From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- sound/pci/ctxfi/ctresource.h | 69 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 sound/pci/ctxfi/ctresource.h (limited to 'sound/pci/ctxfi/ctresource.h') diff --git a/sound/pci/ctxfi/ctresource.h b/sound/pci/ctxfi/ctresource.h new file mode 100644 index 000000000..58553bda4 --- /dev/null +++ b/sound/pci/ctxfi/ctresource.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. + * + * @File ctresource.h + * + * @Brief + * This file contains the definition of generic hardware resources for + * resource management. + * + * @Author Liu Chun + * @Date May 13 2008 + */ + +#ifndef CTRESOURCE_H +#define CTRESOURCE_H + +#include + +enum RSCTYP { + SRC, + SRCIMP, + AMIXER, + SUM, + DAIO, + NUM_RSCTYP /* This must be the last one and less than 16 */ +}; + +struct rsc_ops; + +struct rsc { + u32 idx:12; /* The index of a resource */ + u32 type:4; /* The type (RSCTYP) of a resource */ + u32 conj:12; /* Current conjugate index */ + u32 msr:4; /* The Master Sample Rate a resource working on */ + void *ctrl_blk; /* Chip specific control info block for a resource */ + struct hw *hw; /* Chip specific object for hardware access means */ + const struct rsc_ops *ops; /* Generic resource operations */ +}; + +struct rsc_ops { + void (*master)(struct rsc *rsc); /* Move to master resource */ + void (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ + int (*index)(const struct rsc *rsc); /* Return the index of resource */ + /* Return the output slot number */ + int (*output_slot)(const struct rsc *rsc); +}; + +int +rsc_init(struct rsc *rsc, u32 idx, enum RSCTYP type, u32 msr, struct hw *hw); +int rsc_uninit(struct rsc *rsc); + +struct rsc_mgr { + enum RSCTYP type; /* The type (RSCTYP) of resource to manage */ + unsigned int amount; /* The total amount of a kind of resource */ + unsigned int avail; /* The amount of currently available resources */ + unsigned char *rscs; /* The bit-map for resource allocation */ + void *ctrl_blk; /* Chip specific control info block */ + struct hw *hw; /* Chip specific object for hardware access */ +}; + +/* Resource management is based on bit-map mechanism */ +int rsc_mgr_init(struct rsc_mgr *mgr, enum RSCTYP type, + unsigned int amount, struct hw *hw); +int rsc_mgr_uninit(struct rsc_mgr *mgr); +int mgr_get_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int *ridx); +int mgr_put_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int idx); + +#endif /* CTRESOURCE_H */ -- cgit v1.2.3