| Michael Buesch | 6c1bb92 | 2009-01-31 16:52:29 +0100 | [diff] [blame^] | 1 | /* |
| 2 | |
| 3 | Broadcom B43 wireless driver |
| 4 | IEEE 802.11g LP-PHY and radio device data tables |
| 5 | |
| 6 | Copyright (c) 2009 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 "tables_lpphy.h" |
| 27 | #include "phy_common.h" |
| 28 | #include "phy_lp.h" |
| 29 | |
| 30 | |
| 31 | u32 b43_lptab_read(struct b43_wldev *dev, u32 offset) |
| 32 | { |
| 33 | u32 type, value; |
| 34 | |
| 35 | type = offset & B43_LPTAB_TYPEMASK; |
| 36 | offset &= ~B43_LPTAB_TYPEMASK; |
| 37 | B43_WARN_ON(offset > 0xFFFF); |
| 38 | |
| 39 | switch (type) { |
| 40 | case B43_LPTAB_8BIT: |
| 41 | b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); |
| 42 | value = b43_phy_read(dev, B43_LPPHY_TABLEDATALO) & 0xFF; |
| 43 | break; |
| 44 | case B43_LPTAB_16BIT: |
| 45 | b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); |
| 46 | value = b43_phy_read(dev, B43_LPPHY_TABLEDATALO); |
| 47 | break; |
| 48 | case B43_LPTAB_32BIT: |
| 49 | b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); |
| 50 | value = b43_phy_read(dev, B43_LPPHY_TABLEDATAHI); |
| 51 | value <<= 16; |
| 52 | value |= b43_phy_read(dev, B43_LPPHY_TABLEDATALO); |
| 53 | break; |
| 54 | default: |
| 55 | B43_WARN_ON(1); |
| 56 | value = 0; |
| 57 | } |
| 58 | |
| 59 | return value; |
| 60 | } |
| 61 | |
| 62 | void b43_lptab_write(struct b43_wldev *dev, u32 offset, u32 value) |
| 63 | { |
| 64 | u32 type; |
| 65 | |
| 66 | type = offset & B43_LPTAB_TYPEMASK; |
| 67 | offset &= ~B43_LPTAB_TYPEMASK; |
| 68 | B43_WARN_ON(offset > 0xFFFF); |
| 69 | |
| 70 | switch (type) { |
| 71 | case B43_LPTAB_8BIT: |
| 72 | B43_WARN_ON(value & ~0xFF); |
| 73 | b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); |
| 74 | b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value); |
| 75 | break; |
| 76 | case B43_LPTAB_16BIT: |
| 77 | B43_WARN_ON(value & ~0xFFFF); |
| 78 | b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); |
| 79 | b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value); |
| 80 | break; |
| 81 | case B43_LPTAB_32BIT: |
| 82 | b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); |
| 83 | b43_phy_write(dev, B43_LPPHY_TABLEDATAHI, value >> 16); |
| 84 | b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value); |
| 85 | break; |
| 86 | default: |
| 87 | B43_WARN_ON(1); |
| 88 | } |
| 89 | } |