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b43: HT-PHY: allow writing longer tables with a single call

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Sometimes we need to write table which is 2-10 elements long. It's
easier to create such a function instead of defining array every time.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2011-08-23 19:09:30 +02:00 committed by John W. Linville
parent 98f8dc72ac
commit 87a8c8cb20
2 changed files with 46 additions and 0 deletions
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45
drivers/net/wireless/b43/tables_phy_ht.c
View File

@ -710,6 +710,51 @@ void b43_httab_write(struct b43_wldev *dev, u32 offset, u32 value)
return;
}
void b43_httab_write_few(struct b43_wldev *dev, u32 offset, size_t num, ...)
{
va_list args;
u32 type, value;
unsigned int i;
type = offset & B43_HTTAB_TYPEMASK;
offset &= 0xFFFF;
va_start(args, num);
switch (type) {
case B43_HTTAB_8BIT:
b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
for (i = 0; i < num; i++) {
value = va_arg(args, int);
B43_WARN_ON(value & ~0xFF);
b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);
}
break;
case B43_HTTAB_16BIT:
b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
for (i = 0; i < num; i++) {
value = va_arg(args, int);
B43_WARN_ON(value & ~0xFFFF);
b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);
}
break;
case B43_HTTAB_32BIT:
b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);
for (i = 0; i < num; i++) {
value = va_arg(args, int);
b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI,
value >> 16);
b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO,
value & 0xFFFF);
}
break;
default:
B43_WARN_ON(1);
}
va_end(args);
return;
}
void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,
unsigned int nr_elements, const void *_data)
{

1
drivers/net/wireless/b43/tables_phy_ht.h
View File

@ -14,6 +14,7 @@ u32 b43_httab_read(struct b43_wldev *dev, u32 offset);
void b43_httab_read_bulk(struct b43_wldev *dev, u32 offset,
unsigned int nr_elements, void *_data);
void b43_httab_write(struct b43_wldev *dev, u32 offset, u32 value);
void b43_httab_write_few(struct b43_wldev *dev, u32 offset, size_t num, ...);
void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,
unsigned int nr_elements, const void *_data);