ice: Implement ice_ptp_pin_desc

Add a new internal structure describing PTP pins.
Use the new structure for all non-E810T products.

Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

1 files changed, 44 insertions, 21 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.h b/drivers/net/ethernet/intel/ice/ice_ptp.h
index 2db2257a0fb2..eccd52108010 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.h
@@ -221,6 +221,46 @@ enum ice_ptp_state {
 	ICE_PTP_ERROR,
 };
 
+enum ice_ptp_pin {
+	SDP0 = 0,
+	SDP1,
+	SDP2,
+	SDP3,
+	TIME_SYNC,
+	ONE_PPS
+};
+
+/* Per-channel register definitions */
+#define GLTSYN_AUX_OUT(_chan, _idx)	(GLTSYN_AUX_OUT_0(_idx) + ((_chan) * 8))
+#define GLTSYN_AUX_IN(_chan, _idx)	(GLTSYN_AUX_IN_0(_idx) + ((_chan) * 8))
+#define GLTSYN_CLKO(_chan, _idx)	(GLTSYN_CLKO_0(_idx) + ((_chan) * 8))
+#define GLTSYN_TGT_L(_chan, _idx)	(GLTSYN_TGT_L_0(_idx) + ((_chan) * 16))
+#define GLTSYN_TGT_H(_chan, _idx)	(GLTSYN_TGT_H_0(_idx) + ((_chan) * 16))
+#define GLTSYN_EVNT_L(_chan, _idx)	(GLTSYN_EVNT_L_0(_idx) + ((_chan) * 16))
+#define GLTSYN_EVNT_H(_chan, _idx)	(GLTSYN_EVNT_H_0(_idx) + ((_chan) * 16))
+#define GLTSYN_EVNT_H_IDX_MAX		3
+
+/* Pin definitions for PTP */
+#define PPS_CLK_GEN_CHAN		3
+#define PPS_PIN_INDEX			5
+#define ICE_N_PINS_MAX			6
+#define ICE_PIN_DESC_ARR_LEN(_arr)	(sizeof(_arr) / \
+					 sizeof(struct ice_ptp_pin_desc))
+
+/**
+ * struct ice_ptp_pin_desc - hardware pin description data
+ * @name_idx: index of the name of pin in ice_pin_names
+ * @gpio: the associated GPIO input and output pins
+ *
+ * Structure describing a PTP-capable GPIO pin that extends ptp_pin_desc array
+ * for the device. Device families have separate sets of available pins with
+ * varying restrictions.
+ */
+struct ice_ptp_pin_desc {
+	int name_idx;
+	int gpio[2];
+};
+
 /**
  * struct ice_ptp - data used for integrating with CONFIG_PTP_1588_CLOCK
  * @state: current state of PTP state machine
@@ -232,6 +272,8 @@ enum ice_ptp_state {
  * @cached_phc_jiffies: jiffies when cached_phc_time was last updated
  * @ext_ts_chan: the external timestamp channel in use
  * @ext_ts_irq: the external timestamp IRQ in use
+ * @pin_desc: structure defining pins
+ * @ice_pin_desc: internal structure describing pin relations
  * @kworker: kwork thread for handling periodic work
  * @perout_channels: periodic output data
  * @extts_channels: channels for external timestamps
@@ -257,6 +299,8 @@ struct ice_ptp {
 	u8 ext_ts_chan;
 	u8 ext_ts_irq;
 	struct kthread_worker *kworker;
+	struct ptp_pin_desc pin_desc[ICE_N_PINS_MAX];
+	const struct ice_ptp_pin_desc *ice_pin_desc;
 	struct ice_perout_channel perout_channels[GLTSYN_TGT_H_IDX_MAX];
 	struct ice_extts_channel extts_channels[GLTSYN_TGT_H_IDX_MAX];
 	struct ptp_clock_info info;
@@ -289,27 +333,6 @@ struct ice_ptp {
 #define FIFO_EMPTY			BIT(2)
 #define FIFO_OK				0xFF
 #define ICE_PTP_FIFO_NUM_CHECKS		5
-/* Per-channel register definitions */
-#define GLTSYN_AUX_OUT(_chan, _idx)	(GLTSYN_AUX_OUT_0(_idx) + ((_chan) * 8))
-#define GLTSYN_AUX_IN(_chan, _idx)	(GLTSYN_AUX_IN_0(_idx) + ((_chan) * 8))
-#define GLTSYN_CLKO(_chan, _idx)	(GLTSYN_CLKO_0(_idx) + ((_chan) * 8))
-#define GLTSYN_TGT_L(_chan, _idx)	(GLTSYN_TGT_L_0(_idx) + ((_chan) * 16))
-#define GLTSYN_TGT_H(_chan, _idx)	(GLTSYN_TGT_H_0(_idx) + ((_chan) * 16))
-#define GLTSYN_EVNT_L(_chan, _idx)	(GLTSYN_EVNT_L_0(_idx) + ((_chan) * 16))
-#define GLTSYN_EVNT_H(_chan, _idx)	(GLTSYN_EVNT_H_0(_idx) + ((_chan) * 16))
-#define GLTSYN_EVNT_H_IDX_MAX		3
-
-/* Pin definitions for PTP PPS out */
-#define PPS_CLK_GEN_CHAN		3
-#define PPS_CLK_SRC_CHAN		2
-#define PPS_PIN_INDEX			5
-#define TIME_SYNC_PIN_INDEX		4
-#define N_EXT_TS_E810			3
-#define N_PER_OUT_E810			4
-#define N_PER_OUT_E810T			3
-#define N_PER_OUT_NO_SMA_E810T		2
-#define N_EXT_TS_NO_SMA_E810T		2
-#define ETH_GLTSYN_ENA(_i)		(0x03000348 + ((_i) * 4))
 
 #if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
 int ice_ptp_clock_index(struct ice_pf *pf);