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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2016-2018, NXP Semiconductors
 * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com>
 */
#ifndef _SJA1105_STATIC_CONFIG_H
#define _SJA1105_STATIC_CONFIG_H

#include <linux/packing.h>
#include <linux/types.h>
#include <asm/types.h>

#define SJA1105_SIZE_DEVICE_ID				4
#define SJA1105_SIZE_TABLE_HEADER			12
#define SJA1105_SIZE_L2_POLICING_ENTRY			8
#define SJA1105_SIZE_VLAN_LOOKUP_ENTRY			8
#define SJA1105_SIZE_L2_FORWARDING_ENTRY		8
#define SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY		12
#define SJA1105_SIZE_XMII_PARAMS_ENTRY			4
#define SJA1105ET_SIZE_L2_LOOKUP_ENTRY			12
#define SJA1105ET_SIZE_MAC_CONFIG_ENTRY			28
#define SJA1105ET_SIZE_L2_LOOKUP_PARAMS_ENTRY		4
#define SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY		40
#define SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY		20
#define SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY		32
#define SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY		16
#define SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY		44

/* UM10944.pdf Page 11, Table 2. Configuration Blocks */
enum {
	BLKID_L2_LOOKUP					= 0x05,
	BLKID_L2_POLICING				= 0x06,
	BLKID_VLAN_LOOKUP				= 0x07,
	BLKID_L2_FORWARDING				= 0x08,
	BLKID_MAC_CONFIG				= 0x09,
	BLKID_L2_LOOKUP_PARAMS				= 0x0D,
	BLKID_L2_FORWARDING_PARAMS			= 0x0E,
	BLKID_GENERAL_PARAMS				= 0x11,
	BLKID_XMII_PARAMS				= 0x4E,
};

enum sja1105_blk_idx {
	BLK_IDX_L2_LOOKUP = 0,
	BLK_IDX_L2_POLICING,
	BLK_IDX_VLAN_LOOKUP,
	BLK_IDX_L2_FORWARDING,
	BLK_IDX_MAC_CONFIG,
	BLK_IDX_L2_LOOKUP_PARAMS,
	BLK_IDX_L2_FORWARDING_PARAMS,
	BLK_IDX_GENERAL_PARAMS,
	BLK_IDX_XMII_PARAMS,
	BLK_IDX_MAX,
	/* Fake block indices that are only valid for dynamic access */
	BLK_IDX_MGMT_ROUTE,
	BLK_IDX_MAX_DYN,
	BLK_IDX_INVAL = -1,
};

#define SJA1105_MAX_L2_LOOKUP_COUNT			1024
#define SJA1105_MAX_L2_POLICING_COUNT			45
#define SJA1105_MAX_VLAN_LOOKUP_COUNT			4096
#define SJA1105_MAX_L2_FORWARDING_COUNT			13
#define SJA1105_MAX_MAC_CONFIG_COUNT			5
#define SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT		1
#define SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT		1
#define SJA1105_MAX_GENERAL_PARAMS_COUNT		1
#define SJA1105_MAX_XMII_PARAMS_COUNT			1

#define SJA1105_MAX_FRAME_MEMORY			929

#define SJA1105E_DEVICE_ID				0x9C00000Cull
#define SJA1105T_DEVICE_ID				0x9E00030Eull
#define SJA1105PR_DEVICE_ID				0xAF00030Eull
#define SJA1105QS_DEVICE_ID				0xAE00030Eull

#define SJA1105ET_PART_NO				0x9A83
#define SJA1105P_PART_NO				0x9A84
#define SJA1105Q_PART_NO				0x9A85
#define SJA1105R_PART_NO				0x9A86
#define SJA1105S_PART_NO				0x9A87

struct sja1105_general_params_entry {
	u64 vllupformat;
	u64 mirr_ptacu;
	u64 switchid;
	u64 hostprio;
	u64 mac_fltres1;
	u64 mac_fltres0;
	u64 mac_flt1;
	u64 mac_flt0;
	u64 incl_srcpt1;
	u64 incl_srcpt0;
	u64 send_meta1;
	u64 send_meta0;
	u64 casc_port;
	u64 host_port;
	u64 mirr_port;
	u64 vlmarker;
	u64 vlmask;
	u64 tpid;
	u64 ignore2stf;
	u64 tpid2;
	/* P/Q/R/S only */
	u64 queue_ts;
	u64 egrmirrvid;
	u64 egrmirrpcp;
	u64 egrmirrdei;
	u64 replay_port;
};

struct sja1105_vlan_lookup_entry {
	u64 ving_mirr;
	u64 vegr_mirr;
	u64 vmemb_port;
	u64 vlan_bc;
	u64 tag_port;
	u64 vlanid;
};

struct sja1105_l2_lookup_entry {
	u64 vlanid;
	u64 macaddr;
	u64 destports;
	u64 enfport;
	u64 index;
};

struct sja1105_l2_lookup_params_entry {
	u64 maxage;          /* Shared */
	u64 dyn_tbsz;        /* E/T only */
	u64 poly;            /* E/T only */
	u64 shared_learn;    /* Shared */
	u64 no_enf_hostprt;  /* Shared */
	u64 no_mgmt_learn;   /* Shared */
};

struct sja1105_l2_forwarding_entry {
	u64 bc_domain;
	u64 reach_port;
	u64 fl_domain;
	u64 vlan_pmap[8];
};

struct sja1105_l2_forwarding_params_entry {
	u64 max_dynp;
	u64 part_spc[8];
};

struct sja1105_l2_policing_entry {
	u64 sharindx;
	u64 smax;
	u64 rate;
	u64 maxlen;
	u64 partition;
};

struct sja1105_mac_config_entry {
	u64 top[8];
	u64 base[8];
	u64 enabled[8];
	u64 ifg;
	u64 speed;
	u64 tp_delin;
	u64 tp_delout;
	u64 maxage;
	u64 vlanprio;
	u64 vlanid;
	u64 ing_mirr;
	u64 egr_mirr;
	u64 drpnona664;
	u64 drpdtag;
	u64 drpuntag;
	u64 retag;
	u64 dyn_learn;
	u64 egress;
	u64 ingress;
};

struct sja1105_xmii_params_entry {
	u64 phy_mac[5];
	u64 xmii_mode[5];
};

struct sja1105_table_header {
	u64 block_id;
	u64 len;
	u64 crc;
};

struct sja1105_table_ops {
	size_t (*packing)(void *buf, void *entry_ptr, enum packing_op op);
	size_t unpacked_entry_size;
	size_t packed_entry_size;
	size_t max_entry_count;
};

struct sja1105_table {
	const struct sja1105_table_ops *ops;
	size_t entry_count;
	void *entries;
};

struct sja1105_static_config {
	u64 device_id;
	struct sja1105_table tables[BLK_IDX_MAX];
};

extern struct sja1105_table_ops sja1105e_table_ops[BLK_IDX_MAX];
extern struct sja1105_table_ops sja1105t_table_ops[BLK_IDX_MAX];
extern struct sja1105_table_ops sja1105p_table_ops[BLK_IDX_MAX];
extern struct sja1105_table_ops sja1105q_table_ops[BLK_IDX_MAX];
extern struct sja1105_table_ops sja1105r_table_ops[BLK_IDX_MAX];
extern struct sja1105_table_ops sja1105s_table_ops[BLK_IDX_MAX];

size_t sja1105_table_header_packing(void *buf, void *hdr, enum packing_op op);
void
sja1105_table_header_pack_with_crc(void *buf, struct sja1105_table_header *hdr);
size_t
sja1105_static_config_get_length(const struct sja1105_static_config *config);

typedef enum {
	SJA1105_CONFIG_OK = 0,
	SJA1105_MISSING_L2_POLICING_TABLE,
	SJA1105_MISSING_L2_FORWARDING_TABLE,
	SJA1105_MISSING_L2_FORWARDING_PARAMS_TABLE,
	SJA1105_MISSING_GENERAL_PARAMS_TABLE,
	SJA1105_MISSING_VLAN_TABLE,
	SJA1105_MISSING_XMII_TABLE,
	SJA1105_MISSING_MAC_TABLE,
	SJA1105_OVERCOMMITTED_FRAME_MEMORY,
} sja1105_config_valid_t;

extern const char *sja1105_static_config_error_msg[];

sja1105_config_valid_t
sja1105_static_config_check_valid(const struct sja1105_static_config *config);
void
sja1105_static_config_pack(void *buf, struct sja1105_static_config *config);
int sja1105_static_config_init(struct sja1105_static_config *config,
			       const struct sja1105_table_ops *static_ops,
			       u64 device_id);
void sja1105_static_config_free(struct sja1105_static_config *config);

int sja1105_table_delete_entry(struct sja1105_table *table, int i);
int sja1105_table_resize(struct sja1105_table *table, size_t new_count);

u32 sja1105_crc32(const void *buf, size_t len);

void sja1105_pack(void *buf, const u64 *val, int start, int end, size_t len);
void sja1105_unpack(const void *buf, u64 *val, int start, int end, size_t len);
void sja1105_packing(void *buf, u64 *val, int start, int end,
		     size_t len, enum packing_op op);

#endif