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msm: camera: isp: Add support for SFE sys cache config

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Add support for using system cache for SFE WMs and RMs
in case of sHDR use-cases for power saving. Also add
debugfs capability to control this feature.

CRs-Fixed: 2841729
Change-Id: Ic4dad50e8c396705b33bb0bc8330d25e51ca79a2
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>
This commit is contained in:
Karthik Anantha Ram
2021-04-12 19:45:04 -07:00
parent 01c57a9a06
commit c369310c4a
18 changed files with 1203 additions and 40 deletions
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48
drivers/cam_cpas/include/cam_cpas_api.h
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@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
*/
#ifndef _CAM_CPAS_API_H_
@@ -210,6 +210,16 @@ enum cam_camnoc_irq_type {
CAM_CAMNOC_IRQ_AHB_TIMEOUT,
};
/**
* enum cam_sys_cache_config_types - Enum for camera llc's
*/
enum cam_sys_cache_config_types {
CAM_LLCC_SMALL_1 = 0,
CAM_LLCC_SMALL_2 = 1,
CAM_LLCC_MAX = 2,
};
/**
* struct cam_camnoc_irq_slave_err_data : Data for Slave error.
*
@@ -721,4 +731,40 @@ int cam_cpas_select_qos_settings(uint32_t selection_mask);
int cam_cpas_notify_event(const char *identifier_string,
int32_t identifier_value);
/**
* cam_cpas_get_scid()
*
* @brief: API to obtain slice id for the given type
*
* @type: Cache type
*
* @return slice id, -1 for invalid id.
*
*/
int cam_cpas_get_scid(enum cam_sys_cache_config_types type);
/**
* cam_cpas_activate_llcc()
*
* @brief: API to activate system cache
*
* @type: Cache type
*
* @return 0 for success.
*
*/
int cam_cpas_activate_llcc(enum cam_sys_cache_config_types type);
/**
* cam_cpas_deactivate_llcc()
*
* @brief: API to de-activate system cache
*
* @type: Cache type
*
* @return 0 for success.
*
*/
int cam_cpas_deactivate_llcc(enum cam_sys_cache_config_types type);
#endif /* _CAM_CPAS_API_H_ */