diff options
Diffstat (limited to 'drivers/dma/ti/k3-psil-priv.h')
| -rw-r--r-- | drivers/dma/ti/k3-psil-priv.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/dma/ti/k3-psil-priv.h b/drivers/dma/ti/k3-psil-priv.h new file mode 100644 index 000000000..b4b0fb359 --- /dev/null +++ b/drivers/dma/ti/k3-psil-priv.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com + */ + +#ifndef K3_PSIL_PRIV_H_ +#define K3_PSIL_PRIV_H_ + +#include <linux/dma/k3-psil.h> + +struct psil_ep { + u32 thread_id; + struct psil_endpoint_config ep_config; +}; + +/** + * struct psil_ep_map - PSI-L thread ID configuration maps + * @name: Name of the map, set it to the name of the SoC + * @src: Array of source PSI-L thread configurations + * @src_count: Number of entries in the src array + * @dst: Array of destination PSI-L thread configurations + * @dst_count: Number of entries in the dst array + * + * In case of symmetric configuration for a matching src/dst thread (for example + * 0x4400 and 0xc400) only the src configuration can be present. If no dst + * configuration found the code will look for (dst_thread_id & ~0x8000) to find + * the symmetric match. + */ +struct psil_ep_map { + char *name; + struct psil_ep *src; + int src_count; + struct psil_ep *dst; + int dst_count; +}; + +struct psil_endpoint_config *psil_get_ep_config(u32 thread_id); + +/* SoC PSI-L endpoint maps */ +extern struct psil_ep_map am654_ep_map; +extern struct psil_ep_map j721e_ep_map; +extern struct psil_ep_map j7200_ep_map; + +#endif /* K3_PSIL_PRIV_H_ */ |