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qcacmn: suspend/resume changes for WCN6450

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Changes required for suspend/resume support for WCN6450

Change-Id: I4610f6bdb8de92f03884af6c07a5141dd27174be
CRs-Fixed: 3447469
This commit is contained in:
Venkateswara Naralasetty
2023-04-11 16:04:43 +05:30
committed by Madan Koyyalamudi
parent 476546a791
commit 26099afe23
16 changed files with 461 additions and 183 deletions
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89
dp/wifi3.0/dp_rings_main.c
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@@ -4011,7 +4011,7 @@ void dp_drain_txrx(struct cdp_soc_t *soc_handle)
*
* Return: None
*/
void dp_flush_ring_hptp(struct dp_soc *soc, hal_ring_handle_t hal_srng)
static void dp_flush_ring_hptp(struct dp_soc *soc, hal_ring_handle_t hal_srng)
{
if (hal_srng && hal_srng_get_clear_event(hal_srng,
HAL_SRNG_FLUSH_EVENT)) {
@@ -4025,102 +4025,27 @@ void dp_flush_ring_hptp(struct dp_soc *soc, hal_ring_handle_t hal_srng)
dp_debug("flushed");
}
}
#endif
#ifdef FEATURE_RUNTIME_PM
/**
* dp_runtime_suspend() - ensure DP is ready to runtime suspend
* @soc_hdl: Datapath soc handle
* @pdev_id: id of data path pdev handle
*
* DP is ready to runtime suspend if there are no pending TX packets.
*
* Return: QDF_STATUS
*/
QDF_STATUS dp_runtime_suspend(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
void dp_update_ring_hptp(struct dp_soc *soc, bool force_flush_tx)
{
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_pdev *pdev;
uint8_t i;
int32_t tx_pending;
uint8_t i;
pdev = dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
if (!pdev) {
dp_err("pdev is NULL");
return QDF_STATUS_E_INVAL;
}
/* Abort if there are any pending TX packets */
tx_pending = dp_get_tx_pending(dp_pdev_to_cdp_pdev(pdev));
if (tx_pending) {
dp_info_rl("%pK: Abort suspend due to pending TX packets %d",
soc, tx_pending);
dp_find_missing_tx_comp(soc);
/* perform a force flush if tx is pending */
if (force_flush_tx) {
for (i = 0; i < soc->num_tcl_data_rings; i++) {
hal_srng_set_event(soc->tcl_data_ring[i].hal_srng,
HAL_SRNG_FLUSH_EVENT);
dp_flush_ring_hptp(soc, soc->tcl_data_ring[i].hal_srng);
}
qdf_atomic_set(&soc->tx_pending_rtpm, 0);
return QDF_STATUS_E_AGAIN;
return;
}
if (dp_runtime_get_refcount(soc)) {
dp_init_info("refcount: %d", dp_runtime_get_refcount(soc));
return QDF_STATUS_E_AGAIN;
}
if (soc->intr_mode == DP_INTR_POLL)
qdf_timer_stop(&soc->int_timer);
dp_rx_fst_update_pm_suspend_status(soc, true);
return QDF_STATUS_SUCCESS;
}
#define DP_FLUSH_WAIT_CNT 10
#define DP_RUNTIME_SUSPEND_WAIT_MS 10
/**
* dp_runtime_resume() - ensure DP is ready to runtime resume
* @soc_hdl: Datapath soc handle
* @pdev_id: id of data path pdev handle
*
* Resume DP for runtime PM.
*
* Return: QDF_STATUS
*/
QDF_STATUS dp_runtime_resume(struct cdp_soc_t *soc_hdl, uint8_t pdev_id)
{
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
int i, suspend_wait = 0;
if (soc->intr_mode == DP_INTR_POLL)
qdf_timer_mod(&soc->int_timer, DP_INTR_POLL_TIMER_MS);
/*
* Wait until dp runtime refcount becomes zero or time out, then flush
* pending tx for runtime suspend.
*/
while (dp_runtime_get_refcount(soc) &&
suspend_wait < DP_FLUSH_WAIT_CNT) {
qdf_sleep(DP_RUNTIME_SUSPEND_WAIT_MS);
suspend_wait++;
}
for (i = 0; i < MAX_TCL_DATA_RINGS; i++) {
for (i = 0; i < soc->num_tcl_data_rings; i++)
dp_flush_ring_hptp(soc, soc->tcl_data_ring[i].hal_srng);
}
qdf_atomic_set(&soc->tx_pending_rtpm, 0);
dp_flush_ring_hptp(soc, soc->reo_cmd_ring.hal_srng);
dp_rx_fst_update_pm_suspend_status(soc, false);
return QDF_STATUS_SUCCESS;
}
#endif /* FEATURE_RUNTIME_PM */
#endif
#ifdef WLAN_FEATURE_STATS_EXT
/* rx hw stats event wait timeout in ms */