/* SPDX-License-Identifier: GPL-2.0
* Copyright (c) 2018, Sensor-Technik Wiedemann GmbH
* Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com>
*/
#ifndef _SJA1105_H
#define _SJA1105_H
#include <linux/ptp_clock_kernel.h>
#include <linux/timecounter.h>
#include <linux/dsa/sja1105.h>
#include <net/dsa.h>
#include <linux/mutex.h>
#include "sja1105_static_config.h"
#define SJA1105_NUM_PORTS 5
#define SJA1105_NUM_TC 8
#define SJA1105ET_FDB_BIN_SIZE 4
/* The hardware value is in multiples of 10 ms.
* The passed parameter is in multiples of 1 ms.
*/
#define SJA1105_AGEING_TIME_MS(ms) ((ms) / 10)
/* Keeps the different addresses between E/T and P/Q/R/S */
struct sja1105_regs {
u64 device_id;
u64 prod_id;
u64 status;
u64 port_control;
u64 rgu;
u64 config;
u64 rmii_pll1;
u64 ptp_control;
u64 ptpclk;
u64 ptpclkrate;
u64 ptptsclk;
u64 ptpegr_ts[SJA1105_NUM_PORTS];
u64 pad_mii_tx[SJA1105_NUM_PORTS];
u64 pad_mii_id[SJA1105_NUM_PORTS];
u64 cgu_idiv[SJA1105_NUM_PORTS];
u64 mii_tx_clk[SJA1105_NUM_PORTS];
u64 mii_rx_clk[SJA1105_NUM_PORTS];
u64 mii_ext_tx_clk[SJA1105_NUM_PORTS];
u64 mii_ext_rx_clk[SJA1105_NUM_PORTS];
u64 rgmii_tx_clk[SJA1105_NUM_PORTS];
u64 rmii_ref_clk[SJA1105_NUM_PORTS];
u64 rmii_ext_tx_clk[SJA1105_NUM_PORTS];
u64 mac[SJA1105_NUM_PORTS];
u64 mac_hl1[SJA1105_NUM_PORTS];
u64 mac_hl2[SJA1105_NUM_PORTS];
u64 qlevel[SJA1105_NUM_PORTS];
};
struct sja1105_info {
u64 device_id;
/* Needed for distinction between P and R, and between Q and S
* (since the parts with/without SGMII share the same
* switch core and device_id)
*/
u64 part_no;
/* E/T and P/Q/R/S have partial timestamps of different sizes.
* They must be reconstructed on both families anyway to get the full
* 64-bit values back.
*/
int ptp_ts_bits;
/* Also SPI commands are of different sizes to retrieve
* the egress timestamps.
*/
int ptpegr_ts_bytes;
const struct sja1105_dynamic_table_ops *dyn_ops;
const struct sja1105_table_ops *static_ops;
const struct sja1105_regs *regs;
int (*ptp_cmd)(const void *ctx, const void *data);
int (*reset_cmd)(const void *ctx, const void *data);
int (*setup_rgmii_delay)(const void *ctx, int port);
/* Prototypes from include/net/dsa.h */
int (*fdb_add_cmd)(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid);
int (*fdb_del_cmd)(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid);
const char *name;
};
struct sja1105_private {
struct sja1105_static_config static_config;
bool rgmii_rx_delay[SJA1105_NUM_PORTS];
bool rgmii_tx_delay[SJA1105_NUM_PORTS];
const struct sja1105_info *info;
struct gpio_desc *reset_gpio;
struct spi_device *spidev;
struct dsa_switch *ds;
struct sja1105_port ports[SJA1105_NUM_PORTS];
struct ptp_clock_info ptp_caps;
struct ptp_clock *clock;
/* The cycle counter translates the PTP timestamps (based on
* a free-running counter) into a software time domain.
*/
struct cyclecounter tstamp_cc;
struct timecounter tstamp_tc;
struct delayed_work refresh_work;
/* Serializes all operations on the cycle counter */
struct mutex ptp_lock;
/* Serializes transmission of management frames so that
* the switch doesn't confuse them with one another.
*/
struct mutex mgmt_lock;
struct sja1105_tagger_data tagger_data;
};
#include "sja1105_dynamic_config.h"
#include "sja1105_ptp.h"
struct sja1105_spi_message {
u64 access;
u64 read_count;
u64 address;
};
typedef enum {
SPI_READ = 0,
SPI_WRITE = 1,
} sja1105_spi_rw_mode_t;
/* From sja1105_spi.c */
int sja1105_spi_send_packed_buf(const struct sja1105_private *priv,
sja1105_spi_rw_mode_t rw, u64 reg_addr,
void *packed_buf, size_t size_bytes);
int sja1105_spi_send_int(const struct sja1105_private *priv,
sja1105_spi_rw_mode_t rw, u64 reg_addr,
u64 *value, u64 size_bytes);
int sja1105_spi_send_long_packed_buf(const struct sja1105_private *priv,
sja1105_spi_rw_mode_t rw, u64 base_addr,
void *packed_buf, u64 buf_len);
int sja1105_static_config_upload(struct sja1105_private *priv);
int sja1105_inhibit_tx(const struct sja1105_private *priv,
unsigned long port_bitmap, bool tx_inhibited);
extern struct sja1105_info sja1105e_info;
extern struct sja1105_info sja1105t_info;
extern struct sja1105_info sja1105p_info;
extern struct sja1105_info sja1105q_info;
extern struct sja1105_info sja1105r_info;
extern struct sja1105_info sja1105s_info;
/* From sja1105_clocking.c */
typedef enum {
XMII_MAC = 0,
XMII_PHY = 1,
} sja1105_mii_role_t;
typedef enum {
XMII_MODE_MII = 0,
XMII_MODE_RMII = 1,
XMII_MODE_RGMII = 2,
} sja1105_phy_interface_t;
typedef enum {
SJA1105_SPEED_10MBPS = 3,
SJA1105_SPEED_100MBPS = 2,
SJA1105_SPEED_1000MBPS = 1,
SJA1105_SPEED_AUTO = 0,
} sja1105_speed_t;
int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port);
int sja1105_clocking_setup_port(struct sja1105_private *priv, int port);
int sja1105_clocking_setup(struct sja1105_private *priv);
/* From sja1105_ethtool.c */
void sja1105_get_ethtool_stats(struct dsa_switch *ds, int port, u64 *data);
void sja1105_get_strings(struct dsa_switch *ds, int port,
u32 stringset, u8 *data);
int sja1105_get_sset_count(struct dsa_switch *ds, int port, int sset);
/* From sja1105_dynamic_config.c */
int sja1105_dynamic_config_read(struct sja1105_private *priv,
enum sja1105_blk_idx blk_idx,
int index, void *entry);
int sja1105_dynamic_config_write(struct sja1105_private *priv,
enum sja1105_blk_idx blk_idx,
int index, void *entry, bool keep);
enum sja1105_iotag {
SJA1105_C_TAG = 0, /* Inner VLAN header */
SJA1105_S_TAG = 1, /* Outer VLAN header */
};
u8 sja1105et_fdb_hash(struct sja1105_private *priv, const u8 *addr, u16 vid);
int sja1105et_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid);
int sja1105et_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid);
int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid);
int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid);
/* Common implementations for the static and dynamic configs */
size_t sja1105_l2_forwarding_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
size_t sja1105pqrs_l2_lookup_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
size_t sja1105et_l2_lookup_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
size_t sja1105pqrs_mac_config_entry_packing(void *buf, void *entry_ptr,
enum packing_op op);
#endif
