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soc: qcom: spss_utils: add spss events support

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Add IOCTL for wait/signal spss events.

Change-Id: Ia8ad37a1632de21e6ae4e70013ca72b4b35c68ba
Signed-off-by: Amir Samuelov <amirs@codeaurora.org>
This commit is contained in:
Amir Samuelov 2020-05-11 12:53:28 +03:00 • committed by Gerrit - the friendly Code Review server
commit 09c2045118
2 changed files with 139 additions and 8 deletions
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29
include/uapi/linux/spss_utils.h
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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _UAPI_SPSS_UTILS_H_
@ -17,6 +17,8 @@
*/
#define SPSS_IOC_MAGIC 'S'
/* ---------- set fw cmac --------------------------------- */
#define NUM_SPU_UEFI_APPS 3
struct spss_ioc_set_fw_cmac {
@ -27,4 +29,29 @@ struct spss_ioc_set_fw_cmac {
#define SPSS_IOC_SET_FW_CMAC \
_IOWR(SPSS_IOC_MAGIC, 1, struct spss_ioc_set_fw_cmac)
/* ---------- wait for event ------------------------------ */
#define SPSS_NUM_EVENTS 8
#define EVENT_STATUS_SIGNALED 0xAAAA
#define EVENT_STATUS_TIMEOUT 0xEEE1
#define EVENT_STATUS_ABORTED 0xEEE2
struct spss_ioc_wait_for_event {
uint32_t event_id; /* input */
uint32_t timeout_sec; /* input */
uint32_t status; /* output */
} __packed;
#define SPSS_IOC_WAIT_FOR_EVENT \
_IOWR(SPSS_IOC_MAGIC, 2, struct spss_ioc_wait_for_event)
/* ---------- signal event ------------------------------ */
struct spss_ioc_signal_event {
uint32_t event_id; /* input */
uint32_t status; /* output */
} __packed;
#define SPSS_IOC_SIGNAL_EVENT \
_IOWR(SPSS_IOC_MAGIC, 3, struct spss_ioc_signal_event)
#endif /* _UAPI_SPSS_UTILS_H_ */