Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Teemu Paasikivi |
266 |
35.09% |
4 |
20.00% |
| Luciano Coelho |
256 |
33.77% |
4 |
20.00% |
| Ido Yariv |
133 |
17.55% |
4 |
20.00% |
| Shahar Levi |
36 |
4.75% |
2 |
10.00% |
| Felipe Balbi |
29 |
3.83% |
2 |
10.00% |
| Guy Mishol |
25 |
3.30% |
1 |
5.00% |
| Shahar Patury |
9 |
1.19% |
1 |
5.00% |
| Roger Quadros |
2 |
0.26% |
1 |
5.00% |
| Thomas Gleixner |
2 |
0.26% |
1 |
5.00% |
| Total |
758 |
|
20 |
|
// 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);
}