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atl1: add PHY power save mode 

Using vendor-provided magic, add code to enter power save mode
on the PHY.  We'll need this for suspend and wake-on-lan.

Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jay Cliburn 2008-05-09 22:12:06 -05:00 committed by Jeff Garzik
parent f403ede705
commit ff772b27e5
2 changed files with 11 additions and 11 deletions
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19
drivers/net/atlx/atl1.c
View File

@ -638,21 +638,18 @@ static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw)
}
/*
*TODO: do something or get rid of this
* Force the PHY into power saving mode using vendor magic.
*/
#ifdef CONFIG_PM
static s32 atl1_phy_enter_power_saving(struct atl1_hw *hw)
static void atl1_phy_enter_power_saving(struct atl1_hw *hw)
{
/* s32 ret_val;
* u16 phy_data;
*/
atl1_write_phy_reg(hw, MII_DBG_ADDR, 0);
atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E);
atl1_write_phy_reg(hw, MII_DBG_ADDR, 2);
atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
atl1_write_phy_reg(hw, MII_DBG_ADDR, 3);
atl1_write_phy_reg(hw, MII_DBG_DATA, 0);
/*
ret_val = atl1_write_phy_reg(hw, ...);
ret_val = atl1_write_phy_reg(hw, ...);
....
*/
return 0;
}
#endif

3
drivers/net/atlx/atlx.h
View File

@ -460,6 +460,9 @@ MODULE_VERSION(ATLX_DRIVER_VERSION);
#define MII_ATLX_PSSR_100MBS 0x4000 /* 01=100Mbs */
#define MII_ATLX_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
#define MII_DBG_ADDR 0x1D
#define MII_DBG_DATA 0x1E
/* PCI Command Register Bit Definitions */
#define PCI_REG_COMMAND 0x04 /* PCI Command Register */
#define CMD_IO_SPACE 0x0001