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Commit 67600580 authored by Karthik Kantamneni's avatar Karthik Kantamneni Committed by Madan Koyyalamudi
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qcacmn: Add support configure EP vote feature based on pm states 

Add support to configure EP vote feature based on pm states

Change-Id: Ia424d364248283da8e978f924fd421c1b5f4b888
CRs-Fixed: 2939884
parent 8a1d36cd

hif/inc/hif.h

+57 −0
Original line number Diff line number Diff line
@@ -45,6 +45,10 @@ extern "C" { 
typedef void __iomem *A_target_id_t;

typedef void *hif_handle_t;



#if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE)

#define HIF_WORK_DRAIN_WAIT_CNT 10

#endif



#define HIF_TYPE_AR6002   2

#define HIF_TYPE_AR6003   3

#define HIF_TYPE_AR6004   5
@@ -1058,6 +1062,26 @@ static inline char *rtpm_string_from_dbgid(wlan_rtpm_dbgid id) 
	return (char *)strings[id];

}



/**

 * enum hif_ep_vote_type - hif ep vote type

 * HIF_EP_VOTE_DP_ACCESS: vote type is specific DP

 * HIF_EP_VOTE_NONDP_ACCESS: ep vote for over all access

 */

enum hif_ep_vote_type {

	HIF_EP_VOTE_DP_ACCESS,

	HIF_EP_VOTE_NONDP_ACCESS

};



/**

 * enum hif_ep_vote_access - hif ep vote access

 * HIF_EP_VOTE_ACCESS_ENABLE: Enable ep voting

 * HIF_EP_VOTE_ACCESS_DISABLE: disable ep voting

 */

enum hif_ep_vote_access {

	HIF_EP_VOTE_ACCESS_ENABLE,

	HIF_EP_VOTE_ACCESS_DISABLE

};



/**

 * enum hif_pm_link_state - hif link state

 * HIF_PM_LINK_STATE_DOWN: hif link state is down
@@ -1671,6 +1695,39 @@ hif_softc_to_hif_opaque_softc(struct hif_softc *hif_handle) 
	return (struct hif_opaque_softc *)hif_handle;

}



#if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE)

QDF_STATUS hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx);

void hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx);

void hif_set_ep_vote_access(struct hif_opaque_softc *hif_ctx,

			    uint8_t type, uint8_t access);

uint8_t hif_get_ep_vote_access(struct hif_opaque_softc *hif_ctx,

			       uint8_t type);

#else

static inline QDF_STATUS

hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx)

{

	return QDF_STATUS_SUCCESS;

}



static inline void

hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx)

{

}



static inline void

hif_set_ep_vote_access(struct hif_opaque_softc *hif_ctx,

		       uint8_t type, uint8_t access)

{

}



static inline uint8_t

hif_get_ep_vote_access(struct hif_opaque_softc *hif_ctx,

		       uint8_t type)

{

	return HIF_EP_VOTE_ACCESS_ENABLE;

}

#endif



#ifdef FORCE_WAKE

/**

 * hif_srng_init_phase(): Indicate srng initialization phase

hif/src/hif_main.c

+61 −0
Original line number Diff line number Diff line
@@ -895,6 +895,7 @@ struct hif_opaque_softc *hif_open(qdf_device_t qdf_ctx, 
	scn->bus_type  = bus_type;



	hif_pm_set_link_state(GET_HIF_OPAQUE_HDL(scn), HIF_PM_LINK_STATE_DOWN);

	hif_allow_ep_vote_access(GET_HIF_OPAQUE_HDL(scn));

	hif_get_cfg_from_psoc(scn, psoc);



	hif_set_event_hist_mask(GET_HIF_OPAQUE_HDL(scn));
@@ -1038,6 +1039,66 @@ QDF_STATUS hif_try_complete_tasks(struct hif_softc *scn) 
	return QDF_STATUS_SUCCESS;

}



#if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE)

QDF_STATUS hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx)

{

	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);

	uint32_t work_drain_wait_cnt = 0;

	int work = 0;



	qdf_atomic_set(&scn->dp_ep_vote_access,

		       HIF_EP_VOTE_ACCESS_DISABLE);

	qdf_atomic_set(&scn->ep_vote_access,

		       HIF_EP_VOTE_ACCESS_DISABLE);



	while ((work = hif_get_num_pending_work(scn))) {

		if (++work_drain_wait_cnt > HIF_WORK_DRAIN_WAIT_CNT) {

			qdf_atomic_set(&scn->dp_ep_vote_access,

				       HIF_EP_VOTE_ACCESS_ENABLE);

			qdf_atomic_set(&scn->ep_vote_access,

				       HIF_EP_VOTE_ACCESS_ENABLE);

			hif_err("timeout wait for pending work %d ", work);

			return QDF_STATUS_E_FAULT;

		}

		qdf_sleep(5);

	}



	return QDF_STATUS_SUCCESS;

}



void hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx)

{

	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);



	qdf_atomic_set(&scn->dp_ep_vote_access,

		       HIF_EP_VOTE_ACCESS_ENABLE);

	qdf_atomic_set(&scn->ep_vote_access,

		       HIF_EP_VOTE_ACCESS_ENABLE);

}



void hif_set_ep_vote_access(struct hif_opaque_softc *hif_ctx,

			    uint8_t type, uint8_t access)

{

	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);



	if (type == HIF_EP_VOTE_DP_ACCESS)

		qdf_atomic_set(&scn->dp_ep_vote_access, access);

	else

		qdf_atomic_set(&scn->ep_vote_access, access);

}



uint8_t hif_get_ep_vote_access(struct hif_opaque_softc *hif_ctx,

			       uint8_t type)

{

	struct hif_softc *scn = HIF_GET_SOFTC(hif_ctx);



	if (type == HIF_EP_VOTE_DP_ACCESS)

		return qdf_atomic_read(&scn->dp_ep_vote_access);

	else

		return qdf_atomic_read(&scn->ep_vote_access);

}

#endif



#if (defined(QCA_WIFI_QCA8074) || defined(QCA_WIFI_QCA6018) || \

	defined(QCA_WIFI_QCA6290) || defined(QCA_WIFI_QCA6390) || \

	defined(QCA_WIFI_QCN9000) || defined(QCA_WIFI_QCA6490) || \

hif/src/hif_main.h

+4 −0
Original line number Diff line number Diff line
@@ -290,6 +290,10 @@ struct hif_softc { 
#ifdef SYSTEM_PM_CHECK

	qdf_atomic_t sys_pm_state;

#endif

#if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE)

	qdf_atomic_t dp_ep_vote_access;

	qdf_atomic_t ep_vote_access;

#endif

};



static inline