| Bob Copeland | 0764de6 | 2009-08-07 13:32:56 +0300 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of wl12xx |
| 3 | * |
| 4 | * Copyright (C) 2008 Nokia Corporation |
| 5 | * |
| 6 | * Contact: Kalle Valo <kalle.valo@nokia.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include "wl1251.h" |
| 25 | #include "reg.h" |
| 26 | #include "wl1251_io.h" |
| 27 | |
| 28 | static int wl1251_translate_reg_addr(struct wl1251 *wl, int addr) |
| 29 | { |
| 30 | /* If the address is lower than REGISTERS_BASE, it means that this is |
| 31 | * a chip-specific register address, so look it up in the registers |
| 32 | * table */ |
| 33 | if (addr < REGISTERS_BASE) { |
| 34 | /* Make sure we don't go over the table */ |
| 35 | if (addr >= ACX_REG_TABLE_LEN) { |
| 36 | wl1251_error("address out of range (%d)", addr); |
| 37 | return -EINVAL; |
| 38 | } |
| 39 | addr = wl->chip.acx_reg_table[addr]; |
| 40 | } |
| 41 | |
| 42 | return addr - wl->physical_reg_addr + wl->virtual_reg_addr; |
| 43 | } |
| 44 | |
| 45 | static int wl1251_translate_mem_addr(struct wl1251 *wl, int addr) |
| 46 | { |
| 47 | return addr - wl->physical_mem_addr + wl->virtual_mem_addr; |
| 48 | } |
| 49 | |
| 50 | void wl1251_mem_read(struct wl1251 *wl, int addr, void *buf, size_t len) |
| 51 | { |
| 52 | int physical; |
| 53 | |
| 54 | physical = wl1251_translate_mem_addr(wl, addr); |
| 55 | |
| 56 | wl1251_spi_read(wl, physical, buf, len); |
| 57 | } |
| 58 | |
| 59 | void wl1251_mem_write(struct wl1251 *wl, int addr, void *buf, size_t len) |
| 60 | { |
| 61 | int physical; |
| 62 | |
| 63 | physical = wl1251_translate_mem_addr(wl, addr); |
| 64 | |
| 65 | wl1251_spi_write(wl, physical, buf, len); |
| 66 | } |
| 67 | |
| 68 | u32 wl1251_mem_read32(struct wl1251 *wl, int addr) |
| 69 | { |
| 70 | return wl1251_read32(wl, wl1251_translate_mem_addr(wl, addr)); |
| 71 | } |
| 72 | |
| 73 | void wl1251_mem_write32(struct wl1251 *wl, int addr, u32 val) |
| 74 | { |
| 75 | wl1251_write32(wl, wl1251_translate_mem_addr(wl, addr), val); |
| 76 | } |
| 77 | |
| 78 | u32 wl1251_reg_read32(struct wl1251 *wl, int addr) |
| 79 | { |
| 80 | return wl1251_read32(wl, wl1251_translate_reg_addr(wl, addr)); |
| 81 | } |
| 82 | |
| 83 | void wl1251_reg_write32(struct wl1251 *wl, int addr, u32 val) |
| 84 | { |
| 85 | wl1251_write32(wl, wl1251_translate_reg_addr(wl, addr), val); |
| 86 | } |