4be28ba641
Add bus related info in hif layer in order to get bus status when hang issue happened. Change-Id: If922e0892e0f65de778b9696bbc56fc63c25c169 CRs-Fixed: 2801350
403 lines
8.0 KiB
C
403 lines
8.0 KiB
C
/*
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* Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "qdf_types.h"
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#include "dummy.h"
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#include "hif_debug.h"
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/**
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* hif_dummy_bus_prevent_linkdown() - prevent linkdown
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* @hif_ctx: hif context
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* @flag: weather to keep the bus alive or not
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*
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* Dummy function for busses and platforms that do not support
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* link down. This may need to be replaced with a wakelock.
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*/
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void hif_dummy_bus_prevent_linkdown(struct hif_softc *scn, bool flag)
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{
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hif_debug("wlan: %s pcie power collapse ignored",
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(flag ? "disable" : "enable"));
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}
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/**
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* hif_reset_soc(): reset soc
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*
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* this function resets soc
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*
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* @hif_ctx: HIF context
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*
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* Return: void
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*/
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/* Function to reset SoC */
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void hif_dummy_reset_soc(struct hif_softc *hif_ctx)
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{
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}
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/**
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* hif_dummy_suspend() - suspend the bus
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* @hif_ctx: hif context
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*
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* dummy for busses that don't need to suspend.
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*
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* Return: 0 for success and non-zero for failure
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*/
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int hif_dummy_bus_suspend(struct hif_softc *hif_ctx)
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{
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return 0;
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}
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/**
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* hif_dummy_resume() - hif resume API
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*
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* This function resumes the bus. but snoc doesn't need to resume.
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* Therefore do nothing.
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*
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* Return: 0 for success and non-zero for failure
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*/
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int hif_dummy_bus_resume(struct hif_softc *hif_ctx)
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{
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return 0;
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}
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/**
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* hif_dummy_suspend_noirq() - suspend the bus
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* @hif_ctx: hif context
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*
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* dummy for busses that don't need to synchronize
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* with interrupt disable.
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*
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* Return: 0 for success and non-zero for failure
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*/
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int hif_dummy_bus_suspend_noirq(struct hif_softc *hif_ctx)
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{
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return 0;
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}
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/**
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* hif_dummy_resume_noirq() - resume the bus
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* @hif_ctx: hif context
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*
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* dummy for busses that don't need to synchronize
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* with interrupt disable.
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*
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* Return: 0 for success and non-zero for failure
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*/
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int hif_dummy_bus_resume_noirq(struct hif_softc *hif_ctx)
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{
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return 0;
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}
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/**
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* hif_dummy_target_sleep_state_adjust() - api to adjust state of target
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* @scn: hif context
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* @sleep_ok: allow or deny target to go to sleep
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* @wait_for_it: ensure target has change
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*/
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int hif_dummy_target_sleep_state_adjust(struct hif_softc *scn,
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bool sleep_ok, bool wait_for_it)
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{
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return 0;
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}
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/**
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* hif_dummy_enable_power_management - dummy call
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* hif_ctx: hif context
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* is_packet_log_enabled: true if packet log is enabled
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*/
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void hif_dummy_enable_power_management(struct hif_softc *hif_ctx,
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bool is_packet_log_enabled)
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{}
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/**
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* hif_dummy_disable_power_management - dummy call
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* hif_ctx: hif context
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*
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* Return: none
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*/
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void hif_dummy_disable_power_management(struct hif_softc *hif_ctx)
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{}
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/**
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* hif_dummy_disable_isr - dummy call
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* hif_ctx: hif context
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*
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* Return: none
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*/
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void hif_dummy_disable_isr(struct hif_softc *scn)
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{}
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/**
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* hif_dummy_nointrs - dummy call
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* hif_sc: hif context
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*
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* Return: none
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*/
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void hif_dummy_nointrs(struct hif_softc *hif_sc)
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{}
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/**
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* hif_dummy_bus_configure - dummy call
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* hif_ctx: hif context
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*
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* Return: 0 for success
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*/
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int hif_dummy_bus_configure(struct hif_softc *hif_sc)
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{
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return 0;
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}
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/**
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* hif_dummy_get_config_item - dummy call
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* @hif_sc: hif context
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* @opcode: configuration type
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* @config: configuration value to set
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* @config_len: configuration length
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*
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* Return: QDF_STATUS_SUCCESS for success
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*/
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QDF_STATUS
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hif_dummy_get_config_item(struct hif_softc *hif_sc,
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int opcode, void *config, uint32_t config_len)
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{
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return QDF_STATUS_SUCCESS;
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}
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/**
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* hif_dummy_set_mailbox_swap - dummy call
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* @hif_sc: hif context
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*
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* Return: None
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*/
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void
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hif_dummy_set_mailbox_swap(struct hif_softc *hif_sc)
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{
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}
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/**
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* hif_dummy_claim_device - dummy call
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* @hif_sc: hif context
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*
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* Return: None
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*/
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void
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hif_dummy_claim_device(struct hif_softc *hif_sc)
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{
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}
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/**
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* hif_dummy_cancel_deferred_target_sleep - dummy call
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* @hif_sc: hif context
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*
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* Return: None
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*/
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void
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hif_dummy_cancel_deferred_target_sleep(struct hif_softc *hif_sc)
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{
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}
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/**
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* hif_dummy_irq_enable - dummy call
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* hif_ctx: hif context
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* @irq_id: irq id
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*
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* Return: none
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*/
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void hif_dummy_irq_enable(struct hif_softc *hif_sc, int irq_id)
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{}
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/**
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* hif_dummy_grp_irq_enable - dummy call
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* hif_ctx: hif context
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* @irq_id: grp id
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*
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* Return: none
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*/
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void hif_dummy_grp_irq_enable(struct hif_softc *hif_sc, uint32_t grp_id)
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{}
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/**
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* hif_dummy_irq_disable - dummy call
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* hif_ctx: hif context
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* @irq_id: irq id
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*
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* Return: none
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*/
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void hif_dummy_irq_disable(struct hif_softc *hif_sc, int irq_id)
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{}
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/**
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* hif_dummy_grp_irq_disable- dummy call
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* hif_ctx: hif context
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* @grp_id: grp id
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*
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* Return: none
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*/
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void hif_dummy_grp_irq_disable(struct hif_softc *hif_sc, uint32_t grp_id)
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{}
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/**
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* hif_dummy_grp_irq_configure - dummy call
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* hif_ctx: hif context
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*
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* Return: none
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*/
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int hif_dummy_grp_irq_configure(struct hif_softc *hif_sc,
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struct hif_exec_context *exec)
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{
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return 0;
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}
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/**
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* hif_dummy_dump_registers - dummy call
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* hif_sc: hif context
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*
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* Return: 0 for success
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*/
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int hif_dummy_dump_registers(struct hif_softc *hif_sc)
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{
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return 0;
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}
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/**
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* hif_dummy_dump_target_memory - dummy call
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* @hif_sc: hif context
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* @ramdump_base: base
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* @address: address
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* @size: size
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*
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* Return: None
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*/
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void hif_dummy_dump_target_memory(struct hif_softc *hif_sc, void *ramdump_base,
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uint32_t address, uint32_t size)
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{
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}
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/**
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* hif_dummy_ipa_get_ce_resource - dummy call
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* @scn: HIF context
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* @ce_sr: copyengine source ring resource info
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* @sr_ring_size: source ring size
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* @reg_paddr: bus physical address
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*
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* Return: None
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*/
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void hif_dummy_ipa_get_ce_resource(struct hif_softc *hif_sc,
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qdf_shared_mem_t **ce_sr,
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uint32_t *sr_ring_size,
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qdf_dma_addr_t *reg_paddr)
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{
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}
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/**
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* hif_dummy_mask_interrupt_call - dummy call
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* @hif_sc: hif context
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*
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* Return: None
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*/
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void
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hif_dummy_mask_interrupt_call(struct hif_softc *hif_sc)
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{
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}
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/**
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* hif_dummy_display_stats - dummy call
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* hif_ctx: hif context
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*
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* Return: none
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*/
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void hif_dummy_display_stats(struct hif_softc *hif_ctx)
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{}
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/**
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* hif_dummy_clear_stats - dummy call
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* hif_ctx: hif context
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*
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* Return: none
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*/
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void hif_dummy_clear_stats(struct hif_softc *hif_ctx)
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{}
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/**
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* hif_dummy_set_bundle_mode() - dummy call
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* @hif_sc: hif context
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* @enabled: flag to enable/disable bundling
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* @rx_bundle_cnt: bundle count to be used for RX
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*
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* Return: none
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*/
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void hif_dummy_set_bundle_mode(struct hif_softc *hif_ctx,
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bool enabled, int rx_bundle_cnt)
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{
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}
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/**
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* hif_dummy_bus_reset_resume() - dummy call
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* @hif_sc: hif context
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*
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* Return: int 0 for success, non zero for failure
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*/
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int hif_dummy_bus_reset_resume(struct hif_softc *hif_ctx)
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{
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return 0;
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}
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int hif_dummy_map_ce_to_irq(struct hif_softc *scn, int ce_id)
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{
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hif_err("hif_map_ce_to_irq is not implemented on this platform");
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QDF_BUG(0);
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return -(1);
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}
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int hif_dummy_addr_in_boundary(struct hif_softc *scn, uint32_t offset)
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{
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return 0;
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}
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/**
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* hif_dummy_config_irq_affinity - dummy call
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* @scn: hif context
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*
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* Return: None
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*/
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void hif_dummy_config_irq_affinity(struct hif_softc *scn)
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{
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}
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/**
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* hif_dummy_config_irq_by_ceid - dummy call
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* @scn: hif context
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* @ce_id : copy engine id
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* Return: 0
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*/
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int hif_dummy_config_irq_by_ceid(struct hif_softc *scn, int ce_id)
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{
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return 0;
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}
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/**
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* hif_dummy_log_bus_info - dummy call
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* @scn: hif context
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* @data: hang event data buffer
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* @offset: offset at which data needs to be written
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*
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* Return: None
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*/
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void hif_dummy_log_bus_info(struct hif_softc *scn, uint8_t *data,
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unsigned int *offset)
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{
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}
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