/* * AMD 10Gb Ethernet driver * * This file is available to you under your choice of the following two * licenses: * * License 1: GPLv2 * * Copyright (c) 2016 Advanced Micro Devices, Inc. * * This file is free software; you may copy, redistribute 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 file 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * This file incorporates work covered by the following copyright and * permission notice: * The Synopsys DWC ETHER XGMAC Software Driver and documentation * (hereinafter "Software") is an unsupported proprietary work of Synopsys, * Inc. unless otherwise expressly agreed to in writing between Synopsys * and you. * * The Software IS NOT an item of Licensed Software or Licensed Product * under any End User Software License Agreement or Agreement for Licensed * Product with Synopsys or any supplement thereto. Permission is hereby * granted, free of charge, to any person obtaining a copy of this software * annotated with this license and the Software, to deal in the Software * without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * * License 2: Modified BSD * * Copyright (c) 2016 Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Advanced Micro Devices, Inc. nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This file incorporates work covered by the following copyright and * permission notice: * The Synopsys DWC ETHER XGMAC Software Driver and documentation * (hereinafter "Software") is an unsupported proprietary work of Synopsys, * Inc. unless otherwise expressly agreed to in writing between Synopsys * and you. * * The Software IS NOT an item of Licensed Software or Licensed Product * under any End User Software License Agreement or Agreement for Licensed * Product with Synopsys or any supplement thereto. Permission is hereby * granted, free of charge, to any person obtaining a copy of this software * annotated with this license and the Software, to deal in the Software * without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include <linux/module.h> #include <linux/device.h> #include <linux/kmod.h> #include <linux/mdio.h> #include <linux/phy.h> #include <linux/ethtool.h> #include "xgbe.h" #include "xgbe-common.h" #define XGBE_PHY_PORT_SPEED_10 … #define XGBE_PHY_PORT_SPEED_100 … #define XGBE_PHY_PORT_SPEED_1000 … #define XGBE_PHY_PORT_SPEED_2500 … #define XGBE_PHY_PORT_SPEED_10000 … #define XGBE_MUTEX_RELEASE … #define XGBE_SFP_DIRECT … /* I2C target addresses */ #define XGBE_SFP_SERIAL_ID_ADDRESS … #define XGBE_SFP_DIAG_INFO_ADDRESS … #define XGBE_SFP_PHY_ADDRESS … #define XGBE_GPIO_ADDRESS_PCA9555 … /* SFP sideband signal indicators */ #define XGBE_GPIO_NO_TX_FAULT … #define XGBE_GPIO_NO_RATE_SELECT … #define XGBE_GPIO_NO_MOD_ABSENT … #define XGBE_GPIO_NO_RX_LOS … /* Rate-change complete wait/retry count */ #define XGBE_RATECHANGE_COUNT … /* CDR delay values for KR support (in usec) */ #define XGBE_CDR_DELAY_INIT … #define XGBE_CDR_DELAY_INC … #define XGBE_CDR_DELAY_MAX … /* RRC frequency during link status check */ #define XGBE_RRC_FREQUENCY … enum xgbe_port_mode { … }; enum xgbe_conn_type { … }; /* SFP/SFP+ related definitions */ enum xgbe_sfp_comm { … }; enum xgbe_sfp_cable { … }; enum xgbe_sfp_base { … }; enum xgbe_sfp_speed { … }; /* SFP Serial ID Base ID values relative to an offset of 0 */ #define XGBE_SFP_BASE_ID … #define XGBE_SFP_ID_SFP … #define XGBE_SFP_BASE_EXT_ID … #define XGBE_SFP_EXT_ID_SFP … #define XGBE_SFP_BASE_10GBE_CC … #define XGBE_SFP_BASE_10GBE_CC_SR … #define XGBE_SFP_BASE_10GBE_CC_LR … #define XGBE_SFP_BASE_10GBE_CC_LRM … #define XGBE_SFP_BASE_10GBE_CC_ER … #define XGBE_SFP_BASE_1GBE_CC … #define XGBE_SFP_BASE_1GBE_CC_SX … #define XGBE_SFP_BASE_1GBE_CC_LX … #define XGBE_SFP_BASE_1GBE_CC_CX … #define XGBE_SFP_BASE_1GBE_CC_T … #define XGBE_SFP_BASE_CABLE … #define XGBE_SFP_BASE_CABLE_PASSIVE … #define XGBE_SFP_BASE_CABLE_ACTIVE … #define XGBE_SFP_BASE_BR … #define XGBE_SFP_BASE_BR_1GBE_MIN … #define XGBE_SFP_BASE_BR_10GBE_MIN … #define XGBE_SFP_BASE_CU_CABLE_LEN … #define XGBE_SFP_BASE_VENDOR_NAME … #define XGBE_SFP_BASE_VENDOR_NAME_LEN … #define XGBE_SFP_BASE_VENDOR_PN … #define XGBE_SFP_BASE_VENDOR_PN_LEN … #define XGBE_SFP_BASE_VENDOR_REV … #define XGBE_SFP_BASE_VENDOR_REV_LEN … #define XGBE_SFP_BASE_CC … /* SFP Serial ID Extended ID values relative to an offset of 64 */ #define XGBE_SFP_BASE_VENDOR_SN … #define XGBE_SFP_BASE_VENDOR_SN_LEN … #define XGBE_SFP_EXTD_OPT1 … #define XGBE_SFP_EXTD_OPT1_RX_LOS … #define XGBE_SFP_EXTD_OPT1_TX_FAULT … #define XGBE_SFP_EXTD_DIAG … #define XGBE_SFP_EXTD_DIAG_ADDR_CHANGE … #define XGBE_SFP_EXTD_SFF_8472 … #define XGBE_SFP_EXTD_CC … struct xgbe_sfp_eeprom { … }; #define XGBE_SFP_DIAGS_SUPPORTED(_x) … #define XGBE_SFP_EEPROM_BASE_LEN … #define XGBE_SFP_EEPROM_DIAG_LEN … #define XGBE_SFP_EEPROM_MAX … #define XGBE_BEL_FUSE_VENDOR … #define XGBE_BEL_FUSE_PARTNO … #define XGBE_MOLEX_VENDOR … struct xgbe_sfp_ascii { … }; /* MDIO PHY reset types */ enum xgbe_mdio_reset { … }; /* Re-driver related definitions */ enum xgbe_phy_redrv_if { … }; enum xgbe_phy_redrv_model { … }; enum xgbe_phy_redrv_mode { … }; #define XGBE_PHY_REDRV_MODE_REG … /* PHY related configuration information */ struct xgbe_phy_data { … }; /* I2C, MDIO and GPIO lines are muxed, so only one device at a time */ static DEFINE_MUTEX(xgbe_phy_comm_lock); static enum xgbe_an_mode xgbe_phy_an_mode(struct xgbe_prv_data *pdata); static void xgbe_phy_rrc(struct xgbe_prv_data *pdata); static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata, enum xgbe_mb_cmd cmd, enum xgbe_mb_subcmd sub_cmd); static int xgbe_phy_i2c_xfer(struct xgbe_prv_data *pdata, struct xgbe_i2c_op *i2c_op) { … } static int xgbe_phy_redrv_write(struct xgbe_prv_data *pdata, unsigned int reg, unsigned int val) { … } static int xgbe_phy_i2c_write(struct xgbe_prv_data *pdata, unsigned int target, void *val, unsigned int val_len) { … } static int xgbe_phy_i2c_read(struct xgbe_prv_data *pdata, unsigned int target, void *reg, unsigned int reg_len, void *val, unsigned int val_len) { … } static int xgbe_phy_sfp_put_mux(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_sfp_get_mux(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_put_comm_ownership(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_get_comm_ownership(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_mdio_mii_write_c22(struct xgbe_prv_data *pdata, int addr, int reg, u16 val) { … } static int xgbe_phy_mdio_mii_write_c45(struct xgbe_prv_data *pdata, int addr, int devad, int reg, u16 val) { … } static int xgbe_phy_i2c_mii_write(struct xgbe_prv_data *pdata, int reg, u16 val) { … } static int xgbe_phy_mii_write_c22(struct mii_bus *mii, int addr, int reg, u16 val) { … } static int xgbe_phy_mii_write_c45(struct mii_bus *mii, int addr, int devad, int reg, u16 val) { … } static int xgbe_phy_mdio_mii_read_c22(struct xgbe_prv_data *pdata, int addr, int reg) { … } static int xgbe_phy_mdio_mii_read_c45(struct xgbe_prv_data *pdata, int addr, int devad, int reg) { … } static int xgbe_phy_i2c_mii_read(struct xgbe_prv_data *pdata, int reg) { … } static int xgbe_phy_mii_read_c22(struct mii_bus *mii, int addr, int reg) { … } static int xgbe_phy_mii_read_c45(struct mii_bus *mii, int addr, int devad, int reg) { … } static void xgbe_phy_sfp_phy_settings(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_sfp_bit_rate(struct xgbe_sfp_eeprom *sfp_eeprom, enum xgbe_sfp_speed sfp_speed) { … } static void xgbe_phy_free_phy_device(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_finisar_phy_quirks(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_belfuse_phy_quirks(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_external_phy_quirks(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_find_phy_device(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sfp_external_phy(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_check_sfp_rx_los(struct xgbe_phy_data *phy_data) { … } static bool xgbe_phy_check_sfp_tx_fault(struct xgbe_phy_data *phy_data) { … } static bool xgbe_phy_check_sfp_mod_absent(struct xgbe_phy_data *phy_data) { … } static void xgbe_phy_sfp_parse_eeprom(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sfp_eeprom_info(struct xgbe_prv_data *pdata, struct xgbe_sfp_eeprom *sfp_eeprom) { … } static bool xgbe_phy_sfp_verify_eeprom(u8 cc_in, u8 *buf, unsigned int len) { … } static int xgbe_phy_sfp_read_eeprom(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sfp_signals(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sfp_mod_absent(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sfp_reset(struct xgbe_phy_data *phy_data) { … } static void xgbe_phy_sfp_detect(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_module_eeprom(struct xgbe_prv_data *pdata, struct ethtool_eeprom *eeprom, u8 *data) { … } static int xgbe_phy_module_info(struct xgbe_prv_data *pdata, struct ethtool_modinfo *modinfo) { … } static void xgbe_phy_phydev_flowctrl(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_an37_sgmii_outcome(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_an37_outcome(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_an73_redrv_outcome(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_an73_outcome(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_an_outcome(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_an_advertising(struct xgbe_prv_data *pdata, struct ethtool_link_ksettings *dlks) { … } static int xgbe_phy_an_config(struct xgbe_prv_data *pdata) { … } static enum xgbe_an_mode xgbe_phy_an_sfp_mode(struct xgbe_phy_data *phy_data) { … } static enum xgbe_an_mode xgbe_phy_an_mode(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_set_redrv_mode_mdio(struct xgbe_prv_data *pdata, enum xgbe_phy_redrv_mode mode) { … } static int xgbe_phy_set_redrv_mode_i2c(struct xgbe_prv_data *pdata, enum xgbe_phy_redrv_mode mode) { … } static void xgbe_phy_set_redrv_mode(struct xgbe_prv_data *pdata) { … } #define MAX_RX_ADAPT_RETRIES … #define XGBE_PMA_RX_VAL_SIG_MASK … static void xgbe_set_rx_adap_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static void xgbe_rx_adaptation(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_rx_adaptation(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_rx_reset(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_pll_ctrl(struct xgbe_prv_data *pdata, bool enable) { … } static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata, enum xgbe_mb_cmd cmd, enum xgbe_mb_subcmd sub_cmd) { … } static void xgbe_phy_rrc(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_power_off(struct xgbe_prv_data *pdata) { … } static bool enable_rx_adap(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static void xgbe_phy_sfi_mode(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_x_mode(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sgmii_1000_mode(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sgmii_100_mode(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sgmii_10_mode(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_kr_mode(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_kx_2500_mode(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_kx_1000_mode(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_cur_mode(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_switch_baset_mode(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_switch_bp_2500_mode(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_switch_bp_mode(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_switch_mode(struct xgbe_prv_data *pdata) { … } static enum xgbe_mode xgbe_phy_get_basex_mode(struct xgbe_phy_data *phy_data, int speed) { … } static enum xgbe_mode xgbe_phy_get_baset_mode(struct xgbe_phy_data *phy_data, int speed) { … } static enum xgbe_mode xgbe_phy_get_sfp_mode(struct xgbe_phy_data *phy_data, int speed) { … } static enum xgbe_mode xgbe_phy_get_bp_2500_mode(int speed) { … } static enum xgbe_mode xgbe_phy_get_bp_mode(int speed) { … } static enum xgbe_mode xgbe_phy_get_mode(struct xgbe_prv_data *pdata, int speed) { … } static void xgbe_phy_set_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static bool xgbe_phy_check_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode, bool advert) { … } static bool xgbe_phy_use_basex_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static bool xgbe_phy_use_baset_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static bool xgbe_phy_use_sfp_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static bool xgbe_phy_use_bp_2500_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static bool xgbe_phy_use_bp_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static bool xgbe_phy_use_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode) { … } static bool xgbe_phy_valid_speed_basex_mode(struct xgbe_phy_data *phy_data, int speed) { … } static bool xgbe_phy_valid_speed_baset_mode(struct xgbe_prv_data *pdata, int speed) { … } static bool xgbe_phy_valid_speed_sfp_mode(struct xgbe_prv_data *pdata, int speed) { … } static bool xgbe_phy_valid_speed_bp_2500_mode(int speed) { … } static bool xgbe_phy_valid_speed_bp_mode(int speed) { … } static bool xgbe_phy_valid_speed(struct xgbe_prv_data *pdata, int speed) { … } static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart) { … } static void xgbe_phy_sfp_gpio_setup(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sfp_comm_setup(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_sfp_setup(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_int_mdio_reset(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_i2c_mdio_reset(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_mdio_reset(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_redrv_error(struct xgbe_phy_data *phy_data) { … } static int xgbe_phy_mdio_reset_setup(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_conn_type_mismatch(struct xgbe_prv_data *pdata) { … } static bool xgbe_phy_port_enabled(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_cdr_track(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_cdr_notrack(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_kr_training_post(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_kr_training_pre(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_an_post(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_an_pre(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_stop(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_start(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_reset(struct xgbe_prv_data *pdata) { … } static void xgbe_phy_exit(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_init(struct xgbe_prv_data *pdata) { … } void xgbe_init_function_ptrs_phy_v2(struct xgbe_phy_if *phy_if) { … }
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