199 lines
5.7 KiB
C
199 lines
5.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* This file is part of wl1271
|
|
*
|
|
* Copyright (C) 2008-2010 Nokia Corporation
|
|
*
|
|
* Contact: Luciano Coelho <luciano.coelho@nokia.com>
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/interrupt.h>
|
|
|
|
#include "wlcore.h"
|
|
#include "debug.h"
|
|
#include "wl12xx_80211.h"
|
|
#include "io.h"
|
|
#include "tx.h"
|
|
|
|
bool wl1271_set_block_size(struct wl1271 *wl)
|
|
{
|
|
if (wl->if_ops->set_block_size) {
|
|
wl->if_ops->set_block_size(wl->dev, WL12XX_BUS_BLOCK_SIZE);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void wlcore_disable_interrupts(struct wl1271 *wl)
|
|
{
|
|
disable_irq(wl->irq);
|
|
}
|
|
EXPORT_SYMBOL_GPL(wlcore_disable_interrupts);
|
|
|
|
void wlcore_disable_interrupts_nosync(struct wl1271 *wl)
|
|
{
|
|
disable_irq_nosync(wl->irq);
|
|
}
|
|
EXPORT_SYMBOL_GPL(wlcore_disable_interrupts_nosync);
|
|
|
|
void wlcore_enable_interrupts(struct wl1271 *wl)
|
|
{
|
|
enable_irq(wl->irq);
|
|
}
|
|
EXPORT_SYMBOL_GPL(wlcore_enable_interrupts);
|
|
|
|
void wlcore_synchronize_interrupts(struct wl1271 *wl)
|
|
{
|
|
synchronize_irq(wl->irq);
|
|
}
|
|
EXPORT_SYMBOL_GPL(wlcore_synchronize_interrupts);
|
|
|
|
int wlcore_translate_addr(struct wl1271 *wl, int addr)
|
|
{
|
|
struct wlcore_partition_set *part = &wl->curr_part;
|
|
|
|
/*
|
|
* To translate, first check to which window of addresses the
|
|
* particular address belongs. Then subtract the starting address
|
|
* of that window from the address. Then, add offset of the
|
|
* translated region.
|
|
*
|
|
* The translated regions occur next to each other in physical device
|
|
* memory, so just add the sizes of the preceding address regions to
|
|
* get the offset to the new region.
|
|
*/
|
|
if ((addr >= part->mem.start) &&
|
|
(addr < part->mem.start + part->mem.size))
|
|
return addr - part->mem.start;
|
|
else if ((addr >= part->reg.start) &&
|
|
(addr < part->reg.start + part->reg.size))
|
|
return addr - part->reg.start + part->mem.size;
|
|
else if ((addr >= part->mem2.start) &&
|
|
(addr < part->mem2.start + part->mem2.size))
|
|
return addr - part->mem2.start + part->mem.size +
|
|
part->reg.size;
|
|
else if ((addr >= part->mem3.start) &&
|
|
(addr < part->mem3.start + part->mem3.size))
|
|
return addr - part->mem3.start + part->mem.size +
|
|
part->reg.size + part->mem2.size;
|
|
|
|
WARN(1, "HW address 0x%x out of range", addr);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(wlcore_translate_addr);
|
|
|
|
/* Set the partitions to access the chip addresses
|
|
*
|
|
* To simplify driver code, a fixed (virtual) memory map is defined for
|
|
* register and memory addresses. Because in the chipset, in different stages
|
|
* of operation, those addresses will move around, an address translation
|
|
* mechanism is required.
|
|
*
|
|
* There are four partitions (three memory and one register partition),
|
|
* which are mapped to two different areas of the hardware memory.
|
|
*
|
|
* Virtual address
|
|
* space
|
|
*
|
|
* | |
|
|
* ...+----+--> mem.start
|
|
* Physical address ... | |
|
|
* space ... | | [PART_0]
|
|
* ... | |
|
|
* 00000000 <--+----+... ...+----+--> mem.start + mem.size
|
|
* | | ... | |
|
|
* |MEM | ... | |
|
|
* | | ... | |
|
|
* mem.size <--+----+... | | {unused area)
|
|
* | | ... | |
|
|
* |REG | ... | |
|
|
* mem.size | | ... | |
|
|
* + <--+----+... ...+----+--> reg.start
|
|
* reg.size | | ... | |
|
|
* |MEM2| ... | | [PART_1]
|
|
* | | ... | |
|
|
* ...+----+--> reg.start + reg.size
|
|
* | |
|
|
*
|
|
*/
|
|
int wlcore_set_partition(struct wl1271 *wl,
|
|
const struct wlcore_partition_set *p)
|
|
{
|
|
int ret;
|
|
|
|
/* copy partition info */
|
|
memcpy(&wl->curr_part, p, sizeof(*p));
|
|
|
|
wl1271_debug(DEBUG_IO, "mem_start %08X mem_size %08X",
|
|
p->mem.start, p->mem.size);
|
|
wl1271_debug(DEBUG_IO, "reg_start %08X reg_size %08X",
|
|
p->reg.start, p->reg.size);
|
|
wl1271_debug(DEBUG_IO, "mem2_start %08X mem2_size %08X",
|
|
p->mem2.start, p->mem2.size);
|
|
wl1271_debug(DEBUG_IO, "mem3_start %08X mem3_size %08X",
|
|
p->mem3.start, p->mem3.size);
|
|
|
|
ret = wlcore_raw_write32(wl, HW_PART0_START_ADDR, p->mem.start);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wlcore_raw_write32(wl, HW_PART0_SIZE_ADDR, p->mem.size);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wlcore_raw_write32(wl, HW_PART1_START_ADDR, p->reg.start);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wlcore_raw_write32(wl, HW_PART1_SIZE_ADDR, p->reg.size);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wlcore_raw_write32(wl, HW_PART2_START_ADDR, p->mem2.start);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wlcore_raw_write32(wl, HW_PART2_SIZE_ADDR, p->mem2.size);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
/* wl12xx only: We don't need the size of the last partition,
|
|
* as it is automatically calculated based on the total memory
|
|
* size and the sizes of the previous partitions.
|
|
*
|
|
* wl18xx re-defines the HW_PART3 addresses for logger over
|
|
* SDIO support. wl12xx is expecting the write to
|
|
* HW_PART3_START_ADDR at offset 24. This creates conflict
|
|
* between the addresses.
|
|
* In order to fix this the expected value is written to
|
|
* HW_PART3_SIZE_ADDR instead which is at offset 24 after changes.
|
|
*/
|
|
ret = wlcore_raw_write32(wl, HW_PART3_START_ADDR, p->mem3.start);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wlcore_raw_write32(wl, HW_PART3_SIZE_ADDR, p->mem3.size);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(wlcore_set_partition);
|
|
|
|
void wl1271_io_reset(struct wl1271 *wl)
|
|
{
|
|
if (wl->if_ops->reset)
|
|
wl->if_ops->reset(wl->dev);
|
|
}
|
|
|
|
void wl1271_io_init(struct wl1271 *wl)
|
|
{
|
|
if (wl->if_ops->init)
|
|
wl->if_ops->init(wl->dev);
|
|
}
|