[PATCH 09/12] staging: et131x: Replace magic numbers in et1310_phy.c with defines
Mark Einon
mark.einon at gmail.com
Sun Sep 4 10:24:40 UTC 2011
Replaced et131x_phy.c magic numbers specifying registers and their values with defines, defined in et131x_phy.h
Signed-off-by: Mark Einon <mark.einon at gmail.com>
---
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 6c3ceed..3c82f44 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 9cbc185..104008e 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_ */
--
1.7.6
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