1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 2014-2015 Hisilicon Limited.
4 */
5
6#include <linux/delay.h>
7#include <linux/of_mdio.h>
8#include "hns_dsaf_main.h"
9#include "hns_dsaf_mac.h"
10#include "hns_dsaf_gmac.h"
11
12static const struct mac_stats_string g_gmac_stats_string[] = {
13	{"gmac_rx_octets_total_ok", MAC_STATS_FIELD_OFF(rx_good_bytes)},
14	{"gmac_rx_octets_bad", MAC_STATS_FIELD_OFF(rx_bad_bytes)},
15	{"gmac_rx_uc_pkts", MAC_STATS_FIELD_OFF(rx_uc_pkts)},
16	{"gmac_rx_mc_pkts", MAC_STATS_FIELD_OFF(rx_mc_pkts)},
17	{"gmac_rx_bc_pkts", MAC_STATS_FIELD_OFF(rx_bc_pkts)},
18	{"gmac_rx_pkts_64octets", MAC_STATS_FIELD_OFF(rx_64bytes)},
19	{"gmac_rx_pkts_65to127", MAC_STATS_FIELD_OFF(rx_65to127)},
20	{"gmac_rx_pkts_128to255", MAC_STATS_FIELD_OFF(rx_128to255)},
21	{"gmac_rx_pkts_256to511", MAC_STATS_FIELD_OFF(rx_256to511)},
22	{"gmac_rx_pkts_512to1023", MAC_STATS_FIELD_OFF(rx_512to1023)},
23	{"gmac_rx_pkts_1024to1518", MAC_STATS_FIELD_OFF(rx_1024to1518)},
24	{"gmac_rx_pkts_1519tomax", MAC_STATS_FIELD_OFF(rx_1519tomax)},
25	{"gmac_rx_fcs_errors", MAC_STATS_FIELD_OFF(rx_fcs_err)},
26	{"gmac_rx_tagged", MAC_STATS_FIELD_OFF(rx_vlan_pkts)},
27	{"gmac_rx_data_err", MAC_STATS_FIELD_OFF(rx_data_err)},
28	{"gmac_rx_align_errors", MAC_STATS_FIELD_OFF(rx_align_err)},
29	{"gmac_rx_long_errors", MAC_STATS_FIELD_OFF(rx_oversize)},
30	{"gmac_rx_jabber_errors", MAC_STATS_FIELD_OFF(rx_jabber_err)},
31	{"gmac_rx_pause_maccontrol", MAC_STATS_FIELD_OFF(rx_pfc_tc0)},
32	{"gmac_rx_unknown_maccontrol", MAC_STATS_FIELD_OFF(rx_unknown_ctrl)},
33	{"gmac_rx_very_long_err", MAC_STATS_FIELD_OFF(rx_long_err)},
34	{"gmac_rx_runt_err", MAC_STATS_FIELD_OFF(rx_minto64)},
35	{"gmac_rx_short_err", MAC_STATS_FIELD_OFF(rx_under_min)},
36	{"gmac_rx_filt_pkt", MAC_STATS_FIELD_OFF(rx_filter_pkts)},
37	{"gmac_rx_octets_total_filt", MAC_STATS_FIELD_OFF(rx_filter_bytes)},
38	{"gmac_rx_overrun_cnt", MAC_STATS_FIELD_OFF(rx_fifo_overrun_err)},
39	{"gmac_rx_length_err", MAC_STATS_FIELD_OFF(rx_len_err)},
40	{"gmac_rx_fail_comma", MAC_STATS_FIELD_OFF(rx_comma_err)},
41
42	{"gmac_tx_octets_ok", MAC_STATS_FIELD_OFF(tx_good_bytes)},
43	{"gmac_tx_octets_bad", MAC_STATS_FIELD_OFF(tx_bad_bytes)},
44	{"gmac_tx_uc_pkts", MAC_STATS_FIELD_OFF(tx_uc_pkts)},
45	{"gmac_tx_mc_pkts", MAC_STATS_FIELD_OFF(tx_mc_pkts)},
46	{"gmac_tx_bc_pkts", MAC_STATS_FIELD_OFF(tx_bc_pkts)},
47	{"gmac_tx_pkts_64octets", MAC_STATS_FIELD_OFF(tx_64bytes)},
48	{"gmac_tx_pkts_65to127", MAC_STATS_FIELD_OFF(tx_65to127)},
49	{"gmac_tx_pkts_128to255", MAC_STATS_FIELD_OFF(tx_128to255)},
50	{"gmac_tx_pkts_256to511", MAC_STATS_FIELD_OFF(tx_256to511)},
51	{"gmac_tx_pkts_512to1023", MAC_STATS_FIELD_OFF(tx_512to1023)},
52	{"gmac_tx_pkts_1024to1518", MAC_STATS_FIELD_OFF(tx_1024to1518)},
53	{"gmac_tx_pkts_1519tomax", MAC_STATS_FIELD_OFF(tx_1519tomax)},
54	{"gmac_tx_excessive_length_drop", MAC_STATS_FIELD_OFF(tx_jabber_err)},
55	{"gmac_tx_underrun", MAC_STATS_FIELD_OFF(tx_underrun_err)},
56	{"gmac_tx_tagged", MAC_STATS_FIELD_OFF(tx_vlan)},
57	{"gmac_tx_crc_error", MAC_STATS_FIELD_OFF(tx_crc_err)},
58	{"gmac_tx_pause_frames", MAC_STATS_FIELD_OFF(tx_pfc_tc0)}
59};
60
61static void hns_gmac_enable(void *mac_drv, enum mac_commom_mode mode)
62{
63	struct mac_driver *drv = (struct mac_driver *)mac_drv;
64
65	/*enable GE rX/tX */
66	if (mode == MAC_COMM_MODE_TX || mode == MAC_COMM_MODE_RX_AND_TX)
67		dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_TX_EN_B, 1);
68
69	if (mode == MAC_COMM_MODE_RX || mode == MAC_COMM_MODE_RX_AND_TX) {
70		/* enable rx pcs */
71		dsaf_set_dev_bit(drv, GMAC_PCS_RX_EN_REG, 0, 0);
72		dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_RX_EN_B, 1);
73	}
74}
75
76static void hns_gmac_disable(void *mac_drv, enum mac_commom_mode mode)
77{
78	struct mac_driver *drv = (struct mac_driver *)mac_drv;
79
80	/*disable GE rX/tX */
81	if (mode == MAC_COMM_MODE_TX || mode == MAC_COMM_MODE_RX_AND_TX)
82		dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_TX_EN_B, 0);
83
84	if (mode == MAC_COMM_MODE_RX || mode == MAC_COMM_MODE_RX_AND_TX) {
85		/* disable rx pcs */
86		dsaf_set_dev_bit(drv, GMAC_PCS_RX_EN_REG, 0, 1);
87		dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_RX_EN_B, 0);
88	}
89}
90
91/* hns_gmac_get_en - get port enable
92 * @mac_drv:mac device
93 * @rx:rx enable
94 * @tx:tx enable
95 */
96static void hns_gmac_get_en(void *mac_drv, u32 *rx, u32 *tx)
97{
98	struct mac_driver *drv = (struct mac_driver *)mac_drv;
99	u32 porten;
100
101	porten = dsaf_read_dev(drv, GMAC_PORT_EN_REG);
102	*tx = dsaf_get_bit(porten, GMAC_PORT_TX_EN_B);
103	*rx = dsaf_get_bit(porten, GMAC_PORT_RX_EN_B);
104}
105
106static void hns_gmac_free(void *mac_drv)
107{
108	struct mac_driver *drv = (struct mac_driver *)mac_drv;
109	struct dsaf_device *dsaf_dev
110		= (struct dsaf_device *)dev_get_drvdata(drv->dev);
111
112	u32 mac_id = drv->mac_id;
113
114	dsaf_dev->misc_op->ge_srst(dsaf_dev, mac_id, 0);
115}
116
117static void hns_gmac_set_tx_auto_pause_frames(void *mac_drv, u16 newval)
118{
119	struct mac_driver *drv = (struct mac_driver *)mac_drv;
120
121	dsaf_set_dev_field(drv, GMAC_FC_TX_TIMER_REG, GMAC_FC_TX_TIMER_M,
122			   GMAC_FC_TX_TIMER_S, newval);
123}
124
125static void hns_gmac_get_tx_auto_pause_frames(void *mac_drv, u16 *newval)
126{
127	struct mac_driver *drv = (struct mac_driver *)mac_drv;
128
129	*newval = dsaf_get_dev_field(drv, GMAC_FC_TX_TIMER_REG,
130				     GMAC_FC_TX_TIMER_M, GMAC_FC_TX_TIMER_S);
131}
132
133static void hns_gmac_config_max_frame_length(void *mac_drv, u16 newval)
134{
135	struct mac_driver *drv = (struct mac_driver *)mac_drv;
136
137	dsaf_set_dev_field(drv, GMAC_MAX_FRM_SIZE_REG, GMAC_MAX_FRM_SIZE_M,
138			   GMAC_MAX_FRM_SIZE_S, newval);
139
140	dsaf_set_dev_field(drv, GAMC_RX_MAX_FRAME, GMAC_MAX_FRM_SIZE_M,
141			   GMAC_MAX_FRM_SIZE_S, newval);
142}
143
144static void hns_gmac_config_pad_and_crc(void *mac_drv, u8 newval)
145{
146	u32 tx_ctrl;
147	struct mac_driver *drv = (struct mac_driver *)mac_drv;
148
149	tx_ctrl = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG);
150	dsaf_set_bit(tx_ctrl, GMAC_TX_PAD_EN_B, !!newval);
151	dsaf_set_bit(tx_ctrl, GMAC_TX_CRC_ADD_B, !!newval);
152	dsaf_write_dev(drv, GMAC_TRANSMIT_CONTROL_REG, tx_ctrl);
153}
154
155static void hns_gmac_config_an_mode(void *mac_drv, u8 newval)
156{
157	struct mac_driver *drv = (struct mac_driver *)mac_drv;
158
159	dsaf_set_dev_bit(drv, GMAC_TRANSMIT_CONTROL_REG,
160			 GMAC_TX_AN_EN_B, !!newval);
161}
162
163static void hns_gmac_tx_loop_pkt_dis(void *mac_drv)
164{
165	u32 tx_loop_pkt_pri;
166	struct mac_driver *drv = (struct mac_driver *)mac_drv;
167
168	tx_loop_pkt_pri = dsaf_read_dev(drv, GMAC_TX_LOOP_PKT_PRI_REG);
169	dsaf_set_bit(tx_loop_pkt_pri, GMAC_TX_LOOP_PKT_EN_B, 1);
170	dsaf_set_bit(tx_loop_pkt_pri, GMAC_TX_LOOP_PKT_HIG_PRI_B, 0);
171	dsaf_write_dev(drv, GMAC_TX_LOOP_PKT_PRI_REG, tx_loop_pkt_pri);
172}
173
174static void hns_gmac_get_duplex_type(void *mac_drv,
175				     enum hns_gmac_duplex_mdoe *duplex_mode)
176{
177	struct mac_driver *drv = (struct mac_driver *)mac_drv;
178
179	*duplex_mode = (enum hns_gmac_duplex_mdoe)dsaf_get_dev_bit(
180		drv, GMAC_DUPLEX_TYPE_REG, GMAC_DUPLEX_TYPE_B);
181}
182
183static void hns_gmac_get_port_mode(void *mac_drv, enum hns_port_mode *port_mode)
184{
185	struct mac_driver *drv = (struct mac_driver *)mac_drv;
186
187	*port_mode = (enum hns_port_mode)dsaf_get_dev_field(
188		drv, GMAC_PORT_MODE_REG, GMAC_PORT_MODE_M, GMAC_PORT_MODE_S);
189}
190
191static void hns_gmac_port_mode_get(void *mac_drv,
192				   struct hns_gmac_port_mode_cfg *port_mode)
193{
194	u32 tx_ctrl;
195	u32 recv_ctrl;
196	struct mac_driver *drv = (struct mac_driver *)mac_drv;
197
198	port_mode->port_mode = (enum hns_port_mode)dsaf_get_dev_field(
199		drv, GMAC_PORT_MODE_REG, GMAC_PORT_MODE_M, GMAC_PORT_MODE_S);
200
201	tx_ctrl = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG);
202	recv_ctrl = dsaf_read_dev(drv, GMAC_RECV_CONTROL_REG);
203
204	port_mode->max_frm_size =
205		dsaf_get_dev_field(drv, GMAC_MAX_FRM_SIZE_REG,
206				   GMAC_MAX_FRM_SIZE_M, GMAC_MAX_FRM_SIZE_S);
207	port_mode->short_runts_thr =
208		dsaf_get_dev_field(drv, GMAC_SHORT_RUNTS_THR_REG,
209				   GMAC_SHORT_RUNTS_THR_M,
210				   GMAC_SHORT_RUNTS_THR_S);
211
212	port_mode->pad_enable = dsaf_get_bit(tx_ctrl, GMAC_TX_PAD_EN_B);
213	port_mode->crc_add = dsaf_get_bit(tx_ctrl, GMAC_TX_CRC_ADD_B);
214	port_mode->an_enable = dsaf_get_bit(tx_ctrl, GMAC_TX_AN_EN_B);
215
216	port_mode->runt_pkt_en =
217		dsaf_get_bit(recv_ctrl, GMAC_RECV_CTRL_RUNT_PKT_EN_B);
218	port_mode->strip_pad_en =
219		dsaf_get_bit(recv_ctrl, GMAC_RECV_CTRL_STRIP_PAD_EN_B);
220}
221
222static void hns_gmac_pause_frm_cfg(void *mac_drv, u32 rx_pause_en,
223				   u32 tx_pause_en)
224{
225	u32 pause_en;
226	struct mac_driver *drv = (struct mac_driver *)mac_drv;
227
228	pause_en = dsaf_read_dev(drv, GMAC_PAUSE_EN_REG);
229	dsaf_set_bit(pause_en, GMAC_PAUSE_EN_RX_FDFC_B, !!rx_pause_en);
230	dsaf_set_bit(pause_en, GMAC_PAUSE_EN_TX_FDFC_B, !!tx_pause_en);
231	dsaf_write_dev(drv, GMAC_PAUSE_EN_REG, pause_en);
232}
233
234static void hns_gmac_get_pausefrm_cfg(void *mac_drv, u32 *rx_pause_en,
235				      u32 *tx_pause_en)
236{
237	u32 pause_en;
238	struct mac_driver *drv = (struct mac_driver *)mac_drv;
239
240	pause_en = dsaf_read_dev(drv, GMAC_PAUSE_EN_REG);
241
242	*rx_pause_en = dsaf_get_bit(pause_en, GMAC_PAUSE_EN_RX_FDFC_B);
243	*tx_pause_en = dsaf_get_bit(pause_en, GMAC_PAUSE_EN_TX_FDFC_B);
244}
245
246static bool hns_gmac_need_adjust_link(void *mac_drv, enum mac_speed speed,
247				      int duplex)
248{
249	struct mac_driver *drv = (struct mac_driver *)mac_drv;
250	struct hns_mac_cb *mac_cb = drv->mac_cb;
251
252	return (mac_cb->speed != speed) ||
253		(mac_cb->half_duplex == duplex);
254}
255
256static int hns_gmac_adjust_link(void *mac_drv, enum mac_speed speed,
257				u32 full_duplex)
258{
259	struct mac_driver *drv = (struct mac_driver *)mac_drv;
260
261	dsaf_set_dev_bit(drv, GMAC_DUPLEX_TYPE_REG,
262			 GMAC_DUPLEX_TYPE_B, !!full_duplex);
263
264	switch (speed) {
265	case MAC_SPEED_10:
266		dsaf_set_dev_field(
267			drv, GMAC_PORT_MODE_REG,
268			GMAC_PORT_MODE_M, GMAC_PORT_MODE_S, 0x6);
269		break;
270	case MAC_SPEED_100:
271		dsaf_set_dev_field(
272			drv, GMAC_PORT_MODE_REG,
273			GMAC_PORT_MODE_M, GMAC_PORT_MODE_S, 0x7);
274		break;
275	case MAC_SPEED_1000:
276		dsaf_set_dev_field(
277			drv, GMAC_PORT_MODE_REG,
278			GMAC_PORT_MODE_M, GMAC_PORT_MODE_S, 0x8);
279		break;
280	default:
281		dev_err(drv->dev,
282			"hns_gmac_adjust_link fail, speed%d mac%d\n",
283			speed, drv->mac_id);
284		return -EINVAL;
285	}
286
287	return 0;
288}
289
290static void hns_gmac_set_uc_match(void *mac_drv, u16 en)
291{
292	struct mac_driver *drv = mac_drv;
293
294	dsaf_set_dev_bit(drv, GMAC_REC_FILT_CONTROL_REG,
295			 GMAC_UC_MATCH_EN_B, !en);
296	dsaf_set_dev_bit(drv, GMAC_STATION_ADDR_HIGH_2_REG,
297			 GMAC_ADDR_EN_B, !en);
298}
299
300static void hns_gmac_set_promisc(void *mac_drv, u8 en)
301{
302	struct mac_driver *drv = mac_drv;
303
304	if (drv->mac_cb->mac_type == HNAE_PORT_DEBUG)
305		hns_gmac_set_uc_match(mac_drv, en);
306}
307
308static int hns_gmac_wait_fifo_clean(void *mac_drv)
309{
310	struct mac_driver *drv = (struct mac_driver *)mac_drv;
311	int wait_cnt;
312	u32 val;
313
314	wait_cnt = 0;
315	while (wait_cnt++ < HNS_MAX_WAIT_CNT) {
316		val = dsaf_read_dev(drv, GMAC_FIFO_STATE_REG);
317		/* bit5~bit0 is not send complete pkts */
318		if ((val & 0x3f) == 0)
319			break;
320		usleep_range(100, 200);
321	}
322
323	if (wait_cnt >= HNS_MAX_WAIT_CNT) {
324		dev_err(drv->dev,
325			"hns ge %d fifo was not idle.\n", drv->mac_id);
326		return -EBUSY;
327	}
328
329	return 0;
330}
331
332static void hns_gmac_init(void *mac_drv)
333{
334	u32 port;
335	struct mac_driver *drv = (struct mac_driver *)mac_drv;
336	struct dsaf_device *dsaf_dev
337		= (struct dsaf_device *)dev_get_drvdata(drv->dev);
338
339	port = drv->mac_id;
340
341	dsaf_dev->misc_op->ge_srst(dsaf_dev, port, 0);
342	mdelay(10);
343	dsaf_dev->misc_op->ge_srst(dsaf_dev, port, 1);
344	mdelay(10);
345	hns_gmac_disable(mac_drv, MAC_COMM_MODE_RX_AND_TX);
346	hns_gmac_tx_loop_pkt_dis(mac_drv);
347	if (drv->mac_cb->mac_type == HNAE_PORT_DEBUG)
348		hns_gmac_set_uc_match(mac_drv, 0);
349
350	hns_gmac_config_pad_and_crc(mac_drv, 1);
351
352	dsaf_set_dev_bit(drv, GMAC_MODE_CHANGE_EN_REG,
353			 GMAC_MODE_CHANGE_EB_B, 1);
354
355	/* reduce gmac tx water line to avoid gmac hang-up
356	 * in speed 100M and duplex half.
357	 */
358	dsaf_set_dev_field(drv, GMAC_TX_WATER_LINE_REG, GMAC_TX_WATER_LINE_MASK,
359			   GMAC_TX_WATER_LINE_SHIFT, 8);
360}
361
362static void hns_gmac_update_stats(void *mac_drv)
363{
364	struct mac_hw_stats *hw_stats = NULL;
365	struct mac_driver *drv = (struct mac_driver *)mac_drv;
366
367	hw_stats = &drv->mac_cb->hw_stats;
368
369	/* RX */
370	hw_stats->rx_good_bytes
371		+= dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_OK_REG);
372	hw_stats->rx_bad_bytes
373		+= dsaf_read_dev(drv, GMAC_RX_OCTETS_BAD_REG);
374	hw_stats->rx_uc_pkts += dsaf_read_dev(drv, GMAC_RX_UC_PKTS_REG);
375	hw_stats->rx_mc_pkts += dsaf_read_dev(drv, GMAC_RX_MC_PKTS_REG);
376	hw_stats->rx_bc_pkts += dsaf_read_dev(drv, GMAC_RX_BC_PKTS_REG);
377	hw_stats->rx_64bytes
378		+= dsaf_read_dev(drv, GMAC_RX_PKTS_64OCTETS_REG);
379	hw_stats->rx_65to127
380		+= dsaf_read_dev(drv, GMAC_RX_PKTS_65TO127OCTETS_REG);
381	hw_stats->rx_128to255
382		+= dsaf_read_dev(drv, GMAC_RX_PKTS_128TO255OCTETS_REG);
383	hw_stats->rx_256to511
384		+= dsaf_read_dev(drv, GMAC_RX_PKTS_255TO511OCTETS_REG);
385	hw_stats->rx_512to1023
386		+= dsaf_read_dev(drv, GMAC_RX_PKTS_512TO1023OCTETS_REG);
387	hw_stats->rx_1024to1518
388		+= dsaf_read_dev(drv, GMAC_RX_PKTS_1024TO1518OCTETS_REG);
389	hw_stats->rx_1519tomax
390		+= dsaf_read_dev(drv, GMAC_RX_PKTS_1519TOMAXOCTETS_REG);
391	hw_stats->rx_fcs_err += dsaf_read_dev(drv, GMAC_RX_FCS_ERRORS_REG);
392	hw_stats->rx_vlan_pkts += dsaf_read_dev(drv, GMAC_RX_TAGGED_REG);
393	hw_stats->rx_data_err += dsaf_read_dev(drv, GMAC_RX_DATA_ERR_REG);
394	hw_stats->rx_align_err
395		+= dsaf_read_dev(drv, GMAC_RX_ALIGN_ERRORS_REG);
396	hw_stats->rx_oversize
397		+= dsaf_read_dev(drv, GMAC_RX_LONG_ERRORS_REG);
398	hw_stats->rx_jabber_err
399		+= dsaf_read_dev(drv, GMAC_RX_JABBER_ERRORS_REG);
400	hw_stats->rx_pfc_tc0
401		+= dsaf_read_dev(drv, GMAC_RX_PAUSE_MACCTRL_FRAM_REG);
402	hw_stats->rx_unknown_ctrl
403		+= dsaf_read_dev(drv, GMAC_RX_UNKNOWN_MACCTRL_FRAM_REG);
404	hw_stats->rx_long_err
405		+= dsaf_read_dev(drv, GMAC_RX_VERY_LONG_ERR_CNT_REG);
406	hw_stats->rx_minto64
407		+= dsaf_read_dev(drv, GMAC_RX_RUNT_ERR_CNT_REG);
408	hw_stats->rx_under_min
409		+= dsaf_read_dev(drv, GMAC_RX_SHORT_ERR_CNT_REG);
410	hw_stats->rx_filter_pkts
411		+= dsaf_read_dev(drv, GMAC_RX_FILT_PKT_CNT_REG);
412	hw_stats->rx_filter_bytes
413		+= dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_FILT_REG);
414	hw_stats->rx_fifo_overrun_err
415		+= dsaf_read_dev(drv, GMAC_RX_OVERRUN_CNT_REG);
416	hw_stats->rx_len_err
417		+= dsaf_read_dev(drv, GMAC_RX_LENGTHFIELD_ERR_CNT_REG);
418	hw_stats->rx_comma_err
419		+= dsaf_read_dev(drv, GMAC_RX_FAIL_COMMA_CNT_REG);
420
421	/* TX */
422	hw_stats->tx_good_bytes
423		+= dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_OK_REG);
424	hw_stats->tx_bad_bytes
425		+= dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_BAD_REG);
426	hw_stats->tx_uc_pkts += dsaf_read_dev(drv, GMAC_TX_UC_PKTS_REG);
427	hw_stats->tx_mc_pkts += dsaf_read_dev(drv, GMAC_TX_MC_PKTS_REG);
428	hw_stats->tx_bc_pkts += dsaf_read_dev(drv, GMAC_TX_BC_PKTS_REG);
429	hw_stats->tx_64bytes
430		+= dsaf_read_dev(drv, GMAC_TX_PKTS_64OCTETS_REG);
431	hw_stats->tx_65to127
432		+= dsaf_read_dev(drv, GMAC_TX_PKTS_65TO127OCTETS_REG);
433	hw_stats->tx_128to255
434		+= dsaf_read_dev(drv, GMAC_TX_PKTS_128TO255OCTETS_REG);
435	hw_stats->tx_256to511
436		+= dsaf_read_dev(drv, GMAC_TX_PKTS_255TO511OCTETS_REG);
437	hw_stats->tx_512to1023
438		+= dsaf_read_dev(drv, GMAC_TX_PKTS_512TO1023OCTETS_REG);
439	hw_stats->tx_1024to1518
440		+= dsaf_read_dev(drv, GMAC_TX_PKTS_1024TO1518OCTETS_REG);
441	hw_stats->tx_1519tomax
442		+= dsaf_read_dev(drv, GMAC_TX_PKTS_1519TOMAXOCTETS_REG);
443	hw_stats->tx_jabber_err
444		+= dsaf_read_dev(drv, GMAC_TX_EXCESSIVE_LENGTH_DROP_REG);
445	hw_stats->tx_underrun_err
446		+= dsaf_read_dev(drv, GMAC_TX_UNDERRUN_REG);
447	hw_stats->tx_vlan += dsaf_read_dev(drv, GMAC_TX_TAGGED_REG);
448	hw_stats->tx_crc_err += dsaf_read_dev(drv, GMAC_TX_CRC_ERROR_REG);
449	hw_stats->tx_pfc_tc0
450		+= dsaf_read_dev(drv, GMAC_TX_PAUSE_FRAMES_REG);
451}
452
453static void hns_gmac_set_mac_addr(void *mac_drv, const char *mac_addr)
454{
455	struct mac_driver *drv = (struct mac_driver *)mac_drv;
456
457	u32 high_val = mac_addr[1] | (mac_addr[0] << 8);
458
459	u32 low_val = mac_addr[5] | (mac_addr[4] << 8)
460		| (mac_addr[3] << 16) | (mac_addr[2] << 24);
461
462	u32 val = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG);
463	u32 sta_addr_en = dsaf_get_bit(val, GMAC_ADDR_EN_B);
464
465	dsaf_write_dev(drv, GMAC_STATION_ADDR_LOW_2_REG, low_val);
466	dsaf_write_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG,
467		       high_val | (sta_addr_en << GMAC_ADDR_EN_B));
468}
469
470static int hns_gmac_config_loopback(void *mac_drv, enum hnae_loop loop_mode,
471				    u8 enable)
472{
473	struct mac_driver *drv = (struct mac_driver *)mac_drv;
474
475	switch (loop_mode) {
476	case MAC_INTERNALLOOP_MAC:
477		dsaf_set_dev_bit(drv, GMAC_LOOP_REG, GMAC_LP_REG_CF2MI_LP_EN_B,
478				 !!enable);
479		break;
480	default:
481		dev_err(drv->dev, "loop_mode error\n");
482		return -EINVAL;
483	}
484
485	return 0;
486}
487
488static void hns_gmac_get_info(void *mac_drv, struct mac_info *mac_info)
489{
490	enum hns_gmac_duplex_mdoe duplex;
491	enum hns_port_mode speed;
492	u32 rx_pause;
493	u32 tx_pause;
494	u32 rx;
495	u32 tx;
496	u16 fc_tx_timer;
497	struct hns_gmac_port_mode_cfg port_mode = { GMAC_10M_MII, 0 };
498
499	hns_gmac_port_mode_get(mac_drv, &port_mode);
500	mac_info->pad_and_crc_en = port_mode.crc_add && port_mode.pad_enable;
501	mac_info->auto_neg = port_mode.an_enable;
502
503	hns_gmac_get_tx_auto_pause_frames(mac_drv, &fc_tx_timer);
504	mac_info->tx_pause_time = fc_tx_timer;
505
506	hns_gmac_get_en(mac_drv, &rx, &tx);
507	mac_info->port_en = rx && tx;
508
509	hns_gmac_get_duplex_type(mac_drv, &duplex);
510	mac_info->duplex = duplex;
511
512	hns_gmac_get_port_mode(mac_drv, &speed);
513	switch (speed) {
514	case GMAC_10M_SGMII:
515		mac_info->speed = MAC_SPEED_10;
516		break;
517	case GMAC_100M_SGMII:
518		mac_info->speed = MAC_SPEED_100;
519		break;
520	case GMAC_1000M_SGMII:
521		mac_info->speed = MAC_SPEED_1000;
522		break;
523	default:
524		mac_info->speed = 0;
525		break;
526	}
527
528	hns_gmac_get_pausefrm_cfg(mac_drv, &rx_pause, &tx_pause);
529	mac_info->rx_pause_en = rx_pause;
530	mac_info->tx_pause_en = tx_pause;
531}
532
533static void hns_gmac_autoneg_stat(void *mac_drv, u32 *enable)
534{
535	struct mac_driver *drv = (struct mac_driver *)mac_drv;
536
537	*enable = dsaf_get_dev_bit(drv, GMAC_TRANSMIT_CONTROL_REG,
538				   GMAC_TX_AN_EN_B);
539}
540
541static void hns_gmac_get_link_status(void *mac_drv, u32 *link_stat)
542{
543	struct mac_driver *drv = (struct mac_driver *)mac_drv;
544
545	*link_stat = dsaf_get_dev_bit(drv, GMAC_AN_NEG_STATE_REG,
546				      GMAC_AN_NEG_STAT_RX_SYNC_OK_B);
547}
548
549static void hns_gmac_get_regs(void *mac_drv, void *data)
550{
551	u32 *regs = data;
552	int i;
553	struct mac_driver *drv = (struct mac_driver *)mac_drv;
554
555	/* base config registers */
556	regs[0] = dsaf_read_dev(drv, GMAC_DUPLEX_TYPE_REG);
557	regs[1] = dsaf_read_dev(drv, GMAC_FD_FC_TYPE_REG);
558	regs[2] = dsaf_read_dev(drv, GMAC_FC_TX_TIMER_REG);
559	regs[3] = dsaf_read_dev(drv, GMAC_FD_FC_ADDR_LOW_REG);
560	regs[4] = dsaf_read_dev(drv, GMAC_FD_FC_ADDR_HIGH_REG);
561	regs[5] = dsaf_read_dev(drv, GMAC_IPG_TX_TIMER_REG);
562	regs[6] = dsaf_read_dev(drv, GMAC_PAUSE_THR_REG);
563	regs[7] = dsaf_read_dev(drv, GMAC_MAX_FRM_SIZE_REG);
564	regs[8] = dsaf_read_dev(drv, GMAC_PORT_MODE_REG);
565	regs[9] = dsaf_read_dev(drv, GMAC_PORT_EN_REG);
566	regs[10] = dsaf_read_dev(drv, GMAC_PAUSE_EN_REG);
567	regs[11] = dsaf_read_dev(drv, GMAC_SHORT_RUNTS_THR_REG);
568	regs[12] = dsaf_read_dev(drv, GMAC_AN_NEG_STATE_REG);
569	regs[13] = dsaf_read_dev(drv, GMAC_TX_LOCAL_PAGE_REG);
570	regs[14] = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG);
571	regs[15] = dsaf_read_dev(drv, GMAC_REC_FILT_CONTROL_REG);
572	regs[16] = dsaf_read_dev(drv, GMAC_PTP_CONFIG_REG);
573
574	/* rx static registers */
575	regs[17] = dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_OK_REG);
576	regs[18] = dsaf_read_dev(drv, GMAC_RX_OCTETS_BAD_REG);
577	regs[19] = dsaf_read_dev(drv, GMAC_RX_UC_PKTS_REG);
578	regs[20] = dsaf_read_dev(drv, GMAC_RX_MC_PKTS_REG);
579	regs[21] = dsaf_read_dev(drv, GMAC_RX_BC_PKTS_REG);
580	regs[22] = dsaf_read_dev(drv, GMAC_RX_PKTS_64OCTETS_REG);
581	regs[23] = dsaf_read_dev(drv, GMAC_RX_PKTS_65TO127OCTETS_REG);
582	regs[24] = dsaf_read_dev(drv, GMAC_RX_PKTS_128TO255OCTETS_REG);
583	regs[25] = dsaf_read_dev(drv, GMAC_RX_PKTS_255TO511OCTETS_REG);
584	regs[26] = dsaf_read_dev(drv, GMAC_RX_PKTS_512TO1023OCTETS_REG);
585	regs[27] = dsaf_read_dev(drv, GMAC_RX_PKTS_1024TO1518OCTETS_REG);
586	regs[28] = dsaf_read_dev(drv, GMAC_RX_PKTS_1519TOMAXOCTETS_REG);
587	regs[29] = dsaf_read_dev(drv, GMAC_RX_FCS_ERRORS_REG);
588	regs[30] = dsaf_read_dev(drv, GMAC_RX_TAGGED_REG);
589	regs[31] = dsaf_read_dev(drv, GMAC_RX_DATA_ERR_REG);
590	regs[32] = dsaf_read_dev(drv, GMAC_RX_ALIGN_ERRORS_REG);
591	regs[33] = dsaf_read_dev(drv, GMAC_RX_LONG_ERRORS_REG);
592	regs[34] = dsaf_read_dev(drv, GMAC_RX_JABBER_ERRORS_REG);
593	regs[35] = dsaf_read_dev(drv, GMAC_RX_PAUSE_MACCTRL_FRAM_REG);
594	regs[36] = dsaf_read_dev(drv, GMAC_RX_UNKNOWN_MACCTRL_FRAM_REG);
595	regs[37] = dsaf_read_dev(drv, GMAC_RX_VERY_LONG_ERR_CNT_REG);
596	regs[38] = dsaf_read_dev(drv, GMAC_RX_RUNT_ERR_CNT_REG);
597	regs[39] = dsaf_read_dev(drv, GMAC_RX_SHORT_ERR_CNT_REG);
598	regs[40] = dsaf_read_dev(drv, GMAC_RX_FILT_PKT_CNT_REG);
599	regs[41] = dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_FILT_REG);
600
601	/* tx static registers */
602	regs[42] = dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_OK_REG);
603	regs[43] = dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_BAD_REG);
604	regs[44] = dsaf_read_dev(drv, GMAC_TX_UC_PKTS_REG);
605	regs[45] = dsaf_read_dev(drv, GMAC_TX_MC_PKTS_REG);
606	regs[46] = dsaf_read_dev(drv, GMAC_TX_BC_PKTS_REG);
607	regs[47] = dsaf_read_dev(drv, GMAC_TX_PKTS_64OCTETS_REG);
608	regs[48] = dsaf_read_dev(drv, GMAC_TX_PKTS_65TO127OCTETS_REG);
609	regs[49] = dsaf_read_dev(drv, GMAC_TX_PKTS_128TO255OCTETS_REG);
610	regs[50] = dsaf_read_dev(drv, GMAC_TX_PKTS_255TO511OCTETS_REG);
611	regs[51] = dsaf_read_dev(drv, GMAC_TX_PKTS_512TO1023OCTETS_REG);
612	regs[52] = dsaf_read_dev(drv, GMAC_TX_PKTS_1024TO1518OCTETS_REG);
613	regs[53] = dsaf_read_dev(drv, GMAC_TX_PKTS_1519TOMAXOCTETS_REG);
614	regs[54] = dsaf_read_dev(drv, GMAC_TX_EXCESSIVE_LENGTH_DROP_REG);
615	regs[55] = dsaf_read_dev(drv, GMAC_TX_UNDERRUN_REG);
616	regs[56] = dsaf_read_dev(drv, GMAC_TX_TAGGED_REG);
617	regs[57] = dsaf_read_dev(drv, GMAC_TX_CRC_ERROR_REG);
618	regs[58] = dsaf_read_dev(drv, GMAC_TX_PAUSE_FRAMES_REG);
619
620	regs[59] = dsaf_read_dev(drv, GAMC_RX_MAX_FRAME);
621	regs[60] = dsaf_read_dev(drv, GMAC_LINE_LOOP_BACK_REG);
622	regs[61] = dsaf_read_dev(drv, GMAC_CF_CRC_STRIP_REG);
623	regs[62] = dsaf_read_dev(drv, GMAC_MODE_CHANGE_EN_REG);
624	regs[63] = dsaf_read_dev(drv, GMAC_SIXTEEN_BIT_CNTR_REG);
625	regs[64] = dsaf_read_dev(drv, GMAC_LD_LINK_COUNTER_REG);
626	regs[65] = dsaf_read_dev(drv, GMAC_LOOP_REG);
627	regs[66] = dsaf_read_dev(drv, GMAC_RECV_CONTROL_REG);
628	regs[67] = dsaf_read_dev(drv, GMAC_VLAN_CODE_REG);
629	regs[68] = dsaf_read_dev(drv, GMAC_RX_OVERRUN_CNT_REG);
630	regs[69] = dsaf_read_dev(drv, GMAC_RX_LENGTHFIELD_ERR_CNT_REG);
631	regs[70] = dsaf_read_dev(drv, GMAC_RX_FAIL_COMMA_CNT_REG);
632
633	regs[71] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_0_REG);
634	regs[72] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_0_REG);
635	regs[73] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_1_REG);
636	regs[74] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_1_REG);
637	regs[75] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_2_REG);
638	regs[76] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG);
639	regs[77] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_3_REG);
640	regs[78] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_3_REG);
641	regs[79] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_4_REG);
642	regs[80] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_4_REG);
643	regs[81] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_5_REG);
644	regs[82] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_5_REG);
645	regs[83] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_MSK_0_REG);
646	regs[84] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_MSK_0_REG);
647	regs[85] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_MSK_1_REG);
648	regs[86] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_MSK_1_REG);
649	regs[87] = dsaf_read_dev(drv, GMAC_MAC_SKIP_LEN_REG);
650	regs[88] = dsaf_read_dev(drv, GMAC_TX_LOOP_PKT_PRI_REG);
651
652	/* mark end of mac regs */
653	for (i = 89; i < 96; i++)
654		regs[i] = 0xaaaaaaaa;
655}
656
657static void hns_gmac_get_stats(void *mac_drv, u64 *data)
658{
659	u32 i;
660	u64 *buf = data;
661	struct mac_driver *drv = (struct mac_driver *)mac_drv;
662	struct mac_hw_stats *hw_stats = NULL;
663
664	hw_stats = &drv->mac_cb->hw_stats;
665
666	for (i = 0; i < ARRAY_SIZE(g_gmac_stats_string); i++) {
667		buf[i] = DSAF_STATS_READ(hw_stats,
668			g_gmac_stats_string[i].offset);
669	}
670}
671
672static void hns_gmac_get_strings(u32 stringset, u8 *data)
673{
674	u8 *buff = data;
675	u32 i;
676
677	if (stringset != ETH_SS_STATS)
678		return;
679
680	for (i = 0; i < ARRAY_SIZE(g_gmac_stats_string); i++)
681		ethtool_puts(&buff, g_gmac_stats_string[i].desc);
682}
683
684static int hns_gmac_get_sset_count(int stringset)
685{
686	if (stringset == ETH_SS_STATS)
687		return ARRAY_SIZE(g_gmac_stats_string);
688
689	return 0;
690}
691
692static int hns_gmac_get_regs_count(void)
693{
694	return ETH_GMAC_DUMP_NUM;
695}
696
697void *hns_gmac_config(struct hns_mac_cb *mac_cb, struct mac_params *mac_param)
698{
699	struct mac_driver *mac_drv;
700
701	mac_drv = devm_kzalloc(mac_cb->dev, sizeof(*mac_drv), GFP_KERNEL);
702	if (!mac_drv)
703		return NULL;
704
705	mac_drv->mac_init = hns_gmac_init;
706	mac_drv->mac_enable = hns_gmac_enable;
707	mac_drv->mac_disable = hns_gmac_disable;
708	mac_drv->mac_free = hns_gmac_free;
709	mac_drv->adjust_link = hns_gmac_adjust_link;
710	mac_drv->need_adjust_link = hns_gmac_need_adjust_link;
711	mac_drv->set_tx_auto_pause_frames = hns_gmac_set_tx_auto_pause_frames;
712	mac_drv->config_max_frame_length = hns_gmac_config_max_frame_length;
713	mac_drv->mac_pausefrm_cfg = hns_gmac_pause_frm_cfg;
714
715	mac_drv->mac_id = mac_param->mac_id;
716	mac_drv->mac_mode = mac_param->mac_mode;
717	mac_drv->io_base = mac_param->vaddr;
718	mac_drv->dev = mac_param->dev;
719	mac_drv->mac_cb = mac_cb;
720
721	mac_drv->set_mac_addr = hns_gmac_set_mac_addr;
722	mac_drv->set_an_mode = hns_gmac_config_an_mode;
723	mac_drv->config_loopback = hns_gmac_config_loopback;
724	mac_drv->config_pad_and_crc = hns_gmac_config_pad_and_crc;
725	mac_drv->get_info = hns_gmac_get_info;
726	mac_drv->autoneg_stat = hns_gmac_autoneg_stat;
727	mac_drv->get_pause_enable = hns_gmac_get_pausefrm_cfg;
728	mac_drv->get_link_status = hns_gmac_get_link_status;
729	mac_drv->get_regs = hns_gmac_get_regs;
730	mac_drv->get_regs_count = hns_gmac_get_regs_count;
731	mac_drv->get_ethtool_stats = hns_gmac_get_stats;
732	mac_drv->get_sset_count = hns_gmac_get_sset_count;
733	mac_drv->get_strings = hns_gmac_get_strings;
734	mac_drv->update_stats = hns_gmac_update_stats;
735	mac_drv->set_promiscuous = hns_gmac_set_promisc;
736	mac_drv->wait_fifo_clean = hns_gmac_wait_fifo_clean;
737
738	return (void *)mac_drv;
739}
740