1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 // Copyright (c) 2018 Synopsys, Inc. and/or its affiliates.
3 // stmmac HW Interface Callbacks
4 
5 #ifndef __STMMAC_HWIF_H__
6 #define __STMMAC_HWIF_H__
7 
8 #include <linux/netdevice.h>
9 
10 #define stmmac_do_void_callback(__priv, __module, __cname,  __arg0, __args...) \
11 ({ \
12 	int __result = -EINVAL; \
13 	if ((__priv)->hw->__module && (__priv)->hw->__module->__cname) { \
14 		(__priv)->hw->__module->__cname((__arg0), ##__args); \
15 		__result = 0; \
16 	} \
17 	__result; \
18 })
19 #define stmmac_do_callback(__priv, __module, __cname,  __arg0, __args...) \
20 ({ \
21 	int __result = -EINVAL; \
22 	if ((__priv)->hw->__module && (__priv)->hw->__module->__cname) \
23 		__result = (__priv)->hw->__module->__cname((__arg0), ##__args); \
24 	__result; \
25 })
26 
27 struct stmmac_extra_stats;
28 struct stmmac_safety_stats;
29 struct dma_desc;
30 struct dma_extended_desc;
31 
32 /* Descriptors helpers */
33 struct stmmac_desc_ops {
34 	/* DMA RX descriptor ring initialization */
35 	void (*init_rx_desc)(struct dma_desc *p, int disable_rx_ic, int mode,
36 			int end);
37 	/* DMA TX descriptor ring initialization */
38 	void (*init_tx_desc)(struct dma_desc *p, int mode, int end);
39 	/* Invoked by the xmit function to prepare the tx descriptor */
40 	void (*prepare_tx_desc)(struct dma_desc *p, int is_fs, int len,
41 			bool csum_flag, int mode, bool tx_own, bool ls,
42 			unsigned int tot_pkt_len);
43 	void (*prepare_tso_tx_desc)(struct dma_desc *p, int is_fs, int len1,
44 			int len2, bool tx_own, bool ls, unsigned int tcphdrlen,
45 			unsigned int tcppayloadlen);
46 	/* Set/get the owner of the descriptor */
47 	void (*set_tx_owner)(struct dma_desc *p);
48 	int (*get_tx_owner)(struct dma_desc *p);
49 	/* Clean the tx descriptor as soon as the tx irq is received */
50 	void (*release_tx_desc)(struct dma_desc *p, int mode);
51 	/* Clear interrupt on tx frame completion. When this bit is
52 	 * set an interrupt happens as soon as the frame is transmitted */
53 	void (*set_tx_ic)(struct dma_desc *p);
54 	/* Last tx segment reports the transmit status */
55 	int (*get_tx_ls)(struct dma_desc *p);
56 	/* Return the transmit status looking at the TDES1 */
57 	int (*tx_status)(void *data, struct stmmac_extra_stats *x,
58 			struct dma_desc *p, void __iomem *ioaddr);
59 	/* Get the buffer size from the descriptor */
60 	int (*get_tx_len)(struct dma_desc *p);
61 	/* Handle extra events on specific interrupts hw dependent */
62 	void (*set_rx_owner)(struct dma_desc *p, int disable_rx_ic);
63 	/* Get the receive frame size */
64 	int (*get_rx_frame_len)(struct dma_desc *p, int rx_coe_type);
65 	/* Return the reception status looking at the RDES1 */
66 	int (*rx_status)(void *data, struct stmmac_extra_stats *x,
67 			struct dma_desc *p);
68 	void (*rx_extended_status)(void *data, struct stmmac_extra_stats *x,
69 			struct dma_extended_desc *p);
70 	/* Set tx timestamp enable bit */
71 	void (*enable_tx_timestamp) (struct dma_desc *p);
72 	/* get tx timestamp status */
73 	int (*get_tx_timestamp_status) (struct dma_desc *p);
74 	/* get timestamp value */
75 	void (*get_timestamp)(void *desc, u32 ats, u64 *ts);
76 	/* get rx timestamp status */
77 	int (*get_rx_timestamp_status)(void *desc, void *next_desc, u32 ats);
78 	/* Display ring */
79 	void (*display_ring)(void *head, unsigned int size, bool rx);
80 	/* set MSS via context descriptor */
81 	void (*set_mss)(struct dma_desc *p, unsigned int mss);
82 	/* get descriptor skbuff address */
83 	void (*get_addr)(struct dma_desc *p, unsigned int *addr);
84 	/* set descriptor skbuff address */
85 	void (*set_addr)(struct dma_desc *p, dma_addr_t addr);
86 	/* clear descriptor */
87 	void (*clear)(struct dma_desc *p);
88 };
89 
90 #define stmmac_init_rx_desc(__priv, __args...) \
91 	stmmac_do_void_callback(__priv, desc, init_rx_desc, __args)
92 #define stmmac_init_tx_desc(__priv, __args...) \
93 	stmmac_do_void_callback(__priv, desc, init_tx_desc, __args)
94 #define stmmac_prepare_tx_desc(__priv, __args...) \
95 	stmmac_do_void_callback(__priv, desc, prepare_tx_desc, __args)
96 #define stmmac_prepare_tso_tx_desc(__priv, __args...) \
97 	stmmac_do_void_callback(__priv, desc, prepare_tso_tx_desc, __args)
98 #define stmmac_set_tx_owner(__priv, __args...) \
99 	stmmac_do_void_callback(__priv, desc, set_tx_owner, __args)
100 #define stmmac_get_tx_owner(__priv, __args...) \
101 	stmmac_do_callback(__priv, desc, get_tx_owner, __args)
102 #define stmmac_release_tx_desc(__priv, __args...) \
103 	stmmac_do_void_callback(__priv, desc, release_tx_desc, __args)
104 #define stmmac_set_tx_ic(__priv, __args...) \
105 	stmmac_do_void_callback(__priv, desc, set_tx_ic, __args)
106 #define stmmac_get_tx_ls(__priv, __args...) \
107 	stmmac_do_callback(__priv, desc, get_tx_ls, __args)
108 #define stmmac_tx_status(__priv, __args...) \
109 	stmmac_do_callback(__priv, desc, tx_status, __args)
110 #define stmmac_get_tx_len(__priv, __args...) \
111 	stmmac_do_callback(__priv, desc, get_tx_len, __args)
112 #define stmmac_set_rx_owner(__priv, __args...) \
113 	stmmac_do_void_callback(__priv, desc, set_rx_owner, __args)
114 #define stmmac_get_rx_frame_len(__priv, __args...) \
115 	stmmac_do_callback(__priv, desc, get_rx_frame_len, __args)
116 #define stmmac_rx_status(__priv, __args...) \
117 	stmmac_do_callback(__priv, desc, rx_status, __args)
118 #define stmmac_rx_extended_status(__priv, __args...) \
119 	stmmac_do_void_callback(__priv, desc, rx_extended_status, __args)
120 #define stmmac_enable_tx_timestamp(__priv, __args...) \
121 	stmmac_do_void_callback(__priv, desc, enable_tx_timestamp, __args)
122 #define stmmac_get_tx_timestamp_status(__priv, __args...) \
123 	stmmac_do_callback(__priv, desc, get_tx_timestamp_status, __args)
124 #define stmmac_get_timestamp(__priv, __args...) \
125 	stmmac_do_void_callback(__priv, desc, get_timestamp, __args)
126 #define stmmac_get_rx_timestamp_status(__priv, __args...) \
127 	stmmac_do_callback(__priv, desc, get_rx_timestamp_status, __args)
128 #define stmmac_display_ring(__priv, __args...) \
129 	stmmac_do_void_callback(__priv, desc, display_ring, __args)
130 #define stmmac_set_mss(__priv, __args...) \
131 	stmmac_do_void_callback(__priv, desc, set_mss, __args)
132 #define stmmac_get_desc_addr(__priv, __args...) \
133 	stmmac_do_void_callback(__priv, desc, get_addr, __args)
134 #define stmmac_set_desc_addr(__priv, __args...) \
135 	stmmac_do_void_callback(__priv, desc, set_addr, __args)
136 #define stmmac_clear_desc(__priv, __args...) \
137 	stmmac_do_void_callback(__priv, desc, clear, __args)
138 
139 struct stmmac_dma_cfg;
140 struct dma_features;
141 
142 /* Specific DMA helpers */
143 struct stmmac_dma_ops {
144 	/* DMA core initialization */
145 	int (*reset)(void __iomem *ioaddr);
146 	void (*init)(void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg,
147 		     int atds);
148 	void (*init_chan)(void __iomem *ioaddr,
149 			  struct stmmac_dma_cfg *dma_cfg, u32 chan);
150 	void (*init_rx_chan)(void __iomem *ioaddr,
151 			     struct stmmac_dma_cfg *dma_cfg,
152 			     u32 dma_rx_phy, u32 chan);
153 	void (*init_tx_chan)(void __iomem *ioaddr,
154 			     struct stmmac_dma_cfg *dma_cfg,
155 			     u32 dma_tx_phy, u32 chan);
156 	/* Configure the AXI Bus Mode Register */
157 	void (*axi)(void __iomem *ioaddr, struct stmmac_axi *axi);
158 	/* Dump DMA registers */
159 	void (*dump_regs)(void __iomem *ioaddr, u32 *reg_space);
160 	void (*dma_rx_mode)(void __iomem *ioaddr, int mode, u32 channel,
161 			    int fifosz, u8 qmode);
162 	void (*dma_tx_mode)(void __iomem *ioaddr, int mode, u32 channel,
163 			    int fifosz, u8 qmode);
164 	/* To track extra statistic (if supported) */
165 	void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x,
166 				   void __iomem *ioaddr);
167 	void (*enable_dma_transmission) (void __iomem *ioaddr);
168 	void (*enable_dma_irq)(void __iomem *ioaddr, u32 chan);
169 	void (*disable_dma_irq)(void __iomem *ioaddr, u32 chan);
170 	void (*start_tx)(void __iomem *ioaddr, u32 chan);
171 	void (*stop_tx)(void __iomem *ioaddr, u32 chan);
172 	void (*start_rx)(void __iomem *ioaddr, u32 chan);
173 	void (*stop_rx)(void __iomem *ioaddr, u32 chan);
174 	int (*dma_interrupt) (void __iomem *ioaddr,
175 			      struct stmmac_extra_stats *x, u32 chan);
176 	/* If supported then get the optional core features */
177 	void (*get_hw_feature)(void __iomem *ioaddr,
178 			       struct dma_features *dma_cap);
179 	/* Program the HW RX Watchdog */
180 	void (*rx_watchdog)(void __iomem *ioaddr, u32 riwt, u32 number_chan);
181 	void (*set_tx_ring_len)(void __iomem *ioaddr, u32 len, u32 chan);
182 	void (*set_rx_ring_len)(void __iomem *ioaddr, u32 len, u32 chan);
183 	void (*set_rx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
184 	void (*set_tx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
185 	void (*enable_tso)(void __iomem *ioaddr, bool en, u32 chan);
186 };
187 
188 #define stmmac_reset(__priv, __args...) \
189 	stmmac_do_callback(__priv, dma, reset, __args)
190 #define stmmac_dma_init(__priv, __args...) \
191 	stmmac_do_void_callback(__priv, dma, init, __args)
192 #define stmmac_init_chan(__priv, __args...) \
193 	stmmac_do_void_callback(__priv, dma, init_chan, __args)
194 #define stmmac_init_rx_chan(__priv, __args...) \
195 	stmmac_do_void_callback(__priv, dma, init_rx_chan, __args)
196 #define stmmac_init_tx_chan(__priv, __args...) \
197 	stmmac_do_void_callback(__priv, dma, init_tx_chan, __args)
198 #define stmmac_axi(__priv, __args...) \
199 	stmmac_do_void_callback(__priv, dma, axi, __args)
200 #define stmmac_dump_dma_regs(__priv, __args...) \
201 	stmmac_do_void_callback(__priv, dma, dump_regs, __args)
202 #define stmmac_dma_rx_mode(__priv, __args...) \
203 	stmmac_do_void_callback(__priv, dma, dma_rx_mode, __args)
204 #define stmmac_dma_tx_mode(__priv, __args...) \
205 	stmmac_do_void_callback(__priv, dma, dma_tx_mode, __args)
206 #define stmmac_dma_diagnostic_fr(__priv, __args...) \
207 	stmmac_do_void_callback(__priv, dma, dma_diagnostic_fr, __args)
208 #define stmmac_enable_dma_transmission(__priv, __args...) \
209 	stmmac_do_void_callback(__priv, dma, enable_dma_transmission, __args)
210 #define stmmac_enable_dma_irq(__priv, __args...) \
211 	stmmac_do_void_callback(__priv, dma, enable_dma_irq, __args)
212 #define stmmac_disable_dma_irq(__priv, __args...) \
213 	stmmac_do_void_callback(__priv, dma, disable_dma_irq, __args)
214 #define stmmac_start_tx(__priv, __args...) \
215 	stmmac_do_void_callback(__priv, dma, start_tx, __args)
216 #define stmmac_stop_tx(__priv, __args...) \
217 	stmmac_do_void_callback(__priv, dma, stop_tx, __args)
218 #define stmmac_start_rx(__priv, __args...) \
219 	stmmac_do_void_callback(__priv, dma, start_rx, __args)
220 #define stmmac_stop_rx(__priv, __args...) \
221 	stmmac_do_void_callback(__priv, dma, stop_rx, __args)
222 #define stmmac_dma_interrupt_status(__priv, __args...) \
223 	stmmac_do_callback(__priv, dma, dma_interrupt, __args)
224 #define stmmac_get_hw_feature(__priv, __args...) \
225 	stmmac_do_void_callback(__priv, dma, get_hw_feature, __args)
226 #define stmmac_rx_watchdog(__priv, __args...) \
227 	stmmac_do_void_callback(__priv, dma, rx_watchdog, __args)
228 #define stmmac_set_tx_ring_len(__priv, __args...) \
229 	stmmac_do_void_callback(__priv, dma, set_tx_ring_len, __args)
230 #define stmmac_set_rx_ring_len(__priv, __args...) \
231 	stmmac_do_void_callback(__priv, dma, set_rx_ring_len, __args)
232 #define stmmac_set_rx_tail_ptr(__priv, __args...) \
233 	stmmac_do_void_callback(__priv, dma, set_rx_tail_ptr, __args)
234 #define stmmac_set_tx_tail_ptr(__priv, __args...) \
235 	stmmac_do_void_callback(__priv, dma, set_tx_tail_ptr, __args)
236 #define stmmac_enable_tso(__priv, __args...) \
237 	stmmac_do_void_callback(__priv, dma, enable_tso, __args)
238 
239 struct mac_device_info;
240 struct net_device;
241 struct rgmii_adv;
242 struct stmmac_safety_stats;
243 struct stmmac_tc_entry;
244 
245 /* Helpers to program the MAC core */
246 struct stmmac_ops {
247 	/* MAC core initialization */
248 	void (*core_init)(struct mac_device_info *hw, struct net_device *dev);
249 	/* Enable the MAC RX/TX */
250 	void (*set_mac)(void __iomem *ioaddr, bool enable);
251 	/* Enable and verify that the IPC module is supported */
252 	int (*rx_ipc)(struct mac_device_info *hw);
253 	/* Enable RX Queues */
254 	void (*rx_queue_enable)(struct mac_device_info *hw, u8 mode, u32 queue);
255 	/* RX Queues Priority */
256 	void (*rx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
257 	/* TX Queues Priority */
258 	void (*tx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
259 	/* RX Queues Routing */
260 	void (*rx_queue_routing)(struct mac_device_info *hw, u8 packet,
261 				 u32 queue);
262 	/* Program RX Algorithms */
263 	void (*prog_mtl_rx_algorithms)(struct mac_device_info *hw, u32 rx_alg);
264 	/* Program TX Algorithms */
265 	void (*prog_mtl_tx_algorithms)(struct mac_device_info *hw, u32 tx_alg);
266 	/* Set MTL TX queues weight */
267 	void (*set_mtl_tx_queue_weight)(struct mac_device_info *hw,
268 					u32 weight, u32 queue);
269 	/* RX MTL queue to RX dma mapping */
270 	void (*map_mtl_to_dma)(struct mac_device_info *hw, u32 queue, u32 chan);
271 	/* Configure AV Algorithm */
272 	void (*config_cbs)(struct mac_device_info *hw, u32 send_slope,
273 			   u32 idle_slope, u32 high_credit, u32 low_credit,
274 			   u32 queue);
275 	/* Dump MAC registers */
276 	void (*dump_regs)(struct mac_device_info *hw, u32 *reg_space);
277 	/* Handle extra events on specific interrupts hw dependent */
278 	int (*host_irq_status)(struct mac_device_info *hw,
279 			       struct stmmac_extra_stats *x);
280 	/* Handle MTL interrupts */
281 	int (*host_mtl_irq_status)(struct mac_device_info *hw, u32 chan);
282 	/* Multicast filter setting */
283 	void (*set_filter)(struct mac_device_info *hw, struct net_device *dev);
284 	/* Flow control setting */
285 	void (*flow_ctrl)(struct mac_device_info *hw, unsigned int duplex,
286 			  unsigned int fc, unsigned int pause_time, u32 tx_cnt);
287 	/* Set power management mode (e.g. magic frame) */
288 	void (*pmt)(struct mac_device_info *hw, unsigned long mode);
289 	/* Set/Get Unicast MAC addresses */
290 	void (*set_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
291 			      unsigned int reg_n);
292 	void (*get_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
293 			      unsigned int reg_n);
294 	void (*set_eee_mode)(struct mac_device_info *hw,
295 			     bool en_tx_lpi_clockgating);
296 	void (*reset_eee_mode)(struct mac_device_info *hw);
297 	void (*set_eee_timer)(struct mac_device_info *hw, int ls, int tw);
298 	void (*set_eee_pls)(struct mac_device_info *hw, int link);
299 	void (*debug)(void __iomem *ioaddr, struct stmmac_extra_stats *x,
300 		      u32 rx_queues, u32 tx_queues);
301 	/* PCS calls */
302 	void (*pcs_ctrl_ane)(void __iomem *ioaddr, bool ane, bool srgmi_ral,
303 			     bool loopback);
304 	void (*pcs_rane)(void __iomem *ioaddr, bool restart);
305 	void (*pcs_get_adv_lp)(void __iomem *ioaddr, struct rgmii_adv *adv);
306 	/* Safety Features */
307 	int (*safety_feat_config)(void __iomem *ioaddr, unsigned int asp);
308 	int (*safety_feat_irq_status)(struct net_device *ndev,
309 			void __iomem *ioaddr, unsigned int asp,
310 			struct stmmac_safety_stats *stats);
311 	int (*safety_feat_dump)(struct stmmac_safety_stats *stats,
312 			int index, unsigned long *count, const char **desc);
313 	/* Flexible RX Parser */
314 	int (*rxp_config)(void __iomem *ioaddr, struct stmmac_tc_entry *entries,
315 			  unsigned int count);
316 };
317 
318 #define stmmac_core_init(__priv, __args...) \
319 	stmmac_do_void_callback(__priv, mac, core_init, __args)
320 #define stmmac_mac_set(__priv, __args...) \
321 	stmmac_do_void_callback(__priv, mac, set_mac, __args)
322 #define stmmac_rx_ipc(__priv, __args...) \
323 	stmmac_do_callback(__priv, mac, rx_ipc, __args)
324 #define stmmac_rx_queue_enable(__priv, __args...) \
325 	stmmac_do_void_callback(__priv, mac, rx_queue_enable, __args)
326 #define stmmac_rx_queue_prio(__priv, __args...) \
327 	stmmac_do_void_callback(__priv, mac, rx_queue_prio, __args)
328 #define stmmac_tx_queue_prio(__priv, __args...) \
329 	stmmac_do_void_callback(__priv, mac, tx_queue_prio, __args)
330 #define stmmac_rx_queue_routing(__priv, __args...) \
331 	stmmac_do_void_callback(__priv, mac, rx_queue_routing, __args)
332 #define stmmac_prog_mtl_rx_algorithms(__priv, __args...) \
333 	stmmac_do_void_callback(__priv, mac, prog_mtl_rx_algorithms, __args)
334 #define stmmac_prog_mtl_tx_algorithms(__priv, __args...) \
335 	stmmac_do_void_callback(__priv, mac, prog_mtl_tx_algorithms, __args)
336 #define stmmac_set_mtl_tx_queue_weight(__priv, __args...) \
337 	stmmac_do_void_callback(__priv, mac, set_mtl_tx_queue_weight, __args)
338 #define stmmac_map_mtl_to_dma(__priv, __args...) \
339 	stmmac_do_void_callback(__priv, mac, map_mtl_to_dma, __args)
340 #define stmmac_config_cbs(__priv, __args...) \
341 	stmmac_do_void_callback(__priv, mac, config_cbs, __args)
342 #define stmmac_dump_mac_regs(__priv, __args...) \
343 	stmmac_do_void_callback(__priv, mac, dump_regs, __args)
344 #define stmmac_host_irq_status(__priv, __args...) \
345 	stmmac_do_callback(__priv, mac, host_irq_status, __args)
346 #define stmmac_host_mtl_irq_status(__priv, __args...) \
347 	stmmac_do_callback(__priv, mac, host_mtl_irq_status, __args)
348 #define stmmac_set_filter(__priv, __args...) \
349 	stmmac_do_void_callback(__priv, mac, set_filter, __args)
350 #define stmmac_flow_ctrl(__priv, __args...) \
351 	stmmac_do_void_callback(__priv, mac, flow_ctrl, __args)
352 #define stmmac_pmt(__priv, __args...) \
353 	stmmac_do_void_callback(__priv, mac, pmt, __args)
354 #define stmmac_set_umac_addr(__priv, __args...) \
355 	stmmac_do_void_callback(__priv, mac, set_umac_addr, __args)
356 #define stmmac_get_umac_addr(__priv, __args...) \
357 	stmmac_do_void_callback(__priv, mac, get_umac_addr, __args)
358 #define stmmac_set_eee_mode(__priv, __args...) \
359 	stmmac_do_void_callback(__priv, mac, set_eee_mode, __args)
360 #define stmmac_reset_eee_mode(__priv, __args...) \
361 	stmmac_do_void_callback(__priv, mac, reset_eee_mode, __args)
362 #define stmmac_set_eee_timer(__priv, __args...) \
363 	stmmac_do_void_callback(__priv, mac, set_eee_timer, __args)
364 #define stmmac_set_eee_pls(__priv, __args...) \
365 	stmmac_do_void_callback(__priv, mac, set_eee_pls, __args)
366 #define stmmac_mac_debug(__priv, __args...) \
367 	stmmac_do_void_callback(__priv, mac, debug, __args)
368 #define stmmac_pcs_ctrl_ane(__priv, __args...) \
369 	stmmac_do_void_callback(__priv, mac, pcs_ctrl_ane, __args)
370 #define stmmac_pcs_rane(__priv, __args...) \
371 	stmmac_do_void_callback(__priv, mac, pcs_rane, __args)
372 #define stmmac_pcs_get_adv_lp(__priv, __args...) \
373 	stmmac_do_void_callback(__priv, mac, pcs_get_adv_lp, __args)
374 #define stmmac_safety_feat_config(__priv, __args...) \
375 	stmmac_do_callback(__priv, mac, safety_feat_config, __args)
376 #define stmmac_safety_feat_irq_status(__priv, __args...) \
377 	stmmac_do_callback(__priv, mac, safety_feat_irq_status, __args)
378 #define stmmac_safety_feat_dump(__priv, __args...) \
379 	stmmac_do_callback(__priv, mac, safety_feat_dump, __args)
380 #define stmmac_rxp_config(__priv, __args...) \
381 	stmmac_do_callback(__priv, mac, rxp_config, __args)
382 
383 /* PTP and HW Timer helpers */
384 struct stmmac_hwtimestamp {
385 	void (*config_hw_tstamping) (void __iomem *ioaddr, u32 data);
386 	void (*config_sub_second_increment)(void __iomem *ioaddr, u32 ptp_clock,
387 					   int gmac4, u32 *ssinc);
388 	int (*init_systime) (void __iomem *ioaddr, u32 sec, u32 nsec);
389 	int (*config_addend) (void __iomem *ioaddr, u32 addend);
390 	int (*adjust_systime) (void __iomem *ioaddr, u32 sec, u32 nsec,
391 			       int add_sub, int gmac4);
392 	void (*get_systime) (void __iomem *ioaddr, u64 *systime);
393 };
394 
395 #define stmmac_config_hw_tstamping(__priv, __args...) \
396 	stmmac_do_void_callback(__priv, ptp, config_hw_tstamping, __args)
397 #define stmmac_config_sub_second_increment(__priv, __args...) \
398 	stmmac_do_void_callback(__priv, ptp, config_sub_second_increment, __args)
399 #define stmmac_init_systime(__priv, __args...) \
400 	stmmac_do_callback(__priv, ptp, init_systime, __args)
401 #define stmmac_config_addend(__priv, __args...) \
402 	stmmac_do_callback(__priv, ptp, config_addend, __args)
403 #define stmmac_adjust_systime(__priv, __args...) \
404 	stmmac_do_callback(__priv, ptp, adjust_systime, __args)
405 #define stmmac_get_systime(__priv, __args...) \
406 	stmmac_do_void_callback(__priv, ptp, get_systime, __args)
407 
408 /* Helpers to manage the descriptors for chain and ring modes */
409 struct stmmac_mode_ops {
410 	void (*init) (void *des, dma_addr_t phy_addr, unsigned int size,
411 		      unsigned int extend_desc);
412 	unsigned int (*is_jumbo_frm) (int len, int ehn_desc);
413 	int (*jumbo_frm)(void *priv, struct sk_buff *skb, int csum);
414 	int (*set_16kib_bfsize)(int mtu);
415 	void (*init_desc3)(struct dma_desc *p);
416 	void (*refill_desc3) (void *priv, struct dma_desc *p);
417 	void (*clean_desc3) (void *priv, struct dma_desc *p);
418 };
419 
420 #define stmmac_mode_init(__priv, __args...) \
421 	stmmac_do_void_callback(__priv, mode, init, __args)
422 #define stmmac_is_jumbo_frm(__priv, __args...) \
423 	stmmac_do_callback(__priv, mode, is_jumbo_frm, __args)
424 #define stmmac_jumbo_frm(__priv, __args...) \
425 	stmmac_do_callback(__priv, mode, jumbo_frm, __args)
426 #define stmmac_set_16kib_bfsize(__priv, __args...) \
427 	stmmac_do_callback(__priv, mode, set_16kib_bfsize, __args)
428 #define stmmac_init_desc3(__priv, __args...) \
429 	stmmac_do_void_callback(__priv, mode, init_desc3, __args)
430 #define stmmac_refill_desc3(__priv, __args...) \
431 	stmmac_do_void_callback(__priv, mode, refill_desc3, __args)
432 #define stmmac_clean_desc3(__priv, __args...) \
433 	stmmac_do_void_callback(__priv, mode, clean_desc3, __args)
434 
435 struct stmmac_priv;
436 struct tc_cls_u32_offload;
437 
438 struct stmmac_tc_ops {
439 	int (*init)(struct stmmac_priv *priv);
440 	int (*setup_cls_u32)(struct stmmac_priv *priv,
441 			     struct tc_cls_u32_offload *cls);
442 };
443 
444 #define stmmac_tc_init(__priv, __args...) \
445 	stmmac_do_callback(__priv, tc, init, __args)
446 #define stmmac_tc_setup_cls_u32(__priv, __args...) \
447 	stmmac_do_callback(__priv, tc, setup_cls_u32, __args)
448 
449 struct stmmac_regs_off {
450 	u32 ptp_off;
451 	u32 mmc_off;
452 };
453 
454 extern const struct stmmac_ops dwmac100_ops;
455 extern const struct stmmac_dma_ops dwmac100_dma_ops;
456 extern const struct stmmac_ops dwmac1000_ops;
457 extern const struct stmmac_dma_ops dwmac1000_dma_ops;
458 extern const struct stmmac_ops dwmac4_ops;
459 extern const struct stmmac_dma_ops dwmac4_dma_ops;
460 extern const struct stmmac_ops dwmac410_ops;
461 extern const struct stmmac_dma_ops dwmac410_dma_ops;
462 extern const struct stmmac_ops dwmac510_ops;
463 extern const struct stmmac_tc_ops dwmac510_tc_ops;
464 
465 #define GMAC_VERSION		0x00000020	/* GMAC CORE Version */
466 #define GMAC4_VERSION		0x00000110	/* GMAC4+ CORE Version */
467 
468 int stmmac_hwif_init(struct stmmac_priv *priv);
469 
470 #endif /* __STMMAC_HWIF_H__ */
471