1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2015 - 2023 Beijing WangXun Technology Co., Ltd. */
7 #include <linux/clk-provider.h>
13 #include <linux/pcs/pcs-xpcs.h>
25 	struct txgbe_nodes *nodes = &txgbe->nodes;  in txgbe_swnodes_register()
26 	struct pci_dev *pdev = txgbe->wx->pdev;  in txgbe_swnodes_register()
32 	snprintf(nodes->gpio_name, sizeof(nodes->gpio_name), "txgbe_gpio-%x", id);  in txgbe_swnodes_register()
33 	snprintf(nodes->i2c_name, sizeof(nodes->i2c_name), "txgbe_i2c-%x", id);  in txgbe_swnodes_register()
34 	snprintf(nodes->sfp_name, sizeof(nodes->sfp_name), "txgbe_sfp-%x", id);  in txgbe_swnodes_register()
35 	snprintf(nodes->phylink_name, sizeof(nodes->phylink_name), "txgbe_phylink-%x", id);  in txgbe_swnodes_register()
37 	swnodes = nodes->swnodes;  in txgbe_swnodes_register()
46 	nodes->gpio_props[0] = PROPERTY_ENTRY_STRING("pinctrl-names", "default");  in txgbe_swnodes_register()
47 	swnodes[SWNODE_GPIO] = NODE_PROP(nodes->gpio_name, nodes->gpio_props);  in txgbe_swnodes_register()
48 	nodes->gpio0_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 0, GPIO_ACTIVE_HIGH);  in txgbe_swnodes_register()
49 	nodes->gpio1_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 1, GPIO_ACTIVE_HIGH);  in txgbe_swnodes_register()
50 	nodes->gpio2_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 2, GPIO_ACTIVE_LOW);  in txgbe_swnodes_register()
51 	nodes->gpio3_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 3, GPIO_ACTIVE_HIGH);  in txgbe_swnodes_register()
52 	nodes->gpio4_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 4, GPIO_ACTIVE_HIGH);  in txgbe_swnodes_register()
53 	nodes->gpio5_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_GPIO], 5, GPIO_ACTIVE_HIGH);  in txgbe_swnodes_register()
55 	nodes->i2c_props[0] = PROPERTY_ENTRY_STRING("compatible", "snps,designware-i2c");  in txgbe_swnodes_register()
56 	nodes->i2c_props[1] = PROPERTY_ENTRY_BOOL("wx,i2c-snps-model");  in txgbe_swnodes_register()
57 	nodes->i2c_props[2] = PROPERTY_ENTRY_U32("clock-frequency", I2C_MAX_STANDARD_MODE_FREQ);  in txgbe_swnodes_register()
58 	swnodes[SWNODE_I2C] = NODE_PROP(nodes->i2c_name, nodes->i2c_props);  in txgbe_swnodes_register()
59 	nodes->i2c_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_I2C]);  in txgbe_swnodes_register()
61 	nodes->sfp_props[0] = PROPERTY_ENTRY_STRING("compatible", "sff,sfp");  in txgbe_swnodes_register()
62 	nodes->sfp_props[1] = PROPERTY_ENTRY_REF_ARRAY("i2c-bus", nodes->i2c_ref);  in txgbe_swnodes_register()
63 	nodes->sfp_props[2] = PROPERTY_ENTRY_REF_ARRAY("tx-fault-gpios", nodes->gpio0_ref);  in txgbe_swnodes_register()
64 	nodes->sfp_props[3] = PROPERTY_ENTRY_REF_ARRAY("tx-disable-gpios", nodes->gpio1_ref);  in txgbe_swnodes_register()
65 	nodes->sfp_props[4] = PROPERTY_ENTRY_REF_ARRAY("mod-def0-gpios", nodes->gpio2_ref);  in txgbe_swnodes_register()
66 	nodes->sfp_props[5] = PROPERTY_ENTRY_REF_ARRAY("los-gpios", nodes->gpio3_ref);  in txgbe_swnodes_register()
67 	nodes->sfp_props[6] = PROPERTY_ENTRY_REF_ARRAY("rate-select1-gpios", nodes->gpio4_ref);  in txgbe_swnodes_register()
68 	nodes->sfp_props[7] = PROPERTY_ENTRY_REF_ARRAY("rate-select0-gpios", nodes->gpio5_ref);  in txgbe_swnodes_register()
69 	swnodes[SWNODE_SFP] = NODE_PROP(nodes->sfp_name, nodes->sfp_props);  in txgbe_swnodes_register()
70 	nodes->sfp_ref[0] = SOFTWARE_NODE_REFERENCE(&swnodes[SWNODE_SFP]);  in txgbe_swnodes_register()
72 	nodes->phylink_props[0] = PROPERTY_ENTRY_STRING("managed", "in-band-status");  in txgbe_swnodes_register()
73 	nodes->phylink_props[1] = PROPERTY_ENTRY_REF_ARRAY("sfp", nodes->sfp_ref);  in txgbe_swnodes_register()
74 	swnodes[SWNODE_PHYLINK] = NODE_PROP(nodes->phylink_name, nodes->phylink_props);  in txgbe_swnodes_register()
76 	nodes->group[SWNODE_GPIO] = &swnodes[SWNODE_GPIO];  in txgbe_swnodes_register()
77 	nodes->group[SWNODE_I2C] = &swnodes[SWNODE_I2C];  in txgbe_swnodes_register()
78 	nodes->group[SWNODE_SFP] = &swnodes[SWNODE_SFP];  in txgbe_swnodes_register()
79 	nodes->group[SWNODE_PHYLINK] = &swnodes[SWNODE_PHYLINK];  in txgbe_swnodes_register()
81 	return software_node_register_node_group(nodes->group);  in txgbe_swnodes_register()
86 	struct wx *wx  = bus->priv;  in txgbe_pcs_read()
90 		return -EOPNOTSUPP;  in txgbe_pcs_read()
105 	struct wx *wx = bus->priv;  in txgbe_pcs_write()
109 		return -EOPNOTSUPP;  in txgbe_pcs_write()
130 	wx = txgbe->wx;  in txgbe_mdio_pcs_init()
131 	pdev = wx->pdev;  in txgbe_mdio_pcs_init()
133 	mii_bus = devm_mdiobus_alloc(&pdev->dev);  in txgbe_mdio_pcs_init()
135 		return -ENOMEM;  in txgbe_mdio_pcs_init()
137 	mii_bus->name = "txgbe_pcs_mdio_bus";  in txgbe_mdio_pcs_init()
138 	mii_bus->read_c45 = &txgbe_pcs_read;  in txgbe_mdio_pcs_init()
139 	mii_bus->write_c45 = &txgbe_pcs_write;  in txgbe_mdio_pcs_init()
140 	mii_bus->parent = &pdev->dev;  in txgbe_mdio_pcs_init()
141 	mii_bus->phy_mask = ~0;  in txgbe_mdio_pcs_init()
142 	mii_bus->priv = wx;  in txgbe_mdio_pcs_init()
143 	snprintf(mii_bus->id, MII_BUS_ID_SIZE, "txgbe_pcs-%x",  in txgbe_mdio_pcs_init()
146 	ret = devm_mdiobus_register(&pdev->dev, mii_bus);  in txgbe_mdio_pcs_init()
154 	txgbe->pcs = pcs;  in txgbe_mdio_pcs_init()
163 	struct txgbe *txgbe = wx->priv;  in txgbe_phylink_mac_select()
165 	if (wx->media_type != sp_media_copper)  in txgbe_phylink_mac_select()
166 		return txgbe->pcs;  in txgbe_phylink_mac_select()
255 	struct wx *wx = txgbe->wx;  in txgbe_phylink_init()
259 	config = &wx->phylink_config;  in txgbe_phylink_init()
260 	config->dev = &wx->netdev->dev;  in txgbe_phylink_init()
261 	config->type = PHYLINK_NETDEV;  in txgbe_phylink_init()
262 	config->mac_capabilities = MAC_10000FD | MAC_1000FD | MAC_100FD |  in txgbe_phylink_init()
265 	if (wx->media_type == sp_media_copper) {  in txgbe_phylink_init()
267 		__set_bit(PHY_INTERFACE_MODE_XAUI, config->supported_interfaces);  in txgbe_phylink_init()
270 		fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_PHYLINK]);  in txgbe_phylink_init()
271 		__set_bit(PHY_INTERFACE_MODE_10GBASER, config->supported_interfaces);  in txgbe_phylink_init()
272 		__set_bit(PHY_INTERFACE_MODE_1000BASEX, config->supported_interfaces);  in txgbe_phylink_init()
273 		__set_bit(PHY_INTERFACE_MODE_SGMII, config->supported_interfaces);  in txgbe_phylink_init()
280 	if (wx->phydev) {  in txgbe_phylink_init()
283 		ret = phylink_connect_phy(phylink, wx->phydev);  in txgbe_phylink_init()
290 	wx->phylink = phylink;  in txgbe_phylink_init()
298 	struct wx *wx = txgbe->wx;  in txgbe_link_irq_handler()
305 	phylink_pcs_change(txgbe->pcs, up);  in txgbe_link_irq_handler()
337 	raw_spin_lock_irqsave(&wx->gpio_lock, flags);  in txgbe_gpio_direction_in()
339 	raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);  in txgbe_gpio_direction_in()
353 	raw_spin_lock_irqsave(&wx->gpio_lock, flags);  in txgbe_gpio_direction_out()
356 	raw_spin_unlock_irqrestore(&wx->gpio_lock, flags);  in txgbe_gpio_direction_out()
368 	wx = txgbe->wx;  in txgbe_gpio_init()
369 	dev = &wx->pdev->dev;  in txgbe_gpio_init()
371 	raw_spin_lock_init(&wx->gpio_lock);  in txgbe_gpio_init()
375 		return -ENOMEM;  in txgbe_gpio_init()
377 	gc->label = devm_kasprintf(dev, GFP_KERNEL, "txgbe_gpio-%x",  in txgbe_gpio_init()
378 				   pci_dev_id(wx->pdev));  in txgbe_gpio_init()
379 	if (!gc->label)  in txgbe_gpio_init()
380 		return -ENOMEM;  in txgbe_gpio_init()
382 	gc->base = -1;  in txgbe_gpio_init()
383 	gc->ngpio = 6;  in txgbe_gpio_init()
384 	gc->owner = THIS_MODULE;  in txgbe_gpio_init()
385 	gc->parent = dev;  in txgbe_gpio_init()
386 	gc->fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_GPIO]);  in txgbe_gpio_init()
387 	gc->get = txgbe_gpio_get;  in txgbe_gpio_init()
388 	gc->get_direction = txgbe_gpio_get_direction;  in txgbe_gpio_init()
389 	gc->direction_input = txgbe_gpio_direction_in;  in txgbe_gpio_init()
390 	gc->direction_output = txgbe_gpio_direction_out;  in txgbe_gpio_init()
396 	txgbe->gpio = gc;  in txgbe_gpio_init()
403 	struct pci_dev *pdev = txgbe->wx->pdev;  in txgbe_clock_register()
418 		return -ENOMEM;  in txgbe_clock_register()
421 	txgbe->clk = clk;  in txgbe_clock_register()
422 	txgbe->clock = clock;  in txgbe_clock_register()
461 	wx = txgbe->wx;  in txgbe_i2c_register()
462 	pdev = wx->pdev;  in txgbe_i2c_register()
463 	i2c_regmap = devm_regmap_init(&pdev->dev, NULL, wx, &i2c_regmap_config);  in txgbe_i2c_register()
465 		wx_err(wx, "failed to init I2C regmap\n");  in txgbe_i2c_register()
469 	info.parent = &pdev->dev;  in txgbe_i2c_register()
470 	info.fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_I2C]);  in txgbe_i2c_register()
474 	info.res = &DEFINE_RES_IRQ(pdev->irq);  in txgbe_i2c_register()
480 	txgbe->i2c_dev = i2c_dev;  in txgbe_i2c_register()
487 	struct pci_dev *pdev = txgbe->wx->pdev;  in txgbe_sfp_register()
491 	info.parent = &pdev->dev;  in txgbe_sfp_register()
492 	info.fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_SFP]);  in txgbe_sfp_register()
499 	txgbe->sfp_dev = sfp_dev;  in txgbe_sfp_register()
512 	wx = txgbe->wx;  in txgbe_ext_phy_init()
513 	pdev = wx->pdev;  in txgbe_ext_phy_init()
515 	mii_bus = devm_mdiobus_alloc(&pdev->dev);  in txgbe_ext_phy_init()
517 		return -ENOMEM;  in txgbe_ext_phy_init()
519 	mii_bus->name = "txgbe_mii_bus";  in txgbe_ext_phy_init()
520 	mii_bus->read_c45 = &wx_phy_read_reg_mdi_c45;  in txgbe_ext_phy_init()
521 	mii_bus->write_c45 = &wx_phy_write_reg_mdi_c45;  in txgbe_ext_phy_init()
522 	mii_bus->parent = &pdev->dev;  in txgbe_ext_phy_init()
523 	mii_bus->phy_mask = GENMASK(31, 1);  in txgbe_ext_phy_init()
524 	mii_bus->priv = wx;  in txgbe_ext_phy_init()
525 	snprintf(mii_bus->id, MII_BUS_ID_SIZE, "txgbe-%x", pci_dev_id(pdev));  in txgbe_ext_phy_init()
527 	ret = devm_mdiobus_register(&pdev->dev, mii_bus);  in txgbe_ext_phy_init()
536 		return -ENODEV;  in txgbe_ext_phy_init()
541 	wx->link = 0;  in txgbe_ext_phy_init()
542 	wx->speed = 0;  in txgbe_ext_phy_init()
543 	wx->duplex = 0;  in txgbe_ext_phy_init()
544 	wx->phydev = phydev;  in txgbe_ext_phy_init()
548 		wx_err(wx, "failed to init phylink: %d\n", ret);  in txgbe_ext_phy_init()
557 	struct wx *wx = txgbe->wx;  in txgbe_init_phy()
560 	if (txgbe->wx->media_type == sp_media_copper)  in txgbe_init_phy()
571 		wx_err(wx, "failed to init mdio pcs: %d\n", ret);  in txgbe_init_phy()
577 		wx_err(wx, "failed to init phylink\n");  in txgbe_init_phy()
583 		wx_err(wx, "failed to init gpio\n");  in txgbe_init_phy()
595 		wx_err(wx, "failed to init i2c interface: %d\n", ret);  in txgbe_init_phy()
608 	platform_device_unregister(txgbe->i2c_dev);  in txgbe_init_phy()
610 	clkdev_drop(txgbe->clock);  in txgbe_init_phy()
611 	clk_unregister(txgbe->clk);  in txgbe_init_phy()
613 	phylink_destroy(wx->phylink);  in txgbe_init_phy()
615 	xpcs_destroy_pcs(txgbe->pcs);  in txgbe_init_phy()
617 	software_node_unregister_node_group(txgbe->nodes.group);  in txgbe_init_phy()
624 	if (txgbe->wx->media_type == sp_media_copper) {  in txgbe_remove_phy()
625 		phylink_disconnect_phy(txgbe->wx->phylink);  in txgbe_remove_phy()
626 		phylink_destroy(txgbe->wx->phylink);  in txgbe_remove_phy()
630 	platform_device_unregister(txgbe->sfp_dev);  in txgbe_remove_phy()
631 	platform_device_unregister(txgbe->i2c_dev);  in txgbe_remove_phy()
632 	clkdev_drop(txgbe->clock);  in txgbe_remove_phy()
633 	clk_unregister(txgbe->clk);  in txgbe_remove_phy()
634 	phylink_destroy(txgbe->wx->phylink);  in txgbe_remove_phy()
635 	xpcs_destroy_pcs(txgbe->pcs);  in txgbe_remove_phy()
636 	software_node_unregister_node_group(txgbe->nodes.group);  in txgbe_remove_phy()