diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/core.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/core.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 451748fa8fff..b97c38b9a270 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -13,6 +13,7 @@ #include "dp_rx.h" #include "debug.h" #include "hif.h" +#include "wow.h" unsigned int ath11k_debug_mask; EXPORT_SYMBOL(ath11k_debug_mask); @@ -66,6 +67,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .supports_shadow_regs = false, .idle_ps = false, .cold_boot_calib = true, + .supports_suspend = false, }, { .hw_rev = ATH11K_HW_IPQ6018_HW10, @@ -103,6 +105,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .supports_shadow_regs = false, .idle_ps = false, .cold_boot_calib = true, + .supports_suspend = false, }, { .name = "qca6390 hw2.0", @@ -139,9 +142,91 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .supports_shadow_regs = true, .idle_ps = true, .cold_boot_calib = false, + .supports_suspend = true, }, }; +int ath11k_core_suspend(struct ath11k_base *ab) +{ + int ret; + + if (!ab->hw_params.supports_suspend) + return -EOPNOTSUPP; + + /* TODO: there can frames in queues so for now add delay as a hack. + * Need to implement to handle and remove this delay. + */ + msleep(500); + + ret = ath11k_dp_rx_pktlog_stop(ab, true); + if (ret) { + ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n", + ret); + return ret; + } + + ret = ath11k_wow_enable(ab); + if (ret) { + ath11k_warn(ab, "failed to enable wow during suspend: %d\n", ret); + return ret; + } + + ret = ath11k_dp_rx_pktlog_stop(ab, false); + if (ret) { + ath11k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n", + ret); + return ret; + } + + ath11k_ce_stop_shadow_timers(ab); + ath11k_dp_stop_shadow_timers(ab); + + ath11k_hif_irq_disable(ab); + ath11k_hif_ce_irq_disable(ab); + + ret = ath11k_hif_suspend(ab); + if (!ret) { + ath11k_warn(ab, "failed to suspend hif: %d\n", ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL(ath11k_core_suspend); + +int ath11k_core_resume(struct ath11k_base *ab) +{ + int ret; + + if (!ab->hw_params.supports_suspend) + return -EOPNOTSUPP; + + ret = ath11k_hif_resume(ab); + if (ret) { + ath11k_warn(ab, "failed to resume hif during resume: %d\n", ret); + return ret; + } + + ath11k_hif_ce_irq_enable(ab); + ath11k_hif_irq_enable(ab); + + ret = ath11k_dp_rx_pktlog_start(ab); + if (ret) { + ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n", + ret); + return ret; + } + + ret = ath11k_wow_wakeup(ab); + if (ret) { + ath11k_warn(ab, "failed to wakeup wow during resume: %d\n", ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL(ath11k_core_resume); + int ath11k_core_check_dt(struct ath11k_base *ab) { size_t max_len = sizeof(ab->qmi.target.bdf_ext); |