230 lines
5.9 KiB
C
230 lines
5.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* This file is part of wl1271
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*
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* Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
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* Copyright (C) 2008-2010 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*/
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#ifndef __IO_H__
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#define __IO_H__
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#include <linux/irqreturn.h>
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#define HW_ACCESS_MEMORY_MAX_RANGE 0x1FFC0
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#define HW_PARTITION_REGISTERS_ADDR 0x1FFC0
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#define HW_PART0_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR)
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#define HW_PART0_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 4)
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#define HW_PART1_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 8)
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#define HW_PART1_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 12)
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#define HW_PART2_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 16)
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#define HW_PART2_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 20)
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#define HW_PART3_SIZE_ADDR (HW_PARTITION_REGISTERS_ADDR + 24)
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#define HW_PART3_START_ADDR (HW_PARTITION_REGISTERS_ADDR + 28)
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#define HW_ACCESS_REGISTER_SIZE 4
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#define HW_ACCESS_PRAM_MAX_RANGE 0x3c000
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struct wl1271;
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void wlcore_disable_interrupts(struct wl1271 *wl);
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void wlcore_disable_interrupts_nosync(struct wl1271 *wl);
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void wlcore_enable_interrupts(struct wl1271 *wl);
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void wlcore_synchronize_interrupts(struct wl1271 *wl);
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void wl1271_io_reset(struct wl1271 *wl);
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void wl1271_io_init(struct wl1271 *wl);
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int wlcore_translate_addr(struct wl1271 *wl, int addr);
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/* Raw target IO, address is not translated */
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static inline int __must_check wlcore_raw_write(struct wl1271 *wl, int addr,
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void *buf, size_t len,
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bool fixed)
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{
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int ret;
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if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags) ||
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WARN_ON((test_bit(WL1271_FLAG_IN_ELP, &wl->flags) &&
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addr != HW_ACCESS_ELP_CTRL_REG)))
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return -EIO;
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ret = wl->if_ops->write(wl->dev, addr, buf, len, fixed);
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if (ret && wl->state != WLCORE_STATE_OFF)
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set_bit(WL1271_FLAG_IO_FAILED, &wl->flags);
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return ret;
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}
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static inline int __must_check wlcore_raw_read(struct wl1271 *wl, int addr,
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void *buf, size_t len,
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bool fixed)
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{
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int ret;
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if (test_bit(WL1271_FLAG_IO_FAILED, &wl->flags) ||
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WARN_ON((test_bit(WL1271_FLAG_IN_ELP, &wl->flags) &&
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addr != HW_ACCESS_ELP_CTRL_REG)))
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return -EIO;
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ret = wl->if_ops->read(wl->dev, addr, buf, len, fixed);
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if (ret && wl->state != WLCORE_STATE_OFF)
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set_bit(WL1271_FLAG_IO_FAILED, &wl->flags);
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return ret;
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}
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static inline int __must_check wlcore_raw_read_data(struct wl1271 *wl, int reg,
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void *buf, size_t len,
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bool fixed)
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{
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return wlcore_raw_read(wl, wl->rtable[reg], buf, len, fixed);
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}
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static inline int __must_check wlcore_raw_write_data(struct wl1271 *wl, int reg,
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void *buf, size_t len,
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bool fixed)
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{
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return wlcore_raw_write(wl, wl->rtable[reg], buf, len, fixed);
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}
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static inline int __must_check wlcore_raw_read32(struct wl1271 *wl, int addr,
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u32 *val)
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{
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int ret;
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ret = wlcore_raw_read(wl, addr, wl->buffer_32,
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sizeof(*wl->buffer_32), false);
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if (ret < 0)
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return ret;
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if (val)
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*val = le32_to_cpu(*wl->buffer_32);
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return 0;
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}
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static inline int __must_check wlcore_raw_write32(struct wl1271 *wl, int addr,
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u32 val)
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{
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*wl->buffer_32 = cpu_to_le32(val);
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return wlcore_raw_write(wl, addr, wl->buffer_32,
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sizeof(*wl->buffer_32), false);
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}
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static inline int __must_check wlcore_read(struct wl1271 *wl, int addr,
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void *buf, size_t len, bool fixed)
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{
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int physical;
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physical = wlcore_translate_addr(wl, addr);
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return wlcore_raw_read(wl, physical, buf, len, fixed);
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}
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static inline int __must_check wlcore_write(struct wl1271 *wl, int addr,
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void *buf, size_t len, bool fixed)
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{
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int physical;
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physical = wlcore_translate_addr(wl, addr);
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return wlcore_raw_write(wl, physical, buf, len, fixed);
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}
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static inline int __must_check wlcore_write_data(struct wl1271 *wl, int reg,
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void *buf, size_t len,
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bool fixed)
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{
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return wlcore_write(wl, wl->rtable[reg], buf, len, fixed);
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}
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static inline int __must_check wlcore_read_data(struct wl1271 *wl, int reg,
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void *buf, size_t len,
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bool fixed)
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{
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return wlcore_read(wl, wl->rtable[reg], buf, len, fixed);
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}
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static inline int __must_check wlcore_read_hwaddr(struct wl1271 *wl, int hwaddr,
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void *buf, size_t len,
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bool fixed)
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{
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int physical;
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int addr;
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/* Convert from FW internal address which is chip arch dependent */
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addr = wl->ops->convert_hwaddr(wl, hwaddr);
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physical = wlcore_translate_addr(wl, addr);
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return wlcore_raw_read(wl, physical, buf, len, fixed);
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}
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static inline int __must_check wlcore_read32(struct wl1271 *wl, int addr,
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u32 *val)
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{
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return wlcore_raw_read32(wl, wlcore_translate_addr(wl, addr), val);
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}
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static inline int __must_check wlcore_write32(struct wl1271 *wl, int addr,
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u32 val)
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{
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return wlcore_raw_write32(wl, wlcore_translate_addr(wl, addr), val);
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}
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static inline int __must_check wlcore_read_reg(struct wl1271 *wl, int reg,
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u32 *val)
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{
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return wlcore_raw_read32(wl,
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wlcore_translate_addr(wl, wl->rtable[reg]),
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val);
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}
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static inline int __must_check wlcore_write_reg(struct wl1271 *wl, int reg,
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u32 val)
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{
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return wlcore_raw_write32(wl,
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wlcore_translate_addr(wl, wl->rtable[reg]),
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val);
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}
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static inline void wl1271_power_off(struct wl1271 *wl)
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{
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int ret = 0;
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if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags))
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return;
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if (wl->if_ops->power)
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ret = wl->if_ops->power(wl->dev, false);
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if (!ret)
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clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
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}
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static inline int wl1271_power_on(struct wl1271 *wl)
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{
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int ret = 0;
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if (wl->if_ops->power)
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ret = wl->if_ops->power(wl->dev, true);
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if (ret == 0)
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set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
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return ret;
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}
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int wlcore_set_partition(struct wl1271 *wl,
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const struct wlcore_partition_set *p);
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bool wl1271_set_block_size(struct wl1271 *wl);
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/* Functions from wl1271_main.c */
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int wl1271_tx_dummy_packet(struct wl1271 *wl);
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#endif
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