net: phy: Add Broadcom phy library for common interfaces
authorArun Parameswaran <arunp@broadcom.com>
Tue, 6 Oct 2015 19:25:48 +0000 (12:25 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 8 Oct 2015 11:45:46 +0000 (04:45 -0700)
This patch adds the Broadcom phy library to consolidate common
interfaces shared by Broadcom phy's.

Moved the common interfaces to the 'bcm-phy-lib.c' and updated
the Broadcom PHY drivers to use the new APIs.

Signed-off-by: Arun Parameswaran <arunp@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/phy/Kconfig
drivers/net/phy/Makefile
drivers/net/phy/bcm-phy-lib.c [new file with mode: 0644]
drivers/net/phy/bcm-phy-lib.h [new file with mode: 0644]
drivers/net/phy/bcm63xx.c
drivers/net/phy/bcm7xxx.c
drivers/net/phy/broadcom.c
include/linux/brcmphy.h

index b57f6c280cad00166303122216c5d2d39f2fb48e..606fdc9247689c2c036ebe0f89a85c83331d4971 100644 (file)
@@ -69,8 +69,12 @@ config SMSC_PHY
        ---help---
          Currently supports the LAN83C185, LAN8187 and LAN8700 PHYs
 
+config BCM_NET_PHYLIB
+       tristate
+
 config BROADCOM_PHY
        tristate "Drivers for Broadcom PHYs"
+       select BCM_NET_PHYLIB
        ---help---
          Currently supports the BCM5411, BCM5421, BCM5461, BCM54616S, BCM5464,
          BCM5481 and BCM5482 PHYs.
@@ -78,11 +82,13 @@ config BROADCOM_PHY
 config BCM63XX_PHY
        tristate "Drivers for Broadcom 63xx SOCs internal PHY"
        depends on BCM63XX
+       select BCM_NET_PHYLIB
        ---help---
          Currently supports the 6348 and 6358 PHYs.
 
 config BCM7XXX_PHY
        tristate "Drivers for Broadcom 7xxx SOCs internal PHYs"
+       select BCM_NET_PHYLIB
        ---help---
          Currently supports the BCM7366, BCM7439, BCM7445, and
          40nm and 65nm generation of BCM7xxx Set Top Box SoCs.
index f4e6eb9b2363c0898a881bfec1dd10c6b719759e..6932475a1a8a162ccfe4a161bded2094886ca4c0 100644 (file)
@@ -12,6 +12,7 @@ obj-$(CONFIG_QSEMI_PHY)               += qsemi.o
 obj-$(CONFIG_SMSC_PHY)         += smsc.o
 obj-$(CONFIG_TERANETICS_PHY)   += teranetics.o
 obj-$(CONFIG_VITESSE_PHY)      += vitesse.o
+obj-$(CONFIG_BCM_NET_PHYLIB)   += bcm-phy-lib.o
 obj-$(CONFIG_BROADCOM_PHY)     += broadcom.o
 obj-$(CONFIG_BCM63XX_PHY)      += bcm63xx.o
 obj-$(CONFIG_BCM7XXX_PHY)      += bcm7xxx.o
diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c
new file mode 100644 (file)
index 0000000..dd79ea6
--- /dev/null
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2015 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "bcm-phy-lib.h"
+#include <linux/brcmphy.h>
+#include <linux/export.h>
+#include <linux/mdio.h>
+#include <linux/phy.h>
+
+#define MII_BCM_CHANNEL_WIDTH     0x2000
+#define BCM_CL45VEN_EEE_ADV       0x3c
+
+int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val)
+{
+       int rc;
+
+       rc = phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);
+       if (rc < 0)
+               return rc;
+
+       return phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_write_exp);
+
+int bcm_phy_read_exp(struct phy_device *phydev, u16 reg)
+{
+       int val;
+
+       val = phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);
+       if (val < 0)
+               return val;
+
+       val = phy_read(phydev, MII_BCM54XX_EXP_DATA);
+
+       /* Restore default value.  It's O.K. if this write fails. */
+       phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
+
+       return val;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_read_exp);
+
+int bcm_phy_write_misc(struct phy_device *phydev,
+                      u16 reg, u16 chl, u16 val)
+{
+       int rc;
+       int tmp;
+
+       rc = phy_write(phydev, MII_BCM54XX_AUX_CTL,
+                      MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
+       if (rc < 0)
+               return rc;
+
+       tmp = phy_read(phydev, MII_BCM54XX_AUX_CTL);
+       tmp |= MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA;
+       rc = phy_write(phydev, MII_BCM54XX_AUX_CTL, tmp);
+       if (rc < 0)
+               return rc;
+
+       tmp = (chl * MII_BCM_CHANNEL_WIDTH) | reg;
+       rc = bcm_phy_write_exp(phydev, tmp, val);
+
+       return rc;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_write_misc);
+
+int bcm_phy_read_misc(struct phy_device *phydev,
+                     u16 reg, u16 chl)
+{
+       int rc;
+       int tmp;
+
+       rc = phy_write(phydev, MII_BCM54XX_AUX_CTL,
+                      MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
+       if (rc < 0)
+               return rc;
+
+       tmp = phy_read(phydev, MII_BCM54XX_AUX_CTL);
+       tmp |= MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA;
+       rc = phy_write(phydev, MII_BCM54XX_AUX_CTL, tmp);
+       if (rc < 0)
+               return rc;
+
+       tmp = (chl * MII_BCM_CHANNEL_WIDTH) | reg;
+       rc = bcm_phy_read_exp(phydev, tmp);
+
+       return rc;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_read_misc);
+
+int bcm_phy_ack_intr(struct phy_device *phydev)
+{
+       int reg;
+
+       /* Clear pending interrupts.  */
+       reg = phy_read(phydev, MII_BCM54XX_ISR);
+       if (reg < 0)
+               return reg;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_ack_intr);
+
+int bcm_phy_config_intr(struct phy_device *phydev)
+{
+       int reg;
+
+       reg = phy_read(phydev, MII_BCM54XX_ECR);
+       if (reg < 0)
+               return reg;
+
+       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+               reg &= ~MII_BCM54XX_ECR_IM;
+       else
+               reg |= MII_BCM54XX_ECR_IM;
+
+       return phy_write(phydev, MII_BCM54XX_ECR, reg);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_config_intr);
+
+int bcm_phy_read_shadow(struct phy_device *phydev, u16 shadow)
+{
+       phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
+       return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
+}
+EXPORT_SYMBOL_GPL(bcm_phy_read_shadow);
+
+int bcm_phy_write_shadow(struct phy_device *phydev, u16 shadow,
+                        u16 val)
+{
+       return phy_write(phydev, MII_BCM54XX_SHD,
+                        MII_BCM54XX_SHD_WRITE |
+                        MII_BCM54XX_SHD_VAL(shadow) |
+                        MII_BCM54XX_SHD_DATA(val));
+}
+EXPORT_SYMBOL_GPL(bcm_phy_write_shadow);
+
+int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down)
+{
+       int val;
+
+       if (dll_pwr_down) {
+               val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR3);
+               if (val < 0)
+                       return val;
+
+               val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
+               bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR3, val);
+       }
+
+       val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);
+       if (val < 0)
+               return val;
+
+       /* Clear APD bits */
+       val &= BCM_APD_CLR_MASK;
+
+       if (phydev->autoneg == AUTONEG_ENABLE)
+               val |= BCM54XX_SHD_APD_EN;
+       else
+               val |= BCM_NO_ANEG_APD_EN;
+
+       /* Enable energy detect single link pulse for easy wakeup */
+       val |= BCM_APD_SINGLELP_EN;
+
+       /* Enable Auto Power-Down (APD) for the PHY */
+       return bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_enable_apd);
+
+int bcm_phy_enable_eee(struct phy_device *phydev)
+{
+       int val;
+
+       /* Enable EEE at PHY level */
+       val = phy_read_mmd_indirect(phydev, BRCM_CL45VEN_EEE_CONTROL,
+                                   MDIO_MMD_AN, phydev->addr);
+       if (val < 0)
+               return val;
+
+       val |= LPI_FEATURE_EN | LPI_FEATURE_EN_DIG1000X;
+
+       phy_write_mmd_indirect(phydev, BRCM_CL45VEN_EEE_CONTROL,
+                              MDIO_MMD_AN,  phydev->addr, (u32)val);
+
+       /* Advertise EEE */
+       val = phy_read_mmd_indirect(phydev, BCM_CL45VEN_EEE_ADV,
+                                   MDIO_MMD_AN, phydev->addr);
+       if (val < 0)
+               return val;
+
+       val |= (MDIO_AN_EEE_ADV_100TX | MDIO_AN_EEE_ADV_1000T);
+
+       phy_write_mmd_indirect(phydev, BCM_CL45VEN_EEE_ADV,
+                              MDIO_MMD_AN,  phydev->addr, (u32)val);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_enable_eee);
diff --git a/drivers/net/phy/bcm-phy-lib.h b/drivers/net/phy/bcm-phy-lib.h
new file mode 100644 (file)
index 0000000..b2091c8
--- /dev/null
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2015 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _LINUX_BCM_PHY_LIB_H
+#define _LINUX_BCM_PHY_LIB_H
+
+#include <linux/phy.h>
+
+int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val);
+int bcm_phy_read_exp(struct phy_device *phydev, u16 reg);
+
+int bcm_phy_write_misc(struct phy_device *phydev,
+                      u16 reg, u16 chl, u16 value);
+int bcm_phy_read_misc(struct phy_device *phydev,
+                     u16 reg, u16 chl);
+
+int bcm_phy_write_shadow(struct phy_device *phydev, u16 shadow,
+                        u16 val);
+int bcm_phy_read_shadow(struct phy_device *phydev, u16 shadow);
+
+int bcm_phy_ack_intr(struct phy_device *phydev);
+int bcm_phy_config_intr(struct phy_device *phydev);
+
+int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down);
+
+int bcm_phy_enable_eee(struct phy_device *phydev);
+#endif /* _LINUX_BCM_PHY_LIB_H */
index 830ec31f952f290c0b4f3b5e58186ce5924ce55a..86b28052bf06e4228674085edbc4eeb599276617 100644 (file)
@@ -6,6 +6,7 @@
  *     as published by the Free Software Foundation; either version
  *     2 of the License, or (at your option) any later version.
  */
+#include "bcm-phy-lib.h"
 #include <linux/module.h>
 #include <linux/phy.h>
 
@@ -42,35 +43,6 @@ static int bcm63xx_config_init(struct phy_device *phydev)
        return phy_write(phydev, MII_BCM63XX_IR, reg);
 }
 
-static int bcm63xx_ack_interrupt(struct phy_device *phydev)
-{
-       int reg;
-
-       /* Clear pending interrupts.  */
-       reg = phy_read(phydev, MII_BCM63XX_IR);
-       if (reg < 0)
-               return reg;
-
-       return 0;
-}
-
-static int bcm63xx_config_intr(struct phy_device *phydev)
-{
-       int reg, err;
-
-       reg = phy_read(phydev, MII_BCM63XX_IR);
-       if (reg < 0)
-               return reg;
-
-       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
-               reg &= ~MII_BCM63XX_IR_GMASK;
-       else
-               reg |= MII_BCM63XX_IR_GMASK;
-
-       err = phy_write(phydev, MII_BCM63XX_IR, reg);
-       return err;
-}
-
 static struct phy_driver bcm63xx_driver[] = {
 {
        .phy_id         = 0x00406000,
@@ -82,8 +54,8 @@ static struct phy_driver bcm63xx_driver[] = {
        .config_init    = bcm63xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm63xx_ack_interrupt,
-       .config_intr    = bcm63xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        /* same phy as above, with just a different OUI */
@@ -95,8 +67,8 @@ static struct phy_driver bcm63xx_driver[] = {
        .config_init    = bcm63xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm63xx_ack_interrupt,
-       .config_intr    = bcm63xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 } };
 
index 6b701b3ded749642b6cdf2309e7b25d2b373ed37..efa31a655eb179b69c273bf01c787ed93ab163c9 100644 (file)
 #include <linux/module.h>
 #include <linux/phy.h>
 #include <linux/delay.h>
+#include "bcm-phy-lib.h"
 #include <linux/bitops.h>
 #include <linux/brcmphy.h>
 #include <linux/mdio.h>
 
 /* Broadcom BCM7xxx internal PHY registers */
-#define MII_BCM7XXX_CHANNEL_WIDTH      0x2000
 
 /* 40nm only register definitions */
 #define MII_BCM7XXX_100TX_AUX_CTL      0x10
 
 #define CORE_EXPB0                     0xb0
 
-static void phy_write_exp(struct phy_device *phydev,
-                                       u16 reg, u16 value)
-{
-       phy_write(phydev, MII_BCM54XX_EXP_SEL, MII_BCM54XX_EXP_SEL_ER | reg);
-       phy_write(phydev, MII_BCM54XX_EXP_DATA, value);
-}
-
-static void phy_write_misc(struct phy_device *phydev,
-                                       u16 reg, u16 chl, u16 value)
-{
-       int tmp;
-
-       phy_write(phydev, MII_BCM54XX_AUX_CTL, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
-
-       tmp = phy_read(phydev, MII_BCM54XX_AUX_CTL);
-       tmp |= MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA;
-       phy_write(phydev, MII_BCM54XX_AUX_CTL, tmp);
-
-       tmp = (chl * MII_BCM7XXX_CHANNEL_WIDTH) | reg;
-       phy_write(phydev, MII_BCM54XX_EXP_SEL, tmp);
-
-       phy_write(phydev, MII_BCM54XX_EXP_DATA, value);
-}
-
 static void r_rc_cal_reset(struct phy_device *phydev)
 {
        /* Reset R_CAL/RC_CAL Engine */
-       phy_write_exp(phydev, 0x00b0, 0x0010);
+       bcm_phy_write_exp(phydev, 0x00b0, 0x0010);
 
        /* Disable Reset R_AL/RC_CAL Engine */
-       phy_write_exp(phydev, 0x00b0, 0x0000);
+       bcm_phy_write_exp(phydev, 0x00b0, 0x0000);
 }
 
 static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)
@@ -86,18 +62,18 @@ static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)
        /* Increase VCO range to prevent unlocking problem of PLL at low
         * temp
         */
-       phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048);
+       bcm_phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048);
 
        /* Change Ki to 011 */
-       phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b);
+       bcm_phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b);
 
        /* Disable loading of TVCO buffer to bandgap, set bandgap trim
         * to 111
         */
-       phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20);
+       bcm_phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20);
 
        /* Adjust bias current trim by -3 */
-       phy_write_misc(phydev, DSP_TAP10, 0x690b);
+       bcm_phy_write_misc(phydev, DSP_TAP10, 0x690b);
 
        /* Switch to CORE_BASE1E */
        phy_write(phydev, MII_BCM7XXX_CORE_BASE1E, 0xd);
@@ -105,19 +81,19 @@ static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)
        r_rc_cal_reset(phydev);
 
        /* write AFE_RXCONFIG_0 */
-       phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);
+       bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);
 
        /* write AFE_RXCONFIG_1 */
-       phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f);
+       bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f);
 
        /* write AFE_RX_LP_COUNTER */
-       phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
+       bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
 
        /* write AFE_HPF_TRIM_OTHERS */
-       phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b);
+       bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b);
 
        /* write AFTE_TX_CONFIG */
-       phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800);
+       bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800);
 
        return 0;
 }
@@ -125,36 +101,36 @@ static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)
 static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
 {
        /* AFE_RXCONFIG_0 */
-       phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb15);
+       bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb15);
 
        /* AFE_RXCONFIG_1 */
-       phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
+       bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
 
        /* AFE_RXCONFIG_2, set rCal offset for HT=0 code and LT=-2 code */
-       phy_write_misc(phydev, AFE_RXCONFIG_2, 0x2003);
+       bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0x2003);
 
        /* AFE_RX_LP_COUNTER, set RX bandwidth to maximum */
-       phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
+       bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
 
        /* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
-       phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
+       bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
 
        /* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
-       phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
+       bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
 
        /* AFE_VDAC_OTHERS_0, set 1000BT Cidac=010 for all ports */
-       phy_write_misc(phydev, AFE_VDAC_OTHERS_0, 0xa020);
+       bcm_phy_write_misc(phydev, AFE_VDAC_OTHERS_0, 0xa020);
 
        /* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
         * offset for HT=0 code
         */
-       phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
+       bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
 
        /* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
        phy_write(phydev, MII_BCM7XXX_CORE_BASE1E, 0x0010);
 
        /* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
-       phy_write_misc(phydev, DSP_TAP10, 0x011b);
+       bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
 
        /* Reset R_CAL/RC_CAL engine */
        r_rc_cal_reset(phydev);
@@ -165,24 +141,24 @@ static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
 static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev)
 {
        /* AFE_RXCONFIG_1, provide more margin for INL/DNL measurement */
-       phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
+       bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
 
        /* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
-       phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
+       bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
 
        /* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
-       phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
+       bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
 
        /* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
         * offset for HT=0 code
         */
-       phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
+       bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
 
        /* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
        phy_write(phydev, MII_BCM7XXX_CORE_BASE1E, 0x0010);
 
        /* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
-       phy_write_misc(phydev, DSP_TAP10, 0x011b);
+       bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
 
        /* Reset R_CAL/RC_CAL engine */
        r_rc_cal_reset(phydev);
@@ -190,53 +166,6 @@ static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev)
        return 0;
 }
 
-static int bcm7xxx_apd_enable(struct phy_device *phydev)
-{
-       int val;
-
-       /* Enable powering down of the DLL during auto-power down */
-       val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_SCR3);
-       if (val < 0)
-               return val;
-
-       val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
-       bcm54xx_shadow_write(phydev, BCM54XX_SHD_SCR3, val);
-
-       /* Enable auto-power down */
-       val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_APD);
-       if (val < 0)
-               return val;
-
-       val |= BCM54XX_SHD_APD_EN;
-       return bcm54xx_shadow_write(phydev, BCM54XX_SHD_APD, val);
-}
-
-static int bcm7xxx_eee_enable(struct phy_device *phydev)
-{
-       int val;
-
-       val = phy_read_mmd_indirect(phydev, BRCM_CL45VEN_EEE_CONTROL,
-                                   MDIO_MMD_AN, phydev->addr);
-       if (val < 0)
-               return val;
-
-       /* Enable general EEE feature at the PHY level */
-       val |= LPI_FEATURE_EN | LPI_FEATURE_EN_DIG1000X;
-
-       phy_write_mmd_indirect(phydev, BRCM_CL45VEN_EEE_CONTROL,
-                              MDIO_MMD_AN, phydev->addr, val);
-
-       /* Advertise supported modes */
-       val = phy_read_mmd_indirect(phydev, MDIO_AN_EEE_ADV,
-                                   MDIO_MMD_AN, phydev->addr);
-
-       val |= (MDIO_AN_EEE_ADV_100TX | MDIO_AN_EEE_ADV_1000T);
-       phy_write_mmd_indirect(phydev, MDIO_AN_EEE_ADV,
-                              MDIO_MMD_AN, phydev->addr, val);
-
-       return 0;
-}
-
 static int bcm7xxx_28nm_config_init(struct phy_device *phydev)
 {
        u8 rev = PHY_BRCM_7XXX_REV(phydev->dev_flags);
@@ -273,11 +202,11 @@ static int bcm7xxx_28nm_config_init(struct phy_device *phydev)
        if (ret)
                return ret;
 
-       ret = bcm7xxx_eee_enable(phydev);
+       ret = bcm_phy_enable_eee(phydev);
        if (ret)
                return ret;
 
-       return bcm7xxx_apd_enable(phydev);
+       return bcm_phy_enable_apd(phydev, true);
 }
 
 static int bcm7xxx_28nm_resume(struct phy_device *phydev)
index 9c71295f2fefb5789693370c649c7ca9ceb34d92..07a6119121c38922aa50b3241e95d4604435a051 100644 (file)
@@ -14,6 +14,7 @@
  *     2 of the License, or (at your option) any later version.
  */
 
+#include "bcm-phy-lib.h"
 #include <linux/module.h>
 #include <linux/phy.h>
 #include <linux/brcmphy.h>
@@ -29,39 +30,6 @@ MODULE_DESCRIPTION("Broadcom PHY driver");
 MODULE_AUTHOR("Maciej W. Rozycki");
 MODULE_LICENSE("GPL");
 
-/* Indirect register access functions for the Expansion Registers */
-static int bcm54xx_exp_read(struct phy_device *phydev, u16 regnum)
-{
-       int val;
-
-       val = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
-       if (val < 0)
-               return val;
-
-       val = phy_read(phydev, MII_BCM54XX_EXP_DATA);
-
-       /* Restore default value.  It's O.K. if this write fails. */
-       phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
-
-       return val;
-}
-
-static int bcm54xx_exp_write(struct phy_device *phydev, u16 regnum, u16 val)
-{
-       int ret;
-
-       ret = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
-       if (ret < 0)
-               return ret;
-
-       ret = phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
-
-       /* Restore default value.  It's O.K. if this write fails. */
-       phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
-
-       return ret;
-}
-
 static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)
 {
        return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);
@@ -72,28 +40,28 @@ static int bcm50610_a0_workaround(struct phy_device *phydev)
 {
        int err;
 
-       err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
+       err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH0,
                                MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
                                MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
        if (err < 0)
                return err;
 
-       err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3,
-                                       MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
+       err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH3,
+                               MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
        if (err < 0)
                return err;
 
-       err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75,
+       err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75,
                                MII_BCM54XX_EXP_EXP75_VDACCTRL);
        if (err < 0)
                return err;
 
-       err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96,
+       err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP96,
                                MII_BCM54XX_EXP_EXP96_MYST);
        if (err < 0)
                return err;
 
-       err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97,
+       err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP97,
                                MII_BCM54XX_EXP_EXP97_MYST);
 
        return err;
@@ -114,7 +82,7 @@ static int bcm54xx_phydsp_config(struct phy_device *phydev)
        if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
            BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) {
                /* Clear bit 9 to fix a phy interop issue. */
-               err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
+               err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP08,
                                        MII_BCM54XX_EXP_EXP08_RJCT_2MHZ);
                if (err < 0)
                        goto error;
@@ -129,12 +97,12 @@ static int bcm54xx_phydsp_config(struct phy_device *phydev)
        if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
                int val;
 
-               val = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
+               val = bcm_phy_read_exp(phydev, MII_BCM54XX_EXP_EXP75);
                if (val < 0)
                        goto error;
 
                val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
-               err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, val);
+               err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75, val);
        }
 
 error:
@@ -159,7 +127,7 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
            BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M)
                return;
 
-       val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_SCR3);
+       val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR3);
        if (val < 0)
                return;
 
@@ -190,9 +158,9 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
                val |= BCM54XX_SHD_SCR3_TRDDAPD;
 
        if (orig != val)
-               bcm54xx_shadow_write(phydev, BCM54XX_SHD_SCR3, val);
+               bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR3, val);
 
-       val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_APD);
+       val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);
        if (val < 0)
                return;
 
@@ -204,7 +172,7 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
                val &= ~BCM54XX_SHD_APD_EN;
 
        if (orig != val)
-               bcm54xx_shadow_write(phydev, BCM54XX_SHD_APD, val);
+               bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);
 }
 
 static int bcm54xx_config_init(struct phy_device *phydev)
@@ -232,7 +200,7 @@ static int bcm54xx_config_init(struct phy_device *phydev)
        if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
             BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
            (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
-               bcm54xx_shadow_write(phydev, BCM54XX_SHD_RGMII_MODE, 0);
+               bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0);
 
        if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) ||
            (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) ||
@@ -254,8 +222,8 @@ static int bcm5482_config_init(struct phy_device *phydev)
                /*
                 * Enable secondary SerDes and its use as an LED source
                 */
-               reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_SSD);
-               bcm54xx_shadow_write(phydev, BCM5482_SHD_SSD,
+               reg = bcm_phy_read_shadow(phydev, BCM5482_SHD_SSD);
+               bcm_phy_write_shadow(phydev, BCM5482_SHD_SSD,
                                     reg |
                                     BCM5482_SHD_SSD_LEDM |
                                     BCM5482_SHD_SSD_EN);
@@ -264,10 +232,10 @@ static int bcm5482_config_init(struct phy_device *phydev)
                 * Enable SGMII slave mode and auto-detection
                 */
                reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD;
-               err = bcm54xx_exp_read(phydev, reg);
+               err = bcm_phy_read_exp(phydev, reg);
                if (err < 0)
                        return err;
-               err = bcm54xx_exp_write(phydev, reg, err |
+               err = bcm_phy_write_exp(phydev, reg, err |
                                        BCM5482_SSD_SGMII_SLAVE_EN |
                                        BCM5482_SSD_SGMII_SLAVE_AD);
                if (err < 0)
@@ -277,10 +245,10 @@ static int bcm5482_config_init(struct phy_device *phydev)
                 * Disable secondary SerDes powerdown
                 */
                reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD;
-               err = bcm54xx_exp_read(phydev, reg);
+               err = bcm_phy_read_exp(phydev, reg);
                if (err < 0)
                        return err;
-               err = bcm54xx_exp_write(phydev, reg,
+               err = bcm_phy_write_exp(phydev, reg,
                                        err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN);
                if (err < 0)
                        return err;
@@ -288,15 +256,15 @@ static int bcm5482_config_init(struct phy_device *phydev)
                /*
                 * Select 1000BASE-X register set (primary SerDes)
                 */
-               reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_MODE);
-               bcm54xx_shadow_write(phydev, BCM5482_SHD_MODE,
+               reg = bcm_phy_read_shadow(phydev, BCM5482_SHD_MODE);
+               bcm_phy_write_shadow(phydev, BCM5482_SHD_MODE,
                                     reg | BCM5482_SHD_MODE_1000BX);
 
                /*
                 * LED1=ACTIVITYLED, LED3=LINKSPD[2]
                 * (Use LED1 as secondary SerDes ACTIVITY LED)
                 */
-               bcm54xx_shadow_write(phydev, BCM5482_SHD_LEDS1,
+               bcm_phy_write_shadow(phydev, BCM5482_SHD_LEDS1,
                        BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) |
                        BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2));
 
@@ -334,35 +302,6 @@ static int bcm5482_read_status(struct phy_device *phydev)
        return err;
 }
 
-static int bcm54xx_ack_interrupt(struct phy_device *phydev)
-{
-       int reg;
-
-       /* Clear pending interrupts.  */
-       reg = phy_read(phydev, MII_BCM54XX_ISR);
-       if (reg < 0)
-               return reg;
-
-       return 0;
-}
-
-static int bcm54xx_config_intr(struct phy_device *phydev)
-{
-       int reg, err;
-
-       reg = phy_read(phydev, MII_BCM54XX_ECR);
-       if (reg < 0)
-               return reg;
-
-       if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
-               reg &= ~MII_BCM54XX_ECR_IM;
-       else
-               reg |= MII_BCM54XX_ECR_IM;
-
-       err = phy_write(phydev, MII_BCM54XX_ECR, reg);
-       return err;
-}
-
 static int bcm5481_config_aneg(struct phy_device *phydev)
 {
        int ret;
@@ -519,8 +458,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM5421,
@@ -532,8 +471,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM5461,
@@ -545,8 +484,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM54616S,
@@ -558,8 +497,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM5464,
@@ -571,8 +510,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM5481,
@@ -584,8 +523,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = bcm5481_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM5482,
@@ -597,8 +536,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm5482_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = bcm5482_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM50610,
@@ -610,8 +549,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM50610M,
@@ -623,8 +562,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCM57780,
@@ -636,8 +575,8 @@ static struct phy_driver broadcom_drivers[] = {
        .config_init    = bcm54xx_config_init,
        .config_aneg    = genphy_config_aneg,
        .read_status    = genphy_read_status,
-       .ack_interrupt  = bcm54xx_ack_interrupt,
-       .config_intr    = bcm54xx_config_intr,
+       .ack_interrupt  = bcm_phy_ack_intr,
+       .config_intr    = bcm_phy_config_intr,
        .driver         = { .owner = THIS_MODULE },
 }, {
        .phy_id         = PHY_ID_BCMAC131,
index 697ca7795bd9db6f2ac4fabdce77dc5bbc98f01b..6a53ab91407c3db4522b1afef7baf1d3ba8f5e42 100644 (file)
 
 /* 01010: Auto Power-Down */
 #define BCM54XX_SHD_APD                        0x0a
+#define  BCM_APD_CLR_MASK              0xFE9F /* clear bits 5, 6 & 8 */
 #define  BCM54XX_SHD_APD_EN            0x0020
+#define  BCM_NO_ANEG_APD_EN            0x0060 /* bits 5 & 6 */
+#define  BCM_APD_SINGLELP_EN   0x0100 /* Bit 8 */
 
 #define BCM5482_SHD_LEDS1      0x0d    /* 01101: LED Selector 1 */
                                        /* LED3 / ~LINKSPD[2] selector */
 #define MII_BRCM_FET_SHDW_AUXSTAT2     0x1b    /* Auxiliary status 2 */
 #define MII_BRCM_FET_SHDW_AS2_APDE     0x0020  /* Auto power down enable */
 
-/*
- * Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
- * 0x1c shadow registers.
- */
-static inline int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow)
-{
-       phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
-       return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
-}
-
-static inline int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow,
-                                      u16 val)
-{
-       return phy_write(phydev, MII_BCM54XX_SHD,
-                        MII_BCM54XX_SHD_WRITE |
-                        MII_BCM54XX_SHD_VAL(shadow) |
-                        MII_BCM54XX_SHD_DATA(val));
-}
-
 #define BRCM_CL45VEN_EEE_CONTROL       0x803d
 #define LPI_FEATURE_EN                 0x8000
 #define LPI_FEATURE_EN_DIG1000X                0x4000