1 // SPDX-License-Identifier: GPL-2.0
16  * DP83TG720S_POLL_ACTIVE_LINK - Polling interval in milliseconds when the link
18  * DP83TG720S_POLL_NO_LINK_MIN - Minimum polling interval in milliseconds when
20  * DP83TG720S_POLL_NO_LINK_MAX - Maximum polling interval in milliseconds when
76 /* Register 0x0576: TDR Master Link Down Control */
88  * 32-bit or 16-bit counters for TX and RX statistics and must be read in
91  * - DP83TG720S_PKT_STAT_1: Contains TX packet count bits [15:0].
92  * - DP83TG720S_PKT_STAT_2: Contains TX packet count bits [31:16].
93  * - DP83TG720S_PKT_STAT_3: Contains TX error packet count.
94  * - DP83TG720S_PKT_STAT_4: Contains RX packet count bits [15:0].
95  * - DP83TG720S_PKT_STAT_5: Contains RX packet count bits [31:16].
96  * - DP83TG720S_PKT_STAT_6: Contains RX error packet count.
126 	struct dp83tg720_stats stats;  member
130  * dp83tg720_update_stats - Update the PHY statistics for the DP83TD510 PHY.
140 	struct dp83tg720_priv *priv = phydev->priv;  in dp83tg720_update_stats()
150 	priv->stats.link_loss_cnt += count;  in dp83tg720_update_stats()
153 	 * - Group 1 (TX stats): DP83TG720S_PKT_STAT_1 to DP83TG720S_PKT_STAT_3  in dp83tg720_update_stats()
154 	 * - Group 2 (RX stats): DP83TG720S_PKT_STAT_4 to DP83TG720S_PKT_STAT_6  in dp83tg720_update_stats()
174 	priv->stats.tx_pkt_cnt += count;  in dp83tg720_update_stats()
180 	priv->stats.tx_err_pkt_cnt += ret;  in dp83tg720_update_stats()
193 	priv->stats.rx_pkt_cnt += count;  in dp83tg720_update_stats()
199 	priv->stats.rx_err_pkt_cnt += ret;  in dp83tg720_update_stats()
207 	struct dp83tg720_priv *priv = phydev->priv;  in dp83tg720_get_link_stats()
209 	link_stats->link_down_events = priv->stats.link_loss_cnt;  in dp83tg720_get_link_stats()
214 				    struct ethtool_phy_stats *stats)  in dp83tg720_get_phy_stats()  argument
216 	struct dp83tg720_priv *priv = phydev->priv;  in dp83tg720_get_phy_stats()
218 	stats->tx_packets = priv->stats.tx_pkt_cnt;  in dp83tg720_get_phy_stats()
219 	stats->tx_errors = priv->stats.tx_err_pkt_cnt;  in dp83tg720_get_phy_stats()
220 	stats->rx_packets = priv->stats.rx_pkt_cnt;  in dp83tg720_get_phy_stats()
221 	stats->rx_errors = priv->stats.rx_err_pkt_cnt;  in dp83tg720_get_phy_stats()
225  * dp83tg720_cable_test_start - Start the cable test for the DP83TG720 PHY.
237 	 * "DP83TG720S-Q1: Configuring for Open Alliance Specification  in dp83tg720_cable_test_start()
243 	/* Force master link down */  in dp83tg720_cable_test_start()
284  * dp83tg720_cable_test_get_status - Get the status of the cable test for the
337 	/* save the current stats before resetting the PHY */  in dp83tg720_cable_test_get_status()
350 	 * We need to care only about master/slave configuration if it was  in dp83tg720_config_aneg()
357 	/* Re-read role configuration to make changes visible even if  in dp83tg720_config_aneg()
368 	phydev->pause = 0;  in dp83tg720_read_status()
369 	phydev->asym_pause = 0;  in dp83tg720_read_status()
375 	phydev->link = !!(phy_sts & DP83TG720S_LINK_STATUS);  in dp83tg720_read_status()
376 	if (!phydev->link) {  in dp83tg720_read_status()
377 		/* save the current stats before resetting the PHY */  in dp83tg720_read_status()
393 		/* Sleep 600ms for PHY stabilization post-reset.  in dp83tg720_read_status()
400 		/* After HW reset we need to restore master/slave configuration.  in dp83tg720_read_status()
408 		phydev->speed = SPEED_UNKNOWN;  in dp83tg720_read_status()
409 		phydev->duplex = DUPLEX_UNKNOWN;  in dp83tg720_read_status()
419 		phydev->duplex = DUPLEX_FULL;  in dp83tg720_read_status()
420 		phydev->speed = SPEED_1000;  in dp83tg720_read_status()
430 	if (!phydev->link)  in dp83tg720_get_sqi()
450 	switch (phydev->interface) {  in dp83tg720_config_rgmii_delay()
488 	 * The wait value of one 1ms is documented in "DP83TG720S-Q1 1000BASE-T1  in dp83tg720_config_init()
515 	struct device *dev = &phydev->mdio.dev;  in dp83tg720_probe()
520 		return -ENOMEM;  in dp83tg720_probe()
522 	phydev->priv = priv;  in dp83tg720_probe()
528  * dp83tg720_get_next_update_time - Determine the next update time for PHY
545  * in the worst-case scenario.
554 	if (phydev->link) {  in dp83tg720_get_next_update_time()
570 			get_random_u32_below(max_jiffies - min_jiffies + 1);  in dp83tg720_get_next_update_time()