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61 lines
1.1 KiB
61 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* This file is part of wl18xx |
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* |
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* Copyright (C) 2011 Texas Instruments |
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*/ |
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#include "../wlcore/wlcore.h" |
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#include "../wlcore/io.h" |
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#include "io.h" |
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int wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val) |
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{ |
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u32 tmp; |
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int ret; |
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if (WARN_ON(addr % 2)) |
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return -EINVAL; |
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if ((addr % 4) == 0) { |
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ret = wlcore_read32(wl, addr, &tmp); |
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if (ret < 0) |
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goto out; |
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tmp = (tmp & 0xffff0000) | val; |
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ret = wlcore_write32(wl, addr, tmp); |
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} else { |
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ret = wlcore_read32(wl, addr - 2, &tmp); |
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if (ret < 0) |
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goto out; |
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tmp = (tmp & 0xffff) | (val << 16); |
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ret = wlcore_write32(wl, addr - 2, tmp); |
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} |
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out: |
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return ret; |
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} |
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int wl18xx_top_reg_read(struct wl1271 *wl, int addr, u16 *out) |
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{ |
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u32 val = 0; |
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int ret; |
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if (WARN_ON(addr % 2)) |
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return -EINVAL; |
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if ((addr % 4) == 0) { |
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/* address is 4-bytes aligned */ |
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ret = wlcore_read32(wl, addr, &val); |
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if (ret >= 0 && out) |
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*out = val & 0xffff; |
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} else { |
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ret = wlcore_read32(wl, addr - 2, &val); |
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if (ret >= 0 && out) |
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*out = (val & 0xffff0000) >> 16; |
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} |
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return ret; |
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}
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