754 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			754 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-or-later */
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| /*
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|  * Marvell 88E6xxx Ethernet switch single-chip definition
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|  *
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|  * Copyright (c) 2008 Marvell Semiconductor
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|  */
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| 
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| #ifndef _MV88E6XXX_CHIP_H
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| #define _MV88E6XXX_CHIP_H
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| 
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| #include <linux/idr.h>
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| #include <linux/if_vlan.h>
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| #include <linux/irq.h>
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| #include <linux/gpio/consumer.h>
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| #include <linux/kthread.h>
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| #include <linux/phy.h>
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| #include <linux/ptp_clock_kernel.h>
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| #include <linux/timecounter.h>
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| #include <net/dsa.h>
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| 
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| #define MV88E6XXX_N_FID		4096
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| 
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| /* PVT limits for 4-bit port and 5-bit switch */
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| #define MV88E6XXX_MAX_PVT_SWITCHES	32
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| #define MV88E6XXX_MAX_PVT_PORTS		16
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| #define MV88E6XXX_MAX_PVT_ENTRIES	\
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| 	(MV88E6XXX_MAX_PVT_SWITCHES * MV88E6XXX_MAX_PVT_PORTS)
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| 
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| #define MV88E6XXX_MAX_GPIO	16
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| 
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| enum mv88e6xxx_egress_mode {
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| 	MV88E6XXX_EGRESS_MODE_UNMODIFIED,
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| 	MV88E6XXX_EGRESS_MODE_UNTAGGED,
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| 	MV88E6XXX_EGRESS_MODE_TAGGED,
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| 	MV88E6XXX_EGRESS_MODE_ETHERTYPE,
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| };
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| 
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| enum mv88e6xxx_egress_direction {
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|         MV88E6XXX_EGRESS_DIR_INGRESS,
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|         MV88E6XXX_EGRESS_DIR_EGRESS,
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| };
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| 
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| enum mv88e6xxx_frame_mode {
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| 	MV88E6XXX_FRAME_MODE_NORMAL,
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| 	MV88E6XXX_FRAME_MODE_DSA,
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| 	MV88E6XXX_FRAME_MODE_PROVIDER,
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| 	MV88E6XXX_FRAME_MODE_ETHERTYPE,
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| };
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| 
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| /* List of supported models */
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| enum mv88e6xxx_model {
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| 	MV88E6085,
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| 	MV88E6095,
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| 	MV88E6097,
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| 	MV88E6123,
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| 	MV88E6131,
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| 	MV88E6141,
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| 	MV88E6161,
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| 	MV88E6165,
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| 	MV88E6171,
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| 	MV88E6172,
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| 	MV88E6175,
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| 	MV88E6176,
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| 	MV88E6185,
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| 	MV88E6190,
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| 	MV88E6190X,
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| 	MV88E6191,
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| 	MV88E6191X,
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| 	MV88E6193X,
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| 	MV88E6220,
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| 	MV88E6240,
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| 	MV88E6250,
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| 	MV88E6290,
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| 	MV88E6320,
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| 	MV88E6321,
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| 	MV88E6341,
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| 	MV88E6350,
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| 	MV88E6351,
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| 	MV88E6352,
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| 	MV88E6390,
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| 	MV88E6390X,
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| 	MV88E6393X,
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| };
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| 
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| enum mv88e6xxx_family {
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| 	MV88E6XXX_FAMILY_NONE,
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| 	MV88E6XXX_FAMILY_6065,	/* 6031 6035 6061 6065 */
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| 	MV88E6XXX_FAMILY_6095,	/* 6092 6095 */
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| 	MV88E6XXX_FAMILY_6097,	/* 6046 6085 6096 6097 */
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| 	MV88E6XXX_FAMILY_6165,	/* 6123 6161 6165 */
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| 	MV88E6XXX_FAMILY_6185,	/* 6108 6121 6122 6131 6152 6155 6182 6185 */
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| 	MV88E6XXX_FAMILY_6250,	/* 6220 6250 */
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| 	MV88E6XXX_FAMILY_6320,	/* 6320 6321 */
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| 	MV88E6XXX_FAMILY_6341,	/* 6141 6341 */
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| 	MV88E6XXX_FAMILY_6351,	/* 6171 6175 6350 6351 */
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| 	MV88E6XXX_FAMILY_6352,	/* 6172 6176 6240 6352 */
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| 	MV88E6XXX_FAMILY_6390,  /* 6190 6190X 6191 6290 6390 6390X */
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| 	MV88E6XXX_FAMILY_6393,	/* 6191X 6193X 6393X */
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| };
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| 
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| /**
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|  * enum mv88e6xxx_edsa_support - Ethertype DSA tag support level
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|  * @MV88E6XXX_EDSA_UNSUPPORTED:  Device has no support for EDSA tags
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|  * @MV88E6XXX_EDSA_UNDOCUMENTED: Documentation indicates that
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|  *                               egressing FORWARD frames with an EDSA
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|  *                               tag is reserved for future use, but
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|  *                               empirical data shows that this mode
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|  *                               is supported.
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|  * @MV88E6XXX_EDSA_SUPPORTED:    EDSA tags are fully supported.
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|  */
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| enum mv88e6xxx_edsa_support {
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| 	MV88E6XXX_EDSA_UNSUPPORTED = 0,
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| 	MV88E6XXX_EDSA_UNDOCUMENTED,
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| 	MV88E6XXX_EDSA_SUPPORTED,
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| };
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| 
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| struct mv88e6xxx_ops;
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| 
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| struct mv88e6xxx_info {
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| 	enum mv88e6xxx_family family;
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| 	u16 prod_num;
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| 	const char *name;
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| 	unsigned int num_databases;
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| 	unsigned int num_macs;
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| 	unsigned int num_ports;
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| 	unsigned int num_internal_phys;
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| 	unsigned int num_gpio;
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| 	unsigned int max_vid;
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| 	unsigned int port_base_addr;
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| 	unsigned int phy_base_addr;
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| 	unsigned int global1_addr;
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| 	unsigned int global2_addr;
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| 	unsigned int age_time_coeff;
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| 	unsigned int g1_irqs;
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| 	unsigned int g2_irqs;
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| 	bool pvt;
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| 
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| 	/* Mark certain ports as invalid. This is required for example for the
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| 	 * MV88E6220 (which is in general a MV88E6250 with 7 ports) but the
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| 	 * ports 2-4 are not routet to pins.
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| 	 */
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| 	unsigned int invalid_port_mask;
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| 	/* Multi-chip Addressing Mode.
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| 	 * Some chips respond to only 2 registers of its own SMI device address
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| 	 * when it is non-zero, and use indirect access to internal registers.
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| 	 */
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| 	bool multi_chip;
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| 	/* Dual-chip Addressing Mode
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| 	 * Some chips respond to only half of the 32 SMI addresses,
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| 	 * allowing two to coexist on the same SMI interface.
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| 	 */
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| 	bool dual_chip;
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| 
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| 	enum mv88e6xxx_edsa_support edsa_support;
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| 
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| 	/* Mask for FromPort and ToPort value of PortVec used in ATU Move
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| 	 * operation. 0 means that the ATU Move operation is not supported.
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| 	 */
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| 	u8 atu_move_port_mask;
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| 	const struct mv88e6xxx_ops *ops;
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| 
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| 	/* Supports PTP */
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| 	bool ptp_support;
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| };
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| 
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| struct mv88e6xxx_atu_entry {
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| 	u8	state;
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| 	bool	trunk;
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| 	u16	portvec;
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| 	u8	mac[ETH_ALEN];
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| };
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| 
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| struct mv88e6xxx_vtu_entry {
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| 	u16	vid;
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| 	u16	fid;
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| 	u8	sid;
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| 	bool	valid;
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| 	u8	member[DSA_MAX_PORTS];
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| 	u8	state[DSA_MAX_PORTS];
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| };
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| 
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| struct mv88e6xxx_bus_ops;
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| struct mv88e6xxx_irq_ops;
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| struct mv88e6xxx_gpio_ops;
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| struct mv88e6xxx_avb_ops;
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| struct mv88e6xxx_ptp_ops;
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| 
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| struct mv88e6xxx_irq {
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| 	u16 masked;
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| 	struct irq_chip chip;
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| 	struct irq_domain *domain;
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| 	int nirqs;
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| };
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| 
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| /* state flags for mv88e6xxx_port_hwtstamp::state */
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| enum {
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| 	MV88E6XXX_HWTSTAMP_ENABLED,
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| 	MV88E6XXX_HWTSTAMP_TX_IN_PROGRESS,
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| };
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| 
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| struct mv88e6xxx_port_hwtstamp {
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| 	/* Port index */
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| 	int port_id;
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| 
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| 	/* Timestamping state */
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| 	unsigned long state;
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| 
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| 	/* Resources for receive timestamping */
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| 	struct sk_buff_head rx_queue;
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| 	struct sk_buff_head rx_queue2;
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| 
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| 	/* Resources for transmit timestamping */
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| 	unsigned long tx_tstamp_start;
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| 	struct sk_buff *tx_skb;
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| 	u16 tx_seq_id;
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| 
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| 	/* Current timestamp configuration */
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| 	struct hwtstamp_config tstamp_config;
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| };
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| 
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| enum mv88e6xxx_policy_mapping {
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| 	MV88E6XXX_POLICY_MAPPING_DA,
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| 	MV88E6XXX_POLICY_MAPPING_SA,
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| 	MV88E6XXX_POLICY_MAPPING_VTU,
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| 	MV88E6XXX_POLICY_MAPPING_ETYPE,
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| 	MV88E6XXX_POLICY_MAPPING_PPPOE,
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| 	MV88E6XXX_POLICY_MAPPING_VBAS,
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| 	MV88E6XXX_POLICY_MAPPING_OPT82,
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| 	MV88E6XXX_POLICY_MAPPING_UDP,
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| };
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| 
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| enum mv88e6xxx_policy_action {
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| 	MV88E6XXX_POLICY_ACTION_NORMAL,
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| 	MV88E6XXX_POLICY_ACTION_MIRROR,
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| 	MV88E6XXX_POLICY_ACTION_TRAP,
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| 	MV88E6XXX_POLICY_ACTION_DISCARD,
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| };
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| 
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| struct mv88e6xxx_policy {
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| 	enum mv88e6xxx_policy_mapping mapping;
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| 	enum mv88e6xxx_policy_action action;
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| 	struct ethtool_rx_flow_spec fs;
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| 	u8 addr[ETH_ALEN];
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| 	int port;
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| 	u16 vid;
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| };
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| 
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| struct mv88e6xxx_port {
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| 	struct mv88e6xxx_chip *chip;
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| 	int port;
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| 	u64 serdes_stats[2];
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| 	u64 atu_member_violation;
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| 	u64 atu_miss_violation;
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| 	u64 atu_full_violation;
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| 	u64 vtu_member_violation;
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| 	u64 vtu_miss_violation;
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| 	phy_interface_t interface;
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| 	u8 cmode;
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| 	bool mirror_ingress;
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| 	bool mirror_egress;
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| 	unsigned int serdes_irq;
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| 	char serdes_irq_name[64];
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| 	struct devlink_region *region;
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| };
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| 
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| enum mv88e6xxx_region_id {
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| 	MV88E6XXX_REGION_GLOBAL1 = 0,
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| 	MV88E6XXX_REGION_GLOBAL2,
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| 	MV88E6XXX_REGION_ATU,
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| 	MV88E6XXX_REGION_VTU,
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| 	MV88E6XXX_REGION_PVT,
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| 
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| 	_MV88E6XXX_REGION_MAX,
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| };
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| 
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| struct mv88e6xxx_region_priv {
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| 	enum mv88e6xxx_region_id id;
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| };
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| 
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| struct mv88e6xxx_chip {
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| 	const struct mv88e6xxx_info *info;
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| 
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| 	/* Currently configured tagging protocol */
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| 	enum dsa_tag_protocol tag_protocol;
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| 
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| 	/* The dsa_switch this private structure is related to */
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| 	struct dsa_switch *ds;
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| 
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| 	/* The device this structure is associated to */
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| 	struct device *dev;
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| 
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| 	/* This mutex protects the access to the switch registers */
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| 	struct mutex reg_lock;
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| 
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| 	/* The MII bus and the address on the bus that is used to
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| 	 * communication with the switch
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| 	 */
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| 	const struct mv88e6xxx_bus_ops *smi_ops;
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| 	struct mii_bus *bus;
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| 	int sw_addr;
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| 
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| 	/* Handles automatic disabling and re-enabling of the PHY
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| 	 * polling unit.
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| 	 */
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| 	const struct mv88e6xxx_bus_ops *phy_ops;
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| 	struct mutex		ppu_mutex;
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| 	int			ppu_disabled;
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| 	struct work_struct	ppu_work;
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| 	struct timer_list	ppu_timer;
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| 
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| 	/* This mutex serialises access to the statistics unit.
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| 	 * Hold this mutex over snapshot + dump sequences.
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| 	 */
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| 	struct mutex	stats_mutex;
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| 
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| 	/* A switch may have a GPIO line tied to its reset pin. Parse
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| 	 * this from the device tree, and use it before performing
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| 	 * switch soft reset.
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| 	 */
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| 	struct gpio_desc *reset;
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| 
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| 	/* set to size of eeprom if supported by the switch */
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| 	u32 eeprom_len;
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| 
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| 	/* List of mdio busses */
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| 	struct list_head mdios;
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| 
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| 	/* Policy Control List IDs and rules */
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| 	struct idr policies;
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| 
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| 	/* There can be two interrupt controllers, which are chained
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| 	 * off a GPIO as interrupt source
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| 	 */
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| 	struct mv88e6xxx_irq g1_irq;
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| 	struct mv88e6xxx_irq g2_irq;
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| 	int irq;
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| 	char irq_name[64];
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| 	int device_irq;
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| 	char device_irq_name[64];
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| 	int watchdog_irq;
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| 	char watchdog_irq_name[64];
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| 
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| 	int atu_prob_irq;
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| 	char atu_prob_irq_name[64];
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| 	int vtu_prob_irq;
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| 	char vtu_prob_irq_name[64];
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| 	struct kthread_worker *kworker;
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| 	struct kthread_delayed_work irq_poll_work;
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| 
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| 	/* GPIO resources */
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| 	u8 gpio_data[2];
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| 
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| 	/* This cyclecounter abstracts the switch PTP time.
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| 	 * reg_lock must be held for any operation that read()s.
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| 	 */
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| 	struct cyclecounter	tstamp_cc;
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| 	struct timecounter	tstamp_tc;
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| 	struct delayed_work	overflow_work;
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| 
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| 	struct ptp_clock	*ptp_clock;
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| 	struct ptp_clock_info	ptp_clock_info;
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| 	struct delayed_work	tai_event_work;
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| 	struct ptp_pin_desc	pin_config[MV88E6XXX_MAX_GPIO];
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| 	u16 trig_config;
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| 	u16 evcap_config;
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| 	u16 enable_count;
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| 
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| 	/* Current ingress and egress monitor ports */
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| 	int egress_dest_port;
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| 	int ingress_dest_port;
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| 
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| 	/* Per-port timestamping resources. */
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| 	struct mv88e6xxx_port_hwtstamp port_hwtstamp[DSA_MAX_PORTS];
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| 
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| 	/* Array of port structures. */
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| 	struct mv88e6xxx_port ports[DSA_MAX_PORTS];
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| 
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| 	/* devlink regions */
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| 	struct devlink_region *regions[_MV88E6XXX_REGION_MAX];
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| };
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| 
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| struct mv88e6xxx_bus_ops {
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| 	int (*read)(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val);
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| 	int (*write)(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val);
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| };
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| 
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| struct mv88e6xxx_mdio_bus {
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| 	struct mii_bus *bus;
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| 	struct mv88e6xxx_chip *chip;
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| 	struct list_head list;
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| 	bool external;
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| };
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| 
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| struct mv88e6xxx_ops {
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| 	/* Switch Setup Errata, called early in the switch setup to
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| 	 * allow any errata actions to be performed
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| 	 */
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| 	int (*setup_errata)(struct mv88e6xxx_chip *chip);
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| 
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| 	int (*ieee_pri_map)(struct mv88e6xxx_chip *chip);
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| 	int (*ip_pri_map)(struct mv88e6xxx_chip *chip);
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| 
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| 	/* Ingress Rate Limit unit (IRL) operations */
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| 	int (*irl_init_all)(struct mv88e6xxx_chip *chip, int port);
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| 
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| 	int (*get_eeprom)(struct mv88e6xxx_chip *chip,
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| 			  struct ethtool_eeprom *eeprom, u8 *data);
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| 	int (*set_eeprom)(struct mv88e6xxx_chip *chip,
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| 			  struct ethtool_eeprom *eeprom, u8 *data);
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| 
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| 	int (*set_switch_mac)(struct mv88e6xxx_chip *chip, u8 *addr);
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| 
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| 	int (*phy_read)(struct mv88e6xxx_chip *chip,
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| 			struct mii_bus *bus,
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| 			int addr, int reg, u16 *val);
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| 	int (*phy_write)(struct mv88e6xxx_chip *chip,
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| 			 struct mii_bus *bus,
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| 			 int addr, int reg, u16 val);
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| 
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| 	/* Priority Override Table operations */
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| 	int (*pot_clear)(struct mv88e6xxx_chip *chip);
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| 
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| 	/* PHY Polling Unit (PPU) operations */
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| 	int (*ppu_enable)(struct mv88e6xxx_chip *chip);
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| 	int (*ppu_disable)(struct mv88e6xxx_chip *chip);
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| 
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| 	/* Switch Software Reset */
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| 	int (*reset)(struct mv88e6xxx_chip *chip);
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| 
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| 	/* RGMII Receive/Transmit Timing Control
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| 	 * Add delay on PHY_INTERFACE_MODE_RGMII_*ID, no delay otherwise.
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| 	 */
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| 	int (*port_set_rgmii_delay)(struct mv88e6xxx_chip *chip, int port,
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| 				    phy_interface_t mode);
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| 
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| #define LINK_FORCED_DOWN	0
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| #define LINK_FORCED_UP		1
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| #define LINK_UNFORCED		-2
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| 
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| 	/* Port's MAC link state
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| 	 * Use LINK_FORCED_UP or LINK_FORCED_DOWN to force link up or down,
 | |
| 	 * or LINK_UNFORCED for normal link detection.
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| 	 */
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| 	int (*port_set_link)(struct mv88e6xxx_chip *chip, int port, int link);
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| 
 | |
| 	/* Synchronise the port link state with that of the SERDES
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| 	 */
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| 	int (*port_sync_link)(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup);
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| 
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| #define PAUSE_ON		1
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| #define PAUSE_OFF		0
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| 
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| 	/* Enable/disable sending Pause */
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| 	int (*port_set_pause)(struct mv88e6xxx_chip *chip, int port,
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| 			      int pause);
 | |
| 
 | |
| #define SPEED_MAX		INT_MAX
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| #define SPEED_UNFORCED		-2
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| #define DUPLEX_UNFORCED		-2
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| 
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| 	/* Port's MAC speed (in Mbps) and MAC duplex mode
 | |
| 	 *
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| 	 * Depending on the chip, 10, 100, 200, 1000, 2500, 10000 are valid.
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| 	 * Use SPEED_UNFORCED for normal detection, SPEED_MAX for max value.
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| 	 *
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| 	 * Use DUPLEX_HALF or DUPLEX_FULL to force half or full duplex,
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| 	 * or DUPLEX_UNFORCED for normal duplex detection.
 | |
| 	 */
 | |
| 	int (*port_set_speed_duplex)(struct mv88e6xxx_chip *chip, int port,
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| 				     int speed, int duplex);
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| 
 | |
| 	/* What interface mode should be used for maximum speed? */
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| 	phy_interface_t (*port_max_speed_mode)(int port);
 | |
| 
 | |
| 	int (*port_tag_remap)(struct mv88e6xxx_chip *chip, int port);
 | |
| 
 | |
| 	int (*port_set_policy)(struct mv88e6xxx_chip *chip, int port,
 | |
| 			       enum mv88e6xxx_policy_mapping mapping,
 | |
| 			       enum mv88e6xxx_policy_action action);
 | |
| 
 | |
| 	int (*port_set_frame_mode)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				   enum mv88e6xxx_frame_mode mode);
 | |
| 	int (*port_set_ucast_flood)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				    bool unicast);
 | |
| 	int (*port_set_mcast_flood)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				    bool multicast);
 | |
| 	int (*port_set_ether_type)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				   u16 etype);
 | |
| 	int (*port_set_jumbo_size)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				   size_t size);
 | |
| 
 | |
| 	int (*port_egress_rate_limiting)(struct mv88e6xxx_chip *chip, int port);
 | |
| 	int (*port_pause_limit)(struct mv88e6xxx_chip *chip, int port, u8 in,
 | |
| 				u8 out);
 | |
| 	int (*port_disable_learn_limit)(struct mv88e6xxx_chip *chip, int port);
 | |
| 	int (*port_disable_pri_override)(struct mv88e6xxx_chip *chip, int port);
 | |
| 	int (*port_setup_message_port)(struct mv88e6xxx_chip *chip, int port);
 | |
| 
 | |
| 	/* CMODE control what PHY mode the MAC will use, eg. SGMII, RGMII, etc.
 | |
| 	 * Some chips allow this to be configured on specific ports.
 | |
| 	 */
 | |
| 	int (*port_set_cmode)(struct mv88e6xxx_chip *chip, int port,
 | |
| 			      phy_interface_t mode);
 | |
| 	int (*port_get_cmode)(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
 | |
| 
 | |
| 	/* Some devices have a per port register indicating what is
 | |
| 	 * the upstream port this port should forward to.
 | |
| 	 */
 | |
| 	int (*port_set_upstream_port)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				      int upstream_port);
 | |
| 
 | |
| 	/* Snapshot the statistics for a port. The statistics can then
 | |
| 	 * be read back a leisure but still with a consistent view.
 | |
| 	 */
 | |
| 	int (*stats_snapshot)(struct mv88e6xxx_chip *chip, int port);
 | |
| 
 | |
| 	/* Set the histogram mode for statistics, when the control registers
 | |
| 	 * are separated out of the STATS_OP register.
 | |
| 	 */
 | |
| 	int (*stats_set_histogram)(struct mv88e6xxx_chip *chip);
 | |
| 
 | |
| 	/* Return the number of strings describing statistics */
 | |
| 	int (*stats_get_sset_count)(struct mv88e6xxx_chip *chip);
 | |
| 	int (*stats_get_strings)(struct mv88e6xxx_chip *chip,  uint8_t *data);
 | |
| 	int (*stats_get_stats)(struct mv88e6xxx_chip *chip,  int port,
 | |
| 			       uint64_t *data);
 | |
| 	int (*set_cpu_port)(struct mv88e6xxx_chip *chip, int port);
 | |
| 	int (*set_egress_port)(struct mv88e6xxx_chip *chip,
 | |
| 			       enum mv88e6xxx_egress_direction direction,
 | |
| 			       int port);
 | |
| 
 | |
| #define MV88E6XXX_CASCADE_PORT_NONE		0xe
 | |
| #define MV88E6XXX_CASCADE_PORT_MULTIPLE		0xf
 | |
| 
 | |
| 	int (*set_cascade_port)(struct mv88e6xxx_chip *chip, int port);
 | |
| 
 | |
| 	const struct mv88e6xxx_irq_ops *watchdog_ops;
 | |
| 
 | |
| 	int (*mgmt_rsvd2cpu)(struct mv88e6xxx_chip *chip);
 | |
| 
 | |
| 	/* Power on/off a SERDES interface */
 | |
| 	int (*serdes_power)(struct mv88e6xxx_chip *chip, int port, int lane,
 | |
| 			    bool up);
 | |
| 
 | |
| 	/* SERDES lane mapping */
 | |
| 	int (*serdes_get_lane)(struct mv88e6xxx_chip *chip, int port);
 | |
| 
 | |
| 	int (*serdes_pcs_get_state)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				    int lane, struct phylink_link_state *state);
 | |
| 	int (*serdes_pcs_config)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				 int lane, unsigned int mode,
 | |
| 				 phy_interface_t interface,
 | |
| 				 const unsigned long *advertise);
 | |
| 	int (*serdes_pcs_an_restart)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				     int lane);
 | |
| 	int (*serdes_pcs_link_up)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				  int lane, int speed, int duplex);
 | |
| 
 | |
| 	/* SERDES interrupt handling */
 | |
| 	unsigned int (*serdes_irq_mapping)(struct mv88e6xxx_chip *chip,
 | |
| 					   int port);
 | |
| 	int (*serdes_irq_enable)(struct mv88e6xxx_chip *chip, int port, int lane,
 | |
| 				 bool enable);
 | |
| 	irqreturn_t (*serdes_irq_status)(struct mv88e6xxx_chip *chip, int port,
 | |
| 					 int lane);
 | |
| 
 | |
| 	/* Statistics from the SERDES interface */
 | |
| 	int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port);
 | |
| 	int (*serdes_get_strings)(struct mv88e6xxx_chip *chip,  int port,
 | |
| 				  uint8_t *data);
 | |
| 	int (*serdes_get_stats)(struct mv88e6xxx_chip *chip,  int port,
 | |
| 				uint64_t *data);
 | |
| 
 | |
| 	/* SERDES registers for ethtool */
 | |
| 	int (*serdes_get_regs_len)(struct mv88e6xxx_chip *chip,  int port);
 | |
| 	void (*serdes_get_regs)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				void *_p);
 | |
| 
 | |
| 	/* Address Translation Unit operations */
 | |
| 	int (*atu_get_hash)(struct mv88e6xxx_chip *chip, u8 *hash);
 | |
| 	int (*atu_set_hash)(struct mv88e6xxx_chip *chip, u8 hash);
 | |
| 
 | |
| 	/* VLAN Translation Unit operations */
 | |
| 	int (*vtu_getnext)(struct mv88e6xxx_chip *chip,
 | |
| 			   struct mv88e6xxx_vtu_entry *entry);
 | |
| 	int (*vtu_loadpurge)(struct mv88e6xxx_chip *chip,
 | |
| 			     struct mv88e6xxx_vtu_entry *entry);
 | |
| 
 | |
| 	/* GPIO operations */
 | |
| 	const struct mv88e6xxx_gpio_ops *gpio_ops;
 | |
| 
 | |
| 	/* Interface to the AVB/PTP registers */
 | |
| 	const struct mv88e6xxx_avb_ops *avb_ops;
 | |
| 
 | |
| 	/* Remote Management Unit operations */
 | |
| 	int (*rmu_disable)(struct mv88e6xxx_chip *chip);
 | |
| 
 | |
| 	/* Precision Time Protocol operations */
 | |
| 	const struct mv88e6xxx_ptp_ops *ptp_ops;
 | |
| 
 | |
| 	/* Phylink */
 | |
| 	void (*phylink_validate)(struct mv88e6xxx_chip *chip, int port,
 | |
| 				 unsigned long *mask,
 | |
| 				 struct phylink_link_state *state);
 | |
| 
 | |
| 	/* Max Frame Size */
 | |
| 	int (*set_max_frame_size)(struct mv88e6xxx_chip *chip, int mtu);
 | |
| };
 | |
| 
 | |
| struct mv88e6xxx_irq_ops {
 | |
| 	/* Action to be performed when the interrupt happens */
 | |
| 	int (*irq_action)(struct mv88e6xxx_chip *chip, int irq);
 | |
| 	/* Setup the hardware to generate the interrupt */
 | |
| 	int (*irq_setup)(struct mv88e6xxx_chip *chip);
 | |
| 	/* Reset the hardware to stop generating the interrupt */
 | |
| 	void (*irq_free)(struct mv88e6xxx_chip *chip);
 | |
| };
 | |
| 
 | |
| struct mv88e6xxx_gpio_ops {
 | |
| 	/* Get/set data on GPIO pin */
 | |
| 	int (*get_data)(struct mv88e6xxx_chip *chip, unsigned int pin);
 | |
| 	int (*set_data)(struct mv88e6xxx_chip *chip, unsigned int pin,
 | |
| 			int value);
 | |
| 
 | |
| 	/* get/set GPIO direction */
 | |
| 	int (*get_dir)(struct mv88e6xxx_chip *chip, unsigned int pin);
 | |
| 	int (*set_dir)(struct mv88e6xxx_chip *chip, unsigned int pin,
 | |
| 		       bool input);
 | |
| 
 | |
| 	/* get/set GPIO pin control */
 | |
| 	int (*get_pctl)(struct mv88e6xxx_chip *chip, unsigned int pin,
 | |
| 			int *func);
 | |
| 	int (*set_pctl)(struct mv88e6xxx_chip *chip, unsigned int pin,
 | |
| 			int func);
 | |
| };
 | |
| 
 | |
| struct mv88e6xxx_avb_ops {
 | |
| 	/* Access port-scoped Precision Time Protocol registers */
 | |
| 	int (*port_ptp_read)(struct mv88e6xxx_chip *chip, int port, int addr,
 | |
| 			     u16 *data, int len);
 | |
| 	int (*port_ptp_write)(struct mv88e6xxx_chip *chip, int port, int addr,
 | |
| 			      u16 data);
 | |
| 
 | |
| 	/* Access global Precision Time Protocol registers */
 | |
| 	int (*ptp_read)(struct mv88e6xxx_chip *chip, int addr, u16 *data,
 | |
| 			int len);
 | |
| 	int (*ptp_write)(struct mv88e6xxx_chip *chip, int addr, u16 data);
 | |
| 
 | |
| 	/* Access global Time Application Interface registers */
 | |
| 	int (*tai_read)(struct mv88e6xxx_chip *chip, int addr, u16 *data,
 | |
| 			int len);
 | |
| 	int (*tai_write)(struct mv88e6xxx_chip *chip, int addr, u16 data);
 | |
| };
 | |
| 
 | |
| struct mv88e6xxx_ptp_ops {
 | |
| 	u64 (*clock_read)(const struct cyclecounter *cc);
 | |
| 	int (*ptp_enable)(struct ptp_clock_info *ptp,
 | |
| 			  struct ptp_clock_request *rq, int on);
 | |
| 	int (*ptp_verify)(struct ptp_clock_info *ptp, unsigned int pin,
 | |
| 			  enum ptp_pin_function func, unsigned int chan);
 | |
| 	void (*event_work)(struct work_struct *ugly);
 | |
| 	int (*port_enable)(struct mv88e6xxx_chip *chip, int port);
 | |
| 	int (*port_disable)(struct mv88e6xxx_chip *chip, int port);
 | |
| 	int (*global_enable)(struct mv88e6xxx_chip *chip);
 | |
| 	int (*global_disable)(struct mv88e6xxx_chip *chip);
 | |
| 	int n_ext_ts;
 | |
| 	int arr0_sts_reg;
 | |
| 	int arr1_sts_reg;
 | |
| 	int dep_sts_reg;
 | |
| 	u32 rx_filters;
 | |
| 	u32 cc_shift;
 | |
| 	u32 cc_mult;
 | |
| 	u32 cc_mult_num;
 | |
| 	u32 cc_mult_dem;
 | |
| };
 | |
| 
 | |
| #define STATS_TYPE_PORT		BIT(0)
 | |
| #define STATS_TYPE_BANK0	BIT(1)
 | |
| #define STATS_TYPE_BANK1	BIT(2)
 | |
| 
 | |
| struct mv88e6xxx_hw_stat {
 | |
| 	char string[ETH_GSTRING_LEN];
 | |
| 	size_t size;
 | |
| 	int reg;
 | |
| 	int type;
 | |
| };
 | |
| 
 | |
| static inline bool mv88e6xxx_has_pvt(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return chip->info->pvt;
 | |
| }
 | |
| 
 | |
| static inline bool mv88e6xxx_has_lag(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return !!chip->info->global2_addr;
 | |
| }
 | |
| 
 | |
| static inline unsigned int mv88e6xxx_num_databases(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return chip->info->num_databases;
 | |
| }
 | |
| 
 | |
| static inline unsigned int mv88e6xxx_num_macs(struct  mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return chip->info->num_macs;
 | |
| }
 | |
| 
 | |
| static inline unsigned int mv88e6xxx_num_ports(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return chip->info->num_ports;
 | |
| }
 | |
| 
 | |
| static inline unsigned int mv88e6xxx_max_vid(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return chip->info->max_vid;
 | |
| }
 | |
| 
 | |
| static inline u16 mv88e6xxx_port_mask(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return GENMASK((s32)mv88e6xxx_num_ports(chip) - 1, 0);
 | |
| }
 | |
| 
 | |
| static inline unsigned int mv88e6xxx_num_gpio(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	return chip->info->num_gpio;
 | |
| }
 | |
| 
 | |
| static inline bool mv88e6xxx_is_invalid_port(struct mv88e6xxx_chip *chip, int port)
 | |
| {
 | |
| 	return (chip->info->invalid_port_mask & BIT(port)) != 0;
 | |
| }
 | |
| 
 | |
| int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val);
 | |
| int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val);
 | |
| int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg,
 | |
| 			u16 mask, u16 val);
 | |
| int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
 | |
| 		       int bit, int val);
 | |
| struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip);
 | |
| 
 | |
| static inline void mv88e6xxx_reg_lock(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	mutex_lock(&chip->reg_lock);
 | |
| }
 | |
| 
 | |
| static inline void mv88e6xxx_reg_unlock(struct mv88e6xxx_chip *chip)
 | |
| {
 | |
| 	mutex_unlock(&chip->reg_lock);
 | |
| }
 | |
| 
 | |
| int mv88e6xxx_fid_map(struct mv88e6xxx_chip *chip, unsigned long *bitmap);
 | |
| 
 | |
| #endif /* _MV88E6XXX_CHIP_H */
 |