k3-cppi-desc-pool.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* TI K3 CPPI5 descriptors pool
 3 *
 4 * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
 5 */
 6
 7#ifndef K3_CPPI_DESC_POOL_H_
 8#define K3_CPPI_DESC_POOL_H_
 9
10#include <linux/device.h>
11#include <linux/types.h>
12
13struct k3_cppi_desc_pool;
14
15void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool);
16struct k3_cppi_desc_pool *
17k3_cppi_desc_pool_create_name(struct device *dev, size_t size,
18			      size_t desc_size,
19			      const char *name);
20#define k3_cppi_desc_pool_create(dev, size, desc_size) \
21		k3_cppi_desc_pool_create_name(dev, size, desc_size, NULL)
22dma_addr_t
23k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool, void *addr);
24void *
25k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma);
26void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool);
27void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr);
28size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool);
29size_t k3_cppi_desc_pool_desc_size(const struct k3_cppi_desc_pool *pool);
30void *k3_cppi_desc_pool_cpuaddr(const struct k3_cppi_desc_pool *pool);
31void k3_cppi_desc_pool_desc_info_set(struct k3_cppi_desc_pool *pool,
32				     int desc_idx, void *info);
33void *k3_cppi_desc_pool_desc_info(const struct k3_cppi_desc_pool *pool,
34				  int desc_idx);
35
36#endif /* K3_CPPI_DESC_POOL_H_ */