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path: root/drivers/net/wireless/broadcom/b43/bus.c
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Diffstat (limited to 'drivers/net/wireless/broadcom/b43/bus.c')
-rw-r--r--drivers/net/wireless/broadcom/b43/bus.c265
1 files changed, 265 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/b43/bus.c b/drivers/net/wireless/broadcom/b43/bus.c
new file mode 100644
index 000000000000..17d16a391fe6
--- /dev/null
+++ b/drivers/net/wireless/broadcom/b43/bus.c
@@ -0,0 +1,265 @@
+/*
+
+ Broadcom B43 wireless driver
+ Bus abstraction layer
+
+ Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
+
+ 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.
+
+*/
+
+#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
+ }
+}