linux_dsm_epyc7002/drivers/net/wireless/broadcom/b43/bus.c
Thomas Gleixner ca47d34458 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 20
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 as published by
  the free software foundation either version 2 of the license or at
  your option any later version 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 see the file copying if not write to the free
  software foundation inc 51 franklin steet fifth floor boston ma
  02110 1301 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 41 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154042.524645346@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 11:28:46 +02:00

253 lines
6.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
Broadcom B43 wireless driver
Bus abstraction layer
Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
*/
#ifdef CONFIG_BCM47XX_BCMA
#include <asm/mach-bcm47xx/bcm47xx.h>
#endif
#include "b43.h"
#include "bus.h"
/* BCMA */
#ifdef CONFIG_B43_BCMA
static int b43_bus_bcma_bus_may_powerdown(struct b43_bus_dev *dev)
{
return 0; /* bcma_bus_may_powerdown(dev->bdev->bus); */
}
static int b43_bus_bcma_bus_powerup(struct b43_bus_dev *dev,
bool dynamic_pctl)
{
return 0; /* bcma_bus_powerup(dev->sdev->bus, dynamic_pctl); */
}
static int b43_bus_bcma_device_is_enabled(struct b43_bus_dev *dev)
{
return bcma_core_is_enabled(dev->bdev);
}
static void b43_bus_bcma_device_enable(struct b43_bus_dev *dev,
u32 core_specific_flags)
{
bcma_core_enable(dev->bdev, core_specific_flags);
}
static void b43_bus_bcma_device_disable(struct b43_bus_dev *dev,
u32 core_specific_flags)
{
bcma_core_disable(dev->bdev, core_specific_flags);
}
static u16 b43_bus_bcma_read16(struct b43_bus_dev *dev, u16 offset)
{
return bcma_read16(dev->bdev, offset);
}
static u32 b43_bus_bcma_read32(struct b43_bus_dev *dev, u16 offset)
{
return bcma_read32(dev->bdev, offset);
}
static
void b43_bus_bcma_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
{
bcma_write16(dev->bdev, offset, value);
}
static
void b43_bus_bcma_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
{
bcma_write32(dev->bdev, offset, value);
}
static
void b43_bus_bcma_block_read(struct b43_bus_dev *dev, void *buffer,
size_t count, u16 offset, u8 reg_width)
{
bcma_block_read(dev->bdev, buffer, count, offset, reg_width);
}
static
void b43_bus_bcma_block_write(struct b43_bus_dev *dev, const void *buffer,
size_t count, u16 offset, u8 reg_width)
{
bcma_block_write(dev->bdev, buffer, count, offset, reg_width);
}
struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core)
{
struct b43_bus_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return NULL;
dev->bus_type = B43_BUS_BCMA;
dev->bdev = core;
dev->bus_may_powerdown = b43_bus_bcma_bus_may_powerdown;
dev->bus_powerup = b43_bus_bcma_bus_powerup;
dev->device_is_enabled = b43_bus_bcma_device_is_enabled;
dev->device_enable = b43_bus_bcma_device_enable;
dev->device_disable = b43_bus_bcma_device_disable;
dev->read16 = b43_bus_bcma_read16;
dev->read32 = b43_bus_bcma_read32;
dev->write16 = b43_bus_bcma_write16;
dev->write32 = b43_bus_bcma_write32;
dev->block_read = b43_bus_bcma_block_read;
dev->block_write = b43_bus_bcma_block_write;
#ifdef CONFIG_BCM47XX_BCMA
if (b43_bus_host_is_pci(dev) &&
bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA &&
bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4716)
dev->flush_writes = true;
#endif
dev->dev = &core->dev;
dev->dma_dev = core->dma_dev;
dev->irq = core->irq;
dev->board_vendor = core->bus->boardinfo.vendor;
dev->board_type = core->bus->boardinfo.type;
dev->board_rev = core->bus->sprom.board_rev;
dev->chip_id = core->bus->chipinfo.id;
dev->chip_rev = core->bus->chipinfo.rev;
dev->chip_pkg = core->bus->chipinfo.pkg;
dev->bus_sprom = &core->bus->sprom;
dev->core_id = core->id.id;
dev->core_rev = core->id.rev;
return dev;
}
#endif /* CONFIG_B43_BCMA */
/* SSB */
#ifdef CONFIG_B43_SSB
static int b43_bus_ssb_bus_may_powerdown(struct b43_bus_dev *dev)
{
return ssb_bus_may_powerdown(dev->sdev->bus);
}
static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev,
bool dynamic_pctl)
{
return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl);
}
static int b43_bus_ssb_device_is_enabled(struct b43_bus_dev *dev)
{
return ssb_device_is_enabled(dev->sdev);
}
static void b43_bus_ssb_device_enable(struct b43_bus_dev *dev,
u32 core_specific_flags)
{
ssb_device_enable(dev->sdev, core_specific_flags);
}
static void b43_bus_ssb_device_disable(struct b43_bus_dev *dev,
u32 core_specific_flags)
{
ssb_device_disable(dev->sdev, core_specific_flags);
}
static u16 b43_bus_ssb_read16(struct b43_bus_dev *dev, u16 offset)
{
return ssb_read16(dev->sdev, offset);
}
static u32 b43_bus_ssb_read32(struct b43_bus_dev *dev, u16 offset)
{
return ssb_read32(dev->sdev, offset);
}
static void b43_bus_ssb_write16(struct b43_bus_dev *dev, u16 offset, u16 value)
{
ssb_write16(dev->sdev, offset, value);
}
static void b43_bus_ssb_write32(struct b43_bus_dev *dev, u16 offset, u32 value)
{
ssb_write32(dev->sdev, offset, value);
}
static void b43_bus_ssb_block_read(struct b43_bus_dev *dev, void *buffer,
size_t count, u16 offset, u8 reg_width)
{
ssb_block_read(dev->sdev, buffer, count, offset, reg_width);
}
static
void b43_bus_ssb_block_write(struct b43_bus_dev *dev, const void *buffer,
size_t count, u16 offset, u8 reg_width)
{
ssb_block_write(dev->sdev, buffer, count, offset, reg_width);
}
struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
{
struct b43_bus_dev *dev;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return NULL;
dev->bus_type = B43_BUS_SSB;
dev->sdev = sdev;
dev->bus_may_powerdown = b43_bus_ssb_bus_may_powerdown;
dev->bus_powerup = b43_bus_ssb_bus_powerup;
dev->device_is_enabled = b43_bus_ssb_device_is_enabled;
dev->device_enable = b43_bus_ssb_device_enable;
dev->device_disable = b43_bus_ssb_device_disable;
dev->read16 = b43_bus_ssb_read16;
dev->read32 = b43_bus_ssb_read32;
dev->write16 = b43_bus_ssb_write16;
dev->write32 = b43_bus_ssb_write32;
dev->block_read = b43_bus_ssb_block_read;
dev->block_write = b43_bus_ssb_block_write;
dev->dev = sdev->dev;
dev->dma_dev = sdev->dma_dev;
dev->irq = sdev->irq;
dev->board_vendor = sdev->bus->boardinfo.vendor;
dev->board_type = sdev->bus->boardinfo.type;
dev->board_rev = sdev->bus->sprom.board_rev;
dev->chip_id = sdev->bus->chip_id;
dev->chip_rev = sdev->bus->chip_rev;
dev->chip_pkg = sdev->bus->chip_package;
dev->bus_sprom = &sdev->bus->sprom;
dev->core_id = sdev->id.coreid;
dev->core_rev = sdev->id.revision;
return dev;
}
#endif /* CONFIG_B43_SSB */
void *b43_bus_get_wldev(struct b43_bus_dev *dev)
{
switch (dev->bus_type) {
#ifdef CONFIG_B43_BCMA
case B43_BUS_BCMA:
return bcma_get_drvdata(dev->bdev);
#endif
#ifdef CONFIG_B43_SSB
case B43_BUS_SSB:
return ssb_get_drvdata(dev->sdev);
#endif
}
return NULL;
}
void b43_bus_set_wldev(struct b43_bus_dev *dev, void *wldev)
{
switch (dev->bus_type) {
#ifdef CONFIG_B43_BCMA
case B43_BUS_BCMA:
bcma_set_drvdata(dev->bdev, wldev);
break;
#endif
#ifdef CONFIG_B43_SSB
case B43_BUS_SSB:
ssb_set_drvdata(dev->sdev, wldev);
break;
#endif
}
}