| /* |
| * This file is part of wl18xx |
| * |
| * Copyright (C) 2011 Texas Instruments |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * 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; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| * 02110-1301 USA |
| * |
| */ |
| |
| #include "../wlcore/wlcore.h" |
| #include "../wlcore/io.h" |
| |
| #include "io.h" |
| |
| void wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val) |
| { |
| u32 tmp; |
| |
| if (WARN_ON(addr % 2)) |
| return; |
| |
| if ((addr % 4) == 0) { |
| tmp = wl1271_read32(wl, addr); |
| tmp = (tmp & 0xffff0000) | val; |
| wl1271_write32(wl, addr, tmp); |
| } else { |
| tmp = wl1271_read32(wl, addr - 2); |
| tmp = (tmp & 0xffff) | (val << 16); |
| wl1271_write32(wl, addr - 2, tmp); |
| } |
| } |
| |
| u16 wl18xx_top_reg_read(struct wl1271 *wl, int addr) |
| { |
| u32 val; |
| |
| if (WARN_ON(addr % 2)) |
| return 0; |
| |
| if ((addr % 4) == 0) { |
| /* address is 4-bytes aligned */ |
| val = wl1271_read32(wl, addr); |
| return val & 0xffff; |
| } else { |
| val = wl1271_read32(wl, addr - 2); |
| return (val & 0xffff0000) >> 16; |
| } |
| } |
