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| author | Marc Butler | 2007-03-23 17:24:02 +0100 |
|---|---|---|
| committer | Stefan Richter | 2007-03-24 23:29:19 +0100 |
| commit | ecab413359541b1dbe8e8c91cb5fa8eafa662c05 (patch) | |
| tree | 8ce4916485d35de77645dd538d7d77538f6fe8ec /drivers/firewire | |
| parent | firewire: Export GUID as sysfs attribute. (diff) | |
| download | kernel-qcow2-linux-ecab413359541b1dbe8e8c91cb5fa8eafa662c05.tar.gz kernel-qcow2-linux-ecab413359541b1dbe8e8c91cb5fa8eafa662c05.tar.xz kernel-qcow2-linux-ecab413359541b1dbe8e8c91cb5fa8eafa662c05.zip | |
firewire: Add phy register defines.
Signed-off-by: Marc Butler <marc@adaptivecode.com>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (added whitespace)
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/fw-card.c | 14 | ||||
| -rw-r--r-- | drivers/firewire/fw-transaction.h | 6 |
2 files changed, 16 insertions, 4 deletions
diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index d929eb6fef6a..34863b60e23f 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c @@ -395,9 +395,9 @@ fw_card_add(struct fw_card *card, card->link_speed = link_speed; card->guid = guid; - /* FIXME: add #define's for phy registers. */ /* Activate link_on bit and contender bit in our self ID packets.*/ - if (card->driver->update_phy_reg(card, 4, 0, 0x80 | 0x40) < 0) + if (card->driver->update_phy_reg(card, 4, 0, + PHY_LINK_ACTIVE | PHY_CONTENDER) < 0) return -EIO; /* The subsystem grabs a reference when the card is added and @@ -483,7 +483,8 @@ static struct fw_card_driver dummy_driver = { void fw_core_remove_card(struct fw_card *card) { - card->driver->update_phy_reg(card, 4, 0x80 | 0x40, 0); + card->driver->update_phy_reg(card, 4, + PHY_LINK_ACTIVE | PHY_CONTENDER, 0); fw_core_initiate_bus_reset(card, 1); down_write(&fw_bus_type.subsys.rwsem); @@ -531,6 +532,11 @@ EXPORT_SYMBOL(fw_card_put); int fw_core_initiate_bus_reset(struct fw_card *card, int short_reset) { - return card->driver->update_phy_reg(card, short_reset ? 5 : 1, 0, 0x40); + int reg = short_reset ? 5 : 1; + /* The following values happen to be the same bit. However be + * explicit for clarity. */ + int bit = short_reset ? PHY_BUS_SHORT_RESET : PHY_BUS_RESET; + + return card->driver->update_phy_reg(card, reg, 0, bit); } EXPORT_SYMBOL(fw_core_initiate_bus_reset); diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index 662149723e98..63527340152b 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -107,6 +107,12 @@ #define PHY_PACKET_LINK_ON 0x1 #define PHY_PACKET_SELF_ID 0x2 +/* Bit fields _within_ the PHY registers. */ +#define PHY_LINK_ACTIVE 0x80 +#define PHY_CONTENDER 0x40 +#define PHY_BUS_RESET 0x40 +#define PHY_BUS_SHORT_RESET 0x40 + #define CSR_REGISTER_BASE 0xfffff0000000ULL /* register offsets relative to CSR_REGISTER_BASE */ |