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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2021, Intel Corporation. */
#ifndef _ICE_PTP_HW_H_
#define _ICE_PTP_HW_H_
enum ice_ptp_tmr_cmd {
INIT_TIME,
INIT_INCVAL,
ADJ_TIME,
ADJ_TIME_AT_TIME,
READ_TIME
};
/* Increment value to generate nanoseconds in the GLTSYN_TIME_L register for
* the E810 devices. Based off of a PLL with an 812.5 MHz frequency.
*/
#define ICE_PTP_NOMINAL_INCVAL_E810 0x13b13b13bULL
/* Device agnostic functions */
u8 ice_get_ptp_src_clock_index(struct ice_hw *hw);
bool ice_ptp_lock(struct ice_hw *hw);
void ice_ptp_unlock(struct ice_hw *hw);
int ice_ptp_init_time(struct ice_hw *hw, u64 time);
int ice_ptp_write_incval(struct ice_hw *hw, u64 incval);
int ice_ptp_write_incval_locked(struct ice_hw *hw, u64 incval);
int ice_ptp_adj_clock(struct ice_hw *hw, s32 adj);
int ice_read_phy_tstamp(struct ice_hw *hw, u8 block, u8 idx, u64 *tstamp);
int ice_clear_phy_tstamp(struct ice_hw *hw, u8 block, u8 idx);
/* E810 family functions */
int ice_ptp_init_phy_e810(struct ice_hw *hw);
#define PFTSYN_SEM_BYTES 4
/* PHY timer commands */
#define SEL_CPK_SRC 8
/* Time Sync command Definitions */
#define GLTSYN_CMD_INIT_TIME BIT(0)
#define GLTSYN_CMD_INIT_INCVAL BIT(1)
#define GLTSYN_CMD_ADJ_TIME BIT(2)
#define GLTSYN_CMD_ADJ_INIT_TIME (BIT(2) | BIT(3))
#define GLTSYN_CMD_READ_TIME BIT(7)
#define TS_CMD_MASK_E810 0xFF
#define SYNC_EXEC_CMD 0x3
/* E810 timesync enable register */
#define ETH_GLTSYN_ENA(_i) (0x03000348 + ((_i) * 4))
/* E810 shadow init time registers */
#define ETH_GLTSYN_SHTIME_0(i) (0x03000368 + ((i) * 32))
#define ETH_GLTSYN_SHTIME_L(i) (0x0300036C + ((i) * 32))
/* E810 shadow time adjust registers */
#define ETH_GLTSYN_SHADJ_L(_i) (0x03000378 + ((_i) * 32))
#define ETH_GLTSYN_SHADJ_H(_i) (0x0300037C + ((_i) * 32))
/* E810 timer command register */
#define ETH_GLTSYN_CMD 0x03000344
/* Source timer incval macros */
#define INCVAL_HIGH_M 0xFF
/* Timestamp block macros */
#define TS_LOW_M 0xFFFFFFFF
#define TS_HIGH_S 32
#define BYTES_PER_IDX_ADDR_L_U 8
/* External PHY timestamp address */
#define TS_EXT(a, port, idx) ((a) + (0x1000 * (port)) + \
((idx) * BYTES_PER_IDX_ADDR_L_U))
#define LOW_TX_MEMORY_BANK_START 0x03090000
#define HIGH_TX_MEMORY_BANK_START 0x03090004
#endif /* _ICE_PTP_HW_H_ */