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// SPDX-License-Identifier: GPL-2.0+
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/*
* Copyright ( C ) 2012 Daniel Schwierzeck < daniel . schwierzeck @ googlemail . com >
* Copyright ( C ) 2016 Hauke Mehrtens < hauke @ hauke - m . de >
*/
# include <linux/mdio.h>
# include <linux/module.h>
# include <linux/phy.h>
# include <linux/of.h>
# define XWAY_MDIO_IMASK 0x19 /* interrupt mask */
# define XWAY_MDIO_ISTAT 0x1A /* interrupt status */
# define XWAY_MDIO_INIT_WOL BIT(15) /* Wake-On-LAN */
# define XWAY_MDIO_INIT_MSRE BIT(14)
# define XWAY_MDIO_INIT_NPRX BIT(13)
# define XWAY_MDIO_INIT_NPTX BIT(12)
# define XWAY_MDIO_INIT_ANE BIT(11) /* Auto-Neg error */
# define XWAY_MDIO_INIT_ANC BIT(10) /* Auto-Neg complete */
# define XWAY_MDIO_INIT_ADSC BIT(5) /* Link auto-downspeed detect */
# define XWAY_MDIO_INIT_MPIPC BIT(4)
# define XWAY_MDIO_INIT_MDIXC BIT(3)
# define XWAY_MDIO_INIT_DXMC BIT(2) /* Duplex mode change */
# define XWAY_MDIO_INIT_LSPC BIT(1) /* Link speed change */
# define XWAY_MDIO_INIT_LSTC BIT(0) /* Link state change */
# define XWAY_MDIO_INIT_MASK (XWAY_MDIO_INIT_LSTC | \
XWAY_MDIO_INIT_ADSC )
# define ADVERTISED_MPD BIT(10) /* Multi-port device */
/* LED Configuration */
# define XWAY_MMD_LEDCH 0x01E0
/* Inverse of SCAN Function */
# define XWAY_MMD_LEDCH_NACS_NONE 0x0000
# define XWAY_MMD_LEDCH_NACS_LINK 0x0001
# define XWAY_MMD_LEDCH_NACS_PDOWN 0x0002
# define XWAY_MMD_LEDCH_NACS_EEE 0x0003
# define XWAY_MMD_LEDCH_NACS_ANEG 0x0004
# define XWAY_MMD_LEDCH_NACS_ABIST 0x0005
# define XWAY_MMD_LEDCH_NACS_CDIAG 0x0006
# define XWAY_MMD_LEDCH_NACS_TEST 0x0007
/* Slow Blink Frequency */
# define XWAY_MMD_LEDCH_SBF_F02HZ 0x0000
# define XWAY_MMD_LEDCH_SBF_F04HZ 0x0010
# define XWAY_MMD_LEDCH_SBF_F08HZ 0x0020
# define XWAY_MMD_LEDCH_SBF_F16HZ 0x0030
/* Fast Blink Frequency */
# define XWAY_MMD_LEDCH_FBF_F02HZ 0x0000
# define XWAY_MMD_LEDCH_FBF_F04HZ 0x0040
# define XWAY_MMD_LEDCH_FBF_F08HZ 0x0080
# define XWAY_MMD_LEDCH_FBF_F16HZ 0x00C0
/* LED Configuration */
# define XWAY_MMD_LEDCL 0x01E1
/* Complex Blinking Configuration */
# define XWAY_MMD_LEDCH_CBLINK_NONE 0x0000
# define XWAY_MMD_LEDCH_CBLINK_LINK 0x0001
# define XWAY_MMD_LEDCH_CBLINK_PDOWN 0x0002
# define XWAY_MMD_LEDCH_CBLINK_EEE 0x0003
# define XWAY_MMD_LEDCH_CBLINK_ANEG 0x0004
# define XWAY_MMD_LEDCH_CBLINK_ABIST 0x0005
# define XWAY_MMD_LEDCH_CBLINK_CDIAG 0x0006
# define XWAY_MMD_LEDCH_CBLINK_TEST 0x0007
/* Complex SCAN Configuration */
# define XWAY_MMD_LEDCH_SCAN_NONE 0x0000
# define XWAY_MMD_LEDCH_SCAN_LINK 0x0010
# define XWAY_MMD_LEDCH_SCAN_PDOWN 0x0020
# define XWAY_MMD_LEDCH_SCAN_EEE 0x0030
# define XWAY_MMD_LEDCH_SCAN_ANEG 0x0040
# define XWAY_MMD_LEDCH_SCAN_ABIST 0x0050
# define XWAY_MMD_LEDCH_SCAN_CDIAG 0x0060
# define XWAY_MMD_LEDCH_SCAN_TEST 0x0070
/* Configuration for LED Pin x */
# define XWAY_MMD_LED0H 0x01E2
/* Fast Blinking Configuration */
# define XWAY_MMD_LEDxH_BLINKF_MASK 0x000F
# define XWAY_MMD_LEDxH_BLINKF_NONE 0x0000
# define XWAY_MMD_LEDxH_BLINKF_LINK10 0x0001
# define XWAY_MMD_LEDxH_BLINKF_LINK100 0x0002
# define XWAY_MMD_LEDxH_BLINKF_LINK10X 0x0003
# define XWAY_MMD_LEDxH_BLINKF_LINK1000 0x0004
# define XWAY_MMD_LEDxH_BLINKF_LINK10_0 0x0005
# define XWAY_MMD_LEDxH_BLINKF_LINK100X 0x0006
# define XWAY_MMD_LEDxH_BLINKF_LINK10XX 0x0007
# define XWAY_MMD_LEDxH_BLINKF_PDOWN 0x0008
# define XWAY_MMD_LEDxH_BLINKF_EEE 0x0009
# define XWAY_MMD_LEDxH_BLINKF_ANEG 0x000A
# define XWAY_MMD_LEDxH_BLINKF_ABIST 0x000B
# define XWAY_MMD_LEDxH_BLINKF_CDIAG 0x000C
/* Constant On Configuration */
# define XWAY_MMD_LEDxH_CON_MASK 0x00F0
# define XWAY_MMD_LEDxH_CON_NONE 0x0000
# define XWAY_MMD_LEDxH_CON_LINK10 0x0010
# define XWAY_MMD_LEDxH_CON_LINK100 0x0020
# define XWAY_MMD_LEDxH_CON_LINK10X 0x0030
# define XWAY_MMD_LEDxH_CON_LINK1000 0x0040
# define XWAY_MMD_LEDxH_CON_LINK10_0 0x0050
# define XWAY_MMD_LEDxH_CON_LINK100X 0x0060
# define XWAY_MMD_LEDxH_CON_LINK10XX 0x0070
# define XWAY_MMD_LEDxH_CON_PDOWN 0x0080
# define XWAY_MMD_LEDxH_CON_EEE 0x0090
# define XWAY_MMD_LEDxH_CON_ANEG 0x00A0
# define XWAY_MMD_LEDxH_CON_ABIST 0x00B0
# define XWAY_MMD_LEDxH_CON_CDIAG 0x00C0
# define XWAY_MMD_LEDxH_CON_COPPER 0x00D0
# define XWAY_MMD_LEDxH_CON_FIBER 0x00E0
/* Configuration for LED Pin x */
# define XWAY_MMD_LED0L 0x01E3
/* Pulsing Configuration */
# define XWAY_MMD_LEDxL_PULSE_MASK 0x000F
# define XWAY_MMD_LEDxL_PULSE_NONE 0x0000
# define XWAY_MMD_LEDxL_PULSE_TXACT 0x0001
# define XWAY_MMD_LEDxL_PULSE_RXACT 0x0002
# define XWAY_MMD_LEDxL_PULSE_COL 0x0004
/* Slow Blinking Configuration */
# define XWAY_MMD_LEDxL_BLINKS_MASK 0x00F0
# define XWAY_MMD_LEDxL_BLINKS_NONE 0x0000
# define XWAY_MMD_LEDxL_BLINKS_LINK10 0x0010
# define XWAY_MMD_LEDxL_BLINKS_LINK100 0x0020
# define XWAY_MMD_LEDxL_BLINKS_LINK10X 0x0030
# define XWAY_MMD_LEDxL_BLINKS_LINK1000 0x0040
# define XWAY_MMD_LEDxL_BLINKS_LINK10_0 0x0050
# define XWAY_MMD_LEDxL_BLINKS_LINK100X 0x0060
# define XWAY_MMD_LEDxL_BLINKS_LINK10XX 0x0070
# define XWAY_MMD_LEDxL_BLINKS_PDOWN 0x0080
# define XWAY_MMD_LEDxL_BLINKS_EEE 0x0090
# define XWAY_MMD_LEDxL_BLINKS_ANEG 0x00A0
# define XWAY_MMD_LEDxL_BLINKS_ABIST 0x00B0
# define XWAY_MMD_LEDxL_BLINKS_CDIAG 0x00C0
# define XWAY_MMD_LED1H 0x01E4
# define XWAY_MMD_LED1L 0x01E5
# define XWAY_MMD_LED2H 0x01E6
# define XWAY_MMD_LED2L 0x01E7
# define XWAY_MMD_LED3H 0x01E8
# define XWAY_MMD_LED3L 0x01E9
# define PHY_ID_PHY11G_1_3 0x030260D1
# define PHY_ID_PHY22F_1_3 0x030260E1
# define PHY_ID_PHY11G_1_4 0xD565A400
# define PHY_ID_PHY22F_1_4 0xD565A410
# define PHY_ID_PHY11G_1_5 0xD565A401
# define PHY_ID_PHY22F_1_5 0xD565A411
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# define PHY_ID_PHY11G_VR9_1_1 0xD565A408
# define PHY_ID_PHY22F_VR9_1_1 0xD565A418
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# define PHY_ID_PHY11G_VR9_1_2 0xD565A409
# define PHY_ID_PHY22F_VR9_1_2 0xD565A419
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static int xway_gphy_config_init ( struct phy_device * phydev )
{
int err ;
u32 ledxh ;
u32 ledxl ;
/* Mask all interrupts */
err = phy_write ( phydev , XWAY_MDIO_IMASK , 0 ) ;
if ( err )
return err ;
/* Clear all pending interrupts */
phy_read ( phydev , XWAY_MDIO_ISTAT ) ;
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phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LEDCH ,
XWAY_MMD_LEDCH_NACS_NONE |
XWAY_MMD_LEDCH_SBF_F02HZ |
XWAY_MMD_LEDCH_FBF_F16HZ ) ;
phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LEDCL ,
XWAY_MMD_LEDCH_CBLINK_NONE |
XWAY_MMD_LEDCH_SCAN_NONE ) ;
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/**
* In most cases only one LED is connected to this phy , so
* configure them all to constant on and pulse mode . LED3 is
* only available in some packages , leave it in its reset
* configuration .
*/
ledxh = XWAY_MMD_LEDxH_BLINKF_NONE | XWAY_MMD_LEDxH_CON_LINK10XX ;
ledxl = XWAY_MMD_LEDxL_PULSE_TXACT | XWAY_MMD_LEDxL_PULSE_RXACT |
XWAY_MMD_LEDxL_BLINKS_NONE ;
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phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LED0H , ledxh ) ;
phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LED0L , ledxl ) ;
phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LED1H , ledxh ) ;
phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LED1L , ledxl ) ;
phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LED2H , ledxh ) ;
phy_write_mmd ( phydev , MDIO_MMD_VEND2 , XWAY_MMD_LED2L , ledxl ) ;
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return 0 ;
}
static int xway_gphy14_config_aneg ( struct phy_device * phydev )
{
int reg , err ;
/* Advertise as multi-port device, see IEEE802.3-2002 40.5.1.1 */
/* This is a workaround for an errata in rev < 1.5 devices */
reg = phy_read ( phydev , MII_CTRL1000 ) ;
reg | = ADVERTISED_MPD ;
err = phy_write ( phydev , MII_CTRL1000 , reg ) ;
if ( err )
return err ;
return genphy_config_aneg ( phydev ) ;
}
static int xway_gphy_ack_interrupt ( struct phy_device * phydev )
{
int reg ;
reg = phy_read ( phydev , XWAY_MDIO_ISTAT ) ;
return ( reg < 0 ) ? reg : 0 ;
}
static int xway_gphy_did_interrupt ( struct phy_device * phydev )
{
int reg ;
reg = phy_read ( phydev , XWAY_MDIO_ISTAT ) ;
return reg & XWAY_MDIO_INIT_MASK ;
}
static int xway_gphy_config_intr ( struct phy_device * phydev )
{
u16 mask = 0 ;
if ( phydev - > interrupts = = PHY_INTERRUPT_ENABLED )
mask = XWAY_MDIO_INIT_MASK ;
return phy_write ( phydev , XWAY_MDIO_IMASK , mask ) ;
}
static struct phy_driver xway_gphy [ ] = {
{
. phy_id = PHY_ID_PHY11G_1_3 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.3 " ,
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/* PHY_GBIT_FEATURES */
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. config_init = xway_gphy_config_init ,
. config_aneg = xway_gphy14_config_aneg ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} , {
. phy_id = PHY_ID_PHY22F_1_3 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY22F (PEF 7061) v1.3 " ,
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/* PHY_BASIC_FEATURES */
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. config_init = xway_gphy_config_init ,
. config_aneg = xway_gphy14_config_aneg ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} , {
. phy_id = PHY_ID_PHY11G_1_4 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4 " ,
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/* PHY_GBIT_FEATURES */
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. config_init = xway_gphy_config_init ,
. config_aneg = xway_gphy14_config_aneg ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} , {
. phy_id = PHY_ID_PHY22F_1_4 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY22F (PEF 7061) v1.4 " ,
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/* PHY_BASIC_FEATURES */
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. config_init = xway_gphy_config_init ,
. config_aneg = xway_gphy14_config_aneg ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} , {
. phy_id = PHY_ID_PHY11G_1_5 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.5 / v1.6 " ,
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/* PHY_GBIT_FEATURES */
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. config_init = xway_gphy_config_init ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} , {
. phy_id = PHY_ID_PHY22F_1_5 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY22F (PEF 7061) v1.5 / v1.6 " ,
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/* PHY_BASIC_FEATURES */
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. config_init = xway_gphy_config_init ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
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} , {
. phy_id = PHY_ID_PHY11G_VR9_1_1 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY11G (xRX v1.1 integrated) " ,
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/* PHY_GBIT_FEATURES */
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. config_init = xway_gphy_config_init ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} , {
. phy_id = PHY_ID_PHY22F_VR9_1_1 ,
. phy_id_mask = 0xffffffff ,
. name = " Intel XWAY PHY22F (xRX v1.1 integrated) " ,
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/* PHY_BASIC_FEATURES */
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. config_init = xway_gphy_config_init ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
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} , {
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. phy_id = PHY_ID_PHY11G_VR9_1_2 ,
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. phy_id_mask = 0xffffffff ,
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. name = " Intel XWAY PHY11G (xRX v1.2 integrated) " ,
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/* PHY_GBIT_FEATURES */
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. config_init = xway_gphy_config_init ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} , {
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. phy_id = PHY_ID_PHY22F_VR9_1_2 ,
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. phy_id_mask = 0xffffffff ,
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. name = " Intel XWAY PHY22F (xRX v1.2 integrated) " ,
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/* PHY_BASIC_FEATURES */
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. config_init = xway_gphy_config_init ,
. ack_interrupt = xway_gphy_ack_interrupt ,
. did_interrupt = xway_gphy_did_interrupt ,
. config_intr = xway_gphy_config_intr ,
. suspend = genphy_suspend ,
. resume = genphy_resume ,
} ,
} ;
module_phy_driver ( xway_gphy ) ;
static struct mdio_device_id __maybe_unused xway_gphy_tbl [ ] = {
{ PHY_ID_PHY11G_1_3 , 0xffffffff } ,
{ PHY_ID_PHY22F_1_3 , 0xffffffff } ,
{ PHY_ID_PHY11G_1_4 , 0xffffffff } ,
{ PHY_ID_PHY22F_1_4 , 0xffffffff } ,
{ PHY_ID_PHY11G_1_5 , 0xffffffff } ,
{ PHY_ID_PHY22F_1_5 , 0xffffffff } ,
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{ PHY_ID_PHY11G_VR9_1_1 , 0xffffffff } ,
{ PHY_ID_PHY22F_VR9_1_1 , 0xffffffff } ,
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{ PHY_ID_PHY11G_VR9_1_2 , 0xffffffff } ,
{ PHY_ID_PHY22F_VR9_1_2 , 0xffffffff } ,
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{ }
} ;
MODULE_DEVICE_TABLE ( mdio , xway_gphy_tbl ) ;
MODULE_DESCRIPTION ( " Intel XWAY PHY driver " ) ;
MODULE_LICENSE ( " GPL " ) ;