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Implement bus_space_read/write_multi() and bus_space_subregion().

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Used by (at least) wdc.
This commit is contained in:
pooka 2015-05-17 13:45:37 +00:00
parent 5113710e5b
commit 4bf92fe14f
1 changed files with 75 additions and 2 deletions
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77
sys/rump/dev/lib/libpci/rumpdev_bus_space.c
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@ -1,4 +1,4 @@
/* $NetBSD: rumpdev_bus_space.c,v 1.3 2014/08/22 14:28:58 pooka Exp $ */
/* $NetBSD: rumpdev_bus_space.c,v 1.4 2015/05/17 13:45:37 pooka Exp $ */
/*-
* Copyright (c) 2013 Antti Kantee. All Rights Reserved.
@ -126,6 +126,39 @@ bus_space_read_4(bus_space_tag_t bst, bus_space_handle_t bsh,
return rv;
}
void
bus_space_read_multi_1(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *datap, bus_size_t count)
{
while (count--) {
*datap++ = bus_space_read_1(bst, bsh, offset);
bus_space_barrier(bst, bst, offset, 1, BUS_SPACE_BARRIER_READ);
}
}
void
bus_space_read_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *datap, bus_size_t count)
{
while (count--) {
*datap++ = bus_space_read_2(bst, bsh, offset);
bus_space_barrier(bst, bst, offset, 2, BUS_SPACE_BARRIER_READ);
}
}
void
bus_space_read_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *datap, bus_size_t count)
{
while (count--) {
*datap++ = bus_space_read_4(bst, bsh, offset);
bus_space_barrier(bst, bst, offset, 4, BUS_SPACE_BARRIER_READ);
}
}
void
bus_space_write_1(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, uint8_t v)
@ -177,6 +210,45 @@ bus_space_write_4(bus_space_tag_t bst, bus_space_handle_t bsh,
}
}
void
bus_space_write_multi_1(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, const uint8_t *datap, bus_size_t count)
{
while (count--) {
const uint8_t value = *datap++;
bus_space_write_1(bst, bsh, offset, value);
bus_space_barrier(bst, bst, offset, 1, BUS_SPACE_BARRIER_WRITE);
}
}
void
bus_space_write_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, const uint16_t *datap, bus_size_t count)
{
while (count--) {
const uint16_t value = *datap++;
bus_space_write_2(bst, bsh, offset, value);
bus_space_barrier(bst, bst, offset, 2, BUS_SPACE_BARRIER_WRITE);
}
}
void
bus_space_write_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, const uint32_t *datap, bus_size_t count)
{
while (count--) {
const uint32_t value = *datap++;
bus_space_write_4(bst, bsh, offset, value);
bus_space_barrier(bst, bst, offset, 4, BUS_SPACE_BARRIER_WRITE);
}
}
paddr_t
bus_space_mmap(bus_space_tag_t bst, bus_addr_t addr, off_t off,
int prot, int flags)
@ -190,7 +262,8 @@ bus_space_subregion(bus_space_tag_t bst, bus_space_handle_t bsh,
bus_size_t offset, bus_size_t size, bus_space_handle_t *nhandlep)
{
panic("%s: unimplemented", __func__);
*nhandlep = bsh + offset;
return 0;
}
void