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/*
* 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;
}
}
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