22 static int iwl_mld_get_systime(struct iwl_mld *mld, u32 *gp2)  in iwl_mld_get_systime()  argument
24 	*gp2 = iwl_read_prph(mld->trans, mld->trans->mac_cfg->base->gp2_reg_addr);  in iwl_mld_get_systime()
26 	if (*gp2 == 0x5a5a5a5a)  in iwl_mld_get_systime()
32 static void iwl_mld_ptp_update_new_read(struct iwl_mld *mld, u32 gp2)  in iwl_mld_ptp_update_new_read()  argument
34 	IWL_DEBUG_PTP(mld, "PTP: last_gp2=%u, new gp2 read=%u\n",  in iwl_mld_ptp_update_new_read()
35 		      mld->ptp_data.last_gp2, gp2);  in iwl_mld_ptp_update_new_read()
40 	if (gp2 < mld->ptp_data.last_gp2) {  in iwl_mld_ptp_update_new_read()
41 		if (mld->ptp_data.last_gp2 - gp2 <  in iwl_mld_ptp_update_new_read()
44 				      "PTP: ignore old read (gp2=%u, last_gp2=%u)\n",  in iwl_mld_ptp_update_new_read()
45 				      gp2, mld->ptp_data.last_gp2);  in iwl_mld_ptp_update_new_read()
55 	mld->ptp_data.last_gp2 = gp2;  in iwl_mld_ptp_update_new_read()
75 	/* It is possible that a GP2 timestamp was received from fw before the  in iwl_mld_ptp_get_adj_time()
108 	u32 gp2;  in iwl_mld_ptp_gettime()  local
111 	if (iwl_mld_get_systime(mld, &gp2)) {  in iwl_mld_ptp_gettime()
117 	ns = iwl_mld_ptp_get_adj_time(mld, (u64)gp2 * NSEC_PER_USEC);  in iwl_mld_ptp_gettime()
143 	u32 gp2;  in iwl_mld_ptp_adjfine()  local
149 	if (iwl_mld_get_systime(mld, &gp2)) {  in iwl_mld_ptp_adjfine()
156 		iwl_mld_ptp_get_adj_time(mld, gp2 * NSEC_PER_USEC);  in iwl_mld_ptp_adjfine()
157 	data->scale_update_gp2 = gp2;  in iwl_mld_ptp_adjfine()
178 	u32 gp2;  in iwl_mld_ptp_work()  local
181 	if (!iwl_mld_get_systime(mld, &gp2))  in iwl_mld_ptp_work()
182 		iwl_mld_ptp_update_new_read(mld, gp2);  in iwl_mld_ptp_work()
184 		IWL_DEBUG_PTP(mld, "PTP work: failed to read GP2\n");  in iwl_mld_ptp_work()
189 iwl_mld_get_crosstimestamp_fw(struct iwl_mld *mld, u32 *gp2, u64 *sys_time)  in iwl_mld_get_crosstimestamp_fw()  argument
223 	*gp2 = div_u64(gp2_10ns, 100);  in iwl_mld_get_crosstimestamp_fw()
240 	/* Raw value read from GP2 register in usec */  in iwl_mld_phc_get_crosstimestamp()
241 	u32 gp2;  in iwl_mld_phc_get_crosstimestamp()  local
242 	/* GP2 value in ns*/  in iwl_mld_phc_get_crosstimestamp()
249 	ret = iwl_mld_get_crosstimestamp_fw(mld, &gp2, &sys_time);  in iwl_mld_phc_get_crosstimestamp()
258 	gp2_ns = iwl_mld_ptp_get_adj_time(mld, (u64)gp2 * NSEC_PER_USEC);  in iwl_mld_phc_get_crosstimestamp()
262 		      "Got Sync Time: GP2:%u, last_GP2: %u, GP2_ns: %lld, sys_time: %lld\n",  in iwl_mld_phc_get_crosstimestamp()
263 		      gp2, mld->ptp_data.last_gp2, gp2_ns, (s64)sys_time);  in iwl_mld_phc_get_crosstimestamp()