1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Sensor-Technik Wiedemann GmbH 3 * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> 4 */ 5 #ifndef _SJA1105_H 6 #define _SJA1105_H 7 8 #include <linux/ptp_clock_kernel.h> 9 #include <linux/timecounter.h> 10 #include <linux/dsa/sja1105.h> 11 #include <net/dsa.h> 12 #include <linux/mutex.h> 13 #include "sja1105_static_config.h" 14 15 #define SJA1105_NUM_PORTS 5 16 #define SJA1105_NUM_TC 8 17 #define SJA1105ET_FDB_BIN_SIZE 4 18 /* The hardware value is in multiples of 10 ms. 19 * The passed parameter is in multiples of 1 ms. 20 */ 21 #define SJA1105_AGEING_TIME_MS(ms) ((ms) / 10) 22 #define SJA1105_NUM_L2_POLICERS 45 23 24 typedef enum { 25 SPI_READ = 0, 26 SPI_WRITE = 1, 27 } sja1105_spi_rw_mode_t; 28 29 #include "sja1105_tas.h" 30 #include "sja1105_ptp.h" 31 32 /* Keeps the different addresses between E/T and P/Q/R/S */ 33 struct sja1105_regs { 34 u64 device_id; 35 u64 prod_id; 36 u64 status; 37 u64 port_control; 38 u64 rgu; 39 u64 config; 40 u64 sgmii; 41 u64 rmii_pll1; 42 u64 ptppinst; 43 u64 ptppindur; 44 u64 ptp_control; 45 u64 ptpclkval; 46 u64 ptpclkrate; 47 u64 ptpclkcorp; 48 u64 ptpsyncts; 49 u64 ptpschtm; 50 u64 ptpegr_ts[SJA1105_NUM_PORTS]; 51 u64 pad_mii_tx[SJA1105_NUM_PORTS]; 52 u64 pad_mii_rx[SJA1105_NUM_PORTS]; 53 u64 pad_mii_id[SJA1105_NUM_PORTS]; 54 u64 cgu_idiv[SJA1105_NUM_PORTS]; 55 u64 mii_tx_clk[SJA1105_NUM_PORTS]; 56 u64 mii_rx_clk[SJA1105_NUM_PORTS]; 57 u64 mii_ext_tx_clk[SJA1105_NUM_PORTS]; 58 u64 mii_ext_rx_clk[SJA1105_NUM_PORTS]; 59 u64 rgmii_tx_clk[SJA1105_NUM_PORTS]; 60 u64 rmii_ref_clk[SJA1105_NUM_PORTS]; 61 u64 rmii_ext_tx_clk[SJA1105_NUM_PORTS]; 62 u64 mac[SJA1105_NUM_PORTS]; 63 u64 mac_hl1[SJA1105_NUM_PORTS]; 64 u64 mac_hl2[SJA1105_NUM_PORTS]; 65 u64 ether_stats[SJA1105_NUM_PORTS]; 66 u64 qlevel[SJA1105_NUM_PORTS]; 67 }; 68 69 struct sja1105_info { 70 u64 device_id; 71 /* Needed for distinction between P and R, and between Q and S 72 * (since the parts with/without SGMII share the same 73 * switch core and device_id) 74 */ 75 u64 part_no; 76 /* E/T and P/Q/R/S have partial timestamps of different sizes. 77 * They must be reconstructed on both families anyway to get the full 78 * 64-bit values back. 79 */ 80 int ptp_ts_bits; 81 /* Also SPI commands are of different sizes to retrieve 82 * the egress timestamps. 83 */ 84 int ptpegr_ts_bytes; 85 const struct sja1105_dynamic_table_ops *dyn_ops; 86 const struct sja1105_table_ops *static_ops; 87 const struct sja1105_regs *regs; 88 int (*reset_cmd)(struct dsa_switch *ds); 89 int (*setup_rgmii_delay)(const void *ctx, int port); 90 /* Prototypes from include/net/dsa.h */ 91 int (*fdb_add_cmd)(struct dsa_switch *ds, int port, 92 const unsigned char *addr, u16 vid); 93 int (*fdb_del_cmd)(struct dsa_switch *ds, int port, 94 const unsigned char *addr, u16 vid); 95 void (*ptp_cmd_packing)(u8 *buf, struct sja1105_ptp_cmd *cmd, 96 enum packing_op op); 97 const char *name; 98 }; 99 100 enum sja1105_rule_type { 101 SJA1105_RULE_BCAST_POLICER, 102 SJA1105_RULE_TC_POLICER, 103 }; 104 105 struct sja1105_rule { 106 struct list_head list; 107 unsigned long cookie; 108 unsigned long port_mask; 109 enum sja1105_rule_type type; 110 111 union { 112 /* SJA1105_RULE_BCAST_POLICER */ 113 struct { 114 int sharindx; 115 } bcast_pol; 116 117 /* SJA1105_RULE_TC_POLICER */ 118 struct { 119 int sharindx; 120 int tc; 121 } tc_pol; 122 }; 123 }; 124 125 struct sja1105_flow_block { 126 struct list_head rules; 127 bool l2_policer_used[SJA1105_NUM_L2_POLICERS]; 128 }; 129 130 struct sja1105_private { 131 struct sja1105_static_config static_config; 132 bool rgmii_rx_delay[SJA1105_NUM_PORTS]; 133 bool rgmii_tx_delay[SJA1105_NUM_PORTS]; 134 const struct sja1105_info *info; 135 struct gpio_desc *reset_gpio; 136 struct spi_device *spidev; 137 struct dsa_switch *ds; 138 struct sja1105_flow_block flow_block; 139 struct sja1105_port ports[SJA1105_NUM_PORTS]; 140 /* Serializes transmission of management frames so that 141 * the switch doesn't confuse them with one another. 142 */ 143 struct mutex mgmt_lock; 144 struct sja1105_tagger_data tagger_data; 145 struct sja1105_ptp_data ptp_data; 146 struct sja1105_tas_data tas_data; 147 }; 148 149 #include "sja1105_dynamic_config.h" 150 151 struct sja1105_spi_message { 152 u64 access; 153 u64 read_count; 154 u64 address; 155 }; 156 157 /* From sja1105_main.c */ 158 enum sja1105_reset_reason { 159 SJA1105_VLAN_FILTERING = 0, 160 SJA1105_RX_HWTSTAMPING, 161 SJA1105_AGEING_TIME, 162 SJA1105_SCHEDULING, 163 SJA1105_BEST_EFFORT_POLICING, 164 }; 165 166 int sja1105_static_config_reload(struct sja1105_private *priv, 167 enum sja1105_reset_reason reason); 168 169 /* From sja1105_spi.c */ 170 int sja1105_xfer_buf(const struct sja1105_private *priv, 171 sja1105_spi_rw_mode_t rw, u64 reg_addr, 172 u8 *buf, size_t len); 173 int sja1105_xfer_u32(const struct sja1105_private *priv, 174 sja1105_spi_rw_mode_t rw, u64 reg_addr, u32 *value, 175 struct ptp_system_timestamp *ptp_sts); 176 int sja1105_xfer_u64(const struct sja1105_private *priv, 177 sja1105_spi_rw_mode_t rw, u64 reg_addr, u64 *value, 178 struct ptp_system_timestamp *ptp_sts); 179 int sja1105_static_config_upload(struct sja1105_private *priv); 180 int sja1105_inhibit_tx(const struct sja1105_private *priv, 181 unsigned long port_bitmap, bool tx_inhibited); 182 183 extern struct sja1105_info sja1105e_info; 184 extern struct sja1105_info sja1105t_info; 185 extern struct sja1105_info sja1105p_info; 186 extern struct sja1105_info sja1105q_info; 187 extern struct sja1105_info sja1105r_info; 188 extern struct sja1105_info sja1105s_info; 189 190 /* From sja1105_clocking.c */ 191 192 typedef enum { 193 XMII_MAC = 0, 194 XMII_PHY = 1, 195 } sja1105_mii_role_t; 196 197 typedef enum { 198 XMII_MODE_MII = 0, 199 XMII_MODE_RMII = 1, 200 XMII_MODE_RGMII = 2, 201 XMII_MODE_SGMII = 3, 202 } sja1105_phy_interface_t; 203 204 typedef enum { 205 SJA1105_SPEED_10MBPS = 3, 206 SJA1105_SPEED_100MBPS = 2, 207 SJA1105_SPEED_1000MBPS = 1, 208 SJA1105_SPEED_AUTO = 0, 209 } sja1105_speed_t; 210 211 int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port); 212 int sja1105_clocking_setup_port(struct sja1105_private *priv, int port); 213 int sja1105_clocking_setup(struct sja1105_private *priv); 214 215 /* From sja1105_ethtool.c */ 216 void sja1105_get_ethtool_stats(struct dsa_switch *ds, int port, u64 *data); 217 void sja1105_get_strings(struct dsa_switch *ds, int port, 218 u32 stringset, u8 *data); 219 int sja1105_get_sset_count(struct dsa_switch *ds, int port, int sset); 220 221 /* From sja1105_dynamic_config.c */ 222 int sja1105_dynamic_config_read(struct sja1105_private *priv, 223 enum sja1105_blk_idx blk_idx, 224 int index, void *entry); 225 int sja1105_dynamic_config_write(struct sja1105_private *priv, 226 enum sja1105_blk_idx blk_idx, 227 int index, void *entry, bool keep); 228 229 enum sja1105_iotag { 230 SJA1105_C_TAG = 0, /* Inner VLAN header */ 231 SJA1105_S_TAG = 1, /* Outer VLAN header */ 232 }; 233 234 u8 sja1105et_fdb_hash(struct sja1105_private *priv, const u8 *addr, u16 vid); 235 int sja1105et_fdb_add(struct dsa_switch *ds, int port, 236 const unsigned char *addr, u16 vid); 237 int sja1105et_fdb_del(struct dsa_switch *ds, int port, 238 const unsigned char *addr, u16 vid); 239 int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, 240 const unsigned char *addr, u16 vid); 241 int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port, 242 const unsigned char *addr, u16 vid); 243 244 /* Common implementations for the static and dynamic configs */ 245 size_t sja1105_l2_forwarding_entry_packing(void *buf, void *entry_ptr, 246 enum packing_op op); 247 size_t sja1105pqrs_l2_lookup_entry_packing(void *buf, void *entry_ptr, 248 enum packing_op op); 249 size_t sja1105et_l2_lookup_entry_packing(void *buf, void *entry_ptr, 250 enum packing_op op); 251 size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr, 252 enum packing_op op); 253 size_t sja1105pqrs_mac_config_entry_packing(void *buf, void *entry_ptr, 254 enum packing_op op); 255 size_t sja1105pqrs_avb_params_entry_packing(void *buf, void *entry_ptr, 256 enum packing_op op); 257 size_t sja1105_vl_lookup_entry_packing(void *buf, void *entry_ptr, 258 enum packing_op op); 259 260 /* From sja1105_flower.c */ 261 int sja1105_cls_flower_del(struct dsa_switch *ds, int port, 262 struct flow_cls_offload *cls, bool ingress); 263 int sja1105_cls_flower_add(struct dsa_switch *ds, int port, 264 struct flow_cls_offload *cls, bool ingress); 265 void sja1105_flower_setup(struct dsa_switch *ds); 266 void sja1105_flower_teardown(struct dsa_switch *ds); 267 268 #endif 269