mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-27 12:57:53 +00:00
2b27bdcc20
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 246 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.674189849@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
198 lines
5.7 KiB
C
198 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);
|
|
}
|