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1/* SPDX-License-Identifier: GPL-2.0 */2/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */3 4#ifndef __CC_SRAM_MGR_H__5#define __CC_SRAM_MGR_H__6 7#ifndef CC_CC_SRAM_SIZE8#define CC_CC_SRAM_SIZE 40969#endif10 11struct cc_drvdata;12 13#define NULL_SRAM_ADDR ((u32)-1)14 15/**16 * cc_sram_mgr_init() - Initializes SRAM pool.17 * The first X bytes of SRAM are reserved for ROM usage, hence, pool18 * starts right after X bytes.19 *20 * @drvdata: Associated device driver context21 *22 * Return:23 * Zero for success, negative value otherwise.24 */25int cc_sram_mgr_init(struct cc_drvdata *drvdata);26 27/**28 * cc_sram_alloc() - Allocate buffer from SRAM pool.29 *30 * @drvdata: Associated device driver context31 * @size: The requested bytes to allocate32 *33 * Return:34 * Address offset in SRAM or NULL_SRAM_ADDR for failure.35 */36u32 cc_sram_alloc(struct cc_drvdata *drvdata, u32 size);37 38/**39 * cc_set_sram_desc() - Create const descriptors sequence to40 * set values in given array into SRAM.41 * Note: each const value can't exceed word size.42 *43 * @src: A pointer to array of words to set as consts.44 * @dst: The target SRAM buffer to set into45 * @nelement: The number of words in "src" array46 * @seq: A pointer to the given IN/OUT descriptor sequence47 * @seq_len: A pointer to the given IN/OUT sequence length48 */49void cc_set_sram_desc(const u32 *src, u32 dst, unsigned int nelement,50 struct cc_hw_desc *seq, unsigned int *seq_len);51 52#endif /*__CC_SRAM_MGR_H__*/53