// SPDX-License-Identifier: GPL-2.0-only /**************************************************************************** * Driver for Solarflare network controllers and boards * Copyright 2007-2011 Solarflare Communications Inc. */ #include <linux/delay.h> #include <linux/rtnetlink.h> #include <linux/seq_file.h> #include <linux/slab.h> #include "efx.h" #include "mdio_10g.h" #include "nic.h" #include "phy.h" #include "workarounds.h" /* We expect these MMDs to be in the package. */ #define TENXPRESS_REQUIRED_DEVS … #define SFX7101_LOOPBACKS … /* We complain if we fail to see the link partner as 10G capable this many * times in a row (must be > 1 as sampling the autoneg. registers is racy) */ #define MAX_BAD_LP_TRIES … /* Extended control register */ #define PMA_PMD_XCONTROL_REG … #define PMA_PMD_EXT_GMII_EN_LBN … #define PMA_PMD_EXT_GMII_EN_WIDTH … #define PMA_PMD_EXT_CLK_OUT_LBN … #define PMA_PMD_EXT_CLK_OUT_WIDTH … #define PMA_PMD_LNPGA_POWERDOWN_LBN … #define PMA_PMD_LNPGA_POWERDOWN_WIDTH … #define PMA_PMD_EXT_CLK312_WIDTH … #define PMA_PMD_EXT_LPOWER_LBN … #define PMA_PMD_EXT_LPOWER_WIDTH … #define PMA_PMD_EXT_ROBUST_LBN … #define PMA_PMD_EXT_ROBUST_WIDTH … #define PMA_PMD_EXT_SSR_LBN … #define PMA_PMD_EXT_SSR_WIDTH … /* extended status register */ #define PMA_PMD_XSTATUS_REG … #define PMA_PMD_XSTAT_MDIX_LBN … #define PMA_PMD_XSTAT_FLP_LBN … /* LED control register */ #define PMA_PMD_LED_CTRL_REG … #define PMA_PMA_LED_ACTIVITY_LBN … /* LED function override register */ #define PMA_PMD_LED_OVERR_REG … /* Bit positions for different LEDs (there are more but not wired on SFE4001)*/ #define PMA_PMD_LED_LINK_LBN … #define PMA_PMD_LED_SPEED_LBN … #define PMA_PMD_LED_TX_LBN … #define PMA_PMD_LED_RX_LBN … /* Override settings */ #define PMA_PMD_LED_AUTO … #define PMA_PMD_LED_ON … #define PMA_PMD_LED_OFF … #define PMA_PMD_LED_FLASH … #define PMA_PMD_LED_MASK … /* All LEDs under hardware control */ /* Green and Amber under hardware control, Red off */ #define SFX7101_PMA_PMD_LED_DEFAULT … #define PMA_PMD_SPEED_ENABLE_REG … #define PMA_PMD_100TX_ADV_LBN … #define PMA_PMD_100TX_ADV_WIDTH … #define PMA_PMD_1000T_ADV_LBN … #define PMA_PMD_1000T_ADV_WIDTH … #define PMA_PMD_10000T_ADV_LBN … #define PMA_PMD_10000T_ADV_WIDTH … #define PMA_PMD_SPEED_LBN … #define PMA_PMD_SPEED_WIDTH … /* Misc register defines */ #define PCS_CLOCK_CTRL_REG … #define PLL312_RST_N_LBN … #define PCS_SOFT_RST2_REG … #define SERDES_RST_N_LBN … #define XGXS_RST_N_LBN … #define PCS_TEST_SELECT_REG … #define CLK312_EN_LBN … /* PHYXS registers */ #define PHYXS_XCONTROL_REG … #define PHYXS_RESET_LBN … #define PHYXS_RESET_WIDTH … #define PHYXS_TEST1 … #define LOOPBACK_NEAR_LBN … #define LOOPBACK_NEAR_WIDTH … /* Boot status register */ #define PCS_BOOT_STATUS_REG … #define PCS_BOOT_FATAL_ERROR_LBN … #define PCS_BOOT_PROGRESS_LBN … #define PCS_BOOT_PROGRESS_WIDTH … #define PCS_BOOT_PROGRESS_INIT … #define PCS_BOOT_PROGRESS_WAIT_MDIO … #define PCS_BOOT_PROGRESS_CHECKSUM … #define PCS_BOOT_PROGRESS_JUMP … #define PCS_BOOT_DOWNLOAD_WAIT_LBN … #define PCS_BOOT_CODE_STARTED_LBN … /* 100M/1G PHY registers */ #define GPHY_XCONTROL_REG … #define GPHY_ISOLATE_LBN … #define GPHY_ISOLATE_WIDTH … #define GPHY_DUPLEX_LBN … #define GPHY_DUPLEX_WIDTH … #define GPHY_LOOPBACK_NEAR_LBN … #define GPHY_LOOPBACK_NEAR_WIDTH … #define C22EXT_STATUS_REG … #define C22EXT_STATUS_LINK_LBN … #define C22EXT_STATUS_LINK_WIDTH … #define C22EXT_MSTSLV_CTRL … #define C22EXT_MSTSLV_CTRL_ADV_1000_HD_LBN … #define C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN … #define C22EXT_MSTSLV_STATUS … #define C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN … #define C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN … /* Time to wait between powering down the LNPGA and turning off the power * rails */ #define LNPGA_PDOWN_WAIT … struct tenxpress_phy_data { … }; static int tenxpress_init(struct ef4_nic *efx) { … } static int tenxpress_phy_probe(struct ef4_nic *efx) { … } static int tenxpress_phy_init(struct ef4_nic *efx) { … } /* Perform a "special software reset" on the PHY. The caller is * responsible for saving and restoring the PHY hardware registers * properly, and masking/unmasking LASI */ static int tenxpress_special_reset(struct ef4_nic *efx) { … } static void sfx7101_check_bad_lp(struct ef4_nic *efx, bool link_ok) { … } static bool sfx7101_link_ok(struct ef4_nic *efx) { … } static void tenxpress_ext_loopback(struct ef4_nic *efx) { … } static void tenxpress_low_power(struct ef4_nic *efx) { … } static int tenxpress_phy_reconfigure(struct ef4_nic *efx) { … } /* Poll for link state changes */ static bool tenxpress_phy_poll(struct ef4_nic *efx) { … } static void sfx7101_phy_fini(struct ef4_nic *efx) { … } static void tenxpress_phy_remove(struct ef4_nic *efx) { … } /* Override the RX, TX and link LEDs */ void tenxpress_set_id_led(struct ef4_nic *efx, enum ef4_led_mode mode) { … } static const char *const sfx7101_test_names[] = …; static const char *sfx7101_test_name(struct ef4_nic *efx, unsigned int index) { … } static int sfx7101_run_tests(struct ef4_nic *efx, int *results, unsigned flags) { … } static void tenxpress_get_link_ksettings(struct ef4_nic *efx, struct ethtool_link_ksettings *cmd) { … } static int tenxpress_set_link_ksettings(struct ef4_nic *efx, const struct ethtool_link_ksettings *cmd) { … } static void sfx7101_set_npage_adv(struct ef4_nic *efx, u32 advertising) { … } const struct ef4_phy_operations falcon_sfx7101_phy_ops = …;
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