From 46df22bd12c8ed6dc16a515ff7fea27464ffa589 Mon Sep 17 00:00:00 2001 From: Mark Einon Date: Sun, 4 Sep 2011 11:24:40 +0100 Subject: [PATCH] staging: et131x: Replace magic numbers in et1310_phy.c with defines Replaced et131x_phy.c magic numbers specifying registers and their values with defines, defined in et131x_phy.h Signed-off-by: Mark Einon Signed-off-by: Greg Kroah-Hartman --- drivers/staging/et131x/et1310_phy.c | 77 +++++++++++++------------- drivers/staging/et131x/et1310_phy.h | 84 ++++++++++++++++++++++------- 2 files changed, 105 insertions(+), 56 deletions(-) diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c index 6c3ceed8aa52..3c82f44a9615 100644 --- a/drivers/staging/et131x/et1310_phy.c +++ b/drivers/staging/et131x/et1310_phy.c @@ -122,12 +122,11 @@ int et131x_mdio_reset(struct mii_bus *bus) struct net_device *netdev = bus->priv; struct et131x_adapter *adapter = netdev_priv(netdev); - et131x_mii_write(adapter, MII_BMCR, 0x8000); + et131x_mii_write(adapter, MII_BMCR, BMCR_RESET); return 0; } - int et131x_mii_read(struct et131x_adapter *adapter, u8 reg, u16 *value) { struct phy_device *phydev = adapter->phydev; @@ -293,9 +292,9 @@ void et1310_phy_power_down(struct et131x_adapter *adapter, bool down) u16 data; et131x_mii_read(adapter, MII_BMCR, &data); - data &= ~0x0800; /* Power UP */ - if (down) /* Power DOWN */ - data |= 0x0800; + data &= ~BMCR_PDOWN; + if (down) + data |= BMCR_PDOWN; et131x_mii_write(adapter, MII_BMCR, data); } @@ -333,19 +332,20 @@ static void et1310_phy_link_status(struct et131x_adapter *adapter, et131x_mii_read(adapter, PHY_PHY_STATUS, &vmi_phystatus); et131x_mii_read(adapter, MII_BMCR, &control); - *link_status = (vmi_phystatus & 0x0040) ? 1 : 0; - *autoneg = (control & 0x1000) ? ((vmi_phystatus & 0x0020) ? + *link_status = (vmi_phystatus & ET_PHY_LSTATUS) ? 1 : 0; + *autoneg = (control & ET_PHY_AUTONEG_STATUS) ? + ((vmi_phystatus & ET_PHY_AUTONEG_ENABLE) ? TRUEPHY_ANEG_COMPLETE : TRUEPHY_ANEG_NOT_COMPLETE) : - TRUEPHY_ANEG_DISABLED; - *linkspeed = (vmi_phystatus & 0x0300) >> 8; - *duplex_mode = (vmi_phystatus & 0x0080) >> 7; + TRUEPHY_ANEG_DISABLED; + *linkspeed = (vmi_phystatus & ET_PHY_SPEED_STATUS) >> 8; + *duplex_mode = (vmi_phystatus & ET_PHY_DUPLEX_STATUS) >> 7; /* NOTE: Need to complete this */ *mdi_mdix = 0; - *masterslave = (is1000BaseT & 0x4000) ? + *masterslave = (is1000BaseT & ET_1000BT_MSTR_SLV) ? TRUEPHY_CFG_MASTER : TRUEPHY_CFG_SLAVE; - *polarity = (vmi_phystatus & 0x0400) ? + *polarity = (vmi_phystatus & ET_PHY_POLARITY_STATUS) ? TRUEPHY_POLARITY_INVERTED : TRUEPHY_POLARITY_NORMAL; } @@ -402,15 +402,17 @@ void et131x_xcvr_init(struct et131x_adapter *adapter) /* Zero out the adapter structure variable representing BMSR */ adapter->bmsr = 0; - et131x_mii_read(adapter, (u8) offsetof(struct mi_regs, isr), &isr); - et131x_mii_read(adapter, (u8) offsetof(struct mi_regs, imr), &imr); + et131x_mii_read(adapter, PHY_INTERRUPT_STATUS, &isr); + et131x_mii_read(adapter, PHY_INTERRUPT_MASK, &imr); /* Set the link status interrupt only. Bad behavior when link status * and auto neg are set, we run into a nested interrupt problem */ - imr |= 0x0105; + imr |= (ET_PHY_INT_MASK_AUTONEGSTAT & + ET_PHY_INT_MASK_LINKSTAT & + ET_PHY_INT_MASK_ENABLE); - et131x_mii_write(adapter, (u8) offsetof(struct mi_regs, imr), imr); + et131x_mii_write(adapter, PHY_INTERRUPT_MASK, imr); /* Set the LED behavior such that LED 1 indicates speed (off = * 10Mbits, blink = 100Mbits, on = 1000Mbits) and LED 2 indicates @@ -421,19 +423,17 @@ void et131x_xcvr_init(struct et131x_adapter *adapter) * EEPROM. However, the above description is the default. */ if ((adapter->eeprom_data[1] & 0x4) == 0) { - et131x_mii_read(adapter, (u8) offsetof(struct mi_regs, lcr2), - &lcr2); + et131x_mii_read(adapter, PHY_LED_2, &lcr2); - lcr2 &= 0x00FF; - lcr2 |= 0xA000; /* led link */ + lcr2 &= (ET_LED2_LED_100TX & ET_LED2_LED_1000T); + lcr2 |= (LED_VAL_LINKON_ACTIVE << LED_LINK_SHIFT); if ((adapter->eeprom_data[1] & 0x8) == 0) - lcr2 |= 0x0300; + lcr2 |= (LED_VAL_1000BT_100BTX << LED_TXRX_SHIFT); else - lcr2 |= 0x0400; + lcr2 |= (LED_VAL_LINKON << LED_TXRX_SHIFT); - et131x_mii_write(adapter, (u8) offsetof(struct mi_regs, lcr2), - lcr2); + et131x_mii_write(adapter, PHY_LED_2, lcr2); } } @@ -464,14 +464,16 @@ void et131x_mii_check(struct et131x_adapter *adapter, */ u16 register18; - et131x_mii_read(adapter, 0x12, ®ister18); - et131x_mii_write(adapter, 0x12, + et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, + ®ister18); + et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, register18 | 0x4); - et131x_mii_write(adapter, 0x10, + et131x_mii_write(adapter, PHY_INDEX_REG, register18 | 0x8402); - et131x_mii_write(adapter, 0x11, + et131x_mii_write(adapter, PHY_DATA_REG, register18 | 511); - et131x_mii_write(adapter, 0x12, register18); + et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, + register18); } /* Free the packets being actively sent & stopped */ @@ -516,22 +518,25 @@ void et131x_mii_check(struct et131x_adapter *adapter, */ u16 register18; - et131x_mii_read(adapter, 0x12, ®ister18); - et131x_mii_write(adapter, 0x12, + et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, + ®ister18); + et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, register18 | 0x4); - et131x_mii_write(adapter, 0x10, + et131x_mii_write(adapter, PHY_INDEX_REG, register18 | 0x8402); - et131x_mii_write(adapter, 0x11, + et131x_mii_write(adapter, PHY_DATA_REG, register18 | 511); - et131x_mii_write(adapter, 0x12, register18); + et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, + register18); } et1310_config_flow_control(adapter); if (phydev && phydev->speed == SPEED_1000 && adapter->registry_jumbo_packet > 2048) - et1310_phy_and_or_reg(adapter, 0x16, 0xcfff, - 0x2000); + et1310_phy_and_or_reg(adapter, PHY_CONFIG, + ~ET_PHY_CONFIG_TX_FIFO_DEPTH, + ET_PHY_CONFIG_FIFO_DEPTH_32); et131x_set_rx_dma_timer(adapter); et1310_config_mac_regs2(adapter); diff --git a/drivers/staging/et131x/et1310_phy.h b/drivers/staging/et131x/et1310_phy.h index 9cbc185496a9..104008ea0536 100644 --- a/drivers/staging/et131x/et1310_phy.h +++ b/drivers/staging/et131x/et1310_phy.h @@ -61,6 +61,25 @@ #include "et1310_address_map.h" +/* some defines for modem registers that seem to be 'reserved' */ +#define PHY_INDEX_REG 0x10 +#define PHY_DATA_REG 0x11 +#define PHY_MPHY_CONTROL_REG 0x12 + +/* defines for specified registers */ +#define PHY_LOOPBACK_CONTROL 0x13 /* TRU_VMI_LOOPBACK_CONTROL_1_REG 19 */ + /* TRU_VMI_LOOPBACK_CONTROL_2_REG 20 */ +#define PHY_REGISTER_MGMT_CONTROL 0x15 /* TRU_VMI_MI_SEQ_CONTROL_REG 21 */ +#define PHY_CONFIG 0x16 /* TRU_VMI_CONFIGURATION_REG 22 */ +#define PHY_PHY_CONTROL 0x17 /* TRU_VMI_PHY_CONTROL_REG 23 */ +#define PHY_INTERRUPT_MASK 0x18 /* TRU_VMI_INTERRUPT_MASK_REG 24 */ +#define PHY_INTERRUPT_STATUS 0x19 /* TRU_VMI_INTERRUPT_STATUS_REG 25 */ +#define PHY_PHY_STATUS 0x1A /* TRU_VMI_PHY_STATUS_REG 26 */ +#define PHY_LED_1 0x1B /* TRU_VMI_LED_CONTROL_1_REG 27 */ +#define PHY_LED_2 0x1C /* TRU_VMI_LED_CONTROL_2_REG 28 */ + /* TRU_VMI_LINK_CONTROL_REG 29 */ + /* TRU_VMI_TIMING_CONTROL_REG */ + /* PHY Register Mapping(MI) Management Interface Regs */ struct mi_regs { u8 bmcr; /* Basic mode control reg(Reg 0x00) */ @@ -90,6 +109,9 @@ struct mi_regs { u8 mi_res4[3]; /* Future use by MI working group(Reg 0x1D - 0x1F) */ }; +/* MI Register 10: Gigabit basic mode status reg(Reg 0x0A) */ +#define ET_1000BT_MSTR_SLV 0x4000 + /* MI Register 16 - 18: Reserved Reg(0x10-0x12) */ /* MI Register 19: Loopback Control Reg(0x13) @@ -128,6 +150,13 @@ struct mi_regs { * 2-0: mac_if_mode */ +#define ET_PHY_CONFIG_TX_FIFO_DEPTH 0x3000 + +#define ET_PHY_CONFIG_FIFO_DEPTH_8 0x0000 +#define ET_PHY_CONFIG_FIFO_DEPTH_16 0x1000 +#define ET_PHY_CONFIG_FIFO_DEPTH_32 0x2000 +#define ET_PHY_CONFIG_FIFO_DEPTH_64 0x3000 + /* MI Register 23: PHY CONTROL Reg(0x17) * 15: reserved * 14: tdr_en @@ -156,6 +185,9 @@ struct mi_regs { * 0: int_en */ +#define ET_PHY_INT_MASK_AUTONEGSTAT 0x0100 +#define ET_PHY_INT_MASK_LINKSTAT 0x0004 +#define ET_PHY_INT_MASK_ENABLE 0x0001 /* MI Register 25: Interrupt Status Reg(0x19) * 15-10: reserved @@ -187,6 +219,12 @@ struct mi_regs { * 1: pause_en * 0: asymmetric_dir */ +#define ET_PHY_AUTONEG_STATUS 0x1000 +#define ET_PHY_POLARITY_STATUS 0x0400 +#define ET_PHY_SPEED_STATUS 0x0300 +#define ET_PHY_DUPLEX_STATUS 0x0080 +#define ET_PHY_LSTATUS 0x0040 +#define ET_PHY_AUTONEG_ENABLE 0x0020 /* MI Register 27: LED Control Reg 1(0x1B) * 15-14: reserved @@ -205,11 +243,35 @@ struct mi_regs { * 7-4: led_100BaseTX * 3-0: led_1000BaseT */ +#define ET_LED2_LED_LINK 0xF000 +#define ET_LED2_LED_TXRX 0x0F00 +#define ET_LED2_LED_100TX 0x00F0 +#define ET_LED2_LED_1000T 0x000F -/* MI Register 29 - 31: Reserved Reg(0x1D - 0x1E) */ +/* defines for LED control reg 2 values */ +#define LED_VAL_1000BT 0x0 +#define LED_VAL_100BTX 0x1 +#define LED_VAL_10BT 0x2 +#define LED_VAL_1000BT_100BTX 0x3 /* 1000BT on, 100BTX blink */ +#define LED_VAL_LINKON 0x4 +#define LED_VAL_TX 0x5 +#define LED_VAL_RX 0x6 +#define LED_VAL_TXRX 0x7 /* TX or RX */ +#define LED_VAL_DUPLEXFULL 0x8 +#define LED_VAL_COLLISION 0x9 +#define LED_VAL_LINKON_ACTIVE 0xA /* Link on, activity blink */ +#define LED_VAL_LINKON_RECV 0xB /* Link on, receive blink */ +#define LED_VAL_DUPLEXFULL_COLLISION 0xC /* Duplex on, collision blink */ +#define LED_VAL_BLINK 0xD +#define LED_VAL_ON 0xE +#define LED_VAL_OFF 0xF + +#define LED_LINK_SHIFT 12 +#define LED_TXRX_SHIFT 8 +#define LED_100TX_SHIFT 4 +/* MI Register 29 - 31: Reserved Reg(0x1D - 0x1E) */ -/* Prototypes for ET1310_phy.c */ /* Defines for PHY access routines */ /* Define bit operation flags */ @@ -249,22 +311,4 @@ struct mi_regs { #define TRUEPHY_ADV_DUPLEX_BOTH \ (TRUEPHY_ADV_DUPLEX_FULL | TRUEPHY_ADV_DUPLEX_HALF) -/* some defines for modem registers that seem to be 'reserved' */ -#define PHY_INDEX_REG 0x10 -#define PHY_DATA_REG 0x11 - -#define PHY_MPHY_CONTROL_REG 0x12 -#define PHY_LOOPBACK_CONTROL 0x13 /* TRU_VMI_LOOPBACK_CONTROL_1_REG 19 */ - /* TRU_VMI_LOOPBACK_CONTROL_2_REG 20 */ -#define PHY_REGISTER_MGMT_CONTROL 0x15 /* TRU_VMI_MI_SEQ_CONTROL_REG 21 */ -#define PHY_CONFIG 0x16 /* TRU_VMI_CONFIGURATION_REG 22 */ -#define PHY_PHY_CONTROL 0x17 /* TRU_VMI_PHY_CONTROL_REG 23 */ -#define PHY_INTERRUPT_MASK 0x18 /* TRU_VMI_INTERRUPT_MASK_REG 24 */ -#define PHY_INTERRUPT_STATUS 0x19 /* TRU_VMI_INTERRUPT_STATUS_REG 25 */ -#define PHY_PHY_STATUS 0x1A /* TRU_VMI_PHY_STATUS_REG 26 */ -#define PHY_LED_1 0x1B /* TRU_VMI_LED_CONTROL_1_REG 27 */ -#define PHY_LED_2 0x1C /* TRU_VMI_LED_CONTROL_2_REG 28 */ - /* TRU_VMI_LINK_CONTROL_REG 29 */ - /* TRU_VMI_TIMING_CONTROL_REG */ - #endif /* _ET1310_PHY_H_ */ -- GitLab