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path: root/drivers/net/ethernet/intel/ice/ice_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ptp.c1455
1 files changed, 640 insertions, 815 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index ef2e858f49bb..74de7d8b17ac 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -4,253 +4,187 @@
#include "ice.h"
#include "ice_lib.h"
#include "ice_trace.h"
+#include "ice_cgu_regs.h"
+
+static const char ice_pin_names[][64] = {
+ "SDP0",
+ "SDP1",
+ "SDP2",
+ "SDP3",
+ "TIME_SYNC",
+ "1PPS"
+};
-#define E810_OUT_PROP_DELAY_NS 1
+static const struct ice_ptp_pin_desc ice_pin_desc_e82x[] = {
+ /* name, gpio */
+ { TIME_SYNC, { 4, -1 }},
+ { ONE_PPS, { -1, 5 }},
+};
-static const struct ptp_pin_desc ice_pin_desc_e810t[] = {
- /* name idx func chan */
- { "GNSS", GNSS, PTP_PF_EXTTS, 0, { 0, } },
- { "SMA1", SMA1, PTP_PF_NONE, 1, { 0, } },
- { "U.FL1", UFL1, PTP_PF_NONE, 1, { 0, } },
- { "SMA2", SMA2, PTP_PF_NONE, 2, { 0, } },
- { "U.FL2", UFL2, PTP_PF_NONE, 2, { 0, } },
+static const struct ice_ptp_pin_desc ice_pin_desc_e825c[] = {
+ /* name, gpio */
+ { SDP0, { 0, 0 }},
+ { SDP1, { 1, 1 }},
+ { SDP2, { 2, 2 }},
+ { SDP3, { 3, 3 }},
+ { TIME_SYNC, { 4, -1 }},
+ { ONE_PPS, { -1, 5 }},
};
-/**
- * ice_get_sma_config_e810t
- * @hw: pointer to the hw struct
- * @ptp_pins: pointer to the ptp_pin_desc struture
- *
- * Read the configuration of the SMA control logic and put it into the
- * ptp_pin_desc structure
- */
-static int
-ice_get_sma_config_e810t(struct ice_hw *hw, struct ptp_pin_desc *ptp_pins)
-{
- u8 data, i;
- int status;
+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, { -1, 5 }},
+};
- /* Read initial pin state */
- status = ice_read_sma_ctrl_e810t(hw, &data);
- if (status)
- return status;
+static const char ice_pin_names_nvm[][64] = {
+ "GNSS",
+ "SMA1",
+ "U.FL1",
+ "SMA2",
+ "U.FL2",
+};
- /* initialize with defaults */
- for (i = 0; i < NUM_PTP_PINS_E810T; i++) {
- strscpy(ptp_pins[i].name, ice_pin_desc_e810t[i].name,
- sizeof(ptp_pins[i].name));
- ptp_pins[i].index = ice_pin_desc_e810t[i].index;
- ptp_pins[i].func = ice_pin_desc_e810t[i].func;
- ptp_pins[i].chan = ice_pin_desc_e810t[i].chan;
- }
+static const struct ice_ptp_pin_desc ice_pin_desc_e810_sma[] = {
+ /* name, gpio */
+ { GNSS, { 1, -1 }},
+ { SMA1, { 1, 0 }},
+ { UFL1, { -1, 0 }},
+ { SMA2, { 3, 2 }},
+ { UFL2, { 3, -1 }},
+};
- /* Parse SMA1/UFL1 */
- switch (data & ICE_SMA1_MASK_E810T) {
- case ICE_SMA1_MASK_E810T:
- default:
- ptp_pins[SMA1].func = PTP_PF_NONE;
- ptp_pins[UFL1].func = PTP_PF_NONE;
- break;
- case ICE_SMA1_DIR_EN_E810T:
- ptp_pins[SMA1].func = PTP_PF_PEROUT;
- ptp_pins[UFL1].func = PTP_PF_NONE;
- break;
- case ICE_SMA1_TX_EN_E810T:
- ptp_pins[SMA1].func = PTP_PF_EXTTS;
- ptp_pins[UFL1].func = PTP_PF_NONE;
- break;
- case 0:
- ptp_pins[SMA1].func = PTP_PF_EXTTS;
- ptp_pins[UFL1].func = PTP_PF_PEROUT;
- break;
- }
+static struct ice_pf *ice_get_ctrl_pf(struct ice_pf *pf)
+{
+ return !pf->adapter ? NULL : pf->adapter->ctrl_pf;
+}
- /* Parse SMA2/UFL2 */
- switch (data & ICE_SMA2_MASK_E810T) {
- case ICE_SMA2_MASK_E810T:
- default:
- ptp_pins[SMA2].func = PTP_PF_NONE;
- ptp_pins[UFL2].func = PTP_PF_NONE;
- break;
- case (ICE_SMA2_TX_EN_E810T | ICE_SMA2_UFL2_RX_DIS_E810T):
- ptp_pins[SMA2].func = PTP_PF_EXTTS;
- ptp_pins[UFL2].func = PTP_PF_NONE;
- break;
- case (ICE_SMA2_DIR_EN_E810T | ICE_SMA2_UFL2_RX_DIS_E810T):
- ptp_pins[SMA2].func = PTP_PF_PEROUT;
- ptp_pins[UFL2].func = PTP_PF_NONE;
- break;
- case (ICE_SMA2_DIR_EN_E810T | ICE_SMA2_TX_EN_E810T):
- ptp_pins[SMA2].func = PTP_PF_NONE;
- ptp_pins[UFL2].func = PTP_PF_EXTTS;
- break;
- case ICE_SMA2_DIR_EN_E810T:
- ptp_pins[SMA2].func = PTP_PF_PEROUT;
- ptp_pins[UFL2].func = PTP_PF_EXTTS;
- break;
- }
+static struct ice_ptp *ice_get_ctrl_ptp(struct ice_pf *pf)
+{
+ struct ice_pf *ctrl_pf = ice_get_ctrl_pf(pf);
- return 0;
+ return !ctrl_pf ? NULL : &ctrl_pf->ptp;
}
/**
- * ice_ptp_set_sma_config_e810t
- * @hw: pointer to the hw struct
- * @ptp_pins: pointer to the ptp_pin_desc struture
+ * ice_ptp_find_pin_idx - Find pin index in ptp_pin_desc
+ * @pf: Board private structure
+ * @func: Pin function
+ * @chan: GPIO channel
*
- * Set the configuration of the SMA control logic based on the configuration in
- * num_pins parameter
+ * Return: positive pin number when pin is present, -1 otherwise
*/
-static int
-ice_ptp_set_sma_config_e810t(struct ice_hw *hw,
- const struct ptp_pin_desc *ptp_pins)
+static int ice_ptp_find_pin_idx(struct ice_pf *pf, enum ptp_pin_function func,
+ unsigned int chan)
{
- int status;
- u8 data;
+ const struct ptp_clock_info *info = &pf->ptp.info;
+ int i;
- /* SMA1 and UFL1 cannot be set to TX at the same time */
- if (ptp_pins[SMA1].func == PTP_PF_PEROUT &&
- ptp_pins[UFL1].func == PTP_PF_PEROUT)
- return -EINVAL;
+ for (i = 0; i < info->n_pins; i++) {
+ if (info->pin_config[i].func == func &&
+ info->pin_config[i].chan == chan)
+ return i;
+ }
- /* SMA2 and UFL2 cannot be set to RX at the same time */
- if (ptp_pins[SMA2].func == PTP_PF_EXTTS &&
- ptp_pins[UFL2].func == PTP_PF_EXTTS)
- return -EINVAL;
+ return -1;
+}
- /* Read initial pin state value */
- status = ice_read_sma_ctrl_e810t(hw, &data);
- if (status)
- return status;
-
- /* Set the right sate based on the desired configuration */
- data &= ~ICE_SMA1_MASK_E810T;
- if (ptp_pins[SMA1].func == PTP_PF_NONE &&
- ptp_pins[UFL1].func == PTP_PF_NONE) {
- dev_info(ice_hw_to_dev(hw), "SMA1 + U.FL1 disabled");
- data |= ICE_SMA1_MASK_E810T;
- } else if (ptp_pins[SMA1].func == PTP_PF_EXTTS &&
- ptp_pins[UFL1].func == PTP_PF_NONE) {
- dev_info(ice_hw_to_dev(hw), "SMA1 RX");
- data |= ICE_SMA1_TX_EN_E810T;
- } else if (ptp_pins[SMA1].func == PTP_PF_NONE &&
- ptp_pins[UFL1].func == PTP_PF_PEROUT) {
- /* U.FL 1 TX will always enable SMA 1 RX */
- dev_info(ice_hw_to_dev(hw), "SMA1 RX + U.FL1 TX");
- } else if (ptp_pins[SMA1].func == PTP_PF_EXTTS &&
- ptp_pins[UFL1].func == PTP_PF_PEROUT) {
- dev_info(ice_hw_to_dev(hw), "SMA1 RX + U.FL1 TX");
- } else if (ptp_pins[SMA1].func == PTP_PF_PEROUT &&
- ptp_pins[UFL1].func == PTP_PF_NONE) {
- dev_info(ice_hw_to_dev(hw), "SMA1 TX");
- data |= ICE_SMA1_DIR_EN_E810T;
- }
-
- data &= ~ICE_SMA2_MASK_E810T;
- if (ptp_pins[SMA2].func == PTP_PF_NONE &&
- ptp_pins[UFL2].func == PTP_PF_NONE) {
- dev_info(ice_hw_to_dev(hw), "SMA2 + U.FL2 disabled");
- data |= ICE_SMA2_MASK_E810T;
- } else if (ptp_pins[SMA2].func == PTP_PF_EXTTS &&
- ptp_pins[UFL2].func == PTP_PF_NONE) {
- dev_info(ice_hw_to_dev(hw), "SMA2 RX");
- data |= (ICE_SMA2_TX_EN_E810T |
- ICE_SMA2_UFL2_RX_DIS_E810T);
- } else if (ptp_pins[SMA2].func == PTP_PF_NONE &&
- ptp_pins[UFL2].func == PTP_PF_EXTTS) {
- dev_info(ice_hw_to_dev(hw), "UFL2 RX");
- data |= (ICE_SMA2_DIR_EN_E810T | ICE_SMA2_TX_EN_E810T);
- } else if (ptp_pins[SMA2].func == PTP_PF_PEROUT &&
- ptp_pins[UFL2].func == PTP_PF_NONE) {
- dev_info(ice_hw_to_dev(hw), "SMA2 TX");
- data |= (ICE_SMA2_DIR_EN_E810T |
- ICE_SMA2_UFL2_RX_DIS_E810T);
- } else if (ptp_pins[SMA2].func == PTP_PF_PEROUT &&
- ptp_pins[UFL2].func == PTP_PF_EXTTS) {
- dev_info(ice_hw_to_dev(hw), "SMA2 TX + U.FL2 RX");
- data |= ICE_SMA2_DIR_EN_E810T;
- }
-
- return ice_write_sma_ctrl_e810t(hw, data);
-}
-
-/**
- * ice_ptp_set_sma_e810t
- * @info: the driver's PTP info structure
- * @pin: pin index in kernel structure
- * @func: Pin function to be set (PTP_PF_NONE, PTP_PF_EXTTS or PTP_PF_PEROUT)
- *
- * Set the configuration of a single SMA pin
+/**
+ * ice_ptp_update_sma_data - update SMA pins data according to pins setup
+ * @pf: Board private structure
+ * @sma_pins: parsed SMA pins status
+ * @data: SMA data to update
*/
-static int
-ice_ptp_set_sma_e810t(struct ptp_clock_info *info, unsigned int pin,
- enum ptp_pin_function func)
+static void ice_ptp_update_sma_data(struct ice_pf *pf, unsigned int sma_pins[],
+ u8 *data)
{
- struct ptp_pin_desc ptp_pins[NUM_PTP_PINS_E810T];
- struct ice_pf *pf = ptp_info_to_pf(info);
- struct ice_hw *hw = &pf->hw;
- int err;
-
- if (pin < SMA1 || func > PTP_PF_PEROUT)
- return -EOPNOTSUPP;
-
- err = ice_get_sma_config_e810t(hw, ptp_pins);
- if (err)
- return err;
-
- /* Disable the same function on the other pin sharing the channel */
- if (pin == SMA1 && ptp_pins[UFL1].func == func)
- ptp_pins[UFL1].func = PTP_PF_NONE;
- if (pin == UFL1 && ptp_pins[SMA1].func == func)
- ptp_pins[SMA1].func = PTP_PF_NONE;
+ const char *state1, *state2;
- if (pin == SMA2 && ptp_pins[UFL2].func == func)
- ptp_pins[UFL2].func = PTP_PF_NONE;
- if (pin == UFL2 && ptp_pins[SMA2].func == func)
- ptp_pins[SMA2].func = PTP_PF_NONE;
+ /* Set the right state based on the desired configuration.
+ * When bit is set, functionality is disabled.
+ */
+ *data &= ~ICE_ALL_SMA_MASK;
+ if (!sma_pins[UFL1 - 1]) {
+ if (sma_pins[SMA1 - 1] == PTP_PF_EXTTS) {
+ state1 = "SMA1 Rx, U.FL1 disabled";
+ *data |= ICE_SMA1_TX_EN;
+ } else if (sma_pins[SMA1 - 1] == PTP_PF_PEROUT) {
+ state1 = "SMA1 Tx U.FL1 disabled";
+ *data |= ICE_SMA1_DIR_EN;
+ } else {
+ state1 = "SMA1 disabled, U.FL1 disabled";
+ *data |= ICE_SMA1_MASK;
+ }
+ } else {
+ /* U.FL1 Tx will always enable SMA1 Rx */
+ state1 = "SMA1 Rx, U.FL1 Tx";
+ }
- /* Set up new pin function in the temp table */
- ptp_pins[pin].func = func;
+ if (!sma_pins[UFL2 - 1]) {
+ if (sma_pins[SMA2 - 1] == PTP_PF_EXTTS) {
+ state2 = "SMA2 Rx, U.FL2 disabled";
+ *data |= ICE_SMA2_TX_EN | ICE_SMA2_UFL2_RX_DIS;
+ } else if (sma_pins[SMA2 - 1] == PTP_PF_PEROUT) {
+ state2 = "SMA2 Tx, U.FL2 disabled";
+ *data |= ICE_SMA2_DIR_EN | ICE_SMA2_UFL2_RX_DIS;
+ } else {
+ state2 = "SMA2 disabled, U.FL2 disabled";
+ *data |= ICE_SMA2_MASK;
+ }
+ } else {
+ if (!sma_pins[SMA2 - 1]) {
+ state2 = "SMA2 disabled, U.FL2 Rx";
+ *data |= ICE_SMA2_DIR_EN | ICE_SMA2_TX_EN;
+ } else {
+ state2 = "SMA2 Tx, U.FL2 Rx";
+ *data |= ICE_SMA2_DIR_EN;
+ }
+ }
- return ice_ptp_set_sma_config_e810t(hw, ptp_pins);
+ dev_dbg(ice_pf_to_dev(pf), "%s, %s\n", state1, state2);
}
/**
- * ice_verify_pin_e810t
- * @info: the driver's PTP info structure
- * @pin: Pin index
- * @func: Assigned function
- * @chan: Assigned channel
+ * ice_ptp_set_sma_cfg - set the configuration of the SMA control logic
+ * @pf: Board private structure
*
- * Verify if pin supports requested pin function. If the Check pins consistency.
- * Reconfigure the SMA logic attached to the given pin to enable its
- * desired functionality
+ * Return: 0 on success, negative error code otherwise
*/
-static int
-ice_verify_pin_e810t(struct ptp_clock_info *info, unsigned int pin,
- enum ptp_pin_function func, unsigned int chan)
+static int ice_ptp_set_sma_cfg(struct ice_pf *pf)
{
- /* Don't allow channel reassignment */
- if (chan != ice_pin_desc_e810t[pin].chan)
- return -EOPNOTSUPP;
+ const struct ice_ptp_pin_desc *ice_pins = pf->ptp.ice_pin_desc;
+ struct ptp_pin_desc *pins = pf->ptp.pin_desc;
+ unsigned int sma_pins[ICE_SMA_PINS_NUM] = {};
+ int err;
+ u8 data;
- /* Check if functions are properly assigned */
- switch (func) {
- case PTP_PF_NONE:
- break;
- case PTP_PF_EXTTS:
- if (pin == UFL1)
- return -EOPNOTSUPP;
- break;
- case PTP_PF_PEROUT:
- if (pin == UFL2 || pin == GNSS)
- return -EOPNOTSUPP;
- break;
- case PTP_PF_PHYSYNC:
- return -EOPNOTSUPP;
- }
+ /* Read initial pin state value */
+ err = ice_read_sma_ctrl(&pf->hw, &data);
+ if (err)
+ return err;
- return ice_ptp_set_sma_e810t(info, pin, func);
+ /* Get SMA/U.FL pins states */
+ for (int i = 0; i < pf->ptp.info.n_pins; i++)
+ if (pins[i].func) {
+ int name_idx = ice_pins[i].name_idx;
+
+ switch (name_idx) {
+ case SMA1:
+ case UFL1:
+ case SMA2:
+ case UFL2:
+ sma_pins[name_idx - 1] = pins[i].func;
+ break;
+ default:
+ continue;
+ }
+ }
+
+ ice_ptp_update_sma_data(pf, sma_pins, &data);
+ return ice_write_sma_ctrl(&pf->hw, data);
}
/**
@@ -800,8 +734,8 @@ static enum ice_tx_tstamp_work ice_ptp_tx_tstamp_owner(struct ice_pf *pf)
struct ice_ptp_port *port;
unsigned int i;
- mutex_lock(&pf->ptp.ports_owner.lock);
- list_for_each_entry(port, &pf->ptp.ports_owner.ports, list_member) {
+ mutex_lock(&pf->adapter->ports.lock);
+ list_for_each_entry(port, &pf->adapter->ports.ports, list_node) {
struct ice_ptp_tx *tx = &port->tx;
if (!tx || !tx->init)
@@ -809,7 +743,7 @@ static enum ice_tx_tstamp_work ice_ptp_tx_tstamp_owner(struct ice_pf *pf)
ice_ptp_process_tx_tstamp(tx);
}
- mutex_unlock(&pf->ptp.ports_owner.lock);
+ mutex_unlock(&pf->adapter->ports.lock);
for (i = 0; i < ICE_GET_QUAD_NUM(pf->hw.ptp.num_lports); i++) {
u64 tstamp_ready;
@@ -974,7 +908,7 @@ ice_ptp_flush_all_tx_tracker(struct ice_pf *pf)
{
struct ice_ptp_port *port;
- list_for_each_entry(port, &pf->ptp.ports_owner.ports, list_member)
+ list_for_each_entry(port, &pf->adapter->ports.ports, list_node)
ice_ptp_flush_tx_tracker(ptp_port_to_pf(port), &port->tx);
}
@@ -1363,7 +1297,7 @@ ice_ptp_port_phy_stop(struct ice_ptp_port *ptp_port)
mutex_lock(&ptp_port->ps_lock);
- switch (hw->ptp.phy_model) {
+ switch (ice_get_phy_model(hw)) {
case ICE_PHY_ETH56G:
err = ice_stop_phy_timer_eth56g(hw, port, true);
break;
@@ -1409,7 +1343,7 @@ ice_ptp_port_phy_restart(struct ice_ptp_port *ptp_port)
mutex_lock(&ptp_port->ps_lock);
- switch (hw->ptp.phy_model) {
+ switch (ice_get_phy_model(hw)) {
case ICE_PHY_ETH56G:
err = ice_start_phy_timer_eth56g(hw, port);
break;
@@ -1480,8 +1414,7 @@ void ice_ptp_link_change(struct ice_pf *pf, u8 port, bool linkup)
/* Skip HW writes if reset is in progress */
if (pf->hw.reset_ongoing)
return;
-
- switch (hw->ptp.phy_model) {
+ switch (ice_get_phy_model(hw)) {
case ICE_PHY_E810:
/* Do not reconfigure E810 PHY */
return;
@@ -1514,7 +1447,7 @@ static int ice_ptp_cfg_phy_interrupt(struct ice_pf *pf, bool ena, u32 threshold)
ice_ptp_reset_ts_memory(hw);
- switch (hw->ptp.phy_model) {
+ switch (ice_get_phy_model(hw)) {
case ICE_PHY_ETH56G: {
int port;
@@ -1553,7 +1486,7 @@ static int ice_ptp_cfg_phy_interrupt(struct ice_pf *pf, bool ena, u32 threshold)
case ICE_PHY_UNSUP:
default:
dev_warn(dev, "%s: Unexpected PHY model %d\n", __func__,
- hw->ptp.phy_model);
+ ice_get_phy_model(hw));
return -EOPNOTSUPP;
}
}
@@ -1575,10 +1508,10 @@ static void ice_ptp_restart_all_phy(struct ice_pf *pf)
{
struct list_head *entry;
- list_for_each(entry, &pf->ptp.ports_owner.ports) {
+ list_for_each(entry, &pf->adapter->ports.ports) {
struct ice_ptp_port *port = list_entry(entry,
struct ice_ptp_port,
- list_member);
+ list_node);
if (port->link_up)
ice_ptp_port_phy_restart(port);
@@ -1651,33 +1584,41 @@ void ice_ptp_extts_event(struct ice_pf *pf)
/**
* ice_ptp_cfg_extts - Configure EXTTS pin and channel
* @pf: Board private structure
- * @chan: GPIO channel (0-3)
- * @config: desired EXTTS configuration.
- * @store: If set to true, the values will be stored
+ * @rq: External timestamp request
+ * @on: Enable/disable flag
*
* Configure an external timestamp event on the requested channel.
*
- * Return: 0 on success, -EOPNOTUSPP on unsupported flags
+ * Return: 0 on success, negative error code otherwise
*/
-static int ice_ptp_cfg_extts(struct ice_pf *pf, unsigned int chan,
- struct ice_extts_channel *config, bool store)
+static int ice_ptp_cfg_extts(struct ice_pf *pf, struct ptp_extts_request *rq,
+ int on)
{
- u32 func, aux_reg, gpio_reg, irq_reg;
+ u32 aux_reg, gpio_reg, irq_reg;
struct ice_hw *hw = &pf->hw;
+ unsigned int chan, gpio_pin;
+ int pin_desc_idx;
u8 tmr_idx;
/* Reject requests with unsupported flags */
- if (config->flags & ~(PTP_ENABLE_FEATURE |
- PTP_RISING_EDGE |
- PTP_FALLING_EDGE |
- PTP_STRICT_FLAGS))
+
+ if (rq->flags & ~(PTP_ENABLE_FEATURE |
+ PTP_RISING_EDGE |
+ PTP_FALLING_EDGE |
+ PTP_STRICT_FLAGS))
return -EOPNOTSUPP;
tmr_idx = hw->func_caps.ts_func_info.tmr_index_owned;
+ chan = rq->index;
+
+ pin_desc_idx = ice_ptp_find_pin_idx(pf, PTP_PF_EXTTS, chan);
+ if (pin_desc_idx < 0)
+ return -EIO;
+ gpio_pin = pf->ptp.ice_pin_desc[pin_desc_idx].gpio[0];
irq_reg = rd32(hw, PFINT_OICR_ENA);
- if (config->ena) {
+ if (on) {
/* Enable the interrupt */
irq_reg |= PFINT_OICR_TSYN_EVNT_M;
aux_reg = GLTSYN_AUX_IN_0_INT_ENA_M;
@@ -1686,33 +1627,38 @@ static int ice_ptp_cfg_extts(struct ice_pf *pf, unsigned int chan,
#define GLTSYN_AUX_IN_0_EVNTLVL_FALLING_EDGE BIT(1)
/* set event level to requested edge */
- if (config->flags & PTP_FALLING_EDGE)
+ if (rq->flags & PTP_FALLING_EDGE)
aux_reg |= GLTSYN_AUX_IN_0_EVNTLVL_FALLING_EDGE;
- if (config->flags & PTP_RISING_EDGE)
+ if (rq->flags & PTP_RISING_EDGE)
aux_reg |= GLTSYN_AUX_IN_0_EVNTLVL_RISING_EDGE;
/* Write GPIO CTL reg.
* 0x1 is input sampled by EVENT register(channel)
* + num_in_channels * tmr_idx
*/
- func = 1 + chan + (tmr_idx * 3);
- gpio_reg = FIELD_PREP(GLGEN_GPIO_CTL_PIN_FUNC_M, func);
- pf->ptp.ext_ts_chan |= (1 << chan);
+ gpio_reg = FIELD_PREP(GLGEN_GPIO_CTL_PIN_FUNC_M,
+ 1 + chan + (tmr_idx * 3));
} else {
+ bool last_enabled = true;
+
/* clear the values we set to reset defaults */
aux_reg = 0;
gpio_reg = 0;
- pf->ptp.ext_ts_chan &= ~(1 << chan);
- if (!pf->ptp.ext_ts_chan)
+
+ for (unsigned int i = 0; i < pf->ptp.info.n_ext_ts; i++)
+ if ((pf->ptp.extts_rqs[i].flags &
+ PTP_ENABLE_FEATURE) &&
+ i != chan) {
+ last_enabled = false;
+ }
+
+ if (last_enabled)
irq_reg &= ~PFINT_OICR_TSYN_EVNT_M;
}
wr32(hw, PFINT_OICR_ENA, irq_reg);
wr32(hw, GLTSYN_AUX_IN(chan, tmr_idx), aux_reg);
- wr32(hw, GLGEN_GPIO_CTL(config->gpio_pin), gpio_reg);
-
- if (store)
- memcpy(&pf->ptp.extts_channels[chan], config, sizeof(*config));
+ wr32(hw, GLGEN_GPIO_CTL(gpio_pin), gpio_reg);
return 0;
}
@@ -1723,16 +1669,10 @@ static int ice_ptp_cfg_extts(struct ice_pf *pf, unsigned int chan,
*/
static void ice_ptp_disable_all_extts(struct ice_pf *pf)
{
- struct ice_extts_channel extts_cfg = {};
- int i;
-
- for (i = 0; i < pf->ptp.info.n_ext_ts; i++) {
- if (pf->ptp.extts_channels[i].ena) {
- extts_cfg.gpio_pin = pf->ptp.extts_channels[i].gpio_pin;
- extts_cfg.ena = false;
- ice_ptp_cfg_extts(pf, i, &extts_cfg, false);
- }
- }
+ for (unsigned int i = 0; i < pf->ptp.info.n_ext_ts ; i++)
+ if (pf->ptp.extts_rqs[i].flags & PTP_ENABLE_FEATURE)
+ ice_ptp_cfg_extts(pf, &pf->ptp.extts_rqs[i],
+ false);
synchronize_irq(pf->oicr_irq.virq);
}
@@ -1745,273 +1685,322 @@ static void ice_ptp_disable_all_extts(struct ice_pf *pf)
*/
static void ice_ptp_enable_all_extts(struct ice_pf *pf)
{
- int i;
-
- for (i = 0; i < pf->ptp.info.n_ext_ts; i++) {
- if (pf->ptp.extts_channels[i].ena)
- ice_ptp_cfg_extts(pf, i, &pf->ptp.extts_channels[i],
- false);
- }
+ for (unsigned int i = 0; i < pf->ptp.info.n_ext_ts ; i++)
+ if (pf->ptp.extts_rqs[i].flags & PTP_ENABLE_FEATURE)
+ ice_ptp_cfg_extts(pf, &pf->ptp.extts_rqs[i],
+ true);
}
/**
- * ice_ptp_cfg_clkout - Configure clock to generate periodic wave
- * @pf: Board private structure
- * @chan: GPIO channel (0-3)
- * @config: desired periodic clk configuration. NULL will disable channel
- * @store: If set to true the values will be stored
+ * ice_ptp_write_perout - Write periodic wave parameters to HW
+ * @hw: pointer to the HW struct
+ * @chan: target channel
+ * @gpio_pin: target GPIO pin
+ * @start: target time to start periodic output
+ * @period: target period
*
- * Configure the internal clock generator modules to generate the clock wave of
- * specified period.
+ * Return: 0 on success, negative error code otherwise
*/
-static int ice_ptp_cfg_clkout(struct ice_pf *pf, unsigned int chan,
- struct ice_perout_channel *config, bool store)
+static int ice_ptp_write_perout(struct ice_hw *hw, unsigned int chan,
+ unsigned int gpio_pin, u64 start, u64 period)
{
- u64 current_time, period, start_time, phase;
- struct ice_hw *hw = &pf->hw;
- u32 func, val, gpio_pin;
- u8 tmr_idx;
- if (config && config->flags & ~PTP_PEROUT_PHASE)
- return -EOPNOTSUPP;
-
- tmr_idx = hw->func_caps.ts_func_info.tmr_index_owned;
+ u8 tmr_idx = hw->func_caps.ts_func_info.tmr_index_owned;
+ u32 val = 0;
/* 0. Reset mode & out_en in AUX_OUT */
wr32(hw, GLTSYN_AUX_OUT(chan, tmr_idx), 0);
- /* If we're disabling the output, clear out CLKO and TGT and keep
- * output level low
- */
- if (!config || !config->ena) {
- wr32(hw, GLTSYN_CLKO(chan, tmr_idx), 0);
- wr32(hw, GLTSYN_TGT_L(chan, tmr_idx), 0);
- wr32(hw, GLTSYN_TGT_H(chan, tmr_idx), 0);
-
- val = GLGEN_GPIO_CTL_PIN_DIR_M;
- gpio_pin = pf->ptp.perout_channels[chan].gpio_pin;
- wr32(hw, GLGEN_GPIO_CTL(gpio_pin), val);
-
- /* Store the value if requested */
- if (store)
- memset(&pf->ptp.perout_channels[chan], 0,
- sizeof(struct ice_perout_channel));
-
- return 0;
- }
- period = config->period;
- start_time = config->start_time;
- div64_u64_rem(start_time, period, &phase);
- gpio_pin = config->gpio_pin;
+ if (ice_is_e825c(hw)) {
+ int err;
- /* 1. Write clkout with half of required period value */
- if (period & 0x1) {
- dev_err(ice_pf_to_dev(pf), "CLK Period must be an even value\n");
- goto err;
+ /* Enable/disable CGU 1PPS output for E825C */
+ err = ice_cgu_cfg_pps_out(hw, !!period);
+ if (err)
+ return err;
}
+ /* 1. Write perout with half of required period value.
+ * HW toggles output when source clock hits the TGT and then adds
+ * GLTSYN_CLKO value to the target, so it ends up with 50% duty cycle.
+ */
period >>= 1;
- /* For proper operation, the GLTSYN_CLKO must be larger than clock tick
+ /* For proper operation, GLTSYN_CLKO must be larger than clock tick and
+ * period has to fit in 32 bit register.
*/
#define MIN_PULSE 3
- if (period <= MIN_PULSE || period > U32_MAX) {
- dev_err(ice_pf_to_dev(pf), "CLK Period must be > %d && < 2^33",
- MIN_PULSE * 2);
- goto err;
+ if (!!period && (period <= MIN_PULSE || period > U32_MAX)) {
+ dev_err(ice_hw_to_dev(hw), "CLK period ticks must be >= %d && <= 2^32",
+ MIN_PULSE);
+ return -EIO;
}
wr32(hw, GLTSYN_CLKO(chan, tmr_idx), lower_32_bits(period));
- /* Allow time for programming before start_time is hit */
- current_time = ice_ptp_read_src_clk_reg(pf, NULL);
-
- /* if start time is in the past start the timer at the nearest second
- * maintaining phase
- */
- if (start_time < current_time)
- start_time = roundup_u64(current_time, NSEC_PER_SEC) + phase;
-
- if (ice_is_e810(hw))
- start_time -= E810_OUT_PROP_DELAY_NS;
- else
- start_time -= ice_e82x_pps_delay(ice_e82x_time_ref(hw));
-
/* 2. Write TARGET time */
- wr32(hw, GLTSYN_TGT_L(chan, tmr_idx), lower_32_bits(start_time));
- wr32(hw, GLTSYN_TGT_H(chan, tmr_idx), upper_32_bits(start_time));
+ wr32(hw, GLTSYN_TGT_L(chan, tmr_idx), lower_32_bits(start));
+ wr32(hw, GLTSYN_TGT_H(chan, tmr_idx), upper_32_bits(start));
/* 3. Write AUX_OUT register */
- val = GLTSYN_AUX_OUT_0_OUT_ENA_M | GLTSYN_AUX_OUT_0_OUTMOD_M;
+ if (!!period)
+ val = GLTSYN_AUX_OUT_0_OUT_ENA_M | GLTSYN_AUX_OUT_0_OUTMOD_M;
wr32(hw, GLTSYN_AUX_OUT(chan, tmr_idx), val);
/* 4. write GPIO CTL reg */
- func = 8 + chan + (tmr_idx * 4);
- val = GLGEN_GPIO_CTL_PIN_DIR_M |
- FIELD_PREP(GLGEN_GPIO_CTL_PIN_FUNC_M, func);
+ val = GLGEN_GPIO_CTL_PIN_DIR_M;
+ if (!!period)
+ val |= FIELD_PREP(GLGEN_GPIO_CTL_PIN_FUNC_M,
+ 8 + chan + (tmr_idx * 4));
+
wr32(hw, GLGEN_GPIO_CTL(gpio_pin), val);
- /* Store the value if requested */
- if (store) {
- memcpy(&pf->ptp.perout_channels[chan], config,
- sizeof(struct ice_perout_channel));
- pf->ptp.perout_channels[chan].start_time = phase;
+ return 0;
+}
+
+/**
+ * ice_ptp_cfg_perout - Configure clock to generate periodic wave
+ * @pf: Board private structure
+ * @rq: Periodic output request
+ * @on: Enable/disable flag
+ *
+ * Configure the internal clock generator modules to generate the clock wave of
+ * specified period.
+ *
+ * Return: 0 on success, negative error code otherwise
+ */
+static int ice_ptp_cfg_perout(struct ice_pf *pf, struct ptp_perout_request *rq,
+ int on)
+{
+ u64 clk, period, start, phase;
+ struct ice_hw *hw = &pf->hw;
+ unsigned int gpio_pin;
+ int pin_desc_idx;
+
+ if (rq->flags & ~PTP_PEROUT_PHASE)
+ return -EOPNOTSUPP;
+
+ pin_desc_idx = ice_ptp_find_pin_idx(pf, PTP_PF_PEROUT, rq->index);
+ if (pin_desc_idx < 0)
+ return -EIO;
+
+ gpio_pin = pf->ptp.ice_pin_desc[pin_desc_idx].gpio[1];
+ period = rq->period.sec * NSEC_PER_SEC + rq->period.nsec;
+
+ /* If we're disabling the output or period is 0, clear out CLKO and TGT
+ * and keep output level low.
+ */
+ if (!on || !period)
+ return ice_ptp_write_perout(hw, rq->index, gpio_pin, 0, 0);
+
+ if (strncmp(pf->ptp.pin_desc[pin_desc_idx].name, "1PPS", 64) == 0 &&
+ period != NSEC_PER_SEC && hw->ptp.phy_model == ICE_PHY_E82X) {
+ dev_err(ice_pf_to_dev(pf), "1PPS pin supports only 1 s period\n");
+ return -EOPNOTSUPP;
}
- return 0;
-err:
- dev_err(ice_pf_to_dev(pf), "PTP failed to cfg per_clk\n");
- return -EFAULT;
+ if (period & 0x1) {
+ dev_err(ice_pf_to_dev(pf), "CLK Period must be an even value\n");
+ return -EIO;
+ }
+
+ start = rq->start.sec * NSEC_PER_SEC + rq->start.nsec;
+
+ /* If PTP_PEROUT_PHASE is set, rq has phase instead of start time */
+ if (rq->flags & PTP_PEROUT_PHASE)
+ phase = start;
+ else
+ div64_u64_rem(start, period, &phase);
+
+ /* If we have only phase or start time is in the past, start the timer
+ * at the next multiple of period, maintaining phase.
+ */
+ clk = ice_ptp_read_src_clk_reg(pf, NULL);
+ if (rq->flags & PTP_PEROUT_PHASE || start <= clk - ice_prop_delay(hw))
+ start = div64_u64(clk + period - 1, period) * period + phase;
+
+ /* Compensate for propagation delay from the generator to the pin. */
+ start -= ice_prop_delay(hw);
+
+ return ice_ptp_write_perout(hw, rq->index, gpio_pin, start, period);
}
/**
- * ice_ptp_disable_all_clkout - Disable all currently configured outputs
- * @pf: pointer to the PF structure
+ * ice_ptp_disable_all_perout - Disable all currently configured outputs
+ * @pf: Board private structure
*
* Disable all currently configured clock outputs. This is necessary before
- * certain changes to the PTP hardware clock. Use ice_ptp_enable_all_clkout to
+ * certain changes to the PTP hardware clock. Use ice_ptp_enable_all_perout to
* re-enable the clocks again.
*/
-static void ice_ptp_disable_all_clkout(struct ice_pf *pf)
+static void ice_ptp_disable_all_perout(struct ice_pf *pf)
{
- uint i;
-
- for (i = 0; i < pf->ptp.info.n_per_out; i++)
- if (pf->ptp.perout_channels[i].ena)
- ice_ptp_cfg_clkout(pf, i, NULL, false);
+ for (unsigned int i = 0; i < pf->ptp.info.n_per_out; i++)
+ if (pf->ptp.perout_rqs[i].period.sec ||
+ pf->ptp.perout_rqs[i].period.nsec)
+ ice_ptp_cfg_perout(pf, &pf->ptp.perout_rqs[i],
+ false);
}
/**
- * ice_ptp_enable_all_clkout - Enable all configured periodic clock outputs
- * @pf: pointer to the PF structure
+ * ice_ptp_enable_all_perout - Enable all configured periodic clock outputs
+ * @pf: Board private structure
*
* Enable all currently configured clock outputs. Use this after
- * ice_ptp_disable_all_clkout to reconfigure the output signals according to
+ * ice_ptp_disable_all_perout to reconfigure the output signals according to
* their configuration.
*/
-static void ice_ptp_enable_all_clkout(struct ice_pf *pf)
+static void ice_ptp_enable_all_perout(struct ice_pf *pf)
{
- uint i;
-
- for (i = 0; i < pf->ptp.info.n_per_out; i++)
- if (pf->ptp.perout_channels[i].ena)
- ice_ptp_cfg_clkout(pf, i, &pf->ptp.perout_channels[i],
- false);
+ for (unsigned int i = 0; i < pf->ptp.info.n_per_out; i++)
+ if (pf->ptp.perout_rqs[i].period.sec ||
+ pf->ptp.perout_rqs[i].period.nsec)
+ ice_ptp_cfg_perout(pf, &pf->ptp.perout_rqs[i],
+ true);
}
/**
- * ice_ptp_gpio_enable_e810 - Enable/disable ancillary features of PHC
- * @info: the driver's PTP info structure
- * @rq: The requested feature to change
- * @on: Enable/disable flag
+ * ice_ptp_disable_shared_pin - Disable enabled pin that shares GPIO
+ * @pf: Board private structure
+ * @pin: Pin index
+ * @func: Assigned function
+ *
+ * Return: 0 on success, negative error code otherwise
*/
-static int
-ice_ptp_gpio_enable_e810(struct ptp_clock_info *info,
- struct ptp_clock_request *rq, int on)
+static int ice_ptp_disable_shared_pin(struct ice_pf *pf, unsigned int pin,
+ enum ptp_pin_function func)
{
- struct ice_pf *pf = ptp_info_to_pf(info);
- bool sma_pres = false;
- unsigned int chan;
- u32 gpio_pin;
+ unsigned int gpio_pin;
- if (ice_is_feature_supported(pf, ICE_F_SMA_CTRL))
- sma_pres = true;
+ switch (func) {
+ case PTP_PF_PEROUT:
+ gpio_pin = pf->ptp.ice_pin_desc[pin].gpio[1];
+ break;
+ case PTP_PF_EXTTS:
+ gpio_pin = pf->ptp.ice_pin_desc[pin].gpio[0];
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
- switch (rq->type) {
- case PTP_CLK_REQ_PEROUT:
- {
- struct ice_perout_channel clk_cfg = {};
-
- chan = rq->perout.index;
- if (sma_pres) {
- if (chan == ice_pin_desc_e810t[SMA1].chan)
- clk_cfg.gpio_pin = GPIO_20;
- else if (chan == ice_pin_desc_e810t[SMA2].chan)
- clk_cfg.gpio_pin = GPIO_22;
- else
- return -1;
- } else if (ice_is_e810t(&pf->hw)) {
- 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;
- }
+ for (unsigned int i = 0; i < pf->ptp.info.n_pins; i++) {
+ struct ptp_pin_desc *pin_desc = &pf->ptp.pin_desc[i];
+ unsigned int chan = pin_desc->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.ena = !!on;
+ /* Skip pin idx from the request */
+ if (i == pin)
+ continue;
- return ice_ptp_cfg_clkout(pf, chan, &clk_cfg, true);
- }
- case PTP_CLK_REQ_EXTTS:
- {
- struct ice_extts_channel extts_cfg = {};
-
- chan = rq->extts.index;
- if (sma_pres) {
- if (chan < ice_pin_desc_e810t[SMA2].chan)
- gpio_pin = GPIO_21;
- else
- gpio_pin = GPIO_23;
- } else if (ice_is_e810t(&pf->hw)) {
- if (chan == 0)
- gpio_pin = GPIO_21;
- else
- gpio_pin = GPIO_23;
- } else {
- gpio_pin = chan;
+ if (pin_desc->func == PTP_PF_PEROUT &&
+ pf->ptp.ice_pin_desc[i].gpio[1] == gpio_pin) {
+ pf->ptp.perout_rqs[chan].period.sec = 0;
+ pf->ptp.perout_rqs[chan].period.nsec = 0;
+ pin_desc->func = PTP_PF_NONE;
+ pin_desc->chan = 0;
+ dev_dbg(ice_pf_to_dev(pf), "Disabling pin %u with shared output GPIO pin %u\n",
+ i, gpio_pin);
+ return ice_ptp_cfg_perout(pf, &pf->ptp.perout_rqs[chan],
+ false);
+ } else if (pf->ptp.pin_desc->func == PTP_PF_EXTTS &&
+ pf->ptp.ice_pin_desc[i].gpio[0] == gpio_pin) {
+ pf->ptp.extts_rqs[chan].flags &= ~PTP_ENABLE_FEATURE;
+ pin_desc->func = PTP_PF_NONE;
+ pin_desc->chan = 0;
+ dev_dbg(ice_pf_to_dev(pf), "Disabling pin %u with shared input GPIO pin %u\n",
+ i, gpio_pin);
+ return ice_ptp_cfg_extts(pf, &pf->ptp.extts_rqs[chan],
+ false);
}
+ }
- extts_cfg.flags = rq->extts.flags;
- extts_cfg.gpio_pin = gpio_pin;
- extts_cfg.ena = !!on;
+ return 0;
+}
- return ice_ptp_cfg_extts(pf, chan, &extts_cfg, true);
- }
+/**
+ * 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;
}
+
+ /* On adapters with SMA_CTRL disable other pins that share same GPIO */
+ if (ice_is_feature_supported(pf, ICE_F_SMA_CTRL)) {
+ ice_ptp_disable_shared_pin(pf, pin, func);
+ pf->ptp.pin_desc[pin].func = func;
+ pf->ptp.pin_desc[pin].chan = chan;
+ return ice_ptp_set_sma_cfg(pf);
+ }
+
+ return 0;
}
/**
- * ice_ptp_gpio_enable_e823 - Enable/disable ancillary features of PHC
- * @info: the driver's PTP info structure
+ * 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, negative error code otherwise
*/
-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 ptp_perout_request *cached =
+ &pf->ptp.perout_rqs[rq->perout.index];
- clk_cfg.flags = rq->perout.flags;
- clk_cfg.gpio_pin = PPS_PIN_INDEX;
- clk_cfg.period = NSEC_PER_SEC;
- clk_cfg.ena = !!on;
-
- return ice_ptp_cfg_clkout(pf, PPS_CLK_GEN_CHAN, &clk_cfg, true);
+ err = ice_ptp_cfg_perout(pf, &rq->perout, on);
+ if (!err) {
+ *cached = rq->perout;
+ } else {
+ cached->period.sec = 0;
+ cached->period.nsec = 0;
+ }
+ return err;
}
case PTP_CLK_REQ_EXTTS:
{
- struct ice_extts_channel extts_cfg = {};
-
- extts_cfg.flags = rq->extts.flags;
- extts_cfg.gpio_pin = TIME_SYNC_PIN_INDEX;
- extts_cfg.ena = !!on;
+ struct ptp_extts_request *cached =
+ &pf->ptp.extts_rqs[rq->extts.index];
- return ice_ptp_cfg_extts(pf, rq->extts.index, &extts_cfg, true);
+ err = ice_ptp_cfg_extts(pf, &rq->extts, on);
+ if (!err)
+ *cached = rq->extts;
+ else
+ cached->flags &= ~PTP_ENABLE_FEATURE;
+ return err;
}
default:
return -EOPNOTSUPP;
@@ -2059,7 +2048,7 @@ ice_ptp_settime64(struct ptp_clock_info *info, const struct timespec64 *ts)
/* For Vernier mode on E82X, we need to recalibrate after new settime.
* Start with marking timestamps as invalid.
*/
- if (hw->ptp.phy_model == ICE_PHY_E82X) {
+ if (ice_get_phy_model(hw) == ICE_PHY_E82X) {
err = ice_ptp_clear_phy_offset_ready_e82x(hw);
if (err)
dev_warn(ice_pf_to_dev(pf), "Failed to mark timestamps as invalid before settime\n");
@@ -2071,7 +2060,7 @@ ice_ptp_settime64(struct ptp_clock_info *info, const struct timespec64 *ts)
}
/* Disable periodic outputs */
- ice_ptp_disable_all_clkout(pf);
+ ice_ptp_disable_all_perout(pf);
err = ice_ptp_write_init(pf, &ts64);
ice_ptp_unlock(hw);
@@ -2080,10 +2069,10 @@ ice_ptp_settime64(struct ptp_clock_info *info, const struct timespec64 *ts)
ice_ptp_reset_cached_phctime(pf);
/* Reenable periodic outputs */
- ice_ptp_enable_all_clkout(pf);
+ ice_ptp_enable_all_perout(pf);
/* Recalibrate and re-enable timestamp blocks for E822/E823 */
- if (hw->ptp.phy_model == ICE_PHY_E82X)
+ if (ice_get_phy_model(hw) == ICE_PHY_E82X)
ice_ptp_restart_all_phy(pf);
exit:
if (err) {
@@ -2142,12 +2131,12 @@ static int ice_ptp_adjtime(struct ptp_clock_info *info, s64 delta)
}
/* Disable periodic outputs */
- ice_ptp_disable_all_clkout(pf);
+ ice_ptp_disable_all_perout(pf);
err = ice_ptp_write_adj(pf, delta);
/* Reenable periodic outputs */
- ice_ptp_enable_all_clkout(pf);
+ ice_ptp_enable_all_perout(pf);
ice_ptp_unlock(hw);
@@ -2405,20 +2394,41 @@ u64 ice_ptp_get_rx_hwts(const union ice_32b_rx_flex_desc *rx_desc,
}
/**
- * ice_ptp_disable_sma_pins_e810t - Disable E810-T SMA pins
+ * 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)
+{
+ for (unsigned int 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;
+
+ if (!ice_is_feature_supported(pf, ICE_F_SMA_CTRL))
+ name = ice_pin_names[desc->name_idx];
+ else if (desc->name_idx != GPIO_NA)
+ name = ice_pin_names_nvm[desc->name_idx];
+ if (name)
+ strscpy(pin->name, name, sizeof(pin->name));
+
+ pin->index = i;
+ }
+
+ pf->ptp.info.pin_config = pf->ptp.pin_desc;
+}
+
+/**
+ * ice_ptp_disable_pins - Disable PTP pins
* @pf: pointer to the PF structure
- * @info: PTP clock info structure
*
* Disable the OS access to the SMA pins. Called to clear out the OS
- * indications of pin support when we fail to setup the E810-T SMA control
- * register.
+ * indications of pin support when we fail to setup the SMA control register.
*/
-static void
-ice_ptp_disable_sma_pins_e810t(struct ice_pf *pf, struct ptp_clock_info *info)
+static void ice_ptp_disable_pins(struct ice_pf *pf)
{
- struct device *dev = ice_pf_to_dev(pf);
+ struct ptp_clock_info *info = &pf->ptp.info;
- dev_warn(dev, "Failed to configure E810-T SMA pin control\n");
+ dev_warn(ice_pf_to_dev(pf), "Failed to configure PTP pin control\n");
info->enable = NULL;
info->verify = NULL;
@@ -2428,126 +2438,158 @@ ice_ptp_disable_sma_pins_e810t(struct ice_pf *pf, struct ptp_clock_info *info)
}
/**
- * ice_ptp_setup_sma_pins_e810t - Setup the SMA pins
+ * ice_ptp_parse_sdp_entries - update ice_ptp_pin_desc structure from NVM
* @pf: pointer to the PF structure
- * @info: PTP clock info structure
+ * @entries: SDP connection section from NVM
+ * @num_entries: number of valid entries in sdp_entries
+ * @pins: PTP pins array to update
*
- * Finish setting up the SMA pins by allocating pin_config, and setting it up
- * according to the current status of the SMA. On failure, disable all of the
- * extended SMA pin support.
+ * Return: 0 on success, negative error code otherwise.
*/
-static void
-ice_ptp_setup_sma_pins_e810t(struct ice_pf *pf, struct ptp_clock_info *info)
+static int ice_ptp_parse_sdp_entries(struct ice_pf *pf, __le16 *entries,
+ unsigned int num_entries,
+ struct ice_ptp_pin_desc *pins)
{
- struct device *dev = ice_pf_to_dev(pf);
- int err;
+ unsigned int n_pins = 0;
+ unsigned int i;
- /* Allocate memory for kernel pins interface */
- info->pin_config = devm_kcalloc(dev, info->n_pins,
- sizeof(*info->pin_config), GFP_KERNEL);
- if (!info->pin_config) {
- ice_ptp_disable_sma_pins_e810t(pf, info);
- return;
- }
+ /* Setup ice_pin_desc array */
+ for (i = 0; i < ICE_N_PINS_MAX; i++) {
+ pins[i].name_idx = -1;
+ pins[i].gpio[0] = -1;
+ pins[i].gpio[1] = -1;
+ }
+
+ for (i = 0; i < num_entries; i++) {
+ u16 entry = le16_to_cpu(entries[i]);
+ DECLARE_BITMAP(bitmap, GPIO_NA);
+ unsigned int bitmap_idx;
+ bool dir;
+ u16 gpio;
+
+ *bitmap = FIELD_GET(ICE_AQC_NVM_SDP_AC_PIN_M, entry);
+ dir = !!FIELD_GET(ICE_AQC_NVM_SDP_AC_DIR_M, entry);
+ gpio = FIELD_GET(ICE_AQC_NVM_SDP_AC_SDP_NUM_M, entry);
+ for_each_set_bit(bitmap_idx, bitmap, GPIO_NA + 1) {
+ unsigned int idx;
+
+ /* Check if entry's pin bit is valid */
+ if (bitmap_idx >= NUM_PTP_PINS_NVM &&
+ bitmap_idx != GPIO_NA)
+ continue;
- /* Read current SMA status */
- err = ice_get_sma_config_e810t(&pf->hw, info->pin_config);
- if (err)
- ice_ptp_disable_sma_pins_e810t(pf, info);
-}
+ /* Check if pin already exists */
+ for (idx = 0; idx < ICE_N_PINS_MAX; idx++)
+ if (pins[idx].name_idx == bitmap_idx)
+ break;
+
+ if (idx == ICE_N_PINS_MAX) {
+ /* Pin not found, setup its entry and name */
+ idx = n_pins++;
+ pins[idx].name_idx = bitmap_idx;
+ if (bitmap_idx == GPIO_NA)
+ strscpy(pf->ptp.pin_desc[idx].name,
+ ice_pin_names[gpio],
+ sizeof(pf->ptp.pin_desc[idx]
+ .name));
+ }
-/**
- * ice_ptp_setup_pins_e810 - 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;
+ /* Setup in/out GPIO number */
+ pins[idx].gpio[dir] = gpio;
+ }
}
-}
-/**
- * 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)
-{
- info->pps = 1;
- info->n_per_out = 0;
- info->n_ext_ts = 1;
+ for (i = 0; i < n_pins; i++) {
+ dev_dbg(ice_pf_to_dev(pf),
+ "NVM pin entry[%d] : name_idx %d gpio_out %d gpio_in %d\n",
+ i, pins[i].name_idx, pins[i].gpio[1], pins[i].gpio[0]);
+ }
+
+ pf->ptp.info.n_pins = n_pins;
+ return 0;
}
/**
- * 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 */
+ if (ice_is_e825c(&pf->hw)) {
+ pf->ptp.ice_pin_desc = ice_pin_desc_e825c;
+ pf->ptp.info.n_pins = ICE_PIN_DESC_ARR_LEN(ice_pin_desc_e825c);
+ } else {
+ 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);
}
/**
* ice_ptp_set_funcs_e810 - Set specialized functions for E810 support
* @pf: Board private structure
- * @info: PTP info to fill
*
* Assign functions to the PTP capabiltiies structure for E810 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 e810
+ * in ice_ptp_set_caps. Only add functions here which are distinct for E810
* devices.
*/
-static void
-ice_ptp_set_funcs_e810(struct ice_pf *pf, struct ptp_clock_info *info)
+static void ice_ptp_set_funcs_e810(struct ice_pf *pf)
{
- info->enable = ice_ptp_gpio_enable_e810;
- ice_ptp_setup_pins_e810(pf, info);
-}
+ __le16 entries[ICE_AQC_NVM_SDP_AC_MAX_SIZE];
+ struct ice_ptp_pin_desc *desc = NULL;
+ struct ice_ptp *ptp = &pf->ptp;
+ unsigned int num_entries;
+ int err;
-/**
- * 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);
+ err = ice_ptp_read_sdp_ac(&pf->hw, entries, &num_entries);
+ if (err) {
+ /* SDP section does not exist in NVM or is corrupted */
+ if (ice_is_feature_supported(pf, ICE_F_SMA_CTRL)) {
+ ptp->ice_pin_desc = ice_pin_desc_e810_sma;
+ ptp->info.n_pins =
+ ICE_PIN_DESC_ARR_LEN(ice_pin_desc_e810_sma);
+ } else {
+ pf->ptp.ice_pin_desc = ice_pin_desc_e810;
+ pf->ptp.info.n_pins =
+ ICE_PIN_DESC_ARR_LEN(ice_pin_desc_e810);
+ err = 0;
+ }
+ } else {
+ desc = devm_kcalloc(ice_pf_to_dev(pf), ICE_N_PINS_MAX,
+ sizeof(struct ice_ptp_pin_desc),
+ GFP_KERNEL);
+ if (!desc)
+ goto err;
+
+ err = ice_ptp_parse_sdp_entries(pf, entries, num_entries, desc);
+ if (err)
+ goto err;
+
+ ptp->ice_pin_desc = (const struct ice_ptp_pin_desc *)desc;
+ }
+
+ ptp->info.pin_config = ptp->pin_desc;
+ ice_ptp_setup_pin_cfg(pf);
- info->enable = ice_ptp_gpio_enable_e823;
- ice_ptp_setup_pins_e823(pf, info);
+ if (ice_is_feature_supported(pf, ICE_F_SMA_CTRL))
+ err = ice_ptp_set_sma_cfg(pf);
+err:
+ if (err) {
+ devm_kfree(ice_pf_to_dev(pf), desc);
+ ice_ptp_disable_pins(pf);
+ }
}
/**
@@ -2567,13 +2609,15 @@ 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;
+ info->enable = ice_ptp_gpio_enable;
+ info->verify = ice_verify_pin;
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);
+ ice_ptp_set_funcs_e810(pf);
else
- ice_ptp_set_funcs_e82x(pf, info);
+ ice_ptp_set_funcs_e82x(pf);
}
/**
@@ -2775,7 +2819,7 @@ void ice_ptp_prepare_for_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
ice_ptp_release_tx_tracker(pf, &pf->ptp.port.tx);
/* Disable periodic outputs */
- ice_ptp_disable_all_clkout(pf);
+ ice_ptp_disable_all_perout(pf);
src_tmr = ice_get_ptp_src_clock_index(&pf->hw);
@@ -2852,7 +2896,7 @@ static int ice_ptp_rebuild_owner(struct ice_pf *pf)
}
/* Re-enable all periodic outputs and external timestamp events */
- ice_ptp_enable_all_clkout(pf);
+ ice_ptp_enable_all_perout(pf);
ice_ptp_enable_all_extts(pf);
return 0;
@@ -2895,187 +2939,49 @@ err:
dev_err(ice_pf_to_dev(pf), "PTP reset failed %d\n", err);
}
-/**
- * ice_ptp_aux_dev_to_aux_pf - Get auxiliary PF handle for the auxiliary device
- * @aux_dev: auxiliary device to get the auxiliary PF for
- */
-static struct ice_pf *
-ice_ptp_aux_dev_to_aux_pf(struct auxiliary_device *aux_dev)
+static bool ice_is_primary(struct ice_hw *hw)
{
- struct ice_ptp_port *aux_port;
- struct ice_ptp *aux_ptp;
-
- aux_port = container_of(aux_dev, struct ice_ptp_port, aux_dev);
- aux_ptp = container_of(aux_port, struct ice_ptp, port);
-
- return container_of(aux_ptp, struct ice_pf, ptp);
+ return ice_is_e825c(hw) && ice_is_dual(hw) ?
+ !!(hw->dev_caps.nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M) : true;
}
-/**
- * ice_ptp_aux_dev_to_owner_pf - Get PF handle for the auxiliary device
- * @aux_dev: auxiliary device to get the PF for
- */
-static struct ice_pf *
-ice_ptp_aux_dev_to_owner_pf(struct auxiliary_device *aux_dev)
+static int ice_ptp_setup_adapter(struct ice_pf *pf)
{
- struct ice_ptp_port_owner *ports_owner;
- const struct auxiliary_driver *aux_drv;
- struct ice_ptp *owner_ptp;
+ if (!ice_pf_src_tmr_owned(pf) || !ice_is_primary(&pf->hw))
+ return -EPERM;
- if (!aux_dev->dev.driver)
- return NULL;
-
- aux_drv = to_auxiliary_drv(aux_dev->dev.driver);
- ports_owner = container_of(aux_drv, struct ice_ptp_port_owner,
- aux_driver);
- owner_ptp = container_of(ports_owner, struct ice_ptp, ports_owner);
- return container_of(owner_ptp, struct ice_pf, ptp);
-}
-
-/**
- * ice_ptp_auxbus_probe - Probe auxiliary devices
- * @aux_dev: PF's auxiliary device
- * @id: Auxiliary device ID
- */
-static int ice_ptp_auxbus_probe(struct auxiliary_device *aux_dev,
- const struct auxiliary_device_id *id)
-{
- struct ice_pf *owner_pf = ice_ptp_aux_dev_to_owner_pf(aux_dev);
- struct ice_pf *aux_pf = ice_ptp_aux_dev_to_aux_pf(aux_dev);
-
- if (WARN_ON(!owner_pf))
- return -ENODEV;
-
- INIT_LIST_HEAD(&aux_pf->ptp.port.list_member);
- mutex_lock(&owner_pf->ptp.ports_owner.lock);
- list_add(&aux_pf->ptp.port.list_member,
- &owner_pf->ptp.ports_owner.ports);
- mutex_unlock(&owner_pf->ptp.ports_owner.lock);
+ pf->adapter->ctrl_pf = pf;
return 0;
}
-/**
- * ice_ptp_auxbus_remove - Remove auxiliary devices from the bus
- * @aux_dev: PF's auxiliary device
- */
-static void ice_ptp_auxbus_remove(struct auxiliary_device *aux_dev)
+static int ice_ptp_setup_pf(struct ice_pf *pf)
{
- struct ice_pf *owner_pf = ice_ptp_aux_dev_to_owner_pf(aux_dev);
- struct ice_pf *aux_pf = ice_ptp_aux_dev_to_aux_pf(aux_dev);
+ struct ice_ptp *ctrl_ptp = ice_get_ctrl_ptp(pf);
+ struct ice_ptp *ptp = &pf->ptp;
- mutex_lock(&owner_pf->ptp.ports_owner.lock);
- list_del(&aux_pf->ptp.port.list_member);
- mutex_unlock(&owner_pf->ptp.ports_owner.lock);
-}
+ if (WARN_ON(!ctrl_ptp) || ice_get_phy_model(&pf->hw) == ICE_PHY_UNSUP)
+ return -ENODEV;
-/**
- * ice_ptp_auxbus_shutdown
- * @aux_dev: PF's auxiliary device
- */
-static void ice_ptp_auxbus_shutdown(struct auxiliary_device *aux_dev)
-{
- /* Doing nothing here, but handle to auxbus driver must be satisfied */
-}
+ INIT_LIST_HEAD(&ptp->port.list_node);
+ mutex_lock(&pf->adapter->ports.lock);
-/**
- * ice_ptp_auxbus_suspend
- * @aux_dev: PF's auxiliary device
- * @state: power management state indicator
- */
-static int
-ice_ptp_auxbus_suspend(struct auxiliary_device *aux_dev, pm_message_t state)
-{
- /* Doing nothing here, but handle to auxbus driver must be satisfied */
- return 0;
-}
+ list_add(&ptp->port.list_node,
+ &pf->adapter->ports.ports);
+ mutex_unlock(&pf->adapter->ports.lock);
-/**
- * ice_ptp_auxbus_resume
- * @aux_dev: PF's auxiliary device
- */
-static int ice_ptp_auxbus_resume(struct auxiliary_device *aux_dev)
-{
- /* Doing nothing here, but handle to auxbus driver must be satisfied */
return 0;
}
-/**
- * ice_ptp_auxbus_create_id_table - Create auxiliary device ID table
- * @pf: Board private structure
- * @name: auxiliary bus driver name
- */
-static struct auxiliary_device_id *
-ice_ptp_auxbus_create_id_table(struct ice_pf *pf, const char *name)
+static void ice_ptp_cleanup_pf(struct ice_pf *pf)
{
- struct auxiliary_device_id *ids;
-
- /* Second id left empty to terminate the array */
- ids = devm_kcalloc(ice_pf_to_dev(pf), 2,
- sizeof(struct auxiliary_device_id), GFP_KERNEL);
- if (!ids)
- return NULL;
-
- snprintf(ids[0].name, sizeof(ids[0].name), "ice.%s", name);
-
- return ids;
-}
-
-/**
- * ice_ptp_register_auxbus_driver - Register PTP auxiliary bus driver
- * @pf: Board private structure
- */
-static int ice_ptp_register_auxbus_driver(struct ice_pf *pf)
-{
- struct auxiliary_driver *aux_driver;
- struct ice_ptp *ptp;
- struct device *dev;
- char *name;
- int err;
-
- ptp = &pf->ptp;
- dev = ice_pf_to_dev(pf);
- aux_driver = &ptp->ports_owner.aux_driver;
- INIT_LIST_HEAD(&ptp->ports_owner.ports);
- mutex_init(&ptp->ports_owner.lock);
- name = devm_kasprintf(dev, GFP_KERNEL, "ptp_aux_dev_%u_%u_clk%u",
- pf->pdev->bus->number, PCI_SLOT(pf->pdev->devfn),
- ice_get_ptp_src_clock_index(&pf->hw));
- if (!name)
- return -ENOMEM;
-
- aux_driver->name = name;
- aux_driver->shutdown = ice_ptp_auxbus_shutdown;
- aux_driver->suspend = ice_ptp_auxbus_suspend;
- aux_driver->remove = ice_ptp_auxbus_remove;
- aux_driver->resume = ice_ptp_auxbus_resume;
- aux_driver->probe = ice_ptp_auxbus_probe;
- aux_driver->id_table = ice_ptp_auxbus_create_id_table(pf, name);
- if (!aux_driver->id_table)
- return -ENOMEM;
+ struct ice_ptp *ptp = &pf->ptp;
- err = auxiliary_driver_register(aux_driver);
- if (err) {
- devm_kfree(dev, aux_driver->id_table);
- dev_err(dev, "Failed registering aux_driver, name <%s>\n",
- name);
+ if (ice_get_phy_model(&pf->hw) != ICE_PHY_UNSUP) {
+ mutex_lock(&pf->adapter->ports.lock);
+ list_del(&ptp->port.list_node);
+ mutex_unlock(&pf->adapter->ports.lock);
}
-
- return err;
-}
-
-/**
- * ice_ptp_unregister_auxbus_driver - Unregister PTP auxiliary bus driver
- * @pf: Board private structure
- */
-static void ice_ptp_unregister_auxbus_driver(struct ice_pf *pf)
-{
- struct auxiliary_driver *aux_driver = &pf->ptp.ports_owner.aux_driver;
-
- auxiliary_driver_unregister(aux_driver);
- devm_kfree(ice_pf_to_dev(pf), aux_driver->id_table);
-
- mutex_destroy(&pf->ptp.ports_owner.lock);
}
/**
@@ -3087,15 +2993,12 @@ static void ice_ptp_unregister_auxbus_driver(struct ice_pf *pf)
*/
int ice_ptp_clock_index(struct ice_pf *pf)
{
- struct auxiliary_device *aux_dev;
- struct ice_pf *owner_pf;
+ struct ice_ptp *ctrl_ptp = ice_get_ctrl_ptp(pf);
struct ptp_clock *clock;
- aux_dev = &pf->ptp.port.aux_dev;
- owner_pf = ice_ptp_aux_dev_to_owner_pf(aux_dev);
- if (!owner_pf)
+ if (!ctrl_ptp)
return -1;
- clock = owner_pf->ptp.clock;
+ clock = ctrl_ptp->clock;
return clock ? ptp_clock_index(clock) : -1;
}
@@ -3155,15 +3058,7 @@ static int ice_ptp_init_owner(struct ice_pf *pf)
if (err)
goto err_clk;
- err = ice_ptp_register_auxbus_driver(pf);
- if (err) {
- dev_err(ice_pf_to_dev(pf), "Failed to register PTP auxbus driver");
- goto err_aux;
- }
-
return 0;
-err_aux:
- ptp_clock_unregister(pf->ptp.clock);
err_clk:
pf->ptp.clock = NULL;
err_exit:
@@ -3209,7 +3104,7 @@ static int ice_ptp_init_port(struct ice_pf *pf, struct ice_ptp_port *ptp_port)
mutex_init(&ptp_port->ps_lock);
- switch (hw->ptp.phy_model) {
+ switch (ice_get_phy_model(hw)) {
case ICE_PHY_ETH56G:
return ice_ptp_init_tx_eth56g(pf, &ptp_port->tx,
ptp_port->port_num);
@@ -3227,76 +3122,6 @@ static int ice_ptp_init_port(struct ice_pf *pf, struct ice_ptp_port *ptp_port)
}
/**
- * ice_ptp_release_auxbus_device
- * @dev: device that utilizes the auxbus
- */
-static void ice_ptp_release_auxbus_device(struct device *dev)
-{
- /* Doing nothing here, but handle to auxbux device must be satisfied */
-}
-
-/**
- * ice_ptp_create_auxbus_device - Create PTP auxiliary bus device
- * @pf: Board private structure
- */
-static int ice_ptp_create_auxbus_device(struct ice_pf *pf)
-{
- struct auxiliary_device *aux_dev;
- struct ice_ptp *ptp;
- struct device *dev;
- char *name;
- int err;
- u32 id;
-
- ptp = &pf->ptp;
- id = ptp->port.port_num;
- dev = ice_pf_to_dev(pf);
-
- aux_dev = &ptp->port.aux_dev;
-
- name = devm_kasprintf(dev, GFP_KERNEL, "ptp_aux_dev_%u_%u_clk%u",
- pf->pdev->bus->number, PCI_SLOT(pf->pdev->devfn),
- ice_get_ptp_src_clock_index(&pf->hw));
- if (!name)
- return -ENOMEM;
-
- aux_dev->name = name;
- aux_dev->id = id;
- aux_dev->dev.release = ice_ptp_release_auxbus_device;
- aux_dev->dev.parent = dev;
-
- err = auxiliary_device_init(aux_dev);
- if (err)
- goto aux_err;
-
- err = auxiliary_device_add(aux_dev);
- if (err) {
- auxiliary_device_uninit(aux_dev);
- goto aux_err;
- }
-
- return 0;
-aux_err:
- dev_err(dev, "Failed to create PTP auxiliary bus device <%s>\n", name);
- devm_kfree(dev, name);
- return err;
-}
-
-/**
- * ice_ptp_remove_auxbus_device - Remove PTP auxiliary bus device
- * @pf: Board private structure
- */
-static void ice_ptp_remove_auxbus_device(struct ice_pf *pf)
-{
- struct auxiliary_device *aux_dev = &pf->ptp.port.aux_dev;
-
- auxiliary_device_delete(aux_dev);
- auxiliary_device_uninit(aux_dev);
-
- memset(aux_dev, 0, sizeof(*aux_dev));
-}
-
-/**
* ice_ptp_init_tx_interrupt_mode - Initialize device Tx interrupt mode
* @pf: Board private structure
*
@@ -3307,7 +3132,7 @@ static void ice_ptp_remove_auxbus_device(struct ice_pf *pf)
*/
static void ice_ptp_init_tx_interrupt_mode(struct ice_pf *pf)
{
- switch (pf->hw.ptp.phy_model) {
+ switch (ice_get_phy_model(&pf->hw)) {
case ICE_PHY_E82X:
/* E822 based PHY has the clock owner process the interrupt
* for all ports.
@@ -3350,19 +3175,26 @@ void ice_ptp_init(struct ice_pf *pf)
/* If this function owns the clock hardware, it must allocate and
* configure the PTP clock device to represent it.
*/
- if (ice_pf_src_tmr_owned(pf)) {
+ if (ice_pf_src_tmr_owned(pf) && ice_is_primary(hw)) {
+ err = ice_ptp_setup_adapter(pf);
+ if (err)
+ goto err_exit;
err = ice_ptp_init_owner(pf);
if (err)
- goto err;
+ goto err_exit;
}
+ err = ice_ptp_setup_pf(pf);
+ if (err)
+ goto err_exit;
+
ptp->port.port_num = hw->pf_id;
if (ice_is_e825c(hw) && hw->ptp.is_2x50g_muxed_topo)
ptp->port.port_num = hw->pf_id * 2;
err = ice_ptp_init_port(pf, &ptp->port);
if (err)
- goto err;
+ goto err_exit;
/* Start the PHY timestamping block */
ice_ptp_reset_phy_timestamping(pf);
@@ -3370,20 +3202,16 @@ void ice_ptp_init(struct ice_pf *pf)
/* Configure initial Tx interrupt settings */
ice_ptp_cfg_tx_interrupt(pf);
- err = ice_ptp_create_auxbus_device(pf);
- if (err)
- goto err;
-
ptp->state = ICE_PTP_READY;
err = ice_ptp_init_work(pf, ptp);
if (err)
- goto err;
+ goto err_exit;
dev_info(ice_pf_to_dev(pf), "PTP init successful\n");
return;
-err:
+err_exit:
/* If we registered a PTP clock, release it */
if (pf->ptp.clock) {
ptp_clock_unregister(ptp->clock);
@@ -3410,7 +3238,7 @@ void ice_ptp_release(struct ice_pf *pf)
/* Disable timestamping for both Tx and Rx */
ice_ptp_disable_timestamp_mode(pf);
- ice_ptp_remove_auxbus_device(pf);
+ ice_ptp_cleanup_pf(pf);
ice_ptp_release_tx_tracker(pf, &pf->ptp.port.tx);
@@ -3425,14 +3253,11 @@ void ice_ptp_release(struct ice_pf *pf)
pf->ptp.kworker = NULL;
}
- if (ice_pf_src_tmr_owned(pf))
- ice_ptp_unregister_auxbus_driver(pf);
-
if (!pf->ptp.clock)
return;
/* Disable periodic outputs */
- ice_ptp_disable_all_clkout(pf);
+ ice_ptp_disable_all_perout(pf);
ptp_clock_unregister(pf->ptp.clock);
pf->ptp.clock = NULL;