 70 | * R/W ops. | |
| 71 | **************************************************/ | |
| 72 | ||
| 73 | static u16 b43_phy_ht_op_read(struct b43_wldev *dev, u16 reg) | |
| 74 | { | |
| 75 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | |
| 76 | return b43_read16(dev, B43_MMIO_PHY_DATA); | |
| 77 | } | |
| 78 | ||
| 79 | static void b43_phy_ht_op_write(struct b43_wldev *dev, u16 reg, u16 value) | |
| 80 | { | |
| 81 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | |
| 82 | b43_write16(dev, B43_MMIO_PHY_DATA, value); | |
| 83 | } | |
| 84 | ||
| 85 | static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, | |
| 86 | u16 set) | |
| 87 | { | |
| 88 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | |
| 89 | b43_write16(dev, B43_MMIO_PHY_DATA, | |
| 90 | (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set); | |
| 91 | } | |
| 92 | ||
| 93 | /************************************************** | |
| 94 | * PHY ops struct. | |
| 95 | **************************************************/ | |
| 96 | ||
| 97 | const struct b43_phy_operations b43_phyops_ht = { | |
| 98 | .allocate = b43_phy_ht_op_allocate, | |
| 99 | .free = b43_phy_ht_op_free, | |
| 100 | .prepare_structs = b43_phy_ht_op_prepare_structs, | |
| 101 | /* | |
| 102 | .init = b43_phy_ht_op_init, | |
| 103 | */ | |
| 104 | .phy_read = b43_phy_ht_op_read, | |
| 105 | .phy_write = b43_phy_ht_op_write, | |
| 106 | .phy_maskset = b43_phy_ht_op_maskset, | |
| 107 | /* | |
| 108 | .radio_read = b43_phy_ht_op_radio_read, | |
| 109 | .radio_write = b43_phy_ht_op_radio_write, | |
| 110 | .software_rfkill = b43_phy_ht_op_software_rfkill, | |
| 111 | .switch_analog = b43_phy_ht_op_switch_analog, | |
| 112 | .switch_channel = b43_phy_ht_op_switch_channel, | |
| 113 | */ | |
| 114 | .get_default_chan = b43_phy_ht_op_get_default_chan, | |
| 115 | /* | |
| 116 | .recalc_txpower = b43_phy_ht_op_recalc_txpower, | |
| 117 | .adjust_txpower = b43_phy_ht_op_adjust_txpower, | |
| 118 | */ | |
| 119 | }; |