summaryrefslogtreecommitdiffstats
path: root/drivers/bcma/host_pci.c
diff options
context:
space:
mode:
authorJohn W. Linville <linville@tuxdriver.com>2011-06-08 13:44:21 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-06-08 13:44:21 -0400
commitc0c33addcba2ce753b4e2746db99feaae2f82a85 (patch)
treedab480183ac0e64bfe9250e1f294705d1a424c78 /drivers/bcma/host_pci.c
parentffbc03bc75b39c7bd412e7cc6d2185c11b0ffedd (diff)
parent931749bf78b969c54de9bbc67cf29b13a40bb73b (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/bcma/host_pci.c')
-rw-r--r--drivers/bcma/host_pci.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
index 471a04013fe..2a526bc3342 100644
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -65,6 +65,54 @@ static void bcma_host_pci_write32(struct bcma_device *core, u16 offset,
iowrite32(value, core->bus->mmio + offset);
}
+#ifdef CONFIG_BCMA_BLOCKIO
+void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->bus->mmio + offset;
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ switch (reg_width) {
+ case sizeof(u8):
+ ioread8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ WARN_ON(count & 1);
+ ioread16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ WARN_ON(count & 3);
+ ioread32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+
+void bcma_host_pci_block_write(struct bcma_device *core, const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->bus->mmio + offset;
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ switch (reg_width) {
+ case sizeof(u8):
+ iowrite8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ WARN_ON(count & 1);
+ iowrite16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ WARN_ON(count & 3);
+ iowrite32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+#endif
+
static u32 bcma_host_pci_aread32(struct bcma_device *core, u16 offset)
{
if (core->bus->mapped_core != core)
@@ -87,6 +135,10 @@ const struct bcma_host_ops bcma_host_pci_ops = {
.write8 = bcma_host_pci_write8,
.write16 = bcma_host_pci_write16,
.write32 = bcma_host_pci_write32,
+#ifdef CONFIG_BCMA_BLOCKIO
+ .block_read = bcma_host_pci_block_read,
+ .block_write = bcma_host_pci_block_write,
+#endif
.aread32 = bcma_host_pci_aread32,
.awrite32 = bcma_host_pci_awrite32,
};