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  1#ifndef LINUX_SFP_H
  2#define LINUX_SFP_H
  3
  4#include <linux/phy.h>
  5
  6struct sfp_eeprom_base {
  7	u8 phys_id;
  8	u8 phys_ext_id;
  9	u8 connector;
 10#if defined __BIG_ENDIAN_BITFIELD
 11	u8 e10g_base_er:1;
 12	u8 e10g_base_lrm:1;
 13	u8 e10g_base_lr:1;
 14	u8 e10g_base_sr:1;
 15	u8 if_1x_sx:1;
 16	u8 if_1x_lx:1;
 17	u8 if_1x_copper_active:1;
 18	u8 if_1x_copper_passive:1;
 19
 20	u8 escon_mmf_1310_led:1;
 21	u8 escon_smf_1310_laser:1;
 22	u8 sonet_oc192_short_reach:1;
 23	u8 sonet_reach_bit1:1;
 24	u8 sonet_reach_bit2:1;
 25	u8 sonet_oc48_long_reach:1;
 26	u8 sonet_oc48_intermediate_reach:1;
 27	u8 sonet_oc48_short_reach:1;
 28
 29	u8 unallocated_5_7:1;
 30	u8 sonet_oc12_smf_long_reach:1;
 31	u8 sonet_oc12_smf_intermediate_reach:1;
 32	u8 sonet_oc12_short_reach:1;
 33	u8 unallocated_5_3:1;
 34	u8 sonet_oc3_smf_long_reach:1;
 35	u8 sonet_oc3_smf_intermediate_reach:1;
 36	u8 sonet_oc3_short_reach:1;
 37
 38	u8 e_base_px:1;
 39	u8 e_base_bx10:1;
 40	u8 e100_base_fx:1;
 41	u8 e100_base_lx:1;
 42	u8 e1000_base_t:1;
 43	u8 e1000_base_cx:1;
 44	u8 e1000_base_lx:1;
 45	u8 e1000_base_sx:1;
 46
 47	u8 fc_ll_v:1;
 48	u8 fc_ll_s:1;
 49	u8 fc_ll_i:1;
 50	u8 fc_ll_l:1;
 51	u8 fc_ll_m:1;
 52	u8 fc_tech_sa:1;
 53	u8 fc_tech_lc:1;
 54	u8 fc_tech_electrical_inter_enclosure:1;
 55
 56	u8 fc_tech_electrical_intra_enclosure:1;
 57	u8 fc_tech_sn:1;
 58	u8 fc_tech_sl:1;
 59	u8 fc_tech_ll:1;
 60	u8 sfp_ct_active:1;
 61	u8 sfp_ct_passive:1;
 62	u8 unallocated_8_1:1;
 63	u8 unallocated_8_0:1;
 64
 65	u8 fc_media_tw:1;
 66	u8 fc_media_tp:1;
 67	u8 fc_media_mi:1;
 68	u8 fc_media_tv:1;
 69	u8 fc_media_m6:1;
 70	u8 fc_media_m5:1;
 71	u8 unallocated_9_1:1;
 72	u8 fc_media_sm:1;
 73
 74	u8 fc_speed_1200:1;
 75	u8 fc_speed_800:1;
 76	u8 fc_speed_1600:1;
 77	u8 fc_speed_400:1;
 78	u8 fc_speed_3200:1;
 79	u8 fc_speed_200:1;
 80	u8 unallocated_10_1:1;
 81	u8 fc_speed_100:1;
 82#elif defined __LITTLE_ENDIAN_BITFIELD
 83	u8 if_1x_copper_passive:1;
 84	u8 if_1x_copper_active:1;
 85	u8 if_1x_lx:1;
 86	u8 if_1x_sx:1;
 87	u8 e10g_base_sr:1;
 88	u8 e10g_base_lr:1;
 89	u8 e10g_base_lrm:1;
 90	u8 e10g_base_er:1;
 91
 92	u8 sonet_oc3_short_reach:1;
 93	u8 sonet_oc3_smf_intermediate_reach:1;
 94	u8 sonet_oc3_smf_long_reach:1;
 95	u8 unallocated_5_3:1;
 96	u8 sonet_oc12_short_reach:1;
 97	u8 sonet_oc12_smf_intermediate_reach:1;
 98	u8 sonet_oc12_smf_long_reach:1;
 99	u8 unallocated_5_7:1;
100
101	u8 sonet_oc48_short_reach:1;
102	u8 sonet_oc48_intermediate_reach:1;
103	u8 sonet_oc48_long_reach:1;
104	u8 sonet_reach_bit2:1;
105	u8 sonet_reach_bit1:1;
106	u8 sonet_oc192_short_reach:1;
107	u8 escon_smf_1310_laser:1;
108	u8 escon_mmf_1310_led:1;
109
110	u8 e1000_base_sx:1;
111	u8 e1000_base_lx:1;
112	u8 e1000_base_cx:1;
113	u8 e1000_base_t:1;
114	u8 e100_base_lx:1;
115	u8 e100_base_fx:1;
116	u8 e_base_bx10:1;
117	u8 e_base_px:1;
118
119	u8 fc_tech_electrical_inter_enclosure:1;
120	u8 fc_tech_lc:1;
121	u8 fc_tech_sa:1;
122	u8 fc_ll_m:1;
123	u8 fc_ll_l:1;
124	u8 fc_ll_i:1;
125	u8 fc_ll_s:1;
126	u8 fc_ll_v:1;
127
128	u8 unallocated_8_0:1;
129	u8 unallocated_8_1:1;
130	u8 sfp_ct_passive:1;
131	u8 sfp_ct_active:1;
132	u8 fc_tech_ll:1;
133	u8 fc_tech_sl:1;
134	u8 fc_tech_sn:1;
135	u8 fc_tech_electrical_intra_enclosure:1;
136
137	u8 fc_media_sm:1;
138	u8 unallocated_9_1:1;
139	u8 fc_media_m5:1;
140	u8 fc_media_m6:1;
141	u8 fc_media_tv:1;
142	u8 fc_media_mi:1;
143	u8 fc_media_tp:1;
144	u8 fc_media_tw:1;
145
146	u8 fc_speed_100:1;
147	u8 unallocated_10_1:1;
148	u8 fc_speed_200:1;
149	u8 fc_speed_3200:1;
150	u8 fc_speed_400:1;
151	u8 fc_speed_1600:1;
152	u8 fc_speed_800:1;
153	u8 fc_speed_1200:1;
154#else
155#error Unknown Endian
156#endif
157	u8 encoding;
158	u8 br_nominal;
159	u8 rate_id;
160	u8 link_len[6];
161	char vendor_name[16];
162	u8 extended_cc;
163	char vendor_oui[3];
164	char vendor_pn[16];
165	char vendor_rev[4];
166	union {
167		__be16 optical_wavelength;
168		__be16 cable_compliance;
169		struct {
170#if defined __BIG_ENDIAN_BITFIELD
171			u8 reserved60_2:6;
172			u8 fc_pi_4_app_h:1;
173			u8 sff8431_app_e:1;
174			u8 reserved61:8;
175#elif defined __LITTLE_ENDIAN_BITFIELD
176			u8 sff8431_app_e:1;
177			u8 fc_pi_4_app_h:1;
178			u8 reserved60_2:6;
179			u8 reserved61:8;
180#else
181#error Unknown Endian
182#endif
183		} __packed passive;
184		struct {
185#if defined __BIG_ENDIAN_BITFIELD
186			u8 reserved60_4:4;
187			u8 fc_pi_4_lim:1;
188			u8 sff8431_lim:1;
189			u8 fc_pi_4_app_h:1;
190			u8 sff8431_app_e:1;
191			u8 reserved61:8;
192#elif defined __LITTLE_ENDIAN_BITFIELD
193			u8 sff8431_app_e:1;
194			u8 fc_pi_4_app_h:1;
195			u8 sff8431_lim:1;
196			u8 fc_pi_4_lim:1;
197			u8 reserved60_4:4;
198			u8 reserved61:8;
199#else
200#error Unknown Endian
201#endif
202		} __packed active;
203	} __packed;
204	u8 reserved62;
205	u8 cc_base;
206} __packed;
207
208struct sfp_eeprom_ext {
209	__be16 options;
210	u8 br_max;
211	u8 br_min;
212	char vendor_sn[16];
213	char datecode[8];
214	u8 diagmon;
215	u8 enhopts;
216	u8 sff8472_compliance;
217	u8 cc_ext;
218} __packed;
219
220/**
221 * struct sfp_eeprom_id - raw SFP module identification information
222 * @base: base SFP module identification structure
223 * @ext: extended SFP module identification structure
224 *
225 * See the SFF-8472 specification and related documents for the definition
226 * of these structure members. This can be obtained from
227 * https://www.snia.org/technology-communities/sff/specifications
228 */
229struct sfp_eeprom_id {
230	struct sfp_eeprom_base base;
231	struct sfp_eeprom_ext ext;
232} __packed;
233
234struct sfp_diag {
235	__be16 temp_high_alarm;
236	__be16 temp_low_alarm;
237	__be16 temp_high_warn;
238	__be16 temp_low_warn;
239	__be16 volt_high_alarm;
240	__be16 volt_low_alarm;
241	__be16 volt_high_warn;
242	__be16 volt_low_warn;
243	__be16 bias_high_alarm;
244	__be16 bias_low_alarm;
245	__be16 bias_high_warn;
246	__be16 bias_low_warn;
247	__be16 txpwr_high_alarm;
248	__be16 txpwr_low_alarm;
249	__be16 txpwr_high_warn;
250	__be16 txpwr_low_warn;
251	__be16 rxpwr_high_alarm;
252	__be16 rxpwr_low_alarm;
253	__be16 rxpwr_high_warn;
254	__be16 rxpwr_low_warn;
255	__be16 laser_temp_high_alarm;
256	__be16 laser_temp_low_alarm;
257	__be16 laser_temp_high_warn;
258	__be16 laser_temp_low_warn;
259	__be16 tec_cur_high_alarm;
260	__be16 tec_cur_low_alarm;
261	__be16 tec_cur_high_warn;
262	__be16 tec_cur_low_warn;
263	__be32 cal_rxpwr4;
264	__be32 cal_rxpwr3;
265	__be32 cal_rxpwr2;
266	__be32 cal_rxpwr1;
267	__be32 cal_rxpwr0;
268	__be16 cal_txi_slope;
269	__be16 cal_txi_offset;
270	__be16 cal_txpwr_slope;
271	__be16 cal_txpwr_offset;
272	__be16 cal_t_slope;
273	__be16 cal_t_offset;
274	__be16 cal_v_slope;
275	__be16 cal_v_offset;
276} __packed;
277
278/* SFF8024 defined constants */
279enum {
280	SFF8024_ID_UNK			= 0x00,
281	SFF8024_ID_SFF_8472		= 0x02,
282	SFF8024_ID_SFP			= 0x03,
283	SFF8024_ID_DWDM_SFP		= 0x0b,
284	SFF8024_ID_QSFP_8438		= 0x0c,
285	SFF8024_ID_QSFP_8436_8636	= 0x0d,
286	SFF8024_ID_QSFP28_8636		= 0x11,
287
288	SFF8024_ENCODING_UNSPEC		= 0x00,
289	SFF8024_ENCODING_8B10B		= 0x01,
290	SFF8024_ENCODING_4B5B		= 0x02,
291	SFF8024_ENCODING_NRZ		= 0x03,
292	SFF8024_ENCODING_8472_MANCHESTER= 0x04,
293	SFF8024_ENCODING_8472_SONET	= 0x05,
294	SFF8024_ENCODING_8472_64B66B	= 0x06,
295	SFF8024_ENCODING_8436_MANCHESTER= 0x06,
296	SFF8024_ENCODING_8436_SONET	= 0x04,
297	SFF8024_ENCODING_8436_64B66B	= 0x05,
298	SFF8024_ENCODING_256B257B	= 0x07,
299	SFF8024_ENCODING_PAM4		= 0x08,
300
301	SFF8024_CONNECTOR_UNSPEC	= 0x00,
302	/* codes 01-05 not supportable on SFP, but some modules have single SC */
303	SFF8024_CONNECTOR_SC		= 0x01,
304	SFF8024_CONNECTOR_FIBERJACK	= 0x06,
305	SFF8024_CONNECTOR_LC		= 0x07,
306	SFF8024_CONNECTOR_MT_RJ		= 0x08,
307	SFF8024_CONNECTOR_MU		= 0x09,
308	SFF8024_CONNECTOR_SG		= 0x0a,
309	SFF8024_CONNECTOR_OPTICAL_PIGTAIL= 0x0b,
310	SFF8024_CONNECTOR_MPO_1X12	= 0x0c,
311	SFF8024_CONNECTOR_MPO_2X16	= 0x0d,
312	SFF8024_CONNECTOR_HSSDC_II	= 0x20,
313	SFF8024_CONNECTOR_COPPER_PIGTAIL= 0x21,
314	SFF8024_CONNECTOR_RJ45		= 0x22,
315	SFF8024_CONNECTOR_NOSEPARATE	= 0x23,
316	SFF8024_CONNECTOR_MXC_2X16	= 0x24,
317
318	SFF8024_ECC_UNSPEC		= 0x00,
319	SFF8024_ECC_100G_25GAUI_C2M_AOC	= 0x01,
320	SFF8024_ECC_100GBASE_SR4_25GBASE_SR = 0x02,
321	SFF8024_ECC_100GBASE_LR4_25GBASE_LR = 0x03,
322	SFF8024_ECC_100GBASE_ER4_25GBASE_ER = 0x04,
323	SFF8024_ECC_100GBASE_SR10	= 0x05,
324	SFF8024_ECC_100GBASE_CR4	= 0x0b,
325	SFF8024_ECC_25GBASE_CR_S	= 0x0c,
326	SFF8024_ECC_25GBASE_CR_N	= 0x0d,
327	SFF8024_ECC_10GBASE_T_SFI	= 0x16,
328	SFF8024_ECC_10GBASE_T_SR	= 0x1c,
329	SFF8024_ECC_5GBASE_T		= 0x1d,
330	SFF8024_ECC_2_5GBASE_T		= 0x1e,
331};
332
333/* SFP EEPROM registers */
334enum {
335	SFP_PHYS_ID			= 0x00,
336	SFP_PHYS_EXT_ID			= 0x01,
337	SFP_CONNECTOR			= 0x02,
338	SFP_COMPLIANCE			= 0x03,
339	SFP_ENCODING			= 0x0b,
340	SFP_BR_NOMINAL			= 0x0c,
341	SFP_RATE_ID			= 0x0d,
342	SFP_LINK_LEN_SM_KM		= 0x0e,
343	SFP_LINK_LEN_SM_100M		= 0x0f,
344	SFP_LINK_LEN_50UM_OM2_10M	= 0x10,
345	SFP_LINK_LEN_62_5UM_OM1_10M	= 0x11,
346	SFP_LINK_LEN_COPPER_1M		= 0x12,
347	SFP_LINK_LEN_50UM_OM4_10M	= 0x12,
348	SFP_LINK_LEN_50UM_OM3_10M	= 0x13,
349	SFP_VENDOR_NAME			= 0x14,
350	SFP_VENDOR_OUI			= 0x25,
351	SFP_VENDOR_PN			= 0x28,
352	SFP_VENDOR_REV			= 0x38,
353	SFP_OPTICAL_WAVELENGTH_MSB	= 0x3c,
354	SFP_OPTICAL_WAVELENGTH_LSB	= 0x3d,
355	SFP_CABLE_SPEC			= 0x3c,
356	SFP_CC_BASE			= 0x3f,
357	SFP_OPTIONS			= 0x40,	/* 2 bytes, MSB, LSB */
358	SFP_BR_MAX			= 0x42,
359	SFP_BR_MIN			= 0x43,
360	SFP_VENDOR_SN			= 0x44,
361	SFP_DATECODE			= 0x54,
362	SFP_DIAGMON			= 0x5c,
363	SFP_ENHOPTS			= 0x5d,
364	SFP_SFF8472_COMPLIANCE		= 0x5e,
365	SFP_CC_EXT			= 0x5f,
366
367	SFP_PHYS_EXT_ID_SFP		= 0x04,
368	SFP_OPTIONS_HIGH_POWER_LEVEL	= BIT(13),
369	SFP_OPTIONS_PAGING_A2		= BIT(12),
370	SFP_OPTIONS_RETIMER		= BIT(11),
371	SFP_OPTIONS_COOLED_XCVR		= BIT(10),
372	SFP_OPTIONS_POWER_DECL		= BIT(9),
373	SFP_OPTIONS_RX_LINEAR_OUT	= BIT(8),
374	SFP_OPTIONS_RX_DECISION_THRESH	= BIT(7),
375	SFP_OPTIONS_TUNABLE_TX		= BIT(6),
376	SFP_OPTIONS_RATE_SELECT		= BIT(5),
377	SFP_OPTIONS_TX_DISABLE		= BIT(4),
378	SFP_OPTIONS_TX_FAULT		= BIT(3),
379	SFP_OPTIONS_LOS_INVERTED	= BIT(2),
380	SFP_OPTIONS_LOS_NORMAL		= BIT(1),
381	SFP_DIAGMON_DDM			= BIT(6),
382	SFP_DIAGMON_INT_CAL		= BIT(5),
383	SFP_DIAGMON_EXT_CAL		= BIT(4),
384	SFP_DIAGMON_RXPWR_AVG		= BIT(3),
385	SFP_DIAGMON_ADDRMODE		= BIT(2),
386	SFP_ENHOPTS_ALARMWARN		= BIT(7),
387	SFP_ENHOPTS_SOFT_TX_DISABLE	= BIT(6),
388	SFP_ENHOPTS_SOFT_TX_FAULT	= BIT(5),
389	SFP_ENHOPTS_SOFT_RX_LOS		= BIT(4),
390	SFP_ENHOPTS_SOFT_RATE_SELECT	= BIT(3),
391	SFP_ENHOPTS_APP_SELECT_SFF8079	= BIT(2),
392	SFP_ENHOPTS_SOFT_RATE_SFF8431	= BIT(1),
393	SFP_SFF8472_COMPLIANCE_NONE	= 0x00,
394	SFP_SFF8472_COMPLIANCE_REV9_3	= 0x01,
395	SFP_SFF8472_COMPLIANCE_REV9_5	= 0x02,
396	SFP_SFF8472_COMPLIANCE_REV10_2	= 0x03,
397	SFP_SFF8472_COMPLIANCE_REV10_4	= 0x04,
398	SFP_SFF8472_COMPLIANCE_REV11_0	= 0x05,
399	SFP_SFF8472_COMPLIANCE_REV11_3	= 0x06,
400	SFP_SFF8472_COMPLIANCE_REV11_4	= 0x07,
401	SFP_SFF8472_COMPLIANCE_REV12_0	= 0x08,
402};
403
404/* SFP Diagnostics */
405enum {
406	/* Alarm and warnings stored MSB at lower address then LSB */
407	SFP_TEMP_HIGH_ALARM		= 0x00,
408	SFP_TEMP_LOW_ALARM		= 0x02,
409	SFP_TEMP_HIGH_WARN		= 0x04,
410	SFP_TEMP_LOW_WARN		= 0x06,
411	SFP_VOLT_HIGH_ALARM		= 0x08,
412	SFP_VOLT_LOW_ALARM		= 0x0a,
413	SFP_VOLT_HIGH_WARN		= 0x0c,
414	SFP_VOLT_LOW_WARN		= 0x0e,
415	SFP_BIAS_HIGH_ALARM		= 0x10,
416	SFP_BIAS_LOW_ALARM		= 0x12,
417	SFP_BIAS_HIGH_WARN		= 0x14,
418	SFP_BIAS_LOW_WARN		= 0x16,
419	SFP_TXPWR_HIGH_ALARM		= 0x18,
420	SFP_TXPWR_LOW_ALARM		= 0x1a,
421	SFP_TXPWR_HIGH_WARN		= 0x1c,
422	SFP_TXPWR_LOW_WARN		= 0x1e,
423	SFP_RXPWR_HIGH_ALARM		= 0x20,
424	SFP_RXPWR_LOW_ALARM		= 0x22,
425	SFP_RXPWR_HIGH_WARN		= 0x24,
426	SFP_RXPWR_LOW_WARN		= 0x26,
427	SFP_LASER_TEMP_HIGH_ALARM	= 0x28,
428	SFP_LASER_TEMP_LOW_ALARM	= 0x2a,
429	SFP_LASER_TEMP_HIGH_WARN	= 0x2c,
430	SFP_LASER_TEMP_LOW_WARN		= 0x2e,
431	SFP_TEC_CUR_HIGH_ALARM		= 0x30,
432	SFP_TEC_CUR_LOW_ALARM		= 0x32,
433	SFP_TEC_CUR_HIGH_WARN		= 0x34,
434	SFP_TEC_CUR_LOW_WARN		= 0x36,
435	SFP_CAL_RXPWR4			= 0x38,
436	SFP_CAL_RXPWR3			= 0x3c,
437	SFP_CAL_RXPWR2			= 0x40,
438	SFP_CAL_RXPWR1			= 0x44,
439	SFP_CAL_RXPWR0			= 0x48,
440	SFP_CAL_TXI_SLOPE		= 0x4c,
441	SFP_CAL_TXI_OFFSET		= 0x4e,
442	SFP_CAL_TXPWR_SLOPE		= 0x50,
443	SFP_CAL_TXPWR_OFFSET		= 0x52,
444	SFP_CAL_T_SLOPE			= 0x54,
445	SFP_CAL_T_OFFSET		= 0x56,
446	SFP_CAL_V_SLOPE			= 0x58,
447	SFP_CAL_V_OFFSET		= 0x5a,
448	SFP_CHKSUM			= 0x5f,
449
450	SFP_TEMP			= 0x60,
451	SFP_VCC				= 0x62,
452	SFP_TX_BIAS			= 0x64,
453	SFP_TX_POWER			= 0x66,
454	SFP_RX_POWER			= 0x68,
455	SFP_LASER_TEMP			= 0x6a,
456	SFP_TEC_CUR			= 0x6c,
457
458	SFP_STATUS			= 0x6e,
459	SFP_STATUS_TX_DISABLE		= BIT(7),
460	SFP_STATUS_TX_DISABLE_FORCE	= BIT(6),
461	SFP_STATUS_TX_FAULT		= BIT(2),
462	SFP_STATUS_RX_LOS		= BIT(1),
463	SFP_ALARM0			= 0x70,
464	SFP_ALARM0_TEMP_HIGH		= BIT(7),
465	SFP_ALARM0_TEMP_LOW		= BIT(6),
466	SFP_ALARM0_VCC_HIGH		= BIT(5),
467	SFP_ALARM0_VCC_LOW		= BIT(4),
468	SFP_ALARM0_TX_BIAS_HIGH		= BIT(3),
469	SFP_ALARM0_TX_BIAS_LOW		= BIT(2),
470	SFP_ALARM0_TXPWR_HIGH		= BIT(1),
471	SFP_ALARM0_TXPWR_LOW		= BIT(0),
472
473	SFP_ALARM1			= 0x71,
474	SFP_ALARM1_RXPWR_HIGH		= BIT(7),
475	SFP_ALARM1_RXPWR_LOW		= BIT(6),
476
477	SFP_WARN0			= 0x74,
478	SFP_WARN0_TEMP_HIGH		= BIT(7),
479	SFP_WARN0_TEMP_LOW		= BIT(6),
480	SFP_WARN0_VCC_HIGH		= BIT(5),
481	SFP_WARN0_VCC_LOW		= BIT(4),
482	SFP_WARN0_TX_BIAS_HIGH		= BIT(3),
483	SFP_WARN0_TX_BIAS_LOW		= BIT(2),
484	SFP_WARN0_TXPWR_HIGH		= BIT(1),
485	SFP_WARN0_TXPWR_LOW		= BIT(0),
486
487	SFP_WARN1			= 0x75,
488	SFP_WARN1_RXPWR_HIGH		= BIT(7),
489	SFP_WARN1_RXPWR_LOW		= BIT(6),
490
491	SFP_EXT_STATUS			= 0x76,
492	SFP_VSL				= 0x78,
493	SFP_PAGE			= 0x7f,
494};
495
496struct fwnode_handle;
497struct ethtool_eeprom;
498struct ethtool_modinfo;
499struct sfp_bus;
500
501/**
502 * struct sfp_upstream_ops - upstream operations structure
503 * @attach: called when the sfp socket driver is bound to the upstream
504 *   (mandatory).
505 * @detach: called when the sfp socket driver is unbound from the upstream
506 *   (mandatory).
507 * @module_insert: called after a module has been detected to determine
508 *   whether the module is supported for the upstream device.
509 * @module_remove: called after the module has been removed.
510 * @module_start: called after the PHY probe step
511 * @module_stop: called before the PHY is removed
512 * @link_down: called when the link is non-operational for whatever
513 *   reason.
514 * @link_up: called when the link is operational.
515 * @connect_phy: called when an I2C accessible PHY has been detected
516 *   on the module.
517 * @disconnect_phy: called when a module with an I2C accessible PHY has
518 *   been removed.
519 */
520struct sfp_upstream_ops {
521	void (*attach)(void *priv, struct sfp_bus *bus);
522	void (*detach)(void *priv, struct sfp_bus *bus);
523	int (*module_insert)(void *priv, const struct sfp_eeprom_id *id);
524	void (*module_remove)(void *priv);
525	int (*module_start)(void *priv);
526	void (*module_stop)(void *priv);
527	void (*link_down)(void *priv);
528	void (*link_up)(void *priv);
529	int (*connect_phy)(void *priv, struct phy_device *);
530	void (*disconnect_phy)(void *priv);
531};
532
533#if IS_ENABLED(CONFIG_SFP)
534int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
535		   unsigned long *support);
536bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id);
537void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
538		       unsigned long *support);
539phy_interface_t sfp_select_interface(struct sfp_bus *bus,
540				     unsigned long *link_modes);
541
542int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo);
543int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee,
544			  u8 *data);
545void sfp_upstream_start(struct sfp_bus *bus);
546void sfp_upstream_stop(struct sfp_bus *bus);
547void sfp_bus_put(struct sfp_bus *bus);
548struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode);
549int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
550			 const struct sfp_upstream_ops *ops);
551void sfp_bus_del_upstream(struct sfp_bus *bus);
552#else
553static inline int sfp_parse_port(struct sfp_bus *bus,
554				 const struct sfp_eeprom_id *id,
555				 unsigned long *support)
556{
557	return PORT_OTHER;
558}
559
560static inline bool sfp_may_have_phy(struct sfp_bus *bus,
561				    const struct sfp_eeprom_id *id)
562{
563	return false;
564}
565
566static inline void sfp_parse_support(struct sfp_bus *bus,
567				     const struct sfp_eeprom_id *id,
568				     unsigned long *support)
569{
570}
571
572static inline phy_interface_t sfp_select_interface(struct sfp_bus *bus,
573						   unsigned long *link_modes)
574{
575	return PHY_INTERFACE_MODE_NA;
576}
577
578static inline int sfp_get_module_info(struct sfp_bus *bus,
579				      struct ethtool_modinfo *modinfo)
580{
581	return -EOPNOTSUPP;
582}
583
584static inline int sfp_get_module_eeprom(struct sfp_bus *bus,
585					struct ethtool_eeprom *ee, u8 *data)
586{
587	return -EOPNOTSUPP;
588}
589
590static inline void sfp_upstream_start(struct sfp_bus *bus)
591{
592}
593
594static inline void sfp_upstream_stop(struct sfp_bus *bus)
595{
596}
597
598static inline void sfp_bus_put(struct sfp_bus *bus)
599{
600}
601
602static inline struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode)
603{
604	return NULL;
605}
606
607static inline int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
608				       const struct sfp_upstream_ops *ops)
609{
610	return 0;
611}
612
613static inline void sfp_bus_del_upstream(struct sfp_bus *bus)
614{
615}
616#endif
617
618#endif