| /* | |
| * Copyright (C) 2012 Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> | |
| * Copyright (C) 2016 Hauke Mehrtens <hauke@hauke-m.de> | |
| * | |
| * 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; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| */ | |
| #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 | |
| #define PHY_ID_PHY11G_VR9 0xD565A409 | |
| #define PHY_ID_PHY22F_VR9 0xD565A419 | |
| 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); | |
| 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); | |
| /** | |
| * 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; | |
| 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); | |
| 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", | |
| .features = PHY_GBIT_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = xway_gphy14_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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", | |
| .features = PHY_BASIC_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = xway_gphy14_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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", | |
| .features = PHY_GBIT_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = xway_gphy14_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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", | |
| .features = PHY_BASIC_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = xway_gphy14_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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", | |
| .features = PHY_GBIT_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = genphy_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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", | |
| .features = PHY_BASIC_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = genphy_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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_VR9, | |
| .phy_id_mask = 0xffffffff, | |
| .name = "Intel XWAY PHY11G (xRX integrated)", | |
| .features = PHY_GBIT_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = genphy_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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, | |
| .phy_id_mask = 0xffffffff, | |
| .name = "Intel XWAY PHY22F (xRX integrated)", | |
| .features = PHY_BASIC_FEATURES, | |
| .flags = PHY_HAS_INTERRUPT, | |
| .config_init = xway_gphy_config_init, | |
| .config_aneg = genphy_config_aneg, | |
| .read_status = genphy_read_status, | |
| .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 }, | |
| { PHY_ID_PHY11G_VR9, 0xffffffff }, | |
| { PHY_ID_PHY22F_VR9, 0xffffffff }, | |
| { } | |
| }; | |
| MODULE_DEVICE_TABLE(mdio, xway_gphy_tbl); | |
| MODULE_DESCRIPTION("Intel XWAY PHY driver"); | |
| MODULE_LICENSE("GPL"); |