diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.h b/drivers/net/ethernet/intel/ice/ice_ptp.h index d01507eba036..e1c787bd5b96 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.h +++ b/drivers/net/ethernet/intel/ice/ice_ptp.h @@ -9,6 +9,21 @@ #include "ice_ptp_hw.h" +enum ice_ptp_pin { + GPIO_20 = 0, + GPIO_21, + GPIO_22, + GPIO_23, + NUM_ICE_PTP_PIN +}; + +struct ice_perout_channel { + bool ena; + u32 gpio_pin; + u64 period; + u64 start_time; +}; + /* The ice hardware captures Tx hardware timestamps in the PHY. The timestamp * is stored in a buffer of registers. Depending on the specific hardware, * this buffer might be shared across multiple PHY ports. @@ -82,12 +97,18 @@ struct ice_ptp_port { struct ice_ptp_tx tx; }; +#define GLTSYN_TGT_H_IDX_MAX 4 + /** * struct ice_ptp - data used for integrating with CONFIG_PTP_1588_CLOCK * @port: data for the PHY port initialization procedure * @work: delayed work function for periodic tasks + * @extts_work: work function for handling external Tx timestamps * @cached_phc_time: a cached copy of the PHC time for timestamp extension + * @ext_ts_chan: the external timestamp channel in use + * @ext_ts_irq: the external timestamp IRQ in use * @kworker: kwork thread for handling periodic work + * @perout_channels: periodic output data * @info: structure defining PTP hardware capabilities * @clock: pointer to registered PTP clock device * @tstamp_config: hardware timestamping configuration @@ -95,8 +116,12 @@ struct ice_ptp_port { struct ice_ptp { struct ice_ptp_port port; struct kthread_delayed_work work; + struct kthread_work extts_work; u64 cached_phc_time; + u8 ext_ts_chan; + u8 ext_ts_irq; struct kthread_worker *kworker; + struct ice_perout_channel perout_channels[GLTSYN_TGT_H_IDX_MAX]; struct ptp_clock_info info; struct ptp_clock *clock; struct hwtstamp_config tstamp_config; @@ -115,6 +140,24 @@ struct ice_ptp { #define PTP_SHARED_CLK_IDX_VALID BIT(31) #define ICE_PTP_TS_VALID BIT(0) +/* 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 E810_N_EXT_TS 3 +#define E810_N_PER_OUT 4 + #if IS_ENABLED(CONFIG_PTP_1588_CLOCK) struct ice_pf; int ice_ptp_set_ts_config(struct ice_pf *pf, struct ifreq *ifr); |