-#ifndef SK_SLIM
-/******************************************************************************
- *
- * SkGmEnterLowPowerMode()
- *
- * Description:
- * This function sets the Marvell Alaska PHY to the low power mode
- * given by parameter mode.
- * The following low power modes are available:
- *
- * - Coma Mode (Deep Sleep):
- * Power consumption: ~15 - 30 mW
- * The PHY cannot wake up on its own.
- *
- * - IEEE 22.2.4.1.5 compatible power down mode
- * Power consumption: ~240 mW
- * The PHY cannot wake up on its own.
- *
- * - energy detect mode
- * Power consumption: ~160 mW
- * The PHY can wake up on its own by detecting activity
- * on the CAT 5 cable.
- *
- * - energy detect plus mode
- * Power consumption: ~150 mW
- * The PHY can wake up on its own by detecting activity
- * on the CAT 5 cable.
- * Connected devices can be woken up by sending normal link
- * pulses every one second.
- *
- * Note:
- *
- * Returns:
- * 0: ok
- * 1: error
- */
-int SkGmEnterLowPowerMode(
-SK_AC *pAC, /* adapter context */
-SK_IOC IoC, /* IO context */
-int Port, /* Port Index (e.g. MAC_1) */
-SK_U8 Mode) /* low power mode */
-{
- SK_U16 Word;
- SK_U32 DWord;
- SK_U8 LastMode;
- int Ret = 0;
-
- if (pAC->GIni.GIYukonLite &&
- pAC->GIni.GIChipRev == CHIP_REV_YU_LITE_A3) {
-
- /* save current power mode */
- LastMode = pAC->GIni.GP[Port].PPhyPowerState;
- pAC->GIni.GP[Port].PPhyPowerState = Mode;
-
- switch (Mode) {
- /* coma mode (deep sleep) */
- case PHY_PM_DEEP_SLEEP:
- /* setup General Purpose Control Register */
- GM_OUT16(IoC, 0, GM_GP_CTRL, GM_GPCR_FL_PASS |
- GM_GPCR_SPEED_100 | GM_GPCR_AU_ALL_DIS);
-
- /* apply COMA mode workaround */
- SkGmPhyWrite(pAC, IoC, Port, 29, 0x001f);
- SkGmPhyWrite(pAC, IoC, Port, 30, 0xfff3);
-
- SK_IN32(IoC, PCI_C(PCI_OUR_REG_1), &DWord);
-
- SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_ON);
-
- /* Set PHY to Coma Mode */
- SK_OUT32(IoC, PCI_C(PCI_OUR_REG_1), DWord | PCI_PHY_COMA);
-
- SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
-
- break;
-
- /* IEEE 22.2.4.1.5 compatible power down mode */
- case PHY_PM_IEEE_POWER_DOWN:
- /*
- * - disable MAC 125 MHz clock
- * - allow MAC power down
- */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word);
- Word |= PHY_M_PC_DIS_125CLK;
- Word &= ~PHY_M_PC_MAC_POW_UP;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word);
-
- /*
- * register changes must be followed by a software
- * reset to take effect
- */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word);
- Word |= PHY_CT_RESET;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word);
-
- /* switch IEEE compatible power down mode on */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word);
- Word |= PHY_CT_PDOWN;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word);
- break;
-
- /* energy detect and energy detect plus mode */
- case PHY_PM_ENERGY_DETECT:
- case PHY_PM_ENERGY_DETECT_PLUS:
- /*
- * - disable MAC 125 MHz clock
- */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word);
- Word |= PHY_M_PC_DIS_125CLK;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word);
-
- /* activate energy detect mode 1 */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word);
-
- /* energy detect mode */
- if (Mode == PHY_PM_ENERGY_DETECT) {
- Word |= PHY_M_PC_EN_DET;
- }
- /* energy detect plus mode */
- else {
- Word |= PHY_M_PC_EN_DET_PLUS;
- }
-
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word);
-
- /*
- * reinitialize the PHY to force a software reset
- * which is necessary after the register settings
- * for the energy detect modes.
- * Furthermore reinitialisation prevents that the
- * PHY is running out of a stable state.
- */
- SkGmInitPhyMarv(pAC, IoC, Port, SK_FALSE);
- break;
-
- /* don't change current power mode */
- default:
- pAC->GIni.GP[Port].PPhyPowerState = LastMode;
- Ret = 1;
- break;
- }
- }
- /* low power modes are not supported by this chip */
- else {
- Ret = 1;
- }
-
- return(Ret);
-
-} /* SkGmEnterLowPowerMode */
-
-/******************************************************************************
- *
- * SkGmLeaveLowPowerMode()
- *
- * Description:
- * Leave the current low power mode and switch to normal mode
- *
- * Note:
- *
- * Returns:
- * 0: ok
- * 1: error
- */
-int SkGmLeaveLowPowerMode(
-SK_AC *pAC, /* adapter context */
-SK_IOC IoC, /* IO context */
-int Port) /* Port Index (e.g. MAC_1) */
-{
- SK_U32 DWord;
- SK_U16 Word;
- SK_U8 LastMode;
- int Ret = 0;
-
- if (pAC->GIni.GIYukonLite &&
- pAC->GIni.GIChipRev == CHIP_REV_YU_LITE_A3) {
-
- /* save current power mode */
- LastMode = pAC->GIni.GP[Port].PPhyPowerState;
- pAC->GIni.GP[Port].PPhyPowerState = PHY_PM_OPERATIONAL_MODE;
-
- switch (LastMode) {
- /* coma mode (deep sleep) */
- case PHY_PM_DEEP_SLEEP:
- SK_IN32(IoC, PCI_C(PCI_OUR_REG_1), &DWord);
-
- SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_ON);
-
- /* Release PHY from Coma Mode */
- SK_OUT32(IoC, PCI_C(PCI_OUR_REG_1), DWord & ~PCI_PHY_COMA);
-
- SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
-
- SK_IN32(IoC, B2_GP_IO, &DWord);
-
- /* set to output */
- DWord |= (GP_DIR_9 | GP_IO_9);
-
- /* set PHY reset */
- SK_OUT32(IoC, B2_GP_IO, DWord);
-
- DWord &= ~GP_IO_9; /* clear PHY reset (active high) */
-
- /* clear PHY reset */
- SK_OUT32(IoC, B2_GP_IO, DWord);
- break;
-
- /* IEEE 22.2.4.1.5 compatible power down mode */
- case PHY_PM_IEEE_POWER_DOWN:
- /*
- * - enable MAC 125 MHz clock
- * - set MAC power up
- */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word);
- Word &= ~PHY_M_PC_DIS_125CLK;
- Word |= PHY_M_PC_MAC_POW_UP;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word);
-
- /*
- * register changes must be followed by a software
- * reset to take effect
- */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word);
- Word |= PHY_CT_RESET;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word);
-
- /* switch IEEE compatible power down mode off */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word);
- Word &= ~PHY_CT_PDOWN;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word);
- break;
-
- /* energy detect and energy detect plus mode */
- case PHY_PM_ENERGY_DETECT:
- case PHY_PM_ENERGY_DETECT_PLUS:
- /*
- * - enable MAC 125 MHz clock
- */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word);
- Word &= ~PHY_M_PC_DIS_125CLK;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word);
-
- /* disable energy detect mode */
- SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word);
- Word &= ~PHY_M_PC_EN_DET_MSK;
- SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word);
-
- /*
- * reinitialize the PHY to force a software reset
- * which is necessary after the register settings
- * for the energy detect modes.
- * Furthermore reinitialisation prevents that the
- * PHY is running out of a stable state.
- */
- SkGmInitPhyMarv(pAC, IoC, Port, SK_FALSE);
- break;
-
- /* don't change current power mode */
- default:
- pAC->GIni.GP[Port].PPhyPowerState = LastMode;
- Ret = 1;
- break;
- }
- }
- /* low power modes are not supported by this chip */
- else {
- Ret = 1;
- }
-
- return(Ret);
-
-} /* SkGmLeaveLowPowerMode */
-#endif /* !SK_SLIM */
-
-