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msm: ipa3: Changes to support deepsleep

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Adding changes to support
1. Deepsleep entry time allowing calling exit registered callback.
2. Allow to re-register the client to notify IPA ready back.
3. Deepsleep exit time calling IPA ready callback.

Change-Id: Ia09eca461b41bdf13c7be69f832a5eaab27f9b59
Signed-off-by: Ashok Vuyyuru <quic_avuyyuru@quicinc.com>
This commit is contained in:
Ashok Vuyyuru 2022-01-13 11:23:21 +05:30 committed by Gerrit - the friendly Code Review server
parent b775cf70c7
commit bbce9d0d1c
2 changed files with 50 additions and 0 deletions
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34
drivers/platform/msm/ipa_fmwk/ipa_fmwk.c
View File

@ -623,6 +623,40 @@ bool ipa_is_ready(void)
}
EXPORT_SYMBOL(ipa_is_ready);
#ifdef CONFIG_DEEPSLEEP
int ipa_fmwk_deepsleep_entry_ipa(void)
{
if (!ipa_fmwk_ctx) {
pr_err("ipa framework hasn't been initialized yet\n");
return -EPERM;
}
mutex_lock(&ipa_fmwk_ctx->lock);
ipa_fmwk_ctx->ipa_ready = false;
mutex_unlock(&ipa_fmwk_ctx->lock);
pr_info("IPA driver is now in exit state\n");
return 0;
}
EXPORT_SYMBOL(ipa_fmwk_deepsleep_entry_ipa);
int ipa_fmwk_deepsleep_exit_ipa(void)
{
if (!ipa_fmwk_ctx) {
pr_err("ipa framework hasn't been initialized yet\n");
return -EPERM;
}
mutex_lock(&ipa_fmwk_ctx->lock);
ipa_trigger_ipa_ready_cbs();
ipa_fmwk_ctx->ipa_ready = true;
mutex_unlock(&ipa_fmwk_ctx->lock);
pr_info("IPA driver is now in ready state\n");
return 0;
}
EXPORT_SYMBOL(ipa_fmwk_deepsleep_exit_ipa);
#endif
int ipa_register_ipa_ready_cb(void(*ipa_ready_cb)(void *user_data),
void *user_data)
{

16
include/linux/ipa.h
View File

@ -1762,6 +1762,12 @@ bool ipa_is_ready(void);
void ipa_proxy_clk_vote(void);
void ipa_proxy_clk_unvote(void);
#ifdef CONFIG_DEEPSLEEP
int ipa_fmwk_deepsleep_entry_ipa(void);
int ipa_fmwk_deepsleep_exit_ipa(void);
#endif
enum ipa_hw_type ipa_get_hw_type(void);
const struct ipa_gsi_ep_config *ipa_get_gsi_ep_info(
@ -2165,6 +2171,16 @@ static inline bool ipa_is_ready(void)
return false;
}
static inline int ipa_fmwk_deepsleep_entry_ipa(void)
{
return -EPERM;
}
static inline int ipa_fmwk_deepsleep_exit_ipa(void)
{
return -EPERM;
}
static inline enum ipa_hw_type ipa_get_hw_type(void)
{
return IPA_HW_None;