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Use the new structure for all non-E810T products. Reviewed-by: Arkadiusz Kubalewski Signed-off-by: Karol Kolacinski --- drivers/net/ethernet/intel/ice/ice_ptp.c | 271 ++++++++++++++++------- drivers/net/ethernet/intel/ice/ice_ptp.h | 65 ++++-- 2 files changed, 229 insertions(+), 107 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index b652a3e25619..28b82c634194 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -5,6 +5,30 @@ #include "ice_lib.h" #include "ice_trace.h" +static const char ice_pin_names[][64] = { + "SDP0", + "SDP1", + "SDP2", + "SDP3", + "TIME_SYNC", + "1PPS" +}; + +static const struct ice_ptp_pin_desc ice_pin_desc_e82x[] = { + /* name, gpio */ + { TIME_SYNC, { -1, 4 }}, + { ONE_PPS, { 5, -1 }}, +}; + +static const struct ice_ptp_pin_desc ice_pin_desc_e810[] = { + /* name, gpio */ + { SDP0, { 0, 0 }}, + { SDP1, { 1, 1 }}, + { SDP2, { 2, 2 }}, + { SDP3, { 3, 3 }}, + { ONE_PPS, { 5, -1 }}, +}; + #define E810_OUT_PROP_DELAY_NS 1 static const struct ptp_pin_desc ice_pin_desc_e810t[] = { @@ -16,6 +40,29 @@ static const struct ptp_pin_desc ice_pin_desc_e810t[] = { { "U.FL2", UFL2, PTP_PF_NONE, 2, { 0, } }, }; +/** + * ice_ptp_find_pin_idx - Find pin index in ptp_pin_desc + * @pf: Board private structure + * @func: Pin function + * @chan: GPIO channel + * + * Return: positive pin number when pin is present, -1 otherwise + */ +static int ice_ptp_find_pin_idx(struct ice_pf *pf, enum ptp_pin_function func, + unsigned int chan) +{ + const struct ptp_clock_info *info = &pf->ptp.info; + int i; + + for (i = 0; i < info->n_pins; i++) { + if (info->pin_config[i].func == func && + info->pin_config[i].chan == chan) + return i; + } + + return -1; +} + /** * ice_get_sma_config_e810t * @hw: pointer to the hw struct @@ -1906,14 +1953,14 @@ static void ice_ptp_enable_all_clkout(struct ice_pf *pf) } /** - * ice_ptp_gpio_enable_e810 - Enable/disable ancillary features of PHC + * ice_ptp_gpio_enable_e810t - Enable/disable ancillary features of PHC * @info: the driver's PTP info structure * @rq: The requested feature to change * @on: Enable/disable flag */ static int -ice_ptp_gpio_enable_e810(struct ptp_clock_info *info, - struct ptp_clock_request *rq, int on) +ice_ptp_gpio_enable_e810t(struct ptp_clock_info *info, + struct ptp_clock_request *rq, int on) { struct ice_pf *pf = ptp_info_to_pf(info); bool sma_pres = false; @@ -1936,22 +1983,18 @@ ice_ptp_gpio_enable_e810(struct ptp_clock_info *info, clk_cfg.gpio_pin = GPIO_22; else return -1; - } else if (ice_is_e810t(&pf->hw)) { + } else { if (chan == 0) clk_cfg.gpio_pin = GPIO_20; else clk_cfg.gpio_pin = GPIO_22; - } else if (chan == PPS_CLK_GEN_CHAN) { - clk_cfg.gpio_pin = PPS_PIN_INDEX; - } else { - clk_cfg.gpio_pin = chan; } clk_cfg.flags = rq->perout.flags; - clk_cfg.period = ((rq->perout.period.sec * NSEC_PER_SEC) + - rq->perout.period.nsec); - clk_cfg.start_time = ((rq->perout.start.sec * NSEC_PER_SEC) + - rq->perout.start.nsec); + clk_cfg.period = rq->perout.period.sec * NSEC_PER_SEC + + rq->perout.period.nsec; + clk_cfg.start_time = rq->perout.start.sec * NSEC_PER_SEC + + rq->perout.start.nsec; clk_cfg.ena = !!on; return ice_ptp_cfg_clkout(pf, chan, &clk_cfg, true); @@ -1966,13 +2009,11 @@ ice_ptp_gpio_enable_e810(struct ptp_clock_info *info, gpio_pin = GPIO_21; else gpio_pin = GPIO_23; - } else if (ice_is_e810t(&pf->hw)) { + } else { if (chan == 0) gpio_pin = GPIO_21; else gpio_pin = GPIO_23; - } else { - gpio_pin = chan; } extts_cfg.flags = rq->extts.flags; @@ -1987,34 +2028,90 @@ ice_ptp_gpio_enable_e810(struct ptp_clock_info *info, } /** - * ice_ptp_gpio_enable_e823 - Enable/disable ancillary features of PHC + * ice_verify_pin - verify if pin supports requested pin function * @info: the driver's PTP info structure + * @pin: Pin index + * @func: Assigned function + * @chan: Assigned channel + * + * Return: 0 on success, -EOPNOTSUPP when function is not supported. + */ +static int ice_verify_pin(struct ptp_clock_info *info, unsigned int pin, + enum ptp_pin_function func, unsigned int chan) +{ + struct ice_pf *pf = ptp_info_to_pf(info); + const struct ice_ptp_pin_desc *pin_desc; + + pin_desc = &pf->ptp.ice_pin_desc[pin]; + + /* Is assigned function allowed? */ + switch (func) { + case PTP_PF_EXTTS: + if (pin_desc->gpio[0] < 0) + return -EOPNOTSUPP; + break; + case PTP_PF_PEROUT: + if (pin_desc->gpio[1] < 0) + return -EOPNOTSUPP; + break; + case PTP_PF_NONE: + break; + case PTP_PF_PHYSYNC: + default: + return -EOPNOTSUPP; + } + + return 0; +} + +/** + * ice_ptp_gpio_enable - Enable/disable ancillary features of PHC + * @info: The driver's PTP info structure * @rq: The requested feature to change * @on: Enable/disable flag + * + * Return: 0 on success, -EOPNOTSUPP when request type is not supported */ -static int ice_ptp_gpio_enable_e823(struct ptp_clock_info *info, - struct ptp_clock_request *rq, int on) +static int ice_ptp_gpio_enable(struct ptp_clock_info *info, + struct ptp_clock_request *rq, int on) { struct ice_pf *pf = ptp_info_to_pf(info); + int err; switch (rq->type) { - case PTP_CLK_REQ_PPS: + case PTP_CLK_REQ_PEROUT: { - struct ice_perout_channel clk_cfg = {}; + struct ice_perout_channel clk_cfg; + int pin_desc_idx; + + pin_desc_idx = ice_ptp_find_pin_idx(pf, PTP_PF_PEROUT, + rq->perout.index); + if (pin_desc_idx < 0) + return -EIO; + clk_cfg.flags = rq->perout.flags; - clk_cfg.gpio_pin = PPS_PIN_INDEX; - clk_cfg.period = NSEC_PER_SEC; + clk_cfg.gpio_pin = pf->ptp.ice_pin_desc[pin_desc_idx].gpio[1]; + clk_cfg.period = rq->perout.period.sec * NSEC_PER_SEC + + rq->perout.period.nsec; + clk_cfg.start_time = rq->perout.start.sec * NSEC_PER_SEC + + rq->perout.start.nsec; clk_cfg.ena = !!on; - return ice_ptp_cfg_clkout(pf, PPS_CLK_GEN_CHAN, &clk_cfg, true); + return ice_ptp_cfg_clkout(pf, rq->perout.index, &clk_cfg, true); } case PTP_CLK_REQ_EXTTS: { struct ice_extts_channel extts_cfg = {}; + int pin_desc_idx; + + pin_desc_idx = ice_ptp_find_pin_idx(pf, PTP_PF_EXTTS, + rq->extts.index); + if (pin_desc_idx < 0) + return -EIO; extts_cfg.flags = rq->extts.flags; - extts_cfg.gpio_pin = TIME_SYNC_PIN_INDEX; + extts_cfg.gpio_pin = pf->ptp.ice_pin_desc[pin_desc_idx].gpio[0]; extts_cfg.ena = !!on; return ice_ptp_cfg_extts(pf, rq->extts.index, &extts_cfg, true); @@ -2409,6 +2506,40 @@ u64 ice_ptp_get_rx_hwts(const union ice_32b_rx_flex_desc *rx_desc, return ts_ns; } +/** + * ice_ptp_setup_pin_cfg - setup PTP pin_config structure + * @pf: Board private structure + */ +static void ice_ptp_setup_pin_cfg(struct ice_pf *pf) +{ + uint extts_chans = 0; + uint po_chans = 0; + uint i; + + for (i = 0; i < pf->ptp.info.n_pins; i++) { + const struct ice_ptp_pin_desc *desc = &pf->ptp.ice_pin_desc[i]; + struct ptp_pin_desc *pin = &pf->ptp.pin_desc[i]; + const char *name = NULL; + + name = ice_pin_names[desc->name_idx]; + strscpy(pin->name, name, sizeof(pin->name)); + + pin->index = i; + if (desc->gpio[0] >= 0 && desc->gpio[1] < 0) { + pin->func = PTP_PF_EXTTS; + pin->chan = extts_chans++; + } else if (desc->gpio[1] >= 0 && desc->gpio[0] < 0) { + pin->func = PTP_PF_PEROUT; + pin->chan = po_chans++; + } else { + pin->func = PTP_PF_NONE; + pin->chan = 0; + } + } + + pf->ptp.info.pin_config = pf->ptp.pin_desc; +} + /** * ice_ptp_disable_sma_pins_e810t - Disable E810-T SMA pins * @pf: pointer to the PF structure @@ -2462,61 +2593,41 @@ ice_ptp_setup_sma_pins_e810t(struct ice_pf *pf, struct ptp_clock_info *info) } /** - * ice_ptp_setup_pins_e810 - Setup PTP pins in sysfs + * ice_ptp_setup_pins_e810t - Setup PTP pins in sysfs * @pf: pointer to the PF instance - * @info: PTP clock capabilities */ -static void -ice_ptp_setup_pins_e810(struct ice_pf *pf, struct ptp_clock_info *info) -{ - if (ice_is_feature_supported(pf, ICE_F_SMA_CTRL)) { - info->n_ext_ts = N_EXT_TS_E810; - info->n_per_out = N_PER_OUT_E810T; - info->n_pins = NUM_PTP_PINS_E810T; - info->verify = ice_verify_pin_e810t; - - /* Complete setup of the SMA pins */ - ice_ptp_setup_sma_pins_e810t(pf, info); - } else if (ice_is_e810t(&pf->hw)) { - info->n_ext_ts = N_EXT_TS_NO_SMA_E810T; - info->n_per_out = N_PER_OUT_NO_SMA_E810T; - } else { - info->n_per_out = N_PER_OUT_E810; - info->n_ext_ts = N_EXT_TS_E810; - } -} - -/** - * ice_ptp_setup_pins_e823 - Setup PTP pins in sysfs - * @pf: pointer to the PF instance - * @info: PTP clock capabilities - */ -static void -ice_ptp_setup_pins_e823(struct ice_pf *pf, struct ptp_clock_info *info) +static void ice_ptp_setup_pins_e810t(struct ice_pf *pf) { - info->pps = 1; - info->n_per_out = 0; - info->n_ext_ts = 1; + pf->ptp.info.enable = ice_ptp_gpio_enable_e810t; + pf->ptp.info.n_pins = NUM_PTP_PINS_E810T; + pf->ptp.info.verify = ice_verify_pin_e810t; + + /* Complete setup of the SMA pins */ + ice_ptp_setup_sma_pins_e810t(pf, &pf->ptp.info); } /** - * ice_ptp_set_funcs_e82x - Set specialized functions for E82x support + * ice_ptp_set_funcs_e82x - Set specialized functions for E82X support * @pf: Board private structure - * @info: PTP info to fill * - * Assign functions to the PTP capabiltiies structure for E82x devices. + * Assign functions to the PTP capabilities structure for E82X devices. * Functions which operate across all device families should be set directly - * in ice_ptp_set_caps. Only add functions here which are distinct for E82x + * in ice_ptp_set_caps. Only add functions here which are distinct for E82X * devices. */ -static void -ice_ptp_set_funcs_e82x(struct ice_pf *pf, struct ptp_clock_info *info) +static void ice_ptp_set_funcs_e82x(struct ice_pf *pf) { #ifdef CONFIG_ICE_HWTS if (boot_cpu_has(X86_FEATURE_ART) && boot_cpu_has(X86_FEATURE_TSC_KNOWN_FREQ)) - info->getcrosststamp = ice_ptp_getcrosststamp_e82x; + pf->ptp.info.getcrosststamp = ice_ptp_getcrosststamp_e82x; + #endif /* CONFIG_ICE_HWTS */ + pf->ptp.info.enable = ice_ptp_gpio_enable; + pf->ptp.info.verify = ice_verify_pin; + pf->ptp.ice_pin_desc = ice_pin_desc_e82x; + pf->ptp.info.n_pins = ICE_PIN_DESC_ARR_LEN(ice_pin_desc_e82x); + ice_ptp_setup_pin_cfg(pf); } /** @@ -2532,27 +2643,15 @@ ice_ptp_set_funcs_e82x(struct ice_pf *pf, struct ptp_clock_info *info) static void ice_ptp_set_funcs_e810(struct ice_pf *pf, struct ptp_clock_info *info) { - info->enable = ice_ptp_gpio_enable_e810; - ice_ptp_setup_pins_e810(pf, info); -} - -/** - * ice_ptp_set_funcs_e823 - Set specialized functions for E823 support - * @pf: Board private structure - * @info: PTP info to fill - * - * Assign functions to the PTP capabiltiies structure for E823 devices. - * Functions which operate across all device families should be set directly - * in ice_ptp_set_caps. Only add functions here which are distinct for e823 - * devices. - */ -static void -ice_ptp_set_funcs_e823(struct ice_pf *pf, struct ptp_clock_info *info) -{ - ice_ptp_set_funcs_e82x(pf, info); + if (ice_is_e810t(&pf->hw) && + ice_is_feature_supported(pf, ICE_F_SMA_CTRL)) { + ice_ptp_setup_pins_e810t(pf); + return; + } - info->enable = ice_ptp_gpio_enable_e823; - ice_ptp_setup_pins_e823(pf, info); + pf->ptp.ice_pin_desc = ice_pin_desc_e810; + pf->ptp.info.n_pins = ICE_PIN_DESC_ARR_LEN(ice_pin_desc_e810); + ice_ptp_setup_pin_cfg(pf); } /** @@ -2572,13 +2671,13 @@ static void ice_ptp_set_caps(struct ice_pf *pf) info->adjfine = ice_ptp_adjfine; info->gettimex64 = ice_ptp_gettimex64; info->settime64 = ice_ptp_settime64; + info->n_per_out = GLTSYN_TGT_H_IDX_MAX; + info->n_ext_ts = GLTSYN_EVNT_H_IDX_MAX; if (ice_is_e810(&pf->hw)) ice_ptp_set_funcs_e810(pf, info); - else if (ice_is_e823(&pf->hw)) - ice_ptp_set_funcs_e823(pf, info); else - ice_ptp_set_funcs_e82x(pf, info); + ice_ptp_set_funcs_e82x(pf); } /** diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.h b/drivers/net/ethernet/intel/ice/ice_ptp.h index 1d87dd67284d..982769dba832 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; @@ -290,27 +334,6 @@ 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);