xref: /linux/drivers/net/ethernet/intel/igc/igc_hw.h (revision f86fd32d)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c)  2018 Intel Corporation */
3 
4 #ifndef _IGC_HW_H_
5 #define _IGC_HW_H_
6 
7 #include <linux/types.h>
8 #include <linux/if_ether.h>
9 #include <linux/netdevice.h>
10 
11 #include "igc_regs.h"
12 #include "igc_defines.h"
13 #include "igc_mac.h"
14 #include "igc_phy.h"
15 #include "igc_nvm.h"
16 #include "igc_i225.h"
17 #include "igc_base.h"
18 
19 #define IGC_DEV_ID_I225_LM			0x15F2
20 #define IGC_DEV_ID_I225_V			0x15F3
21 #define IGC_DEV_ID_I225_I			0x15F8
22 #define IGC_DEV_ID_I220_V			0x15F7
23 #define IGC_DEV_ID_I225_K			0x3100
24 #define IGC_DEV_ID_I225_BLANK_NVM		0x15FD
25 
26 /* Function pointers for the MAC. */
27 struct igc_mac_operations {
28 	s32 (*check_for_link)(struct igc_hw *hw);
29 	s32 (*reset_hw)(struct igc_hw *hw);
30 	s32 (*init_hw)(struct igc_hw *hw);
31 	s32 (*setup_physical_interface)(struct igc_hw *hw);
32 	void (*rar_set)(struct igc_hw *hw, u8 *address, u32 index);
33 	s32 (*read_mac_addr)(struct igc_hw *hw);
34 	s32 (*get_speed_and_duplex)(struct igc_hw *hw, u16 *speed,
35 				    u16 *duplex);
36 	s32 (*acquire_swfw_sync)(struct igc_hw *hw, u16 mask);
37 	void (*release_swfw_sync)(struct igc_hw *hw, u16 mask);
38 };
39 
40 enum igc_mac_type {
41 	igc_undefined = 0,
42 	igc_i225,
43 	igc_num_macs  /* List is 1-based, so subtract 1 for true count. */
44 };
45 
46 enum igc_phy_type {
47 	igc_phy_unknown = 0,
48 	igc_phy_none,
49 	igc_phy_i225,
50 };
51 
52 enum igc_media_type {
53 	igc_media_type_unknown = 0,
54 	igc_media_type_copper = 1,
55 	igc_num_media_types
56 };
57 
58 enum igc_nvm_type {
59 	igc_nvm_unknown = 0,
60 	igc_nvm_eeprom_spi,
61 	igc_nvm_flash_hw,
62 	igc_nvm_invm,
63 };
64 
65 struct igc_info {
66 	s32 (*get_invariants)(struct igc_hw *hw);
67 	struct igc_mac_operations *mac_ops;
68 	const struct igc_phy_operations *phy_ops;
69 	struct igc_nvm_operations *nvm_ops;
70 };
71 
72 extern const struct igc_info igc_base_info;
73 
74 struct igc_mac_info {
75 	struct igc_mac_operations ops;
76 
77 	u8 addr[ETH_ALEN];
78 	u8 perm_addr[ETH_ALEN];
79 
80 	enum igc_mac_type type;
81 
82 	u32 collision_delta;
83 	u32 ledctl_default;
84 	u32 ledctl_mode1;
85 	u32 ledctl_mode2;
86 	u32 mc_filter_type;
87 	u32 tx_packet_delta;
88 	u32 txcw;
89 
90 	u16 mta_reg_count;
91 	u16 uta_reg_count;
92 
93 	u32 mta_shadow[MAX_MTA_REG];
94 	u16 rar_entry_count;
95 
96 	u8 forced_speed_duplex;
97 
98 	bool adaptive_ifs;
99 	bool has_fwsm;
100 	bool asf_firmware_present;
101 	bool arc_subsystem_valid;
102 
103 	bool autoneg;
104 	bool autoneg_failed;
105 	bool get_link_status;
106 };
107 
108 struct igc_nvm_operations {
109 	s32 (*acquire)(struct igc_hw *hw);
110 	s32 (*read)(struct igc_hw *hw, u16 offset, u16 i, u16 *data);
111 	void (*release)(struct igc_hw *hw);
112 	s32 (*write)(struct igc_hw *hw, u16 offset, u16 i, u16 *data);
113 	s32 (*update)(struct igc_hw *hw);
114 	s32 (*validate)(struct igc_hw *hw);
115 	s32 (*valid_led_default)(struct igc_hw *hw, u16 *data);
116 };
117 
118 struct igc_phy_operations {
119 	s32 (*acquire)(struct igc_hw *hw);
120 	s32 (*check_reset_block)(struct igc_hw *hw);
121 	s32 (*force_speed_duplex)(struct igc_hw *hw);
122 	s32 (*get_phy_info)(struct igc_hw *hw);
123 	s32 (*read_reg)(struct igc_hw *hw, u32 address, u16 *data);
124 	void (*release)(struct igc_hw *hw);
125 	s32 (*reset)(struct igc_hw *hw);
126 	s32 (*write_reg)(struct igc_hw *hw, u32 address, u16 data);
127 };
128 
129 struct igc_nvm_info {
130 	struct igc_nvm_operations ops;
131 	enum igc_nvm_type type;
132 
133 	u32 flash_bank_size;
134 	u32 flash_base_addr;
135 
136 	u16 word_size;
137 	u16 delay_usec;
138 	u16 address_bits;
139 	u16 opcode_bits;
140 	u16 page_size;
141 };
142 
143 struct igc_phy_info {
144 	struct igc_phy_operations ops;
145 
146 	enum igc_phy_type type;
147 
148 	u32 addr;
149 	u32 id;
150 	u32 reset_delay_us; /* in usec */
151 	u32 revision;
152 
153 	enum igc_media_type media_type;
154 
155 	u16 autoneg_advertised;
156 	u16 autoneg_mask;
157 
158 	u8 mdix;
159 
160 	bool is_mdix;
161 	bool reset_disable;
162 	bool speed_downgraded;
163 	bool autoneg_wait_to_complete;
164 };
165 
166 struct igc_bus_info {
167 	u16 func;
168 	u16 pci_cmd_word;
169 };
170 
171 enum igc_fc_mode {
172 	igc_fc_none = 0,
173 	igc_fc_rx_pause,
174 	igc_fc_tx_pause,
175 	igc_fc_full,
176 	igc_fc_default = 0xFF
177 };
178 
179 struct igc_fc_info {
180 	u32 high_water;     /* Flow control high-water mark */
181 	u32 low_water;      /* Flow control low-water mark */
182 	u16 pause_time;     /* Flow control pause timer */
183 	bool send_xon;      /* Flow control send XON */
184 	bool strict_ieee;   /* Strict IEEE mode */
185 	enum igc_fc_mode current_mode; /* Type of flow control */
186 	enum igc_fc_mode requested_mode;
187 };
188 
189 struct igc_dev_spec_base {
190 	bool clear_semaphore_once;
191 };
192 
193 struct igc_hw {
194 	void *back;
195 
196 	u8 __iomem *hw_addr;
197 	unsigned long io_base;
198 
199 	struct igc_mac_info  mac;
200 	struct igc_fc_info   fc;
201 	struct igc_nvm_info  nvm;
202 	struct igc_phy_info  phy;
203 
204 	struct igc_bus_info bus;
205 
206 	union {
207 		struct igc_dev_spec_base	_base;
208 	} dev_spec;
209 
210 	u16 device_id;
211 	u16 subsystem_vendor_id;
212 	u16 subsystem_device_id;
213 	u16 vendor_id;
214 
215 	u8 revision_id;
216 };
217 
218 /* Statistics counters collected by the MAC */
219 struct igc_hw_stats {
220 	u64 crcerrs;
221 	u64 algnerrc;
222 	u64 symerrs;
223 	u64 rxerrc;
224 	u64 mpc;
225 	u64 scc;
226 	u64 ecol;
227 	u64 mcc;
228 	u64 latecol;
229 	u64 colc;
230 	u64 dc;
231 	u64 tncrs;
232 	u64 sec;
233 	u64 cexterr;
234 	u64 rlec;
235 	u64 xonrxc;
236 	u64 xontxc;
237 	u64 xoffrxc;
238 	u64 xofftxc;
239 	u64 fcruc;
240 	u64 prc64;
241 	u64 prc127;
242 	u64 prc255;
243 	u64 prc511;
244 	u64 prc1023;
245 	u64 prc1522;
246 	u64 gprc;
247 	u64 bprc;
248 	u64 mprc;
249 	u64 gptc;
250 	u64 gorc;
251 	u64 gotc;
252 	u64 rnbc;
253 	u64 ruc;
254 	u64 rfc;
255 	u64 roc;
256 	u64 rjc;
257 	u64 mgprc;
258 	u64 mgpdc;
259 	u64 mgptc;
260 	u64 tor;
261 	u64 tot;
262 	u64 tpr;
263 	u64 tpt;
264 	u64 ptc64;
265 	u64 ptc127;
266 	u64 ptc255;
267 	u64 ptc511;
268 	u64 ptc1023;
269 	u64 ptc1522;
270 	u64 mptc;
271 	u64 bptc;
272 	u64 tsctc;
273 	u64 tsctfc;
274 	u64 iac;
275 	u64 icrxptc;
276 	u64 icrxatc;
277 	u64 ictxptc;
278 	u64 ictxatc;
279 	u64 ictxqec;
280 	u64 ictxqmtc;
281 	u64 icrxdmtc;
282 	u64 icrxoc;
283 	u64 cbtmpc;
284 	u64 htdpmc;
285 	u64 cbrdpc;
286 	u64 cbrmpc;
287 	u64 rpthc;
288 	u64 hgptc;
289 	u64 htcbdpc;
290 	u64 hgorc;
291 	u64 hgotc;
292 	u64 lenerrs;
293 	u64 scvpc;
294 	u64 hrmpc;
295 	u64 doosync;
296 	u64 o2bgptc;
297 	u64 o2bspc;
298 	u64 b2ospc;
299 	u64 b2ogprc;
300 };
301 
302 struct net_device *igc_get_hw_dev(struct igc_hw *hw);
303 #define hw_dbg(format, arg...) \
304 	netdev_dbg(igc_get_hw_dev(hw), format, ##arg)
305 
306 s32  igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
307 s32  igc_write_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
308 void igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
309 void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
310 
311 #endif /* _IGC_HW_H_ */
312